JPH081796Y2 - Origin positioning device for plate processing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention relates to an origin positioning device for positioning the origin of a plate in a plate processing machine such as a laser processing machine or a turret punch press.

(Prior Art) In a laser beam machine as an example of a plate material processing machine, an origin positioning device for positioning the origin of a plate material supported by a work table will be described. The origin table is movable in the x-axis and y-axis directions on the work table. In the clamp device provided, a member is provided for y-axis positioning for positioning the origin in the y-axis direction so as to project from the pass line, and on the right side of the work table, the origin is positioned in the x-axis direction. The x-axis positioning member is provided. The above-mentioned x-axis origin positioning member is capable of retracting with respect to the pass line,
In order to adjust the position to the origin position in the x-axis direction, the position can be adjusted and fixed in the x-axis direction via a plurality of adjustment bolts.

(Problems to be solved by the invention) However, in the above-described origin positioning device in the plate material processing machine, the x-axis origin positioning member is appropriately adjusted to the origin position in the x-axis direction by the plurality of adjustment bolts. Therefore, there is a problem that this position adjustment is troublesome.

Therefore, an object of the present invention is to provide an origin positioning device in a plate material processing machine that can solve the above problems.

[Structure of the Invention] (Means for Solving the Problems) In order to solve the above-mentioned conventional problems, in the present invention, a work table for supporting a plate material with a pass line is provided, and the plate material is gripped on the work table. In a plate material processing machine provided with a clamp device for movably in the x-axis direction and the y-axis direction, a y-axis origin positioning member for performing origin positioning of the plate material in the y-axis direction is projected to the pass line on the clamp device. In order to position the origin of the plate material in the x-axis direction, a substantially cylindrical x-axis origin positioning member is provided on one side of the work table so as to be retractable with respect to the path line, and is rotated via an eccentric shaft. An origin positioning device in a plate material processing machine, which is provided so as to be fixed.

(Operation) In the above configuration, the x-axis origin positioning member is projected with respect to the pass line. Next, by rotating the x-axis origin positioning member about the eccentric axis, the x-axis origin positioning member is moved in the x-axis direction by a predetermined amount to position the x-axis origin positioning member at the origin position in the x-axis direction. .
Then, the position adjustment of the x-axis origin positioning member is completed by fixing the x-axis origin positioning member in a non-rotatable state.

After the position adjustment of the x-axis origin positioning member is completed, the plate material supported by the work table is brought into contact with the x-axis origin positioning member and the y-axis origin positioning member to complete the origin positioning of the plate material. Then, after gripping the plate material with the clamp device, the clamp device is moved in the x-axis and y-axis directions, and the plate material processing machine is appropriately operated,
The plate material is processed as desired.

(Example) Hereinafter, the Example which concerns on this invention is described based on drawing.

With reference to FIG. 7, as an example of a plate material processing machine, a laser processing machine 1 includes an upper frame 3 and a lower frame 5 which are vertically opposed to each other, and the front side (the left side in FIG. 7) of the upper frame 3 is provided. A laser processing head 9 optically connected to the laser oscillator 7 is provided. The laser processing head 9 irradiates the plate W with laser light.

A work table 13 provided with a large number of free rolling bearings 11 for supporting the plate material W on a pass line is provided below the laser processing head. The work table 13 is composed of left and right (upper and lower in FIG. 7) movable tables 15 and 17, and a central fixed table 19, and the movable tables 15 and 17 are guided by rails 21 attached to the lower frame 5. Can move in the front-back direction, in other words, in the y-axis direction.

The movable tables 15 and 17 have a horizontal direction, that is, x.
A carriage base 23 extending in the axial direction is integrally provided, and a carriage 25 is provided on the carriage base 23 so as to be movable in the x-axis direction. The carriage 25 is provided with a clamp device 27 for holding the plate material W.

As can be understood from the above configuration, after the plate material W is positioned at the origin position, the clamp device 27 grips the vicinity of the end of the plate material W. Next, by moving the carriage 25 in the x-axis (horizontal) direction and moving the carriage base 23 in the y-axis (front-back) direction integrally with the movable tables 15 and 17,
The plate material W can be moved in the x-axis direction and the y-axis direction to be positioned vertically below the laser processing head 9. Then, by appropriately operating the laser oscillator 7 and irradiating the plate material W with laser light from the laser processing head 9, desired laser processing can be performed.

X-axis direction of the plate material W supported by the work table 13, y
Origin positioning device 29 for positioning the origin in the axial direction
Is provided.

Regarding the details of the origin positioning device 29, the clamp device 27 is provided with a y-axis origin positioning member 31 for positioning the origin in the y-axis direction. The y-axis origin positioning member 31 projects from the pass line.

On the right side of the movable table 15, a substantially columnar x-axis origin positioning member 33 for positioning the origin in the x-axis direction is provided so as to be projectable with respect to the pass line.

For details of the x-axis origin positioning member 33, refer to
Referring to FIG. 2, FIG. 3, FIG. 4, and FIG. 4, the left side of the carriage base 23 in FIG.
A support arm 35 is attached via a mounting bolt 37 to the back side of the sheet at 47 and the lower side in FIG.
The support arm 35 has a substantially inverted R-shaped cross section and is arranged on the left side of the movable table 15. A guide member 39 is attached to the front end portion of the support arm 35 via a mounting bolt 41, and an elevating body 43 is vertically movable and rotatable on the guide member 41. In order to move the lifting body 43 up and down, a lever 47 is integrally attached to a through hole 45 provided in the lifting body 43 via a plurality of setscrews 49.

The lever 47 is an opening provided in the guide member 39.
51 through the front side of the support arm 35 as shown in FIG. 6 (right side in FIG. 1, FIG. 2, FIG. 3, FIG.
In the figure, an inverted L-shaped guide hole 53 provided on the front side facing the plane of the drawing is provided so as to penetrate therethrough. Also, the above mounting arm 35
One end of a spring 57 attached with a bolt 55 attached to is attached to the lever 47. A limit switch 59 having a roller 59a is provided at an appropriate position of the support arm 35 in order to detect that the lifting body 43 is located at a predetermined downward position.

With the above configuration, by moving the lever 47 up and down along the guide hole 53, the lifting body 43 can be moved up and down.
Further, when moving up and down, the lifting / lowering body 57 slightly rotates. When the elevating body 43 is kept in a predetermined downward position against the urging force of the spring 57, the lever 47 is in the state shown in FIG.

The x-axis origin positioning member 33 as shown in FIG. 5 having a convex portion 63 is provided in engagement with the concave portion 61 provided on the upper surface of the elevating body 43. The x-axis origin positioning member 33 is eccentric with respect to the lifting body 43, and its rotation is adjustable. Then, in order to fix the x-axis origin positioning member 33 in a non-rotatable state with respect to the lifting body 43, a fixing bolt 67 penetrating the eccentric hole 65 of the x-axis origin positioning member 31 is mounted on the lifting body 43.
It is installed by screwing on. The x-axis origin positioning member 33
The eccentric shaft of is aligned with the shaft center of the fixing bolt 67.

The operation of this embodiment will be described based on the above configuration.

By appropriately operating the lever 47 to move the elevating body 43 up and down, the x-axis origin positioning member 33 is projected to the pass line. Next, by rotating the x-axis origin positioning member 33 with the fixing bolt 67 loosened,
The x-axis origin positioning member 33 is moved in the x-axis direction by a predetermined amount and is positioned at the x-axis origin position. Then, the fixing bolt 67 is tightened to fix the x-axis origin positioning member 33 in a non-rotatable state, thereby ending the position adjustment of the x-axis origin positioning member 33.

After the position adjustment of the x-axis origin positioning member 33 is completed, the plate material supported by the work table 13 is brought into contact with the x-axis origin positioning member 33 and the y-axis origin positioning member 29, and the origin positioning of the plate material W is completed.

Next, after the plate material W is gripped by the clamp device 27, the clamp device is inserted through the carriage base 23 and the carriage 25.
The plate material W is positioned vertically below the laser processing head 9 by moving in the 27x-axis direction and the y-axis direction. Then, by appropriately operating the laser processing head 9 to irradiate the plate material W with laser light and ejecting an assist gas, desired laser processing can be performed on the plate material W.

According to this embodiment, the lifting body is provided on the right side of the work table 13.
The x-axis origin positioning member 33, which is eccentrically arranged with respect to 43, is rotatably and fixedly provided through a fixing bolt 67 so that the x-axis origin positioning member 33 is adjusted to the x-axis origin position. Is relatively easy.

It should be noted that the present invention is not limited to the above description of the embodiments, but can be implemented in various other modes by making appropriate changes.

[Effects of the Invention] As can be understood from the description of the embodiment as described above,
According to the present invention, a substantially cylindrical x is formed on one side of the work table.
Since the axis origin positioning member is rotatably and fixedly provided via the eccentric shaft, it is relatively easy to adjust the position of the x axis origin positioning member to the x axis origin position.

[Brief description of drawings]

The drawings are for explaining the embodiments according to the present invention.
The figure is a diagram showing an essential part of the present embodiment. FIG. 2 is a left side view of FIG. FIG. 3 is a bottom view of FIG. FIG. 4 is a view taken along the line IV-IV in FIG. FIG. 5 is a view showing an arrow V in FIG. FIG. 6 is a view showing an arrow VI in FIG.
FIG. 7 is a plan view of the laser processing machine. 1 …… Laser processing machine, 13 …… Work table 27 …… Clamping device 31 …… Y-axis origin positioning member 33 …… X-axis origin positioning member

Claims (1)

[Scope of utility model registration request] 1. A plate material processing machine comprising a work table for supporting a plate material on a pass line, and a clamp device for gripping the plate material provided on the work table movably in the x-axis direction and the y-axis direction. The plate y is attached to the clamp device.
A y-axis origin positioning member is provided on the side of the work table so as to position the origin of the plate material in the x-axis direction. An origin positioning device for a plate material processing machine, which is provided so as to be capable of appearing and retracting with respect to a pass line, and rotatable and fixed via an eccentric shaft.