Magnetizing device for a fluorescent magnetic particle inspection apparatus

By adjusting the spacing of the magnetizing coils using a chain conveyor and adjustment mechanism, the problem of existing equipment being unable to adapt to fasteners of different specifications is solved, thereby improving magnetic field uniformity and detection efficiency.

CN224341478UActive Publication Date: 2026-06-09HUNAN FEIWO NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUNAN FEIWO NEW ENERGY TECH CO LTD
Filing Date
2025-07-08
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The magnetization device of existing fluorescent magnetic particle testing equipment is difficult to adjust the spacing of the magnetization coils quickly according to the specifications of the fasteners, resulting in uneven magnetic fields and affecting the defect detection rate.

Method used

A chain conveyor and adjustment mechanism are adopted. The support frame is moved by a linear reciprocating actuator to adjust the spacing of the magnetizing coils, ensuring that the magnetic field matches the geometry of the workpiece and achieving uniform magnetic field distribution.

Benefits of technology

It improves the versatility and testing efficiency of the equipment, adapts to the testing of fasteners of different sizes, eliminates the need to replace equipment, reduces manual intervention, and improves testing accuracy and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application belongs to the technical field of fastener quality inspection, and particularly relates to a magnetizing device of a fluorescent magnetic particle flaw detection equipment, which comprises a rack, a chain conveying mechanism, two magnetizing coils and two adjusting mechanisms; the rack is provided with a mounting groove in the middle and a plurality of accommodating grooves on both sides of the mounting groove; the chain conveying mechanism comprises a chain conveyor arranged in the mounting groove and a plurality of positioning frames arranged on the chain conveyor and driven by the chain conveyor, and the positioning frames are used for supporting and positioning fasteners; the two magnetizing coils are arranged in the mounting groove respectively. The magnetizing device can quickly adjust the distance between the coils through the adjusting mechanisms, can be suitable for fasteners of different sizes, does not need to replace the equipment, significantly improves the universality of the equipment, and the chain conveying mechanism and the adjusting mechanisms work cooperatively to realize the continuous conveying and magnetization of the workpieces, reduce manual intervention, and improve the detection efficiency.
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