CN220856337U - Stirring heating pumping fidelity vacuum device for liquid epoxy of transformer coil - Google Patents
Stirring heating pumping fidelity vacuum device for liquid epoxy of transformer coil Download PDFInfo
- Publication number
- CN220856337U CN220856337U CN202322596776.1U CN202322596776U CN220856337U CN 220856337 U CN220856337 U CN 220856337U CN 202322596776 U CN202322596776 U CN 202322596776U CN 220856337 U CN220856337 U CN 220856337U
- Authority
- CN
- China
- Prior art keywords
- epoxy
- stirring
- vacuum
- tank
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004593 Epoxy Substances 0.000 title claims abstract description 93
- 238000003756 stirring Methods 0.000 title claims abstract description 65
- 239000007788 liquid Substances 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 238000005086 pumping Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 abstract description 7
- 238000005538 encapsulation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model relates to a stirring heating pumping vacuum device for liquid epoxy of a transformer coil, which comprises a supporting frame, wherein an epoxy tank is arranged on the supporting frame, a motor is arranged at the top end of the epoxy tank, a rotating shaft is arranged at the output end of the motor, a plurality of first stirring paddles and a plurality of second stirring paddles are fixedly connected to the rotating shaft, the first stirring paddles are arranged in an array from top to bottom along the rotating shaft, the second stirring paddles are arranged at the bottom end of the rotating shaft, a feeding pipe is arranged above the epoxy tank, a first ball valve is arranged on the feeding pipe, a discharging pipe is arranged below the epoxy tank, a transmission pump is arranged on the discharging pipe, a third ball valve is arranged between the transmission pump and the epoxy tank, a vacuum pipe is arranged on the side wall of the epoxy pipe and connected with the vacuum pump, a second ball valve is arranged between the vacuum pipe and the vacuum pump, and a resistor is embedded in the pipe wall of the epoxy tank. The stirring heating pumping vacuum device for liquid epoxy provided by the utility model is applicable to various epoxy types, short in vacuum pumping time, stable in vacuum, and suitable for epoxy encapsulation work of various products.
Description
Technical Field
The invention relates to the technical field of transformer manufacturing, in particular to a stirring heating pumping fidelity vacuum device for liquid epoxy of a transformer coil.
Background
At present, the requirements of the heavy machinery industry, the machine tool, the travel cable car, the amusement park and the mining equipment industry on the motor change from hydraulic to electric, and meanwhile, each application field also provides stricter requirements on the stability (such as power frequency withstand voltage and PDIV) of an electric motor insulation system, so that higher-level requirements are provided for a stator encapsulating process. Therefore, facing different customers, the same and same harsh VOCs are different, and how to ensure that epoxy resin is effectively immersed into gaps between stator coils becomes a key process method and a process control means for ensuring pressure resistance, improving heat conduction capability and increasing stator damping.
The epoxy resin materials adopted by the transformer are bi-component materials, and are stored at normal temperature at ordinary temperature, and the transformer is required to be uniformly stirred according to a specific proportion when in use, and is also required to be heated to a specific temperature, so that the transformer has the best fluidity and is convenient to fill and seal. And vacuum is pumped while heating and stirring, so that the epoxy resin material is defoamed, and the quality of the material is ensured. Due to the curing characteristics of the epoxy material itself, the epoxy material needs to be quickly extracted after heating, otherwise the system is damaged after curing of a large amount of epoxy.
Therefore, a device capable of integrating stirring, heating and vacuum-pumping during the epoxy filling process of the coil is needed.
Disclosure of Invention
The invention aims to:
in view of the defects and shortcomings of the prior art, the utility model provides a stirring, heating and vacuumizing device for liquid epoxy of a transformer coil, which integrates stirring, heating and vacuumizing.
The technical scheme is as follows:
in order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
the utility model provides a vacuum device is taken out in stirring heating of liquid epoxy of transformer coil, which comprises a supporting rack, be provided with the epoxy jar on the support frame, the top of epoxy jar is provided with the motor, the motor output is connected with the pivot, a plurality of first stirring paddles of fixedly connected with and a plurality of second stirring paddles in the pivot, a plurality of first stirring paddles arrange from top to bottom along the pivot, a plurality of second stirring paddles set up the bottom at the pivot, epoxy jar top is provided with the inlet pipe, set up first ball valve on the inlet pipe, epoxy jar below sets up the discharging pipe, set up the transmission pump on the discharging pipe, set up the third ball valve between transmission pump and the epoxy jar, the lateral wall of epoxy pipe is provided with the vacuum tube, the vacuum tube is connected to the vacuum pump, be provided with the second ball valve between vacuum tube and the vacuum pump, the pipe wall embedding of epoxy jar has the resistance.
Further, the side wall of the epoxy tank is provided with an observation window.
Further, the second stirring blade is of an L-shaped structure.
Further, the L-shaped second stirring blade is arranged at the bottom end of the rotating shaft in an inclined manner relative to the rotating shaft.
Further, the included angle theta between the feeding pipe and the horizontal direction is 5-30 degrees.
The beneficial effects are that:
The beneficial effects of the utility model are as follows: according to the stirring heating pumping fidelity vacuum device for the liquid epoxy of the transformer coil, the rotating shaft is arranged in the epoxy tank, the stirring first stirring blade and the stirring second stirring blade are arranged on the rotating shaft, so that stirring of the liquid epoxy can be realized, the resistor is embedded in the wall of the epoxy tank and is used for heating the liquid epoxy, the vacuum pump is arranged on the epoxy tank and is used for vacuumizing the epoxy tank, and meanwhile, the first ball valve, the second ball valve and the third ball valve are respectively arranged on the feeding pipe, the discharging pipe and the vacuum pipe, and vacuum keeping is realized after vacuumizing is finished. The stirring heating pumping fidelity vacuum device for the liquid epoxy of the transformer coil provided by the utility model is applicable to various epoxy types, short in vacuum pumping time, stable in fidelity and wide in application in epoxy encapsulation preparation work.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a stirring heating pumping vacuum device for liquid epoxy of a transformer coil;
Fig. 2 is a cross-sectional view of an epoxy can.
[ Reference numerals description ]
1. A feed hopper; 2. a first ball valve; 21. a feed pipe; 3. a motor; 31. a rotating shaft; 32. a first stirring blade; 33. a second stirring blade; 4. an epoxy pot; 41. an observation window; 42. a resistor; 5. a second ball valve; 51. a vacuum tube; 6. a vacuum pump; 7. a transfer pump; 71. a discharge pipe; 8. a third ball valve; 9. and (5) supporting frames.
Detailed Description
The invention will be better explained by the following detailed description of the embodiments with reference to the drawings.
In order that the above-described aspects may be better understood, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Examples:
Referring to fig. 1, the stirring, heating and vacuum pumping device for liquid epoxy of a transformer coil comprises a supporting frame 9, an epoxy tank 4 is arranged on the supporting frame 9, a motor 3 is arranged at the top end of the epoxy tank 4, the output end of the motor 3 stretches into the epoxy tank 4 and is connected with a rotating shaft 31, a plurality of first stirring paddles 32 and a plurality of second stirring paddles 33 are fixedly connected to the rotating shaft 31, the plurality of first stirring paddles 32 are arranged in an array from top to bottom along the rotating shaft 31, the plurality of second stirring paddles 33 are arranged at the bottom end of the rotating shaft 31, a feeding pipe 21 is arranged above the epoxy tank 4, a first ball valve 2 is arranged on the feeding pipe 21, a discharging pipe 71 is arranged below the epoxy tank 4, a transmission pump 7 is arranged on the discharging pipe 71, a third ball valve 8 is arranged between the transmission pump 7 and the epoxy tank 4, a vacuum pipe 51 is arranged on the side wall of the epoxy tank 4, the vacuum pipe 51 is connected with a vacuum pump 6, a second ball valve 5 is arranged between the vacuum pipe 51 and the vacuum pump 6, and a resistor 42 is embedded in the pipe wall of the epoxy tank 4.
The supporting frame 9 mainly supports the epoxy tank 4, and the structure of the supporting frame can be in any form, and only the stability of the epoxy tank 4 is ensured. The epoxy tank 4 adopts the mode of jar body and cover combination, through threaded connection between cover and the jar body to set up multiple sealing ring and guarantee its holistic leakproofness of epoxy tank 4, epoxy tank 4 top sets up motor 3, and motor 3 drives the pivot 31 that is located epoxy tank 4 and rotates, sets up first stirring paddle 31 and second stirring paddle 32 in the pivot 31 and stirs the liquid epoxy in the epoxy tank 4, and second stirring paddle 33 is "L" shape structure. The second stirring paddle 33 of "L" shape is installed in pivot 31 bottom slope in pivot 31, and the liquid epoxy that stirring that can be better is located the bottom simultaneously "L" shape structure has certain promotion effect to the liquid epoxy of bottom at the rotation in-process for mixing efficiency for the liquid epoxy stirring of bottom is more abundant. The stirring mechanism can perform stirring at 150rpm when the liquid in the tank has a viscosity of 5000-6000 mPas and the mass of liquid epoxy is 100 Kg. A resistor 42 is provided on the inner wall of the epoxy tank 4, and when the resistor 42 is energized, heat is generated to heat the liquid epoxy stored in the tank. The inlet pipe 21 above the epoxy pot 4 is obliquely arranged, so that the epoxy injection is convenient. In this embodiment, the angle θ between the feed pipe 21 and the horizontal direction is between 5 ° and 30 °. An observation window 41 is provided on the side wall of the epoxy pot 4 to facilitate observation of the epoxy state. After heating and stirring the liquid epoxy, the epoxy resin material needs to be defoamed, the vacuum pump 6 mainly vacuumizes and defoames the liquid epoxy, and the vacuum pump 6 can be arranged in a plurality of ways, in the embodiment, 30L/H vacuum pumps are arranged, and the epoxy tank 4 can be vacuumized to an absolute vacuum of 1000Pa within 1 minute. When the liquid epoxy is injected, the third ball valve 8 is in a closed state, the first ball valve 2 is closed after the epoxy is injected, the second ball valve 5 is closed after the vacuumizing is completed, and the vacuum operation is performed.
When the stirring heating vacuum pumping device for the liquid epoxy of the transformer coil is used, after a certain amount of epoxy resin is manually poured from a feed hopper 1, the first ball valve 2 is closed, heating is started, vacuumizing and stirring are performed, at the moment, the liquid epoxy with a single component is fully stirred in a tank body, vacuumizing is performed, the liquid epoxy is defoamed, and individual small dirty granular substances are all pumped out by a vacuum pump. After this operation had proceeded for 2 hours, the state of the liquid epoxy resin was observed through the observation window 4, and it was found that the epoxy resin was excellent in fluidity and smooth, and no bubbles were observed during stirring, at which time it was considered that the one-component epoxy preparation had been completed.
After the single-component stirring is completed, the third ball valve 8 is opened, the vacuum is released, then a certain proportion of curing agent is added (because the requirements of each epoxy are different and the proportion is also different, the types and the proportion of the curing agent are determined according to specific conditions), then the first ball valve 2 is closed, the stirring is rapidly started, the vacuum pumping is carried out, the stirring speed is regulated to be the highest through a frequency converter, the stirring is carried out for 5 minutes, and the stirring is carried out through a transmission pump. The stirring time is also required to be determined according to the characteristics of each epoxy, and the scheme is not described in detail. The data and the parameter selection of the device provided in this embodiment are only one of the schemes provided in the present utility model, and are not limited and only used for reference.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the invention.
Claims (5)
1. The utility model provides a stirring heating pumping fidelity device of liquid epoxy of transformer coil, its characterized in that, the device includes support frame (9), be provided with epoxy jar (4) on support frame (9), the top of epoxy jar (4) is provided with motor (3), motor (3) output stretches into in epoxy jar (4) and be connected with pivot (31), fixedly connected with a plurality of first stirring paddles (32) and a plurality of second stirring paddles (33) on pivot (31), a plurality of first stirring paddles (32) follow pivot (31) are arranged from top to bottom array, a plurality of second stirring paddles (33) set up the bottom of pivot (31); a feed pipe (21) is arranged above the epoxy tank (4), a first ball valve (2) is arranged on the feed pipe (21), a discharge pipe (71) is arranged below the epoxy tank (4), a transmission pump (7) is arranged on the discharge pipe (71), and a third ball valve (8) is arranged between the transmission pump (7) and the epoxy tank (4); a vacuum tube (51) is arranged on the side wall of the epoxy tank (4), the vacuum tube (51) is connected with a vacuum pump (6), and a second ball valve (5) is arranged between the vacuum tube (51) and the vacuum pump (6); the pipe wall of the epoxy tank (4) is embedded with a resistor (42).
2. A stirring heating pumping and maintaining vacuum device for liquid epoxy of a transformer coil according to claim 1, characterized in that the side wall of the epoxy tank (4) is provided with an observation window (41).
3. A stirring, heating and pumping device for liquid epoxy of a transformer coil according to claim 1, wherein the second stirring blade (33) has an L-shaped structure.
4. A stirring, heating and pumping vacuum device for liquid epoxy of a transformer coil according to claim 3, characterized in that the second stirring blade (33) in the shape of an L is arranged at the bottom end of the rotating shaft (31) obliquely to the rotating shaft (31).
5. A stirring, heating and pumping vacuum device for liquid epoxy of a transformer coil according to claim 1, characterized in that the included angle θ between the feeding pipe (21) and the horizontal direction is 5 ° to 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322596776.1U CN220856337U (en) | 2023-09-25 | 2023-09-25 | Stirring heating pumping fidelity vacuum device for liquid epoxy of transformer coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322596776.1U CN220856337U (en) | 2023-09-25 | 2023-09-25 | Stirring heating pumping fidelity vacuum device for liquid epoxy of transformer coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856337U true CN220856337U (en) | 2024-04-26 |
Family
ID=90740023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322596776.1U Active CN220856337U (en) | 2023-09-25 | 2023-09-25 | Stirring heating pumping fidelity vacuum device for liquid epoxy of transformer coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220856337U (en) |
-
2023
- 2023-09-25 CN CN202322596776.1U patent/CN220856337U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101973405B (en) | Volume measurement filling machine | |
| CN201800930U (en) | Volume metering filler | |
| CN202155291U (en) | Automatic filling and sealing machine for photovoltaic module junction boxes | |
| CN220856337U (en) | Stirring heating pumping fidelity vacuum device for liquid epoxy of transformer coil | |
| CN206887002U (en) | A kind of production line of automobile sealed adhesive | |
| CN113955703B (en) | Real mineral varnish fills sealing equipment | |
| CN110681537A (en) | Vacuum packaging device for power module | |
| CN207536539U (en) | A kind of novel storage equipment with rabbling mechanism | |
| CN209141153U (en) | Mixing device is used in a kind of production of plastic pipe | |
| CN115319918A (en) | Structural gap grouting equipment for constructional engineering and grouting process thereof | |
| CN206204793U (en) | A kind of railway aids in the automatic mud jacking all-in-one of vacuum | |
| CN212523877U (en) | Solid collagen material stirring device | |
| CN210303428U (en) | Vacuum emulsification batching system | |
| CN211613271U (en) | Glue pouring machine | |
| CN214871829U (en) | Production system of mixing paddle and insulating product | |
| CN203901501U (en) | Gypsum grouting equipment used for forming of gypsum model | |
| CN219077685U (en) | Partial shipment device of epoxy | |
| CN212068512U (en) | A agitated vessel for glue production | |
| CN214346020U (en) | Waterproof coating preparation equipment | |
| CN217527234U (en) | A mixing stirring device for production of bio-based curing agent | |
| CN219442314U (en) | Automatic feeding device of epoxy pouring sealant | |
| CN217746797U (en) | High-efficient resin melting mixing agitating unit | |
| CN220661327U (en) | Concrete mixer for engineering quality detection | |
| CN210559286U (en) | Quick royal jelly filling device | |
| CN111776338A (en) | Packaging mechanism for sealant production and using method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |