JPH07172641A - Plate material reversing device - Google Patents

Abstract

PURPOSE:To position and carry out a plate material even when it is reversed inside out or even when it is not reversed. CONSTITUTION:In a drum system reversing device, a pusher 31 is arranged between a pair of opposed reversing tables 13 and 13. A rotary drum 15 in which the reversing tables 13 are arranged is rotatably supported with support rollers 21, and is reversibly driven by a reversing mechanism 14. The respective reversing tables 13 are composed of a driving system roller table arranged in the rotary drum 15. Positioning stoppers 32a of plate materials are arranged on both ends in the width direction between both reversing tables 13 and 13. The pusher 31 is used to be applied and attached to the stoppers 32a by pushing the plate materials, and are driven so as to advance and retreat by a pusher driving device such as a rodless cylinder.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate reversing device for reversing a plate.

[0002]

2. Description of the Related Art In a plate material processing line, there is a step in which a plate material is punched by a punch press machine and then bent by a bender machine. At this time, if the plate material with burrs / returns formed by punching is directly loaded into the bender machine,
Normally, burrs and burrs are exposed on the surface of the product that is bent by a bending machine. Therefore, in such a plate material processing line, a plate material reversing device for reversing the plate material is provided midway from the punch press machine to the bender machine. Further, when the plate material is carried into the bender machine, it is necessary to carry it in along the reference carry-in line of the bender machine. Therefore, after carrying out the positioning of the plate material in the direction orthogonal to the carrying direction, the carry-in is carried out. A drum type plate reversing device is used as a device capable of performing such reversal and positioning simultaneously. That is, in the drum type reversing device, the plate material slides by its own weight along with the reversal,
Positioned against a stopper in the drum.

[0003]

However, depending on the product to be made, there is a product in which the punched plate material must not be turned upside down. In such a case, in a general drum type reversing device, it is possible to prevent the reversal of the plate by passing the plate without rotating the drum, but it becomes impossible to position the plate. Automatic positioning can be performed by installing a positioning dedicated conveyor in the latter stage of the reversing device, but since the ratio of plate materials that should not be turned upside down is small as described above, installing a positioning dedicated conveyor requires a large amount of equipment for the production volume. Becomes Therefore, in the case where the plate material should not be inverted as described above, conventionally, an operator manually carries the plate material from the punch press machine to the bender machine. For this reason, the work efficiency is low, and the burden on the operator is large, especially when the plate material has a large size.

An object of the present invention is to provide a plate reversing device having a simple structure which can be positioned and carried out when the plate is turned upside down or not turned upside down.

[0005]

SUMMARY OF THE INVENTION The present invention comprises a pair of reversing tables facing each other with a plate material insertion interval provided therebetween, and a reversing mechanism for vertically reversing the pair of reversing tables about the center of the table width. It is applied to the plate reversing device. In this reversing device, a positioning stopper that abuts the side edge of the plate material is provided on at least one side between the pair of reversing tables, and a pusher that presses the plate material between the reversing tables and abuts against the stopper is provided.

[0006]

When the plate member is turned upside down, the plate member slides by its own weight due to the turning operation and hits the stopper to be positioned in the width direction. When the plate material is allowed to pass through without being inverted, the plate material that has entered between the inversion tables is pressed against the stopper by the pusher to position the plate material in the width direction.
In this way, the plate material can be positioned whether it is inverted or not.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. FIG. 4 is a schematic plan view of a plate material processing line in which the plate material reversing device of this embodiment is installed. In this line, the punch press machine 1, the roller conveyor 5, the reversing device 6, the roller conveyor 7, and the bender machine 8 are arranged in order. The punch press machine 1 is a plate material feeding device 4 for moving a plate material W back and forth (Y direction) and left and right (X direction) by moving a work holder 3 on a work table 2.
have. The bending machine 8 is a device that feeds the plate material W on the work table 11 to the processing machine body 9 by the plate material feeding device 10 and bends the plate material W by the processing machine body 9. The plate material feeding device 10 is provided with a plate material indexing rotation device 12 that grips and rotates the center of the plate material W in order to sequentially bend the 2 to 4 sides of the plate material W. In this line, the plate material W from the work table 2 of the punch press machine 1
Is a reference position Q ₁ on the front side of the drawing, and the bender machine 8 is a reference position Q ₄ opposite to the punch press machine 1.
Becomes

As shown in FIG. 1, the plate reversing device 6 includes a pair of reversing tables 13 facing each other with a plate insertion interval.
13 is provided on the reversing drum 15, and the reversing tables 13 and 13 are provided so as to penetrate the rotary drum 15 in the axial direction so that the approximate center of the table width coincides with the axis of the rotary drum 15. The rotary drum 15 includes ring-shaped frames 17, 17 at both axial ends and a ring-shaped drive transmission frame 2 in the middle.
5 and 5 are assembled in a drum shape by a plurality of axial frames 18, and each ring-shaped frame 17 is placed on a support roller 21 provided on the rotation support base 16 and is rotatably supported.

A chain 22 is wound around a drive transmission frame 25 of the rotary drum 15, and the chain 22 is a sprocket 24 provided on an output shaft of a drum drive motor 23.
Mesh with each other. The drum drive motor 23, the drive transmission frame 25, and the chain 22 constitute the reversing mechanism 14. Further, the drive transmission frame 25 has a cable bearer 41 accommodating wirings and pipes connected to the devices in the rotary drum 15.
Is wrapped around.

The pair of reversing tables 13, 13 is constructed by disposing a plurality of free rollers 30 between both sides of a table frame 29. A stopper 32a for positioning the plate material is provided at one end between the reversing tables 13 and 13, and at the other end, a pusher 3 which advances and retracts in the width direction as indicated by an arrow A.
1 is provided. Pusher 31 is the reverse table 1
The plate material W that has been carried in between the third and third parts is pushed from one side, and the other side edge is pushed to the stopper 32a between the reversing tables 13 and 13.
It is made of a plate material having notches 31a in which the free rollers 30 are loosely fitted at both upper and lower edges as shown in FIG. As shown in FIG. 3, the pusher 31 is attached to a rodless cylinder 34, which is a pusher advancing / retreating drive device, via a connecting member 33. The cylinder body of the rodless cylinder 34 is the reversing table 1
3 extends in the width direction and both ends are fixed to the axial frame 18 of the rotating drum 15. The pusher 31 always stands by at the position indicated by the solid line in the figure and functions as a stopper.

A roller drive mechanism 35 shown in FIG. 2B is provided on one side of the pair of reversing tables 13 and 13 at a position closer to the table frame 29 than the standby position of the pusher 31 shown in FIG. ing. The roller drive mechanism 35 includes pulleys 36, 36 provided at the front and rear ends of the table frame 29.
And a pulley 38 provided on the output shaft of the roller drive motor 37
An endless belt 39 is looped over the entire structure.
A plurality of tension rollers 40 are interposed between the upper and lower track portions of the endless belt 39, whereby the endless belt 3
9 is pressed against the free rollers 30 of each reversing table 13, and the rotation output of the roller drive motor 37 is transmitted to the free rollers 30.

At the outlet side end (bender machine side end) of the reversing table 13, a stopper 44a is placed between the reversing tables 13 and 13 as shown in FIGS.
It is provided so that it can appear and disappear at 4. With this stopper 44,
The plate material W carried in from the entrance side (punch press machine side) of the rotary drum 15 is positioned in the carrying direction. In addition, plate material detection sensors 45a and 45b formed of photoelectric switches are provided in front of the stopper 44a.
As a result, the loading of the plate material W is detected.

The operation of the above configuration will be described. The plate material W carried onto the work table 2 of the punch press machine 1 is gripped by the work holder 3 and positioned at the reference position Q ₁ on the work table 2, and is fed forward, backward, leftward and rightward for punching. The processed plate material W is returned to the reference position Q ₁ and then conveyed to the plate material reversing device 6 via the roller conveyor 5. In the plate material reversing device 6, the pair of reversing tables 1
The plates 3 and 13 are standing by in a horizontal posture, and the conveyed plate material W enters between the pair of reversing tables 13 and 13. The plate material W that has entered the roller drive mechanism 37
Is carried in until the tip comes into contact with the stopper 44.

When the plate material W is reversed upside down and conveyed to the bender machine 8, the reversing mechanism 14 is driven so that the plate material W shown in FIG.
The rotary drum 15 is rotated 180 ° in the direction indicated by the arrow R. By this rotation, the pair of reversing tables 13 and 13 are reversed upside down, and the plate material W between the reversing tables 13 and 13 slides sideways by its own weight and abuts on the pusher 31. The pusher 31 is at a predetermined standby position, whereby the plate material W is positioned at the carry-out reference position Q ₃ . After that, the roller driving motor 37 is driven to rotate in the reverse direction to that at the time of loading, and the plate material W which has been turned upside down is loaded onto the work table 11 of the bending machine 8 via the roller conveyor 7. The plate material W that has been carried in is
After positioning at the reference position Q ₄ , the plate indexing and rotating device 1
It is gripped by 2 and bent by the processing machine body 9. In addition,
The carry-out reference position Q ₃ of the reversing device 6 is set to the same coordinate in the Y direction as the carry-in reference position Q ₄ of the bender machine 8. The rotating drum 15 is rotated in reverse before the next plate material is loaded, and the next plate material W
Wait for the delivery of the paper, and then invert again after the delivery.

On the other hand, the bending machine 8 without vertically reversing the plate material W carried in between the pair of reversing tables 13, 13.
When it is conveyed to the table 13, the pusher 31 is driven by the rodless cylinder 34 to move it to the table 13 as shown by the chain line in FIG.
Move to the other side. As a result, the plate material W is stopped by the stopper 32.
It is pushed to a position where it comes into contact with a and is positioned at the carry-out reference position Q ₃ . After that, the plate material W is unloaded from the reversing device 6 by driving the roller driving motor 37, and is loaded into the bender machine 8 via the roller conveyor 7 as in the case of reversing. When the plate material W is not inverted, the rotary drum 15 needs to be on standby at an angle at which the pusher 31 comes to the right side position in FIG. 1, and when the pusher 31 is on the left side position, the rotary drum 15 is inverted and placed on standby.

According to this plate material reversing device, it is possible to position and carry out the plate material W at the same carry-out reference position Q ₃ regardless of whether the plate material W is turned upside down or not. In addition, since the pusher 31 and the rodless cylinder 34 that drives the pusher 31 are added to the ordinary drum type reversing device, it is not necessary to provide a dedicated positioning conveyor or the like, and the configuration is simplified.

Although the pair of reversing tables 13 and 13 are provided on the rotary drum 15 in the above embodiment, the reversing tables 13 and 13 may be reversed without providing such a drum 15. Further, in the above embodiment, the pusher 31 also serves as a stopper, but the pusher 3
It is also possible to provide another stopper for fixing the position also on the standby side of 1, and pusher 31 may be dedicated to the pushing operation.

[0018]

The plate material reversing device of the present invention is provided with a pair of reversing tables facing each other with a plate material inserting interval, and a reversing mechanism for reversing the pair of reversing tables up and down about the approximate center of the table width. In the plate material reversing device, a positioning stopper that abuts the side edge of the plate material is provided on at least one side between the pair of reversing tables, and a pusher that presses the plate material between the reversing tables and abuts against the stopper is provided. It is possible to position and carry out whether to turn the inside out. Moreover, it is only necessary to add a pusher, and it is not necessary to separately provide a dedicated positioning conveyor or the like, and the configuration is simple.

[Brief description of drawings]

FIG. 1A is a left side view showing a plate material reversing device according to an embodiment of the present invention, and FIG. 1B is a front view sectional view thereof.

FIG. 2A is a front sectional view showing a part of a reversing table in the plate reversing device, and FIG. 2B is a front sectional view showing another part of the reversing table.

FIG. 3 is a side sectional view of the inversion table.

FIG. 4 is a schematic plan view of a plate material processing line in which the plate material inverting device is used.

[Explanation of symbols]

6 ... Plate reversing device, 13 ... Reversing table, 14 ... Reversing mechanism, 31 ... Pusher, 32a ... Stopper, 34 ... Rodless cylinder (advancing / retracting drive device), W ... Plate material

Claims (1)

[Claims] 1. A plate material reversing device comprising: a pair of reversing tables facing each other with a plate material insertion space provided therebetween; and a reversing mechanism for vertically reversing the pair of reversing tables up and down about the center of the table width. A plate reversing device having a positioning stopper for contacting a side edge of a plate on at least one side between the reversing tables and a pusher for pushing the plate between the reversing tables and abutting the stopper.