Circular welding strip tinning device

By employing mold adjustment and high-frequency vibration devices in the production of photovoltaic solder ribbons, the problem of poor concentricity of the solder ribbons was solved, resulting in uniform coating of molten solder and improved surface finish of the solder ribbons, thus improving product quality.

CN224350729UActive Publication Date: 2026-06-12XIAN TELISON NEW MATERIAL
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Patent Information

Application Number
CN202520856088.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-06-12
Estimated Expiration
2035-04-30

AI Technical Summary

Technical Problem

In the hot-dip galvanizing process of photovoltaic ribbons, the existing technology has poor control over the concentricity of the ribbons, resulting in uneven coating thickness and product surface quality problems, which affect subsequent welding work.

Method used

A circular solder strip tin plating device is used, which combines a mold adjustment device and a high-frequency vibration device. The surface tension of the molten tin on the copper wire is changed by high-frequency vibration, so that the molten tin is evenly distributed on the surface of the copper wire. The amount of molten tin is controlled by a tin control mold, and the device is combined with an air cooling device for shaping to form a uniform tin alloy coating.

Benefits of technology

It improves the concentricity and surface finish of the solder strip, prevents mold clogging, ensures uniform coating of molten solder, and enhances product quality.

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Abstract

The utility model belongs to the technical field of tinning of photovoltaic solder strips, and relates to a tinning device for a circular solder strip. The device comprises a rack, a mold adjusting device and a high-frequency vibration device are arranged on the rack, the high-frequency vibration device comprises a vibration terminal, the vibration terminal is located below a tin control mold and makes contact with a circular copper wire, and the circular copper wire is vibrated through the vibration terminal; a circular copper wire sequentially passes through the wire pressing wheel, the vibration terminal, the tin control die and the air cooling device to be coated and shaped, and a circular welding strip is formed. The high-frequency vibration device is adopted, the surface tension of tin liquid on the surface of the copper wire is changed through high-frequency vibration, flowing of the tin liquid in the circumferential direction of the copper wire is accelerated, the tin liquid is more evenly distributed on the surface of the copper wire before solidification, the concentricity of the cooled circular welding strip is better, and the surface is smoother.
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