CN104259461A - Laser three-dimensional production method based on coaxial wire feeding and coaxial wire feeding device - Google Patents
Laser three-dimensional production method based on coaxial wire feeding and coaxial wire feeding device Download PDFInfo
- Publication number
- CN104259461A CN104259461A CN201410373071.6A CN201410373071A CN104259461A CN 104259461 A CN104259461 A CN 104259461A CN 201410373071 A CN201410373071 A CN 201410373071A CN 104259461 A CN104259461 A CN 104259461A
- Authority
- CN
- China
- Prior art keywords
- wire feeding
- wire
- coaxial
- circular
- feeding pipe
- 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
Landscapes
- Laser Beam Processing (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a laser three-dimensional production method based on coaxial wire feeding and a coaxial wire feeding device. The coaxial wire feeding device comprises a vacuum box body, a circular light beam generation device sealed in the vacuum box body, and a wire conveying printing device, wherein the circular light beam generation device comprises a conical mirror, an inner conical mirror and a circular concave mirror; the wire conveying printing device comprises a wire feeding pipe, a straightening mechanism, a printing nozzle and a heating device; the wire feeding pipe is coaxial with circular conical light beams; the conical mirror and the inner conical mirror generate hollow circular light beams; the circular light beams are converted to vertical circular conical light beams through the circular concave mirror; the wire feeding pipe and the circular conical light beams are coaxially arranged; wires are vertically fed, and are straightened by the straightening mechanism, so that the problem of weak wire feeding precision due to wire bending in a traditional wire feeding technology is solved, and the adverse influence on the processing quality due to defocus fluctuation of the light beams in the processing process is eliminated; and the device has the advantages of simple structure, continuous and stable light wire coupling, high processing quality, low cost and prominent reduction of cost investment.
Description
Technical field
The invention belongs to three-dimensionally shaped manufacture field, relate to a kind of laser three-D manufacture method based on coaxial wire feed and coaxial wire feed device.
Background technology
Three-dimensional printing technology is exactly in a computer three-dimensional CAD model is divided into some layers, by printing device in one plane according to CAD layer pattern, by plastics, the metal even material such as biological tissue activity cell sintering or stick together, and then stacking up in layer.By the accumulation of the different figure of every one deck, finally form a three-dimensional body.
Metal parts three-dimensional printing technology, as forward position and most potential technology the most in whole 3 D-printing system, is the important development direction of advanced manufacturing technology.Along with development in science and technology and the demand applied, utilizing three-dimensional printing technology directly to manufacture metal function part becomes the main developing direction of 3 D-printing.The 3 D-printing moulding process that can be used for directly manufacturing metal function part at present mainly contains: precinct laser fusion (SLM), electron beam selective melting (EBM), laser near-net-shape (LENS) etc.
But, existing metal 3 D-printing moulding process material is metal powder material, 3 D-printing metal dust, except need possessing good plasticity, also must meet that powder diameter is tiny, narrower particle size distribution, sphericity are high, good fluidity and the high requirement of apparent density.The development of metal powder preparation technique, prepare the performance of powder and the cost of powder preparation, have a strong impact on the development of metal parts 3 D-printing.In addition, the powder sending quantity determined by powder properties and uniformity controlling difficulty, low, the powder being in fritting state dispersed outside light beam of powder using efficiency easily adhere to forming part surface, affect the deficiencies such as surface quality, also govern the development of metal parts 3 D-printing.
By contrast, extruded some problems avoided powder feeding and bring of metal melting, metal melting extrusion forming process easily realizes accurate control, and pushing precision is high; Stock utilization is high; Capacity usage ratio is high; Without sporadic; Environmentally safe; The advantage such as cheap, has great development space, and be one of important directions of development metal material 3 D-printing manufacturing technology, metal current melted extrusion modeling technique remains and better solved in many problems.How by laser and by melt material synchronous transfer to machine-shaping position, and metal material is put on machined surface continuously, accurately, equably do in the focal beam spot of scanning motion by desired trajectory, realize light material to be accurately coupled, remain the large key issue that the development of metal melting extrusion forming technology is badly in need of solving.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of the laser three-D manufacture method and the coaxial wire feed device that realize light, expect the coaxial wire feed of accurate coupling.
For achieving the above object, the invention provides following technical scheme: a kind of coaxial wire feed device, comprise vacuum chamber, seal the annular beam generating means and silk material conveying printing equipment that are arranged in vacuum chamber, described annular beam generating means comprises and cooperatively interacts and produce conscope and the inner circle axicon lens of hollow ring light beam, and be obliquely installed and hollow ring light beam converted to the loop concave mirror of ring cone-shaped beam, described conscope and inner circle axicon lens are coaxially arranged, described ring cone-shaped beam axis and annular beam axis perpendicular; Described silk material conveying printing equipment comprises for carrying the wire-feeding pipe of a material, the straightening mechanism be arranged on wire-feeding pipe, printing head and the heater that is arranged on above printing head; Described wire-feeding pipe is coaxial with described ring cone-shaped beam.
Further, described printing head is coaxial with ring cone-shaped beam.
Present invention also offers and a kind ofly utilize above-mentioned coaxial wire feed device to carry out the method for laser three-D manufacture, mainly comprise following steps:
(1) laser beam that laser instrument is launched cuts break-in successively by conscope, inner circle axicon lens, forms the annular beam that hollow is unglazed;
(2) annular beam is again via the loop concave mirror commutation be obliquely installed, forming radius ring cone-shaped beam decrescence;
(3) silk material is delivered on working plate by the wire-feeding pipe being placed in ring cone-shaped beam center, and in course of conveying, silk material through straightening mechanism aligning and heating devices heat, is finally extruded by printing head successively;
(4) the silk material extruded is heated, melts and enter in molten bath under the irradiation of ring cone-shaped beam and the molten bath heat transfer acting in conjunction of finished surface, printing head is by the walking of pre-set path, layering ejection silk material is also layering, until complete whole workpiece.
Beneficial effect of the present invention is: the problem solving the wire feed low precision bending generation in existing wire feed process because of silk material, eliminates in process because light beam out of focus fluctuates the adverse effect caused crudy; Apparatus structure is simple, chevilled silk coupling continous-stable, and crudy is high; Annular beam axis generation vertical change, really achieves the coaxial setting of wire-feeding pipe and described ring cone-shaped beam; Heating means preheats metal material, laser power requirements is not high, and working service is convenient, with low cost, provide significant conservation cost and drops into.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearly, the invention provides following accompanying drawing and being described:
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in the figure, coaxial wire feed device of the present invention, comprise vacuum chamber, seal the annular beam generating means and silk material conveying printing equipment that are arranged in vacuum chamber, described annular beam generating means comprises and cooperatively interacts and produce the conscope 1 of hollow ring light beam and inner circle axicon lens 2, and be obliquely installed and hollow ring light beam converted to the loop concave mirror 3 of ring cone-shaped beam, described conscope 1 is coaxially arranged with inner circle axicon lens 2, and described ring cone-shaped beam axis a and annular beam axis b is perpendicular; Described silk material conveying printing equipment comprises for carrying the wire-feeding pipe 5 of a material, the straightening mechanism 6 be arranged on wire-feeding pipe 5, printing head 7 and the heater 8 that is arranged on above printing head 7; Described wire-feeding pipe 5, printing head 7 are coaxial with described ring cone-shaped beam.
In the present embodiment, annular beam generating means and silk material carry printing equipment to be arranged vertically, conscope 1 axis and wire-feeding pipe 5 axis orthogonal, conscope 1 can not produce interference effect to wire-feeding pipe 5 upper end again, eliminate the metal wire material buckling problem caused because conscope 1 arranges, straightening mechanism 6 booster action again, significantly improves wire feed precision, really achieves coaxial wire feed simultaneously; Heater 8 above printing head 7 can preheated metallic material, reduces laser power and has saved cost, and chevilled silk coupling continous-stable, crudy is high.
Utilize above-mentioned coaxial wire feed device to carry out the method for laser three-D manufacture, mainly comprise following steps:
(1) laser beam that laser instrument is launched cuts break-in successively by conscope 1, inner circle axicon lens 2, forms the annular beam that hollow is unglazed;
(2) annular beam commutates via the loop concave mirror 3 be obliquely installed again, forming radius ring cone-shaped beam decrescence;
(3) silk material is delivered on working plate 9 by the wire-feeding pipe 5 being placed in ring cone-shaped beam center, and in course of conveying, silk material is aligned through straightening mechanism 6 successively and heated with heater 8, is finally extruded by printing head 7;
(4) the silk material extruded is heated, melts and enter in molten bath under the irradiation of ring cone-shaped beam and the molten bath heat transfer acting in conjunction of finished surface, printing head 7 is by the walking of pre-set path, layering ejection silk material is also layering, until complete whole workpiece.
Wire feed of the present invention, melting, extrude, machine-shaping overall process all carries out under inert atmosphere protection environment; The metal material be specifically related to comprises simple metal and alloy, simple metal material can be iron, copper, aluminium, tin, nickel, gold, silver, lead or zinc etc., and alloy material can be stainless steel, titanium alloy, aluminium alloy, magnesium alloy, magnadure, nickel-base alloy, cochrome and tungsten alloy etc.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (3)
1. a coaxial wire feed device, comprise vacuum chamber, seal the annular beam generating means and silk material conveying printing equipment that are arranged in vacuum chamber, it is characterized in that: described annular beam generating means comprises and cooperatively interacts and produce conscope and the inner circle axicon lens of hollow ring light beam, and be obliquely installed and hollow ring light beam converted to the loop concave mirror of ring cone-shaped beam, described conscope and inner circle axicon lens are coaxially arranged, described ring cone-shaped beam axis and annular beam axis perpendicular; Described silk material conveying printing equipment comprises for carrying the wire-feeding pipe of a material, the straightening mechanism be arranged on wire-feeding pipe, printing head and the heater that is arranged on above printing head; Described wire-feeding pipe is coaxial with described ring cone-shaped beam.
2. coaxial wire feed device according to claim 1, is characterized in that: described printing head is coaxial with ring cone-shaped beam.
3., based on a laser three-D manufacture method for the coaxial wire feed device described in any one of claim 1-2, it is characterized in that mainly comprising following steps:
(1) laser beam that laser instrument is launched cuts break-in successively by conscope, inner circle axicon lens, forms the annular beam that hollow is unglazed;
(2) annular beam is again via the loop concave mirror commutation be obliquely installed, forming radius ring cone-shaped beam decrescence;
(3) silk material is delivered on working plate by the wire-feeding pipe being placed in ring cone-shaped beam center, and in course of conveying, silk material through straightening mechanism aligning and heating devices heat, is finally extruded by printing head successively;
(4) the silk material extruded is heated, melts and enter in molten bath under the irradiation of ring cone-shaped beam and the molten bath heat transfer acting in conjunction of finished surface, printing head is by the walking of pre-set path, layering ejection silk material is also layering, until complete whole workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373071.6A CN104259461B (en) | 2014-07-31 | 2014-07-31 | Laser three-D manufacture method based on coaxial wire feed and coaxial wire feed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373071.6A CN104259461B (en) | 2014-07-31 | 2014-07-31 | Laser three-D manufacture method based on coaxial wire feed and coaxial wire feed device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104259461A true CN104259461A (en) | 2015-01-07 |
| CN104259461B CN104259461B (en) | 2016-08-24 |
Family
ID=52151106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410373071.6A Active CN104259461B (en) | 2014-07-31 | 2014-07-31 | Laser three-D manufacture method based on coaxial wire feed and coaxial wire feed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104259461B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363357A (en) * | 2017-09-20 | 2017-11-21 | 苏州大学 | Laser cladding device |
| CN108380881A (en) * | 2018-05-09 | 2018-08-10 | 南方科技大学 | Composite heating 3D printer and 3D printing method |
| CN108544092A (en) * | 2018-04-25 | 2018-09-18 | 上海产业技术研究院 | A kind of coaxial wire feed deposition head for laser metal printing |
| CN109807415A (en) * | 2019-03-07 | 2019-05-28 | 哈尔滨工业大学（威海） | A kind of processing unit (plant) and processing method of hollow electron beam coaxial wire feed |
| CN109852967A (en) * | 2019-04-17 | 2019-06-07 | 中国人民解放军军事科学院国防科技创新研究院 | Pencil stream Laser Melting Deposition increasing material manufacturing method and its laser Machining head that uses |
| CN110405203A (en) * | 2018-04-17 | 2019-11-05 | 长沙嘉程机械制造有限公司 | Coaxial compound multiple laser+electric heating silk material deposition method |
| CN116100153A (en) * | 2023-03-09 | 2023-05-12 | 哈尔滨工业大学 | Laser-electric arc coaxial composite machining device, machining system and machining method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421721A (en) * | 1981-10-02 | 1983-12-20 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus for growing crystal fibers |
| JPH04280915A (en) * | 1991-01-10 | 1992-10-06 | Nippon Steel Corp | Method and apparatus for applying laser beam heat treatment to metal wire rod |
| DE19853733C1 (en) * | 1998-11-23 | 2000-02-24 | Fraunhofer Ges Forschung | Local heat treatment of workpiece surfaces by laser beam involves locally resolved temperature measurement on the laser spot or its direct vicinity, and control of the laser output power |
| US6756561B2 (en) * | 1999-09-30 | 2004-06-29 | National Research Council Of Canada | Laser consolidation apparatus for manufacturing precise structures |
| CN1814391A (en) * | 2005-12-27 | 2006-08-09 | 苏州大学 | Laser precision coated powder coaxial device |
| CN101386111A (en) * | 2007-09-14 | 2009-03-18 | 苏州大学 | Inside-laser wire feeding cladding method and inside-laser wire feeding device |
| CN101770076A (en) * | 2010-01-09 | 2010-07-07 | 苏州大学 | Method and device for realizing laser focusing |
| CN202021424U (en) * | 2011-03-29 | 2011-11-02 | 东阳市双燕设备有限公司 | Laser wire filling welding machine with non-stable cavity and coaxial wire feed |
-
2014
- 2014-07-31 CN CN201410373071.6A patent/CN104259461B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421721A (en) * | 1981-10-02 | 1983-12-20 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus for growing crystal fibers |
| JPH04280915A (en) * | 1991-01-10 | 1992-10-06 | Nippon Steel Corp | Method and apparatus for applying laser beam heat treatment to metal wire rod |
| DE19853733C1 (en) * | 1998-11-23 | 2000-02-24 | Fraunhofer Ges Forschung | Local heat treatment of workpiece surfaces by laser beam involves locally resolved temperature measurement on the laser spot or its direct vicinity, and control of the laser output power |
| US6756561B2 (en) * | 1999-09-30 | 2004-06-29 | National Research Council Of Canada | Laser consolidation apparatus for manufacturing precise structures |
| CN1814391A (en) * | 2005-12-27 | 2006-08-09 | 苏州大学 | Laser precision coated powder coaxial device |
| CN101386111A (en) * | 2007-09-14 | 2009-03-18 | 苏州大学 | Inside-laser wire feeding cladding method and inside-laser wire feeding device |
| CN101770076A (en) * | 2010-01-09 | 2010-07-07 | 苏州大学 | Method and device for realizing laser focusing |
| CN202021424U (en) * | 2011-03-29 | 2011-11-02 | 东阳市双燕设备有限公司 | Laser wire filling welding machine with non-stable cavity and coaxial wire feed |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363357A (en) * | 2017-09-20 | 2017-11-21 | 苏州大学 | Laser cladding device |
| CN110405203A (en) * | 2018-04-17 | 2019-11-05 | 长沙嘉程机械制造有限公司 | Coaxial compound multiple laser+electric heating silk material deposition method |
| CN108544092A (en) * | 2018-04-25 | 2018-09-18 | 上海产业技术研究院 | A kind of coaxial wire feed deposition head for laser metal printing |
| CN108380881A (en) * | 2018-05-09 | 2018-08-10 | 南方科技大学 | Composite heating 3D printer and 3D printing method |
| CN108380881B (en) * | 2018-05-09 | 2024-03-19 | 南方科技大学 | Composite heating 3D printer and 3D printing method |
| CN109807415A (en) * | 2019-03-07 | 2019-05-28 | 哈尔滨工业大学（威海） | A kind of processing unit (plant) and processing method of hollow electron beam coaxial wire feed |
| CN109852967A (en) * | 2019-04-17 | 2019-06-07 | 中国人民解放军军事科学院国防科技创新研究院 | Pencil stream Laser Melting Deposition increasing material manufacturing method and its laser Machining head that uses |
| CN116100153A (en) * | 2023-03-09 | 2023-05-12 | 哈尔滨工业大学 | Laser-electric arc coaxial composite machining device, machining system and machining method |
| CN116100153B (en) * | 2023-03-09 | 2023-12-15 | 哈尔滨工业大学 | Laser-electric arc coaxial composite machining device, machining system and machining method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104259461B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104259461A (en) | Laser three-dimensional production method based on coaxial wire feeding and coaxial wire feeding device | |
| CN107813050B (en) | A kind of multi-laser beam 3D printing head for metal melting rapid shaping | |
| RU2641578C2 (en) | Application head in additive manufacturing | |
| CN111014993B (en) | Metal material ultra-efficient additive manufacturing method | |
| CN107511683A (en) | A kind of large complicated hardware increase and decrease material manufacture device and method | |
| CN107217253B (en) | Light-powder-gas coaxial conveying laser cladding impact forging forming composite manufacturing method | |
| CN107262713A (en) | Coaxial powder-feeding laser-impact forges Compound Machining building mortion and method in a kind of light | |
| CN210098977U (en) | Composite heat source synchronous rolling additive manufacturing equipment | |
| CN111215752A (en) | Multi-mode filament-powder mixed laser additive manufacturing system and method | |
| CN103769754B (en) | Based on pellet micropore laser processing and the device of temperature rise regulation and control | |
| CN108672936B (en) | Additive manufacturing device and method based on combination of induction heating fuse and laser | |
| CN108115282A (en) | A kind of electric arc-laser compound machine people's increasing material manufacturing system | |
| CN108500266A (en) | 7000 line aluminium alloy increasing material manufacturing method and system | |
| CN106504966B (en) | A kind of integration array electronic rifle and electron beam selective melting rapid forming system | |
| CN105935828B (en) | A kind of electric arc three-dimensional rapid forming manufacture method based on the pulse current pressure droplet transfer | |
| CN111151757A (en) | Composite electron beam additive manufacturing equipment and process | |
| CN105643053A (en) | Consumable electrode gas shielded arc deposition three-dimensional printing method | |
| CN104475951B (en) | A kind of resistive heating metal wire material deposition forming method | |
| CN111230111A (en) | Electron beam coaxial wire feeding additive manufacturing equipment and method | |
| CN109128162B (en) | Method for processing metal workpiece embedded into prefabricated part | |
| CN106825571B (en) | A kind of coaxial powder feeding apparatus for 3D printing metal works | |
| CN108526653B (en) | Metal three-dimensional printing forming method based on parallel pulse arc melting | |
| RU2691017C1 (en) | 3d method of printing sectioned wire | |
| CN111250702A (en) | Powder feeding nozzle for laser directional energy deposition | |
| CN115283698A (en) | Metal rapid additive manufacturing method and device |
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 |