A device for detecting appearance defects of a precision injection molded part

By combining an appearance inspection frame, a fixed frame, a prism frame, a reflecting prism, a spectral enhancement industrial camera, and a photon counting sensor, the problem of insufficient detection accuracy in precision injection molded parts appearance defect detection devices has been solved, achieving efficient and accurate identification and detection of minute defects.

CN224383142UActive Publication Date: 2026-06-19HAORUN PRECISION MOULD (JIANGSU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HAORUN PRECISION MOULD (JIANGSU) CO LTD
Filing Date
2025-05-08
Publication Date
2026-06-19

AI Technical Summary

⚠Technical Problem

Existing precision injection molded parts appearance defect detection devices lack sufficient detection accuracy, making it difficult to distinguish small defects, resulting in a high re-inspection rate, which affects detection efficiency and overall detection time.

⚗Method used

It employs a combination of appearance inspection frame, fixture, prism frame, reflecting prism, spectral enhancement industrial camera, photon counting sensor and exposure lamp, and achieves high-precision inspection through optical imaging and image processing technology to automatically identify minute defects.

🎯Benefits of technology

It improves the accuracy and efficiency of testing, reduces the re-inspection rate, and ensures the precision of precision injection molded parts and the speed of testing.

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Abstract

The utility model relates to the field of precision injection molding parts, concretely relates to a precision injection molding part appearance defect detection device, including detection stage, the main part for precision injection molding part detection, drive display controller, the outside fixed setting in detection stage is used for detecting data observation, and the top fixed mounting of detection stage has appearance detection frame. The utility model is provided with appearance detection frame, fixing frame, prism frame, reflecting prism, spectral enhancement industry camera, photon counting sensor and exposure lamp, when using the precision injection molding part appearance defect detection device, can first let exposure lamp expose the workpiece below, when the appearance of precision injection molding part appears tiny defect, the halo of defect place is synchronously reflected by prism frame and reflecting prism before and after precision injection molding part, the photon counting sensor on the both sides of spectral enhancement industry camera receives and captures the halo, and passes data to drive display controller.
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