CN202556161U - Aspheric polishing device based on magneto-rheologic moment servo - Google Patents
Aspheric polishing device based on magneto-rheologic moment servo Download PDFInfo
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- CN202556161U CN202556161U CN201220046607XU CN201220046607U CN202556161U CN 202556161 U CN202556161 U CN 202556161U CN 201220046607X U CN201220046607X U CN 201220046607XU CN 201220046607 U CN201220046607 U CN 201220046607U CN 202556161 U CN202556161 U CN 202556161U
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- polishing
- magnetorheological
- moment
- servo
- power shaft
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Abstract
The utility model discloses an aspheric polishing device based on a magneto-rheologic moment servo. The aspheric polishing device based on the magneto-rheologic moment servo comprises a magneto-rheologic moment servo system and a polishing system, and is characterized in that an auto-adaptive rotary mechanism is arranged between the magneto-rheologic moment servo system and the polishing system. The aspheric polishing device based on the magneto-rheologic moment servo has the advantages that due to the fact the auto-adaptive rotary mechanism is arranged between the magneto-rheologic moment servo system and the polishing system, a polishing head is capable of automatically adapting to the curvature variation of a workpiece in the process of polishing, and the polishing quality of the workpiece is improved. An air-sac type polishing head is used in the polishing system, and therefore stable and uniform normal polishing force of the whole area of a polishing surface of the workpiece is guaranteed, and the polishing quality of the workpiece is further improved. Meanwhile, the contact area between an air sac and the workpiece is large in the process of polishing, so that the polishing efficiency of the aspheric polishing device based on the magneto-rheologic moment servo is high.
Description
Technical field
The utility model relates to a kind of grinding and polishing device, relates in particular to a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment.
Background technology
Aspheric surface optical accessory is extensively applied in military affairs, Aero-Space and other high-tech area; And all need have high geometrical precision and extremely low surface roughness, so the research of aspheric surface processing technology and equipment becomes the research focus that modern precision is made.In recent ten years; The fast development of Along with computer technology and relevant science and technology such as modern control theory; The flexible manufacturing process that with the digital control processing is representative is gradually improved; Oneself processes through the automation shape that has realized curved surface basically, but present finished machined still mainly depends on experienced operator's manual operations.And rely on high-precision lathe to promote part quality, then equipment cost is very high.
The applying date is the grinding and polishing device that discloses a kind of aspheric surface optical accessory in the Chinese invention patent application that is CN201010196717.X of on 06 08th, 2010 application number; Characteristics are to comprise workbench, power shaft, output shaft, rotating shaft and be fixed on the motor on the workbench; Motor is connected with power shaft through first transmission mechanism; Be provided with magnetic flow liquid moment servomechanism installation between power shaft and the output shaft, output shaft is connected with rotating shaft through second transmission mechanism, is set with the polishing head in the rotating shaft; Advantage is owing to be provided with magnetic flow liquid moment servomechanism installation between power shaft and the output shaft; Through controlling this device; Just can control the polishing power in the polishing process in real time, and the displacement of polishing head is controlled through the displacement of workbench in the Digit Control Machine Tool, thereby realized the decoupling zero on power/position hardware unit; Solve the power in the grinding-polishing system/position coupled problem, improved the machining accuracy of grinding and polishing device and the suface processing quality of part.But this polishing head can not adapt to the curvature of workpiece to be processed automatically to be changed, thereby has limited the raising of its polishing quality.
Summary of the invention
The utility model technical problem to be solved provide a kind of curvature that can adapt to workpiece automatically change with further raising polishing quality based on the servo aspheric surface grinding and polishing device of magnetorheological moment.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment; Comprise magnetorheological torque servo system and grinding-polishing system, be provided with the self adaptation rotating mechanism between described magnetorheological torque servo system and the described grinding-polishing system.
Described self adaptation rotating mechanism comprises connection support, mount pad and threaded column; One end of described connection support is fixedly connected with described magnetorheological torque servo system; Described grinding-polishing system is fixedly installed on the described mount pad; The other end of described connection support and described mount pad are set on the described threaded column simultaneously; The rotating shaft of described threaded column and workpiece is perpendicular, and the two ends of described threaded column are bolted with nut, and described mount pad is provided with most advanced and sophisticated jackscrew; The tip of described most advanced and sophisticated jackscrew radially embeds in the described threaded column, is provided with flush end jackscrew radially between the other end of described connection support and the described threaded column.
Described magnetorheological torque servo system comprises workbench, first motor and power shaft; Described first motor is fixedly installed on the described workbench; Described power shaft is coupling on described workbench; Be provided with synchronous drive mechanism between the driving shaft of described first motor and the described power shaft, described power shaft is provided with magnetorheological impedance mechanisms, and described magnetorheological impedance mechanisms is provided with torque sensor; Be fixedly connected with the moment of torsion connector on the described torque sensor, described moment of torsion connector is fixedly connected with the described support that is connected.
Described magnetorheological impedance mechanisms comprises housing, dampened disk, magnetic flow liquid, magnetism-isolating loop and magnet exciting coil; Described housing is located on the described power shaft through the coaxial bearing sealing shroud; Described dampened disk is arranged in the described housing and is fixedly connected on the end of described power shaft; Described magnet exciting coil is arranged in the described housing and is set in outside the described dampened disk; Described magnetism-isolating loop is between described magnet exciting coil and described dampened disk; Be provided with sealing ring between described magnetism-isolating loop and the described housing, described magnetic flow liquid be filled in described dampened disk around, described torque sensor is fixedly mounted on the described housing and is coaxial with described power shaft.
The end that is provided with connecting key and described power shaft between described dampened disk and the described power shaft is provided with shaft block ring.
The material of described housing is a pure iron, and the material of described power shaft and described moment of torsion connector is stainless steel, and the material of described magnetism-isolating loop is an aluminium.
Described grinding-polishing system comprises the polishing head and second motor, and described second motor is fixedly mounted in the described mount pad, and described polishing head is connected on the driving shaft of described second motor through shaft coupling.
Described polishing head comprises retainer and air bag; Described retainer is connected with the driving shaft of described second motor through described shaft coupling; Described air bag is fixedly mounted on the described retainer through jump ring, and the leading section of described air bag is set with polishing cloth.
The material of described air bag is a rubber, and described air bag is provided with valve inside.
Compared with prior art, the utility model has the advantages that the curvature that makes the polishing head when polishing, can adapt to workpiece automatically changes owing to be provided with the self adaptation rotating mechanism between magnetorheological torque servo system and the grinding-polishing system, thereby improve the polishing quality of workpiece; Again because grinding-polishing system has adopted air bag polishing head; The whole field method that has guaranteed workpiece polishing face is stable and relatively more even to polishing power; Further improved the polishing quality of workpiece, thereby simultaneously because its polishing efficient is higher greatly with the contact area of workpiece during the air bag polishing.
Description of drawings
Fig. 1 is the user mode sketch map on the numerically controlled lathe that is installed in of the utility model;
Fig. 2 is the structural representation of the self adaptation rotating mechanism of the utility model;
Fig. 3 is the structural representation of the magnetorheological torque servo system of the utility model.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in the figure, a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment, comprise magnetorheological torque servo system and grinding-polishing system; Magnetorheological torque servo system comprises that workbench 1, first motor 2 and power shaft 3, the first motors 2 are fixedly mounted on the workbench 1, and power shaft 3 is coupling on workbench 1; Be provided with synchronous drive mechanism 4 between the driving shaft of first motor 2 and the power shaft 3, power shaft 3 is provided with magnetorheological impedance mechanisms 5, and magnetorheological impedance mechanisms comprises housing 51, dampened disk 52, magnetic flow liquid 53, magnetism-isolating loop 54 and magnet exciting coil 55; Housing 51 is located on the power shaft 3 through the coaxial bearing sealing shroud, and dampened disk 52 is arranged in the housing 51 and is enclosed within the end of power shaft 3, and the end that is provided with connecting key 56 and power shaft 3 between dampened disk 52 and the power shaft 3 is provided with shaft block ring 57; Magnet exciting coil 55 is arranged in the housing 51 and is set in outside the dampened disk 52, and magnetism-isolating loop 54 is provided with sealing ring between magnetism-isolating loop 54 and the housing 51 between magnet exciting coil 55 and dampened disk 52; Magnetic flow liquid 53 be filled in dampened disk 52 around; Be installed with torque sensor 6 and coaxial with power shaft 3 on the housing 51, be fixedly connected with moment of torsion connector 61 on the torque sensor 6, grinding-polishing system comprises retainer 81, air bag 82 and second motor 83; Retainer 81 is connected with the driving shaft of second motor 83 through shaft coupling 84; Air bag 82 is fixedly mounted on the retainer 81 through jump ring 85, and the leading section of air bag 82 is set with the polishing cloth (not shown), and air bag 82 is provided with the valve inside (not shown); Be provided with the self adaptation rotating mechanism between magnetorheological torque servo system and the grinding-polishing system; The self adaptation rotating mechanism comprises connection support 7, mount pad 8 and threaded column 9, and an end that connects support 7 is fixedly connected with moment of torsion connector 61, and second motor 83 is fixedly mounted in the mount pad 8; The other end and the mount pad 8 that connect support 7 are set on the threaded column 9 simultaneously; Threaded column 9 is perpendicular with the rotating shaft of workpiece, and the two ends of threaded column 9 are bolted with nut 91, and mount pad 8 is provided with most advanced and sophisticated jackscrew 92; The tip of most advanced and sophisticated jackscrew 92 radially embeds in the threaded column 9, is provided with flush end jackscrew 93 radially between the other end of connection support 7 and the threaded column 9.
In the foregoing description, the material of housing 51 is a pure iron, and the material of power shaft 3 and moment of torsion connector 61 is stainless steel, and the material of magnetism-isolating loop 54 is an aluminium, and the material of air bag 82 is a rubber, and synchronous drive mechanism 4 adopts synchronous pulley commonly used in the mechanical field and synchronous band.
Claims (9)
1. one kind based on the servo aspheric surface grinding and polishing device of magnetorheological moment, comprises magnetorheological torque servo system and grinding-polishing system, it is characterized in that being provided with the self adaptation rotating mechanism between described magnetorheological torque servo system and the described grinding-polishing system.
2. as claimed in claim 1 a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment; It is characterized in that described self adaptation rotating mechanism comprises connection support, mount pad and threaded column; One end of described connection support is fixedly connected with described magnetorheological torque servo system; Described grinding-polishing system is fixedly installed on the described mount pad, and the other end of described connection support and described mount pad are set on the described threaded column simultaneously, and the rotating shaft of described threaded column and workpiece is perpendicular; The two ends of described threaded column are bolted with nut; Described mount pad is provided with most advanced and sophisticated jackscrew, and the tip of described most advanced and sophisticated jackscrew radially embeds in the described threaded column, is provided with flush end jackscrew radially between the other end of described connection support and the described threaded column.
3. as claimed in claim 2 a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment; It is characterized in that described magnetorheological torque servo system comprises workbench, first motor and power shaft; Described first motor is fixedly installed on the described workbench; Described power shaft is coupling on described workbench; Be provided with synchronous drive mechanism between the driving shaft of described first motor and the described power shaft, described power shaft is provided with magnetorheological impedance mechanisms, and described magnetorheological impedance mechanisms is provided with torque sensor; Be fixedly connected with the moment of torsion connector on the described torque sensor, described moment of torsion connector is fixedly connected with the described support that is connected.
4. as claimed in claim 3 a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment; It is characterized in that described magnetorheological impedance mechanisms comprises housing, dampened disk, magnetic flow liquid, magnetism-isolating loop and magnet exciting coil; Described housing is located on the described power shaft through the coaxial bearing sealing shroud; Described dampened disk is arranged in the described housing and is fixedly connected on the end of described power shaft; Described magnet exciting coil is arranged in the described housing and is set in outside the described dampened disk, and described magnetism-isolating loop is provided with sealing ring between described magnetism-isolating loop and the described housing between described magnet exciting coil and described dampened disk; Described magnetic flow liquid be filled in described dampened disk around, described torque sensor is fixedly mounted on the described housing and is coaxial with described power shaft.
5. as claimed in claim 4 a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment, it is characterized in that the end that is provided with connecting key and described power shaft between described dampened disk and the described power shaft is provided with shaft block ring.
6. as claimed in claim 4 a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment; The material that it is characterized in that described housing is a pure iron; The material of described power shaft and described moment of torsion connector is stainless steel, and the material of described magnetism-isolating loop is an aluminium.
7. as claimed in claim 2 a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment; It is characterized in that described grinding-polishing system comprises the polishing head and second motor; Described second motor is fixedly mounted in the described mount pad, and described polishing head is connected on the driving shaft of described second motor through shaft coupling.
8. as claimed in claim 7 a kind of based on the servo aspheric surface grinding and polishing device of magnetorheological moment; It is characterized in that described polishing head comprises retainer and air bag; Described retainer is connected with the driving shaft of described second motor through described shaft coupling; Described air bag is fixedly mounted on the described retainer through jump ring, and the leading section of described air bag is set with polishing cloth.
9. as claimed in claim 8 a kind of the material that it is characterized in that described air bag is a rubber based on the servo aspheric surface grinding and polishing device of magnetorheological moment, and described air bag is provided with valve inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220046607XU CN202556161U (en) | 2012-02-14 | 2012-02-14 | Aspheric polishing device based on magneto-rheologic moment servo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220046607XU CN202556161U (en) | 2012-02-14 | 2012-02-14 | Aspheric polishing device based on magneto-rheologic moment servo |
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|---|---|
| CN202556161U true CN202556161U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220046607XU Expired - Fee Related CN202556161U (en) | 2012-02-14 | 2012-02-14 | Aspheric polishing device based on magneto-rheologic moment servo |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826522A (en) * | 2017-03-31 | 2017-06-13 | 上海应用技术大学 | A kind of controllable high speed glass polishing machine of new magnetorheological damping |
| CN106826523A (en) * | 2017-03-31 | 2017-06-13 | 上海应用技术大学 | A kind of new magnetorheological damping can control multifunctional metallographic lapping device |
| CN110227984A (en) * | 2019-06-17 | 2019-09-13 | 南方科技大学 | Aspherics component polishing process |
-
2012
- 2012-02-14 CN CN201220046607XU patent/CN202556161U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826522A (en) * | 2017-03-31 | 2017-06-13 | 上海应用技术大学 | A kind of controllable high speed glass polishing machine of new magnetorheological damping |
| CN106826523A (en) * | 2017-03-31 | 2017-06-13 | 上海应用技术大学 | A kind of new magnetorheological damping can control multifunctional metallographic lapping device |
| CN106826523B (en) * | 2017-03-31 | 2023-08-04 | 上海应用技术大学 | Novel controllable multi-functional metallography of magneto rheological damping grinds device |
| CN110227984A (en) * | 2019-06-17 | 2019-09-13 | 南方科技大学 | Aspherics component polishing process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20150214 |
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| EXPY | Termination of patent right or utility model |