CN113198698A

CN113198698A - Vertical intelligent multi-azimuth electrostatic painting method

Info

Publication number: CN113198698A
Application number: CN202110492439.0A
Authority: CN
Inventors: 刘华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-08-03

Abstract

The invention discloses a vertical intelligent multi-azimuth electrostatic painting method, which comprises the following steps of S1: product preheating, S2: product rotation, S3: electrostatic spraying, S4: drying the coating, S5: heat flow recovery, S6: the surface protection method has the advantages that the product is preheated, the ice-cold product is prevented from being directly sprayed, the condition that the electrostatic charge distribution is uneven is caused, the uniformity of the product during spraying is ensured, excessive paint is prevented from being accumulated on the surface of the product by rotating the product, orange-peel-shaped stripes are prevented from being generated on the surface of the product due to flowing of the paint, the spraying quality of the product is ensured, the product is subjected to hot drying after spraying is finished, the paint is prevented from flowing during hot drying by symmetrically hot drying at two ends, the orange-peel-shaped flowing marks are further prevented from being generated while the paint is distributed, and meanwhile, the product is gradually adapted to different temperatures by multi-step hot drying, and hot peeling caused by instant high temperature is avoided.

Description

Vertical intelligent multi-azimuth electrostatic painting method

Technical Field

The invention relates to the technical field of electrostatic spraying, in particular to a vertical intelligent multi-directional electrostatic spraying method.

Background

The process is called electrostatic spray painting, the electrostatic spray painting takes an object to be coated as a positive electrode and a paint atomizing device as a negative electrode, and the paint forms an encircling effect on the object to be coated according to the principle that like charges repel each other and opposite charges attract each other under the action of an electric field force, and directionally flows to the appearance of the object to be coated with positive charges along electric lines to be accumulated into an average and firmly attached film.

But at present when carrying out electrostatic spraying to the product, the product generally directly carries out the spraying, has led to the product not preheating for the product can appear some low condition of adhesion speed when the spraying, directly carries out high temperature stoving after the spraying is accomplished simultaneously, makes the product contact temperature in the twinkling of an eye too high, has lead to the steam to arrange fast not enough, makes the coating produce the condition that the heat is peeled off, thereby influences the quality of product.

Disclosure of Invention

The invention provides a vertical intelligent multi-directional electrostatic painting method, which can effectively solve the problems that when the product is subjected to electrostatic painting at present, the product is generally directly painted, so that the product is not preheated, the condition that the adhesion speed of part of the product is low during painting occurs, and meanwhile, the product is directly dried at high temperature after painting is finished, so that the instant contact temperature of the product is overhigh, the steam discharge speed is insufficient, the paint is thermally stripped, and the quality of the product is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: the vertical intelligent multi-azimuth electrostatic painting method is characterized by comprising the following steps:

s1: preheating a product: the support is carried out through the support frame, heat is supplied to the inside through the air inlet pipe, and the angle of the current-limiting disc is controlled by the adjusting electromagnet, so that the flow velocity of gas is convenient to control, and the heat exchange time is ensured;

s2: rotating a product: the product is supported by the limiting inner hole rod and the fixed supporting disk, and the air flow always flows at an angle by utilizing the gap difference between the air inlet and the air outlet through the accelerating fan and the air inlet box so as to drive the product to rotate;

s3: electrostatic spraying: spraying a rotating product by an electrostatic spraying gun arranged inside;

s4: and (3) drying the coating: the paint on the surface of the product is heated and dried by the opposite guide fan and the electric heating drying plate, and is isolated by the heat insulation separating plate, so that the mutual influence of different temperatures is avoided, and the condition that the paint is thermally stripped due to too fast short-time heating and drying is avoided by multi-stage heating and drying;

s5: heat flow recovery: hot steam is led out through a drainage tube and is recovered through a collecting barrel, and meanwhile water in the hot steam is absorbed by water-soluble coating powder placed inside the collecting barrel and is recovered through an air inlet pipe;

s6: surface protection: the protection liquid is sprayed on the surface of the product through the atomization box, and the surface of the product is scrubbed through the scrubbing roller, so that the protection liquid can be uniformly smeared, the heated product is rapidly cooled, and the shaping effect of the coating is guaranteed.

Preferably, the top end of the support frame is rotatably connected with a transmission belt, one side of the support frame is provided with an even attachment assembly, the support frame drives a limit inner hole rod to be connected with a fixed support disc through a lower piezoelectric push rod, a product to be sprayed is moved to a spraying position, the flow of internal air flow is accelerated through an accelerating fan and an air inlet box, the air flow is moved along a fixed position through an air inlet and outlet difference, the fixed support disc and the limit inner hole rod are driven to rotate, so that the product is driven to rotate, when the rotating speed reaches a certain degree, the air flow velocity is reduced, the surface of the product is sprayed through an internally laid electrostatic spraying gun, so that the surface of the product can be evenly sprayed when the product is sprayed, meanwhile, the product is rotated by centrifugal force, the phenomenon that the paint flows due to excessive paint attached to the surface of the product is avoided, orange-grained, the redundant spray paint and water mist are taken away, so that the drying of the internal environment is ensured, and the spraying effect is ensured;

the hot drying diversion assembly is mounted on one side of the support frame, the coating on the surface of the product is hot dried through the diversion fan and the electric heating drying plate, meanwhile, the air flow moves towards two sides through the simultaneous hot drying of the upper end and the lower end, the condition that the coating cannot be dried timely and flows due to single hot drying during hot drying is avoided, the orange-peel-shaped trace is further avoided, the air is intercepted and dried during air inlet, external impurities are prevented from entering the heat-preservation sealing box under the high-speed driving, the cleanliness of the drying environment is guaranteed, the hot air is led out through the drainage tube, the phenomenon that a large number of condensed water drops adhere to the surface of the product due to long-time retention of water mist is avoided, the drying effect of the coating is influenced, and meanwhile, the hot drying stripping caused by the excessively high instant drying speed is avoided due to gradual drying;

a preheating current-limiting assembly is mounted on one side of the support frame, hot air is introduced through the air inlet pipe, the rotating angle of the current-limiting disc is controlled by adjusting the electromagnet, so that the size of an air outlet of the exhaust pipe is controlled, the exhaust pipe is pushed to move by internal air pressure while exhausting, the flow of internal air flow is further controlled, the heat exchange time of the hot air is ensured, and raw materials to be sprayed can be effectively preheated;

the spraying cooling assembly is installed to support frame one side, through feed liquor pipe and atomizing box to product surface spraying protection liquid, can be stable attached to the product surface through the protection liquid after the atomizing, reduce the scratch of product, accomplish the back at the spraying, mutually support through scrubbing roller and promotion spring, adsorb its surperficial unnecessary protection liquid, make the further even surface of attaching to the product of protection liquid simultaneously, cool down the product simultaneously.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:

1. the invention preheats the product, limits the speed of the hot air by the current-limiting disc, ensures that the hot air can be stably and uniformly contacted with the surface of the product, ensures the preheating effect of the product, avoids the situation that the electrostatic charge distribution is not uniform due to the direct spraying of the ice-cold product, ensures the uniformity of the product during spraying, avoids excessive paint from being accumulated on the surface of the product by rotating the product, avoids orange-peel-shaped stripes on the surface of the product caused by the flowing of the paint, ensures the spraying quality of the product, dries the product after the spraying is finished, prevents the paint from flowing during drying by symmetrically drying at two ends, further avoids the generation of orange-peel-shaped flowing marks while ensuring the distribution of the paint, ensures that the product gradually adapts to different temperatures by multi-step drying, and avoids the generation of thermal peeling caused by instantaneous high temperature, and after the baking is finished, spraying a protective solution on the surface of the product, so that the surface of the coating can be protected, and simultaneously, rapidly cooling the coating.

2. The uniform attachment component is arranged, the limit inner hole rod is driven by the lower piezoelectric push rod to be clamped at the side end of the fixed connecting rod on the fixed supporting plate, so that a product is limited and fixed, meanwhile, the limit inner hole rod cannot shake when being pressed downwards under the action of the adsorption electromagnet and the lower pressing limit column, and can be quickly loosened when needing to rotate, the fixed connecting rod and the limit inner hole rod are limited and fixed by the clamping and fixing group to avoid being separated when rotating, the air flow is driven by the accelerating fan to flow, meanwhile, the air entering the high-pressure spraying box is treated by the air inlet box, the air which is moist and contains impurities is prevented from entering the high-pressure spraying box, the air flow flows at a fixed angle through the position difference of the air inlet and the air outlet, so that the product is driven to rotate, the rotating speed of the fan is controlled when rotating, and the rotating speed of the product is controlled, the spraying device has the advantages that the spraying of the product can not be separated due to the fact that the rotating speed is too high, the orange-peel-shaped flowing mark generated due to the accumulation of the coating when the product is sprayed is avoided, and the spraying effect is guaranteed.

3. The drying device is provided with a hot drying diversion assembly, air diversion is carried out through a diversion fan, impurities in external air are intercepted through a separation net plate arranged in an intercepting protection box during diversion, then drying agents in a drying placing cage are used for drying the air, so that the air heated through an electric heating drying plate is sufficiently dried, the hot drying effect of coating is ensured, the condition that the coating on the surface of a product flows during hot drying is avoided through hot drying at two ends, hot steam in the product is guided while hot drying is carried out, the condition that the hot air stays for a long time to influence the drying effect is avoided, and meanwhile, the hot stripping condition caused by overhigh instant temperature is avoided through multi-step drying.

4. Be provided with and preheat current limiting component, through the leading-in hot-air of intake pipe, the hot-air enters into and passes through the blast pipe discharge behind the preheating cabinet, through adjusting the position that the electro-magnet control pushed a section of thick bamboo, make the turned angle of change current-limiting disc that the section of thick bamboo can be quick, thereby the exhaust velocity of flow of control air, and restrict the exhaust through a section of thick bamboo of discharging and exhaust vent, avoid the exhaust velocity too fast to lead to the condition that hot-air and product heat transfer time are not enough to appear, thereby the effect of preheating of product has been guaranteed.

To sum up, through heat drying the water conservancy diversion subassembly and preheating the current-limiting subassembly and mutually supporting for can carry out quick recovery and recycle with the exhaust heat after drying by the fire when drying by the fire to the product, absorb vapor through the collecting vessel simultaneously, guarantee the drying of the hot-air of backward flow, retrieve water simultaneously, through preheating the current-limiting subassembly and evenly adhering to the subassembly and mutually supporting, make can guarantee the attached effect of static when the spraying, avoid ice-cold product to influence the adnexed effect of static.

5. Be provided with spraying cooling module, provide protection liquid in to the atomizing box through the feed liquor pipe, and drive spacing barrier plate through spacing electric push rod and remove, thereby the speed that quick control liquid of being convenient for flows, make can be quick when dealing with different products adjust, adjust the position of scrubbing the roller according to the size of product through promoting the spring after the spraying is accomplished, thereby best contact position has been guaranteed, the degree of consistency to the paining of protection liquid has been guaranteed simultaneously, cool down the product simultaneously.

Combine to use, through stoving water conservancy diversion subassembly and spraying cooling module for utilize remaining heat to carry out quick spraying after the stoving is accomplished to the stoving, thereby accelerated the drying of protection liquid, and cool down the product, the production speed of having guaranteed the product avoids the too high condition of product surface temperature after the stoving to appear simultaneously, mutually supports through a plurality of subassemblies, makes the homogeneity of spraying and the drying rate of coating can be guaranteed when production.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic flow diagram of the process of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of the uniform attachment assembly of the present invention;

FIG. 4 is a schematic view of the mounting structure of the high pressure spray booth of the present invention;

FIG. 5 is a schematic view of the mounting structure of the lower piezoelectric push rod of the present invention;

FIG. 6 is a schematic view of the installation structure of the limiting inner hole rod of the present invention;

FIG. 7 is a schematic view of the mounting structure of the stationary support disk of the present invention;

FIG. 8 is a schematic view of an installation structure of the intake box of the present invention;

FIG. 9 is a schematic structural view of a thermal drying deflector assembly of the present invention;

FIG. 10 is a schematic view of the installation structure of the heat-insulating sealing box of the invention;

FIG. 11 is a schematic view of the installation structure of the intercept protection box of the present invention;

FIG. 12 is a schematic diagram of a preheat current limit assembly of the present invention;

FIG. 13 is a schematic view of the installation structure of the preheating cabinet of the present invention;

FIG. 14 is a schematic structural view of the spray cooling assembly of the present invention;

FIG. 15 is a schematic view of the mounting structure of the stationary spray booth of the present invention;

reference numbers in the figures: 1. a support frame; 2. a conveyor belt;

3. uniformly attaching the components; 301. a high-pressure spraying box; 302. an inlet and an outlet; 303. an isolation seal plate; 304. raising the electric push rod; 305. a lower piezoelectric push rod; 306. fixing a connecting ring; 307. a limiting inner hole rod; 308. clamping the limiting groove; 309. an adsorption electromagnet; 310. pressing down the spring; 311. pressing down the limiting column; 312. a fixed support disc; 313. a fixed connecting rod; 314. clamping the fixing holes; 315. clamping and fixing the group; 316. taking the mechanical arm; 317. an accelerating fan; 318. an air inlet box; 319. drying the cage; 320. a sliding limit groove; 321. a limiting spring; 322. rotating the pushing plate;

4. a hot drying diversion assembly; 401. a heat preservation sealing box; 402. a flow guiding fan; 403. a separation port; 404. a thermally insulating separator plate; 405. linking the electric push rod; 406. an electric heating drying plate; 407. a drainage tube; 408. a collection barrel; 409. intercepting a protective box; 410. isolating the screen plate; 411. a limiting clamping groove; 412. fixing the spring; 413. a T-shaped limiting column; 414. drying and placing in a cage;

5. preheating the current limiting assembly; 501. a preheating box; 502. an air inlet pipe; 503. an exhaust pipe; 504. a blocking spring; 505. pushing the barrel; 506. a guide post; 507. a current limiting disc; 508. adjusting the electromagnet; 509. a movable spring; 510. an exhaust funnel; 511. an exhaust hole;

6. spraying a cooling component; 601. fixing the spraying box; 602. an auxiliary mechanical arm; 603. a spacing isolation plate; 604. an isolated electrical push rod; 605. a liquid inlet pipe; 606. an atomization cartridge; 607. a limit stop plate; 608. a limiting electric push rod; 609. an adjustment port; 610. a push spring; 611. and (4) brushing the roller.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-15, the present invention provides a technical solution, a vertical intelligent multi-directional electrostatic painting method, comprising the following steps:

s1: preheating a product: the support is carried out through the support frame 1, heat is supplied to the inside through the air inlet pipe 502, and the angle of the current-limiting disc 507 is controlled by the adjusting electromagnet 508, so that the flow rate of gas is convenient to control, and the heat exchange time is ensured;

s2: rotating a product: the product is supported by the limiting inner hole rod 307 and the fixed supporting disk 312, and the air flow always flows at an angle by utilizing the gap difference between the air inlet and the air outlet through the accelerating fan 317 and the air inlet box 318, so that the product is driven to rotate;

s4: and (3) drying the coating: the paint on the surface of the product is baked by the opposite diversion fan 402 and the electric heating drying plate 406, and is isolated by the heat insulation separating plate 404, so that the mutual influence of different temperatures is avoided, and the condition that the paint is thermally stripped due to too fast short-time baking is avoided by multi-stage baking;

s5: heat flow recovery: hot steam is led out through a drainage tube 407 and is recovered through a collecting barrel 408, and meanwhile water in the hot steam is absorbed by water-soluble coating powder arranged inside and is recovered through an air inlet pipe 502;

s6: surface protection: the protection liquid is sprayed on the surface of the product through the atomization box 606, and the surface of the product is brushed through the brushing roller 611, so that the protection liquid can be uniformly smeared, the heated product is rapidly cooled, and the sizing effect of the coating is ensured.

The top end of the support frame 1 is rotatably connected with a transmission belt 2, one side of the support frame 1 is provided with an even attachment component 3, a lower piezoelectric push rod 305 drives a limit inner hole rod 307 to be connected with a fixed support disc 312, a product to be sprayed is moved to a spraying position, the flow of internal air flow is accelerated through an accelerating fan 317 and an air inlet box 318, the air flow is moved along a fixed position through an air inlet and outlet difference, the fixed support disc 312 and the limit inner hole rod 307 are driven to rotate, the product is driven to rotate, when the rotating speed reaches a certain degree, the air flow velocity is reduced, the surface of the product is sprayed through an internally laid electrostatic spraying gun, the surface of the product can be evenly sprayed when the product is sprayed, meanwhile, the centrifugal force is utilized to rotate the product, the phenomenon that the paint flows due to excessive paint attached to the surface of the product is avoided, orange-grained marks appear on the surface of the product, and the paint flows through the air flow when the product is sprayed, the redundant spray paint and water mist are taken away, so that the drying of the internal environment is ensured, and the spraying effect is ensured;

a hot drying diversion assembly 4 is installed on one side of the support frame 1, the coating on the surface of the product is subjected to hot drying through a diversion fan 402 and an electric heating drying plate 406, and meanwhile, the air flow moves towards two sides through the simultaneous hot drying of the upper end and the lower end, so that the condition that the coating cannot be dried timely and flows due to single hot drying during hot drying is avoided, the appearance of orange-peel-shaped traces is further avoided, meanwhile, the air is intercepted and dried during air inlet, external impurities are prevented from entering the heat-preservation sealing box 401 under the high-speed driving, the cleanliness of the drying environment is ensured, the hot air is led out through a drainage tube 407, the phenomenon that a large number of condensed water drops adhere to the surface of the product due to long-time retention of water mist is avoided, the drying effect of the coating is influenced, and meanwhile, the condition that the hot drying is peeled off due to the excessively high instant drying speed is avoided through gradual drying;

one side of the support frame 1 is provided with a preheating current-limiting assembly 5, hot air is introduced through the air inlet pipe 502, the rotation angle of the current-limiting disc 507 is controlled by adjusting the electromagnet 508, so that the size of an air outlet of the exhaust pipe 503 is controlled, the exhaust pipe 510 is pushed to move by internal air pressure while exhausting, so that the flow of internal air flow is further controlled, the heat exchange time of the hot air is ensured, and the raw material to be sprayed can be effectively preheated;

spraying cooling module 6 is installed to support frame 1 one side, through feed liquor pipe 605 and atomizing box 606 to product surface spraying protection liquid, can be stable attached to the product surface through the protection liquid after the atomizing, reduce the scratch of product, after the spraying is accomplished, mutually support through scrubbing roller 611 and push spring 610, adsorb its surperficial unnecessary protection liquid, make the further even surface of attaching to the product of protection liquid simultaneously, cool down the product simultaneously.

The uniform attachment component 3 comprises a high-pressure spraying box 301, an inlet and outlet 302, an isolation sealing plate 303, an ascending electric push rod 304, a descending electric push rod 305, a fixed connecting ring 306, a limiting inner hole rod 307, a clamping limiting groove 308, an adsorption electromagnet 309, a descending spring 310, a descending limiting column 311, a fixed supporting plate 312, a fixed connecting rod 313, a clamping fixing hole 314, a clamping fixing group 315, a taking mechanical arm 316, an accelerating fan 317, an air inlet box 318, a drying cage 319, a sliding limiting groove 320, a limiting spring 321 and a rotating push plate 322;

the high-pressure spraying box 301 is welded on one side of the top end of the support frame 1 close to the transmission belt 2, an inlet and an outlet 302 are arranged on two sides of one end of the high-pressure spraying box 301 corresponding to the transmission belt 2, an isolation sealing plate 303 penetrates through two sides of the top end of the high-pressure spraying box 301, one end of the isolation sealing plate 303 is fixedly connected with an ascending electric push rod 304, one end of the ascending electric push rod 304 is fixedly connected with the high-pressure spraying box 301, lower piezoelectric push rods 305 symmetrically penetrate through two sides of the top end of the high-pressure spraying box 301, a fixed connecting ring 306 is sleeved on the side end of the lower piezoelectric push rod 305, a limiting inner hole rod 307 is rotatably connected at the position of the bottom end of the lower piezoelectric push rod 305 close to the fixed connecting ring 306, clamping limiting grooves 308 are respectively arranged at one end of the fixed connecting ring 306 and one end of the limiting inner hole rod 307, clamping limiting grooves 308 are embedded in the inner sides of the clamping limiting grooves 308 at the position of the fixed connecting ring 306, clamping limiting grooves 308 are welded and connected with lower pressing springs 310 at the positions close to the clamping electromagnets 309, the bottom end of the lower pressure spring 310 is connected with a lower pressure limiting post 311 in a spot welding mode, the bottom end of the inner side of the high-pressure spraying box 301 is symmetrically provided with a fixed supporting plate 312, the top end of the fixed supporting plate 312 is welded with a fixed connecting rod 313, one end of each of the fixed connecting rod 313 and one end of the limiting inner hole rod 307 is provided with a clamping fixing hole 314, a clamping fixing group 315 is embedded and installed in the clamping fixing hole 314 at the position of the fixed connecting rod 313, and the clamping fixing group 315 consists of a clamping spring, a clamping electromagnet and a clamping limiting post and is convenient to clamp and fix the limiting inner hole rod 307 and the fixed connecting rod 313;

the mechanical arm 316 of taking is installed to high-pressure spraying case 301 inboard both ends symmetry, high-pressure spraying case 301 top equidistance embedding is installed with higher speed fan 317, high-pressure spraying case 301 top corresponds fan 317 position department fixed mounting with higher speed has the exhaust pipe, be convenient for guide air current's emission, high-pressure spraying case 301 both ends bottom all runs through into wind box 318, dry cage 319 is installed in the inboard embedding of wind box 318, slip spacing groove 320 has been seted up to wind box 318 one end, the inboard welding of slip spacing groove 320 has spacing spring 321, spacing spring 321 one end spot welding is connected with rotation slurcam 322, the electric push rod 304 that rises, push rod 305 pushes down, adsorption electromagnet 309, the fixed group 315 of joint, the mechanical arm 316 of taking and the fan 317 input all with external control ware output electric connection with external power supply output electric connection.

The hot drying diversion assembly 4 comprises a heat preservation sealing box 401, a diversion fan 402, a separation opening 403, a heat insulation separation plate 404, a linkage electric push rod 405, an electric heating drying plate 406, a drainage pipe 407, a collection barrel 408, an interception protection box 409, an isolation screen plate 410, a limiting clamping groove 411, a fixed spring 412, a T-shaped limiting column 413 and a drying placement cage 414;

the heat preservation sealing box 401 is welded on one side of the top end of the support frame 1 close to the position of the high-pressure spraying box 301, the heat preservation sealing box 401 is connected with the high-pressure spraying box 301 in a clamping mode, sealing performance is guaranteed, the top end and the bottom end of the heat preservation sealing box 401 are embedded with the guide fan 402 at equal intervals, the top end of the heat preservation sealing box 401 is provided with the partition ports 403 at equal intervals, the top end of the heat preservation sealing box 401 corresponding to the partition ports 403 is embedded and clamped with the heat insulation separation plate 404 in a clamping mode, the heat insulation separation plate 404 is embedded and installed on the inner side of the partition ports 403, one end of the heat insulation separation plate 404 is fixedly connected with the linkage electric push rod 405, the inner side of the heat preservation sealing box 401 close to the position of the guide fan 402 is embedded and clamped with the electric heating drying plate 406 at equal intervals, the two ends of the heat preservation sealing box 401 are symmetrically penetrated with the drainage tubes 407, the air outlet ends of the drainage tubes 407 penetrate one side of the top end of the collection barrel 408, and the collection barrel 408 is fixedly installed on one end of the support frame 1;

the top of the heat preservation sealing box 401 is welded with an intercepting protection box 409 corresponding to the position of the diversion fan 402, the top of the intercepting protection box 409 is hinged with an isolating screen plate 410, the maximum rotating angle of the isolating screen plate 410 is 180 degrees, the intercepting protection box 409 is convenient to open, a limiting clamping groove 411 is formed in one end of the isolating screen plate 410 and one end of the intercepting protection box 409, a fixing spring 412 is arranged on the inner side of the limiting clamping groove 411, one end of the fixing spring 412 is connected with a T-shaped limiting column 413 in a spot welding mode, the T-shaped limiting column 413 is embedded and installed on the inner side of the limiting clamping groove 411, a drying placement cage 414 is embedded and clamped in the inner side of the intercepting protection box 409, the diversion fan 402, a linkage electric push rod 405 and an electric heating drying plate 406 input end are electrically connected with an external controller output end.

The preheating flow-limiting assembly 5 comprises a preheating box 501, an air inlet pipe 502, an air outlet pipe 503, a blocking spring 504, a pushing cylinder 505, a guide column 506, a flow-limiting disc 507, an adjusting electromagnet 508, a moving spring 509, an exhaust cylinder 510 and an exhaust hole 511;

the top end of the support frame 1 is welded with a preheating box 501 at one side close to the high-pressure spraying box 301, a plurality of air inlet pipes 502 are equidistantly arranged at the bottom end of the preheating box 501 in a penetrating manner, the air inlet ends of the air inlet pipes 502 are connected with the air outlet end of a collecting barrel 408, an exhaust pipe 503 is arranged at the top end of the preheating box 501 in a penetrating manner, a blocking spring 504 is welded at one end of the inner side of the preheating box 501, a pushing barrel 505 is connected with one end of the blocking spring 504 in a spot welding manner, the pushing barrel 505 is sleeved and mounted at the side end of a guide post 506, the guide post 506 is welded at one end of the preheating box 501, one end of the pushing barrel 505 is rotatably connected with a flow limiting disc 507, the maximum rotation angle of the flow limiting disc 507 is 90 degrees, the size of an exhaust port is convenient to control, an adjusting electromagnet 508 is embedded, be convenient for carry on spacingly, a plurality of exhaust hole 511 has been seted up to aiutage 510 one end equidistance, adjusts electromagnet 508 input and external control ware output electric connection.

The spray cooling assembly 6 comprises a fixed spray box 601, an auxiliary mechanical arm 602, a limit isolation plate 603, an isolation electric push rod 604, a liquid inlet pipe 605, an atomization box 606, a limit stop plate 607, a limit electric push rod 608, an adjusting port 609, a push spring 610 and a brush roller 611;

a fixed spraying box 601 is welded on one side of the top end of the support frame 1, a discharging pipe penetrates through the bottom end of the fixed spraying box 601 to facilitate discharging of redundant materials, an auxiliary mechanical arm 602 is installed on the inner side of the fixed spraying box 601, a limit baffle plate 603 is embedded and installed on the top end of the fixed spraying box 601, one end of the limit baffle plate 603 is fixedly connected with an isolation electric push rod 604, a liquid inlet pipe 605 is installed on the top end of the fixed spraying box 601 in a penetrating manner, the water outlet end of the liquid inlet pipe 605 is installed on one end of an atomization box 606 in a penetrating manner, a limit baffle plate 607 is installed on the inner side of the atomization box 606 in a sliding manner, one end of the limit baffle plate 607 is fixedly connected with a limit electric push rod 608, the limit electric push rod 608 is installed on the inner side of the fixed spraying box 601 in a penetrating manner, a plurality of adjusting ports 609 are equidistantly formed in the top end of the fixed spraying box 601, a pushing spring 610 is welded and one end of the pushing spring 610 is provided with a brushing roller 611, the brushing roller 611 is installed on the inner side of the adjusting ports 609 in a sliding manner, the position of the auxiliary mechanical arm 602 and the isolation electric push rod 604 can be adjusted quickly, and the input ends of the auxiliary mechanical arm and the isolation electric push rod are electrically connected with the output end of the external controller.

The working principle and the using process of the invention are as follows: when a product needs to be sprayed, the conveying belt 2 is started, the product is driven to the position of the preheating box 501 by the conveying belt 2, the dried hot air exhausted from the heat-insulating sealing box 401 is input into the preheating box 501 through the air inlet pipe 502, the adjusting electromagnet 508 is started at the same time, the adjusting electromagnet 508 adsorbs the pushing cylinder 505, the pushing cylinder 505 slides along the guide post 506, the blocking spring 504 is compressed when the pushing cylinder 505 slides, the current-limiting disc 507 synchronously rotates, the exhaust pipe 503 is opened, the internal air flow is exhausted along the exhaust hole 511 through the exhaust pipe 503 and the exhaust cylinder 510, the flow of the internal exhaust is limited through the exhaust cylinder 510, the hot air can have enough heat exchange time inside, the hot air is fully contacted with the product to preheat the surface of the product, when the internal air pressure is high, the air flow pushes the exhaust cylinder 510, the exhaust cylinder 510 slides along the exhaust pipe 503, so that the more opposite exhaust holes 511 are opened, thereby accelerating the exhaust of the internal air, preventing the situation of overlarge internal air pressure when the retention time of the hot air is controlled, ensuring the stability of the internal air pressure and ensuring the preheating effect;

after the preheating of the product is finished, the product is moved to a high-pressure spraying box 301 along with a conveying belt 2, the product enters the high-pressure spraying box 301 through an inlet and an outlet 302, a taking mechanical arm 316 and a lifting electric push rod 304 are started, an isolation sealing plate 303 is driven by the lifting electric push rod 304 to lift, the preheated product is placed on a fixed connecting rod 313 at the top end of a fixed supporting plate 312 through the taking mechanical arm 316, a lower piezoelectric push rod 305 is started, a limit inner hole rod 307 is driven by the lower piezoelectric push rod 305 to press downwards, the fixed connecting rod 313 is embedded into the inner side of the limit inner hole rod 307, after the embedding is finished, the fixed connecting rod 313 and the limit inner hole rod 307 are clamped and fixed through a clamping and fixing group 315, the product is limited, the position deviation during the rotation of the product is avoided, the product is driven to a required height through the lower piezoelectric push rod 305, an accelerating fan 317 and an adsorption electromagnet 309 are started, the adsorption electromagnet 309 adsorbs the downward pressing limiting column 311, when the downward pressing limiting column 311 is adsorbed, the downward pressing spring 310 is compressed, so that the fixed connecting ring 306 is separated from the limiting inner hole rod 307, the accelerating fan 317 drives air to flow, the pushing plate 322 slides and rotates along the sliding limiting groove 320, the air inlet box 318 is opened under the limiting effect of the limiting spring 321, so that the air enters the drying cage 319 through the air inlet box 318, the air is dried by the drying agent in the drying cage 319, the external damp air is prevented from entering, the airflow flow is accelerated by the accelerating fans 317, so that the limiting inner hole rod 307 is driven to rotate, the product can rotate at a high speed, after the product rotates to a certain speed, the flow rate of the airflow is reduced, the electrostatic spraying gun is paved inside to spray the surface of the product, the product continues to rotate while spraying, so that the coating can be effectively and uniformly paved on the surface of the product, meanwhile, under the action of high-speed centrifugation, the condition of paint accumulation is avoided, so that orange-peel-shaped liquid flowing traces of the product are avoided, the optimal spraying effect is ensured, and meanwhile, redundant paint and moist air in the product are taken away through air flow in the spraying process, so that the condition of water condensation is avoided;

after the spraying of the product is finished, the lower piezoelectric push rod 305 drives the isolation sealing plate 303 to ascend again, so that the product is taken out by the taking mechanical arm 316, the product is conveyed into the heat preservation sealing box 401 through the conveying belt 2, the electric heating drying plate 406 and the flow guiding fan 402 are started, the air is driven to flow along the intercepting protection box 409 through the flow guiding fan 402, when external air passes through the isolation screen plate 410, impurities contained in the air are intercepted, then the air is dried through the drying agent in the drying placement cage 414, the drying effect of the air is ensured, the air is heated through the electric heating drying plate 406, the hot air can be rapidly and directly contacted with the surface of the product to continuously heat the surface of the product, meanwhile, the uniformity of the heat drying is ensured through synchronous air inlet at the upper end and the lower end, the condition that the coating flows due to the heat drying at a single position is avoided, and orange grains appear on the surface of the product, thereby ensuring the integrity of the surface of the product, when the dry placement cage 414 needs to be replaced, the T-shaped limiting column 413 is pulled, so that the T-shaped limiting column 413 is drawn out from the limiting clamping groove 411, the fixing spring 412 is driven to stretch, the isolation screen plate 410 is loosened, the intercepting protection box 409 is opened, so that the dry placement cage 414 can be rapidly replaced by a worker, the heat drying effect is further ensured, the moist air generated after the heat drying enters the collection barrel 408 through the drainage tube 407, in the collection barrel 408, the air passes through the water-soluble coating powder arranged inside, the moisture contained in the moist air is absorbed, and the absorbed hot air is input into the preheating box 501 through the exhaust tube 503, thereby realizing the effective recovery of resources, reducing the waste of resources, and isolating the heat drying environments with different temperatures through the heat insulation separation plate 404 during the heat drying, therefore, the continuous hot drying of the product is realized, the condition that the coating is hot-dried and stripped due to the rapid temperature change in a short time is avoided, the drying effect of the product is ensured, and the quality of the product is ensured;

after the heat drying is finished, the product is conveyed into a fixed spraying box 601 along with a conveying belt 2, the product is placed at the bottom end of an atomizing box 606 through an auxiliary mechanical arm 602, meanwhile, a limit isolation plate 603 is driven to move through an isolation electric push rod 604, the conveying belt 2 is isolated from a spraying position to prevent a protective liquid from being splashed onto the conveying belt 2, after the product is placed, the liquid is fed through a liquid inlet pipe 605, a limit electric push rod 608 is started, the limit electric push rod 608 drives a limit barrier plate 607 to slide, so that the atomizing box 606 is opened, the output speed of the protective liquid is convenient to control according to the requirements of different products, meanwhile, the optimal spraying effect can be ensured through the atomization, the situation that the protective liquid is wasted or leaked is prevented is generated, after the spraying is finished, the product is placed onto the conveying belt 2 through the auxiliary mechanical arm 602 again, the product is contacted with a brushing roller 611 when the conveying belt 2 moves, and the brushing roller 611 is driven to rotate, thereby wash the product surface, avoid the protection liquid to pile up on the product surface, further realize simultaneously evenly paining the product, through the flexible of promotion spring 610, change the position of scrubbing roller 611 to be convenient for adapt to the product of equidimension not.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vertical intelligent multi-azimuth electrostatic painting method is characterized by comprising the following steps:

s1: preheating a product: the support is carried out through the support frame (1), heat is supplied to the inside through the air inlet pipe (502), and the angle of the current limiting disc (507) is controlled by the adjusting electromagnet 508, so that the flow rate of gas is conveniently controlled, and the heat exchange time is ensured;

s2: rotating a product: the product is supported by a limiting inner hole rod (307) and a fixed supporting disk (312), and the air flow always flows at an angle by utilizing the gap difference between an air inlet and an air outlet through an accelerating fan (317) and an air inlet box (318) to drive the product to rotate;

s4: and (3) drying the coating: the paint on the surface of the product is baked through the opposite guide fan (402) and the electric heating drying plate (406), and is isolated through the heat insulation separating plate (404), so that the mutual influence of different temperatures is avoided, and the condition that the paint is thermally stripped due to too fast short-time baking is avoided through multi-stage baking;

s5: heat flow recovery: hot steam is led out through a drainage tube (407) and is recovered through a collecting barrel (408), and meanwhile water in the hot steam is absorbed by water-soluble coating powder placed inside the collecting barrel and is recovered through an air inlet pipe (502);

s6: surface protection: the protection liquid is sprayed on the surface of the product through the atomization box (606), and the surface of the product is brushed through the brushing roller (611), so that the protection liquid can be uniformly smeared, and meanwhile, the heated product is rapidly cooled, and the sizing effect of the coating is ensured.

2. The vertical intelligent multi-directional electrostatic painting method according to claim 1, wherein the top end of the support frame (1) is rotatably connected with a conveyor belt (2), one side of the support frame (1) is provided with a uniform attachment component (3), a lower piezoelectric push rod (305) drives a limit inner hole rod (307) to be connected with a fixed support disc (312), a product to be painted is moved to a painting position, the flow of internal airflow is accelerated by an accelerating fan (317) and an air inlet box (318), the airflow is moved along a fixed position by an air inlet and outlet difference, the fixed support disc (312) and the limit inner hole rod (307) are driven to rotate, the product is driven to rotate, the airflow flow rate is reduced when the rotation speed reaches a certain degree, the surface of the product is painted by an internally laid electrostatic painting gun, so that the surface of the product can be uniformly painted when the product is painted, meanwhile, the product is rotated to utilize centrifugal force, so that the phenomenon that the paint flows due to excessive paint attached to the surface of the product, and orange-peel-shaped marks appear on the surface of the product is avoided;

a hot drying diversion assembly (4) is arranged on one side of the support frame (1), the coating on the surface of the product is hot dried through a diversion fan (402) and an electric heating drying plate (406), meanwhile, the upper end and the lower end are simultaneously heated, so that the air flow moves to the two sides, the condition that the coating cannot be dried in time and flows due to single heating during heating is avoided, and orange-peel-shaped traces are further avoided, meanwhile, the air is intercepted and dried during air inlet, so that external impurities are prevented from entering the heat-insulating sealing box (401) under the high-speed driving, the cleanliness of the drying environment is ensured, and the hot air is led out through the drainage tube (407), thereby avoiding that a large amount of condensed water drops are attached to the surface of the product due to the long-time stay of the water mist to influence the drying effect of the coating, meanwhile, the condition of hot dry stripping caused by too high instant drying speed is avoided by gradual drying;

a preheating current-limiting assembly (5) is installed on one side of the support frame (1), hot air is introduced through an air inlet pipe (502), the rotating angle of a current-limiting disc (507) is controlled through an adjusting electromagnet (508), so that the size of an air outlet pipe (503) is controlled, an air exhaust cylinder (510) is pushed to move by internal air pressure during air exhaust, so that the flow of internal air flow is further controlled, the heat exchange time of the hot air is ensured, and raw materials to be sprayed can be effectively preheated;

spraying cooling module (6) are installed to support frame (1) one side, through feed liquor pipe (605) and atomizing box (606) to product surface spraying protection liquid, can be stable attached to the product surface through the protection liquid after the atomizing, reduce the scratch of product, after the spraying is accomplished, through brushing roller (611) and promoting spring (610) and mutually supporting, adsorb its surperficial unnecessary protection liquid, make the further even surface of attaching to the product of protection liquid simultaneously, cool down the product simultaneously.

3. The vertical intelligent multi-directional electrostatic painting method according to claim 2, wherein the uniform attachment assembly (3) comprises a high-pressure painting box (301), an inlet and outlet (302), an isolation sealing plate (303), an ascending electric push rod (304), a descending electric push rod (305), a fixed connecting ring (306), a limiting inner hole rod (307), a clamping limiting groove (308), an adsorption electromagnet (309), a descending spring (310), a descending limiting column (311), a fixed supporting plate (312), a fixed connecting rod (313), a clamping fixing hole (314), a clamping fixing group (315), a taking mechanical arm (316), an accelerating fan (317), an air inlet box (318), a drying cage (319), a sliding limiting groove (320), a limiting spring (321) and a rotating push plate (322);

the high-pressure spraying box (301) is welded on one side, close to the transmission belt (2), of the top end of the support frame (1), an inlet and an outlet (302) are formed in two sides, corresponding to the transmission belt (2), of one end of the high-pressure spraying box (301), isolation sealing plates (303) penetrate through two sides of the top end of the high-pressure spraying box (301), one end of each isolation sealing plate (303) is fixedly connected with an ascending electric push rod (304), one end of each ascending electric push rod (304) is fixedly connected with the high-pressure spraying box (301), lower piezoelectric push rods (305) symmetrically penetrate through two sides of the top end of the high-pressure spraying box (301), the side ends of the lower piezoelectric push rods (305) are sleeved with fixed connection rings (306), the bottom ends of the lower piezoelectric push rods (305) are rotatably connected with limiting inner hole rods (307) close to the fixed connection rings (306), and clamping limiting grooves (308) are formed in one ends of the fixed connection rings (306) and the limiting inner hole rods (307), an adsorption electromagnet (309) is embedded and clamped into the inner side of a clamping limiting groove (308) located at the position of the fixed connecting ring (306), a pressing spring (310) is welded and connected to the position, close to the adsorption electromagnet (309), of the clamping limiting groove (308), a pressing limiting column (311) is connected to the bottom end of the pressing spring (310) in a spot welding mode, fixed supporting discs (312) are symmetrically placed at the bottom end of the inner side of the high-pressure spraying box (301), a fixed connecting rod (313) is welded to the top end of each fixed supporting disc (312), clamping fixing holes (314) are formed in one ends of the fixed connecting rod (313) and a limiting inner hole rod (307), and a clamping fixing group (315) is embedded and installed on the inner side of each clamping fixing hole (314) located at the position of the fixed connecting rod (313);

arm (316) of taking is installed to high pressure coating case (301) inboard both ends symmetry, high pressure coating case (301) top equidistance embedding is installed with higher speed fan (317), high pressure coating case (301) both ends bottom has all run through into wind box (318), dry cage (319) is installed in the inboard embedding of wind box (318), slip spacing groove (320) have been seted up to wind box (318) one end, the inboard welding of slip spacing groove (320) has spacing spring (321), spacing spring (321) one end spot welding is connected with rotation slurcam (322).

4. The vertical intelligent multi-directional electrostatic painting method according to claim 3, wherein the clamping fixing set (315) comprises a clamping spring, a clamping electromagnet and a clamping limiting column, an exhaust pipe is fixedly installed at the position, corresponding to the accelerating fan (317), of the top end of the high-pressure painting box (301), the ascending electric push rod (304), the descending electric push rod (305), the adsorption electromagnet (309), the clamping fixing set (315), the taking mechanical arm (316) and the accelerating fan (317) input ends are electrically connected with the output end of the external controller, and the input end of the external controller is electrically connected with the output end of the external power supply.

5. The vertical intelligent multi-azimuth electrostatic painting method according to claim 2, wherein the hot drying diversion assembly (4) comprises a heat preservation sealing box (401), a diversion fan (402), a separation opening (403), a heat insulation separation plate (404), a linkage electric push rod (405), an electric heating drying plate (406), a drainage tube (407), a collection barrel (408), an interception protection box (409), an isolation screen plate (410), a limit clamping groove (411), a fixed spring (412), a T-shaped limit column (413) and a dry placement cage (414);

the welding of support frame (1) top one side is close to high pressure coating case (301) position department has heat preservation seal box (401), water conservancy diversion fan (402) is installed to the impartial distance embedding in heat preservation seal box (401) top and bottom partition mouth (403) have been seted up to heat preservation seal box (401) top equidistance, heat preservation seal box (401) top is corresponding to partition mouth (403) position department embedding joint has thermal-insulated separator plate (404), thermal-insulated separator plate (404) embedding is installed in separating mouthful (403) inboard, thermal-insulated separator plate (404) one end fixedly connected with linkage electric push rod (405), heat preservation seal box (401) inboard is close to water conservancy diversion fan (402) position equidistance embedding joint has electric heat drying plate (406), heat preservation seal box (401) both ends symmetry runs through drainage tube (407), drainage tube (407) end of giving vent to anger runs through collection bucket (408) top one side, the collecting barrel (408) is fixedly arranged at one end of the support frame (1);

the welding of heat preservation seal box (401) top correspondence water conservancy diversion fan (402) position department has interception protecting box (409), interception protecting box (409) top is articulated to be connected with keeps apart otter board (410), keep apart otter board (410) and interception protecting box (409) one end and seted up spacing joint groove (411), spacing joint groove (411) inboard has fixed spring (412), fixed spring (412) one end spot welding is connected with spacing post of T type (413), spacing post of T type (413) embedding is installed in spacing joint groove (411) inboard, interception protecting box (409) inboard embedding joint has the drying to place cage (414).

6. The vertical intelligent multi-directional electrostatic painting method according to claim 5, wherein the maximum rotation angle of the isolation screen (410) is 180 degrees, the heat-preservation sealing box (401) is connected with the high-pressure spraying box (301) in a clamping manner, and the input ends of the flow-guiding fan (402), the linkage electric push rod (405) and the electric heating drying plate (406) are electrically connected with the output end of an external controller.

7. The vertical intelligent multi-azimuth electrostatic painting method according to claim 2, wherein the preheating current limiting assembly (5) comprises a preheating box (501), an air inlet pipe (502), an air outlet pipe (503), a blocking spring (504), a pushing cylinder (505), a guide post (506), a current limiting disc (507), a regulating electromagnet (508), a moving spring (509), an air outlet cylinder (510) and an air outlet hole (511);

the top of the support frame (1) is welded with a preheating box (501) at one side close to a high-pressure spraying box (301), a plurality of air inlet pipes (502) are arranged at the bottom of the preheating box (501) in an equal distance mode, the air inlet ends of the air inlet pipes (502) are connected with the air outlet end of a collecting barrel (408), an exhaust pipe (503) is arranged at the top of the preheating box (501) in a penetrating mode, a blocking spring (504) is welded at one end of the inner side of the preheating box (501), one end of the blocking spring (504) is connected with a pushing cylinder (505) in a spot welding mode, the pushing cylinder (505) is sleeved and installed at the side end of a guide column (506), the guide column (506) is welded and installed at one end of the preheating box (501), a current-limiting disc (507) is rotatably connected at one end of the pushing cylinder (505), an adjusting electromagnet (508) is installed at the position of the preheating box (501) close to the pushing cylinder (505) in an embedded mode, and a moving spring (509) is welded at one end of the inner side of the exhaust pipe (503), remove spring (509) bottom welded connection has aiutage (510), a plurality of exhaust hole (511) have been seted up to aiutage (510) one end equidistance.

8. The vertical intelligent multi-azimuth electrostatic painting method according to claim 1, wherein the maximum rotation angle of the current limiting disc (507) is 90 degrees, the exhaust funnel (510) is slidably mounted inside the exhaust pipe (503), and the input end of the adjusting electromagnet (508) is electrically connected with the output end of an external controller.

9. The vertical intelligent multi-azimuth electrostatic painting method according to claim 2, wherein the painting cooling assembly (6) comprises a fixed painting box (601), an auxiliary mechanical arm (602), a limit isolation plate (603), an isolation electric push rod (604), a liquid inlet pipe (605), an atomization box (606), a limit stop plate (607), a limit electric push rod (608), an adjusting port (609), a push spring (610) and a brushing roller (611);

the spraying device is characterized in that a fixed spraying box (601) is welded on one side of the top end of the support frame (1), an auxiliary mechanical arm (602) is installed on the inner side of the fixed spraying box (601), a limiting isolation plate (603) is installed at the top end of the fixed spraying box (601) in an embedded mode, one end of the limiting isolation plate (603) is fixedly connected with an isolating electric push rod (604), a liquid inlet pipe (605) is installed at the top end of the fixed spraying box (601) in a penetrating mode, the water outlet end of the liquid inlet pipe (605) is installed at one end of an atomizing box (606) in a penetrating mode, a limiting blocking plate (607) is installed on the inner side of the atomizing box (606) in a sliding mode, one end of the limiting blocking plate (607) is fixedly connected with a limiting electric push rod (608), the inner side of the fixed spraying box (601) is installed in a penetrating mode, a plurality of adjusting ports (609) are formed in the equal distance at the top end of the fixed spraying box (601), and a pushing spring (610) is connected with one end of the inner side of the adjusting ports (609) in a welding mode, one end of the pushing spring (610) is provided with a brushing roller (611).

10. The vertical intelligent multi-directional electrostatic painting method according to claim 9, wherein the brushing roller (611) is slidably mounted inside the adjusting port (609), a discharge pipe penetrates through the bottom end of the fixed painting box (601), and the input ends of the auxiliary mechanical arm (602) and the isolation electric push rod (604) are electrically connected with the output end of an external controller.