CN105822729A - Servo speed reducer - Google Patents
Servo speed reducer Download PDFInfo
- Publication number
- CN105822729A CN105822729A CN201610317164.6A CN201610317164A CN105822729A CN 105822729 A CN105822729 A CN 105822729A CN 201610317164 A CN201610317164 A CN 201610317164A CN 105822729 A CN105822729 A CN 105822729A
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- China
- Prior art keywords
- shaft
- gear
- sun gear
- flat key
- locating shaft
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- 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.)
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Classifications
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a servo speed reducer. The servo speed reducer comprises an input flange, a rear flange connected with the input flange through a first screw, and an inner gear ring connected with the rear flange through a second screw. An input shaft is arranged in the rear flange through an input shaft bearing. An output shaft is arranged in the inner gear ring through an output shaft bearing. One end of the input shaft penetrates the input flange to be connected with a drive device, and the other end of the input shaft is connected with a sun gear through a first positioning shaft. A first flat key is arranged outside the first positioning shaft. A second positioning shaft is arranged in the sun gear. One end of the second positioning shaft is connected with the sun gear, and the other end of the second positioning shaft is separated from the sun gear. A second flat key is arranged outside the second positioning shaft. A first annular positioning hole matched with the first positioning shaft is formed between the second positioning shaft and the sun gear.
Description
Technical field
The present invention relates to a kind of reductor, particularly relate to a kind of servo deceleration machine.
Background technology
Planetary gear in planetary reducer except can as fixed axis gear round oneself rotary shaft rotate in addition to, their rotary shaft rotates around the axis of other gear (sun gear) also as planet carrier, rotation around oneself axis becomes rotation, rotation around other Gear axis is referred to as revolution, just as the planet in the solar system, hence obtain one's name.Current planetary reducer is primarily present following shortcoming: one, the gear teeth of sun gear mostly are straight tooth structure structure, easily loosens engaging in long engagement process with planetary gear, causes connecting the tightst；Two, existing planetary gear be typically all by routine dissipate bearing rotate be arranged on planet pinion shaft, while driving planet pinion shaft to rotate around sun gear due to planetary gear, planetary gear also will be by scattered bearing around planet pinion shaft autobiography, owing to bearing pin bearing capacity ratio is relatively big, the conventional gear that dissipates can not meet requirement；Three, existing planetary gear is typically all and arranges planet carrier in side and be connected with output shaft, and planetary opposite side supporting construction without spin, instability during planetary gear rotation, reduce planetary service life；Four, it is all to use single flat key to coordinate between existing power shaft and sun gear, connects not tight, easily loosen；Five, when sun gear engages with planetary gear, can not get enough lubrications, also can not get enough lubrications simultaneously between flat key and flat key groove between the gear teeth, the wear rate of each parts is high, reduces the service life that reductor is overall.
Summary of the invention
The technical problem to be solved is: provide a kind of stable servo deceleration machine.
nullIn order to solve above-mentioned technical problem，The technical solution used in the present invention is: servo deceleration machine，Including: input flange，The rear flange being connected with input flange by the first screw，The ring gear being connected with rear flange by the second screw，In flange, bearing of input shaft is provided with power shaft in the rear，In described ring gear, output shaft bearing is provided with output shaft，One end of described power shaft is connected through input flange with driving means，The other end of described power shaft is connected with sun gear by the first locating shaft，The outside of described first locating shaft is provided with the first flat key，The second locating shaft it is provided with in described sun gear，One end of described second locating shaft is connected with sun gear，The other end of described second locating shaft is separated with sun gear，The outside of described second locating shaft is provided with the second flat key，The hole, first annular location cooperated with the first locating shaft it is provided with between described second locating shaft and sun gear，The sun gear of upper end, hole, described first annular location is provided with the first flat key groove cooperated with the first flat key，The second hole, location cooperated with the second locating shaft it is provided with in described first locating shaft，Described second the first locating shaft positioning upper end, hole is provided with the second flat key groove cooperated with the second flat key，Described sun gear engages each other with some planetary gears，Described planetary gear engages each other with ring gear，Described planetary gear is rotated by full needle bearing and is arranged on planet pinion shaft，One end of described planet pinion shaft is stretched out planetary gear and is connected with rear planet carrier，Described rear planet carrier forwards dynamic being arranged in rear method and ring gear by planet carrier shaft，The other end of described planet pinion shaft stretches out planetary gear and is connected with front planet carrier，Described front planet carrier is connected with output shaft，It is both provided with oil sealing between described output shaft and ring gear and between power shaft and rear flange，Stretch out at described output shaft and on one end of ring gear, be provided with the 3rd flat key，The gear teeth on described sun gear are helical teeth structure，Sun gear between described adjacent two gear teeth is evenly arranged with the some oilholes being interconnected with hole, first annular location respectively.
The invention have the advantage that above-mentioned servo deceleration machine, compact conformation, take up room little, the gear teeth of sun gear are changed into helical teeth structure, increase sun gear and the stability in planetary gear engagement process；Using full needle bearing to replace original routine to dissipate bearing between planetary gear and planet pinion shaft, bearing capacity ratio is relatively big, is hardly damaged；All arranging planet carrier in planetary both sides, the planet carrier of side is connected with output shaft, and the planet carrier of opposite side by bearings, is increased the stability that planetary gear runs, extends planetary service life in ring gear and rear flange；Power shaft and sun gear alternate connection by two flat keys simultaneously and coordinate, and add the tight type of connection, are not likely to produce loosening；By arranging on sun gear and positioning the oilhole that hole is connected, the each several parts such as the gear teeth of sun gear and flat key sufficiently can be lubricated, high lubricating effect, the service life that prolonged deceleration machine is overall, above-mentioned servo deceleration machine range of application is wider, modern machines people's industry can be used in, such as parallel robot or linear robot, it is possible to be applied to Digit Control Machine Tool and machining center field.
Accompanying drawing explanation
Fig. 1 is the structural representation of servo deceleration machine of the present invention.
Structural representation when Fig. 2 is that in servo deceleration machine of the present invention, power shaft coordinates with sun gear.
In figure: 1, input flange, 2, first screw, 3, rear flange, 4, second screw, 5, ring gear, 6, bearing of input shaft, 7, power shaft, 8, output shaft bearing, 9, output shaft, 10, first locating shaft, 11, sun gear, 12, first flat key, 13, second locating shaft, 14, second flat key, 15, hole, first annular location, 16, first flat key groove, 17, second hole, location, 18, second flat key groove, 19, planetary gear, 20, full needle bearing, 21, planet pinion shaft, 22, rear planet carrier, 23, planet carrier bearing, 24, front planet carrier, 25, oil sealing, 26, 3rd flat key, 27, the gear teeth, 28, some oilholes.
Detailed description of the invention
The particular content of the present invention is described in detail below in conjunction with the accompanying drawings with specific embodiment.
nullSuch as Fig. 1、Shown in Fig. 2，Servo deceleration machine，Including: input flange 1，The rear flange 3 being connected with input flange 1 by the first screw 2，The ring gear 5 being connected with rear flange 3 by the second screw 4，In flange 3, bearing of input shaft 6 is provided with power shaft 7 in the rear，In described ring gear 5, output shaft bearing 8 is provided with output shaft 9，One end of described power shaft 7 is connected through input flange 1 with driving means，The other end of described power shaft 7 is connected with sun gear 11 by the first locating shaft 10，The outside of described first locating shaft 10 is provided with the first flat key 12，The second locating shaft 13 it is provided with in described sun gear 11，One end of described second locating shaft 13 is connected with sun gear 11，The other end of described second locating shaft 13 is separated with sun gear 11，The outside of described second locating shaft 13 is provided with the second flat key 14，The hole, first annular location 15 cooperated with the first locating shaft 10 it is provided with between described second locating shaft 13 and sun gear 11，The sun gear 11 of upper end, hole 15, described first annular location is provided with the first flat key groove 16 cooperated with the first flat key 12，The second hole 17, location cooperated with the second locating shaft 13 it is provided with in described first locating shaft 10，Described second the first locating shaft 10 positioning upper end, hole 17 is provided with the second flat key groove 18 cooperated with the second flat key 14，Described sun gear 11 engages each other with some planetary gears 19，Described planetary gear 19 engages each other with ring gear 5，Described planetary gear 19 is rotated by full needle bearing 20 and is arranged on planet pinion shaft 21，One end of described planet pinion shaft 21 is stretched out planetary gear 19 and is connected with rear planet carrier 22，Described rear planet carrier 22 is rotated by planet carrier bearing 23 and is arranged in rear flange 3 and ring gear 5，The other end of described planet pinion shaft 21 stretches out planetary gear 16 and is connected with front planet carrier 24，Described front planet carrier 24 is connected with output shaft 8，It is both provided with oil sealing 25 between described output shaft 8 and ring gear 5 and between power shaft 7 and rear flange 3，Stretch out at described output shaft 8 and on one end of ring gear 5, be provided with the 3rd flat key 26，The gear teeth 27 on described sun gear 11 are helical teeth structure，Sun gear 11 between described adjacent two gear teeth 27 is evenly arranged with the some oilholes 28 being interconnected with hole, first annular location 15 respectively.
When above-mentioned servo deceleration machine is installed, one end of power shaft 7 is connected with driving means, in the hole, first annular location 15 that the first locating shaft 10 on power shaft 7 other end is inserted in sun gear 11, in the first flat key groove 16 that the first flat key 12 on first locating shaft 10 is inserted in sun gear 11, in the second hole 17, location that meanwhile the second locating shaft 13 in sun gear 11 is inserted in the first locating shaft 10, the second flat key 14 on the second locating shaft 13 is inserted in the second flat key groove 18 in the first locating shaft 10.
During the work of above-mentioned servo deceleration machine, driving means band driven input shaft 7 is rotated in rear flange 3 by bearing of input shaft 6, power shaft 7 drives sun gear 11 to rotate, intermeshing some planetary gears 19 rotate with it in sun gear 11 drive, planetary gear 19 moves in a circle around sun gear 11 under the effect of ring gear 5 intermeshing with it, planetary gear 19 does autobiography motion by full needle bearing 20 on planet pinion shaft 21 simultaneously, after planetary gear 19 drives, planet carrier 22 rotates together with front planet carrier 24, rear planet carrier 22 rotates in planet carrier bearing 23 simultaneously, front planet carrier 24 drives output shaft 9 to be rotated in ring gear 5 by output shaft bearing 8, output shaft 9 drives workpiece to work by the 3rd flat key 26.
Above-mentioned servo deceleration machine, compact conformation, take up room little, the gear teeth of sun gear are changed into helical teeth structure, increase sun gear and the stability in planetary gear engagement process；Using full needle bearing to replace original routine to dissipate bearing between planetary gear and planet pinion shaft, bearing capacity ratio is relatively big, is hardly damaged；All arranging planet carrier in planetary both sides, the planet carrier of side is connected with output shaft, and the planet carrier of opposite side by bearings, is increased the stability that planetary gear runs, extends planetary service life in ring gear and rear flange；Power shaft and sun gear alternate connection by two flat keys simultaneously and coordinate, and add the tight type of connection, are not likely to produce loosening；By arranging on sun gear and positioning the oilhole that hole is connected, the each several parts such as the gear teeth of sun gear and flat key sufficiently can be lubricated, high lubricating effect, the service life that prolonged deceleration machine is overall, above-mentioned servo deceleration machine range of application is wider, modern machines people's industry can be used in, such as parallel robot or linear robot, it is possible to be applied to Digit Control Machine Tool and machining center field.
Claims (1)
- null1. servo deceleration machine，It is characterized in that: including: input flange (1)，The rear flange (3) being connected with input flange (1) by the first screw (2)，The ring gear (5) being connected with rear flange (3) by the second screw (4)，In flange (3), bearing of input shaft (6) is provided with power shaft (7) in the rear，In described ring gear (5), output shaft bearing (8) is provided with output shaft (9)，One end of described power shaft (7) is connected through input flange (1) with driving means，The other end of described power shaft (7) is connected with sun gear (11) by the first locating shaft (10)，The outside of described first locating shaft (10) is provided with the first flat key (12)，The second locating shaft (13) it is provided with in described sun gear (11)，One end of described second locating shaft (13) is connected with sun gear (11)，The other end of described second locating shaft (13) is separated with sun gear (11)，The outside of described second locating shaft (13) is provided with the second flat key (14)，The hole, first annular location (15) cooperated with the first locating shaft (10) it is provided with between described second locating shaft (13) and sun gear (11)，The sun gear (11) of hole (15) upper end, described first annular location is provided with the first flat key groove (16) cooperated with the first flat key (12)，The second hole, the location (17) cooperated with the second locating shaft (13) it is provided with in described first locating shaft (10)，Described second the first locating shaft (10) positioning hole (17) upper end is provided with the second flat key groove (18) cooperated with the second flat key (14)，Described sun gear (11) engages each other with some planetary gears (19)，Described planetary gear (19) engages each other with ring gear (5)，Described planetary gear (19) is rotated by full needle bearing (20) and is arranged on planet pinion shaft (21)，One end of described planet pinion shaft (21) is stretched out planetary gear (19) and is connected with rear planet carrier (22)，Described rear planet carrier (22) is rotated by planet carrier bearing (23) and is arranged in rear flange (3) and ring gear (5)，The other end of described planet pinion shaft (21) stretches out planetary gear (16) and is connected with front planet carrier (24)，Described front planet carrier (24) is connected with output shaft (8)，Oil sealing (25) it is both provided with between described output shaft (8) and ring gear (5) and between power shaft (7) and rear flange (3)，Stretch out at described output shaft (8) and on one end of ring gear (5), be provided with the 3rd flat key (26)，The gear teeth (27) on described sun gear (1) are helical teeth structure，Sun wheel (11) between described adjacent two gear teeth (27) is evenly arranged with the some oilholes (28) being interconnected with hole, first annular location (15) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317164.6A CN105822729B (en) | 2016-05-11 | 2016-05-11 | Servo deceleration machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317164.6A CN105822729B (en) | 2016-05-11 | 2016-05-11 | Servo deceleration machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105822729A true CN105822729A (en) | 2016-08-03 |
| CN105822729B CN105822729B (en) | 2018-05-11 |
Family
ID=56530743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610317164.6A Active CN105822729B (en) | 2016-05-11 | 2016-05-11 | Servo deceleration machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105822729B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641198A (en) * | 2017-02-15 | 2017-05-10 | 苏州萨伯工业设计有限公司 | Single-output power take-off method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010151196A (en) * | 2008-12-24 | 2010-07-08 | Kikuchi Haguruma Kk | Speed reducer |
| US20120264556A1 (en) * | 2011-04-12 | 2012-10-18 | William Terry Lester | Translating Gear Set with Linkages |
| CN103133609A (en) * | 2013-03-25 | 2013-06-05 | 盐城市金洲机械制造有限公司 | Planet speed reducer |
| CN103148170A (en) * | 2013-03-25 | 2013-06-12 | 盐城市金洲机械制造有限公司 | Double-stage driving servo planet speed reducer |
| CN103161885A (en) * | 2013-03-25 | 2013-06-19 | 盐城市金洲机械制造有限公司 | Servo planetary speed reducer |
| CN205745119U (en) * | 2016-05-11 | 2016-11-30 | 普尔菲特传动设备盐城有限公司 | Servo deceleration machine |
-
2016
- 2016-05-11 CN CN201610317164.6A patent/CN105822729B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010151196A (en) * | 2008-12-24 | 2010-07-08 | Kikuchi Haguruma Kk | Speed reducer |
| US20120264556A1 (en) * | 2011-04-12 | 2012-10-18 | William Terry Lester | Translating Gear Set with Linkages |
| CN103133609A (en) * | 2013-03-25 | 2013-06-05 | 盐城市金洲机械制造有限公司 | Planet speed reducer |
| CN103148170A (en) * | 2013-03-25 | 2013-06-12 | 盐城市金洲机械制造有限公司 | Double-stage driving servo planet speed reducer |
| CN103161885A (en) * | 2013-03-25 | 2013-06-19 | 盐城市金洲机械制造有限公司 | Servo planetary speed reducer |
| CN205745119U (en) * | 2016-05-11 | 2016-11-30 | 普尔菲特传动设备盐城有限公司 | Servo deceleration machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641198A (en) * | 2017-02-15 | 2017-05-10 | 苏州萨伯工业设计有限公司 | Single-output power take-off method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105822729B (en) | 2018-05-11 |
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