Adjustable hollow rotating platform

Abstract

The utility model discloses an adjustable hollow rotating platform which comprises an overturning frame and a hollow rotating platform body, the hollow rotating platform body is installed in the overturning frame and fixedly connected with the overturning frame, a clamping air cylinder is installed in the hollow rotating platform body, and the clamping air cylinder is fixedly connected with the hollow rotating platform body. The clamping air cylinder is fixedly connected with the hollow rotating platform body, three sets of supporting arms are installed on the side wall of the clamping air cylinder at equal intervals, clamping shafts are installed at the bottom ends of the supporting arms, the supporting arms are movably connected with the clamping air cylinder through the clamping shafts, and a clamping push rod is installed at the output end of the clamping air cylinder. And a connecting block is mounted at the top end of the clamping push rod. According to the three-jaw linkage clamping and fixing device, convenient three-jaw linkage clamping and fixing of an object and convenient multi-direction rotating use are achieved, the object can be conveniently and rapidly taken and placed, objects of different sizes can be used in a matched mode, and convenience and flexibility of control and use are improved.

Description

Technical Field

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

[0002] The hollow rotary platform is used in a variety of rotary motion occasions and can replace direct-drive motors and cam dividers. It combines high work efficiency, high precision, high rigidity, and high cost performance. It is a revolutionary product in rotary motion mechanisms. The repeat positioning accuracy is ≦5 seconds. The motor is easily configured and has a stable load-bearing capacity. It can be matched with a servo motor or a stepper motor to perform arbitrary angle division. It can meet the digital control that the divider cannot achieve, and the positioning accuracy is comparable to that of a direct-drive motor, which can greatly reduce costs. Traditional hollow rotary platforms are mostly fixed and cannot be adjusted. In order to improve this situation, an adjustable hollow rotary platform is proposed.

[0003] For example, an adjustable hollow rotating platform disclosed in the authorization announcement number CN219036119U includes a hollow rotating platform body and a mounting hole, a mounting ring is fixedly connected to the surface of the mounting hole, a screw is threadedly connected to the surface of the mounting ring, the end of the screw extending into the mounting ring is connected to a moving block by rotating through a circular ring fixed axis, a buffer clamping component is provided at the end of the moving block, a lubricating component is provided on the surface of the hollow rotating platform body, the buffer clamping component includes a buffer spring fixedly connected to the surface of the moving block, an end of the buffer spring is fixedly connected to an abutment block, and a rubber pad is provided on the surface of the abutment block;

[0004] Although it can effectively clamp and fix the body of the object to be rotated to avoid the problem that when the object to be rotated is large, only fixing the connecting shaft still easily causes the object to fall off during rotation, and it has the effect of lubricating other parts such as gears in the inner cavity of the hollow rotating platform body;

[0005] However, the problem that the existing hollow rotating platform is not conducive to convenient three-claw linkage clamping and fixing objects and convenient multi-directional rotation when in use, is not conducive to quick placement of objects and adaptation to objects of different sizes, affecting the convenience and flexibility of operation and use. Utility Model Content

[0006] The purpose of the utility model is to provide an adjustable hollow rotating platform to solve the problem that the hollow rotating platform proposed in the above background technology is not convenient for convenient three-claw linkage clamping and fixing objects and convenient multi-directional rotation, is not conducive to quick placement of objects and adaptation to objects of different volumes, which affects the convenience and flexibility of operation.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable hollow rotating platform, comprising a turning frame and a hollow rotating platform body, the turning frame is internally installed with a hollow rotating platform body, and the hollow rotating platform body is fixedly connected to the turning frame, the hollow rotating platform body is internally installed with a clamping cylinder, and the clamping cylinder is fixedly connected to the hollow rotating platform body, three groups of support arms with equal spacing are installed on the side wall of the clamping cylinder, the bottom ends of the support arms are all installed with a clamping shaft, and the support arms are movably connected to the clamping cylinder through the clamping shaft, a clamping push rod is installed at the output end of the clamping cylinder, a connecting block is installed at the top end of the clamping push rod, and the connecting block is fixedly connected to the clamping push rod, three groups of clamping claws with equal spacing are installed on the side wall of the connecting block, a linkage shaft is installed at one end of the clamping claw close to the connecting block, and the clamping claw is movably connected to the connecting block through the linkage shaft, a hinge shaft is installed at the top end of the support arm, and the clamping claw is movably connected to the support arm through the hinge shaft, and a base is arranged on the outside of the turning frame.

[0008] Preferably, two groups of lifting cylinders are symmetrically installed inside the base, and the lifting cylinders are fixedly connected to the base.

[0009] Preferably, the output ends of the lifting cylinders are all equipped with push arms, and the top ends of the push arms are all equipped with telescopic arms.

[0010] Preferably, the telescopic arm is fixedly connected to the push arm, a right support frame is provided outside the base, a left support frame is provided outside the right support frame, and the right support frame and the left support frame are respectively connected to the two groups of telescopic arms.

[0011] Preferably, an auxiliary shaft is installed inside the right support frame, and the auxiliary shaft is movably connected to the right support frame, and the auxiliary shaft is connected to the flip frame.

[0012] Preferably, a servo motor is installed inside the left support frame, and the servo motor is fixedly connected to the left support frame.

[0013] Preferably, the output end of the servo motor is sleeved with a pulley assembly, and the pulley assembly is slidably connected to the output end of the servo motor.

[0014] Preferably, a movable shaft is installed inside the left support frame on one side of the servo motor, and the movable shaft is movably connected to the left support frame, the movable shaft is connected to the flip frame, and the pulley assembly extends to the surface of the movable shaft.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the hollow rotating platform not only realizes convenient three-claw linkage clamping and fixing of objects and convenient multi-directional rotation, facilitates rapid placement of objects and adaptability to objects of different volumes, but also improves the convenience and flexibility of operation and use;

[0016] (1) The object to be tested is placed on the connecting block, the clamping cylinder drives the clamping push rod to move, the clamping push rod drives the connecting block to move, the connecting block drives the clamping claw to rotate through the linkage shaft, the clamping claw rotates around the hinge shaft, the hinge shaft drives the hinge shaft to move, the hinge shaft drives the support arm to rotate around the clamp shaft, and the three groups of clamping claws clamp and fix the object to be tested under the synchronous rotation of the support arm and the clamping claw to prevent it from falling during the experiment. The hollow rotating platform body completes the rotation test operation on the test object. After the test is completed, the clamping cylinder is closed by external control, and the three groups of clamping claws move away from each other, so that the test object can be removed, realizing the convenient three-claw linkage clamping and fixing of the object by the hollow rotating platform, which is convenient for rapid placement of the object;

[0017] (2) The pulley assembly is driven by a servo motor to move, and the pulley assembly drives the movable shaft to rotate. Under the support of the right support frame, the movable shaft drives the flip frame to rotate with the auxiliary shaft as the axis, and the flip frame drives the hollow rotating platform body and the object to rotate vertically to complete the vertical rotation test of the object. If the object is large and its flipping is restricted by the base, the lifting cylinder is opened by external control, and the lifting cylinder drives the push arm to move upward, and the push arm drives the telescopic arm to move upward. The telescopic arm drives the right support frame and the left support frame to move upward respectively, and the right support frame and the left support frame synchronously drive the flip frame, the hollow rotating platform body and the object to move upward, so as to increase the distance between the object and the base, so as to facilitate better vertical rotation of large objects, realize the convenient multi-directional rotation of the hollow rotating platform, facilitate the rotation operation of objects of different volumes, and improve the convenience and flexibility of the operation of the hollow rotating platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the turning frame of the utility model;

[0020] Figure 3 It is a front cross-sectional structural schematic diagram of the left support frame of the utility model;

[0021] Figure 4 It is a front view cross-sectional structural diagram of the hollow rotating platform body of the utility model;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping jaw of the utility model.

[0023] In the figure: 1. base; 2. lifting cylinder; 3. push arm; 4. right support frame; 5. telescopic arm; 6. auxiliary shaft; 7. flip frame; 8. left support frame; 9. movable shaft; 10. servo motor; 11. pulley assembly; 12. hollow rotating platform body; 13. clamping cylinder; 14. clamping push rod; 15. linkage shaft; 16. connecting block; 17. clamping claw; 18. articulated shaft; 19. support arm; 20. clamping shaft. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-5 The utility model provides an embodiment: an adjustable hollow rotating platform, including a flip frame 7 and a hollow rotating platform body 12, the flip frame 7 is equipped with the hollow rotating platform body 12, and the hollow rotating platform body 12 is fixedly connected to the flip frame 7, and the hollow rotating platform body 12 is equipped with a clamping cylinder 13, the clamping cylinder 13 plays a role of power drive, and the clamping cylinder 13 is fixedly connected to the hollow rotating platform body 12, and three groups of support arms 19 with equal spacing are installed on the side wall of the clamping cylinder 13, and the bottom ends of the support arms 19 are all equipped with a clamping shaft 20, and the support arms 19 pass The clamping shaft 20 is movably connected to the clamping cylinder 13, and a clamping push rod 14 is installed at the output end of the clamping cylinder 13. A connecting block 16 is installed at the top of the clamping push rod 14, and the connecting block 16 is fixedly connected to the clamping push rod 14. Three groups of clamping jaws 17 with equal spacing are installed on the side wall of the connecting block 16. The ends of the clamping jaws 17 close to the connecting block 16 are all installed with linkage shafts 15, and the clamping jaws 17 are movably connected to the connecting block 16 through the linkage shaft 15. The tops of the support arms 19 are all installed with hinge shafts 18, and the clamping jaws 17 are movably connected to the support arms 19 through the hinge shafts 18. The outside of the flip frame 7 is provided with a base 1;

[0026] First, the device is connected to an external controller, the power is turned on, the object to be tested is placed on the connecting block 16, the clamping cylinder 13 is opened by external control, the clamping cylinder 13 drives the clamping push rod 14 to move, the clamping push rod 14 drives the connecting block 16 to move, the connecting block 16 drives the clamping jaw 17 to rotate through the linkage shaft 15, the clamping jaw 17 rotates around the hinge shaft 18, the hinge shaft 18 is driven by the clamping jaw 17 to move, the supporting arm 19 is driven by the hinge shaft 20 to rotate, and the supporting arm 19 and the hinge shaft 20 are connected. Under the synchronous rotation of the clamping jaws 17, the three groups of clamping jaws 17 clamp and fix the object to be tested to prevent it from falling during the experiment. The hollow rotating platform body 12 is opened by external control, and the hollow rotating platform body 12 completes the rotation test operation on the test object. After the test is completed, the clamping cylinder 13 is closed by external control, and the three groups of clamping jaws 17 are separated from each other, so that the test object can be removed, realizing the convenient three-claw linkage clamping and fixing of the object by the hollow rotating platform, which is convenient for the rapid placement of the object.

[0027] Two sets of lifting cylinders 2 are symmetrically installed inside the base 1. The lifting cylinders 2 play a role of power drive, and the lifting cylinders 2 are fixedly connected to the base 1. The output ends of the lifting cylinders 2 are all installed with push arms 3, and the tops of the push arms 3 are all installed with telescopic arms 5.

[0028] The telescopic arm 5 is fixedly connected to the push arm 3, a right support frame 4 is arranged outside the base 1, a left support frame 8 is arranged outside the right support frame 4, and the right support frame 4 and the left support frame 8 are respectively connected to the two sets of telescopic arms 5, an auxiliary shaft 6 is installed inside the right support frame 4, and the auxiliary shaft 6 is movably connected to the right support frame 4, and the auxiliary shaft 6 is connected to the flip frame 7;

[0029] A servo motor 10 is installed inside the left support frame 8, and the servo motor 10 plays a role of power drive, and the servo motor 10 is fixedly connected to the left support frame 8, and a pulley assembly 11 is mounted on the output end of the servo motor 10, and the pulley assembly 11 is slidably connected to the output end of the servo motor 10;

[0030] A movable shaft 9 is installed inside the left support frame 8 on one side of the servo motor 10, and the movable shaft 9 is movably connected to the left support frame 8, the movable shaft 9 is connected to the flip frame 7, and the pulley assembly 11 extends to the surface of the movable shaft 9;

[0031] When the object needs to be subjected to a vertical rotation test, the servo motor 10 is turned on by external control, and the servo motor 10 drives the pulley assembly 11 to move. Under the support of the left support frame 8, the pulley assembly 11 drives the movable shaft 9 to rotate. Under the support of the right support frame 4, the movable shaft 9 drives the flip frame 7 to rotate with the auxiliary shaft 6 as the axis, and the flip frame 7 drives the hollow rotating platform body 12 and the object to rotate vertically to complete the vertical rotation test of the object. If the object is large in size and its flipping is restricted by the base 1, the lifting cylinder 2 is turned on by external control. The lifting cylinder 2 drives the push arm 3 to move upward, and the push arm 3 drives the telescopic arm 5 to move upward. The telescopic arm 5 drives the right support frame 4 and the left support frame 8 to move upward respectively, and the right support frame 4 and the left support frame 8 synchronously drive the flip frame 7, the hollow rotating platform body 12 and the object to move upward to increase the distance between the object and the base 1, to facilitate better vertical rotation of larger objects, to realize convenient multi-directional rotation of the hollow rotating platform, to facilitate the rotation operation of objects of different volumes, and to improve the convenience and flexibility of the operation and use of the hollow rotating platform.

[0032] Working principle: first, connect the device to an external controller, turn on the power, place the object to be tested on the connecting block 16, drive the clamping push rod 14 to move by the clamping cylinder 13, drive the connecting block 16 to move by the clamping push rod 14, drive the connecting block 16 to rotate the clamping jaw 17 through the linkage shaft 15, the clamping jaw 17 rotates around the hinge shaft 18, the hinge shaft 18 is driven by the clamping jaw 17 to move, and the supporting arm 19 is driven by the hinge shaft 18 to rotate around the clamping shaft 20. Under the synchronous rotation of the supporting arm 19 and the clamping jaw 17, the three groups of clamping jaws 17 clamp and fix the object to be tested to prevent it from falling during the experiment. Open the hollow rotating platform body 12 through external control, and use the hollow rotating platform body 12 to complete the rotation test operation on the test object. After the test is completed, close the clamping cylinder 13 through external control, and the three groups of clamping jaws 17 move away from each other, and the test object can be fixed. Remove it, and the servo motor 10 drives the pulley assembly 11 to move, and the pulley assembly 11 drives the movable shaft 9 to rotate, and the movable shaft 9 drives the flip frame 7 to rotate with the auxiliary shaft 6 as the axis, and the flip frame 7 drives the hollow rotating platform body 12 and the object to rotate vertically to complete the vertical rotation test of the object. If the object is large and its flipping is restricted by the base 1, the lifting cylinder 2 is opened through external control, and the lifting cylinder 2 drives the push arm 3 to move upward, and the push arm 3 drives the telescopic arm 5 to move upward, and the telescopic arm 5 drives the right support frame 4 and the left support frame 8 to move upward respectively, and the right support frame 4 and the left support frame 8 synchronously drive the flip frame 7, the hollow rotating platform body 12 and the object to move upward to increase the distance between the object and the base 1, so as to facilitate better vertical rotation of larger objects and complete the use of the adjustable hollow rotating platform.

[0033] The above description is only 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 technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments 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. An adjustable hollow rotating platform, comprising a turning frame (7) and a hollow rotating platform body (12), characterized in that: A hollow rotating platform body (12) is installed inside the flip frame (7), and the hollow rotating platform body (12) is fixedly connected to the flip frame (7). A clamping cylinder (13) is installed inside the hollow rotating platform body (12), and the clamping cylinder (13) is fixedly connected to the hollow rotating platform body (12). Three groups of support arms (19) with equal spacing are installed on the side wall of the clamping cylinder (13). The bottom ends of the support arms (19) are all installed with clamping shafts (20), and the support arms (19) are movably connected to the clamping cylinder (13) through the clamping shafts (20). The output end of the clamping cylinder (13) is installed with a clamping push rod. (14), a connecting block (16) is installed at the top end of the clamping push rod (14), and the connecting block (16) is fixedly connected to the clamping push rod (14), three groups of clamping jaws (17) with equal spacing are installed on the side wall of the connecting block (16), and a linkage shaft (15) is installed at one end of the clamping jaws (17) close to the connecting block (16), and the clamping jaws (17) are movably connected to the connecting block (16) through the linkage shaft (15), and the top end of the support arm (19) is installed with a hinge shaft (18), and the clamping jaws (17) are movably connected to the support arm (19) through the hinge shaft (18), and a base (1) is arranged outside the flip frame (7).

2. The adjustable hollow rotating platform according to claim 1, characterized in that: Two groups of lifting cylinders (2) are symmetrically installed inside the base (1), and the lifting cylinders (2) are fixedly connected to the base (1).

3. The adjustable hollow rotating platform according to claim 2, characterized in that: The output end of the lifting cylinder (2) is equipped with a push arm (3), and the top end of the push arm (3) is equipped with a telescopic arm (5).

4. The adjustable hollow rotating platform according to claim 3, characterized in that: The telescopic arm (5) is fixedly connected to the push arm (3); a right support frame (4) is arranged outside the base (1); a left support frame (8) is arranged outside the right support frame (4); and the right support frame (4) and the left support frame (8) are respectively connected to the two sets of telescopic arms (5).

5. The adjustable hollow rotating platform according to claim 4, characterized in that: An auxiliary shaft (6) is installed inside the right support frame (4), and the auxiliary shaft (6) is movably connected to the right support frame (4), and the auxiliary shaft (6) is connected to the turning frame (7).

6. The adjustable hollow rotating platform according to claim 4, characterized in that: A servo motor (10) is installed inside the left support frame (8), and the servo motor (10) is fixedly connected to the left support frame (8).

7. The adjustable hollow rotating platform according to claim 6, characterized in that: The output end of the servo motor (10) is sleeved with a pulley assembly (11), and the pulley assembly (11) is slidably connected to the output end of the servo motor (10).

8. The adjustable hollow rotating platform according to claim 6, characterized in that: A movable shaft (9) is installed inside the left support frame (8) on one side of the servo motor (10), and the movable shaft (9) is movably connected to the left support frame (8), the movable shaft (9) is connected to the turning frame (7), and the pulley assembly (11) extends to the surface of the movable shaft (9).

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