CN103111917B - The efficient magnetorheological grinding and polishing device that a kind of magnetic circuit break-make is controlled - Google Patents
The efficient magnetorheological grinding and polishing device that a kind of magnetic circuit break-make is controlled Download PDFInfo
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- CN103111917B CN103111917B CN201310031043.1A CN201310031043A CN103111917B CN 103111917 B CN103111917 B CN 103111917B CN 201310031043 A CN201310031043 A CN 201310031043A CN 103111917 B CN103111917 B CN 103111917B
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Abstract
The efficient magnetorheological grinding and polishing device that a kind of magnetic circuit break-make is controlled, relate to optics and manufacture Ultraprecision Machining field, based on Technique of Magnetorheological Finishing, provide one simple and practical, working (machining) efficiency is high, the efficient magnetorheological grinding and polishing device upgraded to realize magnetic flow liquid circulation by magnetic circuit break-make.The controlled efficient magnetorheological grinding and polishing device of this magnetic circuit break-make comprises buncher, magnetic flow liquid, polishing sleeve and excitation unit, buncher comprises fixed axis and hollow shaft, hollow shaft is with being located in fixed axis outside, excitation unit and magnetic patch outer, coaxial is provided with two fixed blocks, hollow shaft is located at by polishing sleeve and fixed block is outside, polishing upper cartridge is connected with hollow shaft outer surface, bottom is connected with fixed block outer surface, is embedded with two symmetrical gear magnetic patch between two fixed blocks.The invention provides the efficient magnetorheological grinding and polishing device that a kind of structure is simple, polishing efficiency is high, upgraded to realize magnetic flow liquid circulation by magnetic circuit break-make.
Description
Technical field
The present invention relates to optics and manufacture Ultraprecision Machining field, be specifically related to a kind of efficient magnetorheological grinding and polishing device upgraded to realize magnetic flow liquid circulation by magnetic circuit break-make.
Background technology
Along with developing rapidly of photoelectric communication, optics, automobile, bioengineering and aerospace industries, the demand sharp increase of ultraprecise optical element.This kind of optical element and mold materials belong to super hard and brittle materials substantially, and require that these elements have the form accuracy of submicron order, nano level surface roughness and minimum sub-surface damage.
Magnetorheological processing can obtain high-precision surface, because the size of the yield stress of magnetic flow liquid under solid phase can be regulated by controlling magnetic field size, be conducive to like this producing micro mechanics effect, can realize carrying out nanoscale and micron-sized removal to material, obtain higher surface roughness.Meanwhile, because burnishing device end is flexible polished die, the damage on surface and surface, Asia can not be produced finished surface, adopt this kind of processing mode just can obtain higher machined surface quality.
Summary of the invention
The invention provides the efficient magnetorheological grinding and polishing device that a kind of structure is simple, polishing efficiency is high magnetic circuit break-make is controlled.
The present invention is achieved through the following technical solutions:
The efficient magnetorheological grinding and polishing device that a kind of magnetic circuit break-make is controlled, for grinding and polishing workpiece, comprise buncher, magnetic flow liquid, polishing sleeve and excitation unit, described buncher is provided with fixed axis and hollow shaft, described fixed axis and hollow shaft are coaxially arranged, and it is outside that described hollow shaft is located at described fixed axis, described excitation unit is socketed on described fixed axis lower end, be provided with below described excitation unit every magnetic patch, described excitation unit and be provided with coaxial two fixed blocks arranged every magnetic patch outside, described hollow shaft is located at by described polishing sleeve and fixed block is outside, described polishing upper cartridge is connected with described hollow shaft outer surface, bottom is connected with described fixed block outer surface, two symmetrical gear magnetic patch are embedded with between described two fixed blocks, described magnetic flow liquid is located between described workpiece and described polishing sleeve lower surface.
The inner surface of described polishing upper cartridge is connected by the outer surface of screw thread with described hollow shaft.
The outer surface of described fixed block is connected with the outer surface every magnetic patch respectively by the inner surface of glue layer with described polishing lower cartridge with inner surface.
Described fixed axis bottom is connected with described excitation unit by screw thread.
The lower surface of described polishing sleeve be plane or taper seat time, described fixed block and the side every magnetic patch are taper seat, when the lower surface of described polishing sleeve is sphere, described fixed block and every magnetic patch side be sphere.
Described excitation unit can take permanent magnetic field or electromagnetic field.
Described every magnetic patch adopt stainless steel material make.
Described fixed block adopts pure iron to make.
Described gear magnetic patch adopts brass to make.
Described fixed axis adopts aluminium alloy to make.
The beneficial effect that the present invention brings is:
1. magnetic circuit break-make is controlled.Magnetic flow liquid renewal capable of circulation, described polishing sleeve and described workpiece rightabout rotate, and excitation unit non rotating makes the relative position of polishing sleeve and excitation unit change, form the cyclic switching of magnetic circuit UNICOM and partition, upgrade with the circulation realizing magnetic flow liquid.
2. a contact processing mode.Different from the past traditional processing mode, the polishing mode of described grinding and polishing device bottom and workpiece forming surface contact, makes polishing efficiency be improved.
3. the range of work is wide.The lower surface of described polishing sleeve is set to the shapes such as plane, taper seat, sphere or aspheric surface, just can carries out ultraprecise MRF processing to these difform parts.
4. strong adaptability.Can be arranged on Ordinary lathe, be easy to operation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the structural representation of controlled efficient magnetorheological grinding and polishing device first embodiment of magnetic circuit break-make of the present invention;
Fig. 2 is the circular chart of the controlled efficient magnetorheological grinding and polishing device of magnetic circuit break-make of the present invention;
Fig. 3 is the structural representation of controlled efficient magnetorheological grinding and polishing device second embodiment of magnetic circuit break-make of the present invention;
Fig. 4 is the structural representation of controlled efficient magnetorheological grinding and polishing device the 3rd embodiment of magnetic circuit break-make of the present invention.
The label that in figure, component names is corresponding is as follows:
1, buncher; 2, fixed axis; 3, glue layer; 4, magnetic flow liquid; 5, workpiece; 6, nozzle; 7, fixed block; 8, every magnetic patch; 9, excitation unit; 10, polishing sleeve; 11, hollow shaft; 12, magnetic patch is kept off.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail:
Embodiment one:
As the embodiment of the controlled efficient magnetorheological grinding and polishing device of magnetic circuit break-make of the present invention, as depicted in figs. 1 and 2, for grinding and polishing workpiece 5, comprise buncher 1, magnetic flow liquid 4, polishing sleeve 10 and excitation unit 9, described buncher 1 is provided with fixed axis 2 and hollow shaft 11, described fixed axis 2 is coaxially arranged with hollow shaft 11, and it is outside that described hollow shaft 11 is located at described fixed axis 2, described excitation unit 9 is socketed on described fixed axis 2 lower end, be provided with below described excitation unit 9 every magnetic patch 8, described excitation unit 9 and be provided with coaxial two fixed blocks 7 arranged every magnetic patch 8 outside, described hollow shaft 11 is located at by described polishing sleeve 10 and fixed block 7 is outside, described polishing sleeve 10 top is connected with described hollow shaft 11 outer surface, bottom is connected with described fixed block 7 outer surface, two symmetrical gear magnetic patch 12 are embedded with between described two fixed blocks 7, described magnetic flow liquid 4 is located between described workpiece 5 and described polishing sleeve 10 lower surface.
In the present embodiment, the inner surface on described polishing sleeve 10 top is connected by the outer surface of screw thread with described hollow shaft 11.And then it is minimum to ensure to add the rate of beating of polishing sleeve 10 described in man-hour.
In the present embodiment, the outer surface of described fixed block 7 is connected with the outer surface every magnetic patch 8 respectively by the inner surface of glue layer 3 with described polishing sleeve 10 bottom with inner surface.
In the present embodiment, described fixed axis 2 bottom is connected with described excitation unit 9 by screw thread.Ensure that, when described buncher 1 rotates, when fixed axis 2 is motionless, described excitation unit 9 is also motionless.
In the present embodiment, when the lower surface of described polishing sleeve 10 is plane, described fixed block 7 and the side every magnetic patch 8 are taper seat.
In the present embodiment, described excitation unit 9 takes permanent magnetic field or electromagnetic field.
In the present embodiment, describedly stainless steel material is adopted to make every magnetic patch 8.Describedly to make every magnetic patch 8 stainless steel, play the effect every magnetic.
In the present embodiment, described fixed block 7 adopts pure iron to make.Described fixed block 7 adopts pure iron to make, and plays the effect of guiding magnetic field.
In the present embodiment, described gear magnetic patch 12 adopts brass to make.Described gear magnetic patch 12 adopts brass to make, and plays the effect blocking magnetic field UNICOM.
In the present embodiment, described fixed axis 2 adopts aluminium alloy to make.Described fixed axis 2 adopts aluminium alloy to make, and plays and eliminates magnetic field to the impact of buncher 1.
By workpiece 5 clamping on common precision finishing machine, grinding and polishing device is arranged on precision machine tool simultaneously, adjusts the gap between grinding and polishing device and workpiece 5, by nozzle 6 alignment gap place, described buncher 1 is for regulating the speed of polishing, and when buncher 1 rotates, fixed axis 2 does not turn, and hollow shaft 11 is rotated, described excitation unit 9 and fixed block 7 and every a magnetic patch 8 composition dynamic yoke jointly, excitation unit 9 and fixed block 7 and between magnetic patch 8, adopt the connected mode of similar sliding bearing, reduce the friction produced when mutually moving between three, owing to adopting yoke form, effectively required polishing area can be guided to by fixed block 7 in the magnetic field that excitation unit 9 produces on the one hand, the shape of magnetic line of force formation required for polishing area can be made on the other hand, pass through every magnetic patch 8 separated magnetic effects between two fixed blocks 7 in left and right, certain leakage field is just defined between such two pieces of fixed blocks 7, form gradient magnetic by leakage field effect, controlled the size and shape of magnetorheological ribbon by the size and shape controlling gradient magnetic, magnetic flow liquid 4 is sprayed by a nozzle 6, it is made to be attached between polishing sleeve 10 and workpiece 5, the other end reclaims the magnetic flow liquid 4 after circulation renewal by another nozzle 6, control the flow velocity of two nozzles 6, in time forwarding the position of Fig. 2 (b) to, because gear magnetic patch 12 does not possess magnetic conductivity, so cannot yoke be formed, magnetic flow liquid 4 cannot form polishing ribbon, polishing action is not possessed when this position, now magnetic flow liquid 4 becomes the liquid that can flow, when being in Fig. 2 (a) or Fig. 2 (c), magnetic flow liquid 4 gathering again, define new ribbon, then magnetic flow liquid 4 obtains circulation renewal.
Embodiment two:
As the embodiment that automatically can change the magnetorheological grinding and polishing device of magnetic flow liquid of the present invention, as shown in Figure 3, described excitation unit 9 also can take electromagnetic field; When the lower surface of described polishing sleeve 10 is taper seat, described fixed block 7 and the side every magnetic patch 8 are taper seat.
In the present embodiment, all the other structures and beneficial effect are all consistent with embodiment one, repeat no longer one by one here.
Embodiment three:
As the embodiment that automatically can change the magnetorheological grinding and polishing device of magnetic flow liquid of the present invention, as shown in Figure 4, when the lower surface of described polishing sleeve 10 is sphere, described fixed block 7 and every magnetic patch 8 side be sphere.
In the present embodiment, all the other structures and beneficial effect are all consistent with embodiment one, repeat no longer one by one here.
Claims (1)
1. the efficient magnetorheological grinding and polishing device that a magnetic circuit break-make is controlled, for grinding and polishing workpiece, it is characterized in that comprising buncher, magnetic flow liquid, polishing sleeve and excitation unit, described buncher is provided with fixed axis and hollow shaft, described fixed axis and hollow shaft are coaxially arranged, and it is outside that described hollow shaft is located at described fixed axis, described excitation unit is socketed on described fixed axis lower end, be provided with below described excitation unit every magnetic patch, described excitation unit and be provided with coaxial two fixed blocks arranged every magnetic patch outside, described hollow shaft is located at by described polishing sleeve and fixed block is outside, described polishing upper cartridge is connected with described hollow shaft outer surface, bottom is connected with described fixed block outer surface, two symmetrical gear magnetic patch are embedded with between described two fixed blocks, described magnetic flow liquid is located between described workpiece and described polishing sleeve lower surface,
The inner surface of described polishing upper cartridge is connected by the outer surface of screw thread with described hollow shaft;
The outer surface of described fixed block is connected with the outer surface every magnetic patch respectively by the inner surface of glue layer with described polishing lower cartridge with inner surface;
Described fixed axis bottom is connected with described excitation unit by screw thread;
The lower surface of described polishing sleeve be plane or taper seat time, described fixed block and the side every magnetic patch are taper seat, when the lower surface of described polishing sleeve is sphere, described fixed block and every magnetic patch side be sphere;
Described excitation unit can take permanent magnetic field or electromagnetic field;
Described every magnetic patch adopt stainless steel material make;
Described fixed block adopts pure iron to make;
Described gear magnetic patch adopts brass to make;
Described fixed axis adopts aluminium alloy to make.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310031043.1A CN103111917B (en) | 2013-01-28 | 2013-01-28 | The efficient magnetorheological grinding and polishing device that a kind of magnetic circuit break-make is controlled |
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| CN201310031043.1A CN103111917B (en) | 2013-01-28 | 2013-01-28 | The efficient magnetorheological grinding and polishing device that a kind of magnetic circuit break-make is controlled |
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| CN103111917A CN103111917A (en) | 2013-05-22 |
| CN103111917B true CN103111917B (en) | 2015-11-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273385B (en) * | 2013-06-09 | 2015-05-27 | 湖南大学 | Surface contact magneto-rheological flat polishing device and method with uniform magnetic field |
| CN109396968B (en) * | 2018-12-20 | 2019-09-06 | 中国人民解放军国防科技大学 | Semi-closed extension formula magnetic current becomes burnishing device |
| CN111438567B (en) * | 2020-04-07 | 2021-02-05 | 台州学院 | A magnetorheological polishing knife |
| CN115592475A (en) * | 2022-10-28 | 2023-01-13 | 无锡市锡山区半导体先进制造创新中心（Cn） | A kind of magnetorheological polishing equipment |
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| US4821466A (en) * | 1987-02-09 | 1989-04-18 | Koji Kato | Method for grinding using a magnetic fluid and an apparatus thereof |
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| CN202684649U (en) * | 2012-06-19 | 2013-01-23 | 东莞市兰光光学科技有限公司 | Magneto-rheological polishing head |
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| TWI295219B (en) * | 2005-11-01 | 2008-04-01 | Nat Applied Res Laboratories | The device and method of lapping and polishing with multi composite controlled by magnetic controlled |
| US20080051008A1 (en) * | 2006-08-22 | 2008-02-28 | International Business Machines Corporation | Apparatus and method for chemical mechanical polishing with improved uniformity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4821466A (en) * | 1987-02-09 | 1989-04-18 | Koji Kato | Method for grinding using a magnetic fluid and an apparatus thereof |
| US6083839A (en) * | 1997-12-31 | 2000-07-04 | Intel Corporation | Unique chemical mechanical planarization approach which utilizes magnetic slurry for polish and magnetic fields for process control |
| CN1515809A (en) * | 2003-01-02 | 2004-07-28 | 玲 邱 | Electromagnetic rheopectic fluid piston component |
| CN1486821A (en) * | 2003-08-22 | 2004-04-07 | 清华大学 | Electromagnetic magnetorheological polishing head |
| CN1915591A (en) * | 2006-09-04 | 2007-02-21 | 厦门大学 | Polishing wheel with parameter adjustable type magnetic rheology |
| CN101564824A (en) * | 2009-06-05 | 2009-10-28 | 湖南大学 | Method and device for polishing magneto-rheological inclined shaft |
| CN202684649U (en) * | 2012-06-19 | 2013-01-23 | 东莞市兰光光学科技有限公司 | Magneto-rheological polishing head |
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Inventor after: Yin Shaohui Inventor after: Huang Shifan Inventor before: Yin Shaohui |
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Effective date of registration: 20170401 Address after: 311200 Hangzhou science and technology development center, No. 438 Jincheng Road, Xiaoshan District, Zhejiang, China, 707 Patentee after: Hangzhou Ming Ming Technology Co., Ltd. Address before: Jiaxing City, Zhejiang province 314001 Nanhu District Ling Gong Tang Road No. 3339 (Jiaxing city) building 2, room 111 Patentee before: Jiaxing Namei Precision Machinery Co., Ltd. |
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Effective date of registration: 20181219 Address after: 310000 New Street Science Park B509, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Laser Technology Co., Ltd. Sheng radium Address before: 311200 Southeast Science and Technology Research Center 707, 438 Jincheng Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Ming Ming Technology Co., Ltd. |
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Effective date of registration: 20210518 Address after: 310000 Shengzhong Village, Xinjie Street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU ZHIFAN LASER TECHNOLOGY Co.,Ltd. Address before: 310000 New Street Science Park B509, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU SENLAY LASER TECHNOLOGY Co.,Ltd. |
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