CN113965031B - Welding tool with stress compensation function for stator - Google Patents
Welding tool with stress compensation function for stator Download PDFInfo
- Publication number
- CN113965031B CN113965031B CN202111286026.3A CN202111286026A CN113965031B CN 113965031 B CN113965031 B CN 113965031B CN 202111286026 A CN202111286026 A CN 202111286026A CN 113965031 B CN113965031 B CN 113965031B
- Authority
- CN
- China
- Prior art keywords
- stator
- lamination
- compensation
- cambered surface
- stator core
- 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.)
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 24
- 238000003475 lamination Methods 0.000 claims abstract description 82
- 210000001061 forehead Anatomy 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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 stator is with welding frock with stress compensation function, includes stator core, stator core constitute by a plurality of welded connection's stator lamination, stator core at least one end is equipped with a plurality of compensation lamination, the compensation lamination constitute by rigidity cambered surface and lamination frontal portion, the protruding cambered surface of rigidity cambered surface links to each other with the stator lamination, lamination frontal portion outwards extends along the edge level of rigidity cambered surface. The compensation lamination is additionally arranged at the top of the stator core, internal stress generated in the welding process of the stator lamination is eliminated through the rigid cambered surface on the compensation lamination, the deformation of the stator core is reduced on the premise that the welding mode of the stator lamination is not changed, 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 most important two 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 of force 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 stator laminations stacked together, when the external welding work of the stator laminations is carried out, internal stress opposite to the welding direction can be generated in the stator laminations, if the internal stress of the stator laminations cannot be eliminated, the produced stator core can deform, the deformation of the stator core can be increased along with the increase of the stator laminations, and the production quality of stator products is affected.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a welding tool with a stress compensation function for a stator.
The utility model provides a stator is with welding frock with stress compensation function, includes stator core, stator core constitute by the stator lamination that a plurality of welding link to each other, stator core at least one end is equipped with a plurality of compensation laminations, the compensation lamination constitute by rigidity cambered surface and lamination frontal portion, the protruding cambered surface of rigidity cambered surface links to each other with the stator lamination, lamination frontal portion outwards extends along the edge level of rigidity cambered surface, the horizontal distance between the center of rigidity cambered surface and the edge is lamination frontal portion outwards extension distance's half.
Further, the stator lamination in the stator core is welded and connected from top to bottom, and the stator lamination positioned at the top of the stator core is connected with the compensation lamination.
Further, the number of the stator core top compensation laminations is one or two.
Further, the side surface of the rigid cambered surface, which is far away from the stator lamination, is flush with the lamination forehead.
Further, the length of the compensation laminations is the same as the length of the stator laminations.
Still further, the thickness of the compensation laminations is greater than the thickness of the stator laminations.
The beneficial effects are 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 stator products is improved.
Drawings
Fig. 1 is a schematic structural view of a welding tool for a stator;
In the figure: 1. stator core 2, stator lamination 3, compensation lamination 31, rigidity cambered surface 32, lamination frontal portion.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present invention, which examples are intended to be illustrative only and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1, a welding fixture for a stator with a stress compensation function comprises a stator core 1, the stator core 1 is composed of a plurality of stator laminations 2 which are 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 a rigid cambered surface 31 and lamination limit parts 32, a convex cambered surface of the rigid cambered surface 31 is connected with the stator laminations 2, the lamination limit parts 32 extend outwards along the edge level of the rigid cambered surface 31, and the horizontal distance between the center and the edge of the rigid cambered surface 31 is half of the outwards extending distance of the lamination limit parts 32.
In this embodiment, the stator lamination 2 in the stator core 1 is welded from top to bottom, and the stator lamination 2 located at the top of the stator core 1 is connected to the compensation lamination 3.
In this embodiment, the number of the top compensating laminations 3 of the stator core1 is one or two.
In this embodiment, the side of the rigid cambered surface 31 facing away from the stator lamination 2 is flush with the lamination frontal portion 32.
In this embodiment, the length of the compensation lamination 3 is the same as the length of the stator lamination 2.
In this embodiment, the thickness of the compensation lamination 3 is greater than the thickness of the stator lamination 2.
The working conditions are as follows: as shown in fig. 1, during the welding operation of the stator lamination 2, since the stator lamination 2 is welded from top to bottom, internal stress is generated inside the stator lamination 2, and the direction of the internal stress is from bottom to top, at this time, the stator lamination 2 should be deformed upwards by the action of the internal stress, but due to the existence of the rigid cambered surface 31 on the compensation lamination 3, the stator lamination 2 should be subjected to resistance opposite to the direction of the internal stress and cannot be deformed, so that the internal stress inside the stator lamination 2 is forcedly eliminated.
The compensation lamination is additionally arranged at the top of the stator core, internal stress generated in the welding process of the stator lamination is eliminated through the rigid cambered surface on the compensation lamination, the deformation of the stator core is reduced on the premise that the welding mode of the stator lamination is not changed, and the production quality of stator products is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. The welding tool for the stator with the stress compensation function comprises a stator core, wherein the stator core is formed by a plurality of stator laminations which are connected in a welded mode, and is characterized in that at least one end of the stator core is provided with a plurality of compensation laminations which are formed by a rigid cambered surface and lamination forehead, the convex cambered surface of the rigid cambered surface is connected with the stator laminations, the lamination forehead extends outwards horizontally along the edge of the rigid cambered surface, and the horizontal distance between the center of the rigid cambered surface and the edge is half of the outwards extending distance of the lamination forehead; stator lamination in the stator core is welded from top to bottom and is connected with the compensation lamination, and the number of the compensation lamination at the top of the stator core is one or two.
2. The welding fixture for a stator with a stress compensation function according to claim 1, wherein the side surface of the rigid cambered surface, which is far away from the stator lamination, is flush with the frontal part of the lamination.
3. The welding fixture for a stator with a stress compensation function according to claim 1, wherein the length of the compensation lamination is the same as the length of the stator lamination.
4. The welding fixture for a stator with a stress compensation function according to claim 1, wherein the thickness of the compensation lamination is greater than the thickness 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 CN113965031A (en) | 2022-01-21 |
| CN113965031B true 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 |
| 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 |
| 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 |
| 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 (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 |
| 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 |
|---|---|
| CN113965031A (en) | 2022-01-21 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
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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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |