JP2000315892A - Part supplying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a part supplying device to easily and quickly exchange trays. SOLUTION: A part supplying device 1 is provided with a fixed tray housing section 6 which houses a plurality of trays in which parts are arranged, a tray drawing section 7 which is elevated and lowered to draw the trays 5 housed in the section 6 and positions the drawn trays to a part chucking position, and a part chucking head 8 which chucks parts P from the trays 5 positioned to the parts chucking position. The device 1 is also provided with a robot section 10, which supplies the parts P to a parts supplying section 9 by driving the head 8. The tray housing section 6 is constituted, in such a way that the trays 5 can be housed in (put in and out) the section 6 from the side opposite to the part chucking position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component supply device for supplying components from a tray to a mounting device.

[0002]

2. Description of the Related Art As a component supply apparatus as described above, for example, as disclosed in Japanese Patent Application Laid-Open No. 30298/1988,
A frame supporting a plurality of trays in which components are arranged is fixed on the elevating platform, and a predetermined height of the plurality of trays supported by the frame is pulled out and positioned, and the trays positioned above the tray are positioned. There is a device that sucks a component and supplies it to a mounting device.

[0003]

By the way, the frame supporting the tray is moved up and down as described above, and the component is sucked from the tray positioned at a predetermined position. When replacing with a new tray, it is difficult to match the timing and position of the replacement, and it is not easy to replace the tray.

[0004] The present invention has been made to solve the above-mentioned problem, and has as its object to provide a component supply device capable of easily and quickly exchanging trays.

[0005]

In order to solve the above-mentioned problems, a component supply apparatus according to the present invention comprises: a tray storage section in which a plurality of trays on which components are mounted are stored in a plurality of horizontal stages in a vertical state; A tray drawer that pulls out a tray stored in the storage unit and positions the component at a component suction position, a component suction head that suctions a component from a tray located at the component suction position, and drives the component suction head to remove a component. A robot unit for supplying to the component supply unit, the tray storage unit is fixedly provided, the tray drawer unit is configured to be able to move up and down with respect to the tray storage unit, and The configuration is such that empty trays can be taken out of the tray storage section even during operation by being configured to be able to enter and exit from the opposite side of the component suction position. .

According to this device, when replacing an empty tray, as in the conventional device, the replacement timing can be planned,
Alternatively, it can be performed at any time without performing tray alignment.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will now be described with reference to FIGS. 1 is a side view of the component supply device, FIG. 2 is a plan view of the component supply device, FIG. 3 is an enlarged plan view of the component supply device, FIG. 4 is a plan view of the tray drawer at a selected position, and FIG. FIG. 6 is a plan view showing a state where the tray drawer is pulled out, FIG. 7 is a side view showing a driving state of the component suction head, and FIG. 8 is a side view showing a component supply unit. .

A caster 3 and a leveling bolt 4 are provided on the apparatus main body 2 of the component supply apparatus 1. With the leveling bolt 4 raised, the apparatus main body 2 can be easily moved to an arbitrary position by the caster 3. After the movement, the position is regulated by lowering the leveling bolt 4.

The main body 2 of the component supply device 1 has an I
A tray storage unit 6 in which a plurality of trays 5 in which chip components P such as C are arranged are stored; and a tray drawer unit 7 which moves up and down to position the tray 5 stored in the tray storage unit 6 at a drawer component suction position. A component suction head 8 for sucking the component P from the tray 5 located at the component suction position; a robot unit 10 for driving the component suction head 8 to supply the component P to the component supply unit 9; A component transport unit 12 that transports the component P to the mounting apparatus 11 and a board transport unit 14 that transports the printed board 13 to the mounting apparatus 11 are provided.

A frame 15 is provided in the tray storage section 6, and a plurality of trays 5 on which components P are placed and held are stored in a plurality of stages in a horizontal state in the vertical direction. ing. Each of the trays 5 is stored (exited) in the arrow direction A of the frame 15, and when the component P is taken out, the arrow B
It is to be pulled out in the direction. Further, on the drawing direction side (arrow B direction) of each tray 5, knobs 5a for pulling out the tray 5 are provided, respectively.

The tray drawer 7 is provided with a support 16 which is supported by a pair of guide columns 17 disposed on both sides thereof so as to be able to move up and down. A nut member (not shown) is provided on the support base 16, and a screw shaft 18 provided in parallel with the guide pillar 17 is screwed to the nut member, and is mounted below the screw shaft 18. A belt 23 is stretched between the pulley 19 and a pulley 22 attached to an output shaft 21 of a motor 20. When the motor 20 is driven, the rotational driving force is transmitted to the screw shaft 18, and the support base 16 is moved up and down with the rotation of the screw shaft 18.

A guide rail 2 extending in the direction in which the tray 5 is pulled out (the left-right direction in FIG. 1) is provided on the support base 16.
4 and a tray hooker 25 is movably mounted on the guide rail 24. A pulley 27 pivotally supported on the tray storage unit 6 side of the support base 16 and the substrate transport unit 14 are provided below the tray hooker 25.
Belt 26 that is stretched over a pulley 28 that is axially supported
And a belt 33 is stretched over a pulley 29 mounted on the rotation shaft of the pulley 28 and a pulley 32 mounted on the output shaft of the motor 30. And
When the motor 30 is driven, the belt 26 is rotated forward and backward, whereby the tray hooker 25 is moved along the guide rail 24. The tray hooker 25 is provided with a pair of arms 34 at predetermined intervals in a direction perpendicular to the direction in which the tray 5 is pulled out.
Are opened and closed at positions close to and away from each other by supply and discharge of compressed air from a compressed air generation source (not shown).

In the tray drawer 7,
The support table 16 is raised and lowered by driving the motor 20, and a desired tray 5 is selected from the tray storage section 6. At this time, as shown in FIG. 4, the tray hooker 25 is stopped at the end of the guide rail 24, that is, at a position distant from the tray storage section 6 with the arm 34 opened. Then, the support table 16 is mounted on the desired tray 5.
Then, the motor 30 is driven to move the tray hooker 25 close to the tray storage section 6 along the guide rail 24, and as shown in FIG. When the knob 5a of the tray 5 is interposed between the arms 34, the movement of the tray hooker 25 is stopped. When the movement of the tray hooker 25 is stopped, the arms 34 approach each other,
As a result, the knob 5a of the tray 5 is clamped, and the tray hooker 25 is moved in the pull-out direction while the knob 5a of the tray 5 is clamped by the reverse rotation of the motor 30. That is, by this, the tray 5 is pulled out from the tray storage section 6.

The component suction head 8 includes a cylinder 36
And a nozzle portion 35 connected to a shaft of the cylinder portion 36, and a support 48 of the robot portion 10 via a bracket 37 joined to the cylinder portion 36.
It is attached to. As shown in FIG. 7, in the component suction head 8, the nozzle portion 35 is moved up and down by driving the cylinder portion 36, whereby the component P is sucked and taken out from the tray 5 positioned at the suction position. I have.

The robot section 10 includes a base 38, a moving mechanism for moving the base 38 in the direction in which the tray 5 is pulled out, a support table 48 supported by the base 38, and a And a moving mechanism for moving in a direction orthogonal to the pull-out direction.

The base 38 has a pair of guide rails 39.
The pair of guide rails 39 is movably supported along the guide rails 39, and the pair of guide rails 39 is provided at predetermined intervals in a direction orthogonal to the direction in which the tray 5 is pulled out.
In addition, it extends in the direction in which the tray 5 is pulled out. This base 3
A belt 40 is attached to a lower portion of the belt 8.
Is stretched over a pair of pulleys 41 and 42 which are supported at predetermined intervals in the pulling-out direction of the tray 5 of the apparatus main body 2, and further, a pulley 43 mounted on a rotation shaft of the pulley 41 and a motor 45 And a pulley 47 attached to the output shaft 46 of the above. When the motor 45 is driven,
The belt 40 is rotated forward and backward, whereby the base 38 is moved along the guide rail 39.

On the other hand, the support table 48 is supported on the base 38 configured as described above so as to be movable in a direction perpendicular to the direction in which the tray 5 is pulled out. That is, a belt 49 is attached to the support base 48, and the belt 49 is a pair of a pulley 50 and a pulley 5 supported by the base 38.
1 and a pulley 52 attached to a rotation shaft of the pulley 50 and an output shaft 15 of a motor 54.
The belt 53 is stretched over the pulley 156 mounted on the belt 5. When the motor 54 is driven, the belt 49 is rotated forward and backward, thereby moving the support base 48.

The component supply section 9 includes the suction head 8
A supply table 55 for mounting the components P taken out of the tray 5 by the
The mounting surface 5 is provided with a plurality of suction heads 56 for preventing the components P from falling during the movement of the supply table 55.

The component transport section 12 includes a transport rail 57 extending in a direction perpendicular to the direction in which the tray 5 is pulled out and extending to a position where the end reaches the mounting device 11. The table 55 is movably supported.

A pair of pulleys 59 and a pulley 60 are respectively supported on both ends of the transport rail 57 in the longitudinal direction, and a belt 58 is wound around the pulley 59 and the pulley 60. It is attached to the supply table 55 supported by the transport rail 57. A pulley 6 is provided on the rotation shaft of the pulley 60.
1 is mounted, and a belt 62 mounted on the pulley 61 is connected to a pulley 6 mounted on an output shaft 64 of a motor 63.
Five. That is, when the motor 63 is driven, the bell 58 is rotated forward and backward, whereby the supply table 55 is moved along the transport rail 57.

The substrate transport section 14 is provided with a pair of transport guides 66, 67 extending at a predetermined interval in the tray 5 pull-out direction and in a direction perpendicular to the tray 5 pull-out direction. A pair of pulleys 68 and 69 are respectively supported on both ends in the longitudinal direction of 67, and a belt 70 and a belt 71 are stretched over each of the pulleys 68 and 69.

A drive shaft 83 extending in the pulling-out direction of the tray 5 is rotatably supported at substantially the center of the transport guides 66 and 67 in the longitudinal direction. Of the drive shaft 83,
Drive pulleys 9 are provided at positions corresponding to the belts 70 and 71.
4 and 95, and a driving pulley 90 is mounted on the rear end, that is, the end on the side of the conveyance guide 67. A belt 91 mounted on the pulley 90 is mounted on an output shaft of a motor 92. Around the pulled pulley 93. That is, when the motor 92 is driven, the belts 70 and 71 are rotated and moved.
As shown in FIG. 1, the printed circuit board 13 bridged over each of the belts 70 and 71 is transported.

Further, the upper machine transport guides 66 and 67 include:
Adjustment shafts 72 and 73 extending in parallel with the drive shaft 83 are provided. Pulleys 76 and 77 are mounted on the adjustment shafts 72 and 73, respectively.
A belt 82 attached to 77 is stretched over a pulley 81 attached to an output shaft of a motor 79 via a tensioner 78. That is, when the motor 79 is rotated forward and backward, the adjusting shafts 72 and 73 are both rotated forward and backward, whereby the transport guide 66, the pulley 68 and the transport belt 70 are integrally moved in the pulling-out direction of the tray 5. It is supposed to be. That is, by adjusting the interval between the conveyance guide 66 and the conveyance guide 67 in this way, it is possible to cope with the printed circuit boards 13 having different widths.

In the component supply device 1 configured as described above, the desired tray 5 in the tray storage unit 6 is selected by moving the tray drawer 7 up and down with respect to the tray storage unit 6. Then, the selected tray 5 is pulled out to a predetermined component suction position. Then, the component P placed on the drawn tray 5 is transferred to the component supply unit 9 by the robot unit 10 while being sucked by the component suction head 8, and the component transport unit 12 is further driven to drive the component P. The component P of the supply unit 9 is transported toward the mounting device 11.

As described above, in the component supply device 1 having the above-described configuration, the tray storage section 6 is fixedly provided, and the tray drawer 7 is moved up and down with respect to the tray storage section 6 so that any part stored in the tray storage section 6 can be provided. The tray 5 is pulled out so as to be positioned at a predetermined component suction position, and the tray 5 can be moved into and out of the tray storage section 6 from the side opposite to the component suction position (see the arrow direction A in FIG. 1). Therefore, even during operation, the empty tray 5 can be easily taken out from the tray storage section 6 and replaced. Therefore, tray 5
Can be shortened, or the efficiency of the tray 5 replacement operation can be improved.

Next, a second embodiment of the component supply apparatus of the present invention will be described with reference to FIGS. The first
The components having the same functions as those of the embodiment will be described with the same reference numerals.

The basic structure of the component supply device 100 of the second embodiment is the same as that of the component supply device 1 of the first embodiment.
Component supply unit 9 and component transport unit 12 in component supply device 1
The difference is that a conveyor unit 101 having the function of the above is provided.

More specifically, the device main body 2 of the component supply device 100 of the second embodiment is provided with a guide side plate 1 instead of the transport rail 57 of the component transport device 12 of the first embodiment.
03 is provided. A pair of pulleys 104 and 105 are rotatably mounted on both ends of the guide side plate 103 in the longitudinal direction, and the pulleys 104 and 105 are rotatable.
A transport belt 106 is stretched around the belt. A pulley 109 is mounted on the rotation shaft of the pulley 105 with the guide side plate 103 interposed therebetween, and a drive belt 108 is mounted on the pulley 109.
08 is a pulley 107 mounted on the output shaft of the motor 102
Has been passed over. That is, when the motor 102 is driven, the rotational driving force is applied to the drive belt 10.
8 and to the pulley 105 via the pulley 109,
As a result, the transport belt 106 is rotated in the direction of the arrow in FIG.

That is, in the component supply apparatus 100 of the second embodiment having the above-described configuration, the component P taken out of the tray 5 by the component suction head 8 is, as shown in FIG.
By being placed on the transport belt 106 that is rotated by the drive of the motor 102, the transport belt 106 is supplied to the mounting device 11 as the transport belt 106 rotates.

In the component supply apparatus 100 of the second embodiment, the components P are supplied by utilizing the rotational movement of the conveyor belt 106 as described above, so that the components P are intermittently mounted as shown in FIG. It can be supplied to the device 11. That is,
In the component supply device 1 according to the first embodiment, the component P mounted on the supply table 55 of the component supply unit 9 is moved along the transport rail 57 of the component transport unit 12 by moving the supply table 55 to the mounting apparatus. 11, the components P on the supply table 55 moved to the mounting apparatus 11 side.
When the supply table 55 has run out, the supply table 55 is temporarily moved to the suction head 8.
It was necessary to move to the parts supply position. That is, in the component supply device 100, the number of components P placed on the supply table 55 is limited, and therefore, it is necessary to reciprocate the supply table 55. However, in the component supply device 100 of the second embodiment, As described above, the parts P can be supplied intermittently, so that the parts supply efficiency can be further improved.

In the conveyor section 101,
By mounting a plurality of components P at a predetermined pitch on the transport belt 106, the components P may be intermittently supplied to the mounting apparatus 11 as described above. One component P is placed, and this is mounted on the mounting apparatus 1
After supply to the mounting device 11, the next supply component P may be placed on the conveyor belt 106 and supplied to the mounting apparatus 11. That is, the rotational movement speed of the transport belt 106, the supply pitch of the components P to the conveyor unit 101, and the like may be appropriately set in accordance with the mounting speed of the mounting device 11.

[0032]

As described above, in the component supply apparatus according to the present invention, the tray is pulled out by raising and lowering the tray drawer with respect to the fixed tray storage part. The empty tray can be removed from the tray storage section even during operation by allowing the tray to be removed from the side opposite to the component suction position. And it can be done at any time without the need to align the trays. Therefore, the tray can be replaced easily and quickly.

[Brief description of the drawings]

FIG. 1 is a side view showing a first embodiment of a component supply device of the present invention.

FIG. 2 is a plan view showing a first embodiment of the component supply device of the present invention.

FIG. 3 is an enlarged plan view showing a first embodiment of the component supply device of the present invention.

FIG. 4 is a plan view of a tray drawer at a selected position.

FIG. 5 is a plan view of a tray drawer at a clamp position.

FIG. 6 is a plan view showing a state in which a tray drawer is pulled out.

FIG. 7 is a side view showing a driving state of the component suction head.

FIG. 8 is a side view of a component supply unit.

FIG. 9 is a plan view showing a second embodiment of the component supply device of the present invention.

FIG. 10 is a side view showing a conveyor unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Component supply apparatus 5 Tray 6 Tray storage part 7 Tray drawer part 8 Component suction head 9 Component supply part 10 Robot part 11 Mounting device 12 Component transport part

Claims (1)

[Claims] 1. A tray storage portion in which a plurality of trays on which components are mounted are stored in a plurality of stages in a vertical state in a horizontal state, and a tray drawer portion for pulling out the trays stored in the tray storage portion and positioning the trays at a component suction position. A component suction head that suctions components from a tray located at the component suction position;
A robot unit for driving the component suction head to supply components to a component supply unit, wherein the tray storage unit is fixedly provided, and the tray drawer unit can be moved up and down with respect to the tray storage unit. The tray can be taken in and out of the tray storage from the side opposite to the component suction position, so that an empty tray can be taken out of the tray storage during operation. Parts supply device.