JPH07214366A - Pallet device for thermal cutting - Google Patents

Abstract

PURPOSE:To simplify the structure to turn a supporting frame for a body of revolution provided on a cutting pallet when the cutting pallet is carried onto a table and positioned and fixed thereto, and to facilitate the maintenance. CONSTITUTION:A pallet device is provided with a plurality of supporting frames 37 for the body of revolution provided with a plurality of turnable bodies of revolution to support a work during the transportation, and a plurality of supporting frames 39 for a plurality of supporting bodies provided with a plurality of supporting bodies 41 to support the work during the cutting. In addition, when a cutting pallet P provided with a fluid cylinder 55 to turn tuning and supporting frames 37 to support the work from the bodies of revolution 45 to a supporting body 41' is carried onto a table 13 in a thermal cutting device, a manifold 81 provided with the cutting pallet P and connected to the fluid cylinder 55 is provided in an attachable/detachable to/from a machine side manifold 75 provided on the table 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a table for a manifold of a fluid cylinder for rotating a support frame for a rotating body provided on a machining pallet when the machining pallet is carried onto the pallet of a thermal cutting machine. The present invention relates to a thermal cutting pallet device for connecting a provided processing-machine-side manifold.

[0002]

2. Description of the Related Art Conventionally, a shelving apparatus having a plurality of shelves for accommodating processing pallets supporting works is arranged in the vicinity of, for example, a laser processing machine as a thermal cutting processing machine.
An elevator that can move up and down is provided beside the shelving device, and a working pallet can be put in and taken out between the elevator and an appropriately selected shelf. A processing pallet appropriately selected from a plurality of shelves in the shelving device is pulled out to the elevator and is lowered to be stopped at the loading position.

From this carry-in position, a work pallet supporting the work is conveyed on the table of the laser processing machine and positioned, and then the work is laser-processed.

[0004]

By the way, in the above-mentioned conventional laser processing machine, it is difficult to move the work supported on the processing pallet positioned on the table. In order to solve this problem, the table of the laser beam machine is used as a cutting table as known from, for example, Japanese Patent Laid-Open Nos. 62-38793 and 62-38794 to support the work. A rotating body such as a free bearing is rotated.

Due to the above-mentioned structure, the power for driving the rotating shaft for rotating the rotating body in the processing pallet is mechanically transmitted to the laser processing machine side, so that the structure becomes complicated and the maintenance mechanism is mechanical. Was needed.

It is an object of the present invention to simplify a structure for rotating a support frame for a rotating body provided on a working pallet when the working pallet is carried into a table and positioned and fixed, thereby facilitating maintenance. To provide a device.

[0007]

In order to achieve the above object, a processing pallet apparatus for thermal cutting according to the present invention is provided with a plurality of rotatable bodies for supporting a workpiece at the time of conveyance. A frame and a plurality of support body support frames provided with a plurality of support bodies for supporting the work during machining are provided, and the rotary body support frame is rotated to support the work from the rotary body to the support body during machining. When a processing pallet provided with a fluid cylinder is carried onto a table in a thermal cutting apparatus, a manifold side connected to the fluid cylinder provided on the processing pallet and a processing machine side manifold provided on the table Is provided so that it can be connected and disconnected freely.

In the pallet device for heat cutting,
When the processing pallet is loaded on the table, the pallet manifold is connected to the processing machine side manifold by the pressing operation of the clamp device provided on the table, and the plurality of rotating body support frames are integrated with the conveyor. It is desirable that the conveyor be rotated by the expansion and contraction of the piston rod mounted on the fluid cylinder.

[0009]

With the pallet device for thermal cutting processing as described above, when the processing pallet is carried into the table of the thermal cutting processing machine and positioned and fixed, the fluid cylinder provided in the processing pallet is operated to rotate the supporting frame. When the rotary body is rotated by rotating the workpiece, the work is supported by the support body from the rotary body and is heat-cut.

When the processing pallet is loaded on the table,
By connecting the manifold connected to the fluid cylinder for rotating the rotating body support frame to the processing machine side manifold provided on the table, the structure can be simplified and the maintenance can be facilitated. .

[0011]

Embodiments of the present invention will be described in detail below with reference to the drawings.

Referring to FIG. 2, for example, a laser beam machine 1 as a thermal cutting machine is provided with a portal frame 3.
An upper frame 5 extending in the Y-axis direction (horizontal direction in FIG. 2) is provided on the upper portion of the gate-shaped frame 3. The upper frame 5 is provided with a laser processing head 7 movable in the Y-axis direction, and a nozzle 9 is provided at the tip of the laser processing head 7.

A lower frame 11 is provided below the gate-shaped frame 3, and a table 13 movable on the lower frame 11 in the X-axis direction (the direction orthogonal to the paper surface in FIG. 2) is provided. It is equipped. On the upper surface of this table 13, a plurality of free bearings 1 which can be freely rotated.
5 are provided. The movement of the laser processing head 7 in the Y-axis direction and the movement of the table 13 in the X-axis direction are performed by, for example, a well-known ball screw, nut member, and drive motor.

A shelf frame 19 of a shelf device 17 is erected as a framework on the left side of the laser processing machine 1 in FIG. Further, the shelf frame 19 is provided with a plurality of shelves 21 at appropriate intervals in the vertical direction. This each shelf 21
The processing pallet P is stored and stored above. A transport table 23 for transporting the processing pallet P is provided below the shelf frame 19. The transport table 23 is transported on the transport table 23 by a roller attached to the lower portion of the processing pallet P. is there.

On the left side of the shelf frame 19 in FIG. 2, there are provided a transmission member composed of, for example, a sprocket and a chain, and an elevator 27 that is movable up and down and is driven by a drive motor. The processing pallet P can be put in and taken out between them. The mechanism for loading and unloading the processing pallet P is a known traverser mechanism. A support frame 29 is arranged on the left side of the shelf frame 19, and a plurality of support columns 31 are erected on the support frame 29. A rotatable free bearing 33 is supported on each of the support columns 31.

With the above structure, after the elevator 27 is moved up and down to the position of the shelf 21 selected from the plurality of shelves 21 and positioned, the processing pallet P on the shelf frame 21 is positioned.
To the elevator 27. Then the elevator 27
And the working pallet P is placed on the free bearings 33 on the plurality of support columns 31, and then the working pallet P is
2 is conveyed to the right in FIG. 2, it is conveyed to the free bearing 15 provided on the upper surface of the table 13 of the laser processing machine 1 via the conveying table 23, and is stopped and fixed.

A work to be machined is set on a machining pallet P positioned and fixed on the table 13, and a laser beam is emitted from the nozzle 9 of the laser machining head 7 to the laser machining head 7 in the Y-axis direction. The laser processing is performed by moving the table 13 in the X-axis direction.

As shown in FIG. 1, the processing pallet P is provided with a box-shaped frame 35 having an open top, and the frame 35 has a support frame for a rotating body extending in the Y-axis direction. A plurality of 37 are provided at appropriate intervals in the X-axis direction. Moreover, the support frame 3 for this rotating body
A plurality of support body support frames 39 extending in the Y-axis direction are provided between the seven. A lower portion of each support frame 39 for each support is attached to the bottom surface of the frame, and an upper portion of each support frame 39 for each support is integrally formed with a plurality of mountain-shaped supports 41 in the Y-axis direction. .

On the support frame 37 for each rotating body,
A plurality of support columns 43 are provided at appropriate intervals in the Y-axis direction, and a rotatable body 45 composed of a free bearing, a roller and the like is supported on each of the support columns 43. The rotating body 45 is rotated at least in the Y-axis direction. A rotary shaft 47 extending in the Y-axis direction is rotatably provided at the axial center of each of the rotary member support frames 37, and the support columns 43 are connected to the rotary shaft 47. ing.

In this embodiment, the rotating shaft 47 is used.
6 are provided, and the two are rotated as a set. That is, two rotating shafts 4 of each set
Sprockets 49 and 51, which are a part of a chain conveyor, are fitted to one side of each of the seven. A chain 53 is wound around the sprockets 49 and 51. On the other hand, a fluid cylinder 55, preferably an air cylinder, is attached to the bottom surface on one side of the frame 35, and the tip of a piston rod 57 attached to this fluid cylinder 55 is fixed to the chain 53.

With the above construction, when each fluid cylinder 55 is operated to expand and contract the piston rod 57, each rotary shaft 47 rotates clockwise or counterclockwise via the chain 53 and sprockets 49 and 51. Will be moved. When the rotary shaft 47 is rotated clockwise, for example, each rotary body 45 is placed in an upright state, positioned at a support position higher than the height of the support body 41, and the work is rotated from the support body 41 by the rotary body. It will be supported by 45. Further, when the rotating shaft 47 is rotated counterclockwise, for example, in the upright state, each rotating body 45 is rotated, for example, 180 degrees to be positioned at the retracted position, and the work is supported by the rotating body 45 from the supporting body. 41
Will be supported by.

It is possible to perform laser processing on the work while the work is supported by each support 41, and to carry out the product or sketch material after the laser processing while the work is supported by each rotating body 45. .

When the processing pallet P is carried into the table 13, the processing pallet P is positioned and fixed to the table 13, so that a plurality of clamping devices 59 are provided on the other side of the table 13 at appropriate intervals in the X-axis direction. Is provided. As the clamp device 59, the lower frame 1 is used.
1, a fluid cylinder 61 is swingably provided, and a pin 65 is attached to the tip of a piston rod 63 attached to the fluid cylinder 61. The pin 65 is inserted into a long hole 69 formed in the clamp arm 67.

A clamp roller 73 is pivotally supported by pins 71A and 71B on one end side of the clamp arm 67, and a clamp roller 73 for pushing and clamping the machining pallet P is provided on the other end side of the clamp arm 67. There is.

A manifold 75 is provided on the right side of the table 13 in FIG. 1, and the manifold 75 is connected to a fluid generation source (not shown) through a plurality of pipes 77. A switching valve (not shown) is provided in the middle of the pipe 77. The manifold 75 is provided with a plurality of female couplers 79.

On the other hand, a manifold 81 is provided on the right side of the processing pallet P, and one side of this manifold 81 is connected to each of the fluid cylinders 55 through piping. On the other side of the manifold 81, a plurality of male couplers 83 that can be freely connected / disconnected to / from the male coupler 79.
Is provided.

With the above construction, when each fluid cylinder 61 is actuated to raise the piston rod 63, the clamp arm 67 is pushed up by the pin 65 inserted into the elongated hole 69, and the pins 71A and 71B are pivoted clockwise. Since the work pallet P is carried into the table 13, it is pushed and clamped by the clamp roller 73.

At the same time that the machining pallet P is pushed by the clamp roller 73 to be clamped, the male coupler 83 is engaged with the female coupler 79. With the male coupler 83 engaged with the female coupler 79, the switching valve provided in the middle of the pipe 77 is switched from the neutral state to the manifold 7
By supplying the fluid (air) supplied to 5 to the manifold 81 and the piping to the rear cylinder chamber of the fluid cylinder 61, for example, the piston rod 63 extends. Further, by switching the switching valve further to supply the fluid to the front cylinder chamber of the fluid cylinder 61, for example, the piston rod 63 contracts.

By the expansion and contraction of the piston rod 63, the rotating shaft 47 is rotated and the rotating body 45 is rotated. As described above, when the working pallet P is carried into the table 13 and positioned and fixed, it is possible to simplify the structure for rotating the rotating body support frame 37 provided on the working pallet P and facilitate the maintenance. it can.

The present invention is not limited to the above-described embodiments, but can be implemented in other modes by making appropriate changes. Workpiece machining Pallet P
It is needless to say that the machining pallet P is provided with a plurality of pneumatic work clamps in order to perform the clamping.

[0031]

As will be understood from the above description of the embodiments, according to the present invention, when the working pallet is carried into the table and positioned and fixed, the rotating body supporting frame provided on the working pallet is rotated. The structure can be simplified and maintenance can be facilitated.

[Brief description of drawings]

FIG. 1 is a perspective view showing a main part of the present invention and showing a relationship between a processing pallet and a table.

FIG. 2 is a front view of a laser processing machine according to an embodiment of the present invention.

[Explanation of symbols]

 1 Laser Processing Machine (Heat Cutting Machine) 7 Laser Processing Head 13 Table 21 Shelf 23 Transport Table 37 Rotating Body Support Frame 39 Supporting Body Support Frame 41 Supporting Body 45 Rotating Body 47 Rotating Shaft 53 Chain 55 Fluid Cylinder 59 Clamp Device 73 Clamp roller 75 Manifold 79 Male coupler 81 Manifold 83 Male coupler P Processing pallet

Claims (3)

[Claims] 1. A support frame for a plurality of rotating bodies, which is provided with a plurality of rotatable rotating bodies that supports a workpiece during conveyance, and a support frame for a plurality of supporting bodies, which is provided with a plurality of support bodies that supports the workpiece during processing. And a processing pallet provided with a fluid cylinder for rotating the rotating body supporting frame to support the work from the rotating body to the supporting body during processing, when the processing pallet is carried on the table in the thermal cutting apparatus. A pallet device for thermal cutting, wherein a manifold provided on a pallet and connected to the fluid cylinder and a processing machine-side manifold provided on the table are provided so as to be freely connected and disconnected. 2. The manifold of the pallet is connected to the manifold on the processing machine side by a pressing operation of a clamp device provided on the table when the processing pallet is loaded on the table. Pallet machine for heat cutting. 3. The support frame for a plurality of rotating bodies is integrated with a conveyor, and the conveyor is run and rotated by the expansion and contraction movement of a piston rod mounted on the fluid cylinder. Pallet machine for heat cutting.