Cutting device for polyurethane film

By introducing a quick-release structure and a hydraulic cylinder spring fixing system into the polyurethane film cutting device, the problem of difficult blade disassembly is solved, enabling rapid blade replacement and efficient fixation of the polyurethane film, thereby improving cutting quality and efficiency.

CN224527329UActive Publication Date: 2026-07-21JIAXING NANXIONG POLYMER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIAXING NANXIONG POLYMER
Filing Date
2025-07-07
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

In existing polyurethane film production cutting devices, the cutting blade is fixedly connected to the support plate, making disassembly difficult, affecting the replacement of the cutting blade, and resulting in low cutting efficiency, which affects the quality of the polyurethane film.

Method used

A quick-release structure was designed, comprising a sliding column, a moving plate, a sliding rod, a shift fork, a first spring, and a locking post. The shift fork drives the sliding rod to move, compressing the spring and causing the moving plate to disengage from the locking hole, facilitating the replacement of the cutting blade. The structure also uses a hydraulic cylinder and a spring to fix and cut the polyurethane film.

Benefits of technology

This technology enables rapid replacement of polyurethane film cutting blades, improving cutting efficiency and quality, and ensuring the neatness and stability of the polyurethane film.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of cutting devices for polyurethane film, including workbench, the upper surface of workbench is equipped with cutting port, the upper surface of workbench is fixedly connected with gantry, the side of gantry far away is all equipped with moving groove, each the moving groove is all fixedly connected with first sliding column, two the first sliding column is commonly slidably connected with support plate. The utility model, by setting sliding column, moving plate, sliding rod, shift fork, first spring and clamping post etc., when polyurethane film cutting knife is seriously worn, shift fork can be shifted, make shift fork drive sliding rod to move, sliding rod drives moving plate to slide on corresponding two second sliding columns, and corresponding first spring is compressed, so that moving plate drives clamping post to separate from corresponding clamping hole, then take out connecting column, and it is convenient for staff to replace seriously worn polyurethane film cutting knife.
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