CN114189076A - Laminated core assemblies for motors - Google Patents
Laminated core assemblies for motors Download PDFInfo
- Publication number
- CN114189076A CN114189076A CN202111424664.7A CN202111424664A CN114189076A CN 114189076 A CN114189076 A CN 114189076A CN 202111424664 A CN202111424664 A CN 202111424664A CN 114189076 A CN114189076 A CN 114189076A
- Authority
- CN
- China
- Prior art keywords
- core lamination
- lamination assembly
- iron core
- rotor
- rivet
- 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.)
- Pending
Links
- 230000000712 assembly Effects 0.000 title abstract description 5
- 238000000429 assembly Methods 0.000 title abstract description 5
- 238000003475 lamination Methods 0.000 claims abstract description 104
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000008569 process Effects 0.000 claims abstract description 40
- 238000002955 isolation Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 44
- 230000000694 effects Effects 0.000 abstract description 8
- 239000013585 weight reducing agent Substances 0.000 abstract description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
本发明公开了电机用铁芯叠片组件，包括转子铁芯叠片组件、铆钉和工艺孔，第一转子铁芯叠片组件上围绕圆心阵列设有第一铆钉，第一铆钉右侧均开有第一工艺孔；第二转子铁芯叠片组件上围绕圆心阵列设有第二工艺孔，第二工艺孔右侧均设有第二铆钉，第二工艺孔和第二铆钉与第一铆钉和第一工艺孔的位置分别交替布置；本电机用铁芯叠片组件，采用铆钉连接铁芯叠片形成组件、设计第一工艺孔和第二工艺孔避让第二铆钉与第一铆钉头部并实现转子斜极和减重效果；且涉及的加工设备均采用通用工装和零件即可实现，无需设计专用工装，因此转子铁芯叠片组件的制造成本非常低廉，适合小批量的样机制造需求，并且也适用于制造不同尺寸的转子铁芯叠片组件。
The invention discloses an iron core lamination assembly for a motor, comprising a rotor iron core lamination assembly, a rivet and a process hole. The first rotor iron core lamination assembly is provided with first rivets in an array around a circle center, and the right side of the first rivet is open There is a first process hole; the second rotor core lamination assembly is provided with a second process hole in an array around the center of the circle, and the right side of the second process hole is provided with a second rivet, the second process hole and the second rivet and the first rivet and the positions of the first process holes are alternately arranged; the iron core lamination assembly for the motor adopts rivets to connect the iron core lamination forming components, and the first process holes and the second process holes are designed to avoid the second rivet and the first rivet head And realize the effect of rotor sloping pole and weight reduction; and the processing equipment involved can be realized by using general tooling and parts, no need to design special tooling, so the manufacturing cost of rotor core lamination assembly is very low, suitable for small batch prototype manufacturing needs , and is also suitable for the manufacture of rotor core lamination assemblies of different sizes.
Description
Technical Field
The invention relates to the technical field of iron core laminated assemblies, in particular to an iron core laminated assembly for a motor.
Background
The permanent magnet synchronous motor is composed of a stator, a rotor, an end cover and the like. The stator is basically the same as a common induction motor, and a lamination structure is adopted to reduce iron loss during the operation of the motor. The rotor can be made into solid or laminated by lamination. The armature winding can adopt a concentrated whole-pitch winding, and can also adopt a distributed short-pitch winding and an unconventional winding; the existing permanent magnet synchronous motor rotor core lamination is usually manufactured by adopting a stamping process, a buckling point is formed on the lamination during stamping, an assembly is formed between the lamination and the lamination in a self-buckling mode, and then the rotor core lamination assembly of the motor is formed by a plurality of rotor assembly oblique poles.
Disclosure of Invention
The invention aims to provide an iron core laminated assembly for a motor, which has the functions of avoiding rivet heads, realizing rotor oblique poles and reducing weight, and processing equipment related in the scheme can be realized by adopting general tools and parts without designing special tools, so that the manufacturing cost of the iron core laminated assembly is very low, the iron core laminated assembly is suitable for the manufacturing requirements of small-batch prototype machines, is also suitable for manufacturing the iron core laminated assemblies with different sizes, and can solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the iron core lamination assembly comprises a rotor iron core lamination assembly, rivets and process holes, wherein the iron core lamination assembly is divided into a first rotor iron core lamination assembly and a second rotor iron core lamination assembly, the rivets are divided into first rivets and second rivets, and the process holes are divided into first process holes and second process holes;
a first rivet is arranged on the first rotor core lamination assembly around the circle center array, and first process holes are formed in the right side of the first rivet; and a second process hole is formed in the second rotor core lamination assembly around the circle center array, a second rivet is arranged on the right side of the second process hole, and the positions of the second process hole and the second rivet, the positions of the first rivet and the positions of the first process hole are alternately arranged.
Preferably, the first rotor core lamination assembly and the second rotor core lamination assembly are the same in size, and when the circle centers of the first rotor core lamination assembly and the second rotor core lamination assembly are aligned up and down, the first rivet is inserted into the second technical hole, and the second rivet is inserted into the first technical hole.
Preferably, the circle centers of the first rotor core lamination assembly and the second rotor core lamination assembly are provided with shaft holes, and the rivet and the process hole are arranged outside the shaft holes.
Preferably, permanent magnets are disposed on both the first and second rotor core lamination assemblies in an annular array around the center of a circle.
Preferably, the circumferences of the first rotor core lamination assembly and the second rotor core lamination assembly are respectively provided with a magnetic isolation air groove, and one side of each magnetic isolation air groove, which is far away from the rotor core lamination assembly, is provided with a rotor groove in an annular array manner.
Preferably, the inner wall of the shaft hole is provided with a magnetism isolating layer.
Compared with the prior art, the invention has the following beneficial effects:
1. the iron core laminated assembly for the motor is characterized in that a first rivet is arranged on the first rotor iron core laminated assembly around a circle center array, and first process holes are formed in the right side of the first rivet; a second process hole is formed in the second rotor core lamination assembly around the circle center array, a second rivet is arranged on the right side of each second process hole, and the positions of the second process holes and the second rivets as well as the positions of the first rivets and the positions of the first process holes are alternately arranged; the second fabrication holes and the second rivets are alternately arranged with the first rivets and the first fabrication holes, so that interference of the head portions of the first rivets and the second rivets between the adjacent first rotor core lamination assembly and the second rotor core lamination assembly can be avoided, and the total weight of the rotor can be reduced through the first fabrication holes and the second fabrication holes.
2. The motor comprises an iron core laminated assembly, wherein the centers of a first rotor iron core laminated assembly and a second rotor iron core laminated assembly are both provided with shaft holes, and the inner wall of each shaft hole is provided with a magnetism isolating layer; magnetic isolation air grooves are formed in the circumferences of the first rotor core lamination assembly and the second rotor core lamination assembly, and rotor grooves are formed in one side, away from the rotor core lamination assembly, of each magnetic isolation air groove in an annular array mode; the setting of shaft hole and magnetism air proof air slot has the effect of effectively avoiding the self-interference of magnetic field.
3. The iron core laminated assembly for the motor adopts rivets to connect iron core laminated sheets to form the assembly, designs the first fabrication hole and the second fabrication hole to avoid the head part of the second rivet and the first rivet and realizes the rotor slant pole and the weight reduction effect; the first rotor core laminated assembly and the second rotor core laminated assembly are arranged in an adjacent mode obliquely, so that the effects of avoiding the second rivet and the first rivet and reducing friction force are effectively achieved; the processing equipment that relates to in this scheme all adopts general frock and part can realize, need not to design special frock, therefore rotor core lamination assembly's manufacturing cost is very cheap, is fit for the prototype manufacture demand of small batch to also be applicable to the rotor core lamination assembly of making not unidimensional.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a top plan view schematic of a first rotor core lamination assembly of the present invention;
fig. 2 is a top plan view schematic of a second rotor core lamination assembly of the present invention;
fig. 3 is a side cross-sectional structural view of a first rotor core lamination assembly of the present invention;
fig. 4 is an enlarged structural view at a position a of the core lamination assembly for a motor of the present invention.
In the figure: 1. a first rotor core lamination assembly; 2. a first rivet; 3. a first fabrication hole; 4. a second rivet; 5. a second fabrication hole; 6. a permanent magnet; 7. a shaft hole; 8. a magnetism isolating air tank; 9. a rotor slot; 10. a second rotor core lamination assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the core lamination assembly for a motor includes a rotor core lamination assembly, rivets and fabrication holes, wherein the core lamination assembly is divided into a first rotor core lamination assembly 1 and a second rotor core lamination assembly 10, the rivets are divided into a first rivet 2 and a second rivet 4, and the fabrication holes are divided into a first fabrication hole 3 and a second fabrication hole 5; a first rivet 2 is arranged on the first rotor core laminated assembly 1 around the circle center array, and first process holes 3 are formed in the right side of the first rivet 2; and a second fabrication hole 5 is formed in the second rotor core lamination assembly 10 around the circle center array, a second rivet 4 is arranged on the right side of the second fabrication hole 5, and the positions of the second fabrication hole 5 and the second rivet 4, and the positions of the first rivet 2 and the first fabrication hole 3 are alternately arranged respectively. The second tooling holes 5 and the second rivets 4 are alternately arranged with the first rivets 2 and the first tooling holes 3, so that the total weight of the rotor can be reduced by the first tooling holes 3 and the second tooling holes 5 while avoiding interference of the heads of the first rivets 2 and the second rivets 4 between the adjacent first rotor core lamination assembly 1 and the adjacent second rotor core lamination assembly 10. First rotor core lamination assembly 1 is the same with second rotor core lamination assembly 10 size, and when the centre of a circle of first rotor core lamination assembly 1 and second rotor core lamination assembly 10 aligns from top to bottom, first rivet 2 inserts in second fabrication hole 5, and second rivet 4 inserts in first fabrication hole 3. The assembly can be formed between the iron core laminations, the centers of the first rotor iron core lamination assembly 1 and the second rotor iron core lamination assembly 10 are respectively provided with a shaft hole 7, and the inner wall of the shaft hole 7 is provided with a magnetic isolating layer, so that the self-interference of a magnetic field is effectively avoided; the rivet and the fabrication hole are both arranged outside the shaft hole 7. Permanent magnets 6 are disposed in an annular array around the center of a circle on both the first rotor core lamination assembly 1 and the second rotor core lamination assembly 10. The circumferences of the first rotor core lamination assembly 1 and the second rotor core lamination assembly 10 are respectively provided with a magnetic isolation air groove 8, and one side of the magnetic isolation air groove 8, which is far away from the rotor core lamination assembly, is provided with a rotor groove 9 in an annular array mode. The iron core lamination assembly for the motor adopts rivets to connect iron core laminations to form an assembly, designs a first fabrication hole 3 and a second fabrication hole 5 to avoid the head parts of a second rivet 4 and a first rivet 2 and realizes the rotor slant pole and weight reduction effects; the first rotor core laminated assembly 1 and the second rotor core laminated assembly 10 are arranged in an adjacent mode, so that the effects of avoiding the second rivet 4 and the first rivet 2 and reducing friction force are effectively achieved; the processing equipment that relates to in this scheme all adopts general frock and part can realize, need not to design special frock, therefore the manufacturing cost of rotor core lamination subassembly is very cheap, is fit for the model machine manufacturing demand of small batch volume to also be applicable to and make not unidimensional rotor core lamination subassembly, avoided the limitation of production and effectively improved application scope.
In summary, the core lamination assembly for the motor is divided into a first rotor core lamination assembly 1 and a second rotor core lamination assembly 10, the rivets are divided into a first rivet 2 and a second rivet 4, and the fabrication holes are divided into a first fabrication hole 3 and a second fabrication hole 5; a first rivet 2 is arranged on the first rotor core laminated assembly 1 around the circle center array, and first process holes 3 are formed in the right side of the first rivet 2; and a second fabrication hole 5 is formed in the second rotor core lamination assembly 10 around the circle center array, a second rivet 4 is arranged on the right side of the second fabrication hole 5, and the positions of the second fabrication hole 5 and the second rivet 4, and the positions of the first rivet 2 and the first fabrication hole 3 are alternately arranged respectively. The iron core lamination assembly for the motor adopts rivets to connect iron core laminations to form an assembly, designs a first fabrication hole 3 and a second fabrication hole 5 to avoid the head parts of a second rivet 4 and a first rivet 2 and realizes the rotor slant pole and weight reduction effects; the first rotor core laminated assembly 1 and the second rotor core laminated assembly 10 are arranged in an adjacent mode, so that the effects of avoiding the second rivet 4 and the first rivet 2 and reducing friction force are effectively achieved; the processing equipment that relates to in this scheme all adopts general frock and part can realize, need not to design special frock, therefore the manufacturing cost of rotor core lamination subassembly is very cheap, is fit for the model machine manufacturing demand of small batch volume to also be applicable to and make not unidimensional rotor core lamination subassembly, avoided the limitation of production and effectively improved application scope.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111424664.7A CN114189076A (en) | 2021-11-27 | 2021-11-27 | Laminated core assemblies for motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111424664.7A CN114189076A (en) | 2021-11-27 | 2021-11-27 | Laminated core assemblies for motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114189076A true CN114189076A (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111424664.7A Pending CN114189076A (en) | 2021-11-27 | 2021-11-27 | Laminated core assemblies for motors |
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| CN (1) | CN114189076A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437698A (en) * | 2011-12-31 | 2012-05-02 | 天津荣亨集团股份有限公司 | Rotor structure of permanent-magnet submersible motor with starting squirrel cage |
| CN203339916U (en) * | 2013-07-02 | 2013-12-11 | 杭州通灵自动化股份有限公司 | Permanent-magnet synchronous motor rotor |
| CN206135582U (en) * | 2016-08-31 | 2017-04-26 | 广州精传科技有限公司 | Rotor sectional type is utmost point structure to one side |
| CN206206399U (en) * | 2016-09-30 | 2017-05-31 | 宁波合盛磁业有限公司 | A kind of magnetic bearing magnet |
| CN208128011U (en) * | 2018-05-10 | 2018-11-20 | 苏州朗高电机有限公司 | A segmented rotor structure of permanent magnet motor |
| CN213243660U (en) * | 2020-07-27 | 2021-05-18 | 安徽中磁高科有限公司 | Permanent magnet rotor for permanent magnet synchronous motor |
| CN216981636U (en) * | 2021-11-27 | 2022-07-15 | 万向集团公司 | Iron core laminated piece assembly for motor |
-
2021
- 2021-11-27 CN CN202111424664.7A patent/CN114189076A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437698A (en) * | 2011-12-31 | 2012-05-02 | 天津荣亨集团股份有限公司 | Rotor structure of permanent-magnet submersible motor with starting squirrel cage |
| CN203339916U (en) * | 2013-07-02 | 2013-12-11 | 杭州通灵自动化股份有限公司 | Permanent-magnet synchronous motor rotor |
| CN206135582U (en) * | 2016-08-31 | 2017-04-26 | 广州精传科技有限公司 | Rotor sectional type is utmost point structure to one side |
| CN206206399U (en) * | 2016-09-30 | 2017-05-31 | 宁波合盛磁业有限公司 | A kind of magnetic bearing magnet |
| CN208128011U (en) * | 2018-05-10 | 2018-11-20 | 苏州朗高电机有限公司 | A segmented rotor structure of permanent magnet motor |
| CN213243660U (en) * | 2020-07-27 | 2021-05-18 | 安徽中磁高科有限公司 | Permanent magnet rotor for permanent magnet synchronous motor |
| CN216981636U (en) * | 2021-11-27 | 2022-07-15 | 万向集团公司 | Iron core laminated piece assembly for motor |
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