Anti-shaking linear module for ball screw
By designing an anti-shaking structure on the ball screw, and using the abutment assembly and shock absorbing assembly to tighten the end of the screw, the problem of ball screw shaking in a vibrating environment is solved, and the stability and convenience of replacement of the equipment are achieved.
Patent Information
- Application Number
- CN202423007679.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-12-06
AI Technical Summary
The existing ball screws are prone to shake in vibration environments, resulting in poor use and the springs of anti-shaking equipment are prone to damage, which is time-consuming and laborious to disassemble and replace.
An anti-shaking structure is designed, including a mounting plate, a fixed plate, a movable rod, abutment assembly and a shock absorbing assembly. The abutment assembly and a shock absorbing assembly are pressed against the end of the screw from the horizontal direction to prevent shaking, and a detachable design is adopted to facilitate replacement.
It effectively prevents screw shaking, extends service life, is flexible in operation, simplifies the replacement process, and improves the stability and convenience of the equipment.
Smart Images
Figure CN223282484U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ball screws, in particular to an anti-sway linear module for ball screws. Background Art
[0002] A ball screw is a mechanical component that converts rotational motion into linear motion. It consists of a screw and a nut housing, and requires a slider, guide rails, and a servo motor. In existing ball screws, the servo motor rotates the screw, which in turn drives the nut housing, achieving linear motion.
[0003] When existing ball screws are installed and used in environments with strong vibrations, they may experience slight wobbling, which can affect their performance. Therefore, an anti-sway device, typically a spring-loaded support structure, is required. However, in existing anti-sway devices, the spring constantly supports the screw and can easily become damaged after prolonged use. Furthermore, when the spring is damaged, the screw must be disassembled to replace it, as it still supports the screw. This process is time-consuming and labor-intensive. Utility Model Content
[0004] The main purpose of the present invention is to provide an anti-sway linear module for a ball screw, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A linear module for ball screw anti-sway, including a base, a guide rail fixed on the base, and a slider on the guide rail, a servo motor is provided at the end of the base, and a screw is installed on the base through a bearing seat, an anti-sway structure is installed on the base, and the anti-sway structure abuts on the end shaft of the screw, the anti-sway structure includes a mounting plate, a fixed plate, a movable rod, an abutment assembly and a shock-absorbing assembly, the mounting plate is fixedly connected to the fixed plate, the movable rod passes through the fixed plate, and the end of the movable rod is connected to the abutment assembly, and the shock-absorbing assembly is connected between the fixed plate and the abutment assembly.
[0007] Preferably, the servo motor is fixedly connected to one end of the screw rod, a movable plate is installed on the slider, and a nut seat is installed on the lower surface of the movable plate.
[0008] Preferably, the screw rod passes through the nut seat, and the screw rod is threadedly connected to the nut seat.
[0009] Preferably, the anti-sway structure also includes a mounting screw, a second slot, a circular hole, a connecting screw slot, a limiting rod and a stud. The fixed plate, movable rod, abutment assembly and shock-absorbing assembly are symmetrically arranged on the mounting plate. The mounting screw is arranged on the mounting plate, and the mounting plate is fixed to the base by the mounting screw. The second slot is opened on the fixed plate, the circular hole is arranged at the end of the movable rod, and the movable rod is fixedly connected to the abutment assembly by the connecting screw.
[0010] Preferably, the connecting groove is provided at the end of the movable rod, the limiting rod is fixedly connected to the stud, and the fixing plate is threadedly connected to the connecting groove.
[0011] Preferably, the abutment assembly includes an abutment plate, a first slot, a connecting block and a threaded hole, the first slot is provided on the abutment plate, and the abutment plate is fixedly connected to the connecting block, and the threaded hole is provided on the connecting block.
[0012] Preferably, the shock absorbing assembly includes a first plug rod, a first circular plate, a second plug rod, a second circular plate and a shock absorbing spring, the first plug rod is fixedly connected to the first circular plate, and the first plug rod is inserted in the second slot, the second plug rod is fixedly connected to the second circular plate, and the second plug rod is inserted in the first slot, the end of the shock absorbing spring is sleeved on the first plug rod and the second plug rod, and the end of the shock absorbing spring is in contact with the first circular plate and the second circular plate.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the anti-sway device for the ball screw has an anti-sway structure, and the abutment assembly and the shock-absorbing assembly play a role of tightening the end of the screw rod from the horizontal direction. While playing the role of anti-sway, the anti-sway structure does not need to support the screw rod, which can extend the service life to a certain extent. The abutment assembly and the movable rod are detachable, which is convenient for disassembly and replacement of the abutment assembly. A limit rod is set at the end of the movable rod to play a limiting role. At the same time, the movable rod can be moved and made to move out of position by the limit rod, which is convenient for the installation and abutment of the end of the screw rod. The shock-absorbing assembly is installed between the abutment assembly and the fixed plate in a plug-in manner. It has high stability after installation and can be quickly disassembled and replaced with high operational flexibility. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a schematic structural diagram of the anti-sway structure of the utility model;
[0016] Figure 3 This is a structural diagram of the abutment component of the present invention;
[0017] Figure 4 For this utility model Figure 3Enlarged view of point A in the middle;
[0018] Figure 5 This is a structural diagram of the shock-absorbing component of the utility model.
[0019] In the figure: 1. base; 2. guide rail; 3. slider; 4. servo motor; 5. screw rod; 6. movable plate; 7. nut seat; 8. anti-sway structure; 801. mounting plate; 802. fixed plate; 803. movable rod; 804. abutment assembly; 8041. abutment plate; 8042. first slot; 8043. connecting block; 8044. threaded hole; 805. shock-absorbing assembly; 8051. first plug rod; 8052. first circular plate; 8053. second plug rod; 8054. second circular plate; 8055. shock-absorbing spring; 806. mounting screw; 807. second slot; 808. circular hole; 809. connecting screw; 810. connecting groove; 811. limiting rod; 812. stud. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0021] like Figure 1-Figure 5 As shown, a linear module for ball screw anti-sway includes a base 1, a guide rail 2 is fixed on the base 1, and a slider 3 is provided on the guide rail 2, a servo motor 4 is provided at the end of the base 1, and a screw rod 5 is installed on the base 1 through a bearing seat, an anti-sway structure 8 is installed on the base 1, the servo motor 4 is fixedly connected to one end of the screw rod 5, a movable plate 6 is installed on the slider 3, and a nut seat 7 is installed on the lower surface of the movable plate 6, the screw rod 5 passes through the nut seat 7, and the screw rod 5 is threadedly connected to the nut seat 7.
[0022] When installing the equipment, the screw rod 5 is installed on the base 1 through the bearing seat, the servo motor 4 is arranged at the end of the base 1, and the nut seat 7 is installed on the lower surface of the movable plate 6. An anti-sway structure 8 is provided on the base 1, and the anti-sway structure 8 abuts against the shaft at the end of the screw rod 5, and then starts to be used. During use, the servo motor 4 rotates with the screw rod 5. Under the drive of the screw rod 5, the nut seat 7 generates a force on the movable plate 6, so that the movable plate 6 moves along the guide rail 2 through the slider 3, thereby achieving the purpose of linear motion. In this process, the anti-sway structure 8 plays a role in pressing the shaft at the end of the screw rod 5 to prevent sway, thereby ensuring that the entire equipment has good stability.
[0023] Through the above implementation scheme, the anti-sway structure 8 abuts against the end shaft of the screw rod 5, and the anti-sway structure 8 includes a mounting plate 801, a fixed plate 802, a movable rod 803, an abutment assembly 804 and a shock-absorbing assembly 805. The mounting plate 801 is fixedly connected to the fixed plate 802, the movable rod 803 passes through the fixed plate 802, and the end of the movable rod 803 is connected to the abutment assembly 804, and the shock-absorbing assembly 805 is connected between the fixed plate 802 and the abutment assembly 804. The anti-sway structure 8 also includes a mounting screw 806, a second slot 807, a circular hole 808, a connecting screw 809, a connecting groove 810, a limiting rod 811 and a stud 812. The fixed plate 802, the movable rod 803, the abutment assembly 804, and the shock-absorbing assembly 805 are fixedly connected to the fixing plate 802. 801 is symmetrically arranged, the mounting screw 806 is arranged on the mounting plate 801, and the mounting plate 801 is fixed to the base 1 by the mounting screw 806, the second slot 807 is opened on the fixing plate 802, the circular hole 808 is set at the end of the movable rod 803, and the movable rod 803 is fixedly connected to the abutment assembly 804 by the connecting screw 809, the connecting groove 810 is opened at the end of the movable rod 803, the limiting rod 811 is fixedly connected to the stud 812, and the fixing plate 802 is threadedly connected to the connecting groove 810, the abutment assembly 804 includes an abutment plate 8041, a first slot 8042, a connecting block 8043 and a threaded hole 8044, the first slot 8042 is opened on the abutment plate 8041, and the abutment plate 8041 and the connecting The block 8043 is fixedly connected, and the threaded hole 8044 is opened on the connecting block 8043. The shock-absorbing assembly 805 includes a first plug rod 8051, a first circular plate 8052, a second plug rod 8053, a second circular plate 8054 and a shock-absorbing spring 8055. The first plug rod 8051 is fixedly connected to the first circular plate 8052, and the first plug rod 8051 is inserted into the second slot 807. The second plug rod 8053 is fixedly connected to the second circular plate 8054, and the second plug rod 8053 is inserted into the first slot 8042. The end of the shock-absorbing spring 8055 is sleeved on the first plug rod 8051 and the second plug rod 8053, and the end of the shock-absorbing spring 8055 is in contact with the first circular plate 8052 and the second circular plate 8054. Through the anti-sway structure 8. The abutment component 804 and the shock-absorbing component 805 play a role of tightening the end of the screw rod 5 in the horizontal direction. While playing a role of preventing shaking, the anti-sway structure 8 does not need to support the screw rod 5, which can extend the service life to a certain extent. The abutment component 804 and the movable rod 803 are detachable, which is convenient for disassembly and replacement of the abutment component 804. A limit rod 811 is set at the end of the movable rod 803, which can play a limiting role. At the same time, the movable rod 803 can be moved out of position by the limit rod 811, which is convenient for the installation and abutment of the end of the screw rod 5. The shock-absorbing component 805 is installed between the abutment component 804 and the fixed plate 802 in a plug-in manner. It has high stability after installation and can be quickly disassembled and replaced, with high operational flexibility.
[0024] When installing the anti-sway structure 8, the mounting plate 801 is fixed to the base 1 by means of the mounting screws 806, the movable rod 803 passes through the fixed plate 802, the connecting block 8043 in the abutting assembly 804 is inserted into the movable rod 803, and the round hole 808 is aligned with the threaded hole 8044. The connecting screw 809 is inserted into the round hole 808 so that the end of the connecting screw 809 is screwed into the threaded hole 8044, thereby completing the installation of the abutting assembly 804. Subsequently, the limiting rod 811 is installed on the movable rod 803 using the connecting groove 810 and the stud 812, and the shock absorbing assembly 805 is installed between the fixed plate 802 and the abutting assembly 804. During installation, the ends of the shock absorbing spring 8055 are first respectively sleeved on the first plug rod 8051 and the second plug rod 8053, so that the shock absorbing spring The end of 8055 abuts the first circular plate 8052 and the second circular plate 8054, and then after compressing the shock-absorbing spring 8055, the first plug rod 8051 and the second plug rod 8053 are respectively inserted into the second slot 807 and the first slot 8042, thereby completing the installation of the shock-absorbing assembly 805. After the entire anti-sway structure 8 is installed, the abutment plate 8041 in the abutment assembly 804 contacts the shaft at the end of the screw rod 5. When the screw rod 5 rotates and vibrates, due to the action of the shock-absorbing spring 8055, the energy generated by the vibration of the screw rod 5 can be absorbed, thereby reducing the shaking caused by the operation of the screw rod 5 and playing an anti-sway role. When necessary, the shock-absorbing assembly 805 can be quickly removed for replacement, and the abutment assembly 804 can also be quickly removed for corresponding operations. It has a simple structure and is easy to operate.
[0025] The above content describes the operating principles, features, and beneficial effects of the present invention. Persons skilled in the art will appreciate that the above content does not limit the present invention. The above embodiments and description describe the basic principles and features of the present invention. Various modifications and improvements may be made to the present invention as long as they are consistent with the concept of the present invention, and all such modifications shall fall within the scope of protection claimed by the present invention.
Claims
1. A linear module for ball screw anti-shake, comprising a base (1), a guide rail (2) fixed on the base (1), a slider (3) provided on the guide rail (2), a servo motor (4) provided at the end of the base (1), and a screw (5) mounted on the base (1) via a bearing seat, characterized in that: An anti-sway structure (8) is installed on the base (1), and the anti-sway structure (8) abuts against the end shaft of the screw rod (5). The anti-sway structure (8) includes a mounting plate (801), a fixed plate (802), a movable rod (803), an abutment assembly (804) and a shock-absorbing assembly (805). The mounting plate (801) is fixedly connected to the fixed plate (802), the movable rod (803) passes through the fixed plate (802), and the end of the movable rod (803) is connected to the abutment assembly (804). The shock-absorbing assembly (805) is connected between the fixed plate (802) and the abutment assembly (804).
2. The anti-sway linear module for ball screw according to claim 1, characterized in that: The servo motor (4) is fixedly connected to one end of the screw rod (5); a movable plate (6) is installed on the slider (3); and a nut seat (7) is installed on the lower surface of the movable plate (6).
3. The anti-sway linear module for ball screw according to claim 2, characterized in that: The screw rod (5) passes through the nut seat (7), and the screw rod (5) is threadedly connected to the nut seat (7).
4. The anti-sway linear module for ball screw according to claim 3, characterized in that: The anti-sway structure (8) further comprises a mounting screw (806), a second slot (807), a circular hole (808), a connecting screw (809), a connecting slot (810), a limiting rod (811) and a stud (812); the fixed plate (802), the movable rod (803), the abutment assembly (804) and the shock-absorbing assembly (805) are symmetrically arranged on the mounting plate (801); the mounting screw (806) is arranged on the mounting plate (801), and the mounting plate (801) is fixed to the base (1) by the mounting screw (806); the second slot (807) is opened on the fixed plate (802); the circular hole (808) is arranged at the end of the movable rod (803), and the movable rod (803) is fixedly connected to the abutment assembly (804) by the connecting screw (809).
5. The anti-sway linear module for ball screw according to claim 4, characterized in that: The connecting groove (810) is provided at the end of the movable rod (803), the limiting rod (811) is fixedly connected to the stud (812), and the fixing plate (802) is threadedly connected to the connecting groove (810).
6. The anti-sway linear module for ball screw according to claim 5, characterized in that: The abutment assembly (804) comprises an abutment plate (8041), a first slot (8042), a connecting block (8043) and a threaded hole (8044); the first slot (8042) is provided on the abutment plate (8041), the abutment plate (8041) is fixedly connected to the connecting block (8043), and the threaded hole (8044) is provided on the connecting block (8043).
7. The anti-sway linear module for ball screw according to claim 6, characterized in that: The shock absorbing assembly (805) includes a first plug rod (8051), a first circular plate (8052), a second plug rod (8053), a second circular plate (8054) and a shock absorbing spring (8055). The first plug rod (8051) is fixedly connected to the first circular plate (8052), and the first plug rod (8051) is inserted into the second slot (807). The second plug rod (8053) is fixedly connected to the second circular plate (8054), and the second plug rod (8053) is inserted into the first slot (8042). The end of the shock absorbing spring (8055) is sleeved on the first plug rod (8051) and the second plug rod (8053), and the end of the shock absorbing spring (8055) is in contact with the first circular plate (8052) and the second circular plate (8054).