CN106825775B - Few teeth difference precise planetary reducer interior bracing technique - Google Patents

Few teeth difference precise planetary reducer interior bracing technique Download PDF

Info

Publication number
CN106825775B
CN106825775B CN201710039674.6A CN201710039674A CN106825775B CN 106825775 B CN106825775 B CN 106825775B CN 201710039674 A CN201710039674 A CN 201710039674A CN 106825775 B CN106825775 B CN 106825775B
Authority
CN
China
Prior art keywords
raceway
circular arc
slot
face
outer circle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710039674.6A
Other languages
Chinese (zh)
Other versions
CN106825775A (en
Inventor
李朝阳
黄健
陈兵奎
孔霞
周世才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing University
Jiangsu Tailong Decelerator Machinery Co Ltd
Original Assignee
Chongqing University
Jiangsu Tailong Decelerator Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing University, Jiangsu Tailong Decelerator Machinery Co Ltd filed Critical Chongqing University
Priority to CN201710039674.6A priority Critical patent/CN106825775B/en
Publication of CN106825775A publication Critical patent/CN106825775A/en
Application granted granted Critical
Publication of CN106825775B publication Critical patent/CN106825775B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F17/00Special methods or machines for making gear teeth, not covered by the preceding groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/14Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels

Abstract

The invention discloses a kind of few teeth difference precise planetary reducer interior bracing technique, which is integrated with spring bearing outer rollaway nest, and contains the prominent features that slot is Hardened gear face with circular arc.Step:A, selection and rough forging;B, it is heat-treated;C, rough turn outer circle, end face process endoporus, raceway on the basis of outer circle;D, Gear Shaping circular arc contains slot;E, raceway, circular arc contain slot and harden processing;F, inside and outside circle and end face are roughly ground, circular arc is roughly ground on the basis of raceway and contains slot;G, it is heat-treated;H, fine cylindrical, end face;I, raceway is refined, circular arc contains slot.Raceway of the present invention contains slot with circular arc to be processed with same benchmark, be ensure that machining accuracy, is reduced installation error, meet the high-precision requirement of retarder;Raceway, circular arc contain slot and carry out processing of hardening, and improve the precision stability and bearing capacity of precision speed reduction device.

Description

Few teeth difference precise planetary reducer interior bracing technique
Technical field
The invention belongs to technical fields of mechanical processing, are related to a kind of few teeth difference precise planetary reducer interior bracing work Skill.
Background technology
Few teeth difference precise planetary reducer has big high transmission accuracy, transmission ratio, compact-sized, large carrying capacity and transmission Efficient equal prominent advantage, is widely used in the industrial circles such as robot, mine, metallurgy, chemical industry, weaving, national defense industry.Make For precision speed reduction device, the precision stability of driving error and complete machine is the important indicator for weighing precision speed reduction device.Internal gear is One of such retarder key components and parts, first it the crucial Meshing Pair of precision speed reduction device is collectively formed with needle roller, cycloid gear, Secondly, it plays a supporting role to output mechanism.Realize the high transmission accuracy of retarder, the requirement on machining accuracy pole of internal gear It is high;Meanwhile being the retentivity and service life of realization retarder transmission accuracy, need internal gear to have good wearability, this Outside, Hardened gear face circular arc contains the bearing capacity that slot is conducive to improve precision speed reduction device.Application No. is 200510057463.2 pairs Disc cycloid cam planet driving device;Application No. is the enclosed type cycloid precision speed reduction device of 201420140453.x, two pieces applications Precision speed reduction device internal gear in patent is all made of raceway integration mode, and retarder spring bearing is integrated in internal gear.
The internal gear of this kind of structure is with common cycloid precision speed reduction device, RV retarders the difference is that eating outside support bearing Raceway is integrated on internal gear, and structure is compacter;Input and output end plate, using the roller bearing supports that interlock, is improved with internal gear Bearing capacity;Bearing external roller path is integrated in one with internal gear, reduces error distribution link, is conducive to improve retarder Transmission accuracy, and reduce the economic accuracy of machining of key components and parts;Arc groove is Hardened gear face, improves wearability in use, Keep the precision stability of retarder more prominent.Current general cycloid precise planetary reducer internal gear is the soft flank of tooth, and is exported Mechanism bearing support zone hardness is general relatively low, but since the economic accuracy of machining of internal gear is very high, domestic not yet to solve less The manufacturing technology problem of the mass high-efficiency high-accuracy of tooth difference precise planetary reducer internal gear, and for containing with Hardened gear face Slot and be integrated with this design feature of output mechanism spring bearing outer rollaway nest internal gear mass high-efficiency high-accuracy manufacture work Skill there is no achievement in research to report.This patent proposes a kind of lacking with the outstanding features such as bearing capacity is high, precision stability is good The processing technology of tooth difference precise planetary reducer internal gear, the technique can effectively be realized this with Hardened gear face containing slot and integrated The high-precision processing of the internal gear of the structure feature of spring bearing outer rollaway nest.
Invention content
In view of this, the purpose of the present invention is to provide a kind of few teeth difference precise planetary reducer interior bracing technique, The processing that can effectively solve that there is Hardened gear face circular arc to contain slot and the internal gear parts of integrated spring bearing outer rollaway nest feature is asked Topic, warp of the performance indicators such as the bearing capacity that can meet few teeth difference precise planetary reducer is high, precision stability is good to internal gear The requirement for machining accuracy of helping.
In order to achieve the above objectives, the present invention provides the following technical solutions:
Few teeth difference precise planetary reducer interior bracing technique, it is characterised in that:Include the following steps:
A, selection and rough forging select suitable material according to design of part feature and size;
B, heat treatment, eliminate forging residual stress;
C, rough turn outer circle and end face;On the basis of outer circle after rough turn, rough turn endoporus and raceway endoporus stay more than technique Amount ensures the concentricity of raceway and outer circle;
D, on the basis of raceway, slot gear shaping is contained to circular arc, stays process allowance;
E, the surface hardening for containing slot to raceway and circular arc is handled, and is ensured depth of hardening zone 1.1-1.4mm, is quenched table Surface hardness HRC58-62, core hardness HRC28-32;
F, raceway, outer circle and end face are roughly ground, fine grinding surplus is stayed, then using the raceway after corase grinding as base Standard, corase grinding circular arc contain slot;
G, it is heat-treated, eliminates surface stress, prevent stress concentration;
H, on the basis of raceway, grinding outer circle, both ends of the surface to size ensure size, tolerance to drawing requirement;
I, on the basis of outer circle and end face, accurate grinding processes raceway;Contained with same benchmark grinding circular arc Slot ensures raceway circularity and size, ensures the position degree of raceway and mounting groove.
Further, in step, selection is low-carbon high duty alloy Steel material, in step E, to raceway and circular arc packet The processing of tank carburizing and quenching, carburized (case) depth 1.1-1.4mm.
Further, in step, selection is high intensity mild steel material, in step E, contains slot office to raceway and circular arc Portion's high-frequency quenching processing.
Further, it in step G, is heat-treated as lonneal.
Further, the heat treatment in step B is isothermal normalizing, and isothermal normalizing hardness is H B160-190.
The beneficial effects of the present invention are:
1, the processing technology for proposing raceway integral type internal gear solves the blank without ripe mass processing technology;
2, it improves raceway and circular arc contains rooved face hardness, to put forward the bearing capacity of precision speed reduction device, and improve The precision stability of retarder;
3, circular arc is contained slot and raceway and is processed with same benchmark, ensure that machining accuracy, ensure that internal gear and Cycloidal Wheel, Concentricity of planet carrier etc. coordinates precision;
4, reduce parts number, it is cost-effective, and the amount of size of dimensional chain for assembly is reduced, to reduce complete machine Cost.
Description of the drawings
In order to keep the purpose of the present invention, technical solution and advantageous effect clearer, the present invention provides following attached drawing and carries out Explanation:
Fig. 1 is the structural schematic diagram of few teeth difference precise planetary reducer interior bracing technique of the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 be Fig. 2 along the sectional view of A-A.
Specific implementation mode
Below in conjunction with attached drawing, the preferred embodiment of the present invention is described in detail.
Embodiment 1,
1) it forges:The selection of material is low-carbon superior alloy steel, and blank is forged by the way of die forging;
2) isothermal normalizing, isothermal normalizing hardness are HB160-190;
3) rough turn:Process allowance 0.5mm is stayed in rough turn blank outer circle, flat left and right end face, ensures processing dimension;It is with outer circle Positioning datum, rough turn endoporus and raceway endoporus control the concentricity between each endoporus, the verticality with end face;
4) gear shaping:On the basis of raceway 5, slot 7, made allowance are contained using special plunge tooling internal gear circular arc 0.5mm;
5) it is heat-treated:7 carburizing and quenching of slot, carburized (case) depth 1-1.2mm, table are contained to raceway 1,5 and internal gear circular arc Surface hardness HRC58-62 carries out the Anti-seeping technology of rest part;
6) it roughly grinds:On the basis of A, corase grinding right side 6, outer circle 4 and raceway 5 ensure outer circle 4 and raceway 5 Concentricity, the verticality of end face 6 and raceway 5;It turns around, on the basis of outer circle 4, grinding outer circle 3, end face 2 and bearing Raceway 1 ensures geometric tolerance;
7) tooth is roughly ground:On the basis of raceway 5, corase grinding circular arc contains slot 6;
8) lonneal eliminates surface stress;
9) it refines:On the basis of raceway, fine grinding right side 6 and outer circle 3, morpheme require to reach requirement and taken out Inspection;With same benchmark, reference plane A, B and end face 2 are refined, ensures that size internal gear width, excircle dimension reach requirement.
10) fine grinding raceway contains slot with circular arc:On the basis of A, B, clamping grinding bearing raceway endoporus and end face ensure axis Hold raceway concentricity and size;With same benchmark, grinding circular arc contains slot.
11) it uses continuous ultrasonic cleaning machine to clean, then examines, packs, storage.
Embodiment 2,
1) it forges:The selection of material is high intensity mild steel material, and blank is forged by the way of die forging;
2) isothermal normalizing, isothermal normalizing hardness are HB160-190;
3) rough turn:Process allowance 0.5mm is stayed in rough turn blank outer circle, flat left and right end face, ensures processing dimension;It is with outer circle Positioning datum, rough turn endoporus and raceway endoporus control the concentricity between each endoporus, the verticality with end face;
4) gear shaping:On the basis of raceway 5, slot 7, made allowance 0.5mm are contained using special plunge tooling internal gear circular arc;
5) it is heat-treated:7 local high-frequency quenching treatment of slot is contained to raceway 1,5 and internal gear circular arc;
6) it roughly grinds:On the basis of A, corase grinding right side 6, outer circle 4 and raceway 5 ensure outer circle 4 and raceway 5 Concentricity, the verticality of end face 6 and raceway 5;It turns around, on the basis of outer circle 4, grinding outer circle 3, end face 2 and bearing Raceway 1 ensures geometric tolerance;
7) tooth is roughly ground:On the basis of raceway 5, corase grinding circular arc contains slot 6;
8) lonneal eliminates surface stress;
9) it refines:On the basis of raceway, fine grinding right side 6 and outer circle 3, morpheme require to reach requirement and taken out Inspection;With same benchmark, reference plane A, B and end face 2 are refined, ensures that size internal gear width, excircle dimension reach requirement.
10) fine grinding raceway contains slot with circular arc:On the basis of A, B, clamping grinding bearing raceway endoporus and end face ensure axis Hold raceway concentricity and size;With same benchmark, grinding circular arc contains slot.
11) it uses continuous ultrasonic cleaning machine to clean, then examines, packs, storage.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be Various changes are made to it in form and in details, without departing from claims of the present invention limited range.

Claims (5)

1. few teeth difference precise planetary reducer interior bracing technique, it is characterised in that:Include the following steps:
A, selection and rough forging select suitable material according to design of part feature and size;
B, heat treatment, eliminate forging residual stress;
C, rough turn outer circle and end face;On the basis of outer circle after rough turn, rough turn endoporus and raceway endoporus stay process allowance, Ensure the concentricity of raceway and outer circle;
D, on the basis of raceway, slot gear shaping is contained to circular arc, stays process allowance;
E, the surface hardening for containing slot to raceway and circular arc is handled, and ensures that depth of hardening zone 1.1-1.4mm, hardened face are hard Spend HRC58-62, core hardness HRC28-32;
F, raceway, outer circle and end face are roughly ground, stays fine grinding surplus, then on the basis of the raceway after corase grinding, slightly Rounding arc contains slot;
G, it is heat-treated, eliminates surface stress, prevent stress concentration;
H, on the basis of raceway, grinding outer circle, both ends of the surface to size ensure size, tolerance to drawing requirement;
I, on the basis of outer circle and end face, accurate grinding processes raceway;Contain slot with same benchmark grinding circular arc, protects Raceway circularity and size are demonstrate,proved, ensures the position degree of raceway and mounting groove.
2. few teeth difference precise planetary reducer interior bracing technique according to claim 1, it is characterised in that:In step In A, selection is low-carbon high duty alloy Steel material, in step E, contains the processing of slot carburizing and quenching, carburizing to raceway and circular arc Layer depth is 1.1-1.4mm.
3. few teeth difference precise planetary reducer interior bracing technique according to claim 1, it is characterised in that:In step In A, selection is high intensity mild steel material, in step E, contains slot local high-frequency quenching treatment to raceway and circular arc.
4. few teeth difference precise planetary reducer interior bracing technique according to claim 1, it is characterised in that:Step G In, it is heat-treated as lonneal.
5. few teeth difference precise planetary reducer interior bracing technique according to claim 2 or 3, it is characterised in that:Step Heat treatment in rapid B is isothermal normalizing, and isothermal normalizing hardness is HB160-190.
CN201710039674.6A 2017-01-19 2017-01-19 Few teeth difference precise planetary reducer interior bracing technique Active CN106825775B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710039674.6A CN106825775B (en) 2017-01-19 2017-01-19 Few teeth difference precise planetary reducer interior bracing technique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710039674.6A CN106825775B (en) 2017-01-19 2017-01-19 Few teeth difference precise planetary reducer interior bracing technique

Publications (2)

Publication Number Publication Date
CN106825775A CN106825775A (en) 2017-06-13
CN106825775B true CN106825775B (en) 2018-10-30

Family

ID=59124056

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710039674.6A Active CN106825775B (en) 2017-01-19 2017-01-19 Few teeth difference precise planetary reducer interior bracing technique

Country Status (1)

Country Link
CN (1) CN106825775B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107479521B (en) * 2017-09-20 2019-11-22 重庆大学 A kind of pin wheel housing intelligence manufacture production line
CN108555548A (en) * 2018-07-18 2018-09-21 东莞市鑫拓智能机械科技有限公司 A kind of production and processing method of firm gear
CN108747243A (en) * 2018-08-06 2018-11-06 合肥银泉铸造有限责任公司 A kind of planetary gear processing technology
CN108890238B (en) * 2018-09-25 2020-04-28 山东帅克机械制造股份有限公司 Machining process of rigid flexible gear of robot speed reducer
CN110116295A (en) * 2018-12-27 2019-08-13 东莞市国森科精密工业有限公司 A kind of manufacturing method of platypelloid type Rigid Gear of Harmonic Reducer
CN111283394B (en) * 2020-01-21 2022-04-29 江阴市凯华机械制造有限公司 Machining process of inner gear ring of wind power gear box and inner gear ring pitch circle clamp thereof
CN114248071A (en) * 2021-12-20 2022-03-29 上海炽星新材料科技有限公司 Method for manufacturing automobile clutch disc hub
CN114669966B (en) * 2022-03-30 2023-08-18 武汉船用机械有限责任公司 Processing method of oil cylinder body
CN114669976A (en) * 2022-03-31 2022-06-28 盛瑞传动股份有限公司 Machining process of gear ring of planet row for transmission

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS637221A (en) * 1986-06-24 1988-01-13 Toyota Motor Corp Manufacutre of ring gear and drive pinion of differential gear
CN100391688C (en) * 2006-03-15 2008-06-04 中国第一汽车集团公司无锡柴油机厂 Art for mfg. Austempered Ductile iron gear for diesel engine
CN1958216A (en) * 2006-08-18 2007-05-09 株洲齿轮有限责任公司 Combined technology for milling and grinding tooth parts of spiral taper gear
CN102198583B (en) * 2010-03-25 2014-10-22 上海航发机械有限公司 Inner gear machining method and special gear shaping clamp
CN101862945B (en) * 2010-04-15 2012-05-23 南通振华重型装备制造有限公司 Method for processing large combination type herringbone gear
CN102091921A (en) * 2011-01-07 2011-06-15 常州市万航工矿设备有限公司 Method for manufacturing bevel gear of axle gear box for diesel locomotives
CN102528405B (en) * 2012-01-12 2013-08-21 张强辉 Process for machining thin-walled precision internally-toothed sleeve with flange, cone and transition ring
CN102699642B (en) * 2012-04-28 2015-04-08 重庆市江津区宏盛机械制造有限公司 Process for machining rail traffic driven gear
CN103464982A (en) * 2013-09-18 2013-12-25 江国辉 Machining process for fixed disks of synchronizers
CN103722351B (en) * 2013-12-04 2016-07-06 大连洁能重工机械有限公司 High-power wind turbine unit main gear shaft processing technique
CN104057266A (en) * 2014-06-04 2014-09-24 安徽省宁国顺昌机械有限公司 Slewing bearing quenching type inner gear ring processing technology
CN104439994B (en) * 2014-12-03 2017-02-22 江西科技学院 Manufacturing method for automobile transmission gear

Also Published As

Publication number Publication date
CN106825775A (en) 2017-06-13

Similar Documents

Publication Publication Date Title
CN106825775B (en) Few teeth difference precise planetary reducer interior bracing technique
CN103228953B (en) Ball screw
CN101722337B (en) Expanding type mandrel clamp
CN111299983A (en) Method for processing duplex gear for high-precision planetary cycloidal pin gear speed reducer
CN106015514A (en) Harmonic speed reducer of improved structure
US20030070297A1 (en) Method for fabricating external-tooth gears
CN110014273A (en) A kind of processing method and assembly method of pairs of involute planet gear
CN103495845A (en) Processing technique for backward gear
CN108340132A (en) A kind of flexbile gear and its processing technology for harmonic wave speed reducing machine
JP2002120116A (en) Manufacturing method of outer tooth gear
CN103398157A (en) Method for manufacturing cycloidal gears of cycloidal device of robot RV reducer
JP2007113611A (en) Ball screw device
Yanase et al. Grinding of internal gears by setting a large crossed-axes angle using a barrel-shaped grinding wheel
CN110842493A (en) Machining method for prolonging service life and improving precision of crankshaft of planetary cycloidal pin gear speed reducer
CN105710619B (en) A kind of cycloid gear low-cost high-efficiency processing method
US20220381335A1 (en) Power transmission device and method of manufacturing the same
CN116175107A (en) Thin-wall planetary gear machining process without tooth form parameters
US20220184722A1 (en) Method for manufacturing hypoid gear
CN110405429A (en) A kind of Gearmaking Technology
CN105855815A (en) Machining technology of large gear for transmission of crane
CN104500388B (en) Method for designing and manufacturing cycloid rotor pump
JPS62207527A (en) Manufacture of bevel gear
CN209887382U (en) Positioning jacking device for differential case
CN101229614B (en) Method of manufacturing straight-tooth bevel gear finish forge mould
JP2007113675A (en) Worm gear

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant