CN114211315A - High-speed constant-force floating quartz crucible chamfering grinding wheel device - Google Patents
High-speed constant-force floating quartz crucible chamfering grinding wheel device Download PDFInfo
- Publication number
- CN114211315A CN114211315A CN202111524205.6A CN202111524205A CN114211315A CN 114211315 A CN114211315 A CN 114211315A CN 202111524205 A CN202111524205 A CN 202111524205A CN 114211315 A CN114211315 A CN 114211315A
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- China
- Prior art keywords
- grinding wheel
- chamfering
- chamfering grinding
- quartz crucible
- floating
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a high-speed constant-force floating quartz crucible chamfering grinding wheel device which comprises a chamfering grinding wheel device, wherein the chamfering grinding wheel device comprises a chamfering grinding wheel, the chamfering grinding wheel is installed on an electric main shaft, the electric main shaft is installed on a pneumatic floating device, and the pneumatic floating device is connected with a six-axis robot arm; the chamfering grinding wheel is of a disc-shaped structure, and the outer edge of the chamfering grinding wheel is at an oblique angle of 45 degrees. The invention designs a high-speed chamfering grinding wheel with an oblique angle of 45 degrees, which is arranged on an electric spindle, the electric spindle is arranged on a pneumatic floating device, and the pneumatic floating device is arranged on a six-axis robot arm, so that flexible processing of various crucibles is realized. And the phenomenon of obvious edge breakage does not occur, the surface of the chamfer surface is smooth and has no wave, the effect is good, and the automatic production of multiple varieties in batches can be realized. The floating mechanism can realize constant-force grinding chamfering, the condition that the roundness of the crucible can be generally 2mm-4mm and uniform chamfering can still be realized is met, and flexible production of inner and outer chamfers of various crucibles is realized.
Description
Technical Field
The invention relates to the field of quartz crucibles, in particular to a high-speed constant-force floating chamfering grinding wheel device for a quartz crucible.
Background
The quartz crucible is applied to crystal pulling of a single crystal furnace in the fields of solar energy and semiconductors, belongs to consumable materials, is large in usage amount, is produced by adopting a melting method, has the mouth part with flash, uneven wall thickness, horn mouth, necking and the like, needs to be cut by adopting a diamond cutter, and can have more or less broken edges and gaps after the brittle material is cut. Then, chamfering is carried out by adopting a tool, the traditional horizontal lathe transformation type machine tool machining is carried out by adopting an inner chamfering grinding wheel and a cutting knife synchronously, more or less broken edges are left after cutting and chamfering, even the phenomenon that the local part can not be chamfered because the roundness deviation of the crucible exceeds 3mm, and then grinding and finishing are carried out by adopting an artificial angle grinder. The outer chamfer is directly polished by an angle grinder. The method has low processing efficiency and is highly dependent on the skill of workers, and the processed products have poor consistency.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a high-speed constant-force floating quartz crucible chamfering grinding wheel device to solve at least one technical problem.
The technical scheme of the invention is as follows: a high-speed constant-force floating quartz crucible chamfering grinding wheel device comprises a chamfering grinding wheel device and is characterized in that the chamfering grinding wheel device comprises a chamfering grinding wheel, the chamfering grinding wheel is installed on an electric main shaft, the electric main shaft is installed on a pneumatic floating device, and the pneumatic floating device is connected with a six-shaft robot arm;
the chamfering grinding wheel is of a disc-shaped structure, the outer edge of the chamfering grinding wheel is at an oblique angle of 45 degrees, and the working direction of the chamfering grinding wheel device faces towards the quartz crucible.
The invention designs a high-speed chamfering grinding wheel with an oblique angle of 45 degrees, which is arranged on an electric spindle, the electric spindle is arranged on a pneumatic floating device, and the pneumatic floating device is arranged on a six-axis robot arm, so that flexible processing of various crucibles is realized. And the phenomenon of obvious edge breakage does not occur, the surface of the chamfer surface is smooth and has no wave, the effect is good, and the automatic production of multiple varieties in batches can be realized. The automatic chamfering machine can be applied to automatic chamfering, solves the problem that manual chamfering depends on personal experience skills seriously, adopts a mode of sensing edge breakage by bare hands and then manually grinding by an angle grinder, and solves the problems of poor consistency and high labor intensity of manual grinding. The grinding wheel is arranged on the high-speed electric spindle, so that high-speed, smooth and clean chamfering is realized. The floating mechanism can realize constant-force grinding chamfering, and the condition that the roundness of the crucible is generally 2mm-4mm and uniform chamfering can still be realized is met. The chamfering device is arranged on the six-axis robot arm, and flexible production of inner and outer chamfers of various crucibles is realized.
Further preferably, the bevel angle grinding wheel is sintered by 140# carborundum with the diameter of 60-100 and the thickness of 5-8 mm. The small rotational inertia is suitable for high-speed chamfering, and the grinding surface has good smoothness, no wave and no broken edge.
More preferably, the bevel angle grinding wheel is sintered by 140# carborundum with the diameter phi of 80 mm and the thickness of 6 mm.
Further preferably, the rotating speed of the electric spindle is 6000rpm-12000rpm, and the rotating speed of the quartz crucible is 5-8 rpm. The pneumatic floating mechanism is combined, the uniform chamfering of C3 can be realized under the condition that the brittle material quartz crucible jumps by 3mm, edge breakage and wave fluctuation are avoided, the surface is smooth, and the floating chamfering of multiple specifications can be realized under the flexible condition of the robot.
More preferably, the electric spindle rotation speed is 8000 rpm.
Further preferably, the electric spindle is a waterproof electric spindle. The processing capacity is strong by adopting the process rotating speed.
Further preferably, the floating range of the cylinder constant force floating mechanism is +/-5 mm. Can adapt to the uniform chamfer angle of the crucible with the roundness in the range of 4 mm.
Further preferably, compressed air of the cylinder constant force floating mechanism enters the electric proportional valve after passing through the filtering and pressure reducing unit, required pressure is set by software, the inlet and outlet directions of the cylinder are controlled by the three-point valve, the purpose that the cylinder can float within +/-7.5 of bidirectional constant force is achieved, and chamfering inside and outside the crucible can be carried out.
The robot teaching positions the grinding wheel to the middle point, and can meet the requirement of uniform chamfering of 3mm jumping of the quartz crucible.
Further preferably, the cylinder constant force floating mechanism can float up and down and float left and right. Thereby making it easier to adjust the position for uniform chamfering.
Drawings
FIG. 1 is a schematic view of the overall construction of a chamfering wheel apparatus according to the present invention;
FIG. 2 is a schematic view of the chamfer grinding wheel of the present invention.
In the figure: 1. a six-axis robot arm; 2. a pneumatic float device; 3. an electric spindle; 4. chamfering the grinding wheel; 5. a quartz crucible is provided.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, the high-speed constant-force floating quartz crucible chamfering grinding wheel device comprises a chamfering grinding wheel device, wherein the chamfering grinding wheel device comprises a chamfering grinding wheel 4, the chamfering grinding wheel is installed on an electric spindle 3, the electric spindle is installed on a pneumatic floating device 2, and the pneumatic floating device is connected with a six-axis robot arm 1; the chamfering grinding wheel is of a disc-shaped structure, the outer edge of the chamfering grinding wheel is at an oblique angle of 45 degrees, and the working direction of the chamfering grinding wheel device faces the quartz crucible 5.
The invention designs a high-speed chamfering grinding wheel with an oblique angle of 45 degrees, which is arranged on an electric spindle, the electric spindle is arranged on a pneumatic floating device, and the pneumatic floating device is arranged on a six-axis robot arm, so that flexible processing of various crucibles is realized. And the phenomenon of obvious edge breakage does not occur, the surface of the chamfer surface is smooth and has no wave, the effect is good, and the automatic production of multiple varieties in batches can be realized. The automatic chamfering machine can be applied to automatic chamfering, solves the problem that manual chamfering depends on personal experience skills seriously, adopts a mode of sensing edge breakage by bare hands and then manually grinding by an angle grinder, and solves the problems of poor consistency and high labor intensity of manual grinding. The grinding wheel is arranged on the high-speed electric spindle, so that high-speed, smooth and clean chamfering is realized. The floating mechanism can realize constant-force grinding chamfering, and the condition that the roundness of the crucible is generally 2mm-4mm and uniform chamfering can still be realized is met. The chamfering device is arranged on the six-axis robot arm, and flexible production of inner and outer chamfers of various crucibles is realized.
The linear velocities of the umbrella-shaped grinding head, the grinding piece, the manual chamfering cutter and the chamfering grinding wheel are contrastively analyzed as follows:
| umbrella-shaped grinding head | Polishing piece | Manual chamfering tool | Chamfering grinding wheel | |
| Diameter mm | 50 | 100 | 150 | 80 |
| Diameter mm in practical use | 25 | 80 | 150 | 80 |
| Maximum rotational speed rpm | 12000 | 12000 | 2800 | 12000 |
| Maximum linear velocity m/s | 16 | 50 | 22 | 50 |
Further preferably, the bevel angle grinding wheel is sintered by 140# carborundum with the diameter of 60-100 and the thickness of 5-8 mm. The small rotational inertia is suitable for high-speed chamfering, and the grinding surface has good smoothness, no wave and no broken edge.
More preferably, the bevel angle grinding wheel is sintered by 140# carborundum with the diameter phi of 80 mm and the thickness of 6 mm.
Further preferably, the electric spindle rotates at 6000-12000 rpm, and the quartz crucible rotates at 5-8 rpm. The pneumatic floating mechanism is combined, the uniform chamfering of C3 can be realized under the condition that the brittle material quartz crucible jumps by 3mm, edge breakage and wave fluctuation are avoided, the surface is smooth, and the floating chamfering of multiple specifications can be realized under the flexible condition of the robot.
More preferably, the electric spindle rotation speed is 8000 rpm.
Further preferably, the electric spindle is a waterproof electric spindle.
Further preferably, the floating range of the cylinder constant force floating mechanism is +/-5 mm. Can adapt to the uniform chamfer angle of the crucible with the roundness in the range of 4 mm.
Further preferably, compressed air of the cylinder constant force floating mechanism enters the electric proportional valve after passing through the filtering and pressure reducing unit, required pressure is set by software, the inlet and outlet directions of the cylinder are controlled by the three-point valve, the purpose that the cylinder can float within +/-7.5 of bidirectional constant force is achieved, and chamfering inside and outside the crucible can be carried out.
The robot teaching positions the grinding wheel to the middle point, and can meet the requirement of uniform chamfering of 3mm jumping of the quartz crucible.
Further preferably, the cylinder constant force floating mechanism can float up and down and float left and right. Thereby making it easier to adjust the position for uniform chamfering.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (8)
1. A high-speed constant-force floating quartz crucible chamfering grinding wheel device comprises a chamfering grinding wheel device and is characterized in that the chamfering grinding wheel device comprises a chamfering grinding wheel, the chamfering grinding wheel is installed on an electric main shaft, the electric main shaft is installed on a pneumatic floating device, and the pneumatic floating device is connected with a six-shaft robot arm;
the chamfering grinding wheel is of a disc-shaped structure, the outer edge of the chamfering grinding wheel is at an oblique angle of 45 degrees, and the working direction of the chamfering grinding wheel device faces towards the quartz crucible.
2. The high-speed constant-force floating quartz crucible chamfering grinding wheel device according to claim 1, wherein the bevel angle grinding wheel is sintered with 140# diamond dust with a diameter of 60-100 and a thickness of 5mm-8 mm.
3. The high-speed constant-force floating quartz crucible chamfering grinding wheel device according to claim 2, wherein the bevel angle grinding wheel is sintered by 140# carborundum with diameter of 80 mm and thickness of 6 mm.
4. The apparatus of claim 1, wherein the electric spindle rotates at 6000-12000 rpm, and the quartz crucible rotates at 5-8 rpm.
5. The high-speed constant-force floating quartz crucible chamfering grinding wheel device according to claim 4, wherein the electric spindle rotation speed is 8000 rpm.
6. The high-speed constant-force floating quartz crucible chamfering grinding wheel device according to claim 1, wherein the floating range of the cylinder constant-force floating mechanism is ± 5 mm.
7. The high-speed constant-force floating quartz crucible chamfering grinding wheel device according to claim 1, wherein compressed air of the cylinder constant-force floating mechanism enters an electric proportional valve after passing through a filtering and pressure reducing unit, required pressure is set through software, the inlet and outlet directions of the cylinder are controlled through a three-point valve, and the purpose that the cylinder can float with the bidirectional constant force of +/-7.5 is achieved.
8. The high-speed constant-force floating quartz crucible chamfering grinding wheel apparatus according to claim 1, wherein said electric spindle is a waterproof electric spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111524205.6A CN114211315A (en) | 2021-12-14 | 2021-12-14 | High-speed constant-force floating quartz crucible chamfering grinding wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111524205.6A CN114211315A (en) | 2021-12-14 | 2021-12-14 | High-speed constant-force floating quartz crucible chamfering grinding wheel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114211315A true CN114211315A (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111524205.6A Pending CN114211315A (en) | 2021-12-14 | 2021-12-14 | High-speed constant-force floating quartz crucible chamfering grinding wheel device |
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| CN (1) | CN114211315A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011011323A (en) * | 2009-07-06 | 2011-01-20 | Nakamura Tome Precision Ind Co Ltd | Method and device for chamfering hard brittle plate |
| CN106625086A (en) * | 2015-10-29 | 2017-05-10 | 襄阳金天元机电科技有限公司 | Intelligently automatic casting burr and chamfer cleaning machine |
| CN207547785U (en) * | 2017-12-18 | 2018-06-29 | 华北理工大学 | Chamfering grinding machine hand is carried out to gear face |
| CN109366302A (en) * | 2018-12-11 | 2019-02-22 | 上海远大浩博智能机器人有限公司 | One kind being suitable for the mach submissive system of processing of robot |
| CN110052839A (en) * | 2019-04-29 | 2019-07-26 | 上海中车瑞伯德智能系统股份有限公司 | A kind of weld grinding combination tool |
| CN111940842A (en) * | 2020-07-03 | 2020-11-17 | 中国第一汽车股份有限公司 | Adjustable spiral type floating chamfering tool and chamfering method |
| CN213591946U (en) * | 2020-10-30 | 2021-07-02 | 吉林省恒丰数控工具有限公司 | Novel floating chamfering device |
| CN214236329U (en) * | 2020-12-14 | 2021-09-21 | 宁波吉烨汽配模具有限公司 | Floating chamfering tool for removing processing burrs of OBC shell casting |
-
2021
- 2021-12-14 CN CN202111524205.6A patent/CN114211315A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011011323A (en) * | 2009-07-06 | 2011-01-20 | Nakamura Tome Precision Ind Co Ltd | Method and device for chamfering hard brittle plate |
| CN106625086A (en) * | 2015-10-29 | 2017-05-10 | 襄阳金天元机电科技有限公司 | Intelligently automatic casting burr and chamfer cleaning machine |
| CN207547785U (en) * | 2017-12-18 | 2018-06-29 | 华北理工大学 | Chamfering grinding machine hand is carried out to gear face |
| CN109366302A (en) * | 2018-12-11 | 2019-02-22 | 上海远大浩博智能机器人有限公司 | One kind being suitable for the mach submissive system of processing of robot |
| CN110052839A (en) * | 2019-04-29 | 2019-07-26 | 上海中车瑞伯德智能系统股份有限公司 | A kind of weld grinding combination tool |
| CN111940842A (en) * | 2020-07-03 | 2020-11-17 | 中国第一汽车股份有限公司 | Adjustable spiral type floating chamfering tool and chamfering method |
| CN213591946U (en) * | 2020-10-30 | 2021-07-02 | 吉林省恒丰数控工具有限公司 | Novel floating chamfering device |
| CN214236329U (en) * | 2020-12-14 | 2021-09-21 | 宁波吉烨汽配模具有限公司 | Floating chamfering tool for removing processing burrs of OBC shell casting |
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