Mechanical tension regulating device for knotless net machine
Patent Information
- Application Number
- CN202522076089.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-26
- Publication Date
- 2026-09-04
- Estimated Expiration
- 2035-09-26
AI Technical Summary
[0003]在无结网机的生产过程中,纱线或网线的张力控制是影响网片质量(如网孔均匀性、强度一致性)的核心因素,现有张力调节装置通常通过调节辊的位移或压力来调整纱线张力,但其结构设计存在以下技术缺陷,导致外侧皮带张力难以与调节辊张力同步匹配,需反复调试,严重影响生产效率与产品稳定性
一种用于无结网机的机械式张力调节装置,通过弹簧伸缩杆和转动轴配合,调节从动辊时,弹簧伸缩杆带动转动轴移动,转动轴带动张紧轮移动,张紧轮挤压皮带,保持皮带的张紧状态,可以使外侧皮带张力与从动辊的张力同步匹配,无需反复调试,提高了生产效率与产品稳定性。
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Figure CN224716148U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of knotless web making machine technology, specifically a mechanical tension adjustment device for knotless web making machines. Background Technology
[0002] Knotless netting machines are specialized equipment used to produce knotless nets. Their core advantage lies in eliminating knots in traditional netting through a special weaving process, thereby reducing strength loss, water resistance, and improving mesh uniformity.
[0003] In the production process of knotless web making machines, the tension control of yarn or web is the core factor affecting the quality of the web (such as mesh uniformity and strength consistency). Existing tension adjustment devices usually adjust the yarn tension by adjusting the displacement or pressure of the adjustment roller. However, their structural design has the following technical defects, which make it difficult for the tension of the outer belt to be synchronized with the tension of the adjustment roller. Repeated adjustments are required, which seriously affects production efficiency and product stability. Utility Model Content
[0004] The purpose of this invention is to provide a mechanical tension adjustment device for a knotless web-making machine to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a mechanical tension adjustment device for a knotless web machine, comprising a body, on which two sliding frames and four limiting grooves are provided. The sliding frames are connected to the two limiting grooves at corresponding positions. An adjustment mechanism is provided inside the sliding frames. The adjustment mechanism includes a sliding block and two fixed blocks. The sliding block is slidably disposed inside the sliding frame. The sliding block is cross-shaped. Both the upper and lower ends of the sliding block are slidably disposed inside the two limiting grooves. A movable block is fixed below the sliding block. Both fixed blocks are fixed to the body. Threaded rods are rotatably disposed inside the two fixed blocks. The movable block is threadedly connected to the threaded rods. A motor is fixed on one of the fixed blocks. The output shaft of the motor is connected to the threaded rods. A linkage component is provided on the sliding block.
[0006] The machine body is internally equipped with a driving roller and several driven rollers. The ends of the driving roller and several driven rollers extend through the machine body. The ends of several driven rollers are fixed with driven wheels. Belts are provided on the driving wheel and several driven wheels.
[0007] With the above structure, the power mechanism drives the active roller to rotate, the active roller drives the active wheel to rotate, the active wheel drives several driven wheels to rotate via a belt, and the several driven wheels drive the corresponding driven roller to rotate.
[0008] The machine body has sliding grooves on both sides, and the sliding grooves are inclined. The active rollers are rotatably mounted on the sliding block, and the ends of the active rollers are equipped with active wheels.
[0009] With the above structure, the active roller drives the active wheel to rotate, and the sliding groove provides installation and limiting space.
[0010] The linkage component includes a second connecting block, which is rotatably mounted on the end of the drive roller. A connecting plate is fixed on the second connecting block, and a spring telescopic rod is fixed below the connecting plate. A first connecting block is fixed to the end of the spring telescopic rod.
[0011] With the above structure, the end of the driven roller drives the second connecting block to move, the second connecting block drives the connecting plate to move, and the connecting plate drives the spring telescopic rod to move.
[0012] The linkage component also includes a second sliding block, which is slidably disposed above the sliding groove. A rotating shaft is rotatably disposed on the second sliding block, and a tension wheel is fixed on the rotating shaft. The tension wheel abuts against the belt, and the first connecting block is rotatably disposed on the rotating shaft.
[0013] With the above structure, the spring telescopic rod drives the rotating shaft to move, the rotating shaft drives the tension wheel to move, and the tension wheel squeezes the belt to maintain the belt tension.
[0014] Compared with the prior art, the beneficial effects of this utility model are: A mechanical tension adjustment device for a knotless web machine, through the cooperation of a spring telescopic rod and a rotating shaft, when adjusting the driven roller, the spring telescopic rod drives the rotating shaft to move, the rotating shaft drives the tension wheel to move, and the tension wheel squeezes the belt to maintain the belt tension. This allows the tension of the outer belt to be synchronously matched with the tension of the driven roller, eliminating the need for repeated adjustments and improving production efficiency and product stability. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the upper three-dimensional structure of this utility model; Figure 2 This is a schematic diagram of the lower three-dimensional structure of this utility model; Figure 3 This is a front view structural diagram of the present utility model; Figure 4 This is a cross-sectional structural diagram of some components in this utility model.
[0016] In the diagram: 1. Driven wheel; 2. Belt; 3. Sliding frame; 4. Connecting plate; 5. Spring telescopic rod; 6. Tensioning wheel; 7. First connecting block; 8. Sliding block; 9. Driving wheel; 10. Limiting groove; 11. Driving roller; 12. Driven roller; 13. Machine body; 14. Second connecting block; 15. Rotating shaft; 16. Sliding block; 17. Moving block; 18. Sliding groove; 19. Fixed block; 20. Motor; 21. Threaded rod. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] like Figures 1-4 As shown, this utility model provides a technical solution: a mechanical tension adjustment device for a knotless web machine, including a body 13, on which two sliding frames 3 and four limiting grooves 10 are provided. The sliding frames 3 are connected to the two limiting grooves 10 at corresponding positions. An adjustment mechanism is provided inside the sliding frames 3. The adjustment mechanism includes a sliding block 8 and two fixed blocks 19. The sliding block 8 is slidably disposed inside the sliding frame 3. The sliding block 8 is cross-shaped. Both the upper and lower ends of the sliding block 8 are slidably disposed inside the two limiting grooves 10. A moving block 17 is fixed below the sliding block 8. Both fixed blocks 19 are fixed to the body 13. A threaded rod 21 is rotatably disposed inside the two fixed blocks 19. The moving block 17 is threadedly connected to the threaded rod 21. A motor 20 is fixed on one of the fixed blocks 19. The output shaft of the motor 20 is connected to the threaded rod 21. A linkage component is provided on the sliding block 8.
[0019] The machine body 13 is internally equipped with a drive roller 11 and several driven rollers 12. The ends of the drive roller 11 and several driven rollers 12 extend through the machine body 13. The ends of several driven rollers 12 are fixed with driven wheels 1. The drive wheel 9 and several driven wheels 1 are equipped with belts 2. The power mechanism drives the drive roller 11 to rotate, the drive roller 11 drives the drive wheel 9 to rotate, the drive wheel 9 drives several driven wheels 1 to rotate through the belts 2, and the several driven wheels 1 drive the corresponding driven rollers 12 to rotate.
[0020] The machine body 13 has sliding grooves 18 on both sides, and the sliding grooves 18 are inclined. The active rollers 11 are rotatably mounted on the sliding block 8, and the ends of the active rollers 11 are provided with active wheels 9. The active rollers 11 drive the active wheels 9 to rotate, and the sliding grooves 18 provide installation and limiting space.
[0021] The linkage component includes a second connecting block 14, which is rotatably mounted on the end of the drive roller 11. A connecting plate 4 is fixed on the second connecting block 14, and a spring telescopic rod 5 is fixed below the connecting plate 4. A first connecting block 7 is fixed to the end of the spring telescopic rod 5. The end of the driven roller 12 drives the second connecting block 14 to move, the second connecting block 14 drives the connecting plate 4 to move, and the connecting plate 4 drives the spring telescopic rod 5 to move.
[0022] The linkage assembly also includes a second sliding block 16, which is slidably disposed above the sliding groove 18. A rotating shaft 15 is rotatably disposed on the second sliding block 16, and a tension wheel 6 is fixed on the rotating shaft 15. The tension wheel 6 abuts against the belt 2. A first connecting block 7 is rotatably disposed on the rotating shaft 15. The spring telescopic rod 5 drives the rotating shaft 15 to move, and the rotating shaft 15 drives the tension wheel 6 to move. The tension wheel 6 squeezes the belt 2 to maintain the belt 2 in a taut state.
[0023] Working principle: When the tension of the knotless web machine needs to be adjusted, the motor 20 drives the threaded rod 21 to rotate through the output shaft. The threaded rod 21 drives the moving block 17 to move, the moving block 17 drives the sliding block 8 to move, and the sliding block 8 drives one of the driven rollers 12, thereby adjusting the tension of the knotless web machine. At the same time, the end of the driven roller 12 drives the second connecting block 14 to move, the second connecting block 14 drives the connecting plate 4 to move, the connecting plate 4 drives the spring telescopic rod 5 to move, the spring telescopic rod 5 drives the rotating shaft 15 to move, and the rotating shaft 15 drives the tensioning wheel 6 to move. The tensioning wheel 6 squeezes the belt 2 to maintain the tension of the belt 2, so that the tension of the outer belt can be synchronously matched with the tension of the driven roller 12, eliminating the need for repeated adjustments and improving production efficiency and product stability.
[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended embodiments and their equivalents.
Claims
1. A mechanical tension adjustment device for a knotless web-making machine, comprising a body (13), wherein two sliding frames (3) and four limiting grooves (10) are provided on the body (13), the sliding frames (3) are connected to the two limiting grooves (10) at corresponding positions, and an adjustment mechanism is provided inside the sliding frames (3), characterized in that: The adjustment mechanism includes a sliding block (8) and two fixed blocks (19). The sliding block (8) is slidably disposed inside the sliding frame (3). The sliding block (8) is cross-shaped. The upper and lower ends of the sliding block (8) are slidably disposed inside the two limiting grooves (10). A moving block (17) is fixed below the sliding block (8). The two fixed blocks (19) are fixed on the machine body (13). A threaded rod (21) is rotatably disposed inside the two fixed blocks (19). The moving block (17) is threadedly connected to the threaded rod (21). A motor (20) is fixed on one of the fixed blocks (19). The output shaft of the motor (20) is connected to the threaded rod (21). A linkage component is disposed on the sliding block (8).
2. The mechanical tension adjustment device for a knotless web-making machine according to claim 1, characterized in that: The machine body (13) is internally equipped with a drive roller (11) and several driven rollers (12). The ends of the drive roller (11) and several driven rollers (12) extend through the machine body (13). The ends of several driven rollers (12) are fixed with driven wheels (1). The drive wheel (9) and several driven wheels (1) are equipped with belts (2).
3. A mechanical tension adjustment device for a knotless web-making machine according to claim 2, characterized in that: The machine body (13) has sliding grooves (18) on both sides. The sliding grooves (18) are all inclined. The active rollers (11) are rotatably mounted on the sliding block (8). The ends of the active rollers (11) are all equipped with active wheels (9).
4. A mechanical tension adjustment device for a knotless web-making machine according to claim 3, characterized in that: The linkage component includes a second connecting block (14), which is rotatably mounted on the end of the drive roller (11). A connecting plate (4) is fixed on the second connecting block (14), and a spring telescopic rod (5) is fixed below the connecting plate (4). A first connecting block (7) is fixed at the end of the spring telescopic rod (5).
5. A mechanical tension adjustment device for a knotless web-making machine according to claim 4, characterized in that: The linkage component also includes a second sliding block (16), which is slidably disposed above the sliding groove (18). A rotating shaft (15) is rotatably disposed on the second sliding block (16), and a tension wheel (6) is fixed on the rotating shaft (15). The tension wheel (6) abuts against the belt (2), and the first connecting block (7) is rotatably disposed on the rotating shaft (15).