CN103056091A - Method and device for online insulating coating on surfaces of amorphous strip and nanocrystalline strip - Google Patents
Method and device for online insulating coating on surfaces of amorphous strip and nanocrystalline strip Download PDFInfo
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- CN103056091A CN103056091A CN2013100319135A CN201310031913A CN103056091A CN 103056091 A CN103056091 A CN 103056091A CN 2013100319135 A CN2013100319135 A CN 2013100319135A CN 201310031913 A CN201310031913 A CN 201310031913A CN 103056091 A CN103056091 A CN 103056091A
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Abstract
Provided are a method and a device for online insulating coating on surfaces of an amorphous strip and a nanocrystalline strip. The device comprises a coating device, a temperature system, and a temperature controlling system. The coating device is used for dip-coating insulation coating liquid on the surface of the amorphous strip, the temperature system and the temperature controlling system control the temperature of the insulation coating liquid, the insulation liquid is dip-coated on the surface of the amorphous strip on line through the coating device after the amorphous strip is sprayed, and an electric insulation coating with uniform thickness is formed on the surface of the amorphous strip and is rolled up after being dried in the air. The coating is uniform in thickness, fine in dielectric strength, and can be formed at one step during strip production, and accordingly production efficiency is improved, while operation and production are facilitated..
Description
Technical field
The present invention relates to the metal material surface processing technology field, relate in particular to method and the device of a kind of amorphous, the online insulating coating in nanocrystalline strip surface.
Background technology
Non-crystaline amorphous metal is owing to there is higher resistivity, itself has again one deck oxide-film as thin as a wafer, generally be can not take coating process, but along with application frequency more and more wider, application scenarios constantly raises, the loss of non-crystaline amorphous metal magnetic material is the trend that increases gradually, and the shared ratio of eddy-current loss increases; In addition, when non-crystaline amorphous metal is applied in the Pulse Power Techniques, can run into the condition of work of high frequency even hyperfrequency, will produce like this interlayer high pulse voltage that causes owing to high magnetic susceptibility, if there is not suitable insulating materials between the amorphous band lamination, to insulate, can produces the interlayer puncture and cause iron core to cancel through heat treated amorphous alloy iron core.Under these circumstances, must apply the non-magnetic insulating material of thin layer on the alloy strip steel rolled stock surface, thereby make the good withstand voltage properties of having of amorphous alloy strips, effectively be contained in the eddy-current loss that produces when working under the high frequency condition simultaneously.
Chinese patent 200380110223.3 has proposed to utilize poly-phthalein amine or poly-phthalimide resinoid to apply no-set metal magnetic alloy strip or crystal magnetic alloy band, the method is in amorphous band surface coated with resins, after amorphous band is wound into magnetic core, carry out again follow-up heat treatment.This patent is mainly used in the iron base amorphous magnetically-soft alloy band.But because coating material is organic matter, be difficult to tolerate the high temperature more than 400 ℃, for heat treatment temperature amorphous, nanocrystalline strip and inapplicable more than 400 ℃.
Chinese patent 200710122020.6 has proposed a kind of using by lotion dip-coating magnetically soft alloy band 60s-600s; In the way of 90 ℃～250 ℃ temperature baking preparation insulating coatings, it can anti-high temperature more than 400 ℃.But this paint-on technique be after amorphous band production, soak, the technique such as baking could insulate coating, is difficult to realize batching through the band after the coating again, and prolonged process time.
Summary of the invention
In sum, prior art can not be coated with insulating layer coating when producing amorphous band, and can stand the high temperature more than 400 ℃.For raising is coated with the efficient of insulating layer coating, industrialization production is come true, the invention provides the method for a kind of amorphous, the online insulating coating in nanometer crystal alloy band surface, well overcome defects, the raw material that the method is used are cheap, easy and simple to handle.
For this reason, in first aspect, the invention provides the method for a kind of amorphous, the online insulating coating in nanometer crystal alloy band surface, described method: after the amorphous band spray goes out, by selecting the online dip-coating of suitable insulating coating solution on the amorphous band surface, forming thickness on the amorphous band surface is the electric insulation coating layer of 0.2 μ m～10 μ m even compacts, naturally dries again bundling after the rolling.
Preferably, a kind of insulating solution comprises a kind of in magnesia, aluminium oxide, the boron nitride, adds the powder that ethanol grinds to form 0.05～10 μ m together, and powder and deionized water are made suspension; Silanol solution is added in suspension, and silanol solution is comprised of 3%～32% metal alkoxide, 1%～12% water, 0.001%～0.01% hydrofluoric acid and remaining etoh solvent.
For this reason, in second aspect, the invention provides the device of a kind of amorphous, the online insulating coating in nanometer crystal alloy band surface, it is characterized in that described device comprises: plater, temperature system, temperature-controlling system, the effect of described plater is that described temperature system is that insulating coating solution is heated at the online dip-coating insulation masking liquid in amorphous band surface from the crystallizer ejection, and described temperature-controlling system is that temperature system is carried out temperature control.
Preferably, plater comprises air bells removing roll and coating solution box.
This insulating coating can guarantee between the amorphous band lamination that insulation is good, and amorphous band has good soft magnet performance at 10kHz simultaneously, and coating material can tolerate the high temperature more than 400 ℃, to reach good electrical insulation capability and effect.
The beneficial effect that the present invention produces is, band applies insulating coating online, and coating layer thickness is even, and dielectric strength is good, and winding quality is neatly even, can satisfy amorphous, the nanocrystalline strip of producing 10～220mm bandwidth.Coating one-shot forming in the band production process has improved production efficiency, simultaneously also convenient operation and production.
Description of drawings
Fig. 1 is the surperficial online schematic diagram of the device of insulating coating of a kind of amorphous, the nanocrystalline strip according to the embodiment of the invention.
Fig. 2 is the online insulation coating layer thickness curve map in a kind of 106 amorphous bands surface according to the embodiment of the invention 1.
Fig. 3 is the online insulation coating layer thickness curve map in a kind of 142 amorphous bands surface according to the embodiment of the invention 1.
The specific embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Fig. 1 is the schematic diagram based on a kind of amorphous, the online insulating coating device in nanocrystalline strip surface according to the embodiment of the invention.
As shown in Figure 1, a kind of amorphous of this embodiment, the online insulating coating device in nanometer crystal alloy band surface, described device comprises plater 4, temperature system 7, temperature-controlling system 8.Wherein, plater 4 comprises air bells removing roll 6 and coating solution box 5, and 7 pairs of platers 4 of temperature system are heated, and 8 pairs of temperature system 7 temperature of temperature-controlling system are controlled.
Preferably, in coiling process, dielectric will keep 100～150 ℃ temperature, to avoid with amorphous band the obvious temperature difference being arranged and cause the variation of amorphous band performance.
Embodiment 1:
Producing width is the wide Fe-based amorphous band of 106mm, MgO adds the powder that ethanol grinds to form 0.2～0.8 μ m in process of lapping, be mixed with suspension in the deionized water of the MgO powder adding 2000ml of 5g, and then adding silanol solution (hydrofluoric acid+etoh solvent of the water of 3%～32% metal alkoxide+1%～12%+0.001%～0.01%) is made dielectric.Amorphous band 3 throws away from crystallizer 1, becomes band under the effect of pressure roller 2, and the plater 4 through being comprised of air bells removing roll 6 and coating solution box 5 on amorphous band 3 surfaces, is batched the dielectric dip-coating at last by coiling machine 9, stopped 30 minutes at coiling machine.Be the Fe-based amorphous band of this specification of 106mm in length, get 14 its thickness of point measurement, distance is identical between 14 measurement points, and measurement result as shown in Figure 2.Thickness of amorphous strip changes at 1～2.5 μ m behind the dip-coating insulation layer, and the band coating layer thickness is even.Get the magnetic core that the Fe-based amorphous band of this specification is rolled into φ 50mm thickness 2mm, the loss of test magnetic core after the vertical magnetic field of 1500A/m, 385 ℃ of insulations of temperature 40mi n, nitrogen atmosphere are processed, carry out breakdown test under the condition of 10kHz, 0.2T, 13W/kg, breakdown voltage is 102V.
Embodiment 2:
Producing width is the wide Fe-based amorphous band of 142mm, and MgO grinds to form the powder at 0.2～0.8 μ m under the effect of ethanol, be mixed with suspension in the deionized water of the MgO powder adding 2000ml of 5g, and then adding silanol solution is made dielectric.Amorphous band 3 throws away from crystallizer 1, becomes band under the effect of pressure roller 2, and the plater 4 through being comprised of air bells removing roll 3 and coating solution box 5 on amorphous band 3 surfaces, is batched the dielectric dip-coating at last by coiling machine 9, stopped 30 minutes at coiling machine.Be the Fe-based amorphous band of this specification of 142mm in length, get 14 its thickness of point measurement, distance is identical between 14 measurement points, measurement result as shown in Figure 3, thickness of amorphous strip changes at 1～2.5 μ m behind the dip-coating insulation layer, expression band coating layer thickness is even.The Fe-based amorphous band of this specification is rolled into the magnetic core of φ 50mm thickness 2mm, in the vertical magnetic field of 1500A/m, temperature 385 degree insulation 40mi n, nitrogen atmosphere is processed, and then tests the loss of magnetic core, at 10kHz, 0.2T, 15W/kg, breakdown voltage is 98V.
The above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; the protection domain that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the method for an amorphous, the online insulating coating in nanometer crystal alloy band surface, it is characterized in that, described method: after the amorphous band spray goes out, by selecting the online dip-coating of insulating coating solution on the amorphous band surface, form electric insulation coating layer on the amorphous band surface, naturally dry again bundling after the rolling.
2. such as right 1 described a kind of amorphous, the surperficial online method of insulating coating of nanometer crystal alloy band, it is characterized in that, a kind of by with in magnesia, aluminium oxide, the boron nitride of described insulating solution, adding ethanol grinds to form the powder of 0.05～10 μ m together, and powder and deionized water are made suspension; Silanol solution is added in the suspension and prepare.
3. such as right 1 described a kind of amorphous, the surperficial online method of insulating coating of nanometer crystal alloy band, it is characterized in that described silanol solution is comprised of 3%～32% metal alkoxide, 1%～12% water, 0.001%～0.01% hydrofluoric acid and remaining etoh solvent.
4. such as the method for right 1 described a kind of amorphous, the online insulating coating in nanometer crystal alloy band surface, it is characterized in that the described electric insulation coating layer thickness that forms even compact on the amorphous band surface is 0.2 μ m～10 μ m.
5. the device of an amorphous, the online insulating coating in nanometer crystal alloy band surface is characterized in that described device comprises: plater, and temperature system, temperature-controlling system,
Described plater is at the amorphous band surface dip-coating insulating coating solution from crystallizer ejection,
Described temperature system is heated to insulating coating solution, and described temperature-controlling system carries out temperature control to temperature system.
6. the device of a kind of amorphous as claimed in claim 5, the online insulating coating in nanometer crystal alloy band surface is characterized in that described plater comprises air bells removing roll and coating solution box.
7. the device of a kind of amorphous as claimed in claim 5, the online insulating coating in nanometer crystal alloy band surface is characterized in that 100～150 ℃ of the temperature controlling range of described temperature-controlling system.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103267123A (en) * | 2013-06-04 | 2013-08-28 | 慈溪博格曼密封材料有限公司 | Packing fiber dipping machine |
| CN103624225A (en) * | 2013-11-22 | 2014-03-12 | 青岛云路新能源科技有限公司 | Preparation method of iron-based amorphous strip with high oxidation resistance and device thereof |
| CN106486259A (en) * | 2015-08-25 | 2017-03-08 | 桐乡市伟达电子有限公司 | A kind of anti-mutual inductor with direct-current component and preparation method thereof |
| CN110911152A (en) * | 2019-12-16 | 2020-03-24 | 陕西长岭迈腾电子有限公司 | Manufacturing method and manufacturing system of magnetic iron core |
| CN111073540A (en) * | 2019-11-07 | 2020-04-28 | 丁丽丽 | Preparation method of gold nano wafer |
| WO2021232607A1 (en) * | 2020-05-21 | 2021-11-25 | 青岛云路先进材料技术股份有限公司 | Amorphous alloy strip having ultrathin coating and preparation method and apparatus therefor |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267123A (en) * | 2013-06-04 | 2013-08-28 | 慈溪博格曼密封材料有限公司 | Packing fiber dipping machine |
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| CN106486259A (en) * | 2015-08-25 | 2017-03-08 | 桐乡市伟达电子有限公司 | A kind of anti-mutual inductor with direct-current component and preparation method thereof |
| CN111073540A (en) * | 2019-11-07 | 2020-04-28 | 丁丽丽 | Preparation method of gold nano wafer |
| CN110911152A (en) * | 2019-12-16 | 2020-03-24 | 陕西长岭迈腾电子有限公司 | Manufacturing method and manufacturing system of magnetic iron core |
| CN110911152B (en) * | 2019-12-16 | 2021-10-26 | 陕西长岭迈腾电子有限公司 | Manufacturing method and manufacturing system of magnetic iron core |
| WO2021232607A1 (en) * | 2020-05-21 | 2021-11-25 | 青岛云路先进材料技术股份有限公司 | Amorphous alloy strip having ultrathin coating and preparation method and apparatus therefor |
| CN113707400A (en) * | 2020-05-21 | 2021-11-26 | 青岛云路先进材料技术股份有限公司 | Amorphous alloy strip with ultrathin coating and preparation method and equipment thereof |
| CN113707400B (en) * | 2020-05-21 | 2023-04-25 | 青岛云路先进材料技术股份有限公司 | Amorphous alloy strip with ultrathin coating and preparation method and equipment thereof |
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Effective date of registration: 20160617 Address after: 266232 Jimo City, Qingdao Province Blue Village Xinyuan Road, No. 9 Patentee after: QINGDAO YUNLU ADVANCED MATERIALS TECHNOLOGY CO., LTD. Address before: 266232 West Industrial Zone, blue town, Qingdao City, Shandong, Jimo Patentee before: Qingdao Yunlu Energy Technology Co., Ltd. |
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Address after: 266232 No. 9 Xinyuan East Road, LAN Cun town, Jimo, Qingdao, Shandong Patentee after: Qingdao Yunlu Advanced Materials Technology Co., Ltd. Address before: 266232 No. 9 Xinyuan East Road, LAN Cun town, Jimo, Qingdao, Shandong Patentee before: QINGDAO YUNLU ADVANCED MATERIALS TECHNOLOGY CO., LTD. |