CN201190183Y - Coaxial powder-feeding system for laser fusion and coating - Google Patents
Coaxial powder-feeding system for laser fusion and coating Download PDFInfo
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- CN201190183Y CN201190183Y CN 200820080777 CN200820080777U CN201190183Y CN 201190183 Y CN201190183 Y CN 201190183Y CN 200820080777 CN200820080777 CN 200820080777 CN 200820080777 U CN200820080777 U CN 200820080777U CN 201190183 Y CN201190183 Y CN 201190183Y
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Abstract
The utility model relates to a laser cladding coaxial accurate powder feeding system, which belongs to the technical field of the laser processing. The laser cladding coaxial accurate powder feeding system comprises a pneumatic four-way powder distributing device and a coaxial powder feeding working head, wherein, the powder inlet of the distributor in the pneumatic four-way powder distributing device is connected with the powder feeding outlet of the powder feeding device, and the four powder pipelines of the powder distributing device are connected with the four powder inlets of the coaxial powder feeding working head in a butting way. The pneumatic four-way powder distributing device realizes that one powder stream is uniformly divided into four powder streams, a direct current motor and blades are arranged in the pneumatic four-way powder distributing device, the blades are used to uniformly disperse the powder stream, and the powder is collected in the four powder collecting grooves and fed to the coaxial powder feeding working head. The powder streams are reshaped in the working head and collected in the lower part of the working head, the incident laser beam exerts the effect on the collected powder streams, the powder streams are mutually interacted, and the laser cladding process is realized. The utility model has the advantages that the high quality laser cladding process can be realized, the structure of the system is simple, and the mechanical processing is facilitated, thereby being suitable for the pneumatic powder feeding.
Description
Technical field
The utility model relates to the accurate powder feed system of a kind of laser cladding coaxial, belongs to technical field of laser processing.
Background technology
Laser melting and coating technique can realize that reinforcement, reparation and the laser of workpiece makes fast, has broad application prospects.Powder feed system is a hardware condition of realizing laser melting coating, and laser coating and powder feeding mode commonly used mainly contains from powder feeding of axle side direction and coaxial powder-feeding.At present, though simple in structure from axle side direction powder feeding working head, the adjustment process of powder feeding position is complicated, and the powder stream and the laser beam goodness of fit are not high, are not easy to carry out the laser melting coating of precision workpiece; Coaxial powder-feeding can realize that laser beam and powder stream coincide in very wide scope, simple to operate, but the requirement of structure design and water-cooled is exceeded much from the powder feeding of axle side direction.Present used laser cladding working head occurs burning out nozzle and the low problem of powder using efficiency because structure design is unreasonable through regular meeting.Utilizing the coaxial powder-feeding working head to carry out laser melting coating and laser forming technology, is the trend of Materialbearbeitung mit Laserlicht development, can improve the level of Materialbearbeitung mit Laserlicht greatly.Therefore, be very urgent technical problem for the coaxial powder-feeding working head needing aspect the tolerance range of water-cooled and powder feeding, the homogeneity further to improve.
The utility model content
The utility model provides a kind of laser cladding coaxial accurate powder feed system.Native system has guaranteed the abundant effect of metal-powder and laser focusing in the laser processing procedure, has improved accuracy, the homogeneity of the quick manufacturing processed powder feed system of laser melting coating and laser.
To achieve these goals, the utility model has been taked following technical scheme.Include coaxial powder-feeding working head and pneumatic four tunnel powder distribution means.Pneumatic four tunnel powder distribution means include divider loam cake, blade, powder catcher and direct-current machine.Wherein: the divider loam cake is fixedlyed connected with powder catcher and the two surrounds a cavity, the divider powdering inlet is connected with this cavity, blade is arranged in this cavity, direct-current machine is connected with vanes fixed, and powder catcher is provided with four divider powder channels that are connected with above-mentioned cavity.Described coaxial powder-feeding working head includes cover, water-cooled overcoat, powder ring set and reflector in the water-cooled.Cover is fixedlyed connected with the water-cooled overcoat in the water-cooled, in water-cooled, be provided with between cover and the water-cooled overcoat to overlap in water entry and the water-cooled in the water-cooled and overlap water exit, the cover water entry is connected with first cooling water inlet in the water-cooled, the cover water exit is connected with first cooling water outlet in the water-cooled, and the annular water-cooling channel by cover bottom in the water-cooled between water-cooled interior cover water entry and the interior cover of the water-cooled water exit is connected.Water-cooled overcoat and powder ring set fixedly connected and the two between form four circumferential equally distributed working head powder channels in edge, the working head powder channel is connected with the working head powdering inlet, the working head powdering inlet is connected with divider powder channel in pneumatic four tunnel powder distribution means, the axis of working head powder channel and the axis coaxle of beam channel, and the two converges at powder convergent point place; The powder ring set fixedly connected with reflector and the two between form annular second cooling water channel, second cooling water inlet of second cooling water channel is connected with first cooling water outlet.
The upper surface that powder catcher is positioned at cavity is provided with four powder collection grooves, and four powder collection grooves are along circumferential uniform distribution, and the inlet of divider powder channel is positioned at the powder collection groove.
A plurality of powder is played collimation and converges the powder delivery skewed slot of effect along vertically being provided with in powder channel, the powder delivery skewed slot is along the circumferential uniform distribution of powder channel.
The utility model can be realized high-quality laser melting and coating process, and this system architecture is simple, is convenient to mechanical workout, and easy accessibility is suitable for the strength powder feeding.What particularly point out is, powder at first realizes dividing equally and obtaining Dual-Phrase Distribution of Gas olid by certain physical construction in divider, in working head, change the Dual-Phrase Distribution of Gas olid that rotatablely moves into translational motion then, further realize powder homogenizing, collimate and converge, the powder using efficiency in the time of improving laser melting coating.Simultaneously, by the abundant water-cooled of two path water cold energy realization working head various piece, prevent the scaling loss of working head, guarantee long works better, therefore, this system availability is stronger.
Description of drawings
Fig. 1 is pneumatic four tunnel powder distribution means diagrammatic cross-sections
Fig. 2 is that the A-A of powder catcher 5 is to cross sectional view
Fig. 3 is a coaxial powder-feeding working head cross section view
Fig. 4 is that the B-B of powder ring set 18 is to cross sectional view
Fig. 5 is that the C-C of cover 13 in the water-cooled is to cross sectional view
Fig. 6 is 13 times end views of cover in the water-cooled
Fig. 7 is that the D-D of coaxial powder-feeding working head is to cross sectional view
Among the figure: 1. divider powdering inlet, 2. divider loam cake, 3. blade, 4. holding bolt, 5. powder catcher, 6. motor base, 7. divider dust outlet, 8. direct-current machine, 9. supply lead, 10. powder collection groove, 11. divider powder channels, 12. attachment bolts, 13. cover in the water-cooled, 14. first sealing-rings, 15. water-cooled overcoats, 16. first cooling water inlet, 17. second sealing-rings, 18. powder ring sets, 19. the working head powdering inlet, 20. the 3rd sealing-rings, 21. second cooling water outlets, 22. reflector, 23. working head powder channels, 24. beam channels, 25. first cooling water outlet, 26. second cooling water inlets, 27. the 4th sealing-rings, 28. the 5th sealing-ring, 29. powder convergent points, cover water entry in 30. water-cooleds, 31. cover water exit in the water-cooled, 32. annular water-cooling channel, 33. powder delivery skewed slots, 34. second cooling water channels.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Present embodiment is divided into pneumatic four tunnel powder distribution means and coaxial powder-feeding working head two portions, and pneumatic four tunnel powder distribution means mainly are made of divider loam cake 2, powder catcher 5 and DC micromotor 8 etc.The coaxial powder-feeding working head mainly by overlap 13 in the water-cooled, water-cooled overcoat 15, powder ring set 18 and reflector 22 etc. constitute.Divider powdering inlet 1 in pneumatic four tunnel powder distribution means is connected with the powder feeding of powder feeder outlet, and four road powder pipelines of powder distribution means dock with four road powdering inlets of coaxial powder-feeding working head.The coaxial powder-feeding working head is installed in the below of laser work head, and light beam is along the axis of rotation incident of powder feeding working head.Metal-powder is realized uniformly distributing in pneumatic four tunnel powder distribution means, realizes shaping and converge below working head in cladding working head, and the incident laser beam acts on the powder stream that converges, and interacts, and realizes laser cladding process.The coaxial powder-feeding working head is cooled off fully, the energy of laser radiation on working head in time taken away.
The coaxial powder-feeding working head is installed on the laser work head, and adjusts the axis and the optical axis coincidence of working head, pneumatic four tunnel powder distribution means are installed in the laser work head and are higher than the position of powder feeding working head.The divider powdering inlet 1 of pneumatic four tunnel powder distribution means and the outlet of pneumatic powder feeder (industry is general) be with hose connection, four dust outlets 7 of powder distribution means and four powdering inlet 19 usefulness of powder feeding working head hose connection (notes: total interface all adopts rapid-acting coupling).
In Fig. 1, divider loam cake 2 adopts bolt to be connected with powder catcher 5, both axial alignment, DC micromotor 8 is fixed on the motor base 6, motor cabinet 6 adopts bolt to be connected with powder catcher 5, DC micromotor 8 connects 12 volts direct supply by supply lead 9, and direct-current machine adjusting velocity by voltage, motor speed are generally at 200～500r/min.The gas flow of regulating powder feeder is 400ml/min, in pipeline, form Dual-Phrase Distribution of Gas olid, driven by motor blade 3 is broken up the Dual-Phrase Distribution of Gas olid of powder and is realized that homogenizing distributes, powder collection groove 10 is collected powder, as shown in Figure 2, enter divider powder channel 11 then, enter four divider dust outlets 7 at last.Pneumatic four tunnel powder distribution means realize that one road powder stream is divided into four road powder streams equably, DC micromotor 8 and blade 3 are set in the device, rely on blade 3 with the powder stream homodisperse, powder collects and is transported to the coaxial powder-feeding working head in four powder collection grooves 10.
In Fig. 3, the coaxial powder-feeding working head is connected with laser work head rest holding bolt 12, and cover 13 is realized being connected with screw thread with water-cooled overcoat 15 in the water-cooled, and relies on first sealing-ring 14 and the 5th sealing-ring 28 to realize the sealing of cooling water channel.Water-cooled overcoat 15 and powder ring set 18 to be being threaded and relying on second sealing-ring 17 to realize the upper end sealing of powder cavitys, and powder ring set 18 and reflector 22 are to be threaded and to rely on the sealing of the 3rd sealing-ring 20, the 4th sealing-ring 27 realization cooling water channels.First cooling water inlet 16 connects recycle pump, and water enters cover water entry 30 in the water-cooled from first cooling water inlet 16, and the annular water-cooling channel 32 of flowing through arrives first cooling water outlet 25 through cover water exit 31 in the water-cooled, again as Fig. 5, shown in Figure 6.First cooling water outlet 25 and second cooling water inlet 26 are with hose connection, water comes out to enter into second cooling water inlet 26 from first coolant outlet 25, flow through water annulus between powder ring set 18 and the reflector 22 comes out from second cooling water outlet 21 at last, and constantly cooling is finished in circulation.
Powder stream enters from four working head powdering inlets 19, the cross section of working head powdering inlet 19 as shown in Figure 4, powder enters into working head powder channel 23 then, 13 times end views of cover as shown in Figure 6 in the water-cooled, the D-D of coaxial powder-feeding working head to cross sectional view as shown in Figure 7, rely on the shaping of powder delivery skewed slot 33 and converge, finish and converge laser and powder interaction realization laser cladding process at powder convergent point 29.In addition, laser energy be protected and be made full use of to the effect of reflector 22 can to other peripherals of laser melting coating, this device patent applied for (patent No.: z1200720104047.8)
Laser beam is along the axis incident of working head, be the axis of powder channel 23 and the axis coaxle of beam channel 24, four road powder from working head powdering inlet 19 grazing incidences to powder ring set 18, powder channel 23 is processed into a plurality of powder delivery skewed slots 33, powder is played collimation and converges effect, powder input angle α is between 45 °～75 °, and two-way water coolant polyphone fully cools off when realizing cover 13 in the water-cooled, water-cooled overcoat 15, powder ring set 18 and reflector 22.
Practical effect shows, the accurate powder feed system of laser cladding coaxial, can finish the technical requirements of laser melting coating, four powder feeding pipeline low precisions are no more than ± 2.5% and stability than higher, powder is uniform distribution in the hot spot scope, has improved the homogeneity of coating, this system can realize the abundant effect of laser and powder simultaneously, the utilization ratio of luminous energy has improved 22%, and laser processing efficient has improved about 15%, and powder using efficiency is by having brought up to 90% from 78% of axle side direction powder feeding.The water-cooled effect of cladding working head is fine, and temperature is no more than 30 ℃ during work.
Claims (3)
1, the accurate powder feed system of a kind of laser cladding coaxial includes the coaxial powder-feeding working head; It is characterized in that: also include pneumatic four tunnel powder distribution means, this device includes divider loam cake (2), blade (3), powder catcher (5) and direct-current machine (8); Wherein: divider loam cake (2) is fixedlyed connected with powder catcher (5) and the two surrounds a cavity, divider powdering inlet (1) is connected with this cavity, blade (3) is arranged in this cavity, direct-current machine (8) is fixedlyed connected with blade (3), and powder catcher (5) is provided with four divider powder channels (11) that are connected with above-mentioned cavity; Described coaxial powder-feeding working head includes cover (13), water-cooled overcoat (15), powder ring set (18) and reflector (22) in the water-cooled; Cover (13) is fixedlyed connected with water-cooled overcoat (15) in the water-cooled, in water-cooled, be provided with between cover (13) and the water-cooled overcoat (15) and overlap cover water exit (31) in water entry (30) and the water-cooled in the water-cooled, cover water entry (30) is connected with first cooling water inlet (16) in the water-cooled, cover water exit (31) is connected with first cooling water outlet (25) in the water-cooled, is connected by the annular water-cooling channel (32) that overlaps (13) bottom in the water-cooled between the cover water exit (31) in water-cooled interior cover water entry (30) and the water-cooled; Water-cooled overcoat (15) and powder ring set (18) fixedly connected and the two between form four circumferential equally distributed working head powder channels in edge (23), working head powder channel (23) is connected with working head powdering inlet (19), four working head powdering inlets (19) are connected with four divider powder channels (11) in pneumatic four tunnel powder distribution means respectively, the axis coaxle of the axis of working head powder channel (23) and beam channel (24), and the two locates to converge at powder convergent point (29); Powder ring set (18) fixedly connected with reflector (22) and the two between form annular second cooling water channel (34), second cooling water inlet (26) of second cooling water channel (34) is connected with first cooling water outlet (25).
2, the accurate powder feed system of a kind of laser cladding coaxial according to claim 1, it is characterized in that: the upper surface that powder catcher (5) is positioned at cavity is provided with four powder collection grooves (10), four powder collection grooves are along circumferential uniform distribution, and the inlet of divider powder channel (11) is positioned at powder collection groove (10).
3, the accurate powder feed system of a kind of laser cladding coaxial according to claim 1, it is characterized in that: a plurality of powder is played collimation and converges the powder delivery skewed slot (33) of effect along vertically being provided with in powder channel (23), powder delivery skewed slot (33) is along the circumferential uniform distribution of powder channel (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820080777 CN201190183Y (en) | 2008-05-23 | 2008-05-23 | Coaxial powder-feeding system for laser fusion and coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820080777 CN201190183Y (en) | 2008-05-23 | 2008-05-23 | Coaxial powder-feeding system for laser fusion and coating |
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| CN201190183Y true CN201190183Y (en) | 2009-02-04 |
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| CN 200820080777 Expired - Fee Related CN201190183Y (en) | 2008-05-23 | 2008-05-23 | Coaxial powder-feeding system for laser fusion and coating |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592928B (en) * | 2009-06-25 | 2011-07-27 | 浙江工业大学 | Conveying precision detection and control system for pneumatic conveying powder |
| CN102259187A (en) * | 2011-04-01 | 2011-11-30 | 周明 | Method and device for manufacturing and repairing composite roll with high performance through laser spray forming |
| CN104175007A (en) * | 2014-08-05 | 2014-12-03 | 山西玉华再制造科技有限公司 | Special water-cooling reflecting cover for laser processing |
| CN105803451A (en) * | 2016-03-18 | 2016-07-27 | 山东能源重装集团大族再制造有限公司 | Powder feeding device and using method thereof |
| CN107199340A (en) * | 2017-08-02 | 2017-09-26 | 鑫精合激光科技发展（北京）有限公司 | A kind of shaping of metal powders device head |
| CN107267982A (en) * | 2017-08-11 | 2017-10-20 | 福建工程学院 | A kind of laser melting-painting nozzle device and its forming hole method |
| CN107309427A (en) * | 2017-08-02 | 2017-11-03 | 鑫精合激光科技发展（北京）有限公司 | A kind of shaping of metal powders device head |
| CN108165987A (en) * | 2018-01-08 | 2018-06-15 | 沈阳工业大学 | A kind of prosthetic device and restorative procedure of machine tool chief axis endoporus |
| CN109234730A (en) * | 2018-11-20 | 2019-01-18 | 哈尔滨工业大学 | A kind of Precision Coaxial Process of Powder Feeding Laser Cladding nozzle |
| CN110055528A (en) * | 2019-05-23 | 2019-07-26 | 西安交通大学 | A kind of annular coaxial dust feeder for ultrahigh speed laser melting coating |
| CN110438492A (en) * | 2019-09-01 | 2019-11-12 | 陕西天元智能再制造股份有限公司 | A kind of recyclable laser cladding apparatus recycled of reflected light |
| CN111266702A (en) * | 2019-03-19 | 2020-06-12 | 沈阳工业大学 | Coaxial TIG electric arc additive manufacturing device with wire feeding inside arc and powder feeding outside arc |
| CN111283302A (en) * | 2019-03-19 | 2020-06-16 | 沈阳工业大学 | Electric arc additive manufacturing device and process for coaxial wire feeding and powder feeding consumable electrode |
| CN112030155A (en) * | 2020-07-30 | 2020-12-04 | 陕西天元智能再制造股份有限公司 | Coaxial annular multi-beam powder feeding nozzle |
| CN113510249A (en) * | 2021-07-02 | 2021-10-19 | 西安交通大学 | Multi-runner high-speed rotary sealing device capable of conveying hard powder |
| CN115808376A (en) * | 2022-12-12 | 2023-03-17 | 滨州学院 | Method for measuring aggregation property of laser cladding powder flow |
-
2008
- 2008-05-23 CN CN 200820080777 patent/CN201190183Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592928B (en) * | 2009-06-25 | 2011-07-27 | 浙江工业大学 | Conveying precision detection and control system for pneumatic conveying powder |
| CN102259187A (en) * | 2011-04-01 | 2011-11-30 | 周明 | Method and device for manufacturing and repairing composite roll with high performance through laser spray forming |
| CN104175007A (en) * | 2014-08-05 | 2014-12-03 | 山西玉华再制造科技有限公司 | Special water-cooling reflecting cover for laser processing |
| CN104175007B (en) * | 2014-08-05 | 2016-05-25 | 山西玉华再制造科技有限公司 | Laser Processing Special water cooling reflection shield |
| CN105803451A (en) * | 2016-03-18 | 2016-07-27 | 山东能源重装集团大族再制造有限公司 | Powder feeding device and using method thereof |
| CN107199340A (en) * | 2017-08-02 | 2017-09-26 | 鑫精合激光科技发展（北京）有限公司 | A kind of shaping of metal powders device head |
| CN107309427A (en) * | 2017-08-02 | 2017-11-03 | 鑫精合激光科技发展（北京）有限公司 | A kind of shaping of metal powders device head |
| CN107267982B (en) * | 2017-08-11 | 2020-07-03 | 福建工程学院 | Laser cladding nozzle device and hole forming method thereof |
| CN107267982A (en) * | 2017-08-11 | 2017-10-20 | 福建工程学院 | A kind of laser melting-painting nozzle device and its forming hole method |
| CN108165987A (en) * | 2018-01-08 | 2018-06-15 | 沈阳工业大学 | A kind of prosthetic device and restorative procedure of machine tool chief axis endoporus |
| CN109234730B (en) * | 2018-11-20 | 2020-07-07 | 哈尔滨工业大学 | Precise coaxial powder feeding type laser cladding nozzle |
| CN109234730A (en) * | 2018-11-20 | 2019-01-18 | 哈尔滨工业大学 | A kind of Precision Coaxial Process of Powder Feeding Laser Cladding nozzle |
| CN111266702A (en) * | 2019-03-19 | 2020-06-12 | 沈阳工业大学 | Coaxial TIG electric arc additive manufacturing device with wire feeding inside arc and powder feeding outside arc |
| CN111283302A (en) * | 2019-03-19 | 2020-06-16 | 沈阳工业大学 | Electric arc additive manufacturing device and process for coaxial wire feeding and powder feeding consumable electrode |
| CN110055528A (en) * | 2019-05-23 | 2019-07-26 | 西安交通大学 | A kind of annular coaxial dust feeder for ultrahigh speed laser melting coating |
| CN110438492A (en) * | 2019-09-01 | 2019-11-12 | 陕西天元智能再制造股份有限公司 | A kind of recyclable laser cladding apparatus recycled of reflected light |
| CN112030155A (en) * | 2020-07-30 | 2020-12-04 | 陕西天元智能再制造股份有限公司 | Coaxial annular multi-beam powder feeding nozzle |
| CN113510249A (en) * | 2021-07-02 | 2021-10-19 | 西安交通大学 | Multi-runner high-speed rotary sealing device capable of conveying hard powder |
| CN115808376A (en) * | 2022-12-12 | 2023-03-17 | 滨州学院 | Method for measuring aggregation property of laser cladding powder flow |
| CN115808376B (en) * | 2022-12-12 | 2024-05-07 | 滨州学院 | Laser cladding powder flow aggregation measuring method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20130523 |