Winding tool for rapid production of composite tubular product

By designing multiple coaxial winding columns and support rod bearing structures, the problem of flexural deformation in the production of carbon fiber composite tubes was solved, achieving efficient production and low-cost maintenance, and improving production efficiency and molding accuracy.

CN223559119UActive Publication Date: 2025-11-18HAIYING AEROSPACE MATERIALS RES INST (SUZHOU) CO LTD
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Patent Information

Application Number
CN202423197878.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-18
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In the current production process of carbon fiber composite tubes, the use of long-length tooling for winding leads to flexural deformation, making demolding difficult and resulting in low production efficiency.

Method used

The tooling employs multiple coaxially arranged winding columns connected by internal connecting shafts and threaded holes. Combined with support rods and bearings, it ensures smooth rotation and reduces flexural deformation. Bolted connections facilitate the individual replacement of damaged parts.

Benefits of technology

It enables the molding of multiple products in a single assembly, improving production efficiency, reducing maintenance costs, and ensuring the accuracy of molding dimensions and the stability of tooling.

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Abstract

The utility model discloses a winding tool for rapid production of composite tubular products, which comprises a plurality of coaxially arranged winding cylinders, an internal connecting shaft is arranged between every two adjacent winding cylinders, two sides of each winding cylinder are provided with first threaded holes, two sides of each internal connecting shaft are provided with internal connecting discs, and the internal connecting discs are provided with second threaded holes. A second threaded hole is formed in the internal connecting disc, and an external connecting shaft is arranged on the outer side of the two-end winding column body. According to the utility model, the plurality of coaxial winding column bodies are arranged, so that the forming of a plurality of products can be completed by single assembly, the assembly frequency of the tool is effectively reduced, and the production efficiency is improved. And the length of each winding column body is designed to be short, so that demolding operation is facilitated. The supporting rod is additionally arranged in the middle of the tool, bearing is facilitated, lateral deflection deformation of the tool is reduced, and therefore the forming size precision of a product is improved. The supporting rod is connected with the tool through the bearing, so that stable rotation of the tool is ensured, and abrasion of the tool and the supporting rod is avoided.
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