CN206688986U - A kind of cold spray gun - Google Patents
A kind of cold spray gun Download PDFInfo
- Publication number
- CN206688986U CN206688986U CN201720204697.3U CN201720204697U CN206688986U CN 206688986 U CN206688986 U CN 206688986U CN 201720204697 U CN201720204697 U CN 201720204697U CN 206688986 U CN206688986 U CN 206688986U
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- China
- Prior art keywords
- spray gun
- powder
- coating
- heating
- tubular type
- 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
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Abstract
The utility model discloses a kind of cold spray gun, the cold spray gun includes providing hopper, powder pre-heating system, powder paint finishing and the coating reheat system of powder.Powder pre-heating system is arranged at the front end of hopper, comprising heating voltage controller, gas heating coil and gas flow control valve, is connected by pipeline with hopper；Powder paint finishing includes heating voltage controller, gas heating coil and gas flow control valve and tubular type spray gun, and tubular type spray gun set is on the powder carry pipeline that is connected with hopper, and the end port of powder carry pipeline is discharging opening in tubular type spray gun；Tubular type spray gun afterbody is in the opposed shape of two loudspeaker；Powder is transported on matrix by the afterbody horn mouth of tubular type spray gun and completes to spray；Coating reheat system includes heating voltage controller, gas heating coil and gas flow control valve and air shooter, and the hot blast by heating reaches the coating for having completed spraying by air shooter.The adhesive force of coating prepared by the cold spray gun of the utility model is improved, porosity declines, and coating quality improves.
Description
Technical field
A kind of spray gun for cold spray is the utility model is related to, belongs to field of fluid machinery.
Background technology
Organic coating is made to be used as corrosion-inhibiting coating, is industrially widely used, such as oil pipeline, marine ship
Deng.For the customary preparation methods of coating just like the flame spraying method of routine, this method requirement is higher to the preheating temperature of matrix, holds
Matrix structure is easily influenceed, for organic coating, spraying flame easily causes scaling loss and the degraded of organic dust；Other electrostatic
Spraying and coating prepare conventional method, but this method can not site operation, therefore for the joints such as such as oil and gas pipeline,
It is prepared by the coating on the surface of the parts such as three-way pipeline, generally use spread coating.Brushing organic coating, due to containing organic molten
Agent, when organic solvent volatilizees, coating can be caused micropore occur, form the hidden danger of coating corrosion；The coating brushed in addition is relatively thin,
Typically to pass through multiple tracks brushing, long construction period;Again due to main pipeline spray-on coating and the brushing coating layer thickness of joint, quality
Inhomogeneity, make joint and valve, threeway of pipeline etc. place turn into corrosion protection weak link.
Cold spray is a kind of relatively effective preparation method of organic coating, and cold spray is taken using by certain gases at high pressure
Band powder particle enters jet pipe and produces supersonic speed two phase flow, and powder particle hits matrix after acceleration with solid state, produces
Violent plastic deformation and be deposited on matrix surface and form coating.The conventional single hose spray gun of current cold spray, can be present such as：One
Secondary heating powder, organic material melt in lance pipe, when spraying stopping, blocking jet pipe;Powder is anxious when running into matrix
Speed is cooled into coating, has little time to flow, therefore the planarization of spray-on coating is poor, the poor bonding strength of coating.
Utility model content
The utility model is directed to existing coating when the cold spray gun used in the prior art is sprayed and blocks jet pipe and painting
Layer poor two technical problem of planarization, intend providing a kind of cold spray gun, mesh is asked by what improvements of facility reached improvement coating quality
's.
In order to reach purpose of utility model of the present utility model, the technical solution adopted in the utility model is：
The utility model provides a kind of cold spray gun, and the cold spray gun includes hopper, powder pre-heating system, the powder for providing powder
Expect paint finishing and coating reheat system；Powder pre-heating system is arranged at the front end of hopper, includes heating voltage controller, gas
Body heating coil and gas flow control valve, it is connected by pipeline with hopper；Powder paint finishing include heating voltage controller,
Gas heating coil and gas flow control valve and tubular type spray gun, tubular type spray gun set are the powder delivering pipe being connected with hopper
On road, and the end port of powder carry pipeline is discharging opening in tubular type spray gun；Tubular type spray gun afterbody is in the opposed shape of two loudspeaker；Powder
Material is transported on matrix by the afterbody horn mouth of tubular type spray gun and completes to spray；Coating reheat system controls including heating voltage
Device, gas heating coil and gas flow control valve and air shooter, are reached by the hot blast of heating by air shooter
The coating of spraying is completed.
The beneficial effects of the utility model are：By increasing pre-heating system and carrying out powder heating in spout, and
Further coating reheating so that the utility model overcomes the technology that prior art coating blocks jet pipe and coating planarization difference
Problem, the adhesive force of coating is improved, porosity declines, and coating quality improves.
Brief description of the drawings
Fig. 1 is the schematic diagram of cold spray gun of the present utility model.Wherein 1 is matrix, and 2 be heating voltage controller, and 3 be gas
Heating coil, 4 be gas flow control valve, and 5 be hopper, and 6 be air inlet, and 7 be tubular type spray gun, and 8 be coating.
Embodiment
The utility model is further illustrated below in conjunction with drawings and the specific embodiments.
Such as Fig. 1, a kind of cold spray gun is present embodiments provided, the cold spray gun includes providing the hopper of powder, powder preheating system
System, powder paint finishing and coating reheat system.Powder pre-heating system is arranged at the front end of hopper, includes gas heater wire
Circle, heating voltage controller and gas flow control valve, are connected by pipeline with hopper；Powder paint finishing includes heating voltage
Controller, gas heating coil and gas flow control valve and tubular type spray gun, tubular type spray gun set are the powder being connected with hopper
On material conveying tube road, and the end port of powder carry pipeline is discharging opening in tubular type spray gun；Tubular type spray gun afterbody is in two loudspeaker
Opposed shape；Powder is transported on matrix by the afterbody horn mouth of tubular type spray gun and completes to spray；Coating reheat system includes heating
Voltage controller, gas heating coil and gas flow control valve and air shooter, the hot blast by heating are defeated by gas
Pipe is sent to reach the coating for having completed spraying.
In this embodiment, it is preferred that three powder pre-heating system, powder paint finishing and coating reheat system systems
Air inlet be arranged to same.
Heating voltage controller, the gas heating coil of preferable powder paint finishing and coating reheat system share same
One set, sets gas flow control valve to control respective gas flow on respective gas pipeline.
During work, air is blown into pipeline, is separately input to powder pre-heating system, powder paint finishing and coating reheating system
System；Powder enters pipeline by hopper, is carried out the powder for entering pipeline from powder hopper tentatively by the air of powder pre-heating system
Preheating；Powder is only carried out preliminary preheating, the heating voltage control that heating-up temperature passes through powder pre-heating system by powder pre-heating system
Device processed is controlled, and makes its temperature at 70-80 DEG C, is not up to molten state, therefore even if subsequently when not working, in pipeline not
The coating that after melting and cooling coalesces can be formed and block pipeline.Then powder continues to be transported to the pipeline of powder paint finishing
Mouthful, heated in pipeline opening by the hot blast from powder paint finishing, the heating voltage that heating-up temperature passes through powder paint finishing
Controller is controlled, and heating-up temperature is 150-300 DEG C, is determined according to the powder sprayed；Powder now reaches melting
State, in tubular type spray gun of the pipeline opening by encirclement pipeline opening, in pipe outlet, tubular type spray gun powder reaches molten state, tubular type
The horn mouth of use, it is not easy to the accumulation of powder is formed, in addition, tubular type spray gun can be connected with pipeline using detachable, energy
Individually dismantled from pipeline, easy cleaning；Powder sprays from the tubaeform muzzle of tubular type spray gun, reaches matrix and hits matrix, produces
Raw violent plastic deformation, and cooled down rapidly in matrix surface, and be deposited on matrix surface and form coating；At this moment, the painting of formation
Layer is because the quick cooling of coating, have little time to flow, therefore the planarization of spray-on coating is poor, the poor bonding strength of coating；Now,
The coating just formed, the hot blast blown out by coating reheat system, remelted and levelling again, form more smooth painting
Layer.Preferably, mounted cold spray gun, the muzzle of its tubular type spray gun is with the air outlet of coating reheat system at a distance of 1-2cm.
Claims (4)
- A kind of 1. cold spray gun, it is characterised in that：The cold spray gun includes providing hopper, powder pre-heating system, the powder spray of powder Painting system and coating reheat system；Powder pre-heating system is arranged at the front end of hopper, includes gas heating coil, heating voltage controller and gas flow control Valve processed, it is connected by pipeline with hopper；Powder paint finishing includes heating voltage controller, gas heating coil and gas flow control valve and tubular type spray gun, Tubular type spray gun set is on the powder carry pipeline that is connected with hopper, and the end port of powder carry pipeline is discharging opening in tubular type In spray gun；Tubular type spray gun afterbody is in the opposed shape of two loudspeaker；Powder is transported to complete on matrix by the afterbody horn mouth of tubular type spray gun Into spraying；Coating reheat system includes heating voltage controller, gas heating coil and gas flow control valve and air shooter, Hot blast by heating reaches the coating for having completed spraying by air shooter.
- A kind of 2. cold spray gun according to claim 1, it is characterised in that：Powder pre-heating system, powder paint finishing and The air inlet of three systems of coating reheat system is arranged to same.
- A kind of 3. cold spray gun according to claim 1, it is characterised in that：Powder paint finishing and coating reheat system Heating voltage controller, gas heating coil share same set, and gas flow control valve is set on respective gas pipeline Control respective gas flow.
- A kind of 4. cold spray gun according to claim 1, it is characterised in that：The muzzle of the tubular type spray gun and coating reheating system The air outlet of system is at a distance of 1-2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720204697.3U CN206688986U (en) | 2017-03-04 | 2017-03-04 | A kind of cold spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720204697.3U CN206688986U (en) | 2017-03-04 | 2017-03-04 | A kind of cold spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206688986U true CN206688986U (en) | 2017-12-01 |
Family
ID=60442433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720204697.3U Expired - Fee Related CN206688986U (en) | 2017-03-04 | 2017-03-04 | A kind of cold spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206688986U (en) |
-
2017
- 2017-03-04 CN CN201720204697.3U patent/CN206688986U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20210304 |