CN105903962B - Bulk alloy preparation system, preparation method and applications - Google Patents
Bulk alloy preparation system, preparation method and applications Download PDFInfo
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- CN105903962B CN105903962B CN201610415101.4A CN201610415101A CN105903962B CN 105903962 B CN105903962 B CN 105903962B CN 201610415101 A CN201610415101 A CN 201610415101A CN 105903962 B CN105903962 B CN 105903962B
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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
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/58—Means for feeding of material, e.g. heads for changing the material composition, e.g. by mixing
-
- 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
- B22F12/20—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
- B22F12/53—Nozzles
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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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The present invention relates to a kind of bulk alloy preparation systems, it includes a powder and quantifies module and a laser melting forming module, the powder quantify module with ultrasonic vibration powder quantitative manner obtain it is predetermined needed for quality at least one metal powder, and convey obtained metal powder and enter and melting cooling is carried out in laser melting forming module.The present invention also provides a bulk alloy preparation methods, and the metal powder of predetermined required quality and type is obtained with ultrasonic vibration powder quantitative manner, melting cooling is carried out to the metal powder of the predetermined quality and type, obtains required bulk alloy.Bulk alloy preparation system provided by the present invention and preparation method thereof, the required time is shorter compared with prior art, therefore can improve the efficiency for preparing bulk alloy.The present invention also provides a kind of application of bulk alloy preparation system, using the bulk alloy preparation system can obtain special component, structure bulk alloy.
Description
【Technical field】
The present invention relates to metal 3D printing fields, and in particular to a kind of bulk alloy preparation system, preparation method and its should
With.
【Background technology】
Metal 3D printing is a kind of based on digital model file, and raw material can be bonded with powdery metal conduct,
Carry out the technology of constructed object by layer-by-layer printing.A variety of different metal powder of high-purity is first are pressed by its general step
Certain ratio mixing prepares required metal mother's ingot, then female ingot is melt into liquid simultaneously by the mode for melting and repeatedly melting again
Nozzle is sent into, and cooling device is ejected to by nozzle, to obtain required bulk alloy.
But during existing metal 3D printing technique prepares bulk alloy, required block can not be quickly prepared
Material alloy.It would therefore be highly desirable to provide a kind of metal 3D printing technique that can be achieved quickly to prepare bulk alloy.
【Invention content】
To overcome current bulk alloy preparation efficiency low, the present invention provides a kind of bulk alloy preparation system, preparation method
And its application.
The technical solution of the present invention to solve above-mentioned technical problem is to provide a kind of bulk alloy preparation system, including
Powder for two or more metal powder quantitative powder outlets quantifies module, laser melting forming module and is arranged between powder
End mixing and conveyor module, the powder quantify two kinds that module obtains predetermined required quality with ultrasonic vibration powder quantitative manner
More than metal powder, and be delivered in the powder mixing and conveyor module, using static rotary fluid mode, so that gas band
Move two or more metal powders do simultaneously radially and tangentially movement mixed after, into the laser melting forming module, institute
State laser melting forming module powder is quantified module conveying metal powder carry out melting cooling, with obtain needed for bulk close
Gold.
Preferably, the powder quantifies module and includes providing ultrasonic vibration powder quantitative powder proportioning device, the powder
Last proportioning device includes ultrasonic vibration capillary, and the vibration frequency of the powder proportioning device is 3.125Hz~3200Hz.
Preferably, the laser melting forming module includes a nozzle, laser equipment and former, the nozzle and institute
State powder quantify module or the powder mixing connected with conveyor module, the nozzle be used for spray two or more metal powders,
The laser equipment is used to melt the metal powder of nozzle ejection, and the former includes workbench and is set to workbench
Several of lower section can be passed through the thermal conductive pipe of cooling material, after the former on workbench for cooling down the melting
Metal powder and bulk alloy needed for obtaining.
Preferably, the workbench is multiple, and rate of temperature fall is different between different workbenches.
Preferably, the workbench sets the substrate for carrying bulk alloy；When the substrate is multiple, Duo Gesuo
Substrate is stated to be separately positioned on a workbench；Or when the substrate is one, then the substrate is arranged on multiple described
On workbench；Or when the substrate is one, then the substrate is correspondingly arranged with the workbench.
The another technical solution of the present invention to solve above-mentioned technical problem is to provide a kind of bulk alloy preparation method, wraps
Include following step：Two or more metal powders is provided；With ultrasonic vibration powder quantitative manner obtain it is predetermined needed for quality and
Metal powders more than two types, and using static rotary fluid mode, so that gas drives two or more metal powders simultaneously
It does radially and tangentially movement and carries out mixing acquisition mixed metal powder, melting cooling is carried out to the mixed metal powder, is obtained
Required bulk alloy.
Preferably, the delivered dose of ultrasonic vibration is 2~160 μ g/ times in the ultrasonic vibration powder quantitative manner, ultrasound
The frequency of vibration is 3.125Hz~3200Hz.
The another technical solution of the present invention to solve above-mentioned technical problem is to provide a kind of answering for bulk alloy preparation system
With bulk alloy preparation system as described above is used to prepare multiple bulk alloys on a substrate；Multiple bulks close
Gold is prepared by the identical metal powder of the laser heating molten component ratio of different laser powers or multiple bulks close
Gold is prepared by the different metal powder of the laser heating molten component ratio of same laser power.
Preferably, the same bulk alloy is by multiple layers of structure composition, and multiple layer structures are by different laser powers
The identical metal powder of laser heating molten component ratio be prepared or multiple layer structures are by same laser power
Laser heats the different metal powder of molten component ratio and is prepared.
Relative to the prior art, in bulk alloy preparation system provided by the present invention and preparation method thereof, using ultrasound
Vibration powder quantitative manner can be quickly obtained the metal powder of predetermined required component ratio, further using laser melting shaping mould
Block carries out the metal powder of the predetermined quality and type melting cooling, the combinations of two steps compared to traditional cutter and
It is shorter the time required to the multi-step process such as fixture, therefore the efficiency for preparing bulk alloy can be improved.
In bulk alloy preparation system provided by the present invention, further comprise using static rotary fluid mode to two kinds
The powder mixing and conveyor module that more than metal powder is mixed, and powder mixing and conveyor module are arranged on the powder
End is quantitative between module and the laser melting forming module, such setting, can further to using ultrasonic vibration mode into
Metal powder after row is quantitative can be carried out after mixing fully, entered back into the laser melting forming module and carried out melt molding behaviour
Make, so as to avoid metal powder mixing uneven and the quality and its performance of bulk alloy made of influencing.
In bulk alloy preparation system provided by the present invention, further comprise using a former and pass through setting can
The thermal conductive pipe of cooling material is passed through, to improve the controllability of the rate of temperature fall of the former.
The application of bulk alloy preparation system provided by the present invention can be prepared on a substrate with heterogeneity ratio
Bulk alloy or bulk alloy is prepared by the laser melting of different laser powers, prepare bulk alloy so as to fulfill high throughput,
The Efficiency of bulk alloy material can also be improved.
【Description of the drawings】
Fig. 1 is the structure diagram for the bulk alloy preparation system that first embodiment of the invention provides.
Fig. 2 is another structure diagram of bulk alloy preparation system provided by the present invention.
Fig. 3 A are static rotating fluidized bed structure of reactor figures in bulk alloy preparation system provided by the present invention.
Fig. 3 B are the structure of reactor figures of another embodiment of static rotating fluidized bed shown in Fig. 3 A.
Fig. 4 A, Fig. 4 B are that multiple powder mixing devices, powder are defeated in bulk alloy preparation system provided by the present invention
Send device and the schematic diagram of nozzle connection relation.
Fig. 5 A are the structure diagrams of former in bulk alloy preparation system provided by the present invention.
Fig. 5 B are along the diagrammatic cross-section in B-B directions shown in Fig. 5 A.
Fig. 6 A are the signals of the first specific embodiment of the bulk alloy preparation system that first embodiment of the invention provides
Figure.
Fig. 6 B are the signals of the second specific embodiment of the bulk alloy preparation system that first embodiment of the invention provides
Figure.
Fig. 6 C are the signals of the third specific embodiment for the bulk alloy preparation system that first embodiment of the invention provides
Figure.
Fig. 7 is the flow diagram of second embodiment of the invention bulk alloy preparation method.
【Specific embodiment】
In order to make the purpose of the present invention, technical solution and advantage are more clearly understood, below in conjunction with attached drawing and embodiment,
The present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
As shown in Figures 1 and 2, first embodiment of the invention provides a kind of bulk alloy preparation system 10, including
Powder quantifies module 11, powder mixing and dispatching module 12, laser melting forming module 13, environmental control module 14, post processing
Module 15 and control module 16.Wherein, the connection of control module 16 control powder quantifies module 11, the powder mixes
It closes and dispatching module 12, the laser melting forming module 13, the environmental control module 14 and the post-processing module 15.
In the present invention, the powder quantifies module 11 for setting the required at least one metal powder for preparing bulk alloy
Last dosage can specifically carry out the ingredient of the bulk alloy at least one metal powder quick accurate quantification analysis, and
Quantitative powder is dispensed according to setting fixed point.In the present invention, the powder quantify module 11 can synchronization settings multiple ingredients
Bulk alloy parameter prepares required bulk alloy convenient for high throughput.
The powder quantifies module 11 and includes the powder variation setting module 111 of connection and modeling presetting module 112.Its
In, for setting amount of powder change programme, the modeling presetting module 112 is used to model the powder variation setting module 111
And the spraying path of the setting laser melting forming module.Specifically, the powder variation setting module 111 and modeling are default
Module 112 according to every physical attribute of preset powder sort, powder, can quantitatively obtain each powder variable quantity,
The parameters such as initial powder outlet quantity.The bulk alloy preparation system 10 designs and produces 3D printing CAD according to material sample library first
(Compyter Aided Design, CAD) model generates STL (Stereo Lithography, photocuring
Stereo shaping) file, then (Computer Aided Manufacturing, computer-aided manufacturing utilize numerical control machine by CAM
Bed control tool motion, completes part manufacture) model layers in the stl file of above-mentioned generation are converted into 2D thin slices by software,
The bulk alloy preparation system 10 can automatically generate the machining path into row metal 3D printing.
The powder quantifies module 11 and further comprises powder proportioning device 113, the powder proportioning device 113 include but
It is not only restricted to：Scrape suction dust feeder, sound wave/ultrasound dust feeder, electrostatic valve dust feeder, electrostatic suction pipe powder proportioning device
Any one in.
Quality and type needed for making a reservation in the present invention in some preferred embodiments, in the powder proportioning device 113
Metal powder quantitative conveying be using ultrasonic vibration capillary as core high-precision Powder Delivery system realize.The powder
Proportioning device 113 can quantify module 11 according to the powder and set and provide corresponding powder outlet quantity, realize powder sending quantity for microgram extremely
The quantitative powder feeding per minute of gram quantity grade,
Specifically, in the powder proportioning device 113, metal powder in a manner of ultrasonic vibration to high-precision powder into
Row delivering, wherein, the delivered dose of ultrasonic vibration is 2~160 μ g/ times, and the selection of specific delivered dose can shake according to ultrasound
Dynamic amplitude is related.In the powder proportioning device 113, the ultrasonic vibration frequency is 3.125Hz~3200Hz, and ultrasound is shaken
The selection of dynamic frequency is related to the weight, metal powder particle size and conveying speed of single conveying metering.The ultrasonic vibration
Frequency also may further be 3.125Hz~32Hz, 33.5Hz~100Hz, 100.2Hz~500Hz, 521Hz~1100Hz,
1151Hz~1532Hz, 1541Hz~2001Hz, 1541Hz~2001Hz, 2110Hz~2560Hz or 2700Hz~3200Hz
Deng.
The powder mixing is used for mixing, dispersion and the conveying of metal powder with dispatching module 12.Specifically, the powder
Mixing is connect with dispatching module 12 with the laser melting forming module 13, for being provided for the laser melting forming module 13
Set at least one metal powder of dosage.As shown in Figure 2, the powder mixing mixes dress with dispatching module 12 including powder
Put 121 and powder conveying device 122.The present invention some preferably in embodiment, the powder conveying device 122 can be by pipe
Road is substituted, and the powder mixing device 121 can be directly connected to the laser melting forming module 13 or the powder mixes
Attaching together to put sets multiple pipelines to connect between 121 and the laser melting forming module 13.
The laser melting forming module 13 includes an at least laser equipment 131, at least a nozzle 132, a supporting rack 133
And a former 134, it is connected between the nozzle 132 and support frame as described above 133 by a sliding shoe (not shown), it is described
Supporting rack 133 is arranged on 134 side of former.The control module 16 controls the laser equipment 131.Institute
It states sliding shoe to be controlled by the control module 16, the sliding shoe drives the nozzle 132 relative to the former 134
X-axis, Y-axis and Z-direction movement, so as to fulfill metal powder 3D printing operate.
The metal powder for being sent into the laser melting forming module 13 with dispensing module 12 by powder mixing enters institute
It states in nozzle 132, the nozzle 132 can be moved according to the path of computer settings, and needed for specified position ejection
Type and quantitative metal powder, while metal powder sprays, the laser equipment 131 is by laser by designated position
The metal powder carries out laser sintered.The nozzle 132 successively sprays metal powder, the cooperation of laser equipment 131 movement
And carry out it is laser sintered, so as to successively printing required form.The nozzle 132 mixes and dispatching module 12 with the powder
Between connected by pipeline (non-label), the laser equipment 131 matches setting with an at least nozzle 132.
Preferably, the nozzle 132 can be equipped at least one access port (not shown), the quantity of access port can be 1,
2,3,4 and 5 etc..
Wherein, in the laser melting forming module 13, the laser spectrum that the laser equipment 131 is sent out is ranging from
800nm-1300nm, the power of the laser equipment 131 are 50W-20kW, the light of laser caused by the laser equipment 131
Spot diameter size is 0.1 μm of -1mm.Further, the power of the laser equipment 131 is 60W-14kW.In the present invention,
By to the spectrum of laser, power and spot diameter produced by laser equipment 131 described in the laser melting forming module 13
It is defined, can more be accurately controlled the printing of the laser melting forming module 13.
Wherein, for the restriction of the spot diameter of the laser, it is ensured that when preparing multiple bulk alloys, prepare each
, will not be excessive due to hot spot during bulk alloy, and the bulk alloy of arranged adjacent is impacted.
The mode specifically printed is as follows：Single sample can realize independent ingredient and work in discrete bulk alloy sample library
Skill state modulator；Or sample composition combination and thermodynamics process combination can be carried out by printing layered, polynary conjunction is realized with this
The preparation of metallograph bulk alloy.In some embodiments of the invention, the former 134 is that can be passed through liquid nitrogen, argon gas
Silver, copper or other super heat conduction materials can be used in heat superconducting pedestal, such as former 134.
The environmental control module 14 is connect with the laser melting forming module 13, the environmental control module 14 into
One step includes the babinet (not shown) of a controllable environment temperature, and environment temperature, wet is equipped in the babinet of the controllable environment temperature
The monitoring system of degree, cleanliness factor etc..The environmental control module 14 can realize the running to the laser melting forming module 13
The regulation and control of the environmental factors such as air pressure, environment temperature, reaction atmosphere, to obtain optimal reaction environment.Specifically, the environment control
Molding block 14 is monitored the environment temperature, humidity, cleanliness factor of the bulk alloy preparation system 10 and passes monitoring data
The control module 16 is given, the control module 16 controls the institute in the laser melting forming module 13 according to monitoring data
State laser equipment 131 and the former 134.
In some embodiments of the invention, the control module 16 controls the environmental control module 14, to realize to institute
State being precisely controlled for environmental control module 14.The environmental control module 14 can be additionally used in being sprayed not by the nozzle 132
The powder reacted is stored, in order to which in print next time, the powder not reacted can be recycled.
The post-processing module 15 is used for being produced by the laser melting forming module 13 treated metal 3D printing
Product are post-processed, such as polishing, sandblasting, colouring operation, are produced so as to obtain the metal 3D printing with more excellent surface property
Product.
In some of the invention special embodiments, if desired for preparing the production with special layers structure and crystalline state characteristic
Product can be used bulk alloy preparation system 10 provided by the present invention and be prepared.As in the bulk alloy preparation system 10
It may include the combination of multiple dismountable powder mixing devices 121 and powder conveying device 122, wherein, described in the first combination
Equipped with metal powder aluminium in powder mixing device 121, metal powder is housed in powder mixing device 121 described in the second combination
The mixture of copper and metal powder nickel, equipped with metal powder copper, metal powder in powder mixing device 121 described in third combination
The mixture of titanium and metal powder nickel.Dismountable powder mixing device 121 gradually will with identical static rotary fluid parameter
Metal powder is mixed and is sent into the nozzle 132 being correspondingly arranged, and the nozzle 132 is controlled and is moved to by the control module 14
Designated position, according to the sequence of program setting, the laser equipment 131 is while the nozzle 132 sprays metal powder, production
The raw laser with certain hot spot and watt level, melts so as to which metal powder be made to be heated by laser, at the same time, it is described into
Type equipment 134 cools down rapidly, and reaches certain rate of temperature fall, makes to heat molten metal powder rapid shaping by laser,
And form crystalline state or amorphous bulk alloy, you can obtain the controllable bulk alloy of crystalline state.
As it can be seen that using bulk alloy preparation system 10 provided by the present invention, can produce to fast precise arbitrarily complicated
The part of shape, and the supply of powder can be accurately controlled, the combination and variation of different metal are realized in time processing, also
The accurate proportioning of different metal powder can be achieved, realize local special metal supply, so as to realize that high throughput prepares bulk conjunction
Gold improves the flux of experiment and the efficiency of research and development of bulk alloy material.
The powder mixing device 121 may include several fluid beds or centrifuge.As shown in fig. 3, in the present invention
The fluid bed is preferably static rotating fluidized bed 1210.The static state rotating fluidized bed 1210 includes a cylindrical tube, and
The cylindrical tube bottom is a cone.Along at least one metal powder of the radial direction equidistantly distributed of the cylindrical tube
Last entrance 1202 and several gas accesses 1201, it is preferable that the metal powder entrance 1202 and the gas access
1201 equidistant alternate intervals distributions.When the static rotating fluidized bed 1210 is when being injected using single metal powder, then such as schemes
Shown in 3A, the quantity of the metal powder entrance 1202 is one；And when the static rotating fluidized bed 1210 is for more
During kind metal powder mixing, then as shown in Figure 3B, the static state rotating fluidized bed 1210 further comprises three metal powders
Entrance 1202.
Gas drives metal powder to do simultaneously and radially and tangentially moves in the static rotating fluidized bed 1210, specifically
Ground, the tangential motion of gas generate metal powder tangential forces and metal powder are driven to do tangential rotary motion so as to make gold
Belong to powder to be acted on by outside centrifugal force, and the metal to rotate is formed in the periphery of the static rotating fluidized bed 1210
Powder bed (as shown in A in Fig. 3 A)；Metal powder is generated by gas radial motion and is directed toward the static rotary fluid
The radial forces at 1210 centers of bed, and when active force is more than centrifugal force, metal powder will obtain radially fluidizing.It is described quiet
A diameter of 0.2m-0.5m of state rotating fluidized bed 1210.Using static rotating fluidized bed 1210, it can be achieved that two kinds and more than metal
The accurate mixing of powder.
In some preferred embodiments of the invention, in the static state rotating fluidized bed 1210, multiple metal powders
Entrance 1202 can be to be set with height, and the metal powder entrance 1202 with height setting can realize the water of various metals powder
Flat injection, further by controlling flow and powder feed rate etc., it can be achieved that effective mixing of various powders.Of the invention another
In some outer embodiments, in the static state rotating fluidized bed 1210, can also be between multiple metal powder entrances 1202
Different height is set, and the selection of 1202 height of metal powder entrance can be determined according to the quality of the metal powder of injection, such as
The quality of metal powder is bigger, then the height of the metal powder entrance of its injection powder is higher, so as to avoid with different quality
Powder can not be sufficiently mixed and be uniformly dispersed due to weight differential.
In the present invention, in order to realize the accurate laser sintered of various metals powder, then multiple tools can be selected according to demand
There are a variety of static rotating fluidized beds 1210 of quantity and the different metal powder entrance 1202 of distributing position, to obtain optimal gold
Belong to powder mixing and dispersion effect.
In the present invention, in order to obtain optimal metal powder mixing dispersion effect, then the static rotating fluidized bed
1210 load air flow rate is 1.0L/min~15L/min, and the granularity of metal powder is more preferably 20 μm~200 μm, the gold
The conveying capacity for belonging to metal powder in powdering inlet 1202 is 0.1g/min~30g/min.Further, the static rotation
The load air flow rate of fluid bed 1210 is 1.3L/min~10L/min, and the granularity of metal powder is more preferably 50 μm~200 μm,
The conveying capacity of metal powder is 0.5g/min~25g/min in the metal powder entrance 1202.
Wherein, the carrier gas ingredient in the static rotating fluidized bed 1210 is not limited, and is more preferably inert gas, such as nitrogen
Gas, argon gas etc. in some preferably embodiment, can also support polynary gas carrier to protect in the static state rotating fluidized bed 1210
Shield.
It is mixed in the powder with dispensing in module 12, metal powder is mixed by carrier gas and by the pipeline inflow powder
In device 121, the laser melting forming module 13 is delivered to by gas circuit after quickly being mixed via turbulent flow.
The powder mixing is with dispensing in module 12, by the powder mixing device 121 and the powder dispenser 122
It is used in combination, metal powder mixed effect can be effectively improved, after can effectively the smaller metal powder of grain size be broken up, make it one
It is transmitted under fixed speed and vibration frequency, metal powder will not reunite again in this course.
In some embodiments of the invention, the powder mixing device 121 can directly be connect with the nozzle 132, described
Nozzle 132 is spraying by the 121 mixed metal powder of powder mixing device.
As shown in Figure 4 A, in other specific embodiment of the present invention, the powder mixing and dispatching module 12a
It may include several powder mixing devices 121a and several powder conveying devices 122a, the powder mixing device 121 and institute
State powder conveying device 122a connections.As shown in Figure 4 A, the present invention some preferably in embodiment, the powder mixing dress
121 are put with the powder conveying device 122a to be arranged in a one-to-one correspondence, multiple powder conveying device 122a are further with one
Nozzle 132a connections, it can be achieved that spray one or more metal powders simultaneously by the nozzle 132a.In the other reality of the present invention
It applies in example, multiple powder conveying device 122a can also be connect with a nozzle 132a, and the nozzle 132a may include described
One metal powder selection device (not shown) can be also set between nozzle 132a and multiple powder conveying device 122a,
In, the metal powder selection device can be used for control from one or more powder conveying device 122a toward the nozzle
Conveying metal powder in 132a.
In other specific embodiment of the present invention, the powder mixing only includes a powder with dispatching module 12b
Last mixing arrangement 121b, it is preferable that as shown in Figure 4 B, the powder mixing device 121b includes four gold with height setting
Belong in powdering inlet 1202b, the metal powder entrance 1202b and be passed through metal powder aluminium, metal powder nickel, metal powder successively
Last copper, metal powder titanium, the particle size of above-mentioned metal powder meet 20~200 μm of requirement.The powder mixing device
121b is connect with a powder conveying device (not shown), a nozzle (not shown), it can be achieved that exporting powder after mixing in real time, specifically
Ground when needing copper-aluminum alloy powder, is passed through the metal powder of appropriate ratio in the wherein two metal powder entrance 1202b
Last copper and metal powder aluminium, into the powder mixing device 121b in carry out mixing dispersion after, by mixed metal powder
It is exported via the powder conveying device, a nozzle to the former 134.When the system for completing above-mentioned copper aluminium block material alloy
After standby, the position of the nozzle is adjusted, above-mentioned input metal powder, metal powder mixing, conveying is repeated, can carry out
A kind of preparation of lower bulk alloy.Due to the special structure settings of the powder mixing device 122b, enter the powder
The metal powder mixed in mixing arrangement 122b is less prone to residual, so as to ensure the precision of bulk alloy preparation.
The above-mentioned cited embodiment of the present invention is applicable in the preparation process of bulk alloy of heterogeneity, above-mentioned reality
Mode is applied only as illustrating, is not intended as the restriction of the present invention.
As shown in Fig. 5 A- Fig. 5 B, in one of the invention preferably embodiment, the former 134 includes a shell
Body 1342, workbench 1340 and several conductive conduits 1341.The housing 1342 be a hollow cavity, the workbench 1340
For 1,342 1 surface of housing.The conductive conduit 1341 is located under the workbench 1340, and is arranged in parallel in housing
In 1342, and through 1342 opposite end of housing.Between 1342 inner wall of the thermal conductive pipe 1341 and the housing
The packing material 1343 in gap.The metal powder is molded in the wherein one side of housing 1342 and forms required bulk alloy.
Wherein, the material of the housing 1342 can be that surface is coated with nickel or the copper of other metals, wherein, it is plated in copper surface
Nickel and other metal layers can play the role of isolation, and the housing 1342 is prevented to be damaged in laser heats melting process.
Can be passed through cooling material in the thermal conductive pipe 1341, the cooling material can be liquid nitrogen, argon gas, carbon dioxide or
Any one of ammonia etc..In order to obtain more preferably heat-conducting effect, the thermal conductive pipe 1341 is made of high intensity material, such as
High strength steel etc..
The shape of the thermal conductive pipe 1341 can be the combination of one or more of linear type, snake type or broken line type.Such as
Shown in Fig. 5 A- Fig. 5 B, the thermal conductive pipe 1341a is snake type, the thermal conductive pipe 1341b is linear type, described leads
Hot channel 1341c is broken line type and the thermal conductive pipe 1341d is linear type.The special shape of the thermal conductive pipe 1341 is set
Meter, it is possible to increase the area that cooling material is contacted with the housing 1342, so as to be conducive to liquid nitrogen, argon gas, carbon dioxide or ammonia
After cooling materials is waited to be passed through the thermal conductive pipe 1341, more preferably cooling-down effect, and further make cooling extent and its frequency is obtained
Rate is more stable.
Particularly, in the present invention, it in order to obtain the adjustable bulk alloy of crystalline state, needs to the former 134
It is further to limit.
In bulk alloy preparation system 10 provided by the present invention, the rate of temperature fall of the former 134 with it is described
The flow (such as the intake of cooling material unit interval and be passed through rate) for the cooling material being passed through in thermal conductive pipe 1341 is into just
Than.By controlling the flow control rate of temperature fall size of cooling material, the multistage cooling of the former is realized.
Include in some embodiments of the invention, in the housing 1,342 at least three side by side the described of spaced set lead
Hot channel 1341, the flow of cooling material and the relationship of rate of temperature fall are as follows：
When such as using liquid nitrogen as cooling material, the total flow that the liquid nitrogen is passed through the thermal conductive pipe 1341 is preferably 20-
500L/min, specifically, when the flow that liquid nitrogen is passed through single heat conduction pipeline is specially 20L/min, the corresponding molding
The rate of temperature fall of equipment is 1 × 106k/s；When the flow that liquid nitrogen is passed through single heat conduction pipeline is specially 60L/min, correspond to
The former rate of temperature fall be 5 × 106k/s。
When such as using argon gas as cooling material, the total flow that the argon gas is passed through the single heat conduction pipeline 1341 is preferably
20-500L/min, specifically, when the flow that argon gas is passed through single heat conduction pipeline is 30L/min, the corresponding molding is set
Standby rate of temperature fall is 1.6 × 106k/s；When the flow that argon gas is passed through single heat conduction pipeline is 50L/min, corresponding institute
The rate of temperature fall for stating former is 4.6 × 106k/s；When the flow that argon gas is passed through single heat conduction pipeline is 100L/min,
The rate of temperature fall of its corresponding former is 1 × 107k/s。
Specifically, the class of cooling material being passed through in the thermal conductive pipe 1341 by adjusting the former 134
Type, dosage are passed through the conditions such as rate or parameter, and the former 134 in the laser melting forming module 13 can be carried
The rate of temperature fall of confession is regulated and controled, and so as to prepare required bulk alloy, such as has amorphous state bulk when prepared by needs
During alloy, the bulk alloy rapid cooling for making to prepare by laser heating melting is needed, rate of temperature fall is 1 × 106k/s
More than.In the present invention, using the former 134, and control the rate of temperature fall of the former 134 for 1 ×
106Laser heating molten metal powder is cooled and shaped the amorphous state bulk for required preparation by more than k/s on its workbench
Alloy can be passed through the thermal conductive pipe of cooling material by setting, to improve the controllability of the rate of temperature fall of the former, from
And by the regulation and control of rate of temperature fall, the required amorphous state bulk alloy prepared is obtained, realizes the system of the controllable bulk alloy of crystalline state
It is standby.The present invention some preferably in embodiment, in order to obtain the more preferably high-throughput method for preparing bulk alloy, the bulk
Alloy preparation system 10 can further comprise multiple formers 134, the rate of temperature fall of each former 134
Can be identical or differ.As in one embodiment, the bulk alloy preparation system 10 includes 4 moldings and sets
Standby 134, the rate of temperature fall of the former 134 is followed successively by 2 × 106k/s、1×107k/s、5×107K/s and 1 × 108k/s
Deng.In practical applications, the quantity of the former 134 included by the bulk alloy preparation system 10 and rate of temperature fall can roots
It accordingly increases or reduces according to the required requirement for carrying out high-throughput bulk alloy preparation.
Further, a former 134 includes a housing 1342, and multiple formers 134 then include more
A workbench 1340 positioned at 1,342 1 surface of housing, the rate of temperature fall between the different workbenches are different.It is described
Substrate for carrying bulk alloy can be set on workbench 1340, and multiple substrates are separately positioned on a workbench
On；Or when the substrate is one, then the substrate is arranged on multiple workbenches；Or when the substrate is one
When, then the substrate is arranged in a one-to-one correspondence with the workbench.
By above-mentioned setting, different rate of temperature fall can be formed on same substrate or different substrate, at one described piece
The bulk alloy with different crystalline state is prepared in material alloy preparation system 10, preparing bulk alloy for high throughput provides more
Selectable changing factor, so as to improve the applicability of bulk alloy preparation system of the present invention.
In the present invention in some preferred embodiments, selected laser equipment may include but be not only restricted to：ND/YAG
(Neodymium-doped Yttrium Aluminium Garnet, the yttrium-aluminium-garnet of neodymium-doped, laser spectrum 1060nm)
Laser, CO2Laser (laser spectrum 1060nm), Ca, Al, As laser (laser spectrum 850nm) or Ca, As swash
Any one of light device (laser spectrum 904nm).Generally, for existing common small-sized bulk alloy preparation system
In, the laser equipment that laser power is 50W, 100W, 400W or 1000W can be used.
Fig. 6 A- Fig. 6 C are please referred to, the present invention provides three kinds and uses the system that first embodiment of the invention is provided into row block
Specific embodiment prepared by material alloy, it is illustrated that the bulk that is provided using first embodiment of the invention of specific embodiment close
Prepared by golden preparation system, in the specific embodiment as shown in Fig. 6 A- Fig. 6 C, selected laser is CO2Laser
Device.
In the first specific embodiment, as shown in FIG, providing one has the substrate of groove of several transverse and longitudinals distribution
601, the substrate 601 is placed on the workbench 1340 of the former 134.Nozzle 132 is indulged to the substrate 601
The material of spraying mixing different proportion metal powder into the groove of arrangement, and carry out the melting chilling of identical laser power；
Nozzle 132 sprays the material of mixing same ratio metal powder into the groove laterally arranged of the substrate 601, and carries out
The melting chilling of different laser power.
Wink as needed for laser heating melting interior in often capable groove parallel with R1 directions in Fig. 6 A prepares bulk alloy
When laser power be followed successively by 4kW, 5.2kW, 8.4kW, 10.8kW and 12.8kW.In this embodiment, the laser light
Spot diameter size is 0.5 μm, and the speed of melting chilling is 2 × 106k/s。
In the second specific embodiment, as depicted in figure 6b, provide a substrate 602, present embodiment with it is above-mentioned
First specific embodiment difference lies in：Nozzle 132 sprays the strip shape body for forming array distribution, institute on the substrate 602
It states strip shape body and is successively sprayed by the nozzle 132 and formed.Wherein, be each arranged in the strip shape body on substrate 602 successively it
Between metal powder type and ratio can be identical or different, and melt chilling and form the laser power of each strip shape body and also may be used
To be identical or different, such as when in same strip body ingredient it is identical and when becoming laser power printing, then between different strip shape bodies into
Divide difference；And when ingredient difference in same strip body is printed with laser power, then become laser power between different strip shape bodies and beat
Print.
In third specific embodiment, as shown in figure 6c, provide a substrate 603, present embodiment with it is above-mentioned
First, second specific embodiment difference lies in：Successively melting is cooled into required shape on substrate 603 described in nozzle 132
The bulk alloy of shape, successively variable laser power becomes material composition printing in the bulk alloy formed, so as to be had
The bulk alloy of special component and characteristic performance.
Pass through above-mentioned first to third specific embodiment, it is known that, substrate (such as substrate 601, substrate 602 and the substrate
603) at least one bulk alloy can be set on；The different bulk alloys is by the laser equipment with different laser powers
The identical metal powder of molten component ratio be prepared or multiple bulk alloys by the laser equipment with same laser
The different metal powder of power molten component ratio is prepared.
The present invention some preferably in embodiment, the instantaneous power of the laser equipment can also further reach kW-MW
Rank.The instantaneous power of the laser equipment is bigger, then the time of laser melting same metal is then shorter, opposite laser melting
Thermal damage caused by pair generated material adjacent with the bulk alloy prepared or bulk alloy is then smaller, so as to make
The alloy cube matherial of preparation has more excellent architectural characteristic and mechanical characteristic.
The same bulk alloy on the substrate is arranged on by multiple layers of structure composition, multiple layer structures are by described
Laser equipment is prepared with the identical metal powder of different laser power molten component ratios or multiple layer structures are by institute
Laser equipment is stated to be prepared with the different metal powder of same laser power molten component ratio.
Further, the second embodiment of the present invention provides a kind of bulk alloy preparation method, including following step
Suddenly：
Step S101 sets amount of powder variation pattern；
Step S102, modeling and setting spraying path；
Step S103, powder is quantitative and mixes；
Step S104, powder output, laser melting, cooling and molding；
Step S105, the post processing of bulk alloy.
Wherein, the powder that above-mentioned step S101, step S102 are corresponded in first embodiment of the invention is quantified in module 11
Powder variation setting module 111 and modeling presetting module 112, above-mentioned step S103 corresponded in first embodiment of the invention
Powder quantify powder proportioning device 113 in module 11 mixed with powder with conveyor module 12, above-mentioned step S104 corresponds to institute
Laser melting forming module 14 is stated, the step S105 corresponds to post-processing module 15.
In first variant embodiment of second embodiment of the invention, the bulk alloy preparation method may include as
Under step：
At least one metal powder is provided；The gold of predetermined required quality and type is obtained with ultrasonic vibration powder quantitative manner
Belong to powder, melting cooling is carried out to the metal powder of the predetermined quality and type, obtains required bulk alloy.
In second variant embodiment of second embodiment of the invention, the bulk alloy preparation method may include as
Under step：
An at least metal powder is provided；Mixing point carries out at least one metal powder using static rotary fluid mode
It dissipates；The mixed metal powder is melted with laser heating, cools down bulk alloy needed for the molten metal powder acquisition.
In the third variant embodiment of second embodiment of the invention, the bulk alloy preparation method may include as
Under step：
At least one metal powder is provided, is allowed to be sprayed by the nozzle；Laser heating melts the gold that the nozzle sprays
Belong to powder；With 1 × 106The rate of temperature fall of more than k/s is quickly cooled down the molten metal powder to be shaped to amorphous state bulk
Alloy.
Further, former is provided, if the former includes workbench and is set to below workbench
The dry thermal conductive pipe that can be passed through cooling material, the rate of temperature fall of the former is 1 × 106More than k/s, by the gold of melting
Belong to powder to be cooled and shaped on the workbench as amorphous state bulk alloy.
Laser heating melting is carried out in the bulk alloy preparation method to metal powder to include using liquid nitrogen or argon gas
Deng to being cooled down by the bulk alloy for preparing of laser heating melting, to obtain amorphous state bulk alloy.
In above-mentioned bulk alloy preparation method, multistage cooling can be realized by controlling rate of temperature fall size.It is specially logical
The rate and intake for controlling that cooling material is passed through in the thermal conductive pipe in the former are crossed, so as to the former
Rate of temperature fall controlled.
Further, in the bulk alloy preparation method, the metal powder granularity is 20~200 μm.The metal
The type of powder can be metal powder aluminium, metal powder copper, metal powder titanium, metal powder nickel, tool steel, martensite steel, no
Become rusty steel, titanium alloy, aluminium alloy, nickel-base alloy, acid bronze alloy, cobalt Luo alloy etc..
In the ultrasonic vibration powder quantitative manner, each metal powder delivered dose is the μ of 2 μ g~160 g, described super
Sound vibration frequency is 3.125Hz~3200Hz.
Further, in the static rotary fluid mode, the conveying capacity of metal powder is 0.1g/min~30g/min,
The load air flow rate of rotary fluid is 1.0L/min~15L/min.
The above-mentioned preferred scope limited for design parameter in the static rotary fluid mode, the ultrasonic vibration mode
Consistent with content involved in first embodiment of the invention, details are not described herein.
In the laser heating melting preparation process, the spectral region of required laser is 800nm~1300nm, described to swash
The power of light is 50W~20kW, and the spot diameter size of the laser is 0.1 μm~1mm.
In some embodiments of the invention, it is mixed and conveyed in real time by gas circuit after at least one metal powder is mixed
To a nozzle, the nozzle is printed according to required path using mixed metal powder.
In some embodiments of the invention, in the bulk alloy preparation method, the powder sending quantity of the nozzle is microgram
It is per minute to gram quantity grade.
Third embodiment of the invention provides a kind of application of bulk alloy preparation system, such as institute in first embodiment of the invention
The bulk alloy preparation system stated is used to prepare multiple bulk alloys on a substrate；Multiple bulk alloys are swashed by difference
The identical metal powder of laser heating molten component ratio of luminous power is prepared or multiple bulk alloys are swashed by identical
The metal powder that the laser heating molten component ratio of luminous power is different is prepared.
Further, in the above-mentioned same bulk alloy by multiple layers of structure composition, multiple layer structures by
The identical metal powder of laser heating molten component ratio of different laser powers is prepared or multiple layer structures are by phase
Laser with laser power heats the different metal powder of molten component ratio and is prepared.In some embodiments of the present invention
In, can be by using area of computer aided bulk alloy MOLECULE DESIGN on the basis of, design the bulk alloy sample library, be
The bulk alloy sample library obtained using result by references and the Experience Design of accumulation.It is specific that required bulk alloy is needed to match
In the range very wider than being located at one, purpose bulk alloy proportion is then approached layer by layer using combination technique, and finally from thousands of
Screening obtains optimal bulk alloy compositions in samples up to ten thousand.Its maximum feature is can be with the hundreds and thousands of a object blocks of single sintering
Quick obtaining can be achieved most by using bulk alloy preparation system provided by the present invention and preparation method thereof in material alloy compositions
Excellent proportioning, and preparing for these bulk alloy compositions can not be rapidly completed as only relied in conventional method.
In some of the invention preferably embodiments, the bulk alloy preparation method further comprises to bulk alloy
The ingredient and its preparation technology parameter of single sample bulk alloy in sample library are controlled.Such as when preparation ternary, quaternary block
When prepared by material alloy, using bulk alloy preparation method provided by the present invention, it can be achieved that the preparation of polynary bulk alloy, may be used also
The combination of different bulk alloys is carried out in the different parts of bulk alloy, the bulk alloy interlayer thermodynamics further can be achieved
Process combination, so as to prepare the bulk alloy with specific part and particular alloy type.
In order to obtain the superior bulk alloy of performance, the environment temperature, humidity, cleaning to metal 3D printing environment are needed
Degree is monitored.
Compared with prior art, bulk alloy preparation system provided in the present invention and preparation method thereof has following
Advantage：
(1) bulk alloy preparation system provided by the present invention includes at least a powder for being used for metal powder quantitative powder outlet
Quantitative module and a laser melting forming module, the powder quantify module with matter needed for the acquisition of ultrasonic vibration powder quantitative manner
At least one metal powder of amount, and convey obtained metal powder enter in laser melting forming module melt it is cold
But, by using ultrasonic vibration powder quantitative manner, can be quickly obtained the different metal powder that forms the bulk alloy into
Point ratio and metal powder powder outlet quantity is quantified, the bulk that there can be Multiple components ratio so as to realize Fast back-projection algorithm closes
Gold.
(2) in bulk alloy preparation system provided by the present invention, the powder quantifies module and includes providing ultrasonic vibration
The quantitative powder proportioning device of powder, the powder proportioning device include ultrasonic vibration capillary, the powder proportioning device
Vibration frequency is 3.125Hz~3200Hz.By the restriction of ultrasonic vibration frequency, required progress powder further can be precisely obtained
Quantitative bulk alloying component, to improve the follow-up accuracy for carrying out high throughput and preparing bulk alloy.
(3) in bulk alloy preparation system provided by the present invention, module and the laser melting are quantified in the powder
The mixing of one powder and conveyor module are set between forming module, and the powder mixing and conveyor module include at least one using quiet
The powder mixing device that state rotary fluid mode mixes two or more metal powders.It can effectively avoid with various metals
Powder is mixing the problem of uneven, and the bulk alloy for becoming ingredient is synthesized so as to fulfill fast accurate, is closed so as to improve current bulk
The efficiency of research and development of golden material.
(4) in bulk alloy preparation system provided by the present invention, the laser melting forming module includes a nozzle, swashs
Light device and former, the nozzle and the powder quantify module be directly connected to or the nozzle mixed with the powder and
Conveyor module connects, and for the nozzle for spraying an at least metal powder, the laser equipment is used to melt the gold of nozzle ejection
Belong to powder, the former include workbench and be set to below workbench several can be passed through the heat conduction of cooling material
Pipeline.Using the above-mentioned specific restriction to workbench in former, effectively the architectural characteristic of obtained finished product can be carried out
Regulation and control.
(5) in bulk alloy preparation system provided by the present invention, multiple substrates are set on a workbench
Or one the substrate be arranged on multiple workbenches, and rate of temperature fall is different between different workbench, i.e., same
On substrate molding bulk alloy can different rate of temperature fall cooled down, closed so as to obtain bulk with different crystalline state
Gold, so as to improve the high-throughput diversity for preparing bulk alloy, to expand the scope of application of the bulk alloy preparation system.
(6) the present invention further provides a bulk alloy preparation methods, and the method is with ultrasonic vibration powder quantitative manner
The metal powder of predetermined required quality and type is obtained, further the metal powder of the predetermined quality and type is melted
Cooling, obtains required bulk alloy.By using ultrasonic vibration powder quantitative manner, it can be achieved that fast accurate synthesis can have
The bulk alloy of Multiple components ratio, so as to improve the efficiency of research and development of current bulk alloy material.
(7) the bulk alloy preparation method further defines each metal powder delivered dose as 2~160 μ g,
The ultrasonic vibration frequency is 3.125Hz~3200Hz.It, can be effective by limiting metal powder mixing dispersion, transport condition
The metal powder mixture for having required mixture homogeneity is obtained, so as to further improve the preparation rate for becoming component block material alloy
With accuracy.
(8) application of bulk alloy preparation system provided by the present invention can be used for preparing on a substrate multiple
Bulk alloy；Multiple bulk alloys prepared by the identical metal powder of laser melting component ratio of different laser powers and
Into or multiple bulk alloys be prepared by the different metal powder of the laser melting component ratio of same laser power.It is logical
Above-mentioned setting is crossed, can quickly be prepared with Multiple components ratio or characteristic in a bulk alloy preparation system
Different multiple bulk alloys, so as to improve the flux and accuracy that prepare bulk alloy, to obtain Multiple components and by not
The bulk alloy of laser melting acquisition is carried out with laser power, bulk alloy preparation system provided by the present invention has extensive
Applicability.
(9) application of bulk alloy preparation system provided by the present invention using the bulk alloy preparation system, can make
For bulk alloy with multi-layer structure, multiple layer structures in same bulk alloy can be by the laser of different laser powers
The identical metal powder of molten component ratio be prepared or multiple layer structures by same laser power laser melting into
Point different metal powder of ratio and be prepared.By above-mentioned setting, it can be achieved that in a bulk alloy preparation system
In, the bulk alloy in a main body with multiple layers of structure is quickly prepared, and have between multiple layers of structure a variety of
Component ratio or characteristic are different, so as to improve the type of bulk alloy that bulk alloy preparation system can prepare, into one
Step expands the scope of application of bulk alloy preparation system provided by the present invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all originals in the present invention
Any modification made within then, equivalent replacement and improvement etc. should all be included within protection scope of the present invention.
Claims (9)
1. a kind of bulk alloy preparation system, it is characterised in that：It includes the powder for two or more metal powder quantitative powder outlets
End quantitative module, laser melting forming module and it is arranged between powder mixing and conveyor module, the powder quantify mould
Block obtains the two or more metal powders of predetermined required quality with ultrasonic vibration powder quantitative manner, and is delivered to the powder and mixes
Close and conveyor module in, using static rotary fluid mode so that gas drive two or more metal powders do simultaneously radially and
After tangential motion is mixed, melting cooling is carried out into the laser melting forming module, is closed with the bulk needed for obtaining
Gold.
2. bulk alloy preparation system as described in claim 1, it is characterised in that：The powder, which quantifies module and provided including one, to be surpassed
The quantitative powder proportioning device of acoustic vibration powder, the powder proportioning device include ultrasonic vibration capillary, and the powder quantifies
The vibration frequency of device is 3.125H z~3200H z.
3. bulk alloy preparation system as described in claim 1, it is characterised in that：The laser melting forming module includes a spray
Head, laser equipment and former, the nozzle quantifies module or powder mixing with the powder and conveyor module is connect,
For the nozzle for spraying two or more metal powders, the laser equipment is used to melt the metal powder of nozzle ejection, institute
State former include workbench and be set to below workbench several can be passed through the thermal conductive pipe of cooling material, it is described
Former obtains required bulk alloy for cooling down the metal powder after the melting on workbench.
4. bulk alloy preparation system as claimed in claim 3, it is characterised in that：The workbench is multiple, different workbenches
Between rate of temperature fall it is different.
5. bulk alloy preparation system as claimed in claim 4, it is characterised in that：The workbench setting is closed for carrying bulk
The substrate of gold；
When the substrate is multiple, multiple substrates are separately positioned on a workbench；Or when the substrate is one
When a, then the substrate is arranged on multiple workbenches；Or when the substrate be one when, then the substrate with it is described
Workbench is correspondingly arranged.
6. a kind of bulk alloy preparation method, it is characterised in that：It includes the following steps：Two or more metal powders is provided
End；The metal powder of predetermined required quality and at least two classes is obtained with ultrasonic vibration powder quantitative manner, and using static rotation
Turn streaming mode, so that gas, which drives two or more metal powders to do radially and tangentially movement simultaneously, carries out mixing acquisition mixing gold
Belong to powder, melting cooling is carried out to the mixed metal powder, obtains required bulk alloy.
7. bulk alloy preparation method as claimed in claim 6, it is characterised in that：Surpass in the ultrasonic vibration powder quantitative manner
The delivered dose of acoustic vibration is 2~160 μ g/ times, and the frequency of ultrasonic vibration is 3.125H z~3200Hz.
8. a kind of application of bulk alloy preparation system, it is characterised in that：The bulk alloy as described in any one of claim 1-5
Preparation system is used to prepare multiple bulk alloys on a substrate；Multiple bulk alloys by different laser powers laser
The identical metal powder of heating molten component ratio be prepared or multiple bulk alloys by same laser power laser
The different metal powder of heating molten component ratio is prepared.
9. the application of bulk alloy preparation system as claimed in claim 8, it is characterised in that：The same bulk alloy is by more
A layer of structure composition, multiple layer structures are by the identical metal powder of the laser heating molten component ratio of different laser powers
Be prepared or multiple layer structures by the laser different metal powder of heating molten component ratio of same laser power and
It is prepared.
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| CN112872366A (en) * | 2021-01-11 | 2021-06-01 | 江苏省特种设备安全监督检验研究院 | Cooling auxiliary device in SLM metal vibration material disk manufacturing process |
| CN114438491A (en) * | 2022-02-17 | 2022-05-06 | 安徽铭谷激光智能装备科技有限公司 | Laser cladding high-entropy alloy special machine tool equipment |
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| CN2517482Y (en) * | 2001-12-30 | 2002-10-23 | 青岛海晶化工集团有限公司 | Powder fluidized mixer |
| CN103785835A (en) * | 2014-03-04 | 2014-05-14 | 山东大学 | Manufacturing method for preventing deforming and cracking when large-size complex titanium alloy parts are in three-dimensional printing |
| CN104086184A (en) * | 2014-06-25 | 2014-10-08 | 大连理工大学 | Method for ultrasonic-assisted laser engineered net shaping of ceramic piece |
| CN104972124A (en) * | 2015-06-25 | 2015-10-14 | 武汉大学 | Real-time monitoring rapid prototyping device and method based on femtosecond laser composite technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2517482Y (en) * | 2001-12-30 | 2002-10-23 | 青岛海晶化工集团有限公司 | Powder fluidized mixer |
| CN103785835A (en) * | 2014-03-04 | 2014-05-14 | 山东大学 | Manufacturing method for preventing deforming and cracking when large-size complex titanium alloy parts are in three-dimensional printing |
| CN104086184A (en) * | 2014-06-25 | 2014-10-08 | 大连理工大学 | Method for ultrasonic-assisted laser engineered net shaping of ceramic piece |
| CN104972124A (en) * | 2015-06-25 | 2015-10-14 | 武汉大学 | Real-time monitoring rapid prototyping device and method based on femtosecond laser composite technology |
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