Direct drive motor capable of preventing vibration and swing

Abstract

The utility model discloses an anti-vibration and anti-swing direct drive motor, which relates to the technical field of direct drive motors and comprises a movable rail beam, tail end limiting cover plates are arranged on the side walls of the two ends of the movable rail beam, ball grooves are formed in the two sides of the top of the movable rail beam, and a plurality of contact balls are arranged on the inner walls of the ball grooves. A sliding block module is slidably connected to the top of the movable rail beam, and a movable assembly is arranged at the bottom of the sliding block module. And the moving assembly comprises a bottom placement plate arranged at the bottom of the sliding block module, placement grooves are formed in the side walls of the two sides of the bottom placement plate, and ball walking plates are arranged on the inner walls of the placement grooves. According to the utility model, the motion precision and the stability are improved.

Description

Technical Field

[0001] This utility model mainly relates to the technical field of direct drive motors, specifically a direct drive motor with anti-vibration and oscillation properties. Background Technology

[0002] A direct-drive motor is a motor technology that can directly drive a load. It directly couples or connects a new type of rotary or linear motor to the driven load to achieve drive. A direct-drive motor generates a magnetic field through the magnetic effect of electric current, causing the motor rotor to rotate, thereby directly driving the load. Because it eliminates many intermediate components in traditional systems, such as belts, chains, wire ropes, and gearboxes, its structure is greatly simplified.

[0003] A linear motor is provided according to application number CN201821732837.5. The linear motor includes a base (1), a stator assembly (2), and a mover assembly (3), wherein the stator assembly (2) is slidably mounted on the base (1). According to this invention, the linear motor can shorten the stator length while maintaining the mover's motion length, thereby reducing the cost of the linear motor.

[0004] In the existing technology, there is a lack of optimization, especially for moving parts. This causes the direct drive motor to wobble and vibrate during use, which leads to a decrease in the accuracy and stability of the direct drive motor during use. Utility Model Content

[0005] Therefore, the purpose of this utility model is to provide a direct drive motor that is resistant to vibration and swaying, so as to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A vibration-resistant direct drive motor includes a moving rail beam, with tail end limiting covers on the side walls at both ends of the moving rail beam, ball grooves on both sides of the top of the moving rail beam, and multiple contact balls on the inner wall of the ball grooves. A slider module is slidably connected to the top of the moving rail beam, and a moving component is provided at the bottom of the slider module.

[0008] The moving component includes a bottom mounting plate disposed at the bottom of the slider module, the bottom mounting plate having mounting grooves on both side walls, and a ball bearing traveling plate disposed on the inner wall of the mounting groove.

[0009] Preferably, a stator assembly is also provided on the top of the movable rail beam and on one side of the ball groove.

[0010] Preferably, the top of the side wall of the tail end limiting cover is provided with a first mounting hole, and the bottom of the side wall of the tail end limiting cover is provided with a plurality of second mounting holes.

[0011] The inner wall of the first mounting hole is provided with a ball bearing limit screw, and the inner wall of the second mounting hole is connected to the side walls at both ends of the movable rail beam by connecting screws.

[0012] Preferably, the inner wall of the ball groove is provided with dome blocks at both ends. One end of the dome block is slidably connected to one end of the ball limiting screw, and the other end of the dome block is slidably connected to the side wall of one of the contact balls located on one side of the dome block.

[0013] Preferably, the contact balls are arranged in a linear array on the inner wall of the ball groove, and the contact balls slide in contact with each other.

[0014] Preferably, the bottom mounting plate is provided with a moving part assembly.

[0015] Preferably, the ball bearing traveling plate is composed of a connecting side plate at one end and an arc-shaped sliding plate at one end of the connecting side plate;

[0016] The top of the connecting side plate is asymmetrically provided with connecting holes, and the arc-shaped sliding plate is slidably connected to the contact ball. The length of the arc-shaped sliding plate is greater than or equal to three times the diameter of the contact ball.

[0017] In summary, this technical solution has the following main advantages:

[0018] In this invention, by employing a rolling contact method between the contact balls and the ball travel plate, the frictional resistance during movement is greatly reduced, improving movement accuracy and stability. This makes the sliding of the slider module on the moving rail beam smoother, reducing vibration and sway caused by friction. The combined use of the tail end limit cover plate and the ball limit screw ensures stable movement of the slider module within the predetermined stroke, avoiding damage or malfunction caused by exceeding the range. At the same time, the ball limit screw can also fine-tune the position of the contact balls, further improving movement accuracy.

[0019] In addition, the motor adopts a modular design, with tight connections between components that are easy to disassemble, facilitating daily maintenance and upkeep. At the same time, the modular design also allows for the rapid location and replacement of faulty components when a motor malfunctions, reducing maintenance costs and time. Attached Figure Description

[0020] Figure 1 This is an isometric view of the overall structure of this utility model;

[0021] Figure 2 These are enlarged views of the overall structure and some parts of the structure of this utility model;

[0022] Figure 3 This is an isometric drawing of the specific structure of the mobile component of this utility model;

[0023] Figure 4 This is a plan view of the overall structure of this utility model;

[0024] Figure 5 This is a plan view of the inner wall structure of the movable track beam of this utility model.

[0025] Figure descriptions: 10. Moving rail beam; 11. Tail end limiting cover plate; 12. Ball groove; 13. Contact ball; 14. Slider module; 15. Stator assembly; 20. Moving assembly; 21. Bottom mounting plate; 211. Moving part assembly; 22. Mounting groove; 23. Ball travel plate; 231. Connecting side plate; 232. Arc-shaped sliding plate; 233. Connecting hole; 111. First mounting hole; 112. Second mounting hole; 113. Ball limiting screw; 121. Dome block. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0027] Example

[0028] like Figures 1 to 5 As shown, a vibration-resistant direct drive motor includes a moving rail beam 10. The side walls at both ends of the moving rail beam 10 are provided with tail end limiting covers 11. The top two sides of the moving rail beam 10 are provided with ball grooves 12. The inner wall of the ball grooves 12 is provided with multiple contact balls 13. The top of the moving rail beam 10 is slidably connected to a slider module 14. The bottom of the slider module 14 is provided with a moving component 20.

[0029] The moving component 20 includes a bottom mounting plate 21 disposed at the bottom of the slider module 14. The bottom mounting plate 21 has mounting grooves 22 on both side walls, and a ball bearing traveling plate 23 is disposed on the inner wall of the mounting grooves 22.

[0030] A stator assembly 15 is also provided on the top of the movable rail beam 10 and on one side of the ball groove 12.

[0031] The top of the side wall of the tail end limiting cover plate 11 is provided with a first mounting hole 111, and the bottom of the side wall of the tail end limiting cover plate 11 is provided with a plurality of second mounting holes 112.

[0032] A ball bearing limit screw 113 passes through the inner wall of the first mounting hole 111, and the inner wall of the second mounting hole 112 is connected to the side walls of both ends of the movable rail beam 10 by connecting screws.

[0033] The inner wall of the ball groove 12 is provided with dome blocks 121 at both ends. One end of the dome block 121 is slidably connected to one end of the ball limiting screw 113, and the other end of the dome block 121 is slidably connected to the side wall of a contact ball 13 located on one side of the dome block 121.

[0034] The contact balls 13 are arranged in a linear array on the inner wall of the ball groove 12, and the contact balls 13 slide in contact with each other.

[0035] The bottom mounting plate 21 has a moving part assembly 211 at its bottom.

[0036] The ball bearing traveling plate 23 is composed of a connecting side plate 231 at one end and an arc-shaped sliding plate 232 at one end of the connecting side plate 231.

[0037] The top of the connecting side plate 231 is asymmetrically provided with connecting holes 233, and the arc-shaped sliding plate 232 is slidably connected to the contact ball 13. The length of the arc-shaped sliding plate 232 is greater than or equal to three times the diameter of the contact ball 13.

[0038] It should be noted that in this embodiment, the direct drive motor mainly includes a moving rail beam 10, which serves as the main support structure of the motor and has sufficient rigidity and stability.

[0039] The two end side walls of the movable rail beam 10 are respectively provided with tail end limiting cover plates 11, which are used to limit the sliding range of the slider module 14 on the movable rail beam 10, so as to ensure that it will not fall off or exceed the predetermined stroke during operation.

[0040] The top two sides of the moving track beam 10 are provided with ball grooves 12, and multiple contact balls 13 are distributed on the inner wall of these grooves. The contact balls 13 roll in the ball grooves 12 and form rolling contact with the ball travel plate 23 at the bottom of the slider module 14, thereby reducing friction and improving motion accuracy and stability.

[0041] A stator assembly 15 is provided on the top of the moving track beam 10, and on one side of the ball bearing groove 12. The stator assembly 15 is the fixed part of the linear motor and is used to generate a magnetic field.

[0042] The tail end limiting cover plate 11 has a first mounting hole 111 on the top of its side wall for installing or fixing other components; at the same time, the bottom of its side wall has a plurality of second mounting holes 112. These holes are connected to the side walls of both ends of the moving rail beam 10 by connecting screws to ensure that the tail end limiting cover plate 11 is firmly fixed on the moving rail beam 10.

[0043] A ball limit screw 113 is provided through the inner wall of the first mounting hole 111. The screw is used to adjust the position of the contact ball 13 in the ball groove 12, thereby further controlling the movement range of the slider module 14; at the same time, it plays a limiting role, effectively preventing multiple contact balls 13 from being too loose and affecting the normal use of the moving parts.

[0044] Furthermore, dome blocks 121 are provided at both ends of the inner wall of the ball groove 12. One end of these dome blocks 121 is slidably connected to one end of the ball limiting screw 113, and the other end is slidably connected to the side wall of a contact ball 13 located on one side of the dome block 121. This design helps to maintain the stable rolling of the contact ball 13 in the ball groove 12.

[0045] The contact balls 13 are arranged in a linear array on the inner wall of the ball groove 12 and slide in contact with each other; this distribution ensures the smoothness and continuity of the slider module 14 during movement.

[0046] The bottom of the slider module 14 is provided with a bottom mounting plate 21, which is used to install and fix key components such as the moving part assembly 211.

[0047] The bottom mounting plate 21 has mounting grooves 22 on both sides of its sidewalls, and a ball bearing traveling plate 23 is provided on the inner wall of the mounting grooves 22. The ball bearing traveling plate 23 is composed of a connecting side plate 231 and an arc-shaped sliding plate 232, wherein the arc-shaped sliding plate 232 is slidably connected to the contact ball 13. The length of the arc-shaped sliding plate 232 is greater than or equal to three times the diameter of the contact ball 13. This design helps to reduce rolling friction and improve motion accuracy.

[0048] The bottom of the bottom mounting plate 21 is provided with a mover assembly 211, which is the movable part of the linear motor and is used to move in the magnetic field generated by the stator assembly 15, thereby driving the slider module 14 to slide along the moving rail beam 10.

[0049] The above embodiments are only for illustrating the technical concept of this utility model and should not be construed as limiting the scope of protection of this utility model. Any modifications made to the technical solution based on the technical concept proposed by this utility model shall fall within the scope of protection of this utility model.

Claims

1. A direct-drive motor with vibration-resistant oscillation, characterized in that... The system includes a movable rail beam (10), with tail end limiting cover plates (11) on both side walls of the movable rail beam (10), ball grooves (12) on both sides of the top of the movable rail beam (10), and multiple contact balls (13) on the inner wall of the ball grooves (12). A slider module (14) is slidably connected to the top of the movable rail beam (10), and a moving component (20) is provided at the bottom of the slider module (14). The moving component (20) includes a bottom mounting plate (21) at the bottom of the slider module (14), and mounting grooves (22) are provided on both sides of the bottom mounting plate (21). A ball bearing traveling plate (23) is provided on the inner wall of the mounting groove (22).

2. The anti-vibration oscillation direct drive motor according to claim 1, characterized in that, A stator assembly (15) is also provided on the top of the movable rail beam (10) and on one side of the ball groove (12).

3. The anti-vibration oscillation direct drive motor according to claim 1, characterized in that, The top of the side wall of the tail end limiting cover (11) is provided with a first mounting hole (111), and the bottom of the side wall of the tail end limiting cover (11) is provided with a plurality of second mounting holes (112). A ball bearing limiting screw (113) passes through the inner wall of the first mounting hole (111), and the inner wall of the second mounting hole (112) is connected to the side walls of both ends of the movable rail beam (10) by connecting screws.

4. A direct-drive motor for vibration and oscillation protection according to claim 3, characterized in that, The inner wall of the ball groove (12) is provided with dome blocks (121) at both ends. One end of the dome block (121) is slidably connected to one end of the ball limiting screw (113), and the other end of the dome block (121) is slidably connected to the side wall of a contact ball (13) located on one side of the dome block (121).

5. A direct-drive motor for vibration and oscillation protection according to claim 1, characterized in that, The contact balls (13) are arranged in a linear array on the inner wall of the ball groove (12), and the contact balls (13) slide in contact with each other.

6. A direct-drive motor for vibration and oscillation protection according to claim 1, characterized in that, The bottom mounting plate (21) is provided with a moving part assembly (211) at the bottom.

7. A direct-drive motor for vibration and oscillation protection according to claim 1, characterized in that, The ball bearing traveling plate (23) is composed of a connecting side plate (231) at one end and an arc-shaped sliding plate (232) at one end of the connecting side plate (231); The top of the connecting side plate (231) is asymmetrically provided with connecting holes (233), the arc-shaped sliding plate (232) is slidably connected to the contact ball (13), and the length of the arc-shaped sliding plate (232) is greater than or equal to three times the diameter of the contact ball (13).

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