Automatic air gun

Abstract

The utility model relates to an automatic air gun which comprises an air gun body, the bottom of the air gun body is communicated with a coating valve body, the front end of the coating valve body is provided with a coating connector, and the rear end of the coating valve body is provided with a spray head quick replacement assembly. According to the paint spraying device, through combination of the paint valve body and the spray head rapid replacement assembly, when the spray heads need to be replaced, the motor is used for driving the multiple spray heads installed in the rotating disc to rotate, and the spray heads can be conveniently cleaned; according to the air gun body butt joint device, the nozzles needing butt joint are rotated to the positions of the air gun bodies, and the nozzles corresponding to the air gun bodies can be driven to move through the electric telescopic cylinders, so that the nozzles are in butt joint with the air gun bodies for use, rapid replacement treatment of the multiple nozzles is achieved, and manual replacement of workers is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of air gun, concretely is automatic air gun. BACKGROUND

[0002] The application of the spray gun in the industry can be directly equipped with paint, that is, a simple spray gun, or can be installed in automatic equipment, automatic glue spraying machine, automatic glue coating machine, automatic paint spraying machine, coating machine and other spraying equipment. The spray gun can be used for the surface finishing of the automobile. When the surface of the automobile is damaged, the surface can be repaired by spraying different types of paint on the damaged surface of the automobile body after pretreatment. In addition to repairing large surfaces, the paint spray gun can also be used to repair small damaged parts. Spraying is a processing method that sprays paint through a spray gun and coats the surface of an object. There are compressed air paint spraying, high-pressure airless paint spraying and electrostatic paint spraying.

[0003] According to the air spray gun spraying device disclosed in the public patent 202323166219.2, the left side of the gun body is provided with a nozzle, the bottom of the gun body is fixedly connected with a fixed block, the fixed block is square, the left side of the fixed block is fixedly connected with a connecting block, the connecting block is cylindrical, the left side wall of the connecting block is flush with the left side wall of the gun body, the left side of the connecting block is fixedly connected with a fixed disc, the fixed disc is circular, the center of the fixed disc and the connecting block is consistent, the outer end of the fixed disc is rotatably connected with a rotating disc, the rotating disc is square, the four corners of the rotating disc are fixedly connected with nozzles, the nozzles are consistent with the size of the nozzle, the nozzles are circular, the four edges of the rotating disc are provided with through grooves, the through grooves are square, and the outer end of the fixed disc is provided with a fixed groove.

[0004] However, in the application of the conventional automatic air gun, in order to match the diversified spraying requirements, it is usually necessary to replace the nozzle. However, the existing automatic air gun relies on manual operation when replacing the nozzle, which increases the time of the replacement process and reduces the work efficiency. Moreover, after the spraying operation is completed, the paint remaining in the nozzle will be solidified due to air drying, which is not only difficult to clean but also damages the internal structure of the nozzle, affecting the subsequent use performance and service life. Therefore, a new technical solution is needed to solve the problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the shortage of prior art, adapting to the actual need, providing automatic air gun, to solve the current in the application of conventional automatic air gun, in order to match the diversified spraying requirements, it is usually necessary to replace the nozzle, however, the existing automatic air gun relies on manual operation when replacing the nozzle, which increases the time of the replacement process and reduces the work efficiency. Moreover, after the spraying operation is completed, the paint remaining in the nozzle will be solidified due to air drying, which is not only difficult to clean but also damages the internal structure of the nozzle, affecting the subsequent use performance and service life.

[0006] In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that designs an automatic air gun, which comprises an air gun body, a paint valve body is communicated at the bottom of the air gun body, a paint interface is arranged at the front end of the paint valve body, and a spray head quick replacement assembly is arranged at the rear end of the paint valve body.

[0007] A supporting column is mounted at the bottom of the paint valve body, a device bottom box is fixed at the bottom of the supporting column, and a spray head cleaning assembly is arranged at the top of the device bottom box.

[0008] Preferably, the spray head quick replacement assembly comprises an electric telescopic cylinder, a moving column, a rotating disc, a circular hole, a spray head, a groove, a motor and a rotating rod.

[0009] Preferably, the electric telescopic cylinder is mounted at the rear end of the paint valve body, a moving column is connected to the rear end of the electric telescopic cylinder, a groove is formed at the rear end of the moving column, a motor is mounted in the groove, a rotating rod is connected to the rear end of the motor, and a rotating disc is fixed to the rear end of the rotating rod.

[0010] Preferably, a plurality of circular holes are formed in the surface of the rotating disc, and a plurality of spray heads are mounted in the circular holes.

[0011] Preferably, the spray head cleaning assembly comprises a water pump, a hose, a gooseneck pipe and a spraying head.

[0012] Preferably, the water pump is communicated with one side of the top of the device bottom box, one end of the hose is communicated with the top of the water pump, the other end of the hose is communicated with the spraying head, the hose is sleeved with the gooseneck pipe outside, and the gooseneck pipe is fixed with the water pump at the bottom.

[0013] Preferably, a control host is mounted at the front end of the device bottom box, water pipes are communicated with the upper and lower ends of the side of the device bottom box, and pipe covers are detachably connected to the other ends of the water pipes.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The combination of the paint valve body and the spray head quick replacement assembly can rotate the plurality of spray heads mounted in the rotating disc by the motor when the spray head needs to be replaced, rotate the spray head to be connected to the position of the air gun body, move the spray head corresponding to the air gun body by the electric telescopic cylinder, and then connect and use the spray head and the air gun body, so that the quick replacement of the plurality of spray heads is realized, manual replacement by the staff is not needed, the replacement of the spray head for matching diversified spraying operation requirements in the traditional automatic air gun application is solved, the existing automatic air gun relies on manual operation when the spray head is replaced, the time of the replacement process is increased, and the technical problem of the reduction of the work efficiency is solved.

[0016] 2. The utility model discloses a device bottom box and the combination of spray head cleaning assembly can utilize the goose neck pipe to adjust the position of the hose and the spray head and limit, the position of the spray head is aimed at the multiple spray heads on the surface of rotary disc, can utilize the spray head to flush and clean the inside of the spray head, handle the paint remaining in the inside of the spray head, cooperate rotary disc and drive multiple spray heads to rotate, can utilize the spray head to flush the inside of multiple mobile spray heads, improve the efficiency of cleaning spray head, solve the paint remaining in the inside of the spray head after the end of spraying operation often solidifies because of air drying, not only difficult to clean, and more can cause damage to the internal structure of the spray head, influence its subsequent use performance and life technical problem. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model;

[0018] Figure 2 It is recess internal structure schematic diagram of the utility model;

[0019] Figure 3 It is goose neck pipe internal structure schematic diagram of the utility model.

[0020] In the drawing: 1, device bottom box;101, support column;102, coating valve body;103, coating interface;104, air gun body;105, control host computer;106, water pipe;107, pipe cover;2, electric telescopic cylinder;201, rotary disc;202, round hole;203, spray head;204, moving column;205, recess;206, motor;207, rotating rod;3, water pump;301, goose neck pipe;302, spray head;303, hose. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples:

[0022] Example 1: automatic air gun, refer to Figures 1 to 3, including air gun body 104, air gun body 104 bottom communication has coating valve body 102, coating valve body 102 front end is equipped with coating interface 103, coating valve body 102 rear end is provided with spray head quick replacement assembly;Coating valve body 102 bottom is installed with support column 101, support column 101 bottom is fixed with device bottom box 1, the device bottom box 1 top is provided with spray head cleaning assembly, when needing to replace spray head 203, first, start electric telescopic cylinder 2, utilize its telescopic function and push the rotary disc 201 and spray head 203 connected with it to the rear end movement, to separate the original spray head 203 and the butt joint position between air gun body 104, prepare for replacing spray head 203, when the original spray head 203 and air gun body 104 are successfully separated, start motor 206, motor 206 starts to work, will drive rotary rod 207 to rotate, because rotary rod 207 is connected with rotary disc 201 and multiple spray heads 203 installed on it, therefore rotary rod 207 will drive the whole rotary disc 201 and spray head 203 combination to rotate, by controlling the rotation angle of motor 206, can rotate the specific spray head 203 position needing replacement to the butt joint position alignment with air gun body 104, when the target spray head 203 and the butt joint position of air gun body 104 are aligned, start electric telescopic cylinder 2 again, electric telescopic cylinder 2 will drive the movement column 204 (the movement column 204 is connected with rotary disc 201) to the front end movement, with the advance of movement column 204, rotary disc 201 and target spray head 203 will also approach air gun body 104 accordingly, and finally realize the butt joint with air gun body 104, after butt joint is completed, connect the external spray delivery pipeline with coating interface 103, so that the coating enters into air gun body 104 inside through coating valve body 102, sprays out through the spray head 203 of air gun body 104 butt joint, solve the technical problem that in the traditional automatic air gun application, in order to match the diversified spray job requirements, usually need to replace spray head 203, however, when replacing spray head 203, the existing automatic air gun relies on manual operation, increases the time of replacement process, reduces the work efficiency.

[0023] Specifically, refer to Figure 1 And Figure 2 , spray head quick replacement assembly includes electric telescopic cylinder 2, movement column 204, rotary disc 201, round hole 202, spray head 203, recess 205, motor 206, rotary rod 207.

[0024] Further, refer to Figure 2 Electric telescopic cylinder 2 is installed at the rear end of coating valve body 102, electric telescopic cylinder 2 rear end is connected with movement column 204, movement column 204 rear end is provided with recess 205, recess 205 inside is installed with motor 206, motor 206 rear end is connected with rotary rod 207, rotary rod 207 rear end is fixed with rotary disc 201.

[0025] It is worth mentioning that, see Figure 1 , the surface of the rotating disc 201 is provided with a plurality of round holes 202, and a plurality of spray heads 203 are installed in the plurality of round holes 202.

[0026] It is worth noting that, see Figure 1 and Figure 3 , the spray head cleaning assembly comprises a water pump 3, a hose 303, a gooseneck pipe 301 and a spray head 302.

[0027] It is worth mentioning that, see Figure 1 and Figure 3 , the water pump 3 is communicated with one side of the top of the device bottom box 1, one end of the hose 303 is communicated with the top of the water pump 3, the other end of the hose 303 is communicated with the spray head 302, the gooseneck pipe 301 is sleeved outside the hose 303, and the water pump 3 is fixed at the bottom of the gooseneck pipe 301. When it is necessary to process the paint remaining in the spray head 203, the water pump 3 can be opened, the water in the device bottom box 1 is pumped out by the water pump 3, the water is input into the hose 303, the water is input into the spray head 302 through the hose 303, and the paint remaining in the spray head 203 is washed. Because the gooseneck pipe 301 is sleeved outside the hose 303, the position of the hose 303 and the spray head 302 can be bent by the gooseneck pipe 301, so that the position of the spray head 302 is moved towards the surface of the rotating disc 201. After the movement is completed, the plurality of spray heads 203 installed in the rotating disc 201 are rotated by the motor 206. The plurality of spray heads 203 can be continuously washed by the spray head 302, so that the plurality of spray heads 203 can be cleaned at the same time. The paint remaining in the spray head 203 after the spraying operation is completed is often cured due to air drying, which is not only difficult to clean, but also causes damage to the internal structure of the spray head 203, affecting the subsequent use performance and service life.

[0028] It is worth emphasizing that, see Figure 1 , the control host 105 is installed at the front end of the device bottom box 1, the water pipes 106 are communicated with the upper and lower ends of the side of the device bottom box 1, and the other end of the water pipe 106 is detachably connected with the pipe cover 107.

[0029] In use, first, the electric telescopic cylinder 2 is started, and the telescopic function is used to push the rotary disc 201 and the spray head 203 connected thereto to move to the rear end, so that the original butt joint position between the spray head 203 and the air gun body 104 is separated, and preparation for replacing the spray head 203 is made; when the original spray head 203 and the air gun body 104 are successfully separated, the motor 206 is started, and after the motor 206 starts to work, the rotary rod 207 is driven to rotate; since the rotary rod 207 is connected with the rotary disc 201 and the plurality of spray heads 203 installed thereon, the rotary rod 207 will drive the entire rotary disc 201 and the spray head 203 combination to rotate; by controlling the rotation angle of the motor 206, the specific spray head 203 to be replaced can be rotated to the butt joint position of the air gun body 104; when the target spray head 203 is aligned with the butt joint position of the air gun body 104, the electric telescopic cylinder 2 is started again, and the electric telescopic cylinder 2 drives the moving column 204 (the moving column 204 is connected with the rotary disc 201) to move to the front end; with the advancement of the moving column 204, the rotary disc 201 and the target spray head 203 will also approach the air gun body 104 accordingly, and finally achieve butt joint with the air gun body 104; after the butt joint is completed, the external spraying delivery pipeline is connected with the paint interface 103, so that the paint enters the air gun body 104 through the paint valve body 102, and is sprayed through the spray head 203 connected with the air gun body 104; when the paint remaining in the spray head 203 needs to be treated, the water pump 3 can be opened, water in the device bottom box 1 is pumped out through the water pump 3, and the water is input into the hose 303 and then into the spraying head 302 through the hose 303, so as to flush the paint remaining in the spray head 203; since the goose neck pipe 301 is sleeved outside the hose 303, the position of the hose 303 and the spraying head 302 can be bent through the goose neck pipe 301, so as to move the position of the spraying head 302 towards the surface of the rotary disc 201; after the movement is completed, the plurality of spray heads 203 installed in the rotary disc 201 are rotated through the motor 206, and the spraying head 302 can be used to continuously flush the rotating plurality of spray heads 203, so as to clean the plurality of spray heads 203 at the same time.

[0030] In addition, the components designed in the utility model are all general standard components or components known by those skilled in the art, the structure and principle of which can be known by the technical personnel through a technical manual or through a conventional experimental method, and the technical personnel in the art can completely realize it without further description; the content protected by the utility model does not involve improvement of the internal structure and method.

[0031] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. Automatic air gun comprising an air gun body (104), characterized in that, The air gun body (104) bottom is communicated with paint valve body (102), the paint valve body (102) front end is equipped with paint interface (103), the paint valve body (102) rear end is provided with spray head quick replacement assembly; The paint valve body (102) bottom is installed with support column (101), the support column (101) bottom is fixed with device bottom box (1), the device bottom box (1) top is provided with spray head cleaning assembly.

2. The automatic air gun of claim 1, wherein, The spray head quick replacement assembly includes electric telescopic cylinder (2), moving column (204), rotating disc (201), round hole (202), spray head (203), groove (205), motor (206), rotating rod (207).

3. The automatic air gun of claim 2, wherein, The electric telescopic cylinder (2) is installed at the rear end of the paint valve body (102), the electric telescopic cylinder (2) rear end is connected with moving column (204), the moving column (204) rear end is provided with groove (205), the groove (205) is internally installed with motor (206), the motor (206) rear end is connected with rotating rod (207), the rotating rod (207) rear end is fixed with rotating disc (201).

4. The automatic air gun of claim 2, wherein, The rotating disc (201) surface is provided with a plurality of round holes (202), and a plurality of round holes (202) are internally installed with spray head (203).

5. The automatic air gun of claim 1, wherein, The spray head cleaning assembly includes water pump (3), hose (303), goose neck pipe (301) and spray head (302).

6. The automatic air gun of claim 5, wherein, The water pump (3) is communicated on one side of the top of the device bottom box (1), one end of the water pump (3) is communicated with the hose (303), the other end of the hose (303) is communicated with the spray head (302), the hose (303) is externally sleeved with the goose neck pipe (301), and the water pump (3) is fixed at the bottom of the goose neck pipe (301).

7. The automatic air gun of claim 1, wherein, The device bottom box (1) front end is installed with control host (105), the device bottom box (1) side upper and lower ends are communicated with water pipe (106), the other end of the water pipe (106) is detachably connected with pipe cover (107).

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