Spraying spray gun with controllable spraying thickness

Abstract

The utility model discloses a spraying thickness controllable spraying gun which comprises a spraying gun body, an air inlet pipe is arranged on the lower side of the front end of the spraying gun body, an oil inlet pipeline is arranged on the lower side of the rear end of the spraying gun body, a spraying power mechanism is arranged at the outer end of the oil inlet pipeline, and an oil suction pipe is arranged at an oil suction port of the spraying power mechanism. An oil storage tank body is arranged at the outer end of the oil suction pipe, and the oil inlet pipeline can control the overall conveying pressure through the spraying power mechanism, so that the overall spraying force can be effectively controlled, and the spraying thickness is effectively controlled; the oil storage tank body can store a large amount of oil paint, so that the oil paint can be continuously sprayed and used, the overall spraying efficiency is effectively improved, the return oil paint of the spraying power mechanism can be effectively collected through the return oil collecting mechanism, and the pollution to the external environment is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of spray guns, and particularly relates to a spray gun with controllable spraying thickness. Background Art

[0002] When spraying the topcoat on the body of a rail transit vehicle, it is necessary to achieve the film thickness, gloss, color difference, and freshness of the paint. To meet these requirements, a curing agent and a diluent need to be added to the sprayed topcoat, the number of spraying times needs to be increased, and at the same time, the increased film thickness during spraying needs to be controlled. By increasing the diluent, each spraying becomes thinner, so that both the film thickness and the freshness can meet the requirements. When spraying the body of a rail transit vehicle, a spray gun is thus required.

[0003] The existing Chinese patent CN108643528B discloses a spray gun capable of spraying at a fixed distance on October 15, 2019, which includes a spray gun body. A connecting rod is provided in the middle of the gun body of the spray gun body. A clamping ring is provided at the bottom of the connecting rod. The clamping ring is sleeved on the spray gun body, and a locking handle is installed on the clamping ring through a thread, so as to fix the connecting rod on the spray gun body. A cross bar is provided at the upper end of the connecting rod, and the cross bar is horizontally arranged and is in the same plane as the spray gun body. An adjustment chute is provided inside the cross bar, and an adjustment slide rod is installed in the adjustment chute, and the adjustment slide rod can horizontally slide in the adjustment chute.

[0004] However, when the above device is spraying, the overall pressure state cannot be effectively maintained continuously, and during spraying, the overall spraying cannot be continuously carried out, so that the spraying construction is not very efficient. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a spray gun with controllable spraying thickness to solve the problem that when the above device is spraying, the overall pressure state cannot be effectively maintained continuously, and during spraying, the overall spraying cannot be continuously carried out, so that the spraying construction is not very efficient as mentioned in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A spray gun with controllable spraying thickness, in which an air inlet pipe is provided on the lower side of the front end of the spray gun body, an oil inlet pipe is provided on the lower side of the rear end of the spray gun body, a spraying power mechanism is provided at the outer end of the oil inlet pipe, an oil suction pipe is provided at the oil suction port of the spraying power mechanism, a storage oil tank body is provided at the outer end of the oil suction pipe, a return oil collection mechanism is provided at the oil return port of the spraying power mechanism, and the spraying power mechanism is electrically connected to an external controller.

[0007] Among them, the oil return collection mechanism includes an oil return pipeline, an oil return tank body, and a sealing cover. The oil return pipeline is arranged inside the upper end of the oil return tank body. A sealing cover is arranged on the oil return tank body outside the oil return pipeline. The oil return pipeline is connected to the spraying power mechanism.

[0008] Among them, the spraying power mechanism includes a pressure gauge and a pump body. A pressure gauge is arranged at the outer end pipeline of the pump body. The pressure gauge is located between the pump body and the oil inlet pipeline.

[0009] Among them, the oil storage tank body includes a tank body shell, a connecting pipe, and a closing cover. The connecting pipe is arranged at the upper end of the tank body shell. A closing cover is arranged on the tank body shell outside the connecting pipe. The connecting pipe is connected to the oil suction pipe.

[0010] Among them, the connecting pipe and the oil suction pipe are rotationally connected by threads, and the connection part is through.

[0011] Among them, the air inlet pipe is connected to an external air pressure device.

[0012] Among them, the inside of the oil storage tank body stores spraying paint.

[0013] In summary, due to the adoption of the above technology, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, the oil inlet pipeline can control the overall conveying pressure through the spraying power mechanism, so as to effectively control the overall spraying force, thereby effectively controlling the spraying thickness. The spraying power mechanism extracts the paint in the oil storage tank body through the oil suction pipe for conveying and spraying. The oil storage tank body can store a large amount of paint, enabling continuous spraying use, thus effectively improving the overall spraying efficiency.

[0015] 2. In the present utility model, the returned oil paint of the spraying power mechanism can be effectively collected through the oil return collection mechanism, thereby avoiding polluting the external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of a spraying gun with controllable spraying thickness according to the present utility model;

[0017] Figure 2 is a structural schematic diagram of the oil return collection mechanism of a spraying gun with controllable spraying thickness according to the present utility model;

[0018] Figure 3 is a structural schematic diagram of the spraying power mechanism of a spraying gun with controllable spraying thickness according to the present utility model;

[0019] Figure 4 is a structural schematic diagram of the oil storage tank body of a spraying gun with controllable spraying thickness according to the present utility model.

[0020] In the figure: 1. Oil return collecting mechanism; 11. Oil return pipeline; 12. Oil return tank body; 13. Sealing cover; 2. Spraying gun body; 3. Air inlet pipe; 4. Oil inlet pipe; 5. Spraying power mechanism; 51. Pressure gauge; 52. Pump body; 6. Oil suction pipe; 7. Oil storage tank body; 71. Tank shell; 72. Connecting pipe; 73. Sealing cover. Specific implementation mode

[0021] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model.

[0022] Embodiment 1

[0023] Refer to Figure 1 and Figure 2 , a spraying gun with controllable spraying thickness, including an air inlet pipe 3 is arranged on the lower side of the front end of the spraying gun body 2, an oil inlet pipe 4 is arranged on the lower side of the rear end of the spraying gun body 2, a spraying power mechanism 5 is arranged at the outer end of the oil inlet pipe 4, an oil suction pipe 6 is arranged at the oil suction port of the spraying power mechanism 5, an oil storage tank body 7 is arranged at the outer end of the oil suction pipe 6, an oil return collecting mechanism 1 is arranged at the oil return port of the spraying power mechanism 5, and the spraying power mechanism 5 is electrically connected to an external controller.

[0024] In the present utility model, the oil return collecting mechanism 1 includes an oil return pipeline 11, an oil return tank body 12 and a sealing cover 13. The oil return pipeline 11 is arranged inside the upper end of the oil return tank body 12, and a sealing cover 13 is arranged on the oil return tank body 12 outside the oil return pipeline 11. The oil return pipeline 11 is connected to the spraying power mechanism 5. The oil return pipeline 11 of the oil return collecting mechanism 1 is connected to the spraying power mechanism 5. Thus, the paint returned by the spraying power mechanism 5 can be transported to the oil return tank body 12 through the oil return pipeline 11, so that it can be effectively stored and collected, thereby avoiding pollution of the external environment. When cleaning, when the operator opens the sealing cover 13, it is convenient for cleaning and use.

[0025] In the present utility model, the air inlet pipe 3 is connected to an external air pressure device, so that external gas can be received for spraying use.

[0026] In the present utility model, the inside of the oil storage tank body 7 stores spraying paint, so that a large amount of paint can be stored for continuous spraying construction.

[0027] Working principle: When in use, the spraying gun body 2 can spray the paint conveyed by the oil inlet pipe 4 to the outside through the air inlet pipe 3, so that spraying construction can be carried out. The oil inlet pipe 4 can control the overall conveying pressure through the spraying power mechanism 5, so that the overall spraying force can be effectively controlled, and thus the spraying thickness can be effectively controlled. The spraying power mechanism 5 extracts the paint in the oil storage tank body 7 through the oil suction pipe 6 for conveying and spraying. The oil storage tank body 7 can store a large amount of paint, so that continuous spraying can be used, thus effectively improving the overall spraying efficiency. The returned paint of the spraying power mechanism 5 can be effectively collected through the returned oil collecting mechanism 1, so as to avoid polluting the external environment.

[0028] Embodiment Two

[0029] Refer to Figure 1 and Figure 3 A spraying gun with controllable spraying thickness. Compared with Embodiment One, in this embodiment, the spraying power mechanism 5 includes a pressure gauge 51 and a pump body 52. The pressure gauge 51 is arranged at the outer end pipe of the pump body 52, and the pressure gauge 51 is located between the pump body 52 and the oil inlet pipe 4.

[0030] Working principle: The pump body 52 of the spraying power mechanism 5 can control the conveying of the paint, and convey it into the oil inlet pipe 4. The pressure state can be viewed by the personnel through the pressure gauge 51, so that corresponding viewing, control and adjustment can be carried out.

[0031] Embodiment Three

[0032] Refer to Figure 1 and Figure 4 A spraying gun with controllable spraying thickness. Compared with Embodiment Two, in this embodiment, the oil storage tank body 7 includes a tank body shell 71, a connecting pipe 72 and a closing cover 73. The connecting pipe 72 is arranged at the upper end of the tank body shell 71, and the closing cover 73 is arranged on the tank body shell 71 outside the connecting pipe 72. The connecting pipe 72 is connected to the oil suction pipe 6;

[0033] The connecting pipe 72 and the oil suction pipe 6 are rotationally connected by threads, and the connection part is through.

[0034] Working principle: Due to the internal area of the tank body shell 71 of the oil storage tank body 7, paint materials can be stored for use. When the personnel open the closing cover 73, paint can be correspondingly added. The paint inside the tank body shell 71 can be conveyed into the oil suction pipe 6 through the connecting pipe 72, and then can be conveyed to the outside through the oil suction pipe 6 for spraying construction.

[0035] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, making equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

[0036] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

Claims

1. A spraying gun with controllable spraying thickness, comprising an air inlet pipe (3) arranged on the lower side of the front end of the spraying gun body (2), and an oil inlet pipe (4) arranged on the lower side of the rear end of the spraying gun body (2), characterized in that: The outer end of the oil inlet pipe (4) is provided with a spraying power mechanism (5). An oil suction pipe (6) is arranged at the oil suction port of the spraying power mechanism (5). The outer end of the oil suction pipe (6) is provided with an oil storage tank body (7). A return oil collecting mechanism (1) is arranged at the return oil port of the spraying power mechanism (5). The spraying power mechanism (5) is electrically connected to an external controller.

2. The spray gun with controllable spray thickness according to claim 1, characterized in that: The return oil collecting mechanism (1) includes a return oil pipeline (11), a return oil tank body (12) and a sealing cover (13). The return oil pipeline (11) is arranged inside the upper end of the return oil tank body (12). The sealing cover (13) is arranged on the return oil tank body (12) outside the return oil pipeline (11). The return oil pipeline (11) is connected to the spraying power mechanism (5).

3. The spray gun with controllable spray thickness according to claim 1, characterized in that: The spraying power mechanism (5) includes a pressure gauge (51) and a pump body (52). The pressure gauge (51) is arranged at the outer end pipe of the pump body (52). The pressure gauge (51) is located between the pump body (52) and the oil inlet pipe (4).

4. A spray gun with controllable spray thickness according to claim 1, characterized in that: The oil storage tank body (7) includes a tank body shell (71), a connecting pipe (72) and a closing cover (73). The connecting pipe (72) is arranged at the upper end of the tank body shell (71). The closing cover (73) is arranged on the tank body shell (71) outside the connecting pipe (72). The connecting pipe (72) is connected to the oil suction pipe (6).

5. The spray gun with controllable spraying thickness according to claim 4, characterized in that: The connecting pipe (72) and the oil suction pipe (6) are rotationally connected by threads, and the connection part is through.

6. The spray gun with controllable spray thickness according to claim 1, wherein: The air inlet pipe (3) is connected to an external air pressure device.

7. The spraying gun with controllable spraying thickness according to claim 1, characterized in that: The interior of the oil storage tank body (7) stores spraying paint.

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