CN110253416B - Biological pottery artificial joint sphere is with two polishing passageway burnishing devices - Google Patents
Biological pottery artificial joint sphere is with two polishing passageway burnishing devices Download PDFInfo
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- CN110253416B CN110253416B CN201910648620.9A CN201910648620A CN110253416B CN 110253416 B CN110253416 B CN 110253416B CN 201910648620 A CN201910648620 A CN 201910648620A CN 110253416 B CN110253416 B CN 110253416B
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- spiral groove
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- 238000005498 polishing Methods 0.000 title claims abstract description 115
- 239000000919 ceramic Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- 239000003462 bioceramic Substances 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 210000004394 hip joint Anatomy 0.000 description 3
- 239000007943 implant Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 101000911772 Homo sapiens Hsc70-interacting protein Proteins 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 210000000588 acetabulum Anatomy 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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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
- B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
- B24B11/02—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls
-
- 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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a double-polishing-channel polishing device for a biological ceramic artificial joint spherical surface, wherein a left end cover and a right end cover are respectively fixed on the left side and the right side of a polishing main body, a first through hole is formed in the middle of the polishing main body, a double-head screw rod penetrates through the first through hole, an upper polishing channel and a spiral groove of the double-head screw rod form a first polishing channel which are arranged at the upper parts of the left end cover, the polishing main body and the right end cover, a lower polishing channel and another spiral groove of the double-head screw rod form a second polishing channel which are arranged at the lower parts of the left end cover, the polishing main body and the right end cover, magnetorheological polishing liquid and a polishing body are respectively placed in the first polishing channel and the second polishing channel, a coil is arranged on the polishing main body, a driving device drives the. The invention has the advantages that: can polish two sets of polishing pieces simultaneously, promote polishing efficiency greatly, carry out all-round polishing to the periphery of the polishing body of wheel.
Description
Technical Field
The invention relates to a double-polishing-channel polishing device for a biological ceramic artificial joint spherical surface.
Background
Joint damage caused by joint pathological changes or accidents caused by human diseases destroys the normal functions of human joints, and brings great inconvenience to the life and work of patients. Statistically, about 10% of the world population is replacing natural hip joints with artificial hip joints. The human hip joint is a spherical joint comprising a spherical femoral head and a bowl-like acetabulum. The substitute material has the properties of light weight, high strength, good biocompatibility, strong corrosion resistance, small fatigue caused by repeated stress, wear resistance and the like. The materials used for the joint replacement implant mainly comprise metal, ceramic, high polymer and composite materials. Because of the biological inertia, the ceramic has the advantages of stability, high hardness, almost no abrasion and the like in a human body and is widely applied. But the ceramic material has the characteristics of high hardness, high strength, large brittleness and the like and is difficult to process; and the ceramic implant has more burrs and thicker oxide film after being processed, is implanted into a human body as a medical interventional instrument, has higher surface roughness of materials, and is easy to cause the formation of thrombus. Therefore, higher requirements are put forward on the surface and the micro rough surface of the medical ceramic artificial joint ball head.
Disclosure of Invention
The invention aims to provide a double-polishing-channel polishing device for a biological ceramic artificial joint spherical surface, which can effectively solve the problem of low polishing precision of the existing biological ceramic artificial joint spherical surface.
In order to solve the technical problems, the invention is realized by the following technical scheme: a double-polishing-channel polishing device for a biological ceramic artificial joint spherical surface comprises a polishing main body, a left end cover, a right end cover, a double-head screw, a driving device, magnetorheological polishing liquid and a coil, wherein a first through hole penetrating through the polishing main body from left to right is formed in the middle of the polishing main body, the double-head screw penetrates through the first through hole, one end of the double-head screw is connected with the driving device, a first spiral groove and a second spiral groove are formed in the double-head screw, a third spiral groove matched with the first spiral groove is formed in the inner side wall of the first through hole, and a fourth spiral groove matched with the second spiral groove is further formed in the inner side wall of the first through hole;
the polishing main body is provided with an upper conveying hole and a lower conveying hole which are positioned at the upper side and the lower side of the first through hole, the polishing main body is divided into a left upper end surface, a left lower end surface, a right upper end surface and a right lower end surface by taking the first through hole as a boundary, the left upper end surface and the left lower end surface are not in the same vertical plane, the right upper end surface and the right lower end surface are not in the same vertical plane, the left upper end surface is provided with a vertical first half groove, the upper part of the left end cover is provided with a second half groove, the first half groove and the second half groove form a first conveying hole, a vertical third half groove is arranged on the upper right end surface, the upper part of the right end cover is provided with a fourth half groove, the third half groove and the fourth half groove form a second conveying hole, the top of the first conveying hole and the top of the second conveying hole are respectively connected with two ends of the upper conveying hole, the bottom of the first conveying hole and the bottom of the second conveying hole are respectively communicated with the first spiral groove;
the left lower end face is provided with a vertical fifth half groove, the lower part of the left end cover is provided with a sixth half groove, the fifth half groove and the sixth half groove form a third conveying hole, the right lower end face is provided with a vertical seventh half groove, the lower part of the right end cover is provided with an eighth half groove, the seventh half groove and the eighth half groove form a fourth conveying hole, the bottom of the third conveying hole and the bottom of the fourth conveying hole are respectively communicated with two ends of the lower conveying hole, and the top of the third conveying hole and the top of the fourth conveying hole are respectively communicated with the second spiral groove;
the polishing main body is provided with an upper feeding port communicated with the upper conveying hole, and the polishing main body is provided with a lower feeding port communicated with the lower conveying hole;
the left end cover is also provided with a fifth spiral groove matched with the first spiral groove, and the right end cover is also provided with a sixth spiral groove matched with the second spiral groove;
the left end cover and the right end cover are respectively provided with a second through hole for the double-head screw to pass through;
the upper conveying hole, the first spiral groove, the third spiral groove, the fifth spiral groove and the second conveying hole form a first polishing channel, the lower conveying hole, the third conveying hole, the second spiral groove, the fourth spiral groove, the sixth spiral groove and the fourth conveying hole form a second polishing channel, the magnetorheological polishing liquid is arranged in the first polishing channel and the second polishing channel, and the coil is fixed in the polishing main body.
Preferably, sealing rings are arranged in the second through hole of the left end cover and the second through hole of the right end cover.
Preferably, both ends of the double-end screw are provided with limiters.
Preferably, the upper injection port and the lower injection port are both internally provided with sealing plugs.
Compared with the prior art, the invention has the advantages that:
form first polishing passageway and second polishing passageway through polishing main part, left end cap, right-hand member lid and double-end screw, can polish two sets of polishing parts simultaneously, promoted polishing efficiency greatly, and the polishing utilizes magnetic current becomes the polishing solution, is the liquid form when not receiving the effect of magnetic field, can be complete cover on the inner wall of polishing passageway, receives to trun into class solid state form behind the magnetic field, forms numerous magnetic current change brush, carries out all-round polishing to the periphery of the polishing body of gyration.
And sealing rings are arranged in the second through hole of the left end cover and the second through hole of the right end cover. The magnetorheological polishing solution is prevented from flowing out along the double-end screw through the sealing ring.
And both ends of the double-end screw rod are provided with limiters. Stop device prevents that double-end screw from excessively leading to double-end screw and polishing main part to break away from along axial displacement.
And sealing plugs are arranged in the upper material injection port and the lower material injection port. And the polishing piece or the magnetorheological polishing liquid is prevented from flying out of the injection port in the polishing process.
Drawings
FIG. 1 is a schematic structural diagram of a double-polishing-channel polishing device for a bio-ceramic artificial joint spherical surface according to the present invention;
FIG. 2 is a schematic view of the polishing body, left end cap and right end cap of the present invention after assembly;
FIG. 3 is a front view of the left end cap of the present invention;
fig. 4 is a cross-sectional view of the left side view of fig. 3.
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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
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 double polishing channel polishing device for the bio-ceramic artificial joint spherical surface of the present invention is an embodiment of the double polishing channel polishing device for the bio-ceramic artificial joint spherical surface, which includes a polishing main body 1, a left end cap 2, a right end cap 3, a double-headed screw 4, a driving device 5, a magnetorheological polishing solution 6 and a coil 7, wherein a first through hole penetrating through the polishing main body 1 from left to right is formed in the middle of the polishing main body 1, the double-headed screw 4 penetrates through the first through hole, one end of the double-headed screw 4 is connected to the driving device 5, a first spiral groove 8 and a second spiral groove 9 are formed on the double-headed screw 4, a third spiral groove 10 adapted to the first spiral groove 8 is formed in an inner side wall of the first through hole, and a fourth spiral groove 11 adapted to the second spiral groove 9 is further formed in an inner side wall;
the polishing main body 1 is provided with an upper delivery hole 12 and a lower delivery hole 13 at the upper and lower sides of the first through hole, the polishing main body 1 is divided into a left upper end surface, a left lower end surface, a right upper end surface and a right lower end surface by taking the first through hole as a boundary, the left upper end surface and the left lower end surface are not in the same vertical plane, the right upper end surface and the right lower end surface are not in the same vertical plane, the left upper end surface is provided with a vertical first half groove 14, the upper part of the left end cover 2 is provided with a second half groove 15, the first half groove 14 and the second half groove 15 form a first conveying hole, a vertical third half groove 16 is arranged on the right upper end surface, the upper part of the right end cover 3 is provided with a fourth half groove 17, the third half groove 16 and the fourth half groove 17 form a second conveying hole, the top of the first conveying hole and the top of the second conveying hole are respectively connected with two ends of the upper conveying hole 12, the bottom of the first conveying hole and the bottom of the second conveying hole are respectively communicated with the first spiral groove 8;
the left lower end face is provided with a vertical fifth half groove 18, the lower part of the left end cover 2 is provided with a sixth half groove 19, the fifth half groove 18 and the sixth half groove 19 form a third conveying hole, the right lower end face is provided with a vertical seventh half groove 20, the lower part of the right end cover 3 is provided with an eighth half groove 21, the seventh half groove 20 and the eighth half groove 21 form a fourth conveying hole, the bottom of the third conveying hole and the bottom of the fourth conveying hole are respectively communicated with two ends of the lower conveying hole 13, and the top of the third conveying hole and the top of the fourth conveying hole are respectively communicated with the second spiral groove 9;
an upper injection port 22 communicated with the upper conveying hole 12 is formed in the polishing main body 1, and a lower injection port 23 communicated with the lower conveying hole 13 is formed in the polishing main body 1;
the left end cover 2 is also provided with a fifth spiral groove 24 matched with the first spiral groove 8, and the right end cover 3 is also provided with a sixth spiral groove 25 matched with the second spiral groove 9;
the left end cover 2 and the right end cover 3 are both provided with second through holes 30 for the double-headed screw rod 4 to pass through;
the upper conveying hole 12, the first conveying hole, the first spiral groove 8, the third spiral groove 10, the fifth spiral groove 24 and the second conveying hole form a first polishing channel, the lower conveying hole 13, the third conveying hole, the second spiral groove 9, the fourth spiral groove 11, the sixth spiral groove 25 and the fourth conveying hole form a second polishing channel, the magnetorheological polishing liquid 6 is arranged in the first polishing channel and the second polishing channel, and the coil 7 is fixed in the polishing main body 1.
In order to improve the sealing performance, the sealing rings 26 may be disposed in the second through hole 30 of the left end cap 2 and the second through hole 30 of the right end cap 3, the sealing rings 26 may be made of a sealing material such as rubber, and preferably, the sealing rings 26 can extend into the spiral groove of the double-headed screw 4 to improve the sealing performance.
In order to control the operation of the double-threaded screw 4, the two ends of the double-threaded screw 4 are provided with stoppers 27, the stoppers 27 can be photoelectric stoppers 27 or touch stoppers 27, and the movement of the double-threaded screw 4 is controlled by the stoppers 27 controlling the forward rotation and the reverse rotation of the driving device 5.
In addition, in order to ensure that the filled magnetorheological polishing fluid 6 and the polishing piece 29 cannot escape from the polishing channel, sealing plugs 28 are arranged in the upper injection port 22 and the lower injection port 23.
When the polishing device is used, the sealing plug 28 is opened, magnetorheological polishing liquid 6 is injected into the first polishing channel and the second polishing channel, then the coil 7 is electrified to generate a magnetic field, the magnetorheological polishing liquid 6 which is too solid is converted into the solid-like magnetorheological brush under the action of the magnetic field, then the magnetorheological brush is placed into the polishing piece 29, the polishing piece 29 can be placed into the first polishing channel, the sealing plug 28 seals the upper injection port 22, the whole polishing device is turned over for 180 degrees, the lower injection port 23 is upward, the lower injection port 23 is sealed after the polishing piece 29 is placed, the same operation can be adopted when the magnetorheological polishing liquid 6 is injected, the driving device 5 is started, the general driving device 5 is a motor, the double-head screw rod 4 rotates to drive the polishing piece 29 in the first polishing channel and the second polishing channel to move, the polishing piece 29 is polished, the limiting device 27 records the movement distance of the double-head screw rod 4, and controls the driving device 5 to rotate reversely in time, and continuously polishing the polished part 29 by the magnetorheological brush, finally reaching the required polishing precision, stopping the driving device 5, disconnecting the power supply of the coil 7, opening the sealing plug 28, and taking out the polished part 29.
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 (4)
1. The utility model provides a two polishing passageway burnishing device are used to biological ceramic artificial joint sphere which characterized in that: the magnetorheological polishing device comprises a polishing main body (1), a left end cover (2), a right end cover (3), a double-end screw (4), a driving device (5), magnetorheological polishing liquid (6) and a coil (7), wherein a first through hole penetrating through the polishing main body (1) from left to right is formed in the middle of the polishing main body (1), the double-end screw (4) penetrates through the first through hole, one end of the double-end screw (4) is connected with the driving device (5), a first spiral groove (8) and a second spiral groove (9) are formed in the double-end screw (4), a third spiral groove (10) matched with the first spiral groove (8) is formed in the inner side wall of the first through hole, and a fourth spiral groove (11) matched with the second spiral groove (9) is further formed in the inner side wall of the first through hole;
the polishing device is characterized in that an upper conveying hole (12) is formed in the upper side, located in a first through hole, of the polishing main body (1), a lower conveying hole (13) is formed in the lower side, located in the first through hole, of the polishing main body (1), the polishing main body (1) is divided into a left upper end face, a left lower end face, a right upper end face and a right lower end face by taking the first through hole as a boundary, the left upper end face and the left lower end face are not located in the same vertical plane, the right upper end face and the right lower end face are not located in the same vertical plane, a vertical first half groove (14) is formed in the left upper end face, a second half groove (15) is formed in the upper portion of the left end cover (2), the first conveying hole is formed in the first half groove (14) and the second half groove (15), a vertical third half groove (16) is formed in the right upper end face, a fourth half groove (17) is formed in the upper portion of the right end cover (3), and the third half groove (16) and the fourth half groove (17, the top of the first conveying hole and the top of the second conveying hole are respectively connected with two ends of an upper conveying hole (12), and the bottom of the first conveying hole and the bottom of the second conveying hole are respectively communicated with a first spiral groove (8); the left lower end face is provided with a vertical fifth half groove (18), the lower part of the left end cover (2) is provided with a sixth half groove (19), the fifth half groove (18) and the sixth half groove (19) form a third conveying hole, the right lower end face is provided with a vertical seventh half groove (20), the lower part of the right end cover (3) is provided with an eighth half groove (21), the seventh half groove (20) and the eighth half groove (21) form a fourth conveying hole, the bottom of the third conveying hole and the bottom of the fourth conveying hole are respectively communicated with two ends of the lower conveying hole (13), and the top of the third conveying hole and the top of the fourth conveying hole are respectively communicated with the second spiral groove (9);
an upper injection port (22) communicated with the upper conveying hole (12) is formed in the polishing main body (1), and a lower injection port (23) communicated with the lower conveying hole (13) is formed in the polishing main body (1);
a fifth spiral groove (24) matched with the first spiral groove (8) is also formed on the left end cover (2),
a sixth spiral groove (25) matched with the second spiral groove (9) is formed in the right end cover (3);
the left end cover (2) and the right end cover (3) are respectively provided with a second through hole (30) for the double-thread screw (4) to pass through;
go up delivery hole (12), first delivery hole, first helicla flute (8), third helicla flute (10), fifth helicla flute (24) and second delivery hole and constitute first polishing passageway, delivery hole (13), third delivery hole, second helicla flute (9), fourth helicla flute (11), sixth helicla flute (25) and fourth delivery hole constitute the second and polish the passageway down, all be equipped with in first polishing passageway and the second polishing passageway magnetorheological suspensions polishing solution (6), coil (7) are fixed in polishing main part (1).
2. The double polishing channel polishing device for the spherical surface of the bioceramic artificial joint as recited in claim 1, wherein: and sealing rings (26) are arranged in the second through hole (30) of the left end cover (2) and the second through hole (30) of the right end cover (3).
3. The double polishing channel polishing device for the spherical surface of the bioceramic artificial joint as recited in claim 1, wherein: both ends of the double-end screw rod (4) are provided with a limiter (27).
4. The double polishing channel polishing device for the spherical surface of the bioceramic artificial joint as recited in claim 1, wherein: and sealing plugs (28) are arranged in the upper injection port (22) and the lower injection port (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648620.9A CN110253416B (en) | 2019-07-18 | 2019-07-18 | Biological pottery artificial joint sphere is with two polishing passageway burnishing devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648620.9A CN110253416B (en) | 2019-07-18 | 2019-07-18 | Biological pottery artificial joint sphere is with two polishing passageway burnishing devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110253416A CN110253416A (en) | 2019-09-20 |
| CN110253416B true CN110253416B (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910648620.9A Active CN110253416B (en) | 2019-07-18 | 2019-07-18 | Biological pottery artificial joint sphere is with two polishing passageway burnishing devices |
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| CN (1) | CN110253416B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858723A (en) * | 2015-05-26 | 2015-08-26 | 浙江师范大学 | Spiral magneto-rheological brush polishing machine for non-magnetic elements |
| CN106863020A (en) * | 2017-01-20 | 2017-06-20 | 上海理工大学 | Spiral magnetorheological finishing device |
| CN107855834A (en) * | 2017-10-26 | 2018-03-30 | 广东工业大学 | A kind of rolling bearing type magnetorheological finishing device of high-precision ceramic balls |
| CN107877269A (en) * | 2017-10-26 | 2018-04-06 | 广东工业大学 | The device and polishing method of a kind of magnetorheological efficiently polishing high-precise ball of cluster |
| 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 |
| US10245701B2 (en) * | 2017-01-13 | 2019-04-02 | Kunshan Nano New Material Technology Co., Ltd. | 3D magnetorheological polishing device and magnetorheological polishing fluid |
-
2019
- 2019-07-18 CN CN201910648620.9A patent/CN110253416B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858723A (en) * | 2015-05-26 | 2015-08-26 | 浙江师范大学 | Spiral magneto-rheological brush polishing machine for non-magnetic elements |
| US10245701B2 (en) * | 2017-01-13 | 2019-04-02 | Kunshan Nano New Material Technology Co., Ltd. | 3D magnetorheological polishing device and magnetorheological polishing fluid |
| CN106863020A (en) * | 2017-01-20 | 2017-06-20 | 上海理工大学 | Spiral magnetorheological finishing device |
| CN107855834A (en) * | 2017-10-26 | 2018-03-30 | 广东工业大学 | A kind of rolling bearing type magnetorheological finishing device of high-precision ceramic balls |
| CN107877269A (en) * | 2017-10-26 | 2018-04-06 | 广东工业大学 | The device and polishing method of a kind of magnetorheological efficiently polishing high-precise ball of cluster |
| 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 |
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|---|---|
| CN110253416A (en) | 2019-09-20 |
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Denomination of invention: A double polishing channel polishing device for spherical surface of bioceramic artificial joint Effective date of registration: 20221205 Granted publication date: 20210219 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Branch Pledgor: CANWELL MEDICAL Co.,Ltd. Registration number: Y2022330003493 |
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Date of cancellation: 20231205 Granted publication date: 20210219 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Branch Pledgor: CANWELL MEDICAL Co.,Ltd. Registration number: Y2022330003493 |
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Denomination of invention: A Double Polishing Channel Polishing Device for Bioceramic Artificial Joint Spherical Surface Granted publication date: 20210219 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Branch Pledgor: CANWELL MEDICAL Co.,Ltd. Registration number: Y2024980000673 |
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