A yarn draft take-up mechanism

Abstract

The utility model relates to a winding mechanism technical field, concretely to a yarn drafting winding mechanism. The utility model discloses the worktable that is fixedly connected to the ground by means of bolt, the front of worktable is provided with the take -up roller rotationally connected by means of bearing, the front fixedly connected with the groove block of worktable, the inner wall slidingly connected with the sliding block of groove block, the inner wall of sliding block is installed with third pulley, the inner wall of groove block is provided with the screw rotationally connected by means of bearing, the front of groove block is installed with second motor, second motor control screw rotation, the front both sides fixedly connected with the fixed link of worktable, through setting drafting assembly, when needing to increase the drafting force to yarn, through moving mechanism, make the installation plate in slide rail downlink, make the tensile spring be stretched and change shape, thereby its reverse force pulls the rotating arm, make second pulley pull yarn, and then as far as possible increase the drafting force effect to yarn.

Description

Technical Field

[0001] This utility model relates to the field of winding mechanism technology, and in particular to a yarn drafting and winding mechanism. Background Technology

[0002] The winding mechanism is used to wind up yarn. It consists of a workbench fixed to the ground by bolts, a motor unit, a take-up roller, a grooved block, a slider, a pulley block, a lead screw, a fixed rod, a limit rod, and a rotating arm. When using the winding mechanism, the yarn is passed around the first, second, and third pulleys and then fixed onto a yarn bobbin placed on the take-up roller. The controller then starts the first and second motors. The second motor continuously rotates forward and backward. The first motor is connected to the take-up roller via a reducer and coupling, and the second motor is connected to the lead screw via a reducer and coupling, causing the take-up roller to rotate. Simultaneously, the lead screw rotates, causing the slider to move continuously left and right, thus winding the yarn onto the yarn bobbin. At the same time, the rotating arm on the limit rod and the second pulley, due to their own weight, keep the yarn taut, thus stretching the yarn and maintaining it in a stretched state during winding.

[0003] The inventors discovered in their daily work that when the winding mechanism is in use, the yarn is stretched by the weight of the rotating arm and the second pulley. Since the weight of the rotating arm and the second pulley is constant, it cannot meet the requirement of greater stretching force, which may lead to low adaptability. Utility Model Content

[0004] The purpose of this invention is to solve the problem that in actual use, the yarn is drawn by the weight of the rotating arm and the second pulley, and the weight of the rotating arm and the second pulley is constant, which cannot meet the requirement of greater drawing force, and may lead to low adaptability. Therefore, a yarn drawing and winding mechanism is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a yarn drafting and winding mechanism, comprising a workbench fixedly connected to the ground by bolts, a take-up roller rotatably connected to the front of the workbench by bearings, a grooved block fixedly connected to the front of the workbench, a slider slidably connected to the inner wall of the grooved block, a third pulley installed on the inner wall of the slider, a lead screw rotatably connected to the inner wall of the grooved block by bearings, a second motor installed on the front of the grooved block, the second motor controlling the rotation of the lead screw, fixed rods fixedly connected to both sides of the front of the workbench, a first pulley installed at the other end of the fixed rod, a limit rod fixedly connected to the front of the workbench, a rotating arm rotatably connected to the arc surface of the limit rod by bearings, a second pulley installed on the front of the rotating arm, a drafting assembly provided on the front of the workbench, the drafting assembly including a slide rail opened on the front of the workbench, a mounting plate slidably connected to the inner wall of the slide rail, and a tension spring fixedly connected between the mounting plate and the rotating arm.

[0006] The effect achieved by the above components is as follows: by setting up the drafting assembly, when it is necessary to increase the drafting force on the yarn, the moving mechanism causes the mounting plate in the slide rail to move downward, causing the tension spring to be stretched and deformed, thereby its reverse force pulls the rotating arm, causing the second pulley to pull the yarn, thus maximizing the drafting force on the yarn.

[0007] Preferably, the inner wall of the slide rail is provided with a screw that is rotatably connected by a bearing, and the screw is threadedly connected to the mounting plate.

[0008] The effect achieved by the above components is that turning the screw causes the mounting plate inside the slide rail to move downwards.

[0009] Preferably, a sleeve is rotatably connected to the upper end of the mounting plate, a measuring rod is slidably connected to the inner wall of the sleeve, the arc surface of the measuring rod is provided with a scale, and the measuring rod and the rotating arm are rotatably connected.

[0010] The effect achieved by the above components is as follows: by setting the scale, sleeve and measuring rod, when the mounting plate moves downward, so that it is away from the rotating arm, the measuring rod moves in the sleeve, so that the tension of the tension spring can be obtained by observing the scale, and the tension force can be obtained according to the spring constant of the tension spring.

[0011] Preferably, a pin is inserted into the upper end of the screw, and multiple evenly distributed positioning slots are provided on the upper end of the worktable, with a protrusion on the arc surface of the pin.

[0012] The effect achieved by the above components is to insert the pin into the positioning groove, thereby fixing the screw.

[0013] Preferably, one end of the pin is fixedly connected to an auxiliary spring, and the other end of the auxiliary spring is fixed to the screw.

[0014] The effect achieved by the above components is that by setting an auxiliary spring, the pull pin is pulled and the pin is limited.

[0015] Preferably, the take-up roller has a yarn bobbin on its arc surface, and a fixing component is provided between the yarn bobbin and the take-up roller. The fixing component includes a positioning block that is slidably inserted into the arc surface of the take-up roller and is inserted into the yarn bobbin.

[0016] The effect achieved by the above components is: the yarn bobbin is placed into the take-up roller, and the positioning block is inserted into the yarn bobbin for fixation by the pushing mechanism.

[0017] Preferably, one end of the positioning block is fixedly connected to a push rod, the push rod passes through the take-up roller, the inside of the take-up roller is provided with an operating groove, the inner wall of the operating groove is slidably connected to a push block, one end of the push block is provided with a sliding surface, and the other end of the push block is rotatably connected to a threaded rod.

[0018] The effect achieved by the above components is as follows: turning the threaded rod pushes the push block in the operating groove, which in turn pushes the positioning block with the help of the sliding push rod.

[0019] Preferably, the threaded rod and the take-up roller are threadedly connected, and a return spring is fixedly connected between the positioning block and the take-up roller.

[0020] The effect achieved by the above components is as follows: by setting a reset spring, the positioning block is inserted into the yarn bobbin in a stretched state, the push block is released from the limit of the push rod, the reset spring is reset, and thus the positioning is completely retracted into the take-up roller.

[0021] In summary, the beneficial effects of this utility model are as follows:

[0022] In this invention, by setting up a drafting component, when it is necessary to increase the drafting force on the yarn, the moving mechanism causes the mounting plate inside the slide rail to move downward, causing the tension spring to be stretched and deformed. The reverse force of the spring pulls the rotating arm, causing the second pulley to pull the yarn, thereby maximizing the drafting force on the yarn. This solves the problem that since the drafting of the yarn is achieved by the weight of the rotating arm and the second pulley, and the weight of the rotating arm and the second pulley is constant, it cannot meet the requirement of a larger drafting force, which may lead to low adaptability. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2This is a three-dimensional structural diagram of the drawing assembly of this utility model;

[0025] Figure 3 This utility model Figure 2 An enlarged 3D structural diagram of A in the middle;

[0026] Figure 4 This is a three-dimensional structural diagram of the fixing component of this utility model.

[0027] Legend: 1. Workbench; 2. Drafting assembly; 3. Fixing assembly; 4. Take-up roller; 5. Yarn bobbin; 6. Grooved block; 7. Lead screw; 8. Second motor; 9. Fixing rod; 10. First pulley; 11. Limiting rod; 12. Rotating arm; 13. Second pulley; 14. Third pulley; 15. Sliding block; 21. Slide rail; 22. Mounting plate; 23. Tension spring; 24. Screw; 25. Sleeve; 26. Measuring rod; 27. Scale; 28. Pin; 29. ​​Auxiliary spring; 31. Operating groove; 32. Push block; 33. Sliding surface; 34. Push rod; 35. Positioning block; 36. Return spring; 37. Threaded rod. Detailed Implementation

[0028] Reference Figure 1 As shown, this utility model provides a technical solution: a yarn drafting and winding mechanism includes a workbench 1 fixedly connected to the ground by bolts, a take-up roller 4 rotatably connected to the front of the workbench 1 by bearings, a grooved block 6 fixedly connected to the front of the workbench 1, a slider 15 slidably connected to the inner wall of the grooved block 6, a third pulley 14 installed on the inner wall of the slider 15, a lead screw 7 rotatably connected to the inner wall of the grooved block 6 by bearings, a second motor 8 installed on the front of the grooved block 6, the second motor 8 controlling the rotation of the lead screw 7, fixed rods 9 fixedly connected to both sides of the front of the workbench 1, a first pulley 10 installed at the other end of the fixed rods 9, a limit rod 11 fixedly connected to the front of the workbench 1, a rotating arm 12 rotatably connected to the arc surface of the limit rod 11 by bearings, a second pulley 13 installed on the front of the rotating arm 12, and a drafting assembly 2 on the front of the workbench 1.

[0029] Reference Figure 2 and Figure 3As shown in this embodiment: the drafting assembly 2 includes a slide rail 21 opened on the front of the workbench 1. A mounting plate 22 is slidably connected to the inner wall of the slide rail 21. A tension spring 23 is fixedly connected between the mounting plate 22 and the rotating arm 12. By setting the drafting assembly 2, when it is necessary to increase the drafting force on the yarn, the mounting plate 22 in the slide rail 21 is moved downward by the moving mechanism, so that the tension spring 23 is stretched and deformed, and its reverse force pulls the rotating arm 12, so that the second pulley 13 pulls the yarn, thereby maximizing the drafting force on the yarn. To maintain the yarn in a stretched state during winding, the inner wall of the slide rail 21 is equipped with a screw 24 rotatably connected via a bearing. The screw 24 is threadedly connected to the mounting plate 22. Tightening the screw 24 causes the mounting plate 22 inside the slide rail 21 to descend. A sleeve 25 is rotatably connected to the upper end of the mounting plate 22, and a measuring rod 26 is slidably connected to the inner wall of the sleeve 25. The arc surface of the measuring rod 26 is provided with a scale 27. The measuring rod 26 is rotatably connected to the rotating arm 12. By setting the scale 27, the sleeve 25, and the measuring rod 26, when the mounting plate 22 descends and moves away from the rotating arm 12, the measuring rod... 26 moves within the sleeve 25, allowing the scale 27 to determine the tension of the tension spring 23, thus determining the tension force based on the spring constant of the tension spring 23. A pin 28 is inserted into the upper end of the screw 24, and multiple evenly distributed positioning slots are provided on the upper end of the worktable 1. The arc surface of the pin 28 is provided with a protrusion. Inserting the pin 28 into the positioning slot fixes the screw 24. One end of the pin 28 is fixedly connected to an auxiliary spring 29, and the other end of the auxiliary spring 29 is fixed to the screw 24. By setting the auxiliary spring 29, the pin 28 is pulled, thus limiting the pin 28.

[0030] Reference Figure 1 and Figure 4As shown, in this embodiment: a yarn bobbin 5 is provided on the arc surface of the take-up roller 4, and a fixing component 3 is provided between the yarn bobbin 5 and the take-up roller 4. The fixing component 3 includes a positioning block 35 that is slidably inserted into the arc surface of the take-up roller 4. The positioning block 35 is inserted into the yarn bobbin 5. When the yarn bobbin 5 is placed into the take-up roller 4, the positioning block 35 is inserted into the yarn bobbin 5 and fixed by a pushing mechanism. A push rod 34 is fixedly connected to one end of the positioning block 35. The push rod 34 passes through the take-up roller 4. An operating groove 31 is opened inside the take-up roller 4. A push block 32 is slidably connected to the inner wall of the operating groove 31. One end of the push block 32 has a sliding surface 33, and the other end of the push block 32 is rotatably connected to a threaded rod 37. Tightening the threaded rod 37 pushes the push block 32 in the operating groove 31, which in turn pushes the push rod 34 with the help of the sliding surface 33, thus pushing the positioning block 35. The threaded rod 37 is threadedly connected to the take-up roller 4. A return spring 36 is fixedly connected between the positioning block 35 and the take-up roller 4. By setting the return spring 36, the positioning block 35 is inserted into the yarn bobbin 5 and is in a stretched state. The push block 32 releases the limit on the push rod 34, and the return spring 36 resets, so that the positioning block is completely retracted into the take-up roller 4.

[0031] Working principle:

[0032] When using the take-up mechanism, the yarn is wound around the first pulley 10, the second pulley 13, and the third pulley 14, and then fixed to the yarn bobbin 5 placed on the take-up roller 4. Next, the first motor and the second motor 8 are started by the controller. The second motor 8 (the motor used in this application can be a Huilongfa 1.5KW model) continuously rotates forward and backward. The first motor is connected to the take-up roller 4 through a reducer and a coupling, and the second motor 8 is connected to the lead screw 7 through a reducer and a coupling, causing the take-up roller 4 to rotate. Simultaneously, the lead screw 7 rotates, causing the slider 15 to continuously move left and right. The yarn is moved to wind onto the yarn spool 5. At the same time, the rotating arm 12 and the second pulley 13 on the limiting rod 11 keep the yarn taut due to their own weight, thus stretching the yarn and keeping it in a stretched state for winding. When it is necessary to increase the stretching force on the yarn, the screw 24 is turned, causing the mounting plate 22 in the slide rail 21 to move downward, causing the tension spring 23 to be stretched and deformed. Its reverse force pulls the rotating arm 12, causing the second pulley 13 to pull the yarn, thereby maximizing the stretching force on the yarn. While keeping the yarn stretched during winding, a scale 27, sleeve 25, and measuring rod 26 are used. As the mounting plate 22 moves downwards and away from the rotating arm 12, the measuring rod 26 moves within the sleeve 25, allowing the scale 27 to indicate the stretch of the tension spring 23. Based on the spring constant of the tension spring 23, the tension force is determined. The pin 28 is inserted into the positioning groove to fix the screw 24. An auxiliary spring 29 is used to pull the pin 28, providing auxiliary limiting. The yarn bobbin 5 is then placed into the take-up roller 4 and twisted. The threaded rod 37 (for loose threaded rod 37, this application can also use glue to glue the thread; when it needs to be removed, melt the glue at high temperature and then unscrew it forcefully) pushes the push block 32 in the operating groove 31, which in turn pushes the push rod 34 with the help of the sliding surface 33, thus pushing the positioning block 35, which is inserted into the yarn bobbin 5 for fixation. By setting a return spring 36, the positioning block 35 is inserted into the yarn bobbin 5 in a stretched state, releasing the limit of the push rod 34 by the push block 32, and the return spring 36 returns to its original position, so that the positioning block is completely retracted into the take-up roller 4.

[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may use the disclosed technical content to make changes or modifications to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. A yarn drafting and winding mechanism, comprising a workbench (1) fixedly connected to the ground by bolts, characterized in that: The front of the workbench (1) is provided with a take-up roller (4) rotatably connected by a bearing. A grooved block (6) is fixedly connected to the front of the workbench (1). A slider (15) is slidably connected to the inner wall of the grooved block (6). A third pulley (14) is installed on the inner wall of the slider (15). A lead screw (7) is rotatably connected by a bearing on the inner wall of the grooved block (6). A second motor (8) is installed on the front of the grooved block (6). The second motor (8) controls the rotation of the lead screw (7). Fixed rods (9) are fixedly connected to both sides of the front of the workbench (1). A first pulley (10) is installed at one end. A limit rod (11) is fixedly connected to the front of the worktable (1). A rotating arm (12) is provided on the arc surface of the limit rod (11) and rotated by means of a bearing. A second pulley (13) is installed on the front of the rotating arm (12). A stretching assembly (2) is provided on the front of the worktable (1). The stretching assembly (2) includes a slide rail (21) opened on the front of the worktable (1). A mounting plate (22) is slidably connected to the inner wall of the slide rail (21). A tension spring (23) is fixedly connected between the mounting plate (22) and the rotating arm (12).

2. The yarn drafting and winding mechanism according to claim 1, characterized in that: The inner wall of the slide rail (21) is provided with a screw (24) that is rotatably connected by a bearing, and the screw (24) is threadedly connected to the mounting plate (22).

3. The yarn drafting and winding mechanism according to claim 2, characterized in that: The upper end of the mounting plate (22) is rotatably connected to a sleeve (25), and a measuring rod (26) is slidably connected to the inner wall of the sleeve (25). The arc surface of the measuring rod (26) is provided with a scale (27), and the measuring rod (26) and the rotating arm (12) are rotatably connected.

4. The yarn drafting and winding mechanism according to claim 3, characterized in that: The upper end of the screw (24) is provided with a pin (28), and the upper end of the worktable (1) is provided with multiple evenly distributed positioning slots. The arc surface of the pin (28) is provided with a protrusion.

5. A yarn drafting and winding mechanism according to claim 4, characterized in that: One end of the pin (28) is fixedly connected to an auxiliary spring (29), and the other end of the auxiliary spring (29) is fixed to the screw (24).

6. A yarn drafting and winding mechanism according to claim 5, characterized in that: The take-up roller (4) has a yarn bobbin (5) on its arc surface. A fixing component (3) is provided between the yarn bobbin (5) and the take-up roller (4). The fixing component (3) includes a positioning block (35) that is slidably inserted into the arc surface of the take-up roller (4). The positioning block (35) is inserted into the yarn bobbin (5).

7. A yarn drafting and winding mechanism according to claim 6, characterized in that: One end of the positioning block (35) is fixedly connected to a push rod (34), the push rod (34) passes through the take-up roller (4), the inside of the take-up roller (4) is provided with an operating groove (31), the inner wall of the operating groove (31) is slidably connected to a push block (32), one end of the push block (32) is provided with a sliding surface (33), and the other end of the push block (32) is rotatably connected to a threaded rod (37).

8. A yarn drafting and winding mechanism according to claim 7, characterized in that: The threaded rod (37) and the take-up roller (4) are threadedly connected, and a return spring (36) is fixedly connected between the positioning block (35) and the take-up roller (4).

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