CN108070855B - 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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- CN108070855B CN108070855B CN201711348365.3A CN201711348365A CN108070855B CN 108070855 B CN108070855 B CN 108070855B CN 201711348365 A CN201711348365 A CN 201711348365A CN 108070855 B CN108070855 B CN 108070855B
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- powder
- main structure
- hole
- beam spot
- linear beam
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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
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.It is reliable, stable, efficient that the present invention provides one kind, 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: is provided with metal powder channel at the top of the main structure body, in main structure, is tiltedly installed with to light to powder contact pin through-hole, the end in the metal powder channel is connected to powder contact pin through-hole with to light；Corresponding to connector is provided with to end of the light to powder contact pin through-hole on the main structure body, the powder-feeding mouth is matched 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 technique
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, is added in one kind that work piece surface forms molten bath reparation workpiece surface
Work mode.With the increasingly maturation of laser melting coating processing technology, point type cladding processing is no longer satisfied 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 for being suitable for linear beam spot laser melting coating on the market at present.
Summary of the invention
The present invention addresses the above problem, provides a kind of reliable, stable, efficient and molten suitable for linear beam spot laser
The coaxial atmosphere protection powder-feeding nozzle covered.
In order to realize that above-mentioned purpose of the invention, the present invention adopt the following technical scheme that, the present invention include main structure body and
Powder-feeding mouth, it is characterised in that: be provided with metal powder channel at the top of the main structure body, in main structure, be tiltedly installed with pair
Light is connected to powder contact pin through-hole, the end in the metal powder channel with to light to powder contact pin through-hole；Phase on the main structure body
Ying Yu is provided with connector to end of the light to powder contact pin through-hole, and the powder-feeding mouth is matched with connector.
As a preferred solution of the present invention, it is provided in the powder-feeding mouth corresponding to powder contact pin through-hole out with to light
Powder hole, the flour opening are set as oblong through-hole.
As another preferred embodiment of the 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 being connected to protection gas inlet channel.
Further, the venthole is set as the hole slot of two arcs, and the hole slot of two arcs is respectively arranged at flour opening
Two 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 invention, cooling water circulation channel 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 circulation of cooling water
Heat caused by light guarantees 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 protection is provided by coaxial shielding gas device, guarantees laser melting coating surface not
It is oxidizable, improve laser cladding layer quality.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of structure of the invention main body.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Fig. 4 is the B-B cross-sectional view of Fig. 2.
Fig. 5 is the C-C cross-sectional view of Fig. 2.
Fig. 6 is the D direction view 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 light to powder contact pin
Through-hole, 7 be main structure body, 8 be metal powder channel, 9 be protection gas inlet channel, 10 be cooling water circulation channel, 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: is provided with metal powder at the top of the main structure body 7
Last channel 8 in main structure, is tiltedly installed with to light to powder contact pin through-hole 6, the end in the metal powder channel 8 with to light
Powder contact pin through-hole 6 is connected to；It is corresponded on the main structure body 7 and connector 5 is provided with to end of the light to powder contact pin through-hole 6,
The powder-feeding mouth 4 is matched with connector 5.
As a preferred solution 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 set as oblong through-hole.
As another preferred embodiment of the 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 being connected to protection gas inlet channel 9.
Further, the venthole 2 is set as the hole slot 12 of two arcs, and the hole slot 12 of two arcs is respectively arranged at out
The two 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 invention, cooling water circulation channel 10 is provided in the main structure body 7.
The metal powder channel 8 it is vertical be set to 7 top center of main structure body, the cooling water circulation channel 10 is set
It is placed between connector 5 and powder-feeding mouth 4 described in the side in metal powder channel 8 and is connected through a screw thread；The protection gas air inlet is logical
Road 9 is set as 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 set on the connector 5.
The present invention is in use, first check that whether secured whether each section part is complete, connect.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 coincident with laser designation light, contact pin 1 is extracted out, connect powder feeding pipe, open recirculated 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 being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments, those skilled in the art should understand that, still the present invention can be carried out
Modification or equivalent replacement, to reach identical technical effect；As long as meet use 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: be provided with metal powder channel (8) at the top of the main structure body (7), in main structure, be obliquely installed
Have to light to powder contact pin through-hole (6), the end of the metal powder channel (8) is connected to powder contact pin through-hole (6) with to light；It is described
Connector (5), the powder-feeding mouth (4) and company are provided with corresponding to end of the light to powder contact pin through-hole (6) on main structure body (7)
Connector (5) matches.
2. a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating according to claim 1,
Be characterized in that: be provided in the powder-feeding mouth (4) with to light to powder contact pin through-hole (6) corresponding flour opening (3), the flour opening
(3) it is set as oblong 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: being provided with protection gas inlet channel (9), flour opening (3) side of the powder-feeding mouth (4) in the main structure body (7)
Side is provided with the venthole (2) being connected to protection gas inlet channel (9).
4. a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating according to claim 3,
Be characterized in that: the venthole (2) is set as the hole slot (12) of two arcs, and the hole slot (12) of two arcs is respectively arranged at out powder
The two sides in 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).
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: being provided with cooling water circulation channel (10) in the main structure body (7).
6. a kind of coaxial atmosphere protection powder-feeding nozzle suitable for linear beam spot laser melting coating according to claim 5,
Be characterized in that: the metal powder channel (8) it is vertical be set to main structure body (7) top center, the cooling water circulation is logical
Road (10) is set between connector described in the side of metal powder channel (8) (5) and powder-feeding mouth (4) and is connected through a screw thread；Institute
It states protection gas inlet channel (9) and is set as two, the entrance of two inlet channels is respectively arranged at the two sides table of main structure body (7)
Face, the outlet of two inlet channels are set on the connector (5).
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 CN108070855A (en) | 2018-05-25 |
| CN108070855B true CN108070855B (en) | 2019-12-03 |
Family
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 |
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| CN (1) | CN108070855B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003278047A1 (en) * | 2002-10-31 | 2004-05-25 | Stephen F. Corbin | System and method for closed-loop control of laser cladding by powder injection |
| CN1271236C (en) * | 2004-04-28 | 2006-08-23 | 华中科技大学 | Built-in type jet nozzle for laser melting and coating |
| CN100436031C (en) * | 2005-12-27 | 2008-11-26 | 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 |
| CN103132072B (en) * | 2013-03-20 | 2014-11-12 | 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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- 2017-12-15 CN CN201711348365.3A patent/CN108070855B/en active Active
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| CN108070855A (en) | 2018-05-25 |
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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 |