CN100488721C - Blade machine tool for polishing and grinding adapting to curve surface - Google Patents
Blade machine tool for polishing and grinding adapting to curve surface Download PDFInfo
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- CN100488721C CN100488721C CNB200710056223XA CN200710056223A CN100488721C CN 100488721 C CN100488721 C CN 100488721C CN B200710056223X A CNB200710056223X A CN B200710056223XA CN 200710056223 A CN200710056223 A CN 200710056223A CN 100488721 C CN100488721 C CN 100488721C
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- slipway
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- lower platform
- polishing
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Abstract
The present invention relates to one kind of vane polishing and grinding machine with high camber adaptability, and belongs to the field of machine building technology. The vane polishing and grinding machine one fixed stage comprising the pedestal and the frame connected together, one longitudinal slipway-block pair and one transverse slipway-block pair for two-dimensional moving, one upper platform with workpiece fixture and one lower platform connected through three branches, and one polishing and grinding tool system including one sand belt, one tool board, two tightening wheels, one driving wheel and one wheel changing mechanism. The vane polishing and grinding machine with one worktable of three-rod parallel mechanism has high precision, high rigidity, expanded work space, capacity of polishing and grinding large vane and high operation efficiency.
Description
Technical field
The invention belongs to mechanical manufacturing field.
Background technology
Blade is as special Free-form Surface Parts, be the manufacturing hydraulic turbine of generating equipment, steam turbine, the marine turbing of shipping industry, one of most crucial parts of turbomachineries such as the aircraft engine of aviation, the design of its profile, manufacture level and workmanship directly influence performance, efficient and the reliability of turbomachinery.
In recent ten years, along with development of technologies such as computer technology and modern control theories, the process technology and the equipment that are processed as representative with 5-shaft linkage numerical control are gradually improved, and can realize the automation shape processing of turbine blade.The five-shaft high-speed blade milling machine of five blade processing centers of the TB of Switzerland power inscription-equine Dai Er company series, Italian C.B.Ferrari company can satisfy the process requirements of turbine blade and blade of aviation engine.The XKH series five-axle linked blade machining center of the dynamo-electric institute in Dongfan Steam Turbine Factory and Beijing cooperative development is fit to all kinds of blades of processing vapor turbine, gas turbine.
Surface after the blade shape processing still need could obtain the surface quality of expection through polishing manufacturing procedures such as rubbing downs.The purpose of polishing integral processing is when the blade surface form accuracy is revised, removes the tool marks of shape processing at remained on surface, reduces surface roughness, improves surface quality.The manual polishing processing of blade surface is not only time-consuming, effort, inefficiency, and is difficult to guarantee form accuracy, the crudy instability.The shortcoming of blade polishing integral process automation technology and equipment has become the weak link in production, the manufacturing and has restricted the bottleneck of industry development.
Domestic Xinan Science and Technology Univ. has developed the polishing that the three-dimensional vibrating burnishing device is used for the aero-turbine blade, and in order to guarantee the uniformity of the upper and lower surface finish of blade, blade needs to overturn 180 ° after polishing a period of time, continues the identical time of polishing.Though this technology has improved polishing efficiency to a certain extent, because there is certain randomness in technology itself, blade quality of finish instability, and be difficult to realize the certainty removal on surface.The five-shaft high-speed blade grinding machine of Italy C.B.Ferrari company exploitation does not have to break away from the generally serial configured of the five-axle linked blade process equipment of employing, and essence is to have changed tool system on the basis of the said firm's five-shaft high-speed blade milling machine.Company of the logical robot of domestic Langfang intelligence with the artificial platform development of ABB industrial machine the blade grinding system.Adopt industrial robot clamping processing of leaves mode for middle-size and small-size blade, finish blade and the fixedly motion of the complex space between grinding belt realization blade grinding by industrial robot; For large-scale blade, then adopt the processing mode of industrial robot clamping grinding tool, carry out the grinding of blade profile by industrial robot drive instrument.The blade grinding system that the logical company of intelligence relies on the exploitation of ABB industrial robot is limited by space, kinematic accuracy, data-handling capacity and the level of hardware of robot to a certain extent, therefore the technical independence and establishing one's own system of can't accomplishing belong to the grinding system that utilizes robot.
In sum, existing blade polishing lathe and rubbing down system of robot do not break away from conventional configuration on the one hand; On the other hand, blade profile belongs to complicated free form surface, and the tool system of rubbing down equipment configuration can't in time be changed instrument according to the variation of spoon of blade curvature at present, influences rubbing down efficient.
Summary of the invention
A kind of blade polishing integral processing machine tool with curve surface adaptive provided by the invention is to solve the not high problem of automaticity in the particularly large-scale blade polishing integral processing of blade.
The technical scheme that the present invention takes:
Comprise end slipway/slide block pair and transverse slipway/slide block pair, lower platform, upper mounting plate, the branch that is connected upper mounting plate and lower platform, work piece holder, rubbing down tool system that base, frame, one-tenth horizontal vertical distribute.It is characterized in that base, frame constitute fixed station; End slipway/slide block the pair and the transverse slipway/slide block pair that become horizontal vertical to distribute provide bidimensional to move; Upper mounting plate links to each other by three branches with lower platform, and said three branch two ends become the hinge of 120 ° of layouts to link to each other with lower platform with upper mounting plate by three respectively; Said three branches all can adopt shrinking connecting-rod to constitute the single dof mobility pair, and shrinking connecting-rod and lower platform are connected to revolute pair, are connected to the Three Degree Of Freedom spherical hinge with upper mounting plate; The type of drive of said shrinking connecting-rod can adopt motor and lead screw pair to drive, and also can adopt servo-cylinder to drive; On the said upper mounting plate work piece holder is installed, work piece holder is realized the clamping of blade and upset automatically, satisfies the needs of the two-sided rubbing down of blade; The rubbing down tool system comprises abrasive band, tool palette, is installed in two regulating wheels, the driving wheel on the tool palette and changes wheel mechanism; Saidly change the contact wheel that wheel mechanism comprises cross slideway, four sliding bars and four different-diameters; Said cross slideway can rotate around its central shaft, and the end of four sliding bars that slide in the cross slideway is equipped with the different-diameter contact wheel respectively.
The top that end slipway that said one-tenth horizontal vertical distributes and transverse slipway can be installed in frame, said lower platform can be fixed on the base, said rubbing down tool system can move along transverse slipway by transverse slider, transverse slipway can by longitudinal sliding block longitudinally slideway move.
Said end slipway can be installed on the base, said transverse slipway can be installed in upper rack, end slipway becomes horizontal vertical to distribute with transverse slipway, said lower platform can by longitudinal sliding block longitudinally slideway move, said rubbing down tool system can move along transverse slipway by transverse slider.
Stackable being installed in of end slipway that said one-tenth horizontal vertical distributes and transverse slipway constitutes upper and lower two-layer slideway on the base, said lower platform can move along the upper strata end slipway by longitudinal sliding block, and the upper strata end slipway can move along lower floor's transverse slipway by transverse slider; Said rubbing down tool system can be fixed on the top of frame.
The said wheel mechanism that changes can will have the contact wheel withdrawal now by sliding bar according to the vane curvature change in radius, and the cross slideway turns to required contact wheel position vertically downward around its central shaft, and sliding bar promotes required contact wheel blade surface is pressed in the abrasive band.
Said longitudinal sliding block and transverse slider are with upper and lower platform and be connected branch carry out interlock control in motion control, realize the rubbing down processing to blade.
The invention provides a kind of brand-new blade polishing integral processing machine tool with curve surface adaptive.This lathe can provide three-dimensional and move and the bidimensional rotation; Adopt the abrasive band system as the rubbing down instrument, realize selecting the contact wheel of corresponding size, improved rubbing down efficient according to the variation of vane curvature radius by changing wheel mechanism; Adopt three bar parallel institutions as workbench, adapted to rubbing down processing and belonged to the elasticity machining characteristics, utilize and avoided the precision that parallel institution exists and the deficiency of rigidity aspect dexterously; Install on the workbench and can realize blade clamping and the anchor clamps that overturn automatically, realize the two-sided rubbing down of blade; Realize that by the configuration end slipway lathe moves along the length of blade direction, expanded the space of lathe, remedied the deficiency of parallel institution workbench working space.By the integrated innovation of system, this lathe can solve the particularly large-scale blade polishing integral process automation of blade problem.
The invention has the advantages that:
(1) rubbing down processing belongs to elasticity processing, and the present invention adopts three bar parallel institutions as workbench, utilizes dexterously and avoided the deficiency that parallel institution exists aspect precision and rigidity.
(2) according to the modeling characteristic of blade, the present invention realizes that by the configuration end slipway lathe moves along the length of blade direction, has expanded the working space of lathe, has remedied the deficiency of parallel institution workbench working space, makes lathe adapt to the rubbing down processing of large-scale blade.
(3) the present invention adopts the abrasive band as the rubbing down instrument, adopts to change wheel mechanism and provide the contact wheel of different size according to the variation of spoon of blade radius of curvature, has improved the rubbing down operating efficiency.
Description of drawings
Fig. 1 is the general structure schematic diagram of the embodiment of the invention one.
Fig. 2 is a rubbing down tool system structural representation of the present invention.
Fig. 3 is the general structure schematic diagram of the embodiment of the invention two.
Fig. 4 is the general structure schematic diagram of the embodiment of the invention three.
The specific embodiment:
Below in conjunction with accompanying drawing three kinds of embodiment of the present invention are described in further detail.
Embodiment one:
The general structure of present embodiment as shown in Figure 1, base 1 and frame 11 constitute fixed station, 8 one-tenth horizontal vertical of end slipway 9 and transverse slipway distribute and are installed in the top of frame 11, rubbing down tool system 5 moves along transverse slipway 8 by transverse slider 6, transverse slipway 8 by longitudinal sliding block 7 longitudinally slideway 9 move.Lower platform 13 is fixed on the base 1, three extensible link 3 two ends become the hinge of 120 ° of layouts to link to each other with lower platform 13 with upper mounting plate 10 by three respectively, the hinge that wherein connects upper mounting plate 10 is a Three Degree Of Freedom spherical hinge 4, the hinge that connects lower platform 13 is a revolute pair 2, the type of drive of shrinking connecting-rod 3 can adopt motor and lead screw pair to drive, and also can adopt servo-cylinder to drive.Work piece holder 12 is installed on the upper mounting plate 10, and work piece holder 12 is realized the clamping and the upset of blade.The structure of rubbing down tool system 5 comprises abrasive band 504, tool palette 505, is installed in 502, one driving wheels of two regulating wheels 506 on the tool palette 505 and changes wheel mechanism as shown in Figure 2; Change that wheel mechanism comprises cross slideway 503, the contact wheel 501 of the different-diameter of four sliding bars identical that in cross slideway 503, slide, four sliding bar ends with sliding bar 508.Change wheel mechanism and can will have contact wheel 501 withdrawals now by sliding bar 508 according to the vane curvature change in radius, cross slideway 503 turns to required contact wheel position vertically downward around its central shaft 507, and sliding bar promotes required contact wheel blade surface is pressed in abrasive band 504.Longitudinal sliding block 7 and transverse slider 6 are with upper mounting plate 10, lower platform 13 and be connected branch carry out interlock control in motion control, realize the rubbing down processing to blade.
Embodiment two:
The general structure of present embodiment as shown in Figure 3, base 1 and frame 11 constitute fixed station, end slipway 9 is installed on the base 1, transverse slipway 8 is installed in frame 11 tops, 8 one-tenth horizontal vertical of end slipway 9 and transverse slipway distribute, lower platform 13 by longitudinal sliding block 7 longitudinally slideway 9 move, rubbing down tool system 5 moves along transverse slipway 8 by transverse slider 6.Three extensible link 3 two ends become the hinge of 120 ° of layouts to link to each other with lower platform 13 with upper mounting plate 10 by three respectively, the hinge that wherein connects upper mounting plate 10 is a Three Degree Of Freedom spherical hinge 4, the hinge that connects lower platform 13 is a revolute pair 2, the type of drive of shrinking connecting-rod 3 can adopt motor and lead screw pair to drive, and also can adopt servo-cylinder to drive.Work piece holder 12 is installed on the upper mounting plate 10, and work piece holder 12 is realized the clamping and the upset of blade.Rubbing down tool system 5 structures are with embodiment one.Change wheel mechanism and can will have the contact wheel withdrawal now by sliding bar according to the vane curvature change in radius, the cross slideway turns to required contact wheel position vertically downward around its central shaft, and sliding bar promotes required contact wheel blade surface is pressed in the abrasive band.Longitudinal sliding block 7 and transverse slider 6 are with upper mounting plate 10, lower platform 13 and be connected branch carry out interlock control in motion control, realize the rubbing down processing to blade.
Embodiment three:
The general structure of present embodiment as shown in Figure 4, base 1 and frame 11 constitute fixed station, the end slipway 9 and transverse slipway 8 stacks that become horizontal vertical to distribute are installed in the upper and lower two-layer slideway of 1 formation on the base, lower platform 13 by longitudinal sliding block 7 longitudinally slideway 9 move, end slipway 9 moves along transverse slipway 8 by transverse slider 6, and rubbing down tool system 5 is fixed on the top of frame 11.Three extensible link 3 two ends become the hinge of 120 ° of layouts to link to each other with lower platform 13 with upper mounting plate 10 by three respectively, the hinge that wherein connects upper mounting plate 10 is a Three Degree Of Freedom spherical hinge 4, the hinge that connects lower platform 13 is a revolute pair 2, the type of drive of shrinking connecting-rod 3 can adopt motor and lead screw pair to drive, and also can adopt servo-cylinder to drive.Work piece holder 12 is installed on the upper mounting plate 10, and work piece holder 12 is realized the clamping and the upset of blade.Rubbing down tool system 5 structures are with embodiment one.Change wheel mechanism and can will have the contact wheel withdrawal now by sliding bar according to the vane curvature change in radius, the cross slideway turns to required contact wheel position vertically downward around its central shaft, and sliding bar promotes required contact wheel blade surface is pressed in the abrasive band.Longitudinal sliding block 7 and transverse slider 6 are with upper mounting plate 10, lower platform 13 and be connected branch carry out interlock control in motion control, realize the rubbing down processing to blade.
Claims (6)
1, a kind of blade polishing integral processing machine tool with curve surface adaptive is characterized in that: base is fixedlyed connected the formation fixed station with frame; End slipway that the one-tenth horizontal vertical distributes and slide block pair and transverse slipway and slide block pair provide bidimensional to move; Upper mounting plate links to each other by three branches with lower platform, and these three branch two ends become the hinge of 120 ° of layouts to link to each other with lower platform with upper mounting plate by three respectively; These three branches all adopt shrinking connecting-rod to constitute the single dof mobility pair, and shrinking connecting-rod and lower platform are connected to revolute pair, are connected to the Three Degree Of Freedom spherical hinge with upper mounting plate; This shrinking connecting-rod adopts motor and lead screw pair to drive or adopt servo-cylinder to drive; Install on this upper mounting plate and realize blade clamping and the work piece holder that overturns automatically; The rubbing down tool system comprises abrasive band, tool palette, is installed in two regulating wheels, the driving wheel on the tool palette and changes wheel mechanism; Saidly change the contact wheel that wheel mechanism comprises cross slideway, four sliding bars and four different-diameters; Said cross slideway rotates around its central shaft, and the end of four sliding bars that slide in the cross slideway is equipped with the different-diameter contact wheel respectively.
2, the blade polishing integral processing machine tool with curve surface adaptive according to claim 1, it is characterized in that: the top that end slipway that this one-tenth horizontal vertical distributes and transverse slipway are installed in frame, this lower platform is fixed on the base, this rubbing down tool system moves along transverse slipway by transverse slider, transverse slipway by longitudinal sliding block longitudinally slideway move.
3, the blade polishing integral processing machine tool with curve surface adaptive according to claim 1, it is characterized in that: this end slipway is installed on the base, this transverse slipway is installed in upper rack, end slipway becomes horizontal vertical to distribute with transverse slipway, said lower platform by longitudinal sliding block longitudinally slideway move, said rubbing down tool system moves along transverse slipway by transverse slider.
4, the blade polishing integral processing machine tool with curve surface adaptive according to claim 1, it is characterized in that: end slipway that this one-tenth horizontal vertical distributes and transverse slipway stack are installed in and constitute upper and lower two-layer slideway on the base, this lower platform moves along the upper strata end slipway by longitudinal sliding block, and the upper strata end slipway moves along lower floor's transverse slipway by transverse slider; Said rubbing down tool system is fixed on the top of frame.
5, according to claim 1,2,3 or 4 described blade polishing integral processing machine tools with curve surface adaptive, it is characterized in that: change wheel mechanism and will have the contact wheel withdrawal now by sliding bar according to the vane curvature change in radius, the cross slideway turns to required contact wheel position vertically downward around its central shaft, and sliding bar promotes required contact wheel blade surface is pressed in the abrasive band.
6, according to claim 1,2,3 or 4 described blade polishing integral processing machine tools with curve surface adaptive, it is characterized in that: longitudinal sliding block and transverse slider are with upper and lower platform and be connected branch carry out interlock control in motion control, realize the rubbing down processing to blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710056223XA CN100488721C (en) | 2007-10-26 | 2007-10-26 | Blade machine tool for polishing and grinding adapting to curve surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710056223XA CN100488721C (en) | 2007-10-26 | 2007-10-26 | Blade machine tool for polishing and grinding adapting to curve surface |
Publications (2)
| Publication Number | Publication Date |
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| CN101148021A CN101148021A (en) | 2008-03-26 |
| CN100488721C true CN100488721C (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200710056223XA Expired - Fee Related CN100488721C (en) | 2007-10-26 | 2007-10-26 | Blade machine tool for polishing and grinding adapting to curve surface |
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Families Citing this family (18)
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| CN102019571B (en) * | 2010-10-04 | 2012-03-28 | 吉林大学 | Adaptive machine tool for grinding and polishing complex surfaces |
| CN102079059B (en) * | 2010-12-28 | 2012-12-05 | 江西农业大学 | Method for realizing curved surface machining by means of track of closed controllable space mechanism connecting rod |
| CN102211329A (en) * | 2011-06-02 | 2011-10-12 | 常州大学 | Five-degree-of-freedom spatial series-parallel operating platform |
| CN102267089A (en) * | 2011-08-18 | 2011-12-07 | 西北工业大学 | Flexible grinding head for surface polishing of blisk |
| CN102320014A (en) * | 2011-09-05 | 2012-01-18 | 北京华巍中兴电气有限公司 | High-precision planar position changing mechanism |
| CN102626872A (en) * | 2011-12-01 | 2012-08-08 | 兰州理工大学 | Two-degree of freedom rotary shaft parallel clamp |
| CN103157765A (en) * | 2011-12-16 | 2013-06-19 | 洛阳奇润电力科技有限公司 | Resin sand cast fully-polishing forming device of stator blades of large turbine |
| CN103372803A (en) * | 2012-04-20 | 2013-10-30 | 成都酷玩网络科技有限公司 | Novel die polishing device |
| CN102909627B (en) * | 2012-11-11 | 2015-09-30 | 中信戴卡股份有限公司 | A kind of wheel burr remover |
| CN103949957B (en) * | 2014-04-21 | 2017-01-18 | 清华大学 | Six-axis linkage hybrid connection device based on three-freedom-degree parallel mechanism |
| CN104864811B (en) * | 2015-06-15 | 2017-06-16 | 吉林大学 | A kind of complex-curved in-situ measuring method of blade |
| CN106312753A (en) * | 2016-08-30 | 2017-01-11 | 上海交通大学 | Curved surface parallel polishing device |
| CN106239319A (en) * | 2016-09-29 | 2016-12-21 | 漳州市天趣数控设备有限公司 | A kind of mechanism of sanding machine |
| CN106914805B (en) * | 2017-02-28 | 2019-01-11 | 机械科学研究总院海西（福建）分院有限公司 | A kind of 3D printing product grinding device |
| CN108723955B (en) * | 2018-05-03 | 2020-09-29 | 芜湖懒人智能科技有限公司 | Grinding machine with adjustable range of machined surface |
| CN109531359B (en) * | 2018-10-24 | 2020-07-31 | 江苏大学 | Automatic system of polishing of screw |
| CN112677330A (en) * | 2020-12-28 | 2021-04-20 | 重庆力磊加气混凝土制品有限公司 | Concrete air entrainment brick processing fluting device |
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- 2007-10-26 CN CNB200710056223XA patent/CN100488721C/en not_active Expired - Fee Related
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