A high-speed detection label changing equipment label rejecting automatic compensation mechanism and a compensation method

By employing a combination of lever transmission structure and intelligent control in the label-replacing equipment, the synchronous linkage between label removal action and tension compensation is achieved, solving the problem that the compensation algorithm in the existing technology needs to be constantly adjusted, and improving the accuracy of label removal and equipment efficiency.

CN120228065BActive Publication Date: 2026-06-26GUANGZHOU CHILI AUTOMATION EQUIP
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Patent Information

Application Number
CN202510342607.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-06-26
Estimated Expiration
2045-03-21

AI Technical Summary

Technical Problem

Existing inspection and labeling equipment uses electrically controlled rotating shaft tension for compensation when rejecting defective products. This requires constant adjustment of the compensation algorithm, affecting the accuracy of label rejection and the efficiency of the equipment. In particular, calculation errors are prone to occur when multiple defective products appear in succession.

Method used

A passive tension compensation scheme based on the lever transmission principle is adopted. The label rejection sliding component and the tension compensation guide roller are connected by a lever structure with a specific ratio. The torque balance characteristics of the lever are used to realize the synchronous linkage between the label rejection action and the tension compensation. Combined with intelligent control methods, the paper tension value is monitored in real time and dynamically adjusted.

Benefits of technology

It achieves precise synchronization between the label removal action and tension compensation, improving the accuracy of label removal and the working efficiency of the equipment, reducing manual debugging time, adapting to changes in different working conditions, and avoiding the lag problem of traditional feedback control.

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Abstract

The application relates to the technical field of detecting and replacing labels, and particularly relates to a high-speed detecting and replacing label equipment label rejecting automatic compensation mechanism and a compensation method. The application provides a passive tension compensation scheme based on a lever transmission principle, a lever structure with a specific proportion is connected between a label rejecting sliding piece and a tension compensation guide roller, the lever moment balance characteristic is utilized, and synchronous linkage of label rejecting action and tension compensation is realized; specifically, when the sliding piece moves downward to reject a label, the movable guide roller is automatically driven to move upward by an equal distance through a lever transmission structure composed of a first swing rod and a second swing rod, so that the paper path length is actively changed, and the tension change caused by label rejection is compensated.
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