JP2000016517A - Work carrier device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten a time required for exchanging a pallet in the case where a work is taken out from a plate-shaped work storage shelf and transfers it to a plate material processing machine, and moreover a work processed in the plate material processing machine is received into the plate-shaped work storage shelf. SOLUTION: A multistep-type plate-shaped work receiving shelf 1 where pallets PW, PG having a loaded work W or a product G are received is erected, and a pallet elevating means 7 is provided on the one side of the plate-shaped work storage shelf 1, and a plurality of trucks 41A, 41B different in the height of a pallet support face is adjacentably provided on the pallet elevating means 7, which is provided with a traverser 19 movable toward the plate-shaped work storage shelf 1 and the trucks 41A, 41B, and the traverser 19 is equipped with a hook which can engage on either side of the shelf and the truck of the pallets PW, PG.

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 transferring a work from a plate-like work storage shelf to a plate-working machine and storing a product processed by the plate-working machine in the plate-like work storage shelf.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 3, a multi-stage plate-like work storage shelf 101 is provided upright. The plate-like work storage shelves 101 are arranged in multiple rows in the Y-axis direction (the direction orthogonal to the paper surface in FIG. 3). The plate-like work storage shelf 101 is composed of a frame 103 having a frame, and a plurality of shelves 105 are provided at appropriate intervals in the vertical direction of the frame 103. Each shelf 105
The pallet P on which the work W is loaded and the pallet P on which the processed product G is accumulated are stored on the upper side.

A crane 107 is arranged on one side, for example, on the right side of the plate-like work storage shelf 101, and is movable in the Y-axis direction. That is, an inverted L-shaped moving frame 109 movable in the Y-axis direction and extending in the vertical direction.
Is provided. A guide rail 111 extending in the Y-axis direction is laid on the floor below the moving frame 109, and a guide rail 113 extending in the Y-axis direction is laid on the right side of the frame 103.

[0006] A plurality of rotatable rollers 115 are provided below the moving frame 109, and each of the rollers 115 rolls on the guide rail 111. Horizontal portion 109A of the moving frame 109
A slider 117 is provided at a lower part of the guide rail 113 so that the slider 117 slides on the guide rail 113.

The movable frame 109 is provided with a lifter 119 which can move up and down. The lifter 119 is mounted on a sprocket 12 provided above and below the movable frame 109.
It is attached to a part of a chain 125 wound around 1,123. The lifter 119 is provided with a traverser 127 that can move in the X-axis direction (the left-right direction in FIG. 3), which is a direction approaching or moving away from the plate-shaped work storage shelf 101.

[0006] A movable conveyor 129 for transporting the workpiece W or the processed product G is provided at the lower right side of the crane 107 in FIG.

With the above configuration, the moving frame 109 is Y
The workpiece W is moved in the axial direction and moved and positioned at the row where the desired work W is stored. That is, as the roller 115 moves on the guide rail 111 and the slider 117 slides on the guide rail 113, the moving frame 109 moves smoothly in the Y-axis direction.

After the moving frame 109 is positioned in a desired row, the chain 125 moves to lifter 119
Is moved and positioned at a desired step. Next, the traverser 127 approaches the shelf 105 side, and the hook of the traverser 127 engages with the pallet P on the shelf 105. Next, the traverser 127 returns onto the lifter 119, and the pallet P also moves onto the lifter 119.

When the lifter 119 is lowered to the lowest stage,
The pallet P can be lowered from the lifter 119 and conveyed to, for example, a plate processing machine by the conveyor 129. The pallet P on which the processed products G are accumulated is stored in the empty shelf 105 by the reverse operation.

[0010]

By the way, according to the above-mentioned conventional technique, unless the lifter 119 is at the lowest stage, the pallet P on which the work W is loaded and the pallet P on which the product G is accumulated are loaded and unloaded. Can not. Further, the pallet P on which the products G are accumulated is temporarily stored in the shelf 1 of the plate-like work storage shelf 101 once.
The work W to be processed next cannot be carried out of the plate-like work storage shelf 101 unless the work W is stored in the work storage shelf 101.
Therefore, there is a problem that it takes time to change the pallet P.

An object of the present invention is to reduce a pallet replacement time when a work is taken out from a plate-like work storage shelf and transported to a plate-working machine, and a product processed by the plate-working machine is stored in the plate-like work storage shelf. It is an object of the present invention to provide a work transfer device which is designed to be confused.

[0012]

According to a first aspect of the present invention, there is provided a work transfer device according to the present invention, wherein a multi-stage plate-like work storage shelf for storing a pallet on which a work or a product is placed is provided. In other words, a pallet elevating means is provided on one side of the plate-like work storage shelf, a plurality of carts having different pallet support surface heights are provided adjacent to the pallet elevating means, and the plate-like work storage shelf is provided on the pallet elevating means. And a traverser that can move to the side of the pallet and the trolley. The traverser is provided with a hook that can be engaged with either the shelf side or the trolley side of the pallet.

Therefore, the pallet elevating means is moved up and down to move and position at a desired stage of the multi-stage plate-like work storage shelf. The traverser is moved to the shelf side, the hook on the shelf side is engaged with the pallet on which the work is loaded, the traverser is moved to the trolley side, and the pallet is transferred to pallet elevating means.

Next, after the hook on the shelf side is removed from the pallet, the hook on the trolley side is engaged with the pallet, and then the traverser is moved to the trolley side to transfer the pallet to one of a plurality of trolleys. .

The cart on which the pallets are placed is carried to, for example, a plate processing machine, and the plate processing is performed. While this plate material processing is being performed, the pallet on which the next work is loaded is placed on another carriage in the same manner as the above operation. One of the carts on which the pallets on which the processed products are accumulated is moved to the plate-like work storage shelf, and the other cart on which the pallets on which the next work is loaded is moved to the plate material processing machine. Then, the product on the pallet on one of the carts is stored in the plate-like work storage shelf by the operation opposite to the above-described operation, and the next work is processed by the plate processing machine.

As described above, the storage of the pallets in which the processed products are accumulated and the transport of the pallets of the next work are performed at the same time, and the pallet replacement time is shortened as compared with the conventional case.
Thus, the productivity can be improved.

According to a second aspect of the present invention, there is provided a work transfer apparatus according to the first aspect, wherein the plurality of trolleys include a first trolley having a wide width and a high pallet support surface, and a narrow pallet support surface having a low pallet support surface. And a second carriage that can be immersed below the first carriage with a pallet mounted thereon.

Therefore, the pallet on which the processed products are accumulated, for example, is supported on the pallet support surface of the first bogie, and the pallet on which the next work is loaded, for example, is supported on the pallet support surface of the second bogie. To shelf side, second
When the truck is moved to the plate material processing machine side, the second truck can pass below the first truck, so that the moving route can be minimized and the pallet replacement time can be further reduced.

[0019]

Embodiments of the present invention will be described below in detail with reference to the drawings.

Referring to FIG. 1, a multi-stage plate-like work storage shelf 1 is provided upright. This plate-shaped work storage shelf 1 is Y
They are arranged in multiple rows in the axial direction (the direction perpendicular to the plane of FIG. 1). The plate-like work storage shelf 1 is composed of a framed frame 3, and a plurality of shelves 5 are provided at appropriate intervals in the vertical direction of the frame 3.
The on each shelf 5 in which the pallet P _G with an integrated pallet P _W and processed products G loaded with workpiece W is accommodated.

On one side, for example, on the right side of the plate-like work storage shelf 1, a crane 7 constituting a part as pallet elevating means is arranged, and is movable in the Y-axis direction. That is, an inverted L-shaped moving frame 9 movable in the Y-axis direction and extending in the up-down direction is provided. A guide rail 11 extending in the Y-axis direction is laid on the floor below the moving frame 9 and the frame 3
A guide rail 13 extending in the Y-axis direction is laid on the upper right side.

A plurality of rotatable rollers 15 are provided below the moving frame 9.
Is adapted to roll on the guide rail 11. A slider 17 is provided below the horizontal portion 9 </ b> A of the moving frame 9, and the slider 17 slides on the guide rail 13.

The moving frame 9 is provided with a lifter 19 which can move up and down. The lifter 19 is a part of a chain 25 wound around sprockets 21 and 23 provided above and below the moving frame 9. Mounted on A drive motor 27 is connected to the sprocket 21. The lifter 19 is provided with a traverser 29 which can move in an X-axis direction (a left-right direction in FIG. 1) which is a direction approaching / separating from the plate-like work storage shelf 1 in a self-propelled manner.

As shown in FIG. 2, a traverser rail 31 extending in the left-right direction is laid below the lifter 19, and a pallet support member 33 is provided above the lifter 19 in the left-right direction. It is provided to be stretched. Shelf 5 side to the traverser 29, on both sides on the pallet P _W on the opposite side, P _G engaging hook 35A, 35B
Is provided. The hooks 35A and 35B are rotatable with respect to the traverser 29 by hinges.
A cam follower 37 can be moved forward and backward by a cylinder 39 below A and 35B. As the cam follower 37 enters the operation of the cylinder 39, the hook 37 is the pallet P _W rotates upward, so as to engage the P _G.

Referring again to FIG. 1, a bogie 41 is provided on the right side of the crane 7 in FIG. Further on the right side of the carriage 41 is a single work take-in / out device 4.
3 and a work piece take-in / carry-in device 43
A turret punch press 45 as an example of a plate processing machine is provided on the right side of FIG.

The carriage 41 comprises a first carriage 41A which is wide and has a high pallet support surface, and a second carriage 41B which is narrow and has a low pallet support surface. The first carriage 41A even when the second carriage 41B is loaded with the pallet P _W or P _G
Can be immersed below. That is, the second carriage 4
The lifter 47 constituting 1B is immersed below the first bogie 41A with the pantograph folded, and the lifter 47
Is raised, the height of the narrow pallet support surface of the second carriage 41B can be the same as the height of the wide support surface of the first carriage 41A when outside the first carriage 41A.

A guide rail 49 is provided upright as the single work take-in / out device 43, and the guide rail 49 is provided with a loader traveling body 51 which is self-propelled and movable in the left-right direction in FIG. ing. A vertical cylinder 53 is attached to a lower portion of the loader traveling body 51, and a lower end (tip) of a piston rod 55 attached to the vertical cylinder 53 is provided with a stretch 57. Is provided with a suction pad 59.

Since the turret punch press 45 is already known, a detailed description of its structure is omitted, but the punch P and the die D mounted on the upper and lower turrets 61 and 63 and the die D cooperate to punch the work W. Processing is performed.

With the above configuration, the moving frame 9 is moved in the Y-axis direction and moved and positioned at the row where the desired work W is stored. That is, as the roller 15 moves on the guide rail 11 and the slider 17 slides on the guide rail 13, the moving frame 9 is smoothly moved in the Y-axis direction.

After the moving frame 9 is positioned in a desired row, the driving motor 27 is driven to
The lifter 19 is moved and positioned at a desired stage by the movement of the chain 25. Next, the traverser 29 approaches the shelf 5 side, and the hook 35A of the traverser 29 is engaged with the pallet _PW on the shelf 5. Next, the traverser 29 returns to the position on the lifter 19, and the pallet _PW also moves onto the lifter 19.

On the right side of the crane 7 in FIG. 1, a first truck 41A is standing by next. The lifter 19
The truck 35A is lowered to the height of the wide support surface, and the hook 35A of the traverser 29 is once removed from the pallet _PW . The traverser 29 is on the opposite side of the pallet _PW (the shelf 5 side)
Then, the hook 35B on the opposite side is engaged with the shelf of the pallet _PW . When the traverser 29 moves to the first bogie 41A again, the pallet P _W is moved to the first bogie 41A.
Transfer to the top and remove the hook 35B.

The punch P of the turret punch press 45
The product G punched by the cooperation of the die D and the work D is a second carriage 41B having a narrow pallet support surface located below the single work take-in / out device 43 and a pre-working work (product) thereon. the pallets P _G moves towards the crane 7, moving the pallet P _G for the next machining the workpiece W on the first carriage 41A and high broad pallet supporting surface towards the device 43 loading and unloading one up work I do.

As described above, the second carriage 41B having a narrow narrow pallet support surface is connected to the first carriage 4 having a wide wide pallet support surface.
Since it is possible to pass through 1A, it is possible to make a mistake without making a detour on the way. Lifter 19 of crane 7
Is lowered to the height of the lower second carriage 41B of the narrow pallet supporting surface, the hook 35B of the traverser 29 engages the pallet P _G product G, pull the pallet P _G onto the lifter 19. The lifter 19 moves to a suitable empty shelf 5. Hook 35B of the traverser 29 releases the pallet P _G, moves the traverser 29 to the opposite side, the opposite side of the hook 35A is engaged with the back pallet P _G, traverser 29 is moved to the rack 5 side, the pallet P _G is It will be stored in the shelf 5.

In this way, the pallet P _G can be stored and the pallet P _W of the next work W can be transported at the same time.
The exchange time of the pallets P _W and P _G can be reduced. Thus, productivity can be improved.

The present invention is not limited to the above-described embodiment, but can be embodied in other forms by making appropriate changes. Although a turret punch press has been described as an example of a plate processing machine, other plate processing machines such as a simple punch press or a laser processing machine may be used.

[0036]

As will be understood from the above description of the embodiment of the invention, according to the first aspect of the present invention, the pallet elevating means is moved up and down to provide a desired multi-stage plate work storage shelf. Move to the step and position it. The traverser is moved to the shelf side, the hook on the shelf side is engaged with the pallet on which the work is loaded, the traverser is moved to the trolley side, and the pallet is transferred to pallet elevating means.

Next, after removing the hook on the shelf side from the pallet, the hook on the trolley side is engaged with the pallet, the traverser is moved to the trolley side, and the pallet is transferred to one of the plurality of trolleys. .

The carriage on which the pallets are placed is transported to, for example, a plate processing machine to perform plate processing. While this plate material processing is being performed, the pallet on which the next work is loaded is placed on another carriage in the same manner as the above operation. One of the carts on which the pallets on which the processed products are accumulated is moved to the plate-like work storage shelf, and the other cart on which the pallets on which the next work is loaded is moved to the plate material processing machine. Then, the product on the pallet on one of the carts is stored in the plate-like work storage shelf by the operation opposite to the above-described operation, and the next work is processed by the plate processing machine.

As described above, the storage of the pallet in which the processed products are accumulated and the transport of the pallet of the next work can be performed at the same time, and the pallet replacement time can be reduced as compared with the conventional case. Thus, productivity can be improved.

According to the second aspect of the present invention, the pallet on which the processed products are accumulated is supported on the pallet support surface of the first carriage, and the pallet on which the next work is loaded is supported on the pallet support surface of the second carriage. At least, when moving the first bogie to the shelf side and the second bogie to the plate material processing machine side, the second bogie can pass below the first bogie, so that the moving route can be minimized and the pallet exchange time can be shortened. It can be further shortened.

[Brief description of the drawings]

FIG. 1 is a front view illustrating a work transfer device of the present invention.

FIG. 2 is an enlarged view of a part viewed from an arrow II in FIG.

FIG. 3 is a front view illustrating a conventional work transfer device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 plate-shaped work storage shelf 5 shelf 7 crane (pallet elevating means) 9 moving frame 29 traverser 35A, 35B hook 41 cart 41A first cart 41B second cart 43 single work take-in / out device 45 turret punch press (plate material processing machine) )

Claims (2)

[Claims] 1. A multi-stage plate-shaped work storage shelf for storing a pallet on which a work or a product is placed is erected, and a pallet elevating means is provided on one side of the plate-shaped work storage shelf.
A plurality of pallets having different pallet supporting surface heights are provided adjacent to the pallet elevating means, and a traverser is provided on the pallet elevating means so as to be movable to the plate-like work storage shelf side and the trolley side. A work transfer device comprising a hook that can be engaged on either the side or the trolley side. 2. A plurality of trucks, a first truck having a wide width and a high pallet supporting surface, and a second truck having a narrow width and a low pallet supporting surface and being immersed below the first truck while a pallet is placed thereon. 2. The work transfer device according to claim 1, further comprising a carriage.