JP2001246490A - Machining table skid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a machining table skid which facilitates manufacturing on a workpiece and exchange of components in a short time in a laser beam machine. SOLUTION: The machining table skid consists of supporters 7 for supporting a workpiece W, a base board 4 for bringing the supporters 7 into contact with the workpiece, and holder plates 5, 6 for engaging the supporters 7 by holding the base board 4 from both sides; in addition, the supporters 7 are designed to be freely attachable, detachable and exchangeable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a machining table skid, and more particularly to a machining table skid which can be easily and quickly manufactured and replaced in a laser beam machine.

[0002]

2. Description of the Related Art Conventionally, in a laser beam machine, as shown in FIG.
Are arranged, and the work W is supported by the skid 51.

[0003] The skid 51 is formed of a sheet metal having a predetermined thickness, and a portion in contact with the work W is pointed in a triangular or needle shape as shown in the figure. It has a shape that is difficult to do.

[0004]

[Problems to be solved by the invention]

Since the skid 51 (FIG. 5) is worn out during use, the operator replaces the skid 51 by newly manufacturing it with a laser beam machine.

However, the skid 51 has a frequently used portion within the processing range, and often only a part of the skid 51 is worn.

For example, normally, the vicinity of X = 0 and Y = 0 on the machining program is frequently used regardless of the size of the work W, and the wear near X = 0 and Y = 0 is remarkable. (R region in FIG. 1).

However, conventionally, even if a part of the skid 51 is worn, the entire part including the worn part is manufactured by a laser beam machine, and the manufactured skid is replaced with an old skid.

Therefore, manufacturing a large number of tens to hundreds of tens of skids including consumable parts is a heavy burden, takes time, and it is not easy to replace the manufactured skids. , And the time is extremely long.

[0010] As a result, the processing time of the original work W is limited for the manufacture and replacement of the skid, and the processing efficiency is reduced.

An object of the present invention is to provide a laser processing machine,
An object of the present invention is to provide a processing table skid which can be easily manufactured and exchanged in a short time.

[0012]

According to the present invention, as shown in FIG. 1, a support piece 7 for supporting a work W, a substrate 4 for abutting the support piece 7, A technical means called a processing table skid, comprising clamping plates 5 and 6 for retaining the support piece 7 by clamping the substrate 4 from both sides, and making the support piece 7 detachable and replaceable. I have.

According to the configuration of the present invention, the shape of the support piece 7 as a consumable (FIG. 4A) is made, for example, a simple square, so that the support piece 7 can be easily and quickly prepared using a shearing machine or the like. It can be replaced with a new support piece 7 only when the square support piece 7 'is not reusable (the right support piece 7' in FIG. 4B). Can be.

Therefore, in the laser beam machine, it is possible to provide a machined table skid which can be manufactured and exchanged easily and in a short time.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the accompanying drawings according to embodiments. FIG. 1 is an overall view showing an embodiment of the present invention.

The illustrated laser beam machine has a machining table 1
And a processing table skid 2 is disposed on the processing table 1.

The laser processing machine has a processing head 9 which moves to a processing position and performs a predetermined laser processing on the work W.

The processing table skid 2 has a frame 3, and an assembly comprising a support piece 7, a substrate 4, and sandwich plates 5, 6 is provided on the left frame 3A and the right frame 3B of the frame 3 (FIG. 2). ) A plurality of them are attached in the X-axis direction.

A plurality of the support pieces 7 are arranged in the Y-axis direction with respect to each substrate 4 to support the work W (FIG. 1).

The support piece 7 has, for example, a square shape (FIG. 4A), the lengths a of all four sides are all equal, and all four corners are 90 °. It is detachable and replaceable (FIG. 4B).

In this case, the support piece 7 is generally formed in a regular polygon including an equilateral triangle, but the workability of the support piece 7 itself, the workability of the substrate 4 and the support piece 7 are further improved.
Since the height of the support piece 7 can be used most effectively, the above-described square is the most suitable as the shape of the support piece 7 (FIG. 4A).

With this structure, the support piece 7 '(FIG. 4B)
(Right side) is replaced with a new support piece 7 only when all the vertices C1 'to C4' are worn out and cannot be reused.

Since the support piece 7 is square,
It has a simple shape and can be easily and quickly manufactured with a shearing machine. Further, since the support piece 7 can be easily processed by using a material such as copper or brass that is optimal for the work support piece, the production is simplified.

A large number of such square supporting pieces 7 are manufactured in advance (FIG. 4A) and stored in a rack or the like.
When the support piece 7 'is worn out and needs to be replaced (see FIG.
(Right side of (B)).

Accordingly, since only the support pieces 7 which are consumables of the working table skid 2 can be easily manufactured using a shearing machine or the like, according to the present invention, the manufacturing of the working table skid 2 is easy and short. There is an effect that it can be performed in time.

The support piece 7 is square as described above, and its two opposing vertices C1 and C2 are as shown in FIG.
(A)), it is arranged on the vertical line V, and the other two opposing vertices C3 and C4 are arranged on the horizontal line H, respectively.

On the other hand, the substrate 4 is formed in a rectangular shape that is long in the Y-axis direction (FIGS. 1, 2 and 3).

A notch 4A is formed in the substrate 4 (FIG. 3A). The notch 4A corresponds to the lower half 7B of the square support piece 7, and the whole is It has the shape of a right-angled isosceles triangle whose length of two sides is a.

The vertices D3 and D4 above the notch 4A are:
At the vertices C3 and C4 on the horizontal line H of the support piece 7 (FIG.
(A)), a vertex D2 below the notch 4A corresponds to a lower vertex C2 on the vertical line V of the support piece 7, respectively.

With this configuration, the lower half 7 of the support piece 7 is provided.
Each side of B is exactly in contact with each side of the cutout 4A, and the supporting piece 7 is placed on the cutout 4A of the substrate 4 via the lower half 7B and the upper half 7A is It protrudes upward (FIG. 3B), and a plurality of such support pieces 7 are arranged in the Y-axis direction as described above (FIGS. 1 and 2).

Further, a screw hole 4B is formed in the substrate 4 (FIG. 2), and the screw hole 4B corresponds to the screw holes 5B, 6B formed in the sandwich plates 5, 6.

The holding plates 5 and 6 (FIG. 2) have the same length in the Y-axis direction as the Y-axis direction of the substrate 4 and the height (FIG. 4).
(B)) It is slightly larger than the height of the substrate 4.

With this configuration, the substrate 4 is sandwiched between the sandwich plates 5 and 6 on both sides thereof.
6 is fixed by bolts 8 (FIGS. 1, 2,
(FIG. 3 (B)).

Accordingly, the notch 4A of the substrate 4 (FIG. 3)
(B)) Each supporting piece 7 placed is abutted and locked on the sandwiching plates 5 and 6, so that it does not swing even if the work W is supported, and is firmly fixed.

The support piece 7 and the substrate 4
And the sandwich plates 5 and 6 constitute an assembly (FIG. 1). The assembly is composed of a left frame 3A and a right frame 3B of the frame 3.
Between both sides of the assembly and the left frame 3
A, the right frame 3B is joined by welding or the like.

Thus, as described above, a plurality of assemblies of the support piece 7, the substrate 4, and the sandwich plates 5 and 6 (FIG. 1) are attached in the X-axis direction.

The upper half 7A of the support piece 7 protruding from the substrate 4 (FIGS. 1 and 2) is exposed from the assembly and has a sharp triangular shape when viewed from the outside. The work W is supported by C1, and as described above, the work W and the processing table skid 2 are not easily welded during laser processing.

Then, when the processing head 9 moves to a predetermined position of the work W supported by the support piece 7 and irradiates a laser beam from the processing head 9, as described above, the work W Can be subjected to predetermined laser processing.

In this case, if the work table skid 2 is worn while the work W on the work table skid 2 is being laser-processed, the following is performed.

That is, as in the case of the support piece 7 on the left side of FIG.
In the case where 2 to C4 can be reused, first, the bolts 8 are loosened to release the support pieces 7 (left diagram in FIG. 4C).

Then, the support piece 7 is moved counterclockwise, for example, 9
By rotating by 0 °, the consumable vertex C1 ′ is disposed on the side of the notch 4A, and the non-consumed vertex C4 is disposed on the upper side (right diagram in FIG. 4C).

When the bolt 8 is closed in this state (FIG. 4)
(C), the support piece 7 on the substrate 4 is again
And the work W can be supported by its vertex C4.

Thus, the support piece 7 can be reused.

When all four vertices C1 'to C4' are worn out and cannot be reused, as in the case of the support piece 7 'on the right side of FIG. ′ Is released, and the supporting piece 7 ′ is removed from the notch 4 A of the substrate 4.

In this state, a new support piece 7 stored in a rack or the like is placed in the notch 4A of the board 4 and the bolt 8 is closed, so that the new support piece 7 is firmly engaged with the sandwich plates 5 and 6. Stop and fix.

Thus, the support piece 7 was replaced.

As described above, according to the present invention, the support piece 7 '
Only when all the vertices C1 'to C4' are worn out (right side in FIG. 4B), it is only necessary to replace the support pieces 7 with new ones. In comparison with the above, there is an effect that the replacement is extremely easy and can be performed in a short time.

Hereinafter, the operation of the present invention having the above configuration will be described.

(1) Function of manufacturing the support piece 7

First, before processing the work W (FIG. 1),
A large number of support pieces 7 are manufactured in advance by a shearing machine (FIG. 4A) and stored in a rack or the like.

In this case, as described above, since the support piece 7 is square (FIG. 4A), it has a simple shape and can be manufactured easily and in a short time by a shearing machine or the like.

Accordingly, since only the support pieces 7 which are consumables of the processing table skid 2 can be easily manufactured using a shearing machine or the like, according to the present invention, the manufacturing of the processing table skid 2 is easy and short. There is an effect that it can be performed in time.

(2) Function when the support piece 7 can be reused.

As described above, the machining table skid 2
In FIG. 1 (FIG. 1), for example, a portion of a region R is frequently used, and only a portion of the region R is often consumed.

Then, it is assumed that, although the region R has been consumed, for example, only one vertex C1 'of the support pieces 7 has been consumed (the left support piece 7 in FIG. 4B).

In this case, since the other vertices C2 to C4 can be reused, first, the bolts 8 are loosened to release the support pieces 7 (left diagram in FIG. 4C).

Next, the support piece 7 is rotated counterclockwise by 90 ° (right view in FIG. 4C) so that the worn vertex C1 ′ is on the side of the notch 4A and the unworn vertex C4 is on the upper side. Respectively.

In this state, the bolt 8 is closed (the right figure in FIG. 4C), and the supporting piece 7 on the substrate 4 is firmly locked and fixed by the holding plates 5 and 6, so that the supporting piece 7 Vertex C4
To support and reuse the work W. .

[0059]

As described above, according to the present invention, the processing table skid is supported by holding a support piece for supporting a workpiece, a substrate for contacting the support piece, and the substrate from both sides. By making the above-mentioned support piece detachable and replaceable, if the shape of the support piece, which is a consumable part, is made a simple square, for example, only the support piece can be easily used with a shearing machine etc. It can be manufactured in a short time and can be replaced only when the square support piece is not reusable, so that replacement can be performed easily and in a short time.

Therefore, in the laser beam machine, there is an effect of providing a machined table skid which can be manufactured and exchanged easily and in a short time.

Further, according to the work to be processed,
Optimum manufacturing is performed by changing the material of the support piece, which is a consumable part.For example, if you do not want to scratch the work, you can manufacture a support piece made of copper and the like. Since the process is performed in a short time, the support pieces can be frequently exchanged, so that an accurate pass line can be maintained. Therefore, there is also an effect that a highly accurate work can be processed.

[0062]

[Brief description of the drawings]

FIG. 1 is an overall view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the present invention.

FIG. 3 shows a support piece 7, a substrate 4, and a sandwich plate 5, which constitute the present invention;
6 is a diagram illustrating a relationship of FIG.

FIG. 4 is a diagram illustrating the operation of the present invention.

FIG. 5 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Processing table 2 Processing table skid 3 Frame 4 Substrate 5, 6 Intermediate plate 7 Supporting piece 8 Bolt 9 Processing head W Work

Claims (4)

[Claims] 1. A support piece for supporting a work, a substrate on which the support piece is mounted, and a holding plate for holding the support piece by holding the substrate from both sides, wherein the support piece is detachably mounted. A machining table skid characterized by being freely adjustable. 2. A notch formed in the substrate, a predetermined portion of a support piece is placed in the notch, and a remaining portion of the support piece protrudes upward and is fixed to both sides of the substrate by bolts or the like. 2. The machined table skid according to claim 1, wherein the abutment contacts and locks the support piece. 3. The machining table skit according to claim 1, wherein the support piece is formed in a regular polygon including an equilateral triangle, and the work is supported by each vertex of the support piece. 4. When the support piece is worn out and is reusable, the support piece is rotated to reuse a new vertex of the support piece as a work support point.
The described processing table skid.