CN109604623A - The quick-fried fuel pulverizing plant of mariages arc - Google Patents
The quick-fried fuel pulverizing plant of mariages arc Download PDFInfo
- Publication number
- CN109604623A CN109604623A CN201910077463.0A CN201910077463A CN109604623A CN 109604623 A CN109604623 A CN 109604623A CN 201910077463 A CN201910077463 A CN 201910077463A CN 109604623 A CN109604623 A CN 109604623A
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- 238000010298 pulverizing process Methods 0.000 title claims abstract description 27
- 239000000446 fuel Substances 0.000 title claims abstract description 26
- 238000012546 transfer Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 230000000399 orthopedic effect Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 45
- 239000002184 metal Substances 0.000 abstract description 29
- 229910052751 metal Inorganic materials 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 19
- 238000010146 3D printing Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000013528 metallic particle Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
This application involves 3D printing technique fields, specifically, it is related to a kind of quick-fried fuel pulverizing plant of mariages arc, it includes first unit and second unit, the first unit and second unit include transfer assembly, ignition tip and electrode, wherein, channel is formed in the ignition tip, the transfer assembly is for wire to be sent in the ignition tip, the wire is set to pass through the channel, the extended line intersection that the channel of the first unit and the channel of the second unit are on same straight line or both, the ignition tip is connected with the electrode, the first unit and the opposite electricity of the electrode band polarized of the second unit.A kind of quick-fried fuel pulverizing plant of mariages arc provided in this embodiment, by the way that the end of two one metal wire materials is constantly melted into molten drop, final cooled and solidified is at metal powder, entire production process metal liquid does not contact other substances, improve the purity of metal powder, fine powder recovery rate reaches 70% or more, reduces the loss of metal material.
Description
Technical field
This application involves 3D printing technique fields, in particular to a kind of quick-fried fuel pulverizing plant of mariages arc.
Background technique
Metal powder is the important branch of material industry, prepares workpiece using metal powder, has other materials institute nothing
The excellent properties that method obtains.With the appearance of 3D printing technique, the application of metal powder is pushed to another climax.Especially exist
Aerospace, automobile manufacturing field, the processing of the metal parts such as some hardly possible processing, configuration complexity, gradually by 3D printing technique reality
It is existing.
The metal powder of 3D printing demand, quality requirements are higher, and powder properties are the huge of limitation 3D printing technique development
Bottleneck.Therefore, the research and development of 3D printing proprietary material are the most important things of 3D printing technique development.The preparation of high-performance metal powder
Great attention by industrially developed country.
High pressure gas atomization with crucible is the main stream approach of current preparation 3D printing metal powder, and this method has
Following drawback: the grain shape for obtaining powder is not regular enough, it is necessary to can just obtain by repeatedly screening and inspection standard compliant
Particle size range, for fine powder recovery rate less than 30%, metal material loss is larger.
Summary of the invention
In order to solve the above-mentioned technical problem or it at least is partially solved above-mentioned technical problem, to obtain grain shape circle
The metal powder of whole rule, this application provides a kind of quick-fried fuel pulverizing plants of mariages arc.
According to the quick-fried fuel pulverizing plant of mariages arc of the embodiment of the present application comprising first unit and second unit, described first
Unit and second unit include transfer assembly, ignition tip and electrode, wherein channel, the biography are formed in the ignition tip
Sending component is used to for wire being sent in the ignition tip, and the wire is made to pass through the channel, the first unit
The extended line intersection that channel and the channel of the second unit are on same straight line or both, the ignition tip and the electrode
It is connected, the opposite electricity of the electrode band polarized of the first unit and the second unit.
Further, in the quick-fried fuel pulverizing plant of the application mariages arc, the transfer assembly includes third roller and four-roller
Wheel, the third roller are driving wheel, and the 4th roller is driven wheel, shape between the third roller and the 4th roller
At having for by the gap of the wire, the one end in channel described in the gap face.
Further, further include orthopedic component in the quick-fried fuel pulverizing plant of the application mariages arc, the orthopedic component with it is described
Ignition tip is separately positioned on the two sides of the transfer assembly, and the orthopedic component makes the gold for orthopedic to the wire
Belong to silk and is in tensioned state.
Further, in the quick-fried fuel pulverizing plant of the application mariages arc, the orthopedic component includes the first roller and the second roller
Wheel, first roller are spindle, and the wire tangentially bypasses first roller at spindle tee section minimum position
Tangentially enter the transfer assembly by by the second roller.
Further, in the quick-fried fuel pulverizing plant of the application mariages arc, the both ends of the ignition tip are cone cell, the channel
Diameter be greater than the wire diameter.
Further, in the quick-fried fuel pulverizing plant of the application mariages arc, the gold that is transmitted in the first unit and second unit
The material for belonging to silk is identical.
A kind of quick-fried fuel pulverizing plant of mariages arc provided in this embodiment, by the way that the end of two one metal wire materials to be constantly melted into
Molten drop, final cooled and solidified do not contact other substances, improve metal at metal powder, entire production process metal liquid
The purity of powder, fine powder recovery rate reach 70% or more, reduce the loss of metal material.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 shows schematically the structural reference figure of the quick-fried fuel pulverizing plant of the application mariages arc；
Fig. 2 shows schematically the structural reference figure of another embodiment of the quick-fried fuel pulverizing plant of the application mariages arc.
In figure:
11, the first wire；12, the second wire；21, the first roller；22, the second roller；23, third roller；24,
Four rollers；3, ignition tip；41, first electrode；42, second electrode；5, conductor wire；6, the quick-fried powder of arc.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
In this application, term " on ", "lower", "inner", " in ", "outside", the orientation of the instructions such as "front", "rear" or position close
System is to be based on the orientation or positional relationship shown in the drawings.These terms are primarily to better describe the application and its implementation
Example, is not intended to limit indicated device, element or component must have particular orientation, or carries out structure with particular orientation
It makes and operates.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in this application can be understood as the case may be.
In addition, term " setting ", " connection ", " fixation " shall be understood in a broad sense.For example, " connection " may be a fixed connection,
It is detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be directly connected, or pass through centre
Medium is indirectly connected, or is two connections internal between device, element or component.For ordinary skill
For personnel, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
As shown in Figure 1, the embodiment of the present application provides a kind of quick-fried fuel pulverizing plant of mariages arc.The device include first unit and
Second unit, first unit and second unit include transfer assembly, ignition tip 3 and electrode, wherein are formed in ignition tip 3
Channel, transfer assembly make wire pass through channel for wire to be sent in ignition tip 3, the channel of first unit and the
The extended line intersection that the channel of Unit two is on same straight line or both, ignition tip 3 are connected with electrode, first unit and second
The opposite electricity of the electrode band polarized of unit.Specifically, first unit includes transfer assembly, ignition tip 3 and first electrode 41,
The transfer assembly of Unit one makes the first wire 11 pass through channel for the first wire 11 to be sent in ignition tip 3；Second
Unit includes transfer assembly, ignition tip 3 and second electrode 42, and the transfer assembly of second unit is for transmitting the second wire 12
To ignition tip 3, the second wire 12 is made to pass through channel.The channel of first unit and the channel of second unit are in same straight line
Upper or both extended line intersection, can enable the discharging direction of the first wire 11 and the second wire 12 intersect or
On same straight line, it can guarantee that the first wire 11 and 12 end of the second wire are in contact in atomization process in this way.
A kind of quick-fried fuel pulverizing plant of mariages arc provided by the above embodiment, since first electrode 41 and second electrode 42 have pole
Property opposite electricity can be with so that the first wire 11 and the second wire 12 have opposite polarity electricity, when the two contacts
It generates high energy arc and local moment is contacted with the second wire 12 by the first wire 11 under the action of high energy arc
Arc is quick-fried, can obtain metal powder, i.e. the quick-fried powder 6 of arc, the metallic particles that unit volume inner arc bursts into powder has respective running track,
Mutually contactless, the contraction that metallic particles can complete itself to the greatest extent is frozen into spherical powder, regular shape, and mentions
High fine powder recovery rate, can achieve 70% or more, reduces the loss of metal material.In addition, by by the first wire 11
It is constantly melted into molten drop with the end of the second wire 12, final cooled and solidified is at metal powder, entire production process gold
Belong to liquid and do not contact other substances, improves the purity of metal powder, can be to avoid in the related technology, wire and electrode material
Or atomizing generator directly contact in the case where high energy arc at powder, electrode material often polluted product the technical issues of.This
The principle of embodiment is by being powered to two one metal wires, and when contact, end generates electric arc, high energy arc effect in contact position
Under, silk material local melting generates explosion, forms molten drop, cold through solidifying since balling-up is shunk in the effect of surface tension of liquid
But the metal powder with higher sphericity is formed afterwards.This method starting the arc fusion range is small, and metal powder can be ensure that at powder
Stability, it is controllable at the particle size range of powder.
In some embodiments, transfer assembly includes third roller 23 and the 4th roller 24, and third roller 23 is driving wheel,
4th roller 24 is driven wheel, is formed between third roller 23 and the 4th roller 24 for by the first wire 11 or the second
The gap of wire 12, the one end in gap face channel.First wire 11 passes through the third roller 23 and the 4th of first unit
Gap between roller 24 is stretched out inside ignition tip 3；Second wire 12 passes through the third roller 23 and the 4th of second unit
Gap between roller 24 is stretched out inside ignition tip 3.The end of first wire 11 and the second wire 12 is touched, part
Explode into the quick-fried powder 6 of arc.Gap between third roller 23 and the 4th roller 24 can be according to the first wire 11 and second penetrated
The diameter adjustment of wire 12, maximal clearance 6mm.
In some embodiments, the quick-fried fuel pulverizing plant of mariages arc further includes orthopedic component, and orthopedic component is set respectively with ignition tip 3
It sets in the two sides of transfer assembly, orthopedic component makes the first wire for orthopedic to the first wire 11 or the second wire 12
11 or second wire 12 be in tensioned state.Preferably, as shown in Figure 1, orthopedic component includes the first roller 21 and the second roller
Wheel 22, the first roller 21 are spindle, and the first wire 11 or the second wire 12 are tangential at spindle tee section minimum position
Around through tangentially entering transfer assembly by the second roller 22, that is, enter after the first roller 21 third roller 23 and the 4th roller 24 it
Between gap.
In some embodiments, the both ends of ignition tip 3 are cone cell, the diameter in channel and the first wire 11 or the second gold medal
The diameter for belonging to silk 12 matches, i.e., the diameter in channel is slightly larger than the first wire 11 or the diameter of the second wire 12, to guarantee
First wire 11 or the second wire 12 pass through, and realize that the first wire 11 and the second wire 12 mutually touch, lead
One end of sparking plug 3 is connected with first electrode 41 or second electrode 42, makes the first wire 11 or the second wire by conductor wire 5
12 electrifications.
Preferably, first unit and second unit mirror settings, to facilitate the first wire 11 and the second metal of stretching
Silk 12 can be touched mutually, and confined explosion is at the quick-fried powder of arc.First wire 11 and the preferred homogeneity same specification material of the second wire 12
Material, but it is not limited to homogeneity same specification material.
In some embodiments, the wheel of third roller and the 4th roller week periphery set rubber sleeve, can make wire
It will not be rolled deformation in transmit process, and bigger frictional force can be provided, prevent wire in transmit process from skidding.
In some embodiments, the outer surface of the first wire 11 and the second wire 12 is provided with magnetic material layer, magnetic
Property material layer material to be selected as be Fe, Co, Ni element and its alloy, the first wire 11 and second with magnetic material layer
Wire 12 can have above-mentioned magnetic material during arc is quick-fried in the molten drop of formation and in metallic particles after cooling
Material receives powder position in the lower section of the quick-fried position of arc and is provided with magnet, when metallic particles after cooling enters the effective magnetic field model of magnet
In enclosing, it can be attracted to a magnet to move to and receive in powder device, the superfine powder disperse degree that can effectively solve to be formed is high, it is difficult to receive
The technical issues of collection, magnet can be permanent magnet or electromagnetic structure, should be noted that metal in the drop stage not by magnetic in design
The active force of body interferes, mutual adsorpting aggregation after preventing drop from magnetizing, and enters back into magnet after position on the lower is cooling
Sphere of action.
Applicants have found that the diameter of wire has a direct impact the granularity of metal powder, it is found by experiment that, gold
The average particle size for belonging to powder increases with the increase of wire diameter.
The average particle size of metal powder increases with the increase of the gas pressure intensity in the quick-fried region of arc, dense due to gas molecule
Degree increases, and the collision probability of metallic vapour and gas molecule after arc is quick-fried can increase suddenly, and the free path of metallic vapour becomes smaller, metal steam
Bonding machine can become larger between vapour, promote the growth of powder particle, powder average particle size is caused to become larger.
It is found by test of many times analysis, when satisfaction has
U/(1/4πd2P)≥2.875*105When, the metal powder granulates granularity distribution result of acquisition meets 3D printing gold
Belong to seperated requirement, preferably to select.
In above formula,
Voltage of the U between first electrode and second electrode, unit V；
D is the diameter of the first wire and the second wire, unit m, the first wire of fundamental importance that above formula obtains
It is identical with the diameter of the second wire；
P is the gas pressure intensity in the quick-fried region of arc, unit Pa.
In the quick-fried fuel pulverizing plant of mariages arc provided by the present application, by the way that the first wire 11 and the second wire 12 is mutual
Powder processed is touched, one times of ingredient improved efficiency for touching powder processed with electrode compared to single metal wire has apparent technical advantage.
But since the diameter for the wire at powder is usually in grade, or even under 1 millimeter, in the dry of wire self gravity
Under disturbing, different degrees of sag bent can occur for the end of wire, often result in the first wire 11 and the second wire
12 end cannot achieve accurate touching, influence pulverizing process.In order to which wire self gravity is effectively reduced at powder process
Influence, this application provides a kind of following optional embodiments.
As shown in Fig. 2, the ignition tip 3 of first unit and second unit is arranged in same perpendicular, and with vertical
Line is symmetrical arranged for symmetry axis, and first unit and the equal synchronous adjustment of second unit are symmetrical set at this time for as shown in the figure,
The discharging direction of first wire and the second wire is adjusted to be closer to discharge straight down by the program, can be significantly
The influence of wire self gravity in the case that the level of reduction discharges.Preferably, angle α between ignition tip 3 and plumb line
Scope of design is 8 ° -15 °, in the range, may be implemented precisely to touch between the first wire 11 and the second wire 12 pair
It connects, and will not influence the quick-fried process of arc.
It should be noted that can also include shell, gas shield according to the quick-fried fuel pulverizing plant of mariages arc of above-described embodiment
Other necessary components such as device, receipts powder device, electric control gear and power device or structure, and corresponding position and connection
Relationship can refer to same device in the prior art, not address connection relationship, operation and the working principle of structure respectively for this
Be for the those of ordinary skill in field it is known, be not described in detail herein.
Section Example is described in a progressive manner in this specification, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Claims (6)
1. a kind of quick-fried fuel pulverizing plant of mariages arc, which is characterized in that including first unit and second unit, the first unit and
Unit two include transfer assembly, ignition tip and electrode, wherein channel are formed in the ignition tip, the transfer assembly is used
In wire to be sent in the ignition tip, the wire is made to pass through the channel, the channel of the first unit and institute
The extended line intersection that the channel of second unit is on same straight line or both is stated, the ignition tip is connected with the electrode, institute
State the opposite electricity of the electrode band polarized of first unit and the second unit.
2. the quick-fried fuel pulverizing plant of mariages arc according to claim 1, which is characterized in that the transfer assembly includes third roller
With the 4th roller, the third roller is driving wheel, and the 4th roller is driven wheel, the third roller and the four-roller
The gap for passing through the wire, the one end in channel described in the gap face are formed between wheel.
3. the quick-fried fuel pulverizing plant of mariages arc according to claim 1, which is characterized in that it further include orthopedic component, it is described orthopedic
Component and the ignition tip are separately positioned on the two sides of the transfer assembly, and the orthopedic component is used to rectify the wire
Shape makes the wire be in tensioned state.
4. the quick-fried fuel pulverizing plant of mariages arc according to claim 3, which is characterized in that the orthopedic component includes the first roller
With the second roller, first roller is spindle, and the wire tangentially bypasses described at spindle tee section minimum position
Through tangentially entering the transfer assembly by the second roller after first roller.
5. the quick-fried fuel pulverizing plant of mariages arc according to claim 4, which is characterized in that the both ends of the ignition tip are cone
Shape, the diameter in the channel are greater than the diameter of the wire.
6. the quick-fried fuel pulverizing plant of mariages arc according to claim 1, which is characterized in that in the first unit and second unit
The material of the wire of transmission is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077463.0A CN109604623B (en) | 2019-01-28 | 2019-01-28 | Double-wire arc explosion powder making device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077463.0A CN109604623B (en) | 2019-01-28 | 2019-01-28 | Double-wire arc explosion powder making device |
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| CN109604623A true CN109604623A (en) | 2019-04-12 |
| CN109604623B CN109604623B (en) | 2024-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153434A (en) * | 2019-06-26 | 2019-08-23 | 苏州猛犸新材料科技有限公司 | A kind of fast preparation method of ultra-fine Ni-Ti-Y multicomponent compound metal nano powder |
| CN113245552A (en) * | 2021-06-09 | 2021-08-13 | 湖南讵太智慧新材料科技有限公司 | Method and equipment for preparing composite metal powder material |
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