CN107649683A - A kind of 3D printing method and its powder feeding brush mechanism - Google Patents
A kind of 3D printing method and its powder feeding brush mechanism Download PDFInfo
- Publication number
- CN107649683A CN107649683A CN201710945599.XA CN201710945599A CN107649683A CN 107649683 A CN107649683 A CN 107649683A CN 201710945599 A CN201710945599 A CN 201710945599A CN 107649683 A CN107649683 A CN 107649683A
- Authority
- CN
- China
- Prior art keywords
- powder
- brush mechanism
- powder feeding
- feeding brush
- cylinder body
- 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.)
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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
- B22F12/22—Driving means
- B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
-
- 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
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/52—Hoppers
-
- 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
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/57—Metering 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
- B22F12/60—Planarisation devices; Compression devices
- B22F12/67—Blades
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
-
- 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 present invention, which provides a kind of 3D printing method and its powder feeding brush mechanism, powder feeding brush mechanism, includes funneling cylinder body, and the meal outlet of funneling cylinder body is elongated, and the both sides of meal outlet are respectively symmetrically arranged with one piece of elastic scraper that is driven by motor and can be moved up and down；The meal outlet of funneling cylinder body is provided with a valve by its switch of motor control；With three-dimensional software design elements model, the part of unlike material is identified；Then slicing delamination is handled；Each prestore a kind of required powder in powder cylinder and funneling cylinder body；According to the profile information of section, control powder feeding brush mechanism gives moulding cylinder offer powder, laser fusion sintered powder, so completes one layer of processing control system；The invention has the advantages that workable, production efficiency is high.Material needed for computer identification part, control system control powder feeding brush mechanism to supply powder to moulding cylinder, the 3D printing manufacture of composite material parts can be achieved according to the profile information of section by servo motion system.
Description
Technical field
The present invention relates to a kind of 3D printing method and its powder feeding brush mechanism.
Background technology
Relative to tradition machinings such as turnning and milling plane mills, metal 3D printing is as a kind of increasing material manufacturing mode (Addictive
Manufacturing), various labyrinths can be manufactured, give full play to the efficiency ratio of material, are the main of following green manufacturing
One of mode.Its advantage is to expand product originality ＆ innovation space, designer no longer by traditional handicraft and manufacturing recourses about
Beam, and research and development of products innovation cost is reduced, shorten the R＆D cycle, strengthen technique manufacturing capacity, thus in Aero-Space, biology doctor
The industrial circles such as treatment, industrial mould, automobile making have the application prospect to show unique characteristics, the especially boat in small lot multi items
In empty AEROSPACE APPLICATION and personalized medicine apparatus, advantage becomes apparent.
Selective laser melting process (SLM) and electron-beam melting forming technique (EBM) are current metal parts " 3D printings "
The important way of manufacture.
Metal Part by Selective Laser Melting rapid shaping technique (SLM) is collection CAD/CAM, digital control technology, fast short-term training
Type becomes the important supplement of traditional processing manufacturing process in the advanced manufacturing technology of one.Selective laser melting process can be with
Various complicated metal parts are directly produced according to threedimensional model, can be effectively reduced processing cost and time,
So as to significantly shorten the R＆D cycle of new product, very adaptation modern manufacturing industry is rapid, personalized, flexibility development
Demand, in biologic medical, Aero-Space, the manufacturing field such as mould measurer and national defense industry has very wide application prospect.
Metal parts electron-beam melting technology (EBM) be electron beam process with Rapid Manufacturing Technology be combined and caused one
Kind new technology, it can not only make full use of fast, precision control of electron beam vacuum processing environment, high-energy-density, sweep speed etc.
Advantage, and can play quick manufacture without tool and mould, the construction cycle is short and the advantages such as manufacturing cost is low, it is contemplated that will be in vapour
The fields such as car, Aero-Space and medicine equipment are rapidly developed and applied.
Current metal 3D printing manufacture method is only applicable to the forming parts of single material mostly, composite material parts
Forming technique is not yet ripe.However, composite material parts possess more excellent performance, more meet design of part lightweight and knot
The combination of structure attribute and functional attributes, therefore its shaping is as the trend of industrial development.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art and deficiency, there is provided a kind of 3D printing method and its powder feeding brush
Mechanism, overcome the shortcomings that being molded single material part in conventional metals 3D printing manufacture, make full use of the superiority of various materials
Can, realize the combination of design of part lightweight and structure attribute and functional attributes；Powder feeding brush mechanism structure is simple, powdering thickness
It can be manually adjusted by motor.
The present invention is achieved through the following technical solutions：
A kind of powder feeding brush mechanism of 3D printer, the powder feeding brush mechanism include funneling cylinder body 1, the funneling cylinder body
1 meal outlet 2 is elongated, and the both sides of the meal outlet 2 are respectively symmetrically arranged with one piece and are driven by motor 4 and can be moved up and down
Elastic scraper 3.
The meal outlet 2 of the funneling cylinder body 1 is provided with a valve by its switch of motor control.
The wedge shaped structure in end of the elastic scraper 3.
The level cross-sectionn of the funneling cylinder body 1 is trapezoidal.
A kind of Method of printing of the powder feeding brush mechanism with 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 uses same
Mark, the part of unlike material use different marks；
Then threedimensional model carries out slicing delamination processing；
Each prestore a kind of required powder in powder cylinder and funneling cylinder body；
Control system controls powder feeding brush mechanism to be provided to moulding cylinder according to the profile information of section by servo motion system
Powder, laser fusion sintered powder, so complete one layer of processing；
Moulding cylinder is controlled to decline a thickness, the step of repeating powdering, layer and layer are accumulated, and are once done directly composite
3D printing manufacture.
Relative to prior art, the invention has the advantages that and beneficial effect：
(1), the present invention uses composite 3D printing manufacture method, can manufacture zero with arbitrarily complicated internal structure
Part.
(2), workable, production efficiency is high.Material needed for computer identification part, control system is according to section
Profile information, powder feeding brush mechanism is controlled to supply powder to moulding cylinder by servo motion system, the 3D that composite material parts can be achieved is beaten
Printing is made.
(3), material is applied widely.Forming part material can be high-temperature alloy material, such as nickel-base alloy, stainless steel,
Or titanium alloy etc. has dystectic material or very high to laser reflectivity, and the latent heat of fusion is very high, not oxidizable
Material, such as gold, silver and bronze aluminium, also have some oxidizable metal or alloys, the metal or alloy material of infusibility, purity will
The materials such as high semiconductor are sought, and are not limited to metal material, nonmetallic materials should be also included in the method, thus are applicable
Scope is wide.
(4), the present invention can make full use of metal material and the excellent properties of nonmetallic materials, realize design of part lightweight
And the combination of structure attribute and functional attributes.
(5), the both sides of powder feeding brush mechanism heating meal outlet 2 are respectively symmetrically arranged with one piece and are driven by motor 4 and can be transported up and down
Dynamic elastic scraper 3.Elastic scraper 3 can adjust its lower end by motor 4 and moulding cylinder shaping be flat according to the Forming Quality of part
The distance in face 5, so as to provide suitable powdering thickness.
The meal outlet 2 of the funneling cylinder body 1 is provided with a valve by its switch of motor control；Realize accurate control
The powder outlet quantity of meal outlet 2.
Brief description of the drawings
Fig. 1 is the powder feeding brush mechanism structure schematic diagram of 3D printer provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1.The powder feeding brush mechanism of 3D printer of the present invention, the powder feeding brush mechanism include funneling cylinder body 1, institute
State that the meal outlet 2 of funneling cylinder body 1 is elongated, the both sides of the meal outlet 2 be respectively symmetrically arranged with one piece driven by motor 4,
And the elastic scraper 3 that can be moved up and down；The elastic scraper 3 can according to the Forming Quality of part, by motor 4 adjust its lower end with
The distance of moulding cylinder molding flat 5, so as to provide suitable powdering thickness.
The meal outlet 2 of the funneling cylinder body 1 is provided with a valve by its switch of motor control；Realize accurate control
The powder outlet quantity of meal outlet 2.
The wedge shaped structure in end of the elastic scraper 3.
The level cross-sectionn of the funneling cylinder body 1 is trapezoidal.
A kind of Method of printing with the above-mentioned powder feeding brush mechanism for stating 3D printer, comprises the following steps：
With three-dimensional software (SolidWorks, ProE, UG etc.) design elements model, or with reverse-engineering (CT scan, three
Tie up scanner etc.) threedimensional model of reverse part；
On the basis of threedimensional model, the part of unlike material is identified, the part of identical material (or part
A part) same mark is used, the part (or part part) of unlike material uses different marks；
Then threedimensional model carries out slicing delamination processing；
Each prestore a kind of required powder in powder cylinder and funneling cylinder body；
Control system controls powder feeding brush mechanism to be provided to moulding cylinder according to the profile information of section by servo motion system
Powder, laser (or electron beam) fusing sintered powder, so completes one layer of processing；
Moulding cylinder is controlled to decline a thickness, the step of repeating powdering, layer and layer are accumulated, and are once done directly composite
3D printing manufacture.
The present invention can be better realized as described above.
Embodiments of the present invention are simultaneously not restricted to the described embodiments, other any Spirit Essences without departing from the present invention
With made under principle change, modification, replacement, combine, simplification, should be equivalent substitute mode, be included in the present invention's
Within protection domain.
Claims (4)
- A kind of 1. powder feeding brush mechanism of 3D printer, it is characterised in that：The powder feeding brush mechanism includes funneling cylinder body, the leakage The meal outlet of bucket type cylinder body is elongated, and the both sides of the meal outlet are respectively symmetrically arranged with one piece and driven by motor and above and below energy The elastic scraper of motion.
- 2. the powder feeding brush mechanism of 3D printer according to claim 1, it is characterised in that：The funneling cylinder body goes out powder Mouth is provided with a valve by its switch of motor control.
- 3. the powder feeding brush mechanism of 3D printer according to claim 1, it is characterised in that：The end of the elastic scraper is in Wedge structure.
- 4. the powder feeding brush mechanism of 3D printer according to claim 1, it is characterised in that：The level of the funneling cylinder body Cross section is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710945599.XA CN107649683A (en) | 2017-10-12 | 2017-10-12 | A kind of 3D printing method and its powder feeding brush mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710945599.XA CN107649683A (en) | 2017-10-12 | 2017-10-12 | A kind of 3D printing method and its powder feeding brush mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107649683A true CN107649683A (en) | 2018-02-02 |
Family
ID=61116884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710945599.XA Pending CN107649683A (en) | 2017-10-12 | 2017-10-12 | A kind of 3D printing method and its powder feeding brush mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107649683A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773940A (en) * | 2019-01-20 | 2019-05-21 | 武汉因泰莱激光科技有限公司 | Large format ceramics rapid molding device and its feeding control method |
| CN110899699A (en) * | 2019-12-22 | 2020-03-24 | 安徽哈特三维科技有限公司 | Selective laser melting device for machining forming die |
| CN114379078A (en) * | 2021-12-27 | 2022-04-22 | 南京航空航天大学 | Sand-supported 3D printing method, equipment and control system |
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| WO2012131327A1 (en) * | 2011-03-25 | 2012-10-04 | Bae Systems Plc | Additive layer manufacturing |
| CN103480845A (en) * | 2013-09-18 | 2014-01-01 | 华南理工大学 | 3D (three-dimensional) printing method and powder feeding and printing mechanism thereof |
| CN203509029U (en) * | 2013-09-18 | 2014-04-02 | 华南理工大学 | Toner feeding brush mechanism of 3D printing machine |
| CN203695959U (en) * | 2013-12-04 | 2014-07-09 | 金华市闪铸科技有限公司 | Selected laser sintering molding 3D printing equipment |
| 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 |
-
2017
- 2017-10-12 CN CN201710945599.XA patent/CN107649683A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012131327A1 (en) * | 2011-03-25 | 2012-10-04 | Bae Systems Plc | Additive layer manufacturing |
| CN103480845A (en) * | 2013-09-18 | 2014-01-01 | 华南理工大学 | 3D (three-dimensional) printing method and powder feeding and printing mechanism thereof |
| CN203509029U (en) * | 2013-09-18 | 2014-04-02 | 华南理工大学 | Toner feeding brush mechanism of 3D printing machine |
| CN203695959U (en) * | 2013-12-04 | 2014-07-09 | 金华市闪铸科技有限公司 | Selected laser sintering molding 3D printing equipment |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773940A (en) * | 2019-01-20 | 2019-05-21 | 武汉因泰莱激光科技有限公司 | Large format ceramics rapid molding device and its feeding control method |
| CN110899699A (en) * | 2019-12-22 | 2020-03-24 | 安徽哈特三维科技有限公司 | Selective laser melting device for machining forming die |
| CN110899699B (en) * | 2019-12-22 | 2022-02-15 | 安徽哈特三维科技有限公司 | Selective laser melting device for machining forming die |
| CN114379078A (en) * | 2021-12-27 | 2022-04-22 | 南京航空航天大学 | Sand-supported 3D printing method, equipment and control system |
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| PB01 | Publication | ||
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Application publication date: 20180202 |