CN216368517U

CN216368517U - Oil way control device for sprayer

Info

Publication number: CN216368517U
Application number: CN202120805964.9U
Authority: CN
Inventors: 杨建伟; 郭成
Original assignee: Dongguan Qibrothers Spraying Equipment Technology Co ltd
Current assignee: Dongguan Qibrothers Spraying Equipment Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-04-26
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to the technical field of sprayers, in particular to an oil way control device for a sprayer, which comprises a coating supply valve and a return valve, wherein the coating supply valve is provided with a coating supply control air way end and a coating supply end, the return valve is provided with a return input end, a return output end and a return control air way end, the return input end is communicated with the coating supply end through the coating supply valve, the coating supply control air way end is used for driving a valve core of the coating supply valve to move so as to control the communication between a main flow passage of the sprayer and the coating supply end, and the return control air way end is used for driving the valve core of the return valve to move so as to control the communication between the return input end and the return output end. The utility model has simple structure, and is convenient for controlling the oil circuit of the sprayer, thereby being convenient for supplying and refluxing the coating.

Description

Oil way control device for sprayer

Technical Field

The utility model relates to the technical field of sprayers, in particular to an oil way control device for a sprayer.

Background

With the understanding and treatment of environmental protection in countries around the world, particularly China, the paint technology gradually transits from the use of oil paint types to the use of paint types with less harm to the environment in recent decades. Along with the improvement of aesthetic requirements of human beings on the surface of products, the technology of the coating machine in the surface treatment coating industry is also improved, and a rotary cup coating device is produced. The rotary cup sprayer has been one of the tools with higher painting rates in spray tools. However, the oil path of the existing sprayer is only used for simply supplying the coating, and the coating cannot be refluxed. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned technical problems, an object of the present invention is to provide an oil path control device for an applicator.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an oil way control device for an sprayer comprises a paint supply valve and a return valve, wherein the paint supply valve is provided with a paint supply control air way end and a paint supply end, the return valve is provided with a return input end, a return output end and a return control air way end, the return input end is communicated with the paint supply end through the paint supply valve, the paint supply control air way end is used for driving a valve core of the paint supply valve to move so as to control the communication between a main flow passage of the sprayer and the paint supply end, and the return control air way end is used for driving the valve core of the return valve to move so as to control the communication between the return input end and the return output end.

Further, a paint air supply pipe is connected to the paint supply control air path end.

Further, the coating material supply end is connected with a coating material supply pipe.

Further, the backflow output end is connected with a backflow pipe.

Furthermore, the backflow control gas path end is connected with a backflow gas supply pipe.

The utility model has the beneficial effects that: at the beginning, the main flow channel is not communicated with the coating supply end, and the backflow input end is not communicated with the backflow output end; in practical application, when the paint needs to be supplied to a main flow passage of the sprayer, the gas supply device supplies gas into the paint supply valve through the paint supply control gas path end, so that a valve core of the paint supply valve moves, the main flow passage is communicated with the paint supply end, and the paint flows to the main flow passage through the paint supply end to realize the supply of the paint; when the coating needs to be refluxed, the valve core of the coating supply valve blocks the communication between the main flow channel and the coating supply end, the gas supply device supplies gas into the reflux valve through the reflux control gas path end, the valve core of the reflux valve moves, the reflux input end is communicated with the reflux output end, and the coating output by the coating supply end flows to the reflux output end through the coating supply valve and the reflux input end in sequence, so that the coating is refluxed. The utility model has simple structure, and is convenient for controlling the oil circuit of the sprayer, thereby being convenient for supplying and refluxing the coating.

Drawings

FIG. 1 is a first cross-sectional view of the present invention applied to a sprayer.

FIG. 2 is a second cross-sectional view of the present invention applied to a sprayer.

Fig. 3 is a cross-sectional view three of the sprayer of the present invention.

Description of reference numerals:

22. a main flow channel; 31. a paint supply valve; 32. a reflux valve; 33. a paint supply control gas path end; 34. a paint supply end; 35. a reflux input terminal; 36. a reflux output end; 37. a reflux control gas circuit end; 38. a paint gas supply pipe; 39. a coating supply pipe; 391. a return pipe; 392. the gas supply pipe is refluxed.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 3, the present invention provides an oil path control device for an applicator, which includes a paint supply valve 31 and a return valve 32, the paint supply valve 31 is provided with a paint supply control gas line end 33 and a paint supply end 34, the return valve 32 is provided with a return input terminal 35, a return output terminal 36 and a return control gas line terminal 37, the return input end 35 communicates with the paint supply end 34 via the paint supply valve 31, the paint supply control gas path end 33 is used for driving the valve core of the paint supply valve 31 to move to control the communication between the main flow passage 22 of the sprayer and the paint supply end 34, the return control line 37 is used to drive the spool of the return valve 32 to move to control the return input 35 to communicate with the return output 36, the paint supply control gas path end 33 and the backflow control gas path end 37 are both connected with a gas supply device, and the backflow input end 35 and the paint supply end 34 are in a normally open state.

At the beginning, the main flow passage 22 is not communicated with the coating material supply end 34, and the backflow input end 35 is not communicated with the backflow output end 36; in practical applications, when the paint needs to be supplied to the main flow passage 22 of the sprayer, the gas supply device supplies gas into the paint supply valve 31 through the paint supply control gas path end 33, so that the valve core of the paint supply valve 31 moves, so that the main flow passage 22 is communicated with the paint supply end 34, and the paint flows to the main flow passage 22 through the paint supply end 34 to realize the supply of the paint; when the paint needs to be returned, the valve core of the paint supply valve 31 blocks the communication between the main flow passage 22 and the paint supply end 34, the gas supply device supplies gas into the return valve 32 through the return control gas path end 37, so that the valve core of the return valve 32 moves, the return input end 35 is communicated with the return output end 36, and the paint output by the paint supply end 34 flows to the return output end 36 through the paint supply valve 31 and the return input end 35 in sequence, so that the paint is returned. The utility model has simple structure, and is convenient for controlling the oil circuit of the sprayer, thereby being convenient for supplying and refluxing the coating.

In this embodiment, the paint supply control gas line end 33 is connected with a paint gas supply pipe 38; the gas supply device supplies gas to the paint supply control gas line end 33 via the paint gas supply pipe 38, facilitating connection of the gas supply device to the paint supply control gas line end 33.

In this embodiment, a paint supply pipe 39 is connected to the paint supply end 34; the paint supply device supplies paint to the paint feed end 34 via the paint supply tube 39, facilitating connection of the paint supply device to the paint feed end 34.

In this embodiment, the return output end 36 is connected to a return pipe 391; the paint output from the return output 36 is output through a return pipe 391 for recycling and storing the paint.

In this embodiment, the return control gas path end 37 is connected with a return gas supply pipe 392; the gas supply apparatus supplies gas to the return flow control gas line end 37 via the return flow gas supply pipe 392, facilitating connection of the gas supply apparatus to the return flow control gas line end 37.

All the technical features in the embodiment can be freely combined according to actual needs.

The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims

1. An oil circuit control device for a sprayer, characterized in that: the paint spraying device comprises a paint supply valve and a backflow valve, wherein the paint supply valve is provided with a paint supply control air path end and a paint supply end, the backflow valve is provided with a backflow input end, a backflow output end and a backflow control air path end, the backflow input end is communicated with the paint supply end through the paint supply valve, the paint supply control air path end is used for driving a valve core of the paint supply valve to move so as to control the communication between a main flow passage of the sprayer and the paint supply end, and the backflow control air path end is used for driving the valve core of the backflow valve to move so as to control the backflow input end to be communicated with the backflow output end.

2. The oil passage control device for the sprayer according to claim 1, characterized in that: and the end of the coating supply control air path is connected with a coating air supply pipe.

3. The oil passage control device for the sprayer according to claim 1, characterized in that: the coating material supply end is connected with a coating material supply pipe.

4. The oil passage control device for the sprayer according to claim 1, characterized in that: the backflow output end is connected with a backflow pipe.

5. The oil passage control device for the sprayer according to claim 1, characterized in that: and the backflow control gas path end is connected with a backflow gas supply pipe.