Automatic lifting rod device for spreader of large-tow fiber production prepreg

By using an automatic lifting rod device to adjust the yarn tension in the production of large tow fibers, the problem of uneven fiber spreading was solved, the uniformity of fiber distribution was achieved, and product quality was improved.

CN224527695UActive Publication Date: 2026-07-21WEIHAI GUANGWEI COMPOSITES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WEIHAI GUANGWEI COMPOSITES
Filing Date
2025-08-21
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Large tow fibers are prone to uneven fiber spreading during vibration spreading, which affects the surface quality of the product.

Method used

An automatic lifting rod device for prepreg yarn spreading in the production of large tow fibers is adopted, which includes a spreading platform, fiber guide rollers, automatic lifting rod device and comb teeth. The fiber spreading tension is adjusted by a screw-type lifting mechanism to achieve uniform spreading.

Benefits of technology

It improves the yarn spreading effect of large-tow fiber unidirectional prepreg, enhances the uniformity of fiber distribution, and improves product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of automatic lifting rod device for big tow fiber production prepreg yarn spreading, belong to high fraction composite production device field.The yarn spreading platform is equipped with fiber guide roller, and the yarn spreading platform is equipped with automatic lifting rod device in parallel on the rear part of fiber guide roller, and automatic lifting rod device uses screw rod type lifting mechanism, and the rear part of automatic lifting rod device is equipped with comb tooth fixed on yarn spreading platform in parallel.The utility model can optimize the yarn spreading effect of big tow fiber unidirectional prepreg, improve fiber distribution uniformity, and improve product quality.
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