COB packaging yield optical detection device and method thereof

By using a combination of a gravity piston-driven telescopic cylinder and a rotary rod in the COB package yield optical detection device, combined with a magnetic suction assembly and an elastic positioning head, adaptive positioning and automated detection of the to-detection part are achieved, and the problem of insufficient positioning accuracy and adaptability in the prior art is solved, and detection efficiency and accuracy are improved.

CN119650462AActive Publication Date: 2025-03-18JIANGXI RUIXIN TECH CO LTD
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Patent Information

Application Number
CN202411735894.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-03-18
Estimated Expiration
2044-11-29

AI Technical Summary

Technical Problem

The existing COB package yield optical detection devices have shortcomings in positioning accuracy and adaptability, and it is difficult to adapt to parts to be tested in different shapes and sizes, and the degree of automation is insufficient, which limits the efficiency and flexibility of the production line.

Method used

A COB package yield optical detection device is designed, using a combination of a telescopic cylinder and a rotary rod driven by a gravity piston, combined with a magnetic suction assembly and an elastic positioning head to realize adaptive positioning and automated detection of the part to be detected.

Benefits of technology

It improves the degree of automation of the inspection process, reduces dependence on external power equipment, enhances the flexibility and adaptability of positioning components, and improves the detection efficiency and accuracy.

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Abstract

The invention discloses a COB packaging yield optical detection device and method, and relates to the technical field of COB detection, the COB packaging yield optical detection device comprises an optical detector, a feeding manipulator and a movable self-positioning assembly, and the self-positioning assembly is used for positioning a to-be-detected piece; wherein the self-positioning assembly comprises a base plate, four base barrels distributed in a rectangular shape are fixed to the base plate, rotating rods are rotationally arranged in the base barrels, a positioning assembly is installed at one end of each rotating rod, a telescopic cylinder is hinged to the other end of each rotating rod, the telescopic cylinders are further hinged to the base plate, and a first sealing barrel is embedded in the middle of the base plate; the bottom of the first sealing barrel is communicated with the telescopic cylinder through a pipeline, a gravity piston is arranged in the first sealing barrel in a sealed and sliding mode, gas is filled between the first sealing barrel and the bottom of the gravity piston, the whole process is high in automation degree, and telescopic power of the telescopic cylinder comes from the gravity of the gravity piston, so that the telescopic cylinder is high in automation degree. And the dependence degree on external power equipment is low.
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