CN200974047Y - Small-diameter pipeline inner wall static powder spraying gun - Google Patents
Small-diameter pipeline inner wall static powder spraying gun Download PDFInfo
- Publication number
- CN200974047Y CN200974047Y CN 200620035778 CN200620035778U CN200974047Y CN 200974047 Y CN200974047 Y CN 200974047Y CN 200620035778 CN200620035778 CN 200620035778 CN 200620035778 U CN200620035778 U CN 200620035778U CN 200974047 Y CN200974047 Y CN 200974047Y
- Authority
- CN
- China
- Prior art keywords
- nozzle support
- nozzle
- cover
- puts
- insulation
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an electrostatic dusting spray gun with small-bore piping inner wall, which comprises an insulation shell, an inner dusting tube, a cooling air drain, as well as a high-tension cable interface arranged in the insulation shell along the axial line direction of the insulation shell, a nozzle support case positioned in the front end of the insulation shell, supported on the inner wall of the insulation shell, and communicated with the cooling air drain, a nozzle rectifier case matched with the nozzle support case, a baffle plate with one end inserted into the nozzle rectifier case, an aerosol spray road for the powder coating between the baffle plate and the nozzle rectifier case and communicated with the cooling air drain, an electrode positioned between the nozzle rectifier case and the nozzle support case and fixed on the nozzle support case is provided with a hole communicated with the channel on the nozzle support case and the nozzle rectifier case, the nozzle support case is provided with an electric conduction pinhole along the axial line of the insulation shell, and an electric conduction pin is positioned in the electric conduction pinhole and two ends are separately communicated with the electrode and high-tension cable interface. The utility model can conduct the corona coating, and preclude spark within a small space, thus effectively improving the charging rate of the powder with good coating quality.
Description
Technical field:
The utility model is relevant with spray gun, special with can be in small-bore pipeline that cold and hot workpiece employing corona charging mode is carried out the small-bore pipeline inwall electrostatic dusting spray gun of powder coated is relevant.
Background technology:
At present, known electrostatic coating adopts the corona charging mode to apply, charged equipment is finished by high-voltage generator and discharge electrode and electrostatic delivery element and powder transmission and water conservancy diversion and jockey, because the electric field that is produced need take its size of certain space and be directly proportional with the electrostatic pressure value, and because the strong back-ionization of the too little generation of discharge space, simultaneously because the shortening (20-30mm) of arcing distance, easily produce the short circuit sparking, can cause that when damaging existing coating vaporific powder is quick-fried right, there is bigger potential safety hazard, traditional on the other hand spray gun is made by the common engineering plastics owing to volume is complex-shaped greatly, can't be at caliber Φ 50～Φ 150mm, length is to work in the interior less high-temperature space of 10m, thereby carries out the generally acknowledged forbidden zone of corona spraying becoming in little space.
The utility model content:
The purpose of this utility model is in order to provide a kind of corona that can carry out in little space to spray, stop sparking, effectively to improve the charge rate of powder, the small-bore pipeline inwall electrostatic dusting spray gun that coating quality is good.
The purpose of this utility model is achieved in that
The utility model small-bore pipeline inwall electrostatic dusting spray gun, comprise insulation crust, be arranged on interior tube cell in the insulation crust along the insulation crust axis direction, cooling airway, HV-cable, be positioned at the nozzle support cover that communicates with tube cell and cooling airway on the insulation crust inwall of being supported on of insulation crust front end, the nozzle rectification cover that cooperates with the nozzle support cover, one end inserts the deflector in the nozzle rectification cover, deflector has the powdery paints atomized spray road that communicates with interior tube cell and cooling airway with nozzle rectification inner room, be positioned at nozzle rectification cover and nozzle support inner room and be fixed on the hole that has the passage that puts with nozzle support cover and nozzle rectification to communicate on the electrode that nozzle support puts, nozzle support cover upper edge insulation crust axis direction has the conduction pin hole, and conductive pin is arranged in the conduction pin hole and two ends communicate with electrode and HV-cable respectively.
Above-mentioned nozzle rectification puts the hollow helical intake that communicates with cooling airway, makes powder atomization more abundant.
Above-mentioned cooling airway is made up of the back cooling airway that puts the preceding cooling airway that the hollow helical intake communicates, the middle cooling airway that is connected with preceding cooling airway with the nozzle rectification, be communicated with middle cooling airway, and cooling effect is good.
Above-mentioned nozzle support rectification cover periphery has all-in-one-piece gear ring with it, and refrigerating gas is evenly passed through.
The adapter sleeve that is connected with nozzle support cover rear end is arranged in the above-mentioned insulation crust, front end stretches in the adapter sleeve and the back cover that contacts with nozzle support cover rear end face, HV-cable puts after being positioned at, there is the conduction pin hole conductive pin hole site that puts with respect to nozzle support at the back cover, the nozzle support cover overlaps with the back the little trepanning of insulation that communicates with the conduction pin hole respectively on the corresponding end, insulation be sleeved on for a short time nozzle support cover and after on the little trepanning of insulation that puts, the distance that the little cover that insulate increases electric power and punctures, insulation effect is good.
Above-mentioned interior tube cell front end is the taper hole that front end is big, the rear end is little with respect to the electrode place, and charged effect was better when powdery paints was passed through.
Above-mentioned insulation involucrum tailing screw flight is connected with the back Connection Block head of band powder inlet, cable accessing port, cold gas inlet.
The utility model adopted built-in charging electrode and under insulation crust spiral cooling rotation general mood road, during work, turn-on current, inwardly tube cell, cooling airway are imported powdery paints and cooling air respectively.The high-pressure electrostatic of working host output conducts to the electrode that the internal discharge pin reliably conducts to head through high-tension cable, when powdery paints passes through electrode at a high speed, the discharge of electrode multiple spot forms highfield, decompose short circuit current simultaneously, make powdery paints charged, the powdery paints after charged enters and sprays from powdery paints atomized spray road behind the air atomizing that powder atomization between nozzle rectification cover and deflector sprays road and cooling airway output and evenly be coated on the workpiece.
The utility model adopts the brand-new charged mode of inside distributing electrode, electric field is prolonged along axis direction, and use special electrode, and the most advanced and sophisticated charged working method that its charged efficient is more traditional improves 20-25% under equal operating mode.No spark phenomenon and satisfy requirement at 250 ℃ of hot operations of pipe interior, its distinctive spirality auxiliary port plays the effect of cooling spraying working head when well carrying out three atomizings.
The utility model is stopped sparking, makes rechargeable energy reach maximum simultaneously, has effectively improved the charged rate of powder.And being applicable to cold conditions and hot (≤250 ℃) two kinds of operating modes simultaneously, spraying can obtain good coating quality in small-bore pipeline.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the utility model structure separation graph.
The specific embodiment:
Referring to Fig. 1～Fig. 3, this small-bore pipeline inwall electrostatic dusting spray gun, comprise insulation crust 1, be arranged on interior tube cell 2 in the insulation crust along the insulation crust axis direction, cooling airway 3, HV-cable 4, the nozzle support that communicates with tube cell and cooling airway that is supported on the insulation crust inwall that is positioned at the insulation crust front end overlaps 5, the nozzle rectification cover 6 that cooperates with the nozzle support cover, one end inserts the deflector 7 in the nozzle rectification cover, deflector has the powdery paints atomized spray road 8 that communicates with interior tube cell and cooling airway with nozzle rectification inner room, be positioned at nozzle rectification cover and nozzle support inner room and be fixed on the hole 10 that has the passage that puts with nozzle support cover and nozzle rectification to communicate on the electrode 9 that nozzle support puts.The adapter sleeve 17 that is connected with nozzle support cover rear end is arranged in the insulation crust, and front end stretches in the adapter sleeve and the back cover 18 that contacts with nozzle support cover rear end face, puts after HV-cable is positioned at.Nozzle support cover upper edge insulation crust axis direction has conduction pin hole 11, in the conductive pin hole site that the back cover puts with respect to nozzle support conduction pin hole 19 is arranged, on nozzle support cover and the corresponding end of back cover the little trepanning 20 of insulation that communicates with the conduction pin hole is arranged respectively, the little cover 21 that insulate be contained in nozzle support overlap with after on the little trepanning of insulation that puts.
The nozzle rectification puts the hollow helical intake 12 that communicates with cooling airway, and periphery has all-in-one-piece gear ring 13 with it.
Cooling airway is made up of the back cooling airway that puts the preceding cooling airway 14 that the hollow cooling airway communicates, the middle cooling airway 15 that is communicated with preceding cooling airway with the nozzle rectification, be communicated with middle cooling airway 16.
Interior tube cell front end is the taper hole 22 that front end is big, the rear end is little with respect to the electrode place.
The insulation crust tailing screw flight is connected with the back Connection Block 26 of band powder inlet 23, cable accessing port 24, cold gas inlet 25, and holding screw 27 1 ends radially pass insulation crust and the back Connection Block is tightly packed in it on Connection Block of back.High-tension cable 30 1 ends are connected with HV-cable by cable accessing port.Spiral gas-tpe fitting 31, tube cell joint 32 are connected on the Connection Block of back.
Claims (9)
1, small-bore pipeline inwall electrostatic dusting spray gun, it is characterized in that comprising insulation crust, be arranged on interior tube cell in the insulation crust along the insulation crust axis direction, cooling airway, HV-cable, be positioned at the nozzle support cover that communicates with tube cell and cooling airway on the insulation crust inwall of being supported on of insulation crust front end, the nozzle rectification cover that cooperates with the nozzle support cover, one end inserts the deflector in the nozzle rectification cover, deflector has the powdery paints atomized spray road that communicates with interior tube cell and cooling airway with nozzle rectification inner room, be positioned at nozzle rectification cover and nozzle support inner room and be fixed on the hole that has the passage that puts with nozzle support cover and nozzle rectification to communicate on the electrode that nozzle support puts, nozzle support cover upper edge insulation crust axis direction has the conduction pin hole, and conductive pin is arranged in the conduction pin hole and two ends communicate with electrode and HV-cable respectively.
2, as 1 described small-bore pipeline inwall electrostatic dusting spray gun of claim, it is characterized in that the nozzle rectification puts the hollow helical intake that communicates with cooling airway.
3,, it is characterized in that cooling airway is made up of the back cooling airway that puts the preceding cooling airway that the hollow helical intake communicates, the middle cooling airway that is connected with preceding cooling airway with the nozzle rectification, communicate with middle cooling airway as 2 described small-bore pipeline inwall electrostatic dusting spray guns of claim.
4,, it is characterized in that nozzle support cover periphery has all-in-one-piece gear ring with it as 1 or 2 or 3 described small-bore pipeline inwall electrostatic dusting spray guns of claim.
5, as 1 or 2 or 3 described small-bore pipeline inwall electrostatic dusting spray guns of claim, it is characterized in that the adapter sleeve that is connected with nozzle support cover rear end is arranged in the insulation crust, front end stretches in the adapter sleeve and the back cover that contacts with nozzle support cover rear end face, HV-cable puts after being positioned at, there is the conduction pin hole conductive pin hole site that puts with respect to nozzle support at the back cover, on nozzle support cover and the corresponding end of back cover the little trepanning of insulation that communicates with the conduction pin hole is arranged respectively, insulation be sleeved on for a short time nozzle support overlap with after on the little trepanning of insulation that puts.
6, as 4 described small-bore pipeline inwall electrostatic dusting spray guns of claim, it is characterized in that the adapter sleeve that is connected with nozzle support cover rear end is arranged in the insulation crust, front end stretches in the adapter sleeve and the back cover that contacts with nozzle support cover rear end face, HV-cable puts after being positioned at, there is the discharge pin hole spray point hole site that puts with respect to nozzle support at the back cover, on nozzle support cover and the corresponding end of back cover the little trepanning of insulation that communicates with the discharge pin hole is arranged respectively, insulation be sleeved on for a short time nozzle support overlap with after on the little trepanning of insulation that puts.
7, as 1 or 2 or 3 described small-bore pipeline inwall electrostatic dusting spray guns of claim, the tube cell front end is the taper hole that front end is big, the rear end is little with respect to the electrode place in it is characterized in that.
8, small-bore pipeline inwall electrostatic dusting spray gun as claimed in claim 4, the tube cell front end is the taper hole that front end is big, the rear end is little with respect to the electrode place in it is characterized in that.
9,, it is characterized in that the insulation crust tailing screw flight is connected with the back Connection Block of band powder inlet, cable accessing port, cold gas inlet as 1 or 2 or 3 described small-bore pipeline inwall electrostatic dusting spray guns of claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035778 CN200974047Y (en) | 2006-09-29 | 2006-09-29 | Small-diameter pipeline inner wall static powder spraying gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035778 CN200974047Y (en) | 2006-09-29 | 2006-09-29 | Small-diameter pipeline inner wall static powder spraying gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200974047Y true CN200974047Y (en) | 2007-11-14 |
Family
ID=38900340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620035778 Expired - Fee Related CN200974047Y (en) | 2006-09-29 | 2006-09-29 | Small-diameter pipeline inner wall static powder spraying gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200974047Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500485A (en) * | 2011-11-17 | 2012-06-20 | 中冶京诚工程技术有限公司 | Annular discharging nozzle |
| WO2016015600A1 (en) * | 2014-07-31 | 2016-02-04 | 深圳市大富科技股份有限公司 | Electrostatic powder spray coating device and spray coating method |
| CN109759234A (en) * | 2019-02-22 | 2019-05-17 | 张茜美子 | Deduster |
-
2006
- 2006-09-29 CN CN 200620035778 patent/CN200974047Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500485A (en) * | 2011-11-17 | 2012-06-20 | 中冶京诚工程技术有限公司 | Annular discharging nozzle |
| WO2016015600A1 (en) * | 2014-07-31 | 2016-02-04 | 深圳市大富科技股份有限公司 | Electrostatic powder spray coating device and spray coating method |
| CN109759234A (en) * | 2019-02-22 | 2019-05-17 | 张茜美子 | Deduster |
| CN109759234B (en) * | 2019-02-22 | 2020-01-14 | 张茜美子 | Dust remover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203635379U (en) | Multi-electrode charging electrostatic spray head | |
| CN200974047Y (en) | Small-diameter pipeline inner wall static powder spraying gun | |
| CN109668169B (en) | Aero-engine combustion chamber plasma auxiliary atomization ignition nozzle | |
| CN102908738B (en) | Two-phase flow superfine water mist nozzle | |
| CN106694265A (en) | Bubble type electrostatic nozzle | |
| CN203170970U (en) | Direct current plasma temperature field restraining molybdenum powder balling device | |
| CN204933779U (en) | New-type carbon black fuel Oil gun head | |
| CN206935600U (en) | A kind of bubble type static nozzle | |
| CN107662701A (en) | One planting fruit-trees spraying operation plant protection unmanned plane | |
| CN104748144B (en) | Gas-liquid coaxial ejection liquid fuel electrostatic atomization nozzle | |
| CN107096658A (en) | A kind of tobacco charging electrostatic atomization nozzle | |
| CN105013635B (en) | A kind of nozzle | |
| CN103480519B (en) | Anti-power-failure arc spraying gun | |
| CN215313222U (en) | Rotary spray gun | |
| CN201500603U (en) | Spray gun for coating static powder in pipeline | |
| CN211026762U (en) | Powder spraying type electrostatic spray gun | |
| CN201079755Y (en) | Plasma spray gun | |
| CN104266185A (en) | Fuel oil atomization ejector | |
| CN206676578U (en) | A kind of tobacco charging electrostatic atomization nozzle | |
| CN211028489U (en) | Cutting torch and automatic ignition cutting gun | |
| CN205269953U (en) | Self-mixing flat gun nozzle for spraying | |
| CN203764438U (en) | Arc spray gun | |
| CN107570343B (en) | Gas-liquid double-fluid electrostatic atomization device | |
| CN107413543B (en) | Induction type electrostatic spray head | |
| CN209061436U (en) | A kind of spray head for drilling tool inner coating basecoat paint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20100929 |