A plastic flat yarn winding device

Abstract

This utility model relates to a plastic flat yarn winding device, including a support shaft, a frame support plate fixed to both ends of the support shaft, and a winding support arm fixed to one side of the support shaft. A winding air shaft is rotatably connected to the winding support arm. The winding air shaft is arranged parallel to the upper side of the support shaft. A passive synchronous wheel is keyed to one end of the winding air shaft. A sliding support base plate is axially fixed to the support shaft. A sliding frame and a sliding drive mechanism for driving the sliding frame to slide are slidably arranged on the sliding support base plate. The sliding frame is provided with a flat yarn moving bracket for the plastic flat yarn to pass through. This structure effectively avoids the problems of flat yarn accumulation and uneven winding caused by traditional fixed yarn exit methods, significantly improves the neatness and density of winding, prevents yarn skipping, yarn breakage or tangling in subsequent use, and improves winding quality and production continuity.

Description

Technical Field

[0001] This utility model relates to the technical field of plastic flat wire processing equipment, and in particular to a plastic flat wire winding device. Background Technology

[0002] Plastic flat yarn is a type of chemical fiber monofilament with a flat cross-section, also known as cut fiber, and is a basic raw material in the plastic weaving industry. It is typically made from thermoplastic resins such as polypropylene (PP) or polyethylene (PE) through processes including melt extrusion into film, longitudinal slitting, heated stretching and orientation, and setting. In the production of plastic woven fabrics, the quality and winding effect of the flat yarn directly affect the stability of subsequent weaving processes and the performance of the final product.

[0003] Currently, on plastic flat yarn production lines, the shaped flat yarn needs to be wound onto a winding drum (such as a paper core or plastic core) by a winding device for storage, transportation, and subsequent processing. However, existing winding devices generally have a prominent problem: the output direction of the flat yarn from the drawing and shaping system is fixed, and if there is no effective lateral yarn guiding mechanism during the high-speed rotation of the winding drum, the flat yarn will continuously accumulate in the same position, resulting in localized excessive thickness, uneven ends, and misaligned layers in the wound flat yarn roll. This disordered winding not only causes irregular roll shape and uneven density, affecting aesthetics and storage efficiency, but more seriously, it easily leads to problems such as yarn skipping, yarn breakage, uneven unwinding resistance, and even yarn tangling and jamming during subsequent unwinding and use, seriously affecting the continuity of weaving production and product quality.

[0004] Therefore, in order to solve the above-mentioned technical problems, there is an urgent need to provide a device that can achieve uniform, orderly, and automatic arrangement and winding of flat yarns, so as to improve the winding quality, ensure the uniformity of the roll density, effectively avoid the failure of the unwinding process in the subsequent use, and improve the automation level and operational stability of the entire plastic weaving production line. Utility Model Content

[0005] This invention proposes a plastic flat yarn winding device that can achieve uniform, orderly, and automatic arrangement and winding of flat yarns, solving the aforementioned problems existing in the use of existing technologies.

[0006] The technical solution of this utility model is implemented as follows: A plastic flat yarn winding device includes a support shaft, a frame support plate fixed to both ends of the support shaft, and a winding support arm fixed to one side of the support shaft. A winding air shaft is rotatably connected to the winding support arm. The winding air shaft is arranged parallel to the upper side of the support shaft. A passive synchronous wheel is keyed to one end of the winding air shaft. A sliding support base plate is axially fixed to the support shaft. A sliding frame and a sliding drive mechanism for driving the sliding frame to slide are slidably arranged on the sliding support base plate. A flat yarn moving bracket for the plastic flat yarn to pass through is provided on the sliding frame.

[0007] Preferably, the flat wire moving bracket includes a limiting plate, and two limiting plates are provided. A limiting rod is provided between the two limiting plates. There are two limiting rods, and both ends of the two limiting rods are rotatably connected to the two limiting plates respectively. There is a plastic flat wire passage gap between the two limiting rods.

[0008] Preferably, the flat wire moving bracket is slidably fitted onto the sliding frame, and a drive cylinder is fixedly connected to the sliding frame, with the piston rod of the drive cylinder connected to the flat wire moving bracket.

[0009] Preferably, a first slide rail is connected to the sliding frame, and a first slider for sliding cooperation with the first slide rail is connected to the flat wire moving bracket.

[0010] Preferably, a number of clamps are welded and fixed on the sliding support base plate, and the clamps are locked onto the support shaft.

[0011] Preferably, a second slide rail is fixedly provided on the sliding support base plate along its length direction, and a second slider for sliding engagement on the second slide rail is fixed on the sliding frame.

[0012] Preferably, the sliding drive mechanism includes a motor, a lead screw, and a nut seat. The lead screw is rotatably engaged with both ends of the sliding support base plate. The motor is fixed to one of the frame support plates and connected to the lead screw. The nut seat is fixed to the sliding frame and threadedly engaged with the lead screw.

[0013] In summary, the beneficial effects of this utility model are as follows: 1. This utility model constructs a stable and reliable winding structure by setting up a support shaft, a frame support plate, a winding support arm, and a winding air shaft. The winding air shaft is arranged parallel to the upper side of the support shaft and achieves synchronous transmission with an external drive source (such as a winding motor) through a passive synchronous pulley, ensuring stable and reliable transmission of winding power. In particular, by fixing a sliding support base plate on the support shaft and setting a sliding frame and sliding drive mechanism on it, in conjunction with the flat yarn moving bracket on the sliding frame, the plastic flat yarn can move axially back and forth with the sliding frame during the winding process, thereby achieving uniform distribution of the flat yarn on the winding drum (paper core or plastic core). This structure effectively avoids the problems of flat yarn accumulation and uneven winding caused by traditional fixed yarn exit methods, significantly improves winding neatness and density, prevents yarn skipping, yarn breakage, or yarn tangling in subsequent use, and improves winding quality and production continuity.

[0014] 2. The flat wire moving bracket adopts a through-passage structure composed of double limiting plates and two limiting rods, forming a stable through-passage gap for the plastic flat wire. This structure can not only effectively guide and limit the flat wire, but also the two limiting rods are rotatably connected between the limiting plates, which can rotate slightly with the movement of the flat wire as it passes through, reducing frictional resistance and avoiding surface damage or tensile deformation of the flat wire due to scratching.

[0015] 3. The flat yarn moving bracket is slidably mounted on the sliding frame and connected to it via a drive cylinder, enabling automatic adjustment of the flat yarn moving bracket along the radial direction of the support shaft. As the number of flat yarn layers on the winding drum increases and the roll diameter continues to increase, the drive cylinder can automatically push the flat yarn moving bracket outward according to a preset program or sensor feedback, ensuring that the flat yarn always enters the winding area at a suitable inlet angle, guaranteeing stable tension and tight interlayer adhesion. This design effectively solves the problems of wrinkles, loosening, or mis-layering caused by changes in the inlet angle when winding large-diameter rolls, further improving winding quality and the consistency of the roll material's appearance. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a first structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the second structure of the present invention; Figure 3 This is a schematic diagram of the third structure of this utility model; Figure 4This is a schematic diagram of the fourth structure of this utility model.

[0018] In the diagram: 1. Support shaft; 2. Frame support plate; 3. Rewinding support arm; 4. Rewinding air shaft; 41. Passive synchronous pulley; 5. Sliding support base plate; 51. Clamp; 52. Second slide rail; 53. Second slider; 6. Sliding frame; 61. First slide rail; 62. First slider; 7. Flat wire moving bracket; 71. Limiting plate; 72. Limiting rod; 73. Plastic flat wire passing gap; 74. Drive cylinder; 81. Motor; 82. Lead screw; 83. Nut seat. Detailed Implementation

[0019] The following will refer to the appendix in the embodiments of this utility model. Figure 1-4 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] Example: like Figures 1 to 4As shown, this utility model discloses a plastic flat yarn winding device. The overall structure is installed at the end of a plastic flat yarn production line and is used to orderly and uniformly wind up the plastic flat yarn after it has been drawn and shaped. The main structure of the device includes a horizontally arranged support shaft 1 and frame support plates 2 fixed to both ends of the support shaft 1. The two frame support plates 2 are fixed to the main frame of the production line by bolts or other fasteners to ensure the overall stability of the device. On one side of the support shaft 1, a winding support arm 3 is fixed. The winding support arm 3 can be firmly installed on the support shaft 1 by welding or bolting, and its extension direction is perpendicular to the support shaft 1. The free end of the winding support arm 3 is provided with a bearing seat. The winding air expansion shaft 4 is rotatably connected to the bearing seat through the bearing, and the axis of the winding air expansion shaft 4 is parallel to the support shaft 1 and located above the support shaft 1, forming a reasonable spatial layout to facilitate the introduction of flat yarn. The take-up air shaft 4 is a common type of air-expanding core shaft in the prior art. One end of the take-up air shaft 4 is rotatably connected to an air pipe, and its outer surface is provided with a rubber sleeve or metal expansion block that can expand under air pressure to clamp the paper core or plastic core. When it is necessary to install the core, the hollow core cylinder is fitted onto the take-up air shaft 4, and then air is supplied to the take-up air shaft 4 through an air pipe connected to an external air source, causing its outer diameter to expand, thereby achieving a firm fixation of the core. One end of the take-up air shaft 4 is keyed to a passive synchronous pulley 41, which is driven by a synchronous belt to the active synchronous pulley at the output end of the take-up motor installed on the production line. When the take-up motor starts, the power is transmitted to the passive synchronous pulley 41 through the synchronous belt, thereby driving the take-up air shaft 4 to rotate, realizing the take-up action of the plastic flat yarn. The structure and connection of the take-up air shaft 4 are common knowledge to those skilled in the art.

[0021] A sliding support base plate 5 is fixedly connected to the support shaft 1 along its axial direction. At least three clamps 51 are welded and fixed to the sliding support base plate 5, which are locked and fixed to the support shaft 1 by the multiple clamps 51 to ensure a firm fixation between the sliding support base plate 5 and the support shaft 1. The sliding support base plate 5 is generally elongated and extends along the axial direction of the support shaft 1. A sliding frame 6 and a sliding drive mechanism for driving the sliding frame 6 to slide are slidably arranged on the sliding support base plate 5, and the sliding frame 6 is provided with a flat wire moving bracket 7 for the plastic flat wire to pass through.

[0022] Specifically, the flat wire moving bracket 7 includes two limiting plates 71. A limiting rod 72 is provided between the two limiting plates 71, with both ends of the limiting rod 72 rotatably connected to the two limiting plates 71 via bearings or bushings. The space between the two limiting rods 72 forms a plastic flat wire passage gap 73 for the plastic flat wire to pass through from bottom to top. The limiting rod 72 can rotate slightly as the flat wire passes through, effectively reducing friction between the flat wire and the guide rod, preventing scratches on the flat wire surface or stretching deformation due to excessive resistance. The flat wire moving bracket 7 is slidably engaged with the first slide rail 61 on the sliding frame 6 via a first slider 62, allowing it to slide and adjust along the direction perpendicular to the support shaft 1 (i.e., radial direction) on the sliding frame 6. A drive cylinder 74 is fixedly connected to the sliding frame 6, and the piston rod of the drive cylinder 74 is connected to the flat wire moving bracket 7. As the winding process progresses, the roll diameter gradually increases. Based on a preset program or the roll diameter signal from an external sensor (such as a laser rangefinder), the drive cylinder 74 gradually extends its piston rod, pushing the flat yarn moving bracket 7 outwards. This ensures that the guide angle of the plastic flat yarn remains within the optimal range. This radial adaptive adjustment function ensures that the flat yarn remains tightly packed and evenly layered during large-diameter winding, avoiding defects such as loose winding, wrinkles, or tapered rolls.

[0023] The specific structure of the sliding frame 6, which is slidably mounted on the sliding support base plate 5, is as follows: a second slide rail 52 is fixedly mounted on the sliding support base plate 5 along its length, and a second slider 53 is fixedly mounted on the sliding frame 6 for sliding engagement with the second slide rail 52. Through the sliding engagement between the second slider 53 and the second slide rail 52, the sliding frame 6 can perform smooth linear reciprocating motion along the sliding support base plate 5.

[0024] The sliding of the slide frame 6 is driven by a sliding drive mechanism. This mechanism includes a motor 81 (specifically a servo motor 81), a lead screw 82, and a nut seat 83. The servo motor 81 is fixedly mounted on the outside of one of the frame support plates 2, and its output shaft is connected to one end of the lead screw 82 via a coupling. The two ends of the lead screw 82 are rotatably supported by bearing seats on the two ends of the sliding support base plate 5 to ensure smooth rotation. The nut seat 83 is fixedly connected to the bottom of the slide frame 6 and threadedly engages with the lead screw 82. When the servo motor 81 rotates forward or reverse, the lead screw 82 rotates accordingly, driving the nut seat 83 and the entire slide frame 6 to reciprocate linearly along the second slide rail 52 via threaded transmission. By programming and controlling the speed, direction, and running time of the servo motor 81, the moving speed, stroke, and reciprocating frequency of the slide frame 6 can be precisely adjusted to adapt to the process requirements of different widths and different winding speeds.

[0025] In actual use, the operator first places the empty paper core or plastic core onto the take-up air shaft 4 and locks it in place by introducing air pressure. Then, the plastic flat yarn output from the shaping device passes through the passage gap of the flat yarn moving bracket 7 and the end of the flat yarn is fixed to the core. The take-up motor 81 and the sliding drive mechanism are started, and the take-up air shaft 4 begins to rotate for take-up. At the same time, the servo motor 81 drives the lead screw 82 to drive the sliding frame 6 to reciprocate along the second slide rail 52, thereby making the flat yarn evenly distributed axially on the take-up drum. Meanwhile, the drive cylinder 74 adjusts the position of the flat yarn moving bracket 7 in real time according to the increase in roll diameter to ensure that the take-up quality remains stable. The entire device has a compact structure, runs smoothly, and has a high degree of automation. It can effectively solve the problems of disordered flat yarn arrangement and irregular roll shape in traditional take-up methods, and significantly improve the take-up quality and subsequent unwinding performance.

[0026] It should also be noted that the terms used in this utility model, such as "front", "rear", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0027] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A plastic flat filament winding device, characterized in that: The device includes a support shaft, frame support plates fixed to both ends of the support shaft, and a winding support arm fixed to one side of the support shaft. A winding air shaft is rotatably connected to the winding support arm. The winding air shaft is arranged parallel to the upper side of the support shaft. A passive synchronous pulley is keyed to one end of the winding air shaft. A sliding support base plate is axially fixed to the support shaft. A sliding frame and a sliding drive mechanism for driving the sliding frame to slide are slidably arranged on the sliding support base plate. The sliding frame is provided with a flat wire moving bracket for plastic flat wires to pass through.

2. The plastic flat filament winding device according to claim 1, characterized in that: The flat wire moving bracket includes two limiting plates, and a limiting rod is provided between the two limiting plates. There are two limiting rods, and both ends of the two limiting rods are rotatably connected to the two limiting plates respectively. There is a plastic flat wire passage gap between the two limiting rods.

3. The plastic flat filament winding device according to claim 2, characterized in that: The flat wire moving bracket is slidably fitted onto the sliding frame, and a drive cylinder is fixedly connected to the sliding frame. The piston rod of the drive cylinder is connected to the flat wire moving bracket.

4. A plastic flat filament winding device according to claim 3, characterized in that: The sliding frame is connected to a first slide rail, and the flat wire moving bracket is connected to a first slider for sliding cooperation with the first slide rail.

5. A plastic flat filament winding device according to claim 1, characterized in that: Several clamps are welded and fixed to the sliding support base plate, and the clamps are locked onto the support shaft.

6. The plastic flat filament winding device according to claim 1, characterized in that: A second slide rail is fixedly provided on the sliding support base plate along its length direction, and a second slider for sliding engagement on the second slide rail is fixed on the sliding frame.

7. A plastic flat filament winding device according to claim 6, characterized in that: The sliding drive mechanism includes a motor, a lead screw, and a nut seat. The lead screw is rotatably fitted on both ends of the sliding support base plate. The motor is fixed on one of the frame support plates and connected to the lead screw. The nut seat is fixed on the sliding frame and threadedly fitted to the lead screw.

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