Stretching device for hardened film production

By using a combination of rectangular ring, electric telescopic rod, limiting groove, movable block and spring in the stretching device for film production, the problem that the film is prone to break away from the clamping device during the stretching process is solved, and the stability and quality of the film stretching are improved.

CN222628598UActive Publication Date: 2025-03-18DONGGUAN HUAHUI NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202420434364.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2025-03-18
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

During the film production process, the film is prone to break away from the clamping device during the stretching process, resulting in unstable stretching work and affecting the processing quality of the film.

Method used

A stretching device for hardened film production is designed. Through the combination of rectangular ring, electric telescopic rod, limiting groove, movable block and spring, the film can be clamped after thinning, thereby improving tensile stability. The stretching length of the film is adjusted through the settings of rectangular ring, scale, second motor and adjustment block to prevent the film from being pulled off.

Benefits of technology

It effectively improves the stability and quality of film stretching, prevents the film from falling out of the clamping device, and ensures uniform stretching and efficient processing of the film.

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Abstract

The utility model discloses a stretching device for hardened film production, which comprises a box body, the front side wall of the box body is movably connected with a box door, the two side walls of the box body are provided with rectangular openings, the inner walls of the top and the bottom of the box body are fixedly connected with two pairs of hydraulic cylinders, the output shaft of each pair of hydraulic cylinders is fixedly connected with a support, and the output shaft of each pair of hydraulic cylinders is fixedly connected with the support. A first motor is fixedly connected to the rear side wall of the support, an output shaft of the first motor penetrates through the side wall of the support and is movably connected to the inner wall of the other side of the support, a rotating roller is fixedly connected to the output shaft of the first motor, and a first rubber pad is fixedly connected to the outer wall of the rotating roller; anti-skid grains are formed in the outer wall of the first rubber pad, positioning bins are fixedly connected to the inner walls of the top and the bottom of the box body, second motors are fixedly connected to the inner walls of the positioning bins, and through the structure, the film stretching stability is improved, and the film is prevented from being snapped.
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