CN116404837A - Insulating varnish spraying process and equipment for outer rotor motor stator - Google Patents
Insulating varnish spraying process and equipment for outer rotor motor stator Download PDFInfo
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- CN116404837A CN116404837A CN202310334034.3A CN202310334034A CN116404837A CN 116404837 A CN116404837 A CN 116404837A CN 202310334034 A CN202310334034 A CN 202310334034A CN 116404837 A CN116404837 A CN 116404837A
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- 239000002966 varnish Substances 0.000 title claims abstract description 167
- 238000005507 spraying Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000011068 loading method Methods 0.000 claims abstract description 28
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000001764 infiltration Methods 0.000 claims abstract description 8
- 230000008595 infiltration Effects 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 30
- 239000000725 suspension Substances 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000000969 carrier Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 3
- 238000000576 coating method Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 206010063385 Intellectualisation Diseases 0.000 abstract description 2
- 230000000295 complement effect Effects 0.000 description 9
- 238000004804 winding Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005421 electrostatic potential Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention belongs to the technical field of insulating varnish spraying of an outer rotor motor stator, and particularly relates to an insulating varnish spraying process and equipment of the outer rotor motor stator, wherein the process comprises the steps of loading, spray coating, infiltration drying, baking, accelerated cooling and unloading which are sequentially carried out; in the spray coating, the insulating varnish is sprayed onto the stator of the outer rotor motor from top to bottom; in the infiltration step, the self gravity of the insulating varnish is utilized to cause the insulating varnish to infiltrate downwards and drip; the loading step and the unloading step are realized by using separate manipulators; in the spray coating and the drying step, the outer rotor motor stator rotates at a constant speed. According to the scheme, the insulating varnish spraying equipment can automatically perform insulating varnish spraying process, so that insulating varnish spraying operation is completed, manual labor is effectively reduced, automation and intellectualization of insulating varnish spraying operation are improved, unattended coating production can be realized, production efficiency is greatly improved, and labor cost is reduced.
Description
Technical Field
The invention belongs to the technical field of insulating varnish spraying of an outer rotor motor stator, and particularly relates to an insulating varnish spraying process and equipment of an outer rotor motor stator.
Background
After winding the coils, the outer rotor motor stator often needs to be coated with insulating varnish, and the implementation mode mainly comprises two modes of dipping and spraying. Such as: in the patent with the application number of CN202210997110.4, a method and a device for insulating and impregnating a motor winding are disclosed, wherein the method comprises an impregnating resin container, a sealing cover arranged at the top of the impregnating resin container, a motor stator arranged in the impregnating resin container and a vacuum tank connected with the impregnating resin container; the motor stator is fixed in the impregnating resin container through a fixing frame; the cable passes through the sealing cover to connect the stator winding of the motor stator with the power supply. The formed motor winding insulation PDIV is greatly improved, and the applicable voltage of the motor can be improved; the technology adopts a dipping mode to coat insulating varnish. And, for example: in the patent application CN200680011881.0, a coating method is referred to for an end winding of an electric machine, wherein the end winding comprises a plurality of wires to be coated. The coating material to be applied is atomized by a spraying device. Applying an electrostatic potential difference between the spraying device and the wire to be coated, thereby conveying atomized particles of the coating material along the formed power line in the direction of the wire to be coated of the end winding; the technology adopts a spraying mode to coat insulating varnish.
In the above technology, the dipping mode is adopted, and the action is complex because the stator needs to be immersed into a container, so that smooth circulation of the stator among different processes is difficult to realize, and automation is difficult to realize; in contrast, the automation degree can be effectively improved by adopting a spraying mode, but the problem that the conveyor belt is polluted by varnish is easily caused by adopting a conveyor belt supporting mode; therefore, it is necessary to design a flow line structure that can achieve varnish coating in a suspended manner.
Disclosure of Invention
In order to solve the problem of insulating varnish spraying of an outer rotor motor stator, the scheme provides an insulating varnish spraying process and equipment of the outer rotor motor stator.
The technical scheme adopted by the invention is as follows:
the insulating varnish spraying process of the outer rotor motor stator comprises the steps of loading, spray coating, infiltration drying, baking, accelerated cooling and unloading which are sequentially carried out; in the spray coating, the insulating varnish is sprayed onto the stator of the outer rotor motor from top to bottom; in the infiltration step, the self gravity of the insulating varnish is utilized to cause the insulating varnish to infiltrate downwards and drip; in the loading step and the unloading step, loading and unloading are realized by using separate manipulators or manually; in the spray coating and the drying step, the outer rotor motor stator rotates at a constant speed.
As an alternative structure or complementary design of the above-described insulating varnish spraying device: the device comprises a transmission chain, and a loading station, a varnish sprayer, an empty area, an electric heater, a fan group row and an unloading station which are sequentially arranged along the movement direction of the transmission chain; loading station, varnish sprayer, empty space, electric heater, fan bank and unloading station respectively complete loading, spray coating, infiltration drying, baking, accelerated cooling and unloading steps of the insulating varnish spraying process of claim 1.
As an alternative structure or complementary design of the above-described insulating varnish spraying device: the varnish sprayer, the empty area, the electric heater and the fan unit are arranged in the same spraying compartment; the loading station and the unloading station are adjacent to each other.
As an alternative structure or complementary design of the above-described insulating varnish spraying device: the varnish sprayer comprises a spray pipe and a spray head; the spray pipes are horizontally arranged, a plurality of spray heads are arranged on the spray pipes, each spray head is communicated with the spray pipes, and the spray pipes are communicated with the varnish storage pool; the insulating varnish in the varnish storage tank can be conveyed to each spray head by a spray pipe and sprayed on the outer rotor motor stator in an inclined downward mode.
As an alternative structure or complementary design of the above-described insulating varnish spraying device: a varnish collecting tank is arranged below the varnish sprayer, and one end of the varnish collecting tank extends to the lower part of the empty area; the varnish storage tank is arranged at one end of the varnish collecting tank; the varnish collecting tank is used for receiving dripped insulating varnish, enabling the insulating varnish to flow into the varnish storage tank, and then returning the insulating varnish to the spray pipe and the spray head through the varnish circulating pump so as to realize recycling.
As an alternative structure or complementary design of the above-described insulating varnish spraying device: the total length of the varnish collection tank is 10m-30m.
As an alternative structure or complementary design of the above-described insulating varnish spraying device: the transmission chain is suspended with stator suspension carriers, and a plurality of stator suspension carriers are arranged in a line along the movement direction of the transmission chain; the stator suspension carrier comprises a stator carrier seat, a bending hanger and a rotary fluted disc; the upper end of the stator carrying seat is provided with a carrying hole, and the central shaft of the outer rotor motor stator can be inserted into the carrying hole; the rotary fluted disc is arranged below the stator carrying seat and can drive the stator carrying seat to synchronously rotate; the lower end of the bending hanging frame is positioned below the stator carrying seat and is rotatably connected with the rotary fluted disc; the upper end of the bending hanging rack is provided with a hanging part, and the hanging part is arranged above the stator carrying seat and is hung with the transmission chain through a hanging support.
As an alternative structure or complementary design of the above-described insulating varnish spraying device: the bent hanging rack is C-shaped; the lower end of the bending hanging rack is provided with a rotary seat part; the rotary seat part is annular, a rotatable rotating shaft is arranged in an annular hole of the rotary seat part, and the rotating shaft is coaxially connected with the rotary fluted disc; the upper end of the rotating shaft is fixedly connected with the stator carrying seat, and the lower end of the rotating shaft is connected with the rotating fluted disc.
As an alternative structure or complementary design of the above-described insulating varnish spraying device: a rolling guide gear tooth row is arranged below the varnish sprayer, can be meshed with the rotary fluted disc, and drives the outer rotor motor stator to rotate in the moving process of the stator suspension carrier; one end of the rolling guide gear tooth row extends into the empty area.
As an alternative structure or complementary design of the above-described insulating varnish spraying device: the insulating varnish spraying equipment further comprises one or more chain body power devices, and the chain body power devices are in transmission connection with the transmission chain; the chain body power device is hung and installed through a hanging bracket.
The beneficial effects of the invention are as follows:
1. the insulating varnish spraying equipment in the scheme can automatically realize the steps of loading, spray coating, drying, baking, accelerated cooling, unloading and the like, thereby realizing the insulating varnish spraying operation of the outer rotor motor stator, effectively reducing the manpower labor, improving the automation and the intellectualization of the insulating varnish spraying operation, realizing the unattended coating production, greatly improving the production efficiency and reducing the labor cost;
2. in the scheme, the suspension carrying of the outer rotor motor stator is realized by utilizing the coordination of the bent hanging frame, the stator carrying seat and other parts, and meanwhile, the arranged rotary fluted disc can drive the stator carrying seat and the outer rotor motor stator placed on the stator carrying seat to rotate, so that the spraying uniformity can be improved and the spraying quality of the varnish can be ensured in the spraying process of the insulating varnish; the stator of the outer rotor motor in a hanging state is sprayed by the stator hanging carrier, so that the splashing of insulating varnish can be effectively reduced, the waste of the insulating varnish is reduced, and meanwhile, the pollution of the insulating varnish to nearby equipment and clothes of passers-by workers is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present solution or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a relative positional profile of various components of an insulating varnish spraying device;
FIG. 2 is a schematic structural view of a stator suspension carrier;
FIG. 3 is a connection state diagram of a stator suspension carrier and a drive train;
FIG. 4 is a state diagram of the stator suspension carrier at the varnish sprayer;
FIG. 5 is a state diagram of the stator hanging carrier at a fan bank;
fig. 6 is a state diagram of the stator hanging carrier and the chain power device.
In the figure: 1-spraying compartment; 2-loading a manipulator; 3-a varnish sprayer; 301-spray head; 4-a varnish collection tank; 5-an electric heater; 6, arranging a fan group; 7-a varnish circulation pump; 8-chain power plant; 801-hanging brackets; 9-stator suspension carriers; 901-bending a hanging frame; 902-a hitch; 903—a deflector carrier disc; 904-stator carrier; 905-rotating the seat; 906-a rotation axis; 907-rotating the fluted disc; 908-connection pins; 909-suspension mount; 10-a drive chain; 1001-track grooves; 11-row of rolling guide teeth; 12-an outer rotor motor stator; 13-unloading a manipulator; 14-a varnish storage tank.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and the described embodiments are only some embodiments, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any creative effort based on the embodiments of the present embodiment are all within the protection scope of the present solution.
Example 1
As shown in fig. 1 to 6, the embodiment designs an insulating varnish spraying device for an external rotor motor stator, which comprises a transmission chain 10, and a loading manipulator 2, a varnish sprayer 3, an empty area, an electric heater 5, a fan group row 6, an unloading manipulator 13 and the like which are sequentially arranged along the movement direction of the transmission chain 10. It should be noted that the work performed by the loading robot 2 and the unloading robot 13 may be replaced by a manual work.
On a stator hanging carrier 9 on a hanging transmission chain 10, along with the movement of the transmission chain 10, when the transmission chain passes through the loading manipulator 2, the varnish sprayer 3, the empty area, the electric heater 5, the fan group row 6, the unloading manipulator 13 and the like in sequence, the loading manipulator 2 grabs and places the outer rotor motor stator 12 on the stator hanging carrier 9, so that the loading step of the outer rotor motor stator 12 is completed; when the outer rotor motor stator 12 is loaded and moves to the varnish sprayer 3 along with the transmission chain 10, the varnish sprayer 3 sprays insulating varnish onto the outer rotor motor stator 12 from top to bottom, so that the step of spray coating the outer rotor motor stator 12 by insulating cleaning is completed; the gap area between the varnish sprayer 3 and the electric heater 5 forms the gap area, when the outer rotor motor stator 12 moves to the gap area along with the transmission chain 10, as the insulation cleaning spraying of the upper part area of the outer rotor motor stator 12 is more, the varnish sprayer 3 needs to permeate downwards and drop downwards from the outer rotor motor stator 12, and the seepage and drop actions are completed in the gap area, so that the seepage and dry step of the insulation varnish on the outer rotor motor stator 12 is realized, as the seepage and drop quantity of the insulation varnish are influenced by the length of the gap area, under the condition that the movement speed of the transmission chain 10 is unchanged, the greater the length of the gap area, the higher the seepage degree of the insulation varnish is, therefore, technicians can design the movement speed of the transmission chain 10 and the length of the gap area according to the requirements of the seepage degree of the insulation varnish; the main function of the electric heater 5 is to dry the insulating varnish on the outer rotor motor stator 12, when the outer rotor motor stator 12 moves to the electric heater 5 along with the transmission chain 10, the electric heater 5 will bake the outer rotor motor stator 12 and the insulating varnish, so that the insulating varnish remained on the outer rotor motor stator 12 is solidified, and the baking step of the outer rotor motor stator 12 is realized; the fan group 6 can be composed of a plurality of mutually independent axial fans, and the axial fans are arranged in a straight line along the movement direction of the transmission chain 10, so that when the outer rotor motor stator 12 moves to the fan group 6 along with the transmission chain 10, the step of accelerating and cooling of the outer rotor motor stator 12 is completed; when the outer rotor motor stator 12 moves to the unloading manipulator 13, the unloading manipulator 13 will grab the stator hanging carrier 9, thereby completing the unloading step of the outer rotor motor stator 12.
The varnish sprayer 3, the empty area, the electric heater 5 and the fan bank 6 are arranged in the same spraying compartment 1, so that the splashing of insulating varnish in the spraying operation process can be effectively avoided, and the problem that the insulating varnish adheres to components such as the loading manipulator 2, the unloading manipulator 13 and the chain power device 8 to cause abnormal operation of the components is solved. The loading manipulator 2 is arranged at the inlet side of the spraying compartment 1 and mainly used for placing the outer rotor motor stator 12 on the stator hanging carrier 9; the unloading manipulator 13 is arranged on the outlet side of the painting booth 1 and mainly serves to remove the outer rotor motor stator 12 from the stator suspension carrier 9. The loading robot 2 and the unloading robot 13 may be commercially available existing robot products, and specific usage and structure thereof are not described in detail in this embodiment.
The varnish sprayer 3 comprises a nozzle pipe and a spray head 301; the spray pipes are horizontally arranged, a plurality of spray heads 301 are arranged on the spray pipes, the spray pipes are oval in shape for increasing the spray pressure, the carrying area of the liquid outlet is about 2/3 to 1/3 of that of the spray pipes, each spray head 301 is communicated with the spray pipes, and the spray pipes are communicated with the varnish storage tank 14; the insulating varnish in the varnish storage tank 14 can be conveyed from the spray pipes to the respective spray heads 301 and sprayed obliquely downward onto the outer rotor motor stator 12. A varnish collecting tank 4 is arranged below the varnish sprayer 3, and one end of the varnish collecting tank 4 extends to the lower part of the empty area; the varnish storage tank 14 is positioned at the obliquely lower side of the varnish collection tank 4; the varnish collecting tank 4 is used for receiving the dripped insulating varnish, and enabling the insulating varnish to flow into the varnish storage tank 14, and then the insulating varnish is returned to the spray pipe and the spray head through the varnish circulating pump 7, so that the recycling is realized. The total length of the varnish collection tank 4 is 10m-30m. At the varnish sprayer 3 and at the empty area, the insulating varnish on the outer rotor motor stator 12 will permeate and drop downwards under the action of self gravity; the function of the varnish collection tank 4 is to collect these dripping insulating varnish, so that waste is avoided, the insulating varnish in the varnish collection tank 4 will flow into the varnish storage tank 14, which varnish storage tank 14 can be pumped into the spray pipes by the corresponding varnish circulation pump 7, the spray pipes convey the insulating varnish to the respective spray heads 301, the flow rate of the spray is generally 2-5 cubic meters per minute, the spray is vertically or obliquely downward from top to bottom by the spray heads 301, and thus the circulation of the insulating varnish is achieved. In the circulation process, the outer rotor motor stator 12 always rotates horizontally, so that the uniformity of the insulating varnish is ensured, meanwhile, the insulating varnish is always in a flowing state through the circulation of the insulating varnish, the phenomenon that the insulating varnish is stationary and precipitates is effectively avoided, the concentration uniformity of the insulating varnish is ensured, and the uniformity of the insulating varnish coated on the outer rotor motor stator 12 can be ensured to a certain extent.
The insulating varnish spraying equipment further comprises one or more chain body power devices 8, wherein the chain body power devices 8 are in transmission connection with the transmission chain 10; the chain power unit 8 is suspended and mounted by a suspension bracket 801.
Example 2
As shown in fig. 2 to 6, the transmission chain 10 in embodiment 1 is suspended with stator suspension carriers 9, and a plurality of stator suspension carriers 9 are arranged in a line along the direction of movement of the transmission chain 10; when the drive chain 10 is disposed in the rail groove 1001, the drive chain 10 can be protected, and the drive direction of the drive chain 10 can be guided.
The specific structure of the stator hanging carrier 9 is as follows: comprises a stator carrier 904, a bending hanger 901, a rotary fluted disc 907 and other parts.
The stator carrier 904 is in a circular tube shape, a carrier hole is formed at the upper end of the stator carrier 904, and when the outer rotor motor stator 12 is placed on the stator carrier 904, the central shaft of the outer rotor motor stator 12 is inserted into the carrier hole, so that the stator carrier 904 supports the rotor motor stator, and meanwhile, falling of the outer rotor motor stator 12 is avoided.
The bent hanging rack 901 can adopt a C-shaped structure, the gap between the upper end and the lower end of the bent hanging rack 901 needs to be larger than the height of the outer rotor motor stator 12, and the lower end of the bent hanging rack 901 is provided with a rotary seat 905; the rotating seat 905 is annular, a rotatable rotating shaft 906 is provided in an annular hole of the rotating seat 905, and the rotating shaft 906 is fixedly connected with the stator carrier 904. A hanging part 902 for external connection is arranged at the upper end of the bending hanging rack 901, and the hanging part 902 can be in a U-shaped structure and is provided with a connecting port which is opened upwards; the frame body of the bending hanging frame 901 is connected to the outer side wall of the hanging connection part 902; a pin hole is provided in the hanging portion 902, and the pin hole perpendicularly intersects the connection port. In addition, the above U-shaped hanging portion 902 belongs to one of the external connection structures, and when the transportation equipment is different, the hanging portion 902 can be set to be in a shape of a hook or the like, so that hanging between the bent hanging frame 901 and the transportation equipment can be realized.
The deflector carrier 903 is connected to the lower end of the stator carrier 904, and the stator carrier 904 is located at the center of the stator carrier 904. It should be noted that the flow guiding carrier plate 903 needs to be disposed above the lower end of the bending hanger 901; the effect of this water conservancy diversion carrier plate 903 is sheltered from and water conservancy diversion to the varnish, therefore, this water conservancy diversion carrier plate 903 can adopt the structure of middle part arch, when the varnish from the top down sprays, perhaps when spraying from the side, can utilize water conservancy diversion carrier plate 903 to shelter from the rotatory seat 905 and the rotation axis 906 of curved hanger 901 lower extreme to avoid both adhesion varnishes, and influence the rotation of rotation axis 906.
The rotary fluted disc 907 is arranged below the stator carrier 904 and can drive the stator carrier 904 to synchronously rotate; the lower end of the bending hanging rack 901 is positioned below the stator carrying seat 904 and is rotatably connected with the rotary fluted disc 907; the upper end of the bending hanging rack 901 is positioned above the stator carrying seat 904, the upper end of the rotating shaft 906 is fixedly connected with the stator carrying seat 904, and the lower end of the rotating shaft 906 is connected with the rotating fluted disc 907; in addition, the rotation shaft 906 may be provided below the rotation fluted disc 907. In addition, teeth may be provided at the edge of the deflector disk 903, and the deflector disk 903 is used as the rotating toothed disk 907.
A rolling guide gear tooth row 11 is arranged below the varnish sprayer 3, the side surface of the rolling guide gear tooth row 11 can be meshed and matched with a rotary fluted disc 907, and in the moving process of the stator hanging carrier 9, the stator carrier 904 rotates in the transporting process, so that the outer rotor motor stator 12 is driven to rotate; one end of the rolling guide gear tooth row 11 extends into the empty area, so that the outer rotor motor stator 12 also performs rotary motion in the process of insulating varnish infiltration drying, and the uniformity of the insulating varnish is ensured.
Example 3
The embodiment designs an insulating varnish spraying process of an outer rotor motor stator, which comprises the steps of loading, spray coating, drying, baking, accelerated cooling and unloading sequentially. In the spray coating, the insulating varnish is sprayed onto the outer rotor motor stator 12 from top to bottom; in the infiltration step, the self gravity of the insulating varnish is utilized to cause the insulating varnish to infiltrate downwards and drip; the loading step and the unloading step are realized by using separate manipulators; in the spray coating and the drying step, the outer rotor motor stator 12 rotates at a constant speed.
The insulating varnish spraying process can be achieved using the insulating varnish spraying apparatus of example 1 in combination with the stator suspension carrier 9 of example 2.
The above examples are presented for the purpose of illustration only and are not intended to be limiting of the embodiments; it is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present technology.
Claims (10)
1. An insulating varnish spraying process for an outer rotor motor stator is characterized by comprising the following steps of: the method comprises the steps of loading, spray coating, drying, baking, accelerated cooling and unloading which are sequentially carried out; in the spray coating, the insulating varnish is sprayed onto an outer rotor motor stator (12) from top to bottom; in the infiltration step, the self gravity of the insulating varnish is utilized to cause the insulating varnish to infiltrate downwards and drip; in the loading step and the unloading step, the loading and the unloading are realized by using separate manipulators or manually; in the spray coating and the drying step, the outer rotor motor stator (12) rotates at a constant speed.
2. An insulating varnish spraying device for an outer rotor motor stator is characterized in that: the device comprises a transmission chain (10), and a loading station, a varnish sprayer (3), an empty area, an electric heater (5), a fan group row (6) and an unloading station which are sequentially arranged along the movement direction of the transmission chain (10); loading station, varnish sprayer (3), empty space, electric heater (5), fan row (6) and unloading station respectively complete the steps of loading, spray coating, drying, baking, accelerated cooling and unloading of the insulating varnish spraying process according to claim 1.
3. The insulating varnish spraying device of an outer rotor motor stator according to claim 2, wherein: the varnish sprayer (3), the empty area, the electric heater (5) and the fan bank (6) are arranged in the same spraying compartment (1); the loading station and the unloading station are adjacent to each other.
4. The insulating varnish spraying device of an outer rotor motor stator according to claim 2, wherein: the varnish sprayer (3) comprises a nozzle pipe and a spray head (301); the spray pipe is horizontally arranged, a plurality of spray heads (301) are arranged on the spray pipe, each spray head (301) is communicated with the spray pipe, and the spray pipe is communicated with the varnish storage pool; the insulating varnish in the varnish storage tank can be conveyed to each spray head (301) from a spray pipe and sprayed on the outer rotor motor stator (12) in an inclined downward mode.
5. An insulating varnish spraying device for an external rotor motor stator as in claim 3, wherein: a varnish collecting tank (4) is arranged below the varnish sprayer (3), and one end of the varnish collecting tank (4) extends to the lower part of the empty area; the varnish storage tank is arranged at one end of the varnish collecting tank (4); the varnish collecting tank (4) is used for receiving the dripped insulating varnish, enabling the insulating varnish to flow into the varnish storage tank, and then returning to the spray pipe and the spray head (301) through the varnish circulating pump (7) so as to realize recycling.
6. The insulating varnish spraying device of the outer rotor motor stator according to claim 5, wherein: the total length of the varnish collection tank (4) is 10m-30m.
7. The insulating varnish spraying device of an outer rotor motor stator according to claim 2, wherein: a stator suspension carrier (9) is suspended on the transmission chain (10), and a plurality of stator suspension carriers (9) are arranged in a straight line along the movement direction of the transmission chain (10); the stator suspension carrier (9) comprises a stator carrier seat (904), a bending hanging rack (901) and a rotary fluted disc (907); a carrying hole is formed in the upper end of the stator carrying seat (904), and the central shaft of the outer rotor motor stator (12) can be inserted into the carrying hole; the rotary fluted disc (907) is arranged below the stator carrying seat (904) and can drive the stator carrying seat to synchronously rotate; the lower end of the bending hanging frame (901) is positioned below the stator carrying seat (904) and is rotatably connected with the rotary fluted disc (907); the upper end of the bending hanging frame (901) is provided with a hanging part (902), and the hanging part (902) is positioned above the stator carrying seat (904) and is hung with the transmission chain (10) through a hanging support (909).
8. The insulating varnish spraying device of the outer rotor motor stator according to claim 7, wherein: the bending hanging rack (901) is C-shaped; a rotary seat (905) is arranged at the lower end of the bending hanging rack (901); the rotary seat part (905) is annular, a rotatable rotary shaft (906) is arranged in an annular hole of the rotary seat part (905), and the rotary shaft (906) is coaxially connected with the rotary fluted disc (907); the upper end of the rotating shaft (906) is fixedly connected with the stator carrying seat (904), and the lower end of the rotating shaft (906) is connected with the rotating fluted disc (907).
9. The insulating varnish spraying device of the outer rotor motor stator according to claim 7, wherein: a rolling guide gear tooth row (11) is arranged below the varnish sprayer (3), and the rolling guide gear tooth row (11) can be meshed with a rotary fluted disc (907) and drives an outer rotor motor stator (12) to rotate in the moving process of the stator suspension carrier (9); one end of the rolling guide gear tooth row (11) extends into the empty area.
10. The insulating varnish spraying device of an outer rotor motor stator according to claim 2, wherein: the insulating varnish spraying equipment further comprises one or more chain body power devices (8), and the chain body power devices (8) are in transmission connection with the transmission chain (10); the chain body power device (8) is hung and installed through a hanging bracket (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310334034.3A CN116404837A (en) | 2023-03-29 | 2023-03-29 | Insulating varnish spraying process and equipment for outer rotor motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310334034.3A CN116404837A (en) | 2023-03-29 | 2023-03-29 | Insulating varnish spraying process and equipment for outer rotor motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116404837A true CN116404837A (en) | 2023-07-07 |
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ID=87017215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310334034.3A Pending CN116404837A (en) | 2023-03-29 | 2023-03-29 | Insulating varnish spraying process and equipment for outer rotor motor stator |
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| Country | Link |
|---|---|
| CN (1) | CN116404837A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116995877A (en) * | 2023-09-25 | 2023-11-03 | 江苏弗林特机电科技有限公司 | Motor stator spraying device |
-
2023
- 2023-03-29 CN CN202310334034.3A patent/CN116404837A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116995877A (en) * | 2023-09-25 | 2023-11-03 | 江苏弗林特机电科技有限公司 | Motor stator spraying device |
| CN116995877B (en) * | 2023-09-25 | 2023-12-15 | 江苏弗林特机电科技有限公司 | Motor stator spraying device |
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