Injection molding machine with ejection rod linkage flash separation mechanism

By introducing the linkage of the rotary cutting component and the cooling component into the injection molding machine, combined with photosensitive safety protection, the complex problem of separating the residual material from the moving mold and the fixed mold in the injection molding machine is solved, realizing automated, safe and efficient residual material handling.

CN122401747APending Publication Date: 2026-07-17FOSHAN XINRUIJI PLASTIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
FOSHAN XINRUIJI PLASTIC TECH CO LTD
Filing Date
2026-06-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing injection molding machines have a cumbersome process for separating excess material from the moving mold and the fixed mold. In particular, cleaning the excess material on the moving mold requires manual operation, and the excess material is integrated with the plastic product preform, which makes the process complicated.

Method used

It adopts a residual material separation mechanism with top ejector rod, combined with a rotary cutting component and a cooling component. The residual material is automatically separated and cooled and shaped by a rotary cutting blade holder and a negative pressure hood. A photosensitive safety protection mechanism is used to ensure safety and efficiency.

Benefits of technology

It achieves automated linkage separation of residual material on the moving mold and the fixed mold, reduces manual intervention, improves separation efficiency, simplifies the process, ensures safety and stability, and reduces operating costs.

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Abstract

本发明公开了一种带顶出杆联动余料分离机构的注塑成型机,涉及注塑成型机技术领域,包括固定在机架上并由机罩罩设防护的定模和动模,且位移组件通过滑动在机罩内的安全门,对定模和动模工作区提供安全防护机制,由防护罩处的旋切组件通过旋切刀架,对定模和动模上残留的余料,施加旋切刮除措施,且负压罩处的冷却组件通过喷射嘴,对定模上成型胚件的旋切端,施加制冷定型措施。本发明采用四向旋切方式,对定模上注塑成型后,与塑料制品胚件一体延伸的多余物料,实现全面且有力的余料切除效果,并同步采用四向刮除方式,对残留动模上的余料联动清理,取代人工清理操作,并节省后续处理工序,方便快捷。
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