CN203556966U - Full numerical control gear milling machine for spiral bevel gear - Google Patents

Full numerical control gear milling machine for spiral bevel gear Download PDF

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Publication number
CN203556966U
CN203556966U CN201320714915.XU CN201320714915U CN203556966U CN 203556966 U CN203556966 U CN 203556966U CN 201320714915 U CN201320714915 U CN 201320714915U CN 203556966 U CN203556966 U CN 203556966U
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China
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turntable
gear
workpiece box
work spindle
spindle
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CN201320714915.XU
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Chinese (zh)
Inventor
沈凤美
王秀梅
陈志伟
李佳
陈洁
王伟
柴宝连
吴杰
王威
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Tianjin No 1 Machine Tool Works
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Tianjin No 1 Machine Tool Works
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Abstract

The utility model relates to a full numerical control gear milling machine for a spiral bevel gear. The full numerical control gear milling machine comprises a lathe bed, a column, a toolbox, a workpiece box, a rotary table transmission device, an electrical system, a pneumatic system, a hydraulic system and a cooling system, and is characterized in that a tool main shaft torque motor rotor is connected with a tool main shaft, and a tool main shaft damping mechanism is mounted on the tool main shaft; one end of a workpiece main shaft is directly fastened with a worpiece main shaft torque motor rotor; a workpiece main shaft clamping mechanism is arranged at the other end in a toolbox body, and a workpiece main shaft damping mechanism is mounted on the workpiece main shaft; and the rotary table transmission device comprises a worm gear bottom sleeve and worm and gear pair, a rotary table swing rod mechanism, a rotary table clamping oil cylinder and a support seat. The gear milling machine has the advantages as follows: a torque motor is used as power for directly driving the tool main shaft and the workpiece main shaft, so that the transmission precision and the processing efficiency can be improved greatly, adjustment is facilitated, and the rigidity is good; and adjustment of a root angle of a workpiece box and large rotation of feeding and blanking are realized by the aid of worm and gear pair transmission, finish machining of a pinion matched with a gear wheel in forming method and gear machining of cycloidal teeth are realized by the aid of the rotary table swing rod mechanism.

Description

Full-numerical-control spiral bevel gear generator
Technical field
The utility model belongs to bevel gear cutting machine technical field, particularly relates to a kind of Full-numerical-control spiral bevel gear generator.
Background technology
The design of automobile drive axle spiral bevel gear mainly adopts two kinds of tooth systems: i.e. convergent tooth and cycloid tooth.Convergent tooth is a kind of traditional main processing method, and at home and abroad application is very extensive for a long time.And in recent years, the designing and calculating of cycloid tooth and processing adjustment obtain very large simplification, also simple and fast more of the adjustment of contact zone simultaneously, cycloid tooth gear bearing capacity is also higher.Automobile industry both domestic and external, cycloid tooth gear obtains applying more and more widely.Therefore can process convergent tooth, can process again the lathe of cycloid tooth and more and more be favored.
Due to the principle of processing cycloid tooth, requirement has increased the roll ratio of cutter with workpiece on the basis of original processing tapered tooth principle, and it is accurate to require to roll ratio, and traditional bevel gear workpiece boxes of gear milling machine generally adopts the drive mechanisms such as gear pair or worm gear, not only can cause machine tool structure complexity, extend assembly period, and in machine tool running process, easily produce drive gap error, directly have influence on machining accuracy and the working (machining) efficiency of gear, also can there is the danger of forging a knife, cause very large loss.
For Full-numerical-control (cross axle) tooth milling machine, according to Gear Processing principle, the pinion of fine finishining and method of forming gear wheel pairing and all need workpiece box casing to drive the frock being fixedly mounted with thereon to swing together with workpiece while processing cycloid tooth gear, and the accurate gapless that requires to move in rotation process.Existing gear cutting machine also has employing torque motor directly to drive turntable to rotate, this kind of structure may exist and because choice of electrical machine is unreasonable, cause low speed jerking motion, cause processed gear teeth face to have chatter mark, not only can affect machining accuracy and the flank of tooth fineness of gear, also can at rolling cut, add the danger that man-hour, asynchronous existence was forged a knife because of workpiece and cutter, cause larger loss.
Traditional tooth milling machine cutter spindle adopts cage chair transmission, and cutting tool (cutterhead) is anchored on the main shaft of cage chair, and by means of the rotation of cage chair eccentric drum, cutterhead is installed on certain position.So not only can lose transmission accuracy and transmission efficiency, the movement velocity of cutter spindle also can be restricted simultaneously.Due to the restriction of above-mentioned tooth milling machine cutter spindle structure, can only adopt at present interrupted division method processing screw-pinch bevel gear and hypoid gear, and can not adopt continuous indexing processing cycloid equal-depth teeth bevel and hypoid gesrs.Although between nearly 1 year, occurred adopt gear-driven two generation cutter spindle structure, due to the impact that gear is originally experienced machining accuracy, easily there is driving error, and then affected the machining accuracy of bevel gear.
Utility model content
The utility model provides a kind of reasonable in design for solving the technical problem existing in known technology, adopt torque motor as power directly drive cutter spindle and work spindle, can increase substantially transmission accuracy and working (machining) efficiency, be convenient to adjustment, good rigidly and can realize the Full-numerical-control spiral bevel gear generator of multiple processing method.
The technical scheme that the utility model is taked for the technical problem existing in solution known technology is:
Full-numerical-control spiral bevel gear generator, comprise lathe bed 100, column 200, toolbox 300, workpiece box 400, turntable transmission device 500, electrical system, pneumatic system, hydraulic system and cooling system, two pairs of levels and orthogonal line slideway are set on described lathe bed 100, on described column, be fixedly mounted with a pair of perpendicular to bed ways and the line slideway 201 that is parallel to each other, described column and turntable transmission device are separately positioned on lathe bed line slideway, toolbox 300 sides hang on the line slideway 201 of the outer side of column, described toolbox comprises cutter spindle casing and is arranged on the cutter spindle in cutter spindle casing, described workpiece box 400 is arranged on turntable transmission device 500, described workpiece box comprises workpiece box casing and work spindle, between column and lathe bed, between turntable transmission device and lathe bed, automatic moving mechanism is also set respectively between column and toolbox, on lathe bed one angular position, be provided with chip removal device, it is characterized in that:
In described cutter spindle casing 311, be fixed with cutter spindle torque motor stator 302 and cutter spindle torque motor rotor 303, described cutter spindle torque motor rotor is connected with cutter spindle 314 with key by tapered sleeve 301, described cutter spindle one end by overlap 329 and locking nut the first encoder 320 is installed, the cutter spindle damping mechanism that can produce to it opposite force is housed at cutter spindle position placed in the middle;
Described work spindle 401 is supported and fixed on workpiece box casing by workpiece box clutch shaft bearing 402 and the first nut 403, in workpiece box casing 404 one end, be fixed with work spindle torque motor stator 415, described work spindle one end is direct and work spindle motor torque rotor 407 is fastening; In workpiece box casing, the other end is provided with and prevents the rotating work spindle clamp mechanism of work spindle, the work spindle damping mechanism that can produce opposite force to it is equipped with at described work spindle position placed in the middle, in work spindle end, by transition disc 411, is fixed with grating scale 410;
Described turntable transmission device 500 comprises feed slide 501 and turret base 510, also comprises for driving cover 512 and worm couple at the bottom of the worm gear that turntable rotates, can realize pinion and the accurately machined turntable swing-bar mechanism of cycloid gear, for turret base, workpiece box casing 404 and turntable the second clamping cylinder 547 that at the bottom of worm gear, cover clamps, turntable the first clamping cylinder 504 and the supporting base 530 for turret base with feed slide clamping; At the bottom of described worm gear, cover 512 is supported in turret base 510 by one group of 511 radial location of turntable drive bearing, end face, can, around sliding into the cylinder revolution on plate, put and be fixed with worm gear 509 at the bottom of described worm gear; Described turret base by with at the bottom of worm gear, overlap one group of turntable drive bearing 511 radial location, in turret base lower end, be fixedly mounted with turntable the first ring flange 502 and be supported on the end face of feed slide; Described turntable swing-bar mechanism is packed on the end face of feed slide by casing 545 and adjusting pad; Described supporting base 530 is packed in turret base 510; The worm screw 520 of described worm couple is supported and is packed in turret base 510 by cup-shaped cover, bearing, nut and ring flange.
The utility model can also adopt following technical scheme:
Described cutter spindle damping mechanism comprises cutter spindle the first gear 307 of being arranged on cutter spindle, is arranged on cutter spindle the second gear 322 on the first power transmission shaft 317 and that engage with cutter spindle the first gear and the toolbox hydraulic motor 316 that is arranged on the external side of tool head, described the first power transmission shaft is arranged in toolbox hydraulic motor seat 318 by bearings, and described toolbox hydraulic motor is connected with the first power transmission shaft by flat key.
Described cutter spindle torque motor stator puts outward and has tank, and is provided with the cooling water supply connector 324 of cooling water circulation and cooling water outlet joint 323 are provided for torque motor is cooling.
Described work spindle clamp mechanism comprises work spindle clamping cylinder 417, locking plate 418, workpiece box the first ring flange 416 and workpiece box the second ring flange 420, described work spindle clamping cylinder is packed in workpiece box casing 404 by securing member, the piston 421 of described work spindle clamping cylinder is fastening with workpiece box the second ring flange, is fixed with locking plate and workpiece box the first ring flange in work spindle 401 ends.
In described work spindle clamping cylinder 417, disc spring film 419 is housed.
Described work spindle damping mechanism comprises work spindle the first damping gear 406 of being arranged on work spindle, by key, is arranged on work spindle the second damping gear 427 engaging in rotating shaft 424 and with work spindle the first damping gear and is arranged on the workpiece box hydraulic motor 423 of the outer side of workpiece box casing, described rotating shaft is arranged on workpiece box second support 422 of workpiece box casing by bearings, and described workpiece box hydraulic motor is connected with rotating shaft by flat key.
Described turntable swing-bar mechanism comprises casing 545, turntable second driving shaft 533, turntable the 3rd power transmission shaft 537, turntable clutch shaft bearing cover 532, turntable the second bearing holder (housing, cover) 536, ball-screw 529, screw 552, electric machine support 542 and turntable the second servomotor 550, described turntable second driving shaft 533 is supported on supporting base 530 by bearing and turntable clutch shaft bearing cover 532, and described turntable the 3rd power transmission shaft 537 is supported on casing 545 by bearing and turntable the second bearing holder (housing, cover) 536; Described ball-screw 529 supports and is fixed on turntable the 3rd power transmission shaft 537 by the cup-shaped cover 538 of turntable second, turntable the 4th spacer 534, turntable the 5th spacer 540 and turntable the 4th ring flange 544; Described screw is packed on turntable second driving shaft 533, is also fixed with electric machine support 542 and turntable the second servomotor 550 on turntable the 3rd power transmission shaft 537, and described turntable the second servomotor is coaxially connected with ball-screw by turntable the second shaft coupling 541.
At the bottom of described worm gear, between cover 512 and feed slide 501, the encoder 515 for feeding back workpiece box rotary position and speed is housed.
Advantage and the good effect that the utlity model has are: because utility model adopts technique scheme, adopt torque motor direct to connect in succession cutter spindle, and by torque motor, directly drive cutter spindle rotation, not only can avoid cage chair transmission cause transmission accuracy and transmission efficiency loss, improved the movement velocity of cutter spindle; But also can solve gear transmission structure, affect machining accuracy, easily occur the problem that driving error and noise are large.In addition, adopt hydraulic motor to opposite force of cutter spindle, to play damping action by gear drive, and then make cutter spindle transmission more steadily reliable, improve machining accuracy.Milling machine of digital-control spiral conical gear adopts this cutter spindle mechanism also can carry out high speed, accurate machining to spiral bevel gear, improves machining accuracy and the fineness of the flank of tooth, and then improves transmission accuracy and the transmission stability of spiral bevel gear.
By adopting torque motor direct to drive the workpiece box kind of drive of work spindle transmission, can make work spindle drive mechanism more simplify, the error that elimination produces due to drive gaps such as gear pair, worm gears, realize height stepless time adjustment, improve bevel gear making precision and working (machining) efficiency, can meet the processing needs of user to convergent tooth and two kinds of tooth systems of cycloid tooth.The application of main shaft clamping mechanism also can adopt method of forming processing gear wheel, improves rigidity and the machining accuracy of lathe.Damping mechanism makes hydraulic motor to the gear being packed on work spindle, apply damping force by driving with its gear being coaxially fixedly mounted with.The rotation, calibration that in addition, also can solve mechanical spiral bevel gear milling machine work spindle can only be transmitted motion and processing different workpieces through longer driving-chain by main motor and must be changed gear changing group etc. and cause that transmission accuracy efficiency is low, the technical barrier of complex operation.Reduced the parts of lathe, not only simple in structure, be convenient to processing and the assembling of lathe, also can cut down finished cost.
Adopt worm and gear auxiliary driving to realize the adjustment of workpiece box root angle and the large revolution of loading and unloading, by turntable swing-bar mechanism, realize fine finishining and the cycloid tooth Gear Processing of the pinion matching with method of forming gear wheel.Adopt the less servomotor of moment can obtain very large thrust by ball-screw-transmission.The workpiece box that this turntable transmission device not only can need workpiece Roughing and fine machining rotates separately, reduce unnecessary wearing and tearing and reduce fine finishining precision, structural design is reliable, good rigidly, precision are high, without low speed jerking motion, motion steadily, avoid processed gear teeth face to have chatter mark, not only can improve machining accuracy and the flank of tooth fineness of gear, also can greatly reduce costs, increase work efficiency, be convenient to user's operation.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is toolbox structural representation of the present utility model;
Fig. 3 is the utility model workpiece box structural representation;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the utility model turntable transmission structures schematic diagram;
Fig. 6 is the B-B cutaway view of Fig. 5;
Fig. 7 is that the C-C dextrorotation of Fig. 6 turn 90 degrees cutaway view;
Fig. 8 is that the D-D of Fig. 5 is rotated counterclockwise 90 degree cutaway views;
Fig. 9 is the I portion enlarged drawing of Fig. 6.。
In figure: 100, lathe bed; 200, column;
300, toolbox; 301, tapered sleeve; 302, cutter spindle torque motor stator; 303, cutter spindle torque motor rotor; 304, the first locking nut; 305, the first oil baffle disc; 306, the first rotary oil seal; 307, cutter spindle the first gear; 308, the second rotary oil seal; 309, the second oil baffle disc; 310, rear bearing; 311, cutter spindle casing; 312, fore bearing; 313, drive end bearing bracket; 314, cutter spindle; 315, the second locking nut; 316, toolbox hydraulic motor; 317, the first power transmission shaft; 318, toolbox hydraulic motor seat; 319, clutch shaft bearing; 320, the first encoder; 321, toolbox ring flange; 322, cutter spindle the second gear; 323, cooling water outlet joint; 324, cooling water supply connector; 325, seal cover; 326, circlip; 327, casing bonnet; 328, the second locking nut; 329, cover;
400, workpiece box; 401, work spindle; 402, workpiece box clutch shaft bearing; 403, the first nut; 404, workpiece box casing; 405, the first screw; 406, work spindle the first damping gear; 407, work spindle torque motor rotor; 408, workpiece box the first support; 409, read head; 410, grating scale; 411, transition disc; 412, workpiece box the second bearing; 413, key; 414, bonnet; 415, work spindle torque motor stator; 416, workpiece box the first ring flange; 417, workpiece box clamping cylinder, 418, locking plate; 419, butterfly spring sheet; 420, workpiece box the second ring flange; 421, workpiece box clamping cylinder piston; 422, workpiece box the second support; 423, workpiece box hydraulic motor; 424, rotating shaft; 425, workpiece box the first spacer; 426, workpiece box the first adjusting pad; 427, work spindle the second damping gear; 428, packing ring; 429, workpiece box the second adjusting pad; 430, workpiece box the second spacer; 431, workpiece box the 3rd adjusting pad; 432, workpiece box three-flange dish; 433, workpiece box the 4th adjusting pad;
500, turntable transmission device; 501, feed slide; 502, turntable the first ring flange; 503, trip bolt; 504, turntable the first clamping cylinder; 505, turntable the first clamping cylinder piston; 506, spring; 507, turntable the second ring flange; 509, worm gear; 510, turret base; 511, turntable drive bearing; 512, cover at the bottom of worm gear; 513, turntable the first power transmission shaft; 514, nut, 515, encoder; 516, turntable the first spacer; 517, turntable the second spacer; 518, turntable the first adjusting pad; 519, turntable the second adjusting pad; 520, worm screw; 521, turntable three-flange dish; 522, turntable the 3rd adjusting pad; 523, the cup-shaped cover of turntable first; 524, transition disc; 525, turntable the first shaft coupling; 526, turntable the first servomotor; 527, turntable the 4th adjusting pad; 528, turntable the 3rd spacer; 529, ball-screw; 530, supporting base; 531, turntable the 5th adjusting pad; 532, turntable clutch shaft bearing cover; 533, turntable second driving shaft; 534, turntable the 4th spacer; 535, turntable the 6th adjusting pad; 536, turntable the second bearing holder (housing, cover); 537, turntable the 3rd power transmission shaft; 538, the cup-shaped cover of turntable second; 539, turntable the 7th adjusting pad; 540, turntable the 5th spacer; 541, turntable the second shaft coupling; 542, electric machine support; 543, turntable the 8th adjusting pad; 544, turntable the 4th ring flange; 545, casing; 546, pressing plate; 547, turntable the second clamping cylinder; 548, turntable the second clamping cylinder piston; 549, T shape screw; 550, turntable the second servomotor; 551, adjusting nut; 552, screw; 553, locknut.
The specific embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1-Fig. 9, Full-numerical-control spiral bevel gear generator, comprises lathe bed 100, column 200, toolbox 300, workpiece box 400, turntable transmission device 500, electrical system, pneumatic system, hydraulic system and cooling system.Two pairs of levels and orthogonal line slideway are set on described lathe bed 100, are fixedly mounted with a pair ofly perpendicular to bed ways and the line slideway 201 that is parallel to each other on described column, described column and turntable transmission device are separately positioned on lathe bed line slideway.Toolbox 300 sides hang on the line slideway 201 of the outer side of column, and described toolbox comprises cutter spindle casing and is arranged on the cutter spindle in cutter spindle casing.Described workpiece box 400 is arranged on turntable transmission device 500, and described workpiece box comprises workpiece box casing and work spindle.Between column and lathe bed, between turntable transmission device and lathe bed, automatic moving mechanism is also set respectively between column and toolbox, on lathe bed one angular position, be provided with chip removal device.
Refer to Fig. 2, described toolbox 300 comprises: cutter spindle casing 311 and be arranged on the cutter spindle 314 in cutter spindle casing.In described cutter spindle casing, be fixed with cutter spindle torque motor stator 302 and cutter spindle torque motor rotor 303, described cutter spindle torque motor rotor 303 is fixed on the tapered sleeve 301 that is positioned at main spindle box body, and is connected with cutter spindle by flat key.Described cutter spindle supports and is fixed in cutter spindle casing 311 and casing bonnet 327 by fore bearing 312, rear bearing 310 and auxiliary bearing, and described auxiliary bearing is fixing by circlip 326, and seal cover 325 is housed on casing bonnet.In cutter spindle one end, by drive end bearing bracket 313, seal, the described cutter spindle other end by overlap 329 and the 3rd locking nut 328 the first encoder 320 is installed, at cutter spindle position placed in the middle, be equipped with and can produce to it damping mechanism of opposite force effect.
In the present embodiment, described damping mechanism comprises cutter spindle the first gear 307 of being arranged on cutter spindle, is arranged on cutter spindle the second gear 322 on the first power transmission shaft 317 and that engage with cutter spindle the first gear and the toolbox hydraulic motor 316 that is arranged on the external side of tool head, described the first power transmission shaft is arranged in toolbox hydraulic motor seat 318 by bearings, and described toolbox hydraulic motor is connected with the first power transmission shaft by flat key.Described cutter spindle the first gear 317 is fixed on cutter spindle 314 by the second locking nut 315, described the first power transmission shaft 317 is supported and is arranged in toolbox hydraulic motor seat 318 by a pair of fore bearing 319 and a rear bearing 319, the first power transmission shaft front end is fixing by toolbox ring flange 321, and the first power transmission shaft rear end is fixing by the second locking nut 315.Described toolbox hydraulic motor 316 is fixed on toolbox hydraulic motor seat 318, described hydraulic motor axle is connected with the first power transmission shaft 317 by flat key, can play the opposite force damping action to cutter spindle 314 by the transmission of toolbox hydraulic motor 318, the first power transmission shaft 317, cutter spindle the second gear 322 and cutter spindle the first gear 307 like this.
The first oil baffle disc 305, the second oil baffle disc 309, the first rotary oil seal 306 and the second rotary oil seal 308 are housed on casing 311, described the first oil baffle disc 305, the second oil baffle disc 309, the first rotary oil seal 306 and the second rotary oil seal 308 are that casing 311 middle parts are formed to an oil sump, are that the first gear 307 and the second gear 322 are lubricated.
Described cutter spindle 314 other ends by overlap 329 and second locking nut 328 encoder 320 is housed, by encoder, realize closed-loop control.
In the present embodiment, described torque motor stator puts outward and has tank, and be provided with cooling water supply connector 324 and cooling water outlet joint 323 that cooling water circulation is provided for torque motor, by external water cooling unit, cooling water supply connector 324 and cooling water outlet joint 323, be that torque motor is cooling.
Refer to Fig. 3 and Fig. 4, described work spindle is by two places before and after workpiece box clutch shaft bearing 402() and the first nut 403 be supported and fixed on workpiece box casing 404, and lock in clutch shaft bearing and encircle by the first nut 403, work spindle the first damping gear 406, by workpiece box the 4th adjusting pad 433, workpiece box the first ring flange 416 of being packed on workpiece box casing 404, lock outer race, so realize work spindle axially, radial location.In described workpiece box box back, by the first screw 405, be fixed with work spindle torque motor stator 415, key 413, transition disc 411 are passed through in described work spindle rear end, the first nut 403 is direct and work spindle torque motor rotor 407 is fastening, work spindle torque motor rotor is fastened on work spindle rear end, and then can directly drive work spindle revolution.Workpiece box the second bearing 412, as the supplemental support of work spindle 401, is fixed with grating scale 410 in work spindle end by transition disc 411, and described grating scale is with the position of work spindle 401 synchronous rotary feedback work spindles.Below grating scale, by workpiece box the first support 408, read head 409 is installed, described workpiece box box back portion is fixed with bonnet 414 by screw.
At workpiece box casing Inner Front End, be provided with the main shaft clamping mechanism that prevents main shaft gyration, described main shaft clamping mechanism comprises work spindle clamping cylinder 417, locking plate 418, workpiece box the first ring flange 416 and workpiece box the second ring flange 420, described work spindle clamping cylinder is packed in workpiece box casing by securing member, piston 421 and second ring flange of described work spindle clamping cylinder are fastening, on work spindle leading section, be fixed with locking plate, the first ring flange and the 4th adjusting pad 433, disc spring film 419 is housed in described clamping cylinder.Piston 421 in clamping cylinder moves right and is pressed through screw and is packed in the locking plate 418 of work spindle front end under the effect of hydraulic oil, locking plate produces strain and tightly suppresses workpiece box the first ring flange being packed on work spindle, and prevents work spindle revolution.When work spindle clamping cylinder oil-break, the butterfly spring sheet 419 being contained in work spindle clamping cylinder can promote workpiece box the second ring flange 420 being fixedly mounted with piston 421, piston 421 is moved to the left, and makes piston reset, now, work spindle can recover to rotate.
The work spindle damping mechanism that can produce to it opposite force is equipped with at described work spindle position placed in the middle, described work spindle damping mechanism comprises work spindle the first damping gear 406 of being arranged on work spindle, by key 413, is arranged on work spindle the second damping gear 427 engaging in rotating shaft 424 and with work spindle the first damping gear and is arranged on the workpiece box hydraulic motor 423 of the outer side of workpiece box casing, described rotating shaft 424 is arranged on workpiece box second support 422 of workpiece box casing by bearings, and described workpiece box hydraulic motor is connected with rotating shaft by flat key.Workpiece box the second support 422 is packed on workpiece box casing by workpiece box the first adjusting pad 426, by workpiece box the first spacer 425, workpiece box the second adjusting pad 429, workpiece box the second spacer 430, the first nut 403, lock bearing inner ring, by packing ring 428, workpiece box the 3rd adjusting pad 431, workpiece box three-flange dish 432, the first screw 405, lock outer race.Described work spindle the second damping gear 427 by screw fastening in rotating shaft 424, workpiece box hydraulic motor 423 is packed on workpiece box the second support 422, by key 413 can drive shaft 424, work spindle the second damping gear 427 turns round, the gear pair consisting of work spindle the first damping gear 406 and work spindle the second damping gear 427 provides a reverse moment of torsion, damping while realizing work spindle revolution, it is more steady that assurance adds work spindle running in man-hour, reduces vibrations.
Because cycloid tooth is continuous cutting, the ratio that rolls of cutter and workpiece requires precisely, the rotary speed of cutter spindle, work spindle will be much larger than the speed of cutting convergent tooth, and the workpiece box drive mechanism that therefore adopts main shaft directly to drive transmission both can meet required precision, can meet again rate request.Work spindle clamp mechanism is that the clamping cylinder that is fixed on workpiece box casing front end can clamp work spindle by hydraulic system, prevents work spindle rotation.Damping mechanism adopts hydraulic motor, and to the first gear being packed on work spindle, applies damping force by driving with its second gear being coaxially fixedly mounted with.
Refer to Fig. 5-Fig. 9, described turntable transmission device 500 comprises feed slide 501 and turret base 510, also comprises for driving cover 512 and worm couple at the bottom of the worm gear that turntable rotates, can realize pinion and the accurately machined turntable swing-bar mechanism of cycloid gear, for turret base, workpiece box casing 404 and turntable the second clamping cylinder 547 that at the bottom of worm gear, cover clamps, turntable the first clamping cylinder 504 and the supporting base 530 for turret base with feed slide clamping; At the bottom of described worm gear, cover 512 is supported in turret base 510 by one group of 511 radial location of turntable drive bearing, end face, can, around sliding into the cylinder revolution on plate, put and be fixed with worm gear 509 at the bottom of described worm gear; Described turret base by with at the bottom of worm gear, overlap one group of turntable drive bearing 511 radial location, in turret base lower end, be fixedly mounted with turntable the first ring flange 502 and be supported on the end face of feed slide; Described turntable swing-bar mechanism is packed on the end face of feed slide by casing 545 and adjusting pad; Described supporting base 530 is packed in turret base 510; The worm screw 520 of described worm couple is supported and is packed in turret base 510 by cup-shaped cover, bearing, nut and ring flange.
Comprise feed slide 501 and turret base 510, also comprise at the bottom of the worm gear for driving turntable to rotate overlap 512 worm couples, can realize pinion and the accurately machined turntable swing-bar mechanism of cycloid gear, for turret base, workpiece box casing 404 and turntable the second clamping cylinder 547 that at the bottom of worm gear, cover clamps, turntable the first clamping cylinder 504 and the supporting base 530 for turret base with feed slide clamping.
At the bottom of described worm gear, cover 512 is supported in turret base 510 by one group of turntable drive bearing 511 and turntable the first spacer 516 radial locations, end face, can turn round by the cylinder on feed slide, puts and be fixed with worm gear 509 at the bottom of described worm gear; Turntable the first spacer is packed on feed slide by trip bolt 503, and worm gear 509 puts at the bottom of being fixedly mounted with worm gear.
One group of turntable drive bearing 511 radial location that described turret base is overlapped at the bottom of by worm gear, in turret base lower end, by trip bolt 503, be fixedly mounted with turntable the first ring flange 502 and be supported on the end face of feed slide, described turret base can relatively rotate with cover at the bottom of worm gear.On the end face of feed slide, by screw, be fixedly mounted with turntable the first clamping cylinder 504, turntable the first clamping cylinder piston 505 moves down and compresses turntable the first ring flange 502 that is packed in turret base lower end under the effect of hydraulic oil, thereby turret base is pressed on feed slide, prevents that turret base from adding rotation in man-hour.When turntable the first clamping cylinder oil-break, the spring 506 being contained in turntable the first clamping cylinder cylinder body can promote to be packed in turntable the second ring flange 507 on turntable the first clamping cylinder piston, make the reset that moves up of turntable first piston, turret base can be recovered to rotate.
Described turntable swing-bar mechanism is packed on the end face of feed slide by casing 545 and adjusting pad; Described supporting base 530 is packed in turret base 510.
Bearings is passed through by the cup-shaped cover 523 of turntable first and inner bearings, the other end thereof in worm screw 520 one end of described worm couple, and be fixed in turret base by turntable the first spacer 517, turntable the second adjusting pad 519, nut 514, turntable three-flange dish 521, turntable the 3rd spacer 528 and turntable the 4th adjusting pad 527, cover revolution at the bottom of can driving worm gear and driving worm gear, thereby drive, be packed in the workpiece box revolution putting at the bottom of worm gear, realize the adjustment of workpiece box root angle and the large revolution of loading and unloading.Described worm screw is coaxially connected with turntable the first servomotor 526 by turntable the first shaft coupling 525, and described turntable the first servomotor is packed in turret base by transition disc 524; By the back lash of turntable the first adjusting pad 518 capable of regulating worm gears, worm screw.
Described turntable the second clamping cylinder piston 548 is packed on workpiece box casing 404 by screw, in the cylinder body of turntable the second clamping cylinder 547, by locknut 553, be fixed with the T shape screw 549 that runs through the second clamping cylinder, pressing plate 546 and the screw that can play locking effect are equipped with in described T shape screw 549 tops, and by the axial location of adjusting nut 551 capable of regulating T shape screws.The described T shape screw other end is arranged in the T-slot of turret base, the cylinder body of the second clamping cylinder can move up under the effect of hydraulic oil, drive the T shape screw being solidly installed with it that workpiece box casing and turret base are clamped to (workpiece box casing puts at the bottom of being packed in worm gear) when gear established angle or loading and unloading are adjusted in the large revolution of workpiece box, the second clamping cylinder is in releasing orientation, the first clamping cylinder is in clamped condition, to guarantee that turret base is motionless.
Described turntable swing-bar mechanism is packed on the end face of feed slide by casing 545, turntable the 8th adjusting pad 543 and screw.Described turntable swing-bar mechanism comprises casing 545, turntable the second axle 533, turntable the 3rd axle 537, turntable clutch shaft bearing cover 532, turntable the second bearing holder (housing, cover) 536, ball-screw 529, screw 552, electric machine support 542 and turntable the second servomotor 550.Described turntable the second axle 533 is supported on supporting base 530 by bearing, turntable clutch shaft bearing cover 532 and turntable the 5th adjusting pad 531, and described turntable the 3rd axle 537 is supported on casing 545 by bearing, turntable the 6th adjusting pad 535 and turntable the second bearing holder (housing, cover) 536.Described ball-screw 529 supports and is fixed on turntable the 3rd axle 537 by the cup-shaped cover 538 of turntable second, turntable the 4th spacer 534, turntable the 7th adjusting pad 539, turntable the 5th spacer 540 and turntable the 4th ring flange 544; Described screw 552 is packed on turntable the second axle 533, is also fixed with electric machine support 542 and turntable the second servomotor 550 on turntable the 3rd axle 537, and described turntable the second servomotor is coaxially connected with ball-screw by turntable the second shaft coupling 541.By turntable the second driven by servomotor ball-screw revolution, described screw axially moves along ball-screw, together with turntable the second axle 533 that promotion is fixedly mounted with screw, move, thereby by bearing and be packed in supporting base 530 in turret base and promote turret base and rotate around feed slide, ball-screw is along turntable the 3rd axle 537 rotations.Now turntable the first clamping cylinder is in releasing orientation, turntable the second clamping cylinder is in clamped condition, by being packed in the workpiece box putting at the bottom of worm gear, rotate together with after turret base clamping, realize fine finishining and the cycloid tooth Gear Processing of the pinion matching with method of forming gear wheel.
This numerical control bevel gear tooth milling machine turntable transmission device is arranged on lathe bed, feed slide 501 is fixedly mounted with the nut that is arranged on the ball-screw on lathe bed, workpiece box is packed at the bottom of the worm gear of turntable transmission device on cover 512, and feed slide is by being arranged on the feeding that realizes workpiece box under the effect of lathe bed ball screw assembly.Turntable the first servomotor 526 drive the worm screw 520 being packed in turret base to drive worm gear 509 and the worm gear that is fixedly mounted with it at the bottom of the cylinder revolution of cover on feed slide, thereby drive, be packed in the workpiece box revolution putting at the bottom of worm gear, realize the adjustment of workpiece box root angle and the large revolution of loading and unloading.
It should be noted that, unless otherwise clearly defined and limited, term " first ", " second " etc. do not represent order installation, do not represent the importance of described parts yet.
The example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar parts or has the parts of identical or similar functions from start to finish.

Claims (8)

1. a Full-numerical-control spiral bevel gear generator, comprise lathe bed (100), column (200), toolbox (300), workpiece box (400), turntable transmission device (500), electrical system, pneumatic system, hydraulic system and cooling system, two pairs of levels and orthogonal line slideway are set on described lathe bed (100), on described column, be fixedly mounted with a pair of perpendicular to bed ways and the line slideway (201) that is parallel to each other, described column and turntable transmission device are separately positioned on lathe bed line slideway, toolbox (300) side hangs on the line slideway (201) of the outer side of column, described toolbox comprises cutter spindle casing and is arranged on the cutter spindle in cutter spindle casing, described workpiece box (400) is arranged on turntable transmission device (500), described workpiece box comprises workpiece box casing and work spindle, between column and lathe bed, between turntable transmission device and lathe bed, automatic moving mechanism is also set respectively between column and toolbox, on lathe bed one angular position, be provided with chip removal device, it is characterized in that:
In described cutter spindle casing (311), be fixed with cutter spindle torque motor stator (302) and cutter spindle torque motor rotor (303), described cutter spindle torque motor rotor is connected with cutter spindle (314) with key by tapered sleeve (301), described cutter spindle one end is provided with the first encoder (320) by cover (329) and locking nut, and the cutter spindle damping mechanism that can produce to it opposite force is housed at cutter spindle position placed in the middle;
Described work spindle (401) is supported and fixed on workpiece box casing by workpiece box clutch shaft bearing (402) and the first nut (403), in workpiece box casing (404) one end, be fixed with work spindle torque motor stator (415), described work spindle one end is direct and work spindle motor torque rotor (407) is fastening; In workpiece box casing, the other end is provided with and prevents the rotating work spindle clamp mechanism of work spindle, the work spindle damping mechanism that can produce to it opposite force is equipped with at described work spindle position placed in the middle, in work spindle end, by transition disc (411), is fixed with grating scale (410);
Described turntable transmission device (500) comprises feed slide (501) and turret base (510), also comprises for driving cover (512) and worm couple at the bottom of the worm gear that turntable rotates, can realize pinion and the accurately machined turntable swing-bar mechanism of cycloid gear, for turret base, workpiece box casing (404) and turntable the second clamping cylinder (547) that at the bottom of worm gear, cover clamps, for turntable the first clamping cylinder (504) and the supporting base (530) of turret base and feed slide clamping; At the bottom of described worm gear, cover (512) is supported on turret base (510) above by one group of turntable drive bearing (511) radial location, end face, can, around sliding into the cylinder revolution on plate, put and be fixed with worm gear (509) at the bottom of described worm gear; Described turret base by with at the bottom of worm gear, overlap one group of turntable drive bearing (511) radial location, in turret base lower end, be fixedly mounted with turntable the first ring flange (502) and be supported on the end face of feed slide; Described turntable swing-bar mechanism is packed on the end face of feed slide by casing (545) and adjusting pad; Described supporting base (530) is packed in turret base (510); The worm screw (520) of described worm couple is supported and is packed in turret base (510) by cup-shaped cover, bearing, nut and ring flange.
2. Full-numerical-control spiral bevel gear generator according to claim 1, it is characterized in that: described cutter spindle damping mechanism comprises cutter spindle the first gear (307) being arranged on cutter spindle, be arranged on the first power transmission shaft (317) and cutter spindle the second gear (322) engaging with cutter spindle the first gear and the toolbox hydraulic motor (316) that is arranged on the external side of tool head, described the first power transmission shaft is arranged in toolbox hydraulic motor seat (318) by bearings, described toolbox hydraulic motor is connected with the first power transmission shaft by flat key.
3. Full-numerical-control spiral bevel gear generator according to claim 2, it is characterized in that: described cutter spindle torque motor stator puts outward and has tank, and be provided with the cooling water supply connector of cooling water circulation (324) and cooling water outlet joint (323) are provided for torque motor is cooling.
4. Full-numerical-control spiral bevel gear generator according to claim 1, it is characterized in that: described work spindle clamp mechanism comprises work spindle clamping cylinder (417), locking plate (418), workpiece box the first ring flange (416) and workpiece box the second ring flange (420), described work spindle clamping cylinder is packed in workpiece box casing (404) by securing member, the piston (421) of described work spindle clamping cylinder is fastening with workpiece box the second ring flange, in work spindle (401) end, is fixed with locking plate and workpiece box the first ring flange.
5. Full-numerical-control spiral bevel gear generator according to claim 4, is characterized in that: disc spring film (419) is housed in described work spindle clamping cylinder (417).
6. Full-numerical-control spiral bevel gear generator according to claim 1, it is characterized in that: described work spindle damping mechanism comprises work spindle the first damping gear (406) being arranged on work spindle, by key, be arranged on upper and work spindle the second damping gear (427) that engage with work spindle the first damping gear of rotating shaft (424) and be arranged on the workpiece box casing workpiece box hydraulic motor (423) of a side outward, described rotating shaft is arranged on by bearings on workpiece box second support (422) of workpiece box casing, described workpiece box hydraulic motor is connected with rotating shaft by flat key.
7. Full-numerical-control spiral bevel gear generator according to claim 1, it is characterized in that: described turntable swing-bar mechanism comprises casing (545), turntable second driving shaft (533), turntable the 3rd power transmission shaft (537), turntable clutch shaft bearing cover (532), turntable the second bearing holder (housing, cover) (536), ball-screw (529), screw (552), electric machine support (542) and turntable the second servomotor (550), described turntable second driving shaft (533) is supported on supporting base (530) by bearing and turntable clutch shaft bearing cover (532), described turntable the 3rd power transmission shaft (537) is supported on casing (545) by bearing and turntable the second bearing holder (housing, cover) (536), described ball-screw (529) supports and is fixed on turntable the 3rd power transmission shaft (537) by the cup-shaped cover of turntable second (538), turntable the 4th spacer (534), turntable the 5th spacer (540) and turntable the 4th ring flange (544), described screw is packed on turntable second driving shaft (533), on turntable the 3rd power transmission shaft (537), be also fixed with electric machine support (542) and turntable the second servomotor (550), described turntable the second servomotor is coaxially connected with ball-screw by turntable the second shaft coupling (541).
8. Full-numerical-control spiral bevel gear generator according to claim 1, is characterized in that: at the bottom of described worm gear, between cover (512) and feed slide (501), the encoder (515) for feeding back workpiece box rotary position and speed is housed.
CN201320714915.XU 2013-11-14 2013-11-14 Full numerical control gear milling machine for spiral bevel gear Withdrawn - After Issue CN203556966U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567550A (en) * 2013-11-14 2014-02-12 天津第一机床总厂 Full-numerical-control spiral bevel gear milling machine
CN104907585A (en) * 2015-06-30 2015-09-16 廊坊开发区久安机械制造有限公司 Portable and automatic beveling machine for T-shaped internal-expansion pipes
CN104924042A (en) * 2015-06-23 2015-09-23 天津第一机床总厂 Large gear machine tool drum wheel assembled piece machining method
CN108213620A (en) * 2016-12-22 2018-06-29 北京市电加工研究所 A kind of torque motor drives the full immersion liquid turntable of electric spark

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567550A (en) * 2013-11-14 2014-02-12 天津第一机床总厂 Full-numerical-control spiral bevel gear milling machine
CN104924042A (en) * 2015-06-23 2015-09-23 天津第一机床总厂 Large gear machine tool drum wheel assembled piece machining method
CN104907585A (en) * 2015-06-30 2015-09-16 廊坊开发区久安机械制造有限公司 Portable and automatic beveling machine for T-shaped internal-expansion pipes
CN108213620A (en) * 2016-12-22 2018-06-29 北京市电加工研究所 A kind of torque motor drives the full immersion liquid turntable of electric spark

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