JPH0751775A - Device for transporting work for plate working machine - Google Patents

Abstract

PURPOSE:To shorten a line and to save space by providing a transporting roller successively to a decantation member in the lower part of a work holding device and pressurizing the side of a product for positioning on the transporting roller. CONSTITUTION:When a small product Ws on which a press work is performed is cut off from a work, a conveyor 21 provided in a work transporting device 1 is returned to a retreating position. The small product Ws that has been cut off is dropped along a shoot which is a decantation member 93, placed on a belt conveyor 91, transferred on a transporting roller 25 and sent to a stopper. The stopped small product Ws is moved on a push plate 99 in the Y-axis direction through the activation of a motor and a ball screw which are a pusher device 27, and is positioned at a desired position. Then, the small product Ws is clamped by means of a clamp for transporting and positioning, carried out to the side of a product storing area and stacked on a product pallet.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work transfer device for a plate processing machine, and more particularly to a work transfer device for a plate processing machine having a shortened line structure.

[0002]

2. Description of the Related Art As a conventional plate material processing machine for loading and unloading a work into a punching press, for example, in the sheet metal industry, many small products are punched and cut from a large size work, and then the products are cut. A process line has been developed that sorts and collects each type.

As the line structure, for example, a loading device for supplying a work and an automatic storage for storing the work are arranged adjacent to the left side of the punching press. On the other hand, on the right side of the punching press, a carry-out roller having a Y-direction positioning device is arranged adjacent to the punching press via an auxiliary table, and a stacking device having an X-direction positioning device is arranged adjacent to the carry-out roller. . The line configuration as described above is generally adopted.

[0004]

By the way, in the above-mentioned line configuration of the plate material processing machine and the conveying device, the line length is about 15 m or more, and there is a problem that it cannot be installed because there is no large space in a factory such as a city center. Yes, again
There is also a problem that it is difficult to operate as a single unit because the peripheral devices are arranged long on the left and right sides of the plate processing machine.

In order to improve the above-mentioned problems, an object of the present invention is to integrate a pusher device for positioning a product in the Y-axis direction into a single unit to shorten the line structure and save space. It is to provide a carrier.

[0006]

In order to achieve the above object, the present invention provides a work moving / positioning device for gripping a work carried into a plate processing machine and moving and positioning the work in the X-axis and Y-axis directions. A center table for supporting the center table, front and rear side tables on both sides of the center table, and a rear center table and a conveyor for adjoining the center table and supporting the work within a predetermined range on the same surface as the top surface of the center table. In addition to the above supporting device, a tilting member that can be tilted is provided below the supporting device, a conveying roller is provided, and a pusher device that presses the side surface of the product to move and position the product in the Y-axis direction is provided on the conveying roller. The work transfer device of the machine was constructed.

[0007]

By adopting the work transfer device of the plate material processing machine of the present invention, when punching is performed by the plate material processing machine, the support device of the work transfer device adjacent to the rear table and the center table is operated to convey the conveyor. Is positioned on the same surface as the upper surface of the center table to support the moving work.

In the case of processing a large number of small products, the supporting device is operated and the conveyor is moved to the retracted position.
The small product separated in this state passes through the tilting member, is transferred onto the transport roller provided in the lower stage, and is pushed by the pusher device.
By pressing in the axial direction, small products are positioned at a desired position, carried out, and sorted and collected.

[0009]

Embodiments of the present invention will be described in detail below with reference to the drawings. Although the turret punch press is used as the plate material processing machine in this embodiment, the machine is not limited to this model. Further, since the turret punch press and the multi-shelf work loading / unloading stacking device have already been known, detailed illustration and description thereof will be omitted.

First, in order to facilitate understanding, the overall construction of the plate material processing machine and peripheral equipment will be briefly described.

Referring to FIGS. 3, 4 and 5, the work transfer device 1 is disposed adjacent to the turret punch press 3 as an example of a plate material processing machine. The turret punch press 3 has a plurality of detachable upper molds 5 and lower molds 7.
An upper turret 9 and a lower turret 11 are provided rotatably. A striker (not shown) is vertically movable above the upper turret 9 for punching by pressing a predetermined upper die 5. Further, a sub cutting punch 13 is provided on one side of the upper turret 9.

The lower frame 15 of the turret punch press 3 has a center table 17 and front and rear side tables 19A on both sides of the center table 15.
19B is fixedly provided, and the center table 1 is provided.
7. The work transfer device 1 is provided adjacent to the rear side table 19B, and the work transfer device 1 is provided in a frame (not shown) separate from the lower frame 15 of the turret punch press 3 and has two upper and lower stages. Has become.

As shown in FIG. 1, the work transfer device 1 is provided with a support device 23 provided with, for example, a slat conveyor as a conveyor 21 for supporting the work W in a predetermined range in the upper stage, and in the lower stage. After the tilting member (not shown), there is provided a conveying roller 25 composed of, for example, a pipe roller or the like. Further, the side surface of the work W is pressed against the upper surface of the transport roller 25 by the Y-axis direction (vertical direction in FIG. 3, direction orthogonal to the drawing in FIG. 4, and FIG.
A pusher device 27 is provided for moving and positioning in the left and right direction.

A work moving / positioning device 29 is provided for moving and positioning the work W supported by the center table 17, the front and rear side tables 19A and 19B, and the conveyor 21 in the X-axis and Y-axis directions. More specifically, the first table which is movable in the Y-axis direction on the center table 17, front and rear side tables 19A, 19B.
A carriage 31 is provided, and a second carriage 35 provided with a clamp device 33 for gripping the work W is provided on the first carriage 31 in the X-axis direction (left and right direction in FIGS. 3 and 4 and orthogonal to the drawing in FIG. 5). It is provided so that it can be moved in any direction.

Reference numeral 37 is a center locate pin, and reference numeral 39 is a front locate pin. The center and the front locate pins 37 and 39 can be retracted. Further, reference numeral 41 is a hydraulic unit that operates the entire apparatus, and reference numeral 43 is an NC console that controls the entire apparatus.

With the above-described structure, the work W, which is a raw material, is conveyed to the turret punch press 3 side by the carry-in loader of the work carry-in / carry-out stacking device, which will be described later, and is abutted against the center locate pin 37 and positioned in the X-axis direction. After that, the first carriage 31 is moved in the Y-axis direction, the clamp device 33 is abutted against the work W, and the positioning in the Y-axis direction is performed. Next, the work W is gripped by the clamp device 33, and the second carriage 35 and the first carriage 31 are moved in the X and Y axis directions as appropriate, so that the working position of the work W is the center of the upper and lower molds 5, 7. Position to. Then, punching is performed by the turret punch press 3, and at this time, the support device 23 of the work transfer device 1 is operated to
The conveyor 21 is moved to the upper surface of the work transfer device 1, and the center table 17 and the upper surface of the conveyor 21 are aligned so that the moving work W can be supported.

In the case of processing a large number of small products, a small product W
The contour of s is separated from the work W by the sub-cutting punch 13, and the conveyor 21 provided in the work transfer device 1 is returned to the retracted position. The separated small products Ws pass through the tilting member and fall onto the carrying roller 25 provided in the lower stage of the work carrying device 1.
Then, push the small product Ws with the pusher device 27 to perform Y
It is positioned at a predetermined position in the axial direction, gripped by a carry-out positioning clamp of a work carry-in / carry-out stacking device, which will be described later, and sorts and stacks a plurality of small products Ws on one product pallet. The above-described operation is performed when the remaining residual material is carried out, and the residual material is held in the skeleton box while being gripped by the carry-out positioning clamp.

A work loading / unloading and accumulating device 45 is provided on the right side of the work transfer device 1 and the rear side table 19B in FIG. 3, and a frame 47 is erected adjacent to the work transfer device 1 and the rear side table 19B. The frame 47 includes a material pallet 51A supported by a pallet truck 49 for loading and supporting a large number of works W, a product pallet 51B for loading and supporting a large number of products Ws, and a skeleton box 53. It is stored. A place where the work W is stored is referred to as a material storage area 55, and a location adjacent to the material storage area 55 in the Y-axis direction for storing the product Ws is referred to as a product storage area 57.

A pallet lifter 59 moves up and down on the side surface of the material storage area 55, and the work W is moved onto the first hydraulic lifter 61A.
A pallet traverser 63 in the form of a self-propelled vehicle travels on a pallet lifter 59 for transferring and the hooks (not shown) provided on the pallet traverser 63 are attached to the material pallet
Engage A.

A loader rail 65 is provided above the first hydraulic lifter 61A so as to extend over the turret punch press 3, and a loader 67 that is movable in the X-axis direction is attached to the loader rail 65. There is. A plurality of vacuum pads 69 are vertically provided on the carry-in loader 67.

With the above-mentioned structure, the material pallet 51A in which the desired work W is stored is pulled out by the pallet traverser 63 of the pallet lifter 59, and the first hydraulic lifter 61A.
Reprinted above. Then, the work W on the uppermost surface of the work W placed on the first hydraulic lifter 61 A is sucked by the vacuum pad 69 provided in the carry-in loader 67, and the carry-in loader 67.
Is moved to carry in and position the work W on the turret punch press 3 side for processing.

On the other hand, the small product Ws or remainder material W _B taken out from the conveying rollers 25 described above is carried out by positioning grasped out positioning clamp 71 provided on the entrance side of the product yard 57 to the sorting position desired . The carry-out positioning clamp 71 is provided on the X of the ceiling of the product storage area 57.
A carry-out loader 75 having a carry-out positioning clamp 71 is mounted on a loader rail 73 extending in the axial direction, and is provided so as to be movable in the X-axis direction. As shown in FIG. 6, the detailed configuration of the carry-out positioning clamp 71 includes a plurality of clamp members 77 arranged in a row in the Y-axis direction on the carry-out loader 75.
The small product Ws that has been carried out to the position 5 and positioned at the desired position in the Y-axis direction by the pusher device 27 is gripped and carried out in the X-axis direction.

The product storage area 57 has two upper and lower stages. The product pallet 51B is placed on the upper stage and the skeleton box 53 is placed on the lower stage. The skeleton box 53 is placed on the second hydraulic lifter 61B installed on the floor. Placed. A pallet transfer guide rail (not shown) is provided from the upper stage of the product storage area 57 to the material storage area 55. This movement guide rail can be evacuated for each of the material storage area 55 and the product storage area 57 so that the pallet cannot be lifted and lowered. It is desirable to keep it. For example, it is conceivable to rotate the rail member with a cylinder or the like so that the rail surface can be selected between a horizontal position and a retracted position.

Further, the moving guide rail has a pallet traverser 63 provided on the pallet lifter 59 described above.
A self-propelled pallet traverser 79 having the same structure as that of (1) travels and is used to move the product pallet 51B.

With the above-described structure, in order to accumulate the multi-piece small products Ws, the small products Ws that are unloaded onto the transport roller 25 and positioned at the desired position in the Y-axis direction by the pusher device 27 are unloaded and positioned. The small product W is grasped by the clamp member 77 of the clamp 71, and the carry-out loader 75 is moved in the X-axis direction to reach a predetermined position on the product pallet 51B.
carry s to release the clamp. The small products Ws are positioned in the X and Y axis directions and stacked at desired positions, and a plurality of types of small products Ws can be sorted and stacked on one product pallet 51B.

When carrying out the remaining residual material W _B ,
The material pallet 51A is supported by the pallet lifter 59, and the pallet transfer rail is retracted by the material storage area 55 to lower the material pallet 51A. Then, the pallet moving rail is returned to the old position, that is, the horizontal state, and the product pallet 51B is evacuated to the material storage 55 side by the pallet traverser 79.

In this state, the product storage area 57 of the pallet transfer rail is retracted, and the skeleton box 53 mounted on the lower stage is raised by the second hydraulic lifter 61B. Then, gripping the remainder W _B at unloading positioning clamp 71, skeleton Bossu 5 remaining material W _B and carried out to the X-axis direction
Store in 3.

With this operation, the storage of the residual material W _B is completed, and the product pallet 51B and the material pallet 51 are reversed in the reverse order described above.
Return A to the original position and finish the work.

Next, the work transfer device 1 which is the main part of this embodiment will be described in more detail.

Referring to FIGS. 1 and 2, the work transfer device 1 includes a center table 17 and a rear side table 19.
It is provided adjacent to B and is composed of a frame body 80 in the upper and lower two stages. On the upper stage, the conveyor 21 constituted by a chain 83 wound around a large number of sprockets 81 is provided,
The chain 83 is provided with a slat 85 only in a range covering the entire surface of the work transfer device 1 in the X-axis direction.
A supporting device 23 having a plurality of free bearings 87 mounted thereon is provided.

A large number of conveying rollers 25 are arranged in a row in the lower stage. The conveying rollers 25 are, for example, pipe rollers, and one end of the conveying rollers 25 is, for example, a belt 89 wound around as a driving member. The conveyance roller 25 is rotationally driven by the friction of the belt 89. In addition, the front surface of the transport roller 25 (the turret punch press 3
The side) is provided with a tiltable belt conveyor 91, and as a tilting member 93 provided on the front surface side of the support device 23, for example, the tip of a chute can be brought into contact with and separated from the upper surface of the belt conveyor 91. . Further, a box 9 for accommodating small small products Ws is provided below the belt conveyor 91.
5 is mounted on the rail 97 so as to be movable in the Y-axis direction. Furthermore, a pusher device 27 that is movable in the Y-axis direction is provided on the upper surface of the transport roller 25. The pusher device 27 is provided on a pusher plate 99 that operates by a motor or a ball screw, although not shown. Is configured.

With the above-described structure, in order to move the supporting device 23 to the upper surface of the work transfer device 1, the chain 83 is run by the operation of the driving member, which is not shown, so that the slat conveyor 85 is moved to the work transfer device. Cover the entire top surface of 1. Center table 17 in this state
Since the upper surface of the work transfer device 1 is aligned with the work transfer device 1, the moving work W can be supported.

The small product Ws processed by the turret punch press 3 is separated from the work W by the sub cutting punch 13. At this time, the conveyor 21 provided in the work transfer device 1 is returned to the retracted position by the operation of the drive member. That is, the upper part of the work transfer device 1 is opened.

The separated small product Ws falls along the chute which is the tilting member 93 and rides on the belt conveyor 91. By driving the belt conveyor 91, the small product Ws moves onto the conveying roller 25 and is not shown. The driving member is driven to drive the belt 89 to rotate the transport roller 25 and feed it to a stopper (not shown). The small product Ws stopped by the stopper moves the pusher plate 99 to Y by the operation of the motor, which is the pusher device 27, and the ball screw (not shown).
It moves in the axial direction and positions the small product Ws at a desired position. Then, the carry-out positioning clamp 71 is used for the small product W.
s is clamped, carried out to the product storage 57 side and accumulated on the product pallet 51B.

The small product Ws, which is a small product, has a tilting member 9
3 is slid onto the belt conveyor 91, and the belt conveyor 91 is tilted by a driving member (not shown),
The small product Ws, which is a small product on the belt conveyor 91, is stored in the box 95.

As described above, conventionally, the side table is followed by the conveyer and the positioning device in the Y-axis direction.
An X-axis direction positioning and accumulating device was provided subsequent to this positioning device, but since the Y-axis direction positioning device 27 was built in and integrated with the work transfer device 1 as two stages, the line configuration was shortened to save space. be able to.

The present invention is not limited to the above-described embodiments, but can be implemented in other modes by making appropriate changes.

[0038]

As will be understood from the above description of the embodiments, according to the present invention, since the structure is as described in the claims, the product is mounted on the work transfer device.
By integrating and integrating the pusher device for axial positioning, the line structure can be shortened and space can be saved.

[Brief description of drawings]

FIG. 1 is a side view of a work transfer device showing a main part of the present invention.

FIG. 2 is a perspective explanatory view of FIG.

FIG. 3 is an explanatory plan view showing a turret punch press and a work loading / unloading stacking device according to an embodiment of the present invention.

4 is a front explanatory view of FIG. 3. FIG.

5 is an explanatory side view of FIG.

6 is an enlarged perspective explanatory view of a VI arrow portion in FIG.

[Explanation of symbols]

 1 Work transfer device 3 Turret punch press (plate material processing machine) 17, 19A, 19B Center table 21 Conveyor 23 Supporting device 25 Conveying roller 27 Positioning device 29 Work moving and positioning device 93 Tilt member W Work WS Small product

Claims (1)

[Claims] 1. A work moving / positioning device capable of grasping a work carried into a plate material processing machine and moving and positioning the work in the X-axis and Y-axis directions, a center table for supporting the work, and front and rear sides on both sides of the center table. A table is provided, a support device is provided adjacent to the rear side table and the center table, which is flush with the upper surface of the center table, and has a conveyor for supporting a work within a predetermined range. A work transfer device for a plate material processing machine, comprising a transfer roller following the member, and a pusher device for pressing the side surface of the product to move and position the product in the Y-axis direction on the transfer roller.