A plastic packaging bag filling device

CN224690612UActive Publication Date: 2026-08-28ZHEJIANG BAOLU PACKAGING TECH CO LTD
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Patent Information

Application Number
CN202522315578.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-31
Publication Date
2026-08-28
Estimated Expiration
2035-10-31

AI Technical Summary

Technical Problem

[0002]目前锥形塑料包装袋罐装后需在袋口热封,由于袋体上部预留有较大空间作为灌装通道,袋口距离实际物料区域较远,导致袋口部分薄膜处于无支撑状态,在转移和封口过程中,该无料段极易出现晃动、歪斜或层间滑移,导致封口出现褶皱、虚封或漏封;传统刚性夹爪仅能在单一高度施加集中压力,既无法同步约束中部收缩,又易压伤薄膜,调试耗时

Benefits of technology

[0009]本实用新型相比现有技术突出且有益的技术效果是:本发明通过同一组直线气缸驱动夹板与弹性压片联动,一次性同步完成锥形包装袋中部收缩限位和袋口层间贴合压紧,显著提升了袋口对位精度,弹性压片的圆弧外扩端部均匀分散压力,避免薄膜压痕或拉伸损伤,竖板螺栓安装孔与夹板上下方向腰型孔配合,使弹性压片高度可调,提高适应性,整体结构紧凑,无需额外动力实现多点夹持,提高稳定性,保证后续封口质量。

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    Figure CN224690612U_ABST
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Abstract

The utility model discloses a kind of material clamping devices for plastic packaging bag canning, including base, one block of vertical plate is respectively arranged at the both sides of base, the top of vertical plate is equipped with support plate, the support plate is equipped with linear cylinder, two linear cylinders are oppositely arranged and cylinder body is fixed, the piston rod of linear cylinder is connected with clamping plate, the clamping plate of two sides is used to cooperate and clamps the lower area of bag mouth of packaging bag, every described clamping plate is connected with elastic tablet, the elastic tablet of two sides is used to cooperate and compresses the bag mouth area of packaging bag, the elastic tablet includes vertical plate, horizontal plate, the vertical plate is attached to the outer side of clamping plate, the top end of vertical plate is connected with the one end of horizontal plate, the other end of horizontal plate is then inclined and curved to form the inclined tablet part of tablet part, the vertical plate, horizontal plate and tablet part are integrally formed, and the present application is driven by the same group linear cylinder to drive clamping plate and elastic tablet linkage, and the middle shrinkage limit of conical packaging bag and bag mouth interlayer are synchronously completed once.
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