EP2985252B1 - Dispositif de detection d'un enroulement de fil indesirable - Google Patents

Dispositif de detection d'un enroulement de fil indesirable Download PDF

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Publication number
EP2985252B1
EP2985252B1 EP15002141.8A EP15002141A EP2985252B1 EP 2985252 B1 EP2985252 B1 EP 2985252B1 EP 15002141 A EP15002141 A EP 15002141A EP 2985252 B1 EP2985252 B1 EP 2985252B1
Authority
EP
European Patent Office
Prior art keywords
roller
workstation
thread
winding
package
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.)
Not-in-force
Application number
EP15002141.8A
Other languages
German (de)
English (en)
Other versions
EP2985252A1 (fr
Inventor
Franz-Josef Flamm
Dietmar Froesch
Alexander Marx
Peter Schwartz
Michael Stümke
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Saurer Germany 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 Saurer Germany GmbH and Co KG filed Critical Saurer Germany GmbH and Co KG
Publication of EP2985252A1 publication Critical patent/EP2985252A1/fr
Application granted granted Critical
Publication of EP2985252B1 publication Critical patent/EP2985252B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/003—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to winding of yarns around rotating cylinders
    • 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

Definitions

  • the invention relates to a workstation of a textile machine with a device for detecting an unwanted Fadenwickelsentun on a rotating support roller which is in frictional contact with a take-up reel of a winding device and with a rotatably mounted roller in the vicinity of the support roller, the workstation having a device which sensory detects a rotational movement of the roller and forwards it to a control device, which then controls the workstation as needed.
  • the winding devices of a textile machine include, inter alia, a creel for rotatably supporting a package, a drive means for rotating the package, a Fadenchangier adopted for traversing the run-up on the package yarn and a support roller.
  • drive rollers are often used to drive the package on friction.
  • the iridescent guidance of the thread to be wound is then carried out either via a separate and separately driven, or via a thread guide integrated in the drive roller. If the thread guide integrated into the drive roller, this is referred to as grooved drum.
  • the package can be acted upon directly by a motor.
  • the support roller usually has a smooth surface and supports the defined laying of the thread along the spool axis on the package.
  • the DE 199 41 722 A1 discloses an apparatus for monitoring unwanted filament winding based on the opto-electronic principle.
  • an optical fiber assembly is introduced in the drive roller to be monitored. This optical fiber assembly receives the light emitted from a light emitter and transmits it to a light receiver. If a filament winding forms, the light path between the light transmitter and the light receiver is interrupted.
  • sensors in the form of optoelectronic transducers are arranged in the thread guide groove of the thread guide drum, wherein the shrinkage of the thread between a light transmitter and a light receiver is registered as shading and a corresponding electrical output signal is generated.
  • a capacitive transducer can be used, the capacity of which is changed by the running in of the thread between the capacitor plates of the measuring transducer and a corresponding pulse for confirming the traversing movement is generated.
  • a sensor is fixedly arranged at an invariable distance next to the roller and designed to be capable of oscillating such that a structure-borne noise is generated on contact with the filament winding on the sensor.
  • the structure-borne sound generated at the sensor is detected by a sensor means and converted into a signal.
  • a disadvantage of this approach is that the diameter increase of the package is calculated. This entails the danger that systemic inaccuracies creep in.
  • the DE 10 2007 062 631 A1 discloses another device for monitoring an unwanted yarn package.
  • a stationary, rigid and immovable limiting means is arranged in the vicinity of the roller.
  • a thread winding accumulates between roller and limiting means and causes a braking torque of the roller. This braking torque is detected by the control unit and is considered an indication that a filament winding has occurred.
  • the JP H08-59083 A discloses a device for winding filaments. Filaments are simultaneously wound on a plurality of bobbins, the bobbins being driven by means of a contact roller extending over a plurality of work stations. The threads are changed by means of a number of jobs corresponding number of yarn guides.
  • a roller provided with two flattened, extending over the contact roller and limited rotatably mounted roller is arranged parallel to the contact roller. If a filament winding is created, the roller turns slightly and the end of the flat abuts against a lever, which in turn pushes a pin into a switch. This triggers the shutdown of the workplace.
  • a disadvantage of this device is that the roller must be aligned very precisely parallel to the contact roller in order to detect early and at any point a filament winding can.
  • the roller is arranged too close to the contact roller, it may happen that due to vibrations of the coil frame, the roller falsely abuts against the lever and the corresponding job is stopped without a filament winding is present.
  • Object of the present invention is therefore to enable a fast and reliable detection of unwanted filament winding on rotating support rollers in textile machines.
  • the roller is formed and arranged at least at one point of the traversing range so that it just in a portion of the coil width remains out of contact with the rotating, unwound support roller, an unwanted filament winding, however immediately set the role in rotational movement.
  • a fast and reliable detection of emerging filament winding is achieved by a rotatably arranged roller, which runs very smoothly and near the support roller is arranged. So a barely noticeable thread application on the support roller is sufficient to move the roller in motion.
  • the roller does not have to be aligned parallel to the support roller, but it is sufficient for a punctual proximity to the support roller. Even without a parallel arrangement of the entire roller surface so that an accurate detection of a running thread can be ensured.
  • a sensor monitors the movement of the roller. As soon as a rotational movement or a rotation of the roller is detected, a corresponding signal is sent to a, advantageously workstation-own, control device.
  • the winding process can be interrupted so early, before the filament winding is larger.
  • the roller covers only a certain axial section of the support roller.
  • the roller according to the invention reacts very sensitively and can early indicate a tarnished thread and thus a resulting filament winding.
  • the support roller is formed as a drive roller.
  • the support roller causes the package to rotate by means of friction.
  • the inventive design ensures immediate and reliable detection as soon as a filament winding is created.
  • the support roller is often formed as a grooved drum.
  • Such a grooved drum has a sweeping thread-like groove over its circumference and displaces the yarn along its axis on the package.
  • the thread guide is operated independently of the support roller.
  • the means for sensory detection of the rotation of the roller advantageously comprises a Hall sensor.
  • Such Hall sensors have the advantage that they are simple in construction and low in manufacturing costs. At the same time they are able to react precisely even with slow movements and thus small changes of the magnetic field, so that also slow movements can be better grasped.
  • FIG. 1 shows in side view and FIG. 2 in front view a winding device.
  • a yarn 2 is a moving yarn guide 4, which is reciprocated by means of a yarn guide rod 5, alternately fed via a drive roller 3 a package 1.
  • the take-up reel 1 driving drive roller 3 is mechanically connected to an electric motor 7 for transmitting a drive torque.
  • the motor 7 is connected via the control line 8 to the control device 9, which takes over both the control of the motor 7 and the evaluation of the detected signals of the sensor 10 for detecting a thread winding on the drive roller 3.
  • a roller 6 is arranged at its periphery parallel to its axis.
  • some thread layers run up and close the gap between the drive roller 3 and the roller 6. Then, the roller 6 starts to rotate. This movement is detected by the sensor 10 and transported as a signal to the control device 9, which then interrupts the winding process.
  • FIG. 3 shows an alternative embodiment of the device according to the invention in a simplified front view.
  • the grooved drum 12 crossed on its outer circumference arranged Faden arrangementsnuten 13 for traversing the take-up reel 14 fed yarn 15.
  • the guided in the Faden arrangementsnuten 13 thread 15 is moved from the circumferential grooved drum 12 alternately from one side of the coil to the other side of the coil.
  • the device has a motor 16 which is connected via the control line 17 to the control device 18.
  • the roller 11 In the immediate vicinity of the grooved drum 12, the roller 11 is not arranged in parallel and thus forms a gap.
  • the mode of action is according to the first embodiment.
  • a sensor not to be displayed in front view detects the movement of the roller 11 and forwards the signal to the control device 18.
  • FIG. 4 shows a further embodiment of the solution according to the invention.
  • the roller 19, which extends over the entire length of the grooved drum 12, is formed in a central region so that it only just remains out of contact with the rotating, unwound grooved drum 12 in this central region.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Winding Filamentary Materials (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)

Claims (5)

  1. Poste de travail d'une machine textile comportant un dispositif servant à détecter la formation d'un enroulement de fil indésirable sur un cylindre d'appui en rotation qui se trouve en contact de frottement avec la bobine de renvidage (1, 14) d'un dispositif d'enroulement, comportant un rouleau monté de manière rotative à proximité du cylindre d'appui, où le poste de travail possède un dispositif qui détecte, au moyen d'un capteur, le mouvement de rotation du rouleau (6, 11, 19) et le transmet à un appareil de commande (9, 18), lequel commande ensuite le poste de travail en fonction des besoins,
    caractérisé en ce que
    le rouleau (6, 11, 19) est formé et disposé, en au moins un point de la zone de va- et-vient, de telle manière qu'il reste de justesse, dans une partie de la largeur de bobine, hors de contact du cylindre d'appui en rotation non enroulé, mais qu'un enroulement de fil indésirable met directement le rouleau (6, 11, 19) en mouvement de rotation, et en ce que le rouleau (6, 11, 19) couvre seulement une section axiale définie.
  2. Poste de travail selon la revendication 1 caractérisé en ce que le cylindre d'appui prend la forme d'un cylindre d'entraînement (3).
  3. Poste de travail selon la revendication 1 caractérisé en ce que le cylindre d'appui prend la forme d'un cylindre rainuré (12).
  4. Poste de travail selon la revendication 2 caractérisé en ce que le guide-fil (4) fonctionne de manière indépendante du cylindre d'appui.
  5. Poste de travail selon la revendication 1 caractérisé en ce que le dispositif de détection du mouvement de rotation du rouleau (6, 11, 19) comprend un capteur à effet Hall (10).
EP15002141.8A 2014-08-12 2015-07-17 Dispositif de detection d'un enroulement de fil indesirable Not-in-force EP2985252B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014011937.8A DE102014011937A1 (de) 2014-08-12 2014-08-12 Vorrichtung zum Detektieren einer unerwünschten Fadenwickelbildung

Publications (2)

Publication Number Publication Date
EP2985252A1 EP2985252A1 (fr) 2016-02-17
EP2985252B1 true EP2985252B1 (fr) 2018-10-17

Family

ID=53682399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15002141.8A Not-in-force EP2985252B1 (fr) 2014-08-12 2015-07-17 Dispositif de detection d'un enroulement de fil indesirable

Country Status (5)

Country Link
EP (1) EP2985252B1 (fr)
JP (1) JP6645767B2 (fr)
CN (1) CN105366437B (fr)
DE (1) DE102014011937A1 (fr)
TR (1) TR201819861T4 (fr)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1255544B (de) * 1958-06-11 1967-11-30 Reiners Walter Dr Ing Automatische Spulmaschine
DE3133494C2 (de) * 1981-08-25 1984-11-22 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Opto-elektronische Überwachungsvorrichtung
DE3623678A1 (de) * 1986-07-12 1988-01-28 Sucker & Franz Mueller Gmbh Vorrichtung zum feststellen eines fadenwickels
DE3703869C2 (de) 1987-02-07 1996-12-12 Schlafhorst & Co W Verfahren zum Überwachen und/oder Steuern des Spulvorgangs und Spulstelle zum Ausführen des Verfahrens
DE4225348A1 (de) 1992-07-31 1994-02-03 Schlafhorst & Co W Fadentransport- und -verlegevorrichtung
JPH0859083A (ja) * 1994-08-17 1996-03-05 Murata Mach Ltd 巻取機におけるタッチローラへの糸巻付検出装置
DE19543118A1 (de) * 1994-11-23 1996-05-30 Barmag Barmer Maschf Verfahren und Vorrichtung zur Erkennung einer Fadenaufspulung auf einer rotierenden Walze
DE19941722A1 (de) 1999-09-02 2001-03-08 Schlafhorst & Co W Vorrichtung zum Überwachen einer unerwünschten Fadenwickelbildung auf einer Walze einer Textilmaschine
DE19941723A1 (de) * 1999-09-02 2001-03-08 Schlafhorst & Co W Vorrichtung zum Überwachen einer unerwünschten Fadenwickelbildung auf einer Walze einer Textilmaschine
DE10112679A1 (de) 2000-03-28 2001-10-04 Barmag Barmer Maschf Verfahren und Vorrichtung zur Erkennung eines Fadenwickels
DE102007062631B4 (de) 2007-12-22 2018-07-26 Saurer Germany Gmbh & Co. Kg Vorrichtung zur Überwachung einer unerwünschten Fadenwickelbildung in einer Textilmaschine
JP2013252948A (ja) * 2012-06-07 2013-12-19 Murata Machinery Ltd 繊維機械
JP2014024652A (ja) * 2012-07-27 2014-02-06 Murata Mach Ltd 糸巻取装置
JP2014094786A (ja) * 2012-11-07 2014-05-22 Murata Mach Ltd 綾振装置およびこれを備えた巻取装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2985252A1 (fr) 2016-02-17
DE102014011937A1 (de) 2016-02-18
JP2016040200A (ja) 2016-03-24
CN105366437A (zh) 2016-03-02
CN105366437B (zh) 2018-03-27
TR201819861T4 (tr) 2019-01-21
JP6645767B2 (ja) 2020-02-14

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