CN212899562U - Robot joint planetary reducer - Google Patents
Robot joint planetary reducer Download PDFInfo
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- CN212899562U CN212899562U CN202021707486.XU CN202021707486U CN212899562U CN 212899562 U CN212899562 U CN 212899562U CN 202021707486 U CN202021707486 U CN 202021707486U CN 212899562 U CN212899562 U CN 212899562U
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Abstract
The utility model provides a robot joint planetary reducer, which comprises an inner gear ring, an input flange, an input shaft, a speed reduction assembly and an output part; the left end of the inner gear ring is provided with a first counter bore, and the right end of the inner gear ring is provided with a second counter bore; the input flange is arranged in the second counter bore and is fixedly connected with the inner gear ring; the right end of the input flange is provided with a first screw hole; the input shaft is arranged in the input flange through a first bearing; the right end of the input shaft is provided with a second screw hole; the output piece is arranged in the first counter bore through a second bearing; the left end of the output part is provided with a third screw hole; the speed reducing component is arranged between the input shaft and the output member and is in transmission connection with the inner gear ring; embodies the utility model discloses a shorten holistic length in order to be fit for more installation positions.
Description
Technical Field
The utility model relates to a planetary reducer technical field, in particular to robot joint planetary reducer.
Background
Planetary reducer application is in the robot joint, under the prerequisite of guaranteeing stability, holistic length is shorter more, then adaptable more different installation positions, and the structure of novel reduction gear input and output is outside the protrusion ring gear in the past to holistic length has been prolonged, consequently still need improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a robot joint planetary reducer mentions the problem in order to solve the background art.
In order to achieve the above object, the present invention provides the following technical solutions:
a robot joint planetary reducer comprises an inner gear ring, an input flange, an input shaft, a speed reduction assembly and an output member; the left end of the inner gear ring is provided with a first counter bore, and the right end of the inner gear ring is provided with a second counter bore; the input flange is arranged in the second counter bore and is fixedly connected with the inner gear ring; the right end of the input flange is provided with a first screw hole; the input shaft is arranged in the input flange through a first bearing; the right end of the input shaft is provided with a second screw hole; the output piece is arranged in the first counter bore through a second bearing; the left end of the output part is provided with a third screw hole; the speed reduction assembly is installed between the input shaft and the output member and is in transmission connection with the inner gear ring.
For further description of the present invention, the output member is a secondary planet carrier; the speed reduction assembly comprises a primary sun wheel, a primary planet carrier, a secondary sun wheel and a secondary planet wheel; the primary sun gear is arranged at the center of the left side of the input shaft; the primary planet carrier is arranged in the inner gear ring; the three primary planet gears are arranged and are respectively arranged on the right side of the primary planet carrier through needle rollers; the three primary planet wheels are respectively meshed with a primary inner gear ring of the sun wheel; the secondary sun gear is arranged at the center of the left side of the primary planet carrier; the four secondary planet wheels are arranged and are respectively arranged on the right side of the output part through needle rollers.
For further description of the utility model, the outer surface of the left end of the inner gear ring is provided with a plurality of bosses which are distributed at intervals; a clamping groove is formed between every two adjacent bosses; and a fourth screw hole is formed in the outer side of the inner gear ring corresponding to the second bearing.
It is right to the utility model discloses a further description, the boss sets up four, the fourth screw sets up four and corresponds the setting respectively in four boss position departments.
The utility model is further described, which also comprises an output shaft pressure plate; the left center of the output part is provided with a connecting part; a connecting hole is formed in the center of the connecting part; the third screw holes are distributed on the periphery of the connecting hole; the output shaft pressing plate is sleeved on the connecting part and pushes against the output part and the second bearing; the output shaft pressing plate is fixedly connected with the output part.
The utility model has the advantages that:
the utility model discloses a both ends have set up first counter bore and second counter bore respectively and have installed output and input flange about ring gear to can save space, shorten overall structure's length, thereby can adapt to more installation positions.
Drawings
FIG. 1 is an overall structure of the present invention;
fig. 2 is a right side view of the ring gear of the present invention.
Detailed Description
The invention is further explained below with reference to the drawings:
as shown in fig. 1-2, a robot joint planetary reducer comprises an inner gear ring 1, an input flange 2, an input shaft 3, a speed reduction assembly 4 and an output member 5; the left end of the inner gear ring 1 is provided with a first counter bore, and the right end of the inner gear ring is provided with a second counter bore; the input flange 2 is arranged in the second counter bore and is fixedly connected with the inner gear ring 1 through screws; the right end of the input flange 2 is provided with a first screw hole 21; the input shaft 3 is arranged in the input flange 2 through a first bearing 6; the right end of the input shaft 3 is provided with a second screw hole 31; the output member 5 is mounted in the first counter bore through a second bearing 7; the left end of the output piece 5 is provided with a third screw hole 51; the speed reducing assembly 4 is arranged between the input shaft 3 and the output member 5 and is in transmission connection with the inner gear ring 1; the first screw hole 21, the second screw hole 31 and the third screw hole 51 are respectively used for being fixedly connected with the robot through screws, when the robot is installed and used, the output part 5 is installed at the fixed end of the robot, the power end of the motor is connected with the input shaft 3, and the inner gear ring 1 and the input flange 2 are connected with the movable part of the robot for the power output end to drive the movable part to move.
The output part 5 is a secondary planet carrier; the speed reduction assembly 4 comprises a primary sun gear 41, a primary planet gear 42, a primary planet carrier 43, a secondary sun gear 44 and a secondary planet gear 45; the primary sun gear 41 is arranged at the center of the left side of the input shaft 3; the primary planet carrier 43 is arranged in the internal gear ring 1; three primary planet gears 42 are arranged and are respectively arranged on the right side of the primary planet carrier 43 through needle rollers; the three primary planet gears 42 are respectively meshed with the primary inner gear ring 1 of the sun gear; the secondary sun gear 44 is arranged at the left center of the primary planet carrier 43; four secondary planet wheels 45 are arranged and are respectively arranged on the right side of the output part 5 through needle rollers; this embodiment has the second grade effect of slowing down, and the holistic length of this structure can be 46mm, and the external diameter is 60mm, and the external diameter is little, and length is short, is fit for each joint installation, and the output adopts four second grade planet wheels 45 to support moreover, and the bearing capacity is big, and stability is strong.
The outer surface of the left end of the inner gear ring 1 is provided with a plurality of bosses 11 which are distributed at intervals; a clamping groove 13 is formed between every two adjacent bosses; the outer side of the inner gear ring 1 corresponding to the second bearing 7 is provided with four fourth screw holes 12, in the design, the bosses 11 are four, the four fourth screw holes 12 are four and are respectively correspondingly arranged at the positions of the four bosses 11, the joint moving part of the robot is inserted into a clamping groove 13 of the inner gear ring, then the robot penetrates through a screw to penetrate through a moving part to be locked in the fourth screw holes 12 and is pressed against the second bearing 7, so that the locking effect of the moving part is achieved, and the second bearing 7 can be pressed to achieve a fixing effect.
The output shaft pressing plate 8 is also included; the output piece 5 is provided with a connecting part 501 at the left center position; the connecting part 501 is provided with a connecting hole 52 at the center; the third screw holes 51 are distributed on the periphery of the connecting hole 52; the output shaft pressing plate 8 is sleeved on the connecting part 501 and pushes against the output part 5 and the second bearing 7; the output shaft pressing plate 8 is fixedly connected with the output part 5; the output piece 5 is installed and positioned through the connecting hole 52, the third screw hole 51 is fixed, and the processing difficulty of the output piece 5 is reduced due to the arrangement of the output shaft pressing plate 8.
The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a robot joint planetary reducer which characterized in that: the gear transmission mechanism comprises an inner gear ring, an input flange, an input shaft, a speed reduction assembly and an output piece; the left end of the inner gear ring is provided with a first counter bore, and the right end of the inner gear ring is provided with a second counter bore; the input flange is arranged in the second counter bore and is fixedly connected with the inner gear ring; the right end of the input flange is provided with a first screw hole; the input shaft is arranged in the input flange through a first bearing; the right end of the input shaft is provided with a second screw hole; the output piece is arranged in the first counter bore through a second bearing; the left end of the output part is provided with a third screw hole; the speed reduction assembly is installed between the input shaft and the output member and is in transmission connection with the inner gear ring.
2. The robot joint planetary reducer according to claim 1, characterized in that: the output part is a secondary planet carrier; the speed reduction assembly comprises a primary sun wheel, a primary planet carrier, a secondary sun wheel and a secondary planet wheel; the primary sun gear is arranged at the center of the left side of the input shaft; the primary planet carrier is arranged in the inner gear ring; the three primary planet gears are arranged and are respectively arranged on the right side of the primary planet carrier through needle rollers; the three primary planet wheels are respectively meshed with a primary inner gear ring of the sun wheel; the secondary sun gear is arranged at the center of the left side of the primary planet carrier; the four secondary planet wheels are arranged and are respectively arranged on the right side of the output part through needle rollers.
3. The robot joint planetary reducer according to claim 1, characterized in that: the outer surface of the left end of the inner gear ring is provided with a plurality of bosses which are distributed at intervals; a clamping groove is formed between every two adjacent bosses; and a fourth screw hole is formed in the outer side of the inner gear ring corresponding to the second bearing.
4. The robot joint planetary reducer according to claim 3, characterized in that: the boss sets up four, the fourth screw sets up four and corresponds the setting respectively and locates four boss positions.
5. The robot joint planetary reducer according to claim 1, characterized in that: the output shaft pressing plate is also included; the left center of the output part is provided with a connecting part; a connecting hole is formed in the center of the connecting part; the third screw holes are distributed on the periphery of the connecting hole; the output shaft pressing plate is sleeved on the connecting part and pushes against the output part and the second bearing; the output shaft pressing plate is fixedly connected with the output part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021707486.XU CN212899562U (en) | 2020-08-17 | 2020-08-17 | Robot joint planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021707486.XU CN212899562U (en) | 2020-08-17 | 2020-08-17 | Robot joint planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899562U true CN212899562U (en) | 2021-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021707486.XU Active CN212899562U (en) | 2020-08-17 | 2020-08-17 | Robot joint planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899562U (en) |
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2020
- 2020-08-17 CN CN202021707486.XU patent/CN212899562U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 5, Lingang Road, Wangniudun, Dongguan, Guangdong 523000 Patentee after: DONGGUAN ZHUOLAN AUTOMATION EQUIPMENT Co.,Ltd. Address before: No.17 Zhifu Road, Mowu community, Wanjiang District, Dongguan City, Guangdong Province 523000 Patentee before: DONGGUAN ZHUOLAN AUTOMATION EQUIPMENT Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |