WO2019170673A1 - Procédé de contrôle et dispositif de contrôle pour l'analyse d'une bobine de fil enroulée - Google Patents

Procédé de contrôle et dispositif de contrôle pour l'analyse d'une bobine de fil enroulée Download PDF

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Publication number
WO2019170673A1
WO2019170673A1 PCT/EP2019/055445 EP2019055445W WO2019170673A1 WO 2019170673 A1 WO2019170673 A1 WO 2019170673A1 EP 2019055445 W EP2019055445 W EP 2019055445W WO 2019170673 A1 WO2019170673 A1 WO 2019170673A1
Authority
WO
WIPO (PCT)
Prior art keywords
thread
bobbin
yarn
coil
test method
Prior art date
Application number
PCT/EP2019/055445
Other languages
German (de)
English (en)
Inventor
Elmar Osthues
Tim Cwiekala
Original Assignee
Oerlikon Textile Gmbh & 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 & Co. Kg filed Critical Oerlikon Textile Gmbh & Co. Kg
Priority to DE112019001142.1T priority Critical patent/DE112019001142A5/de
Publication of WO2019170673A1 publication Critical patent/WO2019170673A1/fr

Links

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
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/02—Methods or apparatus in which packages do not rotate
    • 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
    • B65H63/006—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package quality control of the package
    • 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
    • B65H63/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to excessive tension or irregular operation of apparatus
    • 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
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • 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 test method for analyzing a wound yarn package according to the preamble of claim 1 and to a test apparatus for analyzing a wound yarn package according to the preamble of claim 9.
  • a generic test method and a generic test device for analyzing a wound bobbin proceed from JP 2000-191238 A2 ago.
  • threads In the production and further processing of threads, these are usually wound up into thread bobbins for intermediate storage.
  • the thread bobbins are then used in a subsequent process to provide the thread, in order to be able to carry out further processing, for example.
  • the synthetic threads produced in a melt spinning process are wound up at the end of the melting process into thread bobbins, which are then used as supply bobbins in a texturing process for texturing the thread.
  • the filament is deposited when a filament bobbin is wound in such a way that it can be pulled off from the filament bobbin as uniformly as possible and with a constant filament tension in a subsequent process.
  • image windings when unwinding the thread bobbins lead to flow disturbances.
  • a double stroke while a complete reciprocating motion of the traversing yarn guide is called for laying the thread.
  • This object is achieved with a test method in that is detected as a coil parameters, an image of a mantle surface of the bobbin with a camera.
  • the solution results from the fact that the measuring device has a camera which is directed onto a mantle surface of the yarn package.
  • the invention has the particular advantage that the thread layers lying on the mantle surface are detected directly before the thread is withdrawn. the.
  • a visual appearance of the coil surface can be detected and analyzed.
  • the measuring device has a camera which is aligned with the mantle surface of the thread bobbin.
  • one or more photocells can be used to take images of the lateral surfaces with the respective characteristic thread trays.
  • the actual state of Fa denablagen on the circumference of the coil is detected and evaluated in terms of misfeeds off.
  • the development of the invention is particularly advantageous, in which a coil diameter of the thread bobbins is measured as a further coil parameters.
  • the diameter of the bobbin of the bobbin when the thread is removed changes continuously and thus also the thread trays which are visible on the mantle surface.
  • a deposit pattern of the mantle surface of the bobbin as a function of the respective spool diameter can be detected and evaluated with the image.
  • the Messeinrich device on a distance sensor, which is connected together with the camera with a Schmana lysis unit.
  • the image of the deposition patterns generated by the camera can be analyzed as a function of the respective coil diameter.
  • the coil width and the coil shape can be detected. This allows unwanted bulges of Fadenspu le or so-called Abeller the thread on the coil edge of the bobbin erfas sen.
  • the measuring device has a scale for measuring a bobbin weight of the thread coil, wherein the balance is integrated in the receiving device and is connected to a measuring electronics unit. This makes it possible to detect a package density via the weight decrease of the thread bobbin during the removal of the thread and the bobbin diameter. Moreover, by a relation of the coil weight of the thread bobbin to a withdrawal length of the thread additionally a thread titer can be determined.
  • the trigger device preferably before a godet unit with a driven godet and a Absau tion, wherein a drive of the godet is connected to the measuring electronics unit and wherein the measuring electronics has a timer.
  • a defi ned withdrawal speed can be adjusted by the drive of the godet.
  • the thread is pulled off according to an advantageous embodiment of the invention axially from the fixed yarn bobbin of the godet and taken up by a suction.
  • Such an axial withdrawal of the thread from the thread bobbin corresponds to the ratio in a further processing process.
  • the Fadenspu len are held to several on a godet frame.
  • the receiving device has a Aufsteckdom and a spaced apart from the Aufsteckdom axially aligned thread guide, so that the thread is axially removable from the thread bobbin.
  • the measuring device furthermore has a lint sensor in order to measure the number of lint on the yarn as a further quality feature.
  • the thread take-off is preferably at a Abzuggeschwindig speed in the range of 800 m / min. up to 1,500 m / min. deducted from the bobbin. This area covers most of the finishing processes in which a Fa is subtracted from a supply spool, for example during texturing.
  • a thread bmchsensor for monitoring the thread is arranged between the godet unit and the suction. This essentially checks the presence of the thread.
  • test method according to the invention and the test device according to the invention are therefore particularly suitable for improving both the winding of thread bobbins and the removal of bobbins with regard to uniformity.
  • the interactions between the winding of the coil and the withdrawal of the coil can be advantageously determined in this case in particular by the image analysis.
  • the test method for analyzing a wound bobbin will be explained in more detail below with reference to some embodiments of the test device according to the invention with reference to the accompanying figures.
  • FIG. 1 shows schematically a view of a first embodiment of inventions to the invention test device for analyzing a wound bobbin
  • FIG. 2 is a schematic view of another embodiment of the inventions to the invention test device for analyzing a wound bobbin
  • FIG. 1 schematically shows a view of a first exemplary embodiment of the test device according to the invention for analyzing a yarn package.
  • the embodiment has a coil receiving device 5, a deduction device 6, a measuring device 7 and an evaluation computer 8.
  • the bobbin receiving device 5 is used to hold a bobbin 1.
  • the bobbin 1 is attached to a support sleeve 4 on a Aufsteckdom 5.1.
  • the Aufsteckdom 5.1 is cantilevered to a support frame 5.2 held.
  • the bobbin 1 is held firmly on the Aufsteckdom 5.1, the bobbin 1 is held at a distance freely in the environment.
  • the draw-off device 6 has a godet unit 6.1.
  • the godet unit 6.1 is formed by a drive ne godet 6.2 and a freely rotatable guide roller 6.4.
  • the godet 6.2 is associated with a drive 6.3.
  • the deflection roller 6.4 is freely rotatable, so that a run on the godet unit 6.1 thread 2, the godet 6.2 and the guide roller 6.4 wraps around several times.
  • the godet unit 6.1 is associated with a thread guide 6.6, which is located at a height of the Aufsteckdomes 5.1 and at a distance from a free end of the Aufsteckdomes 5.1 is held.
  • the thread 2 is thus withdrawn axially from the thread bobbin 1.
  • the yarn guide 6.6 preferably has a guide eye.
  • a suction 6.5 On a drain side of the godet unit 6.1 is associated with a suction 6.5.
  • the suction 6.5 is connected via a hose line (not shown here) with a waste container.
  • the measuring device 7 has a camera 7.1, which is held at a distance from a jacket surface 3 of the thread bobbin 1.
  • the camera 7.1 is connected to an image analysis unit 7.3.
  • a distance sensor 7.2 is arranged, which detects the relevant mantle surface 3 in order to detect a coil diameter of the yarn package 1.
  • the distance sensor 7.2 is preferably designed by a laser distance sensor.
  • the distance sensor 7.2 is also connected to the image analysis unit 7.3.
  • the measuring device 7 has a yarn tension sensor 7.4 and a lint sensor 7.5.
  • the thread tension sensor 7.4 and the lint sensor 7.5 are coupled to a measuring electronics unit 7.7.
  • the measuring electronics unit 7.7 is also connected to the drive 6.3 of the godet unit 6.1.
  • a yarn breakage sensor 7.6 is provided to monitor the yarn withdrawal from the yarn package 1 is between the Galet tentician 6.1 and the suction 6.5 .
  • the yarn break detector 7.6 is also coupled to the electronic measuring unit 7.7.
  • the measurement electronics unit 7.7 and the image analysis unit 7.3 are connected to an evaluation computer 8.
  • the evaluation computer 8 can preferably also be combined with an output device for documenting.
  • a thread bobbin 1 is first attached to the Aufsteckdom 5.1 of Spulenaufhahme Road 5.
  • a thread 2 of the bobbin 1 is threaded into the yarn guide 6.6 and the sensors 7.4 and 7.5 and applied to the godet unit 6.1.
  • the Ga lettentician 6.1 is activated to continuously withdraw the thread 2 from the bobbin 1 and discharged through the suction 6.5.
  • the galette 6.2 is driven by the drive 6.3 with a predetermined by the measuring electronics unit 7.7 to catch speed.
  • the thread 2 is preferably at a withdrawal speed in the range of 800 m / min. up to 1,500 m / min. withdrawn axially from the thread bobbin 1.
  • the mantle surface 3 of the yarn package 1 is detected by the camera 7.1.
  • one or more images of deposition patterns of the thread on the mantle surface 3 can be generated and supplied by the camera to the image analysis unit.
  • the mo mentane bobbin diameter is detected by the distance sensor 7.2 and also supplied to the image analysis unit 7.3.
  • each coil diameter of the thread bobbin 1 is assigned to at least one deposition pattern of the thread on the mantle surface 3.
  • the images of the deposition patterns are analyzed with respect to irregularities and in particular with regard to image windings.
  • the coil width and the coil shape are evaluated.
  • the measurement data are then fed from the image analysis unit to the evaluation computer 8.
  • the evaluation computer 8 a separate representation of the deposition pattern or a link with other measurement data of coil parameters and / the Abzugsparametem done.
  • the measuring signals are fed to the electronic measuring unit 7.7.
  • the quality of the thread is monitored via the lint sensor 7.5.
  • a number of lint per unit time or per unit length of the withdrawn yarn is detected and fed to the measurement electronics unit. As lint are to be evaluated as occurring on the thread filament breaks.
  • the measurement data obtained by the yarn tension sensor 7.4 and the lint sensor 7.5 are supplied to the evaluation computer 8 by the measurement electronics unit 7.7.
  • the evaluation computer 8 at least one or meh rere evaluation programs are stored, which combine, for example, the visual Messda th with the physical measurement data.
  • So conclusions about possible causes of thread tension fluctuations can be found out. For example, a picture winding or a so-called stripper at the edge of the coils leads to an uneven thread tension. This information about interactions is particularly advantageous in order to improve both the winding process during winding of the bobbin and the subsequent withdrawal process in the further processing of the thread.
  • the visual Mess Schemefas solution by the camera 7.1 also the flow behavior of the yarn from the mantle surface 3 of the yarn package 1 can be observed. The effects of image windings and decoys on the run-off behavior of the thread are thus immediately visible.
  • the measurement data are supplied to the evaluation computer 8 via a network.
  • this network can also advantageously be realized by a wireless connection.
  • the measuring device 7 additionally has a scale 7.8.
  • the balance 7.8 is integrated in the receiving device 5 in such a way that a package weight and thus a weight loss of the thread bobbin 1 during the removal of the thread 2 from the thread bobbin 1 is detected.
  • the balance 7.8 is coupled to the measuring electronics unit 7.7.
  • the electronic measuring unit 7.7 has a timer 7.9, which determines a withdrawal length of the thread 2 from the predefined reliesge speed of the godet 6.2.
  • the measurement data are supplied to the evaluation computer 8 by the measurement electronics unit 7.7.
  • the bobbin weight of the bobbin can also be related to the respective bobbin diameter.
  • the uniformity of the coil density over the entire increase of the coil can be checked.
  • the test method according to the invention and the test device for analyzing a thread bobbin according to the invention are therefore suitable for determining information about the game characteristics, coil geometry, coil deformation, take-up settings including mirror interference for avoiding image windings and drainage behavior.
  • the evaluation computer may have a number of measurement programs in order to determine the supplied measurement data of the coil parameters, such as, for example, the images thread layer, the package weight, the package diameter and / or the withdrawal parameter such. To evaluate and analyze the thread tension, the number of fluff.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Textile Engineering (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne un procédé de contrôle et un dispositif de contrôle pour l'analyse d'une bobine de fil enroulée. Un fil (2) est extrait en continu de la bobine de fil et au moins un paramètre de bobine et/ou un paramètre d'extraction sont mesurés parallèlement à l'extraction du fil. Pour déterminer l'influence d'un dépôt du fil dans la bobine de fil lors de l'extraction du fil, une représentation d'une surface d'enveloppe (3) de la bobine de fil est détectée au moyen d'une caméra (7.1), en tant que paramètre de bobine selon l'invention. Le dispositif de mesure comprend à cette fin une caméra, qui est orientée vers la surface d'enveloppe de la bobine de fil.
PCT/EP2019/055445 2018-03-07 2019-03-05 Procédé de contrôle et dispositif de contrôle pour l'analyse d'une bobine de fil enroulée WO2019170673A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112019001142.1T DE112019001142A5 (de) 2018-03-07 2019-03-05 Prüfverfahren und Prüfvorrichtung zur Analyse einer gewickelten Fadenspule

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018001824 2018-03-07
DE102018001824.6 2018-03-07

Publications (1)

Publication Number Publication Date
WO2019170673A1 true WO2019170673A1 (fr) 2019-09-12

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ID=65686872

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/055445 WO2019170673A1 (fr) 2018-03-07 2019-03-05 Procédé de contrôle et dispositif de contrôle pour l'analyse d'une bobine de fil enroulée

Country Status (2)

Country Link
DE (1) DE112019001142A5 (fr)
WO (1) WO2019170673A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113003313A (zh) * 2021-03-02 2021-06-22 刘超 一种具有裁切机构的纺织绕线机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0650915A1 (fr) * 1993-10-29 1995-05-03 Zellweger Luwa Ag Dispositif pour contrôler la qualité de l'enroulement de bobines de fil et utilisation du dispositif dans un bobinoir ou un métier à filer
WO2000021866A2 (fr) * 1998-10-09 2000-04-20 Barmag Ag Procede de devidage continu d'un fil
JP2000191238A (ja) 1998-10-23 2000-07-11 Toray Ind Inc 糸条パッケ―ジの検査装置
DE20218115U1 (de) * 2002-11-22 2004-04-01 Autefa Automation Gmbh Vermessungseinrichtung für Filamentspulen
WO2007098776A1 (fr) * 2006-02-24 2007-09-07 SSM Schärer Schweiter Mettler AG Procede et dispositif pour classer la qualité d'une bobine de fil

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0650915A1 (fr) * 1993-10-29 1995-05-03 Zellweger Luwa Ag Dispositif pour contrôler la qualité de l'enroulement de bobines de fil et utilisation du dispositif dans un bobinoir ou un métier à filer
WO2000021866A2 (fr) * 1998-10-09 2000-04-20 Barmag Ag Procede de devidage continu d'un fil
JP2000191238A (ja) 1998-10-23 2000-07-11 Toray Ind Inc 糸条パッケ―ジの検査装置
DE20218115U1 (de) * 2002-11-22 2004-04-01 Autefa Automation Gmbh Vermessungseinrichtung für Filamentspulen
WO2007098776A1 (fr) * 2006-02-24 2007-09-07 SSM Schärer Schweiter Mettler AG Procede et dispositif pour classer la qualité d'une bobine de fil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113003313A (zh) * 2021-03-02 2021-06-22 刘超 一种具有裁切机构的纺织绕线机

Also Published As

Publication number Publication date
DE112019001142A5 (de) 2020-11-12

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