CN106985013B - Clustered Magnetorheological Polishing head - Google Patents
Clustered Magnetorheological Polishing head Download PDFInfo
- Publication number
- CN106985013B CN106985013B CN201710363460.4A CN201710363460A CN106985013B CN 106985013 B CN106985013 B CN 106985013B CN 201710363460 A CN201710363460 A CN 201710363460A CN 106985013 B CN106985013 B CN 106985013B
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- CN
- China
- Prior art keywords
- magnetorheological fluid
- magnetorheological
- polishing
- channel
- solid
- Prior art date
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to a kind of clustered Magnetorheological Polishing heads, coil brace is circumferentially uniformly distributed along polishing head bracket, wound around coil on curved crossbeam among each coil brace, coil is simultaneously connected with extraneous power supply, magnetic field needed for being formed, it is equipped with a magnetorheological fluid between every two coil brace and consolidates ALT-CH alternate channel, Magnetorheological Polishing head is housed among the polishing head bracket, Magnetorheological Polishing head is equipped with magnetorheological fluid spray head, magnetorheological fluid spray head is connect with magnetorheological fluid channel, the magnetorheological fluid flows into magnetorheological fluid spray head by magnetorheological fluid channel, magnetorheological fluid is sprayed into magnetorheological fluid solid-liquid ALT-CH alternate channel by magnetorheological fluid spray head, become solid in the case where coil is powered and to form required magnetic fields and forms surface polishing, for polishing optical element.The configuration of the present invention is simple makes two groups of magnetorheological fluid solid-liquid ALT-CH alternate channels be alternatively formed surface polishing, to realize uninterrupted polishing, increases the contact area of polishing area, to improve polishing efficiency by changing power cycles.
Description
Technical field
The present invention relates to a kind of rubbing head more particularly to a kind of clustered Magnetorheological Polishing for optical element polishing
Head belongs to optical element polishing technology field.
Background technique
Due to advanced science and technology fast-developing in recent years, especially to optical field, to some optical elements
The surface quality requirements of surface roughness and some materials are higher and higher, therefore study a kind of high efficiency and high-precision optics member
Part processing method has important practical significance.Magnetorheological Polishing passes through magnetic as a kind of novel method for manufacturing optical element
Field makes the rheological property of the magnetic rheological liquid between rubbing head and workpiece surface change, and connects in workpiece surface and magnetorheological fluid
It touches region and generates biggish shear stress, so that workpiece surface material be made to be removed.Conventional Magnetorheological Polishing mainly uses work
Point contact between part and rubbing head realizes the polishing removal of material, therefore efficiency receives certain limitation, in order to further
Optical glass Magnetorheological Polishing efficiency is improved, needs to design a kind of clustered Magnetorheological Polishing head, for increasing considerably polishing
The contact area in region, to improve polishing efficiency.
Summary of the invention
It is an object of the invention to the technological deficiency small for conventional Magnetorheological Polishing head removal area, providing one kind can be with
Realize the clustered Magnetorheological Polishing head of face contact polishing.
To achieve the goals above, the technical scheme is that a kind of clustered Magnetorheological Polishing head, including coil branch
Frame, coil, magnetorheological fluid spray head, polishing head bracket, magnetorheological fluid channel, magnetorheological fluid solid-liquid ALT-CH alternate channel, magnetorheological fluid, light
Element is learned, the coil brace is circumferentially uniformly distributed along polishing head bracket, wound around coil on the curved crossbeam among each coil brace,
Coil is simultaneously connected with extraneous power supply, forms required magnetic field, is equipped with a magnetorheological fluid between every two coil brace and converts admittedly and leads to
Road, the polishing head bracket centre are equipped with Magnetorheological Polishing head, and Magnetorheological Polishing head is equipped with magnetorheological fluid spray head, magnetorheological fluid
Spray head is connect with magnetorheological fluid channel, and the magnetorheological fluid flows into magnetorheological fluid spray head by magnetorheological fluid channel, by magnetorheological
Magnetorheological fluid is sprayed to magnetorheological fluid solid-liquid ALT-CH alternate channel by liquid spray head, becomes solid in the case where coil is powered and to form required magnetic fields
Body forms surface polishing, for polishing optical element.
Eight coil braces are evenly equipped on the polishing head bracket, each coil brace passes through soket head cap screw and rubbing head
Bracket is fixedly connected.
The Magnetorheological Polishing head is equipped with eight magnetorheological fluid spray heads, and eight magnetorheological fluid spray heads respectively correspond eight magnetic
Rheology liquid solid-liquid ALT-CH alternate channel, eight magnetorheological fluid solid-liquid ALT-CH alternate channels are divided into two groups, and every group includes four magnetorheological fluid solid-liquids
ALT-CH alternate channel when forming required magnetic field, passes through the magnetic of the group when one group of magnetorheological fluid solid-liquid ALT-CH alternate channel side line circle energization
The magnetorheological fluid of rheology liquid solid-liquid ALT-CH alternate channel becomes solid and forms surface polishing, and passes through another group of magnetorheological fluid solid-liquid
Coil blackout by ALT-CH alternate channel is become still into fluid by the magnetorheological fluid of the magnetorheological fluid 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 magnetorheological fluid solid-liquid ALT-CH alternate channels are alternatively formed polishing
Plane realizes uninterrupted polishing.
The beneficial effects of the present invention are:
Uninterrupted face polishing can be achieved in the present invention, not only increases going out except amount for workpiece planarization, it is more preferable to also help acquisition
The workpiece of face shape and surface roughness.
Detailed description of the invention
Fig. 1 is clustered Magnetorheological Polishing header structure cross-sectional view of the invention；
Fig. 2 is clustered Magnetorheological Polishing header structure fragmentary top cross-sectional view of the invention；
Fig. 3 is clustered Magnetorheological Polishing head working principle diagram of the invention.
Specific embodiment
Technical solution of the present invention is further elaborated with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, clustered Magnetorheological Polishing head of the invention, including it is coil brace 1, coil 2, magnetorheological
Liquid spray head 3, polishing head bracket 4, magnetorheological fluid channel 5, soket head cap screw 6, magnetorheological fluid solid-liquid ALT-CH alternate channel 7, magnetorheological fluid
8, optical element 9, workbench 10.
As depicted in figs. 1 and 2, coil brace 1 is circumferential uniformly distributed along polishing head bracket 4, and coil 2 is wrapped in coil brace 1
Between curved crossbeam on, a magnetorheological fluid is equipped between every two coil brace 1 and consolidate ALT-CH alternate channel 7, in polishing head bracket 4 passes through
Hex screw 6 and coil brace 1 fasten, and magnetorheological fluid spray head 3, magnetorheological fluid spray head 3 and magnetic are equipped among Magnetorheological Polishing head
The magnetorheological fluid channel 5 at rheology rubbing head center connects.
Magnetorheological Polishing head shares eight magnetorheological fluid spray heads 3, eight magnetorheological fluid spray heads 3 respectively correspond eight it is magnetorheological
Liquid solid-liquid ALT-CH alternate channel 7, eight magnetorheological fluid solid-liquid ALT-CH alternate channels are respectively first passage, second channel, third channel, the 4th
Channel, Five-channel, the 6th channel, the 7th channel, the 8th channel, each magnetorheological fluid spray head 3 and a magnetorheological fluid are solid
Liquid ALT-CH alternate channel 7 is corresponding, and magnetorheological fluid 8 is flowed into through magnetorheological fluid solid-liquid ALT-CH alternate channel 7, flows to magnetic current by Magnetorheological Polishing head
Become liquid spray head 3, then magnetorheological fluid solid-liquid ALT-CH alternate channel 7 is sprayed to by magnetorheological fluid spray head 3, coil 2 is connect with extraneous power supply, positive
When power cycles, first passage, second channel, Five-channel, the 6th channel side line circle be powered, form required magnetic field, then this
When by the magnetorheological fluid in first passage, second channel, Five-channel, the 6th channel become 8 as solid formation surface polishing, and the
Triple channel, fourth lane, the 7th channel, the 8th channel side line circle no power, by third channel, fourth lane, the 7th channel,
The magnetorheological fluid 8 in the 8th channel is still fluid, to flow out magnetorheological fluid solid-liquid ALT-CH alternate channel 7, first when reversed power cycles
Channel, second channel, Five-channel, the 6th channel side coil blackout, magnetorheological fluid 8 becomes fluid from solid, to flow out magnetic
Rheology liquid solid-liquid ALT-CH alternate channel 7, and third channel, fourth lane, the 7th channel, the energization of the 8th channel side line circle, needed for formation
Magnetic field, magnetorheological fluid 8 becomes 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 working principle diagram, magnetorheological fluid 8 flows into Magnetorheological Polishing head and is sprayed to by magnetorheological fluid spray head 3
Magnetorheological fluid solid-liquid ALT-CH alternate channel 7, coil 2, which is powered, forms required magnetic field, and magnetorheological fluid 8 is logical by the conversion of magnetorheological fluid solid-liquid
Become solid when road 7 under the influence of a magnetic field and form surface polishing, for polishing optical element 9, optical element 9 is fixed on work
On platform 10, when power cycles change, magnetorheological fluid 8 becomes fluid outflow magnetorheological fluid solid-liquid ALT-CH alternate channel 7 from solid.
Claims (3)
1. a kind of clustered Magnetorheological Polishing head, including coil brace (1), coil (2), magnetorheological fluid spray head (3), rubbing head branch
Frame (4), magnetorheological fluid channel (5), magnetorheological fluid solid-liquid ALT-CH alternate channel (7), magnetorheological fluid (8), it is characterised in that: the coil
Bracket (1) is circumferentially uniformly distributed along polishing head bracket (4), wound around coil (2) on the intermediate curved crossbeam of each coil brace (1), line
Circle (2) is simultaneously connected with extraneous power supply, forms required magnetic field, is equipped with a magnetorheological fluid between every two coil brace (1) and turns admittedly
It changes channel (7), Magnetorheological Polishing head is housed among the polishing head bracket (4), Magnetorheological Polishing head is sprayed equipped with magnetorheological fluid
Head (3), magnetorheological fluid spray head (3) are connect with magnetorheological fluid channel (5), and the magnetorheological fluid (8) passes through magnetorheological fluid channel (5)
It flows into magnetorheological fluid spray head (3), magnetorheological fluid (8) is sprayed into magnetorheological fluid solid-liquid ALT-CH alternate channel by magnetorheological fluid spray head (3)
(7), become solid in the case where coil (2) are powered the magnetic fields needed for being formed and form surface polishing, for polishing optical element
(9)。
2. clustered Magnetorheological Polishing 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. clustered Magnetorheological Polishing head according to claim 1, it is characterised in that: the Magnetorheological Polishing head is equipped with
Eight magnetorheological fluid spray heads (3), eight magnetorheological fluid spray heads (3) respectively correspond eight magnetorheological fluid solid-liquid ALT-CH alternate channels (7), and eight
A magnetorheological fluid solid-liquid ALT-CH alternate channel (7) is divided into two groups, and every group includes four magnetorheological fluid solid-liquid ALT-CH alternate channels (7), when one group
Magnetorheological fluid solid-liquid ALT-CH alternate channel (7) side line circle be powered, when forming required magnetic field, turned by the magnetorheological fluid solid-liquid of the group
The magnetorheological fluid (8) for changing channel (7) becomes solid and forms surface polishing, and passes through another group of magnetorheological fluid solid-liquid ALT-CH alternate channel
(7) other coil blackout, the magnetorheological fluid (8) by the magnetorheological fluid solid-liquid ALT-CH alternate channel (7) of the group are still fluid, flow out magnetic current
Become liquid solid-liquid ALT-CH alternate channel (7), under the conditions of positive and negative power cycles, two groups of magnetorheological fluid solid-liquid ALT-CH alternate channels are alternatively formed polishing
Plane realizes uninterrupted polishing.
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 CN106985013A (en) | 2017-07-28 |
| CN106985013B true CN106985013B (en) | 2018-12-14 |
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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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581083B (en) * | 2018-05-08 | 2019-12-24 | 上海理工大学 | Magnetic composite fluid polishing head for gear polishing |
| CN110883609B (en) * | 2019-12-06 | 2021-11-05 | 福建工程学院 | Magnetorheological polishing device convenient to operate |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6332829B1 (en) * | 2000-05-04 | 2001-12-25 | Mpm Ltd. | Polishing method and device |
| US6626742B2 (en) * | 2000-05-04 | 2003-09-30 | Mpm Ltd. | Polishing method and device |
| CN100493843C (en) * | 2006-06-30 | 2009-06-03 | 西安工业大学 | Magnetic rheologic flexible, fine grinding, polishing equipment and method |
| CN100566935C (en) * | 2008-03-25 | 2009-12-09 | 中国人民解放军国防科学技术大学 | The magnetorheological finishing device that is used for the aperture aspherical optical element |
| 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 |
| CN105458840B (en) * | 2015-12-29 | 2017-12-29 | 广东工业大学 | A kind of magnetostatic dynamic field MRF mechanism experimental rig and its processing method |
| CN106041729B (en) * | 2016-06-07 | 2018-07-10 | 广东工业大学 | Magnetorheological plane polishing multi-stage vacuum adsorbent equipment and its processing method |
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2017
- 2017-05-22 CN CN201710363460.4A patent/CN106985013B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106985013A (en) | 2017-07-28 |
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