JPH10156454A - Metal plate working method and device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a mechanism in the case of feeding a metal plate to a metal plate working machine and also to shorten the time required for the process by omitting the process measuring the metal plate length. SOLUTION: The coiled metal plate W from an uncoiled 51 is made to pass between the upper blade edge 61 and the lower blade edge 63 of a shearing device 65 and fed on the forward conveyer 41. The metal plate fed on the conveyer 41 is sheared into a desired length with the shearing device 65. The sheared metal plate is carried to feed to a forward metal plate working machine 1 with the conveyer 41. A locating pin 67, existing in the forward end side in the carrying direction of the conveyer 41 and appearing and disappearing freely to a pass lien PL, is projected from the pass lien PL. When the end part of the metal plate carried with the conveyer 41 abuts to the locating pin 67, the conveyer 41 is simultaneously stopped. The metal plate on the conveyer 41 is held with a carriage 47, transferred in the same direction as the carrying direction of the conveyer 41 and positioned, and worked into the metal plate with the metal plate working machine 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for processing a sheet material, and more particularly, to simplify a mechanism for feeding a sheet material to a sheet processing machine such as a punch press or a laser processing machine, and measure a plate length. The present invention relates to a sheet material processing method and apparatus capable of shortening a process time by omitting a process.

[0002]

2. Description of the Related Art Conventionally, a plate material processing method and apparatus are generally provided with a free bear table for carrying a plate material into a plate material processing machine such as a punch press for processing the plate material, and mounting the plate material to process the plate material. On the front side of the free bear table, for example, as is known in Japanese Patent Application Laid-Open No. 4-41030, an uncoiler provided with a plate material in a coil shape, or a plate material from the uncoiler is rolled by a roller such as a straightening roll. A leveler for smoothing, a feed roller for feeding the plate material, and a shearing for shearing the plate material fed by the feed roller are provided.

The plate material sheared by the shearing is sucked by a suction pad provided in a single-sheet work loader. Further, the plate material is conveyed on the free bear table in the direction of the punch press as the single work loader advances by the servo drive mechanism. The length of the plate material is measured by calculating the amount of movement of the plate material by a servomotor, an arithmetic unit, and the like in this transport process.

[0004] As another method of measuring the length of a plate material, it is possible to measure the length by a measuring roll before shearing by shearing, and to shear by shearing to a desired length.

[0005] A locate pin is provided in front of the free bear table in the work loading direction to abut the tip of the plate material. When being loaded by the single work loader, the plate material is released just before the locate pin, and is then abutted against the locate pin by the origin setting pad to determine the origin.

[0006] The plate material positioned at the origin is gripped by a work clamp provided on a free bear table and supplied to a plate material processing machine.

[0007]

By the way, in the conventional plate material processing apparatus, the movement amount of the plate material is calculated and measured by a servomotor, an arithmetic unit and the like in order to measure the length of the plate material. There has been a problem that the cost of the length measuring device increases and the length of the length measuring time increases, so that the production cost increases.

Further, there is another problem that when a length of a plate material is measured by a measuring roll, a length measurement error occurs, so that it is necessary to correct the length.

Further, when the plate material is transported on the free bear table, there is a problem that the plate material is damaged by friction with the free bear.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object thereof is to simplify a mechanism for feeding a sheet material to a sheet material processing machine and to omit a step of measuring a sheet material length. It is an object of the present invention to provide a plate processing apparatus capable of shortening a process time due to the modification.

[0011]

According to a first aspect of the present invention, there is provided a sheet material processing method according to the present invention, in which a coil-shaped sheet material of an uncoiler is passed forward between an upper blade and a lower blade of a shearing device. The plate material supplied on the conveyor is sheared at a desired length by the shearing device, and the sheared plate material is transported by the conveyor to be supplied to a front plate processing machine, A positioning member that is located at the front end side in the conveying direction of the conveyor and that can come and go with respect to the path line is made to protrude from the path line, and the leading end of the plate material carried in by the conveyor comes into contact with the positioning member and the conveyor is stopped. Then, the plate material on the conveyor is gripped by a work clamp provided in the carriage, moved and positioned in the same direction as the conveyor conveyance direction, and processed by the plate material processing machine. It is characterized in.

Therefore, since the conveyor also serves as a work loading table and a processing table, a work loading device is not required, and the length of the material can be easily measured, thereby reducing costs and processing time. Further, since the conveyor is used to carry in the work, it is conveyed simply by placing the plate material on the conveyor, so that a short plate material can be easily carried in.

Further, since the plate material is placed on the conveyor and moves, the plate material is not easily damaged.

According to a second aspect of the present invention, there is provided the plate processing method according to the first aspect, wherein a distance between the positioning member provided in the carriage and a shear line of a shearing device is set to a desired shear length of the plate. The carriage is moved and positioned in the same direction as the conveying direction of the conveyor so as to be positioned at a position, and the positioning member is made to protrude with respect to the pass line. It is characterized by being sheared to a desired length by a shearing device.

[0015] Therefore, after the tip of the plate material before shearing is positioned by contacting the positioning member previously positioned at the position of the shear length, the plate material is sheared by the shearing device. It is exactly sheared.

According to a third aspect of the present invention, there is provided a plate processing apparatus, a conveyor for supporting a plate processed by the plate processing machine and carrying the plate into the plate processing machine, and a conveyer. An uncoiler provided with a plate material to be fed to the coil-shaped device, a shearing device for shearing the plate material from the uncoiler, and a free end that can be brought into contact with a tip end of the plate material carried in by the conveyor, and can appear and disappear with respect to the pass line. And a carriage capable of gripping a plate material on the conveyor and moving and positioning the same in the same direction as the conveying direction of the conveyor.

Therefore, the operation is performed in the same manner as in the first aspect, and the cost and the processing time are reduced by simplifying the mechanism for measuring the material length, and the conveyor serves as both the work loading and the processing table. Further, since the conveyor is used to carry in the work, even a short plate material can be carried in easily. Further, the plate material that is placed and moved on the conveyor is not easily damaged.

According to a fourth aspect of the present invention, there is provided a plate material processing apparatus according to the third aspect, further comprising a work origin position determining device for moving the plate member on the conveyor against the positioning member on the conveyor frame side. It is characterized by having.

Therefore, the plate material on the conveyor is reliably abutted against the positioning member by the work origin positioning device, and the origin is positioned.

According to a fifth aspect of the present invention, there is provided a plate material processing apparatus, a conveyor for supporting a plate material processed by the plate material processing machine, and carrying in the plate material to the plate material processing machine, and a conveyor. An uncoiler provided with a plate material to be fed to the coil-shaped device, a shearing device for shearing the plate material from the uncoiler, and a free end that can be brought into contact with a tip end of the plate material carried in by the conveyor, and can appear and disappear with respect to the pass line. A positioning member, and a carriage capable of gripping a plate material on the conveyor and moving and positioning the same in the same direction as the conveying direction of the conveyor,
It is characterized in that a positioning member which can be brought into contact with the front end of the plate material before shearing is provided so as to be able to come and go with respect to the pass line.

Therefore, in addition to the function of the third aspect, the carriage moves in the same direction as the conveying direction of the conveyor, and the distance between the positioning member provided in the carriage and the shear line of the shearing device is determined by the distance of the plate material. It is positioned at the desired shear length. The positioning member protrudes with respect to the pass line, and the leading end of the plate material before shearing contacts the positioning member. The plate is accurately sheared to the desired length by the shearing device.

According to a sixth aspect of the present invention, there is provided the plate material processing apparatus according to the fifth aspect, further comprising a work origin position determining device for moving the plate material on the conveyor to abut the positioning pin on the carriage. It is characterized by having.

Therefore, the leading end of the plate on the conveyor is reliably brought into contact with the positioning member by the work origin positioning device, and the origin is positioned at the shear length of the plate.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a plate processing apparatus according to the present invention will be described below with reference to the drawings, taking a typical example of a plate processing machine such as a punch press.

FIG. 2 shows an entire plate processing apparatus according to the present embodiment, for example, and FIG. 5 shows an entire punch press 1 according to the present embodiment, for example.

Referring to FIGS. 2 and 5, the base 3 is provided with a generally gate-shaped main body frame 5 having a cap G at the center. A pair of lower guide rails 9 are provided in the Y-axis direction on the upper surface of the lower frame 7 which is the lower end of the gap G in the main body frame 5.
Similarly, a pair of upper guide rails 13 is provided on the lower surface of the upper frame 11 at the upper end of the gap G in the main body frame 5 in the Y-axis direction.

A die block frame 17 is supported on the lower guide rail 9 by a lower guide member 15 so as to be movable in the Y-axis direction. This die block frame 17
, A die block 19 having a large number of dies D is provided detachably.

A punch block frame 23 is supported on the upper guide rail 13 by an upper guide member 21 so as to be movable in the Y-axis direction. A punch block 25 having a number of punches P is detachably provided on the punch block frame 23.

The die block frame 17 and the punch block frame 23 are integrally connected by a C-shaped frame 27 which is a connection frame. Therefore,
Die block frame 17 and punch block frame 2
3 is always moved and positioned integrally in the Y-axis direction.

The body frame 5 is provided with a Y-axis ball screw 29 rotatably provided by a Y-axis drive motor 31 so as to penetrate in the Y-axis direction. The Y-axis ball screw 29 is provided on the right part of the punch block frame 23 in FIG. The punch block frame 23 is moved and positioned in the Y-axis direction along the upper guide rail 13 by the action of the Y-axis ball nut 33. At the same time, the die block frame 17 connected by the C-shaped frame 27 is also moved and positioned in the Y-axis direction.

On the other hand, the punch block frame 23 has
A punch cylinder 35 is provided which can be moved and positioned in the U-axis direction (the same direction as the X-axis direction) and the V-axis direction (the same direction as the Y-axis direction).
A striker 37 for hitting the punch P is mounted.

With the above configuration, the plate material W
When punching is performed on the punch block frame 23, the plate material W is positioned at the processing position, and the Y-axis ball screw 29 is rotated by the Y-axis drive motor 31.
And the die block frame 17 is integrally moved and positioned in the Y-axis direction.

At the same time, the punch cylinder 35 is moved and positioned above the desired punch P,
The punch P is hit through the striker 37 to perform punching.

A hydraulic circuit is provided for operating the punch cylinder 35. That is, a hydraulic circuit (not shown) is connected to a hydraulic hose (not shown) from an oil pressure source (not shown) provided on the ground or the main body frame 5 via an accumulator and a manifold.
5.

Referring to FIGS. 1 and 2, a conveyor 41 is provided on the front side (the right side in FIGS. 1 and 2) of the main body frame 5 in the X-axis direction. The table 43 is extended in the X-axis direction (left side in FIGS. 1 and 2). The table 43 and the conveyor 41 are provided with a carriage 47 having a clamp 45 for clamping the plate material W.
3 and the conveyor 41 are moved in the X-axis direction along X-axis guides 49 provided on both left and right sides (up and down in FIG. 2).
Positioning is free.

Front side of the conveyor 41 (right side in FIG. 2)
Is provided with an uncoiler 51 provided with a sheet material W to be conveyed to the conveyor 41 in a coil shape, and a leveler 55 provided with a roller 53 such as a straightening roll between the uncoiler 51 and the conveyor 41; W conveyor 41
A feed roller 57 for feeding upward, a measuring roll 59 as a length measuring means for the plate material W, and an upper blade 61
65 that shears in cooperation with the lower blade 63
Is provided.

In the vicinity of the front end of the conveyor 41 in the work transfer direction, a locating pin 67 (positioning member for positioning the origin) is provided on a conveyor frame (not shown) which can be moved up and down from the upper surface of the conveyor 41. The tip end of the plate material W carried by the conveyor 41 is provided so as to be able to abut on the locate pin 67.

Further, near the front end of the conveyor 41 in the work transfer direction, a deceleration sensor for detecting the leading end of the plate material on the conveyor 41 in order toward the work transfer direction and decelerating the conveyor 41 based on this detection signal. 69,
A stop sensor 7 for detecting the leading end of the plate material on the conveyor 41 and stopping the driving of the conveyor 41 based on the detection signal.
1 is provided.

In the vicinity of the locate pin 67,
Conveyor 41 driven and stopped by the stop sensor 71
A work origin positioning device 73 is provided for moving the plate material W in the direction of the origin so as to attract the upper plate material W and abut against the locate pin 67.

Referring to FIG. 3 in more detail, the mounting arm 75 is attached to a conveyor frame (not shown), and is located above the upper surface of the conveyor 41. An elevating cylinder 77 is fixed to the tip of the mounting arm 75, and the piston rod 79 of the elevating cylinder 77 is
1 can be moved up and down. At the lower end of the piston rod 79, a pulling cylinder 83 provided with a piston rod 81 that operates substantially parallel to the upper surface of the conveyor 41 is provided. The suction pad 8 is attached to the tip of the piston rod 81 of the pulling cylinder 83 via a pad guide 85.
7 is provided to adsorb the plate material W on the conveyor 41.

With the above configuration, the plate material W of the uncoiler 51 is smoothed straight by a roller 53 such as a straightening roll of a leveler 55, and is further fed forward by a feed roller 57 to form an upper blade 61 and a lower blade 63 of a shearing 65. And is supplied onto the conveyor 41. At this time,
The plate material W is measured by the measuring roll 59 and sheared by the shearing 65 at a desired length.

Next, the conveyor 41 is driven, and the plate material W on the conveyor 41 is transported in the direction of the punch press 1.
The leading end of the plate material W being conveyed is a sensor 69 for deceleration.
When the detection is sequentially performed by the stop sensor 71, the conveyor 41 is decelerated, and the driving of the conveyor 41 is stopped near the locating pin 67 at the leading end of the plate material W. The conveyor 41 is driven by a three-phase motor, and a deceleration sensor 69,
The plate material W is decelerated by the stop sensor 71 and the inverter (not shown) and is positioned at a predetermined position and stopped, so that the plate material W is surely stopped at the predetermined position before hitting the locate pin 67.

The plate material W on the conveyor 41 whose driving has been stopped is sucked by the suction pad 87 by lowering the piston rod 79 of the lifting / lowering cylinder 77. Next, the pulling cylinder 83 moves the plate material W in the direction of the origin so that the plate material W strikes the origin position of the locate pin 67, and the plate material W struck by the locate pin 67 is moved to the carriage 47.
Are clamped by the clamp 45 of FIG.

The plate material W clamped by the clamp 45 is moved and positioned in the X-axis direction by the traveling of the carriage 47, and is processed by the punch press 1. After the suction pad 87 releases the plate material W, the lifting pad 7
The suction pad 87 returns to the original position by raising the piston rod 79 of 7 and returning the pulling cylinder 83 to the original position.

As described above, the conveyor 41 serves both as a work transfer table and a processing table, and the plate material W is placed on the upper surface of the conveyor 41 and transferred, so that it is less likely to be damaged.

In addition, the fact that the conveyor 41 is used for transporting the work is effective for the short plate material W, and is easily carried in.

Further, the coil-shaped plate material W of the uncoiler 51 is efficiently processed as it is by the plate material processing machine such as the punch press or the laser processing machine by the plate material processing line of the plate material processing apparatus described above.

As another embodiment of the present invention, it is effective to add the following apparatus to the plate processing apparatus of the above-described embodiment.

Referring to FIG. 4, the carriage 47 on the conveyor side has a gate-like shape in the left-right direction of the conveyor 41.
A positioning pin 91 as a positioning member capable of abutting the leading end of the plate material W conveyed onto the plate 1 is provided on the pass line P of the plate material W.
L is provided so as to be freely retractable.

Further, a work which is located near the positioning pin 91 on the horizontal frame 89 of the carriage 47 and moves the tip end of the plate material W supplied on the conveyor 41 so as to abut the positioning pin 91. An origin positioning device 93 is provided.

The structure of the work origin positioning device 93 is the same as that of the work origin positioning device 73 shown in FIG. 3 of the above-described embodiment, and a description thereof will be omitted.

More specifically, the carriage 47 is set in advance so that the distance between the positioning pin 91 and the shearing line between the upper blade 61 and the lower blade 63 of the shearing 65 becomes the desired length of the plate material W. It runs along and is positioned. The positioning pins 91 are protruded so as to be able to abut the leading end of the plate material W fed onto the conveyor 41 and are on standby.

The plate material W fed by the feed roller 57 is measured by the measuring roll 59 so that the leading end of the plate material W stops before the positioning pin 91, and the plate material W is stopped by stopping the feed roller 57. Stop at the appropriate position.

The leading end of the plate material W is detected in front of the positioning pin 91, and the conveyor 41 is detected by this detection signal.
Providing a deceleration sensor for decelerating the sheet is effective for stopping the conveyor 41 so as to surely stop the plate material W before the positioning pin 91.

Next, the suction pad 95 of the work origin positioning device 93 is operated, and the leading end of the plate material W is abutted against the positioning pin 91. Thereafter, the plate material W is sheared by the cooperation of the upper blade 61 and the lower blade 63 of the shearing 65. Thus, the positioning pins 9 are attached to the carriage 47.
Providing 1 is effective because the length of the plate material W is measured and sheared more accurately than when the length of the plate material W is simply measured and sheared by the measuring roll 59.

After the plate material W is sheared, the suction pad 95 of the work origin positioning device 93 releases the plate material W, and the plate material W is conveyed by the start of driving of the conveyor 41.

The present invention is not limited to the above-described embodiment, but can be implemented in other modes by making appropriate changes. In the example of this embodiment, a punch press has been described as an example of a plate processing machine used in a plate processing apparatus. However, a laser processing machine, another press processing machine, or another plate processing machine may be used.

[0058]

As will be understood from the above embodiment, according to the first aspect of the present invention, the length of the material can be easily measured, and the cost and the processing time can be reduced. Further, since the conveyor serves as both the work loading and the work table, a work loading device is not required, so that cost can be reduced. Further, since the conveyor is for carrying in the work, even a short plate material can be carried in easily. Further, since the plate material is placed on the conveyor and moves, the plate material is not easily damaged.

According to the second aspect of the present invention, since the leading end of the plate before shearing is positioned by contacting the positioning member previously positioned at the position of the shear length, the plate is sheared by the shearing device. A plate material processed by a plate material processing machine can be accurately sheared to a desired shear length.

According to the third aspect of the present invention, the effect is the same as that of the first aspect, and the cost and processing time can be reduced by simplifying the mechanism for measuring the material length. The cost is reduced because the conveyor also serves as a work table and a work table. Further, since the conveyor is used to carry in the work, even a short plate material can be carried in easily. Further, since the plate material moves on the conveyor, it is hardly damaged.

According to the fourth aspect of the present invention, it is possible to position the origin by reliably abutting the plate material on the conveyor against the positioning member by the work origin positioning device.

According to the invention of claim 5, the above-mentioned claim 3
In addition to the effect of the above, the carriage moves in the same direction as the conveying direction of the conveyor, and the distance between the positioning member provided in the carriage and the shear line of the shearing device can be positioned at a desired shear length of the plate material. The positioning member protrudes with respect to the pass line, and the leading end of the plate before shearing comes into contact with the positioning member, so that the plate can be accurately sheared to a desired length by the shearing device.

According to the sixth aspect of the present invention, the tip of the plate on the conveyor can be reliably brought into contact with the positioning member by the work origin positioning device, and the origin can be accurately positioned to the shear length of the plate.

[Brief description of the drawings]

FIG. 1 is a schematic front view of an entire plate processing apparatus used in an embodiment of the present invention.

FIG. 2 is an overall plan view of a plate processing apparatus including a punch press used in an embodiment of the present invention.

FIG. 3 is a detailed view of a work origin positioning device used in an example of an embodiment of the present invention.

FIG. 4 is a perspective view showing details of a positioning pin provided on the carriage and a work origin positioning device.

FIG. 5 is a front view of a punch press used in the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Punch press 5 Main frame 41 Conveyor 43 Table 45 Clamp 47 Carrier 49 X-axis guide 51 Uncoiler 57 Feed roller 59 Measuring roll 65 Shearing 67 Locating pin (positioning member) 69 Deceleration sensor 71 Stopping sensor 73 Work origin positioning device 77 Elevation Cylinder 79 Piston rod (of lifting cylinder 77) 81 Piston rod (of pulling cylinder 83) 83 Pulling cylinder 87 Suction pad 89 Horizontal frame 91 Positioning pin (positioning member) 93 Work origin positioning device 95 Suction pad

Claims (6)

[Claims] 1. A coiled plate material of an uncoiler passes between an upper blade and a lower blade of a shearing device and is supplied onto a front conveyor, and the plate material supplied on the conveyor is fed to the shearing device by a desired length. Then, the sheared plate material is transported by the conveyor to be supplied to a forward plate material processing machine, and a positioning member that is located at the front end side in the transport direction of the conveyor and that can freely move in and out of the path line is passed. Protruding from the line, stop the conveyor while contacting the tip of the plate material carried by the conveyor with the positioning member,
A plate material processing method comprising: gripping a plate material on the conveyor with a work clamp provided in a carriage, moving and positioning the plate material in the same direction as the conveyor, and processing the plate material using the plate material processing machine. 2. The carriage is moved and positioned in the same direction as the conveying direction of the conveyor so that a distance between a positioning member provided on the carriage and a shear line of a shearing device is located at a desired shear length of the plate material. The positioning member is made to protrude with respect to a pass line, and a tip of a plate material before shearing is brought into contact with the positioning member, and the plate material is sheared to a desired length by the shearing device. The plate material processing method according to 1. 3. A plate processing machine, a conveyor for supporting the plate processed by the plate processing machine and carrying the plate into the plate processing machine, and a coil formed by feeding the plate to the conveyor. An uncoiler provided in the above, a shearing device for shearing a plate material from the uncoiler, a positioning member capable of abutting on a tip end of the plate material carried in by the conveyor and capable of protruding and retracting with respect to a pass line, and a plate material on the conveyor And a carriage capable of gripping and moving and positioning the same in the same direction as the direction of conveyance of the conveyor. 4. The plate processing apparatus according to claim 3, further comprising a work origin positioning device for moving the plate member on the conveyor to abut the positioning member on the conveyor frame side. 5. A plate processing machine, a conveyor for supporting the plate processed by the plate processing machine and carrying the plate into the plate processing machine, and a coil formed by feeding the plate to the conveyor. An uncoiler provided in the above, a shearing device for shearing a plate material from the uncoiler, a positioning member capable of abutting on a tip end of the plate material carried in by the conveyor and capable of protruding and retracting with respect to a pass line, and a plate material on the conveyor And a carriage that can be moved and positioned in the same direction as the conveying direction of the conveyor, and a positioning member that can freely contact the leading end of the plate material before shearing in the carriage, so that the carriage can move in and out of the pass line. A plate processing apparatus characterized by being provided. 6. The plate material processing apparatus according to claim 5, wherein a work origin position determining device for moving the plate member on a conveyor to abut the positioning member is provided in the carriage.