Spinning take-up device

Abstract

To provide a spinning takeoff device which is reduced in the height of a floor as compared with a conventional device.SOLUTION: A spinning takeoff device includes: a spinning takeoff section 6 which takes off a plurality of yarns 100 spun from a spinning machine and extends the yarns; and a taking-up section 8 which takes up the plurality of yarns 100 fed from the spinning takeoff section 6 and forms a taking-up package. The spinning takeoff section 6 has a first guide section 10 for guiding the plurality of yarns 100 to a yarn travel direction downstream side, an extension section 28 having a plurality of rollers including at least one roller for extending the plurality of yarns 100 guided from the first guide section 10, and second guide sections 62, 70 for guiding the plurality of yarns 100 from the extension section 28 to the taking-up section 8. The taking-up section 8 and the extension section 28 are horizontally arranged. Each of the second guide sections has a second relaxing roller 62 and a distribution section 70. The plurality of yarns 100 from the extension section 28 is fed to the taking-up section 8 through the distribution section 70 and the second relaxing roller 62.SELECTED DRAWING: Figure 6

Description

Technical Field

[0001] The present invention relates to a spinning take-up device that takes up the yarn spun from a spinning machine to form a winding package, and particularly to a spinning take-up device for industrial material yarns that have a large fineness and require a long heating length.

Background Art

[0002] In a spinning take-up device that takes up the yarn spun from a spinning machine to form a winding package, at the start of production, a yarn hanging operation is required to hang the yarn spun from the spinning machine along the yarn path to the winding section.

[0003] As disclosed in, for example, Patent Document 1 (see particularly Fig. 1), a general spinning take-up device has a processing assembly including a plurality of rollers and the like disposed below the spinning machine, and the winding section is disposed below the processing assembly. When performing the yarn hanging operation in such a spinning take-up device, as a first-floor operator, a yarn hanging operator (a second-floor operator in the middle) who hangs the yarn on each roller and the like, and a yarn hanging operator who hangs the yarn on the winding section disposed below each roller and the like are required.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] By the way, in recent years, there has been a demand for labor-saving in equipment. However, when performing the threading operation in a general spinning take-up device described in Patent Document 1, at least two operators are required, namely, a second-floor operator who threads the yarn onto each roller and a threading operator who threads the yarn onto the winding section. Also, when two operators, namely, the second-floor operator who threads the yarn onto each roller and the threading operator who threads the yarn onto the winding section, perform the threading operation, it is necessary to transfer the suction gun that is sucking the yarn when threading the yarn onto each roller or the winding section, which increases the threading operation time. Even if the threading of each roller or the winding section is performed by one operator, since the threading operation on the second floor where each roller is arranged is a high-place operation, it is necessary to get on and off the work cart, which not only increases the time required for threading but also increases the burden on the operator. Therefore, suppressing the height of the spinning take-up device to lower the floor and shortening the threading time and achieving labor-saving are urgent issues.

[0006] The present invention has been made in view of the above problems, and an object thereof is to lower the floor of the spinning take-up device more than before and shorten the threading time and achieve labor-saving.

Means for Solving the Problems

[0007] (1) The spinning take-up device of the present invention is a spinning take-up device that takes up a plurality of yarns spun from a spinning machine and at least stretches them, and includes a winding section that winds up the plurality of yarns sent from the spinning take-up section to form a winding package, The spinning take-up section is a first guiding section that guides the plurality of yarns spun from the spinning machine to the downstream side in the yarn traveling direction, a stretching section including at least one roller for stretching the plurality of yarns guided from the first guiding section, and a second guiding section that guides the plurality of yarns from the stretching section to the winding section, The winding section and the stretching section are On the same floor, the axial direction of the winding part and the running of the yarn in the stretching part in plan view are parallel horizontally arranged, The interior of the second case has a guide roller provided on the downstream side in the yarn running direction of the extension part, and a plurality of distribution rollers arranged on the downstream side in the yarn running direction from the guide roller and provided above the winding part. The plurality of yarns from the extension part are sent to the winding part via the guide roller and the plurality of distribution rollers. Further, the spinning and take-up device further includes a plurality of yarn suction parts capable of sucking a plurality of yarns spun from the spinning machine respectively The first guide part is installed below the plurality of yarn suction parts and above the stretching part, and includes a direction-changing roller for changing the running direction of the plurality of yarns for each of the plurality of yarns A first yarn feed roller is provided on the yarn path from the plurality of direction-changing rollers to the stretching part The first yarn feed roller is preferably provided at a position lower than the yarn suction part and deviated from the winding part in the direction opposite to the horizontal direction with respect to both the first guide part and the stretching part

[0008] According to the yarn drawing device described in (1) above, since the plurality of yarns from the stretching part are sent to the winding part via the guide roller and the distribution roller, the winding part and the stretching part are On the same floor, the axial direction of the winding part and the running of the yarn in the stretching part in plan view are parallel By arranging them horizontally, the height of the yarn drawing device can be suppressed and the floor can be lowered. As a result, it is not necessary to divide the working area on the first floor vertically as in the prior art and arrange an operator in each working area, and it becomes possible to perform the yarn hanging work by one operator, so that the yarn hanging work time can be shortened and labor saving can be achieved. In addition, when the first yarn feed roller is provided at a position deviated from the winding part in the direction opposite to the horizontal direction with respect to the first guide part and the stretching part, the spinning and take-up device can be made low-profile

[0009] (2) In the yarn drawing device described in (1) above, The plurality of distribution rollers are arranged such that the acute angle formed by the yarn running direction of the yarn sent from the guide roller and the horizontal plane is 0 degrees or more and 20 degrees or less. This is the feature.

[0010] According to the yarn drawing device described in (2) above, the height of the guide roller can be suppressed, and it becomes possible to lower the floor of the yarn drawing device. That is, the lower limit in the height direction of the distribution roller is determined by other components such as the winding part. Therefore, by arranging the guide roller and the distribution roller such that the acute angle formed by the yarn running direction of the yarn sent from the guide roller to each distribution roller and the horizontal plane is 0 degrees or more and 20 degrees or less, the guide roller and the distribution roller can be lowered, and thus it becomes possible to lower the floor of the yarn drawing device.

[0011] (3) In the spinning take-up device according to the above (1) or (2), the plurality of distribution rollers are arranged in series along the yarn path from the guide roller to each of the plurality of distribution rollers in a plan view, the yarn paths from the guide roller to each of the plurality of distribution rollers form a plurality of yarn paths separated in a direction orthogonal to the yarn path in a plan view corresponding to the plurality of distribution rollers, each of the plurality of distribution rollers is arranged so as to avoid the yarn path corresponding to another distribution roller characterized in that.

[0012] According to the spinning take-up device described in the above (3), each of the plurality of distribution rollers is arranged so as to avoid the yarn path corresponding to another distribution roller. Therefore, it is possible to prevent the yarn sent from the guide roller from contacting the roller surface of another distribution roller.

[0013] (4) In the spinning take-up device according to the above (3), the height of the roller surface of each of the plurality of distribution rollers is different according to the position in the direction orthogonal to both the yarn path from the guide roller to the distribution roller and the vertical direction characterized in that.

[0014] According to the spinning take-up device described in the above (4), since the height of the roller surface is different according to the position in the direction orthogonal to both the yarn path from the guide roller to the distribution roller and the vertical direction, it is possible to secure the yarn path for each yarn sent to the plurality of distribution rollers. Therefore, it is possible to prevent the yarn sent from the guide roller from contacting the roller surface of another distribution roller.

[0015] (5) In the spinning take-up device according to the above (3) or (4), at least one of the plurality of distribution rollers has an axial direction inclined with respect to the horizontal direction characterized in that.

[0016] According to the spinning take-up device described in (5) above, with a simple configuration that only inclines the axial direction of the distribution roller with respect to the horizontal direction, it is possible to prevent the yarn sent from the guide roller from contacting the roller surface of other distribution rollers.

[0017] (6) In the spinning take-up device according to any one of (3) to (5) above, At least one of the plurality of distribution rollers is a conical rollers, or the diameter gradually varies according to the position in the direction orthogonal to both the yarn path from the guide roller to the distribution roller and the vertical direction roller with stepped portions, the diameter of which varies according to the position in the direction orthogonal to both the yarn path from the guide roller to the distribution roller and the vertical direction. This is characterized by.

[0018] According to the spinning take-up device described in (6) above, with a simple configuration that only changes the distribution roller to a conical rollers, or the diameter gradually varies according to the position in the direction orthogonal to both the yarn path from the guide roller to the distribution roller and the vertical direction roller with stepped portions, the diameter of which varies according to the position in the direction orthogonal to both the yarn path and the vertical direction, it is possible to prevent the yarn sent from the guide roller from contacting the roller surface of other distribution rollers.

[0019] (7) In the spinning take-up device according to (3) above, The plurality of distribution rollers are arranged such that the height position of the roller surface of the distribution roller closest to the guide roller is the lowest, and the height position of the roller surface of the distribution roller increases as the distance from the guide roller increases. This is characterized by.

[0020] According to the spinning take-up device described in (7) above, the height position of the roller surface of the distribution roller closest to the guide roller is the lowest, and the height position of the roller surface of the distribution roller increases as the distance from the guide roller increases. Therefore, with a simple configuration of sequentially shifting the mounting height positions of the plurality of distribution rollers, it is possible to prevent the yarn sent from the guide roller from contacting the roller surface of other distribution rollers.

[0021] (8) In the spinning take-up device according to any one of (1) to (7) above, further comprising a plurality of drive units corresponding to each of the plurality of distribution rollers characterized in that

[0022] According to the spinning take-up device described in (8) above, since each of the plurality of distribution rollers can be individually driven, it is possible to reduce the tension difference between the plurality of yarns on the downstream side of the plurality of distribution rollers. As a result, it is possible to stabilize the quality of the winding package.

Advantages of the Invention

[0023] According to the present invention, it is possible to suppress the height of the spinning take-up device and make it lower than before, and to shorten the yarn hanging time and reduce the man-hours.

Brief Description of the Drawings

[0024]

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Embodiments for Carrying Out the Invention

[0025] Hereinafter, the spinning take-up device 1 according to the present invention will be described with reference to the drawings. The spinning take-up device 1 according to the present invention is a device for taking up a yarn for industrial materials of 300 denier or more, for example. FIG. 1 is an example of a perspective view showing an outline of the spinning take-up device 1. FIG. 2 is an example of a side view showing an outline of the spinning take-up device 1.

[0026] In this embodiment, the X direction and the Y direction are defined as shown in FIGS. 1 and 2. Both the X direction and the Y direction are horizontal directions and are perpendicular to each other. The X direction is one direction indicated by an arrow in FIGS. 1 and 2. Therefore, when referring to "the direction opposite to the X direction" in this specification, it means the direction opposite to the arrow shown in FIGS. 1 and 2. On the other hand, the Y direction is two directions indicated by arrows in FIGS. 1 and 2.

[0027] [1. Overall Configuration of Spinning and Take-up Device] The overall configuration of the spinning and take-up device 1 will be described with reference to FIGS. 1 and 2. As shown in FIGS. 1 and 2, the spinning and take-up device 1 mainly includes, in order from the upstream side in the yarn running direction, an oil supply section 2, a yarn suction section 4, a spinning and take-up section 6, and a winding section 8.

[0028] The oil supply section 2 has a plurality of oil supply sections 2. These plurality of oil supply sections 2 are arranged in a row in the left-right direction on the plane of FIG. 2. Here, the reason for describing "arranged in a row in the left-right direction on the plane of FIG. 2" instead of "arranged in a row in the X direction" will be described later with reference to FIG. 4.

[0029] Although not shown in FIGS. 1 and 2, a spinning machine is arranged above the plurality of oil supply sections 2. The plurality of oil supply sections 2 apply an oil agent to the yarn 100 that has become a bundle of filaments spun from the spinning machine. In this embodiment, the spinning and take-up device 1 includes the oil supply section 2, but it is not limited thereto, and the spinning machine may be provided with the oil supply section 2.

[0030] The yarn suction part 4 has a plurality of yarn suction parts 4, which are generally called aspirators. When the spinning take-up device 1 is provided with an oil supply part 2, these plurality of yarn suction parts 4 are respectively provided directly below the corresponding oil supply part 2, and temporarily suck and hold the yarn 100 when the yarn 100 is wound around each roller or when the yarn is broken. The yarn 100 coated with an oil agent by the oil supply part 2 passes through the front surface of the yarn suction part 4 downward and travels toward the first guide part 10 described later. All of the plurality of yarn suction parts 4 are mainly configured to generate a suction force at the suction port by the flow of compressed fluid.

[0031] The spinning take-up part 6 mainly includes, in order from the upstream side in the yarn traveling direction, a first guide part 10, a first yarn feed roller 20, a stretching part 28, a relaxation part 60, and a distribution part 70. Details of the first guide part 10, the first yarn feed roller 20, the stretching part 28, the relaxation part 60, and the distribution part 70 will be described later.

[0032] The winding part 8 mainly includes a main frame 80, a first winding device 81, and a second winding device 91. The first winding device 81 and the second winding device 91 are arranged side by side in the Y direction. Since the first winding device 81 and the second winding device 91 have the same structure, hereinafter, the first winding device 81 will be described, and the description of the second winding device 91 will be omitted. In the present embodiment, the winding part 8 is provided with two units, namely, the first winding device 81 and the second winding device 91, but it is not limited thereto, and it may be provided with one winding device.

[0033] The first winding device 81 mainly includes a disk-shaped turret 82 rotatably provided on the main frame 80, two winding shafts 84 cantilever-supported on the turret 82 with the X direction as the axial direction, and a plurality of shedding devices 85 for performing shedding of the yarn 100.

[0034] A plurality of bobbins 86 are serially mounted on the winding shaft 84. The winding shaft 84 rotates by the drive of a motor (not shown), rotates the plurality of bobbins 86 mounted on the winding shaft 84, and winds the yarn 100 around the rotating plurality of bobbins 86. The yarn 100 wound around the bobbin 86 forms a winding package.

[0035] Here, the positional relationship between the drawing unit 28 of the spinning take-up unit 6 and the winding unit 8 will be continuously described with reference to FIGS. 1 and 2. The drawing unit 28 is located upstream of the winding unit 8 in the yarn running direction and is arranged on the side opposite to the X direction with respect to the winding unit 8. Specifically, the drawing unit 28 and the winding unit 8 are horizontally arranged on the same floor such that the axial direction of the winding shaft 84 and the running direction of the yarn 100 at the drawing unit 28 in a plan view are parallel. That is, in the present embodiment, unlike the conventional spinning take-up device in which the working area on the first floor is divided vertically, the winding unit is arranged in the lower working area on the first floor and the drawing unit is arranged in the upper working area, the drawing unit 28 is arranged at a height position substantially the same as that of the winding unit 8. By doing so, the drawing unit 28 can be arranged to such an extent that one operator can perform the yarn threading operation of the drawing unit and the winding unit without using a work cart or the like. As a result, it is possible to shorten the yarn threading operation time and achieve labor saving.

[0036] Near the upper part of the drawing unit 28, the first guide part 10 is arranged. Further, the yarn suction part 4 is arranged directly above the first guide part 10, and the oil supply part 2 is arranged directly above the yarn suction part 4. The operational effects achieved by arranging each member in the vicinity will be described later, including the positional relationship with the first yarn feed roller 20.

[0037] [2. Spinning take-up unit] Hereinafter, the first guide part 10, the first yarn feed roller 20, the drawing unit 28, the relaxation part 60, and the distribution part 70 provided in the spinning take-up unit 6 will be described.

[0038] [2-1. First guide part, first yarn feed roller] FIG. 3 is an example of a side view showing the periphery of the first guiding part 10. As shown in FIG. 3, the first guiding part 10 is mainly composed of a plurality (for example, 12) of direction-changing rollers 10A to 10L. The plurality of direction-changing rollers 10A to 10L are arranged in a line in the left-right direction on the plane of FIG. 3. Specifically, the direction-changing rollers 10A to 10F are arranged from left to right on the plane of FIG. 3, and the direction-changing rollers 10G to 10L are arranged from right to left on the plane of FIG. 3. Here, the reason for describing "arranged in a line in the left-right direction on the plane of FIG. 3" instead of "arranged in a line in the X direction" will be described later with reference to FIG. 4 in combination with the plurality of oil supply parts 2 described as "arranged in a line in the left-right direction on the plane of FIG. 2".

[0039] In this embodiment, although it has been described that the plurality of direction-changing rollers 10A to 10L are arranged in a line in the left-right direction on the plane of FIG. 3, the plurality of direction-changing rollers 10A to 10L may be arranged horizontally or may be arranged with a shift in the up-down direction.

[0040] The plurality of direction-changing rollers 10A to 10L are rollers for sending a plurality (for example, 12) of yarns 100 spun downward from a spinning machine and coated with an oil agent to a first yarn feeding roller 20 located below the horizontal direction for each of the plurality of yarns 100. Note that "below the horizontal direction" is preferably slightly below the horizontal direction. For example, it is preferable that the acute angle formed by the yarn traveling direction of the yarn 100 sent from the direction-changing rollers 10A to 10L to the first yarn feeding roller 20 and the horizontal plane is greater than 5 degrees and not more than 30 degrees. The "acute angle formed by the yarn traveling direction of the yarn 100 sent from the direction-changing rollers 10A to 10L to the first yarn feeding roller 20 and the horizontal plane" corresponds to the angle α shown in FIG. 3.

[0041] The yarn 100 whose traveling direction is changed by the direction-changing rollers 10A to 10F is sent to a first winding device 81 (see FIG. 1) and wound. Also, the yarn 100 whose traveling direction is changed by the direction-changing rollers 10G to 10L is sent to a second winding device 91 (see FIG. 1) and wound.

[0042] The first yarn feed roller 20 is a roller provided on the yarn path from the first guide part 10 to the extension part 28, and is a roller having an axial direction in a direction substantially orthogonal to both the yarn running direction and the vertical direction (i.e., the Y direction). The first yarn feed roller 20 is located between the first guide part 10 (i.e., the plurality of direction-changing rollers 10A to 10L) and the extension part 28 in the vertical direction, and is arranged on the side opposite to the X direction with respect to both the first guide part 10 (more specifically, the direction-changing roller 10G) and the extension part 28 in the horizontal direction. That is, while the first guide part 10 and the extension part 28 are vertically arranged at positions overlapping in plan view, the first yarn feed roller 20 is arranged at a position deviated horizontally from both the first guide part 10 and the extension part 28 and does not overlap them in plan view. However, from the viewpoint of space saving, it is preferable that the first yarn feed roller 20 is in the vicinity of the first guide part 10 and the extension part 28 in the horizontal direction.

[0043] In this way, by arranging the first guide part 10 near the upper part of the extension part 28 and arranging the first yarn feed roller 20 at a position deviated to the side opposite to the X direction with respect to both the first guide part 10 and the extension part 28, the vertical distance between the first guide part 10 and the extension part 28 can be reduced. Further, by reducing the vertical distance between the first guide part 10 and the extension part 28, the heights of the first guide part 10, the yarn suction part 4 arranged directly above the first guide part 10, and the oil supply part 2 arranged directly above the yarn suction part 4 can also be suppressed, and the entire spinning take-up device 1 can be made low-floor. As a result, it is not necessary to divide the working area on the first floor vertically as in the conventional case and arrange an operator in each working area, and it becomes possible to perform the yarn hanging operation by one operator, so that the yarn hanging operation time can be shortened and labor saving can be achieved.

[0044] The yarn 100 sent out from the first yarn feed roller 20 advances toward the extension part 28. The winding angle of the yarn 100 around the first yarn feed roller 20 is less than 360 degrees.

[0045] A plurality of yarns 100 spun downward from the spinning machine not only contact the respective roller surfaces of the plurality of direction-changing rollers 10A to 10L, but are wound at a winding angle of, for example, 45 degrees or more and less than 90 degrees. In particular, by installing the first yarn feed roller 20 on the side opposite to the X direction from the direction-changing roller 10G and making the angle α as small as possible, it becomes possible to increase the winding angle of the yarn around each of the direction-changing rollers 10A to 10L, and the gripping force between the yarn 100 and each of the direction-changing rollers 10A to 10L increases. Therefore, tension can be applied to the yarn 100 between the plurality of direction-changing rollers 10A to 10L and the first yarn feed roller 20, and the running of the yarn 100 on the downstream side of the plurality of direction-changing rollers 10A to 10L can be stabilized. Furthermore, a guide for finely adjusting the tension on the yarn, as conventionally provided, becomes unnecessary, and accordingly, the oil supply unit 2 and the yarn suction unit 4 can be arranged at a lower position than a yarn take-up device equipped with a guide. Moreover, since the running direction of the yarn 100 is changed by the rollers, the burden on the yarn 100 can be reduced as much as possible. When the yarn separation position on the circumferential surfaces of the plurality of direction-changing rollers 10A to 10L is vertically lower than the yarn entry position on the circumferential surface of the first yarn feed roller 20, the winding angle in contact with each roller surface of the plurality of direction-changing rollers 10A to 10L exceeds 90 degrees.

[0046] The plurality of direction-changing rollers 10A to 10L are each provided with a plurality of motors (motors 76 shown in FIG. 10 described later) corresponding to each roller. When the first yarn feed roller 20 is arranged at a position deviated from either the first guide portion 10 or the extension portion 28 on the side opposite to the X direction, the distances from each of the direction-changing rollers 10A to 10L to the first yarn feed roller 20 (that is, the yarn lengths) are different, and there is a possibility that the tension may be different for each of the plurality of yarns 100. Therefore, by enabling each of the plurality of direction-changing rollers 10A to 10L to be individually driven, the yarn feed speed is stabilized, and it becomes possible to suppress variations in yarn tension even when the yarn lengths are different.

[0047] Next, with reference to FIG. 4, the positional relationship among the plurality of oil supply units 2, the plurality of yarn suction units 4, and the plurality of direction-changing rollers 10A to 10L will be described. FIG. 4 is an example of a plan view showing the plurality of oil supply units 2, the plurality of yarn suction units 4, and the first yarn feed roller 20.

[0048] As shown in FIG. 4, in the oil supply unit 2, the plurality of oil supply units 2A to 2L are arranged in a row at equal intervals in the left-right direction and in the Y direction (i.e., the direction orthogonal to both the winding shaft 84 (see FIG. 1) and the vertical direction) on the plane of FIG. 4. Further, although not shown in FIG. 4, the yarn suction units 4A to 4L (see FIG. 3) are arranged directly below each of the oil supply units 2A to 2L. Similar to the direction-changing rollers 10A to 10L, the oil supply units 2A to 2F are arranged from left to right on the plane of FIG. 4, and the oil supply units 2G to 2L are arranged from right to left on the plane of FIG. 4.

[0049] Also, although the first guide part 10 (the plurality of direction-changing rollers 10A to 10L) is not shown in FIG. 4, the direction-changing rollers 10A to 10L are arranged directly below each of the yarn suction units 4A to 4L. Therefore, the plurality of direction-changing rollers 10A to 10L are also arranged in a row at equal intervals in the Y direction with a shift. By doing so, the plurality of yarns 100 spun from the spinning machine can proceed while being shifted from each other in the Y direction so as to be parallel in plan view, and it is possible to prevent the yarns from interfering with or entangling with each other. In particular, in the present embodiment, the vertical distance between the first guide part 10 and the stretching part 28 is made small, but even in such a case, the plurality of yarns 100 can be made to run in parallel, and it is possible to prevent the plurality of yarns from interfering with or entangling with each other. Further, it is possible to easily perform the operation of hanging the yarns on a guide (not shown) or an interlacing device (not shown) that maintains the yarn interval in the yarn path between the plurality of direction-changing rollers 10A to 10L and the distribution rollers 70A to 70L. However, this is not limited thereto. It may not be provided with a guide or an interlacing device that maintains the yarn interval between the plurality of direction-changing rollers 10A to 10L and the distribution rollers 70A to 70L.

[0050] The reason for describing the arrangement of the plurality of oil supply units 2A to 2L and the plurality of yarn suction units 4A to 4L as "displaced in the left-right direction and the Y direction on the plane of FIG. 4" instead of "displaced in the X direction and the Y direction" is that the X direction means one direction. That is, to avoid the possibility of inconsistency with the description of "displaced in the Y direction" when the description of "arranged in the X direction" is construed as being limited to being arranged in series in one direction such as the X direction. In the descriptions with reference to FIGS. 2 and 3, the reason for describing "arranged in a row in the left-right direction on the plane of FIG. 2" or "arranged in a row in the left-right direction on the plane of FIG. 3" instead of "arranged in a row in the X direction" is also for the same purpose. That is, to avoid being construed as not being displaced in the Y direction when described as "arranged in a row in the X direction".

[0051] Incidentally, the numbers of the plurality of oil supply units 2, the plurality of yarn suction units 4, the plurality of direction-changing rollers 10A to 10L, the plurality of shedding devices 85, and the plurality of bobbins 86 are not particularly limited.

[0052] [2-2. Stretching section] FIG. 5 is an example of a side view showing the periphery of the stretching section 28. As shown in FIG. 5, the stretching section 28 mainly includes a plurality of preheating rollers 31 for heating the yarn 100 before stretching, a plurality of stretching rollers 41 arranged downstream of the plurality of preheating rollers 31, and a plurality of heat-setting rollers 51 arranged downstream of the plurality of stretching rollers 41 for conditioning the stretched yarn 100.

[0053] Incidentally, since the plurality of preheating rollers 31, the plurality of stretching rollers 41, and the plurality of heat-setting rollers 51 are each housed in a heat-insulating box (not shown by a reference sign), they would not originally appear in the drawings, but are shown in each of the figures referred to in this specification for the sake of convenience.

[0054] By the way, conventionally, in order to ensure the heating length, a plurality of turns of yarn were wound around a long roller with a relatively large roller width. However, in the spinning take-up device 1 of the present embodiment, a short roller with a roller width smaller than that of the conventional one is used, and the winding around the roller is less than one turn. However, in order to ensure the heating length while making the winding around the roller less than one turn, a larger number of rollers than before are required. In particular, for example, in a spinning take-up device for producing yarn for industrial materials of 300 denier or more, a longer heating length is required compared to a spinning take-up device for clothing yarn. Therefore, in the spinning take-up device 1 of the present embodiment, a plurality of preheating rollers 31, a plurality of stretching rollers 41, and a plurality of heat setting rollers 51 are horizontally arranged in series in the X direction on the same floor, so that the winding around the roller is less than one turn (the winding angle around the roller is less than 360 degrees), and while ensuring the heating length, the stretching section 28 can be made lower. Note that the plurality of preheating rollers 31, the plurality of stretching rollers 41, and the plurality of heat setting rollers 51 correspond to the "plurality of rollers" of the present invention.

[0055] The yarn feeding speed of at least the most upstream stretching roller 41 among the plurality of stretching rollers 41 is greater than the yarn feeding speed of the most downstream preheating roller 31 among the plurality of preheating rollers 31. Therefore, the yarn 100 is stretched between the most downstream preheating roller 31 among the plurality of preheating rollers 31 and the most upstream stretching roller 41 among the plurality of stretching rollers 41.

[0056] The surface temperature of the plurality of preheating rollers 31 is set to a temperature equal to or higher than the glass transition point of the yarn 100 (for example, 90°C). The surface temperature of the plurality of first stretching rollers 41 is set to a temperature higher than the surface temperature of the preheating rollers 31 (for example, 110°C). The surface temperature of the plurality of heat setting rollers 51 is set to a temperature higher than the surface temperature of the stretching rollers 41 (for example, 130°C).

[0057] In addition, in this embodiment, the surface temperatures of all the rollers of the plurality of preliminary heating rollers 31 are increased, but the present invention is not limited to this. The surface temperature of at least one roller may be increased, and the surface temperatures of the remaining other rollers do not have to be increased. Similarly, in this embodiment, for the plurality of stretching rollers 41 and the plurality of heat setting rollers 51, the surface temperatures of all the rollers are increased, but the present invention is not limited to this. For each of them, the surface temperature of at least one roller may be increased, and the surface temperatures of the remaining other rollers do not have to be increased. Further, it is not essential that the plurality of preliminary heating rollers 31 are set to the same surface temperature. The plurality of preliminary heating rollers 31 may be set to different surface temperatures respectively. The same applies to the plurality of stretching rollers 41 and the plurality of heat setting rollers 51. They may be set to the same surface temperature respectively, or may be set to different surface temperatures respectively.

[0058] [2-3. Relaxing section] FIG. 6 is an example of a side view showing the periphery of the relaxing section 60, the distributing section 70, and the winding section 8. As shown in FIG. 6, the relaxing section 60 is disposed directly above the heat setting roller 51.

[0059] The relaxing section 60 includes a first relaxing roller 61 and a second relaxing roller 62 disposed on the downstream side in the yarn running direction with respect to the first relaxing roller 61. Both the first relaxing roller 61 and the second relaxing roller 62 are rollers having an axial direction in a direction substantially orthogonal to the yarn running direction of the yarn path in a plan view (i.e., the Y direction).

[0060] The yarn 100 sent out from the heat setting roller 51 on the most downstream side among the plurality of heat setting rollers 51 travels in the order of the first relaxing roller 61 and the second relaxing roller 62. Note that the second relaxing roller 62 corresponds to the "guide roller" of the present invention.

[0061] The first relaxation roller 61 and the second relaxation roller 62 are arranged so as to be displaced from each other in the vertical direction. Also, in the X direction, the first relaxation roller 61 is arranged on the X-direction side and the second relaxation roller 62 is arranged on the side opposite to the X direction, with the two being displaced from each other. By arranging the first relaxation roller 61 and the second relaxation roller 62 in this way, the height of the second relaxation roller 62 can be suppressed, and the threading operation onto the second relaxation roller 62 can be facilitated.

[0062] The winding angles of the thread 100 around the first relaxation roller 61 and the second relaxation roller 62 are both less than 360 degrees. The surface temperatures of the relaxation rollers 61 and 62 are set to a temperature lower (e.g., 100 °C) than that of the heat setting roller 51 so that the internal strain of the thread 100 is relaxed. However, it is not essential that the first relaxation roller 61 and the second relaxation roller 62 be set to the same surface temperature, and they may be set to different surface temperatures for each of the relaxation rollers 61 and 62.

[0063] In this embodiment, the surface temperatures of both the first relaxation roller 61 and the second relaxation roller 62 are raised, but it is not limited to this. For example, among the first relaxation roller 61 and the second relaxation roller 62, the surface temperature of at least one roller may be raised, and the surface temperatures of the other rollers may not be raised.

[0064] The thread 100 sent out from the second relaxation roller 62 arranged on the downstream side in the thread running direction in the relaxation section 60 is guided to the distribution section 70. The relaxation section 60 and the distribution section 70 correspond to the "second guiding section" of the present invention.

[0065] [2-4. Distribution section] As shown in FIG. 6, the distribution section 70 includes a plurality of distribution rollers 70A to 70F. The plurality of distribution rollers 70A to 70F are horizontally arranged in series in the X direction in the order of distribution roller 70A, distribution roller 70B, distribution roller 70C, distribution roller 70D, distribution roller 70E, and distribution roller 70F.

[0066] In addition, a plurality of bobbins 86A to 86F can be mounted on one winding shaft 84 of the first winding device 81. In the present embodiment, the plurality of bobbins 86A to 86F are mounted on the winding shaft 84 of the first winding device 81 in the X direction in the order of bobbin 86A, bobbin 86B, bobbin 86C, bobbin 86D, bobbin 86E, and bobbin 86F.

[0067] The plurality of distribution rollers 70A to 70F respectively correspond to the plurality of bobbins 86A to 86F. Each of the distribution rollers 70A to 70F changes the traveling direction of the yarn 100 sent from the second relaxation roller 62 downward. In this way, the plurality of yarns 100 are sent from the respective distribution rollers 70A to 70F to the corresponding bobbins 86A to 86F for each yarn 100.

[0068] The plurality of bobbins 86A to 86F respectively wind up the yarn 100 whose traveling direction has been changed by the corresponding distribution rollers 70A to 70F to form winding packages. Note that directly above each of the plurality of bobbins 86A to 86F, a plurality of shedding devices 85A to 85F corresponding to the respective bobbins 86A to 86F are arranged. However, in FIG. 6, for the sake of convenience, only the shedding device 85A and the shedding device 85F are provided with reference numerals, and the reference numerals for the shedding devices 85B to 85E are omitted. Also, directly above the plurality of shedding devices 85A to 85F, a plurality of distribution rollers 70A to 70F corresponding to the plurality of shedding devices 85A to 85F, that is, the plurality of bobbins 86A to 86F, are arranged respectively.

[0069] FIG. 7 is an example of a plan view showing the periphery of the distribution unit 70. As shown in FIG. 7, the distribution unit 70 includes, in addition to the plurality of distribution rollers 70A to 70F described above, a plurality of distribution rollers 70G to 70L. The plurality of yarns 100 sent out from the second relaxation roller 62 are sent in the direction toward the distribution rollers 70A to 70F and in the direction toward the distribution rollers 70G to 70L.

[0070] As described above, the plurality of distributing rollers 70A to 70F correspond to the plurality of bobbins 86A to 86F mounted on the winding shaft 84 of the first winding device 81. On the other hand, the plurality of distributing rollers 70G to 70L correspond to the plurality of bobbins (not shown) mounted on the winding shaft 84 of the second winding device 91 (see FIG. 1). Therefore, each of the distributing rollers 70G to 70L changes the traveling direction of the yarn 100 sent from the second relaxation roller 62 downward, similarly to each of the distributing rollers 70A to 70F.

[0071] In this way, the yarn 100 sent from the heat setting roller 51 (see FIG. 6) on the most downstream side of the stretching section 28 (see FIG. 6) is sent to the winding section 8 via the relaxation section 60 and the distribution section 70. That is, the yarn 100 sent from the heat setting roller 51 on the most downstream side once travels upward from the stretching section 28 and is wound around the winding section 8 via the relaxation section 60 and the distribution section 70. Therefore, even when the winding section 8 and the stretching section 28 are horizontally arranged on the same floor, the yarn 100 sent from the stretching section 28, that is, the heat setting roller 51 on the most downstream side, can be wound around the winding section 8. That is, by winding the yarn 100 sent from the heat setting roller 51 on the most downstream side around the winding section 8 via the relaxation section 60 and the distribution section 70 arranged at a position higher than the winding section 8, it is possible to contribute to horizontally arranging the stretching section 28 on the same floor as the winding section 8. As a result, the height of the stretching section 28 can be suppressed and the floor can be lowered, and thus the height of the spinning take-up device 1 can be suppressed and the floor can be lowered.

[0072] [2-5. Yarn path from relaxation section to distribution section] Next, the yarn path from the relaxation section 60 to the distribution section 70 will be described with reference to FIG. 7. As shown in FIG. 7, the plurality of (for example, 12) yarns 100 sent out from the second relaxation roller 62 travel along any one of the plurality of yarn paths 96A to 96L that are separated in a direction orthogonal to the yarn path in a plan view.

[0073] The yarn path 96A is the path of the yarn 100 traveling toward the distributing roller 70A. The yarn 100 traveling along the yarn path 96A is the yarn 100 sent from the direction-changing roller 10A. Similarly, the yarn paths 96B to 96L are the paths of the yarn 100 traveling toward the distributing rollers 70B to 70L, respectively. The yarns 100 traveling along the yarn paths 96B to 96L are the yarns 100 sent from the direction-changing rollers 10B to 10L, respectively.

[0074] The yarn paths 96A to 96F are separated from each other in the Y direction. Similarly, the yarn paths 96G to 96L are separated from each other in the Y direction. Also, as described above with reference to FIG. 4, the plurality of direction-changing rollers 10A to 10L (see FIG. 3) are arranged offset in the Y direction. Further, the plurality of yarns 100 travel while maintaining parallelism between the first guide part 10 (see FIG. 2) and the second relaxation roller 62, and the traveling direction in plan view is only in the X direction. Therefore, between the first guide part 10 (see FIG. 2) and the extension part 28 (see FIG. 2), the yarn 100 can be made to travel so that the yarn path does not shift in the axial direction of each roller (the direction-changing rollers 10A to 10L, the first yarn feed roller 20, the plurality of preliminary heating rollers 31, the plurality of first stretching rollers 41, the plurality of heat setting rollers 51, the plurality of relaxation rollers 61, 62).

[0075] [2-6. Positional relationship between the relaxation part and the distribution part] Next, in the case where the plurality of distributing rollers 70A to 70F are horizontally arranged in series in the X direction, the positional relationship between the relaxation part 60 and the distribution part 70, more specifically, the height positional relationship between the second relaxation roller 62 on the most downstream side of the relaxation part 60 and each of the distributing rollers 70A to 70F will be described.

[0076] FIG. 8 is an example of a side view of the second relaxation roller 62 and each of the distribution rollers 70A to 70F. When a plurality (for example, 12 in this embodiment) of yarns 100 sent from the stretching unit 28 (see FIG. 6) are wound around the winding unit 8 via the relaxation unit 60 and the distribution unit 70 as in the spinning take-up device 1 of the present embodiment, the following requirements need to be satisfied. That is, for example, the yarn 100 up to the contact points of the distribution rollers 70F and 70L (see FIG. 7) that are the farthest from the second relaxation roller 62 should not contact the roller surfaces of the other distribution rollers 70A to 70E, 70G to 70K (see FIG. 7) and other rollers on the upstream side of the second relaxation roller 62 (for example, the first relaxation roller 61 (for example, see FIG. 6)). Therefore, it is necessary to arrange the relaxation unit 60 (the first relaxation roller 61, the second relaxation roller 62) and the distribution rollers 70A to 70L within a range that satisfies this requirement.

[0077] Incidentally, the lower limit in the height direction where the distribution rollers 70A to 70F can be arranged is determined by, for example, the relative positional relationship with the twill shaking devices 85A to 85F, the bobbins 86A to 86F (all shown in FIG. 8), etc. Therefore, in order to suppress the height of the second relaxation roller 62, it is preferable to arrange the distribution rollers 70A to 70F at the lower limit in the height direction or at a position close to the lower limit, and then determine the height position of the second relaxation roller 62 within the range that satisfies the above requirements. Although it also varies depending on the distance from the second relaxation roller 62 to the contact points of the respective distribution rollers 70A to 70L (see FIG. 7), in the present embodiment, the second relaxation roller 62 is arranged such that the acute angle formed by the yarn traveling direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F and the horizontal plane is, for example, greater than 0 degrees and 20 degrees or less. By arranging the second relaxation roller 62 at as low a position as possible in this way, it becomes possible to prevent the yarn hanging operation on the second relaxation roller 62 from being a high-altitude operation. The "acute angle formed by the yarn traveling direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F and the horizontal plane" corresponds to the angle β shown in FIG. 9. Note that FIG. 9 is an example of a schematic diagram showing the acute angle β formed by the yarn traveling direction of the yarn 100 sent from the second relaxation roller 62 to the distribution roller 70A and the horizontal plane. In FIG. 9, among the plurality of distribution rollers 70A to 70F, the distribution roller 70A is shown as an example. In the present embodiment, the yarn traveling direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F and Water The second relaxation roller 62 is arranged such that the acute angle β formed by the horizontal plane is, for example, greater than 0 degrees and 20 degrees or less.

[0078] However, as described above, the distribution rollers 70A to 70F are horizontally arranged in series in the X direction. Therefore, the acute angle β formed by the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F and the horizontal plane varies according to the distance from the second relaxation roller 62 to each of the distribution rollers 70A to 70F. Specifically, the closer the distance from the second relaxation roller 62, the larger the angle β. That is, the angle β is the largest for the acute angle β formed by the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to the distribution roller 70A and the horizontal plane, and the smallest for the acute angle β formed by the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to the distribution roller 70F. Therefore, when the angle β is greater than 0 degrees and less than or equal to 20 degrees, the second relaxation roller 62 may be arranged such that the angle β formed by the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to the distribution roller 70F and the horizontal plane is greater than 0 degrees, and the acute angle β formed by the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to the distribution roller 70A and the horizontal plane is less than or equal to 20 degrees.

[0079] In addition, each of the distribution rollers 70A to 70F and each of the distribution rollers 70G to 70L (see FIG. 7) are in a paired relationship. Therefore, the angle β formed by the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70G to 70L and the horizontal plane is approximately the same as the angle β formed by the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F and the horizontal plane, respectively.

[0080] [2-7. Mounting Mode of Distribution Roller] Next, the mounting modes of the respective distribution rollers 70A to 70L will be described with reference to FIG. 10. FIG. 10 is an example of a cross-sectional view taken in a direction orthogonal to the X direction on the X direction side of the respective distribution rollers 70A to 70L. More specifically, FIG. 10(A) is a cross-sectional view taken along line A-A shown in FIG. 8. FIG. 10(B) is a cross-sectional view taken along line B-B shown in FIG. 8. FIG. 10(C) is a cross-sectional view taken along line C-C shown in FIG. 8. FIG. 10(D) is a cross-sectional view taken along line D-D shown in FIG. 8. FIG. 10(E) is a cross-sectional view taken along line E-E shown in FIG. 8. FIG. 10(F) is a cross-sectional view taken along line F-F shown in FIG. 8.

[0081] As shown in FIGS. 10(A) to 10(F), the axial directions of the distribution rollers 70A to 70L are all inclined with respect to the horizontal direction. The reason for inclining the axial directions of the distribution rollers 70A to 70L with respect to the horizontal direction is to enable each of the plurality of distribution rollers 70A to 70L to avoid the yarn 100 traveling along the yarn paths 96A to 96L corresponding to the other distribution rollers 70A to 70L. Moreover, with a simple configuration that only inclines the axial directions of the distribution rollers 70A to 70L with respect to the horizontal direction, it becomes possible to avoid contact between the yarn and the roller surface.

[0082] In view of the purpose of "preventing the yarn 100 from the contact points of the distribution rollers 70F and 70L, which are the farthest from the second relaxation roller 62, from contacting the roller surfaces of the other distribution rollers 70A to 70E and 70G to 70K", it is not essential to incline the axial directions of the distribution rollers 70F and 70L with respect to the horizontal direction.

[0083] Regarding the mounting modes of the distribution rollers 70A to 70L in detail, the distribution rollers 70A to 70F are mounted on the mounting surface 72a on one side (the right side of the paper surface in FIG. 10) of the mounting frame 72, and the distribution rollers 70G to 70L are mounted on the mounting surface 72b on the other side (the left side of the paper surface in FIG. 10) of the mounting frame 72. The mounting frame 72 is arranged such that, in the paper surface of FIG. 10, the mounting surface 72a on one side slopes downward to the lower right from above, and the mounting surface 72b on the other side slopes downward to the lower left from above. Since the distribution rollers 70A to 70F are mounted such that the axial direction is orthogonal to the mounting surface 72a on one side, the axial direction of the distribution rollers 70A to 70F is an upward direction from the base end portion on the side mounted on the mounting surface 72a on one side to the tip end portion on the side opposite to the base end portion. Similarly, since the distribution rollers 70G to 70L are mounted such that the axial direction is orthogonal to the mounting surface 72b on the other side, the axial direction of the distribution rollers 70G to 70L is an upward direction from the base end portion to the tip end portion. In the present embodiment, the distribution rollers 70A to 70F are mounted on the mounting surface 72a on one side such that the acute angle formed by the axial direction and the horizontal direction is approximately 30 degrees. On the other hand, the distribution rollers 70G to 70L are mounted on the mounting surface 72b on the other side such that the acute angle formed by the axial direction and the horizontal direction is approximately 30 degrees.

[0084] In this way, by inclining the distribution rollers 70A to 70L so as to face upward from the base end portion to the tip end portion, it is possible to prevent the yarn 100 from contacting the surfaces of other distribution rollers until the yarn 100 reaches the corresponding distribution roller. As a result, it becomes possible to allow the plurality of yarns 100 to enter the distribution rollers 70A to 70F and the distribution rollers 70G to 70L in parallel, and it becomes possible to suppress the heights of the first relaxation roller 61 and each of the distribution rollers 70A to 70L.

[0085] In addition, when the distributing rollers 70A to 70L are horizontally arranged along the yarn paths of the plurality of yarns 100 (i.e., in the X direction), at points where the distances from the second relaxation roller 62 are the same, the yarn 100 traveling along the yarn path to the distributing roller with a larger distance from the second relaxation roller 62 travels at a higher position. Therefore, in theory on the machine, it may seem that the yarn 100 does not contact the surfaces of other distributing rollers even without inclining the distributing rollers 70A to 70L. However, in reality, due to the deflection, vibration, etc. of the yarn 100, if the distributing rollers 70A to 70L are not inclined, the yarn 100 may contact the surfaces of other distributing rollers or other parts. Therefore, in the present embodiment, the distributing rollers 70A to 70L are attached such that the axial direction is upward from the base end portion to the tip end portion. By doing so, it is possible to secure the yarn paths 96B to 96F, 96H to L of each yarn on the yarn path until the yarn 100 reaches the corresponding distributing roller, and thus it is possible to secure a space in which the yarn 100 can travel even if deflection, vibration, etc. occur. In particular, it is possible to cause the yarn 100 up to the contact points of the distributing rollers 70F and 70L with the largest distances from the second relaxation roller 62 to travel without contacting the roller surfaces of the other distributing rollers 70A to 70E, 70G to 70K.

[0086] Further, the distributing rollers 70A to 70L are each provided with a motor 76 corresponding to each roller. In the spinning take-up device 1 of the present embodiment, since the distances from the second relaxation roller 62 to the respective distributing rollers 70A to 70L are different, there is a possibility that the tensions of the plurality of yarns 100 are different on the downstream side of each of the distributing rollers 70A to 70L. If the tensions are different for each of the plurality of yarns 100, it becomes difficult to keep the quality of the wound package constant according to the bobbin to be wound. Therefore, by enabling each of the plurality of distributing rollers 70A to 70L to be individually driven, it is possible to reduce the tension difference of the plurality of yarns 100 on the downstream side of each of the distributing rollers 70A to 70L, and thus it is possible to stabilize the quality of the wound package.

[0087] [3. Operational Effects] According to the spinning take-up device 1 of the present embodiment described above, a plurality of yarns 100 from the stretching unit 28 are sent to the winding unit via the second relaxation roller 62 and the distribution unit 70. Therefore, the stretching unit 28 and the winding unit 8 can be horizontally arranged on the same floor such that the axial direction of the winding shaft 84 is parallel to the traveling direction of the yarn 100 in the stretching unit 28 in plan view. As a result, it is not necessary to divide the working area on the first floor vertically as in the prior art and arrange an operator in each working area, and it becomes possible to perform the yarn threading work by one operator, so that the yarn threading work time can be shortened and labor saving can be achieved.

[0088] Further, the second relaxation roller 62 and the distribution rollers 70A to 70L are arranged such that the angle β formed by the traveling direction of the yarn 100 sent from the second relaxation roller 62 and the horizontal plane is 0 degrees or more and 20 degrees or less. By the way, the lower limit in the height direction of the distribution rollers 70A to 70L is determined by, for example, the relative positional relationship with a plurality of dobby devices 85A to 85F, bobbins 86A to 86F, and the like. Therefore, by arranging the second relaxation roller 62 and the distribution rollers 70A to 70L such that the angle β formed by the traveling direction of the yarn 100 sent from the second relaxation roller 62 and the horizontal plane is 0 degrees or more and 20 degrees or less, it becomes possible to suppress the height of the second relaxation roller 62 and the distribution rollers 70A to 70L.

[0089] Further, a plurality of distribution rollers 70A to 70L are arranged in a row along the yarn path from the second relaxation roller 62 to the distribution rollers. Also, the yarn paths from the second relaxation roller 62 to the distribution rollers 70A to 70L are formed with a plurality of yarn paths 96A to 96L separated in a direction orthogonal to the yarn path in plan view corresponding to the plurality of distribution rollers 70A to 70L. And each of the plurality of distribution rollers 70A to 70L is arranged so as to avoid the yarn paths 96A to 96L corresponding to the other distribution rollers 70A to 70L. Specifically, the axial direction of the distribution rollers 70A to 70L is inclined with respect to the horizontal direction. Therefore, it becomes possible to prevent the yarn 100 sent from the second relaxation roller 62 from contacting the roller surfaces of the other distribution rollers 70A to 70L.

[0090] Also, a plurality of motors 76 corresponding to each of the plurality of distributing rollers 70A to 70L are provided. Therefore, each of the plurality of distributing rollers 70A to 70L can be individually driven, and it is possible to reduce the tension difference of the plurality of yarns 100 on the downstream side of the plurality of distributing rollers 70A to 70L. As a result, it is possible to stabilize the quality of the winding package. In particular, since the distances of the plurality of distributing rollers 70A to 70L from the second relaxation roller 62 are different, a tension difference is likely to occur. However, by providing the plurality of motors 76 corresponding to each of the plurality of distributing rollers 70A to 70L, it is possible to reduce and stabilize the tension difference of the plurality of yarns 100 on the downstream side of the plurality of distributing rollers 70A to 70L.

[0091] [4. Modification Example] Next, a modification example in which various changes are made to the spinning and winding device 1 of the present embodiment will be described. However, in describing the modification example, those having the same configuration as the above-described embodiment will be given the same reference numerals and their description will be omitted as appropriate.

[0092] [4-1. First Modification Example] In the above-described embodiment, for example, as shown in FIG. 2, the stretching unit 28 is horizontally arranged on the same floor as the winding unit 8, and the yarn 100 sent from the stretching unit 28 is sent to the winding unit 8 via the relaxation unit 60 arranged above the stretching unit 28 and the distribution unit 70, but it is not limited thereto. That is, it is not essential that the relaxation unit 60 is arranged above the stretching unit 28.

[0093] FIG. 11 is an example of a side view showing an outline of a spinning and take-up device 1A according to a first modified example. In the spinning and take-up device 1A shown in FIG. 11, a relaxation section 60 is disposed on the downstream side of the stretching section 28. Also, second yarn feed rollers 94 and 95 are disposed above the relaxation section 60. And the yarn 100 fed from the relaxation section 60 is sent to the winding section 8 via the second yarn feed rollers 94 and 95 and the distribution section 70. Even in such a case, the yarn 100 fed from the relaxation section 60 can be made to travel upward once above the stretching section 28 and the relaxation section 60 and then sent to the winding section 8 via the second yarn feed rollers 94 and 95 and the distribution section 70. Therefore, even if the winding section 8 and the stretching section 28 are horizontally disposed on the same floor, the yarn 100 fed from the stretching section 28 can be wound up by the winding section 8. Note that the number of the second yarn feed rollers is not limited to two. It may be one or three or more. The number of the second yarn feed rollers can be appropriately selected according to the contact angle and contact area of the yarn wound around the circumferential surface of the second yarn feed rollers by the yarn 100 fed from the relaxation section 60. In the spinning and take-up device 1A according to the first modified example, the second yarn feed rollers correspond to the "guide rollers" of the present invention.

[0094] [4-2. Second Modified Example] In the above-described embodiment, for example, as shown in FIG. 10, the distribution rollers 70A to 70L are attached such that the axial direction is upward from the base end portion to the tip end portion. By attaching the distribution rollers 70A to 70L in this way, for example, it is possible to prevent the yarn 100 up to the contact points of the distribution rollers 70F and 70L that are the farthest from the second relaxation roller 62 from contacting the roller surfaces of the other distribution rollers 70A to 70E and 70G to 70K. However, the shape of the distribution rollers 70A to 70L and the attachment mode of the distribution rollers 70A to 70L do not have to be the shape and attachment mode shown in FIG. 10, and for example, those shown in FIG. 12 may be used.

[0095] FIG. 12 is a diagram showing a second modified example in which the shape of the distribution roller and the mounting mode of the distribution roller are modified. In FIG. 12, by changing the shape of the distribution roller, for example, the yarn 100 up to the contact points of the distribution rollers 77F and 77L farthest from the second relaxation roller 62 does not contact the roller surfaces of the other distribution rollers 77A to 77E and 77G to 77K.

[0096] Specifically, the distribution rollers 77A to 77L shown in FIG. 12 are distribution rollers having a conical cross-section with the roller diameter increasing from the base end portion to the tip end portion, and are attached to the mounting surface 72a on one side (the right side of the paper surface in FIG. 12) or the mounting surface 72b on the other side (the left side of the paper surface in FIG. 12) of the mounting frame 72 so that the axial direction is the Y direction. Even in such a case, the height of the roller surface can be changed according to the Y-direction position, and a space in which the yarn 100 can travel can be secured on the yarn path until the yarn 100 reaches the corresponding distribution roller. As a result, it is possible to prevent the yarn 100 from the contact points of the distribution rollers 77F and 77L farthest from the second relaxation roller 62 from contacting the roller surfaces of the other distribution rollers 77A to 77E and 77G to 77K.

[0097] Note that for the distribution roller 77F and the distribution roller 77L, it is not essential to use a distribution roller having a conical cross-section, similar to the distribution roller mounted with the axial direction inclined.

[0098] [4-3. Third Modified Example] FIG. 13 is a diagram showing a third modified example in which the shape of the distribution roller and the mounting mode of the distribution roller are modified with the same purport as the second modified example. Also in FIG. 13, for example, the yarn 100 up to the contact points of the distribution rollers 78F and 78L farthest from the second relaxation roller 62 does not contact the roller surfaces of the other distribution rollers 78A to 78E and 78G to 78K.

[0099] Specifically, the dispensing rollers 78A to 78L shown in FIG. 13 are stepped dispensing rollers whose roller diameter increases stepwise from the base end portion to the tip end portion, and are attached to the mounting surface 72a on one side (the right side of the paper surface in FIG. 13) or the mounting surface 72b on the other side (the left side of the paper surface in FIG. 13) of the mounting frame 72 so that the axial direction is the Y direction. Even in such a case, the height of the roller surface can be changed according to the Y-direction position, and a space in which the yarn 100 can travel can be secured on the yarn path until the yarn 100 reaches the corresponding dispensing roller. As a result, for example, it is possible to prevent the yarn 100 from contacting the roller surfaces of the other dispensing rollers 78A to 78E and 78G to 78K up to the contact points of the dispensing rollers 78F and 78L that are the farthest from the second relaxation roller 62.

[0100] Note that for the dispensing roller 78F and the dispensing roller 78L, it is not essential to use stepped dispensing rollers, similar to the dispensing rollers attached with the axial direction inclined.

[0101] Also, it is not essential that the shapes and mounting modes of all of the plurality of dispensing rollers be the same. For example, a plurality of dispensing rollers may include the dispensing rollers attached with the axial direction inclined as described in this embodiment, the dispensing rollers having a conical cross section as described in Modification 2, and the stepped dispensing rollers as described in Modification 3.

[0102] [4-4. Fourth Modification Example] In the above-described embodiment, for example, as shown in FIG. 8, the distribution rollers 70A to 70F are horizontally arranged in series in the X direction, but the present invention is not limited thereto, and the aspect shown in FIG. 14 may also be used. FIG. 14 is a diagram showing a fourth modified example in which the arrangement of the distribution rollers 70A to 70F is changed. For example, as shown in FIG. 14, the distribution rollers 70A to 70F may be arranged along the X direction while changing their respective height positions. That is, for example, if the yarn 100 traveling along the yarn path 96F to the contact point of the distribution roller 70F, which is the farthest from the second relaxation roller 62, can be prevented from contacting the roller surfaces of the other distribution rollers 70A to 70E, the height positions of the distribution rollers 70A to 70F do not have to be horizontal. Although not shown in FIG. 14, the same applies to the distribution rollers 70G to 70L. Thus, according to the configuration shown in FIG. 14, it is possible to prevent each yarn 100 sent from the second relaxation roller 62 from contacting the roller surfaces of the other distribution rollers with a simple configuration in which the plurality of distribution rollers 70A to 70F are arranged while changing their respective height positions.

[0103] When the distribution rollers 70A to 70F are arranged along the X direction while changing their respective height positions as shown in FIG. 14, the acute angle β formed by the yarn traveling direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F and the horizontal plane can be set to 0 degree or an angle smaller than 0 degree.

[0104] FIG. 15 is a schematic diagram showing an example of the positional relationship among the first relaxation roller 61, the second relaxation roller 62, and the distribution rollers 70A to 70F when the distribution rollers 70A to 70F are arranged while changing their respective height positions. FIG. 15(A) is a schematic diagram showing the first arrangement pattern, FIG. 15(B) is a schematic diagram showing the second arrangement pattern, and FIG. 15(C) is a schematic diagram showing the third arrangement pattern.

[0105] In the first to third arrangement patterns shown in FIGS. 15(A) to 15(C), the yarn 100 from the contact point of the second relaxation roller 62 to the distribution roller 70F does not contact the roller surfaces of the other distribution rollers 70A to 70E and the first relaxation roller 61. In any of the first to third arrangement patterns shown in FIGS. 15(A) to 15(C), it is possible to secure a space through which the yarn 100 can travel on the yarn path until the yarn 100 reaches the corresponding distribution roller. Therefore, the yarn 100 from the contact point of the second relaxation roller 62 to the distribution roller 70F can be prevented from contacting the roller surfaces of the other distribution rollers 70A to 70E and the first relaxation roller 61. In the first arrangement pattern shown in FIG. 15(A) and the 15 In the third arrangement pattern shown in FIG. 15(C), the acute angle β formed by the yarn traveling direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F and the horizontal plane can be made smaller than 0 degrees.

[0106] FIG. 16 is a schematic diagram showing another example of the positional relationship among the first relaxation roller 61, the second relaxation roller 62, and the distribution rollers 70A to 70F when the height positions of the distribution rollers 70A to 70F are arranged differently. FIG. 16(A) is a schematic diagram showing the fourth arrangement pattern, and FIG. 16(B) is a schematic diagram showing the fifth arrangement pattern.

[0107] In the fourth arrangement pattern shown in FIG. 16(A), the yarn 100 from the contact point of the second relaxation roller 62 to the distribution roller 70F contacts the roller surfaces of the other distribution rollers 70A to 70E. Also, in the fifth arrangement pattern shown in FIG. 16(B), the yarn 100 from the contact point of the second relaxation roller 62 to the distribution roller 70F contacts the roller surface of the first relaxation roller 61. Therefore, such fourth and fifth arrangement patterns cannot be adopted as the positional relationship among the first relaxation roller 61, the second relaxation roller 62, and the distribution rollers 70A to 70F.

Explanation of Reference Numerals

[0108] 1 Spinning take-up device 6 Spinning take-up section 8 Take-up section 10 First case interior 20 First thread feed roller 28 Extension section 62 Second relaxation roller (inside the second case) 70A - 70L Distribution rollers (inside the second case)

Claims

1. A yarn take-off device comprising a yarn take-off section for taking off a plurality of yarns spun from a spinning machine and at least stretching them, and a winding section for winding the plurality of yarns sent from the yarn take-off section to form a winding package, wherein the yarn take-off section includes a first guide section for guiding the plurality of yarns spun from the spinning machine downstream in the yarn running direction; a stretching section including a plurality of rollers including at least one roller for stretching the plurality of yarns guided from the first guide section; a second guide section for guiding the plurality of yarns from the stretching section to the winding section, the winding section and the stretching section are horizontally arranged on the same floor such that the axial direction of the winding section and the running of the yarns in the stretching section are parallel in plan view, the second guide section includes a guide roller provided downstream in the yarn running direction of the stretching section, and a plurality of distribution rollers arranged downstream in the yarn running direction from the guide roller and having a driving section provided above the winding section, and the plurality of yarns from the stretching section are sent to the winding section via the guide roller and the plurality of distribution rollers. The yarn take-off device is characterized by this.

2. The yarn take-off device further includes a plurality of yarn suction sections capable of sucking the plurality of yarns spun from the spinning machine respectively, the first guide section is installed below the plurality of yarn suction sections and above the stretching section, and includes a direction-changing roller for each of the plurality of yarns to change the running direction of the plurality of yarns, a first yarn feed roller is provided on the yarn path from the plurality of direction-changing rollers to the stretching section, the first yarn feed roller is provided at a position lower than the yarn suction section and deviated from the winding section in the opposite horizontal direction with respect to both the first guide section and the stretching section. The yarn take-off device according to claim 1, characterized by this.

3. The plurality of distribution rollers are arranged such that the angle formed by the yarn running direction of the yarns sent from the guide roller and the horizontal plane is 0 degrees or more and 20 degrees or less. The yarn take-off device according to claim 1 or 2, characterized by this.

4. The plurality of distribution rollers are arranged in series along the yarn paths from the guide roller to each of the plurality of distribution rollers in plan view, and the yarn paths from the guide roller to each of the plurality of distribution rollers form a plurality of yarn paths separated in a direction orthogonal to the yarn path in plan view corresponding to the plurality of distribution rollers. Each of the plurality of distributing rollers is arranged so as to avoid the yarn path corresponding to the other distributing rollers. The yarn take-off device according to any one of claims 1 to 3, characterized in that.

5. The height of the roller surface of each of the plurality of distributing rollers is different according to the position in the direction orthogonal to both the yarn path from the guide roller to the distributing roller and the vertical direction. The yarn take-off device according to any one of claims 1 to 4, characterized in that.

6. At least one of the plurality of distributing rollers has an axial direction inclined with respect to the horizontal direction. The yarn take-off device according to any one of claims 1 to 5, characterized in that.

7. At least one of the plurality of distributing rollers is a conical roller having a different diameter according to the position in the direction orthogonal to both the yarn path from the guide roller to the distributing roller and the vertical direction, or a stepped roller having a different diameter stepwise according to the position in the direction orthogonal to both the yarn path from the guide roller to the distributing roller and the vertical direction. The yarn take-off device according to any one of claims 1 to 6, characterized in that.

8. The plurality of distributing rollers are arranged such that the height position of the roller surface of the distributing roller closest to the guide roller is the lowest, and the height position of the roller surface of the distributing roller increases as the distance from the guide roller increases. The yarn take-off device according to any one of claims 1 to 4, characterized in that.

9. Further comprising a plurality of drive units corresponding to each of the plurality of distributing rollers. The yarn take-off device according to any one of claims 1 to 8, characterized in that.

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