A stripper mechanism for an injection molding machine

By introducing a scraper and spring adjustment assembly into the unloading mechanism of the injection molding machine, the problem of debris and impurities accumulating on the guide roller surface is solved, achieving efficient unloading cleaning and equipment maintenance, and improving unloading efficiency and equipment cleanliness.

CN224360557UActive Publication Date: 2026-06-16CHANGZHOU SHENGXIONG PLASTIC MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU SHENGXIONG PLASTIC MASCH CO LTD
Filing Date
2025-06-04
Publication Date
2026-06-16

AI Technical Summary

⚠Technical Problem

The existing unloading structure of injection molding machines lacks a cleaning structure, which causes debris and impurities to accumulate on the surface or in the gaps of the guide rollers, resulting in the guide rollers getting stuck and affecting the material unloading efficiency.

⚗Method used

Design an injection molding machine unloading mechanism, including an unloading frame, guide rollers, fixed slots, cooling seat, scraper blade, spring adjustment assembly, and reset assembly. The scraper blade scrapes away debris and impurities from the surface of the guide rollers, the spring adjustment assembly adjusts the pressure, the reset assembly ensures the scraper blade automatically returns to its original position, and a collection box collects the debris.

🎯Benefits of technology

Effectively cleans debris and impurities from the surface of the guide rollers, preventing accumulation that could cause rotational jamming, improving unloading efficiency, keeping the equipment clean, and reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224360557U_ABST
    Figure CN224360557U_ABST
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Abstract

The utility model discloses a kind of unloading mechanism of injection molding machine, including unloading frame, guide roller, fixed clamping groove and cooling seat, the guide roller is movably connected in the both sides of the inner wall of unloading frame by bearing, the fixed clamping groove is set in the both sides of unloading frame, the cooling seat is fixedly installed in the inner wall of fixed clamping groove, the left side of the top of guide roller is provided with mounting frame. The utility model is by setting mounting frame, scraper plate, spring adjusting component and reset component, can pull scraper plate to move to right side, make scraper plate directly adhere to guide roller surface, when guide roller rotates, scraper plate can scrape the adhered chippings and impurities in time, to facilitate the cleaning of guide roller surface, solve the problem that due to lack of cleaning structure, chippings and impurities will be generated during injection molding process and remain, when unloading material, chippings and impurities will adhere to guide roller surface or gap and cause accumulation, can cause guide roller to appear rotating jam, thereby affect the unloading efficiency of material.
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