CN106985013A - Clustered MRF head - Google Patents
Clustered MRF head Download PDFInfo
- Publication number
- CN106985013A CN106985013A CN201710363460.4A CN201710363460A CN106985013A CN 106985013 A CN106985013 A CN 106985013A CN 201710363460 A CN201710363460 A CN 201710363460A CN 106985013 A CN106985013 A CN 106985013A
- Authority
- CN
- China
- Prior art keywords
- magnetic flow
- flow liquid
- liquid
- solid
- polishing
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
Abstract
The present invention relates to a kind of clustered MRF head, coil brace is circumferentially uniform along polishing head bracket, wound around coil on curved crossbeam in the middle of each coil brace, coil is simultaneously connected with extraneous power supply, magnetic field needed for being formed, provided with the solid ALT-CH alternate channel of a magnetic flow liquid between each two coil brace, MRF head is housed in the middle of the polishing head bracket, MRF head is provided with magnetic flow liquid shower nozzle, magnetic flow liquid shower nozzle is connected with magnetic flow liquid passage, the magnetic flow liquid flows into magnetic flow liquid shower nozzle by magnetic flow liquid passage, magnetic flow liquid is sprayed into magnetic flow liquid solid-liquid ALT-CH alternate channel by magnetic flow liquid shower nozzle, formed in coil electricity and be changed into solid formation surface polishing under required magnetic fields, for polishing optical element.The present invention is simple in construction, two groups of magnetic flow liquid solid-liquid ALT-CH alternate channels is alternatively formed surface polishing by changing power cycles, so as to realize uninterrupted polishing, increases the contact area of polishing area, to improve polishing efficiency.
Description
Technical field
The present invention relates to a kind of rubbing head, more particularly to a kind of clustered MRF polished for optical element
Head, belongs to optical element polishing technology field.
Background technology
Due to advanced science and technology fast-developing in recent years, especially to optical field, to some optical elements
The surface quality requirements more and more higher of surface roughness and some materials, therefore study a kind of high efficiency and high-precision optics member
Part processing method has important practical significance.MRF passes through magnetic as a kind of new method for manufacturing optical element
Field makes the rheological property of the magnetic rheological liquid between rubbing head and workpiece surface change, and is connect in workpiece surface with magnetic flow liquid
Touch region and produce larger shear stress, so that workpiece surface material is removed.Conventional MRF mainly uses work
Point between part and rubbing head, which is contacted, realizes that the polishing of material is removed, therefore efficiency receives certain limitation, in order to further
Optical glass MRF efficiency is improved, it is necessary to a kind of clustered MRF head be designed, for increasing considerably polishing
The contact area in region, to improve polishing efficiency.
The content of the invention
Can be with there is provided one kind it is an object of the invention to remove the small technological deficiency of area for conventional MRF head
Realize the clustered MRF head of face contact polishing.
To achieve these goals, the technical scheme is that：A kind of clustered MRF head, including coil branch
Frame, coil, magnetic flow liquid shower nozzle, polishing head bracket, magnetic flow liquid passage, magnetic flow liquid solid-liquid ALT-CH alternate channel, magnetic flow liquid, light
Element is learned, the coil brace is circumferentially uniform along polishing head bracket, wound around coil on the curved crossbeam in the middle of each coil brace,
Coil is simultaneously connected with extraneous power supply, the magnetic field needed for being formed, and is changed admittedly provided with a magnetic flow liquid between each two coil brace logical
MRF head is housed, MRF head is provided with magnetic flow liquid shower nozzle, magnetic flow liquid in the middle of road, the polishing head bracket
Shower nozzle is connected with magnetic flow liquid passage, and the magnetic flow liquid flows into magnetic flow liquid shower nozzle by magnetic flow liquid passage, by magnetorheological
Magnetic flow liquid is sprayed to magnetic flow liquid solid-liquid ALT-CH alternate channel by liquid shower nozzle, is formed in coil electricity and is changed into solid under required magnetic fields
Body formation surface polishing, for polishing optical element.
Eight coil braces are evenly equipped with the polishing head bracket, each coil brace passes through soket head cap screw and rubbing head
Support is fixedly connected.
The MRF head is provided with eight magnetic flow liquid shower nozzles, and eight magnetic flow liquid shower nozzles correspond to eight magnetic respectively
Rheology liquid solid-liquid ALT-CH alternate channel, eight magnetic flow liquid solid-liquid ALT-CH alternate channels are divided into two groups, and every group includes four magnetic flow liquid solid-liquids
ALT-CH alternate channel, the coil electricity by one group of magnetic flow liquid solid-liquid ALT-CH alternate channel when forming required magnetic field, passes through the magnetic of the group
The magnetic flow liquid of rheology liquid solid-liquid ALT-CH alternate channel is changed into solid formation surface polishing, and passes through another group of magnetic flow liquid solid-liquid
Coil blackout by ALT-CH alternate channel, is become still into fluid by the magnetic flow liquid of the magnetic flow liquid solid-liquid ALT-CH alternate channel of the group, flows out magnetic
Rheology liquid solid-liquid ALT-CH alternate channel, under the conditions of positive and negative power cycles, two groups of magnetic flow liquid solid-liquid ALT-CH alternate channels are alternatively formed polishing
Plane, realizes uninterrupted polishing.
The beneficial effects of the invention are as follows：
Uninterrupted mirror polish can be achieved in the present invention, not only increases going out except amount for workpiece planarization, also helps the more preferable face shape of acquisition
With the workpiece of surface roughness.
Brief description of the drawings
Fig. 1 is clustered MRF header structure sectional view of the invention；
Fig. 2 is clustered MRF header structure fragmentary top sectional view of the invention；
Fig. 3 is clustered MRF head fundamental diagram of the invention.
Embodiment
Technical scheme is further elaborated below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, clustered MRF head of the invention, including it is coil brace 1, coil 2, magnetorheological
Liquid shower nozzle 3, polishing head bracket 4, magnetic flow liquid passage 5, soket head cap screw 6, magnetic flow liquid solid-liquid ALT-CH alternate channel 7, magnetic flow liquid
8th, optical element 9, workbench 10.
As depicted in figs. 1 and 2, coil brace 1 is circumferential uniform along polishing head bracket 4, and coil 2 is wrapped in coil brace 1
Between curved crossbeam on, provided with the solid ALT-CH alternate channel 7 of magnetic flow liquid between each two coil brace 1, polishing head bracket 4 is by interior
Hex screw 6 is fastened with coil brace 1, and magnetic flow liquid shower nozzle 3, magnetic flow liquid shower nozzle 3 and magnetic are provided with the middle of MRF head
The magnetic flow liquid passage 5 at rheology rubbing head center is connected.
MRF head has eight magnetic flow liquid shower nozzles 3, eight magnetic flow liquid shower nozzles 3 correspond to respectively eight it is magnetorheological
Liquid solid-liquid ALT-CH alternate channel 7, eight magnetic flow liquid solid-liquid ALT-CH alternate channels are respectively first passage, second channel, third channel, the 4th
Passage, Five-channel, the 6th passage, the 7th passage, the 8th passage, each magnetic flow liquid shower nozzle 3 and a magnetic flow liquid are consolidated
The correspondence of liquid ALT-CH alternate channel 7, magnetic flow liquid 8 is flowed into through magnetic flow liquid solid-liquid ALT-CH alternate channel 7, and magnetic current is flowed to by MRF head
Become liquid shower nozzle 3, then magnetic flow liquid solid-liquid ALT-CH alternate channel 7 is sprayed to by magnetic flow liquid shower nozzle 3, coil 2 is connected with extraneous power supply, positive
During power cycles, first passage, second channel, Five-channel, coil electricity by the 6th passage, the magnetic field needed for being formed, then this
When to become 8 by the magnetic flow liquid of first passage, second channel, Five-channel, the 6th passage be that solid forms surface polishing, and the
Triple channel, fourth lane, the 7th passage, the 8th passage side line circle no power, by third channel, fourth lane, the 7th passage,
The magnetic flow liquid 8 of 8th passage is still fluid, so that magnetic flow liquid solid-liquid ALT-CH alternate channel 7 is flowed out, first during reverse power cycles
Passage, second channel, Five-channel, the 6th passage side coil blackout, magnetic flow liquid 8 is changed into fluid from solid, so as to flow out magnetic
Rheology liquid solid-liquid ALT-CH alternate channel 7, and coil electricity by third channel, fourth lane, the 7th passage, the 8th passage, needed for being formed
Magnetic field, magnetic flow liquid 8 is changed into solid from fluid and forms new surface polishing, under the conditions of positive and negative power cycles two groups it is magnetorheological
Liquid solid-liquid ALT-CH alternate channel is alternatively formed surface polishing, realizes uninterrupted polishing.
As shown in figure 3, being fundamental diagram, magnetic flow liquid 8 flows into MRF head and sprayed to by magnetic flow liquid shower nozzle 3
Magnetic flow liquid solid-liquid ALT-CH alternate channel 7, the magnetic field needed for the energization formation of coil 2, magnetic flow liquid 8 is logical by the conversion of magnetic flow liquid solid-liquid
It is changed into solid formation surface polishing during road 7 under the influence of a magnetic field, for polishing optical element 9, optical element 9 is fixed on work
On platform 10, when power cycles change, magnetic flow liquid 8 is changed into fluid outflow magnetic flow liquid solid-liquid ALT-CH alternate channel 7 from solid.
Claims (3)
1. a kind of clustered MRF head, including coil brace (1), coil (2), magnetic flow liquid shower nozzle (3), rubbing head branch
Frame (4), magnetic flow liquid passage (5), magnetic flow liquid solid-liquid ALT-CH alternate channel (7), magnetic flow liquid (8), it is characterised in that：The coil
Support (1) is circumferential uniform along polishing head bracket (4), wound around coil (2), line on the curved crossbeam in the middle of each coil brace (1)
Circle (2) is simultaneously connected with extraneous power supply, the magnetic field needed for being formed, and turns admittedly provided with a magnetic flow liquid between each two coil brace (1)
Change in the middle of passage (7), the polishing head bracket (4) and MRF head is housed, MRF head sprays provided with magnetic flow liquid
Head (3), magnetic flow liquid shower nozzle (3) is connected with magnetic flow liquid passage (5), and the magnetic flow liquid (8) passes through magnetic flow liquid passage (5)
Magnetic flow liquid shower nozzle (3) is flowed into, magnetic flow liquid (8) is sprayed into magnetic flow liquid solid-liquid ALT-CH alternate channel by magnetic flow liquid shower nozzle (3)
(7), it is changed into solid formation surface polishing in the case where coil (2) is powered the magnetic fields needed for being formed, for polishing optical element
(9)。
2. clustered MRF head according to claim 1, it is characterised in that：On the polishing head bracket (4)
Eight coil braces (1) are furnished with, each coil brace (1) is fixedly connected by soket head cap screw (6) with polishing head bracket (4).
3. the clustered MRF head according to claim (1), it is characterised in that：Set on the MRF head
There are eight magnetic flow liquid shower nozzles (3), eight magnetic flow liquid shower nozzles (3) correspond to eight magnetic flow liquid solid-liquid ALT-CH alternate channels (7) respectively,
Eight magnetic flow liquid solid-liquid ALT-CH alternate channels (7) are divided into two groups, and every group includes four magnetic flow liquid solid-liquid ALT-CH alternate channels (7), when one
The other coil electricity of the magnetic flow liquid solid-liquid ALT-CH alternate channel (7) of group, when forming required magnetic field, passes through the magnetic flow liquid solid-liquid of the group
The magnetic flow liquid of ALT-CH alternate channel (7) becomes (8) and is changed into solid formation surface polishing, and is changed by another group of magnetic flow liquid solid-liquid
The other coil blackout of passage (7), becomes (8) still into fluid, stream by the magnetic flow liquid of the magnetic flow liquid solid-liquid ALT-CH alternate channel (7) of the group
Go out magnetic flow liquid solid-liquid ALT-CH alternate channel (7), under the conditions of positive and negative power cycles, two groups of magnetic flow liquid solid-liquid ALT-CH alternate channels replace shape
Into surface polishing, uninterrupted polishing is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363460.4A CN106985013B (en) | 2017-05-22 | 2017-05-22 | Clustered Magnetorheological Polishing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363460.4A CN106985013B (en) | 2017-05-22 | 2017-05-22 | Clustered Magnetorheological Polishing head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106985013A true CN106985013A (en) | 2017-07-28 |
| CN106985013B CN106985013B (en) | 2018-12-14 |
Family
ID=59420373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710363460.4A Active CN106985013B (en) | 2017-05-22 | 2017-05-22 | Clustered Magnetorheological Polishing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106985013B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581083A (en) * | 2018-05-08 | 2018-09-28 | 上海理工大学 | Magnetic coupling fluid polishing head for gear polishing |
| CN110883609A (en) * | 2019-12-06 | 2020-03-17 | 福建工程学院 | Magnetorheological polishing device convenient to operate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6332829B1 (en) * | 2000-05-04 | 2001-12-25 | Mpm Ltd. | Polishing method and device |
| US20020042244A1 (en) * | 2000-05-04 | 2002-04-11 | David Trommer | Polishing method and device |
| CN1872495A (en) * | 2006-06-30 | 2006-12-06 | 西安工业大学 | Magnetic rheologic flexible, fine grinding, polishing equipment and method |
| CN101249626A (en) * | 2008-03-25 | 2008-08-27 | 中国人民解放军国防科学技术大学 | Magnetic current changing polishing device for large caliber aspheric surface optical part |
| CN104999344A (en) * | 2015-08-17 | 2015-10-28 | 宇环数控机床股份有限公司 | Magnetic field generator of magnetorheological polishing equipment |
| CN105458840A (en) * | 2015-12-29 | 2016-04-06 | 广东工业大学 | Magnetostatic moving field magnetorheological polishing mechanism test device and processing method thereof |
| CN106041729A (en) * | 2016-06-07 | 2016-10-26 | 广东工业大学 | Multistage vacuum adsorption device for polishing of magnetorheological plane and machining method of multistage vacuum adsorption device |
-
2017
- 2017-05-22 CN CN201710363460.4A patent/CN106985013B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6332829B1 (en) * | 2000-05-04 | 2001-12-25 | Mpm Ltd. | Polishing method and device |
| US20020042244A1 (en) * | 2000-05-04 | 2002-04-11 | David Trommer | Polishing method and device |
| CN1872495A (en) * | 2006-06-30 | 2006-12-06 | 西安工业大学 | Magnetic rheologic flexible, fine grinding, polishing equipment and method |
| CN101249626A (en) * | 2008-03-25 | 2008-08-27 | 中国人民解放军国防科学技术大学 | Magnetic current changing polishing device for large caliber aspheric surface optical part |
| CN104999344A (en) * | 2015-08-17 | 2015-10-28 | 宇环数控机床股份有限公司 | Magnetic field generator of magnetorheological polishing equipment |
| CN105458840A (en) * | 2015-12-29 | 2016-04-06 | 广东工业大学 | Magnetostatic moving field magnetorheological polishing mechanism test device and processing method thereof |
| CN106041729A (en) * | 2016-06-07 | 2016-10-26 | 广东工业大学 | Multistage vacuum adsorption device for polishing of magnetorheological plane and machining method of multistage vacuum adsorption device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581083A (en) * | 2018-05-08 | 2018-09-28 | 上海理工大学 | Magnetic coupling fluid polishing head for gear polishing |
| CN108581083B (en) * | 2018-05-08 | 2019-12-24 | 上海理工大学 | Magnetic composite fluid polishing head for gear polishing |
| CN110883609A (en) * | 2019-12-06 | 2020-03-17 | 福建工程学院 | Magnetorheological polishing device convenient to operate |
| CN110883609B (en) * | 2019-12-06 | 2021-11-05 | 福建工程学院 | Magnetorheological polishing device convenient to operate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106985013B (en) | 2018-12-14 |
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