Aluminum coil splitting machine

Abstract

The utility model discloses an aluminum coil splitting machine, and relates to the technical field of splitting machines. An aluminum coil is arranged above the workbench, an unwinding motor is arranged on the front side of the aluminum coil, a flattening mechanism is arranged on the right side of the aluminum coil, a slitting mechanism is arranged on the right side of the flattening mechanism, a slitting knife and a limiting plate are arranged in the slitting mechanism, and a first connecting ring and a second connecting ring are arranged on the inner side of the slitting knife and the inner side of the limiting plate correspondingly. The first connecting ring and the first fixing pipe are connected through a first locking bolt and a first movable sliding block, and the second connecting ring and the second fixing pipe are connected through a second locking bolt and a second movable sliding block. When the slitting knife and the limiting plate rotate, the first connecting ring and the second connecting ring are static, so that the firmness of the first locking bolt and the second locking bolt is greatly improved, the slitting knife and the limiting plate are effectively prevented from moving in the slitting process, and the quality of slit products is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of slitting machines, in particular to an aluminum coil slitting machine. Background Art

[0002] An aluminum coil slitting machine is a mechanical device that slits wide aluminum strips into multiple narrow strips and rewinds the slit strips into coils. Due to its ease of operation, high cutting quality, high material utilization, and stepless cutting speed regulation, it is widely used in the transformer, motor, home appliance, automotive, building materials, and packaging industries.

[0003] Existing aluminum coil slitting machines present several issues that hinder slitting performance. This is particularly true when adjusting the spacing between coils. Existing technology often employs bolts that penetrate the slitting blade structure and abut against the sidewall of the rotating rod. However, due to the high-speed rotation of the slitting blade and rotating rod during slitting, the equipment vibrates significantly, which can easily loosen the bolts. This, in turn, affects the stability of the slitting blade, resulting in reduced product quality, inaccurate cut dimensions, and uneven cut surfaces. Utility Model Content

[0004] The purpose of the utility model is to provide an aluminum coil slitting machine, which solves the technical problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: an aluminum coil slitting machine, comprising a workbench, an aluminum coil is arranged above the workbench, an unwinding motor is arranged on the front side of the aluminum coil, a flattening mechanism is arranged on the right side of the aluminum coil, and a slitting structure is arranged on the right side of the flattening mechanism;

[0006] The slitting structure includes a slitting frame, which is U-shaped and fixed to the upper end of the workbench. The upper end of the slitting frame is fixedly connected to a slitting electric push rod, and the output end of the slitting electric push rod passes through the upper side wall of the slitting frame and is fixedly connected to a moving frame. The moving frame is U-shaped, and the front and rear outer walls of the moving frame are respectively slidably connected to the front and rear inner walls of the slitting frame through limiting slide grooves. A plurality of slitting knives are provided on the inner side of the moving frame, and a limiting plate is provided below the slitting knife. A slitting limiting groove is provided on the peripheral surface of the limiting plate, and the slitting limiting groove is adapted to the slitting knife.

[0007] Preferably, the slitting knife and the limiting plate are both annular, the slitting knife is rotatably connected to a connecting ring 1 on the inner side, the limiting plate is rotatably connected to a connecting ring 2 on the inner side, the rear inner wall of the slitting frame is fixedly connected to a fixing tube 2, the front end of the fixing tube 2 sequentially passes through a plurality of connecting rings 2 and is fixedly connected to the front inner wall of the slitting frame, a rectangular sliding hole 2 is provided on the inner side of the fixing tube 2, a movable slider 2 is slidably connected in the sliding hole 2, a movable slideway 2 is provided on the side wall of the fixing tube 2, a locking bolt 2 is provided on the outer side of the movable slider 2, and one end of the locking bolt 2 close to the movable slider 2 passes through the connecting ring 2 and the movable slideway 2, and is threadedly connected to the side wall of the movable slider 2;

[0008] A fixing tube is fixedly connected to the inner wall of the rear side of the moving frame, and the front end of the fixing tube passes through several fixing rings in sequence and is fixedly connected to the inner wall of the front side of the moving frame. A rectangular sliding hole is provided on the inner side of the fixing tube, and a moving slide is provided on one side wall of the sliding hole. A moving slider is slidably connected to the sliding hole, and a locking bolt is provided on the outer side of the moving slider. The end of the locking bolt close to the moving slider passes through the connecting ring and the moving slide in sequence, and is threadedly connected to the moving slider.

[0009] Preferably, the end of the movable slider 1 close to the locking bolt 1 and the side wall of the sliding hole 1 close to the locking bolt 1, as well as the end of the movable slider 2 close to the locking bolt 2 and the side wall of the sliding hole 2 close to the locking bolt 2 are all designed with a frosted structure.

[0010] Preferably, a driven gear ring 1 and a rotating ring 2 are sleeved on the fixed tube 1, a front end of the driven gear ring 1 is fixedly connected to a plurality of limiting rods 1, the front end of the limiting rod 1 sequentially passes through a plurality of slitting knives and is fixedly connected to the rear end of the rotating ring 2, the rear end of the driven gear ring 1 is rotatably connected to the rear inner wall of the movable frame, and the front end of the rotating ring 2 is rotatably connected to the front inner wall of the movable frame;

[0011] A driven gear ring 2 and a rotating ring 1 are sleeved on the fixed tube 2, and a plurality of limit rods 2 are fixedly connected to the front end of the driven gear ring 2. The front end of the limit rods 2 passes through a plurality of limit plates in sequence and is fixedly connected to the rear end of the rotating ring 1. The rear end of the driven gear ring 2 is rotatably connected to the rear inner wall of the slitting frame, and the front end of the rotating ring 1 is rotatably connected to the front inner wall of the slitting frame.

[0012] The transmission mechanism that this sliding panel also is arranged on the base comprises that this sliding panel also is arranged on the base, and this sliding panel also is arranged on the base to rotate together.

[0013] The two wheels are locked and the two guide rails is locked. The two wheels are locked and the two guide rails has a lock hole, the two guide rails are locked and the two guide rails are locked. The two guide rails are locked and the two guide rails are locked.

[0014] Compared with the related art, the aluminum coil slitting machine provided by the present invention has the following beneficial effects:

[0015] 1. When the slitting knife and the limit plate are used to slit the aluminum coil, the slitting knife and the limit plate rotate, while the connecting ring 1, the locking bolt 1, the connecting ring 2 and the locking bolt 2 are stationary. In addition, the side wall adjacent to the moving slider 1 and the sliding hole 1, as well as the side wall adjacent to the moving slider 2 and the sliding hole 2 are frosted, which greatly improves the firmness of the slitting knife and the limit plate during use of the equipment, so that the quality of the slit products is guaranteed.

[0016] 2. This equipment is equipped with a transmission chain between the driven gear ring 1, the driven gear ring 2, the driving gear disc and the driven gear disc. A tensioning spring is provided on the outside of the driven gear disc to ensure that the transmission chain is always in a tensioned state when the slitting electric push rod drives the moving frame and the slitting knife to move up and down. The transmission gear ring 1 and the transmission gear ring 2 are located on the inner and outer sides of the transmission chain respectively, thereby ensuring that a single rotating motor can realize the rotation of the transmission gear ring 1 and the transmission gear ring 2 while realizing the slitting of the aluminum coil, ensuring the stability and continuity of the slitting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a three-dimensional schematic diagram of the cutting structure of the utility model;

[0019] Figure 3 This is a three-dimensional schematic diagram of the cut structure of the utility model at another angle;

[0020] Figure 4 This is a three-dimensional schematic diagram of another angle-cutting structure of the present invention;

[0021] Figure 5 This is a schematic diagram of the positional relationship between the slitting knife and the limiting plate of the utility model;

[0022] Figure 6 For the utility model Figure 5 Enlarged view of point A in the middle;

[0023] Figure 7 For the utility model Figure 5 Enlarged view of point B in the middle;

[0024] Figure 8 This is a schematic diagram of the slitting drive mechanism in the utility model;

[0025] Figure 9 For the utility model Figure 8 Enlarged view of point C in the middle;

[0026] Figure 10 It is a schematic diagram of the three-dimensional structure of the flattening mechanism of the present utility model.

[0027] Figure: 1. Workbench; 2. Aluminum coil; 3. Unwinding motor; 4. Flattening mechanism; 5. Slitting frame; 6. Slitting electric push rod; 7. Moving frame; 8. Slitting knife; 9. Limit plate; 10. Rotating motor; 11. Driving gear disc; 12. Driven gear ring 1; 13. Driven gear ring 2; 14. Transmission chain; 15. Auxiliary plate; 16. Sliding frame; 17. Driven gear disc; 18. Baffle; 19. Tension spring; 20. Rotating ring 1; 21. Fixed tube 1; 22. Fixed tube 2; 23. Limit plate Rod one; 24. Limit rod two; 25. Cutting limit groove; 26. Sliding hole one; 27. Sliding hole two; 28. Moving slide one; 29. Moving slider one; 30. Locking bolt one; 31. Connecting ring one; 32. Moving slider two; 33. Locking bolt two; 34. Connecting ring two; 35. Fixed plate; 36. Upper flattening rod; 37. Lifting frame; 38. Push plate; 39. Abutment spring; 40. Lifting electric push rod; 41. Lower flattening rod; 42. Rotating ring two; 43. Moving slide two. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] Example:

[0030] See also Figures 1-10 The utility model provides a technical solution: an aluminum coil slitting machine, comprising a workbench 1, an aluminum coil 2 is arranged above the workbench 1, a reeling motor 3 is arranged on the front side of the aluminum coil 2, a flattening mechanism 4 is arranged on the right side of the aluminum coil 2, and a slitting structure is arranged on the right side of the flattening mechanism 4;

[0031] The slitting structure includes a slitting frame 5, which is U-shaped and fixed to the upper end of the workbench 1. The upper end of the slitting frame 5 is fixedly connected to a slitting electric push rod 6. The output end of the slitting electric push rod 6 passes through the upper side wall of the slitting frame 5 and is fixedly connected to a moving frame 7. The moving frame 7 is U-shaped, and the front and rear outer walls of the moving frame 7 are respectively slidably connected to the front and rear inner walls of the slitting frame 5 through limiting slide grooves. A plurality of slitting knives 8 are provided on the inner side of the moving frame 7, and a limiting plate 9 is provided below the slitting knife 8. A slitting limiting groove 25 is provided on the peripheral surface of the limiting plate 9, and the slitting limiting groove 25 is adapted to the slitting knife 8.

[0032] The slitting knife 8 and the limiting plate 9 are both annular, and the inner side of the slitting knife 8 is rotatably connected to a connecting ring 1 31, and the inner side of the limiting plate 9 is rotatably connected to a connecting ring 2 34. The inner wall of the rear side of the slitting frame 5 is fixedly connected to a fixed tube 22, and the front end of the fixed tube 22 sequentially passes through several connecting rings 2 34 and is fixedly connected to the front inner wall of the slitting frame 5. A rectangular sliding hole 27 is provided on the inner side of the fixed tube 22, and a movable slider 2 32 is slidably connected in the sliding hole 27. A movable slideway 2 43 is provided on the side wall of the fixed tube 22, and a locking bolt 2 33 is provided on the outer side of the movable slider 2 32. The end of the locking bolt 2 33 close to the movable slider 2 32 passes through the connecting ring 2 34 and the movable slideway 2 43, and is threadedly connected to the side wall of the movable slider 2 32;

[0033] A fixing tube 21 is fixedly connected to the rear inner wall of the moving frame 7. The front end of the fixing tube 21 sequentially passes through a plurality of fixed connection rings 31 and is fixedly connected to the front inner wall of the moving frame 7. A rectangular sliding hole 26 is provided on the inner side of the fixing tube 21. A moving slideway 28 is provided on the side wall of the sliding hole 26. A moving slider 29 is slidably connected to the sliding hole 26. A locking bolt 30 is provided on the outer side of the moving slider 29. The end of the locking bolt 30 near the moving slider 29 sequentially passes through the connection ring 31 and the moving slideway 28 and is threadedly connected to the moving slider 29.

[0034] The end of the movable slider 1 29 near the locking bolt 1 30 and the side wall of the sliding hole 1 26 near the locking bolt 1 30, as well as the end of the movable slider 2 32 near the locking bolt 2 33 and the side wall of the sliding hole 27 near the locking bolt 2 33, all adopt a frosted structural design. The frosted structural design ensures that the locking bolt 1 30 and the movable slider 1 29 cooperate to fix the connecting ring 1 31 firmly, and that the locking bolt 2 33 and the movable slider 2 32 cooperate to fix the connecting ring 2 34 firmly.

[0035] A driven gear ring 12 and a rotating ring 2 42 are sleeved on the fixed tube 1 21. The front end of the driven gear ring 12 is fixedly connected to a plurality of limit rods 1 23. The front end of the limit rod 1 23 sequentially passes through a plurality of slitting knives 8 and is fixedly connected to the rear end of the rotating ring 2 42. The rear end of the driven gear ring 12 is rotatably connected to the rear inner wall of the movable frame 7, and the front end of the rotating ring 2 42 is rotatably connected to the front inner wall of the movable frame 7. Under the action of the limit rod 1 23, the slitting knives 8 and the driven gear ring 12 are ensured to rotate synchronously.

[0036] A driven gear ring 2 13 and a rotating ring 1 20 are sleeved on the fixed tube 22. The front end of the driven gear ring 2 13 is fixedly connected to a plurality of limiting rods 24. The front ends of the limiting rods 24 sequentially pass through a plurality of limiting plates 9 and are fixedly connected to the rear end of the rotating ring 20. The rear end of the driven gear ring 2 13 is rotatably connected to the rear inner wall of the slitting frame 5, and the front end of the rotating ring 20 is rotatably connected to the front inner wall of the slitting frame 5. The limiting rods 24 ensure that the limiting plate 9 and the driven gear ring 2 13 rotate synchronously, and the driven gear ring 2 13 and the driven gear ring 1 12 are driven by the transmission chain 14, thereby ensuring that the slitting knife 8 and the limiting plate 9 rotate synchronously.

[0037] A rotating motor 10 is provided on the right side of the slitting frame 5, and a driving gear disc 11 is fixedly connected to the output end of the rotating motor 10. An auxiliary plate 15 is fixedly connected to the left end of the slitting frame 5. The front end of the auxiliary plate 15 is slidably connected to a sliding frame 16 through a limiting slide groove. The inner side of the sliding frame 16 is rotatably connected to a driven gear disc 17. A transmission chain 14 is provided between the driving gear disc 11, the driven gear ring 12, the driven gear ring 2 13 and the driven gear disc 17. The driving gear disc 11, the driven gear ring 12 and the driven gear disc 17 are located on the inner side of the transmission chain 14. The second gear ring 13 is located on the outside of the transmission chain 14. The front end of the auxiliary plate 15 is fixedly connected to a baffle 18. The baffle 18 is located on the right side of the sliding frame 16. The right end of the sliding frame 16 is fixedly connected to a tensioning spring 19. The right end of the tensioning spring 19 is fixedly connected to the left end of the baffle 18. The tensioning spring 19 is always in a compressed state. Under the action of the tensioning spring 19, the transmission chain 14 is always kept in a tensioned state when the slitting electric push rod 6 drives the moving frame 7 to move in the up and down directions, thereby ensuring the smooth progress of the slitting operation.

[0038] The flattening mechanism 4 includes an upper flattening rod 36 and two fixed plates 35. The lower end of the fixed plate 35 is fixedly connected to the upper end surface of the workbench 1. The front and rear ends of the upper flattening rod 36 are respectively rotatably connected to the adjacent side walls of the two fixed plates 35. The upper flattening rod 36 is externally connected to a flattening motor. A lifting frame 37 is provided below the upper flattening rod 36. The front and rear ends of the lifting frame 37 are respectively slidably connected to the adjacent side walls of the front and rear fixed plates 35 through limiting sliding grooves. A lower flattening rod 41 is provided on the inner side of the lifting frame 37. The front and rear ends of the lower flattening rod 41 are respectively connected to the adjacent side walls of the front and rear fixed plates 35. The inner walls on the front and rear sides of the lifting frame 37 are rotatably connected, and the lower end of the workbench 1 is fixedly connected to a lifting electric push rod 40. The output end of the lifting electric push rod 40 passes through the workbench 1 and is fixedly connected to a push plate 38. The upper end of the push plate 38 is fixedly connected to a plurality of abutment springs 39. The upper end of the abutment spring 39 is fixedly connected to the lower end of the lifting frame 37. During the slitting operation, the lifting electric push rod 40 is used to push the push plate 38 and the lifting frame 37 upward, and then the lower flattening rod 41 and the upper flattening rod 36 are used to flatten the aluminum plate.

[0039] Working principle: When in use, the lifting electric push rod 40 is used to drive the lower flattening rod 41 to move downward, and the slitting electric push rod 6 lifts the moving rod and several slitting knives 8 upward, and adjusts the distance between the slitting knife 8 and the limit plate 9 according to the size of the product to be processed. When adjusting the spacing, loosen the locking bolt 1 30 and the locking bolt 2 33, pull the slitting knife 8 and the limit plate 9 to slide in the front and rear directions, and tighten the locking bolt 1 30 and the locking bolt 2 33 after the position adjustment to drive the moving slider 1 29 and the moving slider 2 32 to fit tightly with the inner wall of the sliding hole 1 26 and the sliding hole 2 27, thereby ensuring that the position of the slitting knife 8 and the limit plate 9 is fixed, and one end of the aluminum coil 2 passes between the upper flattening rod 36 and the lower flattening rod 41 and between the slitting knife 8 and the limit plate 9, and is connected to the external winding mechanism. When slitting, the lifting electric push rod 40 is used to push the push plate 38 and the lifting The frame 37 moves upward, and then the lower flattening rod 41 and the upper flattening rod 36 are used to flatten the aluminum plate, and the slitting electric push rod 6 is used to drive the moving rod and several slitting knives 8 to move downward. At the same time, the rotating motor 10 is used to drive the transmission chain 14 to rotate through the active gear disc 11, and the slitting knife 8 and the limit plate 9 are driven to rotate through the cooperation of the transmission gear ring 1 and the transmission gear ring 2, and then the aluminum coil 2 is slitting. When the slitting knife 8 and the limit plate 9 cooperate to slitting the aluminum coil 2, the slitting knife 8 and the limit plate 9 rotate, and the connecting ring 1 31, the locking bolt 1 30, the connecting ring 2 34 and the locking bolt 2 33 are all stationary, and the adjacent side walls of the moving slider 1 29 and the sliding hole 1 26 and the adjacent side walls of the moving slider 2 32 and the sliding hole 27 are all frosted structures, which greatly improves the firmness of the slitting knife 8 and the limit plate 9 during use of the equipment and ensures the slitting quality.

[0040] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum coil slitting machine, comprising a workbench (1), characterized in that: An aluminum coil (2) is provided above the workbench (1), an unwinding motor (3) is provided on the front side of the aluminum coil (2), a flattening mechanism (4) is provided on the right side of the aluminum coil (2), and a slitting structure is provided on the right side of the flattening mechanism (4); The slitting structure comprises a slitting frame (5), the slitting frame (5) is U-shaped, the slitting frame (5) is fixed to the upper end of the workbench (1), the upper end of the slitting frame (5) is fixedly connected to a slitting electric push rod (6), the output end of the slitting electric push rod (6) passes through the upper side wall of the slitting frame (5) and is fixedly connected to a moving frame (7), the moving frame (7) is U-shaped, the front and rear outer walls of the moving frame (7) are respectively slidably connected to the front and rear inner walls of the slitting frame (5) through limiting sliding grooves, a plurality of slitting knives (8) are arranged on the inner side of the moving frame (7), a limiting plate (9) is arranged below the slitting knife (8), a slitting limiting groove (25) is opened on the peripheral surface of the limiting plate (9), and the slitting limiting groove (25) is adapted to the slitting knife (8).

2. The aluminum coil slitting machine according to claim 1, characterized in that: The slitting knife (8) and the limiting plate (9) are both annular, the inner side of the slitting knife (8) is rotatably connected to a connecting ring 1 (31), the inner side of the limiting plate (9) is rotatably connected to a connecting ring 2 (34), the rear inner wall of the slitting frame (5) is fixedly connected to a fixed tube 2 (22), the front end of the fixed tube 2 (22) sequentially passes through a plurality of connecting rings 2 (34), and is fixedly connected to the front inner wall of the slitting frame (5), the inner side of the fixed tube 2 (22) is provided with a rectangular sliding hole 2 (27), the sliding hole 2 (27) is slidably connected to a moving slider 2 (32), the side wall of the fixed tube 2 (22) is provided with a moving slideway 2 (43), the outer side of the moving slider 2 (32) is provided with a locking bolt 2 (33), the end of the locking bolt 2 (33) close to the moving slider 2 (32) passes through the connecting ring 2 (34) and the moving slideway 2 (43), and is threadedly connected to the side wall of the moving slider 2 (32); The rear inner wall of the movable frame (7) is fixedly connected with a fixed tube (21), the front end of the fixed tube (21) sequentially passes through a plurality of fixed connection rings (31) and is fixedly connected to the front inner wall of the movable frame (7), the inner side of the fixed tube (21) is provided with a rectangular sliding hole (26), the side wall of the sliding hole (26) is provided with a movable slideway (28), the sliding hole (26) is slidably connected with a movable slider (29), the outer side of the movable slider (29) is provided with a locking bolt (30), the end of the locking bolt (30) close to the movable slider (29) sequentially passes through the connection ring (31) and the movable slideway (28), and is threadedly connected to the movable slider (29).

3. The aluminum coil slitting machine according to claim 2, characterized in that: The end of the movable slider 1 (29) close to the locking bolt 1 (30) and the side wall of the sliding hole 1 (26) close to the locking bolt 1 (30) as well as the end of the movable slider 2 (32) close to the locking bolt 2 (33) and the side wall of the sliding hole 2 (27) close to the locking bolt 2 (33) are all designed with a frosted structure.

4. The aluminum coil slitting machine according to claim 2, characterized in that: The fixed tube 1 (21) is provided with a driven gear ring 1 (12) and a rotating ring 2 (42), the front side end of the driven gear ring 1 (12) is fixedly connected to a plurality of limiting rods 1 (23), the front side end of the limiting rod 1 (23) passes through a plurality of slitting knives (8) in sequence, and is fixedly connected to the rear side end of the rotating ring 2 (42), the rear side end of the driven gear ring 1 (12) is rotatably connected to the rear inner wall of the moving frame (7), and the front side end of the rotating ring 2 (42) is rotatably connected to the front inner wall of the moving frame (7); The fixed tube 2 (22) is provided with a driven gear ring 2 (13) and a rotating ring 1 (20). The front side end of the driven gear ring 2 (13) is fixedly connected to a plurality of limiting rods 2 (24). The front side end of the limiting rods 2 (24) sequentially passes through a plurality of limiting plates (9) and is fixedly connected to the rear side end of the rotating ring 1 (20). The rear side end of the driven gear ring 2 (13) is rotatably connected to the rear inner wall of the slitting frame (5), and the front side end of the rotating ring 1 (20) is rotatably connected to the front inner wall of the slitting frame (5).

5. The aluminum coil slitting machine according to claim 4, characterized in that: A rotating motor (10) is provided on the right side of the slitting frame (5), and an output end of the rotating motor (10) is fixedly connected to a driving gear disc (11). An auxiliary plate (15) is fixedly connected to the left end of the slitting frame (5). The front end of the auxiliary plate (15) is slidably connected to a sliding frame (16) through a limiting sliding groove. The inner side of the sliding frame (16) is rotatably connected to a driven gear disc (17). A transmission chain (14) is provided between the driving gear disc (11), the driven gear ring 1 (12), the driven gear ring 2 (13) and the driven gear disc (17). The driving toothed disc (11), the driven toothed ring 1 (12) and the driven toothed disc (17) are located on the inner side of the transmission chain (14), and the driven toothed ring 2 (13) is located on the outer side of the transmission chain (14). The front end of the auxiliary plate (15) is fixedly connected to a baffle (18), and the baffle (18) is located on the right side of the sliding frame (16). The right end of the sliding frame (16) is fixedly connected to a tensioning spring (19), and the right end of the tensioning spring (19) is fixedly connected to the left end of the baffle (18). The tensioning spring (19) is always in a compressed state.

6. The aluminum coil slitting machine according to claim 1, characterized in that: The flattening mechanism (4) comprises an upper flattening rod (36) and two fixed plates (35), the lower end of the fixed plate (35) is fixedly connected to the upper end surface of the workbench (1), the front and rear ends of the upper flattening rod (36) are respectively rotatably connected to the adjacent side walls of the two fixed plates (35), the upper flattening rod (36) is externally connected to a flattening motor, a lifting frame (37) is provided below the upper flattening rod (36), the front and rear ends of the lifting frame (37) are respectively slidably connected to the adjacent side walls of the front and rear fixed plates (35) through limiting sliding grooves, A lower flattening rod (41) is provided on the inner side of the lifting frame (37), and the front and rear ends of the lower flattening rod (41) are rotatably connected to the front and rear inner walls of the lifting frame (37) respectively. The lower end of the workbench (1) is fixedly connected to a lifting electric push rod (40), and the output end of the lifting electric push rod (40) passes through the workbench (1) and is fixedly connected to a push plate (38). The upper end of the push plate (38) is fixedly connected to a plurality of abutting springs (39), and the upper end of the abutting spring (39) is fixedly connected to the lower end of the lifting frame (37).

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