CN210496978U

CN210496978U - Spray gun cleaning device

Info

Publication number: CN210496978U
Application number: CN201921388976.5U
Authority: CN
Inventors: 苏亚杰
Original assignee: Jiangsu Sanfeng Robot Co Ltd
Current assignee: Jiangsu Sanfeng Robot Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-12
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a spray gun cleaning device, which comprises a wall-hanging cleaning box body, wherein the upper end of the cleaning box body is provided with a discharge hole; the left partition and the right partition in the cleaning box body are provided with a blowing chamber and a cleaning chamber, a blowing piece is arranged in the blowing chamber, and a cavity channel for completely placing a spray gun is arranged on the blowing piece; a circulation cavity and a washing device are arranged in the cleaning cavity, and an opening at the upper end of the circulation cavity is communicated with the cleaning cavity; cleaning liquid is filled in the cleaning cavity, and the circulating cavity and the brush in the brushing device are immersed in the cleaning liquid; the spray nozzle of the spray gun corresponds to the upper end opening of the circulating cavity, so that the fluid sprayed by the spray gun flows into the circulating cavity. Through the design of the circulating cavity, high-speed fluid sprayed by the spray gun is guided into the circulating cavity, so that severe disturbance to cleaning fluid and liquid sputtering are avoided, further solvent atomization is avoided, and VOC emission is reduced; the use of the upper cavity channel of the blowing piece avoids the outward diffusion of the solvent, has good use effect and reduces air pollution.

Description

Spray gun cleaning device

Technical Field

The utility model relates to a spraying equipment technical field especially relates to a spray gun belt cleaning device for self-cleaning automatic spray gun.

Background

The universal automatic spray gun controls the switch of the spray gun through ventilation, a large amount of paint can be remained in an inner flow passage of the spray gun after the spray gun sprays paint, and in addition, a spray gun body of the spray gun can be stained with the paint, so that the spray gun needs to be cleaned as soon as possible after the spray gun is used. If the spray gun is not cleaned in time after being used, paint remained in the flow passage and the nozzle opening can be solidified, the cleaning difficulty of the spray gun can be increased, the spray gun can be damaged, and the service life of the spray gun is shortened. If the spray gun is not cleaned completely and residual paint is left in the spray gun, the next painting effect of the spray gun can be influenced, so that the cleaning process of the spray gun is very important.

At present, the spray gun is cleaned by manually brushing or soaking in a traditional method, the method is time-consuming and labor-consuming, the solvent is sprayed out of a barrel, and the solvent is atomized to cause air pollution.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a spray gun cleaning device, which reduces air pollution.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a spray gun cleaning device comprises a wall-mounted cleaning box body, wherein a discharge hole is formed in the upper end of the cleaning box body; the method is characterized in that: the cleaning box is characterized in that a blowing chamber and a cleaning chamber are arranged on the left and right partitions in the cleaning box body, a blowing piece communicated with an external air source is arranged in the blowing chamber, a cavity for completely placing a spray gun is arranged on the blowing piece, and blowing ports communicated with the external air source are distributed in the cavity;

a circulating cavity and a washing device are arranged in the cleaning cavity, and an opening at the upper end of the circulating cavity is communicated with the cleaning cavity; cleaning liquid is filled in the cleaning cavity, and the circulating cavity and the brush in the brushing device are immersed in the cleaning liquid; the spray nozzle of the spray gun corresponds to the upper end opening of the circulating cavity, so that the fluid sprayed by the spray gun flows into the circulating cavity.

Preferably, the brushing device comprises a brush, a rotating shaft and a pneumatic motor, and the pneumatic motor drives the brush to rotate through the rotating shaft.

Preferably, the circulation cavity is of a horn-shaped structure with a small upper part and a wide lower part, an opening at the upper end of the circulation cavity corresponds to the jet orifice of the spray gun, openings at the lower end of the circulation cavity are distributed at intervals with the bottom of the cleaning cavity, and the circulation cavity is fixed in the cleaning cavity through a support piece. Thus, the airflow sprayed from the spray gun is decelerated and diffused in the horn-shaped circulating cavity, and the disturbance of the cleaning liquid in the cleaning cavity is reduced.

Preferably, the lower end of the cleaning box body is provided with a drain pipe communicated with the blowing chamber and the cleaning chamber, a drain outlet is formed in the drain pipe, and switch valves are arranged on the drain pipes on two sides of the drain outlet.

Preferably, the cavity is of a U-shaped structure, and the central line of the cavity is horizontally distributed, so that the solvent on the surface of the spray gun is prevented from being blown away outwards and falling outside the blowing chamber when the blowing part blows air.

Preferably, a high-pressure spray gun head is arranged in the cleaning chamber and provides a function of spraying and cleaning the surface of the spray gun.

Compared with the prior art, the utility model has the advantages that through the design of the circulating cavity, the high-speed fluid sprayed out by the spray gun is guided into the circulating cavity, so that the severe disturbance to the cleaning fluid is avoided, the liquid sputtering phenomenon is generated, further, the solvent atomization is avoided, and the VOC emission is reduced; the use of the upper cavity of the blowing piece avoids the outward diffusion of the solvent; the whole using effect is good, and air pollution can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

In the figure:

1, cleaning a box body; 2-mounting a base; 3-a blowing chamber; 4-cleaning the chamber; 5-a blowing piece; 6, an air inlet pipe; 7-air interface; 8-cavity channel; 9-a circulation chamber; 10-a brush; 11-a rotating shaft; 12-a pneumatic motor; 13-a reducer; 14-a reducer mounting seat; 15-high pressure spray gun head; 16-a sewage draining pipe; 17-a sewage draining outlet; 18-switch valve.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to fig. 1 and 2, the spray gun cleaning device in the embodiment includes a wall-mounted cleaning box body 1, and mounting seats 2 are provided at two sides of the cleaning box body 1 for mounting the cleaning box body 1 in a hanging manner. The upper end of the cleaning box body 1 is provided with a discharging hole, the cleaning box body 1 is internally provided with a blowing chamber 3 and a cleaning chamber 4 in an isolated mode, and a worker can place a part to be cleaned (a spray gun) into the blowing chamber 3 and the cleaning chamber 4 from the discharging hole. When necessary, a cover plate can be hinged at the discharge port through a hinge to open or close the discharge port.

The blowing chamber 3 is internally provided with a blowing piece 5, the inner cavity of the blowing piece 5 is arranged on the side wall of the blowing piece 5, an air inlet communicated with the cavity is arranged on the side wall of the blowing piece 5, the air inlet is connected with one end of an air inlet pipe 6, the other end of the air inlet pipe 6 extends out of the blowing chamber 3 and is exposed outside the cleaning box body 1, and an air interface 7 communicated with an external air source (high-pressure pump) is formed. The blowing piece 5 is provided with a cavity channel 8 for completely placing the spray gun, and blowing ports communicated with an internal cavity of the cavity channel 8 are distributed in the cavity channel 8. In this embodiment, the cavity 8 is a U-shaped structure, and the central line of the cavity is horizontally distributed, so as to prevent the solvent on the surface of the spray gun from being blown away and falling outside the blowing chamber 3 when the blowing part 5 blows air.

And a circulating cavity 9 and a brushing device are arranged in the cleaning cavity. In this embodiment, the washing and brushing device is centrally disposed in the cleaning chamber 4, and two circulation chambers 9 are disposed at two sides of the washing and brushing device.

The brushing means comprises a brush 10, a rotating shaft 11 and an air motor 12. In this embodiment, a speed reducer 13 is installed on the pneumatic motor 12, an output shaft of the speed reducer 13 is fixedly connected to one end of the rotating shaft 11 through a coupling, the other end of the rotating shaft 11 extends into the cleaning chamber 4, and the brush 10 is arranged on the rotating shaft 11 located in the cleaning chamber 4, so that the pneumatic motor 12 drives the rotating shaft 11 to drive the brush 10 to rotate. The speed reducer 13 is mounted on a speed reducer mounting seat 14, and the speed reducer mounting seat 14 is fixed on the cleaning box body 1. A waterproof bearing is arranged between the rotating shaft 11 and the cleaning box body 1, so that liquid in the cleaning box body 1 is prevented from flowing out from a gap between the rotating shaft 11 and the cleaning box body 1.

The two circulation chambers 9 in this embodiment have the same structure, and thus will be explained together. An opening at the upper end of the circulating cavity 9 is communicated with the cleaning cavity 4, when the washing device is used, cleaning liquid is filled in the cleaning cavity 4, and the circulating cavity 9 and a brush 10 in the washing device are immersed in the cleaning liquid; the spray nozzle of the spray gun corresponds to the upper end opening of the circulation cavity 9, so that the fluid sprayed by the spray gun flows into the circulation cavity. Since there are two circulation chambers 9, two spray guns can be disposed of at a time. In this embodiment, the circulation cavity 9 is a horn-shaped structure with a small upper part and a wide lower part, an opening at the upper end of the circulation cavity corresponds to the jet orifice of the spray gun, openings at the lower end of the circulation cavity are distributed at intervals with the bottom of the cleaning chamber 4, and the circulation cavity 9 is fixed in the cleaning chamber 4 through a support member. Like this from the air current of spraying in the spray gun speed reduction, diffusion in tubaeform circulation intracavity, alleviate the disturbance to washing liquid in the washing chamber, avoid causing violent disturbance to the washing liquid, liquid sputtering phenomenon appears, and then avoid solvent atomization, reduce VOC and discharge.

In this embodiment, the lower end of the cleaning box body 1 is provided with a blow-off pipe 16 communicated with the blowing chamber 3 and the cleaning chamber 4, the blow-off pipe 16 is provided with a blow-off port 17, and the blow-off pipes 16 at two sides of the blow-off port 17 are provided with switch valves 18 for discharging the liquid in the blowing chamber 3 and the cleaning chamber 4 respectively.

In this embodiment, a high-pressure spray gun head 15 is also provided in the cleaning chamber 4, and the high-pressure spray gun head 15 is connected to an external air source (high-pressure pump) to perform a function of cleaning the surface of the spray gun by blowing.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A spray gun cleaning device comprises a wall-mounted cleaning box body, wherein a discharge hole is formed in the upper end of the cleaning box body; the method is characterized in that: the cleaning box is characterized in that a blowing chamber and a cleaning chamber are arranged on the left and right partitions in the cleaning box body, a blowing piece communicated with an external air source is arranged in the blowing chamber, a cavity for completely placing a spray gun is arranged on the blowing piece, and blowing ports communicated with the external air source are distributed in the cavity;

2. A spray gun cleaning device as claimed in claim 1, in which: the brushing device comprises a brush, a rotating shaft and a pneumatic motor, and the pneumatic motor is connected with and drives the brush to rotate through the rotating shaft.

3. A spray gun cleaning device as claimed in claim 1, in which: the circulating cavity is of a horn-shaped structure with a small upper part and a wide lower part, an opening at the upper end of the circulating cavity corresponds to the jet orifice of the spray gun, openings at the lower end of the circulating cavity are distributed at intervals with the bottom of the cleaning cavity, and the circulating cavity is fixed in the cleaning cavity through a supporting piece.

4. A spray gun cleaning device as claimed in claim 1, in which: the lower end of the cleaning box body is provided with a drain pipe communicated with the blowing chamber and the cleaning chamber, a drain outlet is formed in the drain pipe, and switch valves are arranged on the drain pipes on two sides of the drain outlet.

5. A spray gun cleaning device as claimed in claim 1, in which: the cavity is in a U-shaped structure, and the center lines of the cavity are horizontally distributed.

6. A spray gun cleaning device as claimed in claim 1, in which: and a high-pressure spray gun head is arranged in the cleaning cavity.