JPH0557476A - Laser beam machine - Google Patents

Abstract

PURPOSE:To carry out a worked work on a working table without being caught by many KENZAN (an implement on which thick needles are planted upside down and a tree branch, etc., are inserted for flower arrangement) pins arranged on the working table, and also, without damaging the worked work and the KENZAN pins. CONSTITUTION:A carrying truck 12 is provided so as to be movable between a receiving position P3 corresponding to a worked work Wa on a working table 1 and a carrying-out position P4 corresponding to a product station 14. On the carrying truck 12, plural supporting arms 18 are provided movably forward and backward and vertically. In a state that the carrying truck 12 is moved to the receiving position P3, the supporting arm 18 is advanced to the lower part of the worked work Wa on the working table 1, and also, moved upward in its state, and the worked work Wa is raised from on the working table 1 and received on the supporting arm 18. Thereafter, the carrying truck 12 is moved to the carrying-out position P4 from the receiving position P3, and in this state, the supporting arm 18 is moved downward, and also, retracted from the advancing position, and the worked work Wa is carried out onto the product station 14 from on the supporting arm 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laser processing apparatus in which a work is placed on a processing table and processed by a laser processing machine.

[0002]

2. Description of the Related Art Generally, in this type of laser processing apparatus, it is necessary to carry out a processed workpiece from a processing table after the laser processing machine finishes the processing. As a method of unloading the processed work, there is a method of sucking and lifting the processed work by a manipulator having a suction portion such as a vacuum pad or a magnet, and then carrying out the work.

However, in the suction method using the vacuum pad, when a large number of through holes are formed in the processed work due to cutting work of the work or the like, suction leakage occurs and the suction operation can be reliably performed. Can not. In addition, the magnetic attraction method cannot perform the attraction operation when the processed work is made of a non-magnetic material such as aluminum.

For this reason, in the conventional laser processing apparatus, a drawing device is provided corresponding to the processed work on the processing table, and this device is used to slide the processed work in the lateral direction on the processing table. It is also carried out from the processing table.

[0005]

However, in general, a large number of sword pins are erected on the processing table of the laser beam machine, and the workpiece is machined in a state of being placed on the sword pins of the processing table. It Then, the processed work is generally carried out in a state of being slightly lifted from the Kenzan pin by a lift bar with rollers provided between the Kenzan pins. Since this lift bar is built into the processing table, it cannot be lifted large,
In addition, it cannot be constructed continuously.

Therefore, as in the prior art, when the processed work is carried out while sliding laterally on the processing table, the plate is bent in the case of a thin plate work, and even the lift bar and the sword pin are through holes of the processed work. There is a problem in that the unloading operation is not performed smoothly, the back surface of the processed work is scratched by the sword pin, or the sword pin is damaged. In particular, the mirror surface of aluminum or stainless steel is easily scratched, and the damage greatly reduces the product value.

The present invention has been made by paying attention to the problems existing in such a conventional technique. The purpose of the present invention is to process a machined workpiece placed on a machining table. It can be carried out smoothly without getting caught by the large number of Kageyama pins arranged on the processing table,
An object of the present invention is to provide a laser processing apparatus capable of reliably preventing the back surface of the processed workpiece from being damaged by the sword pin or damaging the sword pin.

[0008]

In order to achieve the above object, in the laser processing apparatus of the present invention, a work is placed on a sword pin provided on the upper surface of a processing table, and a laser processing machine is used. In the laser processing device that processes the same work, it is possible to move between the receiving position corresponding to the processed work on the processing table and the carry-out position corresponding to the product station provided apart from the processing table. A carriage provided and a carriage provided on the carriage, capable of advancing and retreating between the position between the Kanayama pins and the position where the Kanayama pin exits at the receiving position, and a position lower than the height of the Kanayama pin and a position above it. And a support member movable up and down between the carrier and the carrier are moved to the receiving position, and the support member is advanced below the processed workpiece on the processing table. Together is moved upward, together with the received on the support member a machined workpiece from the machining table,
In a state where the transport carriage is moved to the carry-out position, the support member is retracted from the advanced position, and the working member is carried out from the support member onto the product station.

[0009]

[Operation] In the laser processing apparatus configured as described above, the support member is advanced below the processed workpiece on the processing table while the carrier is moved to the receiving position, and the advanced state is And the processed workpiece is received on the supporting member from the processing table. After that, the transport carriage is moved from the receiving position to the unloading position, and the processed workpiece supported on the supporting member is moved from the upper position of the processing table to the upper position of the product station. Then, in this state, the support member is retracted from the advanced position, and the processed work is carried out from the support member to the product station.

[0010]

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

As shown in FIG. 1, a working table 1 is provided so as to be movable along a pair of covered rails 2 between a loading position P1 and a working position P2, and a large number of sword pins 3 are provided on the upper surface thereof. Are erected. Material station 4
Is arranged corresponding to the carry-in position P1 of the processing table 1,
On the material station 4, a large number of works W are loaded in a stacked state by a forklift 5 or the like. The carry-in mechanism 6 is arranged above the material station 4, and one work W on the material station 4 is adsorbed by the vacuum pad 7 and lifted by the cylinder 8 and then moved backward in the drawing to carry in the carry-in position P1. It is loaded and placed on the Kenzan pin 3 of the processing table 1 arranged at.

The laser processing machine 9 is installed corresponding to the processing position P2 of the processing table 1, and in the state where the processing table 1 is moved to the processing position P2, the laser head 10 moves the workpiece W on the processing table 1. Cutting is performed by irradiating laser light. The carry-out conveyor 11 is laid between the pair of rails 2 and carries out the punched material and chips cut from the work W by the laser processing machine 9 from the processing position P2 to the right side in the drawing. Incidentally, the sword mountain pin 3 is erected on a bar (not shown), and cut materials and chips cut off are dropped onto the conveyor 11 through the gap between the bars.

As shown in FIGS. 1 to 3, the carrier truck 12 has a receiving position P3 corresponding to the carry-in position P1 of the processing table 1 along a pair of rails 13, and a carry-out position separated from the receiving position P3 to the left side in the drawing. It is provided so as to be movable between the position P4. The product station 14 is arranged corresponding to the carry-out position P4 of the carrier vehicle 12, and the processed work Wa carried out from the processing table 1 by the carrier vehicle 12, that is, the product, is stacked and placed on the product station 14. After that, it is transported to another place by the forklift 5 or the like.

The elevating table 15 is provided on the carrier 12 so as to be able to ascend and descend via supporting legs 16, and is moved and arranged at a predetermined height position by a cylinder 17. The support legs 16 are connected to each other by a shaft at their centers so as to form an X shape, and the cylinder 17 is connected to the shaft. A plurality of support arms 18 as support members are attached to the lift table 15 at the rear end thereof by a pin 19 so as to be tiltable in the vertical direction. As shown in FIGS. 2 to 4, a plurality of guide rollers 20 are provided on the upper surface. The tilting arm 21 includes a tilting arm 21 and a tilting arm 21 mounted on the tilting arm 21 so as to move forward and backward.

The first connecting member 23 is installed between the tilting arms 21 of the supporting arms 18, and the supporting levers 18 and the supporting members 18 are connected via the operating lever 25 and the first connecting member 23 by the operation of the cylinder 24 constituting the operating means. 18 is integrally tilted up and down between a horizontal position shown by a chain line in FIG. 3 and a forward ascending tilt position shown by a solid line in FIG. The operating levers 25 are a pair of shafts connected to each other, and the cylinder 24 is connected to the shaft. Second connecting body 26
Is installed between the advancing / retreating arms 22 of each support arm 18, and is rotated by the rotation of the motor 27 that constitutes the operating means.
8, the rack 29 and the second connecting body 26 integrally move the retractable arms 22 back and forth between a rearward retracted position shown by a chain line in FIG. 3 and a forward retracted position shown by a solid line in FIG. Be moved.

Then, the carrier 12 is moved to the receiving position P3.
Tilting arm 2 of each support arm 18 in the state of being moved to
1 is arranged in the horizontal position, and the advancing / retreating arm 22 is moved from the retracted position to the advanced position, so that each advancing / retreating arm 22 passes from the outside of the processing table 1 between the sword pins 3 of the processing table 1, The processed work Wa is inserted into the lower side of the processed work Wa on the sword pin 3 or a lift bar (not shown), and the tilting arm 21 is tilted from the horizontal position to the upper tilted position in this state, so that the processed work Wa is moved to the sword pin 3 It is lifted from above and received and placed on the advancing / retreating arm 22 of each support arm 18. Further, in this state, after the carrier vehicle 12 is moved from the receiving position P3 to the unloading position P4, the tilting arm 21 is tilted from the tilted position to a lower horizontal position, and the advancing / retreating arm 22 is moved from the advancing position to the retracting position. As a result, the processed work Wa is carried out from the advancing / retreating arm 22 of each support arm 18 onto the product station 14.

The first stopper 30 is the support arm 18 described above.
The projecting work piece Wa is projected from the advancing / retreating arm 22 and the tilting arm 21 is tilted from the horizontal position to the upper tilting position at the receiving position P3 of the carrier 12 so that the machined work Wa is moved from the machining table 1 to the supporting arm 18 of each supporting arm 18. When the work piece Wa is received on the advancing / retreating arm 22, the processed work piece Wa slightly slides along the inclination, so that the first stopper 30 is used for the processed work piece Wa.
The processed work Wa is positioned at a predetermined position by engaging with the trailing edge of the trailing edge.

The second stopper 31 is provided on the upper surface of the rear portion of the product station 14 so as to project, and the carry-out position P of the carriage 12 is taken out.
4, the protruding / retreating arm 22 is moved from the advancing position to the retracting position so that the machined workpiece Wa is moved from above the advancing / retreating arm 22 of each supporting arm 18 to above the product station 14. When being carried out, the second stopper 31 engages with the trailing edge of the processed work Wa, and the backward movement of the processed work Wa is restricted. Then, the processed work Wa is transferred onto the product station 14 with its rear edges aligned.

The third stopper 32 is projectingly provided on the upper front surface of the product station 14 so that the processed work Wa is moved from the upper and lower arms 22 of the support arms 18 to the product station 1.
When it is carried out onto the product station 4, the third stopper 32 prevents the processed work Wa from falling off in front of the product station 14.

Next, the operation of the laser processing apparatus configured as described above will be described. When the laser processing apparatus is in operation, one workpiece W on the material station 4 is adsorbed by the vacuum pad 7 of the loading mechanism 6 while the processing table 1 is moved to the loading position P1. After being lifted by the cylinder 8, the cylinder 8 is moved rearward in the drawing to be loaded and mounted on the hook pin 3 of the processing table 1. In this state, the processing table 1 is moved from the carry-in position P1 to the processing position P2, and the laser beam is emitted from the laser head 10 of the laser processing machine 9 to the work W on the processing table 1 to perform cutting processing. Then, the cut material and the chips cut from the work W are carried out from the processing position P2 to the right side in the drawing by the carry-out conveyor 11.

On the other hand, the processing table 1 on which the processed work Wa is placed is moved from the processing position P2 to the carry-in position P1 again, and is arranged corresponding to the transport carriage 12 at the receiving position P3. At this time, the support arms 18 on the transport carriage 12 are arranged horizontally, and the height of the transport carriage 12 is set so that the height of each of the advancing / retreating arms 22 is lower than the height of each of the sword pins 3. Adjusted. After that, each support arm 1
The eight advancing / retreating arms 22 are moved from the retracted position outside the processing table 1 to the advancing position between the sword pins, and each of the shunting arms 22 enters below the processed work Wa on the sword pins 3. Then, in this state, the tilting arm 21 is tilted to the upper tilted position, and the processed work Wa is moved to the first stopper 30.
While being regulated by the above, it is lifted from the sword mountain pin 3 and received at a predetermined position on the advancing / retreating arm 22 of each supporting arm 18.

Then, in this state, the carrier 12 is moved from the receiving position P3 to the unloading position P4, and the supporting arm 18 is moved.
Workpiece Wa supported on the advancing / retreating arm 22 of
From the position above the processing table 1 to the product station 14
Is moved to the upper position. Then, in this state, the tilting arm 21 is tilted from the tilted position to the lower horizontal position, the advancing / retreating arm 22 is moved from the advancing position to the retracting position, and the processed work Wa is regulated by the second stopper 31, Each support arm 18 is taken out from the advancing / retreating arm 22 and carried out onto the product station 14. When the processed work Wa is carried out, the product station 14
The height of the lifting platform 15 is adjusted according to the height of the product or the stacking height of the products on the station 14.

As described above, in the laser processing apparatus of this embodiment, since the support arm 18 lifts and transfers the processed work Wa from the processing table 1 from below, a magnet or a vacuum pad is used for the transfer. Unlike the case where the processed work Wa is a non-magnetic material such as aluminum, or the processed work Wa has through holes, the processed work Wa can be conveyed without any trouble. .. Further, as described above, since the processed work Wa is lifted and conveyed from the lower side, unlike the case where the processed work is slid, the processed work hits the Kenzan pin and is damaged, or It will not be caught and will not be able to carry smoothly, nor will the processed workpieces and sword pins be damaged.

The present invention is not limited to the configuration of the above-described embodiment, but may be modified and embodied as follows without departing from the spirit of the present invention. (1) A guide roller is provided above the front end of the advancing / retreating arm 22 of each support arm 18 so as to guide the carry-out movement of the processed workpiece Wa from the advancing / retreating arm 22 onto the product station 14.

(2) At the carry-out position P4 of the transport carriage 12, with the tilting arm 21 of each support arm 18 tilted to a tilted position further down front than the horizontal position, the retractable arm 22 is moved from the retracted position to the retracted position. And to carry out the processed work Wa more smoothly.

(3) Arranging each support arm 18 on the lift table 15 so that it cannot be tilted. Therefore, in this case, the cylinder 17 and the motor 27 constitute an actuating means, and in the state where the support arm 18 is advanced, by moving the lift table 15 upward without changing the angle of the support arm 18, The processed work Wa is received, and the processed work Wa is carried out by retracting the support arm 18 with the elevating table 15 moved downward without changing the angle of the support arm 18. ..

[0027]

Since the present invention is configured as described above, the processed workpiece placed on the processing table is not caught by the large number of blade pins arranged on the processing table. It is possible to smoothly carry out, and it is possible to reliably prevent the back surface of the processed work from being damaged by the sword pin or being damaged.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a laser processing apparatus embodying the present invention.

FIG. 2 is an enlarged plan view showing a carry-out configuration of a processed work in the laser processing apparatus.

FIG. 3 is a side view showing the carrying-out configuration of the processed workpiece.

4 is a partially enlarged cross-sectional view taken along the line AA of FIG.

[Explanation of symbols]

1 processing table, 3 Kenzan pins, 9 laser processing machines,
12 carrier carts, 14 product stations, 18 support arms as support members, 21 tilting arms, 22 advancing and retracting arms, 24 cylinders that make up the operating means, 27 motors that make up the operating means, Wa processed workpieces, P3 receiving position, P4 Unloading position.

Claims (1)

[Claims] 1. A laser machining apparatus in which a workpiece is placed on a sword pin provided on the upper surface of a machining table and the workpiece is machined by a laser machining machine. A carrier truck that is movable between a corresponding receiving position and a carry-out position that corresponds to a product station that is provided apart from the processing table, and a Kanayama pin at the receiving position that is provided on the carrier truck. A support member that can move back and forth between a position between and between the positions and a position that can move up and down between a position lower than the height of the Kenzan pin and a position above it, and the transport carriage moves to the receiving position. In this state, the support member is advanced below the processed work on the processing table and moved upward, and the processed work is received from the processing table on the support member. In addition, in the state where the carrier vehicle is moved to the carry-out position, the support member is retracted from the advanced position, and the working member is carried out from the support member to the product station. Laser processing equipment.