Motor stator core hot jacket tool

By designing a motor stator core heat fitting fixture with adjustable support claws and scale indicator needles, the problems of large coil heads and inconsistent models in low-voltage high-power motors were solved, achieving flexible adaptation and cost savings for the motor stator core.

CN224319202UActive Publication Date: 2026-06-02YANGZHOU SHUGUANG PHOTOELECTRICITY AUTOMATION CO LTD
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Patent Information

Application Number
CN202521191385.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-11
Publication Date
2026-06-02
Estimated Expiration
2035-06-11

AI Technical Summary

Technical Problem

Existing motor stator core heat fitting fixtures are difficult to adapt to the large coil heads of low-voltage, high-power motors, and cannot be used interchangeably with different motor models, resulting in high costs and inflexibility.

Method used

A heat-fitting fixture for motor stator cores, comprising a vertical support base and radially movable support claws, was designed. The position of the support claws can be adjusted by a drive mechanism to accommodate motor stator cores of different sizes, and quick matching can be achieved through a detachable support block and a scale indicator.

Benefits of technology

It enables flexible adaptation to stator cores of different motor models, reduces replacement costs, and improves production efficiency and applicability.

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Abstract

The utility model discloses a motor stator core shrinkage fit tool, and relates to the technical field of motor assembly tools. Comprising a supporting base which is vertically arranged upwards, a cylindrical chuck body is fixedly installed on the supporting base, a plurality of supporting claws which are vertically arranged upwards are arranged on the chuck body in the circumferential direction, the supporting claws can be supported on the chuck body in a radial movement mode, and a cylindrical iron core chuck is formed among the supporting claws and used for sleeving a stator iron core. A driving mechanism for driving the supporting claws to drive in the radial direction is installed in the chuck body. The bevel pinion rotates to drive the bevel gear wheel to rotate, the bevel gear wheel drives the sliding block to slide, the radial position of the supporting claw is adjusted, cylinders of different sizes are formed, and the technical problems that in the prior art, a coil wrapping head is large, and sleeving is not easy are solved.
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