CN201128758Y - Feeding axis-adjustable power-feeding head for laser cladding - Google Patents
Feeding axis-adjustable power-feeding head for laser cladding Download PDFInfo
- Publication number
- CN201128758Y CN201128758Y CN 200720103041 CN200720103041U CN201128758Y CN 201128758 Y CN201128758 Y CN 201128758Y CN 200720103041 CN200720103041 CN 200720103041 CN 200720103041 U CN200720103041 U CN 200720103041U CN 201128758 Y CN201128758 Y CN 201128758Y
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Abstract
The utility model discloses a powder feeder with adjustable powder feeder axis for laser cladding. The upper cylindrical body (8) is connected with the threads for the adjusting device; the upper cylindrical body (8), the lower cylindrical body (9) and the inner conical cylinder (22) are screwed up to constitute a optical channel (23); the lug bosses of the inner conical cylinder (22) are all provided with four tilted powder inlet (10); the outer conical cylinder (20) and the sleeve (13) are welded together to form a cooling water cavity (18); the sleeve (13) is provided with a cooling water inlet (19) and cooling water outlet (12); the outer conical cylinder nozzle (17) and the protective gas guide head (15) are connected through threads to the outer conical cylinder (20) to constitute a protective gas passage (16); the lower part of the disk of the outer conical cylinder (20) is provided with an annular groove; the lateral surface of the annular groove is provided with a protective gas inlet (14). The utility model is applicable to the fields such as metallic and non-metallic laser cladding, repair of damaged parts, surface alloying and rapid laser prototyping of components, etc.
Description
Technical field
A kind of laser melting coating of the utility model belongs to the corollary apparatus of laser process equipment with the adjustable powder-feeding head of powder feeding axis, and the powder that can be used for metal and nonmetal laser melting coating, surface alloying, damaged part reparation and part laser fast shaping is carried.
Background technology
Along with the development of laser processing technology, technology such as laser surface modification (laser transformation hardening, laser melting coating, laser alloying, laser surface texturing), laser fast shaping, laser repairing, laser welding are extensively approved gradually and are used.These laser processings all generally adopt the powder feeding of gas automatic powder feeding system, and powder-feeding head commonly used at present has following deficiency: the alignment of laser beam axis and powder bundle axis can't be finely tuned, make powder can accurately not send into laser molten pool, thereby reduced the utilization ratio of powder, and technological process has been had a negative impact; Existing coaxial powder feeding head adopts horizontal direction that powder is sent into powder-feeding head more, produces accumulated powder easily in the ingress, causes powder feeding inhomogeneous; Each connecting portion of existing coaxial powder feeding head owing on the coaxial powder feeding head many pipelines such as powder, gas, water are arranged, must earlier pull out all pipelines during the rotation loading and unloading by being threaded, and uses inconvenient.
Summary of the invention
In order to overcome the prior art above shortcomings, the utility model provides a kind of laser melting coating adjustable powder-feeding head of powder feeding axis, and this utility model is applicable to that laser melting coating, damaged part reparation, surface alloying and metal parts laser fast shaping etc. need the laser processing of transferring metal powder.
The technical scheme that its technical problem that solves the utility model adopts is: described laser melting coating is with the adjustable powder-feeding head of powder feeding axis, is made up of protection tube, setting device and the upper shell, lower shell, inner conical-tube, external conical-tube, sleeve, external conical-tube shower nozzle and the shielding gas guide head that contain axis light paths, powder channel, shielding gas passage and water coolant cavity.Described upper shell and setting device are with being threaded; Upper shell, lower shell and inner conical-tube are threaded and have constituted the axis light paths; Inner conical-tube and external conical-tube connect and compose powder channel with screw; External conical-tube and sleeve welding constitute the water coolant cavity; External conical-tube shower nozzle and shielding gas guide head are all used to be threaded in and are constituted the shielding gas passage on the external conical-tube; Evenly have the powder inlet of four angling holes on the inner conical-tube boss as the mill diagram passage; Have two holes on the sleeve as cooling water intake and water outlet; External conical-tube disk bottom has ring groove, and the side surface of ring groove has the gas atmosphere inlet.
Said setting device is made up of upper shell joint flange, adjustment cap; The upper shell joint flange is connected to form in the cavity at protection tube joint flange and adjustment cap thread; On the protection tube joint flange equally distributed four screws are arranged; Adjust above the cap and on the side equally distributed four vertical adjusting screws and horizontal adjustment screw are respectively arranged.
Said external conical-tube is reverse frustoconic on the outside, is disc down; The tapering on external conical-tube internal surface top is α=50 °～90 °, and the cone angle of bottom is β=25 °～50 °; The external conical-tube lower disk has ring groove, and ring groove is threaded with external conical-tube shower nozzle and shielding gas guide head; The cavity that external conical-tube and sleeve welding form is used for logical water coolant, and cavity can cool off outer cone shower nozzle and shielding gas guide head simultaneously near the stronger bottom of laser reflection.
Said inner conical-tube top is flange shape for the cylinder of band boss, and the bottom is the awl tube; The inner conical-tube upper boss has four equally distributed powder inlets; Its lower end helps powder and concentrate to laser molten pool, and the laser that can avoid being reflected is burnt on external conical-tube shower nozzle and shielding gas guide head.
Said upper shell is replaceable, only need change the upper shell of respective length for the condensing lens of different focal.
Said external conical-tube shower nozzle and shielding gas guide head and external conical-tube are detachable, can change after scaling loss, avoid boring the integral replacing of tube
The beneficial effects of the utility model are: the setting device of adjusting powder bundle axial location of the present utility model, powder bundle axis is overlapped with laser beam axis, make powder send into laser molten pool accurately, improved the effective rate of utilization of powder, guaranteed the stability of technological process; The upper shell of coaxial powder feeding head can be changed, and only need change corresponding upper shell for the condensing lens of different focal.The external conical-tube shower nozzle and the shielding gas guide head of coaxial powder feeding head also can be changed after scaling loss, avoid boring the integral replacing of tube; The water coolant cavity can cool off outer cone shower nozzle and shielding gas guide head simultaneously near the stronger bottom of laser reflection, guarantees effective cooling of coaxial powder feeding head key part, makes its steady operation for a long time.
Description of drawings
Fig. 1 is the section of structure of laser melting coating with the adjustable powder-feeding head of powder feeding axis.
In Fig. 1,1. protect tube, 2. the protection cylinder joint flange is 3. adjusted cap; 4. horizontal adjustment screw, 5. vertical adjusting screw, 6. upper shell joint flange, 7. screw; 8. upper shell, 9. lower shell, 10. angling hole, 11. screws; 12. water outlet, 13. sleeves, 14. gas atmosphere inlets, 15. shielding gas guide heads; 16. the shielding gas passage, 17. external conical-tube shower nozzles, 18. water coolant cavitys, 19. water-ins; 20. external conical-tube, 21. powder channels, 22. inner conical-tubes, 23. path channels.
Embodiment
Fig. 1 is an embodiment disclosed by the invention.Laser melting coating is made up of protection tube, setting device, coaxial powder feeding head three parts with the adjustable powder-feeding head of powder feeding axis.
Setting device by protection cylinder joint flange 2, four compress the upper shell joint flange screw 7, adjust cap 3, four vertical adjusting screws 5, four horizontal adjustment screws 4, upper shell joint flanges 6 are formed.Protection cylinder 1 and protection cylinder joint flange 2 be by being threaded, and adjusts cap 3 and protection cylinder joint flange 2 by being threaded, and upper shell joint flange 6 and upper shell 8 are by being threaded.In use, regulate four horizontal adjustment screws 4, can make upper shell joint flange 8 move in the horizontal direction the position; Regulate four vertical adjusting screws 5, can make upper shell joint flange 6 change angle with upper shell 8; Final realization powder bundle axis is coaxial with laser beam axis.
Coaxial powder feeding head is made up of upper shell 8, lower shell 9, sleeve 13, shielding gas guide head 15, external conical-tube shower nozzle 17, external conical-tube 20, inner conical-tube 22.Upper shell 8, lower shell 9 and inner conical-tube 22 have constituted path channels 23 jointly.Inner conical-tube 22 and external conical-tube 20 constitute powder channel 21.External conical-tube 20 and sleeve 13 constitute water coolant cavity 18.External conical-tube shower nozzle 17 and shielding gas guide head 15 constitute shielding gas passage 16.Evenly have the powder inlet of four angling holes 10 on inner conical-tube 22 boss as mill diagram passage 21; Have cooling water intake 19 and water outlet 12 on the sleeve 15; Have the cavity of ring groove on the external conical-tube 20, and have the gas atmosphere inlet 14 that communicates with ring groove as shielding gas.Upper shell 8 and top cylinder joint flange 6 are by being threaded; lower shell 9 and upper shell 8 are by being threaded; inner conical-tube 22 and lower shell 9 are by being threaded; external conical-tube 20 is connected by screw 11 with inner conical-tube 22; sleeve 13 forms cooling water cavities with external conical-tube 20 welding, external conical-tube shower nozzle 17 and protection gas guide head 15 all with external conical-tube 20 by being threaded.Path channels 23, powder channel 21, shielding gas passage 16 are on an axis.
Regulate the setting device of powder bundle axial location, can make the upper shell joint flange move in the horizontal direction the position by regulating four horizontal adjustment screws 4; Can make the upper shell joint flange change angle by regulating four vertical adjusting screws 5 with upper shell; Final realization powder bundle axis is coaxial with laser beam axis, makes powder send into laser molten pool accurately.
Coaxial powder feeding head adopt four the tunnel with the powdering inlet of powder feeding channel parallel, avoid the ingress accumulated powder.External conical-tube 20 inwalls have angle to change, and top is bigger than lower passage cross section near powder inlet place channel cross-section, sufficient disperse space are arranged after making powder enter the powder feeding passage, have guaranteed the continuity and the homogeneity of powder feeding.
The upper shell 8 of coaxial powder feeding head can be changed, and only need change corresponding upper shell 8 for the condensing lens of different focal.
The external conical-tube shower nozzle 17 and the shielding gas guide head 15 of coaxial powder feeding head can be changed after scaling loss, avoid boring the integral replacing of tube.
The external conical-tube 20 upper inside wall taperings of coaxial powder feeding head are that 66 ° of bottom taperings are 35 °, and are bigger than lower passage cross section near powder inlet place channel cross-section, sufficient disperse space arranged after making powder enter the powder feeding passage.
Claims (5)
1. a laser melting coating is made up of protection tube (1), setting device and coaxial powder feeding head with the adjustable powder-feeding head of powder feeding axis, it is characterized in that: upper shell (8) and setting device are with being threaded; Upper shell (8), lower shell (9) and inner conical-tube (22) are threaded and constitute axis light paths (23); Inner conical-tube (22) and external conical-tube (20) connect and compose powder channel (21) with screw (11), evenly have the powder inlet (10) of four inclinations on inner conical-tube (22) boss; External conical-tube (20) and sleeve (13) welding constitute water coolant cavity (18), and (13) have cooling water intake (19) and water outlet (12) on the sleeve; External conical-tube shower nozzle (17) and shielding gas guide head (15) are all used and are threaded in upward formation shielding gas passage (16) of external conical-tube (20), and external conical-tube (20) disk bottom has ring groove, and the side surface of ring groove has gas atmosphere inlet (14).
2. the laser melting coating according to claim 1 adjustable powder-feeding head of powder feeding axis; it is characterized in that: the upper shell joint flange (6) of setting device places protection tube joint flange (2) to be threaded with adjustment cap (3) and forms cavity; on the protection tube joint flange (2) equally distributed four screws (7) are housed, adjust on cap (3) upper surface and the side equally distributed four vertical adjusting screws (5) and horizontal adjustment screw (4) respectively are housed.
3. the laser melting coating according to claim 1 adjustable powder-feeding head of powder feeding axis, it is characterized in that: external conical-tube (20) is inversed taper platform shape on the outside, the bottom is a disk, and the tapering on external conical-tube (20) internal surface top is α=50 °～90 °, and the cone angle of bottom is β=25 °～50 °; The ring groove of external conical-tube (20) disk bottom is threaded with external conical-tube shower nozzle (17) and shielding gas guide head (15).
4. the laser melting coating according to claim 1 adjustable powder-feeding head of powder feeding axis, it is characterized in that: the position of inner conical-tube (22) lower end is on external conical-tube shower nozzle (17) and shielding gas guide head (15).
5. the laser melting coating according to claim 1 adjustable powder-feeding head of powder feeding axis, it is characterized in that: upper shell (8) is replaceable, and external conical-tube shower nozzle (17) and shielding gas guide head (15) are detachable with external conical-tube (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720103041 CN201128758Y (en) | 2007-11-09 | 2007-11-09 | Feeding axis-adjustable power-feeding head for laser cladding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720103041 CN201128758Y (en) | 2007-11-09 | 2007-11-09 | Feeding axis-adjustable power-feeding head for laser cladding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201128758Y true CN201128758Y (en) | 2008-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720103041 Expired - Fee Related CN201128758Y (en) | 2007-11-09 | 2007-11-09 | Feeding axis-adjustable power-feeding head for laser cladding |
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| Country | Link |
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| CN (1) | CN201128758Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820614A (en) * | 2012-08-21 | 2012-12-12 | 山东能源机械集团大族再制造有限公司 | Semiconductor laser device |
| CN102828178A (en) * | 2012-08-16 | 2012-12-19 | 张家港市和昊激光科技有限公司 | Coaxial nozzle for laser cladding |
| CN102864451A (en) * | 2012-08-28 | 2013-01-09 | 张家港市和昊激光科技有限公司 | Method and sprayer for improving laser cladding effect |
| CN104162988A (en) * | 2014-07-24 | 2014-11-26 | 合肥斯科尔智能科技有限公司 | Mother-son injection three-dimensional printer |
| CN104178763A (en) * | 2013-05-24 | 2014-12-03 | 中国科学院力学研究所 | Laser coaxial cladding powder feeding head |
| CN106835118A (en) * | 2016-12-06 | 2017-06-13 | 武汉武钢华工激光大型装备有限公司 | Deep hole laser melting coating head |
| CN108698060A (en) * | 2015-12-31 | 2018-10-23 | 南特中央理工大学 | The device of increasing material manufacturing is carried out by the injection and melting of powder |
| CN111088489A (en) * | 2020-01-09 | 2020-05-01 | 华侨大学 | Protection device for laser cladding |
| CN113423523A (en) * | 2018-12-14 | 2021-09-21 | 罗伯特·博世有限公司 | Print head for 3D printing of metal, device for additive manufacturing of three-dimensional workpieces comprising a print head and method for operating a device |
-
2007
- 2007-11-09 CN CN 200720103041 patent/CN201128758Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828178A (en) * | 2012-08-16 | 2012-12-19 | 张家港市和昊激光科技有限公司 | Coaxial nozzle for laser cladding |
| CN102828178B (en) * | 2012-08-16 | 2014-05-28 | 张家港市和昊激光科技有限公司 | Coaxial nozzle for laser cladding |
| CN102820614B (en) * | 2012-08-21 | 2015-08-05 | 山东能源重装集团大族再制造有限公司 | A kind of semiconductor laser |
| CN102820614A (en) * | 2012-08-21 | 2012-12-12 | 山东能源机械集团大族再制造有限公司 | Semiconductor laser device |
| CN102864451A (en) * | 2012-08-28 | 2013-01-09 | 张家港市和昊激光科技有限公司 | Method and sprayer for improving laser cladding effect |
| CN102864451B (en) * | 2012-08-28 | 2014-05-28 | 张家港市和昊激光科技有限公司 | Method and sprayer for improving laser cladding effect |
| CN104178763B (en) * | 2013-05-24 | 2016-08-31 | 中国科学院力学研究所 | A kind of laser coaxial cladding feeding head |
| CN104178763A (en) * | 2013-05-24 | 2014-12-03 | 中国科学院力学研究所 | Laser coaxial cladding powder feeding head |
| CN104162988A (en) * | 2014-07-24 | 2014-11-26 | 合肥斯科尔智能科技有限公司 | Mother-son injection three-dimensional printer |
| CN104162988B (en) * | 2014-07-24 | 2017-04-19 | 合肥斯科尔智能科技有限公司 | Mother-son injection three-dimensional printer |
| CN108698060A (en) * | 2015-12-31 | 2018-10-23 | 南特中央理工大学 | The device of increasing material manufacturing is carried out by the injection and melting of powder |
| CN108698060B (en) * | 2015-12-31 | 2021-03-16 | 南特中央理工大学 | Device for additive manufacturing by spraying and melting of powder |
| CN106835118A (en) * | 2016-12-06 | 2017-06-13 | 武汉武钢华工激光大型装备有限公司 | Deep hole laser melting coating head |
| CN106835118B (en) * | 2016-12-06 | 2019-05-31 | 武汉武钢华工激光大型装备有限公司 | Deep hole laser melting coating head |
| CN113423523A (en) * | 2018-12-14 | 2021-09-21 | 罗伯特·博世有限公司 | Print head for 3D printing of metal, device for additive manufacturing of three-dimensional workpieces comprising a print head and method for operating a device |
| CN113423523B (en) * | 2018-12-14 | 2023-11-10 | 罗伯特·博世有限公司 | Print head for 3D printing of metals, device for additive manufacturing of three-dimensional workpieces comprising a print head, and method for operating a device |
| CN111088489A (en) * | 2020-01-09 | 2020-05-01 | 华侨大学 | Protection device for laser cladding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20081008 Termination date: 20091209 |