CN102554471A - Angle-adjustable four-pipe powder feeding nozzle for laser direct forming - Google Patents
Angle-adjustable four-pipe powder feeding nozzle for laser direct forming Download PDFInfo
- Publication number
- CN102554471A CN102554471A CN2011104153924A CN201110415392A CN102554471A CN 102554471 A CN102554471 A CN 102554471A CN 2011104153924 A CN2011104153924 A CN 2011104153924A CN 201110415392 A CN201110415392 A CN 201110415392A CN 102554471 A CN102554471 A CN 102554471A
- Authority
- CN
- China
- Prior art keywords
- powder
- discharge tube
- laser
- rail bracket
- sleeve
- 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.)
- Granted
Links
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The invention discloses an angle-adjustable four-pipe powder feeding nozzle for laser direct forming, which comprises an upper portion, a middle portion and a lower portion, wherein the upper portion comprises an upper connecting sleeve and a protective glass decontamination nozzle, the middle portion comprises a sliding sleeve, a powder defocus adjusting nut, a locking sleeve and a central adjusting device, and the lower portion comprises a conical laser sleeve, a powder spraying pipe and a powder spraying pipe rail frame. The angle-adjustable four-pipe powder feeding nozzle is characterized in that the powder spraying pipe is capable of sliding on the powder spraying pipe rail frame so that the injection angle of powder can be continuously adjusted, positive and negative defocus values of powder collection points can be continuously adjusted by means of vertical movement of the sliding sleeve, and coaxiality of laser and powder can be adjusted by a coaxiality adjusting device. The nozzle not only can be used as a coaxial powder feeding nozzle, but also can be used as a paraxial powder feeding nozzle, the inner surface of a powder spraying pipe hole is extremely smooth and as smooth as a mirror surface, and collectability of the powder is improved.
Description
Technical field
The invention belongs to the Laser Processing application, can be used for the reparation of metal and nonmetal laser melting coating, surface alloying, damaged part etc., be specifically related to a kind of device of metal laser direct-forming.
Background technology
(Laser Metal Direct Forming, LMDF) technology is based on rapid prototyping technology and laser melting and coating technique and the advanced manufacturing technology of a kind of flexibility of growing up to metal laser direct-forming.The advantage of this technology is integrated laser melting and coating technique and rapid prototyping technology can directly produce the complete fine and close 3D solid metal parts with complex appearance and excellent mechanical performances, has that manufacturing speed is fast, with short production cycle, low cost and other advantages.Be particularly useful for special material or special shape metal parts that conventional method is difficult to make, have a wide range of applications in fields such as Aero-Space, automobile boats and ships, weaponry, biomedicines.
Influence the factors complex of metal laser direct-forming process, like oxygen content of laser power, sweep speed, powder feeding rate, surrounding environment etc.The control of all above-mentioned factors all is in order to guarantee the stability in powder field and molten bath in the existing technology, and then assurance the stable of forming process carries out.This shows that the stability that improves powder field and molten bath is a key issue.Powder field and molten bath stable bad can directly cause the drip molding surface quality to worsen, under the serious situation, even defective such as the trickling that occurs subsiding, forming process can't be proceeded.Disperse more seriously after used powder jet, powder come out from nozzle, converging property is poor, and powder using efficiency is low, is difficult to satisfy the requirement of LMDF; Because different types of powder, its composition, density and granular size thereof are different, and every kind of powder all has its best convergence angle, and this needs us to adjust the angle of discharge tube so that the property compiled of powder is best with stability; When the part of shaping differing tilt angles; Its weld pool stability can receive the influence of the incident angle of powder; Optimized incidence of general existence; So when the part of shaping differing tilt angles, also can require us to adjust the incident angle of powder, this just presses for, and a kind of converging property of powder is good, the nozzle of adjustable angle formula.
At present, the technological coaxial powder-feeding nozzle that is adopted of metal laser direct-forming mainly contains two kinds of forms: four tubular type coaxial powder-feeding nozzles and conical ring formula coaxial powder-feeding nozzle.U.S. Sandia National Laboratory and Optomec Design company are used for the clean forming technique of laser engineeringization, and (Laser Engineered NetShaping LENS) has adopted four tubular type coaxial powder-feeding nozzles, and has obtained good effect.United States Patent (USP) (U.S.Pat.7358457) provides a kind of four pipe metal laser direct-forming nozzles; Its gas shield atmosphere structural design is exquisite; But its dust outlet need be processed inclination and four apertures that converge at any; The processing mortality is high, and it does not possess the regulating power of powder incident angle yet, and the scope of application has significant limitation.Tsing-Hua University adopts the split type coaxial powder-feeding nozzle for laser fusion and coating (CN 1255411A) of vertical loading and unloading; The Central China University of Science and Technology discloses a kind of built-in laser melting-painting nozzle (CN1570190A); South China Science & Engineering University has developed Ring Type Coaxial Laser Cladding Nozzle (CN 2707772Y) and Hole-type Coaxial Laser Cladding Nozzle (CN 2707773Y), and the structure of this type of powder-feeding nozzle is similar basically, and what it was mainly not enough is that structure is too complicated; The powder stream uniformity of jet expansion is relatively poor relatively; Be prone to disperse, powder using efficiency is lower, and nozzle self does not possess the ability of regulating the powder incident angle yet.
In actual production, the paraxonic powder feeding is owing to its powder using efficiency height, cladding smooth surface, steady quality, also use in some occasions (like laser repairing).If a kind of nozzle can be realized the dual-purpose of coaxial and paraxonic powder feeding, in the production of reality, will inevitably bring a lot of convenience.
Summary of the invention
In order to overcome the deficiency that existing metal laser direct-forming exists with nozzle; The invention provides a kind of four pipe powder-feeding nozzles that are used for the laser direct forming; It can realize the continuous adjustment of powder feeding angle; Be applicable to the part of different moulding materials and shaping differing tilt angles, and itself has both the advantage of coaxial powder-feeding and paraxonic powder feeding, promptly only when a discharge tube feeds powder, just can have both the function of paraxonic powder feeding; Thereby improved applicability, converging property of powder and the stability of nozzle, and powder using efficiency.
For reaching above purpose, the present invention takes following technical scheme to be achieved:
A kind of adjustable angle formula that is used for the laser direct forming four pipe powder-feeding nozzles comprise three parts in upper, middle and lower, it is characterized in that, top comprises the upper joint sleeve tube that links to each other with laser head, is installed in the protective glass decontamination nozzle in the upper joint sleeve tube; Middle part comprises sliding sleeve, through out of focus adjustment nut sliding sleeve is slided up and down in the upper joint sleeve tube; Through lock sleeve sliding sleeve is fixed; The sliding sleeve lower end is connected with centralizer; The lower part comprises taper laser cover and connected discharge tube rail bracket, and taper laser cover is fixing and centering through centralizer; Four discharge tubes are evenly distributed in around the discharge tube rail bracket; Be processed with track cambered surface B on the discharge tube rail bracket; Discharge tube rail bracket lateral surface is marked with the scale of indication angle, is processed with the cambered surface A that cooperates with discharge tube rail bracket track cambered surface B on the discharge tube, and this cambered surface A is through being slidingly matched with track cambered surface B; Make discharge tube on the discharge tube rail bracket, make circular motion, the incident angle of adjustment powder.
In the such scheme, said discharge tube is made circular motion on the discharge tube rail bracket, and the scope of adjustment powder incident angle is 30 ° to 60 ° from horizontal level; The axis adjusting range of powder is in the 7mm cylinder at a diameter.Through out of focus adjustment nut (4) sliding sleeve (3) is slided up and down in upper joint sleeve tube (1) and be ± 5mm.A said protective glass decontamination nozzle end inwardly is to have the very flat burner of small gaps, and is inclined upwardly, directly facing to the protection eyeglass in the laser head.Be provided with the hole that a circle is communicated with in the said upper joint sleeve, the inside feeds cold water, constitutes the water-cooled EGR of laser plus lens in the laser head.The bore dia scope of discharge tube is 0.8mm～3mm, and through polishing, the inner surface fineness in hole reaches minute surface.
The present invention compares with existing nozzle technology and mainly contains following advantage:
1, because there is different best convergence angle in the different powder material, when making some differing tilt angles parts, also need adjust the incident angle of powder for the stability of keeping the molten bath in addition, general nozzle is difficult to satisfy these demands; Nozzle of the present invention is because the continuous adjustability of angle of its discharge tube; Can satisfy these demands, and nozzle scale on the reference rail frame in the process of angle adjustment, be convenient to fine setting; It is fixing to rely on its top nut to tighten, and standing back is put reliable and stable.
2, the internal diameter of discharge tube of the present invention is 1mm; Through after the polishing, inner wall surface fineness reaches minute surface, can obtain the powder stream of the linearity of longer distance after powder is come out by the hole; The powder convergence effect is good, effectively raises the converging property and the powder using efficiency of powder.
3, nozzle is difficult for stifled powder, long working life; Even certain root tube cell goes wrong, it is convenient to change, and present general melting-painting nozzle, the problem of a position causes whole nozzle to be scrapped, the whole both economical practicality of the present invention.
4, owing in processing or the installation process, can cause the error of powder and laser coaxial degree, the present invention can rely on centralising device to realize the adjustment of axiality, finally makes the powder convergent point get into the molten bath accurately, and easy to adjust reliable.
5, require to need big powder convergent point when not being very high big part doing some surface quality, the adjustment of powder defocusing amount of the present invention just can change the size of powder at the substrate convergent point, obtains big powder convergent point.
6, this nozzle has both advantage coaxial and the paraxonic powder feeding, satisfies the different working demand, and conversion is convenient.
7, this nozzle parts are few, install very convenient, and in the whole erection adjustment process outside flexible pipe can not twine, adjust also very convenient.
8, in laser head, the laser plus lens is the precision optics of a key, costs an arm and a leg, and is provided with a protection eyeglass outside it.General as long as the protection eyeglass does not break, laser compiles lens and just can not be damaged.Existing method is in the cavity that laser passes through, to manage to form gas curtain or feed gas to avoid the smoke contamination protective glass mostly, but these methods generally need very big throughput, and big throughput can influence the converging property of following powder.Protective glass decontamination nozzle of the present invention; Can be through its acclivitous shape nozzle of twitching one's mouth to the light area of protective glass direct injection gas; Under the little situation of throughput, make this panel region be in the scouring state of gas always; Can guarantee that it does not receive smoke contamination for a long time, can make entire equipment normally move for a long time.
The present invention can be used for metal and nonmetal laser melting coating, surface alloying, the reparation of damaged part, laser metal field such as directly become second nature, and is fit to promote the use of.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed description.
Fig. 1 is the sketch map of the present invention's four pipe powder-feeding nozzle structures.
Fig. 2 is the assembling sketch map of discharge tube and discharge tube rail bracket among Fig. 1, and wherein, A and B represent the cambered surface of discharge tube and discharge tube rail bracket respectively, and arrow has shown the direction of insertion of discharge tube.
Fig. 3 is the rotation profile that protective glass decontamination nozzle amplifies among Fig. 1.
Fig. 4 is the water-cooled loop structure in the upper joint sleeve among Fig. 1.
In Fig. 1, Fig. 2: 1. upper joint sleeve tube, 2. protective glass decontamination nozzle, 3. sliding sleeve, 4. powder out of focus adjustment nut; 5. lock sleeve, 6. centralizer, 7. taper laser cover, 8. centering screw; 9. discharge tube nut, 10. pad, 11. rail brackets, 12. laser heads; 13. the protection eyeglass, 14. discharge tubes, 15. scales, 16. graticules.
The specific embodiment
As shown in Figure 1, a kind of adjustable angle formula four pipe powder-feeding nozzles that are used for the laser direct forming comprise three parts in upper, middle and lower, and top comprises upper joint sleeve tube 1, is connected with laser head 12 through four screws; Protective glass decontamination nozzle 2 is installed in the upper joint sleeve 1, to prevent that protection eyeglass 13 in the laser head 12 is by extraneous smoke contamination.The middle part is made up of sliding sleeve 3, powder out of focus adjustment nut 4, lock sleeve 5, centralizer 6 and centering screw 8; It mainly is the adjustment that realizes powder defocusing amount and axiality; Guarantee that powder enters into the molten bath accurately; Wherein sliding sleeve 3 can slide in the trough of upper joint sleeve 1, has arrived suitable position, and lock sleeve 5 is fixed.The bottom is made up of taper laser cover 7, rail bracket 11, discharge tube 14, discharge tube nut 9 and pad 10, through track cambered surface A, the B cooperation of discharge tube and rail bracket, can realize the circular motion of powder tube, the incident angle of adjustment powder.
As shown in Figure 2, four discharge tubes 14 are evenly distributed in around the discharge tube rail bracket 11, are processed with the cambered surface A that cooperates with the discharge tube rail bracket on the discharge tube, and the midline position of discharge tube outer wall is carved with graticule 16; Be processed with the cambered surface B that cooperates with discharge tube cambered surface A on the discharge tube rail bracket, its lateral surface is marked with the scale 15 (from level, 30 ° to 60 °) of indication angle, and scale shows the scope that discharge tube is adjusted within it.Have four grooves around the discharge tube rail bracket, one section of discharge tube can be inserted in the groove, and the width of groove and the degree of depth are decided according to the size of discharge tube insertion portion; Discharge tube can not rock in groove; And in groove, can slide, rely on the size of the groove that designs and the constraint of fit circular arc face, four discharge tubes are done the circular motion around same point; Adjust to the powder incident angle of requirement according to scale, tighten fixedly discharge tube with discharge tube nut 9.When we need the paraxonic powder feeding, only need on a discharge tube, to plug powder feeding pipe and get final product.The bore dia scope of discharge tube 14 is 0.8mm～3mm, and through polishing, the inner surface fineness in hole reaches minute surface.Powder can form 20mm linearity powder beam after managing interior ejection, can significantly improve the converging property and the utilization rate of powder.
As shown in Figure 3, receive thermal fracture in order to prevent plus lens, be provided with the hole that a circle is communicated with in the upper joint sleeve 1, constituted the water-cooling circulating system of laser plus lens.
As shown in Figure 4, the protective glass decontamination nozzle 2 in the upper joint sleeve is nozzles of the shape of twitching one's mouth, has the slit of 0.5mm in the layer of twitching one's mouth; It guarantees that gas can be with bigger area ejection, and its outlet is tilted to, directly facing to protection eyeglass 13; Can realize gas directly washing away to protective glass; Can guarantee protective glass for a long time not because of dust pollution damages, and then guarantee that the laser plus lens does not break, avoid perhaps influencing the efficient in the actual production because of lens break because of the inspection case of lenses.
Claims (6)
1. an adjustable angle formula four that is used for the laser direct forming is managed powder-feeding nozzles; Comprise three parts in upper, middle and lower; It is characterized in that top comprises the upper joint sleeve tube (1) that links to each other with laser head (12), is installed in the protective glass decontamination nozzle (2) in the upper joint sleeve tube (1); Middle part comprises sliding sleeve (3), through out of focus adjustment nut (4) sliding sleeve (3) is slided up and down in upper joint sleeve tube (1); Through lock sleeve (5) that sliding sleeve (3) is fixing; Sliding sleeve (3) lower end is connected with centralizer (6); The lower part comprises taper laser cover (7) and connected discharge tube rail bracket (11), and taper laser cover (7) is fixing and centering through centralizer (6); Four discharge tubes (14) are evenly distributed in discharge tube rail bracket (11) all around; Be processed with track cambered surface B on the discharge tube rail bracket; Discharge tube rail bracket lateral surface is marked with the scale of indication angle, is processed with the cambered surface A that cooperates with discharge tube rail bracket track cambered surface B on the discharge tube, and this cambered surface A is through being slidingly matched with track cambered surface B; Make discharge tube on the discharge tube rail bracket, make circular motion, the incident angle of adjustment powder.
2. the adjustable angle formula four pipe powder-feeding nozzles that are used for the laser direct forming as claimed in claim 1 is characterized in that said discharge tube is made circular motion on the discharge tube rail bracket, and the scope of adjustment powder incident angle is 30 ° to 60 ° from horizontal level; The axis adjusting range of powder is in the 7mm cylinder at a diameter.
3. the adjustable angle formula that is used for the laser direct forming four pipe powder-feeding nozzles as claimed in claim 1 is characterized in that, through out of focus adjustment nut (4) sliding sleeve (3) are slided up and down in upper joint sleeve tube (1) and are ± 5mm.
4. the adjustable angle formula four pipe powder-feeding nozzles that are used for the laser direct forming as claimed in claim 1; It is characterized in that; A said protective glass decontamination nozzle end inwardly is to have the very flat burner of small gaps, and is inclined upwardly, directly facing to the protection eyeglass (13) in the laser head (12).
5. the adjustable angle formula four pipe powder-feeding nozzles that are used for the laser direct forming as claimed in claim 1; It is characterized in that; Be provided with the hole that a circle is communicated with in the said upper joint sleeve (1), the inside feeds cold water, constitutes the water-cooled EGR of laser plus lens in the laser head (12).
6. the adjustable angle formula four pipe powder-feeding nozzles that are used for the laser direct forming as claimed in claim 1 it is characterized in that the bore dia scope of discharge tube (14) is 0.8mm～3mm, and through polishing, the inner surface fineness in hole reach minute surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110415392.4A CN102554471B (en) | 2011-12-13 | 2011-12-13 | Angle-adjustable four-pipe powder feeding nozzle for laser direct forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110415392.4A CN102554471B (en) | 2011-12-13 | 2011-12-13 | Angle-adjustable four-pipe powder feeding nozzle for laser direct forming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102554471A true CN102554471A (en) | 2012-07-11 |
| CN102554471B CN102554471B (en) | 2014-09-03 |
Family
ID=46401808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110415392.4A Expired - Fee Related CN102554471B (en) | 2011-12-13 | 2011-12-13 | Angle-adjustable four-pipe powder feeding nozzle for laser direct forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102554471B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103060801A (en) * | 2013-01-29 | 2013-04-24 | 西安交通大学 | Coaxial powder delivery nozzle applied to variable spot technique |
| CN103624258A (en) * | 2013-11-11 | 2014-03-12 | 西安交通大学 | System and method for forming laser metal manufacturing part with large inclination angle |
| CN104014791A (en) * | 2014-05-07 | 2014-09-03 | 中国科学院西安光学精密机械研究所 | 3D printing method and device for large-inclination-angle part and electric control multifunctional powder divider |
| CN104694923A (en) * | 2015-03-30 | 2015-06-10 | 湖南大学 | Four-tube type coaxial powder feeding nozzle with adjustable convergence focal length |
| CN105543836A (en) * | 2015-12-15 | 2016-05-04 | 西北工业大学 | Additive manufacturing coaxial powder feeding nozzle gathering characteristic testing device |
| CN106032063A (en) * | 2015-03-16 | 2016-10-19 | 中国科学院西安光学精密机械研究所 | Powder spraying type 3D printing sprayer and control method thereof |
| CN106061668A (en) * | 2014-03-18 | 2016-10-26 | 株式会社东芝 | Nozzle device, laminate shaping apparatus, and manufacturing method for laminated shaped product |
| CN106061716A (en) * | 2014-03-18 | 2016-10-26 | 株式会社东芝 | Nozzle, additive layer manufacturing apparatus, and method for manufacturing additive layer manufacturing product |
| CN106801226A (en) * | 2017-03-10 | 2017-06-06 | 浙江工业大学 | Hinge slider type laser coaxial powder feeding nozzle with adjustable powder focus |
| CN107059000A (en) * | 2017-03-10 | 2017-08-18 | 浙江工业大学 | Conical surface lever type structure powder convergent point adjustable laser coaxial powder feeding nozzle |
| CN107287590A (en) * | 2017-08-10 | 2017-10-24 | 大连理工大学 | The light powder of laser direct forming actively adjusts coaxial powder-feeding nozzle |
| CN107419265A (en) * | 2017-08-21 | 2017-12-01 | 武汉武钢华工激光大型装备有限公司 | A kind of laser wide-band cladding shower nozzle |
| CN107838422A (en) * | 2017-10-17 | 2018-03-27 | 安徽工程大学 | A kind of method and device that alloy components are obtained using laser 3D printing |
| CN106148947B (en) * | 2016-07-11 | 2018-10-16 | 浙江工业大学 | A kind of rectangular light spot laser cladding coating single width adjusting mechanism |
| CN110106499A (en) * | 2019-05-31 | 2019-08-09 | 宁波中物力拓超微材料有限公司 | Adjustable high-rate laser cladding annular coaxial powder-feeding nozzle and its adjusting method |
| CN110144583A (en) * | 2019-05-28 | 2019-08-20 | 华中科技大学 | A kind of angle pencil of ray, adjustable powder feeding angle rapidly and efficiently semiconductor laser cladding apparatus |
| CN110560904A (en) * | 2019-09-16 | 2019-12-13 | 哈尔滨工业大学 | Multi-beam-flow-assisted laser-electric arc hybrid welding method |
| CN110747463A (en) * | 2019-11-26 | 2020-02-04 | 中原工学院 | Three-way symmetrical switchable powder feeding nozzle for paraxial laser cladding |
| CN111283195A (en) * | 2020-02-26 | 2020-06-16 | 河北敬业增材制造科技有限公司 | Powder spraying and collecting equipment for additive manufacturing |
| CN115415551A (en) * | 2022-09-23 | 2022-12-02 | 无锡有田五维增材科技有限公司 | High-precision 3D printer for titanium alloy for aviation and printing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08238587A (en) * | 1995-02-28 | 1996-09-17 | Nisshin Steel Co Ltd | Laser welding head |
| JP2000042854A (en) * | 1998-07-27 | 2000-02-15 | Babcock Hitachi Kk | Driving device for automatic tool |
| CN2530769Y (en) * | 2002-04-01 | 2003-01-15 | 李鲁伯 | Powder delivering mouth space position regulating device for laser melt covering and allogtization |
| CN1765562A (en) * | 2005-11-25 | 2006-05-03 | 北京工业大学 | Side shaft powder feeding apparatus based on laser powder filling welding and powder feeding method |
| CN101264519A (en) * | 2008-04-08 | 2008-09-17 | 西安交通大学 | Adjustable laser coaxial powder feeding nozzle |
| CN101274390A (en) * | 2008-05-20 | 2008-10-01 | 沈阳航空工业学院 | Coaxial nozzle system for laser rapid forming |
-
2011
- 2011-12-13 CN CN201110415392.4A patent/CN102554471B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08238587A (en) * | 1995-02-28 | 1996-09-17 | Nisshin Steel Co Ltd | Laser welding head |
| JP2000042854A (en) * | 1998-07-27 | 2000-02-15 | Babcock Hitachi Kk | Driving device for automatic tool |
| CN2530769Y (en) * | 2002-04-01 | 2003-01-15 | 李鲁伯 | Powder delivering mouth space position regulating device for laser melt covering and allogtization |
| CN1765562A (en) * | 2005-11-25 | 2006-05-03 | 北京工业大学 | Side shaft powder feeding apparatus based on laser powder filling welding and powder feeding method |
| CN101264519A (en) * | 2008-04-08 | 2008-09-17 | 西安交通大学 | Adjustable laser coaxial powder feeding nozzle |
| CN101274390A (en) * | 2008-05-20 | 2008-10-01 | 沈阳航空工业学院 | Coaxial nozzle system for laser rapid forming |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103060801A (en) * | 2013-01-29 | 2013-04-24 | 西安交通大学 | Coaxial powder delivery nozzle applied to variable spot technique |
| CN103060801B (en) * | 2013-01-29 | 2014-11-05 | 西安交通大学 | Coaxial powder delivery nozzle applied to variable spot technique |
| CN103624258A (en) * | 2013-11-11 | 2014-03-12 | 西安交通大学 | System and method for forming laser metal manufacturing part with large inclination angle |
| CN106061668A (en) * | 2014-03-18 | 2016-10-26 | 株式会社东芝 | Nozzle device, laminate shaping apparatus, and manufacturing method for laminated shaped product |
| CN106061716A (en) * | 2014-03-18 | 2016-10-26 | 株式会社东芝 | Nozzle, additive layer manufacturing apparatus, and method for manufacturing additive layer manufacturing product |
| CN106061716B (en) * | 2014-03-18 | 2018-07-31 | 株式会社东芝 | Nozzle, stacking styling apparatus and the manufacturing method that moulder is laminated |
| CN104014791A (en) * | 2014-05-07 | 2014-09-03 | 中国科学院西安光学精密机械研究所 | 3D printing method and device for large-inclination-angle part and electric control multifunctional powder divider |
| CN104014791B (en) * | 2014-05-07 | 2017-01-18 | 中国科学院西安光学精密机械研究所 | 3D printing method and device for large-inclination-angle part and electric control multifunctional powder divider |
| CN106032063B (en) * | 2015-03-16 | 2019-02-01 | 中国科学院西安光学精密机械研究所 | Powder spraying type 3D printing sprayer and control method thereof |
| CN106032063A (en) * | 2015-03-16 | 2016-10-19 | 中国科学院西安光学精密机械研究所 | Powder spraying type 3D printing sprayer and control method thereof |
| CN104694923A (en) * | 2015-03-30 | 2015-06-10 | 湖南大学 | Four-tube type coaxial powder feeding nozzle with adjustable convergence focal length |
| CN104694923B (en) * | 2015-03-30 | 2017-06-13 | 湖南大学 | A kind of four tubular type coaxial powder-feeding nozzles for converging focus adjustable |
| CN105543836B (en) * | 2015-12-15 | 2017-11-21 | 西北工业大学 | Increasing material manufacturing coaxial powder-feeding nozzle converges characteristic test device |
| CN105543836A (en) * | 2015-12-15 | 2016-05-04 | 西北工业大学 | Additive manufacturing coaxial powder feeding nozzle gathering characteristic testing device |
| CN106148947B (en) * | 2016-07-11 | 2018-10-16 | 浙江工业大学 | A kind of rectangular light spot laser cladding coating single width adjusting mechanism |
| CN106801226B (en) * | 2017-03-10 | 2019-06-14 | 浙江工业大学 | Hinge slider type laser coaxial powder feeding nozzle with adjustable powder focus |
| CN106801226A (en) * | 2017-03-10 | 2017-06-06 | 浙江工业大学 | Hinge slider type laser coaxial powder feeding nozzle with adjustable powder focus |
| CN107059000A (en) * | 2017-03-10 | 2017-08-18 | 浙江工业大学 | Conical surface lever type structure powder convergent point adjustable laser coaxial powder feeding nozzle |
| CN107059000B (en) * | 2017-03-10 | 2019-06-14 | 浙江工业大学 | Conical surface lever type structure powder convergent point adjustable laser coaxial powder feeding nozzle |
| CN107287590A (en) * | 2017-08-10 | 2017-10-24 | 大连理工大学 | The light powder of laser direct forming actively adjusts coaxial powder-feeding nozzle |
| CN107419265A (en) * | 2017-08-21 | 2017-12-01 | 武汉武钢华工激光大型装备有限公司 | A kind of laser wide-band cladding shower nozzle |
| CN107838422A (en) * | 2017-10-17 | 2018-03-27 | 安徽工程大学 | A kind of method and device that alloy components are obtained using laser 3D printing |
| CN110144583A (en) * | 2019-05-28 | 2019-08-20 | 华中科技大学 | A kind of angle pencil of ray, adjustable powder feeding angle rapidly and efficiently semiconductor laser cladding apparatus |
| CN110106499A (en) * | 2019-05-31 | 2019-08-09 | 宁波中物力拓超微材料有限公司 | Adjustable high-rate laser cladding annular coaxial powder-feeding nozzle and its adjusting method |
| CN110560904A (en) * | 2019-09-16 | 2019-12-13 | 哈尔滨工业大学 | Multi-beam-flow-assisted laser-electric arc hybrid welding method |
| CN110560904B (en) * | 2019-09-16 | 2021-08-31 | 哈尔滨工业大学 | Multi-beam-flow-assisted laser-electric arc hybrid welding method |
| CN110747463A (en) * | 2019-11-26 | 2020-02-04 | 中原工学院 | Three-way symmetrical switchable powder feeding nozzle for paraxial laser cladding |
| CN111283195A (en) * | 2020-02-26 | 2020-06-16 | 河北敬业增材制造科技有限公司 | Powder spraying and collecting equipment for additive manufacturing |
| CN115415551A (en) * | 2022-09-23 | 2022-12-02 | 无锡有田五维增材科技有限公司 | High-precision 3D printer for titanium alloy for aviation and printing method thereof |
| CN115415551B (en) * | 2022-09-23 | 2024-04-05 | 无锡有田五维增材科技有限公司 | High-precision 3D printer for aviation titanium alloy and printing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102554471B (en) | 2014-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102554471B (en) | Angle-adjustable four-pipe powder feeding nozzle for laser direct forming | |
| CN101264519B (en) | Adjustable laser coaxial powder feeding nozzle | |
| CN101733550B (en) | Welding wire sending and pulverized solder sending laser cladding forming method and device | |
| CN100436031C (en) | Laser precision coated powder coaxial device | |
| CN104694922B (en) | A kind of annular ring type laser coaxial powder feeding nozzle | |
| CN101148760B (en) | Technique for manufacturing inner-light powder-supplying by laser machining forming and inner-light powder-supplying spray head | |
| CN202367348U (en) | Laser processing inside-laser coaxial wire feed sprayer | |
| CN106637195A (en) | Coaxial powder feeding sprayer capable of automatically adjusting light spots and powder feeding positions | |
| CN201128758Y (en) | Feeding axis-adjustable power-feeding head for laser cladding | |
| CN205184048U (en) | Laser cladding protection gas blowout mouth | |
| CN101386111A (en) | Inside-laser wire feeding cladding method and inside-laser wire feeding device | |
| CN203956335U (en) | A kind of non-ferrous alloy laser weld paraxonic protective device | |
| CN101695752A (en) | Precise laser micro-forming and powder feed method and coaxial laser powder device thereof | |
| CN105349994A (en) | Laser cladding process for part cavity surface repair | |
| CN207713821U (en) | A kind of expansible multiple laser cladding head of center powder feeding | |
| CN202297780U (en) | Inside-beam coaxial powder feeding device for laser cladding | |
| CN112281159A (en) | High-speed laser inner hole cladding gun | |
| CN202898544U (en) | Internal laser coaxial powder feeding laser cladding nozzle | |
| CN109365813A (en) | A kind of three-dimensional space any direction laser cladding apparatus | |
| CN202763282U (en) | Molten pool gas shield device for carbon dioxide (CO2) laser device | |
| CN205893388U (en) | Rectangle facula laser cladding coating wall scroll width control mechanism | |
| CN107385435B (en) | Cladding shower nozzle and laser cladding device | |
| CN105772724B (en) | A kind of method for improving laser metal 3D drip molding quality | |
| CN204570041U (en) | A kind of optical-fiber laser coaxial powder-feeding mouth | |
| CN107322166B (en) | The paraboloidal setting method and laser cladding apparatus of laser cladding apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20171213 |