An automatic flash correction system for injection molded parts based on machine vision and ultrasonic combined detection

By combining machine vision and ultrasonic testing with multimodal data fusion, we can achieve full-dimensional micron-level precision detection and automated correction of flash on injection molded parts. This solves the problems of missed detection and low correction accuracy in traditional testing, and improves production efficiency and product quality.

CN122143293BActive Publication Date: 2026-07-21成都泽雅科技发展有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
成都泽雅科技发展有限公司
Filing Date
2026-05-11
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing flash detection and correction systems for injection molded parts suffer from limitations such as single detection dimensions, high missed detection rate, inability of actuators to self-adjust, lack of closed-loop verification, poor module coordination, data incompatibility, difficulty in adapting to different specifications of injection molded parts, low overall level of automation and intelligence, and inability to meet the needs of high-precision production.

Method used

It adopts a combination of machine vision and ultrasonic testing, combined with multimodal data fusion, to achieve full-dimensional micron-level precision detection. It is equipped with multi-axis linkage contour correction and secondary re-inspection closed-loop management. Through the central control module, it coordinates scheduling and adaptively adjusts parameters to achieve full-process automation and intelligent management.

Benefits of technology

It significantly improves the precision of flash removal for injection molded parts and the product qualification rate, reduces workpiece damage, increases production efficiency, reduces maintenance costs, and enables continuous operation of the injection molding production line.

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Abstract

The application discloses an automatic correction system for sprue fins of injection molded parts based on combined detection of machine vision and ultrasonic waves, and relates to the technical field of intelligent manufacturing of injection molded part processing; the system comprises feeding positioning, combined detection, correction execution, re-inspection modules and a central control module which are sequentially connected; the feeding positioning module completes high-precision positioning of the injection molded parts; the combined detection module integrates machine vision and ultrasonic detection units, and synchronously realizes micron-level accurate detection of the surface parameters and internal extension conditions of the sprue fins; the correction execution module completes profile cutting of the sprue fins and collects scraps according to the detection data; the re-inspection module verifies the unqualified products again and standardizes the disposal of the unqualified products; and the central control module dynamically adjusts parameters through a self-adaptive control algorithm, records traceable data of the whole process and feeds back to the front-end injection molding machine; the system realizes automation and high-precision management and control of the detection and correction of the sprue fins, and improves the product qualification rate and production efficiency.
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