CN113000238A - Electrostatic friction spray gun - Google Patents
Electrostatic friction spray gun Download PDFInfo
- Publication number
- CN113000238A CN113000238A CN202110255018.6A CN202110255018A CN113000238A CN 113000238 A CN113000238 A CN 113000238A CN 202110255018 A CN202110255018 A CN 202110255018A CN 113000238 A CN113000238 A CN 113000238A
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- CN
- China
- Prior art keywords
- electrostatic
- friction
- gun
- spray gun
- barrel
- Prior art date
- 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.)
- Pending
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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
- B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
- B05B5/032—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying for spraying particulate materials
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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
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/047—Discharge apparatus, e.g. electrostatic spray guns using tribo-charging
Abstract
The invention discloses a medium electrostatic friction spray gun, comprising: the mixing device is provided with an air pipe connector and a powder pipe connector; the electrostatic friction gun barrel is connected with a discharge port of the mixing device, an inner friction rod is arranged inside the electrostatic friction gun barrel, and the inner friction rod is coaxial with the electrostatic friction gun barrel; the shower nozzle, shower nozzle include communicating pipe and a plurality of bleeder, and the one end and the electrostatic friction barrel intercommunication of communicating pipe, a plurality of bleeder set up in the other end of communicating pipe, are equipped with the nozzle on every bleeder. The coating film is uniform and flat, can enter deep concave parts for spraying, does not generate dead angles, is simple to coat and is convenient to clean after being used.
Description
Technical Field
The invention belongs to the field of spraying equipment, and particularly relates to an electrostatic friction spray gun.
Background
Electrostatic spray guns are fundamental products of the modernization of industrial spray equipment. In the coating process assembly line, the electrostatic spray gun is a main body of the most core equipment for surface treatment, and the electrostatic spray gun is a coating atomizer and an electrostatic electrode generator by using a low-voltage high-atomization device and generating electrostatic electric field force through an electrostatic generator to efficiently and quickly spray coating on the surface of a coated object so as to enable the coated object to achieve perfect surface treatment. The traditional electrostatic friction spray gun only has one spray opening, so that the operation difficulty is high, the spraying is not uniform, and the requirement on the spraying technology of workers is high. Meanwhile, the surface of a workpiece with difficult and complicated grooves is difficult to spray, and a spray gun is difficult to clean after the spraying is finished.
Therefore, it is desired to develop an electrostatic friction spray gun, which has a uniform and flat coating film, can enter a deep recess for spraying, does not generate a dead angle, is simple to coat, and is convenient to clean.
Disclosure of Invention
The invention aims to provide an electrostatic friction spray gun which is uniform and flat in coating, can enter a deep concave position for spraying, does not generate dead angles, is simple to coat and is convenient to clean.
In order to achieve the above object, the present invention provides an electrostatic friction spray gun comprising:
the mixing device is provided with an air pipe connector and a powder pipe connector;
the electrostatic friction gun barrel is connected with a discharge port of the mixing device, an inner friction rod is arranged inside the electrostatic friction gun barrel, and the inner friction rod is coaxial with the electrostatic friction gun barrel;
the shower nozzle, the shower nozzle includes communicating pipe and a plurality of bleeder, communicating pipe one end with the static friction barrel intercommunication, a plurality of bleeder set up in the other end of communicating pipe, every be equipped with the nozzle on the bleeder.
Preferably, the inside compounding screw rod that is equipped with of compounding device, the compounding screw rod is connected in drive power supply, and follows the axial setting of inner friction pole, be equipped with the compounding blade on the compounding screw rod.
Preferably, the outer surface of the inner friction rod is provided with a plurality of annular protrusions which are distributed along the axial direction of the inner friction rod.
Preferably, the outer wall of the electrostatic friction barrel is provided with a grounding wire.
Preferably, the spray head further comprises a fixing rod, and the plurality of branch pipes are fixedly connected to the fixing rod and distributed in an umbrella shape.
Preferably, the mixing device is connected with the electrostatic friction gun barrel through threads.
Preferably, the spray head is connected with the electrostatic friction gun barrel through threads.
Preferably, the electrostatic friction gun further comprises a gun rack fixedly connected to the electrostatic friction gun barrel.
The invention has the beneficial effects that: the powder and the high-pressure air are mixed into suspended particles in the mixing device, the suspended particles enter the electrostatic friction gun barrel, and are rubbed with the inner friction rod under the pushing of the high-pressure air to generate static electricity, and the static electricity is dispersed into the branch pipes through the spray heads and is uniformly sprayed to the surface of a workpiece through the spray heads at the end parts of the branch pipes. The branch pipes are arranged to be even and flat in coating film and can extend into the deep concave part for spraying.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic block diagram of an electrostatic tribo-spray gun according to an embodiment of the present invention.
Description of the reference numerals
1. A mixing device; 2. electrostatically rubbing the barrel; 3. a spray head; 4. a communicating pipe; 5. a branch pipe;
6. a nozzle; 7. an air pipe connector; 8. a powder tube interface; 9. and a ground line.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The electrostatic friction spray gun according to the present invention comprises:
the mixing device is provided with an air pipe connector and a powder pipe connector;
the electrostatic friction gun barrel is connected with a discharge port of the mixing device, an inner friction rod is arranged inside the electrostatic friction gun barrel, and the inner friction rod is coaxial with the electrostatic friction gun barrel;
the shower nozzle, shower nozzle include communicating pipe and a plurality of bleeder, and the one end and the electrostatic friction barrel intercommunication of communicating pipe, a plurality of bleeder set up in the other end of communicating pipe, are equipped with the nozzle on every bleeder.
Specifically, powder and high-pressure air are mixed into suspended particles in the mixing device, the suspended particles enter an electrostatic friction gun barrel, and are rubbed with an inner friction rod under the pushing of the high-pressure air to generate static electricity, and the static electricity is dispersed into a plurality of branch pipes through nozzles and is uniformly sprayed to the surface of a workpiece through the nozzles at the end parts of the branch pipes. The branch pipes are arranged to be even and flat in coating film and can extend into the deep concave part for spraying.
As preferred scheme, the inside compounding screw rod that is equipped with of compounding device, compounding screw rod connect in drive power supply, and along the axial setting of inner friction pole, be equipped with the compounding blade on the compounding screw rod.
Specifically, a mixing screw and a mixing blade are arranged, so that powder and high-pressure air are better mixed, and atomization is more uniform.
Preferably, the outer surface of the inner friction rod is provided with a plurality of annular protrusions which are distributed along the axial direction of the inner friction rod.
Specifically, a plurality of annular bulges are arranged, so that the friction area between the inner friction rod and the coating is increased, and the powder fully carries charges.
Preferably, the outer wall of the electrostatic friction gun barrel is provided with a grounding wire.
As the preferred scheme, the spray head also comprises a fixed rod, and the plurality of branched pipes are fixedly connected to the fixed rod and distributed in an umbrella shape.
Preferably, the mixing device is connected with the electrostatic friction gun barrel through threads.
Preferably, the spray head is connected with the electrostatic friction gun barrel through threads.
Specifically, threaded connection is convenient to detach, and cleaning of the spray gun is facilitated.
Preferably, the electrostatic friction gun further comprises a gun frame fixedly connected to the electrostatic friction gun barrel.
Particularly, the gun rack is arranged, so that the spray gun is convenient to fix and is also convenient to hold by hand for taking.
Examples
Fig. 1 shows a schematic configuration diagram of an electrostatic tribo-spray gun according to the present embodiment.
As shown in fig. 1, the electrostatic friction spray gun includes:
the mixing device 1 is provided with an air pipe connector 7 and a powder pipe connector 8, a mixing screw is arranged in the mixing device 1, the mixing screw is connected to a driving power supply and is arranged along the axial direction of the inner friction rod, and a mixing blade is arranged on the mixing screw; the electrostatic friction gun barrel 2 is connected with a discharge port of the mixing device 1 through threads, an inner friction rod is arranged inside the electrostatic friction gun barrel 2 and is coaxial with the electrostatic friction gun barrel 2, a plurality of annular protrusions are arranged on the outer surface of the inner friction rod and are distributed along the axial direction of the inner friction rod, a grounding wire 9 is arranged on the outer wall of the electrostatic friction gun barrel 2, and the gun rack is fixedly connected to the electrostatic friction gun barrel; shower nozzle 3 includes communicating pipe 4 and a plurality of bleeder 5, and the one end of communicating pipe 4 and 2 screw threads of electrostatic friction barrel communicate, and a plurality of bleeder 5 set up in the other end of communicating pipe 4, are equipped with nozzle 6 on every bleeder 5, and 5 fixed connection in a plurality of bleeder are umbelliform and distribute in the dead lever.
The powder and the high-pressure air are mixed into suspended particles in the mixing device, the suspended particles enter the electrostatic friction gun barrel, and are rubbed with the inner friction rod under the pushing of the high-pressure air to generate static electricity, and the static electricity is dispersed into the branch pipes through the spray heads and is uniformly sprayed to the surface of a workpiece through the spray heads at the end parts of the branch pipes. The branch pipes are arranged to be even and flat in coating film and can extend into the deep concave part for spraying.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. An electrostatic tribo-spray gun, comprising:
the mixing device is provided with an air pipe connector and a powder pipe connector;
the electrostatic friction gun barrel is connected with a discharge port of the mixing device, an inner friction rod is arranged inside the electrostatic friction gun barrel, and the inner friction rod is coaxial with the electrostatic friction gun barrel;
the shower nozzle, the shower nozzle includes communicating pipe and a plurality of bleeder, communicating pipe one end with the static friction barrel intercommunication, a plurality of bleeder set up in the other end of communicating pipe, every be equipped with the nozzle on the bleeder.
2. The electrostatic friction spray gun according to claim 1, wherein a mixing screw is arranged inside the mixing device, the mixing screw is connected to a driving power supply and is arranged along the axial direction of the inner friction rod, and a mixing blade is arranged on the mixing screw.
3. The electrostatic tribo-spray gun of claim 1, wherein the outer surface of the inner friction bar is provided with a plurality of annular protrusions distributed along the axial direction of the inner friction bar.
4. The electrostatic friction spray gun of claim 1 wherein the outer wall of the electrostatic friction gun barrel is provided with a ground lead.
5. The electrostatic tribo-spray gun of claim 1, wherein said spray head further comprises a retaining rod, said plurality of branch tubes being fixedly connected to said retaining rod and arranged in an umbrella shape.
6. The electrostatic tribo-spray gun of claim 1, wherein the mixing device is threadably connected to the electrostatic tribo-gun barrel.
7. The electrostatic friction spray gun of claim 1 wherein said spray head is threadably connected to said electrostatic friction barrel.
8. The electrostatic tribo spray gun of claim 1, further comprising a gun holder fixedly attached to the electrostatic tribo gun barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255018.6A CN113000238A (en) | 2021-03-09 | 2021-03-09 | Electrostatic friction spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255018.6A CN113000238A (en) | 2021-03-09 | 2021-03-09 | Electrostatic friction spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113000238A true CN113000238A (en) | 2021-06-22 |
Family
ID=76402770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110255018.6A Pending CN113000238A (en) | 2021-03-09 | 2021-03-09 | Electrostatic friction spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113000238A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0314049A2 (en) * | 1987-10-27 | 1989-05-03 | Veb Infrarot-Anlagen Oranienburg | Powder spray gun with electrocinetic charging |
| US20040069870A1 (en) * | 2001-02-08 | 2004-04-15 | Adrien Lacchia | Triboelectric sprayer |
| CN205436083U (en) * | 2016-03-23 | 2016-08-10 | 张雷 | Manual friction static powder spray gun |
| CN210187450U (en) * | 2019-07-02 | 2020-03-27 | 惠州市鑫鹏达机电有限公司 | Electrostatic powder spray gun |
| TWM593291U (en) * | 2019-11-20 | 2020-04-11 | 長築實業股份有限公司 | Tribomatic spray gun |
-
2021
- 2021-03-09 CN CN202110255018.6A patent/CN113000238A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0314049A2 (en) * | 1987-10-27 | 1989-05-03 | Veb Infrarot-Anlagen Oranienburg | Powder spray gun with electrocinetic charging |
| US20040069870A1 (en) * | 2001-02-08 | 2004-04-15 | Adrien Lacchia | Triboelectric sprayer |
| CN205436083U (en) * | 2016-03-23 | 2016-08-10 | 张雷 | Manual friction static powder spray gun |
| CN210187450U (en) * | 2019-07-02 | 2020-03-27 | 惠州市鑫鹏达机电有限公司 | Electrostatic powder spray gun |
| TWM593291U (en) * | 2019-11-20 | 2020-04-11 | 長築實業股份有限公司 | Tribomatic spray gun |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210622 |
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| RJ01 | Rejection of invention patent application after publication |