CN108816453A - A kind of electromagnetic shielding crushing processor and its technique of magnetic material - Google Patents
A kind of electromagnetic shielding crushing processor and its technique of magnetic material Download PDFInfo
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- CN108816453A CN108816453A CN201810392961.XA CN201810392961A CN108816453A CN 108816453 A CN108816453 A CN 108816453A CN 201810392961 A CN201810392961 A CN 201810392961A CN 108816453 A CN108816453 A CN 108816453A
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- magnetic material
- electromagnetic shielding
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- magnetically soft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
- B02C19/066—Jet mills of the jet-anvil type
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- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
A kind of electromagnetic shielding crushing processor of magnetic material, it includes that an aerodynamic atomization crushes chamber, a round roller axis mechanism is provided in aerodynamic atomization crushing chamber room, the arc groove briquetting nozzle that is provided with for setting gap is stayed above round roller axis mechanism, the pulsed solenoid valve that aerodynamic atomization crushing exterior thereto is arranged in by one in arc groove briquetting nozzle is connected with a pressure-air air inlet and a SiC abrasive material feed inlet；The lower section that aerodynamic atomization crushes chamber is communicated with an abrasive air stream by an air stream outlet and collects separator, 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 of the invention institute's fragmentation comes out are uniformly clear mellow and full, due to the channel effect of fragmentation particle, magnetic material has the stability of 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 invention belongs to magnetic materials in the wireless power transmission of power electronics magnetic cell and electromagnetic shielding application field, tool
It is related to a kind of fragmentation processing technique of wireless charging electromagnetic shielding magnetic material for body.
Background technique
In recent years, popularizing with smart phone, digital camera, tablet computer and other small portable mobile devices,
The power supply of more and more electronic equipments starts to be saved a large amount of charger and data line using wireless charging technology, be both
It solves the problems, such as that the interface of current electronic equipment is unmatched, greatly facilitate the Working Life habit of people and saves society
Resource.
Wireless charging technology is that electric energy is transmitted to electricity consumption from power supply transmitting end-coil using certain power conversion technology 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
In the antifreeze plate for placing a kind of higher magnetic conductive material at the coil back side, this antifreeze plate can not only be provided for electromagnetism field energy and be led
Magnet passage, and electromagnetic energy can be reduced in the Leakage flux distribution in winding space space, shield high-frequency electromagnetic field energy to battery and its
Other metal parts of mobile phone of surrounding penetrate, and reduce eddy-current loss.
For the requirement for adapting to its frequency applications, antifreeze plate progress mechanical disintegration is usually 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's fragmentation comes out mostly is uneven in random, rough surface, size
Flakey, a large amount of larger-size particles and clast is locally present, 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 of mobile phone back
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.
Summary of the invention
In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a kind of fragmentation of electromagnetic shielding magnetic material processing
Device and its treatment process, diskette grain shape more regular uniform, the edge crack which comes out are uniformly clear
Clear mellow and full, due to the channel effect of fragmentation particle, magnetic material has higher and good linear magnetic conductivity, good frequency and temperature
Stability, the advantages that high frequency eddy current losses are low, electromagnetic transfer high conversion efficiency.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme：
A kind of electromagnetic shielding crushing processor of magnetic material a comprising aerodynamic atomization crushes chamber, the aerodynamic atomization powder
It is provided with a round roller axis mechanism in broken chamber, stays set gap to be provided with an arc groove briquetting above the round roller axis mechanism
The pulsed solenoid valve that the aerodynamic atomization crushes exterior thereto is arranged in by one in nozzle, the arc groove briquetting nozzle
It is connected with a pressure-air air inlet and a SiC abrasive material feed inlet；The lower section that the aerodynamic atomization crushes chamber passes through an air-flow
Outlet has an abrasive air stream to collect separator, is provided with an abrasive grain below the abrasive air stream collection separator and collects out
Material mouth, side are connected with a filter exhaust mouth.
Further, the side that the aerodynamic atomization crushes chamber 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 passes through carrying release film rewinding gas expansion shaft machine
Structure and magnetically soft alloy rewinding gas expansion shaft mechanism are carried out to described in the carrying release film band and the magnetically soft alloy band respectively
Winding.
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 item
Nozzle, the length of the tiny bar shaped sealing nozzle are 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 and the axial plane of stating groove port are separated by the gap of 1-10mm.
Further, the back side of the magnetically soft alloy band is provided with the double-sided adhesive 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 material feed inlet access SiC abrasive grain is 0.01-0.1mm.
The device of the invention course of work approximately as：
The fragmentation treatment process of electromagnetic shielding magnetic material is the high pressure draught that SiC abrasive grain will be contaminated with by pulsed solenoid valve
Pulse interval is sent in tiny tiny bar shaped sealing nozzle, is collected by tiny clearance channel and is generated impacting with high pressure work
With 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
Magnetically soft alloy magnetic material item takes, under the impact collective effect of round roller axis mechanism and the SiC particulate of high speed injection, by magnetically soft alloy
To be uniform by a series of distribution of shapes, edge crack is clear for magnetic material fragmentation, and the more tiny scale particle of size forms soft
Magnetic alloy roll-in band.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the innovative point and advantage important as of the invention one are to use the round roller axis that surface has special stamp line,
It is acted on by the round roller axis coining of special stamp line, magnetically soft alloy band fragmentation can be become to the scale particle of regular uniform.
2, it is to use as another important innovative point of the invention and advantage and applies high-speed gas atomization injection
SiC particulate, by the strong impact power for the SiC particulate that high-speed pulse sprays, the magnetically soft alloy band that will be attached on reticulate pattern roll surface
It is fragmented into the magnetic material formed for a series of scale particle being more evenly distributed by tiny destination edges.This fine uniform is intergranular
Crack effect, to stablize high frequency magnetic material internal magnetization tool play a very important role, greatly reduce magnetic material high frequency eddy current losses,
So as to be obviously improved the high-frequency electromagnetic efficiency of transmission of magnetic material.
3, it is the provision of a closed aerodynamic atomization as another important innovative point and advantage again of the invention
The entire fragmentation treatment process of chamber, magnetic material is completed in this aerodynamic atomization chamber, and aerodynamic atomization particle does not diffuse into outer
Portion space, therefore it can ensure that processing operating environment completely without fugitive dust.
4, solenoid valve control jet impact atomization air flow is passed through using the breaking treatment process that the device of the invention carries out
Burst length need to can be only achieved by the road fragmentation 5-8 process repeatedly compared to traditional magnetic material breaking treatment process and meet electricity
The fine particle of magnetic property requirements, technique of the invention can disposably obtain the tiny rule of grain shape in a very short period of time
Then, edge uniformly and the electromagnetic shielding magnetic material that meets the requirements of electromagnetic performance, to substantially increase production efficiency.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the systematic schematic diagram of the crushing processor of electromagnetic shielding magnetic material of the invention.
Fig. 2 is the fragmentation treatment effect figure of the crushing processor of electromagnetic shielding magnetic material of the invention.
Specific embodiment
It is below with reference to the accompanying drawings and in conjunction with the embodiments, next that the present invention will be described in detail.
Embodiment 1：
It is shown in Figure 1, a kind of electromagnetic shielding crushing processor of magnetic material a comprising aerodynamic atomization crushes chamber 4, institute
It states in aerodynamic atomization crushing chamber 4 and is provided with a round roller axis mechanism 9, the setting for setting gap is stayed in the top of the round roller axis mechanism 9
There is an arc groove briquetting nozzle 8, the arc groove briquetting nozzle 8 crushes chamber 4 in the aerodynamic atomization by a setting
External pulsed solenoid valve 5 is connected with a pressure-air air inlet 6 and a SiC abrasive material feed inlet 7；The aerodynamic atomization powder
The lower section of broken chamber 4 is communicated with an abrasive air stream by an air stream outlet 13 and collects separator 14, and the abrasive air stream, which is collected, to be divided
Lower section from device 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 that the aerodynamic atomization crushes 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
It is wound described in the magnetically soft alloy band 18.
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 item
Nozzle, the length of the tiny bar shaped sealing nozzle are 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 and the axial plane are separated by the gap of 1-10mm.
Further, the back side of the magnetically soft alloy band 18 is provided with the double-sided adhesive of PET base material.
Embodiment 2：
The present embodiment is the technological parameter setting carried out based on the revealed device of embodiment 1：
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 material feed inlet 7 accesses SiC abrasive grain is 0.01-0.1mm.
The high pressure draught pulse interval for being contaminated with SiC abrasive grain 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, as shown in Figure 2.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. the crushing processor that a kind of electromagnetic shielding uses 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 by one in the air-flow mist
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 material
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 that electromagnetic shielding according to claim 1 uses magnetic material, 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 that electromagnetic shielding according to claim 2 uses magnetic material, 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 described to be wound.
4. the crushing processor that electromagnetic shielding according to claim 1 uses magnetic material, 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 that electromagnetic shielding according to claim 4 uses magnetic material, it is characterised in that：The grid escutcheon
It is linear for rectangle, taper, triangle, diamond shape or item.
6. the crushing processor that electromagnetic shielding according to claim 1 uses magnetic material, 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 item, the tiny bar shaped sealing nozzle
Length be 10mm-100mm, width 0.1mm-5mm.
7. the crushing processor that electromagnetic shielding according to claim 6 uses magnetic material, 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 that electromagnetic shielding according to claim 1 uses magnetic material, 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 that electromagnetic shielding according to claim 3 uses magnetic material, it is characterised in that：The magnetically soft alloy
Band（18）The back side be provided with the double-sided adhesive of PET base material.
10. the breaking treatment process of the crushing processor of electromagnetic shielding magnetic material as claimed in claims 1-9, feature exist
In：
The pulsed solenoid valve（5）The work frequency be 20-100 times/min；
The pressure-air air inlet（6）The pressure of the high pressure gas of access is 5MPa-20MPa；
The SiC abrasive material feed inlet（7）The median D50 for accessing SiC abrasive grain is 0.01-0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392961.XA CN108816453A (en) | 2018-04-27 | 2018-04-27 | A kind of electromagnetic shielding crushing processor and its technique of magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392961.XA CN108816453A (en) | 2018-04-27 | 2018-04-27 | A kind of electromagnetic shielding crushing processor and its technique of magnetic material |
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| Publication Number | Publication Date |
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| CN108816453A true CN108816453A (en) | 2018-11-16 |
Family
ID=64155719
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810392961.XA Pending CN108816453A (en) | 2018-04-27 | 2018-04-27 | A kind of electromagnetic shielding crushing processor and its technique of magnetic material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590061A (en) * | 2019-01-14 | 2019-04-09 | 东莞市坤宏电子科技有限公司 | A kind of fitting crushing mechanism for antifreeze plate |
| CN109590062A (en) * | 2019-01-14 | 2019-04-09 | 东莞市坤宏电子科技有限公司 | A kind of broken linkage mechanism of the fitting for antifreeze plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202174244U (en) * | 2011-06-11 | 2012-03-28 | 山东理工大学 | Air atomization rapid solidification magnetic abrasive preparing, feeding and mixing device |
| CN105803601A (en) * | 2015-01-02 | 2016-07-27 | 中原工学院 | Method for preparing graphene composite fibers through coating method |
| CN106311440A (en) * | 2016-08-30 | 2017-01-11 | 周易 | Airflow crushing unit |
| CN206676605U (en) * | 2017-03-11 | 2017-11-28 | 无锡中星新材料科技股份有限公司 | A kind of atomizing mould release membrance coating apparatus |
| CN207756256U (en) * | 2018-04-27 | 2018-08-24 | 苏州威斯东山电子技术有限公司 | A kind of crushing processor of electromagnetic shielding magnetic material |
-
2018
- 2018-04-27 CN CN201810392961.XA patent/CN108816453A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202174244U (en) * | 2011-06-11 | 2012-03-28 | 山东理工大学 | Air atomization rapid solidification magnetic abrasive preparing, feeding and mixing device |
| CN105803601A (en) * | 2015-01-02 | 2016-07-27 | 中原工学院 | Method for preparing graphene composite fibers through coating method |
| CN106311440A (en) * | 2016-08-30 | 2017-01-11 | 周易 | Airflow crushing unit |
| CN206676605U (en) * | 2017-03-11 | 2017-11-28 | 无锡中星新材料科技股份有限公司 | A kind of atomizing mould release membrance coating apparatus |
| CN207756256U (en) * | 2018-04-27 | 2018-08-24 | 苏州威斯东山电子技术有限公司 | A kind of crushing processor of electromagnetic shielding magnetic material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590061A (en) * | 2019-01-14 | 2019-04-09 | 东莞市坤宏电子科技有限公司 | A kind of fitting crushing mechanism for antifreeze plate |
| CN109590062A (en) * | 2019-01-14 | 2019-04-09 | 东莞市坤宏电子科技有限公司 | A kind of broken linkage mechanism of the fitting for antifreeze plate |
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