Hollow rotating platform

Abstract

The utility model discloses a hollow rotating platform which comprises a base and a servo motor, the servo motor is installed on the outer wall of the base, the output end of the servo motor extends into the base, a shaft sleeve is installed on the outer wall of the side, away from the servo motor, of the base, a hollow shaft is arranged on the outer wall, on one side of the shaft sleeve, of the base, and the hollow shaft is arranged on the outer wall of the base. The hollow shaft extends into the base and is in sliding connection with the shaft sleeve, the surface of the hollow shaft in the base is sleeved with a fluted disc, a first gear is installed at the position, on one side of the fluted disc, of the output end of the servo motor, the first gear is meshed with the fluted disc, and a U-shaped photoelectric sensor is installed on the position, on one side of the servo motor, of the outer wall of the base. According to the utility model, the hollow rotating platform can be used for conveniently and rapidly centering, clamping and fixing a workpiece in a movable manner, so that circumferential autorotation is facilitated, linkage autorotation during transverse movement is facilitated, the rotation adjusting range is increased, and the rotation flexibility of the hollow rotating platform is improved.

Description

Technical Field

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

[0002] The hollow rotary platform is a transmission platform with high work efficiency, high precision, high rigidity and high cost performance. It is mainly used in various rotary motion occasions. It is driven by a motor to realize automatic angle adjustment. It has a hollow structure, which is convenient for installing air pipes and wires. The hollow rotary platform ensures high rotation accuracy and repeatable positioning accuracy through precise cross roller bearings and single-stage helical gear reduction. It is suitable for application scenarios with high loads and precise control.

[0003] For example, the hollow rotating platform disclosed in the authorization publication number CN213598541U includes a platform body, a connecting flange, a bearing fixing seat, a cross roller bearing, a plane needle roller bearing, and a gear turntable. The connecting flange is fixed to the platform body, the bearing fixing seat is connected to the platform body, the cross roller bearing, the gear turntable, and the plane needle roller bearing are all sleeved on the bearing fixing seat, the gear turntable includes a bearing spacer for blocking the cross roller bearing and the plane needle roller bearing, and the input shaft component connected to the gear turntable is installed in the accommodating space inside the connecting flange;

[0004] Although it realizes the combination of plane needle roller bearings and cross roller bearings to reduce the axial and radial loads of the hollow rotating platform, and the plane needle roller bearings bear the axial force, thereby increasing the service life of the hollow rotating platform with high axial load, it does not solve the problem that the existing hollow rotating platform is not conducive to convenient mobile centering and clamping of the workpiece during use, is not convenient for circular rotation, and is not convenient for linked rotation during lateral movement, which greatly affects the rotation adjustment range and the rotation flexibility of the hollow rotating platform. Utility Model Content

[0005] The purpose of the present utility model is to provide a hollow rotating platform to solve the problems in the above-mentioned background technology that the hollow rotating platform is not convenient for mobile centering and fixing of the workpiece, is not convenient for circular rotation, and is not convenient for linked rotation during horizontal movement, which affects the rotation adjustment range and the rotation flexibility of the hollow rotating platform.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hollow rotating platform, comprising a base and a servo motor, a servo motor is installed on the outer wall of the base, and the output end of the servo motor extends to the interior of the base, a sleeve is installed on the outer wall of the base on the side away from the servo motor, a hollow shaft is provided on the outer wall of the base on one side of the sleeve, and the hollow shaft extends to the interior of the base, and the hollow shaft is slidably connected to the sleeve, a gear disk is mounted on the surface of the hollow shaft inside the base, a first gear is installed on the output end of the servo motor on one side of the gear disk, and the first gear and the gear disk are meshed with each other, a U-shaped photoelectric sensor is installed on the outer wall of the base on one side of the servo motor, four groups of connecting frames with equal spacing are installed on the surface of the hollow shaft on one side of the sleeve, electric push rods are installed on the outer walls of the connecting frames, and sliding frames are slidably installed on the outer walls of the connecting frames on one side of the electric push rods.

[0007] Preferably, clamping blocks are movably mounted on the outer walls of the sliding frames, and the output ends of the electric push rods are connected to the sliding frames.

[0008] Preferably, a support platform is provided at the bottom end of the base, a movable seat is movably mounted on the top end of the support platform, the movable seat extends to the outside of the base, and the base is connected to the movable seat.

[0009] Preferably, a support seat is provided at the bottom end of the support platform, a stepper motor is installed on the outer wall of the support seat, a threaded rod is movably installed inside the support seat on one side of the stepper motor, and the output end of the stepper motor is connected to the threaded rod.

[0010] Preferably, threaded blocks are symmetrically installed on the bottom end of the support platform, and the threaded blocks are all threadedly connected to the threaded rod.

[0011] Preferably, a rack is installed inside the support seat on one side of the threaded rod, and sliding sleeves are symmetrically installed at the bottom end of the support platform on one side of the rack, and the sliding sleeves are slidably connected to the rack.

[0012] Preferably, a movable shaft is installed at the bottom end of the movable seat, a second gear is sleeved on the surface of the movable shaft, and the second gear is meshed with the rack.

[0013] Preferably, a control panel is installed on the outer wall of the support base, and the output end of the control panel is electrically connected to the input ends of the servo motor, the U-shaped photoelectric sensor, and the stepping motor.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the hollow rotating platform not only realizes the convenient mobile centering and clamping of the workpiece by the hollow rotating platform, facilitates the circular rotation, but also facilitates the linkage rotation during the lateral movement, increases the rotation adjustment range, and improves the rotation flexibility of the hollow rotating platform; BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the support base of the utility model;

[0017] Figure 3 This is a front view structural diagram of the utility model;

[0018] Figure 4 This is a side structural diagram of the present utility model;

[0019] Figure 5 This is a schematic diagram of the three-dimensional structure of the rack of the present invention;

[0020] Figure 6 It is a schematic diagram of the side cross-sectional structure of the base of the present utility model.

[0021] In the figure: 1. Base; 2. Servo motor; 3. Bushing; 4. Hollow shaft; 5. Toothed disc; 6. First gear; 7. U-shaped photoelectric sensor; 8. Connecting frame; 9. Electric push rod; 10. Sliding frame; 11. Clamping block; 12. Support table; 13. Movable seat; 14. Movable shaft; 15. Second gear; 16. Support seat; 17. Stepper motor; 18. Threaded rod; 19. Threaded block; 20. Sleeve; 21. Rack; 22. Control panel. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-6The utility model provides an embodiment: a hollow rotating platform, including a base 1 and a servo motor 2, a servo motor 2 is installed on the outer wall of the base 1, the servo motor 2 plays the role of power output, and the output end of the servo motor 2 extends to the inside of the base 1, a shaft sleeve 3 is installed on the outer wall of the base 1 away from the servo motor 2, a hollow shaft 4 is provided on the outer wall of the base 1 on one side of the shaft sleeve 3, and the hollow shaft 4 extends to the inside of the base 1, and the hollow shaft 4 is slidably connected to the shaft sleeve 3, and a toothed disc 5 is set on the surface of the hollow shaft 4 inside the base 1 , the output end of the servo motor 2 on the side of the gear disc 5 is installed with a first gear 6, and the first gear 6 and the gear disc 5 are meshed with each other, a U-shaped photoelectric sensor 7 is installed on the outer wall of the base 1 on the side of the servo motor 2, and four groups of connecting frames 8 with equal spacing are installed on the surface of the hollow shaft 4 on the side of the sleeve 3, and electric push rods 9 are installed on the outer walls of the connecting frames 8. A sliding frame 10 is slidably installed on the outer wall of the connecting frame 8 on one side of the electric push rod 9, and a clamping block 11 is movably installed on the outer wall of the sliding frame 10, and the output ends of the electric push rods 9 are all connected to the sliding frame 10;

[0024] When in use, the workpiece to be processed is placed inside the hollow shaft 4, and the electric push rod 9 is turned on by operating the control panel 22. Under the support of the connecting frame 8, the electric push rod 9 drives the sliding frame 10 to move, and the sliding frame 10 drives the clamping block 11 to move, and the multiple groups of clamping blocks 11 perform mobile centering clamping on the workpiece to facilitate fixation of the workpiece, and the servo motor 2 is turned on by the control panel 22. The servo motor 2 drives the first gear 6 to rotate, and under the meshing action of the first gear 6 and the toothed disc 5, the first gear 6 drives the toothed disc 5 to rotate, and the toothed disc 5 drives the hollow shaft 4 to rotate. Under the sliding support of the hollow shaft 4 and the sleeve 3, the hollow shaft 4 drives the workpiece to rotate, so as to facilitate circular rotation processing of the workpiece, thereby realizing convenient mobile centering clamping and fixation of the workpiece by the hollow rotating platform, and facilitating circular rotation;

[0025] The bottom end of the base 1 is provided with a support platform 12, and the top of the support platform 12 is movably installed with a movable seat 13, and the movable seat 13 extends to the outside of the base 1, and the base 1 is connected to the movable seat 13. The bottom end of the support platform 12 is provided with a support seat 16, and a stepper motor 17 is installed on the outer wall of the support seat 16. The stepper motor 17 plays the role of power output. A threaded rod 18 is movably installed inside the support seat 16 on one side of the stepper motor 17, and the output end of the stepper motor 17 is connected to the threaded rod 18. The bottom end of the support platform 12 is symmetrically installed with a threaded block 19, and the threaded block 1 9 are all threadedly connected to the threaded rod 18, a rack 21 is installed inside the support base 16 on one side of the threaded rod 18, a sliding sleeve 20 is symmetrically installed at the bottom end of the support platform 12 on one side of the rack 21, and the sliding sleeve 20 is slidably connected to the rack 21, a movable shaft 14 is installed at the bottom end of the movable base 13, a second gear 15 is set on the surface of the movable shaft 14, and the second gear 15 and the rack 21 are meshed with each other, a control panel 22 is installed on the outer wall of the support base 16, and the output end of the control panel 22 is electrically connected to the input end of the servo motor 2, the U-shaped photoelectric sensor 7, and the stepping motor 17;

[0026] When in use, the stepper motor 17 is turned on by operating the control panel 22. Under the support of the support seat 16, the stepper motor 17 drives the threaded rod 18 to rotate. Under the threaded support of the threaded rod 18 and the threaded block 19, the threaded block 19 moves laterally on the surface of the threaded rod 18. Under the sliding support of the sliding sleeve 20 and the rack 21, the threaded block 19 drives the support table 12 to move laterally, and the support table 12 drives the movable seat 13 to move laterally. Under the meshing action of the second gear 15 and the rack 21, the support table 12 drives the movable seat 13 to move. At the same time, the rack 21 drives the second gear 15 to rotate, and the second gear 15 drives the movable shaft 14 to rotate. Under the movable support of the movable seat 13 and the support table 12, the movable shaft 14 drives the movable seat 13 to rotate, and the movable seat 13 drives the base 1 to rotate as a whole, so as to facilitate horizontal rotation processing while moving, thereby realizing the convenient horizontal movement of the hollow rotating platform and the linked rotation, increasing the rotation adjustment range, and improving the rotation flexibility of the hollow rotating platform.

[0027] Working principle: When in use, connect an external power supply, place the workpiece to be processed inside the hollow shaft 4, and the electric push rod 9 drives the sliding frame 10 to move, and the sliding frame 10 drives the clamping block 11 to move, and multiple groups of clamping blocks 11 perform mobile centering clamping on the workpiece to facilitate the fixation of the workpiece, and the servo motor 2 drives the first gear 6 to rotate, and the first gear 6 drives the gear plate 5 to rotate, and the gear plate 5 drives the hollow shaft 4 to rotate, and the hollow shaft 4 drives the workpiece to rotate, to facilitate the circular rotation processing of the workpiece, and the stepper motor 17 drives the first gear 6 to rotate, and the first gear 6 drives the gear plate 5 to rotate, and the gear plate 5 drives the hollow shaft 4 to rotate, and the hollow shaft 4 drives the workpiece to rotate, to facilitate the circular rotation processing of the workpiece. The movable threaded rod 18 rotates, and the threaded block 19 moves laterally on the surface of the threaded rod 18. The threaded block 19 drives the support platform 12 to move laterally, and the support platform 12 drives the movable seat 13 to move laterally. While the support platform 12 drives the movable seat 13 to move, the rack 21 drives the second gear 15 to rotate, and the second gear 15 drives the movable shaft 14 to rotate, and the movable shaft 14 drives the movable seat 13 to rotate, and the movable seat 13 drives the base 1 to rotate as a whole, so as to facilitate horizontal rotation processing while moving, and complete the use of the hollow rotating platform.

[0028] 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 hollow rotating platform, comprising a base (1) and a servo motor (2), characterized in that: A servo motor (2) is mounted on the outer wall of the base (1), and the output end of the servo motor (2) extends to the interior of the base (1); a shaft sleeve (3) is mounted on the outer wall of the base (1) away from the servo motor (2); a hollow shaft (4) is provided on the outer wall of the base (1) on one side of the shaft sleeve (3), and the hollow shaft (4) extends to the interior of the base (1), and the hollow shaft (4) is slidably connected to the shaft sleeve (3); a toothed disc (5) is mounted on the surface of the hollow shaft (4) inside the base (1), and the toothed disc The output end of the servo motor (2) on one side (5) is provided with a first gear (6), and the first gear (6) and the gear disc (5) are meshed with each other. A U-shaped photoelectric sensor (7) is provided on the outer wall of the base (1) on one side of the servo motor (2). Four groups of connecting frames (8) with equal spacing are provided on the surface of the hollow shaft (4) on one side of the sleeve (3). Electric push rods (9) are provided on the outer walls of the connecting frames (8). Sliding frames (10) are provided on the outer walls of the connecting frames (8) on one side of the electric push rod (9).

2. The hollow rotating platform according to claim 1, characterized in that: A clamping block (11) is movably mounted on the outer wall of the sliding frame (10), and the output end of the electric push rod (9) is connected to the sliding frame (10).

3. The hollow rotating platform according to claim 1, characterized in that: A support platform (12) is provided at the bottom end of the base (1), a movable seat (13) is movably mounted on the top end of the support platform (12), and the movable seat (13) extends to the outside of the base (1), and the base (1) is connected to the movable seat (13).

4. The hollow rotating platform according to claim 3, characterized in that: A support base (16) is provided at the bottom end of the support platform (12), a stepper motor (17) is installed on the outer wall of the support base (16), a threaded rod (18) is movably installed inside the support base (16) on one side of the stepper motor (17), and the output end of the stepper motor (17) is connected to the threaded rod (18).

5. The hollow rotating platform according to claim 4, characterized in that: The bottom end of the support platform (12) is symmetrically mounted with threaded blocks (19), and the threaded blocks (19) are all threadedly connected to the threaded rod (18).

6. The hollow rotating platform according to claim 5, characterized in that: A rack (21) is installed inside the support seat (16) on one side of the threaded rod (18), and a sliding sleeve (20) is symmetrically installed at the bottom end of the support platform (12) on one side of the rack (21), and the sliding sleeve (20) is slidably connected to the rack (21).

7. The hollow rotating platform according to claim 6, characterized in that: A movable shaft (14) is installed at the bottom end of the movable seat (13), a second gear (15) is sleeved on the surface of the movable shaft (14), and the second gear (15) and the rack (21) are meshed with each other.

8. The hollow rotating platform according to claim 4, characterized in that: A control panel (22) is installed on the outer wall of the support base (16), and the output end of the control panel (22) is electrically connected to the input end of the servo motor (2), the U-shaped photoelectric sensor (7), and the stepping motor (17).

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