Fine turning machine for outer circle end face of rotor commutator

By designing a precision turning machine for the outer cylindrical end face of the rotor commutator, and utilizing rotor positioning and drive components and fitting structures, the runout problem in rotor machining was solved, achieving higher precision and improved motor life.

CN224058729UActive Publication Date: 2026-03-31SHENZHEN HUAYAO INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202520616932.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-31
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

In existing rotor commutator lathes, the rotor is prone to jumping during machining, resulting in poor machining accuracy and affecting the service life of the motor.

Method used

A precision turning machine for the outer cylindrical end face of a rotor commutator was designed. It employs a rotor positioning assembly, a rotor driving assembly, and a cutting tool feed assembly. The engagement of the first V-seat and the second V-seat with the V-shaped base prevents the rotor from jumping during rotation. Wear-resistant blocks and drive belts are used to ensure smooth rotor rotation. At the same time, an adjustable cutting tool assembly is used for precision turning operations.

Benefits of technology

It effectively avoids rotor jumping during precision machining, improves machining accuracy, and increases motor lifespan and machining efficiency.

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Abstract

The utility model relates to the technical field of automation equipment, in particular to a rotor commutator outer circle end face finish turning machine which comprises a machine table, a rotor positioning assembly, a rotor driving assembly and a turning tool feeding assembly are arranged on the table top of the machine table, and the rotor driving assembly and the turning tool feeding assembly are located on the two sides of the rotor positioning assembly respectively. The rotor positioning assembly is used for erecting a rotor, the rotor driving assembly is used for driving the rotor to rotate on the rotor positioning assembly, and the turning tool feeding assembly is used for extending a turning tool out of the rotating rotor for finish turning operation. Compared with the prior art, the rotor commutator excircle end face finish turning machine has the advantages that the first V-shaped seat and the second V-shaped seat are embedded with the V-shaped inclined surface of the V-shaped base, so that a rotor can be effectively prevented from jumping in the rotating process, the rotor is ensured to stably rotate in the finish turning process, the finish turning machining precision is improved, and the service life of a motor is favorably prolonged.
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