High-precision planetary right-angle commutator
By driving the worm gear, right-angle gear and planetary gear with servo motor and stepper motor, the problem of convenient adjustment and stable transmission of high-precision planetary right-angle commutator is solved, and the stable operation of high-precision planetary right-angle commutator is achieved.
Patent Information
- Application Number
- CN202423053165.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing high-precision planetary right-angle commutators are not convenient for convenient rotation and position adjustment, and are difficult to electrically control and adjust the angle. In addition, abnormal noise and vibration are prone to occur during transmission, affecting stability.
A servo motor is used to drive the worm and worm gear to engage and drive the flip plate to rotate. The stepper motor is combined to drive the right-angle gear and planetary gear transmission to achieve precise angle adjustment and stable transmission. The coordination of the worm gear, right-angle gear and planetary gear achieves stable transmission of the high-precision planetary right-angle commutator.
It realizes convenient rotation adjustment and electric angle control of the high-precision planetary right-angle commutator, avoids abnormal noise and vibration during the transmission process, and improves operation stability.
Smart Images

Figure CN223331115U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of right-angle commutators, in particular to a high-precision planetary right-angle commutator. Background Art
[0002] Planetary reducer is a high-precision speed reduction device commonly used in mechanical transmission. It reduces the speed of the output shaft by slowing down the rotation of the input shaft and transmitting it to the output shaft. This deceleration method mainly utilizes the transmission coordination between the planetary gear and the sun gear and the planetary gear shaft. It has a strong deceleration ratio and transmission capacity. Compared with gear reduction, planetary reducer has higher gear meshing accuracy, large transmission speed ratio, strong load capacity, high transmission accuracy and high efficiency.
[0003] The multi-point uniform tight fit structure and the arc structure of the outer gear ring of the planetary reducer improve the tight fit and have high torque and impact resistance. The existing right-angle commutators of this type are generally not conducive to convenient rotation adjustment of the position during use, and are not convenient for electric control to adjust the angle. It is not convenient for efficient transmission during structural linkage, and abnormal noise and vibration are prone to occur during the transmission process, which greatly affects the stability of the high-precision planetary right-angle commutator during operation. Utility Model Content
[0004] The purpose of the present utility model is to provide a high-precision planetary right-angle commutator to solve the problems raised in the above-mentioned background technology, namely, that the right-angle commutator is not convenient for convenient rotation adjustment of the position, is not convenient for electric control adjustment of the angle, is not convenient for efficient transmission during structural linkage, and is prone to abnormal noise and vibration during transmission, which affects the stability of the high-precision planetary right-angle commutator during operation.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision planetary right-angle commutator, comprising a base and a flip plate, a flip plate being provided at the top of the base, support shafts being installed at both ends of the flip plate, and the support shafts being extended to the outside of the base, a worm gear being fitted on the surface of the support shaft, a rotating seat being installed at the center position of the top of the flip plate, a base being installed at the top of the rotating seat, a middle seat being installed at the top of the base, an upper seat being installed at the top of the middle seat, a drive shaft being installed at the center position of the top of the upper seat, and the drive shaft extending to the inside of the upper seat, a center shaft being installed at the center position of the inside of the rotating seat, a stepping motor being installed on the outer wall of the rotating seat, and a first right-angle tooth being installed at the output end of the stepping motor.
[0006] Preferably, a servo motor is mounted on the outer wall of the base on one side of the worm gear, and a worm is mounted on the output end of the servo motor.
[0007] Preferably, a second right-angle gear is mounted on the surface of the central axis on one side of the first right-angle gear, and the second right-angle gear is meshed with the first right-angle gear. A sun gear is provided at the center of the base, and the sun gear is connected to the central axis.
[0008] Preferably, a front planet carrier is provided inside the base, and a rear planet carrier is provided inside the upper seat.
[0009] Preferably, three sets of planetary shafts are installed with equal spacing between the front planetary carrier and the rear planetary carrier, and the surfaces of the planetary shafts are all equipped with planetary gears.
[0010] Preferably, an inner gear disc is mounted on the inner wall of the middle seat, and the inner gear disc is meshed with the planetary gear.
[0011] Preferably, an adapter is installed at the center of the rear planetary carrier, and the adapter is fixedly connected to the drive shaft.
[0012] Preferably, a positioning sleeve is movably mounted on the surface of the drive shaft on one side of the upper seat, and the positioning sleeve is connected to the upper seat.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the right-angle commutator not only realizes the convenient rotation adjustment position of the high-precision planetary right-angle commutator, facilitates the electric control adjustment angle, but also facilitates efficient transmission during structural linkage, avoids abnormal noise and vibration during the transmission process, and improves the stability of the high-precision planetary right-angle commutator during operation;
[0014] (1) The worm is driven to rotate by a servo motor, and the worm wheel is driven to rotate under the meshing of the worm and the worm wheel. The worm wheel drives the flip plate to rotate through the support shaft, and the flip plate drives the rotating seat to rotate. The rotating seat drives the base, middle seat, upper seat, and drive shaft to rotate, so as to facilitate the adjustment of the position of the drive shaft, realize the convenient rotation adjustment position of the high-precision planetary right-angle commutator, and facilitate the electric control adjustment of the angle;
[0015] (2) The first right-angle gear is driven to rotate by a stepper motor, the second right-angle gear drives the center shaft to rotate, the center shaft drives the sun gear to rotate, and the sun gear drives the three sets of planetary gears to rotate. Under the meshing of the inner gear plate and the planetary gear, the planetary gear drives the front planetary frame and the rear planetary frame to rotate through the planetary shaft, and the rear planetary frame drives the adapter and the drive shaft to rotate. Under the cooperation of the first right-angle gear and the second right-angle gear, the cooperation of the sun gear, the planetary gear and the inner gear plate facilitates high-precision planetary transmission, realizes stable transmission drive of the high-precision planetary right-angle commutator, facilitates efficient transmission during structural linkage, and improves the stability of the high-precision planetary right-angle commutator during operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1This is a schematic diagram of the three-dimensional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the upper seat of the utility model;
[0018] Figure 3 This is a schematic diagram of the front cross-sectional structure of the present utility model;
[0019] Figure 4 This is a schematic diagram of the three-dimensional explosion structure of the middle seat of the utility model;
[0020] Figure 5 This is a schematic diagram of the three-dimensional exploded structure of the rear planetary carrier of the present invention;
[0021] Figure 6 This is a rear view structural diagram of the utility model;
[0022] Figure 7 This is a schematic diagram of the three-dimensional structure of the front planet carrier of the present invention;
[0023] Figure 8 This is a schematic diagram of the three-dimensional structure of the rear planetary carrier of the present invention.
[0024] In the figure: 1. Base; 2. Servo motor; 3. Support shaft; 4. Worm; 5. Worm gear; 6. Flip plate; 7. Rotating seat; 8. Base; 9. Middle seat; 10. Upper seat; 11. Drive shaft; 12. Stepper motor; 13. First right-angle gear; 14. Center shaft; 15. Second right-angle gear; 16. Sun gear; 17. Internal gear plate; 18. Front planetary carrier; 19. Planetary shaft; 20. Planetary gear; 21. Positioning sleeve; 22. Rear planetary carrier; 23. Adapter seat. DETAILED DESCRIPTION
[0025] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.
[0026] See also Figure 1-8, the utility model provides an embodiment: a high-precision planetary right-angle commutator, including a base 1 and a flip plate 6, a flip plate 6 is provided at the top of the base 1, support shafts 3 are installed at both ends of the flip plate 6, and the support shafts 3 are extended to the outside of the base 1, and a worm gear 5 is set on the surface of the support shaft 3, a rotating seat 7 is installed at the center position of the top of the flip plate 6, a base 8 is installed at the top of the rotating seat 7, a middle seat 9 is installed at the top of the base 8, an upper seat 10 is installed at the top of the middle seat 9, a driving shaft 11 is installed at the center position of the top of the upper seat 10, and the driving shaft 11 extends to the inside of the upper seat 10, a central shaft 14 is installed at the center position of the inside of the rotating seat 7, a stepping motor 12 is installed on the outer wall of the rotating seat 7, and a first right-angle gear 13 is installed at the output end of the stepping motor 12;
[0027] A servo motor 2 is mounted on the outer wall of the base 1 on one side of the worm gear 5, and a worm 4 is mounted on the output end of the servo motor 2;
[0028] By turning on the servo motor 2, under the support of the base 1, the servo motor 2 drives the worm 4 to rotate, and the worm 4 and the worm wheel 5 are engaged to drive the worm wheel 5 to rotate. The worm wheel 5 drives the flip plate 6 to rotate through the support shaft 3, and the flip plate 6 drives the rotating seat 7 to rotate. The rotating seat 7 drives the base 8, the middle seat 9, the upper seat 10, and the driving shaft 11 to rotate, so as to facilitate the adjustment of the position of the driving shaft 11, thereby realizing the convenient rotation adjustment position of the high-precision planetary right-angle commutator and facilitating the electric control of the angle adjustment.
[0029] A second right-angle gear 15 is mounted on the surface of the central shaft 14 on one side of the first right-angle gear 13, and the second right-angle gear 15 is meshed with the first right-angle gear 13. A sun gear 16 is provided at the center of the base 8 and is connected to the central shaft 14. A front planet carrier 18 is provided inside the base 8, and a rear planet carrier 22 is provided inside the upper base 10.
[0030] Three sets of planetary shafts 19 are installed between the front planetary carrier 18 and the rear planetary carrier 22 at equal intervals. The planetary shafts 19 are connected to the front planetary carrier 18 and the rear planetary carrier 22 respectively. The surfaces of the planetary shafts 19 are all fitted with planetary gears 20. An inner gear plate 17 is installed on the inner wall of the middle seat 9, and the inner gear plate 17 and the planetary gears 20 are meshed with each other.
[0031] An adapter seat 23 is installed at the center of the rear planetary carrier 22, and the adapter seat 23 is fixedly connected to the drive shaft 11;
[0032] A positioning sleeve 21 is movably mounted on the surface of the drive shaft 11 on one side of the upper seat 10, and the positioning sleeve 21 is connected to the upper seat 10;
[0033] By turning on the stepper motor 12, the stepper motor 12 drives the first right-angle gear 13 to rotate, and under the meshing of the first right-angle gear 13 and the second right-angle gear 15, the second right-angle gear 15 drives the central shaft 14 to rotate, and the central shaft 14 drives the sun gear 16 to rotate. Under the support of the base 8 and the middle seat 9, the sun gear 16 drives the three sets of planetary gears 20 to rotate. Under the meshing of the inner gear plate 17 and the planetary gears 20, the planetary gears 20 drive the front planetary carrier 18 and the rear planetary carrier 22 to rotate through the planetary shaft 19, and the rear planetary carrier 22 drives the adapter seat 23. The drive shaft 11 rotates, and the positioning sleeve 21 movably supports the drive shaft 11. With the cooperation of the first right-angle gear 13 and the second right-angle gear 15, the sun gear 16, the planetary gear 20, and the internal gear plate 17, high-precision planetary transmission is conveniently performed to reduce friction during the transmission process, reduce the probability of stalling, improve stability during operation, avoid abnormal noise and vibration during the transmission process, realize stable transmission drive of the high-precision planetary right-angle commutator, facilitate efficient transmission during structural linkage, and improve the stability of the high-precision planetary right-angle commutator during operation.
[0034] When the embodiment of the present application is in use: an external power supply is connected, first, by turning on the servo motor 2, the servo motor 2 drives the worm 4 to rotate, the worm gear 5 drives the flip plate 6 to rotate through the support shaft 3, the flip plate 6 drives the rotating seat 7 to rotate, and the rotating seat 7 drives the base 8, the middle seat 9, the upper seat 10, and the drive shaft 11 to rotate, so as to facilitate the adjustment of the position of the drive shaft 11, the stepper motor 12 drives the first right-angle gear 13 to rotate, the second right-angle gear 15 drives the center shaft 14 to rotate, the center shaft 14 drives the sun gear 16 to rotate, the sun gear 16 drives the three sets of planetary gears 20 to rotate, the planetary gears 20 drive the front planetary carrier 18 and the rear planetary carrier 22 to rotate through the planetary shaft 19, the rear planetary carrier 22 drives the adapter 23 and the drive shaft 11 to rotate, the positioning sleeve 21 movably supports the drive shaft 11, and the cooperation of the sun gear 16, the planetary gears 20, and the inner gear plate 17 facilitates high-precision planetary transmission to reduce friction during transmission, reduce the probability of stalling, improve stability during operation, and avoid abnormal noise and vibration during transmission to complete the use of the right-angle commutator.
[0035] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A high-precision planetary right-angle commutator, characterized by: The invention comprises a base (1) and a flip plate (6), wherein the top of the base (1) is provided with a flip plate (6), both ends of the flip plate (6) are provided with support shafts (3), and the support shafts (3) are extended to the outside of the base (1), the surface of the support shaft (3) is provided with a worm gear (5), a rotating seat (7) is provided at the center position of the top of the flip plate (6), a base (8) is provided at the top of the rotating seat (7), a middle seat (9) is provided at the top of the base (8), an upper seat (10) is provided at the top of the middle seat (9), a driving shaft (11) is provided at the center position of the top of the upper seat (10), and the driving shaft (11) extends to the inside of the upper seat (10), a central shaft (14) is provided at the center position inside the rotating seat (7), a stepping motor (12) is provided on the outer wall of the rotating seat (7), and a first right-angle gear (13) is provided at the output end of the stepping motor (12).
2. A high-precision planetary right-angle commutator according to claim 1, characterized in that: A servo motor (2) is mounted on the outer wall of the base (1) on one side of the worm wheel (5), and a worm (4) is mounted on the output end of the servo motor (2).
3. The high-precision planetary right-angle commutator according to claim 1, characterized in that: A second right-angle gear (15) is mounted on the surface of a central shaft (14) on one side of the first right-angle gear (13), and the second right-angle gear (15) and the first right-angle gear (13) are meshed with each other. A sun gear (16) is provided at the center of the base (8), and the sun gear (16) is connected to the central shaft (14).
4. The high-precision planetary right-angle commutator according to claim 1, characterized in that: A front planet carrier (18) is provided inside the base (8), and a rear planet carrier (22) is provided inside the upper seat (10).
5. The high-precision planetary right-angle commutator according to claim 4, characterized in that: Three sets of planetary shafts (19) with equal spacing are installed between the front planetary carrier (18) and the rear planetary carrier (22), and the surfaces of the planetary shafts (19) are all covered with planetary gears (20).
6. The high-precision planetary right-angle commutator according to claim 1, characterized in that: An inner toothed disc (17) is mounted on the inner wall of the middle seat (9), and the inner toothed disc (17) and the planetary gear (20) are meshed with each other.
7. The high-precision planetary right-angle commutator according to claim 4, characterized in that: A transfer seat (23) is installed at the center of the rear planetary carrier (22), and the transfer seat (23) is fixedly connected to the drive shaft (11).
8. The high-precision planetary right-angle commutator according to claim 1, characterized in that: A positioning sleeve (21) is movably sleeved on the surface of the driving shaft (11) on one side of the upper seat (10), and the positioning sleeve (21) is connected to the upper seat (10).