EP1577241B1 - Dispositif de marquage pour une bande de matériau - Google Patents

Dispositif de marquage pour une bande de matériau Download PDF

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Publication number
EP1577241B1
EP1577241B1 EP05101122A EP05101122A EP1577241B1 EP 1577241 B1 EP1577241 B1 EP 1577241B1 EP 05101122 A EP05101122 A EP 05101122A EP 05101122 A EP05101122 A EP 05101122A EP 1577241 B1 EP1577241 B1 EP 1577241B1
Authority
EP
European Patent Office
Prior art keywords
marking
material web
writing device
marking unit
unit according
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
EP05101122A
Other languages
German (de)
English (en)
Other versions
EP1577241A2 (fr
EP1577241A3 (fr
Inventor
Rudolf Münch
Egon Bild
Siegfried Daum
Joerg Maurer
Tobias Wanke
Werner Reichert
Wolfgang Klotzbuecher
Josef Wigand
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1577241A2 publication Critical patent/EP1577241A2/fr
Publication of EP1577241A3 publication Critical patent/EP1577241A3/fr
Application granted granted Critical
Publication of EP1577241B1 publication Critical patent/EP1577241B1/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
    • B65H18/00—Winding webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/02—Function indicators indicating an entity which is controlled, adjusted or changed by a control process, i.e. output
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/511—Processing surface of handled material upon transport or guiding thereof, e.g. cleaning
    • B65H2301/5111—Printing; Marking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/115—Details of cross-section or profile other
    • B65H2404/1152—Markings, patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/512—Marks, e.g. invisible to the human eye; Patterns
    • 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
    • B65H2701/10—Handled articles or webs
    • B65H2701/12—Surface aspects
    • B65H2701/124—Patterns, marks, printed information

Definitions

  • the invention relates to a marking unit for marking a material web which can be wound onto a winding core by means of a winding device, and to a corresponding marking method for this purpose.
  • a disadvantage of the known mechanical methods is that the manual application of the frontal line (marking) is dangerous for the operator due to the proximity to the rotating roller. Furthermore, the reproducibility of the manual marking is highly dependent on the operator's ability. In addition, the manual methods are not prophylactic applicable, since these can only be determined in the wake of the obtained winding quality.
  • a marking unit comprising a writing device for marking a material web, which can be wound onto a winding core by means of a winding device and wherein the marking device has a signal generator which is in operative connection with the winding core of the winding device, so that the signal generator depends on the Rotation of the winding core, a clock signal can be output, based on the writing device sets a mark on the web.
  • the invention thus proposes a device for automatically marking the material web to be wound or wound onto a winding core.
  • the inventive solution thus ensures a high reproducibility. Furthermore, according to the invention, it is no longer necessary for the markings to be set by a person who thereby risks himself due to the proximity to the rotating roll.
  • the signal generator outputs a clock signal to the writing device.
  • the signal generator is mounted in such a way that a clock signal is output at each completed revolution of the winding core. But it is also conceivable that a clock signal is output every half or quarter turn of the center of rotation of the winding core.
  • the signal generator is arranged in the center of rotation of the winding core.
  • the writing device is arranged in such a way to the material web, that the marking on the front side of the material web can be applied.
  • the writing device can be arranged relative to the winding device.
  • the winding device has a pressure roller which forms a nip with the roller, and that the writing device is arranged in front of the nip with respect to the direction of movement of the material web.
  • the writing device is arranged such that through this the already wound material web is markable, ie the writing device is arranged with respect to the direction of movement of the web behind the nip. Behind the nip, the train already pulling on the material web before the nip has already partially broken down.
  • the shape of this pattern for example the J-line, is thus determined in a different relationship from the web tension than when marking the material web in front of the nip.
  • Another embodiment of the invention is a writing device arranged in the region of the nip, whereby the shape of the pattern, for example the J-line, is again influenced to some extent by the web tension and the force effect in the nip than in the aforementioned "application locations".
  • the writing device is far away from the winding device, for example, arranged at the end of the dryer section.
  • the factors mentioned above are different in the shape of the pattern formed, for example, the J-line, a.
  • each writing device in this case generates a separate pattern in parallel with the other writing devices, for example the J-line. In this case, it makes sense to output the same clock signal to the respective marking of the material web to the several writing devices.
  • J-lines these may, for example, have different colors.
  • a writing device is arranged in front of the nip
  • web tension changes and, for example, force action of the nip on the material web are in the form of the pattern, for example the J-line
  • a writing device arranged on the nip in this case the shape of the nip
  • the web tension in a different ratio so can be drawn from the difference between the two generated by the writing devices in front of and behind the nip pattern, for example. J-lines, to train changes around the pressure roller ,
  • the marking unit In order to be able to judge the markings set by the writing unit already during operation, ie in the rotating state of the roll, it makes sense if the marking unit has a sensor unit which detects the markings applied by the writing unit and forming a pattern on the roll.
  • the markers may hereby form a pattern in the form of a J-line.
  • an optical sensor such as a camera or a camera system may be considered as the sensor unit.
  • the sensor unit is connected to an evaluation unit, wherein sensor signals can be output to the evaluation unit by the sensor unit on the basis of the detected markings.
  • the evaluation unit makes sense for the evaluation unit to compare the pattern detected by the sensor unit, for example J-lines, with reference patterns, for example reference J-lines.
  • a particularly preferred embodiment of the invention therefore provides that the evaluation unit compares the received sensor signals with reference signals and outputs evaluation signals based thereon.
  • those which are particularly "good” or particularly "bad” J lines can be considered as reference lines.
  • reference lines For example, from certain forms of the J-lines direct conclusions can be drawn on certain winding defects.
  • the evaluation unit In order to make the information evaluated by the evaluation unit available for the current production process, i. In order to be able to act on the winding process, for example, in the event of "degeneracy" of the J line and to be able to correct already suggestive winding faults early, it makes sense if the evaluation unit is connected to a control unit, by which parameters of the winding device and / or or one or more of the winding device upstream sections of the web-processing machine are controllable, wherein from the evaluation unit to the control unit evaluation signals can be output.
  • parameters are, for example, winding hardness of the roll and / or web tension and / or force (line force) of the nip roll and pressure roller into consideration.
  • the resulting patterns for example j-lines, are evaluated simultaneously by the evaluation unit and evaluation signals are output to the control unit.
  • the control unit outputs control signals to one or more sections of the web-processing machine and to the winding device on the basis of these evaluation signals, that is to say, for example, depending on the shape of the J lines or to obtain a desired shape of the J lines Winding process important parameters are controlled.
  • FIG. 1 shows a marking unit 1 in connection with a winding device 10.
  • the marking unit 1 has a first writing device 2, a second writing device 3, a signal generator 4 and a sensor unit in the form of a camera 5.
  • the winding device 10 has a winding core in the form of a spool s 11 and a pressure roller 12.
  • a material web in the form of a fibrous web 20 is already wound up to a certain thickness D on the spool 11, wherein the spool 11 and wound part of the fibrous web 20 together form a roller 13.
  • the roller 13 and the pressure roller 12 are pressed against each other to form a line force generating nip 16.
  • the writing device 2 is arranged in front of the nip 16 with respect to the direction of movement 15 of the fibrous web 20.
  • the writing device 3 is arranged behind the nip 16 in relation to the direction of movement 15 of the fibrous web 20.
  • the signal generator 4 is arranged in the center of rotation 14 of the main cylinder 11 and, in the present exemplary embodiment, outputs a clock signal 6 'to a control unit 7 at each full revolution of the main drum 11, which in turn simultaneously outputs a clock signal 6 "to both writing devices 2, 3 and the camera 5
  • the clock signal 6 'generated by the signal generator 4 is first conducted to a control unit 7 and from this a clock signal 6 "is distributed to the two writing devices 2, 3 and the camera 5.
  • the signal generator 4 outputs 5 clock signals 6 directly to the writing devices 2,3 and the camera.
  • a lateral mark 21,22 is applied to the end face of the fibrous web 20 at the completion of a full revolution of the main cylinder 11, so that in the result by the markers 21 and 22 on the end face of the roller 13 patterns in shape the two illustrated J-lines 23 and 24 arise.
  • the markers 21 and thus the J-line 23 are hereby generated by the writing device 2.
  • the J-lines 23 and 24 are detected by the camera 5, which is directed to the end face of the roller 13.
  • the camera 5 outputs a sensor signal 9 to an evaluation unit 8 connected to it.
  • the sensor signal 9 is evaluated in the evaluation unit 8 by being compared, for example, with reference signals 25 of "good” and / or "bad" J lines.
  • Based on the evaluation o.g. Sensor 9 and reference signals 25 are the evaluation unit 8 evaluation signals 17 to a connected to her control unit 18, which in turn outputs control signals 19 to the winding device 10 and / or on the winding device upstream sections of the web-processing machine for influencing the winding parameters.
  • the marking unit described and the marking method described are not limited to use in the winding of fibrous webs. Rather, the marking unit according to the invention and the marking method according to the invention in the winding of all types of sheet-like materials such as. Foils, sheets and the like. Applicable.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Winding Of Webs (AREA)

Claims (14)

  1. Dispositif de marquage (1) avec un dispositif d'écriture (2, 3) pour le marquage (21, 22) d'une bande de matériau (20) qui peut être enroulée en une bobine (13) sur un noyau d'enroulement (11) au moyen d'un dispositif d'enroulement (10), caractérisé en ce que le dispositif de marquage (1) présente un générateur de signal (4), qui est en liaison active avec le noyau d'enroulement (11) du dispositif d'enroulement (10), dans lequel un signal d'impulsion (6) peut être émis par le générateur de signal (4), en fonction de la rotation du noyau d'enroulement (11), sur la base duquel le dispositif d'écriture (2, 3) appose un marquage (21, 22) sur la bande de matériau (20).
  2. Dispositif de marquage selon la revendication 1, caractérisé en ce qu'un signal d'impulsion (6) est envoyé au dispositif d'écriture (2, 3) par le générateur de signal (4) à chaque révolution complète du noyau d'enroulement (11).
  3. Dispositif de marquage selon l'une quelconque des revendications 1 à 2, caractérisé en ce que le générateur de signal (4) est disposé au centre de rotation (14) du noyau d'enroulement (11).
  4. Dispositif de marquage selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif d'écriture (2, 3) est disposé d'une telle manière par rapport à la bande de matériau (20) que le marquage (21, 22) puisse être apposé sur la face frontale de la bande de matériau.
  5. Dispositif de marquage selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le dispositif d'enroulement (11) présente un rouleau de pression (12), qui forme une ligne de contact (16) avec la bobine (13), et en ce que le dispositif d'écriture (2, 3) est disposé avant la ligne de contact (16) par rapport au sens de déplacement (15) de la bande de matériau (20).
  6. Dispositif de marquage selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le dispositif d'écriture (2, 3) est disposé de telle manière que la bande de matériau déjà enroulée (bobine 13) puisse être marquée par celui-ci.
  7. Dispositif de marquage selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le dispositif de marquage (1) présente plusieurs dispositifs d'écriture (2, 3), qui sont disposés en différentes positions.
  8. Dispositif de marquage selon la revendication 7, caractérisé en ce qu'un signal d'impulsion (6) est envoyé simultanément aux multiples dispositifs d'écriture (2, 3) pour le marquage respectif (21, 22) de la bande de matériau (20).
  9. Dispositif de marquage selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le dispositif de marquage (1) présente une unité de capteur (5), qui détecte les marquages (21, 22) apposés par le dispositif d'écriture (2, 3) et formant un motif (23, 24) sur la bobine (13).
  10. Dispositif de marquage selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le dispositif de marquage (1) présente une unité de régulation (7), dans lequel l'unité de capteur (5) et/ou ledit au moins un dispositif d'écriture (2, 3) sont régulés au moyen de l'unité dé régulation (7) sur la base du signal d'impulsion (6) émis par le générateur de signal (4).
  11. Dispositif de marquage selon l'une quelconque des revendications 9 à 10, caractérisé en ce que l'unité de capteur (5) est reliée à une unité d'évaluation (8), dans lequel des signaux de capteur (9) sont envoyés à l'unité d'évaluation (8) par l'unité de capteur (5) sur la base du motif détecté (23, 24).
  12. Dispositif de marquage selon la revendication 11, caractérisé en ce que l'unité d'évaluation (8) est reliée à une unité de commande (18), par laquelle des paramètres du dispositif d'enroulement (10) et/ou des sections de la machine de traitement de bande montées avant le dispositif d'enroulement (10) et/ou au moins un dispositif d'écriture (2, 3) sont commandés, dans lequel des signaux d'évaluation (19) sont envoyés à l'unité de commande (18) par l'unité d'évaluation (8).
  13. Dispositif de marquage selon l'une quelconque des revendications 11 à 12, caractérisé en ce que l'unité d'évaluation (8) compare les signaux de capteur reçus (9) avec des signaux de référence (25) et émet sur cette base des signaux d'évaluation (17).
  14. Procédé de marquage d'une bande de matériau (20) qui est enroulée en une bobine (13) sur un noyau d'enroulement (11) au moyen d'un dispositif d'enroulement (10), comprenant les étapes suivantes:
    - envoi d'un signal d'impulsion (6) à un dispositif d'écriture (2, 3) par un générateur de signal (4) se trouvant en liaison active avec le noyau d'enroulement (11) du dispositif d'enroulement (10) en fonction de la rotation du noyau d'enroulement (11),
    - apposition d'un marquage (21, 22) sur la bande de matériau (20) au moyen du dispositif d'écriture (2, 3) sur la base du signal d'impulsion reçu (6).
EP05101122A 2004-03-16 2005-02-15 Dispositif de marquage pour une bande de matériau Not-in-force EP1577241B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004012727A DE102004012727A1 (de) 2004-03-16 2004-03-16 J-Linie
DE102004012727 2004-03-16

Publications (3)

Publication Number Publication Date
EP1577241A2 EP1577241A2 (fr) 2005-09-21
EP1577241A3 EP1577241A3 (fr) 2007-10-10
EP1577241B1 true EP1577241B1 (fr) 2011-06-29

Family

ID=34833131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05101122A Not-in-force EP1577241B1 (fr) 2004-03-16 2005-02-15 Dispositif de marquage pour une bande de matériau

Country Status (4)

Country Link
US (1) US7353754B2 (fr)
EP (1) EP1577241B1 (fr)
AT (1) ATE514646T1 (fr)
DE (1) DE102004012727A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108931531B (zh) * 2017-05-24 2021-10-22 香港纺织及成衣研发中心 一种织物疵点自动检测方法、系统和计算机可读存储介质
US20230240192A1 (en) * 2022-01-27 2023-08-03 Deere & Company Net wrap roll with lift hook location markings

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828156A (en) * 1987-10-08 1989-05-09 Ncr Corporation Web monitoring system
DE3913131A1 (de) 1989-04-21 1990-10-25 Hoechst Ag Verfahren und vorrichtung zum aufwickeln einer folienbahn
GB2308098B (en) * 1995-07-31 1998-10-21 Tohoku Riko Kk Stencil and stencil perforating device
DE19821318A1 (de) * 1998-05-13 1999-11-25 Voith Sulzer Papiertech Patent Verfahren zum Überwachen der Wickelhärte einer Wickelrolle
JP2000219368A (ja) * 1999-02-01 2000-08-08 Mitsubishi Heavy Ind Ltd ロール紙の巻硬さ検出方法及び巻取り方法

Also Published As

Publication number Publication date
DE102004012727A1 (de) 2005-10-06
EP1577241A2 (fr) 2005-09-21
EP1577241A3 (fr) 2007-10-10
US20050211817A1 (en) 2005-09-29
US7353754B2 (en) 2008-04-08
ATE514646T1 (de) 2011-07-15

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