CN102632243B - Ball milling pot with agitation function for preparing micro-nano composite powder - Google Patents

Ball milling pot with agitation function for preparing micro-nano composite powder Download PDF

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Publication number
CN102632243B
CN102632243B CN 201210131290 CN201210131290A CN102632243B CN 102632243 B CN102632243 B CN 102632243B CN 201210131290 CN201210131290 CN 201210131290 CN 201210131290 A CN201210131290 A CN 201210131290A CN 102632243 B CN102632243 B CN 102632243B
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ball grinder
nano composite
ball milling
ball
micro
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CN102632243A (en
Inventor
王宏宇
沈清
黎向锋
王明娣
吴志奎
袁晓明
赵玉凤
刘凯
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TAIZHOU KANGQIAN MECHANICAL MANUFACTURE CO., LTD.
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Jiangsu University
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Abstract

The invention provides a ball milling pot with an agitation function for preparing micro-nano composite powder, comprising a ball milling pot shell (16) and a ball milling pot end cover (14), wherein a hollow cavity for placing a milling ball and the micro-nano composite powder is formed by the ball milling pot shell (16) and the ball milling pot end cover (14). The ball milling pot is characterized in that: the bottom of the ball milling pot shell (16) is mounted on a base shell (2); an impeller cover (13) is mounted at the inner bottom of the ball milling pot shell (16); an agitation impeller (11) which is located in the impeller cover (13) is directly mounted on an output shaft of a motor (4) which passes through a sealing sleeve (8) at the center of the bottom of the ball milling pot shell (16); the motor (4) is mounted in a mounting cavity composed of outer bottoms of the base shell (2) and the ball milling pot shell (16); and a battery (5) for providing power to the motor (4) ismounted in the mounting cavity. The ball milling pot with the agitation function for preparing the micro-nano composite powder has the advantages of compact structure and simplicity in control; and compared with the existing mainstream ball milling machine, the ball milling pot has better adaptability and strong practicability.

Description

The preparation micro-nano composite granule ball grinder that has agitating function
Technical field
The present invention relates to a kind of ball grinder, especially a kind of ball grinder that is installed on the vertical-type planetary ball mill for the preparation of the micro-nano composite granule, specifically a kind of preparation micro-nano composite granule ball grinder that has agitating function.
Background technology
In recent years, a kind of structure is situated between and sees the technology---micro-nano granules complex technique of (micro/nano level) novel substance, has caused domestic and international experts and scholars' attention.The micro-nano granules complex technique is nano particle to be coated on the micron particles surface or to make its disperse be distributed in the technology of preparation novel micro nanometer composite granule in the micron particles.In powder and micron, introduce preparation of nanoparticles micro-nano composite granule, not only can avoid nano particle effectively because the relatively poor deficiency of practical effect of reuniting and bringing, and characteristics such as the original composition diversity of powder and micron, good fluidity have been kept, what is more important can also obtain the compound synergistic function of micro-nano, as chemical mobility of the surface and the performances such as electricity, magnetic, heat, optics of raising particle.Because the micro-nano composite granule has numerous advantages, so obtained using comparatively widely in fields such as advanced composite material (ACM) and Surface Engineering, its technology of preparing becomes the focus of association area research.
As everyone knows, one of preparation method that the micro-nano composite granule is the most commonly used is mechanical ball-milling method.By inventions such as Wang Hongyu, the patent No. is ZL 200710024996.X, denomination of invention is that the Chinese patent of " a kind of mechanical preparation method of composite nanometer ceramic and micron metal powder " has proposed the method for " introduce nano-powder, take into full account nano ceramics and micron metal quality proportioning, adopt mechanical Prepared by Ball Milling micro-nano composite granule as ball-milling medium with nano suspending liquid ", has realized that nano-powder and the micro-powder with the marketization is that raw material prepare the micro-nano composite granule conscientiously, simply, efficiently.But, the ball-grinding machine that this method adopts is conventional ball mill (as planetary high-energy ball mill) and ball grinder (smooth tubular structure with cover), this ball mill is by being installed in the planet operation of the ball grinder on the workbench, drives that ball grinder rotates and then the abrading-ball and little, the nano-powder operation that drive in the jar reach compound purpose.But little, receive powder in the ball milling recombination process, because the interior powder of utmost point short time that acts on of gravity etc. will be in a large amount of depositions in ball grinder bottom, and the abrading-ball in the ball grinder gets rid of middle part or middle and upper part to ball grinder under the action of the centrifugal, cause abrading-ball not produce useful effect to the powder at the bottom of being deposited on jar, the nanometer component can't contact with the powder that is deposited on the bottom, thereby has greatly influenced little, as to receive powder composite effect.A large amount of experiments show, after the compound end of ball milling, still contain a large amount of nano-component (accounting for the 70%-80% of original addition) in the ball-milling medium of upper strata in the ball grinder, the made powder of getting ready needs powder to be taken out from jar with hard tool (as the steel spoon) with at the bottom of abrading-ball is deposited on ball grinder.This shows, because conventional ball mill and ball grinder do not have the function that effectively overcomes effects such as gravity when ball milling, thus cause the nano-component effective rate of utilization not high, little, the composite effect of powder received is relatively poor.Therefore, realize really that this technology applies in engineering, powder is in the problem of bottom settlings in the time of must solving ball milling.But, up to the present, do not have a kind of ball grinder that can effectively overcome effect such as powder gravity to use for adopting the described method of ZL 200710024996.X to prepare the micro-nano composite granule as yet.
Summary of the invention
The objective of the invention is do not have the function that effectively overcomes effects such as powder gravity at existing ball grinder, so cause little when adopting the described method of ZL 200710024996.X to prepare the micro-nano composite granule, as to receive powder relatively poor problem of composite effect, design and a kind ofly can effectively overcome the preparation micro-nano composite granule that the has agitating function ball grinder that powder gravity etc. is action function, have agitating function when ball milling, can prepare usefulness for the micro-nano composite granule, provide essential equipment for realizing the extensive use in engineering of the promotion described method of ZL 200710024996.X.
Technical scheme of the present invention is:
A kind of preparation micro-nano composite granule ball grinder that has agitating function, comprise ball grinder housing 16 and ball grinder end cap 14, ball grinder housing 16 and ball grinder end cap 14 form a cavity that is used for placing abrading-ball and micro-nano composite granule, the bottom that it is characterized in that described ball grinder housing 16 is installed on the base shell 2, impeller chimney 13 is installed on the inner bottom part of ball grinder housing 16, the agitator arm 11 that is arranged in impeller chimney 13 is directly installed on the output shaft of motor 4 of the sealing shroud 8 that passes ball grinder housing 16 bottom centre, motor 4 is installed in the installation cavity of being made up of base shell 2 and ball grinder housing 16 outer bottoms, is installed in the described installation cavity for motor 4 provides the battery 5 of power.
Described battery 5 is annular rechargeable battery, and motor 4 is positioned in the middle of the described annular rechargeable battery; The outer bottom of described ball grinder housing 16 is provided with a boss structure, and this boss structure is pressed on the described annular rechargeable battery.
Described agitator arm 11 is installed on the paddle wheel shaft, and the paddle wheel shaft links to each other with the output shaft of the motor 4 that passes ball grinder housing 16.
Described agitator arm 11 is for having the blade wheel structure of three uniform blades, and each blade is structure twist.
The top of described impeller protective cover 13 and be surrounded by the wire netting of hollow out all around.
Be evenly equipped with protruding key on the described ball grinder housing 16 outer bottom circumference, described bottom enclosure 2 relative position places are provided with the groove that matches, and described protruding key inserts in the described groove, and the quantity of described protruding key is at least three.
The sealing shroud 8 of described ball grinder housing 16 bottom centre is contained in ball grinder housing 16 bottoms by interference fit, has two seal grooves on the sealing shroud 8, and a L shaped sealing ring 9 and an O-ring seals 10 all are housed in each seal groove.
Described base shell 2 is installed on the workbench of vertical-type planetary ball mill, thereby ball grinder is installed in the mounting seat 20 on the vertical-type planetary ball mill and uses ball grinder clamping device 19 to clamp.
Beneficial effect of the present invention:
(1) the present invention is by increasing agitating function, solved when adopting conventional ball grinder to prepare the micro-nano composite granule since the powder that effects such as gravity cause bottom settlings cause little, receive the relatively poor problem of powder composite effect, improved nano-powder and the micro-powder contact rate in mechanical milling process, the nano-component effective rate of utilization reaches more than 60%, has effectively improved micro-nano composite granule quality.
(2) the present invention has improved the rotary speed of ball-milling medium in ball grinder, has strengthened the mechanical energy convection cell and has transmitted transformation efficiency, and is little, receive powder combined efficiency height, can further reduce the micro-nano composite granule and prepare required time.
(3) all parts of ball grinder of the present invention obtain easily and are all detachable, and maintenance is convenient, and is with low cost, compact conformation, and control simply has good suitability with existing main flow ball mill in operating process, and is practical.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure, 1-ring-shaped rubber pad, 2-bottom enclosure, 3-round rubber pad, 4-miniature motor, 5-annular battery, 6-controllable power switch, 7-trip bolt, 8-sealing shroud, 9-L V-shaped ring, 10-O shape sealing ring, 11-agitator arm, 12-lock-screw, 13-impeller protective cover, 14-ball grinder end cap, 15-sealing gasket, 16-ball grinder housing, 17-trip bolt, 18-power source charges interface, 19-ball grinder clamping device, 20-ball grinder mounting seat.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing and example.
As shown in Figure 1.
A kind of preparation micro-nano composite granule ball grinder that has agitating function, it comprises ring-shaped rubber pad 1, bottom enclosure 2, round rubber pad 3, motor 4(can adopt miniature motor), battery 5(can adopt annular battery), controllable power switch 6, trip bolt 7, sealing shroud 8, L shaped sealing ring 9, O-ring seals 10, agitator arm 11, lock-screw 12, impeller protective cover 13, ball grinder end cap 14, sealing gasket 15, ball grinder housing 16, trip bolt 17, power source charges interface 18, ball grinder housing 16 and ball grinder end cap 14 form a cavity that is used for placing abrading-ball and micro-nano composite granule, the bottom of described ball grinder housing 16 is installed on the base shell 2, impeller chimney 13 is installed on the inner bottom part of ball grinder housing 16, top on the impeller chimney 13 and the wire netting that can be surrounded by hollow out all around cause damage to prevent the abrading-ball in the jar to stirring vane 11, the agitator arm 11 that is arranged in impeller chimney 13 is directly installed on the output shaft of motor 4 of the sealing shroud 8 that passes ball grinder housing 16 bottom centre, be to adopt directly to be locked in motor output shaft on by lock-screw 12 agitator arm 11 among Fig. 1, motor 4 is installed in the installation cavity of being made up of base shell 2 and ball grinder housing 16 outer bottoms, for providing the battery 5 of power, motor 4 is installed in the described installation cavity, during concrete enforcement in order to keep balance, battery 5 can adopt annular battery, and motor 4 is installed in the annular chamber of annular battery.Motor 4 is fixed on the outer bottom of ball grinder housing 16 by trip bolt 7, give motor 4 power supplies by annular battery 5, by the connecting and disconnecting between the controllable power switch 6 annular batteries 5 of control and the motor 4, give annular battery 5 chargings by power source charges interface 18, utilize interference fit that annular battery 5 and bottom enclosure 2 are fixed together, and the outer bottom boss structure bottom that utilizes ball grinder housing 16 compresses annular battery 5 and prevents that it from producing and slide, by interference fit sealing shroud 8 and ball grinder housing 16 are fixed together, have in the sealing shroud 8, following two seal grooves, a L shaped sealing ring 9 and an O-ring seals 10 are housed respectively in each seal groove, utilize lock-screw 12 agitator arm 11 to be fixed on the output shaft of miniature motor 4, utilize trip bolt 17 impeller protective cover 13 to be fixed on the inner bottom part of ball grinder housing 16 to avoid agitator arm 11 to bump with abrading-ball when rotated and to cause breakage, be evenly equipped with at least three protruding keys on the ball grinder housing 16 outer bottom circumference, in the groove that during installation the protruding key insertion bottom enclosure 2 on it is matched, slide to prevent from producing between ball grinder housing 16 and the bottom enclosure 2, sealing gasket 15 places ball grinder housing 16 and ball grinder end cap 14 junctions.In order to improve mixing effect, when specifically implementing, the quantity of agitator arm 11 is at least three, and evenly arranges, each blade adopts helical structure.The present invention is by being installed in base shell 2 on the workbench of vertical-type planetary ball mill, clamps thereby ball grinder is installed on the mounting seat 20 on the vertical-type planetary ball mill and with ball grinder clamping device 19.
The installation process of ball grinder of the present invention is:
L shaped sealing ring 9 and O-ring seals 10 are placed seal groove in the sealing shroud 8, by interference fit sealing shroud 8 and ball grinder housing 16 are fixed together, miniature motor 4 is fixed on the outer bottom of ball grinder housing 16 by trip bolt 7, utilize lock-screw 12 that agitator arm 11 is fixed on the output shaft of motor 4, utilize trip bolt 17 impeller protective cover 13 to be fixed on the inner bottom part of ball grinder housing 16; Ring-shaped rubber pad 1, round rubber pad 3, annular battery 5, controllable power switch 6, power source charges interface 18 are contained on the bottom enclosure 2, after with lead annular battery 5, power source charges interface 18 and miniature motor 4 being coupled together, the protruding key on the ball grinder housing 16 outer bottom circumference is inserted on the bottom enclosure 2 in the corresponding recesses.During use, in ball grinder housing 16, put into powder and micron, nano suspending liquid, abrading-ball and additional ball-milling medium (identical with medium with nano suspending liquid), sealing gasket 15 is placed ball grinder housing 16 and ball grinder end cap 14 junctions, cover ball grinder end cap 14, the ball grinder that assembles is installed in the ball grinder mounting seat 20 on the ball mill and uses 19 clampings of ball grinder clamping device to get final product.
Below be to adopt ball grinder of the present invention to prepare the example of micro-nano composite granule, but be not limited only to these examples, for little, the nano-powder of different size (composition, kind, particle diameter etc.), all can reach purpose of the present invention as long as adopt ball grinder of the present invention and set corresponding ball milling parameter.
Comparative Examples 1: powder and micron is that average grain diameter is the Al-Si alloyed powder of 50 μ m, and nano powder is that average grain diameter is the Al of 20nm 2O 3Ceramic powder; Earlier with Al 2O 3Ceramic powder places absolute ethyl alcohol to make nano suspending liquid (being rendered as white slurry), adds in the conventional ball grinder according to 2% of powder and micron mass fraction, adds absolute ethyl alcohol to ball grinder 2/3 place, set the ball milling parameter carry out little, the powder of receiving is compound.After ball milling was compound, ball grinder liquid medium at the middle and upper levels was white, calculated nanometer Al after the extraction supernatant liquid medium drying 2O 3The ceramic powder effective rate of utilization is about 25%, can't take out tank base deposition powder with the absolute ethyl alcohol flushing, further uses the steel spoon to take out.
Embodiment 2: powder and micron is that average grain diameter is the Al-Si alloyed powder of 50 μ m, and nano powder is that average grain diameter is the Al of 20nm 2O 3Ceramic powder; Earlier with Al 2O 3Ceramic powder places absolute ethyl alcohol to make nano suspending liquid (being rendered as white slurry), adds in the ball grinder of the present invention according to 2% of powder and micron mass fraction, adds absolute ethyl alcohol to ball grinder 2/3 place, set the ball milling parameter carry out little, the powder of receiving is compound.After ball milling was compound, ball grinder white liquid medium color at the middle and upper levels calculated nanometer Al obviously than shallow in the Comparative Examples 1 after the extraction supernatant liquid medium drying 2O 3The ceramic powder effective rate of utilization is about 72%, and tank base only has a small amount of powder deposition, the deposition powder can be taken out with a small amount of absolute ethyl alcohol flushing.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.

Claims (8)

1. preparation micro-nano composite granule ball grinder that has agitating function, comprise ball grinder housing (16) and ball grinder end cap (14), ball grinder housing (16) and ball grinder end cap (14) form a cavity that is used for placing abrading-ball and micro-nano composite granule, the bottom that it is characterized in that described ball grinder housing (16) is installed on the base shell (2), impeller chimney (13) is installed on the inner bottom part of ball grinder housing (16), the agitator arm (11) that is arranged in impeller chimney (13) is directly installed on the output shaft of motor (4) of the sealing shroud (8) that passes ball grinder housing (16) bottom centre, motor (4) is installed in the installation cavity of being made up of base shell (2) and ball grinder housing (16) outer bottom, is installed in the described installation cavity for motor (4) provides the battery (5) of power.
2. the preparation micro-nano composite granule ball grinder that has agitating function according to claim 1 is characterized in that described battery (5) is annular rechargeable battery, and motor (4) is positioned in the middle of the described annular rechargeable battery; The outer bottom of described ball grinder housing (16) is provided with a boss structure, and this boss structure is pressed on the described annular rechargeable battery.
3. the preparation micro-nano composite granule ball grinder that has agitating function according to claim 1, it is characterized in that described agitator arm (11) is installed on the paddle wheel shaft, the paddle wheel shaft links to each other with the output shaft of the motor that passes ball grinder housing (16) (4).
4. the preparation micro-nano composite granule ball grinder that has agitating function according to claim 1 is characterized in that described agitator arm (11) for having the blade wheel structure of three uniform blades, and each blade is structure twist.
5. the preparation micro-nano composite granule ball grinder that has agitating function according to claim 1 is characterized in that the top of described impeller chimney (13) and is surrounded by the wire netting of hollow out all around.
6. the preparation micro-nano composite granule ball grinder that has agitating function according to claim 1, it is characterized in that being evenly equipped with protruding key on described ball grinder housing (16) the outer bottom circumference, described base shell (2) relative position place is provided with the groove that matches, described protruding key inserts in the described groove, and the quantity of described protruding key is at least three.
7. the preparation micro-nano composite granule ball grinder that has agitating function according to claim 1, the sealing shroud (8) that it is characterized in that described ball grinder housing (16) bottom centre is contained in ball grinder housing (16) bottom by interference fit, have two seal grooves on the sealing shroud (8), a L shaped sealing ring (9) and an O-ring seals (10) all are housed in each seal groove.
8. the preparation micro-nano composite granule ball grinder that has agitating function according to claim 1 is characterized in that described base shell (2) is installed on the workbench of vertical-type planetary ball mill.
CN 201210131290 2012-05-02 2012-05-02 Ball milling pot with agitation function for preparing micro-nano composite powder Active CN102632243B (en)

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CN103008654B (en) * 2013-01-08 2014-08-27 江苏大学 Carbon black and ceramic double-phase nanometer composite slurry for preparing metal-based micro-nano powder and preparation method thereof
CN103056353B (en) * 2013-01-08 2014-11-26 江苏大学 Carbon black and lanthanum oxide dual-phase nanometer composite paste for manufacturing metal-base micro-nano powder and method for manufacturing carbon black and lanthanum oxide dual-phase nanometer composite paste
CN103008650B (en) * 2013-01-08 2014-12-31 江苏大学 Carbon black reinforced metal-based micro-nano powder with high light absorbing property and preparation method thereof
CN105665084A (en) * 2016-01-29 2016-06-15 长沙米淇仪器设备有限公司 Large-radian-fillet powder grinding tank
DE102019126162A1 (en) * 2019-01-16 2020-07-16 Retsch Gmbh Ball mill

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CN2164316Y (en) * 1993-06-22 1994-05-11 胡宣哲 Stirring ball grinding machine
JPH11169734A (en) * 1997-12-10 1999-06-29 Oki Electric Ind Co Ltd Milling container for ball milling apparatus, milling container structure body, ball milling apparatus, and method for milling powder using ball milling apparatus
CN2539015Y (en) * 2002-04-29 2003-03-05 南京大学仪器厂 Planetary gear ball mill
CN100453212C (en) * 2007-07-17 2009-01-21 南京航空航天大学 Mechanical process of preparing composite nanometer ceramic and micron metal powder
CN102266945A (en) * 2011-08-20 2011-12-07 陈登刚 Ball-milling process and device for iron-based alloy powder

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Effective date of registration: 20170123

Address after: No. 23 Century Avenue, Kowloon town Hailing District 225312 Jiangsu city of Taizhou Province

Patentee after: TAIZHOU KANGQIAN MECHANICAL MANUFACTURE CO., LTD.

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Patentee before: Jiangsu Univ.