KR20140017046A - Apparatus for sorting led module bar - Google Patents

Abstract

The present invention relates to an LED module bar classification apparatus capable of automating inspection and classification of a plurality of LED module bars separated from an LED module substrate. The LED module bar classification apparatus according to the present invention is mounted on a substrate at regular intervals. An LED module bar classification apparatus for inspecting and classifying a plurality of LED module bars including a plurality of LED packages and a plurality of lenses coupled to the substrate to cover the LED packages, wherein the plurality of LED module bars are supplied with the plurality of LED module bars. An optical inspection unit which simultaneously inspects the module bars and generates inspection information including the lens position on the substrate; A classification unit which picks up a plurality of LED module bars inspected by the optical inspection unit and classifies the picked up LED module bars into a tray according to the classification information based on the inspection information; An empty tray stacking unit in which empty trays are stacked; A tray / bar transfer picker unit which picks up an empty tray from the empty tray stacking unit and supplies the empty tray to the sorting unit; And it is characterized in that it comprises a tray for discharge of good quality for receiving the tray with the good LED module bar is loaded from the sorting unit and discharged to the outside.

Description

LED module bar sorter {APPARATUS FOR SORTING LED MODULE BAR}

The present invention relates to an LED module bar manufacturing apparatus, and more particularly, to an apparatus capable of inspecting and classifying a plurality of LED module bars separated from a substrate for an LED module.

In general, a light emitting diode ("LED"), which converts an electrical signal into light using characteristics of a compound semiconductor, has a longer lifetime, lower driving voltage, and lower power consumption than other light emitting bodies. Has the advantage of excellent response speed and impact resistance as well as small size and light weight. The LED is not only used as a light source of a portable electronic device such as a mobile phone, but also widely used as a light source for lighting and a backlight unit of a liquid crystal display device. For example, an LED module bar having a plurality of LEDs mounted in a row on a surface of a bar circuit board is widely used in the backlight unit. The LED module bar is manufactured separately from the substrate for the LED module.

1 is a perspective view schematically showing a substrate for an LED module.

Referring to FIG. 1, the general LED module substrate 1 may include a plurality of LED module bars 20, a frame 10, and a plurality of LED module bars 20 disposed at regular intervals inside the frame 10. It is provided with a connecting portion 30 for connecting the LED module bar 20.

First, the LED module substrate 1 is a printed circuit board, and a plurality of LED module forming parts spaced apart at predetermined intervals by a predetermined slit, the plurality of LED module forming parts are connected to each other and the plurality of LED modules It is manufactured to include a connecting portion 30 for connecting the front and rear ends of each of the forming portion to the frame 10. Each of the plurality of LED module forming units is mounted with an LED package and a lens by an LED module manufacturing process, so that the LED module substrate 1 includes a plurality of LED module bars 20.

The edge frame 10 is formed in a rectangular shape to surround the plurality of LED module bars 20.

Each of the plurality of LED module bars 20 is disposed inside the frame 10 so that the LED module bars 20 are arranged side by side with a predetermined interval along the length direction of the frame 10. Each of the plurality of LED module bars 20 is provided with a plurality of LED packages (not shown) electrically connected in series or in parallel, and a plurality of lenses 22 covering each of the plurality of LED packages.

The connection portion 30 has a plurality of front and rear bridges 32, 34, and a plurality of side bridges 36.

Each of the plurality of front end bridges 32 connects the front end of the edge frame 10 and the front end of each of the LED module bars 20 to each other so that the front end of each of the plurality of LED module bars 20 is the edge frame 10. To be supported at the front end of the

Each of the plurality of rear end bridges 34 connects the rear end of the edge frame 10 and the rear end of each of the LED module bars 20 to each other so that the rear end of each of the plurality of LED module bars 20 is connected to the edge frame 10. To be supported at the rear end of the

Each of the plurality of side bridges 36 is formed to have a predetermined interval to connect the sides of each of the plurality of LED module bars 20 with each other, and also border the LED module bars 20 adjacent to the side of the frame 10. By connecting to the side of the frame 10, each of the plurality of LED module bars 20 are spaced at predetermined intervals.

As described above, each of the plurality of LED module bars 20 is separated from the LED module substrate 1 and used as a light source. In this case, the process of separating each of the plurality of LED module bars 20 from the LED module substrate 1 may be performed in a substrate cutting device (or routing device).

In the conventional substrate cutting apparatus, as shown in FIG. 2, a bit is inserted into a space between the LED module bars 20 by using a routing bit 50 mounted on a spindle motor (not shown). Thereafter, the plurality of LED module bars 20 are separated from the LED module substrate 1 by cutting the connection part 30 by moving the routing bit 50.

In the above-described conventional substrate cutting device, since the connection part 30 is cut using the routing bit 50, a large amount of processing residue is scattered during cutting, and thus, the processed residue is scattered into the lens 22 and the LED package. It can penetrate and cause the LED package to fail.

Therefore, according to the inspection and inspection result of the plurality of LED module bars 20 separated from the LED module substrate 1 by the conventional substrate cutting device, it is possible to automatically classify the good LED module bar and the defective LED module bar. An apparatus is required.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and it is an object of the present invention to provide an LED module bar classification apparatus capable of automating inspection and classification of a plurality of LED module bars separated from an LED module substrate.

LED module bar classification apparatus according to the present invention for achieving the above object is a plurality of LED modules including a plurality of LED packages mounted on a substrate at regular intervals and a plurality of lenses coupled to the substrate to cover the LED package. An LED module bar classification apparatus for inspecting and classifying a bar, the apparatus comprising: an optical inspection unit configured to receive the plurality of LED module bars and simultaneously inspect the plurality of LED module bars to generate inspection information including a lens position on the substrate; A classification unit which picks up a plurality of LED module bars inspected by the optical inspection unit and classifies the picked up LED module bars into a tray according to the classification information based on the inspection information; An empty tray stacking unit in which empty trays are stacked; A tray / bar transfer picker unit which picks up an empty tray from the empty tray stacking unit and supplies the empty tray to the sorting unit; And it is characterized in that it comprises a tray for discharge of good quality for receiving the tray with the good LED module bar is loaded from the sorting unit and discharged to the outside.

The inspection information may include a lens position on the substrate and whether the lens is tilted or not.

The optical inspection unit generates inspection information on each of the front, first and second long sides of each of the LED module bars.

The optical inspection unit includes a test frame including a plurality of rotating bars for supporting each of the plurality of LED module bars; A module bar rotation module configured to rotate the plurality of rotation bars such that the front, first and second long sides of each of the plurality of LED module bars face upward; Frame conveying means for linearly moving the inspection frame; And a plurality of optical inspection units for imaging the plurality of LED module bars moved in the linear motion of the inspection frame to generate inspection information for each of the plurality of LED module bars.

A plurality of LED module bars are disposed in the inspection area of each of the plurality of optical inspection units.

The classification unit classifies the good LED module bar and the bad LED module bar from the plurality of LED module bars according to the classification information based on the inspection information, and loads them on different trays.

The plurality of LED module bars are divided into first and second groups, and the classification unit classifies the LED module bars of the first group and the LED module bars of the second group into a pair.

The sorting unit may include at least one article stacking unit on which a tray for a stack for stacking a stack of LED module modules is mounted; A reclassification stacking unit on which a reclassifying tray for loading a defective LED module bar and a good LED module bar is mounted; A module sorting picker unit for simultaneously picking up a plurality of LED module bars in the optical inspection unit and classifying the picked up plurality of LED module bars into the good goods stacking unit and the reclassification stacking unit according to the classification information; And a good quality tray transport picker unit for picking up a good quality tray on which all good LED module bars are loaded in the good quality stacking unit and supplying the good quality tray.

The good quality tray transport picker unit picks up the good quality tray from the good value stacking unit, and sets the picked good quality tray vertically and transfers it to the good quality tray discharge unit.

The non-defective tray discharge unit rotates the direction of the non-defective tray supplied from the non-defective tray transfer picker unit by horizontally 90 degrees, and discharges it to the outside.

LED module bar sorting apparatus according to the present invention for achieving the above object is a dump tray stacking unit stacking a plurality of dummy good-quality trays stacked only the good quality LED module bar reclassified in the reclassification stacking unit; And a defective goods stacking unit in which only a defective LED module bar is stacked and a plurality of reclassifying trays seated on the reclassification stacking unit are stacked. The tray / bar transport picker unit is mounted on the reclassification stacking unit. Picking up the good LED module bar from the reclassification tray, and loads it on the dummy good quality tray, and picks up the reclassification tray seated on the reclassification stacking unit and loads it on the defective product stacking unit.

LED module bar classification apparatus according to the present invention for achieving the above object is a defective product stacking unit is stacked a plurality of trays for defectives loaded only defective LED module bar reclassified in the reclassification stacking unit; And a dump tray stacking unit in which only a good LED module bar is stacked and a plurality of reclassification trays seated on the reclassification stacking unit are stacked, and the tray / bar transport picker unit rests on the reclassification stacking unit. Picking up the defective LED module bar from the reclassified tray and loading it into the tray for defective products, and picking up the reclassifying tray seated on the reclassification stacking unit and loading it on the dump tray stacking unit.

The tray / bar transport picker unit detects a first direction of the tray or a second direction different from the first direction, and is stacked up and down in each of the defective article stacking unit and the dump tray stacking unit based on the detected tray direction. The trays are stacked in the first direction and the second direction.

According to the above solution, the LED module bar classification apparatus according to the present invention generates classification information by sequentially inspecting each of the front, first and second long sides of each of the plurality of LED module bars through the optical inspection unit, According to the classification information, by dividing the plurality of LED module bars into good and defective parts in different trays, it is possible to automate inspection and classification of the plurality of LED module bars.

1 is a perspective view schematically showing a substrate for an LED module;
FIG. 2 is a perspective view schematically showing a cutting method of the substrate for an LED module shown in FIG. 1; FIG.
3 is a plan view showing the LED module bar classification apparatus according to an embodiment of the present invention;
4 is a perspective view showing a LED module bar classification apparatus according to an embodiment of the present invention;
5 is a rear perspective view showing the LED module bar sorting apparatus according to an embodiment of the present invention;
6 is a perspective view illustrating the optical inspection unit illustrated in FIGS. 3 to 5;
FIG. 7 is a plan view illustrating the LED module bars of the first and second groups seated on the optical inspection unit shown in FIG. 6; FIG.
FIG. 8 is a side view showing the side of the LED module bars of the first and second groups shown in FIG. 7; FIG.
9 is a perspective view for explaining the module classification picker unit shown in FIGS. 3 to 5;
FIG. 10 is an enlarged perspective view of a portion A shown in FIG. 9; FIG.
FIG. 11 is a rear perspective view of the module bar picker unit shown in FIG. 10; FIG.
12 is a perspective view for explaining a tray feed picker portion for the goods shown in FIGS.
FIG. 13 is a view for explaining a tray picker module shown in FIG. 12; FIG.
14 is a perspective view for explaining the tray / bar transport picker portion shown in FIGS. 3 to 5;
FIG. 15 is a view for explaining a tray / bar picker module shown in FIG. 14; FIG. And
FIG. 16 is a perspective view illustrating a tray for discharging goods for goods shown in FIGS. 3 to 5.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

3 is a plan view illustrating an LED module bar classification apparatus according to an embodiment of the present invention, FIG. 4 is a plan perspective view illustrating an LED module bar classification apparatus according to an embodiment of the present invention, and FIG. 5 is an embodiment of the present disclosure. Rear perspective view showing the LED module bar sorting device according to the present invention.

3 to 5, the LED module bar classification apparatus according to the embodiment of the present invention is installed in the base frame 100 and the base frame 100 to receive a plurality of LED module bars from the outside to receive the plurality of LED module bars. Sorting unit 300, bin to classify the good LED module bar and defective LED module bar according to the classification information according to the inspection result of the optical inspection unit 200, the optical inspection unit 200 to inspect at the same time and to load the tray (T) (T) An empty tray stacking unit 400 in which an empty tray is stacked, a tray / bar transport picker unit 500 for picking up an empty tray from the empty tray stacking unit 400 and supplying the empty trays to the sorting unit 300, and sorting. It is configured to include a supply tray discharge unit 600 for receiving a tray loaded with the good LED module bar is loaded from the unit 300 to the outside.

The plurality of LED module bars are picked up by a substrate cutting device (see a prior art description) by a module bar picker module (not shown) and supplied to the optical inspection unit 200. In this case, the module bar picker module adjusts the interval between the plurality of LED module bars picked up to a predetermined interval and then seats the optical inspection unit 200. Here, the interval between the plurality of LED module bars supplied to the optical inspection unit 200 may have a constant interval, in this case, the area of the optical inspection unit 200 increases, the number of vision units for simultaneously inspecting the plurality of LED module bars May increase. Accordingly, the module bar picker module adjusts the interval between the plurality of LED module bars picked up at intervals set to minimize the area of the optical inspection unit 200 and the number of vision units. Here, the plurality of LED module bars may be divided into first and second groups based on half and supplied to the optical inspection unit 200. In the following description, it is assumed that each of the first and second groups includes eight LED module bars.

The optical inspection unit 100 is installed on the first base plate 102 installed on one side of the base frame 100. The optical inspection unit 100 supports a plurality of LED module bars supplied from the module bar picker module, and simultaneously transfers the supported plurality of LED module bars to the front and first surfaces of each of the plurality of LED module bars through the plurality of vision units. Examine each of the long side (or left side) and the second long side (or right side) sequentially to generate inspection information for each of the plurality of LED module bars, and generate classification information for each of the plurality of LED module bars according to the inspection information. do.

The sorting unit 300 is installed on the second base plate 104 installed in the rear end region of the base frame 100 so as to be adjacent to one side of the optical inspection unit 100. The sorting unit 300 picks up a plurality of LED module bars inspected by the optical inspecting unit 200, sorts the plurality of LED module bars picked up according to the sorting information, and loads them on the tray. To this end, the sorting unit 300 includes a module sorting picker unit 310, first and second good goods stacking units 320 and 330, a reclassification stacking unit 340, and a good quality tray transport picker unit 350. It is configured to include.

The module sorting picker unit 310 is installed on the second base plate 104 to be transportable in the X-axis direction. The module sorting picker unit 310 picks up a plurality of LED module bars inspected by the optical inspection unit 100 and first and second goods loading units 320 and 330 according to the sorting information. And the reclassification stacking unit 340.

The first goods loading part 320 is installed on the second base plate 104 to be adjacent to the optical inspection part 200 to load the goods LED module bar classified by the module sorting picker part 310. To this end, the first article loading unit 320 includes a pair of table transfer guiders 321 and 322, a tray support table 323, a table transfer means 324, and a rotation motor 325.

The pair of table transfer guiders 321 and 322 are installed side by side in the Y-axis direction on the second base plate 104 to support the tray support table 321 so as to be transportable.

The tray support table 323 is installed to be transported to a pair of table transfer guiders 321 and 322 to support an empty tray supplied to the pucker module unit 500. The tray support table 323 is provided with a tray alignment unit for aligning the positions of the empty trays. The tray alignment unit aligns the positions of the empty trays by sliding the empty trays seated on the tray support table 323 in the X-axis and Y-axis directions. Hereinafter, an empty tray supported by the tray support table 323 of the first goods loading unit 320 will be defined as an empty goods tray.

The table transfer means 324 is installed between the pair of table transfer guiders 321 and 322 and coupled to the lower portion of the tray support table 323. The table transfer means 324 may include a ball screw to linearly move the tray support table 323 in the Y-axis direction according to the rotational motion of the rotary motor 325.

The rotary motor 325 rotates the table transfer means 324 to cause the tray support table 323 to linearly move in the ± Y-axis direction according to the forward and reverse rotation of the table transfer means 324.

In the above-mentioned first article stacking unit 320, when all the LED LED module bars are stacked in all the loading areas of the empty article tray to become a full article tray, the full article tray is a good article tray transfer picker unit 350. Is picked up and transferred to the tray for discharging goods 600. At this time, when the full good quality tray is picked up by the good quality tray transport picker 350 and ascended to a predetermined height, the tray support table 323 of the first good quality loading part 320 is driven by the rotary motor 325. In accordance with the rotational movement of the table conveying means 324 according to the conveyed toward the empty tray stacking unit 400 is provided with a new empty good quality tray is returned to its original position.

The second goods stacking unit 330 is installed on the second base plate 104 to be parallel to the first goods stacking unit 320 described above and supplies a goods LED module bar classified by the module sorting picker unit 310. Load it. The second article stacking unit 330 is a pair of table transfer guiders 321 and 322, the tray support table 323, and the table transfer unit 324 in the same manner as the first article stacking unit 320 described above. And, since it comprises a rotary motor 325 will not be repeated description thereof. Hereinafter, an empty tray supported by the tray support table 323 of the second article stacking unit 330 will be defined as an empty article tray.

When all of the LED LED module bars are loaded in all the loading areas of the empty goods tray in the second goods stacking unit 330 to become a full goods tray, the full goods tray is transferred to the goods feed tray transport picker unit 350. It is picked up and transferred to the tray for discharging goods 600. At this time, when the full good quality tray is picked up by the good quality tray transport picker 350 and ascended to a predetermined height, the tray support table 323 of the second good quality loading part 330 drives the rotating motor 325. In accordance with the rotational movement of the table conveying means 324 according to the conveyed toward the empty tray stacking unit 400 is provided with a new empty good quality tray is returned to its original position.

The reclassification stacker 340 is installed on the second base plate 104 to be parallel to the second good load stacker 330 described above, and is supplied in pairs for reclassification from the module sorting picker unit 310. Load the good LED module bar and the bad LED module bar or the bad LED module bar. The reclassification stacker 340 is a pair of table feed guiders 321 and 322, a tray support table 323, a table feed means 324, similarly to the above-mentioned first article stacker 320. And since the rotation motor 325 is configured to include a duplicate description thereof will be omitted. Hereinafter, an empty tray supported by the tray support table 323 of the reclassification stacking unit 340 will be defined as an empty reclassification tray.

The good quality tray transport picker unit 350 is installed on the second base plate 104 to cross over the first and second good quality stacking units 320 and 330 and the reclassification stacking unit 340. The non-defective tray transfer picker unit 350 picks up a full-defective tray for which a good LED module bar is loaded from each of the first and second good stock stacking units 320 and 330, that is, the filled full good stock tray. Transfer to the discharge unit (400).

Specifically, the good quality tray transport picker unit 350 picks up a full good quality tray, raises the picked up full good quality tray to a predetermined height, and then transfers it onto the good quality tray discharge unit 400. Then, the pick-up full good quality tray is seated on the good quality tray discharge unit 400. Then, the non-defective tray transfer picker unit 350 is transferred to the first or second non-defective stacking unit 320 and 330 so as not to interfere with the transfer of the module sorting picker unit 310.

In the above-described sorting unit 300, the plurality of LED module bars picked up by the module sorting picker unit 310 are divided into first and second groups based on half, and according to the sorting information. Each of the LED module bars and the second group of LED module bars should be stacked on the good load stacking unit 320 or 330 or the reclassification stacking unit 340. That is, since the LED module bar of the first group is connected to the external LED driving circuit, the LED module bar of the second group is connected to the LED module bar of the first group, so that one empty good quality tray has a first A first group loading area in which a group of LED module bars are loaded and a second group loading area in which a second group of LED module bars are loaded are provided, and such one empty good quality tray has a first group of LED module bars and a second group. LED module bars should be loaded in equal numbers.

In the first classification method of the classification unit 300 according to the classification information, when the LED module bars of the first group and the LED module bars of the second group are both good products, the module classification picker unit 310 may include the first The LED module bars of the group and the LED module bars of the second group are loaded into empty bin trays in the first or second goods stack 320, 330.

In the second classification method of the classification unit 300 according to the classification information, when both the LED module bars of the first group and the LED module bars of the second group are defective LED modules, the module classification picker unit 310 may The first group of LED module bars and the second group of LED module bars are loaded into an empty reclassifying tray in the reclassification stacking unit 340. In this case, the empty reclassification tray is also provided with a first group loading area in which the LED module bars of the first group are loaded and a second group loading area in which the LED module bars of the second group are loaded.

In the third classification method of the classification unit 300 according to the classification information, when a bad LED module bar exists in the first group or the second group, the module classification picker unit 310 is coupled to the bad LED module bar. Load the good LED module bar together in the empty reclassification tray in the reclassification stack 340, and the remaining good LED light modules bars in the first or second good stack 320, 330 Load together.

As an example, when the first LED module bar of the first group is good, and the first LED module bar of the second group is also good, the module sorting picker unit 310 may replace the first LED module bar of the first group with an empty good tray. The first LED module bar of the second group is loaded into the second group first loading area of the empty good tray at the same time as the first group loading area of the first group.

As another example, when the second LED module bar of the first group is defective and the second LED module bar of the second group is also defective, the module sorting picker unit 310 may empty the second LED module bar of the first group. The second LED module bar of the second group is loaded in the second group second loading area of the empty reclassifying tray at the same time as the first group of second loading area.

As another example, when the third LED module bar of the first group is defective, and the third LED module bar of the second group is good, the module sorting picker unit 310 uses the third LED module bar of the first group to empty the reclassification tray. And the third LED module bar of the second group is loaded into the second group third loading area of the empty reclassification tray.

Meanwhile, as described above, the module sorting picker unit 310 searches for empty spaces of the first and second group loading areas provided in the good quality tray without being paired with each other, and controls the first and second group of good quality LED module bars. Although it is possible to load in the first and second group loading areas of the good-quality trays, in this case it takes a long time to sort the LED module bar and the sorting efficiency may be lowered. However, when the plurality of LED module bars picked up by the module sorting picker unit 310 all have the same shape, there is no need to match the pairs as described above. do. In this case, only the defective LED module bar is loaded into the empty reclassifying tray.

The empty tray stacking unit 400 is installed on the third base plate 106 installed in the front end region of the base frame 100 so as to be adjacent to one side of the optical inspection unit 100. The empty tray stacking unit 400 is configured to include the first and second empty tray stacking units 410 and 420 disposed in front of each of the first and second article stacking units 320 and 330 described above.

The first empty tray stacking unit 410 is installed in front of the first shelf stacking unit 320 so as to be lifted between the pair of table transfer guiders 321 and 322 of the first stacking unit 320 described above. . The first empty tray stacker 410 lifts a plurality of empty trays stacked between a pair of table feed guiders 321 and 322 one by one so that the tray / bar transport picker unit 500 picks up the uppermost empty tray. Supply to the goods loading portion (320, 330). At this time, the plurality of empty trays stacked on the first empty tray stacking unit 410 are stacked in a zigzag form. That is, when a plurality of empty trays are stacked in the same form, jamming occurs between the trays, and thus vertically adjacent trays are stacked in different directions to prevent this.

The second empty tray stacking unit 420 is installed in front of the second shelf stacking unit 330 so as to be lifted and lowered between the pair of table transfer guiders 321 and 322 of the second stacking storage unit 330. The second empty tray stacker 420 lifts a plurality of empty trays stacked between a pair of table feed guiders 321 and 322 one by one so that the tray / bar transport picker unit 500 picks up the uppermost empty tray. Supply to the goods loading portion (320, 330). At this time, the plurality of empty trays stacked on the second empty tray stacking unit 420 are stacked in a zigzag form.

The tray / bar transport picker unit 500 picks up an empty tray from the first and second empty tray stacking units 410 and 420, and transfers the picked empty trays to the tray support table of the good storage stacking units 320 and 330 ( 323). For example, the tray / bar transport picker unit 500 picks up an empty tray from the first empty tray stacking unit 410 and raises the picked up empty tray by a predetermined height, and then the first good stacking unit 320. When the tray support table 323 is transferred to the first empty tray stacking unit 410, the picked empty tray is lowered and seated on the tray support table 323 of the first good stacking unit 320.

The non-defective tray discharge unit 600 receives a non-defective tray loaded with a non-defective LED module bar from the non-defective tray transfer picker unit 350 of the above-described sorting unit 300 and discharges the non-defective tray to the outside.

As described above, the LED module bar classification apparatus according to the embodiment of the present invention sequentially inspects the front surface, the first long side, and the second long side of each of the plurality of LED module bars through the above-described optical inspection unit 200 to classify the classification information. After generating and classifying the plurality of LED module bars inspected according to the classification information through the above-described classification unit 300 into a good quality tray and a reclassification tray, the good quality tray on which the good LED module bar is loaded is discharged to the outside. . Accordingly, the LED module bar sorting apparatus according to an embodiment of the present invention according to the inspection and inspection results of the plurality of LED module bars separated from the substrate for LED module 1 (see FIG. 1) by the substrate cutting device good quality LED module Bars and bad LED module bars can be sorted automatically.

LED module bar sorting apparatus according to an embodiment of the present invention described above, in order to reclassify the LED module bar loaded on the reclassification stacking unit 340 of the sorting unit 300, a dump tray stacking unit 700, And the defective goods loading unit 800 is configured to further include.

The defective goods stacking unit 700 is installed in front of the reclassification stacking unit 340 to be lifted between the pair of table transfer guiders 321 and 322 of the reclassification stacking unit 340 described above. The defective goods loading unit 700 supports the reclassification tray picked up and supplied from the reclassification stacking unit 340 by the tray / bar transport picker unit 500, and lowers the supported reclassification trays one by one. Let's do it. That is, the reclassification trays picked up and supplied by the reclassification stacking unit 340 are stacked on the defective article stacking unit 710, and stacked in a zigzag form so as to prevent jamming between the trays. As such, only the defective LED module bar is loaded on the reclassification tray located in the defective product loading unit 700.

The dump tray stacking unit 800 is installed to be liftable in front of the above-described tray for discharging goods 600. The dump tray stacking unit 800 is an empty tray (hereinafter, "empty tray for storing good quality LED module bar") picked up and supplied from the empty tray stacking unit 400 by the tray / bar transport picker unit 500. And the good LED module bar is lowered in all the loading areas of the empty good tray.

The tray / bar transfer picker unit 500 described above supports the tray of the reclassification stacker 340 when the tray support table 323 of the reclassification stacker 340 is transferred onto the dump tray stacker 700. The good LED module bar is transferred to the dump tray stacking unit 800 from the reclassifying tray seated on the table, and the reclassifying tray is seated on the defective stacking unit 700. The reclassification process of the LED module bars loaded on the reclassification tray will be described in detail as follows.

First, when the LED module bar including the defective LED module bar is loaded in all the loading areas of the reclassification tray seated on the tray support table of the reclassification stacking unit 340, the tray support table of the reclassification stacking unit 340 is It is transported onto the defective goods loading portion 700.

Subsequently, the tray / bar transfer picker unit 500 simultaneously picks up all the good LED module bars loaded in the reclassification tray and loads them into the empty good quality tray of the dump tray loading unit 800, and then the defective LED module. Only the bar picks up the remaining reclassification tray and raises it to a predetermined height.

Subsequently, when the reclassification tray is raised to a predetermined height from the tray support table of the reclassification stacker 340, the tray support table of the reclassification stacker 340 is transferred to the original position and returned to the module bar reclassification position. .

Subsequently, the tray / bar transfer picker unit 500 seats the picked-up reclassification tray on the defective product loading unit 700, and stacks the reclassification tray in a zigzag form so that the jamming between the trays does not occur. .

Subsequently, when the reclassification tray lowers the seated reclassification tray, and the reclassification tray in which only the defective LED module bar remains is lowered, the tray support table of the reclassification loading unit 340 is a defective loading unit. Is transferred onto 700.

Finally, the tray / bar transfer picker unit 500 picks up the empty tray from the empty tray stacking unit 400 and seats the tray on the tray support table of the reclassification stacking unit 340, and the empty tray is a reclassifying tray. As a result, the tray support table of the reclassification stacking unit 340 seated is moved back to the original position and returned to the module bar reclassification position.

When the reclassification process of the LED module bar stacked in the above-described reclassification tray is repeated, the reclassification trays in which the bad LED module is loaded but not all are stacked are stacked in the defective product loading unit 700, and the dump The tray stacking unit 800 is stacked with a good quality trays loaded with a good LED module. When the reclassification trays are stacked in the defective goods stacking unit 700 by a set number, the reclassifying trays stacked on the defective goods stacking unit 700 are discharged to the outside by the worker. Similarly, when a number of good quality trays are stacked in the dump tray stacking unit 800, the good quality trays stacked on the dump tray stacking unit 800 are discharged to the outside by an operator.

On the other hand, the positions of the defective goods loading unit 700 and the dump tray stacking unit 800 described above may be interchanged. In this case, the tray / bar transport picker unit 500 picks up a defective LED module bar from the dump tray stacking unit 800 located in front of the reclassification stacking unit 340 and moves the front of the tray for discharge of goods 600. It is to be loaded in the tray for empty defective goods that are seated on the defective goods loading portion 700 located in.

On the other hand, when the plurality of LED module bars inspected by the above-described optical inspection unit 200 all have the same shape, only the defective LED module bar is loaded on the reclassification tray. Accordingly, the tray / bar transfer picker unit 500 simultaneously picks up a defective LED module bar from a reclassification tray and transfers the defective LED module bar to the defective article stacking unit 800, and supplies an empty tray to the defective article stacking unit 800. Only the operation to perform. In such a case, the aforementioned dump tray stacker 700 is omitted, and a new bin reclassification tray is not supplied to the tray support table of the reclassification stacker 340, and the reclassification supported on the support table is not provided. The tray is used continuously.

FIG. 6 is a perspective view illustrating the optical inspection unit illustrated in FIGS. 3 to 5.

3 to 6, the optical inspection unit 200 includes an inspection frame 210, a module bar rotation module 220, a frame transfer unit 230, a plurality of optical inspection units 240, and an inspection unit lift. And means 250.

The inspection frame 210 vacuum-adsorbs and supports a plurality of LED module bars supplied from a module bar picker module (not shown) that moves between an external substrate cutting device. To this end, the inspection frame 210 is formed in the form of a box to have a top opening, and comprises a plurality of rotating bars 212 installed to cross the top opening.

Each of the plurality of rotation bars 212 is rotatably installed on both side walls of the inspection frame. On the upper surface of each of the plurality of rotary bars 212, a plurality of vacuum suction pads are formed to have a predetermined interval. Each of the plurality of vacuum adsorption pads fixes the LED module bar to the top surface of the rotation bar 212 by vacuum adsorption on the bottom surface of the LED module bar using a vacuum suction force.

The plurality of rotation bars 212 may be disposed to have an interval corresponding to an inspection area of each of the plurality of optical inspection units 240. That is, since one optical inspection unit 240 has a predetermined inspection area, the plurality of rotation bars 212 are arranged to have a set interval to overlap each of the plurality of optical inspection units 240. For example, three rotation bars may be adjacent to the inspection area of one optical inspection unit 240. In this case, the three rotating bars are disposed adjacent to each other to form one inspection group, and each inspection group is spaced to correspond to the interval of the plurality of optical inspection units 240.

As shown in FIGS. 7 and 8, the plurality of LED module bars vacuum-adsorbed to the plurality of rotation bars 212 disposed to have the intervals as described above, the first and second groups (half-based) 20L, 20R). For example, each of the first and second groups 20L and 20R may include eight LED module bars ① to ⑧.

In each of the first and second groups 20L and 20R, the first and second LED module bars ① and ② are disposed adjacently to have a first distance D1, and the third LED module bar ③ ) Is spaced apart from the second LED module bar ② by the second interval D2, and the third to fifth LED module bars ③, ④, and ⑤ are adjacently disposed to have the first interval D1. , The sixth LED module bar (⑥) is spaced apart from the fifth LED module bar (⑤) by a second interval (D2), the sixth to eighth LED module bars (⑥, ⑦, ⑧) is the first interval (D1) Are arranged adjacent to each other.

Each of the LED module bars 20 of each of the first and second groups 20L and 20R includes an LED package 21 mounted on a front surface of a printed circuit board (PCB) at regular intervals d, and an LED package 21. It includes a lens 22 coupled to the printed circuit board (PCB) so as to cover the lens 22, the lens 22 is an adhesive member 23, such as adhesive so as to be spaced apart from the upper surface of the printed circuit board (PCB) by a predetermined height (h) It is coupled to the upper surface of the printed circuit board (PCB) through).

The first to eighth LED module bars (① to ⑧) disposed in the first group 20L are formed at the front end and connected to the external LED driving circuit 24a, and are formed at the rear end, And a first bar connecting connector 24b connected to the LED module bars 20 arranged in the two groups 20R.

The first to eighth LED module bars ① to ⑧ disposed in the second group 20R are formed at the front end and the bar connection connector 24b of the LED module bar 20 disposed in the first group 20L. It comprises a second bar connection connector 24c connected to.

The module bar rotation module 220 rotates each of the plurality of rotation bars 212 at a time by a predetermined angle. For example, the module bar rotation module 220 may include a bar rotation means 222, a bar support means 224, a shaft 226, and a drive motor 228.

Bar rotation means 222 is installed on one side of the inspection frame 210 to rotate in common to one side of each of the plurality of rotation bar 212 in accordance with the rotation of the drive motor. To this end, the bar rotating means 222 includes a plurality of pulleys coupled to one side of each of the plurality of rotating bars 212, a plurality of belts spanned between the plurality of pulleys to simultaneously rotate the plurality of pulleys in the same direction. It is composed.

Bar support means 222 is installed on the other side of the inspection frame 210 to rotate the other side of each of the plurality of rotary bars 212 in accordance with the rotation of the drive motor. To this end, the bar rotating means 222 includes a plurality of pulleys coupled to the other side of each of the plurality of rotating bars 212, a plurality of belts spanned between the plurality of pulleys to simultaneously rotate the plurality of pulleys in the same direction. It is composed.

The shaft 226 is installed to cross one side and the other side of the inspection frame 210 to transmit the rotation of the drive motor 228 to the bar rotation means 222 and the bar support means 224. At this time, the rotational movement of the shaft 226 may be transmitted to the bar rotation means 222 and the bar support means 224 through the rotation transmission belt.

On the other hand, the module bar rotation module 220 has been described as including a plurality of belts, but is not limited to this, each of the plurality of rotation bar 212 at the same time by using a gear, chain, or rack and pinion method Can be rotated by angle.

A driving motor 228 is installed on one side of the inspection frame 210 to rotate the shaft 226 to rotate the bar rotating means 222 and the bar supporting means 224, respectively, to thereby rotate the plurality of rotating bars 212. Rotate simultaneously in the same direction. For example, in inspecting the first long side of the LED module bar, each of the plurality of rotating bars 212 is rotated 90 degrees in the forward direction. In addition, during the inspection of the second long side of the LED module bar, each of the plurality of rotating bars 212 is rotated in the reverse direction by 180 degrees while being rotated 90 degrees in the forward direction.

The frame transfer means 230 is installed on the first base plate 102 to linearly move the inspection frame 210 described above in the Y-axis direction. To this end, the frame conveying means 230 includes a pair of conveying guide rails 231 and 232, a conveying frame 233, and a frame conveying motor 234.

The pair of transfer guide rails 231 and 232 are installed side by side in the Y-axis direction on the first base plate 102 to guide the transfer in the Y-axis direction of the inspection frame 210 described above.

The conveying frame 233 is disposed on the pair of conveying guide rails 231 and 232 to convey in the Y-axis direction of the inspection frame 210 according to the rotational movement of the frame conveying motor 234. The transfer frame 233 may include a ball screw coupled to the lower surface of the inspection frame 210.

The frame feeding motor 234 is installed at the rear of the conveying frame 233 to rotate the ball screw installed in the conveying frame 233 so that the inspection frame 210 is linear in the Y-axis direction according to the rotational motion of the ball screw. Reciprocate.

Each of the plurality of optical inspection units 240 is installed on the inspection frame 210 to capture a plurality of LED module bars to be transferred in the Y-axis direction according to the driving of the frame transfer means 230, and the captured image It is provided to an inspection unit (not shown). In this case, one optical inspection unit 240 may image three LED module bars passing through the focusing area. Each of the plurality of optical inspection units 240 may include a scan camera, a line camera, or an image sensor.

The inspection unit lifting means 250 is installed on the inspection table 210 to support and lift the plurality of optical inspection units 240. To this end, the inspection unit lifting means 250 is configured to include a pair of vertical supports 251, 252, horizontal support 253, lifting frame 254, and frame lifting means 255.

The pair of vertical supports 251 and 252 are vertically installed on the first base plate 102 with the examination table 210 interposed therebetween.

The horizontal support 253 is installed between the pair of vertical supports 251 and 252 to support the lifting frame 254.

The lifting frame 254 is installed on the horizontal support 253 to be liftable to support the plurality of optical inspection units 240. The lifting frame 254 is raised and lowered according to the driving of the frame lifting means 255 to adjust the focusing of each of the plurality of optical inspection units 240 by simultaneously lifting each of the plurality of optical inspection units 240.

The frame lifting means 255 is installed on the horizontal support 253 to raise and lower the lifting frame 254. To this end, the frame lifting means 255 may be composed of a frame lifting ball screw for lifting up and down the lifting frame 254, and a frame lifting motor for rotating the frame lifting ball screw. Accordingly, the frame elevating means 255 elevates the elevating frame 254 through the rotational movement of the frame elevating ball screw by rotating the frame elevating ball screw according to the drive of the elevating motor.

Referring to the inspection process of the LED module bar using the optical inspection unit 200 as follows.

First, when the LED module bar is seated on each rotating bar 212 of the inspection frame 210, by vacuum generating the suction force on the vacuum suction pad of each rotating bar 212, the LED module bar is vacuum-adsorbed to each rotating bar 212. .

Subsequently, the frame conveying motor 234 of the frame conveying means 230 is rotated in the reverse direction, thereby linearly conveying the inspecting frame 210 in the -Y axis direction, and through the plurality of optical inspecting units 240. An image of the front surface of the LED module bar is generated to generate a front captured image, and the generated front captured image is provided to the image inspection unit. Accordingly, the image inspection unit, the position of the lens 22 coupled to the printed circuit board (PCB), the spacing (h) between the lenses 22, between the lens 22 and the LED package in the front image of each LED module bar Front inspection information including the presence or absence of foreign substances such as dust is generated in the air.

Subsequently, each of the plurality of rotating bars 212 is rotated 90 degrees in the forward direction by driving the module bar rotating module 220 to face the first long side of the plurality of LED module bars 20.

Subsequently, the frame conveying motor 234 of the frame conveying means 230 is rotated in the forward direction, thereby linearly conveying the inspecting frame 210 in the + Y-axis direction, and a plurality of optical inspecting units 240 through the plurality of optical inspecting units 240. The first long side captured image is generated by imaging the first long side of the LED module bar, and the generated first long side captured image is provided to the image inspection unit. Accordingly, the image inspection unit is a lens based on the center of the lens 22 and the distance h between the lower surface of the lens 22 and the upper surface of the PCB in the first long-side captured image of each LED module bar. The first long side inspection information including the presence or absence of the tilt in (22) is generated.

Subsequently, the second long side of the plurality of LED module bars 20 is turned upward by driving the module bar rotating module 220 to rotate each of the plurality of rotating bars 212 in the reverse direction of 180 degrees.

Finally, the frame conveying motor 234 of the frame conveying means 230 is rotated in the reverse direction, and the plurality of optical inspection units 240 through the plurality of optical inspection unit 240 while linearly conveying the inspection frame 210 in the -Y axis direction. Photographing the second long side of the LED module bar of to generate a second long side captured image, and providing the generated second long side captured image to an image inspecting unit. Accordingly, the image inspecting unit is a lens based on the center of the lens 22 and the distance h between the lower surface of the lens 22 and the upper surface of the PCB in the second long-side captured image of each LED module bar. The second long side inspection information including the presence or absence of the tilt in (22) is generated. In addition, the image inspection unit analyzes the front inspection information and the first and second long side inspection information for each of the plurality of LED module bars to determine whether each of the plurality of LED module bars is good or defective, and accordingly, Generates classification information for each of the LED module bar to provide to the control unit (not shown). The controller controls a classification operation of the classification unit 300 according to the classification information.

9 is a perspective view illustrating a module sorting picker unit illustrated in FIGS. 3 to 5, FIG. 10 is an enlarged perspective view of a portion A illustrated in FIG. 9, and FIG. 11 is a module bar picker unit illustrated in FIG. 10. It is a back perspective view which shows.

9 to 11, the module sorting picker unit 310 simultaneously picks up a plurality of LED module bars 20 inspected by each of the rotating bars 212 of the optical inspection unit 100 described above, The plurality of LED module bars are classified into the aforementioned first and second goods stacking units 320 and 330 and the reclassification stacking unit 340 according to the classification information. To this end, the module sorting picker unit 310 is configured to include a bar picker support means 312, bar picker lifting means 314, bar picker transport means 316, and sorting picker module 318.

The bar picker support means 312 is installed on the first second base plates 102 and 104 of the base frame 100, as shown in FIGS. 3 to 5, to transfer the bar picker lifting means 314. Support as much as possible. To this end, the bar picker support means 312 comprises a plurality of vertical support shafts 312a and a transfer guide shaft 312b.

The plurality of vertical support shafts 312a are vertically installed on the first second base plates 102 and 104 at regular intervals.

The transfer guide shaft 312b is installed to span the plurality of vertical support shafts 312a to guide the transfer of the bar picker lifting means 314 in the X-axis direction.

The bar picker elevating means 314 is installed on the transfer guide shaft 312b of the bar picker supporting means 312 and is moved in the X-axis direction according to the drive of the bar picker transferring means 316 and the sorting picker module 318 is provided. Lift up. To this end, the bar picker lifting means 314 comprises a picker module support block 314a and a block lifting means 314b.

The picker module support block 314a is installed to be transportable to the transfer guide shaft 312b to support the sorting picker module 318 in a liftable manner.

The block lifting means 314b is installed in the picker module support block 314a to elevate the sorting picker module 318. To this end, the block lifting means 314b is installed inside the picker module support block 314b to pick up the picker module lifting ball screw coupled to the sorting picker module 318, and the picker module lifting the picker module lifting ball screw. It comprises a lifting motor. The block elevating means 314b elevates the sorting picker module 318 according to the rotation of the ball screw by rotating the picker module elevating ball screw according to the driving of the picker module elevating motor.

The bar picker conveying means 316 is installed on the conveying guide shaft 312b of the bar picker supporting means 312 to linearly move the bar picker elevating means 314 in the X-axis direction. To this end, the bar picker conveying means 316 is installed inside the conveying guide shaft 312b for the block conveying ball screw, which is coupled to the picker module support block 314a, and for rotating the block conveying ball screw. It is configured to include a motor. The bar picker conveying means 316 rotates the ball screw for transporting the block in accordance with the driving of the block transport motor to transport the bar picker elevating means 314 in the X-axis direction in accordance with the rotation of the ball screw.

The classification picker module 318 is installed in the bar picker lifting means 314 and picks up a plurality of LED module bars 20 inspected by the optical inspection unit 100, and controls the controller based on the classification information described above. Accordingly, the plurality of LED module bars 20 picked up are classified into the above-described first and second goods stacking units 320 and 330 and the reclassification stacking unit 340. To this end, the sorting picker module 318 may include a finger lifting frame 1310, a finger support block 1320, a finger spacing adjusting unit 1330, a plurality of front fingers 1340, a plurality of rear fingers 1350, and It is configured to include a finger distance adjusting unit 1360.

The finger elevating frame 1310 is installed to be elevated on the picker module support block 314a of the bar picker elevating means 314 and is elevated according to the driving of the bar picker elevating means 314.

The finger support block 1320 is coupled to the lower surface of the finger lifting frame 1310 to support the finger gap adjusting unit 1330.

The finger gap adjusting unit 1330 is installed at the center of the lower surface of the finger support block 1320 to intersect the finger support block 1320. The finger spacing adjusting unit 1330 simultaneously transfers each of the plurality of front and rear fingers 1340 and the plurality of rear fingers 1350 at the same time so as to separate the space between the plurality of front fingers 1340 and the plurality of rear fingers 1350. Adjust To this end, the finger spacing adjusting unit 1330 includes a finger transfer guide frame 1331, a plurality of finger transfer plates 1333, a plurality of front finger support bars 1335, a plurality of rear finger support bars 1335, and It comprises a bar transport means (1339).

The finger transfer guide frame 1331 is installed on the bottom surface of the finger support block 1320 in the X-axis direction to guide the transfer of each of the plurality of front finger support bars 1333 and the plurality of rear finger support bars 1335. . To this end, first and second bar transfer guide rails for guiding the transfer of the plurality of front finger support bars 1333 and the plurality of rear finger support bars 1335 on both sides of the lower surface of the finger transfer guide frame 1331. 1332a and 1332b are provided.

Each of the plurality of finger transfer plates 1333 is installed to be transported between the first and second bar transfer guide rails 1332a and 1332b, so that a plurality of front finger support bars 1333 and a plurality of rear finger support bars 1335 are provided. Support each one. Each of the plurality of finger transfer plates 1333 is simultaneously moved in the X-axis direction according to the driving of the bar transfer means 1335 to thereby respectively connect the plurality of front finger support bars 1333 and the plurality of rear finger support bars 1335. At the same time, it moves in the X-axis direction.

Each of the plurality of shear finger support bars 1335 is installed on one side of each of the plurality of finger transfer plates 1333 so as to support the shear finger 1340.

Each of the plurality of rear finger support bars 1335 is installed on the other side of each of the plurality of finger transfer plates 1333 to support the rear finger 1350.

The bar transfer means 1333 is installed in the finger transfer guide frame 1331 to transfer each of the plurality of finger transfer plates 1333 in the X-axis direction. To this end, the bar transfer means 1333 may include a servo motor for simultaneously feeding each of the plurality of finger transfer plates 1333 in the X-axis direction.

Each of the plurality of front end fingers 1340 is installed side by side to have a predetermined distance to the above-described finger gap adjusting unit 1330, that is, a plurality of front end finger support bars 1335. Each of the plurality of front end fingers 1340 is provided with a vacuum pad for vacuum adsorption of the LED module bar 20. Each of the plurality of front end fingers 1340 picks up the front end of the front end of the LED module bar 20 by vacuum adsorption according to the vacuum adsorption force generated in the vacuum pad.

Each of the plurality of rear fingers 1350 is installed side by side to have a predetermined distance to the above-described finger gap adjusting unit 1330, that is, the plurality of rear finger support bars 1335. Each of the plurality of rear fingers 1350 is provided with a vacuum pad for vacuum suction of the LED module bar 20. Each of the plurality of rear end fingers 1350 picks up the front end of the rear end of the LED module bar by vacuum suction according to the vacuum suction force generated in the vacuum pad.

The finger distance adjusting unit 1360 is installed on the bottom surface of the finger support block 1320 to adjust the distance between the front finger 1340 and the rear finger 1350. That is, since the pick-up position may vary depending on the size of the LED module bar, the finger distance adjusting unit 1360 adjusts the pick-up position of each of the front finger 1340 and the rear finger 1350 according to the size of the LED module bar. Play a role. To this end, the finger distance adjusting unit 1360 is configured to include a front finger support member 1361, a front finger transfer means 1362, a rear finger support member 1363, and a rear finger transfer means 1344.

The front finger support member 1361 is installed to be transported to one side of the lower surface of the finger support block 1320 to support each of the plurality of front fingers 1340 in common and simultaneously Y of each of the plurality of front fingers 1340. Feed in the axial direction. To this end, the shear finger support member 1361 includes a shear rod 1361a and a shear rod support member 1361b.

The shear rod 1361a is installed to penetrate the above-described finger gap adjusting unit 1330, that is, each of the plurality of shear finger support bars 1335. The shear rod 1361a moves each of the plurality of shear finger support bars 1335 in the Y-axis direction according to the transfer of the shear rod support member 1361b to simultaneously move each of the plurality of shear fingers 1340 in the Y-axis direction. Transfer.

The shear rod support member 1361b is installed to be transportable on one side of the lower surface of the finger support block 1320 to be coupled to the shear finger transfer means 1362. The shear rod support member 1361b transfers the shear rod 1361a in the Y-axis direction by being transferred in the Y-axis direction according to the driving of the shear finger transfer means 1362.

The shear finger transfer means 1362 transfers the shear finger support member 1361 in the Y-axis direction. To this end, the shear finger conveying means 1362 is a shear finger conveying motor installed on one side of the finger support block 1320, and is installed inside the finger support block 1320 and the shear finger supporting member 1361 That is, it can be configured to include a ball screw for shear finger transfer coupled to the shear rod support member 1361b. Accordingly, the shear finger conveying means 1362 has a plurality of shears by linearly moving the shear finger supporting member 1361 in the Y-axis direction through the rotational movement of the shear finger conveying ball screw according to the driving of the shear finger conveying motor. Each finger 1340 is simultaneously moved in the Y-axis direction. As a result, each of the plurality of front end fingers 1340 is moved toward or away from each of the plurality of rear end fingers 1350 by being transferred in the Y-axis direction by the front finger transfer means 1362.

The rear finger support member 1363 is installed to be transported to the other side of the lower surface of the finger support block 1320 so as to support each of the plurality of rear fingers 1350 in common, thereby simultaneously Y for each of the plurality of rear fingers 1350. Feed in the axial direction. To this end, the trailing finger support member 1363 includes a trailing rod 1363a and a trailing rod supporting member 1363b.

The rear end rod 1363a is installed to penetrate the above-described finger gap adjusting unit 1330, that is, each of the plurality of rear end finger support bars 1335. The trailing rod 1363a moves each of the plurality of trailing finger support bars 1335 in the Y-axis direction according to the transfer of the trailing rod support member 1363b to simultaneously move each of the trailing fingers 1350 in the Y-axis direction. Transfer.

The rear end support member 1363b is installed to be transported to the other side of the lower surface of the finger support block 1320 to be coupled to the rear end finger transport means 1324. The rear end rod support member 1363b transfers the rear end rod 1363a in the Y-axis direction by being transferred in the Y-axis direction according to the driving of the rear end finger transfer means 1354.

The rear end finger conveying means 1344 transfers the rear end finger supporting member 1363 in the Y-axis direction. To this end, the rear end finger conveying means 1324 is a rear end finger conveying motor installed on the other side of the finger support block 1320, and the rear end finger supporting member 1363 installed in the finger support block 1320. That is, it may be configured to include a ball screw for feeding the rear end finger coupled to the rear rod support member (1363b). Accordingly, the rear end finger conveying means 1344 has a plurality of rear ends by linearly moving the rear end finger supporting member 1363 in the Y-axis direction through the rotational movement of the rear end finger conveying ball screw according to the driving of the rear end finger conveying motor. Each finger 1350 is simultaneously moved in the Y-axis direction. As a result, each of the plurality of trailing fingers 1350 is moved toward or away from each of the plurality of shear fingers 1340 by being transferred in the Y-axis direction by the trailing finger transfer means 1354.

The aforementioned distance between the front finger 1340 and the rear finger 1350 corresponds to the length of the LED module bar 20 to be picked up according to the driving of the front finger conveying means 1332 and the rear finger conveying means 1344 respectively. As symmetrically variable as possible.

FIG. 12 is a perspective view for explaining a tray feed picker unit for the goods shown in FIGS. 3 to 5, and FIG. 13 is a view for explaining the tray picker module illustrated in FIG. 12.

12 and 13, the non-defective tray transfer picker 350 may have a non-defective LED at each of the first and second non-defective stacking units 320 and 330 of the sorting unit 300, as described above. The module bar is loaded, that is, the full (good) tray full good goods are picked up and transferred to the good quality tray discharge unit 400. To this end, the good quality tray transport picker unit 350 is configured to include a tray picker support means 352, a tray picker lifting means 354, a tray picker transport means 356, and a tray picker module 358. .

The tray picker support means 352 is installed on the first second base plates 102 and 104 of the base frame 100 to transport the tray picker lifting means 354, as shown in FIGS. Support it if possible. To this end, the tray picker support means 352 comprises a plurality of pillars 352a and a transfer guide bar 352b.

The plurality of pillars 352a are vertically installed on the first second base plates 102 and 104 at regular intervals.

The transfer guide bar 352b is installed to span the plurality of pillars 352a to guide the transfer of the tray picker elevating means 354 in the X-axis direction.

The tray picker elevating means 354 is installed on the transfer guide bar 352b of the tray picker supporting means 352 to be transported in the X-axis direction according to the drive of the tray picker conveying means 356 and the tray picker module 358 is provided. Lift up. For this purpose, the tray picker elevating means 354 comprises a tray picker support block 354a and a tray picker elevating unit 354b.

The tray picker support block 354a is installed to be transported to the transfer guide bar 352b to guide the lifting of the tray picker module 358.

The tray picker elevating unit 354b is installed in the tray picker support block 354a to elevate the tray picker module 358. To this end, the tray picker elevating unit 354b is installed inside the tray picker support block 354b to rotate the tray picker elevating ball screw coupled to the tray picker module 358, and the tray picker elevating ball screw. It comprises a tray picker lifting motor. The tray picker elevating unit 354b elevates the tray picker module 358 in accordance with the rotation of the ball screw by rotating the ball picker elevating ball screw in accordance with the operation of the tray picker elevating motor.

The tray picker transfer means 356 is installed on the transfer guide bar 352b of the tray picker support means 352 to linearly move the tray picker lift means 354 in the X-axis direction. To this end, the tray picker conveying means 356 is installed inside the conveying guide bar 352b, and a tray picker conveying ball screw coupled to the tray picker support block 354a, and a tray picker conveying rotating the ball screw. It is configured to include a motor. The tray picker transporting means 356 rotates the tray picker transporting ball screw in accordance with the drive of the tray picker transporting motor to transport the tray picker lifting means 354 in the X-axis direction in accordance with the rotation of the ball screw.

The tray picker module 358 is installed on the tray picker elevating means 354, ie, the tray picker support block 354a, to be lifted up and down, so that the first and second goods stacking portions 320 and 330 of the sorting unit 300 are provided. Pick up the full good quality tray with the good LED module bar loaded, that is, filled in each, and picked up the full good quality tray according to the drive of the tray picker transfer means 356 Transfer to. To this end, the tray picker module 358 is a lifting bracket (3581), a tray picker rotation unit (3582), a gripper support frame (3583), the first and second grippers (3584, 3585), the gripper gap adjustment And a unit 3586 and a tray detection unit 3587.

The elevating bracket 3651 is installed on the tray picker elevating means 354, that is, the tray picker support block 354a, and is elevated according to the driving of the picker elevating unit 354b.

The tray picker rotating unit 3652 is installed on the lifting bracket 3541 to rotate the gripper support frame 3583 by 90 degrees. In other words, the tray picker rotating unit 3652 moves the first and second grippers 3584 and 3585 with the gripper support frame 3583 and the first and second grippers 3584 and 3585 vertically. The transfer of the sorting picker module 318 of the module sorting picker unit 310 is not interfered with each other. Here, when the transfer paths of the first and second grippers 3584 and 3585 which are kept in the horizontal state and the transfer paths of the sorting picker module 318 are sufficiently separated, the first and second grippers (as described above) 3584, 3585 need not be upright.

The tray picker rotating unit 3652 may include a rotating shaft and a servo motor rotating the rotating shaft 90 degrees in the forward direction or rotating the rotating shaft 90 degrees in the reverse direction.

The gripper support frame 3583 is coupled to the tray picker rotation unit 3652, that is, the rotary shaft, to support the first and second grippers 3584 and 3585. The gripper support frame 3583 is rotated 90 degrees in the forward direction or rotated 90 degrees in the reverse direction according to the drive of the tray picker rotation unit 3652.

The first gripper 3584 is installed to be transportable on one side of the gripper support frame 3583 and picks up one side of the full goods tray. The second gripper 3585 is installed to be transportable on the other side of the gripper support frame 3583 to pick up the other side of the full good quality tray.

Each of the first and second grippers 3584 and 3585 includes a lower gripper 3584a, an upper gripper 3584b, and an upper gripper elevating member 3584c.

The lower gripper 3584a is installed and fixed to the gripper support frame 3583. The lower gripper 3584a supports the lower edge portion of the full good quality tray.

The upper gripper 3584b is installed to be liftable on the lower gripper 3584a and is positioned inside the lower gripper 3584a. The upper gripper 3584b presses the upper edge portion of the full goodness tray.

The upper gripper elevating member 3584c is installed at a lower gripper 3584a corresponding to an upper portion of the upper gripper 3584b. The upper gripper elevating member 3584c raises and lowers the upper gripper 3584b so that the lower gripper 3584a and the upper gripper 3584b pick up the upper and lower edge portions of the full good tray. Here, the upper gripper elevating member 3584c may be formed of a cylinder.

The gripper gap adjusting unit 3586 is installed on the gripper support frame 3583 to adjust a gap between the first and second grippers 3584 and 3585. To this end, the gripper spacing adjusting unit 3386 is installed inside the gripper support frame 3583 and is gripper conveying member (not shown) individually coupled to each of the first and second grippers 3584 and 3585. And a gripper transfer motor (not shown) that provides a rotational motion to the gripper transfer member. The gripper spacing adjusting unit 3386 may linearly move the first and second grippers 3584 and 3585 simultaneously in opposite directions through a rotational movement of the gripper conveying member according to the driving of the gripper conveying motor. The distance between the first and second grippers 3584 and 3585 is adjusted. As a result, the gripper spacing adjusting unit 3386 has the first and second grippers 3584 and 3585 depending on the size of the full good quality tray, which depends on the size (or length) of the LED module bar loaded on the full good quality tray. It controls the space between).

The tray detection unit 3587 detects whether the full good quality trays picked up by the first and second grippers 3584 and 3585 are picked up. To this end, the tray detection unit 3587 may include a tray detection sensor installed in at least one lower gripper 3584a of the first and second grippers 3584 and 3585. The tray detection sensor detects whether the full good quality tray is picked up by the first and second grippers 3584 and 3585 by transmitting and receiving a predetermined tray detection light.

As described above, the operation process of the non-defective tray transfer picker unit 350 is as follows.

First, when all the good LED module bars are loaded in all the loading areas of the empty good tray placed in at least one of the first and second good goods stacking units 320 and 330 of the sorting unit 300, the tray picker module 358 ) Is transferred onto the stock stack with the full stock tray.

Subsequently, the distance between the first and second grippers 3584 and 3585 is wider than the distance between both sides of the full good tray by driving the gripper gap adjusting unit 3386.

Subsequently, the tray picker module 358 is lowered by driving the tray picker elevating unit 354b.

Subsequently, the first and second grippers 3584 and 3585 are positioned at both edge portions of the full goodness tray by driving the gripper gap adjusting unit 3386. Adjust the space between).

Subsequently, the first and second grippers 3584 and 3585 are simultaneously lowered by simultaneously lowering the upper gripper 3584b of each of the first and second grippers 3584 and 3585 through driving of the upper gripper elevating member 3584c. Each upper gripper 3584a and the upper gripper 3584b pick up both upper and lower edge portions of the full goodness tray.

Subsequently, the tray picker module 358 is brought into a horizontal state through the drive of the tray picker transfer means 356, and is transferred to the above-mentioned tray discharge part 400 for good quality goods.

Subsequently, the tray picker module 358 is lowered by driving the tray picker elevating unit 354b, and then the first and second gripper elevating members 3584c are sequentially driven. The full good quality trays picked up by the first and second grippers 3584 and 3585 are seated on the good quality tray discharge unit 400.

Subsequently, when the full good supply tray is seated on the good discharge tray 400, the tray picker module 358 is raised through the tray picker elevating unit 354b.

Subsequently, the tray picker module 358 is erected vertically by rotating the tray picker module 358 picked up by a full good quality tray by driving the tray picker rotating unit 3652 by 90 degrees in the forward direction.

The vertically picked tray picker module 358 is then conveyed onto a good stock stack with a full good tray.

Finally, the tray picker module 358 is returned to its horizontal state by rotating the tray picker module 358 vertically established by driving the tray picker rotation unit 3652 in the reverse direction by 90 degrees, and then The transfer process of the good quality tray is repeatedly performed.

14 is a perspective view illustrating the tray / bar transport picker unit illustrated in FIGS. 3 to 5, and FIG. 15 is a diagram illustrating the tray / bar picker module illustrated in FIG. 14.

Referring to FIGS. 14 and 15, the tray / bar transport picker unit 500 provides the sorting unit 300 with the empty tray stored in the empty tray stacking unit 400 as described above. Pick up the good LED module bar from the reclassification tray supplied from the 300 and load it on the dummy good quality tray placed in the dump tray loading part 800, and pick up the reclassification tray and load it on the bad loading part 700 . To this end, the tray / bar transport picker unit 500 is tray / bar picker support means 510, tray / bar picker lifting means 520, tray / bar picker transport means 530, tray / bar picker module ( 540, and a tray direction detection module 550.

The tray / bar picker supporting means 352 is a third base plate of the base frame 100 so as to cross the upper portion of each of the dummy tray stacking unit 800, the defective stacking unit 700, and the empty tray stacking unit 400. It is provided in 106, and supports the tray / bar picker elevating means 520 so that transfer is possible. To this end, the tray / bar picker support means 352 comprises a pair of vertical pedestals 512 and a transfer guide support 514.

The pair of vertical pedestals 512 are installed vertically on both sides of the third base plate 106 with the dummy tray stacking unit 800, the defective stacking unit 700, and the empty tray stacking unit 400 interposed therebetween.

The transfer guide support 514 is installed to span the pair of vertical pedestals 512 to guide the transfer in the X-axis direction of the tray / bar picker elevating means 354.

The tray / bar picker elevating means 520 is installed on the transport guide support 514 of the tray / bar picker supporting means 510 to be transferred in the X-axis direction according to the drive of the tray / bar picker transporting means 530. Lift the tray / bar picker module 540. To this end, the tray / bar picker lifting means 520 comprises a tray / bar picker support block 522 and a tray / bar picker lifting unit 524.

The tray / bar picker support block 522 is installed to be transportable to the transfer guide support 514 to guide the lifting of the tray / bar picker module 540.

The tray / bar elevating unit 524 is installed in the tray / bar picker support block 522 to elevate the tray / bar picker module 540. To this end, the tray / bar picker elevating unit 524 is installed inside the tray picker support block 522, and the tray / bar picker elevating ball screw coupled to the tray / bar picker module 540, and the tray / bar And a tray / bar picker lifting motor for rotating the picker lifting ball screw. The tray / bar picker elevating unit 524 lifts the tray / bar picker module 540 according to the rotation of the ball screw by rotating the ball / bar picker elevating ball screw according to the operation of the tray / bar picker elevating motor. Let's do it.

The tray / bar picker transfer means 530 is installed on the transfer guide support 514 of the tray picker support means 352 to linearly move the tray / bar picker lift means 520 in the X-axis direction. To this end, the tray / bar picker transfer means 530 is installed inside the transfer guide support 514, the ball screw for tray / bar picker transfer coupled to the tray / bar picker support block 522, and the ball screw And a tray / bar picker motor for rotating. The tray / bar picker transporting means 530 rotates the tray / bar picker transporting ball screw according to the drive of the tray / bar picker transporting motor, thereby moving the tray / bar picker lifting means 520 according to the rotation of the ball screw. Feed in the X-axis direction.

The tray / bar picker module 540 is installed on the tray / bar picker elevating means 520, that is, the tray / bar picker support block 522. The tray / bar picker module 540 supplies an empty tray to the sorting unit 300 while traveling between the dummy tray stacking unit 800, the defective product stacking unit 700, and the empty tray stacking unit 400. Or pick up the good LED module bar and the bad LED module bar from the reclassification stacking unit 340 of the classification unit 300 to reclassify. To this end, the tray / bar picker module 540 includes a tray / bar picker elevating block 541, a tray / bar picker rotating unit 542, a rotating frame 543, a tray / bar picker supporting frame 544, And a pair of first and second pickup nozzles 545, 546, a pickup nozzle spacing adjustment unit 547, and first and second pickup nozzle transfer units 548, 549.

The tray / bar picker elevating block 541 is installed on the tray / bar picker elevating means 520, ie, the tray / bar picker support block 522, to support the tray / bar picker rotating unit 542. .

The tray / bar picker rotation unit 542 is rotatably installed in the tray / bar picker lifting block 541 to rotate the rotating frame 543. To this end, the tray / bar picker rotating unit 542 includes a support bracket 542a, a rotating member 542b, and a tray rotating motor 542c.

The support bracket 542a is coupled to the bottom surface of the tray / bar picker lifting block 541.

The rotating member 542b is rotatably installed on the lower surface of the support bracket 542 to support the rotating frame 543. The rotating member 542b rotates the rotating frame 543 in accordance with the drive of the tray rotating motor 542c. Here, the rotating member 542b is a shaft for supporting the rotating frame 543, a first pulley coupled to the shaft, a second pulley coupled to the rotating shaft of the tray rotating motor 542c, the first and second It may comprise a belt spanned between pulleys.

The tray rotating motor 542c is installed on the upper surface of the support bracket 542a to rotate the rotating member 542b so that the rotating frame 543 rotates according to the rotation of the rotating member 542b.

The rotation frame 543 is coupled to the tray / bar picker rotation unit 542, that is, the rotation member 542b, to support the tray / bar picker support frame 544, and according to the rotation of the rotation member 542b. Rotate

The tray / bar picker support frame 544 is coupled to the lower surface of the rotary frame 543 to support the pair of first and second pickup nozzles 545 and 546 to be transportable.

The pair of first pick-up nozzles 545 are installed side by side to be spaced at predetermined intervals on one side of the tray / bar picker support frame 544. The pair of first pickup nozzles 545 simultaneously pick up both edge portions of one side of the tray T or pick up one side of the LED module bar by using a predetermined vacuum suction force supplied from the outside.

The pair of second pick-up nozzles 546 are installed side by side so as to be spaced apart from each other on the other side of the tray / bar picker support frame 544 by a predetermined interval. The pair of second pickup nozzles 546 simultaneously pick up both edge portions of the other side of the tray T or pick up one side of the LED module bar by using a predetermined vacuum suction force supplied from the outside.

Each of the pair of first and second pickup nozzles 545, 546, which are side by side with the tray / bar picker support frame 544, are commonly shared by first and second nozzle support rods 545a, 545b. Supported.

The pickup nozzle spacing adjusting unit 547 is installed in the tray / bar picker support frame 544 to adjust the spacing between the pair of first pick-up nozzles 545 and at the same time the pair of second pick-up nozzles ( 546) to adjust the spacing. To this end, the pick-up nozzle spacing adjusting unit 547 is installed inside the tray / bar picker support frame 544, and the nozzle conveying member individually coupled to each of the first and second nozzle support rods 545a and 545b. (Not shown), and a nozzle spacing motor (not shown) for providing a rotational motion to the nozzle conveying member. The pick-up nozzle spacing adjusting unit 547 simultaneously moves the first and second nozzle supporting rods 545a and 545b in opposite directions to each other through a rotational movement of the nozzle conveying member according to the driving of the nozzle spacing motor. Direction between the pair of first pick-up nozzles 545 and the pair of second pick-up nozzles 546 are simultaneously adjusted. As a result, the pick-up nozzle spacing adjusting unit 547 may be configured according to the size of the full good quality tray which depends on the size (or length) of the LED module bar loaded on the full good quality tray, or the position of the LED module bar to be picked up. The gap between the pair of first pickup nozzles 545 and the pair of second pickup nozzles 546 may be adjusted.

The first pick-up nozzle transfer unit 548 is installed in the rotating frame 543 so that the pair of first pick-up nozzles 545 by linearly moving the pair of first pick-up nozzles 545 in the Y-axis direction. Adjust the pickup position in each Y-axis direction. To this end, the first pickup nozzle transfer unit 548 is installed inside the rotary frame 543, the first pickup nozzle support member for commonly supporting the pair of first pickup nozzle 545, and the first The first pickup nozzle conveyance ball screw for linearly moving the first pickup nozzle support member in the Y-axis direction, and the first pickup nozzle conveyance motor for rotating the first pickup nozzle conveyance ball screw. Accordingly, in the pair of first pick-up nozzles 545, the first pick-up nozzle support member is moved in the Y-axis direction by the rotational movement of the first pick-up nozzle transfer ball screw according to the driving of the first pick-up nozzle transfer motor. The linear motion causes the pair to approach or move away from the pair of second pickup nozzles 546.

The second pick-up nozzle transfer unit 549 is installed on the rotary frame 543 so that the pair of second pick-up nozzles 546 by linearly moving the pair of second pick-up nozzles 546 in the Y-axis direction. Adjust the pickup position in each Y-axis direction. To this end, the second pickup nozzle transfer unit 549 is installed inside the rotary frame 543, the second pickup nozzle support member for commonly supporting the pair of second pickup nozzle 546, and 2nd pick-up nozzle conveyance ball screw which linearly moves a 2nd pick-up nozzle support member to a Y-axis direction, and a 2nd pick-up nozzle conveyance motor which rotates a 2nd pick-up nozzle conveyance ball screw. Accordingly, the pair of second pick-up nozzles 546 has a second pick-up nozzle support member in the Y-axis direction by the rotational movement of the second pick-up nozzle feed ball screw according to the driving of the second pick-up nozzle feed motor. By linear movement, the pair of first pick-up nozzles 545 is brought closer or further away.

The tray direction detection module 550 picks up the tray and transfers the tray to the reclassification stacker 340, the dump tray stacker 700, and the defective load stacker 800. In order to improve the orientation of the tray, the tray orientation is detected. For example, the directions of the trays stacked on the empty tray stacking unit 400 are stacked in turns by 180 degrees one by one to prevent jamming between the trays. Of course, the reclassification stacking unit 340, the dump tray stacking unit 700, and the defective stacking unit 800 are alternately loaded one by one alternately stacked 180 degrees are loaded. Accordingly, the tray direction detection module 550 detects the direction of the tray picked up by the tray / bar picker module 540 so that the trays may be rotated by 180 degrees one by one.

The tray direction detection module 550 is installed on the third base plate 106 corresponding between the defective goods loading part 700 and the dump tray loading part 800. The tray direction detection module 550 is a direction of the tray T picked up by the tray / bar picker module 540 transferred to the tray direction detection area by the tray / bar picker transfer means 530 described above. Is detected. To this end, the tray direction detection module 550 includes a direction detection sensor including a direction detection pin.

The direction detecting sensor has a position detecting pin when the tray T picked up by the tray / bar picker module 540 is lowered to a predetermined height after being transferred to the tray direction detecting region. Detects the direction of the tray T picked up by the tray / bar picker module 540. For example, the direction detection sensor detects the direction of the tray T picked up by the tray / bar picker module 540 in the first direction (or the forward direction) when the direction detecting pin is lowered or pushed, and the direction detection is performed. When the falling pin does not fall or fall, the direction of the tray T picked up by the tray / bar picker module 540 is detected in a second direction (or reverse direction).

Therefore, the tray / bar picker module 540 has the direction of the picked-up tray T based on the first and second directions of the tray detected by the tray direction detection module 550. The trays are supplied to the sorting unit 300 so as to be alternately (zigzag) in the first and second directions, and the directions of the trays stacked on the defective goods stacking unit 700 and the dump tray stacking unit 800 are respectively the first and second directions. Lay out alternately (zigzag).

The operation of the tray / bar transport picker unit 500 will be described as follows.

First, when the LED module bar including the defective LED module bar is loaded in all the loading areas of the reclassification tray seated on the tray support table of the reclassification stacking unit 340, the tray support table of the reclassification stacking unit 340 is It is transported onto the defective goods loading portion 700.

Subsequently, the tray / bar picker module 540 is transferred onto the defective article loading unit 700 by driving the tray / bar picker transferring means 530.

Then, the first and second pickup nozzles 545 and 546 of the tray / bar picker module 540 pick up one or two good LED module bars loaded in the reclassification tray.

Subsequently, after the tray / bar picker module 540 of the good LED module bar is picked up to a predetermined height by driving the tray / bar picker lifting means 520, the tray / bar picker transferring means 530 The tray / bar picker module 540 is transferred to an upper portion of the dump tray stacking unit 800 by driving.

Subsequently, the good LED module bar is loaded onto the dummy good tray by lowering the good LED module by the picked up tray / bar picker module 540 through driving of the tray / bar picker lifting means 520.

Subsequently, the tray / bar picker module 540 is raised to a predetermined height by driving the tray / bar picker elevating means 520, and then the tray / bar picker module 540 is moved to the defective part loading unit 700. After transferring to the phase, all the good LED module bar loaded in the reclassification tray is transferred to the dump tray stacking unit 800 by repeating the above process.

Subsequently, when all the good LED module bars loaded in the reclassification tray are transferred to the dump tray stacking unit 800, the pickup nozzle gap adjusting unit 547 and the first and second pickups of the tray / bar picker module 540 are transferred. By driving each of the nozzle transfer units 548 and 549, the distance and distance of the first and second pick-up nozzles 545 and 546 are adjusted to a pickup position for picking up the reclassification tray, and then the defective LED The reclassification tray loaded with only the module bar is picked up and raised to a predetermined height.

Subsequently, when the reclassification stacking unit 340 is raised from the tray support table to a predetermined height, the tray support table of the reclassification stacking unit 340 is transferred to the original position and returned to the module bar reclassifying position. At the same time, the reclassification tray picked up by the tray / bar picker module 540 is transferred to the tray direction detection area.

Next, the direction of the reclassification tray picked up by the tray / bar picker module 540 is detected by driving the tray direction detection module 550. Then, the direction of the tray stacked on the uppermost side of the defective loading unit 700 and the direction of the detected reclassification tray are compared, and the reclassification tray picked up by the tray / bar picker module 540 according to the comparison result. Maintain or change the direction of. For example, when the direction of the tray stacked on the uppermost side of the defective loading unit 700 is the first direction, and the direction of the detected reclassification tray is the first direction, the tray / bar picker module 540 may be The reclassification trays picked up by the first and second pick-up nozzles 545 and 546 are rotated in the second direction by driving the tray / bar picker rotating unit 542. In this case, the process of re-checking the direction of the reclassification tray rotated in the second direction through the tray direction detection module 550 may be additionally performed.

Subsequently, the reclassification tray, which is picked up by the tray / bar picker module 540 and changed in direction by driving the tray / bar picker transporting means 530, is stacked on the uppermost tray of the defective goods loading unit 700. .

Finally, after the tray for reclassification is lowered to a predetermined height according to the driving of the defective article stacking unit 700, the tray support table of the reclassification stacking unit 340 is transferred onto the defective article stacking unit 700. A bin in the empty tray stacking unit 400 by moving and lifting the tray / bar picker module 540 according to driving of the tray / bar picker transfer means 530 and the tray / bar picker lift means 520, respectively. The tray is picked up and seated on the tray support table of the reclassification stack 340. Accordingly, the reclassification stacking unit 340 returns the tray support table supplied with the empty tray by the tray / bar picker module 540 to the module bar reclassification position.

FIG. 16 is a perspective view illustrating a tray for discharging goods for goods shown in FIGS. 3 to 5.

Referring to FIG. 16 and FIGS. 3 to 5, the non-defective tray discharge unit 600, as described above, for the non-defective product supplied from the sorting unit 300, that is, the non-defective tray feed picker unit 350. The tray T1 is discharged to the outside. To this end, the consumable tray discharge unit 600 includes a conveyor support means 610, a conveyor module 620, a conveyor rotation unit 630, a conveyor transport unit 640, and a consumable tray detection unit 650. It is configured to include.

The conveyor support means 610, as shown in Figure 2, is installed on the lower surface of the second base plate 102 of the base frame to support the conveyor transfer unit 640. To this end, the conveyor support means 610 comprises a plurality of side walls 612, and a support plate 614.

The plurality of sidewalls 612 are installed on the lower surface of the second base plate 102 at regular intervals to support the support plate 614. The support plate 614 is coupled to the lower surface of the plurality of side walls 612 to support the conveyor transport unit 640.

The conveyor module 620 transfers the non-goods tray T1 supplied from the non-goods tray transfer picker unit 350 in the X-axis direction to discharge them to the outside. To this end, the conveyor module 620 includes a conveyor support frame 622, a pair of conveyors 624, a conveyor belt 626, and a conveyor drive unit 628.

The conveyor support frame 622 rotatably supports both sides of each of the pair of conveyors 624.

The pair of conveyors 624 are installed side by side at regular intervals on the conveyor support frame 622 serves to rotate the conveyor belt 626.

The conveyor belt 626 is installed to span the pair of conveyors 624 to support the tray for good quality T1. This conveyor belt 626 rotates according to the rotation of at least one of the pair of conveyors 624.

The conveyor drive unit 628 is installed at one side of the conveyor support frame 622 to rotate the conveyor belt 626 by rotating any one of the pair of conveyors 624. Accordingly, the article tray T1 supported by the conveyor belt 626 is transported in the X-axis direction according to the rotation of the conveyor belt 626 and discharged to the outside.

The conveyor rotating unit 630 serves to rotate the conveyor module 620. To this end, the conveyor rotation unit 630 is configured to include a conveyor transport frame 632, a rotating shaft 634, and a motor for rotating the conveyor 636.

The conveyor transfer frame 632 rotatably supports the rotating shaft 634.

The rotating shaft 634 is coupled to the conveyor support frame 622 of the conveyor module 620 to rotate the conveyor module 620 horizontally 90 degrees horizontally in accordance with the driving of the conveyor rotation motor 636 or The conveyor module 620 rotated 90 degrees in the forward direction is rotated 90 degrees in the reverse direction to its original position.

Conveyor rotation motor 636 is installed on the conveyor transfer frame 632 to rotate the rotary shaft 634. In this case, the rotational motion of the conveyor rotation motor 636 may be transmitted to the rotation shaft 634 through a rotation transmission member such as a gear or a belt.

The conveyor transfer unit 640 is installed on the conveyor support means 610 to linearly move the conveyor module 620 in the Y-axis direction. That is, the conveyor transfer unit 640 linearly moves the conveyor module 620 between the supply tray for good goods and the discharge position for good goods. To this end, the conveyor transfer unit 640 comprises a pair of transfer guide rails 642, a conveyor transfer frame 644, a conveyor screw ball 646, and a conveyor transfer motor 648. .

The pair of transfer guide rails 642 are installed side by side at both edge portions of the support plate 614 of the conveyor support means 610 to guide the transfer in the Y-axis direction of the conveyor transfer frame 644.

The conveyor transfer frame 644 is installed to be transported on the pair of transfer guide rails 642 and coupled to the bottom surface of the conveyor transfer frame 632 of the conveyor rotation unit 630.

The ball screw 646 for conveyor conveyance is coupled to the bottom surface of the conveyor conveyance frame 644. The conveyor screw ball 646 transfers the conveyor frame 644 in the Y-axis direction by rotational movement according to the driving of the conveyor motor 648.

The conveyor transport motor 648 is installed on the support plate 614 of the conveyor support means 610 so as to be coupled to one side of the conveyor transport ball screw 646 to rotate the conveyor transport ball screw 646.

The good quality tray detection unit 650 is installed at one side of each of the pair of conveyors 624 and detects whether the good quality tray T1 supplied to the pair of conveyors 624 is seated. This, the good quality tray detection unit 650 is made of an optical sensor for detecting the presence or absence of the seating tray T1 supplied to the pair of conveyor 624 by transmitting and receiving the light for the good tray detection 652. Can be.

As described above, the operation process of the tray for discharging goods 600 is as follows.

First, the conveyor module 620 is transferred to a tray supply position for good quality through the driving of the conveyor transfer unit 640.

Subsequently, through the above-described good quality tray detection unit 650, the good quality tray transport picker unit 350 of the sorting unit 300 detects whether the good quality tray T1 is seated on the conveyor module 620. do.

Subsequently, when it is detected that the good quality tray T1 is seated on the conveyor module 620 by the good quality tray detection unit 650, the conveyor module 620 is horizontally driven by driving the conveyor rotating unit 630. By rotating 90 degrees forward, the product tray T1 is changed to the X-axis feed direction.

Subsequently, the conveyor module 620 on which the conveyor rotation unit 630 and the tray for good quality T1 is seated is transferred to the tray for discharge of good quality through the driving of the conveyor transfer unit 640.

Subsequently, the consumable tray T1 is transferred to the X-axis direction through the driving of the conveyor module 620 and discharged to the outside.

Finally, when the consumable tray T1 is discharged to the outside, the conveyor rotation unit while transferring the conveyor rotation unit 630 and the conveyor module 620 to the consumable tray supply position by driving the conveyor conveyance unit 640. After rotating the conveyor module 620 in the reverse direction by 90 degrees through the operation of the 630, and waits for the other good quality tray is seated on the conveyor module 620 by the good quality tray transport picker unit 350 When the other good quality tray is seated on the conveyor module 620 again, the other good quality tray is discharged to the outside by performing the above-described process.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: base frame 200: optical inspection unit
300: classification unit 310: module classification picker unit
320, 330: good product loading unit 340: reclassification loading unit
350: good-quality tray feed picker portion 400: empty tray loading portion
500: tray / bar picker part 510: tray / bar picker support means
520: tray / bar picker lifting means 530: tray / bar picker conveying means
540: tray / bar picker module 550: tray orientation detection module
600: good quality tray discharge part 700: dump tray loading part
800: defective part loading part

Claims (12)

An LED module bar classification apparatus for inspecting and classifying a plurality of LED module bars including a plurality of LED packages mounted at a predetermined interval on a substrate and a plurality of lenses coupled to the substrate to cover the LED package.
An optical inspection unit receiving the plurality of LED module bars and simultaneously inspecting the plurality of LED module bars to generate inspection information including a lens position on the substrate;
A classification unit which picks up a plurality of LED module bars inspected by the optical inspection unit and classifies the picked up LED module bars into a tray according to the classification information based on the inspection information;
An empty tray stacking unit in which empty trays are stacked;
A tray / bar transfer picker unit which picks up an empty tray from the empty tray stacking unit and supplies the empty tray to the sorting unit; And
LED module bar sorting device, characterized in that it comprises a tray for discharging the good quality LED module bar is loaded from the sorting unit and discharged to the outside. The method of claim 1,
And the inspection information includes a lens position on the substrate and whether the lens is tilted or not. The method of claim 1,
And the optical inspection unit generates inspection information on each of the front, first and second long sides of each of the plurality of LED module bars. The method of claim 3, wherein
The optical inspection unit,
An inspection frame including a plurality of rotation bars for supporting each of the plurality of LED module bars;
A module bar rotation module configured to rotate the plurality of rotation bars such that the front, first and second long sides of each of the plurality of LED module bars face upward;
Frame conveying means for linearly moving the inspection frame; And
And a plurality of optical inspection units for imaging inspection of a plurality of LED module bars moved in the linear motion of the inspection frame to generate inspection information for each of the plurality of LED module bars. . 5. The method of claim 4,
LED module bar sorting apparatus, characterized in that a plurality of LED module bar is disposed in the inspection area of each of the plurality of optical inspection unit. The method of claim 1,
The sorting unit classifies the good LED module bar and the bad LED module bar in the plurality of LED module bar according to the classification information based on the inspection information and classify LED module bar, characterized in that for loading in different trays. The method according to claim 6,
The plurality of LED module bars are divided into first and second groups,
And the classifying unit classifies the LED module bars of the first group and the LED module bars of the second group into a pair. The method of claim 7, wherein
Wherein,
At least one article stacking unit on which a tray for a stack for stacking a stack of LED lamps is placed;
A reclassification stacking unit on which a reclassifying tray for loading a defective LED module bar and a good LED module bar is mounted;
A module sorting picker unit for simultaneously picking up a plurality of LED module bars in the optical inspection unit and classifying the picked up plurality of LED module bars into the good goods stacking unit and the reclassification stacking unit according to the classification information; And
It is characterized in that it comprises a good quality tray transport picker for transferring the good quality tray to the good quality tray discharge unit by using a tray picker module for picking up the good quality tray with all good LED module bars loaded in the good quality loading part LED module bar sorting device. The method of claim 8,
The good quality tray transport picker part may seat the good quality tray picked up by the tray picker module at the discharge tray for good quality goods, and then rotate the tray picker module at a predetermined angle to transfer the good quality loading part toward the good quality loading part. LED module bar sorting device. The method of claim 8,
Wherein the discharge tray for good quality LED module bar sorting apparatus for discharging to the outside by rotating the direction of the good quality tray supplied from the good quality tray transport picker unit horizontally 90 degrees. The method of claim 8,
A dump tray stacking unit in which a plurality of dummy stacking trays containing only the non-defective LED module bars which are reclassified in the reclassifying stacking unit are stacked; And
Only the defective LED module bar is stacked, the reclassification tray seated on the reclassification stacking portion is further configured to further comprise a defective product stacking portion,
The tray / bar transfer picker unit picks up a good LED module bar from a reclassification tray seated on the reclassification stacker, loads the good LED module bar into the dummy good quality tray, and picks up a reclassification tray seated on the reclassification stacker. LED module bar classification apparatus, characterized in that the loading on the defective goods loading portion. The method of claim 8,
A defective article stacking unit in which a plurality of trays for defective products loaded only with defective LED module bars reclassified by the reclassification stacking unit are stacked; And
It further comprises a dump tray stacking unit in which a plurality of reclassification trays stacked on the reclassification stacking unit are stacked with only good quality LED module bars.
The tray / bar transfer picker unit picks up a defective LED module bar from a reclassification tray seated on the reclassification stacker and loads the defective LED module bar into the tray for defective products, and picks up a reclassification tray seated on the reclassification stacker. LED module bar sorting device, characterized in that the loading on the dump tray loading section.

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