Circular knitting machine cloth cover defect online detection device and detection method based on main / auxiliary double camera shooting mode

By installing a camera and an edge computing platform on the linkage rod of the round-weather rolling frame, combining industrial cameras and backlights, and using the YOLOv5 model for real-time detection and classification, the missing detection and hysteresis problems in the online detection of defects on the round-weather surface is solved, and efficient and accurate defect detection is achieved.

CN119643575APending Publication Date: 2025-03-18XI'AN POLYTECHNIC UNIVERSITY
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Patent Information

Application Number
CN202411967124.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

In the prior art, there are problems of missing detection and hysteresis in online detection of defects on the surface of round weft machines, especially the problems of missing detection caused by the shackle linkage rod blocking are difficult to solve.

Method used

Using a detection device based on the main/submarine dual camera method, a camera and an edge computing platform are installed on the rolling frame linkage linkage, combined with an industrial camera and a backlight, the cloth image of the obstructed part is collected and detected, and the YOLOv5 model is used for real-time detection and classification, to determine the type of defects and decide whether to shut down.

Benefits of technology

It realizes comprehensive, accurate and fast online detection of defects on the surface of the round weft machine, avoids missed inspection problems, and improves the timeliness and accuracy of the inspection through real-time detection and classification functions.

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Abstract

The invention discloses a circular knitting machine cloth cover defect online detection device based on a main / auxiliary double-camera mode, which comprises a machine table, an industrial personal computer is arranged in one machine leg of the machine table, a system console is arranged at the upper part of the machine leg, an industrial camera module is arranged at the upward position of the inner side of the machine leg, and a rotatable cloth rolling frame is fixed on the machine table; the cloth rolling frame is connected to the circular needle cylinder on the upper portion through two cloth rolling frame linkage rods, a hanging rod is arranged in the center of the top of the machine table, a backlight lamp is installed below the hanging rod, cameras and edge computing platforms which are connected with each other are installed on the cloth rolling frame linkage rods on the left side and the right side, and an annular cloth supporting ring is installed on the lower side of the top of the machine table. The invention further discloses a detection method of the circular knitting machine cloth cover defect online detection device based on the main / auxiliary double camera shooting mode. According to the invention, the problems of missing detection and lagging in online detection of cloth surface defects of a circular weft knitting machine in the prior art are solved.
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