CN104907635A - Direct-drive zero-transmission completely numerical control horizontal gear hobbing machine - Google Patents

Direct-drive zero-transmission completely numerical control horizontal gear hobbing machine Download PDF

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CN104907635A
CN104907635A CN201410088131.XA CN201410088131A CN104907635A CN 104907635 A CN104907635 A CN 104907635A CN 201410088131 A CN201410088131 A CN 201410088131A CN 104907635 A CN104907635 A CN 104907635A
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cutter
shaft
workpiece
spindle
direct
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谢云生
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Zhangjiagang Yi Teng Machinery Co Ltd
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Zhangjiagang Yi Teng Machinery Co Ltd
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Abstract

The invention discloses a direct-drive zero-transmission completely numerical control horizontal gear hobbing machine. The machine comprises a driving system, a transmission system, a numerical control system, a machine tool body, a workpiece control part, a tool part, a displacement control part, a protective cover, a tail base box, a chip removing device, a cooling device, a hydraulic device and an electric cabinet, wherein a workpiece main shaft C, a tool main shaft B, a feed shaft X and a feed shaft Z are driven by a direct-drive servo motor, and fit a high-precision encoder and a grating ruler to perform the closed-loop data control; the cooling device, the hydraulic device and the electric cabinet are matched outside the machine tool body; a laser tool setting device is arranged in front of the machine tool body; a direct-drive workpiece main shaft box is arranged at the left end of the machine tool body; a movable tail base box is arranged at the right end of the machine tool body; and the tail base box can move on the machine tool body through a slide surface. The machine eliminates the accumulation error and the indexing error, and is high in processing precision; a full closed-loop numerical control system realizes the high-speed and high-efficiency operation, and realizes the dry cutting and the secondary gear hobbing operation, so that the product surface quality is excellent.

Description

One directly drives Zero-drive Chain Full-numerical-control horizontal hobbing machine
Technical field
The present invention relates to a kind of gear-hobbing machine manufacturing technology apparatus field, particularly one directly drives Zero-drive Chain Full-numerical-control horizontal hobbing machine.
Background technology
Manufacture in processing technique field at gear mechanism, gear is the spare part in common use being widely used in various power transmission shaft power transmission, tradition manufacturing processing technic uses gear-hobbing machine to carry out roughing mostly, then fine grinding processing is carried out, because gear-hobbing machine precision and efficiency all can not meet the needs of gear process level, cause that Gear Production working (machining) efficiency is low, cost is high.
Existing numerical control horizontal gear hobbing machine bed is generally reequip on common mechanical type gear hobbing lathe, common electric machine on mechanical type gear hobbing lathe is replaced with servomotor or stepper motor, each through-drive chain is still by the transmission of the mechanical part such as gear, turbine, so its machining accuracy does not improve, just reduce labour intensity, improving production efficiency; Existing numerical control horizontal gear hobbing machine bed, there is part axle by servo motor transmission, although the mechanical part transmission such as multi-stage gear simplifies to some extent in each through-drive chain, but adopt mechanical transmission more, still thoroughly cannot eliminate the impact of accumulated error and the error of division; Adopt mechanical transmission, driving error is large, transmission accuracy is low, process velocity is slow, equipment failure rate is high, maintenance is complicated.Gear Processing precision determines the effect played in gear application, in overall processing process, as long as there is the transmission of an axle to there is non-direct drive pattern, the raising of the machining accuracy of overall lathe will be had influence on, and wearing and tearing also can be there are in gear itself, thus increase the machining accuracy of driving gearshaft further, also can have influence on the service life of whole lathe.
Patent of invention CN102825340A, disclose a kind of chain digital control gear hobbing machine, be roll stream tooth machine by common number to transform, the transmission mechanism of the generating motion parts in general NC gear-hobbing machine is optimized, realize electric machine main shaft and hobboing cutter main shaft, Zero-drive Chain between motor and workbench; Improve the machining accuracy of general NC gear-hobbing machine whereby; Shortcoming there is inadequate natural endowment to the improvement of general NC gear-hobbing machine, only achieve the Zero-drive Chain of motor and cutter shaft, workbench, still there is mismachining tolerance for the control of other main shaft and transmission, is more early stage technological transformation, is difficult to realize high accuracy processing.
Patent of invention CN101298106A, disclose a kind of Zero-drive chain digital control gear hobbing machine, its second main shaft driving hobboing cutter to rotate directly is connected with servomotor, leading screw in hobboing cutter feed screw nut is directly connected with corresponding servomotor, but driving the mode of work spindle C still for being drive it to rotate by a gear train, can only be limited reduction driving error.
Utility model patent CN202726203U, disclose a kind of full-automatic seven axles pair and directly drive numerical control dry cutting gear-hobbing machine, all shifting axles of lathe are numerical control axle, and cutter spindle B and work spindle C is two directly drives technology; But shortcoming is: the servomotor on tool-post structure connects reductor, reductor connects ball-screw by shaft coupling, left socle and right support ball-screw be equipped with, the tool-post structure directly driven still has ball-screw-transmission, that is the feed shaft X controlling cutter spindle B displacement with walk cutter shaft Z and all do not realize directly driving mode, so cannot avoid the generation of the error of division of accumulated error, machining accuracy cannot improve.Although be Full-numerical-control, be not entirely directly drive.
In sum, in prior art, the work spindle of horizontal hobbing machine bed controls to cutter spindle and three relevant axes of coordinates, also more or less maintain gear transmission mode, exactly because also on the work spindle and cutter spindle direction of key, there is no the reform of essence, the precision causing current manufacture to add gear work technique is good not, the efficiency of producing is not high, and the operation stability of horizontal hobbing machine bed is bad, is difficult to carry out the secondary operations of gear; Lack a kind of horizontal hobbing machine bed of high-efficiency high-precision Full-numerical-control, meet actual manufacture and the needs produced.
Summary of the invention
For solving the problems of the technologies described above, the invention provides one and directly drive Zero-drive Chain Full-numerical-control horizontal hobbing machine bed, for defect problem existing in gear manufacture processing, two intermediate transmission link gears of thorough removal numerical control horizontal gear hobbing machine bed cutter spindle and two intermediate transmission link gears of work spindle, on the precision axis being related to workpiece to be machined, whole employing direct-drive type Zero-drive Chain pattern, fundamentally avoid the accumulated error because gear drive causes and the error of division, improve the machining accuracy of workpiece; Full-numerical-control mode is adopted to improve the batch production efficiency of Integral horizontal type gear hobbing lathe; Divide tooth and differential implementation full closed loop control, guarantee that the stability of whole horizontal hobbing machine bed is run; Optimize structural design and the tool setting function of complete machine, realize gear manufacture processing and the secondary gear hobbing process of high-accuracy high-efficiency rate.
For achieving the above object, technical scheme of the present invention is as follows: one directly drives Zero-drive Chain Full-numerical-control horizontal hobbing machine, comprise gear-hobbing machine form 1., gear-hobbing machine assembly 2., position be connected 3., drive system 4., transmission system 5., digital control system 6. with corollary apparatus 7., and performance and functional character are 8., it is characterized in that:
Described overall processing precision and efficiency of directly driving Zero-drive Chain Full-numerical-control horizontal hobbing machine, be closely related with every key element of gear-hobbing machine, from the hardware of entirety, structure, position, connection, type of drive, transmission mode, numerical control measure, the performance embodied to entirety and function all directly can have influence on machining accuracy and the efficiency of gear-hobbing machine; Meet Bucket Principle in this respect, as long as wherein there is one piece of short slab, then whole bucket level just cannot raise; As long as there is axis existing defects in the key elements such as structure, driving, transmission, control, the machining accuracy of overall gear-hobbing machine and efficiency and relevant function also just cannot get a promotion.The present invention all proposes corresponding optimizing design scheme in above-mentioned every key element for this reason, thus could in the machining accuracy of overall gear-hobbing machine and efficiency, and real realization is significant, the lifting of matter.
1. the formation of described gear-hobbing machine, comprises lathe body, workpiece control part, cutter part, Bit andits control portion, protective cover, tailstock case, chip removal device, cooling device, hydraulic means and regulator cubicle.
Described gear-hobbing machine carries out Gear Processing according to generation method also known as generating; When described generation method is according to a pair meshed transmission gear, the principle of the flank profil of two-wheeled conjugate curves is each other processed.During gear hob cutting, the shape of hobboing cutter is as a spiral, and its projection on wheel blank end face is a tooth bar, and when hobboing cutter rotates continuously, the projection tooth bar being equivalent to an endless moves forward.During processing straight spur gear, because the helix of hobboing cutter must be consistent with the teeth directional of spur gear, therefore need hobboing cutter axis to tilt a lead angle; The relative motion of hobboing cutter and wheel blank has two, and one is rolling movement, and for cutting goes out the required number of teeth, another is feed motion, and hobboing cutter moves along wheel blank axis direction.
Described lathe body is provided with the direct-drive type workpiece spindle box driving workpiece to rotate, and is provided with work spindle C, i.e. C axle in described workpiece spindle box; Described lathe body is provided with the direct-drive type tool head driving hobboing cutter to rotate, described tool head is provided with cutter spindle B, i.e. B axle; Described lathe body is provided with and drives tool head by the translating device of processing request along X, Y, Z-direction translation, drive the cutting-tool angle adjusting device that tool head turns along YZ plane internal rotation by processing request, i.e. A axle; Described X, Y, Z are vertical between two in space, and feed shaft X is arranged along the longitudinal direction, alters cutter shaft Y along upper and lower to setting, walks cutter shaft Z and arranges in left-right direction.Also be provided with laser tool setting device in lathe body front, be convenient to the secondary operations of workpiece again after clamping.
The other end of described lathe body is provided with removable tailstock case, and tailstock case can be moved by sliding surface on lathe body.Tailstock case is provided with tailstock centre, and tailstock centre and direct-drive type work spindle C are coaxially oppositely arranged, and is driven and can be moved along its axial stretching, hold out against or unclamp the centre of gyration of workpiece to be processed by barrel of tail stock by cylinder component.Between tailstock casing left end and barrel of tail stock, be provided with 4 locking oil cylinders of stopping, eliminate the gap between barrel of tail stock and tailstock casing.
Be provided with protective cover above described lathe body, can open and close, for the protection of complete machine; Be provided with chip removal mouth in the middle of described lathe body, described chip removal mouth is communicated with automatic filings discharging device, and automatically will process outside iron filings discharge lathe body; Outside described lathe body, be also supportingly provided with cooling device, hydraulic means and regulator cubicle, for gear-hobbing machine of the present invention provides relevant equipment.
2. described gear-hobbing machine assembly, comprising: six main shafts, main spindle box, feed box, dragging plate mechanism, and connecting shaft is tied, bracket supporting plate etc.
On described lathe body, be provided with work spindle C; Cutter spindle B axle; Nose angle regulates principal axis A; Described work spindle C to be arranged on workbench and parallel with work top, described cutter spindle B to be arranged on tool head and vertical with work top, described nose angle regulating shaft A to be arranged on feed shaft X feed box and parallel with work top, for adjusting control cutting-tool angle; Described tool head is arranged on Three dimensions control platform, and described Three dimensions control platform is arranged in the middle part of lathe body; Described three-dimensional working platform is provided with X, Y, Z tri-shifting axles, described in walk cutter shaft Z be axle along the movement of workbench parallel direction, described feed shaft X is arranged in X feed box, and the feeding controlling fore-and-aft direction is moved; Describedly alter the rear that cutter shaft Y is arranged at described cutter spindle B, be arranged in parallel with described cutter spindle B, control moving up and down of tool head.Described walk cutter shaft Z be provided with away cutter shaft Z supporting plate mechanism; The described cutter shaft Y that alters is provided with and alters cutter shaft Y trigger structure.Described work spindle C is provided with workpiece spindle box; Described feed shaft X is provided with feed shaft X main spindle box; Described cutter spindle B is provided with tool head.Various main shaft and driving, running part are tied by connecting shaft or board bracket is connected.
3. described gear-hobbing machine position be connected,
Described cutter translating device and nose angle adjusting device comprise can along walk the translation of cutter shaft Z-direction walk cutter shaft Z supporting plate mechanism, can along the feed shaft X feed box of feed shaft X-direction translation, cutter shaft Y dragging plate mechanism can be altered along what alter cutter shaft Y translation.And drive tool head at the cutting-tool angle adjusting device of YZ rotation with in surface.Walking cutter shaft Z supporting plate mechanism is arranged on lathe body by straight-line rolling guide set, feed shaft X feed box is arranged on away on cutter shaft Z supporting plate mechanism by rail plate pair, alter cutter shaft Y dragging plate mechanism and be arranged on feed shaft X feed box front end, nose angle regulating shaft A is arranged on feed shaft X feed box upper left quarter by worm gear pair.
Described direct-drive type workpiece spindle box is arranged on one end of lathe body, work spindle C(rotating shaft), by hollow servomotor by the direct Driven by Coaxial of connector.Work spindle C is hollow shaft, and its right-hand member is provided with telescopic clamp compact form Workpiece clamping head assembly.
The rotating speed of direct-drive type work spindle C is followed according to generating process principle automatically by the rotating speed of upper-level control system according to direct-drive type cutter spindle B.The actual circumferential position of work spindle C is determined by coaxial mounted high-precision encoder.
Direct-drive type tool head comprises cutter spindle casing, cutter spindle B, knife bar, hollow servomotor, connector, knife bar pull bar, high-precision encoder and bracket; Cutter spindle B is set to B axle (rotating shaft), by hollow servomotor by connector Direct driver.The actual circumferential position of cutter spindle B is determined by coaxial high-precision encoder.Knife bar is strained by pull bar, and knife bar can be installed the hobboing cutter of different size, is provided with cutter bar bracket at knife bar tail end.
Walk cutter shaft Z dragging plate mechanism to comprise walking cutter shaft Z supporting plate seat, walk cutter shaft Z servomotor, walk cutter shaft Z ball screw assembly.Walk cutter shaft Z servomotor and walk cutter shaft Z ball screw assembly, by connecting shaft knot Direct driver, drive cutter long feed by the screw Connection Block on ball screw assembly.Walk cutter shaft Z dragging plate mechanism to be arranged on lathe body by straight-line rolling guide set.
Feed shaft X feed mechanism is arranged on away on cutter shaft Z dragging plate mechanism by plastic-sticking guiding rail.Comprise feed shaft X feed box, feed shaft X servomotor, feed shaft X ball screw assembly.Feed shaft X servomotor is by connecting shaft knot Direct driver feed shaft X ball screw assembly, and feed shaft X screw Connection Block is fixed on away on cutter shaft Z supporting plate seat, and feed shaft X ball-screw is arranged on feed shaft X feed box; Movable to realize cutter radial feed by the rotary actuation feed box of ball-screw.
Alter cutter shaft Y supporting plate mechanism comprise alter cutter shaft Y planker seat, alter cutter shaft Y servomotor, decelerator, connecting shaft knot, T-shaped lead screw pair, nut seat.Alter cutter shaft Y servomotor connection reducer, then connecting shaft knot, then drive T-shaped lead screw pair, drive direct-drive type tool head to move along Y-direction by the nut seat be fixed in T-shaped lead screw pair, realize cutter and alter cutter function.Alter cutter shaft Y supporting plate mechanism to be fixed on gyroaxis.Alter cutter shaft Y supporting plate mechanism by pull bar, gyroaxis, be arranged on feed shaft X feed box.By butterfly spring group, accurate locking nut, coupling mechanism force acts on pull bar, will alter cutter shaft Y supporting plate mechanism and is locked on feed shaft X feeding casing by gyroaxis.Feed shaft X feed box rear end is provided with oil cylinder and cylinder body.When cutting-tool angle needs revolution, oil cylinder first compresses butterfly spring group, reduces the coupling mechanism force between gyroaxis and feed shaft X feeding casing, then cutter adjustable angle.After cutting-tool angle has adjusted, oil cylinder has been return, and butterfly spring group acts on accurate locking nut, and coupling mechanism force acts on pull bar, again locks between gyroaxis and feed shaft X feeding casing.
A axle cutting-tool angle adjusting device is made up of A axle servomotor, reductor, connecting shaft knot, worm gear pair; A axle servomotor drives worm gear pair by reductor and connecting shaft knot, drives the cutter shaft Y supporting plate mechanism of altering be fixed on gyroaxis to rotate, realizes cutting-tool angle adjustment.Turbine in worm gear pair is fixed on gyroaxis.
4. the drive system of described gear-hobbing machine, comprise A, B, C, X, Y, Z axis type of drive and drive servomotor.
Namely gear-hobbing machine application built-in electric motor of the present invention directly drives technology, and cutter spindle B adopts hollow servomotor to be directly sleeved on cutter spindle B, and described cutter spindle B afterbody coaxially installs a high precision position encoder feedback main spindle's; Work spindle C adopts hollow servomotor to be directly sleeved on work spindle C, and work spindle C afterbody coaxially installs a high precision position encoder feedback main spindle's.There is not any mechanical transmission component between such workpiece and cutter, be referred to as " Zero-drive Chain "; Feedback element direct-detection hobboing cutter and work shaft position, constitute the closed-loop of real meaning.Desirable indexing accuracy and good surface quality can be obtained.
Described feed shaft X is controlled by servomotor Direct driver, and arranges linear grating chi feedback position information; Described walk cutter shaft Z controlled by servomotor Direct driver, and linear grating chi feedback position information is set; Feed shaft X with walk cutter shaft Z position and all form Closed-loop Nc System, type of drive all adopts servomotor Direct driver, thus to ensure that feed that cutter shaft Z was moved and walked in the feeding of the feed shaft X of solid tool main shaft B is moved be all realize directly driving under state.
Described nose angle regulating shaft A is provided with high precision position encoder, for controlling cutting-tool angle adjustment positional information, described in alter cutter shaft Y and be also provided with upper-lower position and control grating scale, accurately control upper and lower tool displacement distance.Carry out when non-work pieces process although nose angle regulating shaft A operates with the adjustment of altering cutter shaft Y, that is nose angle regulating shaft A with alter cutter shaft Y and there is no need Direct driver, but nose angle regulating shaft A and alter cutter shaft Y mobile to control with feedback be the machining accuracy that can have influence on solid tool main shaft B, for this reason, knife degree regulating shaft A is equipped with high-precision encoder, alters cutter shaft Y and linear grating chi is housed.
5. the transmission system of described gear hobbing, comprises reductor, screw mandrel, leading screw, collet fixture etc.,
Described Design of Transmission System technical scheme is: by six axis servomotors: cutter angular adjustment axle A; Cutter spindle B; Work spindle C; Feed shaft X; Alter cutter shaft Y and walk cutter shaft Z; Constitute the main body transmission system of direct-drive type Zero-drive Chain Full-numerical-control horizontal hobbing machine bed; 6 described axis servomotors are undertaken numerical control operated by upper digital control system by generation method hobbing principle; Upper digital control system is according to technological parameter, and export corresponding pulse and drive corresponding servomotor to each axis servomotor, position signalling is fed back to upper digital control system by the encoder of respective shaft or grating scale.And adopt 15 cun of very color touch screens as operation interface, directly perceived, convenient; The concrete transmission scheme of each operating axis is as follows: B through-drive is rotated by B shaft hollow servomotor Direct driver (Zero-drive Chain) cutter spindle B; (directly driving); C through-drive is rotated by C shaft hollow servomotor Direct driver (Zero-drive Chain) cutter spindle B; (directly driving); Feed shaft X transmission realizes cutter spindle B radial feed by feed shaft X servomotor Direct driver ball-screw 48 carry its tools; (directly driving); Walk cutter shaft Z transmission and realize cutter spindle B long feed by walking cutter shaft Z servomotor Direct driver ball-screw 53 carry its tools; (directly driving); Alter cutter shaft Y transmission to drive T-shaped leading screw 36 to realize the upper and lower entirety of cutter spindle B by reductor 33 to alter cutter by altering cutter shaft Y servomotor 32; A through-drive drives worm gear pair 41(scroll bar 411 and turbine 412 by A axle servomotor 57 by reductor 56) realize milling head angle adjustment.
6. the digital control system of described gear-hobbing machine, comprises touch screen controller, high-precision encoder, linear grating chi, laser tool setting device, electrical control cabinet etc.All carry out real-time control and regulation by closed loop control loop system.
Namely direct-drive type Zero-drive Chain numerical control horizontal gear hobbing machine bed application built-in electric motor of the present invention directly drives technology, and cutter spindle B adopts hollow servomotor to be directly sleeved on cutter spindle B, and main shaft tail coaxially installs a position coder feedback main spindle's; Work spindle C adopts hollow servomotor to be directly sleeved on work spindle C, and main shaft tail coaxially installs a position coder feedback main spindle's.Described feed shaft X is controlled by servomotor Direct driver, and arranges linear grating chi feedback position information; Described walk cutter shaft Z controlled by servomotor Direct driver, and linear grating chi feedback position information is set; Feed shaft X with walk cutter shaft Z position and all form Closed-loop Nc System.Described nose angle regulating shaft A is provided with high precision position encoder, for controlling cutting-tool angle adjustment positional information, described in alter cutter shaft Y and be also provided with upper-lower position and control grating scale, accurately control upper and lower tool displacement distance.
Feedback element: linear grating chi and high-precision encoder direct-detection hobboing cutter and work shaft position, and real time information is fed back to control system, send reflection order by control system, adjustment operation is carried out to cutter and work axle, constitutes the closed-loop of real meaning.Desirable indexing accuracy and good surface quality can be obtained.
Full closed loop control in the present invention has cutter spindle B(B axle), work spindle C(C axle), radial feed (feed shaft X), axial feed (walking cutter shaft Z), alter cutter shaft Y and nose angle regulating shaft A; The current actual positions of cutter spindle B encoder direct-detection cutter spindle B also feeds back to upper digital control system, and upper digital control system obtains the current actual positions of cutter spindle B by cutter spindle B encoder, does not need to arrange detecting element in addition; Feed shaft X-direction is provided with grating scale and detects feed shaft X feed box physical location; Walk cutter shaft Z-direction be provided with grating scale detect walk cutter shaft Z feed box physical location; Nose angle regulating shaft A is provided with high-precision encoder, alters cutter shaft Y and is provided with grating scale.
In the present invention, lathe body front is provided with laser tool setting device; After workpiece first time machines, do not dismantle workpiece, operator starts tool setting function on touch screen controller, laser tool setting function on, work spindle C starts by the speed of setting, upper-level control system calculates the center of teeth groove, the width of teeth groove automatically, and stores corresponding data, and after completing, work spindle C stops the rotation; Then workpiece can be dismantled, when the workpiece of same model needs again clamping secondary operations, install workpiece, operator starts tool setting function on touch screen controller, laser tool setting function on, work spindle C is automatically rotated to the position location at correct teeth groove center by the data of this model workpiece, then just can again cut.
7. described gear-hobbing machine corollary apparatus, comprises automatic filings discharging device, cooling device, hydraulic means etc.
In the present invention, in the middle part of lathe body, be provided with automatic chip-removal mouth, add and by automatic filings discharging device, chip is discharged automatically man-hour; Lathe body is also provided with integral protection cover, and protective cover is by direct-drive type workpiece spindle box, direct-drive type tool head and hobboing cutter moves and the encapsulation of hobboing cutter angular adjustment apparatus.Protective cover front is provided with the dodge gate that can move left and right.
Outside described lathe body, also supportingly cooling device and hydraulic means are arranged, for gear-hobbing machine of the present invention provides required relevant equipment.
8. the performance of described gear-hobbing machine and functional character, comprise high efficiency, high speed, high accuracy; The stability of secondary gear hobbing process and gear-hobbing machine and reappearance; Full-numerical-control zero_time holding operates; Dryly cut processing; Hardened gear face is processed; Tool Management System; Collision prevention function; Cutting Process memory function.
Described work spindle C, cutter spindle B, feed shaft X and walk cutter shaft Z and all adopt servomotor direct drive mode, the gear transmission part relevant to Workpiece Machining Accuracy and indexing accuracy is all dispensed, therefore fundamentally eliminate in gear hobbing process process, the generation of accumulated error and the error of division and accumulation problem are the essential measures improving Workpiece Machining Accuracy; In Gear Processing field, the complete directly pattern of driving is an important innovations of gear hobbing lathe, the optimize and improve of other parts or device all depends on most basic technological innovation, if the essence optimization not in type of drive, peripheral setting can produce accumulated error and the error of division with the improvement of device is all unavoidable.
※ has high efficiency: the main shaft directly driving Zero-drive Chain Full-numerical-control horizontal hobbing machine adopts high-precision high-speed bearing and without intermediate transmission link, makes its spindle speed directly depend on the rotating speed of its direct driving motor, and the direct driving motor speed adopted in the present invention reaches 3000rpm; High rotating speed can be brought the high speed performance of modern cutter into play incisively and vividly, raises the efficiency more than 10 times than traditional horizontal hobbing machine bed.
※ has high speed: described work spindle C, cutter spindle B, feed shaft X and walk cutter shaft Z and entirely directly drive Zero-drive Chain pattern, avoid processing vibration and vibration passing problem that mechanical gear transmission causes, therefore the running of equipment complete machine can realize steadily processing operation at higher speeds, thus enhance productivity, save production cost.Maximum speed of spindle reaches 3000rpm; Workbench maximum speed can reach 1000rpm.High rotating speed can be brought the high speed performance of modern cutter into play incisively and vividly, thus obtains very high production efficiency.When use " Speedcore " and carbide hob, linear velocity can reach 300m/min.
※ has high accuracy: because point tooth and differential motion take full closed loop control and the electronic gearbox adopted, a point tooth precision can reach 4 grades or higher.In actual applications, machining accuracy is subject to the restriction of hobboing cutter and clamping workpiece precision, and machine tool accuracy is no longer the factor affecting machining accuracy.In production practices, under rational clamping and cooling condition, when high-speed cutting, 6 grades of stable machining accuracies can be obtained.Because the design of above-mentioned direct-drive type Zero-drive Chain improves with structure optimization, the present invention is made to have desirable indexing accuracy and the excellent surface quality of workpiece.
※ workpiece secondary operations and stability, reappearance: the direct-drive type Zero-drive Chain design adopted due to the present invention, be provided with laser tool setting device, can hobboing cutter and gear grooved be made when secondary operations to align and make surplus even, thus make the secondary operations of workpiece become may and obtain stable processing characteristics, described work spindle C, cutter spindle B, feed shaft X and walk cutter shaft Z and entirely directly drive Zero-drive Chain pattern, cause stability and the reappearance of processing technology and process, the secondary operations that therefore can realize workpiece repeats processing with identical workpiece, ensure that the uniformity of the machining accuracy of batch workpiece.
※ Full-numerical-control zero_time holding operates: Numerical control system, 15 cun of very color touch-screens are adopted to be operation interface, zero_time holding designs, provide conveniently for using with operation, all six axis servomotors are pressed generation method hobbing by upper digital control system and are controlled, and by encoder and grating scale real time detection signal, and form closed loop control loop, and match with direct-drive type Zero-drive Chain pattern, overall performance and the machining accuracy improving horizontal hobbing machine bed.
Direct-drive type numerical control horizontal gear hobbing machine bed provides a parameterized operation interface for user, user according to the input of workpiece situation cutter parameters, workpiece parameter, technological parameter and feeding number of times, without any need for programming instruction.Low to the requirement of operating personnel.
Described work spindle C and cutter spindle B all selects hollow servomotor, all adopts axle sleeve dress to detect position signalling with high precision position encoder or grating scale, guarantees the real-time that driving and signals collecting are fed back and accuracy.
The described cutter shaft Y that alters adopts the design of reductor, T-shaped screw mandrel; Described nose angle regulating shaft A adopts reductor, scroll bar and turbine design.Described work spindle C, cutter spindle B, feed shaft X and walk cutter shaft Z direct-drive type Zero-drive Chain structure and there is not any mechanical transmission component between workpiece and cutter, truly achieve Zero-drive Chain, therefore position coder detection signal just can be made to realize transmitting in real time and feedback, the closed-loop Data Control of control system could be realized.
※ is dry cuts processing: make the robust motion of lathe due to Zero-drive Chain and automatically move cutter function, makes direct-drive type horizontal hobbing machine bed become the most applicable and carries out the lathe that high-speed dry cuts Hobbing processing.Pure machine driving or the longer horizontal hobbing machine bed of driving-chain are not suitable for high-speed dry and cut hobbing processing, because the driving error of mechanical drive train causes the vibration in Rolling-cut shear process, and the cutter material that this vibration is cut for high-speed dry, quality is firmly crisp is fatal impact, vibration causes the heel and toe wear of blade, and cutter loses profile accuracy soon.
※ Hardened gear face is processed: direct-drive type numerical control horizontal gear hobbing machine bed can carry out secondary tool setting to quenching hard gear by laser tool setting device, and " Speedcore " and carbide hob can be used to carry out the processing of secondary high-speed rolling-cutting to quenching hard gear, and hardness can reach HRC62.
※ Tool Management System: evenly altering cutter is the important means improving cutter life, reduce sharpening amount and sharpening number of times.Can arrange and alter cutter step pitch, alter cutter original position and final position, alter cutter number of times.When altering cutter number of times and reaching predetermined value, lathe is shut down, and prompting operator checks cutter or changes cutter.
Using direct-drive type Full-numerical-control horizontal hobbing machine, can control evenly to alter cutter because adopting, make the wear extent of the cutting edge of hobboing cutter close to consistent, make full use of each cutting edge of hobboing cutter, significantly improve cutter life.
※ collision prevention function: machine tool center adopts absolute coordinate, the hobboing cutter that can prevent program error from causing and the collision of workpiece to the position of workpiece centre.
※ Cutting Process stores: building database in system, can store the cutting parameter of 1000 workpiece for calling later.
Pass through technique scheme, the beneficial effect of technical solution of the present invention is: the present invention all adopts directly drive structure (Zero-drive Chain) at the crucial axle B of horizontal hobbing machine bed, C, X, Z axis, fundamentally eliminate accumulated error and error of division link, the machining accuracy of workpiece is improved; Optimal design of the present invention makes frame for movement significantly simplify, thus realizes the processing of gear hobbing high efficiency; Owing to entirely directly driving and optimal design, make feedback element direct-detection hobboing cutter and work spindle C live signal, form closed-loop digital control system truly, make the present invention have desirable calibration machining accuracy; Directly drive Zero-drive Chain technology owing to have employed, operation stability of the present invention is improved greatly, thus high-speed cruising can be implemented and dryly cut processing; The gear product excellent surface quality of processing; Owing to present invention employs red laser tool setting technology, make the present invention can carry out secondary hobbing operation to workpiece, improve precision and the quality of processing further; The present invention can extend cutting-tool's used life; The present invention can also process Hardened gear face material; Direct-drive type Zero-drive Chain numerical control horizontal gear hobbing machine bed provided by the invention, can be used for high-accuracy high-efficiency rate processing spur gear, helical gear, bevel gear, drum gear, turbine, sprocket wheel, synchronous pulley, straight splined shaft, the oblique splined shaft of low-angle, tapering splined shaft etc.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme in the embodiment of the present invention or prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of direct-drive type Zero-drive Chain Full-numerical-control horizontal hobbing machine transmission system schematic diagram disclosed in the embodiment of the present invention;
Fig. 2 is a kind of direct-drive type Zero-drive Chain Full-numerical-control horizontal hobbing machine structural diagrams intention disclosed in the embodiment of the present invention;
Fig. 3 is a kind of direct-drive type Zero-drive Chain Full-numerical-control horizontal hobbing machine left view schematic diagram disclosed in the embodiment of the present invention;
Fig. 4 is a kind of direct-drive type Zero-drive Chain Full-numerical-control horizontal hobbing machine top view schematic diagram disclosed in the embodiment of the present invention.
Numeral and the corresponding component title represented by letter in figure:
1. cutter shaft Y dragging plate mechanism altered by lathe body 2. workpiece spindle box 3. tool head 4.
5. cutter shaft Z dragging plate mechanism 7. protective cover 8. tailstock case walked by feed shaft X feed box 6.
9. nose angle regulating shaft A 10. laser tool setting device 11. automatic filings discharging device 12. touch screen controller
13. work spindle C 14. hollow servomotor C 16. connecting shaft knot C 17. encoder C
18.. workpiece loosens oil cylinder 19. cylinder body 20. Workpiece clamping head body 21. Workpiece clamping head B
22. butterfly spring group 23. accurate locking nut 24. encoder B 25. knife bar pull bar
26. connecting shaft knot B 27. servo motor B 28. cutter spindle casing 29. cutter spindle B
30. knife bar 31. cutter bar bracket 32. servomotor Y 33. reductor Y
34. connecting shaft knot Y 35. alter cutter shaft Y supporting plate 36.T type lead screw pair 37. nut seat
38. feed shaft X feeding casing 39. gyroaxis 40. pull bar Y 41. worm gear pairs
42. butterfly spring group 43. accurate locking nut 44. oil cylinder 45. cylinder body
46. servomotor X 47. connecting shaft knot X 48. ball screw assembly, X 49. nut seat X
50. supporting plate Z 51. nut seat Z 52. line slideway auxiliary 53. ball screw assembly, Z
54. connecting shaft knot Z 55. servomotor Z 56. reductor A 57. servomotor A
58. tailstock centre 59. barrel of tail stock 60. tailstock oil cylinder 61. tailstock casings
Detailed description of the invention
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
According to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the invention provides a kind of direct-drive type Zero-drive Chain Full-numerical-control horizontal hobbing machine, comprise gear-hobbing machine form 1., gear-hobbing machine assembly 2., position be connected 3., drive system 4., transmission system 5., digital control system 6. with corollary apparatus 7., and performance and functional character are 8., it is characterized in that:
Described gear-hobbing machine is formed, and comprises lathe body 1, workpiece control part, cutter part, Bit andits control portion, protective cover 7, tailstock case 8, automatic filings discharging device 11, cooling device, hydraulic means and regulator cubicle.
Described gear-hobbing machine assembly, comprises six main shafts, main spindle box, feed box, dragging plate mechanism, and connecting shaft is tied, bracket supporting plate and oil cylinder etc.
The drive system of described gear-hobbing machine, comprise A, B, C, X, Y, Z axis type of drive and drive servomotor.
The transmission system of described gear hobbing, comprises reductor, screw mandrel, leading screw, collet fixture etc.
The digital control system of described gear-hobbing machine, comprises touch screen controller 12, high-precision encoder, linear grating chi, laser tool setting device 10, electrical control cabinet etc.Nose angle regulating shaft A9, cutter spindle B29, work spindle C13, feed shaft X, alter cutter shaft Y and walk cutter shaft Z and all carry out real-time control and regulation by closed loop control loop system.
Described gear-hobbing machine corollary apparatus, comprises automatic filings discharging device 11, cooling device, hydraulic means etc.
The performance of described gear-hobbing machine and functional character, comprise high efficiency, high speed, high accuracy; The stability of secondary gear hobbing process and gear-hobbing machine and reappearance; Full-numerical-control zero_time holding operates; Dryly cut processing; Hardened gear face is processed; Tool Management System; Collision prevention function; Cutting Process memory function.
Described gear-hobbing machine module position is arranged with being connected, described lathe body 1 is provided with the direct-drive type workpiece spindle box 2(work spindle C13 wherein driving workpiece to rotate and is set to C axle), described lathe body is provided with the direct-drive type tool head 3(cutter spindle B29 wherein driving hobboing cutter to rotate and is set to B axle), described lathe body is provided with and drives tool head 3 by the hobboing cutter translating device of processing request along X, Y, Z-direction translation; Described lathe body is provided with the A axle described in nose angle regulating shaft A9(driving tool head 3 to turn along YZ plane internal rotation by processing request).Described X, Y, Z are vertical between two in space, and feed shaft X moves along the longitudinal direction and arranges, and alter cutter shaft Y and arrange to mobile along upper and lower, walk cutter shaft Z mobile setting in left-right direction.Also be provided with laser tool setting device 10 in lathe body 1 front, be convenient to the secondary operations of workpiece again after clamping.
The guide rail of lathe body 1 holding workpieces main spindle box 2 and removable tailstock case 8 adopts two dovetail guide, makes force structure be better than level gauge.The guide rail that lathe body 1 supports hobboing cutter translation and setting angle adjusting device adopts precise linear guide secondary, makes that its intensity is high, wearability good.
Hobboing cutter translating device and nose angle regulating shaft A9 comprise can along walk the translation of cutter shaft Z-direction walk cutter shaft Z supporting plate mechanism 6, can along the feed shaft X feed box 5 of feed shaft X-direction translation, cutter shaft Y dragging plate mechanism 4 can be altered along what alter cutter shaft Y translation.And drive tool head 3 at the nose angle regulating shaft A9 of YZ rotation with in surface.Walking cutter shaft Z supporting plate mechanism 6 is arranged on lathe body 1 by precise linear guide pair, described feed shaft X feed box 5 is arranged on away on cutter shaft Z supporting plate mechanism 6 by rail plate pair, described cutter shaft Y dragging plate mechanism 4 of altering is arranged on described feed shaft X feed box 5 front end, and described nose angle regulating shaft A9 is arranged on feed shaft X feed box 5 upper left quarter by worm gear pair 41.
Direct-drive type workpiece spindle box 2 is arranged on the left end of lathe body 1, and work spindle C13 is set to C axle (rotating shaft), ties the direct Driven by Coaxial of C16 by torque type hollow servomotor C14 by connecting shaft.Work spindle C13 is hollow shaft, and its right-hand member is provided with telescopic clamp compact form Workpiece clamping head assembly.Direct-drive type workpiece spindle box 2 left end is provided with workpiece and loosens cylinder body 19, and workpiece loosens in cylinder body 19 and is provided with workpiece and loosens oil cylinder 18.
Telescopic clamp compact form Workpiece clamping head assembly is made up of collet body 20, telescopic clamp compact form Workpiece clamping head 21, butterfly spring group 22, accurate locking nut 23.According to workpiece different size replaceable telescopic clamp compact form Workpiece clamping head 21.The working position of telescopic clamp compact form Workpiece clamping head 21 right-hand member is provided with tapering, and periphery is provided with decile groove.Described collet body 20 head is provided with the tapering coordinated with telescopic clamp compact form Workpiece clamping head 21.
The chucking power that butterfly spring group 22 adjusts telescopic clamp compact form Workpiece clamping head 21 is compressed by adjustment precision locking nut 23 in advance.Butterfly spring group 22 acts on telescopic clamp compact form Workpiece clamping head 21, by Workpiece clamping.When need loosen workpiece, workpiece loosens oil cylinder 18 and compresses butterfly spring group 22, is ejected by telescopic clamp compact form Workpiece clamping head 21, release workpiece.
In telescopic clamp compact form Workpiece clamping head 21, be provided with Workpiece fixing top.
The rotating speed of direct-drive type work spindle C13 is followed according to generating process principle automatically by the rotating speed of upper-level control system according to direct-drive type cutter spindle B29.The actual circumferential position of work spindle C13 is determined by coaxial mounted high-precision encoder C17.
Direct-drive type tool head 3 comprises cutter spindle casing 28, cutter spindle B29, knife bar 30, hollow servo motor B 27, connecting shaft knot B26, knife bar pull bar 25, high-precision encoder B24 and cutter bar bracket 31.Cutter spindle B29 is set to B axle (rotating shaft), ties B26 Direct driver by hollow servo motor B 27 by connecting shaft.The actual circumferential position of cutter spindle B29 is determined by coaxial high-precision encoder B24.Knife bar 30 is strained by knife bar pull bar 25, and knife bar 30 can be installed the hobboing cutter of the different size of same apertures, need change corresponding knife bar, be provided with cutter bar bracket 31 at knife bar tail end when installing the not identical hobboing cutter in aperture.
The right-hand member of described lathe body 1 is provided with removable tailstock case 8, and tailstock case 8 can be moved by two dove-tail slide face on lathe body 1.Tailstock case 8 is provided with tailstock centre 58, and tailstock centre 58 and direct-drive type work spindle C13 are coaxially oppositely arranged, and are driven and can be moved along its axial stretching, hold out against or unclamp the centre of gyration of workpiece to be processed by barrel of tail stock 59 by cylinder component 60.Between tailstock casing 61 left end and barrel of tail stock 59, be provided with 4 locking oil cylinders of stopping, eliminate the gap between barrel of tail stock 59 and tailstock casing 61.
Described walk cutter shaft Z dragging plate mechanism 6 comprise walking cutter shaft Z supporting plate seat Z50, walk cutter shaft Z servomotor Z55, walk cutter shaft Z ball screw assembly, Z53.Walk cutter shaft Z servomotor Z55 and walk cutter shaft Z ball screw assembly, Z53 by connecting shaft knot Z54 Direct driver, drive cutter long feed by the screw Connection Block Z51 on ball screw assembly, Z53.Walk cutter shaft Z dragging plate mechanism 6 to be arranged with on lathe body 1 by precise linear guide secondary 52.
Described feed shaft X feed mechanism is arranged on away on cutter shaft Z dragging plate mechanism 6 by laminating pair of dovetail guide.Comprise feed shaft X feeding casing 38, feed shaft X servomotor X46, feed shaft X ball screw assembly, 48.Described feed shaft X servomotor X46 is fixed on feed shaft X feeding casing 38 by connecting shaft knot X47 Direct driver feed shaft X ball screw assembly, 48, feed shaft X screw Connection Block X49.Described feed shaft X servomotor X46, feed shaft X ball screw assembly, 48, connecting shaft knot X47 is arranged at away on the supporting plate Z50 of cutter shaft Z supporting plate mechanism 6; Movable to realize cutter radial feed by the rotary actuation feed shaft X feed box 5 of ball screw assembly, 48.
Described alter cutter shaft Y supporting plate mechanism 4 comprise alter cutter shaft Y planker 35, alter cutter shaft Y servomotor Y32, reductor Y33, connecting shaft knot Y34, T-shaped lead screw pair 36, nut seat 37.Alter cutter shaft Y servomotor Y32 and connect reductor Y33, then connect connecting shaft knot Y34, then drive T-shaped lead screw pair 36, drive direct-drive type tool head 3 to move along Y-direction by the nut seat 37 be fixed on cutter spindle casing 28, realize cutter and alter cutter function.
Described cutter shaft Y supporting plate mechanism 4 of altering is fixed on gyroaxis 39.Alter cutter shaft Y supporting plate mechanism 4 by pull bar Y40, gyroaxis 39, be arranged on feed shaft X feed box 5.By butterfly spring group 42, accurate locking nut 43, coupling mechanism force acts on pull bar Y40, will alter cutter shaft Y supporting plate mechanism 4 and is locked on feeding casing 38 by gyroaxis 39.Feeding casing 38 rear end is provided with oil cylinder 44, cylinder body 45.When cutting-tool angle needs revolution, oil cylinder 44 first compresses butterfly spring group 42, reduces the coupling mechanism force between gyroaxis 39 and feeding casing 38, then cutter adjustable angle.After cutting-tool angle has adjusted, oil cylinder 44 has been return, and butterfly spring group 42 acts on accurate locking nut 43, and coupling mechanism force acts on pull bar Y40, again locks between gyroaxis 39 and feeding casing 38.
Described nose angle regulating shaft A9 is made up of A axle servomotor A57, reductor A56, worm gear pair 41.A axle servo electricity A57 drives worm gear pair 41 by reductor A56, drives the cutter shaft Y supporting plate mechanism 4 of altering be fixed on gyroaxis 39 to rotate, and realizes cutting-tool angle adjustment.Turbine in worm gear pair 41 is fixed on gyroaxis 39.
In the present invention, lathe body 1 front is provided with laser tool setting device 10.After workpiece first time machines, do not dismantle workpiece, operator starts tool setting function on touch screen controller 12, laser tool setting function on, work spindle C starts by the speed of setting, upper-level control system calculates the center of workpiece slot, the width of workpiece slot automatically, and stores corresponding data, and after completing, work spindle C stops the rotation.Then workpiece can be dismantled.When the workpiece of same model needs again clamping secondary operations, install workpiece, operator starts tool setting function on touch screen controller 12, laser tool setting function on, work spindle C is automatically rotated to the position location at correct workpiece slot center by the data of this model workpiece, then just can again cut.
In the present invention, in the middle part of lathe body 1, be provided with automatic filings discharging device 11, add and by automatic filings discharging device 11, chip is discharged automatically man-hour.Lathe body 1 is also provided with integral protection cover 7, and protective cover 7 is by direct-drive type workpiece spindle box 2, tool head 3 and hobboing cutter moves and the encapsulation of hobboing cutter angular adjustment apparatus.Protective cover 7 front is provided with the dodge gate that can move left and right.
By above-mentioned specific embodiment, the invention has the beneficial effects as follows: the present invention all adopts directly drive structure (Zero-drive Chain) at the crucial axle B of horizontal hobbing machine, C, X, Z axis, fundamentally eliminate accumulated error and error of division link, the machining accuracy of workpiece is improved; Optimal design of the present invention makes frame for movement significantly simplify, thus realizes the processing of gear high efficiency; Owing to entirely directly driving and optimal design, make feedback element direct-detection hobboing cutter and work spindle C live signal, form closed-loop digital control system truly, make the present invention have desirable calibration machining accuracy; Directly drive Zero-drive Chain technology owing to have employed, operation stability of the present invention is improved greatly, thus high-speed cruising can be implemented and dryly cut processing; The gear product excellent surface quality of processing; Owing to present invention employs laser tool setting technology, make the present invention can carry out secondary gear hobbing operation to workpiece, improve precision and the quality of processing further; The present invention can extend cutting-tool's used life; The present invention can also process Hardened gear face material; Direct-drive type Zero-drive Chain numerical control horizontal gear hobbing machine bed provided by the invention, can be used for high-accuracy high-efficiency rate processing spur gear, helical gear, bevel gear, drum gear, turbine, sprocket wheel, synchronous pulley, straight splined shaft, the oblique splined shaft of low-angle, tapering splined shaft etc.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (7)

1. directly drive a Zero-drive Chain Full-numerical-control horizontal hobbing machine bed, it is characterized in that, comprise gear-hobbing machine formation, gear-hobbing machine assembly, position and be connected, drive system, transmission system, digital control system and corollary apparatus and performance and functional character; Described gear-hobbing machine is formed, and comprises lathe body, workpiece control part, cutter part, Bit andits control portion, protective cover, tailstock case, chip removal device, cooling device, hydraulic means and regulator cubicle; Protective cover is provided with above described lathe body; Be provided with automatic filings discharging device in the middle of described lathe body to be communicated with; Outside described lathe body, be also supportingly provided with cooling device, hydraulic means and regulator cubicle; Lathe body front is provided with laser tool setting device; Described direct-drive type workpiece spindle box is arranged on the left end of lathe body, and the right-hand member of lathe body is provided with removable tailstock case, and tailstock case can be moved by sliding surface on lathe body.Described transmission system is by 6 axis servomotors: nose angle regulating shaft A, cutter spindle B, work spindle C, feed shaft X, alter cutter shaft Y and walk cutter shaft Z and form; Lathe body is provided with the direct-drive type workpiece spindle box driving workpiece to rotate, in described workpiece spindle box, is provided with work spindle C; Described lathe body is provided with the direct-drive type tool head driving hobboing cutter to rotate, described tool head is provided with cutter spindle B; Described lathe body is provided with the translating device along X, Y, Z-direction translation, drives the nose angle adjusting device that tool head turns along YZ plane internal rotation, i.e. A axle; Described X, Y, Z are vertical between two in space, and feed shaft X is arranged along the longitudinal direction, alters cutter shaft Y along upper and lower to setting, walks cutter shaft Z and arranges in left-right direction.
2. one according to claim 1 directly drives Zero-drive Chain Full-numerical-control horizontal hobbing machine bed, it is characterized in that, described cutter spindle B, work spindle C, feed shaft X and walk cutter shaft Z and all adopt direct-drive type Zero-drive Chain to design; Cutter spindle B adopts hollow servomotor to be directly sleeved on cutter spindle B, and main shaft tail coaxially installs a position coder feedback main spindle's; Work spindle C adopts hollow servomotor to be directly sleeved on work spindle C, and main shaft tail coaxially installs a position coder feedback main spindle's.
3. one according to claim 1 and 2 directly drives Zero-drive Chain Full-numerical-control horizontal hobbing machine bed, it is characterized in that, described feed shaft X-direction is provided with grating scale and detects feed shaft X feed box physical location; Described cutter shaft Z-direction of walking is provided with grating scale and detects cutter shaft Z feed box physical location.
4. one according to claim 1 directly drives Zero-drive Chain Full-numerical-control horizontal hobbing machine bed, it is characterized in that, described nose angle regulating shaft A is provided with high precision position encoder, for controlling cutting-tool angle adjustment positional information, the described cutter shaft Y that alters is provided with upper-lower position control grating scale, accurately controls upper and lower tool displacement distance.
5. a kind of direct-drive type Zero-drive Chain Full-numerical-control horizontal hobbing machine bed according to claim 1, it is characterized in that, described lathe body front is provided with laser tool setting device, and the secondary operations realizing workpiece repeats processing with identical workpiece, ensure that the uniformity of the machining accuracy of batch workpiece.
6. one according to claim 1 directly drives Zero-drive Chain Full-numerical-control horizontal hobbing machine bed, it is characterized in that, described digital control system is by linear encoder or grating scale real time detection signal, and form full-closed loop type control loop, and match with direct-drive type Zero-drive Chain pattern, make of the present invention point of tooth and differential precision can reach 4 grades--the machining accuracy of 6 grades.
7. one according to claim 1 directly drives Zero-drive Chain Full-numerical-control horizontal hobbing machine bed, it is characterized in that, described digital control system is zero_time holding operation, there is parameterized operation interface, cutter parameters, workpiece parameter, technological parameter and feeding number of times can be inputted, without any need for programming instruction according to workpiece situation.
CN201410088131.XA 2014-03-11 2014-03-11 Direct-drive zero-transmission completely numerical control horizontal gear hobbing machine Pending CN104907635A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105817955A (en) * 2016-04-28 2016-08-03 成都飞机工业(集团)有限责任公司 Non-contact measuring method for honeycomb core machining cutter radius
CN107718177A (en) * 2017-10-16 2018-02-23 金华市强宏板式家具机械有限公司 Sevenfive axis dowel numerical control machining center and its method
CN110170707A (en) * 2019-06-17 2019-08-27 中山迈雷特智能装备有限公司 A kind of gear-hobbing machine
CN111716112A (en) * 2019-03-22 2020-09-29 兄弟工业株式会社 Numerical control device and machine tool
CN112894031A (en) * 2021-01-19 2021-06-04 浙江鑫佳硕科技有限公司 High-precision workpiece machining system and machining method thereof
US20220334550A1 (en) * 2021-04-12 2022-10-20 Chongqing University Method for identifying critical error of worm gear machine and method for iteratively compensating critical error of worm gear machine
CN115452127A (en) * 2022-11-11 2022-12-09 日照市计量科学研究院 Gear hobbing machine main shaft vibration laser testing device
CN115592210A (en) * 2022-11-04 2023-01-13 宁波三峰机械电子股份有限公司(Cn) Machining process for precise insection of pinion shaft

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201217108Y (en) * 2008-06-24 2009-04-08 重庆大学 Zero-drive numerical control hobbing machine
CN201271765Y (en) * 2008-06-03 2009-07-15 浙江佳雪数控机床有限公司 Small module dry and wet cutting horizontal numerical control gear hobbing machine
CN103192140A (en) * 2013-03-25 2013-07-10 浙江佳雪数控机床有限公司 Dry and wet cutting horizontal numerically-controlled gear hobbing machine
CN203076718U (en) * 2013-01-29 2013-07-24 天津巴泰克机械制造有限公司 Horizontal type intelligent gear hobbing machine
CN203830851U (en) * 2014-03-11 2014-09-17 张家港乙腾机械有限公司 Directly-driven zero-transmission full-numerical-control horizontal type gear hobbing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201271765Y (en) * 2008-06-03 2009-07-15 浙江佳雪数控机床有限公司 Small module dry and wet cutting horizontal numerical control gear hobbing machine
CN201217108Y (en) * 2008-06-24 2009-04-08 重庆大学 Zero-drive numerical control hobbing machine
CN203076718U (en) * 2013-01-29 2013-07-24 天津巴泰克机械制造有限公司 Horizontal type intelligent gear hobbing machine
CN103192140A (en) * 2013-03-25 2013-07-10 浙江佳雪数控机床有限公司 Dry and wet cutting horizontal numerically-controlled gear hobbing machine
CN203830851U (en) * 2014-03-11 2014-09-17 张家港乙腾机械有限公司 Directly-driven zero-transmission full-numerical-control horizontal type gear hobbing machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘润爱: "零传动滚齿机关键技术研究与应用", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105817955A (en) * 2016-04-28 2016-08-03 成都飞机工业(集团)有限责任公司 Non-contact measuring method for honeycomb core machining cutter radius
CN107718177A (en) * 2017-10-16 2018-02-23 金华市强宏板式家具机械有限公司 Sevenfive axis dowel numerical control machining center and its method
CN111716112A (en) * 2019-03-22 2020-09-29 兄弟工业株式会社 Numerical control device and machine tool
CN110170707A (en) * 2019-06-17 2019-08-27 中山迈雷特智能装备有限公司 A kind of gear-hobbing machine
CN112894031A (en) * 2021-01-19 2021-06-04 浙江鑫佳硕科技有限公司 High-precision workpiece machining system and machining method thereof
US20220334550A1 (en) * 2021-04-12 2022-10-20 Chongqing University Method for identifying critical error of worm gear machine and method for iteratively compensating critical error of worm gear machine
CN115592210A (en) * 2022-11-04 2023-01-13 宁波三峰机械电子股份有限公司(Cn) Machining process for precise insection of pinion shaft
CN115452127A (en) * 2022-11-11 2022-12-09 日照市计量科学研究院 Gear hobbing machine main shaft vibration laser testing device
CN115452127B (en) * 2022-11-11 2023-03-03 日照市计量科学研究院 Gear hobbing machine main shaft vibration laser testing device

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Application publication date: 20150916