Pressing tool for motor rear end cover and bearing

By using a crimping fixture between the motor rear end cover and the bearing, the positioning sleeve and guide sleeve are used to accurately position and guide the shaft and the rear end cover, solving the problems of low quality and low efficiency in the crimping of the rear end cover and the bearing, and realizing a high-efficiency and accurate crimping process.

CN224555430UActive Publication Date: 2026-07-24JIANGYAN DELI MOTOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGYAN DELI MOTOR CO LTD
Filing Date
2025-07-22
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

In the current motor assembly process, the crimping quality between the rear end cover and the bearing is not high and the efficiency is low. Improper striking force can easily cause damage and misalignment of the contact surface, affecting the crimping quality.

Method used

A crimping fixture for the rear end cover of an electric motor and the bearing is adopted. The positioning sleeve and the guide sleeve are used to accurately position and guide the rotating shaft and the rear end cover. The crimping is achieved by driving the crimping sleeve through hydraulic or pneumatic equipment, thus avoiding unilateral force.

Benefits of technology

This improves the quality and efficiency of the crimping between the rear end cover and the bearing, ensures coaxial alignment, avoids damage to the contact surface, and enhances the accuracy and efficiency of the crimping process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224555430U_ABST
    Figure CN224555430U_ABST
Patent Text Reader

Abstract

A motor rear end cover and bearing crimping tool, which comprises a base (1), a positioning sleeve (4) is fixedly connected vertically on the base, the inner circle of the positioning sleeve is matched with the front end outer circle of a motor rotating shaft (6), a guide sleeve is sleeved on the positioning sleeve, the guide sleeve is cup-shaped, the inner hole of the lower cup leg (3) is matched with the outer circle of the positioning sleeve, the inner circle of the upper cup body (8) is matched with the stop opening (10) of the motor rear end cover (11), the cup body can accommodate the motor rotor, a spring (2) is arranged between the guide sleeve and the base, a pressure sleeve (13) which can move up and down is arranged above the guide sleeve, the pressure sleeve is driven by a hydraulic or pneumatic device. The beneficial effect is that when the stop opening of the rear end cover is placed on the cup opening of the guide sleeve, the rear end cover will not be skewed, and during the crimping process, the single-sided force phenomenon will not occur between the bearing chamber and the bearing, so the pressure equipment can be used for crimping operation, which can greatly improve the crimping efficiency and quality.
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