CN201320720Y - Ring-belt rotary type magnetorheological finishing head - Google Patents
Ring-belt rotary type magnetorheological finishing head Download PDFInfo
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- CN201320720Y CN201320720Y CNU2008202283378U CN200820228337U CN201320720Y CN 201320720 Y CN201320720 Y CN 201320720Y CN U2008202283378 U CNU2008202283378 U CN U2008202283378U CN 200820228337 U CN200820228337 U CN 200820228337U CN 201320720 Y CN201320720 Y CN 201320720Y
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Abstract
The utility model relates to a ring-belt rotary type magnetorheological finishing head. In the existing magnetorheological finishing technology, the relative movement of the workpiece and the Bingham body is nothing more than point contact abrasive finishing and surface contact abrasive finishing; however in current machining equipments, the required precision for adjusting the workpiece position is very high, the control mechanism is complex, the machining error is easy to occur, and the efficiency is not high. For overcoming the defects, the utility model provides a ring-belt rotary type magnetorheological finishing head, which comprises a rotating shaft and a working slot, also comprises a follow-up rotating component and a fixed component which are respectively sleeved at the upper part and lower part of the rotating shaft; and the ring-belt rotary type magnetorheological finishing head is produced by the combination of the follow-up rotating component and the fixed component. The utility model not only has simple structure, but also the magnetorheological finishing head can realize autorotation; moreover, when realizing rotation of the grinding head, the surface contact machining is realized, the machining efficiency is high, and the machining quality of the optical elements can be improved.
Description
Technical field:
The utility model belongs to optical element precision processing technology field, relates to the rubbing head in a kind of magnetorheological process equipment, is meant a kind of endless belt revolving type magnetic rheologic rubbing head especially.
Background technology:
Technique of Magnetorheological Finishing is to utilize the rheological characteristic of magnetic flow liquid in magnetic field to polish, one of magnetic flow liquid formation has visco-plasticity Ben-Hur projection in gradient magnetic, when Bingham body contacts with processed optical element surface and produces relative motion, produce shearing force at surface of the work, realize polishing by adding a spot of polish abrasive.
In disclosed Technique of Magnetorheological Finishing, there is variety of way to produce the relative motion of workpiece and Bingham body, thereby realizes magnetorheological polishing, as:
Chinese patent ZL96198445.7 is disclosed to be the magnetic rheological polishing method of U.S. Luo Qiesiji university invention, it is the wheel surface that magnetic flow liquid is placed a rotation, drive magnetic flow liquid in magnetic field, there is certain clearance in workpiece and magnetic field, magnetic flow liquid is magnetized by this gap the time, forms to be similar to a some contact machining tool that contact-making surface is very little; In polishing process, magnetorheological machining tool position is to immobilize, and drives the shearing force realization polishing that flowing of magnetic flow liquid produces by swiveling wheel;
Chinese patent ZL03124557.9 also discloses another and has utilized the method for magnetorheological polishing, the rheological characteristic of controlling magnetic flow liquid by the movement position and the nozzle surrounding magnetic field size in control workpiece space, realize optical element quantitatively processing really, this method is that the jet-action by magnetic flow liquid produces shearing force and realizes polishing;
The magnetorheological rubbing head of the also disclosed a kind of electromagnetic mode of Chinese patent CN12116723C, in realizing magnetorheological process, need the rotation and the revolution of control rubbing head, and combining with digital control three-dimensional grinding machine is realized processing, the rotation that is characterized in rubbing head produces shearing force, but is the processing of some contact in the process that realizes optical elements such as sphere.
In above-mentioned three kinds of magnetic rheological polishing methods, it all is the mode of similarity contact grinding and polishing, requirement is carried out strict control adjustment to the position of part or the position of magnetorheological rubbing head, thereby realize processing, the required precision that requires part position to adjust like this is very high, the controlling organization complexity causes mismachining tolerance easily, and the efficient of magnetorheological polishing is not very high.
And in disclosed magnetic rheologic flexible, fine grinding, polishing equipment of Chinese patent CN1872495A and method, it provides a kind of magnetorheological rubbing head of face contact type, near internal magnetic pole end face after the energising Magnetorheologicai polishing liquid is magnetized, form ring-band shape flexible, fine grinding polishing abrasive tool, can realize flexibility, plasticity and versatility processing, yet, magnetorheological polishing fixed-site is motionless in this method, make the shearing force that in process, forms not enough, influenced the efficient of magnetorheological processing, and add man-hour in the uniformity that realizes whole optics part processing face, require the motion mode of part comparatively complicated, make the structure complicated of whole magnetorheological polissoir.
Summary of the invention:
The purpose of this utility model is to provide a kind of endless belt revolving type magnetic rheologic polishing, to overcome the low and device structure complicated problems of working (machining) efficiency that prior art exists.
For achieving the above object, the technical scheme that the utility model adopted is: a kind of endless belt revolving type magnetic rheologic rubbing head, comprise rotating shaft and work nest, its special character is: also comprise the servo-actuated rotary components and the fixation kit that are sheathed on the rotating shaft upper and lower respectively, described servo-actuated rotary components is by outer magnetic pole, waterproof apron, internal magnetic pole, contiguous block and work nest constitute, wherein the bottom of internal magnetic pole is fixedly linked in the top of rotating shaft, the contiguous block fixed cage is in the step place on rotating shaft top, outer magnetic pole is fixed in the outside of contiguous block, the annular upper end face tilt of outer magnetic pole forms the liquid storage face toward the outer side, the top of contiguous block, be provided with the waterproof apron of ring-type between internal magnetic pole and the outer magnetic pole, the bottom of work nest plugs the outside of being fixed in outer magnetic pole, the bottom of liquid storage face; Described fixation kit by solenoid, magnetic core, bearing, rotating shaft, bearing fixing pressing plate and not magnetic conductive board form, described magnetic core is the uncovered tubbiness, bottom centre is porose and connect with rotating shaft by bearing, be equipped with the solenoid that is fixedly connected with it in the magnetic core inboard, the bottom outside of magnetic core is set with not magnetic conductive board; Described outer magnetic pole, internal magnetic pole, magnetic core, rotating shaft and bearing fixing pressing plate are soft magnetic materials, described waterproof apron, contiguous block, work nest, branch sleeve and not magnetic conductive board be non-magnet_conductible material.
The bottom of above-mentioned internal magnetic pole is embedded at the upper end of rotating shaft.
The arranged outside of above-mentioned outer magnetic pole and magnetic core has bucker.
Above-mentioned bucker is fixedly set in the bottom of work nest.
The bottom of above-mentioned rotating shaft is provided with syndeton.This syndeton is used for being connected of magnetorheological rubbing head and magnetorheological polissoir.
The utility model is simple in structure, and the magnetorheological rubbing head that provides can be realized rotation, produce relative motion by rotation and workpiece, and then realize magnetorheological polishing, and when realizing the bistrique rotation, can be so that workpiece and bistrique produce relative motion, can realize face contact type processing, thereby realize magnetorheological processing at a high speed, the working (machining) efficiency height makes the crudy of optical element improve simultaneously.
Description of drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model work schematic diagram;
The Bingham body structural representation that forms in the work of Fig. 3 the utility model.
Wherein: 1-outer magnetic pole, 2-waterproof apron, 3-internal magnetic pole, 4-contiguous block, 5-work nest, 6-holding screw, 7-solenoid, 8-magnetic core, 9-bucker, 10-bearing, 11-branch sleeve, 12-rotating shaft, 13-bearing fixing pressing plate, 14-plain screw, 15-be magnetic conductive board, 16-polishing fluid, 17-workpiece spindle, 18-liquid storage face not.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is done and to be described in detail.
Referring to Fig. 1, a kind of endless belt revolving type magnetic rheologic rubbing head comprises rotating shaft 12, also comprises the servo-actuated rotary components and the fixation kit that are sheathed on rotating shaft 12 upper and lowers respectively.Described servo-actuated rotary components is by outer magnetic pole 1, waterproof apron 2, internal magnetic pole 3, contiguous block 4 and work nest 5 constitute, wherein the bottom of internal magnetic pole 3 is embedded the top that is fixedly linked in rotating shaft 12, contiguous block 4 fixed cages are in the step place on rotating shaft 12 tops, outer magnetic pole 1 is fixed in the outside of contiguous block 4 by holding screw 6, the annular upper end face tilt of outer magnetic pole 1 forms liquid storage face 18 toward the outer side, the top of contiguous block 4, be provided with the waterproof apron 2 of ring-type between internal magnetic pole 3 and the outer magnetic pole 1, the bottom of work nest 5 plugs the outside of being fixed in outer magnetic pole 1, the bottom of liquid storage face 18; Described fixation kit by solenoid 7, magnetic core 8, bearing 10, rotating shaft 12, bearing fixing pressing plate 13 and not magnetic conductive board 15 form, described magnetic core 8 is uncovered tubbiness, bottom centre is porose and connect with rotating shaft 12 by bearing 10, be equipped with the solenoid 7 that is fixedly connected with it in magnetic core 8 inboards, the bottom outside of magnetic core 8 is by plain screw 14 fixing not magnetic conductive boards 15; Wherein outer magnetic pole 1, internal magnetic pole 3, magnetic core 8, rotating shaft 12 and bearing fixing pressing plate 13 are soft magnetic materials, waterproof apron 2, contiguous block 4, work nest 5, branch sleeve 11 and not magnetic conductive board 15 be non-magnet_conductible material.The arranged outside of said outer magnetic pole 1 and magnetic core 8 has bucker 9, and this bucker 9 is fixedly set in the bottom of work nest 5.Bottom at rotating shaft 12 also is provided with syndeton, and said draw bail is branch sleeve 11 in the present embodiment.
Referring to Fig. 2, during work, at first in work nest 5, put into Magnetorheologicai polishing liquid 16, after giving solenoid 7 power supplies, will produce the bigger gradient magnetic of magnetic field intensity in the position of the minimum clearance of outer magnetic pole 1 and internal magnetic pole 3, thereby form the Bingham body of ring-band shape, rotate by driven by motor rotating shaft 12 then, internal magnetic pole 3 and outer magnetic pole 1 rotating shaft 12 rotate together, and then the Bingham body that drives ring-band shape rotates, simultaneously workpiece spindle 17 is driven by motion and swings and rotation, and then makes and form relative motion between workpiece and the ring-band shape Bingham body, and the generation shearing force realizes magnetorheological polishing.
Referring to Fig. 3, the magnetorheological rubbing head power supply of the utility model back forms Bingham body figure, and as can be seen from Figure 3, this magnetorheological rubbing head is after power supply, and the Bingham body of formation is a ring-band shape, can the contact of realization face in process.
Claims (5)
1, a kind of endless belt revolving type magnetic rheologic rubbing head, comprise rotating shaft (12) and work nest (5), it is characterized in that: also comprise the servo-actuated rotary components and the fixation kit that are sheathed on rotating shaft (12) upper and lower respectively, described servo-actuated rotary components is by outer magnetic pole (1), waterproof apron (2), internal magnetic pole (3), contiguous block (4) and work nest (5) constitute, wherein the bottom of internal magnetic pole (3) is fixedly linked in the top of rotating shaft (12), contiguous block (4) fixed cage is in the step place on rotating shaft (12) top, outer magnetic pole (1) is fixed in the outside of contiguous block (4), the annular upper end face tilt of outer magnetic pole (1) forms liquid storage face (18) toward the outer side, the top of contiguous block (4), be provided with the waterproof apron (2) of ring-type between internal magnetic pole (3) and the outer magnetic pole (1), the bottom of work nest (5) plugs the outside of being fixed in outer magnetic pole (1), the bottom of liquid storage face (18); Described fixation kit by solenoid (7), magnetic core (8), bearing (10), rotating shaft (12), bearing fixing pressing plate (13) and not magnetic conductive board (15) form, described magnetic core (8) is the uncovered tubbiness, bottom centre is porose and connect with rotating shaft (12) by bearing (10), be equipped with the solenoid (7) that is fixedly connected with it in magnetic core (8) inboard, the bottom outside of magnetic core (8) is set with not magnetic conductive board (15).
2, a kind of endless belt revolving type magnetic rheologic rubbing head according to claim 1, it is characterized in that: the bottom of internal magnetic pole (3) is embedded at the upper end of rotating shaft (12).
3, a kind of endless belt revolving type magnetic rheologic rubbing head according to claim 1, it is characterized in that: the arranged outside of outer magnetic pole (1) and magnetic core (8) has bucker (9).
4, a kind of endless belt revolving type magnetic rheologic rubbing head according to claim 3, it is characterized in that: bucker (9) is fixedly set in the bottom of work nest (5).
5, a kind of endless belt revolving type magnetic rheologic rubbing head according to claim 1 and 2, it is characterized in that: the bottom of rotating shaft (12) is provided with syndeton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202283378U CN201320720Y (en) | 2008-12-22 | 2008-12-22 | Ring-belt rotary type magnetorheological finishing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202283378U CN201320720Y (en) | 2008-12-22 | 2008-12-22 | Ring-belt rotary type magnetorheological finishing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201320720Y true CN201320720Y (en) | 2009-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202283378U Expired - Fee Related CN201320720Y (en) | 2008-12-22 | 2008-12-22 | Ring-belt rotary type magnetorheological finishing head |
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| CN (1) | CN201320720Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972996A (en) * | 2010-07-13 | 2011-02-16 | 厦门大学 | Polishing wheel of small grinding head of controllable alternating magnetic field |
| CN103612195A (en) * | 2013-12-09 | 2014-03-05 | 湖南大学 | Magnetic abrasive finishing processing method and device of toroidal magnetic field excitation |
| CN103801991A (en) * | 2012-11-12 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Free-form surface grinding device |
| CN104308672A (en) * | 2014-10-27 | 2015-01-28 | 白素华 | Rotary magnetorheological finishing wheel device |
| CN106425704A (en) * | 2016-12-07 | 2017-02-22 | 深圳市智博高科光电装备有限公司 | Magnetorheological polishing grinding wheel device adopting open magnetic field |
| CN108857599A (en) * | 2018-07-18 | 2018-11-23 | 东北大学 | A kind of vertical magnetorheological finishing device and method |
| CN109396969A (en) * | 2018-12-20 | 2019-03-01 | 中国人民解放军国防科技大学 | Totally-enclosed expansion type magnetorheological polishing equipment |
| CN109848758A (en) * | 2018-12-05 | 2019-06-07 | 中国科学院长春光学精密机械与物理研究所 | Electromagnetic type semiconductor chip thining method and device based on linear motor platform |
-
2008
- 2008-12-22 CN CNU2008202283378U patent/CN201320720Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972996A (en) * | 2010-07-13 | 2011-02-16 | 厦门大学 | Polishing wheel of small grinding head of controllable alternating magnetic field |
| CN103801991A (en) * | 2012-11-12 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Free-form surface grinding device |
| CN103612195A (en) * | 2013-12-09 | 2014-03-05 | 湖南大学 | Magnetic abrasive finishing processing method and device of toroidal magnetic field excitation |
| CN103612195B (en) * | 2013-12-09 | 2015-10-21 | 湖南大学 | The magnetic abrasive finishing method of a kind of toroidal magnetic field excitation and device |
| CN104308672A (en) * | 2014-10-27 | 2015-01-28 | 白素华 | Rotary magnetorheological finishing wheel device |
| CN106425704A (en) * | 2016-12-07 | 2017-02-22 | 深圳市智博高科光电装备有限公司 | Magnetorheological polishing grinding wheel device adopting open magnetic field |
| CN106425704B (en) * | 2016-12-07 | 2018-11-02 | 深圳市智博高科光电装备有限公司 | The Magnetorheological Polishing grinding wheel device in open magnetic field |
| CN108857599A (en) * | 2018-07-18 | 2018-11-23 | 东北大学 | A kind of vertical magnetorheological finishing device and method |
| CN109848758A (en) * | 2018-12-05 | 2019-06-07 | 中国科学院长春光学精密机械与物理研究所 | Electromagnetic type semiconductor chip thining method and device based on linear motor platform |
| CN109848758B (en) * | 2018-12-05 | 2020-10-13 | 中国科学院长春光学精密机械与物理研究所 | Electromagnetic type semiconductor substrate thinning method and device based on linear motor platform |
| CN109396969A (en) * | 2018-12-20 | 2019-03-01 | 中国人民解放军国防科技大学 | Totally-enclosed expansion type magnetorheological polishing equipment |
| CN109396969B (en) * | 2018-12-20 | 2019-11-15 | 中国人民解放军国防科技大学 | Totally-enclosed expansion type magnetorheological polishing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20161222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |