JPH0441030A - Method and device for working sheet material - Google Patents

Abstract

PURPOSE:To improve the productivity by stopping the advance of the work with the work knocking device, measuring the required length with the position detector, successively cutting it with the shearing machine, and then working with the sheet working device. CONSTITUTION:The advance of the work W is stopped by fixing the shearing machine 5 at the left side fixed table 31 set on the front end of the press main machine 3, pulling out the band like work W wound to the uncoiler 85 with the motor to drive the main driving gear of the roll feeder 7, knocking the top end of the work W to the work knocking device 11 set on the central fixed table 29 of the press main machine 3, and starting the NC device controlled with programming. Then the work W is catched with the work clamp 53 of the carrage 37, and at a same time, the work knocking device 11 is descended by starting the NC-device, the work W is pulled to the Y axial direction, measured with the encorder 9, made to the prescribed length, cut with the shearing machine 5, continuously the work W of the standard length is changed to be clamped with the work clamp 53, and the punching work is executed with the next press main machine 3.

Description

[Detailed Description of the Invention] [Objective of the Invention] (Industrial Application Field) This invention cuts a workpiece to a required length by installing a shearing machine on the front side of a plate processing machine, and then processes the plate material. The present invention relates to a plate processing method and an apparatus for the same.

(Prior art) For example, a turret punch press, which is a plate material processing device using conventional automatic control means, uses a fixed-length material, but in order to obtain material according to the size of the workpiece, it is necessary to install it separately from the main body. A shearing machine was used to cut the material to a specified length, and the material was fed to a turret punch press for processing.

In addition, for line-compatible turret punch presses installed on the shearing line, a measuring device such as an encoder is installed on the workpiece feeder before being carried into the shearing machine, and this measures the length of the workpiece to be cut. Ta.

(Problem to be solved by the invention) However, in the conventional plate processing method and its device,
Cut the material according to the size of the workpiece separately from the main body,
Because it was supplied to processing equipment, extra effort, effort, and time were required to transport it, which significantly hindered productivity.

In addition, since conventional processing equipment is equipped with an encoder on each transport device, it is necessary to install a measuring device such as an encoder on the shearing line to measure the cut length of the workpiece before it is carried into the shearing machine. There were issues such as being wasteful.

The purpose of the present invention is to provide a plate processing method and apparatus for sequentially performing shirring and plate processing in order to improve the above-mentioned problems and to eliminate unnecessary labor, wasted labor, and wasted time. be.

[Structure of the Invention] Means for Solving Problem 1) In order to achieve the above object, the present invention abuts a transported plate-shaped work against a work abutting device provided in a plate processing device. After that, the desired length of the workpiece is measured using the workpiece clamp installed in the sheet processing device, and the desired length of the workpiece is measured using a one-position detector.While the workpiece is stopped, the shearing machine installed at the front side of the sheet processing device cuts the workpiece, and then the sheet processing device This is a plate material processing method characterized by performing predetermined plate material processing.

The present invention also provides a shearing machine that is installed on the front side of a plate processing device and cuts a plate-shaped work, a retractable work abutting device that abuts and positions a conveyed work, and a workpiece that clamps the work. A workpiece moving and positioning device that is equipped with a clamp and is movable to move and position the workpiece in the front and rear and left and right directions, and a position detector that is installed in this workpiece movement and positioning device and detects the movement of the workpiece and the desired length of the workpiece. The processing equipment was constructed.

(Function) By adopting the plate material processing method and its device of the present invention, the advance of the workpiece is stopped when it hits the workpiece abutment device, the workpiece is pulled out with the workpiece clamp, and the required length is determined by the position detector. By measuring and subsequently cutting with a shearing machine, re-grabbing the workpiece with a workpiece clamp, moving and positioning it, and performing plate processing operations, you can eliminate unnecessary labor, wasted labor, and wasted time. This will improve sexual performance.

(Embodiment) Hereinafter, one embodiment of the present invention will be described based on the drawings.

For ease of understanding, in this embodiment, a turret punch press will be explained as a plate processing machine.

Referring to FIGS. 1, 2, and 3, a turret punch press 1 equipped with a shearing machine includes a turret punch press (hereinafter referred to as the press machine) 3, a shearing machine 5, a roll feeder 7, and an encoder. (Position detector device) 9 and a workpiece butting device Wll.

First, the main structure of the turret punch press 3 that punches a workpiece (plate material) W will be schematically explained.

The turret punch press 3 is integrally formed into a portal shape by a lower frame 13, a column, and an upper frame 15.

In the middle between the lower frame 11 and the upper frame 15,
A rotatable lower turret 19 is supported on a shaft 17 provided on the lower frame 11, and a rotatable upper turret 23 is supported on a shaft 21 provided downward on the upper frame 15. . Furthermore, the lower turret 19 and the upper turret 23 are rotated in synchronization.

A plurality of bunches 25 are arranged on the circumference of the upper turret 23, and a plurality of dies 27 are arranged on the circumference of the lower turret 19.
is mounted at a position corresponding to the bunch 25.

Although not shown in the drawings, the upper frame 15 is provided with a ram that is movable up and down and is engaged with a crankshaft via a drive member from an electric motor.

Between the lower frame 11 and the upper frame 15, the lower frame 11 is integrally provided with a central fixed table 29 for supporting the workpiece W, and the left side of the central fixed table 29 (in FIG. A left side fixed table 31 is arranged on the left side of the figure, and a movable table 33 is arranged on the right side (the right side of the paper in FIG. 1).

The movable table 33 is movable in the Y-axis direction (vertical direction in FIG. 2) via a rail 34 integrally attached to the lower frame 11.

At the frontmost end of the central fixed table 29, left fixed table 31, and movable table 33, there is a workpiece positioning device 35 for moving and positioning the workpiece W in the Y-axis direction and the X-axis direction (horizontal direction in FIG. 2). It is provided.

The workpiece positioning device 35 includes a carriage 37 that allows the workpiece W to be moved in the X-axis direction and a carriage base 39 that allows the workpiece W to be moved in the Y-axis direction.

The carriage 37 and the carriage base 39 are connected to a ball screw 41 mounted on the carriage base 39 and the carriage 3.
It is connected by screwing with a nut member 43 attached to 7.

The carriage 37 is moved in the X-axis direction by activation of a servo motor 45 attached to a carriage base 39 and equipped with an encoder 9 as a position detector.

Further, a nut plate 47 is attached to the carriage base 39, and a ball screw 49 screwed into the nut plate 47 is connected to an output shaft of a motor 51 attached to the lower frame 13.

With the above configuration, when the motor 51 is started, the carriage base 39 is connected to the Y via the ball screw 49 and the nut plate 47.
Move in the axial direction.

A plurality of work clamps 53 are attached to the carriage 37, and firmly clamp the work W.

A workpiece abutting device 11 is installed at a predetermined position on the central fixed table 29 through which the workpiece W passes.

The workpiece abutment device 11 is installed (e.g., by a hydraulic cylinder) so as to be able to appear and disappear (elevate and descend) above and below the pass line PL, and when the workpiece W conveyed by the roll feeder 7, which will be described next, abuts against it, the relay circuit is activated. is activated, and the program-controlled NC device (not shown) is activated.
The progress of the workpiece W is stopped.

Therefore, the workpiece W is grabbed by the workpiece clamp 53 of the carriage 37, and at the same time, the NC device is activated to lower the workpiece abutting device 11.

Next, the workpiece W is pulled out to a desired length in the X-axis direction, the workpiece clamp 53 grips it again to grip it at an appropriate position, the shearing machine 5 cuts it, and the press machine 3 punches it.

Note that the encoder 9 is connected to the ball screw 4 of the carriage 37.
The length of the workpiece W can be measured as the carriage 37 is operated.

The shearing machine 5 is attached to a fixed table 31 on the left side of the press machine 3, and as shown in FIG. A movable upper blade 65 is provided on the ram 63, which is lowered by a hydraulic cylinder 61 method using pressure oil distributed from the press body 3, or by a mechanical method using, for example, a trouble structure (not shown). The workpiece W is cut by shearing in cooperation with the blade 57.

The roll feeder 7 is firmly attached to a bracket 67 provided on the front side of the shearing machine 5 via a seat plate 69.

The roll feeder 7 is a motor shaft 7 of a motor (not shown).
A main drive gear 73 is fixed to 1, and this main drive gear 73
is in mesh with a driven gear 77 fixed coaxially with the lower roller 75.

The lower roller 75 is vertically in axial contact with an upper roller 79 provided along the pass line PL.
5 is fixed to its lower roller shaft 81, while the upper roller 79 is rotatably supported by the upper roller shaft 83, and rotates with the rotation of the lower roller 75 via the workpiece W. The workpiece W is conveyed to the shearing machine 5 in cooperation with the lower roller 75.

Next, a workpiece punching line (hereinafter simply referred to as a processing line) including the turret punch press 1 equipped with the shearing machine of this embodiment will be explained.

First, in FIGS. 1 and 2, a belt-shaped workpiece W is wound around an uncoiler 85 located at the forefront of the processing line, and the workpiece W is transferred to the main drive gear of the roll feeder 7 (not shown). ), and the next leveler 87 prevents the work W from shifting to the left or right.

The workpiece W is drawn into the next loop controller 89 through a rectifier tube 91 installed at the inlet, guided by a plurality of guides 93 installed inside the device, pulled out through a rectifier tube 95, and transferred to the roll feeder. be drawn into.

When the workpiece W passes through the vessel, a phototube 97 attached to a guide 93 detects if the workpiece W expands too much due to its own elasticity, and a limit switch 99 corrects the expansion.

This workpiece W is further drawn into the roll feeder 7 described above, and thereafter is subjected to the operations described above.

As explained above, in the plate material processing method and device incorporating the shearing machine of this embodiment, the shearing machine 5 is fixed to the left fixed table 31 installed at the front end of the press machine 3, and the roll feeder is A workpiece abutting device 11 installed on the central fixed table 29 of the press machine 3 pulls out a strip-shaped workpiece W wound around an uncoiler 85 by a motor that drives the main gear 73.
The tip of the workpiece W is brought into contact with the N
Start up the C device and stop the progress of the workpiece W.

Therefore, the workpiece W is grabbed by the workpiece clamp 53 of the carriage 37, and at the same time, the NC device is activated to lower the workpiece abutting device 11, the workpiece W is pulled out in the Y-axis direction, and is measured by the encoder 9 to have a predetermined length. The workpiece W is cut by the shearing machine 5 to obtain a regular length material, and then the workpiece W is gripped again by the workpiece clamp 53 and then punched by the next press machine 3.

This makes it possible to eliminate extra effort, wasteful labor, and time that was conventionally required, and thus improve productivity.

It should be noted that the present invention is not limited to the embodiments described above, but can be implemented in other embodiments by making appropriate changes. For example, in this embodiment, a turret punch press is used as the plate processing apparatus, but other plate processing apparatus such as a punch press or a laser processing machine other than the turret may also be used.

[Effects of the Invention] As can be understood from the above description of the embodiments, according to the present invention, the advance of the workpiece is stopped by the workpiece abutment device, the workpiece is cut by the position detector, and thereafter, By performing processing work using plate processing equipment,
In addition to improving productivity by eliminating extra effort, wasted labor, and wasted time, on the shirring line, it is sufficient to install a position detector on the plate processing equipment to measure the cutting length of the workpiece. The effect of eliminating waste can be obtained.

[Brief explanation of drawings]

FIG. 1 is a side view of an embodiment of a workpiece punching line including the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a side view of a roll feeder and a shearing machine. 1... Turret punch press equipped with a shearing machine 3... Turret punch press (press machine) 5...
Shearing machine 7... Roll feeder 9... Encoder (position detector) 11... Workpiece abutment device 1... Left side fixed table 7... Carriage

Claims (2)

[Claims] (1) After abutting the transported plate-shaped workpiece against the workpiece abutting device provided in the plate processing device, the desired length of the workpiece is determined using the workpiece clamp provided in the plate processing device and the pull-out position detector. A sheet material processing method characterized in that the sheet material is cut by a shearing machine provided on the front side of a sheet material processing device in a stopped state after measurement, and then a predetermined sheet material processing is performed by the sheet material processing device. (2) A shearing machine that is installed in the front side of the plate processing device and cuts plate-shaped workpieces, and a retractable workpiece abutment device that abuts and positions the conveyed workpieces;
A movable workpiece movement and positioning device that is equipped with a workpiece clamp that clamps a workpiece and moves and positions the workpiece in the front and back and left and right directions, and a position detector that is installed in this workpiece movement and positioning device and detects the movement of the workpiece and the desired length of the workpiece. A plate processing device comprising: