A high-efficiency feeding device for a cold rolling mill

By designing an efficient feeding device with structures such as trays, feeding bushings, and chains, the instability problem in the feeding process of the cold rolling mill was solved, and the stable quantitative conveying and straight state of the material were achieved, thereby improving the rolling stability and processing accuracy of the cold rolling mill.

CN122125072AInactive Publication Date: 2026-06-02LIAONING PROVINCE SHANYUE MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LIAONING PROVINCE SHANYUE MASCH MFG CO LTD
Filing Date
2026-05-07
Publication Date
2026-06-02
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Cold rolling mills experience problems such as strip misalignment, wrinkling, slippage, and tension fluctuations during the feeding process, leading to unstable rolling, potential roll damage, and strip breakage accidents. Furthermore, traditional feeding devices are easily affected by resistance in the processing area, causing the material to tilt or twist in the middle, affecting the continuity of feeding and processing accuracy.

Method used

A high-efficiency feeding device was designed, comprising a tray, a feeding bushing, a chain belt, a pushing surface shell, and a limiting device. The pushing surface shell is driven to move by the chain belt, and combined with structures such as a dredging cylinder, a grid block, and a pressing cylinder, quantitative conveying and stable limiting of materials are achieved, ensuring the stability and accuracy of the material's posture during the pushing process.

Benefits of technology

It improves the continuity and accuracy of cold rolling mill feeding, reduces the probability of material blockage, ensures the flatness of the material in the processing area, avoids the upward tilting phenomenon caused by resistance, and improves the stability of rolling and the quality of plate shape.

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Abstract

This invention relates to the field of feeding device technology, specifically to a high-efficiency feeding device for a cold rolling mill. It includes a frame, with a pallet for transporting materials fixedly mounted on the upper end of the frame. Above the pallet is a feeding bushing for storing and defining the position of the material to be processed. The feeding bushing is fixedly connected to the upper surface of the frame. Two sprockets are rotatably mounted on the inner end of the frame, and the two sprockets are tensioned and fitted together by a chain belt. A pusher shell is detachably mounted on the surface of the chain belt. A limiting device is installed inside the pallet to support and limit the material's lower or lateral side when it is pushed. This invention, through the coordinated action of the limiting cover plate, the combing plate, and the auxiliary belt, allows the pusher block to enter the rectangular hole of the pallet at the appropriate time during the material's movement, pressing the limiting cover plate into place, thereby creating a downward pressure limit on the material. This ensures that the material remains straight before entering the processing area, effectively preventing the material from tilting upwards in the middle due to resistance in the processing area.
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