CN111438567A - Magnetorheological polishing knife - Google Patents
Magnetorheological polishing knife Download PDFInfo
- Publication number
- CN111438567A CN111438567A CN202010278533.1A CN202010278533A CN111438567A CN 111438567 A CN111438567 A CN 111438567A CN 202010278533 A CN202010278533 A CN 202010278533A CN 111438567 A CN111438567 A CN 111438567A
- Authority
- CN
- China
- Prior art keywords
- polishing
- cavity
- ball
- magnetorheological
- head
- 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.)
- Granted
Links
Images
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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a magnetorheological polishing knife which comprises a tube body, magnetorheological polishing liquid, a polishing head and a polishing ball, wherein the polishing head and the polishing ball are both magnetic, a through storage cavity is formed in the tube body along the axis direction, the magnetorheological polishing liquid is arranged in the storage cavity, the polishing head is arranged at the lower end of the tube body, a rotating cavity is formed between the polishing head and the lower end of the tube body, the polishing ball is arranged in the rotating cavity and can rotate freely, part of the polishing ball extends out of the polishing head, the volume of the part of the polishing ball extending out of the polishing ball is smaller than the volume of half of the polishing ball, and a gap for the magnetorheological polishing liquid to flow out is reserved between the rotating cavity and the polishing ball. The invention has the advantages that: the magnetorheological polishing solution can effectively improve the polishing precision, and the magnetorheological polishing solution attached to the magnetic polishing ball can be converted into a solid-like form to polish the surface of a workpiece through the magnetic polishing ball, so that the whole polishing radius can be smaller, and the magnetic polishing ball is suitable for a complex polishing surface.
Description
Technical Field
The invention relates to a magnetorheological polishing knife.
Background
When some elements with higher precision requirements and complex surfaces need to be polished, the existing polishing tool cannot meet the requirements by using polishing media such as sponge sand and the like, and when the polishing surface is small or complex, the size of the polishing media attached to the base is limited, so that a small area cannot be deeply polished.
Disclosure of Invention
The invention aims to provide a magnetorheological polishing knife which can effectively solve the problem that the polishing precision of the existing polishing knife is not enough.
In order to solve the technical problems, the invention is realized by the following technical scheme: a magneto-rheological polishing knife comprises a tube body, magneto-rheological polishing liquid, a polishing head and a polishing ball, wherein the polishing head and the polishing ball are both magnetic, a through storage cavity is formed in the tube body along the axis direction, the magneto-rheological polishing liquid is arranged in the storage cavity, the lower end of the tube body is provided with the polishing head, a rotating cavity is formed between the polishing head and the lower end of the tube body, the polishing ball is arranged in the rotating cavity and can rotate freely, the part of the polishing ball extends out of the polishing head, the volume of the part of the polishing ball extending out of the polishing ball is smaller than the volume of half of the polishing ball, and a gap allowing the magneto-rheological polishing liquid to flow out is reserved between the rotating cavity and the polishing ball.
Preferably, the burnishing head with threaded connection between the lower extreme of body, it has hemispherical recessed chamber and bottom the same with external world to open on the burnishing head, the lower extreme of body is also opened hemispherical and is gone up cavity and top and storage chamber and communicate with each other, go up the cavity and form the rotation chamber with recessed chamber. The threaded connection mode is convenient for dismouting between burnishing head and the body, can conveniently install the polishing ball into rotatory chamber, and rotatory chamber comprises two cavities, does benefit to processing and the fixed to the polishing ball.
Preferably, the inner side wall of the storage chamber is provided with at least one flow guide groove, and the flow guide groove is connected with the storage chamber and the bottom of the polishing head. Because the clearance between the rotary cavity and the polishing ball cannot be too large, the guide groove is arranged, so that the magnetorheological polishing liquid can be attached to the polishing ball as much as possible.
Preferably, a liquid storage cavity is arranged at the joint of the polishing head and the pipe body in the rotary cavity. And a part of magnetorheological polishing solution is stored in advance through the liquid storage cavity, so that the normal supply of the magnetorheological polishing solution is ensured.
Preferably, the top of body is equipped with the pressurization head, the pressurization head includes closing cap, spring and piston, the piston is located the storage intracavity, and the cross sectional dimension of piston is the same with the cross sectional dimension of storage chamber, the closing cap is connected with the top fixed connection of body, be equipped with in the storage intracavity between closing cap and the piston the spring. The magnetorheological polishing fluid is fixed through the end socket, the piston is pushed by the thrust spring, the magnetorheological polishing fluid is extruded towards the direction of the polishing ball, and sufficient pressure is provided to discharge the magnetorheological polishing fluid for polishing operation.
Compared with the prior art, the invention has the advantages that: the polishing precision of the magnetorheological polishing solution is finer and smoother compared with the traditional material, the polishing precision can be effectively improved, the magnetorheological polishing solution attached to the magnetic polishing ball can be converted into a solid-like form to polish the surface of a workpiece through the magnetic polishing ball, and other adhesives are not needed for attaching the magnetorheological polishing solution to the polishing ball, so that the whole polishing radius can be made smaller, and the magnetorheological polishing solution is suitable for a complex polishing surface.
Drawings
FIG. 1 is a schematic view of a magnetorheological finishing tool according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic view of the connection between the tube and the polishing head according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, an embodiment of the magnetorheological polishing knife of the present invention is a magnetorheological polishing knife, including a tube body 1, magnetorheological polishing liquid 2, a polishing head 3, and a polishing ball 4, where the polishing head 3 and the polishing ball 4 both have magnetism, the tube body 1 is provided with a through storage cavity 5 along an axial direction, the magnetorheological polishing liquid 2 is disposed in the storage cavity 5, the lower end of the tube body 1 is provided with the polishing head 3, a rotation cavity 6 is formed between the polishing head 3 and the lower end of the tube body 1, the polishing ball 4 is disposed in the rotation cavity 6 and can rotate freely, a portion of the polishing ball 4 extends out of the polishing head 3, a volume of a portion of the polishing ball 4 extending out of the polishing ball 4 is smaller than a volume of half of the polishing ball 4, and a gap for the magnetorheological polishing liquid 2 to flow out is left between the rotation cavity 6 and the polishing ball 4.
The polishing precision of the magnetorheological polishing solution 2 is finer and smoother than that of the traditional material, the polishing precision can be effectively improved, the magnetorheological polishing solution 2 attached to the magnetic polishing ball 4 can be converted into a solid-like form to polish the surface of a workpiece, and the magnetorheological polishing solution 2 is not required to be attached to the polishing ball 4 by other adhesives, so that the whole polishing radius can be smaller, and the magnetorheological polishing solution is suitable for complex polishing surfaces.
In order to conveniently install the polishing head 3 in the rotating cavity 6, the polishing head 3 is in threaded connection with the lower end of the pipe body 1, the polishing head 3 is provided with a hemispherical concave cavity 7, the bottom of the hemispherical concave cavity 7 is the same as the outside, the lower end of the pipe body 1 is also provided with a hemispherical upper concave cavity 8, the top of the hemispherical upper concave cavity 8 is communicated with the storage cavity 5, the upper concave cavity 8 and the concave cavity 7 form the rotating cavity 6, the hemispherical upper concave cavity 8 and the concave cavity 7 can well limit the rotation of the polishing head 3, the polishing ball 4 can be guaranteed to rotate towards all directions, and the polishing head 3 and the pipe body 1 are in threaded connection, so that the disassembly and the maintenance.
And the inside wall of the storage cavity 5 is provided with at least one flow guide groove 9, the flow guide groove 9 is connected with the storage cavity 5 and the bottom of the polishing head 3, eight flow guide grooves 9 are uniformly distributed in the embodiment, on the premise that the rolling of the polishing ball 4 is not influenced, magnetorheological polishing liquid 2 is introduced and attached to the polishing ball 4 as much as possible, further, a liquid storage cavity 10 is arranged at the joint of the polishing head 3 and the pipe body 1 in the rotating cavity 6, and the magnetorheological polishing liquid 2 is stored as much as possible at the position close to the polishing surface through the liquid storage cavity 10 so as to be used for polishing operation.
During assembly, the polishing head 3 is separated from the tube body 1, the polishing head 3 is placed into the rotating cavity 6, then the polishing head 3 and the tube body 1 are screwed, the magnetorheological polishing liquid 2 is filled into the storage cavity 5 from the top of the tube body 1, after filling, the piston 13 and the spring 12 are placed, and the top of the storage cavity 5 is sealed by the sealing cover 11. When the polishing ball 4 is used, the magnetorheological polishing solution 2 is converted into a similar solid state to be attached to the polishing ball 4 by rolling of the polishing ball 4, and the surface of a workpiece is polished. The polishing device is used for finely polishing the surface of a workpiece, has higher polishing precision, has smaller polishing radius and can polish more complex surfaces.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (5)
1. A magnetorheological finishing knife is characterized in that: comprises a tube body (1), magnetorheological polishing liquid (2), a polishing head (3) and a polishing ball (4), the polishing head (3) and the polishing ball (4) are both magnetic, the tube body (1) is provided with a through storage cavity (5) along the axial direction, the magnetorheological polishing solution (2) is arranged in the storage cavity (5), the lower end of the tube body (1) is provided with a polishing head (3), a rotary cavity (6) is formed between the polishing head (3) and the lower end of the tube body (1), the polishing ball (4) is arranged in the rotating cavity (6) and can rotate freely, the part of the polishing ball (4) extends out of the polishing head (3), the volume of the part of the polishing ball (4) extending out of the polishing ball (4) is less than the volume of half of the polishing ball (4), and a gap for allowing the magnetorheological polishing liquid (2) to flow out is reserved between the rotating cavity (6) and the polishing ball (4).
2. The magnetorheological finishing tool according to claim 1, wherein: the polishing head (3) is in threaded connection with the lower end of the tube body (1), a hemispherical lower cavity (7) is formed in the polishing head (3), the bottom of the hemispherical lower cavity is the same as the outside, a hemispherical upper cavity (8) is formed in the lower end of the tube body (1), the top of the hemispherical upper cavity is communicated with the storage cavity (5), and the upper cavity (8) and the lower cavity (7) form a rotating cavity (6).
3. The magnetorheological finishing tool according to claim 2, wherein: the inner side wall of the storage cavity (5) is provided with at least one flow guide groove (9), and the flow guide groove (9) is connected with the bottom of the storage cavity (5) and the bottom of the polishing head (3).
4. The magnetorheological finishing knife of any one of claims 1 to 3, wherein: a liquid storage cavity (10) is arranged at the joint of the polishing head (3) and the tube body (1) in the rotary cavity (6).
5. The magnetorheological finishing tool according to claim 1, wherein: the top of body (1) is equipped with the pressurization head, the pressurization head includes closing cap (11), spring (12) and piston (13), piston (13) are located storage chamber (5), and the cross sectional dimension of piston (13) is the same with the cross sectional dimension of storage chamber (5), the top fixed connection of closing cap (11) and body (1), be equipped with in storage chamber (5) between closing cap (11) and piston (13) spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278533.1A CN111438567B (en) | 2020-04-07 | 2020-04-07 | Magnetorheological polishing knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278533.1A CN111438567B (en) | 2020-04-07 | 2020-04-07 | Magnetorheological polishing knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111438567A true CN111438567A (en) | 2020-07-24 |
| CN111438567B CN111438567B (en) | 2021-02-05 |
Family
ID=71651373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010278533.1A Active CN111438567B (en) | 2020-04-07 | 2020-04-07 | Magnetorheological polishing knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111438567B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6106380A (en) * | 1995-10-16 | 2000-08-22 | Byelocorp Scientific, Inc. | Deterministic magnetorheological finishing |
| CN1613605A (en) * | 2004-11-23 | 2005-05-11 | 哈尔滨工业大学 | Ultrasonic magnetic rheological composite polishing method and polisher thereof |
| CN103111917A (en) * | 2013-01-28 | 2013-05-22 | 嘉兴纳美精密机械有限公司 | High-efficiency magneto-rheological polishing device with controllable magnetic path |
| CN203019159U (en) * | 2013-01-05 | 2013-06-26 | 长沙纳美特超精密制造技术有限公司 | Magnetorheological polishing head |
| CN103302557A (en) * | 2013-07-10 | 2013-09-18 | 厦门大学 | Precession sustainable magnetic rheological polishing device |
| CN206393364U (en) * | 2017-01-20 | 2017-08-11 | 浙江师范大学 | Automatic Combined Changeful type MRF head |
| CN108274306A (en) * | 2017-12-24 | 2018-07-13 | 广东工业大学 | A kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls |
| CN110340736A (en) * | 2019-06-19 | 2019-10-18 | 华中科技大学 | A kind of magnetorheological finishing device and method based on flow field focusing |
| CN210081434U (en) * | 2019-06-05 | 2020-02-18 | 中国工程物理研究院机械制造工艺研究所 | Magnetic solid state rheological effect polishing device for thin-wall special-shaped curved surface |
-
2020
- 2020-04-07 CN CN202010278533.1A patent/CN111438567B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6106380A (en) * | 1995-10-16 | 2000-08-22 | Byelocorp Scientific, Inc. | Deterministic magnetorheological finishing |
| CN1613605A (en) * | 2004-11-23 | 2005-05-11 | 哈尔滨工业大学 | Ultrasonic magnetic rheological composite polishing method and polisher thereof |
| CN203019159U (en) * | 2013-01-05 | 2013-06-26 | 长沙纳美特超精密制造技术有限公司 | Magnetorheological polishing head |
| CN103111917A (en) * | 2013-01-28 | 2013-05-22 | 嘉兴纳美精密机械有限公司 | High-efficiency magneto-rheological polishing device with controllable magnetic path |
| CN103302557A (en) * | 2013-07-10 | 2013-09-18 | 厦门大学 | Precession sustainable magnetic rheological polishing device |
| CN206393364U (en) * | 2017-01-20 | 2017-08-11 | 浙江师范大学 | Automatic Combined Changeful type MRF head |
| CN108274306A (en) * | 2017-12-24 | 2018-07-13 | 广东工业大学 | A kind of magnetorheological finishing device of high-efficiency high-accuracy Ceramic Balls |
| CN210081434U (en) * | 2019-06-05 | 2020-02-18 | 中国工程物理研究院机械制造工艺研究所 | Magnetic solid state rheological effect polishing device for thin-wall special-shaped curved surface |
| CN110340736A (en) * | 2019-06-19 | 2019-10-18 | 华中科技大学 | A kind of magnetorheological finishing device and method based on flow field focusing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111438567B (en) | 2021-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111438567B (en) | Magnetorheological polishing knife | |
| CN211923890U (en) | Rotary sealing door and rotary mechanism | |
| CN111283482B (en) | Multi-head self-adaptive magnetorheological polishing device | |
| CN107117217A (en) | A kind of global wheel for the internal drive that robot is used | |
| CN111230720B (en) | Magnetorheological polishing knife | |
| CN210371786U (en) | Shock absorber with floating piston | |
| CN210623551U (en) | Water pressure sealed waterproof rubber ring | |
| CN209293958U (en) | Hollow motor is used in high pressure water removing | |
| CN219791060U (en) | Magnesium-aluminum alloy pump sleeve based on outer surface sand effect | |
| CN108757986B (en) | Hemispherical valve with thrust locking sealing structure | |
| CN207985441U (en) | A kind of pet leaves shampoo bottle of improved structure | |
| CN211678503U (en) | Automatic oiling device for traffic tracks | |
| CA2261221A1 (en) | Improved cylinder | |
| CN221169873U (en) | Ceramic valve type pump for pouring | |
| CN219317787U (en) | Relief valve structure and slurry pump | |
| CN201052891Y (en) | Foam emulsion pump | |
| CN111604712B (en) | Polishing machine adopting magnetorheological polishing knife | |
| CN214189103U (en) | Ball bladder pumping correction fluid | |
| CN215110541U (en) | Electronic expansion valve | |
| CN209395783U (en) | A kind of automobile ABS accumulator structure | |
| CN111421396B (en) | Circular concave polishing device | |
| CN221424475U (en) | Multi-angle hydraulic supporting device | |
| CN213310227U (en) | Bone cement loading attachment of rotatable pressurization | |
| CN210716216U (en) | Vacuum valve | |
| CN217234419U (en) | Pressure maintaining cylinder valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220620 Address after: 321016 No. 466, Xianhua South Street, Jinhua City, Zhejiang Province Patentee after: CANWELL MEDICAL Co.,Ltd. Address before: Taizhou University, 1139 Shifu Avenue, Taizhou, Zhejiang 318000 Patentee before: TAIZHOU University |
|
| TR01 | Transfer of patent right |