Simple locking and opening mechanism of injection mold

By designing guide seats and locking rods, the opening and closing of injection mold templates can be easily locked, solving the problem of controlling the opening and closing sequence of templates, reducing costs and space occupation, and improving the quality of injection molding.

CN224391827UActive Publication Date: 2026-06-23KUNSHAN CHANGJIE PRECISION MOLD IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN CHANGJIE PRECISION MOLD IND CO LTD
Filing Date
2025-07-28
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing injection molds lack dedicated locking and opening mechanisms, making it difficult to control the opening and closing sequence of the mold plates. Additional drive components are costly and take up a lot of space.

Method used

A simple locking and opening mechanism for injection molds was designed. Through the cooperation of guide seat and locking rod, the parallel pin sliding connection and guidance of the template are realized, the opening and closing sequence of the template is controlled, and the locking and unlocking are realized by the cooperation of C-shaped groove and J-shaped groove.

Benefits of technology

It effectively controls the opening and closing sequence of the template, improves the quality of injection molding, has a simple and reliable structure, and occupies little space.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is specifically related to a simple and easy locking opening and closing mechanism of injection mold, including male die plate, first female die plate and second female die plate, the male die plate is fixedly connected with first bolt, the first female die plate is fixedly connected with guide seat, be equipped with first sliding slot and second sliding slot on the guide seat, be equipped with guide groove between first sliding slot and second sliding slot on the guide seat, the guide groove is slidably connected with locking lever, the second female die plate is fixedly connected with second bolt, the first bolt lower extreme is equipped with J shape groove, be equipped with locking hole on the second bolt, the utility model has the advantages and beneficial effects as follows: can control injection mold multiple die plate's opening and closing sequence and improve product injection molding processing quality, and the overall structure is simple and reliable, and occupies less space.
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