Yarn spreading device

Abstract

The utility model discloses a yarn spreading device, which relates to the technical field of yarn spreading equipment and comprises a bottom plate, a plurality of groups of conveying mechanisms arranged at equal intervals are mounted on the upper side of the bottom plate, two groups of symmetrically arranged second vertical plates are fixedly connected between the two groups of conveying mechanisms, and a fixing cylinder is fixedly connected between the two groups of second vertical plates. And a vibrating mechanism is installed on the inner side of the fixing cylinder, a third motor is fixedly connected to the outer portion of one set of second vertical plates, a second rotating rod is fixedly connected to one side of the third motor, the second rotating rod is rotationally connected between the two sets of second vertical plates, and a scraping and separating mechanism is installed on the outer portion of the second rotating rod. According to the device, the rotating plate presses the elastic shifting piece to instantly release kinetic energy, the vibration striking rod is driven to knock the barrel at high frequency to generate micro vibration, wound yarn is efficiently vibrated and dispersed, single-layer yarn is precisely combed in cooperation with the rotating rigid brush, the stepped conveying design is combined, the three-stage synergistic effect of vibration separation, precise combing and smooth output is achieved, and the yarn separation efficiency is improved. And the yarn spreading uniformity and continuity are obviously improved.

Description

Technical Field

[0001] This utility model relates to the field of yarn spreading equipment technology, and more specifically, to a yarn spreading device. Background Technology

[0002] In the preparation of glass fiber composites, yarn stacking directly affects the uniformity of resin impregnation and fiber distribution density. Stacked areas are prone to forming localized resin-rich zones or dry spots, leading to stress concentration and structural defects within the composite material, significantly reducing the mechanical properties and service reliability of the product. Therefore, ensuring that the yarns are tightly packed in a single layer without overlap is a core prerequisite for achieving high-performance composite material preparation.

[0003] Glass fiber filaments have a smooth surface and are prone to static electricity, making them extremely susceptible to entanglement and stacking during the unwinding process. The challenge lies in simultaneously meeting two conflicting requirements: on the one hand, the entangled yarns must be completely separated to eliminate overlapping defects; on the other hand, the high-density, tight-fitting state of the separated yarns must be maintained to ensure uniform resin penetration and fiber volume ratio in subsequent processes. Existing technologies struggle to balance both aspects, becoming a key bottleneck restricting product quality improvement. Therefore, to address the aforementioned technical issues, a yarn unwinding device is proposed here. Utility Model Content

[0004] The purpose of this invention is to provide a yarn spreading device that uses a rotating plate to press an elastic paddle to release kinetic energy instantaneously, driving a vibrating rod to strike the cylinder at high frequency to generate micro-vibrations, which efficiently disperses the tangled yarn. Combined with a rotating rigid brush for precise combing of single-layer yarn, and a stepped conveying design, it achieves a three-level synergistic effect of vibration separation, precise combing, and smooth output, significantly improving the uniformity and continuity of yarn spreading.

[0005] This utility model is achieved through the following technical solution:

[0006] A yarn spreading device includes a base plate. Multiple sets of equally spaced conveying mechanisms are installed on the upper side of the base plate. Two sets of symmetrically arranged second upright plates are fixedly connected between two sets of conveying mechanisms. A fixed cylinder is fixedly connected between the two sets of second upright plates. A vibration mechanism is installed inside the fixed cylinder. A third motor is fixedly connected to the outside of one set of second upright plates. A second rotating rod is fixedly connected to one side of the third motor. The second rotating rod is rotatably connected between the two sets of second upright plates and is located directly above the fixed cylinder. A scraping mechanism is installed outside the second rotating rod.

[0007] Preferably, the conveying mechanism includes a first upright plate, a first motor, a rotating shaft, and rollers. The first upright plate is fixedly connected to the upper side of the base plate, and there are two sets of the first upright plates arranged symmetrically. The first motor is fixedly connected to the outside of one set of the first upright plates.

[0008] Preferably, the rotating shaft is rotatably connected between the two sets of the first upright plates, and the rotating shaft is fixedly connected to the first motor, and the roller is fixedly connected to the outside of the rotating shaft.

[0009] Preferably, the upper end face of the fixed cylinder is flush with the upper surface of the roller.

[0010] Preferably, the vibration mechanism includes a first rotating rod, a rotating plate, an elastic paddle, and a vibration rod. The first rotating rod is rotatably connected between two sets of second vertical plates, and the first rotating rod coincides with the axis of the fixed cylinder. The rotating plate is fixedly connected to the outside of the first rotating rod. The elastic paddle is fixedly connected to the inside of the fixed cylinder, and the elastic paddle matches and abuts against the rotating plate. The vibration rod is fixedly connected to the outside of the elastic paddle and is installed at an angle, and the end of the vibration rod is close to the inner surface of the fixed cylinder.

[0011] Preferably, a second motor is fixedly connected to the outside of one of the second upright plates, and the first rotating rod is fixedly connected to the second motor.

[0012] Preferably, the scraping mechanism includes a fixed plate and a rigid brush. The fixed plate is fixedly connected to the outside of the second rotating rod, and the rigid brush is fixedly connected to the end of the fixed plate. The rigid brush is tangent to the upper end face of the fixed cylinder, and the spacing of the rigid brush matches the yarn diameter.

[0013] Preferably, a vertical pole is fixedly connected to the tail end of the base plate, and a yarn spreading platform is fixedly connected to the upper side of the vertical pole, with the upper surface of the yarn spreading platform slightly lower than the upper end surface of the roller.

[0014] The technical solution of this utility model has at least the following beneficial effects:

[0015] This invention proposes a yarn spreading device that generates high-frequency micro-vibrations through instantaneous elastic energy storage and release, effectively dispersing electrostatic adsorption and entanglement between glass fiber filaments and completely eliminating stacking defects. Simultaneously, it is combined with the precise spacing combing of a rotating rigid brush to maintain a high-density and tight arrangement while separating individual yarns, ensuring that the yarn layers achieve a seamless and zero-overlapping state. In addition, the stepped conveying design ensures a smooth transition of the yarns, avoiding secondary entanglement. Operators can observe the uniformity of yarn spreading in real time, and the entire process achieves efficient separation and precise arrangement simultaneously without complex control. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the second overall structure of the present invention;

[0018] Figure 3 for Figure 2 Enlarged view of A in the middle;

[0019] Figure 4 This is a partial front sectional view of the present invention;

[0020] Figure 5 for Figure 4 Enlarged view of B in the middle;

[0021] Figure 6 for Figure 2 Enlarged view of C;

[0022] Figure 7 This is a partially enlarged view of the present invention;

[0023] Reference numerals in the attached diagram: 1. Base plate; 2. First upright plate; 3. First motor; 4. Rotating shaft; 5. Roller; 6. Second upright plate; 7. Fixed cylinder; 8. Second motor; 9. First rotating rod; 10. Rotating plate; 11. Elastic lever; 12. Vibrating rod; 13. Third motor; 14. Second rotating rod; 15. Fixed plate; 16. Rigid brush; 17. Upright pole; 18. Yarn spreading table. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-7 This utility model proposes a yarn spreading device, comprising a base plate 1 as the supporting foundation of the entire device. Multiple sets of equally spaced conveying mechanisms are installed on the upper side of the base plate 1 for stable yarn conveying. The conveying mechanism includes a first upright plate 2 as a supporting frame, a first motor 3 providing power output, a rotating shaft 4 as a transmission component, and rollers 5 as the yarn carrying surface. The first upright plates 2 are fixedly connected to the upper side of the base plate 1 to form a stable support structure. There are two sets of first upright plates 2 arranged symmetrically to ensure balanced force distribution. The first motor 3 is fixedly connected to the outside of one set of first upright plates 2 to achieve power transmission. The rotating shaft 4 is rotatably connected between the two sets of first upright plates 2 to form a rotational support. The rotating shaft 4 and the first motor 3 are fixedly connected to achieve power transmission. The rollers 5 are fixedly connected to the outside of the rotating shaft 4 as the yarn conveying contact surface. The upper end face of the fixed cylinder 7 is flush with the upper surface of the rollers 5 to form a continuous conveying plane.

[0026] Two sets of symmetrically arranged second vertical plates 6 are fixedly connected between the two sets of conveying mechanisms, forming the mounting frame of the vibration mechanism. A fixed cylinder 7 is fixedly connected between the two sets of second vertical plates 6 as a vibration transmission component. An impact mechanism is installed on the inner side of the fixed cylinder 7 to generate a vibration effect. The impact mechanism includes a first rotating rod 9 as a power input shaft, a rotating plate 10 as a prying component, an elastic paddle 11 as an energy storage element, and an impact rod 12 as a striking component. The first rotating rod 9 is rotatably connected between the two sets of second vertical plates 6 to form a rotational support, and the first rotating rod 9 and the axis of the fixed cylinder 7 coincide to ensure motion balance. The rotating plate 10 is fixedly connected to the outside of the first rotating rod 9 to form a prying surface, and the elastic paddle 11 is fixedly connected to the inside of the fixed cylinder 7 as an elastic energy storage element. The elastic paddle 11 and the rotating plate 10 are matched and abutted to form a periodic prying relationship. The vibrating rod 12 is fixedly connected to the outside of the elastic lever 11 and is installed at an angle to form a striking lever. The end of the vibrating rod 12 is close to the inner side of the fixed cylinder 7 to achieve vibration transmission. A second motor 8 is fixedly connected to the outside of one set of second upright plates 6 to provide driving force, and the first rotating rod 9 is fixedly connected to the second motor 8 to ensure power transmission.

[0027] One set of second vertical plates 6 is externally fixedly connected to a third motor 13 to provide combing power. A second rotating rod 14 is fixedly connected to one side of the third motor 13 as a transmission main shaft. The second rotating rod 14 is rotatably connected between the two sets of second vertical plates 6 to form a rotational support, and the second rotating rod 14 is located directly above the fixed cylinder 7 to form the combing working position. A scraping mechanism is installed on the outside of the second rotating rod 14 for yarn separation. The scraping mechanism includes a fixed plate 15 as a mounting bracket and a rigid brush 16 as a combing element. The fixed plate 15 is fixedly connected to the outside of the second rotating rod 14 to form a support structure. The rigid brush 16 is fixedly connected to the end of the fixed plate 15 as a combing execution component, and the rigid brush 16 is tangential to the upper end face of the fixed cylinder 7 to form effective combing contact. The spacing of the rigid brush 16 matches the yarn diameter to ensure separation accuracy.

[0028] A support pole 17 is fixedly connected to the tail end of the base plate 1 as a support column for the yarn spreading platform 18. The yarn spreading platform 18 is fixedly connected to the upper side of the support pole 17 as a yarn observation platform. The upper surface of the yarn spreading platform 18 is slightly lower than the upper end surface of the roller 5 to form a smooth transition for easy observation of the yarn condition.

[0029] The working principle of a yarn spreading device based on an embodiment is as follows: First, the yarn made of fiber filaments is laid out on the upper surface of rollers 5 and fixed cylinder 7 arranged at equal intervals. Then, the second motor 8 is started to drive the first rotating rod 9 to rotate, which drives the rotating plate 10 fixed to the outside to periodically abut against the elastic lever 11 on the inner side of the fixed cylinder 7. When the rotating plate 10 presses the elastic lever 11 to the critical deformation and then disengages from it, the elastic lever 11 quickly returns to its original position due to its own elasticity and inertia. At the same time, it drives the vibrating rod 12 at its end to hit the inner wall of the fixed cylinder 7. This impact causes the fixed cylinder 7 to generate high-frequency micro-vibration. The vibration energy is transmitted to the surface yarn through the cylinder, which shakes and separates the piled and tangled yarn, achieving the initial yarn spreading effect and effectively avoiding yarn entanglement.

[0030] Then, the third motor 13 is started, driving the second rotating rod 14 to rotate the rigid brush 16 at the end of the fixed plate 15. Since the rigid brush 16 is tangent to the upper surface of the fixed cylinder 7 and the spacing matches the yarn diameter, the yarn is rigidly combed during the rotation, further separating the stacked yarn bundles, ensuring that the yarn is in a single-layer discrete state, laying the foundation for the subsequent winding process.

[0031] Finally, the first motor 3 of each group is started, which drives the roller 5 to rotate synchronously through the rotating shaft 4, so that the yarn that has completed the spreading and combing is output smoothly. When the yarn is conveyed to the spreading table 18 at the end, because the upper surface of the spreading table 18 is slightly lower than the upper surface of the roller 5, the operator can directly observe the flatness of the yarn. After confirming the neatness of the combing, the yarn enters the subsequent winding process. The whole process significantly improves the yarn spreading quality and production efficiency through the three-level synergistic effect of vibration separation, mechanical combing and smooth conveying.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A yarn-spreading device, characterized in that: Includes a base plate (1), on the upper side of which are installed multiple sets of equally spaced conveying mechanisms. Two sets of symmetrically arranged second vertical plates (6) are fixedly connected between two sets of conveying mechanisms. A fixed cylinder (7) is fixedly connected between the two sets of second vertical plates (6). A vibration mechanism is installed on the inner side of the fixed cylinder (7). A third motor (13) is fixedly connected to the outside of one set of second vertical plates (6). A second rotating rod (14) is fixedly connected to one side of the third motor (13). The second rotating rod (14) is rotatably connected between the two sets of second vertical plates (6) and is located directly above the fixed cylinder (7). A scraping mechanism is installed on the outside of the second rotating rod (14).

2. The yarn spreading device according to claim 1, characterized in that: The conveying mechanism includes a first upright plate (2), a first motor (3), a rotating shaft (4), and rollers (5). The first upright plate (2) is fixedly connected to the upper side of the base plate (1), and there are two sets of the first upright plates (2) arranged symmetrically. The first motor (3) is fixedly connected to the outside of one set of the first upright plates (2).

3. The yarn spreading device according to claim 2, characterized in that: The rotating shaft (4) is rotatably connected between the two sets of the first upright plates (2), and the rotating shaft (4) is fixedly connected to the first motor (3). The roller (5) is fixedly connected to the outside of the rotating shaft (4).

4. The yarn spreading device according to claim 2, characterized in that: The upper end face of the fixed cylinder (7) is flush with the upper surface of the roller (5).

5. The yarn spreading device according to claim 1, characterized in that: The vibration mechanism includes a first rotating rod (9), a rotating plate (10), an elastic paddle (11), and a vibration rod (12). The first rotating rod (9) is rotatably connected between two sets of second vertical plates (6), and the first rotating rod (9) coincides with the axis of the fixed cylinder (7). The rotating plate (10) is fixedly connected to the outside of the first rotating rod (9). The elastic paddle (11) is fixedly connected to the inside of the fixed cylinder (7), and the elastic paddle (11) matches and abuts against the rotating plate (10). The vibration rod (12) is fixedly connected to the outside of the elastic paddle (11) and is installed at an angle, and the end of the vibration rod (12) is close to the inner side of the fixed cylinder (7).

6. The yarn spreading device according to claim 5, characterized in that: One of the second upright plates (6) is externally fixedly connected to a second motor (8), and the first rotating rod (9) is fixedly connected to the second motor (8).

7. The yarn spreading device according to claim 1, characterized in that: The scraping mechanism includes a fixed plate (15) and a rigid brush (16). The fixed plate (15) is fixedly connected to the outside of the second rotating rod (14). The rigid brush (16) is fixedly connected to the end of the fixed plate (15), and the rigid brush (16) is tangent to the upper end face of the fixed cylinder (7). The spacing of the rigid brush (16) matches the yarn diameter.

8. A yarn-spreading device according to claim 2, characterized in that: A vertical pole (17) is fixedly connected to the tail end of the base plate (1), and a yarn spreading table (18) is fixedly connected to the upper side of the vertical pole (17), with the upper surface of the yarn spreading table (18) slightly lower than the upper end surface of the roller (5).

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