Three-roller active fiber bundling device

Abstract

The invention relates to a fiber three-roller active bundling device, and belongs to the field of fiber bundling. The bundling frame comprises a bundling frame body and a bundling unit, the bundling unit comprises a three-roller yarn separating fork, a yarn pressing rod, a three-roller type yarn guide roller set, a bundling frame yarn separating fork and a yarn picking rod, and the three-roller type yarn guide roller set comprises three yarn guide rollers arranged into an isosceles right triangle structure. Three-roller type driving is adopted, when the tows enter the creel, the tows evenly enter the creel under the same driving force, and the phenomena of tow hanging, tow pulling and the like are avoided. Independent filament feeding does not interfere with each other, tows are vertically and flatly fed when entering the creel, the tows are prevented from being pulled at different angles in the bundling process, meanwhile, it is guaranteed that the tows are evenly stressed when entering the creel, the fineness of the drafted finished filaments is high, the fineness proportion is concentrated, and the overall fineness range is narrow; and the three silk guide rollers are uniformly stressed and enter the creel at the same tension and speed, so that slipping is avoided, and the fineness uniformity and quality of finished silk are improved.

Description

Technical Field

[0001] The invention relates to the technical field of fiber bundling, in particular to a three-roller active fiber bundling device. Background Art

[0002] The drafting line has a unified bunching device before entering the pre-drafting machine. Currently, most of them use a wire hook. The pre-drafting machine provides power to move the wire bundle forward. The tension of the pre-drafting machine acts on the wire bundle, and the wire bundle enters the drafting line through the wire hanger. In this process, the wire bundle passes from the wire barrel through the wire hanger to the pre-drafting machine, in a passive pulling state, and the width of the wire hanger must be much larger than the width of the pre-drafting machine roller surface. In this way, the wire bundle presents different stretching states before entering the pre-drafting machine, and the uniformity of the finished wire obtained after drafting will be very low.

[0003] At present, the industry mostly uses non-driven wire hanging racks and single-roller drives. Wire hanging racks are prone to pulling, resulting in frequent wire hanging and wire breakage, poor uniformity of fineness, and a wide range of fineness. Single-roller drive avoids the problem of step-by-step pulling, but single-roller bunching racks have the phenomenon of wire bundle slippage (because the surface of the frozen gel wire contains some organic solvents, which are mostly oil solvents). Single-roller bunching requires multiple single rollers, and the wire bundle slips between each roller. The wire bundle will have different tensions between the two rollers, which shows that the length of the wire bundle is different between the two rollers, which seriously affects the fineness after drawing.

[0004] The existing bundling device has no driving force, and there are phenomena such as the yarn bundle being pulled, hung, and broken on the bundling device, which ultimately seriously affects the uniformity of the finished yarn fineness.

[0005] When the existing bundling device is feeding wire, each bundle of wire has a different pulling angle when entering the bundling frame, and the contact position between the wire bundle and the wire hook of the bundling frame is different, resulting in uneven force on the wire bundle and different stretching lengths of the finished wire, which ultimately affects the fineness of the wire bundle.

[0006] The single-roller clustering frame will slip, the yarn bundles will slip between the single rollers, and the yarn bundles will have different tensions, resulting in yarn falling between the single rollers, and ultimately the uniformity of the finished yarn is poor.

[0007] Based on this, the present invention is proposed. Summary of the invention

[0008] In view of the shortcomings of the prior art, the present invention provides a fiber three-roller active bundling device, and its technical solution is as follows:

[0009] A fiber three-roller active bundling device is used to bundle fibers. The fiber three-roller active bundling device comprises a bundling frame and at least two rows of bundling units. The bundling units comprise a three-roller wire fork, a wire pressing rod, a three-roller wire guide roller group, a bundling frame wire fork, and a wire picking rod. The three-roller wire guide roller group comprises three wire guide rollers arranged in an isosceles right triangle structure. The height of the wire picking rod is higher than the height of the bundling frame wire fork.

[0010] In the front bundling unit, the fibers are arranged at a certain distance by the three-roller wire fork, and then enter the three-roller wire guide roller group after being provided with a certain tension by the wire pressing rod. They are respectively wound around three wire guide rollers and enter the bundling rack wire fork for bundling. After bundling, the fibers exit the bundling rack wire fork and enter the next process.

[0011] In all the rear-row bundling units, the fibers pass through the wire-picking rod after exiting the guide roller. After passing the wire-picking rod, the fibers merge with the front-row bundling units at the wire-split fork of the bundling rack.

[0012] As a further solution of the present invention, the bundling unit also includes a three-roller drive device and a synchronous motor for driving the three-roller drive device. The three-roller wire guide roller group includes three wire guide rollers arranged in an isosceles right triangle structure. The three-roller drive device includes a drive motor sprocket coaxially connected to the synchronous motor, a guide wheel, a three-roller sprocket coaxially connected to the wire guide roller, a tensioning wheel, and a transmission chain. The transmission chain is chain-driven by passing through the drive motor sprocket, the guide wheel, the three three-roller sprockets and the tensioning wheel. The bundling frame is provided with a long strip hole matching the wheel axle of the tensioning wheel.

[0013] As a further solution of the present invention, the three wire guide rollers are rotatably connected to the cluster frame by installing a bearing seat.

[0014] As a further solution of the present invention, first adjustable orifice plates are respectively installed at both ends of the wire separation fork of the clustering frame, and the first adjustable orifice plates are fixedly connected to the clustering frame body;

[0015] Second adjustable orifice plates are respectively installed at both ends of the screw-picking rod, and the second adjustable orifice plates are fixedly connected to the cluster frame.

[0016] As a further solution of the present invention, both ends of the screw pressing rod and both ends of the three-roller wire fork are installed with a third adjustable orifice plate, the third adjustable orifice plate is fixedly installed on the bundling frame, and the surfaces of the first adjustable orifice plate, the second adjustable orifice plate and the third adjustable orifice plate are all arranged with mounting holes in an array.

[0017] As a further embodiment of the present invention, the surface of the fiber contains an organic solvent.

[0018] As a further solution of the present invention, the fiber is jelly thread, and a thread holding barrel is arranged below the three-roller thread fork.

[0019] As a further solution of the present invention, in the three-roller guide roller group, the isosceles right triangle in which the three guide rollers are arranged has two base angles of 45 degrees and the vertex angle is set downward.

[0020] As a further solution of the present invention, the isosceles right triangle formed by the three guide rollers has a right-angled side with a length of x; the radii of the three guide rollers are equal, and their value is R; y is the aspect ratio, y=x / R, 3.5≤y≤5.

[0021] As a further solution of the present invention, a sprocket guard is arranged outside the transmission chain.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] 1. The present invention adopts a three-roller drive. When the tow enters the clustering frame, it is evenly driven by the same driving force, thus avoiding the phenomenon of hanging wire and pulling.

[0024] 2. The present invention utilizes two groups of bundling units and a three-roller driving device. Each group of separate wire feeding does not interfere with each other. The wire bundles are vertically laid flat on the bundling frame. The bundling process avoids pulling the wire bundles at different angles, while ensuring that the wire bundles are uniformly stressed when entering the bundling frame. The finished wire of the present invention has a uniform and high fineness, a concentrated fineness ratio and a narrow overall fineness range.

[0025] 3. The present invention adopts an active three-roller bundling method. The frozen gel yarn is evenly wired through the movement of three rollers. Each group does not interfere with each other. Each group is wired vertically. The force is evenly applied after passing through three wire guide rollers. It enters the bundling frame with the same tension and speed to avoid slipping, thereby improving the uniformity of the finished yarn fineness and product quality.

[0026] 4. A three-roller wire separation fork and a wire pressing rod are arranged before the jelly wire of the present invention enters the three-roller wire guide roller group, and the relative positions of the three-roller wire separation fork and the wire pressing rod can be adjusted to adjust the tension of the jelly wire before it enters the three-roller wire guide roller group, so that the jelly wire can be spread more evenly and present a relatively uniform state before entering the three-roller wire guide roller group, and the three-roller wire separation fork and the wire pressing rod can flatten the folded part of the jelly wire through tension.

[0027] 5. The present invention arranges two groups of bundling units. The frozen gel yarns from the rear-row bundling units come out of the three-roller guide roller group, pass through the wire picking rod, and finally merge with the frozen gel yarns from the front-row three-roller guide roller group at the front-row three-roller wire fork. The two groups of frozen gel yarns do not interfere with each other. Finally, the frozen gel yarns from the front and rear rows of the three-roller guide roller groups of the bundling frame enter the next process with the same tension, avoiding mutual interference between the front and rear rows of bundling and affecting the uniformity of the drawing of the frozen gel yarns. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1This is a schematic diagram of the fiber three-roller active bundling device of the present invention when viewed from the side;

[0029] Figure 2 This is a schematic diagram of the three-roller active fiber bundling device of the present invention when viewed from above;

[0030] Figure 3 It is a schematic diagram of the principle of the three-roller guide roller group described in the present invention. DETAILED DESCRIPTION

[0031] The present invention is described in detail below in conjunction with specific embodiments. The embodiments described below are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0032] Example 1

[0033] A fiber three-roller active bundling device, such as Figure 1 , 2 As shown, it is used to bundle the fibers 15. The fiber three-roller active bundling device comprises a bundling frame 1, at least two rows of bundling units, the bundling unit comprises a three-roller wire fork 11, a wire pressing rod 10, a three-roller wire guide roller group, a bundling frame wire fork 4, and a wire lifting rod 14, the three-roller wire guide roller group comprises three wire guide rollers 12 arranged in an isosceles right triangle structure, the height of the wire lifting rod 14 is higher than the height of the bundling frame wire fork 4, so that the wire lifting rod 14 lifts the fibers 15.

[0034] In the front-row bundling unit, the fibers 15 are arranged at a certain distance by the three-roller wire fork 11, and enter the three-roller wire guide roller group after being provided with a certain tension by the wire pressing rod 10, and are respectively wound around three wire guide rollers 12, and enter the bundling rack wire fork 4 for bundling, and after bundling, they exit the bundling rack wire fork 4 and enter the next process;

[0035] In all the rear-row bundling units, the fiber 15 passes through the wire-pulling rod 14 after exiting the wire-guiding roller 12. After passing through the wire-pulling rod 14, the fiber 15 is joined with the front-row bundling at the wire-pulling fork 4 of the bundling rack.

[0036] In the present invention, the surface of the fiber 15 contains an organic solvent, which is not limited to jelly fibers, and any fiber having an organic solvent on the surface may be used.

[0037] Example 2

[0038] In Example 1, the bundling unit also includes a three-roller driving device and a synchronous motor 2 for driving the three-roller driving device. The three-roller wire guide roller group includes three wire guide rollers 12 arranged in an isosceles right triangle structure. The three-roller driving device includes a driving motor sprocket 7 coaxially connected to the synchronous motor 2, a guide wheel 5, a three-roller sprocket 8 coaxially connected to the wire guide roller 12, a tensioning wheel 9, and a transmission chain 6. The transmission chain 6 is chain-driven around the driving motor sprocket 7, the guide wheel 5, the three three-roller sprockets 8 and the tensioning wheel 9; the bundling frame 1 is provided with a long strip hole matching the wheel axle of the tensioning wheel 9.

[0039] The three wire guide rollers 12 are rotatably connected to the cluster frame 1 by installing a bearing seat 17 .

[0040] For the convenience of adjustment, first adjustable orifice plates 3 are respectively installed at both ends of the cluster frame wire separation fork 4, and the first adjustable orifice plates 3 are fixedly connected to the cluster frame body 1;

[0041] Second adjustable orifice plates 13 are respectively installed at both ends of the screw-picking rod 14 , and the second adjustable orifice plates 13 are fixedly connected to the cluster frame 1 .

[0042] Both ends of the screw pressing rod 10 and both ends of the three-roller wire fork 11 are installed with a third adjustable orifice plate 19, the third adjustable orifice plate 19 is fixedly installed on the bundling frame 1, and the surfaces of the first adjustable orifice plate 3, the second adjustable orifice plate 13 and the third adjustable orifice plate 19 are all arranged with mounting holes in an array.

[0043] In this example, there are only two groups of bundling units, the fibers 15 are jelly fibers, and a fiber barrel 16 is provided below the three-roller fiber separation fork 11 .

[0044] In the front-row bundling unit, the frozen gel threads are arranged at a certain distance from the wire barrel 16 through the three-roller wire fork 11, and enter the three-roller wire guide roller group after being provided with a certain tension by the wire pressing rod 10. They are respectively wound around three wire guide rollers 12. The height of the three-roller wire fork 11 and the wire pressing rod 10 can be adjusted by adjusting the installation position of the three-roller wire fork 11 and the wire pressing rod 10 on the third adjustable hole plate 19 to achieve the tension of the frozen gel threads before entering the wire guide roller 12. After passing through three wire guide rollers 12 with a certain angle to each other, the frozen gel threads are evenly stressed and enter the bundling rack wire fork 4. The frozen gel threads exit the bundling rack wire fork 4 and enter the next process.

[0045] In the rear-row bundling unit, after the frozen gel thread exits the guide roller 12, it passes through an upward wire lifting rod 14. The wire lifting rod 14 can be adjusted in upper and lower heights by adjusting the position of the second adjustable orifice plate 13. After passing through the wire lifting rod 14, the frozen gel thread merges with the front-row bundling at the wire fork 4 of the bundling rack. The two groups of bundling do not interfere with each other. At the same time, the tension to which the frozen gel thread is subjected after exiting the bundling rack is the same, thereby ensuring the uniformity of the yarn bundle.

[0046] It should be noted that if there are more than two groups of clustering units, except for the first row which is the front row clustering units, all other front row clustering units are rear row clustering units.

[0047] In the present invention, the fiber three-roller active bundling device is a device before fiber stretching. All the frozen gel fibers fall into the silk barrel after spinning. The silk barrel is then arranged in the fiber three-roller active bundling device for stretching. The fiber three-roller active bundling device of the present invention is a very important process before stretching. Pulling, uneven force, slipping and other phenomena generated in this process will have a great impact on the finished silk.

[0048] Most of the existing clustering frames are of the non-driven hook type, which are pulled by the drawing machine in the previous process, causing uneven force on the frozen rubber wire on the wire hook. At the same time, the hook-type clustering will enter the clustering frame at a certain angle, and the pulling force at the angle will be different, resulting in different uniformity of the stretching of the frozen rubber wire.

[0049] The existing active single-roller drive technology has no tension of its own, the jelly thread slips on the roller surface, and the jelly thread from the rear roller has to enter the front roller, resulting in different tensile forces and different uniformity of jelly thread stretching.

[0050] Example 3

[0051] In Example 2, Figure 3 As shown, in the three-roller wire guide roller group, the isosceles right triangle in which the three wire guide rollers 12 are arranged has two base angles of 45 degrees and its vertex angle is set downward.

[0052] The length of the right angle side of the isosceles right triangle formed by the three wire guide rollers 12 is x; the radii of the three wire guide rollers 12 are all equal, and their value is R; y is the aspect ratio, y=x / R, 3.5≤y≤5.

[0053] Because the jelly wire is oily, it is very easy to slip. If two wire guide rollers are used, it is still easy to slip.

[0054] In the present invention, if the three-roller wire guide roller group does not adopt active rotation, but is all driven rollers, slippage will also occur. Also if the three-roller wire guide roller group is driven by a motor respectively, or the transmission between the three wire guide rollers 12 is not synchronous, slippage will definitely occur.

[0055] Therefore, in the present invention, a three-roller driving device is used to drive the three godet rollers 12 to rotate synchronously.

[0056] The radii of the three wire guide rollers need to be equal, otherwise, the quality of the jelly thread will be affected. When the rotation speed increases slightly, it will easily cause the jelly thread to break.

[0057] In addition, if four wire guide rollers 12 are arranged in a rectangular or square structure, it is found that although slipping will no longer occur, the quality of the jelly wire will be affected.

[0058] The aspect ratio y will also affect the quality of the jelly yarn (aspect ratio y that is too large or too small will lead to uneven fibers or even breakage). For example, at a higher speed of 100 cm / min, it can be measured by whether the jelly yarn breaks (within 10 minutes) and whether the linear density deviation rate is less than 5.41%. The specific test results are shown in Table 1:

[0059] Table 1

[0060] y Is there any breakage? Linear density deviation rate (%) 2.5 yes / 3 yes / 3.5 no 15.17 4 no 10.35 4.1 no 1.52 4.2 no 20.09 5 yes / 10 yes /

[0061] It can be seen from this that, preferably, y is 4.1.

[0062] Example 4

[0063] In order to provide protection for the transmission chain 6 , a sprocket guard 18 is disposed outside the transmission chain 6 .

[0064] In addition, it should be understood that those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A fiber three-roller active bundling device for bundling fibers (15), characterized in that: The fiber three-roller active bundling device comprises a bundling frame (1), at least two rows of bundling units, the bundling unit comprises a three-roller wire fork (11), a wire pressing rod (10), a three-roller wire guide roller group, a bundling frame wire fork (4), and a wire picking rod (14), the three-roller wire guide roller group comprises three wire guide rollers (12) arranged in an isosceles right triangle structure, and the height of the wire picking rod (14) is higher than the height of the bundling frame wire fork (4); In the front-row bundling unit, the fibers (15) are arranged at a certain distance through a three-roller wire fork (11), and after a certain tension is provided by a wire pressing rod (10), they enter a three-roller wire guide roller group, are respectively wound around three wire guide rollers (12), and enter a bundling rack wire fork (4) for bundling. After bundling, they exit the bundling rack wire fork (4) and enter the next process. In all the rear-row bundling units, the fibers (15) pass through the wire-pulling rod (14) after exiting the wire-guiding roller (12). After passing through the wire-pulling rod (14), the fibers (15) merge with the front-row bundling at the wire-pulling fork (4) of the bundling rack.

2. The three-roll active fiber bundling device according to claim 1, characterized in that: The bundling unit also includes a three-roller driving device and a synchronous motor (2) for driving the three-roller driving device. The three-roller wire guide roller group includes three wire guide rollers (12) arranged in an isosceles right triangle structure. The three-roller driving device includes a driving motor sprocket (7) coaxially connected to the synchronous motor (2), a guide wheel (5), a three-roller sprocket (8) coaxially connected to the wire guide roller (12), a tension wheel (9), and a transmission chain (6). The transmission chain (6) is chain-driven by passing through the driving motor sprocket (7), the guide wheel (5), the three three-roller sprockets (8) and the tension wheel (9). The bundling frame (1) is provided with a long strip hole matching the wheel axle of the tension wheel (9).

3. The three-roll active fiber bundling device according to claim 2, characterized in that: The three wire guide rollers (12) are rotatably connected to the cluster frame (1) by installing a bearing seat (17).

4. The three-roll active fiber bundling device according to claim 2, characterized in that: First adjustable orifice plates (3) are respectively installed at both ends of the cluster frame wire separation fork (4), and the first adjustable orifice plates (3) are fixedly connected to the cluster frame body (1); Second adjustable orifice plates (13) are respectively installed at both ends of the screw picking rod (14), and the second adjustable orifice plates (13) are fixedly connected to the cluster frame (1).

5. The three-roll active fiber bundling device according to claim 4, characterized in that: Both ends of the screw pressing rod (10) and both ends of the three-roller wire separation fork (11) are installed with a third adjustable orifice plate (19), the third adjustable orifice plate (19) is fixedly installed on the cluster frame (1), and the surfaces of the first adjustable orifice plate (3), the second adjustable orifice plate (13) and the third adjustable orifice plate (19) are all provided with mounting holes in an array.

6. The three-roll active fiber bundling device according to claim 1, characterized in that: The surface of the fiber (15) contains an organic solvent.

7. The three-roll active fiber bundling device according to claim 1, characterized in that: The fibers (15) are jelly fibers, and a fiber storage barrel (16) is provided below the three-roller fiber separation fork (11).

8. The three-roll active fiber bundling device according to claim 1, characterized in that: In the three-roller wire guide roller group, the three wire guide rollers (12) are arranged in an isosceles right triangle, both of whose base angles are 45 degrees and whose vertex angles are arranged downwards.

9. The three-roll active fiber bundling device according to claim 8, characterized in that: The length of the right angle side of the isosceles right triangle formed by the three wire guide rollers (12) is x; the radii of the three wire guide rollers (12) are all equal, and their value is R; y is the aspect ratio, y=x / R, 3.5≤y≤5.

10. The three-roll active fiber bundling device according to claim 2, characterized in that: A sprocket guard (18) is arranged outside the transmission chain (6).

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