JPH03264241A - Method and device for carrying work to and from plate processing machine - Google Patents

Abstract

PURPOSE:To store various works and products in a classified state by arranging a device, which carries a work to and from a plate processing machine, to the one side of the plate processing machine. CONSTITUTION:A product processed by a plate processing machine 1 is conveyed onto a product pallet positioned on an output input station ST-0 by a work output input conveying device 43 to load the product on the pallet. Thereafter, the product pallet is returned to a second station ST-2 or a first station ST-1, a material pallet is moved to the output input station ST-0, and a subsequent work on the material pallet is conveyed to the plate processing machine 1 to execute processing of a work W.

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a workpiece unloading method for carrying a plate-shaped workpiece into a plate processing machine such as a punch press, and carrying out a processed product during plate processing. The present invention relates to a workpiece loading/unloading method and device, and more particularly to a workpiece loading/unloading method and device for loading a workpiece and unloading a product from one side of a plate processing machine.

(Prior art) Conventionally, a plate-shaped workpiece, such as a turret punch press, is loaded into a plate processing machine using a workpiece loading device placed on one side of the plate processing machine, and the processed product in the plate processing machine is Generally, the unloading is carried out by a product unloading device placed on the other side of the plate processing machine.

In the above configuration, there is a problem in that a relatively large installation area is required because the three components, the workpiece loading device, the plate processing machine, and the product loading device, are arranged in a linear relationship.

In addition, as a configuration in which a work loading device and a product loading device are placed on one side of a plate material processing machine, for example,
There is a publication No. 54492 (hereinafter simply referred to as a precedent example).

In this prior example, the workpiece is carried in and the product is carried out from one side of the plate processing machine, which has the effect of making the installation area relatively small.

However, the workpiece loading device suctions and lifts the workpiece from a material pallet placed adjacent to the product loading device, moves the workpiece to a position above the product loading device, and transfers the workpiece to the plate processing machine at this position. The configuration is such that the equipment is imported.

(Problem to be Solved by the Invention) Therefore, in the prior example, there is a problem that the structure of the workpiece loading device is complicated.

Further, in the prior art, there is a problem in that it is difficult to separate and store workpieces and products of various shapes and sizes, and it is difficult to unmanned small-volume production of other products.

Furthermore, in the shell, conventionally, a holding device is provided which holds and carries the workpiece when the workpiece is carried into the plate processing machine;
A clamping device for clamping and transporting the product from the plate processing machine is separately provided, which poses a problem of complicating the configuration.

This invention was made in view of the above-mentioned conventional problems, and its first purpose is to provide a simple structure for loading workpieces and unloading products from one side of the plate processing machine. It is an object of the present invention to provide a method and device for carrying in and out workpieces that can be carried out easily.

A second object of the present invention is to provide a workpiece loading/unloading method and device that can separate and store workpieces and products of various shapes and sizes, and that can achieve unmanned high-mix, low-volume production. It is.

Other objects of the present invention will become clear by referring to the description of the embodiments that will be described later.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above-mentioned objects, the method of the present invention includes installing a plate material processing machine on one side of a plate material processing machine that processes a plate-shaped workpiece.
A loading/unloading station is provided for loading workpieces into the plate processing machine and unloading products processed by the plate processing machine, and a first station is provided on one side of the loading/unloading station with the loading/unloading station in between. A second station is provided on the other side, and the loading/unloading station is connected to the first station.
When the material pallet that is reciprocated between the station and the second station is located at the loading/unloading station, the workpiece loading/unloading device provided at the loading/unloading station removes the plurality of works loaded on the material pallet. At least one workpiece is separated and carried into the plate processing machine, and while the workpiece is being processed in the plate processing machine, the material pallet is moved from the loading/unloading station to the first station or the second station, and the material pallet is moved to the second station or The product pallet located at the first station was moved to the loading/unloading station, and the products processed in the plate processing machine were transported and stacked on the product pallet positioned at the loading/unloading station by the work loading/unloading device. After that, the product pallet is returned to the second station or the first station, the material pallet is moved again to the loading/unloading station, and the next workpiece on the material pallet is transported to the plate processing machine, and the workpiece is processed repeatedly. It is.

Further, the device of the present invention is a device that carries workpieces into and out of a plate processing machine that processes plate-shaped workpieces, and includes a plurality of material pallets loaded with workpieces to be carried into the plate processing machine and a plate processing machine. A workpiece storage device is provided with a plurality of upper and lower stages of multiple pallet storage shelves for storing a plurality of product pallets loaded with products processed in the machine, and is placed on one side of the plate processing machine; a first lifter device that moves the material pallet or the product pallet up and down at a loading/unloading station provided at the bottom of the workpiece storage device to carry in the workpiece and carry out the products processed by the plate processing machine from the plate processing machine; Take out a material pallet or a product pallet from an appropriate pallet storage shelf of the workpiece storage device and transfer it onto the jiil lifter device, or transfer the material pallet or product pallet on the first lifter device to an appropriate pallet storage shelf of the workpiece storage device. an elevator device that is movable up and down at a first station provided on one side of a loading/unloading station for the purpose of transporting material pallets or product pallets from the elevator device to the first lifter device; , in order to temporarily support a product pallet or a material pallet that had been placed on the first lifter device in advance, a second station provided on the other side of the loading/unloading station was provided so as to be movable up and down. a second lifter device; for separating at least one workpiece from the workpieces on the material pallet supported by the first lifter device of the loading/unloading station and transporting the workpieces to the plate processing machine; 1; a workpiece loading/unloading device for transporting the workpieces to the position of the product pallet transferred onto the lifter device; and;

(Example) Referring to FIGS. 1 and 2, a turret punch press is illustrated as a plate processing machine 1 for processing a plate-shaped workpiece W in this embodiment. The configuration of the turret punch press 1 illustrated here is well known, but to explain its general configuration, the frame body 3 of the turret punch press 1 is C-shaped or gate-shaped. A turret device 5, which has an upper turret supporting a large number of punches and a lower turret supporting a large number of dies, facing each other vertically, is mounted on the frame main body 3 so as to be horizontally rotatable, and is located at a processing position. A striker 7 for striking a punch at an indexed position is provided so as to be movable up and down.

Further, on both left and right sides of the fixed table 9 fixed to the frame body 3 of the turret punch press 1, there are movable tables II.
A and IIB are provided so as to be movable in the front-rear direction (Y-axis direction), and both movable tables IIA and IIB are integrally connected by a carriage base 13 extending in the left-right direction (X-axis direction). A carriage 15 is supported on the carriage base 13 so as to be movable in the X-axis direction, and a plurality of work clamps 17 for clamping the work W are attached to the carriage 15.

Further, the carriage base 13 has a support bar 1 extending in the Y-axis direction above one movable table 11A.
9 is provided, and on the tip side of this support bar 19,
Fixed table9. A workpiece pusher 21 that moves the workpiece W placed on the movable table 11A toward and abuts the workpiece clamp 17 is supported so as to be movable in the Y-axis direction. Further, an origin positioning device 23 is attached to the base side of the support bar 19 for adsorbing the workpiece W and moving it in a direction intersecting the X-axis and the Y-axis (lower left direction in FIG. 1). .

This origin positioning device 23 moves the workpiece W in a direction intersecting the X-axis and the Y-axis, and the workpiece clamp 1 is positioned in advance at a reference position in the Y-axis direction.
7 and the end of the movable table 11A in the X-axis direction, the workpiece W is brought into contact with an X-axis reference pin 25 that is provided so as to be able to protrude and retract from the table surface, thereby positioning the workpiece W to the origin position.

Since the turret punch press having the above configuration is well known as described above, further detailed explanation of its structure and operation will be omitted.

Next, details of the workpiece loading/unloading device 27 for loading the workpiece W into the plate processing machine 1 such as the turret punch press and carrying out the product processed in the plate processing machine 1 will be described in detail.

As understood from FIGS. 1 and 2, the workpiece loading/unloading device 27 is arranged on one side (left side) of the plate processing machine 1. The workpiece loading/unloading device 27 includes a plurality of pallets P (material pallets) loaded with workpieces W to be carried into the plate processing machine 1 and products G processed in the plate processing machine 1.
A workpiece storage device 31 is provided with a plurality of pallet storage shelves 29 (see FIGS. 2 and 3) arranged in a plurality of upper and lower stages for storing a plurality of pallets P (product pallets) loaded thereon.

More specifically, the workpiece storage device 31 is constructed of a frame 35 in which a plurality of columns 33 made of, for example, channel material are erected, and each column 33 is connected by a plurality of horizontal beam members. It is.

As shown in FIGS. 2 and 3, guides with an L-shaped cross section are provided inside the frame 35 to guide and support a plurality of wheels provided on both the left and right sides of each pallet P. Rails 37 are provided facing each other on the left and right sides. By providing a plurality of guide rails 37 above and below, the upper interior of the frame 35 is divided into a plurality of pallet storage shelves 29 for storing pallets P. Further, at the lower part of the frame body frame 35, there is provided a space for carrying the work W loaded on the pallet P into the plate processing machine 1, and for carrying the work W loaded on the pallet P into the plate processing machine 1.
A carry-out hole station 5T-0 (see FIGS. 3 and 1) is provided as an area for carrying out the processed products G and loading them onto the pallet P.

More specifically, as shown in FIG. 3, three first lifter devices that support the pallet P and move up and down are arranged in the carry-out hole station 5T-0 at the bottom of the frame 35. This first lifter device 39 has a structure in which a support table 41 is supported horizontally by a pair of X-shaped links, and the support table 41 is moved up and down by actuating the links with a fluid pressure cylinder. Since the structure is similar to that of a general lifter device, a detailed explanation of the configuration of the three first lifter devices will be omitted.

Material pallet P supported by the first lifter device 39
In order to separate the workpieces W loaded on the board and carry them into the plate processing machine I, and to carry out the products G processed in the plate processing machine I onto the product pallet P supported by the first lifter device 39. In order to do this, a workpiece loading/unloading transfer device 43 is provided above the first lifter device 39.

More specifically, as understood from FIGS. 2 and 3,
On one side of the inside of the frame body frame 35, the plate processing machine 1 is installed.
A support beam 45 extending upward is provided horizontally, and a transfer loader 47 is supported on this support beam 45 so as to be able to reciprocate. Although detailed illustration is omitted, a motor 49 is attached to the transfer loader 47, and a pinion (not shown) rotated by the motor 49 meshes with a rack (not shown) provided on the support beam 45. be.

Therefore, by rotating the motor 49 forward or backward, the transfer loader 47 is moved along the support beam 45.
can be reciprocated in the X-axis direction (left-right direction in FIG. 2).

As can be understood from FIG. 3, a clamp holder 51 extending in the Y-axis direction (left-right direction in FIG. 3) is supported in a cantilevered manner at the bottom of the transfer loader 47. 51, a plurality of work clamps 53 for clamping the edge portions of the work W are attached.

Therefore, by clamping the work W with the work clamp 53 and moving it toward the plate processing machine 1, the work W can be carried into the plate processing machine 1. Further, after the workpiece G processed in the plate processing machine 1 is clamped by the work clamp 53, the product G can be carried out from the plate processing machine 1 by returning to the original position.

As already understood, the workpiece loading/unloading transfer device 43 is
This serves both as a carry-in device for carrying the workpiece W into the plate processing machine 1 from the carry-out hole station 5T-0 and as a carry-out device for carrying out the product G from the plate processing machine 1.

In order to separate the workpieces W one by one from the pallet P that is three places above the first lifter device at the carrying-out hole station 5T-0, the carrying-out hole station 5T-0 is equipped with the workpiece W.
A suction and lifting device F55 is provided that suctions and lifts the vicinity of the end portion of the sheet. That is, as shown in FIGS. 2 and 3, a cylinder 57 is attached to the frame 35 in the carry-out hole station 5T-0 so as to be movable up and down. A plurality of suction pads 61 are vertically arranged on the pad holder 59.

Therefore, by operating the cylinder 57 to move the butt holder 59 up and down, the first lifter device 3
The vicinity of the end of the workpiece W supported on the suction pad 61
The workpiece can be separated from the workpiece below and lifted up.

Workpiece W lifted by the suction lifting device 55
A slat conveyor 63 (see FIG. 2) is provided at the carry-out hole station ST-0 in order to horizontally support the plate material and carry it out to the plate processing machine 1. This slat conveyor 63 has a pair of endless chains 67 wound around a plurality of chain sprockets 65 rotatably supported by a frame 35, and a plurality of six pipe rollers extending over an appropriate range of the chains 67. It is rotatably supported. The chino 67 has a motor 7 installed at an appropriate position.
1 and is driven to travel.

With the above configuration, after the suction lifting device 55 suctions and lifts one end of the workpiece W, the motor 71 drives the chino 67 to run clockwise in FIG. When one of the pipe rollers 69 is positioned on the upper side, the workpiece W is supported horizontally by the plurality of pipe rollers 69.

Therefore, one end of the workpiece W is held in the workpiece clamp 5.
3, the transfer loader 47 is moved to the second
The workpiece W can be carried into the plate processing machine 1 by moving to the right in the figure and moving the chino 67 clockwise.

Conversely, when the work clamp 53 clamps the product processed in the plate processing machine 1 and moves to the left in FIG. 2, the product can be supported by the six pipe rollers. It is. Then, when one end of the product is clamped by the work clamp 53, the chino 67 is rotated counterclockwise in FIG. 2 to move the plurality of six pipe rollers laterally. By doing so, the upper portions of the three first lifter devices are opened, so that the products can be dropped onto the pallet P on the first lifter device 39 and loaded thereon.

In order to take out an appropriate pallet P from the pallet storage shelf 29 of the work storage device 31 and transfer it onto the first lifter device 39, or to store the pallet P on the first lifter device 39 to the pallet storage shelf 29. In addition, an elevator device 73 is provided at a first station 5T-1 provided on one side of the carry-out hole station 5T-0 in the Y-axis direction, so as to be movable up and down.

More specifically, the elevator device 73 moves up and down guided by vertical guide rails (not shown) provided on the columns 33 of the frame frame 35. A chino 77 is connected to the sprocket 75S of a winch device t75 mounted on the upper part of the winch 35, and is moved up and down.

With the above configuration, the elevator device 73 can be moved up and down appropriately by driving the winch device 75, and the elevator device 73 can be moved to a height position corresponding to each pallet storage shelf 29 and the pallet It can be positioned at a height position for feeding etc.

The elevator device 73 includes a pallet transfer device 77 in order to send out and pull the pallets P to and from the pallet storage shelf 29 and the three first lift devices.
In FIG. 3, it is provided so as to be able to reciprocate in the left and right directions.

More specifically, the elevator device 73 is horizontally provided with a pair of guide rails 79 at positions having the same width as the plurality of guide rails 37 of the pallet storage shelf 29 in order to support the pallets P. Furthermore, the elevator device 73 is provided with a pair of horizontal guide rails 81 for guiding the pallet transfer device 77, and a rack 83 is provided horizontally.

The pallet transfer device 77 is provided with an engaging claw member 85 that is movable up and down and can be freely engaged with and disengaged from the engaging protrusion PP provided at the end of the pallet P, and is also equipped with a motor 87. Eight pinions rotated by this motor 87 mesh with the rack 83.

With the above configuration, the pallet transfer device 77 is moved in the left-right direction in FIG. 3 by appropriately driving the motor 87. In addition, the engaging claw 85 is attached to the pallet P.
By engaging and moving with the engaging protrusion PP of the pallet storage rack 29, the pallet P can be fed into and pulled out from the three first lifter devices of each pallet storage shelf 29°.

When sending out the pallet P from the elevator device 73 side to the position of the first lifter device 39, the first lifter device 3
In order to temporarily evacuate the pallet P that has been supported in advance by the carry-out hole station 5T-2, a second lifter device 9 is installed at the second station 5T-2 provided on the other side of the carry-out hole station 5T-0.
1 is arranged so as to be vertically movable.

The second lifter device 91 includes the first lifter device W3.
It moves up and down by the same mechanism as 9. In this second lifter device 91, on a vertically movable support table 93, there are pallets P for each of the three first lifter devices.
A device similar to the pallet transfer device 77 and the like provided in the elevator device 73 for sending out and pulling in pallets.

The mechanism is symmetrically provided.

Therefore, since the explanation will be redundant, the detailed explanation will be omitted by giving the same reference numerals to the constituent members having the same function as each constituent member in the elevator device 73. In addition, the reference numeral 95 is a mini-jilinder, and the engaging claw member 8
5 to move up and down.

In the above configuration, first, the elevator device 73
is raised to the height of a pallet storage shelf 29 at an appropriate position, an empty pallet P is pulled out from this pallet storage shelf 29, and the pallet is lowered to the lowest position. When the elevator device 73 is located at the lowest position, the heights of the guide rail 79 of the elevator device 73 and the lower guide rail 97 (see FIG. 3) at the carry-in station 5T-0 match.

Therefore, the support tables 41 of the three first lifter devices
By lowering the lower guide rail 97 from the lower guide rail 97, the lower guide rail 97 is lowered from the elevator device 73.
Empty pallets P can be sent upward.

As mentioned above, an empty pallet P is placed on the lower guide rail 97.
When the second station 5T-2 is sent out, the second
The lifter device 91 operates downward, and the second lifter device 9
Pull the empty pallet P seven guide rails above No.1.

As mentioned above, empty pallets P are removed from the elevator device 73.
, lower guide rail 9 of unloading hole station 5T-0
7, the elevator device 73 is raised,
The pallet storage rack 29 is positioned at a height corresponding to two arbitrary pallet storage shelves, and the pallet P (hereinafter referred to as material pallet P) loaded with workpieces W is pulled out and lowered to the lowest position as described above. descend into position. Then, the material pallet P is sent out onto the lower guide rail 97.

As described above, when the material pallet P is sent out onto the lower guide rail 97, the three first lifter devices are appropriately raised so that the uppermost workpiece W on the material pallet P is at a predetermined height position. , pushes up the material pallet P.

When the material pallet P is pushed up to a predetermined height, the suction pad 61 of the suction lifting device 55 is lowered, and after suctioning one end side of the uppermost workpiece W, it is lifted. When one end side of the workpiece W is lifted by the suction lifting device 55, the plurality of pipe rollers 69 on the slat conveyor 63 are moved to the upper side so that the workpiece W is supported by the plurality of pipe rollers 69.

When the workpiece W is supported horizontally by the slat conveyor 63, the workpiece clamp 53 of the workpiece loading/unloading transfer device f43 is moved to approach the end of the workpiece W and clamps the end of the workpiece W.

As mentioned above, after the end of the 7-piece W is clamped by the work clamp 53 of the workpiece loading/unloading device 43, only the workpiece loading/unloading device f43 is moved or the workpiece loading/unloading device 43 and the slat conveyor 63 are moved. As a result, the workpiece W is carried onto the movable table 11A of the plate processing machine 1.

When the workpiece W is carried onto the movable table 11A, the workpiece W is positioned at the origin position of the plate material processing machine 1 by the action of the workpiece butcher 21 and the origin positioning device 23, and the workpiece clamp 1 in the plate material processing machine 1 is moved.
7, is moved and positioned in the X-axis and Y-axis directions, and is subjected to appropriate processing.

As mentioned above, after loading the workpiece W into the plate processing machine 1,
The workpiece carry-out person transfer device W43 includes an intermediate table T (
(See Figures 1 and 2).

Further, while the workpiece W is being processed in the plate material processing machine 1 as described above, the material pallet P in the carry-out hole station 5T-0 is transferred to the first station 5T-1.
At the same time, the empty pallet P (hereinafter referred to as product pallet P) that was supported by the second lifter device 91 at the second station 5T-2 is pulled back onto the elevator device 73 of the to the rail 99 (see FIG. 3) or the lower guide rail).

When the processing of the workpiece W is completed in the plate processing machine 1, the workpiece loading/unloading transfer device 43 in a standby state moves to the plate processing machine 1 side, and clamps one end of the processed product G with the workpiece clamp 53. After that, the product G is carried out from the plate processing machine 1.

When the workpiece loading/unloading transfer device 43 grips the product G and returns to its original position, the product G is transferred to the plurality of pipe rollers 6 of the slat conveyor 63 at a position above the product pallet P.
9 and is supported horizontally. Therefore, by moving the plurality of six pipe rollers on the slat conveyor 63 laterally to open the upper part of the product pallet P and release the clamp by the work clamp 53, the product G will fall onto the product pallet P. It will be placed there.

As described above, after placing the product G on the product pallet P, the product pallet P is returned to the second lifter device 91 of the second station 5T-2, and at the same time, the product G is placed on the product pallet P.
The material pallet P on the elevator device 73 of T-1 is returned to the carry-out hole station 5T-0, and the loading of the work W into the plate processing machine 1 is resumed.

That is, the material pallet P is reciprocated between the carry-out hole station 5T-0 and the first station 5T-1, and the product pallet P is moved between the carry-out hole station 5T-0 and the second station 5T-2. Carrying the workpiece W into the plate processing machine 1 by reciprocating;
The process of alternately carrying out and carrying out the processed product G in the plate processing machine 1 is repeated.

After there are no more workpieces W on the material pallet P and all the products G have been loaded onto the product pallet P, the product pallet P is transferred to the elevator device 73 via the upper guide rail 99 and the elevator device 73 is moved. The product pallet P is raised and stored in two empty pallet storage shelves. Further, the empty material pallet P is transferred onto the second lifter device 91 to be used as the next product pallet P.

Next, the elevator device 73 moves the next material pallet P loaded with the workpiece W to be processed next to the pallet storage shelf 2.
9 and send it out to the position of the lower guide rail 97 of the carry-out hole station 5T-0 as described above.
By restarting the machining of the workpiece W as described above,
Workpieces W stored in advance in each pallet storage shelf 29 in the workpiece storage device 31 can be processed one after another.

That is, according to this embodiment, the workpiece loading/unloading device 27
can be placed on one side of the plate material processing machine 1, and can be installed in a relatively narrow area. Also, various shapes.

It is possible to process workpieces W of various dimensions one after another, and also to store the processed products, making it possible to achieve unmanned high-mix, low-volume production.

4 and 5 schematically show a second embodiment of the workpiece loading/unloading device. The workpiece loading/unloading device 101 according to the embodiment in FIG. 2 is largely different from the previously described workpiece loading/unloading device 27 in that the second station is omitted and the pallet support device 103 supports the pallet P at the loading hole station ST-〇. , and the pallet support device 103 is provided so as to be freely changeable in position between a support posture position where the pallet P is supported and a support avoidance position where the pallet P is avoided in order to allow vertical movement of the pallet P. be.

Note that the other configurations are similar and perform the same functions as each component of the workpiece loading/unloading device 27 described above, so FIGS. 4 and 5 are only schematic illustrations. Components having the same functions as the workpiece loading/unloading device 27 shown in the first embodiment will be denoted by the same reference numerals, and a more detailed explanation will be omitted.

Now, the pallet support device 103 is equipped with a pallet guide member 105 that is rotatable up and down and guides and supports the pallet P that is transported from the elevator device 73 of the first station 5T-1 to the carry-out hole station 5T-0. .

More specifically, the pallet guide member 105 is supported via a pivot on a bracket 1.degree. 6 attached to the frame 35 so as to be vertically rotatable. In order to rotate the pallet guide member 105 up and down, the tip of a piston rod 107 of a cylinder 107 mounted on the frame 35 is pivotally connected to the pallet guide member 10'5.

Therefore, the pallet guide member 105 is changed in position by the action of the cylinder 107 between a horizontal support posture position where it supports the pallet P and a support avoidance position where it is almost vertical and avoids supporting the pallet P. .

In this second embodiment, for example, a material pallet P is supported by three lifter devices, the material pallet P is pushed up to a predetermined height position by the three lifter devices, and the uppermost workpiece W is transferred to the workpiece carry-in/out transfer device 43. After passing the receiver, the pallet guide member 105 is placed in a substantially vertical support avoidance position, and the material pallet P is lowered to a position lower than the pallet guide member 105.

While the workpiece W is carried into the plate processing machine 1 and processed by the workpiece carry-in/out transfer device 43, the pallet guide member 105 is changed to a horizontal supporting position, and the elevator at the first station 5T-1 is moved. The product pallet P is transferred from the device 73 to the pallet guide member 1.
05 and wait.

Then, the product G processed in the plate processing machine 1 is carried out from the plate processing machine 1 and placed on the product pallet P by the workpiece carry-in/out transfer device 43.

After placing the product G on the product pallet (product pallet) P, the product pallet P is returned to the elevator device 73 and the pallet guide member 1
05 to the almost vertical support/avoidance position, the material pallet P is raised again by the three lifter devices, and the next workpiece W is carried into the plate processing machine 1 and processed by the workpiece carry-in/out transfer device 43 in the same manner as described above. Repeat.

Then, after there are no more works W on the material pallet P and all the products G have been loaded on the product pallet P, the product pallet P is stored in an appropriate pallet storage shelf 29 by the elevator device 73. In addition, the empty material pallet P is transferred to the elevator device 73 and placed on the appropriate pallet storage shelf 2.
9, the material pallet P loaded with the work W to be processed next was taken out from any pallet storage shelf 29 to the elevator device 73, and the material pallet P was delivered to the lifter devices 3 and 9. Later, by taking out the empty pallet P to the elevator device 73 and using it as a product pallet, workpieces W of various shapes and sizes stored in advance in the workpiece storage device 31 can be processed one after another.

That is, also in the device according to the second embodiment, the first
This device can produce the same effects as the device shown in the example.

Although the second embodiment has been explained by arranging material pallets in three lifter devices and product pallets in an elevator device, it is also possible to reverse the arrangement of material pallets and product pallets. .

FIG. 6 shows a third embodiment, in which a discharge hole station 5 in the apparatus of the first embodiment illustrated in FIGS. 1 to 3 is shown.
This is a configuration in which the pallet support device 103 in the second embodiment illustrated in FIGS. 4 and 5 is added to T-0. Therefore, since the explanation will be redundant, the detailed explanation will be omitted by giving the same reference numerals to the constituent members that perform the same functions as the respective constituent members explained in the first and second embodiments. .

In this third embodiment, a material pallet or a product pallet is supported by the pallet support device 10B or the first lifter device 39, and the product is connected between the second lifter device 91 of the second station 5T-2 and the pallet support device 103. A pallet or a material pallet is reciprocated to carry plates into a plate processing machine and load processed products thereon.

That is, after taking out a plate from the material pallet supported by the pallet support device 103 (or the three raised first lifter devices) and transporting it to the plate processing machine, the material pallet on the pallet support device 103 is transferred to the second station S.
Move onto the second lifter device f91 of T~2 (or lower the three first lifter devices to lower the material pallet from the pallet support device 103).

Next, the first lifter device 39 is raised to lift the supported product pallet above the pallet support device 103 (or the product pallet is moved from the second lifter device 91 onto the pallet support device 103). Then, the products processed by the plate processing machine are carried out and loaded onto the product pallet.

As mentioned above, the pallet is moved between the carrying-out hole station 5T-0 and the second station 5T-2, and while the plate material is being carried into the processing machine and the processed products are being loaded, Using the elevator device 73 of the 1 station 5T-1, the pallet storage shelf 29 is supplied with material pallets or the pallet storage shelf 29 is
It is possible to take out product pallets from the machine.

That is, in this third embodiment, the elevator device 73 can be used for other purposes while processing the plate material.

[Effects of the Invention] As can be understood from the above description of the embodiments, according to the present invention, a device for carrying out a workpiece to the plate processing machine is disposed on one side of the plate processing machine. The workpiece can be taken out with a simple structure, and various workpieces and products can be stored separately, making it easy to unmanned high-mix, low-volume production.

In addition, the workpiece clamp that makes the workpiece exit hole for the plate processing machine can be used for both loading and unloading.
This simplifies the configuration.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a plan view showing the positional relationship between the apparatus according to the embodiment and a plate processing machine. FIG. 2 is a front view of the same as above. 3 is a side view taken along the line ■-■ in FIG. 2. FIG. FIG. 4 is a schematic front view showing the second embodiment. FIG. 5 is a right side view of the same as above. FIG. 6 shows a third embodiment, and is a front view similar to FIG. 2. l... Plate processing machine 27... 2 workpiece loading/unloading devices... 3 pallet storage shelves... 1st lifter device 31... Workpiece storage device 43... Workpiece loading/unloading device 73... ...Elevator device 91...Second lifter device 5T-0...Export hole station 5T-1...First station 5T-2...Second station P...Pallet

Claims (6)

[Claims] (1) A loading/unloading station is provided on one side of the plate processing machine that processes plate-shaped workpieces, where workpieces are carried into the plate processing machine and products processed by the plate processing machine are carried out. A first station is provided on one side of the loading/unloading station, and a second station is provided on the other side of the loading/unloading station, with the loading/unloading station in between, and the device is reciprocated between the loading/unloading station and the first station or the second station. When the material pallet is located at the loading/unloading station, a workpiece loading/unloading device provided at the loading/unloading station separates at least one workpiece from the multiple workpieces loaded on the material pallet and transports it to the plate processing machine. While the workpiece is being processed in the plate processing machine, the material pallet is moved from the loading/unloading station to the first station or the second station, and the product pallet located at the second station or the first station is moved to the loading/unloading station. , after the products processed in the plate processing machine are carried out and loaded onto the product pallet positioned at the carry-in/out station by the workpiece carry-in/out transfer device, the product pallet is returned to the second station or the first station; A method for carrying workpieces into and out of a plate processing machine, characterized by repeating the steps of moving the material pallet to the carrying-in/out station again, carrying the next workpiece on the material pallet to the plate processing machine, and processing the workpiece. (2) A device that transports workpieces into and out of a plate processing machine that processes plate-shaped workpieces, and includes multiple material pallets loaded with workpieces to be carried into the plate processing machine and products processed by the plate processing machine. A workpiece storage device is equipped with multiple pallet storage shelves arranged vertically in multiple stages to store multiple product pallets loaded with product pallets, and a workpiece storage device is placed on one side of the plate processing machine. A first lifter device that moves a material pallet or a product pallet up and down at a loading/unloading station provided at the bottom of a workpiece storage device in order to carry out products processed by a sheet material processing machine from the sheet material processing machine, and an appropriate position of the workpiece storage device. taking out a material pallet or a product pallet from a pallet storage shelf and transferring it onto the first lifter device;
an elevator device that is movable up and down at a first station provided on one side of the loading/unloading station in order to transfer the material pallet or product pallet on the lifter device to an appropriate pallet storage shelf of the workpiece storage device; When transferring a material pallet or a product pallet from the elevator device onto the first lifter device, the loading/unloading station is configured to support the product pallet or material pallet that has been previously placed on the first lifter device. A second lifter device provided at a second station provided laterally so as to be movable up and down, and a first lifter device of the loading/unloading station separate the workpieces on the material pallet one by one and separate the workpieces into plate materials. A workpiece loading/unloading device that carries the workpiece into the processing machine and also carries out the workpiece processed in the sheetwork machine to the position of the product pallet transferred onto the first lifter device. A device for loading and unloading workpieces into and out of the machine. (3) In the device according to claim 2, the elevator device and the second lifter device reciprocate the pallet transfer device for delivering and retracting the material pallet or the product pallet with respect to the first lifter device. A workpiece loading/unloading device for a plate material processing machine, characterized in that it is movable. (4) A loading/unloading station is installed on one side of the plate processing machine that processes plate-shaped workpieces, and the loading/unloading station is used to carry in workpieces to the plate processing machine and to carry out products processed by the plate processing machine. A first station is provided on one side of the loading/unloading station, and a second station is provided on the other side of the loading/unloading station, with the loading/unloading station in between, and the loading/unloading station is provided with a material pallet loaded with workpieces or a product pallet loaded with products. A first lifter device that moves up and down and a pallet support device that temporarily supports the material pallet or product pallet are provided, and the workpieces loaded on the material pallet are separated one by one and transported to the plate processing machine. A work loading and unloading device is provided for loading the processed products onto a product pallet, and a second lifter device that is vertically movable is moved to the pallet support device at a second station provided on the side of the loading and unloading station. a material pallet or a product pallet is provided so that the material pallet or a product pallet can be freely transferred, and when one of the material pallet or the product pallet is supported by the first lifter device, the other of the product pallet or the material pallet is supported by the second lifter device; The workpiece is carried into the plate processing machine by the workpiece loading/unloading transfer device from the material pallet supported by the first lifter device or the material pallet transferred from the second lifter device to the pallet support device, and the workpiece is being processed in the plate processing machine. To,
Returning the material pallet from the pallet support device to the second lifter device and appropriately lifting the product pallet supported by the first lifter device, or lowering the material pallet supported by the first lifter device and removing it from the second lifter device. A method for carrying workpieces into and out of a plate processing machine, comprising transferring a product pallet to a pallet support device, and carrying out and loading the product processed in the plate processing machine onto the product pallet by the workpiece carrying-in/out transfer device. . (5) A device that transports workpieces into and out of a plate processing machine that processes plate-shaped workpieces, and includes multiple material pallets loaded with workpieces to be carried into the plate processing machine and products processed by the plate processing machine. A workpiece storage device is equipped with multiple pallet storage shelves arranged vertically in multiple stages to store multiple product pallets loaded with product pallets, and a workpiece storage device is placed on one side of the plate processing machine. A pallet support device temporarily supports a material pallet or a product pallet at a loading/unloading station provided at the bottom of a workpiece storage device to transport products processed by a sheet processing machine from the sheet processing machine, and a pallet support device that moves the pallet up and down. 1 lifter device, and a material pallet or a product pallet is taken out from an appropriate pallet storage shelf of the workpiece storage device and transferred onto the pallet support device or the first lifter device, or onto the first lifter device or the pallet support device. In order to transfer material pallets or product pallets to appropriate pallet storage shelves of the workpiece storage device, an elevator device is provided in a first station provided on one side of a loading/unloading station so as to be movable up and down, and from the elevator device. When transferring the material pallet or product pallet onto the pallet support device or the first lifter device, to temporarily evacuate the product pallet or material pallet that has been placed on the pallet support device or the first lifter device in advance. , a second lifter device provided on a second station provided on the other side of the loading/unloading station so as to be movable up and down; and a pallet of material supported by the pallet support device of the loading/unloading station or the first lifter device. A workpiece loading and unloading system that separates at least one workpiece at a time and transports the workpieces to the plate processing machine, and carries out the processed products in the plate processing machine to the position of the product pallet transferred onto the pallet support device or the first lifter device. A device for loading and unloading workpieces into a plate processing machine, comprising: a transfer device; (6) In the apparatus according to claim 5, the pallet support device includes a pallet guide member that guides and supports the pallet, and the pallet guide member has a support posture position that supports the pallet; A workpiece loading/unloading device for a plate material processing machine, characterized in that the device is provided so as to be freely changeable in position to a support avoidance position for avoiding support of the pallet in order to allow vertical movement of the pallet.