CN205896048U - Planet cycloidal reducer - Google Patents
Planet cycloidal reducer Download PDFInfo
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- CN205896048U CN205896048U CN201520937540.2U CN201520937540U CN205896048U CN 205896048 U CN205896048 U CN 205896048U CN 201520937540 U CN201520937540 U CN 201520937540U CN 205896048 U CN205896048 U CN 205896048U
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- bearing
- speed reducer
- eccentric shaft
- shell
- needle roller
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Abstract
The utility model provides a planet cycloidal reducer, including bottom and shell, bottom and shell pass through the bolted connection lock, its inside speed reducer essential element of placing, the other end of bottom is connected with the motor, the motor links to each other with the inside input shaft of speed reducer, the speed reducer includes the main shaft mechanism that establishes centrally positioned and uses the eccentric shaft mechanism of main shaft mechanism as the center, eccentric shaft mechanism and main shaft mechanism pass through gear meshing transmission rotational speed, speed reducer inside is equipped with three identical eccentric shaft mechanism, branches such as eccentric shaft mechanism set up inside the speed reducer. This structural reliability is higher than speed reducer on the market, and it provides powerful the assurance to change for the intelligence action at robot terminal position.
Description
Technical field
The present invention relates to all-purpose robot reductor position, particularly to a kind of planet cycloid speed reducer.
Background technology
This technology is primarily directed to robot general at present at a little bit smaller position of moment of torsion, such as robot
Terminal region, was all to use motor in the past, and motor, in terms of speed change, is far less than reductor, and machine
People, the terminal region of particularly five axles or six-joint robot, the direction of rotation is different, and speed ratio also differs,
If using reductor, in terms of torsion and service life, motor will be significantly better than.Now, domestic
There are some producers to develop this class reductor, but performance quality is not fully up to expectations, external import product price
Costliness, seriously constrains the popularization of robot.
Content of the invention
The present invention proposes a kind of planet cycloid speed reducer, solves the problems of the prior art, effectively promote
Enter machine man-based development.
The technical scheme is that and be achieved in that:
A kind of planet cycloid speed reducer, including bottom and shell, described bottom and shell are bolted button
Close, it is internal to place reductor critical piece, and the other end of described bottom is connected with motor, described motor with
Reductor internal input shaft is connected, and described reductor includes being arranged at the mainshaft mechanism at center and with mainshaft mechanism
Centered on eccentric shaft mechanism, described eccentric shaft mechanism and mainshaft mechanism engage transmission rotating speed by gear mechanism,
It is provided with three identical eccentric shaft mechanisms, described eccentric shaft mechanism decile is arranged inside described reductor
Inside reductor.
As the preferred version of the present invention, described mainshaft mechanism and eccentric shaft mechanism are placed in parallel, described input
Axle front end is provided with planetary gear, and the eccentric shaft front end in described eccentric shaft mechanism is fixed with gear by bearing pin, institute
The planetary gear stating input shaft front end is meshed with described gear and contacts.
As the preferred version of the present invention, described mainshaft mechanism and eccentric shaft mechanism pass through upper bed-plate and lower bottom base
Fixed position, described upper bed-plate and lower bottom base are installed on the inside of described bottom and shell, described upper bed-plate position
Put away from motor, described lower bottom base is located proximate to motor.
As the preferred version of the present invention, be provided with side by side between described upper bed-plate and lower bottom base the first cycloid piece and
Second cycloid piece, a needle roller is placed on two cycloid piece outer rings, has a circle needle roller groove inside described shell, described
Needle roller outer ring is stuck in inside described needle roller groove.
As the preferred version of the present invention, described upper bed-plate, the first cycloid piece, needle roller and shell cross
Between region be set to bearing position, 3rd bearing is fixed in described bearing position, described lower bottom base, the second cycloid piece,
Needle roller and shell surround bearing position and equally place specification identical 3rd bearing.
As the preferred version of the present invention, the input shaft in described mainshaft mechanism is cased with second bearing, described
Second bearing is installed on inside described bottom, and described input shaft is also cased with one first outside framework oil seal, and described
One outside framework oil seal is installed on inside described bottom, and described first outside framework oil seal is installed on described 3rd bearing and institute
State between motor.
As the preferred version of the present invention, described input shaft is cased with the 4th axle at gear mechanism end of engagement
Hold.
As the preferred version of the present invention, the eccentric shaft in described eccentric shaft mechanism is cased with two groups of clutch shaft bearings,
Described two groups of clutch shaft bearings are individually fixed in inside upper bed-plate and lower bottom base；Needle roller is also cased with described eccentric shaft
Bearing, described needle bearing is fixed on inside the first cycloid piece.
As the preferred version of the present invention, between described shell and described upper bed-plate, accompany the second outside framework oil seal,
Described second outside framework oil seal is provided close at gear mechanism end of engagement.
As the preferred version of the present invention, the shell end face contacting with described bottom has cannelure, an o
Type circle is installed in cannelure.
Base bearing built-in mechanism in the present invention, i.e. 3rd bearing mechanism, the thrust ball axle of radial direction is installed
Hold, outside can be supported to meet, torque rigidity and allow that moment is big, the 3rd bearing quantity in mechanism can
Increase and decrease.
The placement of two cycloid pieces makes its revolution speed slack-off, and vibration reduces, and can reduce the impact of inertia.
The dual bed supporting construction of upper bed-plate and lower bottom base composition makes eccentric shaft have dual bed to prop up in reductor
Support, makes reductor internal torsion rigidity greatly, resistance to impact is strong.
Needle bearing in the present invention adopts rolling bearing, and it starts, and power is beneficial, and backlash is little.
Planet cycloid speed reducer in the present invention is to be slowed down by 2 grades.
1st deceleration part slows down for single-stage planetary, size The gear deceleration, and that is, the rotation of input shaft is from input shaft
Sun gear gear is delivered to eccentric shaft planetary gear, is slowed down by gear ratio.
2nd deceleration part, cycloid gear reducing gear is that eccentric shaft planetary gear connects eccentric shaft turns, becomes
Input for the 2nd reduction part.Eccentric shaft turns one circle cycloid piece rotates a tooth,
Cycloid piece is enveloping outer enclosure structure, realizes speed reducing ratio greatly, and when will be fixing for axle, shell side becomes output
Side.
Beneficial effect
Due to being independent research, cost reduces.It is easy to maintain, and accessory is convenient, low price.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
Example or description of the prior art in required use accompanying drawing be briefly described it should be apparent that, below describe
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the cross-sectional view of the present invention.
Wherein, bottom 1, shell 2, upper bed-plate 3, lower bottom base 4, the first cycloid piece 5, the second cycloid piece 6,
Needle roller 7, eccentric shaft 8, input shaft 9, planetary gear 10, fourth bearing 11,3rd bearing 12, the second axle
Hold 13, clutch shaft bearing 14, needle bearing 15, the first outside framework oil seal 16, the second outside framework oil seal 17, o type
Circle 18, motor 19.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by it is clear that described embodiment is only a part of embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that obtained, broadly fall into the scope of protection of the invention.
As described in Figure 1, bottom 1 is buckled on shell 2, respectively has a bearing position up and down inside shell 2, on
Base 3 and lower bottom base are installed in the bearing position of shell (being fixed by screw part to connect) first by bearing
Cycloid piece 5 and the second cycloid piece 6 are installed in the middle of Up/down base, and needle roller 7 is used for being arranged on the needle roller of shell
Inside groove, fit tightly in cycloid piece, eccentric shaft 8 (quantity 3) passes through needle bearing 15 with cycloid piece even
Connect, clutch shaft bearing 14 is installed on the bearing position of Up/down base, fix planetary gear 10 in the gear end of eccentric shaft.
After o type circle 18 is arranged in the groove of shell 3.
The positioning step that bottom 1 passes through above bottom is connected with shell 2, is fixed by screw part and fixes.
Install snap ring in the annular groove of bottom, second bearing 13 and the first skeleton are installed successively on snap ring
Oil sealing 16.
Recently enter axle 9 and be interspersed in the planetary gear of reductor interior lower end and fit tightly, motor 19 and input shaft
9 connections, complete to assemble.
It is provided with the first cycloid piece 5 and the second cycloid piece 6,7 sets of needle roller side by side between upper bed-plate 3 and lower bottom base 4
In two cycloid piece outer rings, inside shell, have a circle needle roller groove, needle roller 7 outer ring is stuck in inside described needle roller groove.
Upper bed-plate 3, the first cycloid piece 5, needle roller 7 and shell 2 cross an area of space and are set to bearing position, the
Three bearings 12 are fixed in described bearing position, and lower bottom base 4, the second cycloid piece 6, needle roller 7 and shell 2 enclose
Bearing position is become equally to place specification identical 3rd bearing 12.
Second bearing 13 is cased with the input shaft 9 in described mainshaft mechanism, second bearing 13 is installed on described
Inside bottom 1, input shaft 9 is also cased with one first outside framework oil seal 16, the first outside framework oil seal is installed on described
Inside bottom 1, the first outside framework oil seal 16 is installed between 3rd bearing 12 and motor 19.On input shaft 9
It is cased with fourth bearing 11 at gear mechanism end of engagement.
Two groups of clutch shaft bearings 14 are cased with the eccentric shaft 8 in eccentric shaft mechanism, two groups of clutch shaft bearings 14 are solid respectively
Inside upper bed-plate and lower bottom base；Needle bearing 15 is also cased with eccentric shaft 8, needle bearing is fixed on
Inside one cycloid piece 5.
The second outside framework oil seal 17, described second outside framework oil seal is accompanied between described shell 2 and described upper bed-plate 3
17 are provided close at gear mechanism end of engagement.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in this
Within bright protection domain.
Claims (10)
1. a kind of planet cycloid speed reducer, including bottom (1) and shell (2), described bottom (1) and shell (2) are bolted fastening, its internal placement reductor critical piece, the other end of described bottom (1) is connected with motor (19), described motor (19) is connected with reductor internal input shaft (9), it is characterized in that, described reductor includes mainshaft mechanism and the eccentric shaft mechanism centered on mainshaft mechanism being arranged at center, described eccentric shaft mechanism engages transmission rotating speed with mainshaft mechanism by gear mechanism, it is provided with three identical eccentric shaft mechanisms inside described reductor, described eccentric shaft mechanism decile is arranged inside reductor.
2. a kind of planet cycloid speed reducer according to claim 1, it is characterized in that, described mainshaft mechanism and eccentric shaft mechanism are placed in parallel, described input shaft (9) front end is provided with planetary gear (10), eccentric shaft (8) front end in described eccentric shaft mechanism is fixed with gear by bearing pin, and the planetary gear (10) of described input shaft (9) front end is meshed with described gear and contacts.
3. a kind of planet cycloid speed reducer according to claim 1 and 2, it is characterized in that, described mainshaft mechanism and eccentric shaft mechanism pass through upper bed-plate (3) and lower bottom base (4) fixed position, described upper bed-plate (3) and lower bottom base (4) are installed on described bottom (1) and the inside of shell (2), described upper bed-plate (3) is located away from motor (19), and described lower bottom base (4) is located proximate to motor (19).
4. a kind of planet cycloid speed reducer according to claim 3, it is characterized in that, it is provided with the first cycloid piece (5) and the second cycloid piece (6) side by side between described upper bed-plate (3) and lower bottom base (4), one needle roller (7) is placed on two cycloid piece outer rings, a circle needle roller groove is had inside described shell (2), described needle roller (7) outer ring is stuck in inside described needle roller groove, and getting on the bus with the contact surface of needle roller (7) in described needle roller groove has ripple.
5. a kind of planet cycloid speed reducer according to claim 4, it is characterized in that, described upper bed-plate (3), the first cycloid piece (5), needle roller (7) and shell (2) cross an area of space and are set to bearing position, 3rd bearing (12) is fixed in described bearing position, and described lower bottom base (4), the second cycloid piece (6), needle roller (7) and shell (2) surround bearing position and equally place specification identical 3rd bearing (12).
6. a kind of planet cycloid speed reducer according to claim 1, it is characterized in that, it is cased with second bearing (13) on input shaft (9) in described mainshaft mechanism, it is internal that described second bearing (13) is installed on described bottom (1), one first outside framework oil seal (16) is also cased with described input shaft (9), described first outside framework oil seal is installed on described bottom (1) inside, and described first outside framework oil seal (16) is installed between a 3rd bearing (12) and described motor (19).
7. a kind of planet cycloid speed reducer according to claim 1 is cased with fourth bearing (11) it is characterised in that described input shaft (9) is upper at gear mechanism end of engagement.
8. a kind of planet cycloid speed reducer according to claim 4, it is characterized in that, two groups of clutch shaft bearings (14) are cased with the eccentric shaft (8) in described eccentric shaft mechanism, described in two groups, clutch shaft bearing (14) is individually fixed in inside upper bed-plate and lower bottom base；Needle bearing (15) is also cased with described eccentric shaft (8), it is internal that described needle bearing (15) is fixed on the first cycloid piece (5).
9. a kind of planet cycloid speed reducer according to claim 3, it is characterized in that, the second outside framework oil seal (17) is accompanied, described second outside framework oil seal (17) is provided close at gear mechanism end of engagement between described shell (2) and described upper bed-plate (3).
10. a kind of planet cycloid speed reducer according to claim 1 is it is characterised in that have cannelure on shell (2) end face that contacts with described bottom (1), o type circle (18) is installed in cannelure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520937540.2U CN205896048U (en) | 2015-11-20 | 2015-11-20 | Planet cycloidal reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520937540.2U CN205896048U (en) | 2015-11-20 | 2015-11-20 | Planet cycloidal reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205896048U true CN205896048U (en) | 2017-01-18 |
Family
ID=57764887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520937540.2U Active CN205896048U (en) | 2015-11-20 | 2015-11-20 | Planet cycloidal reducer |
Country Status (1)
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|---|---|
| CN (1) | CN205896048U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763522A (en) * | 2015-11-20 | 2017-05-31 | 广州市增城恒亿机械厂 | Planet cycloid speed reducer |
| CN106801722A (en) * | 2017-03-14 | 2017-06-06 | 洁誉科技（上海）股份有限公司 | A kind of novel robot reductor |
| CN111005987A (en) * | 2019-11-29 | 2020-04-14 | 海尚集团有限公司 | Differential cycloidal pin gear speed changing device |
-
2015
- 2015-11-20 CN CN201520937540.2U patent/CN205896048U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763522A (en) * | 2015-11-20 | 2017-05-31 | 广州市增城恒亿机械厂 | Planet cycloid speed reducer |
| CN106801722A (en) * | 2017-03-14 | 2017-06-06 | 洁誉科技（上海）股份有限公司 | A kind of novel robot reductor |
| CN106801722B (en) * | 2017-03-14 | 2019-02-15 | 洁誉科技（上海）股份有限公司 | A kind of novel robot speed reducer |
| CN111005987A (en) * | 2019-11-29 | 2020-04-14 | 海尚集团有限公司 | Differential cycloidal pin gear speed changing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |