CN108070855A - A kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating - Google Patents
A kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating Download PDFInfo
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- CN108070855A CN108070855A CN201711348365.3A CN201711348365A CN108070855A CN 108070855 A CN108070855 A CN 108070855A CN 201711348365 A CN201711348365 A CN 201711348365A CN 108070855 A CN108070855 A CN 108070855A
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- powder
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- beam spot
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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
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
A kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating belongs to laser cladding equipment technical field, and in particular to a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser cladding equipment.Present invention offer is a kind of reliably, stablizes, efficiently, and is suitable for the coaxial atmosphere protection powder-feeding nozzle of linear beam spot laser melting coating.The present invention includes main structure body and powder-feeding mouth, it is characterised in that：It is provided with metal powder passage at the top of the main structure body, in agent structure, is tiltedly installed with to light to powder contact pin through hole, the end of the metal powder passage connects powder contact pin through hole with to light；Corresponding to connector is provided with to the end of powder contact pin through hole to light on the main structure body, the powder-feeding mouth is engaged with connector.
Description
Technical field
The invention belongs to laser cladding equipment technical fields, and in particular to one kind is suitable for linear beam spot laser cladding equipment
Coaxial atmosphere protection powder-feeding nozzle.
Background technology
In laser melting coating processing, common laser melting coating is that laser is gathered a focus by focus lamp, then
Metal powder is sent at laser spot by dust feeder, one kind that reparation workpiece surface in molten bath is formed in work piece surface adds
Work mode.With the increasingly maturation of laser melting coating processing technology, point type cladding processing cannot meet people to processing efficiency
Pursuit.Therefore, linear beam spot laser melting coating processing starts to occur, and the appearance of linear beam spot laser melting coating processing, just inevitable
Need a kind of automatic powder feeding system that can be matching；There are no the nozzles suitable for linear beam spot laser melting coating on the market at present.
The content of the invention
The present invention addresses the above problem, provide it is a kind of reliable, stablize, efficiently, and melted suitable for linear beam spot laser
The coaxial atmosphere protection powder-feeding nozzle covered.
In order to realize the above-mentioned purpose of the present invention, the present invention adopts the following technical scheme that, the present invention include main structure body and
Powder-feeding mouth, it is characterised in that：It is provided with metal powder passage at the top of the main structure body, in agent structure, is tiltedly installed with pair
Light connects powder contact pin through hole with to light powder contact pin through hole, the end of the metal powder passage；Phase on the main structure body
Ying Yu is provided with connector to light to the end of powder contact pin through hole, and the powder-feeding mouth is engaged with connector.
As a preferred embodiment of the present invention, be provided in the powder-feeding mouth with to light it is corresponding to powder contact pin through hole go out
Powder hole, the flour opening are arranged to oval through hole.
As another preferred embodiment of the present invention, protection gas inlet channel is provided in the main structure body, it is described to send
The flour opening side of powder mouth is provided with the venthole connected with protection gas inlet channel.
Further, the venthole is arranged to the hole slot of two arcs, and the hole slot of two arcs is respectively arranged at flour opening
Both sides；In the hole slot of two arc, the arc-like rows cloth of hole slot is provided with multiple blowing circular holes.
As the third preferred embodiment of the present invention, cooling water circulation passage is provided in the main structure body.
Beneficial effects of the present invention：The present invention uses simple mechanical structure, realizes that the linear shape of metal powder is uniform
Output adapts to linear beam spot laser melting coating, improves cladding efficiency；Powder-feeding nozzle is taken away because of laser reflection by the cycling of cooling water
Heat caused by light ensures that powder-feeding nozzle does not generate deformation；By, to powder function, realizing that metal powder is accurately sent to laser to light
Powder using efficiency is improved in cladding molten bath；Coaxial gas is provided by coaxial shielding gas device to protect, and ensures laser melting coating surface not
It is oxidizable, improve laser cladding layer quality.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of main structure body of the present invention.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the B-B sectional views of Fig. 2.
Fig. 5 is the C-C sectional views of Fig. 2.
Fig. 6 is the D direction views of Fig. 1.
1 it is contact pin in attached drawing, 2 be venthole, 3 be flour opening, 4 be powder-feeding mouth, 5 be connector, 6 is to powder contact pin to light
Through hole, 7 be main structure body, 8 be metal powder passage, 9 be protection gas inlet channel, 10 be cooling water circulation passage, 11 to blow
Wind circular hole, 12 are hole slot.
Specific embodiment
The present invention includes main structure body 7 and powder-feeding mouth 4, it is characterised in that：7 top of main structure body is provided with metal powder
Last passage 8 in agent structure, is tiltedly installed with to light to powder contact pin through hole 6, the end of the metal powder passage 8 with to light
Powder contact pin through hole 6 is connected；It is corresponded on the main structure body 7 and connector 5 is provided with to the end of powder contact pin through hole 6 to light,
The powder-feeding mouth 4 is engaged with connector 5.
As a preferred embodiment of the present invention, it is provided in the powder-feeding mouth 4 corresponding to powder contact pin through hole 6 with to light
Flour opening 3, the flour opening 3 are arranged to oval through hole.
As another preferred embodiment of the present invention, protection gas inlet channel 9 is provided in the main structure body 7, it is described
3 side of flour opening of powder-feeding mouth 4 is provided with the venthole 2 connected with protection gas inlet channel 9.
Further, the venthole 2 is arranged to the hole slot 12 of two arcs, and the hole slot 12 of two arcs is respectively arranged at out
The both sides in powder hole 3；In the hole slot 12 of two arc, the arc-like rows cloth of hole slot 12 is provided with multiple blowing circular holes 11.
As the third preferred embodiment of the present invention, cooling water circulation passage 10 is provided in the main structure body 7.
The metal powder passage 8 it is vertical be arranged at 7 top center of main structure body, the cooling water circulation passage 10 is set
It is placed in described in the side of metal powder passage 8 and is connected through a screw thread between connector 5 and powder-feeding mouth 4；The protection gas air inlet is led to
Road 9 is arranged to two, and the entrance of two inlet channels is respectively arranged at the both side surface of main structure body 7, the outlet of two inlet channels
It is arranged on the connector 5.
The present invention is in use, first check whether each several part part is complete, and whether connection is secured.The present invention is fixed, right
Light is inserted into contact pin 1 to powder contact pin through hole 6, adjusts powder-feeding nozzle posture according to contact pin 1 and laser designation light relative position, makes contact pin
After 1 is completely superposed with laser designation light, contact pin 1 is extracted out, connect powder feeding pipe, ON cycle cooling water and powder feeder, work as metal powder
End is exported from powder-feeding nozzle can open laser progress cladding processing when output is stablized.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
The described technical solution of inventive embodiments, it will be understood by those of ordinary skill in the art that, still the present invention can be carried out
Modification or equivalent substitution, to reach identical technique effect；As long as meeting using needs, all protection scope of the present invention it
It is interior.
Claims (6)
1. a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating, including main structure body（7）And powder feeding
Mouth（4）, it is characterised in that：The main structure body（7）Top is provided with metal powder passage（8）, in agent structure, it is obliquely installed
Have to light to powder contact pin through hole（6）, the metal powder passage（8）End with to light to powder contact pin through hole（6）Connection；It is described
Main structure body（7）It is upper to correspond to light to powder contact pin through hole（6）End be provided with connector（5）, the powder-feeding mouth（4）With connecting
Connector（5）It is engaged.
2. a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating according to claim 1,
It is characterized in that：The powder-feeding mouth（4）It is inside provided with and to light to powder contact pin through hole（6）Corresponding flour opening（3）, the flour opening
（3）It is arranged to oval through hole.
3. a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating according to claim 1,
It is characterized in that：The main structure body（7）Inside it is provided with protection gas inlet channel（9）, the powder-feeding mouth（4）Flour opening（3）Side
Side is provided with and protection gas inlet channel（9）The venthole of connection（2）.
4. a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating according to claim 1,
It is characterized in that：The venthole（2）It is arranged to the hole slot of two arcs（12）, the hole slot of two arcs（12）It is respectively arranged at out powder
Hole（3）Both sides；The hole slot of two arc（12）It is interior, along hole slot（12）Arc-like rows cloth be provided with multiple blowing circular holes
（11）.
5. a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating according to claim 1,
It is characterized in that：The main structure body（7）Inside it is provided with cooling water circulation passage（10）.
6. a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating according to claim 1,
It is characterized in that：The metal powder passage（8）Vertical is arranged at main structure body（7）Top center, the cooling water circulation lead to
Road（10）It is arranged at metal powder passage（8）Side described in connector（5）And powder-feeding mouth（4）Between be connected through a screw thread；Institute
State protection gas inlet channel（9）Two are arranged to, the entrance of two inlet channels is respectively arranged at main structure body（7）Both sides table
Face, the outlet of two inlet channels are arranged at the connector（5）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348365.3A CN108070855B (en) | 2017-12-15 | 2017-12-15 | A kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348365.3A CN108070855B (en) | 2017-12-15 | 2017-12-15 | A kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108070855A true CN108070855A (en) | 2018-05-25 |
| CN108070855B CN108070855B (en) | 2019-12-03 |
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ID=62158309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711348365.3A Active CN108070855B (en) | 2017-12-15 | 2017-12-15 | A kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108070855B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536957A (en) * | 2019-01-29 | 2019-03-29 | 南京辉锐光电科技有限公司 | Laser melting-painting nozzle and laser cladding apparatus |
| CN110004440A (en) * | 2019-03-29 | 2019-07-12 | 西安必盛激光科技有限公司 | A kind of powder feeder of the adjustable powder feeding state of laser melting coating |
| CN112064016A (en) * | 2020-09-22 | 2020-12-11 | 安徽中科春谷激光产业技术研究院有限公司 | Laser cladding gas protection device |
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| US20040133298A1 (en) * | 2002-10-31 | 2004-07-08 | Ehsan Toyserkani | System and method for closed-loop control of laser cladding by powder injection |
| CN1570190A (en) * | 2004-04-28 | 2005-01-26 | 华中科技大学 | Built-in type jet nozzle for laser melting and coating |
| CN1814391A (en) * | 2005-12-27 | 2006-08-09 | 苏州大学 | Laser precision coated powder coaxial device |
| JP2008178895A (en) * | 2007-01-25 | 2008-08-07 | Hitachi Plant Technologies Ltd | Laser cladding-by-welding apparatus |
| CN103132072A (en) * | 2013-03-20 | 2013-06-05 | 上海交通大学 | Lateral powder feeding nozzle device applied to laser cladding |
| CN105862029A (en) * | 2016-05-18 | 2016-08-17 | 天津市宏岱国际贸易有限公司 | Coaxial laser cladding spray nozzle |
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2017
- 2017-12-15 CN CN201711348365.3A patent/CN108070855B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040133298A1 (en) * | 2002-10-31 | 2004-07-08 | Ehsan Toyserkani | System and method for closed-loop control of laser cladding by powder injection |
| CN1570190A (en) * | 2004-04-28 | 2005-01-26 | 华中科技大学 | Built-in type jet nozzle for laser melting and coating |
| CN1814391A (en) * | 2005-12-27 | 2006-08-09 | 苏州大学 | Laser precision coated powder coaxial device |
| JP2008178895A (en) * | 2007-01-25 | 2008-08-07 | Hitachi Plant Technologies Ltd | Laser cladding-by-welding apparatus |
| CN103132072A (en) * | 2013-03-20 | 2013-06-05 | 上海交通大学 | Lateral powder feeding nozzle device applied to laser cladding |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536957A (en) * | 2019-01-29 | 2019-03-29 | 南京辉锐光电科技有限公司 | Laser melting-painting nozzle and laser cladding apparatus |
| CN109536957B (en) * | 2019-01-29 | 2024-04-12 | 南京辉锐光电科技有限公司 | Laser cladding nozzle and laser cladding device |
| CN110004440A (en) * | 2019-03-29 | 2019-07-12 | 西安必盛激光科技有限公司 | A kind of powder feeder of the adjustable powder feeding state of laser melting coating |
| CN112064016A (en) * | 2020-09-22 | 2020-12-11 | 安徽中科春谷激光产业技术研究院有限公司 | Laser cladding gas protection device |
| CN112064016B (en) * | 2020-09-22 | 2022-11-15 | 安徽中科春谷激光产业技术研究院有限公司 | Laser cladding gas protection device |
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| Publication number | Publication date |
|---|---|
| CN108070855B (en) | 2019-12-03 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180525 Assignee: SHENYANG DALU LASER FLEXIBLE MANUFACTURE TECHNOLOGY Co.,Ltd. Assignor: Shenyang Dalu Laser Complete Equipment Co.,Ltd. Contract record no.: X2023210000143 Denomination of invention: A coaxial atmosphere protection powder feeding nozzle suitable for linear spot laser cladding Granted publication date: 20191203 License type: Common License Record date: 20230927 |