CN217747548U - Spray gun structure for workpiece paint spraying - Google Patents
Spray gun structure for workpiece paint spraying Download PDFInfo
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- CN217747548U CN217747548U CN202220518740.4U CN202220518740U CN217747548U CN 217747548 U CN217747548 U CN 217747548U CN 202220518740 U CN202220518740 U CN 202220518740U CN 217747548 U CN217747548 U CN 217747548U
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Abstract
The utility model discloses a spray gun structure for spraying paint on workpieces, which comprises a nozzle, wherein the nozzle is arranged on a pipe body of the spray gun, one end of the nozzle is sleeved with a sheath, an annular inner air jet port is formed between the sheath and the nozzle, and a plurality of side air jet holes which are arranged at equal intervals are also processed on the sheath; the nozzle is also connected with an air inlet block, an air inlet pipeline is processed on the air inlet block and is respectively connected with an air inlet hole and an inner air inlet, the air inlet hole and the side air injection hole are mutually communicated, the inner air inlet is arranged at the side part of the nozzle and is communicated with the annular inner air injection port, the air inlet pipeline is externally connected with a connector, and the connector is connected with an external high-pressure air pipe; the other end of the nozzle is positioned in a material conveying hole of the pipe body, a piston is arranged at the tail end of the material conveying hole, a paint storage tank which is obliquely arranged is connected to the pipe body, the paint storage tank is communicated with the material conveying hole through a material feeding hole in the pipe body, and a one-way air inlet pipe connected with the material feeding hole is processed on the pipe body. The device combines the annular inner air jet and the inclined side air jet, so that the paint is atomized uniformly after being sprayed.
Description
Technical Field
The utility model relates to a local improved design technical field of spray gun structure especially relates to a spray gun structure for work piece sprays paint.
Background
In the prior art, the nozzle of the paint spray gun is generally provided with an annular air port, the paint spraying hole of the nozzle is surrounded, so that paint is sprayed onto the surface of a workpiece after being discharged from the paint spraying hole, and because the air of the annular air port enters through a plurality of air hole channels on the side part of the nozzle, the air pressure of each part of the annular air port is different, namely the air spraying of each part of the annular air port has uneven conditions, the paint is sprayed onto the workpiece unevenly, and the quality of the workpiece product is affected.
To this end, we propose a spray gun structure for painting workpieces that solves the above mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that exists among the prior art, and the spray gun structure that is used for the work piece to spray paint that proposes sets up the side gas pocket through air jet in the annular and slope and combines, and it is even to make the atomizing after the paint vehicle blowout.
In order to realize the purpose, the utility model adopts the following technical scheme: a spray gun structure for spraying paint on a workpiece comprises a spray nozzle, wherein the spray nozzle is arranged on a pipe body of the spray gun, paint is conveyed to the position of the spray nozzle in the pipe body and sprayed by combining high-pressure gas, the paint is sprayed onto the workpiece after being mixed with the high-pressure gas to finish paint spraying operation, one end of the spray nozzle is sleeved with a sheath, the spray nozzle is a cylinder, an annular inner air jet is formed between the sheath and the spray nozzle, the inner air jet is an annular cavity formed by combining the outer part of one end of the spray nozzle and the inner wall of one end of the sheath, a plurality of side air jet holes which are arranged at equal intervals are further processed on the sheath, the number of the side air jet holes is even and the side air jet holes are encircled around the periphery of the spray nozzle at equal intervals, the axes of the side air jet holes and the axes of the paint jet holes of the spray nozzle form an acute angle, the side air jet is obliquely arranged, the sprayed air flow is offset with the air flow of the air jet holes on the other side which are symmetrically arranged in the horizontal direction, and the air flow along the axial direction of the paint jet holes can strengthen the air pressure of the annular inner air jet, so that the paint is sprayed onto the surface of the workpiece more stably to finish paint spraying operation;
the nozzle is also connected with an air inlet block, a through hole is formed in the middle of the air inlet block and is sleeved at the end part of the nozzle, an air inlet pipeline is formed in the air inlet block and is respectively connected with an air inlet hole and an inner air inlet, the air inlet pipeline is two annular grooves which are respectively formed in the air inlet block, the side parts of the two annular grooves are mutually communicated and extend outwards, the side parts of the annular grooves are connected with an external high-pressure air pipe through a mounting connector for air supply, the air inlet hole is mutually communicated with a side air injection hole, the inner air inlet is formed in the side part of the nozzle and is communicated with an annular inner air injection port, the air inlet pipeline is externally connected with the connector, and the connector is connected with the external high-pressure air pipe;
the nozzle other end be located the conveying material hole of body, the spray paint hole and the coaxial and diameter of conveying material hole of nozzle equal, conveying material hole and nozzle matched with position are equipped with the step hole site, the end of conveying material hole is equipped with the piston, connect the storage paint can that the slope set up on the body, store up the slope installation of paint can and avoid blocking operating personnel's sight, store up the feed port intercommunication conveying material hole on the paint can passes through the body, processing has the one-way intake pipe that links to each other with the feed port on the body, the tip of one-way intake pipe sets up one-way pneumatic valve. The feeding hole is communicated with the bottle mouth of the paint storage tank, and the design of the one-way air inlet pipe and the one-way valve is combined, so that the discharging pressure of the paint storage tank is kept stable and balanced, and the material is not easy to leak.
Furthermore, a plurality of paint spraying holes are formed in the center of the nozzle, and the inner air inlets are symmetrically arranged around the paint spraying holes.
Further, the nozzle and the sheath are fixedly connected through threads, and a sealing ring is arranged between the nozzle and the sheath.
Furthermore, sealing rings are respectively arranged between the air inlet block and the nozzle and between the air inlet block and the sheath.
Further, the air inlet block is embedded at one end of the nozzle, and the air inlet block is clamped between the nozzle and the pipe body.
Furthermore, one end of the nozzle is tightly connected with the pipe body through threads, and the paint spraying hole is coaxial with the material conveying hole of the pipe body.
Furthermore, the air inlet pipeline comprises two annular grooves with mutually communicated bottoms, and the bottoms of the annular grooves extend outwards to be communicated with the connector.
Furthermore, two paint storage tanks are arranged and are symmetrically arranged.
Furthermore, the piston is connected with a piston rod, the piston rod is hinged with a rocker, the rocker rotates around a rotating shaft, and the other end of the rocker is connected with a spring.
Furthermore, as mentioned above, the spray gun further comprises a gun body, the gun body is connected with the pipe body, and a cavity for accommodating the rocker, the rotating shaft and the spring is arranged on the gun body.
Compared with the prior art, the beneficial effects of the utility model are that: the device combines the annular inner air jet and the inclined side air jet, so that the paint is atomized uniformly after being sprayed. The device can be used for manual paint repair, can also be used by combining with an automatic paint feeding mechanism, and the high-pressure air pipe can be connected with a pressure tank or an air compressor to stably supply air.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a nozzle according to the present invention;
FIG. 3 is a schematic view of the air inlet block of the present invention;
fig. 4 is a top view of fig. 3.
In the figure: 1. a sheath; 11. side air injection holes; 12. a side gas inlet; 2. a nozzle; 21. an inner air inlet; 22. an inner air jet; 23. spraying paint holes; 3. a seal ring; 4. an air inlet block; 41. an air intake line; 42. a connector; 5. a tube body; 6. a paint storage tank; 7. a one-way air inlet pipe; 8. pushing the material pipe; 9. a piston.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is noted that, unless explicitly stated or limited otherwise, the terms "fixed," "mounted," "connected," "disposed," and the like are used in a generic sense, e.g., when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in a first embodiment, the spray gun structure for spraying paint on a workpiece of the present invention includes a nozzle 2, the nozzle 2 is installed on a tube body 5 of the spray gun, one end of the nozzle 2 is sleeved with a sheath 1, an annular inner air jet 22 is formed between the sheath 1 and the nozzle 2, a plurality of side air jet holes 11 arranged at equal intervals are further processed on the sheath 1, and an acute angle is formed between an axis of the side air jet hole 11 and an axis of a paint spray hole 23 of the nozzle 2; the nozzle 2 is also connected with an air inlet block 4, an air inlet pipeline 41 is processed on the air inlet block 4, the air inlet pipeline 41 is respectively connected with a side air inlet hole 12 and an inner air inlet 21, the side air inlet hole 12 is communicated with a side air injection hole 11, the inner air inlet 21 is arranged at the side part of the nozzle 2 and is communicated with an annular inner air injection port 22, the air inlet pipeline 41 is externally connected with a connector 42, and the connector 42 is connected with an external high-pressure air pipe; the other end of the nozzle 2 is positioned in a material conveying hole of the pipe body 5, a piston 9 is arranged at the tail end of the material conveying hole, a paint storage tank 6 which is obliquely arranged is connected to the pipe body 5, the paint storage tank 6 is communicated with the material conveying hole through a material conveying hole in the pipe body 5, a one-way air inlet pipe 7 connected with the material conveying hole is machined in the pipe body 5, and a one-way air valve is arranged at the end part of the one-way air inlet pipe 7.
Second embodiment, the utility model discloses a spray gun structure for workpiece paint spraying, including nozzle 2, nozzle 2 installs on the body 5 of spray gun, and the interior lacquer material that carries of body 5 combines high-pressure gas to spray to nozzle 2 department and comes out, and the lacquer material sprays to the work piece and accomplishes the operation of spraying paint along with high-pressure gas mixes the back, nozzle 2 one end cover be equipped with sheath 1, nozzle 2 is the cylinder, sheath 1 is the cylinder spare, forms annular inner air jet 22 between sheath 1 and nozzle 2, inner air jet 22 is the annular cavity that the outside of nozzle 2 one end combines the formation with the inner wall of sheath 1 one end, still process the side air jet 11 that a plurality of equidistance were arranged on the sheath 1, the quantity of side air jet 11 is even number and equidistance encircles in nozzle 2 periphery, the axis of side air jet 11 and the axis of the hole 23 of spraying paint of nozzle 2 are the acute angle, side air jet 11 inclines to set up, the air jet of the opposite side air jet 11 that the air jet set up in the horizontal direction and symmetry set up offsets, and the air jet along the axis direction of spraying paint hole 23 can strengthen the atmospheric pressure of annular inner air jet 22, make the lacquer material surface accomplish the operation of spraying paint more stable work piece to spraying paint;
the nozzle 2 is also connected with an air inlet block 4, a through hole is formed in the middle of the air inlet block 4 and is sleeved at the end part of the nozzle 2, an air inlet pipeline 41 is formed in the air inlet block 4, the air inlet pipeline 41 is respectively connected with a side air inlet 12 and an inner air inlet 21, the side air inlet 12 is communicated with a side air injection hole 11, the inner air inlet 21 is formed in the side part of the nozzle 2 and is communicated with an annular inner air injection hole 22, the air inlet pipeline 41 is externally connected with a connector 42, and the connector 42 is connected with an external high-pressure air pipe;
the other end of the nozzle 2 is positioned in a material conveying hole of the pipe body 5, a piston 9 is arranged at the tail end of the material conveying hole, a paint storage tank 6 which is obliquely arranged is connected to the pipe body 5, the paint storage tank 6 is communicated with the material conveying hole through a material conveying hole in the pipe body 5, a one-way air inlet pipe 7 connected with the material conveying hole is processed in the pipe body 5, and a one-way air valve is arranged at the end part of the one-way air inlet pipe 7.
Furthermore, a paint spraying hole 23 is formed in the center of the nozzle 2, and a plurality of inner air inlets 21 are symmetrically arranged around the paint spraying hole 23. The nozzle 2 is fixedly connected with the sheath 1 through threads, and a sealing ring 3 is arranged between the nozzle 2 and the sheath 1. And sealing rings are respectively arranged between the air inlet block 4 and the nozzle 2 and between the air inlet block 4 and the sheath 1, and the sealing rings play a role in sealing the air inlet pipeline 41 and the sheath 1 and the nozzle 2. The air inlet block 4 is embedded at one end of the nozzle 2, and the air inlet block 4 is clamped between the nozzle 2 and the pipe body 5.
Furthermore, one end of the nozzle 2 is tightly connected with the pipe body 5 in a threaded manner, and the paint spraying hole 23 is coaxial with the material conveying hole of the pipe body 5. The air inlet pipeline 41 comprises two annular grooves with mutually communicated bottoms, and the bottoms of the annular grooves also extend outwards to be communicated with the connecting head 42.
Third embodiment, the utility model discloses a spray gun structure for workpiece paint spraying, including nozzle 2, nozzle 2 installs on the body 5 of spray gun, carry the paint vehicle to nozzle 2 department in the body 5 and combine the high-pressure gas to spray out, the paint vehicle sprays to the work piece and accomplishes the paint spraying operation along with the high-pressure gas mixture, one end cover of nozzle 2 be equipped with sheath 1, nozzle 2 is the cylinder, sheath 1 is the cylinder spare, form annular inner air jet 22 between sheath 1 and nozzle 2, inner air jet 22 is the annular cavity that the outside of one end of nozzle 2 combines the formation with the inner wall of sheath 1 one end, still process the side air jet 11 that a plurality of equidistance were arranged on sheath 1, the quantity of side air jet 11 is even number and equidistance encircles in nozzle 2 periphery, as shown in fig. 4, the quantity 6 of side air jet 11, the axis of side air jet 11 and the axis of the paint spraying hole 23 of nozzle 2 are the acute angle, side air jet 11 inclines to set up, the air current of the air jet of the other side air jet 11 that the air jet set up with symmetry in the horizontal direction, and the air current along the direction of spraying hole 23 can strengthen the annular axis, the air jet 22 of the air jet of the inner air jet of the work piece surface and accomplish the paint spraying more stable operation of paint spraying to the work piece of the paint;
the nozzle 2 is also connected with an air inlet block 4, a through hole is formed in the middle of the air inlet block 4 and is sleeved at the end part of the nozzle 2, an air inlet pipeline 41 is formed in the air inlet block 4, the air inlet pipeline 41 is respectively connected with an air inlet hole 12 and an inner air inlet 21, the air inlet pipeline 41 is two annular grooves which are respectively formed in the air inlet block 4, the side parts of the two annular grooves are mutually communicated and extend outwards, the side parts of the annular grooves are connected with an external high-pressure air pipe through a mounting connector 42 for air supply, the air inlet hole 12 and the side air injection hole 11 are mutually communicated, the inner air inlet 21 is formed in the side part of the nozzle 2 and is communicated with an annular inner air injection port 22, the air inlet pipeline 41 is externally connected with the connector 42, and the connector 42 is connected with the external high-pressure air pipe;
2 the other end of nozzle be located the conveying material hole of body 5, the hole 23 that sprays paint of nozzle 2 equals with the coaxial and diameter of conveying material hole, the conveying material hole is equipped with the step hole site with 2 matched with positions of nozzle, the end of conveying material hole is equipped with piston 9, connect the storage paint can 6 that the slope set up on the body 5, store up the installation of 6 slopes of paint can and avoid blocking operating personnel's sight, store up the feed port intercommunication conveying material hole on paint can 6 through the body 5, processing has one-way intake pipe 7 that links to each other with the feed port on the body 5, the tip of one-way intake pipe 7 sets up one-way pneumatic valve. The feeding hole is communicated with the bottle mouth of the paint storage tank 6, and the design of the one-way air inlet pipe 7 and the one-way valve is combined, so that the discharging pressure of the paint storage tank 6 is kept stable and balanced, and the material is not easy to leak.
Furthermore, store up paint can 6 be equipped with two, two store up paint can 6 symmetry setting, spray gun stable in structure, the outward appearance is pleasing to the eye, and is convenient for change. The piston 9 is connected with a piston 9 rod, the piston 9 rod is hinged with a rocker, the rocker rotates around a rotating shaft, and the other end of the rocker is connected with a spring. The rod transmission mechanism related to the work of the piston 9 utilizes the lever principle and combines the spring reset, the operation can be controlled manually, and meanwhile, the piston 9 can also be matched with other reciprocating propulsion mechanisms, such as a screw rod mechanism or an air cylinder, an oil cylinder and the like, and the rod transmission mechanism can be used as a spray gun mechanism for automatically spraying paint. The spray gun also comprises a gun body, the gun body is connected with the pipe body 5, and a cavity for accommodating the rocker, the rotating shaft and the spring is arranged on the gun body.
The utility model discloses in the device, the assembly and the cooperation relation of each part that involve are prior art or material, and affiliated technical staff can directly purchase or order from the market according to required product model and specification.
The electrical components presented in the text are all electrically connected with an external master controller and 220V commercial power or industrial power, and the master controller can be a conventional known device with a control function such as a computer.
The above description is only a preferred embodiment of the present invention, and the common general knowledge of the known structures and characteristics of the schemes is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the embodiments presented above, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered as exemplary and not restrictive in any way, and any person skilled in the art should be considered as the technical scope of the present invention, and all equivalent substitutions or changes according to the technical solution of the present invention and the inventive concept thereof should be covered by the protection scope of the present invention.
Claims (10)
1. A spray gun structure for spraying paint on a workpiece comprises a spray nozzle, wherein the spray nozzle is arranged on a pipe body of the spray gun, and high-pressure gas and paint for spraying paint are connected in the pipe body; the nozzle is also connected with an air inlet block, an air inlet pipeline is processed on the air inlet block and is respectively connected with a side air inlet hole and an inner air inlet, the side air inlet hole is communicated with a side air injection hole, the inner air inlet is arranged at the side part of the nozzle and is communicated with an annular inner air injection port, the air inlet pipeline is externally connected with a connector, and the connector is connected with an external high-pressure air pipe; the spray nozzle is characterized in that the other end of the spray nozzle is located in a material conveying hole of the pipe body, a piston is arranged at the tail end of the material conveying hole, a paint storage tank which is obliquely arranged is connected to the pipe body, the paint storage tank is communicated with the material conveying hole through a material feeding hole in the pipe body, a one-way air inlet pipe connected with the material feeding hole is machined in the pipe body, and a one-way air valve is arranged at the end of the one-way air inlet pipe.
2. A spray gun construction for spray painting of workpieces according to claim 1 and wherein the central part of the spray nozzle is provided with a spray opening and the inner air inlets are arranged in a plurality and symmetrically around the spray opening.
3. A spray gun structure for spray painting of workpieces according to claim 2, characterized in that the spray nozzle is fixed to the sheath by screw connection, and a sealing ring is provided between the spray nozzle and the sheath.
4. A spray gun construction for spray painting of workpieces according to claim 3 and wherein sealing rings are provided between the air inlet block and the nozzle and the shroud respectively.
5. A spray gun construction for spray painting of workpieces according to claim 4 in which the air inlet block is fitted into one end of the nozzle and the air inlet block is captured between the nozzle and the body.
6. A spray gun structure for spray painting of workpieces as claimed in claim 5, wherein said nozzle has one end screwed tightly to the tubular body, and the paint spraying hole is coaxial with the delivery hole of the tubular body.
7. A spray gun construction for spray painting of workpieces according to claim 6 characterised in that the air inlet line comprises two annular recesses with their bases in communication with each other, the bases of the annular recesses also extending outwardly in communication with the connecting head.
8. A spray gun construction for spray painting of workpieces according to claim 7, characterised in that there are two of said paint tanks, said two paint tanks being arranged symmetrically.
9. A spray gun structure for spray painting of workpieces according to claim 8 characterised in that the piston is connected to a piston rod which is hinged to a rocker which rotates about a pivot, the other end of the rocker being connected to a spring.
10. A spray gun construction for spray painting of workpieces according to claim 9 further comprising a body connected to the tube, the body defining a cavity for receiving the rocker, pivot and spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518740.4U CN217747548U (en) | 2022-03-08 | 2022-03-08 | Spray gun structure for workpiece paint spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518740.4U CN217747548U (en) | 2022-03-08 | 2022-03-08 | Spray gun structure for workpiece paint spraying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217747548U true CN217747548U (en) | 2022-11-08 |
Family
ID=83882364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220518740.4U Active CN217747548U (en) | 2022-03-08 | 2022-03-08 | Spray gun structure for workpiece paint spraying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217747548U (en) |
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2022
- 2022-03-08 CN CN202220518740.4U patent/CN217747548U/en active Active
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