CN106435578B - A kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection - Google Patents
A kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection Download PDFInfo
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- CN106435578B CN106435578B CN201611041433.7A CN201611041433A CN106435578B CN 106435578 B CN106435578 B CN 106435578B CN 201611041433 A CN201611041433 A CN 201611041433A CN 106435578 B CN106435578 B CN 106435578B
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- water cooling
- nozzle
- outer shroud
- entrance
- wall
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Classifications
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- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
A kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection, is related to a kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle.The technical issues of present invention is to solve current Process of Powder Feeding Laser Cladding nozzle long time continuous working, and the temperature of nozzle is very high, and scaling loss deformation easily occurs for nozzle.The present invention is made of the inner ring nozzle with water cooling conduit and the outer shroud nozzle with water cooling entrance；The water cooling groove of serpentine path is provided on the outer wall of inner ring nozzle；The upper end EDS maps water cooling entrance and exit of outer shroud nozzle, lower section is respectively communicated with an inlet and outlet pipes, the other end of inlet and outlet pipes is connected to an inner and outer ring nozzle water cooling connecting pipe, and the other end of inner and outer ring nozzle water cooling connecting pipe is connected to the water cooling groove on inner ring outer nozzle wall.Advantages of the present invention：The outer wall of inner ring nozzle is completely covered in the water cooling groove of serpentine path, and cooling water can be made to be circulated completely in conduit to reach best cooling effect.
Description
Technical field
The present invention relates to a kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzles.
Background technology
Laser melting and coating technique is a kind of advanced manufacturing technology flexible, quickly grows be widely used in recent years.Laser is molten
The basic process of coating technique is：The laser beam for possessing high-energy density generates molten bath in matrix surface, while with powder feeding or wire feed
Mode add material into, the cladding layer of high quality is finally formed in matrix surface, to reach modification to piece surface, repairing
Deng.If the mode that material is successively accumulated carries out laser melting coating, the as direct fusion sediment of laser in laser gain material manufacture
Technology.
Process of Powder Feeding Laser Cladding is generally used now, and since it is for wire feed formula laser melting coating, there is high-precision,
Material is controllable, it is easily prepared the advantages that.Wherein powder feeding formula is divided into as paraxonic powder feeding and coaxial powder-feeding, and paraxonic nozzle is mainly used for two
Application scenario is tieed up, the preferable surface of accessibility, such as the bearing surface of larger rotation shaft are used for.Coaxial powder-feeding then has more add
Work selectivity can be used for accurate cladding and three-dimensional cladding etc..Surface cladding or laser are carried out by Process of Powder Feeding Laser Cladding technology
When increasing material manufacturing, nozzle long time continuous working is generally required, under the operating mode that some expectations are obtained with higher efficiency, is used
Laser power and powder sending quantity also tend to very big, this will be that the heat-resisting quantity of nozzle bring very big challenge.If without good
Water cooling protect to reduce the temperature of nozzle, molten bath reflection laser and molten bath heat radiation effect under nozzle scaling loss easily occurs
Deformation, damages the stability and continuity of the course of work.Therefore it develops a kind of same with good water cooling protecting effect
Axis Process of Powder Feeding Laser Cladding nozzle just seems necessary.
Invention content
When the present invention is to solve current Process of Powder Feeding Laser Cladding or laser gain material manufacture, the continuous work of nozzle long-time
Make, the temperature of nozzle is very high, and scaling loss deformation, the skill that stability and continuity to the course of work damage easily occur for nozzle
Art problem, and a kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection is provided.
A kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection of the present invention is by with water-cooling groove
The inner ring nozzle in road and with water cooling entrance outer shroud nozzle composition；
The center of the outer shroud nozzle with water cooling entrance is a cavity got through with upper and lower end face, described
The outer wall of the inner ring nozzle with water cooling conduit and the cavity inner wall of outer shroud nozzle with water cooling entrance it is having the same
Taper and height so that the outer wall of the inner ring nozzle with water cooling conduit and the outer shroud nozzle with water cooling entrance sky
Cavity wall closely connects；
The center of the inner ring nozzle with water cooling conduit is a truncated cone-shaped laser radiation gas channel, inner ring nozzle
The water cooling groove of serpentine path is provided on outer wall, the initiating terminal and destination terminal of water cooling groove are respectively positioned on the top layer of water cooling groove
Groove endpoints at；
What the upper surface of the outer shroud nozzle with water cooling entrance was uniformly distributed three line powder flow paths enters powder
Mouthful, the circle center line connecting of three powder inlets and the outer shroud nozzle with water cooling entrance is mutually 120 °, the three line powder streams
The central axes in channel and the central axes of the outer shroud nozzle with water cooling entrance are at the same angle, and are intersected in and go out with water cooling
On the central axes of the outer shroud nozzle of entrance；Among two powder inlets of the upper surface of the outer shroud nozzle with water cooling entrance
One outer shroud nozzle water cooling entrance of even distribution and an outer shroud nozzle water cooling outlet, outer shroud nozzle water cooling entrance and outer shroud nozzle water
Cold outlet and the circle center line connecting angle of the outer shroud nozzle with water cooling entrance are 40 °, connection below outer shroud nozzle water cooling entrance
The other end of one water inlet line, water inlet line is connected to a perpendicular inner and outer ring nozzle water cooling connecting pipe a, inner and outer ring
The other end of nozzle water cooling connecting pipe a and the initiating terminal of the water cooling groove on the inner ring outer nozzle wall with water cooling conduit connect
It is logical；Outer shroud nozzle water cooling enters out lower section and is connected to an outlet conduit, the other end of outlet conduit be connected to one it is perpendicular interior
Outer shroud nozzle water cooling connecting pipe b, the other end of inner and outer ring nozzle water cooling connecting pipe b and the inner ring nozzle with water cooling conduit
The destination terminal of water cooling groove on outer wall is connected to.
Advantages of the present invention：
The outer wall of inner ring nozzle is completely covered in the water cooling groove of serpentine path, cooling water can be made to circulate in conduit completely
To reach best cooling effect.
Description of the drawings
Fig. 1 is the vertical view of the outer shroud nozzle with water cooling entrance in specific implementation mode one, and 1 is with water cooling discrepancy
The outer shroud nozzle of mouth, 2,3 and 4 be powder inlet, and 2-1,3-1 and 4-1 are three line powder flow paths, and 5 be that outer shroud nozzle water cooling enters
Mouthful, 5-2 is water inlet line, and 5-1 is inner and outer ring nozzle water cooling connecting pipe a, and 6 be the outlet of outer shroud nozzle water cooling, and 6-2 is outlet pipe
Road, 6-1 are inner and outer ring nozzle water cooling connecting pipe b；
Fig. 2 is the sectional view in the directions A-A of Fig. 1, and 5 be outer shroud nozzle water cooling entrance, and 5-2 is water inlet line, and 5-1 is inside and outside
Ring spray mouth water cooling connecting pipe a；
Fig. 3 is the sectional view in the directions B-B of Fig. 1, and 6 be the outlet of outer shroud nozzle water cooling, and 6-2 is outlet conduit, and 6-1 is inside and outside
Ring spray mouth water cooling connecting pipe b；
Fig. 4 is the sectional view in the directions C-C of Fig. 1, and 3 be powder inlet, and 3-1 is powder flow paths；
Fig. 5 is the front view of the inner ring nozzle with water cooling conduit, and 7 be the inner ring nozzle with water cooling conduit, and 10 be tool
The water cooling groove for the serpentine path being arranged on the outer wall for having the inner ring nozzle of water cooling conduit, 8 be the initiating terminal of water cooling groove, and 9 are
The destination terminal of water cooling groove；
Fig. 6 is the stereogram of the inner ring nozzle with water cooling conduit, and 7 be the inner ring nozzle with water cooling conduit, and 10 be tool
The water cooling groove for the serpentine path being arranged on the outer wall for having the inner ring nozzle of water cooling conduit, 8 be the initiating terminal of water cooling groove, and 9 are
The destination terminal of water cooling groove；
Fig. 7 is the sectional view in the directions D-D of Fig. 5, and 12 be the truncated cone-shaped laser of the inner ring nozzle center with water cooling conduit
Protect gas channel；
Fig. 8 is the flat of the water cooling groove for the serpentine path being arranged on the outer wall of the inner ring nozzle with water cooling conduit in Fig. 6
Face expanded view, 10 be the water cooling groove of serpentine path that is arranged on the outer wall of the inner ring nozzle with water cooling conduit, and 8 be that water cooling is recessed
The initiating terminal of slot, 9 be the destination terminal of water cooling groove；
Fig. 9 is the overall perspective view for the multi-beam coaxial powder-feeding formula laser melting-painting nozzle that there is water cooling to protect, and 1 is with water
The outer shroud nozzle of cold entrance, 2 and 4 be powder inlet, and 6 be the outlet of outer shroud nozzle water cooling, and 7 be the interior ring spray with water cooling conduit
Mouth.
Specific implementation mode
Specific implementation mode one：Such as Fig. 1-9, present embodiment is a kind of multi-beam coaxial powder-feeding formula with water cooling protection
Laser melting-painting nozzle is specifically made of the inner ring nozzle 7 with water cooling conduit and the outer shroud nozzle 1 with water cooling entrance；
The center of the outer shroud nozzle 1 with water cooling entrance is a cavity 11 got through with upper and lower end face,
11 inner wall of cavity of the outer wall of the inner ring nozzle 7 with water cooling conduit and the outer shroud nozzle 1 with water cooling entrance has
There is identical taper and highly so that the outer wall of the inner ring nozzle 7 with water cooling conduit and the outer shroud with water cooling entrance
11 inner wall of cavity of nozzle 1 closely connects；
The center of the inner ring nozzle 7 with water cooling conduit is a truncated cone-shaped laser radiation gas channel 12, has water
The water cooling groove 10 of serpentine path, the initiating terminal 8 and terminal of water cooling groove 10 are provided on the outer wall of the inner ring nozzle 7 in cold trap road
At two endpoints of top layer's groove that end 9 is respectively positioned on water cooling groove 10；
The upper surface of the outer shroud nozzle 1 with water cooling entrance is uniformly distributed three line powder flow paths 2-1,3-
1 powder inlet corresponding with 4-1 2,3 and 4, three powder inlets 2,3 and 4 and 1 upper surface of outer shroud nozzle with water cooling entrance
Circle center line connecting is mutually 120 °, the central axes of three described line powder flow paths 2-1,3-1 and the 4-1 with water cooling entrance
The central axes of outer shroud nozzle 1 are at the same angle, and are intersected on the central axes of the outer shroud nozzle 1 with water cooling entrance；?
An outer shroud nozzle water cooling is uniformly distributed among two powder inlets 3 of the upper surface of the outer shroud nozzle 1 with water cooling entrance and 4
Entrance 5 and an outer shroud nozzle water cooling outlet 6, outer shroud nozzle water cooling entrance 5 and outer shroud nozzle water cooling outlet 6 go out with water cooling
The circle center line connecting angle of 1 upper surface of outer shroud nozzle of entrance is 40 °, the lower section of outer shroud nozzle water cooling entrance 5 be connected to one into
The other end of waterpipe 5-2, water inlet line 5-2 is connected to a perpendicular inner and outer ring nozzle water cooling connecting pipe a5-1, interior
The other end of outer shroud nozzle water cooling connecting pipe a5-1 and the water cooling groove 10 on 7 outer wall of inner ring nozzle with water cooling conduit
Initiating terminal 8 is connected to；The lower section of outer shroud nozzle water cooling inlet/outlet 6 is connected to an outlet conduit 6-2, the other end of outlet conduit 6-2
It is connected to a perpendicular inner and outer ring nozzle water cooling connecting pipe b6-1, inner and outer ring nozzle water cooling connecting pipe b6-1's is another
The destination terminal 9 with the water cooling groove 10 on 7 outer wall of inner ring nozzle with water cooling conduit is held to be connected to.
Cooling water overall flow path is：Cooling water enters from outer shroud nozzle water cooling entrance 5, passes sequentially through water inlet line 5-
2 and inner and outer ring nozzle water cooling connecting pipe a5-1 flows into the water cooling groove 10 on 7 outer wall of inner ring nozzle with water cooling conduit
Initiating terminal 8 is flowed by water cooling groove 10 from the destination terminal 9 of the water cooling groove 10 on 7 outer wall of inner ring nozzle with water cooling conduit
Go out, then pass sequentially through inner and outer ring nozzle water cooling connecting pipe b6-1 and outlet conduit 6-2 and flow to outer shroud nozzle water cooling outlet 6,
Final outer shroud nozzle 1 of the outflow with water cooling entrance, to achieve the effect that integrally to cool down to nozzle.
Specific implementation mode two：The present embodiment is different from the first embodiment in that：Inner ring with water cooling conduit
The close connection type of 11 inner wall of cavity of the outer wall of nozzle 7 and the outer shroud nozzle 1 with water cooling entrance is soldering connection.It is other
It is same as the specific embodiment one.
Specific implementation mode three：The present embodiment is different from the first embodiment in that：Inner ring with water cooling conduit
The outer wall of nozzle 7 is that sealing ring is connect with the close connection type of 11 inner wall of cavity of the outer shroud nozzle 1 with water cooling entrance.Its
It is same as the specific embodiment one.
Specific implementation mode four：The present embodiment is different from the first embodiment in that：Inner ring with water cooling conduit
The material of nozzle 7 is copper alloy.It is other same as the specific embodiment one.
Specific implementation mode five：The present embodiment is different from the first embodiment in that：It is outer with water cooling entrance
The material of ring spray mouth 1 is copper alloy.It is other same as the specific embodiment one.
Claims (5)
1. a kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection, it is characterised in that with water cooling protection
Multi-beam coaxial powder-feeding formula laser melting-painting nozzle is by inner ring nozzle (7) with water cooling conduit and outer with water cooling entrance
Ring spray mouth (1) forms；
The center of the outer shroud nozzle (1) with water cooling entrance is a cavity (11) got through with upper and lower end face,
The cavity (11) of the outer wall of the inner ring nozzle (7) with water cooling conduit and the outer shroud nozzle (1) with water cooling entrance
Inner wall taper having the same and height are so that the outer wall of the inner ring nozzle (7) with water cooling conduit comes in and goes out with water cooling
Cavity (11) inner wall of the outer shroud nozzle (1) of mouth closely connects；
The center of the inner ring nozzle (7) with water cooling conduit is a truncated cone-shaped laser radiation gas channel (12), has water
The water cooling groove (10) of serpentine path, the initiating terminal of water cooling groove (10) are provided on the outer wall of the inner ring nozzle (7) in cold trap road
(8) and at two endpoints of destination terminal (9) top layer's groove for being respectively positioned on water cooling groove (10)；The water cooling of the serpentine path
Groove (10) is completely covered the outer wall of the inner ring nozzle (7) with water cooling conduit, water cooling groove (10) in the horizontal direction from up to
Under be divided into multi-layer groove, per adjacent two layers grooves between be connected to, water cooling groove (10) is divided into left and right two parts, is into water portion respectively
And outlet part, the water portion that enters of lowest level groove are connected to outlet part；
The upper surface of the outer shroud nozzle (1) with water cooling entrance be uniformly distributed three line powder flow paths (2-1),
(3-1) and (4-1) corresponding powder inlet (2), (3) and (4), three powder inlets (2), (3) and (4) with water cooling entrance
The circle center line connecting of outer shroud nozzle (1) upper surface is mutually 120 °, the three line powder flow paths (2-1), (3-1) and (4-1)
Central axes and outer shroud nozzle (1) with water cooling entrance central axes it is at the same angle, and be intersected in and go out with water cooling
On the central axes of the outer shroud nozzle (1) of entrance；Two powder inlets in the upper surface of the outer shroud nozzle (1) with water cooling entrance
(3) and among (4) an outer shroud nozzle water cooling entrance (5) and an outer shroud nozzle water cooling outlet (6), outer shroud nozzle are uniformly distributed
Water cooling entrance (5) and outer shroud nozzle water cooling outlet (6) and the center of circle of outer shroud nozzle (1) upper surface with water cooling entrance connect
Wire clamp angle is 40 °, and the lower section of outer shroud nozzle water cooling entrance (5) is connected to a water inlet line (5-2), water inlet line (5-2) it is another
One end is connected to a perpendicular inner and outer ring nozzle water cooling connecting pipe a (5-1), inner and outer ring nozzle water cooling connecting pipe a (5-
1) the other end is connected to the initiating terminal (8) of the water cooling groove (10) on inner ring nozzle (7) outer wall with water cooling conduit；Outer shroud
The lower section that nozzle water cooling exports (6) is connected to an outlet conduit (6-2), and the other end of outlet conduit (6-2) is connected to one and its
Vertical inner and outer ring nozzle water cooling connecting pipe b (6-1), the other end of inner and outer ring nozzle water cooling connecting pipe b (6-1) with have
The destination terminal (9) of water cooling groove (10) on inner ring nozzle (7) outer wall of water cooling conduit is connected to.
2. a kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection according to claim 1, special
Sign is to have the cavity (11) of the outer wall and the outer shroud nozzle (1) with water cooling entrance of the inner ring nozzle (7) of water cooling conduit
The close connection type of inner wall is soldering connection.
3. a kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection according to claim 1, special
Sign is to have the cavity (11) of the outer wall and the outer shroud nozzle (1) with water cooling entrance of the inner ring nozzle (7) of water cooling conduit
The close connection type of inner wall connects for sealing ring.
4. a kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection according to claim 1, special
Sign is that it is copper alloy to have the material of the inner ring nozzle (7) of water cooling conduit.
5. a kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection according to claim 1, special
Sign is that it is copper alloy to have the material of the outer shroud nozzle (1) of water cooling entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611041433.7A CN106435578B (en) | 2016-11-23 | 2016-11-23 | A kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611041433.7A CN106435578B (en) | 2016-11-23 | 2016-11-23 | A kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection |
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| Publication Number | Publication Date |
|---|---|
| CN106435578A CN106435578A (en) | 2017-02-22 |
| CN106435578B true CN106435578B (en) | 2018-10-30 |
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| CN201611041433.7A Active CN106435578B (en) | 2016-11-23 | 2016-11-23 | A kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009036B (en) * | 2017-04-10 | 2018-12-14 | 沈阳精新再制造有限公司 | One kind being used for laser melting coating cooling device |
| CN107245715B (en) * | 2017-06-12 | 2019-08-20 | 中国矿业大学 | A kind of built-in sieve mesh type loop laser melting-painting nozzle |
| JP6943703B2 (en) * | 2017-09-19 | 2021-10-06 | 技術研究組合次世代３Ｄ積層造形技術総合開発機構 | Nozzles, processing equipment, and laminated modeling equipment |
| CN111250702A (en) * | 2020-03-27 | 2020-06-09 | 中国商用飞机有限责任公司 | Powder feeding nozzle for laser directional energy deposition |
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