A surface plating device for left and right hand spin roller screws

By using adjustable lifting components and positioning frame structure, the problem of unstable positioning of different types of lead screws in traditional devices is solved, thereby improving the uniformity of electroplating and the versatility of the device, making operation more convenient and safer.

CN224337777UActive Publication Date: 2026-06-09NINGBO SHIKAIFU PRECISION TRANSMISSION TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO SHIKAIFU PRECISION TRANSMISSION TECH CO LTD
Filing Date
2025-07-29
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Traditional left- and right-hand rotary roller screw electroplating devices are difficult to adapt to the positioning of different screw models, resulting in uneven electroplating, poor device versatility, and inconvenient operation.

Method used

It adopts an adjustable lifting assembly and positioning frame structure, and achieves stable positioning of lead screws of different lengths through the cooperation of positive and negative threaded rods and sliders; the connection between the movable frame and the threaded rod enables adaptation to lead screws of different diameters; bearings reduce frictional resistance and ensure smooth lifting.

Benefits of technology

It achieves stable positioning of different types of lead screws, improves electroplating uniformity and device versatility, reduces operational difficulty, and enhances the continuity and safety of electroplating operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a surface electroplating device for left- and right-hand rotary ball screws, including a base plate, an electroplating tank fixedly connected to the top of the base plate, and a lifting assembly fixedly connected to the top of the base plate. This utility model uses an electroplating device that provides electroplating space through the electroplating tank on the base plate. The lifting assembly can drive the entire drive box to rise and fall. Combined with the sliding connection between the positive and negative threaded rods and the slider within the drive box, the distance between the two side support frames can be flexibly adjusted to accommodate ball screws of different lengths. Simultaneously, the movable frame slides up and down within the second slide groove, allowing the upper and lower ball screw positioning frames to be adjusted in distance to accommodate ball screws of different diameters. This adjustable structure solves the problem of fixed positioning in traditional devices, ensuring stable positioning for different types of ball screws, improving electroplating uniformity, enhancing the versatility and efficiency of the device, and offering flexible and convenient operation. This device has the advantage of being easy to use.
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Description

Technical Field

[0001] This utility model relates to the field of roller screw technology, specifically to an electroplating device for the surface of a left- or right-handed roller screw. Background Technology

[0002] Left-hand and right-hand roller screws are widely used in mechanical transmission due to their unique structure. To improve the wear resistance, corrosion resistance, and service life of left-hand and right-hand roller screws, their surfaces are usually electroplated.

[0003] However, due to the special structure of the left and right rotary roller screws, different models of screws have different lengths and diameters. The positioning structure of traditional electroplating equipment is fixed and it is difficult to adapt to different models of screws. This results in unstable screw positioning during electroplating, which not only affects the uniformity of electroplating, but also reduces the versatility and efficiency of the equipment, and makes operation inconvenient.

[0004] Therefore, it is necessary to design and modify the electroplating device on the surface of the left and right rotary ball screws to effectively prevent them from becoming inconvenient to use. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a surface electroplating device for left- and right-hand rotary ball screws, which has the advantage of being easy to use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a left-right rotary roller screw surface electroplating device, comprising a base plate, an electroplating tank fixedly connected to the top of the base plate, a lifting assembly fixedly connected to the top of the base plate, a drive box provided on the surface of the lifting assembly, a first sliding groove provided at the bottom of the drive box, and sliders slidably connected to both sides inside the first sliding groove, a positive and negative threaded rod rotatably connected inside the drive box, the positive and negative threaded rod being threadedly connected to the sliders, a first motor fixedly connected to the left side of the drive box, the output end of the first motor being fixedly connected to the positive and negative threaded rod, a support frame fixedly connected to the bottom of the slider, a lower screw positioning frame fixedly connected to the top of the support frame, a second sliding groove provided on the surface of the support frame, a movable frame slidably connected inside the second sliding groove, an upper screw positioning frame fixedly connected to the surface of the movable frame, and the lower screw positioning frame cooperating with the upper screw positioning frame.

[0007] In a preferred embodiment of this invention, the lifting assembly includes a work box fixedly connected to the top of the base plate. The front of the work box is provided with a third sliding groove, and a movable column is slidably connected inside the third sliding groove. A first threaded rod is rotatably connected inside the work box, and the first threaded rod is threadedly connected to the movable column. A second motor is fixedly connected to the top of the work box, and the output end of the second motor is fixedly connected to the first threaded rod.

[0008] As a preferred embodiment of this utility model, a fixing block is fixedly connected to the top of the movable frame, and a second threaded rod is threadedly connected to the inside of the fixing block. The back of the second threaded rod extends to the back of the fixing block and is rotatably connected to an anti-slip pad. The back of the anti-slip pad is in contact with the back of the inner wall of the second slide groove, and the front of the second threaded rod extends to the front of the fixing block and is fixedly connected to a rotating handle.

[0009] As a preferred embodiment of this utility model, both the upper lead screw positioning frame and the lower lead screw positioning frame are arc-shaped, and the inner walls of both the upper lead screw positioning frame and the lower lead screw positioning frame are provided with anti-slip textures.

[0010] As a preferred embodiment of this utility model, a lever is fixedly connected to the front of the upper lead screw positioning frame, and a small ball is fixedly connected to the front of the lever.

[0011] As a preferred embodiment of this utility model, bearings are fixedly connected inside both the drive box and the working box, and the outer rings of the bearings are fixedly connected to the drive box and the working box respectively, and the inner rings of the bearings are fixedly connected to the positive and negative threaded rods and the first threaded rod respectively.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model employs an electroplating device that provides electroplating space through an electroplating tank on the base plate. A lifting assembly can drive the entire drive box to rise and fall. Combined with the sliding connection between the positive and negative threaded rods and the slider within the drive box, the distance between the two side support frames can be flexibly adjusted to accommodate lead screws of different lengths. Simultaneously, the movable frame slides up and down within the second groove, allowing the upper and lower lead screw positioning frames to be adjusted in distance to accommodate lead screws of different diameters. This adjustable structure solves the problem of fixed positioning in traditional devices, ensuring stable positioning for different types of lead screws, improving electroplating uniformity, enhancing the device's versatility and efficiency, and offering flexible and convenient operation. This device is easy to use.

[0014] 2. This utility model achieves stable lifting and lowering of the movable column by connecting the first threaded rod inside the working box with the movable column via a threaded connection. Driven by a second motor, this drives the drive box and the positioning lead screw to precisely enter and exit the electroplating bath. Compared to traditional manual lifting methods, this structure offers smoother and more precise lifting, preventing the lead screw from colliding with the edge of the electroplating bath, protecting the lead screw surface, reducing manual operation intensity, and making the process of immersing or removing the lead screw from the electroplating solution more efficient, thus improving the continuity and safety of the overall electroplating operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a front sectional view of the drive box structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the fixing block and the second threaded rod of this utility model;

[0018] Figure 4 This utility model Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0019] In the diagram: 1. Base plate; 2. Electroplating tank; 3. Lifting assembly; 4. Drive box; 5. Threaded rod (positive and negative threads); 6. Slider; 7. First motor; 8. Support frame; 9. Lower screw positioning frame; 10. Movable frame; 11. Upper screw positioning frame; 12. Working box; 13. First threaded rod; 14. Movable column; 15. Second motor; 16. Fixed block; 17. Second threaded rod; 18. Anti-slip pad; 19. Rotary handle; 20. Lever; 21. Small ball. Detailed Implementation

[0020] 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.

[0021] like Figures 1 to 4As shown, a left-right rotary ball screw surface electroplating device includes a base plate 1, an electroplating tank 2 fixedly connected to the top of the base plate 1, a lifting assembly 3 fixedly connected to the top of the base plate 1, a drive box 4 provided on the surface of the lifting assembly 3, a first slide groove provided at the bottom of the drive box 4, and sliders 6 slidably connected to both sides inside the first slide groove. A threaded rod 5 with reverse threads is rotatably connected inside the drive box 4, and the threaded rod 5 is threadedly connected to the sliders 6. A first motor 7 is fixedly connected to the left side of the drive box 4, and the output end of the first motor 7 is fixedly connected to the threaded rod 5. A support frame 8 is fixedly connected to the bottom of the slider 6, and a lower ball screw positioning frame 9 is fixedly connected to the top of the support frame 8. A second slide groove is provided on the surface of the support frame 8, and the second slide groove is slidably connected to... A movable frame 10 is provided, and an upper lead screw positioning frame 11 is fixedly connected to the surface of the movable frame 10. The lower lead screw positioning frame 9 is used in conjunction with the upper lead screw positioning frame 11. The electroplating tank 2 is a common existing technology and is common knowledge to those skilled in the art. This application will not elaborate on it in detail. Related contents not disclosed in this application, such as the circuit connection of the electroplating tank 2 and the electroplating solution, are common knowledge to those skilled in the art. This application will not elaborate on them in detail. The surfaces of the positive and negative threaded rod 5 and the first threaded rod 13 are provided with retractable protective sleeves to prevent debris or electroplating solution from splashing onto the surfaces of the positive and negative threaded rod 5 and the first threaded rod 13, thereby protecting the positive and negative threaded rod 5 and the first threaded rod 13. The retractable protective sleeves are common existing technology and will not elaborate on them in detail in this application.

[0022] refer to Figure 1 The lifting assembly 3 includes a work box 12 fixedly connected to the top of the base plate 1. The front of the work box 12 is provided with a third slide groove, and a movable column 14 is slidably connected inside the third slide groove. A first threaded rod 13 is rotatably connected inside the work box 12. The first threaded rod 13 is threadedly connected to the movable column 14. A second motor 15 is fixedly connected to the top of the work box 12, and the output end of the second motor 15 is fixedly connected to the first threaded rod 13.

[0023] As a technical optimization of this utility model, the first threaded rod 13 inside the working box 12 is threadedly connected to the movable column 14. Driven by the second motor 15, the movable column 14 is stably raised and lowered, thereby driving the drive box 4 and the positioning lead screw to accurately enter and exit the electroplating tank 2. Compared with the traditional manual lifting method, this structure has smoother and more precise lifting, avoids collision between the lead screw and the edge of the electroplating tank 2, protects the surface of the lead screw, reduces the intensity of manual operation, and makes the process of immersing or removing the lead screw from the electroplating solution more efficient, improving the continuity and safety of the overall electroplating operation.

[0024] refer to Figure 3A fixed block 16 is fixedly connected to the top of the movable frame 10. A second threaded rod 17 is threadedly connected to the inside of the fixed block 16. The back of the second threaded rod 17 extends to the back of the fixed block 16 and is rotatably connected to an anti-slip pad 18. The back of the anti-slip pad 18 is in contact with the back of the inner wall of the second slide groove. The front of the second threaded rod 17 extends to the front of the fixed block 16 and is fixedly connected to a rotating handle 19.

[0025] As a technical optimization of this utility model, the fixed block 16 at the top of the movable frame 10, in conjunction with the second threaded rod 17, the anti-slip pad 18, and the rotating handle 19, allows for quick locking after the movable frame 10 is adjusted to a suitable position. Rotating the rotating handle 19 pushes the anti-slip pad 18 to tightly adhere to the inner wall of the second sliding groove, forming a stable fixation and preventing the movable frame 10 from shifting due to vibration or external force during the electroplating process. This fixing method is simple to operate, has reliable locking force, can meet the positioning requirements of threaded rods of different diameters, and ensures the stability of the positioning state, effectively avoiding electroplating deviations caused by loosening and improving the reliability of the device operation.

[0026] refer to Figure 4 Both the upper lead screw positioning bracket 11 and the lower lead screw positioning bracket 9 are arc-shaped, and the inner walls of both the upper lead screw positioning bracket 11 and the lower lead screw positioning bracket 9 are provided with anti-slip textures.

[0027] As a technical optimization of this utility model, the upper lead screw positioning bracket 11 and the lower lead screw positioning bracket 9 are arranged in an arc shape, which allows them to fit tightly against the outer circular surface of the lead screw, increasing the contact area and making the positioning more stable. The anti-slip texture on the inner wall enhances the friction with the lead screw surface, effectively preventing the lead screw from rotating or shifting axially during the electroplating process. This design not only ensures that the lead screw is always in the preset electroplating position, but also ensures a uniform and consistent plating layer, improving the quality of the electroplated product.

[0028] refer to Figure 4 A lever 20 is fixedly connected to the front of the upper lead screw positioning bracket 11, and a small ball 21 is fixedly connected to the front of the lever 20.

[0029] As a technical optimization of this utility model, the lever 20 on the front of the upper lead screw positioning bracket 11 provides a convenient force application point for adjusting the position of the movable bracket 10. Combined with the small ball 21 at the end, this allows the operator to more easily grip and apply force when adjusting the height of the upper positioning bracket. This structural design simplifies the adjustment process of the movable bracket 10, especially when frequently changing different types of lead screws, reducing operation time and physical exertion, improving operational convenience and comfort, and indirectly improving the overall efficiency of the electroplating operation.

[0030] refer to Figure 2Bearings are fixedly connected inside both the drive box 4 and the working box 12. The outer rings of the bearings are fixedly connected to the drive box 4 and the working box 12 respectively, and the inner rings of the bearings are fixedly connected to the positive and negative thread rods 5 and the first thread rod 13 respectively.

[0031] As a technical optimization of this utility model, the bearings inside the drive box 4 and the working box 12 respectively cooperate with the positive and negative threaded rods 5 and the first threaded rod 13, which can effectively reduce the frictional resistance when the threaded rods rotate, making the thread transmission smoother and more stable. At the same time, the bearings can disperse the radial force of the threaded rods on the box body, reduce component wear, and extend the service life of the device. This design not only ensures the accuracy of spacing adjustment and lifting operation and reduces operating noise, but also reduces maintenance frequency, ensuring that the device maintains a stable working state during long-term use and improving overall operating performance.

[0032] The working principle and usage procedure of this utility model are as follows: Before use, check the status of each part of the device, check whether the electroplating solution in the electroplating tank 2 is sufficient and meets the usage standards, and ensure that the base plate 1 is placed stably without shaking. Check whether the forward and reverse threaded rod 5 in the drive box 4 rotates smoothly, whether the slider 6 slides in the first groove without jamming, and whether the connection between the support frame 8 and the slider 6 is firm. At the same time, confirm that the wiring connection of the first motor 7 and the second motor 15 is normal and can start and run normally.

[0033] Then, based on the length of the left and right rotating roller screws to be electroplated, the first motor 7 is started. The first motor 7 drives the positive and negative threaded rod 5 to rotate in the drive box 4. Since the positive and negative threaded rod 5 is threadedly connected to the slider 6, the slider 6 will slide inward or outward in the first groove, thereby driving the support frames 8 on both sides to move synchronously and adjust to a suitable distance so that the two ends of the screw can be placed on the lower screw positioning frame 9 on both sides respectively. Next, rotate the second threaded rod 17 to move it forward, causing the anti-slip pad 18 to separate from the second groove. Then, use the lever 20 to push the movable frame 10 downward. The movable frame 10 slides in the second groove, causing the upper lead screw positioning frame 11 to move downward. Adjust the distance between the upper lead screw positioning frame 11 and the lower lead screw positioning frame 9 until the upper lead screw positioning frame 11 is in contact with the lead screw surface. At this time, rotate the handle 19. The handle 19 drives the second threaded rod 17 to rotate in the fixed block 16. The second threaded rod 17 pushes the anti-slip pad 18 to move towards the back of the inner wall of the second groove until the anti-slip pad 18 is tightly in contact with the inner wall of the second groove, fixing the movable frame 10. This allows the upper lead screw positioning frame 11 and the lower lead screw positioning frame 9 to cooperate and firmly clamp the lead screw. Since both the upper lead screw positioning frame 11 and the lower lead screw positioning frame 9 are arc-shaped and have anti-slip textures on their inner walls, it can further ensure that the lead screw will not slide or rotate.

[0034] Then, the second motor 15 is started, which drives the first threaded rod 13 to rotate inside the working box 12. The first threaded rod 13 is threadedly connected to the movable column 14, which descends smoothly in the third slide groove, thereby driving the drive box 4 and the positioned lead screw to move synchronously, slowly immersing the lead screw into the electroplating solution in the electroplating tank 2 until it is fully immersed to the appropriate depth, at which point the second motor 15 is turned off. During the electroplating process, the device is kept running stably to avoid external collisions or vibrations affecting the electroplating effect.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for electroplating the surface of a left-hand rotating roller screw, comprising a base plate (1), characterized in that: An electroplating tank (2) is fixedly connected to the top of the base plate (1), and a lifting assembly (3) is fixedly connected to the top of the base plate (1). A drive box (4) is provided on the surface of the lifting assembly (3). A first sliding groove is provided at the bottom of the drive box (4), and sliders (6) are slidably connected to both sides inside the first sliding groove. A threaded rod (5) with positive and negative threads is rotatably connected inside the drive box (4). The threaded rod (5) with positive and negative threads is threadedly connected to the slider (6). A first electric... The output end of the first motor (7) is fixedly connected to the positive and negative thread rod (5). The bottom of the slider (6) is fixedly connected to the support frame (8). The top of the support frame (8) is fixedly connected to the lower screw positioning frame (9). The surface of the support frame (8) is provided with a second sliding groove, and the inside of the second sliding groove is slidably connected to a movable frame (10). The surface of the movable frame (10) is fixedly connected to an upper screw positioning frame (11). The lower screw positioning frame (9) and the upper screw positioning frame (11) are used together.

2. The electroplating device for the surface of a left- or right-hand rotary ball screw according to claim 1, characterized in that: The lifting assembly (3) includes a work box (12) fixedly connected to the top of the base plate (1). The front of the work box (12) is provided with a third slide groove, and a movable column (14) is slidably connected inside the third slide groove. A first threaded rod (13) is rotatably connected inside the work box (12). The first threaded rod (13) is threadedly connected to the movable column (14). A second motor (15) is fixedly connected to the top of the work box (12). The output end of the second motor (15) is fixedly connected to the first threaded rod (13).

3. The electroplating device for the surface of a left- or right-hand rotary ball screw according to claim 1, characterized in that: The top of the movable frame (10) is fixedly connected to a fixing block (16), and the inside of the fixing block (16) is threadedly connected to a second threaded rod (17). The back of the second threaded rod (17) extends to the back of the fixing block (16) and is rotatably connected to an anti-slip pad (18). The back of the anti-slip pad (18) is in contact with the back of the inner wall of the second slide groove. The front of the second threaded rod (17) extends to the front of the fixing block (16) and is fixedly connected to a rotating handle (19).

4. The electroplating device for the surface of a left- or right-hand rotary ball screw according to claim 1, characterized in that: Both the upper lead screw positioning frame (11) and the lower lead screw positioning frame (9) are arc-shaped, and the inner walls of both the upper lead screw positioning frame (11) and the lower lead screw positioning frame (9) are provided with anti-slip textures.

5. The electroplating device for the surface of a left- or right-hand rotary ball screw according to claim 1, characterized in that: A lever (20) is fixedly connected to the front of the upper lead screw positioning frame (11), and a small ball (21) is fixedly connected to the front of the lever (20).

6. The electroplating device for the surface of a left- or right-hand rotary ball screw according to claim 2, characterized in that: Bearings are fixedly connected inside the drive box (4) and the working box (12), and the outer ring of the bearing is fixedly connected to the drive box (4) and the working box (12) respectively, and the inner ring of the bearing is fixedly connected to the positive and negative thread rod (5) and the first thread rod (13) respectively.