EP1710186B1 - Front stop for a blade folder. - Google Patents

Front stop for a blade folder. Download PDF

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Publication number
EP1710186B1
EP1710186B1 EP06110885A EP06110885A EP1710186B1 EP 1710186 B1 EP1710186 B1 EP 1710186B1 EP 06110885 A EP06110885 A EP 06110885A EP 06110885 A EP06110885 A EP 06110885A EP 1710186 B1 EP1710186 B1 EP 1710186B1
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EP
European Patent Office
Prior art keywords
leading
sheet
edge stop
stop
edge
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EP06110885A
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German (de)
French (fr)
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EP1710186A1 (en
Inventor
Klaus-Peter Schreiber
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Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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Publication of EP1710186A1 publication Critical patent/EP1710186A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/06—Movable stops or gauges, e.g. rising and falling front stops
    • 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 relates to a front edge stop for sheet-like printing substrates, in particular in a knife folding device, according to the preamble of claim 1.
  • a leading edge stop and side edge stops are provided so that the signature undergoes guidance during the deceleration or braking operation and aligned along the predetermined by the geometry of the folding blade coordinates .
  • Known designs of Schwertfalzwerken typically have motor-adjustable stop carrier with fixed fixed stop fingers, often provided for a minimum format of the signatures to be processed, in order to get between the transport device in the transport path of the signature.
  • Schwertfalztechnike in folding machines are used in particular for the production of cross fractures, for example in so-called combination folding machines, which have both at least one pocket and a Schwertfalzwerk.
  • marking formation can occur in the case of firmly provided and spaced stop fingers of a leading edge stop.
  • no secure stop edge is formed for the leading edge of the signature, so that at a sharp deceleration of the signature this can come to lie obliquely above the folding gap. By this twisting of the signature can cause folding inaccuracies.
  • the invention is therefore based on the object to provide a blade folder with a leading edge stop, with the difficult, such as very thin sheet-like substrates are safe to handle.
  • leading edge stop for sheet-like substrates, in particular in a sword folder, wherein the leading edge stop has at least one at least from the position line of the folding blade to an extreme side edge line continuous stop surface on a leading edge stop carrier, wherein arranged on the leading edge stop guide are that are adapted to lift the leading edge of a moving in a transport plane sheet-shaped substrate.
  • a plurality of guide means along the width of the leading edge stop are arranged, in particular between the transport means which move the sheet-shaped printing material to the leading edge stop.
  • the means of transport mentioned are typically conveyor belts. Due to the fact that the sheet-shaped substrates, in particular folded sheets strike over their entire leading edge on the front edge stop according to the invention, no further format-dependent change of the leading edge stop is required, as would be the case with individual stop fingers. As a result, the total set-up time required for format changes is considerably reduced.
  • the guide means comprise deflectors which have an inlet bevel which enters the transport plane.
  • the inlet slope ends at a distance of 12 to 22 mm from the leading edge stop surface.
  • the front region of the sheet-shaped printing material on the deflector again has a substantially rectangular position with respect to the leading edge stop surface. This can avoid that the leading edge of the sheet-shaped printing material could slip on the leading edge stop due to an inclination to the horizontal. As a result, the impact accuracy of the sheet-shaped printing material is thus improved.
  • the top of the deflector is rounded in the region between the end of the inlet slope and the leading edge stop side, whereby damage can be avoided because the leading edge of the incoming sheet-shaped substrate so not encountered an edge where they could get caught.
  • the support surface is minimized.
  • the guide means have a blade which extends below the transport plane of the sheet-like substrates in the transport direction, wherein the sheet has a substantially horizontal upper edge.
  • the sheet is, for example, a narrow sheet metal with a substantially rectangular cross section, advantageously also provided with an inlet slope.
  • a sheet-shaped substrate is also supported by the upper edge of the sheet between the conveyor belts, so that a secure transport of the sheet-like printing material is ensured.
  • the upper edge of the sheet either coincides with the transport plane or is slightly below it.
  • the guide means have deflectors which have an inlet bevel which enters the transport plane, the inlet slope of the deflectors extending below the upper edge of the blade. This guarantees in any case that the sheet-like substrate will slip onto the deflector and thus be safely fed to the leading edge stop.
  • the leading edge stop is designed to be vertically movable, in particular automatically movable.
  • the stop and all parts connected thereto can be moved in a simple manner from the transport plane, so that the transport path is released.
  • the guide means are arranged in a form-fitting manner on the leading edge stop. This guarantees on the one hand a secure connection with the leading edge stop, on the other hand, for example, during maintenance, the Leitsch can be easily replaced or the stop to be moved from the transport plane, if the sword folder should not find use.
  • FIG. 2 An embodiment of the front edge stop 100 according to the invention is shown in section.
  • a front edge stop carrier 10 which is a Leading edge abutment surface 12 has a guide means 20, 25 arranged in a form-fitting, but not fixed.
  • the guide means 20, 25 is primarily formed of a deflector 20 and a sheet 25.
  • the deflector 20 has a groove into which the leading edge stop carrier 10 engages. The deflector 20 rests against the leading edge stop surface 12.
  • the central guiding means 20, 25 are fastened to a concertina-type guide grid, not shown, which is laterally adjustable in width, and are adapted to the skilled person in the case of format adjustments in the lateral direction with the guide grid, the lateral supports 30 and lateral, not shown Moving belts known from the prior art along the groove 23 on Vorderkantenanschlagisme 10 moved.
  • Schwertfalztechnike also have other equipment-fixed conveyor belts, which are arranged in the vicinity of the folding blade.
  • the insertion of the central conductive means 20, 25 can be omitted partially or completely.
  • Said guide rail, the carrier 30 and the said conveyor belts are advantageously located with their upper edge all in the transport plane. 5
  • the deflector 20 has an inlet slope 21.
  • the inlet bevel 21 is arranged relative to a transport plane 5 of a sheet feed material 1, in particular a folded sheet 5, in the direction indicated by the reference character T, such that the inlet bevel 21 begins in the transport direction T below the transport plane 5 and displaces by a height difference H. ends above the transport level 5.
  • the height difference H ie the distance between Abweiseroberseite 22 and transport plane 5 of the order of 1 to 2 mm.
  • transport plane 5 is to be understood as the underside of the sheet-shaped printing material 1, in particular of the folded sheet 1.
  • the inlet slope 21 terminates at a distance D in front of the leading edge stop surface 12, in the illustrated embodiment of the order of 10 to 22 mm.
  • the front edge 3 of the sheet-shaped printing substrate 1 strikes the front edge stop surface 12 at right angles and in its entire width.
  • the sheet-shaped substrate 1 on very effective and gentle way brought to a standstill. This stopping is still supported by not shown Hinterkantenanschlagstoff.
  • the Abweiseroberseite 22 of the central guide means 20, 25 is rounded transversely to the transport direction T.
  • the support surface of the sheet-shaped printing material 1 on the deflector 20 is lower, whereby markings of the sheet-shaped printing material 1 are avoided. Also, there are no potentially protruding edges in the way.
  • a sheet 25 is arranged, a substantially rectangular plate having rounded corners and also has an inlet slope 26 which begins significantly below the transport plane 5.
  • the upper edge 27 of the sheet 25 coincides with the transport plane 5 or is slightly below.
  • the sheet 25 serves as support of the sheet-like printing material 1, between the transport belts, not shown, known in the art, which transport the sheet-shaped substrate 1 to the front edge stop 100.
  • the transition from the sheet 25 to the deflector 20 is now such that the inlet slope 21 of the deflector on both sides of the sheet 25 protrude below the upper edge 27 of the sheet.
  • slightly differently configured deflectors 20 are arranged, which do not surround a sheet 25, but rather are arranged on both sides of a carrier 30. These deflectors 20 have a corresponding inlet bevel 21 and a groove 23.
  • conveyor belts are mounted or said guide grille attached.
  • side edge stops 40 are arranged, which also have inlet slopes 41.
  • This side edge stopper 40 preferably has a fixed positional relationship to the adjacent carrier 30 and is also displaced according to the dimensions of the sheet-like substrate 1 with.
  • the leading edge stop carrier 10 can be moved up and down in the direction of movement indicated by reference numeral 14. This mobility of the leading edge stop carrier 10 serves to remove the leading edge stop carrier 10 from the Transport level 5 to move when it is not brought, so if, for example, no sword fold in the sheet-shaped substrate 1 is to be formed.
  • the front edge stop 100 according to the invention can be used particularly advantageously in knife folders, in particular in the so-called combination folding machines, but also an application in other devices for handling sheet-shaped substrates 1, in which the sheet-like substrates 1 are stopped and aligned based on their front edge 3 is conceivable in punching, for example.

Abstract

The stopper has a stop surface continuing from a center line of a sheet-shaped print substrate to an extreme side edge line. Guiding units are arranged on the front edge stopper along the width of the stopper and between transporting units, which moves the substrate to the stopper. The units have a deflector (20) with an intake chamfer (21) handing in a transportation plane and raise the front edge of the substrate from the plane.

Description

Die Erfindung betrifft einen Vorderkantenanschlag für blattförmige Bedruckstoffe, insbesondere in einem Schwertfalzwerk, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a front edge stop for sheet-like printing substrates, in particular in a knife folding device, according to the preamble of claim 1.

Um eine möglichst präzise Falzung einer durch eine Transporteinrichtung an ein Schwertfalzwerk herantransportierten Signatur zu ermöglichen, sind typischerweise ein Vorderkantenanschlag und Seitenkantenanschläge vorgesehen, so dass die Signatur während des Verzögerungs- oder Bremsvorgangs eine Führung erfährt und ausgerichtet entlang der durch die Geometrie des Falzschwertes vorgegebenen Koordinaten wird. Bekannte Ausführungen von Schwertfalzwerken weisen typischerweise motorisch verstellbare Anschlagträger mit fest fixierten Anschlagfingern, häufig vorgesehen für ein minimales Format der zu verarbeitenden Signaturen, auf, um zwischen die Transporteinrichtung in den Transportweg der Signatur zu gelangen. Schwertfalzwerke in Falzmaschinen werden insbesondere zur Erzeugung von Kreuzbrüchen verwendet, beispielsweise in so genannten Kombifalzmaschinen, welche sowohl wenigstens ein Taschen- als auch ein Schwertfalzwerk aufweisen.In order to enable the most accurate possible folding of a transported by a transport device to a sword folder signature, typically a leading edge stop and side edge stops are provided so that the signature undergoes guidance during the deceleration or braking operation and aligned along the predetermined by the geometry of the folding blade coordinates , Known designs of Schwertfalzwerken typically have motor-adjustable stop carrier with fixed fixed stop fingers, often provided for a minimum format of the signatures to be processed, in order to get between the transport device in the transport path of the signature. Schwertfalzwerke in folding machines are used in particular for the production of cross fractures, for example in so-called combination folding machines, which have both at least one pocket and a Schwertfalzwerk.

Beispielsweise ist in der US 5,158,524 ein derartiger Vorderkantenanschlag an einem Schwertfalzwerk offenbart. In diesem Dokument ist ein Schwertfalzwerk mit einem Vorderkantenanschlag zur Abbremsung der Bewegung eines mit einer Transporteinrichtung über den Falzspalt beförderten Bogens und mit Anschlägen zur Vermeidung einer Vertikalbewegung der Seitenkanten des Bogens während des Falzvorgangs dargestellt. Die Anschläge zur Vermeidung einer Vertikalbewegung sind am Vorderkantenanschlag aufgenommen und können gemeinsam bewegt werden, beispielsweise um sie vom Falzspalt im Fall einer Fehloperation zur schnellen Behebung des Problems abzuziehen.For example, in the US 5,158,524 discloses such a leading edge stop on a knife folder. This document discloses a blade folder having a leading edge stop for decelerating the movement of a sheet conveyed across the seaming nip with a conveyor and stops for preventing vertical movement of the side edges of the sheet during the folding operation. The vertical motion stops are received at the leading edge stop and can be moved together, for example to remove them from the folding nip in the event of a mis-operation to quickly resolve the problem.

Insbesondere bei großen Formaten der zu falzenden Signaturen und dünnem Bedruckstoff kann es bei fest vorgesehenen und beabstandeten Anschlagfingern eines Vorderkantenanschlags zu Markierungsbildung kommen. Zudem wird keine sichere Anschlagkante für die Vorderkante der Signatur gebildet, sodass bei einer heftigen Abbremsung der Signatur diese schräg über dem Falzspalt zu liegen kommen kann. Durch diese Verdrehung der Signatur können Falzungenauigkeiten entstehen.Particularly in the case of large formats of the signatures to be folded and of the thin printing substrate, marking formation can occur in the case of firmly provided and spaced stop fingers of a leading edge stop. In addition, no secure stop edge is formed for the leading edge of the signature, so that at a sharp deceleration of the signature this can come to lie obliquely above the folding gap. By this twisting of the signature can cause folding inaccuracies.

Um eine oben angesprochene Markierungsbildung zu vermeiden und um eine sichere Arbeitsweise bei allen Formaten zu gewährleisten, werden häufig bei gängigen Falzmaschinen nach dem Einstellen der Seitenanschläge zusätzliche Anschlagfinger manuell, dem Format der zu falzenden Signatur entsprechend, eingebaut. Diese zusätzlichen Anschlagfinger müssen wieder ausgebaut werden, sobald die Seitenanschläge bewegt werden sollen. Eine automatische Einstellung, insbesondere zur Berücksichtigung des Formates der Signatur, ist auf diesem Wege nicht möglich.In order to avoid the above-mentioned marking formation and to ensure safe operation in all formats, additional stop fingers are often manually in the folding machines after adjusting the side stops, the format of the signature to be folded, installed. These additional stop fingers must be removed again as soon as the side stops are to be moved. An automatic adjustment, in particular to take account of the format of the signature, is not possible in this way.

Aus der europäischen Patentanmeldung EP 1 251 095 A2 ist ein Schwertfalzwerk mit einer zugeordneten Transporteinrichtung bekannt, durch welche eine Signatur vor dem Falzvorgang in einer Transportebene an eine Anschlagträgereinheit befördert wird, wobei die Anschlagträgereinheit relativ zum Falzschwert im Wesentlichen parallel zur Transportebene bewegbar ist und wenigstens einen sich zumindest von der Positionslinie des Falzschwertes bis zu einer extremen Seitenkantenlinie durchgehend erstreckenden Vorderkantenanschlag aufweist, welcher im Wesentlichen senkrecht zur Transportebene bewegbar ist. Entsprechend den Material- und Produktionsparametern kann eine vollautomatische Einstellung des Schwertfalzwerkes erfolgen.From the European patent application EP 1 251 095 A2 a Schwertfalzwerk with an associated transport device is known, through which a signature is conveyed before the folding in a transport plane to a stop carrier unit, the stop carrier unit is movable relative to the folding blade substantially parallel to the transport plane and at least one at least from the position line of the folding blade up to having an extreme side edge line continuously extending leading edge stop, which is movable substantially perpendicular to the transport plane. Depending on the material and production parameters, a fully automatic adjustment of the blade folder can be carried out.

Aber auch hier ist es problematisch, besonders dünne Papiere sicher an den Anschlag heranzuführen. Es besteht auch die Gefahr, dass Falzbogen den Anschlag unterlaufen können. Zudem kann es nachteilig sein, wenn der Falzbogen nur an mehreren einzelnen Stellen am Vorderkantenanschlag anschlägt, wie dies bei Anschlagsfingern der Fall ist. Gerade bei dünnen Papieren kommt es dabei häufig zu Deformationen des Falzbogens, wenn nicht geringere Maschinengeschwindigkeiten in Kauf genommen werden. Es wäre daher wünschenswert, wenn der Vorderanschlag eines Schwertfalzwerks diesbezüglich verbessert wäre.But even here it is problematic to bring very thin papers safely to the stop. There is also the danger that signatures can undermine the attack. In addition, it may be disadvantageous if the folded sheet strikes only at several individual points on the leading edge stop, as is the case with stop fingers. Especially with thin papers it often comes to deformations of the signatures, if not lower machine speeds are accepted. It would therefore be desirable if the front stop of a blade folder would be improved in this regard.

Der Erfindung liegt daher die Aufgabe zu Grunde, ein Schwertfalzwerk mit einem Vorderkantenanschlag zu schaffen, mit dem auch schwierige, etwa sehr dünne blattförmige Bedruckstoffe sicher handhabbar sind.The invention is therefore based on the object to provide a blade folder with a leading edge stop, with the difficult, such as very thin sheet-like substrates are safe to handle.

Diese Aufgabe wird durch einen Vorderkantenanschlag für ein Schwertfalzwerk mit den Merkmalen gemäß Anspruch 1 gelöst. Vorteilhafte Ausführungsformen und Weiterbildungen des erfindungsgemäßen Vorderkantenanschlags ergeben sich aus den Unteransprüchen.This object is achieved by a front edge stop for a sword folder with the features of claim 1. Advantageous embodiments and further developments of the front edge stop according to the invention emerge from the subclaims.

Dementsprechend handelt es sich bei der vorliegenden Erfindung um einen Vorderkantenanschlag für blattförmige Bedruckstoffe, insbesondere in einem Schwertfalzwerk, wobei der Vorderkantenanschlag wenigstens eine sich zumindest von der Positionslinie des Falzschwertes bis zu einer extremen Seitenkantenlinie durchgehende Anschlagfläche an einem Vorderkantenanschlagträger aufweist, wobei an dem Vorderkantenanschlag Leitmittel angeordnet sind, die geeignet zum Anheben der Vorderkante eines in einer Transportebene bewegten blattförmigen Bedruckstoffs ausgestaltet sind. Durch diese Leitmittel wird die Vorderkante des blattförmigen Bedruckstoffs, insbesondere eines Falzbogens nun sicher entlang seiner ganzen Länge an den Vorderkantenanschlag angeschlagen. Dadurch werden die genannten Deformationen auch bei einer höheren Maschinengeschwindigkeit vermieden.Accordingly, in the present invention is a leading edge stop for sheet-like substrates, in particular in a sword folder, wherein the leading edge stop has at least one at least from the position line of the folding blade to an extreme side edge line continuous stop surface on a leading edge stop carrier, wherein arranged on the leading edge stop guide are that are adapted to lift the leading edge of a moving in a transport plane sheet-shaped substrate. By this Leitmittel the leading edge of the sheet-shaped substrate, in particular a folded sheet is now struck securely along its entire length to the leading edge stop. As a result, the said deformations are avoided even at a higher machine speed.

In einer vorteilhaften Ausgestaltung des erfindungsgemäßen Vorderkantenanschlags sind mehrere Leitmittel entlang der Breite des Vorderkantenanschlags angeordnet, insbesondere zwischen den Transportmitteln, die den blattförmigen Bedruckstoff zum Vorderkantenanschlag bewegen. Bei den genannten Transportmitteln handelt es sich typischerweise um Transportbänder. Dadurch, dass die blattförmigen Bedruckstoffe, insbesondere Falzbogen über ihre ganze Vorderkante am erfindungsgemäßen Vorderkantenanschlag anschlagen, ist auch keine weitere formatabhängige Veränderung des Vorderkantenanschlags erforderlich, wie dies bei einzelnen Anschlagfingern der Fall wäre. Dadurch ist in der Summe die erforderliche Einrichtezeit bei Formatwechsel erheblich verkürzt.In an advantageous embodiment of the front edge stop according to the invention a plurality of guide means along the width of the leading edge stop are arranged, in particular between the transport means which move the sheet-shaped printing material to the leading edge stop. The means of transport mentioned are typically conveyor belts. Due to the fact that the sheet-shaped substrates, in particular folded sheets strike over their entire leading edge on the front edge stop according to the invention, no further format-dependent change of the leading edge stop is required, as would be the case with individual stop fingers. As a result, the total set-up time required for format changes is considerably reduced.

In einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Vorderkantenanschlags umfassen die Leitmittel Abweiser, die eine in die Transportebene einreichende Einlaufschräge aufweisen. Mit der Einlaufschräge wird die Vorderkante des blattförmigen Bedruckstoffs auf beschädigungsarme Art und Weise aus der Transportebene gebracht. Vorteilhafterweise endet die Einlaufschräge in einem Abstand von 12 bis 22 mm von der Vorderkantenanschlagsfläche. Dadurch hat der vordere Bereich des blattförmigen Bedruckstoffs auf dem Abweiser wieder eine im Wesentlichen rechtwinklige Lage hinsichtlich der Vorderkantenanschlagsfläche. Dadurch kann vermieden werden, dass die Vorderkante des blattförmigen Bedruckstoffs an dem Vorderkantenanschlag auf Grund einer Schieflage zur Horizontalen abrutschen könnte. Dadurch wird also die Anschlagsgenauigkeit des blattförmigen Bedruckstoffs verbessert. Außerdem ist vorteilhafterweise die Oberseite des Abweisers im Bereich zwischen dem Ende der Einlaufschräge und der Vorderkantenanschlagsseite abgerundet, wodurch Beschädigungen vermieden werden können, da die Vorderkante des einlaufenden blattförmigen Bedruckstoffs so nicht einer Kante begegnet, an der sie sich verhaken könnte. Außerdem ist so die Auflagefläche minimiert. Zudem muss berücksichtigt werden, dass beim Schwertfalz zumindest die Außenkanten des blattförmigen Bedruckstoffs ihre Bewegungsrichtung zunächst um 90° ändern, wenn die Mitte des blattförmigen Bedruckstoffs zwischen den Falzwalzen verschwindet. Zu diesem Zeitpunkt stellt die abgerundete Oberseite des Abweisers ebenfalls nur einen geringen Reibungswiderstand dar, so dass Beschädigungen am blattförmigen Bedruckstoff vermieden werden können.In a further advantageous embodiment of the front edge stop according to the invention, the guide means comprise deflectors which have an inlet bevel which enters the transport plane. With the inlet slope, the leading edge of the sheet-like substrate is brought out of the transport plane in a low-damage manner. Advantageously, the inlet slope ends at a distance of 12 to 22 mm from the leading edge stop surface. As a result, the front region of the sheet-shaped printing material on the deflector again has a substantially rectangular position with respect to the leading edge stop surface. This can avoid that the leading edge of the sheet-shaped printing material could slip on the leading edge stop due to an inclination to the horizontal. As a result, the impact accuracy of the sheet-shaped printing material is thus improved. In addition, advantageously, the top of the deflector is rounded in the region between the end of the inlet slope and the leading edge stop side, whereby damage can be avoided because the leading edge of the incoming sheet-shaped substrate so not encountered an edge where they could get caught. In addition, the support surface is minimized. In addition, it must be taken into account that at least the outer edges of the sheet-shaped printing material initially change their direction of movement by 90 ° when the blade fold disappears when the center of the sheet-shaped printing material disappears between the folding rollers. At this time, the rounded top of the deflector is also only a low frictional resistance, so that damage to the sheet-shaped substrate can be avoided.

In einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Vorderkantenanschlags weisen die Leitmittel ein Blatt auf, das sich unterhalb der Transportebene der blattförmigen Bedruckstoffe in Transportrichtung erstreckt, wobei das Blatt eine im Wesentlichen horizontale Oberkante aufweist. Bei dem Blatt handelt es sich beispielsweise um ein schmales Blech mit im Wesentlichen rechteckigem Querschnitt, vorteilhafterweise ebenfalls mit einer Einlaufschräge versehen. Dadurch wird ein blattförmiger Bedruckstoff durch die Oberkante des Blatts auch zwischen den Transportbändern unterstützt, so dass für einen sicheren Transport des blattförmigen Bedruckstoffs gesorgt ist. Die Oberkante des Blattes stimmt dabei entweder mit der Transportebene überein oder liegt etwas darunter.In a further advantageous embodiment of the leading edge stop according to the invention, the guide means have a blade which extends below the transport plane of the sheet-like substrates in the transport direction, wherein the sheet has a substantially horizontal upper edge. The sheet is, for example, a narrow sheet metal with a substantially rectangular cross section, advantageously also provided with an inlet slope. As a result, a sheet-shaped substrate is also supported by the upper edge of the sheet between the conveyor belts, so that a secure transport of the sheet-like printing material is ensured. The upper edge of the sheet either coincides with the transport plane or is slightly below it.

In Weiterbildung dieser vorteilhaften Ausgestaltung des erfindungsgemäßen Vorderkantenanschlags weisen die Leitmittel Abweiser auf, die eine in die Transportebene einreichende Einlaufschräge aufweisen, wobei sich die Einlaufschräge der Abweiser bis unter die Oberkante des Blatts erstreckt. Dadurch wird auf jeden Fall garantiert, dass der blattförmige Bedruckstoff auf den Abweiser rutscht und damit sicher dem Vorderkantenanschlag zugeführt wird.In a further development of this advantageous embodiment of the front edge stop according to the invention, the guide means have deflectors which have an inlet bevel which enters the transport plane, the inlet slope of the deflectors extending below the upper edge of the blade. This guarantees in any case that the sheet-like substrate will slip onto the deflector and thus be safely fed to the leading edge stop.

In einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Vorderkantenanschlags ist der Vorderkantenanschlag vertikal bewegbar ausgestaltet, insbesondere automatisch bewegbar. Durch einen geeigneten Antrieb kann dadurch der Anschlag und alle damit verbundenen Teile auf einfache Weise aus der Transportebene bewegt werden, so dass der Transportpfad freigegeben wird.In a further advantageous embodiment of the front edge stop according to the invention, the leading edge stop is designed to be vertically movable, in particular automatically movable. By a suitable drive, the stop and all parts connected thereto can be moved in a simple manner from the transport plane, so that the transport path is released.

In einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Vorderkantenanschlags sind die Leitmittel formschlüssig an dem Vorderkantenanschlag angeordnet. Dies garantiert einerseits eine sichere Verbindung mit dem Vorderkantenanschlag, andererseits können beispielsweise bei Wartungsarbeiten die Leitmittel einfach ausgetauscht werden oder der Anschlag aus der Transportebene bewegt werden, wenn das Schwertfalzwerk nicht Verwendung finden soll.In a further advantageous embodiment of the leading edge stop according to the invention, the guide means are arranged in a form-fitting manner on the leading edge stop. This guarantees on the one hand a secure connection with the leading edge stop, on the other hand, for example, during maintenance, the Leitmittel can be easily replaced or the stop to be moved from the transport plane, if the sword folder should not find use.

Bevorzugte Ausführungsformen der erfindungsgemäßen Vorrichtung werden im Folgenden unter Bezugnahme auf die Zeichnung im Einzelnen näher beschrieben. Es zeigen in schematischer Darstellung:

Fig. 1
eine isometrische Ansicht einer erfindungsgemäßen Ausführungsform eines Vorderkantenanschlags mit Leitelementen;
Fig. 2
eine Schnittansicht der erfindungsgemäßen Ausführungsform eines Vorderkantenanschlags mit Leitelementen.
Preferred embodiments of the device according to the invention are described in detail below with reference to the drawing. In a schematic representation:
Fig. 1
an isometric view of an embodiment of a leading edge stop according to the invention with guide elements;
Fig. 2
a sectional view of the embodiment according to the invention a leading edge stop with guide elements.

Die Darstellung einer bevorzugten erfindungsgemäßen Ausführungsform des Vorderkantenanschlags 100 mit Leitelementen 20 in den Fig. 1 und Fig. 2 beschränkt sich auf die Darstellung von erfindungswesentlichen Komponenten. Weitere, allgemein bekannte und zum Betrieb der Vorrichtung erforderliche Antriebs- und/oder Führungsmittel und Kurvenscheiben sowie elektrische Schaltkreise oder weitere Teile von Schwertfalzwerken sind, wenn, dann nur schematisch dargestellt bzw. werden nur in allgemeiner Form beschrieben.The representation of a preferred embodiment according to the invention of the leading edge stop 100 with guide elements 20 in the Fig. 1 and Fig. 2 limited to the representation of components essential to the invention. Further, generally known and required for operating the device drive and / or guide means and cams as well as electrical circuits or other parts of Schwertfalzwerken are, if then shown only schematically or are described only in general form.

In der Fig. 2 ist eine Ausführungsform des erfindungsgemäßen Vorderkantenanschlags 100 im Schnitt gezeigt. An einem Vorderkantenanschlagträger 10, der eine Vorderkantenanschlagsfläche 12 aufweist, ist ein Leitmittel 20, 25 formschlüssig angeordnet, aber nicht befestigt. Das Leitmittel 20, 25 wird vornehmlich aus einem Abweiser 20 und einem Blatt 25 gebildet. Der Abweiser 20 weist eine Nut auf, in die der Vorderkantenanschlagträger 10 eingreift. Der Abweiser 20 liegt dabei an der Vorderkantenanschlagsfläche 12 an.In the Fig. 2 An embodiment of the front edge stop 100 according to the invention is shown in section. On a front edge stop carrier 10, which is a Leading edge abutment surface 12 has a guide means 20, 25 arranged in a form-fitting, but not fixed. The guide means 20, 25 is primarily formed of a deflector 20 and a sheet 25. The deflector 20 has a groove into which the leading edge stop carrier 10 engages. The deflector 20 rests against the leading edge stop surface 12.

Die mittleren Leitmittel 20, 25 sind mit einem nicht gezeigten, dem Fachmann aus dem Stand der Technik bekannten zieharmonikaartigen und dadurch seitlich breitenanpassbaren Leitgitter befestigt und werden bei Formatanpassungen in seitlicher Richtung mit dem Leitgitter, den seitlichen Trägem 30 und seitlichen, nicht gezeigten, dem Fachmann aus dem Stand der Technik bekannten Transportbändern entlang der Nut 23 am Vorderkantenanschlagträger 10 verschoben. Im Übrigen weisen Schwertfalzwerke auch noch weitere gerätefeste Transportbänder auf, die in der Nähe des Falzschwerts angeordnet sind. Je nach den Abmessungen des blattförmigen Bedruckstoffs 1 kann auf das Einsetzen der mittleren Leitmittel 20, 25 teilweise oder ganz verzichtet werden. Das genannte Leitgitter, die Träger 30 und die genannten Transportbänder befinden sich vorteilhafterweise mit ihrer Oberkante alle in der Transportebene 5.The central guiding means 20, 25 are fastened to a concertina-type guide grid, not shown, which is laterally adjustable in width, and are adapted to the skilled person in the case of format adjustments in the lateral direction with the guide grid, the lateral supports 30 and lateral, not shown Moving belts known from the prior art along the groove 23 on Vorderkantenanschlagträger 10 moved. In addition, Schwertfalzwerke also have other equipment-fixed conveyor belts, which are arranged in the vicinity of the folding blade. Depending on the dimensions of the sheet-shaped printing substrate 1, the insertion of the central conductive means 20, 25 can be omitted partially or completely. Said guide rail, the carrier 30 and the said conveyor belts are advantageously located with their upper edge all in the transport plane. 5

Der Abweiser 20 weist eine Einlaufschräge 21 auf. Dabei ist die Einlaufschräge 21 relativ zu einer Transportebene 5 eines in der mit dem Bezugszeichen T gekennzeichneten Transportrichtung einlaufenden blattförmigen Bedruckstoffs 1, insbesondere eines Falzbogen 5, derart angeordnet, dass die Einlaufschräge 21 in Transportrichtung T unterhalb der Transportebene 5 beginnt und um eine Höhendifferenz H versetzt oberhalb der Transportebene 5 endet. Im dargestellten Ausführungsbeispiel ist die Höhendifferenz H, also der Abstand zwischen Abweiseroberseite 22 und Transportebene 5 von der Größenordnung von 1 bis 2 mm. Dabei ist unter dem Begriff Transportebene 5 die Unterseite des blattförmigen Bedruckstoffs 1, insbesondere des Falzbogens 1 zu verstehen.The deflector 20 has an inlet slope 21. In this case, the inlet bevel 21 is arranged relative to a transport plane 5 of a sheet feed material 1, in particular a folded sheet 5, in the direction indicated by the reference character T, such that the inlet bevel 21 begins in the transport direction T below the transport plane 5 and displaces by a height difference H. ends above the transport level 5. In the illustrated embodiment, the height difference H, ie the distance between Abweiseroberseite 22 and transport plane 5 of the order of 1 to 2 mm. In this case, the term transport plane 5 is to be understood as the underside of the sheet-shaped printing material 1, in particular of the folded sheet 1.

Durch diese Einlaufschräge 21 wird also die Vorderkante 3 des blattförmigen Bedruckstoffs 1 über die Transportebene 5 gehoben. Die Einlaufschräge 21 endet in einer Distanz D vor der Vorderkantenanschlagsfläche 12, im dargestellten Ausführungsbeispiel von der Größenordnung von 10 bis 22 mm. Dadurch trifft die Vorderkante 3 des blattförmigen Bedruckstoffs 1 im rechten Winkel und in ganzer Breite auf die Vorderkantenanschlagsfläche 12 auf. Dadurch wird der blattförmige Bedruckstoff 1 auf sehr effektive und schonende Weise zum Stillstand gebracht. Dieses Anhalten wird noch durch nicht gezeigte Hinterkantenanschlagsmittel unterstützt.By this inlet bevel 21 so the leading edge 3 of the sheet-shaped substrate 1 is lifted above the transport plane 5. The inlet slope 21 terminates at a distance D in front of the leading edge stop surface 12, in the illustrated embodiment of the order of 10 to 22 mm. As a result, the front edge 3 of the sheet-shaped printing substrate 1 strikes the front edge stop surface 12 at right angles and in its entire width. As a result, the sheet-shaped substrate 1 on very effective and gentle way brought to a standstill. This stopping is still supported by not shown Hinterkantenanschlagmittel.

Wie in Fig. 1 zu sehen ist, ist die Abweiseroberseite 22 der mittleren Leitmittel 20, 25 quer zur Transportrichtung T abgerundet. Dadurch ist die Auflagefläche des blattförmigen Bedruckstoffs 1 auf dem Abweiser 20 geringer, wodurch Markierungen des blattförmigen Bedruckstoffs 1 vermieden werden. Außerdem sind so keine möglicherweise vorstehenden Kanten im Weg.As in Fig. 1 can be seen, the Abweiseroberseite 22 of the central guide means 20, 25 is rounded transversely to the transport direction T. As a result, the support surface of the sheet-shaped printing material 1 on the deflector 20 is lower, whereby markings of the sheet-shaped printing material 1 are avoided. Also, there are no potentially protruding edges in the way.

Unterhalb der mittleren Abweiser 20 ist jeweils ein Blatt 25 angeordnet, ein im Wesentlichen rechteckiges Blech, das abgerundete Ecken aufweist und ebenfalls eine Einlaufschräge 26 aufweist, die deutlich unterhalb der Transportebene 5 beginnt. Die Oberkante 27 des Blatts 25 stimmt mit der Transportebene 5 überein oder liegt geringfügig darunter. Dadurch dient das Blatt 25 als Unterstützung des blattförmigen Bedruckstoffs 1, zwischen den nicht gezeigten, dem Fachmann bekannten Transportbändern, die den blattförmigen Bedruckstoff 1 zum Vorderkantenanschlag 100 transportieren. Der Übergang von dem Blatt 25 zu dem Abweiser 20 ist nun derart, dass die Einlaufschräge 21 des Abweisers beidseitig des Blattes 25 unter die Oberkante 27 des Blattes ragen. Dabei vereinen sich die beiden Teile der Einlaufschräge 21, die beidseits des Blattes 25 angeordnet sind, zu einer gemeinsamen Abweiseroberfläche über dem Blatt 25. In den einigen Bereichen des Vorderkantenanschlags 100 sind beidseitig etwas anders ausgestaltete Abweiser 20 angeordnet, die nicht ein Blatt 25 umgreifen, sondern vielmehr beidseitig eines Trägers 30 angeordnet sind. Auch diese Abweiser 20 weisen eine entsprechende Einlaufschräge 21 und eine Nut 23 auf. In den Trägem sind beispielsweise Transportbänder gelagert bzw. das genannte Leitgitter befestigt.Below the central deflector 20 is in each case a sheet 25 is arranged, a substantially rectangular plate having rounded corners and also has an inlet slope 26 which begins significantly below the transport plane 5. The upper edge 27 of the sheet 25 coincides with the transport plane 5 or is slightly below. As a result, the sheet 25 serves as support of the sheet-like printing material 1, between the transport belts, not shown, known in the art, which transport the sheet-shaped substrate 1 to the front edge stop 100. The transition from the sheet 25 to the deflector 20 is now such that the inlet slope 21 of the deflector on both sides of the sheet 25 protrude below the upper edge 27 of the sheet. Here, the two parts of the inlet slope 21, which are arranged on both sides of the sheet 25, to a common Abweiseroberfläche above the sheet 25. In some areas of the leading edge stop 100 slightly differently configured deflectors 20 are arranged, which do not surround a sheet 25, but rather are arranged on both sides of a carrier 30. These deflectors 20 have a corresponding inlet bevel 21 and a groove 23. In the carriers, for example, conveyor belts are mounted or said guide grille attached.

In den extremen Randbereichen des Vorderkantenanschlags 100 sind Seitenkantenanschläge 40 angeordnet, die ebenfalls über Einlaufschrägen 41 verfügen. Dieser Seitenkantenanschlag 40 hat vorzugsweise eine feste Positionsbeziehung zu dem benachbarten Träger 30 und wird auch entsprechend der Abmessungen des blattförmigen Bedruckstoffs 1 mit verschoben.In the extreme edge regions of the leading edge stop 100 side edge stops 40 are arranged, which also have inlet slopes 41. This side edge stopper 40 preferably has a fixed positional relationship to the adjacent carrier 30 and is also displaced according to the dimensions of the sheet-like substrate 1 with.

Der Vorderkantenanschlagträger 10 kann in der mit dem Bezugszeichen 14 gekennzeichneten Bewegungsrichtung auf und ab bewegt werden. Diese Beweglichkeit des Vorderkantenanschlagträgers 10 dient dazu, den Vorderkantenanschlagträger 10 aus der Transportebene 5 zu bewegen, wenn er nicht gebracht wird, also wenn zum Beispiel kein Schwertfalz im blattförmigen Bedruckstoff 1 gebildet werden soll.The leading edge stop carrier 10 can be moved up and down in the direction of movement indicated by reference numeral 14. This mobility of the leading edge stop carrier 10 serves to remove the leading edge stop carrier 10 from the Transport level 5 to move when it is not brought, so if, for example, no sword fold in the sheet-shaped substrate 1 is to be formed.

Der erfindungsgemäße Vorderkantenanschlag 100 kann besonders vorteilhaft in Schwertfalzwerken, insbesondere in den so genannten Kombifalzmaschinen eingesetzt werden, aber auch eine Anwendung in anderen Vorrichtungen zum Handhaben von blattförmigen Bedruckstoffen 1, in denen die blattförmigen Bedruckstoffe 1 anhand ihrer Vorderkante 3 gestoppt und ausgerichtet werden, ist denkbar, etwa in Stanzen.The front edge stop 100 according to the invention can be used particularly advantageously in knife folders, in particular in the so-called combination folding machines, but also an application in other devices for handling sheet-shaped substrates 1, in which the sheet-like substrates 1 are stopped and aligned based on their front edge 3 is conceivable in punching, for example.

Liste der BezugszeichenList of reference numbers

11
blattförmiger Bedruckstoff / Falzbogensheet-shaped substrate / folded sheet
33
Vorderkante des blattförmigen BedruckstoffsLeading edge of the sheet-like substrate
55
Transportebenetransport plane
1010
VorderkantenanschlagträgerLeading-edge stop support
1212
VorderkantenanschlagsflächeLeading-edge stop surface
1414
Bewegungsrichtung des VorderkantenanschlagträgersDirection of movement of the leading edge stop carrier
2020
Abweiserdeflector
2121
Einlaufschrägerun-in slope
2222
AbweiseroberseiteAbweiseroberseite
2323
Nutgroove
2525
Blattleaf
2626
Einlaufschräge des BlattsInlet slope of the sheet
2727
Oberkante des BlattsTop of the sheet
3030
Trägercarrier
4040
SeitenkantenanschlagSide edge stop
4141
Einlaufschrägerun-in slope
100100
VorderkantenanschlagLeading-edge stop
DD
Distanz zwischen Ende der Einlaufschräge und VorderkantenanschlagsflächeDistance between end of inlet slope and leading edge stop surface
HH
Höhendifferenz zwischen Abweiseroberseite und TransportebeneHeight difference between deflector top and transport plane
TT
Transportrichtungtransport direction

Claims (10)

  1. Leading-edge stop (100) for sheet-shaped printing stock (1), in particular in a knife folding unit, the front edge stop (100) including at least one stop surface (12) that extends at least from the centre line of the sheet-shaped printing stock continuously to an extreme side edge line and is arranged on a front edge stop support (10),
    characterized by
    the fact that guide means (20, 25) are arranged on the leading-edge stop (100), the guide means (20, 25) being suitable to lift the leading edge (3) of a sheet-shaped printing stock (1) that is moved in a transport plane (5).
  2. Leading-edge stop (100) according to Claim 1,
    characterized by
    the fact that several guide means (20, 25) are arranged along the width of the leading-edge stop (100), in particular between the transport means that move the sheet-shaped printing stock (1) to the leading-edge stop.
  3. Leading-edge stop (100) according to Claim 1,
    characterized by
    the fact that the guide means (20, 25) are designed in such a way that the leading edge (3) of the sheet-shaped printing stock (1) is lifted 1 mm to 2 mm off the transport plane (5).
  4. Leading-edge stop (100) according to Claim 1,
    characterized by
    the fact that the guide means (20, 25) comprise deflecting elements (20) that have an inlet slope (21) reaching into the transport plane (5).
  5. Leading-edge stop (100) according to Claim 4,
    characterized by
    the fact that the inlet slope (21) ends at a distance of between 12 and 22 mm in front of the leading-edge stop side (12).
  6. Leading-edge stop (100) according to Claim 1,
    characterized by
    the fact that the upper side (27) of the deflecting element (20) is rounded in the region between the end of the inlet slope (21) and the leading-edge stop surface (12).
  7. Leading-edge stop (100) according to Claim 1,
    characterized by
    the fact that the guide means (20, 25) include a sheet (25) that extends in the transport direction (T) below the transport plane (5) of the sheet-shaped printing stock (1), the sheet (25) including an essentially horizontal upper edge (27).
  8. Leading-edge stop (100) according to Claim 7,
    characterized by
    the fact that the guide means (20, 25) comprise deflecting elements (20) that include an inlet slope (21) reaching into the transport plane (5) and extending as far as below the upper edge (27) of the sheet (25).
  9. Leading-edge stop (100) according to Claim 1,
    characterized by
    the fact that the leading-edge stop support (100) is designed to be movable in the vertical direction, in particular to be automatically movable.
  10. Leading-edge stop (100) according to Claim 1,
    characterized by
    the fact that the guide means (20, 25) are arranged on the leading-edge stop support (10) in a form-locking way.
EP06110885A 2005-04-05 2006-03-09 Front stop for a blade folder. Active EP1710186B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005015780A DE102005015780A1 (en) 2005-04-05 2005-04-05 Leading edge stop for a blade folder

Publications (2)

Publication Number Publication Date
EP1710186A1 EP1710186A1 (en) 2006-10-11
EP1710186B1 true EP1710186B1 (en) 2008-09-03

Family

ID=36691631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06110885A Active EP1710186B1 (en) 2005-04-05 2006-03-09 Front stop for a blade folder.

Country Status (6)

Country Link
EP (1) EP1710186B1 (en)
JP (1) JP5043359B2 (en)
CN (1) CN100569609C (en)
AT (1) ATE407085T1 (en)
DE (2) DE102005015780A1 (en)
PT (1) PT1710186E (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102011119423A1 (en) * 2010-12-22 2012-06-28 Heidelberger Druckmaschinen Ag Forward edge stop for use in arc folding machine for deceleration and aligning of arc, has abutting surfaces aligned vertical to transport direction in two planes, respectively, where edge stop is formed by plate

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE721771C (en) * 1936-03-24 1942-06-17 Brehmer Geb Cross conveyor table for buckling machines
DE1561123B2 (en) * 1966-04-29 1971-05-13 Mathias Bauerle GmbH, 7742 St Ge orgen FOLDING MACHINE WITH FOLDING POCKETS
US3856293A (en) * 1972-12-14 1974-12-24 Bell & Howell Co Automated fold pan
US3926425A (en) * 1974-06-27 1975-12-16 Kimberly Clark Co Method of coupon positioning and mechanism therefor
JPH0475964A (en) * 1990-07-13 1992-03-10 Tokyo Kikai Seisakusho Ltd Chopper folded paper restricting device for rotary press
JP2614166B2 (en) * 1993-01-25 1997-05-28 有限会社内田製本加工 Thin film reinforcement equipment
DE29516265U1 (en) * 1995-10-13 1995-12-07 Baeuerle Gmbh Mathias Upsizing machine with a saddle folder
DE10119415A1 (en) * 2001-04-20 2002-10-24 Heidelberger Druckmasch Ag Sword folder with continuous front edge stop and adjustable side edge stops

Also Published As

Publication number Publication date
JP5043359B2 (en) 2012-10-10
DE102005015780A1 (en) 2006-10-12
PT1710186E (en) 2008-12-11
DE502006001466D1 (en) 2008-10-16
JP2006290626A (en) 2006-10-26
CN1847126A (en) 2006-10-18
EP1710186A1 (en) 2006-10-11
ATE407085T1 (en) 2008-09-15
CN100569609C (en) 2009-12-16

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