EP2517995B1 - Folding machine with transport device - Google Patents

Folding machine with transport device Download PDF

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Publication number
EP2517995B1
EP2517995B1 EP12163667.4A EP12163667A EP2517995B1 EP 2517995 B1 EP2517995 B1 EP 2517995B1 EP 12163667 A EP12163667 A EP 12163667A EP 2517995 B1 EP2517995 B1 EP 2517995B1
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EP
European Patent Office
Prior art keywords
transport
transport device
signatures
folding
folder according
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EP12163667.4A
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German (de)
French (fr)
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EP2517995A1 (en
Inventor
Markus Belmann
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Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • 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
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • B65H45/144—Pockets or stops therefor
    • 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
    • B65H45/18—Oscillating or reciprocating blade folders

Definitions

  • the invention provides a folding machine according to claim 1.
  • Pocket folding machines and Schwertfalzmaschinen are known from the prior art.
  • the combination of pocket folding machines with Schwertfalzmaschinen is common as Kombifalzmaschine.
  • parallel folds are folded in pocket folders and cross breaks in the subsequent knife folders.
  • the sheet passes through at least the following stations in the feed-through direction of the combination folding machine: feeder, transfer table, pocket folder, knife folder, delivery arm.
  • a respective pocket folder consists of a folding pocket and three folding rollers, which are arranged in two pairs of folding rollers.
  • From the DE 29 40 360 A1 is a single sword folding machine for folding of printed and pre-folded sheet known.
  • Combination folding machines combine pocket folders and knife folders. Here are folded in a first folding station in Taschenfalztechniken parallel breaks and in a subsequent folding station in Schwertfalztechniken cross breaks.
  • the DE 31 47 064 A1 and the DE 10 2006 055 301 A1 show Kombifalzmaschinen with a plurality of Taschenfalzwerken and nachranging arranged Schwertfalzwerken.
  • a disadvantage of such Schwertfalzmaschinen is that even if only one Schwertfalzstation is used, the subsequent Schwertfalzstation must be traversed without performing any processing before the generated signatures designed or downstream processing units (such as thread sealing machine) can be supplied.
  • Another disadvantage is that the direction in which the signatures are designed or passed on is determined by the machine configuration.
  • signatures which have only undergone a cross-rupture by passing unprocessed under the second fold-blade can only be designed to the left. This can lead to problems if, due to restrictions on the available space in a bookbindery, no display or finishing unit can be positioned at this location.
  • the object of the invention is therefore to provide a folding machine, which at least overcomes the disadvantages of the prior art, and allows improved delivery and improved onward transport.
  • the folding machine is used to generate signatures by folding from sheet-like elements made of paper, cardboard or the like with at least two Schwertfalzstationen and at least one receiving device for a folding pocket.
  • the receiving device for a folding pocket can also be referred to as Falztaschenfact.
  • a respective folding pocket can be inserted in a respective receiving device in a receiving plane and simply pulled out of it.
  • the folding machine has a transport device for laying out signatures, wherein the transport device is held by the receiving device.
  • the transport device is held by the at least one receiving device, that the transport direction of the signatures to be interpreted in the transport device is substantially parallel to the receiving plane of the receiving device.
  • the transport device can be easily inserted into the Falztaschentreatment and pulled back out of it, so as to allow easy exchange between folding pocket and transport device. Due to the arrangement of the transport device instead of the folding pocket, it is advantageously possible to lay out the signatures or pass on the signatures at the position of the folding pocket receptacle. This ensures that Stereostegende signatures need not be transported by subsequent Schwertfalzwerke. The interpretation or sharing of the signatures can be significantly improved.
  • the receiving device for holding the transport device between two Schwertfalzstationen is arranged. This makes it possible either to use a conventional folding pocket at the position in order to be able to make a fold, or to insert the transport device in order to enable signatures to be displayed.
  • the transport device has in its inlet region a - in particular switchable - curved switch to determine whether the interpretations to be interpreted should pass through the transport device or not.
  • arc switches are known in the art.
  • the transport device has an upper and a lower guide surface for guiding the signatures to be interpreted between the guide surfaces, wherein the guide surfaces extend in particular substantially parallel to the receiving plane of the receiving device.
  • the signatures transported by the transport device are thus given a defined transport path.
  • the transport device of the folding machine according to the invention has at least one transport element for transporting the signatures to be interpreted, wherein the signatures to be interpreted by the transport element experience a force in the transport direction.
  • the at least one transport element causes the signatures to be driven through the transport device.
  • the speed in the transport direction can correspond at least to the transport speed in the upstream stations of the folding machine.
  • the transport element can be designed either as a driven conveyor belt, as a driven transport roller or as a blown air element.
  • the blast air element may have a nozzle bar with a plurality of Blas Kunststoffdüsen, wherein an air flow is generated, which is aligned substantially parallel to the guide surfaces.
  • a nozzle bar with a plurality of Blas Kunststoffdüsen, wherein an air flow is generated, which is aligned substantially parallel to the guide surfaces.
  • blowing air nozzles can also be designed as Venturi nozzles, which allows a particularly secure transport of the signatures.
  • another folding station is arranged upstream or downstream of the folding stations described above. This can have pocket folders or Schwertfalzwerke.
  • the folding pocket 3 By the folding pocket 3 is pulled out of the receiving device 6, the folding pocket 3 can be easily removed. In its place, then, as in the FIGS. 3a and 3b shown, instead a transport device 5 are inserted.
  • Fig. 3a shows that already on the basis of FIG. 2 described section of a folding machine 10, namely a first Schwertfalzstation (1st Crossbreak 1) and a second Schwertfalzstation (2nd Crossbreak 4).
  • a receiving device 6 Between the Schwertfalzstationen 1, 4 is a receiving device 6, in which a transport device 5 has been inserted.
  • the transport device 5 has an upper frame 5.1 and a lower frame 5.2. These are substantially parallel to the receiving plane, which is formed by the receiving device 6.
  • transport device 5 has a nozzle bar 5.4 with nozzle chamber, which provides an air flow 5.5 via its Blas Kunststoffdüsen.
  • a located in position 5.3 sheet diverter is switched so that the folded sheet B1 run into the transport device 5.
  • Its transport direction T is predetermined by the upper frame and the lower frame 5.1, 5.2, which act as guide surfaces.
  • the transport of the bows is supported by the blast air 5.5, which is provided by the nozzle bar 5.4.
  • the sheets Br can be designed as shown to the right or transported on.
  • FIG. 3b An alternative embodiment of the transport device 5 is based on the FIG. 3b described.
  • the transport device 5 shown here has no nozzle bar 5.4, but instead a transport unit 5.6 with conveyor belt and friction drive.
  • the friction wheel drive causes the conveyor belt of the transport unit 5.6 is driven by the conveyor belt 4.3 of the second cross-rupture 4.
  • the friction wheel is pressed by a spring force to the conveyor belt 4.3.
  • the conveyor belt of the transport unit 5.6 and the conveyor belt 4.3 of the second cross-break 4 thus move at approximately the same speed. This ensures that the sheets Br are safely transported further by the transport device 5 and a material jam can be avoided.
  • pinch rollers 5.7 may be provided which press the sheet Br on the conveyor belt.
  • the transport device 5 has driven transport rollers.
  • the in FIG. 3b illustrated pinch rollers act to 5.7 driven transport rollers, which propel the sheet Br.
  • blown air nozzle - as at hand of Fig. 3a described - are advantageously arranged a plurality of Venturi nozzles along the leading edge of the transport device 5, so that the air cushion acts uniformly over the sheet width.
  • FIG. 4 shown by way of example.
  • the nozzle bar 5.4 consists of a plurality of nozzle bodies 5.9, which are structurally arranged side by side and have a common Blas Kunststoffzu für 5.13, is blown through the air.
  • a semi-circular nozzle chamber 5.10 is arranged in the nozzle body 5.9 arranged.
  • the semicircular nozzle chamber 5.10 tapers in its height towards the outlet opening 5.11.
  • a connection with the Blas Kunststoffzu für 5.13 is provided in the bottom of the nozzle chamber 5.10 .
  • the cover of the nozzle chamber 5.10 forms a separate plate 5.12, with suitable fasteners, eg. As adhesive, is attached to the nozzle body 5.9.
  • the separate plate 5.12 also forms part of the outlet opening 5.11, through which an airflow 5. 5 exits.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Description

Die Erfindung bettrift eine Falzmaschine gemäß Anspruch 1.The invention provides a folding machine according to claim 1.

Stand der TechnikState of the art

Aus dem Stand der Technik sind Taschenfalzmaschinen und Schwertfalzmaschinen bekannt. Die Kombination von Taschenfalzmaschinen mit Schwertfalzmaschinen ist als Kombifalzmaschine geläufig. Dabei werden in Taschenfalzwerken Parallelbrüche und in den nachfolgenden Schwertfalzwerken Kreuzbrüche gefalzt. Der Bogen durchläuft dabei in Durchlaufrichtung der Kombifalzmaschine mindestens folgende Stationen: Anleger, Übergabetisch, Taschenfalzwerk, Schwertfalzwerk, Ausleger.Pocket folding machines and Schwertfalzmaschinen are known from the prior art. The combination of pocket folding machines with Schwertfalzmaschinen is common as Kombifalzmaschine. In this process, parallel folds are folded in pocket folders and cross breaks in the subsequent knife folders. The sheet passes through at least the following stations in the feed-through direction of the combination folding machine: feeder, transfer table, pocket folder, knife folder, delivery arm.

Der Aufbau einer Taschenfalzmaschine mit einer Vielzahl von Taschenfalzwerken geht aus der DE 10 2004 041 471 A1 hervor. Ein jeweiliges Taschenfalzwerk besteht dabei aus einer Falztasche und drei Falzwalzen, welche in zwei Falzwalzenpaaren angeordnet sind. Aus der DE 29 40 360 A1 ist ein Einzelschwertfalzwerk zum Falzen von bedruckten und vorgefalzten Bogen bekannt. In Kombifalzmaschinen werden Taschenfalzwerke und Schwertfalzwerke kombiniert. Dabei werden in einer ersten Falzstation in Taschenfalzwerken Parallelbrüche und in einer nachfolgenden Falzstation in Schwertfalzwerken Kreuzbrüche gefalzt. Die DE 31 47 064 A1 und die DE 10 2006 055 301 A1 zeigen Kombifalzmaschinen mit einer Mehrzahl von Taschenfalzwerken und nachranging angeordneten Schwertfalzwerken.The construction of a Taschenfalzmaschine with a variety of Taschenfalzwerken goes out of the DE 10 2004 041 471 A1 out. A respective pocket folder consists of a folding pocket and three folding rollers, which are arranged in two pairs of folding rollers. From the DE 29 40 360 A1 is a single sword folding machine for folding of printed and pre-folded sheet known. Combination folding machines combine pocket folders and knife folders. Here are folded in a first folding station in Taschenfalzwerken parallel breaks and in a subsequent folding station in Schwertfalzwerken cross breaks. The DE 31 47 064 A1 and the DE 10 2006 055 301 A1 show Kombifalzmaschinen with a plurality of Taschenfalzwerken and nachranging arranged Schwertfalzwerken.

Aus der DE 10 2006 055 301 A1 ist eine Schwertfalzmaschine bekannt, welche zwischen erstem und zweitem Schwertfalzwerk eine Aufnahmeeinrichtung für eine Falztasche aufweist. Solche Schwertfalzmaschinen werden als KTL-Maschinen bezeichnet. So ist es möglich, an dieser Stelle zusätzlich einen Taschenfalz zu erzeugen. Alternativ kann in die Taschenaufnahme eine Wendetasche eingeschoben werden, welche keine zusätzliche Falzung, sondern ein Wenden eines zugeführten Bogens bewirkt.From the DE 10 2006 055 301 A1 is a Schwertfalzmaschine known, which has a receiving device for a folding pocket between the first and second Schwertfalzwerk. Such Schwertfalzmaschinen are referred to as KTL machines. It is thus possible to additionally produce a pocket fold at this point. Alternatively, a turning pocket can be inserted into the pocket holder, which causes no additional folding, but turning a supplied sheet.

Nachteilig an derartigen Schwertfalzmaschinen ist, dass selbst wenn nur eine Schwertfalzstation genutzt wird, die nachfolgende Schwertfalzstation ohne Durchführung einer Bearbeitung durchfahren werden muss, bevor die erzeugten Signaturen ausgelegt oder nachgeordneten Weiterverarbeitungseinheiten (z.B. Fadensiegelmaschine) zugeführt werden können.A disadvantage of such Schwertfalzmaschinen is that even if only one Schwertfalzstation is used, the subsequent Schwertfalzstation must be traversed without performing any processing before the generated signatures designed or downstream processing units (such as thread sealing machine) can be supplied.

Weiter nachteilig ist, dass die Richtung, in welche die Signaturen ausgelegt bzw. weitergegeben werden, durch die Maschinenkonfiguration festgelegt ist. So können beispielsweise bei einer KL-Maschine Signaturen, welche nur einen Kreuzbruch erfahren haben, indem sie unter dem zweiten Falzschwert unbearbeitet passieren, nur nach links ausgelegt werden. Dies kann zu Problemen führen, wenn auf Grund von Beschränkungen der zur Verfügung stehenden Fläche in einer Buchbinderei an dieser Stelle keine Auslage oder Weiterverarbeitungseinheit positioniert werden kann. Auch ist es nachteilig, die Auslage oder Weiterverarbeitungseinheit in Abhängigkeit von dem Falzmuster und damit dem Ort der Auslage der Signaturen durch die Falzmaschine umstellen zu müssen.Another disadvantage is that the direction in which the signatures are designed or passed on is determined by the machine configuration. Thus, for example, in a KL machine, signatures which have only undergone a cross-rupture by passing unprocessed under the second fold-blade can only be designed to the left. This can lead to problems if, due to restrictions on the available space in a bookbindery, no display or finishing unit can be positioned at this location. It is also disadvantageous to have to change the display or further processing unit depending on the folding pattern and thus the location of the display of the signatures by the folding machine.

Aufgabenstellungtask

Aufgabe der Erfindung ist es daher, eine Falzmaschine zu schaffen, welche die Nachteile des Standes der Technik zumindest behebt, und eine verbesserte Auslage bzw. einen verbesserten Weitertransport ermöglicht.The object of the invention is therefore to provide a folding machine, which at least overcomes the disadvantages of the prior art, and allows improved delivery and improved onward transport.

Gelöst wird diese Aufgabe durch eine Falzmaschine mit den Merkmalen von Anspruch 1. Die Falzmaschine dient dem Erzeugen von Signaturen durch Falzen aus bogenförmigen Elementen aus Papier, Pappe oder ähnlichem mit mindestens zwei Schwertfalzstationen und mindestens einer Aufnahmeeinrichtung für eine Falztasche. Die Aufnahmeeinrichtung für eine Falztasche kann auch als Falztaschenaufnahme bezeichnet werden. Eine jeweilige Falztasche ist in einer jeweiligen Aufnahmeeinrichtung in einer Aufnahmeebene einschiebbar und einfach wieder daraus herausziehbar. Erfindungsgemäß besitzt die Falzmaschine eine Transportvorrichtung zum Auslegen von Signaturen, wobei die Transportvorrichtung von der Aufnahmeeinrichtung gehalten wird. In einer besonders vorteilhaften und daher bevorzugten Ausführungsform wird die Transportvorrichtung derart von der mindestens einen Aufnahmeeinrichtung gehalten wird, dass die Transportrichtung der auszulegenden Signaturen in der Transportvorrichtung im Wesentlichen parallel zur Aufnahmeebene der Aufnahmeeinrichtung ist. In anderen Worten: die Transportvorrichtung kann einfach in die Falztaschenaufnahme eingeschoben und wieder daraus herausgezogen werden, um so einen einfachen Austausch zwischen Falztasche und Transportvorrichtung zu ermöglichen. Durch die Anordnung der Transportvorrichtung anstelle der Falztasche wird in vorteilhafter Weise ein Auslegen der Signaturen bzw. Weitergeben der Signaturen an der Position der Falztaschenaufnahme ermöglicht. Damit wird erreicht, dass auszulegende Signaturen nicht weiter durch nachfolgende Schwertfalzwerke transportiert werden müssen. Das Auslegen bzw. Weitergeben der Signaturen kann dadurch wesentlich verbessert werden.This object is achieved by a folding machine with the features of claim 1. The folding machine is used to generate signatures by folding from sheet-like elements made of paper, cardboard or the like with at least two Schwertfalzstationen and at least one receiving device for a folding pocket. The receiving device for a folding pocket can also be referred to as Falztaschenaufnahme. A respective folding pocket can be inserted in a respective receiving device in a receiving plane and simply pulled out of it. According to the invention, the folding machine has a transport device for laying out signatures, wherein the transport device is held by the receiving device. In a particularly advantageous and therefore preferred embodiment, the transport device is held by the at least one receiving device, that the transport direction of the signatures to be interpreted in the transport device is substantially parallel to the receiving plane of the receiving device. In other words, the transport device can be easily inserted into the Falztaschenaufnahme and pulled back out of it, so as to allow easy exchange between folding pocket and transport device. Due to the arrangement of the transport device instead of the folding pocket, it is advantageously possible to lay out the signatures or pass on the signatures at the position of the folding pocket receptacle. This ensures that auszustegende signatures need not be transported by subsequent Schwertfalzwerke. The interpretation or sharing of the signatures can be significantly improved.

In einer vorteilhaften Weiterbildung der erfindungsgemäßen Falzmaschine ist die Aufnahmeeinrichtung zum Halten der Transportvorrichtung zwischen zwei Schwertfalzstationen angeordnet. Dies ermöglicht es, an der Position entweder eine übliche Falztasche zu verwenden, um einen Falz ausführen zu können, oder die Transportvorrichtung einzuschieben, um ein Auslegen bzw. Weitergeben von Signaturen zu ermöglichen.In an advantageous embodiment of the folding machine according to the invention, the receiving device for holding the transport device between two Schwertfalzstationen is arranged. This makes it possible either to use a conventional folding pocket at the position in order to be able to make a fold, or to insert the transport device in order to enable signatures to be displayed.

Vorteilhafterweise besitzt die Transportvorrichtung in ihrem Einlaufbereich eine - insbesondere schaltbare - Bogenweiche, um festzulegen, ob die auszulegenden Signaturen die Transportvorrichtung durchlaufen sollen oder nicht. Derartige Bogenweichen sind dem Fachmann bekannt.Advantageously, the transport device has in its inlet region a - in particular switchable - curved switch to determine whether the interpretations to be interpreted should pass through the transport device or not. Such arc switches are known in the art.

In einer vorteilhaften Weiterbildung der erfindungsgemäßen Falzmaschine weist die Transportvorrichtung eine obere und eine untere Leitfläche auf zum Leiten der auszulegenden Signaturen zwischen den Leitflächen, wobei sich die Leitflächen insbesondere im Wesentlichen parallel zur Aufnahmeebene der Aufnahmeeinrichtung erstrecken. Den durch die Transportvorrichtung transportierten Signaturen wird somit ein definierter Transportweg vorgegeben.In an advantageous development of the folding machine according to the invention, the transport device has an upper and a lower guide surface for guiding the signatures to be interpreted between the guide surfaces, wherein the guide surfaces extend in particular substantially parallel to the receiving plane of the receiving device. The signatures transported by the transport device are thus given a defined transport path.

In einer vorteilhaften und daher besonders bevorzugten Ausführungsform weist die Transportvorrichtung der erfindungsgemäßen Falzmaschine mindestens ein Transportelement auf zum Transportieren der auszulegenden Signaturen, wobei die auszulegenden Signaturen durch das Transportelement eine Kraft in Transportrichtung erfahren. In anderen Worten: Das mindestens eine Transportelement bewirkt, dass die Signaturen durch die Transportvorrichtung hindurch getrieben werden. Um einen Materialstau an Signaturen in der Transportvorrichtung zu vermeiden, kann die Geschwindigkeit in der Transportrichtung mindestens der Transportgeschwindigkeit in den vorgelagerten Stationen der Falzmaschine entsprechen.In an advantageous and therefore particularly preferred embodiment, the transport device of the folding machine according to the invention has at least one transport element for transporting the signatures to be interpreted, wherein the signatures to be interpreted by the transport element experience a force in the transport direction. In other words, the at least one transport element causes the signatures to be driven through the transport device. In order to avoid accumulation of material on signatures in the transport device, the speed in the transport direction can correspond at least to the transport speed in the upstream stations of the folding machine.

Für das Transportelement sind verschiedene Ausführungsvarianten denkbar: das Transportelement kann entweder als angetriebenes Transportband, als angetriebene Transportrolle oder als Blasluftelement ausgeführt sein. Auch der Einsatz einer Mehrzahl an Transportelementen, welche auch verschiedenartig ausgeführt sein können, kann vorteilhaft sein.For the transport element various embodiments are conceivable: the transport element can be designed either as a driven conveyor belt, as a driven transport roller or as a blown air element. The use of a plurality of transport elements, which can also be designed differently, may be advantageous.

Aufgrund seiner einfachen Ausführungsform und einer leichten Handhabbarkeit wird die Ausführungsvariante des Blasluftelements bevorzugt. Das Blasluftelement kann dabei einen Düsenbalken mit einer Mehrzahl von Blasluftdüsen besitzen, wobei ein Luftstrom erzeugt wird, der im Wesentlichen parallel zu den Leitflächen ausgerichtet ist. Für die weitere Ausgestaltung dieses Blasluftelements wird hiermit voll inhaltlich Bezug genommen auf die in der EP 1 577 244 B1 in den Absätzen [0024 bis 0031] beschriebene Blasvorrichtung.Due to its simple embodiment and easy handling, the embodiment of the blown air element is preferred. The blast air element may have a nozzle bar with a plurality of Blasluftdüsen, wherein an air flow is generated, which is aligned substantially parallel to the guide surfaces. For the further embodiment of this blown air element, full content is hereby incorporated by reference in the EP 1 577 244 B1 blowing device described in paragraphs [0024 to 0031].

In vorteilhafter Weiterbildung können die Blasluftdüsen auch als Venturi-Düsen ausgeführt sein, was einen besonders sicheren Transport der Signaturen ermöglicht.In an advantageous embodiment, the blowing air nozzles can also be designed as Venturi nozzles, which allows a particularly secure transport of the signatures.

In einer vorteilhaften Weiterbildung der erfindungsgemäßen Falzmaschine ist den oben beschriebenen Falzstationen eine weitere Falzstation vor- oder nachgeordnet. Diese kann Taschenfalzwerke oder Schwertfalzwerke aufweisen.In an advantageous development of the folding machine according to the invention, another folding station is arranged upstream or downstream of the folding stations described above. This can have pocket folders or Schwertfalzwerke.

Die beschriebene Erfindung und die beschriebenen vorteilhaften Weiterbildungen der Erfindung stellen auch in beliebiger Kombination miteinander vorteilhafte Weiterbildungen der Erfindung dar.The described invention and the described advantageous developments of the invention are also in any combination with each other advantageous developments of the invention.

Hinsichtlich weiterer Vorteile und vorteilhafter Ausgestaltungen der Erfindung wird auf die Unteransprüche sowie die Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beiliegenden Zeichnungen verwiesen.With regard to further advantages and advantageous embodiments of the invention, reference is made to the dependent claims and the description of an embodiment with reference to the accompanying drawings.

Ausführungsbeispiel:Embodiment:

Die Erfindung soll anhand eines Ausführungsbeispiels noch näher erläutert werden. Es zeigen in schematischer Darstellung:

Fig. 1
eine Übersichtsdarstellung einer Falzmaschine
Fig. 2
die Schwertfalzstationen einer Falzmaschine nach dem Stand der Technik
Fig. 3a
eine erste Ausführungsvariante einer Transportvorrichtung
Fig. 3b
eine zweite Ausführungsvariante einer Transportvorrichtung
Fig. 4
die Ausführung eines Düsenbalkens in einer Detaildarstellung
  • Fig. 1 zeigt eine Konfiguration einer Kombifalzmaschine 10, welche als Ausgangspunkt für die vorliegende Erfindung dient. Die Kombifalzmaschine ist mit mehreren Taschenfalzwerken und drei Schwertfalzwerken ausgestattet, wobei zwischen dem ersten Schwertfalzwerk und dem zweiten Schwertfalzwerk eine Falztasche oder alternativ eine Transportvorrichtung angebracht sein kann. Ein zweites und drittes Schwertfalzwerk befinden sich in Bogendurchlaufrichtung links.
  • Fig. 2 zeigt einen Ausschnitt aus einer Falzmaschine 10 nach dem Stand der Technik. Die dargestellte Falzmaschine 10 besitzt einen ersten Kreuzbruch 1 (auch als erstes Schwertfalzwerk bezeichnet) sowie einen zweiten Kreuzbruch 4 (auch als zweites Schwertfalzwerk bezeichnet). In Transportrichtung gesehen dazwischen angeordnet ist eine Falztasche 3. Ein Bogen B1 wird im ersten Kreuzbruch 1 vom Schwert des ersten Kreuzbruchs 1.1 gefalzt, indem der Bogen B1 zwischen zwei Falzwalzen 1.4 gepresst wird und dort einen Falzbruch erfährt. Von einer Transportwalze 2.1 und einem Umlenkblech 2.2 wird der Bogen weiter in eine Falztasche 3 transportiert. Die Falztasche 3 befindet sich in einem Falztascheneinschub 6 und besitzt einen oberen Rahmen 3.1 und einen unteren Rahmen 3.2, zwischen welchen der Bogen B3 geführt wird. Zum Einstellen der Falzlänge besitzt die Falztasche 3 einen verstellbaren Anschlag 3.3. Durch die Falzwalzen 3.4 wird im Bogen B3 ein Falzbruch erzeugt und die Signatur über ein Umlenkblech 2.2 und das Transportband 4.3 des zweiten Kreuzbruchs 4 weiter transportiert. Soll die Signatur keinen weiteren Falzbruch erfahren, so wird das Schwert des zweiten Kreuzbruchs 4.1 stillgesetzt und der Bogen BL nach links ausgeleitet. Soll die Signatur durch das Schwert des zweiten Kreuzbruchs 4.1 eine weitere Falzung erfahren, so wird das Schwert 4.1 betätigt und der Bogen B4 zwischen den Falzwalzen 4.4 hindurch weiter transportiert und beispielsweise einem Ausleger oder einer nachfolgenden dritten Kreuzbruchstation zugeführt.
The invention will be explained in more detail with reference to an embodiment. In a schematic representation:
Fig. 1
an overview of a folding machine
Fig. 2
the Schwertfalzstationen a folding machine according to the prior art
Fig. 3a
a first embodiment of a transport device
Fig. 3b
a second embodiment of a transport device
Fig. 4
the execution of a nozzle bar in a detailed view
  • Fig. 1 shows a configuration of a Kombifalzmaschine 10, which serves as a starting point for the present invention. The Kombifalzmaschine is equipped with several Taschenfalzwerken and three Schwertfalzwerken, with a folding pocket or alternatively a transport device may be mounted between the first blade folder and the second blade folder. A second and third sword folder are located in the sheet passing direction on the left.
  • Fig. 2 shows a section of a folding machine 10 according to the prior art. The folding machine 10 shown has a first cross-fold 1 (also referred to as the first sword folder) and a second cross-break 4 (also referred to as the second sword folder). A fold pocket 3 is arranged in between as seen in the transport direction. A fold B1 is folded in the first cross-fold 1 by the sword of the first cross-fold 1.1 by pressing the sheet B1 between two fold rolls 1.4 and there learns a fold break. From a transport roller 2.1 and a baffle 2.2, the sheet is transported further into a folding pocket 3. The folding pocket 3 is located in a Falztascheneinschub 6 and has an upper frame 3.1 and a lower frame 3.2, between which the sheet B3 is guided. To set the folding length, the folding pocket 3 has an adjustable stop 3.3. By folding rollers 3.4 a fold break is generated in sheet B3 and the signature on a baffle 2.2 and the conveyor belt 4.3 of the second cross-break 4 transported on. If the signature does not experience any further fold break, the sword of the second cross-fracture 4.1 is stopped and the sheet BL is discharged to the left. If the signature is to be further folded by the sword of the second cross-rupture 4.1, then the sword 4.1 is actuated and the sheet B4 is transported further between the folding rollers 4.4 and, for example, fed to a boom or to a subsequent third cross-rupture station.

Indem die Falztasche 3 aus der Aufnahmeeinrichtung 6 herausgezogen wird, kann die Falztasche 3 einfach entfernt werden. An ihrer Stelle kann dann, wie in den Figuren 3a und 3b gezeigt, stattdessen eine Transportvorrichtung 5 eingeschoben werden.By the folding pocket 3 is pulled out of the receiving device 6, the folding pocket 3 can be easily removed. In its place, then, as in the FIGS. 3a and 3b shown, instead a transport device 5 are inserted.

Fig. 3a zeigt den bereits anhand der Figur 2 beschriebenen Ausschnitt aus einer Falzmaschine 10, nämlich eine erste Schwertfalzstation (1. Kreuzbruch 1) und eine zweite Schwertfalzstation (2. Kreuzbruch 4). Zwischen den Schwertfalzstationen 1, 4 befindet sich eine Aufnahmeeinrichtung 6, in welche eine Transportvorrichtung 5 eingeschoben wurde. Die Transportvorrichtung 5 weist einen oberen Rahmen 5.1 und einen unteren Rahmen 5.2 auf. Diese sind im Wesentlichen parallel zur Aufnahmeebene, welche von der Aufnahmeeinrichtung 6 gebildet wird. Die in Fig. 3a dargestellte Transportvorrichtung 5 besitzt einen Düsenbalken 5.4 mit Düsenkammer, welcher über seine Blasluftdüsen einen Luftstrom 5.5 bereitstellt. Sollen nun im ersten Kreuzbruch 1 gefalzte Bogen B 1 nachfolgend direkt ausgelegt oder weiter transportiert werden, und nicht den zweiten Kreuzbruch 4 durchlaufen, so wird eine sich in Position 5.3 befindliche Bogenweiche so geschaltet, dass die gefalzten Bogen B1 in die Transportvorrichtung 5 einlaufen. Ihre Transportrichtung T ist dabei durch den oberen Rahmen und den unteren Rahmen 5.1, 5.2 vorgegeben, welche als Leitflächen fungieren. Unterstützt wird der Transport der Bogen durch die Blasluft 5.5, welche durch den Düsenbalken 5.4 bereitgestellt wird. Die Bogen Br können so wie dargestellt nach rechts ausgelegt oder weiter transportiert werden. Fig. 3a shows that already on the basis of FIG. 2 described section of a folding machine 10, namely a first Schwertfalzstation (1st Crossbreak 1) and a second Schwertfalzstation (2nd Crossbreak 4). Between the Schwertfalzstationen 1, 4 is a receiving device 6, in which a transport device 5 has been inserted. The transport device 5 has an upper frame 5.1 and a lower frame 5.2. These are substantially parallel to the receiving plane, which is formed by the receiving device 6. In the Fig. 3a shown transport device 5 has a nozzle bar 5.4 with nozzle chamber, which provides an air flow 5.5 via its Blasluftdüsen. If now in the first cross-fold 1 folded sheet B 1 below interpreted directly or transported, and not the second cross-break 4 go through, then a located in position 5.3 sheet diverter is switched so that the folded sheet B1 run into the transport device 5. Its transport direction T is predetermined by the upper frame and the lower frame 5.1, 5.2, which act as guide surfaces. The transport of the bows is supported by the blast air 5.5, which is provided by the nozzle bar 5.4. The sheets Br can be designed as shown to the right or transported on.

Durch den Luftstrom 5.5 aus den Blasluftdüsen des Düsenbalkens 5.4, der parallel zum Bogen Br und parallel zu den Leitflächen 5.1 und 5.2 geleitet wird, entsteht ein Unterdruck, der den Bogen Br in Richtung der Blasvorrichtung 5.4 ansaugt, sodass der Bogen Br entlang des Luftstroms auf einem Luftpolster gehalten wird. Gleichzeitig bewirkt dieser Luftstrom 5.5 eine zusätzliche Kraft, die den Bogen Br nach rechts in Richtung der Bogenauslage oder einer nachfolgenden Weiterverarbeitungseinheit treibt.By the air flow 5.5 from the Blasluftdüsen the nozzle beam 5.4, which is parallel to the arc Br and parallel to the baffles 5.1 and 5.2, creates a negative pressure that sucks the arc Br in the direction of the blowing device 5.4, so that the arc Br along the air flow an air cushion is held. At the same time this air flow 5.5 causes an additional force, which drives the sheet Br to the right in the direction of the sheet delivery or a subsequent further processing unit.

Eine alternative Ausführungsvariante der Transportvorrichtung 5 wird anhand der Figur 3b beschrieben. Als Transportelement, welches die Bogen Br vorantreibt, besitzt die hier dargestellte Transportvorrichtung 5 keinen Düsenbalken 5.4, sondern stattdessen eine Transporteinheit 5.6 mit Transportband und Reibradantrieb. Der Reibradantrieb bewirkt, dass das Transportband der Transporteinheit 5.6 von dem Transportband 4.3 des zweiten Kreuzbruchs 4 angetrieben wird. Dazu wird das Reibrad durch eine Federkraft an das Transportband 4.3 angepresst. Das Transportband der Transporteinheit 5.6 und das Transportband 4.3 des zweiten Kreuzbruchs 4 bewegen sich somit in etwa mit gleicher Geschwindigkeit. Dadurch ist sichergestellt, dass die Bogen Br durch die Transportvorrichtung 5 sicher weiter transportiert werden und ein Materialstau vermieden werden kann. Um sicher zu stellen, dass die Bogen Br von dem Transportband der Transporteinheit 5.6 mit genommen und nach rechts weiter transportiert werden, können Andruckrollen 5.7 vorgesehen sein, welche die Bogen Br auf das Förderband pressen.An alternative embodiment of the transport device 5 is based on the FIG. 3b described. As a transport element, which advances the sheet Br, the transport device 5 shown here has no nozzle bar 5.4, but instead a transport unit 5.6 with conveyor belt and friction drive. The friction wheel drive causes the conveyor belt of the transport unit 5.6 is driven by the conveyor belt 4.3 of the second cross-rupture 4. For this purpose, the friction wheel is pressed by a spring force to the conveyor belt 4.3. The conveyor belt of the transport unit 5.6 and the conveyor belt 4.3 of the second cross-break 4 thus move at approximately the same speed. This ensures that the sheets Br are safely transported further by the transport device 5 and a material jam can be avoided. To ensure that the sheets are Br taken from the conveyor belt of the transport unit 5.6 and transported to the right, pinch rollers 5.7 may be provided which press the sheet Br on the conveyor belt.

In einer alternativen, nicht dargestellten Ausführungsvariante besitzt die Transportvorrichtung 5 angetriebene Transportrollen. Beispielsweise könnte es sich bei den in Figur 3b dargestellten Andruckrollen 5.7 um angetriebene Transportrollen handeln, welche die Bogen Br vorantreiben.In an alternative embodiment, not shown, the transport device 5 has driven transport rollers. For example, the in FIG. 3b illustrated pinch rollers act to 5.7 driven transport rollers, which propel the sheet Br.

Sollte nach einem Auftragswechsel keine Ausleitung der Bogen Br nach dem ersten Kreuzbruch 1 nach rechts mehr gewünscht werden, so kann die Transportvorrichtung 5 wieder einfach entfernt und durch die in der Figur 2 dargestellte Falztasche 3 ersetzt werden.If after a change of order no discharge of the sheet Br after the first cross-break 1 to the right more desired, so the transport device 5 can be easily removed again and by the in the FIG. 2 illustrated folding pocket 3 replaced become.

In der Ausführungsvariante Blasluftdüse - wie an Hand von Fig. 3a beschrieben - sind vorteilhafterweise eine Mehrzahl an Venturidüsen entlang der Einlaufkante der Transportvorrichtung 5 angeordnet, so dass das Luftpolster gleichmäßig über die Bogenbreite wirkt. Eine solche Anordnung von mehreren Blasluftdüsen ist in Figur 4 beispielhaft gezeigt. Dort ist ein Düsenbalken 5.4, der beispielsweise einstückig abgeformt werden kann, gezeigt. Der Düsenbalken 5.4 besteht aus einer Mehrzahl an Düsenkörpern 5.9, die baugleich nebeneinander angeordnet sind und eine gemeinsame Blasluftzuleitung 5.13 aufweisen, durch die Luft eingeblasen wird. In dem Düsenkörper 5.9 ist eine halbkreisförmige Düsenkammer 5.10 angeordnet. Die halbkreisförmige Düsenkammer 5.10 verjüngt sich in ihrer Höhe zur Austrittsöffnung 5.11 hin. Im Boden der Düsenkammer 5.10 ist eine Verbindung mit der Blasluftzuleitung 5.13 vorgesehen. Den Deckel der Düsenkammer 5.10 bildet eine separate Platte 5.12, die mit geeigneten Befestigungsmitteln, z. B. Klebstoff, auf dem Düsenkörper 5.9 befestigt ist. Die separate Platte 5.12 bildet dabei gleichzeitig auch einen Teil der Austrittsöffnung 5.11, durch die ein Luftstrom 5.5 austritt.In the embodiment variant blown air nozzle - as at hand of Fig. 3a described - are advantageously arranged a plurality of Venturi nozzles along the leading edge of the transport device 5, so that the air cushion acts uniformly over the sheet width. Such an arrangement of several blowing air nozzles is in FIG. 4 shown by way of example. There is a nozzle bar 5.4, which can for example be molded in one piece shown. The nozzle bar 5.4 consists of a plurality of nozzle bodies 5.9, which are structurally arranged side by side and have a common Blasluftzuleitung 5.13, is blown through the air. In the nozzle body 5.9 a semi-circular nozzle chamber 5.10 is arranged. The semicircular nozzle chamber 5.10 tapers in its height towards the outlet opening 5.11. In the bottom of the nozzle chamber 5.10 a connection with the Blasluftzuleitung 5.13 is provided. The cover of the nozzle chamber 5.10 forms a separate plate 5.12, with suitable fasteners, eg. As adhesive, is attached to the nozzle body 5.9. At the same time, the separate plate 5.12 also forms part of the outlet opening 5.11, through which an airflow 5. 5 exits.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Erster Kreuzbruch (1. KB)First Crossbreak (1 KB)
1.11.1
Schwert 1. KBSword 1. KB
1.21.2
Einlaufblech 1. KBInlet sheet 1. KB
1.31.3
Transportband mit Antrieb 1. KBConveyor belt with drive 1. KB
1.41.4
Falzwalzenpaar 1. KBFolding roller pair 1. KB
2.12.1
Transportwalzetransport roller
2.22.2
Umlenkblechebaffles
33
Falztaschefolding pocket
3.13.1
Rahmen obenFrame above
3.23.2
Rahmen untenFrame below
3.33.3
Anschlag verstellbarAdjustable stop
3.43.4
Falzwalzenfolding rollers
44
Zweiter Kreuzbruch (2. KB)Second Crossbreak (2nd KB)
4.14.1
Schwert 2. KBSword 2. KB
4.24.2
Einlaufblech 2. KBInlet sheet 2. KB
4.34.3
Transportband mit Antrieb 2. KBConveyor belt with drive 2. KB
4.44.4
Falzwalzenpaar 2. KBFolding roller pair 2. KB
55
Transportvorrichtungtransport device
5.15.1
Rahmen obenFrame above
5.25.2
Rahmen untenFrame below
5.35.3
Position BogenweichePosition curved switch
5.45.4
Düsenbalken mit DüsenkammerNozzle bar with nozzle chamber
5.55.5
Luftstrom aus der BlasluftdüseAir flow from the blowing air nozzle
5.65.6
Transporteinheit mit Transportband und ReibradantriebTransport unit with conveyor belt and friction wheel drive
5.75.7
AnpressrollenPinch Rollers
5.85.8
Luftstromairflow
5.95.9
Düsenkörpernozzle body
5.105.10
Düsenkammernozzle chamber
5.115.11
Austrittöffnungoutlet opening
5.125.12
Deckplattecover plate
5.135.13
BlasluftzuleitungBlasluftzuleitung
66
Aufnahmeeinrichtung (Einschub für Falztasche)Recording device (insert for folding pocket)
1010
Falzmaschinefolding machine
B1B1
Bogen im 1. KBSheet in the 1st KB
B3B3
Bogen in der TascheBow in the bag
B4B4
im 2. KB gefalzter Bogenin the 2nd KB folded sheet
Brbr
Nach rechts ausgeleiteter BogenArched to the right
B1B1
Nach links ausgeleiteter BogenLeft-hand bow
TT
Transportrichtung in der TransportvorrichtungTransport direction in the transport device

Claims (10)

  1. Folder (10) for creating signatures out of sheet-shaped elements (Bl, B3, Br, B1), comprising at least one knife folding unit (1, 4) and at least one receiving device (6) for a buckle plate (3), a buckle plate (3) being insertible into and removable from a respective receiving device (6) in a receiving plane,
    characterized in
    that the folder (10) includes a transport device (5) for delivering signatures (Br) and that the transport device (5) is held by the at least one receiving device (6).
  2. Folder according to Claim 1,
    characterized in
    that in the transport device, the transport direction (T) of the signatures (Br) to be delivered is essentially parallel to the receiving plane of the receiving device (6).
  3. Folder according to one of the preceding claims,
    characterized in
    that the receiving device (6) for holding the transport device (5) is arranged downstream of the at least one knife folding unit (1, 4).
  4. Folder according to one of the preceding claims,
    characterized in
    that the transport device (5) includes a sheet deflector (5.3) in its entry region.
  5. Folder according to one of the preceding claims,
    characterized in
    that the transport device (5) includes an upper (5.1) and a lower (5.2) guide surface for guiding the signatures (Br) to be delivered between the guide surfaces (5.1, 5.2), the guide surfaces (5.1, 5.2) extending essentially in parallel with the receiving plane of the receiving device (6).
  6. Folder according to one of the preceding claims,
    characterized in
    that the transport device (5) includes at least one transport element (5.4, 5.6, 5.7) for transporting the signatures (Br) to be delivered.
  7. Folder according to Claim 6,
    characterized in
    that the transport element is embodied as a transport belt (5.6).
  8. Folder according to Claim 6,
    characterized in
    that the transport element is embodied as a driven transport roller.
  9. Folder according to Claim 6,
    characterized in
    that the transport element is embodied as a blown-air element (5.4).
  10. Folder according to Claim 9,
    characterized in
    that the blown-air element (5.4) includes a nozzle bar having a plurality of blown-air nozzles (5.11), a stream of air (5.5) being creatable that is aligned essentially in parallel with the guide surfaces (5.1, 5.2), and that the blown-air nozzles (5.11) are in particular embodied as Venturi nozzles.
EP12163667.4A 2011-04-28 2012-04-11 Folding machine with transport device Active EP2517995B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011018859A DE102011018859A1 (en) 2011-04-28 2011-04-28 Folding machine with transport device

Publications (2)

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EP2517995A1 EP2517995A1 (en) 2012-10-31
EP2517995B1 true EP2517995B1 (en) 2013-12-11

Family

ID=46027618

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EP (1) EP2517995B1 (en)
JP (1) JP3176836U (en)
CN (1) CN102756944A (en)
DE (1) DE102011018859A1 (en)
PT (1) PT2517995E (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150057140A1 (en) * 2013-08-22 2015-02-26 T.S.D. Llc Folding machine as combined knife and buckle folders
CN104444554B (en) * 2014-09-29 2017-09-01 武汉恒飞电气科技有限公司 Automatic dress material folding machine
DE102015213334A1 (en) * 2015-07-16 2017-01-19 Heidelberger Druckmaschinen Ag Pocket folder and Bogenfalzmaschine with such a pocket folder
JP7082391B2 (en) * 2017-08-28 2022-06-08 ケイディケイ株式会社 Folding device
CN110844680A (en) * 2019-12-11 2020-02-28 江西美宝利实业有限公司 Gauze piece folder based on human engineering
CN112093175A (en) * 2020-09-23 2020-12-18 马鞍山市示范生产力促进中心有限公司 Transverse folding device for producing and packaging handkerchief paper

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Publication number Priority date Publication date Assignee Title
DE2940360A1 (en) 1979-10-05 1981-04-23 Stahl Gmbh & Co Maschinenfabrik, 7140 Ludwigsburg SINGLE FOLDING PLANT
JPS56138248A (en) * 1980-03-31 1981-10-28 Takeda Chem Ind Ltd Enzyme immunity measuring method of artificial woolen gonadotropine
DE3147064A1 (en) 1981-11-27 1983-06-01 Stahl Gmbh & Co Maschinenfabrik, 7140 Ludwigsburg Folder system
GB8303329D0 (en) * 1983-02-07 1983-03-09 Coban Design Ass Setting nips of rollers
US5030193A (en) * 1989-08-31 1991-07-09 Harris Graphics Corporation Folder apparatus for folding continuously moving sheets
DE4114105C2 (en) * 1991-04-30 1994-09-15 Baeuerle Gmbh Mathias Upsize folding machine
US20050092440A1 (en) * 2001-05-04 2005-05-05 Lindsay Wayne R. Automated fold and seal apparatus
DE102004041471A1 (en) 2003-09-24 2005-04-21 Heidelberger Druckmasch Ag Drive for pocket folding machine has first folding rolls driven together by drive motor via longitudinal shaft and transmissions
US20050209079A1 (en) * 2004-03-16 2005-09-22 Heidelberger Druckmaschinen Ag Blower for a folder pocket
DE102004012692A1 (en) * 2004-03-16 2005-10-06 Heidelberger Druckmaschinen Ag Blower for a folding pocket
DE102006042880A1 (en) * 2006-09-13 2008-03-27 Heidelberger Druckmaschinen Ag Device for positioning a trailing edge of sheets
DE102006042878A1 (en) * 2006-09-13 2008-03-27 Heidelberger Druckmaschinen Ag Device for positioning a trailing edge of sheets
DE102006055301A1 (en) 2006-11-23 2008-05-29 Heidelberger Druckmaschinen Ag Sword folding machine with a pocket folder located upstream and method for folding sheets from flat printing material

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Publication number Publication date
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JP3176836U (en) 2012-07-05
CN102756944A (en) 2012-10-31
EP2517995A1 (en) 2012-10-31
PT2517995E (en) 2014-01-30

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