EP1375399A2 - Apparatus for separating a stream of overlapping printed products into a stream of spaced apart printed products - Google Patents

Apparatus for separating a stream of overlapping printed products into a stream of spaced apart printed products Download PDF

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Publication number
EP1375399A2
EP1375399A2 EP03013905A EP03013905A EP1375399A2 EP 1375399 A2 EP1375399 A2 EP 1375399A2 EP 03013905 A EP03013905 A EP 03013905A EP 03013905 A EP03013905 A EP 03013905A EP 1375399 A2 EP1375399 A2 EP 1375399A2
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EP
European Patent Office
Prior art keywords
suction
conveyor
printed products
suction belt
belt conveyor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03013905A
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German (de)
French (fr)
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EP1375399A3 (en
EP1375399B1 (en
Inventor
Wilfried Müller
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Kolbus GmbH and Co KG
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Kolbus GmbH and Co KG
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Publication date
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Publication of EP1375399A2 publication Critical patent/EP1375399A2/en
Publication of EP1375399A3 publication Critical patent/EP1375399A3/en
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Publication of EP1375399B1 publication Critical patent/EP1375399B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
    • B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
    • B65H5/224—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices by suction belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/445—Moving, forwarding, guiding material stream of articles separated from each other
    • B65H2301/4451—Moving, forwarding, guiding material stream of articles separated from each other forming a stream or streams of separated articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/269—Particular arrangement of belt, or belts other arrangements
    • B65H2404/2691—Arrangement of successive belts forming a transport path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/11—Length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space

Definitions

  • the present invention relates to a device for separating a stream of flakes of continuously conveyed, partly overlapping printed products, like magazines, brochures etc. Like., in a sequence of spaced print products according to the preamble of claim 1.
  • Separating devices are known with one at the speed of the dry conveyor line driven, almost the end of the dry conveyor line first conveyor, a downstream of this with a speed the first conveyor higher second speed driven second Conveyor and a descaling device consisting of two pressure rollers for Accelerate the first printed product of the scale flow to the second Speed and to maintain the scaled arrangement of the subsequent ones Printed products conveyed in the shingled stream at the first speed, whereby the first pressure roller is arranged at the end of the first conveyor and the second pressure roller acts on the printed products at the beginning of the second conveyor.
  • the effectiveness the separating device depends on a large number of mutually coordinated Parameters. Parameters specified by the printed products are e.g.
  • Changeable parameters are e.g. the conveyor speeds, whereby the degree of scaling is a measure of mutual overlap of the printed products as well as the distance between the printed products being conveyed after separation determines the surface condition of the conveyor belts and the pressure rollers, the position of the pressure rollers on the conveyors, their pressure and geometric Shape and size etc. Parameter.
  • the present invention is based on the object of a device for separating a scale flow of continuously promoted, sometimes scale-like covering printed products, such as magazines, brochures and the like. Like., in one episode to create spaced print products according to the preamble of claim 1, which at simple construction a reliable and flawless dissolution of the scaled Arrangement at high processing speed without complex adjustment measures allows.
  • the idea of the invention is to keep the forces Printed products on the conveyor belts to accelerate the front one Print product or to maintain the scaled arrangement of the following Printed products conveyed in the shingled stream by one in the conveyor belts to generate integrated suction from below on the printed products and from above to dispense with pressure rollers or the like acting on the printed products.
  • the through suction fields In the suction belt conveyors the suction effect is geometrically defined first suction belt conveyor in relation to the format height of the printed products along the conveying direction adjustable.
  • the device can be used for both the overlying as well as for the underlying arrangement of the subsequent one Print product in the shingled stream. With the omission of pressure rollers arranged above is optimal accessibility of the printed products in the area of separation given.
  • the openings are in the conveyor belts the suction belt conveyor evenly distributed over the endless length on an approximately center positioned section of the conveyor belt. To enlarge the suction area are the openings in the conveyor belts on which the printed products are carried Side expanded as pockets. It is an advantage to continuously apply the Vacuum fields with vacuum, preferably one with its entrance to the Side channel compressor connected to suction fields can be generated.
  • the suction field of the first suction belt conveyor is for suction of particularly stiff printed products Can be positioned so that it can be adjusted transversely to the conveying direction in a simple manner the entire suction belt conveyor is adjusted.
  • the rigidity of the printed products is based mainly in the block binding lying on one long side of the printed products. On the other hand, the printed products are still quite flexible and can pulled there against the conveyor belt by the targeted placement of the suction field become. Due to the higher stiffness of the printed products on the side of the block binding the suction field of the second suction belt conveyor is positioned just this side, in a simple manner by adjusting the second suction belt conveyor can be reached across the conveying direction.
  • the suction belt conveyors are preferably equipped with lateral guide rails.
  • the device essentially consists of two suction belt conveyors arranged one behind the other 5 and 6, the first between the printed products 1 in the shingled stream 2 feeding conveyors 3 and a second one, separated and separated spaced-apart printed products 1 conveying conveyor 4 are arranged.
  • the printed products 1 are passed in the conveying direction F through the device, with the feed Scale stream 2 has a conveying speed v1 and the individual Print products 1 with a higher conveying speed with respect to the first conveying speed v1 v2 will be promoted.
  • the printed products 1 lie in the scale stream 2 with part of their longitudinal extent the height H in a scale-like manner, with the subsequent printed product 1 may be on or below the previous printed product.
  • an overlying shingled stream 2 is shown with an approximately 40% coverage.
  • the suction belt conveyors 5, 6 characterized by openings 19 provided with conveyor belts 9 and 10. Die Openings are approximately in the middle of the conveyor belts 9, 10 with respect to the conveyor belt width arranged evenly over their length and arrive during the Endless circulation of the conveyor belts 9, 10 in the effective range of with negative pressure actable suction boxes 11 and 12, which are within the suction belt conveyor 5 and 6 are arranged and above which on the support side of the conveyor belts 9, 10th Form suction fields 7 and 8.
  • the funded printed products 1 are during their Overflow sucked by the suction fields 7, 8, which ensures that the Print products 1 at the speed specified by the suction belt conveyors 5, 6 are promoted at the first conveying speed v1 on the first Suction belt conveyor 5 and at the second conveyor speed v2 on the second Suction belt conveyor 6.
  • the negative pressure in the suction boxes 11, 12 is generated by a side channel compressor 21, at its input 21a, the suction boxes 11, 12 are connected via supply lines 20 are. Switching the vacuum on and off in time with the individual to be separated Print products 1 is not provided. To enlarge the suction surface and thus improve it the openings 19 in the conveyor belts 9 and 10 on the suction which extends the side carrying the printed products 1 as pockets 19a.
  • the suction field 8 is located in the direction of conveyance F at the beginning of the suction belt conveyor 6 immediately before its belt deflection 14. As soon as a printed product 1 in the Area of effect of this suction field 8 arrives, it becomes the conveying speed v2 of the suction belt conveyor 6 accelerated and withdrawn from the scale stream 2 while the subsequent printed product 1 through the suction surface 7 on the conveyor belt 9 of the first suction belt conveyor 5 is held.
  • the suction field 7 is in relation to the format height H adjustable along the conveying direction F such that the Suction field 8 detected pressure product 1 is no longer in the effective area of the suction field 7.
  • the adjustable arrangement of the suction field 7 is in the Figures symbolically represented by the adjustment VL1. You can via a handwheel 13 be carried out from the outside.
  • An adjustment VSL1 is also provided, with which the length of the suction field 7 can be changed.
  • the suction belt conveyors 5, 6 are with lateral guide rails that can be adjusted to the width of the format 17 and 18 equipped to align the feed from the first conveyor 3 Scale flow 2 before the separation or for aligning the separated printed products 1 with an approximately constant pitch T to each other to the conveyor 4 are handed over.

Abstract

The machine for separating magazines or brochures (1) fed as an overlapping stream (2) on a first conveyor (3) comprises two suction belt conveyors (5, 6) positioned between it and a second conveyor (4) moving at a lower speed. The first suction belt conveyor is driven at the speed of the first conveyor and the second at that of the second conveyor. The size of the suction field of the first suction belt can be adjusted to fit different formats of magazine.

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum Vereinzeln eines Schuppenstroms von kontinuierlich geförderten, sich teilweise schuppenartig überdeckenden Druckprodukten, wie Zeitschriften, Broschuren u. dgl., in eine Folge beabstandeter Druckprodukte gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a device for separating a stream of flakes of continuously conveyed, partly overlapping printed products, like magazines, brochures etc. Like., in a sequence of spaced print products according to the preamble of claim 1.

Bei der Herstellung von klebegebundenen Druckprodukten (Broschuren) ist es erforderlich, diese Druckprodukte zwischen dem Klebebinder und der nachfolgenden Bearbeitungsstation, wie z.B. dem Dreischneider, zu trocknen. Dies geschieht i.d.R. mit einer längeren Förderstrecke, an die die Druckprodukte nach dem Klebebinder übergeben werden. Zur Erreichung kurzer Förderstrecken sowie niedriger Fördergeschwindigkeiten werden die Druckprodukte auf der Trockenförderstrecke in einem kontinuierlichen Schuppenstrom gefördert, worin die Druckprodukte durch teilweise Überdeckung schuppenartig übereinanderliegen. Am Ende der Trockenförderstrecke muss wegen der Einfuhr in die nachfolgende Bearbeitungsstation der Schuppenstrom wieder in einzeln geförderte Druckprodukte aufgelöst bzw. vereinzelt werden.When producing adhesive-bound printed products (brochures) it is necessary these printed products between the perfect binder and the subsequent processing station, such as. the three-knife trimmer to dry. This usually happens. with a longer one Conveyor line to which the printed products are transferred after the perfect binder. To achieve short conveying distances and low conveying speeds the printed products on the dry conveyor line in a continuous stream of shingles promoted, in which the printed products are overlapping like scales due to partial coverage. At the end of the dry conveying line must be imported into the following Processing station the stream of shingles back into individually conveyed printed products be dissolved or isolated.

Es sind Vereinzelungseinrichtungen bekannt mit einem mit der Geschwindigkeit der Trockenförderstrecke angetriebenen, quasi den Abschluss der Trockenförderstrecke bildenden ersten Förderer, einem diesem nachgeschalteten mit einer bezüglich der Geschwindigkeit des ersten Förderers höheren zweiten Geschwindigkeit angetriebenen zweiten Förderer und einer aus zwei Andrückrollen bestehenden Entschuppungsvorrichtung zum Beschleunigen des jeweils ersten Druckproduktes des Schuppenstroms auf die zweite Geschwindigkeit und zum Aufrechterhalten der geschuppten Anordnung der nachfolgenden im Schuppenstrom mit der ersten Geschwindigkeit geförderten Druckprodukte, wobei die erste Druckrolle am Ende des ersten Förderers angeordnet ist und die zweite Andrückrolle am Anfang des zweiten Förderers auf die Druckprodukte einwirkt. Die Wirksamkeit der Vereinzelungsvorrichtung hängt von einer Vielzahl von aufeinander abzustimmenden Parametern ab. Durch die Druckprodukte vorgegebene Parameter sind z.B. deren Größe, die durch eine Breite, eine Höhe und eine Dicke definiert ist, deren Oberflächenbeschaffenheit und Gewicht. Veränderbare Parameter sind z.B. die Fördergeschwindigkeiten, wodurch sich der Schuppungsgrad als Maß der gegenseitigen Überdeckung der Druckprodukte sowie der Abstand der geförderten Druckprodukte nach dem Vereinzeln bestimmt, die Oberflächenbeschaffenheit der Transportbänder und der Andrückrollen, die Position der Andrückrollen auf den Förderern, deren Andrückkraft sowie geometrische Form und Größe u.a. Parameter. Separating devices are known with one at the speed of the dry conveyor line driven, almost the end of the dry conveyor line first conveyor, a downstream of this with a speed the first conveyor higher second speed driven second Conveyor and a descaling device consisting of two pressure rollers for Accelerate the first printed product of the scale flow to the second Speed and to maintain the scaled arrangement of the subsequent ones Printed products conveyed in the shingled stream at the first speed, whereby the first pressure roller is arranged at the end of the first conveyor and the second pressure roller acts on the printed products at the beginning of the second conveyor. The effectiveness the separating device depends on a large number of mutually coordinated Parameters. Parameters specified by the printed products are e.g. their size, which is defined by a width, a height and a thickness, their surface quality and weight. Changeable parameters are e.g. the conveyor speeds, whereby the degree of scaling is a measure of mutual overlap of the printed products as well as the distance between the printed products being conveyed after separation determines the surface condition of the conveyor belts and the pressure rollers, the position of the pressure rollers on the conveyors, their pressure and geometric Shape and size etc. Parameter.

Das Vereinzeln von flachen Druckprodukten mit nur wenigen Millimetern Dicke und gering aneinander haftenden Oberflächen bereitet i.d.R. kein Problem. Bei Dicken von 4 mm und mehr sind jedoch erhöhte Abstimmungsaufwände erforderlich. Dies liegt darin, dass die von den Andrückrollen aufgebrachten Kräfte als sich nach unten vergrößernde Kraftkegel auf die Druckprodukte übertragen werden, insbesondere hervorgerufen durch die erhöhte Eigensteifigkeit der Druckprodukte entlang der gebundenen Seite und verstärkt durch aneinander haftende Oberflächen. Hierdurch wird das jeweils vorderste Druckprodukt des Schuppenstroms noch auf dem ersten Förderer gehalten, während die zweite Andrückrolle bereits zum Beschleunigen an diesem wirkt. Die Folge sind undefinierte Abzugsvorgänge, die sich in Schieflagen und unregelmäßig großen gegenseitigen Abständen der einzeln geförderten Druckprodukte auswirken. Dabei kann es auch zum gleichzeitigen Abzug bzw. Mitreißen von zwei oder mehr Druckprodukten kommen, die dann unter Beibehaltung ihrer geschuppten Anordnung weitertransportiert werden. Bei dickeren Druckprodukten springt die erste Andrückrolle förmlich über die nach oben vorstehenden Kanten des Schuppenstroms, was zu ungleichmäßigen quasi schwingenden Andrückverhältnissen führt. Mit der Erhöhung der Andrückkraft kann diesem zwar begegnet werden, jedoch werden dadurch die Druckprodukte in Form eines geschüsselten und damit schwer aufzulösenden Schuppenstroms deformiertThe separation of flat printed products with a thickness of only a few millimeters and small surfaces that stick together usually prepare no problem. With thicknesses of 4 mm and however, more coordination efforts are required. This is because the forces exerted by the pressure rollers as force cones which increase downwards to which printed products are transferred, in particular caused by the increased Intrinsic stiffness of the printed products along the bound side and reinforced by sticking surfaces. As a result, the foremost printed product of the Scale flow is still held on the first conveyor while the second pressure roller already acts on this to accelerate. The result is undefined deduction processes, which are in misalignments and irregularly large mutual distances of the individually promoted printed products. It can also be used at the same time Deduction or entrainment of two or more printed products, which are then retained their shingled arrangement can be transported further. For thicker printed products the first pressure roller literally jumps over the upwardly projecting edges of the stream of shingles, which leads to uneven, quasi-oscillating pressure conditions leads. This can be countered by increasing the pressing force, however this makes the printed products in the form of a bowl and therefore heavy deformed scale flow deformed

Der vorliegenden Erfindung liegt nun die Aufgabe zugrunde, eine Vorrichtung zum Vereinzeln eines Schuppenstroms von kontinuierlich geförderten, sich teilweise schuppenartig überdeckenden Druckprodukten, wie Zeitschriften, Broschüren u. dgl., in eine Folge beabstandeter Druckprodukte nach dem Oberbegriff des Anspruchs 1 zu schaffen, die bei einfacher Konstruktion ein zuverlässiges und einwandfreies Auflösen der geschuppten Anordnung bei hoher Verarbeitungsgeschwindigkeit ohne aufwändige Einstellmaßnahmen ermöglicht.The present invention is based on the object of a device for separating a scale flow of continuously promoted, sometimes scale-like covering printed products, such as magazines, brochures and the like. Like., in one episode to create spaced print products according to the preamble of claim 1, which at simple construction a reliable and flawless dissolution of the scaled Arrangement at high processing speed without complex adjustment measures allows.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des kennzeichnenden Teils des Anspruchs 1 gelöst. Die Erfindungsidee liegt darin, die Kräfte für das Halten der Druckprodukte auf den Transportbändern zum Beschleunigen des jeweils vordersten Druckproduktes bzw. zum Aufrechterhalten der geschuppten Anordnung der nachfolgenden im Schuppenstrom geförderten Druckprodukte durch eine in den Transportbändern integrierte Saugwirkung von unten auf die Druckprodukte zu erzeugen und auf von oben auf die Druckprodukte einwirkende Andrückrollen o. dgl. zu verzichten. Die durch Saugfelder in den Saugbandförderern geometrisch festgelegte Saugwirkung ist dabei beim ersten Saugbandförderer in Bezug auf die Formathöhe der Druckprodukte längs der Förderrichtung verstellbar angeordnet. Damit ist gewährleistet, dass die Saugwirkung des Transportbandes dann endet, wenn das zu vereinzelnde Druckprodukt in den Wirkbereich des am Anfang des zweiten Saugbandförderers angeordneten Saugfeldes gelangt, womit eindeutige Abzugsverhältnisse gegeben sind. Die Einrichtung ist verwendbar sowohl für die aufliegende als auch für die untenliegende Anordnung des jeweils nachfolgenden Druckproduktes im Schuppenstrom. Mit dem Verzicht auf oberhalb angeordnete Andrückrollen ist eine optimale Zugänglichkeit der Druckprodukte im Bereich der Vereinzelung gegeben.This object is achieved by the features of the characterizing part of claim 1 solved. The idea of the invention is to keep the forces Printed products on the conveyor belts to accelerate the front one Print product or to maintain the scaled arrangement of the following Printed products conveyed in the shingled stream by one in the conveyor belts to generate integrated suction from below on the printed products and from above to dispense with pressure rollers or the like acting on the printed products. The through suction fields In the suction belt conveyors, the suction effect is geometrically defined first suction belt conveyor in relation to the format height of the printed products along the conveying direction adjustable. This ensures that the suction effect of the Conveyor belt ends when the printed product to be separated is in the effective area of the suction field arranged at the beginning of the second suction belt conveyor, with which there are clear deduction ratios. The device can be used for both the overlying as well as for the underlying arrangement of the subsequent one Print product in the shingled stream. With the omission of pressure rollers arranged above is optimal accessibility of the printed products in the area of separation given.

Bevorzugte Weiterausgestaltungen der erfindungsgemäßen Vorrichtung bilden Gegenstand der abhängigen Ansprüche. Es hat sich als vorteilhaft erwiesen, die Saugwirkung des ersten Saugbandförderers auf das erste, dem zu vereinzelnden Druckprodukt nachfolgenden Druckprodukt zu beschränken. Hierzu ist die Länge das Saugfeldes einstellbar gestaltet. In bevorzugter Ausführungsform sind die Öffnungen in den Transportbändern der Saugbandförderer gleichmäßig über die endlose Länge verteilt auf einem etwa mittig positionierten Teilstück der Transportbandbreite angeordnet. Zur Vergrößerung der Saugfläche sind die Öffnungen in den Transportbändern auf der die Druckprodukte tragenden Seite als Taschen erweitert ausgebildet. Von Vorteil ist die ständige Beaufschlagung der Saugfelder mit Unterdruck, der vorzugsweise von einem mit seinem Eingang mit den Saugfeldern verbundenen Seitenkanalverdichter erzeugbar ist. Durch die vorgenannten Merkmale ergibt sich eine besonders kostengünstige Vorrichtung.Preferred further developments of the device according to the invention form the subject matter of the dependent claims. It has proven to be beneficial to the suction of the first suction belt conveyor to the first one following the printed product to be separated Restrict print product. The length of the suction field can be adjusted for this designed. In a preferred embodiment, the openings are in the conveyor belts the suction belt conveyor evenly distributed over the endless length on an approximately center positioned section of the conveyor belt. To enlarge the suction area are the openings in the conveyor belts on which the printed products are carried Side expanded as pockets. It is an advantage to continuously apply the Vacuum fields with vacuum, preferably one with its entrance to the Side channel compressor connected to suction fields can be generated. By the aforementioned Features results in a particularly inexpensive device.

Zum Ansaugen von besonders steifen Druckprodukten ist das Saugfeld des ersten Saugbandförderers quer zur Förderrichtung verstellbar positionierbar, indem in einfacher Weise der gesamte Saugbandförderer verstellt wird. Die Steifigkeit der Druckprodukte gründet sich hauptsächlich in der an der einen Längsseite der Druckprodukte liegenden Blockbindung. Die Druckprodukte sind auf der anderen Seite durchaus noch flexibel und können dort durch die gezielte Platzierung des Saugfeldes gegen das Transportband gezogen werden. Aufgrund der höheren Steifigkeit der Druckprodukte auf der Seite der Blockbindung bietet sich eine Positionierung des Saugfeldes des zweiten Saugbandförderers auf eben dieser Seite an, das in einfacher Weise durch die Verstellung des zweiten Saugbandförderers quer zur Förderrichtung erreichbar ist. Zum Ausrichten des vom ersten Förderer zugeführten Schuppenstroms bzw. zum Ausrichten der vereinzelten Druckprodukte sind die Saugbandförderer vorzugsweise mit seitlichen Führungsschienen ausgestattet.The suction field of the first suction belt conveyor is for suction of particularly stiff printed products Can be positioned so that it can be adjusted transversely to the conveying direction in a simple manner the entire suction belt conveyor is adjusted. The rigidity of the printed products is based mainly in the block binding lying on one long side of the printed products. On the other hand, the printed products are still quite flexible and can pulled there against the conveyor belt by the targeted placement of the suction field become. Due to the higher stiffness of the printed products on the side of the block binding the suction field of the second suction belt conveyor is positioned just this side, in a simple manner by adjusting the second suction belt conveyor can be reached across the conveying direction. To align the from the first Shed stream fed to the conveyor or for aligning the individual printed products the suction belt conveyors are preferably equipped with lateral guide rails.

Die Erfindung wird nun anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert.

Fig. 1
zeigt die erfindungsgemäße Vorrichtung in einer Draufsicht
Fig. 2
zeigt eine Vorderansicht der Vorrichtung.
The invention will now be explained in more detail with reference to an embodiment shown in the drawing.
Fig. 1
shows the device according to the invention in a plan view
Fig. 2
shows a front view of the device.

Die Vorrichtung besteht im Wesentlichen aus zwei hintereinander angeordneten Saugbandförderern 5 und 6, die zwischen einem ersten die Druckprodukte 1 im Schuppenstrom 2 zuführenden Förderer 3 und einem zweiten die vereinzelten und voneinander beabstandeten Druckprodukte 1 weiterfördernden Förderer 4 angeordnet sind. Die Druckprodukte 1 werden in Förderrichtung F durch die Vorrichtung geleitet, wobei der zugeführte Schuppenstrom 2 eine Fördergeschwindigkeit v1 aufweist und die vereinzelten Druckprodukte 1 mit einer bezüglich der ersten Fördergeschwindigkeit v1 höheren Fördergeschwindigkeit v2 weitergefördert werden.The device essentially consists of two suction belt conveyors arranged one behind the other 5 and 6, the first between the printed products 1 in the shingled stream 2 feeding conveyors 3 and a second one, separated and separated spaced-apart printed products 1 conveying conveyor 4 are arranged. The printed products 1 are passed in the conveying direction F through the device, with the feed Scale stream 2 has a conveying speed v1 and the individual Print products 1 with a higher conveying speed with respect to the first conveying speed v1 v2 will be promoted.

Im Schuppenstrom 2 liegen die Druckprodukte 1 mit einem Teil ihrer Längserstreckung der Höhe H schuppenartig übereinander, wobei das jeweils nachfolgende Druckprodukt 1 auf oder unter dem vorangehenden Druckprodukt liegen kann. Im Ausführungsbeispiel ist ein aufliegender Schuppenstrom 2 dargestellt mit einer etwa 40%igen Überdeckung.The printed products 1 lie in the scale stream 2 with part of their longitudinal extent the height H in a scale-like manner, with the subsequent printed product 1 may be on or below the previous printed product. In the embodiment an overlying shingled stream 2 is shown with an approximately 40% coverage.

Als Besonderheit gegenüber üblichen Förderern wie 3 und 4 sind die Saugbandförderer 5, 6 gekennzeichnet durch mit Öffnungen 19 versehene Transportbänder 9 bzw. 10. Die Öffnungen sind in den Transportbändern 9, 10 etwa mittig bezüglich der Transportbandbreite gleichmäßig über deren Länge verteilt angeordnet und gelangen während des Endlosumlaufs der Transportbänder 9, 10 in den Wirkbereich von mit Unterdruck beaufschlagbaren Saugkästen 11 und 12, die innerhalb der Saugbandförderer 5 und 6 angeordnet sind und oberhalb derer sich auf der Tragseite der Transportbänder 9, 10 Saugfelder 7 und 8 ausbilden. Die geförderten Druckprodukte 1 werden während ihres Überlaufs von den Saugfeldern 7, 8 angesaugt, wodurch gewährleistet wird, dass die Druckprodukte 1 mit der durch die Saugbandförderer 5, 6 vorgegebenen Geschwindigkeit gefördert werden und zwar mit der ersten Fördergeschwindigkeit v1 auf dem ersten Saugbandförderer 5 und mit der zweiten Fördergeschwindigkeit v2 auf dem zweiten Saugbandförderer 6.As a special feature compared to conventional conveyors such as 3 and 4, the suction belt conveyors 5, 6 characterized by openings 19 provided with conveyor belts 9 and 10. Die Openings are approximately in the middle of the conveyor belts 9, 10 with respect to the conveyor belt width arranged evenly over their length and arrive during the Endless circulation of the conveyor belts 9, 10 in the effective range of with negative pressure actable suction boxes 11 and 12, which are within the suction belt conveyor 5 and 6 are arranged and above which on the support side of the conveyor belts 9, 10th Form suction fields 7 and 8. The funded printed products 1 are during their Overflow sucked by the suction fields 7, 8, which ensures that the Print products 1 at the speed specified by the suction belt conveyors 5, 6 are promoted at the first conveying speed v1 on the first Suction belt conveyor 5 and at the second conveyor speed v2 on the second Suction belt conveyor 6.

Der Unterdruck in den Saugkästen 11, 12 wird durch einen Seitenkanalverdichter 21 erzeugt, an dessen Eingang 21a die Saugkästen 11, 12 über Versorgungsleitungen 20 verbunden sind. Ein Ab- und Zuschalten des Unterdrucks im Takt der zu vereinzelnden Druckprodukte 1 ist nicht vorgesehen. Zur Vergrößerung der Saugfläche und damit Verbesserung der Saugwirkung sind die Öffnungen 19 in den Transportbändern 9 und 10 auf der die Druckprodukte 1 tragenden Seite als Taschen 19a erweitert. The negative pressure in the suction boxes 11, 12 is generated by a side channel compressor 21, at its input 21a, the suction boxes 11, 12 are connected via supply lines 20 are. Switching the vacuum on and off in time with the individual to be separated Print products 1 is not provided. To enlarge the suction surface and thus improve it the openings 19 in the conveyor belts 9 and 10 on the suction which extends the side carrying the printed products 1 as pockets 19a.

Das Saugfeld 8 befindet sich in Förderrichtung F gesehen am Anfang des Saugbandförderers 6 unmittelbar vor dessen Bandumlenkung 14. Sobald ein Druckprodukt 1 in den Wirkungsbereich dieses Saugfeldes 8 gelangt, wird es auf die Fördergeschwindigkeit v2 des Saugbandförderers 6 beschleunigt und aus dem Schuppenstrom 2 abgezogen, während das nachfolgende Druckprodukt 1 durch die Saugfläche 7 auf dem Transportband 9 des ersten Saugbandförderers 5 gehalten wird. Das Saugfeld 7 ist bezüglich der Formathöhe H längs der Förderrichtung F verstellbar angeordnet derart, dass sich das vom Saugfeld 8 erfasste Druckprodukt 1 nicht mehr im Wirkbereich des Saugfeldes 7 befindet. Es herrschen eindeutige Abzugsbedingungen für das jeweils vorderste Druckprodukt 1 des Schuppenstroms 2 vor, während die nachfolgenden Druckprodukte 1 in geordneter Schuppanordnung verbleiben. Die verstellbare Anordnung des Saugfeldes 7 ist in den Figuren durch die Verstellung VL1 symbolisch dargestellt. Sie kann über ein Handrad 13 von außen durchgeführt werden. Es ist außerdem eine Verstellung VSL1 vorgesehen, mit der die Länge des Saugfeldes 7 veränderbar ist.The suction field 8 is located in the direction of conveyance F at the beginning of the suction belt conveyor 6 immediately before its belt deflection 14. As soon as a printed product 1 in the Area of effect of this suction field 8 arrives, it becomes the conveying speed v2 of the suction belt conveyor 6 accelerated and withdrawn from the scale stream 2 while the subsequent printed product 1 through the suction surface 7 on the conveyor belt 9 of the first suction belt conveyor 5 is held. The suction field 7 is in relation to the format height H adjustable along the conveying direction F such that the Suction field 8 detected pressure product 1 is no longer in the effective area of the suction field 7. There are clear deduction conditions for the foremost printed product 1 of the scale stream 2 before, while the subsequent print products 1 in order Scale arrangement remain. The adjustable arrangement of the suction field 7 is in the Figures symbolically represented by the adjustment VL1. You can via a handwheel 13 be carried out from the outside. An adjustment VSL1 is also provided, with which the length of the suction field 7 can be changed.

Während die Förderer 3 und 4 mit am Boden befestigten Füßen 16 ortsfest angeordnet sind, sind die Saugbandförderer 5 und 6 mit totalfeststellbaren Bockrollen 15 quer zur Förderrichtung F verschiebbar angeordnet. Die Möglichkeit der Querverstellung ist in den Figuren mit den gestrichelt gezeichneten Doppelpfeilen und der Bezeichnung VQ1 und VQ2 angegeben. Mit der Querverstellung VQ1 ergibt sich die Möglichkeit, das Saugfeld 7 des ersten Saugbandförderers 5 in dem Bereich der Druckprodukte 1 zu positionieren, in dem die geringste Steifigkeit vorliegt und sich die Druckprodukte 1 einfacher gegen das Transportband 9 saugen lassen. Bei klebegebundenen Druckprodukten 1 liegt dieser Bereich auf der der Blockbindung 1a gegenüberliegenden Seite. Im Gegensatz dazu wird mit der Querverstellung VQ2 das Saugfeld 8 des Saugbandförderers 6 dorthin verschoben, wo bei den Druckprodukten 1 eine hohe Steifigkeit vorliegt.While the conveyor 3 and 4 with feet 16 fixed to the floor are, the suction belt conveyor 5 and 6 with totally lockable fixed rollers 15 across Conveying direction F slidably arranged. The possibility of cross adjustment is in the Figures with the dashed double arrows and the designation VQ1 and VQ2 specified. With the cross adjustment VQ1 there is the possibility of the suction field 7 of the first suction belt conveyor 5 in the area of the printed products 1, in which has the lowest stiffness and the printed products 1 more easily against that Let the conveyor belt 9 suck. This range lies in the case of adhesive-bound printed products 1 on the side opposite the block binding 1a. In contrast, with the transverse adjustment VQ2, the suction field 8 of the suction belt conveyor 6 is shifted there, where there is a high degree of rigidity in the printed products 1.

Die Saugbandförderer 5, 6 sind mit seitlichen auf Formatbreite einstellbare Führungsschienen 17 bzw. 18 ausgestattet zum Ausrichten des vom ersten Förderer 3 zugeführten Schuppenstroms 2 vor der Vereinzelung bzw. zum Ausrichten der vereinzelten Druckprodukte 1, die mit einem annähernd konstanten Taktabstand T zueinander an den Förderer 4 übergeben werden. The suction belt conveyors 5, 6 are with lateral guide rails that can be adjusted to the width of the format 17 and 18 equipped to align the feed from the first conveyor 3 Scale flow 2 before the separation or for aligning the separated printed products 1 with an approximately constant pitch T to each other to the conveyor 4 are handed over.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Broschur = DruckproduktSoftcover = printed product
1a1a
BlockbindungTablet binding
22
Schuppenstromshingle stream
33
erster Fördererfirst sponsor
44
zweiter Förderersecond sponsor
55
erster Saugbandfördererfirst suction belt conveyor
66
zweiter Saugbandförderersecond suction belt conveyor
77
Saugfeldsuction field
88th
Saugfeldsuction field
99
Transportbandconveyor belt
1010
Transportbandconveyor belt
1111
Saugkastensuction box
1212
Saugkastensuction box
1313
Handradhandwheel
1414
Bandumlenkungstrip deflection
1515
BockrolleBockrolle
1616
Fußfoot
1717
Führungsleistenguide rails
1818
Führungsleistenguide rails
1919
Öffnungopening
19a19a
Taschebag
2020
Versorgungsleitungsupply line
2121
SeitenkanalverdichterSide Channel Blowers
21a21a
Eingangentrance
FF
Förderrichtungconveying direction
HH
Formathöhe DruckproduktFormat height printed product
TT
Taktabstandpitch
VL1VL1
Längsverstellung Saugbandförderer 1Longitudinal adjustment of the suction belt conveyor 1
VQ1V.sub.Q1
Querverstellung Saugbandförderer 1Transverse adjustment of the suction belt conveyor 1
VQ2V Q2
Querverstellung Saugbandförderer 2Transverse adjustment of the suction belt conveyor 2
VSL1VSL1
Längenverstellung SaugfeldLength adjustment suction field
v1v1
Fördergeschwindigkeit SchuppenstromConveying speed scale flow
v2v2
Fördergeschwindigkeit EinzelproduktConveying speed single product

Claims (9)

Vorrichtung zum Vereinzeln eines Schuppenstroms (2) von kontinuierlich geförderten, sich teilweise schuppenartig überdeckenden Druckprodukten (1), wie Zeitschriften, Broschuren u. dgl., in eine Folge beabstandeter Druckprodukte (1) mit einem mit einer ersten Geschwindigkeit (v1) angetriebenen ersten Förderer (3), einem diesem nachgeschalteten mit einer bezüglich der ersten Geschwindigkeit höheren zweiten Geschwindigkeit (v2) angetriebenen zweiten Förderer (4) und einer Entschuppungsvorrichtung (5, 6) zum Beschleunigen des jeweils ersten Druckproduktes (1) des Schuppenstroms (2) auf die zweite Geschwindigkeit (v2) und zum Aufrechterhalten der geschuppten Anordnung der nachfolgenden im Schuppenstrom (2) mit der ersten Geschwindigkeit (v1) geförderten Druckprodukte (1), dadurch gekennzeichnet, dass die Entschuppungsvorrichtung aus zwei zwischen dem ersten und dem zweiten Förderer (3, 4) hintereinander angeordneten, als Saugbandförderer (5, 6) ausgebildeten Förderern besteht, dass der erste Saugbandförderer (5) mit der ersten Geschwindigkeit (v1 ) angetrieben ist, dass der zweite Saugbandförderer (6) mit der zweiten Geschwindigkeit (v2) angetrieben ist, dass der erste Saugbandförderer (5) ein in Bezug auf die Formathöhe (H) der Druckprodukte (1) längs der Förderrichtung (F) verstellbar angeordnetes Saugfeld (7) aufweist und dass der zweite Saugbandförderer (6) ein Saugfeld (8) aufweist, das in Förderrichtung (F) gesehen am Anfang des Saugbandförderers (6) unmittelbar vor der Bandumlenkung (14) angeordnet ist.Device for separating a stream of flakes (2) from continuously conveyed, partially overlapping printed products (1), such as magazines, brochures and the like. Like., in a sequence of spaced-apart printed products (1) with a first conveyor (3) driven at a first speed (v1), a second conveyor (4) connected downstream of this with a second speed (v2) higher than the first speed, and one Descaling device (5, 6) for accelerating the respective first printed product (1) of the scale flow (2) to the second speed (v2) and for maintaining the shingled arrangement of the subsequent printed products in the scale flow (2) at the first speed (v1) 1), characterized in that the descaling device consists of two conveyors arranged in succession between the first and the second conveyor (3, 4) and designed as a suction belt conveyor (5, 6), that the first suction belt conveyor (5) at the first speed (v1 ) is driven that the second suction belt conveyor (6) is driven at the second speed (v2) because ss the first suction belt conveyor (5) has a suction field (7) which is adjustable with respect to the format height (H) of the printed products (1) along the conveying direction (F) and that the second suction belt conveyor (6) has a suction field (8) which seen in the conveying direction (F) at the beginning of the suction belt conveyor (6) immediately before the belt deflection (14). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Länge des Saugfeldes (7) des ersten Saugbandförderers (5) längs der Förderrichtung (F) einstellbar gestaltet ist.Apparatus according to claim 1, characterized in that the length of the suction field (7) of the first suction belt conveyor (5) is designed to be adjustable along the conveying direction (F). Vorrichtung nach Anspruch 1 oder 2, gekennzeichnet durch mit Öffnungen (19) versehene Transportbänder (9, 10) der Saugbandförderer (5, 6), wobei die Öffnungen (19) gleichmäßig über die endlose Länge verteilt auf einem etwa mittig positionierten Teilstück der Transportbandbreite angeordnet sind. Apparatus according to claim 1 or 2, characterized by conveyor belts (9, 10) of the suction belt conveyors (5, 6) provided with openings (19), the openings (19) being evenly distributed over the endless length on an approximately centrally positioned section of the conveyor belt width are. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass sich zur Vergrößerung der Saugfläche die Öffnungen (19) in den Transportbändern (9, 10) auf der die Druckprodukte (1) tragenden Seite als Taschen (19a) erweitern.Device according to claim 3, characterized in that , in order to enlarge the suction surface, the openings (19) in the conveyor belts (9, 10) widen as pockets (19a) on the side carrying the printed products (1). Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass beim Vereinzeln die Saugfelder (7, 8) der Saugbandförderer (5, 6) ständig mit Unterdruck beaufschlagt sind.Device according to one of claims 1 to 4, characterized in that the vacuum fields (7, 8) of the suction belt conveyor (5, 6) are constantly subjected to negative pressure during separation. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der Unterdruck von einem mit seinem Eingang (21a) mit den Saugfeldern (7, 8) verbundenen Seitenkanalverdichter (21) erzeugbar ist.Apparatus according to claim 5, characterized in that the negative pressure can be generated by a side channel compressor (21) connected to its inlet (21a) with the suction fields (7, 8). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der erste Saugbandförderer (5) quer zur Förderrichtung (F) verstellbar positionierbar ist zur Positionierung des Saugfeldes (7) in einem Bereich geringer Steifigkeit der Druckprodukte (1).Device according to one of claims 1 to 6, characterized in that the first suction belt conveyor (5) can be positioned so as to be adjustable transversely to the conveying direction (F) for positioning the suction field (7) in a region of low rigidity of the printed products (1). Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der zweite Saugbandförderer (6) quer zur Förderrichtung (F) verstellbar positionierbar ist zur Positionierung des Saugfeldes (8) in einem Bereich hoher Steifigkeit der abzuziehenden Druckprodukte (1).Device according to one of claims 1 to 7, characterized in that the second suction belt conveyor (6) can be positioned so as to be adjustable transversely to the conveying direction (F) for positioning the suction field (8) in a region of high rigidity of the printed products (1) to be removed. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Saugbandförderer (5, 6) mit seitlichen Führungsschienen (17, 18) ausgestattet sind zum Ausrichten des vom ersten Förderer (3) zugeführten Schuppenstroms (2) bzw. zum Ausrichten der vereinzelten Druckprodukte (1).Device according to one of claims 1 to 8, characterized in that the suction belt conveyors (5, 6) are equipped with lateral guide rails (17, 18) for aligning the stream of shingles (2) supplied by the first conveyor (3) or for aligning the individual ones Printed products (1).
EP03013905A 2002-06-29 2003-06-20 Apparatus for separating a stream of overlapping printed products into a stream of spaced apart printed products Expired - Lifetime EP1375399B1 (en)

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DE10229322 2002-06-29
DE10229322A DE10229322A1 (en) 2002-06-29 2002-06-29 Device for separating a shingled stream of printed products into a sequence of spaced-apart printed products

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US6918588B2 (en) 2005-07-19
EP1375399A3 (en) 2005-01-26
US20050061627A1 (en) 2005-03-24
ATE320995T1 (en) 2006-04-15
DE10229322A1 (en) 2004-01-15
EP1375399B1 (en) 2006-03-22
DE50302708D1 (en) 2006-05-11

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