JP6457342B2 - False twisting machine and yarn twisting method of false twisting machine - Google Patents

Description

  The present invention relates to a false twisting machine that performs false twisting on a yarn, and a yarn hooking method of the false twisting machine.

  Patent Document 1 describes a false twisting machine. This false twisting machine has a main machine base, a main machine base and a work space that are opposed to each other, a yarn supply creel that holds a yarn supply package, and a yarn that is arranged above the main machine base and supplied from the yarn supply creel. A false twisting device, and a winding device that is provided in the main machine stand and winds the yarn false twisted by the false twisting device. Further, a first feed roller, a heating device, and a cooling device are arranged in order from the upstream side in the yarn traveling direction on the yarn path from the yarn feeding creel to the false twisting device. Further, a second feed roller is disposed immediately downstream of the false twisting device. In addition, the heating device and the cooling device are arranged in a substantially straight line upward and obliquely upward so that the heating device is on the upper side of the work space.

  A yarn hooking device for hooking the yarn supplied from the yarn feeding creel onto the heating device along the longitudinal direction of the yarn path is provided below the heating device. The yarn hooking device has a guide rail provided in the lower part of the heating device along the longitudinal direction of the yarn path, and a lower yarn hooking preparation position along the guide rail while holding the yarn. And a shifter movable to the yarn entrance position.

JP 2012-97369 A JP 2009-74219 A

  When threading the heating device, the operator hangs the yarn in the order of the first feed roller, the second feed roller, and the false twisting device. At this time, the first feed roller does not hold the yarn. Further, the second feed roller is made to grip the yarn. Thereafter, the yarn is held by hanging on the guide guide of the shifter located at the yarn hooking preparation position near the lower end of the heating device, the yarn is twisted by the false twisting device, and the shifter is moved along the guide rail. As a result, the yarn moves together with the shifter from the yarn hooking preparation position to the yarn inlet position of the heating device, and is hung on the heating device and the cooling device. Normally, the yarn supplied from the yarn supplying section is driven by a false twisting device and applied to a heating device and a cooling device in a state where false twisting is applied. The drawn false twist state is completed by gripping the yarn.

  Here, when the shifter is moved from the yarn hooking preparation position to the yarn inlet position of the heating device, the distance between the false twisting device and the shifter increases as the shifter approaches the yarn inlet position of the heating device. The length of the yarn between the false twisting device and the shifter also becomes longer. By the way, when a plurality of yarns are heated by one heating device as in Patent Document 2, a plurality of yarns are simultaneously moved to a yarn inlet of the heating device by one shifter. In this case, as the shifter moves away from the false twisting device, the angle formed by the yarn held by the shifter gradually decreases, and the yarn and the yarn approach each other.

  In addition, as described above, the false twisting device is driven when threading the heating device. Accordingly, the plurality of yarns between the false twisting device and the shifter are swirled so as to draw a circle as viewed from the yarn traveling direction. As described above, as the shifter approaches the entrance position of the heating device, the length of the yarn between the false twisting device and the shifter becomes longer, so that the circle drawn by the swirling yarn becomes larger. When the diameter of the circle drawn by the swirling yarn becomes larger than the distance between the static yarns, two adjacent yarns come into contact with each other. That is, the two yarns are likely to come into contact with each other in the vicinity of the shifter where the distance between the yarns becomes small. This may cause problems such as thread breakage.

  The present invention has been made in view of the above circumstances, and the purpose thereof is false twisting that can prevent contact between yarns when simultaneously moving a plurality of yarns to a yarn inlet position of a heating device by a shifter. It is providing the threading method of a processing machine and a false twist processing machine.

  A false twisting machine according to a first aspect of the present invention includes a yarn supplying unit that supplies a plurality of yarns, a winding unit that winds up the plurality of yarns supplied from the yarn supplying unit, the yarn supplying unit, and the winding unit A heating device disposed on a yarn path between the heating unit, a plurality of false twisting devices disposed on each of the yarn paths between the heating device and the winding unit, and a yarn outlet position of the heating device A shifter that is movable from the side to a yarn entry position, and includes a shifter that holds the plurality of yarns, and a yarn separation means that widens the interval between the plurality of yarns held by the shifter. It is.

  In the present invention, the plurality of yarns supplied from the yarn supplying unit are held by a shifter that can move from the yarn outlet position side of the heating device to the yarn inlet position. Furthermore, the false twisting machine is provided with a yarn separating means for widening the interval between the plurality of yarns. Therefore, when the shifter moves from the yarn outlet position side of the heating device to the yarn inlet position, a plurality of yarns can be moved while keeping a distance from each other. Thereby, when a several thread | yarn is simultaneously moved to the thread | yarn entrance position of a heating apparatus with a shifter, a contact with a thread | yarn can be prevented. Therefore, problems such as yarn breakage can be prevented.

  The false twisting machine of the second invention is characterized in that, in the first invention, the yarn separating means is provided in the shifter.

  In the present invention, the yarn separating means is provided in the shifter. Accordingly, the plurality of yarns can be separated from each other in the vicinity of the yarn entrance position of the heating device where the distance between the yarns becomes short. As a result, the plurality of yarns are separated even on the downstream side where the distance between the yarns becomes larger than the vicinity of the yarn inlet position of the heating device. Therefore, it can prevent that a thread | yarn contacts a thread | yarn.

  In the false twisting machine of the third invention, in the first or second invention, the shifter has a guide for guiding the plurality of yarns to the heating device, and the yarn separating means includes the plurality of yarn separating means. A restriction guide on which at least one yarn is hung so that a distance between the yarn is separated from a position where the yarn is hung on the guide guide, and the restriction guide is provided in the vicinity of the guide guide. It is characterized by being.

  In the present invention, the yarn separating means is a restriction guide on which at least one yarn is hung so that the distance between the yarns is greater than the position where the plurality of yarns are hung on the guide guide. Is provided in the vicinity of the guide. Therefore, the plurality of yarns are separated so that the distance between the yarns is larger than the position where the plurality of yarns are hung on the guide guides in the vicinity of the guide guide where the distance is the smallest. As a result, the plurality of yarns are also separated on the downstream side where the distance between the yarns is greater than the vicinity of the guide guide. Therefore, it is possible to reliably prevent the yarns from coming into contact with each other.

  The false twisting machine according to a fourth aspect of the present invention is the false twisting machine according to the third aspect, wherein the guide guide is moved from the false twisting device when the plurality of yarns are moved to the yarn inlet of the heating device by the shifter. It is a twisting guide that stops the twist propagating upstream in the yarn traveling direction.

  In the present invention, the guide guide is a twist guide that stops twisting of the plurality of yarns when the plurality of yarns are moved to the yarn inlet of the heating device by the shifter. Accordingly, twisting of the plurality of yarns is stopped on the upstream side of the twisting guide at the yarn inlet position of the heating device. Accordingly, the plurality of yarns do not turn on the upstream side in the yarn traveling direction from the twist guide. Thereby, compared with the case where a plurality of yarns respectively turn both on the upstream side in the yarn traveling direction and on the downstream side in the yarn traveling direction from the yarn inlet position of the heating device, the yarn traveling direction upstream side and the yarn traveling direction downstream side from the twist guide. In both cases, the closest approach distance between yarns increases. Accordingly, it is possible to prevent the yarns from contacting each other on the upstream side in the yarn traveling direction and on the downstream side in the yarn traveling direction. Further, it is possible to prevent the yarn on the upstream side in the yarn traveling direction from contacting the yarn on the downstream side in the yarn traveling direction.

  The false twisting machine according to a fifth aspect of the present invention is the false twisting machine according to the first aspect, wherein the heating device is disposed such that a longitudinal direction thereof is inclined with respect to a horizontal direction, and an inlet position of the plurality of yarns is an upper end in the longitudinal direction. The shifter has a guide guide for guiding the plurality of yarns to the heating device, and the yarn separating means is adjacent to a position where the plurality of yarns are hung on the guide guides. A regulation guide on which at least one yarn is hung so as to separate a distance between the matching yarns, and the regulation guide is provided at a lower portion on the yarn outlet side. .

  In the present invention, the heating device is arranged such that the length direction thereof is inclined with respect to the horizontal direction, and the yarn inlet positions of the plurality of yarns are arranged on the upper end side in the longitudinal direction. When the plurality of yarns are moved to the yarn inlet position of the heating device by the shifter, at least one of the plurality of yarns is hung on the yarn separating means provided at the lower portion on the yarn outlet side of the heating device. Therefore, since the yarn hung on the yarn separating means has a large distance from the yarn path of the yarn adjacent to the yarn separating means, the plurality of yarns are separated so that the interval between the yarns becomes large. Thereby, it can prevent that a thread | yarn contacts a thread | yarn.

  According to a sixth aspect of the present invention, there is provided a yarn twisting method for a false twisting machine, wherein a yarn supplying unit that supplies a plurality of yarns, a winding unit that winds up the plurality of yarns supplied from the yarn supplying unit, And a heating device disposed on a yarn path between the winding unit, two false twisting devices disposed on the yarn path between the heating device and the winding unit, and a yarn of the heating device Yarn hook of false twisting machine comprising a shifter that is movable from the exit position side to a yarn entry position and holds the plurality of yarns, and a yarn separating means that widens the interval between the plurality of yarns held by the shifter In the method, the plurality of yarns are respectively hung on the two false twisting devices, and when the shifter is moved to the yarn inlet position of the heating device, the interval between the plurality of yarns is widened by the yarn separating means. It is characterized by.

  In the present invention, as in the first invention, a plurality of yarns supplied from the yarn supplying section are held by a shifter that can move to the yarn inlet position of the heating device, and the yarn separating means that widens the interval between them is provided. I have. Therefore, when the shifter moves from the yarn outlet position side of the heating device to the yarn inlet position, the plurality of yarns can move while keeping a distance from each other. Accordingly, when a plurality of yarns are simultaneously moved by one shifter to the yarn inlet position of the heating device, contact between the yarns and the yarns can be prevented.

It is the schematic of the false twisting machine during yarn winding. It is a perspective view of the shifter which is moving the guide rail. It is a schematic diagram of a false twisting machine when two yarns are respectively hung on a first feed roller, a second feed roller, and two false twisting devices. It is the schematic of the false twist processing machine which hung two thread | yarns on the shifter in the threading preparation position. It is the schematic of the false twisting machine which is moving the shifter from the yarn preparation preparation position to the yarn entrance position of the first heating device after two yarns are hung on the shifter. It is the schematic of the shifter currently moving the curved part of a guide rail. It is the schematic of a false twist processing machine when a shifter is moved to a threading completion position. It is the schematic which shows the modification of a yarn hooking apparatus.

  Embodiments of the present invention will be described below with reference to the drawings.

  In the present embodiment, for example, the present invention is applied to a false twisting machine 1 that manufactures a processed yarn rich in elasticity by applying a twist to a thermoplastic synthetic fiber such as polyester or polyamide to give a crimp. Is.

  As shown in FIG. 1, the false twisting machine 1 includes a main machine base 2, a yarn feeding creel 4, two false twisting devices 6a and 6b, a winding device 7, a yarn hooking device 30, and the like. Yes. The main machine base 2 is arranged extending in the direction perpendicular to the plane of FIG. The yarn feeding creel 4 is for holding two yarn feeding packages 5. The yarn feeding creel 4 is disposed to face the main machine base 2 with the work space 3 interposed therebetween. The two false twisting devices 6 a and 6 b are for false twisting the two yarns Ya and Yb supplied from the yarn feeding creel 4. The two false twisting devices 6 a and 6 b are arranged above the main machine base 2. The winding device 7 is for winding the yarns Ya and Yb false-twisted by the two false twisting devices 6a and 6b. The winding device 7 is provided on the main machine base 2. The yarn hooking device 30 is for hooking two yarns Ya and Yb on the first heating device 11 described later. The yarn hooking device 30 is provided along the yarn traveling paths 11 a and 11 b of the first heating device 11 immediately below the first heating device 11.

  The false twisting machine 1 constitutes one span by a collection of the above-described devices and the like, and such a span is arranged symmetrically about the end of the main machine base 2 away from the work space 3 as an axis. In addition, a plurality of them are arranged side by side in the direction orthogonal to the plane of the drawing (arrangement direction) in FIG. And the work space 3 is opened along those arrangement | positioning directions. The operator performs work in this work space 3.

  The yarn feeding creel 4 (yarn feeding portion of the present invention) holds the yarn feeding package 5 and feeds the yarns Ya and Yb of the yarn feeding package 5 respectively.

  The two false twisting devices 6 a and 6 b are for false twisting the yarns Ya and Yb supplied from the yarn feeding creel 4. As the two false twisting devices 6a and 6b, for example, as shown in JP-A-8-260271, a disk-type device or a belt-type nip twister as shown in JP-A 2010-65354 is used. Can be applied. The two false twisting devices 6a and 6b are arranged in a state shifted in the direction perpendicular to the plane of FIG. More specifically, of the two false twisting devices 6a and 6b, the false twisting device 6a arranged on the right side of the drawing is arranged above the false twisting device 6b arranged on the left side of the drawing, and the back of the drawing. Arranged on the side.

  The winding device 7 (winding portion of the present invention) is for winding two yarns Ya and Yb false-twisted by two false twisting devices 6a and 6b to form a package.

  On the yarn path from the yarn feeding creel 4 to the two false twisting devices 6a and 6b, the first feed roller 20, the first heating device 11, and the two cooling devices 12a and 12b are sequentially arranged from the upstream side in the yarn traveling direction. And are arranged. Further, on the yarn path from the two false twisting devices 6a, 6b to the winding device 7, in order from the upstream side in the yarn traveling direction, the second feed roller 21, the interlace nozzle 14, the second heating device 15, A third feed roller 22 and an oiling roller 40 are disposed.

  The first feed roller 20 is arranged above the working space 3 on the yarn feeding creel 4 side. The first heating device 11 is disposed above the work space 3 and further above the first feed roller 20. The two cooling devices 12 a and 12 b are disposed closer to the main machine base 2 than the first heating device 11 above the work space 3. The first heating device 11 and the two cooling devices 12a and 12b are arranged in a substantially straight line above the work space 3 toward the upper right side of the drawing.

  The first heating device 11 is formed with yarn traveling paths 11a and 11b that extend along the longitudinal direction and open downward. Two yarns Ya and Yb supplied from the yarn feeding creel 4 are inserted into the yarn traveling paths 11a and 11b. Thus, the two yarns Ya and Yb travel in the first heating device 11 and heat generated from a heating plate (not shown) in the first heating device 11 while traveling on the yarn traveling paths 11a and 11b. Is to be granted. The two yarn traveling paths 11a and 11b are partitioned, and the two yarns Ya and Yb respectively traveling on the two yarn traveling paths 11a and 11b do not contact each other in the first heating device 11. . The two yarns Ya and Yb that have passed through the first heating device 11 are cooled and thermally fixed by passing through the two cooling devices 12a and 12b, respectively.

  The second feed roller 21 is disposed above the main machine base 2. The interlace nozzle 14 is disposed above the main machine base 2 and below the second feed roller 21. The second heating device 15 is provided on the main machine base 2 and is disposed on the back side of the winding device 7 when viewed from the work space 3. Thus, each device is laid out, and the yarn path from the yarn feeding creel 4 to the winding device 7 is formed so as to surround the work space 3.

  The first to third feed rollers 20 to 22 are rollers for feeding the yarns Ya and Yb from the upstream side to the downstream side in the yarn traveling direction. Each yarn feed speed is set so that the yarn feed speed of the second feed roller 21 is faster than the yarn feed speed of the first feed roller 20. For this reason, the yarns Ya and Yb are stretched between the first feed roller 20 and the second feed roller 21. Each yarn feed speed is set so that the yarn feed speed of the third feed roller 22 is slower than the yarn feed speed of the second feed roller 21. For this reason, the yarns Ya and Yb are relaxed between the second feed roller 21 and the third feed roller 22.

  The two yarns Ya and Yb are applied with oil by being wound around the oiling roller 40.

  Further, on the right side of the main machine base 2, a winding device 7 for winding the yarn Yc obtained by combining the two yarns Ya and Yb is provided as will be described later. The winding device 7 includes a cradle 9, a bobbin holder (not shown), a traverse device (not shown), and the like.

  The cradle 9 is supported by the winding device 7 in a swingable manner. A bobbin holder is attached to the cradle 9. The bobbin holder holds the cylindrical bobbin 8 so as to be sandwiched from both outsides in the longitudinal direction.

  The traverse device includes a traverse guide (not shown) that reciprocates in the axial direction of the bobbin 8. The traverse guide is driven by a traverse drive motor (not shown) and traverses the yarn Yc sent by the third feed roller 22 in the direction orthogonal to the paper surface. The traversed yarn Yc is wound around a bobbin 8 that rotates integrally with the bobbin holder to form a package.

  Further, immediately below the first heating device 11, as shown in FIG. 1, the two yarns Ya and Yb supplied from the yarn feeding creel 4 are fed to the yarn traveling paths 11 a and 11 b of the first heating device 11. A threading device 30 for threading is provided. The yarn hooking device 30 includes a guide rail 13 and a shifter 10.

  The guide rail 13 is provided along the yarn traveling paths 11 a and 11 b of the first heating device 11 immediately below the first heating device 11. A shifter 10 is attached to the guide rail 13. The guide rail 13 is provided with an air cylinder (not shown). By driving the air cylinder, the shifter 10 is movable in the longitudinal direction of the guide rail 13. As shown in FIG. 3, a guide plate 41 having a curved portion 41 a is attached to the upper end portion of the guide rail 13.

  As shown in FIG. 2, the shifter 10 is attached to the guide rail 13 via a connecting member 18 provided at an end portion in the longitudinal direction (left end portion on the paper surface). The shifter 10 can move with respect to the longitudinal direction of the guide rail 13 by an air cylinder provided in the guide rail 13. More specifically, the shifter 10 is on the lower end side (yarn exit side) of the guide rail 13, at the yarn hooking preparation position when the operator applies the yarns Ya and Yb, and on the upper end portion of the guide rail 13. The two yarns Ya and Yb are movable between a yarn hooking completion position, which is a position where the yarn hooking to the first heating device 11 is completed.

  Further, the shifter 10 includes a guide support member 23 attached to the connecting member 18 so as to be rotatable about the rotation shaft 17, and a twisting guide 16 attached to the distal end portion of the guide support member 23. The twisting guide 16 is not limited to a specific one, but for example, a structure as shown in JP 2008-544100 A or JP 2012-102452 A can be used. The twist guide 16 has two twist guide portions 16a and 16b on which two yarns Ya and Yb are hung one by one. The two twist guide portions 16a and 16b are rotatable rollers. The two twist guide portions 16 a and 16 b are attached so that their axial directions are orthogonal to the longitudinal direction of the guide rail 13. The two yarns Ya and Yb are hung one by one on the two twisting guide portions 16a and 16b, so that twist propagation on the upstream side in the yarn traveling direction from the twisting guide 16 is suppressed. A guide roller 19 is provided in the vicinity of the twisting guide 16. When the guide roller 19 reaches the upper end portion of the guide rail 13, a guide groove 19 a provided on the outer peripheral portion thereof engages with the curved portion 41 a of the guide plate 41. Thereby, as shown in FIG. 6, the shifter 10 is movable along the curved portion 41 a around the rotation shaft 17. Further, as will be described later, when the shifter 10 is moved from the yarn hooking preparation position to the yarn hooking completion position, a regulation guide 24 for preventing the two yarns Ya and Yb from coming into contact with each other. Is attached.

  By driving an air cylinder (not shown) provided in the guide rail 13, the shifter 10 attached via the connecting member 18 is guided to the guide rail 13, and the yarn travel path of the first heating device 11. It can move along 11a and 11b.

  Next, the operation of the false twisting machine 1 until the two yarns Ya and Yb fed from the yarn feeding creel 4 are wound up by the winding device 7 will be described.

  The two yarns Ya and Yb drawn between the first feed roller 20 and the second feed roller 21 are respectively twisted by the two false twisting devices 6a and 6b. The twist formed by the two false twisting devices 6 a and 6 b is propagated to the twisting guide 16. Further, the two yarns Ya and Yb twisted while being stretched are heated by the first heating device 11 and then cooled and heat-set by the two cooling devices 12a and 12b. The two yarns Ya and Yb that have been twisted and heat-fixed are untwisted before reaching the second feed roller 21 after passing through the two false twisting devices 6a and 6b, respectively. The two yarns Ya and Yb thus stretched false twisted are heat-treated by the second heating device 15 while being relaxed between the second feed roller 21 and the third feed roller 22. Further, the two yarns Ya and Yb are wound around the bobbin 8 by the winding device 7 to form a package.

  By the way, as will be described later, at the time of threading, firstly, the first feed roller 20, the second feed roller 21, and the two false twisting devices 6a and 6b are threaded with the yarns Ya and Yb. Next, the yarns Ya and Yb traveling from the first feed roller 20 to the false twisting devices 6 a and 6 b are moved upward using the shifter 10 and are threaded on the first heating device 11. Here, when two yarns Ya and Yb are run without driving the two false twisting devices 6a and 6b, the two false twisting devices 6a and 6b are damaged by friction with the yarns Ya and Yb. End up. Therefore, normally, the two false twisting devices 6a and 6b are driven, and the two yarns Ya and Yb supplied from the yarn feeding creel 4 are fed to the first heating device 11 in a state where false twisting is performed. It is multiplied.

  Here, when the shifter 10 is moved to the upper end (near the yarn inlet) of the first heating device 11, the distance between the two false twisting devices 6 a and 6 b and the shifter 10 is such that the shifter 10 is at the upper end of the first heating device 11. It gets bigger gradually as you get closer to the club. Along with this, the angle formed between the yarn Ya and the yarn Yb hung on the shifter 10 becomes smaller. Therefore, especially in the vicinity of the shifter 10, the two yarns Ya and Yb are close to each other. In addition, as described above, the two false twisting apparatuses 6a and 6b are driven when the first heating apparatus 11 is threaded. Accordingly, the two yarns Ya and Yb rotate so as to draw a circle between the two false twisting devices 6a and 6b and the shifter 10 as viewed from the yarn traveling direction. As described above, since the lengths of the yarns Ya and Yb between the false twisting devices 6a and 6b and the shifter 10 become longer as the shifter 10 approaches the yarn hooking completion position upstream of the heating device 11, the two yarns The magnitude of turning Ya and Yb also increases. When the diameter of the circle drawn by the swirling yarn becomes larger than the distance between the static yarns, the two yarns Ya and Yb come into contact with each other. That is, the two yarns Ya and Yb are likely to contact particularly in the vicinity of the shifter 10 where the distance between the yarn Ya and the yarn Yb is small. Thereby, there is a possibility that problems such as thread breakage may occur in the two yarns Ya and Yb. In order to prevent such a problem, in the present embodiment, as described above, when the shifter 10 is moved from the yarn hooking preparation position to the yarn hooking completion position upstream of the first heating device 11, the twist guide 16 is provided. A regulation guide 24 (yarn separating means of the present invention) for preventing contact between the two yarns Ya and Yb is attached.

  As shown in FIG. 2, the regulation guide 24 is attached in the vicinity of the twisting guide 16 of the shifter 10. More specifically, the regulation guide 24 is attached immediately above so as to straddle the twisting guide 16 in its axial direction. The regulation guide 24 is a wire having a substantially L shape. The regulation guide 24 has a first regulation part 24a formed in a U shape at one end thereof. When viewed from the length direction of the guide support member 23, the first restricting portion 24 a and the twisting guide portion 16 a have the same position in the axial direction of the twisting guide 16. Further, when viewed from the length direction of the guide support member 23, the second restricting portion 24b formed in the restricting guide 24 and parallel to the horizontal direction and the twisting guide portion 16b are provided in the axial direction of the twisting guide 16. The positions are equal. However, as understood from FIG. 2, the first restricting portion 24 a is located farther from the twisting guide 16 than the second restricting portion 24 b. Therefore, the linear distance d1 between the first restricting portion 24a and the second restricting portion 24b is larger than the distance d2 between the yarn Ya hung on the twist guide portion 16a and the yarn Yb hung on the twist guide portion 16b.

  Next, the yarn hooking to each device of the false twisting machine 1 before winding onto the bobbin 8 will be described. In addition, when threading the first feed roller 20, the second feed roller 21, the two false twisting devices 6 a and 6 b, the regulating guide 24, and the twisting guide 16, the operator works in the work space 3 for threading. Take a thread on a carriage (not shown). 3 to 7, the yarns Ya and Yb that are not actually seen through the respective devices are also shown by solid lines so that the yarn paths of the two yarns Ya and Yb can be easily understood.

  First, as shown in FIG. 3, the yarns Ya and Yb supplied from the yarn supply creel 4 are sucked by a suction pipe 31 installed at the upper part of the main machine base 2. At this time, the yarns Ya and Yb sucked by the suction pipe 31 are in a state of crossing the work space 3 linearly. The yarns Ya and Yb are respectively hung in the order of the first feed roller 20, the second feed roller 21, and the two false twisting devices 6a and 6b. At this time, the first feed roller 20, the second feed roller 21, and the two false twisting devices 6a and 6b are always rotating. The open / close roller provided in the first feed roller 20 is open so as not to grip the yarns Ya and Yb, and the open / close roller provided in the second feed roller 21 grips the yarns Ya and Yb. Closed in state.

  Next, as shown in FIG. 4, the shifter 10 is moved to the yarn hooking preparation position located at the lower end of the guide rail 13, and the false twisting device 6b arranged on the left side of the two yarns Ya and Yb. The yarn Yb that is hung on the second restriction portion 24b of the restriction guide 24 and the twisting guide portion 16b of the twisting guide 16 are sequentially hung. Next, of the two yarns Ya and Yb, the yarn Ya hung on the false twisting device 6a disposed on the back side of the paper surface is transferred to the first restricting portion 24a and the twisting guide portion 16a of the restricting guide 24. , In order.

  Thereafter, the two false twisting devices 6a and 6b are in a twisted state. As a result, the two yarns Ya and Yb are swung in a circle between the two false twisting devices 6a and 6b and the twisting guide 16 on the shifter 10 when viewed from the yarn traveling direction. The twisting directions of the two false twisting devices 6a and 6b at this time are different directions (so-called SZ twisting) between the two false twisting devices 6a and 6b, or the same direction (so-called SS twisting or ZZ twisting). ).

  Then, as shown in FIG. 5, an air cylinder (not shown) provided in the guide rail 13 is driven to move the shifter 10 from the yarn hooking preparation position to the yarn hooking completion position at the upper end of the guide rail 13. . The yarn hooking completion position is a position where the yarn hooking of the two yarns Ya and Yb to the first heating device 11 is completed and a normal operation is possible. When the shifter 10 is moved along the guide rail 13 to the yarn hooking completion position upstream of the first heating device 11, the two false twisting devices 6 a as the shifter 10 approaches the yarn hooking completion position upstream of the first heating device 11. , 6b and the shifter 10 increase in distance. Along with this, the angle formed between the yarn Ya and the yarn Yb hung on the shifter 10 becomes smaller. Therefore, especially in the vicinity of the shifter 10, the two yarns Ya and Yb are close to each other. In addition, as described above, the two false twisting apparatuses 6a and 6b are driven when the first heating apparatus 11 is threaded. Accordingly, the two yarns Ya and Yb are swung in a circle between the two false twisting devices 6a and 6b and the shifter 10 as viewed from the yarn traveling direction. Therefore, the closest approach distance between the yarn Ya and the yarn Yb becomes closer.

  In the present embodiment, among the two yarns Ya and Yb supplied from the yarn feeding creel 4, the yarn Yb hung on the false twisting device 6b disposed on the front side of the sheet of FIG. 1 is regulated as shown in FIG. The second restricting portion 24b of the guide 24 and the twisting guide portion 16b of the twisting guide 16 are hung in order. Further, of the two yarns Ya and Yb, the yarn Ya hung on the false twisting device 6a disposed on the back side of the sheet of FIG. 1 is replaced with the first restriction portion 24a of the restriction guide 24 shown in FIG. It hangs on the twist guide part 16a in order. As shown in FIG. 2, the distance d1 between the first restricting portion 24a and the second restricting portion 24b is based on the distance d2 between the yarn Ya hung on the twist guide portion 16a and the yarn Yb hung on the twist guide portion 16b. Therefore, in the vicinity of the twisting guide 16 where the distance between the yarn Ya and the yarn Yb is the smallest, the distance d1 between the yarn Ya and the yarn Yb is originally set to the yarn Ya and the twisting guide that are hung on the twisting guide portion 16a. The distance d2 from the yarn Yb hung on the portion 16b can be made larger. Thereby, when moving to the yarn entrance position of the first heating device 11 while falsely twisting the two yarns Ya and Yb, the contact of the two yarns Ya and Yb can be prevented.

  Further, the two yarns Ya and Yb are separated by the regulating guide 24 attached to the shifter 10 in the vicinity of the fastening guide 16 where the distance between the two yarns Ya and Yb is the smallest, thereby providing two yarns. Ya and Yb are also separated on the downstream side in the yarn traveling direction in which the distance between the two yarns Ya and Yb is larger than in the vicinity of the twist guide 16. Accordingly, it is possible to reliably prevent the yarn Ya and the yarn Yb from contacting each other.

  Further, the two yarns Ya and Yb are respectively hung on the twist guide 16 on the upstream side of the first heating device 11. Therefore, since the two yarns Ya and Yb are untwisted upstream from the twisting guide 16, the two yarns Ya and Yb are not swiveled upstream from the twisting guide 16 in the yarn traveling direction. Thereby, compared with the case where the two yarns Ya and Yb respectively turn on both the upstream side and the downstream side in the yarn traveling direction from the yarn inlet position of the first heating device 11, the yarn traveling direction from the twist guide 16 is compared to the case where the two yarns are rotated. On the upstream side and the downstream side in the yarn traveling direction, the closest approach distance between the two yarns Ya and Yb, the yarns Ya, or the yarns Yb increases. Accordingly, it is possible to prevent the two yarns Ya and Yb from coming into contact with each other on the upstream side in the yarn traveling direction and the downstream side in the yarn traveling direction with respect to the twisting guide 16 when the yarn is applied to the first heating device 11. Further, it is possible to prevent the yarn on the upstream side in the yarn traveling direction from contacting the yarn on the downstream side in the yarn traveling direction.

  In addition, when the twist direction is the same direction (so-called SS twist or ZZ twist), the two yarns Ya and Yb are more likely to be entangled compared to the case where the twist directions are different (so-called SZ twist). . Therefore, the present invention is more effective when the twist directions of the two yarns Ya and Yb are the same.

  6A, when the shifter 10 reaches the curved portion 41a of the guide plate 41 provided at the upper end of the guide rail 13, the guide groove 19a of the guide roller 19 extends along the curved portion 41a. And rotating around the rotation shaft 17. Thereby, the shifter 10 moves along the curved portion 41a of the guide plate 41 as shown in FIG. Further, as shown in FIG. 6C, at the yarn inlet position of the first heating device 11, the longitudinal direction of the shifter 10 reaches a yarn hooking completion position substantially orthogonal to the longitudinal direction of the first heating device 11. It is like that. Further, in the vicinity of the rotation shaft 17 of the shifter 10, the two yarns Ya and Yb are placed so that the yarns Ya and Yb on the upstream side of the twist guide 16 do not pass through the first heating device 11 at the yarn hooking completion position. A yarn bending guide 42 for bending is attached. As shown in FIG. 7, the two yarns Ya and Yb are moved by the shifter 10 to the yarn hooking completion position, and as shown in FIG. 7, the first restriction portion 24 a and the second restriction portion 24 b formed on the restriction guide 24. And automatically enter the first heating device 11 and the two cooling devices 12a and 12b. Then, it seals by putting a lid (not shown) on the lower side of the first heating device 11. As described above, since the two yarn traveling paths 11a and 11b in the first heating device 11 are partitioned, the two yarns Ya and Yb are inserted into the first heating device 11. Later, they do not contact each other downstream of the twist guide 16 in the yarn traveling direction. Therefore, there is no problem even if the two yarns Ya and Yb are separated from the regulation guide 24.

  Next, the two yarns Ya and Yb are gripped by closing the openable roller provided on the first feed roller 20. Thus, the drawing false twisting process of the two yarns Ya and Yb is completed. After that, a suction gun (not shown) is attached near the lower end of the second heating device 15, and the two yarns Ya and Yb sucked by the suction pipe 31 are cut near the upstream end guide 33 of the second heating device 15. . Then, the two yarns Ya and Yb connected to the yarn feeding creel 4 pass through the second heating device 15 and are sucked by a suction gun (not shown). Next, the compressed air flows into the interlace nozzle 14. As a result, the yarns Ya and Yb are interlaced with each other to form a single yarn Yc. Thereafter, the yarn Yc is hung on the third feed roller 22 and the oiling roller 40, and then the yarn Yc is hung on the bobbin 8 installed in the winding device 7, thereby completing the yarn hooking.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above-described embodiments and examples, and various design changes can be made as long as they are described in the claims. is there.

  In this embodiment, the two yarns Ya and Yb are respectively hung on the first restriction portion 24a and the second restriction portion 24b of the restriction guide 24. However, the two yarns Ya and Yb are, for example, two pieces One of the yarns Ya and Yb may not be hung on the second restricting portion 24b, and only the other may be hung on the first restricting portion 24a. That is, the two yarns Ya and Yb may not be hung on the regulation guide 24. At least one of the two yarns Ya and Yb is hung on the regulation guide 24, so that the distance between the two yarns Ya and Yb when originally hung on the twisting guide 16, that is, the twisting guide portion. It does not matter as long as it is hung so that the distance between them becomes larger than the distance between 16a and the twist guide part 16b.

  In the present embodiment, the restriction guide 24 is described as having a substantially L shape having the first restriction portion 24a and the second restriction portion 24b. However, the shape of the restriction guide 24 is not limited to this. The shape of the regulation guide 24 is such that the distance between the two yarns Ya and Yb when hung on the twist guide 16, that is, the distance between the twist guide portion 16 a and the twist guide portion 16 b is larger. Any shape can be used as long as it can be hung.

  Further, although the regulation guide 24 is described as being a wire, it may not be a wire. The regulation guide 24 is set so that the distance between the two yarns Ya and Yb when hung on the twist guide 16, that is, the distance between the twist guide portion 16 a and the twist guide portion 16 b is larger. It can be anything as long as it is multiplied.

  Moreover, in this embodiment, although the regulation guide 24 is attached to the twisting guide 16, the regulation guide is not limited to the form mentioned above. For example, as shown in FIG. 8, the regulation guide may be provided at the lower end of the first heating device 11. The distance between the yarns Ya and Yb hung on the regulation guide 25 in FIG. In this case, when the two yarns Ya and Yb are threaded on the first heating device 11, first, as shown in FIG. 8A, one of the two yarns Ya and Yb is threaded. After being hung on the regulation guide 25, it is hung on the twisting guide portion 16 a of the twisting guide 16, and the other yarn Yb is hung on the twisting guide portion 16 b of the twisting guide 16. Thereafter, as shown in FIGS. 8B and 8C, the air cylinder (not shown) is driven to move the shifter 10 from the yarn hooking preparation position to the yarn hooking completion position. At this time, since the yarn Ya is hung on the regulation guide 25, the two yarns Ya and Yb are separated so that the interval between the yarns is increased even in the process of movement of the shifter 10. After the movement of the shifter 10 is completed, the operator removes the yarn Ya hung on the regulation guide 25, so that the yarn Ya is introduced into the regular yarn path of the first heating device 11, as shown in FIG. The threading is complete. As described above, the yarn hooking to the first heating device 11 can be completed without the two yarns Ya and Yb coming into contact with each other. Although FIG. 8 illustrates the case where the yarn Ya is hung on the restriction guide 25, the yarn hung on the restriction guide 25 may be either the yarn Ya or Yb.

  Further, in the present embodiment, the false twisting machine configured to perform the yarn hooking by moving the shifter 10 on which the two yarns Ya and Yb are hung to the upstream side of the first heating device 11 in the yarn running direction. Although the regulation guide 24 is applied to 1, the false twisting machine configured to perform the yarn hooking by moving the shifter on which the two yarns Ya and Yb are hung to the downstream side in the yarn running direction of the first heating device. On the other hand, a restriction guide as described above may be applied. In the case of the false twisting machine having this configuration, the shifter is disposed on the downstream side of the first heating device. Therefore, when the shifter is provided with a twisting guide, the twister guides the twisting. The two yarns Ya and Yb will be inserted into the first heating device without being twisted. Therefore, a guide that is not a twist guide is applied as the guide that holds the two yarns Ya and Yb attached to the shifter.

  In the present embodiment, the shifter 10 is described as being moved by an air cylinder (not shown) provided on the guide rail 13, but the shifter 10 may be moved manually by an operator.

  Further, the threading procedure until the first heating device 11 completes the threading is not limited to this.

  In the present embodiment, the case where the two yarns Ya and Yb are combined by forming the entangled portion by the interlace nozzle 14 to form one package has been described. For example, the two yarns Ya and Yb may each independently form a package. At this time, two packages may be formed in one cradle.

  In the present embodiment, the case where two yarns Ya and Yb are processed has been described, but the number of yarns may be three or more. For example, the guide roller attached to the shifter is provided with three or more guide grooves each capable of winding the yarn, and a regulation guide for separating the yarn is provided so that a distance is provided between the yarns. It doesn't matter.

1 false twisting machine 4 yarn feeding creel 6a false twisting device 6b false twisting device 10 shifter 11 first heating device 12a cooling device 12b cooling device 13 guide rail 16 twisting guide (guide guide)
16a Twist guide 16b Twist guide 20 First feed roller 21 Second feed roller 24 Restriction guide 24a First restriction portion 24b Second restriction portion 30 Yarn threading device Ya Yarn Yb Yarn

Claims (6)

A yarn supplying section for supplying a plurality of yarns;
A winding unit for winding the plurality of yarns supplied from the yarn supplying unit;
A heating device disposed on a yarn path between the yarn feeding unit and the winding unit;
A plurality of false twisting devices disposed on the yarn path between the heating device and the winding unit;
A shifter that is movable from the yarn outlet position side of the heating device to the vicinity of the yarn inlet position, and holds the plurality of yarns;
A false twisting machine comprising yarn separating means for widening the interval between the plurality of yarns held by the shifter.   The false twisting machine according to claim 1, wherein the yarn separating means is provided in the shifter. The shifter has a guide for guiding the plurality of yarns to the heating device,
The yarn separating means is a regulation guide on which at least one yarn is hung so as to separate a distance between adjacent yarns compared to a position where the plurality of yarns are hung on the guide guide,
The false twisting machine according to claim 1 or 2, wherein the regulation guide is provided in the vicinity of the guide guide.   The guide guide is a twisting guide that stops the twist propagating from the false twisting device to the upstream side in the yarn traveling direction when the plurality of yarns are moved to the yarn inlet of the heating device by the shifter. The false twisting machine according to claim 3. The heating device is arranged such that its longitudinal direction is inclined with respect to the horizontal direction,
The entrance positions of the plurality of yarns are arranged on the upper end side in the length direction,
The shifter has a guide for guiding the plurality of yarns to the heating device,
The yarn separating means is a regulation guide on which at least one yarn is hung so as to separate a distance between adjacent yarns compared to a position where the plurality of yarns are hung on the guide guide,
The false twisting machine according to claim 1, wherein the regulation guide is provided at a lower end portion of the heating device. A yarn supplying section for supplying a plurality of yarns;
A winding unit for winding the plurality of yarns supplied from the yarn supplying unit;
A heating device disposed on a yarn path between the yarn feeding unit and the winding unit;
Two false twisting devices disposed on the yarn path between the heating device and the winding unit;
A shifter that is movable from a yarn outlet position side of the heating device to a yarn inlet position and holds the plurality of yarns;
A false twisting method of a false twisting machine comprising a yarn separating means for widening the interval between the plurality of yarns held by the shifter,
The temporary separating device is characterized in that when the plurality of yarns are respectively hung on the two false twisting devices and the shifter is moved to the yarn inlet position of the heating device, the yarn separating means widens the interval between the plurality of yarns. A threading method for a twisting machine.

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