CN111207183A - Miniature RV speed reducer - Google Patents
Miniature RV speed reducer Download PDFInfo
- Publication number
- CN111207183A CN111207183A CN201811395273.5A CN201811395273A CN111207183A CN 111207183 A CN111207183 A CN 111207183A CN 201811395273 A CN201811395273 A CN 201811395273A CN 111207183 A CN111207183 A CN 111207183A
- Authority
- CN
- China
- Prior art keywords
- cover
- sleeved
- miniature
- reducer
- input gear
- 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.)
- Withdrawn
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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)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a micro RV reducer, which comprises a machine shell, a machine cover, an eccentric shaft, an input gear shaft, a planetary gear, a roller pin, a first connecting piece, a second connecting piece, an output flange, a first angular contact ball bearing, a swinging wire disc, a second angular contact ball bearing and a gland, wherein the machine cover is connected to one side of the machine shell through the first connecting piece, through holes for penetrating an input gear shaft are respectively arranged on the machine cover and the gland, slotted holes for penetrating the eccentric shaft are respectively arranged on the output flange, the swinging wire disc and the gland, the planetary gear is sleeved at one end of the eccentric shaft close to the machine cover, the other end of the eccentric shaft is connected with an end cover oil seal, a linkage gear matched with the planetary gear is sleeved on the periphery of the input gear shaft, a part of the input gear shaft extends out of the machine cover, framework oil seals are respectively sleeved between the, the periphery of the cycloid disc is provided with a plurality of rolling needles, and the inner wall of the machine shell is provided with rolling grooves matched with the rolling needles.
Description
Technical Field
The invention relates to the field of industrial manufacturing automation, in particular to a miniature RV reducer.
Background
Most suppliers of the wrist structures of the existing light-load robots (rated load 10KG and below) adopt harmonic reducers for reducing speed, the advantages of the harmonic reducers are not good, but the disadvantages of the harmonic reducers are obvious, namely, the rigidity is weaker than RV, the service life is short, the failure rate is high, the manufacturing cost is high, the supply quantity of finished products is limited by the production bottleneck, and the like. This company is because product sexual valence relative altitude, and market share constantly improves, and the product supply volume gradually becomes the shipment bottleneck, and but the purchase volume and the supply volume of harmonic product are the bottleneck in the bottleneck, and basic this background of going out, this patent provides a miniature RV speed reducer structure to satisfy the production demand.
Disclosure of Invention
The invention aims to solve the technical problem of providing a miniature RV reducer, which has a fully-closed structure, simplifies the assembly of robot products, reduces the production cost, has a simple structure, is convenient to use and is used for solving the defects caused by the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: a miniature RV reducer, wherein, includes casing, cover, eccentric shaft, input gear axle, planetary gear, kingpin, first connecting piece, second connecting piece and by the casing to set gradually in the cover direction in the inside output flange of casing, first angular contact ball bearing, cycloid dish, second angular contact ball bearing, gland, the cover passes through first connecting piece is connected in one side of casing, the cover with all be equipped with the through-hole that supplies the input gear axle to wear to establish on the gland, output flange, cycloid dish, all be equipped with the slotted hole that supplies the eccentric shaft to wear to establish on the gland, planetary gear overlaps and locates the eccentric shaft is close to the one end of cover, the other end of eccentric shaft is connected and is equipped with the end cover oil blanket, the peripheral cover of input gear axle is equipped with the linkage gear who matches planetary gear, the input gear shaft partially extends out of the cover, the output flange is connected with the gland through the second connecting piece, a plurality of roller pins are arranged on the periphery of the cycloid disc, and rolling grooves matched with the roller pins are formed in the inner wall of the machine shell.
The miniature RV reducer is characterized in that two eccentric shafts are arranged inside the casing, the two eccentric shafts are symmetrically arranged on two sides of the input gear shaft, and each eccentric shaft is sleeved with a planetary gear connected with the linkage gear in a matched mode.
In the above miniature RV reducer, a needle bearing is sleeved at one end of the eccentric shaft close to the end cover oil seal, and a first deep groove ball bearing sleeved on the eccentric shaft is arranged between the end cover oil seal and the needle bearing;
a first framework oil seal connected to the cover is sleeved on the input gear shaft, and a second deep groove ball bearing sleeved on the input gear shaft is arranged between the first framework oil seal and the linkage gear;
the periphery cover of output flange be equipped with connect in the second skeleton oil blanket of casing.
In the miniature RV reducer, the two ends of the first deep groove ball bearing are provided with retainer rings for holes sleeved on the eccentric shaft, and the periphery of the needle bearing is sleeved with a bearing outer ring.
In the miniature RV reducer, two sides of the planetary gear are provided with the shaft retainer rings.
The miniature RV reducer is characterized in that the output flange faces one side of the cover and is provided with a fixing piece which penetrates through the cycloid disc and is connected with the gland, and the gland passes through the second connecting piece and is connected with the fixing piece.
The miniature RV reducer is characterized in that a fixing hole penetrates through the circle center of the output flange, and the end cover oil seal is arranged inside the fixing hole.
The miniature RV reducer is characterized in that the number of the first connecting pieces is four, and the number of the second connecting pieces is four.
According to the technical scheme provided by the invention, the effect is as follows: the totally closed structure simplifies the assembly of robot products, reduces the production cost, and has simple structure and convenient use.
Drawings
FIG. 1 is a schematic structural view of a miniature RV reducer according to the present invention;
fig. 2 is a schematic sectional view of a miniature RV reducer according to the present invention.
Wherein the reference numbers are as follows: the machine shell 101, the machine cover 102, the input gear shaft 103, the first connecting piece 104, the eccentric shaft 201, the planetary gear 202, the needle roller 203, the fixing hole 204, the output flange 205, the first angular contact ball bearing 206, the cycloid disc 207, the second angular contact ball bearing 208, the end cover oil seal 209, the linkage gear 210, the needle roller bearing 211, the first deep groove ball bearing 212, the first framework oil seal 213, the second deep groove ball bearing 214, the second framework oil seal 215, the hole retainer 216, the bearing outer ring 217 and the shaft retainer 218.
Detailed Description
In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.
A preferred embodiment of the present invention provides a miniature RV reducer, aiming to simplify the assembly of robot products, reduce production cost, and have a simple structure and convenient use by adopting a fully-enclosed structure.
As shown in fig. 1-2, a miniature RV reducer comprises a housing 101, a cover 102, an eccentric shaft 201, an input gear shaft 103, a planetary gear 202, a needle 203, a first connecting member 104, a second connecting member, an output flange 205, a first angular contact ball bearing 206, a cycloid disc 207, a second angular contact ball bearing 208 and a gland which are sequentially arranged in the housing 101 in the direction from the housing 101 to the cover 102, wherein the cover 102 is connected to one side of the housing 101 through the first connecting member 104, the cover 102 and the gland are respectively provided with a through hole for the input gear shaft 103 to pass through, the output flange 205, the cycloid disc 207 and the gland are respectively provided with a slot hole for the eccentric shaft 201 to pass through, the planetary gear 202 is sleeved at one end of the eccentric shaft 201 close to the cover 102, the other end of the eccentric shaft 201 is connected with an end cover oil seal 209, the periphery of the input gear shaft 103 is sleeved with, the input gear shaft 103 partially extends out of the cover 102, framework oil seals are sleeved between the input gear shaft 103 and the cover 102 and between the output flange 205 and the casing 101, the output flange 205 is connected with a gland through a second connecting piece, a plurality of roller pins 203 are arranged on the periphery of the cycloid disc 207, and rolling grooves matched with the roller pins 203 are formed in the inner wall of the casing 101.
According to the miniature RV reducer provided by the embodiment, two eccentric shafts 201 are arranged in the shell 101, the two eccentric shafts 201 are symmetrically arranged on two sides of the input gear shaft 103, and each eccentric shaft 201 is sleeved with a planetary gear 202 connected to the linkage gear 210 in a matching manner.
In the miniature RV reducer provided by this embodiment, a needle bearing 211 is sleeved on one end of an oil seal 209 at a proximal end cover of an eccentric shaft 201, and a first deep groove ball bearing 212 sleeved on the eccentric shaft 201 is arranged between the oil seal 209 at the end cover and the needle bearing 211;
the input gear shaft 103 is sleeved with a first framework oil seal 213 connected to the cover 102, and a second deep groove ball bearing 214 sleeved on the input gear shaft 103 is arranged between the first framework oil seal 213 and the linkage gear 210;
the outer periphery of the output flange 205 is sleeved with a second framework oil seal 215 connected to the casing 101.
In the miniature RV reducer provided in this embodiment, the two ends of the first deep groove ball bearing 212 are both provided with retaining rings 216 for holes sleeved on the eccentric shaft 201, and the periphery of the needle roller bearing 211 is sleeved with a bearing outer ring 217.
In the miniature RV reducer provided in this embodiment, the two sides of the planetary gear 202 are provided with the shaft retainers 218.
In the miniature RV reducer provided by this embodiment, the output flange 205 employed is provided with a fixing member penetrating through the cycloid disc 207 and connected with the gland on the side facing the cover 102, and the gland is connected with the fixing member through the second connecting member.
In the miniature RV reducer provided by this embodiment, a fixing hole 204 is provided at the center of the circle of the output flange 205, and an end cover oil seal 209 is provided inside the fixing hole 204.
In the miniature RV reducer provided in this embodiment, the number of the first connecting members 104 is four, and the number of the second connecting members is four.
In conclusion, the miniature RV reducer has the advantages that the assembly of robot products is simplified due to the totally-enclosed structure, the production cost is reduced, the structure is simple, and the miniature RV reducer is convenient to use.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.
Claims (8)
1. A miniature RV reducer is characterized by comprising a casing, a cover, an eccentric shaft, an input gear shaft, a planetary gear, a roller pin, a first connecting piece, a second connecting piece and a connecting cover, wherein the casing is sequentially arranged on an output flange, a first angular contact ball bearing, a swinging plate, a second angular contact ball bearing and a pressing cover which are arranged inside the casing in the direction of the cover, the cover is connected to one side of the casing through the first connecting piece, through holes for the input gear shaft to penetrate are respectively arranged on the cover and the pressing cover, slotted holes for the eccentric shaft to penetrate are respectively arranged on the output flange, the swinging plate and the pressing cover, the planetary gear is sleeved at one end of the eccentric shaft close to the cover, an end cover oil seal is connected with the other end of the eccentric shaft, and a linkage gear matched with the planetary gear is sleeved on the periphery of the input gear shaft, the input gear shaft partially extends out of the cover, the output flange is connected with the gland through the second connecting piece, a plurality of roller pins are arranged on the periphery of the cycloid disc, and rolling grooves matched with the roller pins are formed in the inner wall of the machine shell.
2. The miniature RV reducer according to claim 1, wherein said housing has two eccentric shafts disposed therein, said two eccentric shafts being symmetrically disposed on both sides of said input gear shaft, each of said eccentric shafts being sleeved with said planetary gear matingly connected to said linking gear.
3. The miniature RV reducer of claim 2 wherein a needle bearing is sleeved on an end of said eccentric shaft near said end cap oil seal, a first deep groove ball bearing sleeved on said eccentric shaft is provided between said end cap oil seal and said needle bearing;
a first framework oil seal connected to the cover is sleeved on the input gear shaft, and a second deep groove ball bearing sleeved on the input gear shaft is arranged between the first framework oil seal and the linkage gear;
the periphery cover of output flange be equipped with connect in the second skeleton oil blanket of casing.
4. The miniature RV reducer of claim 3 wherein both ends of said first deep groove ball bearing are provided with retainer rings for holes sleeved on said eccentric shaft, and the periphery of said needle roller bearing is sleeved with a bearing outer ring.
5. The miniature RV reducer of claim 4 wherein said planet gears are provided with axial collars on both sides.
6. The miniature RV reducer of claim 5 wherein said output flange is provided with a fastener extending through said cycloid disc and connected to said gland on a side facing said cover, said gland being connected to said fastener through said second connector.
7. The miniature RV reducer of claim 6, wherein a fixing hole is arranged at the center of the output flange in a penetrating manner, and the end cover oil seal is arranged in the fixing hole.
8. The miniature RV reducer of claim 7, wherein there are four of said first connectors and four of said second connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395273.5A CN111207183A (en) | 2018-11-21 | 2018-11-21 | Miniature RV speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395273.5A CN111207183A (en) | 2018-11-21 | 2018-11-21 | Miniature RV speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111207183A true CN111207183A (en) | 2020-05-29 |
Family
ID=70785835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811395273.5A Withdrawn CN111207183A (en) | 2018-11-21 | 2018-11-21 | Miniature RV speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111207183A (en) |
-
2018
- 2018-11-21 CN CN201811395273.5A patent/CN111207183A/en not_active Withdrawn
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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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220216 Address after: 242000 No. 8, baijianshan Road, Feicai office, Xuanzhou District, Xuancheng City, Anhui Province Applicant after: Anhui Yunhua Intelligent Equipment Co.,Ltd. Address before: 242000 No.8 baijianshan Road, Xuancheng economic and Technological Development Zone, Xuancheng City, Anhui Province Applicant before: Anhui huanting Intelligent Technology Co.,Ltd. |
|
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200529 |