CN108288882A - Neodymium iron boron rotor and its manufacturing process - Google Patents
Neodymium iron boron rotor and its manufacturing process Download PDFInfo
- Publication number
- CN108288882A CN108288882A CN201810110674.5A CN201810110674A CN108288882A CN 108288882 A CN108288882 A CN 108288882A CN 201810110674 A CN201810110674 A CN 201810110674A CN 108288882 A CN108288882 A CN 108288882A
- Authority
- CN
- China
- Prior art keywords
- rotor
- iron
- armature spindle
- iron boron
- neodymium iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 96
- 229910052742 iron Inorganic materials 0.000 claims abstract description 48
- 239000004033 plastic Substances 0.000 claims abstract description 31
- 229920003023 plastic Polymers 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- 238000001746 injection moulding Methods 0.000 claims description 18
- 239000012459 cleaning agent Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000002845 discoloration Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 2
- 238000002604 ultrasonography Methods 0.000 claims 1
- 239000002991 molded plastic Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- 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
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- 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
- H02K15/10—Applying solid insulation to windings, stators or rotors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of neodymium iron boron rotor and its manufacturing process, including armature spindle, rotor auxiliary iron, neodymium iron boron magnetosphere, auxiliary iron is socketed on the armature spindle, the armature spindle crosses an injection-moulded plastic with rotor auxiliary Tie Tong and fixation is isolated, neodymium-iron-boron circle is socketed on the outside of the auxiliary iron, the neodymium iron boron magnetosphere is isolated by quadric injection mould plastic layer to be fixed.By once completely including neodymium iron boron with quadric injection mould plastics, neodymium iron boron ingress of air, water and other substances for having damage neodymium iron boron characteristic are prevented, avoids rotor by corrosion impact, improves the service life of rotor.
Description
Technical field
The invention belongs to rotor machining fields, more specifically more particularly to a kind of neodymium iron boron rotor.Meanwhile this
Invention further relates to a kind of manufacturing process of neodymium iron boron rotor.
Background technology
Rotor is the rotary part in motor, and motor is made of rotor and stator two parts, it is for realizing electricity
It can be with the conversion equipment of mechanical energy and mechanical energy and electric energy.Rotor is divided into motor rotor and generator amature.
The component of existing rotor be it is exposed and motor will produce amount of heat during the work time outside,
It is easy to cause the component oxidation corrosion of rotor, the service life of rotor is made to reduce.
Invention content
The purpose of the present invention is to provide a kind of neodymium iron boron rotor and its manufacturing process, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of neodymium iron boron rotor, including armature spindle, rotor assist iron, neodymium iron boron magnetosphere, are socketed with and turn on the armature spindle
Son auxiliary iron, the armature spindle cross an injection-moulded plastic layer with rotor auxiliary Tie Tong and fixation are isolated, and the rotor assists the outer of iron
Side is socketed with neodymium iron boron magnetosphere, and the neodymium iron boron magnetosphere is isolated by quadric injection mould plastic layer to be fixed.
Preferably, there are gaps with rotor auxiliary iron for the armature spindle, and the center that iron is assisted in rotor is arranged in armature spindle
Place.
Preferably, the gap between the neodymium iron boron magnetosphere and rotor auxiliary iron is not more than two millimeters.
A kind of manufacturing process of neodymium iron boron rotor, includes the following steps：
S1, armature spindle, rotor auxiliary iron and neodymium iron boron magnetosphere are cleaned out using industrial cleaning agent, industrial cleaning agent cleans energy
Power is strong, does not generate mimeograph, washmarking and the bad phenomenon of discoloration and will not have any spot corrosion, oxidation to material, after cleaning
Naturally dry；
S2, armature spindle and rotor are assisted into ferropexy in a mold, ensures that armature spindle is located at the center of rotor auxiliary iron, molding
And mold temperature is preheated to 100-120 DEG C, injection molding machine is accessed, the plastics of melting are imported in mold, and make to be full of in mold
Then plastics remove injection molding machine, and when mold temperature is cooled to 60 DEG C or less removes mold, take out armature spindle and are assisted with rotor
Injecting products of iron, and flash is modified, primary injection molding is completed, and armature spindle is made to assist iron completely separated with rotor rotor, and
And rotor auxiliary iron both ends plastics are longer than rotor auxiliary iron, facilitate quadric injection mould；
S3, by neodymium-iron-boron snare on an injecting products, neodymium iron boron magnetosphere will be sleeved on rotor auxiliary iron middle, then by neodymium
Iron boron magnetosphere is put into together with an injecting products in mold, and fixation, is molded and is preheated to 100-120 DEG C, access note
The plastics of melting are imported in mold, make the plastics of the plastics being once molded and quadric injection mould that must bond by molding machine；
S4, die sinking, take out product, modify product edge, and detect injection molding after rotor rotation center whether on armature spindle.
Preferably, it is cleaned using ultrasonic method in S1, industrial cleaning agent is heated to 50-60 DEG C when cleaning.
Preferably, in S4 for rotation center deviate injection molding rotor, by the dissolving plastic after injection molding, and by armature spindle,
Rotor assists the plastics adhered on iron and neodymium iron boron magnetosphere to clean out completely, then is molded again.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention compared with convention rotor, by it is primary with it is secondary
Injection-moulded plastic completely includes neodymium iron boron, prevents neodymium iron boron ingress of air, water and other substances for having damage neodymium iron boron characteristic, keeps away
Exempt from rotor by corrosion impact, improves the service life of rotor.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the flow diagram of the present invention.
In figure：1 armature spindle, 2 rotors auxiliary iron, 3 injection-moulded plastic layers, 4 neodymium iron boron magnetospheres, 5 quadric injection mould plastic layers.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
A kind of neodymium iron boron rotor, including armature spindle 1, rotor auxiliary iron 2, neodymium iron boron magnetosphere 4, on the armature spindle 1
It is socketed with rotor auxiliary iron 2, fixation is isolated by an injection-moulded plastic layer 3 in the armature spindle 1 and rotor auxiliary iron 2, described turn
The outside of son auxiliary iron 2 is socketed with neodymium-iron-boron circle 4, and the neodymium iron boron magnetosphere 4 is isolated by quadric injection mould plastic layer 5 to be fixed.
Specifically, the armature spindle 1 is with rotor auxiliary iron 2, there are gaps, and armature spindle 1 is arranged in rotor auxiliary iron 2
At center.
Specifically, the gap between the neodymium iron boron magnetosphere 4 and rotor auxiliary iron 2 is not more than two millimeters.
The present invention also provides a kind of manufacturing process of neodymium iron boron rotor, include the following steps：
S1, armature spindle, rotor auxiliary iron and neodymium iron boron magnetosphere are cleaned out using industrial cleaning agent, industrial cleaning agent cleans energy
Power is strong, does not generate mimeograph, washmarking and the bad phenomenon of discoloration and will not have any spot corrosion, oxidation to material, after cleaning
Naturally dry；
S2, armature spindle and rotor are assisted into ferropexy in a mold, ensures that armature spindle is located at the center of rotor auxiliary iron, molding
And mold temperature is preheated to 100-120 DEG C, injection molding machine is accessed, the plastics of melting are imported in mold, and make to be full of in mold
Then plastics remove injection molding machine, and when mold temperature is cooled to 60 DEG C or less removes mold, take out armature spindle and are assisted with rotor
Injecting products of iron, and flash is modified, primary injection molding is completed, and armature spindle is made to assist iron completely separated with rotor rotor, and
And rotor auxiliary iron both ends plastics are longer than rotor auxiliary iron, facilitate quadric injection mould；
S3, by neodymium-iron-boron snare on an injecting products, neodymium iron boron magnetosphere will be sleeved on rotor auxiliary iron middle, then by neodymium
Iron boron magnetosphere is put into together with an injecting products in mold, and fixation, is molded and is preheated to 100-120 DEG C, access note
The plastics of melting are imported in mold, make the plastics of the plastics being once molded and quadric injection mould that must bond by molding machine；
S4, die sinking, take out product, modify product edge, and detect injection molding after rotor rotation center whether on armature spindle.
Specifically, cleaned using ultrasonic method in S1, industrial cleaning agent is heated to 50-60 DEG C when cleaning.
Specifically, in S4 for rotation center deviate injection molding rotor, by the dissolving plastic after injection molding, and by armature spindle,
Rotor assists the plastics adhered on iron and neodymium iron boron magnetosphere to clean out completely, then is molded again.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of neodymium iron boron rotor, including armature spindle（1）, rotor assist iron（2）, neodymium iron boron magnetosphere（4）, feature exists
In：The armature spindle（1）On be socketed with rotor auxiliary iron（2）, the armature spindle（1）Iron is assisted with rotor（2）By once noting
Mould plastic layer（3）Isolation is fixed, and the rotor assists iron（2）Outside be socketed with neodymium-iron-boron circle（4）, the neodymium iron boron magnetosphere
（4）Pass through quadric injection mould plastic layer（5）Isolation is fixed.
2. a kind of neodymium iron boron rotor according to claim 1, it is characterised in that：The armature spindle（1）It is auxiliary with rotor
Help iron（2）There are gap, and armature spindle（1）Setting assists iron in rotor（2）Center at.
3. a kind of neodymium iron boron rotor according to claim 1, it is characterised in that：The neodymium iron boron magnetosphere（4）With turn
Son auxiliary iron（2）Between gap be not more than two millimeters.
4. a kind of manufacturing process of neodymium iron boron rotor according to claim 1, which is characterized in that including walking as follows
Suddenly：
S1, armature spindle, rotor auxiliary iron and neodymium iron boron magnetosphere are cleaned out using industrial cleaning agent, industrial cleaning agent cleans energy
Power is strong, does not generate mimeograph, washmarking and the bad phenomenon of discoloration and will not have any spot corrosion, oxidation to material, after cleaning
Naturally dry；
S2, armature spindle and rotor are assisted into ferropexy in a mold, ensures that armature spindle is located at the center of rotor auxiliary iron, molding
And mold temperature is preheated to 100-120 DEG C, injection molding machine is accessed, the plastics of melting are imported in mold, and make to be full of in mold
Then plastics remove injection molding machine, and when mold temperature is cooled to 60 DEG C or less removes mold, take out armature spindle and are assisted with rotor
Injecting products of iron, and flash is modified, primary injection molding is completed, and armature spindle is made to assist iron completely separated with rotor rotor, and
And rotor auxiliary iron both ends plastics are longer than rotor auxiliary iron, facilitate quadric injection mould；
S3, by neodymium-iron-boron snare on an injecting products, neodymium iron boron magnetosphere will be sleeved on rotor auxiliary iron middle, then by neodymium
Iron boron magnetosphere is put into together with an injecting products in mold, and fixation, is molded and is preheated to 100-120 DEG C, access note
The plastics of melting are imported in mold, make the plastics of the plastics being once molded and quadric injection mould that must bond by molding machine；
S4, die sinking, take out product, modify product edge, and detect injection molding after rotor rotation center whether on armature spindle.
5. a kind of manufacturing process of neodymium iron boron rotor according to claim 4, it is characterised in that：Using ultrasound in S1
Wave method is cleaned, and industrial cleaning agent is heated to 50-60 DEG C when cleaning.
6. a kind of manufacturing process of neodymium iron boron rotor according to claim 4, it is characterised in that：For rotation in S4
The injection molding rotor of center deviation by the dissolving plastic after injection molding, and will adhere on armature spindle, rotor auxiliary iron and neodymium iron boron magnetosphere
Plastics clean out completely, then be molded again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810110674.5A CN108288882A (en) | 2018-02-05 | 2018-02-05 | Neodymium iron boron rotor and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810110674.5A CN108288882A (en) | 2018-02-05 | 2018-02-05 | Neodymium iron boron rotor and its manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108288882A true CN108288882A (en) | 2018-07-17 |
Family
ID=62836351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810110674.5A Pending CN108288882A (en) | 2018-02-05 | 2018-02-05 | Neodymium iron boron rotor and its manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108288882A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347362A (en) * | 2021-12-20 | 2022-04-15 | 江门市万华塑料制品有限公司 | Magnetic ring injection molding method and plastic magnetic ring thereof |
| CN115441617A (en) * | 2022-10-11 | 2022-12-06 | 东莞金坤新材料股份有限公司 | High-speed stable neodymium iron boron motor rotor structure and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201388093Y (en) * | 2009-03-24 | 2010-01-20 | 广东威灵电机制造有限公司 | Permanent magnet rotor for motor |
| CN201435630Y (en) * | 2009-06-08 | 2010-03-31 | 中山市正民高新磁电有限公司 | High-magnetic energy oxidized NdFeB rotor |
| CN202260716U (en) * | 2011-08-30 | 2012-05-30 | 重庆力德磁性材料有限公司 | Permanent magnet rotor of water pump |
| CN204538838U (en) * | 2015-03-31 | 2015-08-05 | 江苏上骐集团有限公司 | A kind of permanent-magnet motor rotor |
| CN105656229A (en) * | 2014-11-11 | 2016-06-08 | 杭州三花研究院有限公司 | Electronic pump and manufacturing method thereof |
| CN207939276U (en) * | 2018-02-05 | 2018-10-02 | 中山市海鲸电器科技有限公司 | Neodymium iron boron rotor |
-
2018
- 2018-02-05 CN CN201810110674.5A patent/CN108288882A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201388093Y (en) * | 2009-03-24 | 2010-01-20 | 广东威灵电机制造有限公司 | Permanent magnet rotor for motor |
| CN201435630Y (en) * | 2009-06-08 | 2010-03-31 | 中山市正民高新磁电有限公司 | High-magnetic energy oxidized NdFeB rotor |
| CN202260716U (en) * | 2011-08-30 | 2012-05-30 | 重庆力德磁性材料有限公司 | Permanent magnet rotor of water pump |
| CN105656229A (en) * | 2014-11-11 | 2016-06-08 | 杭州三花研究院有限公司 | Electronic pump and manufacturing method thereof |
| CN204538838U (en) * | 2015-03-31 | 2015-08-05 | 江苏上骐集团有限公司 | A kind of permanent-magnet motor rotor |
| CN207939276U (en) * | 2018-02-05 | 2018-10-02 | 中山市海鲸电器科技有限公司 | Neodymium iron boron rotor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347362A (en) * | 2021-12-20 | 2022-04-15 | 江门市万华塑料制品有限公司 | Magnetic ring injection molding method and plastic magnetic ring thereof |
| CN115441617A (en) * | 2022-10-11 | 2022-12-06 | 东莞金坤新材料股份有限公司 | High-speed stable neodymium iron boron motor rotor structure and manufacturing method thereof |
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