CN218351284U - Paint dipping device for small transformer - Google Patents

Abstract

The utility model relates to a transformer dip coating technical field specifically is miniature transformer dip coating device, including the dip coating bucket, be equipped with insulating paint in the dip coating bucket, the dip coating bucket internal rotation is connected with strains a section of thick bamboo, a plurality of filtration pores have been seted up on the surface of straining a section of thick bamboo, the bottom of straining a section of thick bamboo is immersed in insulating paint, the bung hole department of dip coating bucket articulates there is the bung, and the inner wall of dip coating bucket has seted up the mounting groove along its circumferencial direction, the baffler has been placed in the mounting groove, install the stoving subassembly in the bung, the lateral wall of dip coating bucket is fixed with the motor, strain a section of thick bamboo internal fixation and have the drying tube, drying tube and stoving subassembly intercommunication, through the dip coating bucket, the cooperation of bung and motor is used, make when the dip coating operation to miniature transformer, can reduce operating personnel's intensity of labour, guarantee operating personnel's healthy simultaneously, and can effectual reduction miniature transformer's dip coating cost.

Description

Paint dipping device for small transformer

Technical Field

The utility model relates to a transformer dip coating technical field specifically is miniature transformer dip coating device.

Background

The small transformer is mainly a single-phase transformer below 20kV & A and three-phase transformer below 50kV & A, and is characterized by small volume, low cost and less wire consumption, when the small transformer is maintained, the maintained transformer needs to be subjected to paint dipping treatment to improve the insulation strength of the transformer and prolong the service life of the transformer, the paint dipping treatment of the transformer at present comprises three steps of pre-drying, paint dipping and drying, wherein the pre-drying is to drive moisture in the transformer and meet the temperature required by the paint dipping treatment.

Most of factories perform paint dipping operation on transformers, small transformers after maintenance are firstly pre-baked, then the pre-baked transformers are placed into a paint dipping tank, the small transformers are made to sink into insulating paint in the paint dipping tank for paint dipping operation, finally the transformers are taken out of the paint dipping tank and placed into a drying box for drying operation, the transformers need to be taken out in the process, however, the temperature of the transformers taken out of the paint dipping tank is high, the insulating paint is easy to volatilize, workers can suck the insulating paint, the physical and mental health is affected, in the operation process, the transformers need to be taken out, the labor intensity is high, meanwhile, in order to enable the insulating paint to submerge the transformers better, more insulating paint is generally contained in the paint dipping tank, metal impurities exist in the small transformers after maintenance, when the transformers are soaked in the insulating paint, the impurities can fall into the insulating paint, the insulating paint is prone to be polluted, the quality of the insulating paint is reduced for a long time, the insulating paint needs to be replaced, waste is generated, and the paint dipping cost of the transformers is increased finally.

Therefore, it is highly desirable to design a small transformer dip coating apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature transformer dip coating device to propose the current dip coating operation to miniature transformer among the solution above-mentioned background art and harm operating personnel's physical and mental health easily, and intensity of labour is great, the higher problem of dip coating cost to miniature transformer simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme: small-size transformer dip coating device, including the dip coating bucket, be equipped with insulating paint in the dip coating bucket, dip coating bucket internal rotation is connected with and strains a section of thick bamboo, a plurality of filtration pores have been seted up on the surface of straining a section of thick bamboo, the bottom of straining a section of thick bamboo is soaked in insulating paint, the bung hole department of dip coating bucket articulates there is the bung, just the mounting groove has been seted up along its circumferencial direction to the inner wall of dip coating bucket, has placed in the mounting groove and has been used for blockking the baffler that insulating paint flows, install drying assembly in the bung, the lateral wall of dip coating bucket is fixed with and is used for the drive to strain a section of thick bamboo pivoted motor, it is used for drying transformer's stoving pipe to strain a section of thick bamboo internal fixation, stoving pipe and stoving assembly intercommunication.

Preferably, the top of dip coating bucket is fixed with the transfer line that is used for inputing insulating paint, the bottom of dip coating bucket is fixed with the fluid-discharge tube that is used for exporting insulating paint, transfer line and fluid-discharge tube all are linked together with the dip coating bucket, just the valve is all installed on the surface of transfer line and fluid-discharge tube.

Preferably, a base for supporting the paint dipping barrel is fixed at the bottom of the paint dipping barrel.

Preferably, the drying assembly comprises a motor, the motor is fixed on the inner wall of the barrel cover, a fan is fixed at the output end of the motor, a heating wire is fixed in the barrel cover, an air outlet is formed in one side of the barrel cover, facing the paint dipping barrel, and is opposite to the surface of the fan, and the heating wire is arranged between the air outlet and the fan.

Preferably, an air outlet is formed in one side, far away from the paint dipping barrel, of the barrel cover, an air exhaust pipeline is connected to the air outlet, and the air outlet is arranged opposite to the surface of the fan.

Preferably, a plurality of ventilation holes have been seted up on the surface of stoving pipe, just the one end of stoving pipe orientation dip coating bucket mouthful department is fixed with the air-supply line, the air-supply line is the loudspeaker form, and communicates with the stoving pipe, the mouth of pipe and the air outlet of air-supply line are just to setting up.

Preferably, an annular groove is formed in the side wall of the paint dipping barrel opening, a sealing ring is fixed on the surface of one side, facing the paint dipping barrel, of the barrel cover, and the sealing ring is embedded in the annular groove.

Preferably, a window is formed in the surface of the paint dipping barrel, and glass is fixed at the window.

Preferably, a support ring is fixed on the inner wall of the paint dipping barrel, and the periphery of the filter cylinder is in contact with the inner wall of the support ring.

Preferably, the lateral wall of dip coating bucket is fixed with the headstock, the motor is established in the headstock, the output of motor is fixed with the connector, the connector is kept away from one side surface of motor output and has been seted up the interior hexagonal draw-in groove, it is fixed with the pivot to strain a section of thick bamboo and keep away from one side of dip coating bucket bung department, the pivot runs through the lateral wall of dip coating bucket and stretches into in the headstock, the tip cross-section of pivot is the hexagon, just the tip card of pivot is established in the interior hexagonal draw-in groove.

Compared with the prior art, the beneficial effects of the utility model are that: through the dip coating bucket, the cooperation of bung and headstock is used, make small-size transformer need not to take out from the dip coating bucket, just once realize the prebaking to small-size transformer, the purpose of dip coating and stoving, thereby effectual intensity of labour who reduces operating personnel, and the transformer is when the dip coating operation finishes taking out, can not harm operating personnel's physical and mental health because of volatilizing of transformer surface insulating varnish, simultaneously because the roll effect of straining a section of thick bamboo, make the transformer just can realize the purpose of dip coating in less insulating varnish, the use amount of insulating varnish has been reduced, thereby the effectual dip coating cost who reduces small-size transformer.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic front sectional view of the closed barrel cover of the present invention;

FIG. 3 is a schematic view of the overall structure of the filter cartridge of FIG. 1 according to the present invention;

fig. 4 is a schematic view of another perspective of the filter cartridge of fig. 3 according to the present invention.

In the figure: 1. a paint dipping barrel; 11. an annular groove; 12. a barrier plate; 13. a support ring; 14. glass; 2. a barrel cover; 21. a seal ring; 22. an air outlet; 23. a motor; 24. a fan; 25. an electric heating wire; 26. an air outlet; 3. a power box; 31. a motor; 32. a connector; 4. a transfusion tube; 5. a liquid discharge pipe; 6. a base; 7. a filter cartridge; 71. a drying duct; 72. an air inlet pipe; 73. a rotating shaft.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

small-size transformer dip coating device, including dip coating bucket 1, the insulating paint has been held in dip coating bucket 1, and the inner wall of dip coating bucket 1 has seted up the mounting groove along its circumferencial direction, placed the baffler 12 that is used for blockking the insulating paint outflow in the mounting groove, the window has been seted up on the surface of dip coating bucket 1, window department is fixed with the glass 14 that is used for observing the insulating paint liquid level, it is worth mentioning, as shown in fig. 1, the liquid level height of insulating paint is not more than the vertical height of baffler 12, and baffler 12 can follow the mounting groove and take out, dip coating bucket 1 internal rotation is connected with and strains a section of thick bamboo 7, strain a plurality of filtration pores on the surface of section of thick bamboo 7, strain in the bottom of section of thick bamboo 7 and dip in the insulating paint, small-size transformer places in straining a section of thick bamboo 7, make small-size transformer roll in straining a section of thick bamboo 7, thereby let the insulating paint dip coating on small-size transformer surface, form the lacquer face, in order to improve the insulating strength of small-size transformer, it needs to explain, use a large amount of insulating paint in using a large amount of insulating paint in the prior art and need not just cause the effectual new waste of the insulating paint that the insulating paint is just like this novel technique of dipping in the insulating paint replacement can reduce the insulating paint cost of the insulating paint that needs to be reduced again, can be like this novel practical new and can be seen again, just can be.

As shown in fig. 1, because miniature transformer needs the prebaking before the dip coating, make miniature transformer's bulk temperature higher, in order to avoid insulating varnish to meet the transformer of higher temperature and produce and volatilize, and then damage operating personnel's physical and mental health, so it has bung 2 to articulate in the bung hole department of dip coating bucket 1, annular groove 11 has been seted up to the lateral wall of 1 bung hole department of dip coating bucket, bung 2 is towards one side fixed surface of dip coating bucket 1 has sealing washer 21, sealing washer 21 inlays and establishes in annular groove 11, through closing bung 2 and dip coating bucket 1 each other, sealing washer 21 can effectually seal 1 inner space of dip coating bucket at this moment, avoid miniature transformer in whole dip coating operation process, insulating varnish volatilizees to the external physical and mental health who influences operating personnel.

The bottom of the paint dipping barrel 1 is fixedly provided with a base 6 for supporting the paint dipping barrel 1, the top of the paint dipping barrel 1 is fixedly provided with a liquid conveying pipe 4 for inputting insulating paint, the bottom of the paint dipping barrel 1 is fixedly provided with a liquid discharging pipe 5 for outputting the insulating paint, the liquid conveying pipe 4 and the liquid discharging pipe 5 are communicated with the paint dipping barrel 1, the surfaces of the liquid conveying pipe 4 and the liquid discharging pipe 5 are respectively provided with a valve, the insulating paint is poured into the paint dipping barrel 1 from the liquid conveying pipe 4 by opening the valve at the position of the liquid conveying pipe 4 so as to supplement the insulating paint in the paint dipping barrel 1, and the contaminated insulating paint in the paint dipping barrel 1 is poured out by opening the valve at the position of the liquid discharging pipe 5 so as to replace the insulating paint in the paint dipping barrel 1, wherein the valve is not shown in the figure.

It should be noted that, after the miniature transformer finishes the dip coating operation in the dip coating bucket 1, through opening the valve of fluid-discharge tube 5 department, collect the insulating varnish that flows out, some metallic impurity in the miniature transformer can drop at the inner bottom of straining a section of thick bamboo 7 this moment for the insulating varnish that flows out can be utilized again, will strain a section of thick bamboo 7 simultaneously and take out, fall metallic impurity, so that carry out the dip coating to next batch miniature transformer and handle, finally make the use cost of insulating varnish reduced by a wide margin.

As shown in fig. 2, a drying component is installed in the barrel cover 2, the drying component includes a motor 23, the motor 23 is fixed on the inner wall of the barrel cover 2, a fan 24 is fixed at the output end of the motor 23, a heating wire 25 is fixed in the barrel cover 2, the heating wire 25 is electrically connected with an external power supply through a wire, an air outlet 26 is formed in one side of the barrel cover 2 facing the paint dipping barrel 1, the air outlet 26 is arranged opposite to the surface of the fan 24, the heating wire 25 is arranged between the air outlet 26 and the fan 24, an air outlet 22 is formed in one side of the barrel cover 2 far away from the paint dipping barrel 1, an air exhaust pipe is connected to the air outlet 22, the air outlet 22 is arranged opposite to the surface of the fan 24, when the barrel cover 2 is closed with the paint dipping barrel 1, the external power supply and the motor 23 are started, the fan 24 rotates clockwise to generate an air flow blowing into the paint dipping barrel 1, and the air flow forms hot air through the heating wire 25 after heating, so as to pre-dry or dry the small transformer in the filter cartridge 7.

It should be noted that, after the dip coating operation of the small-sized transformer is completed, when the small-sized transformer needs to be taken out, the motor 23 is firstly started, and the motor 23 is made to rotate reversely, so that the fan 24 rotates anticlockwise, air in the dip coating barrel 1 is sucked into the exhaust pipeline, after waiting for a period of time, the barrel cover 2 is opened, and therefore the situation that an operator inhales air containing insulating paint can be effectively avoided, and the health of the operator can be guaranteed.

A drying pipe 71 for drying the transformer is fixed in the filter cartridge 7, the drying pipe 71 is communicated with the drying assembly, a plurality of vent holes are formed in the surface of the drying pipe 71, an air inlet pipe 72 is fixed at one end of the drying pipe 71, which faces the mouth of the dip coating barrel 1, the air inlet pipe 72 is horn-shaped, the air inlet pipe 72 is communicated with the drying pipe 71, the opening of the air inlet pipe 72 is arranged opposite to the air outlet 26, so that hot air blown out by the fan 24 can fully pass through the air inlet pipe 72 and is blown into the drying pipe 71, and is blown out from the vent holes in the surface of the drying pipe 71, so that the small transformer at the inner bottom of the filter cartridge 7 is pre-dried or dried, and when hot air with a certain flow rate passes through the opening of the air inlet pipe 72, the aperture of the air inlet pipe 72 begins to be reduced, so that the flow rate of the hot air is increased, and the pre-drying or drying time of the small transformer is shortened.

It is worth mentioning that, according to the above operation, the small transformer does not need to be taken out from the paint dipping barrel 1 when being pre-dried or dried, and the labor intensity of the operator is effectively reduced.

As shown in fig. 2, in order to perform an all-directional paint dipping treatment on the small-sized transformer by a small amount of insulating paint, a motor 31 for driving a filter cartridge 7 to rotate is fixed on a side wall of a paint dipping barrel 1, a power box 3 is fixed on a side wall of the paint dipping barrel 1, the motor 31 is arranged in the power box 3, a connector 32 is fixed on an output end of the motor 31, an inner hexagonal slot is formed in a surface of one side of the connector 32, which is away from an output end of the motor 31, and a rotating shaft 73 is fixed on a side of the filter cartridge 7, which is away from a barrel opening of the paint dipping barrel 1, as shown in fig. 4, the rotating shaft 73 penetrates through the side wall of the paint dipping barrel 1 and extends into the power box 3, a cross section of an end portion of the rotating shaft 73 is hexagonal, an end portion of the rotating shaft 73 is clamped in the inner hexagonal slot, the output end portion of the motor 31 rotates by starting the motor 31, and under the clamping action of the connector 32 and the rotating shaft 73, the rotating shaft 73 drives the filter cartridge 7 to rotate, so that the small-sized transformer in the filter cartridge 7 is turned over, and all surfaces of the filter cartridge 7 can be conveniently taken out of the metal filter cartridge 1, and the filter cartridge 7 can be taken out of the metal can be conveniently taken out of the filter cartridge 7, and the filter cartridge 7, thereby the metal can be taken out of the filter cartridge 1.

As shown in fig. 2, in order to improve stability of the filter cartridge 7 when it rotates, a support ring 13 is fixed to the inner wall of the dip tank 1, and the outer periphery of the filter cartridge 7 is in contact with the inner wall of the support ring 13.

The working principle is as follows: firstly, the barrel cover 2 is opened, the miniature transformer is placed into the filter barrel 7, then the barrel cover 2 is closed, the motor 23 and an external power supply are started, the electric heating wire 25 is heated at the moment, the air flow blown out by the fan 24 begins to rise in temperature under the heating action of the electric heating wire 25, the hot air flow is blown to the air inlet pipe 72 through the air outlet 26 and is blown out from the ventilation hole on the surface of the drying pipe 71, meanwhile, the motor 31 is started, the output end of the motor 31 drives the rotating shaft 73 to rotate, the filter barrel 7 rotates, the miniature transformer rolls in the filter barrel 7, and after the process lasts for a period of time, the pre-drying treatment of the miniature transformer can be realized.

Next, an external power supply, a motor 23 and a motor 31 are turned off, a valve at the position of a liquid conveying pipe 4 is opened, insulating paint is injected into the paint dipping barrel 1 through the liquid conveying pipe 4, the liquid level of the insulating paint is observed through glass 14 until the liquid level of the insulating paint is close to the top of the barrier plate 12, it needs to be explained that the small-sized transformer is not completely immersed into the insulating paint due to the influence of the volume of the small-sized transformer, then the motor 31 is started, the filter cartridge 7 is rotated, the small-sized transformer is driven to roll in the filter cartridge 7, all the surfaces of the small-sized transformer can be contacted with the insulating paint, and after the process lasts for a period of time, the paint dipping treatment of the small-sized transformer can be realized.

Then, the valve at the position of the liquid discharge pipe 5 is opened, the flowing insulating paint is collected until no insulating paint flows out at the position of the liquid discharge pipe 5, then, the valve is closed, and meanwhile, the motor 23 and the external power supply are started, and it should be noted that at the moment, the current intensity of the external power supply is increased to improve the heating effect of the electric heating wire 25 on the air, so that the temperature of hot air flow blown out by the fan 24 is greatly increased, the hot air flow is blown out from the ventilation holes on the surface of the drying pipe 71, and under the rotating effect of the filter cartridge 7, drying treatment is carried out on all the surfaces of the small-sized transformer in rolling.

And finally, the external power supply and the motor 31 are closed, the motor 23 is restarted, the motor 23 is enabled to rotate reversely, air in the paint dipping barrel 1 can be sucked into the exhaust pipeline, after a period of time, the barrel cover 2 is opened, the small transformer in the filter barrel 7 is taken out, and the purpose of dipping paint on the small transformer is finally achieved.

Claims (10)

1. Small-size transformer dip coating device, including dip coating bucket (1), be equipped with insulating paint in dip coating bucket (1), its characterized in that: the utility model discloses a stoving transformer, including dipping paint bucket (1), the lateral wall of dipping paint bucket (1) is fixed with and is used for driving a motor (31) that strains a section of thick bamboo (7), the rotation is connected with strains a section of thick bamboo (7) in dipping paint bucket (1), a plurality of filtration pores have been seted up on the surface of straining a section of thick bamboo (7), the bottom of straining a section of thick bamboo (7) is soaked in the insulating paint, the bung hole department of dipping paint bucket (1) articulates there is bung (2), just the mounting groove has been seted up along its circumferencial direction to the inner wall of dipping paint bucket (1), has placed in the mounting groove and has been used for blockking insulating paint barrier plate (12) that the insulating paint flows out, install the stoving subassembly in bung (2), the lateral wall of dipping paint bucket (1) is fixed with and is used for driving a section of thick bamboo (7) pivoted motor (31), strain a section of thick bamboo (7) internal fixation and be used for drying transformer's stoving pipe (71), stoving pipe (71) and stoving subassembly intercommunication.

2. The miniature transformer paint dipping device according to claim 1, wherein: the top of dip coating bucket (1) is fixed with transfer line (4) that are used for inputing the insulated paint, the bottom of dip coating bucket (1) is fixed with fluid-discharge tube (5) that are used for exporting the insulated paint, transfer line (4) and fluid-discharge tube (5) all are linked together with dip coating bucket (1), just the valve is all installed on the surface of transfer line (4) and fluid-discharge tube (5).

3. The miniature transformer paint dipping device according to claim 1, wherein: the bottom of the paint dipping barrel (1) is fixed with a base (6) for supporting the paint dipping barrel (1).

4. The miniature transformer paint dipping device according to claim 1, wherein: the drying component comprises a motor (23), the motor (23) is fixed on the inner wall of the barrel cover (2), a fan (24) is fixed at the output end of the motor (23), a heating wire (25) is fixed in the barrel cover (2), an air outlet (26) is formed in one side, facing the paint dipping barrel (1), of the barrel cover (2), the surface of the air outlet (26) and the surface of the fan (24) are arranged oppositely, and the heating wire (25) is arranged between the air outlet (26) and the fan (24).

5. The miniature transformer paint dipping device according to claim 4, wherein: an air outlet (22) is formed in one side, far away from the paint dipping barrel (1), of the barrel cover (2), an air exhaust pipeline is connected to the air outlet (22), and the air outlet (22) and the surface of the fan (24) are arranged oppositely.

6. The miniature transformer paint dipping device according to claim 4, wherein: a plurality of ventilation holes have been seted up on the surface of stoving pipe (71), just stoving pipe (71) are fixed with air-supply line (72) towards the one end of dip coating bucket (1) bucket mouth department, air-supply line (72) are the loudspeaker form, and with stoving pipe (71) intercommunication, the mouth of pipe and air outlet (26) of air-supply line (72) are just to setting up.

7. The miniature transformer paint dipping device according to claim 1, wherein: the side wall of the mouth of the dip coating barrel (1) is provided with an annular groove (11), the surface of one side of the barrel cover (2) facing the dip coating barrel (1) is fixed with a sealing ring (21), and the sealing ring (21) is embedded in the annular groove (11).

8. The miniature transformer paint dipping device according to claim 1, wherein: the surface of the paint dipping barrel (1) is provided with a window, and glass (14) is fixed at the window.

9. The miniature transformer paint dipping device according to claim 1, wherein: a support ring (13) is fixed on the inner wall of the paint dipping barrel (1), and the periphery of the filter cylinder (7) is in contact with the inner wall of the support ring (13).

10. The miniature transformer paint dipping device according to claim 1, wherein: the lateral wall of dip coating bucket (1) is fixed with headstock (3), establish in headstock (3) motor (31), the output of motor (31) is fixed with connector (32), the hexagonal draw-in groove in one side surface of motor (31) output is kept away from in connector (32), it is fixed with pivot (73) to strain one side that dip coating bucket (1) bung hole department was kept away from in section (7), pivot (73) run through the lateral wall of dip coating bucket (1) and stretch into headstock (3) in, the tip cross-section of pivot (73) is the hexagon, just the tip card of pivot (73) is established in the hexagonal draw-in groove including.

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