EP0128334B1 - Method and device for the intermediate storage of printing products arriving in a shingled stream - Google Patents

Method and device for the intermediate storage of printing products arriving in a shingled stream Download PDF

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Publication number
EP0128334B1
EP0128334B1 EP84105043A EP84105043A EP0128334B1 EP 0128334 B1 EP0128334 B1 EP 0128334B1 EP 84105043 A EP84105043 A EP 84105043A EP 84105043 A EP84105043 A EP 84105043A EP 0128334 B1 EP0128334 B1 EP 0128334B1
Authority
EP
European Patent Office
Prior art keywords
printed products
formation
printed
partial
products
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP84105043A
Other languages
German (de)
French (fr)
Other versions
EP0128334A1 (en
Inventor
Jacques Meier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ferag AG
Original Assignee
Ferag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ferag AG filed Critical Ferag AG
Priority to AT84105043T priority Critical patent/ATE22057T1/en
Publication of EP0128334A1 publication Critical patent/EP0128334A1/en
Application granted granted Critical
Publication of EP0128334B1 publication Critical patent/EP0128334B1/en
Expired legal-status Critical Current

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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
    • B65H29/6681—Advancing articles in overlapping streams merging two or more streams into an overlapping stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/006—Winding articles into rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/60—Article switches or diverters diverting the stream into alternative paths
    • 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
    • B65H29/6654—Advancing articles in overlapping streams changing the overlapping figure
    • B65H29/6663—Advancing articles in overlapping streams changing the overlapping figure reversing the overlapping figure
    • 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
    • B65H2301/444—Stream of articles in shingled formation, overlapping stream
    • B65H2301/4447—Stream of articles in shingled formation, overlapping stream multiple streams
    • B65H2301/44472—Stream of articles in shingled formation, overlapping stream multiple streams superposed
    • 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
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
    • 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
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • B65H2301/44732—Belts, endless moving elements on which the material is in surface contact transporting articles in overlapping stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1932—Signatures, folded printed matter, newspapers or parts thereof and books
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S271/00—Sheet feeding or delivering
    • Y10S271/902—Reverse direction of sheet movement

Definitions

  • the present invention relates to a method and a device for the intermediate storage of printed products resulting in scale formation according to the preamble of claim 1 and claim 5.
  • the present invention is based on the object of providing a method and a device of the type mentioned at the outset which, with simple means and with less stress on the winding and winding device, permits the formation of a fixed winding.
  • the resulting scale formation is divided into two sub-formations, which after changing the position of the printed products in one of the two sub-formations and then wound up together, ensures that the winding speed, i. H. the circumferential speed of the roll is only half as large as the speed of movement of the resulting scale formation.
  • the change in the position of the printed products in the respective outside, ie. H. in the lower of the two superimposed partial formations enables each winding layer formed from the two superimposed partial formations to be rotated further in the direction of winding in relation to the next outer winding layer without mutual blocking. This makes it possible to turn the wrap further from the inside - similar to a clock spring, and thus to consolidate the wrap.
  • At least two branch streams are formed from those print products that belong to the partial formation in which a change in the position of the printed products takes place, the change in position being carried out with the printed products of each of the branch streams.
  • these branch flows are then combined again into a single sub-formation, which is brought together with the other sub-formation.
  • This division into branch streams makes it possible to change the position of the printed products at a considerably lower rate than the feed rate of the resulting scale formation. H. four times lower speed.
  • These printed products 1 are from a source, not shown, for. B. from the delivery of a rotary printing press, by means of a conveyor 2, which is shown in the figures only purely schematically.
  • This conveyor 2 is of a known type and is explained in more detail, for example, in DE-OS-2519561 and the corresponding US Pat. No. 3,955,667.
  • the transporter 2 has grippers 3 arranged one behind the other, which can be triggered individually to open them. These grippers 3 hold the printed products 1 at their leading edge la, which is usually the folded edge.
  • the trailing edge of the printed products 1 lying opposite this edge 1a captured by the grippers 3 is designated 1b.
  • the first conveyor 4 is controlled in such a way that it triggers only every second gripper and leaves the other grippers labeled 3 ′ unaffected.
  • each opening device 4 there is a belt conveyor 5 or 6, the conveying direction of which device B or C corresponds to the conveying direction A of the conveyor 2.
  • the belt conveyor 5 assigned below the front opening device 4 is followed by a deflection device 7 which has a deflection drum 8 which can be rotated in the direction of arrow D about its axis 8a which is perpendicular to the conveying direction B of the belt conveyor 5.
  • This deflection drum 8 is driven by at least one drive belt 9 in a manner not shown.
  • Along one part of the circumference of the deflection drum 8 runs the one strand of an endless support belt 10, which is guided over deflection rollers and driven in the direction of arrow E in a manner not shown in detail.
  • a conveyor gap 11 is formed between the deflection drum 8 and a strand of the support belt 10.
  • a guide element 12 connects to this delivery gap 11 for the printed products 1 leaving the delivery gap 11 in the direction of arrow F.
  • a fixed stop 13 is arranged in continuation of the movement path of the printed products 1 emerging from the conveying gap 12 which is determined by this guide element 12.
  • a belt conveyor 14 is provided below the deflection device 7 and the stop 13, a belt conveyor 14 is provided, the conveying direction B of which is opposite to the direction of movement F of the printed products 1 emerging from the deflection device 7.
  • Another belt conveyor 15 with the same direction of conveyance H is connected to this belt conveyor 14.
  • This belt conveyor 15 is followed by a conveyor device 16, the conveying direction I of which corresponds to the conveying direction H of the belt conveyor 15.
  • This conveyor 16 is designed as a rocker that can be pivoted about the axis 16a and is provided with a conveyor belt or a plurality of conveyor belts arranged next to one another.
  • a pressure mechanism acts on this rocker 16, as is explained in more detail in the aforementioned DE-OS-31 23 888.
  • a winding and storage unit 17 Connected to the conveyor 16 is a winding and storage unit 17 of a known type, which is described in more detail in DE-OS-3236866 and the corresponding GB-OS-2107681.
  • This winding and storage unit 17 has a mobile frame 18 in the form of a bearing block.
  • the shaft 19 of a cylindrical winding core 20 is rotatably mounted in the frame.
  • This shaft 19 or the winding core 20 is driven in the direction of arrow K in a manner not shown, but described in the aforementioned DE-OS-31 23 888.
  • a storage spool (not shown in FIG. 2) for a winding tape, which is connected to the winding core 20 and can be placed under tension by means of a suitable device, such as that in DE-OS-32 36 866, to which already has been pointed out, has been explained in more detail.
  • the partial scale formation S 2 formed on the belt conveyor 6 is also fed to the conveyor device by means of the conveyor device 21.
  • the sub-formation S 2 is now placed on the sub-formation S 1 'brought in by the conveying device 16.
  • the partial formations S 1 'and S 2 are placed on top of one another in such a way that they are laterally offset, that is to say that each partial formation S i ' and 5 2 projects laterally with an edge region beyond the other partial formation.
  • the resulting scale formation S is divided into two partial formations S 1 and S 2 , which after a change in the position of the printed products 1 in the partial formation S 1 are placed on top of one another and wound up together, there is only one feed speed for the processing of all resulting printed products 1 the scale formation S 3 or a circumferential speed of the winding 22 is required, which is half as large as the conveying speed of the transporter 2. Thanks to the lower circumferential speed of the winding 22, the stress on the winding 22 and also on the winding and storage unit 17 is lower than in the case of direct winding of the resulting scale formation S would be the case.
  • each winding layer which is formed by the double scale formation S 3 , can rotate during the winding process relative to the next outer winding layer without mutual blocking in the direction of winding H.
  • This freedom of a relative rotation between adjacent winding layers makes it possible to wind up the winding 22 from the inside in the manner of a clock spring and thus to consolidate the winding 22. For this reason, the correct feeding of the printed products 1 is important.
  • changing the position of the printed products 1 of the first sub-formation S 1 serves another purpose.
  • a scale formation in which the printed products 1 assume the same position can be obtained with simple means, ie simply by turning this partial formation S 1 ', because of the particular position of the printed products 1 described earlier as in the original scale formation S.
  • Such a turning of the sub formation S can be separated from the other sub-formation S 2 z. B. can be achieved by means of a deflection device which is traversed by the sub-formation S 1 'and which corresponds to the construction of the deflection device 7, with the exception that when passing through this deflection device, the printed products are no longer separated.
  • the other sub-formation S 2 can, after separation from the sub-formation S 1 ', be wound up, for example, to form an intermediate roll, as described in more detail, for example, in DE-OS-3244663 published on July 21, 1983.
  • the printed products 1 then also assume the same position as in the original shingled stream S.
  • the device shown in FIG. 3 corresponds to the device shown in FIG. 1 with the exception of the design of the deflection device 7. Corresponding parts are accordingly designated by the same reference numerals in FIGS. 1 and 3.
  • the acceleration takes place, i. H. Separation of the printed products not in the course of passing through the conveyor gap 11 but before they enter this conveyor gap 11.
  • an acceleration device 23 is provided, which consists of at least one pair of acceleration rollers 24 and 25, which are not shown in detail Be driven at a speed that is greater than the conveying speed of the belt conveyor 5.
  • the printed product detected by the acceleration rollers 24, 25 is brought to a higher speed and thereby pulled out from under the subsequent printed product and conveyed against the conveying gap 11.
  • the deflection drum 8 is provided with stop elements 26 projecting from its circumference, against which the printed products 1 are conveyed.
  • the distance between successive stop elements measured in the circumferential direction of the deflection drum 8 is somewhat larger than the distance between the edges 1a and 1b of the printed products 1.
  • the position of the front edge 1a of the printed products 1 is precisely defined by conveying the printed products until they stop against the stop elements 26 .
  • the stop members 26 furthermore serve to prevent the printed product leaving the conveying gap 11 from colliding with the immediately preceding printed product 1, in that each stop element 26 with its leading surface 26a is the previous printed product 1, which is in the process of being struck at the stop 13 to lay down on the belt conveyor 14, down and out of the path of the direction of deflection 7 ver moving print product.
  • FIG. 4 in contrast to the embodiment according to FIGS. 1 and 2, there are now two deflection devices 7, 7 'which are arranged one behind the other in the conveying direction A of the conveyor 2 and which are both structurally and functionally identical to the deflection device 7 Fig. 1 correspond.
  • Another belt conveyor 5 ' is arranged between the belt conveyor 5 and the belt conveyor 6 and leads to the second deflection device 7'.
  • a further opening device 4a is provided above this second belt conveyor 5 '.
  • the belt conveyor 14 arranged below the deflection devices 7 and 7 ' connects the two deflection devices 7, 7' and is provided with projecting and revolving stop members 27.
  • stop members 27 take the place of the fixed stop 13 and thus serve on the one hand to form a stop for the printed products 1 leaving the conveying gap 11 or 11 'and to take these printed products with them further.
  • the distance between successive stop members 27 and the conveying speed of the belt conveyor 14 are so matched to the speed of movement of the printed products 1 emerging from the conveying gap 11, 11 'that in the area of the front deflection device 7 only every second stop member 27 interacts with a printed product 1, while the remaining stop members are intended to serve as a stop and driver for the printed products leaving the deflection device 7 '.
  • a lifting element 28 which is only shown schematically, is present in front of the deflecting device 7 'and determines the formation of an opening 29 by lifting each printed product 1 from the previous printed product into which the printed products emerging from the conveyor gap 11 'are inserted.
  • the opening devices 4 and 4a which serve to release those printed products 1 from the resulting scale formation S, which serve the partial formation S 1 and S i ', are controlled in such a way that only every fourth gripper 3 is opened by the first and foremost opening device 4 .
  • the next opening device 4a also only opens every fourth gripper, but offset by two grippers with respect to the foremost opening device 4.
  • the rearmost opening device 4 ' also causes the grippers 3 "which have not been triggered previously to open.
  • two branch streams S 1a and S 1b are now formed from the printed products 1 which belong to the first sub-formation S, or S 1 '.
  • the printed products After leaving the deflection device 7 or 7 ', the printed products are conveyed against a stop member of the belt conveyor 14 and then placed on this or on a preceding printed product 1.
  • the branch formation formed from the partial stream S 1a after the change in position of the printed products 1 is designated S 1a .
  • the two branch streams S 1a 'and 1b ' are combined again into a single scale stream S 1 ', which corresponds to the sub-formation S 1 ' according to FIGS. 1-3.
  • This sub-formation S i ' is merged and wound up with the other sub-formation S 2 in the manner described.
  • deflection devices 7, 7 ' which corresponds to the deflection device 7 according to FIG. 1
  • deflection devices 7, 7' can also be used which correspond in their construction and the mode of operation of the deflection device 7 according to FIG. 3.
  • winding core 20 it is further conceivable for the winding core 20 to be supported removably in a fixed position instead of being stored in a mobile frame 18.
  • the printing products 1 are accelerated or separated before or during the passage through the deflection devices 7, the stop 13 or the stop members 27 being arranged at the outlet of the conveying gap 11.
  • This can e.g. B. happen that the printed products are accelerated for the purpose of separation and conveyed against a stop, below which there is a belt conveyor, the conveying direction of the direction of movement of the printed products is opposite to the stop.
  • such a solution has the disadvantage compared to the embodiments shown part of a larger design effort.

Abstract

An imbricated product subformation is formed from one half of the printed products delivered in an imbricated product formation by a conveyor or transporter. This subformation is guided through a deflection or turning device. The printed products are accelerated and separated or singled as they run through this deflection or turning device and are simultaneously inverted. After leaving the deflection or turning device, the printed products are conveyed against a fixed stop member and are then deposited upon a belt conveyor to form a new imbricated product subformation. A second subformation is formed from the other half of the arriving printed products and is deposited upon the first altered subformation and is then conjointly wound up with this first altered subformation to form a coil or wound product package. By dividing the initially arriving imbricated product formation into two subformations and subsequently reuniting these subformations, the winding operation can take place at a speed which is only half as great as the delivery speed of the initially arriving imbricated product formation.

Description

Die vorliegende Erfindung betrifft ein Verfahren sowie eine Vorrichtung zum Zwischenspeichern von in Schuppenformation anfallenden Druckprodukten gemäss Oberbegriff des Anspruches 1 bzw. des Anspruches 5.The present invention relates to a method and a device for the intermediate storage of printed products resulting in scale formation according to the preamble of claim 1 and claim 5.

Es ist bekannt, die in Schuppenformation anfallenden Druckprodukte auf einen Wickelkern aufzuwickeln (DE-OS-31 23 888 und entsprechende GB-OS-2 081 230). Da die Umfangsgeschwindigkeit des Wickelkernes bzw. des sich auf diesem bildenden Wickels der Zuführgeschwindigkeit der Schuppenformation entsprechen muss, nimmt bei hohen Anfallraten der Druckprodukte und demzufolge einer entsprechend hohen Zuführgeschwindigkeit die Umfangsgeschwindigkeit des Wickels verhältnismässig hohe Werte an, was entsprechend hohe Fliehkräfte zur Folge hat.It is known to wind up the printed products resulting in scale formation on a winding core (DE-OS-31 23 888 and corresponding GB-OS-2 081 230). Since the peripheral speed of the winding core or of the roll forming on it must correspond to the feed speed of the scale formation, the peripheral speed of the roll assumes relatively high values at high accumulation rates of the printed products and consequently a correspondingly high feed speed, which results in correspondingly high centrifugal forces.

Der vorliegenden Erfindung liegt nun die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung der eingangs genannten Art zu schaffen, das bzw. die mit einfachen Mitteln und unter Verminderung der Beanspruchung von Wickel und Aufwickeleinrichtung die Bildung eines festen Wickels erlaubt.The present invention is based on the object of providing a method and a device of the type mentioned at the outset which, with simple means and with less stress on the winding and winding device, permits the formation of a fixed winding.

Diese Aufgabe wird erfindungsgemäss durch die Merkmale des kennzeichnenden Teils des Anspruches 1 bzw. Anspruches 5 gelöst.This object is achieved according to the invention by the features of the characterizing part of claim 1 and claim 5.

Dadurch, dass die anfallende Schuppenformation in zwei Teilformationen aufgeteilt wird, die nach einer Aenderung der Lage der Druckprodukte in einer der beiden Teilformationen aufeinandergelegt und dann zusammen aufgewickelt werden, wird erreicht, dass die Aufwickelgeschwindigkeit, d. h. die Umfangsgeschwindigkeit des Wickels, nur halb so gross ist wie die Bewegungsgeschwindigkeit der anfallenden Schuppenformation. Die vor dem Aufwickeln erfolgende Aenderung der Lage der Druckprodukte in der jeweils aussen liegenden, d. h. in der untern der beiden übereinanderliegenden Teilformationen ermöglicht, dass jede aus den zwei übereinanderliegenden Teilformationen gebildete Wicklungslage gegenüber der nächstäussern Wicklungslage ohne gegenseitige Blockierung im Drehsinn des Aufwickelns weitergedreht werden kann. So ist es möglich, den Wickel von innen her - ähnlich einer Uhrfederweiterzudrehen und so den Wickel zu verfestigen. Um auf diese Weise gebildeten, kompakten Wickel liegen die fest zusammengezogenen und damit in radialer Richtung stark komprimierten Wicklungslagen aus Druckprodukten satt aufeinander. Das Aendern der Lage der Druckprodukte in der einen Teilformation, welches die Voraussetzung für die vorstehend beschriebene Bildung eines kompakten Wickels bildet und zudem beim spätem Abwickeln auch auf einfache Weise die Gewinnung einer Schuppenformation erlaubt, in welcher die Druckprodukte dieselbe Lage aufweisen wie in der ursprünglichen Schuppenformation, kann mit konstruktiv verhältnismässig einfachen Mitteln auf einwandfreie und störungsunanfällige Art vorgenommen werden.The fact that the resulting scale formation is divided into two sub-formations, which after changing the position of the printed products in one of the two sub-formations and then wound up together, ensures that the winding speed, i. H. the circumferential speed of the roll is only half as large as the speed of movement of the resulting scale formation. The change in the position of the printed products in the respective outside, ie. H. in the lower of the two superimposed partial formations enables each winding layer formed from the two superimposed partial formations to be rotated further in the direction of winding in relation to the next outer winding layer without mutual blocking. This makes it possible to turn the wrap further from the inside - similar to a clock spring, and thus to consolidate the wrap. In order to form compact windings formed in this way, the tightly contracted and thus highly compressed winding layers of printed products lie on top of one another. The change in the position of the printed products in the one partial formation, which forms the prerequisite for the formation of a compact roll described above and also, in the case of late unwinding, also allows a scale formation in which the printed products have the same position as in the original scale formation to be obtained in a simple manner , can be carried out using structurally relatively simple means in a flawless and fault-prone manner.

Vorzugsweise werden aus denjenigen Druckprodukten, die zur Teilformation gehören, in der eine Lageänderung der Druckprodukte erfolgt, wenigstens zwei Zweigströme gebildet, wobei die Lageänderung mit den Druckprodukten jedes dieder Zweigströme vorgenommen wird. Nach erfolgter Lageänderung werden dann diese Zweigströme wieder zu einer einzigen Teilformation vereint, welche mit der andern Teilformation zusammengebracht wird. Dieses Aufteilen in Zweigströme erlaubt es, die Lageänderung der Druckprodukte bei einer gegenüber der Zuführgeschwindigkeit der anfallenden Schuppenformation erheblich geringeren, d. h. viermal kleineren Geschwindigkeit durchzuführen.Preferably, at least two branch streams are formed from those print products that belong to the partial formation in which a change in the position of the printed products takes place, the change in position being carried out with the printed products of each of the branch streams. After the change of position, these branch flows are then combined again into a single sub-formation, which is brought together with the other sub-formation. This division into branch streams makes it possible to change the position of the printed products at a considerably lower rate than the feed rate of the resulting scale formation. H. four times lower speed.

Im Folgenden werden anhand der Zeichnung Ausführungsbeispiele des Erfindungsgegenstandes näher erläutert. Es zeigen rein schematisch und in Seitenansicht:

  • Figuren 1 und 2 eine erste Ausführungsform einer erfindungsgemässen Vorrichtung zum Zwischenspeichern von Druckprodukten,
  • Figur 3 eine andere Ausführungsform einer Einrichtung zur Lageänderung der Druckprodukte innerhalb einer Teilformation, und
  • Figur 4 eine weitere Variante einer Einrichtung zur Lageänderung der Druckprodukte innerhalb einer Teilformation.
Exemplary embodiments of the subject matter of the invention are explained in more detail below with reference to the drawing. They show purely schematically and in side view:
  • FIGS. 1 and 2 show a first embodiment of a device according to the invention for temporarily storing printed products,
  • 3 shows another embodiment of a device for changing the position of the printed products within a partial formation, and
  • Figure 4 shows a further variant of a device for changing the position of the printed products within a partial formation.

An Hand der Fig. 1 und 2 wird nun zuerst die erste Ausführungsform einer erfindungsgemässen Vorrichtung zum Zwischenspeichern von Druckprodukten beschrieben. Diese Druckprodukte 1 werden von einer nicht näher dargestellten Quelle, z. B. vom Ausleger einer Rotationsdruckmaschine, mittels eines Transporteurs 2 zugebracht, der in den Fig. nur rein schematisch dargestellt ist. Dieser Transporteur 2 ist von bekannter Bauart und beispielsweise in der DE-OS-2519561 bzw. der entsprechenden US-PS-3 955 667 näher erläutert. Der Transporteur 2 weist in seiner Förderrichtung A gesehen hintereinander angeordnete Greifer 3 auf, die zum Oeffnen einzeln auslösbar sind. Diese Greifer 3 halten die Druckprodukte 1 an deren vorlaufenden Kante la, die in der Regel die Falzkante ist. Die dieser von den Greifern 3 erfassten Kante 1a gegenüberliegende, nachlaufende Kante der Druckprodukte 1 ist mit 1b bezeichnet. In Förderrichtung A des Transporteurs 2 gesehen sind hintereinander zwei Oeffnungseinrichtungen 4 und 4' angeordnet, die ebenfalls von bekannter Bauart sind. Dabei ist die erste Fördereinrichtung 4 so gesteuert, dass sie nur jeden zweiten Greifer auslöst und die andern mit 3' bezeichneten Greifer unbeeinflusst lässt. Die letztgenannten Greifer 3' werden dann durch die hintere Oeffnungseinrichtung 4' zur Freigabe der Druckprodukte 1 geöffnet.1 and 2, the first embodiment of an inventive device for temporarily storing printed products will now be described. These printed products 1 are from a source, not shown, for. B. from the delivery of a rotary printing press, by means of a conveyor 2, which is shown in the figures only purely schematically. This conveyor 2 is of a known type and is explained in more detail, for example, in DE-OS-2519561 and the corresponding US Pat. No. 3,955,667. As seen in its conveying direction A, the transporter 2 has grippers 3 arranged one behind the other, which can be triggered individually to open them. These grippers 3 hold the printed products 1 at their leading edge la, which is usually the folded edge. The trailing edge of the printed products 1 lying opposite this edge 1a captured by the grippers 3 is designated 1b. Seen in the conveying direction A of the conveyor 2, two opening devices 4 and 4 'are arranged one behind the other, which are also of a known type. The first conveyor 4 is controlled in such a way that it triggers only every second gripper and leaves the other grippers labeled 3 ′ unaffected. The latter grippers 3 'are then opened by the rear opening device 4' to release the printed products 1.

Unterhalb des Transporteurs 2 und im Bereich jeder Oeffnungseinrichtung 4, 4' ist ein Bandförderer 5 bzw. 6 angeordnet, dessen Förderrichtung B bzw. C der Förderrichtung A des Transporteurs 2 entspricht. Dem unterhalb der vorderen Oeffnungseinrichtung 4 zugeordneten Bandförderer 5 ist eine Umlenkvorrichtung 7 nachgeschaltet, die eine Umlenktrommel 8 aufweist, die um ihre rechtwinklig zur Förderrichtung B des Bandförderers 5 verlaufende Achse 8a in Richtung des Pfeiles D drehbar ist. Diese Umlenktrommel 8 wird durch wenigstens ein Antriebsband 9 auf nicht näher dargestellte Weise angetrieben. Entlang eines Teils des Umfangs der Umlenktrommel 8 verläuft der eine Trum eines endlosen Stützbandes 10, welches über Umlenkrollen geführt ist und in Richtung des Pfeiles E auf nicht näher dargestellte Weise umlaufend angetrieben wird. Zwischen der Umlenktrommel 8 und einem Trum des Stützbandes 10 wird ein Förderspalt 11 gebildet. Auslasseitig schliesst an diesen Förderspalt 11 ein Leitorgan 12 für die den Förderspalt 11 in Richtung des Pfeiles F verlassenden Druckprodukte 1 an. In Fortsetzung der durch dieses Leitorgan 12 festgelegten Bewegungsbahn der aus dem Förderspalt 12 austretenden Druckprodukte 1 ist ein feststehender Anschlag 13 angeordnet.Below the transporter 2 and in the area of each opening device 4, 4 'there is a belt conveyor 5 or 6, the conveying direction of which device B or C corresponds to the conveying direction A of the conveyor 2. The belt conveyor 5 assigned below the front opening device 4 is followed by a deflection device 7 which has a deflection drum 8 which can be rotated in the direction of arrow D about its axis 8a which is perpendicular to the conveying direction B of the belt conveyor 5. This deflection drum 8 is driven by at least one drive belt 9 in a manner not shown. Along one part of the circumference of the deflection drum 8 runs the one strand of an endless support belt 10, which is guided over deflection rollers and driven in the direction of arrow E in a manner not shown in detail. A conveyor gap 11 is formed between the deflection drum 8 and a strand of the support belt 10. On the outlet side, a guide element 12 connects to this delivery gap 11 for the printed products 1 leaving the delivery gap 11 in the direction of arrow F. A fixed stop 13 is arranged in continuation of the movement path of the printed products 1 emerging from the conveying gap 12 which is determined by this guide element 12.

Unterhalb der Umlenkvorrichtung 7 und des Anschlages 13 ist ein Bandförderer 14 vorgesehen, dessen Förderrichtung B der Bewegungsrichtung F der aus der Umlenkvorrichtung 7 austretenden Druckprodukte 1 entgegengesetzt ist. An diesen Bandförderer 14 schliesst ein weiterer Bandförderer 15 mit gleichsinniger Förderrichtung H an. Diesem Bandförderer 15 ist eine Fördereinrichtung 16 nachgeschaltet, deren Förderrichtung I der Förderrichtung H des Bandförderers 15 entspricht. Diese Fördereinrichtung 16 ist als eine um die Achse 16a schwenkbare Wippe ausgebildet, die mit einem Förderband oder mehreren nebeneinander angeordneten Förderbändern versehen ist. An dieser Wippe 16 greift ein nicht näher dargestellter Andrückmechanismus an, wie das in der bereits erwähnten DE-OS-31 23 888 näher erläutert ist.Below the deflection device 7 and the stop 13, a belt conveyor 14 is provided, the conveying direction B of which is opposite to the direction of movement F of the printed products 1 emerging from the deflection device 7. Another belt conveyor 15 with the same direction of conveyance H is connected to this belt conveyor 14. This belt conveyor 15 is followed by a conveyor device 16, the conveying direction I of which corresponds to the conveying direction H of the belt conveyor 15. This conveyor 16 is designed as a rocker that can be pivoted about the axis 16a and is provided with a conveyor belt or a plurality of conveyor belts arranged next to one another. A pressure mechanism, not shown, acts on this rocker 16, as is explained in more detail in the aforementioned DE-OS-31 23 888.

An die Fördereinrichtung 16 schliesst eine Aufwickel- und Speichereinheit 17 bekannter Bauart an, die in der DE-OS-3236866 und der entsprechenden GB-OS-2107681 näher beschrieben ist. Diese Aufwickel- und Speichereinheit 17 weist ein mobiles Gestell 18 in der Form eines Lagerbockes auf. Im Gestell ist drehbar die Welle 19 eines zylindrischen Wickelkernes 20 gelagert. Diese Welle 19 bzw. der Wickelkern 20 wird auf nicht näher dargestellte, jedoch in der bereits erwähnten DE-OS-31 23 888 beschriebene Weise in Richtung des Pfeiles K angetrieben. Im Gestell 18 ist weiter eine in Fig. 2 nicht dargestellte Vorratsspule für ein Wickelband gelagert, welches mit dem Wickelkern 20 verbunden ist und mittels einer geeigneten Einrichtung unter Zugspannung setzbar ist, wie das in der DE-OS-32 36 866, auf die bereits hingewiesen worden ist, näher erläutert worden ist.Connected to the conveyor 16 is a winding and storage unit 17 of a known type, which is described in more detail in DE-OS-3236866 and the corresponding GB-OS-2107681. This winding and storage unit 17 has a mobile frame 18 in the form of a bearing block. The shaft 19 of a cylindrical winding core 20 is rotatably mounted in the frame. This shaft 19 or the winding core 20 is driven in the direction of arrow K in a manner not shown, but described in the aforementioned DE-OS-31 23 888. In the frame 18 there is also a storage spool (not shown in FIG. 2) for a winding tape, which is connected to the winding core 20 and can be placed under tension by means of a suitable device, such as that in DE-OS-32 36 866, to which already has been pointed out, has been explained in more detail.

An den der hinteren Oeffnungseinrichtung 4' zugeordneten Bandförderer 6 schliesst eine Fördereinrichtung 21 an, die ebenfalls als Wippe ausgebildet ist und um ihre Achse 21a schwenkbar ist und ein Förderband oder mehrere nebeneinander angeordnete Förderbänder aufweist. Die Förderrichtung L der Fördereinrichtung 21 entspricht der Förderrichtung C des Bandförderers 6. Die Fördereinrichtung 21 ist oberhalb der Fördereinrichtung 16 angeordnet und endet in einem gewissen Abstand vor dem mobilen Gestell 18, wie das die Fig. 2 zeigt. Der Mechanismus zum Verstellen der Schwenklage der Fördereinrichtung 21 in Abhängigkeit von der Schwenklage der Fördereinrichtung 16 ist nicht dargestellt. Die Einrichtung gemäss den Fig. 1 und 2 arbeitet nun wie folgt :

  • Wie bereits erwähnt, werden die Greifer 3 des Transporteurs 2 abwechselnd durch die Oeffnungseinrichtung 4 oder die Oeffnungseinrichtung 4' geöffnet. Die beim Oeffnen der Greifer 3, 3' freigegebenen Druckprodukte werden auf den Bandförderer 5 bzw. 6 abgelegt, wobei sich auf diesem Bandförderer 5, 6 wieder eine Schuppenformation S1 bzw. S2 bildet. Die Druckprodukte 1 nehmen in diesen Teilformationen S1 und 52 dieselbe Lage ein wie im anfallenden Schuppenstrom S, d. h., dass auch in diesen Teilformationen 81, 82 jedes Druckprodukt 1 auf dem vorangehenden Druckprodukt aufliegt und dieselbe Kante 1a die vorlaufende Kante bildet wie im anfallenden Schuppenstrom S. Der sich auf dem vorderen Bandförderer 5 bildende Schuppenstrom 51 wird nun der Umlenkvorrichtung 7 zugeführt. Beim Eintritt der Druckprodukte 1 in den Förderspalt 11 werden diese durch die Umlenktrommel 8 bzw. das Antriebsband 9 und das Stützband 10 erfasst. Da die Umlenktrommel 8 und das Stützband 10 mit einer Geschwindigkeit angetrieben werden, die grösser ist als die Fördergeschwindigkeit des Bandförderers 5, werden die erfassten Druckprodukte 1 beschleunigt und vereinzelt, d. h. unter dem nachfolgenden Druckprodukt 1 hervorgezogen. Beim Durchlaufen durch den Förderspalt 11 werden die Druckprodukte 1 zudem gewendet. Bei den den Förderspalt 11 verlassenden Druckprodukten bildet noch immer die Kante 1a die vorlaufende Kante, doch befindet sich nun die im anfallenden Schuppenstrom S obenliegende Seite 1' der Druckprodukte 1 auf deren Unterseite. Nach dem Anschlagen am Anschlag 13 fallen die Druckprodukte 13 auf den Bandförderer 14 bzw. auf das schon vorher abgelegte Druckprodukt 1. Auf diesem Bandförderer 14 wird eine neue Schuppenformation S1' gebildet, bei der wohl gleich wie bei der Schuppenformation S1 jedes Druckprodukt auf dem vorangehenden Druckprodukt aufliegt, jedoch im Unterschied zum Schuppenstrom S1 die mit 1' bezeichnete Seite der Druckprodukte 1 unten liegt und die vorlaufende, oben liegende Kante 1b durch diejenige Kante gebildet wird, die im anfallenden Schuppenstrom S und auch im Teilschuppenstrom S1 die nachlaufende Kante bildete. Ueber den Bandförderer 15 wird diese neue Schuppenformation Si' der Fördereinrichtung 16 zugeführt.
Connected to the belt conveyor 6 assigned to the rear opening device 4 'is a conveyor device 21, which is also designed as a rocker and can be pivoted about its axis 21a and has a conveyor belt or a plurality of conveyor belts arranged next to one another. The conveying direction L of the conveying device 21 corresponds to the conveying direction C of the belt conveyor 6. The conveying device 21 is arranged above the conveying device 16 and ends at a certain distance in front of the mobile frame 18, as shown in FIG. 2. The mechanism for adjusting the swivel position of the conveyor device 21 as a function of the swivel position of the conveyor device 16 is not shown. The device according to FIGS. 1 and 2 now works as follows:
  • As already mentioned, the grippers 3 of the conveyor 2 are opened alternately by the opening device 4 or the opening device 4 '. The printed products released when the grippers 3, 3 'are opened are deposited on the belt conveyor 5 or 6, a scale formation S 1 or S 2 forming again on this belt conveyor 5, 6. The printed products 1 occupy the same position in these partial formations S 1 and 5 2 as in the resulting shingled stream S, that is to say that in these partial formations 8 1 , 8 2 each printed product 1 rests on the preceding printed product and the same edge 1a forms the leading edge as in the resulting shingled stream S. The shingled stream 5 1 which forms on the front belt conveyor 5 is now fed to the deflection device 7. When the printed products 1 enter the conveyor gap 11, they are captured by the deflection drum 8 or the drive belt 9 and the support belt 10. Since the deflection drum 8 and the support belt 10 are driven at a speed which is greater than the conveying speed of the belt conveyor 5, the detected print products 1 are accelerated and isolated, that is to say pulled out under the subsequent print product 1. When passing through the conveyor gap 11, the printed products 1 are also turned. In the case of the printed products leaving the conveying gap 11, the edge 1a still forms the leading edge, but the side 1 ′ of the printed products 1 located at the top in the resulting scale stream S is now on the underside thereof. After striking the stop 13, the printed products 13 fall onto the belt conveyor 14 or onto the previously stored printed product 1. A new scale formation S 1 'is formed on this belt conveyor 14, in which, as with the scale formation S 1, each printed product is probably noticeable the preceding printed product lies, however, in contrast to the shingled stream S 1, the side of the printed products 1 designated 1 ′ is at the bottom and the leading, upper edge 1b is formed by the edge that follows in the resulting shingled stream S and also in the partial shingled stream S 1 Edge formed. This new scale formation S i 'is fed to the conveyor 16 via the belt conveyor 15.

Gleichzeitig wird mittels der Fördereinrichtung 21 auch die auf dem Bandförderer 6 gebildete Teilschuppenformation S2 der Fördereinrichtung zugeleitet. Wie die Fig. 2 zeigt, wird nun die Teilformation S2 auf die durch die Fördereinrichtung 16 zugebrachte Teilformation S1' aufgelegt. Dabei erfolgt das Aufeinanderlegen der Teilformationen S1' und S2 derart, dass sie seitlich versetzt sind, d. h., dass jede Teilformation Si' und 52 mit einem Randbereich seitlich über die andere Teilformation vorsteht. Durch das Aufeinanderlegen der Teilformationen S1', S2 mit seitlicher Versetzung wird später ein Trennen dieser Teilformationen erleichtert.At the same time, the partial scale formation S 2 formed on the belt conveyor 6 is also fed to the conveyor device by means of the conveyor device 21. As FIG. 2 shows, the sub-formation S 2 is now placed on the sub-formation S 1 'brought in by the conveying device 16. The partial formations S 1 'and S 2 are placed on top of one another in such a way that they are laterally offset, that is to say that each partial formation S i ' and 5 2 projects laterally with an edge region beyond the other partial formation. By stacking the partial formations S 1 ', S 2 with a lateral offset, it is later made easier to separate these partial formations.

Die durch das Zusammenführen der Teilformationen S1', S2 auf der Fördereinrichtung 16 gebildete Formation S3, welche somit sozusagen aus zwei Schichten besteht, wird nun unterschlächtig dem Wickelkern 20 zugeführt und zusammen mit dem sich unterhalb dieser Formation S3 befindenden Wickelband aufgewickelt, wie das in der schon mehrfach erwähnten DE-OS-31 23 888 näher erläutert ist. Da, wie bereits erwähnt, die anfallende Schuppenformation S in zwei Teilformationen S1 und S2 aufgeteilt wird, die nach einer Lageänderung der Druckprodukte 1 in der Teilformation S1 aufeinandergelegt und zusammen aufgewickelt werden, ist für die Verarbeitung aller anfallenden Druckprodukte 1 nur eine Zuführgeschwindigkeit der Schuppenformation S3 bzw. eine Umfangsgeschwindigkeit des Wickels 22 erforderlich, die halb so gross ist wie die Fördergeschwindigkeit des Transporteurs 2. Dank der geringeren Umfangsgeschwindigkeit des Wickels 22 ist die Beanspruchung des Wickels 22 und auch der Aufwickel- und Speichereinheit 17 geringer als dies beim direkten Aufwickeln der anfallenden Schuppenformation S der Fall wäre. Da im weiteren bei beiden übereinanderliegenden Teilformationen S1' und S2 die vorlaufende Kante 1b (Formation Si') bzw. 1a (Formation S2 auf der dem Wickelkern 20 bzw. dem Wickel 22 zugekehrten Seite der entsprechenden Teilformation Si', S2 liegt, ist es nun möglich, dass sich jede Wicklungslage, welche durch die doppelte Schuppenformation S3 gebildet wird, während des Aufwickelvorganges gegenüber der nächstäusseren Wicklungslage ohne gegenseitige Blockierung im Drehsinn H des Aufwickelns drehen kann. Diese Freiheit einer Relativdrehung zwischen benachbarten Wicklungslagen ermöglicht es, den Wickel 22 von innen her in der Art einer Uhrfeder aufzuziehen und so den Wickel 22 zu verfestigen. Aus diesem Grund ist die lagerichtige Zuführung der Druckprodukte 1 von Bedeutung.The formation S 3 formed by the merging of the partial formations S 1 ', S 2 on the conveying device 16, which thus consists of two layers, so to speak, is now fed to the winding core 20 undershot and wound up together with the winding tape located below this formation S 3 , as explained in more detail in DE-OS-31 23 888, which has already been mentioned several times. Since, as already mentioned, the resulting scale formation S is divided into two partial formations S 1 and S 2 , which after a change in the position of the printed products 1 in the partial formation S 1 are placed on top of one another and wound up together, there is only one feed speed for the processing of all resulting printed products 1 the scale formation S 3 or a circumferential speed of the winding 22 is required, which is half as large as the conveying speed of the transporter 2. Thanks to the lower circumferential speed of the winding 22, the stress on the winding 22 and also on the winding and storage unit 17 is lower than in the case of direct winding of the resulting scale formation S would be the case. As in the other at two superposed part formations S 1 'and S 2, the leading edge 1b (Formation S i') and 1a (Formation S 2 on the winding core 20 and the winding 22 facing side of the corresponding partial formation S i ', S 2 , it is now possible that each winding layer, which is formed by the double scale formation S 3 , can rotate during the winding process relative to the next outer winding layer without mutual blocking in the direction of winding H. This freedom of a relative rotation between adjacent winding layers makes it possible to wind up the winding 22 from the inside in the manner of a clock spring and thus to consolidate the winding 22. For this reason, the correct feeding of the printed products 1 is important.

Das Aendern der Lage der Druckprodukte 1 der ersten Teilformation S1 dient jedoch noch einem andern Zweck. Beim Abwickeln der Schuppenformation S3 kann wegen der besondern, früher beschriebenen Lage der Druckprodukte 1 innerhalb der Teilformation S,' mit einfachen Mitteln, d. h. durch blosses Wenden dieser Teilformation S1', eine Schuppenformation erhalten werden, in der die Druckprodukte 1 dieselbe Lage einnehmen wie in der ursprünglichen Schuppenformation S. Ein solches Wenden der Teilformation S; kann nach dem Separieren von der andern Teilformation S2 z. B. mittels einer Umlenkvorrichtung erreicht werden, die von der Teilformation S1' durchlaufen wird und die aufbaumässig der Umlenkvorrichtung 7 entspricht mit der Ausnahme, dass beim Durchlaufen durch diese Umlenkvorrichtung kein Vereinzeln der Druckprodukte mehr stattfindet. Die andere Teilformation S2 kann nach dem Separieren von der Teilformation S1' beispielsweise zu einem Zwischenwickel aufgewickelt werden, wie das beispielsweise in der DE-OS-3244663 veröffentlicht am 21.7.83 näher beschrieben ist. In der von diesem Zwischenwickel wieder abgewickelten Formation nehmen dann die Druckprodukte 1 ebenfalls dieselbe Lage ein wie im ursprünglichen Schuppenstrom S.However, changing the position of the printed products 1 of the first sub-formation S 1 serves another purpose. When unrolling the scale formation S 3 , a scale formation in which the printed products 1 assume the same position can be obtained with simple means, ie simply by turning this partial formation S 1 ', because of the particular position of the printed products 1 described earlier as in the original scale formation S. Such a turning of the sub formation S; can be separated from the other sub-formation S 2 z. B. can be achieved by means of a deflection device which is traversed by the sub-formation S 1 'and which corresponds to the construction of the deflection device 7, with the exception that when passing through this deflection device, the printed products are no longer separated. The other sub-formation S 2 can, after separation from the sub-formation S 1 ', be wound up, for example, to form an intermediate roll, as described in more detail, for example, in DE-OS-3244663 published on July 21, 1983. In the formation unwound from this intermediate roll, the printed products 1 then also assume the same position as in the original shingled stream S.

Die in Fig. 3 gezeigte Einrichtung entspricht mit der Ausnahme der Ausbildung der Umlenkvorrichtung 7 der in Fig. 1 gezeigten Einrichtung. Sich entsprechende Teile sind demnach in den Fig. 1 und 3 mit denselben Bezugszeichen bezeichnet. Bei der Ausführungsform gemäss Fig. 3 erfolgt das Beschleunigen, d. h. Vereinzeln der Druckprodukte nicht im Zuge des Durchlaufens durch den Förderspalt 11 sondern vor ihrem Eintritt in diesen Förderspalt 11. Im Anschluss an den Bandförderer 5 ist eine Beschleunigungseinrichtung 23 vorgesehen, welche aus wenigstens einem Paar von Beschleunigungsrollen 24 und 25 besteht, welche auf nicht näher dargestellte Weise mit einer Geschwindigkeit angetrieben werden, die grösser ist als die Fördergeschwindigkeit des Bandförderers 5. Das jeweils durch die Beschleunigungsrollen 24, 25 erfasste Druckprodukt wird auf eine höhere Geschwindigkeit gebracht und dabei unter dem nachfolgenden Druckprodukt hervorgezogen und gegen den Förderspalt 11 gefördert. Die Umlenktrommel 8 ist mit von ihrem Umfang abstehenden Anschlagelementen 26 versehen, gegen die die Druckprodukte 1 gefördert werden. Der in Umfangsrichtung der Umlenktrommel 8 gemessene Abstand zwischen aufeinanderfolgenden Anschlagelementen ist etwas grösser als der Abstand zwischen den Kanten 1a und 1b der Druckprodukte 1. Durch das Fördern der Druckprodukte bis zum Anschlagen an den Anschlagelementen 26 wird die Lage der Vorderekante 1a der Druckprodukte 1 genau festgelegt.The device shown in FIG. 3 corresponds to the device shown in FIG. 1 with the exception of the design of the deflection device 7. Corresponding parts are accordingly designated by the same reference numerals in FIGS. 1 and 3. In the embodiment according to FIG. 3, the acceleration takes place, i. H. Separation of the printed products not in the course of passing through the conveyor gap 11 but before they enter this conveyor gap 11. Following the belt conveyor 5, an acceleration device 23 is provided, which consists of at least one pair of acceleration rollers 24 and 25, which are not shown in detail Be driven at a speed that is greater than the conveying speed of the belt conveyor 5. The printed product detected by the acceleration rollers 24, 25 is brought to a higher speed and thereby pulled out from under the subsequent printed product and conveyed against the conveying gap 11. The deflection drum 8 is provided with stop elements 26 projecting from its circumference, against which the printed products 1 are conveyed. The distance between successive stop elements measured in the circumferential direction of the deflection drum 8 is somewhat larger than the distance between the edges 1a and 1b of the printed products 1. The position of the front edge 1a of the printed products 1 is precisely defined by conveying the printed products until they stop against the stop elements 26 .

Das bedeutet, dass sich in der auf dem Bandförderer 15 gebildeten Schuppenformation S1' ein regelmässiger Schuppenabstand a einstellt. Die Anschlagorgane 26 dienen im weitern noch dazu, ein Kollidieren des den Förderspalt 11 verlassenden Druckproduktes mit dem unmittelbar vorangehenden Druckprodukt 1 zu vermeiden, indem jedes Anschlagelement 26 mit seiner vorlaufenden Fläche 26a das vorangehende Druckprodukt 1, das im Begriffe ist, nach dem Anschlagen am Anschlag 13 sich auf den Bandförderer 14 abzulegen, nach unten und aus der Bewegungsbahn des die Umlenkrichtung 7 verlassenden Druckproduktes zu bewegen.This means that a regular scale spacing a is established in the scale formation S 1 'formed on the belt conveyor 15. The stop members 26 furthermore serve to prevent the printed product leaving the conveying gap 11 from colliding with the immediately preceding printed product 1, in that each stop element 26 with its leading surface 26a is the previous printed product 1, which is in the process of being struck at the stop 13 to lay down on the belt conveyor 14, down and out of the path of the direction of deflection 7 ver moving print product.

Bei der in Fig. 4 gezeigten Ausführungsform, sind nun im Gegensatz zur Ausführungsform gemäss den Fig. 1 und 2 zwei Umlenkvorrichtungen 7, 7' vorhanden, die in Förderrichtung A des Transporteurs 2 hintereinander angeordnet sind und sowohl aufbau- wie funktionsmässig der Umlenkeinrichtung 7 gemäss Fig. 1 entsprechen. Zwischen dem Bandförderer 5 und dem Bandförderer 6 ist ein weiterer Bandförderer 5' angeordnet, der zur zweiten Umlenkvorrichtung 7' führt. Oberhalb dieses zweiten Bandförderers 5' ist eine weitere Oeffnungseinrichtung 4a vorgesehen. Der unterhalb den Umlenkvorrichtungen 7 und 7' angeordnete Bandförderer 14 verbindet die beiden Umlenkvorrichtungen 7, 7' und ist mit abstehenden und mitumlaufenden Anschlagorganen 27 versehen. Diese Anschlagorgane 27 treten an die Stelle des ortsfesten Anschlages 13 und dienen somit dazu, einerseits als Anschlag für die den Förderspalt 11 bzw. 11' verlassenden Druckprodukte 1 zu bilden und im weiteren diese Druckprodukte mitzunehmen. Der Abstand zwischen aufeinanderfolgenden Anschlagorganen 27 und die Fördergeschwindigkeit des Bandförderers 14 sind so auf die Bewegungsgeschwindigkeit der aus dem Förderspalt 11, 11' austretenden Druckprodukte 1 abgestimmt, dass im Bereich der vorderen Umlenkvorrichtung 7 nur jedes zweite Anschlagorgan 27 mit einem Druckprodukt 1 zur Zusammenwirkung kommt, während die übrigen Anschlagorgane dazu bestimmt sind, als Anschlag und Mitnehmer für die die Umlenkvorrichtung 7' verlassenden Druckprodukte zu dienen. Um nun zu ermöglichen die letztgenannten Druckprodukte zwischen die bereits schuppenartig auf den Bandförderer 14 aufliegenden Druckprodukte 1 einzubringen, ist vor der Umlenkvorrichtung 7' ein nur rein schematisch dargestelltes Abhebeorgan 28 vorhanden, das durch Abheben jedes Druckproduktes 1 vom vorangehenden Druckprodukt eine Oeffnung 29 zu bilden bestimmt ist, in die die aus dem Förderspalt 11' austretenden Druckprodukte eingeschoben werden. Die Oeffnungseinrichtungen 4 und 4a, welche zum Herauslösen derjenigen Druckprodukte 1 aus der anfallenden Schuppenformation S dienen, welche der Teilformation S1 bzw. Si' dienen, werden derart gesteuert, dass durch die erste und vorderste Oeffnungseinrichtung 4 nur jeder vierte Greifer 3 geöffnet wird. Auch die nächste Oeffnungseinrichtung 4a öffnet ebenfalls nur jeden vierten Greifer, jedoch bezüglich der vordersten Oeffnungseinrichtung 4 um zwei Greifer versetzt. Die hinterste Oeffnungseinrichtung 4' veranlasst noch eine Oeffnung der vorgängig nicht ausgelösten Greifer 3".In the embodiment shown in FIG. 4, in contrast to the embodiment according to FIGS. 1 and 2, there are now two deflection devices 7, 7 'which are arranged one behind the other in the conveying direction A of the conveyor 2 and which are both structurally and functionally identical to the deflection device 7 Fig. 1 correspond. Another belt conveyor 5 'is arranged between the belt conveyor 5 and the belt conveyor 6 and leads to the second deflection device 7'. A further opening device 4a is provided above this second belt conveyor 5 '. The belt conveyor 14 arranged below the deflection devices 7 and 7 'connects the two deflection devices 7, 7' and is provided with projecting and revolving stop members 27. These stop members 27 take the place of the fixed stop 13 and thus serve on the one hand to form a stop for the printed products 1 leaving the conveying gap 11 or 11 'and to take these printed products with them further. The distance between successive stop members 27 and the conveying speed of the belt conveyor 14 are so matched to the speed of movement of the printed products 1 emerging from the conveying gap 11, 11 'that in the area of the front deflection device 7 only every second stop member 27 interacts with a printed product 1, while the remaining stop members are intended to serve as a stop and driver for the printed products leaving the deflection device 7 '. In order to enable the last-mentioned printed products to be introduced between the printed products 1 already lying in scales on the belt conveyor 14, a lifting element 28, which is only shown schematically, is present in front of the deflecting device 7 'and determines the formation of an opening 29 by lifting each printed product 1 from the previous printed product into which the printed products emerging from the conveyor gap 11 'are inserted. The opening devices 4 and 4a, which serve to release those printed products 1 from the resulting scale formation S, which serve the partial formation S 1 and S i ', are controlled in such a way that only every fourth gripper 3 is opened by the first and foremost opening device 4 . The next opening device 4a also only opens every fourth gripper, but offset by two grippers with respect to the foremost opening device 4. The rearmost opening device 4 'also causes the grippers 3 "which have not been triggered previously to open.

Durch das beschriebene Auslösen der Greifer 3 werden nun aus den Druckprodukten 1, die zur ersten Teilformation S, bzw. S1' gehören, zwei Zweigströme S1a und S1b gebildet. Jeder dieser Teilströme S1a, S1b. in welchen die Druckprodukte 1 nach wie vor dieselbe Lage haben wie im ursprünglich anfallenden Schuppenstrom S, wird nun durch die zugeordnete Umlenkvorrichtung 7 bzw. 7' geführt, in welcher auf die anhand der Fig. 1 und 2 beschriebene Weise jedes Druckprodukt durch Beschleunigung vereinzelt wird. Nach dem Verlassen der Umlenkvorrichtung 7 bzw. 7' werden die Druckprodukte gegen ein Anschlagorgan des Bandförderers 14 gefördert und dann auf diesem bzw. auf einem vorangehenden Druckprodukt 1 abgelegt. Die aus dem Teilstrom S1a nach der Lageveränderung der Druckprodukte 1 gebildete Zweigformation ist mit S1a bezeichnet.By triggering the grippers 3 as described, two branch streams S 1a and S 1b are now formed from the printed products 1 which belong to the first sub-formation S, or S 1 '. Each of these substreams S 1a , S 1b . in which the printed products 1 are still in the same position as in the shingled stream S originally obtained, is now passed through the associated deflection device 7 or 7 ', in which each printed product is separated by acceleration in the manner described with reference to FIGS. 1 and 2 . After leaving the deflection device 7 or 7 ', the printed products are conveyed against a stop member of the belt conveyor 14 and then placed on this or on a preceding printed product 1. The branch formation formed from the partial stream S 1a after the change in position of the printed products 1 is designated S 1a .

Auf dem als Sammelförderer dienenden Bandförderer 14 werden die beiden Zweigströme S1a' und 1b' wieder zu einem einzigen Schuppenstrom S1' vereint, der der Teilformation S1' gemäss den Fig. 1-3 entspricht. Diese Teilformation Si' wird auf die beschriebene Weise mit der andern Teilformation S2 zusammengeführt und aufgewickelt.On the belt conveyor 14 serving as a collecting conveyor, the two branch streams S 1a 'and 1b ' are combined again into a single scale stream S 1 ', which corresponds to the sub-formation S 1 ' according to FIGS. 1-3. This sub-formation S i 'is merged and wound up with the other sub-formation S 2 in the manner described.

Dadurch, dass die Lageänderung der zur unten liegenden Teilformation S1' gehörenden Druckprodukte in zwei Stationen I und II erfolgt, kann diese Lageänderung mit einer Geschwindigkeit erfolgen, die kleiner ist, d. h. nur halb so gross wie bei den Ausführungsformen gemäss den Fig. 1-3. Somit können die Druckprodukte 1 auch bei einer hohen Zuführgeschwindigkeit der Schuppenformation S mit einer Geschwindigkeit durch die Umlenkvorrichtungen 7, 7' geführt werden, welche ein einwandfreies und produkteschonendes Aendern der Lage der Druckprodukte 1 ermöglicht.Due to the fact that the change in position of the printed products belonging to the sub-formation S 1 'located below takes place in two stations I and II, this change in position can take place at a speed which is smaller, ie only half as large as in the embodiments according to FIGS. 3rd The printed products 1 can thus be guided through the deflection devices 7, 7 'even at a high feed rate of the scale formation S, which enables the position of the printed products 1 to be changed in a correct and product-friendly manner.

Es versteht sich, dass die beschriebenen Einrichtungen in verschiedenen Teilen anders als wie gezeigt ausgebildet werden können. Von den verschiedenen möglichen Varianten werden im Folgenden nur einige wenige aufgeführt.It is understood that the described devices can be designed in different parts differently than shown. Only a few of the different possible variants are listed below.

Anstelle der Umlenkeinrichtungen 7, 7', welche der Umlenkvorrichtung 7 gemäss Fig. 1 entspricht, können auch Umlenkvorrichtungen 7, 7' verwendet werden, die in ihrem Aufbau und der Wirkungsweise der Umlenkvorrichtung 7 gemäss Fig. 3 entsprechen.Instead of the deflection devices 7, 7 ', which corresponds to the deflection device 7 according to FIG. 1, deflection devices 7, 7' can also be used which correspond in their construction and the mode of operation of the deflection device 7 according to FIG. 3.

Es ist weiter denkbar, den Wickelkern 20 statt in einem mobilen Gestell 18 zu lagern, wegnehmbar in einer ortsfesten Lagerung abzustützen.It is further conceivable for the winding core 20 to be supported removably in a fixed position instead of being stored in a mobile frame 18.

Bei allen gezeigten Ausführungsformen erfolgt das Beschleunigen bzw. Vereinzeln der Druckprodukte 1 vor oder während des Durchlaufens durch die Umlenkvorrichtungen 7, wobei der Anschlag 13 bzw. die Anschlagorgane 27 am Auslauf des Förderspaltes 11 angeordnet sind. Es ist demgegenüber auch möglich, die Druckprodukte vor dem Durchlaufen durch die Umlenkvorrichtungen 7 um eine rechtwinklig zur Produkteebene verlaufende Achse um 180° zu kehren. Dies kann z. B. dadurch geschehen, dass die Druckprodukte zwecks Vereinzelung beschleunigt und gegen einen Anschlag gefördert werden, unterhalb dem sich ein Bandförderer befindet, dessen Förderrichtung der Bewegungsrichtung der Druckprodukte auf den Anschlag zu entgegengesetzt ist. Eine solche Lösung hat gegenüber den gezeigten Ausführungsformen jedoch den Nachteil eines grösseren konstruktiven Aufwandes.In all the embodiments shown, the printing products 1 are accelerated or separated before or during the passage through the deflection devices 7, the stop 13 or the stop members 27 being arranged at the outlet of the conveying gap 11. In contrast, it is also possible to sweep the printed products by 180 ° before they pass through the deflection devices 7 about an axis running at right angles to the product plane. This can e.g. B. happen that the printed products are accelerated for the purpose of separation and conveyed against a stop, below which there is a belt conveyor, the conveying direction of the direction of movement of the printed products is opposite to the stop. However, such a solution has the disadvantage compared to the embodiments shown part of a larger design effort.

Claims (16)

1. A method of intermediate storage of printed products (1) arriving in imbricate formation, in which the printed products are supplied prefer- - ably in undershot manner to a winding core (20) and wound on it together with a winding belt connected thereto and under tension, characterised in that the oncoming imbricate formation (S) is divided into two partial formations (Si, S2) which are superposed and subsequently wound together, and before the two partial formations (S1 ; S2) are brought together, the position of the printed products (1) in the partial formation (S1') which is external relative to the winding core (20) is altered so that the trailing edge (1b) of the printed products (1) in the oncoming imbricate formation (S) becomes the lead-ing edge (1b) which is on the side of the partial formation (S,') facing the winding core (20).
2. A method according to claim 1, characterised in that during the process of altering the position of the printed products (1) inside one partial formation (Si) the printed products (1) from the partial formation (Si) are released and subsequently placed on one another so that each printed product (1) bears in imbricate manner on the preceding printed product (1) and the front edge (1 b) of each printed product (1) is formed by the edge (1b) which was the leading edge before being released.
3. A method according to claim 1 or 2, characterised in that during the process of altering the position of the printed products (1) inside one partial formation (Si), they are turned so that their top sides (1') lie underneath.
4. A method according to any of claims 1-3, characterised in that at least two branch streams (S1a, S1b) are formed from the printed products belonging to the aforementioned one partial formation (Si), the position of the printed products (1) in each branch stream (S1a, S1b) is altered so that the trailing edge (1b) of the printed products (1) in the oncoming imbricate formation (S) becomes the leading edge (1b), and subsequently the printed products (1) from both branch streams (S1a, Slb) are recombined to form the aforementioned one partial formation (S,').
5. A method of intermediate storage of printed products (1) arriving in imbricate formation, comprising a rotatably mounted, drivable winding core (20) for winding the printed products (1) on it, a conveyor device (16) supplying the printed products (1) in imbricate formation to the winding core (20), preferably in undershot manner, and a winding belt connected to the winding core and adapted to be tensioned, the belt being wound between the layers when the printed products (1) are wound, characterised by a device (4, 4', 21) disposed in front of the conveying device (16) for dividing the oncoming imbricate formation (S) into two partial formations (Sl, S2) and subsequently placing the partial formations (S1, S2) on top of one another, and a position-altering device (7, 13, 14) which alters the position of the printed products (1) in the external partial formation (S1,) relative to the winding core (20) before the partial formations (S1', S2) are brought together so that the trailing edge (1 b) in the oncoming imbricate formation (S) becomes the leading edge (1 b) on the side of the partial formation (S1') facing the winding core (20).
6. A device according to claim 5, characterised in that the position-altering device comprises at least means (8, 10, 23) for releasing the printed products (1) from their formation (S1) and subsequently superposing the printed products (1) so that each printed product (1) bears on the preceding printed product (1) and the leading edge (1b) of each printed product (1) is formed by the trailing edge (1 b) in the original imbricate formation (S).
7. A device according to claim 6, characterised by at least one separating device (8, 9, 23) for moving the printed products (1) at a higher speed than each subsequent printed product (1), an abutment device (13, 27) disposed in the path along which the separated printing products (1) are conveyed and against which the leading edges (1 a) of the printed products abut, and a conveyor (14) disposed below the abutment device (13, 27), the conveying direction (G) being opposite to the direction of motion (F) of the printed products (1) brought against the abutment device (13, 27).
8. A device according to any of claims 5-7, characterised by at least one device (7) for turning the printed products (1) in one partial formation (S1) so that the top sides (1') of the printed products (1) lie downwards.
9. A device according to claim 8, characterised in that the turning device has a guide device (7) for guiding the printed products (1) around a shaft (8a) which extends transversely, preferably at right angles to the longitudinal direction of the partial formation (Si).
10. A device according to claim 9, characterised in that the guide device comprises a rotatable guide drum (8) driven around a shaft (8a) and at least one endlessly rotating driven bearing belt (10) which extends along part of the periphery of the guide drum (8) and co-operates with the guide drum (8) to form a conveying gap (11) through which the printed products (1) are sent, the conveying direction (F) of the printed products (1) leaving the conveying gap (11) being opposite to the conveying direction (B) of the printed products (1) entering the gap (11).
11. A device according to claims 7 and 10, characterised in that the guide drum (8) and/or the bearing belt (10) are driven at a speed greater than the speed of the printed products (1) arriving on the guide device (7), and the abutment device (13, 27) is disposed behind the guide device (7).
12. A device according to claims 7 and 10, characterised in that the separating device (23), which preferably comprises at least one pair of rollers (24, 25) receiving the printed products (1) between them, is disposed in front of the guide device (7) and the guide drum (8) has peripherally spaced abutment elements (26) for the leading edge (1a) of the printed products (1) and the abutment device (13, 27) is connected downstream of the guide device (7).
13. A device according to any of claims 5 to 12, characterised in that the position-altering device comprises at least two stations (I, II) disposed one behind the other and each loadable with a part (S1a, S1b) of the printed products (1) belonging to the aforementioned one partial formation (S,), each station altering the position of the printed products (1) in the associated branch formation (S1a, S1b) in such a manner that the trailing edge (1b) in the original imbricate formation (S) becomes the leading edge (1 b) in the partial formation (S1,) which is combined with the other formation (S2).
14. A device according to claims 9 and 13, characterised in that each station (I, II) has a guide device (7, 7') and means (8, 10, 23) for releasing the printed products (1) from their branch formation (S1a, S1b) and a collecting conveyor (14) is disposed underneath and connects the two guide devices (7, 7') and its conveying direction (G) is opposite to the direction of motion (F) of the printed products (1) leaving the guide devices (7, 7').
15. A device according to claim 14, characterised in that the collecting conveyor (14) has spaced-apart abutment means (27) against which the leadind edges (1a) of the printed products (1) abut after leaving the guide devices (7, 7').
16. A device according to claim 14 or 15, characterised by means (28) for forming an opening (29) between the imbricated superposed printed products (1) in the first branch stream (S1a, S1,) on the collecting conveyor (14), so as to insert a printed product (1) from the second branch stream (S1b) between each respective pair.
EP84105043A 1983-06-09 1984-05-04 Method and device for the intermediate storage of printing products arriving in a shingled stream Expired EP0128334B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84105043T ATE22057T1 (en) 1983-06-09 1984-05-04 METHOD AND DEVICE FOR TEMPORARILY STORING PRINTED PRODUCTS IN SHORT FORMATION.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3160/83A CH660579A5 (en) 1983-06-09 1983-06-09 METHOD AND DEVICE FOR THE STORAGE OF PRINTED PRODUCTS INCLUDED IN DANDEL INFORMATION.
CH3160/83 1983-06-09

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EP0128334A1 EP0128334A1 (en) 1984-12-19
EP0128334B1 true EP0128334B1 (en) 1986-09-10

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US (1) US4606173A (en)
EP (1) EP0128334B1 (en)
JP (1) JPH0735216B2 (en)
AT (1) ATE22057T1 (en)
CA (1) CA1228569A (en)
CH (1) CH660579A5 (en)
DE (2) DE3460672D1 (en)

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EP0128334A1 (en) 1984-12-19
DE3460672D1 (en) 1986-10-16
CA1228569A (en) 1987-10-27
ATE22057T1 (en) 1986-09-15
US4606173A (en) 1986-08-19
JPH0735216B2 (en) 1995-04-19
CH660579A5 (en) 1987-05-15
DE3417053A1 (en) 1984-12-13
JPS606554A (en) 1985-01-14

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