CN113522616B

CN113522616B - Coating spraying drying equipment

Info

Publication number: CN113522616B
Application number: CN202111052198.4A
Authority: CN
Inventors: 曹轩宇
Original assignee: Nantong Tengyu Environmental Protection Equipment Co ltd
Current assignee: Nantong Tengyu Environmental Protection Equipment Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2021-11-19
Anticipated expiration: 2041-09-08
Also published as: CN113522616A

Abstract

The invention belongs to the technical field of paint spraying and drying, and particularly relates to paint spraying and drying equipment which comprises a machine table, an atomizing and spraying box and an air drying box, wherein a paint box is arranged at the top of the atomizing and spraying box, a stirring mechanism for stirring and uniformly mixing paint is arranged in the paint box, and a drying mechanism for heating and drying the paint is arranged in the air drying box; rabbling mechanism includes driving motor, driving motor's output has the pivot through the coupling joint, just the pivot level extends to scribbles the incasement, it has a plurality of rotation section of thick bamboos to scribble the incasement level equidistance range, and on rotating the coaxial pivot of being fixed in of a section of thick bamboo, the one end opening setting of rotating a section of thick bamboo is connected with a plurality of centrifuging tubes on the lateral wall of the other end. The invention has reasonable design, controls the driving by the same driving motor, has close and coherent matching of the spraying and drying processes of the coating, does not need manual multi-line operation control, improves the production efficiency and reduces the production cost.

Description

Coating spraying drying equipment

Technical Field

The invention belongs to the technical field of paint spraying and drying, and particularly relates to paint spraying and drying equipment.

Background

With the development of civil engineering technology and the improvement of living standard of people, the requirements on the quality and the beauty of building materials are increasingly improved, and before the building materials are used, the surface of the building materials needs to be subjected to coating spraying treatment, so that the effects of corrosion resistance, water resistance and the like can be achieved, and the building materials are more attractive and practical.

Through the retrieval, national patent publication No. CN 201044960603U discloses a coating spraying drying all-in-one, including the machine body, be equipped with the board on the machine body, iron sheet book support, the iron sheet book, gear motor, lower silo, the insulated door, the paint groove, the atomizing connects, the guide clamp roller, the air drying cabinet, the fan, the air exit, the atomizing spray booth, the export, atomizer, the heating pipe, the bottom plate, the drainage port, the paint collecting vat, the electromagnetic shaker, carry out the atomizing spraying with the material on the machine body, make the surface spraying of whole material more even, and all be equipped with the heating pipe in the inside lateral wall intermediate layer of atomizing spray booth, carry out preliminary drying to the paint on the material surface of spraying, then send into the air drying cabinet and dry, make the thorough drying of the material surface of spraying.

The above scheme has the following disadvantages:

1. the scheme has no paint stirring function, and most of building materials are mixtures of resin, pigment, solvent and the like, so that the building materials sink to a certain extent in the storage process, and each component forms a layering phenomenon.

2. This scheme is through blowing into hot-air through the air exit to the air drying cabinet, realizes the rapid draing to coating, nevertheless because the air exit rigidity, and the coverage area is limited, causes the inhomogeneous and not thorough problem of coating drying easily.

3. In this scheme, realize the vibrations to the material through the electromagnetic shaker, however because the electromagnetic shaker control is inconvenient, there is the instability, and needs the staff to manually open and close work, uses inconveniently.

Disclosure of Invention

The invention aims to provide paint spraying and drying equipment to solve the problems that the paint stirring function is not available and the paint is not uniformly dried in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme: a coating spraying and drying device comprises a machine table, an atomizing and spraying box and an air drying box, wherein a coating box is arranged at the top of the atomizing and spraying box, a stirring mechanism for stirring and uniformly mixing a coating is arranged in the coating box, and a drying mechanism for heating and drying the coating is arranged in the air drying box;

rabbling mechanism includes driving motor, driving motor's output has the pivot through the coupling joint, just the pivot level extends to scribbles the incasement, scribble the incasement level equidistance range and have a plurality of rotations section of thick bamboos, and on rotating the coaxial pivot that is fixed in of a section of thick bamboo, the one end opening setting of rotating a section of thick bamboo is connected with a plurality of centrifuging tubes on the lateral wall of the other end, centrifuging tube and the inside intercommunication that rotates a section of thick bamboo, just the axis direction of centrifuging tube is perpendicular with the axis direction who rotates a section of thick bamboo.

Further, the centrifuging tube is the toper setting, just the centrifuging tube is greater than the one end opening diameter of keeping away from the rotation section of thick bamboo with the one end opening diameter of rotating the section of thick bamboo intercommunication.

Further, stoving mechanism is including rotating the worm wheel of connection on the air stoving incasement wall, the air stoving incasement rotation is connected with the worm, on the worm is coaxial to be fixed in the pivot, just worm and worm wheel meshing, coaxial being fixed with sector gear on the lateral wall of worm wheel, the sector gear overcoat is equipped with the swing frame, be equipped with the tooth's socket that matches with sector gear on the inside wall of swing frame, two wedge blocks of the equal fixedly connected with in both ends of swing frame, be fixed with a plurality of tuber pipes through the connector link on the wedge face of wedge block, the shower nozzle is installed to the output of tuber pipe.

Further, stoving mechanism still includes the air heater of fixed mounting at air drying box top, the interior top surface of air drying box is provided with the three-way pipe that quantity and tuber pipe match, the output and the three-way pipe intercommunication of air heater, be connected with two communicating pipes on the three-way pipe, two communicating pipe communicates with the tuber pipe on two wedge respectively, just communicating pipe is the bellows.

Further, the both sides of board are provided with iron sheet winding up roller and winding up roller respectively, just iron sheet winding up roller and winding up roller are in on same horizontal plane, be provided with guide clamping roller in the atomizing spraying incasement.

Further, still including vibration mechanism, it is used for accelerating iron sheet book surface coating levelling speed, vibration mechanism includes that the level sets up the vibration board in the atomizing spraying incasement, just the vibration board is located the below that the guide pressed from both sides the roller, a plurality of vibrating masses of last fixed surface of vibration board are connected with, the ball has been inlayed to the upper end of vibrating mass, equal fixedly connected with fixed plate on the lateral wall of atomizing spraying case both sides, it is equipped with the slide bar to run through on the fixed plate to insert, the upper end and the vibration board of slide bar are fixed, the slide bar overcoat is equipped with electromagnetic spring, just electromagnetic spring's both ends are connected with fixed plate and vibration board respectively, electromagnetic spring is by setting up in the circular telegram mechanism control break-make of pivot tip.

Further, circular telegram mechanism includes the dust cover of fixed connection on atomizing spraying case lateral wall, the dust cover internal rotation has insulating carousel, driving motor's one end is kept away from in the pivot extends to the dust cover to with insulating carousel coaxial fixation, be fixed with the conducting block of two symmetries on the week lateral wall of insulating carousel, the conducting block is connected with the electromagnetism spring electricity, be fixed with two arcs that match with the conducting block on the inner wall of dust cover and connect the electroplax, the arc connects the electroplax to be connected with external power source electricity when the conducting block connects the electroplax contact with the arc, the circuit of electromagnetism spring switches on.

Further, the interior top surface of atomizing spraying case is provided with atomizer, atomizer passes through the high-pressure pump and scribbles the inside intercommunication of workbin, the bottom of atomizing spraying case is equipped with the coating collecting vat.

The invention has the following advantages:

1. according to the invention, the rotating cylinder and the centrifugal tube are arranged, the centrifugal tube is driven to rotate through the rotating shaft, so that the coating in the coating box can be uniformly stirred, and the rotating direction is vertical, so that the problem of layering of all components of the coating is effectively avoided;

in the rotating process of the centrifugal tube, the coating inside the centrifugal tube is thrown out under the action of centrifugal force, so that hydraulic pressure in the centrifugal tube is reduced, the coating in the coating box can be continuously sucked through the rotating cylinder, circulation is formed, flowing and uniform mixing of the coating in the coating box is further promoted, and the stirring efficiency is high and the effect is good.

2. According to the invention, the worm wheel, the worm, the sector gear and the swing frame are arranged, and the rotating shaft is used as a driving force, so that the air pipe is reciprocated and swung in the air drying box, the periodic change of the air outlet position is realized, the coating is conveniently and uniformly dried, and the drying effect is more thorough.

3. According to the invention, by arranging the power-on mechanism and the vibration mechanism, the periodic power-on and power-off of the electromagnet can be realized through the rotation of the rotating shaft, so that the vibration plate vibrates in a reciprocating manner to drive the iron sheet coil to shake, the leveling speed of the coating is favorably accelerated, and the flatness of the coating after drying and curing is improved.

4. The invention controls the driving through the same driving motor, the spraying and drying processes of the coating are closely and continuously matched, manual multi-line operation control is not needed, the production efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a perspective view of a paint spraying and drying apparatus provided in the present invention;

FIG. 2 is a schematic view of the internal structure of a paint spraying and drying apparatus provided in the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the internal structure of an air drying box of the paint spraying and drying apparatus provided by the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a schematic side view of a power-on mechanism of the paint spraying and drying apparatus according to the present invention;

fig. 7 is a perspective view of a centrifugal tube of the paint spraying and drying apparatus provided by the present invention.

In the figure, 1 machine table, 11 iron sheet winding roller, 12 material winding roller, 13 material guiding clamping roller, 2 atomizing spraying box, 21 atomizing spray head, 22 paint collecting tank, 3 air drying box, 4 paint box, 5 stirring mechanism, 51 driving motor, 52 rotating shaft, 53 rotating cylinder, 54 centrifuge tube, 6 drying mechanism, 61 worm wheel, 62 worm, 63 sector gear, 64 swinging frame, 65 wedge block, 66 connecting buckle, 67 air pipe, 68 spray head, 69 hot air blower, 610 three-way pipe, 611 communicating pipe, 7 vibrating mechanism, 71 vibrating plate, 72 vibrating block, 73 ball, 74 fixing plate, 75 sliding rod, 76 electromagnetic spring, 8 electrifying mechanism, 81 dust cover, 82 insulating rotary disc, 83 conductive block, 84 arc-shaped electrifying plate.

Detailed Description

As shown in fig. 1-3, a paint spraying and drying device comprises a machine table 1, an atomizing and spraying tank 2 and an air drying tank 3, wherein the atomizing and spraying tank 2 and the air drying tank 3 are fixed on the machine table 1 side by side, a paint tank 4 is arranged at the top of the atomizing and spraying tank 2, a stirring mechanism 5 for stirring and uniformly mixing paint is arranged in the paint tank 4, and a drying mechanism 6 for heating and drying paint is arranged in the air drying tank 3;

specifically, the stirring mechanism 5 includes a driving motor 51, an output end of the driving motor 51 is connected with a rotating shaft 52 through a coupling, the rotating shaft 52 horizontally extends into the paint tank 4, a plurality of rotating cylinders 53 are horizontally arranged in the paint tank 4 at equal intervals, the rotating cylinders 53 are coaxially fixed on the rotating shaft 52, an opening at one end of each rotating cylinder 53 is provided, and a plurality of centrifuge tubes 54 are connected to a side wall at the other end of each rotating cylinder 53, in the embodiment, there are two centrifuge tubes 54 and symmetrically arranged about an axis of each rotating cylinder 53, the centrifuge tubes 54 are communicated with the inside of the rotating cylinders 53, and the axis direction of each centrifuge tube 54 is perpendicular to the axis direction of each rotating cylinder 53, the rotating shaft 52 drives the centrifuge tubes 54 to rotate, so that the paint in the paint tank 4 can be uniformly stirred, and the rotating direction of each centrifuge tube is vertical, and the problem of layering of the paint components is effectively avoided;

in the rotating process of the centrifugal tube 54, the coating inside the centrifugal tube is thrown out under the action of centrifugal force, so that the hydraulic pressure in the centrifugal tube 54 is reduced, the coating in the coating box 4 can be continuously sucked through the rotating cylinder 53, a circulation flow is formed, the flowing and uniform mixing of the coating in the coating box 4 is further promoted, and the stirring efficiency is high and the effect is good.

Further, centrifuging tube 54 is the toper setting, and centrifuging tube 54 is greater than the one end opening diameter of keeping away from rotating a 53 with the one end opening diameter that rotates a 53 intercommunication, and according to the hydrodynamics principle, when centrifuging tube 54's pipe diameter reduces gradually, the velocity of flow of coating is accelerated for coating has bigger initial speed when being thrown away by centrifuging tube 54 tip.

Specifically, the drying mechanism 6 includes a worm wheel 61 rotatably connected to the inner wall of the air drying box 3, a worm 62 is rotatably connected to the air drying box 3, the worm 62 is coaxially fixed to the rotating shaft 52, the worm 62 is meshed with the worm wheel 61, a sector gear 63 is coaxially fixed to the side wall of the worm wheel 61, a swinging frame 64 is sleeved outside the sector gear 63, a tooth slot matched with the sector gear 63 is formed in the inner side wall of the swinging frame 64, when the sector gear 63 rotates, the sector gear can be periodically meshed with the tooth slots on the upper side wall and the lower side wall of the swinging frame 64 to drive the swinging frame 64 to swing in a reciprocating manner in the horizontal direction, two wedge blocks 65 are fixedly connected to both ends of the swinging frame 64, a plurality of air pipes 67 are fixed to the wedge surfaces of the wedge blocks 65 through connecting buckles 66, a spray nozzle 68 is installed at the output end of the air pipe 67, it should be noted that the included angle between the wedge surface of the wedge block 65 and the horizontal plane is 60 degrees, so that the hot air in the air duct 67 is blown to the surface coating of the iron sheet roll in an inclined direction of 60 degrees.

Further, the drying mechanism 6 further comprises a hot air blower 69 fixedly mounted at the top of the air drying box 3, three-way pipes 610 of which the number is matched with that of the air pipes 67 are arranged on the inner top surface of the air drying box 3, the output end of the hot air blower 69 is communicated with the three-way pipes 610, two communicating pipes 611 are connected to the three-way pipes 610, the two communicating pipes 611 are respectively communicated with the air pipes 67 on the two wedge-shaped blocks, and the communicating pipes 611 are corrugated hoses.

Further, the two sides of the machine table 1 are respectively provided with an iron sheet winding roller 11 and a material winding roller 12, and the iron sheet winding roller 11 and the material winding roller 12 are located on the same horizontal plane, so that the material can horizontally pass through the atomization spraying box 2 and the air drying box, a material guiding clamping roller 13 is arranged in the atomization spraying box 2, and the material guiding clamping roller 13 is used for clamping and positioning the iron sheet roll.

Further, the device comprises a vibration mechanism 7, which is used for accelerating the leveling speed of the surface coating of the iron sheet roll, wherein the vibration mechanism 7 comprises a vibration plate 71 horizontally arranged in the atomization spraying box 2, the vibration plate 71 is positioned below the material guiding clamping roller 13, the upper surface of the vibration plate 71 is fixedly connected with a plurality of vibration blocks 72, the upper end of each vibration block 72 is embedded with a ball 73, the ball 73 is in abutting contact with the lower surface of the iron sheet roll, when the iron sheet roll moves, the ball 73 rotates to reduce friction with the iron sheet roll, the side walls at two sides of the atomization spraying box 2 are fixedly connected with fixing plates 74, slide rods 75 are inserted into the fixing plates 74 in a penetrating manner, the upper ends of the slide rods 75 are fixed with the vibration plate 71, electromagnetic springs 76 are sleeved outside the slide rods 75, two ends of the electromagnetic springs 76 are respectively connected with the fixing plates 74 and the vibration plate 71, the electromagnetic springs 76 generate an induction magnetic field at the moment of electrification, and under the action of the induction magnetic field, the electromagnetic spring 76 contracts instantly, after the power is cut off, the electromagnetic spring 76 can recover the original length under the action of elastic force, the electromagnetic spring 76 is controlled to be switched on and off by the electrifying mechanism 8 arranged at the end part of the rotating shaft 52, the electromagnetic spring 76 contracts and bounces periodically, the vibrating plate 71 can be driven to vibrate up and down, the vibration is transmitted to an iron sheet roll through the vibrating block 72 and the balls 73, the leveling speed of the surface coating of the vibrating plate is accelerated, and the flatness of the coating after drying and curing is improved.

Further, the electrifying mechanism 8 comprises a dust cover 81 fixedly connected to the side wall of the atomization spraying box 2, the dust cover 81 is made of an insulating material, an insulating rotary disc 82 is arranged in the dust cover 81 in a rotating mode, one end, far away from the driving motor 51, of the rotating shaft 52 extends into the dust cover 81 and is coaxially fixed with the insulating rotary disc 82, two symmetrical conductive blocks 83 are fixed on the peripheral side wall of the insulating rotary disc 82, the conductive blocks 83 are electrically connected with the electromagnetic spring 76, two arc-shaped electric connecting plates 84 matched with the conductive blocks 83 are fixed on the inner wall of the dust cover 81, the arc-shaped electric connecting plates 84 are electrically connected with an external power supply, and when the conductive blocks 83 are in contact with the arc-shaped electric connecting plates 84, a circuit of the electromagnetic spring 76 is conducted.

Further, the inner top surface of the atomizing spraying box 2 is provided with an atomizing nozzle 21, the atomizing nozzle 21 is communicated with the inside of the coating box 4 through a high-pressure pump, and the bottom of the atomizing spraying box 2 is provided with a coating collecting groove 22.

When the device is used, one end of a material on an iron sheet winding roller is pulled out to sequentially pass through the atomizing spraying box 2 and the air drying box 3, the material is clamped and fixed by the material guiding clamping rod 13 and is finally wound by the material winding roller 12, the driving motor 51 drives the rotating shaft to rotate, the rotating shaft 52 drives the rotating cylinder 53 and the centrifugal tube 54 to synchronously rotate, so that the coating in the coating box 4 is uniformly stirred, the rotating direction of the centrifugal tube 54 is vertical, the problem of layering of components of the coating is effectively avoided, the coating in the centrifugal tube 54 is thrown out under the action of centrifugal force in the rotating process of the centrifugal tube 54, the hydraulic pressure in the centrifugal tube 54 is reduced, the coating in the coating box can be continuously sucked through the rotating cylinder 53, the reciprocating is carried out, circulation flow is formed, the flowing and uniform mixing of the coating in the coating box 4 are further promoted, the stirring efficiency is high, and the effect is good.

Meanwhile, the rotating shaft 52 drives the insulating turntable to rotate, and then drives the conductive block 83 to rotate, so that the conductive block 83 periodically rotates to the arc-shaped electric connection plate 84, a circuit of the electromagnetic spring 76 is conducted, the electromagnetic spring 76 generates an induction magnetic field at the moment of power-on, the electromagnetic spring 76 instantaneously contracts under the action of the induction magnetic field, after the power-off, the electromagnetic spring 76 can recover the original length under the action of elastic force, namely the electromagnetic spring 76 periodically contracts and bounces to drive the vibration plate 71 to vibrate up and down, and the vibration is transmitted to an iron sheet roll through the vibration block 72 and the balls 73, so that the leveling speed of surface coating of the vibration plate is accelerated, and the flatness of the coating after drying and curing is improved.

Because worm 62 and worm wheel 61 mesh, when pivot 52 drove worm 62 synchronous rotation, can drive worm wheel 61 and rotate, because worm wheel 61 and sector gear 63 synchronous fixed, then sector gear 63 synchronous rotation, be equipped with the tooth's socket that matches with sector gear 63 on the inside wall of swing frame 64, when making sector gear 63 rotate, can be periodic and swing the tooth's socket meshing on the wall of the upper and lower both sides of frame 64, drive swing frame 64 reciprocating swing on the horizontal direction, then drive tuber pipe 67 periodic swing on the horizontal direction, realize the periodic change of air-out position, be convenient for carry out even stoving to coating, and the stoving effect is more thorough.

The invention has reasonable design, controls the driving by the same driving motor 51, has close and coherent matching of the spraying and drying processes of the coating, does not need manual multi-line operation control, improves the production efficiency and reduces the production cost.

Claims

1. The coating spraying and drying equipment comprises a machine table (1), an atomizing and spraying box (2) and an air drying box (3), and is characterized in that a material guide clamping roller (13) is arranged in the atomizing and spraying box (2), a coating box (4) is arranged at the top of the atomizing and spraying box (2), a stirring mechanism (5) for stirring and uniformly mixing coating is arranged in the coating box (4), a drying mechanism (6) for heating and drying coating is arranged in the air drying box (3), and a vibrating mechanism (7) for accelerating the leveling speed of surface coating of a sheet iron roll is arranged in the atomizing and spraying box (2);

vibration mechanism (7) set up vibration board (71) in atomizing spraying case (2) including the level, just vibration board (71) are located the below of guide clamp roller (13), the last fixed surface of vibration board (71) is connected with a plurality of vibrating mass (72), ball (73) are inlayed to the upper end of vibrating mass (72), equal fixedly connected with fixed plate (74) on the lateral wall of atomizing spraying case (2) both sides, it is equipped with slide bar (75) to run through on fixed plate (74) and insert, the upper end and the vibration board (71) of slide bar (75) are fixed, slide bar (75) overcoat is equipped with electromagnetic spring (76), just the both ends of electromagnetic spring (76) are connected with fixed plate (74) and vibration board (71) respectively, electromagnetic spring (76) are by setting up the logical electric mechanism (8) control break-make-go in pivot (52) tip.

2. The paint spraying and drying device according to claim 1, characterized in that the stirring mechanism (5) comprises a driving motor (51), the output end of the driving motor (51) is connected with a rotating shaft (52) through a coupler, the rotating shaft (52) horizontally extends into the paint box (4), a plurality of rotating barrels (53) are horizontally arranged in the paint box (4) at equal intervals, the rotating barrels (53) are coaxially fixed on the rotating shaft (52), one end opening of each rotating barrel (53) is arranged, a plurality of centrifugal tubes (54) are connected to the side wall of the other end, the centrifugal tubes (54) are communicated with the inside of each rotating barrel (53), and the axial direction of the centrifugal tubes (54) is perpendicular to the axial direction of each rotating barrel (53).

3. The paint spraying and drying device according to claim 2, characterized in that the centrifugal tube (54) is arranged in a conical shape, and the diameter of the opening at one end of the centrifugal tube (54) communicated with the rotating cylinder (53) is larger than the diameter of the opening at one end far away from the rotating cylinder (53).

4. Paint spraying drying device according to claim 1, characterised in that the drying means (6) comprise a worm wheel (61) rotatably connected to the inner wall of the air drying box (3), a worm (62) is connected in the air drying box (3) in a rotating way, the worm (62) is coaxially fixed on the rotating shaft (52), the worm (62) is meshed with the worm wheel (61), a sector gear (63) is coaxially fixed on the side wall of the worm wheel (61), a swing frame (64) is sleeved outside the sector gear (63), a tooth groove matched with the sector gear (63) is arranged on the inner side wall of the swing frame (64), two ends of the swinging frame (64) are fixedly connected with two wedge-shaped blocks (65), a plurality of air pipes (67) are fixed on the wedge-shaped surface of the wedge-shaped block (65) through connecting buckles (66), and spray heads (68) are installed at the output ends of the air pipes (67).

5. The paint spraying and drying device according to claim 4, characterized in that the drying mechanism (6) further comprises a hot air blower (69) fixedly installed at the top of the air drying box (3), the inner top surface of the air drying box (3) is provided with three-way pipes (610) matched with the air pipes (67) in number, the output end of the hot air blower (69) is communicated with the three-way pipes (610), the three-way pipes (610) are connected with two communicating pipes (611), the two communicating pipes (611) are respectively communicated with the air pipes (67) on the two wedge-shaped blocks, and the communicating pipes (611) are corrugated hoses.

6. The paint spraying and drying device according to claim 1, characterized in that an iron sheet winding roller (11) and a material winding roller (12) are respectively arranged on two sides of the machine table (1), and the iron sheet winding roller (11) and the material winding roller (12) are on the same horizontal plane.

7. Paint spraying and drying apparatus according to claim 6, characterised in that the energizing means (8) comprise a dust cover (81) fixedly attached to the side wall of the spraying tank (2), an insulating rotary disc (82) is rotated in the dust cover (81), one end of the rotary shaft (52) far away from the driving motor (51) extends into the dust cover (81), and is coaxially fixed with an insulating turntable (82), two symmetrical conductive blocks (83) are fixed on the peripheral side wall of the insulating turntable (82), the conductive block (83) is electrically connected with the electromagnetic spring (76), two arc-shaped electric connection plates (84) matched with the conductive block (83) are fixed on the inner wall of the dustproof cover (81), the arc-shaped electric connection plates (84) are electrically connected with an external power supply, when the conductive block (83) is contacted with the arc-shaped electric connection plate (84), the circuit of the electromagnetic spring (76) is conducted.

8. The paint spraying and drying device according to claim 1, characterized in that the inner top surface of the atomizing spraying box (2) is provided with an atomizing nozzle (21), the atomizing nozzle (21) is communicated with the interior of the paint box (4) through a high-pressure pump, and the bottom of the atomizing spraying box (2) is provided with a paint collecting groove (22).