CN107310156A - The dynamic zoom scan light path system of many galvanometers of multi-laser - Google Patents
The dynamic zoom scan light path system of many galvanometers of multi-laser Download PDFInfo
- Publication number
- CN107310156A CN107310156A CN201710745452.6A CN201710745452A CN107310156A CN 107310156 A CN107310156 A CN 107310156A CN 201710745452 A CN201710745452 A CN 201710745452A CN 107310156 A CN107310156 A CN 107310156A
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- Prior art keywords
- laser
- light path
- expanding lens
- beam expanding
- galvanometer
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/49—Scanners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/44—Radiation means characterised by the configuration of the radiation means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/44—Radiation means characterised by the configuration of the radiation means
- B22F12/45—Two or more
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
- B22F10/12—Formation of a green body by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of dynamic zoom scan light path system of many galvanometers of multi-laser, it is used for 3D printing equipment, the equipment includes light path board, the system is in the light path board, and at least include two groups of symmetrical lasers, galvanometer and beam expanding lens, the laser output is provided with beam expanding lens, the output end of the beam expanding lens is provided with galvanometer, the light beam that the laser is launched enters beam expanding lens, light beam enters back into galvanometer after being handled through beam expanding lens, and the light beam through galvanometer output end is remake for processing the processing workpiece on 3D printing equipment platform by field lens.Variable, scan mode is versatile and flexible in good time for hot spot of the present invention, can make significantly surface parts, improves processing efficiency, and the precision and quality of scanning shaping has been effectively ensured, and reduces product cost and stand-by period.
Description
Technical field
The present invention relates to increases material manufacturing technology field, and in particular to a kind of dynamic zoom scan light path of many galvanometers of multi-laser
System, it can be used in photocuring SLA, nylon SLS, metal powder SLM and FMS.
Background technology
3D printing, also known as rapid shaping, increasing material manufacturing, are a kind of based on 3D data pattern files, with photosensitive tree
The materials such as fat, powdered plastics or metal, come the technology of constructed object by way of successively printing.3D data models is defeated
Go out to before 3D printer, it is necessary to be layered to 3D models, be cut into hundreds of thousands of thin layers.Then these thin layers will be described
Data file is output to printer, and 3D printer is successively printed, and is molded until whole shape is superimposed.
Be widely used in the fields such as mould, automobile, household electrical appliances, medical treatment, dentistry, jewellery, jewelry product prototype manufacture,
Checking is examined in performance test and design, is drastically increased new product development speed, is reduced development cost, enhances city of enterprise
Field competitiveness, shows wide market prospects.
At present, the 3D printer of in the market application is almost using single laser list vibration mirror scanning light path layout mode, the party
Formula defect hot spot is immutable, and speed is limited during big flat scanning, and precision is relatively low when fine definition line or edge line scanning, so that
The quality of Stereolithography part is influenceed, is attempting to improve scanning essence using variable hot spot technology in spite of a small number of universities and colleges and enterprise
Degree, but superiority is not still exhibited in sweep speed.
The content of the invention
In order to solve the above technical problems, we have proposed a kind of dynamic zoom scan light path system of many galvanometers of multi-laser,
Its in good time variable, scan mode is versatile and flexible, and double galvanometers can make significantly surface parts, and the precision of scanning shaping has been effectively ensured
And quality, reduce product cost and stand-by period.
To reach above-mentioned purpose, technical scheme is as follows：
The dynamic zoom scan light path system of many galvanometers of multi-laser, it is used for 3D printing equipment, and the equipment includes light path board, should
System at least includes two groups of symmetrical lasers, galvanometer and beam expanding lens, the laser in the light path board
Output end is provided with beam expanding lens, and the output end of the beam expanding lens is provided with galvanometer, and the light beam that the laser is launched enters beam expanding lens,
Light beam enters back into galvanometer after being handled through beam expanding lens, and the light beam through galvanometer output end is remake for processing 3D printing equipment by field lens
Processing workpiece on platform.
It is preferred that, in addition to the mirror structure between the laser and beam expanding lens, what the laser was launched
The reflected mirror structure of light beam enters back into beam expanding lens.
It is preferred that, the mirror structure includes at least two reflecting optics being symmetrical set.
It is preferred that, the speculum is 45 ° of reflecting optics.
It is preferred that, the laser includes ultraviolet laser, CO2 lasers and optical fiber laser.
By above-mentioned technical proposal, the dynamic zoom scan light path systems of many galvanometers of multi-laser of the present invention, double galvanometers can be with
Significantly surface parts are made, processing efficiency is lifted, its in good time variable, scan mode is versatile and flexible, and scanning shaping has been effectively ensured
Precision and quality, reduce product cost and stand-by period.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the dynamic zoom scan light path system of many galvanometers of multi-laser disclosed in the embodiment of the present invention
Figure；
Fig. 2 is that the structure of the dynamic zoom scan light path system of many galvanometers of another multi-laser disclosed in the embodiment of the present invention is shown
It is intended to.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention is described in further detail with reference to schematic diagram.
Reference picture 1, the dynamic zoom scan light path systems of many galvanometers of multi-laser, its be used for photocuring SLA, nylon SLS,
In FMS 3D printing equipment, the equipment includes light path board 1, and the system at least includes two groups of phases in the light path board 1
Mutual symmetrical laser 2, galvanometer 3, beam expanding lens 4 and mirror structure 5, the output end of laser 2 are provided with mirror structure
5, the output end of the mirror structure 5 is provided with beam expanding lens 4, and the output end of the beam expanding lens 4 is provided with galvanometer 3, the laser 2
Enter beam expanding lens 4 after the reflected mirror structure 5 of light beam launched, light beam enters back into galvanometer 3 after being handled through beam expanding lens 4, through galvanometer 3
The light beam of output end is remake for processing the processing workpiece on 3D printing equipment platform by field lens, and twin-laser, double galvanometers are moved
State zoom scan, in good time variable, scan mode is versatile and flexible, and double galvanometers can make significantly surface parts, lifts processing efficiency, has
Effect ensure that the precision and quality of scanning shaping, reduce product cost and stand-by period.
Wherein, the mirror structure 5 includes at least two 45 ° of reflecting optics being symmetrical set.
Specifically, it is ultraviolet laser for photocuring SLA, nylon SLS, FMS laser used, can also makes
Substituted with infrared and ultraviolet laser, CO2 lasers or other lasers for being applied to the shaping of 3D printing material.
Reference picture 2, the dynamic zoom scan light path system of many galvanometers of multi-laser in SLM 3D printer equipment,
Its difference is that laser 2 uses optical fiber laser, and the system includes optical fiber laser head, beam expanding lens and galvanometer, and light
With one heart, the optical fiber transmission path of optical fiber laser is the optical fiber of laser 2 to the incidence hole of fibre laser head, beam expanding lens and galvanometer
Head end is provided with beam expanding lens 4, and the output end of the beam expanding lens 4 is provided with galvanometer 3, and the optical fiber head of the laser 2 enters beam expanding lens 4,
Galvanometer 3 is entered back into after being handled through beam expanding lens 4, the light beam through the output end of galvanometer 3 is remake by field lens and beaten for processing SLM metals 3D
Processing workpiece on printing apparatus platform, the optical fiber laser can also use other to replace the laser of metal dust printing-forming
Generation.
Specifically, beam expanding lens 4 can be QBH collimaters.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (5)
1. the dynamic zoom scan light path system of many galvanometers of multi-laser, it is used for 3D printing equipment, and the equipment includes light path board,
Characterized in that, the system is in the light path board, and at least includes two groups of symmetrical lasers, galvanometers and expand
Mirror, the laser output is provided with beam expanding lens, and the output end of the beam expanding lens is provided with galvanometer, the light that the laser is launched
Beam enters beam expanding lens, and light beam enters back into galvanometer after being handled through beam expanding lens, and the light beam through galvanometer output end is remake by field lens to be used for
The processing workpiece processed on 3D printing equipment platform.
2. the dynamic zoom scan light path system of many galvanometers of multi-laser according to claim 1, it is characterised in that also include
Mirror structure between the laser and beam expanding lens, the reflected mirror structure of light beam that the laser is launched is entered back into
Beam expanding lens.
3. the dynamic zoom scan light path system of many galvanometers of multi-laser according to claim 2, it is characterised in that described anti-
Penetrating mirror structure includes at least two reflecting optics being symmetrical set.
4. the dynamic zoom scan light path system of many galvanometers of multi-laser according to claim 2, it is characterised in that described anti-
It is 45 ° of reflecting optics to penetrate mirror.
5. the dynamic zoom scan light path system of many galvanometers of multi-laser according to claim 1, it is characterised in that described to swash
Light device includes ultraviolet laser, CO2 lasers and optical fiber laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710745452.6A CN107310156A (en) | 2017-08-26 | 2017-08-26 | The dynamic zoom scan light path system of many galvanometers of multi-laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710745452.6A CN107310156A (en) | 2017-08-26 | 2017-08-26 | The dynamic zoom scan light path system of many galvanometers of multi-laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107310156A true CN107310156A (en) | 2017-11-03 |
Family
ID=60177297
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710745452.6A Withdrawn CN107310156A (en) | 2017-08-26 | 2017-08-26 | The dynamic zoom scan light path system of many galvanometers of multi-laser |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671436A (en) * | 2017-11-08 | 2018-02-09 | 深圳市国人光速科技有限公司 | A kind of full-automatic double galvanometer FPC cover layer laser cutting machines |
| CN108580896A (en) * | 2018-06-29 | 2018-09-28 | 中国兵器装备研究院 | Double-beam high-surface-quality rapid additive manufacturing equipment |
| CN109648200A (en) * | 2019-02-18 | 2019-04-19 | 英诺激光科技股份有限公司 | Laser welding system and welding method |
| CN110170652A (en) * | 2019-04-30 | 2019-08-27 | 杭州喜马拉雅信息科技有限公司 | A kind of molding face printing equipment of Variable Area and its Method of printing |
| CN110899961A (en) * | 2019-11-22 | 2020-03-24 | 武汉数字化设计与制造创新中心有限公司 | Laser three-dimensional precise flexible processing platform with double lasers |
| CN111375765A (en) * | 2020-03-18 | 2020-07-07 | 东南大学 | Molten pool temperature detection system and method of selective laser melting 3D printer |
| CN111545755A (en) * | 2020-06-10 | 2020-08-18 | 常州英诺激光科技有限公司 | Method and device for 3D printing of copper and copper alloy by ultraviolet laser |
| CN111619109A (en) * | 2019-02-28 | 2020-09-04 | 苏州中瑞智创三维科技股份有限公司 | Adjusting mechanism of optical path system |
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| CN103552244A (en) * | 2013-11-04 | 2014-02-05 | 北京工业大学 | 3D (three-dimensional) laser printing device based on multi-laser-device scanning system |
| CN103658647A (en) * | 2013-12-10 | 2014-03-26 | 华南理工大学 | SLM device based on four lasers and two stations and machining method |
| US20170157850A1 (en) * | 2014-08-18 | 2017-06-08 | Chongqing Institute Of Green And Intelligent Technology, Chinese Academy Of Sciences | Multi-wavelength laser rapid prototyping system and method |
| CN207088485U (en) * | 2017-08-26 | 2018-03-13 | 吴江中瑞机电科技有限公司 | The more galvanometer dynamic zoom scan light path systems of multi-laser |
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2017
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| CN103552244A (en) * | 2013-11-04 | 2014-02-05 | 北京工业大学 | 3D (three-dimensional) laser printing device based on multi-laser-device scanning system |
| CN103658647A (en) * | 2013-12-10 | 2014-03-26 | 华南理工大学 | SLM device based on four lasers and two stations and machining method |
| US20170157850A1 (en) * | 2014-08-18 | 2017-06-08 | Chongqing Institute Of Green And Intelligent Technology, Chinese Academy Of Sciences | Multi-wavelength laser rapid prototyping system and method |
| CN207088485U (en) * | 2017-08-26 | 2018-03-13 | 吴江中瑞机电科技有限公司 | The more galvanometer dynamic zoom scan light path systems of multi-laser |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671436A (en) * | 2017-11-08 | 2018-02-09 | 深圳市国人光速科技有限公司 | A kind of full-automatic double galvanometer FPC cover layer laser cutting machines |
| CN108580896A (en) * | 2018-06-29 | 2018-09-28 | 中国兵器装备研究院 | Double-beam high-surface-quality rapid additive manufacturing equipment |
| CN109648200A (en) * | 2019-02-18 | 2019-04-19 | 英诺激光科技股份有限公司 | Laser welding system and welding method |
| CN111619109A (en) * | 2019-02-28 | 2020-09-04 | 苏州中瑞智创三维科技股份有限公司 | Adjusting mechanism of optical path system |
| CN110170652A (en) * | 2019-04-30 | 2019-08-27 | 杭州喜马拉雅信息科技有限公司 | A kind of molding face printing equipment of Variable Area and its Method of printing |
| CN110170652B (en) * | 2019-04-30 | 2021-07-06 | 杭州喜马拉雅信息科技有限公司 | Variable area forming surface printing device and printing method thereof |
| CN110899961A (en) * | 2019-11-22 | 2020-03-24 | 武汉数字化设计与制造创新中心有限公司 | Laser three-dimensional precise flexible processing platform with double lasers |
| CN111375765A (en) * | 2020-03-18 | 2020-07-07 | 东南大学 | Molten pool temperature detection system and method of selective laser melting 3D printer |
| CN111545755A (en) * | 2020-06-10 | 2020-08-18 | 常州英诺激光科技有限公司 | Method and device for 3D printing of copper and copper alloy by ultraviolet laser |
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| CB02 | Change of applicant information |
Address after: 215223 No. 13 Tongan West Road, Wujiang District, Jiangsu, Suzhou Applicant after: Suzhou Zhong Rui Zhi Chuang 3D Polytron Technologies Inc Address before: 215223 No. 13 Tongan West Road, Wujiang District, Jiangsu, Suzhou Applicant before: Z Rapid Technologies Co., Ltd. |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171103 |
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| WW01 | Invention patent application withdrawn after publication |