CN106825775A - Few teeth difference precise planetary reducer interior bracing technique - Google Patents
Few teeth difference precise planetary reducer interior bracing technique Download PDFInfo
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- CN106825775A CN106825775A CN201710039674.6A CN201710039674A CN106825775A CN 106825775 A CN106825775 A CN 106825775A CN 201710039674 A CN201710039674 A CN 201710039674A CN 106825775 A CN106825775 A CN 106825775A
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- Prior art keywords
- raceway
- circular arc
- groove
- cylindrical
- face
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F17/00—Special methods or machines for making gear teeth, not covered by the preceding groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of few teeth difference precise planetary reducer interior bracing technique, the internal gear is integrated with the outer raceway of spring bearing, and it is the prominent features of Hardened gear face to contain groove with circular arc.Step：A, selection and rough forging；B, heat treatment；C, rough turn cylindrical, end face, process endoporus, raceway on the basis of cylindrical；D, Gear Shaping circular arc contain groove；E, raceway, circular arc contain groove and harden treatment；F, corase grind inside and outside circle and end face, roughly grind circular arc containing groove on the basis of raceway；G, heat treatment；H, fine cylindrical, end face；I, fine grinding raceway, circular arc contain groove.Raceway of the present invention contains groove with circular arc to be processed with same benchmark, it is ensured that machining accuracy, reduces alignment error, meets the high-precision requirement of decelerator；Raceway, circular arc contain groove carries out treatment of hardening, and improves the precision stability and bearing capacity of precision speed reduction device.
Description
Technical field
The invention belongs to machining technology field, it is 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, gearratio, compact conformation, large carrying capacity and transmission
Efficiency is high to wait prominent advantage, is widely used in the industrial circles such as robot, mine, metallurgy, chemical industry, weaving, national defense industry.Make
It is precision speed reduction device, the precision stability of driving error and whole machine is the important indicator for weighing precision speed reduction device.Internal gear is
One of such decelerator key components and parts, first it and needle roller, cycloid gear collectively form the crucial Meshing Pair of precision speed reduction device,
Secondly, it plays a supporting role to output mechanism.Realize the transmission accuracy high of decelerator, the requirement on machining accuracy pole of internal gear
It is high；Meanwhile, to realize the retentivity of decelerator transmission accuracy with service life, it is necessary to internal gear possesses good wearability, this
Outward, Hardened gear face circular arc contains the bearing capacity that groove is conducive to improving precision speed reduction device.Application No. 200510057463.2 it is double
Disc cycloid cam planet driving device；The enclosed type cycloid precision speed reduction device of Application No. 201420140453.x, two pieces application
Precision speed reduction device internal gear in patent uses raceway integration mode, and decelerator spring bearing is integrated in into internal gear.
This kind of internal gear of structure is to eat outside support bearing with common cycloid precision speed reduction device, the difference of RV decelerators
Raceway is integrated on internal gear, and structure is compacter；Input and output end plate, using staggeredly roller bearing supports, 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 decelerator
Transmission accuracy, and reduce the economic accuracy of machining of key components and parts；Arc groove is Hardened gear face, and wearability is improve in use,
The precision stability of decelerator is set more to protrude.Current general cycloid precise planetary reducer internal gear is the soft flank of tooth, and is exported
Mechanism's bearing support zone hardness is general relatively low, but because the economic accuracy of machining of internal gear is very high, it is 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
The mass high-efficiency high-accuracy of groove and the internal gear for being integrated with output mechanism spring bearing this design feature of outer raceway manufactures work
Skill there is no achievement in research to report.This patent propose it is a kind of with bearing capacity it is high, the outstanding feature such as precision stability is good lack
The processing technology of tooth difference precise planetary reducer internal gear, the technique can effectively be realized this with Hardened gear face containing groove and integrated
The high accuracy processing of the internal gear of the architectural feature of the outer raceway of spring bearing.
The content of the invention
In view of this, it is an object of the invention to provide a kind of few teeth difference precise planetary reducer interior bracing technique,
The processing that can effectively solve to contain the internal gear parts of raceway feature outside groove and integrated spring bearing with Hardened gear face circular arc is asked
Topic, warp of the performance indications 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 of machining accuracy of helping.
To reach above-mentioned purpose, the present invention provides following technical scheme：
Few teeth difference precise planetary reducer interior bracing technique, it is characterised in that：Comprise the following steps：
A, selection and rough forging, according to design of part feature and size selection suitable material；
B, heat treatment, the residual stress for eliminating forging；
C, rough turn cylindrical and end face；On the basis of cylindrical after rough turn, rough turn endoporus and raceway endoporus are stayed more than technique
Amount, it is ensured that raceway and cylindrical axiality；
D, on the basis of raceway, to circular arc contain groove gear shaping, stay process allowance；
E, the surface hardening treatment for containing groove to raceway and circular arc, it is ensured that depth of hardening zone 1.1-1.4mm, quench table
Surface hardness HRC58-62, core hardness HRC28-32；
F, corase grind raceway, cylindrical and end face, stay fine grinding surplus, then with the raceway after corase grind as base
Standard, corase grind circular arc contains groove；
G, heat treatment, eliminate surface stress, prevent stress concentration；
H, on the basis of raceway, be ground cylindrical, both ends of the surface to size, it is ensured that size, tolerance to drawing requirement；
I, on the basis of cylindrical and end face, accurate grinding processing raceway；Contained with same benchmark grinding circular arc
Groove, it is ensured that raceway circularity and size, it is ensured that the position degree of raceway and mounting groove.
Further, in step, selection is low-carbon (LC) high duty alloy Steel material, in step E, to raceway and circular arc bag
The treatment of tank carburizing and quenching, carburized (case) depth is 1.1-1.4mm.
Further, in step, selection is high intensity mild steel material, in step E, groove office is contained to raceway and circular arc
Portion's high-frequency quenching treatment.
Further, in step G, it is lonneal to be heat-treated.
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：
1st, the processing technology of raceway integral type internal gear is proposed, the blank without ripe mass processing technology is solved；
2nd, improve raceway and circular arc contains rooved face hardness, so as to put forward the bearing capacity of precision speed reduction device, and improve
The precision stability of decelerator；
3rd, circular arc is contained groove and raceway and is processed with same benchmark, it is ensured that machining accuracy, it is ensured that internal gear and Cycloidal Wheel,
The quality of fits such as the axiality of planet carrier；
4th, reduce parts number, it is cost-effective, and reduce dimensional chain for assembly amount of size, so as to reduce whole machine
Cost.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carries out
Explanation：
Fig. 1 is the structural representation 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 is sectional views of the Fig. 2 along A-A.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Embodiment 1,
1) forge：The selection of material is low-carbon (LC) superior alloy steel, and blank is forged by the way of die forging；
2) isothermal normalizing, isothermal normalizing hardness is HB160-190；
3) it is rough turn：Rough turn blank is cylindrical, flat left and right end face, stays process allowance 0.5mm, it is ensured that processing dimension；It is with cylindrical
Positioning datum, rough turn endoporus and raceway endoporus, control the perpendicularity of the axiality and end face between each endoporus；
4) gear shaping：On the basis of raceway 5, groove 7, made allowance are contained using special plunge tooling internal gear circular arc
0.5mm；
5) it is heat-treated：The carburizing and quenching of groove 7, 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 remainder；
6) roughly grind：On the basis of A, corase grind right side 6, cylindrical 4 and raceway 5, it is ensured that cylindrical 4 and raceway 5
Axiality, the perpendicularity of end face 6 and raceway 5；Turn around, on the basis of cylindrical 4, be ground cylindrical 3, end face 2 and bearing
Raceway 1, it is ensured that form and position tolerance；
7) tooth is roughly ground：On the basis of raceway 5, corase grind circular arc contains groove 6；
8) lonneal, eliminates surface stress；
9) refine：On the basis of raceway, fine grinding right side 6 and cylindrical 3, morpheme requirement reaches requirement and is taken out
Inspection；With same benchmark, datum level A, B and end face 2 are refined, it is ensured that size internal gear width, excircle dimension reach requirement.
10) fine grinding raceway contains groove with circular arc：On the basis of A, B, clamping grinding bearing raceway endoporus and end face, it is ensured that axle
Hold raceway axiality and size；With same benchmark, grinding circular arc contains groove.
11) cleaned using continuous ultrasonic cleaning machine, then check, pack, be put in storage.
Embodiment 2,
1) forge：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 is HB160-190；
3) it is rough turn：Rough turn blank is cylindrical, flat left and right end face, stays process allowance 0.5mm, it is ensured that processing dimension；It is with cylindrical
Positioning datum, rough turn endoporus and raceway endoporus, control the perpendicularity of the axiality and end face between each endoporus；
4) gear shaping：On the basis of raceway 5, groove 7, made allowance 0.5mm are contained using special plunge tooling internal gear circular arc；
5) it is heat-treated：The local high-frequency Quenching Treatment of groove 7 is contained to raceway 1,5 and internal gear circular arc；
6) roughly grind：On the basis of A, corase grind right side 6, cylindrical 4 and raceway 5, it is ensured that cylindrical 4 and raceway 5
Axiality, the perpendicularity of end face 6 and raceway 5；Turn around, on the basis of cylindrical 4, be ground cylindrical 3, end face 2 and bearing
Raceway 1, it is ensured that form and position tolerance；
7) tooth is roughly ground：On the basis of raceway 5, corase grind circular arc contains groove 6；
8) lonneal, eliminates surface stress；
9) refine：On the basis of raceway, fine grinding right side 6 and cylindrical 3, morpheme requirement reaches requirement and is taken out
Inspection；With same benchmark, datum level A, B and end face 2 are refined, it is ensured that size internal gear width, excircle dimension reach requirement.
10) fine grinding raceway contains groove with circular arc：On the basis of A, B, clamping grinding bearing raceway endoporus and end face, it is ensured that axle
Hold raceway axiality and size；With same benchmark, grinding circular arc contains groove.
11) cleaned using continuous ultrasonic cleaning machine, then check, pack, be put in storage.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment to be described in detail the present invention, it is to be understood by those skilled in the art 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：Comprise the following steps：
A, selection and rough forging, according to design of part feature and size selection suitable material；
B, heat treatment, the residual stress for eliminating forging；
C, rough turn cylindrical and end face；On the basis of cylindrical after rough turn, rough turn endoporus and raceway endoporus stay process allowance,
Ensure raceway and cylindrical axiality；
D, on the basis of raceway, to circular arc contain groove gear shaping, stay process allowance；
E, the surface hardening treatment for containing groove to raceway and circular arc, it is ensured that depth of hardening zone 1.1-1.4mm, hardened face is hard
Degree HRC58-62, core hardness HRC28-32；
F, corase grind raceway, cylindrical and end face, stay fine grinding surplus, then on the basis of the raceway after corase grind, slightly
Rounding arc contains groove；
G, heat treatment, eliminate surface stress, prevent stress concentration；
H, on the basis of raceway, be ground cylindrical, both ends of the surface to size, it is ensured that size, tolerance to drawing requirement；
I, on the basis of cylindrical and end face, accurate grinding processing raceway；Groove is contained with same benchmark grinding circular arc, is protected
Card raceway circularity and size, it is ensured that 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 (LC) high duty alloy Steel material, in step E, the treatment of groove carburizing and quenching, carburizing is contained 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, groove local high-frequency Quenching Treatment is contained 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 lonneal to be heat-treated.
5. the few teeth difference precise planetary reducer interior bracing technique according to Claims 2 or 3, it is characterised in that：Step
Heat treatment in rapid B is isothermal normalizing, and isothermal normalizing hardness is HB160-190.
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| CN106825775B CN106825775B (en) | 2018-10-30 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479521A (en) * | 2017-09-20 | 2017-12-15 | 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 |
| CN108890238A (en) * | 2018-09-25 | 2018-11-27 | 山东帅克机械制造股份有限公司 | The processing technology of robot retarder rigidity flexbile gear |
| 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 |
| CN111283394A (en) * | 2020-01-21 | 2020-06-16 | 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 |
| CN114669966A (en) * | 2022-03-30 | 2022-06-28 | 武汉船用机械有限责任公司 | Machining method of oil cylinder body |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479521A (en) * | 2017-09-20 | 2017-12-15 | 重庆大学 | A kind of pin wheel housing intelligence manufacture production line |
| 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 |
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| CN108890238A (en) * | 2018-09-25 | 2018-11-27 | 山东帅克机械制造股份有限公司 | The processing technology of robot retarder rigidity flexbile gear |
| 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 |
| CN111283394A (en) * | 2020-01-21 | 2020-06-16 | 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 |
| CN114669966A (en) * | 2022-03-30 | 2022-06-28 | 武汉船用机械有限责任公司 | Machining method of oil cylinder body |
| 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 |
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