CN101239334B - Plasma auxiliary high-energy roller ball mill device - Google Patents
Plasma auxiliary high-energy roller ball mill device Download PDFInfo
- Publication number
- CN101239334B CN101239334B CN2008100266885A CN200810026688A CN101239334B CN 101239334 B CN101239334 B CN 101239334B CN 2008100266885 A CN2008100266885 A CN 2008100266885A CN 200810026688 A CN200810026688 A CN 200810026688A CN 101239334 B CN101239334 B CN 101239334B
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- China
- Prior art keywords
- barrel
- roller ball
- bearing
- ball mill
- plasma
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000227 grinding Methods 0.000 claims abstract description 15
- 244000309464 bull Species 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000007812 deficiency Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 8
- 238000000498 ball milling Methods 0.000 description 7
- 238000000713 high-energy ball milling Methods 0.000 description 5
- 238000003701 mechanical milling Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003534 oscillatory effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005551 mechanical alloying Methods 0.000 description 2
- 239000011858 nanopowder Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The present invention provides a high-powered ball grinding technology, specifically a plasma assisting high powered roller ball grinder. The device is changed on the base of traditional roller ball grinder, specifically an electrode axis having a coaxial-line with the roller mounted and fixed by bearing base lid in the roller ball grinder. The aim of the introducing plasma to the roller ball grinder by the device is achieved, the ball grinding speed is accelerated, the diameter distribution is narrow, the grinding efficiency is effectively enhanced at the same time. The device overcomes the deficiency of high vibration and noise of plasma assisting high powered roller ball grinder. The device of the invention has a simple structure, reasonanle and easy to prepaation, the method is easy to achieve, and the device also effectively pushes the application and popularization of the plasma assisting high powered roller ball grinder in the large-scale production in batch of the micronano.
Description
Technical field
The present invention relates to high-energy ball-milling process, be meant a kind of device of plasma auxiliary high-energy roller ball mill more specifically.
Background technology
High-energy ball-milling process is one of important technology of preparation micro-nano powder, is widely used in micro-nano powder preparation and mechanical alloying field.High-energy ball-milling process is that an energy of processed powder is forced process, and existing high energy ball mill mainly is by simple rotation or vibratory milling jar, utilize the mechanical energy of the abrading-ball in the ball grinder to grind powder, working (machining) efficiency is not high, thereby make ball milling elongated process time, the synthetic of some product needed hundreds of individual hour, and then caused that the ball milling utensil is very serious to the pollution of product powder.These reasons just make common high energy ball mill in the preparation of actual micro Nano material and produce in enormous quantities and be restricted in using.The deficiency of common high energy ball mill has caused researcher's attention, progressively adopts ancillary technique to strengthen mechanical milling process, improves grinding efficiency, shortens the ball milling time.For example, the patent No. is the method that the Chinese patent of ZL200510036231.9 discloses a kind of plasma auxiliary high-energy ball milling, mainly be that the oscillatory type ball mill is transformed, in ball grinder, add electrode bar, thereby corona discharge or glow discharge between electrode and the abrading-ball in the realization mechanical milling process, plasma is incorporated into ball grinder inside, with mechanical energy single in the former ball milling process and plasma is organic combines, increasing is to handling the effective energy input of powder, powder is carried out Combined Processing, efficient is improved, and the ball milling time shortens.
But the vibration of this oscillatory type ball mill is big, and noise is big, and abrading-ball dishes out by vibration, and is bigger to the electrode bar impulse ratio.In addition, existing roller ball grinding machine existence input mechanical energy is less, grinding efficiency is lower, for further improving grinding efficiency, need ancillary technique to strengthen mechanical milling process, rotate the difficult point problem of mutual interference mutually and directly introduce the auxiliary electrode axis that need solve of plasma with cylinder.
Summary of the invention
The objective of the invention is to weak point,, provide a kind of device of plasma auxiliary high-energy roller ball mill by improving on the structure to the roller ball grinding machine at the prior art existence.
Technical scheme of the present invention is as follows:
A kind of plasma auxiliary high-energy roller ball mill device, it is characterized in that: this device is to transform to form on conventional rollers ball mill basis, specifically be meant at the center of roller ball grinding machine by bearing cover and be installed with electrode axis with the barrel coaxial line, the be coupling positive pole of power supply of electrode, the negative pole of bearing seated connection power supply, and ground connection.
Described electrode axis flexibly connects by little bearing and the barrel of insulation, and sealing ring is embedded in the little bearing in the barrel journal hole, and it is assembled into one, and by big bearing and bearing block flexible connection; Bearing block loam cake and bearing cover are fixedly connected on the bearing block respectively; Bull gear is fixedly mounted on an end of barrel, and with the pinion on the buncher output shaft, buncher is fixedly mounted on the bearing block.
Have batching hole on the described barrel sidewall, the barrel lid matches with batching hole and seals installation.
The present invention compared with prior art has following advantage:
(1) the present invention adopts electrode axis to fix, the rotation of barrel comparative electrode axle, solved electrode axis and the barrel difficult point problem of mutual interference mutually, realized high-tension electricity is introduced the purpose of roller ball grinding machine, compare with existing roller ball grinding machine, ball milling speed is accelerated, and powder reaches nanoscale easily, particle diameter distributes narrow, has also improved grinding efficiency simultaneously effectively.
(2) barrel relatively rotates around electrode axis, and its inner abrading-ball impacts relative less to electrode axis and barrel, and it is big to have overcome the vibration of plasma auxiliary high-energy oscillatory type ball mill, the deficiency that noise is big; And satisfied the requirement that plasma is provided for material in the cylinder, and help the powder phase counterdiffusion of heterogeneity, promote mechanical alloying process.
(3) apparatus of the present invention are simple and reasonable for structure, are convenient to processing and manufacturing, and method realizes easily, can effectively promote the plasma auxiliary high-energy ball grinding technique and use in micro-nano large-scale mass production and promote.
Description of drawings
Fig. 1 is a kind of structural representation of plasma auxiliary high-energy roller ball mill device.
The specific embodiment
The present invention is described in further detail by following embodiment and accompanying drawing.But the working of an invention mode is not limited thereto.
As shown in Figure 1, plasma auxiliary high-energy roller ball mill device is made up of electrode axis 1, barrel 2, bull gear 3, bearing block loam cake 4, bearing cover 5, bearing block 6, buncher 7, pinion 8, barrel lid 9, sealing ring 10, little bearing 11, big bearing 12, power supply 13; Their annexation is as follows: the center at traditional roller ball grinding machine is equipped with fixed electrode axis 1 by bearing cover, electrode axis 1 and barrel 2 coaxial lines, and the little bearing 11 that passes through insulation flexibly connects mutually, sealing ring 10 is embedded in the little bearing 11 in the barrel journal hole, it is assembled into one, and flexibly connects by big bearing 12 and bearing block 6; Bearing block loam cake 4 and bearing cover 5 are fixedly connected on respectively on the bearing block 6; Have batching hole on barrel 2 sidewalls, batching hole and barrel lid 9 matches, cover barrel lid 9 after, barrel lid 9 is fixed with barrel 2 screws, barrel 2 is closed; Bull gear 3 is fixedly mounted on an end of barrel 2, and with pinion 8 engagements on buncher 7 output shafts, buncher 7 is fixedly mounted on the bearing block 6.It is fixing that rear electrode axle 1 is finished in assembling, 1 rotation of barrel 2 comparative electrode axles.Electrode axis 1 connects the positive pole of power supply 13, and bearing block 6 connects the negative pole of power supply, and ground connection.
The course of work of the present invention is as follows:
Washing barrel body 2 inside at first, with abrading-ball with wait to grind material from the sidewall batching hole of barrel 2 barrel 2 inside of packing into, cover barrel lid 9, to be evacuated in the barrel 2 then, charge into discharge medium argon gas or nitrogen or ammonia, adjust the frequency and the voltage of power supply 13 according to the situation of the vacuum of barrel 2 inside and medium, the rotating speed of buncher 7 is adjusted to made barrel 2 be in critical speed, so that make full use of the mechanical energy of abrading-ball.Open plasma electrical source 13 and buncher 7, make the plasma auxiliary high-energy roller ball mill machine be in running status, the positive electricity of the electrode axis 1 band high pressure of centre-lock, barrel 2 ground connection, barrel 2 relatively rotates around electrode axis 1; Abrading-ball is housed in the cylinder, barrel 2 is conductive material with abrading-ball, when barrel 2 rotates with certain speed under buncher 7 drives, the motion of drive abrading-ball, abrading-ball leaves cylinder wall after cylinder wall rises to certain altitude, abrading-ball and electrode axis 1 be separated by suitably apart from the time, corona discharge and glow discharge plasma take place between electrode and abrading-ball, coupling machinery can with the plasma high-energy ball milling powder.
Like this plasma is incorporated into barrel 2 inside, plasma has the highly active atmosphere of high energy, produce the microcosmic particle that is in excitation state in a large number, and then produce hot, excitation energy, ionization energy, luminous energy, the ultrasonic wave effect, so original simple mechanical can be become the mechanical milling process that mechanical energy combines with plasma by mechanical milling process, strengthened effective energy input to institute abrasive dust end, the waiting of barrel 2 inside ground material at abrading-ball mechanical energy and the additional thermal source of plasma generation, luminous energy, excitation energy, under the comprehensive function of ionization energy etc. fast by levigate, thereby strengthened the ball milling effect.
Claims (3)
1. plasma auxiliary high-energy roller ball mill device, it is characterized in that: this device is to transform to form on conventional rollers ball mill basis, specifically is meant at the center of roller ball grinding machine by bearing cover (5) to be installed with electrode axis (1) with barrel (2) coaxial line; Electrode axis (1) connects the positive pole of power supply (13), and bearing block (6) connects the negative pole of power supply, and ground connection.
2. a kind of plasma auxiliary high-energy roller ball mill device according to claim 1, it is characterized in that: described electrode axis (1) flexibly connects with barrel (2) by the little bearing (11) of insulation, sealing ring (10) is embedded in the little bearing (11) in the barrel journal hole, it is assembled into one, and flexibly connects by big bearing (12) and bearing block (6); Bearing block loam cake (4) and bearing cover (5) are fixedly connected on respectively on the bearing block (6); Bull gear (3) is fixedly mounted on an end of barrel (2), and with pinion (8) engagement on buncher (7) output shaft, buncher (7) is fixedly mounted on the bearing block (6).
3. a kind of plasma auxiliary high-energy roller ball mill device according to claim 1 is characterized in that: have batching hole on described barrel (2) sidewall, the barrel lid matches with batching hole and seals installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100266885A CN101239334B (en) | 2008-03-07 | 2008-03-07 | Plasma auxiliary high-energy roller ball mill device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100266885A CN101239334B (en) | 2008-03-07 | 2008-03-07 | Plasma auxiliary high-energy roller ball mill device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101239334A CN101239334A (en) | 2008-08-13 |
| CN101239334B true CN101239334B (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100266885A Expired - Fee Related CN101239334B (en) | 2008-03-07 | 2008-03-07 | Plasma auxiliary high-energy roller ball mill device |
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| Country | Link |
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| CN (1) | CN101239334B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500451A (en) * | 2011-12-23 | 2012-06-20 | 华南理工大学 | Auxiliary ball milling dielectric barrier discharge electrode |
| CN103639009A (en) * | 2013-11-25 | 2014-03-19 | 无锡睿网科技有限公司 | Double-shaft grain grinding device |
| CN104689947B (en) * | 2013-12-06 | 2018-02-13 | 大连隆星新材料有限公司 | One kind is used for paraffin ball forming and surface all standing coat system |
| CN103949309A (en) * | 2014-03-13 | 2014-07-30 | 常熟市迅达粉末冶金有限公司 | Novel crusher |
| JP6348233B2 (en) * | 2014-12-24 | 2018-06-27 | 華南理工大学 | Application method and apparatus of cold plasma discharge support in high energy ball-crushing of powder |
| CN105597881A (en) * | 2015-11-03 | 2016-05-25 | 高斌 | Batch-type ball mill |
| CN108824059A (en) * | 2018-06-19 | 2018-11-16 | 东莞市联洲知识产权运营管理有限公司 | A kind of roller shell structure on paper-making drying cylinder |
| CN112059891A (en) * | 2020-06-16 | 2020-12-11 | 连云港市宏庆电力辅机开发有限公司 | Rubber ball peeler |
| CN112354631A (en) * | 2020-10-10 | 2021-02-12 | 深圳市科力纳米工程设备有限公司 | Ball milling device and method based on plasma field |
| CN112371270A (en) * | 2020-10-10 | 2021-02-19 | 深圳市科力纳米工程设备有限公司 | Ball milling system and method based on composite grinding field |
| CN112354632A (en) * | 2020-10-10 | 2021-02-12 | 深圳市科力纳米工程设备有限公司 | Intermittent continuous grinding system and method |
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- 2008-03-07 CN CN2008100266885A patent/CN101239334B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101239334A (en) | 2008-08-13 |
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Granted publication date: 20100929 |