CN106694270A - Efficient molybdenum spraying device - Google Patents
Efficient molybdenum spraying device Download PDFInfo
- Publication number
- CN106694270A CN106694270A CN201710123906.6A CN201710123906A CN106694270A CN 106694270 A CN106694270 A CN 106694270A CN 201710123906 A CN201710123906 A CN 201710123906A CN 106694270 A CN106694270 A CN 106694270A
- Authority
- CN
- China
- Prior art keywords
- gun
- powder feeder
- spraying
- powder
- gun body
- 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.)
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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
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
- B05B7/20—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Nozzles (AREA)
Abstract
The invention discloses an efficient molybdenum spraying device comprising a spraying gun, a powder feeder, a drying device and a control system. The powder feeder is connected with the spraying gun through a pipeline. The drying device is arranged in the position, between the powder feeder and the spraying gun, of the pipeline. The spraying gun, the powder feeder and the drying device are all electrically connected with the control system. The spraying gun comprises a gun body and a gun cylinder. The gun cylinder is arranged on one end face of the gun body. A fuel inlet and an air inlet are formed in one end face, far from the gun cylinder, of the gun body. A fuel chamber is arranged in the gun body and communicates with the fuel inlet and the air inlet. An outlet of the fuel chamber communicates with the gun cylinder. A powder inlet channel is formed in the side face of the gun body and communicates with the powder feeder through the pipeline. The structure is designed reasonably, powder needle blocking is avoided, and continuous construction of spraying operation is guaranteed; and meanwhile, the spherical nozzle design is achieved, and the angle of a spherical nozzle can be adjusted through a tool according to the requirements, so that the spraying angle is changed.
Description
Technical field
The present invention relates to thermal spraying apparatus technical field, and in particular to a kind of efficient sprayed molybdenum device.
Background technology
Flame spray technique is used as a kind of new surfacecti proteon and surface intensified technique, from 1981, the U.S.
Since J.A.Browning has invented high speed oxygen-gas flame spray gun HVOF, developed rapidly in nearly 20 years, it has also become
A very active branch in the engineering field of metal surface.It is thermal source using flame, metal is heated to nonmetallic materials
Molten condition, spray is formed under the promotion of high velocity air, is ejected on matrix, and the small molten particles hit of injection is in matrix
When upper, plastic deformation was produced, depositing coating is superimposed as sheet, this process is referred to as flame-spraying.The sprayable gold of flame-spraying
Category, ceramics, plastic or other material, using very flexibly, spraying equipment is light simple, may move, and price is less than other spraying equipments,
Good economy performance, is that a kind of wide method is used in current spraying technology.
So and, the HVAF machine system by the use of powder as raw material that Now has when in use, through be commonly present because
Cause powder pin to block for powder is moist, spraying application process is forced situation about interrupting, also have when many and be subject to space big
Small limitation, regulation frame can not meet work requirements, reduce the angle of spraying, produce " shadowing effect ", cause spraying
The result of effect difference.
The content of the invention
The technical problem to be solved in the present invention is the defect for overcoming prior art, there is provided a kind of efficient sprayed molybdenum device, convenient
Use in life, the security that increase is used.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：A kind of efficient sprayed molybdenum device, including
Spray gun, powder feeder, drying unit and control system, the powder feeder are connected by pipeline with spray gun, and the drying unit is set
On pipeline between powder feeder and spray gun, the spray gun, powder feeder and drying unit are all electrically connected with control system, described
Include gun body and gun barrel on spray gun, the gun barrel is arranged on an end face of gun body, an end of the gun body away from gun barrel
Fuel inlet and air intlet are provided with face, combustion chamber is provided with the gun body, the combustion chamber is entered with fuel inlet and air
Mouthful connection, the outlet of the combustion chamber connected with gun barrel, and the gun body side is provided with into powder passage, it is described enter powder passage and powder feeding
Device passes through pipeline communication.
Preferably, one end away from gun body of the gun barrel is spherical shell, and ball is provided with the spherical shell of the gun barrel
Shape nozzle, the outer surface of the ball nozzle is flexibly connected with the inner surface cooperation of the spherical shell of gun barrel.
Preferably, it is carved with angle index line on the outer surface of the ball nozzle.
Preferably, the angle index line minimum range being carved with the outer surface of the ball nozzle is 0.1 degree.
Preferably, be additionally provided with cooling device on the spray gun, the cooling device include cooling duct, cooling water inlet and
Coolant outlet, the cooling duct is arranged on the inside of spray gun, and the cooling water inlet is arranged on the side of gun body, described
Coolant outlet is arranged on the spherical shell of gun barrel.
The beneficial effect that is reached of the present invention is：Reasonable in design of the present invention, can avoid powder pin from blocking, it is ensured that spraying
Operation is continuously constructed, while ball nozzle is designed, as needed, can use tools to adjust the angle of ball nozzle, makes spray
The angle of painting changes, and reduces " shadowing effect ", and the nozzle position of ball nozzle suddenly reduces relative to ball nozzle, can
To carry out secondary acceleration to coating powder, coating's air hole ratio is reduced, meet use requirement higher.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, with reality of the invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of efficient sprayed molybdenum apparatus structure schematic diagram of the present invention；
Fig. 2 is spray gun structure schematic diagram；
In figure：1st, spray gun；2nd, powder feeder；3rd, drying unit；4th, control system；5th, gun body；6th, gun barrel；7th, fuel inlet；8th, it is empty
Gas import；9th, combustion chamber；10th, powder passage is entered；11st, ball nozzle；12nd, cooling device；13rd, cooling duct；14th, cooling water enters
Mouthful；15th, coolant outlet.
Specific embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in Figure 1-2, a kind of efficient sprayed molybdenum device of the present embodiment, including spray gun 1, powder feeder 2, drying unit 3 and control
System 4, the powder feeder 2 is connected by pipeline with spray gun 1, and the drying unit 3 is arranged between powder feeder 2 and spray gun 1
On pipeline, the spray gun 1, powder feeder 2 and drying unit 3 are all electrically connected with control system 4, and the spray gun 1 includes the He of gun body 5
Gun barrel 6, the gun barrel 6 is arranged on an end face of gun body 5, and the gun body 5 on an end face of gun barrel 6 away from being provided with fuel
Combustion chamber 9 is provided with import 7 and air intlet 8, the gun body 5, the combustion chamber 9 connects with fuel inlet 7 and air intlet 8
Logical, the outlet of the combustion chamber 9 is connected with gun barrel 6, and the side of the gun body 5 is provided with into powder passage 10, it is described enter powder passage 10 and
Powder feeder 2 passes through pipeline communication.
One end away from gun body 5 of the gun barrel 6 is spherical shell, and spherical spray is provided with the spherical shell of the gun barrel 6
Mouth 11, the outer surface of the ball nozzle 11 is flexibly connected with the inner surface cooperation of the spherical shell of gun barrel 6, can be according to need
Will, use tools to adjust the angle of ball nozzle 11, the angle of spraying is changed, reduce " shadowing effect ", the ball
Angle index line is carved with the outer surface of shape nozzle 11, the angle index line being carved with the outer surface of the ball nozzle 11 is minimum
Range is 0.1 degree, can more accurately control the angle of ball nozzle 11, reaches spraying effect best, on the spray gun 1 also
Cooling device 12 is provided with, the cooling device includes cooling duct 13, cooling water inlet 14 and coolant outlet 15, the cooling
Passage 13 is arranged on the inside of spray gun 1, and the cooling water inlet 14 is arranged on the side of gun body 5, the coolant outlet 15
It is arranged on the spherical shell of gun barrel 6, extends the service life of spray gun 1.
It should be noted that when a kind of efficient sprayed molybdenum device of the present invention is used, coating is atomized vibration in powder feeder 2 and beats
Dissipate, and enter pipeline 5 with the nitrogen blending transportation as powder feeding gas to the exit of powder feeder 2, the nitrogen stream for being mixed with coating is passed through
Drying unit 3 enters spray gun 1 after drying by entering powder passage 10, combustion gas and air are entered by fuel inlet 7 and air intlet 8
Enter burning in the combustion chamber 9 of spray gun 1, the air stream of high speed takes thermal-flame out of gun barrel 6, and dope layer is formed in workpiece surface.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (5)
1. a kind of efficient sprayed molybdenum device, including spray gun（1）, powder feeder（2）, drying unit（3）And control system（4）, its feature
It is:The powder feeder（2）By pipeline and spray gun（1）Connection, the drying unit（3）It is arranged on powder feeder（2）And spray gun
（1）Between pipeline on, the spray gun（1）, powder feeder（2）And drying unit（3）All with control system（4）It is electrically connected with, institute
State spray gun（1）Including gun body（5）And gun barrel（6）, the gun barrel（6）Installed in gun body（5）An end face on, the gun body
（5）Away from gun barrel（6）An end face on be provided with fuel inlet（7）And air intlet（8）, the gun body（5）Inside it is provided with burning
Room（9）, the combustion chamber（9）With fuel inlet（7）And air intlet（8）Connection, the combustion chamber（9）Outlet and gun barrel
（6）Connection, the gun body（5）Side is provided with into powder passage（10）, it is described enter powder passage（10）With powder feeder（2）Connected by pipeline
It is logical.
2. a kind of efficient sprayed molybdenum device according to claim 1, it is characterised in that:The gun barrel（6）Away from gun body（5）
One end be spherical shell, the gun barrel（6）Spherical shell in be provided with ball nozzle（11）, the ball nozzle（11）It is outer
Surface and gun barrel（6）Spherical shell inner surface coordinate be flexibly connected.
3. a kind of efficient sprayed molybdenum device according to claim 2, it is characterised in that:The ball nozzle（11）Outer surface
On be carved with angle index line.
4. a kind of efficient sprayed molybdenum device according to claim 3, it is characterised in that:The ball nozzle（11）Outer surface
On the angle index line minimum range that is carved be 0.1 degree.
5. a kind of efficient sprayed molybdenum device according to claim 1, it is characterised in that:The spray gun（1）On be additionally provided with cooling
Device（12）, the cooling device include cooling duct（13）, cooling water inlet（14）And coolant outlet（15）, the cooling
Passage（13）It is arranged on spray gun（1）Inside, the cooling water inlet（14）It is arranged on gun body（5）Side on, the cooling
Water out（15）It is arranged on gun barrel（6）Spherical shell on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123906.6A CN106694270A (en) | 2017-03-03 | 2017-03-03 | Efficient molybdenum spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123906.6A CN106694270A (en) | 2017-03-03 | 2017-03-03 | Efficient molybdenum spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106694270A true CN106694270A (en) | 2017-05-24 |
Family
ID=58912171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710123906.6A Withdrawn CN106694270A (en) | 2017-03-03 | 2017-03-03 | Efficient molybdenum spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106694270A (en) |
-
2017
- 2017-03-03 CN CN201710123906.6A patent/CN106694270A/en not_active Withdrawn
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Legal Events
| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170524 |
|
| WW01 | Invention patent application withdrawn after publication |