Cutter special for bush extrusion

By designing a special tool for bushing extrusion, the diameter of the cutting head is reduced from left to right, which solves the problem of the wear of the existing extrusion tool completely replaced, and achieves high efficiency and convenience during replacement.

CN222660620UActive Publication Date: 2025-03-25SHIYAN BAOCHENG BRAKE CO LTD
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Patent Information

Application Number
CN202421427506.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-03-25
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The existing extrusion knives wear due to friction and extrusion when repairing the bushing, resulting in a reduction in the diameter of the cutter head and need to be replaced all of them, which is costly and time-consuming and labor-intensive.

Method used

A special tool for bushing extrusion is designed. The diameter of the cutting head is reduced in sequence from left to right, and can continue to be used when worn. Only the right-most cutting head needs to be removed and replaced, and the remaining cutting heads are installed at the same time.

Benefits of technology

It reduces the time and cost of tool replacement, reduces the difficulty of use, and achieves efficient and convenient tool head replacement.

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Abstract

The utility model provides a special cutter for bushing extrusion, and relates to the technical field of brake part machining. A tool bit mounting column is integrally formed on the right side of the tool bar; a tool bit mounting cylinder is mounted on the outer side of the tool bit mounting column; totally seven tool bits are mounted on the outer side of the tool bit mounting cylinder; a guide sleeve is further mounted on the outer side of the tool bit mounting cylinder; a nut is screwed on the outer side of the right end of the tool bit mounting column through threads; according to the tool, the tool bit does not need to be completely disassembled and replaced when replaced, the use cost is reduced, and time and labor are saved during replacement.
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