CN112371413A - Spraying device and spraying method for transformer shell production - Google Patents
Spraying device and spraying method for transformer shell production Download PDFInfo
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- CN112371413A CN112371413A CN202011214680.9A CN202011214680A CN112371413A CN 112371413 A CN112371413 A CN 112371413A CN 202011214680 A CN202011214680 A CN 202011214680A CN 112371413 A CN112371413 A CN 112371413A
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- 238000005507 spraying Methods 0.000 title claims abstract description 225
- 238000004519 manufacturing process Methods 0.000 title description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 60
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 239000003973 paint Substances 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- 235000019994 cava Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010981 drying operation Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 210000002421 cell wall Anatomy 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
- B05B12/087—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a spraying device for producing a transformer shell, which comprises a spraying platform, wherein a spraying box body is arranged in the center of the spraying platform, symmetrical clamping mechanisms are respectively arranged at two sides of the spraying box body, a spraying component is arranged on the inner top wall of the spraying box body, a preheating mechanism is arranged on the inner bottom wall of the spraying box body, the clamping mechanisms fix the position of the transformer shell and drive the transformer shell to longitudinally and circularly rotate in the spraying process, the preheating mechanism is used for carrying out hot drying and preheating treatment on the surface of the transformer shell longitudinally rotating to the preheating range, and the spraying component is used for carrying out spraying treatment on the surface of the transformer shell subjected to the hot drying and preheating treatment and longitudinally circularly rotating to the spraying range. The invention utilizes the side surface rotating mode to carry out side surface specific spraying, can ensure the side surface spraying quality, has high automation degree in the operation process, saves manpower and is safer.
Description
Technical Field
The invention relates to the technical field of transformer production, in particular to a spraying device and a spraying method for transformer shell production.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core (magnetic core), and the transformer has the main functions of: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, and can be classified into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impulse transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.);
the transformer is usually installed in the open air environment to work, the heat dissipation is an important index for the performance of the transformer, the heat dissipation of the power transformer mainly depends on cooling oil flowing in a circulating pipe of the power transformer to take away the heat of the power transformer in a convection heat exchange mode, and meanwhile, a transformer shell also dissipates heat to the outside in a heat radiation mode, so that the transformer shell is often sprayed with dark paint to increase the blackness of the metal surface, the blackness of the metal surface is higher, the heat radiation capacity of the metal surface is higher, and the surface spraying of the shell is also one of the factors for measuring the quality of the transformer;
for the spraying of the transformer shell, a mechanical spray gun is generally adopted to spray paint on the transformer shell in the open air, after the spraying and brushing are finished, the coating is naturally dried, currently, CN107774483A discloses a spraying component for transformer production, which solves the problem that the shell is sprayed by heat engineering in an exposed environment, because the spraying material contains toxin, the spraying material can threaten the health of workers, and in addition, the problem that the transformer needs to be naturally dried for a long time after spraying, which wastes time and has low efficiency is solved, the spraying component places the transformer shell in a spraying box, and then, the coating nozzle is utilized to spray the shell on the upper part of the coating box, and the spraying mode has the defects that firstly, the side part of the transformer shell has poor spraying effect, secondly, the coating can slide along the transformer shell and gather into liquid drops in the process of moving to the position of the drying box after spraying, and the liquid drops are dried to form dry particles.
Disclosure of Invention
The invention aims to provide a spraying device for producing a transformer shell, which solves the technical problems that in the prior art, spraying effect of a transformer spraying device on the side part of a transformer shell is poor, slipping and condensation occur in the process of moving to a drying position, and dry particles are formed after drying.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a spraying device for producing a transformer shell comprises a spraying platform, wherein a spraying box body is arranged in the center of the spraying platform, symmetrical clamping mechanisms are respectively arranged on two sides of the spraying box body, a spraying component is arranged on the inner top wall of the spraying box body, and a preheating mechanism is arranged on the inner bottom wall of the spraying box body;
the clamping mechanism is used for fixing the position of the transformer shell and driving the transformer shell to longitudinally and circularly rotate in the spraying process and comprises a clamping seat and a driving device; the clamping seat is arranged in the spraying box body, and the driving device is arranged on one side of the clamping seat, which is back to the center of the spraying box body; a clamping groove is formed in one side, facing the center of the spraying box body, of the clamping seat, the clamping groove is attached to the side edge portion of the transformer shell, clamping spring plates are mounted on two sides of the clamping groove, two ends of each clamping spring plate are fixed to the groove walls of the clamping groove, the clamping spring plates are wavy, and the transformer shell is pushed into the clamping spring plates or pulled out of the clamping spring plates under the action of external force;
the preheating mechanism is used for carrying out hot drying and preheating treatment on the surface of the transformer shell which longitudinally rotates to the preheating range, and the spraying assembly is used for carrying out spraying treatment on the surface of the transformer shell which longitudinally circularly rotates to the spraying range and is subjected to the hot drying and preheating treatment.
As a preferable scheme of the invention, the driving device comprises a power device arranged on one side of the spraying platform opposite to the clamping seat and facing away from the spraying box body, and further comprises a connecting rod arranged at the front end of the power device, wherein rotating channels are arranged on two sides of the spraying box body, the centers of the clamping seats are positioned on the same straight line and penetrate through the rotating channels on the side wall of the spraying box body, the connecting rod is rotatably arranged in the rotating channels, one end of the connecting rod is in transmission connection with a driving shaft of the power device, and the other end of the connecting rod penetrates through the rotating channels and is connected with the center of one side of the clamping seat facing away from the spraying box.
As a preferred scheme of the invention, the spraying component comprises a shunting cavity arranged at the top of the spraying box body, and one side of the shunting cavity, which faces the middle part of the spraying box body, is provided with a plurality of spraying ports; one side of the diversion cavity, which faces away from the center of the spraying box body, is provided with a feeding pipeline, the diversion cavity and the jet orifice are sequentially communicated to form a spraying channel, and the spraying channel is used for spraying the spraying paint to the transformer shell in the spraying box body.
As a preferable scheme of the invention, an electromagnetic valve is arranged at the cross-sectional plane of the jet orifice and is used for controlling the on-off of a spraying channel; the jet ports are arranged in a rectangular array, and the sum of the jet ranges of the plurality of jet ports arranged in the rectangular array is consistent with the shape of the side face of the transformer shell.
As a preferable mode of the present invention, the preheating mechanism includes a heating device disposed at the bottom in the spraying tank and a heat transfer mechanism disposed below the heating device, the heating device includes a heating plane formed by laying a plurality of heating coils, the shape of the heating plane is the same as that of the side wall of the transformer housing, and a heat transfer gap is disposed between adjacent heating coils in the plurality of heating coils.
As a preferable scheme of the invention, the heat transfer mechanism comprises a plurality of mounting holes arranged on the bottom wall of the spraying box body, a mounting frame is arranged at the center of each mounting hole, a fixing rod is arranged between each mounting frame and each mounting hole, each mounting frame is inwards recessed to form a mounting groove, a driving motor is arranged in each mounting groove, a driving shaft of each driving motor is circumferentially provided with rotating blades, and each rotating blade can rotate under the driving of the corresponding driving motor to form linear airflow.
As a preferable aspect of the present invention, the rotary blade is located right below the heat transfer gap, the rotary blade and the heat transfer gap correspond to each other one to one, the heat transfer gap communicates a space located above the rotary blade and below the heating plane with a space located above the heating plane and below the transformer case, and a linear airflow formed by the rotary blade flows from the space located above the rotary blade and below the heating plane to the space located above the heating plane and below the transformer case along the heat transfer gap.
In a preferred embodiment of the present invention, the distance between the heating plane and the plane of the ejection opening is larger than the distance between any vertices of the cross-sectional plane of the transformer housing.
The invention also provides a spraying method for the spraying device for producing the transformer shell, which comprises the following steps:
s100, placing the transformer shell into a spraying box body, and clamping and fixing the transformer shell by a clamping mechanism;
s200, under the action of a driving device in a clamping mechanism, rotating to drive the side face of a transformer shell to face a preheating mechanism for preheating treatment, then rotating the side face of the transformer shell subjected to preheating treatment under the action of the clamping mechanism to face a spraying assembly, at the moment, preheating the rest side face of the transformer shell to the preheating mechanism, opening an electromagnetic valve at a spraying opening to enable paint to be uniformly sprayed onto the side face of the transformer shell, and performing hot drying and shaping by utilizing the residual temperature of the transformer shell;
s300, the clamping mechanism continues to drive the transformer shell to rotate, the side surface which is preheated in the step S200 and is not sprayed is rotated to face the spraying assembly to perform coating spraying treatment on the side surface, then the residual heat on the side surface of the transformer shell is shaped, and the side surface which is sprayed in the step S200 faces the preheating mechanism at the moment, so that the coating of the side surface is heated and reinforced by the heating operation of the preheating mechanism;
s400, repeating the steps S200 and S300 until the spraying treatment of the side face of the transformer shell is completed.
Compared with the prior art, the invention has the following beneficial effects:
the invention seals the spraying and drying operation in the interior isolated from the external environment through the spraying box body, avoids spraying coating to the external environment in the spraying process and causing damage to the environment or operators, utilizes the clamping mechanism to clamp and rotate the transformer shell, enables the side surface of the transformer shell to face the preheating mechanism, the preheating mechanism preheats the side surface of the transformer shell, enables the temperature of the side surface of the transformer shell to rise, rotates the side surface of the transformer shell with the temperature rising to face the spraying component, the spraying component carries out the spraying operation on the side surface of the transformer shell, the coating sprayed to the side surface of the transformer shell is heated by the residual temperature of the transformer shell at the moment of contacting the transformer shell, and is immediately shaped on the side surface of the transformer shell, the condition that the coating slides and gathers into liquid drops in the process of rotating the transformer shell is avoided, and then the residual side surface is rotated to face the spraying component for spraying, the sprayed transformer housing side is rotated to the orientation and is preheated the mechanism, then preheat the mechanism and dry and consolidate the sprayed transformer housing side, whole spraying process adopts and preheats earlier the mode of spraying and then consolidating, the spraying is more even, can obtain higher spraying quality, and utilize the rotatory mode in side to carry out the side and carry out to the spraying, can guarantee side spraying quality, and operation process automation degree is high, use manpower sparingly, it is also safer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic structural diagram of a spraying apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a heat transfer gap structure according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a heat transfer mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of a combined structure of a branch chamber and an injection port provided in an embodiment of the present invention;
fig. 5 is a flowchart of a spraying method according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a spraying platform; 2-spraying the box body; 3-a clamping mechanism; 4-a spray assembly; 5-a preheating mechanism; 6-electromagnetic valve;
201-rotating the channel;
301-a clamping seat; 302-a drive device; 303-clamping the groove; 304-clamping a spring plate;
3021-a power plant; 3022-connecting rod;
401-a shunting cavity; 402-an ejection port; 403-a feed conduit;
501-a heating device; 502-a heat transfer mechanism; 503-heat transfer gaps;
5021-mounting holes; 5022-a mounting rack; 5023-fixing the rod; 5024, mounting grooves; 5025, driving a motor; 5026 rotating blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the invention provides a spraying device for producing a transformer shell, which comprises a spraying platform 1, wherein a spraying box body 2 is arranged in the center of the spraying platform 1, and a door plate for the transformer shell to enter and exit is arranged on the back surface of the spraying box body 2.
The two sides of the spraying box body 2 are respectively provided with symmetrical clamping mechanisms 3, the inner top wall of the spraying box body 2 is provided with a spraying assembly 4, the inner bottom wall of the spraying box body 2 is provided with a preheating mechanism 5, the transformer shell is fixed in position by the clamping mechanisms 3 and is driven to rotate longitudinally and circularly in the spraying process, the preheating mechanism 5 is used for carrying out hot drying and preheating treatment on the surface of the transformer shell longitudinally rotating to the preheating range, and the spraying assembly 4 is used for carrying out spraying treatment on the surface of the transformer shell longitudinally rotating to the spraying range and subjected to hot drying and preheating treatment.
The specific process of spraying the transformer shell is as follows:
firstly, placing a transformer body from the back of a spraying box body 2 to the middle of the spraying box body 2, and clamping a transformer shell by a clamping mechanism 3; then, the transformer clamping mechanism 3 drives the transformer shell to rotate so that the side faces face the preheating mechanism 5, the preheating mechanism 5 is used for heating and warming the side faces of the transformer shell, the heated and warmed side faces of the transformer shell are driven by the clamping mechanism 3 to rotate and face the spraying component 4, the spraying component 4 is used for spraying paint on the transformer shell, and the paint sprayed on the transformer shell is immediately heated and molded under the self temperature action of the transformer shell; and finally, preheating and spraying the rest side surfaces of the transformer shell, wherein the side surfaces of the transformer shell which is subjected to spraying still face the preheating mechanism 5 in the process, and the preheating mechanism 5 is used for baking and reinforcing the side surfaces of the transformer shell so as to further shape the coating on the side surfaces of the transformer shell.
In this embodiment, fixture 3 is including setting up at the inside grip slipper 301 of spraying box 2 and setting up the drive arrangement 302 of one side of spraying box 2 center in grip slipper 301 dorsad, grip slipper 301 inwards caves in towards one side at the spraying box 2 center has the centre gripping recess 303 with transformer case side part laminating, all install the centre gripping spring plate 304 that both ends are fixed on centre gripping recess 303 cell wall in the both sides of centre gripping recess 303, transformer case is pushed under the exogenic action between the both sides centre gripping spring plate 304, or is pulled out from between the both sides centre gripping spring plate 304.
Specifically, the clamping spring plates 304 which are located on both sides and are wavy are arranged in opposite directions, a groove for accommodating and clamping the transformer housing is formed between the wave troughs of the two clamping spring plates 304, a bayonet for preventing the transformer housing from being separated is formed between the wave crests on both sides of one side of the opening of the clamping groove 303, and the clamping spring plates 304 with elasticity on both sides are mutually far away when the transformer housing is inserted or pulled out, so that the bayonet is opened to allow the transformer housing to be inserted into or pulled out of the clamping groove 303.
Further, the driving device 302 comprises a power device 3021 arranged on one side of the spraying platform 1 opposite to the clamping seat 301 and facing away from the spraying box body 2, and a connecting rod 3022 arranged at the front end of the power device 3021, wherein two sides of the spraying box body 2 are provided with a rotating channel 201 which is collinear with the center of the clamping seat 301 and penetrates through the side wall of the spraying box body 2, the connecting rod 3022 is circumferentially and rotatably arranged in the rotating channel 201, one end of the connecting rod 3022 is in transmission connection with a driving shaft of the power device 3021, and the other end of the connecting rod 3022 penetrates through the rotating channel 201 to be connected with the center of one side of the clamping seat 301 opposite to.
Wherein, drive arrangement 302 forms the driver part who has rotation and flexible function for rotating motor and cylinder combination, the drive shaft that is located the drive arrangement 302 of application platform both sides is extension forward respectively to drive connecting rod 3022, thereby drive the left grip slipper 301 of spraying box 2 and the grip slipper 301 on spraying box 2 right side and be close to the transformer housing respectively, until the centre gripping recess 303 of the left grip slipper 301 of spraying box 2 laminates with the transformer housing left side completely, the centre gripping recess 303 of the grip slipper 301 on spraying box 2 right side laminates with the transformer housing right side completely.
When the transformer shell needs to be taken out after the spraying is finished, when the clamping seat 301 on the left side of the spraying box body 2 and the clamping seat 301 on the left side of the spraying box body 2 are separated from the transformer shell, the power devices 3021 on the two sides respectively drive the connecting rods 3022 to be shortened backwards, so that the clamping seat 301 on the left side of the spraying box body 2 and the clamping seat 301 on the left side of the spraying box body 2 are driven to be respectively kept away from the transformer shell to the two sides of the spraying box body 2, namely the clamping groove 303 of the clamping seat 301 on the left side of the spraying box body 2 is completely separated from the left side of the transformer shell, and the clamping groove 303 of the clamping seat 301 on the right side of the spraying box body 2 is completely separated from the right side of the transformer shell until the.
The specific way that the driving device 302 drives the transformer housing to rotate circumferentially is as follows: after the transformer is clamped in the clamping holders 301 on both sides, the driving devices 302 on both sides of the painting platform 1 have a synchronous rotation state, and respectively drive the connecting rod 3022 to rotate circumferentially in the rotation channel 201, and since the connecting rod 3022 is connected with the clamping holder 301, the clamping holder 301 rotates circumferentially along with the connecting rod 3022, so that the transformer housing between the clamping holders 301 on both sides is also rotated circumferentially, and the side surface of the transformer circulates towards the preheating mechanism 5 and the painting assembly 4 during the circumferential rotation.
As shown in fig. 1 and 4, the spraying component 4 includes a shunt cavity 401 disposed at the top of the spraying box 2, a plurality of injection ports 402 are disposed on one side of the shunt cavity 401 facing the middle of the spraying box 2, a feeding pipeline 403 is disposed on one side of the shunt cavity 401 facing away from the middle of the spraying box 2, and the feeding pipeline 403, the shunt cavity 401 and the injection ports 402 are sequentially communicated to form a spraying passage for spraying the spraying paint onto the transformer shell in the spraying box 2.
The electromagnetic valve 6 is arranged on the cross section plane of the jet orifice 402, the on-off of the spraying channel is controlled by the switch of the electromagnetic valve 6, the jet orifices 402 are arranged in a rectangular array, and the sum of the jet ranges of the plurality of jet orifices 402 arranged in the rectangular array is consistent with the shape of the side face of the transformer shell.
Wherein, the feeder pipe 403 is externally connected with a storage tank for storing paint, a pump body mechanism is arranged between the storage tank and the feeder pipe 403, the pump body mechanism enables the paint in the storage tank to enter the diversion cavity 401 along the feeder pipe 403, the paint is divided into a plurality of liquid flows to be sprayed to the surface of the transformer shell from the spraying opening 402 after being sprayed into the diversion cavity 401, the sum of the spraying ranges of the plurality of spraying openings 402 is consistent with the shape of the side surface of the transformer shell, so that the paint liquid flow sprayed out of the spraying opening 402 can be uniformly sprayed to any position of the side surface of the transformer shell, one side surface of the transformer shell is sprayed at one time, the same spraying thickness is achieved while the efficiency is ensured, and the spraying.
As shown in fig. 1 to 3, the preheating mechanism 5 includes a heating device 501 disposed at the bottom inside the spraying tank 2 and a heat transfer mechanism 502 disposed below the heating device 501, the heating device 501 is a heating plane formed by laying a plurality of heating coils and having the same shape as a side wall of the transformer housing, and a heat transfer gap 503 is left between adjacent heating coils in the heating plane.
The heating temperature of the heating coil is determined by the current flowing in the heating coil, the heating temperature is higher when the current is higher, the heating temperature can be adjusted by adjusting the current supplied to the heating coil, the heating coil is laid in a plane, and can have a uniform heat radiation surface, so that the heating coil has the same heating temperature on the plane.
The rotary blades 5026 are located right below the heat transfer gaps 503, the rotary blades 5026 correspond to the heat transfer gaps 503 one by one, the heat transfer gaps 503 communicate between a space above the rotary blades 5026 and below a heating plane and a space above the heating plane and below a transformer housing, and linear airflow formed by the rotary blades 5026 flows from the space above the rotary blades 5026 and below the heating plane to the space above the heating plane and below the transformer housing along the heat transfer gaps 503.
The specific way in which the rotating blades 5026 conduct heat from the heating plane to the sides of the transformer housing is: first, the rotary blades 5026 are driven by the rotary motor to form an upward linear air flow below the heating plane, the linear air flows formed by the rotary blades 5026 form an air flow array which is consistent with the heating plane shape, then when the air flow array contacts the heating coil in the heating plane, hot air around the heating coil, which is raised due to heat radiation, flows to the upper side of the heating plane from the heat transfer gap 503, the hot air flows in a straight line above the heating plane and is connected with the side surface of the transformer shell, and heat conduction is generated between the hot air and the side surface of the transformer shell, so that the temperature of the transformer shell is raised.
The distance between the heating plane and the plane of the jet orifice 402 is larger than the distance between any vertex on the cross section plane of the transformer shell, so that the transformer shell can be ensured to rotate in the spraying box body 2 without being blocked and has enough space for rotating.
As shown in fig. 5, based on the above structure of the spraying device, the present invention provides a spraying method comprising the steps of:
s100, placing the transformer shell into a spraying box body, and clamping and fixing the transformer shell by a clamping mechanism;
s200, under the action of a driving device in a clamping mechanism, rotating to drive the side face of a transformer shell to face a preheating mechanism for preheating treatment, then rotating the side face of the transformer shell subjected to preheating treatment under the action of the clamping mechanism to face a spraying assembly, at the moment, preheating the rest side face of the transformer shell to the preheating mechanism, opening an electromagnetic valve at a spraying opening to enable paint to be uniformly sprayed onto the side face of the transformer shell, and performing hot drying and shaping by utilizing the residual temperature of the transformer shell;
s300, the clamping mechanism continues to drive the transformer shell to rotate, the side surface which is preheated in the step S200 and is not sprayed is rotated to face the spraying assembly to perform coating spraying treatment on the side surface, then the residual heat on the side surface of the transformer shell is shaped, and the side surface which is sprayed in the step S200 faces the preheating mechanism at the moment, so that the coating of the side surface is heated and reinforced by the heating operation of the preheating mechanism;
s400, repeating the steps S200 and S300 until the spraying treatment of the side face of the transformer shell is completed.
The invention seals the spraying and drying operation in the interior isolated from the external environment through the spraying box body, avoids spraying coating to the external environment in the spraying process and causing damage to the environment or operators, utilizes the clamping mechanism to clamp and rotate the transformer shell, enables the side surface of the transformer shell to face the preheating mechanism, the preheating mechanism preheats the side surface of the transformer shell, enables the temperature of the side surface of the transformer shell to rise, rotates the side surface of the transformer shell with the temperature rising to face the spraying component, the spraying component carries out the spraying operation on the side surface of the transformer shell, the coating sprayed to the side surface of the transformer shell is heated by the residual temperature of the transformer shell at the moment of contacting the transformer shell, and is immediately shaped on the side surface of the transformer shell, the condition that the coating slides and gathers into liquid drops in the process of rotating the transformer shell is avoided, and then the residual side surface is rotated to face the spraying component for spraying, the sprayed transformer housing side is rotated to the orientation and is preheated the mechanism, then preheat the mechanism and dry and consolidate the sprayed transformer housing side, whole spraying process adopts and preheats earlier the mode of spraying and then consolidating, the spraying is more even, can obtain higher spraying quality, and utilize the rotatory mode in side to carry out the side and carry out to the spraying, can guarantee side spraying quality, and operation process automation degree is high, use manpower sparingly, it is also safer.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (9)
1. A spraying device for producing a transformer shell comprises a spraying platform (1), wherein a spraying box body (2) is arranged in the center of the spraying platform (1), and is characterized in that symmetrical clamping mechanisms (3) are respectively arranged on two sides of the spraying box body (2), a spraying component (4) is arranged on the inner top wall of the spraying box body (2), and a preheating mechanism (5) is arranged on the inner bottom wall of the spraying box body (2);
the clamping mechanism (3) is used for fixing the position of the transformer shell and driving the transformer shell to longitudinally and circularly rotate in the spraying process and comprises a clamping seat (301) and a driving device (302); the clamping seat (301) is arranged in the spraying box body (2), and the driving device (302) is arranged on one side, back to the center of the spraying box body (2), of the clamping seat (301); one side, facing the center of the spraying box body (2), of the clamping seat (301) is provided with a clamping groove (303), the clamping groove (303) is attached to the side edge part of the transformer shell, clamping spring plates (304) are mounted on two sides of the clamping groove (303), two ends of each clamping spring plate (304) are fixed on the groove wall of the corresponding clamping groove (303), the clamping spring plates (304) are wavy, and the transformer shell is pushed into the clamping spring plates (304) under the action of external force or pulled out of the clamping spring plates (304);
the preheating mechanism (5) is used for carrying out hot drying and preheating treatment on the surface of the transformer shell which longitudinally rotates to the preheating range, and the spraying assembly (4) is used for carrying out spraying treatment on the surface of the transformer shell which longitudinally circularly rotates to the spraying range and is subjected to hot drying and preheating treatment.
2. The spraying device for producing the transformer housing as claimed in claim 1, the driving device (302) comprises a power device (3021) arranged on one side of the spraying platform (1) opposite to the spraying box body (2) relative to the clamping seat (301), and also comprises a connecting rod (3022) arranged at the front end of the power device (3021), the two sides of the spraying box body (2) are provided with rotating channels (201), the centers of the clamping seats (301) are positioned on the same straight line and penetrate through the rotating channels (201) on the side wall of the spraying box body (2), the connecting rod (3022) is rotatably arranged in the rotating channel (201), one end of the connecting rod (3022) is in transmission connection with a driving shaft of the power device (3021), and the other end of the connecting rod (3022) penetrates through the rotating channel (201) to be connected with the center of one side of the clamping seat (301) back to the spraying box body (2).
3. The spraying device for producing the transformer shell as claimed in claim 1, wherein the spraying component (4) comprises a diversion cavity (401) arranged at the top of the spraying box body (2), and a plurality of spraying ports (402) are formed in one side of the diversion cavity (401) facing to the middle of the spraying box body (2); one side of the diversion cavity (401), which faces away from the center of the spraying box body (2), is provided with a feeding pipeline (403), the diversion cavity (401) and the jet orifice (402) are sequentially communicated to form a spraying channel, and the spraying channel is used for spraying a spraying paint to the transformer shell in the spraying box body (2).
4. The spraying device for producing the transformer housing as claimed in claim 3, wherein an electromagnetic valve (6) is arranged at a cross-sectional plane of the jet orifice (402), and the electromagnetic valve (6) is used for controlling the on-off of a spraying channel; the jet ports (402) are arranged in a rectangular array, and the sum of the jet ranges of the plurality of jet ports (402) arranged in the rectangular array is consistent with the shape of the side face of the transformer shell.
5. The spraying device for producing the transformer housing as claimed in claim 1, wherein the preheating mechanism (5) comprises a heating device (501) arranged at the bottom in the spraying box body (2) and a heat transfer mechanism (502) arranged below the heating device (501), the heating device (501) comprises a heating plane formed by laying a plurality of heating coils, the heating plane has the same shape as the side wall of the transformer housing, and a heat transfer gap (503) is arranged between adjacent heating coils in the plurality of heating coils.
6. The spraying device for producing the transformer casing as claimed in claim 5, wherein the heat transfer mechanism (502) comprises a plurality of mounting holes (5021) formed in the bottom wall of the spraying box body (2), a mounting frame (5022) is arranged at the center of the mounting holes (5021), a fixing rod (5023) is arranged between the mounting frame (5022) and the mounting holes (5021), a mounting groove (5024) is formed in the mounting frame (5022) in an inwards recessed mode, a driving motor (5025) is arranged inside the mounting groove (5024), rotating blades (5026) are circumferentially arranged on a driving shaft of the driving motor (5025), and the rotating blades (5026) can rotate under the driving of the driving motor (5025) to form linear airflow.
7. The spraying device for producing the transformer housing as claimed in claim 6, wherein the rotating blades (5026) are located right below the heat transfer gaps (503), the rotating blades (5026) correspond to the heat transfer gaps (503) one by one, the heat transfer gaps (503) communicate a space between the upper side of the rotating blades (5026) and the lower side of the heating plane with a space between the upper side of the heating plane and the lower side of the transformer housing, and linear air flows formed by the rotating blades (5026) circulate along the heat transfer gaps (503) from the space between the upper side of the rotating blades (5026) and the lower side of the heating plane to the space between the upper side of the heating plane and the lower side of the transformer housing.
8. The spraying device for producing the transformer housing as claimed in claim 4, wherein the distance between the heating plane and the plane of the spraying port (402) is larger than the distance between any vertex points on the cross-sectional plane of the transformer housing.
9. A spraying method for producing a transformer shell is realized based on the spraying device for producing the transformer shell as claimed in any one of claims 1 to 8, and is characterized by comprising the following steps:
s100, placing the transformer shell into a spraying box body, and clamping and fixing the transformer shell by a clamping mechanism;
s200, under the action of a driving device in a clamping mechanism, rotating to drive the side face of a transformer shell to face a preheating mechanism for preheating treatment, then rotating the side face of the transformer shell subjected to preheating treatment under the action of the clamping mechanism to face a spraying assembly, at the moment, preheating the rest side face of the transformer shell to the preheating mechanism, opening an electromagnetic valve at a spraying opening to enable paint to be uniformly sprayed onto the side face of the transformer shell, and performing hot drying and shaping by utilizing the residual temperature of the transformer shell;
s300, the clamping mechanism continues to drive the transformer shell to rotate, the side surface which is preheated in the step S200 and is not sprayed is rotated to face the spraying assembly to perform coating spraying treatment on the side surface, then the residual heat on the side surface of the transformer shell is shaped, and the side surface which is sprayed in the step S200 faces the preheating mechanism at the moment, so that the coating of the side surface is heated and reinforced by the heating operation of the preheating mechanism;
s400, repeating the steps S200 and S300 until the spraying treatment of the side face of the transformer shell is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011214680.9A CN112371413A (en) | 2020-11-04 | 2020-11-04 | Spraying device and spraying method for transformer shell production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011214680.9A CN112371413A (en) | 2020-11-04 | 2020-11-04 | Spraying device and spraying method for transformer shell production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112371413A true CN112371413A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011214680.9A Pending CN112371413A (en) | 2020-11-04 | 2020-11-04 | Spraying device and spraying method for transformer shell production |
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| Country | Link |
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| CN (1) | CN112371413A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301452A (en) * | 2022-08-26 | 2022-11-08 | 安徽中科大禹科技有限公司 | Automatic spraying equipment suitable for concave-convex plate surface |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205109953U (en) * | 2015-11-14 | 2016-03-30 | 东莞市新力光表面处理科技有限公司 | Adhesive tape revolving stage formula automatic spraying production line |
| CN208712010U (en) * | 2018-07-12 | 2019-04-09 | 浙江万宝龙胶粘制品有限公司 | A kind of device for improving glue and throwing anchor-hold |
| CN208894485U (en) * | 2018-07-02 | 2019-05-24 | 吴俊枫 | A kind of automatic powder spraying drying device |
| CN209715536U (en) * | 2019-02-21 | 2019-12-03 | 温丽芳 | A kind of highly effective transformer production spray equipment |
| CN210773228U (en) * | 2019-09-23 | 2020-06-16 | 贵州中天贵变电气装备有限公司 | Drying furnace for transformer |
| CN111495641A (en) * | 2020-04-23 | 2020-08-07 | 台州市振泰机电有限公司 | Transformer spraying equipment and spraying process thereof |
| CN211329966U (en) * | 2019-11-30 | 2020-08-25 | 广州来硕智能科技有限公司 | Painting device for art products |
-
2020
- 2020-11-04 CN CN202011214680.9A patent/CN112371413A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205109953U (en) * | 2015-11-14 | 2016-03-30 | 东莞市新力光表面处理科技有限公司 | Adhesive tape revolving stage formula automatic spraying production line |
| CN208894485U (en) * | 2018-07-02 | 2019-05-24 | 吴俊枫 | A kind of automatic powder spraying drying device |
| CN208712010U (en) * | 2018-07-12 | 2019-04-09 | 浙江万宝龙胶粘制品有限公司 | A kind of device for improving glue and throwing anchor-hold |
| CN209715536U (en) * | 2019-02-21 | 2019-12-03 | 温丽芳 | A kind of highly effective transformer production spray equipment |
| CN210773228U (en) * | 2019-09-23 | 2020-06-16 | 贵州中天贵变电气装备有限公司 | Drying furnace for transformer |
| CN211329966U (en) * | 2019-11-30 | 2020-08-25 | 广州来硕智能科技有限公司 | Painting device for art products |
| CN111495641A (en) * | 2020-04-23 | 2020-08-07 | 台州市振泰机电有限公司 | Transformer spraying equipment and spraying process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301452A (en) * | 2022-08-26 | 2022-11-08 | 安徽中科大禹科技有限公司 | Automatic spraying equipment suitable for concave-convex plate surface |
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Application publication date: 20210219 |