CN104308780B - Based on the accurate clamping method of the major axis standard that force-closed multiple spot is servo-actuated and device - Google Patents
Based on the accurate clamping method of the major axis standard that force-closed multiple spot is servo-actuated and device Download PDFInfo
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- CN104308780B CN104308780B CN201410591412.7A CN201410591412A CN104308780B CN 104308780 B CN104308780 B CN 104308780B CN 201410591412 A CN201410591412 A CN 201410591412A CN 104308780 B CN104308780 B CN 104308780B
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- annular working
- plastic deformation
- working band
- cell cube
- force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
Belong to precision based on the accurate clamping method of the servo-actuated major axis standard of force-closed multiple spot and device to be installed field, the method is by upper, lower two-layer closed annular working band carries out clamping and positioning to test specimen reinforcing, on the outer surface of upper strata annular working band along the circumferential direction gather plastic deformation cell cube, and along the circumferential direction the even number point of application is evenly arranged at equal intervals in plastic deformation cell cube, synchronously apply by whole point of application the outer surface that equal-sized pretightning force acts on annular working band and form closed centripetal force, the plastic deformation cell cube of gathering at annular working band inner surface is driven to produce Light deformation, form centripetal annular working band, clamping test specimen surface, clamping force is also accurately controlled by Real-Time Monitoring, the present invention establishes a kind of accurate chucking device taking into account high accuracy, high stability.
Description
Technical field
The invention belongs to the technical field that is installed, particularly the accurate clamping method of a kind of major axis standard servo-actuated based on force-closed multiple spot and device.
Background technology
In recent years, along with advanced equipment manufacturing industry is gradually towards precise treatment and the development of superfinishing densification, the particularly continuous lifting of aero-engine performance, more and more higher to the required precision of engine process and assemble, especially, while the higher thrust-weight ratio of pursuit, the impact of factor on performance such as engine luggine, noise produced due to rigging error highlights gradually.This just has higher requirement to the clamping fixer of the major axis standard used in aero-engine alignment measurement.
Patent CN201320158949 " a kind of thin-walled cylinder Workpiece clamping device " discloses a kind of thin-walled cylinder Workpiece clamping device, flexible pipe is wound with at retainer inwall radial transmission line, the front end of flexible pipe is closed, retainer is also provided with handle, handle inner is provided with centre bore, it is inner that centre bore is communicated with retainer, and the end of flexible pipe passes centre bore and extends handle outer.This device can not defective work piece when secure cylindrical workpiece.
Patent CN201220453343 " a kind of cylindric work holder " discloses a kind of cylindric work holder, this device utilizes guide screw movement to devise the clamping device of the cylindric workpiece of a kind of different radii with mutually nested V-arrangement clamp clip, symmetrical V-arrangement clamp clip summit, in the same horizontal line, ensure that the axle center level of clamp cylinders shape workpiece.
Patent CN201310599061 " shaft clamping device " disclose a kind of shaft clamping device, with solve existing clamping device exist to the inaccurate problem of Workpiece fixing, by the clamping part of v-depression and the hook-shaped common clamping position shaft-like workpiece of bare terminal end of two jaws, the accuracy of clamping position can be guaranteed.
In aero-engine assembling test, to the precision of the slender axles standard wherein used firmly be installed require high, firmly to clamp slender axles standard on the one hand, can not test specimen be damaged when clamping and positioning on the other hand, prevent from can not stablizing clamping because clamping force is too little or damaging test specimen because clamping force is too large.
Summary of the invention
Object of the present invention is exactly for above-mentioned prior art Problems existing, propose a kind of method of clamping force acting in conjunction realization to the accurate clamping and positioning of test specimen formed by upper and lower two-layer annular working band, reach the object to the accurate Set and Positioning of test specimen.Present invention also offers the accurate clamping device of a kind of a kind of servo-actuated based on force-closed multiple spot major axis standard based on said method.
Above-mentioned purpose is realized by following technical scheme:
Based on the accurate clamping method of the major axis standard that force-closed multiple spot is servo-actuated, the method is afterburning to test specimen by upper and lower two-layer closed annular working band, carries out clamping and positioning, the formation method of upper strata annular working belt clamping force is: plastic deformation cell cube of along the circumferential direction gathering on the outer surface of upper strata annular working band, and along the circumferential direction the even number point of application is evenly arranged at equal intervals in plastic deformation cell cube, the outer surface that equal-sized pretightning force acts on annular working band is synchronously applied by whole point of application, the plastic deformation cell cube of gathering at annular working band inner surface is driven to produce Light deformation, form the force ring closed, clamping test specimen surface, the deflection of described plastic deformation cell cube follows the profile variations of test specimen, and whole contact points of plastic deformation cell cube and test specimen all have equal and opposite in direction or close clamping force, clamping force Real-Time Monitoring also accurately controls, the formation method of lower floor's annular working belt clamping force is identical with the formation method of upper strata annular working belt clamping force, the force ring acting in conjunction formed by upper and lower two-layer annular working band carries out accurate clamping and positioning to test specimen.
The plastic deformation cell cube being arranged on annular working band outer surface adopts identical version with the plastic deformation cell cube being arranged on annular working band inner surface.
Plastic deformation cell cube is along the circumferential direction evenly arranged the even number point of application at equal intervals, and the quantity of the described point of application is more than or equal to 4.
Based on the accurate clamping device of the major axis standard that force-closed multiple spot is servo-actuated, this device comprises stage body, supporting base, splicing sleeve, middle cover, inner sleeve, base plate, upper head plate, clamping force guiding mechanism and clamping force monitor; In be set between stage body and inner sleeve, interior cover is provided with upper strata annular working band and lower floor's annular working band, the outer surface of described upper strata annular working band is provided with along the circumferential direction equally distributed plastic deformation cell cube A
1, the outer surface of lower floor's annular working band is provided with along the circumferential direction equally distributed plastic deformation cell cube A
2; The inner surface of upper strata annular working band is provided with along the circumferential direction equally distributed plastic deformation cell cube B
1; The inner surface of lower floor's annular working band is provided with along the circumferential direction equally distributed plastic deformation cell cube B
2; Described middle cover is configured with upper and lower two-layer along the circumferential direction equally distributed assistor, and upper and lower two-layer adopted assistor structure is identical; Upper strata assistor acts on the plastic deformation cell cube A on the annular working band outer surface of upper strata
1, the centripetal force that formation is closed drives the plastic deformation cell cube B on annular work strip inner surface
1produce Light deformation; Lower floor's assistor acts on the plastic deformation cell cube A on lower floor's annular working band outer surface
2, the centripetal force that formation is closed drives the plastic deformation cell cube B on annular work strip inner surface
2produce Light deformation; Upper strata annular working band and lower floor's annular working band clamp test specimen simultaneously, and clamping force size is monitored by clamping force monitor, and carries out accurate adjustment by clamping force guiding mechanism.
Be arranged on the plastic deformation cell cube A of upper strata annular working band outer surface
1with the plastic deformation cell cube A being arranged on lower floor's annular working band outer surface
2adopt identical version.
Be arranged on the plastic deformation cell cube B of upper strata annular working band inner surface
1with the plastic deformation cell cube B being arranged on lower floor's annular working band inner surface
2adopt identical version.
Be arranged on the plastic deformation cell cube B of upper strata annular working band inner surface
1with the plastic deformation cell cube B being arranged on lower floor's annular working band inner surface
2clamping working face be circular arc.
The present invention has following characteristics and beneficial effect:
1, pass through to design Dual-layer annular working band in the inventive method and device, and utilize the characteristic of the centripetal clamping of flexible micro-deformation cell cube, the pretightning force of the point of application is become closed centripetal force, by Dual-layer annular working band synchronous, thus make axle shape test block synchronous uniform stressed in all directions, significantly improve the reliability of test specimen clamping; Meet the requirement in aero-engine assembling, major axis standard firmly clamped;
2, in apparatus of the present invention, clamping force size is monitored by clamping force monitor, by the size of the timely feedback adjustment clamping force of Real-Time Monitoring, there is provided suitable clamping force, completely avoid because clamping force is too little can not accurate clamping or damage the problem of test block because clamping force is too large;
The ectonexine of the Dual-layer annular working band 3, designed in apparatus of the present invention is all covered with plastic deformation cell cube, and the working face of the plastic deformation cell cube of annular working band internal layer is arc, when clamping test specimen, plastic deformation cell cube can be followed the different profile in test specimen surface and be produced corresponding elastic deformation, afterburning to test specimen surface uniform, thus effectively prevent because discontinuity causes test specimen to damage.
The inventive method and device, be particularly useful for major axis standard high-accuracy stable in aero-engine alignment measurement and step up.
Accompanying drawing explanation
Fig. 1 is based on the accurate clamping device structural representation of the major axis standard that force-closed multiple spot is servo-actuated;
Fig. 2 is based on the accurate clamping device cross-sectional view of the major axis standard that force-closed multiple spot is servo-actuated;
Fig. 3 is the inner sleeve structural representation based on the accurate clamping device of the major axis standard that force-closed multiple spot is servo-actuated;
Fig. 4 is based on nested structure schematic diagram in the accurate clamping device of the major axis standard that force-closed multiple spot is servo-actuated.
In figure: 1, stage body; 2, supporting base; 3, splicing sleeve; 4, middle cover; 5, inner sleeve; 6, base plate; 7, upper head plate; 8, clamping force guiding mechanism; 9, clamping force monitor; 10, upper strata annular working band; 11, lower floor's annular working band; 12, plastic deformation cell cube A
1; 13, plastic deformation cell cube A
2; 14, plastic deformation cell cube B
1; 15, plastic deformation cell cube B
2; 16, assistor.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
Based on the accurate clamping device of the major axis standard that force-closed multiple spot is servo-actuated, this device comprises stage body 1, supporting base 2, splicing sleeve 3, middle cover 4, inner sleeve 5, base plate 6, upper head plate 7, clamping force guiding mechanism 8 and clamping force monitor 9;
Middle cover 4 is arranged between stage body 1 and inner sleeve 5, and inner sleeve 5 is provided with upper strata annular working band 10 and lower floor's annular working band 11, and the outer surface of described upper strata annular working band 10 is provided with along the circumferential direction equally distributed plastic deformation cell cube A
112, the outer surface of lower floor's annular working band 11 is provided with along the circumferential direction equally distributed plastic deformation cell cube A
213; The inner surface of upper strata annular working band 10 is provided with along the circumferential direction equally distributed plastic deformation cell cube B
114; The inner surface of lower floor's annular working band 11 is provided with along the circumferential direction equally distributed plastic deformation cell cube B
215; Described middle cover 4 is configured with upper and lower two-layer along the circumferential direction equally distributed assistor 16, and upper and lower two-layer adopted assistor 16 structure is identical; Upper strata assistor acts on the plastic deformation cell cube A on annular working band 10 outer surface of upper strata
112, the centripetal force that formation is closed drives the plastic deformation cell cube B on annular work strip 10 inner surface
114 produce Light deformation; Lower floor's assistor acts on the plastic deformation cell cube A on lower floor's annular working band 11 outer surface
213, the centripetal force that formation is closed drives the plastic deformation cell cube B on annular work strip 11 inner surface
215 produce Light deformation; Upper strata annular working band 10 and lower floor's annular working band 11 clamp test specimen simultaneously, and clamping force size is monitored by clamping force monitor 9, and carry out accurate adjustment by clamping force guiding mechanism 8.
Be arranged on the plastic deformation cell cube A of upper strata annular working band 10 outer surface
112 be arranged on the plastic deformation cell cube A of lower floor's annular working band 11 outer surface
213 adopt identical version.
Be arranged on the plastic deformation cell cube B of upper strata annular working band 10 inner surface
114 be arranged on the plastic deformation cell cube B of lower floor's annular working band 11 inner surface
215 adopt identical version.
Be arranged on the plastic deformation cell cube B of upper strata annular working band 10 inner surface
114 be arranged on the plastic deformation cell cube B of lower floor's annular working band 11 inner surface
2the clamping working face of 15 is circular arc.
Claims (7)
1., based on the accurate clamping method of the major axis standard that force-closed multiple spot is servo-actuated, it is characterized in that: the method is afterburning to test specimen by upper and lower two-layer closed annular working band, carries out clamping and positioning, the formation method of upper strata annular working belt clamping force is: plastic deformation cell cube of along the circumferential direction gathering on the outer surface of upper strata annular working band, and along the circumferential direction the even number point of application is evenly arranged at equal intervals in plastic deformation cell cube, the outer surface that equal-sized pretightning force acts on annular working band is synchronously applied by whole point of application, the plastic deformation cell cube of gathering at annular working band inner surface is driven to produce Light deformation, form the force ring closed, clamping test specimen surface, the deflection of described plastic deformation cell cube follows the profile variations of test specimen, and whole contact points of plastic deformation cell cube and test specimen all have equal and opposite in direction or close clamping force, clamping force Real-Time Monitoring also accurately controls, the formation method of lower floor's annular working belt clamping force is identical with the formation method of upper strata annular working belt clamping force, the force ring acting in conjunction formed by upper and lower two-layer annular working band carries out accurate clamping and positioning to test specimen.
2. the accurate clamping method of the major axis standard servo-actuated based on force-closed multiple spot according to claim 1, is characterized in that: the plastic deformation cell cube being arranged on annular working band outer surface adopts identical version with the plastic deformation cell cube being arranged on annular working band inner surface.
3. the accurate clamping method of the major axis standard servo-actuated based on force-closed multiple spot according to claim 1, it is characterized in that: in plastic deformation cell cube, be along the circumferential direction evenly arranged the even number point of application at equal intervals, the quantity of the described point of application is more than or equal to 4.
4., based on the accurate clamping device of the major axis standard that force-closed multiple spot is servo-actuated, it is characterized in that: this device comprises stage body (1), supporting base (2), splicing sleeve (3), middle cover (4), inner sleeve (5), base plate (6), upper head plate (7), clamping force guiding mechanism (8) and clamping force monitor (9); Middle cover (4) is arranged between stage body (1) and inner sleeve (5), inner sleeve (5) is provided with upper strata annular working band (10) and lower floor's annular working band (11), the outer surface of described upper strata annular working band (10) is provided with along the circumferential direction equally distributed plastic deformation cell cube A
1(12), the outer surface of lower floor's annular working band (11) is provided with along the circumferential direction equally distributed plastic deformation cell cube A
2(13); The inner surface on upper strata annular working band (10) is provided with along the circumferential direction equally distributed plastic deformation cell cube B
1(14); The inner surface of lower floor's annular working band (11) is provided with along the circumferential direction equally distributed plastic deformation cell cube B
2(15); Described middle cover (4) is configured with upper and lower two-layer along the circumferential direction equally distributed assistor (16), and upper and lower two-layer adopted assistor (16) structure is identical; Upper strata assistor acts on the plastic deformation cell cube A on annular working band (10) outer surface of upper strata
1(12) centripetal force that, formation is closed drives the plastic deformation cell cube B on annular work strip (10) inner surface
1(14) Light deformation is produced; Lower floor's assistor acts on the plastic deformation cell cube A on lower floor's annular working band (11) outer surface
2(13) centripetal force that, formation is closed drives the plastic deformation cell cube B on annular work strip (11) inner surface
2(15) Light deformation is produced; Upper strata annular working band (10) and lower floor's annular working band (11) clamp test specimen simultaneously, clamping force size is monitored by clamping force monitor (9), and carries out accurate adjustment by clamping force guiding mechanism (8).
5. the accurate clamping device of the major axis standard servo-actuated based on force-closed multiple spot according to claim 4, is characterized in that: the plastic deformation cell cube A being arranged on upper strata annular working band (10) outer surface
1(12) with the plastic deformation cell cube A being arranged on lower floor's annular working band (11) outer surface
2(13) identical version is adopted.
6. the accurate clamping device of the major axis standard servo-actuated based on force-closed multiple spot according to claim 4, is characterized in that: the plastic deformation cell cube B being arranged on upper strata annular working band (10) inner surface
1(14) with the plastic deformation cell cube B being arranged on lower floor's annular working band (11) inner surface
2(15) identical version is adopted.
7. the accurate clamping device of the major axis standard servo-actuated based on force-closed multiple spot according to claim 4, is characterized in that: the plastic deformation cell cube B being arranged on upper strata annular working band (10) inner surface
1(14) with the plastic deformation cell cube B being arranged on lower floor's annular working band (11) inner surface
2(15) clamping working face is circular arc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591412.7A CN104308780B (en) | 2014-10-29 | 2014-10-29 | Based on the accurate clamping method of the major axis standard that force-closed multiple spot is servo-actuated and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591412.7A CN104308780B (en) | 2014-10-29 | 2014-10-29 | Based on the accurate clamping method of the major axis standard that force-closed multiple spot is servo-actuated and device |
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| Publication Number | Publication Date |
|---|---|
| CN104308780A CN104308780A (en) | 2015-01-28 |
| CN104308780B true CN104308780B (en) | 2015-10-28 |
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| CN201410591412.7A Active CN104308780B (en) | 2014-10-29 | 2014-10-29 | Based on the accurate clamping method of the major axis standard that force-closed multiple spot is servo-actuated and device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0888265A (en) * | 1994-09-19 | 1996-04-02 | Canon Inc | Positioning stage |
| CN203019065U (en) * | 2012-12-26 | 2013-06-26 | 无锡市贝斯特精密机械有限公司 | Pneumatic pressure preservation clamp |
| CN103639475A (en) * | 2013-11-25 | 2014-03-19 | 重庆舰帏机械有限公司 | Shaft clamping device |
| DE202013002445U1 (en) * | 2013-03-14 | 2014-06-16 | Schunk Gmbh & Co. Kg Spann- Und Greiftechnik | Clamping or gripping device |
| DE102013103464B3 (en) * | 2013-04-08 | 2014-06-18 | Matrix Gmbh Spannsysteme Und Produktionsautomatisierung | Device i.e. chuck jaw, for clamping apparatus, has guide hole made of elastically deformable material and tensioning device that is arranged in fixing position to apply pressure on resiliently deformable material |
| CN103978235A (en) * | 2014-05-13 | 2014-08-13 | 陕西秦川机械发展股份有限公司 | Compact ring type radial high-accuracy locating and clamping mechanism and manufacturing method thereof |
-
2014
- 2014-10-29 CN CN201410591412.7A patent/CN104308780B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0888265A (en) * | 1994-09-19 | 1996-04-02 | Canon Inc | Positioning stage |
| CN203019065U (en) * | 2012-12-26 | 2013-06-26 | 无锡市贝斯特精密机械有限公司 | Pneumatic pressure preservation clamp |
| DE202013002445U1 (en) * | 2013-03-14 | 2014-06-16 | Schunk Gmbh & Co. Kg Spann- Und Greiftechnik | Clamping or gripping device |
| DE102013103464B3 (en) * | 2013-04-08 | 2014-06-18 | Matrix Gmbh Spannsysteme Und Produktionsautomatisierung | Device i.e. chuck jaw, for clamping apparatus, has guide hole made of elastically deformable material and tensioning device that is arranged in fixing position to apply pressure on resiliently deformable material |
| CN103639475A (en) * | 2013-11-25 | 2014-03-19 | 重庆舰帏机械有限公司 | Shaft clamping device |
| CN103978235A (en) * | 2014-05-13 | 2014-08-13 | 陕西秦川机械发展股份有限公司 | Compact ring type radial high-accuracy locating and clamping mechanism and manufacturing method thereof |
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| CN104308780A (en) | 2015-01-28 |
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