CN207016843U - A kind of suction-type metal dust spray gun - Google Patents
A kind of suction-type metal dust spray gun Download PDFInfo
- Publication number
- CN207016843U CN207016843U CN201720624939.4U CN201720624939U CN207016843U CN 207016843 U CN207016843 U CN 207016843U CN 201720624939 U CN201720624939 U CN 201720624939U CN 207016843 U CN207016843 U CN 207016843U
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- China
- Prior art keywords
- spray gun
- metal dust
- compressed air
- passage
- spray
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Abstract
It the utility model is related to a kind of suction-type metal dust spray gun, including spray gun shell, spray gun inner chamber, compressed air transfer passage, metal dust feeding-passage, heater block, spray tip, compressed air transfer passage is intersected in inside spray gun with the outlet of metal dust feeding-passage, heater block is arranged on spray gun internal chamber wall, spray tip is connected to spray gun inner chamber one end and, the side wall and spray gun shell of spray gun inner chamber between formation heat-insulation and heat-preservation chamber relative with the outlet of compressed air transfer passage.Dangerous fuel gas need not be provided during the utility model operation, it is more secure when used, and metal dust sprays again after melting, each composition of metal dust fully fuses together, make coating evenly, the spray gun for needing during than use to import again inside spray gun after first metal dust is melted outside spray gun is safer and saves energy.Suction-type metal dust spray gun applicability described in the utility model is wide, simple to operate suitable for the spraying plating of various dusty materials, and coating is uniform.
Description
Technical field
The present invention relates to spray technique field, more particularly to a kind of suction-type metal dust spray gun.
Background technology
Metallising is that the corrosion resistant metal of melting is ejected into metal surface with compressed air or inert gas to form plating
The process of layer.During metallising, surfacing material melts and is atomized in special spray remittance or spray gun, and is ejected into matrix material
On, this method is otherwise referred to as metal spraying.Oxy-acetylene flame typically is used, but also uses other gases sometimes.Mainly have two
Kind method, one of which method are when surfaced metal silk is fed automatically by flame core, and wire fusing is simultaneously compressed sky simultaneously
Aerodynamic atomization and it is ejected on matrix material；A kind of substantially any metal that wire can be made can spray in this way
Plating.Another method is to be delivered to inside spray gun to eject by flame using dusty material；The advantages of this method is
Can not only metalling, and can metalling ceramic composite, oxide and hard alloy.
For needing to use powder to carry out spraying operation, usually flame spray powder coating is carried out using powder flame-thrower
Come what is realized, spray gun is provided with powder powder inlet pipe, using negative pressure caused by powder feeding gas stream, aspirates the powder in powder hopper, makes powder
Sprayed with air-flow from nozzle center and enter flame, be heated fusing or softening, flame stream promotes molten grain to be ejected into work with certain speed
On part.Need to provide fuel gas and oxygen using this spray gun, have certain potential safety hazard, and powder is with flame stream time of contact
Short, melting effect is poor, and coating is easily uneven.
The content of the invention
A kind of the defects of the purpose of this utility model is to overcome prior art, there is provided suction-type metal dust spray gun.Adopt
Fuel gas and oxygen need not be provided when carrying out spraying plating operation with metal dust spray gun of the present utility model, can be by metallization process
In potential safety hazard reduce, and produce uniform coating.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of suction-type metal dust spray gun, including spray gun shell, spray gun inner chamber, compressed air transfer passage, gold are provided
Belong to powder feed passage, heater block, spray tip, compressed air transfer passage is intersected in the outlet of metal dust feeding-passage
Spray gun inner chamber, heater block are arranged on spray gun internal chamber wall, and spray tip is connected to spray gun inner chamber one end and defeated with compressed air
Send channel outlet relative, heat-insulation and heat-preservation chamber is formed between the side wall and spray gun shell of spray gun inner chamber.During spraying plating, compressed air is from pressure
Contracting air-source enters in compressed air transfer passage, by the quick flowing of compressed air, is exported in metal dust feeding-passage
Place produces negative pressure, and metal dust is fed to spray gun inner chamber, changes after heater block heating melting in the presence of compressed air
It is ejected into and treats on spraying plating workpiece from spray tip for droplet state.Dangerous combustible gas need not be provided during the utility model operation
Body, it is more secure when used, and metal dust reuses compressed air ejection after melting, and each composition of metal dust can be made abundant
Fuse together, make coating evenly, need during than use to import in spray gun again after first metal dust is melted outside spray gun
The spray gun in portion is safer and saves energy.Suction-type metal dust spray gun applicability described in the utility model is wide, suitable for various
The spraying plating of dusty material, it is simple to operate, and coating is uniform.
In one of which embodiment, the heater block of suction-type metal dust spray gun is high-frequency heating part.Use
High-frequency heating part, metal dust can be heated to melting temperature in moment, melt metal dust in the presence of compressed air
Turn to droplet state.
Preferably, compressed air transfer passage is located at spray gun central axis, metal dust feeding-passage and spray gun central shaft
The angle of line is 25 ° ~ 30 °.When angle is 25 ° ~ 30 °, in negative pressure caused by metal dust feeding-passage exit in operation
Metal dust can be made smoothly to be inhaled into passage.
In one of which embodiment, spray tip is fan nozzle.The liquid spray of fan nozzle is in plane sector
Or slice-shaped, and the spraying section that fan nozzle is formed is uniform, can plate out uniform coating.
In one of which embodiment, spray tip is removably connected to one end of spray gun shell.It is removable
Unloading the connected mode of formula can flexibly arrange in pairs or groups from different types of according to the difference of spraying plating subject surface pattern when using
Spray tip, to improve spraying plating efficiency.
In one of which embodiment, compressed air feeding-passage diameter is less than spray gun intracavity diameter.Compressed during operation
Air is rapidly introduced into the spray gun inner chamber of relative major diameter from the compressed air feeding-passage of relatively small diameter, in spray gun inner chamber
With metal dust feeding-passage outlet intersection caused by negative pressure can make that metal dust is quick, is smoothly inhaled into passage.
In one of which embodiment, the compressed air feeding-passage is additionally provided with compressed air regulating valve.For
Different metal dusts, or it is different treat depositing materials, control the speed of injection by adjusting the size of compressed air pressure
Degree, while spray tip is adjusted to the distance of workpiece surface come the temperature that controls arrival after metal powders melt to treat spraying plating workpiece surface
Degree, adhesion is optimal to obtain, the best overlay coating of performance.
In one of which embodiment, heat-insulation and heat-preservation intracavitary is filled with high-temperature-resistant thermal-insulation material.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is a kind of suction-type metal dust spray gun, and during spraying plating, compressed air enters from compressed air source presses
In contracting air delivery passage, by the quick flowing of compressed air, negative pressure, metal are produced in metal dust feeding-passage exit
Powder feed turns to droplet state from spray gun after heater block heating melting to spray gun inner chamber in the presence of compressed air
Nozzle, which is ejected into, to be treated on spraying plating workpiece.Dangerous fuel gas need not be provided during the utility model operation, it is more secure when used,
And metal dust reuses compressed air ejection after melting, and each composition of metal dust can be made fully to fuse together, make plating
Layer evenly, during than use need the spray gun that is imported again inside spray gun after first metal dust is melted outside spray gun safer and
Save energy.Suction-type metal dust spray gun applicability described in the utility model is wide, suitable for the spraying plating of various dusty materials,
It is simple to operate, and coating is uniform.
Brief description of the drawings
Fig. 1 is a kind of structural representation of suction-type metal dust spray gun of the utility model.
Fig. 2 is a kind of cross-sectional view of the nozzle of suction-type metal dust spray gun of the utility model.
Embodiment
The utility model is further described with reference to embodiment.Wherein, being given for example only property of accompanying drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which this reality is better described
With new embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Same or analogous label corresponds to same or analogous part in the accompanying drawing of the utility model embodiment；In this practicality
In new description, it is to be understood that if thering is the orientation of the instructions such as term " on ", " under ", "left", "right" or the position relationship to be
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore retouched in accompanying drawing
State term the being given for example only property explanation of position relationship, it is impossible to the limitation to this patent is interpreted as, for the common skill of this area
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
A kind of structural representation of suction-type metal dust spray gun of the present embodiment is as shown in figure 1, including spray gun shell 1, spray
Rifle inner chamber 9, compressed air transfer passage 3, metal dust feeding-passage 2, heater block 5, spray tip 6, the compressed air
Transfer passage 3 is intersected in spray gun inner chamber 9 with the outlet of metal dust feeding-passage 2, and the heater block 5 is arranged on spray gun inner chamber 9
On wall, the spray tip 6 is connected to the one end of spray gun inner chamber 9 and exported with compressed air transfer passage 3 relatively, in the spray gun
Heat-insulation and heat-preservation chamber 7 is formed between the side wall and spray gun shell 1 of chamber 9.During spraying plating, compressed air enters from compressed air source 4 to be compressed
In air delivery passage 3, by the quick flowing of compressed air, negative pressure, metal are produced in the exit of metal dust feeding-passage 2
Powder feed is ejected on contact pattern region from spray tip 6 after the heating melting of heater block 5, sprayed to spray gun inner chamber
Heat-insulation and heat-preservation chamber 7 is formed between rifle internal chamber wall and outer wall, prevents that spray gun skin temperature is too high.
Wherein, the type of nozzle is detachable fan-shaped spray tip 6, and the liquid spray of fan nozzle is in plane sector
Or slice-shaped, and the spraying section that fan nozzle is formed is uniform, can plate out uniform coating., can when needing
With the difference according to spraying plating subject surface pattern when using, fan-shaped spray tip can be dismantled down, from different types of spray gun
Nozzle, to improve spraying plating efficiency.
Specifically, the angle of metal dust feeding-passage and spray gun central axis is 25 ° ~ 30 °, compressed air feeding-passage
Diameter is less than the diameter of spray gun inner chamber 9.Compressed air is rapidly introduced into from the compressed air feeding-passage 3 of relatively small diameter during operation
With respect in the spray gun inner chamber 9 of major diameter, negative pressure energy caused by intersection is exported in spray gun inner chamber 9 and metal dust feeding-passage 2
Make that metal dust is quick, is smoothly inhaled into passage.
Specifically, heater block uses high-frequency heating part 5, metal dust can be heated to 1000 in moment during operation
~2000℃。
In addition, the compressed air feeding-passage 3 is additionally provided with compressed air regulating valve 8.For different metal dusts,
Or it is different treat depositing materials, control the speed of injection by adjusting the size of compressed air pressure, while adjust spray gun
Nozzle reaches the temperature for treating spraying plating workpiece surface after metal powders melt to the distance of workpiece surface to control, to obtain adhesion
Most preferably, the best overlay coating of performance.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in
Within the protection domain of the utility model claims.
Claims (8)
1. a kind of suction-type metal dust spray gun, it is characterised in that the suction-type metal dust spray gun includes spray gun shell, spray
Rifle inner chamber, compressed air transfer passage, metal dust feeding-passage, heater block, spray tip, the compressed air conveying are logical
Road is intersected in spray gun inner chamber with the outlet of metal dust feeding-passage, and the heater block is arranged on spray gun internal chamber wall, the spray
Rifle nozzle is connected to spray gun inner chamber one end and, the side wall and spray gun of the spray gun inner chamber relative with the outlet of compressed air transfer passage
Heat-insulation and heat-preservation chamber is formed between shell.
2. suction-type metal dust spray gun according to claim 1, it is characterised in that the heater block is high-frequency heating portion
Part.
3. metal dust spray gun according to claim 1, it is characterised in that the compressed air transfer passage is located in spray gun
Mandrel line, the angle of the metal dust feeding-passage and spray gun central axis is 25 ° ~ 30 °.
4. metal dust spray gun according to claim 1, it is characterised in that the spray tip is fan nozzle.
5. metal dust spray gun according to claim 4, it is characterised in that the spray tip removably connects
In one end of spray gun shell.
6. metal dust spray gun according to claim 1, it is characterised in that the compressed air feeding-passage diameter is less than spray
Rifle intracavity diameter.
7. metal dust spray gun according to claim 1, it is characterised in that the compressed air feeding-passage sets compression empty
Gas regulating valve.
8. according to metal dust spray gun described in claim 1 ~ 7 any claim, it is characterised in that the heat-insulation and heat-preservation intracavitary
It is filled with high-temperature-resistant thermal-insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720624939.4U CN207016843U (en) | 2017-06-01 | 2017-06-01 | A kind of suction-type metal dust spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720624939.4U CN207016843U (en) | 2017-06-01 | 2017-06-01 | A kind of suction-type metal dust spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207016843U true CN207016843U (en) | 2018-02-16 |
Family
ID=61476913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720624939.4U Expired - Fee Related CN207016843U (en) | 2017-06-01 | 2017-06-01 | A kind of suction-type metal dust spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207016843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121397A (en) * | 2022-06-07 | 2022-09-30 | 强一半导体（苏州）有限公司 | Portable wax melting spray gun and wax coating method thereof |
-
2017
- 2017-06-01 CN CN201720624939.4U patent/CN207016843U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121397A (en) * | 2022-06-07 | 2022-09-30 | 强一半导体（苏州）有限公司 | Portable wax melting spray gun and wax coating method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |