EP1499550A1 - Device for preparing a reel of material - Google Patents

Device for preparing a reel of material

Info

Publication number
EP1499550A1
EP1499550A1 EP03727181A EP03727181A EP1499550A1 EP 1499550 A1 EP1499550 A1 EP 1499550A1 EP 03727181 A EP03727181 A EP 03727181A EP 03727181 A EP03727181 A EP 03727181A EP 1499550 A1 EP1499550 A1 EP 1499550A1
Authority
EP
European Patent Office
Prior art keywords
inspection
roll
material roll
peripheral surface
projected
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
EP03727181A
Other languages
German (de)
French (fr)
Other versions
EP1499550B1 (en
Inventor
Andreas Josef Kleinschnitz
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1499550A1 publication Critical patent/EP1499550A1/en
Application granted granted Critical
Publication of EP1499550B1 publication Critical patent/EP1499550B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/105—Opening of web rolls; Removing damaged outer layers; Detecting the leading end of a closed web roll
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4176—Preparing leading edge of replacement roll
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/4606—Preparing leading edge for splicing
    • B65H2301/46075—Preparing leading edge for splicing by adhesive tab
    • 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
    • B65H2511/514—Particular portion of element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/42—Cameras
    • 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
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1313—Edges trailing edge

Definitions

  • the invention relates to a device for preparing a roll of material according to the preamble of claim 1.
  • a flying roll change of the material rolls used, namely the paper rolls, is necessary in order to enable continuous production without machine downtime.
  • the continuous gluing i.e. the gluing of a new roll to the running roll must be carried out at recurring intervals depending on the printing speed and capacity of the individual roll.
  • the run-off time of a roll with a diameter of 127 cm at a printing speed of 25 m / s is, for example, approx. 17 min, from which it follows that the operating personnel has to change the roll almost four times an hour.
  • DE 195 43 246 A1 describes a device for controlling coils, a position of the running roll being detected with light-sensitive sensors.
  • DE 296 02 098 U1 describes a reel changer which is provided with an image recognition system for security monitoring.
  • the invention has for its object to provide a device for preparing a roll of material.
  • the type of inspection device is basically arbitrary.
  • a camera system for example with a digital camera, is provided in the inspection device, with which the peripheral surface of the material roll can be at least partially captured.
  • the image data of the camera system can then be compared in an electronic data processing system by pattern comparison with target data that describe the target position of the recorded flat structures.
  • a projection device can also be provided, with which predetermined flat structures can be projected onto the peripheral surface of the material roll.
  • the resolution of these structures can be projected onto the peripheral surface of the material roll by at least 0.2 mm, in particular with a resolution of 0.12 mm.
  • the projection device can be designed in any way, as long as the structures to be projected are sufficiently clear and selective on the peripheral surface of the material roll. It is particularly advantageous if the projection device has at least one laser unit, the laser beam of which can be directed onto the circumferential surface of the material roll, since laser light enables excellent imaging quality. Since the laser beam generates only one light spot on the peripheral surface, the laser beam must be deflectable in such a way that the laser beam sweeps over the peripheral surface of the roll of material in accordance with the structure to be projected. In other words, this means that the light point projected by the laser unit onto the peripheral surface corresponding to the desired structure to be imaged sweeps over the surface of the material roll with a certain repetition frequency and thereby draws the desired image. If the repetition frequency is selected to be sufficiently high to sweep over the structure, the result of the inertia of the human eye is a visual impression which corresponds to an image of the desired structure as a whole.
  • the laser beam should preferably sweep over the structure to be projected on the circumferential surface of the material roll at a frequency of at least 30 Hertz, since this results in a largely flicker-free image of the desired structure on the Circumferential surface results that can be easily recognized by the operating personnel.
  • an image projector can also be used as the projection device, with which suitable structural images can be projected onto the peripheral surface.
  • a slide projector with which structural images displayed on slides can be projected onto the material roll.
  • one of the desired structures would have to be represented as a structural image, for example by photographic recording.
  • computer image projectors so-called “projectors”, can also be used.
  • the image signals of a standard PC for example according to the VGA standard, can be processed and projected onto an image plane.
  • the structures to be imaged could thus be constructed in a simple manner on a PC and then immediately projected onto the material roll using the computer image projector.
  • a laser unit there is extremely great flexibility when using a computer image projector, since the projected structures can be changed at any time and with little effort by simply changing the transmitted data.
  • a CAD work station should be connectable to the projection device.
  • the data for describing the predetermined flat structures can be generated in a simple manner at the CAD work station, for example using a 2D construction program, and then via a data interface as data for describing the structure to be projected to the projection device, for example to the laser unit or at one Computer image projector to be transmitted.
  • the curvature of the circumferential surface in the circumferential direction can lead to distortions when projecting the desired structure.
  • known conversion methods can in principle be used, so that the data for the description of the predetermined flat structure depending on the diameter of the material roll is converted into the data for the description of the projecting structure for the projection device. As a result, such a conversion enables a distortion-free projection of the desired structure to be achieved.
  • the only drawing shows a schematically represented device in front view.
  • a device 01 for manual preparation of a material roll 02 to be used in a flying roll change, for. B. a paper roll 02 is shown.
  • the material roll 02 is by means of conveyor devices, not shown, to the frame that from the two columns 03; 04 is formed, promoted and here in its central axis on the mandrels 06; 07 clamped in a defined position. After clamping the material roll 02, the operating staff removes the uppermost layer of the material roll 02 in order to eliminate damage.
  • the beginning of the web of material roll 02 must be cut in a V-shape.
  • a combined inspection and projection device 08 is provided on the device 01, which is fixed to the frame on a crossbar 09 above the material roll 02.
  • the combined inspection and projection device 08 On the underside of the combined inspection and projection device 08 is one Opening provided from which a laser beam 12 generated by a laser unit arranged in the interior of the combined inspection and projection device 08 can emerge and is projected onto the peripheral surface 13 of the material roll 02.
  • the laser beam 12 is then deflected at a frequency of 30 Hertz in such a way that the light spot of the laser beam 12 projected onto the peripheral surface 13 extends the peripheral surface 13 along the desired V-shaped structure of the web start to be produced sweeps. This allows the operating personnel to find the desired cutting line immediately without any additional aids and to cut the start of the web in a suitable manner with the desired shape.
  • a control PC 11 is set up as a CAD work station 11, on which the structures to be projected can be constructed depending on the application.
  • the data for controlling the combined inspection and projection device 08 are then transmitted from the control PC 11 via the data line 19 in order to control the mirrors for deflecting the laser beam 12.
  • a digital camera is provided in the combined inspection and projection device 08 with which digitized image recordings of the material roll 02 can be made.
  • the image data of the digital camera are transferred to the control PC 11, where, by means of suitable software, a pattern comparison between the image data and the stored target data for the position of, for example, the labels 14 to be attached, the tip label 16, is used for a belt drive surfaces 17 to be kept free and the adhesive 18 to be applied. Only after this sample comparison has been successfully completed is the material roll 02 released and further conveyed to the roll changer.
  • the inspection and projection device 08 are arranged at a distance of 0.5 m to 5 m, in particular at a distance of 2 m, from the peripheral surface 13 of the material roll 02.
  • the inspection and projection device 08 is arranged, for example, on a rotogravure roller carrier.
  • the combined inspection and projection device 08 contains a camera.

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Unwinding Webs (AREA)
  • Labeling Devices (AREA)
  • Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention relates to a device for preparing a reel of material (13), which is to be used during a flying reel change. Said reel of material is provided with labels (14, 16) fixing the beginning of the sheet to the reel of material, adhesive means (18) connecting the beginning of the sheet to a sheet of material running off the reel, and an inspection unit (08) checking the contours and/or positions of the labels and adhesive means on the peripheral surface of the reel of material.

Description

Beschreibungdescription
Vorrichtung zur Vorbereitung einer MaterialrolleDevice for preparing a roll of material
Die Erfindung betrifft eine Vorrichtung zur Vorbereitung einer Materialrolle gemäß dem Oberbegriff des Anspruches 1.The invention relates to a device for preparing a roll of material according to the preamble of claim 1.
Insbesondere, jedoch keineswegs ausschließlich, beim Rollenrotationsdruck, beispielsweise beim Drucken von Zeitungen, ist ein fliegender Rollenwechsel der verwendeten Materialrollen, nämlich der Papierrollen, erforderlich, um einen kontinuierlichen Fortdruck ohne Maschinenstillstand zu ermöglichen. Das Endloskleben, also das Ankleben einer neuen Rolle an die ablaufende Rolle muss dabei je nach Druckgeschwindigkeit und Kapazität der einzelnen Rolle in wiederkehrenden Zeitabständen durchgeführt werden. Die Abiaufzeit einer Rolle mit einem Durchmesser von 127 cm beträgt bei einer Druckgeschwindigkeit von 25 m/s beispielsweise ca. 17 min, woraus folgt, dass das Bedienpersonal beinahe viermal pro Stunde einen Rollenwechsel durchführen muss. Da für einen Rollenwechsel eine Vielzahl von Arbeitsgängen erforderlich sind, beispielsweise das Zuschneiden des Bahnanfangs, das Fixieren des Bahnanfangs auf der Rolle mit Etiketten, die Freihaltung von bestimmten Bereichen bei der Verwendung von Gurtantrieben, das Auftragen eines Klebemittels, mit dem die neue Bahn an der ablaufenden Bahn befestigt werden kann und/oder das Anbringen von Schaltetiketten, steht das Bedienpersonal bei der manuellen Vorbereitung der neuen Materialrolle für den fliegenden Rollenwechsel unter einem erheblichen Zeitdruck. Dieser Zeitdruck kann zu Fehlern bei der Vorbereitung führen, durch Störungen beim Rollenwechsel auftreten, was zum Stillstand der gesamten Druckmaschine führen kann.In particular, but by no means exclusively, in rotary printing, for example when printing newspapers, a flying roll change of the material rolls used, namely the paper rolls, is necessary in order to enable continuous production without machine downtime. The continuous gluing, i.e. the gluing of a new roll to the running roll must be carried out at recurring intervals depending on the printing speed and capacity of the individual roll. The run-off time of a roll with a diameter of 127 cm at a printing speed of 25 m / s is, for example, approx. 17 min, from which it follows that the operating personnel has to change the roll almost four times an hour. Since a large number of operations are required to change the reel, for example cutting the beginning of the web, fixing the beginning of the web on the reel with labels, keeping certain areas free when using belt drives, applying an adhesive with which the new web is attached to the running web can be attached and / or the attachment of switch labels, the operating personnel is in the manual preparation of the new material roll for the flying roll change under considerable time pressure. This time pressure can lead to errors in the preparation, due to malfunctions when changing rolls, which can lead to the entire printing press coming to a standstill.
Die DE 195 43 246 A1 beschreibt eine Vorrichtung zur Steuerung von Spulen, wobei mit lichtempfindlichen Sensoren eine Position der ablaufenden Rolle erfasst wird. Die DE 296 02 098 U1 beschreibt einen Rollenwechsler, der mit einem Bilderkennungssystem zur Sicherheitsüberwachung versehen ist.DE 195 43 246 A1 describes a device for controlling coils, a position of the running roll being detected with light-sensitive sensors. DE 296 02 098 U1 describes a reel changer which is provided with an image recognition system for security monitoring.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur Vorbereitung einer Materialrolle zu schaffen.The invention has for its object to provide a device for preparing a roll of material.
Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.The object is achieved by the features of claim 1.
Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass an der Vorrichtung eine Inspektionseinrichtung vorgesehen ist, mit der vorgegebene flächige Strukturen auf der Umfangsfläche der Materialrolle kontrollierbar sind. Durch diese Kontrolle kann die Weiterförderung einer fehlerhaft vorbereiteten Materialrolle zum Rollenwechsler ausgeschlossen werden.The advantages achievable with the invention consist in particular in that an inspection device is provided on the device, with which predetermined flat structures on the peripheral surface of the material roll can be checked. This check prevents the further conveyance of an incorrectly prepared roll of material to the roll changer.
In welcher Art die Inspektionseinrichtung ausgebildet ist, ist grundsätzlich beliebig. Beispielsweise wäre der Einsatz geeigneter Laserscannersysteme denkbar. Nach einer bevorzugten Ausführungsform der Erfindung ist in der Inspektionseinrichtung ein Kamerasystem, beispielsweise mit einer Digitalkamera, vorgesehen, mit dem die Umfangsfläche der Materialrolle zumindest teilweise aufgenommen werden kann. Die Bilddaten des Kamerasystems können dann in einer elektronischen Datenverarbeitungsanlage durch Mustervergleich mit Solldaten, die die Sollposition der aufgenommenen flächige Strukturen beschreiben, verglichen werden.The type of inspection device is basically arbitrary. For example, the use of suitable laser scanner systems would be conceivable. According to a preferred embodiment of the invention, a camera system, for example with a digital camera, is provided in the inspection device, with which the peripheral surface of the material roll can be at least partially captured. The image data of the camera system can then be compared in an electronic data processing system by pattern comparison with target data that describe the target position of the recorded flat structures.
Um die Vorbereitung der Materialrolle weiter zu vereinfachen, kann zusätzlich noch Projektionseinrichtung vorgesehen sein, mit der vorgegebene flächige Strukturen auf die Umfangsfläche der Materialrolle projiziert werden können. Die Auflösung dieser Strukturen sind von zumindest 0,2 mm, insbesondere mit einer Auflösung von 0,12 mm auf die Umfangsfläche der Materialrolle projizierbar. Bei der Vorbereitung einer Materialrolle wird diese zunächst auf dem Gestell der Vorrichtung in einer definierten Position aufgespannt, so dass die zur Durchführung bestimmter Arbeitsgänge vorgegebenen flächigen Strukturen lagerichtig auf die Umfangsfläche projiziert werden können. Dies erleichtert insbesondere die Arbeiten beim Anbringen von Etiketten, Klebemitteln oder das Zuschneiden des Bahnanfangs, da das Bedienpersonal die jeweils richtige Position bzw. Strukturen durch die Projektion auf der Umfangsfläche angezeigt bekommt. Dabei ist es selbstverständlich möglich, dass für die verschiedenen Arbeitsschritte wie beispielsweise Zuschneiden des Bahnanfang, Anbringung der Etiketten und Aufbringung eines Klebemittels nacheinander mehrere Projektionen durchgeführt werden.In order to further simplify the preparation of the material roll, a projection device can also be provided, with which predetermined flat structures can be projected onto the peripheral surface of the material roll. The resolution of these structures can be projected onto the peripheral surface of the material roll by at least 0.2 mm, in particular with a resolution of 0.12 mm. When preparing a roll of material, this is first defined on the frame of the device Position spanned so that the flat structures specified for carrying out certain operations can be projected in the correct position on the peripheral surface. This simplifies the work in particular when attaching labels, adhesives or cutting the beginning of the web, since the operator is shown the correct position or structures by the projection on the circumferential surface. It is of course possible that several projections are carried out in succession for the various work steps, such as cutting the beginning of the web, applying the labels and applying an adhesive.
Grundsätzlich kann die Projektionseinrichtung in beliebiger Weise ausgebildet sein, solange sich die zu projizierenden Strukturen mit ausreichender Deutlichkeit und Trennschärfe auf die Umfangsfläche der Materialrolle abzeichnen. Besonders vorteilhaft ist es, wenn die Projektionseinrichtung zumindest eine Lasereinheit aufweist, deren Laserstrahl auf die Umfangsfläche der Materialrolle gerichtet werden kann, da Laserlicht eine hervorragende Abbildungsqualität ermöglicht. Da der Laserstrahl nur einen Lichtpunkt auf der Umfangsfläche erzeugt, muss der Laserstrahl derart ablenkbar sein, dass der Laserstrahl die Umfangsfläche der Materialrolle entsprechend der zu projizierenden Struktur überstreicht. Dies bedeutet mit anderen Worten, dass der von der Lasereinheit auf die Umfangsfläche projizierte Lichtpunkt entsprechend der gewünschten abzubildenden Struktur mit einer bestimmten Wiederholfrequenz über die Oberfläche der Materialrolle streicht und dabei das gewünschte Bild zeichnet. Wird die Wiederholfrequenz zum Überstreichen der Struktur ausreichend hoch gewählt, so ergibt sich auf Grund der Trägheit des menschlichen Auges ein Seheindruck, der einer Abbildung der gewünschten Struktur insgesamt entspricht.In principle, the projection device can be designed in any way, as long as the structures to be projected are sufficiently clear and selective on the peripheral surface of the material roll. It is particularly advantageous if the projection device has at least one laser unit, the laser beam of which can be directed onto the circumferential surface of the material roll, since laser light enables excellent imaging quality. Since the laser beam generates only one light spot on the peripheral surface, the laser beam must be deflectable in such a way that the laser beam sweeps over the peripheral surface of the roll of material in accordance with the structure to be projected. In other words, this means that the light point projected by the laser unit onto the peripheral surface corresponding to the desired structure to be imaged sweeps over the surface of the material roll with a certain repetition frequency and thereby draws the desired image. If the repetition frequency is selected to be sufficiently high to sweep over the structure, the result of the inertia of the human eye is a visual impression which corresponds to an image of the desired structure as a whole.
Vorzugsweise sollte der Laserstrahl dabei mit einer Frequenz von zumindest 30 Hertz die zu projizierende Struktur auf der Umfangsfläche der Materialrolle überstreichen, da sich dadurch eine weitgehend flimmerfreie Abbildung der gewünschten Struktur auf der Umfangsfläche ergibt, die vom Bedienpersonal gut erkannt werden kann.The laser beam should preferably sweep over the structure to be projected on the circumferential surface of the material roll at a frequency of at least 30 Hertz, since this results in a largely flicker-free image of the desired structure on the Circumferential surface results that can be easily recognized by the operating personnel.
Um nicht die gesamte Lasereinheit zur Ablenkung des Laserstrahls bewegen zu müssen, ist es vorteilhaft, in der Lasereinheit beweglich gelagerte und ferngesteuert antreibbare Spiegel vorzusehen, mit Hilfe derer der Laserstrahl ablenkbar ist.In order not to have to move the entire laser unit to deflect the laser beam, it is advantageous to provide movably mounted mirrors in the laser unit which can be driven by remote control and by means of which the laser beam can be deflected.
Alternativ bzw. zusätzlich zur Verwendung einer Lasereinheit kann als Projektionseinrichtung auch ein Bildprojektor verwendet werden, mit dem geeignete Strukturbilder auf die Umfangsfläche projiziert werden können. Beispielsweise ist es denkbar einen Diaprojektor zu verwenden, mit dem auf Diapositiven dargestellte Strukturbilder auf die Materialrolle projiziert werden können. In jedem Diapositiv wäre eine der gewünschten Strukturen, beispielsweise durch fotografische Aufnahme, als Strukturbild darzustellen. Alternativ können auch Computerbildprojektoren, sogenannte "Beamer", verwendet werden. Mit derartigen Computerbildprojektoren können die Bildsignale eines Standard-PC, beispielsweise gemäß dem VGA-Standard, verarbeitet und auf eine Bildebene projiziert werden. Damit könnten die abzubildenden Strukturen in einfacherWeise auf einen PC konstruiert und anschließend sofort über den Computerbildprojektor auf die Materialrolle projiziert werden. Genau wie bei der Verwendung einer Lasereinheit ergibt sich bei der Verwendung eines Computerbildprojektors eine außerordentlich große Flexibilität, da die projizierten Strukturen durch einfache Änderung der übertragenen Daten jederzeit und ohne großen Aufwand veränderbar sind.As an alternative or in addition to the use of a laser unit, an image projector can also be used as the projection device, with which suitable structural images can be projected onto the peripheral surface. For example, it is conceivable to use a slide projector with which structural images displayed on slides can be projected onto the material roll. In each slide, one of the desired structures would have to be represented as a structural image, for example by photographic recording. Alternatively, computer image projectors, so-called “projectors”, can also be used. With such computer image projectors, the image signals of a standard PC, for example according to the VGA standard, can be processed and projected onto an image plane. The structures to be imaged could thus be constructed in a simple manner on a PC and then immediately projected onto the material roll using the computer image projector. Just as with the use of a laser unit, there is extremely great flexibility when using a computer image projector, since the projected structures can be changed at any time and with little effort by simply changing the transmitted data.
Zur Erzielung einer maximalen Flexibilität sollte ein CAD-Arbeitsplatz mit der Projektionseinrichtung verbindbar sein. Die Daten zur Beschreibung der vorgegebenen flächigen Strukturen können an dem CAD-Arbeitsplatz, beispielsweise unter Verwendung eines 2D-Konstrukionsprogrammes, in einfacher Weise erzeugt werden und anschließend über eine Datenschnittstelle als Daten zur Beschreibung der zu projizierenden Struktur an die Projektionseinrichtung, beispielsweise an die Lasereinheit oder an einen Computerbildprojektor, übertragen werden.In order to achieve maximum flexibility, a CAD work station should be connectable to the projection device. The data for describing the predetermined flat structures can be generated in a simple manner at the CAD work station, for example using a 2D construction program, and then via a data interface as data for describing the structure to be projected to the projection device, for example to the laser unit or at one Computer image projector to be transmitted.
Je nach Durchmesser der verwendeten Materialrollen kann es auf Grund der Wölbung der Umfangsfläche in Umfangsrichtung bei der Projektion der gewünschten Struktur zu Verzerrungen kommen. Zur Vermeidung dieser Verzerrungen können grundsätzlich bekannte Umrechnungsverfahren eingesetzt werden, so dass die Daten zur Beschreibung der vorgegebenen flächigen Struktur in Abhängigkeit des Durchmessers der Materialrolle in die Daten zur Beschreibung der projizierenden Struktur für die Projektionseinrichtung umgerechnet werden. Im Ergebnis kann durch eine derartige Umrechnung eine verzerrungsfreie Projektion der gewünschten Struktur erreicht werden.Depending on the diameter of the material rolls used, the curvature of the circumferential surface in the circumferential direction can lead to distortions when projecting the desired structure. In order to avoid these distortions, known conversion methods can in principle be used, so that the data for the description of the predetermined flat structure depending on the diameter of the material roll is converted into the data for the description of the projecting structure for the projection device. As a result, such a conversion enables a distortion-free projection of the desired structure to be achieved.
Die einzige Zeichnung zeigt eine schematisch dargestellte Vorrichtung in Ansicht von vorne.The only drawing shows a schematically represented device in front view.
In der Zeichnung ist eine Vorrichtung 01 zur manuellen Vorbereitung einer bei einem fliegenden Rollenwechsel zu verwendenden Materialrolle 02, z. B. einer Papierrolle 02 dargestellt. Die Materialrolle 02 wird mittels nicht dargestellter Fördereinrichtungen zum Gestell, dass von den beiden Säulen 03; 04 gebildet wird, gefördert und hier in seiner Mittelachse an den Spanndornen 06; 07 in einer definierten Position aufgespannt. Nach dem Aufspannen der Materialrolle 02 wird vom Bedienpersonal die oberste Lage der Materialrolle 02 entfernt, um dadurch Beschädigungen zu beseitigen.In the drawing, a device 01 for manual preparation of a material roll 02 to be used in a flying roll change, for. B. a paper roll 02 is shown. The material roll 02 is by means of conveyor devices, not shown, to the frame that from the two columns 03; 04 is formed, promoted and here in its central axis on the mandrels 06; 07 clamped in a defined position. After clamping the material roll 02, the operating staff removes the uppermost layer of the material roll 02 in order to eliminate damage.
Als erster Arbeitsschritt der eigentlichen Rollenvorbereitung muss dann der Bahnanfang der Materialrolle 02 in V-Form zugeschnitten werden. Um die gewünschte V-Form in einfacherWeise herstellen zu können, ist an der Vorrichtung 01 eine kombinierte Inspektions- und Projektionseinrichtung 08 vorgesehen, die an einer Traverse 09 oberhalb der Materialrolle 02 gestellfest befestigt ist.As the first step of the actual roll preparation, the beginning of the web of material roll 02 must be cut in a V-shape. In order to be able to produce the desired V-shape in a simple manner, a combined inspection and projection device 08 is provided on the device 01, which is fixed to the frame on a crossbar 09 above the material roll 02.
An der Unterseite der kombinierte Inspektions- und Projektionseinrichtung 08 ist eine Öffnung vorgesehen, aus der ein von einer im Inneren der kombinierte Inspektions- und Projektionseinrichtung 08 angeordneten Lasereinheit erzeugter Laserstrahl 12 austreten kann und auf die Umfangsfläche 13 der Materialrolle 02 projiziert wird. Durch Ansteuerung in der kombinierte Inspektions- und Projektionseinrichtung 08 vorgesehener Spiegel wird der Laserstrahl 12 dann mit einer Frequenz von 30 Hertz derart abgelenkt, dass der auf die Umfangsfläche 13 projizierte Lichtpunkt des Laserstrahls 12 die Umfangsfläche 13 entlang der gewünschten V-förmigen Struktur des herzustellenden Bahnanfangs überstreicht. Damit kann das Bedien personal die gewünschte Schnittlinie ohne weitere Hilfsmittel sofort auffinden und den Bahnanfang in geeigneter weise mit der gewünschten Form zuschneiden.On the underside of the combined inspection and projection device 08 is one Opening provided from which a laser beam 12 generated by a laser unit arranged in the interior of the combined inspection and projection device 08 can emerge and is projected onto the peripheral surface 13 of the material roll 02. By activating mirrors provided in the combined inspection and projection device 08, the laser beam 12 is then deflected at a frequency of 30 Hertz in such a way that the light spot of the laser beam 12 projected onto the peripheral surface 13 extends the peripheral surface 13 along the desired V-shaped structure of the web start to be produced sweeps. This allows the operating personnel to find the desired cutting line immediately without any additional aids and to cut the start of the web in a suitable manner with the desired shape.
Anschließend werden in gleicher weise die Positionen bzw. die Strukturen der anzubringenden Etiketten 14, des Spitzenetiketts 16, der für einen Gurtantrieb freizuhaltenden Flächen 17 und der anzubringenden Klebemittel 18 auf die Umfangsfläche 13 projiziert und können damit vom Bedienpersonal in einfacher Weise lagerichtig angebracht bzw. freigehalten werden.The positions or the structures of the labels 14 to be attached, the tip label 16, the surfaces 17 to be kept free for a belt drive and the adhesives 18 to be attached are then projected onto the circumferential surface 13 in the same way and can thus be attached or kept in the correct position in a simple manner by the operating personnel become.
Ein Steuerungs-PC 11 ist als CAD-Arbeitsplatz 11 eingerichtet, auf dem die zu projizierenden Strukturen je nach Anwendung konstruiert werden können. Über die Datenleitung 19 werden dann die Daten zur Ansteuerung der kombinierte Inspektionsund Projektionseinrichtung 08 vom Steuerungs-PC 11 übertragen, um die Spiegel zur Ablenkung des Laserstrahls 12 anzusteuern.A control PC 11 is set up as a CAD work station 11, on which the structures to be projected can be constructed depending on the application. The data for controlling the combined inspection and projection device 08 are then transmitted from the control PC 11 via the data line 19 in order to control the mirrors for deflecting the laser beam 12.
Weiter ist in der kombinierten Inspektions- und Projektionseinrichtung 08 eine Digitalkamera vorgesehen, mit der digitalisierte Bildaufnahmen der Materialrolle 02 gemacht werden können. Die Bilddaten der Digitalkamera werden zum Steuerungs-PC 11 überspielt, wo mittels einer entsprechend geeigneten Software ein Mustervergleich zwischen den Bilddaten und den gespeicherten Solldaten für die Lage beispielsweise der anzubringenden Etiketten 14, des Spitzenetiketts 16, der für einen Gurtantrieb freizuhaltenden Flächen 17 und der anzubringenden Klebemittel 18 durchgeführt wird. Erst nach positivem Abschluss dieses Mustervergleichs wird die Materialrolle 02 freigegeben und zum Rollenwechsler weitergefördert.Furthermore, a digital camera is provided in the combined inspection and projection device 08 with which digitized image recordings of the material roll 02 can be made. The image data of the digital camera are transferred to the control PC 11, where, by means of suitable software, a pattern comparison between the image data and the stored target data for the position of, for example, the labels 14 to be attached, the tip label 16, is used for a belt drive surfaces 17 to be kept free and the adhesive 18 to be applied. Only after this sample comparison has been successfully completed is the material roll 02 released and further conveyed to the roll changer.
Es werden also die Konturen und/oder Positionen relativ zur Umfangsfläche kontrolliert.So the contours and / or positions are checked relative to the peripheral surface.
Die Inspektions- und Projektionseinrichtung 08 sind mit einem Abstand von 0,5 m bis 5 m, insbesondere in einem Abstand von 2 m, entfernt von der Umfangsfläche 13 der Materialrolle 02 angeordnet.The inspection and projection device 08 are arranged at a distance of 0.5 m to 5 m, in particular at a distance of 2 m, from the peripheral surface 13 of the material roll 02.
Die Inspektions- und Projektionseinrichtung 08 ist beispielsweise an einem Tiefdruck-Rollenträger angeordnet.The inspection and projection device 08 is arranged, for example, on a rotogravure roller carrier.
Die kombinierte Inspektions- und Projektionseinrichtung 08 beinhaltet eine Kamera. The combined inspection and projection device 08 contains a camera.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
01 Vorrichtung01 device
02 Materialrolle, Papierrolle02 Roll of material, roll of paper
03 Säule03 pillar
04 Säule04 pillar
05 —05 -
06 Spanndorn06 mandrel
07 Spanndorn07 mandrel
08 Inspektions- und Projektionseinrichtung, kombiniert08 Inspection and projection device, combined
09 Traverse09 traverse
10 -10 -
11 Steuerungs-PC, CAD-Arbeitsplatz11 Control PC, CAD work station
12 Laserstrahl12 laser beam
13 Umfangsfläche (02)13 peripheral surface (02)
14 Etikett14 label
15 -15 -
16 Spitzenetikett16 lace label
17 Fläche, frei, Gurtantrieb17 surface, free, belt drive
18 Klebemittel18 adhesives
19 Datenleitung 19 data line

Claims

Ansprüche Expectations
1. Vorrichtung (01) zur Vorbereitung einer bei einem fliegenden Rollenwechsel zu verwendenden Materialrolle (02), wobei die Materialrolle Etiketten (14) zur Fixierung des Bahnanfanges an der Materialrolle (02) und Klebemittel (18) zur Verbindung des Bahnanfanges mit einer ablaufenden Materialbahn aufweist, dadurch gekennzeichnet, dass eine die Konturen und/oder Positionen der Etiketten (14) und Klebemittel (18) auf der Umfangsfläche (13), d. h. relativ zur Umfangsfläche der Materialrolle (02) kontrollierende Inspektionseinrichtung (08) angeordnet ist.1. Device (01) for preparing a material roll (02) to be used in a flying roll change, the material roll labels (14) for fixing the beginning of the web to the material roll (02) and adhesive (18) for connecting the beginning of the web to a running material web , characterized in that the contours and / or positions of the labels (14) and adhesive (18) on the peripheral surface (13), d. H. inspection device (08) controlling the peripheral surface of the material roll (02) is arranged.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass in der Inspektionseinrichtung (08) ein Kamerasystem vorgesehen ist, mit dem die Umfangsfläche (13) der Materialrolle (02) zumindest teilweise aufgenommen werden kann.2. Device according to claim 1, characterized in that a camera system is provided in the inspection device (08) with which the peripheral surface (13) of the material roll (02) can be at least partially recorded.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Bilddaten des Kamerasystems in einer elektronischen Datenverarbeitungsanlage durch Mustervergleich mit Solldaten, die die Sollposition der aufgenommenen flächige Strukturen beschreiben, verglichen werden können.3. The device according to claim 2, characterized in that the image data of the camera system can be compared in an electronic data processing system by pattern comparison with target data that describe the target position of the recorded flat structures.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, gekennzeichnet durch, dass eine zusätzliche Projektionseinrichtung (08) mittels der vorgegebene flächige Strukturen, beispielsweise Konturen und/oder Positionen, auf die Umfangsfläche (13) der Materialrolle (02) projizierbar sind.4. Device according to one of claims 1 to 3, characterized in that an additional projection device (08) by means of the predetermined flat structures, for example contours and / or positions, can be projected onto the peripheral surface (13) of the material roll (02).
5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass mit der Inspektionsund Projektionseinrichtung (08) die Kontur des herzustellenden Zuschnitts am Bahnanfang der Materialrolle (02) und/oder die Position der Anzubringenden Etiketten (14), insbesondere Spitzenetiketten (16), zur Fixierung des Bahnanfangs an der Materialrolle (02) und/oder die Kontur der für einen Gurtantrieb freizuhaltenden Flächen (17) und/oder die Kontur der Anzubringenden Klebemittel (18) zur Verbindung des Bahnanfangs mit einer ablaufenden Materialbahn und/oder die Position der Anzubringenden Schaltetiketten auf die Umfangsfläche (13) der Materialrolle (02) projizierbar sind.5. The device according to claim 4, characterized in that with the inspection and projection device (08) the contour of the blank to be produced at the beginning of the web of the material roll (02) and / or the position of the labels to be attached (14), in particular lace labels (16), for fixing the beginning of the path on the material roll (02) and / or the contour of the surfaces (17) to be kept free for a belt drive and / or the contour of the adhesive (18) to be attached to connect the beginning of the web with a running material web and / or the position of the switch labels to be attached on the peripheral surface (13) the roll of material (02) can be projected.
6. Vorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Inspektions- und Projektionseinrichtung (08) zumindest eine Lasereinheit aufweist, mit der ein Laserstrahl (12) auf die Umfangsfläche (13) der Materialrolle (02) projizierbar ist, wobei der Laserstrahl (12) derart ablenkbar ist, dass der Laserstrahl (12) die Umfangsfläche (13) der Materialrolle (02) entsprechend der zu projizierenden Struktur mit einer bestimmten Frequenz überstreicht.6. The device according to claim 4 or 5, characterized in that the inspection and projection device (08) has at least one laser unit with which a laser beam (12) on the peripheral surface (13) of the material roll (02) can be projected, the laser beam (12) can be deflected such that the laser beam (12) sweeps over the circumferential surface (13) of the material roll (02) according to the structure to be projected at a specific frequency.
7. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Laserstrahl (12) mit einer Frequenz von zumindest 30 Hertz die zu projizierenden Struktur auf der Umfangsfläche (13) der Materialrolle (02) überstreicht.7. The device according to claim 7, characterized in that the laser beam (12) with a frequency of at least 30 Hertz sweeps over the structure to be projected on the peripheral surface (13) of the material roll (02).
8. Vorrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass der Laserstrahl (12) mittels schwingend gelagerter Spiegel ablenkbar ist.8. The device according to claim 6 or 7, characterized in that the laser beam (12) can be deflected by means of an oscillating mirror.
9. Vorrichtung nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, dass die Inspektions- und Projektionseinrichtung (08) in der Art eines Bildprojektors, beispielsweise in der Art eines Diaprojektors oder eines Computerbildprojektors, ausgebildet ist.9. Device according to one of claims 4 to 8, characterized in that the inspection and projection device (08) is designed in the manner of an image projector, for example in the manner of a slide projector or a computer image projector.
10. Vorrichtung nach einem der Ansprüche 4 bis 9, dadurch gekennzeichnet, dass mit der Inspektions- und Projektionseinrichtung (08) Strukturen mit einer Auflösung von zumindest 0,2 mm, insbesondere mit einer Auflösung von 0,12 mm auf die Umfangsfläche (13) der Materialrolle (02) projizierbar sind. 10. Device according to one of claims 4 to 9, characterized in that with the inspection and projection device (08) structures with a resolution of at least 0.2 mm, in particular with a resolution of 0.12 mm on the peripheral surface (13) the roll of material (02) can be projected.
11. Vorrichtung nach einem der Ansprüche 4 bis 10, dadurch gekennzeichnet, dass die Daten zur Beschreibung der vorgegebenen flächigen Strukturen an einem CAD- Arbeitsplatz (11) erzeugbar und über eine Datenleitung (19) als Daten zur Beschreibung der zu projizierenden Struktur an die Inspektions- und Projektionseinrichtung (08) übertragbar sind.11. Device according to one of claims 4 to 10, characterized in that the data for describing the predetermined flat structures at a CAD workstation (11) can be generated and via a data line (19) as data for describing the structure to be projected to the inspection - And projection device (08) are transferable.
12. Vorrichtung nach Anspruch 11 , dadurch gekennzeichnet, dass zur Vermeidung von Verzerrungen die Daten zur Beschreibung der vorgegebenen flächigen Strukturen bei der Berechnung der Daten zur Beschreibung der zu projizierenden Struktur in Abhängigkeit des Durchmessers der Materialrolle (02) umgerechnet werden.12. The apparatus according to claim 11, characterized in that, in order to avoid distortions, the data for describing the predetermined flat structures are converted when calculating the data for describing the structure to be projected as a function of the diameter of the material roll (02).
13. Vorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass die Projektionseinrichtung und/oder Inspektionseinrichtung (08) mit einem Abstand von 0,5 m bis 5 m, insbesondere in einem Abstand von ungefähr 2 m, entfernt von der Umfangsfläche (13) der Materialrolle (02) angeordnet ist.13. Device according to one of claims 1 to 12, characterized in that the projection device and / or inspection device (08) at a distance of 0.5 m to 5 m, in particular at a distance of approximately 2 m, from the peripheral surface ( 13) the material roll (02) is arranged.
14. Vorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass die Projektionseinrichtung und/oder Inspektionseinrichtung (08) an einem Tiefdruck- Rollenträger angeordnet ist.14. Device according to one of claims 1 to 13, characterized in that the projection device and / or inspection device (08) is arranged on a rotogravure roller carrier.
15. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Inspektionseinrichtung (08) eine Digitalkamera aufweist.15. The apparatus according to claim 1, characterized in that the inspection device (08) has a digital camera.
16. Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, dass die Digitalkamera eine CCD-Kamera ist.16. The apparatus according to claim 15, characterized in that the digital camera is a CCD camera.
17. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Inspektionseinrichtung (08) die Konturen und/oder Positionen relativ zur Umfangsrichtung (13) kontrollierend angeordnet ist.17. The apparatus according to claim 1, characterized in that the inspection device (08) the contours and / or positions relative to Circumferential direction (13) is arranged to control.
18. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Materialrolle (02) während der Inspektion in einem Gestell (03; 04) angeordnet ist.18. The apparatus according to claim 1, characterized in that the material roll (02) is arranged in a frame (03; 04) during the inspection.
19. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Materialrolle (02) während der Inspektion außerhalb eines den fliegenden Rollenwechsel durchführenden Rollenträgers angeordnet ist.19. The device according to claim 1, characterized in that the material roll (02) is arranged during the inspection outside of a roll carrier performing the flying roll change.
20. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Inspektionseinrichtung (08) Bilddaten kontrollierend angeordnet ist. 20. The device according to claim 1, characterized in that the inspection device (08) is arranged to control image data.
EP03727181A 2002-04-29 2003-04-07 Device for preparing a reel of material Expired - Lifetime EP1499550B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10219179A DE10219179B4 (en) 2002-04-29 2002-04-29 Device for preparing a roll of material
DE10219179 2002-04-29
PCT/DE2003/001129 WO2003093152A1 (en) 2002-04-29 2003-04-07 Device for preparing a reel of material

Publications (2)

Publication Number Publication Date
EP1499550A1 true EP1499550A1 (en) 2005-01-26
EP1499550B1 EP1499550B1 (en) 2006-10-11

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EP (1) EP1499550B1 (en)
AT (1) ATE342217T1 (en)
AU (1) AU2003233932A1 (en)
DE (2) DE10219179B4 (en)
WO (1) WO2003093152A1 (en)

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EP1499550B1 (en) 2006-10-11
ATE342217T1 (en) 2006-11-15
DE10219179B4 (en) 2005-04-28
DE50305356D1 (en) 2006-11-23
AU2003233932A1 (en) 2003-11-17
DE10219179A1 (en) 2003-11-13
WO2003093152A1 (en) 2003-11-13

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