EP0242865B1 - Device for changing the conveying direction of paper produce - Google Patents

Device for changing the conveying direction of paper produce Download PDF

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Publication number
EP0242865B1
EP0242865B1 EP87105888A EP87105888A EP0242865B1 EP 0242865 B1 EP0242865 B1 EP 0242865B1 EP 87105888 A EP87105888 A EP 87105888A EP 87105888 A EP87105888 A EP 87105888A EP 0242865 B1 EP0242865 B1 EP 0242865B1
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EP
European Patent Office
Prior art keywords
distinguished
fact
per
conveyor
manipulator
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EP87105888A
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German (de)
French (fr)
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EP0242865A1 (en
Inventor
Gunter Gämmerler
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Individual
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Individual
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Priority to AT87105888T priority Critical patent/ATE47704T1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/36—Article guides or smoothers, e.g. movable in operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H15/00—Overturning articles
    • B65H15/008—Overturning articles employing belts
    • B65H15/012—Overturning articles employing belts twisted belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/34—Modifying, selecting, changing direction of displacement
    • B65H2301/342—Modifying, selecting, changing direction of displacement with change of plane of displacement
    • B65H2301/3423—Modifying, selecting, changing direction of displacement with change of plane of displacement by travelling an angled curved path section for overturning and changing feeding direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip

Definitions

  • the invention relates to a device for changing the conveying direction of bendable paper products or the like, which are brought up in a product stream, in particular scale-like at least two layers of paper products lying on top of one another, with a turning device which deflects angularly in a positive guide in the form of a screw thread.
  • a turning device which deflects angularly in a positive guide in the form of a screw thread.
  • Such a device has become known from DE-B-2 529 103.
  • Reversible conveyor known in which the isolated paper products are advanced by holders on a chain drive and conveyed away in any other direction.
  • the present invention has for its object to provide a way to redirect the formation of the paper products unchanged in another direction and, if necessary, to turn the individual paper products.
  • the device which may be in the form of an independent unit, can either replace deflection devices of known type in existing systems or can also be used for a new installation, e.g. a rotary cutting system.
  • the guide consists of a bead, a correspondingly curved rail, bar or the like. or has the latter and the conveyor belt runs parallel to the guide.
  • the guide can consist of separate, helical rollers, rollers or the like protruding from a stationary cylinder with their axes. consist.
  • At least one conveyor belt on its side facing away from the product with projections, lateral borders or the like.
  • the conveyor belt guide designed accordingly and at least one conveyor belt designed as an endless conveyor.
  • the cylinder preferably has holes for the rotatable reception of holders for the rollers or the like or the like. on.
  • the conveyor belt, the rollers, rollers or the bead can be a maximum of 15 cm wide; there can be lateral strips, guides or the like in a feed conveyor upstream of the turner. be provided for the product stream.
  • the angle of the helical guide between the feed and discharge conveyor is expediently twice as large as the angle between the longitudinal axis of the cylinder and the feeder.
  • the device according to the invention can also be supplemented in such a way that a reverser with a formation-fixed clamping of the product stream is connected downstream of the turner.
  • the user can have two conveyor belts running parallel at least in the area of contact with the product stream.
  • the paper products are largely held in a stable or formation-stable manner, so that the paper products leaving the re-user take exactly the same position in relation to their position and the respective distance to the neighboring paper products as in front of the feed conveyor.
  • At least one conveyor belt and / or the guide consisting of rollers or rollers or having this can be driven.
  • the return device is designed as an overhead conveyor.
  • the return conveyor can be arranged above the turner. In this way, not only is a particularly space-saving device obtained, but it is also possible to manufacture the turner in a modular manner and to connect the return device, which is likewise designed as an automatic module, to this module.
  • a turning device 2 is arranged after a feed conveyor 1, followed by the return device 3 and the removal conveyor 4.
  • the isolated paper product 5 shown in the exemplary embodiment is shown as a once-folded double page and is brought up in the direction of the arrow 6 and conveyed away in the direction of the arrow 7.
  • the intermediate turning and turning back of the paper product is described in more detail below; however, the paper product takes on exactly the same position in relation to the conveying direction and the neighboring paper products - be it isolated or in the form of scales - as in the feed conveyor after leaving the removal conveyor.
  • the feed conveyor 1 consists, for example, of two rollers 10, 11 which are connected to one another by four endless conveyor belts 12, 13, 14 and 15. Any side guides, strips or the like that are set to the width of the delivered paper products. are not shown.
  • the axis 16 of the turning device or the turning device 16 ′ runs at an angle of 45 ° to the feed conveyor axis.
  • the turner 16 ' consists of a cylinder which is firmly connected to the frame of the module and on which the rollers 20 shown in more detail in FIG. 4 are arranged.
  • a total of eight rollers 20 are provided, which are distributed in a cylindrical shape by 180 degrees of arc angle with respect to the turning axis 16 of the turning device 16 '. While the axis of the first roller 20 runs perpendicular to the feed direction 6, the axis of the eighth feed roller 20 runs perpendicular to the discharge axis 7.
  • the first roller 20 lies on the side of the turner 16 ′ facing the viewer, while the last roller 20 is arranged on the opposite side.
  • the intermediate six rollers 20 are distributed over the circumference of the cylinder 16 so that they create a helical connection between the first and last roller.
  • the rollers 20 are designed to run freely and are rotatably mounted in U-shaped holders 21.
  • the U-shaped holders each have a pin-shaped extension 22, which are each held in a corresponding hole 23 in the cylindrical turner 16 'by a locking screw 24; the locking screw 24 enables the holder 21 to be rotated in order to adapt it to the required guidance of a conveyor belt in the form of a screw thread.
  • the screw thread shape is indicated in Fig.
  • the paper product delivered by the feed conveyor is held in the area of the turning device 2 between two parallel conveyor belts in the width of the rollers 20, so that the individual paper products can be turned without changing their formation or their position and can be conveyed away in the direction of arrow 30; they can then be turned back by overhead conveying, as described in more detail below, and then, if necessary, fed to another treatment station in the direction of arrow 7.
  • the turning device is used by the positive guidance between the two conveyor belts, which are both driven synchronously, so that the individual products or the scale formation is turned by 180 ° , the individual products lying at the height of arrow 30 with their top down.
  • the eight rollers provided, for example, therefore not only deflect the product flow by 90 ° , but also turn the individual products by 180 ° , so that the underside of the paper products can be treated in an approximately immediately downstream treatment station, for example by applying adhesive , sticking labels or the like, or any overprint on the back is made possible.
  • the two belts run from the first roller 20 together helically to the last roller 20 one above the other, the upper belt 32 being driven by a driven roller 30 above the lower conveyor belt 33 to be described later and the eight rollers 20 runs to rollers 30 ', 30 ", the strip area on this side of the turner 16' being shown in a plan view with dashed lines and the area running over the rollers 20 being indicated by dash-dotted lines.
  • the lower conveyor belt 33 runs from the roller 34 directly over the rollers 20 (dash-dotted) to the reversing roller 31 and back to the roller 34.
  • the two conveyor belts in the area of the rollers 20 are guided directly one above the other, but are so elastic that they adapt to a certain degree to the thickness of the paper products being conveyed - be they single-layer or multi-layer.
  • the return conveyor 3 shown schematically in mirror-image representation in longitudinal section in FIG. 5, has four conveyor belts 40, 41, 42 and 43 which rotate as endless conveyors around the rollers 44 and 45, respectively.
  • the turning axis 16 would have to be changed by 90 ° in adaptation to the return conveyor 3 according to FIG. 5, the arrow direction 30 also correspondingly running in reverse in order to do justice to the cut of the return conveyor according to FIG. 5.
  • the roller 44 is on the right outside and is arranged higher than the roller 45, in the embodiment according to FIG. 5 it is reversed (in mirror image representation).
  • two parallel conveyor belts 50, 51 are provided, the upper conveyor belt 50 being guided around a deflecting roller 52, an outer upper roller 53 and a lower roller 54, and the roller 44.
  • the upper conveyor belt with the corresponding lower conveyor belt runs around the rollers 55, 56, 57, 58 and 59 and then back again to the deflection roller 52.
  • the lower conveyor belt 51 also runs, and in this case directly, on the rollers 55 to 59, the roller 55 being designed as a reversing roller.
  • the conveyor belt 51 then runs over the further reversing roller 60 to the roller 61 and to the driven reversing roller 62.
  • the two conveyor belts can consist of individual narrow conveyor belt strips; the conveyor belt strips - e.g. five in number - would have to be arranged so that they run in pairs in the area of the clamping of the individual products.
  • the return conveyor can be designed as an independent module or as an independent unit and can be used together with the turning device described above.
  • the individual products are fed in the direction of arrow 70 and conveyed away in the direction of arrow 71.
  • the arrow direction 30 corresponds to the arrow 70 in FIG. 5, while the arrow 71 should run in the opposite direction.
  • the deflecting rollers 44 and 52 to 60 would not have to be arranged on the left, as shown in FIG. 5, but on the right side of the drawing, i.e. above the conveyor belts 40 to 43. Because the removal, as shown in FIG. 1, would take place in the direction 7, the latter runs above the turner 16 or 16 'and is thus accommodated in a space-saving manner.
  • the helical positive guidance - in the embodiment shown, the rollers and the two conveyor belts are distributed over an arc angle of 180 ° in the turning area, which corresponds to a turning of the individual products from the top to the bottom.
  • more rollers can be provided and the turn of the products can be made larger or smaller by changing the arc angle of the positive guide.
  • the angle which the turning axis 16 forms with the feed conveyor or the feed direction 6 can be variable, as a result of which the corresponding discharge direction is changed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

In an apparatus for changing the conveying direction of bendable paper products brought up continously in formation said products are clamped in a constraining guide in fixed formation, turned at least partially helically and led at an angle to the feed direction.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Verändern der Förderrichtung von in einem Produktstrom herangeführten, biegefähigen Papierprodukten o.dgl., insbesondere schuppenförmig mindestens zweilagig aufeinanderliegenden Papierprodukten, mit einem letztere in einer Zwangsführung in Schraubengangform winkelig umlenkenden Wender. Eine derartige Vorrichtung ist durch die DE-B-2 529 103 bekanntgeworden. Es sind auch zahlreiche andere Vorrichtungen zum Umlenken des Produktstroms in eine z.B. rechtwinklig zur Zuführrichtung gerichtete Richtung bekannt, die aus einzelnen Stangen, gegebenenfalls mit Saugnäpfen bestehen und die z.B. schuppenförmige Formationen von Papierprodukten in rechtem Winkel abfördern. Die Papierprodukte werden somit in bezug auf die Förderachse um 90° verdreht.The invention relates to a device for changing the conveying direction of bendable paper products or the like, which are brought up in a product stream, in particular scale-like at least two layers of paper products lying on top of one another, with a turning device which deflects angularly in a positive guide in the form of a screw thread. Such a device has become known from DE-B-2 529 103. There are also numerous other devices for diverting the product stream into e.g. known direction perpendicular to the feed direction, which consist of individual rods, optionally with suction cups and which e.g. Convey scale-like formations of paper products at a right angle. The paper products are thus rotated by 90 ° with respect to the conveyor axis.

Es sind auch sogen. Wendeförderer bekannt, bei denen die vereinzelten Papierprodukte durch Halter an einem Kettentrieb vorgeschoben und in eine beliebige andere Richtung weggefördert werden.There are also so-called Reversible conveyor known in which the isolated paper products are advanced by holders on a chain drive and conveyed away in any other direction.

In allen diesen Fällen wird entweder die Formation der Papierprodukte - sei es daß sie einzeln oder in Schuppenform angefördert werden - verändert, oder zumindest werden die Toleranzen der einzelnen Schuppen oder auch die Abstände der einzelnen Papierprodukte innerhalb großer Toleranzen abgeändert; auch ein gewisses Verkanten der einzelnen Papierprodukte bei einer Ablage derselben vom Kettenförderer ist nicht auszuschließen.In all these cases, either the formation of the paper products - be it that they are conveyed individually or in the form of scales - is changed, or at least the tolerances of the individual scales or the distances between the individual paper products are changed within large tolerances; A certain tilting of the individual paper products when the chain conveyor deposits them cannot be ruled out.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Möglichkeit zu schaffen, die Formation der Papierprodukte unverändert in eine andere Richtung umzulenken und dabei gegebenenfalls die einzelnen Papierprodukte zu wenden.The present invention has for its object to provide a way to redirect the formation of the paper products unchanged in another direction and, if necessary, to turn the individual paper products.

Diese Aufgabe wird durch die im Kennzeichenteil des Anspruchs 1 angegebenen Merkmale gelöst. Durch die normalerweise um 180° vorgenommene Wendung der Produkte, sei es in Schuppenformation oder sei es in vereinzelter Formation, ist die Möglichkeit gegeben, die Rückseite der Einzelprodukte zu behandeln, z.B. mit Klebstoff, Etiketten o.dgl. zu versehen, oder auch gegebenenfalls nach der Anordnung eines Rückwenders Formationen in derselben Form weiterlaufen zu lassen, in der die Produkte vom Zuförderer angeliefert worden sind; die Richtung der einzelnen Papierprodukte in bezug auf die Förderachse wird hierbei nicht verändert. Durch die Einspannung in der Zwangsführung werden die Papierprodukte bei der Führung um die Wendeachse so fest gehalten, daß die Formationsfestigkeit gewährleistet ist.This object is achieved by the features specified in the characterizing part of claim 1. Due to the fact that the products are usually turned through 180 ° , be it in scale formation or in isolated form, it is possible to treat the back of the individual products, for example with adhesive, labels or the like. to be provided or, if necessary, to have formations continue to run in the same form in which the products were delivered by the feeder after the order of a returning party; the direction of the individual paper products with respect to the conveying axis is not changed. Due to the clamping in the positive guidance, the paper products are held so tightly when they are guided around the turning axis that the formation strength is guaranteed.

Die gegebenenfalls als selbständige Einheit ausgebildete Vorrichtung kann entweder in bestehenden Anlagen Umlenkvorrichtungen bekannter Art ersetzen oder auch bei einer Neuaufstellung, z.B. einer Rotationsschneidanlage, Verwendung finden.The device, which may be in the form of an independent unit, can either replace deflection devices of known type in existing systems or can also be used for a new installation, e.g. a rotary cutting system.

Nach einer bevorzugten Ausführungsform besteht die Führung aus einem Wulst, einer entsprechend gebogenen Schiene, Leiste o.dgl. oder weist letztere auf und verläuft das Förderband parallel zur Führung. Die Führung kann aus getrennten, schraubengangförmig von einem ortsfesten Zylinder mit ihren Achsen abstehenden Rollen, Walzen o.dgl. bestehen.According to a preferred embodiment, the guide consists of a bead, a correspondingly curved rail, bar or the like. or has the latter and the conveyor belt runs parallel to the guide. The guide can consist of separate, helical rollers, rollers or the like protruding from a stationary cylinder with their axes. consist.

Bei allen Ausführungsformen sind mindestens ein Förderband oder die Rollen, Walzen o.dgl. angetrieben.In all embodiments, at least one conveyor belt or the rollers, rollers or the like. driven.

Zweckmäßigerweise sind mindestens ein Förderband an seiner produktabgekehrten Seite mit Vorsprüngen, seitlichen Einfassungen o.dgl. versehen, die Förderbandführung entsprechend ausgebildet und mindestens ein Förderband als Endlosförderer ausgebildet.Advantageously, at least one conveyor belt on its side facing away from the product with projections, lateral borders or the like. provided, the conveyor belt guide designed accordingly and at least one conveyor belt designed as an endless conveyor.

Durch die Verwendung von zwei Förderbändern oder auch anders ausgebildeten, gegebenenfalls elastischen Widerlagern, ist die Möglichkeit gegeben, insbesondere einlagige Papierprodukte, z.B. in Schuppenformation, ohne mechanische Veränderungen an der Vorrichtung vorzunehmen, zu transportieren.Through the use of two conveyor belts or other, possibly elastic abutments, there is the possibility of, in particular, single-layer paper products, e.g. in scale formation, without making mechanical changes to the device.

Der Zylinder weist bevorzugterweise Löcher zur drehbaren Aufnahme von Haltern für die Rollen oder Walzen o.dgl. auf. Das Förderband, die Rollen, Walzen oder der Wulst können höchstens 15 cm breit sein; es können in einem dem Wender vorgeschalteten Zuförderer seitliche Leisten, Führungen o.dgl. für den Produktstrom vorgesehen sein.The cylinder preferably has holes for the rotatable reception of holders for the rollers or the like or the like. on. The conveyor belt, the rollers, rollers or the bead can be a maximum of 15 cm wide; there can be lateral strips, guides or the like in a feed conveyor upstream of the turner. be provided for the product stream.

Der Winkel der schraubengangförmigen Führung zwischen dem Zu- und Abförderer ist zweckmäßigerweise doppelt so groß wie der Winkel zwischen der Längsachse des Zylinders und dem Zuführer.The angle of the helical guide between the feed and discharge conveyor is expediently twice as large as the angle between the longitudinal axis of the cylinder and the feeder.

Die erfindungsgemäße Vorrichtung kann auch dahingehend ergänzt werden, daß dem Wender ein Rückwender mit einer formationsfesten Einspannung des Produktstromes nachgeschaltet ist.The device according to the invention can also be supplemented in such a way that a reverser with a formation-fixed clamping of the product stream is connected downstream of the turner.

Der Rückwender kann zwei mindestens im Berührungsbereich mit dem Produktstrom parallel verlaufende Förderbänder aufweisen. Auch in diesem Fall werden die Papierprodukte weitgehend lagefest oder formationsfest gehalten, so daß die den Rückwender verlassenden Papierprodukte in bezug auf ihre Stellung und den jeweiligen Abstand zu den benachbarten Papierprodukten genau dieselbe Lage einnehmen wie vor dem Zuförderer.The user can have two conveyor belts running parallel at least in the area of contact with the product stream. In this case, too, the paper products are largely held in a stable or formation-stable manner, so that the paper products leaving the re-user take exactly the same position in relation to their position and the respective distance to the neighboring paper products as in front of the feed conveyor.

Mindestens ein Förderband und/oder die aus Rollen oder Walzen bestehende oder diese aufweisende Führung kann angetrieben sein.At least one conveyor belt and / or the guide consisting of rollers or rollers or having this can be driven.

Nach einer besonders zweckmäßigen Ausführungsform ist der Rückwender als Überkopfförderer ausgebildet. Der Abförderer des Rückwenders kann dabei über dem Wender angeordnet sein. Auf diese Weise wird nicht nur eine besonders raumsparende Vorrichtung erhalten, sondern es ist auch möglich, den Wender modulmäßig herzustellen und an dieses Modul den ebenfalls als selbsttätiges Modul ausgebildeten Rückwender anzuschließen.According to a particularly expedient embodiment, the return device is designed as an overhead conveyor. The return conveyor can be arranged above the turner. In this way, not only is a particularly space-saving device obtained, but it is also possible to manufacture the turner in a modular manner and to connect the return device, which is likewise designed as an automatic module, to this module.

Auf der Zeichnung ist eine beispielsweise Ausführungsform der Erfindung in Verbindung mit einer Zusatzvorrichtung dargestellt; sie wird nachfolgend näher beschrieben.In the drawing, an example embodiment of the invention is shown in connection with an additional device; it is described in more detail below.

Es zeigt:

  • Fig. 1 eine Prinzipskizze der erfindungsgemäßen Vorrichtung mit Zusatzvorrichtung,
  • Fig. 2 eine Draufsicht auf die erfindungsgemäße Vorrichtung in schematischer Darstellung,
  • Fig. 3 ein Detail der in Fig.2 dargestellten Ausführungsform der Erfindung,
  • Fig. 4 ein weiteres Detail und
  • Fig. 5 einen Längsschnitt durch die Zusatzvorrichtung in spiegelbildgleicher und schematischer Darstellung.
It shows:
  • 1 is a schematic diagram of the device according to the invention with additional device,
  • 2 is a plan view of the device according to the invention in a schematic representation,
  • 3 shows a detail of the embodiment of the invention shown in FIG. 2,
  • Fig. 4 shows another detail and
  • Fig. 5 shows a longitudinal section through the additional device in mirror image and schematic representation.

Nach einem Zuförderer 1 ist eine Wendevorrichtung 2 angeordnet, auf welche der Rückwender 3 und der Abförderer 4 folgt. Das beim Ausführungsbeispiel dargestellte vereinzelte Papierprodukt 5 ist als einmal gefalzte Doppelseite dargestellt und wird in Pfeilrichtung 6 herangeführt und in Pfeilrichtung 7 weggefördert. Die dazwischenliegende Wendung und Rückwendung des Papierproduktes wird nachfolgend näher beschrieben; das Papierprodukt nimmt jedoch nach Verlassen des Abförderers genau die gleiche Lage in Bezug auf die Förderrichtung und die benachbarten Papierprodukte - sei es vereinzelt oder sei es in Schuppenform - ein wie im Zuförderer.A turning device 2 is arranged after a feed conveyor 1, followed by the return device 3 and the removal conveyor 4. The isolated paper product 5 shown in the exemplary embodiment is shown as a once-folded double page and is brought up in the direction of the arrow 6 and conveyed away in the direction of the arrow 7. The intermediate turning and turning back of the paper product is described in more detail below; however, the paper product takes on exactly the same position in relation to the conveying direction and the neighboring paper products - be it isolated or in the form of scales - as in the feed conveyor after leaving the removal conveyor.

Der Zuförderer 1 besteht beispielsweise aus zwei Walzen 10, 11, die durch vier endlose Förderbänder 12, 13, 14 und 15 miteinander verbunden sind. Etwaige auf die Breite der angelieferten Papierprodukte abgestellte seitliche Führungen, Leisten o.dgl. sind nicht dargestellt.The feed conveyor 1 consists, for example, of two rollers 10, 11 which are connected to one another by four endless conveyor belts 12, 13, 14 and 15. Any side guides, strips or the like that are set to the width of the delivered paper products. are not shown.

In einem Winkel von 45° zur Zufördererachse verläuft die Achse 16 der Wendevorrichtung bzw. des Wenders 16'.The axis 16 of the turning device or the turning device 16 ′ runs at an angle of 45 ° to the feed conveyor axis.

Der Wender 16' besteht bei der dargestellten Ausführungsform aus einem fest mit dem Rahmen des Moduls verbundenen Zylinder, auf welchem die näher in Fig. 4 dargestellten Rollen 20 angeordnet sind.In the embodiment shown, the turner 16 'consists of a cylinder which is firmly connected to the frame of the module and on which the rollers 20 shown in more detail in FIG. 4 are arranged.

Bei der dargestellten Ausführungsform sind insgesamt acht Rollen 20 vorgesehen, die sich in bezug auf die Wendeachse 16 des Wenders 16' in Zylinderform um 180 Bogenwinkelgrade verteilen. Während die Achse der ersten Rolle 20 senkrecht zur Zufördererrichtung 6 verläuft, verläuft die Achse der achten Zufördererrolle 20 senkrecht zur Abfördererachse 7.In the embodiment shown, a total of eight rollers 20 are provided, which are distributed in a cylindrical shape by 180 degrees of arc angle with respect to the turning axis 16 of the turning device 16 '. While the axis of the first roller 20 runs perpendicular to the feed direction 6, the axis of the eighth feed roller 20 runs perpendicular to the discharge axis 7.

Unter Berücksichtigung der Darstellung in Fig. 2 liegt die erste Rolle 20 an der dem Beschauer zugekehrten Seite des Wenders 16', während die letzte Rolle 20 auf der abgekehrten Seite angeordnet ist. Die dazwischenliegenden sechs Rollen 20 sind so über den Umfang des Zylinders 16 verteilt, daß sie eine schraubengangförmige Verbindung zwischen der ersten und letzten Rolle herstellen. Die Rollen 20 sind bei der dargestellten Ausführungsform freilaufend ausgebildet und in U-förmigen Haltern 21 drehbar gelagert. Die U-förmigen Halter weisen je eine stiftförmige Verlängerung 22 auf, die je in einem entsprechenden Loch 23 im zylindrischen Wender 16' durch eine Arretierschraube 24 gehalten sind; die Arretierschraube 24 ermöglicht eine Drehung der Halterung 21, um diese der erforderlichen Führung eines Förderbands in Schraubengangform anzupassen. Die Schraubengangform ist in Fig. 1 mit den beiden Linien 25, 26 angedeutet. Das durch den Zuförderer angelieferte Papierprodukt wird im Bereich der Wendevorrichtung 2 zwischen zwei parallel laufenden Förderbändern in der Breite der Rollen 20 eingespannt gehalten, so daß die einzelnen Papierprodukte ohne ihre Formation oder ihre Lage zu verändern gewendet und in Richtung des Pfeiles 30 weggefördert werden können; sie können dann wie nachfolgend näher beschrieben durch eine Überkopfförderung zurückgewendet und dann in Pfeilrichtung 7 ggf. einer weiteren Behandlungsstation zugeführt werden.Taking into account the illustration in FIG. 2, the first roller 20 lies on the side of the turner 16 ′ facing the viewer, while the last roller 20 is arranged on the opposite side. The intermediate six rollers 20 are distributed over the circumference of the cylinder 16 so that they create a helical connection between the first and last roller. In the embodiment shown, the rollers 20 are designed to run freely and are rotatably mounted in U-shaped holders 21. The U-shaped holders each have a pin-shaped extension 22, which are each held in a corresponding hole 23 in the cylindrical turner 16 'by a locking screw 24; the locking screw 24 enables the holder 21 to be rotated in order to adapt it to the required guidance of a conveyor belt in the form of a screw thread. The screw thread shape is indicated in Fig. 1 with the two lines 25, 26. The paper product delivered by the feed conveyor is held in the area of the turning device 2 between two parallel conveyor belts in the width of the rollers 20, so that the individual paper products can be turned without changing their formation or their position and can be conveyed away in the direction of arrow 30; they can then be turned back by overhead conveying, as described in more detail below, and then, if necessary, fed to another treatment station in the direction of arrow 7.

Die Wendevorrichtung wird durch die Zwangsführung zwischen den beiden Förderbändern, die z.B. beide synchron angetrieben werden, so verwendet, daß eine Wendung der Einzelprodukte oder der Schuppenformation um 180° erfolgt, wobei die Einzelprodukte auf der Höhe des Pfeiles 30 mit ihrer Oberseite nach unten liegen.The turning device is used by the positive guidance between the two conveyor belts, which are both driven synchronously, so that the individual products or the scale formation is turned by 180 ° , the individual products lying at the height of arrow 30 with their top down.

Die beispielsweise vorgesehenen acht Rollen bewirken also nicht nur eine Umlenkung des Produktstroms um 90°, sondern auch eine Umwendung der Einzelprodukte jeweils um 180°, so daß in einer etwa unmittelbar nachgeschalteten Behandlungsstation die Unterseite der Papierprodukte behandelt werden kann, z.B. daß ein Auftragen von Klebstoff, ein Aufkleben von Etiketten o.dgl., oder auch ein etwaiger Überdruck auf der Rückseite ermöglicht wird.The eight rollers provided, for example, therefore not only deflect the product flow by 90 ° , but also turn the individual products by 180 ° , so that the underside of the paper products can be treated in an approximately immediately downstream treatment station, for example by applying adhesive , sticking labels or the like, or any overprint on the back is made possible.

Wie in Fig. 3 schematisiert dargestellt, verlaufen die beiden Bänder von der ersten Rolle 20 schraubengangförmig bis zur letzten Rolle 20 gemeinsam übereinander, wobei das obere Band 32 von einer angetriebenen Walze 30 aus oberhalb des nachher zu beschreibenden unteren Förderbandes 33 und der acht Rollen 20 zu Walzen 30', 30" läuft, wobei der Bandbereich diesseits des Wenders 16' in Draufsicht mit strichierten Linien dargestellt ist und der über die Rollen 20 laufende Bereich durch eine Strichpunktierung angedeutet ist.As shown schematically in FIG. 3, the two belts run from the first roller 20 together helically to the last roller 20 one above the other, the upper belt 32 being driven by a driven roller 30 above the lower conveyor belt 33 to be described later and the eight rollers 20 runs to rollers 30 ', 30 ", the strip area on this side of the turner 16' being shown in a plan view with dashed lines and the area running over the rollers 20 being indicated by dash-dotted lines.

Das untere Förderband 33 läuft von der Walze 34 aus unmittelbar über die Rollen 20 (strichpunktiert) zur Umkehrwalze 31 und zurück zur Walze 34.The lower conveyor belt 33 runs from the roller 34 directly over the rollers 20 (dash-dotted) to the reversing roller 31 and back to the roller 34.

Wie bereits bemerkt, sind die beiden Förderbänder im Bereich der Rollen 20 unmittelbar übereinander geführt, jedoch so elastisch, daß sie sich bis zu einem gewissen Grad der Stärke der geförderten Papierprodukte - seien sie einlagig oder auch mehrlagig - anpassen.As already noted, the two conveyor belts in the area of the rollers 20 are guided directly one above the other, but are so elastic that they adapt to a certain degree to the thickness of the paper products being conveyed - be they single-layer or multi-layer.

Der in Fig. 5 in spiegelbildgleicher Darstellung im Längsschnitt schematisch gezeigte Rückförderer 3 hat vier Förderbänder 40, 41, 42 und 43, welche als Endlosförderer um die Walzen 44 bzw. 45 umlaufen.The return conveyor 3, shown schematically in mirror-image representation in longitudinal section in FIG. 5, has four conveyor belts 40, 41, 42 and 43 which rotate as endless conveyors around the rollers 44 and 45, respectively.

Die Wendeachse 16 müßte in Anpassung an den Rückförderer 3 nach Fig. 5 um 90° verändert werden, wobei auch entsprechend die Pfeilrichtung 30 umgekehrt verlaufen würde, um dem Schnitt des Rückförderers nach Fig. 5 gerecht zu werden.The turning axis 16 would have to be changed by 90 ° in adaptation to the return conveyor 3 according to FIG. 5, the arrow direction 30 also correspondingly running in reverse in order to do justice to the cut of the return conveyor according to FIG. 5.

Während bei der Darstellung nach Fig. 2 die Walze 44 rechts außen liegt und höher angeordnet ist als die Walze 45, ist es bei der Ausführungsform nach Fig. 5 (in spiegelbildgleicher Darstellung) umgekehrt.2, the roller 44 is on the right outside and is arranged higher than the roller 45, in the embodiment according to FIG. 5 it is reversed (in mirror image representation).

Auch beim Rückförderer sind zwei parallel laufende Förderbänder 50, 51 vorgesehen, wobei das obere Förderband 50 um eine Umlenkwalze 52, eine äußere obere Walze 53 und eine untere Walze 54 sowie die Walze 44 geführt ist.Also in the return conveyor, two parallel conveyor belts 50, 51 are provided, the upper conveyor belt 50 being guided around a deflecting roller 52, an outer upper roller 53 and a lower roller 54, and the roller 44.

Im Berührungsbereich mit den Papierprodukten verläuft das obere Förderband mit dem entsprechenden unteren Förderband jedoch um die Walzen 55, 56, 57, 58 und 59 und dann wieder zurück zur Umlenkwalze 52.In the area of contact with the paper products, however, the upper conveyor belt with the corresponding lower conveyor belt runs around the rollers 55, 56, 57, 58 and 59 and then back again to the deflection roller 52.

Das untere Förderband 51 verläuft ebenfalls, und in diesem Fall unmittelbar, auf den Walzen 55 bis 59, wobei die Walze 55 als Umkehrwalze ausgebildet ist. Das Förderband 51 läuft dann über die weitere Umkehrwalze 60 zur Walze 61 und zur angetriebenen Umkehrwalze 62.The lower conveyor belt 51 also runs, and in this case directly, on the rollers 55 to 59, the roller 55 being designed as a reversing roller. The conveyor belt 51 then runs over the further reversing roller 60 to the roller 61 and to the driven reversing roller 62.

Die beiden Förderbänder können aus einzelnen schmalen Förderbandstreifen bestehen; die Förderbandstreifen - z.B. fünf an der Zahl - müßten jedoch so angeordnet werden, daß sie jeweils im Bereich der Einspannung der Einzelprodukte paarweise übereinanderlaufen.The two conveyor belts can consist of individual narrow conveyor belt strips; the conveyor belt strips - e.g. five in number - would have to be arranged so that they run in pairs in the area of the clamping of the individual products.

Wie bereits erwähnt, kann der Rückförderer als selbständiges Modul oder als selbständige Einheit ausgebildet sein und zusammen mit der weiter oben beschriebenen Wendevorrichtung Verwendung finden. In diesem Fall werden die Einzelprodukte in Pfeilrichtung 70 zugeführt und in Pfeilrichtung 71 weggefördert.As already mentioned, the return conveyor can be designed as an independent module or as an independent unit and can be used together with the turning device described above. In this case, the individual products are fed in the direction of arrow 70 and conveyed away in the direction of arrow 71.

Bei einem Zusammenbau dieses Moduls mit dem Wender nach Fig. 2 entspricht die Pfeilrichtung 30 dem Pfeil 70 in Fig. 5, während der Pfeil 71 in umgekehrter Richtung verlaufen müßte. Beim Zusammenbau mit der Ausführungsform nach Fig. 2 des Wenders müßten somit die Umlenkwalzen 44 sowie 52 bis 60 nicht, wie in Fig. 5 dargestellt, auf der linken, sondern auf der rechten Seite der Zeichnung angeordnet sein, d.h. oberhalb der Förderbänder 40 bis 43. Dadurch, daß die Abförderung, wie in Fig. 1 dargestellt, in Richtung 7 erfolgen würde, verläuft letztere oberhalb des Wenders 16 bzw. 16' und ist somit raumsparend untergebracht.When this module is assembled with the turner according to FIG. 2, the arrow direction 30 corresponds to the arrow 70 in FIG. 5, while the arrow 71 should run in the opposite direction. When assembled with the embodiment according to FIG. 2 of the turner, the deflecting rollers 44 and 52 to 60 would not have to be arranged on the left, as shown in FIG. 5, but on the right side of the drawing, i.e. above the conveyor belts 40 to 43. Because the removal, as shown in FIG. 1, would take place in the direction 7, the latter runs above the turner 16 or 16 'and is thus accommodated in a space-saving manner.

Die schraubengangförmige Zwangsführung - bei der dargestellten Ausführungsform die Rollen und die beiden Förderbänder sind im Wendebereich iber einen Bogenwinkel von 180° verteilt, was einer Wendung der Einzelprodukte von der Ober- zur Unterseite entspricht. Selbstverständlich können mehr Rollen vorgesehen sein und kann die Wendung der Produkte durch Veränderungen des Bogenwinkels der Zwangsführung größer oder kleiner werden.The helical positive guidance - in the embodiment shown, the rollers and the two conveyor belts are distributed over an arc angle of 180 ° in the turning area, which corresponds to a turning of the individual products from the top to the bottom. Of course, more rollers can be provided and the turn of the products can be made larger or smaller by changing the arc angle of the positive guide.

Der Winkel, den die Wendeachse 16 mit dem Zuförderer bzw. der Zuführrichtung 6 einschließt, kann variabel sein, wodurch die entsprechende Abförderrichtung verändert wird.The angle which the turning axis 16 forms with the feed conveyor or the feed direction 6 can be variable, as a result of which the corresponding discharge direction is changed.

Claims (15)

1. Device for altering direction of conveying of flexible paper products, or the like, fed in a product flow, especially paper products stacked in sheet form at least two rows deep, with a manipulator (16') turning the latter round to a new angle through helical restricted guidance, distinguished by the fact that the manipulator (16') possesses a helical lamellar guide separated from its surface and at least one conveyor belt (32), running in an appropriate direction and holding the product flow shake-free and that the guide and the conveyor belt (32) fix the product flow in the area of the manipulator, approximately central and separated from the surface of the manipulator.
2. Device as per claim 1, distinguished by the fact that the guide consists of a torus, an appropriately bent rail or strip or the like, or possesses the latter, and that the conveyor belt runs parallel to the guide.
3. Device as per claim 1, distinguished by the fact that the guide consists of separate rollers (20), cylinders, or the like, projecting in helical form from a fixed-position cylinder with their spindles.
4. Device as per claim 3, distinguished by the fact that at least one conveyor belt (33) or the rollers (20), cylinders or the like is/are driven.
5. Device as per one or more of claims 1 to 4, distinguished by the fact that at least one conveyor belt (32, 33) is provided with projections, lateral skirts or the like on the side turned away from the product, the conveyor belt guide is correspondingly formed, and at least one conveyor belt (32, 33) takes the form of an endless conveyor belt.
6. Device as per one or more of claims 3 to 5, distinguished by the fact that the cylinder possesses hules (23) for the mounting of slewable bolders (28) for the rollers (20) or cylinders or the like.
7. Device as per one or more of claims 1 to 6, distinguished by the fact that the conveyor belt (32), the rollers (20), cylinders or the like, or the torus, is or are at most 15 cm wide.
8. Device as per one or more claims 1 to 7, distinguished by the fact that side rails, guides or the like are provided for the product flow in a feed conveyor lined up with the manipulator (16').
9. Device as per one or more of claims 1 to 8, distinguished by the fact that the angle of the helical guide between the feed conveyor (1) and the removal conveyor (3) is twice as large as the angle between the longitudinal axis (16) of the cylinder and the feed conveyor (1).
10. Device as per one or more of claims 1 to 10, distinguished by the fact that a reverse manipulator (4) with a rigid system for fixing the product flow is added after the manipulator (16').
11. Device as per claim 10, distinguished by the fact that the reverse manipulator (4) possesses two conveyor belts (50, 51) 3 running parallel with the product flow, at least in the contact area.
12. Device as per claim 10 or 11, distinguished by the fact that the two conveyor belts (50, 51) of the reverse manipulator (4) are guided by at least three cylinders each (52, 53, 54, 44; 52-62)
13. Device as per one or more of claims 1 to 12, distinguished by the fact that at least one conveyor belt (32, 33, 50, 51) and/or the guide consisting of rollers (20) or cylinders or possessing these is or are driven.
14. Device as per one or more of claims 1 to 13, distinguished by the fact that the reverse manipulator (4) takes the form of an overhead conveyor.
15. Device as per claim 14, distinguished by the fact that the removal conveyor of the reverse manipulator (4) is mounted above the manipulator (16').
EP87105888A 1986-04-25 1987-04-22 Device for changing the conveying direction of paper produce Expired EP0242865B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87105888T ATE47704T1 (en) 1986-04-25 1987-04-22 DEVICE FOR CHANGING THE CONVEYING DIRECTION OF PAPER PRODUCTS OR THE LIKE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863614103 DE3614103A1 (en) 1986-04-25 1986-04-25 DEVICE FOR CHANGING THE DIRECTION OF PAPER PRODUCTS OR THE LIKE.
DE3614103 1986-04-25

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EP0242865A1 EP0242865A1 (en) 1987-10-28
EP0242865B1 true EP0242865B1 (en) 1989-11-02

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US (1) US4844442A (en)
EP (1) EP0242865B1 (en)
JP (1) JPS62264157A (en)
AT (1) ATE47704T1 (en)
DE (1) DE3614103A1 (en)

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Also Published As

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EP0242865A1 (en) 1987-10-28
US4844442A (en) 1989-07-04
ATE47704T1 (en) 1989-11-15
DE3614103A1 (en) 1987-10-29
JPS62264157A (en) 1987-11-17

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