EP0182967B1 - Device for erecting folded cartons - Google Patents

Device for erecting folded cartons Download PDF

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Publication number
EP0182967B1
EP0182967B1 EP85108509A EP85108509A EP0182967B1 EP 0182967 B1 EP0182967 B1 EP 0182967B1 EP 85108509 A EP85108509 A EP 85108509A EP 85108509 A EP85108509 A EP 85108509A EP 0182967 B1 EP0182967 B1 EP 0182967B1
Authority
EP
European Patent Office
Prior art keywords
folding
magazine
gripping arm
discharge path
boxes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85108509A
Other languages
German (de)
French (fr)
Other versions
EP0182967A2 (en
EP0182967A3 (en
Inventor
Heinz Focke
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP0182967A2 publication Critical patent/EP0182967A2/en
Publication of EP0182967A3 publication Critical patent/EP0182967A3/en
Application granted granted Critical
Publication of EP0182967B1 publication Critical patent/EP0182967B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/30—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/76—Opening and distending flattened articles
    • B31B50/80—Pneumatically

Definitions

  • the invention relates to a device for erecting flat folded folding boxes (corrugated boxes), consisting of front wall, rear wall and side walls, as well as folding flaps connected to this, the folding boxes being removable from a magazine and being removed by a holding element acting on the front wall with suction elements while being erected onto a discharge conveyor are.
  • Such devices are used in packaging technology, in particular for the handling of larger boxes (corrugated boxes). These are prepared for the packaging process to such an extent that the upright walls, namely the front wall, rear wall and side walls, are connected to one another to form a "tube".
  • the folding flaps adjoining the aforementioned cardboard walls protrude laterally.
  • This flat folded structure has to be erected for filling in such a way that the individual cardboard walls are arranged parallel or perpendicular to each other.
  • a special transfer device which consists of a suction holder which grips the front wall of the folding carton. This in turn is attached to a pivotable and transversely movable linkage.
  • the individual folding cartons are transferred through this transfer device to a holding device which is also equipped with a suction holder for gripping the folding carton in the area of the rear wall.
  • a suction holder of a feed device which, after the folding device has been released by the holding device, feeds it to the discharge path.
  • This known device is complex and prone to failure due to the use of different devices for conveying and holding the folding carton. Furthermore, unfolding the carton by sliding along a fixed switch is disadvantageous because it can impair the folding carton, in particular upsetting, grinding marks, etc. The erection of the cardboard is also not so reliable.
  • a device is also already known in which folding cartons are erected by means of two suction cups which are arranged in a corner and act on a top wall and a side wall of the folding carton and are movable relative to one another (DE-OS-2 323 644).
  • the flat folding boxes must be fed along a horizontal conveyor track due to the arrangement of the suction cups. As a result, it is not possible to remove the folding boxes directly from a magazine and to erect them during the removal process.
  • the invention has for its object to further develop and improve a device of the type mentioned in such a way that the folding cartons are reliably unfolded with gentle handling on the one hand and high performance on the other hand.
  • the device should be simple and clear, and therefore less prone to failure.
  • the device according to the invention is characterized in that the folding carton can be removed from the magazine by the holding member (gripping arm) and erected by relative movement relative to at least one other holding member (counter-holder) engaging on another carton wall (side wall).
  • the essence of the invention is therefore that the flat cardboard boxes are removed from a magazine by a holding member (gripper arm) and erected by this in cooperation with a counterholder on the way to storage on the discharge conveyor or another preferably horizontal support surface.
  • the device is therefore very simple in construction.
  • the distances covered by the folding box are extremely short.
  • the gripping arm is designed or mounted in such a way that a complex movement can be carried out.
  • First the gripper arm is pivoted towards the front folding box in the magazine, in particular while moving it upwards.
  • the gripping arm by appropriate movement of the gripping arm, the folding carton with the side wall is brought up to the essentially stationary counter-holder.
  • the gripper arm pivots horizontally, which means that due to the fixing of the side wall on the one hand and entrainment of the front wall on the other hand, the carton is erected and at the same time brought into a position suitable for filling or further transport.
  • the gripper arm is connected to a special gear, which here consists of two differently movable, namely pivotable, links.
  • the one above the discharge conveyor The magazine is designed so that the folding cartons are fed in cycles to the removal side. There, the folding cartons are held releasably on the side, in particular by small holding rollers which can be rotated about an essentially upright axis and each grip the lateral, upright edges of the folding cartons.
  • the device shown is used in connection with a packaging machine or as part of the same.
  • Large-volume packaging in particular corrugated cardboard, is predominantly processed with such devices.
  • folding cartons 10 are produced which are used to hold smaller packs, in the present case to hold so-called cigarette sticks 11.
  • the folding boxes 10 used here consist of front wall 12, rear wall 13, side walls 14 and 15 connecting these to one another, and folding tabs 16 and 17 which laterally protrude from the projecting cardboard walls.
  • the above definition of the cardboard walls is only for the purpose of explanation, but does not specify the construction of the folding boxes.
  • the folding cartons 10 are prepared for processing in the packaging machine in such a way that the (upright) carton walls, namely front wall 12, rear wall 13 and side walls 14, 15 are connected to one another to form a “tube-like” structure (see in particular FIG. 6).
  • the folding carton 10 prepared in this way is folded flat and, as a larger stock 18, is received in a magazine 19.
  • the folding cartons 10 are removed one after the other, namely the folding carton lying in front (on the right in FIG. 1).
  • the magazine 19 consists of a plate-shaped cardboard support 20, which in the present case consists of two profile strips arranged at a distance from one another (FIG. 8).
  • the carton support 20 is slightly inclined downwards in the conveying direction. As a result, the cartons 18 are also slightly inclined forward relative to the vertical.
  • the folding cartons 10 or the supply 18 are detachably held by side stops, such that the folding carton 10 in front can be removed without changing the location of these stops.
  • the stops each consist of two holding rollers 21 and 22, which are mounted on lateral upright support struts 23 and 24 so that they can rotate about vertical or approximately vertical axes.
  • the arrangement of these holding rollers 21, 22 is such that they protrude with a part of their circumferential or circumferential surface into the area of the folding cartons 10 and capture a lateral edge area of the folding carton 10 in each case.
  • the supply 18 of folding cartons 10 is conveyed to the removal side in cycles in the magazine 19, namely in accordance with the removal.
  • 20 conveyor belts 25 are arranged in each case in the area of the strip-shaped cardboard supports, on the upper run 26 of which the folding cartons 10 stand up.
  • the upper run 26 is supported by the associated cardboard support 20. This protrudes with an extension 27 over a front deflection roller 28 of the conveyor belts 25.
  • the cyclical drive of the conveyor belts 25 takes place by a reciprocating swiveling movement of a drive lever 29 which acts on the deflection roller 28.
  • This is equipped with a freewheel gear 20, so that drive movements are transmitted in one direction to the deflection roller 28 and thus to the conveyor belt 25.
  • a case erector 31 is arranged below and in the conveying direction to the front of the magazine 19. In the present case, this is arranged at the beginning of a discharge track 32 for the erected and possibly filled folding boxes 10.
  • the carton erector 31 consists of a first holding member in the form of a gripping arm 33. This is used to grasp the respective front folding carton 10 in the magazine 19, specifically in the region of the front wall 12 facing forward.
  • the gripping arm 33 is spaced apart from one another arranged gripping members in the form of suction cups 34 equipped These are in turn connected to a vacuum source via a common suction channel 35 and a flexible suction line (hose nozzle 36), not shown in detail.
  • the folding box 10 is gripped by the suckers 34 in the region of the front wall 12 in such a way that the folding box is pulled out of the magazine 19 and carried along when the gripping arm 33 is moved accordingly.
  • the gripping arm 33 has the task of transporting the folding box 10 from the magazine 19 to the discharge path 32 and, moreover, of causing the erection in cooperation with another holding member, namely a counter-holder 37.
  • the latter is arranged above the discharge conveyor 32 in such a way that, when the folding carton removed from the magazine 19 is in a corresponding relative position, the (lower) side wall 14 adjacent to the front wall 12 is grasped, likewise by suction cups 38.
  • the counter-holder 37 is arranged in such a way that the suction cups 38 extend in a vertical or approximately vertical plane. When the folding box 10 is fixed to this counter-holder, the associated side wall 14 accordingly extends in the vertical plane.
  • the process of erecting the carton thus takes place in such a way that the side wall 14 is fixed by the upright counter-holder 37, while the remaining part of the folding carton is brought down by an appropriate movement, namely by pivoting the gripping arm 33, and thus in an erected position (see 6 and 7).
  • the (flat) folding carton is first brought into an intermediate position according to FIG. 5 by the gripping arm 33, in which a downward-pointing folding edge 39 between the front wall 12 and the side wall 14 on the solid base, namely on the discharge path 32, gets up.
  • the flat folding carton 32 is directed upright or perpendicular to the discharge track 32.
  • the folding carton lies with the front wall 12 on the discharge conveyor in a manner that is suitable for filling or transport.
  • the folding box 10 can be removed.
  • a chain conveyor is effective in the area of the discharge conveyor 32 and detects the folding box 10 on the back (side wall 14) by a user 40.
  • the folding carton 10 has previously been filled by inserting a corresponding group of cigarette sticks 11 into the laterally open folding carton 10.
  • the gripping arm 33 of which several can be arranged next to one another in the case of correspondingly large or wide folding cartons 10, is moved by a gear mechanism which enables a translatory and a pivoting movement.
  • the gripper arm 33 is moved in the pivoting direction from the starting position according to FIG. 1, in which the suction devices 34 are located in or below the plane of the discharge conveyor 32, in the direction of the arrows 41.
  • the gripper arm 33 is raised somewhat.
  • the gripper arm finally arrives in an essentially upright or inclined take-over position according to FIG. 3, in which the suction devices 34 are attached to the front wall 12 of the folding carton 10 in front.
  • the gripping arm 33 is now brought into the position according to FIG. 4 in a translatory (parallel) movement.
  • the gripping arm 33 and folding box 10 are in a position parallel to that according to FIG. 3, but lowered in such a way that the folding edge 39 receives contact on the base (discharge track 32).
  • the folding carton 10 is moved into an upright position according to FIG. 5 by pivoting and slightly shifting and the side wall 14 is simultaneously brought into contact with the suction cups 38 of the counter-holder 37.
  • the pivoting movement takes place up to the position according to FIG. 4, in which the suction devices 34 lie at a distance below the removal path 32, so that they are off the conveyor wall 12 of the folding box 10 are free.
  • the gripping arm 33 is carried and actuated by two links 42 and 43 designed as two-armed levers. Both links 42 and 43 are assigned to a common pivot bearing, in the present case such that link arms 44 and 45 of link 42 are connected to a main shaft 46, while link arms 47 and 48 are rotatably mounted on this main shaft 46. For this purpose, the link arms 47 and 48 are connected to one another by a rotating sleeve 49 mounted on the main shaft 46.
  • the link arm 44 is connected directly and via a pivot bearing 50 to a lateral extension 51 of the gripping arm 33.
  • the handlebar 43 or the handlebar arm 48 acts on the gripping arm 33 via a handlebar rod 52.
  • the handlebar 52 is connected to the gripping arm 33 in the area of a pivot bearing 53.
  • the pivot bearings 50 and 53 are spaced from one another so that when the links 42 and 43 are actuated differently, a pivoting moment can be transmitted to the gripping arm 33.
  • the link arms 45 and 47 are each connected to actuating rods 54 and 55, which can be actuated in one direction or the other, for example, by cam disks (not shown).
  • any required movement can be transferred to the gripper arm via the above-described gear.
  • the counter-holder 37 can also be moved with a small amplitude in order to allow adjustments to the positions of the folding box 10.
  • the counter-holder 37 is attached laterally to an upright support rod 56 which can be rotated about a vertical axis.
  • a pestle 57 which is driven, for example, by a cam disk or a pressure medium element, rotary movements of the support rod 56 and thus forward and backward movements of the counter-holder 37 are carried out.
  • the discharge conveyor 32 is also hidden in a special way in the present exemplary embodiment, namely it consists of a central hollow profile 58, on the top of which the folding cartons 10 rest.
  • the hollow profile 58 is provided with a recess 59, into which the gripping arm 33 enters when the folding box is set down on the discharge path.
  • Support rails 60 for the laterally projecting folding tabs 16 and 17 are arranged laterally and at a distance from the hollow profile 58.

Landscapes

  • Supplying Of Containers To The Packaging Station (AREA)
  • Making Paper Articles (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Aufrichten von flach zusammengelegten Faltkartons (Wellkartons), bestehend aus Vorderwand, Rückwand und Seitenwänden sowie an dies anschließenden Faltlappen, wobei die Faltkartons einem Magazin entnehmbar und durch ein an der Vorderwand mit Saugorganen angreifendes Halteorgan unter Aufrichten auf eine Abförderbahn absetzbar sind.The invention relates to a device for erecting flat folded folding boxes (corrugated boxes), consisting of front wall, rear wall and side walls, as well as folding flaps connected to this, the folding boxes being removable from a magazine and being removed by a holding element acting on the front wall with suction elements while being erected onto a discharge conveyor are.

Derartige Vorrichtungen kommen in der Verpackungstechnik zum Einsatz, und zwar insbesondere für die Handhabung größerer Kartons (Wellkartons). Diese werden für den Verpackungsvorgang soweit vorbereitet, daß die aufrechten Wände, nämlich Vorderwand, Rückwand und Seitenwände, unter Bildung eines "Schlauchs" miteinander verbunden sind. Die an die vorgenannten Kartonwände anschließenden Faltlappen stehen seitlich ab. Dieses flach zusammengelegte Gebilde muß für die Befüllung aufgerichtet werden, derart, daß die einzelnen Kartonwände parallel bzw. senkrecht zueinander angeordnet sind.Such devices are used in packaging technology, in particular for the handling of larger boxes (corrugated boxes). These are prepared for the packaging process to such an extent that the upright walls, namely the front wall, rear wall and side walls, are connected to one another to form a "tube". The folding flaps adjoining the aforementioned cardboard walls protrude laterally. This flat folded structure has to be erected for filling in such a way that the individual cardboard walls are arranged parallel or perpendicular to each other.

Bei einer bekannten Vorrichtung der eingangs genannten Ausführung (DE-OS-3 207 902) werden die flachliegenden Faltkartons einem Magazin oberhalb der Abförderbahn entnommen. Hierfür ist eine besondere Überführungseinrichtung vorgesehen, die aus einem die Vorderwand des Faltkartons erfassenden Saughalter besteht. Dieser wiederum ist an einem schwenkbar und quer bewegbaren Gestänge angebracht. Die einzelnen Faltkartons werden durch diese Überführungseinrichtung an eine Halteeinrichtung übergeben, die zum Erfassen des Faltkartons im Bereich der Rückwand ebenfalls mit einem Saughalter ausgerüstet ist. Nach Lösen der Überführungseinrichtung von dem Faltkarton wird dessen Vorderseite durch einen Saughalter einer Zuführeinrichtung erfaßt, die nach Freigabe des Faltkartons durch die Halteeinrichtung diesen der Abförderbahn zuführt. Während des Transportes durch die Zuführeinrichtung gleitet eine freie, äußere Kante des Kartons an einer feststehenden Wandung bzw. Weiche entlang, wodurch der Faltkarton aufgerichtet wird.In a known device of the type mentioned at the beginning (DE-OS-3 207 902), the flat-lying folding cartons are removed from a magazine above the discharge conveyor. For this purpose, a special transfer device is provided, which consists of a suction holder which grips the front wall of the folding carton. This in turn is attached to a pivotable and transversely movable linkage. The individual folding cartons are transferred through this transfer device to a holding device which is also equipped with a suction holder for gripping the folding carton in the area of the rear wall. After the transfer device has been detached from the folding carton, the front side thereof is gripped by a suction holder of a feed device which, after the folding device has been released by the holding device, feeds it to the discharge path. During transportation through the feed device, a free, outer edge of the carton slides along a fixed wall or switch, thereby erecting the folding carton.

Diese bekannte Vorrichtung ist durch die Verwendung von unterschiedlichen Einrichtungen zum Fördern und Halten des Faltkartons aufwendig und störanfällig. Des weiteren ist das Auffalten des Kartons durch Entlanggleiten an einer feststehenden Weiche nachteilig, weil dadurch Beeinträchtigungen des Faltkartons, insbesondere Stauchungen, Schleifspuren etc. auftreten können. Auch ist das Aufrichten des Kartons nicht so zuverlässig.This known device is complex and prone to failure due to the use of different devices for conveying and holding the folding carton. Furthermore, unfolding the carton by sliding along a fixed switch is disadvantageous because it can impair the folding carton, in particular upsetting, grinding marks, etc. The erection of the cardboard is also not so reliable.

Bekannt ist auch bereits eine Vorrichtung, bei der Faltkartons durch zwei übereck angeordnete, an einer Oberwand und einer Seitenwand des Faltkartons angreifende und relativ zueinander bewegbare Saughalter aufgerichtet werden (DE-OS-2 323 644). Bei dieser bekannten Vorrichtung müssen jedoch die flachen Faltkartons infolge der Anordnung der Saughalter längs einer horizontalen Förderbahn zugeführt werden. Dadurch ist es nicht möglich, die Faltkartons unmittelbar einem Magazin zu entnehmen und während des Entnahmevorgangs die Aufrichtung zu vollziehen.A device is also already known in which folding cartons are erected by means of two suction cups which are arranged in a corner and act on a top wall and a side wall of the folding carton and are movable relative to one another (DE-OS-2 323 644). In this known device, however, the flat folding boxes must be fed along a horizontal conveyor track due to the arrangement of the suction cups. As a result, it is not possible to remove the folding boxes directly from a magazine and to erect them during the removal process.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art dahingehend weiterzuentwickeln und zu verbessern, daß die Faltkartons bei schonender Behandlung einerseits und hoher Leistung andererseits zuverlässig aufgefaltet werden. Die Vorrichtung soll darüber hinaus einfach und übersichtlich, mithin wenig störanfällig aufgebaut sein.The invention has for its object to further develop and improve a device of the type mentioned in such a way that the folding cartons are reliably unfolded with gentle handling on the one hand and high performance on the other hand. In addition, the device should be simple and clear, and therefore less prone to failure.

Zur Lösung dieser Aufgabe ist die erfindungsgemäße Vorrichtung dadurch gekennzeichnet, daß der Faltkarton durch das Halteorgan (Greifarm) dem Magazin entnehmbar und durch Relativbewegung gegenüber wenigstens einem weiteren an einer anderen Kartonwand (Seitenwand) angreifenden Halteorgan (Gegenhalter) aufrichtbar ist.To achieve this object, the device according to the invention is characterized in that the folding carton can be removed from the magazine by the holding member (gripping arm) and erected by relative movement relative to at least one other holding member (counter-holder) engaging on another carton wall (side wall).

Das Wesen der Erfindung liegt demnach darin, daß die flachen Kartons einem Magazin durch ein Halteorgan (Greifarm) entnommen und durch dieses in Zusammenarbeit mit einem Gegenhalter auf dem Wege zur Ablage auf der Abförderbahn oder einer anderen vorzugsweise horizontalen Auflagefläche aufgerichtet wird. Die Vorrichtung ist dadurch im Aufbau sehr einfach. Die von dem Faltkarton zurückzulegenden Wege sind extrem kurz. Durch das Erfassen desselben im Bereich von Vorderwand einerseits und anschließender Seitenwand andererseits durch vorzugsweise mit Saugern ausgerüstete Organe wird eine Zwangsläufigkeit beim Aufrichten des Kartons erreicht, ohne diesen mechanisch zu beeinträchtigen.The essence of the invention is therefore that the flat cardboard boxes are removed from a magazine by a holding member (gripper arm) and erected by this in cooperation with a counterholder on the way to storage on the discharge conveyor or another preferably horizontal support surface. The device is therefore very simple in construction. The distances covered by the folding box are extremely short. By capturing the same in the area of the front wall on the one hand and the subsequent side wall on the other hand by means preferably equipped with suction devices, an inevitability is achieved when the carton is erected, without impairing it mechanically.

Der Greifarm ist erfindungsgemäß so ausgebildet bzw. gelagert, daß eine komplexe Bewegung ausführbar ist. Zunächst wird der Greifarm an den vorderen Faltkarton im Magazin herangeschwenkt, insbesondere unterr Aufwärtsbewegung desselben. Sodann erfolgt eine translatorische Rückbewegung mit dem aufgenommenen Faltkarton in eine Position, in der der Faltkarton auf der Abförderbahn mit einer unteren Kante aufsteht. Sodann wird durch entsprechende Bewegung des Greifarms der Faltkarton mit der Seitenwand an den im wesentlichen ortsfest angeordneten Gegenhalter herangeführt. Nunmehr erfolgt eine Schwenkbewegung des Greifarms in die Horizontale wodurch infolge Fixierung der Seitenwand einerseits und Mitnahme der Vorderwand andererseits der Karton aufgerichtet und zugleich in eine für die Befüllung bzw. den Weitertransport gerechte Lage gebracht wird.According to the invention, the gripping arm is designed or mounted in such a way that a complex movement can be carried out. First the gripper arm is pivoted towards the front folding box in the magazine, in particular while moving it upwards. Then there is a translational return movement with the picked folding carton into a position in which the folding carton stands on the discharge path with a lower edge. Then, by appropriate movement of the gripping arm, the folding carton with the side wall is brought up to the essentially stationary counter-holder. Now the gripper arm pivots horizontally, which means that due to the fixing of the side wall on the one hand and entrainment of the front wall on the other hand, the carton is erected and at the same time brought into a position suitable for filling or further transport.

Der Greifarm ist zu diesem Zweck mit einem besonderen Getriebe verbunden, welches hier aus zwei Unterschiedlich bewegbaren, nämlich schwenkbaren Lenkern besteht.For this purpose, the gripper arm is connected to a special gear, which here consists of two differently movable, namely pivotable, links.

Das oberhalb der Abförderbahn angeordnete Magazin ist so ausgebildet, daß ein taktweiser Vorschub der Faltkartons zur Entnahmeseite stattfindet. Dort werden die Faltkartons seitlich lösbar gehalten, insbesondere durch kleine Halterollen, die um eine im wesentlichen aufrechte Achse drehbar sind und jeweils die seitlichen, aufrechten Ränder der Faltkartons erfassen.The one above the discharge conveyor The magazine is designed so that the folding cartons are fed in cycles to the removal side. There, the folding cartons are held releasably on the side, in particular by small holding rollers which can be rotated about an essentially upright axis and each grip the lateral, upright edges of the folding cartons.

Weitere Merkmale der Erfindung betreffen die Ausbildung der Halteorgane, der Abförderbahn und des Magazins.Further features of the invention relate to the design of the holding members, the removal conveyor and the magazine.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen näher erläutert. Es zeigt:

  • Fig. 1 die Vorrichtung in schematischer Seitenansicht in einer Ausgangsstellung eines Greifarms,
  • Fig. 2 einen Teil der Vorrichtung gemäß Fig. 1 bei veränderter Relativstellung des Greifarms,
  • Fig. 3 die Vorrichtung gemäß Fig. 1 und 2 bei Übernahme eines Faltkartons aus einem Magazin,
  • Fig. 4 die Stellung des Greifarms in einer abgesenkten Position des Faltkartons,
  • Fig. 5 den Faltkarton mit Greifarm in einer Zwischenstellung,
  • Fig. 6 Einzelheiten der Vorrichtung während des Aufrichtens des Faltkartons,
  • Fig. 7 die Relativstellung der Organe nach dem Auffalten und Absetzen des Faltkartons,
  • Fig. 8 die Vorrichtung in Vorderansicht bzw. im Vertikalschnitt,
  • Fig. 9 eine Grundrißdarstellung der Vorrichtung ohne Magazin.
An embodiment of the invention is explained below with reference to the drawings. It shows:
  • 1 shows the device in a schematic side view in an initial position of a gripping arm,
  • 2 shows a part of the device according to FIG. 1 with a changed relative position of the gripping arm,
  • 3 shows the device according to FIGS. 1 and 2 when taking over a folding box from a magazine,
  • 4 shows the position of the gripping arm in a lowered position of the folding box,
  • 5 the folding box with gripping arm in an intermediate position,
  • 6 details of the device during the erection of the folding box,
  • 7 shows the relative position of the organs after the folding and setting down of the folding box,
  • 8 the device in front view or in vertical section,
  • Fig. 9 is a plan view of the device without a magazine.

Die gezeigte Vorrichtung kommt in Verbindung mit einer Verpackungsmaschine bzw. als Teil derselben zum Einsatz. Überwiegend werden großvolumige Verpackungen, insbesondere Wellkartons, mit derartigen Vorrichtungen verarbeitet. Bei dem vorliegenden Ausführungsbeispiel werden Faltkartons 10 hergestellt, die zur Aufnahme kleinerer Packungen dienen, im vorliegenden Falle zur Aufnahme von sogenannten Zigaretten-Stangen 11.The device shown is used in connection with a packaging machine or as part of the same. Large-volume packaging, in particular corrugated cardboard, is predominantly processed with such devices. In the present exemplary embodiment, folding cartons 10 are produced which are used to hold smaller packs, in the present case to hold so-called cigarette sticks 11.

Die hier verwendeten Faltkartons 10 bestehen aus Vorderwand 12, Rückwand 13, diese miteinander verbindenden Seitenwänden 14 und 15 sowie an die vorstehenden Kartonwände anschließenden, seitlich überstehenden Faltlappen 16 und 17. Letztere werden nach Befüllung des Faltkartons 10 zur Bildung von Oberwand und Bodenwand umgefaltet. Die vorstehende Definition der Kartonwände dient nur zu Zwecken der Erläuterung, legt hingegen die Konstruktion der Faltkartons nicht fest.The folding boxes 10 used here consist of front wall 12, rear wall 13, side walls 14 and 15 connecting these to one another, and folding tabs 16 and 17 which laterally protrude from the projecting cardboard walls. The above definition of the cardboard walls is only for the purpose of explanation, but does not specify the construction of the folding boxes.

Die Faltkartons 10 werden für die Verarbeitung in der Verpackungsmaschine so vorbereitet, daß die (aufrechten) Kartonwände, nämlich Vorderwand 12, Rückwand 13 und Seitenwände 14, 15 zu einem "schlauchartigen" Gebilde miteinander verbunden sind (siehe insbesondere Fig. 6). Der so vorbereitete Faltkarton 10 wird flach zusammengelegt und findet als größerer Vorrat 18 Aufnahme in einem Magazin 19. Diesen werden die Faltkartons 10 nacheinander entnommen, und zwar der jeweils vornliegende Faltkarton (in Fig. 1 rechts).The folding cartons 10 are prepared for processing in the packaging machine in such a way that the (upright) carton walls, namely front wall 12, rear wall 13 and side walls 14, 15 are connected to one another to form a “tube-like” structure (see in particular FIG. 6). The folding carton 10 prepared in this way is folded flat and, as a larger stock 18, is received in a magazine 19. The folding cartons 10 are removed one after the other, namely the folding carton lying in front (on the right in FIG. 1).

Das Magazin 19 besteht bei dem vorliegenden Ausführungsbeispiel aus einer plattenförmigen Kartonauflage 20, die im vorliegenden Falle aus zwei im Abstand voneinander angeordneten Profilstreifen (Fig. 8) besteht. Die Kartonauflage 20 ist in Förderrichtung leicht nach unten geneigt Dadurch sind auch die Kartons 18 gegenüber der Vertikalen leicht nach vorn geneigt.In the present exemplary embodiment, the magazine 19 consists of a plate-shaped cardboard support 20, which in the present case consists of two profile strips arranged at a distance from one another (FIG. 8). The carton support 20 is slightly inclined downwards in the conveying direction. As a result, the cartons 18 are also slightly inclined forward relative to the vertical.

An der vorderen (Entnahme-)Seite des Magazins 19 werden die Faltkartons 10 bzw. wird der Vorrat 18 durch seitliche Anschläge lösbar gehalten, derart, daß jeweils ohne Ortsveränderung dieser Anschläge der vornliegende Faltkarton 10 entnommen werden kann. Die Anschläge bestehen im vorliegenden Fall aus je zwei Halterollen 21 und 22, die um vertikale bzw. annäherend vertikale Achsen drehbar an seitlichen aufrechten Tragstreben 23 und 24 gelagert sind. Die Anordnung dieser Halterollen 21, 22 ist derart, daß sie mit einem Teil ihrer Umfangs- bzw. Mantelfläche in den Bereich der Faltkartons 10 ragen und einen seitlichen Randbereich des jeweils vornliegenden Faltkartons 10 erfassen. Bei der Entnahme dieses vorderen Faltkartons 10 erfolgt eine leichte Verwölbung desselben, wobei die seitlichen Ränder unter Drehung der Halterollen 21, 22 an diesen vorbei geführt werden, so daß der Faltkarton frei kommt.On the front (removal) side of the magazine 19, the folding cartons 10 or the supply 18 are detachably held by side stops, such that the folding carton 10 in front can be removed without changing the location of these stops. In the present case, the stops each consist of two holding rollers 21 and 22, which are mounted on lateral upright support struts 23 and 24 so that they can rotate about vertical or approximately vertical axes. The arrangement of these holding rollers 21, 22 is such that they protrude with a part of their circumferential or circumferential surface into the area of the folding cartons 10 and capture a lateral edge area of the folding carton 10 in each case. When this front folding box 10 is removed, the same is slightly warped, the lateral edges being guided past the holding rollers 21, 22 so that the folding box is released.

Der Vorrat 18 an Faltkartons 10 wird in dem Magazin 19 taktweise, nämlich nach Maßgabe der Entnahme, zur Entnahmeseite hin weitergefördert. Zu diesem Zweck sind jeweils im Bereich der streifenförmigen Kartonauflagen 20 Förderbänder 25 angeordnet, auf deren Obertrum 26 die Faltkartons 10 aufstehen. Der Obertrum 26 wird durch die zugeordnete Kartonauflage 20 abgestützt. Diese ragt mit einem Fortsatz 27 über eine vorderseitige Umlenkrolle 28 der Förderbänder 25 hinweg.The supply 18 of folding cartons 10 is conveyed to the removal side in cycles in the magazine 19, namely in accordance with the removal. For this purpose, 20 conveyor belts 25 are arranged in each case in the area of the strip-shaped cardboard supports, on the upper run 26 of which the folding cartons 10 stand up. The upper run 26 is supported by the associated cardboard support 20. This protrudes with an extension 27 over a front deflection roller 28 of the conveyor belts 25.

Der taktweise Antrieb der Förderbänder 25 erfolgt durch hin- und her- bzw. auf- und abgehende Schwenkbewegung eines Antriebshebels 29, der auf die Umlenkrolle 28 einwirkt. Diese ist mit einem Freilaufgetriebe 20 ausgerüstet, so daß lediglich in einer Richtung Antriebsbewegungen auf die Umlenkrolle 28 und damit auf das Förderband 25 übertragen werden.The cyclical drive of the conveyor belts 25 takes place by a reciprocating swiveling movement of a drive lever 29 which acts on the deflection roller 28. This is equipped with a freewheel gear 20, so that drive movements are transmitted in one direction to the deflection roller 28 and thus to the conveyor belt 25.

Bei dem vorliegenden Ausführungsbeispiel ist unterhalb und in Förderrichtung nach vorn versetzt zu dem Magazin 19 ein Kartonaufrichter 31 angeordnet. Dieser ist im vorliegenden Falle am Anfang einer Abförderbahn 32 für die aufgerichteten und ggf. befüllten Faltkartons 10 angeordnet.In the present exemplary embodiment, a case erector 31 is arranged below and in the conveying direction to the front of the magazine 19. In the present case, this is arranged at the beginning of a discharge track 32 for the erected and possibly filled folding boxes 10.

Der Kartonaufrichter 31 besteht aus einem ersten Halteorgan in Gestalt eines Greifarms 33. Dieser dient zum Erfassen des jeweils vorderen Faltkartons 10 im Magazin 19, und zwar im Bereich der nach vorn gerichteten Vorderwand 12. Zu diesem Zweck ist der Greifarm 33 mit mehreren im Abstand voneinander angeordneten Greiforganen in Gestalt von Saugern 34 ausgerüstet Diese wiederum sind über einen gemeinsamen Saugkanal 35 und einem in einzelnen nicht gezeigte flexible Saugleitung (Schlauchtülle 36) mit einer Unterdruckquelle verbunden. Der Faltkarton 10 wird durch die Sauger 34 im Bereich der Vorderwand 12 so erfaßt, daß bei entsprechender Bewegung des Greifarms 33 der Faltkarton aus dem Magazin 19 herausgezogen und mitgeführt wird.The carton erector 31 consists of a first holding member in the form of a gripping arm 33. This is used to grasp the respective front folding carton 10 in the magazine 19, specifically in the region of the front wall 12 facing forward. For this purpose, the gripping arm 33 is spaced apart from one another arranged gripping members in the form of suction cups 34 equipped These are in turn connected to a vacuum source via a common suction channel 35 and a flexible suction line (hose nozzle 36), not shown in detail. The folding box 10 is gripped by the suckers 34 in the region of the front wall 12 in such a way that the folding box is pulled out of the magazine 19 and carried along when the gripping arm 33 is moved accordingly.

Der Greifarm 33 hat einerseits die Aufgabe, den Faltkarton 10 vom Magazin 19 bis auf die Abförderbahn 32 zu transportieren und darüber hinaus die Aufrichtung in Zusammenarbeit mit einem weiteren Halteorgan, nämlich einem Gegenhalter 37, zu bewirken. Letzterer ist derart oberhalb der Abförderbahn 32 angeordnet, daß bei entsprechender Relativstellung des dem Magazin 19 entnommenen Faltkartons die zur Vorderwand 12 benachbarte (untere) Seitenwand 14 erfaßt wird, und zwar ebenfalls durch Sauger 38. Der Gegenhalter 37 ist so (ortsfest) angeordnet, daß sich die Sauger 38 in einer vertikalen bzw. annäherend vertikalen Ebene erstrecken. Bei Fixierung des Faltkartons 10 an diesem Gegenhalter erstreckt sich demnach die zugeordnete Seitenwand 14 in vertikaler Ebene.On the one hand, the gripping arm 33 has the task of transporting the folding box 10 from the magazine 19 to the discharge path 32 and, moreover, of causing the erection in cooperation with another holding member, namely a counter-holder 37. The latter is arranged above the discharge conveyor 32 in such a way that, when the folding carton removed from the magazine 19 is in a corresponding relative position, the (lower) side wall 14 adjacent to the front wall 12 is grasped, likewise by suction cups 38. The counter-holder 37 is arranged in such a way that the suction cups 38 extend in a vertical or approximately vertical plane. When the folding box 10 is fixed to this counter-holder, the associated side wall 14 accordingly extends in the vertical plane.

Der Vorgang des Kartonaufrichtens spielt sich demnach so ab, daß die Seitenwand 14 durch den aufrechten Gegenhalter 37 fixiert ist, während der übrige Teil des Faltkartons durch entsprechende Bewegung, nämlich durch Verschwenken des Greifarms 33, nach unten und damit in eine aufgerichtete Stellung gelangt (siehe Fig. 6 und 7). Der (flache) Faltkarton wird dabei nach Entnahme aus dem Magazin 19 zunächst in eine Zwischenstellung gemäß Fig. 5 durch den Greifarm 33 gebracht, in der eine nach unten weisende Faltkante 39 zwischen Vorderwand 12 und Seitenwand 14 auf der festen Unterlage, nämlich auf der Abförderbahn 32, aufsteht. Der flache Faltkarton 32 ist dabei aufrecht bzw. senkrecht zur Abförderbahn 32 gerichtet. Bei Beendigung des Kartonaufrichtens liegt der Faltkarton mit der Vorderwand 12 auf der Abförderbahn füllgerecht bzw. transportgerecht auf. Nach Lösen der Halteorgane (Greifarm 33 und Gegenhalter 37) kann der Faltkarton 10 abtransportiert werden. Bei dem vorliegenden Ausführungsbeispiel (Fig. 7) wird im Bereich der Abförderbahn 32 ein Kettenförderer wirksam, der den Faltkarton 10 auf der Rückseite (Seitenwand 14) durch einen Mit nehmer 40 erfaßt. Zuvor ist bei dem hier gezeigten Ausführungsbeispiel der Faltkarton 10 befüllt worden durch Einschub einer entsprechenden Gruppe von Zigaretten-Stangen 11 in den seitlich offenen Faltkarton 10.The process of erecting the carton thus takes place in such a way that the side wall 14 is fixed by the upright counter-holder 37, while the remaining part of the folding carton is brought down by an appropriate movement, namely by pivoting the gripping arm 33, and thus in an erected position (see 6 and 7). After removal from the magazine 19, the (flat) folding carton is first brought into an intermediate position according to FIG. 5 by the gripping arm 33, in which a downward-pointing folding edge 39 between the front wall 12 and the side wall 14 on the solid base, namely on the discharge path 32, gets up. The flat folding carton 32 is directed upright or perpendicular to the discharge track 32. At the end of the erecting of the carton, the folding carton lies with the front wall 12 on the discharge conveyor in a manner that is suitable for filling or transport. After loosening the holding members (gripping arm 33 and counter-holder 37), the folding box 10 can be removed. In the present exemplary embodiment (FIG. 7), a chain conveyor is effective in the area of the discharge conveyor 32 and detects the folding box 10 on the back (side wall 14) by a user 40. In the exemplary embodiment shown here, the folding carton 10 has previously been filled by inserting a corresponding group of cigarette sticks 11 into the laterally open folding carton 10.

Der Greifarm 33, von dem bei entsprechend großen bzw. breiten Faltkartons 10 auch mehrere nebeneinander angeordnet sein können, wird durch ein Getriebe bewegt, welches einen translatorische und eine Schwenkbewegung ermöglichen. Zur Durchführung der Aufgaben wird der Greifarm 33 aus der Ausgangsstellung gemäß Fig. 1, bei der die Sauger 34 in bzw. unterhalb der Ebene der Abförderbahn 32 liegen, in schwenkendem Sinne bewegt in Richtung der Pfeile 41. Zugleich wird der Greifarm 33 etwas angehoben. Über die in Fig. 2 gezeigte Stellung gelangt der Greifarm schließlich in eine im wesentlichen aufrechte bzw. schräge Übernahmeposition gemäß Fig. 3, in der die Sauger 34 an der Vorderwand 12 des vornliegenden Faltkartons 10 Anlage erhalten.The gripping arm 33, of which several can be arranged next to one another in the case of correspondingly large or wide folding cartons 10, is moved by a gear mechanism which enables a translatory and a pivoting movement. To carry out the tasks, the gripper arm 33 is moved in the pivoting direction from the starting position according to FIG. 1, in which the suction devices 34 are located in or below the plane of the discharge conveyor 32, in the direction of the arrows 41. At the same time, the gripper arm 33 is raised somewhat. Via the position shown in FIG. 2, the gripper arm finally arrives in an essentially upright or inclined take-over position according to FIG. 3, in which the suction devices 34 are attached to the front wall 12 of the folding carton 10 in front.

Der Greifarm 33 wird nun in einer translatorischen (Parallel-)Bewegung in die Stellung gemäß Fig. 4 gebracht. Greifarm 33 und Faltkarton 10 befinden sich dabei in einer Stellung parallel zu der gemäß Fig. 3, jedoch derart abgesenkt, daß die Faltkante 39 auf der Unterlage (Abförderbahn 32) Anlage erhält. Danach wird durch Verschwenken und geringfügiges Verschieben der Faltkarton 10 in eine aufrechte Stellung gemäß Fig. 5 bewegt und die Seitenwand 14 zugleich an den Saugern 38 des Gegenhalters 37 zur Anlage gebracht. Es folgt sodann die bereits beschriebene Schwenkbewegung des Greifarms 33 zum Aufrichten des Faltkartons 10. Die Schwenkbwegung vollzieht sich dabei bis in die Stellung gemäß Fig. 4, in der die Sauger 34 mit Abstand unterhalb der Abförderbahn 32 liegen, so daß sie von der Förderwand 12 des Faltkartons 10 frei sind.The gripping arm 33 is now brought into the position according to FIG. 4 in a translatory (parallel) movement. The gripping arm 33 and folding box 10 are in a position parallel to that according to FIG. 3, but lowered in such a way that the folding edge 39 receives contact on the base (discharge track 32). Thereafter, the folding carton 10 is moved into an upright position according to FIG. 5 by pivoting and slightly shifting and the side wall 14 is simultaneously brought into contact with the suction cups 38 of the counter-holder 37. This is followed by the previously described pivoting movement of the gripping arm 33 for erecting the folding carton 10. The pivoting movement takes place up to the position according to FIG. 4, in which the suction devices 34 lie at a distance below the removal path 32, so that they are off the conveyor wall 12 of the folding box 10 are free.

Der Greifarm 33 wird zu diesem Zweck von zwei als zweiarmige Hebel ausgebildeten Lenkern 42 und 43 getragen und betätigt. Beide Lenker 42 und 43 sind einem gemeinsamen Schwenklager zugeordnet, im vorliegenden Falle derart, daß Lenkerarme 44 und 45 des Lenkers 42 mit einer Hauptwelle 46 verbunden sind, während Lenkerarme 47 und 48 drehbar auf dieser Hauptwelle 46 gelagert sind. Die Lenkerarme 47 und 48 sind zu diesem Zweck durch eine auf der Hauptwelle 46 gelagerte Drehhülse 49 miteinander verbunden. Der Lenkerarm 44 ist unmittelbar und über ein Drehlager 50 mit einem seitlichen Ansatz 51 des Greifarms 33 verbunden. Der Lenker 43 bzw. der Lenkerarm 48 wirkt über eine Lenkerstange 52 auf den Greifarm 33 ein. Die Lenkerstange 52 ist im Bereich eines Drehlagers 53 mit dem Greifarm 33 verbunden. Die Drehlager 50 und 53 liegen mit Abstand voneinander, so daß bei unterschiedlicher Betätigung der Lenker 42 und 43 ein Schwenkmoment auf den Greifarm 33 übertragen werden kann. Die Lenkerarme 45 und 47 sind jeweils mit Betätigungsstangen 54 und 55 verbunden, die beispielsweise durch Kurvenscheiben (nicht gezeigt) in der einen oder anderen Richtung betätigt werden können.For this purpose, the gripping arm 33 is carried and actuated by two links 42 and 43 designed as two-armed levers. Both links 42 and 43 are assigned to a common pivot bearing, in the present case such that link arms 44 and 45 of link 42 are connected to a main shaft 46, while link arms 47 and 48 are rotatably mounted on this main shaft 46. For this purpose, the link arms 47 and 48 are connected to one another by a rotating sleeve 49 mounted on the main shaft 46. The link arm 44 is connected directly and via a pivot bearing 50 to a lateral extension 51 of the gripping arm 33. The handlebar 43 or the handlebar arm 48 acts on the gripping arm 33 via a handlebar rod 52. The handlebar 52 is connected to the gripping arm 33 in the area of a pivot bearing 53. The pivot bearings 50 and 53 are spaced from one another so that when the links 42 and 43 are actuated differently, a pivoting moment can be transmitted to the gripping arm 33. The link arms 45 and 47 are each connected to actuating rods 54 and 55, which can be actuated in one direction or the other, for example, by cam disks (not shown).

Mit Hilfe einer geeigneten Steuerung ist über das vorstehend beschriebene Getriebe jede erforderliche Bewegung auf den Greifarm übertragbar.With the help of a suitable control, any required movement can be transferred to the gripper arm via the above-described gear.

Der Gegenhalter 37 ist ebenfalls mit geringer Amplitude bewegbar, um an Anpassungen an die Stellungen des Faltkartons 10 zu ermöglichen. Zu diesem Zweck ist der Gegenhalter 37 seitlich an einer aufrechten Tragstange 56 angebracht, die um eine vertikale Achse drehbar ist. Ein Stößel 57, der beispielsweise durch eine Kurvenscheibe oder ein Druckmittelorgan angetrieben wird, werden Drehbewegungen der Tragstange 56 und damit Vor- und Rückbewegungen des Gegenhalters 37 ausgeführt.The counter-holder 37 can also be moved with a small amplitude in order to allow adjustments to the positions of the folding box 10. For this purpose, the counter-holder 37 is attached laterally to an upright support rod 56 which can be rotated about a vertical axis. A pestle 57, which is driven, for example, by a cam disk or a pressure medium element, rotary movements of the support rod 56 and thus forward and backward movements of the counter-holder 37 are carried out.

Die Abförderbahn 32 ist bei dem vorliegenden Ausführungsbeispiel ebenfalls in besonderer Weise ausgeblldet, besteht nämlich aus einem mittigen Hohlprofil 58, auf dessen Oberseite die Faltkartons 10 aufliegen. Im Bewegungsbereich des Greifarms 33 ist das Hohlprofil 58 mit einer Ausnehmung 59 versehen, in die der Greifarm 33 bei Absetzen des Faltkartons auf der Abförderbahn eintritt.The discharge conveyor 32 is also hidden in a special way in the present exemplary embodiment, namely it consists of a central hollow profile 58, on the top of which the folding cartons 10 rest. In the range of motion of the gripping arm 33, the hollow profile 58 is provided with a recess 59, into which the gripping arm 33 enters when the folding box is set down on the discharge path.

Seitlich und mit Abstand von dem Hohlprofil 58 sind Tragschienen 60 für die seitlich überstehenden Faltlappen 16 und 17 angeordnet.Support rails 60 for the laterally projecting folding tabs 16 and 17 are arranged laterally and at a distance from the hollow profile 58.

Claims (17)

1. Apparatus for erecting folding boxes (corrugated boxes 10) folded flat, consisting of front wall (12), rear wall (13) and side walls (14, 15) and folding tabs (16, 17) adjoining the latter, whereby the folding boxes can be removed from a magazine (19) and erected and placed on a discharge path (32) by a holding member (33) engaging the front wall by suction members (34), wherein the folding box (10) can be removed from the magazine (19) by the holding member (gripping arm 33) and can be erected by movement, of this holding member, relative to at least one further holding member (counterholder 37) engaging another box wall (side wall 14).
2. Apparatus according to claim 1, wherein the second holding member (counterholder 37) is arranged (substantially) stationary, particularly with gripping members (suckers 38) located in a vertical plane.
3. Apparatus according to claim 1 or 2, wherein the flat folding box can be erected from an upright intermediate position by movement (pivoting) of the front wall (12) onto the discharge path (32), the adjacent side wall (14) being held firmly.
4. Apparatus according to claim 1 and to one or more of the further claims, wherein a lower folding edge (39) between front wall (12) and side wall (14) is supported on the discharge path (32) during the erecting movement of the folding box (10).
5. Apparatus according to claim 3 and/or 4, wherein the flat folding box (10) after removal from the magazine (19) can be moved into the intermediate position with abutment of the side wall (14) against the counterholder (37) and can then be erected.
6. Apparatus according to claim 1 and to one or more of the further claims, wherein the folding box (10) after leaving the magazine (19) can be moved in translation until the lower folding edge (39) is supported upon the discharge path (32) and then by pivoting into abutment with the counterholder (37).
7. Apparatus according to claim 1 and to one or more of the further claims, wherein the gripping arm (33) can be moved pivotably and in translation.
8. Apparatus according to claim 1 and to one or more of the further claims, wherein the gripping arm (33) can be lowered below the plane of the discharge path (32).
9. Apparatus according to claim 7 and to one or more of the further claims, wherein the gripping arm (33) is held and can be moved by (two) guide rods (42, 43) so that the gripping arm (33) is movable and/or pivotable out of the lower initial position by pivoting and optionally raising into abutment of the suckers (34) with the front folding box (10) in the magazine (19), then with the folding box (10) in translation until the folding edge (39) is supported on the discharge path (32) with lowering, then pivotably with erection and finally in the opposite direction to below the plane of the discharge path.
10. Apparatus according to claim 9 and to one or more of the further claims, wherein the guide rods (42, 43) for the actuation of the gripping arm (33) are constructed as two-armed levers, whilst the one guide rod (42) is fixed to a main shaft (46) and the other guide rod (43) is mounted rotatably thereon.
11. Apparatus according to claim 1 and to one or more of the further claims, wherein the counterholder (37) is arranged movably, particularly rotatably about a vertical axis.
12. Apparatus according to claim 1 and to one or more of the further claims, wherein the, discharge path (32) consists of at least one (central) supporting profile (hollow profiles 58) with a standing surface for the folding boxes (10), whilst the gripping arm (33) can be lowered into a recess (59) of the hollow profile (58).
13. Apparatus according to claim 12 and to one or more of the further claims, wherein lateral support rails (60) are arranged at an interval from the hollow profile (58) to support the folding tabs (16 and 17) which stand out laterally.
14. Apparatus according to claim 1 and to one or more of the further claims, wherein the flat folding boxes (10) are placed substantially upright in the magazine (19) with a slight inclination in the transport direction.
15. Apparatus according to claim 14 and to one or more of the further claims, wherein the folding boxes (10) stand up in the magazine (19) on a foundation inclined downwards in the transport direction, particularly on box supports (20), and wherein the rhythmic feed of the folding boxes (10) within the magazine (19) occurs by means of conveyor belts (25).
16. Apparatus according to claim 15 and to one or more of the further claims, wherein the conveyor belts (25) can be driven in the region of a return roller (28) by a reciprocally pivotable drive lever (29) which influences the return roller (28) via a free wheel transmission (30).
17. Apparatus according to claim 1 and to one or more of the further claims, wherein the folding boxes (10) within the magazine (19) are fixed detachably on the removal side by lateral edge holders, particularly by holding rollers (21, 22) rotatable about vertical axes and gripping an edge of the folding boxes (10) at opposite sides.
EP85108509A 1984-08-13 1985-07-09 Device for erecting folded cartons Expired EP0182967B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3429761 1984-08-13
DE3429761A DE3429761A1 (en) 1984-08-13 1984-08-13 DEVICE FOR UPRATING FOLDING BOXES

Publications (3)

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EP0182967A2 EP0182967A2 (en) 1986-06-04
EP0182967A3 EP0182967A3 (en) 1986-07-16
EP0182967B1 true EP0182967B1 (en) 1988-06-08

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ID=6242949

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EP85108509A Expired EP0182967B1 (en) 1984-08-13 1985-07-09 Device for erecting folded cartons

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US (1) US4629446A (en)
EP (1) EP0182967B1 (en)
JP (1) JP2518815B2 (en)
BR (1) BR8503640A (en)
CA (1) CA1245091A (en)
DE (2) DE3429761A1 (en)

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DE3429761C2 (en) 1991-08-01
DE3429761A1 (en) 1986-02-27
EP0182967A2 (en) 1986-06-04
JPS6169441A (en) 1986-04-10
US4629446A (en) 1986-12-16
BR8503640A (en) 1986-05-06
JP2518815B2 (en) 1996-07-31
EP0182967A3 (en) 1986-07-16
CA1245091A (en) 1988-11-22
DE3563181D1 (en) 1988-07-14

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