CN210994842U - Spray gun for automatic spraying of aluminum profile surface - Google Patents
Spray gun for automatic spraying of aluminum profile surface Download PDFInfo
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- CN210994842U CN210994842U CN201922029749.XU CN201922029749U CN210994842U CN 210994842 U CN210994842 U CN 210994842U CN 201922029749 U CN201922029749 U CN 201922029749U CN 210994842 U CN210994842 U CN 210994842U
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Abstract
The utility model discloses a spray gun that is used for automatic spraying in aluminium alloy surface to use relates to aluminium alloy work piece surface spraying equipment field. The spray gun comprises a gun body used for being fixed on a mechanical arm, wherein the head of the gun body is connected with a spray gun head, a compressed air spray pipe and a spray hose which are communicated with an atomizing chamber of the spray gun head are arranged in the gun body, an electrostatic generator is further arranged in the gun body, a liquid inlet end of the spray hose is coiled and led out from the electrostatic generator, a leading-out end penetrates out of the gun body and is connected with a liquid supply pump, a liquid outlet end of the spray hose is positioned in the atomizing chamber, and the electrostatic generator is provided with a power connection interface. The utility model discloses a spray gun is through built-in electrostatic generator in the rifle body, has shortened the static distance between position and the atomizer chamber of taking place of spouting the material, and electrostatic spraying effect is stable, under the primary atomization effect of primary atomizing head, through the secondary atomization of the throat form mouthpiece of compressed air spray tube, can improve atomization effect widely, realizes the even unanimous spraying on aluminium alloy surface.
Description
Technical Field
The utility model relates to an aluminium alloy work piece surface spraying equipment field, concretely relates to a spray gun that is used for automatic spraying in aluminium alloy surface to use.
Background
The spray gun is a device which uses liquid or compressed air to quickly release as power, and the spray gun is divided into a normal pressure type spray gun and a pressurized type spray gun. The application of the spray gun in the industry can be directly used for coating, namely the simple spray gun can be installed in automatic equipment, such as an automatic spraying machine, an automatic paint spraying machine, an automatic coating machine and other spraying equipment. In the field of automatic spraying equipment, particularly in the field of surface spraying of metal aluminum profiles, electrostatic spraying is mostly adopted for spraying operation. The electrostatic spray gun is a basic product of industrial spraying equipment modernization, and serves as a main body of most core equipment for surface treatment in a coating process flow line. In some existing automatic spraying equipment, a spray gun is usually assembled on a mechanical arm as a front-end execution device, a compressed air source and a spraying material supply device are arranged at the rear end and are connected through a pipeline for conveying, the spraying material supply device is connected with an electrostatic generator, the path of negatively charged spraying material conveying is far, the electrical property is easily influenced, and the electrostatic spraying effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the defect that the above-mentioned technique exists, the utility model provides a spray gun that is used for automatic spraying in aluminium alloy surface to use.
The utility model discloses realize that the technical scheme that above-mentioned technological effect adopted is:
the spray gun for automatically spraying the surface of the aluminum profile comprises a gun body fixed on a mechanical arm, wherein the head of the gun body is connected with a spray gun head, a compressed air spray pipe and a spray hose which are communicated with an atomizing chamber of the spray gun head are arranged in the gun body, an electrostatic generator is further arranged in the gun body, a liquid inlet end of the spray hose is coiled and led out from the electrostatic generator, a leading-out end penetrates out of the gun body and is connected with a liquid supply pump, a liquid outlet end of the spray hose is positioned in the atomizing chamber, and the electrostatic generator is provided with an electric connection interface.
Preferably, in the spray gun for automatically spraying the surface of the aluminum profile, the liquid outlet end of the liquid spraying hose is connected with a primary atomizing head, the primary atomizing head includes a circular tube end with openings at two ends, a fixed shaft is arranged at the central point of the circular tube end, a radial liquid separating scroll is arranged between the outer circumference of the fixed shaft and the inner circumferential wall of the circular tube end, the fixed shaft is fixedly connected with the assembling head of the gun body head, and the liquid outlet end of the liquid spraying hose is led out from the assembling head to the atomizing chamber.
Preferably, in the spray gun for automatically spraying the surface of the aluminum profile, a sponge pipe sleeve is arranged in the gun body, the compressed air spray pipe is located in the sponge pipe sleeve, and a threaded connector connected with an external air supply source is arranged at an air inlet end of the compressed air spray pipe.
Preferably, in the spray gun for automatically spraying the surface of the aluminum profile, a nozzle of the compressed air spray pipe is in a necking shape, and a pipe diameter of a pipe section corresponding to the nozzle is smaller than a pipe diameter of a pipe section corresponding to an air inlet end of the compressed air spray pipe.
Preferably, in the spray gun for automatically spraying the surface of the aluminum profile, the spray gun head is detachably connected to the head of the gun body through a gun cap.
The utility model has the advantages that: the utility model discloses a spray gun is through built-in electrostatic generator in the rifle body, has shortened the static distance between position and the atomizer chamber of taking place of spouting the material, and electrostatic spraying effect is stable, under the primary atomization effect of primary atomizing head, through the secondary atomization of the throat form mouthpiece of compressed air spray tube, can improve atomization effect widely, realizes the even unanimous spraying on aluminium alloy surface.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of the primary atomizing head of the present invention.
Detailed Description
For a further understanding of the invention, reference is made to the following description taken in conjunction with the accompanying drawings and specific examples, in which:
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.
As shown in fig. 1, the embodiment of the present invention provides a spray gun for automatic spraying of aluminum profile surface, which includes a gun body 1 for fixing on a mechanical arm, and a fixing hole (not shown) is disposed at the bottom of the gun body 1. The head of the gun body 1 is connected with a spray gun head 2, and the spray gun head 2 is detachably connected to the head of the gun body 1 through a gun cap 3. The gun body 1 is provided with a compressed air spray pipe 5 and a liquid spraying hose 6 which are communicated with the atomizing chamber 21 of the spray gun head 2, and the air inlet end of the compressed air spray pipe 5 is provided with a threaded interface 52 connected with an external air supply source. The atomizing chamber 21 is conical, and the mouth of the cone extends outwards to form a nozzle integrally. In order to shorten the distance between the electrostatic generation position of the spraying material and the atomizing chamber 21, an electrostatic generator 7 is further arranged in the gun body 1, and the electrostatic generator 7 is provided with an electric connection interface 71. The liquid inlet end of the liquid spraying hose 6 is coiled and led out from the electrostatic generator 7, negative pressure is applied to the flowing spraying material through the electrostatic generator 7, the spraying material is charged with negative polarity, and the sprayed spraying material particles with negative charge are adsorbed on the surface of the aluminum alloy workpiece with positive charge to form a stable and firm spraying layer. The leading-out end 61 of the liquid spraying hose 6 penetrates out of the gun body 1 and is connected with a liquid supply pump, and spraying materials are conveyed to the liquid spraying hose 6 through the external liquid supply pump. The liquid outlet end of the liquid spraying hose 6 is positioned in the atomizing chamber 21, and the high-speed air flow sprayed from the compressed air spray pipe 5 quickly atomizes the spray material in the atomizing chamber 21.
Further, in order to achieve more uniform and consistent spraying, the liquid outlet end of the liquid spray hose 6 is connected with a primary atomizing head 8. As shown in fig. 2, the primary atomizing head 8 includes a circular tube end 81 with two open ends, a fixed shaft 82 is disposed at the center point of the circular tube end 81, and radial separating spokes 83 are disposed between the outer circumference of the fixed shaft 82 and the inner circumference of the circular tube end 81. The fixed shaft 82 is fixedly connected with the assembly head 11 at the head of the gun body 1, and the liquid outlet end of the liquid spraying hose 6 is led out from the assembly head 11 to the atomizing chamber 21. The assembling head 11 is tightly pressed on the opposite assembling end surface of the spray gun head 2, and a sealing rubber ring (not shown in the figure) is arranged on the assembling end surface. The spray material sprayed from the liquid outlet end of the liquid spraying hose 6 is primarily sheared and dispersed under the shearing action of the liquid separating banner 83, so that primary atomization is realized.
Specifically, in the embodiment of the utility model, still be equipped with sponge pipe box 4 in the rifle body 1, compressed air spray tube 5 is located sponge pipe box 4, and sponge pipe box 4 plays the fixed effect of support to compressed air spray tube 5, makes it firmly spacing fix in the rifle body 1, has also alleviateed the holistic weight of rifle body 1 simultaneously. The nozzle 51 of the compressed air nozzle 5 is in a necking shape, and the pipe diameter of a pipe section corresponding to the nozzle 51 is smaller than that of a pipe section corresponding to the air inlet end of the compressed air nozzle 5.
To sum up, the utility model discloses a spray gun has shortened the static of spouting the material and has taken place the distance between position and the atomizer chamber through at the internal static generator of rifle, and electrostatic spraying effect is stable, and under the primary atomization effect of primary atomising head, through the secondary atomization effect of the throat form mouthpiece of compressed air spray tube, can improve atomization effect widely, realizes the even unanimous spraying on aluminium alloy surface.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.
Claims (5)
1. The utility model provides a spray gun for automatic spraying of aluminium alloy surface is used, is including being used for fixing the rifle body (1) on the arm, the head of rifle body (1) is connected with spray gun head (2), be equipped with in the rifle body (1) with compressed air spray tube (5) and hydrojet hose (6) that atomizing chamber (21) of spray gun head (2) are linked together, its characterized in that, still be equipped with electrostatic generator (7) in the rifle body (1), the feed liquor end of hydrojet hose (6) is followed coil in electrostatic generator (7) and is drawn out, draws out end (61) and wears out the rifle body (1) to be connected with the liquid feed pump, the play liquid end of hydrojet hose (6) is located in atomizing chamber (21), electrostatic generator (7) are equipped with and connect electric interface (71).
2. The spray gun for the automatic spraying of the surface of the aluminum profile according to claim 1 is characterized in that a primary atomizing head (8) is connected to the liquid outlet end of the liquid spraying hose (6), the primary atomizing head (8) comprises a circular tube end (81) with two open ends, a fixed shaft (82) is arranged at the central point of the circular tube end (81), a radial liquid separating strip (83) is arranged between the outer circumference of the fixed shaft (82) and the inner circumferential wall of the circular tube end (81), the fixed shaft (82) is fixedly connected with the assembling head (11) at the head of the gun body (1), and the liquid outlet end of the liquid spraying hose (6) is led out from the assembling head (11) to the atomizing chamber (21).
3. The spray gun for the automatic spraying of the surface of the aluminum profile as claimed in claim 1, characterized in that a sponge pipe sleeve (4) is arranged in the gun body (1), the compressed air spray pipe (5) is positioned in the sponge pipe sleeve (4), and a threaded interface (52) connected with an external air supply source is arranged at the air inlet end of the compressed air spray pipe (5).
4. The spray gun for the automatic spraying of the surface of the aluminum profile according to claim 3, wherein a nozzle (51) of the compressed air spray pipe (5) is in a necking shape, and the pipe section diameter corresponding to the nozzle (51) is smaller than that of a pipe section corresponding to an air inlet end of the compressed air spray pipe (5).
5. The spray gun for the automatic spraying of the surface of the aluminum profile according to claim 1, characterized in that the spray gun head (2) is detachably connected to the head of the gun body (1) through a gun cap (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029749.XU CN210994842U (en) | 2019-11-21 | 2019-11-21 | Spray gun for automatic spraying of aluminum profile surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029749.XU CN210994842U (en) | 2019-11-21 | 2019-11-21 | Spray gun for automatic spraying of aluminum profile surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210994842U true CN210994842U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922029749.XU Active CN210994842U (en) | 2019-11-21 | 2019-11-21 | Spray gun for automatic spraying of aluminum profile surface |
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| CN (1) | CN210994842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558710A (en) * | 2022-03-02 | 2022-05-31 | 桂甸 | Aluminum profile electrostatic spraying production line |
-
2019
- 2019-11-21 CN CN201922029749.XU patent/CN210994842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558710A (en) * | 2022-03-02 | 2022-05-31 | 桂甸 | Aluminum profile electrostatic spraying production line |
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