A continuous roll packaging bag thread sealing pre-opening device

CN224490297UActive Publication Date: 2026-07-14GUANGZHOU SHENGHUOLING NEW MATERIALS CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: GUANGZHOU SHENGHUOLING NEW MATERIALS CO LTD
Filing Date: 2025-06-19
Publication Date: 2026-07-14

AI Technical Summary

Technical Problem

Existing pre-opening devices are not convenient for reciprocating and squeezing the packaging bag to facilitate the opening of the hot-stitched seams of the packaging bag, and are not conducive to tensioning the packaging bag to keep it smooth, which affects the convenience and quality of opening the packaging bag.

Method used

It employs components such as a support platform, drive motor, servo motor, cylinder, and stepper motor. The drive pulley assembly drives the swing frame and swing rod to realize the reciprocating movement of the extrusion roller and the rotation of the rubbing roller. Together with the tension roller and limit roller, it ensures that the packaging bag remains taut and centered during the opening process.

Benefits of technology

It enables continuous sequential opening of packaging bags, improving the convenience and quality of opening and ensuring that the packaging bags remain smooth and accurate during the opening process.

✦ Generated by Eureka AI based on patent content.

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Figure CN224490297U_ABST

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Abstract

The utility model discloses a kind of continuous roll packaging bag ironing pre-opening device, including support platform and first support frame, the top of the support platform is provided with first support frame, the top of the support platform in first support frame side is provided with auxiliary roller, the top of the support platform in auxiliary roller side is provided with second support frame, the top of the support platform in second support frame side is provided with third support frame, the inner wall of third support frame is symmetrically provided with integrated plate, the sidewall of integrated plate is all provided with driving motor, the output of driving motor is provided with pulley assembly. The utility model not only realizes reciprocating movement extrusion packaging bag to facilitate the ironing of wringing packaging bag and the tensioning of packaging bag to keep packaging bag smooth, facilitate the continuous type of packaging bag in turn opening and the packaging bag limiting in order, and improve the convenience and opening quality of packaging bag opening.

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