CN109332718A - The fast preparation method of 3D printing alloy powder - Google Patents
The fast preparation method of 3D printing alloy powder Download PDFInfo
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- CN109332718A CN109332718A CN201811388033.2A CN201811388033A CN109332718A CN 109332718 A CN109332718 A CN 109332718A CN 201811388033 A CN201811388033 A CN 201811388033A CN 109332718 A CN109332718 A CN 109332718A
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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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge
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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
- B33Y70/00—Materials specially adapted for additive manufacturing
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Abstract
The invention discloses a kind of fast preparation methods of 3D printing alloy powder, are related to 3D printing material preparation method technical field.The fast preparation method arranges multiple plasma electrode sticks on the insulation feeding side port periphery with material containing melting rotator, two high-speed rotating rotation electrodes of plasma electrode arranged beneath, plasma-arc is formed between plasma electrode stick and rotation electrode, plasma-arc heats rotation electrode, and pre- thermal insulation feeding side mouth.High pressure is formed inside material containing melting rotator, molten metal is sprayed by the feeding side port that insulate into plasma arc under the action of high pressure and high speed rotation, it is atomized and is further sprayed on High Temperature Rotating electrode, molten metal is further atomized and is reduced the size by rotation electrode, and the metal and alloy powder that can be used for 3D printing are cooled by cooling chamber.The metal alloy powders of this method preparation have the characteristics that sphericity is high, yield is high, size is small and ingredient is uniform.
Description
Technical field
The present invention relates to 3D printing field of material technology more particularly to a kind of quick preparation sides of 3D printing alloy powder
Method.
Background technique
Metal alloy 3D printing is most potential and forefront technology in the entire field 3D.3D printing metal closes
Bronze end is the critical material for printing metal component, and preparation difficulty is big, therefore holds at high price, and seriously limits metal conjunction
The development of golden 3D printing technique.The particle of 3D printing metal alloy powders usually requires that particle is uniform, ingredient is uniform, oxygen content
Low, good sphericity and good fluidity.Common 3D printing metal alloy powders include cochrome, titanium alloy, stainless steel etc..Mesh
Before, the technology of preparing of high-end 3D printing metal alloy powders is mainly monopolized by offshore company.
Summary of the invention
The technical problem to be solved by the present invention is to how to provide a kind of metal alloy powders prepared have sphericity it is high,
Yield is high, size is small, oxygen content is low and the uniform method of ingredient.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of 3D printing alloy powder it is quick
Preparation method, the method use the quick preparation device of 3D printing alloy powder, it is characterised in that include the following steps:
Solid metal alloy is added in melting kettle into melting material loader, by one section and the melting kettle nozzle of melting kettle
Internal diameter identical solid metal alloy silk insertion melting kettle nozzle in, the nozzle side port on melting kettle nozzle is blocked,
Inflatable rotary lid and melting material loader are tightly connected, while the water cooling of multiple plasma electrode sticks to plasma electrode component
Recirculated water is passed through in hole to cool down the insulation feed pipe in plasma electrode component；
Close metal powder discharge port, by the first equilibrium air pressure valve for being connected on furnace body with spray chamber and with the working chamber
The second equilibrium air pressure valve being connected, is filled with inertia after the working chamber on the upside of furnace body and the spray chamber on the downside of furnace body are vacuumized
Gas is to 105Pa keeps internal and external pressure difference balance；Starting heater heats material containing melting rotator, until melting earthenware
Solid metal alloy in crucible is molten into metallic alloy melt；At this time since insulation feed pipe is by multiple plasma electrode sticks
Circulating water and make the metallic alloy melt in melting kettle nozzle flow to insulation feed pipe position after be solidified as solid, point
The working chamber Ge Liao and spray chamber；Rotator device of rotation driving outside starting furnace body makes swingle drive material containing melting rotator
High-speed rotation is filled with high pressure gas into material containing melting rotator by Inflatable rotary pipe；
Start the first rotation electrode and the second rotation electrode, after the first rotation electrode and the second rotation electrode stability of rotation, opens
Move multiple plasma electrode sticks so that between multiple plasma electrode sticks and the first rotation electrode and the second rotation electrode formed etc. from
Sub- electric arc；With the rotation of melting rotator, when plasma electrode stick is opposite with to melting kettle nozzle, ion electrode stick is logical
It crosses insulation feeding side port and nozzle side port sparks to solid metal alloy；It cuts off in multiple plasma electrode sticks
Recirculated water, the temperature of multiple plasma electrode stick fevers, plasma-arc and metallic alloy melt is jointly to melting kettle nozzle
Interior solid metal alloy, which carries out heating, makes its fusing, and the metallic alloy melt in material containing melting rotator is by internal high therewith
Pressure and itself high speed rotation make its successively pass through melting kettle nozzle side port and insulation feeding side port backlash go out to etc. from
Below sub- electric arc, the molten drop of initial atomization is formed, the molten drop of initial atomization is further heated by plasma-arc, makes
It strikes high-speed rotating first rotation electrode and the second rotation electrode surface；
The molten drop of initial atomization hit after high-speed rotating first rotation electrode and the second rotation electrode impact force and from
It is further crushed under the action of mental and physical efforts, the molten drop of each initial atomization is sticked to the first rotation electrode and the except sub-fraction
Behind two rotation electrode surfaces, rest part is separated into more tiny high-speed cruising molten drop；
The molten drop of high-speed cruising forms metal alloy powders after entering cooling chamber, and is sprayed on conveyer belt, is opening furnace body
After the metal powder discharge port of downside, continue to be filled with inert gas, inert gas into spray chamber by the first equilibrium air pressure valve
The metal alloy powders being atomized are blown out into furnace body by metal powder discharge port, complete the preparation of metal alloy powders.
A further technical solution lies in: the quick preparation device includes furnace body, is separated in the furnace body by partition
At working chamber and spray chamber two parts, material containing melting rotator, the rotator are provided in the working chamber of upside
It is inside provided with melting kettle, the melting kettle nozzle of the melting kettle passes through the partition and makes melting kettle nozzle lower end
Nozzle side port be located under the partition, the upper end of the rotator is provided with swingle, and the upper end of the swingle extends
Outside to the furnace body, the aeration aperture being connected with the rotator, the outside setting of the furnace body are provided in the swingle
There is the rotator device of rotation driving being connected with the swingle, having heaters is arranged in the outside of the rotator, described to add
Hot device for being heated to the melting kettle, the outer sheath of the melting kettle nozzle on the downside of the baffle be equipped with it is equal from
Sub-electrode component, and the plasma electrode component is located at the upside of the nozzle side port, the downside of the melting kettle nozzle
Be provided with the first rotation electrode and the second rotation electrode, when plasma electrode stick in the plasma component is powered described in first
Between the surface of rotation electrode and the lower end of the plasma electrode stick and surface of second rotation electrode and described etc.
Plasma-arc is formed between the lower end of ion electrode stick, first rotation electrode and the second rotation electrode rotate outside furnace body
Inward against rotation under the driving of electrod driving device；It is provided on the downside of first rotation electrode and the second rotation electrode cold
But room is provided with transmission device on the downside of the cooling chamber, and the transmission device extends to the metal powder on the downside of the spray chamber
In last discharge port, be respectively arranged on the furnace body the first equilibrium air pressure valve being connected to spray chamber and with the working chamber
The second equilibrium air pressure valve being connected.
A further technical solution lies in: the upper surface of the baffle is provided with rolling bearing, the material containing melting rotation
The lower end of device passes through the baffle after being fixedly connected with the inner ring of the rolling bearing.
A further technical solution lies in: the plasma electrode component includes insulation feed pipe, the insulation feed pipe
Lower end closed, and insulation feed pipe position corresponding with the nozzle side port be provided with insulation feeding side port, it is described
The periphery of insulation feed pipe is provided with several plasma electrode sticks, be provided on the outside of the plasma electrode stick with it is described etc.
Ion electrode stick number identical ion electrode fixture block is separated between the ion electrode fixture block by fixture block insulation board,
Water cooling hole is provided on the plasma motor stick.
A further technical solution lies in: the plasma electrode component further includes plasma electric polar conductor, each electrode
Fixture block is connected with a plasma electric polar conductor, and the plasma electric polar conductor is pierced by the furnace body out of described baffle；Deng
The distribution of ion electrode stick is symmetrical along the line of symmetry of the first rotation electrode and the second rotation electrode.
A further technical solution lies in: the upper end of cooling chamber has feed inlet, and the periphery of the cooling chamber is provided with cold
But water pipe.
A further technical solution lies in: the transmission device includes delivery wheel and conveyer belt, and the conveyer belt passes through institute
Delivery wheel is stated to be driven.
It include Inflatable rotary lid and melting material loader a further technical solution lies in: the material containing melting rotator,
It is sealedly and fixedly connected between the Inflatable rotary lid and the melting material loader, the swingle is located at the Inflatable rotary lid
On.
A further technical solution lies in: first turn of electrode and the second rotation electrode use the height with conductive characteristic
Warm material production, or made using copper material；First turn of electrode of copper material and the second rotation electrode interior design water
Road, to play cooling effect.
The beneficial effects of adopting the technical scheme are that the fast preparation method is revolved with material containing melting
Multiple plasma electrode sticks, the two high-speed rotating rotations of plasma electrode arranged beneath are arranged in the insulation feeding side port periphery for turning device
Turn electrode, form plasma-arc between plasma electrode stick and rotation electrode, plasma-arc heats rotation electrode, and preheats exhausted
Edge feeding side port.High pressure is formed inside material containing melting rotator, molten metal passes through insulation under the action of high pressure and high speed rotation
Feeding side port is sprayed into plasma arc, is atomized and is further sprayed on High Temperature Rotating electrode, rotation electrode further will be golden
Belong to liquid mist and reduce the size, the metal and alloy powder that can be used for 3D printing are cooled by cooling chamber.This method preparation
Metal alloy powders have the characteristics that sphericity is high, yield is high, size is small and ingredient is uniform.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of quick preparation device described in the embodiment of the present invention；
Fig. 2 is partial enlargement structural representation in quick preparation device described in the embodiment of the present invention；
Fig. 3 is the partial cross-sectional structural diagram in plasma electrode component described in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of melting kettle in quick preparation device described in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of insulation feed pipe in quick preparation device described in the embodiment of the present invention；
Wherein: 1: furnace body；2: material containing melting rotator；2-1: Inflatable rotary lid；2-2: melting material loader；2-3: swingle；2-
4: aeration aperture；3: heater；4: metallic alloy melt；5: partition；6-1: plasma electric polar conductor；6-2: ion electrode fixture block；
6-3: fixture block insulation board；7: plasma electrode stick；7-1: water cooling hole；8: plasma-arc；9: the first rotation electrodes；10: cooling
Room；11: cooling water pipe；12: metal alloy powder；13: metal powder discharge port；14: delivery wheel；15: conveyer belt；16: the first balances
Air pressure valve；17: spray chamber；18: the second rotation electrodes；19: insulation feed pipe；19-1: insulation feeding side port；20: rotation axis
It holds；21: working chamber；22: the second equilibrium air pressure valves；23: melting kettle；23-1: melting kettle nozzle；23-2, nozzle side port.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
As shown in Fig. 1-Fig. 2 and Fig. 4, the embodiment of the invention discloses a kind of quick preparation of 3D printing alloy powder dresses
It sets, including furnace body 1,17 two parts of working chamber 21 and spray chamber, the institute positioned at upside is separated by partition 5 in the furnace body 1
It states and is provided with material containing melting rotator 2 in working chamber 21, melting kettle 23, the melting kettle 23 are provided in the rotator
Melting kettle nozzle 23-1 pass through and the partition 5 and the nozzle side port 23-2 of the lower end melting kettle nozzle 23-1 made to be located at institute
It states under partition 5.The upper end of the rotator is provided with swingle 2-3, and the upper end of the swingle 2-3 extends to the furnace body
Outside 1, the aeration aperture 2-4 being connected with the rotator is provided in the swingle 2-3, the outside of the furnace body 1 is provided with
The rotator device of rotation driving being connected with the swingle 2-3, having heaters 3 is arranged in the outside of the rotator, described
Heater 3 is for heating the melting kettle 23.
Outer sheath positioned at the melting kettle nozzle 23-1 of 5 downside of baffle is equipped with plasma electrode component, and described
Plasma electrode component is located at the upside of the nozzle side port 23-2, is provided with first on the downside of the melting kettle nozzle 23-1
Rotation electrode 9 and the second rotation electrode 18, it is preferred that first turn of electrode 9 and the second rotation electrode 18 are conductive using having
The high temperature material of characteristic makes, or is made using copper material.Plasma electrode stick 7 in the plasma component is powered
Between the surface of the first rotation electrode of Shi Suoshu 9 and the lower end of the plasma electrode stick 7 and second rotation electrode 18
Surface and the plasma electrode stick 7 lower end between formed plasma-arc 8.
First rotation electrode 9 and the second rotation electrode 18 rotate under the driving of electrod driving device inwardly outside furnace body
It relatively rotates；The 18 interior design water route of first turn of electrode 9 and the second rotation electrode of copper material, to play cooling effect；Institute
The downside for stating the first rotation electrode 9 and the second rotation electrode 18 is provided with cooling chamber 10, and the downside of the cooling chamber 10 is provided with
Transmission device, the transmission device extend in the metal powder discharge port 13 of 17 downside of spray chamber, divide on the furnace body 1
The second balance for not being provided with the first equilibrium air pressure valve 16 being connected to spray chamber 17 and being connected with the working chamber 21
Air pressure valve 22.In order to guarantee the stability of the rotation of material containing melting rotator 2, it is provided in the upper surface of the baffle 5
Rolling bearing 20, the lower end of the material containing melting rotator 2 pass through described after being fixedly connected with the inner ring of the rolling bearing 20
Baffle 5 supports the material containing melting rotator 2 by the rolling bearing 20, keeps its rotation more stable.
As shown in Fig. 2, Fig. 3 and Fig. 5, the plasma electrode component includes insulation feed pipe 19, the insulation feed pipe
19 lower end closed, and the insulation feed pipe 19 position corresponding with the nozzle side port 23-2 is provided with insulation feeding side
Mouth 19-1.The feeding side port 19-1 that insulate is connected to 19 inside of insulation feed pipe and external, insulate feeding side port 19-1 and insulation feeding
The injection direction of the metallic alloy melt of pipe 19 forms acute angle.Melting kettle nozzle 23-1 insertion insulation feed pipe 19, and with it is exhausted
The inner port of edge feeding side port 19-1 is concordant.The periphery of the insulation feed pipe 19 is provided with several plasma electrode sticks 7, institute
The outside for stating plasma electrode stick 7 is provided with the identical ion electrode fixture block 6-2 with 7 numbers of the plasma electrode stick, described
It is separated between ion electrode fixture block 6-2 by fixture block insulation board 6-3, is provided with water cooling hole on the plasma motor stick 7
7-1.As depicted in figs. 1 and 2, the plasma electrode component further includes plasma electric polar conductor 6-1, each electrode chuck 6-2
It is connected with a plasma electric polar conductor 6-1, the plasma electric polar conductor 6-1 is pierced by the furnace body out of described baffle；
The distribution of plasma electrode stick 7 is symmetrical along the line of symmetry of the first rotation electrode 9 and the second rotation electrode 18.It is multiple it is equal from
Sub-electrode stick 7 not only provides electric arc, while the metallic alloy melt returned in insulation feed pipe 19 further heats, and prevents nozzle
Side port 23-2 and insulation feeding side port 19-1 blocking.
As shown in Figure 1, the upper end of cooling chamber 10 has feed inlet, the periphery of the cooling chamber 10 is provided with cooling water pipe
11.The transmission device includes delivery wheel 14 and conveyer belt 15, and the conveyer belt 15 is driven by the delivery wheel 14.
As shown in figure 4, the material containing melting rotator 2 includes Inflatable rotary lid 2-1 and melting material loader 2-2, it is described
It is sealedly and fixedly connected between Inflatable rotary lid 2-1 and the melting material loader 2-2, the swingle 2-3 is located at the rotation and fills
On gas lid 2-1.
The invention also discloses a kind of fast preparation method of 3D printing alloy powder, the method uses the quick system
Standby device, includes the following steps:
Solid metal alloy is added in melting kettle 23 into melting material loader 2-2, by one section and the melting of melting kettle 23
In the identical solid metal alloy silk insertion melting kettle nozzle 23-1 of the internal diameter of crucible nozzle 23-1, by melting kettle nozzle
Nozzle side port 23-2 blocking on 23-1, is first blocked with wire, the seam in melting kettle nozzle 23-1 and nozzle side port 23-2
Gap becomes very little, and smelt stage melt is easy cooled when passing through these gaps, is unlikely to be not cooled by and thoroughly flows down suddenly；
Inflatable rotary lid 2-1 and melting material loader 2-2 are tightly connected, while to multiple plasma electrode sticks of plasma electrode component
Recirculated water is passed through in 7 water cooling hole to cool down the insulation feed pipe 19 in plasma electrode component；
Close metal powder discharge port 13, by the first equilibrium air pressure valve 16 for being connected on furnace body with spray chamber 17 and with it is described
The second equilibrium air pressure valve 22 that working chamber 21 is connected, by the spray chamber 17 of 1 downside of the working chamber 21 of 1 upside of furnace body and furnace body
Inert gas is filled with after vacuumizing to 105Pa keeps internal and external pressure difference balance；Start heater 3 to material containing melting rotator 2 into
Row heating, until the solid metal alloy in melting kettle 23 is molten into metallic alloy melt 4；At this time due to the feed pipe 19 that insulate
By the circulating water in multiple plasma electrode sticks 7 metallic alloy melt 4 in melting kettle nozzle 23-1 is flow to
Insulation is solidified as solid behind 19 position of feed pipe, has divided working chamber 21 and spray chamber 17；Start the rotator rotation outside furnace body 1
Driving device makes swingle 2-3 drive 2 high-speed rotation of material containing melting rotator, by Inflatable rotary pipe 2-4 to material containing melting
High pressure gas is filled in rotator 2；
Start the first rotation electrode 9 and the second rotation electrode 18, to 18 stability of rotation of the first rotation electrode 9 and the second rotation electrode
Afterwards, start multiple plasma electrode sticks 7, so that multiple plasma electrode sticks 7 and the first rotation electrode 9 and the second rotation electrode 18
Between formed plasma-arc 8；With the rotation of melting rotator 2, when plasma electrode stick 7 with to melting kettle nozzle 23-1 phase
Clock synchronization, ion electrode stick 7 put solid metal alloy progress moment by insulation feeding side port 19-1 and nozzle side port 23-2
Electricity.The recirculated water in multiple plasma electrode sticks 7 is cut off, multiple fevers of plasma electrode stick 7, plasma-arc 8 and metal close
The temperature of golden melt 4, which carries out heating to the solid metal alloy in melting kettle nozzle 23-1 jointly, makes its fusing, material containing therewith
Metallic alloy melt 4 in melting rotator 2 makes it successively pass through melting earthenware by internal high pressure and the high speed rotation of itself
It is gone out after crucible nozzle side port 23-2 and insulation feeding side port 19-1 to 8 lower section of plasma-arc, forms the metal of initial atomization
The molten drop of drop, initial atomization is further heated by plasma-arc 8, it is made to strike high-speed rotating first electric rotating
18 surface of pole 9 and the second rotation electrode；
The molten drop of initial atomization hit after high-speed rotating first rotation electrode 9 and the second rotation electrode 18 in impact force and
It is further crushed under the action of centrifugal force, the molten drop of each initial atomization removes sub-fraction and is sticked to the first rotation electrode 9
And behind 18 surface of the second rotation electrode, rest part is separated into more tiny high-speed cruising molten drop；
The molten drop of high-speed cruising forms metal alloy powders 12 after entering cooling chamber 10, and is sprayed on conveyer belt 15, is beating
After metal powder discharge port 13 on the downside of blow-on body, continue to be filled with indifferent gas into spray chamber 17 by the first equilibrium air pressure valve 16
The metal alloy powders 12 being atomized are blown out furnace body 1 by metal powder discharge port 13, complete metal alloy by body, inert gas
The preparation of powder 12.
The quick preparation device and method are multiple in the insulation feeding side port periphery arrangement with material containing melting rotator
Plasma electrode stick, two high-speed rotating rotation electrodes of plasma electrode arranged beneath, plasma electrode stick and rotation electrode
Between form plasma-arc, plasma-arc heats rotation electrode, and pre- thermal insulation feeding side mouth.Inside material containing melting rotator
High pressure is formed, molten metal is sprayed by the feeding side port that insulate into plasma arc under the action of high pressure and high speed rotation, by mist
Change and be further sprayed on High Temperature Rotating electrode, molten metal is further atomized and is reduced the size by rotation electrode, by cooling chamber
It is cooled into the metal and alloy powder that can be used for 3D printing.The metal alloy powders of device and method preparation have sphericity
Feature high, yield is high, size is small and ingredient is uniform.
Claims (9)
1. a kind of fast preparation method of 3D printing alloy powder, the method is filled using the quick preparation of 3D printing alloy powder
It sets, it is characterised in that include the following steps:
Solid metal alloy is added in melting kettle (23) into melting material loader (2-2), by one section and melting kettle (23)
Melting kettle nozzle (23-1) internal diameter identical solid metal alloy silk insertion melting kettle nozzle (23-1) in, by melting
Nozzle side port (23-2) blocking on crucible nozzle (23-1), Inflatable rotary lid (2-1) and melting material loader (2-2) sealing are connected
It connects, while being passed through recirculated water into the water cooling hole of multiple plasma electrode sticks (7) of plasma electrode component to cool down plasma
Insulation feed pipe (19) in electrode assembly；
Close metal powder discharge port (13), by the first equilibrium air pressure valve (16) for being connected on furnace body with spray chamber (17) and
The second equilibrium air pressure valve (22) being connected with the working chamber (21), by the upside of furnace body (1) working chamber (21) and furnace body
(1) spray chamber (17) on the downside of is filled with inert gas to 10 after vacuumizing5Pa keeps internal and external pressure difference balance；Start heater
(3) material containing melting rotator (2) is heated, until the solid metal alloy in melting kettle (23) is molten into metal alloy
Melt (4)；Melting earthenware is made by the circulating water in multiple plasma electrode sticks (7) due to insulation feed pipe (19) at this time
Metallic alloy melt (4) in crucible nozzle (23-1) is solidified as solid after flowing to insulation feed pipe (19) position, has divided melting
Room (21) and spray chamber (17)；The rotator device of rotation driving of starting furnace body (1) outside makes swingle (2-3) to drive material containing molten
Rotator (2) high-speed rotation is refined, high pressure gas is filled with into material containing melting rotator (2) by Inflatable rotary pipe (2-4)；
Start the first rotation electrode (9) and the second rotation electrode (18), to the first rotation electrode (9) and the second rotation electrode (18)
After stability of rotation, start multiple plasma electrode sticks (7) so that multiple plasma electrode sticks (7) and the first rotation electrode (9) and
Plasma-arc (8) are formed between second rotation electrode (18)；With the rotation of melting rotator (2), when plasma electrode stick (7)
When opposite with to melting kettle nozzle (23-1), ion electrode stick (7) passes through insulation feeding side port (19-1) and nozzle side port
(23-2) sparks to solid metal alloy；Cut off the recirculated water in multiple plasma electrode sticks (7), multiple plasmas
The temperature of electrode bar (7) fever, plasma-arc (8) and metallic alloy melt (4) is jointly in melting kettle nozzle (23-1)
Solid metal alloy carry out heating make its fusing, the metallic alloy melt (4) in material containing melting rotator (2) is by interior therewith
Portion's high pressure and the high speed rotation of itself make it successively pass through melting kettle nozzle side port (23-2) and insulation feeding side port
Gone out after (19-1) to below plasma-arc (8), forming the molten drop of initial atomization, the molten drop of initial atomization by etc.
Ionic arc (8) further heats, it is made to strike high-speed rotating first rotation electrode (9) and the second rotation electrode (18) table
Face；
The molten drop of initial atomization is being hit after hitting high-speed rotating first rotation electrode (9) and the second rotation electrode (18)
It is further crushed under the action of power and centrifugal force, the molten drop of each initial atomization removes sub-fraction and is sticked to the first electric rotating
Behind pole (9) and the second rotation electrode (18) surface, rest part is separated into more tiny high-speed cruising molten drop；
The molten drop of high-speed cruising enters cooling chamber (10) and forms metal alloy powders (12) afterwards, and is sprayed onto conveyer belt (15)
On, after opening the metal powder discharge port (13) on the downside of furnace body, continued by the first equilibrium air pressure valve (16) to spray chamber
(17) inert gas is filled in, inert gas is blown the metal alloy powders being atomized (12) by metal powder discharge port (13)
The preparation of metal alloy powders (12) is completed in furnace body (1) out.
2. the fast preparation method of 3D printing alloy powder as described in claim 1, it is characterised in that: the quick preparation dress
It sets including furnace body (1), the furnace body (1) is interior to be separated into working chamber (21) and spray chamber (17) two parts by partition (5), is located at
It is provided with material containing melting rotator (2) in the working chamber (21) of upside, melting kettle (23) are provided in the rotator,
The melting kettle nozzle (23-1) of the melting kettle (23) passes through the partition (5) and makes under melting kettle nozzle (23-1)
The nozzle side port (23-2) at end is located under the partition (5), and the upper end of the rotator is provided with swingle (2-3), described
The upper end of swingle (2-3) extends to the furnace body (1) outside, is provided in the swingle (2-3) and is connected with the rotator
Logical aeration aperture (2-4) is provided with the rotator rotation being connected with the swingle (2-3) on the outside of the furnace body (1) and drives
Having heaters (3) are arranged in the outside of dynamic device, the rotator, the heater (3) be used for the melting kettle (23) into
Row heating, the outer sheath for being located at the melting kettle nozzle (23-1) on the downside of the baffle (5) are equipped with plasma electrode component, and institute
State the upside that plasma electrode component is located at the nozzle side port (23-2), the downside setting of the melting kettle nozzle (23-1)
There are the first rotation electrode (9) and the second rotation electrode (18), plasma electrode stick (7) the energization when institute in the plasma component
It states between the surface of the first rotation electrode (19) and the lower end of the plasma electrode stick (7) and second rotation electrode
(18) plasma-arc (8) are formed between the lower end on surface and the plasma electrode stick (7), first rotation electrode
(9) it is rotated outside furnace body under the driving of electrod driving device with the second rotation electrode (18) inward against rotation；First rotation
Turn to be provided with cooling chamber (10) on the downside of electrode (9) and the second rotation electrode (18), be provided on the downside of the cooling chamber (10)
Transmission device, the transmission device extend in the metal powder discharge port (13) on the downside of the spray chamber (17), the furnace body
(1) it is respectively arranged on the first equilibrium air pressure valve (16) of spray chamber (17) connection and is connected with the working chamber (21)
The second logical equilibrium air pressure valve (22).
3. the fast preparation method of 3D printing alloy powder as claimed in claim 2, it is characterised in that: the baffle (5)
Upper surface is provided with rolling bearing (20), the lower end of the material containing melting rotator (2) and the inner ring of the rolling bearing (20)
The baffle (5) are passed through after being fixedly connected.
4. the fast preparation method of 3D printing alloy powder as claimed in claim 2, it is characterised in that: the plasma electrode
Component includes insulation feed pipe (19), the lower end closed of insulation feed pipe (19), and the insulation feed pipe (19) and institute
It states the corresponding position of nozzle side port (23-2) and is provided with insulation feeding side port (19-1), the periphery of insulation feed pipe (19)
Several plasma electrode sticks (7) are provided with, are provided on the outside of the plasma electrode stick (7) and the plasma electrode stick
(7) the identical ion electrode fixture block (6-2) of number, between the ion electrode fixture block (6-2) by fixture block insulation board (6-3) into
Row separates, and is provided with water cooling hole (7-1) on the plasma motor stick (7).
5. the fast preparation method of 3D printing alloy powder as claimed in claim 4, it is characterised in that: the plasma electrode
Component further includes plasma electric polar conductor (6-1), each electrode chuck (6-2) with plasma electric polar conductor (6-1) phase
Even, the plasma electric polar conductor (6-1) is pierced by the furnace body out of described baffle；The distribution of plasma electrode stick (7) along
First rotation electrode (9) and the line of symmetry of the second rotation electrode (18) are symmetrical.
6. the fast preparation method of 3D printing alloy powder as claimed in claim 2, it is characterised in that: cooling chamber (10) it is upper
End has feed inlet, and the periphery of the cooling chamber (10) is provided with cooling water pipe (11).
7. the fast preparation method of 3D printing alloy powder as claimed in claim 2, it is characterised in that: the transmission device packet
Delivery wheel (14) and conveyer belt (15) are included, the conveyer belt (15) is driven by the delivery wheel (14).
8. the fast preparation method of 3D printing alloy powder as claimed in claim 2, it is characterised in that: the material containing melting rotation
Turning device (2) includes Inflatable rotary lid (2-1) and melting material loader (2-2), and the Inflatable rotary lid (2-1) and the melting carry
It is sealedly and fixedly connected between glassware (2-2), the swingle (2-3) is located on the Inflatable rotary lid (2-1).
9. the fast preparation method of 3D printing alloy powder as claimed in claim 2, it is characterised in that: first turn of electrode
(9) and the second rotation electrode (18) is made using the high temperature material with conductive characteristic, or is made using copper material；Copper
First turn of electrode (9) of material and the second rotation electrode (18) interior design water route, to play cooling effect.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750320A (en) * | 2019-03-04 | 2019-05-14 | 张华宇 | The method for preparing metal alloy powders is combined in atomization electrolysis |
| CN109777989A (en) * | 2019-03-21 | 2019-05-21 | 孟静 | The production method of aluminum alloy doors and windows |
| CN117086316A (en) * | 2023-10-19 | 2023-11-21 | 季华实验室 | Rotary wheel centrifugal atomization equipment and use method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316308A (en) * | 2001-02-26 | 2001-10-10 | 沈阳工业大学 | Planar slip casting technology for making powder and its technological equipment |
| WO2001091525A2 (en) * | 2000-05-22 | 2001-11-29 | The Regents Of The University Of California | High-speed fabrication of highly uniform ultra-small metallic microspheres |
| CN2487474Y (en) * | 2001-04-18 | 2002-04-24 | 孙宝玉 | Vacuum quick hardening furnace |
| KR100526646B1 (en) * | 1999-11-09 | 2005-11-08 | 이시가와지마 하리마 쥬우고오교 가부시끼가이샤 | Thin metal strip producing device |
| CN105731462A (en) * | 2010-05-18 | 2016-07-06 | 美塔斯菲尔技术公司 | Method of producing refractory material powder and device to this end |
| CN108025365A (en) * | 2015-07-17 | 2018-05-11 | Ap&C高端粉末涂料公司 | Plasma atomized metal pow der manufacturing process and its system |
-
2018
- 2018-11-21 CN CN201811388033.2A patent/CN109332718A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100526646B1 (en) * | 1999-11-09 | 2005-11-08 | 이시가와지마 하리마 쥬우고오교 가부시끼가이샤 | Thin metal strip producing device |
| WO2001091525A2 (en) * | 2000-05-22 | 2001-11-29 | The Regents Of The University Of California | High-speed fabrication of highly uniform ultra-small metallic microspheres |
| CN1316308A (en) * | 2001-02-26 | 2001-10-10 | 沈阳工业大学 | Planar slip casting technology for making powder and its technological equipment |
| CN2487474Y (en) * | 2001-04-18 | 2002-04-24 | 孙宝玉 | Vacuum quick hardening furnace |
| CN105731462A (en) * | 2010-05-18 | 2016-07-06 | 美塔斯菲尔技术公司 | Method of producing refractory material powder and device to this end |
| CN108025365A (en) * | 2015-07-17 | 2018-05-11 | Ap&C高端粉末涂料公司 | Plasma atomized metal pow der manufacturing process and its system |
Non-Patent Citations (1)
| Title |
|---|
| 李月珠: "《快速凝固技术和材料》", 30 November 1993 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750320A (en) * | 2019-03-04 | 2019-05-14 | 张华宇 | The method for preparing metal alloy powders is combined in atomization electrolysis |
| CN109777989A (en) * | 2019-03-21 | 2019-05-21 | 孟静 | The production method of aluminum alloy doors and windows |
| CN117086316A (en) * | 2023-10-19 | 2023-11-21 | 季华实验室 | Rotary wheel centrifugal atomization equipment and use method |
| CN117086316B (en) * | 2023-10-19 | 2023-12-15 | 季华实验室 | A runner centrifugal atomization equipment and its use method |
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