Splitting machine

Abstract

The utility model belongs to the technical field of splitting machines, and particularly relates to a splitting machine which comprises a machine frame, an upper conveying mechanism and a lower conveying mechanism, the upper conveying mechanism and the lower conveying mechanism are arranged on the machine frame and can move relatively and vertically, a longitudinal cutter mechanism is further arranged on the machine frame, and the upper conveying mechanism comprises an upper installation frame and a plurality of upper conveying belt sets arranged on the upper installation frame. The longitudinal cutter mechanism is located between every two adjacent upper conveying belt sets, the lower conveying mechanism comprises a lower installation frame and a plurality of lower conveying belt sets arranged on the lower installation frame, and the lower conveying belt sets and the upper conveying belt sets are arranged in an up-down corresponding mode. The upper conveying mechanism and the lower conveying mechanism are divided into a plurality of upper conveying belt groups and a plurality of lower conveying belt groups, so that a transverse moving space is reserved for the longitudinal cutter mechanism, the conveying belts do not need to be adjusted when the longitudinal cutter mechanism is transversely adjusted, the adjusting time is shortened, the structure is simple, and later maintenance is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of slitting machines, in particular to a slitting machine. Background Art

[0002] The slitting machine uses a conveying mechanism to convey the material to be cut into the machine. The machine is provided with cutting tools in the horizontal and vertical directions, so as to cut the whole block or roll of material into smaller material units. The conveying mechanism of the existing slitting machine is usually a conveyor belt, and the conveyor belt and the longitudinal cutting tool are arranged alternately. The longitudinal cutting tool of the existing slitting machine is usually provided with a knife adjustment mechanism, so that the distance between adjacent knives can be adjusted, and then material units of different specifications can be cut. However, when adjusting the longitudinal cutting tool, the conveyor belt also needs to move synchronously. Therefore, the process of adjusting the longitudinal cutting tool takes a long time, and the structure of this type of slitting machine is complex, and it is extremely inconvenient to perform later inspection and maintenance. Utility Model Content

[0003] In order to solve the problems in the above-mentioned background technology, the utility model provides a slitting machine, which divides the upper conveying mechanism and the lower conveying mechanism into multiple upper conveying belt groups and multiple lower conveying belt groups, thereby leaving space for the longitudinal cutting knife mechanism to move horizontally. When the longitudinal cutting knife mechanism is adjusted horizontally, there is no need to adjust the conveyor belt, which not only shortens the adjustment time but also has a simple structure and is convenient for later maintenance.

[0004] The utility model provides a slitting machine, comprising a frame, an upper conveying mechanism and a lower conveying mechanism which are arranged on the frame and can move vertically relative to each other, a longitudinal cutting knife mechanism is also arranged on the frame, the upper conveying mechanism comprises an upper mounting frame and a plurality of upper conveying belt groups arranged on the upper mounting frame, the longitudinal cutting knife mechanism is located between two adjacent upper conveying belt groups, the lower conveying mechanism comprises a lower mounting frame and a plurality of lower conveying belt groups arranged on the lower mounting frame, and the lower conveying belt groups are arranged correspondingly to the upper conveying belt groups up and down.

[0005] Furthermore, the longitudinal cutting knife mechanism includes a longitudinal cutting knife mounting frame and a plurality of movable plates laterally slidably arranged on the longitudinal cutting knife mounting frame, each movable plate is rotatably connected to the longitudinal cutting knife, and the longitudinal cutting knife mounting frame is also provided with a longitudinal cutting knife power assembly for driving the longitudinal cutting knife to rotate and a knife adjusting assembly for adjusting the lateral position of the longitudinal cutting knife. A positioning plate extending laterally is provided below the longitudinal cutting knife mounting frame. When the longitudinal cutting knife is adjusted to a preset position, it is engaged with the outer edge of the positioning plate through a rebound assembly; the knife adjusting assembly includes a vertically retractable top block and a limit block, and a limit slot is provided on the movable plate. When the knife adjusting assembly moves laterally to one of the rebound assemblies, the top block pushes the rebound assembly to rotate downward to release the engagement with the positioning plate, and at the same time the limit block is inserted into the limit slot, and drives the rebound assembly and the longitudinal cutting knife to move laterally.

[0006] Further, the longitudinal cutting knife power assembly includes a longitudinal cutting knife driving motor disposed on the longitudinal cutting knife mounting bracket and a longitudinal cutting knife rotating shaft passing through a plurality of longitudinal cutting knives. A driving sprocket is disposed on the output shaft of the longitudinal cutting knife driving motor, a driven sprocket is disposed on the longitudinal cutting knife rotating shaft, and a first chain is sleeved between the driving sprocket and the driven sprocket.

[0007] Further, a linear bearing is disposed between the longitudinal cutting knife and the longitudinal cutting knife rotating shaft.

[0008] Further, the tool adjustment assembly includes a horizontally disposed slideway, a slider is slidably connected to the slideway, a cylinder is vertically disposed on the slider, a top block and a limit block are disposed on the push rod of the cylinder, and the tool adjustment assembly further includes a tool adjustment driving member for driving the slider to move horizontally.

[0009] Further, the tool adjustment driving member includes a tool adjustment driving motor, a lead screw is rotatably connected to the slideway horizontally, the lead screw is threadedly connected to the slider and passes through the slider, and the tool adjustment driving motor is connected to the lead screw through a first belt pulley and a first belt.

[0010] Further, the springback assembly includes a fixed block fixedly connected to the moving plate and a clamping rod rotatably connected to the moving plate. The clamping rod is located between the positioning plate and the fixed block, the clamping rod is clamped with the outer edge of the positioning plate, and a return spring is disposed between the clamping rod and the fixed block.

[0011] Further, a lifting mechanism is further disposed on the frame. The lower conveying mechanism is fixedly connected to the frame, the upper conveying mechanism is movably disposed on the frame, and the lifting mechanism is connected to the upper conveying mechanism and drives the upper conveying mechanism to move vertically.

[0012] Further, adjacent two upper conveyor belt groups are connected together through a second belt pulley and a second belt, adjacent two lower conveyor belt groups are connected together through a third belt pulley and a third belt, and a conveying power mechanism for simultaneously driving the upper conveyor belt group and the lower conveyor belt group to operate is disposed on the upper mounting bracket.

[0013] Further, the conveying power mechanism includes a conveying driving motor, the output shaft of the conveying driving motor is connected to the rotating shaft of one of the upper conveyor belt groups, a first sprocket is disposed at one end of the rotating shaft of the upper conveyor belt group, a second sprocket is disposed on the frame and is located above the first sprocket, a third sprocket is disposed on the upper mounting bracket and is located between the first sprocket and the second sprocket, a fourth sprocket is disposed at one end of the rotating shaft of the lower conveyor belt group, and a second chain is sleeved between the first sprocket, the second sprocket, the fourth sprocket and the third sprocket. The second chain sequentially bypasses the first sprocket, the second sprocket, the fourth sprocket and the third sprocket to form a closed loop.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] (1) The upper conveying mechanism and the lower conveying mechanism are divided into multiple upper conveyor belt groups and multiple lower conveyor belt groups, so as to leave space for the transverse movement of the longitudinal cutting tool mechanism. When the longitudinal cutting tool mechanism is adjusted transversely, there is no need to adjust the conveyor belt, which not only shortens the adjustment time, but also has a simple structure and is convenient for later maintenance.

[0016] (2) When adjusting the position of the longitudinal cutting tool, the tool adjustment driving part drives the slider to move transversely to one of the spring-back components. The air cylinder vertically pushes out the top block and the limit block. The top block drives the spring-back component to rotate downward to release the clamping with the positioning plate. At the same time, the limit block is inserted into the limit groove of the moving plate. Then the slider drives the limit block to move transversely, and the limit block drives the spring-back component and the longitudinal cutting tool to move transversely, so as to move the longitudinal cutting tool to the specified position. Subsequently, the air cylinder drives the top block and the limit block to retract, and the spring-back component automatically rebounds and is clamped with the positioning plate, thus limiting the position of the longitudinal cutting tool. The automatic adjustment of the position of the longitudinal cutting tool is realized through the tool adjustment component.

[0017] (3) The lifting mechanism can drive the upper conveying mechanism to move vertically, so as to adjust the distance between the upper conveying mechanism and the lower conveying mechanism according to the thickness of the material to be cut, and then realize the cutting of materials with different thicknesses. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of a slitter;

[0020] Figure 2 It is a schematic diagram of the overall structure of the longitudinal cutting tool mechanism;

[0021] Figure 3 It is a schematic diagram of the structure of the spring-back component;

[0022] Figure 4 It is a schematic diagram of the structures of the upper conveying mechanism and the lower conveying mechanism;

[0023] Figure 5 For Figure 4 an enlarged schematic diagram of part A in

[0024] Figure 6 It is a schematic diagram of the structure of the lifting mechanism;

[0025] Figure 7 It is a schematic diagram of the structure of the transverse cutting tool;

[0026] Figure 8 Schematic diagram of the structure of the outer shell;

[0027] Description of the reference numerals in the drawings: 1, frame; 2, longitudinal cutting knife mechanism; 20, longitudinal cutting knife mounting bracket; 21, moving plate; 22, longitudinal cutting knife; 23, longitudinal cutting knife power assembly; 230, longitudinal cutting knife drive motor; 231, longitudinal cutting knife rotating shaft; 232, driving sprocket; 233, driven sprocket; 234, first chain; 235, linear bearing; 24, tool adjustment assembly; 240, slideway; 241, slider; 242, cylinder; 243, top block; 244, limit block; 245, limit groove; 246, tool adjustment driving member; 2460, tool adjustment drive motor; 2461, lead screw; 2462, first pulley; 2463, first belt; 25, positioning plate; 26, spring return assembly; 260, fixed block; 261, clamping rod; 262, return spring; 3, upper conveying mechanism; 30, upper mounting bracket; 31, upper conveyor belt group; 32, second pulley; 33, second belt; 4, lower conveying mechanism; 40, lower mounting bracket; 41, lower conveyor belt group; 42, third pulley; 43, third belt; 5, conveying power mechanism; 50, conveying drive motor; 51, first sprocket; 52, second sprocket; 53, third sprocket; 54, fourth sprocket; 55, second chain; 6, lifting mechanism; 60, lifting drive motor; 61, ball screw lift; 62, connecting shaft; 63, coupling; 64, steering gear; 65, support plate; 66, through rod; 7, cross cutting knife; 70, cross cutting knife drive motor; 71, drive shaft; 72, rotating plate; 73, connecting rod; 74, sliding rod; 75, tool body; 8, outer shell; 80, cabinet door; 81, transparent window. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Next, in conjunction with the attached Figure 1 to the attached Figure 8 and specific embodiments, the present invention will be elaborated in detail.

[0030] Refer to Figure 1-8, a slitter provided by the utility model includes a frame 1. Above the frame 1, a longitudinal cutting knife mechanism 2 for longitudinally cutting materials is provided. The longitudinal cutting knife mechanism 2 includes a longitudinal cutting knife mounting frame 20. Below the longitudinal cutting knife mounting frame 20, a plurality of moving plates 21 are horizontally spaced. The moving plates 21 are slidably connected to the longitudinal cutting knife mounting frame 20. One longitudinal cutting knife 22 is rotatably connected to one side of each moving plate 21.

[0031] A longitudinal cutting knife power assembly 23 for driving the longitudinal cutting knife 22 to rotate is provided on the longitudinal cutting knife mounting frame 20. The longitudinal cutting knife power assembly 23 includes a longitudinal cutting knife driving motor 230 mounted on the longitudinal cutting knife mounting frame 20 and a longitudinal cutting knife rotating shaft 231 that penetrates through a plurality of longitudinal cutting knives 22 at the same time. A driving sprocket 232 is fixedly connected to the output shaft of the longitudinal cutting knife driving motor 230. A driven sprocket 233 is fixedly connected to one end of the longitudinal cutting knife rotating shaft 231 close to the longitudinal cutting knife driving motor 230. A first chain 234 is sleeved between the driving sprocket 232 and the driven sprocket 233. The longitudinal cutting knife 22 can not only rotate following the longitudinal cutting knife rotating shaft 231, but also horizontally move on the longitudinal cutting knife rotating shaft 231. A linear bearing 235 is also installed between the longitudinal cutting knife 22 and the longitudinal cutting knife rotating shaft 231, thereby reducing the friction between the longitudinal cutting knife 22 and the longitudinal cutting knife rotating shaft 231 and ensuring the smoothness of the horizontal movement of the longitudinal cutting knife 22.

[0032] A tool adjusting assembly 24 for adjusting the horizontal position of the longitudinal cutting knife 22 is also provided on the longitudinal cutting knife mounting frame 20. The tool adjusting assembly 24 is located above the longitudinal cutting knife 22. The tool adjusting assembly 24 includes a horizontally arranged slideway 240. The slideway 240 is fixedly connected to the longitudinal cutting knife mounting frame 20. A slider 241 is horizontally slidably connected to the slideway 240. Cylinders 242 are vertically installed on both sides of the slider 241. The push rods of the cylinders 242 are arranged downward. A top block 243 and a limit block 244 are fixedly connected to the ends of the push rods of the cylinders 242. A limit groove 245 is opened at the top of the moving plate 21. The limit block 244 is movably inserted into the limit groove 245. A tool adjusting driving member 246 for driving the slider 241 to horizontally move is provided on the slideway 240. The tool adjusting driving member 246 includes a tool adjusting driving motor 2460. The tool adjusting driving motor 2460 is installed at one end of the slideway 240. A lead screw 2461 is horizontally rotatably connected in the slideway 240. The lead screw 2461 penetrates through the slider 241 and is threadedly connected to the slider 241. The output shaft of the tool adjusting driving motor 2460 is connected to one end of the lead screw 2461 through two first belt pulleys 2462 and a first belt 2463, thereby driving the lead screw 2461 to rotate.

[0033] On the bottom surface of the longitudinal cutting tool mounting bracket 20, two toothed positioning plates 25 are fixedly connected horizontally. The two positioning plates 25 are located on both sides of the slideway 240. Two sets of spring return components 26 are arranged on each moving plate 21. The two sets of spring return components 26 are also located on both sides of the slideway 240. The spring return component 26 includes a fixedly arranged fixed block 260 and a clamping rod 261 rotatably connected to the moving plate 21. The clamping rod 261 is located between the fixed block 260 and the positioning plate 25. On the side of the clamping rod 261 close to the positioning plate 25, teeth adapted to the positioning plate 25 are arranged. The clamping rod 261 is clamped with the positioning plate 25. A return spring 262 is arranged between the clamping rod 261 and the fixed block 260. The return spring 262 has a tendency to drive the clamping rod 261 to rotate towards the direction close to the positioning plate 25.

[0034] On the frame 1, an upper conveying mechanism 3 and a lower conveying mechanism 4 that can move relatively vertically are arranged. The upper conveying mechanism 3 includes an upper mounting bracket 30. A plurality of upper conveyor belt groups 31 are detachably mounted on the upper mounting bracket 30. In this embodiment, the upper conveyor belt groups 31 are specifically arranged in three groups. Each group of upper conveyor belt groups 31 can be mounted on the upper mounting bracket 30 by bolts, clamping or plugging and other other detachable methods, so as to facilitate the later maintenance and overhaul of the upper conveyor belt groups 31. The longitudinal cutting tool mechanism 2 is located between two adjacent upper conveyor belt groups 31. Two adjacent upper conveyor belt groups 31 are connected by a second pulley 32 and a second belt 33, so as to realize the synchronous rotation of a plurality of upper conveyor belt groups 31; the lower conveying mechanism 4 includes a lower mounting bracket 40. A plurality of lower conveyor belt groups 41 are detachably mounted on the lower mounting bracket 40. In this embodiment, the lower conveyor belt groups 41 are also specifically arranged in three groups. Each group of lower conveyor belt groups 41 can also be mounted on the lower mounting bracket 40 by bolts, clamping or plugging and other other detachable methods, so as to facilitate the later maintenance and overhaul of the lower conveyor belt groups 41. The lower conveyor belt groups 41 are arranged corresponding to the upper conveyor belt groups 31 up and down. Two adjacent lower conveyor belt groups 41 are connected by a third pulley 42 and a third belt 43, so as to realize the synchronous rotation of a plurality of lower conveyor belt groups 41.

[0035] A conveying power mechanism 5 for simultaneously driving the upper conveyor belt group 31 and the lower conveyor belt group 41 to operate is provided on the upper mounting frame 30. The conveying power mechanism 5 includes a conveying drive motor 50. The output shaft of the conveying drive motor 50 is connected to the rotating shaft of one of the upper conveyor belt groups 31. One end of the rotating shaft of the other upper conveyor belt group 31 is provided with a first sprocket 51. A second sprocket 52 is fixedly installed on the frame 1 and the second sprocket 52 is located above the first sprocket 51. A third sprocket 53 is installed on the upper mounting frame 30 and the third sprocket 53 is located between the first sprocket 51 and the second sprocket 52. One end of the rotating shaft of the lower conveyor belt group 41 is provided with a fourth sprocket 54. A second chain 55 is sleeved between the first sprocket 51, the second sprocket 52, the fourth sprocket 54 and the third sprocket 53. The second chain 55 sequentially bypasses the first sprocket 51, the second sprocket 52, the fourth sprocket 54 and the third sprocket 53 to form a closed loop.

[0036] A lifting mechanism 6 is provided on the frame 1. In this embodiment, the lower conveying mechanism 4 is fixedly connected to the frame 1, and the upper conveying mechanism 3 is movably arranged on the frame 1. The lifting mechanism 6 is connected to the upper conveying mechanism 3 and drives the upper conveying mechanism 3 to move vertically; in other embodiments, it may also be that the upper conveying mechanism 3 is fixedly connected to the frame 1, the lower conveying mechanism 4 is movably arranged on the frame 1, and the lifting mechanism 6 is connected to the lower conveying mechanism 4 and drives the lower conveying mechanism 4 to move vertically.

[0037] The lifting mechanism 6 includes a lifting drive motor 60 and four ball screw elevators 61. The lifting drive motor 60 is located at the middle position of the bottom of the frame 1. The four ball screw elevators 61 are located at the four corners of the frame 1 and are arranged vertically. The two ball screw elevators 61 on the same side are connected together through a connecting shaft 62 and a coupling 63. The ball screw elevators 61 on both sides of the lifting drive motor 60 are connected to the lifting drive motor 60 through a connecting shaft 62, a coupling 63 and a steering gear 64, so as to realize the lifting drive motor 60 driving the four ball screw elevators 61 at the same time; a support plate 65 is fixedly connected between the tops of the two ball screw elevators 61 on the same side. A plurality of through rods 66 are vertically and fixedly connected to the top surface of the support plate. The through rods 66 penetrate through the lower mounting frame 40 and the tops are fixedly connected to the upper mounting frame 30, so as to realize the ball screw elevator 61 driving the upper mounting frame 30 to move vertically.

[0038] A transverse cutting knife 7 for horizontal cutting is also provided on the frame 1. The transverse cutting knife 7 is located between two lower conveyor belt groups 41. The transverse cutting knife 7 includes a transverse cutting knife drive motor 70. The transverse cutting knife drive motor 70 is installed at the bottom of the frame 1. A drive shaft 71 is also horizontally rotatably connected to the bottom of the frame 1. The transverse cutting knife drive motor 70 is connected to the drive shaft 71 and drives the drive shaft 71 to rotate. A rotating plate 72 is fixedly connected to both ends of the drive shaft 71. A connecting rod 73 is rotatably connected to one end of the rotating plate 72. A sliding rod 74 is vertically slidably connected to the frame 1. The bottom end of the sliding rod 74 is rotatably connected to the end of the connecting rod 73 away from the rotating plate 72. A horizontally arranged knife body 75 is fixedly connected between the top ends of the two sliding rods 74, so as to perform horizontal cutting of the material.

[0039] A housing 8 for protecting the internal mechanism is fixedly installed on the outside of the frame 1. A plurality of cabinet doors 80 are installed around the housing 8. The cabinet doors 80 facilitate the staff to inspect and repair the internal mechanism. A transparent window 81 is also provided on the housing 8. The transparent window 81 facilitates the staff to timely check the working conditions inside the slitter.

[0040] The implementation principle of a slitter provided by the present utility model is as follows: Before cutting the material, the tool adjustment drive motor 2460 drives the lead screw 2461 to rotate through the first pulley 2462 and the first belt 2463. The lead screw 2461 drives the slider 241 to move horizontally. When the slider 241 moves to a position of one of the elastic return components 26, the air cylinder 242 pushes the top block 243 and the limit block 244 to move downward. The top block 243 pushes the clamping rod 261 to rotate downward, so that the clamping state between the clamping rod 261 and the positioning plate 25 is released. At the same time, the limit block 244 is inserted into the limit groove 245 in the moving plate 21, and the limit block 244 drives the vertical cutting knife 22 to move horizontally. When the vertical cutting knife 22 moves to the specified position, the air cylinder 242 drives the top block 243 and the limit block 244 to move upward. The clamping rod 261 rotates in the direction close to the positioning plate 25 under the elastic action of the return spring 262, and the clamping rod 261 is clamped with the positioning plate 25 again, thereby limiting the horizontal position of the vertical cutting knife 22, that is, the position adjustment of the vertical cutting knife 22 is completed.

[0041] After the position of the vertical cutting knife 22 is adjusted, the lifting mechanism 6 drives the upper conveying mechanism 3 to move vertically, so as to adjust the distance between the upper conveying mechanism 3 and the lower conveying mechanism 4 according to the thickness of the material. Subsequently, the material can be inserted between the upper conveying mechanism 3 and the lower conveying mechanism 4 for cutting.

[0042] The above further describes the present utility model with the aid of specific embodiments. However, it should be understood that the specific description here should not be construed as a limitation on the essence and scope of the present utility model. Various modifications made by those of ordinary skill in the art to the above embodiments after reading this specification all fall within the scope protected by the present utility model.

Claims

1. A slitting machine, characterized in that: It comprises a frame, an upper conveying mechanism and a lower conveying mechanism which are arranged on the frame and can move vertically relative to each other, and a longitudinal cutting knife mechanism is also arranged on the frame; The upper conveying mechanism comprises an upper mounting frame and a plurality of upper conveying belt groups arranged on the upper mounting frame, and the longitudinal cutting knife mechanism is located between two adjacent upper conveying belt groups; The lower conveying mechanism comprises a lower mounting frame and a plurality of lower conveying belt groups arranged on the lower mounting frame, wherein the lower conveying belt groups are arranged correspondingly to the upper conveying belt groups in the upper and lower directions; The longitudinal cutting knife mechanism comprises a longitudinal cutting knife mounting frame and a plurality of movable plates which are laterally slidably arranged on the longitudinal cutting knife mounting frame, each of the movable plates is rotatably connected with a longitudinal cutting knife, the longitudinal cutting knife mounting frame is also provided with a longitudinal cutting knife power component which drives the longitudinal cutting knife to rotate and a knife adjusting component which is used to adjust the transverse position of the longitudinal cutting knife, a positioning plate which extends laterally is provided below the longitudinal cutting knife mounting frame, when the longitudinal cutting knife is adjusted to a preset position, it is engaged with the outer edge of the positioning plate through a rebound component; the knife adjusting component comprises a vertically retractable top block and a limit block, a limit slot is provided on the movable plate, when the knife adjusting component moves laterally to one of the rebound components, the top block pushes the rebound component to rotate downward to release the engagement with the positioning plate, and at the same time the limit block is inserted into the limit slot, and drives the rebound component and the longitudinal cutting knife to move laterally.

2. The slitting machine according to claim 1, characterized in that: The longitudinal cutter power assembly includes a longitudinal cutter drive motor arranged on the longitudinal cutter mounting frame and a longitudinal cutter rotating shaft passing through multiple longitudinal cutters. A driving sprocket is arranged on the output shaft of the longitudinal cutter drive motor, and a driven sprocket is arranged on the longitudinal cutter rotating shaft. A first chain is sleeved between the driving sprocket and the driven sprocket.

3. The slitting machine according to claim 2, characterized in that: A linear bearing is arranged between the slitting knife and the slitting knife rotating shaft.

4. The slitting machine according to claim 1, characterized in that: The knife adjusting assembly includes a transversely arranged slideway, a slider is slidably connected to the slideway, a cylinder is vertically arranged on the slider, the top block and the limit block are arranged on the push rod of the cylinder, and the knife adjusting assembly also includes a knife adjusting drive member that drives the slider to move transversely.

5. The slitting machine according to claim 4, characterized in that: The knife adjusting drive member comprises a knife adjusting drive motor, a lead screw is connected to the slideway for transverse rotation, the lead screw is threadedly connected to the slider and passes through the slider, and the knife adjusting drive motor is connected to the lead screw via a first pulley and a first belt.

6. The slitting machine according to claim 1, characterized in that: The rebound assembly includes a fixed block fixedly connected to the movable plate and a clamping rod rotatably connected to the movable plate, the clamping rod is located between the positioning plate and the fixed block, the clamping rod is clamped with the outer edge of the positioning plate, and a return spring is arranged between the clamping rod and the fixed block.

7. The slitting machine according to claim 1, characterized in that: The frame is also provided with a lifting mechanism, the lower conveying mechanism is fixedly connected to the frame, the upper conveying mechanism is movably arranged on the frame, and the lifting mechanism is connected to the upper conveying mechanism and drives the upper conveying mechanism to move vertically.

8. The slitting machine according to claim 1, characterized in that: The two adjacent upper conveyor belt groups are connected together by a second pulley and a second belt, and the two adjacent lower conveyor belt groups are connected together by a third pulley and a third belt. The upper mounting frame is provided with a conveying power mechanism for simultaneously driving the upper conveyor belt group and the lower conveyor belt group to operate.

9. The slitting machine according to claim 8, characterized in that: The conveying power mechanism includes a conveying drive motor, the output shaft of the conveying drive motor is connected to the rotating shaft of one of the upper conveyor belt groups, a first sprocket is arranged at one end of the rotating shaft of the upper conveyor belt group, a second sprocket is arranged on the frame and is located above the first sprocket, a third sprocket is arranged on the upper mounting frame and is located between the first sprocket and the second sprocket, a fourth sprocket is arranged at one end of the rotating shaft of the lower conveyor belt group, a second chain is sleeved between the first sprocket, the second sprocket, the fourth sprocket and the third sprocket, and the second chain passes around the first sprocket, the second sprocket, the fourth sprocket and the third sprocket in sequence to form a closed loop.

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