EP1111105A1 - Machine de bobinoir et d'enchevêtrement pour le traitement d'un ou plusieurs fils - Google Patents

Machine de bobinoir et d'enchevêtrement pour le traitement d'un ou plusieurs fils Download PDF

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Publication number
EP1111105A1
EP1111105A1 EP00204227A EP00204227A EP1111105A1 EP 1111105 A1 EP1111105 A1 EP 1111105A1 EP 00204227 A EP00204227 A EP 00204227A EP 00204227 A EP00204227 A EP 00204227A EP 1111105 A1 EP1111105 A1 EP 1111105A1
Authority
EP
European Patent Office
Prior art keywords
machine
yarn
yarns
sensor
winding
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.)
Withdrawn
Application number
EP00204227A
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German (de)
English (en)
Inventor
Mariella Crotti
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1111105A1 publication Critical patent/EP1111105A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams

Definitions

  • the present invention refers to a winding interweaving machine for the treatment of one or more yarns.
  • the usual winding for example after the extrusion and/or spinning operation, is now carried out by spoolers which produce packs known as reels, generally once the yarn has been interweaved. Then the yarn, thus produced and wound onto reels, is treated on winding frames which deposit and arrange the thread onto a rotating cylinder or spool.
  • the spool simply comprises a tube or a similar taking up part, of smaller size, with or without flanges at one or both ends in order to contain the wound thread.
  • the spoolers operate at a relatively low speed, i.e. approx. 800m/min. while winding frames can even operate at triple the speed of spoolers.
  • Another difficulty which forms part of the overall problem connected to these treatment types is that arising from the joining of yarns to be drawn with drawn yarns, which may be required on special fancy yarns for specific uses.
  • the aim of the present invention is to provide a solution to this series of associated technical problems by defining a machine which allows considerable time savings with consequently reduced costs.
  • Another aim of the present invention is to define a machine which allows the attainment of yarns, ready for the taking up operation and for the subsequent treatments, in much reduced times.
  • a winding interweaving machine is represented by its essential parts according to the invention, denoted as a whole by 11.
  • Such a machine has at least one feed yarn 12, unwound from its starting pack 10, which is made to pass over a first feed part 13, e.g. consisting of a roller.
  • the feed yarn 12 is then treated in an interweaving device 14 e.g. air type, which carries out the so-called "compensation" of the yarn before releasing it on a second feed part 15, this also, for instance, consisting of a roller.
  • an interweaving device 14 e.g. air type, which carries out the so-called "compensation" of the yarn before releasing it on a second feed part 15, this also, for instance, consisting of a roller.
  • a thread guide unit 16 Upon exit from this second feed part 15 is set a thread guide unit 16, as for example that described in the Italian patent 1.230.882 of the same applicant, which arranges the treated yarn on a spool 17 or a similar picking-up part.
  • the second feed part 15 can also be replaced by a yarn sensor which, in addition to fulfilling its main task, carries out the momentary constraint of the interweaved yarn before being taken up onto the spool.
  • this yarn 12 can be a multifilament which does not need to be compensated before its interweaving 14 prior to being wound onto the spool.
  • suitable motors (outlined in 18) must be lined up with the first and second feed parts (13, 15), or a single motor which transmits the motion with suitable motorization to the two feed parts 13, 15, with a central computer 20 being provided.
  • a sensor 19 e.g. a stress sensor set before the thread guide or at any other point before the formation of the spool, which checks the presence of the yarn and the pick-up tension so as to produce continuous spools of good quality.
  • composite yarns can be produced which have been interweaved and are picked-up on a spool, ready for subsequent use, e.g. for taking up.
  • Figure 2 shows a machine 11' which, in addition to having the main parts quoted in the description in figure 1, allows the attainment of a spool with drawn yarn, due to the presence of a godet 21 between the feed yarn 12 and the first feed part 13.
  • the yarn 12, unwound from its starting pack 10, is wrapped onto an additional godet 21, before winding onto the first feed roller 13 and can then be treated in the interweaving device.
  • the drawing of the yarn 12 occurs between the additional godet 21 and the first feed roller 13, before being compensated in the device 14.
  • This yarn 12' can be an elasticized or texturized yarn or, in any case, a yarn which needs to be joined to the drawn yarn 12 to have a spool 17 ready for the specific use for which it is intended.
  • an additional sensor 22 can be envisaged, alternatively or in addition to sensor 19.
  • This additional sensor 22, of capacitive type, for example is set, for instance, before the interweaving device 14 and checks the diameter of the yarn obtained or the presence of both the yarns 12 and 12'. In this way, one can be sure that the yarns wound onto spool 17 before the thread guide, i.e. at any point will be correctly composed as required, and if necessary signals the absence of one of the two yarns, interrupting and preventing an incorrect winding operation.
  • the yarns 12, 12', 12" etc. used in this machine can have the same or different count(s), can be elasticized or texturized, etc. thus allowing the direct production of spools of composite yarn, fancy yarns etc.
  • the presence of the thread guide 16 allows a synchronised spool rotation speed, with constant shed of programmable rotation according to needs, due to the computer 20.
  • the spool can be arranged on a motorised spindle so as to be able to use flanged and unflanged spools, with automatically adjusted rotation speeds to maintain a constant thread speed.
  • a separate motor 24 or the spindle can be motorized with a transmission (not shown) which takes the motion from a central motor of the machine, namely motor 18.
  • a thread sensor 30 is also envisaged for each feed yarn 12, 12', 12" fed into and exiting directly from the starting pack 10, 10', 10".
  • the feed parts which are shown in the figures can be simply rollers, pulleys or similar controlled by one or more electronically controlled motors.
  • the rollers or pulleys can feed and/or overfeed and/or draw the yarn to be collected on the spool due to their differentiated distribution and sequence.
  • a thread cutter 23 e.g. before the picking-up onto the spool, which electronically controlled by the computer 20, works in synchrony with the tension sensor 19 and/or the capacitive thread sensor 22.
  • the machine eliminates the spooler and spooling operation and the yarn is doubled and/or drawn and/or fed and simultaneously interweaved directly in a single operation, without having to go through the spooling stage.
EP00204227A 1999-12-01 2000-11-28 Machine de bobinoir et d'enchevêtrement pour le traitement d'un ou plusieurs fils Withdrawn EP1111105A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1999MI002508A IT1314245B1 (it) 1999-12-01 1999-12-01 Macchina bobinatrice interlacciatrice per il trattamento di uno o piu'filati.
ITMI992508 1999-12-01

Publications (1)

Publication Number Publication Date
EP1111105A1 true EP1111105A1 (fr) 2001-06-27

Family

ID=11384052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00204227A Withdrawn EP1111105A1 (fr) 1999-12-01 2000-11-28 Machine de bobinoir et d'enchevêtrement pour le traitement d'un ou plusieurs fils

Country Status (3)

Country Link
EP (1) EP1111105A1 (fr)
CA (1) CA2327125A1 (fr)
IT (1) IT1314245B1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035880A (en) * 1975-10-03 1977-07-19 Carisbrook Industries Inc. Apparatus for drawing and crimping yarn
US4685179A (en) * 1983-10-13 1987-08-11 World Tech Fibres, Inc. Air processing apparatus
US5084823A (en) * 1989-11-09 1992-01-28 E. I. Du Pont De Nemours And Company Method for determining level of bulk and control thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035880A (en) * 1975-10-03 1977-07-19 Carisbrook Industries Inc. Apparatus for drawing and crimping yarn
US4685179A (en) * 1983-10-13 1987-08-11 World Tech Fibres, Inc. Air processing apparatus
US5084823A (en) * 1989-11-09 1992-01-28 E. I. Du Pont De Nemours And Company Method for determining level of bulk and control thereof

Also Published As

Publication number Publication date
CA2327125A1 (fr) 2001-06-01
ITMI992508A0 (it) 1999-12-01
IT1314245B1 (it) 2002-12-06
ITMI992508A1 (it) 2001-06-01

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