CN110144584A - A kind of coaxial three beams powder-feeding nozzle - Google Patents
A kind of coaxial three beams powder-feeding nozzle Download PDFInfo
- Publication number
- CN110144584A CN110144584A CN201910478921.1A CN201910478921A CN110144584A CN 110144584 A CN110144584 A CN 110144584A CN 201910478921 A CN201910478921 A CN 201910478921A CN 110144584 A CN110144584 A CN 110144584A
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- Prior art keywords
- nozzle
- powder
- nozzle body
- coaxial
- beams
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000000843 powder Substances 0.000 claims description 38
- 235000013312 flour Nutrition 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of coaxial three beams powder-feeding nozzles, including block in nozzle body, nozzle head, water cooling and straight mouth connector, the nozzle head is detachably connected on the lower section of the nozzle body, block is mounted in the inner cavity of the nozzle body in the water cooling, and also forms cooling trough between block and the nozzle body in the water cooling;The straight mouth connector is mounted on the top of the nozzle body.Beneficial effect is: when nozzle damage, the interchangeable nozzles head of lower part can be removed, new nozzle be reinstalled, compared with integral replacing nozzle, it not only saves and reconnects the time of each pipeline and nozzle location debugging on nozzle, and decrease the cost for remaking nozzle.Simultaneously as internal annular air intake structure, so that coaxial gas air inlet is more evenly, better Backup lightpath system.
Description
Technical field
The present invention relates to laser melting and coating technique fields, and in particular to a kind of coaxial three beams powder-feeding nozzle.
Background technique
Laser melting and coating technique is a kind of under laser beam effect, and metal powder is heated rapidly with matrix surface, is melted, cold
But one layer of high performance alloy coat is formed in matrix surface after, so as to significantly improve wear-resisting, the corrosion resistance of matrix surface
Etc. characteristics.Due to its have very big economic benefit, at present in the industrial production using more and more extensive.
During laser melting coating, laser beam reaches workpiece by the nozzle on laser head.Since laser beam itself can
A large amount of heat is generated, in addition reflex of the laser on workpiece, so that nozzle is easy to damage because of overheat.In usual situation
Under, replacement nozzle needs to remove nozzle entirety from laser head.After in new nozzle peace to laser head, it is also necessary to connect again
Tube cell, water pipe and air inlet pipe are tapped into, and nozzle is also required to debug again at a distance from workpiece, causes greatly to time and cost
Amount waste.Moreover, because being to be directly entered laser head by connector when the coaxial shielding gas air inlet of routine, so that in laser head
It protects gas not uniform enough, comprehensive protection cannot be played to optical system.
Summary of the invention
The object of the invention is that a kind of coaxial three beams powder-feeding nozzle is provided to solve the above-mentioned problems, when nozzle damages
The nozzle head of lower part can be removed, reinstall new nozzle head by bad when.
The present invention through the following technical solutions to achieve the above objectives:
A kind of coaxial three beams powder-feeding nozzle, including block and straight mouth connector in nozzle body, nozzle head, water cooling, the nozzle head
It is detachably connected on the lower section of the nozzle body, block is mounted in the inner cavity of the nozzle body in the water cooling, and described
Cooling trough is also formed between block and the nozzle body in water cooling;The straight mouth connector is mounted on the nozzle body
Top;
Inlet opening, apopore, air inlet and several powder entering holes are additionally provided on the nozzle body, each powder entering hole is equal
It is connected with one into powder connector;The inlet opening is connected with water supply connector, and the apopore is connected with water outlet connector, institute
Air inlet is stated to be connected with inlet suction port.
The interchangeable nozzles head of lower part can be removed, be reinstalled newly when nozzle damage using above technical scheme
Nozzle.The setting of the cooling trough, cooling water reach cooling trough after entering nozzle by inlet opening, reach to spray
Blunt purpose but.It being mounted on powder entering hole into powder connector, powder feeding pipe into powder connector by being connected on nozzle, realization powder supply,
The air inlet connects inlet suction port, makes nozzle with coaxial shielding gas.
Further, the inner cavity of the nozzle body is the combination of cylindrical cavity and rotary table chamber;Block is cylinder in the water cooling
Shape structure, the columnar structured outside form circle convex platform, the inner wall cooperation of the circle convex platform and cylindrical cavity, the annulus
Columnar structured part below boss and the cavity formed between the inner wall of the rotary table chamber are cooling trough, the cooling trough
It is connected to the inlet opening and the apopore.
Further, the lateral surface of the circle convex platform offers the second seal groove, block in the nozzle body and water cooling
The face of contact offers third seal groove.
Further, the straight mouth connector is equipped with threaded hole, by screw by straight mouth connector and the nozzle master
Body is fixedly connected, and straight mouth connector is embedded in the inner cavity of the nozzle body and is fixed block in water cooling.
Further, block close to top offers the first seal groove in the water cooling, which is coupled close
Seal will seal between block in water cooling and the straight mouth connector;
The inlet plenum of annular is formed between the circle convex platform and the straight mouth connector insertion nozzle chamber branch point.
Further, several air inlets are uniformly provided on the periphery of block in the water cooling, these air inlets with into
Gas chamber connection.
Further, the nozzle head is equipped with screw hole, and nozzle head is connected with nozzle body by screw.
Further, there are three the powder entering hole opens up, the nozzle head is provided with the powder out with powder entering hole equal amount
Hole, and the position of flour opening is corresponding with the position of powder entering hole and is connected to.
Further, the opening that each flour opening is connect with powder entering hole is also provided with chamfering and forms rotary table slot.
Further, the lower end of the nozzle body offers positioning spigot, forms positioning convex platform on the nozzle head,
The positioning convex platform and positioning spigot cooperation position.
To sum up, the beneficial effects of the present invention are: when nozzle damage when, the interchangeable nozzles head of lower part can be removed, again
New nozzle is installed, compared with integral replacing nozzle, not only saves and reconnects each pipeline and nozzle position on nozzle
The time of debugging is set, and decreases the cost for remaking nozzle.Simultaneously as internal annular air intake structure, so that
Coaxial gas air inlet more evenly, better Backup lightpath system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is main view of the invention;
Fig. 2 is the D-D cross-sectional view of Fig. 1;
Fig. 3 is the axonometric drawing of Fig. 1.
The reference numerals are as follows:
1, nozzle body;2, nozzle head;2a, positioning convex platform;2b, flour opening;2c, chamfering;3, block in water cooling;3a, air inlet;4,
Straight mouth connector;5, into powder connector;6, water supply connector;7, water outlet connector;8, inlet suction port;9, the first seal groove;10, second is close
Sealing groove;11, third seal groove;12, cooling trough.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Shown in referring to figures 1-3, the present invention provides a kind of coaxial three beams powder-feeding nozzles, including nozzle body 1, nozzle head
2, block 3 and straight mouth connector 4 in water cooling, the nozzle head 2 is detachably connected on the lower section of the nozzle body 1, when nozzle damages
Bad when, can remove the interchangeable nozzles head 2 of lower part, reinstall new nozzle head 2, high-efficient, at low cost.The water
Cold interior piece 3 is mounted in the inner cavity of the nozzle body 1, and is also formed between block 3 and the nozzle body 1 in the water cooling
Cooling trough 12;Cooling water reaches cooling trough 12 after entering nozzle, achievees the purpose that cooling to nozzle.The straight mouth connection
Part 4 is mounted on the top of the nozzle body 1, and block 3 is fixed by straight mouth connector 4 in water cooling.On the nozzle body 1 also
Equipped with inlet opening, apopore, air inlet and several powder entering holes, each powder entering hole is connected with one into powder connector 5
It connects;The inlet opening is connected with water supply connector 6, and the apopore is connected with water outlet connector 7, the air inlet and air inlet connecting
First 8 are connected.
The interchangeable nozzles head 2 of lower part can be removed, be reinstalled new when nozzle damage using above technical scheme
Nozzle.The setting of the cooling trough 12, cooling water reach cooling trough 12 after entering nozzle by inlet opening, reach
To the purpose cooling to nozzle.It is mounted on powder entering hole into powder connector 5, powder feeding pipe is real by being connected on nozzle into powder connector 5
Existing powder supply, the air inlet connect inlet suction port 8, make nozzle with coaxial shielding gas.
As the preferred technical solution of this case, the inner cavity of the nozzle body 1 is the combination of cylindrical cavity and rotary table chamber;It is described
Block 3 is columnar structured in water cooling, which forms circle convex platform, the circle convex platform and cylindrical cavity it is interior
Wall cooperation, columnar structured part below the circle convex platform and the cavity formed between the inner wall of the rotary table chamber are cooling
Sink 12, the cooling trough 12 are connected to the inlet opening and the apopore, and cooling water enters cooling trough by inlet opening
In 12, effectively nozzle can be cooled down.
The lateral surface of the circle convex platform offers the second seal groove 10, and the nozzle body 1 is contacted with block 3 in water cooling
Face offers third seal groove 11.The straight mouth connector 4 be equipped with threaded hole, by screw by straight mouth connector 4 with it is described
Nozzle body 1 is fixedly connected, and straight mouth connector 4 is embedded in the inner cavity of the nozzle body 1 and is fixed block 3 in water cooling.
Block 3 offers the first seal groove 9 close to top in the water cooling, which is coupled sealing ring for block 3 in water cooling
It being sealed between the straight mouth connector 4, the first seal groove 9, the second seal groove 10 and third seal groove 11 are equipped with sealing ring,
Effectively cooling water can be sealed.The circle convex platform and the straight mouth connector 4 are embedded between nozzle chamber branch point
The inlet plenum of annular is formed, is uniformly provided with several air inlet 3a on the periphery of block 3 in the water cooling, these air inlets 3a is equal
It is connected to inlet plenum, protection gas can enter nozzle interior from inlet plenum by the air inlet 3a of collar, so that coaxial gas air inlet
More evenly, better Backup lightpath system.
The nozzle head 2 is equipped with screw hole, and nozzle head 2 is connected with nozzle body 1 by screw, can by screw
Make 2 replaceable of nozzle head.There are three the powder entering hole opens up, the nozzle head 2 is provided with the powder out with powder entering hole equal amount
Hole 2b, and the position of flour opening 2b is corresponding with the position of powder entering hole and is connected to.
The opening that each flour opening 2b is connect with powder entering hole is also provided with chamfering 2c and forms rotary table slot.From nozzle body 1
The metal powder of upper entrance is sent to workpiece surface by rotary table slot, and the chamfering 2c of powder entering end can be prevented caused by installation site deviation
Powder leakage.
The lower end of the nozzle body 1 offers positioning spigot, and positioning convex platform 2a is formed on the nozzle head 2, described
Positioning convex platform 2a and positioning spigot cooperation position, and thus do installation positioning to interchangeable nozzles.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of coaxial three beams powder-feeding nozzle, it is characterised in that: connected including block in nozzle body, nozzle head, water cooling with straight mouth
Part, the nozzle head are detachably connected on the lower section of the nozzle body, and block is mounted on the nozzle body in the water cooling
In inner cavity, and cooling trough is also formed between block and the nozzle body in the water cooling;The straight mouth connector is mounted on
The top of the nozzle body;
Inlet opening, apopore, air inlet and several powder entering holes are additionally provided on the nozzle body, each powder entering hole is equal
It is connected with one into powder connector;The inlet opening is connected with water supply connector, and the apopore is connected with water outlet connector, institute
Air inlet is stated to be connected with inlet suction port.
2. a kind of coaxial three beams powder-feeding nozzle according to claim 1, it is characterised in that: the inner cavity of the nozzle body is circle
The combination of column chamber and rotary table chamber;Block is columnar structured in the water cooling, which forms circle convex platform,
The cooperation of the inner wall of the circle convex platform and cylindrical cavity, columnar structured part below the circle convex platform in the rotary table chamber
The cavity formed between wall is cooling trough, which is connected to the inlet opening and the apopore.
3. a kind of coaxial three beams powder-feeding nozzle according to claim 2, it is characterised in that: the lateral surface of the circle convex platform is opened
Equipped with the second seal groove, the face that the nozzle body is contacted with block in water cooling offers third seal groove.
4. a kind of coaxial three beams powder-feeding nozzle according to claim 3, it is characterised in that: the straight mouth connector is equipped with spiral shell
Straight mouth connector is fixedly connected by pit by screw with the nozzle body, and straight mouth connector is embedded in the nozzle body
Inner cavity in block in water cooling is fixed.
5. a kind of coaxial three beams powder-feeding nozzle according to claim 4, it is characterised in that: block is opened close to top in the water cooling
Equipped with the first seal groove, which is coupled sealing ring and will seal between block in water cooling and the straight mouth connector;
The inlet plenum of annular is formed between the circle convex platform and the straight mouth connector insertion nozzle chamber branch point.
6. a kind of coaxial three beams powder-feeding nozzle according to claim 5, it is characterised in that: in the water cooling on the periphery of block
Several air inlets are uniformly provided with, these air inlets are connected to inlet plenum.
7. a kind of coaxial three beams powder-feeding nozzle according to claim 1, it is characterised in that: the nozzle head is equipped with screw
Nozzle head is connected by hole by screw with nozzle body.
8. a kind of coaxial three beams powder-feeding nozzle according to claim 7, it is characterised in that: there are three the powder entering hole opens up,
The nozzle head is provided with the flour opening with powder entering hole equal amount, and the position of flour opening it is corresponding with the position of powder entering hole and
Connection.
9. a kind of coaxial three beams powder-feeding nozzle according to claim 8, it is characterised in that: each flour opening is connect with powder entering hole
Opening be also provided with chamfering formed rotary table slot.
10. -9 any a kind of coaxial three beams powder-feeding nozzle according to claim 1, it is characterised in that: the nozzle body
Lower end offers positioning spigot, and positioning convex platform is formed on the nozzle head, and the positioning convex platform and the positioning spigot cooperate
Positioning.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910478921.1A CN110144584A (en) | 2019-06-04 | 2019-06-04 | A kind of coaxial three beams powder-feeding nozzle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910478921.1A CN110144584A (en) | 2019-06-04 | 2019-06-04 | A kind of coaxial three beams powder-feeding nozzle |
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Publication Number | Publication Date |
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CN110144584A true CN110144584A (en) | 2019-08-20 |
Family
ID=67590241
Family Applications (1)
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CN201910478921.1A Pending CN110144584A (en) | 2019-06-04 | 2019-06-04 | A kind of coaxial three beams powder-feeding nozzle |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111850547A (en) * | 2020-07-24 | 2020-10-30 | 西安建筑科技大学 | Multi-shaft ultrahigh-speed laser cladding nozzle |
CN111962067A (en) * | 2020-08-24 | 2020-11-20 | 常熟智造激光装备研究院有限公司 | Powder feeding device for laser cladding |
CN112030160A (en) * | 2020-09-27 | 2020-12-04 | 熔创金属表面科技(常州)有限公司 | Multi-axis laser cladding anti-gravity deflecting ring cone focusing powder feeding nozzle |
CN112430813A (en) * | 2020-12-11 | 2021-03-02 | 泰尔(安徽)工业科技服务有限公司 | Split type laser cladding powder feeding nozzle and method for carrying out laser cladding by using same |
WO2024045907A1 (en) * | 2022-08-29 | 2024-03-07 | 上海嘉强自动化技术有限公司 | Cooling structural body |
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CN203741418U (en) * | 2014-02-28 | 2014-07-30 | 中国石油大学(华东) | Coaxial protective gas conveying device for laser cladding |
CN104694922A (en) * | 2015-03-30 | 2015-06-10 | 湖南大学 | Ring hole type laser coaxial powder feeding nozzle |
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CN107245715A (en) * | 2017-06-12 | 2017-10-13 | 中国矿业大学 | A kind of built-in sieve mesh type loop laser melting-painting nozzle |
CN108687440A (en) * | 2018-07-20 | 2018-10-23 | 苏州迅镭激光科技有限公司 | A kind of gentle uniform laser cutting head gas path device of blowing |
CN211311587U (en) * | 2019-06-04 | 2020-08-21 | 沈阳中科煜宸科技有限公司 | Coaxial three-beam powder feeding nozzle |
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2019
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CN202643843U (en) * | 2012-06-12 | 2013-01-02 | 沈阳新松机器人自动化股份有限公司 | Laser cladding machining head |
CN203741418U (en) * | 2014-02-28 | 2014-07-30 | 中国石油大学(华东) | Coaxial protective gas conveying device for laser cladding |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111850547A (en) * | 2020-07-24 | 2020-10-30 | 西安建筑科技大学 | Multi-shaft ultrahigh-speed laser cladding nozzle |
CN111850547B (en) * | 2020-07-24 | 2024-04-12 | 西安建筑科技大学 | Multi-shaft ultra-high-speed laser cladding spray head |
CN111962067A (en) * | 2020-08-24 | 2020-11-20 | 常熟智造激光装备研究院有限公司 | Powder feeding device for laser cladding |
CN112030160A (en) * | 2020-09-27 | 2020-12-04 | 熔创金属表面科技(常州)有限公司 | Multi-axis laser cladding anti-gravity deflecting ring cone focusing powder feeding nozzle |
CN112430813A (en) * | 2020-12-11 | 2021-03-02 | 泰尔(安徽)工业科技服务有限公司 | Split type laser cladding powder feeding nozzle and method for carrying out laser cladding by using same |
WO2024045907A1 (en) * | 2022-08-29 | 2024-03-07 | 上海嘉强自动化技术有限公司 | Cooling structural body |
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Address after: No.1, Haigang street, offshore economic zone, Shenyang, Liaoning Province, 114202 Applicant after: Shenyang Zhongke Yuchen Technology Co.,Ltd. Address before: 114202 No. 1 Offshore Street, Shenyang Offshore Economic Zone, Anshan City, Liaoning Province Applicant before: Shenyang Zhongke Yuchen Technology Co.,Ltd. |