A bag opening mechanism

The bag-opening mechanism, driven by a motor and controlled by a rack and pinion mechanism and a guide rail, solves the problems of low efficiency and unstable bag opening in traditional bag-opening operations, and achieves stable opening and efficient filling of high-speed packaging.

CN224277794UActive Publication Date: 2026-05-26ANXI BAIFU MACHINERY CO LTD
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Patent Information

Application Number
CN202520946714.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-14
Publication Date
2026-05-26
Estimated Expiration
2035-05-14

AI Technical Summary

Technical Problem

Traditional bag-opening operations rely on manual labor, which is inefficient and results in inconsistent bag opening, making it difficult to meet the demands of high-speed packaging.

Method used

The packaging bag opening mechanism includes a packaging frame, support claws, control components, and displacement components. The opening of the support claws is controlled by a motor-driven rack and pinion mechanism and offset components. Combined with guide rails and guide wheels, it ensures precise displacement and adapts to packaging bags of different heights.

Benefits of technology

It enables rapid and stable opening of the packaging bag opening, adapts to high-speed packaging, improves filling efficiency, avoids bag opening deformation and adsorption failure, and is suitable for packaging bags of different heights.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a bag-opening mechanism for packaging machines, relating to the field of bag-opening structure technology. The bag-opening mechanism includes a packaging frame, supporting claws, a control component, a mounting frame, and a displacement component. The packaging frame has open openings on both sides. Two supporting claws are rotatably mounted at the open openings. The displacement component is linked to the supporting claws, controlling the claws to open outwards. The packaging frame and control component are mounted on the mounting frame, and the mounting frame's displacement is controlled by the displacement component. This utility model uses a first motor to drive a gear and rack mechanism, causing the offset component to move laterally. By utilizing the cooperation between the control wheel and the open slot, the opening angle of the supporting claws is precisely controlled, ensuring that the bag opening opens quickly and stably, avoiding the bag opening deformation or suction failure problems caused by traditional mechanical grippers or suction cups.
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