CN202591752U - Numerical control hobbing machine - Google Patents
Numerical control hobbing machine Download PDFInfo
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- CN202591752U CN202591752U CN 201220208593 CN201220208593U CN202591752U CN 202591752 U CN202591752 U CN 202591752U CN 201220208593 CN201220208593 CN 201220208593 CN 201220208593 U CN201220208593 U CN 201220208593U CN 202591752 U CN202591752 U CN 202591752U
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- hobbing machine
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Abstract
The utility model aims to provide a numerical control hobbing machine. Cylindrical straight gears or bevel cylindrical gears of large modulus, medium modulus and small modulus and the like can be hobbed through four-shaft or five-shaft numerical control linkage. The numerical control hobbing machine comprises a lathe body, a large stand column, a small stand column, a working table, a tool rest and a sliding plate, wherein the tool rest is provided with a servo motor II; the servo motor II controls a main shaft to finish cutting motion, i.e., B axis, through a main shaft gear reducer; the lathe body is provided with a servo motor III; the servo motor III controls the working table to finish radial feeding motion, i.e., X axis, through a connecting ball lead screw; the working table is provided with a servo motor IV; and the servo motor IV drives a worm wheel to rotate to control a rotary table on the working table to rotate, i.e., C axis, through a dividing worm. Due to the structure, machining of the straight gear and the bevel gear can be finished; and most importantly, components such as imported electronic gear boxes are saved, so that the cost is greatly reduced.
Description
Technical field
The utility model relates to chain digital control gear hobbing machine and makes the field, and particularly a kind of four/five-shaft numerical control gear-hobbing machine is made.
Background technology
Gear-hobbing machine is the indispensable equipment of Machining of Gear, accounts for 40%～50% in the gear cutting machine.Along with the high speed development of Qi Che ﹑ ship construction machinery, motorcycle and the industry of agricultural machinery gear, the demand of gear is increased day by day, more and more high to the requirement of efficient, quality and the processing cost of the processing of gear-hobbing machine.
Standard machinery driven type gear-hobbing machine is changed change gear inconvenience because driving-chain is complicated, and transmission accuracy is lower, and rolling cut speed is slow, makes existing working (machining) efficiency and machining accuracy more and more be difficult to meet the need of market.General hobbing machine has seven motions, is respectively: the hobboing cutter main shaft rotates B, and workpiece spindle rotates C, movable workbench X, and slide plate moves Z1, and hobboing cutter moves Y vertically, blade holder turns A, the post thimble moves axially Z2 along workpiece.
Mostly existing 2/3 Shaft and NC Machining Test gear-hobbing machine is that X, Z are to feeding; Main shaft and Zheng Chi ﹑ Xie Chi ﹑ still adopt mechanical drive train; Still kept Fen Chi ﹑ Xie Chi ﹑ awl tooth, barreled tooth flank speed gears case, and complicated driving-chain still exists bigger driving error, limited the rotating speed of main shaft simultaneously.Four above multi-axis numerical control gear-hobbing machine efficient and precision all are greatly improved on the basis of original mechanical driven type gear-hobbing machine; Gleason company like the U.S.; The Mitsubishi of the Liebherr company of Germany and Japan, the high-speed dry cutting chain digital control gear hobbing machine that also has domestic Chongqing Machine Tool group to produce all can be realized high-speed cutting.And for example less than 2 o'clock, the speed of mainshaft can be up to 9000rpm at the processing modulus for the L60 gear-hobbing machine of Liebherr.The mechanical type of comparing driven type gear-hobbing machine maximum speed 500rpm is greatly improved on efficient.Yet mostly domestic chain digital control gear hobbing machine for medium and small modulus processing is the 5-7 axle, and cost is high, costs an arm and a leg, and is unfavorable for the numerical control renewal of domestic majority Gear Processing producer gear hobbing lathe, is difficult to realize the large tracts of land popularization.
Summary of the invention
The purpose of the utility model provides a kind of chain digital control gear hobbing machine, can be used for the processing of large, medium and small gear, and wherein, it is YK3120CNC4 that four-shaft numerically controlled gear-hobbing machine is represented model; YK3130CNC4, YK3150CNC4, YK3180CNC4; It is YK3120CNC5 that YK31125CNC4, five-shaft numerical control gear-hobbing machine represent model, YK3130CNC5; YK3150CNC5, YK3180CNC5, YK31125CNC5.Through the interlock of four or five-shaft numerical control, can the large, medium and small modulus spur gear wheel of rolling cut and helical gear (shaft gear, coil gear), characteristic rolling cut cydariform and conelet degree special shape gear, and radial feed rolling cut worm gear and tangential auto-feed rolling cut worm gear and spline.The hydraulic pressure of lathe, lubricate, be cooled to fully independently system.
For realizing that the technical scheme that the utility model purpose adopts is such, a kind of chain digital control gear hobbing machine comprises lathe bed, big column, post, workbench, knife rest and slide plate.Said knife rest is equipped with the servomotor II, and said servomotor II is through mainshaft gear decelerator control main shaft cutting movement B.Said lathe bed is equipped with the servomotor III, and said servomotor III is accomplished radial feed motion X through connecting radial feed ball-screw sub-control workbench.Said workbench is equipped with servomotor IV, and said servomotor IV connects indexing worm and drives the worm gear rotation, impels workbench to rotate C.The utility model can be accomplished spur gear and helical gear processing owing to have said structure, the more important thing is that save parts such as import electronic gearbox, cost reduces greatly.
Also the providing of the utility model comprise have X, four gear-hobbing machines of Z, B and C axle; Wherein, X is for being parallel to major axes orientation, Z for being that hobboing cutter rotates, C is that workpiece rotates perpendicular to workbench direction, B, that is, said big column (adopting the ball-type line slideway of high accuracy, high rigidity) also is equipped with the servomotor I; Said servomotor I connects axial feed ball-screw sub-control slide plate through the axial feed worm reducer and accomplishes axial feed motion, i.e. Z axle.Respectively the hobboing cutter main shaft through having interaction relation, turntable rotate, gear shaft to and four motions of radial feed, improve the gear hobbing precision.When improving Gear Processing precision and efficient, reduce the lathe production cost, will be more suitable in automobile and boats and ships, the processing of the gear of motorcycle, agricultural machinery gear, and be easy to apply.
The utility model also provides a kind of five-shaft numerical control gear-hobbing machine, and promptly on the basis of four-shaft numerically controlled gear-hobbing machine, said knife rest is equipped with the servomotor V, said servomotor V control hobboing cutter axially scurry cutter motion Y.After tool wear, machining accuracy reduced, four-shaft numerically controlled gear-hobbing machine can be through manually scurrying cutter, and five be through the servomotor automatic flee cutter; Make the cutter balance abrasion, easy operation has improved efficient; After adding hydraulic clamp; But multicomputer management greatly reduces the cost of investment and the production cost (cost is about 1/3 of existing employing import electronic gearbox equipment, and can also reach equal accuracy and efficient) of enterprise, is more suitable for enterprise's utilization and development; And manpower and maintenance have more been economized, more convenient operation.Save gear hobbing lathe complicated mechanical driving-chain, also improved lathe transmission accuracy and production efficiency when having improved the speed of mainshaft.
Traditional mechanical transmission-type gear-hobbing machine; Its architectural feature is that each power transmission shaft adopts mechanical drive train, comprises that cylindrical straight gear Lun ﹑ Xie Chi Lun ﹑ tapering Chi Lun ﹑ rack barrel all will use gear device (to have only helical teeth will use differential attachment) ﹑ axial feed Ji Gou ﹑ depth-feed mechanism and shaft transmission etc.Because intrinsic theoretical error and foozle and the assemblage gap of driving-chain causes speed slow, precision is low, and cost is high.After servo-drive numerical control replacement; Speed-changing gear box, divided teeth gear case, feed gearbox, differential hanging gear case and differential compensation mechanism have not only been saved; Save hundred above parts, simplified the structure and keep in repair, thereby greatly reduced cost; Also practice thrift Ren Li ﹑ material resources and electric power, improved efficient more than 3 times.And the fast development of adaptation China's actual conditions national economy.
Description of drawings
The device of the utility model can further specify through the non-limiting embodiment that accompanying drawing provides.
Fig. 1 is the fundamental diagram of the utility model;
Fig. 2 is the cutaway view of the utility model;
Fig. 3 is the main shaft sketch map of the utility model;
Fig. 4 is the workbench sketch map of the utility model;
Fig. 5 is the operation principle block diagram of the four-shaft numerically controlled gear-hobbing machine of the utility model;
Fig. 6 is the operation principle block diagram of the utility model five-shaft numerical control gear-hobbing machine.
Among the figure: 1-axial feed worm reducer, 2-mainshaft gear decelerator, 3-indexing worm, 4-radial feed shaft coupling; 5-axial feed ball screw assembly,, 6-radial feed ball screw assembly,, 7-lathe bed, the big column of 8-; The 9-workbench, 10-knife rest, 11-slide plate, the motion of X-workbench radial feed; The cutter of axially scurrying of Y-hobboing cutter moves, the Z-axial feed motion, and B-main shaft cutting movement, the C-turntable rotates.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further, only limits to following embodiment but should not be construed the above-mentioned subject area of the utility model.Under the situation that does not break away from the above-mentioned technological thought of the utility model, according to ordinary skill knowledge and customary means, make various replacements and change, all should be included in the utility model scope.
Referring to accompanying drawing: a kind of chain digital control gear hobbing machine among the figure comprises lathe bed 7, big column 8, post 12, workbench 9, knife rest 10 and slide plate 11.Said knife rest 10 is equipped with the servomotor II, and said servomotor II is through mainshaft gear decelerator 2 control main shaft cutting movement, i.e. B axles.Said lathe bed 7 is equipped with the servomotor III; Said servomotor III is accomplished the radial feed motion through connecting radial feed ball screw assembly, 6 control workbench; Be the X axle, the servomotor III can also be connected with radial feed ball screw assembly, 6 through radial feed shaft coupling 4 here.Said workbench 9 is equipped with servomotor IV, and said servomotor IV connects indexing worm 3 and drives the worm gear rotation, impels workbench to rotate, i.e. the C axle.Among the embodiment, disclose a kind of four gear-hobbing machines, said big column also is equipped with the servomotor I, and said servomotor I connects axial feed ball screw assembly, 5 control slide plates 11 through axial feed worm reducer 1 and accomplishes axial feed motion, i.e. Z axle.
The four-shaft numerically controlled gear-hobbing machine operation principle of the utility model is referring to Fig. 5, main motion B axle with divide tooth motion C axle, the interlock of two rotating shafts is that the C axle is followed the tracks of the B axle, realizes the not random tooth of the omnipotent calibration of generate rolling cut, comprises rolling cut prime number gear.The interlock of workpiece rotation C axle and axial feed Z axle; Be that Z axle rectilinear motion tracking C axle rotatablely moves; Realize the axial feeding of workpiece revolution; When sliding carriage moved axially a helical teeth lead of screw, workpiece C axle is followed the tracks of Z axle compensation one changeed (adding deduct), i.e. the interlock of linear axis and rotating shaft realizes Helical Gear Hobbing.When tool axis moved a facewidth to the Z axle, workbench radially X axle was followed the tracks of the interlock of Z axle and is moved a cydariform amount, and the interlock of two linear axis realizes the purpose (it to be that B axle, C axle, Z axle, X axle tetrad move that this moment is real) of rolling cut crown-shaved gear and conelet degree gear.Workpiece revolves when going around, amount of feeding of the automatic radial feed of workbench, and promptly the C axle rotatablely moves and the straight-line interlock realization of X axle rolling cut worm gear.
An embodiment of the utility model also provides a kind of five-shaft numerical control gear-hobbing machine.Its operation principle is referring to Fig. 6, and promptly said knife rest (10) is equipped with the servomotor V, and the cutter of axially scurrying of said servomotor V control hobboing cutter moves, i.e. the Y axle.The hobboing cutter main shaft moves axially the Y s function has three kinds: 1, hobboing cutter axially scurry cutter, make the knife balance abrasion, prolonged the service life of hobboing cutter, economized manpower again; 2, be used for the diagonal angle rolling cut; When hobboing cutter Y axle move axially one apart from the time, workpiece C axle is followed the tracks of the compensation of Y axle and is turned over a tooth pitch arc length, to guarantee not random tooth; Make B axle, C axle, Z axle, the moving diagonal angle rolling cut that carries out of Y axle tetrad, with the unique function of tapering hob cutting awl end spline.3, except that radially rolling the worm gear; Also available bull worm gear hob (tapering hobboing cutter) tangential admission rolling cut worm gear; Replace tangential hobhead to scurry the cutter knife rest; When the moving tooth pitch of hobboing cutter tangential y-axis shift, workpiece C axle is followed the tracks of the compensation of Y axle and is turned over a tooth pitch arc length, this moment Y axle rectilinear motion with B axle, the C axle three rolling cut bull worm gears that link that rotatablely move.When wherein containing one commentaries on classics of hobboing cutter B axle, workpiece C axle is followed the tracks of the B axle and is turned over the K/Z commentaries on classics.(K-hobboing cutter head is counted Z-worm gear number of teeth).
Further, referring to Fig. 3, for guaranteeing the enough cutting moment of hobboing cutter main shaft drives, as power source, said mainshaft gear decelerator 2 adopts two-stage helical gear deceleration transmission, said main shaft cutting movement, i.e. B axle with servomotor.Rotating speed is 200～500rpm.
As optimal way, it is lower that the embodiment of the utility model has solved rotating speed of table, the right bigger technical problem of bringing of operation torque.Referring to Fig. 4, said indexing worm 3 is 20～40 with the gearratio of worm gear, and said turntable rotates, i.e. C axle, rotating speed be 0～30rpm.
Further, said servomotor makes that through ball screw radial feed speed is 0～0.3m/min.The four-shaft numerically controlled gear-hobbing machine of the utility model is accomplished the processing of spur gear or helical gear through the interlock of four servomotor control X, Z, B, C axle.The four-shaft numerically controlled gear-hobbing machine of the utility model is through the interlock of five servomotors control X, Z, B, C, and hobboing cutter scurry cutter, i.e. Y axle; Accomplish spur gear, helical gear (shaft gear, dish gear), worm gear, conelet degree gear; Rack barrel, spline, the processing of sprocket wheel.
The utility model embodiment provided that four or the technique effect of five-shaft numerical control gear-hobbing machine are mathematical, four or five hobbing machine structures are simple, precision and efficient are all higher.Be more preferably, this gear-hobbing machine can also be realized the teeth directional tip relief, accomplishes the processing of barreled tooth flank, is suitable for the batch machining of automobile, boats and ships, motorcycle, agricultural machinery gear, compares with the existing gear-hobbing machine in market, saves the Gear Processing cost greatly.
Claims (8)
1. chain digital control gear hobbing machine; Comprise lathe bed (7), big column (8), post (12), workbench (9), knife rest (10) and slide plate (11); It is characterized in that: said knife rest (10) is equipped with the servomotor II, and said servomotor II is through mainshaft gear decelerator (2) control main shaft cutting movement (B); Said lathe bed (7) is equipped with the servomotor III, and said servomotor III is accomplished radial feed motion (X) through connecting radial feed ball screw assembly, (6) control workbench; Said workbench (9) is equipped with servomotor IV, and said servomotor IV connects indexing worm (3) and drives the worm gear rotation, impels workbench to rotate (C).
2. a kind of chain digital control gear hobbing machine according to claim 1; It is characterized in that: said big column also is equipped with the servomotor I, and said servomotor I connects axial feed ball screw assembly, (5) control slide plate (11) through axial feed worm reducer (1) and accomplishes axial feed motion (Z).
3. a kind of chain digital control gear hobbing machine according to claim 1 and 2 is characterized in that: said knife rest (10) is equipped with the servomotor V, said servomotor V control hobboing cutter axially scurry cutter motion (Y).
4. a kind of chain digital control gear hobbing machine according to claim 1 is characterized in that: said mainshaft gear decelerator (2) adopts two-stage helical gear deceleration transmission, and the rotating speed of said main shaft cutting movement (B) is 200～500rpm.
5. a kind of chain digital control gear hobbing machine according to claim 1 and 2 is characterized in that: said indexing worm (3) is 20～40 with the gearratio of worm gear, and the rotating speed that the turntable on the said workbench rotates (C) is 0～30rpm.
6. a kind of chain digital control gear hobbing machine according to claim 1 and 2 is characterized in that: said servomotor makes that through ball screw radial feed speed is 0～0.3m/min.
7. a kind of chain digital control gear hobbing machine according to claim 2; It is characterized in that: through four servomotor control workbench radial feed motions (X); Axial feed motion (Z), main shaft cutting movement (B) and turntable rotate (C) interlock, accomplish the processing of spur gear or helical gear.
8. a kind of chain digital control gear hobbing machine according to claim 3; It is characterized in that: through five servomotor control workbench radial feed motions (X); Axial feed motion (Z); Main shaft cutting movement (B) and turntable rotate (C) interlock, and hobboing cutter scurry cutter (Y), accomplish the processing of spur gear or helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208593 CN202591752U (en) | 2012-05-10 | 2012-05-10 | Numerical control hobbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208593 CN202591752U (en) | 2012-05-10 | 2012-05-10 | Numerical control hobbing machine |
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| CN202591752U true CN202591752U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220208593 Expired - Fee Related CN202591752U (en) | 2012-05-10 | 2012-05-10 | Numerical control hobbing machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223531A (en) * | 2013-05-03 | 2013-07-31 | 重庆宏钢数控机床有限公司 | Numerically-controlled gear hobbing machine and method for processing gear |
| CN108562425A (en) * | 2018-02-05 | 2018-09-21 | 重庆机床(集团)有限责任公司 | Gear hobbing machine knife frame test platform and its test method |
| CN110170707A (en) * | 2019-06-17 | 2019-08-27 | 中山迈雷特智能装备有限公司 | A kind of gear-hobbing machine |
| CN111702266A (en) * | 2020-07-16 | 2020-09-25 | 重庆机床(集团)有限责任公司 | Mechanical gear hobbing machine structure |
| CN114714105A (en) * | 2022-06-02 | 2022-07-08 | 江苏南江减速机有限公司 | Radial arc groove processing equipment for production of worm gear of speed reducer |
-
2012
- 2012-05-10 CN CN 201220208593 patent/CN202591752U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223531A (en) * | 2013-05-03 | 2013-07-31 | 重庆宏钢数控机床有限公司 | Numerically-controlled gear hobbing machine and method for processing gear |
| CN108562425A (en) * | 2018-02-05 | 2018-09-21 | 重庆机床(集团)有限责任公司 | Gear hobbing machine knife frame test platform and its test method |
| CN110170707A (en) * | 2019-06-17 | 2019-08-27 | 中山迈雷特智能装备有限公司 | A kind of gear-hobbing machine |
| CN111702266A (en) * | 2020-07-16 | 2020-09-25 | 重庆机床(集团)有限责任公司 | Mechanical gear hobbing machine structure |
| CN114714105A (en) * | 2022-06-02 | 2022-07-08 | 江苏南江减速机有限公司 | Radial arc groove processing equipment for production of worm gear of speed reducer |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20180510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |