CN108808908A - Magnet ring based on micro-motor rotor - Google Patents
Magnet ring based on micro-motor rotor Download PDFInfo
- Publication number
- CN108808908A CN108808908A CN201710308153.6A CN201710308153A CN108808908A CN 108808908 A CN108808908 A CN 108808908A CN 201710308153 A CN201710308153 A CN 201710308153A CN 108808908 A CN108808908 A CN 108808908A
- Authority
- CN
- China
- Prior art keywords
- ring body
- magnetic
- magnetic ring
- micro
- nylon
- 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
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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
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of magnet rings based on micro-motor rotor, it includes magnetic ring body and at least two pairs of arc-shaped magnetic sections, the magnetic ring body is the integral structure that magnetic material is molded, the magnetic section is embedded in the magnetic ring body, the magnetic section is evenly arranged in by mutually reverse polarity in the magnetic ring body, the upper surface of the magnetic ring body is connected with end face towards magnetic ring body inner wall side, and two grooves of circumference equal dividing are provided on end face;The integral structure that the magnetic ring body is formed by injection molding by ferromagnetic oxide powder, poly- 1,9- nonylenes terephthalate amine, nylon 12,6/ clay nanocomposites of nylon, oleic acid.The present invention can one-time formed multi-pole magnet-ring, ensure that the concentricity of magnet ring and the uniformity of quality, while can also reduce main screw lift, working efficiency higher, motor noise is lower, running frequency higher, it is big to involve torque so that motor quality has important breakthrough, achieves significant technological progress.
Description
Technical field
The present invention relates to micro machine technical fields, and in particular to a kind of magnet ring based on micro-motor rotor.
Background technology
Micro machine, full name micromotor refer to the motor that diameter is less than 160mm or rated power is less than 750W.Micro- electricity
Machine be usually used in control system or gearing load in, for realizing dynamoelectric signal or energy detection, parsing operation, amplification,
The functions such as execution or conversion.Electromagnetic type micro machine forms, including stator, rotor, armature winding, electricity similar to common electric machine substantially
The components such as brush, but it is compact outside structural Case.Traditional multi-pole magnet-ring is to be bonded using polylith magnetic section, but making small-sized micro- electricity
It is difficult processing when machine, simultaneously because polylith magnetic section is spliced, it is difficult to magnetic polar angle be done accurately, simultaneously because being difficult to do when splicing
To entire magnet ring uniform quality so that the dynamic balancing of magnet ring is poor, increases the vibration and noise of motor, influences motor performance.
Invention content
The present invention overcomes the deficiencies in the prior art, provide a kind of magnet ring based on micro-motor rotor.
In order to solve the above technical problems, the present invention uses following technical scheme:
A kind of magnet ring based on micro-motor rotor, it includes magnetic ring body and at least two pairs of arc-shaped magnetic sections, and the magnetic ring body is magnetic
Property material injection made of integral structure, the magnetic section is embedded in the magnetic ring body, and the magnetic section is by mutually reverse polarity
It is evenly arranged in the magnetic ring body, the upper surface of the magnetic ring body is connected with end face towards magnetic ring body inner wall side, is holding
Two grooves of circumference equal dividing are provided on face;The magnetic ring body by ferromagnetic oxide powder, poly- 1,9- nonylenes terephthalate amine,
The integral structure that nylon 12,6/ clay nanocomposites of nylon, oleic acid are formed by injection molding.
Further technical solution is one that the magnetic ring body is formed by injection molding by the raw material of following weight percents
Body structure:Ferromagnetic oxide powder 80 ~ 90%, poly- 1,9- nonylenes terephthalate amine 4 ~ 9%, nylon 12 1 ~ 5%, nylon
6/ clay nanocomposites 4 ~ 11%, oleic acid 2 ~ 6%.
Further technical solution is that the ferromagnetic oxide powder is spherical or subsphaeroidal particle.
Further technical solution is that the magnetic ring body is columnar structured.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention can one-time formed multi-pole magnet-ring, ensure that magnetic
The concentricity of ring and the uniformity of quality, while in molding while being inlaid at least two pairs of magnetic sections so that manufactured magnet ring has
Multipole magnetic field.The magnet ring has high temperature resistant, and high-lubricity, good fluidity, easy processing, the intensity of binder is high, water imbibition is small,
Many advantages, such as magnetic good.Main screw lift can be also reduced simultaneously, working efficiency higher, motor noise is lower, running frequency higher,
It is big to involve torque so that motor quality has important breakthrough, achieves significant technological progress.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the invention.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
This specification(Including any accessory claim, abstract and attached drawing)Disclosed in any feature, except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
The specific implementation mode of the present invention is described in detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, according to one embodiment of present invention, the present embodiment discloses a kind of magnetic based on micro-motor rotor
Ring, it includes columnar structured magnetic ring body 1 and four pairs of arc-shaped magnetic sections 2, and the magnetic ring body is one that magnetic material is molded
Body structure, the magnetic section are embedded in the magnetic ring body, and the magnetic section is evenly arranged in the magnet ring by mutually reverse polarity
In vivo, the upper surface of the magnetic ring body is connected with end face towards magnetic ring body inner wall side, and circumference equal dividing is provided on end face 3
Two grooves 4;The present embodiment can one-time formed multi-pole magnet-ring, ensure that the concentricity of magnet ring and the uniformity of quality, together
When molding and meanwhile be inlaid at least two pairs of magnetic sections so that manufactured magnet ring is provided with multipole magnetic field.
Specifically, magnetic ring body described in the present embodiment is by ferromagnetic oxide powder, poly- 1,9- nonylenes terephthalate amine, poly- ten
The integral structure that two lactams, 6/ clay nanocomposites of nylon, oleic acid are formed by injection molding.Wherein, the magnetic ring body is under
The integral structure that the raw material of row weight percent is formed by injection molding:Ferromagnetic oxide powder 80 ~ 90%, poly- 1,9- nonylenes are to benzene two
Amide 4 ~ 9%, nylon 12 1 ~ 5%, 6/ clay nanocomposites 4 ~ 11% of nylon, oleic acid 2 ~ 6%.Specifically, this reality
It is spherical or subsphaeroidal particle to apply the ferromagnetic oxide powder described in example.The magnet ring tool being molded by above-mentioned material component
There is many advantages, such as high temperature resistant, the intensity of high-lubricity, good fluidity, easy processing, binder is high, and water imbibition is small, magnetism is good.Together
When can also reduce main screw lift, working efficiency higher, motor noise is lower, and running frequency higher it is big to involve torque so that motor
Quality has important breakthrough, achieves significant technological progress.
" one embodiment " for being spoken of in the present specification, " another embodiment ", " embodiment " etc., refer to tying
Specific features, structure or the feature for closing embodiment description are included at least one embodiment of the application generality description
In.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Appoint furthermore, it is understood that combining
When one embodiment describes a specific features, structure or feature, what is advocated is to realize this in conjunction with other embodiment
Kind feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for the multiple explanatory embodiments invented, however, it is to be understood that this
Field technology personnel can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in the application
Within disclosed scope and spirit.More specifically, it is disclosed in the scope of the claims in the application, it can be to theme group
The building block and/or layout for closing layout carry out a variety of variations and modifications.In addition to the modification carried out to building block and/or layout
Outer with improving, to those skilled in the art, other purposes also will be apparent.
Claims (4)
1. a kind of magnet ring based on micro-motor rotor, it includes magnetic ring body and at least two pairs of arc-shaped magnetic sections, the magnetic ring body are
The integral structure that magnetic material is molded, the magnetic section are embedded in the magnetic ring body, and the magnetic section is by mutually reverse pole
Property is evenly arranged in the magnetic ring body, and the upper surface of the magnetic ring body is connected with end face towards magnetic ring body inner wall side,
Two grooves of circumference equal dividing are provided on end face;It is characterized in that:The magnetic ring body is by ferromagnetic oxide powder, the poly- Asias 1,9- nonyl
The integral structure that base terephthalate amine, nylon 12,6/ clay nanocomposites of nylon, oleic acid are formed by injection molding.
2. the magnet ring according to claim 1 based on micro-motor rotor, it is characterised in that the magnetic ring body is by following heavy
The integral structure that the raw material of amount percentage is formed by injection molding:Ferromagnetic oxide powder 80 ~ 90%, poly- 1,9- nonylenes terephthalate amine
4 ~ 9%, nylon 12 1 ~ 5%, 6/ clay nanocomposites 4 ~ 11% of nylon, oleic acid 2 ~ 6%.
3. the magnet ring according to claim 1 or 2 based on micro-motor rotor, it is characterised in that the ferromagnetic oxide powder is
Spherical or subsphaeroidal particle.
4. the magnet ring according to claim 1 based on micro-motor rotor, it is characterised in that the magnetic ring body is cylindrical shape
Structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710308153.6A CN108808908A (en) | 2017-05-04 | 2017-05-04 | Magnet ring based on micro-motor rotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710308153.6A CN108808908A (en) | 2017-05-04 | 2017-05-04 | Magnet ring based on micro-motor rotor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108808908A true CN108808908A (en) | 2018-11-13 |
Family
ID=64053670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710308153.6A Pending CN108808908A (en) | 2017-05-04 | 2017-05-04 | Magnet ring based on micro-motor rotor |
Country Status (1)
Country | Link |
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CN (1) | CN108808908A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111850371A (en) * | 2020-06-29 | 2020-10-30 | 安徽虹泰磁电有限公司 | Magnetic ring for improving magnetic wear resistance and preparation method thereof |
-
2017
- 2017-05-04 CN CN201710308153.6A patent/CN108808908A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111850371A (en) * | 2020-06-29 | 2020-10-30 | 安徽虹泰磁电有限公司 | Magnetic ring for improving magnetic wear resistance and preparation method thereof |
CN111850371B (en) * | 2020-06-29 | 2021-09-28 | 安徽虹泰磁电有限公司 | Magnetic ring for improving magnetic wear resistance and preparation method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181113 |
|
WD01 | Invention patent application deemed withdrawn after publication |