Corona gap adjusting device

By adjusting the gap between the ceramic electrode and the corona roller using a corona gap adjustment device, the problems of complicated and costly corona treatment methods are solved, resulting in better corona treatment effects and improved aluminum foil surface properties.

CN224323570UActive Publication Date: 2026-06-05HANGZHOU FIVE STAR ALUMINUM
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Patent Information

Application Number
CN202521141795.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2026-06-05
Estimated Expiration
2035-06-04

AI Technical Summary

Technical Problem

In existing technologies, corona treatment methods are complex, have poor corona effects, and are costly, leading to production instability and increased energy consumption, which affects the performance and production efficiency of aluminum foil.

Method used

A corona gap adjustment device is adopted. By installing a corona roller and a support on the frame, and installing a telescopic mechanism and a ceramic electrode on the support, the gap between the ceramic electrode and the corona roller is adjusted. Combined with the gap measuring device, precise measurement and adjustment are achieved, thereby improving the corona effect.

Benefits of technology

It improves the surface roughness and degreasing effect of aluminum foil, increases surface tension, reduces production costs, improves production efficiency and energy efficiency, and enhances the dyne value and surface cleanliness of aluminum foil.

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Abstract

The utility model provides a corona gap adjusting device. Comprising a rack, a corona roller arranged on the rack and rotationally connected with the rack, a support fixed to the rack and located over the corona roller, a telescopic mechanism fixed to the side, close to the corona roller, of the support, and a ceramic electrode fixed to the side, close to the corona roller, of the telescopic mechanism. The gap measuring device is fixed on the rack; the ceramic electrode and the corona roller face each other and are arranged at an interval, the telescoping mechanism is used for adjusting the distance between the ceramic electrode and the corona roller, and the gap measuring device is arranged at an interval with the corona roller and is used for measuring the size of the gap between the ceramic electrode and the corona roller. The corona gap adjusting device provided by the utility model can improve the corona effect, increase the surface roughness, the oil removal effect and the surface tension of the aluminum foil, and improve the gap measurement precision.
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