JPH01146635A - Work conveying device for linear cutting processing machine tool - Google Patents

Abstract

PURPOSE:To perform automatic input and output of a work, by a method wherein, in a laser machine, a horizontally movable table is disposed between an input and an output means for a work, and a work support means is revolvably drivably situated. CONSTITUTION:A table 3 horizontally movable by means of a work conveying device is mounted between work input and output conveyors 31 and 32, and a work support means 10 is situated to the table 3. In the work support means 10, a work support cloth 10 is stretched around rollers 5k, 5m, 5n, and 5p and support rollers 9a-9c to form a laser passage gap 19, and is secured by a revolving drive device. A work 23 is transferred from the input conveyor 31 onto a plane part 10d of the work support cloth 10, a cutting line is positioned on the gap 19 through revolving running to apply linear processing by means of laser from a torch 16. The work 23 is transferred onto the output conveyor 32 through horizontal movement of the rollers 5k-5p supported to the table 3 and round running of the work support cloth 10.

Description

Detailed Description of the Invention (a) Industrial Application Field The present invention is suitable for applying to linear cutting machine tools such as laser processing machines and water jet machines, and is suitable for processing workpieces in linear cutting machine tools. Regarding a conveyance device.

(b) 0 Problems to be solved by the invention Recently, attempts have been made to automatically process workpieces using linear cutting machine tools, such as laser processing machines, with a simple configuration and without human intervention. Although proposals are being made, it is necessary to develop a workpiece transport device that can automatically load and unload a workpiece into and out of a laser processing machine with a simple configuration.

In view of the above circumstances, the present invention provides a workpiece transfer device for a linear cutting machine tool, which is capable of automatically loading and unloading a workpiece into and out of a linear cutting machine tool such as a laser processing machine with a simple configuration. The purpose is to provide

(C) Means for Solving Zero Problems, That is, 1 The present invention provides a workpiece loading means (31) and a workpiece unloading means (32) at workpiece loading and unloading positions ff1 (Xi, X2) with respect to the table (3). The workpiece support means (10, 36, 39) are installed on the table (3), and the rotation drive means (5k) is installed.

5m, 5n, 5p, 5r) to the workpiece processing section (1
6a, 27) is provided with flat parts (10d, 36a, 39a) formed on the sides so as to be rotatably driven.

Note that the numbers in parentheses are for convenience and indicate corresponding elements in the drawings, and therefore, this description is not limited to the descriptions on the drawings. r (d) below
The same applies to the column ``, action''.

(d) 0 effect With the above-described configuration, the present invention has a swing drive means (5k,
5m, 5n, 5p, 5r) and rotate the workpiece supporting means (10, 36, 39), the workpiece (23) is transferred from the workpiece carrying means (31) to the workpiece supporting means (10, 36, 39). 39) flat parts (10d, 36a, 3
9a) to a predetermined position on the table (3), and by rotating the workpiece support means (10, 36, 39), the workpiece (23) is moved from the predetermined position on the table (3) to the workpiece support means. The plane part of (10, 36, 39) (
10d, 36a, 39a).

It acts to transport the workpiece to the workpiece transporting means (32).

(e), Example An embodiment of the present invention will be described below based on the drawings.

FIG. 1 is a perspective view showing an embodiment of a workpiece conveying device in a linear cutting machine tool according to the present invention, and FIG. 2 shows the engagement relationship between the workpiece support cloth and the workpiece support cloth holding device shown in FIG. The figures shown in FIGS. 3 to 5 are diagrams showing a process of mounting a work on the table of the work conveying device shown in FIG. 1 and processing the work.

6 to 8 are diagrams showing the engagement relationship between the workpiece support cloth and the workpiece support cloth holding device in FIGS. 3 to 5, and FIG. 9 is a perspective view showing the main parts of the workpiece support cloth holding device. figure.

FIG. 10 is a diagram showing an example of a laser processing machine to which an embodiment of the present invention is applied, and FIG. 11 is a diagram showing an example of a water jet machine to which an embodiment of the present invention is applied.

FIG. 12 is a perspective view showing the main parts of a workpiece support cloth holding device that constitutes a workpiece transfer device applied to a water jet machine, FIG. 13 is a diagram showing the entire workpiece transfer device according to the present invention, and FIG. 14 14 is a diagram showing the engagement relationship between the workpiece support cloth and the roller in FIG. 13. FIG.

FIG. 15 is a diagram showing a process of carrying a workpiece from a workpiece carry-in conveyor to a table using the workpiece transfer device according to the present invention.

FIG. 16 is a diagram showing a process of transporting a workpiece from a table to a workpiece carrying-out conveyor using the workpiece conveyance device according to the present invention. FIG. 17 is a workpiece support cloth and rollers in another embodiment of the workpiece conveyance device according to the present invention. FIG. 18 is a diagram showing a process of carrying a workpiece from a workpiece carry-in conveyor to a table using the workpiece conveyance device shown in FIG. 17.

FIG. 19 is a diagram showing a process of carrying out a workpiece from a table to a workpiece carrying-out conveyor using another embodiment of the present invention.

FIG. 20 is a diagram showing an example of a laser processing machine to which another embodiment of the workpiece conveyance device according to the present invention is applied; FIG. 21 is a diagram showing the main part of another embodiment of the workpiece conveyance device according to the present invention; FIG. 22 is a diagram showing the state of engagement of the roller, support roller, and restraining roller in FIG. 21 with the workpiece support line.

FIG. 23 is a diagram showing the main parts of still another embodiment of the workpiece conveyance device according to the present invention.

FIG. 24 is a perspective view showing an example of a laser processing machine to which still another embodiment of the workpiece conveyance device according to the present invention is applied.

A linear cutting machine tool 1, for example, a laser processing machine 1, has a first
As shown in FIG.
As shown in FIG. 1, a guide member 2a such as a linear guide,
2a in the horizontal direction of arrows A and B (i.e., X
It is movable in the axial direction. table 3
for.

The ball screw 2C attached to the drive motor 2b is 5
They are connected via nuts (not shown), etc., and by driving the drive motor 2b and rotating the ball screw 2c, the table 3 is connected to the arrows A and B via the nuts, etc.
Driven to move in the direction.

Further, as shown in FIG. 1, the table 3 has a main body 5 formed in a box shape, and has side surfaces 5a and 5b extending in the directions of arrows A and B of the main body 5, and side surfaces 5a and 5b. Openings 5c, 5d, 5s, 5t, and 5f are formed in the perpendicular side surfaces 5g, 5h, and the top surface 5e, respectively, so as to open to the outside of the main body 5.

Further, in the main body 5 shown in FIG. A roller 5k is provided between each corner portion of the side surface 5a and each corner portion of the side surface 5b opposing the corner portion.

5m, 5n, and 5p are provided in a rotatable manner. Note that a drive motor 5r is connected to the roller 5m.

Furthermore, between the rollers 5, 5m, 5n, and 5e, a flexible and strong workpiece support cloth 10 formed by weaving a thin steel wire or the like is inserted through a workpiece support cloth holding bag @6, which will be described later. It is stretched in such a way that it can be freely rotated in the directions of arrows M and N.
Further, a plurality of work clampers 5j are provided on the L surface 5e of the table 3.

The workpiece support cloth holding bag [6 has a roller support plate 7.7, support rollers 9a, 9b, and restraining roller 9c, etc.
At the center of the side surfaces 2d and 2e extending in the directions of arrows A and B of the base 2 shown in FIG.
However, the openings 5c and 5 of the table 3 shown in FIG.
It is provided facing d. The upper end portions 7a and 7a and the center portion 7 of the roller support plate 7.7 shown in FIG.
Support rollers 9a and 9b and a restraining roller 9c are supported between b and 7b, respectively, so as to be rotatable and to penetrate through the inside of the main body 5 of the table 3 through openings 5c and 5d shown in FIG. The workpiece support cloth 10 is attached to the support roller 9
a, 9b between the roller 5k and the support roller 9a,
The support cloth 10 is supported in a planar manner between the support rollers 9b and 5P, and is stretched between the support rollers 9a and 9b in such a manner that it is pressed down by a restraining roller 9c. Hereinafter, the portion of the workpiece support cloth 10 that is supported in a planar manner will be referred to as a flat portion 10d of the workpiece support cloth 10.

Incidentally, between the support rollers 9a and 9b, as shown in FIG. 9, dustproof members 17 and 17 are arranged in the direction of arrow A.

The laser beam passage gap 19 is provided between the dustproof members 17 and 17, and is provided in parallel with the directions of arrows C and D (ie, the Y-axis direction), which are perpendicular to the direction B. Further, a gap 12 is formed below the laser beam passage gap 19 in the figure, surrounded by a portion of the workpiece support cloth 10 stretched between the support rollers 9a, 9b, and the holding roller 9c. A laser beam absorbing member 20 is provided extending in the direction of arrow C1D. Furthermore, an exhaust duct 21 is provided on the right side of the one gap 12 in the figure, and the exhaust duct 21 has an exhaust port 21a.

It is formed to open into the gap 12. In addition.

The other end of the exhaust duct 21 is connected to an exhaust device (not shown).

Furthermore, as shown in FIG. 10, the body 2 of the laser processing machine 1 is provided with a column 13 that straddles the table 3, and the column 13 has a saddle 15 that moves in the directions of arrows C and D. It is provided in such a way that it can be driven freely. In saddle 15,
The laser processing head 16 is aligned with the arrow E which is in the vertical direction in the figure with respect to the laser beam passing gap 19 (see FIG. 9) described above.
The laser processing head 16 includes a torch 16a as a workpiece processing section that processes the workpiece 23 by emitting a laser beam. It is mounted with its tip facing the laser beam passage gap 19.

Note that the workpiece loading position X1 on the left side of table 3 in Figure 13
A workpiece loading conveyor 31 constituting the workpiece conveying device 2A is installed in such a manner that it can be rotated freely in the direction of arrow J, and furthermore, the workpiece loading conveyor 31 constituting the workpiece conveying device 2A is installed in a manner that it can be freely rotated in the direction of arrow J.
A workpiece unloading conveyor 32 constituting the workpiece conveyance device 2A is installed in a manner that it can freely rotate in the direction of the arrow.

Since the laser processing machine 1 has one or more configurations, in order to process a workpiece using the laser processing machine 1, the workpiece 23 to be processed is transferred to the table 3 of the laser processing machine 1 using the workpiece transport liquid fi2A. First, the table 3 is moved in the direction of arrow A, which is the loading direction, by driving the drive motor 2b shown in FIG. 1 and rotating the ball screw 2C. Next, the workpiece 23 is placed on the workpiece carry-in conveyor 31 shown in the figure, and the conveyor 31 is rotated in the direction of arrow J, and the workpiece 23 is driven as shown in FIG. By driving the motor 5r and rotating the roller 5m, the workpiece support cloth 10 is turned in the direction of arrow N.

Then, the workpiece 23 is moved by the workpiece carry-in conveyor 31 in the direction of arrow B in FIG. 15 and sent out toward the table 3. And even more.

The workpiece 23 is a workpiece support cloth that rotates in the direction of arrow N]0
The flat part 10 of the workpiece support cloth 10 is pulled by
d, and moves in the direction of arrow B while being supported by the support cloth 1o. Then, when the workpiece 23 has moved a predetermined distance on the table 3, the driving of the drive motor 5r shown in FIG. 1 is stopped, and the rotation of the workpiece support cloth 10 in the direction of the arrow N is stopped.

Next, the workpiece 23 positioned at a predetermined position on the table 3 is clamped using a workpiece clamper 5j shown in FIG. In this state, the saddle 15 shown in FIG. 10 is moved and driven in the directions of arrows C and D (Y-axis direction), and the laser processing head 16 is appropriately moved together with the torch 16a in the direction of arrow F, so that the torch 16a is The workpiece 23 is positioned at a predetermined distance above the workpiece 23 in FIG.

Next, in this state, the table 3 is moved in the directions of arrows A and B, as shown in FIGS. 3 to 5.

Then, the workpiece support cloth 10 is also moved to the workpiece support cloth holding device 6 with the workpiece 23 mounted on the flat parts 10d, 10d.
It moves in the directions of arrows A and B.

At this time, the workpiece support cloth 10 is moved in the direction of the arrow A with respect to the support rollers 9a and 9b, as shown in FIGS. 6 to 8.
, as it moves in the B direction, the flat part 1 of the workpiece support cloth 10
The areas of 0d and 10d are variable. However, the drive motor 5r shown in FIG. 1 is stopped and the rotation of the roller 5m is restricted.

Further, by a locking device (not shown) provided between the table 3 and the workpiece support cloth 10, the arrow M of the workpiece support cloth 10 is
, N directions are restricted, so the support cloth 10 does not move relative to the table 3. the result,
The work 23 mounted on the flat parts 10d, 10d does not move relative to the table 3 either.

At this time, a laser beam passage gap 19 is formed between the support rollers 9a and 9b, as shown in FIG.
A gap 12 is formed in the lower part of the figure, but since the support rollers 9a, 9b and the dustproof member 17.17 are fixed to the pace 2 by the roller support plate 7.7 shown in FIG. Arrow A of gap 12 and laser beam passage gap 19
, the position in the B direction is that of the table 3 (therefore, the workpiece support cloth 1
0) is constant regardless of movement in the directions of arrows A and B. Further, the laser processing head 16 is operated by arrows A and B as described above.
Since it is not driven to move in the direction, the laser processing head 16
The torch 16a is.

With respect to the gap 12 and the laser beam passage gap 19.

Arrows A and B on the table 3 (therefore, the workpiece support cloth 10)
Regardless of the direction of movement, they are always in opposite positions.

Simultaneously with this movement of table 3 in the directions of arrows A and B,
While moving the saddle 15 shown in FIG. 10 in the directions of arrows C and D (Y-axis direction) together with the laser processing head 16, a laser beam is emitted from the torch 16a of the processing head 16 toward the workpiece 23. Cut and process. At this time, as already mentioned, the torch 16a emits the laser beam while always being located above the laser beam passing gap 19 shown in FIG. Then, the laser beam passes through the workpiece 23 and exits to the laser beam passing gap 19 side, and enters and is absorbed by the laser beam absorbing member 20 shown in FIG. 9. In addition, gas etc. 1 generated when the light beam penetrates the workpiece 23
The air is then discharged to the outside through the exhaust port 21a of the exhaust duct 21.

In this way, when the predetermined processing is performed on the workpiece 23, the drive of the aforementioned locking device is stopped, the restriction of the workpiece support cloth 10 in the directions of arrows M and N in FIG. 1 is released, and in this state, the table 3 is moved in the direction of arrow B to move the table 13 onto the workpiece delivery conveyor 3 as shown in FIG.
Close to 2. Next, in this state, by driving the drive motor 5r shown in FIG. 1, the workpiece support cloth 10 is rotated in the direction of arrow N in FIG. 16, and the workpiece 23 on the support cloth 10 is moved in the direction of arrow B. At the same time, the workpiece unloading conveyor 32 is turned in the direction of the arrow in FIG. 16. Then, the workpiece 23 is moved in the direction of arrow B while being supported by the flat portion 10d of the workpiece support cloth 10, and is sent out toward the workpiece delivery conveyor 32. Then, work 2
3 is.

The workpiece is moved from the work support cloth 10 onto the workpiece carryout conveyor 32 while being pulled by the workpiece carryout conveyor 32 rotating in the direction of the arrow, and is moved by the conveyor 32 in the direction of arrow B and carried out to a predetermined position.

In the above-mentioned embodiment, the work support cloth 10 portion, that is, the side surface portion 10a, is attached to the roller 5 shown in FIG. 14 for a distance of 5 m and between the rollers 5n and 5p.

The case has been described in which the workpiece support cloth 10 is stretched so that the workpiece support cloth 10b is parallel to the directions of the arrows E and F.

The method of tensioning the support cloth 10 is not limited to this, but any method can be used as long as the workpiece 23 can be smoothly transferred between the workpiece carry-in conveyor 31 and the table 3, and between the table 3 and the workpiece carry-out conveyor 32. Of course, it is also possible to extend the tension.1 For example, as shown in FIGS. 17 to 19, -59 is attached to the upper roller 5 in the figure, and the
, 5n, by placing it diagonally above and to the right in the figure.
The side surface portion 10a of the workpiece support cloth 10, the fob may be stretched so as to be inclined diagonally to the right in the figure. In this case, the side surface portion 10a of the workpiece support cloth 10, Side part 3 facing 10b
1a and 32a are the side parts 10a and 1 of the workpiece support cloth 10.
It is provided so as to be inclined so as to be parallel to 0b.

In the above embodiment, when the workpiece 23 is transferred between the workpiece support cloth 10 and the workpiece unloading conveyor 32, the portion cut and separated from the workpiece 23 (i.e., the workpiece piece 23a) is also removed along with the workpiece 23 by laser processing. , the case where the work is carried out by the carry-out conveyor 32 has been described, but the workpiece conveyance device! 2A is not limited to this, and the workpiece conveyance device 12A may be configured in any manner as long as the work piece 23a etc. can be smoothly carried out of the laser processing machine 1. For example, the workpiece conveyance device 2A may be configured in any manner.

As shown in FIG. 19, when the table 3 is moved by a predetermined stroke in the direction of arrow B, the width L3 of the gap 35 between the side surface 10b of the workpiece support cloth 10 and the side surface 32a of the workpiece carry-out conveyor 32 is: Set it to the specified length 1
A workpiece collection box 33 may be provided below the gap 35 in the figure.If the workpiece conveyance device [2A is configured in this way, the processed workpiece 23 is transferred from the workpiece support cloth 10 to the workpiece unloading conveyor 32. , the work piece 23a.

Between the workpiece support cloth 10 and the carry-out conveyor 32, it is pulled out from the workpiece 23 due to its own weight, falls in the direction of arrow F, and can be stored in the workpiece collection box 33 through the gap 35. Note that the workpiece 23 from which the workpiece piece 23a has been extracted is carried out to a predetermined location by the carrying-out conveyor 32.

In the embodiment described above, the table 3 is configured to be movable in the directions of arrows A and B between the workpiece carry-in conveyor 31 and the workpiece carry-out conveyor 32, when transferring the workpiece 23.

A case has been described in which the table 3 is moved in the directions of arrows A and B to be brought close to the carry-in conveyor 31 or the carry-out conveyor 32 that performs transfer.

However, the workpiece conveyance device 2A is
For example, the workpiece transport device 2A may be configured in any manner as long as the workpiece 23 can be smoothly transferred between the workpiece 1 and the table 3 and between the table 3 and the workpiece delivery conveyor 32.

As shown in FIG. 20, it is also possible to configure the table 3 to be fixed to the base 2 so as not to move in the directions of arrows A and B. Below, table fixed type workpiece conveyance device 2A
A laser processing machine 1 to which this is applied will be described. In addition,
The same parts as those explained in the above-mentioned embodiments are given the same reference numerals, and the explanation of those parts will be omitted.

That is, the laser processing machine 1 shown in FIG. 20 has a base 2, and a table 3 constituting a workpiece transport bag [2A@-] is fixed onto the base 2. Table 3 has
A workpiece support cloth 10 is attached to the rollers 5 through a workpiece support cloth holding device 6 fixed to rollers 5m, 5n, 5p, and a column 13, which will be described later.

The table 3 is provided with planar parts 10d and 10d on the upper part of the table 3 so as to be able to rotate freely in the directions of arrows M and N. Furthermore, a column 13 straddles the table 3 and is attached to the base 2. Guide member 2f provided on side surfaces 2d, 2d
, 2f, so that it can be freely moved and driven in the directions of arrows A and B (ie, in the X-axis direction). A saddle 15 is provided on the column 13 so as to be movable in a direction perpendicular to the plane of the drawing, that is, in the direction of arrow C1D in FIG. 10 (Y-axis direction). A laser processing head 16 having a torch 16a attached to its tip is provided in a manner that it can be freely moved and driven in the directions of arrows E and F (namely, the Z-axis direction). In addition, a workpiece carry-in conveyor 31 and a workpiece carry-out conveyor 32 are located at the workpiece carry-in position fiX1 and workpiece carry-out position X2 on both the left and right sides of the table 3 in the figure, respectively.
is installed so that table 3 is sandwiched between them.

In order to process the workpiece 23 using the laser processing machine 1 shown in FIG.
1, and in this state, the workpiece carry-in conveyor 31 is driven to rotate in the direction of arrow J, and the workpiece support cloth 10 is driven to rotate in the direction of arrow N. Then, the loading conveyor 3
The work 23 on the top 1 moves in the direction of arrow B, is transferred from the conveyor 31 onto the work support cloth 10, and is further moved in the direction of arrow B on the table 3 while being supported by the work support cloth 10. do. Then, when the workpiece 23 has moved a predetermined distance on the table 3 in the direction of arrow B, the rotation of the workpiece support cloth 10 in the direction of arrow N is stopped.

In this way, when the workpiece 23 is positioned at a predetermined position on the table 3, the column 13 is moved by the guide member 2f,
2f in the directions of arrows A and B (i.e., the X-axis direction), the saddle 15 is moved together with the laser processing head 16 in a direction perpendicular to the plane of FIG. 20, and then the laser processing head 16 is moved.

Move the torch 16a together with the torch 1 in the direction of the arrow F.
6a is positioned above the work 23 in the figure by a predetermined distance.

Next, in this state, the column 13 is moved in the directions of arrows A and B (that is, the X-axis direction), and the saddle 15 is moved together with the laser processing head 16 in a direction perpendicular to the plane of FIG. A laser beam is emitted from the 16 torches 16a toward the workpiece 23 to cut the workpiece 23. At this time, a laser beam passing gap 19 is formed between the support rollers 9a and 9b of the work support cloth holding device 6, but the support rollers 9a and 9b are connected to the roller support plates 7 and 7 (in FIG. 20). is fixed to the column 13 via the roller support plate 7 (only the front roller support plate 7 is shown in the figure), so the laser beam passage gap ]9 is synchronously connected to the column 13 (therefore, the torch 16a of the laser processing head 16). The torch 16a moves in the directions of arrows A and B (i.e., the X-axis direction).
always faces the laser beam passage gap 19. For this reason.

The laser beam emitted from the torch 16a passes through the workpiece 23 mounted on the workpiece support cloth 10, passes through the laser beam passage gap 19 side, and passes through the laser beam absorption member provided below the gap 19 in the figure. (not shown).

After the workpiece 23 has been cut in this manner, the workpiece support cloth 10 is driven to rotate in the direction of arrow N, and the workpiece delivery conveyor 32 is driven to rotate in the direction of the arrow. Then, the workpiece 23 moves along the arrow B on the table 3 while being supported by the flat part 10d of the workpiece support cloth 10.
move in the direction. Further, the workpiece 23 is pulled by the workpiece carrying out conveyor 32 and the workpiece support cloth 1
0 onto the workpiece unloading conveyor 32, and the conveyor 3
2 to a predetermined position.

Furthermore, as shown in FIG. 24, the table 3 is fixed to the base 2 so as not to move in the directions of arrows A and B, and the transport bag M2A is transferred to the laser processing machine 1 having a torch moving robot 35. Hereinafter, a case will be described in which the table-fixed workpiece transfer device 2A is applied to the laser processing machine 1 having the torch moving robot 35. Note that the same parts as those explained in the above-mentioned embodiments are given the same reference numerals, and the explanation of those parts will be omitted.

That is, on the base 2 of the laser processing machine 1 shown in FIG. It is provided so as to be freely rotatable in the directions of arrows M and N to form a portion 10d. Furthermore, guide surfaces 2h and 21 are provided on the base 2 so as to protrude from both left and right sides of the table 3 in the figure, and guide members 2a and 2a are provided on the guide surfaces 2h and 21, respectively, as indicated by arrows. , extending in the B direction (ie, the X-axis direction). Guide member 2
a, 2a, there are support blocks 7c, 7c (in Fig. 24, the support blocks 7c, 7c are provided on the lower end of the work supporting cloth holding device [I6]). (Only the block 7c is shown in the figure.) The roller support plate 7.7 is provided so as to be movable in the directions of arrows A and B (that is, the X-axis direction), and a guide rail 7d and 7d are provided parallel to the arrow C and D directions. A torch support plate 7e is provided between the guide rails 7d and 7a.
is supported so as to be movable in the directions of arrows C and D,
The torch support plate 7e has support holes 7f in the directions of arrows E and F (
That is, it is perforated in the Z-axis direction. Note that the work loading positions X1. on both the left and right sides of the table 3 in the figure A workpiece carrying-in conveyor 31 and a workpiece carrying-out conveyor 32 are installed at the workpiece carrying-out position X2, respectively, so as to sandwich the table 3 therebetween.

On the other hand, a torch moving robot 35 constituting the laser processing machine 1 is provided at a position a predetermined distance away from the table 3 in the direction of the 24th buried arrow C, and the torch moving robot 35 has a main body 35a. A telescoping shaft 35b is provided on the main body 35a in a manner that is telescopic in the directions of the arrows E and F (i.e., the Z-axis direction), and a first arm 35c is provided on the telescoping shaft 35b in the direction of the arrows J and F. It is provided in such a way that it can be freely rotated in the direction. The first arm 35c includes a second arm 3
5d is provided in a form that can be freely rotated in the directions of arrows P and Q, and is provided on the second arm 35d.

A tip portion 35g having a cylindrical outer shape is provided. The tip 35g is attached to the support hole 7f of the torch support plate 7e described above so as to be slidable in the directions of arrows E and F, and the torch 16a is attached to the tip 35g. Note that the torch 16a has a laser beam generating bag [
35e are connected via a connection line 35f.

In order to process the workpiece 23 using the laser processing machine 1 shown in FIG.
Drive it to rotate in the direction of arrow J with the machine mounted. Then, the workpiece 23 on the carry-in conveyor 3^ moves in the direction of arrow B, is transferred from the conveyor 31 onto the workpiece support cloth 10, and is further transferred onto the table 3 while being supported by the workpiece support cloth 10. Move in the direction of arrow B. In this way, when the workpiece 23 has moved a predetermined distance on the table 3 in the direction of the arrow B, the rotation of the workpiece support cloth 10 in the direction of the arrow N is stopped.

Next, in this state, the torch moving robot 35 is driven to move the telescopic shaft 35b in the direction of arrow F, and the first
Arm 35c and second arm 35d are respectively indicated by arrow J.
When the torch 16 attached to the tip 35g of the second arm 35d is rotated in the - direction and in the arrow P and Q directions,
a, together with the torch support plate 7e, in the directions of arrows A and B (i.e.
axial direction) and in the directions of arrows C and D, and is positioned a predetermined distance above the workpiece 23 in the figure.

In this state, the first arm 3 of the torch moving robot 35
5c and the second arm 35d are rotated in the direction of the arrow J and the direction of the arrows P and Q, respectively, and the torch 16a attached to the tip 35g of the second arm 35d is moved from the workpiece 23 shown in FIG. The robot 35 is moved in a horizontal plane a predetermined distance upward in the figure, with the main body 35a of the robot 35 as a reference.

At the same time, the laser beam generator 35e is driven,
A laser beam is emitted from the torch 16a toward the workpiece 23 to cut the workpiece 23.

In addition, at this time, the main body 35 of the robot 35 of the torch 16a
Movement in the horizontal plane with point a as a reference is performed in the directions of arrows A and B (X
axial direction) and arrow C, D direction (Y-axis direction) components. Here, when the torch 16a moves in the directions of arrows C and D, the roller support plates 7, 7
Since it only moves along the guide rails 7d, 7d together with the torch support plate 7f, it does not move in the directions of arrows A and B, and the support roller 9a provided between the roller support plates 7, 7 moves only along the guide rails 7d, 7d.
, 9b, the laser beam passing gap 19 does not move in the directions of arrows A and B, so that the torch 16a maintains a state facing the laser beam passing gap 19. Further, when the torch 16a moves in the directions of arrows A and B, the roller support plates 7, 7
e and guide rails 7d, 7d, the torch 16a
At the same time, it moves in the X-axis direction. Therefore, the laser beam passing gap 19 also moves in the directions of arrows A and B (ie, the X-axis direction) together with the torch 16a, and the torch 16a always faces the laser beam passing gap 19. As a result, even if the torch 16a moves in a horizontal plane with the main body 35a of the robot 35 as a reference, the torch 16a and the laser beam passage gap 19 always face each other.

The laser beam emitted from the torch 16a passes through the workpiece 23 mounted on the workpiece support cloth 10, passes through the laser beam passage gap 19 side, and passes through a laser beam absorption filter provided below the passage gap 19 in the figure. absorbed by a member (not shown).

In this way, the workpiece 23 has been processed.

The workpiece support cloth 10 is driven to rotate in the direction of arrow N, and the workpiece unloading conveyor 32 is driven to rotate in the direction of the arrow to move the workpiece 23 on the workpiece support cloth 10 in the direction of arrow B, and further support the workpiece 23. The cloth 10 and the workpiece are transferred between the conveyor 32 and conveyed to a predetermined position.

In addition, in the embodiment described above, the workpiece conveyance device 2A
We have described the case where it is applied to laser processing machine 1, but
The workpiece conveyance device 2A is not limited to this, and can be applied to various types of linear cutting machine tools as workpiece conveyance means. For example, if the workpiece conveyance device shown in Fig. 1 is operated by two people,
It is also possible to apply the present invention to the water jet machine IA shown in FIG. 1 as a work conveyance means. Hereinafter, the workpiece conveying device 2A shown in FIG. 1 is attached to the water jet machine IA.
We will discuss the case where this is applied. In addition, Fig. 1 to 1
The same parts as those explained in FIG.

The saddle 15 of the water jet machine IA has a water jet nozzle 27, which serves as a workpiece processing unit that injects ultra-high pressure water to cut the workpiece 23, and is movable in the directions of arrows E and F (X-axis direction). It is established in
Further, in the upper part of the gap 12 shown in FIG. 12, an ultra-high pressure water passage gap 19A is formed between dustproof members 17 and 17. Furthermore, a drainage member 29 is provided within one gap 12, and a drainage groove 29a is formed in the drainage member 29 in a shape that opens upward in the figure. Note that the drainage member 29 is provided with a drainage duct 30 having a drainage port 30a connected to the drainage groove 29a.

To process the workpiece 23 using the water jet machine IA, the table 3 is moved in the direction of arrow N in FIG. 15 and positioned close to the workpiece carry-in conveyor 31. Next, the workpiece support cloth 10 is driven to rotate in the direction of arrow N in FIG. As a result, the workpiece 23 is transferred between the carry-in conveyor 31 and the workpiece support cloth lO, and when the workpiece 23 has further moved a predetermined distance on the workpiece support cloth 10 of the table 3 in the direction of arrow B, The rotation of the workpiece support cloth 10 in the direction of arrow N is stopped.

Next, the workpiece 23 is clamped using the workpiece clamper 5j, and in this state, the water jet nozzle 27 shown in FIG. While moving the saddle 15 in the directions of arrows A and B, and moving the saddle 15 together with the water jet nozzle 27 in the directions of arrows C and D, ultra-high pressure water is injected from the water jet nozzle 27 to remove the workpiece 2.
Cut 3. At this time, the ultra-high pressure water injected from the water jet nozzle 27 penetrates the workpiece 23 and enters the ultra-high pressure water passage gap 1 into the gap 12 shown in FIG.
Enter via 9A and further.

The water flows in the direction of arrow F in the gap 12, is stopped by the drainage groove 29a of the drainage member 29, and is discharged from the drainage member 29 to the outside through the drainage port 30a of the drainage duct 30. After processing the workpiece 23, the table 3 is moved in the direction B in FIG.
2 is rotated in the direction of the arrow, the kneaded workpiece 23 on the workpiece support cloth 10 is transferred from the table 3 side to the workpiece carry-out conveyor 32 side, and carried out by the conveyor 32 to a predetermined position.

Similarly, the table-fixed workpiece conveying device 2 shown in FIGS. 20 and 24 is attached to the water jet machine IA.
It is also possible to use A as a workpiece mounting means.

In addition, in the above-mentioned embodiment, a case was described in which the workpiece support cloth 10 was used as the workpiece support means, but
The workpiece supporting means is not limited to this, and it goes without saying that it may be configured in any way as long as a plane part is formed on the upper part of the table 3 and the workpiece 23 can be mounted on the plane part. , the work supporting means is a flexible work supporting means shown in FIG. A plurality of I36 are attached to the flat part 36 on the top of the table 3 via the rollers 5k, 5m, 5n, 5p, support rollers 9a, 9b, and restraining roller 9c shown in FIG.
a, 36a may be provided so as to be rotatably driven.

In this case, the distance between adjacent workpiece supports gA36.36 is 1
111L1, the work piece 23a cut and separated from the work 23 by laser processing is attached to the work support line 36.3.
Set it so that it does not fall in the direction of arrow F from 6. By setting the distance L1 between the workpiece support lines 36 and 36 to a predetermined length or more, when the workpiece 23 is supported on the flat part 36a formed by the workpiece support lines 36, only the work piece 23a can be It is also possible to drop the work piece 23a between the work support lines 36, 36 in the direction of arrow F and store it in a work piece storage box (not shown).

Further, in order to maintain the distance L1 between the workpiece support lines 36, 36 constant, the roller support rollers 9a, 9b, the holding roller 9c, and the rollers 5k, 5m, 5n shown in FIG.
At the outer periphery of each of the 5p.

As shown in FIG. 22, the plurality of grooves 37 are connected to each other by
, are formed with a distance WLL apart in the D direction,
It is desirable that the workpiece support line 36 be stretched through the guide groove 37 so as to be freely pivotable in the directions of arrows M and N.

Furthermore, as shown in FIG. 23, the workpiece support means is a workpiece support net 3 having flexibility and formed in a mesh shape.
9 may be provided so as to be rotatably driven in the directions of arrows M and N to form flat parts 39a and 39a on the upper part of the table 3 via support rollers 9a and 9b and restraining rollers 9c, etc.; in this case, Also, the mesh of the workpiece support net 39 is set so that the workpiece 23a does not fall from the mesh portion in the direction of arrow F, but if the workpiece 23a is dropped from the mesh portion of the workpiece support net 39, a workpiece (not shown) will fall. It is also possible to store the work pieces 23a in a storage box.

(f) 0 Effects of the Invention As described above, according to the present invention, the workpiece carrying means such as the workpiece carrying-in conveyor 31 and the workpiece carrying-out conveyor 3
A second workpiece carrying-out means is installed at the workpiece carrying-in and carrying-out position with respect to the table 3.

A work support cloth 10 and a work support line 3 are placed on the table 3.
6. The work support means such as the work support net 39 is connected to the roller 5
k, 5m, 5n, 5p - Planar parts 10d, 36a, 39 are attached to the workpiece processing section side of the torch 16a, water jet nozzle 27, etc. via a turning drive means such as a drive motor 5r.
Since it is configured so that it can be freely rotated to form a shape,
The swing driving means is 'f! jA! l], the workpiece supporting means is rotated, and the workpiece 23 is transferred from the workpiece carrying means to the flat parts 10d, 36a, and 39a of the workpiece supporting means.
The workpiece 23 can be carried into the table 3 via the table 3, and the workpiece 23 can be carried out from the table 3 to the workpiece carrying means. As a result, it is possible to automatically carry a workpiece into and out of a linear cutting machine tool such as a laser beam machine with a simple configuration and without human intervention.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of a workpiece conveying device in a linear cutting machine tool according to the present invention, and FIG. 2 shows the engagement relationship between the workpiece support cloth and the workpiece support cloth holding device shown in FIG. Figure shown. 3 to 5 are diagrams showing the process of loading a work on the table of the workpiece conveyance device shown in FIG. 1 and processing the work, and FIGS. 6 is a diagram showing the engagement relationship between the workpiece support cloth and the workpiece support cloth holding device in FIG. 5. FIG. FIG. 9 is a perspective view showing essential parts of a workpiece support cloth holding device, FIG. 10 is a view showing an example of a laser processing machine to which an embodiment of the present invention is applied, and FIG. 11 is an embodiment of the present invention. FIG. 12 is a perspective view showing a main part of a work supporting cloth holding device that constitutes a work conveying device applied to the water jet machine. FIG. 13 is a diagram showing the entire workpiece conveyance device according to the present invention, and FIG. 14 is a diagram showing the engagement relationship between the workpiece support cloth and the rollers in FIG. 13. FIG. 15 is a diagram showing a process of carrying a workpiece from a workpiece carry-in conveyor to a table using the workpiece transfer device according to the present invention. FIG. 16 is a diagram showing a process of transporting a workpiece from a table to a workpiece carrying-out conveyor using the workpiece conveyance device according to the present invention. FIG. 17 is a workpiece support cloth and rollers in another embodiment of the workpiece conveyance device according to the present invention. FIG. 18 is a diagram showing a process of carrying a workpiece from a workpiece carry-in conveyor to a table using the workpiece conveyance device shown in FIG. 17. FIG. 19 is a diagram showing a process of transporting a work from a table to a work transport conveyor using another embodiment of the present invention. FIG. FIG. 21 is a diagram showing an example of a processing machine; FIG. 21 is a diagram showing main parts of another embodiment of a workpiece conveyance device according to the present invention; FIG. 22 is a diagram showing the state of engagement of the roller, support opening roller, and holding roller in FIG. 21 with the workpiece support line. FIG. 23 is a diagram showing the main parts of still another embodiment of the workpiece conveyance device according to the present invention. FIG. 24 is a perspective view showing an example of a laser processing machine to which still another embodiment of the workpiece conveyance device according to the present invention is applied. 1... Linear cutting machine tool (laser processing machine)
IA: Linear cutting machine tool (water jet machine) 2A: Workpiece transport device 3: Tables 5k, 5m, 5n, 5p: Rotating Drive means (roller) 5r...Swivel drive means (drive motor) 10...
...Work support means (work support cloth) 10d...
...Plane part 16a...Work processing part (torch) 27...
... Workpiece processing section (water dien 1 to nozzle) 31 ... Workpiece carrying-in means (workpiece carrying-in conveyor) 32 ... Workpiece carrying-out means (workpiece carrying-out conveyor) 36 ...... Work support means (work support line) 36
a...Flat portion 39...Work support means (work support net) 39
a... Flat section Applicant Yamazaki Mazak Co., Ltd. Agent Patent attorney Phase 1) Shinji (and 2 others) Figure 3 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 1 p-c3ox Figure 12 Figure 18

Claims (1)

[Scope of Claims] A linear cutting machine tool having a workpiece processing section and a table movable in a horizontal direction relative to the workpiece processing section, wherein a workpiece loading means and a workpiece unloading means are connected to the workpiece relative to the table. A linear cutting process, which is installed at a carry-in and carry-out position, and a workpiece support means is provided on the table so as to be rotatably driven via a rotation drive means so as to form a flat part on the side of the workpiece processing section. Workpiece conveyance device for machine tools.