TW201400656A - Spun yarn drawing apparatus - Google Patents

Spun yarn drawing apparatus Download PDF

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Publication number
TW201400656A
TW201400656A TW102122166A TW102122166A TW201400656A TW 201400656 A TW201400656 A TW 201400656A TW 102122166 A TW102122166 A TW 102122166A TW 102122166 A TW102122166 A TW 102122166A TW 201400656 A TW201400656 A TW 201400656A
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TW
Taiwan
Prior art keywords
yarn
rollers
adjacent
roller
rolls
Prior art date
Application number
TW102122166A
Other languages
Chinese (zh)
Other versions
TWI576477B (en
Inventor
Kinzo Hashimoto
Kenji Sugiyama
Original Assignee
Tmt Machinery Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2012140420A priority Critical patent/JP5894871B2/en
Priority to JP2012143821 priority
Priority to JP2012256282A priority patent/JP5977153B2/en
Priority to JP2012256281A priority patent/JP5968766B2/en
Priority to JP2012270296 priority
Priority to JP2013049267A priority patent/JP6133637B2/en
Application filed by Tmt Machinery Inc filed Critical Tmt Machinery Inc
Publication of TW201400656A publication Critical patent/TW201400656A/en
Application granted granted Critical
Publication of TWI576477B publication Critical patent/TWI576477B/en

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Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02Heat treatment
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/12Stretch-spinning methods
    • D01D5/16Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02JFINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D02J1/225Mechanical characteristics of stretching apparatus

Abstract

The present invention is for suppressing the sway of the yarn of the untouched roll between the two rolls. The spinning extension device (2) is provided with a yarn guiding roller (14 to 18). The two yarn guide rollers adjacent in the traveling direction of the yarn Y have the opposite rotation directions. The yarn (Y) is wound in the rotation direction at a plurality of yarn guiding rollers (14 to 18) at a winding angle of 360 degrees or less. Among the plurality of rolls (14 to 18), the non-contact length (Lf) of the yarn between the two yarn guide rolls adjacent in the traveling direction of the yarn (Y) is larger than the running direction of the yarn Y The contact length (Lc) of each of the two adjacent yarn guide rollers (Y) is shorter.

Description

Spinning extension
The present invention relates to a spinning extension device that extends a yarn spun from a spinning device.
A spinning machine including a spinning extension device, a yarn winding device, and the like is known. The spinning extension device includes a plurality of rollers that are stretched and heat-set by a yarn made of polyester or the like spun from a spinning device, and the yarn winding device is extended by a spinning extension device. The yarn is taken up to form a bobbin.
The spinning and stretching device described in Fig. 1 of Patent Document 1 is configured to arrange two yarns for preheating the pre-heating yarn to be arranged in the vertical direction for extending the yarn. The two rolls for heat setting by heat setting are arranged in the vertical direction. The two rolls for preheating and the two rolls for heat setting are arranged in the left-right direction. The two rollers adjacent in the traveling direction of the yarn have the opposite directions of rotation.
The spinning and stretching device described in Fig. 3 of Patent Document 1 is disposed so as to arrange two rolls for preheating in the vertical direction and to be arranged along the upper side. Two rolls for heat setting in the downward direction are arranged in the vertical direction. The two rolls for preheating and the two rolls for heat setting have opposite rotation directions, but the preheating rolls and the heat setting rolls adjacent in the traveling direction of the yarn have the same rotation direction. .
The two rolls for preheating are set to a temperature at which the yarn can be stretched (above the glass transition point). The two rolls for heat setting are set to a higher temperature than the rolls for preheating, that is, the extended yarn can be subjected to a heat setting temperature. The yarn spun from the spinning device was wound around two rolls for preheating at a winding angle of 360 degrees or less for each roll, and then wound around two rolls for heat setting. The two rolls for preheating upstream have substantially the same yarn feed speed, and the two rolls for heat setting downstream have substantially the same yarn feed speed faster than the two rolls for preheating upstream. The yarn that travels on the rolls is heated to a temperature above the glass transition point by a preheating roll, and is used for heat setting downstream of the preheating roll upstream and the yarn conveying speed of the preheating roll. The rolls are extended and heat set by a heat setting roll.
[Patent Document 1] International Publication No. 2011/009497 (Fig. 1, Fig. 3)
Conventionally, in order to extend the yarn, the length of the yarn of the non-contact roller between the preheating roller and the heat setting roller must be, for example, about twice the diameter of the roller. Therefore, in the spinning extension device described in Patent Document 1, the length of the yarn that does not contact the roller between the preheating roller and the heat setting roller Longer (see Fig.1, Fig.3). In the spinning extension device described in Fig. 3 of Patent Document 1, since the direction of rotation of the preheating roller and the heat setting roller is the same, the yarn is common between the preheating roller and the heat setting roller. The outer tangential line travels, and the length of the yarn of the untouched roller becomes long.
If the length of the yarn which is not in contact with the roller is long, the accompanying flow due to the rotation of the roller causes a problem of swaying on the yarn of the untouched roller. If the yarn is not swayed by the yarn, the filaments constituting the yarn are brought into contact with each other, and are separated from each other and collide with each other, resulting in deterioration of the yarn quality. Further, if the adjacent running yarns come into contact with each other, there is a possibility of yarn breakage. In particular, between the preheating roller and the heat setting roller, the yarn is applied to the extended portion. Due to the sharp change of the yarn speed, the yarn running on the roller is slid and the yarn on the roller surface is grasped. The force is reduced. Therefore, the yarn sway of the uncontacted roller which occurs between the preheating roller and the heat setting roller is transmitted to the yarn which travels on the roller, causing the yarn to be wiped over the surface of the roller, resulting in a drastic reduction in the yarn quality.
The object of the present invention is to suppress the sway of the yarn of the untouched roll between the two rolls.
A spinning stretcher according to a first aspect of the invention is a spinning stretcher that extends a yarn spun from a spinning device, and is provided with a plurality of yarns extending along the yarn path for extending the yarn Roller, the plurality of rollers comprising a heating roller; two of the rollers adjacent to each other in the traveling direction of the yarn, the rotation The plurality of rollers are wound around the yarn in the rotation direction at a winding angle of 360 degrees or less; among the plurality of rollers, between the two rollers adjacent in the traveling direction The non-contact length Lf of the yarn is shorter than the contact length Lc of the yarns of the two aforementioned rolls adjacent in the traveling direction.
In the present invention, the two rollers adjacent to each other in the traveling direction of the yarn (hereinafter referred to as "adjacent roller") have the opposite rotation directions. The yarn is wound in a plurality of rolls in a rotational direction at a winding angle of 360 degrees or less. That is, the yarn is wound in an S shape in the adjacent rolls. Therefore, the yarn travels between adjacent rollers in a common inscribed tangential direction of the adjacent rollers. Therefore, the yarn travels in the direction of the common outer tangential direction of the adjacent rolls between the adjacent rolls as compared with the direction of rotation of the adjacent rolls, and the non-contact length Lf of the yarn between the adjacent rolls becomes short.
Further, in the present invention, the non-contact length Lf of the yarn between the adjacent rolls is shorter than the contact length Lc of the respective yarns of the adjacent rolls. Therefore, since the non-contact length Lf of the yarn between the adjacent rolls is short, the influence of the accompanying flow generated by the rotation of the rolls on the yarn of the uncontact rolls between the adjacent rolls becomes small. In this way, it is possible to suppress the sway of the yarn of the non-contact roller between the adjacent rolls, and it is possible to suppress the deterioration of the yarn quality and the yarn breakage. Further, since the influence of the accompanying flow generated by the rotation of the roller on the yarn of the uncontacted roller between the adjacent rollers becomes small, the windshield which causes the hindrance when the wire is wound can be reduced, and the workability of the wire hanging wire can be improved. In addition, since the non-contact length Lf of the yarn between the adjacent rollers is short, The yarn guide that is in contact with the yarn between the adjacent rollers becomes unnecessary, and it is possible to further suppress the deterioration of the yarn quality and the yarn breakage, and the threading workability of the roller can be improved because the yarn guide is not required to be hung. Further, since the contact length Lc of the yarn can be ensured for each of the rolls, the yarn can be sufficiently heated by the heating roll. Further, since the contact length Lc of the yarn can be ensured for each of the rolls, the sway of the yarn of the uncontacted roll between the adjacent rolls can be further suppressed by the frictional force of the yarn and the roll.
In the spinning and stretching device according to the first aspect of the invention, the non-contact length Lf of the yarn between the two rollers adjacent to each other in the traveling direction of the plurality of rollers is It is 60% or less of the contact length Lc of each of the two yarns adjacent to each other in the traveling direction.
In the present invention, the non-contact length Lf between the adjacent rolls is 60% or less of the contact length Lc of the yarns adjacent to the rolls. Therefore, with respect to the non-contact length Lf between the adjacent rolls, the contact length Lc of the yarns of the adjacent rolls is long, and by the frictional force of the yarns and the rolls, the yarn of the uncontact rolls between the adjacent rolls can be further suppressed. swing.
According to a third aspect of the invention, in the spinning extension device of the second aspect of the invention, in the plurality of rollers, a non-contact length Lf of the yarn between the two adjacent rollers in the traveling direction is It is 40 to 60% of the contact length Lc of each of the two yarns adjacent to each other in the traveling direction.
In the present invention, the non-contact length Lf between the adjacent rollers is 40 or more with respect to the contact length Lc of the yarns of the adjacent rollers, and thus is adjacent The gap between the rolls can form a sufficient gap for the work of hanging the wire on the roll while sucking with the sniffer while hanging the wire.
In the spinning and stretching device according to any one of the first to third aspects of the present invention, the yarn is wound around the plurality of rolls at a winding angle of 180 degrees or more and 270 degrees or less. line.
In the present invention, since the yarn is wound by a plurality of rolls at a winding angle of 180 degrees or more and 270 degrees or less, the contact length Lc of the yarns of the plurality of rolls can be sufficiently ensured. That is, since the contact length Lc of the yarn is sufficiently long, the yarn can be sufficiently heated by the roller. Further, since the winding angle is sufficiently large, the yarn can be sufficiently held by the surface of the roller, and the sliding of the yarn on the roller can be suppressed. In particular, it is possible to suppress the yarn slip on the rolls before and after the stretching, and it is possible to further suppress the deterioration of the yarn quality.
In the spinning and stretching device according to any one of the first to fourth aspects of the invention, the yarn of the plurality of rollers adjacent to each other in the traveling direction The non-contact length Lf of the wire is smaller than the sum of the radii of the two aforementioned rollers adjacent in the aforementioned traveling direction.
In the present invention, since the non-contact length Lf between the adjacent rolls is smaller than the sum of the radii of the adjacent rolls, the adjacent rolls can be arranged in close proximity, and the spinning extension device can be miniaturized.
The spinning extension device according to any one of the first to fifth aspects of the present invention, wherein the plurality of rollers are arranged in a zigzag shape along the yarn path.
In the present invention, a plurality of rollers are serrated along the yarn path Set. In this way, since a plurality of rollers can be arranged in a zigzag manner, the non-contact length Lf of the yarn between the adjacent rollers can be shortened. In addition, the spinning extension device is miniaturized.
In the present invention, the two rollers adjacent to each other in the traveling direction of the yarn (hereinafter referred to as "adjacent roller") have the opposite rotation directions. The yarn is wound in a plurality of rolls in a rotational direction at a winding angle of 360 degrees or less. That is, the yarn is wound in an S shape in the adjacent rolls. Therefore, the yarn travels between adjacent rollers in a common inscribed tangential direction of the adjacent rollers. Therefore, the yarn travels in the direction of the common outer tangential direction of the adjacent rolls between the adjacent rolls, and the non-contact length Lf of the yarn between the adjacent rolls becomes shorter than the direction in which the adjacent rolls rotate. Further, in the present invention, the non-contact length Lf of the yarn between the adjacent rolls is shorter than the contact length Lc of the respective yarns of the adjacent rolls. Therefore, since the non-contact length Lf of the yarn between the adjacent rolls is short, the influence of the accompanying flow generated by the rotation of the rolls on the yarn of the uncontact rolls between the adjacent rolls becomes small. In this way, it is possible to suppress the sway of the yarn of the non-contact roller between the adjacent rolls, and it is possible to suppress the deterioration of the yarn quality and the yarn breakage. Further, the accompanying flow generated by the rotation of the roller has a small influence on the yarn of the uncontacted roller between the adjacent rollers, and the windshield which causes the hindrance when the wire is wound can be reduced, and the workability of the wire hanging of the roller can be improved. Further, since the non-contact length Lf of the yarn between the adjacent rolls is short, the yarn guide that contacts the yarn between the adjacent rolls becomes unnecessary, and the yarn quality can be further suppressed from being lowered, and the yarn breakage can be further suppressed. The thread guide is used to hang the thread, which can improve the workability of the roller. In addition, due to the connection of the yarns of the rollers The contact length Lc ensures that the yarn can be sufficiently heated by the heating roller. Further, since the contact length Lc of the yarns for the respective rolls can be ensured, the sway of the yarn of the uncontacted rolls between the adjacent rolls can be further suppressed by the frictional force of the yarns and the rolls.
1‧‧‧Spinning machine
2‧‧‧Spinning extension device
3‧‧‧Yarn take-up device
4‧‧‧Spinning device
14~18, 101~104‧‧‧Guide roller (roller)
Fig. 1 is a front view showing the construction of a spinning machine of an embodiment of the present invention.
Fig. 2 is a side view of a spinning machine according to an embodiment of the present invention.
Figure 3 is an enlarged front elevational view of the spinning extension device.
Fig. 4 is a front view showing the construction of a spinning machine of a modification.
Fig. 5 is a side view of a spinning machine of a modification.
Fig. 6 is a front elevational view showing the construction of a spinning machine of another modification.
Fig. 7 is an enlarged front elevational view showing a spinning extension device of another modification.
Hereinafter, embodiments of the present invention will be described. Fig. 1 is a front view showing the structure of a spinning machine equipped with a spinning and stretching device according to an embodiment of the present invention. Figure 2 is a side view of a spinning processor. Hereinafter, each direction shown in FIG. 1 and FIG. 2 is set as the up-down direction, the left-right direction, and the front-back direction. As shown in FIGS. 1 and 2, the spinning machine 1 includes a yarn stretching device 2 and a yarn winding device 3. The spinning machine 1 is a plurality of yarns that are continuously supplied from a spinning device 4 located above. The yarn Y is extended by the spinning extension device 2 and sent to the yarn winding device 3, and the plurality of yarns Y are taken up by the yarn winding device 3. The yarn Y is, for example, a preheated polyester fiber which has to be stretched.
The spinning and stretching device 2 includes a plurality of yarn guiding rollers 14 to 18 for extending the yarn Y spun from the spinning device 4. Detailed description will follow.
The yarn winding device 3 is disposed below the spinning machine 4, and the plurality of yarns Y extended by the spinning extension device 2 are respectively wound up on a plurality of bobbins B to form a plurality of yarns. P. The yarn winding device 3 includes guide rolls 5 and 6, a plurality of fulcrum guides 7, and two winding units 8.
The guide rolls 5 and 6 are drive rolls driven by a motor (not shown), and the rotation axes thereof are arranged in parallel with the left-right direction. The guide roller 6 is disposed rearward and above the guide roller 5. The plurality of yarns Y fed from the spinning extension device 2 are sent to the lower plurality of fulcrum guides 7 by the guide rolls 5, 6.
A plurality of fulcrum guides 7 are disposed below the guide roller 6 above a plurality of traverse guides 12 of the winding unit 8 to be described later, and in a plurality of traverse guides 12 and a plurality of traverse guides 12 and the bobbin holder 11 Directly above the bobbins B, they are arranged to be arranged at the same interval as the interval between the plurality of bobbin holders 11 in the front-rear direction.
The winding unit 8 includes a main body frame 9, a disk-shaped turntable 10, two bobbin holders 11, a traverse guide 12, and a contact roller 13. The turntable 10 is rotatably disposed on the body frame 9; the two bobbin holders 11 are Suspension support by the turntable 10, the take-up shaft extends horizontally, and a plurality of bobbins B are arranged along the axial direction of the take-up shaft; the traverse guide 12 is used for reciprocating movement of the yarn Y; The contact roller 13 is movable in the up and down direction with respect to the body frame 9, and the bobbin B mounted on the bobbin holder 11 can be contacted or separated.
The winding unit 8 rotates the bobbin holder 11 by driving a motor (not shown), and rotates a plurality of bobbins B mounted on the bobbin holder 11 to roll up a plurality of bobbins B in rotation. Take the plural yarn Y. At this time, the yarn Y taken up by the bobbin B is reciprocated in the axial direction of the bobbin B with the fulcrum guide 7 as a fulcrum by the traverse guide 12 disposed above the plurality of bobbins B, respectively.
Further, the yarn Y that has been reciprocated by the traverse guide 12 with the fulcrum guide 7 as a fulcrum is taken up by the bobbin B to form the bobbin P. At this time, when the bobbin B is wound up, the contact roller 13 comes into contact with the outer peripheral surface of the bobbin P, and rotates while applying a predetermined contact pressure, thereby adjusting the shape of the bobbin P. Further, the plurality of bobbins P wound on the plurality of bobbins B mounted on the bobbin holder 11 are unloaded from the bobbin holder 11 by being pushed forward by an ejector (not shown) when the full bobbin P is wound up. under.
Next, the spinning extension device 2 will be explained. Figure 3 is an enlarged front elevational view of the spinning extension device 2. As shown in FIGS. 1 to 3, the spinning and stretching device 2 includes a plurality of yarn guiding rollers 14 to 18 (a plurality of rollers), an incubator 19, and guide rollers 20 and 21, which are disposed below the spinning device 4. . In addition, in Fig. 1 and Fig. 3, the inside of the incubator 19 can be seen.
A plurality of yarn guiding rollers 14 to 18 are arranged along the yarn path and are used to The yarn Y spun from the spinning device 4 is extended. The plurality of yarn guide rollers 14 to 18 are driving rollers that are respectively rotated by a motor (not shown), and the motor is suspended and supported by a frame body (not shown). The plurality of yarn guiding rollers 14 to 18 are heating rollers each having a heater (not shown) inside.
The yarn guide rollers 14 to 16 are yarn guide rollers for preheating the yarn Y before stretching and heating the yarn Y before stretching. In order to extend the yarn Y it is necessary to heat to a temperature above the glass transition point. When the yarn Y is a polyester fiber, the yarn guide rollers 14 to 16 for preheating are usually set to a temperature of 80 to 100 °C. The glass transition point varies depending on the type of polymer. The yarn guide rollers 17, 18 are yarn guide rollers for heat setting the stretched yarn Y by heat setting. In the case where the yarn Y is a polyester fiber, the yarn guide rolls 17, 18 for heat setting are usually set to a temperature of 120 to 150 °C. In this manner, the set temperatures of the yarn guide rollers 17 and 18 for heat setting are higher than those of the yarn guide rollers 14 to 16 for preheating.
The respective axial cores of the plurality of yarn guiding rollers 14 to 18 are parallel to each other, and the rotating shaft extends in the vertical direction of the paper surface of FIGS. 1 and 3. The plurality of yarn guide rollers 14 to 18 have a diameter of 2 r of, for example, 220 to 300 mm and have substantially the same diameter. The guide rollers 14 , 15 , 16 , 17 , and 18 are arranged in a zigzag manner from the bottom to the top, and the heat guide yarn guide rollers 17 and 18 are disposed to be positioned above the preheating yarn guide rollers 14 to 16 . .
The yarn guide rollers 14, 16, 18 are rotated clockwise in Figs. 1 and 3. The yarn guide rollers 15, 17 are rotated counterclockwise in Figs. 1 and 3. Therefore, each of the yarn guiding roller 14 and the yarn guiding roller 15 adjacent to the traveling direction of the yarn Y, the yarn guiding roller 15 and the yarn guiding roller 16, and the yarn guiding yarn Each of the roller 16 and the yarn guide roller 17, the yarn guide roller 17, and the yarn guide roller 18 have the opposite rotation directions.
The yarn guide rollers 14 to 18 are respectively wound in the rotation direction in the order of the winding angles within 360 degrees, in the order from the lower side to the upper side, that is, in the order of the yarn guiding rollers 14, 15, 16, 17, 18 Line Y. In other words, two yarn guiding rollers 14 and the yarn guiding roller 15, the yarn guiding roller 15 and the yarn guiding roller 16, the yarn guiding roller 16 and the yarn guiding roller 17, the yarn guiding roller 17 and the adjacent yarns in the traveling direction of the yarn Y The yarn guide roller 18 is wound in the S-shaped yarn Y (so-called S-winding). Further, among the plurality of yarn guiding rollers 14 to 18, any two of the yarn guiding rollers 14 to 18 adjacent to each other in the traveling direction of the yarn Y are also referred to as "adjacent yarn guiding rollers". The rotation direction of the adjacent yarn guide rolls is reversed. Further, the yarn Y is wound in the rotation direction at a plurality of yarn guide rollers 14 to 18 at a winding angle of 360 degrees or less. Therefore, the yarn Y travels between adjacent yarn guide rollers in a common inscribed tangential direction adjacent to the yarn guide rollers. In the present embodiment, the yarn Y is wound around the plurality of yarn guiding rollers 14 to 18 at a winding angle of 180 degrees or more and 270 degrees or less.
The incubator 19 is a box having a substantially rectangular parallelepiped shape for accommodating the heat insulating materials of the yarn guide rollers 14 to 18. The incubator 19 is used to prevent the heat generated by the yarn guide rollers 14 to 18 from escaping to the outside, thereby keeping the interior warm. In the inside of the heat insulating box 19, the yarn guide rolls 17 and 18 for heat setting at a high setting temperature are placed above or by heat convection, so that the upper temperature is higher than the lower side. Inside the incubator 19, a partition wall 24 is provided in order to prevent the set temperature of the yarn guide roller from affecting the set temperature of each other.
In the incubator 19, above the same side (right side) Slots 22 and 23 are provided below, and a plurality of yarns Y are introduced into the inside of the incubator 19 through the slits 22 below, and a plurality of yarns Y are led out from the inside of the incubator 19 through the slits 23 above. That is, the yarn Y side of the yarn Y spun from the spinning device 4 of the heat insulating box 19 (the right side of the heat insulating box 19) allows the yarn Y to enter the heat insulating box 19, and the yarn Y is spun from the heat insulating box 19. The yarn path side of the yarn Y spun from the device 4 (the right side of the heat insulating box 19) is led out.
The incubator 19 is disposed so as to form an inclination of about 10 degrees toward the front side with respect to the vertical plane. This is because the guide rollers 20, 21 are displaced in the front-rear direction (axial direction) so that the yarn Y entering the incubator 19 and the yarn Y led out from the incubator 19 are not in contact.
The guide roller 20 is disposed outside the heat insulating box 19 at a position (right side) shifted from the slit 22 of the heat insulating box 19 in the horizontal direction, and the yarn path of the plurality of yarns Y spun from the spinning device 4 is changed. The yarn Y is guided to the incubator 19. The yarn Y is allowed to enter the guide roller 20 from above. The guide roller 21 is disposed outside the heat insulating box 19 at a position (right side) shifted from the slit 23 of the heat insulating box 19 in the horizontal direction, and the yarn path of the plurality of yarns Y that are led out from the heat insulating box 19 is changed. The plurality of yarns Y guide the guide rolls 5. Further, the guide rollers 20 and 21 are both driven rollers and drive rollers, and it is easy to change the yarn path of the yarn Y in the case of driving the rollers.
The process of extending the plural yarn Y will be described. The plurality of yarns Y spun from the spinning device 4 are preheated to a temperature higher than the glass transition point by contact with the yarn guide rollers 14 to 16 for preheating. The plurality of yarns Y after the preheating are driven by the rotation of the yarn guide rollers 14 to 16 for preheating, and are sent to the downstream yarn guide rollers 17 and 18 for heat setting. Here, for example, upstream The yarn feeding speeds of the yarn guiding rollers 14 to 16 for preheating are substantially the same. Further, the yarn feed speeds of the yarn guide rollers 17, 18 for the downstream heat setting are substantially the same, but the yarn conveyance speed is faster than the yarn guide rollers 14 to 16 for preheating. Therefore, a plurality of yarns Y are stretched between the yarn guide rollers 14 to 16 for preheating and the yarn guide rollers 17 and 18 for heat setting which have a higher yarn feed speed. The plurality of yarns Y after stretching are heat-set by contact with the yarn guiding rollers 17, 18 for heat setting, and are driven by the rotation of the yarn guiding rollers 17, 18 for heat setting to be sent to the guide roller 20. .
In the conventional spinning and stretching device, the length of the yarn which is not in contact with the yarn guiding roller between the two yarn guiding rollers adjacent to each other in the traveling direction of the yarn is long, and is caused by the rotation of the yarn guiding roller. This can cause the yarn that is not in contact with the yarn guide roller to sway. If the yarn is not swayed by the yarn, the filaments constituting the yarn are brought into contact with each other, and are separated from each other and collide with each other, resulting in deterioration of the yarn quality. Further, if the adjacent running yarns come into contact with each other, there is a possibility of yarn breakage. In particular, between the yarn guide roller for preheating and the yarn guide roller for heat setting, the yarn speed on the yarn guide roller slips due to a sharp change in the yarn speed, resulting in a decrease in the yarn gripping force on the surface of the roller. . Therefore, the yarn sway of the non-contact roller occurring between the pre-heating yarn guide roller and the heat-guiding yarn guide roller is transmitted to the yarn running on the yarn guide roller, and the yarn is rubbed over the yarn guide roller. The surface, resulting in a significant reduction in yarn quality.
Here, the contact length with respect to each of the yarns adjacent to the yarn guide roller is set to Lc. The contact length of the yarn Y in contact with the yarn guiding roller 14 is set to Lc1. The contact length of the yarn Y in contact with the yarn guiding roller 15 is set to Lc2. Setting the contact length of the yarn Y in contact with the yarn guiding roller 16 For Lc3. The contact length of the yarn Y in contact with the yarn guiding roller 17 is set to Lc4. The contact length of the yarn Y in contact with the yarn guiding roller 18 is set to Lc5. Further, the non-contact length of the yarn Y between the adjacent yarn guide rollers is set to Lf. The non-contact length of the yarn Y between the yarn guiding roller 14 and the yarn guiding roller 15 adjacent in the traveling direction of the yarn Y is set to Lf1. The non-contact length of the yarn Y between the yarn guiding roller 15 and the yarn guiding roller 16 adjacent in the traveling direction of the yarn Y is set to Lf2. The non-contact length of the yarn Y between the yarn guiding roller 16 and the yarn guiding roller 17 adjacent in the traveling direction of the yarn Y is set to Lf3. The non-contact length of the yarn Y between the yarn guiding roller 17 and the yarn guiding roller 18 adjacent in the traveling direction of the yarn Y is set to Lf4.
As described above, the rotation direction of the adjacent yarn guide rollers is reversed, and the yarn Y is wound in the rotation direction at a plurality of yarn guide rollers 14 to 18 at a winding angle of 360 degrees or less. In other words, the yarn Y is wound in an S-shape adjacent to the yarn guide roller. Therefore, the yarn Y travels between adjacent yarn guide rollers in a common inscribed tangential direction adjacent to the yarn guide rollers. Therefore, the yarn Y travels in the direction of the common outer tangential direction of the adjacent yarn guiding roller, and the non-contact length of the yarn Y between the adjacent yarn guiding rollers is the same as the direction of rotation of the adjacent yarn guiding rollers. Lf (Lf1, Lf2, Lf3, Lf4) becomes shorter.
Further, in the present embodiment, the non-contact length Lf of the yarn Y between the adjacent yarn guide rolls is shorter than the contact length Lc of the yarn Y adjacent to the respective yarn guide rolls (Lf < Lc). That is, the non-contact length Lf1 is shorter than the contact length Lc1 (Lf1 < Lc1) and shorter than the contact length Lc2 (Lf1 < Lc2). The non-contact length Lf2 is shorter than the contact length Lc2 (Lf2 < Lc2) and shorter than the contact length Lc3 (Lf2 < Lc3). Non-contact length The degree Lf3 is shorter than the contact length Lc3 (Lf3 < Lc3) and shorter than the contact length Lc4 (Lf3 < Lc4). The non-contact length Lf4 is shorter than the contact length Lc4 (Lf4 < Lc4) and shorter than the contact length Lc5 (Lf4 < Lc5). Therefore, since the non-contact length Lf of the yarn Y between the adjacent yarn guide rollers is short, the influence of the accompanying flow generated by the rotation of the yarn guide roller on the yarn Y between the adjacent yarn guide rollers that are not in contact with the yarn guide roller becomes small. In this way, it is possible to suppress the sway of the yarn Y between the adjacent yarn guide rollers that is not in contact with the yarn guide roller. Therefore, it is possible to prevent the filaments constituting each yarn Y from coming into contact with each other, separating and colliding with each other, and it is possible to suppress the deterioration of the yarn quality. Further, it is possible to suppress the yarns Y in the adjacent walking from coming into contact with each other, so that yarn breakage can be suppressed.
In particular, between the yarn guiding roller 16 for preheating and the yarn guiding roller 17 for heat setting, the yarn Y is extended, and the yarn Y speed is abruptly changed, so that the yarn guiding rollers 16 and 17 are formed. The yarn Y that has traveled on the upper side causes the yarn Y gripping force on the surfaces of the yarn guiding rollers 16, 17 to be lowered. Therefore, when the yarn Y between the yarn guiding rollers 16, 17 which is not in contact with the yarn guiding rollers 16, 17 is swayed, the yarn sway is transmitted to the yarn Y traveling on the yarn guiding rollers 16, 17, so that the yarn Y is rubbed over the surfaces of the yarn guiding rollers 16, 17, resulting in a significant reduction in yarn quality. In the present embodiment, the non-contact length Lf3 of the yarn Y between the yarn guiding roller 16 for preheating and the yarn guiding roller 17 for heat setting is short, and the yarn guiding roller 16 for preheating and heat setting can be suppressed. The yaw of the yarn Y between the yarn guide rollers 17 that is not in contact with the yarn guide rollers 16, 17 is used. Therefore, the sway of the yarn Y that travels on the yarn guiding rollers 16, 17 can be suppressed, and the deterioration of the yarn quality can be further suppressed.
In addition, due to the rotation of the yarn guide rollers 14~18 The flow is less affected by the yarn Y that is not in contact with the yarn guide roller between the adjacent yarn guide rollers, and the windshield that causes the hindrance when the thread is wound can be reduced, and the threading workability of the yarn guide rollers 14 to 18 can be improved. Further, since the non-contact length Lf of the yarn Y between the adjacent yarn guide rolls is short, the yarn guide is not required between the adjacent yarn guide rolls. The yarn guide is in contact with the yarn Y, and may cause yarn quality to be lowered and yarn breakage due to friction with the yarn Y. Since it is unnecessary, the yarn quality can be further suppressed from being lowered. Further, since the yarn guide is not required between the adjacent yarn guide rollers, the threading operation of the yarn guide is not required, and the threading workability of the yarn guide rollers 14 to 18 is improved.
Further, since the contact lengths Lc1 (>Lf1), Lc2 (>Lf1, Lf2), Lc3 (>Lf2, Lf3), Lc4 (>Lf3, Lf4) of the yarn Y for each of the yarn guide rollers 14 to 18 can be secured, Lc5 (> Lf4), the yarn Y can be sufficiently heated by the yarn guiding rollers 14 to 18. Further, since the contact lengths Lc1 (>Lf1), Lc2 (>Lf1, Lf2), Lc3 (>Lf2, Lf3), Lc4 (>Lf3, Lf4) of the yarn Y for each of the yarn guide rollers 14 to 18 can be secured, Lc5 (>Lf4), by the frictional force of the yarn Y and the yarn guide roller, the sway of the yarn Y between the adjacent yarn guide rollers that are not in contact with the yarn guide rollers 14 to 18 can be further suppressed.
Further, in the present embodiment, the non-contact length Lf of the yarn Y between the adjacent yarn guide rolls is 40 to 60% (0.4 Lc ≦ Lf ≦ 0.6 Lc) of the contact length Lc of the yarn Y adjacent to the respective yarn guide rolls. ). That is, the non-contact length Lf1 is 40 to 60% (0.4 Lc1 ≦ Lf1 ≦ 0.6 Lc1) of the contact length Lc1, and is 40 to 60% (0.4 Lc2 ≦ Lf2 ≦ 0.6 Lc 2 ) of the contact length Lc2. The non-contact length Lf2 is 40 to 60% of the contact length Lc2 ( 0.4Lc2≦Lf2≦0.6Lc2), and is 40~60% of contact length Lc3 (0.4Lc3≦Lf2≦0.6Lc3). The non-contact length Lf3 is 40 to 60% (0.4 Lc3 ≦ Lf3 ≦ 0.6 Lc3) of the contact length Lc3, and is 40 to 60% (0.4 Lc4 ≦ Lf3 ≦ 0.6 Lc4) of the contact length Lc4. The non-contact length Lf4 is 40 to 60% (0.4 Lc ≦ Lf4 ≦ 0.6 Lc4) of the contact length Lc4, and is 40 to 60% (0.4 Lc5 ≦ Lf4 ≦ 0.6 Lc5) of the contact length Lc5. Thus, the non-contact length Lf of the yarn Y between the adjacent yarn guide rolls is 60% or less (Lf ≦ 0.6 Lc) with respect to the contact length Lc of the yarn Y adjacent to each of the yarn guide rolls. Therefore, with respect to the non-contact length Lf, since the contact length Lc is long, the yarn Y of the unguided yarn guide rollers 14 to 18 between the adjacent yarn guide rollers can be further suppressed by the frictional force of the yarn Y and the yarn guide roller. swing. Further, the non-contact length Lf of the yarn Y between the adjacent yarn guide rolls is 40% or more (0.4 Lc ≦ Lf) with respect to the contact length Lc of the yarn Y adjacent to each of the yarn guide rolls. Therefore, the gap between the adjacent yarn guide rollers can be formed sufficiently large, and a sufficient gap can be formed in the operation of winding the yarn Y by the suction gun while sucking the yarn Y while hanging the thread.
Further, in the present embodiment, the yarn Y is wound around the plurality of yarn guiding rollers 14 to 18 at a winding angle of 180 degrees or more and 270 degrees or less, so that the yarn Y of each of the yarn guiding rollers 14 to 18 is in contact with each other. The length Lc (Lc1~Lc5) can be fully ensured. In this manner, the yarn Y can be sufficiently heated by the yarn guiding rollers 14 to 18. Further, since the winding angle of the yarn Y is 180 degrees or more and is sufficiently large, the yarn Y can be sufficiently held by the surface of the yarn guiding rollers 14 to 18, and the sliding of the yarn Y on the yarn guiding rollers 14 to 18 can be suppressed. . In particular, it is possible to suppress the yarn guide roller 16 for preheating before and after the extension, and to heat setting The yarn Y on the yarn guiding roller 17 slides, and the deterioration of the yarn quality can be further suppressed.
Further, in the present embodiment, the non-contact length Lf of the yarn Y between the adjacent yarn guide rollers is smaller than the sum 2r (= r + r) of the respective radius r of the adjacent yarn guide rollers (Lf (Lf1 to Lf4) < 2r). Therefore, the adjacent yarn guiding rolls can be arranged in close proximity, and the spinning extension device 2 can be miniaturized.
Further, in the present embodiment, the plurality of yarn guiding rollers 14 to 18 are arranged in a zigzag shape along the yarn path. In this manner, since the plurality of yarn guiding rollers 14 to 18 are arranged in a zigzag manner, the non-contact length Lf of the yarn between the adjacent yarn guiding rollers is shortened. Further, the spinning extension device 2 is miniaturized.
The embodiments of the present invention have been described above, but the embodiments to which the present invention can be applied are not limited to the above-described embodiments, and as appropriate, various modifications can be made without departing from the scope of the present invention.
Fig. 4 is a front view showing the construction of a spinning machine of a modification. Fig. 5 is a side view of a spinning machine of a modification. In the above embodiment, in order to displace the guide rollers 20, 21 in the front-rear direction (axial direction), the yarn Y entering the incubator 19 and the yarn Y led out from the incubator 19 are not in contact, and the incubator 19 is disposed. It is inclined forward with respect to the vertical side. Instead of the structure for tilting the incubator 19, the guides 25, 26 are provided as shown in Figs. 4 and 5, and the yarns entering the incubator 19 are bent by the guides 25, 26 to bend the plurality of yarns Y. The yarns leading from the incubator 19 are not in contact, and a plurality of yarns Y are guided to the guide rolls 20. The guide 25 bends a plurality of yarns Y from the rear toward the front, and guides the bent yarn Y toward the guide 26. The guide 26 is to take a plurality of yarns Y from The upper portion is bent downward so that the bent yarn Y is led toward the guide roller 20. The yarn path of the plurality of yarns Y may be the yarn path shown in Figs. 1 and 2 described in the above embodiment, or may be the yarn path shown in Figs. 4 and 5 .
Fig. 6 is a front view showing the construction of a spinning processor of another modification. Fig. 7 is an enlarged front elevational view showing a spinning extension device of another modification. As shown in FIGS. 6 and 7, the spinning and stretching device 2 includes a plurality of yarn guiding rollers 101 to 104 (a plurality of rollers), an incubator 19 for accommodating a plurality of yarn guiding rollers 101 to 104, and the like. The yarn guide rollers 101 and 102 are the same yarn guide rollers for preheating the yarn Y before the extension, which is the same as the yarn guide rollers 14 to 16 of the above-described embodiment. The yarn guide rollers 103 and 104 are the same as the yarn guide rollers 17 and 18 of the above-described embodiment, and the yarn guide rollers for heat setting the stretched yarn Y are heat-set. Therefore, the plurality of yarn guiding rollers 101 to 104 include two yarn guiding rollers 101 and 102 for preheating and two yarn guiding rollers 103 and 104 for heat setting, and a total of four. The yarn guide rolls 101, 102, 103, and 104 are arranged in a zigzag manner from the bottom to the top in the order of the yarn guide rolls 101, 102, 103, and 104. The heat guide rolls 103 and 104 are disposed above the yarn guide rolls 101 and 102 for preheating.
The yarn guide rollers 101 and 103 are rotated counterclockwise in FIGS. 6 and 7. The yarn guide rollers 102, 104 are rotated clockwise in Figs. 6 and 7. Therefore, each of the yarn guiding roller 101 and the yarn guiding roller 102 adjacent to the traveling direction of the yarn Y, each of the yarn guiding roller 102 and the yarn guiding roller 103, the yarn guiding roller 103 and the yarn guiding roller 104, the rotation direction is reversed. of.
The yarn guide rollers 101 to 104 are respectively wound at an angle of 360 degrees or less along the rotation of the yarn guide rollers 101, 102, 103, and 104. Wind the yarn Y. In other words, the two yarn guide rollers 101 and the yarn guide roller 102, the yarn guide roller 102, the yarn guide roller 103, the yarn guide roller 103, and the yarn guide roller 104 which are adjacent in the traveling direction of the yarn Y are S-shaped, respectively. Winding yarn Y (so-called S-winding). Further, the yarn Y is wound in the rotation direction in a plurality of yarn guiding rollers 101 to 104 at a winding angle of 360 degrees or less. Therefore, the yarn Y travels between adjacent yarn guide rollers in a common inscribed tangential direction adjacent to the yarn guide rollers.
Inside the incubator 19, a partition wall 24 is provided in order to prevent the set temperature of the yarn guide roller from affecting the set temperature of each other. In the incubator 19, slits 22 and 23 are provided on the right side surface and the left side surface, and the plurality of yarns Y enter the inside of the heat insulating box 19 through the slit 22 on the right side surface, and are insulated by the slit 23 on the left side surface. The inside of the tank 19 leads to a plurality of yarns Y. That is, the plurality of yarns Y enter the inside of the incubator 19 from the right side of the incubator 19, and are led out from the inside of the incubator 19 to the left side of the incubator 19. Therefore, since the yarn Y entering the incubator 19 and the yarn Y derived from the incubator 19 are not in contact, the incubator 19 is not inclined.
The contact length of the yarn Y in contact with the yarn guiding roller 101 is set to Lc11. The contact length of the yarn Y in contact with the yarn guiding roller 102 is set to Lc12. The contact length of the yarn Y in contact with the yarn guiding roller 103 is set to Lc13. The contact length of the yarn Y in contact with the yarn guiding roller 104 is set to Lc14. The non-contact length of the yarn Y between the yarn guiding roller 101 and the yarn guiding roller 102 adjacent in the traveling direction of the yarn Y is set to Lf11. The non-contact length of the yarn Y between the yarn guiding roller 102 and the yarn guiding roller 103 adjacent in the traveling direction of the yarn Y is set to Lf12. Will walk on the yarn Y The non-contact length of the yarn Y between the adjacent yarn guiding roller 103 and the yarn guiding roller 104 in the direction is set to Lf3.
Similarly to the above-described embodiment, the non-contact length Lf of the yarn Y between the adjacent yarn guide rolls is shorter than the contact length Lc of the yarn Y adjacent to the respective yarn guide rolls (Lf < Lc). That is, the non-contact length Lf11 is shorter than the contact length Lc11 (Lf11 < Lc11) and shorter than the contact length Lc12 (Lf11 < Lc12). The non-contact length Lf2 is shorter than the contact length Lc12 (Lf12 < Lc12) and shorter than the contact length Lc13 (Lf12 < Lc13). The non-contact length Lf13 is shorter than the contact length Lc13 (Lf13 < Lc13) and shorter than the contact length Lc14 (Lf13 < Lc14).
In the above embodiment, the non-contact lengths Lf1 to Lf4 are substantially the same length. In other words, in the yarn guide rollers 14 to 18, the intervals adjacent to the yarn guide rollers are substantially the same. The yarn guide roller for preheating and the yarn guide roller for heat setting are different in various conditions such as the set temperature and the yarn feed speed of the yarn Y. Therefore, the yarn guide roller for preheating and the yarn guide roller for heat setting The interval is preferably larger than the interval between the pre-heating yarn guide rolls and the interval between the yarn guide rollers for heat setting.
In the above embodiment, the plurality of yarn guiding rollers 14 to 18 are heating rollers. However, the present invention is not limited thereto, and all or a part of the yarn guide rollers 14 to 16 for preheating the yarn Y before the extension can be produced, for example, when the type of the yarn to be produced is, for example, a nylon which can be stretched at a normal temperature. Use a non-heating roller that does not have a heater. Further, when the yarn guide rollers 14 to 16 for preheating the yarn Y before the extension are provided with the heater, the power source of the heater can be cut off and all or a part of the yarn can be used in a non-heated state.
In the above embodiment, three yarn guide rollers 14 to 16 for preheating, two yarn guide rollers 17 and 18 for heat setting, and a total of five yarn guide rollers 14 to 18 of substantially the same diameter are placed along the yarn. The track is set in a zigzag pattern. However, the number of the yarn guide rolls, the arrangement, the diameter, the winding angle of the yarn, the number of the yarn guide rollers for preheating and heat setting, etc., can be made according to the type of yarn to be produced, The heating temperature of the yarn or the like is appropriately changed.
2‧‧‧Spinning extension device
14~18‧‧‧Guide roller
19‧‧‧ incubator
20‧‧‧guide roller
22, 23‧‧‧ slit
24‧‧‧ partition wall
Y‧‧‧Yarn

Claims (6)

  1. A spinning extension device is a spinning and stretching device for extending a yarn spun from a spinning device, and is provided with a plurality of rollers arranged along the yarn path for extending the yarn. The plurality of rollers include a heating roller; the two rollers adjacent in the traveling direction of the yarn have opposite rotation directions; and the plurality of rollers are rotated along the winding angle within 360 degrees respectively Winding the yarn in a direction; wherein, in the plurality of rollers, a non-contact length Lf of the yarn between the two adjacent rollers in the traveling direction is larger than two rollers adjacent to each other in the traveling direction The contact length Lc of each of the aforementioned yarns is shorter.
  2. The spinning extension device of claim 1, wherein the non-contact length Lf of the yarn between the two adjacent rollers in the traveling direction of the plurality of rollers is for the traveling direction The contact length Lc of each of the above two adjacent rolls is 60% or less.
  3. The spinning extension device of claim 2, wherein, in the plurality of rollers, a non-contact length Lf of the yarn between the two adjacent rollers in the traveling direction is for the traveling direction The contact length Lc of the yarns of each of the two adjacent rollers is 40 to 60%.
  4. Spinning extension as claimed in any of claims 1 to 3 In the apparatus, the yarn is wound around the plurality of rolls at a winding angle of 180 degrees or more and 270 degrees or less.
  5. The spinning extension device according to any one of claims 1 to 4, wherein, in the plurality of rollers, a non-contact length Lf of the yarn between the two adjacent rollers in the traveling direction, The sum of the radii of the two aforementioned rollers adjacent in the aforementioned traveling direction is smaller.
  6. The spinning extension device according to any one of claims 1 to 5, wherein the plurality of rollers are arranged in a zigzag shape along the yarn path.
TW102122166A 2012-06-22 2013-06-21 Spun yarn drawing apparatus TWI576477B (en)

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JP2012140420A JP5894871B2 (en) 2012-06-22 2012-06-22 Spinning and drawing equipment
JP2012143821 2012-06-27
JP2012256282A JP5977153B2 (en) 2012-11-22 2012-11-22 Spinning and winding equipment
JP2012256281A JP5968766B2 (en) 2012-11-22 2012-11-22 Spinning and winding equipment
JP2012270296 2012-12-11
JP2013049267A JP6133637B2 (en) 2013-03-12 2013-03-12 Spinning and drawing equipment

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JP6530259B2 (en) * 2014-08-12 2019-06-12 Tmtマシナリー株式会社 Spinning / drawing apparatus and spinning / drawing method
DE102014012145A1 (en) * 2014-08-14 2016-03-03 Oerlikon Textile Gmbh & Co. Kg Apparatus for stripping and drawing a plurality of threads
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