Cotton yarn anti-loose tensioner
By using a guide roller and pressure roller structure, combined with electric push rods and electric sliders, the problem of cotton yarn slippage during transmission is solved, achieving stable transmission and efficient threading.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI XIANYU TEXTILE TECHNOLOGY CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-08-04
AI Technical Summary
Existing cotton yarn conveying devices are prone to slipping off when conveying yarn on pressure rollers and guide rollers, and the threading operation is time-consuming and labor-intensive, affecting work efficiency.
The structure employs a guide roller and pressure roller within the support frame, combined with an electric push rod and an electric slider. The movement of the cotton yarn is restricted by the limit roller, the electric slider pulls the cotton yarn through the thread, and the ends of the cotton yarn are fixed by a screw and a pressure plate. The electric push rod adjusts the pressure.
It effectively prevents cotton yarn from falling off, simplifies the threading process, and improves work efficiency.
Smart Images
Figure CN224590428U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of cotton yarn processing equipment, and in particular to a cotton yarn anti-loosening tensioner. Background Technology
[0002] Yarn is made from cotton fibers through a spinning process; after plying, it is called cotton thread. Based on different spinning processes, it can be divided into carded yarn and combed yarn. Carded yarn: yarn spun from cotton fibers using a conventional spinning system. Combed yarn: yarn spun from cotton fibers using a combed spinning system. Combed yarn uses high-quality raw materials, resulting in yarn with straight and parallel fibers, fewer knots and impurities, good luster, evenness, and high strength. This type of cotton yarn is mostly used for weaving high-end fabrics. During the conveying of cotton yarn, tensioning is often necessary to ensure a smooth fabric.
[0003] For example, Chinese patent application number CN202222365064.4 discloses a cotton yarn tensioning device, including a lead wire component. A tensioning assembly is provided on the lead wire component's outlet side. The tensioning assembly includes a support plate with a through hole on its surface. A counterweight capable of moving vertically is disposed within the through hole. This device, by setting a tensioning assembly with multiple counterweights, allows for convenient adjustment of the cotton yarn tension by selecting an appropriate number of counterweights.
[0004] Regarding the above and existing related technologies, the inventors believe that the following defects often exist: 1. The anti-drop effect of the device is generally poor. After long-term use, the surfaces of the pressure roller and guide roller will wear down. When the cotton yarn is conveyed on the worn pressure roller and guide roller, it is easy to move to both ends. The two sides of the cotton yarn are easy to deviate from the track and fall off the pressure roller and guide roller. Although the cotton yarn will not fall off completely due to the obstruction of the support frame and support plate, the two sides of the cotton yarn are prone to friction damage when in contact with the support frame and support plate during transmission; 2. When threading new yarn, it is inconvenient to pass the cotton yarn through the first guide roller and then through the bottom inside the support plate. The operator needs to use tools to pull the cotton yarn, which is time-consuming and laborious, and the threading efficiency is low, reducing work efficiency. Utility Model Content
[0005] The technical problem to be solved by this utility model is that the existing technology has the disadvantage that cotton yarn will move towards both ends of the pressure roller and guide roller during the conveying process, resulting in it falling off. To this end, we propose a cotton yarn anti-loosening tensioner.
[0006] To achieve the above objectives, this application adopts the following technical solution: a cotton yarn anti-loosening tensioner, comprising a base: a support frame is fixedly connected to the middle of the top surface of the base; guide rollers are jointly bearing-connected to the front and rear sides of the inner wall of the support frame near the top; the number of guide rollers is two and they are arranged opposite each other; a pressing roller is provided on the inner side of the support frame near the bottom; first electric push rods are fixedly sleeved on the front and rear sides of the inner side of the support frame near the bottom; first support plates are fixedly connected to the telescopic ends of the two first electric push rods; two first support plates are respectively arranged on the front and rear sides of the inner side of the support frame; limit rollers are bearing-connected to the left and right sides of the top surface of each first support plate; guide rails are fixedly connected to the front and rear sides of the top surface of the base; an electric slider is slidably connected to the left side of the top of the guide rail; and a fixing component is fixedly connected to the opposing surfaces of the two electric sliders.
[0007] Preferably, a connecting plate is fixedly connected to the front and rear sides and near the top of the inner wall of the support frame. The connecting plate is disposed between two guide rollers. A second electric push rod is fixedly connected to the front and rear sides of the bottom surface of the connecting plate. The telescopic ends of the two second electric push rods are fixedly connected to a connecting frame. The pressure roller bearing is connected to the inner side of the connecting frame.
[0008] Preferably, each of the first support plates is provided with a second support plate at its top. The upper end bearing of the limiting roller is connected to the bottom surface of the adjacent second support plate. Movable rods are fixedly connected to the left and right sides of the disjoint surfaces of the two second support plates. The disjoint ends of the movable rods on the front and rear sides are respectively movably sleeved on the front and rear sides of the support frame and extend to the outside.
[0009] Preferably, the fixing assembly includes a hollow frame, the front and rear sides of the outer wall of the hollow frame are respectively fixedly connected to the opposing surfaces of two electric sliders, a screw is threadedly connected to the middle of the top of the hollow frame, the lower end of the screw penetrates into the inner cavity of the hollow frame, a pressure plate is fixedly connected to the lower end face of the screw, and a rotating handle is fixedly connected to the top of the pressure plate.
[0010] Preferably, guide rods are fixedly connected to the front and rear sides of the top of the clamping plate, and the upper end of the guide rods is movably sleeved on the top of the hollow frame and extends to the outside.
[0011] Preferably, both guide rails are disposed inside the support frame and between the two first support plates.
[0012] The technical effects and advantages of this utility model are as follows:
[0013] In this invention, during the process of cotton yarn being conveyed on the guide roller and the pressing roller, the forward and backward movement of the cotton yarn is restricted by the limiting roller, which prevents the cotton yarn from deviating from the track and significantly improves the effect of the device in preventing the cotton yarn from falling off.
[0014] In this invention, after fixing the left end of the cotton yarn to the fixing component on the left side, the cotton yarn is pulled to the right by the electric slider and moved to the lower side of the right guide roller, which facilitates threading. The process is simple and greatly improves work efficiency. Attached Figure Description
[0015] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts:
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a cross-sectional view of the support frame in this utility model;
[0018] Figure 3 This is a schematic diagram of the guide rail structure in this utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the pressure roller and connecting frame in this utility model;
[0020] Figure 5 This is a schematic diagram of the fixing component in this utility model.
[0021] Legend: 1. Base; 2. Support frame; 3. Guide roller; 4. Pressure roller; 5. First electric actuator; 6. First support plate; 7. Limiting roller; 8. Guide rail; 9. Electric slider; 10. Fixing assembly; 101. Hollow frame; 102. Screw; 103. Pressure plate; 104. Rotary handle; 105. Guide rod; 11. Connecting plate; 12. Second electric actuator; 13. Connecting frame; 14. Second support plate; 15. Movable rod. Detailed Implementation
[0022] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.
[0023] Reference Figure 1-5As shown, this utility model provides a technical solution: a cotton yarn anti-loosening tensioner, including a base 1; a support frame 2 is fixedly connected to the middle of the top surface of the base 1; guide rollers 3 are connected to the front and rear sides of the inner wall of the support frame 2 near the top via bearings; there are two guide rollers 3 arranged opposite each other; a pressing roller 4 is provided on the inner side of the support frame 2 near the bottom; first electric push rods 5 are fixedly sleeved on the front and rear sides of the inner side of the support frame 2 near the bottom; the telescopic ends of the two first electric push rods 5 are fixedly connected to first support plates 6; the two first support plates 6 are respectively arranged on the front and rear sides of the inner side of the support frame 2; limit rollers 7 are connected to the left and right sides of the top surface of each first support plate 6 via bearings; guide rails 8 are fixedly connected to the front and rear sides of the top surface of the base 1; electric sliders 9 are slidably connected to the left side of the top of the guide rails 8; and a fixing component 10 is fixedly connected to the facing surfaces of the two electric sliders 9.
[0024] To control the up-and-down movement of the pressure roller 4 and thus adjust the tension on the cotton yarn, a connecting plate 11 is fixedly connected to the front and rear sides of the inner wall of the support frame 2, near the top. The connecting plate 11 is positioned between the two guide rollers 3. Second electric actuators 12 are fixedly connected to the front and rear sides of the bottom surface of the connecting plate 11. The telescopic ends of the two second electric actuators 12 are jointly fixedly connected to a connecting frame 13. The pressure roller 4 is bearing-connected to the inner side of the connecting frame 13. The connecting frame 13 can be moved up and down by the second electric actuators 12, which in turn drives the pressure roller 4 to move up and down, thereby adjusting the height of the pressure roller 4.
[0025] In order to support the upper end of the limiting roller 7 and make the limiting roller 7 more stable, a second support plate 14 is provided on the top of each first support plate 6. The upper end bearing of the limiting roller 7 is connected to the bottom surface of the adjacent second support plate 14. Movable rods 15 are fixedly connected to the left and right sides of the separating surfaces of the two second support plates 14. The separating ends of the front and rear movable rods 15 are respectively movably sleeved on the front and rear sides of the support frame 2 and extend to the outside.
[0026] To facilitate the fixed connection of the left end of the cotton yarn, allowing the electric slider 9 to pull the cotton yarn to the right, the fixing assembly 10 includes a hollow frame 101. The front and rear sides of the outer wall of the hollow frame 101 are fixedly connected to the opposing surfaces of the two electric sliders 9, respectively. A screw 102 is threadedly connected to the middle of the top of the hollow frame 101. The lower end of the screw 102 extends through the inner cavity of the hollow frame 101. A pressure plate 103 is fixedly connected to the lower end face of the screw 102, and a handle 104 is fixedly connected to the top of the pressure plate 103.
[0027] To restrict the clamping plate 103 and prevent it from rotating with the screw 102, guide rods 105 are fixedly connected to the front and rear sides of the top of the clamping plate 103. The upper end of the guide rod 105 is movably sleeved on the top of the hollow frame 101 and extends to the outside.
[0028] To allow the guide rails 8 to pass through the inside of the support frame 2 and to prevent the first support plate 6 from restricting the forward and backward movement of the electric slider 9, both guide rails 8 are located inside the support frame 2 and between the two first support plates 6.
[0029] Working Principle: When the operator performs the cotton yarn threading operation, firstly, the left end of the cotton yarn is passed through the top of the left guide roller 3, and then the left end of the cotton yarn hangs down naturally under the action of gravity. Next, the hanging left end of the cotton yarn is inserted into the inside of the hollow frame 101 and placed stably on the bottom surface of the inner wall of the hollow frame 101. After completing the above operations, the operator needs to turn the handle 104, thereby driving the screw 102 to rotate. As the screw 102 rotates, it moves downward along the thread direction, thereby driving the connected pressure plate 103 to move downward synchronously. When the pressure plate 103 moves to the appropriate position, it will tightly clamp and fix the left end of the cotton yarn onto the hollow frame 101. Then, the electric slider 9 begins to slide to the right on the guide rail 8. Since the hollow frame 101 is connected to the electric slider 9, it will move to the right as the electric slider 9 moves. The movement of the hollow frame 101 pulls the left end of the cotton yarn to the right, allowing it to pass under the pressure roller 4 and eventually reach the underside of the right guide roller 3. Once the left end of the cotton yarn reaches the designated position, the operator reverses the rotation of the handle 104, causing the screw 102 to rotate in the opposite direction and move upwards. This, in turn, moves the pressure plate 103 upwards, releasing the clamping and fixing of the left end of the cotton yarn. The operator then grasps the cotton yarn and pulls it upwards, allowing it to pass over the right guide roller 3. This completes the threading operation on the device. This threading process is simple and greatly improves work efficiency. After threading, to ensure the stability of the cotton yarn during transmission, the second electric actuator 12 is activated. The second electric actuator 12 pushes the connecting frame 13 downwards, which in turn moves the pressure roller 4 downwards, pressing the cotton yarn from above and tightening it. Once the cotton yarn is taut, the two first electric actuators 5 are activated. The two first electric actuators 5 respectively push the two first support plates 6 to move towards each other. The first support plates 6 then drive the limiting rollers 7 to move, ultimately ensuring that the front and rear limiting rollers 7 are tightly fitted against the front and rear sides of the cotton yarn. In this way, during the transmission of the cotton yarn on the guide rollers 3 and the pressing rollers 4, the limiting rollers 7 effectively restrict the forward and backward movement of the cotton yarn, preventing it from deviating from the track and significantly improving the device's ability to prevent the cotton yarn from falling off.
[0030] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.
Claims
1. A cotton yarn anti-loosening tensioner, characterized in that, The system includes a base: a support frame is fixedly connected to the center of the top surface of the base; guide rollers are connected to the front and rear sides of the inner wall of the support frame near the top via common bearings; there are two guide rollers arranged opposite each other; a pressure roller is provided on the inner side of the support frame near the bottom; first electric actuators are fixedly sleeved on the front and rear sides of the inner side of the support frame near the bottom; first support plates are fixedly connected to the telescopic ends of the two first electric actuators; two first support plates are respectively arranged on the front and rear sides of the inner side of the support frame; limit rollers are connected to the left and right sides of the top surface of each first support plate via bearings; guide rails are fixedly connected to the front and rear sides of the top surface of the base; an electric slider is slidably connected to the left side of the top of the guide rail; and a fixing component is fixedly connected to the opposing surfaces of the two electric sliders.
2. The cotton yarn anti-loosening tensioner according to claim 1, characterized in that: A connecting plate is fixedly connected to the front and rear sides and near the top of the inner wall of the support frame. The connecting plate is disposed between two guide rollers. A second electric push rod is fixedly connected to the front and rear sides of the bottom surface of the connecting plate. The telescopic ends of the two second electric push rods are fixedly connected to the connecting frame. The pressure roller bearing is connected to the inner side of the connecting frame.
3. The cotton yarn anti-loosening tensioner according to claim 1, characterized in that: Each of the first support plates is provided with a second support plate at its top. The upper end bearing of the limiting roller is connected to the bottom surface of the adjacent second support plate. Movable rods are fixedly connected to the left and right sides of the disjoint surfaces of the two second support plates. The disjoint ends of the movable rods on the front and rear sides are respectively movably sleeved on the front and rear sides of the support frame and extend to the outside.
4. The cotton yarn anti-loosening tensioner according to claim 1, characterized in that: The fixing assembly includes a hollow frame, the front and rear sides of the outer wall of the hollow frame are respectively fixedly connected to the opposing surfaces of two electric sliders, a screw is threadedly connected to the middle of the top of the hollow frame, the lower end of the screw penetrates into the inner cavity of the hollow frame, a pressure plate is fixedly connected to the lower end face of the screw, and a rotating handle is fixedly connected to the top of the pressure plate.
5. The cotton yarn anti-loosening tensioner according to claim 4, characterized in that: Guide rods are fixedly connected to the front and rear sides of the top of the clamping plate. The upper end of the guide rod is movably sleeved on the top of the hollow frame and extends to the outside.
6. The cotton yarn anti-loosening tensioner according to claim 1, characterized in that: Both guide rails are located inside the support frame and are positioned between the two first support plates.