CN206716098U - A kind of double-dielectric barrier discharge plasmaassisted ball mill device - Google Patents
A kind of double-dielectric barrier discharge plasmaassisted ball mill device Download PDFInfo
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- CN206716098U CN206716098U CN201720521507.0U CN201720521507U CN206716098U CN 206716098 U CN206716098 U CN 206716098U CN 201720521507 U CN201720521507 U CN 201720521507U CN 206716098 U CN206716098 U CN 206716098U
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- ball grinder
- dielectric barrier
- tank body
- barrier discharge
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Abstract
The utility model discloses a kind of double-dielectric barrier discharge plasmaassisted ball mill device, including motor, shake table, ball grinder and pedestal, and electrode bar is provided with the ball grinder, it is characterised in that：Vibrator is provided with the middle part of the shake table, sets driving snake to connect between the output shaft of the motor and the rotary shaft of vibrator, the center line horizontal alignment of the output shaft of the motor and the rotary shaft of vibrator；The tank body of the ball grinder is double-decker, including the inner tank body of ceramic base material and Metal Substrate material outer tank body, the inner tank body and outer tank body interference fits；The electrode bar second half section part periphery on covered with block media layer.The utility model can form more uniform plasma by constituting double-dielectric barrier discharge structure in the dielectric barrier of electrode bar and the ceramic base inner tank body of ball grinder so that the distribution of particle sizes of obtained sample is narrower, and properties of samples is also more close.
Description
Technical field
It the utility model is related to powder metallurgy Mechanic Alloying Technology field, more particularly to a kind of double-dielectric barrier discharge etc.
Gas ions aid in ball mill device.
Background technology
The method that high-energy ball milling prepares alloy powder is the technology that prepared by current superfine powder and mechanical alloying is the most frequently used
One of, it is typically to be rotated or vibrated using high energy ball mill that metal or alloy powder is ground into ultrafine dust, will be two kinds
Or two or more powder are put into the ball grinder of high energy ball mill simultaneously and carry out high-energy ball milling, powder particle is through rolling, pressing, grinding
Repetitive process that is broken, pressing again, can be such that powder grain and particle size constantly refines, and can finally obtain tissue and composition point
The uniform superfine alloy powder of cloth.Because this method is powder is reached alloying using mechanical energy, rather than with heat energy or
Electric energy, so the method that high-energy ball milling prepares alloy powder also turns into mechanical alloying.At present, high-energy ball-milling process is ground in material
It is increasingly extensive to study carefully the application in field, simple metal nanometer powder, nanocrystalline intermetallics, nanometer can be prepared using high energy ball mill
Composite, nano ceramic material etc., it is a kind of approach prepared by new material.
In existing high energy ball mill, oscillatory type ball mill is at present using one of more ball mill, the processing of its grinding
Amount is big, but shortcoming is that processing efficiency is low, long the time required to processing.China Patent No. is 200520056595.9, discloses one kind
Corona discharge plasma asistance high energy ball mill, the technical scheme are entered on the basis of existing oscillatory type ball mill to ball grinder
Row is improved, and electrode bar is installed in ball grinder, plasma is introduced inside ball grinder, by the single mechanical energy of former mechanical milling process
Meet with corona discharge plasma, increase and the effective energy for handling powder is inputted, Combined Processing is carried out to powder.But
It is the defects of device is due to oscillatory type ball mill, the amplitude that oscillatory type ball mill can obtain is smaller, and abrading-ball is in ball grinder
In random motion, frequently collided between abrading-ball, between abrading-ball and ball grinder, while also can be frequent between abrading-ball and electric shock baton
Collision so that electrode bar easily damages, and wastes consumptive material.
Utility model content
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：
A kind of double-dielectric barrier discharge plasmaassisted ball mill device, including motor, shake table, ball grinder and pedestal,
Electrode bar is installed in the ball grinder, it is characterised in that：Vibrator, the output of the motor are provided with the middle part of the shake table
Driving snake is set to connect between axle and the rotary shaft of vibrator, the center of the output shaft of the motor and the rotary shaft of vibrator
Line horizontal alignment；Described four angles in shake table bottom are equipped with upper guide post, and correspondence position is provided with lower guide pillar, institute on the upside of the pedestal
State and cylindrical stage clip is provided between upper guide post and lower guide pillar；The shake table both sides are respectively equipped with symmetrical circular groove, institute
State ball grinder to be placed in groove with horizontal, 1 or 2 ball grinders, the ball grinder left and right horizontal pair of both sides are placed per side groove
Claim；The tank body of the ball grinder is cylindric double-decker, including the inner tank body of ceramic base material and Metal Substrate material outer tank body,
The inner tank body and outer tank body interference fits；Covered with block media on the outside of part of the electrode bar in ball grinder
Layer；The motor is additionally provided with the speed regulator that can set motor speed and time.
General thought of the present utility model is：Connected between motor and vibrator using driving snake, make shake table can be with
Reach larger amplitude, abrading-ball, which can obtain enough mechanical energy, to carry out pasting ball milling top tank structure and do high speed circular motion, passes through simultaneously
The ceramic base inner tank body of dielectric barrier and ball grinder is set to constitute double-dielectric barrier discharge structure, double media on electrode bar
Barrier discharge can form uniform cold plasma.
In addition, the utility model also provides following attached technical scheme：
Further, the driving snake is composite construction, including is made of the rubber or high polymer material of high tenacity
Hollow circular-tube, the inside of the hollow circular-tube is provided with the fibrous layer of high-tension.
Further, the fibrous layer is internally embedded the torsion spring of piano wire coiling, forms the composite construction of integration.Transmission
Flexible axle uses composite construction, and torsion spring can realize the quick class conical motion of flexible axle, prevent outer wall from caving in, increase the strong of driving snake
Degree, hollow circular-tube can prevent that torsion spring deformation is excessive, it is integrated can be designed so that torsion spring and pipe be tightly combined thus
Both not phase mutual friction substantially, greatly improve service life in operation.
Further, the torsion spring of piano wire coiling is provided with the inwall of the hollow circular-tube.Torsion spring is arranged on open circles
Supporting role is played on inside pipe wall to hollow circular-tube, and can conveniently be dismantled, outside hollow circular-tube damages, and need to only be changed
Layer, is easy to safeguard.
Further, the electrode bar is fixed on the center of the cover plate of ball grinder by O-ring sealing, and electrode bar is in ball milling
The outer forehead of tank, which sets up separately, is equipped with helicitic texture, elastomeric pad is provided with helicitic texture, elastomeric pad both sides are equipped with double nut.Adopt
With double nut fixed form, it can prevent under long-time Vibration Condition, single nut can come off, and make to be connected to the high-tension electricity on electrode
Line comes off, and occurs unexpected.
Further, the surface of the block media layer is additionally provided with dismountable electrode bar protective case.
Further, the ball grinder is provided with the fixture for the circular arc for being used to fasten ball grinder, and the fixture passes through spiral shell
Nail is fixed on the both sides of groove, and the groove inner surface is provided with buffering spacer.Buffering spacer can select rubber blanket, with reference to circular arc
Clamp can effectively fix ball grinder.
Further, PU ventilation pipes, the other end of the PU ventilations pipe are also sealedly connected with the cover plate of the ball grinder
It is connected with vacuum valve.Vacuum valve can be remotely from the place of shake table, avoid vacuum valve be mounted directly on the cover board because than
Closer electrode bar and easily produce unfavorable electric discharge.
Further, the outer tank body of the elastomeric pad of the electrode bar and ball grinder respectively with high frequency and high voltage power supply
The two poles of the earth connect.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model forms double-dielectric barrier discharge by the block media layer of electrode bar and the inner tank body of ball grinder
Structure, the cold plasma that double-dielectric barrier discharge is formed can more uniformly than single dielectric barrier discharge situation of metal can, sample
The action of plasma intensity that product are subject to is basically identical so that the distribution of particle sizes of obtained sample is narrower, and properties of samples is also more
It is close；If electrode bar dielectric layer can be formed and put with ball grinder internal layer list dielectric barrier discharge, plasma by mechanical failure
Electricity will not be interrupted, and fault rate can be also reduced；
2nd, the utility model employs driving snake connection motor and vibrator, the hard axle driving of the amplitude ratio that shake table obtains
Obvious big, motor speed can also reach high value, so that abrading-ball carries out patch ball milling top tank structure enough to mechanical energy does height
Fast circular motion, avoid the collision of abrading-ball and electric shock baton and damage electric shock baton, reduce consumptive material, while this adherent ball milling side
Abrading-ball under formula is to be rolled across or slipped over larger pressure or skid crosses sample, contrasts traditional vibratory milling mode, sample is more
Add easy refinement；
3rd, the utility model ball milling top tank structure is dielectric, and using ceramic base material, abrading-ball similarly uses ceramic base material
Matter, in ball milling metal based specimen, because nature difference is larger, sample will not make with ball milling top tank structure and abrading-ball adhesion substantially
It is easily levigate to obtain sample；
4th, protective case is provided with electrode bar of the present utility model, during dielectric barrier discharge, event occurs for electrode bar
When barrier causes high-voltage ac power generation protection, then replacing protective case is carried out, is not required to change whole electrode bar, has both saved consumption
Material, also make it that maintenance is very convenient.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the structural representation of the ball grinder of the utility model embodiment 1；
Fig. 3 is the structural representation of the driving snake of the utility model embodiment 1；
Fig. 4 is the abrading-ball movement locus figure of the utility model embodiment 1；
Parts title and sequence number in figure：
Motor 1, shake table 2, ball grinder 3, pedestal 4, vibrator 5, driving snake 6, upper guide post 7, lower guide pillar 8, stage clip 9,
Groove 10, fixture 11, electrode bar 12, PU ventilation pipes 13, vacuum valve 14, high frequency and high voltage power supply 15, abrading-ball 16；
Inner tank body 301, outer tank body 302, cover plate 303；
Hollow circular-tube 601, fibrous layer 602, torsion spring 603；
Block media layer 1201, elastomeric pad 1202, nut 1203, protective case 1204.
Embodiment
The utility model is described below in conjunction with drawings and examples, following examples are solved with utility model optimal effectiveness
Explanation is released, but these embodiments are not limitation of the present utility model.
Embodiment 1：
As Figure 1-3, a kind of double-dielectric barrier discharge plasmaassisted ball mill device, including motor 1, shake table 2,
Ball grinder 3 and pedestal 4, the middle part of shake table 2 are provided with vibrator 5, set between the output shaft of motor 1 and the rotary shaft of vibrator 5
Put driving snake 6 to connect, the output shaft of motor 1 and the center line horizontal alignment of the rotary shaft of vibrator 5；The bottom four of shake table 2
Individual angle is equipped with upper guide post 7, and the upside correspondence position of pedestal 4 is provided with lower guide pillar 8, and cylinder is provided between upper guide post 7 and lower guide pillar 8
Stage clip 9, stage clip 9 are directly placed on upper guide post 7 and lower guide pillar 8, are easy to change corresponding supporting stage clip 9 when changing ball grinder；Shake
The dynamic both sides of platform 2 are respectively equipped with symmetrical circular groove 10, and ball grinder 3 is placed in groove 10 with horizontal, are put per side groove 10
1 ball grinder 3 is put, the left and right horizontal of ball grinder 3 of both sides is symmetrical；Ball grinder 3 is provided with the fixture 11 of circular arc, and fixture 11 passes through
Screw is fixed on the both sides of groove 10, and the inner surface of groove 10 is provided with buffering spacer, and ball grinder 3 passes through fixture 11 and buffering cushion pad
Piece fastens ball grinder 3, prevents ball grinder 3 from rocking；Motor 1 is additionally provided with the speed regulator that can set motor speed and time.
In the present embodiment, the tank body of ball grinder 3 is cylindric double-decker, and inner tank body 301 is made of ceramic base material,
For example aluminum oxide, zirconium oxide or silicon nitride etc., outer tank body 302 are made of Metal Substrate material, inner tank body 301 and outer tank body 302
Interference fits；PU ventilation pipes 13, the other end and vacuum valve of PU ventilation pipes 13 are also sealedly connected with the cover plate 303 of ball grinder 3
14 connections, carry out ball grinder with vavuum pump or inflator pump respectively by vacuum valve 14 and vacuumize or inject indifferent gas to ball grinder
Body medium.
In the present embodiment, electrode bar 12 passes through O-ring（It is not drawn into figure）Sealing is fixed in the cover plate 303 of ball grinder
The heart, covered with block media layer 1201 on the outside of part of the electrode bar 12 in ball grinder, electrode bar 12 is outside ball grinder
Part is provided with helicitic texture, elastomeric pad 1202 is provided with helicitic texture, the both sides of elastomeric pad 1202 are equipped with nut
1203, the surface of block media layer 1201 is additionally provided with dismountable electrode bar protective case 1204；The elastomeric pad of electrode bar 12
1202 are connected with the two poles of the earth of the outer tank body 302 of ball grinder respectively with high frequency and high voltage power supply 15.
In the present embodiment, driving snake 6 is composite construction, including using made of the rubber or high polymer material of high tenacity
Hollow circular-tube 601, the inside of hollow circular-tube 601 are provided with the fibrous layer 602 of high-tension, and fibrous layer 602 is internally embedded piano wire
The torsion spring 603 of coiling.
The present embodiment connects motor 1 and shake table 2 by driving snake 6, passes through the startup speed of speed regulator regulation motor 1
Degree, motor 1 first to slowly run, make abrading-ball 16 obtain enough mechanical energies, then lift rotating speed rapidly, make abrading-ball 16 final
High speed circular motion is done inside ball grinder to paste, as shown in Figure 4；Simultaneously by setting dielectric barrier 1201 on electrode bar 12
Double-dielectric barrier discharge structure, the outer tank body 302 of electrode bar 12 and ball grinder are constituted with the ceramic base inner tank body 301 of ball grinder
The two poles of the earth with high frequency and high voltage power supply 15 are connected respectively, and so as to realize corona discharge or glow discharge, plasma is introduced
Inside ball grinder 3, double-dielectric barrier discharge formed plasma it is more uniform than single dielectric barrier discharge situation, sample by
Action of plasma intensity it is basically identical so that the distribution of particle sizes of obtained sample is narrower, and properties of samples is also more close.
Embodiment 2：
In the present embodiment, it is with the difference of embodiment 1, the torsion spring 603 of piano wire coiling is arranged on hollow circular-tube
On 601 inwall, remaining operation principle is same as Example 1.
Obviously, above-described embodiment illustrates the utility model example just for the sake of clear, and not to implementing
Restriction.For the those of ordinary skill in the field, other not similar shapes can also be made on the basis of the above description
The change or variation of formula.There is no need and unable to all embodiment party's formulas with exhaustion.And thus amplify out aobvious and easy
Among the change or variation seen are still in the scope of protection of the utility model.
Claims (10)
1. a kind of double-dielectric barrier discharge plasmaassisted ball mill device, including motor, shake table, ball grinder and pedestal, institute
State and electrode bar be installed in ball grinder, it is characterised in that：Vibrator, the output shaft of the motor are provided with the middle part of the shake table
Driving snake is set to be connected between the rotary shaft of vibrator, the center line of the output shaft of the motor and the rotary shaft of vibrator
Horizontal alignment；Described four angles in shake table bottom are equipped with upper guide post, and correspondence position is provided with lower guide pillar on the upside of the pedestal, described
Cylindrical stage clip is provided between upper guide post and lower guide pillar；The shake table both sides are respectively equipped with symmetrical circular groove, described
Ball grinder is placed in groove with horizontal, places 1 or 2 ball grinders per side groove, the ball grinder left and right horizontal of both sides is symmetrical；
The tank body of the ball grinder is cylindric double-decker, including the inner tank body of ceramic base material and Metal Substrate material outer tank
Body, the inner tank body and outer tank body interference fits；
Covered with block media layer on the outside of part of the electrode bar in ball grinder；
The motor is additionally provided with the speed regulator that can set motor speed and time.
A kind of 2. double-dielectric barrier discharge plasmaassisted ball mill device according to claim 1, it is characterised in that：Institute
It is composite construction to state driving snake, including using hollow circular-tube made of the rubber or high polymer material of high tenacity, it is described hollow
The inside of pipe is provided with the fibrous layer of high-tension.
A kind of 3. double-dielectric barrier discharge plasmaassisted ball mill device according to claim 2, it is characterised in that：Institute
State the torsion spring that fibrous layer is internally embedded piano wire coiling.
A kind of 4. double-dielectric barrier discharge plasmaassisted ball mill device according to claim 2, it is characterised in that：Institute
State the torsion spring that piano wire coiling is provided with the inwall of hollow circular-tube.
A kind of 5. double-dielectric barrier discharge plasmaassisted ball mill device according to claim 1, it is characterised in that：Institute
The center that electrode bar is fixed on the cover plate of ball grinder by O-ring sealing is stated, part of the electrode bar outside ball grinder is provided with spiral shell
Line structure, elastomeric pad is installed on helicitic texture, elastomeric pad both sides are equipped with double nut.
A kind of 6. double-dielectric barrier discharge plasmaassisted ball mill device according to claim 1, it is characterised in that：Institute
The surface for stating block media layer is additionally provided with dismountable electrode bar protective case.
A kind of 7. double-dielectric barrier discharge plasmaassisted ball mill device according to claim 1, it is characterised in that：Institute
The fixture that ball grinder is provided with the circular arc for being used to fasten ball grinder is stated, the fixture is fixed by screws in the both sides of groove.
A kind of 8. double-dielectric barrier discharge plasmaassisted ball mill device according to claim 1, it is characterised in that：Institute
State groove inner surface and be provided with buffering spacer.
9. a kind of double-dielectric barrier discharge plasmaassisted ball mill device, its feature exist according to claim 1 or 5
In：PU ventilation pipes are also sealedly connected with the cover plate of the ball grinder, the other end of the PU ventilations pipe is connected with vacuum valve.
A kind of 10. double-dielectric barrier discharge plasmaassisted ball mill device according to claim 1, it is characterised in that：
The elastomeric pad of the electrode bar and the outer tank body of ball grinder are connected with the two poles of the earth of high frequency and high voltage power supply respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720521507.0U CN206716098U (en) | 2017-05-11 | 2017-05-11 | A kind of double-dielectric barrier discharge plasmaassisted ball mill device |
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| CN201720521507.0U CN206716098U (en) | 2017-05-11 | 2017-05-11 | A kind of double-dielectric barrier discharge plasmaassisted ball mill device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095270A1 (en) * | 2020-11-06 | 2022-05-12 | 华南理工大学 | Continuous low-temperature plasma powder treatment and ball milling production device and method therefor |
| CN115110052A (en) * | 2022-07-05 | 2022-09-27 | 广州大学 | Dielectric barrier cold plasma bearing strengthening device |
-
2017
- 2017-05-11 CN CN201720521507.0U patent/CN206716098U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095270A1 (en) * | 2020-11-06 | 2022-05-12 | 华南理工大学 | Continuous low-temperature plasma powder treatment and ball milling production device and method therefor |
| CN115110052A (en) * | 2022-07-05 | 2022-09-27 | 广州大学 | Dielectric barrier cold plasma bearing strengthening device |
| CN115110052B (en) * | 2022-07-05 | 2023-06-20 | 广州大学 | Dielectric barrier cold plasma bearing strengthening device and method |
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