A packaging box trimming device

By designing a packaging box edge cutting device including positioning components, knife back plate, press plate and lifting mechanism, the problem of inconsistent cutting size caused by untidy and unzipped cardboard in the prior art is solved, and the cutting size of multiple cardboards is maintained consistently and the cutting accuracy is improved.

CN222698014UActive Publication Date: 2025-04-01ZHEJIANG CHUANGMEI PACKAGING PRINTING CO LTD
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Patent Information

Application Number
CN202421366722.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-04-01
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

When the existing packaging box edge cutting device stacks multiple cardboards for cutting, the cutting size is inconsistent due to the irregularity of the cardboard and the unzipped pressure, which affects the processing efficiency and accuracy.

Method used

An edge cutting device is designed including a machining table, a load table, a positioning assembly, a knife back plate, a press plate and a lifting mechanism. The cardboard is positioned by the positioning assembly, and the lifting mechanism drives the knife back plate to lower, and the pressure plate contacts the cardboard before the blade, applying elastic pressure to ensure that the cardboard is close to the cardboard.

Benefits of technology

The cutting sizes of multiple cardboards are achieved consistently, which improves cutting accuracy and efficiency, and avoids inconsistent cutting problems caused by cardboard gaps.

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Abstract

The utility model discloses a trimming device for a packaging box, which belongs to the field of packaging box processing, and comprises a processing table, a carrier arranged on the processing table, and a positioning component arranged on the carrier; a knife back plate is arranged above the carrier, and a blade for cutting a cardboard is arranged at the lower end of the knife back plate; a pressing plate is also arranged at the lower end of the knife back plate, the pressing plate is located at the inner side of the blade profile, and the pressing plate is elastically connected to the knife back plate; the trimming device also comprises a lifting mechanism for driving the knife back plate to move longitudinally; when the knife back plate descends, the pressing plate contacts the cardboard before the blade, and because the pressing plate and the knife back plate are elastically connected, the pressing plate elastically presses above the cardboard, and can apply a certain pressure to a plurality of stacked cardboards, ensuring that the plurality of cardboards are closely attached, so that after the blade descends and cuts into the plurality of cardboards, the cutting sizes of the plurality of cardboards are ensured to be consistent, and it is avoided that there are gaps between the cardboards to affect the cutting accuracy and cutting effect of the plurality of cardboards.
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