CN221327526U - Vacuum paint dipping equipment for transformer - Google Patents
Vacuum paint dipping equipment for transformer Download PDFInfo
- Publication number
- CN221327526U CN221327526U CN202322648251.8U CN202322648251U CN221327526U CN 221327526 U CN221327526 U CN 221327526U CN 202322648251 U CN202322648251 U CN 202322648251U CN 221327526 U CN221327526 U CN 221327526U
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- Prior art keywords
- paint
- tank
- paint dipping
- air
- pipe
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- 239000003973 paint Substances 0.000 title claims abstract description 214
- 238000007598 dipping method Methods 0.000 title claims abstract description 132
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 230000006837 decompression Effects 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The utility model relates to a vacuum paint dipping device for a transformer. The automatic paint dipping device comprises a paint tank, a decompression and pressurization device and a paint dipping tank, wherein a tank cover locked by a plurality of locks is hinged to the top of the paint dipping tank, a plurality of in-tank supporting tables are arranged on the inner wall of the paint dipping tank, and a removable paint dipping hanging basket is supported on the in-tank supporting tables; the pressure reducing and boosting device comprises a pressure boosting air pump and a vacuum pump, an air inlet of the vacuum pump is connected to an air extracting opening on the side wall of the paint dipping tank through an air extracting pipe, an air extracting valve is arranged on the air extracting pipe, an air supplying opening of the pressure boosting air pump is connected to an air injecting opening on the side wall of the paint dipping tank through an air injecting pipe, and an air injecting valve and a pressure releasing valve are arranged on the air injecting pipe; the paint inlet at the bottom of the paint dipping tank is connected to the paint outlet at the bottom of the paint dipping tank through a paint injection pump, and the paint outlet at the bottom of the paint dipping tank is connected to the paint inlet at the bottom of the paint dipping tank through a paint return pump. The utility model has reasonable structural design, can execute an optimized paint dipping process, improves the paint dipping processing efficiency and improves the paint dipping processing effect.
Description
Technical Field
The utility model belongs to the technical field of transformer production equipment, and particularly relates to vacuum paint dipping equipment for a transformer.
Background
The production of transformer products involves a paint dipping process. The insulating paint can increase the mechanical strength of the transformer and meet the requirements of vibration and impact in the transportation and use processes. Simultaneously, noise generated by the action of electromagnetic force in use can be reduced. The insulating paint can improve the electric resistance and the insulation resistance of the transformer insulation system so as to improve the electric insulation performance of the transformer and meet the electric insulation performance requirement of the transformer. The electronic transformer is immersed in the insulating paint, and gaps between the iron core and the winding are filled with paint films, so that the overall heat conductivity of the transformer can be improved, and the temperature rise of the transformer can be reduced. The transformer impregnating insulating paint can enhance the moisture resistance, mildew resistance, corrosion resistance, salt fog resistance, ultraviolet resistance and other harmful substance invasion resistance of a transformer insulating system so as to enhance the environmental adaptability of the electronic transformer. Generally, a dry type transformer is generally immersed in paint by vacuum pressure, namely, a body is thoroughly dried and then is placed in a paint immersing tank, then is vacuumized while being immersed, and after paint is over the product, the vacuumizing is stopped, positive pressure is added, the paint is accelerated to enter insulation, and after the paint is dried, the paint is put into an oven for baking.
The existing paint dipping equipment is not easy to carry out the paint dipping process of 'product entering into a tank-vacuumizing while dipping paint-positive pressure and pressure maintaining', generally only the steps of vacuumizing and pressure maintaining after paint injection can be carried out, and the paint dipping processing efficiency of the transformer product is lower and the paint dipping effect has room for improvement. Therefore, the paint dipping device of the transformer needs to be optimally designed structurally so as to solve the technical problems.
Disclosure of utility model
The utility model provides the transformer vacuum paint dipping equipment which has reasonable structural design and can execute an optimized paint dipping process, improve the paint dipping processing efficiency and improve the paint dipping processing effect, and solves the technical problems in the prior art.
The utility model adopts the technical proposal for solving the technical problems in the prior art that: the vacuum paint dipping equipment for the transformer comprises a paint tank, a decompression supercharging device and a paint dipping tank, wherein a tank cover locked by a plurality of locks is hinged to the top of the paint dipping tank, a plurality of in-tank supporting tables are arranged on the inner wall of the paint dipping tank, and a removable paint dipping hanging basket is supported on the in-tank supporting tables; the pressure reducing and boosting device comprises a pressure boosting air pump and a vacuum pump, an air inlet of the vacuum pump is connected to an air extracting opening on the side wall of the paint dipping tank through an air extracting pipe, an air extracting valve is arranged on the air extracting pipe, an air supplying opening of the pressure boosting air pump is connected to an air injecting opening on the side wall of the paint dipping tank through an air injecting pipe, and an air injecting valve and a pressure releasing valve are arranged on the air injecting pipe; the paint inlet at the bottom of the paint dipping tank is connected to the paint outlet at the bottom of the paint dipping tank through a paint injection pump, and the paint outlet at the bottom of the paint dipping tank is connected to the paint inlet at the bottom of the paint dipping tank through a paint return pump.
Preferably: the pressure reducing and boosting device also comprises a bypass air pipe connected with the air injection pipe in parallel, and a bypass air valve is arranged on the bypass air pipe.
Preferably: the decompression supercharging device further comprises a barometer component with two barometers, the exhaust pipe is connected with the exhaust barometer through a detection branch pipe, and the gas injection pipe and the bypass pipe are connected with the gas injection barometer through a detection branch pipe.
Preferably: the paint dipping device is characterized by further comprising a pit, wherein the decompression and pressurization device and the paint dipping tank are arranged in the pit, and the paint tank is arranged outside the pit; the paint tank is supported by a paint tank support, and the paint dipping tank is supported by a paint dipping support.
Preferably: an out-of-can pedal platform extending to the paint dipping tank is also mounted at the edge of the pit.
The utility model has the advantages and positive effects that:
Compared with the existing paint dipping equipment, the paint dipping equipment provided by the utility model has the dual functions of vacuumizing, depressurizing and pressurizing for the paint dipping tank by arranging the depressurizing and pressurizing device, and realizes a complete paint dipping process of vacuumizing and dipping-positive pressure and pressure maintaining after a workpiece is placed in the paint dipping tank by arranging the paint injection pump and the paint return pump between the paint dipping tank, and the paint injection pump injects paint into the paint dipping tank and the vacuum pump performs air pumping and depressurizing for the paint dipping tank in the vacuumizing and pressure maintaining stage, and the pressurizing air pump performs air injection and pressurizing for the paint dipping tank, so that the paint dipping equipment supports a more reasonable transformer vacuum paint dipping process to operate after the paint dipping process is finished, the paint dipping processing efficiency is improved, the paint dipping processing effect is improved, and the product quality is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is a schematic diagram of the pressure reducing and increasing device in fig. 1.
In the figure:
1. A paint can bracket; 2. a paint tank; 3. a decompression and pressurization device; 3-1, a booster air pump; 3-2, a vacuum pump; 3-3, gas injection pipe; 3-4, a barometer component; 3-5, an exhaust tube; 3-6, an air injection valve; 3-7, an extraction valve; 3-8, by-pass air valve; 3-9, by-pass air pipe; 3-10, a pressure release valve; 4. a pit; 5. a paint return pump; 6. a paint injection pump; 7. a paint dipping bracket; 8. a support table in the tank; 9. a pedal platform outside the tank; 10. paint dipping hanging basket; 11. a transformer assembly; 12. a lock; 13. a can lid; 14. and (5) a paint dipping tank.
Detailed Description
In order to further understand the summary, features and advantages of the present utility model, the following examples are set forth in detail.
Referring to fig. 1 and 2, the vacuum paint dipping apparatus for a transformer of the present utility model includes a paint tank 2, a pressure reducing and increasing device 3 and a paint dipping tank 14, wherein the paint tank 2 is used for storing paint used for dipping paint, the pressure reducing and increasing device 3 is used for applying the effects of vacuum pumping, pressure reducing and air injecting and pressure increasing to the paint dipping tank 14, the paint dipping tank 14 is used for providing an openable sealing environment, and the transformer assembly 11 is placed in the tank and performs a set paint dipping process.
As shown in the figure, a tank cover 13 locked by a plurality of locks 12 is hinged at the top of a paint dipping tank 14, a plurality of in-tank supporting tables 8 are mounted on the inner wall of the paint dipping tank 14, a removable paint dipping basket 10 is supported on the in-tank supporting tables 8, a transformer component 11 is placed in the paint dipping basket 10, after the tank cover 13 is opened, the paint dipping basket 10 is lifted and moved into the tank by a lifting tool on site and stably placed on the in-tank supporting tables 8, and after paint dipping processing is completed, the paint dipping basket 10 and the transformer component 11 are lifted and transferred by the lifting tool.
The lock 12 is used for providing a locking effect for the closed tank cover 13, and in order to ensure the integral tightness of the paint dipping tank 14, a sealing ring is arranged between the tank cover 13 and the top opening of the tank body.
The decompression supercharging device 3 comprises a supercharging air pump 3-1 and a vacuum pump 3-2, an air inlet of the vacuum pump 3-2 is connected to an air extraction opening on the side wall of the paint dipping tank 14 through an air extraction pipe 3-5, an air extraction valve 3-7 is arranged on the air extraction pipe 3-5, and the air extraction pipe 3-5 can be opened and cut off through operation of the air extraction valve 3-7. The air supply port of the pressurizing air pump 3-1 is connected to the air injection port on the side wall of the paint dipping tank 14 through an air injection pipe 3-3, and an air injection valve 3-6 and a pressure release valve 3-10 are arranged on the air injection pipe 3-3, so that the air injection pipe 3-3 can be opened and cut off by operating the air injection valve 3-6. The function of setting the pressure relief valve 3-10 is: by operating the pressure release valve 3-10, the high-pressure air in the interior of the paint dipping tank 14 in a pressure maintaining state can be discharged to restore the normal pressure.
In this embodiment, the pressure reducing and increasing device 3 further includes a bypass air pipe 3-9 connected in parallel with the air injection pipe 3-3, and a bypass air valve 3-8 is installed on the bypass air pipe 3-9. The bypass air pipe 3-9 is used as a standby branch, and when the air injection pipe 3-3 and the air injection valve 3-6 fail, the bypass air pipe 3-9 and the bypass air valve 3-8 can be started.
In this embodiment, the pressure reducing and increasing device 3 further includes a barometer component 3-4 with two barometers, the air extraction pipe 3-5 is connected with the air extraction barometer through a detection branch pipe, and the air injection pipe 3-3 and the bypass air pipe 3-9 are connected with the air injection barometer through a detection branch pipe. The barometer component 3-4 is provided to monitor the air pressure of the air extraction passage and the air injection passage (i.e., monitor the air pressure condition in the paint dipping tank 14) during the vacuum-extraction pressure-reduction stage and the air injection pressure-increasing pressure-maintaining stage.
The paint inlet at the bottom of paint dipping tank 14 is connected to the paint outlet at the bottom of paint tank 2 by paint injection pump 6, and the paint outlet at the bottom of paint dipping tank 14 is connected to the paint inlet at the bottom of paint tank 2 by paint return pump 5. The paint filling pump 6 conveys and fills the paint in the paint tank 2 into the paint dipping tank 14, and after the paint dipping process is finished, the paint returning pump 5 conveys the paint in the paint dipping tank 14 back into the paint tank 2 for storage.
In this embodiment, the paint dipping tank further comprises a pit 4, the decompression and pressurization device 3 and the paint dipping tank 14 are arranged in the pit 4, and the paint tank 2 is arranged outside the pit 4, so that the decompression and pressurization device 3 and the paint dipping tank 14 are lower in position, and the operation of putting in and taking out the transformer assembly 11 into the paint dipping tank 14, the operation of adjusting the decompression and pressurization device 3 and the operation of paint supplementing the paint tank 2 are facilitated. As shown in the figure, paint cans 2 are supported by paint can holders 1, and paint dipping cans 14 are supported by paint dipping holders 7.
Further, in order to facilitate the transfer and movement of the parts of the paint dipping device, the paint tank 2, the pressure reducing and pressurizing device 3 and the paint dipping tank 14 can be in a skid-mounted mode, the paint tank support 1 is mounted on a skid-mounted base, the pressure reducing and pressurizing device 3 is mounted on a skid-mounted base, and the paint return pump 5 and the paint injection pump 6 are located on the same skid-mounted base integrally with the paint dipping tank 14.
In this embodiment, an out-of-can pedal platform 9 extending to the middle of the paint dipping tank 14 is also installed at the edge of the pit 4, and the out-of-can pedal platform 9 is provided to provide a stepping platform for operators in the field to be sufficiently close to the paint dipping tank 14. Guard rails can be arranged on the side parts of the pedal platform 9 outside the tank to prevent operators on site from falling into the pit 4 during operation. Meanwhile, a step extending from the ground into the pit 4 is further arranged, so that operators on site can conveniently enter the pit 4.
The operation mode is as follows:
Placing a transformer assembly 11 to be subjected to paint dipping into a paint dipping hanging basket 10, opening a tank cover 13, transferring the paint dipping hanging basket 10 into a paint dipping tank 14 by adopting a crane and stably placing the paint dipping hanging basket on a supporting table 8 in the tank, then removing the connection between the crane and the paint dipping hanging basket 10, closing the tank cover 13 and locking by adopting a plurality of locks 12;
An operator on site starts the paint injection pump 6, paint in the paint tank 2 is transferred to the paint dipping tank 14, meanwhile, the operator starts the vacuum pump 3-2 to vacuumize and decompress the paint dipping tank 14, the process is a process stage of vacuumizing and dipping paint simultaneously, the operation of the paint injection pump 6 is stopped after a set time is operated, and at the moment, the transformer assembly 11 is completely immersed by the amount of paint injected into the paint dipping tank 14; after the process stage of vacuumizing and dipping paint is finished, an operator closes the air extraction valve 3-7 and starts the pressurizing air pump 3-1, pressurizing is carried out by injecting air into the paint dipping tank 14, the pressurizing air pump 3-1 stops rotating after the air pressure in the paint dipping tank 14 rises to a set value, and the pressure maintaining stage is carried out;
After maintaining the pressure for a certain time, an operator operates the pressure release valve 3-10 to discharge high-pressure air in the paint dipping tank 14, so that the pressure in the tank is consistent with the pressure outside the tank, and then the paint returning pump 5 is started to return paint in the paint dipping tank 14 to the paint tank 2; the tank cover 13 is then opened and the paint dipping basket 10 and transformer assembly 11 are removed from the tank using a crane.
Claims (5)
1. A vacuum paint dipping device for a transformer is characterized in that: the automatic paint dipping device comprises a paint tank (2), a decompression supercharging device (3) and a paint dipping tank (14), wherein a tank cover (13) locked by a plurality of locks (12) is hinged to the top of the paint dipping tank (14), a plurality of in-tank supporting tables (8) are arranged on the inner wall of the paint dipping tank (14), and a removable paint dipping hanging basket (10) is supported on the in-tank supporting tables (8); the decompression pressurization device (3) comprises a pressurization air pump (3-1) and a vacuum pump (3-2), an air inlet of the vacuum pump (3-2) is connected to an air extraction opening on the side wall of the paint dipping tank (14) through an air extraction pipe (3-5), an air extraction valve (3-7) is arranged on the air extraction pipe (3-5), an air supply opening of the pressurization air pump (3-1) is connected to an air injection opening on the side wall of the paint dipping tank (14) through an air injection pipe (3-3), and an air injection valve (3-6) and a pressure relief valve (3-10) are arranged on the air injection pipe (3-3); the paint inlet at the bottom of the paint dipping tank (14) is connected to the paint outlet at the bottom of the paint tank (2) through a paint injection pump (6), and the paint outlet at the bottom of the paint dipping tank (14) is connected to the paint inlet at the bottom of the paint tank (2) through a paint return pump (5).
2. The transformer vacuum paint dipping apparatus as claimed in claim 1, wherein: the decompression supercharging device (3) further comprises a bypass air pipe (3-9) connected with the air injection pipe (3-3) in parallel, and a bypass air valve (3-8) is arranged on the bypass air pipe (3-9).
3. The transformer vacuum paint dipping apparatus as claimed in claim 2, wherein: the decompression supercharging device (3) further comprises a barometer component (3-4) with two barometers, the exhaust pipe (3-5) is connected with the exhaust barometer through a detection branch pipe, and the gas injection pipe (3-3) and the bypass gas pipe (3-9) are connected with the gas injection barometer through the detection branch pipe.
4. A transformer vacuum paint dipping apparatus as claimed in claim 3 wherein: the paint dipping device is characterized by further comprising a pit (4), wherein the decompression pressurization device (3) and the paint dipping tank (14) are arranged in the pit (4), and the paint tank (2) is arranged outside the pit (4); the paint tank (2) is supported by a paint tank support (1), and the paint dipping tank (14) is supported by a paint dipping support (7).
5. The transformer vacuum paint dipping apparatus as claimed in claim 4, wherein: an out-of-can pedal platform (9) extending to the paint dipping tank (14) is also arranged at the edge of the pit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648251.8U CN221327526U (en) | 2023-09-28 | 2023-09-28 | Vacuum paint dipping equipment for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648251.8U CN221327526U (en) | 2023-09-28 | 2023-09-28 | Vacuum paint dipping equipment for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221327526U true CN221327526U (en) | 2024-07-12 |
Family
ID=91791154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322648251.8U Active CN221327526U (en) | 2023-09-28 | 2023-09-28 | Vacuum paint dipping equipment for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221327526U (en) |
-
2023
- 2023-09-28 CN CN202322648251.8U patent/CN221327526U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |