Gear shaping stator and assembling technology thereof

Abstract

The invention relates to a motor gear shaping stator. The motor gear shaping stator is characterized in that each stator tooth of a silicon steel sheet stator is provided with an tooth inserting groove, each tooth inserting groove is provided with an insertion tooth of a silicon steel sheet, each insertion tooth is provided with a T-shaped head with a circular-arc-shaped face and is inserted into a corresponding tooth inserting groove, the T-shaped head respectively seals open guide line grooves on the two sides, clearance exists between T-shaped heads of adjacent insertion teeth so as to form a notch, circular-arc-shaped faces of a plurality of T-shaped heads form an inner circle or outer circle structure of the stator. At assembling time, the silicon steel sheets are respectively stamped to form the stator sheets with tooth inserting grooves and insertion tooth sheets, the stator sheets and the insertion tooth sheets are respectively aligned and stacked to form the stator and insertion teeth, the stator and the insertion teeth are placed into formed windings one by one, and the stator can be formed as long as the insertion teeth are hit into the tooth inserting grooves. The motor gear shaping stator has the advantages of being exquisite in conception, reasonable in structure and simple in inserting coil technology. Especially, the stator guide line notch can be opened larger, automatic inserting coil of machines can be met, and the groove full rate is improved, subsequently, the insertion teeth are used for blocking open guide line grooves, so that the clearance between adjacent stator teeth is reduced, and the motor performance is improved.

Description

Technical field: [0001] The invention belongs to the field of motors, and in particular relates to a slotted stator, which utilizes slotted teeth to improve the slot fill ratio of the stator, and an assembly process of the slotted stator. Background technique: [0002] Improving the power density, high density, high efficiency, and high torque of the motor is one of the main indicators for judging the motor. The stator winding of a high-density motor has a relatively high slot fill rate, but in order to make the magnetic flux density of each magnetic circuit of the stator appropriate, the width of the stator teeth should be ensured. In order to reduce the loss of the motor, the notch of the stator slot is often designed to be small, which brings difficulties to the winding off the line, especially the integral winding made of multi-turn flat copper wire, it is more difficult to off the line, or it cannot be off the line at all. . In the traditional stator manufacturing pro...

AI Technical Summary

Problems solved by technology

In order to reduce the loss of the motor, the notch of the stator slot is often designed to be small, which brings difficulties to the winding off the line, especially the integral winding made of multi-turn flat copper wire, it is more difficult to off the line, or it cannot be off the line at all.

In the traditional stator manufacturing process, the stator flat copper wire winding with high slot filling ratio requires open slots or semi-open slots, but the slots of the motor are too large, the air gap flux distribution of the motor is uneven, the tooth harmonics increase, and the additional loss increases. Efficiency drops

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