EP1155990A1 - Device for winding and unwinding of flat printed sheets onto or from a rotatably journalled winding core - Google Patents

Device for winding and unwinding of flat printed sheets onto or from a rotatably journalled winding core Download PDF

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Publication number
EP1155990A1
EP1155990A1 EP00810429A EP00810429A EP1155990A1 EP 1155990 A1 EP1155990 A1 EP 1155990A1 EP 00810429 A EP00810429 A EP 00810429A EP 00810429 A EP00810429 A EP 00810429A EP 1155990 A1 EP1155990 A1 EP 1155990A1
Authority
EP
European Patent Office
Prior art keywords
winding
winding core
tape
lever
core
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
EP00810429A
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German (de)
French (fr)
Other versions
EP1155990B1 (en
Inventor
Eugster Albert
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.)
Grapha Holding AG
Original Assignee
Grapha Holding 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 Grapha Holding AG filed Critical Grapha Holding AG
Priority to EP00810429A priority Critical patent/EP1155990B1/en
Priority to DE50007292T priority patent/DE50007292D1/en
Priority to AT00810429T priority patent/ATE272556T1/en
Priority to DK00810429T priority patent/DK1155990T3/en
Priority to US09/854,207 priority patent/US6520446B2/en
Publication of EP1155990A1 publication Critical patent/EP1155990A1/en
Application granted granted Critical
Publication of EP1155990B1 publication Critical patent/EP1155990B1/en
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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/006—Winding articles into rolls
    • 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/419—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means
    • B65H2301/4192—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling articles of limited length in shingled formation
    • B65H2301/41922—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling articles of limited length in shingled formation and wound together with single belt like members
    • 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
    • B65H2301/419—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means
    • B65H2301/4192—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling articles of limited length in shingled formation
    • B65H2301/41922—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling articles of limited length in shingled formation and wound together with single belt like members
    • B65H2301/419225—Several belts spaced in axis direction
    • 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
    • B65H2701/19—Specific article or web
    • B65H2701/1932—Signatures, folded printed matter, newspapers or parts thereof and books

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • Devices of the type mentioned are well known in the print finishing industry as space-saving and inexpensive means for winding and unwinding printed sheets, such as newspapers and magazines.
  • the winding of printed sheets onto a winding core serves, inter alia, for intermediate storage, for transport and / or for further processing of the printed sheets in a shingled formation.
  • the idle state is recognized by means of optically or electrically recognizable band marks, attached to the wrapping tape.
  • An electrically recognizable Band mark is, for example, a metal plate that is glued or otherwise attached to the winding tape.
  • Such tape marks can become dirty when used or become ineffective due to damage. To avoid this the belts must be checked and replaced if necessary become.
  • bank marks is often a back and forth Rewinding required, which is a substantial extension of the Cycle time results.
  • the invention has for its object to provide a device of the type mentioned, which ensures a more reliable, yet inexpensive detection of the occupancy of a winding core.
  • the object is achieved according to the characterizing part of claim 1.
  • the feeler element is arranged on the winding core and is therefore not part of the winding tape.
  • the attachment of a probe to the winding core is much easier and less susceptible to damage than the attachment of a tape mark on the comparatively narrow winding tape made of plastic.
  • the sensing element can be realized in a particularly simple manner by a lever which is resiliently mounted in a recess on the circumference of the winding core.
  • This lever preferably has a nose at a distance from a pivot axis, which protrudes over the outer surface of the winding core when the winding core is empty and is pressed radially inwards against the retroactive force of the spring against the retroactive force of the spring when the winding roller is occupied.
  • the nose of the feeler protrudes radially, while when the winding core is occupied, this nose is pressed inwards.
  • the lever can thus assume two positions, one position indicating the empty state and the other position the occupied state. According to a further development of the invention, these two positions are detected particularly advantageously by means of a photocell.
  • the detection is preferably carried out with a light beam incident parallel to the axis in the winding core.
  • the feeler is in Circumferential direction of the winding core seen in comparison a short distance before the beginning of the tape.
  • An empty state is already displayed when there is a remaining length of the winding tape or the winding layer is present.
  • the winding core is therefore still partially entwined, for example around the Half of its circumference.
  • the unwinding process can then be reliable and be interrupted in time. This ensures that the tape is not torn off the angled core.
  • the occupied state is displayed as soon as that Wrapping tape or printed sheet fed to the shingled stream Have reached the touch organ.
  • the device 1 has a cylindrical winding core 3, which is rotatably mounted about a geometric axis A.
  • the Winding core 3 has a lateral surface 12 on which a Beginning 4a of a winding tape 4 is attached.
  • the winding tape 4 is for example made of plastic and has a comparative high tensile strength.
  • In the embodiment shown 3 are two running parallel next to each other Wrapping tapes 4 are provided. However, versions are also conceivable where only one winding tape or more than two Wrapping tapes are provided.
  • the winding core 3 is in the direction arrow 14 by means of a drive device known per se turned.
  • the winding tape 4 or the winding tapes deducted from a mandrel 5.
  • the winding core 5 thus forms part of a winding tape magazine and is thereby slowed down. This ensures that the required Tape tension is maintained.
  • the lever 8 forms a sensing element and is arranged according to FIG. 3 so that he wound up underneath one of the two Winding tapes 4 is arranged.
  • a reflector 3 laterally at a distance from the axis 9 attached, which reflects axially incident light.
  • a photo cell fixed to the frame 17 arranged which parallel and at a distance from the axis 8 a Light beam 19 directed against the winding core 3.
  • this photocell 17 is arranged approximately in the eleven o'clock position.
  • Located the lever 8 is thus in the position shown in FIG. 1, so the light beam 19 hits the reflector 13.
  • Das Light is reflected by the reflector 13 and comes back to the photocell 17.
  • a corresponding line is connected via a signal line 22 Pulse sent to a controller 23. 1 is the position of the light beam 19 represented by the point P.
  • the photocell 17 accordingly sends a signal to the controller 23, which interrupts the unwinding process.
  • the controller 23 As can be seen becomes the empty state in a position of the winding core 3 recognized, in which the area 4b of the Wrapping tape 4 abuts the outer surface 12. Until complete Settlement is therefore still a reserve by the division 4b available. Even if the standstill is delayed this ensures that the winding tape 4 from the winding core 3 is not demolished.
  • the lever 8 is through the winding tape 4 or one of the two winding tapes 4 is pivoted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Unwinding Webs (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)

Abstract

The spool drum (3) is turned in a direction (14) to wind material from a roll (5) or stack. A indicator system (7) comprises a lever (8) with a projecting point (11) which is depressed by the wound material to give a visual indication.

Description

Die Erfindung betrifft eine Vorrichtung nach dem Oberbegriff des Anspruchs 1.
Vorrichtungen der genannten Art sind in der Druckweiterverarbeitungsindustrie als raumsparende und kostengünstige Mittel zum Auf- und Abwickeln von Druckbogen, wie Zeitungen und Zeitschriften gut bekannt. Das Aufwickeln von Druckbogen auf einen Wickelkern dient u.a. zur Zwischeniagerung, zum Transport und/oder zur Weiterverarbeitung der Druckbogen in geschuppter Formation.The invention relates to a device according to the preamble of claim 1.
Devices of the type mentioned are well known in the print finishing industry as space-saving and inexpensive means for winding and unwinding printed sheets, such as newspapers and magazines. The winding of printed sheets onto a winding core serves, inter alia, for intermediate storage, for transport and / or for further processing of the printed sheets in a shingled formation.

Zum Stand der Technik wird auf die CH 682 657 A5, EP 0 739 838 A2 sowie EP 0 826 616 A1 der Anmelderin hingewiesen.The state of the art is CH 682 657 A5, EP 0 739 838 A2 and EP 0 826 616 A1 from the applicant.

Zur Steuerung der Papierzufuhr ist es erforderlich, dass beim Abwickeln des Wickelkerns der Leerzustand sicher und rechtzeitig erkannt wird. Wird ein Leerzustand nicht rechtzeitig erkannt, so besteht die Gefahr, dass das Wickelband abgerissen wird. Im Stand der Technik erfolgt die Erkennung des Leerzustandes mittels optisch oder elektrisch erkennbaren Bandmarken, die am Wickelband angebracht sind. Eine elektrisch erkennbare Bandmarke ist beispielsweise eine Metallplatte, die auf das Wickelband aufgeklebt oder sonstwie befestigt ist. Solche Bandmarken können jedoch beim Gebrauch durch Schmutz oder durch Beschädigung unwirksam werden. Um dies zu vermeiden, müssen die Bänder kontrolliert und nötigenfalls ersetzt werden. Zudem ist zum Erkennen von Bankmarken oft ein Hin- und Herspulen erforderlich, was eine wesentliche Verlängerung der Zykluszeit ergibt.To control the paper feed, it is necessary that the Unwinding the winding core of the empty state safely and in time is recognized. If an empty state is not recognized in time, there is a risk that the winding tape will be torn off becomes. In the prior art, the idle state is recognized by means of optically or electrically recognizable band marks, attached to the wrapping tape. An electrically recognizable Band mark is, for example, a metal plate that is glued or otherwise attached to the winding tape. However, such tape marks can become dirty when used or become ineffective due to damage. To avoid this the belts must be checked and replaced if necessary become. In addition, to recognize bank marks is often a back and forth Rewinding required, which is a substantial extension of the Cycle time results.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der genannten Art zu schaffen, die eine zuverlässigere und dennoch kostengünstige Erkennung der Belegung eines Wickelkerns gewährleistet.
Die Aufgabe ist gemäss Kennzeichen des Anspruchs 1 gelöst. Das Tastorgan ist bei der erfindungsgemässen Vorrichtung am Wikkelkern angeordnet und somit nicht ein Teil des Wickelbandes. Die Befestigung eines Tastorganes am Wickelkern ist wesentlich einfacher und weniger beschädigungsanfällig als die Befestigung einer Bandmarke auf dem vergleichsweise schmalen und aus Kunststoff hergestellten Wickelband.The invention has for its object to provide a device of the type mentioned, which ensures a more reliable, yet inexpensive detection of the occupancy of a winding core.
The object is achieved according to the characterizing part of claim 1. In the device according to the invention, the feeler element is arranged on the winding core and is therefore not part of the winding tape. The attachment of a probe to the winding core is much easier and less susceptible to damage than the attachment of a tape mark on the comparatively narrow winding tape made of plastic.

Das Tastorgan kann in besonders einfacher Weise durch einen Hebel realisiert werden, der in einer Ausnehmung am Umfang des Wickelkerns federnd gelagert ist.
Vorzugsweise weist dieser Hebel im Abstand zu einer Schwenkachse eine Nase auf, die bei leerem Wickelkern über die Mantelfläche des Wickelkerns vorsteht und bei belegter Wickelrolle gegen die rückwirkende Kraft der Feder vom Wickelband oder von den Druckbogen radial nach innen gedrückt wird.
Bei leerem Wickelkern steht die Nase des Tastorgans somit radial vor, während bei belegtem Wickelkern diese Nase nach innen gedrückt ist. Der Hebel kann somit zwei Stellungen einnehmen, wobei die eine Stellung den leeren Zustand und die andere Stellung den belegten Zustand anzeigt.
Diese beiden Stellungen werden besonders vorteilhaft nach einer Weiterbildung der Erfindung mittels einer Fotozelle detektiert. Die Detektion erfolgt vorzugsweise mit einem achsparallel in den Wickelkern einfallenden Lichtstrahl.The sensing element can be realized in a particularly simple manner by a lever which is resiliently mounted in a recess on the circumference of the winding core.
This lever preferably has a nose at a distance from a pivot axis, which protrudes over the outer surface of the winding core when the winding core is empty and is pressed radially inwards against the retroactive force of the spring against the retroactive force of the spring when the winding roller is occupied.
When the winding core is empty, the nose of the feeler protrudes radially, while when the winding core is occupied, this nose is pressed inwards. The lever can thus assume two positions, one position indicating the empty state and the other position the occupied state.
According to a further development of the invention, these two positions are detected particularly advantageously by means of a photocell. The detection is preferably carried out with a light beam incident parallel to the axis in the winding core.

Nach einer Weiterbildung der Erfindung ist das Tastmittel in Umfangsrichtung des Wickelkerns gesehen in vergleichsweise kurzem Abstand vor dem Bandanfang angeordnet. Ein Leerzustand wird bereits dann angezeigt, wenn noch eine Restlänge des Wikkelbandes bzw. der Wickellage vorhanden ist. Der Wickelkern ist somit noch teilweise umschlungen, beispielsweise um die Hälfte seines Umfanges. Der Abwickelvorgang kann dann zuverlässig und rechtzeitig unterbrochen werden. Damit ist sichergestellt, dass das Band vom Winkelkern nicht abgerissen wird. Beim Aufwickeln wird der belegte Zustand angezeigt, sobald das Wickelband oder dem Schuppenstrom zugeführte Druckbogen das Tastorgan erreicht haben.According to a development of the invention, the feeler is in Circumferential direction of the winding core seen in comparison a short distance before the beginning of the tape. An empty state is already displayed when there is a remaining length of the winding tape or the winding layer is present. The winding core is therefore still partially entwined, for example around the Half of its circumference. The unwinding process can then be reliable and be interrupted in time. This ensures that the tape is not torn off the angled core. When winding up, the occupied state is displayed as soon as that Wrapping tape or printed sheet fed to the shingled stream Have reached the touch organ.

Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features result from the dependent ones Claims, the description below and the Drawing.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Fig. 1
schematisch eine Ansicht einer erfindungsgemässen Vorrichtung im Leerzustand,
Fig. 2
schematisch eine erfindungsgemässe Vorrichtung in belegtem Zustand und
Fig. 3
schematisch eine Teilansicht der erfindungsgemässen Vorrichtung.
An embodiment of the invention is explained below with reference to the drawing. Show it:
Fig. 1
schematically a view of an inventive device in the empty state,
Fig. 2
schematically an inventive device in occupied condition and
Fig. 3
schematically a partial view of the device according to the invention.

Die Vorrichtung 1 weist einen zylindrischen Wickelkern 3 auf, der um eine geometrische Achse A drehbar gelagert ist. Der Wickelkern 3 weist eine Mantelfläche 12 auf, an welcher ein Anfang 4a eines Wickelbandes 4 befestigt ist. Das Wickelband 4 ist beispielsweise aus Kunststoff und weist eine vergleichsweise hohe Reissfestigkeit auf. Im gezeigten Ausführungsbeispiel sind gemäss Fig. 3 zwei parallel nebeneinander laufende Wickelbänder 4 vorgesehen. Denkbar sind aber auch Ausführungen, bei denen lediglich ein Wickelband oder mehr als zwei Wickelbänder vorgesehen sind.The device 1 has a cylindrical winding core 3, which is rotatably mounted about a geometric axis A. The Winding core 3 has a lateral surface 12 on which a Beginning 4a of a winding tape 4 is attached. The winding tape 4 is for example made of plastic and has a comparative high tensile strength. In the embodiment shown 3 are two running parallel next to each other Wrapping tapes 4 are provided. However, versions are also conceivable where only one winding tape or more than two Wrapping tapes are provided.

Zur Bildung eines Wickels wird der Wickelkern 3 in Richtung des Pfeiles 14 mittels einer an sich bekannten Antriebsvorrichtung gedreht. Hierbei wird das Wickelband 4 bzw. die Wikkelbänder von einem Wickeldorn 5 abgezogen. Der Wickelkern 5 bildet somit ein Teil eines Wickelbandmagazins und wird hierbei gebremst. Damit ist gewährleistet, dass die erforderliche Bandspannung aufrechterhalten wird.To form a winding, the winding core 3 is in the direction arrow 14 by means of a drive device known per se turned. Here, the winding tape 4 or the winding tapes deducted from a mandrel 5. The winding core 5 thus forms part of a winding tape magazine and is thereby slowed down. This ensures that the required Tape tension is maintained.

Beim Aufwickeln werden mit einer hier nicht gezeigten Fördervorrichtung die Druckbogen 6 gemäss Fig. 2 im Schuppenstrom 20 unterschlächtig und tangential zugeführt. Die Druckbogen 6 werden somit im Schuppenstrom aufgewickelt und bilden Wickellagen 21. Ist ein Wickelkern 3 vollständig mit Druckbogen 6 belegt, so wird er zur Zwischenlagerung, zum Transport und/oder zur Weiterverarbeitung in der Wickelstation abgedockt und auf einen Wickelbock abgesetzt.When winding with a conveyor device, not shown here the printed sheets 6 according to FIG. 2 in the shingled stream 20 undershot and fed tangentially. The press sheets 6 are thus wound up in the stream of shingles and form winding layers 21. Is a winding core 3 complete with printed sheet 6 occupied, it becomes intermediate storage, for transport and / or undocked for further processing in the winding station and placed on a winder block.

Zum Abwickeln eines belegten Wickelkernes 3 wird dieser in der Wickelstation angedockt und der Wickelkern 3 wird in Gegenrichtung des Pfeiles 4 gedreht und das Wickelband 4 auf den Wickeldorn 5 aufgewickelt. Die Druckbogen 6 werden hier wiederum als Schuppenstrom abgegeben und beispielsweise einem Sammelhefter zur Weiterverarbeitung zugeführt. Beim Abwickeln der Druckbogen 6 ist es zur Steuerung des Schuppenstromes 20 wesentlich, dass der Leerzustand sicher und rechtzeitig erkannt wird. Hierzu sind am Wickelkern 3 Mittel 7 angeordnet, mit denen festgestellt wird, ob der Wickelkern 3 leer oder belegt ist. Die Mittel 7 weisen einen zweiarmigen Hebel 8 auf, der an einer Achse 9 schwenkbar an der Peripherie des Wickelkern 3 gelagert ist. Im Abstand zur Achse 9 ist am Hebel 8 eine Nase 11 angebracht, die in der in Fig. 1 gezeigten Stellung des Hebels 8 durch eine Ausnehmung 16 über die Mantelfläche 12 des Wickelkerns 3 vorragt. An dem zur Nase 11 gegenüberliegenden Ende des Hebels 8 greift eine Druckfeder 10 an, die am Wickelkern 3 abgestützt ist und in Fig. 1 den Hebel 8 um die Achse 9 im Gegenuhrzeigersinn spannt. Die in Fig. 1 gezeigte Lage ist durch einen hier nicht näher gezeigten Anschlag begrenzt.To unwind a occupied winding core 3, this is in the Winding station docked and the winding core 3 is in the opposite direction the arrow 4 rotated and the winding tape 4 on the Winding mandrel 5 wound. The printed sheets 6 are here again released as a stream of shed and, for example, one Saddle stitcher fed for further processing. When unwinding the printed sheet 6 is used to control the scale flow 20 essential that the empty state is recognized safely and in good time becomes. For this purpose, 3 means 7 are arranged on the winding core, with which it is determined whether the winding core 3 is empty or occupied is. The means 7 have a two-armed lever 8, which is pivotable on an axis 9 on the periphery of the winding core 3 is stored. At a distance from the axis 9 is on the lever 8 Nose 11 attached, in the position shown in Fig. 1 of the lever 8 through a recess 16 over the lateral surface 12 of the winding core 3 protrudes. At the opposite of the nose 11 End of the lever 8 engages a compression spring 10 which on Winding core 3 is supported and in Fig. 1 the lever 8 around Tension axis 9 counterclockwise. The one shown in Fig. 1 Location is limited by a stop, not shown here.

Der Hebel 8 bildet ein Tastorgan und ist gemäss Fig. 3 so angeordnet, dass er unterhalb eines der beiden aufgewickelten Wickelbändern 4 angeordnet ist.The lever 8 forms a sensing element and is arranged according to FIG. 3 so that he wound up underneath one of the two Winding tapes 4 is arranged.

Am Hebel 8 ist im Abstand zur Achse 9 ein Reflektor 3 seitlich angebracht, welcher axial einfallendes Licht reflektiert. Im Abstand zu diesem Reflektor 3 ist gestellfest eine Fotozelle 17 angeordnet, welche parallel und im Abstand zur Achse 8 einen Lichtstrahl 19 gegen den Wickelkern 3 richtet. In Fig. 1 ist diese Fotozelle 17 etwa in Elf-Uhrstellung angeordnet. Befindet sich der Hebel 8 somit in der in Fig. 1 gezeigten Stellung, so trifft der Lichtstrahl 19 auf den Reflektor 13. Das Licht wird vom Reflektor 13 zurückgeworfen und gelangt zurück zur Fotozelle 17. Über eine Signalleitung 22 wird ein entsprechender Impuls an eine Steuerung 23 gesendet. In Fig. 1 ist die Position des Lichtstrahles 19 durch den Punkt P dargestellt.On the lever 8 is a reflector 3 laterally at a distance from the axis 9 attached, which reflects axially incident light. in the Distance to this reflector 3 is a photo cell fixed to the frame 17 arranged which parallel and at a distance from the axis 8 a Light beam 19 directed against the winding core 3. In Fig. 1 this photocell 17 is arranged approximately in the eleven o'clock position. Located the lever 8 is thus in the position shown in FIG. 1, so the light beam 19 hits the reflector 13. Das Light is reflected by the reflector 13 and comes back to the photocell 17. A corresponding line is connected via a signal line 22 Pulse sent to a controller 23. 1 is the position of the light beam 19 represented by the point P.

Wird der in Fig. 1 gezeigte leere Wickelkern 3 mit Druckbogen 6 belegt, so dreht wie bereits erwähnt der Wickelkern 3 in der Richtung des Pfeiles 14. Der Hebel 8 dreht entsprechend mit und gelangt in Fig. 1 schliesslich in die Sechs-Uhrstellung. Hier gelangt nun die Nase 11 in Eingriff mit dem gespannten Wickelband 4 und durch die Spannkraft des Wickelbandes 4 wird die Nase radial nach innen in die Ausnehmung 16 bewegt und entsprechend wird der Hebel 8 um die Achse 9 verschwenkt. Die Druckfeder 10 wird hierbei komprimiert. Die Fig. 2 zeigt diese Position des Hebels 8. Mit dem Hebel 8 wird selbstverständlich auch der Reflektor 13 radial nach innen bewegt. Wie die Fig. 2 zeigt, befindet sich nun der Reflektor 13 ausserhalb der Position des Lichtstrahls 19. Beim Aufwickeln erfährt somit der Lichtstrahl 19 in keiner Drehposition des Wickelkerns 3 eine Reflexion und entsprechend empfängt die Fotozelle 17 kein reflektiertes Licht. Beim Abwickeln verbleibt der Hebel 8 in der in Fig. 2 gezeigten gespannten Schwenklage, bis das Wickelband 4 lediglich noch einlagig anliegt und sich von der Nase 11 abhebt. Der Hebel 8 befindet sich dann etwa in Fig. 1 in Sechs-Uhrstellung. Der Bandanfang 4a befindet sich hierbei ebenfalls etwa in Sechs-Uhrstellung. Da der Hebel 8 durch das Wickelband 4 nicht mehr belastet ist, verschwenkt die Feder 10 den Hebel 8 in die in Fig. 1 gezeigte Stellung, in welcher die Nase 11 die Mantelfläche 12 überragt. Gelangt nun der Hebel 8 in die in Fig. 1 gezeigte Elf-Uhrstellung, so befindet sich der reflektierende Streifen 13 im Bereich des Lichtstrahles 19 und entsprechend sendet die Fotozelle 17 ein Signal an die Steuerung 23, welche den Abwickelvorgang unterbricht. Wie ersichtlich, wird der Leerzustand in einer Position des Wickelkernes 3 erkannt, in dem noch der in Fig. 1 gezeigte Bereich 4b des Wickelbandes 4 an der Mantelfläche 12 anliegt. Bis zur vollständigen Abwicklung ist somit noch eine Reserve durch den Bereich 4b vorhanden. Auch bei einer Verzögerung des Stillstandes ist damit gewährleistet, dass das Wickelband 4 vom Wickelkern 3 nicht abgerissen wird.If the empty winding core 3 shown in Fig. 1 with printed sheet 6 occupied, as already mentioned, the winding core 3 rotates in the Direction of arrow 14. The lever 8 rotates accordingly and finally reaches the six o'clock position in FIG. 1. Here now the nose 11 comes into engagement with the tensioned Wrapping tape 4 and by the tension of the wrapping tape 4 the nose moves radially inward into the recess 16 and Accordingly, the lever 8 is pivoted about the axis 9. The Compression spring 10 is compressed here. 2 shows this Position of lever 8. With lever 8 it goes without saying the reflector 13 also moved radially inwards. Like FIG. 2 shows, the reflector 13 is now outside the position of the light beam 19 Light beam 19 in no rotational position of the winding core 3 a Reflection and accordingly the photocell 17 does not receive any reflected Light. When unwinding, the lever 8 remains in the in Fig. 2 tensioned pivot position until the winding tape 4 only lies in one layer and stands out from the nose 11. The lever 8 is then approximately in Fig. 1 in the six o'clock position. The beginning of the band 4a is also here about six o'clock. Because the lever 8 through the winding tape 4 is no longer loaded, the spring 10 pivots the lever 8 in the position shown in Fig. 1, in which the nose 11th extends beyond the lateral surface 12. Now the lever 8 gets into the The eleven o'clock position shown in FIG. 1 is the reflective one Strip 13 in the area of the light beam 19 and the photocell 17 accordingly sends a signal to the controller 23, which interrupts the unwinding process. As can be seen becomes the empty state in a position of the winding core 3 recognized, in which the area 4b of the Wrapping tape 4 abuts the outer surface 12. Until complete Settlement is therefore still a reserve by the division 4b available. Even if the standstill is delayed this ensures that the winding tape 4 from the winding core 3 is not demolished.

Im dargestellten Ausführungsbeispiel wird der Hebel 8 durch das Wickelband 4 bzw. eines der beiden Wickelbänder 4 verschwenkt.In the illustrated embodiment, the lever 8 is through the winding tape 4 or one of the two winding tapes 4 is pivoted.

Claims (8)

Vorrichtung zum Auf- und Abwickeln von flachen Druckbogen (6) auf bzw. von einem drehbar gelagerten Wickelkern (3), dem zur Bildung von Wikkellagen (21) der Druckbogen (6) wenigstens ein von einem Wickeldorn (5) abrollbares, dem Wikkelkern (3) unterschlächtig zugeführtes Wickelband (4) zugeordnet ist, mit Mitteln (7) zum Erkennen der Belegung des Wickelkerns (3), dadurch gekennzeichnet, dass die Mittel (7) ein am Wickelkern (3) angeordnetes Tastorgan (8) aufweisen, das mit dem Wickelband (4) oder den Druckbogen (6) zusammenwirkt und anzeigt, ob der Wickelkern (3) leer oder belegt ist.Device for winding and unwinding flat printed sheets (6) onto or from a rotatably mounted winding core (3), which for forming winding layers (21) of the printing sheets (6) has at least one winding core (5) that can be rolled up by a winding mandrel (5). 3) undershot winding tape (4) is assigned, with means (7) for detecting the occupancy of the winding core (3), characterized in that the means (7) have a sensing element (8) arranged on the winding core (3), which with the winding tape (4) or the printed sheet (6) cooperates and indicates whether the winding core (3) is empty or occupied. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Tastorgan (8) am Umfang des Wickelkerns (3) angeordnet ist.Apparatus according to claim 1, characterized in that the sensing element (8) is arranged on the circumference of the winding core (3). Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Tastorgan (8) eine Tastnase (11) aufweist, der bei leerem Wickelkern (3) radial am Umfang (12) des Wickelkern (3) vorsteht.Device according to claim 1 or 2, characterized in that the sensing element (8) has a sensing lug (11) which projects radially on the circumference (12) of the winding core (3) when the winding core (3) is empty. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Tastorgan (8) als Hebel ausgebildet ist, der in einer Ausnehmung (16) am Umfang (12) des Wickelkerns (3) federnd gelagert ist.Device according to one of claims 1 to 3, characterized in that the sensing element (8) is designed as a lever which is resiliently mounted in a recess (16) on the circumference (12) of the winding core (3). Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der Hebel (8) im Abstand zu einer Schwenkachse (9) eine Nase (11) aufweist, die bei leerem Wickelkern (3) über die Mantelfläche (12) des Wickelkerns (3) vorsteht und bei belegtem Wickelkern (3) gegen die rückwirkende Kraft einer Feder (10) vom Wickelband (4) oder von Druckbogen (6) radial nach innen gedrückt wird.Apparatus according to claim 4, characterized in that the lever (8) at a distance from a pivot axis (9) has a nose (11) which, when the winding core (3) is empty, projects beyond the lateral surface (12) of the winding core (3) and at occupied winding core (3) is pressed radially inwards against the retroactive force of a spring (10) by the winding tape (4) or by printed sheet (6). Vorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Schwenkposition des Hebels (8) von einer ausserhalb des Wickelkerns (4) angeordneten Fotozelle (17) detektiert wird. Apparatus according to claim 4 or 5, characterized in that the pivot position of the lever (8) is detected by a photocell (17) arranged outside the winding core (4). Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Fotozelle (17) mit einem am Hebel (8) angeordneten Reflektor (13) zusammenwirkt.Apparatus according to claim 6, characterized in that the photocell (17) interacts with a reflector (13) arranged on the lever (8). Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Tastorgan (8) in Umfangsrichtung gesehen in vergleichsweise kurzem Abstand vor dem Bandanfang (4a) angeordnet ist, derart, dass bei einer vorbestimmten Restlänge (4b) der Wickellage bzw. des Wickelbandes ein Leerzustand angezeigt wird.Device according to one of claims 1 to 7, characterized in that the sensing element (8), viewed in the circumferential direction, is arranged at a comparatively short distance from the start of the tape (4a), such that at a predetermined remaining length (4b) of the winding layer or the winding tape an empty state is displayed.
EP00810429A 2000-05-17 2000-05-17 Device for winding and unwinding of flat printed sheets onto or from a rotatably journalled winding core Expired - Lifetime EP1155990B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP00810429A EP1155990B1 (en) 2000-05-17 2000-05-17 Device for winding and unwinding of flat printed sheets onto or from a rotatably journalled winding core
DE50007292T DE50007292D1 (en) 2000-05-17 2000-05-17 Device for winding and unwinding flat printed sheets on or from a rotatably mounted winding core
AT00810429T ATE272556T1 (en) 2000-05-17 2000-05-17 DEVICE FOR WINDING AND UNWINDING FLAT PRINTED SHEETS ON OR FROM A ROTATING CORE
DK00810429T DK1155990T3 (en) 2000-05-17 2000-05-17 Apparatus for unrolling and unrolling flat printing sheets respectively from a pivotally mounted coil core
US09/854,207 US6520446B2 (en) 2000-05-17 2001-05-11 Device for winding and unwinding flat printed sheets onto or from a rotary winding drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00810429A EP1155990B1 (en) 2000-05-17 2000-05-17 Device for winding and unwinding of flat printed sheets onto or from a rotatably journalled winding core

Publications (2)

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EP1155990A1 true EP1155990A1 (en) 2001-11-21
EP1155990B1 EP1155990B1 (en) 2004-08-04

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EP00810429A Expired - Lifetime EP1155990B1 (en) 2000-05-17 2000-05-17 Device for winding and unwinding of flat printed sheets onto or from a rotatably journalled winding core

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US (1) US6520446B2 (en)
EP (1) EP1155990B1 (en)
AT (1) ATE272556T1 (en)
DE (1) DE50007292D1 (en)
DK (1) DK1155990T3 (en)

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JP4811432B2 (en) * 2008-06-24 2011-11-09 沖電気工業株式会社 Medium storage and feeding device
JP6539991B2 (en) * 2014-11-14 2019-07-10 沖電気工業株式会社 Medium processing apparatus and medium transaction apparatus

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CH682657A5 (en) 1991-02-13 1993-10-29 Grapha Holding Ag Method and apparatus for producing a roll.
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DE2726855A1 (en) * 1977-06-15 1979-05-03 Agfa Gevaert Ag Film strip end detection device - has initiator on bridge working with metal on winding core
JPS60183457A (en) * 1984-02-28 1985-09-18 Fuji Xerox Co Ltd Paper feeder
EP0447903A1 (en) * 1990-03-23 1991-09-25 Ferag AG Device for unwinding flexible flat products from a roll
EP0529764A1 (en) * 1991-08-30 1993-03-03 BALDWIN GRAPHIC SYSTEMS, Inc. Method and system for determining the end of a cloth roll for use in blanket cleaners for printing presses
EP0710569A1 (en) * 1994-11-01 1996-05-08 Altech Company Limited Paper-end detector

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Also Published As

Publication number Publication date
US20010042809A1 (en) 2001-11-22
EP1155990B1 (en) 2004-08-04
ATE272556T1 (en) 2004-08-15
DE50007292D1 (en) 2004-09-09
DK1155990T3 (en) 2004-12-06
US6520446B2 (en) 2003-02-18

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