Steel coil roll shaft device for stamping bending machine

Abstract

The invention relates to the field of bending machines, and discloses a steel coil roll shaft device for a stamping bending machine, which comprises a bracket, one end of the bracket is rotatably connected with a rotating frame, the inner wall of the bracket is provided with a fixing assembly, the bottom end of a rotating rod I is fixedly connected with a gear I, and the outer wall of a gear II is fixedly connected with an outer gear ring I; third gears are fixedly connected to the two ends of the first connecting rod, a second bevel gear is rotatably connected to the top end of the arc steel plate, moving blocks are fixedly connected to the two sides of the second moving frame, a plurality of first springs are arranged at the bottom end of the first fixing block, and first rotating wheels are rotatably connected to the outer walls of the moving blocks; steel coils are placed on the outer walls of the multiple arc steel plates, and a limiting assembly is arranged on the outer wall of the support. The steel coil is jointly supported by the four arc steel plates, the second rotating blocks are rotated, the second rotating blocks indirectly drive the four second moving frames to move inwards, first rotating wheels on the moving blocks and second rotating wheels on the rotating frames make contact with the two sides of the steel coil, and the effect of preventing the steel coil from disengaging is achieved.

Description

Technical Field

[0001] This invention relates to the field of bending machine technology, specifically to a steel coil shaft device for a stamping bending machine. Background Technology

[0002] Stamping is a forming method that uses a press and dies to apply external force to sheet metal, strip, tube, and profiles, causing plastic deformation or separation to obtain workpieces of the desired shape and size. Stamping and bending machines are commonly used equipment for stamping and forming metal sheets.

[0003] The steel coil roller is securely connected to the support frame by multiple screws, precisely assembling the four-section arc-shaped steel plates into a complete roller structure. The arc surface of this structure is in direct contact with the steel coil. During production, the steel coil raw material is placed on the steel coil roller. As the roller rotates, due to factors such as inertia, insufficient surface friction, or centering deviation, the steel coil is prone to detachment or displacement, affecting production stability and operational safety. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a steel coil roller device for a stamping and bending machine, which solves the problem that steel coils are prone to detaching from or shifting from the steel coil roller.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a steel coil shaft device for a stamping and bending machine, comprising a support, a rotating frame rotatably connected to one end of the support, a fixing assembly provided on the inner wall of the support, a gear two and multiple rotating rods one, a connecting rod one and a rotating wheel two rotatably connected to the inner wall of the rotating frame, a gear one fixedly connected to the bottom end of the rotating rod one, an external gear ring one fixedly connected to the outer wall of the gear two, gears three fixedly connected to both ends of the connecting rod one, a rotating block two rotatably connected to one end of the rotating frame, and an internal gear ring fixedly connected to the outer wall of the rotating block two. One end of the bracket is fixedly connected to multiple arc-shaped steel plates. The bottom end of the arc-shaped steel plates is rotatably connected to a threaded rod. One end of the threaded rod is fixedly connected to a bevel gear. The top end of the arc-shaped steel plates is rotatably connected to a bevel gear. The outer wall of the threaded rod is threadedly connected to a movable frame. Movable blocks are fixedly connected to both sides of the movable frame. Fixed blocks are slidably connected to the inner walls of both sides of the movable frame. Multiple springs are provided at the bottom end of the fixed blocks. Rotating wheels are rotatably connected to the outer wall of the movable blocks. Steel coils are placed on the outer walls of the multiple arc-shaped steel plates. Limiting components are provided on the outer wall of the bracket.

[0006] By adopting the above technical solution: by moving the movable block and rotating it upwards, the fixed block one, through the elastic force of the spring one, makes the top of the fixed block one contact the positioning groove at the bottom of the movable block, so that the movable block drives the rotating wheel one to be vertically fixed. Then, the rotating block two is rotated, so that through the transmission structure such as the internal gear ring, the gear three, and the connecting rod one, it drives the gear two and the external gear ring one to rotate. The external gear ring one drives the bevel gear one and the threaded rod two to rotate through the gear one, the rotating rod one, and the bevel gear two. The threaded rod two drives the movable frame two to move at the bottom end of the arc steel plate, so that the outer wall of the rotating wheel one contacts the other end of the steel coil through the movable block and the movable frame two, and the other side of the steel coil contacts the outer wall of the rotating wheel two. The steel coil is clamped between multiple rotating wheels one and two, so as to prevent the steel coil from detaching.

[0007] Preferably, the fixing component includes a fixing gear frame, which is slidably connected to the inner wall of the bracket. A rack is fixedly connected to the outer wall of the fixing gear frame. Two springs are provided at the top of the fixing gear frame. A connecting rod is rotatably connected to the inner wall of the bracket. Gears are fixedly connected to the two ends of the connecting rod, respectively. A movable frame is slidably connected to the inner wall of the bracket. A rack is fixedly connected to the outer wall of the movable frame. A fixing block is slidably connected to the top of the movable frame. A spring is provided at the bottom of the movable frame. An external toothed ring is fixedly connected to the outer wall of the rotating frame.

[0008] Preferably, the limiting component includes a limiting frame, a limiting roller is rotatably connected to the outer wall of the limiting frame, the limiting frame is rotatably connected to the outer wall of the support, a worm gear ring is fixedly connected to one end of the limiting frame, a rotating rod two and a rotating rod three are rotatably connected to the inner wall of the support, a worm is fixedly connected to the outer wall of the rotating rod two, a bevel gear three and a bevel gear four are fixedly connected to one end of the rotating rod two and the rotating rod three respectively, and a rotating block three is fixedly connected to the other end of the rotating rod three.

[0009] Preferably, the inner wall of the rotating frame is rotatably connected to a threaded rod, the other end of the threaded rod is fixedly connected to a rotating block, the outer wall of the rotating block is threadedly connected to two movable frames, the outer wall of the movable frame is rotatably connected to multiple connecting frames, and the two connecting frames are rotatably connected to the bottom end of the arc-shaped steel plate.

[0010] Preferably, two of the movable frames are slidably connected to the inner wall of the rotating frame, multiple connecting frames are slidably connected to the outer wall of the rotating frame, and two of the movable frames are slidably connected to the outer wall of multiple connecting rods.

[0011] Preferably, multiple gears are meshed at the tooth ends of gear two, multiple gears are meshed at the tooth ends of the inner gear ring, multiple gears are meshed at the tooth ends of the outer gear ring one, bevel gear two is slidably connected to the outer wall of rotating rod one, and bevel gear two is meshed at the tooth ends of bevel gear one.

[0012] Preferably, the second movable frame is slidably connected to the bottom end of the arc-shaped steel plate, the two movable blocks are slidably connected to the outer wall of the arc-shaped steel plate, the multiple springs are disposed on the inner wall of the second movable frame, the first fixed block is slidably connected to the bottom end of the movable block, and the multiple rotating wheels are slidably connected to the outer walls of both sides of the steel coil.

[0013] Preferably, gear three is meshed with the tooth end of rack one, gear four is meshed with the tooth end of rack two, and spring two and spring three are disposed on the inner wall of the bracket.

[0014] Preferably, the other end of the bracket is provided with a fixing groove, the second fixing block is slidably connected to the outer wall of the bracket, the second fixing block is slidably connected to the inner wall of the fixing groove, and the fixing gear is engaged with the tooth end of the outer tooth ring.

[0015] Preferably, the worm gear is meshed with the tooth end of the worm ring, the bevel gear three is meshed with the tooth end of the bevel gear four, and the limiting roller is slidably connected to the outer wall of the steel coil.

[0016] Working principle: The steel coil is placed on the arc-shaped steel plate 6, and multiple moving blocks 20 are moved so that the multiple moving blocks 20 are perpendicular to the arc-shaped steel plate 6 connected to them. Then, rotating block 7 is rotated so that the four arc-shaped steel plates 6 jointly support the steel coil. Rotating block 14 is rotated so that rotating block 14 indirectly drives the four rotating rods 8 to rotate through the transmission structure such as internal gear ring 15, gear 13 and connecting rod 12. Rotating rods 8 drive the four moving frames 19 to move through the transmission structure such as bevel gear 18, bevel gear 17 and threaded rod 16. Multiple rotating wheels 23 and multiple rotating wheels 24 contact the two sides of the steel coil to prevent the steel coil from detaching.

[0017] After the steel coil is placed, the rotating block 2609 is rotated, which indirectly drives the limiting frame 2601 to rotate downward through the rotating rod 2605, bevel gear 2608 and bevel gear 2607, so that the limiting roller 2602 comes into contact with the steel coil, thereby preventing the steel coil from bursting open.

[0018] Step on the fixed block 2509 with your foot, so that it indirectly drives the fixed gear frame 2501 to move upward through the movable frame 3 2507, and engages with the external gear ring 2502, so that the position of the external gear ring 2502 is fixed, thus achieving the effect of conveniently fixing the rotating frame 2.

[0019] This invention provides a steel coil shaft device for a stamping and bending machine. It has the following beneficial effects: 1. The present invention uses four arc-shaped steel plates to support the steel coil, and rotates the second rotating block, which indirectly drives the four second moving frames to move inward, so that the first rotating wheel on the moving block and the second rotating wheel on the rotating frame come into contact with both sides of the steel coil, thereby preventing the steel coil from detaching.

[0020] 2. By moving the movable frame three downwards, the movable frame three indirectly drives the fixed toothed frame to mesh with the outer toothed ring two, so that the outer toothed ring two is fixed, and the fixed block two contacts the fixed groove of the bracket, so that the outer toothed ring two is continuously fixed, thereby achieving the effect of conveniently fixing the rotating frame.

[0021] 3. The present invention indirectly drives the limiting frame and the limiting roller to rotate by rotating the third rotating block, so that the limiting roller comes into contact with the steel coil, thereby preventing the steel coil from bursting open. Attached Figure Description

[0022] Figure 1 This is an overall schematic diagram of the present invention; Figure 2 This is an overall unfolded view of the present invention; Figure 3 This is a cross-sectional view of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle; Figure 5 For the present invention Figure 3 Enlarged view at point B in the middle; Figure 6 For the present invention Figure 3 Enlarged view at point C; Figure 7 This is an exploded view of the clamping structure of the present invention; Figure 8 This is a cross-sectional view of the fixed structure of the present invention; Figure 9 This is an exploded view of part of the fixed structure of the present invention; Figure 10 This is a diagram of the limiting structure of the present invention.

[0023] The components include: 1. Bracket; 2. Rotating frame; 3. Threaded rod one; 4. Moving frame one; 5. Connecting frame two; 6. Arc steel plate; 7. Rotating block one; 8. Rotating rod one; 9. Gear one; 10. Gear two; 11. External gear ring one; 12. Connecting rod one; 13. Gear three; 14. Rotating block two; 15. Internal gear ring; 16. Threaded rod two; 17. Bevel gear one; 18. Bevel gear two; 19. Moving frame two; 20. Moving block; 21. Fixed block one; 22. Spring one; 23. Rotating wheel one; 24. Rotating wheel two; 25. Fixed assembly; 2501. Solid. 2502. Fixed gear frame; 2503. External gear ring II; 2504. Rack I; 2505. Connecting rod II; 2506. Gear III; 2507. Gear IV; 2508. Moving frame III; 2509. Fixed block II; 2510. Spring II; 2511. Spring III; 26. Limiting assembly; 2601. Limiting frame; 2602. Limiting roller; 2603. Worm gear ring; 2604. Rotating rod II; 2605. Rotating rod III; 2606. Worm; 2607. Bevel gear III; 2608. Dimensional gear IV; 2609. Rotating block III. Detailed Implementation

[0024] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0025] Please see the appendix Figure 1 -Appendix Figure 7This invention provides a steel coil shaft device for a stamping and bending machine, including a bracket 1. A rotating frame 2 is rotatably connected to one end of the bracket 1. A fixing component 25 is provided on the inner wall of the bracket 1. A gear 10 and multiple rotating rods 8, connecting rods 12, and a rotating wheel 24 are rotatably connected to the inner wall of the rotating frame 2. A gear 9 is fixedly connected to the bottom end of the rotating rod 8. An external gear ring 11 is fixedly connected to the outer wall of the gear 10. Gears 13 are fixedly connected to both ends of the connecting rod 12. A rotating block 14 is rotatably connected to one end of the rotating frame 2. An internal gear ring 15 is fixedly connected to the outer wall of the rotating block 14. Multiple arc-shaped steel plates 6 are fixedly connected to one end of the bracket 1. A threaded rod 16 is rotatably connected to the bottom end of the arc-shaped steel plate 6. A bevel gear 17 is fixedly connected to one end of the threaded rod 16. A bevel gear 18 is rotatably connected to the top end of the arc-shaped steel plate 6. A movable frame 19 is threadedly connected to the outer wall of the threaded rod 16. Both sides of the movable frame 19 are fixedly connected to... Both sides of the movable block 20 and the movable frame 19 are slidably connected to fixed blocks 21. Multiple springs 22 are installed at the bottom of the fixed blocks 21. Rotating wheels 23 are rotatably connected to the outer wall of the movable block 20. Steel coils are placed on the outer walls of multiple arc-shaped steel plates 6. Limiting components 26 are installed on the outer wall of the support 1. Multiple gears 13 are meshed with the tooth ends of gear 20. Multiple gears 13 are meshed with the tooth ends of the inner gear ring 15. Multiple gears 9 are meshed with the outer gear ring 15. The tooth end of ring 11, bevel gear 2 18 is slidably connected to the outer wall of rotating rod 1 8, bevel gear 2 18 is meshed with the tooth end of bevel gear 17, moving frame 2 19 is slidably connected to the bottom end of arc steel plate 6, two moving blocks 20 are slidably connected to the outer wall of arc steel plate 6, multiple springs 1 22 are set on the inner wall of moving frame 2 19, fixed block 1 21 is slidably connected to the bottom end of moving block 20, and multiple rotating wheels 1 23 and rotating wheels 2 24 are slidably connected to the outer walls of both sides of the steel coil.

[0026] Specifically, by setting two connecting frames 25 between the movable frame 14 and the arc-shaped steel plate 6, the movable frame 14 is threadedly connected to the outer wall of the threaded rod 13. Rotating the rotating block 17 causes the rotating block 17 to drive the two movable frames 14 to move together through the threaded rod 13. The two movable frames 14, through multiple connecting frames 25, jointly drive the four arc-shaped steel plates 6 to move outward. Then, the steel coil is placed on the four arc-shaped steel plates 6, so that the four arc-shaped steel plates 6 jointly support the steel coil. At the same time, the moving block 20 moves outward and rotates upward, so that the moving block 20 is vertically fixed by the fixing block 121 and the spring 122. During the movement, the other end of the arc steel plate 6 drives the bevel gear 18 to slide on the outer wall of the rotating rod 8. The rotating block 14 rotates, causing the internal gear ring 15 to indirectly drive the gear 10 to rotate through the transmission structure formed by the two gears 13 and the connecting rod 12. The gear 10 drives the four gears 9 and the rotating rod 8 to rotate through the external gear ring 11. The rotating rod 8 drives the bevel gear 17 and the threaded rod 16 to rotate through the bevel gear 18. The threaded rod 16 drives the moving frame 19 to move, so that multiple rotating wheels 23 contact the outer wall of one side of the steel coil, thus preventing the steel coil from detaching.

[0027] Please see the appendix Figure 3 and attached Figure 6 The inner wall of the rotating frame 2 is rotatably connected to a threaded rod 3. The other end of the threaded rod 3 is fixedly connected to a rotating block 7. The outer wall of the rotating block 7 is threadedly connected to two movable frames 4. The outer wall of the movable frame 4 is rotatably connected to multiple connecting frames 2 5. The two connecting frames 2 5 are rotatably connected to the bottom end of the arc steel plate 6.

[0028] Specifically, two movable frames 4 are threadedly connected to the outer wall of the threaded rod 3 and slidably connected to the inner wall of the rotating frame 2, so that the bottom ends of the four connecting frames 5 are rotatably connected to the outer wall of the movable frames 4, and the top ends of the connecting frames 5 are rotatably connected to the bottom end of the arc steel plate 6, so that the top ends of the two connecting frames 5 are connected to the bottom ends of both sides of the arc steel plate 6. Rotating the rotating block 7 causes the rotating block 7 to drive the two movable frames 4 to move together through the threaded rod 3, so that the two movable frames 4 together drive the four arc steel plates 6 to move through the multiple connecting frames 25, thereby achieving the effect of adjusting the support range of the arc steel plate 6.

[0029] Please see the appendix Figure 3 Two movable frames 4 are slidably connected to the inner wall of the rotating frame 2, multiple connecting frames 5 are slidably connected to the outer wall of the rotating frame 2, and two movable frames 4 are slidably connected to the outer wall of multiple connecting rods 12.

[0030] Specifically, the four connecting frames 25 are slidably connected to the outer wall of the rotating frame 2, and the four connecting rods 12 are slidably connected to the inner wall of the moving frame 4, so that the moving frame 4 can move stably on the inner wall of the rotating frame 2.

[0031] Please see the appendix Figure 8 and attached Figure 9 The fixing component 25 includes a fixing gear 2501, which is slidably connected to the inner wall of the bracket 1. A rack 2503 is fixedly connected to the outer wall of the fixing gear 2501. Two springs 2511 are provided at the top of the fixing gear 2501. A connecting rod 2504 is rotatably connected to the inner wall of the bracket 1. Gears 2505 and 2506 are fixedly connected to both ends of the connecting rod 2504, respectively. A movable frame 2507 is slidably connected to the inner wall of the bracket 1. A rack 2508 is fixedly connected to the outer wall of the movable frame 3 2507. A fixed block 2509 is slidably connected to the top of the movable frame 3 2507. A spring 2510 is provided at the bottom of the movable frame 3 2507. An external gear ring 2502 is fixedly connected to the outer wall of the rotating frame 2. A gear 3 2505 is meshed with the tooth end of the rack 1 2503. A gear 4 2506 is meshed with the tooth end of the rack 2 2508. Springs 2510 and 3511 are provided on the inner wall of the bracket 1.

[0032] Specifically, the elastic force of springs 2511 and 2510 causes spring 2511 to push the fixed gear frame 2501 downward, and spring 2510 to push the movable frame 2507 upward. By touching the fixed block 2509 with the foot and stepping down, the inner gear ring 1507 moves downward. The movable frame 2507 meshes with gear 4 2506, and gear 3 2505 meshes with rack 1 2503. Through the transmission structure such as rack 2 2508, gear 4 2506 and connecting rod 2 2504, the movable frame 2507 indirectly drives the fixed gear frame 2501 upward, so that the bottom end of the fixed gear frame 2501 meshes with the outer gear ring 2 2502, thus fixing the position of the rotating frame 2 and achieving the effect of conveniently fixing the rotating frame 2.

[0033] Please see the appendix Figure 8 and attached Figure 9 The other end of the bracket 1 is provided with a fixing groove. Fixing block 2509 is slidably connected to the outer wall of the bracket 1 and to the inner wall of the fixing groove. Fixing gear 2501 is engaged with the tooth end of the outer tooth ring 2502.

[0034] Specifically, when the movable frame 2507 moves downward to fix the rotating frame 2, the fixing block 2509 moves forward at the same time, so that one end of the fixing block 2509 contacts the fixing groove of the bracket 1. The movable frame 2507 pushes the fixing block 2509 upward through the elastic force of the spring 2510, so that the fixing block 2509 is fixed and the rotating frame 2 remains fixed.

[0035] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 10 The limiting component 26 includes a limiting frame 2601, a limiting roller 2602 rotatably connected to the outer wall of the limiting frame 2601, the limiting frame 2601 rotatably connected to the outer wall of the support 1, a worm gear ring 2603 fixedly connected to one end of the limiting frame 2601, a rotating rod 2604 and a rotating rod 2605 rotatably connected to the inner wall of the support 1, a worm 2606 fixedly connected to the outer wall of the rotating rod 2604, a bevel gear 2607 and a bevel gear 2608 fixedly connected to one end of the rotating rod 2604 and the rotating rod 2605 respectively, a rotating block 2609 fixedly connected to the other end of the rotating rod 2605, a worm 2606 meshing with the tooth end of the worm gear ring 2603, a bevel gear 2607 meshing with the tooth end of the bevel gear 2608, and a limiting roller 2602 slidably connected to the outer wall of the steel coil.

[0036] Specifically, the worm gear 2606 meshes with the worm ring 2603, and the bevel gear 3 2607 meshes with the dimension gear 4 2608. Rotating the rotating block 3 2609 causes the rotating block 3 2609 to drive the limiting frame 2601 to rotate through the transmission structure of the rotating rod 3 2605, dimension gear 4 2608, and bevel gear 3 2607. This causes the limiting roller 2602 to contact the outer wall of the steel coil through the limiting frame 2601, thereby preventing the steel coil from bursting open.

[0037] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel coil shaft device for a stamping and bending machine, comprising a support (1), characterized in that: One end of the bracket (1) is rotatably connected to a rotating frame (2). A fixing component (25) is provided on the inner wall of the bracket (1). A gear two (10) and multiple rotating rods one (8), a connecting rod one (12) and a rotating wheel two (24) are rotatably connected to the inner wall of the rotating frame (2). A gear one (9) is fixedly connected to the bottom end of the rotating rod one (8). An external gear ring one (11) is fixedly connected to the outer wall of the gear two (10). A gear three (13) is fixedly connected to both ends of the connecting rod one (12). A rotating block two (14) is rotatably connected to one end of the rotating frame (2). An internal gear ring (15) is fixedly connected to the outer wall of the rotating block two (14). Multiple arc steel plates (6) are fixedly connected to one end of the bracket (1). A threaded rod (16) is rotatably connected to the bottom end of the arc steel plate (6). A bevel gear (17) is fixedly connected to one end of the threaded rod (16). A bevel gear (18) is rotatably connected to the top end of the arc steel plate (6). A movable frame (19) is threadedly connected to the outer wall of the threaded rod (16). Movable blocks (20) are fixedly connected to both sides of the movable frame (19). Fixed blocks (21) are slidably connected to the inner walls of both sides of the movable frame (19). Multiple springs (22) are provided at the bottom end of the fixed blocks (21). A rotating wheel (23) is rotatably connected to the outer wall of the movable blocks (20). Steel coils are placed on the outer walls of multiple arc steel plates (6). A limit component (26) is provided on the outer wall of the bracket (1).

2. The steel coil shaft device for a stamping and bending machine according to claim 1, characterized in that: The fixing component (25) includes a fixing gear frame (2501), which is slidably connected to the inner wall of the bracket (1). A rack (2503) is fixedly connected to the outer wall of the fixing gear frame (2501). Two springs (2511) are provided at the top of the fixing gear frame (2501). A connecting rod (2504) is rotatably connected to the inner wall of the bracket (1). Gears are fixedly connected to both ends of the connecting rod (2504). The bracket (1) has a sliding connection to a movable frame (2507) on its inner wall, a rack (2508) fixedly connected to the outer wall of the movable frame (2507), a fixed block (2509) slidably connected to the top of the movable frame (2507), a spring (2510) provided at the bottom of the movable frame (2), and an external toothed ring (2502) fixedly connected to the outer wall of the rotating frame (2).

3. The steel coil shaft device for a stamping and bending machine according to claim 1, characterized in that: The limiting component (26) includes a limiting frame (2601), the outer wall of which is rotatably connected to a limiting roller (2602), the limiting frame (2601) is rotatably connected to the outer wall of the bracket (1), one end of the limiting frame (2601) is fixedly connected to a worm gear ring (2603), the inner wall of the bracket (1) is rotatably connected to a rotating rod two (2604) and a rotating rod three (2605), the outer wall of the rotating rod two (2604) is fixedly connected to a worm gear (2606), one end of the rotating rod two (2604) and the rotating rod three (2605) are respectively fixedly connected to a bevel gear three (2607) and a bevel gear four (2608), and the other end of the rotating rod three (2605) is fixedly connected to a rotating block three (2609).

4. The steel coil shaft device for a stamping and bending machine according to claim 1, characterized in that: The inner wall of the rotating frame (2) is rotatably connected to a threaded rod (3), and the other end of the threaded rod (3) is fixedly connected to a rotating block (7). The outer wall of the rotating block (7) is threadedly connected to two movable frames (4), and the outer wall of the movable frame (4) is rotatably connected to multiple connecting frames (5). The two connecting frames (5) are rotatably connected to the bottom end of the arc steel plate (6).

5. A steel coil shaft device for a stamping and bending machine according to claim 4, characterized in that: Two of the movable frames (4) are slidably connected to the inner wall of the rotating frame (2), and multiple connecting frames (5) are slidably connected to the outer wall of the rotating frame (2). Two of the movable frames (4) are slidably connected to the outer wall of multiple connecting rods (12).

6. The steel coil shaft device for a stamping and bending machine according to claim 1, characterized in that: Multiple gears three (13) are meshed on the tooth ends of gear two (10), multiple gears three (13) are meshed on the tooth ends of the inner gear ring (15), multiple gears one (9) are meshed on the tooth ends of the outer gear ring one (11), the bevel gear two (18) is slidably connected to the outer wall of the rotating rod one (8), and the bevel gear two (18) is meshed on the tooth ends of the bevel gear one (17).

7. The steel coil shaft device for a stamping and bending machine according to claim 1, characterized in that: The second movable frame (19) is slidably connected to the bottom end of the arc steel plate (6), the two movable blocks (20) are slidably connected to the outer wall of the arc steel plate (6), the multiple springs (22) are arranged on the inner wall of the second movable frame (19), the first fixed block (21) is slidably connected to the bottom end of the movable block (20), and the multiple rotating wheels (23) and the second rotating wheel (24) are slidably connected to the outer walls on both sides of the steel coil.

8. A steel coil shaft device for a stamping and bending machine according to claim 2, characterized in that: The gear three (2505) is meshed with the tooth end of the rack one (2503), the gear four (2506) is meshed with the tooth end of the rack two (2508), and the spring two (2510) and spring three (2511) are arranged on the inner wall of the bracket (1).

9. A steel coil shaft device for a stamping and bending machine according to claim 2, characterized in that: The other end of the bracket (1) is provided with a fixing groove. The second fixing block (2509) is slidably connected to the outer wall of the bracket (1). The second fixing block (2509) is slidably connected to the inner wall of the fixing groove. The fixing gear (2501) is meshed with the tooth end of the outer tooth ring (2502).

10. A steel coil shaft device for a stamping and bending machine according to claim 3, characterized in that: The worm (2606) is meshed with the tooth end of the worm ring (2603), the bevel gear three (2607) is meshed with the tooth end of the bevel gear four (2608), and the limiting roller (2602) is slidably connected to the outer wall of the steel coil.

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