CN102366847B - Improved structure of working platform in gear processing machine - Google Patents
Improved structure of working platform in gear processing machine Download PDFInfo
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- CN102366847B CN102366847B CN201110308672.5A CN201110308672A CN102366847B CN 102366847 B CN102366847 B CN 102366847B CN 201110308672 A CN201110308672 A CN 201110308672A CN 102366847 B CN102366847 B CN 102366847B
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Abstract
The invention belongs to the technical field of machinery and provides an improved structure of a working platform in a gear processing machine. The improved structure comprises a fixed platform, a revolving working body and a driving mechanism, wherein the revolving working body is formed by mutually fixedly connecting a revolving table top body with a revolving body, the revolving body is arranged in the fixed platform, multiple groups of angular contact bearings are arranged between the upper part of the fixed platform and the revolving body, the angular contact bearings and the revolving body are in angular contact, an adjusting piece is arranged on the edge of each angular contact bearing along the axial direction, and a cylinder roller bearing is arranged between the lower part of the fixed platform and the revolving body. The improved structure provided by the invention has the advantages that the two bearings are combined and arranged to enable the revolving working body to jump in a small range, the revolving working body can be guaranteed to rotate at high speed, and temperature can be simultaneously well controlled by adjusting tightness of a gap between the angular contact bearings by virtue of a first locking nut, thus rotating speed and torque of the whole working platform are guaranteed to be high and processing accuracy and efficiency of a gear are improved.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of gear-shaping machine, be specifically related to the improved structure of working platform in a kind of gear-shaping machine.
Background technology
In engineering goods, the product of gear class has accounted for major part, all generally to fix cutter by tool driving device in gear-shaping machine, workpiece to be processed is placed on workbench, then the workpiece by rotary cutter and rotation intermeshing make cutter on the axle of workpiece reciprocating by Workpiece shaping needed gear shape, existing workbench is due to design problem in structure, the main this mode that is slidably matched that adopts between workbench and bearing, gap is increased, it is large that coefficient of friction becomes, exist rotating speed low, the problems such as moment of torsion is little, limited like this scope of application of processing machine, and machine work less stable in rotary course, crudy and the operating efficiency of gear have been affected.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, and a kind of rotating speed and moment of torsion of improving is provided, and working stability is safe and reliable, the workbench in the high gear-shaping machine of operating efficiency.
The present invention solves the problems of the technologies described above adopted technical scheme: the improved structure of working platform in a kind of gear-shaping machine, it is characterized in that, comprise fixed station, revolution working body and driving mechanism, described revolution working body is comprised of the revolution table top body and the revolving body that are mutually permanently connected, revolving body is arranged in fixed station, driving mechanism is arranged on fixed station bottom and is connected with revolving body and drives revolving body to rotate, between fixed station top and revolving body, be provided with many group angular contact bearings, contacting between angular contact bearing and revolving body is angular contact, on the axial direction of angular contact bearing edge revolving body, be provided with for regulating the adjustment part in gap between angular contact bearing, between fixed station bottom and revolving body, be provided with cylinder roller bearing.
The measure of taking for optimization such scheme specifically comprises:
In improved structure of working platform in above-mentioned a kind of gear-shaping machine, the quantity of described angular contact bearing is 3 groups, and described adjustment part is the first lock nut, by the first lock nut, pins along the angular contact bearing on revolving body axial direction.
Here by cylinder roller bearing is set, bear radial load, by angular contact bearing is set, bear axial load, adopt two kinds of bearing combination installations to make to turn round working body and beat in very little scope, guaranteed the reliable High Rotation Speed of revolution working body, turn round working body simultaneously and can produce very large caloric value when High Rotation Speed, can cause Bearing Temperature, produce distortion, and bearing after distortion has directly changed the pretension situation of bearing, the stiffness characteristics of bearing and the assembly quality of main shaft and other parts have been affected, when serious, can make bearing damage, power transmission accuracy and utilization rate meeting variation, in existing, do not have corresponding structure to adjust in good time, here by the first lock nut, regulate the elasticity in gap between angular contact bearing, just can well control the caused problem of temperature, thereby guarantee the even running of revolution working body, make whole workbench guarantee that rotating speed is high, high moment of torsion.
In improved structure of working platform in above-mentioned a kind of gear-shaping machine, described driving mechanism comprises motor and reductor, described reductor is connected with motor, the output shaft of reductor is that interference fit is connected with revolving body, and motor drives the rotation of revolution working body after reductor slows down increase moment of torsion.Here the output shaft of reductor and revolving body are that interference fit reduces position error, can guarantee the validity of transmission of power, the effect of reductor is that the outputting power of motor is slowed down to increase moment of torsion, then passes to revolving body, thereby guarantees high-speed smooth operation.
In improved structure of working platform in above-mentioned a kind of gear-shaping machine, the cylinder roller bearing place in described revolving body is also provided with the second lock nut, by the second lock nut, pins cylinder roller bearing.Here by the second lock nut, regulate the elasticity of cylinder roller bearing, just can well control the caused problem of temperature, thereby guarantee the even running of revolving body, improved machining accuracy and the efficiency of gear.
In improved structure of working platform in above-mentioned a kind of gear-shaping machine, between described fixed station top and revolution table top body, be provided with stifle, on fixed station, there is step surface, described stifle end face is fixed on step surface lower than step surface and by hexagon socket cap head screw, between described reductor and fixed station bottom, be also provided with deceleration mantle, deceleration mantle is also fixed on the oral area of fixed station lower end by hexagon socket cap head screw.Here by reductor, pack into luggage and join, prevent that introduced contaminants from entering the generation to High Rotation Speed and disturbing.
Compared with prior art, the invention has the advantages that by cylinder roller bearing is set and bear radial load, by being set, angular contact bearing bears axial load, adopt two kinds of bearing combination installations to make to turn round working body beats in very little scope, guaranteed reliable High Rotation Speed, by the first lock nut, regulate the elasticity in gap between angular contact bearing simultaneously, just can well control the caused problem of temperature, make whole workbench guarantee that rotating speed is high, high moment of torsion, thus machining accuracy and the efficiency of gear improved.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the improved structure of working platform in gear-shaping machine;
Fig. 2 is the overall structure schematic diagram of this gear-shaping machine.
The specific embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
In figure, fixed station 1; Step surface 1a; Revolution working body 2; Driving mechanism 3; Revolution table top body 4; Revolving body 5; Motor 6; Reductor 7; Output shaft 7a; Hexagon socket cap head screw 8; Angular contact bearing 9; The first lock nut 10; Cylinder roller bearing 11; The second lock nut 12; Deceleration mantle 13; Stifle 14; Workbench A.
As depicted in figs. 1 and 2, the improvement structure of workbench A in this gear-shaping machine is to be fixed for the gear to be processed, and rely on this workbench A driven gear to rotate, mainly comprise fixed station 1, revolution working body 2 and driving mechanism 3, driving mechanism 3 comprises motor 6 and reductor 7, and reductor 7 is connected with motor 6.
Revolution working body 2 is comprised of the revolution table top body 4 and the revolving body 5 that are mutually permanently connected, revolving body 5 is arranged in fixed station 1, between fixed station 1 top and revolving body 5, be provided with many group angular contact bearings 9, contacting between angular contact bearing 9 and revolving body 5 is angular contact, the quantity of angular contact bearing 9 is 3 groups in the present embodiment, on the axial direction of angular contact bearing 9 edge revolving bodies 5, be provided with for regulating the adjustment part in gap between angular contact bearing 9, adjustment part is the first lock nut 10, by the first lock nut 10, pin along the angular contact bearing 9 on revolving body 5 axial directions, between fixed station 1 bottom and revolving body 5, be provided with cylinder roller bearing 11, cylinder roller bearing 11 places in revolving body 5 are also provided with the second lock nut 12, by the second lock nut 12, pin cylinder roller bearing 11, here by cylinder roller bearing 11 is set, bear radial load, by angular contact bearing 9 is set, bear axial load, adopt two kinds of bearing combination installations to make to turn round working body 2 and beat in very little scope, guaranteed the reliable High Rotation Speed of revolution working body 2, turn round working body 2 simultaneously and can produce very large caloric value when High Rotation Speed, can cause Bearing Temperature, produce distortion, and bearing after distortion has directly changed the pretension situation of bearing, the stiffness characteristics of bearing and the assembly quality of main shaft and other parts have been affected, when serious, can make bearing damage, power transmission accuracy and utilization rate meeting variation, in existing, do not have corresponding structure to adjust in good time, here by the first lock nut 10, regulate the elasticity in gap between angular contact bearing 9 and regulate cylinder roller bearing 11 gaps by the second lock nut 12, just can well control the caused problem of temperature, thereby guarantee the even running of revolution working body 2, make whole workbench A guarantee that rotating speed is high, high moment of torsion.
The output shaft 7a of reductor 7 and revolving body 5 are connected for interference fit, here the output shaft 7a of reductor 7 and revolving body 5 reduce for interference fit makes position error, motor 6 drives 2 rotations of revolution working body after reductor 7 slows down increase moment of torsion, in order to prevent external interference, between reductor 7 and fixed station 1 bottom, be also provided with deceleration mantle 13, here the effect of reductor 7 is that the outputting power of motor 6 is slowed down to increase moment of torsion, then passes to revolving body 5, thereby guarantees high-speed smooth operation; Between fixed station 1 top and revolution table top body 4, be provided with stifle 14, have step surface 1a on fixed station 1, stifle 14 end faces are fixed on step surface 1a lower than step surface 1a and by hexagon socket cap head screw 8.
During installation, all parts burrs are disposed, then check whether close-fitting of the output shaft 7a of reductor 7 and revolving body 5, stifle 14 is packed on fixed station 1, guarantee that the upper surface of stifle 14 is lower than the upper surface 0.2-0.4mm of the step surface 1a of fixed station 1, again cleaned angular contact bearing 9 is packed in fixed station 1 and between revolving body 5, and lock by the first lock nut 10, again the fixed station assembling 1 and revolution working body 2 are assembled, by hexagon socket cap head screw 8, pin stifle 14, and measure and turn round beating and balance of working body 2, again by cleaned cylinder roller bearing 11 and revolution working body 2 and fixed station 1 assembling, lock the second lock nut 12, debugging elasticity, again measure beating and balance of revolution working body 2, again by deceleration mantle 13, reductor 7 and motor 6 assemble, when motor 6 and reductor 7 assembling, should first refuel, finally the output shaft 7a of the reductor assembling 7 is connected with revolving body 5 interference fit, and by the dynamics of spring scale surveying work platform assembly, finally detect.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from the defined scope of spirit of the present invention.
Claims (1)
1. the improved structure of working platform in a gear-shaping machine, it is characterized in that, comprise fixed station (1), revolution working body (2) and driving mechanism (3), described revolution working body (2) is comprised of the revolution table top body (4) being mutually permanently connected and revolving body (5), revolving body (5) is arranged in fixed station (1), driving mechanism (3) is arranged on fixed station (1) bottom and is connected with revolving body (5) and drives revolving body (5) to rotate, between fixed station (1) top and revolving body (5), be provided with many group angular contact bearings (9), contacting between angular contact bearing (9) and revolving body (5) is angular contact, on the axial direction of angular contact bearing (9) edge revolving body (5), be provided with for regulating the adjustment part in gap between angular contact bearing (9), between fixed station (1) bottom and revolving body (5), be provided with cylinder roller bearing (11), described driving mechanism (3) comprises motor (6) and reductor (7), described reductor (7) is connected with motor (6), the output shaft (7a) of reductor (7) is with revolving body (5) for interference fit is connected, and motor (6) drives revolution working body (2) rotation after reductor (7) slows down increase moment of torsion, cylinder roller bearing (11) in described revolving body (5) locates to be also provided with the second lock nut (12), by the second lock nut (12), pins cylinder roller bearing (11), the quantity of described angular contact bearing (9) is 3 groups, and described adjustment part is the first lock nut (10), by the first lock nut (10), pins along the angular contact bearing (9) on revolving body (5) axial direction, between described fixed station (1) top and revolution table top body (4), be provided with stifle (14), on fixed station (1), there is step surface (1a), described stifle (14) end face is also fixed on step surface (1a) by hexagon socket cap head screw (8) lower than step surface (1a), between described reductor (7) and fixed station (1) bottom, be also provided with deceleration mantle (13), deceleration mantle (13) is also fixed on the oral area of fixed station (1) lower end by hexagon socket cap head screw (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110308672.5A CN102366847B (en) | 2011-10-12 | 2011-10-12 | Improved structure of working platform in gear processing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110308672.5A CN102366847B (en) | 2011-10-12 | 2011-10-12 | Improved structure of working platform in gear processing machine |
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| CN102366847A CN102366847A (en) | 2012-03-07 |
| CN102366847B true CN102366847B (en) | 2014-04-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104911312B (en) * | 2015-06-24 | 2017-03-01 | 合肥合锻机床股份有限公司 | A kind of quenching machine supports rotary gear box and its using method |
| CN105508825B (en) * | 2016-02-01 | 2017-08-25 | 中山市正科电器实业有限公司 | A kind of new-type display screen of adjustable angle |
| CN105798398A (en) * | 2016-05-05 | 2016-07-27 | 湖州科达化工燃料有限公司 | Automatic feeding and discharging device of numerical control gear hobbing machine |
| CN105965103B (en) * | 2016-06-22 | 2018-03-13 | 安徽三山机械制造有限公司 | A kind of high accuracy positioning Stability Analysis of Structures type gear machining equipment |
| CN109027193A (en) * | 2018-08-18 | 2018-12-18 | 卿茂荣 | A kind of preload adjustment configuration of RV deceleration eccentric drive shaft bearings at both ends |
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| US4422265A (en) * | 1981-06-15 | 1983-12-27 | Jacobi-Branston Inc. | Multistation grinding machine |
| CN201389749Y (en) * | 2009-04-28 | 2010-01-27 | 无锡立达齿轮制造有限公司 | Working table of large hobbing machine |
| CN201979298U (en) * | 2010-12-30 | 2011-09-21 | 晋江市威坦机械开发有限公司 | Vertical type rotary worktable of novel NC (numerical control) machine tool |
| CN202291693U (en) * | 2011-10-12 | 2012-07-04 | 宁波市鄞州泰盛数控设备有限公司 | Improved structure of workbench in gear processing machine |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422265A (en) * | 1981-06-15 | 1983-12-27 | Jacobi-Branston Inc. | Multistation grinding machine |
| CN201389749Y (en) * | 2009-04-28 | 2010-01-27 | 无锡立达齿轮制造有限公司 | Working table of large hobbing machine |
| CN201979298U (en) * | 2010-12-30 | 2011-09-21 | 晋江市威坦机械开发有限公司 | Vertical type rotary worktable of novel NC (numerical control) machine tool |
| CN202291693U (en) * | 2011-10-12 | 2012-07-04 | 宁波市鄞州泰盛数控设备有限公司 | Improved structure of workbench in gear processing machine |
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| 崔旭芳等.数控回转工作台的原理和设计.《砖瓦》.2008,(第6期),第23-27页. |
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Address after: 315171 No. 199-217, No. 3 Industrial and Trade Road, Jishigang Industrial Zone, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo Haishu Taisheng CNC Equipment Co., Ltd. Address before: 315171 No. 199-217, Industrial and Trade Third Road, Jishigang Industrial Zone, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: Ningbo Yinzhou Taisheng Numerical Control Equipment Co.,Ltd. |