CN103644283A - Eccentric helical gear and machining process - Google Patents
Eccentric helical gear and machining process Download PDFInfo
- Publication number
- CN103644283A CN103644283A CN201310463236.4A CN201310463236A CN103644283A CN 103644283 A CN103644283 A CN 103644283A CN 201310463236 A CN201310463236 A CN 201310463236A CN 103644283 A CN103644283 A CN 103644283A
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- hole
- bull wheel
- gear
- face
- steamboat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses an eccentric helical gear and a machining process. The eccentric helical gear comprises a hub, the hub is integrally formed by a large gear and a small gear which are arranged eccentrically, gear teeth are arranged on the circumferential face of the large gear, a first through hole penetrating through the hub simultaneously is formed with the axis of the large gear as a center, the large gear further comprises a semicircular annular groove formed in the end face of the large gear, an eccentric second through hole only penetrating through the large gear and a second annular boss which is arranged on the end face of the large gear and is homocentric with the second through hole, and a blind hole and a first annular boss are eccentrically arranged on the small gear, wherein the first annular boss is arranged on the end face of the small gear and is homocentric with the first through hole. The gear is arranged into the large gear and the small gear which are different in size, the gear teeth are arranged on the large gear, a workpiece is clamped by clamping the small gear or the first through hole in the clamping process, and the problem that the gear is damaged in the clamping process is solved. In addition, through multiple processes, different reference planes are selected in order, and machining precision is guaranteed.
Description
Technical field
The present invention relates to Gear Processing field, especially a kind of eccentric helical gear and processing technology thereof.
Background technique
Gear is the colyliform mechanical parts that rely on the engagement transmitting torque of tooth.Gear by with other dentation mechanical parts (as another gear, tooth bar, worm screw) transmission, can realize change rotating speed with moment of torsion, change the functions such as moving direction and change forms of motion.Due to advantages such as transmission efficiency are high, velocity ratio is accurate, power range is large, gear mechanism extensive use in industrial products, its design and manufacture level directly have influence on the quality of industrial products.Gear tooth mutually fastens gear and can drive another gear to rotate to transmit power.By two gears separately, also can apply chain, crawler belt, belt drives the gear on both sides and transmits power.
The loaded down with trivial details complexity of whole processing technology of gear, for the higher gear of a few thing strength, toward contact, need to carry out surface heat and process the rigidity that strengthens tooth portion as case-carbonizing etc., then carburizing tends to cause gear size to become large later, this is for the high gear of some required precisions, this is definitely unallowed, so must arrange fine finishing after heat treatment, and the clamping workpiece in fine finishing process has just become a difficult problem, because careless slightly, will crush the gear teeth, cause waste product.In addition, for some gear, except processing the gear teeth, also have other machining processes, for example boring, groove milling etc., these all need to carry out reasonable clamping to workpiece in the situation that guaranteeing gear teeth health.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of gear and Gearmaking Technology that can solve clamping problem.
For addressing the above problem, the present invention has adopted a kind of technological scheme: a kind of eccentric helical gear is provided, it is characterized in that, comprise wheel hub, this wheel hub is one-body molded by bull wheel and the steamboat of eccentric setting, the gear teeth are arranged on the circumferential surface of described bull wheel, centered by the shaft axis of bull wheel, be provided with one and pass the first through hole of described wheel hub simultaneously, described bull wheel also comprises that one is arranged on the semicircle annular groove on its end face, eccentric and only through the second through hole of described bull wheel, and be arranged on described bull wheel end face and second annular boss concentric with described the second through hole, on described steamboat, also bias is provided with blind hole and is arranged on described steamboat end face and concentric the first annular boss of described the first through hole.
The present invention also provides the processing technology of eccentric helical gear, comprises the following steps:
A, base,
A1, rough turn, the rough turn wheel hub of numerically controlled lathe, comprises bull wheel, steamboat contoured surface, rough turn the first through hole of numerically controlled lathe, clamping reference level is bull wheel end face, clamping position is the circumferential surface of bull wheel end face and bull wheel;
A2, gear hobbing, chain digital control gear hobbing machine roller tooth;
A3, machining center, milling annular groove, bores the first through hole, blind hole, car the first annular boss and the second annular boss, clamping position is bull wheel circumferential surface,
B, heat treatment, case-carbonizing;
C, fine finishing,
C1, finish turning I, numerically controlled lathe finish turning the first through hole, clamping reference level is bull wheel end face, clamping position is the circumferential surface of bull wheel end face and bull wheel;
C2, cutting, chain digital control gear hobbing machine is cut the gear teeth;
C3, finish turning II, numerical control lathe wheeled litter steamboat end face, clamping reference level is bull wheel end face;
C3, grinds; Internal grinding machine grinds the second through hole, and reference level is the back side of bull wheel end face, the circumferential surface that clamping position is steamboat;
C3, bores a hole, and boring machine is warded off the second through hole, the circumferential surface that clamping position is roundlet.
Beneficial effect of the present invention is, gear is arranged to bull wheel and the steamboat that size does not wait, the gear teeth are arranged on bull wheel, during clamping, by the clamping of steamboat clamping or the first through hole being realized to the clamping of workpiece, while having solved clamping, injure the problem of the gear teeth, pass through in addition multiple working procedure, orderly choose obstructed reference level, also guaranteed the precision of processing.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention;
Fig. 2 is worm's eye view of the present invention;
Fig. 3 is plan view of the present invention.
Wherein: 2-the second through hole; 4-the second annular boss; 6-bull wheel; 8-the first through hole; 10-annular groove; 12-the first annular boss; 14-steamboat; 16-blind hole; The 18-gear teeth.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Figure 1-Figure 3, a kind of embodiment of the present invention, comprise wheel hub, this wheel hub is one-body molded by bull wheel 6 and the steamboat 14 of eccentric setting, the gear teeth 18 are arranged on the circumferential surface of described bull wheel 6, centered by the shaft axis of bull wheel 6, be provided with one and pass the first through hole 8 of described wheel hub simultaneously, described bull wheel 6 also comprises that one is arranged on the semicircle annular groove 10 on its end face, eccentric and only through the second through hole 2 of described bull wheel 6, and be arranged on described bull wheel 6 end faces and second annular boss concentric with described the second through hole 2, on described steamboat 14, also bias is provided with blind hole 16 and is arranged on described steamboat 14 end faces and concentric the first annular boss 12 of described the first through hole 8.
Gear is arranged to bull wheel 6 and the steamboat 14 that size does not wait, and the gear teeth 18 are arranged on bull wheel 6, during clamping, by the clamping of steamboat 14 clampings or the first through hole 8 being realized to the clamping of workpiece, injure the problem of the gear teeth 18 while having solved clamping.
The present invention has also designed the processing technology of eccentric helical gear, comprises the following steps:
A, base,
A1, rough turn, the rough turn wheel hub of numerically controlled lathe, comprises bull wheel 6, steamboat 14 contoured surfaces, rough turn the first through hole 8 of numerically controlled lathe, clamping reference level is bull wheel 6 end faces, clamping position is the circumferential surface of bull wheel 6 end faces and bull wheel 6;
A2, gear hobbing, chain digital control gear hobbing machine roller tooth 18;
A3, machining center, milling annular groove 10, bores the first through hole 8, blind hole 16, car the first annular boss 1212 and the second annular boss 4, clamping position is bull wheel 6 circumferential surfacies,
B, heat treatment, case-carbonizing;
C, fine finishing,
C1, finish turning I, numerically controlled lathe finish turning the first through hole 8, clamping reference level is bull wheel 6 end faces, clamping position is the circumferential surface of bull wheel 6 end faces and bull wheel 6;
C2, cutting, chain digital control gear hobbing machine is cut the gear teeth 18;
C3, finish turning II, numerical control lathe wheeled litter steamboat 14 end faces, clamping reference level is bull wheel 6 end faces;
C3, grinds; Internal grinding machine grinds the second through hole 2, and reference level is the back side of bull wheel 6 end faces, and clamping position is the circumferential surface of steamboat 14;
C3, bores a hole, and boring machine is warded off the second through hole 2, the circumferential surface that clamping position is roundlet.
By multiple working procedure, orderly choose obstructed reference level, guaranteed the precision of processing simultaneously, avoid using the gear teeth 18 as clamping position, prevent from crushing the gear teeth 18.
Above foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, related personnel can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification, must determine technical scope according to claim scope.
Claims (2)
1. an eccentric helical gear, it is characterized in that, comprise wheel hub, this wheel hub is one-body molded by bull wheel and the steamboat of eccentric setting, the gear teeth are arranged on the circumferential surface of described bull wheel, centered by the shaft axis of bull wheel, be provided with one and pass the first through hole of described wheel hub simultaneously, described bull wheel also comprises that one is arranged on the semicircle annular groove on its end face, eccentric and only through the second through hole of described bull wheel, and be arranged on described bull wheel end face and second annular boss concentric with described the second through hole, on described steamboat, also bias is provided with blind hole and is arranged on described steamboat end face and concentric the first annular boss of described the first through hole.
2. a processing technology for eccentric helical gear as claimed in claim 1, is characterized in that, comprises the following steps:
A, base,
A1, rough turn, the rough turn wheel hub of numerically controlled lathe, comprises bull wheel, steamboat contoured surface, rough turn the first through hole of numerically controlled lathe, clamping reference level is bull wheel end face, clamping position is the circumferential surface of bull wheel end face and bull wheel;
A2, gear hobbing, chain digital control gear hobbing machine roller tooth;
A3, machining center, milling annular groove, bores the first through hole, blind hole, car the first annular boss and the second annular boss, clamping position is bull wheel circumferential surface,
B, heat treatment, case-carbonizing;
C, fine finishing,
C1, finish turning I, numerically controlled lathe finish turning the first through hole, clamping reference level is bull wheel end face, clamping position is the circumferential surface of bull wheel end face and bull wheel;
C2, cutting, chain digital control gear hobbing machine is cut the gear teeth;
C3, finish turning II, numerical control lathe wheeled litter steamboat end face, clamping reference level is bull wheel end face;
C4, grinds; Internal grinding machine grinds the second through hole, and reference level is the back side of bull wheel end face, the circumferential surface that clamping position is steamboat;
C5, bores a hole, and boring machine is warded off the second through hole, the circumferential surface that clamping position is roundlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310463236.4A CN103644283B (en) | 2013-10-08 | 2013-10-08 | A kind of eccentric helical gear and complete processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310463236.4A CN103644283B (en) | 2013-10-08 | 2013-10-08 | A kind of eccentric helical gear and complete processing |
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| Publication Number | Publication Date |
|---|---|
| CN103644283A true CN103644283A (en) | 2014-03-19 |
| CN103644283B CN103644283B (en) | 2016-06-08 |
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| CN201310463236.4A Active CN103644283B (en) | 2013-10-08 | 2013-10-08 | A kind of eccentric helical gear and complete processing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537889A (en) * | 2016-02-18 | 2016-05-04 | 山东金辰机械股份有限公司 | Synchronous machining method of left and right eccentric gears |
| CN108747236A (en) * | 2018-08-06 | 2018-11-06 | 合肥银泉铸造有限责任公司 | A kind of angular gear processing technology |
| CN109838537A (en) * | 2019-03-28 | 2019-06-04 | 江苏中力齿轮有限公司 | A kind of engine link increasing journey bias gear wheel |
| CN113483076A (en) * | 2021-07-12 | 2021-10-08 | 扬州聚能金属制品科技有限公司 | One-time formed porous eccentric step spiral gear and machining process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157179A (en) * | 2007-11-20 | 2008-04-09 | 南阳二机石油装备(集团)有限公司 | Clamping apparatus for slush pump crankshaft lathe process and lathe processing method |
| CN102091831A (en) * | 2011-01-30 | 2011-06-15 | 江苏中力齿轮有限公司 | Special fixture for machining gear teeth of high-precision multi-gear |
| CN202062134U (en) * | 2011-01-30 | 2011-12-07 | 江苏中力齿轮有限公司 | Special clamp used for high-precision processing for gear teeth of multi-link gear |
| CN102927255A (en) * | 2012-06-28 | 2013-02-13 | 中国北方车辆研究所 | Planetary gear transmission device and assembly method thereof |
| CN203023434U (en) * | 2012-12-27 | 2013-06-26 | 江苏东俪动力机械制造有限公司 | Novel eccentric wheel gear |
-
2013
- 2013-10-08 CN CN201310463236.4A patent/CN103644283B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157179A (en) * | 2007-11-20 | 2008-04-09 | 南阳二机石油装备(集团)有限公司 | Clamping apparatus for slush pump crankshaft lathe process and lathe processing method |
| CN102091831A (en) * | 2011-01-30 | 2011-06-15 | 江苏中力齿轮有限公司 | Special fixture for machining gear teeth of high-precision multi-gear |
| CN202062134U (en) * | 2011-01-30 | 2011-12-07 | 江苏中力齿轮有限公司 | Special clamp used for high-precision processing for gear teeth of multi-link gear |
| CN102927255A (en) * | 2012-06-28 | 2013-02-13 | 中国北方车辆研究所 | Planetary gear transmission device and assembly method thereof |
| CN203023434U (en) * | 2012-12-27 | 2013-06-26 | 江苏东俪动力机械制造有限公司 | Novel eccentric wheel gear |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537889A (en) * | 2016-02-18 | 2016-05-04 | 山东金辰机械股份有限公司 | Synchronous machining method of left and right eccentric gears |
| CN108747236A (en) * | 2018-08-06 | 2018-11-06 | 合肥银泉铸造有限责任公司 | A kind of angular gear processing technology |
| CN109838537A (en) * | 2019-03-28 | 2019-06-04 | 江苏中力齿轮有限公司 | A kind of engine link increasing journey bias gear wheel |
| CN113483076A (en) * | 2021-07-12 | 2021-10-08 | 扬州聚能金属制品科技有限公司 | One-time formed porous eccentric step spiral gear and machining process |
| CN113483076B (en) * | 2021-07-12 | 2022-11-25 | 扬州聚能金属制品科技有限公司 | One-time formed porous eccentric step spiral gear and machining process |
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| Publication number | Publication date |
|---|---|
| CN103644283B (en) | 2016-06-08 |
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Address after: No. 66, Jinyang East Road, Lujia Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Datong gear transmission (Kunshan) Co.,Ltd. Address before: No. 66, Jinyang East Road, Lujia Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: DATONG GEAR (KUNSHAN) Co.,Ltd. |