CN103418852A - Novel efficient numerical control gear grinding machine - Google Patents
Novel efficient numerical control gear grinding machine Download PDFInfo
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- CN103418852A CN103418852A CN201310305127XA CN201310305127A CN103418852A CN 103418852 A CN103418852 A CN 103418852A CN 201310305127X A CN201310305127X A CN 201310305127XA CN 201310305127 A CN201310305127 A CN 201310305127A CN 103418852 A CN103418852 A CN 103418852A
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Abstract
The invention discloses a novel efficient numerical control gear grinding machine which comprises a machine frame, a left-right workbench, a front-rear workbench, a Z-axis sliding mechanism, a C-axis workpiece clamping and holding mechanism, an X-axis sliding mechanism, a B-axis rotating mechanism, a V-axis trimming mechanism, a U-axis trimming mechanism and a grinding head mechanism. The left-right workbench is horizontally arranged at the front portion of the machine frame; the C-axis workpiece clamping and holding mechanism is arranged on the left-right workbench; the front-rear workbench is longitudinally arranged at the tail portion of the machine frame; the grinding head mechanism is arranged on the front-rear workbench. The novel efficient numerical control gear grinding machine is ingenious and reasonable in design, easy to operate, multifunctional, capable of grinding ordinary spur gears, bevel gears, screw rods, worms and ring surface worms efficiently, multipurpose and wide in application range, has the function of trimming grinding heads, can efficiently trim the grinding heads of any contour, greatly improves rigidity of the grinding heads, effectively improves machining accuracy, and is simple in overall structure, easy to manufacture and produce, and beneficial to being popularized and applied widely.
Description
Technical field
The present invention relates to worm screw gear-grinding technique field, be specifically related to a kind of new and effective numerically controlled tooth grinding machine.
Background technology
Worm-drive is transmission type commonly used in mechanized equipment, the characteristics such as have gear range wide (a common stage gear ratio can reach 5～100), compact conformation, volume is little, motion is steady, noise is low.The characteristics such as have high bearing capacity, transmission efficiency is high, and the life-span is long, and the average error of division is little, therefore obtain applying more widely.
Worm-drive is divided into normal cylindrical worm gear drive and the large class of enveloping worm drive two by design feature and process principle.
Wherein normal cylindrical worm gear drive comprises Archimedes's cylindrical worm (ZA type), involute cylindrical worm (ZI type), straight sided normal worm ZN-worm (ZN) type, milled helicoids worm (ZK type) and arc-contact worm (ZC type) five groups.
Enveloping worm drive comprises three groups such as hindley worm (TSL type), planar double-enveloping worm (TOP type) and toroid enveloping worm with cone generatrix.
Above-mentioned eight class worm screws can not grinding except hindley worm (TSL type), all the other all can improve transmission accuracy and flank of tooth fineness by grinding, and then improve transmission efficiency.
Although more existing worm grinders can roughly meet common roll flute requirement, design all not very ingeniously, drive mechanism is simple, and process is slow, and machining accuracy is not high, and the range of work is single, and power consumption is large, and processing cost is high; Especially, configured the gear grinding machines of digital control system, if there is no automatic tooth repair device, its grinding efficiency will be had a greatly reduced quality, and traditional worm grinder can not adapt to and meet the demand of Vehicles Collected from Market.
Therefore, need a kind of volume of research and development little, simple to operate, efficiency is high, and machining accuracy is high, applied widely, and has the bistrique grooming function, further promotes machining accuracy, guarantees that the new and effective numerically controlled tooth grinding machine of product quality is for working as the required of generation.
Summary of the invention
For above-mentioned deficiency, the object of the invention is to, provide a kind of structural design ingenious, reasonable, volume is little, simple to operate, efficiency is high, and machining accuracy is high, applied widely, and there is the bistrique grooming function, effectively guarantee the new and effective numerically controlled tooth grinding machine of product quality.
For achieving the above object, technical scheme provided by the present invention is: a kind of new and effective numerically controlled tooth grinding machine, it comprises frame, the left and right workbench, the front and back workbench, the Z axis slide mechanism, C shaft-like work clamping device, the X-axis slide mechanism, B axle rotating mechanism, V axle burring machine, U axle burring machine and grinding head mechanism, described left and right workbench is horizontally installed on the forward position of described frame by described Z axis slide mechanism, and be subject to the driving of this Z axis slide mechanism to make to come and go sliding action along Z-direction, described C shaft-like work clamping device is arranged on the workbench of described left and right, described front and back workbench vertically is arranged on the tail position of described frame by the X-axis slide mechanism, and be subject to the driving of this X-axis slide mechanism to make close or separating action along the relatively described C shaft-like work of X-direction clamping device, described grinding head mechanism is arranged on the workbench of front and back, described V axle burring machine vertically is arranged on the workbench of described front and back by B axle rotating mechanism, the top position of the corresponding described grinding head mechanism of described U axle burring machine is horizontally installed on described V axle burring machine.
As a modification of the present invention, described frame comprises front lathe bed and rear lathe bed, and after this, an end of lathe bed is vertically connected on a sidewall centre position of described front lathe bed, and the global sections appearance profile of this frame is in T shape.
As a modification of the present invention, described Z axis slide mechanism comprises the Z axis servomotor, the Z axis guide rail, the Z axis screw mandrel reaches the Z axis feed screw nut seat suitable with this Z axis screw mandrel, described Z axis guide rail is arranged on the end face of described front lathe bed along Z-direction, described left and right workbench is movably arranged on this Z axis guide rail, the lower position of the corresponding left and right of described Z axis screw mandrel workbench is arranged on it described external crucible, described Z axis feed screw nut seat is arranged on the bottom of described left and right workbench, and suitable with described Z axis screw mandrel, described Z axis servomotor is arranged on a sidewall of front lathe bed, and be connected with described Z axis screw mandrel one end.
As a modification of the present invention, described C shaft-like work clamping device comprises adjusting seat, C axle servomotor, C axle main shaft, the headstock, the headstock is top, tailstock, tailstock center, described adjusting seat is arranged on the workbench of described left and right, the described headstock is arranged on an end of described adjusting seat, and be provided with in the adjusting seat bottom and this adjusting seat location can be fixed on to the locking fixed block on the workbench of described left and right, two side positions of corresponding adjusting seat are provided with the adjustment bolt in described left and right workbench, the described headstock is top to be arranged on the madial wall of the described headstock, described C axle servomotor is arranged on the lateral wall of the described headstock, and be connected with the described headstock is top by described C axle main shaft, the center of described adjusting seat is provided with a saddle guide rail extended along Z-direction, described tailstock center is arranged on the other end of described adjusting seat by described tailstock, and top towards the described headstock, the bottom of described tailstock is provided with the locking bit corresponding with described saddle guide rail.
As a modification of the present invention, described X-axis slide mechanism comprises the X-axis servomotor, workbench before and after X-axis, the X-axis guide rail, the X-axis screw mandrel reaches the X-axis feed screw nut seat suitable with this X-axis screw mandrel, described X-axis guide rail is arranged on the end face of described rear lathe bed along X-direction, described front and back workbench is movably arranged on this X-axis guide rail, before and after described X-axis screw mandrel correspondence, the lower position of workbench is arranged on described rear lathe bed, described X-axis feed screw nut's seat is arranged on the bottom of described front and back workbench, and suitable with described X-axis screw mandrel, described X-axis servomotor is arranged on a sidewall of rear lathe bed, and be connected with described X-axis screw mandrel one end, before and after described X-axis, workbench is arranged on the workbench of described front and back.
As a modification of the present invention, the bistrique drive motors that described grinding head mechanism comprises bistrique and can drive this bistrique to rotate, this bistrique drive motors is arranged on the forward position of described X-axis front and back workbench, described bistrique is arranged on the driving shaft of this bistrique drive motors, and the axis of this bistrique and the top axis of the described headstock are on the same level height.
As a modification of the present invention, described B axle rotating mechanism comprises B axle servomotor and B axle rotary table top, this B axle rotary table top is arranged on described X-axis front and back workbench near on the sidewall of described bistrique one side, described B axle servomotor is arranged on another sidewall of described X-axis front and back workbench, and can drive described B axle rotary table top to rotate.
As a modification of the present invention, described B axle servomotor is the large inertia motor of high moment of torsion with brake gear, and described bistrique drive motors is the servo principal axis motor.
As a modification of the present invention, described V axle burring machine comprises the V bracing strut, V axle finishing motor, the V axis rail, V axle slide block, V axial filament bar reaches the V axial filament stem nut seat suitable with this V axial filament bar, the lower end of described V bracing strut is arranged on the side of described B axle rotary table top, described V axis rail is arranged on a side of V bracing strut along the V direction of principal axis, described V axle slide block is movably arranged on this V axis rail, described V axial filament pole pair answers the position of V axle slide block to be arranged on described V bracing strut, described V axial filament stem nut seat is arranged on described V axle slide block, and suitable with described V axial filament bar, described V axle servomotor is arranged on the upper end of described V bracing strut, and be connected with described V axial filament bar one end.
As a modification of the present invention, described U axle burring machine comprises bistrique finishing frame, the left side diamond pen, the cylindrical finishing diamond pen, the right side diamond pen, U axle finishing motor, the U axis rail, U axle slide block, U axial filament bar reaches the U axial filament stem nut seat suitable with this U axial filament bar, described U axis rail is arranged on described V axle slide block along the U direction of principal axis, described U axle slide block is movably arranged on this U axis rail, described U axial filament pole pair answers the position of U axle slide block to be arranged on described V axle slide block, described U axial filament stem nut seat is arranged on described U axle slide block, and suitable with described U axial filament bar, described U axle servomotor is arranged on described V axle slide block one side, and be connected with described U axial filament bar one end, the upper end of described bistrique finishing frame is fixed on described U axle slide block, the n shape section that lower end formation one and described bistrique appearance profile are suitable, this n shape category is like n shape structure, described left side diamond pen is arranged on the left free end of this n shape section, and the left surface towards described bistrique, described right side diamond pen is arranged on the right free end of this n shape section, and the right flank towards described bistrique, described cylindrical finishing diamond pen is arranged on the centre position of this n shape section, and the outer circumference surface towards described bistrique.
Beneficial effect of the present invention is: the present invention designs ingenious, rationally, volume is little, operate simple and easy, by C shaft-like work clamping device, B axle rotating mechanism, the Z axis slide mechanism, the work that cooperatively interacts of X-axis slide mechanism and grinding head mechanism, can realize fast the twice-enveloping enveloping worm, the grinding of the multiple worm screw such as toroid enveloping worm with cone generatrix and normal cylindrical worm gear, because the left and right workbench can be done the adjustment of similar cylindrical grinder, can also be to spur gear, helical gear and screw rod carry out grinding, realize a tractor serves several purposes, efficiently solve the defect that general worm grinder can only a kind of worm screw of grinding, function is many, applied widely.There is in addition the bistrique grooming function, can realize efficiently the bistrique of any profile being repaired, greatly promoted the rigidity of bistrique, effectively improve machining accuracy, and terminal with compact integral structure, be easy to manufacture and produce, be beneficial to wide popularization and application.
Headstock top tip structure design in bistrique in grinding head mechanism of the present invention and described C shaft-like work clamping device is ingenious, working depth is all on the same level height, no matter how the bistrique operating angle is adjusted, the bistrique working face is adjusted axle with the bistrique inclination angle all the time and is overlapped, cancelled the bistrique height regulating mechanism, reduced adjustment link, made the bistrique rigidity better, precision is higher.
U axle burring machine of the present invention and V axle burring machine interlock vertical setting mutually, and U axle burring machine, V axle burring machine and grinding head mechanism are relatively independent in Machine Design, be installed on the workbench of same front and back, coordinate system is relatively independent, during finishing, during bistrique, only needs rotation, need not vertically or move radially, only, by finishing U, the interlock of V axle burring machine, just can realize the accurate finishing of bistrique arbitrary section, solve the problem that multiple worm screw needs the grinding of different cross section bistrique.Having overcome other scheme only has a dresser shaft, and another axle moves to realize by bistrique, and when finishing, grinding head shaft should rotate again and move like this, easily cause resonance, simultaneously, when grinding, the rigidity of grinding head shaft is inadequate, easily causes bistrique axial motion or shake, affects machining accuracy.
The present invention adopts four-axle linked principle, has overcome the defect that the little centre-to-centre spacing workpiece of general enveloping worm grinding machine needs major diameter front and back workbench, makes the lathe volume less, and clamping workpiece is more reasonable, and machine tool accuracy is higher.Due to U axle burring machine and V axle burring machine employing " separate type " design, complete the interval of changing workpiece in grinding, also can carry out bistrique finishing action; Simultaneously, after the bistrique finishing, its bistrique grinding TRAJECTORY CONTROL more is conducive to the digital control system compensation, because the design of burring machine more is conducive to control the foundation of model and the enforcement of control program, is fully verified in actual use.
Type selecting and the position design of bistrique drive motors of the present invention are ingenious, unique, both solved common ring surface-worm grinding machine due to the position of motor and belt and the interference difficult problem of bistrique angle adjustment, the interference difficult problem of motor and workpiece while having solved again the grinding of cone bag worm screw.Realized that the bistrique operating angle is convenient, adjusted arbitrarily, improved the lathe operating efficiency.The bistrique drive motors is preferably the servo principal axis motor, with it, drives bistrique, can realize the constant linear velocity grinding, has solved after the bistrique fraze diminishes because linear velocity reduces the problem that grinding quality reduces.Also can select the friction speed grinding according to bistrique diameter or pattern, significantly improve grinding efficiency.
Bistrique operating angle of the present invention is adjusted axle and can be adopted axis servomotor digital control, the adjustment precision of bistrique operating angle while greatly having improved the worm screw grinding, cancelled the manual adjustment link of lathe, realize that lathe is adjusted automatically, processing automatically, effectively improved the gentle machining accuracy of Automated water, the efficiency of lathe.
The present invention can coordinate the moving Digital Control System of six axle tetrads to use; make lathe can realize totally-enclosed protection Design; lathe when work protective door is closed, and realizes that the lathe overall process processes automatically, does not need operator's manual operation lathe; lathe is safer, environmental protection; protect the healthy of operator, protected environment, reduced the level requirement of lathe to the operator; can, for the user creates higher benefit, have significantly through being worth.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
The accompanying drawing explanation
Fig. 1 is perspective view one of the present invention.
Fig. 2 is perspective view two of the present invention.
Fig. 3 is perspective view three of the present invention.
The specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of new and effective numerically controlled tooth grinding machine that the present embodiment provides, it comprises frame 1, left and right workbench 2, front and back workbench 10, Z axis slide mechanism 3, C shaft-like work clamping device 4, X-axis slide mechanism 5, B axle rotating mechanism 6, V axle burring machine 7, U axle burring machine 8 and grinding head mechanism 9, described left and right workbench 2 is horizontally installed on the forward position of described frame 1 by described Z axis slide mechanism 3, and be subject to the driving of this Z axis slide mechanism 3 to make to come and go sliding action along Z-direction, described C shaft-like work clamping device 4 is arranged on described left and right workbench 2, described front and back workbench 10 vertically is arranged on the tail position of described frame 1 by X-axis slide mechanism 5, and be subject to the driving of this X-axis slide mechanism 5 to make close or separating action along the relatively described C shaft-like work of X-direction clamping device 4, described grinding head mechanism 9 is arranged on the workbench 10 of front and back, described V axle burring machine 7 vertically is arranged on described front and back workbench 10 by B axle rotating mechanism 6, the top position of described U axle burring machine 8 corresponding described grinding head mechanisms 9 is horizontally installed on described V axle burring machine 7.U axle burring machine 8 of the present invention and the 7 interlock vertical settings mutually of V axle burring machine, and U axle burring machine 8, V axle burring machine 7 and grinding head mechanism 9 are relatively independent in Machine Design, be installed on same front and back workbench 10, coordinate system is relatively independent, during finishing during bistrique, only need rotation, need not vertically or move radially, only by finishing U, 7 interlocks of V axle burring machine, just can realize the accurate finishing of bistrique arbitrary section, solve the problem that multiple worm screw needs the grinding of different cross section bistrique.
Described frame 1 comprises front lathe bed 11 and rear lathe bed 12, and after this, an end of lathe bed 12 is vertically connected on a sidewall centre position of described front lathe bed 11, and the global sections appearance profile of this frame 1 is in T shape.Structure is more compact, reasonable, effectively reduced volume.
Described Z axis slide mechanism 3 comprises Z axis servomotor 31, Z axis guide rail 32, Z axis screw mandrel 33 reaches the Z axis feed screw nut seat suitable with this Z axis screw mandrel 33, described Z axis guide rail 32 is arranged on the end face of described front lathe bed 11 along Z-direction, described left and right workbench 2 is movably arranged on this Z axis guide rail 32, the lower position of the corresponding left and right of described Z axis screw mandrel 33 workbench 2 is arranged on described front lathe bed 11, described Z axis feed screw nut seat is arranged on the bottom of described left and right workbench 2, and suitable with described Z axis screw mandrel 33, described Z axis servomotor 31 is arranged on a sidewall of front lathe bed 11, and be connected with described Z axis screw mandrel 33 1 ends.
Described C shaft-like work clamping device 4 comprises adjusting seat 41, C axle servomotor 42, C axle main shaft 43, the headstock 44, the headstock top 45, tailstock 46, tailstock center 47, described adjusting seat 41 is arranged on described left and right workbench 2, the described headstock 44 is arranged on an end of described adjusting seat 41, and be provided with in adjusting seat 41 bottoms and these adjusting seat 41 location can be fixed on to the locking fixed block 48 on described left and right workbench 2, two side positions of corresponding adjusting seat 41 are provided with and adjust bolt 49 in described left and right workbench 2, the described headstock top 45 is arranged on the madial wall of the described headstock 44, described C axle servomotor 42 is arranged on the lateral wall of the described headstock 44, and be connected with the described headstock top 45 by described C axle main shaft 43, the center of described adjusting seat 41 is provided with a saddle guide rail 50 extended along Z-direction, described tailstock center 47 is arranged on the other end of described adjusting seat 41 by described tailstock 46, and towards the described headstock top 45, the bottom of described tailstock 46 is provided with the locking bit corresponding with described saddle guide rail 50.By adjusting 49 pairs of adjusting seats 41 of bolt, adjusted, strictly parallel with the bistrique axis to guarantee workpiece, decentraction problem while greatly having eliminated workpiece roughing.Adjust completely, lock described locking fixed block 48, adjusting seat 41 is fixed on described left and right workbench 2 firmly.
Described X-axis slide mechanism 5 comprises X-axis servomotor 51, workbench 52 before and after X-axis, X-axis guide rail 53, the X-axis screw mandrel reaches the X-axis feed screw nut seat suitable with this X-axis screw mandrel, described X-axis guide rail 53 is arranged on the end face of described rear lathe bed 12 along X-direction, described front and back workbench 10 is movably arranged on this X-axis guide rail 53, before and after described X-axis screw mandrel correspondence, the lower position of workbench 10 is arranged on described rear lathe bed 12, described X-axis feed screw nut's seat is arranged on the bottom of described front and back workbench 10, and suitable with described X-axis screw mandrel, described X-axis servomotor 51 is arranged on a sidewall of rear lathe bed 12, and be connected with described X-axis screw mandrel one end, before and after described X-axis, workbench 52 is arranged on described front and back workbench 10.
The bistrique drive motors 92 that described grinding head mechanism 9 comprises bistrique 91 and can drive this bistrique 91 to rotate, this bistrique drive motors 92 is arranged on the forward position of described X-axis front and back workbench 52, described bistrique 91 is arranged on the driving shaft of this bistrique drive motors 92, and the axis of the axis of this bistrique 91 and the described headstock top 45 is on the same level height.Working depth is all on the same level height, no matter how bistrique 91 operating angles are adjusted, bistrique 91 working faces are adjusted axle with the bistrique inclination angle all the time and overlapped, cancelled the bistrique height regulating mechanism, reduced adjustment link, made bistrique 91 rigidity better, precision is higher.
Described B axle rotating mechanism 6 comprises B axle servomotor 61 and B axle rotary table top 62, this B axle rotary table top 62 is arranged on described X-axis front and back workbench 52 near on the sidewall of described bistrique 91 1 sides, described B axle servomotor 61 is arranged on another sidewall of described X-axis front and back workbench 52, and can drive described B axle rotary table top 62 to rotate.Preferably be provided with radially bearing of a high accuracy axle between described B axle servomotor 61 and B axle rotary table top 62, fully to guarantee to support two-way radial load and axial load and tilt displacement.
Described B axle servomotor 61 is the large inertia motor of high moment of torsion with brake gear.After adjusting the desired angle of bistrique 91, start brake gear, the high rigidity of strict guarantee bistrique 91.
Described bistrique drive motors 92 is the servo principal axis motor.Bistrique drive motors 92 is preferably the servo principal axis motor, with it, drives bistrique 91, can realize the constant linear velocity grinding, has solved after bistrique 91 frazes diminish because linear velocity reduces the problem that grinding quality reduces.Also can select the friction speed grinding according to bistrique diameter or pattern, significantly improve grinding efficiency.Type selecting and the position design of bistrique drive motors 92 of the present invention are ingenious, unique, both solved common ring surface-worm grinding machine due to the position of motor and belt and the interference difficult problem of bistrique angle adjustment, the interference difficult problem of motor and workpiece while having solved again the grinding of cone bag worm screw.Realized that bistrique 91 operating angles are convenient, adjusted arbitrarily, improved the lathe operating efficiency.Bistrique operating angle of the present invention is adjusted axle and can be adopted digital servo to control, the adjustment precision of bistrique 91 operating angles while greatly having improved the worm screw grinding, cancelled the manual adjustment link of lathe, realize that lathe is adjusted automatically, processing automatically, effectively improved the gentle machining accuracy of Automated water, the efficiency of lathe.
Described V axle burring machine 7 comprises V bracing strut 71, V axle finishing motor 72, V axis rail 73, V axle slide block 74, V axial filament bar reaches the V axial filament stem nut seat suitable with this V axial filament bar, the lower end of described V bracing strut 71 is arranged on the side of described B axle rotary table top 62, described V axis rail 73 is arranged on a side of V bracing strut 71 along the V direction of principal axis, described V axle slide block 74 is movably arranged on this V axis rail 73, described V axial filament pole pair answers the position of V axle slide block 74 to be arranged on described V bracing strut 71, described V axial filament stem nut seat is arranged on described V axle slide block 74, and suitable with described V axial filament bar, described V axle servomotor is arranged on the upper end of described V bracing strut 71, and be connected with described V axial filament bar one end.
Described U axle burring machine 8 comprises bistrique finishing frame 81, left side diamond pen 82, cylindrical finishing diamond pen 83, right side diamond pen 84, U axle finishing motor 85, U axis rail 86, U axle slide block 87, U axial filament bar reaches the U axial filament stem nut seat suitable with this U axial filament bar, described U axis rail 86 is arranged on described V axle slide block 74 along the U direction of principal axis, described U axle slide block 87 is movably arranged on this U axis rail 86, described U axial filament pole pair answers the position of U axle slide block 87 to be arranged on described V axle slide block 74, described U axial filament stem nut seat is arranged on described U axle slide block 87, and suitable with described U axial filament bar, described U axle servomotor is arranged on described V axle slide block 74 1 sides, and be connected with described U axial filament bar one end, the upper end of described bistrique finishing frame 81 is fixed on described U axle slide block 87, the n shape section that lower end formation one and described bistrique 91 appearance profiles are suitable, this n shape category is like n shape structure, described left side diamond pen 82 is arranged on the left free end of this n shape section, and the left surface towards described bistrique 91, described right side diamond pen 84 is arranged on the right free end of this n shape section, and the right flank towards described bistrique 91, described cylindrical finishing diamond pen 83 is arranged on the centre position of this n shape section, and the outer circumference surface towards described bistrique 91.
Operation principle: during work, workpiece withstands between the headstock top 45 and tailstock center 47, and the Workpiece clamping head that C axle servomotor 427 drives on workpiece by C axle main shaft 43 rotates together with workpiece, realizes that the C axle rotatablely moves.
Movable workbench before and after Z axis servomotor 31 matches with Z axis feed screw nut seat by Z axis screw mandrel 33 and drives, realize the rectilinear motion of the relative bistrique 91 of workpiece on Z-direction.Thereby X-axis servomotor 51 by X-axis screw mandrel and X-axis feed screw nut seat match drive before and after workbench 10 and the B axle rotating mechanism 6 front and back workbench 10 above, V axle burring machine 7, U axle burring machine 8 front and back traveling priority together with grinding head mechanism 9, realize the rectilinear motion on X-direction of bistrique 91.Bistrique 91 and V axle burring machine 7, U axle burring machine 8 that B axle servomotor 61 drives on B axle rotary table top 62 and B axle rotary table top 62 rotate, and realize that the B axle of bistrique 91 rotatablely moves.By Z, X, the four-axle linked needed movement locus such as grinding worm, spur gear, helical gear, screw rod of realizing of C, B; U, V axle two-axle interlocking, can realize bistrique left surface finishing left side diamond pen 82, bistrique right flank finishing right side diamond pen 84 and grinding wheel cylindrical face finishing cylindrical diamond pen, realizes efficiently the bistrique of any profile being repaired.
Z axis can be realized the grinding of normal cylindrical worm gear with respect to axially-movable and the rotatablely moving of B axle and C axle of X-axis; Z axis can be realized the grinding of enveloping worm with respect to curve (radius arc arbitrarily) motion and the rotatablely moving of B axle and C axle of X-axis.Bistrique 91 is directly installed on the driving shaft of bistrique drive motors 92, without any need for transmission mechanism, directly be with rotary bistrique 91 rotation, realize bistrique 91 without acceptance of persons rotatablely move that (the main shaft circular runout is less than 1 μ m, axial runout is less than 2 μ m), complete the high-precision grinding motion of bistrique 91.Simultaneously, the compact design of this structure, reduced the volume of B axle rotating mechanism 6 greatly, promoted the angular range of rotation, guaranteed the high rigidity of B axle rotating mechanism 6.
Thereby V axle finishing motor 72 matches with V spindle nut seat by V axial filament bar and drives V axle slide block 74 radially to move up and down along bistrique 91, realize the finishing of V axle burring machine 7, bistrique finishing frame 81 is arranged on U axis rail 86 by U axle slide block 87, and be positioned at the top of bistrique 91, bistrique finishing frame 81, by the driving of U axle finishing motor 85, is made traveling priority along U axis rail 86 directions;
U axle burring machine 8 is arranged on V axle slide block 74, by U, V axle two-axle interlocking, realizes driving left side diamond pen 82, cylindrical finishing diamond pen 83 and right side diamond pen 84, efficiently the profile of bistrique 91 is repaired.
By adjusting B axle rotating mechanism 6, bistrique 91 is done to corresponding operating angle adjustment, realize the adjustment of the female plane camber angle of normal cylindrical worm gear lead angle or enveloping worm.Described B axle rotating mechanism 6 can be adjusted in positive and negative 90 degree scopes, and the benefit of this design also is to carry out grinding to spur gear and helical gear.Complete the interval of changing workpiece in grinding, also can carry out bistrique finishing action; Simultaneously, after bistrique 91 finishings, its bistrique grinding TRAJECTORY CONTROL more is conducive to the digital control system compensation, because the design of burring machine more is conducive to control the foundation of model and the enforcement of control program, is fully verified in actual use.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also be changed and be revised above-mentioned embodiment.Therefore, the present invention is not limited to the specific embodiment disclosed and described above, to modifications and changes more of the present invention, also should fall in the protection domain of claim of the present invention.In addition, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the present invention, adopt the device of other structure same or analogous with it, all in protection domain of the present invention.
Claims (10)
1. a new and effective numerically controlled tooth grinding machine, it is characterized in that: it comprises frame, the left and right workbench, the front and back workbench, the Z axis slide mechanism, C shaft-like work clamping device, the X-axis slide mechanism, B axle rotating mechanism, V axle burring machine, U axle burring machine and grinding head mechanism, described left and right workbench is horizontally installed on the forward position of described frame by described Z axis slide mechanism, and be subject to the driving of this Z axis slide mechanism to make to come and go sliding action along Z-direction, described C shaft-like work clamping device is arranged on the workbench of described left and right, described front and back workbench vertically is arranged on the tail position of described frame by the X-axis slide mechanism, and be subject to the driving of this X-axis slide mechanism to make close or separating action along the relatively described C shaft-like work of X-direction clamping device, described grinding head mechanism is arranged on the workbench of front and back, described V axle burring machine vertically is arranged on the workbench of described front and back by B axle rotating mechanism, the top position of the corresponding described grinding head mechanism of described U axle burring machine is horizontally installed on described V axle burring machine.
2. new and effective numerically controlled tooth grinding machine according to claim 1, it is characterized in that, described frame comprises front lathe bed and rear lathe bed, and after this, an end of lathe bed is vertically connected on a sidewall centre position of described front lathe bed, and the global sections appearance profile of this frame is in T shape.
3. new and effective numerically controlled tooth grinding machine according to claim 2, it is characterized in that, described Z axis slide mechanism comprises the Z axis servomotor, the Z axis guide rail, the Z axis screw mandrel reaches the Z axis feed screw nut seat suitable with this Z axis screw mandrel, described Z axis guide rail is arranged on the end face of described front lathe bed along Z-direction, described left and right workbench is movably arranged on this Z axis guide rail, the lower position of the corresponding left and right of described Z axis screw mandrel workbench is arranged on it described external crucible, described Z axis feed screw nut seat is arranged on the bottom of described left and right workbench, and suitable with described Z axis screw mandrel, described Z axis servomotor is arranged on a sidewall of front lathe bed, and be connected with described Z axis screw mandrel one end.
4. new and effective numerically controlled tooth grinding machine according to claim 3, it is characterized in that, described C shaft-like work clamping device comprises adjusting seat, C axle servomotor, C axle main shaft, the headstock, the headstock is top, tailstock, tailstock center, described adjusting seat is arranged on the workbench of described left and right, the described headstock is arranged on an end of described adjusting seat, and be provided with in the adjusting seat bottom and this adjusting seat location can be fixed on to the locking fixed block on the workbench of described left and right, two side positions of corresponding adjusting seat are provided with the adjustment bolt in described left and right workbench, the described headstock is top to be arranged on the madial wall of the described headstock, described C axle servomotor is arranged on the lateral wall of the described headstock, and be connected with the described headstock is top by described C axle main shaft, the center of described adjusting seat is provided with a saddle guide rail extended along Z-direction, described tailstock center is arranged on the other end of described adjusting seat by described tailstock, and top towards the described headstock, the bottom of described tailstock is provided with the locking bit corresponding with described saddle guide rail.
5. new and effective numerically controlled tooth grinding machine according to claim 1, it is characterized in that, described X-axis slide mechanism comprises the X-axis servomotor, workbench before and after X-axis, the X-axis guide rail, the X-axis screw mandrel reaches the X-axis feed screw nut seat suitable with this X-axis screw mandrel, described X-axis guide rail is arranged on the end face of described rear lathe bed along X-direction, described front and back workbench is movably arranged on this X-axis guide rail, before and after described X-axis screw mandrel correspondence, the lower position of workbench is arranged on described rear lathe bed, described X-axis feed screw nut's seat is arranged on the bottom of described front and back workbench, and suitable with described X-axis screw mandrel, described X-axis servomotor is arranged on a sidewall of rear lathe bed, and be connected with described X-axis screw mandrel one end, before and after described X-axis, workbench is arranged on the workbench of described front and back.
6. new and effective numerically controlled tooth grinding machine according to claim 5, it is characterized in that, the bistrique drive motors that described grinding head mechanism comprises bistrique and can drive this bistrique to rotate, this bistrique drive motors is arranged on the forward position of described X-axis front and back workbench, described bistrique is arranged on the driving shaft of this bistrique drive motors, and the axis of this bistrique and the top axis of the described headstock are on the same level height.
7. new and effective numerically controlled tooth grinding machine according to claim 6, it is characterized in that, described B axle rotating mechanism comprises B axle servomotor and B axle rotary table top, this B axle rotary table top is arranged on described X-axis front and back workbench near on the sidewall of described bistrique one side, described B axle servomotor is arranged on another sidewall of described X-axis front and back workbench, and can drive described B axle rotary table top to rotate.
8. new and effective numerically controlled tooth grinding machine according to claim 7, is characterized in that, described B axle servomotor is the large inertia motor of high moment of torsion with brake gear, and described bistrique drive motors is the servo principal axis motor.
9. new and effective numerically controlled tooth grinding machine according to claim 7, it is characterized in that, described V axle burring machine comprises the V bracing strut, V axle finishing motor, the V axis rail, V axle slide block, V axial filament bar reaches the V axial filament stem nut seat suitable with this V axial filament bar, the lower end of described V bracing strut is arranged on the side of described B axle rotary table top, described V axis rail is arranged on a side of V bracing strut along the V direction of principal axis, described V axle slide block is movably arranged on this V axis rail, described V axial filament pole pair answers the position of V axle slide block to be arranged on described V bracing strut, described V axial filament stem nut seat is arranged on described V axle slide block, and suitable with described V axial filament bar, described V axle servomotor is arranged on the upper end of described V bracing strut, and be connected with described V axial filament bar one end.
10. new and effective numerically controlled tooth grinding machine according to claim 9, it is characterized in that, described U axle burring machine comprises bistrique finishing frame, the left side diamond pen, the cylindrical finishing diamond pen, the right side diamond pen, U axle finishing motor, the U axis rail, U axle slide block, U axial filament bar reaches the U axial filament stem nut seat suitable with this U axial filament bar, described U axis rail is arranged on described V axle slide block along the U direction of principal axis, described U axle slide block is movably arranged on this U axis rail, described U axial filament pole pair answers the position of U axle slide block to be arranged on described V axle slide block, described U axial filament stem nut seat is arranged on described U axle slide block, and suitable with described U axial filament bar, described U axle servomotor is arranged on described V axle slide block one side, and be connected with described U axial filament bar one end, the upper end of described bistrique finishing frame is fixed on described U axle slide block, the n shape section that lower end formation one and described bistrique appearance profile are suitable, described left side diamond pen is arranged on the left free end of this n shape section, and the left surface towards described bistrique, described right side diamond pen is arranged on the right free end of this n shape section, and the right flank towards described bistrique, described cylindrical finishing diamond pen is arranged on the centre position of this n shape section, and the outer circumference surface towards described bistrique.
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| CN112170960A (en) * | 2020-09-04 | 2021-01-05 | 邓文才 | Saw blade manufacturing device |
| CN112338587A (en) * | 2020-10-23 | 2021-02-09 | 广州优米网络科技有限公司 | Automobile part machining and intelligent detection integrated equipment |
| CN113385995A (en) * | 2021-08-17 | 2021-09-14 | 江苏巨亨智能科技有限公司 | High-precision outer circle grinding machine for gear machining |
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