CN220523250U - Micro return difference precision speed reducer for robot - Google Patents
Micro return difference precision speed reducer for robot Download PDFInfo
- Publication number
- CN220523250U CN220523250U CN202322305746.0U CN202322305746U CN220523250U CN 220523250 U CN220523250 U CN 220523250U CN 202322305746 U CN202322305746 U CN 202322305746U CN 220523250 U CN220523250 U CN 220523250U
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- speed reducer
- side wall
- outer side
- flange plate
- return difference
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a micro return difference precision speed reducer for a robot, which relates to the technical field of speed reducer installation and comprises a speed reducer body, wherein two rotating shafts are rotatably connected to the outer side wall of the speed reducer body, a shaft sleeve is movably connected to the outer side wall of the rotating shafts, a connecting disc is fixedly connected to the outer side wall of the speed reducer body, a first flange plate is fixedly connected to the outer side wall of the connecting disc, and a second flange plate is arranged on the outer side of the first flange plate.
Description
Technical Field
The utility model relates to the technical field of speed reducer installation, in particular to a micro return difference precise speed reducer for a robot.
Background
The precise speed reducer is a power transmission mechanism, which utilizes a speed converter of a gear to reduce the revolution number of a motor to a required revolution number and obtain a device with larger torque, the return difference is the variation of the speed reducer, the micro return difference precise speed reducer has better transmission precision, and the movement of limbs and other joints of the industrial robot is realized by connecting the speed reducer through a driving device.
In the prior art, as disclosed in chinese patent CN1368422a, an industrial robot micro return difference speed reducer is disclosed, and the device makes a major improvement on the cycloidal speed reducer structure according to the principle that two gears are staggered by a small angle to eliminate the gap between teeth: the original duplex eccentric bearing is disconnected into two bearings, when the speed reducer is in a static state, the two eccentric bearings deflect a small angle relatively, so that the two cycloidal gear teeth and the needle teeth are always in an engaged state, and the gap between teeth is eliminated.
However, in the prior art, because the working environment of the robot is complex, dust is densely distributed in the environment sometimes, after the robot is used for a long time, dust and impurities can enter the reducer from the transmission shaft and the shaft sleeve, if the shaft sleeve is not maintained for a long time, the transmission efficiency of the reducer can be affected, but the shaft sleeve of the existing reducer is complex to install, and the process of each time of disassembly and assembly is very complicated, so that the maintenance process of the shaft sleeve is more troublesome, and the normal work of the robot is affected.
Disclosure of Invention
The utility model aims to solve the problems that the existing reducer shaft sleeve is complex to install and the process of assembling and disassembling each time is very complicated in the prior art, so that the maintenance process of the shaft sleeve is relatively troublesome and the normal work of a robot is affected, and provides a micro return difference precise reducer for the robot.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a little time difference precision reducer for robot, includes the speed reducer body, the lateral wall of speed reducer body rotates and is connected with two axis of rotation, the lateral wall swing joint of axis of rotation has the axle sleeve, the lateral wall fixedly connected with connection pad of speed reducer body, the lateral wall fixedly connected with first ring flange of connection pad, the outside of first ring flange is provided with the second ring flange, the mounting groove has been seted up to the lateral wall central point department of second ring flange, the through-hole has been seted up to the lateral wall of second ring flange, the through-hole inside wall rotates and is connected with the screw thread post, the screw thread groove has been seted up to the lateral wall of first ring flange, the lateral wall of screw thread post with screw thread groove threaded connection.
Preferably, one end of the threaded column is fixedly connected with an outer hexagonal knob, and the other end of the threaded column is fixedly connected with a limiting plate.
Preferably, the outer side wall of the outer hexagonal knob is provided with anti-skid stripes, so that the friction force between the outer hexagonal knob and the palm is increased and adjusted, and the outer hexagonal knob can be adjusted by a spanner or directly by hands.
Preferably, the side wall of the connecting disc is provided with a movable groove, and the limiting plate is movably connected with the movable groove.
Preferably, the inner diameter of the movable groove is larger than the inner diameter of the threaded groove, and the inner diameter of the through hole is larger than the outer diameter of the threaded column.
Preferably, lubricating oil is smeared between the rotating shaft and the shaft sleeve, the rotating resistance between the rotating shaft and the shaft sleeve is reduced, and the output power of the motor is improved.
Preferably, the outer side walls of the first flange plate and the second flange plate are coated with an anti-rust coating.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the utility model, the outer hexagonal knob is rotated to drive the threaded column to move outwards, a gap is formed between the second flange plate and the first flange plate, the shaft sleeve is pulled out from the port of the rotating shaft, and the threaded column is still connected to the threaded groove of the first flange plate at the moment, so that the shaft sleeve can be reinstalled after cleaning, the effect of quickly disassembling and assembling the rotating shaft and the shaft sleeve is realized, the integral speed of disassembling and assembling the shaft sleeve is increased, and the maintenance portability of the shaft sleeve is improved.
2. According to the utility model, the limiting plate is arranged at one end of the threaded column, and the outer hexagonal knob is arranged at the other end of the threaded column, so that the threaded column is connected between the first flange plate and the second flange plate without separation, and the problem that parts fall off is avoided because the outer diameter of the limiting plate is larger than the inner diameter of the threaded groove, the outer diameter of the limiting plate is smaller than the inner diameter of the movable groove, and the size of the outer hexagonal knob is larger than the size of the through hole.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a micro return difference precision speed reducer for a robot;
FIG. 2 is a schematic diagram of the outer side structure of a connecting disc in the micro return difference precision speed reducer for the robot;
FIG. 3 is a diagram showing the explosion effect of the connecting disc, the first flange and the second flange in the micro return difference precision speed reducer for the robot;
fig. 4 is another view angle explosion effect diagram of the connecting disc, the first flange disc and the second flange disc in the micro return difference precise speed reducer for the robot.
Legend description: 1. a speed reducer body; 2. a connecting disc; 3. a first flange; 4. a second flange; 5. a rotating shaft; 6. an outer hexagonal knob; 7. a through hole; 8. a mounting groove; 9. a thread groove; 10. a limiting plate; 11. a threaded column; 12. a shaft sleeve; 13. a movable groove.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Example 1
As shown in fig. 1-4, the utility model provides a micro return difference precision speed reducer for a robot, which comprises a speed reducer body 1, wherein two rotating shafts 5 are rotatably connected to the outer side wall of the speed reducer body 1, a shaft sleeve 12 is movably connected to the outer side wall of the rotating shafts 5, a connecting disc 2 is fixedly connected to the outer side wall of the speed reducer body 1, a first flange plate 3 is fixedly connected to the outer side wall of the connecting disc 2, a second flange plate 4 is arranged on the outer side of the first flange plate 3, a mounting groove 8 is formed in the center position of the side wall of the second flange plate 4, a through hole 7 is formed in the side wall of the second flange plate 4, a threaded column 11 is rotatably connected to the inner side wall of the through hole 7, a threaded groove 9 is formed in the side wall of the first flange plate 3, and the outer side wall of the threaded column 11 is in threaded connection with the threaded groove 9.
The specific arrangement and action of the embodiment are specifically described below, the outer side wall of the speed reducer body 1 is connected with two rotating shafts 5, one of the rotating shafts 5 is an input shaft, the input shaft is connected with a motor, the other rotating shaft 5 is an output shaft, the output shaft is connected with a movable joint of the robot, when the robot is used for a period of time, dust in the external environment can enter the speed reducer, and as the output end and the input end of the speed reducer are sealed through flanges, dust can be accumulated on the outer side wall of the rotating shaft 5;
in order to reduce the resistance generated when the rotating shaft 5 and the shaft sleeve 12 rotate, the shaft sleeve 12 needs to be removed from the rotating shaft 5 at regular time to increase the lubricating oil smeared on the inner side wall of the shaft sleeve 12 and clean dust accumulated in the original shaft sleeve 12, and when the shaft sleeve 12 is maintained at regular time, the second flange 4 and the first flange 3 need to be disassembled so as to facilitate the shaft sleeve 12 to be removed from the rotating shaft 5;
when the shaft sleeve 12 is disassembled and assembled, the threaded column 11 is rotated firstly, and the threaded column 11 is in threaded connection with the threaded groove 9, so that the threaded column 11 moves outwards, the threaded column 11 drives the second flange 4 to be far away from the first flange 3, a gap is formed between the second flange 4 and the first flange 3, a port of the rotating shaft 5 is positioned between the first flange 3 and the second flange 4, the shaft sleeve 12 is pulled out from the port of the rotating shaft 5, the effect of quick disassembly and assembly of the shaft sleeve 12 is realized, a plurality of threaded columns 11 are still connected to the outer side of the first flange 3, and a procedure of repositioning screws during subsequent flange installation is avoided, so that the integral speed of disassembling and assembling the shaft sleeve 12 is increased.
Example two
As shown in fig. 3 and 4, one end of the threaded column 11 is fixedly connected with an outer hexagonal knob 6, and the other end of the threaded column 11 is fixedly connected with a limiting plate 10. The outer side wall of the outer hexagonal knob 6 is provided with anti-slip stripes. The side wall of the connecting disc 2 is provided with a movable groove 13, and the limiting plate 10 is movably connected with the movable groove 13. The inner diameter of the movable groove 13 is larger than that of the thread groove 9, and the inner diameter of the through hole 7 is larger than that of the thread post 11. Lubricating oil is smeared between the rotating shaft 5 and the shaft sleeve 12. The outer side walls of the first flange plate 3 and the second flange plate 4 are coated with an anti-rust coating.
The effect that its whole embodiment reached is, through setting up limiting plate 10 in the one end of screw post 11, wherein the external diameter of limiting plate 10 is greater than the internal diameter of screw groove 9, and the external diameter of limiting plate 10 is less than the internal diameter of movable groove 13, make movable groove 13 carry out spacingly to limiting plate 10, limiting plate 10 plays the effect of connecting screw post 11, avoid screw post 11 to break away from the problem that the inside of first ring flange 3 breaks away from, screw post 11 still is connected with first ring flange 3 when this realization demolish second ring flange 4, the problem of screw relocation in the follow-up installation has been avoided, set up outer hexagonal knob 6 at the other end of screw post 11, outer hexagonal knob 6 is spacing to the position of second ring flange 4, make screw post 11 can not break away from the surface of second ring flange 4, through scribbling lubricating oil between axis of rotation 5 and axle sleeve 12, reduce the resistance of rotation between axis of rotation 5 and the axle sleeve 12, the output of motor has been promoted, make the robot whole more energy-conserving, the life of robot part has also been prolonged.
The application method and the working principle of the device are as follows: when dust between the shaft sleeve 12 and the rotating shaft 5 is cleaned, the outer hexagonal knob 6 buckled on the outer side of the second flange 4 is rotated after a wrench, the outer hexagonal knob 6 drives the threaded column 11 to rotate, the threaded column 11 moves outwards, a gap is formed between the second flange 4 and the first flange 3, and a port of the rotating shaft 5 is positioned between the first flange 3 and the second flange 4;
one end of the threaded column 11 is provided with a limiting plate 10, the limiting plate 10 is limited by the movable groove 13, the limiting plate 10 plays a role in connecting the threaded column 11, the other end of the threaded column 11 is provided with an outer hexagonal knob 6, the position of the second flange 4 is limited, the threaded column 11 is connected with the second flange 4, and the shaft sleeve 12 is pulled out from the port of the rotating shaft 5 under the condition that the threaded column 11 is kept connected;
after the shaft sleeve 12 is taken down from the rotating shaft 5, impurities on the inner side wall of the shaft sleeve 12 are cleaned, lubricating oil is added on the inner wall of the shaft sleeve 12, and the maintained shaft sleeve 12 is sleeved on the rotating shaft 5 again;
then, the rotating shaft 5 is aligned with the middle through hole of the second flange plate 4, the outer hexagonal knob 6 is rotated by utilizing a wrench, the outer hexagonal knob 6 drives the threaded column 11 to be screwed into the threaded groove 9, the threaded column 11 drives the limiting plate 10 at the inner end to extend into the movable groove 13 until the second flange plate 4 is buckled on the outer side of the first flange plate 3, the shaft sleeve 12 is arranged in the mounting groove 8 at the moment, the limiting plate 10 abuts against the inner wall of the movable groove 13, and the fixation of the rotating shaft 5 and the shaft sleeve 12 is completed.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a little return difference precision reducer for robot, includes speed reducer body (1), its characterized in that: the novel speed reducer comprises a speed reducer body (1), wherein two rotating shafts (5) are rotatably connected to the outer side wall of the speed reducer body (1), a shaft sleeve (12) is movably connected to the outer side wall of the rotating shafts (5), a connecting disc (2) is fixedly connected to the outer side wall of the speed reducer body (1), a first flange plate (3) is fixedly connected to the outer side wall of the connecting disc (2), a second flange plate (4) is arranged on the outer side of the first flange plate (3), an installation groove (8) is formed in the center position of the side wall of the second flange plate (4), a through hole (7) is formed in the side wall of the second flange plate (4), a threaded column (11) is rotatably connected to the inner side wall of the through hole (7), a threaded groove (9) is formed in the side wall of the first flange plate (3), and the outer side wall of the threaded column (11) is in threaded connection with the threaded groove (9).
2. The micro return difference precision speed reducer for a robot according to claim 1, wherein: one end of the threaded column (11) is fixedly connected with an outer hexagonal knob (6), and the other end of the threaded column (11) is fixedly connected with a limiting plate (10).
3. The micro return difference precision speed reducer for a robot according to claim 2, wherein: the outer side wall of the outer hexagonal knob (6) is provided with anti-skid stripes.
4. The micro return difference precision speed reducer for a robot according to claim 2, wherein: the side wall of the connecting disc (2) is provided with a movable groove (13), and the limiting plate (10) is movably connected with the movable groove (13).
5. The micro return difference precision speed reducer for a robot according to claim 4, wherein: the inner diameter of the movable groove (13) is larger than that of the threaded groove (9), and the inner diameter of the through hole (7) is larger than that of the threaded column (11).
6. The micro return difference precision speed reducer for a robot according to claim 1, wherein: lubricating oil is smeared between the rotating shaft (5) and the shaft sleeve (12).
7. The micro return difference precision speed reducer for a robot according to claim 1, wherein: the outer side walls of the first flange plate (3) and the second flange plate (4) are coated with an anti-rust coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322305746.0U CN220523250U (en) | 2023-08-28 | 2023-08-28 | Micro return difference precision speed reducer for robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322305746.0U CN220523250U (en) | 2023-08-28 | 2023-08-28 | Micro return difference precision speed reducer for robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220523250U true CN220523250U (en) | 2024-02-23 |
Family
ID=89929197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322305746.0U Active CN220523250U (en) | 2023-08-28 | 2023-08-28 | Micro return difference precision speed reducer for robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220523250U (en) |
-
2023
- 2023-08-28 CN CN202322305746.0U patent/CN220523250U/en active Active
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