CN103203647A - Translation processing device for arc tooth trace cylindrical gear - Google Patents
Translation processing device for arc tooth trace cylindrical gear Download PDFInfo
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- CN103203647A CN103203647A CN2013101107849A CN201310110784A CN103203647A CN 103203647 A CN103203647 A CN 103203647A CN 2013101107849 A CN2013101107849 A CN 2013101107849A CN 201310110784 A CN201310110784 A CN 201310110784A CN 103203647 A CN103203647 A CN 103203647A
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Abstract
The invention discloses a processing device for an arc tooth trace cylindrical gear in the technical field of gears. The gear which the processing device is used for is provided with an arc tooth trace, an involute or an arc tooth profile and has equal circumferential tooth thickness. A plurality of blades of the processing device are evenly distributed around a planetary gear train. When the gear is processed, the blades perform plane motion, the gear axis and sun gear rotation axis of the planetary gear train are intersected in different planes, and the gear is processed in a generating method. The arc tooth trace cylindrical gear with the equal circumferential tooth thickness can be processed through the processing device, gear manufacturing precision and efficiency can be improved, and a processed gear pair has stability in transmission and is large in bearing capability and suitable for application to a high-speed heavy-duty gear transmission device.
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 the gear technique field.
Background technology
The arc tooth cylindrical gear transmission has engagement steadily, characteristics such as bearing capacity is strong, there is various kinds of document to study its processing method at present, but all come with some shortcomings, as the disclosed arc cylindrical gear of patent documentation ZL90105655.3 and processing method thereof, be by the blade that is fixed on the rotary head roller gear to be carried out milling when it adds work gear, the blade work basal plane is along with rotary head constantly changes, the roller gear that this method processes, transverse tooth thickness equates on the normal direction of arc tooth line, be that space width equates, and circumferentially space width is unequal, and just circumferentially transverse tooth thickness is unequal.When cutter radius reduced, circumferentially transverse tooth thickness was unequal more serious, caused the transmission engagement not steady, and bearing capacity reduces.The disclosed arc tooth cylindrical gear processing unit (plant) of patent documentation ZL200410041297.2 adopts parallel rod formula structure, though the arc tooth cylindrical gear of transverse tooth thickness such as it can process circumferentially, but in this device one-period gear is for once cut, working (machining) efficiency is low, vibrate bigger, the rigidity deficiency, the accuracy of gear of processing low, can not the high material of workhardness, as steel tooth base.Therefore, still do not satisfy the processing method of the arc tooth cylindrical gear of requirement on industrial application at present, cause this type gear seldom to be employed.
Summary of the invention
One of purpose of the present invention provides a kind of processing method of processing arc tooth cylindrical gear.
Two of purpose of the present invention provides a kind of processing unit (plant) of realizing this processing method.
One of purpose of the present invention realizes principle: (1) processed cylinder tooth base is fixed on the workbench, and processed cylinder tooth base moves in a circle along self axis.
(2) blade that will process the gear teeth is fixed on the knife rest, make blade with plane that cylinder tooth base axis parallels in do plane motion, the relative knife rest of center cutter is whole to be gyration, and the gyration radius equals the arc tooth line radius, and the working reference plane normal direction of blade remains unchanged.
When (3) adding work gear, knife rest integral body is vertical teeth base axis direction rectilinear motion in the blade plane of rotation, and workpiece or knife rest are in processing engagement place tangential admission, and the tooth base of blade and rotation is realized generating method for tooth-cutting, processes arc tooth cylindrical gear.
Two of purpose of the present invention realizes principle:
The key that realizes transverse tooth thickness such as arc tooth cylindrical gear is circumferential 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 the planetary gear direction of rotation, when fixing sun gear and when rotating planet carrier, the planetary gear axis is around the revolution of sun gear axis, but planetary gear is sat quietly to mark with respect to planet circular system and is not rotated, therefore the motion of planetary gear is translation, thereby guarantees that the blade basal plane orientation that is fixed thereon remains unchanged, and realizes that blade is to transverse tooth thickness cuttings such as roller gear are circumferential.
Said apparatus can be at the evenly fixing some blades of planetary gear upper edge vertical teeth wheel axis direction, and knife rest integral body is done rectilinear motion in the direction, and workpiece rotates, and do the rolling movement that is similar to rack cutter processing spur gear at cutting point with knife rest.Can select workpiece or knife rest to do feed motion along cutting place normal direction in this device.When workpiece rotates a circle, gear of cutting that each blade just can be complete, working (machining) efficiency height.
Said apparatus can connect sun gear, idle pulley and planetary gear by connecting rod, is regulating length of connecting rod between sun gear and the planetary gear under other parameter constant situations, can adapt to the arc tooth cylindrical gear processing of different tooth trace radiuses.Can also change sun gear and planetary gear or idle pulley reference diameter, and the length of corresponding two other connecting rod of change, to adapt to the arc tooth cylindrical gear processing of different tooth trace radiuses in larger scope.Each member can be made dimension series, and can realize the continuous stepless adjusting to this technological parameter of tooth trace radius.
Device provided by the invention can planet carrier the several rows star-wheel is installed and idle pulley right, be distributed on around the sun gear, when planet carrier rotates a circle, be fixed on the planetary gear every group of cutter all cutting workpiece once, working (machining) efficiency improves.Because several rows star-wheel and idle pulley compare parallel linkage and reduced amount of unbalance, so the planetary gear parallel moving mechanism has, and vibration are little, the advantage of stability of rotation being distributed on around the sun gear.
Processing unit (plant) provided by the invention is owing to adopt gear drive, and machining accuracy is higher.Planet carrier can be installed bearing or at planet carrier circumscribed circle place bearing is installed at pivot simultaneously, can effectively improve stiffness of structural member, thereby improve the Gear Processing precision.
Description of drawings
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 that hilted broadsword dish, single blade become tooth trace radius arc tooth trace roller gear processing unit (plant) structural representation.
Fig. 3 is that multitool dish, single blade become tooth trace radius arc tooth trace roller gear processing unit (plant) structural representation.
Fig. 4 and Fig. 5 are that multitool dish, multitool sheet become 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 regulate connecting rod, 12 connecting rods, 13 contiguous blocks, 14 nuts, 15 regulate bolt, use planet carrier 16 more, use 17 more and regulate bolt, use connecting rod more 18, use 19 more and regulate connecting rod, 20 retaining rings.
The specific embodiment
Embodiment 1
As shown in Figure 1, a kind of hilted broadsword dish, single blade permanent tooth line radius processing unit (plant) of the transverse tooth thickness arc tooth cylindrical gear such as processing circumferentially, it is the processing unit (plant) according to transverse tooth thickness principle designs such as cutter translation processing are circumferential, comprise that a sun gear 3 is fixed on the supporting base 1, planet carrier 4 is movably connected on the supporting base 1 by central shaft 2, idle pulley 5 and planetary gear 6 are meshing with each other, and be movably connected on the planet carrier 4 by a joint pin 10 respectively, idle pulley 5 and sun gear 3 engagements simultaneously, fixation cutter head 7 on planetary gear 6, and fixed blade 8 on cutterhead 7.Because the modulus of sun gear 3 and planetary gear 6 is identical with the number of teeth, when planet carrier 4 rotated around central shaft 2, the working reference plane normal direction of blade 8 remained unchanged; When tooth base workpiece 9 rotates, select whole epicyclic train or tooth base workpiece to do linear uniform motion, just can realize the generate working motion, whenever after processing a tooth, need process next tooth then, up to cutting out whole arc tooth cylindrical gear to gear 1/Z circle calibration.Can process dissimilar arc tooth line gears by the distance adjustment between the blade centre of gyration and the roller gear intermediate cross-section, this device will change the tooth trace radius and need change the planet circular system accessory size for the processing of permanent tooth line radius roller gear.
Be illustrated in figure 2 as the hilted broadsword dish, transverse tooth thickness arc tooth cylindrical gear processing unit (plant)s such as single blade change tooth trace radius is circumferential, comprise a sun gear 3 that is fixed on the supporting base 1, idle pulley 5 flexibly connects by joint pin 10 and adjusting connecting rod 11 and connecting rod 12, regulate connecting rod 11 and flexibly connect idle pulley 5 and sun gear 3 both centers, connecting rod 12 flexibly connects idle pulley 5 and planetary gear 6 both centers, idle pulley 5 meshes with sun gear 3 and planetary gear 6 respectively, how to be movably connected on the supporting base 1 by central shaft 2 with planet carrier 16, planetary gear is installed in many with in the middle of the chute of planet carrier 16 by another joint pin 10, contiguous block 13 is movably connected on the connecting rod 12 by joint pin, regulating bolt 15 1 ends is movably connected on the supporting base 1 by central shaft 2, the other end of adjusting bolt 15 passes the through hole on the contiguous block 13, and is fastening with nut 14.Adjusting nut 14 can change planetary gear 6 and use position in the chute of planet carrier 16 more, satisfies the processing of different tooth trace radius arc tooth trace roller gears.
Embodiment 3
Be illustrated in figure 3 as multitool dish, single blade change tooth trace radius arc tooth trace roller gear processing unit (plant), changing adjusting bolt 15 on the basis of embodiment 2 is many with regulating bolts 17, it is many with connecting rods 18 changing adjusting connecting rod 11, increased the gear mesh that a plurality of idle pulleys 5 and planetary gear 6 are formed, be evenly distributed on around the sun gear 3, this device can reduce the amount of unbalance of planet gear transmission system, is conducive to improve rigidity and improves machining accuracy; Simultaneously, a cutterhead 7 can be fixed in each planetary gear 6 center, therefore how to circle for 16 times with planet carrier, can repeatedly process tooth base workpiece 9, has improved working (machining) efficiency.
Embodiment 4
Be the multitool dish as shown in Figure 4 and Figure 5, transverse tooth thickness arc tooth cylindrical gear processing unit (plant)s such as multitool sheet change tooth trace radius is circumferential, comprise more than one with planet carrier 16, many with connecting rod 18 and many with regulating connecting rod 19, all be movably connected on the supporting base 1 by central shaft 2, a sun gear 3 is fixed on the supporting base, a plurality of gear mesh of being made up of planetary gear 6 and idle pulley 5 are evenly distributed on around the sun gear, idle pulley 5 meshes with sun gear 3 and planetary gear 6 respectively, all idle pulleys 5 all flexibly connect with connecting rod 18 with many by joint pin, planetary gear 6 is installed in many with in the chute of planet carrier 16 by joint pin 10, and by regulating connecting rod 11 and connecting rod 12 respectively with the center joint pin 10 of idle pulley 5 with manyly flexibly connect with regulating connecting rods 19, retaining ring 20 is fixing many with connecting rod 18 and many with regulating connecting rod 19 relative positions, many with planet carrier 16 another sides installation cutterhead 7, cutterhead 7 is fixed on the center of planetary gear 6 by joint pin 10, and a plurality of blades 8 are fixed on the cutterhead 7.Allow how to rotate with planet carrier 16 and tooth base workpiece, allow the relative tooth base of whole planetary system workpiece 9 do linear uniform motion, guarantee certain speed ratio, just can press generating processing arc tooth cylindrical gear.Manyly can change cutterhead 7 centers to the distance at sun gear 3 centers with connecting rod 18 and many during with the angle regulated between the connecting rod 19 when changing, regulating tooth base workpiece 9 positions correspondingly just can process the circular-arc gear of different tooth trace radiuses.Single blade 8 adds work gear and needs calibration processing, when a plurality of blades 8 are pressed
(n=1,2,3 M is module) arranged in a straight line being installed on the cutterhead 7 in interval, during cutting pinion, teeth groove of each blade 8 processing, a plurality of blades 8 just can be processed arc tooth cylindrical gear continuously, similar arc tooth line rack cutter cutting pinion.
Claims (6)
1. the processing unit (plant) of an arc tooth cylindrical gear, it is characterized in that: formed by planet circular system and idle pulley, idle pulley meshes with sun gear and planetary gear respectively, and and planetary gear form gear mesh, be movably connected on the planet carrier by bearing, one or more gear mesh is distributed in around the sun gear, when a plurality of gear mesh, use fixation cutter head and blade on each planetary gear around can being distributed on sun gear.
2. according to the described arc tooth cylindrical gear processing unit (plant) of claim 1, it is characterized in that having three connecting rods to interconnect the center of idle pulley, planetary gear and sun gear.
3. arc tooth cylindrical gear processing unit (plant) according to claim 1 and 2 is characterized in that three length of connecting rods are constant or have at least a length of connecting rod to regulate continuously, and can self-locking.
4. arc tooth line cylinder processing unit (plant) according to claim 1 and 2 is characterized in that planetary gear and sun gear reference diameter equate that three modules are identical.
5. according to claim 1 or 4 described arc tooth cylindrical gear processing unit (plant)s, it is characterized in that and to make dimension series to sun gear, idle pulley, planetary gear, planet carrier and connecting rod, realize the arc tooth cylindrical gear machining of different tooth trace radiuses.
6. arc tooth cylindrical gear processing unit (plant) according to claim 1 is characterized in that can fixing at least one blade on the planetary gear.
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 true CN103203647A (en) | 2013-07-17 |
| CN103203647B CN103203647B (en) | 2016-04-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533918A (en) * | 2018-11-12 | 2019-03-29 | 中机试验装备股份有限公司 | A kind of rotation translation device |
| CN111250798A (en) * | 2020-03-29 | 2020-06-09 | 兰州理工大学 | Translational mechanism capable of synchronously and steplessly adjusting gyration radius and gear machining device |
| CN111250797A (en) * | 2020-03-29 | 2020-06-09 | 兰州理工大学 | Translation mechanism and gear machining device |
| CN111266668A (en) * | 2020-04-01 | 2020-06-12 | 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 |
| CN115007954A (en) * | 2022-06-07 | 2022-09-06 | 安徽中博机械制造有限公司 | Automobile engine gear machining equipment with damping function |
| CN115889899A (en) * | 2023-03-08 | 2023-04-04 | 四川大学 | Machining machine tool and machining method for circular-arc tooth trace cylindrical internal gear |
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| 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 |
| US20120023747A1 (en) * | 2010-07-30 | 2012-02-02 | Hamilton Sundstrand Corporation | Methods for cluster gear timing and manufacturing |
| CN101890540B (en) * | 2010-07-16 | 2012-07-04 | 扬州大学 | Method for processing curve-tooth cylindrical gear |
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2013
- 2013-04-02 CN CN201310110784.9A patent/CN103203647B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
| US20120023747A1 (en) * | 2010-07-30 | 2012-02-02 | Hamilton Sundstrand Corporation | Methods for cluster gear timing and manufacturing |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533918A (en) * | 2018-11-12 | 2019-03-29 | 中机试验装备股份有限公司 | A kind of rotation translation device |
| CN109533918B (en) * | 2018-11-12 | 2021-03-02 | 长春汇凯科技有限公司 | Rotary translation equipment |
| CN111250798A (en) * | 2020-03-29 | 2020-06-09 | 兰州理工大学 | Translational mechanism capable of synchronously and steplessly adjusting gyration radius and gear machining device |
| CN111250797A (en) * | 2020-03-29 | 2020-06-09 | 兰州理工大学 | Translation mechanism and gear machining device |
| 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 |
| CN111250797B (en) * | 2020-03-29 | 2021-09-07 | 兰州理工大学 | Translation mechanism 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 |
| CN111266668A (en) * | 2020-04-01 | 2020-06-12 | 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 |
| CN115007954A (en) * | 2022-06-07 | 2022-09-06 | 安徽中博机械制造有限公司 | Automobile engine gear machining equipment with damping function |
| 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 |
| CN115889899A (en) * | 2023-03-08 | 2023-04-04 | 四川大学 | Machining machine tool and machining method for circular-arc tooth trace cylindrical internal gear |
| 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 |
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| CN103203647B (en) | 2016-04-13 |
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