EP2554506B1 - Garnwickler - Google Patents

Garnwickler Download PDF

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Publication number
EP2554506B1
EP2554506B1 EP12178825.1A EP12178825A EP2554506B1 EP 2554506 B1 EP2554506 B1 EP 2554506B1 EP 12178825 A EP12178825 A EP 12178825A EP 2554506 B1 EP2554506 B1 EP 2554506B1
Authority
EP
European Patent Office
Prior art keywords
take
yarn
tube
tubes
yarns
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP12178825.1A
Other languages
English (en)
French (fr)
Other versions
EP2554506A2 (de
EP2554506A3 (de
Inventor
Yoshimitsu Demizu
Masato Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TMT Machinery Inc
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
Application filed by TMT Machinery Inc filed Critical TMT Machinery Inc
Publication of EP2554506A2 publication Critical patent/EP2554506A2/de
Publication of EP2554506A3 publication Critical patent/EP2554506A3/de
Application granted granted Critical
Publication of EP2554506B1 publication Critical patent/EP2554506B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/10—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers
    • B65H54/20—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers forming multiple packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H65/00—Securing material to cores or formers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/185—End caps, plugs or adapters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/28—Arrangements for positively securing ends of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/53—Adaptations of cores or reels for special purposes
    • B65H2701/534—Stackable or interlockable reels or parts of reels

Definitions

  • the present invention relates to a yarn winder for winding a yarn onto a take up tube.
  • a yarn winder recited in Patent Literature 1 Japanese Unexamined Patent Publication No. 2009-74219 is arranged so that a single take up tube is rotatably supported by a cradle and is arranged to be switchable between (i) the formation of a single package by doubling supplied two yarns and winding the doubled yarns onto the take up tube and (ii) the formation of two packages by winding supplied two yarns onto different parts of the take up tube, respectively.
  • the take up tube is cut after the winding of the yarns, with the result that the two packages are separated from each other.
  • DE 10 2008 038 343 A1 discloses a yarn winding machine having a cradle holding a winding body in a sandwich-like manner.
  • the winding body may either comprise a single take up tube or two take up tubes.
  • An object of the present invention is to provide a yarn winder which is able to easily produce packages when packages are formed by winding a plurality of yarns onto take up tubes rotatably supported by a single cradle.
  • a yarn winder includes the features of claim 1.
  • a plurality of packages are formed by winding yarns onto respective take up tubes constituting a winding body rotatably supported by a cradle, the packages are easily separated from one another by separating the connected take up tubes from one another after the formation of the packages.
  • the yarn winder further includes a doubling apparatus that doubles the supplied yarns, wherein, the cradle is able to rotatably support the winding body and a single take up tube which is substantially identical with the winding body in length in the axial directions, and it is switchable between (i) formation of a plurality of packages which is carried out such that the winding body is rotatably supported by the cradle and the supplied yarns are wound onto the respective take up tubes and (ii) formation of a single package which is carried out such that the single take up tube is rotatably supported by the cradle, the supplied yarns are doubled by the doubling apparatus, and a yarn formed by doubling the yarns is wound onto the single take up tube.
  • a doubling apparatus that doubles the supplied yarns
  • connection member which detachably connects the take up tubes with one another, is arranged such that, the connection member is structured to be a pipe extending in the axial directions of the take up tubes and has, at around respective end portions in the axial directions, insertion portions inserted into the take up tubes, and two neighboring take up tubes among the take up tubes are detachably connected with each other as the two insertion portions are inserted into the respective take up tubes.
  • the take up tubes are connected with one another by neighboring two take up tubes are connected with each other. Furthermore, because neighboring two take up tubes are connected with each other, the take up tubes are easily separated from one another even if the number of the connected take up tubes is large.
  • connection member is arranged so that, at a part between the two insertion portions, a yarn end holding portion is provided to support a yarn end of a yarn which is to be wound onto at least one of the two connected take up tubes.
  • connection member is arranged so that the yarn end holding portion is formed by winding an annular component made of an elastic member around a part between the two insertion portions, and supports the yarn end by sandwiching the yarn between the annular component and an end of the take up tube.
  • the yarn end holding portion is easily formed by providing an annular component made of an elastic material around the part between two insertion portions.
  • connection member is arranged so that, the yarn end holding portion is formed by forming a groove at a part between the two insertion portions to extend in circumferential directions not to completely surround the connection member, the groove guiding the yarn to the inner circumference of the take up tube, and the yarn end holding portion supports the yarn end by sandwiching the yarn end between a wall of the groove and the inner circumference of the take up tube.
  • the yarn end holding portion is easily formed by forming, between two insertion portions, a groove guiding the yarn to the inner circumference of the take up tube.
  • connection member is arranged so that the diameter of the insertion portion is changeable at a part contacting the take up tube.
  • the take up tube after the winding of a yarn thereon may be smaller in diameter than the take up tube before the winding, on account of the tension of the yarn.
  • the diameter of the insertion portion is changeable at the part contacting the take up tube, the take up tube on which the yarn winding is completed is easily pulled off from the connection member even in the case above.
  • the internal diameters of the take up tubes are typically not uniform, because in the present invention the diameter of the insertion portion is changeable at the part contacting the take up tube, the insertion portion is tightly fit into each take up tube even if the internal diameters of the take up tubes are not uniform.
  • connection member is arranged so that the diameter of the part of the insertion portion contacting the take up tube is arranged to be changeable in such a way that a plurality of slits are formed through the insertion portion to be aligned in circumferential directions, and each of the slits extends in the axial directions and is open at an end of the insertion portion.
  • the insertion portion is arranged to be changeable in diameter at the part contacting the take up tube because a plurality of slits are formed through the insertion portion.
  • a doubling draw texturing machine 1000 of the present embodiment includes false-twisting units 100 aligned in the crosswise directions of FIG. 2.
  • FIG. 2 shows two units among the false-twisting units 100.
  • each false-twisting unit 100 includes a yarn supplying portion 1, a false twisting section 2, a doubling section 3, a post processing section 4, and a winding section 5.
  • the yarn supplying portion 1 is a part which is upstream of a later-described first feed roller 6, whereas the false twisting section 2 is a part between the first feed roller 6 and a later-described upstream-side second feed roller 7.
  • the doubling section 3 indicates a part between the upstream-side second feed roller 7 and a later-described downstream-side second feed roller 8
  • the post processing section 4 indicates a part between the downstream-side second feed roller 8 and a layer-described third feed roller 9.
  • each of the first feed roller 6, the upstream-side second feed roller 7, the downstream-side second feed roller 8, and the third feed roller 9 may be a pair of rollers corresponding to later-described two yarns Ya and Yb, respectively.
  • the yarn supplying portion 1 includes two yarn supply packages 11a and 11b that are supported by a creel stand 10 and send out two yarns Ya and Yb.
  • the yarns Ya and Yb sent out from the yarn supply packages 11a and 11b are supplied to the false twisting section 2 via pipes 12a and 12b and the first feed roller 6.
  • the false twisting section 2 false-twists a pair of yarns Ya and Yb sent out from the yarn supplying portion 1.
  • the false twisting section 2 includes, from the upstream to the downstream in the running direction of the yarns Ya and Yb, a primary heater 13 for heating the yarns Ya and Yb, coolers 14a and 14b for cooling the yarns Ya and Yb, and false twisting devices 15a and 15b for false-twisting the yarns Ya and Yb.
  • the primary heater may be a pair of primary heaters for yarns Ya and Yb, respectively.
  • the doubling section 3 forms interlaced portions in the yarns false-twisted by the false twisting section 2 and includes interlace nozzles 16a and 16b (doubling apparatus).
  • interlace nozzles 16a and 16b doubling apparatus.
  • the interlace nozzle 16b forms interlaced portions in the yarns Ya and Yb, and hence the yarns Ya and Yb are doubled.
  • the interlace nozzle 16a forms interlaced portions in the yarn Ya whereas the interlace nozzle 16b forms interlaced portions in the yarn Yb.
  • the post processing section 4 is provided for subjecting the yarns Ya and Yb to thermal treatment and includes a secondary heaters 17.
  • the secondary heater 17 may be a pair of heaters provided for the two yarns Ya and Yb, respectively.
  • the winding section 5 is provided for winding the two yarns Ya and Yb false-twisted by the false twisting section 2 onto a take up tube, and includes a winding device 18 (yarn winder).
  • the winding device 18 includes components such as a cradle 20, a traverse unit 21, and a winding drum 23.
  • the winding devices 18 of the respective units 100 are arranged to substantially vertically overlap one another. Alternatively, the winding devices 18 of the respective units 100 may be provided in a staggered manner in vertical directions.
  • the cradle 20 includes a pair of opposing bobbin holders 22a and 22b, and rotatably supports a single long substantially-cylindrical take up tube 19A via the bobbin holders 22a and 22b, as shown in FIGs. 3 (a) and 4(a) .
  • the cradle 20 rotatably supports a winding body 40 having two take up tubes 19B.
  • the bobbin holders 22a and 22b are rotatably supported, and each includes an insertion portion 31 and a biasing portion 32.
  • the insertion portion 31 is substantially cylindrical and has a diameter substantially identical with the inner diameter of each of the take up tubes 19A and 19B, and is inserted into the take up tubes 19A and 19B.
  • the biasing portion 32 is a disc-shaped part placed axially outside of the insertion portion 31 and having a longer diameter than the insertion portion 31.
  • This biasing portion 32 contacts the axial ends of the take up tube 19A and the winding body 40.
  • the biasing portion 32 is biased axially inward by an unillustrated spring or the like, and hence the take up tube 19A and the winding body 40 supported by the cradle 20 are biased axially inward by the biasing portion 32.
  • the biasing portion 32 is provided with, as shown in FIG. 5 , a notch 33 that extends axially inward from the outer periphery of the biasing portion 32 and penetrates the biasing portion 32 of the bobbin holder 22a (22b) in the axial direction.
  • a notch 33 that extends axially inward from the outer periphery of the biasing portion 32 and penetrates the biasing portion 32 of the bobbin holder 22a (22b) in the axial direction.
  • the surface of the biasing portion 32 on the insertion portion 31 side is hatched and the position of the take up tube 19B is indicated by a two-dot chain line.
  • the cradle 20 is provided with a revolution counter 35 for measuring the revolution of the bobbin holder 22b (or 22a).
  • the revolution of the take up tubes 19A and 19B is measured by measuring the revolution of the bobbin holder 22b by this revolution counter 35.
  • the winding body 40 includes two take up tubes 19B which are axially about half as long as the take up tube 19A and a connection member 41 which detachably connects the take up tube 19B.
  • connection member 41 is made of an elastic material such as synthetic resins, is substantially cylindrical, and has the outer diameter substantially identical with the inner diameter of the take up tube 19B.
  • the axial end portions of the connection member 41 sandwiching its central part are insertion portions 42. As these two insertion portions 42 are inserted into the take up tubes from the leading end sides, the take up tubes 19B are attached to the connection member 41 and hence the two take up tubes 19B are connected with each other.
  • the insertion portion 42 is shorter than the take up tube 19B in the axial directions, and in the winding body 40 the take up tube 19B protrudes in the axial direction as compared to the connection member 41. With this, it is possible to cause the insertion portion 31 of each of the bobbin holders 22a and 22b to be inserted into the part of the take up tube 19B protruding axially outward as compared to the connection member 41, as described above.
  • each insertion portion 42 At the leading end of each insertion portion 42 is provided a protruding portion 44 which extends along the entirety of the outer circumference of the portion 42 and protrudes radially outward as compared to the remaining portions.
  • a plurality of protrusions 45 are provided along the outer circumference at substantially regular intervals.
  • the protruding portion 44 and the protrusions 45 closely contact the inner circumference of the take up tube 19B on account of the elasticity of the insertion portion 42, with the result that the take up tube 19B is fixed to the insertion portion 42.
  • Each insertion portion 42 has a plurality of slits 46.
  • the slits 46 are aligned in the circumferential directions of the connection member 41.
  • Each slit 46 extends along the axis of the connection member 41 and opens at the leading end of the insertion portion 42.
  • connection member 41 On the axially substantially central part of the connection member 41 between the two insertion portions 42 is mounted an O-ring 43 (annular component) made of an elastic material such as rubber.
  • O-ring 43 annular component
  • the traverse unit 21 includes a belt component 26 that is reciprocally moved by an unillustrated motor and two traverse guides 27a and 27b that are attached to the belt component 26 to guide the yarns Ya and Yb.
  • the belt component 26 is, for example, a toothed belt having many teeth on the inner circumference, and is mounted on a driving pulley 28 rotated forward or backward by an unillustrated drive motor and a pair of driven pulleys 29.
  • the running path of the belt component 26 between the pair of driven pulleys 29 is substantially in parallel to the axis of the take up tube 19B.
  • the above-described traverse guides 27a and 27b are provided on the belt component 26 with a predetermined distance therebetween.
  • the predetermined distance in the present embodiment is more or less the same as the distance between the centers of the respective take up tubes 19B in the axial directions.
  • the two traverse guides 27a and 27b are detachable to the belt component 26.
  • a yarn guide 30a for changing the yarn path of the yarn Ya sent out from the third feed roller 9 to the front of the traversal center of the traverse guide 27a
  • a yarn guide 30b for changing the yarn path of the yarn Yb sent out from the third feed roller 9 to the front of the traversal center of the traverse guide 27b
  • a yarn guide 30c is provided between the yarn guides 30a and 30b.
  • the yarn guide 30c is provided to be further from the traverse guides 27a and 27b as compared to the yarn guides 30a and 30b, in a direction orthogonal to the central axes of the take up tubes 19A and 19B attached to the cradle 20 (i.e., the vertical direction in FIG. 2 and FIG. 3 ).
  • the yarn guides 30a to 30c may be arranged to be detachable and positionally changeable according to the usage.
  • the winding drum 23 is provided to closely contact the outer circumferences of the take up tubes 19A and 19B supported by the cradle 20. As the winding drum 23 is rotated by an unillustrated motor, the take up tubes 19A and 19B closely contacting the winding drum 23 are rotated.
  • the false-twisting unit 100 is switchable between the formation of two packages P by winding two yarns Ya and Yb onto two take up tubes 19B and the formation of a single package P by doubling two yarns Ya and Yb and winding a yarn Yg formed by the doubling onto a single take up tube 19A.
  • the yarn supplying rate of the upstream-side second feed roller 7 is arranged to be higher than the yarn supplying rate of the first feed roller 6.
  • the yarns Ya and Yb are drawn between the first feed roller 6 and the upstream-side second feed roller 7, and the drawn yarns are twisted in the interval between the first feed roller 6 and the upstream-side second feed roller 7, by the false twisting devices 15a and 15b.
  • the yarns Ya and Yb having been drawn and twisted are subjected to thermal treatment by the primary heater 13, and then cooled by the coolers 14a and 14b.
  • the yarns Ya and Yb having been twisted, heated, and cooled pass through the false twisting devices 15a and 15b, and are then untwisted before reaching the upstream-side second feed roller 7.
  • the yarns Ya and Yb After passing through the upstream-side second feed roller 7, the yarns Ya and Yb are led to the interlace nozzles 16a and 16b. Interlaced portions are formed by the interlace nozzles 16a and 16b, and then the yarns Ya and Yb are supplied to the downstream-side second feed roller 8.
  • the yarn supplying rate of the downstream-side second feed roller 8 is typically arranged to be different from the yarn supplying rate of the third feed roller 9. With this, the yarns Ya and Yb are slacken in the intervals between the downstream-side second feed roller 8 and the third feed roller 9. The slackened yarns Ya and Yb are subjected to slacken thermal treatment by the secondary heater 17, and are then supplied to the third feed roller 9. The ratio between the yarn supplying rate of the downstream-side second feed roller 8 and the yarn supplying rate of the third feed roller 9 is determined in accordance with the state of the yarns.
  • the two yarns Ya and Yb sent out from the third feed roller 9 pass through the yarn guide 30c and then the yarn guides 30a and 30b, respectively, and are wound onto the two take up tubes 19B contacting and rotated by the rotating winding drum 23 while being traversed by the traverse guides 27a and 27b that are reciprocally moved in directions in parallel to the axes of the two take up tubes 19B by the reciprocal movement of the belt component 26.
  • the moving speeds of the traverse guides 27a and 27b are controlled based on the revolution of the take up tube 19B measured by the revolution counter 35.
  • the yarns Ya and Yb are cut in the space between the third feed roller 9 and the packages P, and then an unillustrated doffing mechanism rotates the cradle 20 to perform the doffing by removing the packages P from the winding drum 23.
  • the winding body 40 having two empty take up tubes 19B is supplied to the cradle 20 and retained by the bobbin holders 22a and 22b, the cradle 20 is rotated to cause the two take up tubes 19B to contact the winding drum 23.
  • the two take up tubes 19B contacting the winding drum 23 start to rotate. Thereafter, the operator threads the yarn ends of the yarns Ya and Yb onto the take up tubes 19B, and the winding of the yarns Ya and Yb is resumed.
  • the yarn threading onto the take up tube 19B on the bobbin holder 22b side is carried out in such a way that, as indicated by a dashed line in FIG. 4(b) , the yarn Yb is arranged to run across the border between the take up tube 19B and the O-ring 43 in a direction non-parallel to the vertical line in FIG. 4(b) , so as to closely contact the outer circumference of the winding body 40.
  • the yarn Yb is guided to the gap between the end of the take up tube 19B and the O-ring 43, and the yarn is sandwiched therebetween and supported on account of the elasticity of the O-ring 43.
  • the yarn holding member of the present invention is formed by providing the O-ring 43 around the part of the connection member 41 between the two insertion portions 42.
  • a bunch winding B is formed at the right end portion of the take up tube 19B as shown in FIG. 4(b) , and the yarn threading is completed.
  • the yarn Yb may be directly inserted into the border between the take up tube 19B and the O-ring 43.
  • the yarn threading onto the take up tube 19B on the bobbin holder 22a side is, as indicated by a dashed line in FIG. 5 , carried out by inserting the yarn Ya into the notch 33 3 formed through the biasing portion 32 of the bobbin holder 22a.
  • the yarn Ya is guided to the gap between the end of the take up tube 19B and the biasing portion 32, and is sandwiched therebetween and retained.
  • a bunch winding B is formed at the right end portion of the take up tube 19B as shown in FIG. 3(b) , and the yarn threading is completed.
  • the yarn winder may be differently constructed such that the yarn Yb is guided to the gap between the end of the take up tube 19B and the biasing portion 32 so that the yarn Yb is supported by being sandwiched between the end of the take up tube 19B and the biasing portion 32 and the yarn Ya is guided to the gap between the end of the take up tube 19B and the O-ring 43 so that the yarn Ya is supported by being sandwiched between the end of the take up tube 19B and the O-ring 43.
  • bunch windings B are formed at the left end portions of the respective take up tubes 19B in FIG. 3(b) .
  • the diameters of the take up tubes 19B may be reduced because the tubes are pressed radially inward by the tension of each of the yarns Ya and Yb.
  • the present embodiment is arranged so that a plurality of slits 46 are formed through the insertion portion 42, the diameter of the insertion portion 42 is changeable. For this reason, when the diameter of the take up tube 19B is reduced, the diameter of the insertion portion 42 is reduced on account of the force applied from the take up tube 19B to the insertion portion 42.
  • the yarn threading onto the take up tube 19B on the bobbin holder 22a side is performed such that the yarn Ya introduced from the notch 33 is supported by being sandwiched between the biasing portion 32 and the take up tube 19B
  • the yarn threading onto the take up tube 19B on the bobbin holder 22b side is performed such that the yarn Yb is supported by being sandwiched between the O-ring and the take up tube 19B.
  • the bunch windings B are formed on the same sides of the take up tubes 19B in the axial direction (i.e., right sides in FIG. 3 ).
  • the yarns Ya and Yb are wound in the same direction onto the two take up tubes 19B.
  • the yarn Yg formed by the doubling is slacken in the part between the downstream-side second feed roller 8 and the third feed roller 9, and the yarn Yg in this state is subjected to slacken thermal treatment by the secondary heater 17 and then conveyed to the third feed roller 9.
  • the yarn Yg sent out from the third feed roller 9 passes through the yarn guide 30c which is further from the traverse guide 27b as compared to the yarn guides 30a and 30b, and is directly sent from the yarn guide 30c to the traverse guide 27b.
  • the yarn Yg is wound onto a single take up tube 19A contacting and rotated by the rotating winding drum 23, while being traversed on the yarn guide 30c by the traverse guide 27b which is reciprocally moved in directions in parallel to the axis of the take up tube 19A by the reciprocal movement of the belt component 26, with the result that a single package P is formed.
  • the moving distance of the traverse guide 27b when the yarn Yg is wound onto a single take up tube 19A is longer than the moving distance of each of the traverse guides 27a and 27b when the yarns Ya and Yb are wound onto two take up tube 19B, respectively.
  • the bending angle of the yarn Yg at the yarn guide 30c is of the same degree as the bending angles of the yarns Ya and Yb at the yarn guides 30a and 30b.
  • the traverse guide 27a is detached from the belt component 26 in advance in order to prevent the traverse guide 27a from obstructing the movement of the traverse guide 27b.
  • the traverse guide 27b may be detached instead of the traverse guide 27a.
  • the package P is detached from the winding drum 23 and doffed after the formation of the package P is completed, in the same manner as above.
  • the empty take up tube 19A is supplied to the cradle 20 and retained by the bobbin holders 22a and 22b, the cradle 20 is rotated to cause the take up tube 19A to contact the winding drum 23.
  • the take up tube 19A contacting the winding drum 23 starts to rotate. Thereafter, the operator threads the yarn end of the yarn Yg onto the take up tube 19A, and the winding of the yarn Yg is resumed.
  • the yarn threading onto the take up tube 19A is carried out in such a way that, in the same manner as the above-described yarn threading onto the take up tube 19B on the bobbin holder 22a side (right side in FIG. 3(a) ), the yarn Yg is caused to pass through the notch 33 formed through the biasing portion 32 of the bobbin holder 22a.
  • the yarn Yb is sandwiched between the O-ring 43 and the take up tube 19B at the time of yarn threading.
  • This arrangement is not essential.
  • an annular component which is made of an elastic material such as rubber and is substantially rectangular in cross section may be provided.
  • a groove 51 is formed along the circumference of the connection member 50 not to completely surround the same, in an area across the inner end portion of each insertion portion 42 in the axial directions and the part between the two insertion portions 42.
  • the number of grooves 51 may be one or more than one, corresponding to each insertion portion 42. When the number of grooves is more than one, the grooves are aligned in the circumferential directions of the connection member 41.
  • the yarn Yb is arranged to run across the border between the inner edge of the take up tube 19B in the axial directions and the groove 51 in a direction non-parallel to the vertical line in FIG. 8 , so as to closely contact the outer circumference of the winding body 40.
  • the yarn Yb is introduced into the groove 51 and is supported by being sandwiched between the inner circumference of the take up tube 19B and the wall of the groove 51 of the connection member 50. That is to say, according to the modification 1, the groove 51 is formed on the connection member 50 so that the yarn holding member of the present invention is formed at the part of the connection member 50 between the two insertion portions 42.
  • the O-ring 43 or the groove 51 is provided to support the yarn Yb by sandwiching the yarn between the O-ring or the groove and the take up tube 19B.
  • a yarn guide that is able to independently support the yarn Yb may be provided at a part of an insertion portion 42 between two connection members.
  • bunch windings B are formed on the same sides of the two take up tubes 19B (i.e., right side in FIG. 3 ) by supporting the yarn Ya by sandwiching the same between the biasing portion 32 and an end of one of the two take up tube 19B and supporting the yarn Yb by sandwiching the same between the O-ring 43 and an end of the other one of the take up tubes 19B.
  • This arrangement is not essential.
  • the yarns Ya and Yb may be supported by being sandwiched between the O-ring 43 and the inner ends of the take up tubes 19B.
  • notches 33 may be formed on biasing portions 32 of both of two bobbin holders 22a and 22b, and the yarns Ya and Yb may be guided to the notches 33 of the biasing portions 32 of the bobbin holders 22a and 22b, respectively, and supported by being sandwiched between the biasing portion 32 and the ends of the take up tubes 19B.
  • the bunch windings B are formed at the opposite end portions of the two take up tubes 19B, the direction of winding of the yarn Ya (Yb) is opposite between the two take up tubes 19B.
  • an arrangement (such as the O-ring 43, the groove 51, and the slit 33) for supporting the yarns Ya and Yb is formed at the part of the connection member between the two insertion portions 42 or at the bobbin holders 22a and 22b. Such an arrangement, however, is not essential.
  • the inner ends of the two take up tubes 19B in the axial directions closely contact each other, and the yarns Ya and Yb are supported by being sandwiched between the two take up tubes 19B such that the yarns Ya and Yb are inclined to run across the border between the two take up tubes 19B to closely contact the outer circumferences of the take up tubes 19B.
  • a groove is formed along the circumference of one end portion of the take up tube 19B in the axial directions, and the yarns Ya and Yb are supported in the groove such that the yarns Ya and Yb are inclined to run across the groove to closely contact the outer circumferences of the take up tubes 19B.
  • a groove is formed at an end portion of the take up tube 19A, and the yarn Yg is supported in this groove at the time of yarn threading.
  • a plurality of slits 46 are formed through the insertion portion 42 to arrange substantially entirety of the insertion portion 42 to be changeable in diameter, including the part contacting the take up tube 19B. This arrangement, however, is not essential.
  • a groove 61 is formed to completely surround the insertion portion 42 of the connection member 60 in the circumferential directions, instead of the slit 46 (see FIG. 4 ).
  • an O-ring 65 made of an elastic material such as rubber is provided.
  • the groove 61 has two engaging portions 62 and 63 and a connecting portion 64.
  • the two engaging portions 62 and 63 are separated from each other in the axial directions, and each portion has a curved bottom surface corresponding to the shape of the O-ring 65. Furthermore, among the two engaging portions 62 and 63, the bottom surface of the engaging portion 63 which is on the inner side in the axial directions is radially outside as compared to the bottom surface of the engaging portion 62 on the outer side. Furthermore, when the insertion portion 42 is not inserted into the take up tube 19B, the O-ring 65 is engaged with the engaging portion 62 which is on the outer side in the axial directions.
  • the connecting portion 64 extends between the engaging portion 62 and the engaging portion 63 to connect the engaging portion 62 with the engaging portion 63.
  • the O-ring 65 reaches the engaging portion 63 before the insertion portion 42 is completely inserted into the take up tube 19B, and the engagement between the O-ring 65 and the engaging portion 63 is maintained until the insertion portion 42 is completely inserted into the take up tube 19B.
  • the O-ring 65 is expanded in diameter as it moves from the engaging portion 62 to the engaging portion 63.
  • the O-ring 65 further closely contacts the take up tube 19B and hence the take up tube 19B is fixed to the insertion portion 42.
  • the part of the insertion portion 42 contacting the take up tube 19B (i.e., the O-ring 65) is arranged to be changeable in diameter.
  • the part of the insertion portion 42 contacting the take up tube 19B may be arranged to be changeable in diameter by an arrangement different from the slits 46 of the embodiment above and the groove 61 and the O-ring 65 of the modification 2.
  • the insertion portion 42 is shorter than the take up tube 19B in the axial directions, and the winding body 40 is supported by the bobbin holders 22a and 22b as the insertion portions 31 of the bobbin holders 22a and 22b are inserted into the take up tubes 19B.
  • a connection member 71 is longer than the total length of the two take up tubes 19B in the axial directions, and the end portions of the connection member 71 protrude from the take up tubes 19B when the connection member 71 are inserted into the two take up tubes 19B.
  • a winding body 70 constituted by the take up tubes 19B and the connection member 71 is supported by the bobbin holders 22a and 22b.
  • connection member 71 is provided with an O-ring 43 at a substantially central part in the axial directions in the same manner as the embodiment above, and is further provided with the groove 61 and the O-ring 65 identical with those in the modification 2.
  • connection member 71 is pulled off from the two take up tubes 19B. In this way, the two packages P are easily separated from each other.
  • the winding body has two take up tubes 19B connected with each other, and two packages P are formed by winding yarns Ya and Yb onto the two take up tubes 19B, respectively.
  • the winding body is provided with three or more take up tubes 19B connected with one another, and three or more packages P are formed by winding yarns onto the three or more take up tubes 19B, respectively.
  • the three or more take up tubes 19B are connected with one another in such a way that each pair of adjacent take up tubes 19B among the take up tubes 19B are connected with each other by the above-described connection member 41 or the like.
  • three or more take up tubes 19B may be connected with one another by a single long connection member, instead of being connected such that each pair of adjacent take up tubes 19B among the take up tubes 19B are connected with each other by the connection member 41.
  • the false-twisting unit 100 is switchable between the formation of two packages P by winding yarns Ya and Yb onto respective take up tubes 19B and the formation of a single package by winding a yarn Yg formed by doubling yarns Ya and yarn Yb onto a single take up tube 19A
  • the false-twisting unit 100 may be able to form only a plurality of packages.

Landscapes

  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Winding Filamentary Materials (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Joints Allowing Movement (AREA)
  • Joints With Sleeves (AREA)

Claims (7)

  1. Garnwickler (18), umfassend:
    einen Wickelkörper (40), der eine Mehrzahl von Aufnahmerohren (19B), die lösbar miteinander verbunden sind und in Axialrichtungen ausgerichtet sind, einschließt, und
    einen Spulenträger (20), der den Wickelkörper (40) drehbar lagern kann, und
    ein Verbindungselement (41, 50, 60, 71), das dazu ausgebildet ist, die Aufnahmerohre (19B) lösbar miteinander zu verbinden,
    wobei eine Mehrzahl von Spulen jeweils durch Wickeln einer Mehrzahl von zugeführten Garnen (Y) auf die Aufnahmerohre (19B) gebildet werden kann,
    dadurch gekennzeichnet, dass
    das Verbindungselement (41, 50, 60, 71) als eine Röhre gestaltet ist, die sich in den Axialrichtungen der Aufnahmerohre (19B) erstreckt, und an etwa entsprechenden Endabschnitten in den Axialrichtungen Einsetzabschnitte (42) aufweist, die in die Aufnahmerohre (19B) eingesetzt sind, und zwei benachbarte Aufnahmerohre (19B) aus den Aufnahmerohren lösbar miteinander verbunden werden, wenn die zwei Einsetzabschnitte (42) in die entsprechenden Aufnahmerohre (19B) eingesetzt werden, und
    jeder Einsetzabschnitt (42) in der Axialrichtung kürzer als die Aufnahmerohre (19B) ist und in dem Wickelkörper (40) die Aufnahmerohre (19B) im Vergleich zu dem Verbindungselement (41) in der Axialrichtung vorstehen,
    wobei der Durchmesser des Einsetzabschnitts (42) an einem Teil, der das Aufnahmerohr (19B) kontaktiert, veränderbar ist.
  2. Garnwickler (18) nach Anspruch 1, weiter umfassend:
    eine Verdoppelungsvorrichtung (16a, 16b), die die zugeführten Garne (Ya, Yb) verdoppelt, wobei
    der Spulenträger (20) den Wickelkörper (40) und ein einzelnes Aufnahmerohr (19A), das in einer Länge in den Axialrichtungen mit dem Wickelkörper (40) im Wesentlichen identisch ist, drehbar lagern kann, und
    er umschaltbar ist zwischen (i) einer Bildung einer Mehrzahl von Spulen (P), die so ausgeführt wird, dass der Wickelkörper (40) durch den Spulenträger (20) drehbar gelagert wird und die zugeführten Garne auf die entsprechenden Aufnahmerohre (19B) gewickelt werden, und
    (ii) einer Bildung einer einzelnen Spule (P), die so ausgeführt wird, dass das einzelne Aufnahmerohr (19A) durch den Spulenträger (20) drehbar gelagert wird, die zugeführten Garne (Ya, Yb) durch die Verdoppelungsvorrichtung (16a, 16b) verdoppelt werden und ein durch ein Verdoppeln der Garne gebildetes Garn auf das einzelne Aufnahmerohr (19A) gewickelt wird.
  3. Garnwickler (18) nach Anspruch 1 oder 2, wobei
    an einem Teil zwischen den zwei Einsetzabschnitten (42) ein Garnendehalteabschnitt bereitgestellt ist, um ein Garnende eines Garns zu lagern, das auf zumindest eines der zwei verbundenen Aufnahmerohre (19B) gewickelt werden soll.
  4. Garnwickler (18) nach Anspruch 3, wobei
    der Garnendehalteabschnitt durch Wickeln einer ringförmigen Komponente (43), die aus einem elastischen Element hergestellt ist, um einen Teil zwischen den zwei Einsetzabschnitten (42) gebildet wird und das Garnende durch sandwichartiges Anordnen des Garns zwischen der ringförmigen Komponente (43) und einem Ende des Aufnahmerohrs (19B) trägt.
  5. Garnwickler (18) nach Anspruch 3, wobei
    der Garnendehalteabschnitt durch Bilden einer Nut (51) an einem Teil zwischen den zwei Einsetzabschnitten (42), so, dass sie sich in Umfangsrichtungen erstreckt und das Verbindungselement (50) nicht vollständig umgibt, gebildet wird, wobei die Nut (51) das Garn zu dem Innenumfang des Aufnahmerohrs (19B) führt und der Garnendehalteabschnitt das Garnende durch sandwichartiges Anordnen des Garns zwischen einer Wand der Nut (51) und dem Innenumfang des Aufnahmerohrs (19B) trägt.
  6. Garnwickler (18) nach einem der vorstehenden Ansprüche, wobei
    der Durchmesser des Teils des Einsetzabschnitts (42), der das Aufnahmerohr (19B) kontaktiert, so eingerichtet ist, dass er in einer solchen Weise veränderbar ist, dass eine Mehrzahl von Schlitzen (46) durch den Einsetzabschnitt (42) so gebildet werden, dass sie in Umfangsrichtungen ausgerichtet sind und jeder der Schlitze (46) sich in den Axialrichtungen erstreckt und an einem Ende des Einsetzabschnitts (42) offen ist.
  7. Garnwickler (18) nach Anspruch 1, wobei, nachdem der Einsetzabschnitt (42) in das Aufnahmerohr (19B) eingesetzt ist, das Aufnahmerohr (19B) an dem Einsetzabschnitt (42) befestigt wird, selbst wenn der Wickelkörper von dem Spulenträger (20) gelöst ist.
EP12178825.1A 2011-08-05 2012-08-01 Garnwickler Active EP2554506B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011171934A JP5757818B2 (ja) 2011-08-05 2011-08-05 糸巻取装置、連結部材、及び、糸巻取方法

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EP2554506A2 EP2554506A2 (de) 2013-02-06
EP2554506A3 EP2554506A3 (de) 2013-12-25
EP2554506B1 true EP2554506B1 (de) 2017-10-04

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CN103350929B (zh) * 2013-07-31 2016-08-24 西南铝业（集团）有限责任公司 一种盘头
CN104562417B (zh) * 2014-12-19 2016-11-30 浙江和心纺织有限公司 纺织机
CN107557920B (zh) * 2016-07-01 2022-05-31 欧瑞康纺织有限及两合公司 一种卷绕管连接装置
CN107673126A (zh) * 2016-08-02 2018-02-09 天津市银鹤金属制品有限公司 一种高效钢丝成卷机的制备方法
CZ309324B6 (cs) * 2016-11-14 2022-08-24 Rieter Cz S.R.O. Způsob definovaného uložení konce příze na cívce
CN107385530B (zh) * 2017-09-20 2022-11-29 江苏垶恒复合材料有限公司 化纤缠绕机
DE102018000259A1 (de) * 2018-01-13 2019-07-18 Oerlikon Textile Gmbh & Co. Kg Adaptereinrichtung zum Halten zumindest einer Spulhülse
KR102204981B1 (ko) * 2020-09-25 2021-01-19 정형관 지퍼백 제작용 지퍼 롤 결합장치
JP2022172783A (ja) 2021-05-07 2022-11-17 Ｔｍｔマシナリー株式会社 連結部材、及び糸掛方法

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Publication number Publication date
EP2554506A2 (de) 2013-02-06
CN102912490B (zh) 2017-03-01
CN102912490A (zh) 2013-02-06
JP2013035640A (ja) 2013-02-21
EP2554506A3 (de) 2013-12-25
JP5757818B2 (ja) 2015-08-05

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