CN113965031A - Welding tool with stress compensation function for stator - Google Patents
Welding tool with stress compensation function for stator Download PDFInfo
- Publication number
- CN113965031A CN113965031A CN202111286026.3A CN202111286026A CN113965031A CN 113965031 A CN113965031 A CN 113965031A CN 202111286026 A CN202111286026 A CN 202111286026A CN 113965031 A CN113965031 A CN 113965031A
- Authority
- CN
- China
- Prior art keywords
- stator
- lamination
- compensation
- stator core
- welding tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 28
- 238000003475 lamination Methods 0.000 claims abstract description 84
- 210000001061 forehead Anatomy 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 1
- VQKWAUROYFTROF-UHFFFAOYSA-N arc-31 Chemical compound O=C1N(CCN(C)C)C2=C3C=C4OCOC4=CC3=NN=C2C2=C1C=C(OC)C(OC)=C2 VQKWAUROYFTROF-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model provides a welding frock for stator with stress compensation function, includes stator core, stator core constitute by a plurality of welded stator lamination that link to each other, the at least one end of stator core is equipped with a plurality of compensation lamination, the compensation lamination constitute by rigid cambered surface and lamination forehead portion, the convex cambered surface of rigid cambered surface links to each other with the stator lamination, the lamination forehead portion extends outwards along the edge level of rigid cambered surface. The welding tool is additionally provided with the compensation lamination at the top of the stator core, internal stress generated inside the stator lamination during welding is eliminated through the rigid cambered surface on the compensation lamination, the deformation of the stator core is reduced on the premise of not changing the welding mode of the stator lamination, and the production quality of stator products is improved.
Description
Technical Field
The invention relates to a welding tool for a stator, in particular to a welding tool for a stator with a stress compensation function.
Background
The stator and the rotor are the two most important components in the motor, the stator is used for generating a rotating magnetic field, and the rotor is used for being cut by magnetic lines in the rotating magnetic field so as to generate output current. The common stator comprises a stator core, a stator winding and a machine base, wherein the stator core is composed of a plurality of stacked stator laminations, when the external welding work of the stator laminations is carried out, the internal stress opposite to the welding direction can be generated inside the stator laminations, if the internal stress inside the stator laminations can not be eliminated, the produced stator core can deform, and the deformation of the stator core can be increased along with the increase of the stator laminations to influence the production quality of a stator product.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a welding tool for a stator with a stress compensation function.
The utility model provides a welding frock for stator with stress compensation function, includes stator core, stator core constitute by a plurality of welded stator lamination that link to each other, stator core one end at least is equipped with a plurality of compensation lamination, the compensation lamination constitute by rigid cambered surface and lamination forehead, the convex cambered surface of rigid cambered surface links to each other with the stator lamination, the lamination forehead extends outwards along the edge level of rigid cambered surface, the horizontal distance between the center of rigid cambered surface and the edge is half of the outside extension distance of lamination forehead.
Further, the stator laminations in the stator core are welded from top to bottom and the stator laminations at the top of the stator core are connected with the compensation laminations.
Further, the number of the stator core top compensation lamination is one or two.
Further, the side of the rigid cambered surface facing away from the stator lamination is flush with the lamination forehead.
Further, the length of the compensation lamination is the same as the length of the stator lamination.
Still further, the thickness of the compensation lamination is greater than the thickness of the stator lamination.
Has the advantages that: the invention discloses a welding tool for a stator with a stress compensation function, which is characterized in that a compensation lamination is additionally arranged at the top of a stator core, internal stress generated in the welding process of the stator lamination is eliminated through a rigid cambered surface on the compensation lamination, the deformation of the stator core is reduced on the premise of not changing the welding mode of the stator lamination, and the production quality of a stator product is improved.
Drawings
FIG. 1 is a schematic structural view of a welding fixture for a stator;
in the figure: 1. stator core 2, stator lamination 3, compensation lamination 31, rigid cambered surface 32, lamination forehead portion.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the following examples and the accompanying drawings, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1, a welding fixture for a stator with a stress compensation function includes a stator core 1, the stator core 1 is composed of a plurality of stator laminations 2 welded and connected, at least one end of the stator core 1 is provided with a plurality of compensation laminations 3, the compensation laminations 3 are composed of rigid arc surfaces 31 and lamination forehead portions 32, the convex arc surfaces of the rigid arc surfaces 31 are connected with the stator laminations 2, the lamination forehead portions 32 extend outwards horizontally along the edges of the rigid arc surfaces 31, and the horizontal distance between the centers and the edges of the rigid arc surfaces 31 is half of the outward extension distance of the lamination forehead portions 32.
In the present embodiment, the stator laminations 2 in the stator core 1 are welded from top to bottom, and the stator laminations 2 on the top of the stator core 1 are connected with the compensation laminations 3.
In this embodiment, the number of the top compensation lamination 3 of the stator core 1 is one or two.
In the present exemplary embodiment, the side of the rigid curved surface 31 facing away from the stator lamination 2 is flush with the lamination forehead 32.
In the present embodiment, the length of the compensating laminations 3 is the same as the length of the stator laminations 2.
In the present embodiment, the thickness of the compensation laminations 3 is greater than the thickness of the stator laminations 2.
The working condition is as follows: as shown in fig. 1, when welding the stator lamination 2, the stator lamination 2 is welded from top to bottom, so that the inside of the stator lamination 2 generates an internal stress, and the direction of the internal stress is from bottom to top, and at this time, the stator lamination 2 should be deformed upwards under the action of the internal stress, but due to the existence of the rigid arc 31 on the compensation lamination 3, the stator lamination 2 can be deformed under the resistance opposite to the direction of the internal stress, so that the internal stress inside the stator lamination 2 is eliminated forcibly.
The welding tool is additionally provided with the compensation lamination at the top of the stator core, internal stress generated inside the stator lamination during welding is eliminated through the rigid cambered surface on the compensation lamination, the deformation of the stator core is reduced on the premise of not changing the welding mode of the stator lamination, and the production quality of stator products is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The welding tool with the stress compensation function for the stator comprises a stator core, wherein the stator core is composed of a plurality of stator laminations which are welded and connected, the welding tool is characterized in that at least one end of the stator core is provided with a plurality of compensation laminations, each compensation lamination is composed of a rigid arc surface and a lamination forehead portion, the convex arc surface of each rigid arc surface is connected with the corresponding stator lamination, the lamination forehead portions extend outwards along the edge of each rigid arc surface horizontally, and the horizontal distance between the center and the edge of each rigid arc surface is half of the outward extending distance of the lamination forehead portion.
2. The welding tool for the stator with the stress compensation function as claimed in claim 1, wherein the stator laminations in the stator core are welded from top to bottom, and the stator laminations at the top of the stator core are connected with the compensation laminations.
3. The welding tool for the stator with the stress compensation function as claimed in claim 2, wherein the number of the stator core top compensation lamination sheets is one or two.
4. The welding tool for the stator with the stress compensation function as claimed in claim 1, wherein the side face, away from the stator lamination, of the rigid cambered surface is flush with the lamination forehead.
5. The welding tool for the stator with the stress compensation function as claimed in claim 1, wherein the length of the compensation lamination is the same as that of the stator lamination.
6. The welding tool for the stator with the stress compensation function as claimed in claim 1, wherein the thickness of the compensation lamination is larger than that of the stator lamination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111286026.3A CN113965031B (en) | 2021-11-02 | 2021-11-02 | Welding tool with stress compensation function for stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111286026.3A CN113965031B (en) | 2021-11-02 | 2021-11-02 | Welding tool with stress compensation function for stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113965031A true CN113965031A (en) | 2022-01-21 |
| CN113965031B CN113965031B (en) | 2024-05-03 |
Family
ID=79468864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111286026.3A Active CN113965031B (en) | 2021-11-02 | 2021-11-02 | Welding tool with stress compensation function for stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113965031B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989770A (en) * | 2010-08-12 | 2011-03-23 | 许晓华 | Motor stator structure |
| CN103457421A (en) * | 2013-10-09 | 2013-12-18 | 南车株洲电机有限公司 | Method for eliminating stress of silicon steel sheet laminated motor base by means of efficient and high energy |
| CN105490465A (en) * | 2014-10-03 | 2016-04-13 | 福特全球技术公司 | Motor core having separately processed rotor and stator laminations |
| US20180082960A1 (en) * | 2016-09-16 | 2018-03-22 | Ii-Vi Optoelectronic Devices, Inc. | Metallic, tunable thin film stress compensation for epitaxial wafers |
| CN107845569A (en) * | 2017-11-02 | 2018-03-27 | 江苏华功半导体有限公司 | A kind of compound substrate and preparation method thereof |
| CN209538651U (en) * | 2018-12-05 | 2019-10-25 | 天津富赢金属制品有限公司 | It is a kind of that stable scaffold support structure is installed |
| CN111384150A (en) * | 2018-12-29 | 2020-07-07 | 苏州能讯高能半导体有限公司 | Composite substrate, manufacturing method thereof and semiconductor device |
| CN112497435A (en) * | 2020-10-22 | 2021-03-16 | 横店集团东磁股份有限公司 | Permanent magnetic ferrite outer arc strong magnetic shoe mould |
| JP6944146B1 (en) * | 2020-08-03 | 2021-10-06 | トヨタ紡織株式会社 | Heat treatment method and heat treatment furnace |
-
2021
- 2021-11-02 CN CN202111286026.3A patent/CN113965031B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989770A (en) * | 2010-08-12 | 2011-03-23 | 许晓华 | Motor stator structure |
| CN103457421A (en) * | 2013-10-09 | 2013-12-18 | 南车株洲电机有限公司 | Method for eliminating stress of silicon steel sheet laminated motor base by means of efficient and high energy |
| CN105490465A (en) * | 2014-10-03 | 2016-04-13 | 福特全球技术公司 | Motor core having separately processed rotor and stator laminations |
| US20180082960A1 (en) * | 2016-09-16 | 2018-03-22 | Ii-Vi Optoelectronic Devices, Inc. | Metallic, tunable thin film stress compensation for epitaxial wafers |
| CN110235220A (en) * | 2016-09-16 | 2019-09-13 | Ii-Vi光电子设备有限公司 | The metal adjustable thin film stress compensation of epitaxial wafer |
| CN107845569A (en) * | 2017-11-02 | 2018-03-27 | 江苏华功半导体有限公司 | A kind of compound substrate and preparation method thereof |
| CN209538651U (en) * | 2018-12-05 | 2019-10-25 | 天津富赢金属制品有限公司 | It is a kind of that stable scaffold support structure is installed |
| CN111384150A (en) * | 2018-12-29 | 2020-07-07 | 苏州能讯高能半导体有限公司 | Composite substrate, manufacturing method thereof and semiconductor device |
| JP6944146B1 (en) * | 2020-08-03 | 2021-10-06 | トヨタ紡織株式会社 | Heat treatment method and heat treatment furnace |
| CN112497435A (en) * | 2020-10-22 | 2021-03-16 | 横店集团东磁股份有限公司 | Permanent magnetic ferrite outer arc strong magnetic shoe mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113965031B (en) | 2024-05-03 |
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Country or region after: China Address after: 212411 No. 16, Lingang science and technology entrepreneurship Park, Xiashu Town, Jurong City, Zhenjiang City, Jiangsu Province Applicant after: Jiangsu Lianbo Precision Technology Co.,Ltd. Address before: 212400 No.16 Lingang science and Technology Pioneer Park, Xiashu Town, Jurong City, Zhenjiang City, Jiangsu Province Applicant before: JIANGSU LIANBO PRECISION TECHNOLOGY Co.,Ltd. Country or region before: China |
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