CN201478897U - Rotor structure of high-power AC permanent magnet servo motor - Google Patents
Rotor structure of high-power AC permanent magnet servo motor Download PDFInfo
- Publication number
- CN201478897U CN201478897U CN2009201914870U CN200920191487U CN201478897U CN 201478897 U CN201478897 U CN 201478897U CN 2009201914870 U CN2009201914870 U CN 2009201914870U CN 200920191487 U CN200920191487 U CN 200920191487U CN 201478897 U CN201478897 U CN 201478897U
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- China
- Prior art keywords
- magnetic
- servo motor
- punching
- high power
- rotor
- 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.)
- Expired - Lifetime
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 241001589086 Bellapiscis medius Species 0.000 claims description 7
- 229910052755 nonmetal Inorganic materials 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003475 lamination Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 229910000976 Electrical steel Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Images
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a rotor structure of a high-power AC permanent magnet servo motor, which belongs to the technical field of servo motors. The rotor structure comprises a shaft, and a rotor iron core mounted on the shaft. The rotor structure is characterized in that the rotor iron core is manufactured by stamping a plurality of laminations with dovetail-shaped structures; the dovetail-shaped structures form a plurality of adjacent semi-closing cavities on the peripheral surface of the rotor iron core after the laminations are stacked; and magnets matched with the cavities are mounted in the cavities. The rotor structure with the unique groove-shaped structure has the advantages of stable structure, simple manufacture process, flexible expansibility and wide application range.
Description
Technical field
The utility model relates to a kind of rotor, especially relates to a kind of high power AC permanent magnetic servo motor rotor structure.
Background technology
At present, the development of China's alternating-current permanent-magnet servo motor is in elementary developing stage, the rotor of motor also progressively turns to external comparatively general rotor punching stacked by original solid shaft type design in design, this design not only helps production and processing, and greatly reduce the eddy current heat production phenomenon of rotor, thereby improved the service efficiency of motor.But occurred again thereupon that a very serious problem is exactly in the heavy-duty motor real work because after magnetic normally sticks to rotor outer surface, put non-magnetic conductive metal on the magnetic surface again, or the long and slender dimension of winding carbon, or engineering plastics or the like prevent that magnet steel from deviating from, but the suchlike way that prevents that magnet steel from deviating from all can not fundamentally be resolved, thereby needs the new rotor structure of research and development to guarantee the especially caducous problem of heavy-duty motor magnetic of motor.
The utility model content
The utility model has mainly solved the caducous technical problem of existing high power AC permanent-magnet servo motor magnetic, provides a kind of Stability Analysis of Structures, manufacturing process is simple, extensibility is flexible, the high power AC permanent magnetic servo motor rotor structure of wide accommodation.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals, a kind of high power AC permanent magnetic servo motor rotor structure, comprise rotating shaft, rotor core is installed in the rotating shaft, it is characterized in that: rotor core is overrided to form by some punchings with dovetail trench structure, the dovetail trench structure of punching, the external peripheral surface through being laminated on rotor core form several adjacent semi-enclosed cavity, and the magnetic that matches with cavity is installed in the cavity.
Of the present utility model further be provided with as follows:
Magnet steel catch and back magnet steel catch are fixed from two ends to the punching that laminates respectively before the axial rear and front end face of iron core is separately installed with a slice.
Rivet is integral the punching that is laminated is fixedly connected by even distribution and the rivet hole that runs through punching.
Punching is a permeability magnetic material, and the superimposed direction of punching is vertical with the magnetic flow direction.
The thickness of punching is 0.2 millimeter～1.0 millimeters.
Semi-enclosed cavity is provided with 8 altogether.
Magnetic adopts magnet steel, and magnet steel is affixed in the cavity by magnetic is gluing, and the gap of reserving between magnet steel and cavity is filled up by the heatproof filler.
Also be enclosed with nonmetal twister in the magnetic the inlayed outside, the outside that nonmetal twister is wound in magnetic is with magnetic and rotor core close-fitting mutually.
The beneficial effects of the utility model are as follows:
1, solved the caducous technical problem of existing high power AC permanent-magnet servo motor magnetic, unique grooved rotor punching can be inlayed magnetic with matching wherein fully, magnetic well is dissolved in the rotor block, the gap of appropriate work good grooved rotor punching and magnetic, between the gap, inject fillers such as magnetic glue, can avoid rotor or magnetic to cause magnetic directly cracked because of expanded by heating is uneven.
2, at the non-metallic materials of inlaying such as the long and slender dimension of magnetic outer surface winding carbon, prevent that further magnet steel from coming off.
3, at catch of axial each crimp of two end faces of rotor core, guaranteed the fastening of rotor core from axial direction.
4 rotor cores adopt silicon steel sheet to be formed by stacking, and have made things convenient for the correctability of rotor core, have avoided the waste of rotor core, reduce the generation of eddy current.
To sum up, the utlity model has the structural design uniqueness, manufacturing process is simple, and the extensibility of rotor core is flexible, characteristics such as wide accommodation, the especially unique design of grooved punching structure have thoroughly solved the caducous problem of high power AC permanent magnetic servo motor rotor magnet steel.
Below by embodiment, and in conjunction with the accompanying drawings, structural design of the present utility model is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model punching;
Fig. 3 is the structural representation of the utility model magnetic;
Fig. 4 is installed on the structural representation of rotor core for the utility model magnetic.
Fig. 5 is the utility model magnetic assembling structural representation after finishing.
Embodiment
As Fig. 1, Fig. 4, shown in Figure 5, a kind of high power AC permanent magnetic servo motor rotor structure of the present utility model, this rotor structure comprises rotating shaft 1, rotating shaft 1 can be designed as hollow or solid, in the present embodiment, rotating shaft 1 is set to hollow, the purpose of She Zhiing is to be convenient to widening of rotating shaft type like this, rotor core 2 is installed in the rotating shaft 1, rotor core 2 is overrided to form by some punchings 3, rivet 4 by even distribution and the rivet hole 8 that runs through punching 3 with punching 3 fixedly connected being integral that laminated, rivet 4 plays the effect of fastening punching 3, magnet steel catch 6 and back magnet steel catch 7 before the axial rear and front end face of the iron core 2 that punching 3 is overrided to form is pressed into a slice respectively are to fix preceding magnet steel catch 6 and the back magnet steel catch 7 preferred stainless steels that adopt respectively from two ends to the punching 3 that laminates.
In conjunction with Fig. 2, Fig. 3, shown in Figure 4, as the rotor part, the punching of adopting 3 is a permeability magnetic material, at present embodiment is silicon steel sheet, the superimposed direction of punching 3 is vertical with the magnetic flow direction, the rotor core 2 that uses this silicon steel sheet to be formed by stacking has the eddy current that is produced by magnetic flux on the minimizing rotor, reduce the caloric value of rotor, the arbitrarily punching 3 of closed assembly height in addition, also made things convenient for the correctability of rotor core 2, avoided the waste of rotor core 2, the thickness of punching 3 is preferably 0.2 millimeter---and 1.0 millimeters, thin punching 3 can reduce the generation of eddy current efficiently.The excircle of punching 3 is provided with unique dovetail trench structure, the distribution angle of grooved is suitable mutually with the number of poles of motor, can select 15～20 degree, has the rotor core 2 that the punching 3 of dovetail trench structure is overrided to form, its external peripheral surface has formed several adjacent semi-enclosed cavity 5, in the present embodiment, semi-enclosed cavity 5 is provided with 8 altogether, the magnetic 6 that matches with cavity 5 is affixed in the cavity 5 by magnetic is gluing, magnetic 6 is N, S is provided with at interval, magnetic 6 adopts magnet steel in the present embodiment, the gap of magnet steel and 5 reservations of cavity is filled up by the heatproof filler, this filler has played the effect of pasting magnet steel on the one hand, the effect of the free shrink overdose space when playing expanded by heating between magnet steel and rotor on the other hand.Also be enclosed with nonmetal twister 10 in magnetic 6 outsides of inlaying; nonmetal twister 10 plays and prevents rotor protective effect that magnetic 6 is easily deviate from owing to action of centrifugal force in the process of high speed rotating; nonmetal twister 10 can be selected glass fiber, the fine fiber cloth of carbon or band, heatproof engineering plastics etc.; have very high intensity and toughness, under very big impulse force, also can not break.
Again in conjunction with shown in Figure 5, assembling process of the present utility model is as follows: at first, the silicon steel sheet of selecting magnetic conduction for use is as rotor punching, the punching profile is unique dovetail grooved design, then the grooved rotor punching is overlapped into rotor core by rivet by certain altitude, in the cavity of rotor core lateral surface, adopt bonding mode to be inlaid into magnet steel, as the rotor core body, again the rotor core body is pressed onto on the machine shaft, and magnet steel catch and back magnet steel catch before laying respectively, fix back magnet steel catch by locking nut at last, promptly be assembled into the rotor of alternating-current permanent-magnet servo motor.
Advantage of the present utility model is as follows: the utlity model has the structural design uniqueness, manufacturing process is simple, the extensibility of rotor core is flexible, the characteristics such as wide accommodation, the especially unique design of grooved lamination structure have thoroughly solved the caducous problem of high-power alternating-current permanent magnet servo motor rotor magnetic steel.
Claims (8)
1. high power AC permanent magnetic servo motor rotor structure, comprise rotating shaft, rotor core is installed in the rotating shaft, it is characterized in that: rotor core is overrided to form by some punchings with dovetail trench structure, the dovetail trench structure of punching, external peripheral surface through being laminated on rotor core forms several adjacent semi-enclosed cavity, and the magnetic that matches with cavity is installed in the cavity.
2. a kind of high power AC permanent magnetic servo motor rotor structure as claimed in claim 1, it is characterized in that: magnet steel catch and back magnet steel catch before the axial rear and front end face of iron core is separately installed with a slice, fix from two ends to the punching that laminates respectively.
3. a kind of high power AC permanent magnetic servo motor rotor structure as claimed in claim 1 is characterized in that: rivet is integral the punching that is laminated is fixedly connected by even distribution and the rivet hole that runs through punching.
4. a kind of high power AC permanent magnetic servo motor rotor structure as claimed in claim 1, it is characterized in that: punching is a permeability magnetic material, the superimposed direction of punching is vertical with the magnetic flow direction.
5. as claim 1 or 4 described a kind of high power AC permanent magnetic servo motor rotor structures, it is characterized in that: the thickness of punching is 0.2 millimeter～1.0 millimeters.
6. a kind of high power AC permanent magnetic servo motor rotor structure as claimed in claim 1, it is characterized in that: semi-enclosed cavity is provided with 8 altogether.
7. a kind of high power AC permanent magnetic servo motor rotor structure as claimed in claim 1 is characterized in that: magnetic adopts magnet steel, and magnet steel is affixed in the cavity by magnetic is gluing, and the gap of reserving between magnet steel and cavity is filled up by the heatproof filler.
8. as claim 1 or 7 described a kind of high power AC permanent magnetic servo motor rotor structures, it is characterized in that: also be enclosed with nonmetal twister in the magnetic the inlayed outside, the outside that nonmetal twister is wound in magnetic is with magnetic and rotor core close-fitting mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201914870U CN201478897U (en) | 2009-08-20 | 2009-08-20 | Rotor structure of high-power AC permanent magnet servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201914870U CN201478897U (en) | 2009-08-20 | 2009-08-20 | Rotor structure of high-power AC permanent magnet servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201478897U true CN201478897U (en) | 2010-05-19 |
Family
ID=42415153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201914870U Expired - Lifetime CN201478897U (en) | 2009-08-20 | 2009-08-20 | Rotor structure of high-power AC permanent magnet servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201478897U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485787A (en) * | 2014-12-15 | 2015-04-01 | 哈尔滨电气动力装备有限公司 | Magnetic steel fixing process of permanent magnet motor rotor |
| CN108494131A (en) * | 2018-05-30 | 2018-09-04 | 深圳派赛科技有限公司 | A kind of permanent magnet machine rotor and motor |
| CN110391702A (en) * | 2019-08-07 | 2019-10-29 | 安徽德科电气科技有限公司 | A permanent magnet machine rotor magnetic circuit |
-
2009
- 2009-08-20 CN CN2009201914870U patent/CN201478897U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485787A (en) * | 2014-12-15 | 2015-04-01 | 哈尔滨电气动力装备有限公司 | Magnetic steel fixing process of permanent magnet motor rotor |
| CN108494131A (en) * | 2018-05-30 | 2018-09-04 | 深圳派赛科技有限公司 | A kind of permanent magnet machine rotor and motor |
| CN110391702A (en) * | 2019-08-07 | 2019-10-29 | 安徽德科电气科技有限公司 | A permanent magnet machine rotor magnetic circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312300 Zhejiang city of Shangyu province Tongjiang City Street Road No. 206 Patentee after: Zhejiang Dacheng Electric Co., Ltd. Address before: 312300 Zhejiang city of Shangyu province Tongjiang City Street Road No. 206 Patentee before: Zhejiang Dacheng Electric Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |
|
| CX01 | Expiry of patent term |