Spinning and edge-dividing forming device for rim

Abstract

The utility model discloses a rim spinning, dividing and forming device which comprises a supporting seat, the top end of the supporting seat is fixedly connected with a sound insulation cover, one end of the sound insulation cover is provided with an observation window, the sound insulation cover and the inner side of the supporting seat are connected with a movable frame in a sliding mode, and the top of the movable frame is provided with a plurality of inserting grooves which are formed at equal intervals. Rollers are fixedly connected to the two sides of the bottom end of the moving frame, and first sliding grooves are formed in the moving frame and located between the adjacent inserting grooves. A buffer mechanism in the moving frame can effectively reduce impact vibration when the spinning model works, stable operation of the device is guaranteed, and the service life of the device is prolonged; the sound insulation effect of the device is enhanced through related structures and sound insulation plates in the sound insulation cover, and the working environment is optimized; the driving mechanism and the limiting mechanism in the supporting seat provide power for the moving frame, conduct limiting and guiding, ensure accurate and stable movement of the moving frame and improve the working accuracy and reliability, and therefore the rim machining quality and the production efficiency can be improved easily.

Description

Technical Field

[0001] The utility model relates to the technical field of rim manufacturing equipment, and particularly relates to a spinning and edge-forming device for a rim. Background Technique

[0002] With the development of the automotive industry, the quality and performance requirements for vehicle wheel rims are constantly increasing. As an advanced rim manufacturing process, the spinning and edge-forming technology has the advantages of saving materials, improving strength and precision, etc., and thus has been widely used.

[0003] During the spinning and edge-forming process of the rim, the vibration amplitude and noise of the device are important issues that need attention. A larger vibration amplitude may lead to a decrease in the forming accuracy of the rim, poor surface quality, and even affect the service life of the equipment. At the same time, a high-noise environment will also have an adverse impact on the health of the operators.

[0004] Therefore, we propose a spinning and edge-forming device for a rim. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a spinning and edge-forming device for a rim. In order to reduce the vibration amplitude and noise level of the spinning and edge-forming device for the rim, thereby improving the forming quality of the rim, reducing equipment failures, extending the service life of the equipment, and creating a healthier and more comfortable working environment for the operators, the problems in the background technique can be effectively solved.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A spinning and edge-forming device for a rim, comprising a support base, the top end of the support base is fixedly connected with a sound insulation cover, one end of the sound insulation cover is provided with an observation window, a moving frame is slidably connected inside the sound insulation cover and the support base, the top of the moving frame is provided with a plurality of slots arranged at equal distances, both sides of the bottom end of the moving frame are fixedly connected with rollers, a first chute is arranged inside the moving frame and between adjacent slots, a buffer mechanism and a spinning model slidably connected are arranged inside the first chute, the buffer mechanism comprises a slide rail and a first support plate, the first support plate is connected with the spinning model through shock-absorbing blocks at the four corners of the top end, a pair of oppositely arranged first sliders are slidably connected inside the slide rail, and both ends of the first slider and the inner wall of the slide rail are connected through a first shock-absorbing spring, two connecting blocks are fixedly connected to both ends of the bottom of the first support plate, a rotating rod is rotatably connected between one side of the two connecting blocks and the first slider through a fixing rod, a telescopic rod is fixedly connected to the center of the inner wall of the bottom end of the first chute, the top end of the telescopic rod is fixedly connected to the center of the bottom end of the first support plate, and the first support plate and the inner wall of the bottom end of the first chute and at both ends of the slide rail are connected through vertically arranged second shock-absorbing springs;

[0008] Both inner walls of the sound insulation cover are provided with second chutes, a second slider is slidably connected inside the second chute, one end of the second slider away from the second chute is fixedly connected with a moving plate, both sides of the bottom end of the moving plate are fixedly connected with insertion plates, the insertion plates are inserted inside the slots, and sound insulation plates are arranged inside the insertion plates;

[0009] First grooves and second grooves are respectively formed on both inner walls of the support base, the first groove is located above the second groove, a driving mechanism and a limiting mechanism are respectively arranged inside the first groove and the second groove, racks and limiting grooves are respectively arranged on both sides of the moving frame near the driving mechanism and the limiting mechanism positions;

[0010] By adopting the above technical solution, when the device works, the moving frame slides inside the support base and the sound insulation cover through the rollers on both sides of its bottom end. Inside the moving frame, in the first chute between adjacent slots, when the spinning model works, it will generate pressure and vibration. When the pressure and vibration are transmitted to the buffer mechanism, the spinning model transmits the force to the first support plate through the shock-absorbing blocks at the four corners of the top end. The first support plate moves downward under the force, driving the connecting block to move. The connecting block pushes the first slider to slide inside the slide rail through the rotating rod. At this time, the first shock-absorbing spring between the first slider and the inner walls of both ends of the slide rail plays a role in shock absorption and buffering. At the same time, when the first support plate moves downward, the telescopic rod at the center is compressed, and the second shock-absorbing springs between the first support plate and the inner wall of the bottom end of the first chute and at both ends of the slide rail also play a role in buffering and shock absorption, so as to reduce the impact and vibration generated when the spinning model works and ensure the stable operation of the device;

[0011] When the device is running, the second slider can slide in the second chute on the inner walls at both ends of the sound insulation cover. The second slider drives the moving plate fixedly connected thereto to move. The insertion plates on both sides of the bottom end of the moving plate are inserted into the slots, thereby realizing the fixation of the position. Since the sound insulation plates are provided inside the insertion plates, the sound insulation effect of the whole device can be enhanced;

[0012] In the support base, when the driving mechanism in the upper first groove works, it provides power for the movement of the moving frame through the interaction with the rack on one side of the moving frame; while the limiting mechanism in the lower second groove cooperates with the limiting groove on the other side of the moving frame to play a role in limiting and guiding the movement of the moving frame, ensuring that the moving frame can move stably and accurately.

[0013] Further, a third support plate is fixedly connected to the inner wall of the first groove away from the moving frame. The driving mechanism includes a driving motor fixedly installed at the top end of the third support plate. The output end of the driving motor penetrates through the third support plate and is fixedly connected with a gear, and the gear meshes with the rack.

[0014] By adopting the above technical solution, when it is necessary to move the moving frame, the driving motor is started. The output end of the driving motor rotates, driving the gear fixedly connected to its bottom end to rotate. Since the gear meshes with the rack on one side of the moving frame, the rotation of the gear will push the rack, thereby driving the moving frame to move.

[0015] Further, the limiting mechanism includes a limiting ball that can be inserted into the limiting groove. The limiting ball is connected to the inner wall of the second groove through a laterally arranged compression spring.

[0016] By adopting the above technical solution, during the movement of the moving frame, when the limiting groove on the moving frame moves to a position corresponding to the limiting ball, due to the elastic force of the compression spring, the limiting ball is pressed into the limiting groove. The cooperation between the limiting ball and the limiting groove plays a role in restricting and guiding the moving frame, preventing the moving frame from shifting or shaking during the movement, ensuring that the moving frame can move smoothly and accurately. At the same time, when the moving frame continues to move and needs to change the position, the compression spring will be compressed, causing the limiting ball to escape from the limiting groove.

[0017] Further, a hydraulic cylinder is fixedly installed in the middle of the top end of the sound insulation cover. The output end of the hydraulic cylinder at the bottom is connected to the middle of the top end of the moving plate.

[0018] By adopting the above technical solution, when it is necessary to adjust the position of the moving plate, the hydraulic cylinder is started, and the bottom output end of the hydraulic cylinder expands and contracts. Since it is connected to the middle part of the top end of the moving plate, the moving plate is driven to move up and down. The moving plate slides through the second slider in the second chute to achieve stable up and down movement, thereby adjusting the position of the plug board in the slot and controlling the working state of the sound insulation board.

[0019] Further, a second support plate is provided directly below the moving plate, and the second support plate and the moving plate are connected by two sets of oppositely arranged connecting rods.

[0020] By adopting the above technical solution, the connecting rod can increase the connection strength between the moving plate and the second support plate, reduce the shaking or deformation of the moving plate during the working process, improve the stability of the entire structure, and at the same time evenly distribute the load on the moving plate and the second support plate to avoid excessive local stress, thereby extending the service life of the equipment, and facilitating installation and maintenance: through the connection of the connecting rod, it is more convenient to install and disassemble the moving plate, and at the same time it is also convenient to maintain and repair the equipment.

[0021] Further, a rotary motor is fixedly installed in the middle of the top end of the second support plate. The bottom output end of the rotary motor penetrates through the second support plate and is fixedly installed with a spinning head, and the spinning head is adapted to the spinning model.

[0022] By adopting the above technical solution, when it is necessary to perform a spinning operation, the rotary motor is started, and the bottom output end of the rotary motor rotates, driving the spinning head penetrating through the second support plate to rotate. Since the spinning head is adapted to the spinning model, the rotating spinning head performs a spinning and edge-forming operation on the rim placed on the spinning model.

[0023] Compared with the prior art, the present utility model has the following beneficial effects:

[0024] In the spinning and edge-forming device for a rim of the present utility model, the buffer mechanism in the moving frame effectively reduces the impact and vibration generated during the working process of the spinning model through the coordinated action of the shock-absorbing block, the first slider, the first shock-absorbing spring, the telescopic rod and the second shock-absorbing spring, ensures the stability of the operation of the device, and extends the service life of the equipment.

[0025] In the spinning and edge-forming device for a rim of the present utility model, the setting of the second chute, the second slider, the moving plate and the plug board in the sound insulation cover enables the plug board to be inserted into the slot, and together with the sound insulation board in the plug board, significantly enhances the sound insulation effect of the device and improves the working environment.

[0026] The present utility model relates to a spinning and edge - separating forming device for a rim. The driving mechanism in the support base cooperates with the rack to provide power for the moving frame, and the limiting mechanism cooperates with the limiting groove to limit and guide the moving frame, ensuring that the moving frame can move accurately and stably, improving the working precision and reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic structural view of a spinning and edge - separating forming device for a rim of the present utility model.

[0028] Figure 2 It is a schematic internal structural view of a spinning and edge - separating forming device for a rim of the present utility model.

[0029] Figure 3 For a spinning and edge - separating forming device for a rim of the present utility model Figure 3 The enlarged view at A in it.

[0030] Figure 4 It is a side view of a spinning and edge - separating forming device for a rim of the present utility model.

[0031] Figure 5 It is a schematic structural view of the moving plate of a spinning and edge - separating forming device for a rim of the present utility model.

[0032] In the figure: 1. Support base; 2. Sound - proof cover; 3. Moving frame; 4. Slot; 5. First chute; 6. Buffer mechanism; 7. Spinning model; 8. Slide rail; 9. First slider; 10. First shock - absorbing spring; 11. Connecting block; 12. Rotating rod; 13. Expansion rod; 14. First support plate; 15. Shock - absorbing block; 16. Second shock - absorbing spring; 17. Second chute; 18. Second slider; 19. Moving plate; 20. Insertion plate; 21. Sound - proof board; 22. Hydraulic cylinder; 23. Second support plate; 24. Connecting rod; 25. Rotating motor; 26. Spinning head; 27. First groove; 28. Third support plate; 29. Driving motor; 30. Driving mechanism; 31. Rack; 32. Limiting groove; 33. Second groove; 34. Compression spring; 35. Limiting ball; 36. Gear; 37. Roller; 38. Observation window; 39. Limiting mechanism. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0034] In order to reduce the vibration amplitude and noise level of the rim spinning and edge - separating forming device, thereby improving the forming quality of the rim, reducing equipment failures, extending the service life of the equipment, and creating a healthier and more comfortable working environment for operators, such as Figure 1 , Figure 2 ,Figure 3 , Figure 4 , Figure 5 As shown in Figure 5 , a spinning and edge-forming device for a rim includes a support base 1. A soundproof cover 2 is fixedly connected to the top end of the support base 1. An observation window 38 is provided at one end of the soundproof cover 2. A moving frame 3 is slidably connected to the inside of the soundproof cover 2 and the support base 1. A plurality of slots 4 are arranged at equal distances on the top of the moving frame 3. Roller wheels 37 are fixedly connected to both sides of the bottom end of the moving frame 3. A first chute 5 is provided inside the moving frame 3 between adjacent slots 4. A buffer mechanism 6 and a spinning model 7 slidably connected thereto are arranged inside the first chute 5. The buffer mechanism 6 includes a slide rail 8 and a first support plate 14. The first support plate 14 is connected to the spinning model 7 through shock-absorbing blocks 15 at the four corners of the top end. Oppositely arranged first sliders 9 are slidably connected inside the slide rail 8. Both ends of the first slider 9 and the inner walls of both ends of the slide rail 8 are connected by first shock-absorbing springs 10. Connecting blocks 11 are fixedly connected to both ends of the bottom of the first support plate 14. A rotating rod 12 is rotatably connected between one side of each of the two connecting blocks 11 and the first slider 9 through a fixed rod. A telescopic rod 13 is fixedly connected to the center of the bottom inner wall of the first chute 5. The top end of the telescopic rod 13 is fixedly connected to the center of the bottom end of the first support plate 14. The first support plate 14 and the bottom inner wall of the first chute 5 are connected by vertically arranged second shock-absorbing springs 16 at both ends of the slide rail 8;

[0035] Second chutes 17 are provided on the inner walls of both ends of the soundproof cover 2. Second sliders 18 are slidably connected inside the second chutes 17. A moving plate 19 is fixedly connected to one end of the second slider 18 away from the second chute 17. Plug plates 20 are fixedly connected to both sides of the bottom end of the moving plate 19. The plug plates 20 are inserted into the slots 4, and soundproof plates 21 are arranged inside the plug plates 20;

[0036] First grooves twenty-seven and second grooves thirty-three are respectively formed on the inner walls of both sides of the support base 1. The first grooves twenty-seven are located above the second grooves thirty-three. A driving mechanism 30 and a limiting mechanism 39 are respectively arranged inside the first grooves twenty-seven and the second grooves thirty-three. Rack bars 31 and limiting grooves 32 are respectively arranged at positions on both sides of the moving frame 3 close to the driving mechanism 30 and the limiting mechanism 39.

[0037] During use, when the device is operating, the moving frame 3 slides on the inner sides of the support base 1 and the sound insulation cover 2 through the rollers 37 on both sides of its bottom end. Inside the moving frame 3, in the first chute 5 between adjacent slots 4, when the spinning model 7 is working, it generates pressure and vibration. When the pressure and vibration are transmitted to the buffer mechanism 6, the spinning model 7 transmits the force to the first support plate 14 through the shock-absorbing blocks 15 at the four corners of its top end. The first support plate 14 moves downward under the force, driving the connection block 11 to move. The connection block 11 pushes the first slider 9 to slide within the slide rail 8 through the rotating rod 12. At this time, the first shock-absorbing spring 10 between the first slider 9 and the inner walls at both ends of the slide rail 8 plays a role in shock absorption and buffering. At the same time, when the first support plate 14 moves downward, the telescopic rod 13 at the center is compressed, and the second shock-absorbing spring 16 at both ends of the slide rail 8 between the first support plate 14 and the inner wall at the bottom end of the first chute 5 also plays a role in buffering and shock absorption, thereby reducing the impact and vibration generated during the operation of the spinning model 7 and ensuring the stable operation of the device;

[0038] When the device is operating, within the second chute 17 on the inner walls at both ends of the sound insulation cover 2, the second slider 18 can slide therein. The second slider 18 drives the moving plate 19 fixedly connected thereto to move. The insertion plates 20 on both sides of the bottom end of the moving plate 19 are inserted into the slots 4, thereby realizing position fixation. Since the sound insulation plates 21 are provided inside the insertion plates 20, the sound insulation effect of the entire device can be enhanced;

[0039] In the support base 1, when the driving mechanism 30 in the upper first groove 27 is operating, it provides power for the movement of the moving frame 3 through interaction with the rack 31 on one side of the moving frame 3; while the limiting mechanism 39 in the lower second groove 33 cooperates with the limiting groove 32 on the other side of the moving frame 3 to play a role in limiting and guiding the movement of the moving frame 3, ensuring that the moving frame 3 can move stably and accurately.

[0040] Exemplarily, as Figure 2 shown, the present utility model further includes that a third support plate 28 is fixedly connected to the inner wall on the side of the first groove 27 away from the moving frame 3. The driving mechanism 30 includes a driving motor 29 fixedly installed at the top end of the third support plate 28. The output end at the bottom of the driving motor 29 penetrates through the third support plate 28 and is fixedly connected to a gear 36. The gear 36 meshes with the rack 31.

[0041] During use, when it is necessary to move the moving frame 3, the driving motor 29 is started. The output end of the driving motor 29 rotates, driving the gear 36 fixedly connected to its bottom end to rotate. Since the gear 36 meshes with the rack 31 on one side of the moving frame 3, the rotation of the gear 36 will push the rack 31, thereby driving the moving frame 3 to move.

[0042] Exemplarily, as Figure 2As shown, the present invention further includes that the limiting mechanism 39 includes a limiting ball 35 that can be inserted into the limiting groove 32 , and the limiting ball 35 is connected to the inner wall of the second groove 33 via a transversely arranged compression spring 34 .

[0043] When in use, during the movement of the mobile frame 3, when the limit slot 32 on the mobile frame 3 moves to the position corresponding to the limit ball 35, due to the elastic force of the compression spring 34, the limit ball 35 is pressed into the limit slot 32. The cooperation between the limit ball 35 and the limit slot 32 plays a role in limiting and guiding the mobile frame 3, preventing the mobile frame 3 from deviating or shaking during the movement, and ensuring that the mobile frame 3 can move smoothly and accurately. At the same time, when the mobile frame 3 continues to move and needs to change its position, the compression spring 34 will be compressed, causing the limit ball 35 to fall out of the limit slot 32.

[0044] For example, Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 As shown, the present invention further includes a hydraulic cylinder 22 fixedly mounted on the middle portion of the top end of the soundproof cover 2 , and a bottom output end of the hydraulic cylinder 22 is connected to the middle portion of the top end of the movable plate 19 .

[0045] During use, when the position of the movable plate 19 needs to be adjusted, the hydraulic cylinder 22 is started, and the bottom output end of the hydraulic cylinder 22 is extended and retracted. Since it is connected to the middle of the top of the movable plate 19, it drives the movable plate 19 to move up and down. The movable plate 19 slides in the second slide groove 17 through the second slider 18 to achieve stable up and down movement, thereby adjusting the position of the plug-in plate 20 in the slot 4 and controlling the working state of the sound insulation board 21.

[0046] For example, Figure 2 、 Figure 4 、 Figure 5 As shown, the present invention further includes a second support plate 23 provided directly below the movable plate 19 , and the second support plate 23 is connected to the movable plate 19 via two sets of connecting rods 24 arranged opposite to each other.

[0047] When in use, the connecting rod 24 can increase the connection strength between the movable plate 19 and the second support plate 23, reduce the shaking or deformation of the movable plate 19 during operation, improve the stability of the entire structure, and at the same time evenly distribute the load on the movable plate 19 and the second support plate 23, avoiding excessive local force, thereby extending the service life of the equipment and facilitating installation and maintenance: through the connection of the connecting rod 24, the movable plate 19 can be installed and disassembled more conveniently, and it is also convenient to maintain and repair the equipment.

[0048] For example, Figure 2 、 Figure 4As shown in the figure, the utility model further includes that a rotary motor 25 is fixedly installed in the middle of the top end of the second support plate 23. The output end at the bottom of the rotary motor 25 penetrates through the second support plate 23 and is fixedly installed with a spinning head 26, and the spinning head 26 is adapted to the spinning model.

[0049] When in use, when spinning operation is required, start the rotary motor 25. The output end at the bottom of the rotary motor 25 rotates, driving the spinning head 26 penetrating through the second support plate 23 to rotate. Since the spinning head 26 is adapted to the spinning model, the rotating spinning head 26 performs a spinning and edge-forming operation on the rim placed on the spinning model.

[0050] It should be noted that the utility model is a spinning and edge-forming device for a rim. The device is mainly composed of components such as a support base 1, a sound insulation cover 2, and a moving frame 3. A sound insulation cover 2 is fixedly connected to the top end of the support base 1, and the moving frame 3 slides inside the support base 1 and the sound insulation cover 2 through rollers 37; multiple slots 4 are equidistantly arranged at the top of the moving frame 3, and a first sliding groove 5 is arranged inside. There is a buffer mechanism 6 and a spinning model 7 in the groove. The buffer mechanism 6 includes a slide rail 8, a first slider 9, a first shock-absorbing spring 10, a first support plate 14, etc., which can reduce the impact vibration during the operation of the spinning model 7.

[0051] Second sliding grooves 17 are arranged on the inner walls at both ends of the sound insulation cover 2, and there are second sliders 18 inside connecting a moving plate 19. The insertion plate 20 at the bottom end of the moving plate 19 is inserted into the slot 4, and there is a sound insulation plate 21 inside the insertion plate 20; first grooves 27 and second grooves 33 are respectively arranged on the inner walls on both sides of the support base 1, and there are a driving mechanism 30 and a limiting mechanism 39 inside. The driving motor 29 of the driving mechanism 30 meshes with the rack 31 of the moving frame 3 through a gear 36 to provide power, and the limiting ball 35 of the limiting mechanism 39 cooperates with the limiting groove 32 of the moving frame 3 through a compression spring 34 for limiting and guiding.

[0052] The hydraulic cylinder 22 in the middle of the top end of the sound insulation cover 2 is connected to the moving plate 19 to control its movement. The second support plate 23 below the moving plate 19 is connected thereto through a connecting rod 24. The rotary motor 25 in the middle of the top end of the second support plate 23 drives the spinning head 26 to rotate, and the spinning head 26 is adapted to the spinning model 7 to perform a spinning and edge-forming operation.

[0053] The device has a reasonable structural design, and each component works together to achieve the spinning and edge-forming of the rim, and at the same time has functions such as sound insulation, buffering, precise movement, and stable operation.

[0054] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A spinning and edge - splitting forming device for a rim, including a support base (1), characterized in that, The top of the support base (1) is fixedly connected with a sound insulation cover (2). One end of the sound insulation cover (2) is provided with an observation window (38). A movable frame (3) is slidably connected inside the sound insulation cover (2) and the support base (1). The top of the movable frame (3) is provided with a plurality of slots (4) arranged at equal distances. Both sides of the bottom end of the movable frame (3) are fixedly connected with rollers (37). Inside the movable frame (3) and between adjacent slots (4), there is a first chute (5). Inside the first chute (5), there is a buffer mechanism (6) and a spinning model (7) slidably connected thereto. The buffer mechanism (6) includes a slide rail (8) and a first support plate (14). The first support plate (14) is connected to the spinning model (7) through shock-absorbing blocks (15) at the four corners of the top end. Inside the slide rail (8), relatively arranged first sliders (9) are slidably connected. Both ends of the first slider (9) and the inner walls of the two ends of the slide rail (8) are connected through first shock-absorbing springs (10). Both ends of the bottom of the first support plate (14) are fixedly connected with connecting blocks (11). Between the opposite sides of the two connecting blocks (11) and the first slider (9), a rotating rod (12) is rotatably connected through a fixed rod. The center of the inner wall at the bottom end of the first chute (5) is fixedly connected with a telescopic rod (13). The top end of the telescopic rod (13) is fixedly connected with the center of the bottom end of the first support plate (14). The first support plate (14) and the inner wall at the bottom end of the first chute (5) and at both ends of the slide rail (8) are connected through vertically arranged second shock-absorbing springs (16). Both inner walls at both ends of the sound insulation cover (2) are provided with second chutes (17). Inside the second chutes (17), second sliders (18) are slidably connected. One end of the second slider (18) away from the second chute (17) is fixedly connected with a movable plate (19). Both sides of the bottom end of the movable plate (19) are fixedly connected with insertion plates (20). The insertion plates (20) are inserted into the slots (4), and sound insulation plates (21) are arranged inside the insertion plates (20). First grooves (27) and second grooves (33) are respectively formed on both inner walls of the support base (1). The first groove (27) is located above the second groove (33). A driving mechanism (30) and a limiting mechanism (39) are respectively arranged inside the first groove (27) and the second groove (33). Tooth racks (31) and limiting grooves (32) are respectively arranged at positions on both sides of the movable frame (3) close to the driving mechanism (30) and the limiting mechanism (39).

2. The spinning and edge-splitting forming device for a rim according to claim 1, wherein: One inner wall of the first groove (27) away from the movable frame (3) is fixedly connected with a third support plate (28). The driving mechanism (30) includes a driving motor (29) fixedly installed at the top end of the third support plate (28). The output end of the driving motor (29) at the bottom end penetrates through the third support plate (28) and is fixedly connected with a gear (36). The gear (36) meshes with the tooth rack (31).

3. The spinning and edge-splitting forming device for a rim according to claim 2, characterized in that: The limiting mechanism (39) includes a limiting ball (35) that can be inserted into the limiting groove (32), and the limiting ball (35) is connected to the inner wall of the second groove (33) through a laterally arranged compression spring (34).

4. The spinning and edge-splitting forming device for a rim according to claim 1, wherein: A hydraulic cylinder (22) is fixedly installed in the middle of the top end of the sound insulation cover (2), and the output end of the bottom end of the hydraulic cylinder (22) is connected to the middle of the top end of the moving plate (19).

5. The spin-forming and edge-splitting device for a rim according to claim 1, wherein: A second support plate (23) is arranged directly below the moving plate (19), and the second support plate (23) and the moving plate (19) are connected by two sets of oppositely arranged connecting rods (24).

6. The spin-forming and edge-splitting device for a rim according to claim 5, characterized in that: A rotary motor (25) is fixedly installed in the middle of the top end of the second support plate (23), the output end of the bottom end of the rotary motor (25) penetrates through the second support plate (23) and is fixedly installed with a spinning head (26), and the spinning head (26) is adapted to the spinning model.

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