Numerical control spinning roller support of rim spinning machine
By designing a CNC spinning roller bracket for a rim spinning machine, and utilizing a combination of a servo motor and an electric push rod, precise angle adjustment and stepless adjustment of the roller are achieved. This solves the problem of inconvenient adjustment of the roller fixed bracket in the existing technology, and improves the accuracy and flexibility of spinning processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU TAIPU MASCH TECH CO LTD
- Filing Date
- 2025-07-29
- Publication Date
- 2026-05-15
AI Technical Summary
The rollers of existing wheel hub spinning machines need to be installed on fixed brackets to ensure stability during use, but the brackets are not easy to adjust flexibly, which affects the flexibility of subsequent use.
A CNC spinning roller bracket for a rim spinning machine is adopted. It utilizes a servo motor-driven gear transmission system and an electric push rod to achieve precise angle adjustment and stepless adjustment of the roller. Combined with support columns and ball bearing guidance, it ensures the smoothness and accuracy of rotation.
It enables precise and stepless adjustment of the roller angle, improves the processing accuracy and flexibility during spinning, avoids wobbling caused by center of gravity shift, and enhances torsional strength.
Smart Images

Figure CN224238019U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wheel rim spinning machine technology, and in particular to a CNC spinning roller bracket for a wheel rim spinning machine. Background Technology
[0002] A rim spinning machine is a key piece of equipment used for processing metal rims. It uses spinning technology to process metal sheets or tubes into rims with specific shapes and sizes. Its core function is to apply pressure to the metal blank through the synergistic action of rotating molds and rollers, causing it to undergo plastic deformation, thereby forming the desired rim structure.
[0003] In the existing technology, the roller adjustment position needs to be controlled during the use of the wheel hub spinning machine to spin the roller. In order to ensure stability during use, the roller needs to be installed on a fixed bracket. The bracket is not convenient for flexible adjustment of the roller, which will affect the flexibility of subsequent use. Utility Model Content
[0004] The purpose of this invention is to solve the problem that in the existing technology, when using a wheel hub spinning machine, it is necessary to control the position of the rollers to perform spinning treatment. However, in order to ensure stability during use, the rollers need to be installed on a fixed bracket. The bracket is not convenient for flexibly adjusting the rollers, which affects the flexibility of subsequent use. Therefore, a CNC spinning roller bracket for a wheel hub spinning machine is proposed.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A CNC spinning roller support for a rim spinning machine includes a fixed frame. A servo motor is fixedly connected to the inner wall of the top of the fixed frame. A rotating rod is fixedly connected to the output shaft end of the servo motor. A first gear is fixedly sleeved on the rod wall of the rotating rod. A drive shaft is rotatably connected to the inner wall of the top of the fixed frame. A second gear is fixedly sleeved on the shaft wall of the drive shaft. The first gear and the second gear are meshed with each other. An adjusting plate is fixedly connected to the top of the drive shaft. An electric push rod is hinged to the inner wall of the top of the adjusting plate. A fixed rod is fixedly connected to the inner wall of the top of the adjusting plate. A movable frame is movably sleeved on the rod wall of the fixed rod. A rotating shaft is rotatably connected inside the movable frame. A roller is fixedly sleeved on the shaft body of the rotating shaft. The piston rod end of the electric push rod is hinged to the side wall of the movable frame.
[0007] Preferably, reinforcing fins are fixedly connected at the connection between the adjusting plate and the drive shaft.
[0008] Preferably, a support column is fixedly connected to the bottom of the adjustment plate.
[0009] Preferably, a slider is fixedly connected to the bottom of the support column, and an arc-shaped groove is formed on the upper surface of the fixing frame, with the slider slidably disposed on the inner wall of the arc-shaped groove.
[0010] Preferably, the inner wall of the slider is provided with rolling balls, which are rolled on the inner wall of the arc-shaped groove.
[0011] Preferably, the sidewall of the reinforcing fin is configured as an inclined surface.
[0012] Compared with the prior art, this utility model provides a CNC spinning roller bracket for a rim spinning machine, which has the following advantages:
[0013] 1. The CNC spinning roller bracket of the rim spinning machine, after being started by the servo motor, drives the rotating rod and the first gear to rotate through the output shaft. The second gear and the drive shaft are driven to rotate through meshing transmission, ensuring that the rotational accuracy of the drive shaft is consistent with that of the servo motor. This enables precise control of the axial angle of the adjustment plate and strengthens the torsional strength of the inclined fins at the connection between the fin adjustment plate and the drive shaft.
[0014] 2. The CNC spinning roller bracket of this rim spinning machine, after the electric push rod moves, the piston rod extends or retracts, pushing the movable frame to swing around the fixed rod. The swing angle of the movable frame is linearly related to the stroke of the electric push rod. The displacement of the push rod is precisely controlled by the controller to achieve stepless adjustment of the roller tilt angle. The fixed rod serves as the rotation fulcrum, and the movable frame is connected to the fixed rod through bearings to ensure that the thrust of the electric push rod is efficiently converted into angle adjustment force. The radial runout of the roller during rotation is small, ensuring the machining accuracy of the rim surface during spinning.
[0015] 3. The CNC spinning roller bracket of the rim spinning machine uses a slider at the bottom of the support column to embed into the arc-shaped groove of the fixed frame. With the rolling friction of the balls, the adjusting plate is guided to rotate smoothly, avoiding swaying caused by the center of gravity shift. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of a CNC spinning roller support for a rim spinning machine proposed in this utility model;
[0017] Figure 2 for Figure 1 Top view of the central fixed frame structure;
[0018] Figure 3 for Figure 1 Three-dimensional view of the central support column.
[0019] In the diagram: 1. Fixed frame, 2. Servo motor, 3. Rotating rod, 4. First gear, 5. Drive shaft, 6. Second gear, 7. Adjusting plate, 8. Electric push rod, 9. Fixed rod, 10. Movable frame, 11. Rotating shaft, 12. Roller, 13. Reinforcing fins, 14. Support column, 15. Slider, 16. Ball bearing. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0021] Reference Figure 1 - Figure 3 A CNC spinning roller bracket for a rim spinning machine includes a fixed frame 1. A servo motor 2 is fixedly connected to the inner wall of the top end of the fixed frame 1. A rotating rod 3 is fixedly connected to the end of the output shaft of the servo motor 2. A first gear 4 is fixedly sleeved on the rod wall of the rotating rod 3. A drive shaft 5 is rotatably connected to the inner wall of the top end of the fixed frame 1. A second gear 6 is fixedly sleeved on the shaft wall of the drive shaft 5. The first gear 4 and the second gear 6 are meshed with each other. An adjusting plate 7 is fixedly connected to the top end of the drive shaft 5. An electric push rod 8 is hinged to the inner wall of the top end of the adjusting plate 7. A fixed rod 9 is fixedly connected to the inner wall of the top end of the adjusting plate 7. A movable frame 10 is movably sleeved on the rod wall of the fixed rod 9. A rotating shaft 11 is rotatably connected inside the movable frame 10. A roller 12 is fixedly sleeved on the shaft body of the rotating shaft 11. The piston rod end of the electric push rod 8 is hinged to the side wall of the movable frame 10.
[0022] A reinforcing fin 13 is fixedly connected at the connection between the adjusting plate 7 and the drive shaft 5, and the side wall of the reinforcing fin 13 is set as an inclined surface.
[0023] When in use, after the servo motor 2 is started, the output shaft drives the rotating rod 3 and the first gear 4 to rotate. Through meshing transmission, the second gear 6 and the drive shaft 5 are driven to rotate, ensuring that the rotational accuracy of the drive shaft 5 is consistent with that of the servo motor 2, so as to achieve precise control of the circumferential angle of the adjustment plate 7. The inclined surface of the fin 13 at the connection between the adjustment plate 7 and the drive shaft 5 is reinforced to enhance the torsional strength.
[0024] After the electric push rod 8 moves, the piston rod extends or retracts, pushing the movable frame 10 to swing around the fixed rod 9. The swing angle of the movable frame 10 is linearly related to the stroke of the electric push rod 8. The displacement of the push rod is precisely controlled by the controller, realizing stepless adjustment of the tilt angle of the roller 12. The fixed rod 9 serves as the rotation fulcrum, and the movable frame 10 is connected to the fixed rod 9 through bearings, ensuring that the thrust of the electric push rod 8 is efficiently converted into angle adjustment force. The radial runout of the roller 12 during rotation is small, ensuring the machining accuracy of the rim surface during spinning.
[0025] To guide the smooth rotation of the adjusting plate 7, such as Figure 1 - Figure 3As shown, a support column 14 is fixedly connected to the bottom of the adjustment plate 7, and a slider 15 is fixedly connected to the bottom of the support column 14. An arc-shaped groove is provided on the upper surface of the fixing frame 1. The slider 15 is slidably disposed on the inner wall of the arc-shaped groove. A ball bearing 16 is rolled on the inner wall of the slider 15.
[0026] The slider 15 at the bottom of the support column 14 is embedded in the arc-shaped groove of the fixed frame 1. With the rolling friction of the ball 16, it guides the adjustment plate 7 to rotate smoothly and avoids swaying caused by the shift of the center of gravity.
[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A CNC spinning roller support for a rim spinning machine, comprising a fixed frame (1), characterized in that: A servo motor (2) is fixedly connected to the inner wall of the top of the fixed frame (1). A rotating rod (3) is fixedly connected to the end of the output shaft of the servo motor (2). A first gear (4) is fixedly sleeved on the rod wall of the rotating rod (3). A drive shaft (5) is rotatably connected to the inner wall of the top of the fixed frame (1). A second gear (6) is fixedly sleeved on the shaft wall of the drive shaft (5). The first gear (4) and the second gear (6) are meshed with each other. An adjustment plate (7) is fixedly connected to the top of the drive shaft (5). An electric push rod (8) is hinged to the inner wall of the top of the adjustment plate (7). A fixed rod (9) is fixedly connected to the inner wall of the top of the adjustment plate (7). A movable frame (10) is movably sleeved on the rod wall of the fixed rod (9). A rotating shaft (11) is rotatably connected inside the movable frame (10). A roller (12) is fixedly sleeved on the shaft body of the rotating shaft (11). The piston rod end of the electric push rod (8) is hinged to the side wall of the movable frame (10).
2. The CNC spinning roller bracket for a rim spinning machine according to claim 1, characterized in that: A reinforcing fin (13) is fixedly connected at the connection between the adjusting plate (7) and the drive shaft (5).
3. The CNC spinning roller bracket for a rim spinning machine according to claim 1, characterized in that: The bottom of the adjusting plate (7) is fixedly connected to a support column (14).
4. The CNC spinning roller bracket for a rim spinning machine according to claim 3, characterized in that: The bottom of the support column (14) is fixedly connected to a slider (15), and the upper surface of the fixing frame (1) is provided with an arc-shaped groove. The slider (15) is slidably disposed on the inner wall of the arc-shaped groove.
5. The CNC spinning roller bracket for a rim spinning machine according to claim 4, characterized in that: The inner wall of the slider (15) is provided with rolling balls (16), which are rolled on the inner wall of the arc-shaped groove.
6. The CNC spinning roller bracket for a rim spinning machine according to claim 2, characterized in that: The sidewall of the reinforcing fin (13) is set as an inclined surface.