CN106825571A - 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
- CN106825571A CN106825571A CN201710207815.0A CN201710207815A CN106825571A CN 106825571 A CN106825571 A CN 106825571A CN 201710207815 A CN201710207815 A CN 201710207815A CN 106825571 A CN106825571 A CN 106825571A
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- component
- powder feeding
- movable supporting
- supporting board
- feeding apparatus
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- 239000000843 powder Substances 0.000 title claims abstract description 89
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 238000010146 3D printing Methods 0.000 title claims abstract description 18
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 239000000498 cooling water Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 7
- 230000005674 electromagnetic induction Effects 0.000 claims description 7
- 238000003754 machining Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 241000446313 Lamella Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003031 feeding effect Effects 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 238000007648 laser printing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 239000013028 medium composition Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- B22F12/20—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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- 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
- B22F12/49—Scanners
-
- 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
- B22F12/53—Nozzles
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (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；It is arranged on the powder feeding component below the lens subassembly, the powder feeding component includes the first circular arc component of the barrel assemblies and barrel assemblies connection being vertically arranged and the first cone component of the first circular arc component connection successively from top to bottom, the first circular cone component includes interior movable supporting board and outer movable supporting board, and powder guiding gutter is machined with the inwall of the outer movable supporting board；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 are internally provided with powder guiding gutter in the outer movable supporting board of cone component, so powder is focused on laser machining centre, so as to improve the Forming Quality of workpiece.
Description
Technical field
The present invention relates to quick manufacture field devices, and in particular to a kind of coaxial powder-feeding dress for 3D printing metal works
Put.
Background technology
3D printer (3D Printers), 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 printing jointing material 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 appoint from computer graphics data 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 to convert the complicated 3D bodies of required Forming Workpiece by slicing treatment to be 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 of computer controls, 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 metal works are manufactured 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
Rapid solidification forms the shape of 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, it is impossible to focus on the focus of laser well, therefore the Forming Quality of workpiece can be influenceed by serious.
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 powder in the prior art can not well focus on the problem of laser spot.
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 and the barrel assemblies connection the first circular arc component and the first circular arc component connection the first cone
Component, the first circular cone component includes interior movable supporting board and outer movable supporting board, is processed on the inwall of the outer movable supporting board
There is powder guiding gutter；
The powder feeding component external is provided with cooling water cavity component.
Preferably, the shape for being shaped as being transitioned into from Inner arc external arc of the first circular arc component.
Preferably, the first circular arc component includes internal circular arc wallboard and outside circular arc wallboard.
Preferably, the interior movable supporting board is hinged with the internal circular arc wallboard, the outer movable supporting board and the outside
Circular arc wallboard is hinged.
Preferably, the cross sectional shape of the powder guiding gutter is circular arc.
Preferably, 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.
Preferably, lift adjustment cylinder movable up and down is provided with below the first circular cone component.
Preferably, the lift adjustment cylinder is slidably in contact with the outer surface of outer movable supporting board.
Preferably, the taper of the first circular cone component is adjusted in the range of 20-40 degree.
The present invention also provides a kind of 3D printing device, including：
Laser beam modulation head assembly, including lens subassembly and any one of claim 1 to 9 institute being arranged on below the lens subassembly
The coaxial powder feeding apparatus stated；
The laser beam modulation head assembly lower periphery is provided with electromagnetic assembly, the electromagnetic assembly includes multiple electromagnetic induction lines
Circle, electromagnetic shielding component is provided with the electromagnetic induction coil top..
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 includes the first circular arc component of the barrel assemblies that are vertically arranged and barrel assemblies connection and described successively from top to bottom
First cone component of the first circular arc component connection, the first circular cone component includes interior movable supporting board and outer movable supporting board,
Powder guiding gutter is machined with the inwall of the outer movable supporting board；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 are internally provided with powder and lead in the outer movable supporting board of cone component
Chute, so can more easily make powder focus on laser machining centre, so as to improve the Forming Quality of workpiece
In a kind of preferred mode, the shape of the circular arc component of the coaxial powder feeding apparatus that the present invention is provided is from Inner arc mistake
The shape to external arc is crossed, then such powder enters back into the first circle by the Inner arc shape transition to cylindrical arc shape
In cone component, enable to that metal dust more relaxes during conveying is transitioned into taper and focuses on fortune from vertical motion
It is dynamic, so as to reach more stable uniform powder feeding effect, improve Workpiece shaping quality.
The 3D printing device that the present invention is provided, is provided with electromagnetic shielding component, electromagnetic shielding component on electromagnetic assembly
Powder can be prevented during ejection, the direction of motion is subject to the harmful effect of magnet coil, so as to ensure that powder can be more
Working region is equably sprayed, laser spot is reached, so as to improve the Forming Quality of workpiece.
Brief description of the drawings
A kind of schematic diagram of the implementation method of 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；
Fig. 3 is the schematic cross-section of the outer movable supporting board of cone component in the present invention；
The schematic diagram of the 3D printing device that Fig. 4 is provided for the present invention.
Specific embodiment
Accompanying drawing 1 is referred to, the present invention provides a kind of schematic diagram of implementation method of coaxial powder feeding apparatus, including lens group
Part, including lens carrier 301 and the collector lens 302 that is horizontally arranged on the lens carrier, the effect of collector lens is
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 with powder conduit road 401c between inner tube wall and outer tube wall,
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, the effect for setting protection eyeglass is that the powder that can prevent Stimulated Light from heating flies up so as 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 and bursts.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
The circular arc wallboard 601c and external arc wallboard 601d of outer tube wall connection, metal dust enters into first between inside and outside cylindrical wall
In circular arc component.
The bottom of the first circular arc component is provided with the first circular cone 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 fixation 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.Please referring also to Fig. 3, be the schematic cross-section of outer movable supporting board (in figure only
Outer cylinder and outer movable supporting board are shown), on the inner side of outer movable supporting board, powder guiding gutter 901 is machined with, by the powder
Guiding gutter, can cause that powder is more easily focused on to laser spot such that it is able to improve Workpiece shaping quality.
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, allow powder more relaxes moves to 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
It is interior movable supporting board or outer movable supporting board and angle formed by vertical axial direction.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, lift adjustment cylinder and the outer surface of 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, different positions are focused on by powder.
Fig. 4 is referred to, is the schematic diagram of the 3D printing device that the present invention is provided, specifically include laser beam modulation head assembly, it is described to swash
Head assemblies include lens subassembly 101 and the powder feeding component 102 below the lens subassembly.In the laser beam modulation head assembly bottom
Electromagnetic assembly 202 is provided with, the electromagnetic assembly includes multiple electromagnetic induction coils 203, and the electromagnetic induction coil is by multigroup
The symmetrical copper coil being wrapped in outside iron core composition.By the electromagnetic induction coil so that laser work region, that is, set
Laser work zone moment on workpiece 206 on workbench 205 is in the center in magnetic field, the size of magnet coil and turns
Dynamic speed is adjustable, so as to reach different electromagnetism intensities.Further, in order to avoid magnet coil produces shadow to metal dust
Ring, the barricade 204 for having annular shape is horizontally disposed with above magnet coil.By the barricade, can be electromagnetic shielding
To beyond powder, such powder would not be affected in course of conveying, so as to improve the Forming Quality of workpiece.The present invention exists
It is provided with electromagnetic shielding component above electromagnetic assembly, during electromagnetic shielding component can cause to prevent the ejection of powder, receives
To the harmful effect of magnet coil, so as to ensure the working region that is ejected into that powder can be evenly, the shaping matter of workpiece is improved
Amount.
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 includes the first circular arc component of the barrel assemblies that are vertically arranged and barrel assemblies connection and described successively from top to bottom
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 round platform component for being shaped as being transitioned into from Inner arc cylindrical arc shape on the top of cone component, and powder is by described
Round platform component is entered back into the first circular cone component, enable to that metal dust more relaxes during conveying from fortune vertically
It is dynamic to be transitioned into taper focus movement, so as to reach more stable uniform powder feeding effect, improve Workpiece shaping quality.
The above is only the preferred embodiment of the present invention, these preferred embodiments are only of the invention a kind of exemplary saying
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
Should be regarded as protection scope of the present invention.
Claims (10)
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
First cone component of the first circular arc component and the first circular arc component connection of cartridge module and barrel assemblies connection,
The first circular cone component includes interior movable supporting board and outer movable supporting board, and powder is machined with the inwall of the outer movable supporting board
Guiding gutter；
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 is shaped as
The shape of external arc is transitioned into from Inner arc.
3. coaxial powder feeding apparatus according to claim 2, it is characterised in that the first circular arc component includes internal circular arc wallboard
With outside circular arc wallboard.
4. coaxial powder feeding apparatus according to claim 3, it is characterised in that the interior movable supporting board and the internal circular arc
Wallboard is hinged, and the outer movable supporting board is hinged with the outside circular arc wallboard.
5. coaxial powder feeding apparatus according to any one of Claims 1-4, it is characterised in that the boundary of the powder guiding gutter
Face is shaped as circular arc.
6. coaxial powder feeding apparatus according to claim 5, 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.
7. coaxial powder feeding apparatus according to claim 6, it is characterised in that set below the first circular cone component
There is lift adjustment cylinder movable up and down.
8. coaxial powder feeding apparatus according to claim 7, it is characterised in that the lift adjustment cylinder and outer movable supporting board
Outer surface is slidably in contact.
9. coaxial powder feeding apparatus according to claim 8, it is characterised in that the taper of the first circular cone component is in 20-
Adjusted in the range of 40 degree.
10. a kind of 3D printing device, it is characterised in that including：
Laser beam modulation head assembly, including described in lens subassembly and any one of claim 1 to 9 that is arranged on below the lens subassembly
Coaxial powder feeding apparatus；
The laser beam modulation head assembly lower periphery is provided with electromagnetic assembly, the electromagnetic assembly includes multiple electromagnetic induction coils,
The electromagnetic induction coil top is provided with electromagnetic shielding component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207815.0A CN106825571B (en) | 2017-03-31 | 2017-03-31 | A kind of coaxial powder feeding apparatus for 3D printing metal works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207815.0A CN106825571B (en) | 2017-03-31 | 2017-03-31 | A kind of coaxial powder feeding apparatus for 3D printing metal works |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106825571A true CN106825571A (en) | 2017-06-13 |
| CN106825571B CN106825571B (en) | 2018-03-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710207815.0A Expired - Fee Related CN106825571B (en) | 2017-03-31 | 2017-03-31 | A kind of coaxial powder feeding apparatus for 3D printing metal works |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250702A (en) * | 2020-03-27 | 2020-06-09 | 中国商用飞机有限责任公司 | Powder feeding nozzle for laser directional energy deposition |
| CN113319426A (en) * | 2021-05-20 | 2021-08-31 | 华中科技大学 | Laser powder filling device and method for laser welding seam reinforcement |
| CN116277984A (en) * | 2023-05-22 | 2023-06-23 | 成都飞机工业（集团）有限责任公司 | Detection method, system and equipment for powder feeding type 3D printing head protective mirror |
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| CN104178763A (en) * | 2013-05-24 | 2014-12-03 | 中国科学院力学研究所 | Laser coaxial cladding powder feeding head |
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| CN113319426A (en) * | 2021-05-20 | 2021-08-31 | 华中科技大学 | Laser powder filling device and method for laser welding seam reinforcement |
| CN113319426B (en) * | 2021-05-20 | 2022-06-17 | 华中科技大学 | Laser powder filling device and method for laser welding seam reinforcement |
| CN116277984A (en) * | 2023-05-22 | 2023-06-23 | 成都飞机工业（集团）有限责任公司 | Detection method, system and equipment for powder feeding type 3D printing head protective mirror |
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