EP1899723A1 - Machine textile fabriquant des bobines croisees - Google Patents

Machine textile fabriquant des bobines croisees

Info

Publication number
EP1899723A1
EP1899723A1 EP06724406A EP06724406A EP1899723A1 EP 1899723 A1 EP1899723 A1 EP 1899723A1 EP 06724406 A EP06724406 A EP 06724406A EP 06724406 A EP06724406 A EP 06724406A EP 1899723 A1 EP1899723 A1 EP 1899723A1
Authority
EP
European Patent Office
Prior art keywords
thread
textile machine
cheese
machine according
sensor
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.)
Granted
Application number
EP06724406A
Other languages
German (de)
English (en)
Other versions
EP1899723B1 (fr
Inventor
Paul Straaten
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
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 Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP1899723A1 publication Critical patent/EP1899723A1/fr
Application granted granted Critical
Publication of EP1899723B1 publication Critical patent/EP1899723B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/26—Arrangements facilitating the inspection or testing of yarns or the like in connection with spinning or twisting

Definitions

  • the invention relates to a cross-wound producing textile machine according to the preamble of claim 1.
  • the control was usually at the start of the party and later at irregular intervals. To control coils first had to be removed from the winding devices of the textile machine, checked and optionally later returned to the textile machine.
  • DE 37 05 925 A1 discloses a method in which yarn produced on open-end friction spinning devices can be checked by a maintenance device for its minimum tear strength and its tendency to curl, and if the predetermined yarn values are exceeded or exceeded, certain adjustment parameters of the open-end friction spinning are known - adapted devices.
  • DE 198 41 604 A1 also describes a method and a device for examining the yarn quality at the spinning stations of a textile machine producing cross-wound bobbins.
  • a thread is withdrawn from a cross-wound bobbin, which is held in the bobbin frame of a workstation of a cross-wound textile machine, and repeatedly subjected to a tear test.
  • the known device has a thread retaining device, a thread tensioning device and a measuring head.
  • a thread string for example, stretched between the braked cross-wound bobbin and the yarn suction nozzle of the walking machine is pulled over a measuring head, the thread tension is detected and displayed in an associated display device. At the moment of tearing the thread, the thread tension jumps abruptly back to zero.
  • the size of the yarn tension determined in this way is in a proportional relationship to the tensile strength of the yarn.
  • the invention has for its object to provide a device that makes it possible to perform Garnfestmaschines phenomenonen directly to the winding unit of the textile machine, the test conditions largely comply with the valid standards and standards of Laborprüfandern.
  • an inventively designed control unit with a Switzerlandprüf shark which has a measuring path of predetermined length with the end of the measuring path arranged thread clamps, at least one of the thread clamps movably mounted and acted upon by a drive and arranged in the region of the measuring section sensor device, such as the drive To move the thread clamp is connected to a control device, especially has the advantage that in a simple manner, for example by the June 24, 2005 WS 2298
  • the device according to the invention can not only be easily determined, the tensile strength of the thread and the maximum thread elongation, but also the piecers are checked for their strength.
  • the drive for the movably mounted thread clamp is preferably designed as a stepper motor.
  • a stepper motor is a proven, cost-effective mass-produced component that can be precisely controlled in a relatively simple manner.
  • a pneumatic thrust piston gear can also be used (claim 3).
  • the sensor device arranged in the region of the measuring path is either a transducer corresponding to one of the thread clamps or a yarn tension force sensor positioned between the thread clamps.
  • a transducer corresponding to the second yarn clamp directly measures the axial yarn tension, while a yarn tension sensor arranged between the yarn clamps measures a force component which acts orthogonally to the tensioning direction of the yarn.
  • a first thread clamp is either movably mounted via a pivot lever or the thread clamp is slidably mounted in a linear guide.
  • the first thread clamp which is arranged on a pivot lever, defined by a stepper motor designed as an electromotive drive is displaced.
  • stepper motor pivots the first thread clamp fixed to the pivot lever, which fixes the thread, which is also held in the second thread clamp, until it comes to breaking the thread.
  • the maximum tensile elongation at break of the filament can be determined in a simple manner and very accurately.
  • the measurement results that can be achieved with a tensile test device designed in this way are comparable with measurement results as can be determined in a textile laboratory.
  • an initiator is provided for the exact determination of the zero position of the pivot lever.
  • an initiator is preferably a Hall sensor (Anspr.10).
  • a Hall sensor As set forth in claim 9, it is also provided in an advantageous embodiment that an initiator is provided for the exact determination of the zero position of the pivot lever.
  • Such an initiator is preferably a Hall sensor (Anspr.10).
  • Such a proven Hall sensor is a reliable means that makes it possible to approach the zero position of the rocker arm exactly and repeatedly as often reproducible.
  • a fixed stop is a suitable means to reliably set a zero or home position.
  • the second thread clamp is fixed via a force sensor on a housing wall of the operating unit, wherein the force sensor is formed in a preferred embodiment as a strain gauge force transducer (claim 13).
  • strain gauges having force sensors, which are known per se, and consist essentially of a support on which an electrical resistance, such as an etched foil is applied, work very well. Any change in length of the carrier, which is triggered in the present case by the thread tension of the held in the first thread clamp thread, immediately leads to a proportional change in resistance, which is processed in an associated Meßwertverlochr.
  • strain gauges are cost-effective, very accurate measuring devices that work very reliable.
  • the transducer whose force sensor is supported in a damping means, fixed via a holder on a housing wall of the operating unit and the second thread clamp pivotally mounted also on the housing wall of the operating unit.
  • a spring element holds the second thread clamp in contact with the force sensor of the sensor.
  • the force sensor of the transducer can also, as set forth in claim 15, supported by a damping means to be fixed to a holder, on which via a linear guide slidably guided. On the carriage, the second thread clamp is attached and thus stored with this linearly displaceable.
  • a spring element holds here, too, the second thread clamp in contact with the force sensor of the transducer.
  • the embodiments described in claims 14 and 15 are characterized by the fact that vibrations that could act on the housing wall of the operating unit on the Buchprüf drove be damped to the extent that the measured values are no longer adversely affected. That is, by the separate arrangement of thread clamp and transducer and the storage of the force sensors of the transducer in special damping means, the vibrations occurring can be largely absorbed.
  • a damping means can also be arranged between the thread clamp and the force sensor.
  • This thread sensor can be designed either as an optical or as a capacitive thread sensor.
  • Garnunregelwhikeiten especially Garnmasseschwankoder, as they represent, for example, piecemeal, reliably detect. June 24, 2005 WS 2298
  • Such a thread sensor makes it possible to reliably determine a piecing that has accumulated on the cross-wound bobbin with the thread and thus to position it in the region of the measuring section in such a way that it can be tested by means of the tensile test device. This means that the piecer positioned within the measuring section can be subjected to a tear strength test at any time.
  • the operating unit has its own, independent control device which is connected via a machine bus to the central control unit of the cheese-producing textile machine.
  • the control device of the operating unit has, for example, an evaluation device, which processes the measurement results of the Switzerlandprüf published.
  • an evaluation device which processes the measurement results of the Switzerlandprüf coupled to the control device of the operating unit.
  • Such a design not only enables operation of the tensile testing device according to the invention or an evaluation of the measurement results either directly via the control device of the operating unit or via the central control unit of the textile machine, but also represents a relatively uncomplicated, cost-effective solution.
  • the Switzerlandprüf As set forth in claims 20-22, the Switzerlandprüf adopted the operating unit is equipped with a thread catcher and -einzieherhebel, which makes it possible to safely position the yarn retrieved from the spinning station's own suction nozzle of the cross-wound yarn in the measuring section.
  • the movably arranged on the operating unit thread catcher and -einzieherhebel is pivoted if necessary in the region of the spinning position and thereby arranged on a thread catcher and -einzieherhebel thread catching plate so in the thread running path 24 June 2005 WS 2298, that the thread picked up by the spinning station's own suction nozzle and traversed by the cross-wound bobbin during winding can be grasped and inserted into the threadlines of the measuring section.
  • the pivoting of the thread catcher and -einzieherhebels takes place via a stepper motor, wherein advantageously between the pivot lever and stepper motor, a low-cost spur gear is turned on.
  • FIG. 1 is a schematic side view of a workstation of a cheese-producing textile machine with an operating unit, wherein here for reasons of clarity, the inventive equipped Wegprüf noise is not shown,
  • Fig. 2 shows the operating unit with the invention
  • Fig. 5 shows a third embodiment of the arrangement of the second thread clamp and the associated transducer. June 24, 2005 WS 2298
  • FIG. 1 is a schematic side view of a half of a cross-wound producing textile machine 1, in the embodiment of an open-end rotor spinning machine, shown.
  • Such textile machines have, as is known, between their (not shown) end frames over a plurality of similar jobs. 2
  • These jobs 2 each have inter alia a spinning unit 3 and a winding device 4.
  • the winding device 4 has, for example, a reel frame 9, a reel drive roller 11, and a thread-changing device 16.
  • the bobbin drive roller 11 which can be acted upon by a single motor 13 by a drive, thereby drives the cross-wound bobbin 8 freely rotatably mounted in the creel 9 in a friction-locked manner.
  • the finished cheeses are then transported via a cheese-transporting device 12 to a machine end side arranged (not shown) charging station.
  • the work stations 2 in addition to the spinning unit 3 and the winding device 4 each have additional thread handling devices, for example a thread withdrawal device 10, a suction nozzle 17 or a paraffine 14 on.
  • the control unit 18 has a control device 25 which is connected via a machine bus 26 to the central control unit 27 of the textile machine.
  • the operating unit 18 is equipped with a device according to the invention for checking the quality of the threads produced on the work stations 2 and the piecing.
  • This device which is referred to below as a tensile test device 15, is shown in more detail in FIGS. 2 to 5.
  • the tensile testing device 15 has two thread clamps 20 and 21 which form a measuring section 19 between them.
  • the first thread clamp 20 is arranged on a pivot lever 29 which can be pivoted defined by a stepper motor 22.
  • Zero or home position is preferably also a
  • Hall sensor 31 is provided.
  • the Hall sensor could also be a solid
  • Both the stepper motor 22 and the Hall sensor 31 are connected via control lines 41 and 42 to the control device 25 of the operating unit 18.
  • the second thread clamp 21 is either, as indicated in Figures 2 and 3, limited by a transducer 23 movably fixed to the housing wall 33 of the control unit 18, or there are, as shown in Figures 4 and 5, transducer 23 and thread clamp 21 separated stored.
  • a force sensor 47 designed as a strain gauge transducer
  • a signal line 38 In the region of the measuring section 19, that is, between the two pneumatically acted thread clamps 20 and 21, which are controlled together, for example via a solenoid valve 28, an optical or a capacitive yarn sensor 37 is arranged, which via a signal line 43 also with the control device 25th the operating unit 18 is in communication.
  • the Switzerlandprüf recognized 15 further has a thread catcher and -einzieherhebel 34 which by means of a stepping motor 36 and a spur gear 35 is pivotable. Also, the stepper motor 36 is connected via a control line 44 to the control device 25 of the operating unit 18.
  • the thread catcher and puller lever 34 also has a thread catching plate 39 and a deflection roller 40 in the region of its free end. June 24, 2005 WS 2298
  • the measuring sensor 23 is fixed rigidly to the housing wall 33 of the operating unit 18 via a holder 45.
  • the force sensor 47 of the transducer 23 is mounted in damping means 46 and connected via a sensor line 38 to the control device 25.
  • the transducer 23 corresponds to the second thread clamp 21, which is limited to a pivot axis 49 movable, also mounted on the housing wall 33 of the control unit 18.
  • a spring element 48 is turned on, which holds the thread clamp 21 in contact with the force sensor 47 of the transducer 23.
  • the thread clamp 21 with respect to the housing wall 33 of the operating unit 18 is mounted linearly displaceable.
  • a fixed to the housing 33 holder 45 has a linear guide 52 on which a carriage 51 is slidably guided.
  • a transducer 23 set On the holder 45 is also, as in the embodiment of FIG. 4, a transducer 23 set, the force sensor 47 is also cushioned here in a damping means 46, for example, a rubber mounting. Also in the embodiment according to FIG. 5, a spring element 48 holds the thread clamp 21 in contact with the force sensor 47 of the measuring transducer 23. June 24, 2005 WS 2298
  • the operating unit 18 is ordered to check the quality of a thread or a piecer if necessary or according to a freely selectable schedule to one of the jobs 2 of the textile machine 1 and then positions itself in front of the relevant job. 2
  • the thread end of the accumulated on the cheese 8 thread 7 is then first taken.
  • the cross-wound bobbin 8 is rotated for this purpose by the bobbin drive roller 11 in the unwinding direction AR and the suction nozzle 17 is subjected to negative pressure.
  • the suction nozzle 17 pivots after receiving the yarn end, while the cross-wound bobbin is further rotated in the unwinding AR, down and forms a thread strand.
  • the thread catching and Einiehherhebel 34 is then, as indicated in Fig. 3, pivoted into an insertion position I, wherein the thread is pulled over the guide roller 40.
  • the cross-wound bobbin is further rotated in the unwinding AR.
  • the further functional sequence depends on whether a tear strength test of the thread takes place or whether a piecing is to be examined for its tensile strength. If a tear resistance test of the thread is announced, the thread clamps 20, 21 are pneumatically closed by corresponding activation of the solenoid valve 28. The thread to be checked is then in the measuring section 19.
  • the thread clamps 20, 21 are also pneumatically closed, so that the piecing is fixed in the region of the measuring section 19.
  • the motor steps of the stepping motor 22, which the motor executes from reaching a predeterminable thread pretension until reaching the maximum tensile force, are thereby counted and used by multiplication by a suitable conversion formula to calculate the maximum tensile elongation of the filament 7. June 24, 2005 WS 2298
  • the values measured on the tensile testing device 15 according to the invention are quite comparable in their accuracy with values which could hitherto only be achieved in spinning laboratories.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Looms (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

Machine textile fabriquant des bobines croisées, qui comporte un dispositif placé sur un bloc de commande et destiné à contrôler la qualité d'un fil fabriqué sur l'un des postes de filage de la machine textile, en particulier des rattaches, le bloc de commande comprenant un dispositif de contrôle de résistance à la traction ainsi qu'un dispositif de transfert d'un fil au dispositif de contrôle de résistance à la traction. Selon la présente invention, le dispositif de contrôle de résistance à la traction (15) dispose d'une section de mesure (19) de longueur prédéterminée, des pince-fils (20, 21) étant situés aux extrémités de la section de mesure (19). Le premier pince-fil (20) est monté mobile et peut subir l'action définie d'un dispositif d'entraînement (22). Un dispositif capteur (23) est en outre situé dans la zone de la section de mesure (19). Le dispositif d'entraînement (22) ainsi que le dispositif capteur (23) sont connectés à un dispositif de commande (25).
EP06724406A 2005-06-28 2006-04-19 Machine textile fabriquant des bobines croisees Active EP1899723B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005029935A DE102005029935A1 (de) 2005-06-28 2005-06-28 Kreuzspulen herstellende Textilmaschine
PCT/EP2006/003548 WO2007000200A1 (fr) 2005-06-28 2006-04-19 Machine textile fabriquant des bobines croisees

Publications (2)

Publication Number Publication Date
EP1899723A1 true EP1899723A1 (fr) 2008-03-19
EP1899723B1 EP1899723B1 (fr) 2012-06-13

Family

ID=36688151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06724406A Active EP1899723B1 (fr) 2005-06-28 2006-04-19 Machine textile fabriquant des bobines croisees

Country Status (6)

Country Link
US (1) US20090199631A1 (fr)
EP (1) EP1899723B1 (fr)
CN (1) CN101203752B (fr)
BR (1) BRPI0612555A2 (fr)
DE (1) DE102005029935A1 (fr)
WO (1) WO2007000200A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103383294A (zh) * 2013-06-26 2013-11-06 江苏中新资源集团有限公司 一种纱线张力检测器
DE102018112802A1 (de) * 2018-05-29 2019-12-05 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Textilmaschine sowie Textilmaschine
DE102018005732A1 (de) * 2018-07-20 2020-01-23 Saurer Technologies GmbH & Co. KG Fadenspannungsbeeinflussungseinrichtung für eine Zwirn- oder Kabliermaschine
DE102019107712A1 (de) * 2019-03-26 2020-10-01 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zum Herstellen einer Spleißverbindung an einer Arbeitsstelle einer Textilmaschine sowie Arbeitstelle einer Textilmaschine
CN114174207B (zh) * 2019-06-20 2023-08-25 潘泰克纺织机械有限责任公司 具有织物堆积站的类型的织物处理机械以及控制织物处理机械的堆积站的堆积量的方法
EP3828325A1 (fr) * 2019-11-29 2021-06-02 Saurer Intelligent Technology AG Poste de filage et machine à filer à jet d'air comprenant un tel poste de filage et procédé de détermination d'une défaillance de la résistance à la traction d'un fil
CN113336003B (zh) * 2021-06-30 2022-08-26 陈小苑 一种转动式锦纶长丝收卷设备

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IT1194072B (it) * 1981-06-16 1988-09-14 Mesdan Spa Apparecchio per la giunzione di filati tessili con l'ausilio di aria compressa
JPS61146827A (ja) * 1984-12-17 1986-07-04 Murata Mach Ltd 糸継装置の自動検査装置
DE3606466A1 (de) * 1985-03-22 1986-09-25 Fritz 7347 Bad Überkingen Stahlecker Verfahren zum betreiben einer oe-friktionsspinnmaschine
DE3705925A1 (de) * 1987-02-25 1988-09-08 Fritz Stahlecker Verfahren zum betreiben einer oe-friktionsspinnmaschine
JPH0430211Y2 (fr) * 1988-11-02 1992-07-21
DE19841604A1 (de) * 1998-09-11 2000-03-16 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zur Untersuchung der Fadenqualität
DE19940161A1 (de) * 1999-08-25 2001-03-01 Schlafhorst & Co W Vorrichtung zum Abgleich eines Fadenzugkraftsensors
DE10257804A1 (de) * 2002-12-11 2004-07-01 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zur Inbetriebnahme einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE502004002633D1 (de) * 2004-08-26 2007-02-22 Ssm Ag Garnqualitätssicherungsverfahren und Garnbearbeitungsmaschine

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Also Published As

Publication number Publication date
CN101203752A (zh) 2008-06-18
DE102005029935A1 (de) 2007-01-04
US20090199631A1 (en) 2009-08-13
CN101203752B (zh) 2011-09-07
WO2007000200A1 (fr) 2007-01-04
BRPI0612555A2 (pt) 2010-11-23
EP1899723B1 (fr) 2012-06-13

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