阅读说明：本技术 电机定子开口复合式绕线工艺 (Composite winding process for motor stator opening ) 是由 王传府 王丽丽 于 2018-07-12 设计创作，主要内容包括：本发明公开了一种电机定子开口复合式绕线工艺,其工艺步骤如下：a、制作定子铁芯；b、开设槽口；c、第一相绕组绕线；d、第二相绕组绕线：e、第三相绕组绕线：f、复合槽口；g、绕组接线。优点是：本发明槽满率高能提高电机的工作效率及耗能低、能有效节约生产成本。(The invention discloses a motor stator opening combined type winding process, which comprises the following process steps: a. manufacturing a stator core; b. forming a notch; c. winding a first phase winding; d. winding of a second phase winding: e. winding of a third phase winding: f. a compound slot; g. and connecting the windings. The advantages are that: the invention has high groove filling rate, improves the working efficiency of the motor, has low energy consumption and can effectively save the production cost.)

1. A motor stator opening combined type winding process is characterized in that: the process comprises the following steps:

a. manufacturing a stator core: laminating the silicon steel sheets to form a stator core;

b. opening a notch: stamping the outer end part of a winding groove tooth on a stator iron core by stamping equipment to form a notch with a certain depth, and forming a composite groove on the outer end surface of the winding groove tooth;

c. winding of a first phase winding:

winding of a head end winding: winding a copper wire from the upper end of a winding slot tooth at the head end of a first-phase winding by using a winding machine, winding adjacent winding slot teeth from the direction vertical to the perpendicular bisector of the tooth socket after winding the winding slot teeth, and directly connecting the upper end of the winding slot teeth to the tail end of the first-phase winding if the winding slot teeth group is 2N times; if the winding slot tooth group is 2N +1 times, the tail end of the winding slot tooth is directly connected to the tail end of the first phase winding; n is more than or equal to 1;

winding of a tail end winding: the copper wire connected with the first-phase winding head end winding starts to wind from the upper end of the winding slot tooth, and after the wire arrangement is finished, the adjacent winding slot tooth starts to wind from the direction vertical to the perpendicular bisector of the tooth socket; if the number of the winding slot teeth is 2N times, the copper wire is directly led out from the upper end of the winding slot teeth; if the number of the winding slot teeth is 2N +1 times, the copper wire is directly led out from the tail end of the winding slot teeth;

d. winding of a second phase winding:

winding of a head end winding: winding a copper wire from the upper end of a winding slot tooth at the head end of a second-phase winding by using a winding machine, winding adjacent winding slot teeth from the direction vertical to the perpendicular bisector of the tooth socket after winding slot tooth arrangement is finished, and if the winding slot tooth group is 2N times, directly connecting the upper end of the winding slot teeth to the tail end of the second-phase winding; if the winding slot tooth group is 2N +1 times, the tail end of the winding slot tooth is directly connected to the tail end of the second phase winding; n is more than or equal to 1;

winding of a tail end winding: the copper wire connected with the first-phase winding head end winding starts to wind from the upper end of the winding slot tooth, and after the wire arrangement is finished, the adjacent winding slot tooth starts to wind from the direction vertical to the perpendicular bisector of the tooth socket; if the number of the winding slot teeth is 2N times, the copper wire is directly led out from the upper end of the winding slot teeth; if the number of the winding slot teeth is 2N +1 times, the copper wire is directly led out from the tail end of the winding slot teeth;

e. winding of a third phase winding:

winding of a head end winding: winding a copper wire from the upper end of a winding slot tooth at the head end of a third-phase winding by using a winding machine, winding adjacent winding slot teeth from the direction vertical to the perpendicular bisector of the tooth socket after winding slot tooth arrangement is finished, and if the winding slot tooth group is 2N times, directly connecting the upper end of the winding slot teeth to the tail end of the third-phase winding; if the winding slot tooth group is 2N +1 times, the tail end of the winding slot tooth is directly connected to the tail end of the third phase winding; n is more than or equal to 1;

winding of a tail end winding: the copper wire connected with the head end winding of the third-phase winding starts to wind from the upper end of the winding slot tooth, and after the wire arrangement is finished, the adjacent winding slot tooth starts to wind from the direction vertical to the perpendicular bisector of the tooth socket; if the number of the winding slot teeth is 2N times, the copper wire is directly led out from the upper end of the winding slot teeth; if the number of the winding slot teeth is 2N +1 times, the copper wire is directly led out from the tail end of the winding slot teeth;

f. a composite notch: punching the notch by punching equipment, and bending the notch towards two sides to form an arc-shaped composite end part;

g. and (3) winding wiring: and connecting the first phase winding, the second phase winding and the third phase winding.

2. The motor stator opening composite winding process of claim 1, wherein: the first phase winding, the second phase winding and the third phase winding are provided with intermediate windings, and the winding mode of the intermediate windings is as follows: the copper wire connected with the winding at the head end starts to wind from the upper end of the winding slot tooth, and after the wire arrangement is finished, the adjacent winding slot tooth starts to wind from the direction vertical to the perpendicular bisector of the tooth socket; and after the winding is finished, the wire is directly connected to the tail end winding.

3. The motor stator opening composite winding process of claim 1, wherein: and c, forming a notch in the step b, wherein the notch is internally provided with an arc-shaped bulge.

4. The motor stator opening composite winding process of claim 1, wherein: the compound mode of the notch in the step f is as follows: the single components are compounded one by one or all at the same time.

5. The motor stator opening composite winding process of claim 1, wherein: and f, the circle center of the arc-shaped composite end part compounded in the step f is superposed with the circle center of the stator.

Technical Field

The invention belongs to the technical field of motor stator winding, and particularly relates to a motor stator opening combined type winding process.

Background

At present, most of winding methods on a motor stator start winding from the upper end part of winding slot teeth, namely, after winding displacement of one winding slot tooth is finished, the winding method can be used for connecting a wire from the bottom part of the winding slot tooth upwards in an inclined manner to the upper end part of an adjacent winding slot tooth to continue winding displacement, the winding method cannot perform orderly wiring on the stator, and the winding method can occupy more slot positions, so that the slot fullness rate is lower, and the use efficiency of the motor is influenced; moreover, the distance of the obliquely upward wiring mode is long, so that the resistance is high and the energy consumption is high during the work, and meanwhile, the copper wire required by the winding mode is long and the production cost is high; there is a need for improvement.

Disclosure of Invention

The invention aims to provide a motor stator opening combined type winding process aiming at the defects in the prior art, and the process has the characteristics of high slot fullness rate, improvement on the working efficiency of a motor, low energy consumption and effective saving of the production cost.

In order to achieve the purpose, the invention adopts the technical scheme that: a motor stator opening combined type winding process comprises the following process steps:

a. manufacturing a stator core: laminating the silicon steel sheets to form a stator core;

b. opening a notch: stamping the outer end part of a winding groove tooth on a stator iron core by stamping equipment to form a notch with a certain depth, and forming a composite groove on the outer end surface of the winding groove tooth;

c. winding of a first phase winding:

winding of a head end winding: winding a copper wire from the upper end of a winding slot tooth at the head end of a first-phase winding by using a winding machine, winding adjacent winding slot teeth from the direction vertical to the perpendicular bisector of the tooth socket after winding the winding slot teeth, and directly connecting the upper end of the winding slot teeth to the tail end of the first-phase winding if the winding slot teeth group is 2N times; if the winding slot tooth group is 2N +1 times, the tail end of the winding slot tooth is directly connected to the tail end of the first phase winding; n is more than or equal to 1;

winding of a tail end winding: the copper wire connected with the first-phase winding head end winding starts to wind from the upper end of the winding slot tooth, and after the wire arrangement is finished, the adjacent winding slot tooth starts to wind from the direction vertical to the perpendicular bisector of the tooth socket; if the number of the winding slot teeth is 2N times, the copper wire is directly led out from the upper end of the winding slot teeth; if the number of the winding slot teeth is 2N +1 times, the copper wire is directly led out from the tail end of the winding slot teeth;

d. winding of a second phase winding:

winding of a head end winding: winding a copper wire from the upper end of a winding slot tooth at the head end of a second-phase winding by using a winding machine, winding adjacent winding slot teeth from the direction vertical to the perpendicular bisector of the tooth socket after winding slot tooth arrangement is finished, and if the winding slot tooth group is 2N times, directly connecting the upper end of the winding slot teeth to the tail end of the second-phase winding; if the winding slot tooth group is 2N +1 times, the tail end of the winding slot tooth is directly connected to the tail end of the second phase winding; n is more than or equal to 1;

winding of a tail end winding: the copper wire connected with the first-phase winding head end winding starts to wind from the upper end of the winding slot tooth, and after the wire arrangement is finished, the adjacent winding slot tooth starts to wind from the direction vertical to the perpendicular bisector of the tooth socket; if the number of the winding slot teeth is 2N times, the copper wire is directly led out from the upper end of the winding slot teeth; if the number of the winding slot teeth is 2N +1 times, the copper wire is directly led out from the tail end of the winding slot teeth;

e. winding of a third phase winding:

winding of a head end winding: winding a copper wire from the upper end of a winding slot tooth at the head end of a third-phase winding by using a winding machine, winding adjacent winding slot teeth from the direction vertical to the perpendicular bisector of the tooth socket after winding slot tooth arrangement is finished, and if the winding slot tooth group is 2N times, directly connecting the upper end of the winding slot teeth to the tail end of the third-phase winding; if the winding slot tooth group is 2N +1 times, the tail end of the winding slot tooth is directly connected to the tail end of the third phase winding; n is more than or equal to 1;

winding of a tail end winding: the copper wire connected with the head end winding of the third-phase winding starts to wind from the upper end of the winding slot tooth, and after the wire arrangement is finished, the adjacent winding slot tooth starts to wind from the direction vertical to the perpendicular bisector of the tooth socket; if the number of the winding slot teeth is 2N times, the copper wire is directly led out from the upper end of the winding slot teeth; if the number of the winding slot teeth is 2N +1 times, the copper wire is directly led out from the tail end of the winding slot teeth;

f. a composite notch: punching the notch by punching equipment, and bending the notch towards two sides to form an arc-shaped composite end part;

g. and (3) winding wiring: and connecting the first phase winding, the second phase winding and the third phase winding.

The first phase winding, the second phase winding and the third phase winding are provided with intermediate windings, and the winding mode of the intermediate windings is as follows: the copper wire connected with the winding at the head end starts to wind from the upper end of the winding slot tooth, and after the wire arrangement is finished, the adjacent winding slot tooth starts to wind from the direction vertical to the perpendicular bisector of the tooth socket; and after the winding is finished, the wire is directly connected to the tail end winding.

And c, forming a notch in the step b, wherein the notch is internally provided with an arc-shaped bulge.

The compound mode of the notch in the step f is as follows: the single components are compounded one by one or all at the same time.

And f, the circle center of the arc-shaped composite end part compounded in the step f is superposed with the circle center of the stator.

Compared with the prior art, the invention has the advantages that: according to the invention, after one winding slot tooth arrangement is finished, the adjacent winding slot teeth are continuously wound from the direction perpendicular to the perpendicular bisector of the tooth socket, the wire arrangement mode can improve the slot filling rate, so that the use power of the motor is improved, and meanwhile, as the tangent wire connection mode is adopted, compared with the existing cable-stayed wire connection mode, the resistance is smaller, the energy consumption is lower, the length of a copper wire required by production is shorter, and the production cost is reduced.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.