CN108772764B - Precise concave polishing device - Google Patents
Precise concave polishing device Download PDFInfo
- Publication number
- CN108772764B CN108772764B CN201810490577.3A CN201810490577A CN108772764B CN 108772764 B CN108772764 B CN 108772764B CN 201810490577 A CN201810490577 A CN 201810490577A CN 108772764 B CN108772764 B CN 108772764B
- Authority
- CN
- China
- Prior art keywords
- liquid metal
- polishing
- air bag
- workpiece
- supporting plate
- 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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Links
- 238000005498 polishing Methods 0.000 title claims abstract description 126
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 84
- 239000007921 spray Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000004064 recycling Methods 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 7
- -1 gallium ions Chemical class 0.000 claims description 6
- 229910052792 caesium Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 229910001419 rubidium ion Inorganic materials 0.000 claims description 3
- 229910021645 metal ion Inorganic materials 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/26—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
-
- 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
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- 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
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a precise concave polishing device which comprises a polishing groove, a positive electrode, a workpiece supporting plate, a workpiece, an air bag liquid metal polishing machine, a central shaft, a negative electrode, a connecting piece, a normal shaft, a motor, an air pump, a spray head, a liquid metal conveying pipe and a liquid metal recycling pipe, wherein the workpiece supporting plate is arranged in the polishing groove, and a workpiece is arranged on the workpiece supporting plate; the positive electrode is arranged on one side of the workpiece supporting plate, which is far away from the air bag liquid metal polishing machine; one end of the central shaft is connected with an air bag liquid metal polishing machine, and the air bag liquid metal polishing machine and the other end of the central shaft, provided with a negative electrode central shaft, are connected with a normal shaft through a connecting piece; the rear end of the normal line shaft is connected with a motor for driving the normal line shaft to rotate; according to the invention, the liquid metal polishing liquid is adopted for polishing, metal ions in the liquid metal polishing liquid can be adsorbed on the contact surface of the air bag liquid metal polishing machine and a workpiece under the action of an electric field, and the polishing area can be polished directly through the metal ions, so that the polishing precision is higher.
Description
Technical Field
The invention relates to the technical field of liquid metal polishing liquid polishing, in particular to a precise concave polishing device.
Background
Liquid metal generally refers to alloy functional materials that are liquid at normal temperature, such as metals and their alloy materials with melting points below 30 ℃, and also includes low-melting-point alloy materials that are liquid in the operating temperature range of 40 ℃ to 300 ℃. The liquid metal polishing solution polishing technology refers to that when the liquid metal polishing solution mixed with abrasive materials moves relative to the polishing surface of a workpiece under the action of a magnetic field, a flexible grinding head on a liquid metal polishing solution wire belt generates large cutting force on the polishing surface, so that the polishing surface of the workpiece is polished. However, precision polishing of a concave surface is always a difficult point in the field of mechanical manufacturing processing, and the polishing efficiency of the concave surface is low and the polishing quality is difficult to stabilize nowadays.
Disclosure of Invention
The invention aims to solve the problem that the existing polishing process is difficult for precisely processing a concave surface, and provides a precise concave surface polishing device for polishing the concave surface by utilizing liquid metal polishing solution and air bubble inlet.
The invention realizes the above purpose through the following technical scheme: the precise concave polishing device comprises a polishing groove, a positive electrode, a workpiece supporting plate, a workpiece, an air bag liquid metal polishing machine, a central shaft, a negative electrode, a connecting piece, a normal shaft, a motor, an air pump, a spray head, a liquid metal conveying pipe and a liquid metal recycling pipe, wherein the workpiece supporting plate is arranged in the polishing groove, and a workpiece is arranged on the workpiece supporting plate; the positive electrode is arranged on one side of the workpiece supporting plate, which is far away from the air bag liquid metal polishing machine; one end of the central shaft is connected with the air bag liquid metal polishing machine, a negative electrode is arranged between the air bag liquid metal polishing machine and the central shaft, and the other end of the central shaft is connected with the normal shaft through a connecting piece; the rear end of the normal line shaft is connected with a motor for driving the normal line shaft to rotate; the air pump is connected with the air bag liquid metal polishing machine through a pipeline and charges the air bag of the air bag liquid metal polishing machine; the spray head sprays the liquid metal polishing solution recovered by the recovery hole at the bottom of the polishing groove through the liquid metal conveying pipe; the recovery hole sets up in the lowest position of polishing tank bottom, and the recovery hole is connected to the one end of liquid metal recovery pipe, and the entry of circulating pump is connected to the other end of liquid metal recovery pipe, and the shower nozzle is connected through liquid metal conveyer pipe to the export of circulating pump, and the shower nozzle is close to the contact surface of the gasbag of work piece and gaseous bubble liquid metal burnishing machine, and the circulating pump sprays liquid metal polishing liquid to the polishing contact surface through the shower nozzle.
Further, the bottom of the workpiece supporting plate is provided with a lifting table, and the lifting table drives the workpiece supporting plate and the workpiece to form a whole to move up and down.
Further, an inclination angle is arranged between the normal axis and the connecting piece.
Further, a heating device is arranged in the polishing groove.
Further, the heating device is an electric heating wire, and one strip is respectively arranged at the left side and the right side of the polishing groove.
Further, a temperature sensor for detecting the temperature of the liquid metal polishing solution in the polishing tank is also arranged in the polishing tank.
Further, the liquid metal in the liquid metal polishing solution is one or more compounds selected from gallium ions, rubidium ions and cesium ions.
The invention has the beneficial effects that:
(1) According to the polishing device, the liquid metal polishing liquid is adopted for polishing, unlike the traditional polishing, metal ions in the liquid metal polishing liquid can be adsorbed on the contact surface of the air bag liquid metal polishing machine air bag and a workpiece under the action of an electric field, the polishing area can be directly polished through the metal ions, and the polishing precision is higher.
(2) The polishing tool adopts the air bag for polishing, is different from the traditional polishing, has elasticity after the air bag is inflated, and can automatically adapt to the curved surface shape of a workpiece, so that the air bag can polish the part with the concave surface difficult to polish, and the contact area between the air bag liquid metal polishing machine and the workpiece is large, and the polishing efficiency is high.
(3) The invention adopts the cooperation rotation of the central shaft and the normal shaft, and the air bag liquid metal polishing machine adopts precession polishing, so that the polishing effect is good.
Drawings
FIG. 1 is a schematic view showing the structure of a precise polishing apparatus for a concave surface according to the present invention.
In the figure, a 1-polishing groove, a 2-positive electrode, a 3-workpiece supporting plate, a 4-workpiece, a 5-air bag liquid metal polishing machine, a 6-negative electrode, a 7-central shaft, an 8-connecting piece, a 9-normal shaft, a 10-motor, an 11-air pump, a 12-spray head, a 13-liquid metal conveying pipe, a 14-liquid metal recycling pipe, a 15-recycling hole and a 16-circulating pump are arranged.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
As shown in fig. 1, the precision polishing device for various concave surfaces comprises a polishing groove 1, a positive electrode 2, a workpiece supporting plate 3, a workpiece 4, an air bag liquid metal polishing machine 5, a central shaft 7, a negative electrode 6, a connecting piece 8, a normal shaft 9, a motor 10, an air pump 11, a spray head 12, a liquid metal conveying pipe 13 and a liquid metal recycling pipe 14, wherein the workpiece supporting plate 3 is arranged in the polishing groove 1, and the workpiece 4 is arranged on the workpiece supporting plate 3; the positive electrode 2 is arranged on one side of the workpiece supporting plate 3, which is far away from the air bag liquid metal polishing machine 5; one end of the central shaft 7 is connected with the air bag liquid metal polishing machine 5, a negative electrode 6 is arranged between the air bag liquid metal polishing machine 5 and the central shaft 7, and the other end of the central shaft 7 is connected with a normal shaft 9 through a connecting piece 8; the rear end of the normal line shaft 9 is connected with a motor 10 for driving the normal line shaft 9 to rotate; the air pump 11 is connected with the air bag liquid metal polishing machine 5 through a pipeline and inflates an air bag of the air bag liquid metal polishing machine 5; the spray head 12 sprays the liquid metal polishing solution recovered by the recovery hole 15 at the bottom of the polishing groove 1 through the liquid metal conveying pipe 13; the recovery hole 15 is arranged at the lowest position of the bottom of the polishing groove 1, one end of the liquid metal recovery pipe 14 is connected with the recovery hole 15, the other end of the liquid metal recovery pipe 14 is connected with the inlet of the circulating pump 16, the outlet of the circulating pump 16 is connected with the spray head 12 through the liquid metal conveying pipe 13, the spray head 12 is close to the contact surface of the workpiece 4 and the air bag of the air bag liquid metal polishing machine 5, and the circulating pump 16 sprays liquid metal polishing liquid on the polishing contact surface through the spray head 12.
The bottom of the workpiece supporting plate 3 is provided with a lifting table, and the lifting table drives the whole formed by the workpiece supporting plate 3 and the workpiece 4 to move up and down, so that the positioning of the workpiece 4 is finished, and the workpiece 4 is moved to a processing position.
An inclination angle is provided between the normal axis 9 and the connection piece 8. The inclination angle of the normal axis 9 and the connecting piece 8 ensures that when the normal axis 9 rotates, the rotating shafts of the air bag liquid metal polishing machine 5 and the central shaft 7 are wound around the normal axis 9, and the air bag head of the air bag liquid metal polishing machine 5 is always in contact with the concave processing surface of the workpiece.
A heating device is arranged in the polishing groove 1; the heating device is an electric heating wire, and one heating wire is respectively arranged at the left side and the right side of the polishing groove 1; and a temperature sensor for detecting the temperature of the liquid metal polishing solution in the polishing tank 1 is also arranged in the polishing tank 1.
The liquid metal in the liquid metal polishing solution is one or more compounds selected from gallium ions, rubidium ions and cesium ions.
The specific working procedure of the invention is as follows:
Firstly, a workpiece supporting plate 3 is arranged on a polishing groove, and a positive electrode 2 and a workpiece 4 are arranged on the workpiece supporting plate 3; a negative electrode is arranged on the air bag liquid metal polishing machine 5, the air bag liquid metal polishing machine 5 is arranged on the polishing groove 1, and the central shaft 7 and the normal shaft 8 are connected through a connecting piece 8; when the processing device is started, the normal axis 9 and the central axis 7 drive the air bag at the head of the air bag liquid metal polishing machine 5 to polish the workpiece 4 in a precession manner, the spray head 12 sprays liquid metal to polish the contact part of the workpiece 4 and the air bag, the lifting table on the polishing groove 1 is started, the work supporting plate 3 drives the workpiece 4 to do linear motion to polish all parts of the concave surface, and the liquid metal polishing liquid is collected through the polishing liquid recovery holes 15 and can be reused.
The above embodiments are only preferred embodiments of the present invention, and are not limiting to the technical solutions of the present invention, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present invention.
Claims (5)
1. The utility model provides a accurate burnishing device of concave surface which characterized in that: the polishing device comprises a polishing groove (1), a positive electrode (2), a workpiece supporting plate (3), a workpiece (4), an air bag liquid metal polishing machine (5), a central shaft (7), a negative electrode (6), a connecting piece (8), a normal shaft (9), a motor (10), an air pump (11), a spray head (12), a liquid metal conveying pipe (13) and a liquid metal recycling pipe (14), wherein the workpiece supporting plate (3) is arranged in the polishing groove (1), and the workpiece (4) is arranged on the workpiece supporting plate (3); the positive electrode (2) is arranged on one side of the workpiece supporting plate (3) far away from the air bag liquid metal polishing machine (5); one end of the central shaft (7) is connected with the air bag liquid metal polishing machine (5), a negative electrode (6) is arranged between the air bag liquid metal polishing machine (5) and the central shaft (7), and the other end of the central shaft (7) is connected with the normal shaft (9) through a connecting piece (8); the rear end of the normal line shaft (9) is connected with a motor (10) for driving the normal line shaft (9) to rotate; the air pump (11) is connected with the air bag liquid metal polishing machine (5) through a pipeline and inflates an air bag of the air bag liquid metal polishing machine (5); the spray head (12) sprays liquid metal polishing solution recovered by a recovery hole (15) at the bottom of the polishing groove (1) through a liquid metal conveying pipe (13); the recycling hole (15) is formed in the lowest position of the bottom of the polishing groove (1), one end of the liquid metal recycling pipe (14) is connected with the recycling hole (15), the other end of the liquid metal recycling pipe (14) is connected with the inlet of the circulating pump (16), the outlet of the circulating pump (16) is connected with the spray head (12) through the liquid metal conveying pipe (13), the spray head (12) is close to the contact surface of the workpiece (4) and the air bag of the air bag liquid metal polishing machine (5), and the circulating pump (16) sprays liquid metal polishing liquid to the polishing contact surface through the spray head (12);
A heating device is arranged in the polishing groove (1);
The liquid metal in the liquid metal polishing solution is one or more compounds selected from gallium ions, rubidium ions and cesium ions.
2. The concave precise polishing device according to claim 1, wherein: the bottom of the workpiece supporting plate (3) is provided with a lifting table, and the lifting table drives the workpiece supporting plate (3) and the workpiece (4) to form a whole to move up and down.
3. The concave precise polishing device according to claim 1, wherein: an inclined angle is arranged between the normal axis (9) and the connecting piece (8).
4. The concave precise polishing device according to claim 1, wherein: the heating device is an electric heating wire, and one strip is respectively arranged at the left side and the right side of the polishing groove (1).
5. The concave precise polishing device according to claim 1, wherein: the polishing tank (1) is also internally provided with a temperature sensor for detecting the temperature of the liquid metal polishing solution in the polishing tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490577.3A CN108772764B (en) | 2018-05-21 | 2018-05-21 | Precise concave polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490577.3A CN108772764B (en) | 2018-05-21 | 2018-05-21 | Precise concave polishing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108772764A CN108772764A (en) | 2018-11-09 |
| CN108772764B true CN108772764B (en) | 2024-06-18 |
Family
ID=64027365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490577.3A Active CN108772764B (en) | 2018-05-21 | 2018-05-21 | Precise concave polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108772764B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406451B (en) * | 2018-05-21 | 2024-05-14 | 浙江工业大学 | Spherical surface polishing and fine grinding device and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208246502U (en) * | 2018-05-21 | 2018-12-18 | 浙江工业大学 | Concave surface edge precise polishing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10175148A (en) * | 1996-10-14 | 1998-06-30 | Nikon Corp | Base material for plastic lens and manufacturing device and method therefor |
| US6706158B2 (en) * | 2001-09-28 | 2004-03-16 | Intel Corporation | Electrochemical mechanical planarization |
| US20050202754A1 (en) * | 2003-05-16 | 2005-09-15 | Bechtold Mike J. | Method, apparatus, and tools for precision polishing of lenses and lens molds |
| CN104191340B (en) * | 2014-08-29 | 2017-01-11 | 浙江工业大学 | Ultra-precision machining device based on non-Newtonian fluid shear thickening and electrolysis composition effect |
| TWI620241B (en) * | 2015-11-04 | 2018-04-01 | 詠巨科技有限公司 | Polishing assembly and chemical polishing apparatus for providing a micro electrostatic field |
| CN107175559B (en) * | 2017-03-30 | 2023-10-24 | 中国工程物理研究院激光聚变研究中心 | Fluid dynamic pressure polishing method and device |
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2018
- 2018-05-21 CN CN201810490577.3A patent/CN108772764B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208246502U (en) * | 2018-05-21 | 2018-12-18 | 浙江工业大学 | Concave surface edge precise polishing device |
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| CN108772764A (en) | 2018-11-09 |
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