CN111203333A - Manual electrostatic spray gun - Google Patents
Manual electrostatic spray gun Download PDFInfo
- Publication number
- CN111203333A CN111203333A CN201811392674.5A CN201811392674A CN111203333A CN 111203333 A CN111203333 A CN 111203333A CN 201811392674 A CN201811392674 A CN 201811392674A CN 111203333 A CN111203333 A CN 111203333A
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- CN
- China
- Prior art keywords
- powder
- spray gun
- powder pipeline
- electrode
- pipeline
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/16—Arrangements for supplying liquids or other fluent material
- B05B5/1683—Arrangements for supplying liquids or other fluent material specially adapted for particulate materials
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- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses a manual electrostatic spray gun, which comprises a spray gun shell, a spray head, a high-voltage electrostatic generator, a powder pipeline and an electrode, wherein the powder pipeline is a straight pipe with a smooth inner wall, the powder pipeline extends from the right side of the spray gun shell to a powder outlet end, the high-voltage electrostatic generator is arranged in a handle of the spray gun shell, the powder outlet end is provided with an electrode interface, the spray head comprises a spray head shell, a connecting component and a spray nozzle, the connecting component is matched with the powder pipeline, the spray head shell is fixedly connected with the powder outlet end, the right end of the connecting component is provided with a connecting pipe matched with the powder pipeline, the spray nozzle is arranged at the left part of the connecting component, the electrode is arranged on a central axis of an inner hole of the spray nozzle, the connecting component is provided with an electrode connector corresponding to the electrode. The manual electrostatic spray gun can avoid mixing of residual powder and new powder, is efficient and convenient, and can improve the spraying quality.
Description
Technical Field
The invention relates to the field of spraying tools, in particular to a manual electrostatic spray gun.
Background
In the electrostatic coating, a grounded object to be coated is used as a positive electrode, a coating atomizing device is used as a negative electrode, the coating atomizing device is provided with high negative voltage, an electrostatic boundary is formed between two electrodes, atomized coating particles are charged negatively, and the coating is effectively absorbed on the surface of the object to be coated. In a coating process flow line, an electrostatic spray gun is the most core equipment. The interface setting of current manual electrostatic spray gun with power cord and powder pipeline is usually at the handle lower extreme, and sets up high-voltage electrostatic generator in the handle top of the rifle body, and the internal powder passageway of rifle upwards extends from the rifle body handle, and the right angle is bent again and is extended towards nozzle department, and the powder passageway of this kind of structure has set up the portion of bending, and in the powder transmission process, can glue on the pipe wall, difficult clearance, when needs change powder, can be more loaded down with trivial details, therefore need improve it.
Disclosure of Invention
The invention aims to provide a manual electrostatic spray gun aiming at the problems that the conventional manual static and dynamic electric spray gun in the background art is easy to adhere powder to the wall of a powder channel and the powder replacement is complicated.
The technical scheme for realizing the purpose of the invention is as follows:
a manual electrostatic spray gun comprises a spray gun shell, a spray head, a high-voltage electrostatic generator, a powder pipeline and an electrode, wherein the spray head is arranged at a powder outlet end on the left side of the spray gun shell, the powder pipeline is a straight pipe with a smooth inner wall, the powder pipeline extends from the right side of the spray gun shell to the powder outlet end, the right end of the powder pipeline extends to the outside of the spray gun shell, a pipe joint connected with an external powder pipeline is arranged at the right end of the powder pipeline, the high-voltage electrostatic generator is arranged in a handle of the spray gun shell, a power line joint is arranged at the lower part of the handle, an electrode interface is arranged at the powder outlet end and is connected with the high-voltage electrostatic generator through a lead, the spray head comprises a spray head shell, a connecting assembly matched with the powder pipeline and a spray nozzle, the spray head shell is, the connecting pipe extends to the inside of powder pipeline, be equipped with the sealing washer at the outer wall of connecting pipe and powder pipeline complex position, the nozzle sets up the left part at coupling assembling, be equipped with conical hole in the nozzle, the hole of nozzle sets up with the axle center with the powder pipeline, the electrode setting is on the axis of nozzle hole, the last electrode joint that corresponds with the electrode interface that is equipped with of coupling assembling, the electrode passes through the wire and is connected with electrode joint, be equipped with the spanner on the spray gun casing, the spanner is connected with the switch of control high voltage static generator and powder pump.
In the scheme, the lower part of the handle of the spray gun shell is provided with the fixing frame for fixing the external powder pipeline and the power line, and the power line is prevented from being separated from the external powder pipeline in the use process of the manual electrostatic spray gun through the fixing frame.
In the scheme, a hook is arranged at the position, close to the top of the right end, outside the spray gun shell.
The invention has the following beneficial effects: the manual electrostatic spray gun adopts the powder pipeline with the straight pipe with the smooth inner wall, powder enters the powder pipeline through the powder pump and then linearly moves forward without obstruction in the advancing process, so that the powder cannot be attached to the pipe wall, meanwhile, the powder pipeline is arranged into the straight pipe, the whole length of the powder pipeline is shortened, in the spraying process, when powder of one color is sprayed and powder of different colors needs to be replaced, the powder remained in the powder pipeline can be removed only by blowing air into the powder pipeline, the manual electrostatic spray gun is more efficient and convenient, the residual powder of different colors can be prevented from being mixed with new powder, and the spraying quality is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1 is a spray gun housing, 11 is a powder outlet end, 12 is a handle, 13 is an electrode interface, 14 is a wrench, 2 is a spray head, 21 is a spray head housing, 22 is a connecting assembly, 221 is a connecting pipe, 222 is a sealing ring, 223 is an electrode connector, 23 is a spray nozzle, 3 is a high-voltage electrostatic generator, 31 is a power line connector, 4 is a powder pipeline, 41 is a pipe connector, 5 is an electrode, 6 is a fixing frame, 7 is a hook, and 8 is an external powder pipeline.
Detailed Description
In order to make the technical problems, solutions and achievement effects of the invention clearer, the following detailed description is given with reference to the accompanying drawings, all examples are only partial and not all examples of the invention, and other examples of non-inventive achievements of the skilled person belong to the protection scope of the invention.
As shown in fig. 1, the manual electrostatic spray gun of the present invention comprises a spray gun housing 1, a spray head 2, a high voltage electrostatic generator 3, a powder pipeline 4 and an electrode 5, wherein the spray head 2 is arranged at a powder outlet end 11 at the left side of the spray gun housing 1, the powder pipeline 4 is a straight pipe with a smooth inner wall, the powder pipeline 4 extends from the right side of the spray gun housing 1 to the powder outlet end 11, the right end of the powder pipeline 4 extends to the outside of the spray gun housing 1, a pipe joint 41 connected with an external powder pipeline 8 is arranged at the right end of the powder pipeline 4, the high voltage electrostatic generator 3 is arranged in a handle 12 of the spray gun housing 1, a power line joint 31 is arranged at the lower part of the handle 12, an electrode joint 13 is arranged at the powder outlet end 11, the electrode joint 13 is connected with the high voltage electrostatic generator 3 through a wire, the spray head 2 comprises a spray head housing 21, the spray head shell 21 is fixedly connected with the powder outlet end 11, the right end of the connecting assembly 22 is provided with a connecting pipe 221 matched with the powder pipeline 4, the connecting pipe 221 extends to the inside of the powder pipeline 4, a sealing ring 222 is arranged at the position, matched with the powder pipeline 4, of the outer wall of the connecting pipe 221, the nozzle 23 is arranged at the left part of the connecting assembly 22, a conical inner hole is formed in the nozzle 23, the inner hole of the nozzle 23 and the powder pipeline 4 are coaxially arranged, the electrode 5 is arranged on the central axis of the inner hole of the nozzle, the connecting assembly 22 is provided with an electrode connector 223 corresponding to the electrode connector 13, the electrode 5 is connected with the electrode connector 13 through a lead, the spray gun shell 1 is provided with a wrench 14, and the wrench 14 is connected with.
In the scheme, the lower part of the handle 12 of the spray gun shell 1 is provided with the fixing frame 6 for fixing the external powder pipeline 8 and the power line, and the power line is prevented from being separated from the external powder pipeline in the use process of the manual electrostatic spray gun through the fixing frame 6.
In the scheme, a hook 7 is arranged at the position, close to the top of the right end, outside the spray gun shell 1.
When the manual electrostatic spray gun is used, the power line connector 31 is connected with an external power supply, the connector 41 of the powder pipeline 4 is connected with the external powder pipeline 8, the external powder pipeline 8 is connected with the powder pump, the powder pump is connected to a powder container for storing powder, and a device for fluidizing the powder in air is arranged in the powder container. Before the electrostatic spraying device is used, an object to be coated is grounded, when a user holds a hand-operated electrostatic spray gun to press a wrench 14 of the electrostatic spray gun, a high-voltage electrostatic generator 3 and a powder pump start to work, powder in a powder container is fluidized in an air mode and then enters a powder pipeline 4 in the spray gun through an external powder pipeline 8, the powder reaches a nozzle 23 through a connecting assembly 22 of a spray head 2, negative charges are carried in the nozzle 23 when passing through an electrode 5, the negative charges are sprayed out through an outlet of the nozzle 23 and sprayed onto the object to be coated, and electrostatic spraying work is achieved. The manual electrostatic spray gun adopts the powder pipeline with the straight pipe with the smooth inner wall, powder enters the powder pipeline through the powder pump and then linearly moves forward without obstruction in the advancing process, so that the powder cannot be attached to the pipe wall, meanwhile, the powder pipeline is arranged into the straight pipe, the whole length of the powder pipeline is shortened, in the spraying process, when powder of one color is sprayed and powder of different colors needs to be replaced, the powder remained in the powder pipeline can be removed only by blowing air into the powder pipeline, the manual electrostatic spray gun is more efficient and convenient, the residual powder of different colors can be prevented from being mixed with new powder, and the spraying quality is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (3)
1. A manual electrostatic spray gun, characterized by: the spray head is arranged at the powder outlet end on the left side of the spray gun shell, the powder pipeline is a straight pipe with a smooth inner wall, the powder pipeline extends from the right side of the spray gun shell to the powder outlet end, the right end of the powder pipeline extends to the outside of the spray gun shell, a pipe joint connected with an external powder pipeline is arranged at the right end of the powder pipeline, the high-voltage electrostatic generator is arranged in a handle of the spray gun shell, a power line joint is arranged at the lower part of the handle, an electrode interface is arranged at the powder outlet end, the electrode interface is connected with the high-voltage electrostatic generator through a lead, the spray head comprises a spray head shell, a connecting assembly and a spray nozzle which are matched with the powder pipeline, the spray head shell is fixedly connected with the powder outlet end, a connecting pipe matched with the powder pipeline is arranged at the right end of the connecting assembly, the outer wall of the connecting pipe is provided with a sealing ring at the position matched with the powder pipeline, the nozzle is arranged at the left part of the connecting assembly, a conical inner hole is arranged in the nozzle, the inner hole of the nozzle and the powder pipeline are coaxially arranged, the electrode is arranged on the central axis of the inner hole of the nozzle, the connecting assembly is provided with an electrode connector corresponding to the electrode interface, the electrode is connected with the electrode connector through a lead, a wrench is arranged on the spray gun shell and is connected with a switch for controlling the high-voltage electrostatic generator and the powder pump.
2. The manual electrostatic spray gun of claim 1, wherein: the lower part of the handle of the spray gun shell is provided with a fixing frame for fixing an external powder pipeline and a power line, and the power line is prevented from being separated from the external powder pipeline in the use process of the manual electrostatic spray gun through the fixing frame.
3. The manual electrostatic spray gun of claim 1, wherein: and a hook is arranged at the position, close to the top of the right end, outside the spray gun shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392674.5A CN111203333A (en) | 2018-11-21 | 2018-11-21 | Manual electrostatic spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392674.5A CN111203333A (en) | 2018-11-21 | 2018-11-21 | Manual electrostatic spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111203333A true CN111203333A (en) | 2020-05-29 |
Family
ID=70782561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811392674.5A Pending CN111203333A (en) | 2018-11-21 | 2018-11-21 | Manual electrostatic spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111203333A (en) |
-
2018
- 2018-11-21 CN CN201811392674.5A patent/CN111203333A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200529 |
|
| WD01 | Invention patent application deemed withdrawn after publication |