Flexible abrasive belt screw numerical control polishing machine
The design of the flexible belt screw CNC polishing machine solves the problem of cumbersome fixture replacement when polishing screws of different lengths and diameters, achieving flexible support and efficient polishing with strong adaptability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU ZHUNXIN PRECISION TECH CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-10
AI Technical Summary
Common CNC belt polishing machines require different fixtures when polishing automotive lead screws of different lengths and diameters, which makes changing fixtures troublesome and affects polishing efficiency.
A flexible belt screw CNC polishing machine was designed. By setting a fixed and sliding screw limiting component at the top of the displacement mounting groove, and utilizing a sliding top plate and support wheels that can move up and down, it can adapt to screws of different lengths and diameters to achieve flexible support.
It improves polishing efficiency, simplifies the clamping process for lead screws of different lengths and diameters, and enhances the adaptability and efficiency of the polishing machine.
Smart Images
Figure CN224476001U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lead screw polishing technology, specifically a flexible belt screw CNC polishing machine. Background Technology
[0002] Lead screws are key components in automobiles that enable precise linear motion control. They are mainly divided into three categories: sliding lead screws, ball screws, and planetary roller screws, and play an important role in scenarios such as electric car seats, electronic steering systems, brake-by-wire, and steering-by-wire.
[0003] Polishing is a common process in lead screw manufacturing. In equipment requiring extremely high transmission precision, such as precision CNC machine tools and aerospace equipment, the lead screw, as a critical transmission component, has a significant impact on transmission accuracy and stability due to its surface quality. Polishing removes microscopic unevenness from the lead screw surface, reducing surface roughness and thus improving transmission accuracy and smoothness of movement. For lead screws operating in harsh environments such as high temperature, high pressure, and strong corrosion, surface quality directly affects their service life and reliability. Polishing reduces stress concentration on the lead screw surface, improves its fatigue resistance and corrosion resistance, and extends its service life.
[0004] However, common CNC belt polishing machines require different clamps when polishing automotive lead screws of different lengths and diameters, and changing the clamps is troublesome and affects polishing efficiency. Therefore, a flexible belt lead screw CNC polishing machine is proposed to solve the problems mentioned above. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a flexible belt abrasive screw CNC polishing machine, which has the advantages of conveniently polishing automotive screws of different lengths and diameters, and solves the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A flexible belt abrasive screw CNC polishing machine includes a mounting base plate. A fixed mounting groove is fixedly mounted on the top of the mounting base plate. An approach mounting groove is slidably mounted on the top of the fixed mounting groove. A displacement mounting groove is slidably mounted on the top of the approach mounting groove. Two screw limiting assemblies are provided on the top of the displacement mounting groove. One screw limiting assembly is fixedly mounted on the top of the displacement mounting groove, and the other screw limiting assembly is slidably mounted on the top of the displacement mounting groove.
[0008] The lead screw limiting assembly includes a support base plate, four support rods are fixedly installed on the top of the support base plate, a support top plate is fixedly installed on the top of the support rods, a sliding top plate is slidably installed on the surface of the support rods, four mounting side plates are fixedly installed on the opposite side of the support base plate and the sliding top plate, and a support wheel is rotatably installed between two of the mounting side plates.
[0009] Furthermore, two lifting screws are rotatably installed between the supporting base plate and the supporting top plate, and two lifting nuts are fixedly installed on the top of the sliding top plate, with the lifting nuts threadedly connected to the lifting screws.
[0010] Furthermore, an adjusting gear is rotatably mounted on the top of the supporting top plate, an adjusting handle is rotatably mounted on the top of the adjusting gear, and two driven gears are rotatably mounted on the top of the supporting top plate. The driven gears mesh with the adjusting gears, and the driven gears are fixedly connected to the top end of the lifting screw.
[0011] Furthermore, a polishing bracket is fixedly installed on the top of the mounting base plate, two mounting uprights are fixedly installed on the top of the polishing bracket, two supporting horizontal plates are fixedly installed on one side of the mounting uprights, and a supporting roller is rotatably installed on one side of the supporting horizontal plates.
[0012] Furthermore, a drive roller is rotatably mounted between the two mounting plates, and sanding belts are fitted on the surfaces of the drive roller and the two support rollers. A polishing motor for rotating the top drive roller is fixedly mounted on one side of the mounting plate.
[0013] Furthermore, a proximity slider is slidably installed inside the fixed mounting groove, a proximity screw threadedly connected to the proximity slider is rotatably installed on the inner side wall of the fixed mounting groove, and a proximity motor with an output shaft fixedly connected to one end of the proximity screw is fixedly installed on one side of the fixed mounting groove.
[0014] Furthermore, the top of the proximity slider is fixedly connected to the bottom of the proximity mounting groove, a displacement slider is slidably installed inside the proximity mounting groove, a displacement screw threadedly connected to the displacement slider is rotatably installed on the inner side wall of the proximity mounting groove, and a displacement motor with an output shaft fixedly connected to one end of the displacement screw is fixedly installed on one side of the proximity mounting groove.
[0015] Furthermore, the top of the displacement slider is fixedly connected to the bottom of the displacement mounting groove, an adjusting slider is slidably installed inside the displacement mounting groove, the adjusting slider is fixedly connected to the bottom of one of the supporting base plates, an adjusting screw threadedly connected to the adjusting slider is rotatably installed on the inner side wall of the displacement mounting groove, and an adjusting motor whose output shaft is fixedly connected to one end of the adjusting screw is fixedly installed on one side of the displacement mounting groove.
[0016] Compared with the prior art, this utility model provides a flexible belt screw CNC polishing machine, which has the following beneficial effects:
[0017] This flexible belt abrasive screw CNC polishing machine uses a fixed screw limiting component and a sliding screw limiting component at the top of the displacement mounting groove to facilitate support for screws of different lengths. A sliding top plate that can move up and down is incorporated into the screw limiting component, with two support wheels on opposite sides of both the sliding top plate and the support base plate, facilitating support for screws of different diameters. This solves the problem of common CNC belt abrasive polishing machines requiring different clamps and cumbersome clamp changes when polishing automotive screws of different lengths and diameters, thus affecting polishing efficiency. Attached Figure Description
[0018] Figure 1 This is a front sectional view of the structure of this utility model;
[0019] Figure 2 This is a side sectional view of the structure of this utility model;
[0020] Figure 3 This is a front sectional view of the lead screw limiting assembly of this utility model;
[0021] Figure 4 This is a side sectional view of the lead screw limiting assembly of this utility model;
[0022] Figure 5 This is a three-dimensional view of the support wheel of this utility model.
[0023] In the diagram: 1. Mounting base plate; 2. Fixed mounting slot; 3. Approach mounting slot; 4. Displacement mounting slot; 5. Screw limit assembly; 51. Support base plate; 52. Support rod; 53. Support top plate; 54. Sliding top plate; 55. Mounting side plate; 56. Support wheel; 6. Lifting screw; 7. Lifting nut; 8. Adjusting gear; 9. Adjusting handle; 10. Driven gear; 11. Polishing bracket; 12. Mounting upright plate; 13. Supporting horizontal plate; 14. Support roller; 15. Drive roller; 16. Sanding belt; 17. Approach slider; 18. Approach screw; 19. Approach motor; 20. Displacement slider; 21. Displacement screw; 22. Displacement motor; 23. Adjusting slider; 24. Adjusting screw; 25. Adjusting motor. Detailed Implementation
[0024] 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.
[0025] Please see Figures 1 to 5 This embodiment of a flexible belt abrasive screw CNC polishing machine includes a mounting base plate 1. A fixed mounting groove 2 is fixedly mounted on the top of the mounting base plate 1. An approach mounting groove 3 is slidably mounted on the top of the fixed mounting groove 2. A displacement mounting groove 4 is slidably mounted on the top of the approach mounting groove 3. Two screw limiting components 5 are provided on the top of the displacement mounting groove 4. One screw limiting component 5 is fixedly mounted on the top of the displacement mounting groove 4, and the other screw limiting component 5 is slidably mounted on the top of the displacement mounting groove 4.
[0026] The lead screw limiting assembly 5 includes a support base plate 51, four support rods 52 are fixedly installed on the top of the support base plate 51, a support top plate 53 is fixedly installed on the top of the support rods 52, a sliding top plate 54 is slidably installed on the surface of the support rods 52, four mounting side plates 55 are fixedly installed on the opposite side of the support base plate 51 and the sliding top plate 54, and a support wheel 56 is rotatably installed between the two mounting side plates 55.
[0027] Specifically, one lead screw limiting component 5 moves closer to or further away from the other lead screw limiting component 5 to adjust the position of the supporting lead screw and adapt to lead screws of different lengths. The sliding top plate 54 moves up and down, and the two support wheels 56 at the top move closer to or further away from the two support wheels 56 below to adapt to lead screws of different diameters.
[0028] Please see Figure 3 and Figure 4 In this embodiment, two lifting screws 6 are rotatably installed between the supporting base plate 51 and the supporting top plate 53, and two lifting nuts 7 are fixedly installed on the top of the sliding top plate 54. The lifting nuts 7 are threadedly connected to the lifting screws 6.
[0029] The top of the supporting top plate 53 is rotatably mounted with an adjusting gear 8, and an adjusting handle 9 is rotatably mounted on the top of the adjusting gear 8. Two driven gears 10 are rotatably mounted on the top of the supporting top plate 53, meshing with the adjusting gear 8. The driven gears 10 are fixedly connected to the top of the lifting screw 6. The adjusting handle 9 drives the adjusting gear 8 to rotate, which in turn drives the two driven gears 10 to rotate, which in turn drives the two lifting screws 6 to rotate. This, in turn, causes the sliding top plate 54 to move up and down via the lifting nut 7.
[0030] Please see Figure 1 In this embodiment, a polishing bracket 11 is fixedly installed on the top of the mounting base plate 1, two mounting upright plates 12 are fixedly installed on the top of the polishing bracket 11, two supporting horizontal plates 13 are fixedly installed on one side of the mounting upright plate 12, and a supporting roller 14 is rotatably installed on one side of the supporting horizontal plate 13.
[0031] A drive roller 15 is rotatably mounted between two mounting plates 12. A sanding belt 16 is fitted on the surface of the drive roller 15 and the two support rollers 14. A polishing motor for rotating the top drive roller 15 is fixedly mounted on one side of the mounting plate 12.
[0032] Please see Figure 1 and Figure 2 In this embodiment, a proximity slider 17 is slidably mounted inside the fixed mounting groove 2, and a proximity screw 18, threadedly connected to the proximity slider 17, is rotatably mounted on the inner side wall of the fixed mounting groove 2. A proximity motor 19, with its output shaft fixedly connected to one end of the proximity screw 18, is fixedly mounted on one side of the fixed mounting groove 2. The proximity motor 19 drives the proximity screw 18 to rotate, thereby moving the proximity slider 17 and causing the screw to move closer to or away from the sanding belt 16.
[0033] The top of the proximity slider 17 is fixedly connected to the bottom of the proximity mounting groove 3. A displacement slider 20 is slidably installed inside the proximity mounting groove 3. A displacement screw 21, threadedly connected to the displacement slider 20, is rotatably installed on the inner side wall of the proximity mounting groove 3. A displacement motor 22, with its output shaft fixedly connected to one end of the displacement screw 21, is fixedly installed on one side of the proximity mounting groove 3. The displacement motor 22 drives the displacement screw 21 to rotate, which in turn moves the displacement slider 20 and causes the lead screw to move on the surface of the sanding belt 16.
[0034] Secondly, the top of the displacement slider 20 is fixedly connected to the bottom of the displacement mounting groove 4. An adjusting slider 23 is slidably installed inside the displacement mounting groove 4. The adjusting slider 23 is fixedly connected to the bottom of one of the support base plates 51. An adjusting screw 24, threadedly connected to the adjusting slider 23, is rotatably installed on the inner wall of the displacement mounting groove 4. An adjusting motor 25, with its output shaft fixedly connected to one end of the adjusting screw 24, is fixedly installed on one side of the displacement mounting groove 4. The adjusting motor 25 drives the adjusting screw 24 to rotate, causing the adjusting slider 23 to move, and causing one of the lead screw limit components 5 to move closer to or further away from the other lead screw limit component 5.
[0035] The working principle of the above embodiment is as follows: one lead screw limiting component 5 moves closer to or further away from the other lead screw limiting component 5 to adjust the position of the supporting lead screw and adapt to lead screws of different lengths. The sliding top plate 54 moves up and down, and the two support wheels 56 at the top move closer to or further away from the two support wheels 56 below to adapt to lead screws of different diameters.
[0036] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.
[0037] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0038] 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 a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0039] 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 flexible belt abrasive screw CNC polishing machine, comprising a mounting base plate (1), characterized in that: The top of the mounting base plate (1) is fixedly mounted with a fixed mounting groove (2), the top of the fixed mounting groove (2) is slidably mounted with an approach mounting groove (3), the top of the approach mounting groove (3) is slidably mounted with a displacement mounting groove (4), and the top of the displacement mounting groove (4) is provided with two screw limit assemblies (5), one of which is fixedly mounted on the top of the displacement mounting groove (4), and the other is slidably mounted on the top of the displacement mounting groove (4). The lead screw limiting assembly (5) includes a support base plate (51), four support rods (52) are fixedly installed on the top of the support base plate (51), a support top plate (53) is fixedly installed on the top of the support rods (52), a sliding top plate (54) is slidably installed on the surface of the support rods (52), four mounting side plates (55) are fixedly installed on the opposite side of the support base plate (51) and the sliding top plate (54), and a support wheel (56) is rotatably installed between two of the mounting side plates (55).
2. The flexible belt abrasive screw CNC polishing machine according to claim 1, characterized in that: Two lifting screws (6) are rotatably installed between the supporting base plate (51) and the supporting top plate (53), and two lifting nuts (7) are fixedly installed on the top of the sliding top plate (54). The lifting nuts (7) are threadedly connected to the lifting screws (6).
3. A flexible belt abrasive screw CNC polishing machine according to claim 2, characterized in that: An adjusting gear (8) is rotatably mounted on the top of the supporting top plate (53), an adjusting handle (9) is rotatably mounted on the top of the adjusting gear (8), and two driven gears (10) are rotatably mounted on the top of the supporting top plate (53). The driven gears (10) mesh with the adjusting gears (8), and the driven gears (10) are fixedly connected to the top end of the lifting screw (6).
4. The flexible belt screw CNC polishing machine according to claim 1, characterized in that: A polishing bracket (11) is fixedly installed on the top of the mounting base plate (1). Two mounting uprights (12) are fixedly installed on the top of the polishing bracket (11). Two supporting horizontal plates (13) are fixedly installed on one side of the mounting uprights (12). A supporting roller (14) is rotatably installed on one side of the supporting horizontal plates (13).
5. A flexible belt abrasive screw CNC polishing machine according to claim 4, characterized in that: A drive roller (15) is rotatably mounted between the two mounting plates (12). The surfaces of the drive roller (15) and the two support rollers (14) are covered with sanding belts (16). A polishing motor for rotating the top drive roller (15) is fixedly mounted on one side of the mounting plate (12).
6. A flexible belt abrasive screw CNC polishing machine according to claim 1, characterized in that: The fixed mounting groove (2) has a sliding block (17) inside it, and a proximity screw (18) threadedly connected to the proximity block (17) is rotatably mounted on the inner side wall of the fixed mounting groove (2). A proximity motor (19) with an output shaft fixedly connected to one end of the proximity screw (18) is fixedly mounted on one side of the fixed mounting groove (2).
7. A flexible belt abrasive screw CNC polishing machine according to claim 6, characterized in that: The top of the proximity slider (17) is fixedly connected to the bottom of the proximity mounting groove (3). A displacement slider (20) is slidably installed inside the proximity mounting groove (3). A displacement screw (21) threadedly connected to the displacement slider (20) is rotatably installed on the inner side wall of the proximity mounting groove (3). A displacement motor (22) whose output shaft is fixedly connected to one end of the displacement screw (21) is fixedly installed on one side of the proximity mounting groove (3).
8. A flexible belt abrasive screw CNC polishing machine according to claim 7, characterized in that: The top of the displacement slider (20) is fixedly connected to the bottom of the displacement mounting groove (4). An adjusting slider (23) is slidably installed inside the displacement mounting groove (4). The adjusting slider (23) is fixedly connected to the bottom of one of the support base plates (51). An adjusting screw (24) that is threadedly connected to the adjusting slider (23) is rotatably installed on the inner side wall of the displacement mounting groove (4). An adjusting motor (25) whose output shaft is fixedly connected to one end of the adjusting screw (24) is fixedly installed on one side of the displacement mounting groove (4).