Universal inflation jig with constant winding force

By designing a universal core-expanding fixture with constant winding force, and utilizing deep groove ball bearings and support columns for buffering and force release, the impact of machine tension and start-stop jamming on product winding was resolved, improving product quality and adaptability, and significantly increasing the product qualification rate.

CN122166624APending Publication Date: 2026-06-09SUZHOU ANJIE TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SUZHOU ANJIE TECH
Filing Date
2026-05-07
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In existing winding operations, the winding quality of products is easily affected by machine tension and start-stop jams, leading to defects such as glue overflow, displacement, and scratches, which affect the product qualification rate.

Method used

It adopts a universal core expansion fixture with constant winding force, including two sets of bearings, several support columns, bearing sleeves and fixing rings. Through deep groove ball bearings and support columns, it buffers and releases force to ensure constant winding force and is suitable for products of different specifications.

Benefits of technology

It achieves constant winding force, eliminates the impact of tension fluctuations and machine start-stop jams on product quality, improves product qualification rate, has strong adaptability and is easy to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention provides a universal core-expanding fixture with constant winding force, which ensures constant winding force, strong adaptability, and simple operation, thereby improving the yield rate of the wound product. It includes: two sets of bearings, both sets of bearings being identical; several support columns, each support column including bearing positioning slots at both ends of its inner surface along the length direction and first threaded positioning holes at both ends of its outer surface along the length direction; a bearing sleeve, the inner circumferential surface of which is provided with several sets of annular support column positioning slots; and two fixing rings, each set of fixing rings having several radial positioning holes around its outer circumference; the two sets of bearings are axially spaced and coaxially arranged, and the several sets of support columns are circumferentially spaced on the annular surface formed by the two sets of bearings, with the bearing positioning slots at corresponding ends of each support column respectively engaging with the corresponding outer ring of the bearing, and the outer surfaces of all support columns respectively embedded in the corresponding support column positioning slots.
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