CN221202244U - Tooth yoke separation type motor stator core - Google Patents
Tooth yoke separation type motor stator core Download PDFInfo
- Publication number
- CN221202244U CN221202244U CN202322702308.8U CN202322702308U CN221202244U CN 221202244 U CN221202244 U CN 221202244U CN 202322702308 U CN202322702308 U CN 202322702308U CN 221202244 U CN221202244 U CN 221202244U
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- stator core
- tooth
- yoke
- motor
- insulating framework
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- 238000000926 separation method Methods 0.000 title claims description 12
- 238000003475 lamination Methods 0.000 claims description 32
- 239000003292 glue Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 25
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to the technical field of motors, in particular to a tooth-yoke separated motor stator core, which comprises a stator core tooth part module and a stator core yoke part module; the stator core tooth part module comprises a stator core sleeve for sleeving a rotor and a plurality of stator core tooth columns circumferentially arranged on the outer wall of the stator core sleeve, wherein insulating framework mounting grooves are formed between adjacent stator core tooth columns, and the specifications of the insulating framework mounting grooves are the same; the number of the stator core yoke modules corresponds to the number of the insulating framework mounting grooves, and the stator core yoke modules are spliced with the outer ports of the insulating framework mounting grooves respectively. The device solves the problem of lower slot filling rate of the existing tooth yoke separated type closed slot motor, further improves the power density of the motor, improves the production and assembly process of the motor, reduces the requirements of a stator core on a special insulating framework and a special fixture, is easy for automatic and large-scale production of the motor, and reduces the production and manufacturing cost of enterprises.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a tooth-yoke separated motor stator core.
Background
With the development of the motor industry, motors with higher power density have been widely used in the market, especially permanent magnet synchronous motors. However, due to the interaction of the permanent magnets and stator core slots, which affects the torque performance and control accuracy of the motor, how to reduce cogging torque has been a problem to be considered in motor design.
The existing tooth yoke separated stator core reduces the cogging torque of the motor by adopting a closed slot mode, and improves the stability of the torque output of the motor. The conventional stator core and the existing tooth yoke separated stator core are not convenient for automatic and large-scale production due to the automation level of the current manufacturing industry.
The stator core teeth and the stator core yoke are spliced and matched, and the stator core teeth and the stator core yoke are separated and arranged in a mode of effectively reducing stator core manufacturing material waste, simultaneously greatly reducing stator core production difficulty, optimizing production and manufacturing processes, reducing production and motor manufacturing cost, further being capable of solving the problems that the slot filling rate of the existing tooth yoke separated closed slot motor is lower, further improving the power density of the motor, improving the production and assembly process of the motor, reducing the requirements of the stator core on a special insulating framework and a special fixture, facilitating the automatic and large-scale production of the motor, and reducing enterprise production and manufacturing cost.
In addition, the manufacturing of the existing tooth yoke separated motor is not separated from a special insulating framework which is completely matched with a stator core, and the motor slot filling rate is low due to limited installation space, so that the motor utilization rate is low; meanwhile, the production of the existing tooth yoke separating motor is not free from a special tool clamp, and the automatic large-scale production is difficult.
Therefore, a new solution is needed to solve the above technical problems.
Disclosure of utility model
The utility model aims to overcome the problems in the prior art, and provides a stator core of a tooth-yoke separation motor, which aims to solve the problems that in the prior art, an insulation framework which is specially made and is completely matched with the stator core cannot be manufactured, and the motor slot filling rate is low due to limited installation space, so that the motor utilization rate is low; and the technical problems that the production of the existing tooth yoke separation type motor is not separated from a special tool clamp and the automatic large-scale production is difficult.
The above purpose is realized by the following technical scheme:
A stator core of a tooth-yoke separated motor comprises a stator core tooth module and a stator core yoke module;
The stator core tooth part module comprises a stator core sleeve for sleeving a rotor and a plurality of stator core tooth columns circumferentially arranged on the outer wall of the stator core sleeve, wherein insulating framework mounting grooves are formed between adjacent stator core tooth columns, and the specifications of the insulating framework mounting grooves are the same;
the number of the stator core yoke part modules corresponds to the number of the insulating framework mounting grooves, and the stator core yoke part modules are spliced with the outer ports of the insulating framework mounting grooves respectively;
After the stator core yoke part modules and the insulating framework mounting grooves are mutually spliced, an annular stator core outer wall concentric with the stator core sleeve is formed.
Further, the stator core tooth module is formed by mutually laminating a plurality of stator core tooth laminates, and the stator core yoke module is formed by mutually laminating a plurality of stator core yoke laminates.
Further, the thickness of the stator core tooth lamination is the same as the thickness of the stator core yoke lamination, and the number of the stator core tooth lamination is the same as the number of the stator core yoke lamination.
Further, the stator core tooth lamination comprises a circular lantern ring and a plurality of stator core toothed plates circumferentially arranged on the outer wall of the circular lantern ring, stator core tooth grooves are formed between adjacent stator core toothed plates, and specifications of the stator core tooth grooves are the same.
Further, stator core tooth shoes which are symmetrical to each other are arranged between the root of each stator core tooth plate and the outer wall of the circular lantern ring.
Further, the oblique sides of adjacent 2 stator core tooth shoes are mutually intersected to form the bottom wall of the stator core tooth groove.
Further, the stator core yoke part lamination is an arc yoke plate, and two ends of the arc yoke plate can be spliced with the inner wall of the stator core tooth slot respectively.
Further, the arc-shaped yoke plate is spliced with the inner wall of the tooth socket of the stator core through glue.
Further, a first splicing groove which is symmetrical with each other is formed in a port of each stator iron core tooth slot, a second splicing groove which is symmetrical with each other is formed in two ends of the arc-shaped yoke plate correspondingly, and after the first splicing groove and the second splicing groove are clamped with each other, the arc-shaped yoke plate and the stator iron core tooth slot are spliced.
Further, the number of the stator core teeth columns is 12, and correspondingly, the number of the stator core yoke modules is 12.
Advantageous effects
According to the stator core of the tooth-yoke separated motor, provided by the utility model, the stator core teeth and the stator core yoke parts formed by the stator core yoke part modules with the integral structure are spliced and matched, the stator core teeth and the stator core yoke parts are arranged in a separated mode, so that the waste of stator core manufacturing materials can be effectively reduced, meanwhile, the difficulty in stator core production is greatly reduced, the production and manufacturing process are optimized, the production and manufacturing cost of the motor are reduced, the problem that the slot filling rate of the existing tooth-yoke separated closed slot motor is lower is solved, the power density of the motor is further improved, the production and assembly process of the motor is improved, the requirements of the stator core on a special insulation framework and a special fixture are reduced, the automation and large-scale production of the motor are easy, and the production and manufacturing cost of enterprises are reduced.
Compared with the integral tooth yoke separation design scheme, when the stator core yoke module is assembled, the motor adopting the scheme can apply certain pressure to the insulating framework, so that the arrangement of copper wire windings in the insulating framework is more compact, the slot filling rate is improved, and the power density of the motor is further improved.
Compared with the integral tooth yoke separation design scheme, the motor adopting the scheme is more convenient in the assembly process and higher in efficiency, and can fill the technical blank in the domestic field.
Drawings
Fig. 1 is a schematic structural view of a stator core of a tooth-yoke separation type motor according to the present utility model;
Fig. 2 is a schematic view of a first view of a stator core tooth module in a stator core of a tooth-yoke separation type motor according to the present utility model;
Fig. 3 is a second view schematically illustrating a stator core tooth module in a stator core of a tooth-yoke separation type motor according to the present utility model;
Fig. 4 is a first view of a stator core tooth lamination and a stator core yoke lamination in a stator core of a tooth-yoke separated motor according to the present utility model after being spliced;
Fig. 5 is a second view of a stator core tooth lamination and a stator core yoke lamination in a stator core of a tooth-yoke separated motor according to the present utility model after being spliced;
Fig. 6 is a schematic diagram of a stator core yoke lamination structure in a stator core of a tooth-yoke separation type motor according to the present utility model;
Fig. 7 is a schematic diagram of another splicing structure of stator core tooth lamination and stator core yoke lamination in a stator core of a tooth-yoke separated motor according to the present utility model;
Fig. 8 is a schematic view of an electronic stator core formed by another splicing structure of stator core tooth laminations and stator core yoke laminations in a stator core of a tooth-yoke separated motor according to the present utility model;
fig. 9 is an effect diagram of the stator core of the tooth-yoke separation type motor provided by the utility model after an insulating framework is installed.
The graphic indicia:
1-stator core tooth part modules, 101-stator core sleeves, 102-stator core tooth columns, 103-insulation framework mounting grooves, 104-stator core tooth part laminates, 105-circular lantern rings, 106-stator core tooth plates, 107-stator core tooth grooves and 108-stator core tooth shoes;
2-stator core yoke module, 201-stator core yoke lamination;
3-the outer wall of the stator core;
4-a first splicing groove;
5-a second splice groove;
6-insulating skeleton.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, 2 and 9, a tooth-yoke separated motor stator core includes a stator core tooth module 1 and a stator core yoke module 2;
the stator core tooth module 1 comprises a stator core sleeve 101 for sleeving a rotor, and a plurality of stator core tooth columns 102 circumferentially arranged on the outer wall of the stator core sleeve 101, wherein insulating framework mounting grooves 103 for mounting and limiting an insulating framework 6 are formed between adjacent stator core tooth columns 102, and the specifications of the insulating framework mounting grooves 103 are the same;
The number of the stator core yoke modules 2 corresponds to the number of the insulating skeleton mounting grooves 103, and the stator core yoke modules are spliced with the outer ports of the insulating skeleton mounting grooves 103 respectively to realize the encapsulation of the insulating skeleton mounting grooves 103 into through grooves with two open ends;
After each stator core yoke module 2 and each insulating framework mounting groove 103 are spliced with each other, an annular stator core outer wall 3 concentric with the stator core sleeve 101 is formed, as shown in fig. 5.
As shown in fig. 2 to 6, in this embodiment, the stator core tooth module 1 is formed by stacking a plurality of stator core tooth laminations 104, and the stator core yoke module 2 is formed by stacking a plurality of stator core yoke laminations 201.
And the thickness of the stator core tooth laminations 104 is the same as the thickness of the stator core yoke laminations 201, and the number of stator core tooth laminations 104 is the same as the number of stator core yoke laminations 201.
As shown in fig. 2, the stator core tooth lamination 104 includes a circular collar 105, and a plurality of stator core tooth plates 106 circumferentially disposed on an outer wall of the circular collar 105, and stator core tooth slots 107 are formed between adjacent stator core tooth plates 106, and specifications of the stator core tooth slots 107 are the same;
laminating a plurality of stator core tooth laminates 104;
Each of the circular collars 105 constitutes the stator core sleeve 101;
Each of the stator core tooth plates 106 located in the same column forms the stator core tooth post 102;
Each stator core tooth slot 107 located in the same column forms the insulating frame mounting slot 103;
The circular lantern ring 105 and the stator core toothed plate 106 are integrally formed by steel sheet stamping.
In order to further increase the strength between the stator core tooth plate 106 and the circular collar 105 and to support the bottom side of the insulating frame in a mutually matched manner, the present embodiment further provides stator core tooth shoes 108 that are symmetrical to each other between the root of each stator core tooth plate 106 and the outer wall of the circular collar 105, as shown in fig. 3.
Specifically, the oblique sides of the adjacent 2 stator core teeth shoes 108 intersect each other to form the bottom wall of the stator core tooth slot 107.
As shown in fig. 6, in this embodiment, the stator core yoke lamination 201 is an arc-shaped yoke plate, and two ends of the arc-shaped yoke plate may be respectively spliced with the inner wall of the stator core slot 107.
Specifically, the arc-shaped yoke plate and the inner wall of the stator core slot 107 may be spliced by glue, as shown in fig. 1.
Or as shown in fig. 7 and 8, a first splicing groove 4 which is symmetrical to each other is formed at a port of each stator core tooth groove 107, and a second splicing groove 5 which is symmetrical to each other is formed at two ends of the arc-shaped yoke plate correspondingly, and after the first splicing groove 4 and the second splicing groove 5 are clamped to each other, the arc-shaped yoke plate and the stator core tooth groove 107 are spliced.
As a specific embodiment of the present solution, as shown in fig. 1 or 8, there are 12 stator core teeth columns 102, and correspondingly, there are 12 stator core yoke modules 2.
The above description is for the purpose of illustrating the embodiments of the present utility model and is not to be construed as limiting the utility model, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principle of the utility model.
Claims (10)
1. The stator core of the motor with separated tooth yokes is characterized by comprising a stator core tooth part module (1) and a stator core yoke part module (2);
The stator core tooth module (1) comprises a stator core sleeve (101) for sleeving a rotor and a plurality of stator core tooth columns (102) circumferentially arranged on the outer wall of the stator core sleeve (101), wherein insulating framework mounting grooves (103) are formed between adjacent stator core tooth columns (102), and the specifications of the insulating framework mounting grooves (103) are the same;
The number of the stator core yoke modules (2) corresponds to the number of the insulating framework mounting grooves (103), and the stator core yoke modules are spliced with the outer ports of the insulating framework mounting grooves (103) respectively;
After each stator core yoke module (2) and each insulating framework mounting groove (103) are spliced with each other, an annular stator core outer wall (3) concentric with the stator core sleeve (101) is formed.
2. A stator core for a tooth-yoke separated motor according to claim 1, characterized in that the stator core tooth module (1) is formed by stacking a plurality of stator core tooth laminations (104) on top of each other, and the stator core yoke module (2) is formed by stacking a plurality of stator core yoke laminations (201) on top of each other.
3. A tooth-yoke separated motor stator core according to claim 2, characterized in that the stator core tooth laminations (104) have the same thickness as the stator core yoke laminations (201) and the number of stator core tooth laminations (104) is the same as the number of stator core yoke laminations (201).
4. A stator core for a tooth-yoke separated motor according to claim 2 or 3, characterized in that the stator core tooth lamination (104) comprises a circular collar (105) and a plurality of stator core tooth plates (106) circumferentially arranged on the outer wall of the circular collar (105), stator core tooth slots (107) are formed between adjacent stator core tooth plates (106), and the specifications of the stator core tooth slots (107) are the same.
5. A stator core for a tooth-yoke separated motor as claimed in claim 4, characterized in that a stator core tooth shoe (108) is provided between the root of each stator core tooth plate (106) and the outer wall of the circular collar (105) symmetrically with respect to each other.
6. A stator core for a tooth-yoke separated motor as claimed in claim 5, characterized in that the oblique sides of adjacent 2 teeth shoes (108) of said stator core are intersected with each other to form the bottom wall of said tooth slot (107) of said stator core.
7. The stator core of a tooth-yoke separation type motor according to claim 4, wherein the stator core yoke lamination (201) is an arc-shaped yoke plate, and two ends of the arc-shaped yoke plate can be respectively spliced with the inner wall of the stator core tooth slot (107).
8. The stator core of a tooth-yoke separated motor as claimed in claim 7, wherein the arc-shaped yoke plates are spliced with the inner wall of the stator core slot (107) by glue.
9. A stator core for a tooth-yoke separated motor according to claim 7, characterized in that first splicing grooves (4) symmetrical to each other are formed at the ports of the tooth grooves (107) of each of the stator cores, and correspondingly, at both ends of the arc-shaped yoke plate
And the second splicing grooves (5) are symmetrically arranged, and after the first splicing grooves (4) are clamped with the second splicing grooves (5), the arc-shaped yoke plates are spliced with the tooth grooves (107) of the stator core.
10. A tooth-yoke separated motor stator core according to claim 1, characterized in that there are 12 stator core teeth (102) and correspondingly 12 stator core yoke modules (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322702308.8U CN221202244U (en) | 2023-10-09 | 2023-10-09 | Tooth yoke separation type motor stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322702308.8U CN221202244U (en) | 2023-10-09 | 2023-10-09 | Tooth yoke separation type motor stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221202244U true CN221202244U (en) | 2024-06-21 |
Family
ID=91492068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322702308.8U Active CN221202244U (en) | 2023-10-09 | 2023-10-09 | Tooth yoke separation type motor stator core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221202244U (en) |
-
2023
- 2023-10-09 CN CN202322702308.8U patent/CN221202244U/en active Active
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| GR01 | Patent grant |