CN101714801A - Laminating method of electromagnetic silicon steel sheets for iron core of linear permanent magnet synchronous motor - Google Patents
Laminating method of electromagnetic silicon steel sheets for iron core of linear permanent magnet synchronous motor Download PDFInfo
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- CN101714801A CN101714801A CN200810200842A CN200810200842A CN101714801A CN 101714801 A CN101714801 A CN 101714801A CN 200810200842 A CN200810200842 A CN 200810200842A CN 200810200842 A CN200810200842 A CN 200810200842A CN 101714801 A CN101714801 A CN 101714801A
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Abstract
The invention discloses a linear permanent magnet synchronous motor which comprises a rotor and a stator, wherein the rotor comprises an iron core and a magnet exciting coil, wherein the iron core is formed by laminating an effective number of silicon steel sheets, the magnet exciting coil is embedded on the iron core, an insulating cold layer is coated on the surface of each silicon steel sheet, and each insulating cold layer is a water-soluble epoxy resin layer with self-adhesive performance. The invention also discloses a laminating method of electromagnetic silicon steel sheets for the iron core of the linear permanent magnet synchronous motor, which comprises the following steps: coating an insulating cold layer on the surface of each silicon steel sheet; curing each insulating cold layer; punching and finishing each silicon steel sheet; preliminarily laminating the silicon steel sheets and fixing the height to form a group of iron core; installing glass fiber sheets and keys on the iron core; and pressing, laminating and curing the iron core. The linear permanent magnet synchronous motor formed by the iron core has the characteristics of low noise, stable operation, high response speed, reliable quality, and the like.
Description
Technical field
The present invention relates to a kind of laminating method that is used for the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor.
Background technology
Be used for high accuracy, at a high speed, the linear permanent magnet synchronous motor of high rigidity servo system, flat, in light weight in order to make motor size, iron core all adopts by certain folded thick electromagnetic silicon steel sheets to be formed, and the punching thickness of silicon steel sheet generally only is tens millimeters.In the punching of tens millimeters thick, also want the groove of punching out some, to embed the electromagnetism winding.In the prior art, it is earlier silicon steel sheet to be carried out initial laminating that silicon steel plate stacking becomes the method for whole iron core, adopts riveted joint or welding to carry out the last fastening whole iron core that forms then.This method can not reach fitting like a glove between silicon steel sheet and the sheet owing to the dispersed and distributed of fastening point position, and the interface resistance between silicon steel sheet and the sheet is increased, thereby makes motor steady and high noisy occur when operation.
Summary of the invention
The objective of the invention is provides a kind of linear permanent magnet synchronous motor in order to overcome the deficiencies in the prior art, and it has extraordinary low noise, operates steadily, and response is fast, characteristics such as reliable in quality.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of linear permanent magnet synchronous motor, comprise mover and stator, described mover comprises that iron core that the silicon steel plate stacking by effective quantity forms and the magnet exciting coil that is inlaid on the iron core constitute, all apply one deck insulating cold layer on the surface of described every silicon steel sheet, this insulating cold layer is the water miscible epoxy resin layer that has from bonding performance.
Above-mentioned linear permanent magnet synchronous motor, wherein, the described every silicon steel sheet that is positioned at the iron core middle part is the double-coated epoxy resin layer, the silicon steel sheet that is positioned at the iron core upper and lower end face applies epoxy resin layer on the single face relative with the adjacent silicon steel disc.
Above-mentioned linear permanent magnet synchronous motor, wherein, the thickness of double-coated epoxy resin layer is 3～5um on the described silicon steel sheet, the thickness of single face coating epoxy resin layer is 5～7um.
The another kind of technical scheme that realizes above-mentioned purpose is: a kind of laminating method that is used for the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor comprises the following steps:
The step of silicon steel sheet surface applied insulating cold layer; The curing schedule of insulating cold layer; The punching out of silicon steel sheet and reason sheet step; Silicon steel sheet just laminates decides the step that height is one group of iron core; Iron core is installed glass fiber sheets and the step of using key is installed; The step that press-fits and laminate cured of iron core.
The laminating method of the above-mentioned electromagnetic silicon steel sheets that is used for iron core of linear permanent magnet synchronous motor wherein, when carrying out the step of described silicon steel sheet surface applied insulating cold layer, remains on the temperature of described silicon steel sheet below 50 ℃.
The laminating method of the above-mentioned electromagnetic silicon steel sheets that is used for iron core of linear permanent magnet synchronous motor, wherein, when carrying out the curing schedule of described insulating cold layer, curing temperature is 180～220 ℃, the retention time is 20～40 seconds.
The laminating method of the above-mentioned electromagnetic silicon steel sheets that is used for iron core of linear permanent magnet synchronous motor, wherein, carry out described iron core press-fit and when laminating the cured step, laminating temperature is 230～270 ℃, retention time is 2～3min, and exerting pressure is 80～120N/cm
2
Above-mentioned any one is used for the laminating method of the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor, and wherein, described insulating cold layer is water miscible epoxy resin layer.
Adopt linear permanent magnet synchronous motor of the present invention and be used for the technical scheme of laminating method of the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor, promptly on the silicon steel sheet of electric machine iron core, apply the cold layer of the water miscible epoxy resin of one deck, utilize the physical characteristic of the cold floor height polymers of water miscible epoxy resin matter, through certain pressure, the silicon steel sheet that looses with cold layer under the temperature and time just is bonded as a whole iron core, concrete good interface resistance and the bonding fastness of this whole iron core, and has a good heat conductivity, the noise of no alternating electromagnetic, and can " not breathe " with variation of temperature, so just avoid layer corrosion.The linear permanent magnet synchronous motor that this iron core constitutes has extraordinary low noise, operates steadily, and response is fast, characteristics such as reliable in quality.
Description of drawings
Fig. 1 is the structural representation of linear permanent magnet synchronous motor of the present invention;
Fig. 2 is the front view that constitutes the silicon steel sheet of iron core in the linear permanent magnet synchronous motor of the present invention;
Fig. 3 is the cutaway view that constitutes the silicon steel sheet of iron core in the linear permanent magnet synchronous motor of the present invention.
Embodiment
In order to understand technical scheme of the present invention better, below by embodiment particularly and be described in detail in conjunction with the accompanying drawings:
See also Fig. 1 to Fig. 3, linear permanent magnet synchronous motor of the present invention, comprise mover 1 and stator 2, wherein, mover 1 comprises iron core 11 and the magnet exciting coil 12 that is inlaid on the iron core 11 constitutes, and this iron core 11 is overrided to form by the effective silicon steel sheet 3 of quantity, all applies one deck insulating cold layer 111 on the surface of every silicon steel sheet 110, this insulating cold layer 111 is for having the water miscible epoxy resin layer from bonding performance, wherein
The every silicon steel sheet 110 that is positioned at the iron core middle part is the double-coated epoxy resin layer, and the thickness of this coated on both sides is 3～5um; The silicon steel sheet 110 that is positioned at the iron core upper and lower end face applies epoxy resin layer on the single face relative with adjacent silicon steel disc 110, the thickness of this single face coating is 5～7um.
Linear permanent magnet synchronous motor of the present invention has extraordinary low noise, operates steadily, and response is fast, characteristics such as reliable in quality.
The laminating method that is used for the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor of the present invention comprises the following steps:
The step of silicon steel sheet surface applied insulating cold layer, insulating cold layer are water miscible epoxy resin layer, when carrying out this step, the temperature of silicon steel sheet are remained on below 50 ℃.
The curing schedule of insulating cold layer, when carrying out this step, curing temperature is 180～220 ℃, the retention time is 20～40 seconds;
The punching out of silicon steel sheet and reason sheet step become required punching shape through the punching press punching out, and count lamination, and the silicon steel sheet that single face is applied insulating cold layer is placed on the two ends up and down of iron core;
Silicon steel sheet just laminates decides the step that height is one group of iron core;
Iron core is installed glass fiber sheets and the step of using key is installed, and glass fiber sheets manually is installed at the one group of iron core two ends that just laminates uses key with installing;
The step that press-fits and laminate cured of iron core, when carrying out this step, in special use laminates mould, with to fold thick be discharged to satisfied after, exerting pressure is 80～120N/cm
2And it is constant to keep-up pressure, sending into baker, is 230～270 ℃ laminating temperature, and the retention time is 2～3min, take out workpiece, pull down mould, the diffusing silicon steel sheet 110 of the cold layer 111 of tape insulation just is bonded as a whole iron core 11, and band is sent into iron core 11 in the curing oven and solidified, at last, iron core 11 goes out curing oven and takes the cooling section cooling to by conveying.
These whole iron core 11 concrete good interface resistance and bonding fastness, and have good heat conductivity, no AC noise, and do not vary with temperature and can " breathe ", so just avoided layer corrosion.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (8)
1. linear permanent magnet synchronous motor, comprise mover and stator, described mover comprises that iron core that the silicon steel plate stacking by effective quantity forms and the magnet exciting coil that is inlaid on the iron core constitute, it is characterized in that, all apply one deck insulating cold layer on the surface of described every silicon steel sheet, this insulating cold layer is the water miscible epoxy resin layer that has from bonding performance.
2. linear permanent magnet synchronous motor according to claim 1, it is characterized in that, the described every silicon steel sheet that is positioned at the iron core middle part is the double-coated epoxy resin layer, and the silicon steel sheet that is positioned at the iron core upper and lower end face applies epoxy resin layer on the single face relative with the adjacent silicon steel disc.
3. linear permanent magnet synchronous motor according to claim 1 is characterized in that, the thickness of double-coated epoxy resin layer is 3～5um on the described silicon steel sheet, and the thickness of single face coating epoxy resin layer is 5～7um.
4. a laminating method that is used for the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor is characterized in that, this method comprises the following steps:
The step of silicon steel sheet surface applied insulating cold layer; The curing schedule of insulating cold layer; The punching out of silicon steel sheet and reason sheet step; Silicon steel sheet just laminates decides the step that height is one group of iron core; Iron core is installed glass fiber sheets and the step of using key is installed; The step that press-fits and laminate cured of iron core.
5. the laminating method that is used for the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor according to claim 4 is characterized in that, when carrying out the step of described silicon steel sheet surface applied insulating cold layer, the temperature of described silicon steel sheet is remained on below 50 ℃.
6. the laminating method that is used for the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor according to claim 4 is characterized in that, when carrying out the curing schedule of described insulating cold layer, curing temperature is 180～220 ℃, and the retention time is 20～40 seconds.
7. the laminating method that is used for the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor according to claim 4, it is characterized in that, carry out described iron core press-fit and when laminating the cured step, laminating temperature is 230～270 ℃, retention time is 2～3min, and exerting pressure is 80～120N/cm
2
8. be used for the laminating method of the electromagnetic silicon steel sheets of iron core of linear permanent magnet synchronous motor according to described any one of claim 4 to 6, it is characterized in that, described insulating cold layer is water miscible epoxy resin layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810200842A CN101714801A (en) | 2008-10-07 | 2008-10-07 | Laminating method of electromagnetic silicon steel sheets for iron core of linear permanent magnet synchronous motor |
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| CN200810200842A CN101714801A (en) | 2008-10-07 | 2008-10-07 | Laminating method of electromagnetic silicon steel sheets for iron core of linear permanent magnet synchronous motor |
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| CN101714801A true CN101714801A (en) | 2010-05-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005831A (en) * | 2010-10-11 | 2011-04-06 | 南车株洲电机有限公司 | Stator core of large wind driven generator and manufacturing method thereof |
| CN104702059A (en) * | 2013-12-10 | 2015-06-10 | 国网上海市电力公司 | Pressing and laminated curing method of long-stator iron core |
| CN104702061A (en) * | 2013-12-10 | 2015-06-10 | 国网上海市电力公司 | Punching and arranging method of long-stator silicon steel sheets |
| CN106936227A (en) * | 2017-04-20 | 2017-07-07 | 信质电机股份有限公司 | Automobile current generator winds self bonding stator and rotor iron core and its processing technology and equipment |
| CN109346310A (en) * | 2018-11-30 | 2019-02-15 | 中节能西安启源机电装备有限公司 | A kind of transformer silicon steel sheet piece counting apparatus |
| CN116475042A (en) * | 2023-04-23 | 2023-07-25 | 山西太钢不锈钢股份有限公司 | Production method of electrical steel rapid self-adhesive coating for new energy automobile |
-
2008
- 2008-10-07 CN CN200810200842A patent/CN101714801A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005831A (en) * | 2010-10-11 | 2011-04-06 | 南车株洲电机有限公司 | Stator core of large wind driven generator and manufacturing method thereof |
| CN102005831B (en) * | 2010-10-11 | 2012-07-11 | 南车株洲电机有限公司 | Stator core of large wind driven generator and manufacturing method thereof |
| CN104702059A (en) * | 2013-12-10 | 2015-06-10 | 国网上海市电力公司 | Pressing and laminated curing method of long-stator iron core |
| CN104702061A (en) * | 2013-12-10 | 2015-06-10 | 国网上海市电力公司 | Punching and arranging method of long-stator silicon steel sheets |
| CN106936227A (en) * | 2017-04-20 | 2017-07-07 | 信质电机股份有限公司 | Automobile current generator winds self bonding stator and rotor iron core and its processing technology and equipment |
| CN109346310A (en) * | 2018-11-30 | 2019-02-15 | 中节能西安启源机电装备有限公司 | A kind of transformer silicon steel sheet piece counting apparatus |
| CN109346310B (en) * | 2018-11-30 | 2023-11-10 | 中节能西安启源机电装备有限公司 | Transformer silicon steel sheet counting device |
| CN116475042A (en) * | 2023-04-23 | 2023-07-25 | 山西太钢不锈钢股份有限公司 | Production method of electrical steel rapid self-adhesive coating for new energy automobile |
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Open date: 20100526 |