CN105728728B - A kind of amorphous alloy material is prepared and forming integrated 3D printing method and device - Google Patents
A kind of amorphous alloy material is prepared and forming integrated 3D printing method and device Download PDFInfo
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- CN105728728B CN105728728B CN201610244315.XA CN201610244315A CN105728728B CN 105728728 B CN105728728 B CN 105728728B CN 201610244315 A CN201610244315 A CN 201610244315A CN 105728728 B CN105728728 B CN 105728728B
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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
- 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
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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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
- 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
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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
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/001—Amorphous alloys with Cu as the major constituent
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Abstract
The present invention relates to a kind of amorphous alloy material is prepared and forming integrated 3D printing method and device, belong to droplet ejection increasing material manufacturing and non-crystaline amorphous metal preparing technical field.Increases material manufacturing technology is sprayed by metal drop and directly sprays crystalline state motlten metal, and the method that liquid nitrogen cooling device combines cold substrate is sprayed using rotary type is double, molten drop cooling is deposited after realizing metal drop injection prebasal plate environment cooling and metal drop injection, " point-to-point " cooling means can make motlten metal be quenched and occur amorphous transition twice, realize that amorphous alloy material is prepared and the integration of large volume labyrinth three-dimensional.Instant invention overcomes traditional non-crystaline amorphous metal preparation method shapes the restriction of critical dimension to bulk amorphous alloy；Crystallization behavior, the defect of buckling deformation are produced during avoiding the melting 3D printing of amorphous powdered alloy selective laser；Solve the problems, such as that amorphous alloy material machining is difficult, realize that amorphous alloy material is prepared and structure formation integration 3D printing.
Description
Technical field
The present invention relates to droplet ejection increasing material manufacturing and non-crystaline amorphous metal preparing technical field, and in particular to a kind of non-crystaline amorphous metal
The 3D printing method and device that prepared by material and structure formation is integrated.
Background technology
Non-crystaline amorphous metal has metal and glass advantage concurrently, overcomes the disadvantage of each of which again.The block developed is non-
Peritectic alloy material system has La bases, Zr bases, Mg bases, Al bases, Ti bases, Pd bases, Fe bases, Cu bases, Ce bases etc..Because of its excellent power
, process based prediction model, are widely used in commercial production, sports equipment, biomedicine, consumer electronics field.
3D printing is one kind of Rapid Prototyping technique, it with powdery metal or plastics etc. can jointing material, by one
The multilamellar printing type of the another layer of layer is constructing parts.The 3D printing method of metal parts, mainly has selective laser sintering, swashs
Light selective melting, electronics speed selective melting, metal deposit shaping, ink-jet 3D printing, droplet ejection technology etc..Metallic element
Near-net-shape provides a quick, flexible, inexpensive, Gao Xing for the manufacture for solving difficult-to-machine metal component in industrial equipment
Energy, short-period technology new way.
At present, bulk amorphous alloy manufacturing process mainly has water quenching, copper mold casting method, high pressure diecasting method, suction casting method, pressure
Casting etc..Prepared by amorphous alloy material affected by cooling medium heat conduction velocity and itself glassy state Forming ability, tradition side
Method prepares non-crystaline amorphous metal critical dimension only up to more than 10 millimeters.High rigidity that simultaneously amorphous alloy material has, high-wearing feature with it is easy
Fragility so as to be difficult with Machining Technology and obtain complicated part.Existing non-crystaline amorphous metal 3D printing is swashed based on selectivity
Light fusion technology shaping of amorphous alloy powder, the method need the amorphous powdered alloy for first preparing uniform, fine, recycle high energy
Beam LASER HEATING melted powder shapes, and the high temperature of generation can make part moulding material temperature exceed supercooled liquid warm area, cause portion
Divide material crystallization, buckling deformation.Existing method technology can not realize simultaneously amorphous alloy material prepare and labyrinth it is three-dimensional into
Shape.
The content of the invention
The present invention provides a kind of amorphous alloy material and prepares and forming integrated 3D printing method and device, to solve to pass
During controlling Preparation Method melts 3D printing to the restriction of bulk amorphous alloy critical dimension, amorphous powdered alloy selective laser
Produce crystallization behavior, the problem of buckling deformation.
The present invention is adopted the technical scheme that, is comprised the following steps：
（1）Crystal alloy is heated to molten condition by the outer rotary heating furnace of crucible, regulates and controls semiconductor cooling device, and setting is heavy
The temperature of product substrate；
（2）The threedimensional model of non-crystaline amorphous metal part to be printed is set up, slicing delamination process forms STL formatted files, leads to
Control metal drop injection frequency and motion platform speed are crossed, by scanning pattern dropwise deposition formation；
（3）Liquid nitrogen jet pipe two and liquid nitrogen jet pipe one are located on hollow rotating platform, when jet path changes, hollow
Rotation platform rotates to an angle, it is ensured that metal drop shower nozzle, liquid nitrogen jet pipe two and one place straight line of liquid nitrogen jet pipe are flat with motion
The platform direction of motion is consistent all the time, and after metal drop shower nozzle moves to specified location, inert gas pressure storage bottle passes through indifferent gas
Body pipe is depressed into motlten metal Jing feed pipes in crucible at metal drop shower nozzle, and thermocouple detection molten metal temperature is less than setting
During temperature, ring heater starts and ensures the preferable mobility of motlten metal, and gas pressure regulator 9 starts, the indifferent gas with pressure
Body promotes piston to realize that metal drop sprays；
（4）When printing print point on non-crystaline amorphous metal part, round turntable drives metal drop shower nozzle, liquid nitrogen jet pipe one and liquid
Nitrogen jet pipe two is first lowered down at this print point 0.1-0.5mm, and high-pressure nitrogen bottle is by one He of liquid nitrogen pipe position liquid nitrogen jet pipe
Liquid nitrogen jet pipe two provides liquid nitrogen, and liquid nitrogen jet pipe two first sprays liquid nitrogen in this point cools down deposition substrate environment, and the print point is moved
Molten metal drop is moved to metal drop shower nozzle and sprays, then the print point is moved to below liquid nitrogen jet pipe one and at this
Some fill-before-fire liquid nitrogen make deposited metal drop, and quickly cooling fades to amorphous state；
（5）Completed after one layer of jet printing in the same fashion by scanning track, shower nozzle rises a printable layer thickness, repeated
Above-mentioned steps（3）-（4）, it is finally completed preparation and the forming process of non-crystaline amorphous metal part.
Non-crystaline amorphous metal of the present invention includes that La bases, Zr bases, Mg bases, Al bases, Ti bases, Pd bases, Fe bases, Cu bases, Ce bases are non-
Peritectic alloy.
Translational speed 10-100mm/s of deposition substrate of the present invention 19, set deposition substrate temperature are zero Celsius
Spend subzero 30 degrees Celsius.
Step of the present invention（3）Setting liquid nitrogen jet pipe two and one axial connecting line of liquid nitrogen jet pipe and X-axis positive direction angle α,
0°<α<180 °, be initial position, metal drop jet path and X-axis positive direction angle β during α=0 °, when jet path changes
During change, hollow rotating platform 22 rotates to an angle so that α=β, it is ensured that metal drop shower nozzle, liquid nitrogen jet pipe two and liquid nitrogen jet pipe
One place straight line, it is consistent all the time with the motion platform direction of motion.
Step of the present invention（3）The pressure of middle inert gas pressure storage bottle is 0.8MPa.
Step of the present invention（3）The range of regulation of middle gas pressure regulator is 0-0.8MPa.
Step of the present invention（4）Described in high pressure nitrogen storage bottle pressure be 0.3-0.8MPa.
A kind of amorphous alloy material preparation and the 3D printing device of structure formation one, high-pressure liquid nitrogen tank pass through liquid nitrogen pipe 7
It is connected with liquid nitrogen spray one, liquid nitrogen spray two respectively, in liquid nitrogen pipe, is provided with switch one, inert gas pressure storage bottle is by lazy
Property gas tube one be connected with crucible, be provided with outside the crucible of motlten metal rotary heating furnace for holding, crucible passes through feed pipe
It is connected with metal drop shower nozzle, on feed pipe, is provided with switch two, inert gas pressure storage bottle passes through two Jing of inert gas tube
Cross gas pressure regulator to be connected with metal drop shower nozzle, deposition substrate is fixed on the base of triaxial movement platform, semiconductor refrigerating
Device is arranged on below deposition substrate, and round turntable is fixed by bolts to above hollow rotating platform, metal drop shower nozzle and liquid
Nitrogen jet pipe one, liquid nitrogen jet pipe two are fixed on the Z axis of triaxial movement platform by hollow rotating platform and round turntable, and metal melts
Droplet ejection head is provided with heat ray filter, and ring heater and the installation of TC are on the inside of the heat ray filter of metal drop shower nozzle.
The semiconductor cooling device is made up of Top electrode, fin, rheostat, fan, power supply, quasiconductor, bottom electrode,
Top electrode is arranged on below deposition substrate, and quasiconductor, bottom electrode, fin and fan are set gradually below Top electrode, power supply
Both positive and negative polarity is connected with the bottom electrode left and right sides, forms loop, rheostat is provided with loop.
The present invention is realized with reference to metal drop injection increases material manufacturing technology non-using cold substrate and double spray liquid nitrogen cooling devices
Prepared by peritectic alloy material and large scale labyrinth is forming integrated.By cold substrate and rotatable pair of liquid nitrogen spray, gold is realized
Molten drop cooling is deposited after the injection prebasal plate environment cooling of category molten drop and metal drop injection, " point-to-point " cooling means is more preferable twice
Ensure the amorphous characteristic of formation of parts.
Advantages of the present invention is as follows：
（1）The present invention prepares amorphous alloy material with reference to 3D printing technique using cold substrate and double spray liquid nitrogen cooling devices
Large volume complicated shape non-crystaline amorphous metal part is shaped simultaneously.The method realizes that amorphous alloy material is prepared and structure formation one
Change, save manufacturing procedure, improve work efficiency.
（2）Water quenching, copper mold casting method are only capable of shaping the simple non-crystaline amorphous metal part of more than 10 millimeter structures, and the present invention is tied
Close 3D printing technique and produce complex structure, larger sized non-crystaline amorphous metal part, it is more non-than what water quenching, copper mold casting method were manufactured
At least big 10mm of peritectic alloy accessory size.
（3）Compared with the melting 3D printing of amorphous powdered alloy selective laser, present invention saves amorphous powdered alloy
Preparation process, while avoiding crystallization behavior and buckling deformation during high energy beam LASER HEATING melted powder.
（4）Double spray liquid nitrogen plans are put using rotary type is forward and backward, metal drop injection prebasal plate environment cooling and gold is realized
Molten drop cooling is deposited after category molten drop injection, " point-to-point " cooling twice more preferably ensures the amorphous characteristic of formation of parts.
（5）Semiconductor cooling device is set under printing substrate, is required according to experiment cooler environment, standardsizing rheostat control base
Plate temperature.If desired hot substrate, can also change the sense of current and realize substrate heating effect.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is semiconductor cooling device structural representation of the present invention；
Fig. 3 is hollow rotating platform structure schematic diagram of the present invention, because hollow rotating platform is located at round turntable, is to understand table
Up to hollow rotating platform, round turntable is drawn as transparent；
Fig. 4 is partial enlarged drawing at shower nozzle of the present invention；
Fig. 5 is the schematic diagram of 22 rotation alpha angle of hollow rotating platform of the present invention；
Fig. 6 is the schematic diagram of metal drop jet path of the present invention and X-axis positive direction angle β.
Specific embodiment
A kind of amorphous alloy material preparation and the 3D printing device of structure formation one, high-pressure liquid nitrogen tank 21 pass through liquid nitrogen pipe
7 are connected with liquid nitrogen spray 1, liquid nitrogen spray 2 16, be liquid nitrogen spray 1, liquid nitrogen spray 2 15 provide high-pressure liquid nitrogen, liquid nitrogen
Switch 1 is provided with pipe 7, the unlatching closure of liquid nitrogen jet pipe 7 is controlled, is realized need based jet, " point-to-point " accurately cools down, inertia
Gas pressure storage bottle 5 is connected with crucible 2 by inert gas tube 1, there is provided feeding power, motlten metal 1 are placed on crucible 2
It is interior, rotary heating furnace 3 is provided with outside crucible 2, crucible 2 is heated to keep the mobility of motlten metal 1, crucible 2 to pass through feeding
Pipe 6 is connected with metal drop shower nozzle 10, and switch 2 23 is provided with feed pipe 6, and it is metal drop shower nozzle to control the opening and closing of feed pipe 6
10 feed, inert gas pressure storage bottle 5 is by inert gas tube 2 13 through gas pressure regulator 9 and 10 phase of metal drop shower nozzle
Even, adjusted by pressure and realize 1 droplet ejection of motlten metal, deposition substrate 19 is fixed on the base of triaxial movement platform 12,
The motion in XY directions can be realized, semiconductor cooling device 20 is arranged on below deposition substrate 19, deposition substrate 19 is freezed,
Round turntable 14 is fixed by bolts to above hollow rotating platform 22, and metal drop shower nozzle 10 and liquid nitrogen jet pipe one 15, liquid nitrogen spray
Pipe 2 16 passes through hollow rotating platform 22 and round turntable 14 is fixed on the Z axis of triaxial movement platform 12, can realize Z-direction
Motion, hollow rotating platform 22 drives liquid nitrogen jet pipe one 15, liquid nitrogen jet pipe 2 16 to rotate, realizes metal drop shower nozzle 10, liquid
Nitrogen jet pipe 1,2 16 place straight line of liquid nitrogen jet pipe, it is consistent with the motion platform direction of motion, metal drop shower nozzle 10 be provided with every
Thermal 11, it is to avoid motlten metal 1 is subject to cold environmental effect, ring heater 18 and thermocouple 17 to be arranged on metal drop shower nozzle
Heat ray filter 11 on the inside of, external temperature controller, by thermocouple 17 detect 1 Temperature Feedback of motlten metal to temperature control
Device, controls whether ring heater 18 works.
The semiconductor cooling device 20 is by Top electrode 2001, fin 2002, rheostat 2003, fan 2004, power supply
2005th, quasiconductor 2006, bottom electrode 2007 constitute, and Top electrode 2001 is arranged on below deposition substrate 19, below Top electrode successively
Quasiconductor 2006, bottom electrode 2007, fin 2002 and fan 2004, both positive and negative polarity and bottom electrode of power supply 2005 or so two is set
Side is connected, and forms loop, rheostat 2003 is provided with loop.
A kind of amorphous alloy material is prepared and forming integrated 3D printing method, is comprised the following steps：
（1）Crystal alloy is heated to molten condition by 2 outer rotary heating furnace 3 of crucible, regulates and controls semiconductor cooling device 20, if
The temperature for determining deposition substrate 19 is zero degrees celsius to subzero 30 degrees Celsius；
（2）The threedimensional model of non-crystaline amorphous metal part to be printed is set up, slicing delamination process forms STL formatted files, leads to
Control metal drop injection frequency and motion platform speed are crossed, by scanning pattern dropwise deposition formation；
（3）Liquid nitrogen jet pipe 2 16 and liquid nitrogen jet pipe 1 are located on hollow rotating platform, when jet path changes,
Hollow rotating platform 22 rotates to an angle, it is ensured that metal drop shower nozzle 10, liquid nitrogen jet pipe 2 16 and liquid nitrogen jet pipe 1 are located
Straight line is consistent all the time with the motion platform direction of motion, after metal drop shower nozzle 10 moves to specified location, inert gas pressure storage
Its pressure of bottle 5 is deposited for 0.8MPa, 1 Jing feed pipes 6 of motlten metal in crucible 2 are depressed into by metal drop spray by inert gas tube 4
At 10, when the detection molten metal temperature of thermocouple 17 is less than design temperature, ring heater 18 start ensure motlten metal compared with
Good mobility, gas pressure regulator 9 start, and the noble gases with pressure promote piston to realize that metal drop sprays, wherein air pressure
The range of regulation of controller is 0-0.8MPa；
（4）When printing print point on non-crystaline amorphous metal part, round turntable 14 drives metal drop shower nozzle 10, liquid nitrogen jet pipe one
15 and liquid nitrogen jet pipe 2 16 be first lowered down at this print point 0.1-0.5mm, high-pressure nitrogen bottle 21 its pressure is 0.3-
0.8MPa is that liquid nitrogen jet pipe 1 and liquid nitrogen jet pipe 2 16 provide liquid nitrogen by liquid nitrogen pipe 7, and liquid nitrogen jet pipe 2 16 is in this point elder generation
Injection liquid nitrogen cools down 19 environment of deposition substrate, and the print point is moved to below metal drop shower nozzle 10 and sprays molten metal bath
Drop, then the print point is moved to below liquid nitrogen jet pipe 1 and makes the fast quickly cooling of deposited metal drop in this point fill-before-fire liquid nitrogen
But fade to amorphous state；
（5）Completed after one layer of jet printing in the same fashion by scanning track, shower nozzle rises a printable layer thickness, repeated
Above-mentioned steps（3）-（4）, it is finally completed preparation and the forming process of non-crystaline amorphous metal part；
Non-crystaline amorphous metal of the present invention includes that La bases, Zr bases, Mg bases, Al bases, Ti bases, Pd bases, Fe bases, Cu bases, Ce bases are non-
Peritectic alloy.
Translational speed 10-100mm/s of deposition substrate of the present invention 19, set deposition substrate temperature are zero Celsius
Spend subzero 30 degrees Celsius；
Step of the present invention（3）Setting liquid nitrogen jet pipe 2 16 and one 15 axial connecting line of liquid nitrogen jet pipe are pressed from both sides with X-axis positive direction
Angle α（0°<α<180°）, it is initial position, metal drop jet path and X-axis positive direction angle β during α=0 °, when jet path is sent out
During raw change, hollow rotating platform 22 rotates to an angle so that α=β, it is ensured that metal drop shower nozzle 10,2 16 and of liquid nitrogen jet pipe
One 15 place straight line of liquid nitrogen jet pipe, it is consistent all the time with the motion platform direction of motion；The angle α and angle β of setting is absolute angle,
The positive and negative size of absolute angle difference determines that hollow rotating platform is less than 180 °, keeps away along angle, absolute angle numerical value is rotated counterclockwise
Exempt from liquid nitrogen pipe 7 and winding situation occur.
The present invention is further illustrated below by specific embodiment.
（1）2 external power 2000W rotary heating furnaces 3 of crucible are by Cu based alloys（Cu47Ti33Zr9Nb2Ni8Si1）It is heated to
1200-1300K, reaches molten condition.Regulation and control semiconductor cooling device 20, sets the temperature of deposition substrate 19 as 243-273K.
（2）CAD software sets up Cu base noncrystal alloy three-dimensional part models, and slicing delamination process forms STL formatted files, leads to
Control metal drop injection frequency and motion platform speed are crossed, by scanning pattern dropwise deposition formation.
（3）Setting liquid nitrogen jet pipe 2 16 and one 15 axial connecting line of liquid nitrogen jet pipe and X-direction angle α（α<180°）, α=0 °
When be liquid nitrogen jet pipe initial position.Metal drop jet path and X-direction angle β, when jet path changes, annular
Motor rotates to an angle so that α=β, it is ensured that metal drop shower nozzle 10, liquid nitrogen jet pipe 2 16 and liquid nitrogen jet pipe 1 are located straight
Line, consistent all the time with the motion platform direction of motion, the angle α arranged in program and angle β are absolute angle, absolute angle difference
Positive and negative size determines annular generator forward and reverse rotational angle, and absolute angle numerical value is less than 180 °, it is to avoid winding shape occurs in liquid nitrogen pipe 7
Condition.
（4）Motion platform course of work movement velocity is 50-100mm/s, liquid nitrogen pipe 16 and the injection liquid nitrogen stream of liquid nitrogen pipe 15
Speed is 1.57mL/s, and after shower nozzle moves to specified location, high-pressure pneumatic device is by 1 Jing feed pipes 6 of motlten metal in crucible 2 to gold
At category molten drop shower nozzle 10, when the detection molten metal temperature of thermocouple 17 is less than 1200K, ring heater 18 starts heating and ensures molten
Melt metal fluidity.Control pneumatic means promotes piston to realize 100-200 μm of metal drop, between tiny fusing point and injection liquid nitrogen
Forced convertion make molten drop obtain great degree of supercooling, heat discharges rapidly that realization is quick to be cooled down.
（5）Cu base noncrystal alloys（Cu47Ti33Zr9Nb2Ni8Si1）Critical cooling rate be 104-105K/s, therefore need
Realize that the Cu based alloy molten melt drops for ejecting quickly are cooled down.Cooling A points are Cu base noncrystal alloys
（Cu47Ti33Zr9Nb2Ni8Si1）Any point on printout, during A points are printed, liquid nitrogen pipe 16 is first sprayed in A points
Liquid nitrogen cools down printing substrate environment, and shower nozzle reaches A points injection molten metal drop, and liquid nitrogen pipe 15 is made in A point fill-before-fire liquid nitrogen
Quickly cooling fades to amorphous state to deposited metal drop.
（6）Complete after one layer of jet printing by scanning track, shower nozzle rises a print thickness, repetition is above-mentioned（4）-（5）
Process, is finally completed preparation and the forming process of non-crystaline amorphous metal part.
Claims (9)
1. a kind of amorphous alloy material is prepared and forming integrated 3D printing method, it is characterised in that comprised the following steps：
（1）Crystal alloy is heated to molten condition by the outer rotary heating furnace of crucible, regulates and controls semiconductor cooling device, setting deposition base
The temperature of plate；
（2）The threedimensional model of non-crystaline amorphous metal part to be printed is set up, slicing delamination process forms STL formatted files, by control
Metal drop injection frequency processed and motion platform speed, by scanning pattern dropwise deposition formation；
（3）Liquid nitrogen jet pipe two and liquid nitrogen jet pipe one are located on hollow rotating platform, when jet path changes, hollow rotating
Platform rotates to an angle, it is ensured that metal drop shower nozzle, liquid nitrogen jet pipe two and one place straight line of liquid nitrogen jet pipe are transported with motion platform
Dynamic direction is consistent all the time, and after metal drop shower nozzle moves to specified location, inert gas pressure storage bottle passes through inert gas tube
Motlten metal Jing feed pipes in crucible are depressed at metal drop shower nozzle, thermocouple detection molten metal temperature is less than design temperature
When, ring heater starts and ensures the preferable mobility of motlten metal, gas pressure regulator（9）Start, the noble gases with pressure
Piston is promoted to realize that metal drop sprays；
（4）When printing print point on non-crystaline amorphous metal part, round turntable drives the spray of metal drop shower nozzle, liquid nitrogen jet pipe one and liquid nitrogen
Pipe two is first lowered down at this print point 0.1-0.5mm, and high-pressure nitrogen bottle is by liquid nitrogen pipe position liquid nitrogen jet pipe one and liquid nitrogen
Jet pipe two provides liquid nitrogen, and liquid nitrogen jet pipe two first sprays liquid nitrogen in this point cools down deposition substrate environment, and the print point is moved to
Below metal drop shower nozzle and molten metal drop is sprayed, then the print point is moved to below liquid nitrogen jet pipe one and in this point
Fill-before-fire liquid nitrogen makes deposited metal drop, and quickly cooling fades to amorphous state；
（5）Completed after one layer of jet printing in the same fashion by scanning track, shower nozzle rises a printable layer thickness, repetition is above-mentioned
Step（3）-（4）, it is finally completed preparation and the forming process of non-crystaline amorphous metal part.
2. amorphous alloy material according to claim 1 is prepared and forming integrated 3D printing method, it is characterised in that：
Non-crystaline amorphous metal includes La bases, Zr bases, Mg bases, Al bases, Ti bases, Pd bases, Fe bases, Cu bases, Ce base noncrystal alloys.
3. amorphous alloy material according to claim 1 is prepared and forming integrated 3D printing method, it is characterised in that：
Deposition substrate（19）Translational speed 10-100mm/s, set deposition substrate temperature is that zero degrees celsius are Celsius to subzero 30
Degree.
4. amorphous alloy material according to claim 1 is prepared and forming integrated 3D printing method, it is characterised in that：
Step（3）Setting liquid nitrogen jet pipe two and one axial connecting line of liquid nitrogen jet pipe and X-axis positive direction angle α, 0 °<α<180 °, during α=0 ° it is
Initial position, metal drop jet path and X-axis positive direction angle β, when jet path changes, hollow rotating platform
（22）Rotate to an angle so that α=β, it is ensured that metal drop shower nozzle, one place straight line of liquid nitrogen jet pipe two and liquid nitrogen jet pipe, with fortune
The moving platform direction of motion is consistent all the time.
5. amorphous alloy material according to claim 1 is prepared and forming integrated 3D printing method, it is characterised in that：
Step（3）The pressure of middle inert gas pressure storage bottle is 0.8MPa.
6. amorphous alloy material according to claim 1 is prepared and forming integrated 3D printing method, it is characterised in that：
Step（3）The range of regulation of middle gas pressure regulator is 0-0.8MPa.
7. amorphous alloy material according to claim 1 prepare with forming integrated 3D printing method it is characterized in that：
Step（4）Described in high pressure nitrogen storage bottle pressure be 0.3-0.8MPa.
8. a kind of amorphous alloy material is prepared and forming integrated 3D printing device, it is characterised in that：High-pressure liquid nitrogen tank passes through
Liquid nitrogen pipe（7）It is connected with liquid nitrogen spray one, liquid nitrogen spray two respectively, in liquid nitrogen pipe, is provided with switch one, inert gas pressure storage
Deposit bottle to be connected with crucible by inert gas tube one, be provided with rotary heating furnace, crucible outside the crucible of motlten metal for holding
It is connected with metal drop shower nozzle by feed pipe, on feed pipe, is provided with switch two, inert gas pressure storage bottle passes through inertia
Gas tube two is connected with metal drop shower nozzle through gas pressure regulator, and deposition substrate is fixed on the base of triaxial movement platform,
Semiconductor cooling device is arranged on below deposition substrate, and round turntable is fixed by bolts to above hollow rotating platform, and metal melts
Droplet ejection head and liquid nitrogen jet pipe one, liquid nitrogen jet pipe two are fixed on the Z of triaxial movement platform by hollow rotating platform and round turntable
On axle, metal drop shower nozzle is provided with heat ray filter, the heat-insulated dress of ring heater and the installation of TC in metal drop shower nozzle
Put inner side.
9. a kind of amorphous alloy material according to claim 8 is prepared and forming integrated 3D printing device, its feature
It is：The semiconductor cooling device is made up of Top electrode, fin, rheostat, fan, power supply, quasiconductor, bottom electrode, on
Electrode is arranged on below deposition substrate, and quasiconductor, bottom electrode, fin and fan are set gradually below Top electrode, and power supply is just
Negative pole is connected with the bottom electrode left and right sides, forms loop, rheostat is provided with loop.
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| CN108465816A (en) * | 2018-06-20 | 2018-08-31 | 中北大学 | A kind of amorphous metal 3D printing feed device |
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