CN209076945U - A kind of SMC material insulating wrapped device - Google Patents
A kind of SMC material insulating wrapped device Download PDFInfo
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- CN209076945U CN209076945U CN201821805173.0U CN201821805173U CN209076945U CN 209076945 U CN209076945 U CN 209076945U CN 201821805173 U CN201821805173 U CN 201821805173U CN 209076945 U CN209076945 U CN 209076945U
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- puff prot
- smc material
- coating cavity
- annular coating
- insulating wrapped
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Abstract
The utility model discloses a kind of SMC material insulating wrapped devices, belong to SMC material preparation technical field, the SMC material insulating wrapped device includes annular coating cavity, the lower part side of the annular coating cavity is provided with the first puff prot of direction upward, and the top of the annular coating cavity is provided with feed inlet above first puff prot；The lower part other side of the annular coating cavity is provided with the second puff prot of direction horizontally toward first puff prot, and the top of the annular coating cavity is provided with the atomizer being atomized for that will coat medium solution above second puff prot.The utility model can be avoided powder reunion, and the uniform complete cladding of all powders is realized in the lasting rotation contact that covering is atomized in atmosphere by powder, the formation for promoting complete clad improves the magnetic property of SMC material obtained, reduces the loss of SMC material.
Description
Technical field
The utility model relates to SMC material preparation technical fields, particularly relate to a kind of SMC material insulating wrapped device.
Background technique
It is different from traditional soft magnetic materials, soft-magnetic composite material (Soft Magnetic Composite, SMC) is pure
The covering material of one layer of the soft magnetic powders such as iron powder, iron alloy powder surface recombination or several layers of high resistivities is added with lubricant etc.
Agent is prepared by powder metallurgical technique after mixing.SMC material has high saturation and magnetic intensity, high magnetic permeability and low damage
Consumption can be prepared by adjusting formula and technique applied to power frequency to the device within the scope of tens kHz.It is laminated with traditional
Silicon steel material is compared, and SMC material internal air gap is uniformly distributed, and is had magnetic, hot Three-Dimensional Isotropic, can be broken two dimensional flux
The limitation of distribution designs the device of three-dimensional magnetic circuit distribution；In addition, SMC material has good mouldability, it can be by being molded into
Type is prepared into the component of various complicated shapes.
Prepare high magnetic saturation intensity, the key of low-loss SMC material is uniformly complete in one layer of soft magnetic particles surface formation
Whole high resistivity clad, and realize that the insulating wrapped technique of this structure is the critical process for guaranteeing material property.At present
The inorganic-organic cladding process of insulating wrapped can be achieved mostly to rotate blender as apparatus carriers, carrying out phosphoric acid, organic resin
When the cladding of equal media, it is necessary to just start turning mixing after in advance pouring into configured medium solution in soft magnetic particles.Cause
This, the particle being in contact at first with solution is fully wrapped around by liquid, and humidity is very big, it is easy to reunite in mixed process together,
And other particles then will appear the phenomenon that cladding does not coat even not exclusively；The mistake especially mixed with organic resin medium
Cheng Zhong, even if still having larger viscosity after being diluted to solution, is easier since resin viscosity is very big during mixing cladding
It causes the reunion of partial particulate to lead to finally to coat result uneven, causes to influence final SMC material loss and applying frequency model
It encloses.
Utility model content
It can be avoided magnetic powder the technical problem to be solved by the present invention is to provide one kind to reunite, realize all dispersed-powders
The SMC material insulating wrapped device completely coated.
In order to solve the above technical problems, the utility model offer technical solution is as follows:
A kind of SMC material insulating wrapped device, including annular coating cavity, in which:
The lower part side of the annular coating cavity is provided with the first puff prot of direction upward, the annular coating cavity
Top be provided with feed inlet above first puff prot；
It is described annular coating cavity the lower part other side be provided with direction horizontally toward first puff prot second spray
The top of port, the annular coating cavity is provided with for that will coat medium solution atomization above second puff prot
Atomizer；
Powder can be blown to suspended state by first puff prot, and second puff prot is for cooperating first spray
Port makes powder loopy moving in the annular coating cavity.
Further, first puff prot and the second puff prot connect air or coat medium solution by air pump is atomized
Gas gas source.
Further, discharge port is provided in the middle part of the lower section of the annular coating cavity.
Further, the surface of the annular coating cavity is provided with heating interlayer.
Further, the SMC material insulating wrapped device further includes air compressor, cladding medium solution bucket and wriggling
Pump, in which:
The air compressor is connected to the atomizer through high-pressure gas pipelines；
The inlet of the peristaltic pump connects the cladding medium solution bucket, and liquid outlet is coated media fluid pipeline and also connects
It is connected to the atomizer；
The high-pressure gas pipelines are set in the cladding media fluid pipeline external.
Further, the outside of the cladding medium solution bucket is provided with water bath device.
The utility model has the following beneficial effects:
Powder, the suspension of dispersion is blown to by the first puff prot by the SMC material insulating wrapped device of the utility model
State makes the powder of dispersion in the annular packet full of cladding medium solution atomization gas then under the collective effect of the second puff prot
Cover loopy moving in cavity, all powders and cladding medium solution atomization gas real-time contact with mix, the atomization of powder and disperse
Gas have sufficient touch opportunity, it can be achieved that powder and atomized drop continuous contact, atomized drop can be with powder solid particle table
Face contacts rapidly completion package, and the humidity moment on powder surface will not be made to increase, and so as to avoid powder from reuniting, and passes through
The uniform complete cladding of all powders is realized in lasting rotation contact of the powder in covering atomization atmosphere, promotes complete cladding
The formation of layer improves the magnetic property of SMC material obtained, reduces the loss of SMC material.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the SMC material insulating wrapped device of the utility model；
Fig. 2 for atomizer institute attached device in Fig. 1 structural schematic diagram.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model provides a kind of SMC material insulating wrapped device, as shown in Figure 1, include annular coating cavity 1,
In:
The lower part side of annular coating cavity 1 is provided with the first puff prot 2 of direction upward, annular coating cavity 1 it is upper
Portion is provided with feed inlet 3 in the top of the first puff prot 2；
The lower part other side of annular coating cavity 1 is provided with the second puff prot 4 of direction horizontally toward the first puff prot 2,
The top of annular coating cavity 1 is provided with the atomizer for that will coat medium solution atomization in the top of the second puff prot 4
5；
Powder can be blown to suspended state by the first puff prot 2, and the second puff prot 4 is for cooperating the first puff prot 2 to make powder
Material loopy moving in annular coating cavity 1.
In use, making the atomization gas full of cladding medium solution in annular coating cavity 1 first with atomizer 5, then
It opens the first puff prot 2 and is put into powder to be covered from feed inlet 3, at this moment powder can be blown suspended state for dispersion,
The second puff prot 4 is opened later, and under the collective effect of the first puff prot 2 and the second puff prot 4, the powder of dispersion is wrapped in annular
Cover loopy moving (as indicated by the dashed arrow in fig. 1) in cavity 1.The position setting of second puff prot 4 on the one hand can be on it
It is rectangular to be drawn through the powder that suspended state is blown to by the first puff prot 2 at negative pressure to be recycled with being formed, it on the other hand can also general
The powder for falling to bottom, which is blown at the first puff prot 2, makes it be blown to suspended state again to be recycled.Powder is dispelled
It does not contact with each other in annular coating cavity 1, is directly come into full contact with the atomization gas of disperse afterwards.In the process, powder is mutual
It does not contact, not will cause mutual reunion, meanwhile, the powder surface of solids directly contacts atomizing medium gas, can make whole surface
Chance with impartial contact cladding medium, to form complete clad on powder surface.And pass through control powder
The number recycled in annular coating cavity 1 and time etc., can be easy to get the clad of different-thickness.
Therefore, powder is blown to the outstanding of dispersion by the first puff prot by the SMC material insulating wrapped device of the utility model
Floating state makes the powder of dispersion in the ring full of cladding medium solution atomization gas then under the collective effect of the second puff prot
Loopy moving in shape coating cavity, all powders and cladding medium solution atomization gas real-time contact with mix, powder and disperse
Atomization gas have sufficient touch opportunity, it can be achieved that powder and atomized drop continuous contact, atomized drop can be with powder solid
Grain surface contacts rapidly completion package, and the humidity moment on powder surface will not be made to increase, so as to avoid powder from reuniting, and
The uniform complete cladding for realizing all powders in the lasting rotation contact that covering is atomized in atmosphere by powder, promotes complete
The formation of clad improves the magnetic property of SMC material obtained, reduces the loss of SMC material.And relative to existing skill
The cladding process such as the spray of art, the utility model can save cladding due to being coated using cladding medium solution atomization gas
Medium consumption reduces environmental pressure, reduces cost.
In the utility model, the first puff prot 2 can connect air by air pump with the second puff prot 4；Alternatively, can also be with
Cladding medium solution atomization gas gas source is connected by air pump, to further increase covered effect, coats medium solution atomization herein
Gas gas source can use the atomized gas of various modes such as ultrasonic atomization, electrothermal atomization and store use.
The position of discharge port can according to need flexible setting, such as can be set in the side of annular coating cavity 1, so
And be preferably provided in the middle part of the lower section of annular coating cavity 1, as shown in figure label 12, to facilitate feeding and easy to form continuous
Production is not shut down.Heating interlayer (not shown) has can be set in the surface of annular coating cavity 1, to heat to cavity, makes
Powder dry tack free speed becomes faster, and improves cladding speed.
Preferably, atomizer 5 can use spraying high-pressure gas atomizing type, the relevant device connected it is specific
Structure can be such that
As shown in Fig. 2, SMC material insulating wrapped device may also include air compressor 6, cladding medium solution bucket 7 and compacted
Dynamic pump 8, in which:
Air compressor 6 is connected to atomizer 5 through high-pressure gas pipelines 9, can also add high pressure gas for convenience of connection
External hose 12 is to carry out transition connection；The inlet connection cladding medium solution bucket 7 of peristaltic pump 8, liquid outlet is coated medium
Fluid pipeline 10 is also connected to atomizer 5, can also equally add cladding solution external hose 13 to carry out transition connection；High pressure
Gas pipeline 9 and cladding media fluid pipeline 10 can be straight tube, and high-pressure gas pipelines 9 are set in cladding media fluid pipeline
Outside 10.
Further, the outside for coating medium solution bucket 7 is also provided with water bath device 11, to cladding medium solution
Bucket 7 is heated.
In use, opening water bath device 11, temperature can be 60-90 DEG C, and configured cladding medium solution is poured into packet
Medium solution bucket 7 is covered, is placed it in water bath device 11；After medium solution temperature to be covered reaches requirement, air pressure is opened
Contracting machine 6 and peristaltic pump 8 make pressure-air and cladding medium solution enter atomizer 5, the high pressure gas at atomizer 5 respectively
Body is sprayed onto annular coating cavity 1 on the solid powder of loopy moving after coating medium solution atomization.In the process, it wraps
It covers medium and keeps temperature constant by water bath device, promote it in the attachment on powder surface and its volatilization of retarder thinner, pass through
The controllable cladding medium liquid inlet volume size of peristaltic pump and interval, the mode that intermittent feed liquor can be used make powder rotation mixing more
Sufficiently.Using this equipment, can avoid causing cladding uneven since humidity crosses macro aggregate between powder, while powder table can be made
Face drying becomes easier to, and the SMC powder with complete clad is obtained after cladding.
Underneath with SMC material insulating wrapped device shown in the utility model Fig. 1-2 and traditional taper blender into
The first layer of the insulating wrapped comparative experiments of row water-atomized iron powder, selected cladding medium is phosphoric acid-acetone soln, and the second layer is
Magnet ring is made through compression molding and heat treatment process after insulating wrapped technique in organic resin-acetone soln, and test correlated performance is such as
Shown in the following table 1:
Table 1:
| Density (g/cm3) | Umax | Bs(T) | (W/Kg) is lost under 1000Hz | |
| The device of the utility model | 7.38 | 319 | 1.43 | 118 |
| Traditional taper blender | 7.30 | 278 | 1.38 | 145 |
By comparative test result as can be seen that the SMC material insulating wrapped device using the utility model insulate
The prepared SMC material magnetic property of cladding and loss characteristic are better than using material prepared by traditional taper blender
Can, achieve the purpose that improve SMC material performance.Using SMC material brought by utility model device shown in test result
The raising of material performance is since insulating wrapped process effectively inhibits the reunion of magnetic powder, by making all magnetic powders coat chamber in annular
Cycle rotation in medium solution atomization atmosphere is coated in body, make all magnetic powders and insulating wrapped medium it is having the same contact it is several
Rate can form complete uniform clad on each powder surface after cladding, to improve the performance of material.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (6)
1. a kind of SMC material insulating wrapped device, which is characterized in that including annular coating cavity, in which:
The lower part side of the annular coating cavity is provided with the first puff prot of direction upward, the annular coating cavity it is upper
Portion is provided with feed inlet above first puff prot；
The lower part other side of the annular coating cavity is provided with the second puff prot of direction horizontally toward first puff prot,
The top of the annular coating cavity is provided with the mist for that will coat medium solution atomization above second puff prot
Change nozzle；
Powder can be blown to suspended state by first puff prot, and second puff prot is for cooperating first puff prot
Make powder loopy moving in the annular coating cavity.
2. SMC material insulating wrapped device according to claim 1, which is characterized in that first puff prot and second
Puff prot connects air or cladding medium solution atomization gas gas source by air pump.
3. SMC material insulating wrapped device according to claim 1, which is characterized in that under the annular coating cavity
Side middle part is provided with discharge port.
4. SMC material insulating wrapped device according to claim 1, which is characterized in that the table of the annular coating cavity
Face is provided with heating interlayer.
5. SMC material insulating wrapped device according to any one of claims 1-4, which is characterized in that the SMC material is exhausted
Edge coating unit further includes air compressor, cladding medium solution bucket and peristaltic pump, in which:
The air compressor is connected to the atomizer through high-pressure gas pipelines；
The inlet of the peristaltic pump connects the cladding medium solution bucket, and liquid outlet is coated media fluid pipeline and is also connected to
The atomizer；
The high-pressure gas pipelines are set in the cladding media fluid pipeline external.
6. SMC material insulating wrapped device according to claim 5, which is characterized in that the cladding medium solution bucket
Outside is provided with water bath device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821805173.0U CN209076945U (en) | 2018-11-02 | 2018-11-02 | A kind of SMC material insulating wrapped device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821805173.0U CN209076945U (en) | 2018-11-02 | 2018-11-02 | A kind of SMC material insulating wrapped device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209076945U true CN209076945U (en) | 2019-07-09 |
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ID=67122326
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821805173.0U Active CN209076945U (en) | 2018-11-02 | 2018-11-02 | A kind of SMC material insulating wrapped device |
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| CN (1) | CN209076945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257561A (en) * | 2021-04-20 | 2021-08-13 | 深圳顺络电子股份有限公司 | Insulating coated alloy powder and preparation method thereof |
-
2018
- 2018-11-02 CN CN201821805173.0U patent/CN209076945U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257561A (en) * | 2021-04-20 | 2021-08-13 | 深圳顺络电子股份有限公司 | Insulating coated alloy powder and preparation method thereof |
| CN113257561B (en) * | 2021-04-20 | 2022-08-23 | 深圳顺络电子股份有限公司 | Insulating coated alloy powder and preparation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 276017 Building No. 282, Shuangyuehu Road, Linyi High-tech Zone, Shandong Province 101 Patentee after: Shandong Jingchuang Technology Research Institute of Magnetoelectrics Industry Co., Ltd. Address before: 276017 Building No. 282, Shuangyuehu Road, Linyi High-tech Zone, Shandong Province 101 Patentee before: Shandong Jingchuang Functional Composites Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |