JPH08622B2 - Work transfer device for sheet metal processing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Object of the Invention (Industrial field of application) The present invention relates to a work transfer device for a sheet metal working machine, and can be used for a sheet metal working machine such as a punching press or a shearing machine.

(Prior Art) A vacuum loader, which is a work transfer device for a sheet metal processing line, that sucks and transfers materials, and an unloader clamp that transfers products processed by the processing device are independent of each other and are transferred separately. It was configured to do.
This is because the material and the product, which are works, are arranged adjacent to each other by a pallet or the like, or are arranged on opposite sides such as front and rear, or left and right with a processing machine interposed therebetween.

(Problems to be solved by the invention) In such a conventional form, since the vacuum loader for transporting the material and the unloader clamp for transporting the product have different configurations, the configuration is complicated, Since these materials and products are placed at different positions, a large area is required in plan view.

The purpose of the present invention is to eliminate these drawbacks,
(EN) Provided is a work transfer device for a sheet metal working machine, which integrates a vacuum loader for adsorbing and transferring a material and a clamp for nipping and transferring a product, simplifying the structure, downsizing, and reducing the cost. .

[Structure of the Invention] (Means for Solving the Problems) In view of the conventional problems as described above, the present invention provides a material pallet on which materials before processing are loaded and a product pallet on which products after processing are placed. A loader body is provided that can reciprocate between the position of the pallet to be positioned and the position above the processing table of the processing device that processes the material, and the material on the material pallet at the pallet position can be adsorbed and lifted. A pallet is provided on the loader main body, and a positioning pallet for adsorbing the material placed on the processing table to perform origin positioning is moved relative to the loader main body in the moving direction of the loader main body. A carry-out clan that is provided on the loader body as much as possible and that holds the edge of the product processed by the processing device on the processing table and discharges it to the product pallet. , Said provided mounted relatively movably loader body in the moving direction of the loader body relative to the loader main body, and the carry-out clamp is made by placing behind the loading pallet.

(Embodiment) An embodiment of the present invention will be described in detail below with reference to the drawings.

A work transfer device used in, for example, a turret punch press as a sheet metal processing machine will be described as an example.

Referring to FIG. 1 and FIG. 2, the predetermined width, length,
And the product pallet 7 in which the product 5 is lifted up and down by the lift 27 at the bottom of the work storage device 25 mainly composed of the frame of height.
A product collecting and collecting room 29 is provided for collecting products. On the upper side of the product stacking chamber 29, there is provided a pallet position 9 for alternately positioning the material pallet 3 on which the material 1 is loaded and the product pallet 7 rising from the product stacking chamber 29.
On the upper side of the pallet position 9, a guide rail 31 is installed horizontally between a turret punch press, which is a processing device 11 on the front side (right side in FIG. 1), and is suspended on the guide rail 31. Loader that can be lowered and moved back and forth (X axis)
A loader chamber 35, in which 33 and 33 are provided, is provided. On the upper side of the loader chamber 35, there are provided pallet shelves 37 for accommodating the material pallets 3 and the product pallets 7 in a freely movable manner.

On the side of the work storage device 25, the material pallet 3,
Further, an elevator 39 for mounting and lifting the product pallet 7 is provided. This elevator 39 is the work storage device 25.
While moving up and down between the pallet rack 37 and the pallet position 9, the transfer of the material pallet 3 to these pallet positions 9,
The product pallet 7 is transferred to the pallet rack 37.

The carry-in pad 17 or the positioning pad 19 attached to the loader 33 is configured to use a vacuum pad, but may be configured to be a magnet type that attracts a sheet metal material by attracting an electromagnet. Loader body 15 of the loader 33
As shown in FIG. 3, FIG. 4 and FIG. 5, there is provided a pinion 41 which is rotated by a drive device 23 composed of a forward / reverse drive motor, and the pinion 41 is connected to the guide rail. It meshes with the rack 43 provided in 31,
Further, it is integrated with the loader body 15 and slidably suspended on the hanger rail 47 by a slider 45.
Is configured to be movable back and forth along the guide rail 31 by driving the pinion 41. A loader beam 49 provided with each loading pad 17 and positioning pad 19 is guided by the upper and lower guides 51 in the loader body 15, and is expanded and contracted by the upper and lower cylinders 53 in the vertical direction (hereinafter, referred to as Z-axis direction). It is provided to move. In addition, the loader body 15 has a carry-out clamp that holds the end edge of the product 5 up and down.
21 is provided so as to be movable in the front-rear direction (hereinafter referred to as the X-axis direction) by a clamp rail 55, and is configured to be moved in the X-axis direction by a rodless cylinder 57.

The loader beam 49 is provided horizontally with respect to the loader body 15 in the left-right direction (hereinafter referred to as the Y-axis direction), the loading pads 17 are hung at fixed intervals, and air is sucked from the vacuum pump. The upper surface of the plate material that is the material 1 can be adsorbed and raised. The loader beam 49 and the loading pad 17
May be arranged in a plurality of rows in addition to a single row. By the expansion and contraction control of the upper and lower cylinders 53, the loader beam 49 is guided by a pair of left and right upper and lower guides 51 and moved up and down by a constant height in a parallel state. Further, the positioning pad 19 is provided at one end of the loader beam 49 so as to face the origin position side of the processing table 13 shown in FIG. 4, and is attached by a bracket 59. Further, as shown in FIG. 5, the positioning pad 19 is provided at the front end of the sliding member 63 which is slidable in the X-axis direction with respect to the bracket 59 and pulled backward by the spring 61. An up-and-down cylinder 65 is provided for supporting and guiding the up-and-down slidable and moving up and down the positioning pad 19. Moreover, the carry-in pad 17
Like the above, the upper surface of the material 1 is sucked. Reference numeral 73 is a moving cylinder of the positioning pad 19, and the positioning pad 19 is moved forward and air is evacuated from the moving cylinder 73 so that the positioning pad 19 is moved by the spring 61.
It is a structure to move 19 back. Also, the carry-out clamp
Reference numeral 21 holds the product 5 from the upper and lower surfaces thereof, and comprises a lower scooping body 67 and an upper pusher 69.
The lower side is attached to a clamp mount 71 which is guided to move along a clamp rail 55 provided in the X-axis direction. The pusher 69 is configured to move up and down by a cylinder 75 to hold the product 5 between the pusher 69 and the scooping body 67.

Between the pallet position 9 and the product accumulation chamber 29, there is a first
As shown in FIG. 6 and FIG. 6, a pair of guide angles 77 are provided at the front and the rear so as to be rotatable up and down, and the guide angle 77 is supported by the cylinder 79 by the expansion and contraction control of the cylinder 79 (see FIG. 6). (Refer to FIG. 7), the product pallet 7 is retracted to a position where it can move up and down. When the product pallet 7 is lifted and lowered by the lift 27, the left and right guide angles 77 are moved to the retracted posture B to support the material pallet 3, the product pallet 7 and the like, and when the material pallet 3 is guided to move, the supporting posture is provided. The configuration is A.

Between the pallet position 9 and the loader chamber 35, there is provided a hoisting roller 81 that reciprocates horizontally in the X-axis direction. By moving the hoisting roller 81 forward, the material pallet at the pallet position 9 is moved. The uppermost material 1 on 3 is scooped up and separated from the lower material 1, and the scooped material 1 is conveyed forward. The scooping roller 81 is provided between the pair of left and right chains 83 at a constant interval in the front-rear direction and substantially the same length as the front-rear width of the pallet position 9, and is stretched by a sprocket 85 and reciprocally rotated by a motor 87 for a constant length. Controlled.

On the front side (right side in FIG. 1) of the storage device 25, an intermediate table 93 is provided on substantially the same plane as the scooping roller 81, and in front of this, a work of a processing device 11 such as a turret punch press. A table 13 is provided. An X-axis positioning pin 89 for positioning the origin, which projects upward from the lower side, and a processing clamp 91 for positioning the Y-axis are provided on one side of the rear end of the processing table 13. By abutting the rear end edge and the lateral end edge of the material 1 carried onto the processing table 13 against these positioning pins 89, the processing clamp 91, etc., the origin position of the processing start of the material 1 can be determined. On the Y-axis positioning side of this processing table 13,
The material clamp 1 that holds the lateral end of the material 1 to control the processing movement is provided, and the material 1 is loaded by the loader 33.
Holding and inheriting the processed product 5
It is designed to be handed over to 33.

 With the above configuration, the operation of this embodiment will be described.

The material pallet 3 in which the sheet metal materials 1 are stacked is accommodated in the pallet shelf 37 of the work storage device 25, and the product pallet 7 is placed on the lift 27. In this state, the material 1 is carried in between the work storage device 25 and the processing device 11 and the product 5 is carried out by the following steps.

(1) Descent of elevator 39: Pallet rack 37 of storage device 25
The material pallet 3 on which a predetermined material 1 (for example, a wide material) is loaded is pulled out by the drawer device provided in the pallet elevator 39, placed on the elevator 39, and lowered to the pallet position 9.

(2) Pallet position 9 of the material pallet 3: The material pallet 3 is moved to this elevator by stopping the elevator 39 from descending.
It is moved and placed on the guide angle 77 at the pallet position 9 by the extrusion device provided at 39. The elevator 39 stops facing the pallet position 9.

(3) Lowering of the loader 33: The loader beam 49 of the loader 33, which was standing by in the upper portion of the loader chamber 35, is lowered by the upper and lower cylinders 53, and the loading pad 17 is brought into contact with the uppermost material 1 upper surface on the material pallet 3. And suck it by suction. At this time, the positioning pad 19 may be sucked at the same time.

(4) Lifting of the loading pad 17: When the loading pad 17 that has adsorbed the material 1 is slightly lifted by the upper and lower cylinders 53,
The rear end of the material 1 is slightly floated from the upper surface of the lower material 1 to form a gap.

(5) Separation and loading of the material 1: By the driving of the motor 87, the scooping roller 81 located at the rear lower position of the pallet position 9
Is rotated forward, the scooping roller 81 causes the lower layer material 1
It is intervened in the gap part of the lower surface of the uppermost material 1 which has been levitated.

The uppermost material 1 is placed on the upper surface and separated from the lower material 1 surface, and then conveyed to the front working table 13 side. At the same time, the loader 33 sucked by the carry-in pad 17 is guided by the guide rail 31 by the rotational drive of the pinion 41 by the drive device 23 and synchronously moves in the same direction, so that the material 1 is placed on the working table 13. Carry in. After loading, the scooping roller 81 is pulled back to the lower rear portion of the pallet position 9.

(6) Origin positioning set: loader 33 is the processing table
When the material 1 is loaded onto the upper surface of the processing table 13, the X-axis positioning pin 89 projects onto the upper surface of the processing table 13. The machining eclamp 91 stands by at the Y-axis positioning position.

(7) Origin positioning of the positioning pad 19: The material 1 carried in by the loader 33 is guided to the processing clamp waiting on the side of the processing table 13, and the suction of each carrying pad 17 is released, and the positioning pad is positioned. 19 is moved down by the upper and lower cylinders 65 to be attracted to the upper surface of the material 1, and the moving cylinder 73
By the pulling action of the spring 61, the spring 61 is slightly moved to the rear side. As a result, the vertical and horizontal edges of material 1 are aligned with the X-axis positioning pins.
Even if it is in a deviated state where it does not accurately contact 89 or the machining clamp 91, it is accurately butted and the origin position is determined.

(8) Machining by clamping the machining clamp 91: When the origin positioning is completed, the machining clamp 91 clamps the material 1, the suction of the positioning pad 19 is released, and the upper and lower cylinders 65 raise it slightly. The processing clamp 91 is subjected to predetermined processing by the processing device 11 while being controlled to move together with the movable table of the processing table 13 while holding the material 1.

(9) Retracting and Standby of Loader 33: The loader 33 carries the material 1 onto the upper surface of the processing table 13 and, after carrying out the replacement by the processing clamp 91, moves back onto the intermediate table 93 and waits for a moment.

(10) Pallet position 9 on the product pallet 7: While the material 1 is processed by the processing device 11 as described above, the material 1 at the uppermost part is separated and loaded by the loader 33 in the step (2). The pallet 3 is guided by the guide angle 77 in the supporting posture A as shown in FIGS. 6 and 7, and is transferred to the elevator 39 waiting on the side, and the guide angle 77 is laterally moved by the cylinder 79. Turn to and retract position B
And lift 27 to palletize product pallet 7 in product accumulation room
29 to the pallet position 9 and the guide angle 77
Is returned to the support posture A, the lift 27 is slightly lowered, and the product pallet 7 is placed on the guide angle 77. In this way, the material pallet 3 is placed at the pallet position 9.
And product pallet 7 are replaced.

(11) Advance of loader 33: When the processing by the processing device 11 is completed, the loader 33 waiting on the upper part of the intermediate table 93
Is moved again onto the processing table 13. This loader 33
The carrying-out clamp 21 holds the rear end of the processed product 5 held by the processing clamp 91, and releases the holding by the processing clamp 91 after the replacement.

(12) Retraction of loader 33: When the carry-out clamp 21 holds the product 5, the loader 33 is guided to the guide rail 31 and retracted to the pallet position 9. The product 5 may be sucked by the carry-in pad 17 when the loader 33 is retracted.

(13) Releasing holding of the carry-out clamp 21: When the holding of the carry-out clamp 21 is released by returning the loader 33 to the pallet position 9, the product 5 is placed on the upper surface of the product pallet 7 waiting on the lower side. The loader 33 waits in the upper loader chamber 35 on the rear side of the pallet position 9.

(14) Lowering of the product pallet 7: The lift 27 is slightly raised and lifts the product pallet 7 on the guide angle 77. The guide angle 77 in the support posture A is switched to the retracted posture B. When the product pallet 7 is lowered by the lift 27, the product pallet 7 passes through this guide angle 77 part and the product accumulation chamber
It is descended to 29. Guide angle 77 is again in support position A
Return to.

(15) Pallet position 9 on the material pallet 1: the above process (2)
Elevator waiting on the side by the action of
From 39, the material pallet 3 is again guided by the guide angle 77 and moved to the pallet position 9, and the backward movement with the product pallet 7 is completed.

(16) Steps (1) to (15) are repeated; thereafter, the material 1 by the loader 33 is repeated while repeating the steps (1) to (15).
Are alternately carried out and the products 5 are unloaded, and the processing of all the materials 1 stacked on the material pallet 3 is completed.

(17) Storage of product pallet 7: When the last product 5 is placed on the upper layer of the product pallet 7 in this manner, it is transferred to the elevator 39 on the side and lifted up to a predetermined pallet rack 37 for storage. The elevator 39 places a new material pallet 3 and supplies it to the pallet position 9.

(18) When the material 1 is small: If the material 1 placed on the upper surface of the material pallet 3 is small, for example, if the materials 1 are stacked side by side on the upper surface of the same material pallet 3, the material pallet 3 at the pallet position 9 The material suction position of the loader 33 and the material loading position of the loader 33 with respect to the product pallet 7 are determined for the front part and the rear part, respectively. That is, the material 1 at the front position of the material pallet 3 is loaded as the product 5 at the front position or the rear position of the processed product pallet 7, and the material 1 at the rear position is the rear position or the front part of the product pallet 7. The product is loaded in the position.

In the case where the material 1 is narrow, the material pallet 3 and the product pallet 7 are exchanged at the pallet position 9 by switching the transport control mode of the wide plate mounting mode to the transport control mode of the sandwich plate mounting mode. The control configuration is such that the material pallet 3 is carried into the processing device 11 and the product 5 is carried out from the processing device 11 with the material pallet 3 still in the pallet position 9 without performing Good.

At this time, for example, the material pallet 3 at the pallet position 9
The material 1 is loaded on the first half of the table, and the material table 1 is processed by the loader 33 in the same manner as described above.
The product 5 after being processed is loaded onto the latter half of the material pallet 3. Material palette 3
After processing all the raw materials 1, the material pallet 3 on which the product 5 is placed is used as a product pallet and lifted to a predetermined pallet rack 37 by the elevator 39 to be stored.

[Effects of the Invention] As will be understood from the above description of the embodiments, in short, the present invention places the material pallet (3) loaded with the material (1) before processing and the product (5) after processing. Loader main body that can reciprocate between a pallet position (9) for positioning the product pallet (7) and a position above the processing table (13) of the processing device (11) for processing the material (1). (15) is provided, a loading pallet (17) is provided in the loader main body (15), which is capable of adsorbing and lifting the material (1) on the material pallet (3) at the pallet position (9), and also at the processing table. (13) Positioning pallet (19) for adsorbing the material (1) placed on it and positioning the origin
To the loader body (15)
Loader body (15) that can move relatively in the direction of 5)
And a carry-out clamp (2) for holding the end edge of the product (5) on the processing table (13) processed by the processing device (11) and discharging it to the product pallet (7).
1) so that it can be moved relative to the loader body (15) in the moving direction of the loader body (15).
5) Installed on the above, and the above-mentioned discharge clamp (21),
It is arranged behind the carry-in pallet (17).

As is apparent from the above configuration, in the present invention, the material 1 at the pallet position 9 is attracted to the loader body 15 which can reciprocate between the pallet position 9 and the position above the processing table 13 in the processing device 11. Carry-in pad 17 that can be lifted freely
Is attached, and a positioning pad 19 for adsorbing the material 1 placed on the processing table 13 and performing origin positioning is attached so as to be movable relative to the loader body 15. Further, an unloading clamp 21 that holds the edge of the product 5 processed by the processing device 11 and unloads the product 5 to the pallet position 9 is movably attached to the loader body 15. Moreover, the carry-out clamp 21 is arranged at the rear position of the carry-in pad 17.

Therefore, according to the present invention, it is possible to arrange the material 1 and the product 5 at the pallet position 9, and it is needless to say that the entire occupying area can be reduced. Material 1 by Pat 17
When picking up and lifting the material, the carry-out clamp 21 can be kept in the retracted position, and the material 1 and the carry-out clamp 21
It is possible to easily avoid interference with the material 1 and to reliably carry in the material 1 by the carry-in pad 17.

In addition, since the positioning pad 19 is attached to the loader body 15, after the material 1 is loaded onto the processing table 13 of the processing device 11 by being sucked by the loading pad 17, the positioning pad 19 is placed on the processing table 13. The origin 1 can be immediately positioned by adsorbing the material 1, and the origin 1 of the material 1 on the processing table 13 can be quickly positioned.

Further, the carry-out clamp 21 for carrying out the product 5 processed by the processing device 11 holds the end edge of the product 5 and is movable relative to the loader main body 15. Even if the product pad 5 cannot be sucked up and picked up by the carry-in pad 17 due to hole processing or the like, the end edge of the product 5 is moved by advancing the carry-out clamp 21 toward the carry-in pad 17. The product 5 can be reliably held, and the product 5 can be reliably carried out.

[Brief description of drawings]

FIG. 1 is a side view of a work transfer device of a sheet metal working machine according to the present invention, FIG. 2 is a rear view of FIG. 1, FIG. 3 is an enlarged detailed view of an arrow III view in FIG. 1, and FIG. Is a front view in FIG. 3, FIG. 5 is a plan view in FIG.
FIG. 6 is an enlarged detailed view of a VI arrow portion in FIG. 1, and FIG. 7 is an operation explanatory view of FIG. 1 …… Material, 3 …… Material pallet 5 …… Product, 7 …… Product pallet 9 …… Pallet position, 11 …… Processing device 13 …… Processing table, 15 …… Loader body 17 …… Loading pad, 19… … Positioning pad 21 …… Unloading clamp, 23 …… Drive device

Claims (1)

[Claims] 1. A pallet position (9) for positioning a material pallet (3) loaded with a material (1) before processing and a product pallet (7) for mounting a product (5) after processing, and the material. A loader main body (1) that can reciprocate between an upper position of a processing table (13) of a processing device (11) that performs the processing (1).
5) is provided, a loading pallet (17) is provided on the loader main body (15), which is capable of adsorbing and lifting the material (1) on the material pallet (3) at the pallet position (9), and at the same time the processing table ( 13) Positioning pallet (19) for adsorbing the material (1) placed on it and positioning the origin
To the loader body (15)
Loader body (15) that can move relatively in the direction of 5)
And a carry-out clamp (2) for holding the end edge of the product (5) on the processing table (13) processed by the processing device (11) and discharging it to the product pallet (7).
1) so that it can be moved relative to the loader body (15) in the moving direction of the loader body (15).
5) Installed on the above, and the above-mentioned discharge clamp (21),
A work transfer device for a sheet metal working machine, characterized in that the work transfer device is arranged behind the carry-in pallet (17).