EP0258597B1 - Device for feeding blanks to a packing machine - Google Patents

Device for feeding blanks to a packing machine Download PDF

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Publication number
EP0258597B1
EP0258597B1 EP87110424A EP87110424A EP0258597B1 EP 0258597 B1 EP0258597 B1 EP 0258597B1 EP 87110424 A EP87110424 A EP 87110424A EP 87110424 A EP87110424 A EP 87110424A EP 0258597 B1 EP0258597 B1 EP 0258597B1
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EP
European Patent Office
Prior art keywords
stack
conveyor
blank
pallet
packaging machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP87110424A
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German (de)
French (fr)
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EP0258597A2 (en
EP0258597A3 (en
Inventor
Heinz Focke
Kurt Liedtke
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
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Publication date
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Publication of EP0258597A2 publication Critical patent/EP0258597A2/en
Publication of EP0258597A3 publication Critical patent/EP0258597A3/en
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Publication of EP0258597B1 publication Critical patent/EP0258597B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00Supports or magazines for piles from which articles are to be separated
    • B65H1/30Supports or magazines for piles from which articles are to be separated with means for replenishing the pile during continuous separation of articles therefrom
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02Packaging cigarettes
    • B65B19/22Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/228Preparing and feeding blanks

Definitions

  • the invention relates to a device for feeding blanks to a packaging machine, in particular for the production of (cigarette) folding boxes (hinge-lid packs), the blanks produced in another way being removed as a stack of blanks from a transportable stack carrier by a stack conveyor, one machine-supplied blank magazine (23) and from this individual blanks for the production of the packs are removed.
  • a device for feeding blanks is known from GB-A-2 047 663.
  • a stack conveyor is assigned to a stack carrier.
  • the stack carrier and stack conveyor can only be moved together.
  • the invention is based on the object of proposing a device for storing and transferring otherwise prefabricated blanks to a packaging machine, in which the blanks are automatically transferred to a blanking magazine belonging to the packaging machine from a larger supply of blanks as required.
  • Stack carriers stack pallets with a large capacity are loaded at a suitable, central location with cut stacks, which are arranged in rows of seals on the stack carrier.
  • the stack carriers can be moved, in particular with rollers on rails and can be delivered to the relevant packaging machine.
  • the stack carriers assume a predetermined, exact (variable) relative position to the packaging machine, in such a way that blank stacks can be removed from the stack carrier one after the other by the stack conveyor and fed to the blank magazine on the machine side.
  • the stack carrier is preferably located on the back of the packaging machine.
  • the stack conveyor transports the blank stacks to the front of the packaging machine, where the blank magazine is arranged in an upper area.
  • the stacking conveyor therefore consists of an elevated conveyor arranged on the rear of the packaging machine, a cross conveyor connected to it above the packaging machine and a lowering conveyor leading to the blank magazine.
  • the high conveyor is provided with a stack receptacle for one blank stack each, preferably an upper and lower clamping jaw which can be moved relative to one another. A stack of blanks is grasped between the clamping jaws and conveyed upwards.
  • the stack carriers are designed in a special way.
  • In the area of a supporting floor there are recesses on the side (longitudinal edge) through which the lower clamping jaw of the elevator can pass in order to pick up or take a stack.
  • Such a recess is assigned to each row of the blank stacks.
  • the device according to the invention is also set up for two-lane operation of the packaging machine.
  • a branch is provided in the area of the stacking conveyor, preferably during the transfer from the high conveyor to two cross conveyors running next to one another.
  • stack pallets can be delivered to the packaging machine to increase the output, each stack pallet being assigned a separate stack conveyor.
  • stack carriers stack pallets
  • conveyors for the transport of the blank stacks.
  • the exemplary embodiments shown relate to the supply of a packaging machine 20 for cigarettes with blanks 21.
  • the blanks 21, which are otherwise produced by punching from cardboard-like packaging material, are used to produce hinged boxes (hinge-lid packs).
  • the conventionally designed blanks 21 are combined into blank stacks 22 from a larger number of blanks 21.
  • These blank stacks 22 are successively fed to a blank magazine 23 belonging to the packaging machine 20.
  • Individual blanks 20 on the underside are removed from this and introduced into the packaging process.
  • a dispenser 24 of known design is provided for the removal of the blanks 21.
  • the core of the device for supplying the packaging machine 20 with blanks 21 is a stack carrier, which is designed here as a stack pallet 25. On this, namely on a base plate 26, the blank stacks 22 are stored until they are removed by a stack conveyor 27.
  • the stacking pallets 25 are loaded at a central point and fed to the packaging machine 20, in the present case at the rear thereof, so that access to the front of the packaging machine 20 is not hindered.
  • the stacking pallet 25 can be moved with wheels 28, in the present case on running rails 29 attached to the floor.
  • the stacking pallet 25 which is rectangular in plan, is provided on the back with a supporting wall 30, approximately at the height of the blank stack 22.
  • a board 31 of reduced overall height is attached to secure the blank stack 22 on the base plate 26 is dimensioned in the present exemplary embodiment in such a way that twenty-eight stack of blanks 22 are accommodated.
  • Each blank stack 22 has a height of approximately 450 mm. This results in a loading of the stacking pallet 25, which corresponds to a cutting requirement of the packaging machine 20 of approximately one hour with a machine output of 700 packs / min.
  • the blank stacks 22 are arranged in closely spaced, transverse stack rows 32, 33 on the base plate 26.
  • the blanks 21 are directed transversely to the stack rows 32, 33 with their longitudinal extent.
  • the blank stacks 22 are successively lifted from the stack pallet 25 by the stack conveyor 27 in the region of a removal station 34. This is located in the area of the removal station 34.
  • the stacking pallets 25 are thus relative to the removal station 34 positioned and movable that the cut-stack 22 can be taken over in each case on a longitudinal edge of the stacking pallet 25.
  • the stacking pallet 25 or its base plate 26 is provided laterally, namely along a long side, with recesses 35 which, in the present exemplary embodiment, have a T-shaped outline.
  • the recesses 35 are open to the sides.
  • a stack receptacle of the stack conveyor 27 can grasp a blank stack 22 from below and take it along in the upward direction.
  • the receptacle for a blank stack 22 consists of two (upper and lower) clamping jaws 36 and 37, between each of which a blank stack 22 is accommodated.
  • the clamping jaws 36, 37 can be moved apart and together for gripping and releasing the stack of blanks 22.
  • the lower clamping jaw 36 passes from below through the recess 35 of the base plate 26 located in the removal station 34 and thus promotes the in the region of this recess 35 from stacked blanks 22.
  • the blank stacks 22 on the stack pallet 25 are successively moved into the area of the removal station 34.
  • at least the respective stack row 33 to be removed is detached from the remaining stack rows 32 on the stack pallet 25, so that the blank stacks 22 thereof are free.
  • the blank stack 22 of the relevant stack row 33 located in the discharge station 34 is fixed between the clamping jaws 36, 37.
  • a cross slide 38 comes into effect. This comes to rest on the outside of the outer blank stack 22 of this stack row 33.
  • transverse pressure of the Cross slide 38 the entire stack row 33 is compressed and thus fixed as a unit. Now the stacking pallet 25 can be moved back by a slight section, in the present case from the position according to FIG. 6 into that according to FIG. 7.
  • the (front) stacking row 33 is detached from the following to form a transverse gap 39.
  • the T-shaped jaws or the lower jaw 36 is relatively displaced in the recess 35 of the discharge station 34, namely likewise from the position according to FIG. 6 into that according to FIG. 7.
  • the recesses 35 are corresponding large size.
  • the stacking pallet 25 can be delivered to the packaging machine 20 by suitable devices (automatically) and can be moved back and forth in the described range in the area thereof.
  • a tab 40 for attaching a drive member is attached to the back of the stacking pallet 25 or to its supporting wall 30.
  • the angular cross slide 38 is displaceable in the present case by a spindle drive.
  • a part of the cross slide 38 is mounted as a spindle nut 43 on an elongated spindle 42 which is fixedly mounted on a gear housing 41.
  • the spindle 42 is driven in rotation by a motor 44.
  • the stacking conveyor 27 consists of a plurality of individual conveyors connected to one another.
  • an elevated conveyor 45 In an area above the packaging machine 20, namely in a transfer station 46, a cross conveyor 47 leads across the packaging machine 20 to the front thereof. From this, the blank stacks 22 are transferred to a lowering conveyor 48.
  • the blank magazine 23 adjoins this at the bottom.
  • the high conveyor 45 can be designed in different ways.
  • it is a spindle conveyor with a stationary, upright spindle 49. This is rotatably mounted in a bottom bearing 50 and in an upper support bearing 51, which is connected in a suitable manner to the construction of the packaging machine 20.
  • the spindle 49 is driven in the area of the upper support bearing 51 by an actuator 52 with pinion 53 via a gear 54.
  • the lower clamping jaw 36 is mounted on the spindle 49 with an elongated spindle nut 74. By rotating the spindle 49, the lower jaw 36 is moved up and down.
  • the upper jaw 37 is also slidably mounted on the spindle 49 with a guide sleeve 55, but without engagement with the thread of the spindle 49. In this way, the upper jaw 37 can also be moved upwards by the spindle nut 74 will.
  • the spindle nut 74 and the guide sleeve 55 are formed with telescopic ends 56. These overlap one another in the clamping position of the clamping jaws 36 and 37. The actuation of the latter is not shown for reasons of the simplified illustration.
  • the upper jaw 37 can be moved relative to the lower jaw 36 by a pressure medium cylinder and the clamping force can thus be transmitted.
  • the upper jaw In the area of the transfer station 46, the upper jaw is released in an upper end position after reaching the lower jaw.
  • the blank stack 22 can now be pushed in the transverse direction by a pusher 57 from the lower clamping jaw 36 onto a platform 58 as part of the cross conveyor 47.
  • the blank stack 22 is fixed on the upper side opposite the platform 58 by a cover plate 59.
  • the blank stacks 22 arrive between the upper and lower central conveyor belts 60 and 61.
  • the blank stacks 22 are transported in the region of the platform 58 by the pusher 57.
  • the conveyor belts 60 and 61 are driven so that the blank stack 22 are transported in the direction of the arrow.
  • Two support arms 63 and 64 are pivotably mounted on a transverse support rod 62 (FIG. 2a). These are provided at the lower ends with transverse support legs 65, on which a stack of blanks 22 is received when it leaves the conveyor belts 60, 61.
  • the support arms 63, 64 can be moved apart on the support rod 62 by a suitable drive element (eg pressure medium cylinder), so that the blank stack 22 can be conveyed into the area between the support arms 63, 64.
  • the blank stack 22 is grasped, this resting on the bottom on the inward and forward angled support legs 65. Due to the design of the support arms 63, 64 (angular cross section), the blank stack 22 is gripped laterally along the entire height and also on the rear side.
  • the blank stack 22 is brought into an inclined position by pivoting movement of the support arms 63, 64 (FIG. 1).
  • a lowering conveyor 48 can now take over the blank stack and feed it to the blank magazine 23.
  • the lowering conveyor 48 is designed as a supporting web 66 that can be moved up and down and moved back and forth. This is moved under the blank stack 22 held by the support arms 63, 64 (FIG. 1). After the support arms 63, 64 have been moved apart, the blank stack 22 is fed to the blank magazine 23 by moving the support web 66 downward. The support web 66 is then pulled back, moved back into the upper position and moved under the next blank stack 22.
  • the design and drive of the supporting web 66 correspond essentially to the organ used for the same purpose in the subject of patent application DE-A-34 02 514.
  • the performance of the device can be increased in that, as shown in the embodiment of FIG. 4, in the region of the cross conveyor 47 and subsequently two-stack cut blanks 22 are conveyed.
  • a first cross conveyor 47 is provided in the embodiment described following the transfer station 46.
  • a connecting platform 67 leads from this to a second transverse conveyor 68.
  • This is constructed in the same or analogous manner as the described transverse conveyor 47.
  • the stack of blanks 22 delivered by the elevated conveyor 45 alternate the cross conveyor 47 and the cross conveyor 68 fed.
  • the transverse movement to the latter takes place by means of a slide 69 which conveys blank stacks 22 from the free side in the region of the platform 58 to the cross conveyor 68 via the connecting platform 67.
  • This is assigned a pusher 70 corresponding to the pusher 57.
  • the other conveying members, namely the lowering conveyor 48 and the blank magazine 23 are also available in duplicate.
  • FIG. 11 to 13 show details of a device in which a first stacking pallet 25 with blanking stacks 22 is delivered to the packaging machine 20 (on the rear side thereof) and a further, second stacking pallet 71.
  • This stacking pallet 71 is shown in FIG designed in the same way as the stacking pallet 25 described.
  • this second stacking pallet 71 is assigned a separate elevator 72, which is designed in the same way as the elevator 45 already described.
  • the arrangement is such that the clamping jaws, each of which can be moved on a spindle nut 74 36, 37 of the two elevators 45 and 72 are directed away from each other, so that the stacking pallets 25 and 71 can be delivered from opposite sides to the directly adjacent elevators 45 and 72.
  • the spindles 49 of the same are arranged at a short distance from one another and are rotatably supported on a common base bearing 73.
  • Each of the high conveyors 45, 72 conveys the blank stacks 22 to a cross conveyor and a lowering conveyor in the manner described. Accordingly, two separate stack conveyors are used here, which can be operated independently of one another.
  • an upper cover plate can be assigned to the stacking pallets 25, which has a suitable recess in the area of the discharge station 34 for the passage of one blank stack 22 in each case. The remaining or adjacent stack of blanks 22 are held back against being lifted by this cover plate.
  • the device described is particularly advantageously replaceable in connection with a packaging machine for folding boxes according to DE patent P 24 40 006.
  • This packaging machine is equipped with a folding turret 75 which is rotatable about a vertical axis and is shown schematically in the drawings.
  • the blank magazine 23 or the blank magazines are arranged above the folding turret 75, so that the blanks can be fed to the folding turret 75 in the manner described in patent P 24 40 006.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Specific Conveyance Elements (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Zuführen von Zuschnitten zu einer Verpackungsmaschine, insbesondere für die Herstellung von (Zigaretten-)Klappschachteln (Hinge-Lid-Packungen), wobei die anderweitig hergestellten Zuschnitte als Zuschnitt-Stapel von einem transportierbaren Stapelträger durch einen Stapelförderer abgenommen, einem maschinenseitigen Zuschnitt-Magazin (23) zugeführt und von diesem einzelne Zuschnitte für die Herstellung der Packungen entnommen werden.The invention relates to a device for feeding blanks to a packaging machine, in particular for the production of (cigarette) folding boxes (hinge-lid packs), the blanks produced in another way being removed as a stack of blanks from a transportable stack carrier by a stack conveyor, one machine-supplied blank magazine (23) and from this individual blanks for the production of the packs are removed.

Bei Verpackungsmaschinen mit hoher Fertigungsleistung, insbesondere bei Zigaretten-Verpackungsmaschinen, verursacht die ausreichende Zurverfügungstellung von Zuschnitten ein besonderes Problem. Werden Packungen aus dickerem Verpackungsmaterial (Karton) hergestellt, ist es vielfach üblich, einzelne Zuschnitte aus dem Verpackungsmaterial separat zu fertigen und Zuschnitt-Stapel der Verpackungsmaschine zuzuführen. Hier kommt es in besonderem Maße darauf an, daß im Bereich der Verpackungsmaschine ein ausreichender Vorrat an Zuschnitten gebildet und in erforderlichem Umfange ergänzt wird.In the case of packaging machines with a high production output, in particular in the case of cigarette packaging machines, the sufficient provision of blanks causes a particular problem. Packs made of thicker packaging material (Cardboard), it is common practice to manufacture individual blanks from the packaging material separately and to feed the stack of blanks to the packaging machine. It is particularly important here that a sufficient stock of blanks is formed in the area of the packaging machine and that the necessary amount is added.

Eine Vorrichtung zum Zuführen von Zuschnitten ist aus der GB-A-2 047 663 bekannt. Dort ist ein Stapelförderer einem Stapelträger zugeordnet. Stapelträger und Stapelförderer sind nur gemeinsam bewegbar.A device for feeding blanks is known from GB-A-2 047 663. There, a stack conveyor is assigned to a stack carrier. The stack carrier and stack conveyor can only be moved together.

Aus der EP-A-0 150 511 ist es bekannt, das maschinenseitige Zuschnitt-Magazin besonders groß, nämlich mit drei einzelnen Magazinschächten, auszubilden, von denen jeweils einer in Abhängigkeit von einem nachgeordneten Restvorrat entleert wird. Eine Befüllung der Magazinschächte wird dort nicht gezeigt.From EP-A-0 150 511 it is known to design the machine-side blank magazine to be particularly large, namely with three individual magazine shafts, one of which is emptied depending on a subordinate remaining stock. Filling the magazine shafts is not shown there.

Der Erfindung liegt nun die Aufgabe zugrunde, eine Einrichtung zur Bevorratung und Übergabe von anderweitig vorgefertigten Zuschnitten an eine Verpackungsmaschine vorzuschlagen, bei der von einem größeren Vorrat an Zuschnitten selbsttätig nach Bedarf die Zuschnitte an ein zur Verpackungsmaschine gehörendes Zuschnitt-Magazin übergeben werden.The invention is based on the object of proposing a device for storing and transferring otherwise prefabricated blanks to a packaging machine, in which the blanks are automatically transferred to a blanking magazine belonging to the packaging machine from a larger supply of blanks as required.

Zur Lösung dieser Aufgabe ist die erfindungsgemäße Vorrichtung durch folgende Merkmale gekennzeichnet:

  • der der Verpackungsmaschine zugeordnete, ortsfeste Stapelförderer weist einen Hochförderer auf, mit Mitteln zum abnehmen einzelner Zuschnitt-Stapel vom Stapelträger (Stapelpalette) nach oben,
  • an den Hochförderer schließt mindestens ein oberhalb der Verpackungsmaschine verlaufender Querförderer an, mit Mitteln zum Transport der einzelnen Zuschnitt-Stapel in Stapelform zum Magazin an der Arbeitsseite der Verpackungsmaschine.
To achieve this object, the device according to the invention is characterized by the following features:
  • the stationary stack conveyor assigned to the packaging machine has an elevated conveyor, with means for removing individual blank stacks from the stack carrier (stack pallet) upwards,
  • at least one cross conveyor running above the packaging machine is connected to the elevator, with means for transporting the individual cut stacks in stack form to the magazine on the working side of the packaging machine.

Stapelträger (Stapelpaletten) mit großer Aufnahmefähigkeit werden an geeigneter, zentraler Stelle mit Zuschnittstapeln beladen, die in Dichtreihen auf dem Stapelträger angeordnet sind. Die Stapelträger sind verfahrbar, insbesondere mit Rollen auf Schienen und so der betreffenden Verpackungsmaschine zustellbar.Stack carriers (stack pallets) with a large capacity are loaded at a suitable, central location with cut stacks, which are arranged in rows of seals on the stack carrier. The stack carriers can be moved, in particular with rollers on rails and can be delivered to the relevant packaging machine.

Die Stapelträger nehmen eine vorgegebene, exakte (veränderliche) Relativstellung zur Verpackungsmaschine ein, derart, daß durch den Stapelförderer nach Bedarf Zuschnitt-Stapel nacheinander von dem Stapelträger abgenommen und dem maschinenseitigen Zuschnitt-Magazin zugefördert werden können. Vorzugsweise befindet sich der Stapelträger auf der Rückseite der Verpackungsmaschine. Der Stapelförderer transportiert die Zuschnitt-Stapel zur Vorderseite der Verpackungsmaschine, wo in einem oberen Bereich das Zuschnitt-Magazin angeordnet ist. Der Stapelförderer besteht demnach aus einem an der Rückseite der Verpackungsmaschine angeordneten Hochförderer, einem an diesen oberhalb der Verpackungsmaschine anschließenden Querförderer und einem zum Zuschnitt-Magazin führenden Senkförderer.The stack carriers assume a predetermined, exact (variable) relative position to the packaging machine, in such a way that blank stacks can be removed from the stack carrier one after the other by the stack conveyor and fed to the blank magazine on the machine side. The stack carrier is preferably located on the back of the packaging machine. The stack conveyor transports the blank stacks to the front of the packaging machine, where the blank magazine is arranged in an upper area. The stacking conveyor therefore consists of an elevated conveyor arranged on the rear of the packaging machine, a cross conveyor connected to it above the packaging machine and a lowering conveyor leading to the blank magazine.

Der Hochförderer ist mit einer Stapelaufnahme für jeweils einen Zuschnitt-Stapel versehen, vorzugsweise einer oberen und unteren, gegeneinander bewegbaren Klemmbacke. Zwischen den Klemmbacken wird jeweils ein Zuschnitt-Stapel erfaßt und aufwärts gefördert.The high conveyor is provided with a stack receptacle for one blank stack each, preferably an upper and lower clamping jaw which can be moved relative to one another. A stack of blanks is grasped between the clamping jaws and conveyed upwards.

In besonderer Weise sind die Stapelträger ausgebildet. Im Bereich eines Tragbodens sind seitlich (Längsrand) Ausnehmungen angebracht, durch die die untere Klemmbacke des Hochförderers zur Auf- bzw. Mitnahme eines Stapels hindurchzutreten vermag. Jeder Reihe der Zuschnitt-Stapel ist eine derartige Ausnehmung zugeordnet. Durch Verschieben der (Teil-)Reihen auf der Stapelpalette bzw. durch Verfahren derselben werden die Zuschnitt-Stapel nacheinander in die Aufnahmeposition für den Stapelförderer gebracht.The stack carriers are designed in a special way. In the area of a supporting floor there are recesses on the side (longitudinal edge) through which the lower clamping jaw of the elevator can pass in order to pick up or take a stack. Such a recess is assigned to each row of the blank stacks. By moving the (partial) rows on the stack pallet or by moving the same, the blank stacks are brought one after the other into the receiving position for the stack conveyor.

Die erfindungsgemäße Vorrichtung ist auch für einen zweibahnigen Betrieb der Verpackungsmaschine eingerichtet. In diesem Falle ist gemäß einem Vorschlag der Erfindung eine Verzweigung im Bereich des Stapelförderers vorgesehen, vorzugsweise bei der Übergabe vom Hochförderer zu zwei nebeneinanderlaufenden Querförderern.The device according to the invention is also set up for two-lane operation of the packaging machine. In this case, according to a proposal of the invention, a branch is provided in the area of the stacking conveyor, preferably during the transfer from the high conveyor to two cross conveyors running next to one another.

Alternativ können zur Erhöhung der Leistung zwei Stapelträger (Stapelpaletten) der Verpackungsmaschine zustellbar sein, wobei jeder Stapelpalette ein gesonderter Stapelförderer zugeordnet ist.Alternatively, two stack carriers (stack pallets) can be delivered to the packaging machine to increase the output, each stack pallet being assigned a separate stack conveyor.

Weitere Merkmale der Erfindung betreffen die Ausbildung der Stapelträger (Stapelpaletten) sowie die Förderer für den Transport der Zuschnitt-Stapel.Further features of the invention relate to the design of the stack carriers (stack pallets) and the conveyors for the transport of the blank stacks.

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnungen näher erläutert. Es zeigt:

Fig. 1
die Vorrichtung zur Lagerung und Übergabe von Zuschnitt-Stapeln an eine Verpackungsmaschine in schematischer Seitenansicht,
Fig. 2
eine Queransicht zu der Vorrichtung gemäß Fig. 1 unter Weglassung von Teilen der Vorpackungsmaschine,
Fig. 2a
eine Einzelheit der Vorrichtung in einer gegenüber Fig. 2 um 90° versetzten Ansicht,
Fig. 3
eine Draufsicht der Vorrichtung in einer unteren Ebene (oberhalb eines Stapelträgers),
Fig. 4
eine Draufsicht in einer darüberliegenden Ebene (im Bereich von Querförderern),
Fig. 5
einen Querförderer als Einzelheit im Grundriß, bei vergrößertem Maßstab (Schnittebene V-V in Fig. 1),
Fig. 6
einen Stapelträger (Palette) in beladenem Zustand im Grundriß,
Fig. 7
eine Darstellung analog zu Fig. 6 nach Vorbereitung einer ersten Reihe von Zuschnitt-Stapeln für die Übernahme durch einen Stapelförderer,
Fig. 8
eine Darstellung eines Stapelträgers gemäß Fig. 6 und 7 nach Abförderung mehrerer Zuschnitt-Stapel,
Fig. 9
einen Stapelträger (Stapelpalette) in Seitenansicht,
Fig. 10
einen Querschnitt durch eine Stapelpalette in der Schnittebene X-X der Fig. 8,
Fig. 11
eine Darstellung analog zu Fig. 2 für eine Ausführung der Vorrichtung mit zwei Stapelträgern und gesonderten Stapelförderern,
Fig. 11a
eine Einzelheit des Ausführungsbeispiels gemäß Fig. 11 in einer 90° versetzten Ansicht,
Fig. 12
die Vorrichtung gemäß Fig. 11 in Grundrißdarstellung,
Fig. 13
die Vorrichtung gemäß Fig. 11 und 12 in einer oberen Ebene (Querförderer) im Grundriß.
Exemplary embodiments of the invention are explained in more detail below with reference to the drawings. It shows:
Fig. 1
the device for storing and transferring stacks of blanks to a packaging machine in a schematic side view,
Fig. 2
2 shows a transverse view of the device according to FIG. 1 with parts of the prepacking machine omitted,
Fig. 2a
2 shows a detail of the device in a view offset by 90 ° compared to FIG. 2,
Fig. 3
a plan view of the device in a lower level (above a stack carrier),
Fig. 4
a plan view in an overlying level (in the area of cross conveyors),
Fig. 5
a cross conveyor as a detail in the plan, on an enlarged scale (section plane VV in Fig. 1),
Fig. 6
a stack carrier (pallet) in the loaded state in the plan,
Fig. 7
6 shows an illustration analogous to FIG. 6 after preparation of a first row of blank stacks for the takeover by a stack conveyor,
Fig. 8
6 shows a stack carrier according to FIGS. 6 and 7 after removal of several blank stacks,
Fig. 9
a stack carrier (stack pallet) in side view,
Fig. 10
3 shows a cross section through a stack pallet in the sectional plane XX of FIG. 8,
Fig. 11
2 shows a representation analogous to FIG. 2 for an embodiment of the device with two stack carriers and separate stack conveyors,
Fig. 11a
11 shows a detail of the exemplary embodiment according to FIG. 11 in a view offset by 90 °,
Fig. 12
11 in plan view,
Fig. 13
11 and 12 in an upper level (cross conveyor) in plan.

Die gezeigten Ausführungsbeispiele beziehen sich auf die Versorgung einer Verpackungsmaschine 20 für Zigaretten mit Zuschnitten 21. Die anderweitig durch Stanzen aus kartonartigem Verpackungsmaterial gefertigten Zuschnitte 21 dienen zur Herstellung von Klappschachteln (Hinge-Lid-Packungen). Die konventionell gestalteten Zuschnitte 21 sind zu Zuschnitt-Stapeln 22 aus einer größeren Anzahl von Zuschnitten 21 zusammengefaßt. Diese Zuschnitt-Stapel 22 werden nacheinander einem zur Verpackungsmaschine 20 gehörenden Zuschnitt-Magazin 23 zugefördert. Diesem werden einzelne Zuschnitte 20 an der Unterseite entnommen und in den Verpackungsprozeß eingeleitet. Für die Entnahme der Zuschnitte 21 ist im vorliegenden Falle ein Abroller 24 bekannter Bauart vorgesehen.The exemplary embodiments shown relate to the supply of a packaging machine 20 for cigarettes with blanks 21. The blanks 21, which are otherwise produced by punching from cardboard-like packaging material, are used to produce hinged boxes (hinge-lid packs). The conventionally designed blanks 21 are combined into blank stacks 22 from a larger number of blanks 21. These blank stacks 22 are successively fed to a blank magazine 23 belonging to the packaging machine 20. Individual blanks 20 on the underside are removed from this and introduced into the packaging process. In the present case, a dispenser 24 of known design is provided for the removal of the blanks 21.

Kernstück der Vorrichtung für die Versorgung der Verpackungsmaschine 20 mit Zuschnitten 21 ist ein Stapelträger, der hier als Stapelpalette 25 ausgebildet ist. Auf dieser, nämlich auf einer Bodenplatte 26, lagern die Zuschnitt-Stapel 22 bis zur Abnahme durch einen Stapelförderer 27.The core of the device for supplying the packaging machine 20 with blanks 21 is a stack carrier, which is designed here as a stack pallet 25. On this, namely on a base plate 26, the blank stacks 22 are stored until they are removed by a stack conveyor 27.

Die Stapelpaletten 25 werden an einer zentralen Stelle beladen und der Verpackungsmaschine 20 zugeführt, im vorliegenden Falle an der Rückseite derselben, so daß der Zugang zur Vorderseite der Verpackungsmaschine 20 nicht behindert ist. Die Stapelpalette 25 ist mit Rädern 28 verfahrbar, im vorliegenden Falle auf am Boden angebrachten Laufschienen 29.The stacking pallets 25 are loaded at a central point and fed to the packaging machine 20, in the present case at the rear thereof, so that access to the front of the packaging machine 20 is not hindered. The stacking pallet 25 can be moved with wheels 28, in the present case on running rails 29 attached to the floor.

Die im Grundriß rechteckige Stapelpalette 25 ist rückseitig mit einer Stützwand 30 versehen, etwa in der Höhe der Zuschnitt-Stapel 22. An den übrigen Seiten ist ringsherum ein Bord 31 von geringerer Bauhöhe angebracht zur Sicherung der Zuschnitt-Stapel 22 auf der Bodenplatte 26. Diese ist bei dem vorliegenden Ausführungsbeispiel so bemessen, daß achtundzwanzig Zuschnitt-Stapel 22 Aufnahme finden. Jeder Zuschnitt-Stapel 22 hat eine Höhe von etwa 450 mm. Hieraus ergibt sich eine Beladung der Stapelpalette 25, die einem Zuschnittbedarf der Verpackungsmaschine 20 von etwa einer Stunde entspricht bei einer Maschinenleistung von 700 Packungen/min.The stacking pallet 25, which is rectangular in plan, is provided on the back with a supporting wall 30, approximately at the height of the blank stack 22. On the other sides, a board 31 of reduced overall height is attached to secure the blank stack 22 on the base plate 26 is dimensioned in the present exemplary embodiment in such a way that twenty-eight stack of blanks 22 are accommodated. Each blank stack 22 has a height of approximately 450 mm. This results in a loading of the stacking pallet 25, which corresponds to a cutting requirement of the packaging machine 20 of approximately one hour with a machine output of 700 packs / min.

Die Zuschnitt-Stapel 22 sind in dicht aneinanderliegenden, quergerichteten Stapelreihen 32, 33 auf der Bodenplatte 26 angeordnet. Die Zuschnitte 21 sind mit ihrer Längserstreckung quer zu den Stapelreihen 32, 33 gerichtet. Die Zuschnitt-Stapel 22 werden nacheinander im Bereich einer Abförderstation 34 von der Stapelpalette 25 durch den Stapelförderer 27 abgehoben. Dieser befindet sich im Bereich der Abförderstation 34. Die Stapelpaletten 25 sind so relativ zur Abförderstation 34 positioniert und verfahrbar, daß jeweils an einem Längsrand der Stapelpalette 25 die Zuschnitt-Stapel 22 übernommen werden können.The blank stacks 22 are arranged in closely spaced, transverse stack rows 32, 33 on the base plate 26. The blanks 21 are directed transversely to the stack rows 32, 33 with their longitudinal extent. The blank stacks 22 are successively lifted from the stack pallet 25 by the stack conveyor 27 in the region of a removal station 34. This is located in the area of the removal station 34. The stacking pallets 25 are thus relative to the removal station 34 positioned and movable that the cut-stack 22 can be taken over in each case on a longitudinal edge of the stacking pallet 25.

Die Stapelpalette 25 bzw. deren Bodenplatte 26 ist zu diesem Zweck seitlich, nämlich entlang einer Längsseite, mit Ausnehmungen 35 versehen, die bei dem vorliegenden Ausführungsbeispiel einen T-förmigen Grundriß aufweisen. Die Ausnehmungen 35 sind zu den Seiten hin offen. Im Bereich der Ausnehmungen 35 kann eine Stapelaufnahme des Stapelförderers 27 einen Zuschnitt-Stapel 22 von unten erfassen und in Aufwärtsrichtung mitnehmen. Bei dem vorliegenden Ausführungsbeispiel besteht die Aufnahme für einen Zuschnitt-Stapel 22 aus zwei (oberen und unteren) Klemmbacken 36 und 37, zwischen denen jeweils ein Zuschnitt-Stapel 22 Aufnahme findet. Die Klemmbacken 36, 37 sind auseinander- und zusammenbewegbar zum Erfassen und Freigeben des Zuschnitt-Stapels 22. Die untere Klemmbacke 36 tritt im vorliegenden Falle von unten her durch die sich jeweils in der Abförderstation 34 befindende Ausnehmung 35 der Bodenplatte 26 hindurch und fördert so den im Bereich dieser Ausnehmung 35 lagernden Zuschnitt-Stapel 22 ab.For this purpose, the stacking pallet 25 or its base plate 26 is provided laterally, namely along a long side, with recesses 35 which, in the present exemplary embodiment, have a T-shaped outline. The recesses 35 are open to the sides. In the area of the recesses 35, a stack receptacle of the stack conveyor 27 can grasp a blank stack 22 from below and take it along in the upward direction. In the present exemplary embodiment, the receptacle for a blank stack 22 consists of two (upper and lower) clamping jaws 36 and 37, between each of which a blank stack 22 is accommodated. The clamping jaws 36, 37 can be moved apart and together for gripping and releasing the stack of blanks 22. In the present case, the lower clamping jaw 36 passes from below through the recess 35 of the base plate 26 located in the removal station 34 and thus promotes the in the region of this recess 35 from stacked blanks 22.

Die Zuschnitt-Stapel 22 auf der Stapelpalette 25 werden nacheinander in den Bereich der Abförderstation 34 bewegt. Zu diesem Zweck wird zumindest die jeweils abzufördernde Stapelreihe 33 von den übrigen Stapelreihen 32 auf der Stapelpalette 25 gelöst, so daß die Zuschnitt-Stapel 22 derselben frei sind. Zu diesem Zweck wird der sich in der Abförderstation 34 befindende, randseitige Zuschnitt-Stapel 22 der betreffenden Stapelreihe 33 zwischen den Klemmbacken 36, 37 festgesetzt. Auf der gegenüberliegenden Seite der Stapelreihe 33 kommt ein Querschieber 38 zur Wirkung. Dieser kommt an der Außenseite des äußeren Zuschnitt-Stapels 22 dieser Stapelreihe 33 zur Anlage. Durch quergerichteten Druck des Querschiebers 38 wird die komplette Stapelreihe 33 zusammengedrückt und somit als Einheit fixiert. Nunmehr kann die Stapelpalette 25 um einen geringfügigen Abschnitt zurückgefahren werden, im vorliegenden Falle aus der Position gemäß Fig. 6 in die gemäß Fig. 7. Dadurch wird infolge des Spielraums auf der Bodenplatte 26 die (vordere) Stapelreihe 33 von den nachfolgenden gelöst unter Bildung eines quergerichteten Spalts 39. Die ebenfalls T-förmig ausgebildeten Klemmbacken bzw. die untere Klemmbacke 36 ist dabei in der Ausnehmung 35 der Abförderstation 34 relativverschoben, nämlich ebenfalls aus der Position gemäß Fig. 6 in die gemäß Fig. 7. Die Ausnehmungen 35 sind entsprechend groß dimensioniert. Nach geringfügigem Zurückfahren des Querschiebers 38 und damit Aufhebung des quergerichteten Drucks kann nunmehr der erste randseitige Zuschnitt-Stapel 22 dieser Stapelreihe 33 nach oben gefördert werden.The blank stacks 22 on the stack pallet 25 are successively moved into the area of the removal station 34. For this purpose, at least the respective stack row 33 to be removed is detached from the remaining stack rows 32 on the stack pallet 25, so that the blank stacks 22 thereof are free. For this purpose, the blank stack 22 of the relevant stack row 33 located in the discharge station 34 is fixed between the clamping jaws 36, 37. On the opposite side of the stack row 33, a cross slide 38 comes into effect. This comes to rest on the outside of the outer blank stack 22 of this stack row 33. By transverse pressure of the Cross slide 38, the entire stack row 33 is compressed and thus fixed as a unit. Now the stacking pallet 25 can be moved back by a slight section, in the present case from the position according to FIG. 6 into that according to FIG. 7. As a result of the play on the base plate 26, the (front) stacking row 33 is detached from the following to form a transverse gap 39. The T-shaped jaws or the lower jaw 36 is relatively displaced in the recess 35 of the discharge station 34, namely likewise from the position according to FIG. 6 into that according to FIG. 7. The recesses 35 are corresponding large size. After the transverse slide 38 has been slightly retracted and the transverse pressure has thus been eliminated, the first edge-side blank stack 22 of this stack row 33 can now be conveyed upwards.

Für die Abförderung der weiteren Zuschnitt-Stapel 22 dieser (vorderen) Stapelreihe 33 werden die verbleibenden Zuschnitt-Stapel 22 derselben nacheinander durch den Querschieber 38 in Richtung auf die Abförderstation 34 verschoben (siehe Fig. 8). Ist diese Stapelreihe 33 vollständig abgeräumt, wird mit der nachfolgenden in gleicher Weise verfahren, wobei zunächst die Stapelpalette 25 um einen einer Stapelreihe 32 entsprechenden Takt weiterbewegt wird.For the removal of the further blank stacks 22 of this (front) stack row 33, the remaining blank stacks 22 thereof are successively displaced by the cross slide 38 in the direction of the removal station 34 (see FIG. 8). If this stack row 33 has been completely cleared, the following procedure is followed in the same manner, the stack pallet 25 first being moved forward by a cycle corresponding to a stack row 32.

Die Stapelpalette 25 kann durch geeignete Einrichtungen (selbsttätig) der Verpackungsmaschine 20 zugestellt und im Bereich derselben in dem beschriebenen Umfange hin- und herbewegt werden. An der Rückseite der Stapelpalette 25 bzw. an deren Stützwand 30 ist zu diesem Zweck eine Lasche 40 zur Befestigung eines Antriebsorgans angebracht.The stacking pallet 25 can be delivered to the packaging machine 20 by suitable devices (automatically) and can be moved back and forth in the described range in the area thereof. For this purpose, a tab 40 for attaching a drive member is attached to the back of the stacking pallet 25 or to its supporting wall 30.

Der winkelförmige Querschieber 38 ist im vorliegenden Falle durch einen Spindeltrieb verschiebbar. Auf einer langgestreckten, ortsfest an einem Getriebegehäuse 41 gelagerten Spindel 42 ist ein Teil des Querschiebers 38 als Spindelmutter 43 gelagert. Die Spindel 42 wird durch einen Motor 44 drehend angetrieben.The angular cross slide 38 is displaceable in the present case by a spindle drive. A part of the cross slide 38 is mounted as a spindle nut 43 on an elongated spindle 42 which is fixedly mounted on a gear housing 41. The spindle 42 is driven in rotation by a motor 44.

Der Stapelförderer 27 besteht bei den gezeigten Ausführungsbeispielen aus mehreren aneinanderanschließenden Einzelförderern. Im Bereich der Abförderstation 34 befindet sich ein Hochförderer 45. In einem Bereich oberhalb der Verpackungsmaschine 20, nämlich in einer Übergabestation 46 schließt ein quer über die Verpackungsmaschine 20 zu deren Vorderseite führender Querförderer 47 an. Von diesem werden die Zuschnitt-Stapel 22 an einen Senkförderer 48 übergeben. An diesen schließt das Zuschnitt-Magazin 23 nach unten an.In the exemplary embodiments shown, the stacking conveyor 27 consists of a plurality of individual conveyors connected to one another. In the area of the removal station 34 there is an elevated conveyor 45. In an area above the packaging machine 20, namely in a transfer station 46, a cross conveyor 47 leads across the packaging machine 20 to the front thereof. From this, the blank stacks 22 are transferred to a lowering conveyor 48. The blank magazine 23 adjoins this at the bottom.

Der Hochförderer 45 kann in unterschiedlicher Weise ausgebildet sein. Bei dem vorliegenden Ausführungsbeispiel handelt es sich um einen Spindelförderer mit einer ortsfesten aufrechten Spindel 49. Diese ist drehbar in einem Bodenlager 50 und in einem oberen Stützlager 51, welches in geeigneter Weise mit der Konstruktion der Verpackungsmaschine 20 verbunden ist, ebenfalls drehbar gelagert. Der Drehantrieb der Spindel 49 erfolgt im Bereich des oberen Stützlagers 51 durch einen Stellmotor 52 mit Ritzel 53 über ein Zahnrad 54.The high conveyor 45 can be designed in different ways. In the present exemplary embodiment, it is a spindle conveyor with a stationary, upright spindle 49. This is rotatably mounted in a bottom bearing 50 and in an upper support bearing 51, which is connected in a suitable manner to the construction of the packaging machine 20. The spindle 49 is driven in the area of the upper support bearing 51 by an actuator 52 with pinion 53 via a gear 54.

Die untere Klemmbacke 36 ist mit einer langgestreckten Spindelmutter 74 auf der Spindel 49 gelagert. Durch Drehen der Spindel 49 wird so die untere Klemmbacke 36 auf- und abbewegt. Die obere Klemmbacke 37 ist mit einer Führungshülse 55 gleitend ebenfalls auf der Spindel 49 gelagert, jedoch ohne Eingriff mit dem Gewinde der Spindel 49. Auf diese Weise kann durch die bzw. mit der Spindelmutter 74 auch die obere Klemmbacke 37 aufwärtsbewegt werden. Die Spindelmutter 74 und die Führungshülse 55 sind mit Teleskopenden 56 ausgebildet. Diese überlappen einander in der Klemmstellung der Klemmbacken 36 und 37. Die Betätigung derselben ist aus Gründen der vereinfachten Darstellung nicht gezeigt. Beispielsweise kann die obere Klemmbacke 37 durch einen Druckmittelzylinder relativ zur unteren Klemmbacke 36 bewegt und so die Klemmkraft übertragen werden.The lower clamping jaw 36 is mounted on the spindle 49 with an elongated spindle nut 74. By rotating the spindle 49, the lower jaw 36 is moved up and down. The upper jaw 37 is also slidably mounted on the spindle 49 with a guide sleeve 55, but without engagement with the thread of the spindle 49. In this way, the upper jaw 37 can also be moved upwards by the spindle nut 74 will. The spindle nut 74 and the guide sleeve 55 are formed with telescopic ends 56. These overlap one another in the clamping position of the clamping jaws 36 and 37. The actuation of the latter is not shown for reasons of the simplified illustration. For example, the upper jaw 37 can be moved relative to the lower jaw 36 by a pressure medium cylinder and the clamping force can thus be transmitted.

Im Bereich der Übergabestation 46 wird die obere Klemmbacke nach Erreichen der unteren Klemmbacke in einer oberen Endposition gelöst. Der Zuschnitt-Stapel 22 kann jetzt durch einen Abschieber 57 in Querrichtung von der unteren Klemmbacke 36 abgeschoben werden auf eine Plattform 58 als Teil des Querförderers 47. An der zur Plattform 58 gegenüberliegenden oberen Seite wird der Zuschnitt-Stapel 22 durch eine Abdeckplatte 59 fixiert.In the area of the transfer station 46, the upper jaw is released in an upper end position after reaching the lower jaw. The blank stack 22 can now be pushed in the transverse direction by a pusher 57 from the lower clamping jaw 36 onto a platform 58 as part of the cross conveyor 47. The blank stack 22 is fixed on the upper side opposite the platform 58 by a cover plate 59.

Im Anschluß an die Plattform 58 gelangen die Zuschnitt-Stapel 22 zwischen obere und untere mittige Förderbänder 60 und 61. Der Transport der Zuschnitt-Stapel 22 im Bereich der Plattform 58 erfolgt durch den Abschieber 57. Die Förderbänder 60 und 61 sind angetrieben, so daß die Zuschnitt-Stapel 22 in Pfeilrichtung transportiert werden.Following the platform 58, the blank stacks 22 arrive between the upper and lower central conveyor belts 60 and 61. The blank stacks 22 are transported in the region of the platform 58 by the pusher 57. The conveyor belts 60 and 61 are driven so that the blank stack 22 are transported in the direction of the arrow.

Am Ende des Querförderers 47 bzw. der Förderbänder 60, 61 befindet sich ein Übergabeorgan für die Zuschnitt-Stapel 22. Auf einer quergerichteten Tragstange 62 (Fig.2a) sind zwei Tragarme 63 und 64 schwenkbar gelagert. Diese sind an den unteren Enden mit quergerichteten Tragschenkeln 65 versehen, auf denen ein Zuschnitt-Stapel 22 Aufnahme erhält, wenn dieser die Förderbänder 60, 61 verläßt. Die Tragarme 63, 64 sind zu diesem Zweck auf der Tragstange 62 durch ein geeignetes Antriebsorgan (z.B. Druckmittelzylinder) auseinanderbewegbar, so daß der Zuschnitt-Stapel 22 in den Bereich zwischen den Tragarmen 63, 64 gefördert werden kann. Durch Zusammenfahren der Tragarme 63, 64 in die Position gemäß Fig. 2 wird der Zuschnitt-Stapel 22 erfaßt, wobei dieser unten auf die nach innen und vorn abgewinkelten Tragschenkel 65 aufliegt. Durch die Gestaltung der Tragarme 63, 64 (winkelförmiger Querschnitt) wird der Zuschnitt-Stapel 22 auf der gesamten Höhe seitlich und auch an der RückSeite erfaßt.At the end of the cross conveyor 47 or the conveyor belts 60, 61 there is a transfer element for the blank stacks 22. Two support arms 63 and 64 are pivotably mounted on a transverse support rod 62 (FIG. 2a). These are provided at the lower ends with transverse support legs 65, on which a stack of blanks 22 is received when it leaves the conveyor belts 60, 61. For this purpose, the support arms 63, 64 can be moved apart on the support rod 62 by a suitable drive element (eg pressure medium cylinder), so that the blank stack 22 can be conveyed into the area between the support arms 63, 64. By moving together of the support arms 63, 64 in the position according to FIG. 2, the blank stack 22 is grasped, this resting on the bottom on the inward and forward angled support legs 65. Due to the design of the support arms 63, 64 (angular cross section), the blank stack 22 is gripped laterally along the entire height and also on the rear side.

Durch Schwenkbewegung der Tragarme 63, 64 wird der Zuschnitt-Stapel 22 in eine Schrägstellung gebracht (Fig. 1). Nunmehr kann ein Senkförderer 48 den Zuschnitt-Stapel übernehmen und dem Zuschnitt-Magazin 23 zuführen. Der Senkförderer 48 ist im vorliegenden Falle als auf- und abbewegbarer sowie vor- und zurückbewegbarer Tragsteg 66 ausgebildet. Dieser wird unter den von den Tragarmen 63, 64 gehaltenen Zuschnitt-Stapel 22 gefahren (Fig. 1). Nach Auseinanderbewegen der Tragarme 63, 64 wird der Zuschnitt-Stapel 22 durch Abwärtsbewegen des Tragstegs 66 dem Zuschnitt-Magazin 23 zugeführt. Der Tragsteg 66 wird dann zurückgezogen, wieder in die obere Position bewegt und unter den nächsten Zuschnitt-Stapel 22 gefahren. Ausgestaltung und Antrieb des Tragstegs 66 entsprechen im wesentlichen dem für den gleichen Zweck eingesetzten Organ bei dem Gegenstand der Patentanmeldung DE-A-34 02 514.The blank stack 22 is brought into an inclined position by pivoting movement of the support arms 63, 64 (FIG. 1). A lowering conveyor 48 can now take over the blank stack and feed it to the blank magazine 23. In the present case, the lowering conveyor 48 is designed as a supporting web 66 that can be moved up and down and moved back and forth. This is moved under the blank stack 22 held by the support arms 63, 64 (FIG. 1). After the support arms 63, 64 have been moved apart, the blank stack 22 is fed to the blank magazine 23 by moving the support web 66 downward. The support web 66 is then pulled back, moved back into the upper position and moved under the next blank stack 22. The design and drive of the supporting web 66 correspond essentially to the organ used for the same purpose in the subject of patent application DE-A-34 02 514.

Die Leistungsfähigkeit der Vorrichtung kann dadurch erhöht werden, daß, wie bei dem AuSführungsbeispiel der Fig. 4 gezeigt, im Bereich des Querförderers 47 und nachfolgend zweibahnig Zuschnitt-Stapel 22 gefördert werden. Zu diesem Zweck ist ein erster Querförderer 47 in der beschriebenen Ausführung im Anschluß an die Übergabestation 46 vorgesehen. Von diesem führt eine Verbindungsplattform 67 querab zu einem zweiten Querförderer 68. Dieser ist in gleicher bzw. analoger Weise ausgebildet wie der beschriebene Querförderer 47. Die von dem Hochförderer 45 abgegebenen Zuschnitt-Stapel 22 werden abwechselnd dem Querförderer 47 und dem Querförderer 68 zugeführt. Die Querbewegung zu letzterem erfolgt durch einen Schieber 69, der von der freien Seite her im Bereich der Plattform 58 Zuschnitt-Stapel 22 über die Verbindungsplattform 67 dem Querförderer 68 zufördert. Diesem ist ein Abschieber 70 entsprechend dem Abschieber 57 zugeordnet. Die weiteren Förderorgane, nämlich der Senkförderer 48 und das Zuschnitt-Magazin 23 sind ebenfalls in doppelter Ausführung vorhanden.The performance of the device can be increased in that, as shown in the embodiment of FIG. 4, in the region of the cross conveyor 47 and subsequently two-stack cut blanks 22 are conveyed. For this purpose, a first cross conveyor 47 is provided in the embodiment described following the transfer station 46. A connecting platform 67 leads from this to a second transverse conveyor 68. This is constructed in the same or analogous manner as the described transverse conveyor 47. The stack of blanks 22 delivered by the elevated conveyor 45 alternate the cross conveyor 47 and the cross conveyor 68 fed. The transverse movement to the latter takes place by means of a slide 69 which conveys blank stacks 22 from the free side in the region of the platform 58 to the cross conveyor 68 via the connecting platform 67. This is assigned a pusher 70 corresponding to the pusher 57. The other conveying members, namely the lowering conveyor 48 and the blank magazine 23 are also available in duplicate.

In Fig. 11 bis 13 sind Einzelheiten einer Vorrichtung gezeigt, bei der der Verpackungsmaschine 20 (an deren Rückseite) eine erste Stapelpalette 25 mit Zuschnitt-Stapeln 22 in der beschriebenen Weise zugestellt wird und eine weitere, zweite Stapelpalette 71. Diese Stapelpalette 71 ist in gleicher Weise ausgebildet wie die beschriebene Stapelpalette 25. Des weiteren ist dieser zweiten Stapelpalette 71 ein gesonderter Hochförderer 72 zugeordnet, der in gleicher Weise ausgebildet ist wie der bereits beschriebene Hochförderer 45. Die Anordnung ist so getroffen, daß die auf je einer Spindelmutter 74 verfahrbaren Klemmbacken 36, 37 der beiden Hochförderer 45 und 72 voneinander weggerichtet sind, so daß die Stapelpaletten 25 und 71 von entgegengesetzten Seiten her den unmittelbar benachbart zueinander angeordneten Hochförderern 45 und 72 zugestellt werden können. Die Spindeln 49 derselben sind in geringem Abstand voneinander angeordnet und auf einem gemeinsamen Bodenlager 73 drehbar abgestützt.11 to 13 show details of a device in which a first stacking pallet 25 with blanking stacks 22 is delivered to the packaging machine 20 (on the rear side thereof) and a further, second stacking pallet 71. This stacking pallet 71 is shown in FIG designed in the same way as the stacking pallet 25 described. Furthermore, this second stacking pallet 71 is assigned a separate elevator 72, which is designed in the same way as the elevator 45 already described. The arrangement is such that the clamping jaws, each of which can be moved on a spindle nut 74 36, 37 of the two elevators 45 and 72 are directed away from each other, so that the stacking pallets 25 and 71 can be delivered from opposite sides to the directly adjacent elevators 45 and 72. The spindles 49 of the same are arranged at a short distance from one another and are rotatably supported on a common base bearing 73.

Jeder der Hochförderer 45, 72 fördert die Zuschnitt-Stapel 22 einem Querförderer und einem Senkförderer in der beschriebenen Weise zu. Hier werden demnach zwei gesonderte Stapelförderer eingesetzt, die unabhängig voneinander bedienbar sind.Each of the high conveyors 45, 72 conveys the blank stacks 22 to a cross conveyor and a lowering conveyor in the manner described. Accordingly, two separate stack conveyors are used here, which can be operated independently of one another.

Einzelheiten der Vorrichtung können abweichend von den gezeigten Ausführungsbeispielen ausgebildet sein. So kann den Stapelpaletten 25 eine obere Abdeckplatte zugeordnet sein, die im Bereich der Abfördererstation 34 eine passende Ausnehmung für den Durchtritt jeweils eines Zuschnitt-Stapels 22 aufweist. Die übrigen bzw. benachbarten Zuschnitt-Stapel 22 werden durch diese Abdeckplatte gegen Mitanheben zurückgehalten.Details of the device may differ from the exemplary embodiments shown. Thus, an upper cover plate can be assigned to the stacking pallets 25, which has a suitable recess in the area of the discharge station 34 for the passage of one blank stack 22 in each case. The remaining or adjacent stack of blanks 22 are held back against being lifted by this cover plate.

Die beschriebene Vorrichtung ist besonders vorteilhaft in Verbindung mit einer Verpackungsmaschine für Klappschachteln gemäß DE-Patent P 24 40 006 ersetzbar. Diese Verpackungsmaschine ist mit einem um eine vertikale Achse drehbaren Faltrevolver 75 ausgerüstet, der in den Zeichnungen schematisch wiedergegeben ist. Das Zuschnitt-Magazin 23 bzw. die Zuschnitt-Magazine sind oberhalb des Faltrevolvers 75 angeordnet, so daß die Zuschnitte dem Faltrevolver 75 in der im Patent P 24 40 006 beschriebenen Weise zugeführt werden können.The device described is particularly advantageously replaceable in connection with a packaging machine for folding boxes according to DE patent P 24 40 006. This packaging machine is equipped with a folding turret 75 which is rotatable about a vertical axis and is shown schematically in the drawings. The blank magazine 23 or the blank magazines are arranged above the folding turret 75, so that the blanks can be fed to the folding turret 75 in the manner described in patent P 24 40 006.

Claims (15)

  1. Apparatus for feeding blanks to a packaging machine, especially for the production of hinge-lid (cigarette) packs, the blanks (21) produced elsewhere being taken as a blank stack (22) from a transportable stack carrier by a stack conveyor (27), fed to a blank magazine (23) located at the machine, and individual blanks for producing the packs being extracted from this, characterized by the following features:
    - the fixed stack conveyor (27) assigned to the packaging machine has an elevator (45), with means to remove individual blank stacks (22) from the stack carrier (stack pallet 25) upwards,
    - attached to the elevator (45) there is at least one cross-conveyor (47, 68) running above the packaging machine (20), with means to transport the individual blanks (27) in the form of a stack to the magazine on the working side of the packaging machine.
  2. Apparatus according to Claim 1, characterised in that the stack pallet (25) is designed for removal of the blank stacks (22) by means of the elevator (45) and reception, at any particular time, of several blank stacks (22) close to one another in rows (stack rows 32, 33), elongate blanks (22) having their longitudinal extension directed transversely relative to the stack rows (32, 33).
  3. Apparatus according to Claim 1 or 2, characterised in that the blank stacks (22) can be fed to the stack conveyor (27) by shifting the blank stacks (22) of a particular stack row (32 or 33).
  4. Apparatus according to Claim 3 and one or more of the further claims, characterised in that a receiving point (located at the edge) is assigned to each stack row (32, 33), and as a result of a shift of the stack pallet (25) in steps the particular stack row (33) to be discharged can be moved into the position adjacent to the stack conveyor (27).
  5. Apparatus according to Claim 1 and one or more of the further claims, characterised in that a blank stack (22) can be grasped fropm below by the stack conveyor (27), and in the region of the take-over of a blank stack (22) by the stack conveyor (27) the stack pallet (25) is provided with a recess (35) for the passage of a lifting part (lower clamping jaw 36) of the stack conveyor (27).
  6. Apparatus according to Claim 3 and one or more of the further claims, characterised in that the blank stacks (22) of the stack rows (33) can be shifted in the direction of the stack conveyor (27) by a transverse slide (38) in accordance with the discharge of blank stacks (22).
  7. Apparatus according to Claim 1 and one or more of the further claims, characterised in that a stack row (33) to be discharged in stack form by the stack conveyor (27) can be detached on the stack pallet (25) from the further adjacent stack rows (32), in particular as a result of the retention (clamping) of the stack row (33) to be discharged and the relative shift of the stack pallet (25) together with the remaining stack rows (32).
  8. Apparatus according to Claim 5 and one or more of the further claims, characterised in that pasrticularly T-shaped recesses (35) open towards the edge are arranged in the region of each stack row (32, 33) at the edge of the stack pallet (25).
  9. Apparatus according to Claim 1 and one or more of the further claims, characterised in that the elevator (45) has a stack receiver, especially upper and lower clamping jaws (36, 37), begtween which the blank stack (22) is received.
  10. Apparatus according to Claim 9, characterised in that the stack receiver (clamping jaw 36, 37) is movable up and down on a vertical spindle (49) driven to rotate, the lower clamping jaw (36) being mounted on the spindle (49) by means of a spindle nut (74) and the upper clamping jaw (37) being mounted freely displacably on the spindle (49) by means of a guide sleeve (55), and the clamping jaws (36, 37) being movable relative to one another in the clamping direction by means of an actuating member (pressure-medium cylinder).
  11. Apparatus according to Claim 1 and one or more of the further claims, characterised in that the cross-conveyor (47, 68) extending above the packaging machine (20) has upper and lower conveyor belts (60, 61).
  12. Apparatus according to Claim 11 and one or more of the further claims, characterised in that adjacent to the end of the cross-conveyor (47, 68), especially to the end of the conveyor belts (60, 61), is a lowering conveyor (48) for conveying the blank stacks (22) to the balnk magazine (23), in particularly a supporting web (66) which is movable up and down and movable transversely and on which a blank stack (22) rests during the downward movement.
  13. Apparatus according to Claim 12 and one or more of the further claims, characterised in that at the delivery end of the conveyor belts (60, 61) of the cross-conveyor (47, 68) is arranged a receiver and transfer member for the blank stacks (22), especially two pivotable lateral supporting arms (63, 64) with supporting legs (65), in which a blank stack (22) rests after being delivered by the conveyor belt (60, 61), the supporting arms (63, 64) being pivotable out of a receiving position into a delivery position.
  14. Apparatus according to Claim 11 and one or more of the further claims, characterised in that two cross conveyors (47, 68) are arranged parallel and next to one another and can be fed by means of a common elevator (45), the cross-conveyors (47, 68) being connected to one another by means of a connecting platform (67) for transferring blank stacks (22).
  15. Apparatus according to Claim 1 and one or more of the further claims, characterised in that two or more stack pallets (25, 71) of the packaging machine (20) can be advanced independently of one another, a s4eparate stack conveyor (27) being assigned to each stack pallet (25, 71).
EP87110424A 1986-08-16 1987-07-18 Device for feeding blanks to a packing machine Expired - Lifetime EP0258597B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863627868 DE3627868A1 (en) 1986-08-16 1986-08-16 DEVICE FOR FEEDING CUTS TO A PACKING MACHINE
DE3627868 1986-08-16

Publications (3)

Publication Number Publication Date
EP0258597A2 EP0258597A2 (en) 1988-03-09
EP0258597A3 EP0258597A3 (en) 1989-01-04
EP0258597B1 true EP0258597B1 (en) 1993-02-24

Family

ID=6307563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87110424A Expired - Lifetime EP0258597B1 (en) 1986-08-16 1987-07-18 Device for feeding blanks to a packing machine

Country Status (7)

Country Link
US (1) US4907941A (en)
EP (1) EP0258597B1 (en)
JP (1) JPH0764447B2 (en)
CN (1) CN1011684B (en)
BR (1) BR8704232A (en)
CA (1) CA1308423C (en)
DE (2) DE3627868A1 (en)

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Also Published As

Publication number Publication date
CN87105663A (en) 1988-03-23
CA1308423C (en) 1992-10-06
BR8704232A (en) 1988-04-12
EP0258597A2 (en) 1988-03-09
DE3627868A1 (en) 1988-02-18
CN1011684B (en) 1991-02-20
US4907941A (en) 1990-03-13
JPS6351223A (en) 1988-03-04
EP0258597A3 (en) 1989-01-04
JPH0764447B2 (en) 1995-07-12
DE3784284D1 (en) 1993-04-01

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