CN202316168U - Ring discharge nozzle - Google Patents
Ring discharge nozzle Download PDFInfo
- Publication number
- CN202316168U CN202316168U CN 201120456911 CN201120456911U CN202316168U CN 202316168 U CN202316168 U CN 202316168U CN 201120456911 CN201120456911 CN 201120456911 CN 201120456911 U CN201120456911 U CN 201120456911U CN 202316168 U CN202316168 U CN 202316168U
- Authority
- CN
- China
- Prior art keywords
- overcoat
- umbrella
- discharge nozzle
- umbrella hat
- ring discharge
- 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 - Lifetime
Links
Images
Abstract
The utility model relates to a ring discharge nozzle, which is formed by an outer shell and an umbrella-type cap fixedly sleeved in the outer shell, wherein the outer shell is of a tubular structure; the lower part of the tube body is provided with a horn-shaped opening with an inner diameter and an outer diameter which are gradually being enlarge; the umbrella-type cap is of a rotary body structure; the top part of the umbrella-type cap is in a cone shape, the middle part of the umbrella-type cap is of a cylinder shape, and the lower part of the umbrella-type cap has a gradually enlarged diameter so as to form a gradual enlargement part corresponding to the horn-shaped opening of the outer shell in shape; uniform annular cavities is formed between the outer shell and the umbrella-type cap; at least one of the outer shell and the umbrella-type cap is made of a metal conducting material and is provided with an annular sharp corner on an outer edge on the lower end; and the metal conducting materials is connected with a static generator high voltage output line. The nozzle adopts an 'annular' discharge manner, so that a stronger electrostatic field can be generated, powder coatings are not easy to take away when base materials are moved at high speed under the condition of high speed, and the deposition efficiency can be greatly improved. The ring discharge nozzle is applied to high-speed coiled material spraying production, and the powder can be ensured to be uniformly sprayed on the surface of the base materials to be coated.
Description
Technical field
The utility model is about a kind of metallurgy industry powder spraying device, relates in particular to the ring discharge nozzle of the electrostatic powder coating in the continuous production of a kind of coiled material.
Background technology
Traditional electrostatic spray equipment needed thereby has: HV generator, powder feeder, the cabinet that dusts, powder recovering device, electrostatic dusting rifle and oven etc.The effect of electrostatic dusting rifle is to produce good corona discharge, makes the maximum electric charge of ejection powder belt, and the ejection powder is even.For this reason, the electrostatic dusting rifle should have desirable charged and diffusion structure.
Podwer gun coating quality quality largely depends on Spray gun nozzle, is called for short nozzle.Structure of nozzle, size, electrode shape and the material of selecting for use directly influence spraying figure, powder utilization and sprayed surface quality.The nozzle arrangements that existing electrostatic spray is used such as Fig. 4 and shown in Figure 5; Nozzle 9 is processed by plastic material; The centre has one with iron wire or other metallic conduction material 91, and iron wire 91 links to each other with the electrostatic generator high-voltage output line, makes and forms a high-voltage corona discharge electric field between spray gun and the workpiece; During work; Gas powder stream gets into nozzles from the inlet 92 of nozzle top, when powder particle jetting nozzle during through region of discharge, by the nozzle electronegative particle of iron wire 91 (point source electrodes) ionization becoming of below; Under the effect of electrostatic attraction, be adsorbed to positively charged being got on by the spraying workpiece.
Above-mentioned traditional electrostatic spray is commonly used in the single and mini-batch production production; And be not suitable for the high speed coiled material and spray continuously; Its reason is: the nozzle of spray gun is to utilize " point source " discharge, and is limited to the ionization of powder, therefore under the high linear speed situation; Powdery paints is pulled away when the base material high-speed mobile, and its deposition efficiency has only 40%～50%; And spray gun arranges intensively, and the thickness that electrostatic spraying is filmed is wayward, also is prone to other paint film defect, like pit, tangerine peel etc.
Thus, the inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of ring discharge nozzle, to overcome the defective of prior art.
The utility model content
The purpose of the utility model is to provide a kind of coiled material ring discharge nozzle of spraying continuously that is used for; Adopt " annular " discharge type ionization powder particle; Powdery paints is difficult for being pulled away when the base material high-speed mobile under high-speed case, is applicable to high speed coiled material spraying production.
Another purpose of the utility model is to provide a kind of ring discharge nozzle, can guarantee that powder uniformly sprays on the substrate to be coated surface.
The purpose of the utility model is achieved in that a kind of ring discharge nozzle, and the umbrella hat that this nozzle is located in the said overcoat by an overcoat and fixed cover constitutes; Said overcoat is a tubular structure, and this body bottom is the horn opening of the equal flaring of inner and outer diameter; Umbrella hat is the rotary type entity structure, and the umbrella hat top is coniform, and the middle part is cylindric, and lower diameter increases gradually, forms the flaring portion corresponding with the horn opening shape of overcoat; Form uniform toroidal cavity between overcoat and the umbrella hat; Said overcoat and umbrella hat one of which at least constitute for the metallic conduction material and outer rim forms annular wedge angle in the lower end; This metallic conduction material links to each other with the electrostatic generator high-voltage output line.
In a preferred embodiments of the utility model, said overcoat is fixedly connected by two staggered bearing pins of spatial vertical with umbrella hat.
In a preferred embodiments of the utility model, said overcoat is made up of the metallic conduction material, and the end outer rim of its horn opening forms annular wedge angle.
In a preferred embodiments of the utility model, said umbrella hat is made up of the metallic conduction material, and the end outer rim of its flaring portion forms annular wedge angle.
In a preferred embodiments of the utility model, said bearing pin is made up of the Q235 material; Said metallic conduction material is the Q235 material.
In a preferred embodiments of the utility model, the cone angle of said umbrella hat top circular cone is smaller or equal to 90 °.
In a preferred embodiments of the utility model, said overcoat top is fixedly connected with Green's joint and constitutes powdering inlet.
In a preferred embodiments of the utility model, the lower surface of said overcoat horn opening is a little more than the lower surface of umbrella hat flaring portion.
In a preferred embodiments of the utility model, the lower surface of the lower surface of said overcoat horn opening and umbrella hat flaring portion maintains an equal level.
From the above mentioned; The ring discharge nozzle of the utility model adopts " annular " discharge type; Can produce stronger electrostatic field, powdery paints is difficult for being pulled away when the base material high-speed mobile under high-speed case, can improve deposition efficiency greatly; Be applicable to high speed coiled material spraying production, and can guarantee that powder uniformly sprays on the substrate to be coated surface; Simultaneously, this nozzle also has simple in structure, is easy to processing and manufacturing, maintenance, easy to maintenance, and characteristics such as cost is low, application prospect is extensive.
Description of drawings
Following accompanying drawing only is intended to the utility model is done schematic illustration and explanation, does not limit the scope of the utility model.Wherein:
Fig. 1: be a structural representation of the utility model ring discharge nozzle.
Fig. 2: be another structural representation of the utility model ring discharge nozzle.
Fig. 3: the sketch map that is used for the powder spraying for the ring discharge nozzle.
Fig. 4: be the existing nozzle arrangements of electrostatic spray.
Fig. 5: for A-A among Fig. 4 to cross-sectional schematic.
The specific embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the specific embodiment of description of drawings the utility model at present.
Like Fig. 1, shown in Figure 2, the utility model proposes a kind of ring discharge nozzle 100, and the umbrella hat 2 that this nozzle 100 is located in the said overcoat 1 by an overcoat 1 and fixed cover constitutes; Said overcoat 1 is a tubular structure, and this body top constitutes the coating inlet, and this body bottom is the horn opening 11 of the equal flaring of inner and outer diameter; Umbrella hat 2 is the rotary type entity structure, and it is coniform 23 that umbrella hat 2 tops are, and the middle part is cylindric 22, and lower diameter increases gradually, forms the flaring portion 21 corresponding with horn opening 11 shapes of overcoat; Form uniform toroidal cavity 3 between overcoat 1 and the umbrella hat 2; One of them is to be processed by the metallic conduction material at least with umbrella hat 2 for said overcoat 1, and this metallic conduction material links to each other with the electrostatic generator high-voltage output line; In a kind of embodiment of this embodiment, said overcoat 1 is made up of the metallic conduction material, and the end outer rim of its horn opening 11 forms annular wedge angle 111.
During work; The circular cone on umbrella hat 2 tops is used for the powdery paints that gets into nozzle is distributed in the toroidal cavity 3 uniformly; Flowing powders in 21 pairs of toroidal cavities of umbrella hat 2 bottoms flaring flaring portion 3 play the effect of water conservancy diversion, make powder can be evenly, be larger area and be distributed to nozzle; Be ionized into charged particle by annular wedge angle 111 during the powder jetting nozzle, and finally be adsorbed onto on the substrate to be coated surface.In this embodiment; Because nozzle adopts " annular " discharge type; Can produce stronger electrostatic field, powdery paints is difficult for being pulled away when the base material high-speed mobile under high-speed case, can improve deposition efficiency greatly; Be applicable to high speed coiled material spraying production, and can guarantee that powder uniformly sprays on the substrate to be coated surface; Simultaneously, this nozzle also has simple in structure, is easy to processing and manufacturing, maintenance, easy to maintenance, and characteristics such as cost is low, application prospect is extensive.
As the another kind of embodiment in this embodiment, said umbrella hat 2 is made up of the metallic conduction material, and the end outer rim of its flaring portion 21 forms annular wedge angle 211.A kind of embodiment is arranged again, can adopt overcoat 1 and umbrella hat 2 to be made up of the metallic conduction material simultaneously, and outer rim forms annular wedge angle in the lower end, such structure all can reach aforesaid technique effect.
As shown in Figure 1, in this embodiment, be fixedly connected through two bearing pins 4 between said overcoat 1 and the umbrella hat 2; But both relative positions of fixed jacket 1 and umbrella hat 2 after the connection, two bearing pins 4 are the staggered state of spatial vertical.
Said bearing pin 4 is made up of the Q235 material; Said metallic conduction material also is the Q235 material.
In this embodiment, the cone angle of said umbrella hat 2 top circular cones is smaller or equal to 90 °.Said overcoat 1 top is provided with internal thread 12 and is used for being fixedly connected to constitute powdering inlet with Green's joint.
As shown in Figure 1, in this embodiment, the lower surface of said overcoat horn opening 11 is a little more than the lower surface of umbrella hat flaring portion 21, and this structure spraying effect is good.
As another embodiment in this embodiment, as shown in Figure 2, the lower surface of said overcoat horn opening 11 also can maintain an equal level with the lower surface of umbrella hat flaring portion 21.
In a preferred embodiment of this embodiment, the surface roughness value of the outer surface of the surfaces externally and internally of overcoat 1 and umbrella hat 2 can be 3.2 or littler; Overcoat 1 internal diameter is 15mm, and horn opening place internal diameter is 25mm, and internal thread 12 is 3/8 " gas thread.The middle part diameter of umbrella hat 2 is 10mm, and the bottom maximum gauge is 20mm.
Equidistance is arranged a plurality of nozzles 100 on the substrate to be coated width, and is as shown in Figure 3, and nozzle 100 axis are 50～200mm at interval, and annular wedge angle is 350mm apart from substrate to be coated 8 surfaces, and electrostatic generator voltage transfers to 50～90kV.Said nozzle 100 can be provided with 2 rows or many rows.
The above is merely the schematic specific embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (9)
1. ring discharge nozzle, it is characterized in that: the umbrella hat that this nozzle is located in the said overcoat by an overcoat and fixed cover constitutes; Said overcoat is a tubular structure, and this body bottom is the horn opening of the equal flaring of inner and outer diameter; Umbrella hat is the rotary type entity structure, and the umbrella hat top is coniform, and the middle part is cylindric, and lower diameter increases gradually, forms the flaring portion corresponding with the horn opening shape of overcoat; Form uniform toroidal cavity between overcoat and the umbrella hat; Said overcoat and umbrella hat one of which at least constitute for the metallic conduction material and outer rim forms annular wedge angle in the lower end; This metallic conduction material links to each other with the electrostatic generator high-voltage output line.
2. ring discharge nozzle as claimed in claim 1 is characterized in that: said overcoat is fixedly connected by two staggered bearing pins of spatial vertical with umbrella hat.
3. ring discharge nozzle as claimed in claim 1 is characterized in that: said overcoat is made up of the metallic conduction material, and the end outer rim of its horn opening forms annular wedge angle.
4. ring discharge nozzle as claimed in claim 1 is characterized in that: said umbrella hat is made up of the metallic conduction material, and the end outer rim of its flaring portion forms annular wedge angle.
5. ring discharge nozzle as claimed in claim 2 is characterized in that: said bearing pin is made up of the Q235 material; Said metallic conduction material is the Q235 material.
6. ring discharge nozzle as claimed in claim 1 is characterized in that: the cone angle of said umbrella hat top circular cone is smaller or equal to 90 °.
7. ring discharge nozzle as claimed in claim 1 is characterized in that: said overcoat top is fixedly connected with Green's joint and constitutes powdering inlet.
8. ring discharge nozzle as claimed in claim 1 is characterized in that: the lower surface of said overcoat horn opening is a little more than the lower surface of umbrella hat flaring portion.
9. ring discharge nozzle as claimed in claim 1 is characterized in that: the lower surface of the lower surface of said overcoat horn opening and umbrella hat flaring portion maintains an equal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120456911 CN202316168U (en) | 2011-11-17 | 2011-11-17 | Ring discharge nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120456911 CN202316168U (en) | 2011-11-17 | 2011-11-17 | Ring discharge nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202316168U true CN202316168U (en) | 2012-07-11 |
Family
ID=46428168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120456911 Expired - Lifetime CN202316168U (en) | 2011-11-17 | 2011-11-17 | Ring discharge nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202316168U (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 |
| CN110325285A (en) * | 2017-03-30 | 2019-10-11 | 苏德罗尼克股份公司 | Electrostatic powder spray head |
| US11628457B2 (en) | 2017-06-21 | 2023-04-18 | Soudronic Ag | Device for interruption-free coating can bodies and operating method |
-
2011
- 2011-11-17 CN CN 201120456911 patent/CN202316168U/en not_active Expired - Lifetime
Cited By (5)
| 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 |
| CN110325285A (en) * | 2017-03-30 | 2019-10-11 | 苏德罗尼克股份公司 | Electrostatic powder spray head |
| CN110325285B (en) * | 2017-03-30 | 2021-07-09 | 苏德罗尼克股份公司 | Electrostatic powder spray head |
| TWI749148B (en) * | 2017-03-30 | 2021-12-11 | 瑞士商蘇德羅尼克股份有限公司 | Powder spraying head, powder coating installation with the powder spraying head and use of the powder coating installation |
| US11628457B2 (en) | 2017-06-21 | 2023-04-18 | Soudronic Ag | Device for interruption-free coating can bodies and operating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1800757B1 (en) | Electrostatic coating system | |
| CN202316168U (en) | Ring discharge nozzle | |
| CN102000639B (en) | Multiple-cavity ejector for continuously spraying coiled material | |
| CN102500485A (en) | Annular discharging nozzle | |
| CN201900062U (en) | Line source discharge ejector used for electrostatic spraying | |
| TWI598465B (en) | Atmospheric-pressure plasma coating device | |
| JP2020507681A (en) | Arc wire spraying method, equipment and products | |
| JP2013049040A5 (en) | ||
| KR20130017659A (en) | Cone-jet mode electrostatic spray deposition apparatus | |
| CN107096658A (en) | A kind of tobacco charging electrostatic atomization nozzle | |
| CN2586330Y (en) | Internally feeding powder convergent-divergent nozzle of plasma welding gun | |
| CN204602461U (en) | A kind of line source electrode electrostatic powder coating device | |
| CN110038747A (en) | A kind of arc pistol | |
| CN210935460U (en) | Rotary cup type electrostatic paint spraying equipment | |
| CN100460083C (en) | Powder-spraying chamber for electrostatic powder spray coated | |
| CN104588226A (en) | Linear source electrode static powder spraying device | |
| CN107551425A (en) | The gas extinguishing agent jet pipe and application method of a kind of lithium ion battery case extinguishing device | |
| CN201913019U (en) | Sectional type ejector used for electrostatic powder spraying | |
| CN203676022U (en) | Soybean protein atomizer | |
| CN207770110U (en) | A kind of rotatable endoporus Twin wire arc spray gun | |
| EP3839099A1 (en) | Manufacturing process for enamel container and enamel container | |
| CN202246826U (en) | Spray nozzle for spraying rotary target materials | |
| CN104846186A (en) | Cooling device for heat treatment of metal belts | |
| CN102151625A (en) | Leather electrostatic spraying machine | |
| CN207308976U (en) | A kind of plasma gun of plasma rotating electrode powder manufacturing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |