Straightening device for ball screw production

By coordinating the worm gear and hydraulic rod, the limit position and straightening block position of the straightening device used in ball screw production are adjusted, solving the problem that the existing device cannot adapt to ball screws of different lengths and improving the applicability of the device.

CN223491747UActive Publication Date: 2025-10-31CHANGZHOU FULIKANG PRECISION MACHINERY
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422888233.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-10-31
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The limiting mechanism of the existing ball screw straightening device is fixed, which makes it unable to adapt to ball screws of different lengths and reduces the practicality of the device.

Method used

The worm gear structure and hydraulic rod are used to achieve the adjustability of the limit structure. The position of the U-shaped seat is adjusted by the meshing of the worm gear and the sliding of the gear and rack, and the ball screw is clamped and fixed by the hydraulic rod.

Benefits of technology

The device enables adjustment of the limit and straightening block positions based on the length of the ball screw, improving its clamping and fixing capabilities for ball screws of different lengths and enhancing its practicality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223491747U_ABST
    Figure CN223491747U_ABST
Patent Text Reader

Abstract

The utility model discloses a straightening device for ball screw production, which relates to the technical field of ball screws, and comprises a base, the top of the base is fixedly connected with a bearing plate, one side of the base is provided with a rotating mechanism, the top of the bearing plate is provided with a support frame, the support frame is provided with a straightening block structure, and the straightening block structure is arranged on the base. An adjusting structure is arranged between the supporting frame and the base, a second worm is meshed with a second worm gear, the second worm gear drives two gears to rotate through a rotating rod, the two gears are meshed with two racks correspondingly, and the two racks drive two convex blocks to slide in two convex grooves correspondingly; and the two convex blocks drive two U-shaped seats to move towards the other two U-shaped seats, so that the positions of the two U-shaped seats can be adjusted according to the length of the ball screw, the ball screw can be conveniently clamped and fixed by two limiting structures, and the practicability of the device is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of ball screw technology, specifically a straightening device for ball screw production. Background Technology

[0002] Ball screws are ideal products for converting rotary motion into linear motion, or vice versa. They are the most commonly used transmission components in machine tools and precision machinery. Their main function is to convert rotary motion into linear motion, or torque into axial reciprocating force. They also feature high precision, reversibility, and high efficiency. Due to their very low frictional resistance, ball screws are widely used in various industrial equipment and precision instruments.

[0003] The present publication number CN219703061U discloses a straightening device for ball screw production, including a base, a support frame installed on the top of the base, a hydraulic rod installed on the top of the support frame, the telescopic end of the hydraulic rod passing through the support frame and extending to the inner side of the support frame and connected to a straightening block, and a bearing plate installed on the top of the base and at the corresponding position of the straightening block.

[0004] While the above solution offers many advantages, it also has the following drawbacks: the ball screw body is clamped and fixed by multiple limiting mechanisms, but since these mechanisms are all fixed, the device cannot clamp ball screws of different lengths, thus reducing its practicality. Summary of the Invention

[0005] The purpose of this invention is to provide a straightening device for ball screw production, in order to solve the problem in the prior art that the device cannot clamp ball screws of different lengths because multiple limiting mechanisms are fixedly set.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a straightening device for ball screw production, comprising a base, a bearing plate fixedly connected to the top of the base, a rotating mechanism provided on one side of the base, a support frame provided on the top of the bearing plate, a straightening block structure provided on the support frame, an adjustment structure provided between the support frame and the base, two U-shaped seats provided on both sides of the top of the base, a limiting structure provided inside the U-shaped seats, wherein both U-shaped seats are fixedly connected to the base, two convex grooves are opened on the top of the base, and convex blocks are fixedly connected to the bottom of the other two U-shaped seats, the two convex blocks are respectively disposed inside the two convex grooves and slidably connected to the base, a rack is fixedly connected to one side of each of the two convex blocks, gears are meshed on the top of each of the two racks, and an operating structure is provided between the two gears.

[0007] Preferably, the adjustment structure includes two U-shaped rods, both of which are fixedly connected to the top of the base and pass through the support frame and are slidably connected to the support frame. The two U-shaped rods provide sliding support for the support frame.

[0008] Preferably, the adjustment structure further includes a first worm gear, which is disposed at one end of one of the U-shaped rods. A threaded rod is fixedly connected to one side of the first worm gear, and one end of the threaded rod passes through one of the U-shaped rods and is rotatably connected to one of the U-shaped rods. The support frame is threadedly connected to the outside of the threaded rod.

[0009] Preferably, a first worm is meshed with the outer side of the first worm gear, and an L-shaped block is rotatably connected to the outer side of one end of the first worm. The L-shaped block is fixedly connected to one side of the base, and a first throttle is installed at one end of the first worm. The L-shaped block provides rotational support for the first worm.

[0010] Preferably, the limiting structure includes a hydraulic rod disposed inside the U-shaped seat. One end of the hydraulic rod passes through the inner side of the U-shaped seat and is fixedly connected to the U-shaped seat. The other end of the hydraulic rod is fixedly connected to a clamping plate. A rubber pad is installed on one side of the clamping plate. The rubber pad can improve the stability of fixing the ball screw and also prevent the clamping plate from damaging the surface of the ball screw.

[0011] Preferably, the limiting structure further includes two sliding grooves, which are respectively opened on the upper and lower sides of the U-shaped seat. Slider blocks are fixedly connected to both the upper and lower sides of the clamping plate, and the two sliders are respectively disposed inside the two sliding grooves and slidably connected to the U-shaped seat.

[0012] Preferably, the operating structure includes a second worm gear, which is disposed on the front side of the base. A rotating rod is fixedly connected to the rear side of the second worm gear. One end of the rotating rod passes through the base and is rotatably connected to the base. Both gears are fixedly connected to the outside of the rotating rod. A second worm is meshed with the outside of the second worm gear. A connecting block is rotatably connected to the outside of the top end of the second worm. The connecting block is fixedly connected to the front side of the base. A second throttle is installed at the top end of the second worm. The connecting block provides rotational support for the second worm.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. In this application, the second worm gear meshes with the second worm wheel, and the second worm wheel drives two gears to rotate through the rotating rod. The two gears mesh with two racks respectively, and the two racks drive two convex blocks to slide in two convex grooves respectively. The two convex blocks drive two of the U-shaped seats to move towards the other two U-shaped seats. Therefore, the position of two of the U-shaped seats can be adjusted according to the length of the ball screw so that two limiting structures can clamp and fix the ball screw, thus improving the practicality of the device.

[0015] 2. In this application, the first worm gear meshes with the first worm wheel, the first worm wheel drives the threaded rod to rotate, the threaded rod is threadedly connected to the support frame, the support frame slides on the two U-shaped rods, and the support frame drives the straightening block structure to move. Therefore, the device can adjust the position of the straightening block structure according to the bending position of the ball screw so that the straightening block structure can work, thus improving the practicality of the device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a straightening device for ball screw production according to this utility model;

[0017] Figure 2 This is a left view of a straightening device for ball screw production according to the present invention;

[0018] Figure 3 This is a schematic diagram of the limiting structure of a straightening device for ball screw production according to this utility model;

[0019] Figure 4 This is a schematic diagram of the rotating rod structure of a straightening device for ball screw production according to this utility model.

[0020] The following are the labels in the diagram: 1. Base; 2. Support plate; 3. Rotating mechanism; 4. Convex groove; 5. U-shaped seat; 6. Hydraulic rod; 7. Clamping plate; 8. Rubber pad; 9. Slide groove; 10. Slider; 11. Convex block; 12. Rack; 13. Rotating rod; 14. Gear; 15. Second worm gear; 16. Second worm; 17. U-shaped rod; 18. Threaded rod; 19. Support frame; 20. Straightening block structure; 21. First worm gear; 22. First worm. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example: Figure 1 - Figure 4 As shown, this utility model provides a technical solution for a straightening device for ball screw production, including a base 1, a bearing plate 2 fixedly connected to the top of the base 1, a rotating mechanism 3 provided on one side of the base 1, a support frame 19 provided on the top of the bearing plate 2, a straightening block structure 20 provided on the support frame 19, an adjustment structure between the support frame 19 and the base 1, two U-shaped seats 5 provided on both sides of the top of the base 1, and a limiting structure provided inside the U-shaped seats 5. Both U-shaped seats 5 are fixedly connected to the base 1. Two convex grooves 4 are opened on the top of the base 1, and convex blocks 11 are fixedly connected to the bottom of the other two U-shaped seats 5. The two convex blocks 11 are respectively disposed inside the two convex grooves 4. The base 1 is slidably connected to the base 1. Two convex blocks 11 are fixedly connected to one side of each rack 12. The tops of the two racks 12 are meshed with gears 14. An operating structure is provided between the two gears 14. The operating structure includes a second worm gear 15. The second worm gear 15 is located on the front side of the base 1. A rotating rod 13 is fixedly connected to the rear side of the second worm gear 15. One end of the rotating rod 13 passes through the base 1 and is rotatably connected to the base 1. The two gears 14 are fixedly connected to the outside of the rotating rod 13. A second worm 16 is meshed with the outside of the second worm gear 15. A connecting block is rotatably connected to the outside of the top of the second worm 16. The connecting block is fixedly connected to the front side of the base 1. A second handle is installed at the top of the second worm 16.

[0023] The limiting structure includes a hydraulic rod 6, which is located inside the U-shaped seat 5. One end of the hydraulic rod 6 passes through the inner side of the U-shaped seat 5 and is fixedly connected to the U-shaped seat 5. The other end of the hydraulic rod 6 is fixedly connected to a clamping plate 7. A rubber pad 8 is installed on one side of the clamping plate 7. The limiting structure also includes two sliding grooves 9, which are respectively opened on the upper and lower sides of the U-shaped seat 5. Slider blocks 10 are fixedly connected to both the upper and lower sides of the clamping plate 7. The two sliders 10 are respectively located inside the two sliding grooves 9 and are slidably connected to the U-shaped seat 5.

[0024] Specifically, by rotating the second throttle, the second worm 16 meshes with the second worm wheel 15. The second worm wheel 15 drives the two gears 14 to rotate through the rotating rod 13. The two gears 14 mesh with the two racks 12 respectively. The two racks 12 drive the two convex blocks 11 to slide in the two convex grooves 4 respectively. The two convex blocks 11 drive two of the U-shaped seats 5 to move towards the other two U-shaped seats 5. Therefore, the position of the two U-shaped seats 5 can be adjusted according to the length of the ball screw so that the two limiting structures can clamp and fix the ball screw, improving the practicality of the device.

[0025] Start the hydraulic rod 6, which drives the clamping plate 7 to move. The two sliders 10 on the clamping plate 7 slide inside the two grooves 9. The rubber pads 8 on the clamping plate 7 contact the ball screw, thereby clamping and fixing the ball screw.

[0026] For the technology of bearing plate 2, rotating mechanism 3 and straightening block structure 20, the scheme in the straightening device for ball screw production disclosed in CN219703061U is adopted.

[0027] Example: Figure 1 - Figure 2 As shown, the adjustment structure includes two U-shaped rods 17, both of which are fixedly connected to the top of the base 1. Both U-shaped rods 17 pass through the support frame 19 and are slidably connected to the support frame 19. The adjustment structure also includes a first worm gear 21, which is disposed at one end of one of the U-shaped rods 17. A threaded rod 18 is fixedly connected to one side of the first worm gear 21. One end of the threaded rod 18 passes through one of the U-shaped rods 17 and is rotatably connected to one of the U-shaped rods 17. The support frame 19 is threadedly connected to the outside of the threaded rod 18. A first worm 22 is meshed with the outside of the first worm gear 21. An L-shaped block is rotatably connected to the outside of one end of the first worm 22. The L-shaped block is fixedly connected to one side of the base 1. A first throttle is installed at one end of the first worm 22.

[0028] Specifically, when the first throttle is turned, the first worm 22 meshes with the first worm wheel 21, and the first worm wheel 21 drives the threaded rod 18 to rotate. The threaded rod 18 is threadedly connected to the support frame 19, and the support frame 19 slides on the two U-shaped rods 17. The support frame 19 then drives the straightening block structure 20 to move. Therefore, the device can adjust the position of the straightening block structure 20 according to the bending position of the ball screw so that the straightening block structure 20 can work, thus improving the practicality of the device.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A straightening device for ball screw production, characterized in that: The system includes a base (1), a support plate (2) fixedly connected to the top of the base (1), a rotating mechanism (3) provided on one side of the base (1), a support frame (19) provided on the top of the support plate (2), a straightening block structure (20) provided on the support frame (19), an adjustment structure provided between the support frame (19) and the base (1), two U-shaped seats (5) provided on both sides of the top of the base (1), a limiting structure provided inside the U-shaped seats (5), both U-shaped seats (5) fixedly connected to the base (1), two convex grooves (4) opened on the top of the base (1), and convex blocks (11) fixedly connected to the bottom of the other two U-shaped seats (5), the two convex blocks (11) respectively set inside the two convex grooves (4) and slidably connected to the base (1), a rack (12) fixedly connected to one side of each of the two convex blocks (11), a gear (14) meshed on the top of each of the two racks (12), and an operating structure provided between the two gears (14).

2. The straightening device for ball screw production according to claim 1, characterized in that: The adjustment structure includes two U-shaped rods (17), both of which are fixedly connected to the top of the base (1), and both of which pass through the support frame (19) and are slidably connected to the support frame (19).

3. A straightening device for ball screw production according to claim 2, characterized in that: The adjustment structure also includes a first worm gear (21), which is disposed at one end of one of the U-shaped rods (17). A threaded rod (18) is fixedly connected to one side of the first worm gear (21). One end of the threaded rod (18) passes through one of the U-shaped rods (17) and is rotatably connected to one of the U-shaped rods (17). The support frame (19) is threadedly connected to the outside of the threaded rod (18).

4. A straightening device for ball screw production according to claim 3, characterized in that: The first worm gear (21) is meshed with a first worm (22) on its outer side. An L-shaped block is rotatably connected to one end of the first worm (22). The L-shaped block is fixedly connected to one side of the base (1). A first throttle is installed at one end of the first worm (22).

5. A straightening device for ball screw production according to claim 1, characterized in that: The limiting structure includes a hydraulic rod (6), which is disposed inside the U-shaped seat (5). One end of the hydraulic rod (6) passes through the inner side of the U-shaped seat (5) and is fixedly connected to the U-shaped seat (5). The other end of the hydraulic rod (6) is fixedly connected to a clamping plate (7), and a rubber pad (8) is installed on one side of the clamping plate (7).

6. A straightening device for ball screw production according to claim 5, characterized in that: The limiting structure also includes two slide grooves (9), which are respectively opened on the upper and lower sides of the U-shaped seat (5). The upper and lower sides of the clamp (7) are fixedly connected with sliders (10), and the two sliders (10) are respectively set inside the two slide grooves (9) and slidably connected to the U-shaped seat (5).

7. A straightening device for ball screw production according to claim 1, characterized in that: The operating structure includes a second worm gear (15), which is located on the front side of the base (1). A rotating rod (13) is fixedly connected to the rear side of the second worm gear (15). One end of the rotating rod (13) passes through the base (1) and is rotatably connected to the base (1). Two gears (14) are fixedly connected to the outside of the rotating rod (13). A second worm (16) is meshed with the outside of the second worm gear (15). A connecting block is rotatably connected to the outside of the top end of the second worm (16). The connecting block is fixedly connected to the front side of the base (1). A second throttle is installed at the top end of the second worm (16).

Citation Information

Patent Citations

  • Straightening device for ball screw production

    CN219703061U