A slitting device for luggage processing material

By using a dual-blade alternating cutting system and a cooling fan design, the problem of heat accumulation during single-blade cutting of thermoformed rolls is solved, achieving a highly efficient and stable cutting process, avoiding melting and burr defects, and improving production efficiency.

CN122253422APending Publication Date: 2026-06-23QINGYUAN LUGGAGE TECHNOLOGY (WENZHOU) CO LTD
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Patent Information

Application Number
CN202610704445.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-21
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

In existing technologies, when cutting thermoformed rolls with a single blade, the continuous friction between the blade and the sheet generates heat, causing the blade temperature to exceed the material's softening point, resulting in cutting defects such as localized melting, molten metal, and burrs. Furthermore, frequent machine shutdowns are required for cleaning, reducing production efficiency.

Method used

The system employs a dual-blade alternating cutting system, combined with a servo motor drive and cooling fan design. By alternating the motion, it reduces the contact time between the blade and the roll material, and utilizes directional cooling airflow to lower the temperature, ensuring cutting efficiency and quality.

Benefits of technology

It effectively avoids cutting defects, improves production efficiency and equipment stability, reduces downtime maintenance frequency, and ensures a smooth and efficient cutting process.

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Abstract

This invention discloses a slitting device for bag processing materials, belonging to the field of cutting technology. The device includes a cutting bracket, a roll material bracket, a cutting blade bracket, a first bracket, a flattening roller, a conveying assembly, a cutting blade holder, a T-shaped fixed mounting plate, a sliding mounting plate, a second cutting blade, a first cutting blade, and a driving assembly. A second servo motor drives the transmission rods to rotate, and the transmission of the first and second meshing gears enables the two transmission rods to rotate in opposite directions. A cam pushes the sliding mounting plate to drive the double blades to alternately extend and retract, reducing the continuous contact time between a single blade and the roll material, lowering the blade temperature to avoid local melting of the material, and preventing the blade from adhering to molten material, thereby reducing defects such as burrs, rough edges, and weld beads during the cutting process. The linkage assembly, through the cooperation of a sliding rail and a second sliding block, drives the other sliding mounting plate to move upward when one side of the sliding mounting plate moves downward, ensuring the synchronicity and smoothness of the alternating action of the double blades and improving cutting efficiency.
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Citation Information

Patent Citations

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  • Stainless steel rolled plate slitting device for building decoration

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  • Cutting device for coiled material plastic vacuum forming machine

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  • Alternating type picking device

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