Toothed belt type electric cylinder with high precision

Abstract

The utility model relates to the technical field of cog belt type electric cylinders, and discloses a high-precision cog belt type electric cylinder which comprises a mounting table, a telescopic cavity is fixedly connected to the outer portion of the mounting table, limiting grooves are symmetrically formed in the telescopic cavity, a limiting head is slidably connected to the interior of the telescopic cavity, and limiting blocks are symmetrically and fixedly connected to the outer portion of the limiting head. According to the telescopic cylinder, the limiting blocks outside the limiting head slide in the limiting grooves, limiting of the limiting head is achieved, the transmission stability of the telescopic cylinder is improved, and the telescopic cylinder is convenient to use. The transmission precision of the telescopic cylinder is improved by moving an arc-shaped block outside a limiting head and a first ball in an arc-shaped groove, the bolt is separated from a first threaded hole and a second threaded hole by rotating the bolt, the mounting head is rapidly replaced, and the adaptability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of toothed belt type electric cylinders, in particular to a toothed belt type electric cylinder with high precision. Background Art

[0002] Toothed belt cylinder is an electric actuator, usually composed of electric motor, toothed belt, guide rail and transmission. Its working principle is similar to that of traditional worm gear cylinder, but it uses toothed belt drive system to achieve linear motion.

[0003] Chinese patent CN217519156U discloses a toothed belt electric cylinder structure, including a guide rail, one end of the guide rail is rotatably connected to a No. 1 pulley, one end of the guide rail is rotatably connected to a No. 1 pulley, the other end of the guide rail is rotatably connected to a No. 2 pulley, the outer surfaces of the No. 1 pulley and the No. 2 pulley are meshed with a toothed belt, the upper surface of the toothed belt is fixedly connected to a slider, the slider and the guide rail are slidably connected, both side surfaces of the slider are fixedly connected to an oil filling seat, one side surface of the oil filling seat is embedded and fixedly connected to a cleaning sheet, one side surface of the slider is fixedly connected to a storage tube, the outer surface of the storage tube is nested and connected to a No. 1 clamp, and the No. 1 clamp is fixedly connected to the slider.

[0004] The above patent can reduce the frequency of manual cleaning of the slider, further improve the working efficiency of the equipment, and add lubricating oil to the slider without disassembling the equipment. However, in actual use, its transmission accuracy is low, and the mounting head cannot be replaced, and its adaptability is low. In order to solve the above problems, a high-precision toothed belt electric cylinder is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a toothed belt electric cylinder with high precision in order to solve the above problems, thereby solving the problems mentioned in the background technology.

[0006] In order to solve the above problems, the utility model provides a technical solution:

[0007] A high-precision toothed belt electric cylinder comprises a mounting table, the outside of the mounting table is fixedly connected with a telescopic cavity, the inside of the telescopic cavity is symmetrically provided with a limit groove, the inside of the telescopic cavity is slidably connected with a limit head, the outside of the limit head is symmetrically fixedly connected with a limit block, and each of the limit blocks slides in the corresponding limit groove, the outside of the limit groove is symmetrically fixedly connected with an arc block, the inside of the telescopic cavity is symmetrically provided with an arc groove used to cooperate with the arc block, the inside of each arc block is equidistantly rollingly connected with a first ball, and the outer surface of each of the first balls contacts the inner wall of the corresponding arc groove.

[0008] As a preferred solution of the utility model, the outside of the mounting platform is fixedly connected to a motor, the driving end of the motor is fixedly connected to a transmission shaft, and the transmission shaft passes through the mounting platform and is fixedly connected to an active synchronous wheel, the inside of the telescopic cavity is rotatably connected to a screw rod, one end of the screw rod passes through the mounting platform and is fixedly connected to a driven synchronous wheel, the active synchronous wheel and the driven synchronous wheel are connected by a synchronous belt, and the screw rod is threadedly connected to a limit head.

[0009] As a preferred solution of the utility model, a roller is fixedly connected to the outside of the screw rod, annular grooves are equidistantly provided inside the roller, a plurality of second balls are arranged inside each of the annular grooves, and the outer surface of each of the second balls contacts the inner wall of the telescopic cavity.

[0010] As a preferred solution of the utility model, the outside of the limit head is fixedly connected with a buffer head, the inside of the buffer head is fixedly connected with a telescopic cylinder, and the telescopic cylinder is slidably connected with the telescopic cavity.

[0011] As a preferred solution of the utility model, a first threaded hole is opened inside the telescopic cylinder, and a mounting head is slidably connected inside the telescopic cylinder.

[0012] As a preferred solution of the utility model, a second threaded hole is provided inside the mounting head, a bolt is provided outside the telescopic cylinder, and the bolt is threadedly connected to the first threaded hole and the second threaded hole.

[0013] The beneficial effects of the utility model are as follows: the limiting block outside the limiting head slides in the limiting groove to limit the limiting head and improve the transmission stability of the telescopic cylinder; the arc block outside the limiting head and the first ball move inside the arc groove to improve the transmission accuracy of the telescopic cylinder; the bolt is separated from the first threaded hole and the second threaded hole by rotating the bolt to achieve quick replacement of the installation head and improve adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the telescopic chamber of the utility model;

[0017] Figure 3 It is a schematic diagram of the internal structure of the limit groove of the utility model;

[0018] Figure 4 It is a schematic diagram of the connection structure of the limit head of the utility model;

[0019] Figure 5 It is a schematic diagram of the connection structure of the screw rod of the utility model;

[0020] Figure 6 It is a schematic diagram of the connection structure of the telescopic cylinder of the utility model.

[0021] In the figure: 1. mounting table; 2. telescopic cavity; 3. limiting groove; 4. limiting head; 5. limiting block; 6. arc block; 7. arc groove; 8. first ball; 9. motor; 10. transmission shaft; 11. active synchronous wheel; 12. screw rod; 13. driven synchronous wheel; 14. roller; 15. annular groove; 16. second ball; 17. buffer head; 18. telescopic cylinder; 19. first threaded hole; 20. mounting head; 21. second threaded hole; 22. bolt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] Example

[0024] See also Figure 1 - Figure 6 The utility model provides a technical solution: a toothed belt electric cylinder with high precision, including a mounting platform 1, a telescopic chamber 2 is fixedly connected to the outside of the mounting platform 1, a limiting groove 3 is symmetrically arranged inside the telescopic chamber 2, a limiting head 4 is slidably connected to the inside of the telescopic chamber 2, and the limiting head 4 drives the limiting block 5 to slide inside the limiting groove 3 when the limiting head 4 moves, and the limiting block 5 is symmetrically fixedly connected to the outside of the limiting head 4. The limiting block 5 and the limiting groove 3 can be used in combination to limit the limiting head 4 to prevent the limiting groove 3 from following the screw rod 1 2 rotates together, and each limit block 5 is located in the corresponding limit groove 3 and slides. The outside of the limit groove 3 is symmetrically fixedly connected with an arc block 6. The first ball 8 inside the arc block 6 rolls on the inner wall of the arc groove 7, which improves the moving smoothness of the limit head 4, has low noise and high precision. The inside of the telescopic cavity 2 is symmetrically provided with an arc groove 7 used for matching the arc block 6. The inside of each arc block 6 is equidistantly connected with a first ball 8, and the outer surface of each first ball 8 contacts the inner wall of the corresponding arc groove 7.

[0025] Furthermore, the outside of the mounting platform 1 is fixedly connected to a motor 9, and the motor 9 drives the transmission shaft 10 to rotate. The driving end of the motor 9 is fixedly connected to the transmission shaft 10. When the transmission shaft 10 rotates, it drives the active synchronous wheel 11 to rotate. The transmission shaft 10 passes through the mounting platform 1 and is fixedly connected to the active synchronous wheel 11. When the active synchronous wheel 11 rotates, it drives the driven synchronous wheel 13 to rotate through the synchronous belt. The inside of the telescopic cavity 2 is rotatably connected to a screw rod 12. When the screw rod 12 rotates, it drives the roller 14 to rotate. One end of the screw rod 12 passes through the mounting platform 1 and is fixedly connected to the driven synchronous wheel 13. The driven synchronous wheel 13 When it rotates, it drives the screw rod 12 to rotate. The active synchronous wheel 11 and the driven synchronous wheel 13 are connected by a synchronous belt. The screw rod 12 is threadedly connected to the limit head 4. When the screw rod 12 rotates, it drives the limit head 4 to move. The outside of the screw rod 12 is fixedly connected to a roller 14, and annular grooves 15 are equidistantly provided inside the roller 14. When the roller 14 rotates, it drives the second ball 16 inside the annular groove 15 to roll, thereby improving the transmission smoothness of the screw rod 12. A plurality of second balls 16 are arranged inside each annular groove 15, and the outer surface of each second ball 16 contacts the inner wall of the telescopic cavity 2.

[0026] Furthermore, the outside of the limit head 4 is fixedly connected to a buffer head 17, which has a buffering effect. The inside of the buffer head 17 is fixedly connected to a telescopic cylinder 18. When the telescopic cylinder 18 slides, it drives the mounting head 20 to move, thereby converting the rotational motion into linear motion. The telescopic cylinder 18 is slidably connected to the telescopic cavity 2. A first threaded hole 19 is provided inside the telescopic cylinder 18. The mounting head 20 is slidably connected inside the telescopic cylinder 18. A second threaded hole 21 is provided inside the mounting head 20. A bolt 22 is provided on the outside of the telescopic cylinder 18, and the bolt 22 is threadedly connected to the first threaded hole 19 and the second threaded hole 21. By rotating the bolt 22 to separate the bolt 22 from the second threaded hole 21 and the first threaded hole 19, the mounting head 20 can be replaced. The method is simple, fast and highly adaptable.

[0027] In summary: when in use, the motor 9 is started, and the motor 9 drives the transmission shaft 10 to rotate. When the transmission shaft 10 rotates, it drives the active synchronous wheel 11 to rotate. When the active synchronous wheel 11 rotates, it drives the driven synchronous wheel 13 to rotate through the synchronous belt. When the driven synchronous wheel 13 rotates, it drives the screw rod 12 to rotate. When the screw rod 12 rotates, it drives the roller 14 to rotate. When the roller 14 rotates, it drives the second ball 16 inside the annular groove 15 to roll, thereby improving the transmission smoothness of the screw rod 12. When the screw rod 12 rotates, it drives the limit head 4 to move. When the limit head 4 moves, it drives the limit block 5 to slide inside the limit groove 3. The cooperation of the limit block 5 and the limit groove 3 can be used to limit the limit head 4. The limit is arranged to prevent the limit groove 3 from rotating together with the screw rod 12. When the limit head 4 moves, it drives the arc block 6 to slide inside the arc groove 7, and the first ball 8 inside the arc block 6 rolls on the inner wall of the arc groove 7, so as to improve the movement smoothness of the limit head 4, with low noise and high precision. When the limit head 4 moves, it drives the buffer head 17 to move, and when the buffer head 17 moves, it drives the telescopic cylinder 18 to slide, and when the telescopic cylinder 18 slides, it drives the mounting head 20 to move, so as to convert the rotational motion into the linear motion. By rotating the bolt 22, the bolt 22 is separated from the second threaded hole 21 and the first threaded hole 19, and the mounting head 20 can be replaced, which is simple, fast and highly adaptable.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. High-precision toothed belt electric cylinder, characterized in that: The invention comprises a mounting platform (1), wherein the mounting platform (1) is fixedly connected to a telescopic cavity (2) on the outside, a limit groove (3) is symmetrically provided inside the telescopic cavity (2), the telescopic cavity (2) is slidably connected to a limit head (4) on the inside, the limit head (4) is symmetrically fixedly connected to a limit block (5) on the outside, and each limit block (5) is located in a corresponding limit groove (3) for sliding, the limit groove (3) is symmetrically fixedly connected to an arc block (6) on the outside, the telescopic cavity (2) is symmetrically provided with an arc groove (7) for matching with the arc block (6), each arc block (6) is equidistantly connected to a first ball (8) on the inside of the arc block (6), and the outer surface of each first ball (8) is in contact with the inner wall of the corresponding arc groove (7).

2. The high-precision toothed belt electric axis according to claim 1, characterized in that: The outside of the mounting platform (1) is fixedly connected to a motor (9), the driving end of the motor (9) is fixedly connected to a transmission shaft (10), and the transmission shaft (10) passes through the mounting platform (1) and is fixedly connected to an active synchronous wheel (11), the inside of the telescopic cavity (2) is rotatably connected to a screw rod (12), one end of the screw rod (12) passes through the mounting platform (1) and is fixedly connected to a driven synchronous wheel (13), the active synchronous wheel (11) and the driven synchronous wheel (13) are connected via a synchronous belt, and the screw rod (12) is threadedly connected to the limit head (4).

3. The high-precision toothed belt electric cylinder according to claim 2, characterized in that: The outside of the screw rod (12) is fixedly connected to a roller (14), and the inside of the roller (14) is provided with annular grooves (15) at equal intervals. A plurality of second balls (16) are arranged inside each of the annular grooves (15), and the outer surface of each of the second balls (16) contacts the inner wall of the telescopic cavity (2).

4. The high-precision toothed belt electric axis according to claim 1, characterized in that: The outside of the limit head (4) is fixedly connected to a buffer head (17), the inside of the buffer head (17) is fixedly connected to a telescopic cylinder (18), and the telescopic cylinder (18) is slidably connected to the telescopic cavity (2).

5. The high-precision toothed belt electric axis according to claim 4, characterized in that: A first threaded hole (19) is provided inside the telescopic cylinder (18), and a mounting head (20) is slidably connected inside the telescopic cylinder (18).

6. The high-precision toothed belt electric axis according to claim 5, characterized in that: A second threaded hole (21) is provided inside the mounting head (20), a bolt (22) is provided outside the telescopic cylinder (18), and the bolt (22) is threadedly connected to the first threaded hole (19) and the second threaded hole (21).

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