CN104377901A - Manufacturing method for stator - Google Patents
Manufacturing method for stator Download PDFInfo
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- CN104377901A CN104377901A CN201410665459.3A CN201410665459A CN104377901A CN 104377901 A CN104377901 A CN 104377901A CN 201410665459 A CN201410665459 A CN 201410665459A CN 104377901 A CN104377901 A CN 104377901A
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Abstract
The invention belongs to the field of motors, and discloses a manufacturing method for a stator. The manufacturing method includes the following steps that according to the split manufacturing step of an iron core, split bodies which can be axially stacked to form the stator iron core are manufactured, wherein the number of the split bodies is the same as that of stator teeth of the stator iron core; according to the winding step, stator windings are wound around the split bodies respectively, and branch winding coils are formed on the split bodies respectively; according to the assembling step, the split bodies where the branch winding coils are wound are axially stacked to form the stator. Large spaces can be provided for winding heads when winding is performed on the split bodies independently, in this way, the winding efficiency of the stator iron core is improved, the slot fullness rate of the stator is increased, and the material cost of the stator is lowered; openings of winding slots in the stator iron core can be designed to be small, and therefore the performance of a motor is improved. Meanwhile, because the split bodies are axially stacked and assembled, the roundness precision of the stator is guaranteed; the split bodies do not need to be welded, in this way, the assembling process is simplified, and then the production efficiency of the stator is easily improved.
Description
Technical field
The invention belongs to machine field, particularly relate to the manufacture method of stator.
Background technology
A kind of classical production process of motor stator is such: first overall stamping-out goes out stator punching, then stator punching is laminated formation one-piece stator iron core, then utilizes coil winding machine coiling stator winding on this one-piece stator iron core.There is following defect in the classical production process of this stator: due to the restriction required by winding space, therefore its copper factor is not high, and the wire casing opening on stator core need design larger, thus have impact on the lifting of motor performance in a particular application.
In order to solve the technical problem in above-mentioned traditional stator manufacture method, prior art proposes the scheme that coiling is carried out in two kinds of stator core splits:
1) scheme is that the stator yoke of stator core is separated a setting completely with stator tooth, and again stator yoke and the stator tooth being arranged with stator winding coil is assembled into one-piece stator after independent coiling on the stator teeth.Although the program solves coiling in traditional stator manufacture method by spatial limitation, technical problem that copper factor is low, but, it is still Shortcomings part in a particular application, is embodied in: the assembling procedure time of stator tooth and stator yoke is long on the one hand, assembling difficulty is large; Reduce the inner circle circularity precision of stator on the other hand.
2) another kind of scheme is along the circumferential direction divided into by stator core some block comminute bodies to arrange, and separately on every block comminute body after independent coiling, more along the circumferential direction spliced by each dividing body being arranged with stator winding coil and be assembled into one-piece stator.Although the program solves coiling in traditional stator manufacture method equally by spatial limitation, technical problem that copper factor is low, it is still Shortcomings part in a particular application, is embodied in: the inner circle circularity precision reducing stator on the one hand; Need on the other hand to carry out welding operation at the joint of each dividing body, operating process is complicated, and whole stator needs to carry out plastic packaging operation, complex procedures, and is unfavorable for the heat radiation of whole stator and alleviating of complete machine weight.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide the manufacture method of stator, which solve that prior art stator core split design causes stator circularity precision to reduce, the technical problem of assembling procedure complexity after coiling.
For achieving the above object, the technical solution used in the present invention is: the manufacture method of stator, comprises the steps:
Iron core split manufacturing step, manufactures quantity identical with the quantity of stator tooth on stator core and can laminate the split forming described stator core vertically;
Spooling step, respectively coiling stator winding in each described split, and make each described split forms each sub-winding coil;
Number of assembling steps, laminates each described split being arranged with each described sub-winding coil vertically and forms described stator.
Preferably, in described iron core split manufacturing step, make each described split all have a circumference to close and thickness is less than sub-yoke and the described stator tooth be located on described sub-yoke of the thickness of described stator core, and make the thickness sum of each described sub-yoke equal the thickness of described stator core;
In described number of assembling steps, each described split is made to carry out vertically laminating assembling with the form that each described stator tooth staggers respectively mutually.
Preferably, in described spooling step, each described sub-winding coil is formed on the described stator tooth of each described split respectively.
Preferably, in described iron core split manufacturing step, make the thickness of the described sub-yoke of each described split all equal.
Preferably, in described iron core split manufacturing step, each described stator tooth is made to be formed on the madial wall of each described sub-yoke all respectively; Or, each described stator tooth is formed on the lateral wall of each described sub-yoke all respectively.
Preferably, in described iron core split manufacturing step, first manufacture first module and second unit respectively, and making described first module have the described sub-yoke first point tooth equal with the thickness of described sub-yoke with thickness, the thickness sum making described second unit have thickness and described first point of tooth equals second point of tooth of the thickness of described stator tooth; Again described first module and described second unit are laminated vertically and be connected to form described split.
Preferably, in described iron core split manufacturing step, described first module is overrided to form by several first punchings, described second unit is overrided to form by several second punchings, and make described first punching have yoke sheet and be integrally connected to the first gear piece on described yoke sheet, make described second punching have the second gear piece.
Preferably, in described iron core split manufacturing step, described first punching and described second punching stamping-out on same punching raw material is formed, and make described first gear piece and described second gear piece around described yoke sheet along the circumferential direction stamping-out formed.
Preferably, in described number of assembling steps, when assembling each described split, make between the described sub-yoke in arbitrary described split and the described stator tooth in split described in all the other by weld or plastic packaging is fixed or Insulating frame is fixed or buckle connected mode is interconnected.
Preferably, in described iron core split manufacturing step, make the first draw-in groove each described sub-yoke being all formed with few one of stator tooth quantity described in number ratio, make each described stator tooth is all formed with the first boss, and in described number of assembling steps, make to close respectively by each described first draw-in groove and the card inserting of each described first boss between each described split to carry out buckle and be connected; Or, in described iron core split manufacturing step, make the second boss each described sub-yoke being all formed with few one of stator tooth quantity described in number ratio, make each described stator tooth is all formed with the second draw-in groove, and in described number of assembling steps, make to close respectively by each described second draw-in groove and the card inserting of each described second boss between each described split to carry out buckle and be connected.
The manufacture method of stator provided by the invention, after stator core being divided into vertically the quantity split equal with stator tooth quantity and carrying out manufacturing separately also coiling, again each split complete for coiling is laminated formation one-piece stator vertically, it effectively achieves the manufacturing of stator.The invention enables separately in each split during coiling bobbin winding head all can have larger winding space, like this, be beneficial to the winding efficiency improving stator core on the one hand, be beneficial to the copper factor improving stator on the other hand, and under the prerequisite of copper factor raising, can the copper cash forming stator winding be changed into aluminum steel, be beneficial to the material cost of saving stator; Make the wire casing opening on stator core can design less on the one hand again, improve the performance of motor.Meanwhile, because each split laminates assembling vertically, therefore which ensure that the circularity precision of stator, and do not need between each split to weld, simplify assembling procedure, and then be beneficial to the production efficiency improving stator.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the stator core of the three groove motors that the embodiment of the present invention provides;
Fig. 2 is the assembling schematic diagram of the stator core of the three groove motors that the embodiment of the present invention provides;
Fig. 3 is the schematic diagram of each sub-winding coil coiling in each split respectively of the three groove motors that the embodiment of the present invention provides;
Fig. 4 is the decomposing schematic representation of the split of the three groove motors that the embodiment of the present invention provides;
Fig. 5 is the decomposing schematic representation of the stator core of the four groove motors that the embodiment of the present invention provides;
Fig. 6 is the assembling schematic diagram of the stator core of the four groove motors that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Fig. 1 ~ 3 and Fig. 5 ~ 6, the manufacture method of the stator that the embodiment of the present invention provides, comprises the steps:
Iron core split manufacturing step, manufactures quantity identical with the quantity of stator tooth 112 on stator core 1 and can laminate the split 11 forming stator core 1 vertically, and wherein, stator core 1 comprises stator yoke 10 and is located at stator tooth 112 in stator yoke 10 with several;
Spooling step, respectively coiling stator winding in each split 11, and make each split 11 forms each sub-winding coil 2;
Number of assembling steps, laminates formation stator vertically by each split 11 being arranged with each sub-winding coil 2, on stator after finishing assembly, all encloses formation wire casing 100 between any two adjacent stator tooths 112.
The manufacture method of the stator that the embodiment of the present invention provides is first respectively after individually coiling on the stator tooth 112 of each split 11 (coiling stator winding), more each split 11 complete for coiling laminated vertically and form one-piece stator.Its make separately in each split 11 during coiling bobbin winding head all can have larger winding space, like this, be beneficial to the winding efficiency improving stator core 1 on the one hand, be beneficial to the copper factor improving stator on the other hand, and under the prerequisite of copper factor raising, can the copper cash forming stator winding be changed into aluminum steel, be beneficial to the material cost of saving stator; Make wire casing 100 opening on stator core 1 can design less on the one hand again, wire casing 100 even can be made to be designed to the form of approximate closed slot, improve the performance of motor.Meanwhile, because each split 11 laminates assembling vertically, therefore which ensure that the circularity precision of stator, and do not need between each split 11 to weld, simplify assembling procedure, and then be beneficial to the production efficiency improving stator.
Preferably, as shown in Fig. 1 ~ 3 and Fig. 5 ~ 6, in iron core split manufacturing step, make each split 11 all have a circumference to close and thickness is less than sub-yoke 111 and the stator tooth 112 be located on sub-yoke 111 of the thickness of stator core 1, and make the thickness sum of each sub-yoke 111 equal the thickness of stator core 1; In number of assembling steps, make each split 11 carry out vertically laminating assembling with the form that each stator tooth 112 staggers respectively mutually, i.e. each stator tooth 112 of each split 11 along the circumferential direction mutually staggers respectively setting on stator core 1.In the present embodiment, because each sub-yoke 111 is all that circumference is closed, therefore which ensure that the circularity precision of stator, and do not need between each split 11 to weld, simplify assembling procedure, and then be beneficial to the production efficiency improving stator.
Preferably, as shown in Fig. 1 ~ 3 and Fig. 5 ~ 6, in spooling step, make each sub-winding coil 2 be formed on the stator tooth 112 of each split 11 respectively, namely each sub-winding coil 2 is formed on the stator tooth 112 of each split 11 respectively.In the present embodiment, due to each split 11 being all only provided with a stator tooth 112, therefore, stator tooth 112 both sides in each split 11 before assembling all have larger activity space, thus make separately on the stator tooth 112 of each split 11 during coiling bobbin winding head all can have larger winding space, like this, be beneficial to the winding efficiency improving stator core 1 on the one hand, be beneficial to the copper factor improving stator on the other hand, and under the prerequisite of copper factor raising, can the copper cash forming stator winding be changed into aluminum steel, be beneficial to the material cost of saving stator; Make wire casing 100 opening on stator core 1 can design less on the one hand again, wire casing 100 even can be made to be designed to the form of approximate closed slot, improve the performance of motor.
Preferably, in iron core split manufacturing step, make the thickness of the sub-yoke 111 of each split 11 all equal.Like this, be beneficial to and make the planform of the sub-yoke 111 of each split 11 all identical, thus be beneficial to the design course of processing simplifying each split 11, and then be beneficial to the production efficiency improving stator.Such as when motor is three groove motors (motor that wire casing 100 quantity is three, stator tooth 112 quantity is three), as shown in figures 1-4, the quantity of stator tooth 112 is three, the quantity correspondence of split 11 is set to three, and each split 11 comprises a circumference and to close and thickness is sub-yoke 111 and a stator tooth 112 of 1/3rd of stator yoke 10 thickness; When motor is four groove motor, as shown in Figure 5 and Figure 6, the quantity of stator tooth 112 is four, and the quantity correspondence of split 11 is set to four, and each split 11 comprises circumference and to close and thickness is sub-yoke 111 and a stator tooth 112 of 1/4th of stator yoke 10 thickness; When motor is nine groove motor, the quantity of stator tooth 112 is nine, and the quantity correspondence of split 11 is set to nine, and each split 11 comprises circumference and to close and thickness is sub-yoke 111 and a stator tooth 112 of 1/9th of stator yoke 10 thickness.
Particularly, in iron core split manufacturing step, each stator tooth 112 is made to be formed on the madial wall 1111 of each sub-yoke 111 all respectively; Or, make each stator tooth 112 be formed on the lateral wall 1112 of each sub-yoke 11 all respectively, the stator core 1 that namely embodiment of the present invention provides is applicable to inner rotor motor (outside of stator is located at by rotor) and also can be and be applicable to external rotor electric machine (outside of stator is located at by rotor).Particularly, each sub-yoke 111 all has madial wall 1111 and lateral wall 1112, and when stator core 1 is applied on inner rotor motor, each stator tooth 112 is located on the madial wall 1111 of each sub-yoke 111 all respectively; When stator core 1 is applied on external rotor electric machine, each stator tooth 112 is located on the lateral wall 1112 of each sub-yoke 111 all respectively.
Preferably, in iron core split manufacturing step, first manufacture first module and second unit respectively, and making first module have the sub-yoke 111 first point tooth 1121 equal with the thickness of sub-yoke 111 with thickness, the thickness sum making second unit have thickness and first point of tooth 1121 equals second point of tooth 1122 of the thickness of stator tooth 112; Again first module and second unit are laminated vertically and be connected to form split 11.The present embodiment, stator tooth 112 is divided into first point of tooth 1121 and the processing of second point of tooth 1122 designing two portions, and make the consistency of thickness of first point of tooth 1121 and sub-yoke 111 and together with process, like this, be beneficial to the manufacture process simplifying each split 11, thus be beneficial to the manufacturing efficiency improving each split 11.
Particularly, each second point of tooth 1122 is laminated respectively by riveting button or laser welding or glue bonding way and is fixed on each first point of tooth 1121 and forms stator tooth 112, and its installation process is simple, it is reliably fastening to install.
Preferably, in iron core split manufacturing step, first module is overrided to form by several first punchings, second unit is overrided to form by several second punchings, and make the first punching have yoke sheet and be integrally connected to the first gear piece on yoke sheet, make the second punching have the second gear piece.The present embodiment, sub-yoke 111 and first point of tooth 1121 are overrided to form by several first punchings that integrally stamping-outs are formed, the second punching that second point of tooth 1122 is formed by several one stamping-outs is overrided to form, and due to the first punching and the second punching all can be shaping by stamping machine integrated punching, therefore, the manufacture process of the first punching and the second punching is very simple, it is high and be suitable for producing in enormous quantities and manufacture to manufacture efficiency, thus simplify the manufacture process of each split 11, improve the manufacturing efficiency of each split 11.Meanwhile, the sub-yoke 111 closed due to each circumference is shaping with each first point of tooth 1121 integrated punching, therefore effectively ensure that the final circularity precision being laminated the stator core 1 formed by each split 11.Of course, in embody rule, sub-yoke 111 and first point of tooth 1121 also can integrally casting shaping, second point of tooth 1122 also can integrally casting shaping.
Preferably, in iron core split manufacturing step, the first punching and the second punching stamping-out on same punching raw material is formed, and make the first gear piece and the second gear piece around yoke sheet along the circumferential direction stamping-out formed.Like this, be beneficial on the one hand and improve raw-material utilance, thus be beneficial to the material cost of saving stator core 1; Be beneficial to the manufacturing efficiency of raising first punching and the second punching on the other hand; Be beneficial to the circularity precision ensureing stator core 1 more on the one hand.Particularly, when stator is applied to inner rotor motor, the first gear piece and the second gear piece along the circumferential direction stamping-out are formed at the inner side of yoke sheet, and stamping-out shaping after, the first gear piece and yoke sheet keep being connected, and the second gear piece departs from yoke sheet and is connected; When stator is applied to external rotor electric machine, first gear piece and the second gear piece along the circumferential direction stamping-out are formed at the outside of yoke sheet, and stamping-out shaping after, the first gear piece and yoke sheet keep being connected and form the first punching, and the second gear piece and yoke sheet depart from and be connected and form the second punching.
Particularly, when the quantity of the split 11 forming stator core 1 is more than or equal to three, form each split 11 of stator core 1 and comprise two side split 11 and at least one middle splits 11 between both end sides split 11 laying respectively at stator core 1 two ends vertically, second point of tooth 1122 of side split 11 is all positioned at the one-sided of its first point of tooth 1121, 1122, second point of tooth of middle split 11 comprises two parts laying respectively at its first point of tooth 1121 both sides, in the mill during split 11, two parts of second point of tooth 1122 of middle split 11 laminate from the both sides of its first point of tooth 1121 respectively and are fixed on its first point of tooth 1121.
Preferably, in number of assembling steps, when assembling each split, make the sub-yoke 111 in arbitrary split 11 with between the stator tooth 112 in all the other splits 11 by weld or plastic packaging is fixed or Insulating frame is fixed or buckle connected mode is interconnected.Like this, effectively can realize being fastenedly connected of stator tooth in arbitrary split 11 112 and each sub-yoke 111 in all the other splits 11, ensure that the solid and reliable property connected between each split 11.
Particularly, as shown in Figure 1, Figure 2 and Figure 4, each sub-yoke 111 is all provided with the first draw-in groove 101 of few one of number ratio stator tooth 112 quantity, second point of tooth 1122 of each stator tooth 112 is all provided with the first boss 102, to close with the card inserting of each first boss 102 respectively by each first draw-in groove 101 between each split 11 and be fastenedly connected, like this, is closed with the card inserting of each first draw-in groove 101 by each first boss 102, effectively can to realize in arbitrary split 11 being fastenedly connected of each sub-yoke 111 on second point of tooth 1122 and all the other splits 11; Or, each sub-yoke 111 is provided with the second boss of few one of number ratio stator tooth 112 quantity, second point of tooth 1122 is provided with the second draw-in groove, close respectively by the card inserting of each second draw-in groove and each second boss between each split 11 and be fastenedly connected, like this, is closed by the card inserting of each second boss with the second draw-in groove, also effectively can to realize in arbitrary split 11 being fastenedly connected of each sub-yoke 111 on second point of tooth 1122 and all the other splits 11.
Particularly, as shown in Figure 4, as a concrete scheme of the vibrational power flow of above-mentioned first draw-in groove 101 and the first boss 102, first draw-in groove 101 such as to comprise at the recessed notch 1011 on sub-yoke 111 of width, along the groove shoulder 1012 that notch 1011 tilts recessed with the form that width increases gradually towards sub-yoke 111 entity, along groove shoulder 1012 to wait width towards the recessed bottom land 1013 of sub-yoke 111 entity, first boss 102 width such as to comprise and to be convexly equipped at the bottom of the platform coordinated on second point of tooth 1122 and with notch 1,011 1021, at the bottom of platform 1021 forms increased gradually with width towards away from second point of tooth 1122 direction inclination projection and take on 1012 shoulders coordinated 1022 with groove, along shoulder 1022 to wait width towards away from the direction projection of second point of tooth 1122 and the abutment body 1023 coordinated with bottom land 1013, like this, can realize the first draw-in groove 101 and the first boss 102 card insert be connected.
Or, as the further improvement project of above-mentioned first draw-in groove 101 and the first boss 102, first draw-in groove 101, except comprising above-mentioned notch 1011, groove shoulder 1012 and bottom land 1013, also can comprise centre position along bottom land 1013 to wait width towards the recessed groove tail (not shown) of sub-yoke 111 entity; First boss 102 is except comprising at the bottom of above-mentioned 1021, except shoulder 1022 and abutment body 1023, and the width such as centre position that also can comprise along abutment body 1023 is convexly equipped in the platform top (not shown) coordinated on abutment body 1023 and with groove tail.This embodiment, is beneficial to raising the first boss 102 and the first draw-in groove 101 further and blocks the fastening reliability inserted and be connected.
Or, as another improvement project of above-mentioned first draw-in groove 101 and the first boss 102, first draw-in groove 101, except comprising above-mentioned notch 1011, groove shoulder 1012 and bottom land 1013, also can comprise the positioning convex (not shown) be convexly equipped in bottom land 1013; First boss 102, except comprising at the bottom of above-mentioned 1021, except shoulder 1022 and abutment body 1023, also can comprise the recessed location notch (not shown) coordinated on abutment body 1023 and with positioning convex.This embodiment, is also beneficial to raising the first boss 102 and the first draw-in groove 101 further and blocks the fastening reliability inserted and be connected.Of course, in embody rule, the first draw-in groove 101 and the first boss 102 yet can be set to other mutually card inserting close structure.
The embodiment of the present invention provides the manufacture method of stator, the split 11 stator core 1 being divided into vertically quantity equal with stator tooth 12 quantity manufactures separately, and by each sub-winding coil 2 respectively in each split 11 independent coiling shaping, like this, make the activity space of bobbin winding head (not shown) larger on the one hand, winding ratio is more convenient, improves copper factor and winding efficiency dramatically; Make the openings of sizes of the wire casing 100 of stator core 1 can carry out flexible design according to designing requirement on the other hand, wire casing 100 even can be made to be designed to the form of approximate closed slot, and then be beneficial to the performance improving motor; Ensure that the circularity precision of stator more on the one hand, and the follow-up assembling procedure after simplifying coiling.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the manufacture method of stator, is characterized in that: comprise the steps:
Iron core split manufacturing step, manufactures quantity identical with the quantity of stator tooth on stator core and can laminate the split forming described stator core vertically;
Spooling step, respectively coiling stator winding in each described split, and make each described split forms each sub-winding coil;
Number of assembling steps, laminates each described split being arranged with each described sub-winding coil vertically and forms described stator.
2. the manufacture method of stator as claimed in claim 1, it is characterized in that: in described iron core split manufacturing step, make each described split all have a circumference to close and thickness is less than sub-yoke and the described stator tooth be located on described sub-yoke of the thickness of described stator core, and make the thickness sum of each described sub-yoke equal the thickness of described stator core;
In described number of assembling steps, each described split is made to carry out vertically laminating assembling with the form that each described stator tooth staggers respectively mutually.
3. the manufacture method of stator as claimed in claim 2, is characterized in that: in described spooling step, each described sub-winding coil is formed on the described stator tooth of each described split respectively.
4. the manufacture method of stator as claimed in claim 2, is characterized in that: in described iron core split manufacturing step, makes the thickness of the described sub-yoke of each described split all equal.
5. the manufacture method of stator as claimed in claim 2, is characterized in that: in described iron core split manufacturing step, makes each described stator tooth be formed on the madial wall of each described sub-yoke all respectively; Or, each described stator tooth is formed on the lateral wall of each described sub-yoke all respectively.
6. the manufacture method of the stator as described in any one of claim 2 to 5, it is characterized in that: in described iron core split manufacturing step, first manufacture first module and second unit respectively, and making described first module have the described sub-yoke first point tooth equal with the thickness of described sub-yoke with thickness, the thickness sum making described second unit have thickness and described first point of tooth equals second point of tooth of the thickness of described stator tooth; Again described first module and described second unit are laminated vertically and be connected to form described split.
7. the manufacture method of stator as claimed in claim 6, it is characterized in that: in described iron core split manufacturing step, described first module is overrided to form by several first punchings, described second unit is overrided to form by several second punchings, and make described first punching have yoke sheet and be integrally connected to the first gear piece on described yoke sheet, make described second punching have the second gear piece.
8. the manufacture method of stator as claimed in claim 7, it is characterized in that: in described iron core split manufacturing step, described first punching and described second punching stamping-out on same punching raw material is formed, and make described first gear piece and described second gear piece around described yoke sheet along the circumferential direction stamping-out formed.
9. the manufacture method of the stator as described in any one of claim 2 to 5, it is characterized in that: in described number of assembling steps, when assembling each described split, make between the described sub-yoke in arbitrary described split and the described stator tooth in split described in all the other by weld or plastic packaging is fixed or Insulating frame is fixed or buckle connected mode is interconnected.
10. the manufacture method of stator as claimed in claim 9, it is characterized in that: in described iron core split manufacturing step, make the first draw-in groove each described sub-yoke being all formed with few one of stator tooth quantity described in number ratio, make each described stator tooth is all formed with the first boss, and in described number of assembling steps, make to close respectively by each described first draw-in groove and the card inserting of each described first boss between each described split to carry out buckle and be connected; Or, in described iron core split manufacturing step, make the second boss each described sub-yoke being all formed with few one of stator tooth quantity described in number ratio, make each described stator tooth is all formed with the second draw-in groove, and in described number of assembling steps, make to close respectively by each described second draw-in groove and the card inserting of each described second boss between each described split to carry out buckle and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410665459.3A CN104377901A (en) | 2014-11-19 | 2014-11-19 | Manufacturing method for stator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410665459.3A CN104377901A (en) | 2014-11-19 | 2014-11-19 | Manufacturing method for stator |
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| CN104377901A true CN104377901A (en) | 2015-02-25 |
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| CN201410665459.3A Pending CN104377901A (en) | 2014-11-19 | 2014-11-19 | Manufacturing method for stator |
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| CN107302271A (en) * | 2017-08-30 | 2017-10-27 | 广东威灵电机制造有限公司 | Stator, electric machine assembly and compressor |
| CN111293836A (en) * | 2018-12-06 | 2020-06-16 | 广东美的环境电器制造有限公司 | Processing technology of stator core |
| CN111740555A (en) * | 2020-07-27 | 2020-10-02 | 四川腾邦科技有限公司 | Manufacturing method of magneto stator core |
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| CN107302271B (en) * | 2017-08-30 | 2019-12-17 | 广东威灵电机制造有限公司 | Stator, motor element and compressor |
| CN111293836A (en) * | 2018-12-06 | 2020-06-16 | 广东美的环境电器制造有限公司 | Processing technology of stator core |
| CN111740555A (en) * | 2020-07-27 | 2020-10-02 | 四川腾邦科技有限公司 | Manufacturing method of magneto stator core |
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Application publication date: 20150225 |