CN112454144A - Device for polishing outer circle of sapphire - Google Patents
Device for polishing outer circle of sapphire Download PDFInfo
- Publication number
- CN112454144A CN112454144A CN202011346332.7A CN202011346332A CN112454144A CN 112454144 A CN112454144 A CN 112454144A CN 202011346332 A CN202011346332 A CN 202011346332A CN 112454144 A CN112454144 A CN 112454144A
- Authority
- CN
- China
- Prior art keywords
- polishing
- disk
- sapphire
- swing arm
- circular grooves
- 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.)
- Pending
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Classifications
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- 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
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- 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
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- 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
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- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- 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
Abstract
The invention discloses a device for polishing the excircle of sapphire, which comprises a polisher shell, a polishing component, a clamp component, a swing arm component and an automatic dropping device, wherein the polishing component comprises a polishing disk which is arranged in a polishing groove and horizontally rotates by the central axis of the polishing groove and a polishing pad which is arranged at the top of the polishing disk, the clamp component comprises a cylindrical disk and a cutting ferrule ring, the side edge of the cylindrical disk is annularly provided with a plurality of circular grooves, the circular grooves penetrate through the bottom of the cylindrical disk, a sapphire crystal rod is coaxially inserted into the cylindrical disk, the sapphire crystal rod is contacted with the top surface of the polishing pad, the sapphire crystal rod is used as a roller by driving the polishing disk to rotate, so that the clamp component, the polishing disk and the sapphire crystal rod generate relative motion, meanwhile, the swing arm component swings back and forth to enable the clamp component to reciprocate between the center and the outer edge of the polishing disk to generate grinding, and the automatic dropping device automatically drops, the sapphire outer circle is ground together with the polishing pad, and an accurate polishing effect is achieved.
Description
Technical Field
The invention relates to the technical field of polishing equipment, in particular to a device for polishing an excircle of sapphire.
Background
At present, cylindrical polishing equipment for cylindrical sapphire bars is few, and precision polishing of the outer circle of the sapphire material is difficult to realize. Generally speaking, the polishing dish needs to be used in the polishing, but still has the problem of unable stable centre gripping polishing to the excircle polishing of sapphire bar, adopts manual polishing at present mostly, and manual polishing leads to the whole polishing effect of sapphire poor, and the precision nature is low.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art polishing of cylindrical sapphire bars.
Therefore, the invention aims to provide a device for polishing the excircle of sapphire, which replaces the traditional manual polishing by mechanical clamping polishing and improves the overall polishing effect and precision of the sapphire.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
an apparatus for polishing a sapphire outer circle, comprising:
the top of the polishing machine shell is provided with a polishing groove;
the polishing assembly comprises a polishing disk and a polishing pad, wherein the polishing disk is arranged in the polishing groove and horizontally rotates around the central axis of the polishing groove, and the polishing pad is detachably arranged on the top of the polishing disk;
the clamp assembly is positioned at the upper part of the polishing pad and comprises a cylindrical disk and a clamping sleeve ring, wherein the side edge of the cylindrical disk is annularly provided with a plurality of circular grooves, the circular grooves penetrate through the bottom of the cylindrical disk, a sapphire crystal rod is coaxially inserted into the circular grooves, the sapphire crystal rod is contacted with the top surface of the polishing pad, and the clamping sleeve ring is clamped on the outer wall of the cylindrical disk to partially seal the circular grooves;
the swing arm assembly comprises a swing arm with a forked head end, two rotating wheels arranged at the head end of the swing arm and a rotating shaft vertically arranged at the tail end of the swing arm and penetrating into the shell of the polishing machine, and the two rotating wheels are matched with the outer wall of the clamping sleeve ring;
the automatic dropping device is internally provided with a diamond suspension liquid, the diamond suspension liquid is provided with a dropping pipe, and the liquid outlet end of the dropping pipe points to the center of the polishing pad;
when the polishing disc rotates, the sapphire crystal bar is driven to roll, the clamp assembly is simultaneously triggered to rotate, and the swing arm assembly swings back and forth, so that the clamp assembly moves back and forth between the center and the outer edge of the polishing disc.
The polishing machine further comprises a polishing disk drive motor, wherein the polishing disk drive motor is arranged in the polishing machine shell, and the output end of the polishing disk drive motor extends into the polishing groove and is connected with the bottom center of the polishing disk.
The polishing machine further comprises a swing driving part arranged in the polishing machine shell, and the swing driving part is connected with the end part of the rotating shaft and drives the swing arm assembly to swing back and forth.
In a preferred embodiment of the present invention, the dropping speed of the automatic dropping device is 0.075 ml/s.
In a preferred embodiment of the present invention, the number of the circular grooves is four, and the circular grooves are distributed at intervals of ninety degrees between adjacent circular grooves.
As a preferable scheme of the present invention, the outer wall of the cylindrical disk is further provided with a plurality of limiting blocks, and when the ferrule is fitted on the cylindrical disk, the ferrule is fixed to the limiting blocks.
Compared with the prior art, the invention has the beneficial effects that: through driving the polishing dish rotation, sapphire crystal stick is as the roller for anchor clamps subassembly, polishing dish and sapphire crystal stick, the three produces relative motion, and swing arm subassembly back and forth swing simultaneously makes anchor clamps subassembly reciprocating motion between the center of polishing dish and outer fringe, produces the grinding, and automatic dropping device instils into diamond suspension voluntarily, together grinds the sapphire excircle with the polishing pad, reaches accurate polishing effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic view of the overall structure of an apparatus for polishing an outer periphery of sapphire according to the present invention;
FIG. 2 is a schematic view of the fixture assembly of FIG. 1 integrally mounted with a sapphire crystal rod in accordance with an embodiment of the present invention;
FIG. 3 is an exploded view of the fixture assembly of FIG. 2 integrally mounted with a sapphire crystal rod in accordance with an apparatus for polishing a sapphire outer circle provided in the present invention;
fig. 4 is a schematic structural view of a swing arm assembly in fig. 1 of an apparatus for polishing a sapphire outer circle according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a device for polishing an excircle of sapphire, which replaces the traditional manual polishing by mechanical clamping polishing, and improves the overall polishing effect and precision of the sapphire.
Referring to fig. 1 to 4, which are schematic structural views illustrating an embodiment of an apparatus for polishing a sapphire outer circle according to the present invention, a main body of the apparatus for polishing a sapphire outer circle includes a polisher housing 100, a polishing assembly 200, a jig assembly 300, a swing arm assembly 400, and an automatic dispenser 500.
The top of the polisher housing 100 defines a polishing receptacle 110 for mounting to the polishing assembly 200.
The polishing assembly 200 includes a polishing disk 210 disposed in the polishing receptacle 110 and horizontally rotating around the central axis of the polishing receptacle 110, and a polishing pad 220 detachably disposed on the top of the polishing disk 210, and in particular, in this embodiment, a polishing disk driving motor (not shown) is disposed in the polishing machine housing 100, and an output end of the polishing disk driving motor extends into the polishing receptacle 110 and is connected to the bottom center of the polishing disk 210 for driving the polishing disk 210 to horizontally rotate in the polishing receptacle 110.
The jig assembly 300 is used to mount the sapphire crystal rod H and to polish the sapphire crystal rod H in cooperation with the polishing assembly 200, and in the present embodiment, the jig assembly 300 is located at the upper portion of the polishing pad 220, which comprises a cylindrical disk 310 with a plurality of circular grooves 310a on the side edge in a ring shape and a clamping sleeve ring 320, wherein the circular grooves 310a penetrate through the bottom of the cylindrical disk 310, the sapphire crystal rods H are coaxially inserted into the inner part of the roller, the number of the circular grooves is four, the circular grooves are distributed at intervals of ninety degrees, when two aligned sapphire crystal rods H roll as rollers, the other two aligned sapphire crystal rods H and the polishing pad 220 generate relative motion, the sapphire crystal rods H are in contact with the top surface of the polishing pad 220, the ferrule ring 320 is fitted on the outer wall of the cylindrical disk 310 to partially close the circular groove 310a, so as to prevent the sapphire crystal rod H from coming out of the circular groove 310a during the lapping process. When the polishing plate 210 rotates horizontally at a high speed, the sapphire crystal rod H is driven to perform rolling motion, and the clamp assembly 300 is caused to rotate. Preferably, the outer wall of the cylindrical disk 310 is further provided with a plurality of limit blocks 310b, and when the ferrule ring 320 is fitted on the cylindrical disk 310, the ferrule ring 320 is fastened and fixed with the limit blocks 310 b.
The swing arm assembly 400 is used for reciprocating the clamp assembly 300 between the center and the outer edge of the polishing disk 13, specifically, in the embodiment, the swing arm assembly 400 comprises a swing arm 410 with a forked head end, two rotating wheels 420 arranged at the head end of the swing arm 410, and a rotating shaft 430 vertically arranged at the tail end of the swing arm 410 and penetrating into the polishing machine housing 100, wherein the two rotating wheels 420 are engaged with the outer wall of the ferrule 320. When the polishing platter 210 causes the chuck assembly 300 to rotate, the chuck assembly 300 moves toward the edge of the polishing platter 210 due to the centrifugal force and is then separated from the edge of the polishing platter 210, and for this reason, the chuck assembly 300 is moved back and forth between the center and the outer edge of the polishing platter 13 by the swing of the swing arm assembly 400. Preferably, in the present embodiment, a swing driving member is provided in the polisher case 100, and the swing driving member is connected to an end of the rotation shaft to drive the swing arm assembly to swing back and forth.
The automatic dropping device 500 is provided with a diamond suspension inside, and the diamond suspension is dropped into the center of the polishing pad 220 by the liquid outlet end of the dropping pipe 510 pointing to the center of the polishing pad 220. Preferably, in the present embodiment, the automatic dispenser 500 is provided on the polisher housing 100.
With reference to fig. 1 to 4, the device for polishing the outer circle of sapphire according to the embodiment has the following specific use process: through driving polishing dish 210 rotation, it is rolling motion to drive sapphire crystal stick H, cause anchor clamps subassembly 300 to do the syntropy rotation simultaneously, sapphire crystal stick H is as the roller, make anchor clamps subassembly 300, polishing dish 210 and sapphire crystal stick H, the three produces relative motion, the swing arm subassembly 400 is the back and forth movement simultaneously, make anchor clamps subassembly 300 reciprocating motion between the center of polishing dish 210 and the outer fringe, produce the grinding, and automatic dropping device 500 instils into diamond suspension automatically, grind the sapphire excircle with polishing pad 220 together, reach accurate polishing effect.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. An apparatus for polishing a sapphire outer circle, comprising:
a polishing groove (110) is arranged at the top of the polishing machine shell (100);
a polishing assembly (200) including a polishing disk (210) disposed in the polishing receptacle (110) and horizontally rotatable about a central axis of the polishing receptacle (110), and a polishing pad (220) removably disposed on top of the polishing disk (210);
the clamp assembly (300) is positioned at the upper part of the polishing pad (220) and comprises a cylindrical disk (310) and a clamping ring (320), wherein the side edge of the cylindrical disk (310) is provided with a plurality of circular grooves (310 a) in an annular shape, the circular grooves (310 a) penetrate through the bottom of the cylindrical disk (310), a sapphire crystal rod (H) is coaxially inserted into the circular grooves, the sapphire crystal rod (H) is in contact with the top surface of the polishing pad (220), and the clamping ring (320) is clamped on the outer wall of the cylindrical disk (310) to partially seal the circular grooves (310 a);
the swing arm assembly (400) comprises a swing arm (410) with a forked head end, two rotating wheels (420) arranged at the head end of the swing arm (410), and a rotating shaft (430) vertically arranged at the tail end of the swing arm (410) and penetrating into the polishing machine shell (100), wherein the two rotating wheels (420) are matched with the outer wall of the clamping ring (320);
the automatic dropping device (500) is internally provided with a diamond suspension, and is provided with a dropping pipe (510), and the liquid outlet end of the dropping pipe (510) points to the central position of the polishing pad (220);
when the polishing disk (210) rotates, the sapphire crystal rod (H) is driven to do rolling motion, the clamp assembly (300) is caused to rotate, and the swing arm assembly (400) swings back and forth, so that the clamp assembly (300) moves back and forth between the center and the outer edge of the polishing disk 13.
2. The apparatus of claim 1, further comprising a polishing disk drive motor disposed in said polisher housing (100) and having an output end extending into said polishing receptacle (110) and connected to a bottom center of said polishing disk (210).
3. The apparatus of claim 1, further comprising a swing driving part disposed in the polisher housing (100), the swing driving part being connected to an end of the rotating shaft (430) to drive the swing arm assembly (400) to swing back and forth.
4. The apparatus of claim 1, wherein the dropping speed of the automatic dropping device (500) is 0.075 ml/s.
5. The apparatus of claim 1, wherein the number of the circular grooves (310 a) is four and the circular grooves are arranged at ninety degrees intervals between adjacent circular grooves.
6. The device for polishing the outer circle of sapphire as claimed in claim 1, wherein the outer wall of the cylindrical disk (310) is further provided with a plurality of stop blocks (310 b), and when the snap ring (320) is snapped on the cylindrical disk (310), the snap ring (320) is fixed with the stop blocks (310 b) in a snap fit manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011346332.7A CN112454144A (en) | 2020-11-25 | 2020-11-25 | Device for polishing outer circle of sapphire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011346332.7A CN112454144A (en) | 2020-11-25 | 2020-11-25 | Device for polishing outer circle of sapphire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112454144A true CN112454144A (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011346332.7A Pending CN112454144A (en) | 2020-11-25 | 2020-11-25 | Device for polishing outer circle of sapphire |
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| Country | Link |
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| CN (1) | CN112454144A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5649849A (en) * | 1995-03-24 | 1997-07-22 | Eastman Kodak Company | Method and apparatus for realtime monitoring and feedback control of the shape of a continuous planetary polishing surface |
| CN105751065A (en) * | 2016-04-27 | 2016-07-13 | 昆山科森科技股份有限公司 | Polishing jig for hollow cylinders |
| CN109202558A (en) * | 2018-09-25 | 2019-01-15 | 天通银厦新材料有限公司 | A kind of sapphire ingot heavy duty detergent outer surface grinding device |
| CN211992443U (en) * | 2020-04-14 | 2020-11-24 | 昂士特科技(深圳)有限公司 | Chemical mechanical polishing equipment with workpiece swinging device |
| CN211992397U (en) * | 2020-05-02 | 2020-11-24 | 青岛海泰光电技术有限公司 | Plane polishing device for optical crystal component |
-
2020
- 2020-11-25 CN CN202011346332.7A patent/CN112454144A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5649849A (en) * | 1995-03-24 | 1997-07-22 | Eastman Kodak Company | Method and apparatus for realtime monitoring and feedback control of the shape of a continuous planetary polishing surface |
| CN105751065A (en) * | 2016-04-27 | 2016-07-13 | 昆山科森科技股份有限公司 | Polishing jig for hollow cylinders |
| CN109202558A (en) * | 2018-09-25 | 2019-01-15 | 天通银厦新材料有限公司 | A kind of sapphire ingot heavy duty detergent outer surface grinding device |
| CN211992443U (en) * | 2020-04-14 | 2020-11-24 | 昂士特科技(深圳)有限公司 | Chemical mechanical polishing equipment with workpiece swinging device |
| CN211992397U (en) * | 2020-05-02 | 2020-11-24 | 青岛海泰光电技术有限公司 | Plane polishing device for optical crystal component |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210309 |
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| RJ01 | Rejection of invention patent application after publication |