CN100560284C - The turnover swivel table device - Google Patents
The turnover swivel table device Download PDFInfo
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- CN100560284C CN100560284C CNB2008101371003A CN200810137100A CN100560284C CN 100560284 C CN100560284 C CN 100560284C CN B2008101371003 A CNB2008101371003 A CN B2008101371003A CN 200810137100 A CN200810137100 A CN 200810137100A CN 100560284 C CN100560284 C CN 100560284C
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- clamp mechanism
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Abstract
The present invention relates to a kind of turnover swivel table device.Mainly solve the supporting conventional rotary table of existing heavy machine tool and do not possess flip-flop movement and the low problem of positioning accuracy.It is characterized in that: swivel feeding case (1) and revolution positioning body (4) place pedestal (6) both sides respectively, pedestal (6) top is equipped with 3 revolution clamp mechanism (2) that are angular distribution, there is turning device (3) top of slide (7), and respectively there is the tight mechanism of wire clamp (9) always lathe bed (10) both sides.This turnover swivel table device is except that possessing straight line and revolution also possesses the flip-flop movement function two motor functions, has in light weight, the characteristics that the flip angle error is little of revolution positioning accuracy height, feed box.
Description
Technical field:
The invention belongs to machinery manufacturing technology field, relate in particular to a kind of heavy turnover swivel table device.
Background technology:
The application of rotary table, have production efficiency height, automaticity height, save advantages such as artificial, that floor space is little, the lathe and the production line that are widely used in industrial enterprise, especially the wind wing of wind-driven generator, this workpiece not only has multi-faceted polished surface and fine finishining endoporus, and the polished surface that tilts in addition in the endoporus, and existing heavy type is landed Milling boring machine and the supporting conventional type rotary table of machining center and is had only rectilinear motion and gyration, and do not possess the flip-flop movement function, and the positioning accuracy of each motion is low, is difficult to this type of workpiece of processing.Simultaneously in order to guarantee that machining center has very high straight line and rotating positioning accuracy, need anti-backlash mechanism, eliminate forward and reverse gap of driving-chain, adopt mechanical gap-eliminating structure at present always, utilize clearance elimination gear, give way such as tight mechanism automatically and eliminate the gap, though these ways can be eliminated the static error of drive gap, but having the crack that disappears is not the complicated huge shortcoming of servo-actuated and mechanism, the revolution positioning accuracy only can reach positive and negative 10 seconds, directly affects Cutter Body Processing with Machining Center quality and working (machining) efficiency.And present clamping device is little owing to the clamping force that reasons in structure exists, and reliability is low, the shortcoming that system oil pressure is big, thus directly affect Cutter Body Processing with Machining Center quality and working (machining) efficiency.Existing switching mechanism is to adopt worm and gear or gear drive to drive working platform overturning simultaneously, this structure requires high in mechanical processing process to the accuracy of manufacture, difficulty of processing is big, though realized basic flip angle function, but the upset error is big, only can satisfy positive and negative 1 minute of the flip angle tolerance of flip body, influence the quality of product.
Summary of the invention:
In order to overcome the above-mentioned deficiency of existing heavy machine tool rotary table, the invention provides a kind of turnover swivel table device, this turnover swivel table device has the advantages that to realize rectilinear motion, gyration, flip-flop movement simultaneously, and the positioning accuracy height of each motion.
Technical scheme of the present invention is: a kind of turnover swivel table device, comprise the swivel feeding case, workbench, pedestal, slide, lathe bed, the pedestal both sides have swivel feeding case and revolution positioning body respectively, be connected with two star reductors in the swivel feeding case, star reductor lower end is connected with servomotor, the star reductor connects the gear that is meshed with gear ring by connecting axle, the pedestal top is equipped with 3 revolution clamp mechanism that are angular distribution, but there is the turning device of along continuous straight runs upset the top of slide, correspondence is equipped with up big and down small voussoir in the revolution clamping main body upper end groove in the revolution clamp mechanism, the voussoir piston rod interior with turning round clamping main body is connected, be connected with clamp pad in the groove outside the both sides, revolution clamping main body upper end, fix sinusoidal cylinder on the pedestal, fit with the another side and the slide locating surface of the tangent slip gauge of sinusoidal cylinder, under the slip gauge adjusting pad is arranged, respectively there are two cover straight line clamp mechanism at the slide two ends, the fault trough that two inclinations are arranged on the straight line clamping body on the straight line clamp mechanism, the bottom is stuck on the bed ways for " several " font, and is connected with cylinder body by piston.
The present invention has following beneficial effect: owing to take such scheme, this turnover swivel table makes and can realize flip-flop movement in rectilinear motion, gyration owing to adopted the linear motion device of the swivel feeding case of bi-motor backlash eliminating equipment, hydraulically powered automatic turning device, double nut ball-screw.Aspect swivel feeding owing to adopt the bi-motor backlash eliminating equipment, improved the revolution positioning accuracy, make the positioning accuracy of swivel feeding arbitrarily angledly reach positive and negative 8 seconds at 360 °, simultaneously owing to substituted the complicated mechanical anti-backlash mechanism, simplify the structure of feed box, reduced the overall weight of feed box; On the upset workbench, be provided with a sine mechanism, the workbench that can guarantee to overturn obtains flip angle accurately, angle tolerance is in positive and negative 3.6 seconds scopes, and rotary table cylinder and slip gauge all are fixed on the precision-machined surface of two individualities separately, the factor that does not have change in size on the direction of measurement is so angle-measurement accuracy is secure behind the working platform overturning.Eventually the above, the present invention can realize rectilinear motion, gyration, flip-flop movement simultaneously, and positioning accuracy of each motion significantly improves.
Description of drawings:
Accompanying drawing 2 is that A in the accompanying drawing 1 of the present invention is to view;
Accompanying drawing 3 is that F in the accompanying drawing 2 of the present invention is to view;
Accompanying drawing 4 is vertical views of swivel feeding case 1 of the present invention;
Accompanying drawing 5 is structural representations of swivel feeding case 1 of the present invention;
Accompanying drawing 6 is along the cutaway view of B-B in the accompanying drawing 1;
Accompanying drawing 7 is vertical views of revolution clamp mechanism 2 among the present invention;
Accompanying drawing 8 is structural representations of revolution clamp mechanism 2 among the present invention;
Accompanying drawing 9 is structural representations of cathetus clamp mechanism 9 of the present invention;
1-swivel feeding case among the figure, 2-turns round clamp mechanism, the 3-turning device, 4-turns round positioning body, the 5-workbench, 6-pedestal, 7-slide, 8-straight-line feed case, 9-straight line clamp mechanism, 10-lathe bed, 11-swivel feeding casing, 12-star reductor, the 13-servomotor, 14-connecting axle, 15-gear, the 16-gear ring, 21-turns round clamping main body, 22-piston rod, the 23-inclined-plane, 24-voussoir, 25-clamp pad, the sinusoidal cylinder of 31-, 32-slip gauge, 33-cross cylinder, the 34-adjusting pad, 91-straight line clamping body, 92-carries on the back cap, 93-oil cylinder piston bar, 94-copper coin, 95-cylinder body, the 96-spheric washer, 97-piston, 98-bed ways.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
By Fig. 1 in conjunction with Fig. 2 and shown in Figure 3, a kind of turnover swivel table device, comprise swivel feeding case 1, workbench 5, pedestal 6, lathe bed 10, lathe bed 10 is integral by a large amount of closed adjustable sizing blocks and ground pouring, there is closed concentrated oil return apparatus lathe bed 10 inside, linear feeding system is arranged at lathe bed 10 tops, and linear feeding system is general double nut ball-screw, and straight-line feed case 8 is at an end of lathe bed.What be connected with lathe bed 10 is slide 7, the horizontal guide rail that slide 7 is connected with lathe bed 10 is a closed hydrostatic slideway, guide pass on the slide 7 is the zinc-base wear-resisting alloy material, the two ends of slide 7 are fixed with two cover straight line clamp mechanism 9 respectively, being used for straight-line optional position clamps, straight line clamp mechanism 9 is floating type clamping, the static pressure oil film rigidity between slide 7 and the bed ways 98 is had any impact clamping and unclamp Shi Buhui, and clamping force is big.The middle part of slide 7 rear ends (away from an end of main frame) is provided with working platform overturning device 3, and turning device 3 can make workbench reach desired tilt angle exactly, and is simple and reliable for structure.
Workbench 5 is connected with pedestal 6, workbench 5 is uppermost parts of complete machine, be responsible for card engaging workpiece, and drive workpiece rotation, workbench 5 and pedestal 6 are connected by central shaft, the precise positioning bearing is arranged on the central shaft, and there is the thrust ball bearing back pressure of top load the central shaft upper end, guarantees that workbench 5 revolutions have lower circular runout and axial runout.The below 4x90 of work top ° position has four accurate localization grooves, matches with locating shaft in being fixed in pedestal 6 upper positioning bodies, and the machinery of realizing 4x90 ° of workbench is the location accurately, and workbench 5 positioning accuracy at any angle guarantees by digital control system.
The structural representation of Fig. 4 and Fig. 5 swivel feeding case 1, be connected with two star reductors 12 in the swivel feeding casing 11, star reductor 12 lower ends are connected with servomotor 13, star reductor 12 upper ends are connected with connecting axle 14, connecting axle 14 upper ends are connected with gear 15 by the tensioner cover, gear 15 is meshed with gear ring 16, and perhaps gear 15 is meshed with tooth bar.Owing to adopt the very wide servomotor 13 of two cover response frequencies to constitute linked system, two servomotors 13 drive two cover star reductors 12 respectively, the other end of star reductor 12 respectively drives a gear 15, these two gears 15 mesh with tooth bar or gear ring 16 respectively, tooth bar or gear ring 16 are installed on the controll plant respectively, drive controll plant by them and do rectilinear motion or gyration, two servomotors 13 drive two gears 15 by a cover star reductor 12 respectively, the slot sytem that disappears adopts in the servo operation process the control that links of two servomotors 13, makes two gears 15 remain and gear ring 16 or tooth bar single-sided lamination.System is at folk prescription during to feeding, the moment direction of transfer of transmission is constant, so there is not the gap, when in system reverse drive being arranged, drive gap can embody, at this moment, control system can apply a moment biasing that is enough to overcome the gap to a servomotor 13 of interlock, and drives the anti-flank of tooth and the gear ring 1 or the tooth bar applying of a gear 15, has eliminated backlass, thereby obtained accurate displacement, and had the characteristic of quick response.It is in order to eliminate the backlass in the transmission, to overcome the deficiency of tooth processing, guaranteeing positioning accuracy that two servomotors 13 drive.Make system when dynamically eliminating drive gap, realize the servo-actuated control of high-speed response.Adopt servomotor 13 anti-backlash mechanisms, improved straight line or revolution positioning accuracy, owing to substituted the complicated mechanical anti-backlash mechanism, simplified the structure of feed box simultaneously, reduced the overall weight of feed box.In addition, the actual crack that disappears is a backlass of eliminating driving-chain, and 13 of one of them servomotors apply a moment that is enough to overcome the gap, and after crossing this zone, 13 collaborative exerting oneself of two servomotors.Like this, each servomotor 13 power only is chosen as half of system's peak power, like this, has reduced the energy consumption of sleeve mechanism, guarantees product processing quality.So this bi-motor backlash eliminating equipment positioning accuracy height, the positioning accuracy of swivel feeding arbitrarily angledly reaches positive and negative 8 seconds at 360 °, can realize the servo-actuated of automatic anti-backlash, and simplify the structure of feed box, has reduced the overall weight and the energy consumption of feed box.
Fig. 6 is the structural representation of turning device 3, fix sinusoidal cylinder 31 on the pedestal 6, slip gauge 32 is arranged on the slide 7, slip gauge 32 one sides are fitted with slide 7 locating surfaces, another side and sinusoidal cylinder 31 are tangent, slip gauge has adjusting pad 34 32 times, sinusoidal cylinder 2 is formed a sine mechanism with slip gauge 4, and all be fixed in separately on the precision-machined surface of two individualities, do not have the factor of change in size on the direction of measurement, the thickness of slip gauge 32 calculates by sine, adjusting pad 34 below utilizing is adjusted, eliminate the mismachining tolerance of workpiece, the workbench that can guarantee to overturn obtains flip angle accurately, and angle tolerance is ± 3.6 " in the scope.
During work, jack-up oil cylinder oil supply, workbench 5 is turned to the angle that scope allows by jack-up, cross cylinder 33 promotes slip gauge 32, after slip gauge 32 puts in place, jack-up oil cylinder draining, workbench 5 falls after rise, slip gauge 32 should be tangent with sinusoidal cylinder 31, according to sine, can calculate the thickness of slip gauge 32 according to the goniometer of required upset, at this moment by adjusting the accurate angle that slip gauge 32 following adjusting pads 34 obtain needs, this angle is the final angle value that obtains by the machinery adjustment, has overcome the wherein making error of all workpiece, and the angle of inclination accurately and reliably.
Fig. 7 and Fig. 8 are the structural representation of revolution clamp mechanism 2, comprise piston rod 22 and revolution clamping main body 21, corresponding surface has up big and down small inclined-plane 23 in the revolution clamping main body 21 upper end grooves, 23 of inclined surface are equipped with voussoir 24, the angle of wedge of voussoir 24 and the difference of angle of friction are positive number, just when the angle of wedge of design voussoir 24, allow the angle of wedge of voussoir 24 less than angle of friction, voussoir 24 is connected with revolution clamping main body 21 inner piston rods 22, is connected with clamp pad 25 in the groove outside revolution clamping main body 21 upper ends.Hydraulic system charges into static pressure oil to the oil cylinder epicoele, promoting piston rod 22 moves downward, drive voussoir 24 simultaneously and move downward, the horizontal component that the clamp pad 25 of 24 pairs of both sides of voussoir produces acts on the gear ring circular trough that is fixed on the workbench below by friction, causes clamping table.Revolution clamp mechanism 2 has been utilized the amplification principle of inclined-plane 23 power, can use less oil pressure and reach same clamping torque, simultaneously the angle of wedge of voussoir 24 is designed to less than angle of friction, and then voussoir 24 has locking function, and clamping force disappears when being unlikely to oil circuit and going wrong once in a while, this in addition simple and compact for structure, the swivel feeding that is well suited for panoramic table clamps, and has not only strengthened the clamping force of clamp mechanism, reduces the oil pressure of system, and improve the reliability that clamps, simple and compact for structure.
Fig. 9 is the structural representation of straight line clamp mechanism 9, straight line clamp mechanism 9 is that to clamp and unclamp all be hydraulically powered clamp mechanism, the fault trough that two inclinations are arranged on the straight line clamping body 91 on the straight line clamp mechanism 9, the bottom is stuck on the bed ways 98 for " several " font, and be connected with cylinder body 95 by piston 97, hole oil-feed during clamping below the cylinder body 95, promoting piston 97 moves upward, piston 97 and piston rod 93 are by being threaded togather, spheric washer 96 has guaranteed sealing better between the two, simultaneously owing to leave the fault trough of two inclinations on the straight line clamping body 91, make straight line clamping body 91 form an elastomer, like this, under the pulling of piston rod 93, straight line clamping body 91 inwardly shrinks, copper coin 94 has clamped bed ways 98 as vice, back of the body cap 92 can be adjusted its tightness, and straight line clamping body 91 does not have the play of position, can not change the oil film thickness of slide 7 and 10 hydrostatic slideways of lathe bed, promptly constitute a typical clamp mechanism of floating, hole oil-feed above when unclamping, pushing drawing rod moves downward, and makes that clamping copper coin 94 leaves bed ways 98.
Claims (1)
1, a kind of turnover swivel table device, comprise swivel feeding case (1), workbench (5), pedestal (6), slide (7), lathe bed (10), it is characterized in that: pedestal (6) both sides have swivel feeding case (1) and revolution positioning body (4) respectively, be connected with two star reductors (12) in the swivel feeding case (1), star reductor (12) lower end is connected with servomotor (13), two star reductors (12) connect two gears (15) by connecting axle (14) respectively, and two gears (15) all are meshed with same gear ring (16), pedestal (6) top is equipped with 3 revolution clamp mechanism (2) that are angular distribution, slide (7) but the top turning device (3) of along continuous straight runs upset is arranged, correspondence is equipped with up big and down small voussoir (24) in revolution clamping main body (21) the upper end groove in the revolution clamp mechanism (2), voussoir (24) piston rod (22) interior with turning round clamping main body (21) is connected, be connected with clamp pad (25) in the groove outside the both sides, revolution clamping main body (21) upper end, pedestal (6) is gone up fixing sinusoidal cylinder (31), fit with the another side and slide (7) locating surface of the tangent slip gauge (32) of sinusoidal cylinder (31), adjusting pad (35) is arranged under the slip gauge (32), respectively there are two cover straight line clamp mechanism (9) at slide (7) two ends, the fault trough that two inclinations are arranged on the straight line clamping body (91) on the straight line clamp mechanism (9), the bottom is stuck on the bed ways (98) for " several " font, and is connected with cylinder body (95) by piston (97).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101371003A CN100560284C (en) | 2008-09-12 | 2008-09-12 | The turnover swivel table device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101371003A CN100560284C (en) | 2008-09-12 | 2008-09-12 | The turnover swivel table device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101357438A CN101357438A (en) | 2009-02-04 |
| CN100560284C true CN100560284C (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2008101371003A Expired - Fee Related CN100560284C (en) | 2008-09-12 | 2008-09-12 | The turnover swivel table device |
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| CN (1) | CN100560284C (en) |
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| CN102029527B (en) * | 2009-09-30 | 2012-06-06 | 武汉格威机械有限责任公司 | Constant flow static pressure working table for gear shaping machine or gear milling machine |
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| CN109719522A (en) * | 2019-02-27 | 2019-05-07 | 南京伟诚机械制造有限公司 | A kind of turnable workbench of lathe |
| CN112077221B (en) * | 2020-08-24 | 2022-04-26 | 温州合正生机电科技有限公司 | Gearbox stop gear supporting seat binding off complete sets that shifts for car |
| CN112621232A (en) * | 2020-12-30 | 2021-04-09 | 黑龙江齐四机床有限公司 | Numerical control heavy special deep hole turning and boring machine |
| CN114131465A (en) * | 2021-11-17 | 2022-03-04 | 伯莱塔智能装备(江苏)有限公司 | Polisher with platform is adjusted to multi-angle |
| CN114802054B (en) * | 2022-04-25 | 2023-06-13 | 九江精密测试技术研究所 | Control system applied to vehicle-mounted high-precision linear velocity excitation device |
| CN116159253B (en) * | 2023-04-21 | 2023-06-27 | 智维精准(北京)医疗科技有限公司 | Accelerator |
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| US4172512A (en) * | 1977-08-24 | 1979-10-30 | Kearney & Trecker Corporation | Machine tool with common drive for worktable and pallet shuttle |
| CN2936541Y (en) * | 2006-08-11 | 2007-08-22 | 哈尔滨汽轮机厂有限责任公司 | Position changing machine for welding gas turbine jet nozzle |
| CN200963745Y (en) * | 2006-11-01 | 2007-10-24 | 天津第一机床总厂 | Overturned workbench with sine mechanism |
| DE202007017253U1 (en) * | 2007-12-11 | 2008-02-14 | Deckel Maho Pfronten Gmbh | Workpiece table for machine tools |
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2008
- 2008-09-12 CN CNB2008101371003A patent/CN100560284C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4172512A (en) * | 1977-08-24 | 1979-10-30 | Kearney & Trecker Corporation | Machine tool with common drive for worktable and pallet shuttle |
| CN2936541Y (en) * | 2006-08-11 | 2007-08-22 | 哈尔滨汽轮机厂有限责任公司 | Position changing machine for welding gas turbine jet nozzle |
| CN200963745Y (en) * | 2006-11-01 | 2007-10-24 | 天津第一机床总厂 | Overturned workbench with sine mechanism |
| DE202007017253U1 (en) * | 2007-12-11 | 2008-02-14 | Deckel Maho Pfronten Gmbh | Workpiece table for machine tools |
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| CN101357438A (en) | 2009-02-04 |
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Granted publication date: 20091118 Termination date: 20170912 |