Planetary hollow rotating platform structure

Abstract

The utility model discloses a planetary hollow rotating platform structure which comprises a supporting platform and a bearing platform, the bearing platform is installed at the top end of the supporting platform, a rotating platform is movably installed in the bearing platform, and a planetary gear motor is installed on the side wall of the supporting platform. A driving gear is installed at the output end of the planetary gear motor, a gear ring is installed on the outer wall of the rotating table, the driving gear is meshed with the gear ring, two sets of connecting rings are movably installed in the supporting platform, three sets of connecting plates are installed between the two sets of connecting rings at equal intervals, and the rotating table is connected with one set of connecting rings; servo motors are mounted at the top ends of the connecting plates correspondingly, and lead screws are mounted at the output ends of the servo motors correspondingly. According to the utility model, a cylindrical object can be conveniently clamped and fixed at the center, the cylindrical object can be conveniently placed from different angles for testing, and the use flexibility is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotating platform structures, in particular to a planetary hollow rotating platform structure. Background Art

[0002] The hollow rotary platform is a revolutionary new product, mainly used in a variety of rotary motion occasions. It has the characteristics of high work efficiency, high precision, high rigidity and high cost performance. The application range of the hollow rotary platform is wide. It can replace the traditional DD motor and cam divider. It is particularly suitable for automated production lines and indexing mechanisms. Its internal structure adopts crossed roller bearings, which have high repeat positioning accuracy and strong load-bearing capacity. It can meet the needs of various rotary motion occasions. In order to better improve the operating accuracy of the hollow rotary platform, a planetary hollow rotary platform structure is proposed.

[0003] For example, a hollow rotating platform disclosed in the authorization announcement number CN211875060U includes a mounting base plate, the mounting base plate structure is hollow, the mounting base plate is connected to a hollow shaft, the hollow shaft runs through the entire platform, one side of the mounting base plate is connected to a planetary reduction mechanism, the planetary reduction mechanism includes a sun gear, a planetary gear, an inner ring gear, a planetary carrier and an output flange, the planetary carrier is installed on the output flange, the output flange and the planetary carrier are supported by a cross roller bearing, the cross roller bearing is connected and fixed to the inner ring gear and the mounting base plate by bearing end pressure, the sun gear includes a small ring gear meshing with the planetary gear and a large ring gear meshing with the input gear shaft, a mounting seat is also installed on one side of the mounting base plate, the input gear shaft is rotatably connected in the mounting seat, and the end of the input gear shaft is integrally formed and provided with a keyway;

[0004] Although it has the advantages of high precision and high torque resistance, it does not solve the problem that the existing rotating platform structure is not conducive to convenient center clamping and fixing cylindrical objects during use, and is not conducive to placing cylindrical objects for testing from different angles, which affects the flexibility of use. Utility Model Content

[0005] The purpose of the present utility model is to provide a planetary hollow rotating platform structure to solve the problem in the above background technology that the rotating platform structure is not convenient for conveniently clamping and fixing cylindrical objects at the center, is not conducive to placing cylindrical objects for testing from different angles, and affects the flexibility of use.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a planetary hollow rotating platform structure, comprising a supporting platform and a bearing platform, the top of the supporting platform is equipped with a bearing platform, the interior of the bearing platform is movably equipped with a rotating platform, the side wall of the supporting platform is equipped with a planetary reduction motor, the output end of the planetary reduction motor is equipped with a driving gear, the outer wall of the rotating platform is equipped with a gear ring, and the driving gear and the gear ring are meshed with each other, two sets of connecting rings are movably installed inside the supporting platform, and three sets of connecting plates with equal spacing are installed between the two sets of connecting rings, and the rotating platform and A group of connecting rings are connected, and a servo motor is installed on the top of the connecting plate, and a screw rod is installed on the output end of the servo motor, and the screw rod is movably connected to the connecting plate. The surface of the screw rod is covered with a threaded sleeve, and the threaded sleeve is threadedly connected to the screw rod, and a connecting rod is movably installed on the side wall of the threaded sleeve, and a rotating arm is movably installed on the end of the connecting rod away from the threaded sleeve, and a pin is installed on the end of the rotating arm close to the connecting plate, and the rotating arm is movably connected to the connecting plate through the pin, and a clamping block is installed on the end of the rotating arm away from the connecting plate, and a support plate is provided under the support platform.

[0007] Preferably, a flip plate is installed on the top of the support plate, a movable shaft is installed on the side of the flip plate close to the support plate, and the flip plate is movably connected to the support plate through the movable shaft.

[0008] Preferably, two groups of electric push rods are movably mounted on the inner wall of the support plate, and push arms are mounted on the output ends of the electric push rods, and the push arms are movably connected to the flip plate.

[0009] Preferably, a supporting plate is installed on the top of the flip plate, and the supporting plate is fixedly connected to the flip plate.

[0010] Preferably, a driving motor is installed at the bottom end of the supporting plate, and the driving motor is fixedly connected to the supporting plate.

[0011] Preferably, a drive shaft is installed at the output end of the drive motor, and a transmission gear is sleeved on the surface of the drive shaft.

[0012] Preferably, a rotating shaft is movably installed at the center of the supporting plate, a rotating plate is installed at the top end of the rotating shaft, and the rotating plate is connected to the supporting platform.

[0013] Preferably, a driven gear is mounted on the surface of the rotating shaft, and the transmission gear and the driven gear are meshed with each other.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the rotating platform structure not only realizes the convenient center clamping and fixing of cylindrical objects, facilitates the placement of cylindrical objects for testing from different angles, but also improves the flexibility of use;

[0015] (1) The cylindrical object is inserted into the interior of the support platform, the servo motor drives the threaded sleeve to move through the screw, the threaded sleeve drives the rotating arm to rotate with the pin shaft as the axis through the connecting rod, the rotating arm drives the clamping block to rotate, the three groups of clamping blocks rotate synchronously toward the center position, the clamping block completes the centering clamping and fixing of the cylindrical object, the planetary reduction motor drives the driving gear to rotate, the driving gear drives the rotating table to rotate through the gear ring, the rotating table drives the connecting ring, the clamping block and the cylindrical object to rotate, the electric push rod drives the flip plate to rotate with the movable axis as the axis through the push arm, the flip plate drives the load plate, the rotating plate, the support platform, the load plate, the planetary reduction motor and the rotating table to rotate, so as to rotate and adjust the use angle of the rotating table to facilitate the placement of objects from different angles;

[0016] (2) The driving motor drives the transmission gear to rotate through the driving shaft, the transmission gear drives the rotating shaft to rotate through the driven gear, the rotating shaft drives the rotating plate to rotate, and the rotating plate drives the supporting platform, the bearing platform, the planetary reduction motor, and the rotating table to rotate in a circular manner to adjust the position of the rotating table, so as to further flexibly adjust the use position. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional perspective structure of the flip plate of the present invention;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the connecting ring of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the connecting plate of the utility model.

[0022] In the figure: 1. Support platform; 2. Planetary reduction motor; 3. Rotating table; 4. Carrying plate; 5. Flipping plate; 6. Support plate; 7. Electric push rod; 8. Push arm; 9. Connecting ring; 10. Rotating plate; 11. Movable shaft; 12. Driving motor; 13. Transmission; 14. Driving shaft; 15. Driven gear; 16. Rotating shaft; 17. Driving gear; 18. Connecting plate; 19. Threaded sleeve; 20. Servo motor; 21. Pin; 22. Rotating arm; 23. Screw; 24. Connecting rod; 25. Clamping block; 26. Gear ring; 27. Carrying platform. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-5 , the utility model provides an embodiment: a planetary hollow rotating platform structure, including a supporting platform 1 and a bearing platform 27, the top of the supporting platform 1 is equipped with a bearing platform 27, the inner movably installed with a rotating platform 3, the side wall of the supporting platform 1 is equipped with a planetary reduction motor 2, the planetary reduction motor 2 plays the role of power drive, the output end of the planetary reduction motor 2 is equipped with a driving gear 17, the outer wall of the rotating platform 3 is equipped with a gear ring 26, and the driving gear 17 and the gear ring 26 are meshed with each other, the inner movably installed with two groups of connecting rings 9, and three groups of connecting plates 18 with equal spacing are installed between the two groups of connecting rings 9, and the rotating platform 3 is connected to a group of connecting rings 9, the connecting plates The top of each of the servo motors 18 is provided with a servo motor 20, which plays a role of power drive. The output end of each of the servo motors 20 is provided with a screw rod 23, and the screw rod 23 is movably connected to the connecting plate 18. The surface of each of the screw rods 23 is provided with a threaded sleeve 19, and the threaded sleeve 19 is threadedly connected to the screw rod 23. A connecting rod 24 is movably installed on the side wall of the threaded sleeve 19. The end of the connecting rod 24 away from the threaded sleeve 19 is movably provided with a rotating arm 22. The end of the rotating arm 22 close to the connecting plate 18 is provided with a pin 21, and the rotating arm 22 is movably connected to the connecting plate 18 through the pin 21. The end of the rotating arm 22 away from the connecting plate 18 is provided with a clamping block 25. A support plate 6 is provided below the support platform 1.

[0025] Insert the cylindrical object into the interior of the support platform 1, turn on the servo motor 20, and the servo motor 20 drives the threaded sleeve 19 to move through the screw 23. The threaded sleeve 19 drives the rotating arm 22 to rotate with the pin 21 as the axis through the connecting rod 24. The rotating arm 22 drives the clamping block 25 to rotate. The three groups of clamping blocks 25 rotate synchronously toward the center position. The clamping blocks 25 complete the centering and fixing of the cylindrical object. Then turn on the planetary reduction motor 2, and the planetary reduction motor 2 drives the drive gear 17 to rotate. The drive gear 17 drives the rotating gear 26 through the gear ring 26. The turntable 3 rotates, and the connecting ring 9, the clamping block 25 and the cylindrical object are driven to rotate by the turntable 3. The electric push rod 7 is opened, and the electric push rod 7 drives the flip plate 5 to rotate with the movable shaft 11 as the axis through the push arm 8. The flip plate 5 drives the carrying plate 4, the rotating plate 10, the supporting platform 1, the carrying platform 27, the planetary reduction motor 2, and the turntable 3 to rotate, so as to adjust the use angle of the turntable 3, so as to facilitate the placement of objects from different angles, realize convenient center clamping and fixing of cylindrical objects, and facilitate the placement of cylindrical objects for testing from different angles;

[0026] A flip plate 5 is installed on the top of the support plate 6. A movable shaft 11 is installed on the side of the flip plate 5 close to the support plate 6, and the flip plate 5 is movably connected to the support plate 6 through the movable shaft 11. Two sets of electric push rods 7 are movably installed on the inner wall of the support plate 6. The electric push rods 7 play a role of power drive. The output ends of the electric push rods 7 are all installed with push arms 8, and the push arms 8 are movably connected to the flip plate 5.

[0027] The top of the flip plate 5 is mounted with a supporting plate 4, and the supporting plate 4 is fixedly connected to the flip plate 5. The bottom of the supporting plate 4 is mounted with a driving motor 12, which plays a role of power drive and is fixedly connected to the supporting plate 4.

[0028] The output end of the driving motor 12 is equipped with a driving shaft 14, and the surface of the driving shaft 14 is covered with a transmission gear 13. A rotating shaft 16 is movably installed at the center of the supporting plate 4. The top of the rotating shaft 16 is equipped with a rotating plate 10, and the rotating plate 10 is connected to the supporting platform 1.

[0029] The surface of the rotating shaft 16 is provided with a driven gear 15 , and the transmission gear 13 and the driven gear 15 are meshed with each other;

[0030] Turn on the drive motor 12, and the drive motor 12 drives the transmission gear 13 to rotate through the drive shaft 14, and the transmission gear 13 drives the rotating shaft 16 to rotate through the driven gear 15, and the rotating shaft 16 drives the rotating plate 10 to rotate, and the rotating plate 10 drives the supporting platform 1, the bearing platform 27, the planetary reduction motor 2, and the rotating table 3 to rotate, so as to adjust the position of the rotating table 3 in a circular rotation, and further flexibly adjust the use position, thereby completing the use of the planetary hollow rotating platform structure and improving the flexibility of use.

[0031] Working principle: Insert the cylindrical object into the interior of the support platform 1, and the servo motor 20 drives the threaded sleeve 19 to move through the screw 23, and the threaded sleeve 19 drives the rotating arm 22 to rotate with the pin 21 as the axis through the connecting rod 24, and the rotating arm 22 drives the clamping block 25 to rotate. The three groups of clamping blocks 25 rotate synchronously toward the center position, and the clamping block 25 completes the centering clamping and fixing of the cylindrical object. The planetary reduction motor 2 drives the driving gear 17 to rotate, and the driving gear 17 drives the rotating table 3 to rotate through the gear ring 26. The rotating table 3 drives the connecting ring 9, the clamping block 25 and the cylindrical object to rotate, and the electric push rod 7 drives the flip plate 5 to rotate with the movable shaft 11 as the axis through the push arm 8. The flip plate 5 drives the carrying plate 4, the rotating plate 10, the supporting platform 1, the carrying platform 27, the planetary reduction motor 2, and the rotating table 3 to rotate, so as to adjust the use angle of the rotating table 3 to facilitate the placement of objects from different angles. The driving motor 12 drives the transmission gear 13 to rotate through the driving shaft 14, and the transmission gear 13 drives the rotating shaft 16 to rotate through the driven gear 15. The rotating shaft 16 drives the rotating plate 10 to rotate, and the rotating plate 10 drives the supporting platform 1, the carrying platform 27, the planetary reduction motor 2, and the rotating table 3 to rotate to adjust the position of the rotating table 3 in a circular rotation, so as to further flexibly adjust the use position, thereby completing the use of the planetary hollow rotating platform structure.

[0032] 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 planetary hollow rotating platform structure, comprising a supporting platform (1) and a bearing platform (27), characterized in that: The top of the support platform (1) is provided with a bearing platform (27), a rotating platform (3) is movably installed inside the bearing platform (27), a planetary reduction motor (2) is installed on the side wall of the support platform (1), a driving gear (17) is installed on the output end of the planetary reduction motor (2), a gear ring (26) is installed on the outer wall of the rotating platform (3), and the driving gear (17) and the gear ring (26) are meshed with each other, two groups of connecting rings (9) are movably installed inside the support platform (1), and three groups of connecting plates (18) with equal spacing are installed between the two groups of connecting rings (9), and the rotating platform (3) is connected to one group of connecting rings (9), and the top of each connecting plate (18) is provided with a servo motor (20), and the servo motor (20) The output ends of the screw rods (23) are all installed, and the screw rods (23) are movably connected to the connecting plate (18). The surfaces of the screw rods (23) are all covered with threaded sleeves (19), and the threaded sleeves (19) are threadedly connected to the screw rods (23). The side walls of the threaded sleeves (19) are all movably installed with connecting rods (24). The ends of the connecting rods (24) away from the threaded sleeves (19) are all movably installed with rotating arms (22). The ends of the rotating arms (22) close to the connecting plate (18) are all installed with pins (21), and the rotating arms (22) are movably connected to the connecting plate (18) through the pins (21). The ends of the rotating arms (22) away from the connecting plate (18) are all installed with clamping blocks (25). A support plate (6) is provided below the support platform (1).

2. A planetary hollow rotating platform structure according to claim 1, characterized in that: A flip plate (5) is installed at the top end of the support plate (6), a movable shaft (11) is installed on the side of the flip plate (5) close to the support plate (6), and the flip plate (5) is movably connected to the support plate (6) through the movable shaft (11).

3. The planetary hollow rotating platform structure according to claim 1, characterized in that: Two groups of electric push rods (7) are movably mounted on the inner wall of the support plate (6), and push arms (8) are mounted on the output ends of the electric push rods (7), and the push arms (8) are movably connected to the flip plate (5).

4. The planetary hollow rotating platform structure according to claim 2, characterized in that: A bearing plate (4) is installed on the top end of the flip plate (5), and the bearing plate (4) is fixedly connected to the flip plate (5).

5. The planetary hollow rotating platform structure according to claim 4, characterized in that: A driving motor (12) is installed at the bottom end of the supporting plate (4), and the driving motor (12) is fixedly connected to the supporting plate (4).

6. The planetary hollow rotating platform structure according to claim 5, characterized in that: A driving shaft (14) is installed at the output end of the driving motor (12), and a transmission gear (13) is sleeved on the surface of the driving shaft (14).

7. The planetary hollow rotating platform structure according to claim 4, characterized in that: A rotating shaft (16) is movably installed at the center of the bearing plate (4), a rotating plate (10) is installed at the top end of the rotating shaft (16), and the rotating plate (10) is connected to the supporting platform (1).

8. The planetary hollow rotating platform structure according to claim 7, characterized in that: A driven gear (15) is sleeved on the surface of the rotating shaft (16), and the transmission gear (13) and the driven gear (15) are meshed with each other.

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