Device and method for manufacturing optical fiber cable

By combining the direction conversion component and the gas supply system, efficient cooling and coating control of optical fiber are achieved, solving the problems of equipment height and unstable coating quality in traditional optical fiber manufacturing. This makes it suitable for high-precision sensing and medical fields.

CN121107696APending Publication Date: 2025-12-12SUZHOU TERUITONG COMM CO LTD
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Patent Information

Application Number
CN202511273118.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-08
Publication Date
2025-12-12

AI Technical Summary

Technical Problem

Traditional optical fiber manufacturing technology has significant shortcomings in terms of production efficiency and product quality, especially in the cooling of bare optical fiber and the control of coating outer diameter. This leads to increased equipment height, high costs, and stringent space requirements, as well as unstable coating quality.

Method used

By combining a direction conversion component with a gas supply system, the optical fiber is suspended through non-contact guides and air cushions. The cooling and coating process of the bare optical fiber is monitored and adjusted in real time. Image recognition technology and temperature closed-loop control are used to ensure stable temperature of the bare optical fiber and uniform coating outer diameter.

Benefits of technology

It achieves efficient cooling in a limited space, reduces equipment investment and site requirements, avoids coating temperature fluctuations, improves coating quality stability and fiber optic mechanical strength, and is suitable for high-precision sensing and medical fields.

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Abstract

The invention relates to a manufacturing device and a manufacturing method of an optical fiber cable, and relates to the technical field of optical fiber manufacturing, and the manufacturing device comprises a spinning part, a direction conversion assembly, a coating part, a measuring part and a control part. The direction conversion assembly is arranged between the spinning part and the coating part, the internal guide groove is provided with the fluid outlet and is connected with the gas supply system, the gas supply system provides fluid to enable the bare optical fiber to float in the guide groove, and when the bare optical fiber passes through the direction conversion assembly, the gas supply system sprays gas into the guide groove, so that the bare optical fiber is coated with the coating. By adjusting the position of the non-contact guide piece and changing the length of an optical fiber winding path, cooling is achieved in a limited space, long-distance cooling of a traditional linear path is replaced, the problem that in the prior art, the height of equipment is increased due to insufficient cooling distance is avoided, a high plant does not need to be newly built or equipment does not need to be transformed, and cost is reduced. And the production site space requirement and the equipment investment cost are greatly reduced.
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