CN103480845A - 3D (three-dimensional) printing method and powder feeding and printing mechanism thereof - Google Patents
3D (three-dimensional) printing method and powder feeding and printing mechanism thereof Download PDFInfo
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- CN103480845A CN103480845A CN201310429168.XA CN201310429168A CN103480845A CN 103480845 A CN103480845 A CN 103480845A CN 201310429168 A CN201310429168 A CN 201310429168A CN 103480845 A CN103480845 A CN 103480845A
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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
Abstract
The invention discloses a 3D (three-dimensional) printing method and a powder feeding and printing mechanism thereof. The powder feeding and printing mechanism comprises a funnel-type cylinder, a powder outlet of the funnel-type cylinder is elongated, and two sides of the powder outlet are respectively and symmetrically provided with two elastic scraping plates which are driven by a motor and can move vertically. The powder outlet of the funnel-type cylinder is provided with a valve with turning on and off controlled by the motor. The 3D printing method includes: designing part models with three-dimensional software and marking parts different in material; then slicing the part models for hierarchical processing; pre-storing a kind of needed powder respectively in a powder cylinder and the funnel-type cylinder; controlling the powder-feeding-and-printing mechanism to provide the powder to a forming cylinder by a control system according to contour information of slices, and subjecting the powder to laser fusion sintering to complete processing one layer. The 3D printing method and the powder feeding and printing mechanism thereof have the advantages of high operability and production efficiency. A computer identifies the materials required by the parts, and the control system controls the powder feeding and printing mechanism to provide powder to the forming cylinder through a servo motor system according to the contour information of the slices, so that 3D printing manufacturing of the composite material parts can be realized.
Description
Technical field
The present invention relates to 3D and print manufacturing technology, relate in particular to a kind of 3D Method of printing and powder feeding brush mechanism thereof.
Background technology
With respect to traditional machineds such as turnning and milling plane mills, metal 3D prints as a kind of material manufacture (Addictive Manufacturing) that increases, and can manufacture various labyrinths, gives full play to the efficiency ratio of material, is one of major way of following green manufacturing.Its advantage is to expand product intention innovative space, the designer no longer is subject to traditional handicraft and manufactures resource constraint, and reduction research and development of products innovation cost, shorten the R&D cycle, strengthen the technique manufacturing capacity, thereby at industrial circles such as Aero-Space, biologic medical, industrial mould, automobile makings, the application prospect shown unique characteristics is arranged, especially, in the aerospace applications and personalized medicine apparatus of the many kinds of small lot, advantage is more obvious.
Precinct laser fusion technology (SLM) and electron-beam melting forming technique (EBM) are the important way that metal current part " 3D printing " is manufactured.
Metal Part by Selective Laser Melting rapid shaping technique (SLM) is the advanced manufacturing technology that integrates CAD/CAM, digital control technology, rapid shaping, becomes the important supplement that tradition shapes method.The precinct laser fusion technology can directly be produced according to threedimensional model the metal parts of various complexity, can make processing cost and time be effectively reduced, thereby shortened widely the R&D cycle of new product, adapt to very much modern manufacturing industry rapid, personalization, the demand of flexibility development, at biologic medical, Aero-Space, the manufacture fields such as mould measurer and national defense industry have very wide application prospect.
Metal parts electron-beam melting technology (EBM) is that electron beam process combines with Rapid Manufacturing Technology and a kind of new technology of producing, not only can take full advantage of the advantages such as electron beam vacuum processing environment, high-energy-density, fast, the accurate control of sweep speed, and can bring into play quick manufacture without tool and mould, the construction cycle is short and the advantage such as low cost of manufacture, expectation will be rapidly developed and apply in fields such as automobile, Aero-Space and medicine equipments.
Current metal 3D prints manufacture method and mostly is only applicable to single forming parts of planting material, and the forming technique of composite material parts is not yet ripe.Yet composite material parts has more excellent performance, more meet the combination of design of part lightweight and structure attribute and functional attributes, so its moulding becomes the trend of industrial development.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art with not enough, a kind of 3D Method of printing and powder feeding brush mechanism thereof are provided, overcome conventional metals 3D and print the single shortcoming of planting material parts of moulding in manufacture, take full advantage of the excellent properties of various materials, realize the combination of design of part lightweight and structure attribute and functional attributes; Powder feeding brush mechanism structure is simple, and paving powder thickness can manually be adjusted by motor.
The present invention is achieved through the following technical solutions:
A kind of powder feeding brush mechanism of 3D printer, described powder feeding is brushed mechanism and is comprised funneling cylinder body 1, and the meal outlet 2 of described funneling cylinder body 1 is elongated, and the both sides of described meal outlet 2 respectively are symmetrically arranged with an elastic scraper 3 that is driven and can be moved up and down by motor 4.
The meal outlet 2 of described funneling cylinder body 1 is provided with a valve by its switch of Electric Machine Control.
The end of described elastic scraper 3 is wedge structure.
The level cross-sectionn of described funneling cylinder body 1 is trapezoidal.
A kind of Method of printing with powder feeding brush mechanism of above-mentioned 3D printer comprises the following steps:
With three-dimensional software design elements model;
On the basis of threedimensional model, the part of unlike material is identified, the part of identical material is used the same sign, and the part of unlike material adopts different signs;
Then threedimensional model carries out the slicing delamination processing;
A kind of required powder prestores separately in powder cylinder and funneling cylinder body;
Control system, according to the profile information of section, is controlled powder feeding brush mechanism by the servo motion system and is provided powder to moulding cylinder, and the laser fusion sintered powder, complete one deck processing like this;
Control a bed thickness of moulding cylinder decline, repeat to spread the step of powder, layer is piled up with layer, and the 3D printing that once directly completes composite is manufactured.
With respect to prior art, the present invention has following advantage and beneficial effect:
(1), the present invention adopts composite 3D to print manufacture method, can manufacture the part with any complex internal structure.
(2), workable, production efficiency is high.The required material of computer identification part, control system, according to the profile information of cutting into slices, is controlled powder feeding brush mechanism by the servo motion system and is supplied powder to moulding cylinder, can realize that the 3D of composite material parts prints manufacture.
(3), material is applied widely.The forming part material can be high-temperature alloy material, as nickel-base alloy, stainless steel, or titanium alloy etc. has dystectic material, can be also very high to laser reflectivity, and the latent heat of fusion is very high, the material that is difficult for oxidation, as gold, silver and bronze aluminium, also have metal or the alloy of some easy oxidations, the metal of infusibility or alloy material, the high materials such as semiconductor of purity requirement, and being not limited to metal material, nonmetallic materials also should be included in the method, thereby applied widely.
(4), the present invention can take full advantage of the excellent properties of metal material and nonmetallic materials, realizes the combination of design of part lightweight and structure attribute and functional attributes.
(5), the both sides of powder feeding brush mechanism heating meal outlet 2 respectively are symmetrically arranged with an elastic scraper 3 that is driven and can be moved up and down by motor 4.Elastic scraper 3 can, according to the Forming Quality of part, be adjusted the distance of its lower end and moulding cylinder molding flat 5 by motor 4, thereby suitable paving powder thickness is provided.
The meal outlet 2 of described funneling cylinder body 1 is provided with a valve by its switch of Electric Machine Control; Realize the accurate powder outlet quantity of controlling meal outlet 2.
The accompanying drawing explanation
Fig. 1 is the powder feeding brush mechanism structure schematic diagram of 3D printer of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As shown in Figure 1.The powder feeding brush mechanism of 3D printer of the present invention, described powder feeding is brushed mechanism and is comprised funneling cylinder body 1, the meal outlet 2 of described funneling cylinder body 1 is elongated, and the both sides of described meal outlet 2 respectively are symmetrically arranged with an elastic scraper 3 that is driven and can be moved up and down by motor 4; This elastic scraper 3 can, according to the Forming Quality of part, be adjusted the distance of its lower end and moulding cylinder molding flat 5 by motor 4, thereby suitable paving powder thickness is provided.
The meal outlet 2 of described funneling cylinder body 1 is provided with a valve by its switch of Electric Machine Control; Realize the accurate powder outlet quantity of controlling meal outlet 2.
The end of described elastic scraper 3 is wedge structure.
The level cross-sectionn of described funneling cylinder body 1 is trapezoidal.
A kind of Method of printing with powder feeding brush mechanism of the above-mentioned 3D of stating printer comprises the following steps:
With three-dimensional software (SolidWorks, ProE, UG etc.) design elements model, or with the threedimensional model of reverse-engineering (CT scan, spatial digitizer etc.) reverse part;
On the basis of threedimensional model, the part of unlike material is identified, the part of identical material (or part part) is used the same sign, and the part of unlike material (or part part) adopts different signs;
Then threedimensional model carries out the slicing delamination processing;
A kind of required powder prestores separately in powder cylinder and funneling cylinder body;
Control system, according to the profile information of section, is controlled powder feeding brush mechanism by the servo motion system and is provided powder to moulding cylinder, and laser (or electron beam) fusing sintered powder, complete one deck processing like this;
Control a bed thickness of moulding cylinder decline, repeat to spread the step of powder, layer is piled up with layer, and the 3D printing that once directly completes composite is manufactured.
Just can realize preferably the present invention as mentioned above.
Embodiments of the present invention are not restricted to the described embodiments; other are any does not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitute, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (5)
1. mechanism is brushed in the powder feeding of a 3D printer, it is characterized in that: described powder feeding is brushed mechanism and is comprised funneling cylinder body, the meal outlet of described funneling cylinder body is elongated, and the both sides of described meal outlet respectively are symmetrically arranged with an elastic scraper that is driven and can be moved up and down by motor.
2. mechanism is brushed in the powder feeding of 3D printer according to claim 1, and it is characterized in that: the meal outlet of described funneling cylinder body is provided with a valve by its switch of Electric Machine Control.
3. mechanism is brushed in the powder feeding of 3D printer according to claim 1, and it is characterized in that: the end of described elastic scraper is wedge structure.
4. mechanism is brushed in the powder feeding of 3D printer according to claim 1, and it is characterized in that: the level cross-sectionn of described funneling cylinder body is trapezoidal.
5. the Method of printing of mechanism is brushed in the powder feeding with the described 3D printer of claim 1, it is characterized in that comprising the following steps:
With three-dimensional software design elements model;
On the basis of threedimensional model, the part of unlike material is identified, the part of identical material is used the same sign, and the part of unlike material adopts different signs;
Then threedimensional model carries out the slicing delamination processing;
A kind of required powder prestores separately in powder cylinder and funneling cylinder body;
Control system, according to the profile information of section, is controlled powder feeding brush mechanism by the servo motion system and is provided powder to moulding cylinder, and the laser fusion sintered powder, complete one deck processing like this;
Control a bed thickness of moulding cylinder decline, repeat to spread the step of powder, layer is piled up with layer, and the 3D printing that once directly completes composite is manufactured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310429168.XA CN103480845A (en) | 2013-09-18 | 2013-09-18 | 3D (three-dimensional) printing method and powder feeding and printing mechanism thereof |
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| CN201310429168.XA CN103480845A (en) | 2013-09-18 | 2013-09-18 | 3D (three-dimensional) printing method and powder feeding and printing mechanism thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103726049A (en) * | 2014-01-09 | 2014-04-16 | 武汉新瑞达激光工程有限责任公司 | Laser additive manufacturing method and device of metal parts |
| CN104226997A (en) * | 2014-09-12 | 2014-12-24 | 徐海锋 | 3D (three-dimensional) metal printing method |
| CN105817620A (en) * | 2015-02-10 | 2016-08-03 | 深圳光韵达光电科技股份有限公司 | 3D-printing assembly-free manufacturing method for model |
| CN105903966A (en) * | 2016-06-28 | 2016-08-31 | 华南理工大学 | Internally-arranged automatic coating device and method based on 3D printing of precious metal |
| CN106111990A (en) * | 2016-08-30 | 2016-11-16 | 西安铂力特激光成形技术有限公司 | A kind of two-way powder laying device and selective laser melting unit |
| CN106111991A (en) * | 2016-09-04 | 2016-11-16 | 芜湖纯元光电设备技术有限公司 | A kind of 3D printer anti-blocking shape powder feeding brush device and using method thereof |
| CN107649683A (en) * | 2017-10-12 | 2018-02-02 | 长沙远达华信息科技有限公司 | A kind of 3D printing method and its powder feeding brush mechanism |
| CN108436086A (en) * | 2018-06-18 | 2018-08-24 | 重庆恩光科技有限公司 | The vertical driving mechanism of power spreading device is processed for selective laser melting |
| CN108746617A (en) * | 2018-06-18 | 2018-11-06 | 重庆恩光科技有限公司 | Selective laser melting device with electromagnetic location power spreading device |
| CN108788145A (en) * | 2017-04-28 | 2018-11-13 | 戴弗根特技术有限公司 | More materials and print parameters for increasing material manufacturing |
| CN110406099A (en) * | 2018-04-28 | 2019-11-05 | 上海微电子装备（集团）股份有限公司 | Power spreading device and 3D printing system |
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| CN1753747A (en) * | 2003-02-25 | 2006-03-29 | 松下电工株式会社 | Three dimensional structure producing method and producing device |
| CN103173759A (en) * | 2013-03-13 | 2013-06-26 | 华中科技大学 | Powder conveying and paving mechanism linked with power bed |
| CN203509029U (en) * | 2013-09-18 | 2014-04-02 | 华南理工大学 | Toner feeding brush mechanism of 3D printing machine |
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| CN1753747A (en) * | 2003-02-25 | 2006-03-29 | 松下电工株式会社 | Three dimensional structure producing method and producing device |
| CN103173759A (en) * | 2013-03-13 | 2013-06-26 | 华中科技大学 | Powder conveying and paving mechanism linked with power bed |
| CN203509029U (en) * | 2013-09-18 | 2014-04-02 | 华南理工大学 | Toner feeding brush mechanism of 3D printing machine |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726049B (en) * | 2014-01-09 | 2016-05-25 | 武汉新瑞达激光工程有限责任公司 | A kind of laser gain material manufacture method and equipment of metal parts |
| CN103726049A (en) * | 2014-01-09 | 2014-04-16 | 武汉新瑞达激光工程有限责任公司 | Laser additive manufacturing method and device of metal parts |
| CN104226997A (en) * | 2014-09-12 | 2014-12-24 | 徐海锋 | 3D (three-dimensional) metal printing method |
| CN105817620A (en) * | 2015-02-10 | 2016-08-03 | 深圳光韵达光电科技股份有限公司 | 3D-printing assembly-free manufacturing method for model |
| CN105903966B (en) * | 2016-06-28 | 2019-01-29 | 华南理工大学 | A kind of built-in automatic coating device and method based on noble metal 3D printing |
| CN105903966A (en) * | 2016-06-28 | 2016-08-31 | 华南理工大学 | Internally-arranged automatic coating device and method based on 3D printing of precious metal |
| CN106111990A (en) * | 2016-08-30 | 2016-11-16 | 西安铂力特激光成形技术有限公司 | A kind of two-way powder laying device and selective laser melting unit |
| CN106111991A (en) * | 2016-09-04 | 2016-11-16 | 芜湖纯元光电设备技术有限公司 | A kind of 3D printer anti-blocking shape powder feeding brush device and using method thereof |
| CN108788145A (en) * | 2017-04-28 | 2018-11-13 | 戴弗根特技术有限公司 | More materials and print parameters for increasing material manufacturing |
| CN108788145B (en) * | 2017-04-28 | 2022-08-30 | 戴弗根特技术有限公司 | Multi-material and printing parameters for additive manufacturing |
| CN107649683A (en) * | 2017-10-12 | 2018-02-02 | 长沙远达华信息科技有限公司 | A kind of 3D printing method and its powder feeding brush mechanism |
| CN110406099A (en) * | 2018-04-28 | 2019-11-05 | 上海微电子装备（集团）股份有限公司 | Power spreading device and 3D printing system |
| CN108436086A (en) * | 2018-06-18 | 2018-08-24 | 重庆恩光科技有限公司 | The vertical driving mechanism of power spreading device is processed for selective laser melting |
| CN108746617A (en) * | 2018-06-18 | 2018-11-06 | 重庆恩光科技有限公司 | Selective laser melting device with electromagnetic location power spreading device |
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Application publication date: 20140101 |