CN108010658A - A kind of radially four very high degree of precision sine magnetizing clamps - Google Patents
A kind of radially four very high degree of precision sine magnetizing clamps Download PDFInfo
- Publication number
- CN108010658A CN108010658A CN201711485192.XA CN201711485192A CN108010658A CN 108010658 A CN108010658 A CN 108010658A CN 201711485192 A CN201711485192 A CN 201711485192A CN 108010658 A CN108010658 A CN 108010658A
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- China
- Prior art keywords
- magnetizing
- iron core
- product
- sine
- radial direction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Particle Accelerators (AREA)
Abstract
The invention discloses radial direction quadrupole sine magnetizing clamp, it includes：Magnetizing tooling and wire connection terminal, magnetizing tooling carry product to be magnetized, and treat the product progress radial direction quadrupole that magnetizes and magnetize, and cause product outer circumferential surface table magnetic to be distributed as high-precision sine wave shape；Wire connection terminal connects magnetize component and power supply.The radial direction quadrupole sine magnetizing clamp that this programme provides, can magnetize bonding ferrite bead or bonded neodymium-iron-boron magnet ring, can realize that product outer circumferential surface table magnetic is distributed as sine wave.
Description
Technical field
The present invention relates to a kind of process equipment, and in particular to a kind of magnetizing clamp.
Background technology
At present, the application field of magnetic material is very extensive, and the magnetic Circuit Design of different application is not quite similar, magnet used
Shape and magnetizing direction is also each differs, magnet shape mainly has：Cylindricality, annular, square, shoe, magnetizing direction is vertically
It is commonplace with radial direction.
A specific application is being involved, a automobile using high-precision sensor needs outer circumferential surface table magnetic that standard sine is presented
The quadrupole of wavelength-division cloth magnetizes annular magnetic, it can be achieved that the function of accurately measuring.
But in actual production, the waveform carried out when radial direction quadrupole magnetizes is square wave or triangular waveform, can not realize product
Outer circumferential surface table magnetic is distributed as high-precision sinusoidal waveform, it is impossible to meets the needs of concrete application.
The content of the invention
Can not realize the problem of product outer circumferential surface table magnetic is distributed as sine wave for the existing radial direction quadrupole scheme of magnetizing, it is necessary to
A kind of new scheme that magnetizes.
For this reason, the technical problems to be solved by the invention are to provide a kind of radial direction quadrupole sine magnetizing clamp, to realize production
Product outer circumferential surface table magnetic is distributed as high-precision sine wave shape.
In order to solve the above technical problem, the present invention provides radial direction quadrupole sine magnetizing clamp mainly include：
Magnetizing tooling, the magnetizing tooling carry product to be magnetized, and treat the product progress radial direction quadrupole that magnetizes and magnetize, and make
Obtain product outer circumferential surface table magnetic and be distributed as high-precision sine wave shape；
Wire connection terminal, the wire connection terminal connect magnetize component and power supply.
In the present solution, the magnetizing tooling includes：
Cartridge part, the cartridge part carry product to be magnetized, and treat the product that magnetizes and produce 4 poles outside product
The radiation field of circumferential direction, which is used as outer field of magnetizing, product periphery is magnetized, and coordinates amendment iron core, product magnetic
Outer circumferential surface table magnetic is distributed in sine wave afterwards；
Part is released, the release part is equipped with cartridge part, for that will complete product release cartridge portion of magnetizing
Point.
In the present solution, the cartridge part includes outer filling iron core, filling coiling group outside, correct iron core and potting resin；Institute
State outer fill on iron core and fill coiling group around outer, form the outer unit that magnetizes；Not coiling on the amendment iron core, and be threaded through and fill iron core outside
In, correct iron core and fill outside between iron core with effective coverage of magnetizing is encircled into, for disposing product to be magnetized；The filling tree
Fat is packaged matched outer iron core and the amendment iron core of filling.
In the present solution, further including non-magnetic shell and end cap in the cartridge part.
In the present solution, the outer end of incoming cables external power supply cathode for filling coiling group, the outer leading-out terminal for filling coiling group
External power supply anode.
In the present solution, the outer coiling group of filling around 2.0 copper wire of Φ, totally 2 circle.
In the present solution, the amendment core configuration is four claw types, to correct the outer magnetic field for filling iron core generation.
In the present solution, the launched portion point includes cushion block, some mandrils, head board and releases backing plate, the cushion block position
In correct iron core and it is outer fill between iron core with the effective coverage of magnetizing being encircled into, to support product to be magnetized, and magnetizing effectively
Region moves up and down；It is fixedly connected between the head board and release backing plate；Some mandrils are threaded through in cartridge part, the upper end
Cushion block is contacted, lower end is fixed between head board and release backing plate.
In the present solution, some mandrils are along the circumferential direction equally spaced.
The radial direction quadrupole sine magnetizing clamp that this programme provides, can be to bonding ferrite bead or bonded neodymium-iron-boron magnet ring
Magnetize, can realize that product outer circumferential surface table magnetic is distributed as sine wave.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the front view of radial direction quadrupole sine magnetizing clamp in present example；
Fig. 2 is the top view of radial direction quadrupole sine magnetizing clamp in present example.
Reference numeral：
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
This example is by the moment that is powered, utilizing the corresponding outer winding that fills to produce spoke of 4 poles perpendicular to product peripheral direction
Magnetic field is penetrated, and magnetizes product periphery using the magnetic field as outer field of magnetizing；Coordinating amendment iron core externally to fill winding at the same time can produce
4 poles be modified perpendicular to the radiation field (field of magnetizing outside) of product peripheral direction so that be powered moment, periphery radiative collision
Product saturation is magnetized, and make product magnetic after outer circumferential surface table magnetic in sine wave distribution.
Referring to Fig. 1 and Fig. 2 which shows the knot for the radial direction quadrupole sine magnetizing clamp that this example is provided based on above-mentioned principle
Structure schematic diagram.The fixture can treat the product progress radial direction quadrupole that magnetizes and magnetize, and product outer circumferential surface table magnetic is distributed as just
String waveform.
As seen from the figure, radial direction the two poles of the earth magnetizing clamp, mainly includes bottom plate 1, be fixed on above bottom plate cartridge part (4,
5th, 6,8,9,10,12), release part (10,11,15,16) and 2 four part of wire connection terminal.
Bottom plate 1 is used to carry other building blocks as the base of whole fixture.The upper surface of the bottom plate 1 is mounting surface
For disposing other building blocks, four insulation feets 19,20,23,24 are padded respectively at four ends angle of lower surface.
Its middle connecting terminal 2 is used for external power supply, it is fixed on bottom plate 1 by the 4th screw 21 and the 5th screw 22 respectively
On.
Cartridge part is the execution unit that magnetizes in whole fixture, for carrying product to be magnetized, outside revised
Magnetize field treat magnetize product carry out radial direction quadrupole magnetize so that product outer circumferential surface table magnetic is distributed as sinusoidal waveform.
Pacified relative to wire connection terminal 2 by first support bar 13, second support bar 14, the 3rd supporting rod 26 the cartridge part
Put on bottom plate 1, and be fixed by the first screw 17, the second screw 18, the 3rd screw 27, be specially the bottom of cartridge part
End is fixedly connected by the top of first support bar 13, second support bar 14, the 3rd supporting rod 26, and connection mode can be screw thread
Connection；And the bottom of first support bar 13, second support bar 14, the 3rd supporting rod 26 is contacted with bottom plate 1, and pass through first respectively
Screw 17, the second screw 18, the 3rd screw 27 are fixed.
In order to ensure the stability of cartridge part, first support bar 13, second support bar 14, the 3rd supporting rod 26 are circumferentially
Direction is equally spaced.
Thus the cartridge part set is connected to wire connection terminal 2 by electromagnetic wire 3 and electromagnetic wire 25, then by wire connection terminal 2
External power supply.
Release part in fixture is equipped with cartridge part, forms the component that magnetizes of fixture.The release part is used for
Product release cartridge part of magnetizing will be completed, it is specifically located between cartridge part and bottom plate, and can relative to cartridge part
To move up and down, product release cartridge part of magnetizing will be completed by then realizing.
Such scheme specific implementation when, cartridge part specifically include non-magnetic shell 4, correct iron core 5, fill outside iron core 9,
Fill coiling group 8, end cap 6 and potting resin 12 outside.
The overall cylinder of shell 4, is divided into two parts up and down in it, upper part has corresponding pilot hole, for disposing phase
Answer it is outer fill iron core 9 and correct iron core 5, while there is installation step in upper section bottom, for fixed amendment iron core 5；Shell 4
Interior lower part potting resin 12 encapsulates.
Correct iron core 5 and fill iron core 9 and the outer main element for filling coiling group 8 and coordinating composition cartridge part outside.Wherein, outside
Fill on iron core 9 and fill coiling group 8 around outer, form the outer unit that magnetizes；The outer lower end for filling iron core 9 is fixed in the pilot hole of shell 4, on
End is fixed by end cap 6 and is encapsulated with potting resin 13.
Amendment iron core 5 is filled in iron core 9 outside being threaded through, and lower end passes through and fills the installation step that iron core 9 is fixed on shell 4 outside
On, and encapsulated with potting resin 13.
Thus the outer gap matched somebody with somebody and be encircled into of filling between iron core 9 and amendment iron core 5 set is effective coverage of magnetizing, and is magnetized
When product 7 fix in this effective coverage, can magnetize to it.
Coiling group 8 is filled around 2.0 copper wire of Φ by its China and foreign countries, totally 2 circle；Amendment iron core is 4 claw types, is produced for correcting the outer iron core that fills
Magnetic field.Number of turns and coiling line footpath corresponding matching of the amendment iron core with filling coiling group 8 outside in this example so that externally fill
4 poles that coiling group 8 produces carry out optimal amendment perpendicular to the radiation field of product peripheral direction, product outer circumferential surface table after magnetic
Magnetic is distributed in sine wave.
Coordinate with above-mentioned cartridge part, part is released in this fixture and specifically includes cushion block 10, three mandrils 11, head boards 15
With release backing plate 16.Cushion block 10 is overall to be placed in shell 4, fills iron core 9 outside, magnetizing in effective coverage of correcting that iron core 5 surrounds, i.e.,
Be set in and correct on iron core 5, and can along correct iron core 5 it is axial in effective coverage of magnetizing it is up and down.The cushion block 10 is used to pad
In 7 lower end of product, product 7 is scheduled on and is magnetized in effective coverage.
It is fixedly connected between head board 15 and release backing plate 16, above and below the gap that the two can be between shell 4 and bottom plate 1
Activity；Three mandrils 12 along the circumferential direction 120 ° of distributions, and be each passed through the relief hole of shell 4 and potting resin 12 altogether, its
Between lower end is fixed on head board 15 and releases backing plate 16, the upper end contact cushion block 10.Here the quantity of mandril 12 is not limited to
This, can also use other designing schemes as needed.
This fixture middle connecting terminal 2 includes four binding posts A1, A2, B1, B2, and wherein A1 is turned on A2, and B1 is turned on B2,
It is open circuit between A1, A2 and B1, B2.A1 external power supply cathodes, A2 is connected by electromagnetic wire 3 fills 8 end of incoming cables of coiling group outside；Outside B1
Power cathode is connect, B2 connects the outer leading-out terminal for filling coiling group 8 by electromagnetic wire 25；Correct on iron core without coiling group.
According to such scheme form radial direction quadrupole sine magnetizing clamp treat the product 7 that magnetizes carry out from magnetize operation
When, before beginning of magnetizing, release 16 lower end of backing plate and be adjacent to bottom plate 1,10 lower end of cushion block is adjacent to the fixation step of shell 4,7 lower end of product
Cushion block 10 is adjacent to, product 7 is fixed in the effective coverage of magnetizing in cartridge part interior；
Power supply is next turned on, presses the key that magnetizes, iron core is filled outside product and is wound with and fills winding outside, in the moment that is powered, fills winding outside
Radiation field of 4 poles perpendicular to product peripheral direction can be produced, which magnetizes product periphery as outer field of magnetizing；Match somebody with somebody at the same time
Repaiied perpendicular to the radiation field (field of magnetizing outside) of product peripheral direction 4 poles that conjunction amendment iron core externally fills winding and can produce
Just so that in the moment that is powered, periphery radiation field magnetizes product saturation, and make product magnetic after outer circumferential surface table magnetic be in sine wave
Distribution.Whole magnetization process is completed in brush moment.
After the completion of magnetizing, head board 15 is ejected upwards by external force, drives mandril 11, cushion block 10 to magnetize upwards simultaneously
The product 7 of completion ejects.
Magnetize the product of completion for examples detailed above scheme, by finite element simulation calculation and verification experimental verification, 10KA electric currents
When magnetizing, product outer radial position magnetic flux density can reach 2.5T (tesla), can meet Nd-Fe-B permanent magnet material and ferrite
Permanent-magnet material magnetizes requirement, and product outer circumferential surface table magnetic is distributed as perfect sinusoidal waveform.
From the foregoing, it will be observed that using the magnetizing clamp, can magnetize to bonding ferrite bead or bonded neodymium-iron-boron magnet ring,
It can realize that product outer circumferential surface table magnetic is distributed as high-precision sine wave.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. radial direction quadrupole sine magnetizing clamp, it is characterised in that the fixture includes：
Magnetizing tooling, the magnetizing tooling carry product to be magnetized, and treat the product progress radial direction quadrupole that magnetizes and magnetize, and cause production
Product outer circumferential surface table magnetic is distributed as high-precision sine wave shape；
Wire connection terminal, the wire connection terminal connect magnetize component and power supply.
2. radial direction quadrupole sine magnetizing clamp according to claim 1, it is characterised in that the magnetizing tooling includes：
Cartridge part, the cartridge part carry product to be magnetized, and treat the product that magnetizes and produce 4 poles perpendicular to product periphery side
To radiation field, which magnetizes product periphery as outer field of magnetizing, and coordinates and correct iron core field of externally magnetizing and repaiied
Just, make product outer circumferential surface table magnetic after magnetic to be distributed in sine wave；
Part is released, the release part is equipped with cartridge part, for that will complete product release cartridge part of magnetizing.
3. radial direction quadrupole sine magnetizing clamp according to claim 2, it is characterised in that the cartridge part includes filling outside
Iron core, fill coiling group, correct iron core and potting resin outside；Outer fill on iron core fills coiling group around outer, forms the outer unit that magnetizes；
Not coiling on the amendment iron core, and be threaded through it is outer fill in iron core, correcting iron core and outer fill between iron core has with being encircled into magnetize
Region is imitated, for disposing product to be magnetized；The potting resin is packaged matched outer iron core and the amendment iron core of filling.
4. radial direction quadrupole sine magnetizing clamp according to claim 3, it is characterised in that further included in the cartridge part
Non-magnetic shell and end cap.
5. radial direction quadrupole sine magnetizing clamp according to claim 3, it is characterised in that the outer inlet wire for filling coiling group
Hold external power supply cathode, the outer leading-out terminal external power supply anode for filling coiling group.
6. radial direction quadrupole sine magnetizing clamp according to claim 3, it is characterised in that fill coiling group around Φ outside described
2.0 copper wire, totally 2 circle.
7. the radial direction quadrupole sine magnetizing clamp according to Claims 2 or 3, it is characterised in that the amendment core configuration
For four claw types, the magnetic field that iron core produces is filled outside with amendment.
8. radial direction quadrupole sine magnetizing clamp according to claim 2, it is characterised in that the launched portion point includes pad
Block, some mandrils, head board and release backing plate, the cushion block magnetize positioned at amendment iron core and outer fill between iron core with what is be encircled into
Effective coverage, to support product to be magnetized, and moves up and down in effective coverage of magnetizing；It is solid between the head board and release backing plate
Fixed connection；Some mandrils are threaded through in cartridge part, the upper end contact cushion block, lower end be fixed on head board with release backing plate it
Between.
9. radial direction quadrupole sine magnetizing clamp according to claim 8, it is characterised in that some mandrils are circumferentially square
To being equally spaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485192.XA CN108010658B (en) | 2017-12-29 | 2017-12-29 | Radial quadrupole high-precision sine magnetizing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485192.XA CN108010658B (en) | 2017-12-29 | 2017-12-29 | Radial quadrupole high-precision sine magnetizing clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108010658A true CN108010658A (en) | 2018-05-08 |
| CN108010658B CN108010658B (en) | 2020-11-24 |
Family
ID=62049618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711485192.XA Active CN108010658B (en) | 2017-12-29 | 2017-12-29 | Radial quadrupole high-precision sine magnetizing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108010658B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616277A (en) * | 2018-12-28 | 2019-04-12 | 上海三环磁性材料有限公司 | A kind of end face multipole permanent magnet sine wave magnetizing clamp |
| CN111105918A (en) * | 2019-12-31 | 2020-05-05 | 上海三环磁性材料有限公司 | Permanent magnet rotor composite magnetizing device |
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|---|---|---|---|---|
| CN2399807Y (en) * | 1999-12-14 | 2000-10-04 | 皖南氟塑料泵阀厂 | Multiple polar heads magnetizing clamps |
| CN104008848A (en) * | 2013-12-20 | 2014-08-27 | 横店集团东磁股份有限公司 | Multi-pole magnetization device for magnetic ring |
| KR101556214B1 (en) * | 2014-03-28 | 2015-09-30 | (주)대한특수금속 | Magnetizing yoke device with cooling system |
| US20150349615A1 (en) * | 2014-05-28 | 2015-12-03 | Baldor Electric Company | Method of Constructing a Rotor for a Line Start Interior Permanent Magnet Motor |
| CN106710784A (en) * | 2016-12-30 | 2017-05-24 | 上海三环磁性材料有限公司 | Radial two-pole magnetizing fixture |
| CN107393679A (en) * | 2017-07-28 | 2017-11-24 | 始兴县标准微型马达有限公司 | A kind of DC micromotor magnetizer and the component that magnetizes |
-
2017
- 2017-12-29 CN CN201711485192.XA patent/CN108010658B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2399807Y (en) * | 1999-12-14 | 2000-10-04 | 皖南氟塑料泵阀厂 | Multiple polar heads magnetizing clamps |
| CN104008848A (en) * | 2013-12-20 | 2014-08-27 | 横店集团东磁股份有限公司 | Multi-pole magnetization device for magnetic ring |
| KR101556214B1 (en) * | 2014-03-28 | 2015-09-30 | (주)대한특수금속 | Magnetizing yoke device with cooling system |
| US20150349615A1 (en) * | 2014-05-28 | 2015-12-03 | Baldor Electric Company | Method of Constructing a Rotor for a Line Start Interior Permanent Magnet Motor |
| CN106710784A (en) * | 2016-12-30 | 2017-05-24 | 上海三环磁性材料有限公司 | Radial two-pole magnetizing fixture |
| CN107393679A (en) * | 2017-07-28 | 2017-11-24 | 始兴县标准微型马达有限公司 | A kind of DC micromotor magnetizer and the component that magnetizes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616277A (en) * | 2018-12-28 | 2019-04-12 | 上海三环磁性材料有限公司 | A kind of end face multipole permanent magnet sine wave magnetizing clamp |
| CN111105918A (en) * | 2019-12-31 | 2020-05-05 | 上海三环磁性材料有限公司 | Permanent magnet rotor composite magnetizing device |
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| Publication number | Publication date |
|---|---|
| CN108010658B (en) | 2020-11-24 |
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