Muffler punching anti-burr bidirectional punching cutter structure

By designing a two-way punching tool structure with a muffler and anti-burr, the problem of needing to replace the entire tool when it wears out has been solved. This allows for the individual replacement of the stepped punch, improving the tool's efficiency and lifespan.

CN224238036UActive Publication Date: 2026-05-15LIUZHOU HENGZHUO AUTO PARTS
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Utility models(China)
Current Assignee / Owner
LIUZHOU HENGZHUO AUTO PARTS
Filing Date
2025-06-17
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing muffler drilling tools need to be replaced entirely when the working section wears out, resulting in the waste of functional non-working section materials and failing to fully utilize the tool's life cycle value.

Method used

A bidirectional punching tool structure for muffler drilling and anti-burr design was designed, including a disassembly and assembly mechanism and an auxiliary mechanism. It allows the stepped punch to be replaced individually when worn, and achieves quick disassembly and installation through the cooperation of slide bar, locking block, limit spring and swivel ring.

Benefits of technology

It improves the efficiency of tool use and replacement, reduces material consumption, and extends the service life of tools.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224238036U_ABST
    Figure CN224238036U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of silencer punching, and discloses a silencer punching burr-preventing bidirectional punching cutter structure which comprises a cutter handle, a stepped punch is clamped at the bottom of the cutter handle, a dismounting mechanism and an auxiliary mechanism are arranged in the cutter handle, the dismounting mechanism comprises a sliding rod, the sliding rod is connected to the inner wall of the cutter handle in a sliding mode, and the auxiliary mechanism is connected to the inner wall of the cutter handle in a sliding mode. A clamping block is fixedly installed at the bottom of the sliding rod, a clamping groove allowing the clamping block to be inserted therein is formed in the stepped punch, a limiting spring is fixedly installed on the side wall of the sliding rod, and an inclined groove is formed in the top of the clamping block. According to the utility model, through the arrangement of the dismounting mechanism, the stepped punch can be dismounted when the stepped punch is abraded, so that a worker can replace the stepped punch independently, the cutter handle can be used continuously, the cutter handle and the stepped punch can exert the life cycle value of the cutter handle and the stepped punch, the material loss is reduced, and the service life of the cutter handle and the stepped punch is prolonged. And the cutter replacement efficiency is also improved.
Need to check novelty before this filing date? Find Prior Art