CN202749978U - Level-type external-rotor assembling structure for permanent magnetic motor - Google Patents
Level-type external-rotor assembling structure for permanent magnetic motor Download PDFInfo
- Publication number
- CN202749978U CN202749978U CN 201220407144 CN201220407144U CN202749978U CN 202749978 U CN202749978 U CN 202749978U CN 201220407144 CN201220407144 CN 201220407144 CN 201220407144 U CN201220407144 U CN 201220407144U CN 202749978 U CN202749978 U CN 202749978U
- Authority
- CN
- China
- Prior art keywords
- positioning seat
- mandrel
- external rotor
- type external
- 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
Links
Images
Abstract
The utility model relates to a motor assembling structure and especially relates to a level-type external-rotor assembling structure for a permanent magnetic motor. The utility model can solve a problem that coaxiality of circularity of an external diameter size of a permanent magnet and a rotor iron-core bore after stuck can't be satisfied. The key points of the technical scheme are that the level-type external-rotor assembling structure for the permanent magnetic motor is suitable for external-rotor assembling of level end faces of an external-rotor iron core of the permanent magnetic motor and magnetic steel and comprises a mandrel and a positioning seat, a connection portion is mounted on a central position of an end face of the mandrel in an outwardly protruding manner, a connection groove is disposed on the positioning seat opposite to the connection portion, the mandrel and the positioning seat are flexibly connected with each other and are disposed in a coaxial manner, and a plurality of sets of fixing grooves are disposed on the mandrel and are used for filling external magnets. The level-type external-rotor assembling structure overcomes problems of size tolerance and geometric tolerance after assembly is finished because thickness of the permanent magnet is nonuniform, thereby satisfying requirements of high precision motors.
Description
Technical field
The utility model relates to a kind of motor assembling structure, particularly the concordant type external rotor of a kind of magneto assembly structure.
Background technology
Permanent magnetic torque servomotor overall structure form is multiple, generally can be divided into two kinds: a kind of is radial magnetic circuit structure, another kind is the axial magnetic circuit structure, this is with respect to the motor rotary shaft axle center, and our common structure is radial magnetic circuit structure, it is cylindric that motor is, and air gap also is cylindric between rotor.What axial magnetic circuit was common is disc type, and axial dimension is short, and radial dimension is large, and profile is rendered as flat pattern.The manufacturing of radial magnetic circuit motor is simple, and price is low.Permanent magnetic torque servomotor external rotor manufacture method of the present utility model is applicable to the radial magnetic circuit electric motor structure.Motor with same outer diameter as, if design of electrical motor becomes external-rotor-type, it is compared with inner-rotor-type, can obtain than the air gaps diameter.Because the quadratic power of motor electromagnetic torque and air-gap diameter is proportional, thereby can reduce length and the weight of external rotor electric machine, have higher torque density.The effective material weight of the external rotor electric machine of optimal design is about lighter by about 15% than inner rotor motor.In addition, adopt the external rotor electric machine of concentrating winding, because stator tooth outwardly, the coiling winding will be easy to many, is suitable for the Quick mechanical coiling, particularly adopts in the situation of open slot.In the external rotor electric machine design, permanent magnet all adopts the surface-mount type structure, on the make there is larger difficulty, in order to realize, the quick acceleration and deceleration of motor need to have uniform air-gap field, make the moment of inertia of rotor lower, therefore the internal diameter of the permanent magnet of Surface Mount must guarantee mechanical dimension circularity and with the axiality that external diameter is installed, and because the impact in magnetic field, the large difficult point when the Surface Mount permanent magnet is the motor assembling always.
China Patent Publication No. CN1588756A in open day on March 2nd, 2005, discloses a kind of magnet steel of permagnetic synchronous motor and the installation method of magnet steel thereof.A kind of magnet steel of permagnetic synchronous motor, magnet steel are multi-segment structure, and every section magnet steel connects by bond site.This technical scheme still has: permanent-magnetic synchronous motor rotor embeds integrated magnet steel (rareearth magnetic material), the magnet steel manufacturing of this integral structure is not too convenient, when especially making high power permanent magnet synchronous motor, must use complicated frock, can not satisfy the circularity that posts rear permanent magnet outside dimension and the axiality of rotor core endoporus, can't guarantee to realize uniform air-gap field, easily topic so that assemble make the jiggly problem of electric machine rotation.
The utility model content
The purpose of this utility model is to solve prior art can not satisfy the circularity that posts rear permanent magnet outside dimension and the axiality of rotor core endoporus, can't guarantee to realize uniform air-gap field, easily so that assemble make the jiggly problem of electric machine rotation, have the assembly structure of good concentricity and the concordant type external rotor of the adaptation of external diameter tolerance after a kind of rotor core being provided and the magnetic permanent magnet assembling.
The technical scheme that its technical problem that solves the utility model adopts is: the concordant type external rotor of a kind of magneto assembly structure, be applicable to the magneto outer rotor iron core external rotor alinco assembled concordant with the magnet steel end face, the concordant type external rotor of described magneto assembly structure comprises mandrel and positioning seat, the outwardly connecting portion that is provided with in center on described mandrel one end face, corresponding connection parts is provided with link slot on the described positioning seat, described mandrel and described positioning seat are flexibly connected and coaxial setting, are provided with some groups on the described mandrel and fill out to establish and add the holddown groove that magnet is used.Utilize this assembling device to load externally-applied magnetic field, overcome the problem of the complete rear dimensional tolerance of the assembling that brings owing to permanent magnet is in uneven thickness and form and position tolerance, thereby satisfy the needs of high-precision motor.
As preferably, described holddown groove quantity is six or six integral multiple, the corresponding mandrel circle centre positions distance of all holddown grooves all equate and all adjacent holddown grooves between spacing all equate, the corresponding center of circle angle number of arbitrary neighborhood holddown groove all equates, described magnet steel adds magnet or coil is identical towards the polarity of positioning seat circle centre position towards the polarity of positioning seat circle centre position with described.Arrange like this, guaranteed that externally-applied magnetic field can overcome the interference in original magnetic field.
As preferably, described connecting portion and described link slot are matched in clearance.The concentricity of mandrel and positioning seat when having guaranteed assembling is set like this, for the uniform air-gap field of realization, provides help during installation.
As preferably, the shape of each holddown groove all fill out in the identical and holddown groove establish to add magnet shape also all identical.Arrange like this, externally-applied magnetic field is offset the magnet steel intrinsic magnetic field, for the attaching of magnet steel has reduced difficulty, has overcome the problem of the complete rear dimensional tolerance of the assembling that brings owing to permanent magnet is in uneven thickness and form and position tolerance, thereby has satisfied the needs of high-precision motor.
As preferably, the bottom land of the holddown groove on the corresponding mandrel of described positioning seat offers jogger hole, and described jogger hole is through hole.The effect of jogger hole is after glue curing, utilizes push rod will add magnet by jogger hole and ejects, and positioning pedestal is taken out, and then take out external rotor.
As preferably, magnet steel attaching place of the corresponding external rotor of described positioning seat front surface is provided with storage glue groove.The setting of storage glue groove has guaranteed that external rotor after bonding, can not be fixed together with positioning seat.
As preferably, the edge protuberance of positioning seat is formed for the fixedly external stability circle of external rotor, and described external rotor and described external stability circle are matched in clearance.Arrange like this, guaranteed that mandrel can not occur mobile, overcome the problem of the complete rear dimensional tolerance of the assembling that brings owing to permanent magnet is in uneven thickness and form and position tolerance, thereby satisfied the needs of high-precision motor.
As preferably, described positioning seat link slot center offers connecting hole, and described mandrel and described positioning seat are connected by screw.Arrange like this, mandrel and positioning seat are connected by screw, and have guaranteed that mandrel can fixedly secure with positioning seat.
Substantial effect of the present utility model is: the interference in magnetic field when the utility model has adopted the mode of externally-applied magnetic field when the assembling magnet steel to solve alinco assembled, overcome the problem of the complete rear dimensional tolerance of the assembling that brings owing to permanent magnet is in uneven thickness and form and position tolerance, thereby satisfy the needs of high-precision motor.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of schematic diagram of externally-applied magnetic field and magnet steel coupling in the utility model;
Fig. 3 is the enlarged diagram at G place among Fig. 1.
Among the figure: 1, outer rotor iron core, 2, magnet steel, 3, add magnet, 4, mandrel, 5, positioning seat, 7, link slot, 8, connecting portion, 9, screw, 10, jogger hole, 11, storage glue groove, 12, glue-line.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
The concordant type external rotor of a kind of magneto assembly structure (referring to accompanying drawing 1) is applicable to the alinco assembled of magneto external rotor, the making of suitable especially concordant type external rotor.The present embodiment is that the outside fix mode is fixed, the present embodiment comprises mandrel 4 and positioning seat 5, mandrel 4 is flexibly connected and coaxial setting with positioning seat 5, mandrel 4 is whole cylindrical, be provided with six holddown grooves on the mandrel 4, the corresponding mandrel 4 circle centre positions distance of all holddown grooves all equate and all adjacent holddown grooves between spacing equate that all i.e. all holddown grooves can be connected to form a circle concentric with mandrel 4, the shape of each holddown groove all fill out in the identical and holddown groove establish add magnet 3 shapes also all identical (referring to accompanying drawing 2).The number of degrees of the central angle that the corresponding mandrel center of circle of arbitrary neighborhood holddown groove forms are 60 equal degree.On the mandrel 4 an end face respective shaft to the center the outwardly connecting portion 8 that is provided with, connecting portion 8 also is cylindrical.Magnet steel 2 towards the polarity of positioning seat 5 circle centre positions with to add magnet 3 identical towards the polarity of positioning seat circle centre position.Fill out simultaneously the magnet that adds of establishing and meet the nonnegotiable demands that the external rotor upper magnetic steel attaches, namely arbitrary neighborhood adds magnet 3 and is contrary towards the polarity of positioning seat 5 circle centre positions.The edge protuberance of positioning seat 5 forms the external stability circle, and the inwall of external stability circle plays the fixedly effect of outer rotor iron core 1.Outer rotor iron core 1 is matched in clearance with the external stability circle, and corresponding connection parts 8 is provided with link slot 9 on the positioning seat 5, and the shape of the shape of link slot 9 and connecting portion 8 is complementary, and connecting portion 8 is matched in clearance with link slot 9.Offer a pair of corresponding through hole on the connecting portion 8 with on the link slot 9, connecting portion 8 and link slot 9 are fixed by screw.When screw connects, can adjust connection angle and the contiguity of mandrel and holder, the bottom land of the holddown groove on the positioning seat 5 corresponding mandrels 4 offers jogger hole 10, and jogger hole 10 is through hole.Magnet steel 2 attachings place of the corresponding external rotor of positioning seat 5 front surfaces are provided with storage glue groove 11(referring to accompanying drawing 3).Width of rebate is much larger than the thickness of the glue-line of plastic-bonded magneto 2 and external rotor.
Adopt the assembly method of the described magneto external rotor of the present embodiment device may further comprise the steps:
Step 1: be screwed after the connecting portion of the mandrel that the non-magnetic material is made and the link slot of the positioning seat coupling, mandrel is fixed in the positioning seat, because the matched in clearance of connecting portion and link slot makes mandrel and positioning seat maintenance concentricity;
Step 2: evenly insert in the mandrel and add magnetic, add magnetic and insert in the holddown groove, the magnet steel that adds the relative wish installation of magnetic forms anti-phase magnetic field force;
Step 3: then apply corresponding glue at outer rotor iron core, the selection of glue is required to determine by the required cohesive force of product, working temperature etc., outer rotor iron core is imported, magnet steel and outer rotor iron core are bondd fixing, the irregular air gap between magnet steel external diameter and the outer rotor iron core internal diameter is just filled with glue;
Step 4: after glue is just solid, remove anti-phase magnetic field force (utilizing pin-lift arrangement will add magnet steel ejects) and then take out external rotor from mandrel.
Huge or external force requires when larger the present embodiment assembly method and above-mentioned assembly method basic identical when rotor structure, difference is that need coiling coil and energising suitable, counterclockwise interval form anti-phase magnetic field this moment on the mandrel internal tooth, after glue is just solid, the user only need cut off coil power can remove the opposing magnetic field, takes out external rotor.
Above-described embodiment is a kind of better scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (8)
1. the concordant type external rotor of magneto assembly structure, be applicable to the magneto outer rotor iron core external rotor alinco assembled concordant with the magnet steel end face, it is characterized in that: the concordant type external rotor of described magneto assembly structure comprises mandrel and positioning seat, the outwardly connecting portion that is provided with in center on described mandrel one end face, corresponding connection parts is provided with link slot on the described positioning seat, described mandrel and described positioning seat are flexibly connected and coaxial setting, are provided with some groups on the described mandrel and fill out to establish and add the holddown groove that magnet is used.
2. the concordant type external rotor of magneto according to claim 1 assembly structure, it is characterized in that: described holddown groove quantity is six or six integral multiple, the corresponding mandrel circle centre positions distance of all holddown grooves all equate and all adjacent holddown grooves between spacing all equate, the corresponding center of circle angle number of arbitrary neighborhood holddown groove all equates, described magnet steel adds magnet or coil is identical towards the polarity of positioning seat circle centre position towards the polarity of positioning seat circle centre position with described.
3. the concordant type external rotor of magneto according to claim 1 assembly structure, it is characterized in that: described connecting portion and described link slot are matched in clearance.
4. the concordant type external rotor of magneto according to claim 1 assembly structure is characterized in that: the shape of each holddown groove all fill out in the identical and holddown groove establish to add magnet shape also all identical.
5. the concordant type external rotor of magneto according to claim 1 assembly structure is characterized in that: the bottom land of the holddown groove on the corresponding mandrel of described positioning seat offers jogger hole, and described jogger hole is through hole.
6. the concordant type external rotor of magneto according to claim 1 assembly structure is characterized in that: magnet steel attaching place of the corresponding external rotor of described positioning seat front surface is provided with storage glue groove.
7. the concordant type external rotor of magneto according to claim 1 assembly structure, it is characterized in that: the edge protuberance of positioning seat is formed for the fixedly external stability circle of external rotor, and described external rotor and described external stability circle are matched in clearance.
8. the concordant type external rotor of magneto according to claim 1 assembly structure, it is characterized in that: described positioning seat link slot center offers connecting hole, and described mandrel and described positioning seat are connected by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407144 CN202749978U (en) | 2012-08-17 | 2012-08-17 | Level-type external-rotor assembling structure for permanent magnetic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407144 CN202749978U (en) | 2012-08-17 | 2012-08-17 | Level-type external-rotor assembling structure for permanent magnetic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749978U true CN202749978U (en) | 2013-02-20 |
Family
ID=47709329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220407144 Expired - Lifetime CN202749978U (en) | 2012-08-17 | 2012-08-17 | Level-type external-rotor assembling structure for permanent magnetic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115694106A (en) * | 2022-11-25 | 2023-02-03 | 湖南丰辉电机有限公司 | Miniature permanent magnet motor rotor magnetic pole installation device and installation method thereof |
-
2012
- 2012-08-17 CN CN 201220407144 patent/CN202749978U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115694106A (en) * | 2022-11-25 | 2023-02-03 | 湖南丰辉电机有限公司 | Miniature permanent magnet motor rotor magnetic pole installation device and installation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102856997B (en) | Method for assembly of internal rotor of permanent magnet motor | |
| JP5762105B2 (en) | Method for manufacturing permanent magnet type rotating electric machine | |
| RU2551424C2 (en) | Rotor for modulated polar machine | |
| CN102843001B (en) | Assembling method of outer rotor of permanent magnet motor | |
| CN101694955B (en) | Transverse flux permanent magnetic motor and method for manufacturing stator thereof | |
| CN101764489A (en) | Disc type permasyn motor for electric car hub | |
| CN101728912A (en) | Disk-type permanent magnet synchronous motor used for electric automobile hub based on Halbach structure | |
| CN111600408B (en) | Composite rotor punching sheet, permanent magnet motor and vehicle | |
| CN202749978U (en) | Level-type external-rotor assembling structure for permanent magnetic motor | |
| CN202749922U (en) | External-rotor assembling structure for permanent magnetic motor | |
| CN202340171U (en) | Power generation device | |
| CN203491865U (en) | Double stator axial magnetic field permanent magnetic brushless direct current motor | |
| CN204835745U (en) | Brushless no iron core disk permanent -magnet machine's stator winding structure and motor that has this stator winding structure | |
| CN102347669A (en) | Limited angle torque motor and method for manufacturing same | |
| CN202749979U (en) | Internal-rotor assembling structure for end-face dislocation of permanent magnetic motor | |
| CN107612165B (en) | Conical air gap axial double-loop magnetic field permanent magnet synchronous motor | |
| CN101931289B (en) | Motor stator and manufacturing method thereof | |
| CN201365181Y (en) | Novel disk type permanent-magnet DC brush torque motor | |
| CN205319813U (en) | Rotary electromagnet of magnetic circuit symmetry | |
| CN107612258A (en) | A kind of permagnetic synchronous motor | |
| CN202997733U (en) | Disc type motor | |
| CN209402384U (en) | 10 pole three-phase permanent magnetic brushless motor of electric vehicle and 18 slot | |
| CN103904796A (en) | Disc type motor | |
| CN202906606U (en) | Surface type permanent magnetism synchronization direct drive motor rotor | |
| CN101764490A (en) | Multi-disc type permanent magnet synchronous motor for hubs of electric car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315000 No. 308, Xiaogang Anju Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Feishi Technology Co.,Ltd. Address before: 315800 No. 55, Putuo mountain road, Beilun District, Zhejiang, Ningbo Patentee before: Phase Motion Control Ningbo Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |