CN207819573U - A kind of rotor being provided with full packet magnet - Google Patents
A kind of rotor being provided with full packet magnet Download PDFInfo
- Publication number
- CN207819573U CN207819573U CN201721903977.XU CN201721903977U CN207819573U CN 207819573 U CN207819573 U CN 207819573U CN 201721903977 U CN201721903977 U CN 201721903977U CN 207819573 U CN207819573 U CN 207819573U
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- CN
- China
- Prior art keywords
- revolving meber
- magnet
- rotor
- coating
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model belongs to magnet applications technical field, more particularly to a kind of rotor being provided with full packet magnet, including revolving meber and the magnet being arranged on the revolving meber, it is additionally provided on the revolving meber and the matched bearing of revolving meber or bearing holder (housing, cover), the revolving meber is obtained by the way of injection molding, also, in the revolving meber injection moulding process, it realizes and the magnet, and the mating connection with the bearing or bearing holder (housing, cover).The rotor of the application, the manufacturing process of revolving meber is significantly simplified, also, due to being obtained using injection molding manner, mould structure and Shooting Technique facilitate unification, so can also well ensure the consistency of product, moreover, because reducing magnet assembly and reducing the assembly of bearing or bearing holder (housing, cover), deviation that may be present when assembly is avoided between and then, so using the structure of the present embodiment, additionally it is possible to significantly improve the dynamic balance performance of rotor.
Description
Technical field
The utility model belongs to magnet applications technical field, and in particular to a kind of rotor being provided with full packet magnet.
Background technology
In current pump class technical field, the working environment of rotor is more special, needs higher corrosion-resistant
Ability, heat-resisting ability and low temperature tolerance ability also have the dynamic balancing of rotor higher moreover, because noise control needs
It is required that.
In current electric machine structure, revolving meber is typically first produced, then bearing or axle sleeve are set on device, then
One or more magnets are arranged on revolving meber, are finally connected again with execution unit.
It is high to the requirement of magnet corrosion resistance first, so it is generally necessary to using corrosion resistant using above-mentioned assembling mode
The high magnet of erosion ability or setting magnet anticorrosion process；Meanwhile above-mentioned assembling mode, also there are other shortcomings, such as：System
Make complex procedures, less efficient, product has the bad control of dynamic balancing of higher fraction defective and rotor.
So need to design one kind at present with preferable dynamic balance performance, and manufacturing process is simple, moreover it is possible to reduce magnet
The rotor structure that corrosion resistance requires.
Utility model content
The purpose of this utility model is that：For in pumping class technical field, rotor structure exists to magnet corrosion resistant at present
It loses performance requirement height and manufacturing process is complicated, the deficiency of the bad control of dynamic balancing, provide a kind of with preferable dynamic balance
Can, and manufacturing process is simple, moreover it is possible to reduce the rotor structure of magnet corrosion resistance requirement.
In order to achieve the above-mentioned object of the invention, the utility model provides following technical scheme：
A kind of rotor being provided with full packet magnet, including revolving meber and the magnet that is arranged on the revolving meber, described time
Turn to be additionally provided on part and be obtained by the way of injection molding with the matched bearing of revolving meber or bearing holder (housing, cover), the revolving meber, and
And in the revolving meber injection moulding process, realize and the magnet, and the mating connection with the bearing or bearing holder (housing, cover).
Preferably, there is magnetic work face on the magnet, be provided with coating on the magnetic work face, make the magnetic
Sex work face is isolated with extraneous air and liquid.
The magnetic work face of the application is the surface for providing magnetic part on magnet structure, when in use, magnetic
Working face coordinates with external structure, realizes the magnetic output of magnet.
Preferably, the coating is made using the material for being not easy magnetic conduction, and the material for being not easy magnetic conduction is relative magnetic permeability
Rate is less than or equal to 100 material.
In this application, coating is made using the material for being not easy magnetic conduction, can be reduced or even be avoided coating to magnet
The influence of magnetic intensity is capable of providing stronger magnetic intensity in this way, for more traditional rotor structure, moreover, also reducing
Requirement to overburden cover, and then manufacturing process is also simplified, further, since coating adversely affects magnetic intensity
Reduction or elimination, using the structure of the application, can be adopted for the packet magnetic assembly for reaching same magnetic intensity requirement
With the magnet of relatively low magnetic intensity grade, in this way, also greatly reducing the manufacturing cost of packet magnetic assembly.
Preferably, the material for being not easy magnetic conduction is metal material.
Preferably, the coating is made using stainless steel material.
Above-mentioned, metal material and stainless steel material, with compared with more excellent intensity for plastic material and/or just
Degree, in this way, thinner coating can be formed, the further influence reduced to magnet magnetism.
Preferably, the material for being not easy magnetic conduction is that carbon fibre material, fibre reinforced composites or particle enhancing are multiple
Condensation material.
When coating using metal material either stainless steel material Carbon fibe material, fibre reinforced composites or
When grain enhancing composite material, due to good mechanical property and good machining property, being machined to 0.1-0.5mm
When, still there is reliable intensity, and there is good sealing effect, so, it is such as above-mentioned, overburden cover setting is existed
On the one hand 0.1-0.5mm is that can ensure there is good sealing effect, on the other hand also have lighter weight, can subtract
The dead weight of parcel magnetic assembly, moreover, also can further reduce the influence to magnet magnetism.
Preferably, it is sealing cooperation between the edge of the coating and the revolving meber.
As a preferred embodiment, the magnet is closed in the sealing formed between the coating and the revolving meber
In cavity.
As a preferred embodiment, the coating is made using material identical with the revolving meber.
It is further preferred that the coating is integrated injection molding structure with the revolving meber.
Preferably, through-hole is coaxially arranged in the revolving meber, the bearing or bearing are set in the through-hole.
Preferably, the magnet is hollow tubular structure, is set in outside the revolving meber.
Preferably, the coating is sheathed on outside the magnet.
Preferably, it is provided with step on the corresponding coating of magnet ends, the revolving meber coats the step
Inside.
Preferably, the rotor further includes having execution unit, and the execution unit is the power output member of the rotor
Either magnetic output link for example, impeller, gear or other components exported for rotor action.
Preferably, the execution unit is integrated injection molding structure with the revolving meber.
Preferably, injection molding, Nian Jie, ultrasonic bonding are used between the execution unit and the revolving meber or add it
He is attached the mode of connector.
Compared with prior art, the beneficial effects of the utility model：
The rotor of the application also, is realized by way of injection molding since revolving meber is made by the way of injection molding
Mating connection with magnet and with bearing or bearing holder (housing, cover), in this way, the manufacturing process of revolving meber has been significantly simplified, also, due to
It is to be obtained using injection molding manner, mould structure and Shooting Technique facilitate unification, so can also well ensure the consistent of product
Property, moreover, because reduce magnet assembly and reduce the assembly of bearing or bearing holder (housing, cover), and then between avoided assembly
When deviation that may be present, so, using the structure of the present embodiment, additionally it is possible to significantly improve rotor dynamic balance performance.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the application rotor section view,
It is indicated in figure：1- revolving mebers, 2- magnets, 3- bearings or bearing holder (housing, cover), 4- coatings, 5- execution units.
Specific implementation mode
The utility model is described in further detail with reference to test example and specific implementation mode, but should not be by this
The range for being interpreted as the above-mentioned theme of the utility model is only limitted to embodiment below, all to be realized based on the utility model content
Technology belongs to the scope of the utility model.
Embodiment 1, as shown in Figure 1：
A kind of rotor being provided with full packet magnet, including revolving meber 1 and the magnet 2 that is arranged on the revolving meber 1, it is described
It is additionally provided on revolving meber 1 and is obtained by the way of injection molding with 1 matched bearing of revolving meber or bearing holder (housing, cover) 3, the revolving meber 1
It arrives, in 1 injection moulding process of the revolving meber, realizes and the magnet 2, and the cooperation company with the bearing or bearing holder (housing, cover) 3
It connects.The rotor of the present embodiment, due to revolving meber 1 be using injection molding by the way of be made, also, be realized by way of injection molding with
Magnet 2 and mating connection with bearing or bearing holder (housing, cover) 3, in this way, the manufacturing process of revolving meber 1 has been significantly simplified, also, due to
It is to be obtained using injection molding manner, mould structure and Shooting Technique facilitate unification, so can also well ensure the consistent of product
Property, moreover, because reduce the assembly of magnet 2 and reduce the assembly of bearing or bearing holder (housing, cover) 3, and then between avoided dress
Timing deviation that may be present, so, using the structure of the present embodiment, additionally it is possible to significantly improve the dynamic balance performance of rotor.
On the basis of the said structure, as a preferred option, there is magnetic work face, the magnetism work on the magnet 2
Make to be provided with coating 4 on face, the magnetic work face is made to be isolated with extraneous air.
The magnetic work face of the application is the surface for providing magnetic part in 2 structure of magnet, when in use, magnetic
Sex work face coordinates with external structure, realizes the magnetic output of magnet 2.By the covering of coating 4, make magnetic work face with it is outer
Portion's air and fluid isolation improve the service life of magnet 2 in this way, reducing erosion and corrosion of the external environment to magnetic work face,
And then the reliability for improving the service life of rotor and using.
On the basis of the said structure, as a preferred option, the coating 4 is made for plastic material.Coating 4 uses
On the one hand plastics are to have good economy, on the other hand, plastics have good plasticity and lighter weight, Neng Gouliang
Good fits with magnetic work face, while opening isolation air effect, additionally it is possible to keep between magnet 2 and coating 4
The stability of position.
As another preferred embodiment, the coating 4 is made using the material for being not easy magnetic conduction, the magnetic conduction that is not easy
Material is the material that relative permeability is less than or equal to 100.
In this application, coating 4 is made using the material for being not easy magnetic conduction, can be reduced or even be avoided coating 4 to magnetic
The influence of 2 magnetic intensity of body is capable of providing stronger magnetic intensity in this way, for more traditional rotor structure, moreover, also dropping
The low requirement to 4 thickness of coating, and then also simplify manufacturing process, further, due to coating 4 to magnetic intensity not
The reduction or elimination that profit influences, for the packet magnetic assembly for reaching same magnetic intensity requirement, using the structure of the application,
The magnet 2 of relatively low magnetic intensity grade may be used, in this way, also greatly reducing the manufacturing cost of packet magnetic assembly.
Preferably, the material for being not easy magnetic conduction is metal material.
Preferably, the coating 4 is made using stainless steel material.
Above-mentioned, metal material and stainless steel material, with compared with more excellent intensity for plastic material and/or just
Degree, in this way, thinner coating 4 can be formed, it is further to reduce the influence magnetic to magnet 2.
Preferably, the material for being not easy magnetic conduction is that carbon fibre material, fibre reinforced composites or particle enhancing are multiple
Condensation material.
When coating 4 using metal material either stainless steel material Carbon fibe material, fibre reinforced composites or
When grain enhancing composite material, due to good mechanical property and good machining property, being machined to 0.1-0.5mm
When, still there is reliable intensity, and there is good sealing effect, so, it is such as above-mentioned, overburden cover setting is existed
On the one hand 0.1-0.5mm is that can ensure there is good sealing effect, on the other hand also have lighter weight, can subtract
The dead weight of parcel magnetic assembly, moreover, also can further reduce the influence to magnet magnetism.
On the basis of the said structure, as a preferred option, it is between the edge of the coating 4 and the revolving meber 1
Sealing cooperation.It is arranged such, it is ensured that magnet 2 is reliably closed.
On the basis of the said structure, as a preferred option, the magnet 2 is closed in the coating 4 and described time
Turn in the seal cavity formed between part 1.In this manner, make in entire magnet 2 is all closed in, entire magnet 2 with
Extraneous air and fluid isolation, in this way, further improving the service life and reliability of magnet 2.
On the basis of the said structure, as a preferred option, the coating 4 uses material identical with the revolving meber 1
Material is made.
It is further preferred that the coating 4 is integrated injection molding structure with the revolving meber 1.
As entire magnet 2 is coated in revolving meber 1, further by above-mentioned setting when carrying out the injection molding of revolving meber 1
The manufacturing process for simplifying rotor, also further improve the dynamic balance performance of rotor.
On the basis of the said structure, as a preferred option, through-hole, the bearing are coaxially arranged in the revolving meber 1
Or bearing holder (housing, cover) 3 is arranged in the through-hole.Bearing or bearing holder (housing, cover) 3 its effect are to be to prop up rotor under operating mode
Support, positioning and the friction for reducing rotor and between centers, and enhance wear-resisting property, in the present solution, be disposed in through-hole,
Contribute to the injection molding of revolving meber 1.
On the basis of the said structure, as a preferred option, the magnet 2 is hollow tubular structure, is set in described return
Turn outside part 1.
Such as above-mentioned setting, that is to say, that the which part on revolving meber 1 be located at magnet 2 and bearing or bearing holder (housing, cover) 3 it
Between, the injection molding of revolving meber 1 is further facilitated, revolving meber 1 and bearing or bearing holder (housing, cover) 3, and the company between magnet 2 are also convenient for
It connects.
On the basis of the said structure, as a preferred option, the coating 4 is sheathed on outside the magnet 2.
Preferably, it is provided with step on the corresponding coating in 2 end of magnet 4, the revolving meber 1 is by the step packet
In overlaying on.By the way that step is arranged, the reliability and leakproofness connected between revolving meber 1 and coating 4 is improved.
On the basis of above structure, as a preferred option, the rotor further includes having execution unit 5, the execution
Component 5 be the rotor power output member either magnetic output link for example, impeller, gear or other be used for rotor
Act the component of output.
Preferably, the execution unit 5 is integrated injection molding structure with the revolving meber 1.Execution unit 5 with return
Turn part and be integrated injection molding structure, in this way, being on the one hand further to simplify manufacturing process, improves the production efficiency of product
And yields, but also the dynamic balance performance of rotor can greatly be improved.
As another embodiment, using injection molding, Nian Jie, ultrasonic wave between the execution unit 5 and the revolving meber 1
The mode for welding or adding other connectors is attached.In this manner, can according to actual process require or
Product requirement is selected, and the use of the application rotor is further facilitated.
Above example is only to illustrate the utility model and not limits technical solution described in the utility model, to the greatest extent
Pipe this specification has been carried out detailed description with reference to above-mentioned each embodiment to the utility model, but the utility model not office
It is limited to above-mentioned specific implementation mode, therefore any modifies to the utility model or equivalent replacement；And all do not depart from invention
Spirit and scope technical solution and its improvement, should all cover in the right of the utility model.
Claims (17)
1. a kind of rotor being provided with full packet magnet, it is characterised in that：Including revolving meber and the magnetic being arranged on the revolving meber
Body, is additionally provided on the revolving meber and the matched bearing of revolving meber or bearing holder (housing, cover), the revolving meber using injection molding side
Formula obtains, also, in the revolving meber injection moulding process, realize with the magnet, and with the bearing or bearing holder (housing, cover)
It is connected.
2. rotor according to claim 1, it is characterised in that：There is magnetic work face, the magnetism work on the magnet
Make to be provided with coating on face, the magnetic work face is made to be isolated with extraneous air and liquid.
3. rotor according to claim 2, it is characterised in that：The coating is made using the material for being not easy magnetic conduction, institute
It is material of the relative permeability less than or equal to 100 to state and be not easy the material of magnetic conduction.
4. rotor according to claim 3, it is characterised in that：The material for being not easy magnetic conduction is metal material.
5. rotor according to claim 4, it is characterised in that：The coating is made using stainless steel material.
6. rotor according to claim 3, it is characterised in that：The material for being not easy magnetic conduction is carbon fibre material, fiber
Enhance composite material or particulate reinforced composite.
7. according to the rotor described in claim 2-6 any one, it is characterised in that：The edge of the coating and the revolution
It is sealing cooperation between part.
8. according to the rotor described in claim 2-6 institutes any one, it is characterised in that：The magnet is closed in the covering
In the seal cavity formed between layer and the revolving meber.
9. rotor according to claim 7, it is characterised in that：The coating uses material identical with the revolving meber
It is made.
10. rotor according to claim 9, it is characterised in that：The coating is integrated with the revolving meber and is molded into
Type structure.
11. rotor according to claim 7, it is characterised in that：Through-hole, the bearing are coaxially arranged in the revolving meber
Or bearing is set in the through-hole.
12. rotor according to claim 11, it is characterised in that：The magnet is hollow tubular structure, is set in described
Outside revolving meber.
13. rotor according to claim 12, it is characterised in that：The coating is sheathed on outside the magnet.
14. rotor according to claim 13, it is characterised in that：It is arranged on the corresponding coating of the magnet ends
There are step, the revolving meber to be coated on the step interior.
15. according to the rotor described in claim 1-6 any one, it is characterised in that：The rotor further includes having execution unit,
The execution unit is the power output member of the rotor or magnetic output link.
16. rotor according to claim 15, it is characterised in that：The execution unit is integrated injection molding with the revolving meber
Molding structure.
17. rotor according to claim 15, it is characterised in that：Using note between the execution unit and the revolving meber
Modeling, bonding, ultrasonic bonding are added the modes of other connectors and are attached.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721903977.XU CN207819573U (en) | 2017-12-29 | 2017-12-29 | A kind of rotor being provided with full packet magnet |
| PCT/CN2018/121711 WO2019128770A1 (en) | 2017-12-29 | 2018-12-18 | Rotor provided with fully-encapsulated magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721903977.XU CN207819573U (en) | 2017-12-29 | 2017-12-29 | A kind of rotor being provided with full packet magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207819573U true CN207819573U (en) | 2018-09-04 |
Family
ID=63328794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721903977.XU Active CN207819573U (en) | 2017-12-29 | 2017-12-29 | A kind of rotor being provided with full packet magnet |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207819573U (en) |
| WO (1) | WO2019128770A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128770A1 (en) * | 2017-12-29 | 2019-07-04 | 成都银河磁体股份有限公司 | Rotor provided with fully-encapsulated magnet |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656229B (en) * | 2014-11-11 | 2019-06-28 | 浙江三花汽车零部件有限公司 | The manufacturing method of electronic pump and its electronic pump |
| CN206077174U (en) * | 2016-05-26 | 2017-04-05 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of p-m rotor and motor |
| CN206054323U (en) * | 2016-08-31 | 2017-03-29 | 长沙多浦乐泵业科技有限公司 | A kind of micropump with simple efficient rotor |
| CN106208610A (en) * | 2016-09-23 | 2016-12-07 | 常州市诚利电子有限公司 | Integral type is molded rotor and is applied to the motor of Automated condtrol |
| CN207611656U (en) * | 2017-12-29 | 2018-07-13 | 成都银河磁体股份有限公司 | A kind of packet magnetic assembly and column packet magnetic assembly |
| CN207819573U (en) * | 2017-12-29 | 2018-09-04 | 成都银河磁体股份有限公司 | A kind of rotor being provided with full packet magnet |
-
2017
- 2017-12-29 CN CN201721903977.XU patent/CN207819573U/en active Active
-
2018
- 2018-12-18 WO PCT/CN2018/121711 patent/WO2019128770A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128770A1 (en) * | 2017-12-29 | 2019-07-04 | 成都银河磁体股份有限公司 | Rotor provided with fully-encapsulated magnet |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019128770A1 (en) | 2019-07-04 |
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