Primary iron core structure of linear motor

A primary iron core and linear motor technology, applied in the direction of magnetic circuit shape/style/structure, electrical components, electromechanical devices, etc., can solve the problems affecting the performance of the motor, low mechanical strength of single-piece assembled linear motors, and cumulative errors. Achieve the effects of high manufacturing efficiency, easy automatic winding, and high slot fill rate
CN113162257APending Publication Date: 2021-07-23BEIJING JINGDIAO GRP CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING JINGDIAO GRP CO LTD
Publication Date
2021-07-23

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Abstract

The invention belongs to the field of linear motors, and particularly relates to a primary iron core structure of a linear motor, which comprises a primary yoke and primary teeth, wherein the primary teeth are composed of a plurality of fixed teeth and nested teeth, and the fixed teeth are uniformly arranged on the primary yoke and fixedly connected with the primary yoke into a whole; and the nested teeth are respectively arranged between the two fixed teeth and are in nesting fit with the primary yoke through the clamping grooves. During winding, the fixed teeth are separated from the nested teeth, a large tooth groove space can be obtained, winding is not hindered, the groove fullness rate is high, heating is small, automatic winding is easy to achieve, the manufacturing efficiency is high, and the cost is low. In addition, the fixed teeth are of an integrated structure, the nested teeth can also be integrally formed, the mechanical strength is high, accumulated errors do not exist during combination, and the precision is easy to guarantee.
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Description

technical field

[0001] The invention belongs to the field of linear motors, in particular to a primary iron core structure of a linear motor. Background technique

[0002] Linear motors can directly convert electrical energy into linear motion mechanical energy without an intermediate transmission mechanism, and have the advantages of high positioning accuracy, good dynamic performance, fast speed response, and high transmission efficiency. Existing linear motors can be divided into one-piece linear motors and block-type linear motors according to the structure of the primary iron core. The integrated linear motor means that the primary iron core is a complete whole, and the winding is put into the iron core by using embedded wire technology. The strength of the iron core is good, but the slot fullness rate is low, the heat generation is high, and it is difficult to realize automatic mechanical winding, the manufacturing cost is high, and the manufacturing efficiency is low...

Claims

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