Anti-extrusion cord fabric cut-off knife device

By abolishing the blade structure and using the coordination of the limit plate and the top cylinder, the problem of extrusion easily occurs during the pen cutting process is solved, and a more stable and efficient cutting effect is achieved.

CN119640574AActive Publication Date: 2025-03-18QINGDAO HANRY MECHANICAL & ELECTRICAL ENG CO LTD
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Patent Information

Application Number
CN202411880937.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-03-18
Estimated Expiration
2044-12-19

AI Technical Summary

Technical Problem

During the cutting process, the existing cord cutting tool device is prone to extrusion due to the height difference between the blade plate and the conveyor belt, which affects the cutting accuracy and finished product quality.

Method used

An anti-extrusion cord cutting device was designed, and the blade plate structure was eliminated. The coupling of the limiting plate and the top cylinder was used to fix the cord in the cutting position to avoid the pen being squeezed and pulled out during the cutting process.

Benefits of technology

It effectively avoids the extrusion phenomenon of the cord during the cutting process, improves the stability of equipment operation and the overall quality of cutting operations, and ensures the accuracy and flatness of the finished product.

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Abstract

The invention provides an anti-extrusion curtain cloth cutter device. The anti-extrusion curtain cloth cutter device comprises a cutter, a limiting plate air cylinder, a limiting plate, an ejector block air cylinder and an ejector block. Wherein the cutter comprises a first cutter and a second cutter; the two limiting plate air cylinders are located on the two sides of the cutter. The two limiting plates are connected with the limiting plate cylinder; the ejector block air cylinder is located under the cutter. The top of the ejector block is provided with a cutting through groove. In an initial state, the cutter is in a combined state, and the limiting plates on the two sides are flush with a cutter point at the bottom of the cutter; when the curtain cloth is cut, the ejector block air cylinder drives the ejector block to move upwards, the curtain cloth is extruded and fixed, then the limiting plate is pushed upwards, the limiting plate retracts, the cutter moves downwards relative to the limiting plate, and the curtain cloth is punctured into the cutting through groove. The driving structure drives the first cutter and the second cutter to move in the direction away from each other to cut the curtain cloth. According to the cut-off knife device, the technical problem that in the prior art, due to the existence of a knife board, the cord fabric is prone to being squeezed can be solved, and the running stability of equipment is improved.
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