CN109226778A - A kind of metal powder granulates preparation facilities - Google Patents
A kind of metal powder granulates preparation facilities Download PDFInfo
- Publication number
- CN109226778A CN109226778A CN201811371593.7A CN201811371593A CN109226778A CN 109226778 A CN109226778 A CN 109226778A CN 201811371593 A CN201811371593 A CN 201811371593A CN 109226778 A CN109226778 A CN 109226778A
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- Prior art keywords
- fliud flushing
- fliud
- metal powder
- workpiece
- preparation facilities
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- 239000000843 powder Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 44
- 239000002184 metal Substances 0.000 title claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 43
- 239000008187 granular material Substances 0.000 title claims abstract description 35
- 238000011010 flushing procedure Methods 0.000 claims abstract description 185
- 239000002245 particle Substances 0.000 claims abstract description 39
- 230000008676 import Effects 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 11
- 206010016825 Flushing Diseases 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 claims 1
- 238000010891 electric arc Methods 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 20
- 238000002679 ablation Methods 0.000 abstract description 15
- 230000033001 locomotion Effects 0.000 abstract description 15
- 238000004880 explosion Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000010146 3D printing Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 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
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The present invention discloses a kind of metal powder granulates preparation facilities, set on machine body, including electrode assembly and fliud flushing system, wherein, electrode assembly has cavity, and cavity is equipped with fliud flushing import and fliud flushing exports, so that fliud flushing is flowed into from fliud flushing import, cavity is flowed through, and is flowed out by fliud flushing outlet towards interpolar discharge region；Fliud flushing system includes interior fliud flushing pipe, and interior fliud flushing pipe and fliud flushing inlet communication are arranged.In technical solution provided by the invention, after electrode assembly and workpiece are separately connected positive pole and cathode, the two is close to each other and generates relatively high speed rotary motion, then it is exported by the way that cavity, fliud flushing import and fliud flushing are arranged in electrode assembly, fliud flushing can be made to flow out towards interpolar discharge region, to realize the arc discharge explosion ablation processing of workpiece, workpiece particle needed for obtaining, the present invention stablizes with arc discharge process, powder particle prepares high-quality and high-efficiency, and advantage of simple structure and low cost.
Description
Technical field
The present invention relates to the technical field of electric arc processes device, in particular to a kind of metal powder granulates preparation facilities.
Background technique
Nowadays, metal 3D printing technique is being grown rapidly, and is led in aerospace, automobile, ship, medicine, household electrical appliances etc.
Domain is widely used, and also occupies unique status in the fields such as engineering and teaching research.
The raw material of metal 3D printing technique are the metal powder granulates for having certain shapes and performance requirement, common at present
Such as by titanium alloy, aluminium alloy, high temperature alloy, mould steel, Co-based alloy powder particle etc..Metal powder granulates are usually used to be penetrated
The preparation of the methods of frequency plasma method, plasma rotating electrode process, gas atomization, but there is production efficiencys for above-mentioned preparation method
The low, drawbacks such as powder granule is coarse, size distribution is uneven, preparation process is complicated, cost is high, it is difficult to meet 3D printing
Wilderness demand of the fields such as manufacture to high-quality powder particle.
Efficient arc discharge explosion ablation processing technology is a kind of high-efficiency machining method that developed recently gets up.This method benefit
Arc-plasma is formed with electric discharge between workpiece and tool-electrode, is moved by the high speed relative mechanical of tool-electrode and workpiece
Current interruption is realized with high-pressure fluid and excludes the workpiece material of melting, realizes the efficient removal of various cutting-resistant metal materials.
The study found that the workpiece material under high-energy density arcing can rapidly be melted in arc discharge process
Even gasify, arc-plasma will receive high speed relative mechanical movement effect between tool-electrode and workpiece in process of expansion
The workpiece surface offset that acts on high speed fliud flushing is cut off, and in this case, the melting zone of workpiece surface can be because of electric arc etc.
The change of ion volume morphing and detonation occurs, material be pulled out away from out melting zone so that complete material removal, the liquid being pulled out away from
State, gaseous metal the material rapid cooling in interpolar high speed operation liquid form a large amount of ablation particle.
It is found by being retrieved to the prior art, 3D printing metal powder disclosed in patent document CN105345019A is efficient
Arc discharge preparation facilities, the device control current interruption by inert gas shielding, by outer fliud flushing and mechanical movement, utilize electric arc
Discharge Processing Technology prepares metal powder；Since this method uses outer fliud flushing, when actual arc electro-discharge machining electrode and workpiece away from
From only 1mm or so, fliud flushing is difficult to enter region of discharge, easily causes burning, causes electrode and workpiece contact short circuit, causes powder
Last preparation efficiency is low.
Vacuum arc disclosed in patent document CN201720661052.2 prepares the device of metal powder, and the device is in vacuum
Under the conditions of, the wire for connecting two poles melts under arcing forms molten drop, and molten drop is by from gas source
Gas dispels into miniature spherical drop, forms powder particle after cooling；Under vacuum conditions due to this method, made using wire
For the two poles of the earth, preparation process is complicated and production powder particle efficiency is very low, it is difficult to a large amount of preparations.
Summary of the invention
The main object of the present invention is to propose a kind of metal powder granulates preparation facilities, it is intended to solve existing metal powder
The problem that grain preparation facilities powder particle powder formation rate is low, sphericity is poor, production efficiency is low and economic cost is high.
To achieve the above object, metal powder granulates preparation facilities proposed by the present invention is set to machine body, the metal
Powder particle preparation facilities includes:
Electrode assembly, the electrode assembly have cavity, and the cavity is equipped with fliud flushing import and fliud flushing exports, for fliud flushing
It is flowed into from the fliud flushing import, flows through the cavity, and flow out towards interpolar discharge region by fliud flushing outlet；And
Fliud flushing system, including interior fliud flushing pipe, the interior fliud flushing pipe and the fliud flushing inlet communication are arranged.
Preferably, the electrode assembly includes:
Electrode tip holder, the electrode tip holder are equipped with the cavity, offer the fliud flushing import in the one side wall of the electrode tip holder；
And
Electrode body, is installed on the lower end of the electrode tip holder, and the electrode body is vertically to having provided multiple flow pass, institute
The upper end for stating multiple flow pass is connected to the cavity setting, and the lower end of the flow pass corresponds to the fliud flushing outlet.
Preferably, the lower end of the electrode body offers the groove transversely provided, the notch of the groove downward, and institute
It states and multiple fliud flushing outlets is distributed on groove；
The groove width of the groove is in tapered setting from bottom to top.
Preferably, the inner wall of the groove is arranged in cambered surface.
Preferably, the metal powder granulates preparation facilities further includes drive system, and the drive system includes:
Driving head, the electrode tip holder are installed on the lower end of the driving head；
Feed drive unit is drivingly connected, to drive the electrode assembly transversely to feed respectively with the driving head
It is fed with upward and downward；And
Rotation drive device, to drive the workpiece in the interpolar discharge region around lateral rotation.
Preferably, the fliud flushing system further includes multiple outer fliud flushing pipes, and the multiple outer fliud flushing pipe is enclosed set on the electrode
The periphery of component, for being guided to fliud flushing close to the interpolar discharge region.
Preferably, the fliud flushing system further include:
Fliud flushing flow tank, set on the lower section in the interpolar discharge region, and upper end is arranged in opening, for isolating fliud flushing
With workpiece particle；
Fliud flushing circulating box, for collecting fliud flushing；
First transfer tube, for fliud flushing to be pumped to the fliud flushing circulating box from the fliud flushing flow tank；And
Second transfer tube, for fliud flushing to be pumped to the interior fliud flushing pipe and multiple described outer from the fliud flushing circulating box
Fliud flushing pipe.
Preferably, the fliud flushing system further include:
First fliud flushing pipe, one end are connected to setting with the output port of second transfer tube；And
Part flow arrangement set on the top of the electrode assembly, and has a water inlet and multiple for the setting that is interconnected
Water outlet, wherein the water inlet is connected to setting with the other end of the first fliud flushing pipe, the multiple water outlet respectively with institute
Interior fliud flushing pipe and multiple outer fliud flushing pipe connection settings are stated, and the water inlet and the multiple water outlet are respectively corresponded and set
There is valve.
Preferably, the metal powder granulates preparation facilities further includes filter plate, and the filter plate lid closes the fliud flushing flow tank
Opening setting, the filter plate offers the multiple filter mouths for being connected to the fliud flushing flow tank, so that fliud flushing and workpiece particle pass through
The filter mouth flows into the fliud flushing flow tank.
Preferably, the fliud flushing flow tank has transversely in the first side plate and the second side plate being oppositely arranged；
The fliud flushing flow tank further include:
Deflector is set in the fliud flushing flow tank, and one end is connect with first side plate, and the other end is to far from described
First side plate is directed downward inclination and is extended；
Multiple collecting tanks, transversely successively arranged adjacent is in the lower section of the deflector, and notch is arranged upward, for receiving
Collect the workpiece particle settled through the deflector, wherein the groove depth of the multiple collecting tank is along the side far from second side plate
To in progressively lower setting；And
Drainage hole is set to first side plate, and is spaced the bottom wall setting of the fliud flushing flow tank.
In technical solution provided by the invention, electrode assembly is set and workpiece is separately connected positive pole and cathode, and is driven
It is both dynamic it is close to each other to effective distance range to form interpolar discharge region, to both make to generate relatively high speed rotary motion
To make mechanical movement current interruption to the workpiece, then exported by the way that cavity, fliud flushing import and fliud flushing are arranged in electrode assembly,
Fliud flushing can be made to flow out towards the interpolar discharge region to carry out fluid dynamic current interruption to the workpiece, thus in the mechanical fortune
Under dynamic circuit breaker arc and the collective effect of the fluid dynamic current interruption, realizes the arc discharge explosion ablation processing to the workpiece, obtain
Obtain required workpiece particle.The metal powder granulates preparation facilities arc discharge process is stablized, and powder particle prepares high-quality height
Effect, and have the advantages that of simple structure and low cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic perspective view of an embodiment of metal powder granulates preparation facilities provided by the invention；
Fig. 2 is the schematic diagram of the section structure of the electrode assembly in Fig. 1；
Fig. 3 is the partial structure diagram of the metal powder granulates preparation facilities in Fig. 1；
Fig. 4 is the schematic diagram of the section structure of the part flow arrangement in Fig. 1；
Fig. 5 is the partial structure diagram of the fliud flushing flow tank in Fig. 1.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of metal powder granulates preparation facilities, please refers to Fig. 1 to Fig. 5, is metal provided by the invention
One embodiment of powder particle device.
Please referring to Fig. 1 and Fig. 2, a kind of metal powder granulates preparation facilities 100 provided by the invention is set to machine body 1,
The machine body 1 provides basic frame body and platform structure, to support the metal powder granulates preparation facilities 100 just
Often installation.In the present embodiment, the metal powder granulates preparation facilities 100 includes electrode assembly 2 and fliud flushing system 3,
In, the electrode assembly 2 has cavity 211, and according to practical situations, the cavity 211 can be set to any needs
Shape and suitable volume size, the cavity 211 are equipped with fliud flushing import 211a and fliud flushing and export 221a, so that fliud flushing is from institute
Fliud flushing import 211a inflow is stated, flows through the cavity 211, and 221a is exported by the fliud flushing and is flowed towards interpolar discharge region
Out, the fliud flushing is directly acted in the interpolar discharge region.In mechanical movement current interruption and fluid dynamic current interruption
Collective effect under, the arc discharge that the interpolar discharge region generates high-energy density is exploded ablation, so that the workpiece 200
It melts rapidly, gasify and be pulled out away from the sky, by the cooling of the fliud flushing, form ball under the contraction of surface tension
The particle of shape, to obtain the workpiece particle of needs.The fliud flushing system 3 includes interior fliud flushing pipe 37, the interior fliud flushing pipe 37 with
The fliud flushing import 211a connection setting, for flowing into the fliud flushing from the fliud flushing import 211a, the interior fliud flushing pipe 37
It is also configured with sealing structure between the fliud flushing import 211a, to prevent the fliud flushing under flow at high speed from the connection of the two
Place leaks out.
In technical solution provided by the invention, electrode assembly 2 is set and workpiece 200 is separately connected positive pole and cathode,
And driving both it is close to each other to effective distance range to form interpolar discharge region, to make to generate therebetween relatively high
Then fast rotary motion passes through and cavity 211, punching is arranged in electrode assembly 2 to make mechanical movement current interruption to the workpiece 200
Liquid import 211a and fliud flushing export 221a, and fliud flushing can be made to flow out towards the interpolar discharge region to carry out to the workpiece 200
Fluid dynamic current interruption, to realize under the collective effect of the mechanical movement current interruption and the fluid dynamic current interruption to described
The arc discharge explosion ablation processing of workpiece 200, obtains required workpiece particle.The metal powder granulates preparation facilities 100
Arc discharge process stablize, powder particle prepares high-quality and high-efficiency, and has the advantages that of simple structure and low cost.
Further, in the present embodiment, the electrode assembly 2 includes electrode tip holder 21 and electrode body 22, wherein described
The upper end of electrode tip holder 21 has installation end, connects to install with the drive system 4, and the electrode tip holder 21 is equipped with the cavity
211, the fliud flushing import 211a is offered in the one side wall of the electrode tip holder 21；The electrode body 22 is installed on the electrode tip holder
21 lower end, the electrode body 22 is vertically to having provided multiple flow pass 221, the upper end of the multiple flow pass 221
It is connected to the cavity 211 to be arranged, lower end corresponds to the fliud flushing outlet 221a, so that work of the fliud flushing in equipment such as the pump housings
Enough flow velocitys are generated with lower, are flowed out from the cavity 211, through the multiple flow pass 221, are finally exported from the fliud flushing
221a is flowed directly to the interpolar discharge region, forms arc discharge explosion ablation.So set, allowing the fliud flushing straight
It connects and acts on the interpolar discharge region, realize fluid dynamic current interruption and Fast Cooling function, and the circulation of the fliud flushing is not
The regular picture effect for influencing the electrode body 22, has structure simple, the good advantage of cooling effect.The electrode assembly 2
It is also provided with sealing ring 23, the sealing ring 23 is set between the electrode tip holder 21 and the electrode body 22, and corresponding institute
It states multiple flow pass 221 and offers multiple through-holes, to avoid the fliud flushing to circulate in the electrode assembly 2 from the electricity
Junction outflow between electrode seat 21 and the electrode body 22.
It should be noted that due in arc discharge explosion ablation process, the electrode body 22 and described
There is certain loss in workpiece 200, in order to avoid mixing impurity in the workpiece particle finally obtained, it is generally preferable to set
It sets the electrode body 22 and the workpiece 200 is made of same material.
In order to expand the active area in the interpolar discharge region, to improve the arc discharge explosion ablation processing
Efficiency and stability, in the present embodiment, the lower end of the electrode body 22 offer the groove transversely provided, the groove
Notch downward, multiple fliud flushing outlet 221a is distributed with to workpiece 200 described in face, and on the groove, so set,
It can be in the case where not changing the overall dimensions of the electrode body 22, so that the interpolar discharge region is described from acting only on
The partial arc of workpiece 200 is extended to the semi arch for acting on the workpiece 200, to make the workpiece 200 in the unit time
The surface area being inside cut increases, and can effectively improve the efficiency of arc discharge explosion ablation processing；Further, it is preferable to described
The groove width of groove is in tapered setting from bottom to top, can be to avoid due to corner angle compared to the groove that section is rectangle setting
Caused by the concentration of arc discharge put so that the arc discharge in the interpolar discharge region is uniformly equivalent to improve electric arc
The stability of discharge-induced explosion ablation processing.
Further, in practical applications, the groove width of the groove is in tapered setting from bottom to top, can be embodied as
For from bottom to top in moving closer to being obliquely installed for the groove center, but due to the workpiece 200 and the electrode assembly 2 it
Between be traditionally arranged to be with relative rotary motion, to avoid burning short circuit between the electrode assembly 2 and the workpiece 200, because
This preferably can be set the inner wall of the groove in cambered surface, more adapts to the workpiece 200 of rotation, with ensure can be more
Fluid current interruption and mechanical current interruption are carried out well, to obtain the workpiece particle of high quality.
Further, the metal powder granulates preparation facilities further includes drive system 4, and the drive system 4 can be by
Basic transmission component and Power Component are constituted, and for only driving the electrode assembly 2 to move, or only drive the workpiece
200 movements, or the electrode assembly 2 and the workpiece 200 is driven to move simultaneously, so that the electrode assembly 2 and described
Workpiece 200 is close to each other to form mechanical movement current interruption.That is, there are many specific manifestation forms of the drive system 4, in order to
It is easy to understand, with reference to the prior art, the transverse direction of unified definition hereinafter is the X of the intrinsic coordinate system of the machine body 1
Axis direction, the upward and downward are Z-direction.Fig. 1 and Fig. 3 are please referred to, in the present embodiment, the drive system 4 includes driving
First 41, feed drive unit 42 and rotation drive device 43, wherein the installation end of the electrode tip holder 21 is installed on the driving head
41 lower end, the feed drive unit 42 is drivingly connected with the driving head 41, to drive the electrode assembly 2 edge respectively
Traverse feed and upward and downward feeding, specifically, the feed drive unit 42 can be mainly by Z axis servo motor, Z axis sliding block, Z
Axis rail, Z axis lead screw and X-axis servo motor, X-axis slide block, X-axis guide rail, X-axis lead screw composition, specific mounting means and
Realization principle can refer to the prior art, be not detailed herein；The rotation drive device 43 is drivingly connected with the workpiece 200,
To drive the workpiece 200 in the interpolar discharge region around lateral rotation, specifically, the rotation drive device 43 can
To be mainly made of chuck, tailstock and the driving motor being connect with the chuck drive, similarly, specific mounting means with
And realization principle can refer to the prior art, be not detailed herein.So set, before arc discharge explosion ablation processing
Preparation in, can be by the feed drive unit 42 to the electrode assembly 2 behind clamping workpiece 200
Z-direction feeding and X-direction feeding deployed；In addition, in arc discharge explosion ablation process, it is described
It is at the uniform velocity rotated though workpiece 200 remains under the driving of the rotation drive device 43 around dead axle, its surface can be with electricity
Arc discharge explosion ablation processes and forms loss, so that the lower end of the electrode body 22 gradually increases at a distance from the workpiece 200
Greatly, at this point, the electrode assembly 2 can at the uniform velocity be fed to the effective distance model under the driving of the feed drive unit 42
In enclosing, realize that the stability and high efficiency of the arc discharge explosion ablation processing carries out.
It should be noted that the drive system 4 can also be arranged in second specific embodiment (attached drawing does not indicate)
The workpiece 200 is only driven to move, the movement of the workpiece 200 includes rotating, feeding along the x axis and along Z axis side around X-axis
To feeding, similarly, described rotate around X-axis can be realized by motor driven chuck, described to feed along the x axis and along Z
Axis direction feeding is referred to above, by the way that the chuck and motor are integrally fastened to sliding block, and combine Z axis servo motor, Z
Axis rail, Z axis lead screw and X-axis servo motor, X-axis guide rail, X-axis lead screw are realized.(attached drawing is not in third specific embodiment
Mark), the drive system 4 driving electrode assemblies 2 can also be set and moved, similarly, the movement includes around X-axis
Rotation feeds along the x axis and feeds along Z-direction, and concrete methods of realizing is similar to above-mentioned second specific embodiment, this
Place is not described further.
Further, in order to realize better fluid dynamic current interruption effect, referring to Fig. 1, in the present embodiment, the punching
Liquid system 3 further includes multiple outer fliud flushing pipes 38, and the multiple outer fliud flushing pipe 38 is enclosed set on the periphery of the electrode assembly 2, is used for
Fliud flushing is guided to close to the interpolar discharge region.Pass through matching for the interior fliud flushing pipe 37 and multiple outer fliud flushing pipes 38
It closes, can make to cast aside can obtain the cold-zone effect that preferably cools down in the interpolar discharge workpiece particle within and outside the region,
To obtain the workpiece particle that tiny partial size, narrower particle size distribution, sphericity are high, good fluidity and apparent density are high, from
And make the preparation of the workpiece particle more efficient.
Further, in the present embodiment, the fliud flushing system 3 further include fliud flushing flow tank 31, fliud flushing circulating box 32,
First transfer tube 33 and the second transfer tube 34, wherein the fliud flushing flow tank 31 is detachably arranged at the interpolar discharge area
The lower section in domain, the fliud flushing flow tank 31 has inner cavity, and upper end is obtained for directly containing through fluid current interruption in opening setting
The workpiece particle and the fliud flushing, and isolate fliud flushing and workpiece particle；The fliud flushing circulating box 32 and the punching
The connection setting of liquid flow tank 31, for collecting fliud flushing, specifically, between the fliud flushing circulating box 32 and the fliud flushing flow tank 31
Connection setting can directly be carried out by pipeline, but preferably, the first transfer tube 33 can be set between, for general
Fliud flushing is pumped to the fliud flushing circulating box 32 from the fliud flushing flow tank 31, to increase the circulation power of the fliud flushing, makes described
Fliud flushing can realize circulation more quickly；Second transfer tube 34 is used to fliud flushing being pumped to institute from the fliud flushing circulating box 32
State interior fliud flushing pipe 37 and multiple outer fliud flushing pipes 38 makes the fliud flushing can be with high velocity stream to increase the fliud flushing speed
It passes to inside and outside the interpolar discharge region, realizes the function of fluid dynamic current interruption and Fast Cooling.
In addition, in order to reduce the arrangement of various fliud flushing pipes on the metal powder granulates preparation facilities 100, described in simplification
The structure of metal powder granulates preparation facilities 100, referring to Fig. 4, in the present embodiment, the fliud flushing system 3 further includes first
Fliud flushing pipe 35 and part flow arrangement 36, wherein the part flow arrangement 36 is set to the top of the electrode assembly 2, and has and mutually interconnect
A water inlet and multiple water outlets for logical setting, and the water inlet and the multiple water outlet are respectively corresponded equipped with valve,
Namely the folding of the water inlet and the multiple water outlet can be independently controlled for example, by valve, wherein described
One end of one fliud flushing pipe 35 is connected to setting with the output port of second transfer tube 34, the other end is connected to the water inlet and sets
It sets, the multiple water outlet is connected to setting with the interior fliud flushing pipe 37 and multiple outer fliud flushing pipes 38 respectively.So set,
The folding that the valve of the interior fliud flushing pipe 37 and the outer fliud flushing pipe 38 can be controlled as required, simultaneously as described more
A outer fliud flushing pipe 38 is preferably enclosed set on the periphery of the electrode assembly 2, therefore the outer fliud flushing can be arranged according to the actual situation
The unlatching quantity of the valve of pipe 38, and control are in the unlatching of the valve of the outer fliud flushing pipe 38 of required position, more convenient
In the use of operator.
Further, in the present embodiment, the metal powder granulates preparation facilities 100 further includes filter plate 311, the filter
The lid of plate 311 closes the opening setting of the fliud flushing flow tank 31, and the filter plate 311 offers the more of the connection fliud flushing flow tank 31
A filter mouth 311a needs so that the fliud flushing and the workpiece particle flow into the fliud flushing flow tank 31 by the filter mouth 311a
It is noted that the specific structure of the filter mouth 311a is here with no restriction, in order to collect the fliud flushing and institute more quickly
Workpiece particle is stated, the filter mouth 311a for example can be set to parallel spaced groove profile runner, by increasing the filter mouth
The port size of 311a can effectively increase the fliud flushing and the workpiece particle in the unit time and enter the fliud flushing flow tank 31
Rate；In addition, in order to simplify overall structure, the filter plate 311 can be wholely set or removable with the machine body 1
It is set to the machine body 1 with unloading, also, the upper surface of the filter plate 311 can be used for installing the workpiece 200 or described
Metal powder granulates preparation facilities 100.
Referring to Fig. 5, in the present embodiment, the fliud flushing flow tank 31 is in body structure, has and transversely set in opposite
The first side plate 312 and the second side plate 313 set；The fliud flushing flow tank 31 further include deflector 314, multiple collecting tanks 315 with
And drainage hole 316, wherein the deflector 314 is set in the fliud flushing flow tank 31, and one end and first side plate 312
Connection, the other end are extended along inclination is directed downward far from first side plate 312；The multiple collecting tank 315, transversely
Successively arranged adjacent is in the lower section of the deflector 314, and notch is arranged upward, settles for collecting through the deflector 314
Workpiece particle, wherein the groove depth of the multiple collecting tank 315 towards far from second side plate 313 direction be in progressively lower setting,
The setting of the deflector 314 facilitates the flow path under the drive of the fliud flushing for extending the workpiece particle, so that
The workpiece particle can flow downward along the inclined direction of the deflector 314, into the multiple collecting tank 315.In addition, edge
Overflow port 315a is equipped between collecting tank 315 described in laterally adjacent every two, the two sides of the overflow port 315a are equipped with handle
Being provided with for 315b, the overflow port 315a is conducive to make the fliud flushing followed by the multiple collecting tank 315, is repeatedly settled
The more workpiece particle is left afterwards, and overflow goes out the fliud flushing；The setting of the handle 315b is conducive to each collection
The disassembly of slot 315, convenient for the subsequent collection to the workpiece particle.Further, the drainage hole 316 is set to first side
Plate 312, and it is spaced the bottom wall setting of the fliud flushing flow tank 31, that is, the drainage hole 316 is set to first side plate 312
Upper end, and be located at the deflector 314 lower section, help to be layered the workpiece particle and the fliud flushing sufficiently, and
Positioned at upper layer, the higher fliud flushing of purity is only set to be circulated to the fliud flushing circulating box 32 by the drainage hole 316.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of metal powder granulates preparation facilities is set to machine body characterized by comprising
Electrode assembly, the electrode assembly have cavity, and the cavity is equipped with fliud flushing import and fliud flushing and exports, so that fliud flushing is from institute
Fliud flushing import inflow is stated, flows through the cavity, and flow out towards interpolar discharge region by fliud flushing outlet；And
Fliud flushing system, including interior fliud flushing pipe, the interior fliud flushing pipe and the fliud flushing inlet communication are arranged.
2. metal powder granulates preparation facilities as described in claim 1, which is characterized in that the electrode assembly includes:
Electrode tip holder, the electrode tip holder are equipped with the cavity, offer the fliud flushing import in the one side wall of the electrode tip holder；With
And
Electrode body, is installed on the lower end of the electrode tip holder, and the electrode body is described more vertically to having provided multiple flow pass
The upper end of a flow pass is connected to the cavity setting, and the lower end of the flow pass corresponds to the fliud flushing outlet.
3. metal powder granulates preparation facilities as claimed in claim 2, which is characterized in that the lower end of the electrode body offers
Downward, and multiple fliud flushing outlets are distributed in the groove transversely provided, the notch of the groove on the groove；
The groove width of the groove is in tapered setting from bottom to top.
4. metal powder granulates preparation facilities as claimed in claim 3, which is characterized in that the inner wall of the groove is set in cambered surface
It sets.
5. metal powder granulates preparation facilities as claimed in claim 2, which is characterized in that it further include drive system, the drive
Dynamic system includes:
Driving head, the electrode tip holder are installed on the lower end of the driving head；
Feed drive unit is drivingly connected with the driving head, to drive the electrode assembly respectively transversely feeding and on
It is lower to feeding；And
Rotation drive device, to drive the workpiece in the interpolar discharge region around lateral rotation.
6. metal powder granulates preparation facilities as described in claim 1, which is characterized in that the fliud flushing system further includes multiple
Outer fliud flushing pipe, the multiple outer fliud flushing pipe is enclosed set on the periphery of the electrode assembly, for being guided to fliud flushing close to the pole
Between region of discharge.
7. metal powder granulates preparation facilities as claimed in claim 6, which is characterized in that the fliud flushing system further include:
Fliud flushing flow tank, set on the lower section in the interpolar discharge region, and upper end is arranged in opening, for isolating fliud flushing and work
Part particle；
Fliud flushing circulating box, for collecting fliud flushing；
First transfer tube, for fliud flushing to be pumped to the fliud flushing circulating box from the fliud flushing flow tank；And
Second transfer tube, for fliud flushing to be pumped to the interior fliud flushing pipe and multiple outer fliud flushings from the fliud flushing circulating box
Pipe.
8. metal powder granulates preparation facilities as claimed in claim 7, which is characterized in that the fliud flushing system further include:
First fliud flushing pipe, one end are connected to setting with the output port of second transfer tube；And
Part flow arrangement set on the top of the electrode assembly, and has be interconnected a water inlet being arranged and multiple water outlets
Mouthful, wherein the water inlet is connected to setting with the other end of the first fliud flushing pipe, the multiple water outlet respectively with it is described interior
Fliud flushing pipe and multiple outer fliud flushing pipe connection settings, and the water inlet and the multiple water outlet are respectively corresponded equipped with valve
Door.
9. metal powder granulates preparation facilities as claimed in claim 7, which is characterized in that the metal powder granulates preparation dress
Setting further includes filter plate, and the filter plate lid closes the opening setting of the fliud flushing flow tank, and the filter plate offers the connection fliud flushing
Multiple filter mouths of flow tank, so that fliud flushing and workpiece particle flow into the fliud flushing flow tank by the filter mouth.
10. metal powder granulates preparation facilities as claimed in claim 7, which is characterized in that the fliud flushing flow tank has edge
Laterally in the first side plate and the second side plate being oppositely arranged；
The fliud flushing flow tank further include:
Deflector is set in the fliud flushing flow tank, and one end is connect with first side plate, and the other end is to far from described first
Side plate is directed downward inclination and is extended；
Multiple collecting tanks, transversely successively arranged adjacent is in the lower section of the deflector, and notch is arranged upward, for collecting warp
The workpiece particle of the deflector sedimentation, wherein direction of the groove depth edge far from second side plate of the multiple collecting tank is in
Progressively lower setting；And
Drainage hole is set to first side plate, and is spaced the bottom wall setting of the fliud flushing flow tank.
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| CN201811371593.7A CN109226778B (en) | 2018-11-15 | 2018-11-15 | Metal powder particle preparation device |
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|---|---|---|---|
| CN201811371593.7A CN109226778B (en) | 2018-11-15 | 2018-11-15 | Metal powder particle preparation device |
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| CN109226778B CN109226778B (en) | 2024-01-30 |
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| CN111451518A (en) * | 2020-05-11 | 2020-07-28 | 深圳创源航天科技有限公司 | Electric arc micro-explosion metal powder preparation device and control method thereof |
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