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Special fixture for auxiliary laser drilling of partition and method for machining small holes

A technology of auxiliary laser and special fixture, which is applied in the direction of auxiliary devices, laser welding equipment, auxiliary welding equipment, etc., can solve the problems such as large deviation of roundness of the diameter of the processing hole, and the smoothness of the processing hole cannot meet the requirements of the national standard.

Pending Publication Date: 2019-03-08
HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing technology is to directly irradiate the surface of the workpiece with laser to drill holes. Due to the limitation of laser and processing parameters, the aperture size, hole distance, and roundness of the processed holes have large deviations, and the smoothness of the processed holes cannot reach the national level. standard requirement

Method used

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  • Special fixture for auxiliary laser drilling of partition and method for machining small holes
  • Special fixture for auxiliary laser drilling of partition and method for machining small holes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A special fixture for diaphragm-assisted laser drilling, which consists of: a clamp body 3, the interior of the clamp body is a stepped circular ring groove structure, and a plastic gasket 4 is placed in the ring groove at the lower part of the clamp body , a glass backing plate 5 is placed above the plastic spacer, a workpiece 6 is placed above the glass backing plate, a partition 1 is placed on a plane on the workpiece, and the peripheral edge of the plane on the partition is connected to the stud 2 fit, the stud is connected with the clamp body through threads.

Embodiment 2

[0019] According to the special fixture for partition-assisted laser drilling described in Embodiment 1, the inside of the stud is a cylindrical hole and the upper part has a horizontal groove structure, and the outer diameter of the glass backing plate is the same as the outer diameter of the workpiece same.

Embodiment 3

[0021] According to the clapboard-assisted laser drilling special fixture and the small hole processing method described in embodiment 1 or 2, the method comprises the following steps:

[0022] First, clean the circular ring groove and thread inside the clamp body, and then place the plastic gasket in the ring groove at the lower part of the clamp body in sequence. When placing, the inner diameter of the plastic gasket is coaxial with the inner diameter of the bottom of the clamp body, Place the glass backing plate above the plastic spacer, and ensure that it is coaxial with the plastic spacer when placing it, then place the workpiece on the glass backing plate, and align the workpiece with the outer diameter of the glass backing plate Alignment, and finally the partition is placed on the workpiece, and the partition and the workpiece can be fixed by pressing the fixing studs;

[0023] When processing the small holes on the workpiece, the laser first processes the prefabricate...

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PUM

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Abstract

The invention relates to a special fixture for auxiliary laser drilling of a partition and a method for machining small holes. Laser is directly radiated on the surface of a workpiece so as to drill in the prior art, because of the limitation to laser and machining parameters, the deviation of the aperture size, the hole distance and the roundness of machined holes are large, and the smoothness ofthe machined holes cannot meet the national standard requirements. The special fixture comprises a fixture body (3), wherein the interior of the fixture body is of a step circular ring groove structure, a plastic shim (4) is put in an annular groove in the lower part of the fixture body, a glass backing plate (5) is put above the plastic shim, a workpiece (6) is put above the glass backing plate,a partition (1) is put on the upper plane of the workpiece, the circumferential edge of the upper plane of the partition is abutted with a stud (2), and the stud is connected with the fixture body through threads. The special fixture is used for the auxiliary laser drilling of the partition.

Description

Technical field: [0001] The invention relates to the field of manual clamping mechanical equipment, in particular to a special clamp for partition-assisted laser drilling and a method for processing small holes. Background technique: [0002] The existing technology is to directly irradiate the surface of the workpiece with laser to drill holes. Due to the limitation of laser and processing parameters, the aperture size, hole distance, and roundness of the processed holes have large deviations, and the smoothness of the processed holes cannot reach the national level. standard requirement. Invention content: [0003] The object of the present invention is to provide a special fixture for partition-assisted laser drilling and a method for processing small holes. [0004] Above-mentioned purpose realizes by following technical scheme: [0005] A special fixture for diaphragm-assisted laser drilling, which consists of: a clamp body, the interior of the clamp body is a stepp...

Claims

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Application Information

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IPC IPC(8): B23K26/70B23K26/36B23K37/053
CPCB23K26/36B23K26/702B23K37/053
Inventor 齐立涛万丰李大勇刘文海
Owner HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY