CN110504801B - Hot sleeve positioning device for motor stator core and shell - Google Patents
Hot sleeve positioning device for motor stator core and shell Download PDFInfo
- Publication number
- CN110504801B CN110504801B CN201910880071.8A CN201910880071A CN110504801B CN 110504801 B CN110504801 B CN 110504801B CN 201910880071 A CN201910880071 A CN 201910880071A CN 110504801 B CN110504801 B CN 110504801B
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- positioning
- stator core
- opening
- mounting table
- casing
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- 238000003825 pressing Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a thermal sleeve positioning device for a motor stator core and a shell, wherein the shell comprises a shell body, a first opening formed in one end of the shell body, an end cover arranged at the other end of the shell body, and a shaft hole formed in the end cover, the stator core can be embedded into the shell body from the first opening, the positioning device comprises a base, a first mounting table arranged on the base, a first positioning component sleeved on the first mounting table and coaxially arranged with the first mounting table, and a second positioning component embedded in the first positioning component and coaxially arranged with the first positioning component, the first positioning component can be embedded in the stator core in a matched manner, one end of the second positioning component is connected to the shaft center of the first mounting table, and the other end of the second positioning component can be penetrated into the shaft hole in a matched manner. The hot jacket positioning device for the motor stator core and the shell can effectively position the shell and the stator core, ensures the coaxiality between the stator core and the shell, and improves the hot jacket assembly efficiency.
Description
Technical Field
The invention relates to a hot sleeve positioning device for a motor stator core and a machine shell.
Background
In the motor manufacturing industry, a hot jacket process is a common mode for assembling a stator core and a shell, namely, the shell is heated firstly, so that the size of the deformed inner diameter of the shell becomes larger after being heated, clearance fit is formed between the shell and the stator, and the clearance fit becomes interference fit along with the temperature reduction of the shell, so that the shell is firmly sleeved on the outer wall of the stator core.
However, in the prior art, the casing is usually directly sleeved on the stator core, but the coaxiality of the stator core and the casing is difficult to ensure in the mode, the axial and radial distances between the stator core and the casing are difficult to meet the requirements, a series of problems such as insufficient assembly of the casing, inconsistent tightness of the casing on the stator core and the like are caused, and the cost is greatly increased when the casing is reprocessed and re-sleeved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a hot jacket positioning device for a motor stator core and a shell, which can effectively position the shell and the stator core, ensure the coaxiality between the stator core and the shell, improve the hot jacket assembly efficiency and save the cost.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a hot jacket positioner for motor stator core and casing, the stator core and the casing of motor are in the assembly location of hot jacket technology down, the casing include the casing, set up in the first opening of casing one end, locate the end cover of casing other end, set up in shaft hole on the end cover, stator core can follow first opening embedding in the casing, positioner includes the base, locates first mount table on the base, cover locate on the first mount table and with the first locating component of the coaxial setting of first mount table, inlay locate in the first locating component and with the coaxial setting of first locating component second locating component, first locating component can be matched and inlay locate in the stator core, second locating component one end be connected in the axle center department of first mount table, the other end can be matched wear to locate in the shaft hole.
Preferably, the first positioning component comprises a first positioning shaft and a second opening formed in one end of the first positioning shaft, and the first mounting table can be clamped in the second opening in a matched mode.
Preferably, the second positioning assembly comprises a second positioning shaft, a third opening formed in one end of the second positioning shaft, an elastic piece embedded in the second positioning shaft and one end of which penetrates out of the third opening, and a third positioning shaft which is arranged at the axle center of the first mounting table and can be matched with the elastic piece to be inserted into one end of the elastic piece penetrating out of the third opening.
Further preferably, the positioning device further includes a bolt capable of passing through the base and the first mounting table in sequence and being inserted into the third positioning shaft.
Still preferably, the casing further includes a bearing cavity disposed on the end cover and disposed in the housing and used for accommodating a bearing, the shaft hole is disposed on a cavity wall of the bearing cavity and is disposed concentrically with the bearing cavity, the second positioning assembly further includes a clamping portion disposed on the second positioning shaft and disposed at an end of the second positioning shaft away from the third opening and coaxial with the second positioning shaft, and the second positioning shaft is disposed at an end of the second positioning shaft away from the third opening and is capable of being matched with the clamping portion and penetrating out of the shaft hole.
Still further preferably, the positioning device further includes a pressing plate disposed on a side of the end cover away from the base, and the clamping portion can penetrate through the shaft hole and be clamped in the pressing plate.
Still further preferably, the positioning device further comprises a through hole formed at the axis of the pressing plate, and the clamping and embedding part is arranged in the through hole in a penetrating manner.
Preferably, the positioning device further comprises a second mounting table and a positioning sleeve, wherein the second mounting table is arranged between the first mounting table and the base and is coaxially arranged with the first mounting table, one end of the positioning sleeve is sleeved on the second mounting table, and the other end of the positioning sleeve can be matched and clamped in the first opening.
Further preferably, the two ends of the positioning sleeve are respectively provided with a fourth opening, and the second mounting table can be embedded in the fourth opening of one end, far away from the first opening, of the positioning sleeve in a matched manner.
Still further preferably, a peripheral portion of the fourth opening of the positioning sleeve near the one end of the first opening surrounds the outer peripheral portion of the stator core.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the hot jacket positioning device for the motor stator core and the shell, through the arrangement of the first positioning component and the second positioning component, the shell and the stator core can be effectively positioned, coaxiality between the stator core and the shell is guaranteed, hot jacket assembly efficiency is improved, and cost is saved.
Drawings
FIG. 1 is a schematic axial cross-section of the present invention;
fig. 2 is a schematic perspective view of the present invention.
Wherein: 1. a base; 2. a first mounting table; 3. a first positioning assembly; 3a, a first positioning shaft; 3b, a second opening; 4. a second positioning assembly; 4a, a second positioning shaft; 4b, a third opening; 4c, an elastic piece; 4d, a third positioning shaft; 4e, a clamping and embedding part; 5. a bolt; 6. a pressing plate; 7. a through hole; 8. a second mounting table; 9. a positioning sleeve;
100. a stator core; 101. a housing; 101a, a housing; 101b, end caps; 101c, a shaft hole; 101d, bearing cavity.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, a thermal sleeve positioning device for a stator core and a casing of a motor is provided, wherein the thermal sleeve positioning device is used for assembling and positioning a stator core 100 and a casing 101 of the motor under a thermal sleeve process, the casing 101 comprises a casing 101a, a first opening formed at one end of the casing 101a, an end cover 101b formed at the other end of the casing 101a, and a shaft hole 101c formed on the end cover 101b, the stator core 100 can be embedded into the casing 101 from the first opening, the positioning device comprises a base 1, a first mounting table 2 formed on the base 1, a first positioning component 3 sleeved on the first mounting table 2 and coaxially arranged with the first mounting table 2, and a second positioning component 4 embedded in the first positioning component 3 and coaxially arranged with the first positioning component 3, wherein one end of the second positioning component 4 is connected to the shaft center of the first mounting table 2, and the other end of the second positioning component 4 can be matched and is penetrated into the shaft hole 101c. In the present embodiment, the casing 101a and the end cover of the casing 101 are integrally provided, and are heated by a high-frequency heating apparatus, so that the heating speed is high and the heating temperature is uniform. The high-frequency heating apparatus is the prior art, and the specific structure is not described in detail.
Here, through the setting of first locating component 3 and second locating component 4, can effectually fix a position casing 101 and stator core 100, guarantee the axiality between stator core 100 and the casing 101, improve the efficiency of shrink fit assembly, practiced thrift the cost. Specifically, the first positioning component 3 is sleeved on the first mounting table 2 and is coaxially arranged with the first mounting table 2, the second positioning component 4 is embedded in the first positioning component 3 and is coaxially arranged with the first positioning component 3, the first positioning component 3 can be embedded in the stator core 100 in a matched manner, one end of the second positioning component 4 is connected to the axle center of the first mounting table 2, and the other end of the second positioning component 4 can be matched with the axle hole 101c in a penetrating manner. The above arrangement ensures concentricity of the shaft hole 101c and the inner hole of the stator core 100, and ensures coaxiality of the casing 101 and the stator core 100.
The first positioning component 3 comprises a first positioning shaft 3a and a second opening 3b formed at one end of the first positioning shaft 3a, and the first mounting table 2 can be matched and clamped in the second opening 3 b. Here, the first opening 3b extends outward on the circumferential side and is fixed to the base 1 by fastening bolts.
The second positioning assembly 4 comprises a second positioning shaft 4a, a third opening 4b formed in one end of the second positioning shaft 4a, an elastic piece 4c embedded in the second positioning shaft 4a and one end of the elastic piece penetrates out of the third opening 4b, and a third positioning shaft 4d mounted at the axis of the first mounting table 2 and capable of being matched with the first positioning shaft and inserted into one end of the elastic piece 4c penetrating out of the third opening 4 b. Here, the positioning device further includes a bolt 5 that can sequentially pass through the base 1 and the first mounting table 2 and is inserted into the third positioning shaft 4d, and the third positioning shaft 4d can be well fixed to the first mounting table 2 by the arrangement of the bolt 5. In this embodiment, the elastic member 4c is a spring, and after the shrink fit is completed, the casing 101 can be quickly detached from the positioning device under the action of the spring, thereby improving the working efficiency.
In this embodiment, the casing 101 further includes a bearing cavity 101d disposed on the end cover 101b and located in the casing 101a and used for placing a bearing, the shaft hole 101c is located on a cavity wall of the bearing cavity 101d and is concentrically disposed with the bearing cavity 101d, the second positioning assembly 4 further includes a clamping and embedding portion 4e disposed at one end of the second positioning shaft 4a away from the third opening 4b and coaxially disposed with the second positioning shaft 4a, and one end of the second positioning shaft 4a away from the third opening 4b can be matched and embedded in the bearing cavity 101d and the shaft hole 101c through which the clamping and embedding portion 4e can be matched.
The positioning device further comprises a pressing plate 6 arranged on one side of the end cover 101b away from the base 1, and a through hole 7 formed in the axis of the pressing plate 6, wherein the clamping and embedding part 4e can penetrate out of the shaft hole 101c and penetrate into the through hole 7. Here, the stability of the positioning device at the time of shrink-fitting of the casing 101 is ensured by the arrangement of the pressing plate 6.
In this embodiment, the positioning device further includes a second mounting table 8 disposed between the first mounting table 2 and the base 1 and coaxially disposed with the first mounting table 2, and a positioning sleeve 9 with one end sleeved on the second mounting table 8, where the other end of the positioning sleeve 9 can be embedded in the first opening in a matching manner. Through the setting of locating sleeve 9, can ensure the distance between stator core 100 outer wall and the casing 101 inner wall, guarantee the radial distance compound requirement between casing 101 and the stator core 100 when hot set.
Specifically, the two ends of the positioning sleeve 9 are respectively provided with a fourth opening, the second mounting platform 8 can be matched and clamped in the fourth opening of one end, far away from the first opening, of the positioning sleeve 9, and the peripheral side part of the fourth opening, close to one end of the first opening, of the positioning sleeve 9 surrounds the peripheral part of the stator core 100. Here, the fourth opening peripheral side extends outward and is fixed to the base 1 by fastening bolts.
In this embodiment, the positioning device can position the cast aluminum housing and also can position the aluminum profile housing.
The working procedure of this embodiment is specifically described below: during hot sleeving, the stator core is sleeved on the first positioning shaft 3a, after the casing 101 is heated, the casing 101 is hot sleeved on the stator core 100, the first opening at the bottom of the casing 101 is sleeved on the positioning sleeve 9, the shaft hole 101c and the bearing cavity 101d are respectively sleeved on the clamping part 4e and the end part of the second positioning shaft 4a, finally the pressing plate 6 is covered, the clamping part is penetrated into the through hole 7 on the pressing plate 6, after the hot sleeving is completed, the pressing plate 6 is taken down, and the casing 101 and the stator core 100 assembled together are automatically dismounted under the action of the spring.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. A hot jacket positioner for motor stator core and casing for the assembly location of stator core (100) and casing (101) of motor under hot jacket technology, casing (101) include casing (101 a), set up in first opening of casing (101 a) one end, locate end cover (101 b) of casing (101 a) other end, set up in shaft hole (101 c) on end cover (101 b), stator core (100) can follow in first opening embedding casing (101), its characterized in that: the positioning device comprises a base (1), a first mounting table (2) arranged on the base (1), a first positioning assembly (3) sleeved on the first mounting table (2) and coaxially arranged with the first mounting table (2), and a second positioning assembly (4) embedded in the first positioning assembly (3) and coaxially arranged with the first positioning assembly (3), wherein the first positioning assembly (3) can be embedded in the stator core (100) in a matched manner, one end of the second positioning assembly (4) is connected to the axle center of the first mounting table (2), and the other end of the second positioning assembly (4) can be penetrated in the axle hole (101 c) in a matched manner;
the second positioning assembly (4) comprises a second positioning shaft (4 a), a third opening (4 b) formed in one end of the second positioning shaft (4 a), an elastic piece (4 c) embedded in the second positioning shaft (4 a) and one end of the elastic piece penetrates out of the third opening (4 b), and a third positioning shaft (4 d) which is installed at the axis of the first mounting table (2) and can be matched with the elastic piece (4 c) and inserted into one end of the elastic piece penetrating out of the third opening (4 b); the positioning device further comprises a bolt (5) which can sequentially pass through the base (1) and the first mounting table (2) and is inserted into the third positioning shaft (4 d);
the casing (101) is still including locating on end cover (101 b) and be located bearing chamber (101 d) that is used for placing the bearing in casing (101 a), shaft hole (101 c) are located on the chamber wall of bearing chamber (101 d) and with bearing chamber (101 d) set up concentrically, second locating component (4) are still including locating second locating shaft (4 a) keep away from the one end of third opening (4 b) and with inlay card portion (4 e) of coaxial setting of second locating shaft (4 a), second locating shaft (4 a) keep away from the one end of third opening (4 b) can be matched inlay card in bearing chamber (101 d) just inlay card portion (4 e) can be matched wear out shaft hole (101 c).
2. A shrink fit positioning device for a stator core and a housing of an electric machine as set forth in claim 1, wherein: the first positioning assembly (3) comprises a first positioning shaft (3 a) and a second opening (3 b) formed in one end of the first positioning shaft (3 a), and the first mounting table (2) can be embedded in the second opening (3 b) in a matched mode.
3. A shrink fit positioning device for a stator core and a housing of an electric machine as set forth in claim 1, wherein: the positioning device further comprises a pressing plate (6) arranged on one side, far away from the base (1), of the end cover (101 b), and the clamping and embedding part (4 e) can penetrate out of the shaft hole (101 c) and is clamped and embedded in the pressing plate (6).
4. A shrink fit positioning device for a stator core and a housing of an electric machine as set forth in claim 3, wherein: the positioning device further comprises a through hole (7) formed in the axis of the pressing plate (6), and the clamping and embedding part (4 e) penetrates through the through hole (7).
5. A shrink fit positioning device for a stator core and a housing of an electric machine as set forth in claim 1, wherein: the positioning device further comprises a second mounting table (8) which is arranged between the first mounting table (2) and the base (1) and is coaxially arranged with the first mounting table (2), and a positioning sleeve (9) with one end sleeved on the second mounting table (8), wherein the other end of the positioning sleeve (9) can be clamped and embedded in the first opening in a matched mode.
6. The shrink fit positioning device for a stator core and a housing of an electric machine of claim 5, wherein: the two ends of the locating sleeve (9) are respectively provided with a fourth opening, and the second mounting table (8) can be matched and clamped in the fourth opening, which is far away from one end of the first opening, of the locating sleeve (9).
7. The shrink fit positioning device for a stator core and a housing of an electric machine of claim 6, wherein: the peripheral side part of the fourth opening, which is close to one end of the first opening, of the positioning sleeve (9) surrounds the periphery of the stator core (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880071.8A CN110504801B (en) | 2019-09-18 | 2019-09-18 | Hot sleeve positioning device for motor stator core and shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880071.8A CN110504801B (en) | 2019-09-18 | 2019-09-18 | Hot sleeve positioning device for motor stator core and shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110504801A CN110504801A (en) | 2019-11-26 |
| CN110504801B true CN110504801B (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910880071.8A Active CN110504801B (en) | 2019-09-18 | 2019-09-18 | Hot sleeve positioning device for motor stator core and shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110504801B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111865008B (en) * | 2020-08-03 | 2023-03-03 | 诺丁汉(余姚)智能电气化研究院有限公司 | Motor stator core and casing assembly tool with adjustable positioning function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011097790A (en) * | 2009-10-30 | 2011-05-12 | Aisin Aw Co Ltd | Heating device and method for manufacturing stator |
| CN202276261U (en) * | 2011-11-04 | 2012-06-13 | 浙江众邦机电科技有限公司 | Tool for sleeving heated casing on stator |
| JP2012165491A (en) * | 2011-02-03 | 2012-08-30 | Asmo Co Ltd | Method for manufacturing stator and apparatus for manufacturing stator |
| CN202840762U (en) * | 2012-09-12 | 2013-03-27 | 宁波世通汽车零部件有限公司 | A motor and a device for pressing a bearing in the same |
| KR20180045143A (en) * | 2016-10-25 | 2018-05-04 | 현대위아 주식회사 | Motor of assembly enhancement type |
| CN108723699A (en) * | 2018-08-23 | 2018-11-02 | 温岭市九洲电机制造有限公司 | A kind of hot jacket positioning tool of stator core and casing |
| CN210225200U (en) * | 2019-09-18 | 2020-03-31 | 江苏富丽华通用设备股份有限公司 | Thermal sleeve positioning device for motor stator core and shell |
-
2019
- 2019-09-18 CN CN201910880071.8A patent/CN110504801B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011097790A (en) * | 2009-10-30 | 2011-05-12 | Aisin Aw Co Ltd | Heating device and method for manufacturing stator |
| JP2012165491A (en) * | 2011-02-03 | 2012-08-30 | Asmo Co Ltd | Method for manufacturing stator and apparatus for manufacturing stator |
| CN202276261U (en) * | 2011-11-04 | 2012-06-13 | 浙江众邦机电科技有限公司 | Tool for sleeving heated casing on stator |
| CN202840762U (en) * | 2012-09-12 | 2013-03-27 | 宁波世通汽车零部件有限公司 | A motor and a device for pressing a bearing in the same |
| KR20180045143A (en) * | 2016-10-25 | 2018-05-04 | 현대위아 주식회사 | Motor of assembly enhancement type |
| CN108723699A (en) * | 2018-08-23 | 2018-11-02 | 温岭市九洲电机制造有限公司 | A kind of hot jacket positioning tool of stator core and casing |
| CN210225200U (en) * | 2019-09-18 | 2020-03-31 | 江苏富丽华通用设备股份有限公司 | Thermal sleeve positioning device for motor stator core and shell |
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| Publication number | Publication date |
|---|---|
| CN110504801A (en) | 2019-11-26 |
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