Yarn tension device of two-for-one twister
By designing a yarn tension device with drive, damping, and limiting components, the problems of inflexible yarn tension adjustment and insufficient limiting were solved, enabling stable operation and efficient production of yarn in the twisting machine.
Patent Information
- Application Number
- CN202520055645.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing yarn tensioning devices are difficult to adjust the tension flexibly according to the characteristics of different yarns, and are also difficult to effectively limit the yarn, which makes it easy for the yarn to detach from the guide wheel during movement, affecting the production efficiency of the twisting machine.
A yarn tensioning device comprising a drive assembly, a damping assembly, and a limiting assembly is designed. The distance between the tension wheel and the guide wheel is adjusted by a motor-driven screw, the damping assembly is used to adjust the yarn damping, and the limiting assembly is used to prevent yarn deviation, thereby achieving precise adjustment and limiting of the yarn.
It enables flexible tension adjustment based on yarn characteristics, preventing the yarn from detaching from the guide roller and improving the production efficiency of the twisting machine.
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Figure CN223705865U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tension device technical field especially relates to a yarn silk tension device of double twister. BACKGROUND
[0002] When the double twister is working, in order to ensure the normal twisting of yarn silk, therefore need to adjust the yarn silk tension size in the process of pulling yarn silk, when adjusting the tension of yarn silk, usually through the position of tension wheel to adjust the tension of yarn silk, to reach the effective adjustment purpose.
[0003] Because the thickness and material of yarn silk are different, and the existing yarn silk tension device is difficult to adjust the tension size flexibly according to the characteristics of different yarns when adjusting the yarn silk tension, thereby leading to difficult to adapt to the twisting demand of various yarns, and yarn silk is easy to bounce when moving, and the existing yarn silk tension device is difficult to limit yarn silk, thereby leading to yarn silk to be easy to separate from the wire wheel in the moving way, thereby difficult to make yarn silk in the suitable tension range, thereby leading to the low production efficiency of double twister. UTILITY MODEL CONTENTS
[0004] In order to overcome the above-mentioned shortcomings, the utility model provides a yarn silk tension device of double twister, can adjust the tension size flexibly according to the characteristics of different yarns, thereby can adapt to the twisting demand of various yarns, and can limit yarn silk to make yarn silk not easy to separate from the wire wheel in the moving way, thereby improve the production efficiency of double twister.
[0005] Technical scheme is: a yarn silk tension device of double twister, including:
[0006] The base for being installed on the double twister;
[0007] The mounting bracket with a vertical groove is fixedly connected to the base;
[0008] The driving assembly is arranged on the mounting bracket;
[0009] The tension wheel is arranged on the driving assembly;
[0010] Two wire wheels are rotatably connected to the mounting bracket;
[0011] The yarn silk is wound on the wire wheel and the tension wheel;
[0012] The damping assembly is used for adjusting the damping of the wire wheel, and the damping assembly is arranged on the moving block and the mounting bracket;
[0013] The limiting assembly is used for limiting the yarn silk, and the limiting assembly is arranged on the mounting bracket.
[0014] Further, the driving assembly comprises a motor fixed to the top of the mounting frame; a screw rod fixed to the output shaft of the motor, which is rotatably connected with the mounting frame; and a moving block slidably connected with the vertical slot of the mounting frame and threadedly connected with the screw rod.
[0015] Further, the damping assembly comprises two connecting plates fixed to the two sides of the moving block respectively; two extrusion plates fixed to the two connecting plates respectively; four sliding rods slidably connected with the two sides of the mounting frame respectively; a compression spring connected between each sliding rod and the mounting frame; and a ball installed at one end of each sliding rod.
[0016] Further, the extrusion plate is provided with a plurality of inclined surfaces.
[0017] Further, the limiting assembly comprises four fixed plates fixed to the two sides of the mounting frame respectively; and a limiting block slidably connected with each fixed plate and connected with the fixed plate through a tensile spring.
[0018] Further, the limiting block is provided with a limiting slot.
[0019] Beneficial effects are as follows: 1. The output shaft of the motor is controlled to rotate in the forward and reverse directions, so that the moving block moves upward through the screw rod, the moving block drives the tension wheel to move up and down, the distance between the tension wheel and the two guide wheels is reduced or increased, and then the worker can quickly adjust the size of the current yarn tension according to the size of the yarn tension.
[0020] 2. When the material and thickness of the yarn are different, the moving block moves downward, the connecting plate drives the extrusion plate to move downward, the extrusion plate moves downward and first extrudes one of the sliding rods, the compression spring is compressed, the sliding rod moves and drives the ball to contact one side of the guide wheel, the sliding rod exerts pressure on the guide wheel through the ball, the damping of the guide wheel during rotation is increased, the tension of the yarn is increased, the tension size can be flexibly adjusted according to the characteristics of different yarns, the twisting requirements of various yarns are conveniently adapted, the yarn bounces during movement when the yarn is pulled by the two-for-one twister, the yarn bounces up and down and extrudes the limiting block above, the yarn is buffered and limited under the action of the tensile spring, the yarn is prevented from being separated from the guide wheel during movement, the yarn is ensured to be in a suitable tension range, and the production efficiency of the two-for-one twister is improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model.
[0022] Figure 2 It is a first partial three-dimensional structure schematic view of the utility model.
[0023] Figure 3This is a three-dimensional structural diagram of the second part of this utility model.
[0024] Figure 4 This is a three-dimensional structural diagram of the third part of this utility model.
[0025] Figure 5 This is a three-dimensional structural diagram of the fourth part of this utility model.
[0026] The component names and serial numbers in the diagram are as follows: 0_yarn, 1_base, 2_mounting bracket, 3_motor, 4_lead screw, 5_moving block, 6_tension wheel, 7_guide wheel, 8_connecting plate, 9_extrusion plate, 10_sliding rod, 11_compression spring, 12_ball bearing, 13_fixed plate, 14_limiting block, 15_tension spring. Detailed Implementation
[0027] The preferred technical solution of this utility model will be described in detail below with reference to the accompanying drawings.
[0028] Example 1: A yarn tension device for a doubling twister, such as Figures 1-5 As shown, it includes:
[0029] Base 1 for mounting on a twisting machine;
[0030] A mounting bracket 2 with a vertical groove is fixedly attached to the base 1;
[0031] The drive component is mounted on mounting bracket 2;
[0032] Tension wheel 6 is mounted on the drive assembly;
[0033] Two guide wheels 7 are rotatably connected to the mounting bracket 2;
[0034] Yarn 0 wound around guide wheel 7 and tension 6;
[0035] A damping assembly for adjusting the damping of the guide wheel 7 is provided on the moving block 5 and the mounting bracket 2;
[0036] A limiting component is used to limit the yarn 0, and the limiting component is provided on the mounting frame 2.
[0037] The drive assembly includes a motor 3 fixed to the top of the mounting bracket 2; a lead screw 4 fixed to the output shaft of the motor 3, which is rotatably connected to the mounting bracket 2; and a movable block 5 slidably connected to the vertical groove of the mounting bracket 2, which is threadedly connected to the lead screw 4.
[0038] The damping assembly comprises two connecting plates 8 respectively fixed on both sides of the moving block 5; two extrusion plates 9 fixed on the two connecting plates 8; four sliding rods 10 respectively slidably connected on both sides of the mounting frame 2; a compression spring 11 connected between each sliding rod 10 and the mounting frame 2; and a ball 12 mounted on one end of each sliding rod 10.
[0039] The extrusion plate 9 is provided with a plurality of inclined surfaces for extruding the sliding rod 10.
[0040] The limiting assembly comprises four fixed plates 13 respectively fixed on both sides of the mounting frame 2; a limiting block 14 slidably connected on each fixed plate 13; and a tension spring 15 connected between each limiting block 14 and the fixed plate 13.
[0041] The limiting block 14 is provided with a limiting groove for preventing the yarn 0 from deviating.
[0042] When the yarn 0 is pulled to move during the operation of the two-for-one twister, the yarn 0 moves to rotate the wire guide wheel 7 and the tension wheel 6. When the tension of the yarn 0 is small, the output shaft of the motor 3 is controlled to rotate to drive the screw rod 4 to rotate, the screw rod 4 is rotated through the thread to move the moving block 5 downward, the moving block 5 moves downward to drive the tension wheel 6 to move downward, the tension wheel 6 moves downward to push the yarn 0 downward, and the distance between the tension wheel 6 and the two wire guide wheels 7 increases. When the tension of the yarn 0 is large, the output shaft of the motor 3 is controlled to rotate reversely to drive the screw rod 4 to rotate reversely, the screw rod 4 is rotated reversely through the thread to move the moving block 5 upward, the moving block 5 drives the tension wheel 6 to move upward, and the distance between the tension wheel 6 and the two wire guide wheels 7 decreases, thereby facilitating the accurate adjustment of the worker according to the size of the current yarn 0 tension. When the material and thickness of the yarn 0 are different, the moving block 5 moves downward while driving the extrusion plate 9 to move downward through the connecting plate 8, the extrusion plate 9 moves downward to extrude one of the sliding rods 10 to move, the compression spring 11 is compressed, the sliding rod 10 moves to drive the ball 12 to contact one side of the wire guide wheel 7, the sliding rod 10 applies pressure to the wire guide wheel 7 through the ball 12, the damping of the wire guide wheel 7 increases during rotation, and the tension of the yarn 0 increases, thereby flexibly adjusting the tension size according to the characteristics of different yarns to facilitate the twisting requirements of various yarns. When the yarn 0 is pulled by the two-for-one twister, the yarn 0 bounces during movement, the yarn 0 is extruded by the limiting block 14 above, the yarn 0 is buffered and limited under the action of the tension spring 15, the yarn 0 is prevented from being separated from the wire guide wheel 7 during movement, the yarn 0 is ensured to be in a suitable tension range, and the production efficiency of the two-for-one twister is improved.
[0043] The application is described in detail above, and the principles and implementation modes of the application are described by applying specific examples. The above description of the examples is only used to help understand the method of the application and its core idea; meanwhile, for those skilled in the art, according to the idea of the application, the specific implementation modes and application ranges will have changes, and the above description should not be understood as a limitation on the application.
Claims
1. A yarn tension device for a doubling twister, characterized in that, include: Base (1) for mounting on a twisting machine; A mounting bracket (2) with a vertical groove is fixed to the base (1); The drive component is mounted on the mounting bracket (2); Tension wheel (6) is mounted on the drive assembly; Two guide wheels (7) are rotatably connected to the mounting bracket (2); Yarn (0) wound on guide wheel (7) and tension wheel (6); A damping assembly is provided on the movable block (5) and the mounting bracket (2); A limiting component is provided on the mounting bracket (2).
2. The yarn tension device of a doubling machine according to claim 1, characterized in that, The drive assembly includes a motor (3) fixed to the top of the mounting bracket (2); a lead screw (4) fixed to the output shaft of the motor (3) and rotatably connected to the mounting bracket (2); and a movable block (5) threadedly connected to the lead screw (4) and slidably connected to the vertical groove of the mounting bracket (2).
3. The yarn tension device of a doubling twister according to claim 2, characterized in that, The damping assembly includes connecting plates (8) fixed to both sides of the moving block (5); two compression plates (9) fixed to the two connecting plates (8); four sliding rods (10) slidably connected to both sides of the mounting frame (2); a compression spring (11) connected between each sliding rod (10) and the mounting frame (2); and a ball bearing (12) installed at one end of each sliding rod (10).
4. The yarn tension device of a doubling machine according to claim 3, characterized in that, The extrusion plate (9) has several inclined surfaces.
5. The yarn tension device of a doubling twister according to claim 4, characterized in that, The limiting component includes a fixed plate (13), and four fixed plates (13) are respectively fixed to both sides of the mounting frame (2); each fixed plate (13) is slidably connected to a limiting block (14), and each limiting block (14) is connected to the fixed plate (13) by a tension spring (15).
6. The yarn tension device of a doubling twister according to claim 5, characterized in that, A limit groove is opened on the limit block (14).