A papermaking machine with adjustable paper web tension

Abstract

This utility model discloses a papermaking machine with adjustable paper roll tension, including a processing table. A groove is formed in the middle of the upper outer surface of the processing table, and a lifting platform is slidably disposed in the groove. A lifting structure connects the lifting platform and the processing table. The lifting structure includes a transmission box, a ball screw, a motor, a guide rail, a slide groove, a mounting groove, a worm gear, a ball nut, a support cylinder, a guide rod, a limiting groove, a limiting block, a guide ring, and a worm. This papermaking machine with adjustable paper roll tension, through its lifting structure, facilitates the adjustment of the height of the tension roller, thereby adjusting the tension during paper roll conveying. The guide rail, slide groove, guide rod, and guide ring improve the stability of the tension roller during lifting.

Description

Technical Field

[0001] This utility model relates to the field of paper roll production technology, specifically to a papermaking machine with adjustable paper roll tension. Background Technology

[0002] In the production of paper rolls, tension control is one of the key factors in ensuring product quality and production efficiency.

[0003] Existing papermaking machinery typically employs a fixed tension design or simple mechanical adjustment method during the roll feeding process, which has the following drawbacks:

[0004] 1. Inconvenient tension adjustment: Traditional machinery mostly uses manual adjustment, which is cumbersome and lacks precision, making it difficult to achieve fast and accurate tension adjustment;

[0005] 2. The tension adjustment efficiency is low. Traditional machinery mostly uses manual adjustment, which takes a long time and reduces production efficiency.

[0006] Therefore, we propose a papermaking machine with adjustable paper roll tension. Utility Model Content

[0007] (a) Technical problems to be solved

[0008] To address the shortcomings of existing technologies, this utility model provides a papermaking machine with adjustable paper roll tension, which offers advantages such as easy adjustment of paper roll tension and stable adjustment process, effectively solving the problems in the background technology.

[0009] (II) Technical Solution

[0010] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a papermaking machine with adjustable paper winding tension, comprising a processing table, a groove formed in the middle of the upper outer surface of the processing table, a lifting platform slidably disposed in the groove, a lifting structure connected between the lifting platform and the processing table, the lifting structure comprising a transmission box, a ball screw, a motor, a guide rail, a slide groove, a mounting groove, a worm gear, a ball nut, a support cylinder, a guide rod, a limiting groove, a limiting block, a guide ring, and a worm gear, and limiting rollers are provided on the left and right sides of the upper end of the processing table, and a first connecting shaft is fixedly installed on the outer surface of both ends of the limiting rollers, the end of the first connecting shaft away from the limiting roller is connected to a first support frame. The lower outer surface of the first support frame is fixedly connected to the upper outer surface of the processing table. A bearing is provided between the first connecting shaft and the first support frame. The first connecting shaft is rotatably connected to the first support frame through the bearing. Tension sensors are fixedly installed at both ends of the upper outer surface of the lifting platform. A second support frame is fixedly installed at the upper end of the tension sensor. A tension roller is provided above the lifting platform. A second connecting shaft is fixedly installed on the outer surfaces of both ends of the tension roller. The second connecting shaft is connected to the upper part of one side of the outer surface of the second support frame. A bearing is provided between the second connecting shaft and the second support frame. The second connecting shaft is rotatably connected to the second support frame through the bearing.

[0011] Preferably, the transmission box is fixed in the middle of the upper outer surface of the lifting platform, the worm and the ball screw are both located inside the transmission box, the motor is fixedly installed on one side of the front outer surface of the transmission box, the worm wheel is fixed on the outer wall of the upper part of the ball screw, and the worm is located on one side of the outer surface of the worm wheel.

[0012] Preferably, one outer surface of the worm meshes with one outer surface of the worm wheel, a bearing is provided between the worm, the ball screw and the transmission box, the worm and the ball screw are rotatably connected to the transmission box through the bearing, a coupling is provided between the worm and the motor, and one outer surface of the worm is fixedly connected to one outer surface of the output shaft of the motor through the coupling.

[0013] Preferably, the mounting groove is located in the middle of the lower outer surface of the lifting platform, the lower part of the ball screw extends into the mounting groove, the ball screw passes through the ball nut, the ball nut is fixed to the upper outer surface of the support cylinder, and the lower outer surface of the support cylinder is fixedly connected to the middle of the lower end of the groove.

[0014] Preferably, the ball nut and the outer wall of the ball screw are connected by rolling friction, the outer wall of the ball nut and the support cylinder are connected by sliding connection, a bearing is provided between the ball screw and the lifting platform, and the ball screw is rotatably connected to the lifting platform through the bearing.

[0015] Preferably, the limiting groove is formed on the left and right sides of the lower outer surface of the lifting platform, the guide ring is fixedly installed at the lower end of the limiting groove, the guide rod passes through the guide ring, the limiting block is located in the limiting groove, and the upper outer surface of the guide rod is fixedly connected to the lower outer surface of the limiting block. The outer wall of the guide rod is slidably connected to the guide ring, and the outer wall of the limiting block is slidably connected to the limiting groove. There are four sets of guide rails and four sets of sliding grooves. The four sets of guide rails are fixed at the left and right ends of the front and rear outer surfaces of the lifting platform, and the four sets of sliding grooves are formed at the left and right ends of the front and rear sides of the groove. The outer wall of the guide rail is slidably connected to the sliding groove.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides a papermaking machine with adjustable paper winding tension, which has the following beneficial effects:

[0018] 1. This papermaking machine with adjustable paper roll tension achieves precise adjustment of the tension roller height through a motor-driven worm gear and ball screw mechanism, thereby flexibly controlling the tension of the paper roll to meet the needs of different production processes. Combined with real-time monitoring by a tension sensor, the position of the tension roller can be dynamically adjusted to ensure that the tension is stable within the set range and improve product quality.

[0019] 2. This papermaking machine with adjustable paper roll tension adopts a dual guiding structure of guide rail and chute, guide rod and guide ring, which effectively limits the deviation and shaking of the lifting platform. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a papermaking machine with adjustable paper roll tension according to this utility model, after the tension roller descends.

[0021] Figure 2 This is a schematic diagram of the structure of a papermaking machine with adjustable paper roll tension after the tension roller is raised.

[0022] Figure 3 This is a side cross-sectional view of the lifting platform in a papermaking machine with adjustable paper winding tension according to this utility model.

[0023] Figure 4 This is a top view of the worm gear and worm wheel in a papermaking machine with adjustable paper winding tension according to this utility model.

[0024] In the diagram: 1. Processing table; 2. Groove; 3. Lifting platform; 4. Limiting roller; 5. First connecting shaft; 6. First support frame; 7. Tension sensor; 8. Second support frame; 9. Tension roller; 10. Second connecting shaft; 11. Transmission box; 12. Ball screw; 13. Motor; 14. Guide rail; 15. Slide groove; 16. Mounting groove; 17. Worm gear; 18. Ball nut; 19. Support cylinder; 20. Guide rod; 21. Limiting groove; 22. Limiting block; 23. Guide ring; 24. Worm gear. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] This embodiment describes a papermaking machine with adjustable paper roll tension.

[0027] like Figure 1-4 As shown, the machine includes a processing table 1. A groove 2 is formed in the middle of the upper outer surface of the processing table 1. A lifting table 3 is slidably arranged in the groove 2. A lifting structure is connected between the lifting table 3 and the processing table 1. The lifting structure includes a transmission box 11, a ball screw 12, a motor 13, a guide rail 14, a slide 15, a mounting groove 16, a worm gear 17, a ball nut 18, a support cylinder 19, a guide rod 20, a limiting groove 21, a limiting block 22, a guide ring 23, and a worm gear 24. Limiting rollers 4 are provided on the left and right sides of the upper end of the processing table 1. A first connecting shaft 5 is fixedly installed on the outer surface of both ends of the limiting roller 4. A first support frame 6 is connected to the end of the first connecting shaft 5 away from the limiting roller 4. The lower outer surface of 6 is fixedly connected to the upper outer surface of the processing table 1. A bearing is provided between the first connecting shaft 5 and the first support frame 6. The first connecting shaft 5 is rotatably connected to the first support frame 6 through the bearing. Tension sensors 7 are fixedly installed at both ends of the upper outer surface of the lifting table 3. A second support frame 8 is fixedly installed at the upper end of the tension sensor 7. A tension roller 9 is provided above the lifting table 3. A second connecting shaft 10 is fixedly installed on the outer surfaces of both ends of the tension roller 9. The second connecting shaft 10 is connected to the upper part of one side of the outer surface of the second support frame 8. A bearing is provided between the second connecting shaft 10 and the second support frame 8. The second connecting shaft 10 is rotatably connected to the second support frame 8 through the bearing.

[0028] The transmission box 11 is fixed to the middle of the upper outer surface of the lifting platform 3. The worm 24 and ball screw 12 are both located inside the transmission box 11. The motor 13 is fixedly installed on one side of the front outer surface of the transmission box 11. The worm wheel 17 is fixed to the upper outer wall of the ball screw 12, and the worm 24 is located on one side of the outer surface of the worm wheel 17. One side of the outer surface of the worm 24 meshes with one side of the outer surface of the worm wheel 17. Bearings are provided between the worm 24, the ball screw 12, and the transmission box 11. All 12 are rotatably connected to the transmission box 11 via bearings. A coupling is provided between the worm gear 24 and the motor 13. The outer surface of one end of the worm gear 24 is fixedly connected to the outer surface of one end of the output shaft in the motor 13 via the coupling. The mounting groove 16 is opened in the middle of the lower outer surface of the lifting platform 3. The lower part of the ball screw 12 extends into the mounting groove 16. The ball screw 12 passes through the ball nut 18. The ball nut 18 is fixed to the upper outer surface of the support cylinder 19. The lower outer surface of the support cylinder 19 is connected to the groove 2. The middle part of the end is fixedly connected; the outer wall of the ball nut 18 and the ball screw 12 are connected by rolling friction, and the outer wall of the ball nut 18 and the support cylinder 19 are connected by sliding connection with the mounting groove 16. A bearing is provided between the ball screw 12 and the lifting platform 3, and the ball screw 12 is rotatably connected to the lifting platform 3 through the bearing; the limiting groove 21 is opened on the left and right sides of the lower outer surface of the lifting platform 3, the guide ring 23 is fixedly installed at the lower end of the limiting groove 21, the guide rod 20 passes through the guide ring 23, and the limiting block 22 is positioned... The guide rod 20 is fixedly connected to the outer surface of the upper end of the guide rod 20 and the outer surface of the lower end of the limit block 22 in the limiting groove 21. The outer wall of the guide rod 20 is slidably connected to the guide ring 23, and the outer wall of the limit block 22 is slidably connected to the limiting groove 21. There are four sets of guide rails 14 and four sets of slide grooves 15. The four sets of guide rails 14 are fixed at the left and right ends of the outer surface of the front and rear sides of the lifting platform 3. The four sets of slide grooves 15 are opened at the left and right ends of the front and rear sides of the groove 2. The outer wall of the guide rail 14 is slidably connected to the slide groove 15.

[0029] It should be noted that this utility model is a papermaking machine with adjustable paper roll tension. The paper roll passes through the lower end of two sets of limiting rollers 4 and the upper end of tension roller 9. The tension is detected by tension sensor 7. When tension needs to be adjusted, the motor 13 drives the worm gear 24 to rotate. The worm gear 24 drives the ball screw 12 to rotate through the worm wheel 17. The ball screw 12 and the ball nut 18 are connected by rolling friction. Therefore, the rotation of the ball screw 12 drives the lifting platform 3 to rise and fall along the groove 2. The lifting platform 3 drives the guide rail 14 to rise and fall along the slide groove 15. The lifting platform 3 drives the guide ring 23 to rise and fall along the outer wall of the guide rod 20, improving the stability of the lifting platform 3. The lifting platform 3 drives the tension roller 9 to rise and fall. By adjusting the height of the tension roller 9, the tension of the paper roll during conveying can be adjusted.

[0030] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0031] 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 claimed utility model.

Claims

1. A papermaking machine with adjustable paper roll tension, comprising a processing table (1), characterized in that: A groove (2) is provided in the middle of the upper outer surface of the processing table (1). A lifting platform (3) is slidably arranged in the groove (2). A lifting structure is connected between the lifting platform (3) and the processing table (1). The lifting structure includes a transmission box (11), a ball screw (12), a motor (13), a guide rail (14), a slide groove (15), a mounting groove (16), a worm gear (17), a ball nut (18), a support cylinder (19), a guide rod (20), a limiting groove (21), a limiting block (22), a guide ring (23), and a worm gear (24). Limiting rollers (4) are provided on the left and right sides of the upper end of the processing table (1). A first connecting shaft (5) is fixedly installed on the outer surface of both ends of the limiting roller (4). A first support frame (6) is connected to the end of the first connecting shaft (5) away from the limiting roller (4). The lower outer surface of the frame (6) is fixedly connected to the upper outer surface of the processing table (1). A bearing is provided between the first connecting shaft (5) and the first support frame (6). The first connecting shaft (5) is rotatably connected to the first support frame (6) through the bearing. Tension sensors (7) are fixedly installed on both the left and right ends of the upper outer surface of the lifting platform (3). A second support frame (8) is fixedly installed on the upper end of the tension sensor (7). A tension roller (9) is provided above the lifting platform (3). A second connecting shaft (10) is fixedly installed on the outer surfaces of both ends of the tension roller (9). The second connecting shaft (10) is connected to the upper part of one side of the outer surface of the second support frame (8). A bearing is provided between the second connecting shaft (10) and the second support frame (8). The second connecting shaft (10) is rotatably connected to the second support frame (8) through the bearing.

2. The papermaking machine with adjustable paper roll tension according to claim 1, characterized in that: The transmission box (11) is fixed in the middle of the upper outer surface of the lifting platform (3). The worm (24) and the ball screw (12) are both located inside the transmission box (11). The motor (13) is fixedly installed on one side of the front outer surface of the transmission box (11). The worm wheel (17) is fixed on the upper outer wall of the ball screw (12). The worm (24) is located on one side of the outer surface of the worm wheel (17).

3. The papermaking machine with adjustable paper winding tension according to claim 2, characterized in that: One outer surface of the worm (24) meshes with one outer surface of the worm wheel (17). Bearings are provided between the worm (24), the ball screw (12) and the transmission box (11). The worm (24) and the ball screw (12) are rotatably connected to the transmission box (11) through the bearings. A coupling is provided between the worm (24) and the motor (13). One outer surface of the worm (24) is fixedly connected to one outer surface of the output shaft of the motor (13) through the coupling.

4. The papermaking machine with adjustable paper winding tension according to claim 3, characterized in that: The mounting groove (16) is located in the middle of the lower outer surface of the lifting platform (3). The lower part of the ball screw (12) extends into the mounting groove (16). The ball screw (12) passes through the ball nut (18). The ball nut (18) is fixed on the upper outer surface of the support cylinder (19). The lower outer surface of the support cylinder (19) is fixedly connected to the middle of the lower end of the groove (2).

5. A papermaking machine with adjustable paper roll tension according to claim 4, characterized in that: The outer wall of the ball nut (18) and the ball screw (12) are connected by rolling friction. The outer wall of the ball nut (18) and the support cylinder (19) are connected by sliding to the mounting groove (16). A bearing is provided between the ball screw (12) and the lifting platform (3). The ball screw (12) is rotatably connected to the lifting platform (3) through the bearing.

6. A papermaking machine with adjustable paper winding tension according to claim 5, characterized in that: The limiting groove (21) is opened on the left and right sides of the lower outer surface of the lifting platform (3). The guide ring (23) is fixedly installed at the lower end of the limiting groove (21). The guide rod (20) passes through the guide ring (23). The limiting block (22) is located in the limiting groove (21). The upper outer surface of the guide rod (20) is fixedly connected to the lower outer surface of the limiting block (22). The outer wall of the guide rod (20) is slidably connected to the guide ring (23). The outer wall of the limiting block (22) is slidably connected to the limiting groove (21). The number of guide rails (14) and sliding grooves (15) are four sets. The four sets of guide rails (14) are fixed at the left and right ends of the front and rear outer surfaces of the lifting platform (3). The four sets of sliding grooves (15) are opened at the left and right ends of the front and rear sides of the groove (2). The outer wall of the guide rail (14) is slidably connected to the sliding groove (15).

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