CN104467322A - Epoxy resin cast process of motor stator winding - Google Patents
Epoxy resin cast process of motor stator winding Download PDFInfo
- Publication number
- CN104467322A CN104467322A CN201310423787.8A CN201310423787A CN104467322A CN 104467322 A CN104467322 A CN 104467322A CN 201310423787 A CN201310423787 A CN 201310423787A CN 104467322 A CN104467322 A CN 104467322A
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- epoxy resin
- motor stator
- baking oven
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- vacuum pressure
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Abstract
The invention discloses an epoxy resin cast process of a motor stator winding. A pasty-state epoxy resin and a firming agent are cast into a gap formed by cooperation between a motor stator and a cast mold at a certain temperature, heat-curing is then performed at a certain temperature and at certain time, an enameled wire is completely sealed in the epoxy resin, the enameled wire and the epoxy resin are completely solidified to form one body, there are no slits between the integral body of the epoxy resin and the solidified enameled wire after solidification and an iron core, the mechanical strength of the motor stator is high, the thermal conductivity is good, and the service life of a motor is prolonged.
Description
technical field
The present invention relates to field of motor manufacturing, particularly a kind of poured with epoxy resin technique of motor stator winding.
Background technology
In order to improve the mechanical strength of motor, insulation property and heat conductivility, the manufacture craft of traditional motor stator is generally after rule completes, then is flooded with insulating varnish, solidify.But the defect of this manufacture craft is: 1, insulating varnish all can not fill up the space between enamelled wire and between enamelled wire and iron core, the conductive coefficient of adding insulating varnish is little, the overall heat-conducting effect of such stator is just bad, the heat produced when causing motor to run can not shed in time, and time of operation is grown will burn-down of electric motor.2, the entirety that the enamelled wire after solidification and insulating varnish are formed is also relatively good in the mechanical performance of initial operating stage, but running time one is long, enamelled wire can destroy the entirety be cured under the repeated stock of electromagnetism, cause between enamelled wire and loosen, after enamelled wire and iron core notch even can be caused repeatedly to rub, damage the insulation of enamelled wire and motor damage.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency existing in prior art, a kind of poured with epoxy resin technique making the motor stator winding that motor stator mechanical strength is high, thermal conductivity is good is provided.
In order to realize foregoing invention object, the technical solution used in the present invention is:
A poured with epoxy resin technique for motor stator winding, comprises pouring technology step and stoving process step, and described pouring technology step comprises following sub-step:
1), by the heating of two storage tanks of A, the B in epoxy Resin Vacuum Pouring Devices, between and heating and thermal insulation to 80 DEG C ~ 90 DEG C;
2), by epoxy resin insulation material, curing agent according to 8:2(mass percent) ratio inject described A, B two storage tanks respectively;
3), by the mixing tank in epoxy Resin Vacuum Pouring Devices heat and be incubated to 80 DEG C ~ 90 DEG C, then the raw material in described A, B two storage tanks being put in described mixing tank;
4), open the automatic stirring function of described mixing tank, stir 30 minutes, make together with epoxy resin insulation material and curing agent two kinds of raw material Homogeneous phase mixing;
5), in whipping process, motor stator is put in the vacuum pressure tank in epoxy Resin Vacuum Pouring Devices, by vacuum pressure tank heating and thermal insulation to 80 DEG C ~ 90 DEG C, and vacuum in vacuum pressure tank is extracted into 150Pa ~ 300Pa.
6), above-mentioned steps 1) to 5) complete after, start to carry out cast work, the raw material stirred in described mixing tank are evenly poured on motor stator by pipeline by actuating valve, observe while cast through fenestella;
7), after casting complete, valve-off, and described vacuum pressure tank insulation being cancelled, makes motor stator wherein naturally cool, to be cooled to 30 DEG C ~ 40 DEG C time, opened by vacuum pressure tank door, pouring technology completes;
The described stoving process step of beginning after above-mentioned pouring technology step completes, it comprises following sub-step:
A, the motor stator after building in pouring technology sub-step 7 is put into baking oven, close baking oven gate;
B, start described baking oven baking oven is heated to 80 DEG C, and start preliminary dryings, preliminary drying time 3 hours 80 DEG C of insulations, open the blower system in baking oven simultaneously, moisture is extracted out outside baking oven;
After c, preliminary drying complete, oven temperature is risen to 120 DEG C, and be cured 120 DEG C of insulations, curing time is 6 hours;
D, solidified after, close baking oven naturally cool, take out motor stator after being cooled to room temperature, the whole technological process of production terminates.
The poured with epoxy resin technique of motor stator winding of the present invention is that the epoxy resin of pasty state and curing agent raw material are poured in the space that motor stator and casting mold work good at a certain temperature, be heating and curing under uniform temperature, time again, enamelled wire is sealed in the epoxy completely, enamelled wire is solidified into an entirety completely with epoxy resin, epoxy resin after solidification and enamelled wire entirety do not have gap with between iron core, the mechanical strength of motor stator is high, good product quality, and motor is extended useful life.
compared with prior art, beneficial effect of the present invention:
The mechanical strength of the motor stator produced under the motor stator product epoxy resin made by technique of the present invention and the mechanical strength of enamelled wire entirety are greater than traditional handicraft, epoxy resin after solidification and enamelled wire entirety do not have gap with between iron core, that is the possibility that enamelled wire is not loosening, also enamelled wire can not be allowed to have a bit loosening even if be subject to again large electromagnetic impact, ensure that product quality, extend motor useful life, the thermal conductivity ratio insulating varnish of epoxy resin is large simultaneously, and the space between iron core and enamelled wire all can be filled full, will greatly improve motor heat-conducting effect like this thus reduce temperature rise, thermal conductivity avoids burn-down of electric motor well, extend motor useful life.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
The poured with epoxy resin technique of motor stator winding of the present invention is that the epoxy resin of pasty state and curing agent raw material are poured in the space that motor stator and casting mold work good at a certain temperature, be heating and curing under uniform temperature, time again, enamelled wire is sealed in the epoxy completely, enamelled wire is solidified into an entirety completely with epoxy resin, epoxy resin after solidification and enamelled wire entirety do not have gap with between iron core, the mechanical strength of motor stator is high, good product quality, and motor is extended useful life.
Equipment is needed to be during concrete enforcement present invention process: epoxy Resin Vacuum Pouring Devices, baking oven, electronic scale (use of weighing).Material requested is: resinae insulating material, curing agent.Wherein epoxy Resin Vacuum Pouring Devices meets the following conditions:
1, require that A, B storage tank on equipment, mixing tank, vacuum pressure tank must with Automatic-heating and heat insulation functions, temperature control precision is within the scope of ± 5 DEG C.
2, mixing tank must carry automatic stirring function.
3, require that all pipelines of this equipment must have heat insulation function.
4, the vacuum degree≤100Pa of vacuum pressure tank.
The poured with epoxy resin technique of motor stator winding of the present invention comprises pouring technology step and stoving process step, and described pouring technology step comprises following sub-step:
1), by the heating of two storage tanks of A, the B in epoxy Resin Vacuum Pouring Devices, between and heating and thermal insulation to 80 DEG C ~ 90 DEG C.
2), epoxy resin insulation material, curing agent are injected described A, B two storage tanks respectively according to the ratio (mass percent) of 8:2.
3), by the mixing tank in epoxy Resin Vacuum Pouring Devices heat and be incubated to 80 DEG C ~ 90 DEG C, then the raw material in described A, B two storage tanks being put in described mixing tank.
4), open the automatic stirring function of described mixing tank, stir 30 minutes, make together with epoxy resin insulation material and curing agent two kinds of raw material Homogeneous phase mixing.
5), in whipping process, motor stator is put in vacuum pressure tank equipment dolly pushed in epoxy Resin Vacuum Pouring Devices, by vacuum pressure tank heating and thermal insulation to 80 DEG C ~ 90 DEG C, and vacuum in vacuum pressure tank is extracted into 150Pa ~ 300Pa.
6), above-mentioned steps 1) to 5) complete after, start to carry out cast work, the raw material stirred in described mixing tank are evenly poured on motor stator by pipeline by actuating valve, observe while cast through fenestella.
7), after casting complete, valve-off, and described vacuum pressure tank insulation being cancelled, makes motor stator wherein naturally cool, to be cooled to 30 DEG C ~ 40 DEG C time, opened by vacuum pressure tank door, pouring technology completes.
Be pushed in baking oven by motor stator after above-mentioned pouring technology step completes, start stoving process step, it comprises following sub-step:
A, the motor stator after building in pouring technology sub-step 7 is put into baking oven, close baking oven gate.
B, startup baking oven power switch button, open heater switch, baking oven be heated to 80 DEG C, and start preliminary dryings, preliminary drying time 3 hours 80 DEG C of insulations, open the blower system in baking oven simultaneously, extracted out outside baking oven by moisture.
After c, preliminary drying complete, oven temperature is risen to 120 DEG C, and be cured 120 DEG C of insulations, curing time is 6 hours.
D, solidified after, close baking oven naturally cool, after being cooled to room temperature, workman hangs out motor stator with crane, and the whole technological process of production terminates.
The poured with epoxy resin technique of motor stator winding of the present invention is that the epoxy resin of pasty state and curing agent raw material are poured in the space that motor stator and casting mold work good at a certain temperature, be heating and curing under uniform temperature, time again, enamelled wire is sealed in the epoxy completely, enamelled wire is solidified into an entirety completely with epoxy resin, epoxy resin after solidification and enamelled wire entirety do not have gap with between iron core, the mechanical strength of motor stator is high, good product quality, and motor is extended useful life.The mechanical strength of the motor stator produced under the motor stator product epoxy resin made by technique of the present invention and the mechanical strength of enamelled wire entirety are greater than traditional handicraft, epoxy resin after solidification and enamelled wire entirety do not have gap with between iron core, that is the possibility that enamelled wire is not loosening, also enamelled wire can not be allowed to have a bit loosening even if be subject to again large electromagnetic impact, ensure that product quality, extend motor useful life, the thermal conductivity ratio insulating varnish of epoxy resin is large simultaneously, and the space between iron core and enamelled wire all can be filled full, will greatly improve motor heat-conducting effect like this thus reduce temperature rise, avoid burn-down of electric motor, extend motor useful life.
Be described in detail the specific embodiment of the present invention above, but the present invention is not restricted to above-mentioned execution mode, in the spirit and scope situation of claim not departing from the application, those skilled in the art can make various amendment or remodeling.
Claims (1)
1. a poured with epoxy resin technique for motor stator winding, comprises pouring technology step and stoving process step, it is characterized in that, described pouring technology step comprises following sub-step:
1), by the heating of two storage tanks of A, the B in epoxy Resin Vacuum Pouring Devices, between and heating and thermal insulation to 80 DEG C ~ 90 DEG C;
2), by epoxy resin insulation material, curing agent according to 8:2(mass percent) ratio inject described A, B two storage tanks respectively;
3), by the mixing tank in epoxy Resin Vacuum Pouring Devices heat and be incubated to 80 DEG C ~ 90 DEG C, then the raw material in described A, B two storage tanks being put in described mixing tank;
4), open the automatic stirring function of described mixing tank, stir 30 minutes, make together with epoxy resin insulation material and curing agent two kinds of raw material Homogeneous phase mixing;
5), in whipping process, motor stator is put in the vacuum pressure tank in epoxy Resin Vacuum Pouring Devices, by vacuum pressure tank heating and thermal insulation to 80 DEG C ~ 90 DEG C, and vacuum in vacuum pressure tank is extracted into 150Pa ~ 300Pa;
6), above-mentioned steps 1) to 5) complete after, start to carry out cast work, the raw material stirred in described mixing tank are evenly poured on motor stator by pipeline by actuating valve, observe while cast through fenestella;
7), after casting complete, valve-off, and described vacuum pressure tank insulation being cancelled, makes motor stator wherein naturally cool, to be cooled to 30 DEG C ~ 40 DEG C time, opened by vacuum pressure tank door, pouring technology completes;
The described stoving process step of beginning after above-mentioned pouring technology step completes, it comprises following sub-step:
A, the motor stator after building in pouring technology sub-step 7 is put into baking oven, close baking oven gate;
B, start described baking oven baking oven is heated to 80 DEG C, and start preliminary dryings, preliminary drying time 3 hours 80 DEG C of insulations, open the blower system in baking oven simultaneously, moisture is extracted out outside baking oven;
After c, preliminary drying complete, oven temperature is risen to 120 DEG C, and be cured 120 DEG C of insulations, curing time is 6 hours;
D, solidified after, close baking oven naturally cool, take out motor stator after being cooled to room temperature, the whole technological process of production terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423787.8A CN104467322B (en) | 2013-09-17 | 2013-09-17 | A kind of poured with epoxy resin technique of motor stator winding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423787.8A CN104467322B (en) | 2013-09-17 | 2013-09-17 | A kind of poured with epoxy resin technique of motor stator winding |
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| CN104467322A true CN104467322A (en) | 2015-03-25 |
| CN104467322B CN104467322B (en) | 2016-09-21 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914971A (en) * | 2016-05-27 | 2016-08-31 | 天津大学 | Disk coreless permanent magnet motor winding processing method |
| CN107276342A (en) * | 2017-07-17 | 2017-10-20 | 浙江西子富沃德电机有限公司 | A kind of poured with epoxy resin technique of motor stator winding |
| CN107317444A (en) * | 2017-06-20 | 2017-11-03 | 高邮市微特电机厂 | The stator and rotor epoxy sealing technique of disc type magnetic generator |
| CN108799146A (en) * | 2018-05-03 | 2018-11-13 | 台州市日达泵业有限公司 | A kind of deep well pump and its production technology with high-effective water-proof motor |
| CN111181285A (en) * | 2020-02-05 | 2020-05-19 | 湖北工业大学 | Cooling method for motor stator winding |
| CN111384796A (en) * | 2018-12-29 | 2020-07-07 | 上海微创心力医疗科技有限公司 | Motor stator, die and method for manufacturing motor stator, motor and catheter pump |
| CN111478526A (en) * | 2020-04-16 | 2020-07-31 | 无锡佳煦成智能科技有限公司 | Implementation method for improving high pressure resistance of canned motor pump |
| CN112737251A (en) * | 2020-12-23 | 2021-04-30 | 洛阳速普机电科技有限公司 | Motor stator coil integral epoxy resin plastic package process |
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| CN102468725A (en) * | 2010-11-08 | 2012-05-23 | 腾禾精密电机(昆山)有限公司 | Process for encapsulating stator coil in motor |
| CN103066717A (en) * | 2011-10-24 | 2013-04-24 | 太仓富田瑞兰得电机有限公司 | Motor stator with packaging stator winding and method of packaging stator winding |
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| JPH07194073A (en) * | 1993-12-28 | 1995-07-28 | Fuji Elelctrochem Co Ltd | Manufacture of rotor |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914971A (en) * | 2016-05-27 | 2016-08-31 | 天津大学 | Disk coreless permanent magnet motor winding processing method |
| CN107317444A (en) * | 2017-06-20 | 2017-11-03 | 高邮市微特电机厂 | The stator and rotor epoxy sealing technique of disc type magnetic generator |
| CN107276342A (en) * | 2017-07-17 | 2017-10-20 | 浙江西子富沃德电机有限公司 | A kind of poured with epoxy resin technique of motor stator winding |
| CN107276342B (en) * | 2017-07-17 | 2020-03-20 | 浙江西子富沃德电机有限公司 | Epoxy resin pouring process for motor stator winding |
| CN108799146A (en) * | 2018-05-03 | 2018-11-13 | 台州市日达泵业有限公司 | A kind of deep well pump and its production technology with high-effective water-proof motor |
| CN108799146B (en) * | 2018-05-03 | 2024-04-05 | 台州市日达泵业有限公司 | Deep well pump with efficient waterproof motor and production process thereof |
| CN111384796A (en) * | 2018-12-29 | 2020-07-07 | 上海微创心力医疗科技有限公司 | Motor stator, die and method for manufacturing motor stator, motor and catheter pump |
| CN111181285A (en) * | 2020-02-05 | 2020-05-19 | 湖北工业大学 | Cooling method for motor stator winding |
| CN111478526A (en) * | 2020-04-16 | 2020-07-31 | 无锡佳煦成智能科技有限公司 | Implementation method for improving high pressure resistance of canned motor pump |
| CN112737251A (en) * | 2020-12-23 | 2021-04-30 | 洛阳速普机电科技有限公司 | Motor stator coil integral epoxy resin plastic package process |
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| CN104467322B (en) | 2016-09-21 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Epoxy resin pouring process for motor stator winding Effective date of registration: 20220113 Granted publication date: 20160921 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG OURUIAN ELECTRIC CO.,LTD. Registration number: Y2022980000464 |
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