CN207756256U - A kind of crushing processor of electromagnetic shielding magnetic material - Google Patents
A kind of crushing processor of electromagnetic shielding magnetic material Download PDFInfo
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- CN207756256U CN207756256U CN201820621186.6U CN201820621186U CN207756256U CN 207756256 U CN207756256 U CN 207756256U CN 201820621186 U CN201820621186 U CN 201820621186U CN 207756256 U CN207756256 U CN 207756256U
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- magnetic material
- axis mechanism
- electromagnetic shielding
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- magnetically soft
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Abstract
A kind of crushing processor of electromagnetic shielding magnetic material, it includes that an aerodynamic atomization crushes chamber, a round roller axis mechanism is provided in aerodynamic atomization crushing chamber room, stay the arc groove briquetting nozzle that is provided with for setting gap above round roller axis mechanism, arc groove briquetting nozzle is arranged by one to be crushed the pulsed solenoid valve of exterior thereto in aerodynamic atomization and be connected with a pressure-air air inlet and a SiC abrasive material feed inlets；The lower section that aerodynamic atomization crushes chamber is communicated with abrasive air stream collection separator by an air stream outlet, and abrasive air stream, which is collected, is provided with abrasive grain collection discharge port below separator, side is connected with a filter exhaust mouth.Diskette grain shape more regular uniform, the edge crack that the device institute fragmentation of the utility model comes out are uniformly clear mellow and full, due to the channel effect of fragmentation particle, stability of the magnetic material with higher and good linear magnetic conductivity, good frequency and temperature, the advantages that high frequency eddy current losses are low, electromagnetic transfer high conversion efficiency.
Description
Technical field
The utility model belongs to magnetic material in the wireless power transmission of power electronics magnetic cell and electromagnetic shielding application neck
Domain is related to a kind of fragmentation treatment technology of wireless charging electromagnetic shielding magnetic material for specific.
Background technology
In recent years, popularizing with smart mobile phone, digital camera, tablet computer and other small portable mobile devices,
The power supply of more and more electronic equipments starts to use wireless charging technology, saves a large amount of charger and data line, is both
It solves the problems, such as that the interface of current electronic equipment is unmatched, greatly facilitate the Working Life custom of people and saves society
Resource.
Wireless charging technology is that electric energy is transmitted to electricity consumption using certain power conversion technology from power supply transmitting end-coil to connect
Receiving end coil, and the technology to charge for the battery of equipment.To solve the problems, such as interior of mobile phone element and battery-heating, usually
A kind of antifreeze plate of higher magnetic conductive material is being placed at the coil back side, this antifreeze plate can not only be provided for electromagnetism field energy and be led
Magnet passage, and can reduce electromagnetic energy winding space space Leakage flux distribution, shielding high-frequency electromagnetic field energy to battery and its
Other metal parts of mobile phone of surrounding penetrate, and reduce eddy-current loss.
To adapt to the requirement of its frequency applications, antifreeze plate progress mechanical disintegration is typically treated as small alloy
, due to the influence in crack between small alloying pellet, cause its kelvin effect to decline, eddy current effect substantially reduces, while its magnetic
The frequency stability of conductance is enhanced, therefore its high frequency characteristics is remarkably reinforced.
The magnetic-particle that traditional broken magnetism method institute fragmentation comes out mostly is uneven in random, rough surface, size
Flakey, locally lie in a large amount of larger-size particles and clast, or even part occur and fall the microstructures such as piece hole is abnormal
The shortcomings that uncontrollability.Under the conditions of electromagnetic field of high frequency, it is possible that magnetic flux distribution inside large-sized scale particle compared with
It is more, and the magnetic flux distribution inside the particle of small size is less, the magnetic flux distribution in entire magnetic material piece is uneven, by caused part
Fever is serious, and consistency of performance is poor, or even is also possible to that the magnetism isolating effect of its electromagnetic shielding can be reduced, and causes the electricity at the mobile phone back side
There is fever exception in pond and metal electron element, eventually lead to the reduction of its wireless charging efficiency.
Therefore, antifreeze plate surface topography structure fragmentation how to be made to be decomposed into a series of tiny and uniform molecule,
It has become current wireless charging electromagnetic shielding magnetic material and is badly in need of the problem to be solved.
Utility model content
In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a kind of fragmentations of magnetic material of electromagnetic shielding
Processing unit and its treatment process, diskette grain shape more regular uniform, the edge crack which comes out are equal
It is even clear mellow and full, due to the channel effect of fragmentation particle, magnetic material have higher and good linear magnetic conductivity, good frequency and
The advantages that stability of temperature, high frequency eddy current losses are low, electromagnetic transfer high conversion efficiency.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions：
A kind of crushing processor of electromagnetic shielding magnetic material a comprising aerodynamic atomization crushes chamber, the air-flow mist
Change in crushing chamber room and be provided with a round roller axis mechanism, stays set gap to be provided with an arc groove above the round roller axis mechanism
The pulse electromagnetic control that exterior thereto is crushed in the aerodynamic atomization is arranged by one for briquetting nozzle, the arc groove briquetting nozzle
Valve processed is connected with a pressure-air air inlet and a SiC abrasive material feed inlets；The lower section that the aerodynamic atomization crushes chamber passes through one
Air stream outlet is communicated with an abrasive air stream and collects separator, and the abrasive air stream, which is collected, is provided with abrasive grain receipts below separator
Collect discharge port, side is connected with a filter exhaust mouth.
Further, the aerodynamic atomization crush chamber side be provided with a carrying release film blowing gas expansion shaft mechanism,
One magnetically soft alloy blowing gas expansion shaft mechanism and one first valve closed-type feed axis mechanism；The aerodynamic atomization crushes the another of chamber
It is close that side is provided with a carrying release film rewinding gas expansion shaft mechanism, a magnetically soft alloy rewinding gas expansion shaft mechanism and one second valve
Close charging axis mechanism；The first valve closed-type feed axis mechanism and the second valve closed-type feed axis mechanism are separately positioned on described
Aerodynamic atomization crushes on chamber, the inlet and outlet as material transmission.
Further, carrying release film band is provided in the carrying release film blowing gas expansion shaft mechanism, the soft magnetism closes
Magnetically soft alloy band is provided in gold bar blowing gas expansion shaft mechanism, the carrying release film band and magnetically soft alloy band are laminated same
When from the first valve closed-type feed axis mechanism enter aerodynamic atomization crushing chamber room in, it is recessed to be then then passed through the arc
Gap between slot briquetting nozzle and the round roller axis mechanism, the magnetically soft alloy band bypass and are tightly attached to the round roller axis machine
It on the surface of structure, finally goes out from the second valve closed-type feed axis mechanism, and by carrying release film rewinding gas expansion shaft machine
Structure and magnetically soft alloy rewinding gas expansion shaft mechanism respectively wind the carrying release film band and the magnetically soft alloy band.
Preferably, the outer surface of the round roller axis mechanism is printed on the grid escutcheon of high-frequency quenching processing.
Preferably, the grid escutcheon is that rectangle, taper, triangle, diamond shape or item are linear.
Preferably, the inside of the arc groove briquetting nozzle is cavity, and groove surface is provided with the tiny bar shaped sealing of 1-20 items
The length of nozzle, the tiny bar shaped sealing nozzle is 10mm-100mm, width 0.1mm-5mm.
Preferably, the angle that the axial plane of the tiny bar shaped sealing nozzle and the round roller axis mechanism is formed is at 30 ° -90 °
Between.
Further, the groove port of the arc groove briquetting nozzle and the axial plane of the round roller axis mechanism match, institute
The arcwall face for stating groove port is separated by the gap of 1-10mm with the axial plane.
Further, the back side of the magnetically soft alloy band is provided with the double faced adhesive tape of PET base material.
Further, above-mentioned electromagnetic shielding is set as with the breaking treatment process of the crushing processor of magnetic material：
The work frequency of the pulsed solenoid valve is 20-100 times/min；
The pressure of the high pressure gas of the pressure-air air inlet access is 5MPa-20MPa；
The median D50 of the SiC abrasive materials feed inlet access SiC abrasive grains is 0.01-0.1mm.
The device course of work of the utility model approximately as：
The fragmentation processing procedure of electromagnetic shielding magnetic material is that the high pressure of SiC abrasive grains will be contaminated with by pulsed solenoid valve
Air-flow pulse interval is sent in tiny tiny bar shaped sealing nozzle, collects generation impacting with high pressure by tiny clearance channel
SiC particulate high-speed flow is struck against the release film surface of carrying according to certain angle, is hit again through release carrier film by effect
It hits magnetically soft alloy magnetic material item to take, under the impact collective effect of round roller axis mechanism and the SiC particulate of high speed injection, soft magnetism is closed
Golden magnetic material fragmentation is uniform by a series of distribution of shapes, and edge crack is clear, the more tiny scale particle composition of size
Magnetically soft alloy roll-in band.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, it is that using surface has special stamp line as important an innovative point and advantage of the utility model
Round roller axis, acted on by the round roller axis coining of special stamp line, magnetically soft alloy band fragmentation can be become to the squama of regular uniform
Piece particle.
2, it is to use application high-speed gas atomization as another important innovative point and advantage of the utility model
SiC particulate is sprayed, by the strong impact power for the SiC particulate that high-speed pulse sprays, the magnetically soft alloy on reticulate pattern roll surface will be attached to
Band is fragmented into the magnetic material formed for a series of scale particle being evenly distributed by tiny destination edges.This fine uniform particle
Between crack effect, to stablize high frequency magnetic material internal magnetization tool play a very important role, greatly reduce the high-frequency vortex of magnetic material
Loss, so as to making the high-frequency electromagnetic efficiency of transmission of magnetic material be obviously improved.
3, it is the provision of a closed air-flow as another important innovative point and advantage again of the utility model
The entire fragmentation processing procedure of nebulization chamber, magnetic material is completed in this aerodynamic atomization chamber, and aerodynamic atomization particle will not be spread
To exterior space, therefore it can ensure that processing operating environment totally without airborne dust.
4, the breaking treatment process carried out using the device of the utility model passes through solenoid valve control jet impact atomization gas
The burst length of stream need to pass through repeatedly the roads fragmentation 5-8 process compared to traditional magnetic material breaking treatment process and can be only achieved symbol
The fine particle that electromagnetic performance requires is closed, the technique of the utility model can disposably obtain grain shape within the extremely short time
Tiny rule, edge uniformly and the electromagnetic shielding magnetic material that meets the requirements of electromagnetic performance, to substantially increase production efficiency.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.Specific embodiment of the present utility model is shown in detail by following embodiment and its attached drawing.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is the systematic schematic diagram of the crushing processor of the electromagnetic shielding magnetic material of the utility model.
Specific implementation mode
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
Embodiment 1：
It is shown in Figure 1, a kind of crushing processor of electromagnetic shielding magnetic material a comprising aerodynamic atomization crushes chamber
4, the aerodynamic atomization crushes in chamber 4 and is provided with a round roller axis mechanism 9, and the top of the round roller axis mechanism 9, which is stayed, sets gap
It is provided with an arc groove briquetting nozzle 8, the arc groove briquetting nozzle 8 is arranged by one in the aerodynamic atomization crushing chamber
Pulsed solenoid valve 5 outside room 4 is connected with a pressure-air air inlet 6 and a SiC abrasive materials feed inlet 7；The air-flow mist
The lower section for changing crushing chamber 4 is communicated with abrasive air stream collection separator 14 by an air stream outlet 13, and the abrasive air stream is received
The lower section of collection separator 14 is provided with an abrasive grain and collects discharge port 15, and side is connected with a filter exhaust mouth 16.
Further, the side of the aerodynamic atomization crushing chamber 4 is provided with a carrying release film blowing gas expansion shaft mechanism
1, a magnetically soft alloy blowing gas expansion shaft mechanism 2 and one first valve closed-type feed axis mechanism 3；The aerodynamic atomization crushes chamber
4 other side is provided with a carrying release film rewinding gas expansion shaft mechanism 12, a magnetically soft alloy rewinding gas expansion shaft mechanism 11 and one
Second valve closed-type feed axis mechanism 10；The first valve closed-type feed axis mechanism 3 and the second valve closed-type feed axis mechanism
10, which are separately positioned on the aerodynamic atomization, crushes on chamber 4, the inlet and outlet as material transmission.
Further, carrying release film band 17, the soft magnetism are provided in the carrying release film blowing gas expansion shaft mechanism 1
Magnetically soft alloy band 18, the carrying release film band 17 and magnetically soft alloy band are provided in alloy bar blowing gas expansion shaft mechanism 2
Enter the aerodynamic atomization from the first valve closed-type feed axis mechanism 3 while 18 stacking to crush in chamber 4, then wear again
The gap between the arc groove briquetting nozzle 8 and the round roller axis mechanism 9 is crossed, the magnetically soft alloy band 18 is around simultaneously tight
It is attached on the surface of the round roller axis mechanism 9, finally goes out from the second valve closed-type feed axis mechanism 10, and pass through carrying
Release film rewinding gas expansion shaft mechanism 12 and magnetically soft alloy rewinding gas expansion shaft mechanism 11 are respectively to 17 He of carrying release film band
The magnetically soft alloy band 18 is wound.
Preferably, the outer surface of the round roller axis mechanism 9 is printed on the grid escutcheon of high-frequency quenching processing.
Preferably, the grid escutcheon is that rectangle, taper, triangle, diamond shape or item are linear.
Preferably, the inside of the arc groove briquetting nozzle 8 is cavity, and groove surface is provided with the tiny bar shaped sealing of 1-20 items
The length of nozzle, the tiny bar shaped sealing nozzle is 10mm-100mm, width 0.1mm-5mm.
Preferably, the angle that the axial plane of the tiny bar shaped sealing nozzle and the round roller axis mechanism 9 is formed is at 30 ° -90 °
Between.
Further, the groove port of the arc groove briquetting nozzle 8 and the axial plane of the round roller axis mechanism 9 match,
The arcwall face of the groove port is separated by the gap of 1-10mm with the axial plane.
Further, the back side of the magnetically soft alloy band 18 is provided with the double faced adhesive tape of PET base material.
Embodiment 2：
The present embodiment is the technological parameter setting carried out based on 1 revealed device of embodiment：
The work frequency of the pulsed solenoid valve 5 is 20-100 times/min；
The pressure for the high pressure gas that the pressure-air air inlet 6 accesses is 5MPa-20MPa；
The median D50 that the SiC abrasive materials feed inlet 7 accesses SiC abrasive grains is 0.01-0.1mm.
The high pressure draught pulse interval for being contaminated with SiC abrasive grains is sent to by pulsed solenoid valve 5 tiny thin
In small bar shaped sealing nozzle, by tiny clearance channel collect generate impacting with high pressure effect, by SiC particulate high-speed flow according to
30 ° -90 ° of angle strikes against the release film surface of carrying, hits magnetically soft alloy magnetic material item again through release carrier film and takes,
It is by a series of by magnetically soft alloy magnetic material fragmentation under the impact collective effect of round roller axis mechanism and the SiC particulate of high speed injection
Distribution of shapes is uniform, and the clear size of edge crack is more tiny（0.1-3mm）Scale particle composition magnetically soft alloy roll-in item
Band, and the scale particle after fragmentation is without tilting, deformation, hole, to fall piece, fold etc. abnormal.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of crushing processor of electromagnetic shielding magnetic material, it is characterised in that：Chamber is crushed including an aerodynamic atomization（4）,
The aerodynamic atomization crushes chamber（4）Inside it is provided with a round roller axis mechanism（9）, the round roller axis mechanism（9）Top stay and set between
Gap is provided with an arc groove briquetting nozzle（8）, the arc groove briquetting nozzle（8）It is arranged in the air-flow mist by one
Change and crushes chamber（4）External pulsed solenoid valve（5）It is connected with a pressure-air air inlet（6）It is fed with a SiC abrasive materials
Mouthful（7）；The aerodynamic atomization crushes chamber（4）Lower section pass through an air stream outlet（13）It is communicated with an abrasive air stream and collects separation
Device（14）, the abrasive air stream collection separator（14）Lower section be provided with an abrasive grain collect discharge port（15）, side is connected with
One filter exhaust mouth（16）.
2. the crushing processor of electromagnetic shielding magnetic material according to claim 1, it is characterised in that：The aerodynamic atomization
Crush chamber（4）Side be provided with a carrying release film blowing gas expansion shaft mechanism（1）, a magnetically soft alloy blowing gas expansion shaft machine
Structure（2）With one first valve closed-type feed axis mechanism（3）；The aerodynamic atomization crushes chamber（4）The other side be provided with one and hold
Carry release film rewinding gas expansion shaft mechanism（12）, a magnetically soft alloy rewinding gas expansion shaft mechanism（11）With one second valve closed-type feed
Axis mechanism（10）；The first valve closed-type feed axis mechanism（3）With the second valve closed-type feed axis mechanism（10）It is respectively set
Chamber is crushed in the aerodynamic atomization（4）On, the inlet and outlet as material transmission.
3. the crushing processor of electromagnetic shielding magnetic material according to claim 2, it is characterised in that：The carrying is release
Film blowing gas expansion shaft mechanism（1）On be provided with carrying release film band（17）, the magnetically soft alloy blowing gas expansion shaft mechanism（2）On
It is provided with magnetically soft alloy band（18）, the carrying release film band（17）With magnetically soft alloy band（18）From described while stacking
First valve closed-type feed axis mechanism（3）Chamber is crushed into the aerodynamic atomization（4）It is interior, then it is then passed through the arc groove
Briquetting nozzle（8）With the round roller axis mechanism（9）Between gap, the magnetically soft alloy band（18）It bypasses and is tightly attached to described
Round roller axis mechanism（9）Surface on, finally from the second valve closed-type feed axis mechanism（10）It goes out, and release by carrying
Film rewinding gas expansion shaft mechanism（12）With magnetically soft alloy rewinding gas expansion shaft mechanism（11）Respectively to the carrying release film band（17）
With the magnetically soft alloy band（18）It is wound.
4. the crushing processor of electromagnetic shielding magnetic material according to claim 1, it is characterised in that：The round roller axis machine
Structure（9）Outer surface be printed on high-frequency quenching processing grid escutcheon.
5. the crushing processor of electromagnetic shielding magnetic material according to claim 4, it is characterised in that：The grid escutcheon
It is linear for rectangle, taper, triangle, diamond shape or item.
6. the crushing processor of electromagnetic shielding magnetic material according to claim 1, it is characterised in that：The arc groove
Briquetting nozzle（8）Inside be cavity, groove surface is provided with the tiny bar shaped sealing nozzle of 1-20 items, the tiny bar shaped sealing nozzle
Length be 10mm-100mm, width 0.1mm-5mm.
7. the crushing processor of electromagnetic shielding magnetic material according to claim 6, it is characterised in that：The tiny bar shaped
Sealing nozzle and the round roller axis mechanism（9）Axial plane formed angle between 30 ° -90 °.
8. the crushing processor of electromagnetic shielding magnetic material according to claim 1, it is characterised in that：The arc groove
Briquetting nozzle（8）Groove port and the round roller axis mechanism（9）Axial plane match, the arcwall face of the groove port and the axis
Face is separated by the gap of 1-10mm.
9. the crushing processor of electromagnetic shielding magnetic material according to claim 3, it is characterised in that：The magnetically soft alloy
Band（18）The back side be provided with the double faced adhesive tape of PET base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621186.6U CN207756256U (en) | 2018-04-27 | 2018-04-27 | A kind of crushing processor of electromagnetic shielding magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621186.6U CN207756256U (en) | 2018-04-27 | 2018-04-27 | A kind of crushing processor of electromagnetic shielding magnetic material |
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| Publication Number | Publication Date |
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| CN207756256U true CN207756256U (en) | 2018-08-24 |
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ID=63180362
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| CN201820621186.6U Active CN207756256U (en) | 2018-04-27 | 2018-04-27 | A kind of crushing processor of electromagnetic shielding magnetic material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816453A (en) * | 2018-04-27 | 2018-11-16 | 苏州威斯东山电子技术有限公司 | A kind of electromagnetic shielding crushing processor and its technique of magnetic material |
-
2018
- 2018-04-27 CN CN201820621186.6U patent/CN207756256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816453A (en) * | 2018-04-27 | 2018-11-16 | 苏州威斯东山电子技术有限公司 | A kind of electromagnetic shielding crushing processor and its technique of magnetic material |
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