CN103203647B - A kind of translation processing unit (plant) of arc tooth cylindrical gear - Google Patents
A kind of translation processing unit (plant) of arc tooth cylindrical gear Download PDFInfo
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- CN103203647B CN103203647B CN201310110784.9A CN201310110784A CN103203647B CN 103203647 B CN103203647 B CN 103203647B CN 201310110784 A CN201310110784 A CN 201310110784A CN 103203647 B CN103203647 B CN 103203647B
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- gear
- planet carrier
- planetary gear
- idle pulley
- sun gear
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Abstract
The invention discloses a kind of processing unit (plant) of the arc tooth cylindrical gear belonged in gear technique field, this processing unit (plant) for gear there is arc tooth line, involute or circular arc profile, equal circumferential transverse tooth thickness; Multiple blades of this device are evenly distributed on around epicyclic train, and during machining gears, plane motion done by blade, and Gear axis is crossing with the sun gear rotation antarafacial of planet circular system, with generating machining gears.Can be realized the transverse tooth thickness arc tooth cylindrical gear processing such as circumference by the present invention, can improve gear manufacture precision and efficiency, the gear pair stable drive processed, bearing capacity are large, are applicable to being applied in the gear drive of high speed, heavy duty.
Description
Technical field
The present invention relates to a kind of planet circular system translation processing unit (plant) of arc tooth cylindrical gear, belong to gear technique field.
Background technology
Arc tooth cylindrical gear transmission has engagement steadily, the features such as bearing capacity is strong, various kinds of document is had to study its processing method at present, but all come with some shortcomings, arc cylindrical gear disclosed in patent document ZL90105655.3 and processing method thereof, , by the blade be fixed on rotary head, milling is carried out to roller gear during its machining gears, blade work basal plane constantly changes along with rotary head, the roller gear that the method processes, in the normal direction of arc tooth line, transverse tooth thickness is equal, namely space width is equal, and circumferential space width is unequal, namely circumferential transverse tooth thickness is unequal.When cutter radius reduces, circumferential transverse tooth thickness is unequal more serious, and cause transmission to engage not steady, bearing capacity reduces.Arc tooth cylindrical gear processing unit (plant) disclosed in patent document ZL200410041297.2 adopts parallel link structure, although it can process the arc tooth cylindrical gear of the transverse tooth thickness such as circumference, but in this device one-period, gear is for once cut, working (machining) efficiency is low, vibration is comparatively large, and rigidity is not enough, and institute's machining gears precision is low, can not the high material of workhardness, as steel tooth base.Therefore, still do not meet the processing method of the arc tooth cylindrical gear of requirement on industrial application at present, cause this type gear to be seldom employed.
Summary of the invention
An object of the present invention is to provide a kind of processing method of Machining Arc tooth trace roller gear.
Two of object of the present invention is to provide a kind of processing unit (plant) realizing this processing method.
An object of the present invention realizes principle: (1) processed Cylinder Gear base is fixing on the table, and processed Cylinder Gear base moves in a circle along own axes.
(2) blade of the processing gear teeth is fixed on knife rest, blade is made to do plane motion in the plane paralleled with Cylinder Gear base axis, center cutter phase cutter setting frame entirety is gyration, and gyration radius equals arc tooth line radius, and the working reference plane normal direction of blade remains unchanged.
(3), during machining gears, knife rest entirety vertical teeth base axis direction rectilinear motion in blade plane of rotation, workpiece or knife rest are in processing engagement place tangential admission, and the tooth base of blade and rotation realizes generating method for tooth-cutting, processes arc tooth cylindrical gear.
Two of object of the present invention realizes principle:
The key realizing the transverse tooth thickness such as arc tooth cylindrical gear circumference is that the planetary gear of fixed blade does translation, and the normal direction of blade work basal plane remains unchanged.The sun gear of device provided by the invention is identical with the planetary gear number of teeth, idle pulley between the two only changes planetary gear direction of rotation, when rotating planet carrier when fixing sun gear, planetary gear axis revolves round the sun around sun gear axis, but planetary gear is sat quietly to mark relative to planet circular system and is not rotated, therefore the motion of planetary gear is translation, thus ensures that the blade basal plane orientation be fixed thereon remains unchanged, and realizes blade and cuts transverse tooth thickness such as roller gear circumferences.
Said apparatus can evenly fix some blades along vertical teeth wheel axis direction on planetary gear, and knife rest entirety does rectilinear motion in the direction, and workpiece rotates, and is similar to the rolling movement that spur gear processed by rack cutter with knife rest at cutting point.Workpiece or knife rest can be selected in this device to do feed motion along cutting place normal direction.When workpiece rotates a circle, each blade cuts a gear with regard to can completely, and working (machining) efficiency is high.
Said apparatus can connect sun gear, idle pulley and planetary gear by connecting rod, in other parameter constant situations, regulate length of connecting rod between sun gear and planetary gear, can adapt to the arc tooth cylindrical gear processing of different tooth trace radius.Sun gear and planetary gear or idle pulley reference diameter can also be changed, and the length of corresponding two other connecting rod of change, to adapt to the arc tooth cylindrical gear processing of different tooth trace radius in larger scope.Each component can make dimension series, and can realize continuous stepless adjustment to this technological parameter of tooth trace radius.
Device provided by the invention can install several rows star-wheel and idle pulley pair on planet carrier, is distributed on around sun gear, when planet carrier rotates a circle, be fixed on often group cutter on planetary gear all cutting workpiece once, working (machining) efficiency improves.Because several rows star-wheel and idle pulley are to being distributed on around sun gear, compare parallel linkage and reducing amount of unbalance, therefore planetary gear parallel moving mechanism has the advantage of little, the stability of rotation of vibration.
Processing unit (plant) provided by the invention is owing to adopting gear drive, and machining accuracy is higher.Planet carrier can be installed bearing at pivot or install bearing at planet carrier circumscribed circle place simultaneously, effectively can improve stiffness of structural member, thus improve Gear Processing precision.
Accompanying drawing explanation
Fig. 1 is hilted broadsword dish, single blade permanent tooth line radius arc tooth trace roller gear processing unit (plant) structural representation.
Fig. 2 is hilted broadsword dish, single blade becomes tooth trace radius arc tooth trace roller gear processing unit (plant) structural representation.
Fig. 3 is multi-cutter-disk, single blade becomes tooth trace radius arc tooth trace roller gear processing unit (plant) structural representation.
Fig. 4 and Fig. 5 is multi-cutter-disk, multi-blade becomes tooth trace radius arc tooth trace roller gear processing unit (plant) structural representation.
Wherein, 1 supporting base, 2 central shafts, 3 sun gears, 4 planet carriers, 5 idle pulleys, 6 planetary gears, 7 cutterheads, 8 blades, 9 tooth base workpiece, 10 joint pins, 11 regulating connecting rods, 12 connecting rods, 13 contiguous blocks, 14 nuts, 15 adjusting bolts, 16 multiplex planet carriers, 17 multiplex adjusting bolts, 18 multiplex connecting rods, 19 multiplex regulating connecting rods, 20 retaining rings.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, a kind of hilted broadsword dish, single blade permanent tooth line radius processing unit (plant) processing the transverse tooth thickness arc tooth cylindrical gears such as circumference, it is the processing unit (plant) according to transverse tooth thickness principle designs such as cutter translation processing circumferences, comprising a sun gear 3 is fixed on supporting base 1, planet carrier 4 is movably connected on supporting base 1 by central shaft 2, idle pulley 5 and planetary gear 6 engage each other, and be movably connected on planet carrier 4 by a joint pin 10 respectively, idle pulley 5 and sun gear 3 engage simultaneously, fixation cutter head 7 on planetary gear 6, fixed blade 8 on cutterhead 7.Because sun gear 3 is identical with the number of teeth with the modulus of planetary gear 6, when planet carrier 4 rotates around central shaft 2, the working reference plane normal direction of blade 8 remains unchanged; When tooth base workpiece 9 rotates, select whole epicyclic train or tooth base workpiece to do linear uniform motion, just can realize generate working motion, after often processing a tooth, need to enclose calibration to gear 1/Z, then process next tooth, until cut out whole arc tooth cylindrical gear.Can process dissimilar arc tooth line gear by the distance adjustment between the blade centre of gyration and roller gear intermediate cross-section, this device is the processing of permanent tooth line radius roller gear, and change tooth trace radius needs change planet circular system accessory size.
Embodiment 2
Be illustrated in figure 2 hilted broadsword dish, single blade becomes the transverse tooth thickness arc tooth cylindrical gear processing unit (plant)s such as tooth trace radius circumference, comprise a sun gear 3 be fixed on supporting base 1, idle pulley 5 is flexibly connected with regulating connecting rod 11 and connecting rod 12 by joint pin 10, regulating connecting rod 11 is flexibly connected both idle pulley 5 and sun gear 3 center, connecting rod 12 is flexibly connected both idle pulley 5 and planetary gear 6 center, idle pulley 5 engages with sun gear 3 and planetary gear 6 respectively, multiplex planet carrier 16 is movably connected on supporting base 1 by central shaft 2, planetary gear is arranged in the middle of the chute of multiplex planet carrier 16 by another joint pin 10, contiguous block 13 is movably connected on connecting rod 12 by joint pin, adjusting bolt 15 one end is movably connected on supporting base 1 by central shaft 2, the other end of adjusting bolt 15 is through the through hole on contiguous block 13, fastening with nut 14.Adjusting nut 14, can change planetary gear 6 position in the chute of multiplex planet carrier 16, meets the processing of different tooth trace radius arc tooth trace roller gear.
Embodiment 3
Be illustrated in figure 3 multi-cutter-disk, single blade change tooth trace radius arc tooth trace roller gear processing unit (plant), the basis of embodiment 2 changes adjusting bolt 15 for multiplex adjusting bolt 17, changing regulating connecting rod 11 is multiplex connecting rod 18, add the gear mesh of multiple idle pulley 5 and planetary gear 6 composition, be evenly distributed on around sun gear 3, this device can reduce the amount of unbalance of planet gear transmission system, is conducive to improving rigidity and improving machining accuracy; Meanwhile, a cutterhead 7 can be fixed in each planetary gear 6 center, and therefore multiplex planet carrier circles for 16 times, repeatedly can process tooth base workpiece 9, improve working (machining) efficiency.
Embodiment 4
Be multi-cutter-disk as shown in Figure 4 and Figure 5, multi-blade becomes the transverse tooth thickness arc tooth cylindrical gear processing unit (plant)s such as tooth trace radius circumference, comprise a multiplex planet carrier 16, multiplex connecting rod 18 and multiplex regulating connecting rod 19, all be movably connected on supporting base 1 by central shaft 2, a sun gear 3 is fixed on supporting base, multiple gear mesh be made up of planetary gear 6 and idle pulley 5 is evenly distributed on around sun gear, idle pulley 5 engages with sun gear 3 and planetary gear 6 respectively, all idle pulleys 5 are all flexibly connected with multiplex connecting rod 18 by joint pin, planetary gear 6 is arranged in the chute of multiplex planet carrier 16 by joint pin 10, and be flexibly connected with the center joint pin 10 of idle pulley 5 and multiplex regulating connecting rod 19 respectively by regulating connecting rod 11 and connecting rod 12, retaining ring 20 fixes multiplex connecting rod 18 and multiplex regulating connecting rod 19 relative position, multiplex planet carrier 16 another side installs cutterhead 7, cutterhead 7 is fixed on the center of planetary gear 6 by joint pin 10, multiple blade 8 is fixed on cutterhead 7.Allow multiplex planet carrier 16 and tooth base workpiece rotate, allow whole planetary system relative tooth base workpiece 9 do linear uniform motion, ensure certain speed ratio, just can press generating Machining Arc tooth trace roller gear.When changing the angle between multiplex connecting rod 18 and multiplex regulating connecting rod 19, the distance of cutterhead 7 center to sun gear 3 center can be changed, correspondingly regulating tooth base workpiece 9 position, just can process the circular-arc gear of different tooth trace radius.Single blade 8 machining gears needs calibration to process, when multiple blade 8 is pressed
(n=1,2,3 M is module) spaced linear arrangement be arranged on cutterhead 7, during cutting pinion, a teeth groove processed by each blade 8, and multiple blade 8 just can Continuous maching arc tooth cylindrical gear, similar arc tooth line rack cutter cutting pinion.
Claims (4)
1. the processing unit (plant) of an arc tooth cylindrical gear, it is characterized in that: be made up of sun gear, idle pulley, planetary gear and planet carrier, sun gear is fixed on the pivot place of planet carrier relative to frame, idle pulley and planetary gear are movably connected on planet carrier respectively by bearing, two gears engage each other composition gear mesh, wherein idle pulley is arranged between sun gear and planetary gear, and idle pulley engages with sun gear, but planetary gear does not engage with sun gear; When planet carrier rotates, be bearing in planetary gear on planet carrier and idle pulley both around sun gear central rotation, rotate around respective gear centre again; Planetary gear is equal with sun gear reference diameter, and three modules are identical; Planet carrier can adopt fixed carrier or adjustable planet carrier, wherein fixed carrier is made up of a component, idle pulley, planetary gear and sun gear between any two centre-to-centre spacing can not regulate, and adjustable planet carrier by being interconnected idle pulley, three connecting rods at planetary gear and sun gear center form, planetary gear and the position of idle pulley geometric center on adjustable planet carrier are determined by the length of connecting rod; One or more gear mesh is distributed in around sun gear, when there being multiple gear mesh, can being distributed on around sun gear and using, fixation cutter head and blade on each planetary gear.
2. arc tooth cylindrical gear processing unit (plant) according to claim 1, is characterized in that three length of connecting rods of adjustable planet carrier are constant or have at least a length of connecting rod to regulate continuously, and can self-locking.
3. arc tooth cylindrical gear processing unit (plant) according to claim 1 and 2, is characterized in that sun gear, idle pulley, planetary gear, planet carrier and connecting rod to be made dimension series, realizes the arc tooth cylindrical gear machining of different tooth trace radius.
4. arc tooth cylindrical gear processing unit (plant) according to claim 1, is characterized in that planetary gear can fix at least one blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310110784.9A CN103203647B (en) | 2013-04-02 | 2013-04-02 | A kind of translation processing unit (plant) of arc tooth cylindrical gear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310110784.9A CN103203647B (en) | 2013-04-02 | 2013-04-02 | A kind of translation processing unit (plant) of arc tooth cylindrical gear |
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| CN103203647A CN103203647A (en) | 2013-07-17 |
| CN103203647B true CN103203647B (en) | 2016-04-13 |
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| CN201310110784.9A Expired - Fee Related CN103203647B (en) | 2013-04-02 | 2013-04-02 | A kind of translation processing unit (plant) of arc tooth cylindrical gear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250797A (en) * | 2020-03-29 | 2020-06-09 | 兰州理工大学 | Translation mechanism and gear machining device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533918B (en) * | 2018-11-12 | 2021-03-02 | 长春汇凯科技有限公司 | Rotary translation equipment |
| CN111250798B (en) * | 2020-03-29 | 2021-09-07 | 兰州理工大学 | Translational mechanism capable of synchronously and steplessly adjusting gyration radius and gear machining device |
| CN111266668B (en) * | 2020-04-01 | 2021-07-02 | 兰州理工大学 | Translational mechanism capable of stepless adjusting gyration radius and gear machining device |
| CN111745753A (en) * | 2020-07-10 | 2020-10-09 | 广州妙志家居有限公司 | Plank recess processingequipment based on planetary gear drive principle |
| CN115007954B (en) * | 2022-06-07 | 2023-11-07 | 安徽中博机械制造有限公司 | Automobile engine gear machining equipment with vibration reduction function |
| CN115889899B (en) * | 2023-03-08 | 2023-05-12 | 四川大学 | Processing machine tool and processing method for circular-arc toothed-line cylindrical internal gear |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409966A (en) * | 1932-12-12 | 1934-05-10 | William Edwin Sykes | Improvements in gear generating machines |
| GB565443A (en) * | 1943-07-30 | 1944-11-10 | James John Guest | Improvements in toothed gearing and in the manufacture thereof |
| US4106361A (en) * | 1976-10-26 | 1978-08-15 | Wyle Laboratories | Gear pump, gear and method |
| CN1047137A (en) * | 1990-04-13 | 1990-11-21 | 王国础 | Arc cylindrical gear and processing method |
| CN1584371A (en) * | 2004-06-15 | 2005-02-23 | 宋爱平 | Curved teeth cylindrical gear, machining method and apparatus thereof |
| CN101890540B (en) * | 2010-07-16 | 2012-07-04 | 扬州大学 | Method for processing curve-tooth cylindrical gear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8613142B2 (en) * | 2010-07-30 | 2013-12-24 | Hamilton Sundstrand Corporation | Methods for cluster gear timing and manufacturing |
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2013
- 2013-04-02 CN CN201310110784.9A patent/CN103203647B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409966A (en) * | 1932-12-12 | 1934-05-10 | William Edwin Sykes | Improvements in gear generating machines |
| GB565443A (en) * | 1943-07-30 | 1944-11-10 | James John Guest | Improvements in toothed gearing and in the manufacture thereof |
| US4106361A (en) * | 1976-10-26 | 1978-08-15 | Wyle Laboratories | Gear pump, gear and method |
| CN1047137A (en) * | 1990-04-13 | 1990-11-21 | 王国础 | Arc cylindrical gear and processing method |
| CN1584371A (en) * | 2004-06-15 | 2005-02-23 | 宋爱平 | Curved teeth cylindrical gear, machining method and apparatus thereof |
| CN101890540B (en) * | 2010-07-16 | 2012-07-04 | 扬州大学 | Method for processing curve-tooth cylindrical gear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250797A (en) * | 2020-03-29 | 2020-06-09 | 兰州理工大学 | Translation mechanism and gear machining device |
| CN111250797B (en) * | 2020-03-29 | 2021-09-07 | 兰州理工大学 | Translation mechanism and gear machining device |
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| CN103203647A (en) | 2013-07-17 |
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