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A positioning tool for thin-walled cylindrical parts

A thin-walled tube and cylindrical technology, which is applied in the field of mechanical processing, can solve the problems of rigidity, difficulty in processing, and easy deformation of thin-walled cylindrical parts, and achieve the effects of guaranteed processing accuracy, convenient processing, and small clamping deformation

Active Publication Date: 2020-05-29
XIANGYANG WU ER WU PUMP IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a positioning tool for thin-walled cylindrical parts in order to solve the problems of rigidity, easy deformation and difficult processing of thin-walled cylindrical parts

Method used

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  • A positioning tool for thin-walled cylindrical parts

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Embodiment

[0018] A positioning tool for thin-walled cylindrical parts of the present invention, such as figure 1 As shown, it includes expansion outer sleeve 1, expansion inner sleeve 2, locking ring 3, expansion body 4 and elastic ring 5;

[0019] The expansion jacket 1 is a split structure formed by cutting the cylindrical joint axially into equal parts. The outer diameter of the cylindrical joint matches the inner diameter of the cylindrical piece to be clamped. The expansion sleeve 1. There is a ring-shaped limiting platform extending radially inward at the front port of the cylindrical fitting;

[0020] The expansion inner sleeve 2 is a split structure formed by cutting the cylindrical joint axially and equally. The outer diameter of the expansion inner sleeve 2 cylindrical joint is the same as the inner diameter of the expansion sleeve 1 cylindrical joint. Matching, the inner cavity of the 2 cylindrical fittings of the expanded inner sleeve is a backward expanding conical surface...

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Abstract

The invention relates to a positioning tool for thin-walled cylindrical parts, which belongs to the field of mechanical processing. The positioning tooling of the present invention comprises an expansion sleeve, an expansion inner sleeve, a locking ring, an expansion body and an elastic ring; the expansion sleeve is a split cylindrical structure; the expansion inner sleeve is a circle with a tapered inner cavity. Cylindrical structure; the inner hole of the locking ring is a threaded hole; the front section of the expansion body is a cylindrical section, the rear section is a tapered section, and the rear end of the cylindrical section is processed with external threads; the expansion sleeve is bonded to the elastic ring on the inner wall Closed into a cylindrical assembly, the locking ring and the inner sleeve of the expansion sleeve are put into the inner cavity of the expansion sleeve in turn; the front end of the expansion body passes through the inner sleeve and the locking ring, and passes through the rear end of the cylindrical section of the expansion body The external thread of the outer wall is threadedly connected with the internal hole of the expansion sleeve. The positioning tool of the present invention has simple structure, convenient processing and simple operation, can quickly and reliably clamp thin-walled cylindrical parts, has small clamping deformation, ensures the processing accuracy of products, and improves processing efficiency.

Description

technical field [0001] The invention relates to a positioning tool for thin-walled cylindrical parts, which belongs to the field of mechanical processing. Background technique [0002] Thin-walled cylindrical parts have poor rigidity, and the parts are prone to elastic deformation during processing and clamping, which seriously affects the processing accuracy of the parts. The current methods mainly include reducing the amount of cutting, increasing the number of semi-finishing operations, and finally finishing to the size requirements. This method is not only time-consuming, but also when the machining allowance is small, the thinner the part, the more difficult it is to process, and it is easy to produce Deformation, resulting in out-of-tolerance part dimensions. Contents of the invention [0003] The object of the present invention is to provide a positioning tool for thin-walled cylindrical parts in order to solve the problems of rigidity, easy deformation and difficu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B31/40
CPCB23B31/404
Inventor 师宏刚李晓斌史浩代云飞唐祥呈
Owner XIANGYANG WU ER WU PUMP IND
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