Screw press-fitting machine for propulsion motor production

By setting positioning grooves, grooves and limiting rods on the arc guide plate of the screw press, combined with the pressure plate and pressure sensor, the precise positioning and pressing of the motor case and front and rear end covers are achieved, solving the problem of end cover offset caused by the simple structure of the pressure installer in the prior art, and improving the precision and stability of pressing.

CN222655003UActive Publication Date: 2025-03-21DONGYANG BOWAN MOTOR CO LTD
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Patent Information

Application Number
CN202421198663.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-03-21
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The compressors in existing motor production have a simple structure and lack the positioning effect of the end cap, which may be offset during the pressing process, affecting the precise alignment between the screw holes on the motor case and the screw holes on the end cap, and thus affecting the installation quality.

Method used

A screw pressing machine is designed to accurately position and center the motor case and front and rear end cover by setting positioning grooves, grooves and limiting rods on the arc-shaped guide plate, ensuring accurate axial alignment of the motor case and front and rear end covers, and controlling the pressure mounting strength through the pressure plate and pressure sensor.

Benefits of technology

Through this design, the motor case and front and rear end covers can maintain precise alignment during the pressing process, improving the precision and stability of the pressing installation and ensuring high-quality installation of the motor.

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Abstract

The utility model discloses a screw press-fitting machine for propulsion motor production, which comprises an arc-shaped guide plate, a motor casing, a front end cover and a rear end cover, the motor casing and the front end cover and the rear end cover are arranged in the arc-shaped guide plate, and the outer ring surfaces of the motor casing and the front end cover and the rear end cover are contacted with the inner side surface of the arc-shaped guide plate. Positioning grooves are formed in the positions, right opposite to the fixing parts of the motor shell and the front and rear end covers, of the inner side face of the arc-shaped guide plate, the fixing parts of the motor shell and the front and rear end covers are slidably arranged in the positioning grooves, and pressing plates which are close inwards and extrude the front and rear end covers are arranged at the two ends of the arc-shaped guide plate. And strip-shaped openings through which the pressing plates move into the arc-shaped guide plates are formed in the bottom surfaces of the two ends of the arc-shaped guide plates. According to the utility model, the structure is simple, the motor shell, the front end cover and the rear end cover are positioned in a sliding manner so as to ensure the stability and accuracy in the press-fitting process, the press-fitting strength can be controlled through the pressure sensor, and the press-fitting precision is improved.
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