PCBA (Printed Circuit Board Assembly) fixing jig for automatic dispensing machine

By adopting a pin and socket positioning structure, a six-screw clamping mechanism, and a transparent observation window design in the automatic dispensing machine fixture, the problems of unstable fixture fixation, misoperation, and inconvenient observation are solved, thereby improving the stability and efficiency of the dispensing process.

CN224271938UActive Publication Date: 2026-05-26DALIAN YOUOPTO TECH CO LTD
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Patent Information

Application Number
CN202521245869.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-18
Publication Date
2026-05-26
Estimated Expiration
2035-06-18

AI Technical Summary

Technical Problem

Traditional automatic dispensing machine fixtures suffer from problems such as unstable fixing, lack of error-proof design, inconvenient observation, and insufficient adaptability, resulting in PCBA displacement, high component damage rate, and low production efficiency.

Method used

It adopts a positioning structure with a combination of pins and holes, combined with six screws for clamping, uses aluminum alloy material and undergoes sandblasting and oxidation treatment, and features a transparent observation window to achieve foolproof function and lightweight design.

Benefits of technology

It improves the clamping stability of PCBA, reduces the risk of misoperation, supports real-time monitoring of the dispensing process, and improves the dispensing pass rate and production efficiency.

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Abstract

The utility model belongs to the technical field of electronic manufacturing jigs, and particularly relates to a PCBA (Printed Circuit Board Assembly) fixing jig for an automatic dispensing machine, which is characterized by comprising an upper cover and a base, and the upper cover and the base are matched and positioned through a bolt and a jack and are connected through a screw; the upper cover comprises a hollow plate frame and positioning rib plates, a plurality of positioning rib plates are arranged on the hollow plate frame, a plurality of positioning grooves are formed in the lower edges of the positioning rib plates, and a plurality of transparent windows are formed between the adjacent positioning rib plates and the hollow plate frame; a PCBA board mounting area, an optical fiber reservation area and a positioning area are arranged on the base, after assembly, the PCBA board mounting area and the optical fiber reservation area are located below the transparent window, and the positioning area is located below the positioning groove; the plug pin is a cylindrical pin body, the lower end of the plug pin is provided with a one-way oblique angle, and the bottom of the corresponding inserting hole is provided with a corresponding matched oblique plane, so that the displacement amount of the PCBA is reduced to be within + / -0.05 mm, and the adhesive dispensing qualification rate is increased to 99.5%.
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