CN217789536U - Vacuum paint dipping equipment for motor stator - Google Patents
Vacuum paint dipping equipment for motor stator Download PDFInfo
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- CN217789536U CN217789536U CN202221551327.4U CN202221551327U CN217789536U CN 217789536 U CN217789536 U CN 217789536U CN 202221551327 U CN202221551327 U CN 202221551327U CN 217789536 U CN217789536 U CN 217789536U
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- pipe
- motor stator
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Abstract
The utility model relates to a motor dip coating device field discloses a motor stator's vacuum dip coating equipment, include: the device comprises a top flange plate, a bottom flange plate, a supporting pipe, a paint discharging assembly and a vacuum pump suction pipe; the bottom flange plate is covered at the bottom of the motor stator shell, a paint discharging opening is formed in the bottom flange plate, the paint discharging assembly comprises a paint discharging pipe and a first switch valve arranged on the paint discharging pipe, and one end of the paint discharging pipe is connected with the paint discharging opening; the supporting tube is inserted in the stator winding, the bottom of the supporting tube is connected with the bottom flange plate, and the paint discharging port is positioned on the periphery of the supporting tube; the top flange plate is covered on the top of the motor stator casing and is provided with an air outlet, one end of a vacuum pump suction pipe is connected with the air outlet, and the top of the supporting pipe protrudes out of the stator winding and is spaced from the top flange plate. The utility model has the advantages that the supporting tube is arranged on the bottom flange plate, so that the using amount of the insulating paint is greatly reduced, and the paint dipping cost is reduced; a pressure gauge is arranged to control the degree of vacuum pumping; the arrangement of the observation glass facilitates the real-time observation of the paint dipping condition of the stator winding.
Description
Technical Field
The utility model relates to a motor dip coating device field especially relates to a motor stator's vacuum dip coating equipment.
Background
At present, the whole motor needs to be placed into the vacuum dip coating treatment equipment by the special vacuum dip coating treatment equipment for the motor, so that the inside and the outside of the motor are covered with insulating paint, the insulating paint is wasted, and the cleaning difficulty is increased. For example, in the motor stator vacuum paint dipping device disclosed in the patent with the publication number of CN203406756U, although an integral sealing device is formed by utilizing the motor stator casing, the upper sealing and the lower sealing, the motor stator casing is vacuumized by a pump, then the paint in the paint cylinder is pumped into the motor stator casing, and the vacuum paint dipping treatment is performed on the motor stator winding, the device still consumes a large amount of insulating paint.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is: the utility model provides a vacuum dip coating equipment of motor stator, equipment structure is simple, with low costs, utilizes motor stator casing to carry out the vacuum dip coating and handles, and practices thrift the insulating varnish quantity greatly.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a motor stator's vacuum dip coating equipment, motor stator includes casing and stator winding, the casing is upper and lower open-ended cylindric, stator winding locates in the casing, motor stator's vacuum dip coating equipment includes: the device comprises a top flange plate, a bottom flange plate, a supporting pipe, a paint discharging assembly and a vacuum pump suction pipe; the bottom flange plate is detachably covered at the bottom of the shell, a paint discharging opening is formed in the bottom flange plate, the paint discharging assembly comprises a paint discharging pipe and a first switch valve arranged on the paint discharging pipe, and one end of the paint discharging pipe is connected to the paint discharging opening; the supporting tube is inserted in the stator winding, the bottom of the supporting tube is connected with the bottom flange plate, and the paint discharging port is positioned on the periphery of the supporting tube; the top flange plate is detachably covered on the top of the casing in a sealing mode, an air outlet is formed in the top flange plate, one end of the vacuum pump suction pipe is connected with the air outlet, and the top of the supporting pipe protrudes out of the stator winding and is spaced from the top flange plate.
Specifically, a second switch valve is connected to the suction pipe of the vacuum pump.
Specifically, the top flange plate is further provided with a pressure gauge for detecting a pressure value in the casing.
Specifically, a third switch valve is arranged between the pressure gauge and the top flange plate.
Specifically, an observation window is further arranged on the top flange plate.
Specifically, the top flange plate is detachably connected with the top of the casing through a threaded fastener, and the bottom flange plate is detachably connected with the bottom of the casing through a threaded fastener.
Specifically, the support tube is cylindrical.
Particularly, the vacuum pump is further included and connected to the other end of the vacuum pump suction pipe.
Specifically, the supporting tube is connected with the bottom flange plate through welding.
Specifically, a first sealing ring is arranged between the bottom flange plate and the machine shell, and a second sealing ring is arranged between the top flange plate and the machine shell.
The utility model discloses a motor stator's vacuum dip coating equipment, its beneficial effect lies in: by adopting the paint dipping equipment for sealing the two ends of the shell in a cylindrical manner and then vacuumizing, the use amount of the insulating paint can be greatly reduced and the purchase material cost of the insulating paint is reduced because the supporting tubes occupy a certain space in the shell;
furthermore, a vacuum pump is used for pumping air in the shell, a pressure gauge is used for observing a pressure indicated value, so that the vacuum degree in the shell reaches minus 0.09MPa to minus 0.095MPa, insulating paint can rapidly and thoroughly permeate gaps of electric appliance coils, the aim of paint dipping is achieved, a third switch valve is arranged between the pressure gauge and a top flange plate, and the third switch valve can be directly closed in the vacuum paint dipping stage if the pressure gauge is damaged, so that the pressure gauge can be replaced without pressure relief;
an observation window is arranged on the top flange plate for placing observation glass so that workers can observe the vacuum paint dipping condition of the motor stator winding in real time;
the equipment can greatly save the using amount of the insulating paint, has simple structure and low cost, is convenient and quick to assemble and disassemble, and improves the working efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view taken in the direction A-A of FIG. 1;
FIG. 4 is a cross-sectional view taken in the direction B-B of FIG. 1;
in the figure, 1, a housing; 2. a stator winding; 3. a top flange plate; 4. a bottom flange plate; 5. supporting a pipe; 6. a paint discharging assembly; 61. arranging paint pipes; 62. a first on-off valve; 7. a vacuum pump suction pipe; 8. a second on-off valve; 9. a pressure gauge; 10. a third on-off valve; 11. observing glass; 12. an observation window; 13. paint discharging openings; 14. and an air outlet.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 and fig. 2, the vacuum paint dipping device for the motor stator according to the embodiment of the present invention includes a top flange plate 3, a bottom flange plate 4, a support tube 5, a paint discharging assembly 6 and a vacuum pump suction tube 7; the bottom flange plate 4 is detachably covered at the bottom of the shell 1 of the motor stator, and a paint discharging port 13 is formed in the bottom flange plate 4 so as to discharge residual paint after vacuum paint dipping is finished; the paint discharging assembly 6 comprises a paint discharging pipe 61 and a first switch valve 62 arranged on the paint discharging pipe 61, one end of the paint discharging pipe 61 is connected to the paint discharging port 13, the paint discharging pipe 61 is used for guiding residual paint discharged from the paint discharging port 13, the first switch valve 62 is used for controlling paint discharging, and preferably, the first switch valve 62 is a ball valve; the supporting tube 5 is inserted into the stator winding 2, the bottom of the supporting tube 5 is connected with the bottom flange plate 4, and the supporting tube 5 is used for occupying a certain volume space in the sealed casing 1, so that the using amount of insulating paint needing to be poured is reduced, and the insulating paint is saved.
Preferably, the support tube 5 is cylindrical and fits the stator winding 2 in a ring shape to occupy a maximum volume space; the paint discharge port 13 is positioned on the periphery of the support tube 5; the top flange plate 3 can be detachably covered at the top of the casing 1, an air outlet 14 is formed in the top flange plate 3 and used for extracting air in the sealed casing 1 in a vacuum stage or relieving pressure after paint dipping is finished to enable the air to enter the sealed casing 1, one end of a vacuum pump suction pipe 7 is connected with the air outlet 14 to provide a channel for the air to enter and exit the sealed casing 1, and the top of the supporting pipe 5 protrudes out of the stator winding 2 and a space is reserved between the top flange plate 3.
And a second switch valve 8 is connected to the vacuum pump suction pipe 7 and is used for controlling air to enter and exit the sealed casing 1.
And the top flange plate 3 is also provided with a pressure gauge 9 for detecting the pressure value in the shell 1, and when the pressure indicated value reaches-0.09 MPa to-0.095 MPa, the continuous vacuum pumping is stopped.
And a third switch valve 10 is arranged between the pressure gauge 9 and the top flange plate 3 and used for closing the third switch valve 10 to replace the pressure gauge 9 under the condition that the pressure gauge 9 is damaged in the vacuum paint dipping stage, so that the pressure gauge 9 is replaced without stopping vacuum paint dipping and pressure relief.
The top flange plate 3 is further provided with an observation window 12, observation glass 11 is placed on the observation window 12, and preferably, the observation glass 11 and the observation window 12 are fixed through glue.
The top flange plate 3 with the top of casing 1 is passed through threaded fastener and can be dismantled the connection, bottom flange plate 4 with the bottom of casing 1 is passed through threaded fastener and can be dismantled the connection, uses threaded fastener to be convenient for the dismouting, just bottom flange plate 4 with casing 1 is filled up between has first sealing washer (not specifically shown in the figure), top flange plate 3 with casing 1 is filled up between has the second sealing washer (not specifically shown in the figure) to strengthen sealed effect, thereby realize the evacuation.
The other end of the vacuum pump suction pipe 7 is also connected with a vacuum pump (not specifically shown in the drawing), and the vacuum pump is used for vacuumizing the sealed casing 1.
The support tube 5 and the bottom flange plate 4 are of an integral structure, and preferably, the support tube 5 and the bottom flange plate 4 can be welded into a whole by a welding mode.
The utility model discloses a working process does: the method comprises the steps of stably placing an integrated supporting tube 5 and a bottom flange plate 4 on a tool, placing a first sealing ring on the bottom flange plate 4, sleeving a casing 1 and a stator winding 2 on the supporting tube 5, connecting the bottom of the casing 1 with the bottom flange plate 4 through a threaded fastener, filling insulating paint into a gap between the stator winding 2 and the supporting tube 5 until the insulating paint submerges the top of the stator winding 2, placing a second sealing ring on the top of the casing 1, placing a top flange plate 3, fixing the top flange plate 3 with the top of the casing 1 through the threaded fastener, connecting a vacuum pump with a vacuum pump suction pipe 7, starting vacuumizing, observing an indicated value of a pressure gauge 9 to enable the vacuum degree in the casing 1 to reach-0.09 MPa to-0.095 MPa, stopping continuous vacuumizing, and enabling the insulating paint to quickly soak the stator winding 2 under the vacuum degree to achieve the purpose of paint dipping. After the paint dipping is finished, the second switch valve 8 is opened to release the pressure, and the first switch valve 62 is opened to discharge the residual paint.
To sum up, the embodiment of the present invention provides a vacuum paint dipping device for a motor stator, which can greatly reduce the usage amount of insulating paint and the purchase material cost of the insulating paint because the supporting tube 5 occupies a certain space in the casing 1; further, a vacuum pump is used for pumping air in the shell 1, a pressure indicated value is observed through a pressure gauge 9, the vacuum degree in the shell 1 reaches minus 0.09MPa to minus 0.095MPa, insulating paint can rapidly and thoroughly permeate gaps of electric appliance coils, the purpose of paint dipping is achieved, a third switch valve 10 is arranged between the pressure gauge 9 and the top flange plate 3, the third switch valve 10 can be directly closed in the vacuum paint dipping stage if the pressure gauge 9 is damaged, and therefore the pressure gauge 9 can be replaced without pressure relief; furthermore, an observation window 12 is arranged on the top flange plate 3 for placing observation glass 11 so that a worker can observe the vacuum paint dipping condition of the motor stator winding 2 in real time; furthermore, stay tube 5 and bottom flange plate 4 formula as an organic whole, the dismouting of being convenient for improves work efficiency.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a motor stator's vacuum dip coating equipment, motor stator includes casing and stator winding, the casing is upper and lower open-ended cylindric, stator winding locates in the casing, its characterized in that includes: the device comprises a top flange plate, a bottom flange plate, a supporting pipe, a paint discharging assembly and a vacuum pump suction pipe;
the bottom flange plate is detachably covered at the bottom of the shell, a paint discharging opening is formed in the bottom flange plate, the paint discharging assembly comprises a paint discharging pipe and a first switch valve arranged on the paint discharging pipe, and one end of the paint discharging pipe is connected to the paint discharging opening;
the supporting tube is inserted into the stator winding, the bottom of the supporting tube is connected with the bottom flange plate, and the paint discharging port is positioned on the periphery of the supporting tube;
the top flange plate is detachably covered on the top of the casing in a sealing mode, an air outlet is formed in the top flange plate, one end of the vacuum pump suction pipe is connected with the air outlet, and the top of the supporting pipe protrudes out of the stator winding and is spaced from the top flange plate.
2. The vacuum impregnation apparatus for motor stators as claimed in claim 1, wherein a second switching valve is connected to the suction pipe of the vacuum pump.
3. The vacuum paint dipping apparatus for motor stator according to claim 1, wherein the top flange plate is further provided with a pressure gauge for detecting a pressure value inside the housing.
4. The vacuum paint dipping equipment for the motor stator according to claim 3, wherein a third on/off valve is arranged between the pressure gauge and the top flange plate.
5. The vacuum painting apparatus for motor stators of claim 1, wherein the top flange plate further has a viewing window thereon.
6. The vacuum painting apparatus for a motor stator according to any one of claims 1 to 5, wherein the top flange plate is detachably coupled to a top of the housing by a screw fastener, and the bottom flange plate is detachably coupled to a bottom of the housing by a screw fastener.
7. Vacuum impregnation equipment for a stator of an electric machine according to any one of claims 1 to 5, characterized in that the support tube is cylindrical.
8. The vacuum impregnation apparatus for the stator of the motor according to any one of claims 1 to 5, further comprising a vacuum pump connected to the other end of the suction pipe of the vacuum pump.
9. The vacuum paint dipping device for the motor stator according to any one of claims 1 to 5, wherein the support tube is connected with the bottom flange plate by welding.
10. The vacuum paint dipping device for the motor stator according to any one of claims 1 to 5, wherein a first sealing ring is arranged between the bottom flange plate and the machine shell, and a second sealing ring is arranged between the top flange plate and the machine shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221551327.4U CN217789536U (en) | 2022-06-20 | 2022-06-20 | Vacuum paint dipping equipment for motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221551327.4U CN217789536U (en) | 2022-06-20 | 2022-06-20 | Vacuum paint dipping equipment for motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217789536U true CN217789536U (en) | 2022-11-11 |
Family
ID=83933892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221551327.4U Active CN217789536U (en) | 2022-06-20 | 2022-06-20 | Vacuum paint dipping equipment for motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217789536U (en) |
-
2022
- 2022-06-20 CN CN202221551327.4U patent/CN217789536U/en active Active
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