EP1365983B1 - Conveying unit for flat objects - Google Patents

Conveying unit for flat objects Download PDF

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Publication number
EP1365983B1
EP1365983B1 EP01989407A EP01989407A EP1365983B1 EP 1365983 B1 EP1365983 B1 EP 1365983B1 EP 01989407 A EP01989407 A EP 01989407A EP 01989407 A EP01989407 A EP 01989407A EP 1365983 B1 EP1365983 B1 EP 1365983B1
Authority
EP
European Patent Office
Prior art keywords
endless belt
feeding unit
unit according
speed
roll
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.)
Expired - Lifetime
Application number
EP01989407A
Other languages
German (de)
French (fr)
Other versions
EP1365983A1 (en
Inventor
Berthold Peter Held
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
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Koenig and Bauer AG
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Filing date
Publication date
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Publication of EP1365983A1 publication Critical patent/EP1365983A1/en
Application granted granted Critical
Publication of EP1365983B1 publication Critical patent/EP1365983B1/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
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/28—Folding in combination with cutting
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
    • B65H2301/44314—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material between belts and cylinder
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
    • B65H2301/44316—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material between belts
    • 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
    • B65H2404/20—Belts
    • B65H2404/25—Driving or guiding arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • 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 conveyor unit for conveying flat objects according to the preamble of claim 1.
  • Such conveyor units are such.
  • B. used in folders to promote signatures that have previously been cut from a web of printing material.
  • the signatures consist of a variable number of sheets that are not connected to each other. It is therefore of great importance when conveying the signatures that the two endless belts and the roller move at precisely coordinated speeds in order to avoid that shear forces act on the signatures which are jammed between them, which leads to a deformation and a fanning out of the Signatures can lead in the course of the transport.
  • the movement of the second endless belt is coupled to the rotation of the roller via a transmission gear with a fixed transmission ratio.
  • the first endless belt partially wrapping around the lateral surface of the roller is driven by the roller by friction.
  • the web speed of the first belt corresponds to the peripheral speed of the roller when no objects are conveyed between the two. If there are objects being conveyed in the looping area between the roller and the first belt, this has an effect on the speed of the first belt as an increase in the diameter of the roller.
  • the speed of the first belt therefore increases with the thickness of the objects to be conveyed.
  • the speed of the second belt is constant. This stipulates that the two belts only have a specific thickness to be conveyed Objects run exactly the same way so that the objects are not exposed to shear forces.
  • the invention has for its object to provide a conveyor unit for flat objects.
  • the conveyor unit has a drive device for the second belt that can be controlled independently of the rotational speed of the roller.
  • This drive device is expediently assigned to a control device, which works towards an adjustment of the speeds of the two belts.
  • This control device preferably controls the speed of the second belt with a variable proportionality factor proportional to the speed of rotation of the roller. By adjusting the proportionality factor as a function of the thickness of the objects to be conveyed, objects of different thicknesses can be conveyed without shear.
  • control device can be coupled to a sensor for measuring the speed of the first belt. Its speed varies linearly with the thickness of the objects being conveyed; by simply adjusting the speed of the two belts, freedom from shear can be achieved.
  • control device it is also conceivable to couple the control device to a sensor for detecting a shear deformation of the conveyed objects.
  • a sensor for detecting a shear deformation of the conveyed objects.
  • Such a sensor can e.g. B. implemented by a camera with connected image processing electronics.
  • an operator it is also possible for an operator to vary the proportionality factor by hand on the basis of a determined shear deformation of the conveyed objects.
  • Another possibility is to couple a sensor for detecting a thickness of the objects to the control device.
  • a sensor for detecting a thickness of the objects to the control device.
  • Such a sensor can in particular be arranged in front of the input of the control device in order to be able to adapt the belt speeds of the conveyor unit to a changed thickness, even before the object on which the thickness measurement was carried out reaches the conveyor unit.
  • the drawing shows a schematic section through a conveyor unit according to the invention.
  • the conveyor unit is arranged in connection with a cutting unit formed from a knife cylinder 02 and a given overlying groove cylinder 03, with which a superstructure, not shown in the drawing, is cut into strands using a plurality of rotating longitudinal cutting knives and one above the other laid material web 01, z. B. a paper web 01 is cut into individual signatures.
  • the signatures therefore consist of a different number of sheets of paper lying on top of one another, which are not firmly held together and are therefore open on all four sides.
  • the route along which the signatures are conveyed in the conveyor unit can be divided into two sections, a first section 08, in which the signatures are transported compressed between a first endless belt 04 and a second endless belt 06, and a second section 09, in which they between the first endless belt 04 and a roller 07, z. B. a collecting cylinder 07 and / or folding knife cylinder of a folder of a rotary printing press.
  • the collecting cylinder 07 is driven by a motor, not shown in the drawing.
  • the first endless belt 04 which in the second section 09 wraps around the collecting cylinder 07 over an angular range of at least 90 °, preferably about 180 °, is driven by the collecting cylinder 07 by friction. If signatures are conveyed in the second section 09, these transfer the driving force from the collecting cylinder 07 to the first endless belt 04.
  • the outside of the signatures facing away from the collecting cylinder 07 have a slightly greater path speed than the outer surface of the collecting cylinder due to their greater distance from the center of rotation of the collecting cylinder 07 07 itself, the speed difference being proportional to the thickness of the signatures.
  • the speed of the first endless belt 04 therefore adapts automatically as the thickness of the signatures changes.
  • the second endless belt 06 is driven by a frequency-controlled motor 12 via an intermediate wheel 11.
  • the speed of the motor 12 is regulated by a control device 13, the task of which is to keep the web speeds of the two endless belts 04 and 06 equal to one another and thus to avoid the sheets of the signatures their passage through the first section 08 against each other and the signatures become unsightly or unusable.
  • the control device 13 is connected to two speed sensors for the web speed of the first and second endless belts 04 and 06 and acts on an adjustment of these web speeds.
  • the speed sensors can e.g. B. be angle encoder, each on a deflection roller 14 or 16 of the first or second endless belt 04; 06 are arranged and each time the deflection roller 04; 06 has traveled a fixed angle of rotation, deliver a pulse to the control device 13.
  • These rotation angle sensors are preferably of identical construction and are on deflection rollers 14; 16 mounted with the same radius.
  • control device 13 can have an identical path speed of the endless belts 04; 06 thereby ensure that it maintains a constant, preferably vanishing phase offset between the pulses supplied by the two sensors.
  • the speed of the second endless belt 06 is then proportional to the speed of the collecting cylinder 07, the proportionality factor being determined by the thickness of the signatures conveyed between the collecting cylinder 07 and the first endless belt 04.
  • Another possibility of regulating the speed of the second endless belt is to connect the control device 13 on the one hand to a sensor for the speed of the first endless belt 04 or the rotational speed of the collecting cylinder 07 and on the other hand to a sensor for the thickness of the signatures to be transported, whereby Then the control device 13 calculates a speed to be maintained by the motor 12 from the measured speed, corrected by a proportionality factor dependent on the measured thickness.
  • a sensor for the thickness of the signatures or a size proportional to them can largely be used any place in the conveyor unit itself or better still be arranged on the material web 01 before the start of the conveyor unit.
  • a camera with an image processing unit is provided at the output of the conveyor unit, which monitors the conveyed signatures for the occurrence of shear. If a shear is determined, the control device 13 varies the proportionality factor on which it is based between the rotational speed of the collecting cylinder 07 and the speed of the second endless belt 06 until the shear disappears or is reduced to a portable level.

Abstract

A conveying unit that is useable for the conveyance of generally flat objects, particularly in a folder of a rotary printing press, includes endless first and second belts and a roller. A conveying path for the flat objects extends initially between the two belts and then subsequently between the second belt and the surface of the roller. The second belt is driven by a drive device at a speed which can be regulated independently of the rotational speed of the roller.

Description

Die Erfindung betrifft eine Fördereinheit zum Fördern von flachen Gegenständen gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a conveyor unit for conveying flat objects according to the preamble of claim 1.

Derartige Fördereinheiten werden z. B. in Falzapparaten eingesetzt, um Signaturen zu fördern, die zuvor von einer Bahn eines Bedruckstoffs abgeschnitten worden sind.Such conveyor units are such. B. used in folders to promote signatures that have previously been cut from a web of printing material.

Die Signaturen bestehen aus einer variablen Zahl von Bögen, die untereinander unverbunden sind. Es ist daher von großer Bedeutung bei der Förderung der Signaturen, dass die zwei endlosen Bänder und die Walze sich mit exakt aufeinander abgestimmten Geschwindigkeiten bewegen, um zu vermeiden, dass auf zwischen ihnen eingeklemmte Signaturen Scherkräfte einwirken, die zu einer Verformung und zu einem Auffächern der Signaturen im Laufe des Transports führen können.The signatures consist of a variable number of sheets that are not connected to each other. It is therefore of great importance when conveying the signatures that the two endless belts and the roller move at precisely coordinated speeds in order to avoid that shear forces act on the signatures which are jammed between them, which leads to a deformation and a fanning out of the Signatures can lead in the course of the transport.

Bei herkömmlichen Fördereinheiten der oben angegebenen Art ist die Bewegung des zweiten endlosen Bandes über ein Übersetzungsgetriebe mit einem fest vorgegebenen Übersetzungsverhältnis an die Drehung der Walze gekoppelt. Das die Mantelfläche der Walze teilweise umschlingende erste endlose Band wird über die Walze durch Reibung angetrieben. Infolgedessen entspricht die Bahngeschwindigkeit des ersten Bandes der Umfangsgeschwindigkeit der Walze, wenn zwischen beiden keine Gegenstände gefördert werden. Wenn sich geförderte Gegenstände im Umschlingungsbereich zwischen der Walze und dem ersten Band befinden, so wirkt sich dies für die Geschwindigkeit des ersten Bandes wie eine Vergrößerung des Durchmessers der Walze aus. Die Geschwindigkeit des ersten Bandes nimmt also mit der Dicke der zu fördernden Gegenstände zu. Die Geschwindigkeit des zweiten Bandes ist konstant. Dadurch ist vorgegeben, dass die zwei Bänder nur bei einer bestimmten Dicke der zu fördernden Gegenstände exakt gleich laufen, so dass die Gegenstände keinen Scherungskräften ausgesetzt sind.In conventional conveyor units of the type specified above, the movement of the second endless belt is coupled to the rotation of the roller via a transmission gear with a fixed transmission ratio. The first endless belt partially wrapping around the lateral surface of the roller is driven by the roller by friction. As a result, the web speed of the first belt corresponds to the peripheral speed of the roller when no objects are conveyed between the two. If there are objects being conveyed in the looping area between the roller and the first belt, this has an effect on the speed of the first belt as an increase in the diameter of the roller. The speed of the first belt therefore increases with the thickness of the objects to be conveyed. The speed of the second belt is constant. This stipulates that the two belts only have a specific thickness to be conveyed Objects run exactly the same way so that the objects are not exposed to shear forces.

Die DE 42 41 810 A1, die dem Oberbegriff des Anspruchs 1 entspricht, offenbart einen Falzapparat, bei dem zwischen Schneidzylinder und Falzzylinder erste und zweite Bänder angeordnet sind. Diese Bänder werden gemeinsam von einem eigenen Motor angetrieben.DE 42 41 810 A1, which corresponds to the preamble of claim 1, discloses a folding apparatus in which first and second bands are arranged between the cutting cylinder and the folding cylinder. These belts are driven together by their own motor.

Der Erfindung liegt die Aufgabe zugrunde, eine Fördereinheit für flache Gegenstände zu schaffen.The invention has for its object to provide a conveyor unit for flat objects.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst.The object is achieved by the features of claim 1.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß auch bei unterschiedlicher Dicke der zu fördernden Gegenstände stets Gleichlauf zwischen den zwei endlosen Bändern hergestellt werden kann, so dass die Gegenstände schonend und scherungsfrei gefördert werden können.The advantages achievable with the invention consist in particular in that, even with different thicknesses of the objects to be conveyed, synchronism can always be established between the two endless belts, so that the objects can be conveyed gently and without shear.

Zu diesem Zweck ist vorgesehen, daß die Fördereinheit eine von der Drehgeschwindigkeit der Walze unabhängig regelbare Antriebseinrichtung für das zweite Band aufweist.For this purpose, it is provided that the conveyor unit has a drive device for the second belt that can be controlled independently of the rotational speed of the roller.

Diese Antriebseinrichtung ist zweckmäßigerweise einer Regeleinrichtung zugeordnet, die auf eine Angleichung der Geschwindigkeiten der zwei Bänder hinwirkt. Diese Regeleinrichtung regelt vorzugsweise die Geschwindigkeit des zweiten Bandes mit einem variierbaren Proportionalitätsfaktor proportional zur Drehgeschwindigkeit der Walze. Durch Anpassen des Proportionalitätsfaktors in Abhängigkeit von der Dicke der zu fördernden Gegenstände kann erreicht werden, dass Gegenstände unterschiedlicher Dicke scherungsfrei gefördert werden.This drive device is expediently assigned to a control device, which works towards an adjustment of the speeds of the two belts. This control device preferably controls the speed of the second belt with a variable proportionality factor proportional to the speed of rotation of the roller. By adjusting the proportionality factor as a function of the thickness of the objects to be conveyed, objects of different thicknesses can be conveyed without shear.

Um den Proportionalitätsfaktor festzulegen, kann die Regeleinrichtung an einen Sensor zum Messen der Geschwindigkeit des ersten Bandes gekoppelt sein. Dessen Geschwindigkeit variiert linear mit der Dicke der geförderten Gegenstände; durch eine einfache Angleichung der Geschwindigkeit der zwei Bänder ist die Scherungsfreiheit zu erreichen.In order to determine the proportionality factor, the control device can be coupled to a sensor for measuring the speed of the first belt. Its speed varies linearly with the thickness of the objects being conveyed; by simply adjusting the speed of the two belts, freedom from shear can be achieved.

Denkbar ist auch, die Regeleinrichtung an einem Sensor zum Erfassen einer Scherverformung der geförderten Gegenstände zu koppeln. Ein solcher Sensor kann z. B. durch eine Kamera mit angeschlossener Bildverarbeitungselektronik implementiert sein. Möglich ist aber auch, dass eine Bedienungsperson anhand einer festgestellten Scherverformung der geförderten Gegenstände den Proportionalitätsfaktor von Hand variiert.It is also conceivable to couple the control device to a sensor for detecting a shear deformation of the conveyed objects. Such a sensor can e.g. B. implemented by a camera with connected image processing electronics. However, it is also possible for an operator to vary the proportionality factor by hand on the basis of a determined shear deformation of the conveyed objects.

Eine weitere Möglichkeit ist, einen Sensor zum Erfassen einer Dicke der Gegenstände an die Regeleinrichtung zu koppeln. Ein solcher Sensor kann insbesondere noch vor dem Eingang der Regeleinrichtung angeordnet sein, um die Bandgeschwindigkeiten der Fördereinheit an eine geänderte Dicke anpassen zu können, noch bevor der Gegenstand, an dem die Dickenmessung durchgeführt wurde, die Fördereinheit erreicht.Another possibility is to couple a sensor for detecting a thickness of the objects to the control device. Such a sensor can in particular be arranged in front of the input of the control device in order to be able to adapt the belt speeds of the conveyor unit to a changed thickness, even before the object on which the thickness measurement was carried out reaches the conveyor unit.

Ein Ausführungsbeispiel ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment is shown in the drawing and will be described in more detail below.

Die Zeichnung zeigt einen schematischen Schnitt durch eine erfindungsgemäße Fördereinheit.The drawing shows a schematic section through a conveyor unit according to the invention.

Die Fördereinheit ist im Anschluss an eine aus einem Messerzylinder 02 und einem gegebenenüberliegenden Nutenzylinder 03 gebildete Schneideinheit angeordnet, mit der eine in einem darüberliegenden, in der Zeichnung nicht dargestellten Überbau mit Hilfe mehrerer rotierender Längsschneidmesser in Stränge geschnittene und übereinander gelegte Materialbahn 01, z. B. eine Papierbahn 01, in einzelne Signaturen zerschnitten wird. Die Signaturen bestehen daher aus einer unterschiedlichen Anzahl von übereinanderliegenden Papierbögen, die nicht fest zusammengehalten sind und daher an allen vier Seiten offen sind.
Die Strecke, entlang der die Signaturen in der Fördereinheit gefördert werden, kann in zwei Abschnitte untergliedert werden, einen ersten Abschnitt 08, in dem die Signaturen zwischen einem ersten Endlosband 04 und einem zweiten Endlosband 06 zusammengedrückt transportiert werden, und einen zweiten Abschnitt 09, in dem sie zwischen dem ersten Endlosband 04 und einer Walze 07, z. B. einem Sammelzylinder 07 und/oder Falzmesserzylinder eines Falzapparates einer Rotationsdruckmaschine, transportiert werden.The conveyor unit is arranged in connection with a cutting unit formed from a knife cylinder 02 and a given overlying groove cylinder 03, with which a superstructure, not shown in the drawing, is cut into strands using a plurality of rotating longitudinal cutting knives and one above the other laid material web 01, z. B. a paper web 01 is cut into individual signatures. The signatures therefore consist of a different number of sheets of paper lying on top of one another, which are not firmly held together and are therefore open on all four sides.
The route along which the signatures are conveyed in the conveyor unit can be divided into two sections, a first section 08, in which the signatures are transported compressed between a first endless belt 04 and a second endless belt 06, and a second section 09, in which they between the first endless belt 04 and a roller 07, z. B. a collecting cylinder 07 and / or folding knife cylinder of a folder of a rotary printing press.

Der Sammelzylinder 07 ist durch einen in der Zeichnung nicht dargestellten Motor angetrieben. Das erste Endlosband 04, das im zweiten Abschnitt 09 den Sammelzylinder 07 auf einem Winkelbereich von mindestens 90°, vorzugsweise etwa 180° umschlingt, wird von dem Sammelzylinder 07 durch Reibung angetrieben. Wenn Signaturen im zweiten Abschnitt 09 gefördert werden, übertragen diese die Antriebskraft vom Sammelzylinder 07 auf das erste Endlosband 04. Dabei haben die vom Sammelzylinder 07 abgewandten Außenseiten der Signaturen infolge ihres größeren Abstands vom Drehmittelpunkt des Sammelzylinders 07 eine geringfügig größere Bahngeschwindigkeit als die Mantelfläche des Sammelzylinders 07 selber, wobei der Geschwindigkeitsunterschied proportional zur Dicke der Signaturen ist. Die Geschwindigkeit des ersten Endlosbandes 04 passt sich daher bei wechselnder Dicke der Signaturen automatisch an.The collecting cylinder 07 is driven by a motor, not shown in the drawing. The first endless belt 04, which in the second section 09 wraps around the collecting cylinder 07 over an angular range of at least 90 °, preferably about 180 °, is driven by the collecting cylinder 07 by friction. If signatures are conveyed in the second section 09, these transfer the driving force from the collecting cylinder 07 to the first endless belt 04. The outside of the signatures facing away from the collecting cylinder 07 have a slightly greater path speed than the outer surface of the collecting cylinder due to their greater distance from the center of rotation of the collecting cylinder 07 07 itself, the speed difference being proportional to the thickness of the signatures. The speed of the first endless belt 04 therefore adapts automatically as the thickness of the signatures changes.

Das zweite Endlosband 06 ist über ein Zwischenrad 11 von einem frequenzgeregelten Motor 12 angetrieben. Die Geschwindigkeit des Motors 12 ist von einer Regeleinrichtung 13 geregelt, deren Aufgabe es ist, die Bahngeschwindigkeiten der zwei Endlosbänder 04 und 06 einander gleich zu halten und so zu vermeiden, dass die Blätter der Signaturen bei ihrem Durchgang durch den ersten Abschnitt 08 gegeneinander verschoben werden und die Signaturen so unansehnlich oder unbrauchbar werden.The second endless belt 06 is driven by a frequency-controlled motor 12 via an intermediate wheel 11. The speed of the motor 12 is regulated by a control device 13, the task of which is to keep the web speeds of the two endless belts 04 and 06 equal to one another and thus to avoid the sheets of the signatures their passage through the first section 08 against each other and the signatures become unsightly or unusable.

Zu diesem Zweck ist die Regeleinrichtung 13 gemäß einer ersten Ausgestaltung der Erfindung mit zwei Geschwindigkeitssensoren für die Bahngeschwindigkeit des ersten und des zweiten Endlosbandes 04 bzw. 06 verbunden und wirkt auf eine Angleichung dieser Bahngeschwindigkeiten hin. Die Geschwindigkeitssensoren können z. B. Drehwinkelgeber sein, die jeweils an einer Umlenkwalze 14 bzw. 16 des ersten bzw. zweiten Endlosbandes 04; 06 angeordnet sind und die jedesmal, wenn die Umlenkwalze 04; 06 einen festgelegten Drehwinkel zurückgelegt hat, einen Impuls an die Regeleinrichtung 13 liefern. Vorzugsweise sind diese Drehwinkelsensoren baugleich und sind an Umlenkwalzen 14; 16 mit gleichem Radius montiert. In diesem Fall kann die Regeleinrichtung 13 eine identische Bahngeschwindigkeit der Endlosbänder 04; 06 dadurch gewährleisten, dass sie einen konstanten, vorzugsweise verschwindenden Phasenversatz zwischen den von den zwei Sensoren gelieferten Impulsen aufrechterhält. Die Geschwindigkeit des zweiten Endlosbandes 06 ist dann proportional zu der Geschwindigkeit des Sammelzylinders 07, wobei der Proportionalitätsfaktor durch die Dicke der zwischen dem Sammelzylinder 07 und dem ersten Endlosband 04 geförderten Signaturen bestimmt ist.For this purpose, the control device 13 according to a first embodiment of the invention is connected to two speed sensors for the web speed of the first and second endless belts 04 and 06 and acts on an adjustment of these web speeds. The speed sensors can e.g. B. be angle encoder, each on a deflection roller 14 or 16 of the first or second endless belt 04; 06 are arranged and each time the deflection roller 04; 06 has traveled a fixed angle of rotation, deliver a pulse to the control device 13. These rotation angle sensors are preferably of identical construction and are on deflection rollers 14; 16 mounted with the same radius. In this case, the control device 13 can have an identical path speed of the endless belts 04; 06 thereby ensure that it maintains a constant, preferably vanishing phase offset between the pulses supplied by the two sensors. The speed of the second endless belt 06 is then proportional to the speed of the collecting cylinder 07, the proportionality factor being determined by the thickness of the signatures conveyed between the collecting cylinder 07 and the first endless belt 04.

Eine andere Möglichkeit, die Geschwindigkeit des zweiten Endlosbandes zu regeln, ist, die Regeleinrichtung 13 einerseits mit einem Sensor für die Geschwindigkeit des ersten Endlosbandes 04 oder die Drehgeschwindigkeit des Sammelzylinders 07 und andererseits mit einem Sensor für die Dicke der zu transportierenden Signaturen zu verbinden, wobei dann die Regeleinrichtung 13 eine vom Motor 12 einzuhaltende Geschwindigkeit aus der gemessenen Geschwindigkeit, korrigiert durch einen von der gemessenen Dicke abhängigen Proportionalitätsfaktor, berechnet. Ein Sensor für die Dicke der Signaturen oder eine dazu proportionale Größe kann an einer weitgehend beliebigen Stelle in der Fördereinheit selbst oder besser noch vor Beginn der Fördereinheit an der Materialbahn 01 angeordnet sein.Another possibility of regulating the speed of the second endless belt is to connect the control device 13 on the one hand to a sensor for the speed of the first endless belt 04 or the rotational speed of the collecting cylinder 07 and on the other hand to a sensor for the thickness of the signatures to be transported, whereby Then the control device 13 calculates a speed to be maintained by the motor 12 from the measured speed, corrected by a proportionality factor dependent on the measured thickness. A sensor for the thickness of the signatures or a size proportional to them can largely be used any place in the conveyor unit itself or better still be arranged on the material web 01 before the start of the conveyor unit.

Denkbar ist auch, dass eine Bedienungsperson eine bekannte Dicke der Signaturen, ihre Blattzahl und Flächengewicht des Papiers oder eine beliebige äquivalente Kombination von Parametern an einem Regler der Regeleinrichtung 13 einstellt.
An einem solchen Regler kann eine Bedienungsperson auch nachträgliche Korrekturen vornehmen, wenn sie erkennt, dass die von der Fördereinheit geförderten Signaturen geschert sind.It is also conceivable that an operator sets a known thickness of the signatures, their number of sheets and basis weight of the paper or any equivalent combination of parameters on a controller of the control device 13.
An operator can also make subsequent corrections to such a controller if he recognizes that the signatures conveyed by the conveyor unit have been sheared.

Einer nicht dargestellten Abwandlung zufolge ist am Ausgang der Fördereinheit eine Kamera mit einer Bildverarbeitungseinheit vorgesehen, die die geförderten Signaturen auf das Auftreten einer Scherung überwacht. Wenn eine Scherung festgestellt wird, variiert die Regeleinrichtung 13 den von ihr zugrundegelegten Proportionalitätsfaktor zwischen der Drehgeschwindigkeit des Sammelzylinders 07 und der Geschwindigkeit des zweiten Endlosbandes 06 so lange, bis die Scherung verschwindet oder auf ein tragbares Maß reduziert ist.According to a modification, not shown, a camera with an image processing unit is provided at the output of the conveyor unit, which monitors the conveyed signatures for the occurrence of shear. If a shear is determined, the control device 13 varies the proportionality factor on which it is based between the rotational speed of the collecting cylinder 07 and the speed of the second endless belt 06 until the shear disappears or is reduced to a portable level.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

0101
Materialbahn, PapierbahnMaterial web, paper web
0202
Messerzylinderdiameter cylinder
0303
Nutenzylindergrooved cylinder
0404
Endlosband, erstesEndless belt, first
0505
--
0606
Endlosband, zweitesEndless belt, second
0707
Sammelzylindercollecting cylinder
0808
Abschnitt, ersterSection, first
0909
Abschnitt, zweiterSection, second
1010
--
1111
Zwischenradidler
1212
Motorengine
1313
Regeleinrichtungcontrol device
1414
Umlenkwalzedeflecting
1515
--
1616
Umlenkwalzedeflecting

Claims (13)

  1. Feeding unit for feeding flat objects, having a first and a second endless belt (04, 06) and a roll (07), a feed path for the objects extending between on the one hand the first endless belt (04) and on the other hand the second endless belt (06) and a part of the circumference of the roll (07), characterised in that the first endless belt (04) and the second endless belt (06) can be driven independently of one another, in that a drive means (12) able to be regulated independently of the speed of rotation of the roll (07) is arranged for the second endless belt (06), and in that a regulating means (13) is arranged for the drive means (12), which regulating means (13) acts to match the speed of the two endless belts (04, 06).
  2. Feeding unit according to claim 1, characterised in that the regulating means (13) regulates the speed of the second endless belt (06) with a variable proportionality factor, in proportion to the speed of rotation of the roll (07).
  3. Feeding unit according to claim 1, characterised in that the regulating means (13) is coupled to a sensor for measuring the speed of the first endless belt (04).
  4. Feeding unit according to claim 1, characterised in that the regulating means (13) is coupled to a sensor for detecting a deformation in shear of the objects being fed.
  5. Feeding unit according to claim 1, characterised in that the regulating means (13) is coupled to a sensor for detecting the thickness of the objects being fed.
  6. Feeding unit according to claim 5, characterised in that the sensor is arranged upstream of the feed path in the direction of feed.
  7. Feeding unit according to one of the foregoing claims, characterised in that the first endless belt (04) is coupled to the drive for the roll (07).
  8. Feeding unit according to claim 7, characterised in that the first endless belt (04) is driven by frictional contact with the roll (07).
  9. Feeding unit according to one of the foregoing claims, characterised in that the drive means (12) comprises a frequency-controlled motor.
  10. Feeding unit according to one of the foregoing claims, characterised in that it is arranged to follow a cutting unit (02, 03) in a folding apparatus.
  11. Feeding unit according to claim 1, characterised in that the roll (07) is in the form of a cylinder (07) of a folding apparatus.
  12. Feeding unit according to claim 11, characterised in that the cylinder (07) is in the form of a collecting cylinder (07).
  13. Feeding unit according to claim 11, characterised in that the first endless belt (04) is looped round the cylinder (07) for at least 90°.
EP01989407A 2001-03-06 2001-12-14 Conveying unit for flat objects Expired - Lifetime EP1365983B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10111361A DE10111361C2 (en) 2001-03-06 2001-03-06 Conveyor unit for flat objects
DE10111361 2001-03-06
PCT/DE2001/004717 WO2002070384A1 (en) 2001-03-06 2001-12-14 Conveying unit for flat objects

Publications (2)

Publication Number Publication Date
EP1365983A1 EP1365983A1 (en) 2003-12-03
EP1365983B1 true EP1365983B1 (en) 2004-12-29

Family

ID=7676857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01989407A Expired - Lifetime EP1365983B1 (en) 2001-03-06 2001-12-14 Conveying unit for flat objects

Country Status (8)

Country Link
US (1) US6691995B2 (en)
EP (1) EP1365983B1 (en)
JP (1) JP3612318B2 (en)
CN (1) CN1245322C (en)
AT (1) ATE285973T1 (en)
DE (2) DE10111361C2 (en)
RU (1) RU2267455C2 (en)
WO (1) WO2002070384A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10347572B3 (en) * 2003-10-14 2005-05-19 Koenig & Bauer Ag A display device
JP2012243335A (en) * 2011-05-17 2012-12-10 Sony Corp Disk conveyance device and disk storage system
CN114013913B (en) * 2021-10-29 2024-04-16 广东全帝科技有限公司 Conveying device and visual detection device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210315B (en) * 1962-04-27 1966-02-03 Erk Maschb Device for collecting sheets of paper or the like and for forwarding the sheet packages
DE6925525U (en) * 1969-06-26 1969-11-13 Albert Schnellpressen DEVICE FOR GUIDING AND TRANSPORTING THE PAPER TRACK SECTIONS IN THE FOLDING UNIT
DE2737858C2 (en) * 1977-08-23 1981-12-03 Koenig & Bauer AG, 8700 Würzburg Web-fed rotary printing press
JPS54154622A (en) * 1978-05-26 1979-12-05 Toshiba Mach Co Ltd Paper folding apparatus for rotary press
DE2846191C3 (en) * 1978-10-24 1981-08-13 Koenig & Bauer AG, 8700 Würzburg Folder for web-fed rotary printing machines
DE2931968B1 (en) * 1979-08-07 1981-07-16 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Folder on web-fed rotary printing machines
US4381106A (en) * 1981-06-08 1983-04-26 Motter Printing Press Co. Collect cylinder for a rotary folder
DE3143242C1 (en) * 1981-10-31 1993-04-15 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Folder with a ribbon cable for sheet guiding
DE3816690A1 (en) * 1988-05-17 1989-11-23 Roland Man Druckmasch FOLDING APPARATUS
DE4241810C2 (en) * 1992-12-11 2001-01-04 Heidelberger Druckmasch Ag Variable-format combination folder

Also Published As

Publication number Publication date
DE10111361C2 (en) 2003-10-09
CN1433371A (en) 2003-07-30
ATE285973T1 (en) 2005-01-15
US20030102616A1 (en) 2003-06-05
JP2004518596A (en) 2004-06-24
EP1365983A1 (en) 2003-12-03
RU2003129634A (en) 2005-02-27
US6691995B2 (en) 2004-02-17
JP3612318B2 (en) 2005-01-19
DE10111361A1 (en) 2002-09-19
DE50104997D1 (en) 2005-02-03
CN1245322C (en) 2006-03-15
RU2267455C2 (en) 2006-01-10
WO2002070384A1 (en) 2002-09-12

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