A dismounting tool for a round workpiece

By designing a disassembly fixture for circular workpieces, and utilizing a combination of clamping and impact cylinders to overcome the interference fit between the sleeve and the reducer interface, the problem of difficult sleeve disassembly is solved, achieving efficient and low-cost disassembly while protecting the sleeve and reducer from damage.

CN224643516UActive Publication Date: 2026-08-18HENAN AEROSPACE HYDRAULIC & PNEUMATIC TECH
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Patent Information

Application Number
CN202522031710.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-20
Publication Date
2026-08-18
Estimated Expiration
2035-09-20

AI Technical Summary

Technical Problem

The sleeve and the reducer interface are interference fit, which cannot be disassembled using a pry tool, resulting in the sleeve being scrapped and the reducer being damaged. Traditional methods are inefficient and costly.

Method used

Design a disassembly fixture for circular workpieces. Through the combination of a clamping cylinder and an impact cylinder, the repeated impact force of the impact cylinder overcomes the sliding friction force to disassemble the sleeve, and the fixing structure protects the sleeve from damage.

Benefits of technology

It improves disassembly efficiency, reduces costs, avoids damage to the sleeve and reducer, is suitable for batch disassembly, and is easy to operate.

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Abstract

The utility model relates to dismantling frock technical field, concretely is a kind of dismantling frock for circular workpiece, including clamping cylinder, baffle, core rod and impact cylinder, clamping cylinder dismantling is arranged at one end of core rod, baffle dismantling is arranged at the other end of core rod, impact cylinder is sleeved on core rod and impact cylinder slides relative to core rod, impact cylinder is located between clamping cylinder and baffle, recess is provided in the side of clamping cylinder away from core rod, and fixed structure is adjustably arranged on the recess of clamping cylinder.The utility model's dismantling frock for circular workpiece, dismantling frock and the dismantled sleeve are connected and fixed by fixed structure, and the dismantled sleeve is taken down by repeated impact force of impact cylinder, effectively overcome the huge sliding friction force brought by large interference amount, effectively improve the dismounting efficiency, and the dismantled sleeve after dismounting can be used again without being damaged, also not cause damage to speed reducer;It shortens the time of upper bench and milling machine, and simple operation also reduces dismounting cost.
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