EP0403886A1 - Device for the stacking of printed products arriving in a scale formation - Google Patents

Device for the stacking of printed products arriving in a scale formation Download PDF

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Publication number
EP0403886A1
EP0403886A1 EP90110770A EP90110770A EP0403886A1 EP 0403886 A1 EP0403886 A1 EP 0403886A1 EP 90110770 A EP90110770 A EP 90110770A EP 90110770 A EP90110770 A EP 90110770A EP 0403886 A1 EP0403886 A1 EP 0403886A1
Authority
EP
European Patent Office
Prior art keywords
printed products
suction cup
cylinder
piston rod
stacking
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
EP90110770A
Other languages
German (de)
French (fr)
Other versions
EP0403886B1 (en
Inventor
Werner Honegger
Jakob Wetter
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
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Filing date
Publication date
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Publication of EP0403886A1 publication Critical patent/EP0403886A1/en
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Publication of EP0403886B1 publication Critical patent/EP0403886B1/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H33/00—Forming counted batches in delivery pile or stream of articles
    • B65H33/12—Forming counted batches in delivery pile or stream of articles by creating gaps in the 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
    • B65H29/001—Adaptations of counting devices
    • 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
    • B65H29/26—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles
    • B65H29/36—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles from tapes, bands, or rollers rolled from under the 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/64—Article switches or diverters directing the components of composite articles into separate 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H33/00—Forming counted batches in delivery pile or stream of 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4212—Forming a pile of articles substantially horizontal
    • 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
    • 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
    • Y10S414/00—Material or article handling
    • Y10S414/126—Handlers with spring devices

Definitions

  • the present invention relates to a device according to the preamble of patent claim 1.
  • CH-PS 637 091 (largely identical in content to EP-PS 0 013 920 and US-PS 4 333 559) specifies how and why a shingled stream is generated in which the printed products lie congruently in pairs. The most important reason for forming such a shingled stream is to be seen in the fact that, particularly with thinner printed products, the speed of the conveying device connected to the printing press and leading away from the printed products can be reduced to about half with the same throughput per unit of time.
  • the double occupancy of each “place” in the shingled stream means that a stack or formed bundle always contains only an even number of printed products.
  • a ribbon conveyor 11 can be seen which, in the direction of the arrow 12, brings printed products 13 in a scaled formation, in which a corner of the printed products 13 runs ahead.
  • Another ribbon conveyor 14 connects to the ribbon conveyor 11, both has lower ribbons 15 (FIG. 2) and upper ribbons 16, between which the printed products 13 are clamped in congruent pairs and are fed to a stacking shaft 17 which can be loaded from above.
  • the stacking shaft 17 is laterally delimited by a stop plate 18 and by stop rails 19, both of which are horizontally adjustable and lockable, in order to adapt the clear mass of the stacking shaft 17 to the format of the printed products.
  • the printed products 13 supplied in pairs to the stacking chute either fall onto a stacking table (not shown) forming the bottom of the stacking chute, or — for example in the time when a stack has to be removed from the stacking table is - on a carrying fork 20 (Fig. 1), the tines of which are formed by piston rods 21 passing through the stop rails 19 from piston-cylinder units 22, which in turn are fastened to a common carrier 23 which can be moved up and down along the stop rails 19.
  • a holding device 24 is provided adjacent to the outlet of the ribbon conveyor 14.
  • the holding device 24 has a pneumatic cylinder 25, the tubular piston rod 26 of which is led out of the cylinder 25 at both ends.
  • the piston rod 26 carries a bellows-shaped suction cup 27, to which negative pressure is supplied through the piston rod 26 by a suction pump 28 mounted at the upper end of the piston rod 26.
  • the suction pump 28 is operated with compressed air.
  • the upper end of the cylinder 25 is on a bracket 29 is attached, which in turn is pivoted about a pin 30 in the vertical plane on a frame part 31 of the device.
  • a boom 32 extends from the frame part 31, on which one end of a tension spring 33 is suspended.
  • the other end of the tension spring 33 is suspended from a tab 34 fastened to the upper end of the piston rod 26.
  • the dash-dotted line 35 indicates the direction of the tension spring 33 in the position of the holding device 24 shown in solid lines in FIG. 2.
  • An electromagnetic five / two-way valve 37 is also mounted on the arm 32 and can be actuated via an electrical line 38.
  • the valve 37 does not pass on the compressed air present in the supply line 39.
  • the valve 37 connects the supply line 39 to the lines 40 and 41, with the result that on the one hand the piston rod 26 extends downward with the suction cup 27 and on the other hand the Suction pump 28 is activated.
  • the suction cup 27 sucks on the upper printed product 13 of the pair leaving the ribbon conveyor 14.
  • the ribbon conveyor 14 is still effective and the upper printed product 13 gripped by the suction cup 27 is pushed further and thus brings - together with the tension spring 33 - the cylinder 25 into the position shown in broken lines in FIG. 2, whereby the upper printed product 13 from the one below it is lifted off.
  • a separating finger 42 (only indicated in FIG. 2) is pushed forward, which maintains the separation of the two printed products 13 until the lower of these printed products has fallen onto the already existing stack S and the tines of the carrying fork 20 have been extended and are ready to receive the one 13 previously found in a pair of printed matter.
  • a control device 45 is also shown very schematically in FIG. 1. This has a periodically interrupted by the sawtooth-shaped lateral edge of the shingled stream passing through the end of the ribbon conveyor 11
  • Light barrier 46 which is connected via a line 47 to a presettable and resettable counter 48.
  • This counter 48 is preset or reset via a line 49 by a programmable control unit 50 and supplies the counter value reached to it via a further line 51.
  • the control unit 50 is connected via a line 52 to an input unit 53 which can be used to enter how many stacks or packets and how many printed products are to be formed.
  • the control unit 50 then controls the valve 37 via the feed line 38 already mentioned, and the cylinder 43 and the cylinders 22 via a further line 54 and further valves, not shown.
  • any stack with an even or an odd number of printed products can be formed from a shingled stream with "double occupancy". It should be noted that the proposed device is not tied to shingled streams in which a corner of the printed products precedes, but can also be used with conventional shingled streams in which a side edge of the printed products is leading.
  • the holding device 24 essentially consists of the suction cup 27 which can be pivoted with the pneumatic cylinder 25, it is conceivable to provide an endless, rotating and controllably activatable suction belt instead of the suction cup 27 with a corresponding course.
  • a purely mechanical holding device can also be provided, for example in the manner of a separating finger in the form of a sword. It is only important that the upper printed product of a pair is temporarily prevented from falling into the stacking shaft 17 together, ie simultaneously with the lower printed product.

Abstract

Printed products (13) are fed by means of a conveyor belt (11, 14) to a stacking shaft (17), which can be charged from above, in a scale formation of the type in which the printed products (13) lie flush one upon the other in pairs. In order to be able to form a stack containing an odd number of printed products, a retaining device (24) is provided adjacent to the outlet from the conveyor belt (11, 14) and, when activated, temporarily lifts the upper printed product (13) from the printed product lying beneath. …<IMAGE>…

Description

Die vorliegende Erfindung betrifft eine Einrichtung nach dem Oberbegriff des Patentanspruches 1.The present invention relates to a device according to the preamble of patent claim 1.

In der CH-PS 637 091 (weitgehend inhaltsgleich mit der EP-PS 0 013 920 und der US-PS 4 333 559) ist angegeben, wie und weshalb ein Schuppenstrom erzeugt wird, in dem die Druckereierzeugnisse paarweise deckungsgleich aufeinander­liegen. Der wohl wichtigste Grund, einen solchen Schuppen­strom zu bilden, ist darin zu erblicken, dass, namentlich bei dünneren Druckereierzeugnissen, die Geschwindigkeit der an die Druckerpresse anschliessenden und die Drucke­reierzeugnisse wegführenden Fördereinrichtung bei gleichem Durchsatz pro Zeiteinheit auf etwa die Hälfte reduziert werden kann.CH-PS 637 091 (largely identical in content to EP-PS 0 013 920 and US-PS 4 333 559) specifies how and why a shingled stream is generated in which the printed products lie congruently in pairs. The most important reason for forming such a shingled stream is to be seen in the fact that, particularly with thinner printed products, the speed of the conveying device connected to the printing press and leading away from the printed products can be reduced to about half with the same throughput per unit of time.

Sollen dann aus einem solchen Schuppenstrom Stapel oder Pakete gebildet werden, dann bringt es die Doppelbelegung jedes "Platzes" im Schuppenstrom mit sich, dass ein gebil­deter Stapel oder gebildetes Paket stets nur eine gerade Anzahl von Druckereierzeugnissen enthält.If stacks or packets are then to be formed from such a shingled stream, the double occupancy of each “place” in the shingled stream means that a stack or formed bundle always contains only an even number of printed products.

Ein einziges überzähliges Druckereierzeugnis in einem Sta­pel, der an sich eine ungerade Anzahl Druckereierzeugnisse enthalten sollte, wäre zwar tolerierbar. Bedenkt man aber eine gesamte Auflage von Druckereierzeugnissen (in der Re­gel weit über 100'000), dann addieren sich solche überzäh­ligen Erzeugnisse je Stapel oder Paket zu einer ansehnli­ chen Menge.A single surplus printed product in a stack, which should contain an odd number of printed products per se, would be tolerable. However, if you consider an entire edition of printed products (usually well over 100,000), then such excess products add up to a considerable amount per stack or package amount.

Hier setzt die Erfindung ein, deren Aufgabe es ist, eine Einrichtung der eingangs genannten Art derart auszubilden, dass es auch mit einem "doppel belegten" Schuppenstrom ge­lingt, Stapel mit einer ungeraden Anzahl Druckereierzeug­nisse herzustellen.This is where the invention comes in, the task of which is to design a device of the type mentioned at the beginning in such a way that even with a "double-occupied" stream of shingles it is possible to produce stacks with an odd number of printed products.

Diese Aufgabe löst die vorgeschlagene Einrichtung dadurch, dass sie die im Kennzeichen des Patentanspruches 1 um­schriebenen Merkmale aufweist.This object is achieved by the proposed device in that it has the features described in the characterizing part of patent claim 1.

Merkmale bevorzugter Ausführungsformen sind in den abhän­gigen Ansprüchen umschrieben.Features of preferred embodiments are described in the dependent claims.

Die Erfindung ist nachstehend anhand eines in der Zeich­nung dargestellten Ausführungsbeispieles näher beschrie­ben. Es zeigt:

  • Fig. 1 eine schematische Draufsicht auf eine Stapelein­richtung; und
  • Fig. 2 in grösserem Massstab eine vereinfachte Ansicht der Einrichtung der Fig. 1, etwa aus der Richtung des Pfeiles II der Fig. 1.
The invention is described below with reference to an embodiment shown in the drawing. It shows:
  • Figure 1 is a schematic plan view of a stacking device. and
  • FIG. 2 on a larger scale a simplified view of the device of FIG. 1, approximately from the direction of arrow II of FIG. 1.

Bei der in Fig. 1 und 2 dargestellten Einrichtung 10 er­kennt man einen Bändchenförderer 11, der in Richtung des Pfeiles 12 Druckereierzeugnisse 13 in einer geschuppten Formation, in der eine Ecke der Druckereierzeugnisse 13 vorausläuft, heranführt. An den Bändchenförderer 11 schliesst ein weiterer Bändchenförderer 14 an, der sowohl untere Bändchen 15 (Fig. 2) als auch obere Bändchen 16 aufweist, zwischen denen die Druckereierzeugnisse 13 paarweise deckungsgleich aufeinanderliegend eingeklemmt sind und einem von oben beschickbaren Stapelschacht 17 zugeführt werden.In the device 10 shown in FIGS. 1 and 2, a ribbon conveyor 11 can be seen which, in the direction of the arrow 12, brings printed products 13 in a scaled formation, in which a corner of the printed products 13 runs ahead. Another ribbon conveyor 14 connects to the ribbon conveyor 11, both has lower ribbons 15 (FIG. 2) and upper ribbons 16, between which the printed products 13 are clamped in congruent pairs and are fed to a stacking shaft 17 which can be loaded from above.

Der Stapelschacht 17 ist seitlich durch eine Anschlag­platte 18 und durch Anschlagschienen 19 begrenzt, die beide horizontal verstellbar und feststellbar sind, um die lichten Masse des Stapelschachtes 17 dem Format der an­fallenden Druckereierzeugnisse anzupassen.The stacking shaft 17 is laterally delimited by a stop plate 18 and by stop rails 19, both of which are horizontally adjustable and lockable, in order to adapt the clear mass of the stacking shaft 17 to the format of the printed products.

Bei der vorliegenden Einrichtung fallen die paarweise dem Stapelschacht zugeführten Druckereierzeugnisse 13, wie der Fig. 2 zu entnehmen ist, entweder auf einen den Boden des Stapelschachtes bildenden Stapeltisch (nicht dargestellt), oder - beispielsweise in der Zeit, da ein Stapel vom Sta­peltisch zu entfernen ist - auf eine Traggabel 20 (Fig. 1), deren Zinken durch die Anschlagschienen 19 durch­setzende Kolbenstangen 21 von Kolben-Zylinderaggregaten 22 gebildet sind, die ihrerseits an einem gemeinsamen Träger 23 befestigt sind, der längs der Anschlagschienen 19 auf und ab verschiebbar ist. Anschliessend an den Auslauf des Bändchenförderers 14 ist eine Halteeinrichtung 24 vorge­sehen. Die Halteeinrichtung 24 besitzt einen Pneumatik­zylinder 25, dessen rohrförmige Kolbenstange 26 beiderends aus dem Zylinder 25 herausgeführt ist. Am unteren Ende trägt die Kolbenstange 26 einen balgförmigen Saugnapf 27, dem durch die Kolbenstange 26 hindurch Unterdruck von einer am oberen Ende der Kolbenstange 26 montierten Saug­pumpe 28 zugeführt wird. Die Saugpumpe 28 ist mit Druck­luft betrieben. Das obere Ende des Zylinders 25 ist an einem Bügel 29 befestigt, der seinerseits um einen Zapfen 30 in der Vertikalebene schwenkbar an einem Rahmenteil 31 der Einrichtung aufgehängt ist. Vom Rahmenteil 31 geht ein Ausleger 32 aus, an dem das eine Ende einer Zugfeder 33 eingehängt ist. Das andere Ende der Zugfeder 33 ist an einer am oberen Ende der Kolbenstange 26 befestigten La­sche 34 eingehängt. Mit der strichpunktierten Linie 35 ist die Richtung der Zugfeder 33 in der in Fig. 2 mit ausgezo­genen Linien gezeigten Stellung der Halteeinrichtung 24 angedeutet. Man sieht, dass in dieser Stellung die Rich­tung der Zugfeder 33 oberhalb des Zapfens 30 verläuft, so dass diese Feder 33 die Tendenz hat, die Halteeinrichtung 24 in der mit ausgezogenen Linien dargestellten Stellung zu halten. Sobald aber die Kolbenstange 26 nach unten aus­gefahren wird, wirkt die Zugfeder 33 in entgegengesetztem Sinne. Am Rahmenteil 31 ist auch ein Puffer 36 befestigt, der ein hartes Aufschlagen des Bügels 29 am Rahmenteil 31 bei der Rückkehr des Zylinders 25 von der verschwenkten in die unverschwenkte Stellung verhindert.In the present device, the printed products 13 supplied in pairs to the stacking chute, as can be seen in FIG. 2, either fall onto a stacking table (not shown) forming the bottom of the stacking chute, or — for example in the time when a stack has to be removed from the stacking table is - on a carrying fork 20 (Fig. 1), the tines of which are formed by piston rods 21 passing through the stop rails 19 from piston-cylinder units 22, which in turn are fastened to a common carrier 23 which can be moved up and down along the stop rails 19. A holding device 24 is provided adjacent to the outlet of the ribbon conveyor 14. The holding device 24 has a pneumatic cylinder 25, the tubular piston rod 26 of which is led out of the cylinder 25 at both ends. At the lower end, the piston rod 26 carries a bellows-shaped suction cup 27, to which negative pressure is supplied through the piston rod 26 by a suction pump 28 mounted at the upper end of the piston rod 26. The suction pump 28 is operated with compressed air. The upper end of the cylinder 25 is on a bracket 29 is attached, which in turn is pivoted about a pin 30 in the vertical plane on a frame part 31 of the device. A boom 32 extends from the frame part 31, on which one end of a tension spring 33 is suspended. The other end of the tension spring 33 is suspended from a tab 34 fastened to the upper end of the piston rod 26. The dash-dotted line 35 indicates the direction of the tension spring 33 in the position of the holding device 24 shown in solid lines in FIG. 2. It can be seen that in this position the direction of the tension spring 33 extends above the pin 30, so that this spring 33 tends to hold the holding device 24 in the position shown in solid lines. As soon as the piston rod 26 is extended downward, the tension spring 33 acts in the opposite sense. A buffer 36 is also attached to the frame part 31, which prevents the bracket 29 from hitting the frame part 31 hard when the cylinder 25 returns from the pivoted to the non-pivoted position.

Am Ausleger 32 ist auch ein elektromagnetisches Fünf/Zwei-­Wege-Ventil 37 montiert, das über eine elektrische Leitung 38 betätigbar ist. An dieses Ventil 37 führt eine an eine Druckluftkquelle (nicht dargestellt) angeschlossene Zu­führleitung 39.An electromagnetic five / two-way valve 37 is also mounted on the arm 32 and can be actuated via an electrical line 38. A supply line 39 connected to a compressed air source (not shown) leads to this valve 37.

In der unbetätigten Stellung leitet das Ventil 37 die in der Zuführleitung 39 anstehende Druckluft nicht weiter. In der einen Stellung verbindet das Ventil 37 die Zuführlei­tung 39 mit den Leitungen 40 und 41, mit dem Ergebnis, dass einerseits die Kolbenstange 26 mit dem Saugnapf 27 nach unten ausfährt und andererseits gleichzeitig die Saugpumpe 28 aktiviert wird. Dadurch saugt sich der Saugnapf 27 an dem oberen Druckereierzeugnis 13 des den Bändchenförderer 14 verlassenden Paares fest. Der Bänd­chenförderer 14 ist jedoch weiter wirksam und das vom Saugnapf 27 erfasste, obere Druckereierzeugnis 13 wird weitergeschoben und bringt damit - zusammen mit der Zug­feder 33 - den Zylinder 25 in die in Fig. 2 strichpunk­tiert dargestellte Stellung, womit das obere Druckerei­erzeugnis 13 von dem darunterliegenden abgehoben wird. In diesem Moment wird ein Trennfinger 42 (in Fig. 2 nur an­deutungsweise dargestellt) vorgeschoben, der die Trennung der beiden Druckereierzeugnisse 13 so lange aufrechter­hält, bis das untere dieser Druckereierzeugnisse auf den bereits vorhandenen Stapel S gefallen ist und die Zinken der Traggabel 20 ausgefahren sind und zur Aufnahme des ehemals oben in einem Paar Druckereierzeugnisse 13 ge­wesene Exemplar bereit sind.In the unactuated position, the valve 37 does not pass on the compressed air present in the supply line 39. In one position, the valve 37 connects the supply line 39 to the lines 40 and 41, with the result that on the one hand the piston rod 26 extends downward with the suction cup 27 and on the other hand the Suction pump 28 is activated. As a result, the suction cup 27 sucks on the upper printed product 13 of the pair leaving the ribbon conveyor 14. However, the ribbon conveyor 14 is still effective and the upper printed product 13 gripped by the suction cup 27 is pushed further and thus brings - together with the tension spring 33 - the cylinder 25 into the position shown in broken lines in FIG. 2, whereby the upper printed product 13 from the one below it is lifted off. At this moment, a separating finger 42 (only indicated in FIG. 2) is pushed forward, which maintains the separation of the two printed products 13 until the lower of these printed products has fallen onto the already existing stack S and the tines of the carrying fork 20 have been extended and are ready to receive the one 13 previously found in a pair of printed matter.

In der anderen Stellung des Ventils 37 wird eine um das untere Ende des Zylinders 25 führende Leitung 54 mit Druckluft versorgt, mit der Folge, dass die Saugpumpe 28 ausgeschaltet wird, der Saugnapf 27 das obere Druckerei­erzeugnis freigibt, die Kolbenstange 26 eingezogen und der Zylinder 25 in die Ausgangsstellung zurückgeführt wird.In the other position of the valve 37, a line 54 leading around the lower end of the cylinder 25 is supplied with compressed air, with the result that the suction pump 28 is switched off, the suction cup 27 releases the upper printed product, the piston rod 26 is drawn in and the cylinder 25 is returned to the starting position.

Aus Fig. 1 geht hervor, dass der Trennfinger 42 durch die Kolbenstange eines weiteren Pneumatikzylinders 43 gebildet ist, der an einem weiteren Rahmenteil 44 befestigt ist. In Fig. 1 ist auch sehr schematisch eine Steuereinrichtung 45 dargestellt. Diese weist eine durch den sägezahnförmigen seitlichen Rand des das Ende des Bändchenförderers 11 durchlaufenden Schuppenstromes periodisch unterbrochene Lichtschranke 46 auf, die über eine Leitung 47 an einen voreinstellbaren und rückstellbaren Zähler 48 angeschlos­sen ist. Dieser Zähler 48 wird über eine Leitung 49 durch eine programmierbare Steuereinheit 50 voreingestellt bzw. rückgestellt und liefert an diese über eine weitere Lei­tung 51 den erreichten Zählwert. Die Steuereinheit 50 ist über eine Leitung 52 mit einer Eingabeeinheit 53 verbun­den, mit welcher eingegeben werden kann, wieviele Stapel oder Pakete à wieviele Druckereierzeugnisse gebildet wer­den sollen. Die Steuereinheit 50 steuert dann über die bereits erwähnte Zuleitung 38 das Ventil 37 an, und über eine weitere Leitung 54 sowie über weitere, nicht darge­stellte Ventile, den Zylinder 43 sowie die Zylinder 22 an.1 that the separating finger 42 is formed by the piston rod of a further pneumatic cylinder 43, which is fastened to a further frame part 44. A control device 45 is also shown very schematically in FIG. 1. This has a periodically interrupted by the sawtooth-shaped lateral edge of the shingled stream passing through the end of the ribbon conveyor 11 Light barrier 46, which is connected via a line 47 to a presettable and resettable counter 48. This counter 48 is preset or reset via a line 49 by a programmable control unit 50 and supplies the counter value reached to it via a further line 51. The control unit 50 is connected via a line 52 to an input unit 53 which can be used to enter how many stacks or packets and how many printed products are to be formed. The control unit 50 then controls the valve 37 via the feed line 38 already mentioned, and the cylinder 43 and the cylinders 22 via a further line 54 and further valves, not shown.

Mit der beschriebenen Einrichtung lassen sich somit aus einem Schuppenstrom mit "Doppelbelegung" beliebig Stapel mit einer geraden oder einer ungeraden Anzahl Druckerei­erzeugnisse bilden. Dabei ist zu beachten, dass die vor­geschlagene Einrichtung nicht an Schuppenströme gebunden ist, in denen jeweils eine Ecke der Druckereierzeugnisse vorauslaufen, sondern auch bei herkömmlichen Schuppenströ­men anwendbar ist, in denen eine Seitenkante der Drucke­reierzeugnisse vorlaufend ist.With the device described, any stack with an even or an odd number of printed products can be formed from a shingled stream with "double occupancy". It should be noted that the proposed device is not tied to shingled streams in which a corner of the printed products precedes, but can also be used with conventional shingled streams in which a side edge of the printed products is leading.

Während im beschriebenen Ausführungsbeispiel die Halteein­richtung 24 im wesentlichen aus dem mit dem Pneumatikzy­linder 25 verschwenkbaren Saugnapf 27 besteht, ist es denkbar, anstelle des Saugnapfes 27 ein endloses, mitlau­fendes und gesteuert aktivierbares Saugband mit einem ent­sprechenden Verlauf vorzusehen. Bei dickeren Druckereier­zeugnissen kann auch eine rein mechanische Haltevorrich­tung vorgesehen sein, z.B. in der Art eines Trennfingers in Form eines Schwertes. Wichtig ist lediglich, dass das obere Druckereierzeugnis eines Paares vorübergehend daran gehindert wird, zusammen, d.h. gleichzeitig mit dem unte­ren Druckereierzeugnis, in den Stapelschacht 17 zu fallen.While in the described exemplary embodiment the holding device 24 essentially consists of the suction cup 27 which can be pivoted with the pneumatic cylinder 25, it is conceivable to provide an endless, rotating and controllably activatable suction belt instead of the suction cup 27 with a corresponding course. In the case of thicker printed products, a purely mechanical holding device can also be provided, for example in the manner of a separating finger in the form of a sword. It is only important that the upper printed product of a pair is temporarily prevented from falling into the stacking shaft 17 together, ie simultaneously with the lower printed product.

Claims (9)

1. Einrichtung zum Stapeln von in einem Schuppenstrom anfallenden Druckereierzeugnissen (13), in welchem die Druckereierzeugnisse paarweise deckungsgleich aufein­ander liegen, mit einem von oben beschickbaren Stapel­schacht (17), in den das Ende einer mit einer Zählein­richtung (46,47,48) versehenen Förderbahn (11,14) aus­mündet, dadurch gekennzeichnet, dass im Bereich des Endes der Förderbahn (11,14) eine durch die Zählein­richtung (46,47,48) gesteuerte Halteeinrichtung (24) vorgesehen ist, die bei Aktivierung das obere eines Paares von Druckereierzeugnissen (13) vorübergehend vom unteren Druckereierzeugnis abhebt.1. A device for stacking in a stream flow printed products (13), in which the printed products lie in pairs congruent with each other, with a top-loading stacking shaft (17), in which the end of one with a counting device (46,47,48) Conveyor path (11, 14) opens, characterized in that in the region of the end of the conveyor path (11, 14) a holding device (24) is provided which is controlled by the counting device (46, 47, 48) and which, when activated, is the upper one of a pair of Printed products (13) temporarily stands out from the lower printed product. 2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Halteeinrichtung (24) mindestens einen bei Aktivierung von oben auf eines der Paare von Drucke­reierzeugnissen (13) absenkbaren und danach anhebbaren Saugnapf (27) aufweist.2. Device according to claim 1, characterized in that the holding device (24) has at least one when activated from above on one of the pairs of printed products (13) lowerable and then liftable suction cup (27). 3. Einrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Saugnapf (27) am Ende einer Kolbenstange (26) eines Zylinder-Kolbenaggregates (25) montiert ist.3. Device according to claim 2, characterized in that the suction cup (27) is mounted at the end of a piston rod (26) of a cylinder-piston unit (25). 4. Einrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das Zylinder-Kolbenaggregat (25) in einer zur Förderrichtung der Förderbahn (11,14) parallelen Ver­tikalebene schwenkbar aufgehängt ist.4. Device according to claim 3, characterized in that the cylinder-piston unit (25) is pivotally suspended in a vertical plane parallel to the conveying direction of the conveying path (11, 14). 5. Einrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Kolbenstange (26) rohrförmig ist und sich zu beiden Seiten aus dem Zylinder des Zylinder-Kolben­aggregates (25) herauserstreckt, und an der dem Saug­napf (27) abgekehrten Ende eine durch die Kolbenstange (26) hindurch dem Saugnapf (27) Unterdruck zuführende Unterdruckquelle (28) trägt.5. Device according to claim 3, characterized in that the piston rod (26) is tubular and extends on both sides out of the cylinder of the cylinder-piston unit (25), and at the end facing away from the suction cup (27) one through the piston rod ( 26) carries vacuum source (28) which supplies vacuum to suction cup (27). 6. Einrichtung nach den Ansprüchen 4 und 5, dadurch ge­kennzeichnet, dass an dem dem Saugnapf (27) abgekehr­ten Ende der Kolbenstange (26) das eine Ende einer Zugfeder (33) angreift, deren Zugkraft bei angehobenem Saugnapf (27) das Zylinder-Kolbenaggregat (25) in die unverschwenkte Lage, und bei abgesenktem Saugnapf (27) in die verschwenkte Lage zieht.6. Device according to claims 4 and 5, characterized in that on the end of the piston rod (26) facing away from the suction cup (27) engages one end of a tension spring (33), the tensile force of which when the suction cup (27) is raised, the cylinder-piston unit (25) into the non-pivoted position, and pulls into the pivoted position when the suction cup (27) is lowered. 7. Einrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Unterdruckquelle eine mit Druckluft betriebe­ne Saugpumpe (28) aufweist.7. Device according to claim 5, characterized in that the vacuum source has a suction pump (28) operated with compressed air. 8. Einrichtung nach Anspruch 7, dadurch gekennzeichnet, dass ein elektromagnetisches Fünf/Zwei-Wege-Ventil (37) vorgesehen ist, um sowohl dem Zylinder-Kolben­aggregat (25) als auch der Saugpumpe (28) Druckluft zuzuführen.8. Device according to claim 7, characterized in that an electromagnetic five / two-way valve (37) is provided to supply compressed air to both the cylinder-piston unit (25) and the suction pump (28). 9. Einrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass mindestens ein gleichzeitig mit der Aktivierung der Halteeinrichtung (24) in den Sta­pelschacht (17) einfahrbarer Trennfinger (42) vorge­sehen ist, um die Trennung des angehobenen Druckerei­erzeugnisses (13) von dem darunterliegenden zu si­chern.9. Device according to one of claims 1 to 8, characterized in that at least one simultaneously with the activation of the holding device (24) in the stacking shaft (17) retractable separating finger (42) is provided to separate the raised printed product (13) from to secure the underlying one.
EP90110770A 1989-06-23 1990-06-07 Device for the stacking of printed products arriving in a scale formation Expired - Lifetime EP0403886B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH235889 1989-06-23
CH2358/89 1989-06-23

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EP0403886B1 EP0403886B1 (en) 1993-09-01

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EP (1) EP0403886B1 (en)
JP (1) JPH0356353A (en)
DE (1) DE59002531D1 (en)
FI (1) FI903157A0 (en)

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DE19603040B4 (en) * 1995-03-31 2006-05-24 Ferag Ag suction element

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DE19603040B4 (en) * 1995-03-31 2006-05-24 Ferag Ag suction element
DE19603040C5 (en) * 1995-03-31 2012-09-13 Ferag Ag suction element
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Also Published As

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JPH0356353A (en) 1991-03-11
US5139386A (en) 1992-08-18
FI903157A0 (en) 1990-06-21
DE59002531D1 (en) 1993-10-07
EP0403886B1 (en) 1993-09-01

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