CN1986082A - Automatic lacquer spraying system for surface of rotating body - Google Patents

Abstract

The present invention relates to a kind of automatic lacquer spraying system for the surface of rotating body, especially large rotating body. The automatic lacquer spraying system includes a spray booth, a bearing bogie inside the spray booth, a supporting and rotating device on the bogie, a spray gun moving mechanism, a cantilever bracket extending from the spray gun moving mechanism, an automatic spray gun connected to the cantilever bracket, and a pressure lacquer source connected via pipeline to the automatic spray gun. The present invention has the advantages of automatic operation, high coating quality, high production efficiency, safe and environment friendly operation condition, etc.

Description

Rotary external surface automatic painting system

technical field

The invention relates to a system for automatically spraying paint on the outer surface of a revolving body, especially a medium and large revolving body.

Background technique

The outer surface of the existing revolving body, especially the medium and large revolving body, is mostly sprayed manually, with only some scattered auxiliary equipment and facilities. Workers wear protective clothing and gas masks, and use pneumatic manual paint spray guns. Working in the airtight spray booth of the ventilation device, not only the working environment is poor, the labor intensity of the workers is high, but also the uniformity and thickness of the sprayed paint layer are difficult to control, and it is impossible to quickly switch between different paints, which affects the production efficiency and product quality. Serious impact.

Contents of the invention

The technical problem to be solved by the present invention is to provide an automatic paint spraying system for the external surface of a rotary that is safe, environmentally friendly, automatic in operation, high in spraying efficiency and of good quality in view of the above-mentioned deficiencies in the prior art.

The technical scheme designed by the present invention to solve the above-mentioned problems is as follows: comprising a paint spraying room 4, a carrying car 6 is installed on the ground of the spraying room, a supporting rotating device 1 is arranged on the carrying car, and a supporting rotating device is installed on the upper side of the supporting rotating device. A spray gun traveling mechanism 2 is provided, and a downwardly protruding cantilever bracket is arranged on the spray gun traveling mechanism. An automatic spray gun 29 is connected to the cantilever support, and the automatic spray gun communicates with a pressure paint source through a pipeline.

According to the above solution, the spray booth is provided with an air circulation device.

According to the above solution, the spray gun traveling mechanism 2 includes a guide rail beam 16 and a traveling trolley 17 configured with the guide rail beam.

According to the above solution, the supporting and rotating device 1 includes a roller frame installed at both ends of the vehicle frame, two rollers spaced apart are arranged on the roller frame, and the rollers are connected with the driving device through a tire belt.

According to the above scheme, the pressure paint source is a high-pressure airless paint spraying device 3 .

The working process of the present invention is as follows: place the rotator to be processed on the supporting rotating device on the carrying car, and before starting the painting operation, turn on the high-pressure airless painting device and the air circulation device, and form a top-down The airflow and micro-negative pressure, the rotary body rotates under the drive of the roller, when the rotary body turns over a certain angle, it stops, the spray gun travel mechanism starts, and the spray gun is driven to reciprocate spraying along the axis of the rotary body. After spraying a fan, The rotary body stops after rotating again, and then sprays, and so on, until the rotary body finishes spraying. When another paint needs to be sprayed, the paint can be quickly switched through the color change valve in the pipeline.

The beneficial effects of the present invention are as follows: 1. High degree of automation, fast switching between different coatings, easy operation, not only greatly reducing labor intensity, but also greatly improving the working environment by isolating operators from the scene; 2. Spraying The paint layer is uniform and the surface quality is good, which not only improves the quality of the painting process, but also effectively improves the production efficiency. The working environment is safe and environmentally friendly, and it can realize automatic painting on the outer surface of various large and medium-sized rotary bodies.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

Fig. 2 is a right side view of Fig. 1 .

Fig. 3 is an enlarged view of the structure of the carrying vehicle and the supporting rotating device in Fig. 1 .

Fig. 4 is a front structural view of the traveling mechanism of the spray gun in Fig. 1 .

Fig. 5 is a side structural view of the traveling mechanism of the spray gun in Fig. 1 .

Detailed ways

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

It includes a paint spraying room 4 with a rectangular ground. The paint spraying room is a closed room with a door 31 at the end and an observation window 32 on the door. A micro-pressure detector 33 and a combustible gas alarm 34 are installed in the paint spraying room 4. It is used to detect the pressure and the concentration of combustible gas in the spray booth. The ground of the spray booth is equipped with a load-carrying vehicle 6, which is placed on a horizontal track 7, and a supporting and rotating device 1 is arranged on the supporting vehicle, and the supporting and rotating device includes roller frames 9 installed at both ends of the supporting vehicle frame. , two spaced rollers 13 are arranged on the roller frame, and the rollers are connected with the driving device through the synchronous toothed belt 15, and the driving device includes the driving gear 10 and the transition gear 11 connected with the explosion-proof motor 14 and The tension pulley 12 installed on the outside of the synchronous toothed belt, the synchronous toothed belt 15 meshes with the driving gear 10, the transition gear 11 and two rollers 13 and runs through it, and the roller frame 9 and the rollers at both ends of the carrying vehicle The structure is symmetrical, and the driving gears at both ends are connected by a coupling 8; the processed rotary part rests on the four rollers at both ends and the synchronous toothed belt 15, and the synchronous toothed belt is stretched under the action of the gravity of the rotary. Tight, and further adjusted by the tension wheel 12, to drive the rotary body to rotate. One side above the supporting rotating device is equipped with a spray gun traveling mechanism 2, and the described spray gun traveling mechanism includes a guide rail beam 16 and a walking trolley 17 configured with the guide rail beam. The guide rail beam is a rectangular equal-section beam, and the top surface and Guide rails are arranged on both sides, and a rack 19 is installed along the longitudinal direction of the guide rail beam below, and a walking trolley is arranged on the guide rail beam. The two sides of the frame are equipped with limit rollers 26 to match the guide rails on both sides of the guide rail beam. The lower ends of the frame are equipped with a driving gear 23 and a driven gear 24, which are meshed with the rack 19. Driving gear 23 links to each other with explosion-proof drive motor 21 by transmission belt 22; Walking trolley 17 bottoms are provided with the cantilever support 18 that protrudes downwards, and automatic spray gun 29 is connected on the cantilever support, and automatic spray gun is communicated with pressure paint source by pipeline 30, described The pressure paint source is a high-pressure airless paint spraying device 3. The high-pressure airless paint spraying device is composed of a high-pressure airless pump group 27, a color-changing valve 28, an automatic spray gun 29 and a pipeline 30. The high-pressure airless pump group 27 and the color-changing valve 28 are installed on the Outside the painting booth 4, the pipeline 30 extends into the painting booth 4 and is connected with the automatic spray gun 29. The high-pressure airless pump unit 27 provides power for the painting operation, and the color change valve 28 is used for the automatic spray gun 29 to switch between different paints. The paint spraying room is equipped with an air circulation device, and the air circulation device 5 is composed of a blower fan 35, an exhaust fan 36, a filter screen 37 and an air duct 38, and the blower fan 35 and the exhaust fan 36 are respectively arranged on the top and At the bottom, the air duct 38 extends into the spray booth 4, and the filter screen 37 is laid on the top and bottom of the spray booth 4.

The working process of this embodiment is as follows: the revolving body is placed on the toothed belt rotating carrier car 6, the synchronous toothed belt 15 is tensioned under the force of the revolving body, the door 31 of the spray booth 4 is opened, and the toothed belt is rotated and carried Car 1 advances the paint spraying room 4 along the horizontal track 7, closes the door 31, and opens the high-pressure airless paint spraying device 3 and the air circulation device 5 before starting the painting operation, forming a top-down airflow and a slight negative pressure in the paint spraying room, Start the explosion-proof motor 14 on the toothed belt rotating carrier 6, the revolving body rotates under the drive of the synchronous toothed belt 15 and the roller 13, when the revolving body turns over a certain angle and stops, the explosion-proof motor 21 on the spray gun traveling mechanism 2 starts , the walking trolley 17 moves horizontally along the guide rail beam 16, and drives the automatic spray gun 29 to carry out reciprocating spraying along the axis of the rotary body. For the spraying of a kind of paint, when another kind of paint needs to be sprayed, the color change valve 28 works and completes the switching of the paint, and then the spraying operation is carried out. 35 and exhaust fan 36 work all the time, combustible gas is discharged outside after filter screen 37 is filtered.

Claims (10)

1. An automatic paint spraying system for the outer surface of a rotary body, comprising a paint spray booth (4), characterized in that a load-carrying vehicle (6) is installed on the ground of the paint-spray room, and a supporting rotating device (1) is arranged on the supporting vehicle, and the supporting rotating device The upper side of the spray gun travel mechanism (2) is installed, and the cantilever support that protrudes downwards is set on the spray gun travel mechanism, and the automatic spray gun (29) is connected on the cantilever support, and the automatic spray gun is connected with the pressure paint source by pipeline. 2. The automatic paint spraying system for the external surface of the revolving body according to claim 1, characterized in that said paint spray booth is provided with an air circulation device. 3. According to claim 1 or 2, the automatic painting system for the external surface of the revolving body is characterized in that the traveling mechanism of the spray gun includes a guide rail beam (16) and a traveling trolley (17) configured with the guide rail beam. 4. According to claim 1 or 2, the automatic paint spraying system for the external surface of the revolving body is characterized in that the supporting and rotating device (1) includes roller frames (9) installed at both ends of the vehicle frame, and the roller frames Two spaced rollers (13) are installed on the top, and the rollers are connected with the driving device through tire belts. 5. According to claim 1 or 2, the automatic paint spraying system for the outer surface of the revolving body is characterized in that the pressure paint source is a high-pressure airless paint spraying device (3). 6. The automatic painting system for the outer surface of the revolving body according to claim 1 or 2, characterized in that the paint spraying room is a closed room body, the end is provided with a door (31), and the door is provided with an observation window (32). A micro-pressure detector (33) and a combustible gas alarm (34) are arranged inside. 7. According to claim 1 or 2, the automatic paint spraying system for the external surface of the revolving body is characterized in that the supporting and rotating device includes roller frames (9) installed at both ends of the vehicle frame, and the roller frames are installed Two spaced rollers (13) are arranged, and the rollers are connected with the drive device through a synchronous toothed belt (15), and the drive device includes a driving gear (10) connected to an explosion-proof motor (14) and a transition gear ( 11) and the tension pulley (12) installed on the outside of the synchronous toothed belt, the synchronous toothed belt meshes with the driving gear, the transition gear and two rollers and runs through it, and the roller frames and rollers at both ends of the carrying car The structure is symmetrical, and the driving gears at both ends are connected by a shaft coupling (8). 8. The automatic painting system for the external surface of the revolving body according to claim 3, characterized in that the guide rail beam is a rectangular equal-section beam, the top surface and both sides are provided with guide rails, and the bottom is arranged along the longitudinal direction of the guide rail beam. Rack (19), configuration walking dolly on the guide rail beam, walking dolly (17) comprises frame (20), and the top two ends of frame are equipped with carrying roller (25) and the guide rail phase configuration of guide rail beam top surface, the two sides of frame Limiting rollers (26) are installed on the side and up and down to match the guide rails on both sides of the guide rail beam, and the lower ends of the frame are equipped with driving gears (23) and driven gears (24), which are meshed with the rack (19). Driving gear (23) links to each other with explosion-proof driving motor (21) by transmission belt (22). 9. The automatic paint spraying system for the outer surface of the revolving body according to claim 5, characterized in that the high-pressure airless paint spraying device (3) consists of a high-pressure airless pump group (27), a color changing valve (28), an automatic spray gun (29) and a pipe Road (30), the high-pressure airless pump set (27) and the color change valve (28) are installed outside the paint spray booth, the pipeline extends into the paint spray booth (4) and is connected with the automatic spray gun (29), the high-pressure airless pump set ( 27) Provide power for the painting operation, and the color changing valve is used for the automatic spray gun 9 to switch between different paints. 10. The automatic paint spraying system for the outer surface of the revolving body according to claim 2, characterized in that the air circulation device (5) consists of a blower fan (35), an exhaust fan (36), a filter screen (37) and an air duct (38) Composition, blower fan and exhaust fan are respectively arranged on the top and the bottom outside the spray booth (4), the air duct (38) extends into the spray booth, and the filter screen is laid on the top and bottom in the spray booth.

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