Spraying gun head assembly with anti-blocking function

Abstract

The utility model relates to the technical field of spraying guns, and particularly discloses a spraying gun head assembly with an anti-blocking function. The spraying gun head assembly comprises a gun body, the bottom of the gun body is connected with an operating handle, an air inlet pipe is arranged at the bottom of the operating handle, and the top of the air inlet pipe penetrates through the operating handle and is communicated with the interior of the gun body. One side of the gun body is in threaded connection with a conical pipe, one side of the conical pipe is connected with a spraying pipe, and a spraying component is installed in the conical pipe. Spraying materials and compressed air enter the gun body from the air inlet pipe together and then are sprayed out from the spraying holes, in the spraying process, the air impacts the free-form surfaces on the fan blades and drives the fan blades to rotate, the rotating shaft and the cleaning brush plate rotate together, the cleaning brush plate is used for cleaning the spraying holes, and the spraying holes are prevented from being blocked; furthermore, after spraying is finished, compressed gas can be independently inflated through the gas inlet pipe, residual spraying materials in the spraying holes are sprayed out through the compressed gas, and blocking is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to spray gun technical field, concretely is a kind of spray gun head subassembly with anti-blocking function. BACKGROUND

[0002] Spray gun is a kind of equipment using liquid or compressed air as power. Spray gun is divided into two kinds of general pressure type and pressurized type. Spray gun also has pressure type spray gun, cardale type spray gun, automatic recovery type spray gun. Spray gun can be directly equipped with paint in industry, that is, simple spray gun, which can be installed in automatic equipment, such as automatic glue spraying machine, automatic glue coating machine, automatic paint spraying machine, coating machine and other spraying equipment.

[0003] Spray gun head is used in spraying operation, the existing spray gun head cannot clean the spraying hole when in use, the material in the spraying hole will gradually accumulate during spraying process, eventually causing the spraying hole to be unable to spray material, at this time, it is necessary to stop and clean, which reduces the use efficiency of the spray gun head. Therefore, in order to solve such problems, we propose a spray gun head subassembly with anti-blocking function. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a spray gun head subassembly with anti-blocking function.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A spray gun head subassembly with anti-blocking function, comprising a gun body, the bottom of the gun body is connected with an operating handle, the bottom of the operating handle is provided with an air inlet pipe, the top of the air inlet pipe penetrates through the operating handle and communicates with the inside of the gun body, one side of the gun body is threadedly connected with a conical pipe, one side of the conical pipe is connected with a spray pipe, the inside of the conical pipe is mounted with a spraying component, the other side of the gun body is mounted with a cleaning component, the spraying component comprises a spraying disc, a plurality of spraying holes are formed through the spraying disc, a rotating shaft is movably connected with the center of the inner wall of the spraying disc through a bearing, one side of the rotating shaft is connected with a conical block, a polygonal socket is formed in the center of one side of the conical block, a plurality of fan blades are connected with the outside of the polygonal socket, a free curved surface is formed in the outside of the fan blades, and the rotating shaft is connected with a cleaning brush plate used in cooperation with the spraying disc on both sides of the outside of the rotating shaft.

[0007] Preferably, the outside of the spraying disc is connected with one side of the inner wall of the conical pipe, a rotating hole is formed through the center of one side of the spraying disc, and the inner wall of the rotating hole is movably connected with the outside of the rotating shaft through a bearing.

[0008] Preferably, the cleaning component comprises a supporting ring plate and a limiting ring, the outside of the supporting ring plate is connected with the other side of the inner wall of the gun body, and a rotating ring groove is formed in one side of the supporting ring plate.

[0009] Preferably, a push rod is arranged at the center of one side of the support ring plate, the push rod penetrates through the support ring plate and extends to the inside of the gun body and is connected with a push disc, a polygonal insertion rod is connected at the center of one side of the push disc, a T-shaped ring is movably connected to the inner wall of the rotating ring groove through a bearing, the outer part of the limiting ring is connected with the inner wall of the gun body, and the limiting ring is located between the push disc and the support ring plate.

[0010] Preferably, a reset spring is sleeved outside the push rod, one side of the reset spring is connected with the T-shaped ring, the other side of the push rod is connected with a push disc, and the other side of the reset spring is connected with the push disc.

[0011] Preferably, a push hole matched with the push rod is arranged at the center of the support ring plate, and the outer part of the push disc is in sliding contact with the inner wall of the gun body.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model discloses a gun body, a nozzle, a conical pipe, a cleaning component and a spraying component cooperate, spraying material and compressed gas enter the gun body from the inlet pipe together, and then are sprayed from the spray hole, the gas impacts the free curved surface on the fan blade during the spraying process, drives the fan blade to rotate, makes the rotating shaft and the cleaning brush plate rotate together, utilizes the cleaning brush plate to clean the spray hole, avoids that the spray hole is blocked, further, after the spraying is finished, the compressed gas can be filled in through the inlet pipe alone, utilizes the compressed gas to spray the residual spraying material in the spray hole, avoids the blockage, further, during the daily placement process of the spraying gun head, personnel can press the push disc, drives the push disc and the polygonal insertion rod to move left, makes the polygonal insertion rod insert into the polygonal insertion hole, and the reset spring is compressed and overlapped together, rotates the push disc subsequently, drives the cleaning vertical plate to rotate and cleans the spraying disc, avoids the blockage. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the structural exploded view of the cleaning component of the utility model;

[0016] Figure 3 It is the structural exploded view of the conical pipe and the spraying component of the utility model;

[0017] Figure 4 It is the utility model Figure 3 It is the enlarged view of A of the utility model.

[0018] In the figure: 1, gun body; 2, spray pipe; 3, conical pipe; 4, cleaning component; 41, push disc; 42, polygonal plug rod; 43, limiting ring; 44, rotating ring groove; 45, push rod; 46, support ring plate; 47, T-shaped ring; 48, reset spring; 49, push disc; 5, operating handle; 6, air inlet pipe; 7, spraying component; 71, spraying disc; 72, spray hole; 73, fan blade; 74, conical block; 75, polygonal plug hole; 76, rotating shaft; 77, free curved surface; 78, cleaning brush plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Please refer to Figures 1-4 A spraying gun head assembly with anti-blocking function, comprising a gun body 1, the bottom of the gun body 1 is connected with an operating handle 5, the bottom of the operating handle 5 is provided with an air inlet pipe 6, the top of the air inlet pipe 6 penetrates through the operating handle 5 and communicates with the inside of the gun body 1, one side of the gun body 1 is screw-connected with a conical pipe 3, one side of the conical pipe 3 is connected with a spray pipe 2, the inside of the conical pipe 3 is installed with a spraying component 7, the other side of the gun body 1 is installed with a cleaning component 4, the spraying component 7 comprises a spraying disc 71, a plurality of spray holes 72 are provided on the spraying disc 71, a rotating shaft 76 is movably connected with the center of the inner wall of the spraying disc 71 through a bearing, one side of the conical block 74 connected with the rotating shaft 76 is provided with a polygonal plug hole 75, a plurality of fan blades 73 are connected with the outside of the polygonal plug hole 75, the outside of the fan blades 73 is provided with a free curved surface 77, and the cleaning brush plate 78 used in cooperation with the spraying disc 71 is connected with the two sides of the rotating shaft 76.

[0021] As a technical optimization scheme of the utility model, the outside of the spraying disc 71 is connected with one side of the inner wall of the conical pipe 3, a rotating hole is provided in the center of one side of the spraying disc 71, and the inner wall of the rotating hole is movably connected with the outside of the rotating shaft 76 through a bearing; through the rotating hole, the rotating shaft 76 can be supported, and the rotation of the rotating shaft 76 is facilitated.

[0022] As a technical optimization scheme of the utility model, the cleaning component 4 comprises a support ring plate 46 and a limiting ring 43, the outside of the support ring plate 46 is connected with the other side of the inner wall of the gun body 1, and a rotating ring groove 44 is provided in one side of the support ring plate 46; through the support ring plate 46, the other side of the inner wall of the gun body 1 can be sealed.

[0023] As a technical optimization scheme of the utility model, the center of one side of the support ring plate 46 is provided with a push rod 45, one side of the push rod 45 is connected with a driving disc 41 by penetrating the support ring plate 46 and extending to the inside of the gun body 1, the center of one side of the driving disc 41 is connected with a polygonal plug rod 42, the inner wall of the rotating ring groove 44 is movably connected with a T-shaped ring 47 through a bearing, the outer part of the limiting ring 43 is connected with the inner wall of the gun body 1, and the limiting ring 43 is located between the driving disc 41 and the support ring plate 46; through the limiting ring 43, the driving disc 41 can be limited.

[0024] As a technical optimization scheme of the utility model, the outer part of the push rod 45 is sleeved with a reset spring 48, one side of the reset spring 48 is connected with the T-shaped ring 47, the other side of the push rod 45 is connected with a push disc 49, and the other side of the reset spring 48 is connected with the push disc 49; through the reset spring 48, the reset of the push rod 45 after moving is facilitated.

[0025] As a technical optimization scheme of the utility model, the center of the support ring plate 46 is provided with a driving hole used in cooperation with the push rod 45, and the outer part of the driving disc 41 is in sliding contact with the inner wall of the gun body 1; through the driving hole, the left and right movement of the push rod 45 is facilitated.

[0026] In use, the spraying material and compressed gas enter the inside of the gun body 1 from the air inlet pipe 6 together, and then are sprayed out from the spray hole 72, in the spraying process, the gas impacts the free curved surface 77 on the fan blade 73, drives the fan blade 73 to rotate, and drives the rotating shaft 76 and the cleaning brush plate 78 to rotate together, the cleaning brush plate 78 is used to clean the spray hole 72, so that the spray hole 72 is prevented from being blocked; further, after the spraying is completed, the compressed gas can be separately filled into the air inlet pipe 6, the residual spraying material in the spray hole 72 is sprayed out by using the compressed gas, so that the blockage is avoided (at the same time, the spraying material in the polygonal plug hole 75 is also blown out); further, in the daily placing process of the spraying gun head, a person can press the push disc 49, drives the driving disc 41 and the polygonal plug rod 42 to move left, drives the polygonal plug rod 42 to be inserted into the polygonal plug hole 75, and at the same time, the reset spring 48 is compressed and overlapped together, subsequently, the push disc 49 is rotated, the driving disc 41 and the polygonal plug rod 42 are driven to rotate by using the push rod 45, the rotating shaft 76 is finally driven to rotate, and the spraying disc 71 is cleaned by using the cleaning brush plate 78, so that the blockage is avoided.

[0027] The above is only a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A spray gun head assembly with anti-clogging function, comprising a gun body (1), characterized in that: The bottom of the gun body (1) is connected with an operating handle (5), the bottom of the operating handle (5) is provided with an air inlet pipe (6), the top of the air inlet pipe (6) penetrates through the operating handle (5) and communicates with the inside of the gun body (1), one side of the gun body (1) is screw-connected with a conical pipe (3), one side of the conical pipe (3) is connected with a spray pipe (2), the inside of the conical pipe (3) is mounted with a spraying component (7), the other side of the gun body (1) is mounted with a cleaning component (4), the spraying component (7) comprises a spraying disc (71), a plurality of spray holes (72) are penetratingly formed in the spraying disc (71), a rotating shaft (76) is movably connected with the center of the inner wall of the spraying disc (71) through a bearing, a conical block (74) is connected with the side, away from the spraying disc (71), of the rotating shaft (76), a polygonal insertion hole (75) is formed in the center of one side of the conical block (74), a plurality of fan leaves (73) are connected with the outside of the polygonal insertion hole (75), a free curved surface (77) is formed in the outside of the fan leaves (73), and cleaning brush plates (78) used in cooperation with the spraying disc (71) are connected with the two sides of the outside of the rotating shaft (76).

2. The spray gun tip assembly with anti-clogging function according to claim 1, characterized in that: The outside of the spraying disc (71) is connected with one side of the inner wall of the conical pipe (3), a rotating hole is penetratingly formed in the center of one side of the spraying disc (71), and the inner wall of the rotating hole is movably connected with the outside of the rotating shaft (76) through a bearing.

3. The spray gun tip assembly with anti-clogging function according to claim 1, wherein: The cleaning component (4) comprises a supporting ring plate (46) and a limiting ring (43), the outside of the supporting ring plate (46) is connected with the other side of the inner wall of the gun body (1), and a rotating ring groove (44) is formed in one side of the supporting ring plate (46).

4. The spray gun tip assembly with anti-clogging function according to claim 3, characterized in that: A push rod (45) is arranged in the center of one side of the supporting ring plate (46), the push rod (45) penetrates through the supporting ring plate (46) and extends to the inside of the gun body (1) to be connected with a pushing disc (41), a polygonal insertion rod (42) is connected with the center of one side of the pushing disc (41), a T-shaped ring (47) is movably connected with the inner wall of the rotating ring groove (44), the outside of the limiting ring (43) is connected with the inner wall of the gun body (1), and the limiting ring (43) is located between the pushing disc (41) and the supporting ring plate (46).

5. The spray tip assembly with anti-clogging functionality of claim 4, wherein: The outside of the push rod (45) is sleeved with a reset spring (48), one side of the reset spring (48) is connected with the T-shaped ring (47), the other side of the push rod (45) is connected with a push disc (49), and the other side of the reset spring (48) is connected with the push disc (49).

6. The spray tip assembly with anti-clogging function according to claim 4, wherein: A pushing hole used in cooperation with the push rod (45) is penetratingly formed in the center of the supporting ring plate (46), and the outside of the pushing disc (41) is in sliding contact with the inner wall of the gun body (1).

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