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Laser processing fixture and clamping method for inner and outer walls of conical thin-walled rotary parts

A thin-wall rotary and laser processing technology, which is applied in the direction of manufacturing tools, metal processing equipment, laser welding equipment, etc., to achieve the effects of avoiding secondary clamping, good processing accuracy, and simple body structure

Active Publication Date: 2021-07-16
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the prior art, the present invention aims at the problem of laser machining the corresponding pattern on the inner and outer surfaces of the conical thin-walled rotary part in one installation, and invents a precision special fixture for laser processing of the inner and outer walls of the conical thin-walled rotary part. and clamping method

Method used

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  • Laser processing fixture and clamping method for inner and outer walls of conical thin-walled rotary parts
  • Laser processing fixture and clamping method for inner and outer walls of conical thin-walled rotary parts
  • Laser processing fixture and clamping method for inner and outer walls of conical thin-walled rotary parts

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Experimental program
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Effect test

Embodiment

[0021] Embodiment: The special fixture and the clamping steps are as follows:

[0022]1. Install the supporting parts of the seat body

[0023] Fix the base 1 on the base of the two-axis CNC turntable with bolts and nuts, and clamp the two Z-shaped base arms 7 symmetrically on the base 1 through the positioning pin 5 and the clamping bolt 6 respectively, and then use the positioning pin 8 and the clamping The bolts 9 respectively fix the lower T-shaped guide rail 10 and the upper T-shaped guide rail 13 together, and the lower guide rail 10 is fixed on the base arm 7 through the positioning pin 8 and the clamping bolt 9 . The auxiliary support base 2 is installed on the base 1 in a threaded manner, and then the three auxiliary supports 3 are symmetrically installed on the auxiliary support base 2 by positioning two pins on one side.

[0024] The slider 15 is fixedly connected to the upper T-shaped guide rail 13 through the bolt 14, the key 27 is installed in the keyway 16c on ...

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Abstract

The invention relates to a laser processing fixture and a clamping method for the inner and outer walls of a conical thin-walled rotary part, which belong to the field of mechanical processing fixtures, and relate to a special fixture and a clamping method for laser processing of the inner and outer walls of a tapered thin-walled rotary part. The fixture is composed of a base supporting part, a turning part and a positioning and clamping part. The clamping method adopts a special processing fixture for clamping, and uses three fixed positioning and clamping parts with precise mutual positional relations in the special fixture to realize the positioning and clamping of the conical thin-walled rotary parts, and through the special keyway The stepped mandrel cooperates with the stop pin to realize the positioning of the workpiece before and after turning over, and realizes the high-precision laser processing of the corresponding patterns on the inner and outer walls of the conical thin-walled rotary part under the condition of one installation. The fixture can effectively ensure the positioning and clamping of the conical thin-walled rotary workpiece on the basis of as little deformation as possible. The overall structure of the fixture is simple, the performance is reliable, the operation is convenient, and the machining accuracy is good.

Description

technical field [0001] The invention belongs to the field of mechanical processing fixtures, and relates to a special fixture and a clamping method for laser processing of the inner and outer walls of a conical thin-walled rotary part. Background technique [0002] High-performance antennas are key components in the aerospace field. This type of antenna is usually a conical thin-walled rotary part with metal coating on the inner and outer walls, and an antenna strip line with high-precision and complex geometric features is formed by laser processing. In order to meet the performance improvement requirements of the aircraft, the patterns on the inner and outer walls of the antenna are required to have a strict relative position correspondence. At present, five-axis linkage CNC machining equipment is widely used to process this type of antenna. However, due to the limitation of the range of motion of the workbench and the constraints of the clamping method, two clampings are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/70
CPCB23K26/702
Inventor 马建伟韩东旭贾振元王健周子淇曹兴坤
Owner DALIAN UNIV OF TECH
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