CN107052339A - A kind of coaxial powder feeding apparatus for 3D printing metal works - Google Patents
A kind of coaxial powder feeding apparatus for 3D printing metal works Download PDFInfo
- Publication number
- CN107052339A CN107052339A CN201710207812.7A CN201710207812A CN107052339A CN 107052339 A CN107052339 A CN 107052339A CN 201710207812 A CN201710207812 A CN 201710207812A CN 107052339 A CN107052339 A CN 107052339A
- Authority
- CN
- China
- Prior art keywords
- component
- powder feeding
- circular arc
- feeding apparatus
- coaxial powder
- 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
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
-
- 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
-
- 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
- B22F12/20—Cooling 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
- B22F12/50—Means for feeding of material, e.g. heads
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention discloses a kind of coaxial powder feeding apparatus for 3D printing metal works, including:Lens subassembly, including lens carrier and the lens on the lens carrier;The powder feeding component below the lens subassembly is arranged on, the powder feeding component is from top to bottom successively including the barrel assemblies being vertically arranged, the first circular arc component being connected with the barrel assemblies, the first cone component being connected with the first circular arc component;The shape for being shaped as being transitioned into external arc from Inner arc of the first circular arc component;The powder feeding component external is provided with cooling water cavity component.Compared with prior art, the coaxial powder feeding apparatus that the present invention is provided sets the circular arc component for being shaped as being transitioned into cylindrical arc shape from Inner arc on the top of cone component, powder is entered back into the first circular cone component by the circular arc component, enable to what metal dust more relaxed during conveying to be transitioned into taper focus movement from vertical motion, so as to reach more stable uniform powder feeding effect, Workpiece shaping quality is improved.
Description
Technical field
The present invention relates to quick manufacture field devices, and in particular to a kind of coaxial powder-feeding for 3D printing metal works is filled
Put.
Background technology
3D printer (3D Printers) is also known as three-dimensional printer, is a kind of accumulation manufacturing technology, i.e. RP technique
A kind of machine, based on it is a kind of mathematical model file, material can be bonded with special wax material, powdery metal or plastics etc.
Material, the object of three-dimensional is manufactured by the jointing material of printing from level to level.3D printer is by control assembly, mechanical component, printing
The frameworks such as head, consumptive material and medium composition.Before the printing, the first complete 3 D stereo mould of Modeling and Design one in computer
Type, is then printed out again.Because without machining or mould, just energy directly from computer graphics data appoint by generation
The object of what shape, so as to highly shortened the production cycle of product, improves production efficiency.
The core of 3D printing is that the complicated 3D bodies of required Forming Workpiece are passed through into slicing treatment conversion referred to as simple 2D
The combination in section, therefore traditional machining tool and mould need not be used, according to the three-dimensional computer aided design models of workpiece,
On the fast forming machine that computer is controlled, along short transverse layer by layer deposition material, a series of 2D sections of Forming Workpiece are thin
Lamella, and lamella is mutually bonded with lamella, finally it is piled into 3 D workpiece.
When manufacturing metal works using 3D printing, it is necessary to use laser printing apparatus.Traditional laser printing apparatus bag
Laser generator, laser printhead, mechanical arm and workbench are included, the effect of laser generator is to produce laser, laser printhead peace
Loaded on mechanical arm.During whole 3D printing, laser printhead is driven to complete on the table by mechanical arm.Laser printhead group
Part mainly includes laser head and powder nozzle component, and the powder nozzle component only includes powder shower nozzle, the connection powder feeding of powder shower nozzle
Pipeline and protective gas pipeline.In the course of the work, after powder is ejected, laser quickly melts powder, then extremely short
The shape of rapid solidification formation workpiece in time.
The key factor for determining metal works Forming Quality is powder shower nozzle, that is, ensure that the uniform and stable focusing of powder
It is fed on the focal point of laser, many such coaxial powder feeding apparatus is disclosed in the prior art.Chinese patent
CN104178763 discloses a kind of laser coaxial cladding feeding head, including outside outer tube wall, inner tube wall, cooling water cavity, powder-feeding mouth
Circle, powder-feeding mouth inner ring, the powder-feeding mouth inner ring and powder-feeding mouth outer ring are constituted including adjustable movable supporting board, can not dismantled
The convergent point for changing powder stream is reached in the case of various pipelines.But, in the device, powder from inside and outside barrel first motion to
During powder-feeding mouth Internal and external cycle, circular cone focus movement is directly changed from vertical motion, it is easy to cause powder in corner interim moment
It is obstructed, so as to cause the uneven of powder conveying.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of coaxial powder feeding apparatus for 3D printing metal works, its
Can solve the problem that interim moment in powder course of conveying in the prior art be obstructed caused by powder powder feeding it is uneven the problem of.
In order to solve the above-mentioned technical problem, the present invention provides a kind of coaxial powder feeding apparatus for 3D printing metal works,
Including:
Lens subassembly, including lens carrier and the lens on the lens carrier;
The powder feeding component below the lens subassembly is arranged on, the powder feeding component includes being vertically arranged from top to bottom successively
Barrel assemblies, the first circular arc component being connected with the barrel assemblies, the first cone for being connected with the first circular arc component
Component;The shape for being shaped as being transitioned into external arc from Inner arc of the first circular arc component;
The powder feeding component external is provided with cooling water cavity component.
It is preferred that, the first circular arc component includes internal circular arc wallboard and outside circular arc wallboard.
It is preferred that, the first circular cone component includes being connected with the internal circular arc wallboard and in axially symmetric distribution
Interior movable supporting board, be connected with the outside circular arc wallboard and outer movable supporting board that be in axially symmetric distribution.
It is preferred that, the smooth local protuberance in surface is provided between the interior movable supporting board and the outer movable supporting board
Thing, the local protuberance thing is fixed on the inner surface of the outer movable supporting board.
It is preferred that, lift adjustment cylinder movable up and down is provided with below the first circular cone component.
It is preferred that, the lift adjustment cylinder is slidably in contact with the outer surface of outer movable supporting board.
It is preferred that, the taper of the first circular cone component is adjusted in the range of 20-40 degree.
It is preferred that, the barrel assemblies are made up of inner tube wall and outer tube wall.
It is preferred that, protection eyeglass is installed on the inner tube wall.
The present invention discloses a kind of coaxial powder feeding apparatus for 3D printing metal works, including:Lens subassembly, including lens
Support and the lens on the lens carrier;It is arranged on the powder feeding component below the lens subassembly, the powder feeding group
Part from top to bottom successively include be vertically arranged barrel assemblies, be connected with the barrel assemblies the first circular arc component, with it is described
First cone component of the first circular arc component connection;Being shaped as of the first circular arc component is transitioned into external arc from Inner arc
Shape;The powder feeding component external is provided with cooling water cavity component.Compared with prior art, the coaxial powder-feeding that the present invention is provided
Device sets the circular arc component for being shaped as being transitioned into cylindrical arc shape from Inner arc on the top of cone component, and powder passes through described
Circular arc component is entered back into the first circular cone component, enable to that metal dust more relaxes during conveying from vertical fortune
It is dynamic to be transitioned into taper focus movement, so as to reach more stable uniform powder feeding effect, improve Workpiece shaping quality.
Brief description of the drawings
A kind of schematic diagram of the embodiment for the coaxial powder feeding apparatus that Fig. 1 present invention is provided;
Fig. 2 is the first circular arc component diagram in coaxial powder feeding apparatus.
Embodiment
Accompanying drawing 1 is referred to, the present invention provides a kind of schematic diagram of embodiment of coaxial powder feeding apparatus, including lens group
Part, including lens carrier 301 and the collector lens 302 being horizontally arranged on the lens carrier, the effect of collector lens are
Laser beam is focused.It is powder feeding component below lens subassembly, the effect of the powder feeding component is to convey metal dust,
Metal dust is focused on above the focus of convergent pencil of rays, then by rapid melting and solidification, completes the 3D printing work of metal works
Sequence.
In one embodiment, powder feeding component includes the barrel assemblies 401 being vertically arranged, the circle successively from top to bottom
Cartridge module is made up of inner tube wall 401a and outer tube wall 401b, is connected between inner tube wall and outer tube wall with powder conduit road 401c,
Metal dust is transported between inner tube wall and outer tube wall from powder conduit road, and protection eyeglass is provided with the top of inner tube wall
501a, sets the effect of protection eyeglass to be that the powder that can prevent Stimulated Light from heating flies up to damage laser head.In outer barrel
Cooling water cavity 501b is provided with the outside of wall, cooling water cavity is connected with cooling water inlet and coolant outlet, is followed by cooling water
Ring can reduce the environment temperature of protection eyeglass, and preventing and treating protection eyeglass is heated to be burst.Powder conduit road can be connected to circumference
Around outer tube wall, metal dust is inwardly conveyed.
In the lower section of barrel assemblies, the first circular arc component 601 is provided with, please referring also to Fig. 2, is the first circular arc component
Enlarged diagram, the shape of the first circular arc component is the shape that external arc 601b is transitioned into from Inner arc 601a, including interior
Circular arc wallboard 601c, the external arc wallboard 601d being connected with outer tube wall, metal dust enter first between inside and outside cylindrical wall
In circular arc component.
The first circular cone component is provided with the bottom of the first circular arc component, the first circular cone component includes powder-feeding mouth
Inner ring 701a and powder-feeding mouth outer ring 701b, the powder-feeding mouth inner ring is made up of multiple axially distributed interior movable supporting boards, described
Interior movable supporting board is connected with the Inner arc wallboard by way of being hinged, and can so be rotated around Inner arc wallboard, described
Outer movable supporting board is connected with the external arc wallboard also by the mode being hinged, and can so be rotated around external arc wallboard, interior
Movable supporting board is connected with outer movable supporting board by the fixed local protuberance thing 801a smooth on the surface of outer movable supporting board inner surface,
Interior movable supporting board be arranged in parallel with outer movable supporting board.
By setting the first circular arc component, the powder down moves to circular arc component from cylindrical wall, due to circular arc
The transition effect of component, allows what powder more relaxed to move in cone component, can prevent and treat the instantaneous obstruction effect for producing powder
Really.In addition, the taper of the first circular cone component is preferably 20-40 degree, more preferably 30 degree, the taper of the first circular cone component is defined
For interior movable supporting board or outer movable supporting board and vertical axially formed angle.So, by setting the first round platform component, it is possible to
Prevent that the moment of powder is obstructed problem, so that the conveying of powder is more uniform, improve the Forming Quality of workpiece.
In order to adjust the angle of outer movable supporting board, lift adjustment cylinder 801b, lift adjustment cylinder and outer barrel are further provided with
Wall is connected through a screw thread, and lift adjustment cylinder can be moved up and down along outer tube wall, the outer surface of lift adjustment cylinder and outer movable supporting board
Slidably it is in contact.When lift adjustment cylinder moves up and down, outer movable supporting board rotary motion can be driven, so as to adjust first
The angle of cone component, powder is focused on different positions.
The present invention discloses a kind of coaxial powder feeding apparatus for 3D printing metal works, including:Lens subassembly, including lens
Support and the lens on the lens carrier;It is arranged on the powder feeding component below the lens subassembly, the powder feeding group
Part from top to bottom successively include be vertically arranged barrel assemblies, be connected with the barrel assemblies the first circular arc component, with it is described
First cone component of the first circular arc component connection;Being shaped as of the first circular arc component is transitioned into external arc from Inner arc
Shape;The powder feeding component external is provided with cooling water cavity component.Compared with prior art, the coaxial powder-feeding that the present invention is provided
Device sets the circular arc component for being shaped as being transitioned into cylindrical arc shape from Inner arc on the top of cone component, and powder passes through described
First circular arc component is entered back into the first circular cone component, enable to that metal dust more relaxes during conveying from perpendicular
Straight movement transitions are to taper focus movement, so as to reach more stable uniform powder feeding effect, improve Workpiece shaping quality.
It the above is only the preferred embodiment of the present invention, these preferred embodiments are only that a kind of exemplary of the present invention is said
Bright, this exemplary explanation should not be construed as limiting the invention.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of coaxial powder feeding apparatus for 3D printing metal works, it is characterised in that including:
Lens subassembly, including lens carrier and the lens on the lens carrier;
The powder feeding component below the lens subassembly is arranged on, the powder feeding component includes the circle being vertically arranged successively from top to bottom
Cartridge module, the first circular arc component being connected with the barrel assemblies, the first cone component being connected with the first circular arc component;
The shape for being shaped as being transitioned into external arc from Inner arc of the first circular arc component;
The powder feeding component external is provided with cooling water cavity component.
2. coaxial powder feeding apparatus according to claim 1, it is characterised in that the first circular arc component includes internal circular arc
Wallboard and outside circular arc wallboard.
3. coaxial powder feeding apparatus according to claim 2, it is characterised in that the first circular cone component include with it is described interior
The connection of portion circular arc wallboard and the interior movable supporting board in axially symmetric distribution, be connected with the outside circular arc wallboard and be in axial direction
Symmetrical outer movable supporting board.
4. coaxial powder feeding apparatus according to claim 3, it is characterised in that in the interior movable supporting board and the outer activity
The smooth local protuberance thing in surface is provided between support plate, the local protuberance thing is fixed on the interior table of the outer movable supporting board
Face.
5. coaxial powder feeding apparatus according to claim 4, it is characterised in that set below the first circular cone component
There is lift adjustment cylinder movable up and down.
6. coaxial powder feeding apparatus according to claim 5, it is characterised in that the lift adjustment cylinder and outer movable supporting board
Outer surface is slidably in contact.
7. coaxial powder feeding apparatus according to claim 6, it is characterised in that the taper of the first circular cone component is in 20-
Adjusted in the range of 40 degree.
8. the coaxial powder feeding apparatus according to any one of claim 1 to 7, it is characterised in that the barrel assemblies are by inner cylinder
Wall and outer tube wall are constituted.
9. coaxial powder feeding apparatus according to claim 8, it is characterised in that be provided with protective glass on the inner tube wall
Piece.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710207812.7A CN107052339A (en) | 2017-03-31 | 2017-03-31 | A kind of coaxial powder feeding apparatus for 3D printing metal works |
Applications Claiming Priority (1)
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CN201710207812.7A CN107052339A (en) | 2017-03-31 | 2017-03-31 | A kind of coaxial powder feeding apparatus for 3D printing metal works |
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CN107052339A true CN107052339A (en) | 2017-08-18 |
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CN201710207812.7A Pending CN107052339A (en) | 2017-03-31 | 2017-03-31 | A kind of coaxial powder feeding apparatus for 3D printing metal works |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1670607A2 (en) * | 2003-12-05 | 2006-06-21 | MBN Nanomaterialia SpA | Improved method and apparatus for sintering of organic materials as well as resulting objects |
CN200954478Y (en) * | 2006-06-21 | 2007-10-03 | 天津工业大学 | Co-axial powder-feeding head |
CN202052935U (en) * | 2011-04-15 | 2011-11-30 | 华中科技大学 | Laser-induction hybrid melting direct-forming device |
CN104178763A (en) * | 2013-05-24 | 2014-12-03 | 中国科学院力学研究所 | Laser coaxial cladding powder feeding head |
CN205033597U (en) * | 2015-09-18 | 2016-02-17 | 广东汉邦激光科技有限公司 | 3D prints intelligence and send whitewashed system and 3D printer |
CN205341921U (en) * | 2016-01-05 | 2016-06-29 | 哈尔滨工程大学 | Shower nozzle is extruded to electromagnetic induction heating 3D printer |
JP2017025392A (en) * | 2015-07-24 | 2017-02-02 | Jx金属株式会社 | Surface treatment metal powder for electron beam type 3d printer and manufacturing method therefor |
US9566647B1 (en) * | 2015-12-02 | 2017-02-14 | General Electric Company | Direct metal electrophotography additive manufacturing machine |
-
2017
- 2017-03-31 CN CN201710207812.7A patent/CN107052339A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1670607A2 (en) * | 2003-12-05 | 2006-06-21 | MBN Nanomaterialia SpA | Improved method and apparatus for sintering of organic materials as well as resulting objects |
CN200954478Y (en) * | 2006-06-21 | 2007-10-03 | 天津工业大学 | Co-axial powder-feeding head |
CN202052935U (en) * | 2011-04-15 | 2011-11-30 | 华中科技大学 | Laser-induction hybrid melting direct-forming device |
CN104178763A (en) * | 2013-05-24 | 2014-12-03 | 中国科学院力学研究所 | Laser coaxial cladding powder feeding head |
JP2017025392A (en) * | 2015-07-24 | 2017-02-02 | Jx金属株式会社 | Surface treatment metal powder for electron beam type 3d printer and manufacturing method therefor |
CN205033597U (en) * | 2015-09-18 | 2016-02-17 | 广东汉邦激光科技有限公司 | 3D prints intelligence and send whitewashed system and 3D printer |
US9566647B1 (en) * | 2015-12-02 | 2017-02-14 | General Electric Company | Direct metal electrophotography additive manufacturing machine |
CN205341921U (en) * | 2016-01-05 | 2016-06-29 | 哈尔滨工程大学 | Shower nozzle is extruded to electromagnetic induction heating 3D printer |
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PB01 | Publication | ||
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Application publication date: 20170818 |