JPH05277790A - Work carrying device for laser beam machine - Google Patents

Abstract

PURPOSE:To surely prevent the dropping of a work by constructing a pallet for carrying in and out a work in a net-shaped and providing an up-and-down moving mechanism. CONSTITUTION:The work 7 is carried in to/out from a machining device of the laser beam machine in the work carrying pallet 6 sliding on a guide rail 10 on a rolling part 8. When the work 7 on the pallet 6 held by many work supporting pin unit 2 which pass through the net-shaped pallet 6 is held by a clamping device 4, the pallet 6 is lowered with an actuator 9 and machining is started. The work 7 which is arbitrarily cut into pieces by the machining and the pieces are divided into one which remain on the pallet and others which drop from the pallet by their shapes and sizes. The actuator 9 is elevated to carry out the pallet and the work 7 which was machined.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work loading / unloading device for loading / unloading a work into / from a laser processing apparatus.

[0002]

2. Description of the Related Art FIG. 3 is a plan view showing an upper surface of a conventional laser processing apparatus table, and FIG. 4 is a side sectional view of the laser processing apparatus table. In each figure, 1 is a table main body, 2 is a work support pin unit for supporting a workpiece, and 3 has a large number of free bearings for directly loading and unloading the work 7 to and from the table main body, and ascending and descending. A work loading / unloading device 4 having a mechanism for carrying out the work, 4 is a work clamping device for holding the work 7, and 5 is a work positioning device serving as a reference position when the work 7 is directly loaded into the table body 1.

Next, the operation and the component structure will be described. In each of FIGS. 3 and 4, when the work 7 is loaded in the loading direction B, the work loading / unloading device 3 having a large number of free bearings and also serving as a lifting mechanism is placed in a raised state to support the work. The workpiece 7 is moved on the free bearing at a position higher than the pin unit 2. The loading position of the work 7 on the table body 1 is performed by directly bringing the work 7 into contact with the work positioning device 5. After that, by lowering the work loading / unloading device 3, the work 7 is supported by the support pin unit 2, and the work clamp device 4 holds the work 7. After that, the work 7 is irradiated with a laser beam, and the laser beam or the table body 1 is moved to perform processing (cutting, drilling, welding, etc.). After the processing is completed, the work clamp device 4 holding the work 7 is released, and the work loading / unloading device 3 is lifted to carry out the work 7.

[0004]

Since the conventional work loading / unloading device is constructed as described above, it is difficult to carry out the work 7 when the free bearing is inserted into the cut-out hole when carrying out the work 7. It was necessary to carry out the work without cutting it off and separate it by using another method as a post process.

The present invention has been made to solve the above problems, and an object thereof is to obtain a work loading / unloading device for a laser processing apparatus that can be easily unloaded even if it is completely cut off.

[0006]

A work loading / unloading device according to the present invention is a mechanism for moving a net-like pallet itself up and down in a table body without interfering with a work support pin unit holding the work in the table body. And a mechanism that is slidable up and down the table body area when the table is raised.

[0007]

In the present invention, both the cut-out material and the remaining portion of the mesh pallet are carried out at the same time. Further, since the pallet can be moved to the outside of the table body area, it is possible to perform the sorting work after machining and the replacement of the workpieces outside the table body area.

[0008]

【Example】

Example 1. An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of the table showing the details of the work loading / unloading device in the table of the laser processing apparatus, and FIG. 2 is a top view of the table. In each figure, 1 is a table main body, 2 is a work support pin unit for supporting a work piece 7, 4 is a work clamp device for holding the work piece 7, 6 is a work piece carry-in, A mesh-like work loading / unloading pallet used for unloading, 8 is attached to both ends of the pallet 6, and the pallet 6 can be moved smoothly. A guide component (not shown) for preventing the pallet 6 from being displaced is attached to the tip of the actuator for moving up and down. Reference numeral 10 is a guide rail for moving (loading / unloading) the pallet 6 out of the table body 1 and its area, and 11 is pallet positioning for taking a reference position and a seating signal when loading the pallet 6 into the table body 1. It is a device.

Next, the operation will be described. Guide rail 1 guided from the table body when loading work 7
The work loading / unloading pallet 6 slides on 0 by the action of the rolling component 8 and moves to a predetermined position, that is, the work 7 is brought close to the place where it is stocked, and the work 7 is set on the pallet 6. . After setting, it is moved toward the table body 1 and brought into contact with the pallet positioning device 11 attached to the table body 1. At this time, the mesh of the pallet 6 is at a position where it does not interfere with the work supporting pin unit 2 which supports the work 7. The pallet 6 whose position has been determined is present on the actuator 9 with the position shift prevention guide component at the tip at this point. The pallet 6 is lowered by the actuator 9, and the work 7
Is supported by the work support pin unit 2, and when it is held by the work clamp device 4, machining is started. The work 7 arbitrarily cut off by processing is divided into a product left on the pallet 6 and a product dropped according to the shape and size thereof. After the processing is completed, the pallet 6 is raised by the actuator 9. After completion of the ascending process, the pallet 6 is moved by the guide rails 10, the cut-off object and the work 7 are unloaded from the pallet 6, and one cycle is completed.

Embodiment 2. In the above embodiment, the work loading / unloading pallet was moved up and down in the table, and the slide mechanism inside / outside the table body area was shown. Can be easily dealt with. Also,
By arbitrarily changing the size of the mesh, it is possible to deal with the case where unnecessary cutting waste is not placed on the pallet and vice versa. In the above embodiment, the mesh of the work loading / unloading pallet has a lattice shape, but the shape of the mesh such as a diamond shape or a honeycomb shape can be freely selected.

[0011]

As described above, according to the present invention, a product having a required shape can be completely cut without providing a minute uncut portion called a micro joint.
The extra step of separating by other means later will be deleted, leading to a reduction in the overall cost. In addition, since the work is not affected by the warpage and the thickness of the work, the carry-in operation is performed smoothly, and the processing time can be shortened.

[Brief description of drawings]

FIG. 1 is a side view of a laser processing apparatus table incorporating a work loading / unloading device according to an embodiment of the present invention.

FIG. 2 is a top view of a laser processing apparatus table incorporating a work loading / unloading device according to an embodiment of the present invention.

FIG. 3 is a top view of a conventional laser processing apparatus table.

FIG. 4 is a side view of a conventional laser processing device table.

[Explanation of symbols]

 1 table body 2 work support pin unit 3 work loading / unloading device 4 work clamping device 5 work positioning device 6 work loading / unloading pallet 7 work 8 rolling part 9 actuator (elevating device) 10 guide rail 11 pallet positioning device

Claims (1)

[Claims] 1. A workpiece is irradiated with a laser beam,
In a laser processing apparatus that performs laser processing, a work support pin unit that supports the work and a work carry-in unit that co-exists in the mounting region of the support pin unit and that does not interfere with the support pin unit. The output pallet and the work loading / unloading pallet are lifted at the arrangement position,
For a laser processing apparatus provided with an elevating device for lowering and a guide for allowing the work loading / unloading pallet to reciprocate between the arrangement position and an arbitrary position outside the laser processing apparatus at an upper limit position. Work loading / unloading device.