JP2549012Y2 - Plate processing machine - Google Patents

Description

[Detailed description of the invention]

[0001]

This invention relates to a plate processing machine,
More specifically, the present invention relates to a sheet material processing machine having an improved positioning device for carrying in and positioning a work on a front table provided in front of the sheet material processing machine.

[0002]

2. Description of the Related Art Conventionally, a front table is provided in front of an ironing bending machine, for example, for bending a work as a plate processing machine, for supporting the work and moving the work toward the bending machine.

[0003] A moving positioning device for carrying a work onto the front table from a carry-in table and positioning the work,
Clamp one end (front end) of the work with the work clamp,
The work clamp is constituted by a feed mechanism such as a ball screw and a rack and pinion.

[0004]

By the way, if only a ball screw or a rack and pinion is used as the above-mentioned conventional feed mechanism, if the length of the work is long, the length of the ball screw or the rack must be increased. Must.
Therefore, the number of rotations of the ball screw and the pinion cannot be increased, and high-speed transfer cannot be performed, and there is a problem in space.

The object of the present invention is to reduce the length of the screw shaft to about half that of the prior art, to provide a cylinder device on a nut member screwed to the screw shaft, and to further improve the cylinder device. A work clamp that clamps the work at the same time provides an automatic movement determining device that enables simultaneous rotation of the screw shaft and operation of the cylinder device, enabling high-speed transfer of work and advantageous space. It is an object of the present invention to provide a plate processing machine.

[0006]

In order to achieve the above-mentioned object, the present invention provides a front table for supporting a work at the front side of a plate processing machine, and a longitudinal table of the plate processing machine on a center of the front table. A work automatic positioning device is provided for loading and positioning a work from a direction perpendicular to the direction, and the work automatic positioning device is provided with a rotatable screw shaft provided extending in parallel with the longitudinal direction of the plate processing machine. A cylinder device that is movable in the longitudinal direction of a plate processing machine provided on a nut member screwed to the screw shaft;
And a work clamp provided at one end of the cylinder device for clamping a work.

[0007]

[Function] By adopting the plate processing machine of this invention,
A front table for supporting a work is provided on the front side of the plate material processing machine. On the center of the front table, there is provided a work automatic positioning device for carrying in and positioning a work from a direction orthogonal to the longitudinal direction of the plate processing machine.

One end (front end) of the work is clamped by a work clamp constituting a part of the automatic work positioning device, and the screw shaft is rotated. When the cylinder device is operated, the nut member is rotated by the rotation of the screw shaft. It moves and the work clamp provided on the cylinder device is simultaneously moved in the same direction. In addition, by accurately detecting the rotation speed of the screw shaft and simultaneously moving the cylinder device, the operation can be performed at a high speed, so that the center of the work clamped by the work clamp is transferred at high speed to the center of the front table. And positioned exactly. Further, by moving and positioning the front table to the plate processing machine side, the work is processed by the plate processing by the plate processing machine.

[0009]

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

As the sheet processing machine, various machines such as a bending machine and a shearing machine are known. In this embodiment, an ironing bending machine of the bending machines will be described as an example.

Referring to FIG. 4, a front table device 3 for supporting a work W is disposed on the front side (lower side in FIG. 4) of the ironing and bending machine 1. Since the configuration of the ironing and bending machine 1 is already known, a detailed description thereof will be omitted. However, the work W is pressed and fixed by a top die and a bottom die, and the edge of the work W is bent for forward bending, reverse bending or middle bending. It is bent in a mold to form a box-shaped product, for example.

A work carrying table 5 for carrying the work W into the front table device 3 is arranged on the right side of the front table device 3 in FIG. 4, and a work product is processed by the ironing and bending machine 1 on the left side. A work unloading table 7 for unloading is arranged.

The front table device 5 has a work W
The front table 9 is made up of a front front table 9A and a rear front table 9B for carrying and supporting the work table from the work carry-in table 5. The front tables 9A and 9B are arranged in the X-axis and Y-axis directions at the center. Are formed with grooves 11A and 11B. An automatic positioning device 13 for carrying the work W from the work carry-in table 5 to the front table 9 and positioning it is movably provided in the groove 11A in the X-axis direction. A manipulator 15 is provided for clamping and moving the work W in the Y-axis direction along the groove 11B and for following the bending of the work W. Since the configuration of the manipulator 15 is already known, a detailed description is omitted. Also, the grooves 11A and 11B
After the work W is positioned at the central portion where the work W intersects, the work W is pressed and fixed in order to turn the side to bend the work W toward the bending machine 1 side, for example, 90 degrees or 180 degrees.
A swivel table 17 that swivels by degrees is provided. Since the specific configuration of the turning table 15 is already known, a detailed description thereof will be omitted.

As a specific configuration of the front table 3, as shown in FIGS. 2 and 3, both sides of the base 19 in FIG.
L is attached by bolts or the like, and the front and rear front tables 9A and 9B are provided on the support frames 21R and 21L.

A slider 23 movable in the Y-axis direction by a drive device (not shown) is provided on a plurality of guide rails 25 extending in the Y-axis direction on the base 3 at a lower portion at a substantially central portion of the front tables 9A and 9B. Along the Y-axis. Therefore, the manipulator 15 clamps the work W and is moved toward the ironing and bending machine 1 in the Y-axis direction.

The work table 27 provided in the groove 11A extending in the X-axis direction is provided with a guide member 29 extending in the X-axis direction in FIG. Bearings 31 are located on the right and left sides of the center of the work table 27.
R and 31L are supported, and these bearings 31R and 31L
A ball screw 33 is supported as a rotatable screw shaft extending in the X-axis direction.

A nut member 35 is screwed to the right side of FIGS. 1 and 3 of the ball screw 33. The right part of a rodless cylinder 37 as a cylinder device is connected to the nut member 35 as shown in FIG. , Support block 39
And the rodless cylinder 37
The slider 4 guided by the guide member 29
1 is attached.

As shown in FIG. 1, a servo motor 45 having an encoder is mounted on a lower portion of the right side of the work table 27 via a bracket 43 as shown in FIG. A drive pulley 47 is mounted on the output shaft of the servo motor 45, and another pulley 49 is mounted on the right end of the ball screw 33. This pulley 4
A belt 51 is wound around 9 and the driving pulley 47.

A work clamp 53 for clamping the work W is provided at the right end of the rodless cylinder 37 in FIG.
And mounted as shown in FIG.

With the above configuration, when the servo motor 45 is driven, the driving pulley 47, the belt 51, and the pulley 49
, The ball screw 33 is rotated. When the ball screw 33 is rotated, the nut member 35 is moved leftward in the X-axis direction in FIGS. That is, the nut member 35 is moved to the vicinity of the bearing 31L as shown by a two-dot chain line in FIG. The leftward movement of the nut member 35 is accurately positioned by detecting the rotation speed of the ball screw 33 with an encoder. Therefore, the rodless cylinder 37 is
Is moved from the position indicated by the solid line to the stroke end indicated by the two-dot chain line.

A support block 39 is attached to the nut member 35.
A work clamp 53 for clamping the work W is provided at the right end of the rod cylinder 37 provided in FIG. 3 in FIG. 3. Thus, by operating the rodless cylinder 37, the work clamp 53 is connected to the rodless cylinder 53. It will be moved to the left end (stroke end).

Therefore, by substantially simultaneously driving the servo motor 33 and operating the rodless cylinder 37, the work clamp 53 which clamps the work W can move roughly to the stroke end (left end) of the rodless cylinder 37. At the same time, the work clamp 53 can be accurately moved and positioned via the nut member 35 screwed to the ball screw 33, and can convey the work W at a higher speed than the conventional conveyance speed.

Further, the center of the work W is located between the grooves 11A and 1A.
The ball screw 33 is positioned at the center of the work table 27 intersecting with 1B, and the length of the ball screw 33 can be reduced to about half of the conventional length.

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

[0025]

As will be understood from the above description of the embodiments, according to the present invention, since the configuration is as described in the claims for utility model registration, it is provided at the front side of the plate material processing machine. When the workpiece is transported to the front table and positioned, the workpiece can be transported at a higher speed than in the past and can be positioned accurately, and the space is more advantageous than before. It is particularly effective when the length of the work is long.

[Brief description of the drawings]

FIG. 1 shows a main part of the present invention, and shows II in FIG.
It is an expanded sectional view along a line.

FIG. 2 is an enlarged detailed view of a part viewed from an arrow III in FIG. 4;

FIG. 3 is a front view of FIG.

FIG. 4 is a conceptual plan view of a sheet material processing machine according to an embodiment for implementing the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ironing bending machine (plate processing machine) 3 Front table device 9A, 9B, front and rear front tables 13 Work movement positioning device 27 Work table 33 Ball screw (screw shaft) 35 Nut member 37 Rodless cylinder (cylinder device) 45 Servo motor 53 Work clamp

Claims (1)

(57) [Scope of request for utility model registration] A front table for supporting a work is provided at a front side of a sheet processing machine, and a work is automatically positioned on a center of the front table by carrying the work in a direction orthogonal to a longitudinal direction of the plate processing machine. The work automatic positioning device is provided with a rotatable screw shaft extending in parallel with the longitudinal direction of the plate material processing machine, and a plate material processing device provided on a nut member screwed to the screw shaft. A plate processing machine comprising: a cylinder device movable in a longitudinal direction of the machine; and a work clamp provided at one end of the cylinder device for clamping a work.