JPH04367338A - Work supply device - Google Patents

Abstract

PURPOSE:To surely and easily execute a size change work by adjusting a position by moving opposingly the left side guide body and the right side guide body, and allowing an interval of a work front edge guide and a work rear edge guide of a magazine to conform to a forward/backward direction size of a new work. CONSTITUTION:At the time of changing a size of a work, (1) a position is adjusted by moving opposingly the left side guide body 21 and the right side guide body 22. An interval of the left and the right work front edge guides 14A, 14B of a magazine and an interval of the left and the right work front edge guides 15A, 15B of a positioning device 15 are allowed to conform to the left/right direction size of a new work. (2) Work rear edge guides 14C, 14D of a magazine 14 are subjected to position adjustment against the left and the right work front edge guides of the magazine 14 fixed by said (1), and an interval of the work front edge guide and the work rear edge guide of the magazine is allowed to conform to the forward/ backward direction size of a new work. In such a way, a size change work can be executed surely and easily.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a workpiece supply device suitable for use in a workpiece transfer robot for press working, etc.

0002

[Prior Art] Conventionally, workpiece transfer robots for press processing, etc. are equipped with a workpiece leading edge guide that guides the leading edge of the workpiece and a workpiece trailing edge guide that guides the trailing edge of the workpiece, and are capable of storing a large number of workpieces. 2. Description of the Related Art A workpiece supply device is used that includes a magazine that carries a magazine, a workpiece leading edge guide that guides a front edge of a workpiece taken out from the magazine, and a positioning device that positions the workpiece with respect to a workpiece supply destination.

[0003] Conventional workpiece supply devices push the workpiece located at the bottom or top layer in the magazine into a positioning device using, for example, a pusher plate and position it in a fixed position, and then transfer the positioned workpiece by, for example, a suction transfer device. It can be adsorbed and inserted into a press mold.

[0004] In the conventional workpiece supply device, in order to accommodate changes in the size of the workpiece, the workpiece leading edge guide of the magazine and, if necessary, the workpiece trailing edge guide are configured as a pair on the left and right. The device's workpiece leading edge guides are also configured as a pair of left and right, and in order to correspond to the work size of this time, the left and right workpiece leading edge guides of the magazine, the left and right trailing edge guides of the workpiece, and the left and right workpiece leading edge guides of the positioning device. We are planning to rearrange the locations.

[0005]

[Problems to be Solved by the Invention] However, in the prior art, the position of each work guide is adjusted individually while ensuring the positioning accuracy of each work guide on the left and right with respect to the work supply destination and the positioning accuracy between each work guide. This involves relocating it to a new position in the left-right, front-back, and front-back directions, which involves great difficulty in changing the size.

[0006] An object of the present invention is to enable reliable and easy size changing work in a work supply device.

[0007]

[Means for Solving the Problems] The present invention as set forth in claim 1 includes a workpiece leading edge guide that guides the leading edge of the workpiece and a workpiece trailing edge guide that guides the trailing edge of the workpiece. In a work supply device that includes a magazine for storing a workpiece, a workpiece leading edge guide that guides the front edge of a workpiece taken out from the magazine, and a positioning device that positions the workpiece with respect to a workpiece supply destination, The edge guides are configured as a pair of left and right edges, and the workpiece leading edge guides of the positioning device are also configured as a pair of left and right edges. Both right-hand workpiece leading edge guides of the positioning device are also integrated as a right-hand guide body.

According to a second aspect of the present invention, the left guide body and the right guide body are supported by a single support rail extending in the left-right direction so as to be adjustable in position in the left-right direction.

[0009]

[Operation] According to the present invention as set forth in claim 1, the following (1) is achieved.
There is an effect.

(1) When changing the size of the work,
■The position is adjusted by moving the left guide body and the right guide body oppositely, and the gap between the workpiece leading edge guides on the left and right of the magazine is adjusted.
Adjust the distance between the left and right workpiece leading edge guides of the positioning device to match the new workpiece's lateral size, and position the workpiece trailing edge guide of the magazine with respect to the left and right workpiece leading edge guides of the magazine that are fixed in (■) above. Adjust the distance between the workpiece leading edge guide and the workpiece trailing edge guide of the magazine to match the new size of the workpiece in the longitudinal direction.

That is, in (2) above, by adjusting the position of the single left guide body, the left work leading edge guide of the magazine and the left work leading edge guide of the positioning device can be simultaneously rearranged, and the single right guide body By adjusting the position of
The rearrangement of the right work leading edge guide of the magazine and the right work leading edge guide of the positioning device can be completed at the same time, and as a result, the size changing operation can be performed reliably and easily.

According to the present invention as set forth in claim 2, the following (
2) It has the following effect.

(2) In (1) above, when adjusting the positions of the left guide body and the right guide body, these guide bodies are moved along a single support rail.
The position of each guide body in the front and back direction is always secured by the support rail, and it is sufficient to adjust only the position in the left and right direction.As a result, the size change operation can be performed reliably and easily.

[0014]

[Embodiment] Fig. 1 is a plan view showing a work supply device according to an embodiment of the present invention, Fig. 2 is a front view of Fig. 1, Fig. 3 is a side view of Fig. 1, and Fig. 4 is a basic configuration of the present invention. FIG.

As shown in FIGS. 1 to 4, the work supply device 10 has a work supply table 13 fixed to the bolster of the press 11 with bolts 12, and the table 13 has a magazine 14 and a positioning device 15. , a pusher device 16, and a suction transfer device 17. Thereby, the work supply device 10 pushes out the workpiece 1 in the magazine 14 in the shape of a rectangular plate, for example, into the positioning device 15 using the pusher device 16, positions it at a fixed position, and transfers the positioned workpiece 1 to the suction transfer device 17. It is possible to adsorb it and insert it into the press mold on the center of the press machine.

The magazine 14 includes a pair of left and right workpiece leading edge guides 14 that guide the left and right leading edge corners of the workpiece 1.
A and a right side workpiece leading edge guide 14B, and a left and right side workpiece trailing edge guide 14C and a right side workpiece trailing edge guide 14D, which are a pair of left and right guides for guiding the right and left rear edge corners of the workpiece 1, are provided. Thereby, the magazine 14 can store a large number of works 1 in a stacked state within the space defined by each of the work guides 14A to 14D.

The positioning device 15 also includes a pair of left and right workpiece leading edge guides 15A and 15B, which guide the left and right leading edge corners of the workpiece 1. At this time, the positioning device 15 moves the left and right work guides 1
5A and 15B always maintain a constant distance L from the center of the press machine, so that the workpiece 1 can be positioned with respect to the press die on the center of the press machine to which the workpiece is supplied.

However, the magazine 14 and the positioning device 15
Both left-hand workpiece leading edge guides 14A and 15A are integrated with each other as a left-hand guide body 21, and both right-hand workpiece leading edge guides 14B and 15B of the magazine 14 and positioning device 15 are integrated with each other as a right-hand guide body 22.

The left guide body 21 and the right guide body 22 are supported by a single support rail 23 extending in the left-right direction on the work supply table 13 so as to be adjustable in position in the left-right direction. Each guide body 21, 22 can be locked at an appropriate position on the support rail 23 by each locking device 21A, 22A.

With this, when changing the size of the workpiece 1, the left guide body 21 and the right guide body 22 are moved left and right oppositely along the support rail 23 to adjust the position, and as a result, the left and right sides of the magazine 14 are adjusted. The distance between the workpiece leading edge guides 14A and 14B and the distance between the left and right workpiece leading edge guides 15A and 15B of the positioning device 15 is changed to a new workpiece 1.
It will be adapted to the horizontal size of.

The left and right trailing edge guides 14C and 14D of the workpieces of the magazine 14 are connected to a pair of left and right supports 24A and 2 which are installed on the support rail 23 so that their positions can be adjusted in the left and right direction.
4B so that the position can be adjusted in the front-rear direction. Each support 24A, 24B and each work trailing edge guide 14C, 14
D is the support rail 23 with each locking device 25A, 25B.
can be locked in place on the top.

With this, when changing the size of the workpiece 1, the left workpiece trailing edge guide 14C and the right workpiece trailing edge guide 14D are moved from side to side along the support rail 23 along with the respective supports 24A and 24B to adjust the position. At the same time, the positions of the left work trailing edge guide 14C and the right work trailing edge guide 14D are moved in the front-rear direction with respect to the respective supports 24A and 24B to adjust the positions. The interval between the guides 14C and 14D is adapted to the horizontal size of the new work 1, and the interval between the front and rear left work guides 14A and 14C, and the interval between the right work guides 14B and 14D is adapted to the front and rear size of the new work 1. Become.

The pusher device 16 moves the upper surface of the work supply table 13 from the bottom layer of the magazine 14 to the positioning device 1.
The pusher plate 31 has a pusher plate 31 that can be moved toward the table 13, and the pusher plate 31 can be reciprocated by a pusher cylinder 32 installed inside the table 13. In addition, Figures 1 to 3
, 33 is a rod of the pusher cylinder 32; 34 is a rod of the pusher cylinder 32;
35 is a connecting plate between the rod 33 and the pusher plate 31, 35 is a slide body on which the pusher plate 31 is mounted, and 36 is a guide rail that guides the slide body 35 in the front-rear direction.

Therefore, the pusher plate 3 of the pusher device 16
1 reciprocates in the front and back direction by the operation of the pusher cylinder 32, pushes the work 1 located at the lowest layer in the magazine 14 into the positioning device 15, and moves the left and right front edge corners of the work 1 to the positioning device 15. Left and right work guides 15A,
Position it by pressing it against 15B.

The suction transfer device 17 is held by a back-and-forth moving device 41 fixed to the work supply table 13, a vertical drive device 42 mounted on the back-and-forth moving device 41, and a vertical moving device 42. It is composed of a suction tool 43. The longitudinal moving device 41 mounts a longitudinal carriage 45 on a longitudinal rail 44 and drives the longitudinal carriage 45 in the longitudinal direction using a longitudinal motor 46 . The vertical movement device 42 includes a vertical carriage 48 on a vertical rail 47.
is placed thereon, and a vertical carriage 48 is driven in the vertical direction by a vertical motor 49. The suction tool 43 is a vertical trolley 48
The suction arm 50 is held at the tip of the suction arm 50 supported by the suction arm 50 . The suction arm 50 is rotatably supported by the vertical cart 48, and has a working position where it extends horizontally toward the work supply table 13 and a standby position where it extends vertically toward the vertical rail 47. You can rotate between.

Therefore, the suction tool 43 of the suction transfer device 17 moves back and forth and up and down by the operation of the motors 46 and 49, and suctions the workpiece 1 positioned in the positioning device 15 and places it on the center of the press machine. Insert into press mold.

Note that the work supply device 10 places a cart 51 provided on the lower surface of the work supply table 13 on a drawer rail 52 extending in the left-right direction at the front edge of the bolster of the press 11. It's on a shelf. When replacing the mold of the press machine 11, etc., after removing the aforementioned fixing bolts 12, the cart 51 is pulled out and moved in the left and right direction along the drawer rail 52, thereby replacing the mold as a whole of the work supply device 10. It can be evacuated to the side of the press machine 11 where it will not interfere with work etc.

Next, the operation of the above embodiment will be explained.

(1) When changing the size of the workpiece 1, (1) adjust the position by moving the left guide body 21 and the right guide body 22 facing each other, and adjust the distance between the left and right workpiece leading edge guides 14A and 14B of the magazine 14; The interval between the left and right workpiece front edge guides 15A and 15B of the positioning device 15 is adapted to the new horizontal size of the workpiece 1, and ■Magazine 14
The left and right workpiece leading edge guides 14A, 1 of the magazine 14 are fixed with the workpiece trailing edge guides 14C, 14D in the above (■).
4B, and the distance between the workpiece leading edge guides 14A, 14B and the workpiece trailing edge guides 14C, 14D of the magazine 14 is adapted to the new size of the workpiece 1 in the longitudinal direction.

That is, in (2) above, by adjusting the position of the single left guide body 21, the rearrangement of the left work leading edge guide 14A of the magazine 14 and the left work leading edge guide 15A of the positioning device 15 can be completed at the same time. By adjusting the position of one right guide body 22, the rearrangement of the right work leading edge guide 14B of the magazine 14 and the right work leading edge guide 15B of the positioning device 15 can be completed at the same time, and as a result, the size changing operation can be performed reliably and easily.

(2) In (1) above, when adjusting the positions of the left guide body 21 and right guide body 22, the guide bodies 21 and 22 are moved along the single support rail 23, so The position of each guide body 21, 22 in the front and back direction is always secured by the support rail 23, and it is sufficient to adjust only the position in the left and right direction, and as a result, the size can be reliably and easily changed.

The present invention is applicable to supply devices for various shapes such as not only rectangular shapes but also polygonal shapes, circular shapes, etc. The work trailing edge guide of the magazine is not limited to a pair of left and right guides, but may be a single piece.

[0033]

As described above, according to the present invention, size changing operations can be carried out reliably and easily in the work supply device.

[Brief explanation of drawings]

FIG. 1 is a plan view showing a work supply device according to an embodiment of the present invention.

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a schematic diagram showing the basic configuration of the present invention.

[Explanation of symbols]

1 Work 10 Work supply device 14 Magazine 14A　Left side workpiece leading edge guide 14B Right side workpiece leading edge guide 14C　Left side work trailing edge guide 14D　Right side work trailing edge guide 15 Positioning device 15A　Left side workpiece leading edge guide 15B Right side workpiece leading edge guide 21 Left side guide body 22 Right side guide body 23 Support rail

Claims (2)

[Claims] Claim 1: A magazine that stores a large number of works and includes a workpiece leading edge guide that guides the leading edge of the workpiece and a workpiece trailing edge guide that guides the trailing edge of the workpiece, and a leading edge of the workpiece taken out from the magazine. In the work supply device, the workpiece leading edge guide of the magazine is configured as a pair of left and right, and the workpiece leading edge guide of the magazine is configured as a pair of left and right, and the positioning device The workpiece leading edge guides are also configured as a pair of left and right, and both the left side workpiece leading edge guides of the magazine and positioning device are integrated as a left side guide body, and both the right side workpiece leading edge guides of the magazine and positioning device are also integrated as a right side guide body. A work supply device characterized by being integrated as a. 2. The work supply device according to claim 1, wherein the left guide body and the right guide body are supported by a single support rail extending in the left-right direction so as to be adjustable in position in the left-right direction.