EP0896942B1 - Device for dividing signature streams behind a folding apparatus - Google Patents

Device for dividing signature streams behind a folding apparatus Download PDF

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Publication number
EP0896942B1
EP0896942B1 EP98112325A EP98112325A EP0896942B1 EP 0896942 B1 EP0896942 B1 EP 0896942B1 EP 98112325 A EP98112325 A EP 98112325A EP 98112325 A EP98112325 A EP 98112325A EP 0896942 B1 EP0896942 B1 EP 0896942B1
Authority
EP
European Patent Office
Prior art keywords
gripper
conveyor
blocks
cable
gripper blocks
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 - Lifetime
Application number
EP98112325A
Other languages
German (de)
French (fr)
Other versions
EP0896942A3 (en
EP0896942A2 (en
Inventor
Charles Henry Dufour
Kevin Lauren Cote
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0896942A2 publication Critical patent/EP0896942A2/en
Publication of EP0896942A3 publication Critical patent/EP0896942A3/en
Application granted granted Critical
Publication of EP0896942B1 publication Critical patent/EP0896942B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/003Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
    • B65H29/005Delivering or advancing articles from machines; Advancing articles to or into piles by grippers by chains or bands having mechanical grippers engaging the side edges of articles, e.g. newspaper conveyors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/30Orientation, displacement, position of the handled material
    • B65H2301/33Modifying, selecting, changing orientation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/44Moving, forwarding, guiding material
    • B65H2301/445Moving, forwarding, guiding material stream of articles separated from each other
    • B65H2301/4451Moving, forwarding, guiding material stream of articles separated from each other forming a stream or streams of separated articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/44Moving, forwarding, guiding material
    • B65H2301/445Moving, forwarding, guiding material stream of articles separated from each other
    • B65H2301/4455Diverting a main stream into part streams
    • B65H2301/44552Diverting a main stream into part streams by alternatively directing articles following each other to appropriate part stream
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00Parts for holding the handled material
    • B65H2405/50Gripping means
    • B65H2405/53Rotary gripping arms
    • B65H2405/531Rotary gripping arms with relative movement of the arms relatively to the axis of rotation during rotation

Definitions

  • the present invention relates to a gripping device for grasping flat specimens, to a device for separating two or several versions of a flat product, in particular from printed copies a single stream of specimens in a shingled arrangement, in separate others Copy streams and a method for dividing a current flat products.
  • the normal steps in the production of printed copies in web-fed rotary printing presses are the formation, folding and cutting of a continuous paper web into individual copies, also called signatures.
  • the specimens leave the folder by, for example, a paddle wheel or a decelerator which reduces the speed of the specimens in relation to the web speed.
  • a deceleration device is described, for example, in US Pat. No. 5,452,886 A.
  • the copies generally leave the folder for further processing on a conveyor in a shingled formation and in an orderly sequence. It is important to maintain the sequence and orientation of the fold copies, since subsequent operations typically involve assembling multiple copies by binding or the like into an end product.
  • the image to be transferred to the web is on the printing plate upset.
  • the print image is transferred from the plate cylinder to a blanket cylinder transferred, which then transfers the image to the paper web.
  • If the extension of the . Print image for example, is smaller than half of the circumference of the printing cylinder several print images can be printed with one revolution of the printing cylinder.
  • Print images simultaneously printed on one web become, which leads to the fact that first versions of a printed copy between Copies of a second version and vice versa, in the shingled copy stream available. Therefore, it is desirable to check the two specimen streams before they processed, keeping their orientation separate.
  • US 4,550,822 A discloses a device for transporting flat products, in particular of printed products in a shingled arrangement.
  • Each gripper unit of this device comprises a stationary clamping part, a pivotable clamping part and one plate-shaped stop.
  • the swiveling clamping part is against the force of one Closing spring operated by a curve arrangement or the like.
  • the copies are first accelerated and then inserted into the open gripper mouth until they reach the Reach the stop. In this way, the printed copies are in the area of their front sections aligned. They remain at their trailing ends Print products under the conveying effect of the belt conveyor at least until the Gripper unit closes.
  • US 4,072,228 A describes a device for leveling a stream of shingled Printed copies.
  • This device comprises a number of rotating driver elements, which are designed to grip the printed products and with each other stay in contact.
  • the driver elements are at the beginning of their conveyor path from a linear actuator, and by a traction drive at the respective end of the Conveyor drive acted upon. After gripping the driver elements, the push and the train drive a change in the distance of the driver elements from each other and consequently a change in the distance between the printed copies taken.
  • US 3,809,214 A shows a conveyor for flat structures, preferably for Printed copies.
  • This conveyor includes a large number of drivers that deal with the moving flat structures.
  • Each of the drivers can be in contact with a respective one of the flat structures.
  • the drivers are separated so that they at least during the time they are in contact with a flat structure rotate relative to the direction of conveyance of a main conveyor, whereby the flat structures rotate around an axis perpendicular to the flat structures during the conveying process.
  • EP 0 399 188 A which corresponds to the preamble of claims 1, 6 and 8, discloses an arrangement for transferring two types of different direction coming flat material to a common Receiving device.
  • This arrangement is designed so that the two first distant and separate conveyor routes converge so that the two types of material can be passed sequentially to another conveyor.
  • the promotion is in each case connected to a chain by gripping devices with which the Copies are kept, realized.
  • the gripping devices attached to the chains run parallel to each other at a distance, and the flat products become off-center seized.
  • a gripper conveyor and a suction belt are used, which are usually at Newspaper conveyor systems are used.
  • the gripper blocks are connected to each other, as it were Links in a chain, the gripper blocks forming the conveyor path.
  • pulls such a gripper conveyor a product stream along a suction belt, which is moves slower than the conveyor, with every second product from the gripper conveyor is released and gets onto the suction belt.
  • This process of separating one The product stream has the disadvantage that no exact guidance of the products during the Separation of input into output product flows takes place. More specifically, this is based Traction on the tensile force between the suction belt and the trailing end the released copy to keep its alignment. The one with these Alignment accuracy achievable in this way is at high Product speeds or extremely light papers are not sufficient.
  • the task of a new and improved method and to provide an apparatus for two or more different versions flat products, preferably printed copies, by a folder in one scaled stream are designed to be divided into two or more specimen streams, without affecting the alignment between the individual streams.
  • the separation of the specimens should take place in such a way that the specimens at Leaving the folder are manageable at all times, and great reliability higher speeds and light papers can be achieved.
  • a Device seizes each copy individually when it is in the folder scale-like formation leaves and the shingled stream away from the folder transported.
  • the grippers that grasp the specimens are picked up on gripper blocks, which are each taken up on one of two conveyor cables, which during a the first part of the copy conveyor from the folder run parallel to each other.
  • the gripper blocks according to the present invention are not included adjacent gripper blocks connected; rather, they are separate from one another and connected to one of the two conveyor cables.
  • the grippers that have a first set of Examples capture, for example, guided by a first conveyor cable, while the Grippers that guide a second set of specimens through a second feed cable are led.
  • Both conveyor cables run parallel to each other, being common Use guided tours and copy guidance facilities to a point where the first Set of specimens is separated from the second set of specimens, or vice versa.
  • the second conveyor cable runs along a conveyor path that runs from the The course of the first conveyor cable differs.
  • the funding path of the second set of copies from that of the first set of copies. after the Copies have been separated from each other, for example, by the grippers designed for different conveyor belts, which means separate shingled streams copies can be led to further processing stations.
  • the grippers move relatively to the gripper blocks, whereby the respective set of printed copies in one Conveying formation is moved in which the fold back is oriented in the conveying direction.
  • Other special designs are in the dependent claims 2 to 5, 7 and 9 defined.
  • a first gripper block 1 is connected to a first conveyor cable 3 and a first gripper element 5.
  • On second gripper block 2 is with a second conveyor cable 4 and a second Gripper element 6 connected.
  • the gripper elements 5, 6 are known and known Way with the corresponding gripper blocks 1, 2 for example a bolt connection, connected.
  • the gripper blocks 1, 2 and the gripper elements 5, 6 described as separate components.
  • the described invention also includes an embodiment in which gripper blocks and gripper elements as a unit are executed.
  • the first gripper block 1 is provided with a first recess 17, for example can be cylindrical shape, and extends through the gripper block and that Conveying cable 3, on which the gripper block 1 is arranged.
  • the second gripper block 2 comprises a recess 18, also in a cylindrical shape, which extends through the gripper block 2, the second conveyor cable 4 in this is recorded.
  • the gripper blocks 1, 2 are on the corresponding conveyor cables 3, 4 locked by snap fasteners.
  • conventional Ball detent attachments 13, 14 in the gripper blocks 1, these releasably and precisely correspond to dimensioned and spaced-apart balls that are attached to the Delivery cables 3, 4 are located, whereby the relative positions of each gripper block 1, 2 for respective conveyor cable 3, 4 is fixed.
  • Fig. 4 shows a perspective view of a first gripper block 1 and a second Gripper block 2 according to an embodiment of the invention.
  • each first gripper block 1 has a second recess 15 to the Feed cable 4 through it as far as possible without contact.
  • the second gripper block 2 in addition to the first recess 18 Recess 16 through which the first conveyor cable 3 almost without contact through the second gripper block 2 can be performed.
  • the second recesses 15, 16 in the Gripper blocks 1 and 2 are dimensioned and shaped so that the first gripper block 1 a movement to the left in relation to the conveying path of the second conveying cable 4 allow while the second gripper block 2 to the right, based on the Can move the conveyor path of the first conveyor cable 3.
  • This configuration allows the Gripper blocks 1 and 2 pass through part of the conveyor path in parallel and to cover different funding routes during the other part of the funding path.
  • a single input current is from To split print copies in two starting product streams.
  • FIG. 2 shows an embodiment of a subordinate to a folder Separator shown in which the two conveyor cables 3, 4 from one common parallel conveying path for the separation of the individual product stream shingled Specimens 7, 8 diverge into two separate streams.
  • the conveyor drive 9 moves For example, clockwise, whereby the conveyor cable 3 along its Funding path is moved.
  • the conveyor drive 10 moves this Conveyor cable 4 clockwise along its conveyor path.
  • Each gripper element 5 is connected to a corresponding gripper block 1, which in turn on the first Conveyor cable 3 is attached.
  • a plurality are first Gripper blocks 1 on the conveyor cable 3 added.
  • the second are analogous Gripper elements 6 attached to corresponding second gripper blocks 2, which in turn on second conveyor cable 4 are attached.
  • in adjacent grippers are connected to each other are adjacent first and second Gripper blocks 1, 2 separated according to the present invention and each on first and second conveyor cables 3, 4 added.
  • each first gripper element 5 detects first copies 7 and every second Gripper elements 6, second copies 8.
  • An embodiment is shown as an example in FIG. 3b a deceleration device 100, which shows first and second copies 7, 8 passes to first and second gripper elements 5, 6.
  • the decelerator 100 in 3c, shown in side view, is used to make the first and second copies 7, 8 to brake, which are output from a folder and is in US 5,452,866 A described in more detail.
  • the Gripper blocks 1, 2 and the first and second conveyor cables 3, 4 By arranging the Gripper blocks 1, 2 and the first and second conveyor cables 3, 4 such that they are can move past the decelerator 100, the corresponding gripper elements 5, 6, the respective first and second copies 7, 8 detect when the decelerator 100 has the corresponding copies 7, 8 releases.
  • the configuration of the gripper blocks according to the invention shown here as an example allows a separation of the first and second gripper blocks 1, 2 and the first and second copies 7 or 8.
  • a predetermined position for example the point at which copies 7, 8 immediately above the separated one respective belt conveyors are aligned, for example at positions X and Y
  • the first and second copies 7, 8 are released by the gripper elements 5, 6, since they are now completely separate from each other, so that now from each other separate first and second copies 7 and 8 are available for a subsequent one Further processing, such as binding.
  • FIG. 2 Another feature of the folder according to the invention downstream Separating device is shown in Fig. 2.
  • the first and second copies 7, 8 can be rotated relative to the first and second gripper blocks 1, 2, so that the first and second copies 7, 8 can be continuously converted into an orientation in the fold back lies in the conveying direction.
  • 5a to 5d show first and second gripper elements 5, 6 according to the invention, which are rotatable relative to the respective gripper blocks, in detail.
  • the axis of rotation 200 extends perpendicular to the conveying direction 270, whereby the twist of the Gripper head 150 is made possible.
  • the rotational movement of the gripper head 150 extends preferably, as shown, about 45 ° to position 25 (see FIG. 5), but can also be set such that an alternative angular position 25 'is adopted can be greater than 45 °.
  • first actuating pin 130 On first actuating pin 130 is one with a first movable part 230 Gripper head 150 connected by means of a rod 130.4. A stationary part 220 of the The gripper head 150 is provided on a support 190. By pressurizing a first actuating pin 130 becomes the movable part 230 of the first and second, respectively Gripper element moved down to a copy release position, the copy was detected between the stationary part 220 and the movable part 230.
  • Within a housing 130.1 is a spring 130.3 between an upper support 130.5 and biased to a lower support 130.3; the upper support 130.5 is on the rod 130.4 attached.
  • a force is applied to the first operating pin 130 and moves the movable part 230, caused by the rod 130.4 down, the Spring 130.3 compressed. If the force is taken off the rod 130.4 again, the preloaded spring 130.3 relaxes and moves the movable part 230 afterwards above against the stationary part 220 of the gripper head 150.
  • a pretensioning device such as For example, a spring 140 is arranged to rotate the gripper head 150 to facilitate.
  • a second actuating pin 1300 is for causing the rotary movement of the gripper head 150 around the axis 200.
  • a tensioning mechanism is arranged before entering the folder (for example an actuator arranged in the conveying path of the gripper heads 150), which the Bias head 150 biased to a first position as shown in Fig. 5b.
  • the spring 140 is positioned by an actuator (e.g. a The projection for holding one end of the spring 140) is kept under tension.
  • the second actuating pin 1300 is subsequently actuated, the is relaxed Actuator, the spring 140 and the gripper head 150 rotates counter to the Clockwise into the angular position 25, ie the rotated position as shown in Fig. 5b.
  • actuation of the second actuation pin 1300 as well as an actuation of the first actuating pin 130 by a not shown Device 340 can be brought about in a variety of ways.
  • the rotation of the gripper head 150 can also be hydraulic or pneumatic way with actuating cylinders. Also an electric one controlled motor can be used.
  • the gripper head 150 can also by means of a pneumatic, hydraulic or electrical device back to its original position be put. The rotation from the second position to the first position can then for example, be carried out using an additional adjusting pin or via the second actuating pin 1300.
  • the actuation of the Pin 130 although shown here only by means of a spring mechanism, also on pneumatic or hydraulic way.
  • the gripping devices according to the present invention as shown in Figs. 5a to 5d, capture and promote the Specimens in overlapping, scaly formation.
  • the gripping devices have, for example, specially designed gripping surfaces around the ends of the respective Record copies.
  • Fig. 3a is a side view of the separating device downstream of a folder in shown the area where the first and second conveyor cables 3, 4 have a common, follow parallel funding path.
  • the first and second gripper blocks, each connected with the first and second conveyor cables 3, 4, are in a common guide 11 added.
  • This guide 11 guides, for example, the gripper blocks 1, 2 or Gripper elements 5, 6 along a predetermined path to grip them Align copies 7, 8 from the deceleration device 100 (see FIG. 3b).
  • roller bodies 12 on the first and second, respectively Gripper blocks are provided for easier guidance of the first or second To ensure gripper blocks 1, 2 within the common guide 11.
  • the first or second gripper elements 5, 6 grasp the respective ones Copies 7, 8.
  • gripper blocks without rolling elements in the common Guide 11 be, for example, by selecting suitable materials for the Gripper blocks and / or the guide channel in order to find suitable coefficients of friction achieve, for example training the gripper blocks 1, 2 from a self-lubricating Plastic or nylon ®.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)

Description

Die vorliegende Erfindung bezieht sich auf eine Greifeinrichtung zum Erfassen flächiger Exemplare, auf eine Vorrichtung zur Trennung zweier oder mehrerer Versionen eines flächigen Produktes, insbesondere von Druckexemplaren aus einem einzigen Exemplarstrom in geschuppter Anordnung, in getrennte weitere Exemplarströme und auf ein Verfahren zur Aufteilung eines stromes flächiger Produkte.The present invention relates to a gripping device for grasping flat specimens, to a device for separating two or several versions of a flat product, in particular from printed copies a single stream of specimens in a shingled arrangement, in separate others Copy streams and a method for dividing a current flat products.

Normale Schritte bei der Produktion bedruckter Exemplare in Rollenrotationsdruckmaschinen sind das Bilden, das Falzen und das Zuschneiden einer kontinuierlichen Papierbahn in einzelne Exemplare, auch Signaturen genannt. Herkömmlicherweise verlassen die Exemplare den Falzapparat durch beispielsweise ein Schaufelrad oder eine Verlangsamungseinrichtung, welche die Geschwindigkeit der Exemplare in Bezug auf die Bahngeschwindigkeit herabsetzt. Eine solche Verlangsamungseinrichtung ist beispielsweise im US 5,452,886 A beschrieben.
Die Exemplare verlassen den Falzapparat im allgemeinen zur Weiterverarbeitung auf eine Fördereinrichtung in geschuppter Formation und in geordneter Abfolge. Es ist wichtig, die Abfolge und die Ausrichtung der Falzexemplare beizubehalten, da nachfolgende Arbeitsgänge typischerweise das Zusammenstellen mehrerer Exemplare durch Bindeverfahren oder dergleichen zu einem Endprodukt umfassen.
The normal steps in the production of printed copies in web-fed rotary printing presses are the formation, folding and cutting of a continuous paper web into individual copies, also called signatures. Conventionally, the specimens leave the folder by, for example, a paddle wheel or a decelerator which reduces the speed of the specimens in relation to the web speed. Such a deceleration device is described, for example, in US Pat. No. 5,452,886 A.
The copies generally leave the folder for further processing on a conveyor in a shingled formation and in an orderly sequence. It is important to maintain the sequence and orientation of the fold copies, since subsequent operations typically involve assembling multiple copies by binding or the like into an end product.

Beim Offsetdruckverfahren ist das auf die Bahn zu übertragende Bild auf die Druckplatte aufgebracht. Das Druckbild wird vom Plattenzylinder auf einen Gummituchzylinder übertragen, welcher dann das Bild auf die Papierbahn überträgt. Falls die Erstreckung des .Druckbildes beispielsweise kleiner ist als die Hälfte des Druckzylinderumfanges, können mehrere Druckbilder bei einer Umdrehung des Druckzylinders gedruckt werden. Folglich können zwei getrennte Sujets, i. e. Druckbilder, gleichzeitig auf eine Bahn gedruckt werden, was dazu führt, daß jeweils erste Versionen eines Druckexemplars zwischen Exemplaren einer zweiten Version und umgekehrt, im geschuppten Exemplarstrom vorhanden sind. Daher ist es wünschenswert, die beiden Exemplarströme bevor sie verarbeitet werden, unter Beibehaltung ihrer Ausrichtung voneinander zu trennen. In the offset printing process, the image to be transferred to the web is on the printing plate upset. The print image is transferred from the plate cylinder to a blanket cylinder transferred, which then transfers the image to the paper web. If the extension of the . Print image, for example, is smaller than half of the circumference of the printing cylinder several print images can be printed with one revolution of the printing cylinder. Hence can two separate subjects, i. e. Print images, simultaneously printed on one web become, which leads to the fact that first versions of a printed copy between Copies of a second version and vice versa, in the shingled copy stream available. Therefore, it is desirable to check the two specimen streams before they processed, keeping their orientation separate.

US 4,550,822 A offenbart eine Vorrichtung zum Transport flächiger Produkte, insbesondere von Druckprodukten in geschuppter Anordnung. Jede Greifereinheit dieser Vorrichtung umfaßt ein stationär angeordnetes Klemmteil, ein schwenkbares Klemmteil sowie einen plattenförmigen Anschlag. Das schwenkbare Klemmteil wird gegen die Kraft einer Schließfeder durch eine Kurvenanordnung oder dergleichen betätigt. Die Exemplare werden zunächst beschleunigt und dann in den offenen Greifermund eingeführt, bis sie den Anschlag erreichen. Auf diese Weise werden die Druckexemplare im Bereich ihrer vorderen Abschnitte ausgerichtet. An ihren nachlaufenden Enden verbleiben die Druckprodukte unter der Förderwirkung des Bandförderers zumindest so lange, bis die Greifereinheit schließt.US 4,550,822 A discloses a device for transporting flat products, in particular of printed products in a shingled arrangement. Each gripper unit of this device comprises a stationary clamping part, a pivotable clamping part and one plate-shaped stop. The swiveling clamping part is against the force of one Closing spring operated by a curve arrangement or the like. The copies are first accelerated and then inserted into the open gripper mouth until they reach the Reach the stop. In this way, the printed copies are in the area of their front sections aligned. They remain at their trailing ends Print products under the conveying effect of the belt conveyor at least until the Gripper unit closes.

US 4,072,228 A beschreibt eine Vorrichtung zum Ebnen eines Stromes geschuppter Druckexemplare. Diese Vorrichtung umfaßt eine Anzahl umlaufender Mitnehmerelemente, die so ausgelegt sind, daß sie die Druckprodukte ergreifen und untereinander miteinander in Verbindung stehen. Die Mitnehmerelemente werden eingangs ihres Förderpfades von einem Schubantrieb angetrieben, und durch einen Zugantrieb an dem jeweiligen Ende des Förderantriebes beaufschlagt. Nach Ergreifen der Mitnehmerelemente bewirken der Schub-und der Zugantrieb eine Änderung des Abstandes der Mitnehmerelemente voneinander und folglich eine Änderung des Abstandes der ergriffenen Druckexemplare voneinander.US 4,072,228 A describes a device for leveling a stream of shingled Printed copies. This device comprises a number of rotating driver elements, which are designed to grip the printed products and with each other stay in contact. The driver elements are at the beginning of their conveyor path from a linear actuator, and by a traction drive at the respective end of the Conveyor drive acted upon. After gripping the driver elements, the push and the train drive a change in the distance of the driver elements from each other and consequently a change in the distance between the printed copies taken.

US 3,809,214 A zeigt einen Förderer für flache Strukturen, vorzugsweise für Druckexemplare. Dieser Förderer umfaßt eine Vielzahl von Mitnehmern, die sich mit den flachen Strukturen bewegen. Jeder der Mitnehmer kann in Kontakt mit einer jeweiligen der flachen Strukturen gebracht werden. Die Mitnehmer werden derart getrennt, daß sie zumindest während der Zeit, in der sie in Kontakt mit einer flachen Struktur stehen, sich relativ zur Förderrichtung eines Hauptförderers drehen, wobei sich die flachen Strukturen während des Fördervorgangs um eine Achse senkrecht zu den flachen Strukturen drehen.US 3,809,214 A shows a conveyor for flat structures, preferably for Printed copies. This conveyor includes a large number of drivers that deal with the moving flat structures. Each of the drivers can be in contact with a respective one of the flat structures. The drivers are separated so that they at least during the time they are in contact with a flat structure rotate relative to the direction of conveyance of a main conveyor, whereby the flat structures rotate around an axis perpendicular to the flat structures during the conveying process.

EP 0 399 188 A, die dem Oberbegriff der Ansprüche 1, 6 und 8 entspricht, offenbart eine Anordnung zur Überführung zweier Sorten aus unterschiedlichen Richtung kommenden flächigen Materials zu einer gemeinsamen Empfangseinrichtung. Diese Anordnung ist derart angelegt, dass die zwei zunächst entfernten und getrennten Förderwege zusammenlaufen, so dass die zwei Sorten Material sequentiell an eine weitere Fördereinrichtung übergeben werden können. Die Beförderung wird jeweils durch mit einer Kette verbundenen Greifeinrichtungen, mit denen die Exemplare gehalten werden, realisiert. Die an den Ketten angebrachten Greifeinrichtungen laufen mit Abstand parallel zueinander, und die flächigen Produkte werden unzentriert ergriffen. Das zugrundeliegende Verfahren und die beschriebene Ausführungsform haben jedoch den wesentlichen Nachteil, dass keine zuverlässige Führung auf dem gemeinsamen Förderpfad während einer ersten Zeitspanne gewährleistet ist.EP 0 399 188 A, which corresponds to the preamble of claims 1, 6 and 8, discloses an arrangement for transferring two types of different direction coming flat material to a common Receiving device. This arrangement is designed so that the two first distant and separate conveyor routes converge so that the two types of material can be passed sequentially to another conveyor. The promotion is in each case connected to a chain by gripping devices with which the Copies are kept, realized. The gripping devices attached to the chains run parallel to each other at a distance, and the flat products become off-center seized. Have the underlying method and the described embodiment However, the main disadvantage that no reliable guidance on the common Funding path is guaranteed during a first period.

In einem anderen bereits bekannten Verfahren zur Trennung eines Exemplarstroms werden ein Greiferförderer und ein Saugband verwendet, welche üblicherweise bei Zeitungs Fördersystemen verwendet werden. In solchen konventionellen Greiferfördersystemen sind die Greiferblöcke miteinander verbunden, gleichsam wie Glieder einer Kette, wobei die Greiferblöcke den Förderpfad bilden. Beispielsweise zieht ein solcher Greiferförderer einen Produktstrom entlang eines Saugbandes, welches sich langsamer als der Förderer bewegt, wobei jedes zweite Produkt vom Greiferförderer freigegeben wird und auf das Saugband gelangt. Dieses Verfahren zur Trennung eines Produktstromes hat den Nachteil, daß keine exakte Führung der Produkte während der Trennung von Eingangs- in Ausgangsproduktströme erfolgt. Genauer gesagt, beruht dieses Verfahren auf der Zugkraft zwischen dem Saugband und dem jeweils nachlaufenden Ende des freigegebenen Exemplars, um dessen Ausrichtung beizubehalten. Die mit diesen Verfahren auf diese Weise erzielbare Ausrichtegenauigkeit ist bei hohen Produktgeschwindigkeiten oder extrem leichten Papieren nicht ausreichend.In another already known method for separating a copy stream a gripper conveyor and a suction belt are used, which are usually at Newspaper conveyor systems are used. In such conventional ones Gripper conveyor systems, the gripper blocks are connected to each other, as it were Links in a chain, the gripper blocks forming the conveyor path. For example, pulls such a gripper conveyor a product stream along a suction belt, which is moves slower than the conveyor, with every second product from the gripper conveyor is released and gets onto the suction belt. This process of separating one The product stream has the disadvantage that no exact guidance of the products during the Separation of input into output product flows takes place. More specifically, this is based Traction on the tensile force between the suction belt and the trailing end the released copy to keep its alignment. The one with these Alignment accuracy achievable in this way is at high Product speeds or extremely light papers are not sufficient.

Angesichts des skizzierten Standes der Technik und der obigen Ausführungen liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein neues und verbessertes Verfahren und eine Vorrichtung bereitzustellen, um zwei oder mehrere unterschiedliche Versionen flächige Produkte, vorzugsweise Druckexemplare, die von einem Falzapparat in einem geschuppten Strom ausgelegt werden, in zwei oder mehrere Exemplarströme aufzuteilen, ohne daß die Ausrichtung zwischen den einzelnen Strömen beeinträchtigt wird.In view of the outlined state of the art and the above statements, the present invention the task of a new and improved method and to provide an apparatus for two or more different versions flat products, preferably printed copies, by a folder in one scaled stream are designed to be divided into two or more specimen streams, without affecting the alignment between the individual streams.

Weiterhin soll die Trennung der Exemplare derart vonstatten gehen, daß die Exemplare bei Verlassen des Falzapparates allzeit beherrschbar sind, und eine große Zuverlässigkeit bei höheren Geschwindigkeiten und leichten Papieren erzielbar ist.Furthermore, the separation of the specimens should take place in such a way that the specimens at Leaving the folder are manageable at all times, and great reliability higher speeds and light papers can be achieved.

Gemäß der vorliegenden Erfindung werden die Aufgaben durch eine Einrichtung nach Anspruch 1, eine Vorrichtung nach Anspruch 6 und ein Verfahren nach Anspruch 8 gelöst. Insbesondere ist vorgesehen, daß eine Vorrichtung jedes Exemplar individuell ergreift, wenn es den Falzapparat in schuppenförmiger Formation verläßt und den Schuppenstrom weg vom Falzapparat transportiert. Die die Exemplare erfassenden Greifer sind an Greiferblöcken aufgenommen, die wieder an jeweils einem von zwei Förderkabeln aufgenommen sind, die während eines ersten Teil des Exemplarförderweges aus dem Falzapparat parallel zueinander verlaufen. Die Greiferblöcke gemäß der vorliegenden Erfindung sind nicht mit nebeneinanderliegenden Greiferblöcken verbunden; sie sind vielmehr voneinander getrennt und mit einem der beiden Förderkabel verbunden.According to the present invention, the objects are achieved by a device according to claim 1, an apparatus according to claim 6 and a method according to claim 8. In particular, it is provided that a Device seizes each copy individually when it is in the folder scale-like formation leaves and the shingled stream away from the folder transported. The grippers that grasp the specimens are picked up on gripper blocks, which are each taken up on one of two conveyor cables, which during a the first part of the copy conveyor from the folder run parallel to each other. The gripper blocks according to the present invention are not included adjacent gripper blocks connected; rather, they are separate from one another and connected to one of the two conveyor cables.

Gemäß der vorliegenden Erfindung werden die Greifer, die einen ersten Satz von Exemplaren erfassen beispielsweise von einem ersten Förderkabel geführt, während die Greifer, die einen zweiten Satz von Exemplaren führen durch eine zweites Förderkabel geführt sind. Beide Förderkabel verlaufen parallel zueinander, wobei sie gemeinsame Führungen und Exemplarführungseinrichtungen nutzen, bis zu einem Punkt, wo der erste Satz von Exemplaren vom zweiten Satz von Exemplaren getrennt wird, oder umgekehrt.According to the present invention, the grippers that have a first set of Examples capture, for example, guided by a first conveyor cable, while the Grippers that guide a second set of specimens through a second feed cable are led. Both conveyor cables run parallel to each other, being common Use guided tours and copy guidance facilities to a point where the first Set of specimens is separated from the second set of specimens, or vice versa.

Ab diesem Punkt verläuft das zweite Förderkabel entlang eines Förderpfades, welcher vom Verlauf des ersten Förderkabels abweicht. Folglich unterscheidet sich der Förderpfad des zweiten Satzes von Exemplaren von dem des ersten Satzes von Exemplaren. Nachdem die Exemplare voneinander getrennt worden sind, werden sie von den Greifern beispielsweise auf verschiedene Förderbänder ausgelegt, wodurch voneinander getrennte Schuppenströme von Exemplaren an Weiterverarbeitungsstationen geführt werden können. In einem anderen Ausführungsbeispiel der vorliegenden Erfindung, bewegen sich die Greifer relativ zu den Greiferblöcken, wodurch der jeweilige Satz von Druckexemplaren in eine Förderformation bewegt wird, in der der Falzrücken in Förderrichtung orientiert ist. Weitere besondere Ausführungsarten sind in den abhängigen Ansprüche 2 bis 5, 7 und 9 definiert.From this point, the second conveyor cable runs along a conveyor path that runs from the The course of the first conveyor cable differs. As a result, the funding path of the second set of copies from that of the first set of copies. after the Copies have been separated from each other, for example, by the grippers designed for different conveyor belts, which means separate shingled streams copies can be led to further processing stations. In one In another embodiment of the present invention, the grippers move relatively to the gripper blocks, whereby the respective set of printed copies in one Conveying formation is moved in which the fold back is oriented in the conveying direction. Other special designs are in the dependent claims 2 to 5, 7 and 9 defined.

Anhang einer Zeichnung sei die Erfindung nachstehend näher erläutert:The invention is explained in more detail below with reference to a drawing:

Es zeigt:

Fig. 1
die Draufsicht auf Greiferblöcke, die an Förderkabeln gemäß der vorliegenden Erfindung aufgenommen sind,
Fig. 2
eine gemeinsame Ansicht von ersten und zweiten Fördersystemen gemäß der vorliegenden Erfindung,
Fig. 3a
eine Seitenansicht von Greifereinheiten, die einer Führung und einer Exemplarführungseinrichtung folgen gemäß der vorliegenden Erfindung,
Fig.3b
eine beispielhafte Verlangsamungseinrichtung, welche Exemplare an ein Greiferfördersystem gemäß der vorliegenden Erfindung übergibt,
Fig. 3c
eine Seitenansicht der Verlangsamungseinrichtung nach Fig. 3b,
Fig. 4
eine perspektivische Ansicht eines ersten und zweiten Greiferblockes und der entsprechenden Förderkabel gemäß der vorliegenden Erfindung,
Fig. 5a
eine perspektivische Ansicht eines Greifers in einem erfindungsgemäßen Fördersystem,
Fig. 5b
eine Draufsicht auf die Greifer gemäß einer erfindungsgemäßen Ausführungsform,
Fig. 5c
eine perspektivische Ansicht eines Greifers, welcher zusätzlich eine Detailansicht des Dreh- und Klemmechanismus gemäß einer Ausführungsform der Erfindung enthält; und
Fig. 5d
eine perspektivische Ansicht eines Greifers mit einer zusätzlichen Detailansicht des Dreh- und Klemmechanismus gemäß einer zweiten Ausführungsform der vorliegenden Erfindung.
It shows:
Fig. 1
the top view of gripper blocks, which are recorded on conveyor cables according to the present invention,
Fig. 2
1 shows a common view of first and second conveyor systems according to the present invention,
Fig. 3a
2 shows a side view of gripper units which follow a guide and an item guide device according to the present invention,
Fig.3b
an exemplary slowdown device which transfers copies to a gripper conveyor system according to the present invention,
3c
3b shows a side view of the deceleration device according to FIG.
Fig. 4
2 shows a perspective view of a first and second gripper block and the corresponding conveyor cables according to the present invention,
Fig. 5a
2 shows a perspective view of a gripper in a conveyor system according to the invention,
Fig. 5b
a plan view of the gripper according to an embodiment of the invention,
Fig. 5c
a perspective view of a gripper, which additionally contains a detailed view of the rotating and clamping mechanism according to an embodiment of the invention; and
Fig. 5d
a perspective view of a gripper with an additional detailed view of the rotating and clamping mechanism according to a second embodiment of the present invention.

Fig. 1 zeigt zwei als Beispiel dienende Arten von Greiferblöcken gemäß der vorliegenden Erfindung, wobei diese in paralleler Anordnung dargestellt sind. Ein erster Greiferblock 1 ist mit einem ersten Förderkabel 3 und einem ersten Greiferelement 5 verbunden. Ein zweiter Greiferblock 2 ist mit einem zweiten Förderkabel 4 und einem zweiten Greiferelement 6 verbunden. Die Greiferelemente 5, 6 sind bekannt und in bekannter Weise mit den entsprechenden Greiferblöcken 1, 2 beispielsweise einer Bolzenverbindung, verbunden. Aus Klarheitsgründen sind die Greiferblöcke 1, 2 und die Greiferelemente 5, 6 als separate Komponenten beschrieben. Die beschriebene Erfindung umfaßt jedoch auch eine Ausführungsform, in der Greiferblöcke und Greiferelemente als eine Einheit ausgeführt sind.1 shows two exemplary types of gripper blocks according to the present Invention, which are shown in a parallel arrangement. A first gripper block 1 is connected to a first conveyor cable 3 and a first gripper element 5. On second gripper block 2 is with a second conveyor cable 4 and a second Gripper element 6 connected. The gripper elements 5, 6 are known and known Way with the corresponding gripper blocks 1, 2 for example a bolt connection, connected. For reasons of clarity, the gripper blocks 1, 2 and the gripper elements 5, 6 described as separate components. However, the described invention also includes an embodiment in which gripper blocks and gripper elements as a unit are executed.

Der erste Greiferblock 1 ist mit einer ersten Ausnehmung 17 versehen, die beispielsweise zylindrischer Gestalt sein kann, und sich durch den Greiferblock erstreckt und das Förderkabel 3 aufnimmt, an dem der Greiferblock 1 angeordnet ist. In ähnlicher Weise umfaßt der zweite Greiferblock 2 eine Ausnehmung 18, ebenfalls in zylindrischer Form, die sich durch den Greiferblock 2 erstreckt, wobei das zweite Förderkabel 4 in diesem aufgenommen ist. Die Greiferblöcke 1, 2 sind auf den entsprechenden Förderkabeln 3, 4 durch Rastbefestigungen arretiert. Beispielsweise halten herkömmliche Kugelrastbefestigungen 13, 14 in den Greiferblöcken 1, diese lösbar und präzise an entsprechen dimensionierten und voneinander beabstandeten Kugeln, die sich an den Förderkabeln 3, 4 befinden, wodurch die relativ Positionen jedes Greiferblockes 1, 2 zum jeweiligen Förderkabel 3, 4 festgelegt ist.The first gripper block 1 is provided with a first recess 17, for example can be cylindrical shape, and extends through the gripper block and that Conveying cable 3, on which the gripper block 1 is arranged. In a similar way the second gripper block 2 comprises a recess 18, also in a cylindrical shape, which extends through the gripper block 2, the second conveyor cable 4 in this is recorded. The gripper blocks 1, 2 are on the corresponding conveyor cables 3, 4 locked by snap fasteners. For example, conventional Ball detent attachments 13, 14 in the gripper blocks 1, these releasably and precisely correspond to dimensioned and spaced-apart balls that are attached to the Delivery cables 3, 4 are located, whereby the relative positions of each gripper block 1, 2 for respective conveyor cable 3, 4 is fixed.

Fig. 4 zeigt eine perspektivische Ansicht eines ersten Greiferblockes 1 und eines zweiten Greiferblockes 2 gemäß einer Ausführungsform der Erfindung. Zusätzlich zur ersten Ausnehmung 17 hat jeder erste Greiferblock 1 eine zweite Ausnehmung 15, um das Förderkabel 4 weitestgehend berührungsfrei durch diesen zu führen. In ähnlicher Weise enthält der zweite Greiferblock 2 zusätzlich zur ersten Ausnehmung 18 eine weitere Ausnehmung 16, durch welche das erste Förderkabel 3 annähernd berühungsfrei durch den zweiten Greiferblock 2 geführt werden kann. Die zweiten Ausnehmungen 15, 16 in den Greiferblöcken 1 bzw. 2 sind so dimensioniert und geformt, um dem ersten Greiferblock 1 eine Bewegung nach links, bezogen zum Förderpfad des zweiten Förderkabels 4 zu ermöglichen, während der zweite Greiferblock 2 sich nach rechts, bezogen auf den Förderpfad des ersten Förderkabels 3 bewegen kann. Diese Konfiguration erlaubt den Greiferblöcken 1 bzw. 2 einen Teil des Förderpfades parallel zu durchlaufen und unterschiedliche Förderwege während des anderen Teils des Förderpfads zurückzulegen. Wie nachfolgend genauer beschrieben werden wird, ist ein einziger Eingangsstrom von Druckexemplaren so in zwei Ausgangsproduktströme aufzuteilen. Fig. 4 shows a perspective view of a first gripper block 1 and a second Gripper block 2 according to an embodiment of the invention. In addition to the first Recess 17, each first gripper block 1 has a second recess 15 to the Feed cable 4 through it as far as possible without contact. In a similar way contains the second gripper block 2 in addition to the first recess 18 Recess 16 through which the first conveyor cable 3 almost without contact through the second gripper block 2 can be performed. The second recesses 15, 16 in the Gripper blocks 1 and 2 are dimensioned and shaped so that the first gripper block 1 a movement to the left in relation to the conveying path of the second conveying cable 4 allow while the second gripper block 2 to the right, based on the Can move the conveyor path of the first conveyor cable 3. This configuration allows the Gripper blocks 1 and 2 pass through part of the conveyor path in parallel and to cover different funding routes during the other part of the funding path. As will be described in more detail below, a single input current is from To split print copies in two starting product streams.

In Fig. 2 ist eine Ausführungsform einer einem Falzapparat nachgeordneten Trenneinrichtung wiedergegeben, in der die beiden Förderkabel 3, 4 von einem gemeinsamen parallelen Förderpfad zur Trennung des Einzelproduktstromes geschuppter Exemplare 7, 8 in zwei separate Schuppenströme divergieren. Der Förderantrieb 9 bewegt sich beispielsweise im Uhrzeigersinn, wodurch das Förderkabel 3 entlang seines Förderpfades bewegt wird. In ähnlicher Weise bewegt der Förderantrieb 10 das Förderkabel 4 im Uhrzeigersinn entlang seines Förderpfades. Jedes Greiferelement 5 ist mit einem entsprechenden Greiferblock 1 verbunden, der wiederum am ersten Förderkabel 3 befestigt ist. Wie in Fig. 2 dargestellt ist, sind eine Vielzahl erster Greiferblöcke 1 am Förderkabel 3 aufgenommen. In analoger Weise sind zweite Greiferelemente 6 an entsprechenden zweiten Greiferblöcken 2 befestigt, die wiederum am zweiten Förderkabel 4 befestigt sind. Im Unterschied zu bekannten Greifersystemen, in dem benachbarte Greifer miteinander verbunden sind, sind benachbarte erste und zweite Greiferblöcke 1, 2 gemäß der vorliegenden Erfindung voneinander getrennt und jeweils am ersten bzw. zweiten Förderkabel 3, 4 aufgenommen.2 shows an embodiment of a subordinate to a folder Separator shown in which the two conveyor cables 3, 4 from one common parallel conveying path for the separation of the individual product stream shingled Specimens 7, 8 diverge into two separate streams. The conveyor drive 9 moves For example, clockwise, whereby the conveyor cable 3 along its Funding path is moved. In a similar manner, the conveyor drive 10 moves this Conveyor cable 4 clockwise along its conveyor path. Each gripper element 5 is connected to a corresponding gripper block 1, which in turn on the first Conveyor cable 3 is attached. As shown in Fig. 2, a plurality are first Gripper blocks 1 on the conveyor cable 3 added. The second are analogous Gripper elements 6 attached to corresponding second gripper blocks 2, which in turn on second conveyor cable 4 are attached. In contrast to known gripper systems, in adjacent grippers are connected to each other are adjacent first and second Gripper blocks 1, 2 separated according to the present invention and each on first and second conveyor cables 3, 4 added.

Im Betrieb erfaßt jedes erste Greiferelement 5 erste Exemplare 7 und jedes zweite Greiferelemente 6 zweite Exemplare 8. In Fig. 3b ist beispielhaft eine Ausführungsform einer Verlangsamungseinrichtung 100 dargestellt, welche erste und zweite Exemplare 7, 8 an erste und zweite Greiferelemente 5, 6 übergibt. Die Verlangsamungseinrichtung 100, in Fig. 3c in Seitenansicht gezeigt, wird eingesetzt, um die ersten und zweiten Exemplare 7, 8 abzubremsen, welche aus einem Falzapparat ausgegeben werden und ist in US 5,452,866 A näher beschrieben. Wie in Fig. 3b weiter dargestellt, sind Greiferblöcke 1, 2 mit den entsprechenden ersten und zweiten Förderkabeln 3, verbunden und folgen einem Förderpfad in der Nähe der Verlangsamungseinrichtung 100. Durch Anordnung der Greiferblöcke 1, 2 und des ersten und zweiten Förderkabels 3, 4 derart, daß diese sich entlang der Verlangsamungseinrichtung 100 vorbeibewegen können, können die entsprechenden Greiferelemente 5, 6 die jeweiligen ersten und zweiten Exemplare 7, 8 erfassen, wenn die Verlangsamungseinrichtung 100 die entsprechenden Exemplare 7, 8 freigibt. In operation, each first gripper element 5 detects first copies 7 and every second Gripper elements 6, second copies 8. An embodiment is shown as an example in FIG. 3b a deceleration device 100, which shows first and second copies 7, 8 passes to first and second gripper elements 5, 6. The decelerator 100, in 3c, shown in side view, is used to make the first and second copies 7, 8 to brake, which are output from a folder and is in US 5,452,866 A described in more detail. As further shown in Fig. 3b, gripper blocks 1, 2 with the corresponding first and second conveyor cables 3, connected and follow one Conveyor path near the deceleration device 100. By arranging the Gripper blocks 1, 2 and the first and second conveyor cables 3, 4 such that they are can move past the decelerator 100, the corresponding gripper elements 5, 6, the respective first and second copies 7, 8 detect when the decelerator 100 has the corresponding copies 7, 8 releases.

Sobald ein erstes oder zweites Exemplar 7, 8 von der Verlangsamungseinrichtung 100 an ein entsprechendes erstes oder zweites Greiferelement 5 oder 6 übergeben ist, führen die Förderkabel 3, 4 an dem die ersten und zweiten Greiferblöcke 1, 2 mit dem Rastbefestigungen 13 befestigt sind, die Produkte entlang eines gemeinsamen Förderpfades bis zu dem Punkt, an dem das zweite Förderkabel 4 den Pfad des ersten Förderkabels 3 verläßt, wie in Fig. 2 gezeigt. Zum selben Zeitpunkt weicht das zweite Förderkabel 4 vom weiteren Förderpfad des ersten Förderkabels 3 ab, wodurch die zweiten Exemplare 7 ebenfalls vom weiteren Förderpfad der ersten Exemplare 7 abweichen.As soon as a first or second copy 7, 8 from the deceleration device 100 onwards a corresponding first or second gripper element 5 or 6 is passed, lead the Conveyor cable 3, 4 on which the first and second gripper blocks 1, 2 with the Snap fasteners 13 are attached to the products along a common conveyor path to the point where the second conveyor cable 4 follows the path of the first conveyor cable 3 leaves as shown in Fig. 2. At the same time, the second conveyor cable 4 deviates from further conveyor path of the first conveyor cable 3, whereby the second copies 7 also deviate from the further funding path of the first copies 7.

Die hier als Beispiel dargestellte Konfiguration der erfindungsgemäßen Greiferblöcke erlaubt eine Trennung der ersten und zweiten Greiferblöcke 1, 2 als auch der ersten und zweiten Exemplare 7 bzw. 8. Bei Erreichen einer vorherbestimmten Position, beispielsweise dem Punkt, an dem die Exemplare 7, 8 unmittelbar über den getrennten jeweiligen Bandförderern ausgerichtet sind, beispielsweise an den Positionen X und Y, werden die ersten bzw. zweiten Exemplare 7, 8 von den Greiferelementen 5, 6 freigegeben, da sie nunmehr vollständig voneinander getrennt sind, so daß nunmehr voneinander getrennte erste und zweite Exemplare 7 bzw. 8 vorliegen, für eine nachfolgende Weiterverarbeitung, wie beispielsweise das Binden. Nachdem die ersten bzw. zweiten Exemplare 7, 8 von den jeweiligen ersten bzw. zweiten Greiferelementen 5, 6 freigegeben sind, laufen die Förderpfade der ersten und zweiten Förderkabel 3 und 4 wieder zusammen und führen erste und zweite Greiferblöcke 1, 2 sowie erste und zweite Greiferelemente 5, 6 zurück zum Falzapparat.The configuration of the gripper blocks according to the invention shown here as an example allows a separation of the first and second gripper blocks 1, 2 and the first and second copies 7 or 8. When a predetermined position is reached, for example the point at which copies 7, 8 immediately above the separated one respective belt conveyors are aligned, for example at positions X and Y, the first and second copies 7, 8 are released by the gripper elements 5, 6, since they are now completely separate from each other, so that now from each other separate first and second copies 7 and 8 are available for a subsequent one Further processing, such as binding. After the first or second Copies 7, 8 of the respective first and second gripper elements 5, 6 released , the conveying paths of the first and second conveying cables 3 and 4 converge again and guide first and second gripper blocks 1, 2 and first and second gripper elements 5, 6 back to the folder.

Ein weiteres Merkmal der dem Falzapparat nachgeordneten erfindungsgemäßen Trennvorrichtung ist in Fig. 2 dargestellt. Die ersten und zweiten Exemplare 7, 8 können relativ zu den ersten und zweiten Greiferblöcken 1, 2 gedreht werden, so daß die ersten und zweiten Exemplaren 7, 8 kontinuierlich in eine Orientierung überführt werden können, in der der Falzrücken in Förderrichtung liegt.Another feature of the folder according to the invention downstream Separating device is shown in Fig. 2. The first and second copies 7, 8 can can be rotated relative to the first and second gripper blocks 1, 2, so that the first and second copies 7, 8 can be continuously converted into an orientation in the fold back lies in the conveying direction.

Die Fig. 5a bis 5d zeigen erfindungsgemäße erste bzw. zweite Greiferelemente 5, 6, welche relativ zu den jeweiligen Greiferblöcken verdrehbar sind, en detail. Die Drehachse 200 erstreckt sich senkrecht zur Förderrichtung 270, wodurch die Verdrehung des Greiferkopfes 150 ermöglicht wird. Die Drehbewegung des Greiferkopfes 150 erstreckt sich vorzugsweise, wie dargestellt, ungefähr über 45° in die Position 25 (s. Fig. 5), aber kann auch derart eingestellt werden, daß eine alternative Winkellage 25' eingenommen werden kann, die größer als 45° ist.5a to 5d show first and second gripper elements 5, 6 according to the invention, which are rotatable relative to the respective gripper blocks, in detail. The axis of rotation 200 extends perpendicular to the conveying direction 270, whereby the twist of the Gripper head 150 is made possible. The rotational movement of the gripper head 150 extends preferably, as shown, about 45 ° to position 25 (see FIG. 5), but can also be set such that an alternative angular position 25 'is adopted can be greater than 45 °.

In Fig. 5c ist ein Querschnitt durch einen Teil eines Greiferelementes 5, 6 dargestellt. Ein erster Betätigungsstift 130 ist mit einem ersten beweglichen Teil 230 eines Greiferkopfes 150 mittels einer Stange 130.4 verbunden. Ein stationäres Teil 220 des Greiferkopfes 150 ist an einem Support 190 vorgesehen. Durch Druckbeaufschlagung eines ersten Betätigungsstiftes 130 wird der bewegliche Teil 230 des ersten bzw. zweiten Greiferelements abwärts in eine Exemplarfreigabeposition bewegt, wobei das Exemplar zwischen dem stationären Teil 220 und dem beweglichen Teil 230 erfaßt war. Innerhalb eines Gehäuses 130.1 ist eine Feder 130.3 zwischen einem oberen Support 130.5 und einem unteren Support 130.3 vorgespannt; der obere Support 130.5 ist an der Stange 130.4 befestigt. Wird der erste Betätigungsstift 130 mit einer Kraft beaufschlagt und bewegt sich das bewegliche Teil 230, verursacht durch die Stange 130.4 nach unten, wird die Feder 130.3 komprimiert. Wird die Kraft wieder von der Stange 130.4 genommen, entspannt sich die vorgespannte Feder 130.3 und bewegt den beweglichen Teil 230 nach oben gegen den stationären Teil 220 des Greiferkopfes 150.5c shows a cross section through part of a gripper element 5, 6. On first actuating pin 130 is one with a first movable part 230 Gripper head 150 connected by means of a rod 130.4. A stationary part 220 of the The gripper head 150 is provided on a support 190. By pressurizing a first actuating pin 130 becomes the movable part 230 of the first and second, respectively Gripper element moved down to a copy release position, the copy was detected between the stationary part 220 and the movable part 230. Within a housing 130.1 is a spring 130.3 between an upper support 130.5 and biased to a lower support 130.3; the upper support 130.5 is on the rod 130.4 attached. A force is applied to the first operating pin 130 and moves the movable part 230, caused by the rod 130.4 down, the Spring 130.3 compressed. If the force is taken off the rod 130.4 again, the preloaded spring 130.3 relaxes and moves the movable part 230 afterwards above against the stationary part 220 of the gripper head 150.

In Fig. 5d ist gezeigt, daß auf dem Support 190 eine Vorspanneinrichtung wie beispielsweise eine Feder 140 angeordnet ist, um die Drehbewegung des Greiferkopfes 150 zu erleichtern. Ein zweiter Betätigungsstift 1300 ist für die Bewirkung der Drehbewegung des Greiferkopfes 150 um die Achse 200 vorgesehen.In Fig. 5d it is shown that on the support 190 a pretensioning device such as For example, a spring 140 is arranged to rotate the gripper head 150 to facilitate. A second actuating pin 1300 is for causing the rotary movement of the gripper head 150 around the axis 200.

Vor dem Eintritt in den Falzapparat ist ein Spannmechanismus angeordnet (beispielsweise eine im Förderpfad der Greiferköpfe 150 angeordnetes Stellglied), welches den Greiferkopf 150 in eine erste Position vorspannt, wie in Fig. 5b gezeigt. In der ersten Position wird die Feder 140 durch eine Betätigungsvorrichtung (beispielsweise ein Vorsprung zum Halten eines Endes der Feder 140) unter Spannung gehalten. A tensioning mechanism is arranged before entering the folder (for example an actuator arranged in the conveying path of the gripper heads 150), which the Bias head 150 biased to a first position as shown in Fig. 5b. In the first The spring 140 is positioned by an actuator (e.g. a The projection for holding one end of the spring 140) is kept under tension.

Wird der zweite Betätigungsstift 1300 nachfolgend betätigt, entspannt die Betätigungsvorrichtung die Feder 140 und der Greiferkopf 150 dreht sich entgegen des Uhrzeigersinns in die Winkellage 25, also die verdrehte Position wie in Fig. 5b gezeigt. Wie weiter unten erklärt wird, kann eine Betätigung des zweiten Betätigungsstiftes 1300 wie auch eine Betätigung des ersten Betätigungsstiftes 130 durch eine nicht dargestellte Vorrichtung 340 auf vielfältige Weise herbeigeführt werden.If the second actuating pin 1300 is subsequently actuated, the is relaxed Actuator, the spring 140 and the gripper head 150 rotates counter to the Clockwise into the angular position 25, ie the rotated position as shown in Fig. 5b. As explained below, actuation of the second actuation pin 1300 as well as an actuation of the first actuating pin 130 by a not shown Device 340 can be brought about in a variety of ways.

Obwohl die Verdrehung des Greiferkopfes 150 oben im Zusammenhang mit einem Federmechanismus beschrieben wurde, können natürlich auch andere Prinzipien angewendet werden. Die Verdrehung des Greiferkopfes 150 kann auch auf hydraulischem oder pneumatischem Wege mit Stellzylindern bewirkt werden. Auch ein elektrisch gesteuerter Motor kann benutzt werden. Auch kann der Greiferkopf 150 mittels einer pneumatisch, hydraulischen oder elektrischen Einrichtung in seine Ausgangslage zurück gestellt werden. Die Verdrehung von der zweiten Position in die erste Position kann dann beispielsweise durch einen zusätzlich vorzusehenden Stellstift vorgenommen werden oder über den zweiten Betätigungsstift 1300. In gleicher Weise kann die Betätigung des Stiftes 130, obwohl hier nur mittels eines Federmechanismus gezeigt, auch auf pneumatischem oder hydraulischem Wege erfolgen. Die Greifeinrichtungen gemäß der vorliegenden Erfindung, wie in den Figs. 5a bis 5d dargestellt, erfassen und fördern die Exemplare in einander überlappender, geschuppter Formation. Die Greifeinrichtungen haben beispielsweise speziell gestaltete Greifflächen, um die Enden der jeweiligen Exemplare zu erfassen.Although the twist of the gripper head 150 above is associated with a Spring mechanism has been described, of course, other principles be applied. The rotation of the gripper head 150 can also be hydraulic or pneumatic way with actuating cylinders. Also an electric one controlled motor can be used. The gripper head 150 can also by means of a pneumatic, hydraulic or electrical device back to its original position be put. The rotation from the second position to the first position can then for example, be carried out using an additional adjusting pin or via the second actuating pin 1300. In the same way, the actuation of the Pin 130, although shown here only by means of a spring mechanism, also on pneumatic or hydraulic way. The gripping devices according to the present invention as shown in Figs. 5a to 5d, capture and promote the Specimens in overlapping, scaly formation. The gripping devices have, for example, specially designed gripping surfaces around the ends of the respective Record copies.

In Fig. 3a ist eine Seitenansicht der einem Falzapparat nachgeordneten Trenneinrichtung in dem Bereich dargestellt, wo das erste bzw. zweite Förderkabel 3, 4 einen gemeinsamen, parallelen Förderpfad folgen. Die ersten bzw. zweiten Greiferblöcke, jeweils verbunden mit den ersten und zweiten Förderkabeln 3, 4, werden in einer gemeinsamen Führung 11 aufgenommen. Diese Führung 11 führt beispielsweise die Greiferblöcke 1, 2 bzw. Greiferelemente 5, 6 entlang eines vorherbestimmten Pfades, um sie zum Ergreifen der Exemplare 7, 8 aus der Verlangsamungseinrichtung 100 auszurichten (s. Fig. 3b). In der Ausführungsform gemäß Fig. 3b sind Rollenkörper 12 an den ersten bzw. zweiten Greiferblöcken vorgesehen, um eine leichtere Führung der ersten bzw. zweiten Greiferblöcke 1, 2 innerhalb der gemeinsamen Führung 11 zu gewährleisten. Wie oben bereits ausgeführt, erfassen die ersten bzw. zweiten Greiferelemente 5, 6 die jeweiligen Exemplare 7, 8.In Fig. 3a is a side view of the separating device downstream of a folder in shown the area where the first and second conveyor cables 3, 4 have a common, follow parallel funding path. The first and second gripper blocks, each connected with the first and second conveyor cables 3, 4, are in a common guide 11 added. This guide 11 guides, for example, the gripper blocks 1, 2 or Gripper elements 5, 6 along a predetermined path to grip them Align copies 7, 8 from the deceleration device 100 (see FIG. 3b). In the 3b are roller bodies 12 on the first and second, respectively Gripper blocks are provided for easier guidance of the first or second To ensure gripper blocks 1, 2 within the common guide 11. As above already executed, the first or second gripper elements 5, 6 grasp the respective ones Copies 7, 8.

Andere Ausführungsformen können Greiferblöcke ohne Rollkörper in der gemeinsamen Führung 11 sein, beispielsweise durch Auswahl geeigneter Materialien für die Greiferblöcke und/oder den Führungskanal, um geeignete Reibungskoeffizienten zu erzielen, beispielsweise Ausbildung der Greiferblöcke 1, 2 aus einem selbst-schmierenden Plastik oder Nylon ®. Other embodiments can have gripper blocks without rolling elements in the common Guide 11 be, for example, by selecting suitable materials for the Gripper blocks and / or the guide channel in order to find suitable coefficients of friction achieve, for example training the gripper blocks 1, 2 from a self-lubricating Plastic or nylon ®.

TEILELISTEPARTS LIST

11
erster Greiferblockfirst gripper block
22nd
zweiter Greiferblocksecond gripper block
33rd
erstes Förderkabelfirst conveyor cable
44th
zweites Förderkabelsecond conveyor cable
55
erstes Greiferelementfirst gripper element
66
zweites Greiferelementsecond gripper element
77
erstes Exemplarfirst copy
88th
zweites Exemplarsecond copy
99
FördererantriebConveyor drive
1010th
FördererantriebConveyor drive
1111
FührungskanalGuide channel
1212th
RollkörperRolling element
1313
RastbefestigungSnap fastening
1414
RastbefestigungSnap fastening
1515
zweite Ausnehmung erster Blocksecond recess first block
1616
zweite Ausnehmung zweiter Blocksecond recess second block
1717th
erste Ausnehmung erster Blockfirst recess first block
1818th
erste Ausnehmung zweiter Blockfirst recess second block
100100
VerlangsamungseinrichtungSlowdown device
130130
erster Betätigungsstiftfirst actuating pin
130.1130.1
Gehäusecasing
130.2130.2
erster Supportfirst support
130.3130.3
Federfeather
130.4130.4
Stangepole
130.5130.5
oberer Supporttop support
140140
Federfeather
150150
GreiferkopfGripper head
190190
Support Support
200200
DrehachseAxis of rotation
220220
stationärer Teilstationary part
230230
beweglicher Teilmoving part
270270
FördereinrichtungConveyor
340340
BetätigungsvorrichtungActuator
13001300
zweiter Betätigungsstiftsecond actuating pin

Claims (9)

  1. Gripper device for gripping flat products having gripper elements (5, 6) attached to gripper blocks (1, 2),
    characterized in
    that the gripper blocks (1, 2) have a first part comprising a first recess (17, 18) for receiving a conveyor cable (3, 4) and for connecting the first part with the conveyor cable (3, 4);
    that the gripper blocks (1, 2) have a second part comprising a second recess (15, 16) for receiving a second conveyor cable (4, 3) that can leave the second recess (15, 16).
  2. Gripper device according to Claim 1,
    characterized in
    that the first part of the gripper blocks (1, 2) has a respective detent locking mechanism (13, 14), by means of which the first part is releasably connected to the respective conveyor cable (3, 4).
  3. Gripper device according to Claim 1,
    characterized in
    that a gripper element (5) is provided at the first part of the gripper blocks (1).
  4. Gripper device according to Claim 1,
    characterized in
    that gripper elements (6) are provided at the second part of the gripper blocks (2).
  5. Gripper device according to Claim 1,
    characterized in
    that the first and second parts form a uniform gripper block (1, 2).
  6. Device for separating a stream of flat products, preferably printed products, having a first conveyor drive (9) for driving a first conveyor cable (3) along a first conveyor path, a second conveyor drive (10) for driving a second conveyor cable (4) along a second conveyor path, the second conveyor path being located adjacent to the first conveyor path and both conveyor paths having at least one section in common, and a number of first gripper blocks (1) with a first gripper element (5), the first gripper blocks (1) being attached to the first conveyor cable (3), and a number of second gripper blocks (2) with a second gripper element (6), the second gripper blocks (2) being attached to the second conveyor cable (4),
    characterized in that
    each of the first gripper blocks (1) has a first part and a second part, the first part comprising a first recess (17) for receiving and connecting the first conveyor cable (3), and the second part comprising a second recess (15) in which the second conveyor cable (4) runs along the common path and which it can leave thereafter;
    each of the second gripper blocks (2) has a first part and a second part, the first part of each of the second gripper blocks (2) comprising a first recess (18) for receiving and connecting the second conveyor cable (4) and the second part comprising a second recess (16) in which the first conveyor cable (3) runs along the common portion and which it can leave thereafter.
  7. Device according to Claim 6,
    characterized in
    that the first part of at least one of the first gripper blocks (1) comprises a first detent locking mechanism (13), by means of which the first part is releasably attached to the first conveyor cable (3) and that the first part of at least one of the second gripper blocks (2) comprises a second detent locking mechanism (4), by means of which the first part of the second gripper blocks (2) is attached to the second conveyor cable (4).
  8. Method for separating a stream of flat products, preferably printed products, into two separate streams, wherein
    a number of first products (7) is gripped by first gripper elements (5) which are received at first gripper blocks (1) arranged at a first gripper cable (3),
    a number of second products (8) is gripped by second gripper elements (6) which are received at second gripper blocks (2) arranged at a second conveyor cable (4),
    the first and second conveyor cables (3, 4) are guided along a common conveyor path during a first period of time and along separate conveyor paths during a second period of time,
    the first and second products (7, 8) are transported along the common conveyor path during the first period of time and along separate conveyor paths during the second period of time,
    characterized in
    that the first conveyor cable (3) is received in recesses provided in a number of second gripper blocks (2) and the second conveyor cable (4) is received in recesses provided in a number of first gripper blocks (1) along the common conveyor path during the first period of time and can leave after the common conveyor path.
  9. Method according to Claim 8,
    characterized in
    that each of the first and second products (7, 8) is released into separate product streams during the second period of time.
EP98112325A 1997-08-13 1998-07-03 Device for dividing signature streams behind a folding apparatus Expired - Lifetime EP0896942B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/914,313 US6062372A (en) 1997-08-13 1997-08-13 Post-folder diverting apparatus using parallel drives
US914313 1997-08-13

Publications (3)

Publication Number Publication Date
EP0896942A2 EP0896942A2 (en) 1999-02-17
EP0896942A3 EP0896942A3 (en) 1999-10-20
EP0896942B1 true EP0896942B1 (en) 2001-05-23

Family

ID=25434183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98112325A Expired - Lifetime EP0896942B1 (en) 1997-08-13 1998-07-03 Device for dividing signature streams behind a folding apparatus

Country Status (3)

Country Link
US (1) US6062372A (en)
EP (1) EP0896942B1 (en)
DE (1) DE59800749D1 (en)

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US5992610A (en) * 1997-08-15 1999-11-30 Heidelberger Druckmashinen Ag Method and device for producing a rotated stream with a corner gripper
EP1063187B1 (en) * 1999-06-23 2003-09-24 Ferag AG Device for withdrawing parts of an overlapping stream
DK1155992T3 (en) 2000-05-17 2006-05-08 Ferag Ag Method and apparatus for dividing a transport stream of general cargo
DK1277685T3 (en) * 2001-07-18 2006-01-23 Ferag Ag Method and device for transforming a stream of flat objects
US7784602B2 (en) * 2005-07-29 2010-08-31 Ferag Ag Conveying system
US8002257B2 (en) * 2009-02-06 2011-08-23 Goss International Americas, Inc. Web conversion and collating apparatus and method
US8020845B2 (en) * 2009-02-06 2011-09-20 Goss International Americas, Inc. Single level web conversion apparatus and method
US7963515B2 (en) * 2009-02-06 2011-06-21 Goss International Americas, Inc. Adjustable delivery web conversion apparatus and method
US8020847B2 (en) * 2009-02-06 2011-09-20 Goss International Americas, Inc. Multiple delivery web conversion apparatus and method of producing and delivering variable printed products

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US2325862A (en) * 1941-04-07 1943-08-03 Jepson Percy Multiple loading track or conveyer for fruit or vegetables
US3390508A (en) * 1964-08-25 1968-07-02 Winkler Fallert & Co Maschf Apparatus for the interlaced packaging of folded printed matter
US3339701A (en) * 1966-10-03 1967-09-05 R A Jones & Company Inc Phase conversion conveyor system
US3635322A (en) * 1970-02-24 1972-01-18 Emhart Corp Conveyor system for dividing a line of articles into several discrete lanes
CH546197A (en) * 1971-09-14 1974-02-28 Fehr & Reist Ag REVERSIBLE CONVEYORS FOR AREAS, IN PARTICULAR PRINTED PRODUCTS.
CH610276A5 (en) * 1975-05-20 1979-04-12 Ferag Ag
CH655488B (en) * 1982-03-11 1986-04-30
US4678172A (en) * 1985-12-27 1987-07-07 Custom-Bilt Machinery, Inc. High speed on-line reshingling of printed products
CH680285A5 (en) * 1987-10-02 1992-07-31 Ferag Ag
US5007624A (en) * 1989-05-25 1991-04-16 Am International Incorporated Sheet material handling apparatus and method
DE59306763D1 (en) * 1992-04-27 1997-07-24 Ferag Ag Active interface for a shingled stream of printed products
ES2099502T3 (en) * 1993-07-07 1997-05-16 Ferag Ag ENDLESS CIRCUIT TRANSPORTATION DEVICE FOR LOOSE OBJECTS WITH INDIVIDUAL TRANSPORTATION ELEMENTS.
US5452886A (en) * 1993-08-09 1995-09-26 Heidelberger Druckmaschinen Ag Device for slowing down signatures in a folding machine
US5740900A (en) * 1995-07-20 1998-04-21 Heidelberger Druckmaschinen Ag Apparatus for splitting a product stream
DE19629051A1 (en) * 1996-07-18 1998-01-22 Gaemmerler Hagen Conveyor system with gripper clips

Also Published As

Publication number Publication date
EP0896942A3 (en) 1999-10-20
US6062372A (en) 2000-05-16
EP0896942A2 (en) 1999-02-17
DE59800749D1 (en) 2001-06-28

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