CN104440833B - A kind of high rigidity without following error rotates two-dimension adjustment positioner - Google Patents
A kind of high rigidity without following error rotates two-dimension adjustment positioner Download PDFInfo
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- CN104440833B CN104440833B CN201410591513.4A CN201410591513A CN104440833B CN 104440833 B CN104440833 B CN 104440833B CN 201410591513 A CN201410591513 A CN 201410591513A CN 104440833 B CN104440833 B CN 104440833B
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- axis
- bearing
- height adjuster
- axis height
- work top
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0007—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby for engines, motor-vehicles or bicycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/18—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in inclination
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
A kind of high rigidity without following error is rotated two-dimension adjustment positioner and is belonged to Precision Instrument and Machinery technical field; The present invention proposes a kind of two-dimension adjustment positioner of the four point positioning formula based on the constant structure of restoring force, and support column A and X-axis height adjuster distribute along X-axis, and support column B and Y-axis height adjuster distribute along Y-axis, and X-axis is orthogonal with Y-axis; This device drive motors when Y-axis tune inclines rotates forward, microspindle drives work top to rotate forward around Y-axis, drive motors reversely rotates, and microspindle is fastenedly connected block by being transferred a driving force to by the disc spring of pretension, drives work top to rotate backward around Y-axis; This device around X-axis adjust incline time, Y-axis height adjuster and the tune of X-axis height adjuster mode of inclining is identical; The present invention establishes a kind of rotation two-dimension adjustment positioner for having high accuracy, high rigidity and large bearer properties while aero-engine assembling concurrently.
Description
Technical field
The invention belongs to Precision Instrument and Machinery technical field, particularly a kind of high rigidity without following error rotates two-dimension adjustment positioner.
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, due to the engine luggine that rigging error produces, the factors such as noise highlight gradually on the impact of performance, this just proposes stern challenge to the test equipment performance of engine, thus also higher requirement has been had to used adjustment positioning table performance, to the process and assemble of engine, not only require that workbench realizes the function of two-dimension adjustment in plane, and require that workbench can adjust the inclination angle of workpiece, realize tune to incline function.
The gloomy company of Taylor Hope of Britain have developed line-of-sight course aligning and adjusts the workbench that inclines.This workbench carrys out support table table top by fulcrum A, B, P that three form equilateral triangle.Wherein P point is fixed, other A, B 2 are furnished with driving mechanism and can be implemented in micro-movement in vertical direction, thus realize the adjustment (A.B.Barnaby at workpiece inclination angle, M.W.Mills, H.R.Lane.Metrologicalapparatusworkpiecepositioncontrolle r-automaticallycentresandlevelsbycomputerusingsurfacedat afromtransducerwithtransversecompensationaftertilting.EP 240150-A2.1987:2 ~ 8).This workbench driving mechanism carrys out direct carry load, and all wt of load all drops on three fulcrums, and this just requires that driving mechanism will have very large driving force, when this workbench can not be used in large carrying.
Tokyo Micronics Inc. of Japan devises a kind of workbench that can carry out bias and tilt adjustments in orthogonal both direction respectively, and give and a kind ofly utilize multiple measurement cross section to obtain oblique regulating method (Katamachi, the Shouzou.RoundnessMeasurementApparatus.US20080154540.2008: 1 ~ 5) in axis of workpiece direction.
The patent CN201110450087 " a kind of polymeter large-scale three dimensional adjusts platform " of Xi'an Wilson Precision Instrument Co., Ltd. proposes a kind of polymeter large-scale three dimensional and adjusts platform, two telescope motor distributed in platform can promote halfpace and rotate along rotary components, and drive upper mounting plate to rotate together, thus realize the adjustment to workpiece Z-direction wallowing motion.The tilt adjustments of this platform can only rotate around a rotary components, and tilt adjustments is limited in one's ability and precision is not high.
Patent 98229568.5 " high-pricision " proposes a kind of high-precision fast leveling mechanism, its operation principle is: driven by motor eccentric wheel rotates, spring in pedestal makes thimble lean on mutually with eccentric wheel, locating pin and calibration plate is driven to move up and down along bearing holder (housing, cover), calibration plate is air-floating thrust bearing, end face several throttling micropores uniform; Bearing member platform is connected with hemisphere, and when passing to pressure air between hemisphere and half ball seat, bearing member platform can rotate around the half ball seat centre of sphere, drives bearing member platform to move up and down by rising cylinder, when workpiece and calibration plate close to time, form air film and indirectly lean on Workpiece leveling mutually.
The something in common of foregoing invention is when all can not be applied in large load, but in aero-engine assembling, the revolving body assemblies such as blade weigh hundreds of kilogram, and blade assernbling directly carries out on the table, this just requires that the adjustment workbench used can bear large load and have very high reliability of positioning.
Summary of the invention
Object of the present invention is exactly for above-mentioned prior art Problems existing, and propose a kind of two-dimension adjustment positioner of the four point positioning formula based on the constant structure of restoring force, four point positioning formula can ensure that X-axis is orthogonal with Y-axis, namely adjusts the rotating shaft direct cross that inclines; The constant structure of restoring force can make this device reach effect without following error and high rigidity, reaches work top around X-axis and the object of rotating around Y-axis high accuracy, high stability.
Above-mentioned purpose is realized by following technical scheme:
High rigidity without following error rotates a two-dimension adjustment positioner, and this device comprises component unit A and component unit B two parts; Component unit A comprises work top, ball, described work top is furnished with bearing-surface a1, bearing-surface a2, bearing-surface a3 and bearing-surface a4, and bearing-surface a1, bearing-surface a2 and bearing-surface a3 are planar structure, and bearing-surface a4 is V-type groove structure; The base of component unit B is fixed with support column A, support column B, X-axis height adjuster and Y-axis height adjuster, wherein support column A and X-axis height adjuster distribute along X-axis, support column B and Y-axis height adjuster distribute along Y-axis, X-axis and Y-axis mutually orthogonal; Base is furnished with ball bowl-type bearing-surface b1;
Ball is fixed on work top, and ball coordinates with the bearing-surface b1 of base; The bearing-surface a1 of component unit A contacts with support column A and coordinates; The bearing-surface a4 of component unit A contacts with support column B and coordinates; The bearing-surface a2 of component unit A contacts with Y-axis height adjuster and coordinates; The bearing-surface a3 of component unit A contacts with X-axis height adjuster and coordinates;
X-axis height adjuster comprises drive motors, worm screw, worm gear, is fastenedly connected block, packing ring, disc spring, microspindle and guide holder; Drive motors and base are connected, described drive motors is connected with worm screw, worm and wheel gears meshing, and worm gear is positioned at guide holder inside, worm gear and microspindle threaded engagement, packing ring and disc spring are fastenedly connected block between block at microspindle and are connected with bearing-surface a3 with being fastenedly connected; Described Y-axis height adjuster forms identical with the structure of X-axis height adjuster;
This device is when Y-axis tune inclines, and drive motors rotates forward, and by worm and worm wheel transmission, drives microspindle to drive work top 1 to rotate forward around Y-axis; Drive motors reversely rotates, and microspindle is fastenedly connected block by being transferred a driving force to by the packing ring of pretension and disc spring, drives work top to rotate backward around Y-axis; This device around X-axis adjust incline time, Y-axis height adjuster and the tune of X-axis height adjuster to work top mode of inclining is identical.
Tune inclines the supported post A of work top, support column B, X-axis height adjuster and Y-axis height adjuster four-point supporting in process.
By regulating the relative distance being fastenedly connected block and bearing-surface a3, to disc spring applying pretightning force in various degree, when the relative distance being fastenedly connected block and bearing-surface a3 remains unchanged, drive the heterodromous restoring force of work top constant.
Disc spring can adopt single disc spring structure, the in pairs face-to-face structure of disc spring or paired disc spring back-to-back topology, to obtain pretightning force in various degree.
The present invention has following characteristics and beneficial effect:
1, in apparatus of the present invention, support column A and X-axis height adjuster distribute along X-axis, support column B and Y-axis height adjuster distribute along Y-axis, X-axis and Y-axis mutually orthogonal, adjust to incline around X-axis and adjust with around Y-axis decoupling zero of inclining, significantly reduce the complexity that two-way tune inclines, avoid the problem that traditional method adjusts coupling of inclining;
In 2 apparatus of the present invention, X-axis height adjuster and Y-axis height adjuster adopt the constant structure of restoring force to be connected with work top, carry out X-axis adjust incline incline with Y-axis tune time, constant restoring force is provided; Can following error be eliminated, improve X-axis adjust incline and Y-axis adjusts the accuracy and sensitivity of inclining, reach work top around X-axis and around Y-axis high rigidity, high stability rotation object.
The inventive method and device are specially adapted to aero-engine and turn stator alignment measurement occasion, under solving heavy load or super large load scenarios, alignment measurement test specimen are carried out to the problem of accurate adjustment and location.
Accompanying drawing explanation
Fig. 1 is that a kind of high rigidity without following error rotates two-dimension adjustment positioning device structure schematic diagram;
Fig. 2 is the component unit A structural representation that a kind of high rigidity without following error rotates two-dimension adjustment positioner;
Fig. 3 is the component unit B structural representation that a kind of high rigidity without following error rotates two-dimension adjustment positioner;
Fig. 4 is the section of structure that a kind of high rigidity without following error rotates the X-axis height adjuster of two-dimension adjustment positioner.
In figure: A, component unit A; B, component unit B; 1, work top; 2, ball; 3, base; 4, support column A; 5, support column B; 6, X-axis height adjuster; 7, Y-axis high recovery device; 8, drive motors; 9, worm screw; 10, worm gear; 11, block is fastenedly connected; 12, packing ring; 13, disc spring; 14, microspindle; 15, guide holder.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
High rigidity without following error rotates a two-dimension adjustment positioner, and this device comprises component unit A and component unit B two parts; Component unit A comprises work top 1, ball 2, described work top 1 is furnished with bearing-surface a1, bearing-surface a2, bearing-surface a3 and bearing-surface a4, and bearing-surface a1, bearing-surface a2 and bearing-surface a3 are planar structure, and bearing-surface a4 is V-type groove structure; The base 3 of component unit B is fixed with support column A4, support column B5, X-axis height adjuster 6 and Y-axis height adjuster 7, wherein support column A4 and X-axis height adjuster 6 distribute along X-axis, support column B5 and Y-axis height adjuster 7 along Y-axis distribution, X-axis and Y-axis mutually orthogonal; Base 3 is furnished with bearing-surface b1, bearing-surface b1 is ball bowl-type structure;
Ball 2 is fixed on work top 1, and ball 2 coordinates with the bearing-surface b1 of base 3; The bearing-surface a1 of component unit A contacts with support column A4 and coordinates; The bearing-surface a4 of component unit A contacts with support column B5 and coordinates; The bearing-surface a2 of component unit A contacts with Y-axis height adjuster 7 and coordinates; The bearing-surface a3 of component unit A contacts with X-axis height adjuster 6 and coordinates;
X-axis height adjuster 6 comprises drive motors 8, worm screw 9, worm gear 10, is fastenedly connected block 11, packing ring 12, disc spring 13, microspindle 14 and guide holder 15; Drive motors 8 and base 3 are connected, drive motors 8 is connected with worm screw 9, worm screw 9 and worm gear 10 gears meshing, worm gear 10 is positioned at guide holder 15, worm gear 10 and microspindle 14 threaded engagement, packing ring 12 and disc spring 13 are at microspindle 14 and be fastenedly connected between block 11, are fastenedly connected block 11 and are connected with bearing-surface a3, apply the adjustable pretightning force of size to disc spring 13 between the two; Described Y-axis height adjuster 7 forms identical with the structure of X-axis height adjuster 6;
This device is when Y-axis tune inclines, drive motors 8 provides power source, by the ratcheting structure of worm screw 9 and worm gear 10, be converted into around vertical axes rotary driving force around horizontal rotational shaft driving force, by worm gear 10 and microspindle 14 thread matching structure, be converted into along vertical axes linear driving force around vertical axes rotary driving force; When drive motors 8 rotates forward, microspindle 14 is driven to drive work top 1 to rotate forward around Y-axis, when drive motors 8 reversely rotates, drive microspindle 14 to be transferred a driving force to by packing ring 12 and disc spring 13 and be fastenedly connected block 11, drive work top 1 to rotate backward around Y-axis; Adjust to incline around X-axis and adjusts with around Y-axis decoupling zero of inclining, this device is when X-axis tune inclines, and Y-axis height adjuster 7 and X-axis height adjuster 6 pairs of work tops 1 adjust mode of inclining identical.
Tune inclines the supported post A4 of work top 1, support column B5, X-axis height adjuster 6 and Y-axis height adjuster 8 four-point supporting in process.
By regulating the relative distance being fastenedly connected block 11 and bearing-surface a3, to the pretightning force that disc spring 13 applies in various degree, this pretightning force is and drives the heterodromous restoring force of work top 1; Incline in process at tune, be fastenedly connected block 11 and remain unchanged with the relative distance of bearing-surface a3, drive the heterodromous restoring force of work top 1 constant.
Disc spring can adopt single disc spring structure, the in pairs face-to-face structure of disc spring or paired disc spring back-to-back topology, to obtain pretightning force in various degree.
Claims (4)
1. the high rigidity without following error rotates a two-dimension adjustment positioner, and this device comprises component unit A and component unit B two parts; Component unit A comprises work top (1), ball (2), described work top (1) is furnished with bearing-surface (a1), bearing-surface (a2), bearing-surface (a3) and bearing-surface (a4), bearing-surface (a1), bearing-surface (a2) and bearing-surface (a3) are planar structure, and bearing-surface (a4) is V-type groove structure; It is characterized in that: the base (3) of component unit B is fixed with support column A (4), support column B (5), X-axis height adjuster (6) and Y-axis height adjuster (7), wherein support column A (4) and X-axis height adjuster (6) distribute along X-axis, support column B (5) and Y-axis height adjuster (7) along Y-axis distribution, X-axis and Y-axis mutually orthogonal; Base (3) is furnished with ball bowl-type bearing-surface (b1);
Ball (2) is fixed on work top (1), and ball (2) coordinates with the bearing-surface (b1) of base (3); The bearing-surface (a1) of component unit A contacts with support column A (4) and coordinates; The bearing-surface (a4) of component unit A contacts with support column B (5) and coordinates; The bearing-surface (a2) of component unit A contacts with Y-axis height adjuster (7) and coordinates; The bearing-surface (a3) of component unit A contacts with X-axis height adjuster (6) and coordinates;
X-axis height adjuster (6) comprises drive motors (8), worm screw (9), worm gear (10), is fastenedly connected block (11), packing ring (12), disc spring (13), microspindle (14) and guide holder (15); Drive motors (8) and base (3) are connected, described drive motors (8) is connected with worm screw (9), worm screw (9) and worm gear (10) gears meshing, it is inner that worm gear (10) is positioned at guide holder (15), worm gear (10) and microspindle (14) threaded engagement, packing ring (12) and disc spring (13) are positioned at microspindle (14) and are fastenedly connected between block (11), are fastenedly connected block (11) and are connected with bearing-surface (a3); Described Y-axis height adjuster (7) forms identical with the structure of X-axis height adjuster (6);
This device is when Y-axis tune inclines, and drive motors (8) rotates forward, and by worm screw (9) and worm gear (10) transmission, drives microspindle (14) to drive work top (1) to rotate forward around Y-axis; Drive motors (8) reversely rotates, microspindle (14) is transferred a driving force to by packing ring (12) and disc spring (13) and is fastenedly connected block (11), drives work top (1) to rotate backward around Y-axis; To device around X-axis adjust incline time, Y-axis height adjuster (7) and the tune of X-axis height adjuster (6) to work top (1) mode of inclining is identical.
2. a kind of high rigidity without following error according to claim 1 rotates two-dimension adjustment positioner, it is characterized in that: adjust the supported post A (4) of work top (1), support column B (5), X-axis height adjuster (6) and Y-axis height adjuster (7) four-point supporting in process of inclining.
3. a kind of high rigidity without following error according to claim 1 rotates two-dimension adjustment positioner, it is characterized in that: by regulating the relative distance being fastenedly connected block (11) and bearing-surface (a3), to disc spring (13) applying pretightning force in various degree, when being fastenedly connected the relative distance of block (11) with bearing-surface (a3) and remaining unchanged, drive work top (1) heterodromous restoring force constant.
4. a kind of high rigidity without following error according to claim 1 rotates two-dimension adjustment positioner, it is characterized in that: disc spring (13) can adopt single disc spring structure, the in pairs face-to-face structure of disc spring or paired disc spring back-to-back topology, to obtain pretightning force in various degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410591513.4A CN104440833B (en) | 2014-10-29 | 2014-10-29 | A kind of high rigidity without following error rotates two-dimension adjustment positioner |
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| CN201410591513.4A CN104440833B (en) | 2014-10-29 | 2014-10-29 | A kind of high rigidity without following error rotates two-dimension adjustment positioner |
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| CN104440833A CN104440833A (en) | 2015-03-25 |
| CN104440833B true CN104440833B (en) | 2016-02-17 |
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| EP3306270B1 (en) * | 2015-05-27 | 2020-01-29 | Beijing Unistrong Science & Technology Co., Ltd. | Two-degree-of-freedom rotation control device and application system therewith |
| CN108818435A (en) * | 2018-06-28 | 2018-11-16 | 芜湖新尚捷智能信息科技有限公司 | A kind of mold repair maintenance platform |
| CN108942812A (en) * | 2018-10-16 | 2018-12-07 | 北京环境特性研究所 | A kind of dimensional turntable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DK9700008U3 (en) * | 1997-01-09 | 1998-04-24 | Fjelloe Jensen Kim | Height-adjustable workbench |
| CN2338859Y (en) * | 1998-09-24 | 1999-09-15 | 中国科学院光电技术研究所 | High-precision quick automatic leveling mechanism |
| US8056590B2 (en) * | 2009-09-21 | 2011-11-15 | James Liu | Woodworking machine with adjustment unit |
| CN101954577B (en) * | 2010-10-18 | 2011-11-16 | 重庆大学 | Mechanical self-adaptive auxiliary docking platform |
| CN102501230A (en) * | 2011-10-28 | 2012-06-20 | 中国工程物理研究院应用电子学研究所 | Multi-degree-of-freedom vibration isolation bearing platform |
| CN102519417B (en) * | 2011-12-19 | 2014-03-19 | 西安威而信精密仪器有限公司 | Large three-dimensional regulation platform for multifunctional gauge |
| CN203680104U (en) * | 2013-08-28 | 2014-07-02 | 苏州上洋机电科技有限公司 | Adjustable locating device |
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