A guide wheel for inhibiting yarn deviation

Abstract

The utility model provides a kind of guiding wheel of inhibiting wire deviation, it is related to fiber production field, including guide wheel and tension compensation component;Guide wheel includes two guides;Guide is in the shape of circular truncated cone;The slope of the generatrix of guide is gradually reduced from top to bottom;The upper bottom surface of two guides is oppositely arranged and is pasted, the axis of two guides is collinear, two guides are integrally formed;Tension compensation component includes two mounting plates, two springs and guide rod;The board surface of two mounting plates is parallel;The both ends of guide rod are fixed with two mounting plates respectively;The axis of guide rod is perpendicular to the board surface of mounting plate;Mounting hole is opened in the axial direction and is penetrated in guide wheel;Guide rod is sleeved in mounting hole;Spring is sleeved outside guide rod;Spring is located between mounting plate and guide wheel.The utility model can solve the problem that wire is deviated on the inner side wall of guide wheel due to wire tension fluctuation in prior art, so as to easily produce the problem of wire jump;Realize avoiding wire jump, inhibit wire deviation.

Description

Technical Field

[0001] This utility model relates to the field of fiber production, and in particular to a guide wheel for suppressing yarn deviation. Background Technology

[0002] In the fiber production process, guide wheels are a frequently used structure that can change the direction of the fibers. For example, a spool is a stage or product form in the fiber processing process. When it needs to be further processed, it needs to be unwound, and guide wheels are used in the unwound process.

[0003] In the prior art, such as the tension buffer device for adjustable chemical fiber disclosed in Chinese patent application number 202310936158.9, there is a guide wheel structure for allowing the fiber to abut against the guide wheel to change the elongation direction.

[0004] During unwinding of the wire roll, the change in the diameter of the coil wound on the side wall causes fluctuations in the wire tension. Mainly, as the diameter of the coil on the wire roll gradually decreases, the wire tension easily increases, thus squeezing the guide wheel. Therefore, under tension, the wire easily shifts from the innermost side 01 of the guide wheel to the outermost side. When the wire changes direction by passing through the guide wheel, it may move along the inner side wall 02 of the guide wheel and detach from the guide wheel at the rim 03 (e.g., Figure 2 As shown, the process of the thread detaching from the guide wheel is called thread skipping; after the thread detaches from the guide wheel, it cannot achieve normal thread turning, which affects the production process. Utility Model Content

[0005] To address the aforementioned problems, this utility model provides a guide wheel for suppressing thread deviation, which solves the problem in the prior art where thread deviation on the inner wall of the guide wheel is caused by thread tension fluctuations, thus easily resulting in thread skipping; thereby avoiding thread skipping and suppressing thread deviation.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: This utility model provides a guide wheel for suppressing yarn deviation, including a guide wheel and a tension compensation assembly; The guide wheel includes two guide members; the guide members are in the shape of a frustum; if the guide members are vertically arranged, the slope of the generatrix of the guide members gradually decreases from top to bottom, forming an arc-shaped sidewall; the upper bottom surfaces of the two guide members are arranged opposite each other, the upper bottom surfaces of the two guide members are in contact, the axes of the two guide members are collinear, and the two guide members are integrally formed. The tension compensation assembly includes two mounting plates, two springs, and a guide rod; the surfaces of the two mounting plates are parallel; both ends of the guide rod are fixed to the two mounting plates respectively; the axis of the guide rod is perpendicular to the surface of the mounting plates; the guide wheel has a through mounting hole along the axial direction; the guide rod is sleeved in the mounting hole; the spring is sleeved outside the guide rod; the spring is located between the mounting plate and the guide wheel.

[0007] The guide wheel for suppressing thread deviation provided by this utility model preferably has several recesses on the arc-shaped sidewall of the guide.

[0008] The guide wheel for suppressing thread deviation provided by this utility model preferably further includes a plurality of elastic paddles; all the elastic paddles are arranged in a circumferential array with the axis of the guide as the center; each elastic paddle includes a straight portion and a curved portion; the curved portion is fixed to the straight portion; the curved portion and the straight portion are integrally formed; if the guide is vertically arranged, the straight portion is fixed to the bottom of the arc-shaped sidewall of the guide; the length direction of the straight portion is the same as the extension direction of the axis of the guide; the curved portion is inclined towards the axis of the guide.

[0009] The above technical solution has the following advantages or beneficial effects: The guide wheel provided by this utility model for suppressing yarn deviation has two frustum-shaped guide members forming an arc-shaped sidewall with a concave center. The design of its generatrix slope gradually decreasing from top to bottom allows the yarn to naturally conform to the area with a large slope change when subjected to tension. The arc-shaped sidewall generates an inward (concave in the middle) constraint force on the yarn, suppressing and limiting the lateral displacement of the yarn to both sides, preventing the yarn from sliding outward along the sidewall, thereby preventing yarn skipping. When the yarn is close to a position where the slope of the guide changes significantly, the yarn tension increases continuously as the yarn unwinds. Although this slows down the yarn's offset, the yarn still tends to slide outwards towards the sidewall, requiring overcoming the resistance that increases with the decreasing slope. At this point, the yarn presses against the guide wheel, which slides along the guide rod and compresses the spring. The spring's elastic restoring force acts in the opposite direction on the yarn through the guide wheel, counteracting the offset thrust caused by the tension and pushing the yarn back to the center of the depression. This further suppresses the lateral displacement of the yarn to both sides, preventing the yarn from detaching from the wheel rim and ensuring production continuity. Simultaneously, the spring's elastic buffering effect prevents excessive yarn stretching caused by increased tension, ensuring the yarn's mechanical properties. The guide wheel can rotate synchronously with the movement of the yarn, converting the sliding friction between the yarn and the side wall of the guide wheel into rolling friction. This reduces the local force imbalance of the yarn caused by uneven friction, avoids dragging and deviation caused by sliding friction, and further improves the stability of the yarn path. At the same time, low friction avoids fuzzing and scratches on the yarn surface, ensuring that the yarn has complete mechanical properties. Existing technologies often result in wire slippage due to tension fluctuations causing the wire to deviate on the inner wall of the guide wheel. The guide wheel provided by this invention suppresses wire deviation by setting the slope of the guide's generatrix to inhibit lateral displacement of the wire. Furthermore, a tension compensation component is incorporated, where the elastic restoring force of the spring acts in the opposite direction on the wire, counteracting the offset thrust caused by tension and further suppressing lateral displacement of the wire to both sides. This prevents the wire from detaching from the wheel rim, thus ensuring continuous production. Attached Figure Description

[0010] The present invention, its features, shape, and advantages will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference numerals denote like parts throughout the drawings. The drawings are not intentionally drawn to scale; the focus is on illustrating the gist of the invention.

[0011] Figure 1 This is a schematic diagram of the main view cross-sectional structure of the guide wheel for suppressing wire deviation provided in Embodiment 1 of this utility model.

[0012] Figure 2 This is a schematic diagram of the front cross-sectional structure of a guide wheel in the prior art. Detailed Implementation

[0013] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0014] Example 1: like Figure 1 As shown, Embodiment 1 of this utility model provides a guide wheel for suppressing yarn deviation, including a guide wheel 1 and a tension compensation component 2; The guide wheel 1 includes two guide members 11; the guide members 11 are in the shape of a frustum; if the guide members 11 are vertically arranged, the slope of the generatrix of the guide members 11 gradually decreases from top to bottom, forming an arc-shaped sidewall; the upper bottom surfaces of the two guide members 11 are arranged opposite each other, the upper bottom surfaces of the two guide members 11 are in contact, the axes of the two guide members 11 are collinear, and the two guide members 11 are integrally formed. The tension compensation assembly 2 includes two mounting plates 21, two springs 22, and a guide rod 23. The surfaces of the two mounting plates 21 are parallel. The two ends of the guide rod 23 are fixed to the two mounting plates 21 respectively. The axis of the guide rod 23 is perpendicular to the surface of the mounting plate 21. The guide wheel 1 has a mounting hole 102 through it along the axial direction. The guide rod 23 is sleeved in the mounting hole 102. The spring 22 is sleeved on the outside of the guide rod 23. The spring 22 is located between the mounting plate 21 and the guide wheel 1.

[0015] When using the guide wheel for suppressing wire deviation provided in Embodiment 1 of this utility model, the mounting plate 21 needs to be fixed to an external device. The moving wire passes through the inward recess in the middle of the guide wheel 1 (near the upper bottom surface of the two guide members 11). During the movement of the wire along its extension direction, the wire is in contact with the arc-shaped sidewall of the guide member 11, and the guide wheel 1 can rotate synchronously with the movement of the wire. When the tension of the wire fluctuates, the wire continuously changes its contact position with the guide member 11 along the arc-shaped sidewall of the guide member 11 until it is in contact with the position where the slope of the guide member 11 changes significantly. At this time, if the wire is to continue to move along the arc-shaped sidewall of the guide member 11, greater tension is required. During the period of increasing tension, the wire will squeeze the guide wheel 1, and the guide wheel 1 will slide along the guide rod 23, thereby squeezing the spring 22 with the mounting plate 21. The spring 22 counteracts the continuously increasing tension until the tension slowly disappears, and the spring 22 adjusts the guide wheel 1 back to its original position.

[0016] The guide wheel for suppressing yarn deviation provided in Embodiment 1 of this utility model has two frustum-shaped guide members 11 forming an arc-shaped sidewall with a concave center. The design of its generatrix slope gradually decreasing from top to bottom allows the yarn to naturally conform to the area with a large slope change when subjected to tension. The arc-shaped sidewall generates an inward (concave in the middle) constraint force on the yarn, suppressing and limiting the lateral displacement of the yarn to both sides, preventing the yarn from sliding outward along the sidewall, thereby preventing yarn skipping. When the wire is close to a position on the guide 11 with a large change in slope, the tension of the wire will continue to increase as the wire roll continues to unwind. Although this slows down the wire's offset process, the wire still tends to slide outwards towards the sidewall, and the resistance that increases with the decrease in slope needs to be overcome. At this time, the wire squeezes the guide wheel 1, and the guide wheel 1 slides along the guide rod 23 and squeezes the spring 22. The elastic restoring force of the spring 22 acts in the opposite direction on the wire through the guide wheel 1, offsetting the offset thrust caused by the tension, and pushing the wire back to the center of the depression, thereby further suppressing the lateral displacement of the wire to both sides, preventing the wire from detaching from the wheel rim, and thus ensuring the continuity of production. At the same time, the elastic buffering effect of the spring 22 prevents the wire from being overstretched due to the increase in tension, ensuring the mechanical properties of the wire. The guide wheel 1 can rotate synchronously with the movement of the thread, converting the sliding friction between the thread and the side wall of the guide wheel 1 into rolling friction, reducing the local force imbalance of the thread caused by uneven friction, avoiding dragging and deviation caused by sliding friction, and further improving the stability of the thread path; at the same time, low friction avoids fuzzing and scratching on the thread surface, ensuring that the thread has complete mechanical properties. Existing technologies often result in wire slippage due to tension fluctuations causing the wire to deviate on the inner wall of the guide wheel. The guide wheel provided in Embodiment 1 of this invention, which suppresses wire deviation, inhibits lateral displacement of the wire by setting the slope of the guide member 11 and includes a tension compensation component 2. The elastic restoring force of the spring 22 acts in the opposite direction on the wire, counteracting the offset thrust caused by tension, further suppressing lateral displacement of the wire to both sides, preventing the wire from detaching from the wheel rim, and thus ensuring production continuity.

[0017] The guide wheel for suppressing wire deviation provided in Embodiment 1 of this utility model preferably has a plurality of concave points 111 on the arc-shaped sidewall of the guide member 11. The concave points 111 form a micro-rough structure on the surface of the arc-shaped sidewall, which increases the actual contact area between the wire and the sidewall, thereby improving the static friction coefficient and slowing down the lateral sliding of the wire along the arc-shaped sidewall.

[0018] The guide wheel for suppressing thread deviation provided in Embodiment 1 of this utility model is preferably designed to prevent thread slippage if the thread moves to the outer edge of the guide member. To further avoid this phenomenon, it also includes several elastic paddles 3. All the elastic paddles 3 are arranged in a circumferential array around the axis of the guide member 11, forming a constraint on the outside of the guide wheel 1 to prevent the thread from slipping out directly. Specifically, the elastic paddle 3 includes a straight portion 31 and a curved portion 32. The curved portion 32 is fixed to the straight portion 31 and is integrally formed with the straight portion 31. If the guide member 11 is vertical... The straight part 31 is fixed to the bottom of the arc-shaped sidewall of the guide 11. The length direction of the straight part 31 is the same as the extension direction of the axis of the guide 11. The curved part 32 is inclined towards the axis of the guide 11. The curved part 32 can hook the wire and limit the wire. When the wire contacts the straight part 31 or the curved part 32, the straight part 31 or the curved part 32 pushes the wire towards the axis through its own elastic restoring force, guiding the deviated wire back to the arc-shaped sidewall, thereby correcting the wire deviation and preventing the wire from sliding out directly, thus blocking the wire skipping path from the end.

[0019] In summary, the guide wheel for suppressing yarn deviation provided by this utility model can solve the problem of yarn deviation on the inner wall of the guide wheel due to yarn tension fluctuations, which easily leads to yarn skipping; thus avoiding yarn skipping and suppressing yarn deviation.

[0020] Those skilled in the art should understand that variations can be implemented by combining existing technology and the above embodiments, and will not be elaborated here. Such variations do not affect the substantive content of this utility model, and will not be elaborated here.

[0021] The preferred embodiments of this utility model have been described above. It should be understood that this utility model is not limited to the specific embodiments described above, and the devices and structures not described in detail should be understood as being implemented in a manner common to the art. Any person skilled in the art can make many possible variations and modifications, or equivalent changes, to the present utility model without departing from its technical solution, and this does not affect the essential content of this utility model. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A guide wheel for suppressing thread deviation, characterized in that, Includes guide wheels and tension compensation components; The guide wheel includes two guide members; the guide members are in the shape of a frustum; if the guide members are vertically arranged, the slope of the generatrix of the guide members gradually decreases from top to bottom, forming an arc-shaped sidewall; the upper bottom surfaces of the two guide members are arranged opposite each other, the upper bottom surfaces of the two guide members are in contact, the axes of the two guide members are collinear, and the two guide members are integrally formed. The tension compensation assembly includes two mounting plates, two springs, and a guide rod; the surfaces of the two mounting plates are parallel; both ends of the guide rod are fixed to the two mounting plates respectively; the axis of the guide rod is perpendicular to the surface of the mounting plates; the guide wheel has a through mounting hole along the axial direction; the guide rod is sleeved in the mounting hole; the spring is sleeved outside the guide rod; the spring is located between the mounting plate and the guide wheel.

2. The guide wheel for suppressing thread deviation as described in claim 1, characterized in that, The guide has several recessed points on its arc-shaped sidewall.

3. The guide wheel for suppressing thread deviation as described in claim 1, characterized in that, It also includes several elastic paddles; all the elastic paddles are arranged in a circular array around the axis of the guide; each elastic paddle includes a straight portion and a curved portion; the curved portion is fixed to the straight portion; the curved portion and the straight portion are integrally formed; if the guide is vertically arranged, the straight portion is fixed to the bottom of the arc-shaped sidewall of the guide; the length direction of the straight portion is the same as the extension direction of the axis of the guide; the curved portion is inclined towards the axis of the guide.

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