JP2001146318A - Plate stacking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plate stacking device capable of stacking plates in order while preventing the formation of flaws in them. SOLUTION: A fork 33 is moved up and down by a vertical moving means 17 to pick a product P after work onto a conveying member 33 of the fork 33, and the fork 33 is moved above a stacking carriage 17 by a horizontal moving means 13, so the product P is stacked on the stacking carriage 17. At this time, the fork 33 is retracted, while the conveying member 33 is advanced in the direction opposite to it at the same speed with retracting speed of the fork 33, so the product P is dropped onto the stacking carriage 17 to be stacked.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet material accumulating apparatus for accumulating sheet materials processed by a sheet material processing machine such as a laser beam machine.

[0002]

2. Description of the Related Art Conventionally, in a fork-type laser line for retrieving a workpiece after processing on a processing table, that is, a product P with a fork, and carrying it out, FIG.
As illustrated in FIG.
As a method of accumulating the above products P on the pallet 103,
The fork 103 is lowered from above, and the stopper pin 105 of the pallet 103 is moved between the forks 101 and the product P
When the fork 101 is moved backward (or the pallet 103 is moved forward), the product P is brought into contact with the stopper pin 105 and dropped to accumulate.

[0003]

However, such a conventional technique has a problem that the lower surface of the product P may be rubbed and damaged by the fork 101 when the fork 101 is relatively moved backward. is there.

[0006] As shown in FIG. 6, when there is a skeleton, when the fork 101 is retracted, the product P is dragged under the skeleton and falls as it is. Accumulate and accumulate. In the case of skeletonless integration, since there is no support for the product P, the stopper pins 10
There is a problem that it is accumulated on the 5 side and cannot be collected in an orderly manner.

SUMMARY OF THE INVENTION An object of the present invention is to pay attention to the above-mentioned problems of the prior art, and to provide a plate material accumulating apparatus capable of preventing abrasion at the time of accumulating and accumulating in order. It is in.

[0006]

According to a first aspect of the present invention, there is provided a sheet material accumulating apparatus for picking up a work after machining with a fork and carrying out / accumulating the sheet material. Horizontal moving means for reciprocating the fork in the unloading direction and the unloading direction, up and down moving means for vertically moving the fork, and rotatable along the longitudinal direction of the fork at a position above the upper end surface of the fork And a stacking cart for stacking the processed workpiece.

Accordingly, the fork is moved up and down by the vertical moving means and moved by the horizontal moving means to scoop up the processed work, that is, the product on the conveying member of the fork, and the fork is moved upward by the horizontal moving means. The product is moved to a predetermined height by the vertical moving means, and the transport member is caused to travel, so that the products are stacked on the stacking cart. At this time, the fork is retracted and the transport member is relatively advanced, so that the product is dropped on the stacking cart.

According to a second aspect of the present invention, there is provided the sheet material accumulating apparatus according to the first aspect, wherein:
A chain wound around a driving sprocket and a driven sprocket provided at a base end and a tip end of the fork, and driven by a motor.

Therefore, the chain on which the product is placed is rotatably supported by the driving sprocket and the driven sprocket provided at the base end and the tip end of the fork.

[0010] According to a third aspect of the present invention, in the sheet material accumulating apparatus according to the first or second aspect, the transport member accumulates the processed work accommodated on the transport member on the accumulating carriage. In this case, the fork is controlled so as to travel forward in the opposite direction at the same speed as the speed of retreating the fork.

Therefore, the fork is retracted when the work, that is, the product placed on the transport member of the fork, that is, the product, is accumulated on the accumulation truck, but the transport member is moved in the opposite direction at the same speed as the retreat speed of the fork. The product is dropped on the stacking trolley and collected.

[0012]

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

FIG. 2 shows a plate material accumulating apparatus 1 according to the present invention.
Is provided adjacent to the laser beam machine 3. Here, since the laser beam machine 3 is well known from the past, only the outline will be described.

In the laser processing machine 3, a laser processing head 5 for irradiating a laser beam is provided so as to be movable and positioned in a Y-axis direction (left and right directions in FIG. 2) by a motor (not shown) and a Y-axis moving mechanism such as a ball screw. I have.

Below the laser processing head 5, a processing table 11 is moved along a guide rail 9 provided on the bed 7 in the X-axis direction (the direction perpendicular to the plane of FIG. 2).
It is provided so that positioning is possible. A large number of support members 13 such as, for example, sword mountains are provided on the upper surface of the processing table 11, and the lower end of the work W is supported at the tip of the support member 13. Accordingly, the processing table 11 places the work W on the tip of the support member 13 and moves by the X-axis moving mechanism 15 such as a motor and a ball screw.

In the vicinity of the laser beam machine 3, a stacking cart 17 for stacking the products P is provided movably, and a stopper pin 19 is provided on the stacking cart 17 upward. Further, a slide rail 21 is provided so as to straddle the accumulation cart 17 and the processing table 11.

Referring to FIG. 1, the slide rail 2
1 is provided with an unloader 25 which is self-propelled along the slide rail 21 by a self-propelled motor 23 which is a horizontal moving means. The unloader 25 is provided with a cylinder 27 as a vertical movement means in the vertical direction, and a stretch frame 31 is attached to a lower end of a piston rod 29 of the cylinder 27.

The fork 33 is provided on the stretch frame 31.
Are provided in the horizontal direction. A drive sprocket 37 is attached to the drive shaft 35 at the base end of the fork 33.
, And is driven to rotate by a motor 39.
A driven sprocket 41 is provided at the tip of the fork 33.
Are provided rotatably.

A chain 43 as a conveying member is wound around the driving sprocket 37 and the driven sprocket 41. As shown in FIG. Also protrude upward and rotate. Thereby, the product P
The product P does not rub against the fork 33 even when the chain 43 on which the The chain 43 running on the upper side
Is supported by a support member 47 so as to be able to run from below so that the chain 43 does not bend when the product P is placed thereon.

Next, with reference to FIGS. 2 to 4, an operation of accumulating the products P by the above-described plate material accumulating apparatus 1 will be described.

Referring to FIG. 2, when the machining by the laser beam machine 3 is completed, the unloader 25 is moved to the slide rail 21.
The fork 33 is lowered to an appropriate position by the cylinder 27, and the fork 33 is inserted between the support members 13 to 13 so that the product P (the processed workpiece W ).

The product P is scooped by raising the fork 33 by the cylinder 27, and the unloader 25 is moved by the self-propelled motor 23 along the slide rail 21 in the unloading direction to move above the stacking cart 17.

Referring to FIG. 3 and FIG.
7 to move the fork 33 up and down.
Is positioned so that the height of the upper chain 43 is between the uppermost surface of the products P already accumulated on the accumulation cart 17 and the upper end surface of the stopper pin 19.

While moving the fork 33 backward (moving in the middle right direction in FIGS. 3 and 4) at this height, in the opposite direction (middle left direction in FIGS. 3 and 4) at the same speed as moving the fork 33 backward. When the chain 43 is rotated (forward traveling), the product P on the chain 43 is actually stopped at the same position, but the fork 33 is retracted, so that the product P remains on the chain 43 as it is. Is stacked on the stacking cart 17 in an orderly manner.

From the above results, the chain 43 on which the product P is placed is moved forward in the opposite direction in accordance with the retreat speed of the fork 33, so that the product P is moved relatively to the Trolley 17 without rubbing
Will be integrated. For this reason, when it falls from the fork 33 to the accumulation | aggregation cart 17, it can prevent the abrasion of the back surface of the product P like before. In addition, even in the case of skeletonless, the integrated cart 1 remains as it is after the processing.
7 can be orderly integrated.

It should be noted that the present invention is not limited to the above-described embodiment of the present invention, but by making appropriate changes,
It can be implemented in other aspects. That is, in the above-described embodiment of the present invention, the case where the chain 43 is used as the conveying member has been described, but other belts may be used.

Further, in the above-described embodiment, the case where the products are directly stacked on the stacking cart 17 has been described. However, a pallet (not shown) is placed on the stacking cart 17 and the pallet is placed on the pallet. The products P may be integrated.

When a skeleton is attached,
If the chain 43 of the fork 33 can be freely run without actively running, the product P and the skeleton abut against the stopper pin 19 when the fork 33 is retracted, and the chain 43 moves freely. do it,
The product P can be dropped and accumulated on the accumulation trolley 17.

[0029]

As described above, in the plate material accumulating apparatus according to the first aspect of the present invention, the fork is moved up and down by the up and down moving means and moved by the horizontal moving means so that the processed work is transferred to the conveying member of the fork. Scoop up,
The fork is moved above the stacking cart by the horizontal moving means, positioned at a predetermined height by the vertical moving means, and the transport member is caused to travel to accumulate products on the stacking cart. At this time,
Since the fork is retracted and the transport member is relatively advanced to drop the products onto the stacking cart, the products can be stacked without being scratched. In addition, even in the case of skeletonless, products can be integrated in an orderly manner.

In the plate material accumulating device according to the second aspect of the present invention,
Since the product is mounted on a chain rotatably supported by sprockets provided at the base end and the tip of the fork, the product is placed by retracting the fork and relatively moving the chain forward. It can be dropped on the stacking cart without rubbing the lower surface.
In addition, even in the case of skeletonless, products can be integrated in an orderly manner.

In the plate material accumulating device according to the third aspect of the present invention,
When the product placed on the transport member of the fork is accumulated on the accumulation trolley, the fork is retracted, but the transport member is advanced in the opposite direction at the same speed as the fork's retreat speed, and the product is moved to the accumulation trolley. Since the product is dropped and collected, it can be collected without scratching the product.

Further, even in the case of the skeletonless, products can be integrated in an orderly manner.

[Brief description of the drawings]

1 (A) is a partially omitted front view showing a plate material accumulating apparatus according to the present invention, and FIG. 1 (B) is an arrow view along line BB in FIG. 1 (A).

FIG. 2 is a front view showing an example in which the plate material accumulating apparatus according to the present invention is applied to a laser beam machine.

FIG. 3 is a front view showing a state in which a product or the like is carried out by a fork.

FIG. 4 is a front view showing a state where products and the like carried out by a fork are accumulated on an accumulation truck.

FIGS. 5A and 5B are explanatory views showing a conventional plate material accumulation operation.

FIG. 6 is an explanatory diagram showing a problem in a conventional sheet material stacking device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 plate material accumulating device 9 accumulating trolley 13 self-propelled motor (horizontal moving means) 17 cylinder (vertical moving means) 23 fork 27 drive sprocket 29 motor 31 idler sprocket 33 chain (transport member) W work P product

Claims (3)

[Claims] 1. A plate material accumulating apparatus for picking up a work after processing with a fork and carrying out and accumulating the work, wherein a horizontal moving means for reciprocating the fork in a carry-out direction and a counter carry-out direction, and moving the fork up and down. An endless transport member rotatable and movable along the longitudinal direction of the fork at a position above the upper end surface of the fork; and an accumulation trolley for accumulating the processed workpiece. A plate material accumulating device characterized by the above-mentioned. 2. The fork according to claim 1, wherein the conveying member is a chain wound around a driving sprocket and a driven sprocket provided at a base end and a tip end of the fork and driven by a motor. The plate material accumulating apparatus according to the above. 3. The method according to claim 1, wherein the conveying member is configured to accumulate the processed work accommodated on the conveying member on the accumulating carriage.
3. The sheet material accumulating device according to claim 1, wherein the fork is controlled so as to advance forward in the opposite direction at the same speed as the speed of retreating the fork.