Rewinding and scoring apparatus

Abstract

The utility model provides a rewinding score equipment relates to the field of silicon steel surface score, this rewinding score equipment, including unwinding mechanism, one side of unwinding mechanism is rotatively connected with main rotating shaft, the outside of main rotating shaft is provided with the tight piece, one side of unwinding mechanism is provided with the drive motor, the outside fixed connection of main rotating shaft has the brake pad, this rewinding score equipment, through the real -time detection of tension sensor volume material tension, and the data feedback to control system, cooperate brake part dynamic regulation torque, buffering mechanism realizes the automatic matching speed -adjusting of the speed of feeding through the up and down floating of movable drum, through double rectification mechanism, by unwinding end rectifier and winding end deviation prevent ware group, form the whole process position control of'unwinding early correction plus winding before secondary correction ', unwinding end rectifier carries out the preliminary orientation to volume material through the swing angle, avoids the position deviation of unwinding stage to transfer to the subsequent process.

Description

Technical Field

[0001] This utility model relates to a rewinding and scoring device, specifically a rewinding and scoring device, belonging to the field of silicon steel surface scoring technology. Background Technology

[0002] Rewinding and scoring equipment is a specialized device used in the rewinding process of flexible materials such as paper, film, and nonwoven fabric. Its core function is to create regular scores on the material surface at specific intervals, depths, or shapes using pre-set scoring tools or indentation components while the material is being rewound. This type of equipment typically works in conjunction with a rewinding machine, integrating core modules such as unwinding, tension control, scoring execution, and rewinding / rewinding. The unwinding mechanism smoothly transports the raw material to the scoring station, the tension control system ensures the material remains flat and wrinkle-free during scoring, the scoring components (such as a circular scoring tool working with a bottom roller, or an indentation roller) precisely process the material according to process requirements (such as tear lines, creases, and slitting guide marks), and finally, the rewinding mechanism rewinds the scored material into a regular roll.

[0003] Existing rewinding and scoring equipment for silicon steel faces multiple challenges in high-speed operation scenarios regarding equipment accuracy and coil processing stability. Among these challenges, the winding and unwinding operations, which directly handle the conveying and storage of the coil and need to adapt to the rhythm of the scoring process, become a high-problem area. This is especially true when the load is heavy (such as the initial winding and full winding stages of large-diameter silicon steel coils), where the speed and tension dynamic matching between the winding and unwinding devices are prone to deviation. Specifically, if the unwinding speed is too fast and the winding traction is insufficient, or if the winding speed increase lags behind the unwinding rhythm, the coil material is prone to breakage due to sudden pulling during subsequent winding after the tension relaxes momentarily. If the tension control system fails to respond to load changes in real time (such as inertial changes caused by increased coil diameter), an unstable state of tension will occur, leading to derivative problems such as coil wrinkles and misaligned scratches. In addition, the mismatch between speed and tension will also cause a decrease in the edge alignment accuracy of the coil material during winding, ultimately resulting in uneven winding. This not only affects the raw material retrieval in the next process, but may also increase the risk of equipment jamming due to loose coil material. Therefore, new technical solutions need to be designed to address these issues. Utility Model Content

[0004] The purpose of this invention is to provide a rewinding and scoring device to solve the above-mentioned problems. In the case of high-speed operation of silicon steel scoring devices, especially heavy-load winding and unwinding operations, the speed and tension of the winding and unwinding devices are dynamically matched, which can easily lead to problems such as broken coils, unstable tension, and uneven winding.

[0005] This utility model is achieved through the following technical solution: a rewinding and scoring device.

[0006] The device includes an unwinding mechanism, a main rotating shaft rotatably connected to one side of the unwinding mechanism, a tensioning plate disposed on the outer side of the main rotating shaft, a drive motor disposed on one side of the unwinding mechanism, a brake pad fixedly connected to the outer side of the main rotating shaft, a rotary joint disposed on one side of the unwinding mechanism, a first hydraulic cylinder fixedly connected to one end of the main rotating shaft, one end of the first hydraulic cylinder being fixedly connected to the rotary joint, a pneumatic brake disposed on one side of the unwinding mechanism, the pneumatic brake contacting the brake pad, and a transmission chain engaged at one end of the power output shaft of the drive motor, the transmission chain being engaged with the main rotating shaft.

[0007] Preferably, a buffer mechanism is provided on one side of the unwinding mechanism, a first feed inlet roller is rotatably connected to the inner side of the buffer mechanism, a first discharge outlet roller is rotatably connected to the inner side of the buffer mechanism, guide rails are screwed to both sides of the buffer mechanism, and movable rollers are rotatably connected to the inner side of the guide rails.

[0008] Preferably, a brake part is provided on one side of the buffer mechanism, two cylinders are fixedly connected to the top of the brake part, a brake body is fixedly connected to one side of the brake part, a driven roller is rotatably connected to the inner side of the brake part, and a brake roller is fixedly connected to one end of the power output shaft of the brake body, with the brake roller located below the driven roller.

[0009] Preferably, a winding end guide is provided on one side of the brake part, a second feed inlet roller is rotatably connected to the inner side of the winding end guide, a guide body is provided on the inner side of the winding end guide, and a second discharge outlet roller is rotatably connected to the inner side of the winding end guide.

[0010] Preferably, an operation screen is provided on one side of the unwinding end guide, and operation buttons are provided on one side of the operation screen, with the operation buttons evenly distributed in sequence. A touch frame is provided on one side of the operation screen, and a touch screen is embedded in the inner side of the touch frame.

[0011] Preferably, a laser marking section is provided on one side of the operation screen, a laser machine is provided on one side of the laser marking section, and a height adjustment bracket is provided on one side of the laser marking section, the height adjustment bracket being connected to the laser machine.

[0012] Preferably, one side of the laser marking section is provided with a winding end correction and tension detection device, the inner side of the winding end correction and tension detection device is rotatably connected to a third feed inlet roller, the inner side of the winding end correction and tension detection device is provided with an anti-deviation device, the inner side of the winding end correction and tension detection device is provided with a tension sensor, and the inner side of the winding end correction and tension detection device is provided with an output roller, which is located above the third feed inlet roller.

[0013] Preferably, a winding mechanism is provided on the side of the winding end for correction and tension detection. A main rotating rod is rotatably connected to one side of the winding mechanism. A tensioning plate and a brake disc are provided on the outer side of the main rotating rod. A rotating joint is provided on one side of the winding mechanism. A second hydraulic cylinder is fixedly connected to one end of the main rotating rod and is fixedly connected to the rotating joint. A clutch and a motor chain are provided on one side of the winding mechanism and are sleeved with the clutch. A drive motor is provided on one side of the winding mechanism. One end of the power output shaft of the drive motor is sleeved with the motor chain. A clutch chain is sleeved on one end of the power output shaft of the clutch and is sleeved with the main rotating rod.

[0014] This utility model provides a rewinding and scoring device, which has the following beneficial effects:

[0015] 1. This rewinding and marking equipment utilizes a tension control anti-breakage mechanism. A tension sensor monitors the coil tension in real time and feeds the data back to the control system. This, combined with the dynamic torque adjustment of the brake, and the automatic speed matching of the unloading speed via the up-and-down movement of the movable roller, forms a complete tension closed-loop control. This mechanism ensures that the tension remains uniform and constant throughout the winding process, eliminating the problem of coil breakage caused by tension fluctuations at its source. It reduces downtime, waste, and equipment impact losses due to breakage, significantly improving production continuity and stability. Simultaneously, it ensures uniform stress on the coil during marking, providing a stable material posture for laser marking and indirectly improving marking accuracy.

[0016] 2. This rewinding and scoring equipment employs a dual correction mechanism, consisting of a correction device at the unwinding end and an anti-deviation device at the rewinding end, forming a full-process position control system of "initial unwinding correction plus secondary correction before rewinding." The unwinding end correction device provides initial guidance to the roll material through an oscillation angle, preventing positional deviations during the unwinding stage from being transmitted to subsequent processes. The anti-deviation device at the rewinding end performs precise correction before the roll material enters the rewinding mechanism, coordinating with the rewinding mechanism's actions. This dual correction not only effectively eliminates width deviations caused by equipment vibration and speed changes during transport, ensuring neat edges and tight stacking of the rewound roll material, and resolving uneven roll heights, but also provides a stable material position reference for tension detection at the rewinding end, improving tension detection accuracy and further ensuring overall production quality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the unwinding mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the buffer mechanism structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the planar structure of the buffer mechanism of this utility model;

[0021] Figure 5 This is a schematic diagram of the brake component of this utility model;

[0022] Figure 6 This is a schematic diagram of the unwinding end correction device of this utility model;

[0023] Figure 7 This is a schematic diagram of the operation screen structure of this utility model;

[0024] Figure 8 This is a schematic diagram of the laser marking part of this utility model;

[0025] Figure 9 This is a schematic diagram of the winding end correction and tension detection structure of this utility model;

[0026] Figure 10 This is a schematic diagram of the winding mechanism of this utility model;

[0027] [Explanation of Key Component Symbols]

[0028] 1. Unwinding mechanism; 101. Main rotating shaft; 102. Tensioner plate; 103. Drive motor; 104. Brake pad;

[0029] 105. Rotary joint; 106. First hydraulic cylinder; 107. Pneumatic brake; 108. Drive chain;

[0030] 2. Buffer mechanism; 201. First inlet roller; 202. First outlet roller; 203. Guide rail; 204. Movable roller;

[0031] 3. Brake components; 301. Cylinder; 302. Brake body; 303. Driven roller; 304. Brake roller;

[0032] 4. Unwinding end guide roller; 401. Second feed inlet roller; 402. Guide roller body; 403. Second discharge outlet roller;

[0033] 5. Control panel; 501. Control buttons; 502. Touch panel; 503. Touch screen;

[0034] 6. Laser marking component; 601. Laser machine; 602. Height adjustment bracket;

[0035] 7. Winding end correction and tension detection; 701. Third feed inlet roller; 702. Anti-deviation device; 703. Tension sensor;

[0036] 704. Discharge roller;

[0037] 8. Winding mechanism; 801. Main rotating rod; 802. Tensioner plate; 803. Brake disc; 804. Rotary joint;

[0038] 805. Second hydraulic cylinder; 806. Clutch; 807. Motor chain; 808. Drive motor; 809. Clutch chain. Detailed Implementation

[0039] This utility model embodiment provides a rewinding and scoring device.

[0040] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 The unwinding mechanism includes an unwinding mechanism 1, a main rotating shaft 101 rotatably connected to one side of the unwinding mechanism 1, a tensioning plate 102 provided on the outer side of the main rotating shaft 101, a drive motor 103 provided on one side of the unwinding mechanism 1, a brake pad 104 fixedly connected to the outer side of the main rotating shaft 101, a rotary joint 105 provided on one side of the unwinding mechanism 1, a first hydraulic cylinder 106 fixedly connected to one end of the main rotating shaft 101, one end of the first hydraulic cylinder 106 fixedly connected to the rotary joint 105, a pneumatic brake 107 provided on one side of the unwinding mechanism 1, the pneumatic brake 107 contacting the brake pad 104, and a transmission chain 108 snapped onto one end of the power output shaft of the drive motor 103, the transmission chain 108 snapping onto the main rotating shaft 101.

[0041] Please refer to it again. Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 10A buffer mechanism 2 is provided on one side of the unwinding mechanism 1. A first feed inlet roller 201 is rotatably connected to the inner side of the buffer mechanism 2, and a first discharge outlet roller 202 is rotatably connected to the inner side of the buffer mechanism 2. Guide rails 203 are screwed to both sides of the buffer mechanism 2, and movable rollers 204 are rotatably connected to the inner side of the guide rails 203. A brake part 3 is provided on one side of the buffer mechanism 2. Two cylinders 301 are fixedly connected to the top of the brake part 3. A brake body 302 is fixedly connected to one side of the brake part 3. A driven roller 303 is rotatably connected to the inner side of the brake part 3. A brake roller 304 is fixedly connected to one end of the power output shaft of the brake body 302. The brake roller 304 is located below the driven roller 303. A brake part 3 is provided on one side of the brake part 3. The device includes an unwinding end guide roller 4, with a second feed inlet roller 401 rotatably connected to the inner side of the unwinding end guide roller 4. A guide roller body 402 is located inside the unwinding end guide roller 4, and a second discharge outlet roller 403 is rotatably connected to the inner side of the unwinding end guide roller 4. An operation screen 5 is located on one side of the unwinding end guide roller 4, with operation buttons 501 evenly distributed on one side. A touch screen frame 502 is located on one side of the operation screen 5, with a touch screen 503 embedded inside the inner side of the touch screen frame 502. A laser marking section 6 is located on one side of the operation screen 5, with a laser machine 601 on one side of the laser marking section 6. A height adjustment bracket 602 is located on one side of the laser marking section 6, and the height adjustment bracket 602 is connected to the laser machine 601.

[0042] Preparations before equipment startup; Unwinding end fixing: Fix one end of the thin steel strip to the matching steel ring, and put the steel ring around the outside of the ring formed by the tension plate 102 of the unwinding mechanism 1. The first hydraulic cylinder 106 is activated, its piston rod extends and pushes the tension plate 102 outward until the steel ring is firmly fixed; the first hydraulic cylinder 106 obtains stable hydraulic power through the rotary joint 105 to ensure reliable fixing. The winding end is fixed by pulling the thin steel strip out from the unwinding mechanism 1 and passing it in sequence through the first feed inlet roller 201, the movable roller 204, the first discharge outlet roller 202 of the buffer mechanism 2, between the brake roller 304 and the driven roller 303 of the brake part 3, the second feed inlet roller 401, the guide body 402, and the second discharge outlet roller 403 of the unwinding end guide device 4, and the third feed inlet roller 701, the anti-deviation device 702, the tension sensor 703, and the discharge roller 704 of the winding end guide and tension detection 7, finally fixing the end of the steel strip to the winding side steel ring. The steel ring is placed on the outside of the tension plate 802 of the winding mechanism 8. The second hydraulic cylinder 805 is activated, and the piston rod extends to push the tension plate 802 open, thus fixing the steel ring at the winding end. The second hydraulic cylinder 805 keeps the oil circuit unobstructed through the rotary joint 804 to ensure stable fixing. Parameter settings: The equipment is started through the operation button 501 and touch screen 503 on the operation screen 5. Laser marking parameters (such as marking depth, spacing), tension threshold, winding and unwinding speed, etc. are set. The height adjustment bracket 602 of the laser marking part 6 is adjusted so that the focal length of the laser machine 601 is within a reasonable range to ensure the clarity of the marking.

[0043] Please refer to it again. Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 8 , Figure 9 and Figure 10One side of the laser marking section 6 is equipped with a winding end correction and tension detection 7. A third feed inlet roller 701 is rotatably connected to the inner side of the winding end correction and tension detection 7. An anti-deviation device 702 and a tension sensor 703 are both located inside the winding end correction and tension detection 7. An output roller 704 is also located inside the winding end correction and tension detection 7, positioned above the third feed inlet roller 701. A winding mechanism 8 is located on one side of the winding end correction and tension detection 7. A main rotating rod 801 is rotatably connected to one side of the winding mechanism 8. A tensioning plate 802 is located on the outer side of the main rotating rod 801. A brake disc 803 is provided on the outside of the main rotating rod 801. A rotary joint 804 is provided on one side of the winding mechanism 8. A second hydraulic cylinder 805 is fixedly connected to one end of the main rotating rod 801. The second hydraulic cylinder 805 is fixedly connected to the rotary joint 804. A clutch 806 is provided on one side of the winding mechanism 8. A motor chain 807 is provided on one side of the winding mechanism 8. The motor chain 807 is sleeved with the clutch 806. A drive motor 808 is provided on one side of the winding mechanism 8. One end of the power output shaft of the drive motor 808 is sleeved with the motor chain 807. A clutch chain 809 is sleeved on one end of the power output shaft of the clutch 806. The clutch chain 809 is sleeved with the main rotating rod 801.

[0044] Operational process; Unwinding and conveying: The drive motor 103 of the unwinding mechanism 1 drives the main rotating shaft 101 to rotate via the transmission chain 108. The tensioning plate 102 rotates synchronously with the main rotating shaft 101, and the thin steel strip is continuously released. During the release process, the pneumatic brake 107 can generate friction by contacting the brake pad 104 to assist in controlling the unwinding speed and avoid a sudden drop in tension due to excessive unwinding speed; Buffer speed adjustment: After the thin steel strip enters the buffer mechanism 2, the movable roller 204 achieves dynamic speed adjustment by floating up and down through the guide rail 203: When the unwinding speed is too low, the movable roller 204 floats to the upper end of the guide rail 203, and the system automatically increases the speed of the unwinding motor; When the unwinding speed is too high, the movable roller 204 sinks to the lower end of the guide rail 203, and the system reduces the unwinding speed to ensure continuous and uniform steel strip conveying; Preliminary tension adjustment: The steel strip enters In brake section 3, cylinder 301 drives driven roller 303 to press down, making the steel belt tightly fit against brake roller 304; brake body 302 applies resistance to brake roller 304 by outputting stable torque, initially adjusting steel belt tension and avoiding excessive tension fluctuations; unwinding end correction: after the steel belt enters the unwinding end correction device 4, it is guided to the correction device body 402 through the second feed inlet roller 401. The correction device body 402 detects the edge position of the steel belt and corrects the width direction deviation in real time by swinging the angle, and then discharges it through the second discharge outlet roller 403 to ensure the stability of the steel belt conveying path; excitation Laser marking: After initial correction, the steel strip passes through the support plate below the laser machine 601. The laser machine 601 performs marking operations on the surface of the steel strip according to preset parameters. The height adjustment bracket 602 ensures that the focal length is stable during the marking process and that the marking accuracy meets the requirements. Secondary correction and tension closed-loop control at the winding end: The marked steel strip enters the winding end correction and tension detection 7. It is first guided by the third feed roller 701 to the anti-deviation device 702. The anti-deviation device 702 performs secondary correction on the steel strip by swinging the angle to eliminate new deviations generated during the conveying process. The corrected steel strip passes through the tension sensor 703, which senses... The device monitors tension data in real time and feeds it back to the control system: if the tension is lower than the set threshold, the control system instructs the brake body 302 to increase the torque, thereby increasing the resistance and raising the tension through the brake roller 304; if the tension is higher than the threshold, the torque is reduced to lower the tension, forming a closed-loop control to ensure constant tension; winding operation: the drive motor 808 of the winding mechanism 8 drives the clutch 806 to rotate through the motor chain 807, and the clutch 806 drives the main rotating rod 801 to rotate through the clutch chain 809. The tensioning plate 802 rotates synchronously with the main rotating rod 801, winding the steel strip layer by layer onto the steel ring. During the winding process, the tensioning plate 802 always remains open to ensure that the coil is tight and not loose.

[0045] Work completion and shutdown: When the winding length reaches the set value, the system issues a shutdown command: the drive motor 808 stops running, the clutch 806 enters deceleration mode, the brake disc 803 starts and contacts the braking components to generate friction, causing the main rotating rod 801 to gradually decelerate to a stop; at the same time, the drive motor 103 of the unwinding mechanism 1 stops, and the pneumatic brake 107 contacts the brake pad 104 to brake the unwinding end. After the equipment comes to a complete stop, the first hydraulic cylinder 106 and the second hydraulic cylinder 805 are retracted, the tension plate 102 and the support plate 802 are reset, the wound steel coil and the remaining steel ring at the unwinding end are removed, completing one work cycle.

[0046] Working principle: The tension control anti-breakage mechanism is composed of a tension sensor 703, a brake part 3, a buffer mechanism 2, and a control system. During operation, the tension sensor 703 of the winding end correction and tension detection 7 detects the tension of the thin steel strip in real time and feeds back the data to the control system. The control system adjusts the brake part 3 according to the preset threshold: when the tension is too high, the brake body 302 reduces the torque; when the tension is too low, the brake body 302 increases the torque. At the same time, the movable roller 204 of the buffer mechanism 2 floats up and down along the guide rail 203 to assist in speed adjustment. When the unwinding speed is too low, it floats up to trigger the unwinding mechanism 1 to speed up; when it is too high, it floats down to trigger deceleration. Through the closed-loop control of "detection, adjustment, and buffering", the tension is kept constant, fundamentally eliminating the risk of material breakage. The dual correction mechanism consists of the unwinding end correction device 4 and the winding end anti-deviation device 702, forming a two-level position correction system. During the unwinding stage, the thin steel strip is guided by the second inlet roller (401) of the unwinding end guide roller 4 to the guide roller body (402). The guide roller body (402) detects the edge position of the steel strip and corrects the initial offset in the width direction in real time by swinging the angle. Then, it is discharged through the second outlet roller (403). Before winding, the steel strip enters the winding end guide roller and tension detector (7). The anti-offset device (702) performs secondary correction on any new offset generated during the conveying process to ensure that the steel strip enters the winding mechanism (8) with a precise posture. This dual correction not only ensures that the coil is neat after winding but also provides a stable detection benchmark for the tension sensor (703), improving the tension control accuracy.

[0047] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A rewinding and scoring device, comprising an unwinding mechanism (1), characterized in that: The unwinding mechanism (1) is rotatably connected to a main rotating shaft (101) on one side, and a tensioning plate (102) is provided on the outer side of the main rotating shaft (101). A drive motor (103) is provided on one side of the unwinding mechanism (1), and a brake pad (104) is fixedly connected to the outer side of the main rotating shaft (101). A rotary joint (105) is provided on one side of the unwinding mechanism (1), and a first hydraulic cylinder (106) is fixedly connected to one end of the main rotating shaft (101). One end of the first hydraulic cylinder (106) is fixedly connected to the rotary joint (105). A pneumatic brake (107) is provided on one side of the unwinding mechanism (1). The pneumatic brake (107) is in contact with the brake pad (104). A transmission chain (108) is snapped onto one end of the power output shaft of the drive motor (103). The transmission chain (108) is snapped onto the main rotating shaft (101).

2. The rewinding and scoring device according to claim 1, characterized in that: A buffer mechanism (2) is provided on one side of the unwinding mechanism (1). A first feed inlet roller (201) is rotatably connected to the inner side of the buffer mechanism (2). A first discharge outlet roller (202) is rotatably connected to the inner side of the buffer mechanism (2). Guide rails (203) are screwed to both sides of the buffer mechanism (2). A movable roller (204) is rotatably connected to the inner side of the guide rails (203).

3. The rewinding and scoring device according to claim 2, characterized in that: A brake part (3) is provided on one side of the buffer mechanism (2). Two cylinders (301) are fixedly connected to the top of the brake part (3). A brake body (302) is fixedly connected to one side of the brake part (3). A driven roller (303) is rotatably connected to the inner side of the brake part (3). A brake roller (304) is fixedly connected to one end of the power output shaft of the brake body (302). The brake roller (304) is located below the driven roller (303).

4. The rewinding and scoring device according to claim 3, characterized in that: A winding end guide (4) is provided on one side of the brake part (3). A second feed inlet roller (401) is rotatably connected to the inner side of the winding end guide (4). A guide body (402) is provided on the inner side of the winding end guide (4). A second discharge outlet roller (403) is rotatably connected to the inner side of the winding end guide (4).

5. The rewinding and scoring device according to claim 4, characterized in that: An operation screen (5) is provided on one side of the unwinding end guide (4), and an operation button (501) is provided on one side of the operation screen (5), and the operation buttons (501) are evenly distributed in sequence. A touch frame (502) is provided on one side of the operation screen (5), and a touch screen (503) is embedded in the inner side of the touch frame (502).

6. The rewinding and scoring device according to claim 5, characterized in that: A laser marking section (6) is provided on one side of the operation screen (5), a laser machine (601) is provided on one side of the laser marking section (6), and a height adjustment bracket (602) is provided on one side of the laser marking section (6), and the height adjustment bracket (602) is connected to the laser machine (601).

7. The rewinding and scoring device according to claim 6, characterized in that: One side of the laser marking part (6) is provided with a winding end correction and tension detection (7). The inner side of the winding end correction and tension detection (7) is rotatably connected to a third feed inlet roller (701). The inner side of the winding end correction and tension detection (7) is provided with an anti-deviation device (702). The inner side of the winding end correction and tension detection (7) is provided with a tension sensor (703). The inner side of the winding end correction and tension detection (7) is provided with a discharge roller (704). The discharge roller (704) is located above the third feed inlet roller (701).

8. The rewinding and scoring device according to claim 7, characterized in that: A winding mechanism (8) is provided on one side of the winding end correction and tension detection (7). A main rotating rod (801) is rotatably connected to one side of the winding mechanism (8). A tensioning plate (802) is provided on the outer side of the main rotating rod (801). A brake disc (803) is provided on the outer side of the main rotating rod (801). A rotating joint (804) is provided on one side of the winding mechanism (8). A second hydraulic cylinder (805) is fixedly connected to one end of the main rotating rod (801). The second hydraulic cylinder (805) is fixedly connected to the rotating joint (804). A clutch (806) is provided on one side of the winding mechanism (8), and a motor chain (807) is provided on one side of the winding mechanism (8). The motor chain (807) is sleeved with the clutch (806). A drive motor (808) is provided on one side of the winding mechanism (8). One end of the power output shaft of the drive motor (808) is sleeved with the motor chain (807). One end of the power output shaft of the clutch (806) is sleeved with a clutch chain (809). The clutch chain (809) is sleeved with the main rotating rod (801).

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