Device for twisting end of stator of flat wire motor

Abstract

The invention discloses a device for twisting the end of a stator of a flat wire motor. The device comprises an even number of molds which are sequentially nested in the radial direction. Multiple inner slots are formed in the upper end face of a working ring of an inner mold in the circumferential direction, wherein the outer sides of one part of the inner slots are opened to form first-class inner slots, and the outer sides of the other part of the inner slots are closed to form second-class inner slots. Multiple outer slots are formed in the upper end face of a working ring of an outer moldin the circumferential direction, wherein the inner sides of one part of the outer slots are opened to form first-class outer slots, and the inner sides of the other part of the outer slots are closed to form second-class outer slots. Multiple middle slots are formed in the upper end face of a working ring of each middle mold in the circumferential direction, wherein the inner sides of one part of the middle slots are opened to form first-class middle slots, and the outer sides of the other part of the middle slots are closed to form second-class middle slots. The upper end faces of the working rings of all the molds are distributed in a gradually-reduced step shape from inside to outside. The device has the advantages that the process steps are reduced and the cost is saved.

Description

technical field [0001] The invention relates to a stator end twisting device, in particular to a device for flat wire motor stator end twisting. Background technique [0002] In the prior art, the method of twisting the end of the flat wire motor stator for new energy vehicles is as follows: before the flat wire stator starts to twist, it needs to carry out end shaping and flaring process to ensure that the flat wire can be inserted into the twisting mold or needs to be twisted. Manually insert the wire into the tooling mold, and after twisting the head, the wire end at the end of the stator cannot be guaranteed to be even, so it is necessary to perform alignment work to meet the welding requirements. [0003] As the new energy vehicle drive motor flat wire stator requires more and more flat wire layers (currently 8 layers), the corresponding twisting tooling is also increasing. For flat wire forming, shaping, flaring and twisting before twisting The requirements for the po...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the method of twisting the end of the flat wire motor stator for new energy vehicles is as follows: before the flat wire stator starts to twist, it needs to carry out end shaping and flaring process to ensure that the flat wire can be inserted into the twisting mold or needs to be twisted. Manually insert the wire into the tooling mold, and after turning the head, the wire ends at the end of the stator cannot be guaranteed to be even, and it is necessary to perform alignment work to meet the welding requirements

[0003] As the new energy vehicle drive motor flat wire stator requires more and more flat wire layers (currently 8 layers), the corresponding twisting tooling is also increasing. For flat wire forming, shaping, flaring and twisting before twisting The requirements for the first-class technology are getting higher and higher, and more technology makes the manufacturing cost of the flat wire stator greatly increased.

Images