CN104410229A - System and method for vacuum pouring of insulation resin used for motor rotor - Google Patents
System and method for vacuum pouring of insulation resin used for motor rotor Download PDFInfo
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- CN104410229A CN104410229A CN201410809868.6A CN201410809868A CN104410229A CN 104410229 A CN104410229 A CN 104410229A CN 201410809868 A CN201410809868 A CN 201410809868A CN 104410229 A CN104410229 A CN 104410229A
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Abstract
The invention relates to a system for vacuum pouring of insulation resin used for a motor rotor. The system comprises a vacuum glue filling tank, a vacuum pump, a high-pressure inert gas transmitting device, a vacuum emulsion machine and a glue transmitting pipe, wherein the vacuum pump and the high-pressure inert gas transmitting device are respectively connected with the vacuum glue filling tank by virtue of a pipeline; the vacuum emulsion machine is connected with the vacuum glue filling tank by virtue of the glue transmitting pipe; a stirring device is arranged in the vacuum emulsion machine; the vacuum emulsion machine is provided with a device which is connected with the vacuum pump; the resin to be filled with glue is mixed in the vacuum emulsion machine. According to the system, the vacuum emulsion machine is additionally arranged, the vacuum degree requirement during mixing of the resin is ensured; the discharge of the gas in the resin is facilitated. The invention also relates to a method for vacuum pouring of the insulation resin for the motor rotor.
Description
Technical field
The present invention relates to field of motor manufacturing, particularly relate to a kind of rotor insulating resin vacuum pouring system and method.
Technical background
Pot motor rotor is in running, and for ensureing rigidity and the stability of rotor windings, the general insulating resin pouring type that adopts makes rotor windings and rotor core strong bond form an entirety.Insulating resin casting quality directly determines the stability of rotor operation, and colloid cracking, trachoma will cause rotor windings to vibrate, heat radiation is uneven thus cause the consequence of rotor windings premature failure.The key of insulating resin casting quality is casting process parameters and resin solidification parameter, and these two aspects is mainly determined by equipment.Current pouring technology mainly adopts the mode of gravity-assist pouring in an airtight vacuum tank, the running gate system of this pouring type comprises vacuum glue pouring tank, glue conveying box, vacuum pump, high pressure air delivery device, baking oven, its casting process is, resin batch mixing in open natural environment, in resin batch mixing process, workpiece hangs in vacuum glue pouring tank, vacuum pump vacuumizes vacuum glue pouring tank, after mixed with resin is even, by Action of Gravity Field, resin is inputted workpiece by glue conveying box, encapsulating process is carried out at normal temperatures, after encapsulating is complete, fidelity empty a period of time, then high pressure air delivery device is started working, inert gas is inputted to authorized pressure in vacuum glue pouring tank, pressurize a period of time.After encapsulating is complete, pressure release, hangs in workpiece and carry out baked and cured to baking oven.
This mode has the defect of four aspects: one is the vacuum requirement that only considered casting process, and does not consider the vacuum level requirements of resin batch mixing, and the gas brought into when batch mixing stirs reduces greatly by making the quality of encapsulating; Two is that high viscosity resins encapsulating adopts gravity-assist pouring mode easily to occur pore trachoma phenomenon; Three is that encapsulating process is carried out at normal temperatures, influenced by ambient temperature, and in the season that temperature is low, resin viscosity increases, and affects encapsulating quality; Four is that baking oven operating room temperature deviation is large, and colloid solidification and cooling cannot accurate temperature controls, easily cause colloid to ftracture.
Summary of the invention
The object of the invention is to overcome above defect, provide a kind of guarantee encapsulating quality prevent encapsulating after colloid there is the rotor insulating resin vacuum pouring system of pore trachoma or cracking phenomena.
Technical scheme of the present invention is: a kind of rotor insulating resin vacuum pouring system, it comprises vacuum glue pouring tank, vacuum pump, high-pressure inert gas air delivery device, vacuum pump is connected with vacuum glue pouring tank respectively by pipeline with high-pressure inert gas air delivery device, also comprise vacuum emulsifying machine and glue conveying box, vacuum emulsifying machine is connected with vacuum glue pouring tank by glue conveying box, agitating device is provided with in vacuum emulsifying machine, vacuum emulsifying machine is provided with the jockey with vacuum pump, treats the resin of encapsulating batch mixing in vacuum emulsifying machine.
In order to increase contact area during resin agitating, described agitating device is that frame revolves paddle structure, and mixing speed is stepless speed regulation.
In order to meet the requirement of different resins batch mixing, described agitating device is also provided with three wide leaves and revolves oar.
In order to ensure temperature during resin batch mixing, also comprise constant temperature heating device I, vacuum emulsification machine jar body is set to inside and outside interlayer, and described constant temperature heating device I is arranged between the inside and outside interlayer of vacuum emulsification machine jar body.
In order to make to be heated evenly during resin batch mixing, described constant temperature heating device is located at the circumference of vacuum emulsification machine jar body.
In order to ensure temperature during the defeated glue of resin, also comprise constant temperature heating device II, described constant temperature heating device II is arranged on glue conveying box outer surface.
In order to improve the quality of resin encapsulating, also comprise whirling vibration platform, encapsulating die, whirling vibration platform is arranged in vacuum glue pouring tank, and treat that the rotor of encapsulating is fixed on whirling vibration platform, the encapsulating die matched with motor patent is arranged on to be treated on the rotor of encapsulating.
Described whirling vibration platform is driven by rotating shaft, and rotating shaft is connected with gear box, and servomotor changes direction of rotation by gear box provides power to rotating shaft, regulates vibration rotation platform rotating speed by servomotor speed governing.
Described encapsulating die adopts three-clove style circle configurations, and has gummosis ramp, is beneficial to quick curtain coating and the colloid demoulding of colloid, shortens the process operations time.
In order to ensure temperature during resin encapsulating, also comprise constant temperature heating device III, described constant temperature heating device III is arranged on outside vacuum glue pouring tank.
In order to ensure the accurate control of colloid curing temperature and chilling temperature, also comprise accurate temperature control baking oven, rotor after encapsulating is placed in accurate temperature control baking oven, the described accurate temperature control baking oven operating room temperature difference is at about 0.5 DEG C, operating room's temperature and heating time control, without the need to personnel control by baking oven built-in chip.
A kind of rotor insulating resin vacuum casting method, it comprises the following steps:
Step 1: resin vacuum batch mixing, prepare insulating resin consumption according to rotor size, insulating resin is batch mixing in vacuum emulsifying machine, and start vacuum pump, vacuum pump starts to vacuumize vacuum emulsifying machine, constant temperature heating device I guarantee of work mixture temperature;
Step 2: after rotor installs encapsulating die, lifting to be fixed in vacuum glue pouring tank on whirling vibration platform, builds vacuum glue pouring tank cover, constant temperature heating device III pair of vacuum glue pouring tank heating and thermal insulation;
Step 3: vacuum pouring, colloid flows into glue conveying box by Action of Gravity Field, glue conveying box is incubated by constant temperature heating device II, vacuum glue pouring tank whirling vibration platform is started working, rotor is made to be in whirling vibration state, vacuum pump vacuumizes vacuum glue pouring tank simultaneously, and after vacuum glue pouring tank vacuum degree reaches requirement, colloid flows in encapsulating die by Action of Gravity Field;
Step 4: pressurize, after encapsulating completes, disconnect vacuum-pump power supply, open high-pressure inert gas air delivery device to gas transmission in vacuum glue pouring tank, close high-pressure inert gas air delivery device after vacuum glue pouring tank tank internal gas pressure reaches requirement, pressurize a period of time on request, after the dwell time arrives, pressure release, stop the rotation shaking platform;
Step 5: dry, after resin-cast completes, rotor hangs in accurate temperature control baking oven and is cured and cools.
Advantageous Effects of the present invention is, the resin-cast system that the present invention is relatively current, and newly-increased vacuum emulsifying machine ensures vacuum level requirements during resin batch mixing, is beneficial to the discharge of gas in resin.Constant temperature heating device I, constant temperature heating device II, constant temperature heating device III ensure that the temperature requirement in resin batch mixing, defeated glue, encapsulating process respectively, eliminate the impact of ambient temperature on encapsulating quality.With whirling vibration platform in vacuum glue pouring tank, rotor is in vibrational state in encapsulating process, resin is conducive to extruding of gas in resin because seismic inertia constantly drops, relatively simple Action of Gravity Field cast, gas in resin can more thoroughly be got rid of sooner, devises accurate temperature control baking oven, and described accurate temperature control baking oven operating room measurement tolerance is only 0.5 DEG C, after being beneficial to rotor encapsulating, resin isothermal curing and colloid solidify the accurate control of rear cooling rate, eliminate the risk of colloid cracking.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural representation;
Fig. 2 is embodiment of the present invention vacuum emulsifying machine section of structure;
Fig. 3 is embodiment of the present invention vacuum glue pouring jar structure profile;
Fig. 4 is embodiment of the present invention glue conveying box section of structure;
Fig. 5 is embodiment of the present invention workflow diagram.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
With reference to accompanying drawing, a kind of rotor insulating resin vacuum pouring system, it comprises vacuum glue pouring tank 2, glue conveying box 5, vacuum pump 3, high-pressure inert gas air delivery device 4, vacuum emulsifying machine 1, vacuum pump 3 is connected with vacuum glue pouring tank 2 respectively by pipeline with high-pressure inert gas air delivery device 4, vacuum emulsifying machine 1 is connected with vacuum glue pouring tank 2 by glue conveying box 5, agitating device 1-1 is provided with in vacuum emulsifying machine 1, vacuum emulsifying machine 1 is connected with vacuum pump 3, treat the resin of encapsulating batch mixing in vacuum emulsifying machine 1, in order to increase contact area during resin agitating, described agitating device 1-1 is that frame revolves paddle structure, agitating device 1-1 is also provided with three wide leaves and revolves oar 1-2 in bottom, mixing speed can carry out stepless speed regulation at 0 ~ 250rpm, in order to temperature during resin batch mixing can be ensured, also comprise constant temperature heating device I 1-3, in vacuum emulsifying machine 1 tank body is set to, outside sandwich, inside and outside the circumference that described constant temperature heating device I 1-3 is arranged on vacuum emulsifying machine 1 tank body between interlayer, in order to ensure temperature during the defeated glue of resin, also comprise constant temperature heating device II 5-1, described constant temperature heating device II 5-1 is arranged on glue conveying box 5 outer surface.In order to improve the quality of resin encapsulating, also comprise whirling vibration platform 2-4, encapsulating die 6, whirling vibration platform 2-4 is arranged in vacuum glue pouring tank 2, treat that the rotor 2-3 of encapsulating is fixed on whirling vibration platform 2-4, the encapsulating die 6 matched with motor patent is arranged on to be treated on the rotor 2-3 of encapsulating.Described whirling vibration platform 2-4 is driven by rotating shaft 2-5, rotating shaft 2-5 is connected with gear box 2-6, servomotor 2-1 changes direction of rotation by gear box 2-6 provides power to rotating shaft 2-5, regulates vibration rotation platform 2-4 rotating speed by servomotor 2-1 speed governing.Described encapsulating die 6 adopts three-clove style circle configurations, and has 45 ° of gummosis ramps, is beneficial to quick curtain coating and the colloid demoulding of colloid, shortens the process operations time.In order to ensure temperature during resin encapsulating, also comprise constant temperature heating device III 2-2, described constant temperature heating device III 2-2 is arranged on outside vacuum glue pouring tank 2 tank body.In order to ensure the accurate control of colloid curing temperature and chilling temperature, also comprise accurate temperature control baking oven 7, rotor 2-3 after encapsulating is placed in accurate temperature control baking oven 7, the described accurate temperature control baking oven 7 operating room temperature difference is at about 0.5 DEG C, operating room's temperature and heating time control, without the need to personnel control by baking oven 7 built-in chip.
With reference to accompanying drawing 5, a kind of rotor insulating resin vacuum casting method, it comprises the following steps:
Step 1: resin vacuum batch mixing, prepare insulating resin consumption according to rotor 2-3 size, insulating resin is batch mixing in vacuum emulsifying machine 1, starts vacuum pump 3, vacuum pump 3 starts to vacuumize vacuum emulsifying machine 1, constant temperature heating device I 1-3 guarantee of work mixture temperature;
Step 2: mounting rotor of electric motor, after rotor 2-3 installs encapsulating die 6, lifting is fixed in vacuum glue pouring tank 2 on whirling vibration platform 2-4, and build vacuum glue pouring tank cover, constant temperature heating device III 2-2 is to vacuum glue pouring tank 2 heating and thermal insulation;
Step 3: vacuum pouring, colloid flows into glue conveying box 5 by Action of Gravity Field, glue conveying box 5 is incubated by constant temperature heating device II 5-1, vacuum glue pouring tank 2 whirling vibration platform 2-4 starts working, rotor 2-3 is made to be in whirling vibration state, vacuum pump 3 pairs of vacuum glue pouring tanks 2 vacuumize simultaneously, and after vacuum glue pouring tank 2 vacuum degree reaches requirement, colloid flows in encapsulating die 6 by Action of Gravity Field;
Step 4: pressurize, after encapsulating completes, disconnect vacuum pump 3 power supply, open high-pressure inert gas air delivery device 4 to gas transmission in vacuum glue pouring tank 2, close high-pressure inert gas air delivery device 4 after vacuum glue pouring tank 2 tank internal gas pressure reaches requirement, pressurize a period of time on request, after the dwell time arrives, pressure release, stop the rotation shaking platform 2-4;
Step 5: dry, after resin-cast completes, rotor 2-3 hangs in accurate temperature control baking oven 7 and is cured and cools.
Claims (14)
1. a rotor insulating resin vacuum pouring system, it comprises vacuum glue pouring tank, vacuum pump, high-pressure inert gas air delivery device, vacuum pump is connected with vacuum glue pouring tank respectively by pipeline with high-pressure inert gas air delivery device, it is characterized in that, also comprise vacuum emulsifying machine and glue conveying box, vacuum emulsifying machine is connected with vacuum glue pouring tank by glue conveying box, agitating device is provided with in vacuum emulsifying machine, vacuum emulsifying machine is provided with the jockey with vacuum pump, treats the resin of encapsulating batch mixing in vacuum emulsifying machine.
2. a kind of rotor insulating resin vacuum pouring system according to claim 1, it is characterized in that, described agitating device is that frame revolves paddle structure, and mixing speed is stepless speed regulation.
3., according to a kind of rotor insulating resin vacuum pouring system according to claim 1 or claim 2, it is characterized in that, described agitating device is also provided with three wide leaves and revolves oar.
4. according to a kind of rotor insulating resin vacuum pouring system according to claim 1 or claim 2, it is characterized in that, also comprise constant temperature heating device I, vacuum emulsification machine jar body is set to inside and outside interlayer, and described constant temperature heating device I is arranged between the inside and outside interlayer of vacuum emulsification machine jar body.
5. a kind of rotor insulating resin vacuum pouring system according to claim 4, it is characterized in that, described constant temperature heating device is located at the circumference of vacuum emulsification machine jar body.
6. a kind of rotor insulating resin vacuum pouring system according to claim 4, it is characterized in that, also comprise constant temperature heating device II, described constant temperature heating device II is arranged on glue conveying box outer surface.
7. according to a kind of rotor insulating resin vacuum pouring system of claim 1 or claim 2, it is characterized in that, also comprise whirling vibration platform, encapsulating die, whirling vibration platform is arranged in vacuum glue pouring tank, treat that the rotor of encapsulating is fixed on whirling vibration platform, the encapsulating die matched with motor patent is arranged on to be treated on the rotor of encapsulating.
8. a kind of rotor insulating resin vacuum pouring system according to claim 7, it is characterized in that, described whirling vibration platform is driven by rotating shaft, rotating shaft is connected with gear box, servomotor changes direction of rotation by gear box provides power to rotating shaft, regulates vibration rotation platform rotating speed by servomotor speed governing.
9. a kind of rotor insulating resin vacuum pouring system according to claim 7, is characterized in that, described encapsulating die adopts three-clove style circle configurations, and is provided with gummosis ramp.
10., according to a kind of rotor insulating resin vacuum pouring system according to claim 1 or claim 2, it is characterized in that, also comprise constant temperature heating device III, described constant temperature heating device III is arranged on outside vacuum glue pouring tank.
11. a kind of rotor insulating resin vacuum pouring systems according to claim 9, it is characterized in that, also comprise constant temperature heating device III, described constant temperature heating device III is arranged on outside vacuum glue pouring tank.
12. according to a kind of rotor insulating resin vacuum pouring system according to claim 1 or claim 2, it is characterized in that, also comprise accurate temperature control baking oven, the rotor after encapsulating is placed in accurate temperature control baking oven, and the described accurate temperature control baking oven operating room temperature difference is at about 0.5 DEG C.
13. a kind of rotor insulating resin vacuum pouring systems according to claim 11, it is characterized in that, also comprise accurate temperature control baking oven, the rotor after encapsulating is placed in accurate temperature control baking oven, and the described accurate temperature control baking oven operating room temperature difference is at about 0.5 DEG C.
14. 1 kinds of rotor insulating resin vacuum casting methods, it is characterized in that, it comprises the following steps:
Step 1: resin vacuum batch mixing, prepare insulating resin consumption according to rotor size, insulating resin is batch mixing in vacuum emulsifying machine, and start vacuum pump, vacuum pump starts to vacuumize vacuum emulsifying machine, constant temperature heating device I guarantee of work mixture temperature;
Step 2: after rotor installs encapsulating die, lifting to be fixed in vacuum glue pouring tank on whirling vibration platform, builds vacuum glue pouring tank cover, constant temperature heating device III pair of vacuum glue pouring tank heating and thermal insulation;
Step 3: vacuum pouring, colloid flows into glue conveying box by Action of Gravity Field, glue conveying box is incubated by constant temperature heating device II, vacuum glue pouring tank whirling vibration platform is started working, rotor is made to be in whirling vibration state, vacuum pump vacuumizes vacuum glue pouring tank simultaneously, and after vacuum glue pouring tank vacuum degree reaches requirement, colloid flows in encapsulating die by Action of Gravity Field;
Step 4: pressurize, after encapsulating completes, disconnect vacuum-pump power supply, open high-pressure inert gas air delivery device to gas transmission in vacuum glue pouring tank, close high-pressure inert gas air delivery device after vacuum glue pouring tank tank internal gas pressure reaches requirement, pressurize a period of time on request, after the dwell time arrives, pressure release, stop the rotation shaking platform;
Step 5: dry, after resin-cast completes, rotor hangs in accurate temperature control baking oven and is cured and cools.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809868.6A CN104410229A (en) | 2014-12-23 | 2014-12-23 | System and method for vacuum pouring of insulation resin used for motor rotor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809868.6A CN104410229A (en) | 2014-12-23 | 2014-12-23 | System and method for vacuum pouring of insulation resin used for motor rotor |
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| CN104410229A true CN104410229A (en) | 2015-03-11 |
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| CN201410809868.6A Pending CN104410229A (en) | 2014-12-23 | 2014-12-23 | System and method for vacuum pouring of insulation resin used for motor rotor |
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| CN108745122A (en) * | 2018-08-09 | 2018-11-06 | 湘潭电机股份有限公司 | A kind of glue-pouring device and glue-pouring method of rotor high viscosity insulating cement |
| CN108838026A (en) * | 2018-09-19 | 2018-11-20 | 河北科技大学 | A kind of ring potting adhesive curing device and process for filling colloid method |
| CN110052366A (en) * | 2019-05-13 | 2019-07-26 | 成都金士力科技有限公司 | One kind is for high/low temperature vacuum stepper motor rotation adhesive injection device and glue-pouring method |
| CN110428961A (en) * | 2019-08-06 | 2019-11-08 | 苏州工业园区代尔塔电机技术有限公司 | A kind of encapsulating structure and method of Wound-rotor type rotary transformer rotor |
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| CN110428961A (en) * | 2019-08-06 | 2019-11-08 | 苏州工业园区代尔塔电机技术有限公司 | A kind of encapsulating structure and method of Wound-rotor type rotary transformer rotor |
| CN110428961B (en) * | 2019-08-06 | 2021-08-03 | 苏州工业园区代尔塔电机技术有限公司 | Packaging structure and method for wound-rotor type rotary transformer rotor |
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Application publication date: 20150311 |