JP7698989B2 - Spinning take-off device - Google Patents

Description

The present invention relates to a spinning take-up device that takes up yarn spun from a spinning machine and forms a winding package, and in particular to a spinning take-up device for industrial material yarns that have a large fineness and require a long heating length.

In a spinning take-up device that takes up the yarn spun from the spinning machine and forms a winding package, at the start of production, a threading operation is required to wind the yarn spun from the spinning machine along the yarn path to the winding section.

In a typical spinning take-up device, as disclosed in Patent Document 1 (see Fig. 1 in particular), for example, a processing assembly including multiple rollers is disposed below the spinning machine, and a winding section is disposed below the processing assembly. When threading is performed in such a spinning take-up device, a threading operator (mezzanine floor operator) who threads the yarn on each roller, etc., is required as an operator on the first floor, and a threading operator who threads the yarn on the winding section disposed below each roller, etc.

US Patent Application Publication No. 2009/0049669

In recent years, there has been a demand for reducing the number of workers required for equipment. However, when performing threading work in the general spinning take-up device described in Patent Document 1, at least two operators are required: a mezzanine worker who threads the rollers, etc., and a threading worker who threads the winding section. In addition, if threading is performed by two operators, a mezzanine worker who threads the rollers, etc., and a threading worker who threads the winding section, the suction gun that is sucking the thread needs to be handed over when threading the rollers, etc., and the winding section, which increases the threading work time. Even if threading is performed by one operator on each roller, etc. and the winding section, the threading work on the mezzanine floor where the rollers are located is a high-altitude work, so the operator needs 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, it is an urgent issue to reduce the height of the spinning take-up device to a low floor, shorten the threading time, and reduce the number of workers.

The present invention was made in consideration of the above problems, and aims to lower the floor of the spinning take-off device compared to conventional methods, shorten the threading time, and reduce the number of people required.

(1) The spinning take-up device of the present invention is
A spinning take-up device including a spinning take-up unit that takes up and at least stretches a plurality of yarns spun from a spinning machine, a plurality of yarn suction units that can respectively suck up the plurality of yarns, and a winding unit that winds up the plurality of yarns sent from the spinning take-up unit to form a winding package,
The spinning take-up section is
a first guide unit provided below the plurality of yarn suction units and including a direction-changing roller for changing a running direction of the plurality of yarns for each of the plurality of yarns;
a stretching unit including a plurality of rollers including at least one roller for stretching the plurality of yarns guided from the first guiding unit;
a second guide section that guides the plurality of yarns from the stretching section to the winding section,
the winding section and the extending section are disposed horizontally on the same floor such that an axial direction of the winding section is parallel to a running direction of the yarn in the extending section in a plan view , and the first guide section is disposed above at least one roller of the extending section,
a first yarn feeding roller is provided on a yarn path from the plurality of direction-changing rollers to the stretching section;
The first yarn feeding roller is provided at a position lower than the yarn suction portion and horizontally offset from the first guiding portion and the extending portion.
The first yarn feeding roller is preferably provided at a position offset from the winding section in the opposite horizontal direction relative to at least the stretching section.
It is also preferable that the first yarn feeding roller is provided at a position horizontally offset from the winding section with respect to both the first guiding section and the stretching section.

According to the spinning take-up device described in (1) above, the winding section and the extension section are arranged horizontally on the same floor so that the axial direction of the winding section is parallel to the running of the yarn in the extension section in a plan view , and the first yarn feed roller is arranged at a position " lower than the yarn suction section and horizontally offset from the first guide section and the extension section,""at a position offset in the opposite horizontal direction from the winding section with respect to at least the extension section," or "at a position offset in the opposite horizontal direction from the winding section with respect to both the first guide section and the extension section ." Therefore, the height of the first guide section arranged above at least one roller of the extension section can be lowered, and the height of the spinning take-up device can be suppressed and the floor can be lowered. As a result, it is no longer necessary to divide the work area on the first floor into upper and lower sections and to place an operator in each work area as in the conventional case, and since threading work can be performed by one operator, the threading work time can be shortened and manpower can be saved.

(2) In the spinning take-up device described in (1) above,
The first guide section is characterized in that the direction-changing rollers provided for each of the plurality of yarns are arranged in a row, offset in a direction perpendicular to the axial direction of the winding shaft of the winding section in a planar view.

According to the spinning take-up device described in (2) above, since the multiple direction-changing rollers are arranged in a row in a direction perpendicular to the axial direction of the winding shaft in a plan view, it is possible to prevent the multiple yarns sent from the multiple direction-changing rollers from interfering with each other or becoming entangled. Furthermore, a guide to maintain the yarn spacing is not required to prevent the yarns from interfering with each other or becoming entangled. In particular, in order to arrange the first guide section at a lower position, it is preferable to reduce the distance between the first guide section and the extension section in the height direction. However, even if the distance between the first guide section and the extension section in the height direction is reduced, the effect of preventing the multiple yarns from interfering with each other or becoming entangled is great.

(3) In the spinning take-up device described in (2) above,
The first guide section is characterized in that the direction-changing rollers provided for each of the multiple yarns are arranged in a row at equal intervals in a direction perpendicular to the axial direction of the winding shaft of the winding section in a planar view.

According to the spinning take-up device described in (3) above, multiple direction-changing rollers are arranged in a row at equal intervals in a direction perpendicular to the axial direction of the winding shaft in a plan view, so that it is easy to thread the yarn onto a guide (not shown) that maintains the yarn spacing and an intertwining device (not shown) that are arranged downstream of the multiple direction-changing rollers in the yarn running direction.

(4) In the spinning take-up device according to any one of (1) to (3),
The direction-changing roller is a roller that changes the running direction of the yarn spun downward from the spinning machine from the horizontal direction to a downward direction.

According to the spinning take-up device described in (4) above, the running direction of the yarn spun downward from the spinning machine is changed downward from the horizontal direction by the direction-changing roller. Therefore, even with the same bending angle, tension can be applied to the yarn with minimal load compared to when a conventional guide is provided. As a result, the height can be reduced by using a direction-changing roller instead of a guide. In addition, it is also possible to reduce the tension difference between multiple yarns by driving each of the multiple direction-changing rollers individually.

(5) In the spinning take-up device according to any one of (1) to (4),
The plurality of rollers includes rollers arranged in two horizontal rows.

According to the spinning take-up device described in (5) above, since the rollers are arranged in two horizontal rows, the height of the rollers can be reduced and the extension section can be made low.

(6) In the spinning take-up device according to any one of (1) to (5) above,
The first yarn feed roller and the plurality of rollers are characterized in that a winding angle of the yarn around each roller is less than 360 degrees, and each roller is arranged such that an axial direction is approximately perpendicular to the yarn path in a plan view.

According to the spinning take-up device described in (6) above, not only is the yarn winding angle of the first yarn feed roller and the multiple rollers less than 360 degrees, but the axial direction is approximately perpendicular to the yarn path in a plan view. Therefore, the multiple yarns run parallel to each other from the first guide section to at least the extension section, with the running direction in a plan view being only the X direction. Therefore, the multiple yarns can be run without the yarn path from the first guide section to at least the extension section being misaligned in the axial direction of each roller.

(7) In the spinning take-up device according to any one of (1) to (6) above,
The plurality of rollers include
At least one pre-heating roller, the surface temperature of which is set to a first temperature, is disposed in two or three positions in the vertical direction below the first guide portion;
At least one stretching roller arranged in two or three vertical positions below the first guide portion, the surface temperature of which is set to a second temperature higher than the first temperature;
The present invention is characterized in that it has at least one heat set roller, two or three of which are arranged in the vertical direction below the first guide portion, and whose surface temperature is set to a third temperature higher than the second temperature.

According to the spinning take-up device described in (7) above, at least one preheating roller, at least one stretching roller, and at least one heat-setting roller are arranged in two or three vertical positions below the first guide section, making it possible to make the stretching section low-floor. In addition, by making the stretching section low-floor, it is possible to avoid having to work at a high altitude when threading the yarn onto the multiple rollers provided in the stretching section.

(8) In the spinning take-up device described in (7) above,
one or more first thermal insulation boxes for housing the at least one pre-heating roller;
one or more second insulated boxes housing the at least one drawing roller;
and one or more third insulated boxes housing the at least one heat-set roller;
The yarn outlet of a first insulated box adjacent to the second insulated box among the one or more first insulated boxes is separated from a yarn inlet of a second insulated box adjacent to the first insulated box among the one or more second insulated boxes, and the yarn outlet of the second insulated box is separated from the yarn inlet of the third insulated box.

According to the spinning take-off device described in (8) above, the device is provided with a plurality of thermal insulation boxes that house the preliminary heating roller, the stretching roller, and the heat-set roller, respectively. Moreover, the yarn outlet side opening of the Nth thermal insulation box and the yarn inlet side opening of the (N+1)th thermal insulation box arranged downstream of the Nth thermal insulation box are not connected to each other and are separated from each other. Therefore, heat transfer between the Nth thermal insulation box and the (N+1)th thermal insulation box can be suppressed. In addition, the target temperature setting management can be easily performed for each thermal insulation box. Note that the number of the first thermal insulation box, the number of the second thermal insulation box, and the number of the third thermal insulation box are not limited to one. For example, a plurality of preliminary heating rollers may be divided and housed in a plurality of first thermal insulation boxes, respectively. Similarly, a plurality of stretching rollers may be divided and housed in a plurality of second thermal insulation boxes, respectively, and a plurality of heat sets may be divided and housed in a plurality of third thermal insulation boxes, respectively.

(9) In the spinning take-up device according to (7) or (8),
At least one of the at least one pre-heating roller, the at least one stretching roller, and the at least one heat-setting roller is unitized;
The unitized rollers are provided with a first unit in which a predetermined number of rollers are unitized, and a second unit in which a number of rollers different from the predetermined number are unitized, and are configured so that the first unit and the second unit can be rearranged depending on the application.

According to the spinning take-up device described in (9) above, by preparing multiple units with different numbers of rollers in advance, the units can be rearranged and set in the spinning take-up device according to the drawing process, yarn brand, etc., making it easy to rearrange the rollers according to the application.

(10) In the spinning take-up device according to any one of (1) to (9),
a guide roller for guiding the yarn to the second guide section is disposed downstream of the stretching section in a yarn running direction;
The second guide section is positioned directly above the winding section so that the acute angle formed by the yarn running direction of the yarn fed from the guide roller and a horizontal plane is greater than or equal to 0 degrees and less than 20 degrees.

According to the spinning take-up device described in (10) above, the height of the second guide section can be reduced, and the work of threading the yarn onto the second guide section can be prevented from being done at a high altitude.

(11) In the spinning take-up device according to any one of (1) to (9),
A guide roller is disposed downstream of the stretching section in the yarn running direction,
A second yarn feed roller that guides the yarn to the second guide portion is disposed between the second guide portion and the guide roller in the yarn running direction,
The second guide section is positioned directly above the winding section such that an acute angle formed by a yarn running direction of the yarn fed from the second yarn feed roller and a horizontal plane is greater than or equal to 0 degrees and less than or equal to 20 degrees.

The spinning take-off device described in (11) above differs from the spinning take-off device described in (9) above in that a guide roller is disposed downstream of the drawing section in the yarn running direction, and a second yarn feeding roller is disposed between the second guide section and the guide roller in the yarn running direction. Even in such a case, the height of the second guide section can be reduced by disposing the second guide section so that the acute angle formed by the yarn running direction of the yarn fed from the second yarn feeding roller and the horizontal plane is 0 degrees or more and 20 degrees or less. As a result, the work of threading the yarn on the second guide section can be prevented from being a high-altitude work.

(12) In the spinning take-up device according to any one of (1) to (11),
The winding section includes two winding devices arranged side by side in a direction substantially perpendicular to the yarn path in a plan view,
The spinning take-up unit distributes and sends the plurality of yarns to the two winding devices,
At least the yarn suction section, the first guide section, the stretching section, the second guide section, and the first yarn feeding roller are all disposed within a range of the winding section in the width direction.

According to the spinning take-up device described in (12) above, the yarn suction section, the first guide section, the extension section, the second guide section, the first yarn feed roller, and the second guide section are all arranged within the width direction range of the winding section, so that not only can the spinning take-up device be made low-floor, but expansion in the width direction can also be suppressed, making it possible to make the spinning take-up device compact overall.

According to the present invention, the height of the spinning take-up device can be reduced compared to conventional methods, making it possible to lower the floor, shorten the threading time, and reduce the number of people required.

FIG. 2 is a perspective view showing an outline of a spinning take-up device. FIG. 2 is a side view showing an outline of a spinning take-up device. 11 is an example of a side view showing the periphery of a first guide portion; FIG. FIG. 4 is an example of a view taken along line AA in FIG. 3. FIG. 4 is an example of a side view showing the periphery of an extension portion. 1 is a side view showing an example of an outline of a manner in which a yarn is fed from a preheating roller insulation box to a drawing roller insulation box. FIG. 11 is an example of a side view showing the periphery of a relaxation portion, a second guide portion, and a winding portion. FIG. 11 is an example of a plan view showing the periphery of a second guide portion. FIG. 10 is a schematic diagram showing an example of an acute angle formed by a yarn running direction of the yarn sent from the second relaxation roller to each distribution roller and a horizontal plane; FIG. FIG. 8 is an example of a view taken along line BB in FIG. 7 . FIG. 1 is an example of a side view showing an outline of a yarn take-off device according to a first modified example. 13A to 13C are diagrams showing an example of a side view illustrating an outline of a spinning take-up device according to a second modified example, in which (a) to (c) are diagrams showing an example of a rearrangement pattern of each roller. FIG. 13 is an example of a side view showing an outline of a spinning take-up device according to a third modified example. 13 is an example of a side view showing the periphery of a first guide portion and an extension portion according to a fourth modified example. FIG.

The following describes the yarn take-off device 1 according to the present invention, with reference to the drawings. The yarn take-off device 1 according to the present invention is a device that takes up industrial material yarn, for example, yarn of 300 denier or more. Figure 1 is an example of a perspective view showing the outline of the yarn take-off device 1. Figure 2 is an example of a side view showing the outline of the yarn take-off device 1.

In this embodiment, the X direction and the Y direction are defined as shown in FIG. 1 and FIG. 2. The X direction and the Y direction are both horizontal directions and perpendicular to each other. The X direction is one direction indicated by an arrow in FIG. 1 and FIG. 2. Therefore, when the term "direction opposite to the X direction" is used in this specification, it means the direction opposite to the arrows shown in FIG. 1 and FIG. 2. On the other hand, the Y direction is one of the two directions indicated by arrows in FIG. 1 and FIG. 2.

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

The fuel supply unit 2 has multiple fuel supply units 2. These multiple fuel supply units 2 are arranged in a row in the left-right direction on the paper surface of FIG. 2. The reason why we say "in a row in the left-right direction on the paper surface of FIG. 2" instead of "in a row in the X direction" will be described later with reference to FIG. 4.

Although not shown in Figs. 1 and 2, a spinning machine is disposed above the multiple oil supplying units 2. The multiple oil supplying units 2 apply oil to the yarn 100, which is a bundle of filaments spun from the spinning machine. In this embodiment, the spinning take-up device 1 is equipped with the oil supplying unit 2, but this is not limited thereto, and the spinning machine may be equipped with the oil supplying unit 2.

The yarn suction section 4 has multiple yarn suction sections 4 and is generally called an aspirator. When the spinning take-up device 1 is equipped with an oil supply section 2, these multiple yarn suction sections 4 are provided directly below the corresponding oil supply sections 2, and temporarily suck and hold the yarn 100 when the yarn 100 is wound around each roller or when the yarn breaks. The yarn 100 to which oil has been applied by the oil supply section 2 travels directly downward, passes in front of the yarn suction section 4, and travels toward the first guide section 10 described below. All of the multiple yarn suction sections 4 are configured to generate a suction force at the suction port mainly by the flow of compressed fluid.

The spinning take-up section 6 mainly comprises, in order from the upstream side in the yarn running direction, a first guide section 10, a first yarn feed roller 20, an extension section 28, a relaxation section 60, and a second guide section 70. Details of the first guide section 10, the first yarn feed roller 20, the extension section 28, the relaxation section 60, and the second guide section 70 will be described later.

The winding section 8 mainly comprises 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, the following describes the first winding device 81, and the description of the second winding device 91 is omitted. In this embodiment, the winding section 8 comprises two devices, the first winding device 81 and the second winding device 91, but is not limited to this and may comprise one winding device.

The first winding device 81 mainly comprises a disk-shaped turret 82 rotatably mounted on the main frame 80, two winding shafts 84 that are cantilevered on the turret 82 and have an axial direction in the X direction, and a number of traverse devices 85 that traverse the yarn 100.

A number of bobbins 86 are attached in series to the winding shaft 84. The winding shaft 84 rotates by being driven by a motor (not shown), thereby rotating the number of bobbins 86 attached to the winding shaft 84 and winding the thread 100 onto the rotating number of bobbins 86. The thread 100 wound onto the bobbins 86 forms a winding package. The case where the winding section 8 is viewed in the direction opposite to the X direction will be described later.

Here, the positional relationship between the extension section 28 and the winding section 8 of the spinning take-up section 6 will be described with reference to Figs. 1 and 2. The extension section 28 is located upstream of the winding section 8 in the yarn running direction and opposite the X direction from the winding section 8. Specifically, the extension section 28 and the winding section 8 are horizontally arranged on the same floor so that the axial direction of the winding shaft 84 and the running direction of the yarn 100 in the extension section 28 in a plan view are parallel to each other. That is, in this embodiment, unlike a conventional spinning take-up device in which the work area on the first floor is divided into upper and lower parts, the winding section is arranged in the lower work area on the first floor, and the extension section is arranged in the upper work area, the extension section 28 is arranged at a height position almost the same as that of the winding section 8. In this way, the extension section 28 can be arranged to the extent that one operator can perform the threading work of the extension section and the winding section without using a work cart or the like. As a result, it is possible to achieve a reduction in the threading work time and to achieve labor saving.

The first guide section 10 is disposed near the top of the extension section 28. The yarn suction section 4 is disposed directly above the first guide section 10, and the oil supply section 2 is disposed directly above the yarn suction section 4. The effects of disposing each member in close proximity in this manner will be described later, including their positional relationship with the first yarn feed roller 20.

[2. Spinning take-up section]
The first guide section 10, the first yarn feed roller 20, the stretching section 28, the relaxation section 60, and the second guide section 70 included in the yarn take-up section 6 will be described below.

[2-1. First guide section, first yarn feed roller]
FIG. 3 is an example of a side view showing the periphery of the first guide section 10. As shown in FIG. 3, the first guide section 10 is mainly composed of a plurality of (for example, 12) 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 paper surface of FIG. 3. In detail, the direction-changing rollers 10A to 10F are arranged from left to right on the paper surface of FIG. 3, and the direction-changing rollers 10G to 10L are arranged from right to left on the paper surface of FIG. 3. The reason why the description "lined up in a line in the left-right direction on the paper surface of FIG. 3" is used instead of "lined up in a line in the X direction" will be described later with reference to FIG. 4 together with the plurality of fuel supply sections 2 described as "lined up in a line in the left-right direction on the paper surface of FIG. 2".

In this embodiment, the direction-changing rollers 10A to 10L are arranged in a row in the left-right direction on the paper surface of FIG. 3, but the direction-changing rollers 10A to 10L may be arranged horizontally or offset in the up-down direction.

The multiple direction-changing rollers 10A-10L are rollers for sending multiple (e.g., 12) yarns 100, which are spun downward from a spinning machine and coated with oil, to the first yarn feed roller 20, which is located below the horizontal direction, for each of the multiple yarns 100. Note that "below the horizontal direction" preferably means slightly below the horizontal direction. For example, it is preferable that the acute angle formed by the yarn running direction of the yarn 100 sent from the direction-changing rollers 10A-10L to the first yarn feed roller 20 and the horizontal plane is greater than 5 degrees and less than 30 degrees. The "acute angle formed by the yarn running direction of the yarn 100 sent from the direction-changing rollers 10A-10L to the first yarn feed roller 20 and the horizontal plane" corresponds to the angle α shown in FIG. 3.

The yarn 100, whose running direction has been changed by the direction-changing rollers 10A-10F, is sent to the first winding device 81 (see FIG. 1) and wound up. The yarn 100, whose running direction has been changed by the direction-changing rollers 10G-10L, is sent to the second winding device 91 (see FIG. 1) and wound up.

The first yarn feed roller 20 is a roller provided on the yarn path from the first guide section 10 to the extension section 28, and has an axial direction that is approximately perpendicular 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 section 10 (i.e., the multiple direction change rollers 10A to 10L) and the extension section 28 in the vertical direction, and is located on the opposite side to the X direction from both the first guide section 10 (more specifically, the direction change roller 10G) and the extension section 28 in the horizontal direction. In other words, the first guide section 10 and the extension section 28 are located above and below at a position where they overlap in a plan view, while the first yarn feed roller 20 does not overlap either the first guide section 10 or the extension section 28 in a plan view, and is located at a position off in the horizontal direction. However, from the viewpoint of space saving, it is preferable that the first yarn feed roller 20 is located near the first guide section 10 and the extension section 28 in the horizontal direction.

In this way, by arranging the first guide section 10 near the top of the extension section 28 and arranging the first yarn feed roller 20 at a position farther away from both the first guide section 10 and the extension section 28 in the opposite direction to the X direction, the vertical distance between the first guide section 10 and the extension section 28 can be reduced. In addition, by reducing the vertical distance between the first guide section 10 and the extension section 28, the heights of the first guide section 10, the yarn suction section 4 located directly above the first guide section 10, and the oil supply section 2 located directly above the yarn suction section 4 can also be reduced, and the entire spinning take-up device 1 can be made low-floor. As a result, it is no longer necessary to divide the work area on the first floor into upper and lower sections and to arrange operators in each work area as in the conventional case, and since threading work can be performed by a single operator, the threading work time can be shortened and manpower can be reduced.

The yarn 100 sent out from the first yarn feed roller 20 advances toward the stretching section 28. The winding angle of the yarn 100 around the first yarn feed roller 20 is less than 360 degrees.

The multiple yarns 100 spun downward from the spinning machine are not only in contact with the roller surfaces of the multiple direction-changing rollers 10A to 10L, but are also wound around them 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 opposite side of the X direction from the direction-changing roller 10G and making the angle α as small as possible, it is possible to increase the winding angle of the yarn around each of the direction-changing rollers 10A to 10L, and the grip force of the yarn 100 and each of the direction-changing rollers 10A to 10L is increased. Therefore, tension can be applied to the yarn 100 between the multiple direction-changing rollers 10A to 10L and the first yarn feed roller 20, and the running of the yarn 100 downstream of the multiple direction-changing rollers 10A to 10L can be stabilized. Furthermore, a guide for finely adjusting the tension on the yarn, as was previously provided, is no longer necessary, and the oil supply unit 2 and the yarn suction unit 4 can be positioned lower than the spinning take-up device equipped with a guide. Moreover, because 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. If the yarn separation position on the peripheral surface of the direction-changing rollers 10A-10L is vertically lower than the yarn entry position on the peripheral surface of the first yarn feed roller 20, the winding angle at which the roller surfaces of the direction-changing rollers 10A-10L contact each other exceeds 90 degrees.

The multiple direction-changing rollers 10A-10L are provided with multiple motors (not shown) corresponding to the respective rollers. If the first yarn feed roller 20 is positioned further away from both the first guide section 10 and the extension section 28 in the opposite direction to the X direction, the distance (i.e., yarn length) from each direction-changing roller 10A-10L to the first yarn feed roller 20 may differ, resulting in different tensions for each of the multiple yarns 100. Therefore, by making it possible for each of the multiple direction-changing rollers 10A-10L to be driven individually, the yarn feed speed is stabilized, and it is possible to suppress variations in yarn tension even when the yarn lengths are different.

Next, the positional relationship between the multiple oil supply units 2, the multiple yarn suction units 4, and the multiple direction change rollers 10A to 10L will be described with reference to Figure 4. Figure 4 is an example of a plan view showing the multiple oil supply units 2, the multiple yarn suction units 4, and the first yarn feed roller 20.

As shown in FIG. 4, the oil supply unit 2 has multiple oil supply units 2A-2L that are arranged in a row at equal intervals in the left-right direction on the paper surface of FIG. 4 and in the Y direction (i.e., a direction perpendicular to both the winding shaft 84 (see FIG. 1) and the vertical direction). In addition, although not shown in FIG. 4, each of the yarn suction units 4A-4L (see FIG. 3) is arranged directly below each of the oil supply units 2A-2L. Note that, like the direction-changing rollers 10A-10L, the oil supply units 2A-2F are arranged from left to right on the paper surface of FIG. 4, and the oil supply units 2G-2L are arranged from right to left on the paper surface of FIG. 4.

Although the first guide section 10 (multiple direction-changing rollers 10A-10L) is not shown in FIG. 4, each of the direction-changing rollers 10A-10L is arranged directly below each of the yarn suction sections 4A-4L. Therefore, the multiple direction-changing rollers 10A-10L are also arranged in a row at equal intervals in the Y direction. In this way, the multiple yarns 100 spun from the spinning machine advance in a shifted manner in the Y direction so that they are parallel in a plan view, preventing the yarns from interfering with each other or becoming entangled. In particular, in this embodiment, the vertical distance between the first guide section 10 and the extension section 28 is small, but even in such a case, the multiple yarns 100 can run in parallel, preventing the multiple yarns from interfering with each other or becoming entangled. In addition, the multiple direction-changing rollers 10A-10L can easily be threaded onto a guide (not shown) or intertwining device (not shown) that holds the yarn intervals and is arranged in the yarn path between the distribution rollers 70A-70L. However, this is not limited to this. There is no need to provide guides or intertwining devices to maintain the yarn spacing between the multiple direction-changing rollers 10A-10L and the distribution rollers 70A-70L.

The reason why the arrangement of the multiple oil supply units 2A-2L and the multiple thread suction units 4A-4L is described as "arranged in the left-right direction and in the Y direction on the paper of FIG. 4" instead of "arranged offset in the X direction and in the Y direction" is because the X direction means one direction. In other words, this is to avoid the possibility of inconsistency with the description "offset in the Y direction" when "arranged in the X direction" is interpreted as being arranged in series in one direction such as the X direction. The reason why "arranged in the X direction" is described as "arranged in a line in the left-right direction on the paper of FIG. 2" or "arranged in a line in the left-right direction on the paper of FIG. 3" instead of "arranged in a line in the X direction" in the explanation with reference to FIG. 2 and FIG. 3 is also for the same purpose. In other words, this is to avoid the interpretation that "arranged in a line in the X direction" means that there is no offset in the Y direction.

The number of the oil supply units 2, the yarn suction units 4, the direction change rollers 10A-10L, the traverse devices 85, and the bobbins 86 is not particularly limited.

[2-2. Stretching part]
Fig. 5 is an example of a side view showing the periphery of the drawing unit 28. As shown in Fig. 5, the drawing unit 28 mainly includes a plurality of pre-heating rollers 31-34 for heating the yarn 100 before drawing, a plurality of drawing rollers 41-44 arranged downstream of the pre-heating rollers 31-34, and a plurality of heat-setting rollers 51-56 arranged downstream of the drawing rollers 41-44 for conditioning the drawn yarn 100.

Conventionally, the heating length was ensured by winding the yarn around a long roller with a relatively large roller width multiple times, but in the spinning take-up device 1 of this embodiment, a short roller with a smaller roller width than the conventional one is used to wind the yarn around the roller less than one time. However, in order to ensure the heating length while winding the yarn around the roller less than one time, more rollers are required than in the conventional case. In particular, a spinning take-up device that produces yarn for industrial materials of, for example, 300 denier or more requires a greater heating length than a spinning take-up device for clothing yarn. Therefore, in the spinning take-up device 1 of this embodiment, the preliminary heating rollers 31-34, the stretching rollers 41-44, and the heat setting rollers 51-56 are horizontally arranged in series in the X direction on the same floor, so that the heating length is ensured by winding the yarn around the roller less than one time (the winding angle around the roller is less than 360 degrees), and the stretching section 28 can be made low-floor. The preheating rollers 31-34, the stretching rollers 41-44, and the heat setting rollers 51-56 correspond to the "multiple rollers" in this invention.

The yarn feed speed of at least the most upstream stretching roller 41 of the stretching rollers 41-44 is greater than the yarn feed speed of the most downstream preheating roller 34 of the preheating rollers 31-34. Therefore, the yarn 100 is stretched between the most downstream preheating roller 34 of the preheating rollers 31-34 and the most upstream stretching roller 41 of the stretching rollers 41-44.

The preheating rollers 31-34, the stretching rollers 41-44, and the heat setting rollers 51-56 are each provided with multiple motors (not shown) corresponding to each roller so that they can be driven individually.

The pre-heating rollers 31-34, the stretching rollers 41-44, and the heat-setting rollers 51-56 all have an axial direction that is approximately perpendicular to the yarn path in a plan view (i.e., the Y direction), and two rollers that are arranged close to each other in the vertical direction are arranged horizontally along the X direction. However, the number of rollers arranged in the vertical direction is not limited to two, and three rollers may be arranged in the vertical direction if the yarn threading operation can be performed by a single operator.

The yarn 100 sent out from the first yarn feed roller 20 is first sent to the preheating roller 31, and then travels through the preheating rollers 32-34, the stretching rollers 41-44, and the heat-set rollers 51-56 in that order. In the preheating rollers 32-34, the stretching rollers 41-44, and the heat-set rollers 51-56, the yarn 100 travels in an S-shape from below to above each pair of rollers that are arranged close to each other in the vertical direction, and then travels toward the lower of the two upper and lower rollers arranged downstream.

The winding angle of the yarn 100 around each of the pre-heating rollers 31-34, the stretching rollers 41-44, and the heat-setting rollers 51-56 is less than 360 degrees.

The surface temperature of the preheating rollers 31-34 is set to a temperature (e.g., 90°C) that is equal to or higher than the glass transition point of the yarn 100. The surface temperature of the stretching rollers 41-44 is set to a temperature (e.g., 110°C) higher than the surface temperature of the preheating rollers 31-34. The surface temperature of the heat setting rollers 51-56 is set to a temperature (e.g., 130°C) higher than the surface temperature of the stretching rollers 41-44.

The surface temperature of the preheating rollers 31-34 (e.g., 90°C) corresponds to the "first temperature" of the present invention. The surface temperature of the stretching rollers 41-44 (e.g., 110°C) corresponds to the "second temperature" of the present invention. The surface temperature of the heat setting rollers 51-56 (e.g., 130°C) corresponds to the "third temperature" of the present invention.

It is not essential that all of the preheating rollers 31-34 are set to the same surface temperature, and each of the preheating rollers 31-34 may be set to a different surface temperature. Similarly, it is not essential that all of the stretching rollers 41-44 are set to the same surface temperature, and each of the stretching rollers 41-44 may be set to a different surface temperature. Also, it is not essential that all of the heat set rollers 51-56 are set to the same surface temperature, and each of the heat set rollers 51-56 may be set to a different surface temperature.

In addition, in this embodiment, the surface temperatures of all the preheating rollers 31 to 34 are raised, but this is not limited to the above. For example, the surface temperature of at least one of the preheating rollers 31 to 34 may be raised, and the surface temperatures of the remaining rollers may not be raised. The same applies to the stretching rollers 41 to 44 and the heat setting rollers 51 to 56.

The stretching section 28 also includes a first heat-insulating box 39, a second heat-insulating box 49, and a third heat-insulating box 59. The first heat-insulating box 39, the second heat-insulating box 49, and the third heat-insulating box 59 are all made of heat-insulating material. The preheating rollers 31-34 are housed in the first heat-insulating box 39, the stretching rollers 41-44 are housed in the second heat-insulating box 49, and the heat-set rollers 51-56 are housed in the third heat-insulating box 59. In this manner, heat dissipation from each roller is suppressed. In this embodiment, the preheating rollers 31-34 are housed in the first heat-insulating box 39, the stretching rollers 41-44 are housed in the second heat-insulating box 49, and the heat-set rollers 51-56 are housed in the third heat-insulating box 59, but they do not have to be housed in one heat-insulating box each. For example, the preheat rollers 31-34 may be divided and housed in multiple first heat-retaining boxes 39, the stretch rollers 41-44 may be divided and housed in multiple second heat-retaining boxes 49, and the heat-set rollers 51-56 may be divided and housed in multiple third heat-retaining boxes 59.

Note that the preheating rollers 31-34, the stretching rollers 41-44, and the heat setting rollers 51-56 are housed in their respective heat-retaining boxes 39, 49, and 59, and would not normally appear in the drawings, but are shown for convenience in the drawings referenced in this specification.

In this embodiment, there are four pre-heat rollers, four stretch rollers, and six heat set rollers, respectively, but the number of each roller is not limited to this, and the number of rollers can be changed depending on the application.

Next, the manner in which the yarn 100 is sent from one of the first, second, and third insulation boxes 39, 49, and 59 to another downstream insulation box will be described with reference to FIG. 6. FIG. 6 is an example of a side view showing an outline of the manner in which the yarn 100 is sent from the first insulation box 39 to the second insulation box 49. Note that FIG. 6 shows the cross sections of the first insulation box 39 and the second insulation box 49 as seen when cut vertically.

As shown in FIG. 6, the first insulation box 39 has an outlet opening 36 formed therein. The second insulation box 49 has an inlet opening 45 formed therein. The outlet opening 36 and the inlet opening 45 are not connected to each other and are separated from each other. That is, the yarn 100 that leaves the first insulation box 39 from the outlet opening 36 is exposed to the outside air once and then enters the second insulation box 49 from the inlet opening 45. The outlet opening 36 corresponds to the "yarn outlet of the first insulation box" in the present invention. The inlet opening 45 corresponds to the "yarn inlet of the second insulation box" in the present invention.

In this way, by separating the outlet opening 36 of the first insulation box 39 from the inlet opening 45 of the second insulation box 49 downstream of the first insulation box 39 without communicating with each other, heat transfer between the first insulation box 39 and the second insulation box 49 can be suppressed. Similarly, although not shown, the outlet opening of the second insulation box 49 and the inlet opening of the third insulation box 59 are also separated from each other without communicating with each other. The outlet opening of the second insulation box 49 corresponds to the "yarn outlet of the second insulation box" in the present invention. Also, the inlet opening of the third insulation box 59 corresponds to the "yarn inlet of the third insulation box" in the present invention.

[2-3. Relaxation part]
7 is an example of a side view showing the periphery of the relaxation section 60, the second guiding section 70, and the winding section 8. As shown in FIG. 7, the relaxation section 60 is disposed directly above the heat set rollers 53-56.

The relaxation section 60 has a first relaxation roller 61, a second relaxation roller 62 arranged downstream of the first relaxation roller 61 in the yarn running direction, and a fourth heat retention box 69. The first relaxation roller 61 and the second relaxation roller 62 are both rollers whose axial direction is approximately perpendicular to the yarn running direction of the yarn path in a plan view (i.e., the Y direction).

The yarn 100 sent out from the most downstream heat set roller 56 among the heat set rollers 51 to 56 runs through the first relaxation roller 61 and the second relaxation roller 62 in that order.

The first relief roller 61 and the second relief roller 62 are arranged offset from each other in the vertical direction. Also, the first relief roller 61 and the second relief roller 62 are arranged offset from each other in the X direction, with the first relief roller 61 on the X direction side and the second relief roller 62 on the opposite side to the X direction. By arranging the first relief roller 61 and the second relief roller 62 in this way, the height of the second relief roller 62 can be reduced, making it easier to thread the yarn on the second relief roller 62.

The winding angle of the yarn 100 around the first and second relaxation rollers 61 and 62 is less than 360 degrees. The surface temperature of the relaxation rollers 61 and 62 is set to a lower temperature (e.g., 100°C) than that of the heat set rollers 51 to 56 so that the internal distortion of the yarn 100 is relaxed. However, it is not essential that the first and second relaxation rollers 61 and 62 are set to the same surface temperature, and the relaxation rollers 61 and 62 may be set to different surface temperatures. In addition, it is not necessary that the surface temperature of either the first and second relaxation rollers 61 and 62 is increased. For example, the surface temperature of at least one of the first and second relaxation rollers 61 and 62 may be increased, and the surface temperature of the other rollers may not be increased.

The fourth heat-insulating box 69 is made of a heat-insulating material. The two relaxation rollers 61, 62 are housed in the fourth heat-insulating box 69 so as to suppress heat dissipation. Although not shown, the outlet opening of the third heat-insulating box 59 and the inlet opening of the fourth heat-insulating box 69 are also not connected to each other and are separated from each other. In this way, heat transfer between the third heat-insulating box 59 and the fourth heat-insulating box 69 can be suppressed.

The yarn 100 sent out from the second relaxation roller 62 arranged downstream in the yarn running direction in the relaxation section 60 is guided to the second guide section 70 after leaving the fourth heat-retaining box 69. The second relaxation roller 62 corresponds to the "guide roller" of the present invention.

[2-4. 2nd information section]
The second guide portion 70 will be described with reference to Fig. 7 and Fig. 8. Fig. 8 is an example of a plan view showing the periphery of the second guide portion 70.

The second guide section 70 is mainly composed of a plurality (e.g., six) of distribution rollers 70A-70F for the first winding device and a plurality (e.g., six) of distribution rollers 70G-70L for the second winding device (see FIG. 8). The plurality of yarns 100 sent out from the second relaxation roller 62 are sent in two directions, toward the distribution rollers 70A-70F for the first winding device and toward the distribution rollers 70G-70L for the second winding device. The distribution rollers 70A-70F for the first winding device are rollers for changing the running direction of the plurality of yarns 100 sent out from the second relaxation roller 62 downward for each of the plurality of yarns 100 so that they are directed toward the bobbin 86 attached to the winding shaft 84 of the first winding device 81 (see FIG. 1). The distribution rollers 70G-70L for the second winding device are rollers that change the running direction of the multiple yarns 100 sent from the second relaxation roller 62 downward for each of the multiple yarns 100 so that they head toward the bobbin 86 attached to the winding shaft 84 of the second winding device 91 (see Figure 1).

The distribution rollers 70A to 70F for the first winding device are arranged directly above the first winding device 81. Specifically, the distribution rollers 70A to 70F for the first winding device correspond to a plurality of traverse devices 85 (see FIG. 7) and a plurality of bobbins 86 (see FIG. 7), respectively, and are arranged in series in the X direction directly above the corresponding traverse devices 85. The traverse devices 85 are arranged in series along the X direction directly above the corresponding bobbins 86.

It is preferable that the acute angle formed by the horizontal plane and the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F for the first winding device is greater than or equal to 0 degrees and less than or equal to 20 degrees. By doing so, the height of the relaxation section 60 and the second guide section 70 can be suppressed. However, this is not essential, and the acute angle formed by the horizontal plane and the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F for the first winding device may be, for example, a negative angle, or may be an angle slightly exceeding 20 degrees as long as it is within the range in which the height of the second relaxation roller 62 can be suppressed. The "acute angle formed by the horizontal plane and the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to each of the distribution rollers 70A to 70F for the first winding device" corresponds to the angle β shown in FIG. 9. FIG. 9 is an example of a schematic diagram showing an acute angle β formed by the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to the first winding device distribution roller 70A and a horizontal plane. In FIG. 9, the first winding device distribution roller 70A is shown as an example among the multiple first winding device distribution rollers 70A to 70F. In this embodiment, the second relaxation roller 62 is arranged so that 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 first winding device distribution rollers 70A to 70F and a horizontal plane is, for example, greater than 0 degrees and less than or equal to 20 degrees.

The yarn 100, whose running direction has been changed downward by the first winding device distribution rollers 70A-70F, is traversed by the corresponding traverse device 85 and wound onto the corresponding bobbin 86 to form a winding package.

Similarly, the second winding device distribution rollers 70G-70L (see FIG. 8) are disposed directly above the second winding device 91. The second winding device distribution rollers 70G-70L change the running direction of the multiple yarns 100 sent from the second relaxation roller 62 downward for each of the multiple yarns 100 so that they face the corresponding bobbins (not shown). The yarns 100 whose running direction has been changed downward by the second winding device distribution rollers 70G-70L are traversed by the corresponding traverse device (not shown) and wound around the corresponding bobbins to form a winding package.

[3. Winding section]
10, the arrangement (front view) of the winding unit 8 when viewed in the direction opposite to the X direction will be described. Fig. 10 is an example of a view taken along line BB in Fig. 7.

As described above, the winding section 8 includes a first winding device 81 and a second winding device 91, which are arranged side by side in the Y direction. The first winding device 81 also has two winding shafts 84. Similarly, the second winding device 91 also has two winding shafts 84. The second relaxation roller 62 is arranged so that its position in the Y direction is shifted toward the first winding device 81 from the center line CL of the winding section 8. In this way, the angle of the yarn 100 entering the bobbin 86 attached to the winding shaft 84 of the first winding device 81 and the angle of the yarn 100 entering the bobbin 86 attached to the winding shaft 84 of the second winding device 91 can be made to be approximately the same angle.

In this embodiment, the Y-direction length of the main frame 80 is approximately 1000 mm. The oil supply section 2, the yarn suction section 4, the first guide section 10, the first yarn feed roller 20, the extension section 28, the relaxation section 60, and the second guide section 70 are all arranged within the width direction range of the winding section 8, more specifically, within a range of approximately half (e.g., approximately 500 mm) of the width direction length of the main frame 80 (e.g., approximately 1000 mm). In this way, the winding section 8 can be made compact in the width direction while ensuring a working area for the operator. The width direction of the winding section 8 corresponds to the direction perpendicular to the axial direction and vertical direction of the winding shaft 84 (i.e., the Y direction).

[4. Effects]
According to the yarn take-up device 1 of the present embodiment described above, the extension section 28 and the winding section 8 are horizontally arranged on the same floor so that the axial direction of the winding shaft 84 is parallel to the running direction of the yarn 100 in the extension section 28 in a plan view. Therefore, the height of the first guide section 10 arranged above at least one roller of the extension section 28 can be lowered, and the yarn take-up device 1 can be made low-floor. As a result, it is no longer necessary to divide the work area on the first floor into upper and lower sections and to place an operator in each work area as in the conventional case, and since the yarn threading work can be performed by a single operator, the time required for the yarn threading work can be shortened, and it is possible to reduce the number of workers.

In addition, the preliminary heating rollers 31-34, the stretching rollers 41-44, and the heat setting rollers 51-56 are arranged in two or three rows vertically along the X direction, and furthermore, by arranging these rollers in series in a plan view, the stretching section 28 can be made low-floor. In particular, a spinning and pulling device for industrial material yarns of 300 denier or more requires a longer heating length than a spinning and pulling device for clothing yarns. Moreover, the winding angle of the yarn 100 around each roller is set to less than 360 degrees, and the number of rollers provided in the stretching section is increased, but even in such a case, the spinning and pulling device 1 can be made low-floor.

The first guide section 10 is disposed directly above the extension section 28, and the first yarn feed roller 20 is disposed at a position further away from both the first guide section 10 and the extension section 28 in the direction opposite to the X direction. This allows the vertical distance between the first guide section 10 and the extension section 28 to be reduced, and the height of the first guide section 10 and the extension section 28 to be reduced, thereby allowing the spinning take-up device 1 to be made lower.

In addition, the multiple yarns 100 spun downward from the spinning machine are tensioned by multiple direction-changing rollers 10A-10L, stabilizing the running of the yarns 100. Furthermore, guides for fine-tuning the tension applied to the yarns, as was previously required, are no longer necessary, and the oil supply section 2 and yarn suction section 4 can be positioned at a lower position, which in turn allows the yarn take-up device 1 to be lowered. Moreover, because the running direction of the yarns 100 is changed by the rollers, the burden on the yarns 100 can be reduced as much as possible.

The multiple direction-changing rollers 10A-10L are also arranged offset in the Y direction. This reduces the vertical distance between the first guide section 10 and the extension section 28, thereby reducing the height of the first guide section 10, while preventing the multiple yarns 100 from interfering with each other or becoming entangled.

The direction-changing rollers 10A-10L are each provided with a corresponding motor (not shown) so that they can be driven individually. Therefore, even if the distance from each of the direction-changing rollers 10A-10L to the first yarn feed roller 20 is different, it is possible to reduce the tension difference between the multiple yarns 100.

In addition, according to the spinning take-up device 1 of this embodiment, the first yarn feed roller 20, the pre-heating rollers 31-34, the stretching rollers 41-44, the heat set rollers 51-56, and the relaxation rollers 61, 62 all have a winding angle of the yarn 100 that is less than 360 degrees. In addition, the axial direction of each of the rollers is a direction that is approximately perpendicular to the yarn running direction of the yarn 100 in a plan view (i.e., the Y direction). Therefore, the multiple yarns 100 run from the first guide section 10 to the second relaxation roller 62 while maintaining parallelism, so that the running direction in a plan view is the X direction or the direction opposite to the X direction. Therefore, the multiple yarns 100 can be run so that the yarn path from the first guide section 10 to the second relaxation roller 62 does not deviate from the axial direction of each roller (i.e., the Y direction).

In addition, according to the spinning take-off device 1 of this embodiment, the outlet opening of the Nth insulation box and the inlet opening of the (N+1)th insulation box, which is located downstream of the Nth insulation box, are separated and do not communicate with each other. In this way, heat transfer between the Nth insulation box and the (N+1)th insulation box can be suppressed. Note that N is a natural number with an upper limit of (the number of insulation boxes - 1).

In addition to being low-floor, the yarn take-up device 1 of this embodiment is also compact in the width direction of the winding section 8, which saves space for the entire yarn take-up device 1 and improves work efficiency.

5. Modifications
Next, a description will be given of a modified example in which various changes have been made to the spun yarn take-up device 1 of the present embodiment. However, in describing the modified example, the same reference numerals will be used to designate components having the same configuration as those of the above-described embodiment, and the description thereof will be omitted as appropriate.

[5-1. First Modification]
In the above-described embodiment, for example, as shown in Fig. 2, the oil supply units 2, the yarn suction units 4, and the first guide unit 10 are arranged directly above the drawing unit 28, but this is not limited thereto. For example, in the yarn take-up device 1A shown in Fig. 11, the oil supply units 2, the yarn suction units 4, and the first guide unit 10 are arranged not directly above the drawing unit 28, but at a position offset from both the drawing unit 28 and the first yarn feed roller 20 in the opposite direction to the X direction.

Although the yarn take-up device 1A according to the first modified example has a longer length in the X direction than the yarn take-up device 1 described in the above embodiment, the extension section 28 can be made lower. Furthermore, since it is possible to run the yarn 100 in one direction, it is also possible to reduce the load of the yarn winding work.

[5-2. Second Modification]
In the above-described embodiment, for example as shown in FIG. 5, the pre-heating rollers 31-34 are housed in a first heat-insulating box 39, the stretching rollers 41-44 are housed in a second heat-insulating box 49, and the heat-setting rollers 51-56 are housed in a third heat-insulating box 59.

However, depending on the drawing process, the brand of yarn, etc., it may be necessary to change the number of all or some of the rollers among the pre-heating rollers, drawing rollers, heat setting rollers, and relaxation rollers.

Examples of changing the number of all or some of the pre-heating rollers, stretching rollers, heat setting rollers, and relaxation rollers in response to changes in yarn brand, etc. include cases where the total number of rollers is not changed and cases where the total number of rollers is changed.

If the total number of rollers is not changed, the rollers need to be attached at the same distance, but the number of rollers in each roller group (preheat roller, stretch roller, heat set roller, and relaxation roller) can be changed by changing the heat insulation box while keeping the rollers the same. For example, if there were four preheat rollers, four stretch rollers, six heat set rollers, and two relaxation rollers, the number of rollers in each roller group (preheat roller, stretch roller, heat set roller, and relaxation roller) can be changed by changing the heat insulation box to two preheat rollers, four stretch rollers, and eight heat set rollers. In this case, the heat insulation box that houses the preheat rollers is changed from a heat insulation box for four rollers to a heat insulation box for two rollers, and the heat insulation box that houses the heat set rollers is changed from a heat insulation box for six rollers to a heat insulation box for eight rollers. The heat insulation box that houses the stretch rollers is the same for four rollers, but the rollers that are to be housed are changed. In this way, if the total number of rollers is not changed, it is possible to easily rearrange the rollers according to the purpose by simply changing the heat insulation box.

When changing the total number of rollers, for example, the rollers, the heat-retaining box, and the motor for driving the rollers can be unitized and the unitized unit can be configured to be attachable to the main frame 90, thereby changing the number of all or some of the rollers among the pre-heating rollers, the stretching rollers, the heat-setting rollers, and the relaxation rollers. A specific example of changing the total number of rollers will be described below with reference to FIG. 12. FIG. 12 is an example of a side view showing an outline of the spinning take-up device according to the second modified example, and (a) to (c) are diagrams showing an example of a rearrangement pattern for each roller.

In the example shown in FIG. 12, for example, a unit including a roller, a heat-retaining box, and a motor for driving the roller is configured to be attachable to the main frame 90, so that the number of various rollers within the area of the extension section 28 can be changed as desired. In particular, since the extension section 28 is arranged horizontally on the same floor as the winding section 8, it is possible to easily rearrange the rollers. In the example shown in FIG. 12, for example, a unit including four rollers is removed and a unit including two rollers is installed. An example of the unit is described below.

The main body frame 90 of the spinning take-up device 1B shown in FIG. 12(a) is equipped with a preheating roller unit 30, a stretching roller unit 40, and a heat set roller unit 50. The number of preheating rollers, stretching rollers, and heat set rollers shown in FIG. 12(a) is the same as that of the spinning take-up device 1 described in the above embodiment.

The preheat roller unit 30 is a unit consisting of four preheat rollers 31-34, a first heat-retaining box 39 capable of housing the four preheat rollers 31-34, and four motors (not shown) connected to each of the four preheat rollers 31-34.

The stretching roller unit 40 is a unit consisting of four stretching rollers 41-44, a second heat-retaining box 49 capable of housing the four stretching rollers 41-44, and four motors (not shown) connected to each of the four stretching rollers 41-44.

The heat set roller unit 50 is a unit consisting of six heat set rollers 51-56, a third heat-retaining box 59 capable of housing the six heat set rollers 51-56, and six motors (not shown) connected to each of the six heat set rollers 51-56.

The main body frame 90 of the spinning take-up device 1B shown in FIG. 12(b) is equipped with a preliminary heating roller unit 30A, a stretching roller unit 40, and a heat setting roller unit 50A.

The preheat roller unit 30A is a unit consisting of two preheat rollers 31, 32, a first heat-retaining box 39A capable of housing the two preheat rollers 31, 32, and two motors (not shown) connected to each of the two preheat rollers 31, 32.

The stretching roller unit 40 is as described above.

The heat set roller unit 50A is a unit consisting of four heat set rollers 51-54, a third heat-retaining box 59A capable of housing the four heat set rollers 51-54, and four motors (not shown) connected to each of the four heat set rollers 51-54.

The main body frame 90 of the spinning take-up device 1B shown in FIG. 12(c) is equipped with a preliminary heating roller unit 30A, a stretching roller unit 40A, and a heat setting roller unit 50B.

The preliminary heating roller unit 30A is as described above.

The stretching roller unit 40A is a unit consisting of two stretching rollers 41, 42, a second heat-retaining box 49A capable of housing the two stretching rollers 41, 42, and two motors (not shown) connected to each of the two stretching rollers 41, 42.

The heat set roller unit 50B is a unit consisting of eight heat set rollers 51-58, a third heat retaining box 59B capable of housing the eight heat set rollers 51-58, and eight motors (not shown) connected to each of the eight heat set rollers 51-58.

In this way, even when changing the total number of rollers, multiple units with different numbers of rollers that can be attached to the main frame 90 are prepared in advance, and the units can be rearranged and set on the main frame 90 according to the drawing process, yarn brand, etc., making it possible to easily rearrange the rollers according to the application. In particular, in a conventional spinning take-up device in which the drawing section is located on the upper floor, rearranging the rollers was difficult. However, in a spinning take-up device in which the drawing section 28 is horizontally located on the same floor as the winding section 8, by preparing in advance units that can be arbitrarily attached to the main frame 90 using the area of the drawing section 28, the roller rearrangement work can be made even easier.

When replacing the spare heating roller unit 30, stretching roller unit 40, or heat set roller unit 50 with another unit, the motor connection wiring is removed and attached, and then replaced with the other unit. If the number of rollers in the replaced unit is less than the number of rollers in the previous unit, there will be excess motor wiring. Therefore, it is possible to provide empty sockets corresponding to the number of rollers that have been removed, and connect the connection wiring there to organize the wiring.

Although the second modified example did not explain the unitization of the relaxation roller, similar to the preheating roller, stretching roller, and heat setting roller, the relaxation roller can also be attached to the main frame 90, and multiple units with different numbers of relaxation rollers may be prepared in advance.

When the roller to be rearranged is a preheat roller, the preheat roller unit 30 corresponds to the "first unit" of the present invention, and the preheat roller unit 30A corresponds to the "second unit" of the present invention. When the roller to be rearranged is a stretch roller, the stretch roller unit 40 corresponds to the "first unit" of the present invention, and the stretch roller unit 40A corresponds to the "second unit" of the present invention. Similarly, when the roller to be rearranged is a heat set roller, the heat set roller unit 50 corresponds to the "first unit" of the present invention, and the heat set roller unit 50A or the heat set roller unit 50B corresponds to the "second unit" of the present invention.

[5-3. Third Modification]
In the above-described embodiment, the preheating rollers 31-34, the stretching rollers 41-44, and the heat set rollers 51-56 are arranged along the X direction on the same floor, as shown in Fig. 2. Also, as shown in Fig. 7, the relaxation section 60 is arranged directly above the heat set rollers 53-56. However, the positional relationship between the preheating rollers 31-34, the stretching rollers 41-44, the heat set rollers 51-56, and the relaxation rollers 61, 62 is not limited to the above, and may be, for example, the positional relationship shown in Fig. 13.

FIG. 13 is an example of a side view showing an outline of the spinning take-up device C according to the third modified example. In the spinning take-up device 1C shown in FIG. 13, the stretching section 28 and the relaxation section 60 are arranged horizontally. More specifically, the first relaxation roller 61 and the second relaxation roller 62 are arranged side by side along the X direction on the same floor as the heat set rollers 51 to 56. That is, it is not essential that the relaxation section 60 is arranged, for example, above the heat set rollers 51 to 56. However, in this case, it is preferable to arrange the second yarn feed rollers 94 and 95 between the second relaxation roller 62, which is the most downstream roller in the relaxation section 60, and the second guide section 70 in the running direction of the yarn 100, i.e., above the relaxation section 60. In this case, the second yarn feed roller 95 corresponds to the " second yarn feed roller" of the present invention. As described above, the second relaxation roller 62 corresponds to the "guide roller" of the present invention. In this way, the yarn 100 can be smoothly fed from the second yarn feed roller 95, which is the most downstream of the second yarn feed rollers 94, 95, toward the second guiding section 70. The number of second yarn feed rollers is not limited to two. It may be one, or three or more. The number of second yarn feed rollers can be appropriately selected depending on the contact angle and contact area of the yarn wound around the circumferential surfaces of the second relief roller 62 and the second yarn feed roller.

In the yarn take-up device 1C according to the third modified example, the second guide section 70 is preferably positioned directly above the winding section 8 so that the acute angle between the yarn running direction of the yarn 100 sent from the second relaxation roller 62 to each distribution roller 70A to 70L and the horizontal plane is greater than or equal to 0 degrees and less than or equal to 20 degrees.

[5-4. Fourth Modification]
In the above embodiment, as shown in FIG. 2, for example, the first guide section 10 is disposed near the top of the stretching section 28, the yarn suction section 4 is disposed directly above the first guide section 10, and the oil supply section 2 is disposed directly above the yarn suction section 4. The stretching section 28 is disposed horizontally with the winding section 8 (see FIG. 1), and the preliminary heating rollers 31-34, the stretching rollers 41-44, and the heat set rollers 51-56 are horizontally disposed in series in the X direction on the same floor. Furthermore, the preliminary heating rollers 31-34, the stretching rollers 41-44, and the heat set rollers 51-56 are each disposed in two or three rollers close to each other in the vertical direction. However, the positional relationship between the oil supply section 2, the yarn suction section 4, the first guide section 10, the stretching section 28, and the winding section 8 is not limited to the above, and may be, for example, the positional relationship shown in FIG. 14, including the relaxation section 60.

Figure 14 is an example of a side view showing the periphery of the first guide section 10 and the extension section 28A according to the fourth modified example. Although the winding section 8 is not shown in Figure 14, in the fourth modified example, the extension section 28A has at least one or more lower rollers arranged horizontally in series in the X direction on the same floor as the winding section 8 (see Figure 1, etc.), and at least one or more upper rollers arranged at the same height as the oil supply section 2 and the yarn suction section 4. That is, for example, instead of arranging all of the multiple rollers 31-34, 41-44, 51-56 (see Figure 5) of the extension section 28 shown in Figure 2 horizontally with the winding section 8, some of the multiple rollers 31-34, 41-44, 51-56 of the extension section 28A may be arranged horizontally with the winding section 8, and the other rollers may be arranged at the same height as the oil supply section 2 and the yarn suction section 4. The first guide section 10 is disposed near the top of at least one or more lower rollers of the extension section 28A. The yarn suction section 4 is disposed directly above the first guide section 10, and the oil supply section 2 is disposed directly above the yarn suction section 4. The first yarn feed roller 20 is disposed at a position away from both the first guide section 10 and the extension section 28A in the direction opposite to the X direction. In this way, even if the positional relationship of the oil supply section 2, the yarn suction section 4, the first guide section 10, the first yarn feed roller 20, and the rollers 31 to 34, 41 to 44, and 51 to 56 (see FIG. 5) of the extension section 28A is, for example, the positional relationship shown in FIG. 14, the height of the yarn take-up device can be suppressed and the floor can be made low.

In FIG. 14, for example, 15 lower rollers and for example, 9 upper rollers are shown, but the number of rollers is not limited to this. Also, the stretching section 28A includes at least one preheating roller, at least one stretching roller, and at least one heat-set roller, but the number of preheating rollers, stretching rollers, and heat-set rollers can be appropriately determined depending on the stretching process, the brand of yarn, etc. Also, at least one of the preheating rollers, stretching rollers, and heat-set rollers may be upper rollers, or only one of the preheating rollers, stretching rollers, and heat-set rollers may be upper rollers.

For example, in the case of the yarn take-up device 1A shown in FIG. 11, the area directly above the extension section 28 is an open area between the oil supply section 2, the yarn suction section 4, and the first guide section 10 and the relaxation section 60. Therefore, in the case of the yarn take-up device 1A shown in FIG. 11, some of the rollers 31-34, 41-44, 51-56 of the extension section 28A may be arranged horizontally with the winding section 8, and some of the rollers of the extension section 28 may be arranged in the open area for the other rollers.

Reference Signs List 1: Yarn take-up device 4: Yarn suction section 6: Yarn take-up section 8: Winding section 10: First guide section 20: First yarn feed roller 28: Stretching section 70: Second guide section

Claims (14)

A spinning take-up device including a spinning take-up unit that takes up and at least stretches a plurality of yarns spun from a spinning machine, a plurality of yarn suction units that can respectively suck up the plurality of yarns, and a winding unit that winds up the plurality of yarns sent from the spinning take-up unit to form a winding package,
The spinning take-up section is
a first guide unit provided below the plurality of yarn suction units and including a direction-changing roller for changing a running direction of the plurality of yarns for each of the plurality of yarns;
a stretching unit including a plurality of rollers including at least one roller for stretching the plurality of yarns guided from the first guiding unit;
a second guide section that guides the plurality of yarns from the stretching section to the winding section,
the winding section and the extending section are disposed horizontally on the same floor such that an axial direction of the winding section is parallel to a running direction of the yarn in the extending section in a plan view , and the first guide section is disposed above at least one roller of the extending section,
a first yarn feeding roller is provided on a yarn path from the plurality of direction-changing rollers to the stretching section;
The yarn take-up device is characterized in that the first yarn feed roller is provided at a position lower than the yarn suction section and at a position horizontally offset from the first guide section and the stretching section. The yarn take-up device according to claim 1 , wherein the first yarn sending roller is provided at a position offset from the winding section in a horizontal direction opposite to the drawing section at least with respect to the drawing section . The yarn take-up device according to claim 1 , wherein the first yarn feeding roller is provided at a position offset from the winding section in a horizontal direction opposite to the first guide section and the stretching section . The yarn take-up device according to any one of claims 1 to 3, characterized in that the first guiding section has a plurality of direction-changing rollers provided for the plurality of yarns, which are arranged in a line shifted from each other in a direction perpendicular to an axial direction of a winding shaft of the winding section in a plan view . The yarn take-up device according to claim 4, characterized in that the first guide section has a plurality of direction-changing rollers provided for each of the plurality of yarns, the direction-changing rollers being arranged in a row at equal intervals in a direction perpendicular to an axial direction of a winding shaft of the winding section in a plan view . The yarn take-off device according to any one of claims 1 to 5 , characterized in that the direction-changing roller is a roller that changes the running direction of the yarn spun downward from the spinning machine from a horizontal direction to a downward direction . The spinning take-off apparatus according to any one of claims 1 to 6 , characterized in that the plurality of rollers include rollers arranged in two rows in the horizontal direction . The yarn take-up device according to any one of claims 1 to 7, characterized in that the first yarn feed roller and the plurality of rollers are arranged such that a winding angle of the yarn around each roller is less than 360 degrees, and the direction substantially perpendicular to the yarn path in a plan view is an axial direction . The plurality of rollers include
At least one pre-heating roller, the surface temperature of which is set to a first temperature, is disposed in two or three positions in the vertical direction below the first guide portion;
At least one stretching roller arranged in two or three vertical positions below the first guide portion, the surface temperature of which is set to a second temperature higher than the first temperature;
The spinning take-up device according to any one of claims 1 to 8, further comprising: at least one heat set roller arranged in two or three positions in the vertical direction below the first guide section, the surface temperature of which is set to a third temperature higher than the second temperature. one or more first thermal insulation boxes for housing the at least one pre-heating roller;
one or more second insulated boxes housing the at least one drawing roller;
and one or more third insulated boxes housing the at least one heat-set roller;
The spinning take-up device according to claim 9, characterized in that a yarn outlet of a first insulated box adjacent to the second insulated box among the one or more first insulated boxes is separated from a yarn inlet of a second insulated box adjacent to the first insulated box among the one or more second insulated boxes, and a yarn outlet of the second insulated box is separated from a yarn inlet of the third insulated box . At least one of the at least one pre-heating roller, the at least one stretching roller, and the at least one heat-setting roller is unitized;
The spinning take-up device according to claim 9 or 10, characterized in that the unitized rollers include a first unit in which a predetermined number of rollers are unitized and a second unit in which a number of rollers different from the predetermined number are unitized, and the first unit and the second unit are configured to be recombined depending on the application . a guide roller for guiding the yarn to the second guide section is disposed downstream of the stretching section in a yarn running direction;
The yarn take-up device according to any one of claims 1 to 11, characterized in that the second guide section is disposed directly above the winding section such that an acute angle formed by a yarn running direction of the yarn fed from the guide roller and a horizontal plane is greater than or equal to 0 degrees and less than or equal to 20 degrees . A guide roller is disposed downstream of the stretching section in the yarn running direction,
A second yarn feed roller that guides the yarn to the second guide portion is disposed between the second guide portion and the guide roller in the yarn running direction,
The yarn take-up device according to any one of claims 1 to 11, characterized in that the second guiding section is disposed immediately above the winding section such that an acute angle formed by a yarn running direction of the yarn fed from the second yarn feeding roller and a horizontal plane is greater than or equal to 0 degrees and less than or equal to 20 degrees . The winding section includes two winding devices arranged side by side in a direction substantially perpendicular to the yarn path in a plan view,
The spinning take-up unit distributes and sends the plurality of yarns to the two winding devices,
The yarn take-up device according to any one of claims 1 to 13, characterized in that at least the yarn suction section, the first guide section, the stretching section, the second guide section, and the first yarn feed roller are all arranged within a range in the width direction of the winding section .

Images