Yarn winding device

Abstract

To provide a yarn winding device capable of overlapping a slender and long flat yarn-like tape and a separation tape as aligning positions in those width directions.SOLUTION: A yarn winding device is provided with: a first guide mechanism 31 for guiding a yarn-like tape L wound up by a spindle 2 as aligning it in its width direction; a second guide mechanism 32 for guiding a separation tape R wound up by the spindle 2 as aligning it in its width direction; and a third guide mechanism 33 for guiding the yarn-like tape L and the separation tape R as overlapping them, wherein the first guide mechanism 31, the third guide mechanism 33, and the second guide mechanism 32 are placed along a track of the yarn-like tape L in order from above.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a yarn winding device that forms a package by winding an elongated flat yarn tape and a release tape while overlapping them. [Background technology]

[0002] 2. Description of the Related Art Conventionally, there has been known a winding device that forms a package by winding up a long, thin, flat yarn tape made of bundles of carbon fibers while traversing the axis of a spindle (see, for example, Patent Document 1).

[0003] However, resin-impregnated carbon fibers have a problem of sticking to each other when overlapped and wound as described above. As a means for solving such a problem, a method of winding the yarn tape and the release tape while overlapping them in the thickness direction can be considered. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2023-28767 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, when winding the yarn tape and the release tape while overlapping them in the thickness direction in this way, it is necessary to align the positions of the yarn tape and the release tape in the width direction, but no device has been proposed that overlaps the carbon tape and the release tape in the thickness direction while aligning their positions in the width direction. Note that this is not limited to yarn tapes made of carbon fibers, but occurs similarly with other long, thin, flat yarn tapes.

[0006] The present invention has been made in consideration of the above-mentioned technical problems, and has an object to provide a yarn winding device that can overlap a long, flat yarn tape and a release tape in the thickness direction while aligning their widthwise positions. [Means for solving the problem]

[0007] In order to achieve the above-mentioned object, the present invention provides a winding device that forms a package by winding a long, flat yarn tape and a release tape while overlapping them, and is characterized by comprising a spindle that winds the yarn tape and release tape overlapped in the thickness direction by rotating around its axis, a first guide mechanism that guides the yarn tape wound around the spindle while positioning it in the width direction, a second guide mechanism that guides the release tape wound around the spindle while positioning it in the width direction, and a third guide mechanism that guides the yarn tape and release tape while overlapping them.

[0008] According to this, the first guide mechanism guides and positions the yarn tape in the width direction, while the second guide mechanism guides and positions the release tape in the width direction, and the third guide mechanism guides and overlaps the yarn tape and the release tape. Therefore, when the yarn tape and the release tape are wound around the spindle, the yarn tape and the release tape can be overlapped in the thickness direction while aligning their widthwise positions.

[0009] The first guide mechanism may comprise a pair of first rollers disposed on the outer sides of both widthwise ends of the yarn tape in a manner extending in a direction intersecting the planar direction of the yarn tape, and guides the yarn tape while positioning it in the width direction between the opposing peripheral surfaces of the pair of first rollers. This makes it possible to reliably guide the yarn tape while positioning it in the width direction with a simple configuration.

[0010] The second guide mechanism may be composed of a second roller disposed in a manner intersecting the feed direction of the release tape and extending in the planar direction of the release tape, and may guide the yarn tape while positioning it in the width direction in a recess formed on the circumferential surface of the second roller. This allows the release tape to be reliably guided while being positioned in the width direction with a simple configuration.

[0011] The third guide mechanism may be composed of a third roller disposed in a manner intersecting the feeding direction of the yarn tape and the release tape and extending in the planar direction of the yarn tape and the release tape, and the yarn tape and the release tape may be overlapped on the circumferential surface of the third roller. This makes it possible to guide the yarn tape and the release tape positioned in the width direction while reliably overlapping them with a simple configuration.

[0012] The first guide mechanism may be disposed in the vicinity of the spindle at a predetermined distance from the package, the second guide mechanism may be disposed at a height between the first guide mechanism and the package, and the third guide mechanism may be disposed at a height between the first guide mechanism and the second guide mechanism, and the third guide mechanism may guide the yarn tape sent from the first guide mechanism and the release tape sent to the second guide mechanism while overlapping them. This makes it possible to easily and reliably position the yarn tape in the width direction by the first guide mechanism, position the release tape in the width direction by the second guide mechanism, and overlap the yarn tape and the release tape by the third guide mechanism.

[0013] The first guide mechanism, the second guide mechanism, and the third guide mechanism may be configured as an integrated unit, which makes it easier to configure the first guide mechanism, the second guide mechanism, and the third guide mechanism and ensures that the arrangement of the first guide mechanism, the second guide mechanism, and the third guide mechanism is properly maintained relative to the package.

[0014] Furthermore, the first guide mechanism, the second guide mechanism, and the third guide mechanism may move linearly away from the package while maintaining their arrangement as the winding diameter of the package increases due to the winding of the yarn tape and the release tape by the axial rotation of the spindle. In this way, the first guide mechanism, the second guide mechanism, and the third guide mechanism can be arranged in the vicinity of the package without being impacted by the package with an increased winding diameter, so that the yarn tape and the release tape can be stably wound by the spindle.

[0015] The spindle may also reciprocate in the axial direction relative to the base, thereby winding the overlapping yarn tape and release tape while traversing them by the third guide mechanism. In this way, even if the first guide mechanism, the second guide mechanism, and the third guide mechanism are not moved in the axial direction of the spindle, the spindle reciprocates in the axial direction relative to the base, thereby making it possible to easily and reliably wind the overlapping yarn tape and release tape while traversing them by the third guide mechanism.

[0016] A first auxiliary roller may be provided near the first guide mechanism, the peripheral surface of which comes into contact with the surface of the yarn tape being fed to the first guide mechanism to stabilize the running of the yarn tape. In this way, the yarn tape is stably fed to the first guide mechanism by the first auxiliary roller, making it possible to easily and reliably position the yarn tape in the first guide mechanism.

[0017] A second auxiliary roller may be provided in the vicinity of the third guide mechanism, the peripheral surface of which comes into contact with the surface of the release tape fed to the third guide mechanism to stabilize the running of the release tape. According to this, the release tape is stably fed to the third guide mechanism by the second auxiliary roller, so that the yarn tape and the release tape can be easily and reliably overlapped in the third guide mechanism. Effect of the Invention

[0018] According to the present invention, the first guide mechanism guides and positions the yarn tape in the width direction, while the second guide mechanism guides and positions the release tape in the width direction, and the third guide mechanism guides and overlaps the yarn tape and the release tape. Therefore, when the yarn tape and the release tape are wound around the spindle, the yarn tape and the release tape can be overlapped in the thickness direction while aligning their widthwise positions. [Brief description of the drawings]

[0019] [Figure 1] 1 is a front view showing a configuration of a yarn winding device according to an embodiment of the present invention. [Diagram 2] 1A is a plan view showing a state in which a spindle of the yarn winding device protrudes toward the front side relative to a base, and FIG. 1B is a plan view showing a state in which the spindle protrudes toward the back side relative to the base. [Diagram 3] FIG. 2 is a perspective view showing a roller unit of the yarn winding device. [Figure 4] FIG. 2 is a front view showing a roller unit of the yarn winding device. [Diagram 5] FIG. 4 is a right side view showing a roller unit of the yarn winding device. [Figure 6] 6 is a view taken along line VI-VI of a roller unit of the yarn winding device. FIG. [Figure 7] 4A is a front view showing a moving state of a roller unit in a yarn winding device when winding starts, when winding is in the middle, and when winding is full, respectively. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0020] Next, an embodiment of a yarn winding device according to the present invention (hereinafter, referred to as the present device) will be described with reference to Figures 1 to 7. In this embodiment, a long, thin, flat tape made of carbon fiber is used as the yarn tape L, and a long, thin, flat tape having a paper core material with a surface impregnated with resin is used as the release tape R. The width of the release tape R is larger than that of the yarn tape L.

[0021] As shown in FIG. 1, this device comprises a base 1 placed on the floor, a spindle 2 provided on the base 1, a guide unit 3 provided above the spindle 2, and a first roller group 4 and a second roller group 5 provided above the guide unit 3, and the yarn tape L and release tape R sent from an unwinding device (not shown) are sent while being guided in this order by the first roller group 4 or the second roller group 5, the guide unit 3, and the spindle 2.

[0022] As shown in Figure 2, the spindle 2 is supported at one end on the base 1 in a manner that protrudes toward the front of the device (toward the front in Figure 1), and supports a bobbin B that is inserted into the spindle 2 and can rotate around its axis.

[0023] The spindle 2 is connected to one or more drive motors (not shown) provided inside the base frame via a predetermined rotation mechanism, and is configured to move back and forth along the axial direction while rotating on its axis with respect to the base 1. Therefore, as will be described later, the yarn tape L and release tape R sent from the guide unit 3 are wound from an empty state to a full state while being traversed on the bobbin B in accordance with the axial rotation and reciprocating movement of the spindle 2, with the yarn tape L on the upper side and the release tape R on the lower side superposed on top of each other.

[0024] As shown in Figures 3 to 6, the guide unit 3 includes a first guide mechanism 31 that guides the yarn tape L being wound around the spindle 2 while positioning it in the width direction, a second guide mechanism 32 that guides the release tape R being wound around the spindle 2 while positioning it in the width direction, a third guide mechanism 33 that guides the yarn tape L and the release tape R while overlapping them, and a bracket 34 that integrally forms the first guide mechanism 31, the second guide mechanism 32 and the third guide mechanism 33, and is located in the vicinity of the upper side of the spindle 2 while being spaced a predetermined distance from the package P.

[0025] The first guide mechanism 31 is disposed on the bracket 34 at a position furthest from the package P, and is composed of a pair of elongated cylindrical first guide rollers 311. The first guide rollers 311 are disposed on the outsides of both side ends of the yarn tape L in the width direction, extending in a direction intersecting (orthogonal to) the planar direction of the yarn tape L.

[0026] As a result, the single yarn tape L sent from the first roller group 4 is guided and positioned in the width direction between the opposing peripheral surfaces of a pair of first guide rollers 311, and is sent downward toward the spindle 2.

[0027] The second guide mechanism 32 is disposed on the bracket 34 at a height position between the first guide mechanism 31 and the package P, and is composed of one elongated cylindrical second guide roller 321. This second guide roller 321 is disposed in a manner intersecting (orthogonal to) the feeding direction of the release tape R and extending in the planar direction of the release tape R. In addition, a ring-shaped recess 321a having a width approximately equal to the width of the release tape R is formed on the peripheral surface of the tip end side of this second guide roller 321.

[0028] Therefore, as described below, the release tape R sent from the second roller group 5 is guided diagonally downward to the right toward the spindle 2 while being positioned in the width direction in such a manner that it is pressed to the left by the left side peripheral surface of the recess 321a of the second guide roller 321.

[0029] 5, in this embodiment, the axial position of the recess 321a of the second guide roller 321 coincides with the position between the pair of first guide rollers 311. Therefore, the yarn tape L sent from the first guide mechanism 31 is overlapped with the release tape R in the thickness direction in the third guide mechanism 33 as described later, and then is guided at the same time in a manner overlapping the central portion of the release tape R in the width direction in the recess 321a of the second guide roller 321, and is sent out in a diagonally downward right direction toward the package P.

[0030] The third guide mechanism 33 is disposed on the bracket 34 at a height position between the first guide mechanism 31 and the second guide mechanism 32 and directly above the second guide roller 321, and is composed of a single cylindrical third roller 331. The third roller 331 is disposed in a manner that intersects with the feeding direction of the yarn tape L and the release tape R and extends in the planar direction of the yarn tape L and the release tape R.

[0031] As a result, the yarn tape L sent downward from the first guide mechanism 31 and the release tape R sent diagonally upward to the right from the first roller group 4 are guided while overlapping in the thickness direction on the circumferential surface of the third roller 331 with the yarn tape L on the upper side and the release tape R on the lower side, and pressed to the right, and are sent diagonally downward to the left toward the second guide mechanism 32.

[0032] The bracket 34 is integrally provided with the first guide mechanism 31, the second guide mechanism 32, and the third guide mechanism 33. The bracket 34 is connected to a drive motor (not shown) provided inside the base 1 via a predetermined moving mechanism, and moves in a direction linearly away from the package P (upward in FIG. 1) while maintaining the arrangement of the guide mechanisms 31, 32, and 33 as the winding diameter of the package P increases as the yarn tape L and the release tape R are wound by the spindle 2, as shown in FIG. 6. This makes it easier to configure the first guide mechanism 31, the second guide mechanism 32, and the third guide mechanism 33, and ensures that the arrangement relative to the package P is maintained.

[0033] In this embodiment, as shown in FIGS. 3 to 5, a first auxiliary roller 35 and a second auxiliary roller 36 are further provided on the bracket 34.

[0034] The first auxiliary roller 35 is positioned above the first guide mechanism 31 so as to be perpendicular to the first guide roller 311, and the peripheral surface of the first auxiliary roller 35 contacts the surface of the yarn tape L fed to the first guide mechanism 31, thereby stabilizing the running of the yarn tape L.

[0035] The second auxiliary roller 36 is arranged parallel to the second guide roller 321 and the third guide roller 331 at a position to the left of the second guide mechanism 32 and the third guide mechanism 33, and the peripheral surface of the second auxiliary roller 36 abuts against the surface of the yarn tape L fed to the second guide mechanism 32 and the third guide mechanism 33, thereby stabilizing the running of the yarn tape L.

[0036] 1, the first roller group 4 is composed of a short roller 4a arranged on the upper right side of the guide unit 3, a short roller 4b arranged on the upper right side of the short roller 4a, and a short roller 4c arranged on the left side of the short roller 4b on a predetermined path of the yarn tape L, and the yarn tape L is hung on the upper peripheral surfaces of the short rollers 4c, 4b, and 4a. Therefore, the yarn tape L sent from an unwinding device (not shown) is sent to the first guide mechanism 31 via the first auxiliary roller 35 of the guide unit 3 while being guided in this order by the short rollers 4c, 4b, and 4a.

[0037] 1, the second roller group 5 is composed of a short roller 5a arranged on the upper left side of the guide unit 3 and a short roller 5b arranged on the upper left side of the short roller 5a on a predetermined path of the release tape R, and the release tape R is hung on the upper peripheral surfaces of the short rollers 5a and 5b. Therefore, the release tape R sent from another unwinding device (not shown) is sent to the third guide mechanism 33 via the second auxiliary roller 36 of the guide unit 3 while being guided in this order by the short rollers 5b and 5a.

[0038] Next, the operation of this device for winding the yarn tape L and the release tape R around the spindle 2 while overlapping them in the thickness direction will be described.

[0039] First, in the first guide mechanism 31, as shown in Figures 3 and 5, the yarn tape L fed from the first roller group 4 via the first auxiliary roller 35 is guided while being positioned in the width direction between the opposing peripheral surfaces of a pair of first guide rollers 311, and is sent out downward toward the third guide mechanism 33.

[0040] Then, in the third guide mechanism 33, as shown in Figures 3 and 4, the yarn tape L fed from the first guide mechanism 31 and the release tape R fed from the second roller group 5 via the second auxiliary roller 36 are guided while overlapping each other in the thickness direction in a manner such that the yarn tape L is on the upper side and the release tape R is on the lower side on the peripheral surface of the third roller 331 and is pressed to the right, and then sent out diagonally downward to the left toward the second guide mechanism 32.

[0041] 3 to 5, the yarn tape L and the release tape R fed from the third guide mechanism 33 while overlapping each other in the thickness direction are guided in a state where they are fitted into the recessed portion 321a of the second guide roller 321, and are fed in a diagonally downward right direction toward the package P. At this time, the release tape R is guided in a diagonally downward right direction toward the spindle 2 while being positioned in the width direction by the recessed portion 321a of the second guide roller 321, and the yarn tape L is guided in a diagonally downward right direction toward the spindle 2 while being kept overlapped on the upper side of the release tape R on the left peripheral surface of the recessed portion 321a of the second guide roller 321. The yarn tape L is guided while being in contact with the recessed portion 321a of the second guide roller 321, but its position in the width direction is not particularly restricted.

[0042] Then, on the spindle 2, the yarn tape L and the release tape R fed from the second guide mechanism 32 while overlapping each other in the thickness direction are wound up while being traversed by the axial rotation and axial reciprocating movement of the spindle 2. At this time, the first guide mechanism 31, the second guide mechanism 32 and the third guide mechanism 33 provided on the bracket 34 move linearly away from the package P (upward in FIG. 1) while maintaining the arrangement of the guide mechanisms 31, 32 and 33 as the winding diameter of the package P increases, as shown in FIG.

[0043] Thus, the first guide mechanism 31 guides the yarn tape L while determining its position in the width direction, while the second guide mechanism 32 guides the release tape R while determining its position in the width direction, and the third guide mechanism 33 guides the yarn tape L and the release tape R while overlapping them, so that the yarn tape L and the release tape R can be overlapped in the thickness direction while aligning their positions in the width direction. Particularly in this embodiment, since the third guide mechanism 33 is disposed between the first guide mechanism 31 and the second guide mechanism 32, it is possible to easily and reliably position the yarn tape L in the width direction by the first guide mechanism 31, position the release tape R in the width direction by the second guide mechanism 32, and overlap the yarn tape L and the release tape R by the third guide mechanism 33.

[0044] In this embodiment, the first guide mechanism 31, the second guide mechanism 32, and the third guide mechanism 33 are all formed of cylindrical rollers, but may be other mechanisms.

[0045] In addition, the spindle 2 moves back and forth in the axial direction to wind up the yarn tape L and the release tape R in a traversing manner, but the guide unit 3 may move back and forth along the axial direction of the spindle 2 to wind up the yarn tape L and the release tape R in a traversing manner.

[0046] Although the embodiment of the present invention has been described above with reference to the drawings, the present invention is not limited to the illustrated embodiment. Various modifications and variations can be made to the illustrated embodiment within the same scope as the present invention or within an equivalent scope. [Explanation of symbols]

[0047] 1. Foundation 2...Spindle 3...Guide unit 31...First guide mechanism 311...First guide roller 32...Second guide mechanism 321...Second guide roller 321a…recess 33...Third guide mechanism 331...Third guide roller 34…Bracket 35…First auxiliary roller 36…Second auxiliary roller 4…First group of rollers 5...Second roller group L…Thread tape R…Release tape P…Package B…Bobbin

Claims

1. A yarn winding device that forms a package by winding an elongated flat yarn tape and a release tape while overlapping them, comprising: a spindle that rotates around its axis to wind up the yarn tape and the release tape that are overlapped in the thickness direction; a first guide mechanism that guides the yarn tape being wound around the spindle while positioning it in a width direction; a second guide mechanism that guides the release tape wound around the spindle while positioning it in a width direction; and a third guide mechanism for guiding the yarn tape and the release tape while overlapping them.

2. The winding device described in claim 1, wherein the first guide mechanism comprises a pair of first rollers arranged on the outside of both widthwise end portions of the yarn tape in a manner extending in a direction intersecting the planar direction of the yarn tape, and guides the yarn tape while positioning it in the widthwise direction between the opposing peripheral surfaces of the pair of first rollers.

3. The winding device according to claim 1, wherein the second guide mechanism comprises a second roller arranged so as to intersect with the feed direction of the release tape and extend in the planar direction of the release tape, and guides the yarn tape while positioning it in the width direction in a recess formed on the peripheral surface of the second roller.

4. The yarn winding device according to claim 1, wherein the third guide mechanism comprises a third roller arranged so as to intersect with the feed direction of the yarn tape and the release tape and extend in the planar direction of the yarn tape and the release tape, and the yarn tape and the release tape are overlapped on the peripheral surface of the third roller.

5. the first guide mechanism is disposed in the vicinity of the spindle at a predetermined distance from the package, the second guide mechanism is disposed at a height position between the first guide mechanism and the package, the third guide mechanism is disposed at a height position between the first guide mechanism and the second guide mechanism, 2. The yarn winding device according to claim 1, wherein the yarn tape fed from the first guide mechanism and the release tape fed to the second guide mechanism are guided while being overlapped with each other in the third guide mechanism.

6. 6. The yarn winding device according to claim 5, wherein the first guide mechanism, the second guide mechanism and the third guide mechanism are configured as an integral unit.

7. The winding device described in claim 6, wherein the first guide mechanism, the second guide mechanism and the third guide mechanism move linearly away from the package while maintaining their arrangement as the winding diameter of the package increases due to the axial rotation of the spindle winding the yarn tape and release tape.

8. 2. The yarn winding device according to claim 1, wherein the spindle reciprocates in the axial direction relative to the base, thereby winding the yarn tape and the release tape superposed by the third guide mechanism while traversing them.

9. The winding device as described in claim 5, wherein a first auxiliary roller is provided in the vicinity of the first guide mechanism, the peripheral surface of which abuts against the surface of the yarn tape being fed to the first guide mechanism, thereby stabilizing the running of the yarn tape.

10. The winding device according to claim 5, further comprising a second auxiliary roller disposed in the vicinity of the third guide mechanism, the second auxiliary roller having a peripheral surface that abuts against the surface of the release tape being fed to the third guide mechanism, thereby stabilizing the running of the release tape.

Images