JP2582933Y2 - Work accumulation and transfer device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work accumulating / transporting apparatus for accumulating works processed by a plate material or conveying the work to a next process.

[0002]

2. Description of the Related Art Conventionally, a work processed by a plate material processing machine such as a turret punch press is conveyed by an unloader to a work accumulating device, rides on a work conveying roller of a slat conveyor, and rotates the work conveying roller. Are integrated in an integrated device. Further, there is a case where the work is transported to a next step, for example, a bending machine without accumulating the processed work in the accumulating device as needed.

In order to transport the processed work to, for example, a bending machine, the processed work is moved to the bending machine side while being clamped by the unloader, and the work transfer roller of the slat conveyor is used. Without being transported to the bending machine.

[0004]

When the work processed by the turret punch press is conveyed to the next process, for example, to a bending machine as in the above-mentioned prior art, the processed work is clamped by an unloader. By moving the unloader in the folded state, the unloader is transported to the bending machine, but at this time, the processed work is dragged over the work being stacked on the stacking device, so that the stacked work on the stacking device is shifted, There has been a problem that it is necessary to correct the displacement of the integrated work.

An object of the present invention is to solve the above-mentioned problem by, when transferring a processed work to a next process without stacking the work in the stacking device, without shifting the integrated work stacked in the stacking device. An object of the present invention is to provide a work accumulation / transportation device that can be transported to the next process.

[0006]

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, the present invention is capable of carrying out one end of a work machined in a sheet material processing machine to the outside of the sheet material processing machine by clamping it with a work clamp. An unloader device, a lifter that supports a pallet for accumulating the work carried out by the unloader device and that can move up and down, and a plurality of lifters that can support the work carried out to a position above the pallet by the unloader device. An endless chain that rotatably supports the work transfer roller over an appropriate range, and that is capable of moving the plurality of work transfer rollers to an upper position supporting the work and a standby position avoiding the support of the work. Contacting one end of the plurality of work transfer rollers when the plurality of work transfer rollers are positioned at an upper position supporting the work; A frame provided with a belt capable of driving and rotating a plurality of work transfer rollers that can be pressed and rotatably provided is provided so as to be vertically movable between a position where the belt is in contact with each work transfer roller and a position where the belt is separated from the work transfer rollers. is there.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings.

FIG. 4 shows, for example, a process line for accumulating works processed by a turret punch press as a plate material processing machine, or conveying the work to a next process, for example, a bending machine.

Referring to FIG. 4, for example, a turret punch press 3 is disposed on the left side of a work accumulation and transfer device 1 which is a main part of this embodiment, and a work is disposed on the left side of the turret punch press 3. A single-sheet pick-up device 5 is arranged.

On the right side of the work stacking / transporting device 1, a work transporting device 7 comprising a plurality of ordinary pipe rollers, for example, a bending machine 9 such as an ironing bending machine is arranged.

Since the turret punch press 3 is already known, only its outline will be described. A plurality of punches P and dies D are provided at corresponding positions on the circumference of the rotatable upper and lower turrets 11 and 13, respectively. It is installed. The upper and lower turrets 11 and 13 are rotationally indexed from the plurality of punches P and dies D, and the selected punches P and dies D are processed at the processing position 15.
Is positioned.

A center table 17 is fixedly provided on the front side (lower side in FIG. 4) of the upper and lower turrets 11 and 13, and side tables 19 are provided on both sides of the center table 17. . A carriage base 21 is provided integrally with the side table 19 so as to straddle the center table 17 so as to be moved in the Y-axis direction (vertical direction in FIG. 4).

The carriage base 21 has a carriage 23 movable in the X-axis direction (left and right in FIG. 4).
The carriage 23 is provided with a plurality of work clamps 25 for clamping the work W.

Since the single-sheet pick-up device 5 is already known, a detailed description thereof will be omitted, but a work W to be processed is integrated on a vertically movable lifter. There is provided a work suction device that can move freely.

Therefore, the workpieces previously accumulated in the lifter of the single-sheet pick-up device 5 are suctioned one by one from the upper surface by lowering the workpiece suction device and lifted upward, and further toward the turret punch press 3 in the X-axis direction. After being moved, it is placed on the center table 17 and the side table 19 in the turret punch press 3.

The work W is moved by moving the carriage 21 in the Y-axis direction and the carriage 23 in the X-axis direction while being clamped by the work clamp 25.
The desired position is positioned at the processing position, and punching is performed in cooperation with the selected punch P and die D.

The processed work W is conveyed to a work accumulating and conveying device 1 by an unloader described later.
The work is accumulated in the work accumulating device of the conveying device 1 or, if necessary, sent to the work conveying device 7 including, for example, a plurality of pipe rollers, and further sent to the bending machine 9 for bending. Will be done.

As shown in FIG. 1, the work accumulating / transporting apparatus 1 includes a rectangular frame 27 which is erected on a floor surface. An accumulator 29 is provided. In addition, the work accumulating device 29 includes a lifter 31 that can move up and down, and a pallet PL for accumulating the work W processed on the lifter 31 is placed thereon.

Sprockets 31 are provided on the front and back of the upper frame 27U and the left frame 27L of the frame 27 (the front and back sides perpendicular to the plane of FIG. 1).
33, 35, 37 are rotatably supported, and
A driving sprocket 39 is rotatably supported on the left side of the left frame 27L. This drive sprocket 39
One end of the rotating shaft 41 is attached to the axis of
A drive motor 43 such as a servomotor is interlockedly connected to the other end of the rotating shaft 41.

The sprockets 31, 33, 3
A chain 45 is wound around the driving sprocket 39 and the driving sprocket 39. A part of the chain 45 is provided with a plurality of work transport rollers 47, such as pipe rollers, extending in the Y-axis direction at appropriate intervals in the X-axis direction. These are collectively referred to as a conveyor 48.

With the above configuration, when the drive motor 43 is driven, the drive sprocket 39 is rotated via the rotating shaft 41, so that the chain 45 travels clockwise, for example. Thus, the plurality of work transport rollers 47 attached to the chain 45 also travel in the same direction, and are positioned at the upper position of the work accumulating device 29 and the standby position at the lower position other than the upper position.

A loader beam 51 of an unloader 49 is shown in FIG. 1 at an appropriate height above the side table 19 on the right side of the turret punch press 3 and above the work stacking / transporting device 1. like,
It is provided extending in the X-axis direction (partially omitted). A guide rail 53 extending in the X-axis direction is provided below the loader beam 51. A known loader 55 is provided on the guide rail 53 so as to be movable in the X-axis direction by self-propelled driving. A plurality of work clamps 59 are provided below the loader 55 via a support frame 57.

With the above configuration, the turret punch press 3
Is clamped on the right side table 19 side by the work clamp 59 of the unloader device 49, the loader 55 is moved to the work accumulation and transfer device 1 while being guided by the guide rail 53, and the work accumulation is performed. It will be stopped above the device 29.

The work transfer roller 4 is located at a position above the work collection device 29 in the work collection and transfer device 1.
An upwardly movable and rotatable conveyor device 61 is provided so as to contact and press the upper surface on one end side of 7.

The conveyor 61 is shown in FIGS.
As shown in FIG. 3, a main frame 63 is provided on one end side (upper side in FIG. 3) of the work transport roller 47. The main frame 63 has a plurality of lifting cylinders 65 at appropriate intervals in the X-axis direction. Are attached via a bracket 67.

A piston rod 69 is attached to each of the elevating cylinders 65, and the tip of the piston rod 69 extends in the X-axis direction via a support block 70 and is attached to a square pipe-shaped frame 71. I have. Further, the main frame 63 is provided with one end of a plurality of parallel links 75 via a support frame 73, and the other end of each of the parallel links 75 is connected to another support frame 7.
7 is provided on the frame 71.

With the above configuration, when the lifting / lowering cylinder 65 is operated, the frame 71 is moved up and down by the expansion and contraction of the piston rod 67. When the frame 71 is moved up and down, the movement of the plurality of parallel links 75 causes the frame 71 to move.
Is held horizontally in the vertical direction. Note that FIG.
The state of the frame 71 shown in FIG.

A drive motor 79 such as a servomotor is mounted on the frame 71, and a speed reducer 81 is connected to the drive motor 79. This reduction gear 8
A sprocket 83 is mounted on one output shaft, and another sprocket 85 is mounted on the right side of the frame 71 in FIG. A chain 87 is wound around the sprocket 83 and the sprocket 85.

A shaft 89 mounted on the sprocket 85 penetrates the frame 71, and a driving pulley 91 is mounted on the other end of the shaft 89, and is opposite to the frame 71 (the left side in FIGS. 2 and 3). ), A driven pulley 93 is rotatably supported. A belt 95 is wound around the driving pulley 91 and the driven pulley 93. A plurality of idler rollers 97 are rotatably supported at appropriate intervals in the X-axis direction at the lower portion of the frame 71.

With the above configuration, when the drive motor 79 is driven, the reduction gear 81, the sprocket 83, and the chain 8
7. The drive pulley 91 is rotated via the sprocket 85 and the shaft 89. When the driving pulley 91 is rotated, the belt 95 runs, for example, rightward in FIG.

Therefore, when the work W clamped by the work clamp 59 by the movement of the loader 55 is accumulated on the pallet PL of the work accumulation device 29, the work W is positioned at a position above the work accumulation device 29, First, the drive motor 43 is driven to stop the work W riding on the plurality of work transport rollers 47 attached to the chain 45. Join and work clamp 5
In the state where the workpiece W is clamped in step 9, the drive motor 43
Is driven, the plurality of work transport rollers 47 travel to the retreat position, the upper part of the work accumulating device 29 is opened, and the work clamp 59 is unclamped. It falls on 29 pallets PL and is accumulated. In this case, the lifting cylinder 63 of the conveyor device 61 is not operated, and the belt 95 is at the upper evacuation position where the belt 95 is not pressed against the work transport roller 47.

When the processed work W is transported to the bending machine 9 side, the processed work W is transferred to the work accumulating device 2.
First, it is stopped at a position above 9. Next, the work clamp 59 is unclamped and the conveyor device 61 is unclamped.
When the lifting cylinder 65 is operated, the frame 71 is lowered, and the belt 95 is pressed against one end of the work transport roller 47. Next, by driving the drive motor 79, the belt 95 is moved rightward in FIG. 2 in a state where the belt 95 is pressed against the work transfer roller 47, and the work transfer roller 47 is rotated. This work transport roller 4
With the rotation of 7, the processed work W placed on the work transfer roller 47 is transferred to the bending machine 1 side. In this case, the drive motor 43 is not driven, and the idler roller 97 plays a role such that the belt 95 is often pressed against the work transport roller 47.

Thus, the processed work W is supplied to the bending machine 9.
When transported to the side, the integrated work does not come into contact with the integrated work accumulated on the work accumulating device 29, so that the accumulated work can be prevented from shifting.

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

[0035]

As will be understood from the above description of the embodiment, in short, the present invention provides a work clamp (59) for clamping one end of a work (W) processed by a plate processing machine.
An unloader device (49) capable of being clamped by the above and carried out of the plate processing machine, and the unloader device (4)
9) A lifter (3) that supports a pallet (PL) for stacking the work (W) carried out by the lifter (3)
1) and a plurality of work transport rollers (47) capable of supporting the work (W) carried out to a position above the pallet (PL) by the unloader device (49) are rotatably supported over an appropriate range. And an endless chain (45) capable of moving the plurality of work transport rollers (47) to an upper position supporting the work (W) and a standby position avoiding the support of the work (W). When the plurality of work transfer rollers (47) are located at the upper position supporting the work (W), one end side of the plurality of work transfer rollers (47) is in contact with and pressed against the plurality of work transfer rollers (47).
A frame (71) provided with a rotatable belt (95) rotatably provided is provided so as to be vertically movable between a position where the belt (95) is in contact with each of the work transport rollers (47) and a position where the belt (95) is separated therefrom. It is.

According to the present invention, the work clamp 59 of the unloader device 49 clamps one end of the work W processed by the plate processing machine, and moves the work W above the pallet PL supported by the lifter 31. Can be carried out onto a plurality of work transport rollers 47 located at the position (1). Then, after stopping the unloading of the work W by the unloader device 49, the chain 45 is moved to move the plurality of work transport rollers 47 from the support position of the work W.
When the workpiece W is moved to the standby position and the workpiece W is placed on the pallet PL on the lifter 31 and the workpiece W is not clamped by the workpiece clamp 59, the work W processed on the pallet PL can be accurately loaded. Can be done.

After the work W is carried out onto the work transfer roller 47 by the unloader 49, the belt 95 is moved from the position where the work W is separated from the work transfer roller 47.
The workpiece W can be sent out to the next process by the work transport roller 47 by rotating the work transport roller 47 by contacting one end of the work W.

That is, according to the present invention, the unloading of the work W onto the plurality of work transfer rollers 47 is performed by the unloader device 49, and then the chain 45 supporting the plurality of work transfer rollers 47 is driven. Alternatively, by selecting whether the belt 95 is brought into contact with the work transfer roller 47 and the work transfer roller 47 is driven to rotate, the selection of whether to load the work W on the pallet PL or to send the work W to the next process is made. Is what you can do.

[Brief description of the drawings]

FIG. 1 is a conceptual explanatory diagram of a work accumulation and transfer device according to the present invention.

FIG. 2 is a side view of a vertically movable and rotatable conveyor device which is a main part of the present invention.

FIG. 3 is a plan view of FIG.

FIG. 4 is a schematic plan view showing an example of a work processing line using the work accumulation and transfer device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Work accumulation | stacking and conveyance apparatus 27 Frame 29 Work accumulation apparatus 31 Lifter 45 Chain 47 Work conveyance roller 48 Conveyor 49 Unloader apparatus 55 Loader 59 Work clamp 61 Conveyor apparatus 65 Elevating cylinder 71 Frame 75 Parallel link 79 Drive motor 91 Drive pulley 93 Followed pulley 95 Belt

Claims (1)

(57) [Scope of request for utility model registration] An unloader device (49) capable of clamping one end of a work (W) processed by a plate material processing machine with a work clamp (59) and carrying out the outside of the plate material processing machine; Pallet (P) for accumulating the work (W) carried out by (49)
L), and a plurality of work transport rollers (47) capable of supporting the work (W) carried out to a position above the pallet (PL) by the unloader device (49). ) Is rotatably supported over an appropriate range, and the plurality of work transport rollers (47) are supported.
An endless chain (45) movable to an upper position supporting the work (W) and a standby position avoiding the support of the work (W), and the plurality of work transport rollers (47) are provided with a work (W). When the belt (95) is positioned at an upper position for supporting W) and is pressed against one end of the plurality of work transfer rollers (47) to rotate the plurality of work transfer rollers (47), the belt (95) can be driven to rotate. A work stacking / transporting apparatus comprising: a frame (71) provided so as to be vertically movable between a position where the belt (95) is in contact with each work conveying roller (47) and a position where the belt (95) is separated from each other.