Deviation rectifying device of large paper roll winding and unwinding machine
By introducing a bias correction device on a large paper roll reel and unwinding machine, the motor drives the tooth plate and gear to drive the bias correction plate to slide, the deviation problem of the paper roll during high-speed operation is solved, ensuring the paper roll alignment, and improving production quality and efficiency.
Patent Information
- Application Number
- CN202422589683.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-25
AI Technical Summary
Traditional large paper roll reeling machines are difficult to respond quickly to paper roll offsets when operating at high speed, which affects product quality and production efficiency.
The deviation correction device is adopted that includes a fixed frame, a motor, a rotating seat, a winding roller, a bias correction plate and a guide assembly. The tooth plate and a gear drive the deviation correction plate to slide through the cylinder, cooperate with the guide assembly and the limiting ring to prevent the paper roll from being deflected, and prevent paper wrinkles through the spring push rod and the sliding seat.
The paper rolls are always aligned during the roll collection and unwinding process, reducing quality problems caused by offset, improving the flatness and production efficiency of the paper rolls, and reducing the defective rate.
Smart Images
Figure CN223188575U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of winders and unwinders, in particular to a deviation-correcting device for a large-scale paper roll winder and unwinder. Background Art
[0002] Large paper roll winders and unwinders are used to efficiently wind and unwind wide, long paper rolls during production, and are widely used in industries such as papermaking, printing, packaging, and textiles. Due to the large size and weight of the paper rolls, they can easily shift due to uneven tension, mechanical errors, or material properties, impacting product quality and production efficiency. Therefore, a web-correcting device is essential. It monitors and adjusts the position of the paper roll in real time, ensuring it remains aligned during the winding process. This prevents wrinkles, uneven edges, and material waste caused by deviation, thereby improving overall production quality and efficiency.
[0003] Traditional large-scale paper roll unwinders primarily involve two processes: unwinding and rewinding. During unwinding, the paper roll is guided into the production line by a guide roller system, maintaining appropriate tension and speed to ensure smooth unwinding. During rewinding, the paper roll is wound back onto the reel from the production line, and a tension control device maintains tightness and flatness. Operators adjust the equipment's speed, tension, and guides to prevent the paper from straying, wrinkling, or loosening, ensuring that the paper roll is evenly and tightly wound or unwound throughout the entire process.
[0004] Traditional large-scale paper roll unwinders usually rely on manual adjustment of the paper roll position, which is not only inefficient but also difficult to ensure accuracy. This causes the paper roll to easily deviate, especially at high speeds, making it difficult to respond quickly, affecting product quality and production efficiency. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a large paper roll winding and unwinding machine correction device, which aims to improve the problem that paper rolls are prone to deviation when used in traditional large paper roll winding and unwinding machines, especially when running at high speeds, which makes it difficult to respond quickly and affects product quality and production efficiency.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a deviation-correcting device for a large-scale paper roll rewinding and unwinding machine, comprising a fixed frame, an outer wall of the fixed frame is fixedly connected to a fixed support, an outer wall of the fixed support is fixedly connected to a motor, an output end of the motor is fixedly connected to a rotating seat, a winding roller is attached to one side of the rotating seat, a deviation-correcting plate is slidably connected to the outer wall of the winding roller, a guide assembly is provided on one side of the outer wall of the deviation-correcting plate, the guide assembly is used to guide the movement of the deviation-correcting plate, a driving assembly is provided inside the fixed frame, and the driving assembly is used to drive the deviation-correcting plate to slide on the outer wall of the winding roller;
[0007] The driving assembly includes a cylinder, the outer wall of the cylinder is fixedly connected to the inside of the fixed frame, the output end of the cylinder is fixedly connected to a toothed plate, the inside of the fixed frame is rotatably connected to a gear, the toothed plate is engaged with the gear, one end of the toothed plate is fixedly connected to a connecting frame, and the upper surface of the connecting frame is fixedly connected to the bottom of the correcting plate.
[0008] Furthermore, the guide assembly includes a slider, the upper surface of which is fixedly connected to one side of the outer wall of the correction plate, and the interior of the slider is slidably connected to a guide rail.
[0009] Furthermore, a downward pressing assembly is provided on the top of the fixed frame, and the downward pressing assembly is used to press the paper downward to limit the position. The outer walls of the rotating seat and the winding roller are fixedly connected to the limiting ring, and both ends of the winding roller are fixedly connected to the limiting block. The outer wall of the rotating seat is fixedly connected to the fixed half ring, and the outer wall of the fixed half ring is fitted with a movable half ring. The two ends of the movable half ring are rotatably connected to a screw rod, and the outer wall of the screw rod is threaded with a nut.
[0010] Furthermore, the pressing assembly includes a spring push rod, the outer wall of which is fixedly connected to the top of the fixed frame, the output end of the spring push rod is fixedly connected to a sliding seat, and the interior of the sliding seat is rotatably connected to a limiting pressure roller.
[0011] Furthermore, the outer wall of the tooth plate is slidably connected to the interior of the fixed frame, and the tooth plate is used to drive the connecting frame to move.
[0012] Furthermore, the outer wall of the guide rail is fixedly connected to the outer wall of the fixed frame, and the guide rail is used to guide the movement of the correction plate.
[0013] Furthermore, the outer wall of the sliding seat is slidably connected to the inner wall of the fixed frame, and the sliding seat is used to drive the limiting pressure roller to move.
[0014] Furthermore, both ends of the winding roller are arranged between the fixed half ring and the movable half ring, and the fixed half ring and the movable half ring are used to fix the winding roller.
[0015] The utility model has the following beneficial effects:
[0016] 1. In the utility model, the motor is first started to cooperate with the fixed support, the rotating seat and the winding roller to realize paper winding, and then the cylinder is driven to drive the tooth plate to move, and then the gear and the connecting frame are cooperated to drive the correction plate to slide on the outer wall of the winding roller, so that the correction plate moves to both sides of the paper to limit the paper and correct the deviation. In this process, the correction plate is guided by the slider and the guide rail to stabilize the movement of the correction plate, which solves the problem that the paper roll is prone to deviation, especially when running at high speed, it is difficult to respond to the correction quickly, affecting product quality and production efficiency, and can effectively ensure that the paper roll always remains aligned during the winding and unwinding process, reduce quality problems caused by offset, help improve the overall flatness of the paper roll, reduce the defective rate, and ensure that the product meets strict quality requirements.
[0017] 2. In the present invention, first, the spring push rod cooperates with the sliding seat to drive the limiting pressure roller to press down the paper to prevent wrinkles, and then the driving nut cooperates with the screw rod to fix and release the fixed half ring and the movable half ring, thereby realizing the disassembly and assembly of the winding roller. In this process, the winding roller is limited by the limiting ring and the limiting block to prevent the winding roller from slipping, thereby pressing down the paper, which can effectively prevent the loosening phenomenon during the winding process. At the same time, the winding rollers can be quickly disassembled and assembled, which can greatly improve the operating efficiency and maintenance convenience of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the deviation-correcting device for a large-scale paper roll rewinding and unwinding machine proposed by the present invention;
[0019] Figure 2 This is a schematic structural diagram of one side of the winding roller of the deviation correction device of the large paper roll winding and unwinding machine proposed by the present invention;
[0020] Figure 3 This is a structural diagram of one side of the fixed frame of the deviation-correcting device of the large-scale paper roll rewinding and unwinding machine proposed by the present invention;
[0021] Figure 4 This is a structural schematic diagram of one side of the rotating seat of the deviation correction device of the large paper roll winding and unwinding machine proposed by the utility model.
[0022] Legend:
[0023] 1. Fixed frame; 2. Fixed support; 3. Motor; 4. Rotating seat; 5. Winding roller; 6. Cylinder; 7. Tooth plate; 8. Gear; 9. Connecting frame; 10. Correction plate; 11. Slider; 12. Guide rail; 13. Spring push rod; 14. Sliding seat; 15. Limiting roller; 16. Fixed half ring; 17. Movable half ring; 18. Screw; 19. Nut; 20. Limiting ring; 21. Limiting block. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] Reference Figure 1 - Figure 2 The utility model provides an embodiment: a deviation correction device for a large paper roll winding and unwinding machine, comprising a fixed frame 1, an outer wall of the fixed frame 1 is fixedly connected to a fixed support 2, an outer wall of the fixed support 2 is fixedly connected to a motor 3, an output end of the motor 3 is fixedly connected to a rotating seat 4, a winding roller 5 is attached to one side of the rotating seat 4, and a deviation correction plate 10 is slidably connected to the outer wall of the winding roller 5, and the driving motor 3 drives the rotating seat 4 and the winding roller 5 to rotate, thereby winding the paper. In this process, the deviation of the paper is corrected by the deviation correction plate 10, and a guide component is provided on one side of the outer wall of the deviation correction plate 10, which is used to guide the movement of the deviation correction plate 10, and a driving component is provided inside the fixed frame 1. The driving component is used to drive the deviation correction plate 10 to slide on the outer wall of the winding roller 5;
[0026] The driving assembly includes a cylinder 6, the outer wall of the cylinder 6 is fixedly connected to the inside of the fixed frame 1, the output end of the cylinder 6 is fixedly connected to a gear plate 7, the internal rotation of the fixed frame 1 is connected to a gear 8, the gear plate 7 is meshed with the gear 8, one end of the gear plate 7 is fixedly connected to a connecting frame 9, the upper surface of the connecting frame 9 is fixedly connected to the bottom of the correcting plate 10, the driving cylinder 6 drives the gear plate 7 on one side to move, and cooperates with the meshing of the gear plate 7 and the gear 8 to make the gear 8 rotate with the movement of the gear plate 7, and then drives the gear plate 7 on the other side to move through the gear 8, so that the gear plates 7 on both sides drive the connecting frame 9 and the correcting plate 10 to move synchronously relative to each other, thereby correcting the deflection of paper of different sizes respectively. The guiding assembly includes a slider 11, the upper surface of the slider 11 is fixedly connected to one side of the outer wall of the correcting plate 10, and the internal sliding connection of the slider 11 is connected to a guide rail 12, and the movement of the correcting plate 10 drives the slider 11 to slide on the outer wall of the guide rail 12, so that the correcting plate 10 is guided by the slider 11, so that the movement of the correcting plate 10 is more stable;
[0027] Reference Figure 1 、 Figure 3 and Figure 4The top of the fixed frame 1 is provided with a pressing component, which is used to press the paper downward and limit the paper. The outer walls of the rotating seat 4 and the winding roller 5 are fixedly connected to the limiting ring 20, and the two ends of the winding roller 5 are fixedly connected to the limiting blocks 21. The limiting ring 20 and the limiting blocks 21 are used to limit and position the winding roller 5 to prevent slipping between the fixed half ring 16 and the movable half ring 17 when the winding roller 5 rotates. The outer wall of the rotating seat 4 is fixedly connected to the fixed half ring 16, and the outer wall of the fixed half ring 16 is fitted with the movable half ring 17. Both ends of the movable half ring 17 are rotatably connected to the screw rod 18, and the outer wall of the screw rod 18 is threadedly connected to the nut 19. The driving nut 19 slides on the outer wall of the screw rod 18, thereby fixing and releasing the fixed half ring 16 and the movable half ring 17, and then removing the movable half ring 17 respectively. Finally, the winding roller 5 and the outer wallpaper of the winding roller 5 are disassembled and assembled by the movement of the movable half ring 17. The pressing component includes a spring push rod 1 3. The outer wall of the spring push rod 13 is fixedly connected to the top of the fixed frame 1, and the output end of the spring push rod 13 is fixedly connected to the sliding seat 14. The internal rotation of the sliding seat 14 is connected to the limited pressure roller 15, and the sliding seat 14 is pushed by the spring inside the spring push rod 13 to slide inside the fixed frame 1, thereby driving the limited pressure roller 15 to move to the outer wall of the paper through the sliding seat 14 to press the paper down to prevent wrinkles when the paper is rolled up. The outer wall of the tooth plate 7 is slidably connected to the inside of the fixed frame 1, and the tooth plate 7 is used to drive the connecting frame 9 to move. The outer wall of the guide rail 12 is fixedly connected to the outer wall of the fixed frame 1, and the guide rail 12 is used to guide the movement of the correcting plate 10. The outer wall of the sliding seat 14 is slidably connected to the inner wall of the fixed frame 1, and the sliding seat 14 is used to drive the limited pressure roller 15 to move. Both ends of the winding roller 5 are arranged between the fixed semi-ring 16 and the movable semi-ring 17, and the fixed semi-ring 16 and the movable semi-ring 17 are used to fix the winding roller 5;
[0028] Working principle: When the correction device of a large paper roll rewinder is needed, first fix one end of the paper on the outer wall of the rewinding roller 5, and then drive the motor 3 to drive the rotating seat 4 and the rewinding roller 5 to rotate, so as to rewind the paper. In this process, the cylinder 6 is driven to drive the tooth plate 7 on one side to move, thereby driving the gear 8 to rotate, and then the gear 8 drives the tooth plate 7 on the other side to move synchronously relative to each other, and then the movement of the tooth plate 7 drives the connecting frame 9 and the correction plate 10 to move synchronously relative to each other, and then drives the correction plate 10 to slide on the outer wall of the rewinding roller 5, so that the correction plate 10 moves to the two ends of the paper, limits the rewinding of the paper, and achieves the correction effect. In this process, the movement of the correction plate 10 can drive the slider 11 to slide on the outer wall of the guide rail 12, thereby guiding the movement of the correction plate 10;
[0029] In addition, the spring push rod 13 pushes the sliding seat 14 to slide on the inner wall of the fixed frame 1, thereby pushing the limiting pressure roller 15 to move to the outer wall of the paper, and then pressing down the paper being rolled up, increasing its tension and preventing paper wrinkles. After the rolling is completed, the driving nut 19 slides on the outer wall of the screw rod 18, so that the fixed half ring 16 and the movable half ring 17 are no longer fixed, resulting in looseness. Then the movable half ring 17 can be removed. At this time, the winding roller 5 is no longer restricted, which facilitates disassembly. During installation, first place the two ends of the winding roller 5 on the inner walls of the fixed half ring 16 on both sides, and at the same time, place the limiting ring 20 and the limiting block 21 in the preset grooves inside the fixed half ring 16 to prevent the winding roller 5 from slipping when rotating.
[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A deviation-correcting device for a large paper roll rewinder and unwinder, comprising a fixed frame (1), characterized in that: The outer wall of the fixed frame (1) is fixedly connected to a fixed support (2), the outer wall of the fixed support (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a rotating seat (4), a winding roller (5) is attached to one side of the rotating seat (4), the outer wall of the winding roller (5) is slidably connected to a correction plate (10), a guide component is provided on one side of the outer wall of the correction plate (10), the guide component is used to guide the movement of the correction plate (10), and a driving component is provided inside the fixed frame (1), the driving component is used to drive the correction plate (10) to slide on the outer wall of the winding roller (5); The driving assembly comprises a cylinder (6), the outer wall of the cylinder (6) is fixedly connected to the interior of the fixed frame (1), the output end of the cylinder (6) is fixedly connected to a toothed plate (7), the interior of the fixed frame (1) is rotatably connected to a gear (8), the toothed plate (7) is meshed with the gear (8), one end of the toothed plate (7) is fixedly connected to a connecting frame (9), and the upper surface of the connecting frame (9) is fixedly connected to the bottom of the deviation-correcting plate (10).
2. The deviation-correcting device for a large paper roll unwinder according to claim 1, characterized in that: The guide assembly comprises a slider (11), the upper surface of the slider (11) is fixedly connected to one side of the outer wall of the deviation-correcting plate (10), and the interior of the slider (11) is slidably connected to a guide rail (12).
3. The deviation-correcting device for a large paper roll unwinder according to claim 1, characterized in that: A downward pressing assembly is provided on the top of the fixed frame (1), and the downward pressing assembly is used to limit the downward pressing of the paper. The outer walls of the rotating seat (4) and the winding roller (5) are fixedly connected to the limiting ring (20), and both ends of the winding roller (5) are fixedly connected to the limiting block (21). The outer wall of the rotating seat (4) is fixedly connected to the fixed half ring (16), and the outer wall of the fixed half ring (16) is fitted with a movable half ring (17). Both ends of the movable half ring (17) are rotatably connected to a screw rod (18), and the outer wall of the screw rod (18) is threadedly connected to a nut (19).
4. The deviation-correcting device for a large paper roll unwinder according to claim 3, characterized in that: The pressing assembly comprises a spring push rod (13), the outer wall of which is fixedly connected to the top of the fixed frame (1), the output end of the spring push rod (13) is fixedly connected to a sliding seat (14), and the interior of the sliding seat (14) is rotatably connected to a limiting pressure roller (15).
5. The deviation-correcting device for a large paper roll unwinder according to claim 1, characterized in that: The outer wall of the tooth plate (7) is slidably connected to the interior of the fixed frame (1), and the tooth plate (7) is used to drive the connecting frame (9) to move.
6. The deviation-correcting device for a large paper roll unwinder according to claim 2, characterized in that: The outer wall of the guide rail (12) is fixedly connected to the outer wall of the fixed frame (1), and the guide rail (12) is used to guide the movement of the deviation-correcting plate (10).
7. The deviation-correcting device for a large paper roll unwinder according to claim 4, characterized in that: The outer wall of the sliding seat (14) is slidably connected to the inner wall of the fixed frame (1), and the sliding seat (14) is used to drive the limiting pressure roller (15) to move.
8. The deviation-correcting device for a large paper roll unwinder according to claim 3, characterized in that: Both ends of the winding roller (5) are arranged between the fixed half ring (16) and the movable half ring (17), and the fixed half ring (16) and the movable half ring (17) are used to fix the winding roller (5).