EP1001878A1 - Machine for gluing folding cartons for producing folding cartons from blanks - Google Patents

Machine for gluing folding cartons for producing folding cartons from blanks

Info

Publication number
EP1001878A1
EP1001878A1 EP99927823A EP99927823A EP1001878A1 EP 1001878 A1 EP1001878 A1 EP 1001878A1 EP 99927823 A EP99927823 A EP 99927823A EP 99927823 A EP99927823 A EP 99927823A EP 1001878 A1 EP1001878 A1 EP 1001878A1
Authority
EP
European Patent Office
Prior art keywords
folding
belt
blanks
conveyor belts
transfer station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99927823A
Other languages
German (de)
French (fr)
Other versions
EP1001878B1 (en
Inventor
Hubert Pons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Jagenberg Diana GmbH
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
Priority claimed from DE19828820A external-priority patent/DE19828820C2/en
Application filed by Jagenberg Diana GmbH filed Critical Jagenberg Diana GmbH
Publication of EP1001878A1 publication Critical patent/EP1001878A1/en
Application granted granted Critical
Publication of EP1001878B1 publication Critical patent/EP1001878B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • B65H5/023—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts between a pair of belts forming a transport nip
    • 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
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B31B2100/0022—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed made from tubular webs or blanks, including by tube or bottom forming operations
    • 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
    • B31B50/003—Straightening the side walls of boxes; Squaring collapsed folded box blanks; Deforming boxes
    • 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
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/042—Feeding sheets or blanks using rolls, belts or chains
    • 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
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/62—Uniting opposed surfaces or edges; Taping by adhesives
    • B31B50/626—Arrangements for permitting the glue to set
    • 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
    • B31B50/92—Delivering
    • B31B50/94—Delivering singly or in succession
    • B31B50/96—Delivering singly or in succession in an overlapping arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed

Definitions

  • the invention relates to a folding box pusher for the production of folding boxes from blanks with a folding station in which the cut parts provided with an adhesive strip are folded, a subsequent transfer station, which has at least one pair of conveyor belts as a conveyor, which consists of a lower belt and an upper belt, and a collecting and pressing device in which the folded flat boxes are pressed to set the adhesive.
  • Folding box gluing machines for the production of folding boxes from blanks have, as is known, several processing stations which the blanks / boxes pass through one after the other:
  • the blanks are first pulled from a stack one after the other at high speed and individually fed either directly to a folding station or initially to a so-called pre-crusher, which is connected upstream of the folding station.
  • the folding station the cut parts provided with an adhesive strip are folded over by 180 ° to produce an adhesive connection, that is to say folded.
  • the folding flaps are folded back and forth before applying adhesive so that the corresponding longitudinal creasing lines are made soft and smooth by kinking them through 180 °.
  • the folding station is usually followed by a so-called transfer station, in which the boxes are counted, marked and - if defective - can be rejected. This is followed by a collecting and pressing device, in which a stream of folded blanks is first formed, which then
  • REPLACEMENT SHEET (RULE 26) is held under pressure for a while between the press belts so that the two cut pieces are connected at the adhesive seam. At the end there is usually a packing device in which the folded folded boxes are packed in cardboard boxes.
  • the transfer station has the primary task of feeding the folded blanks, which have not yet set an adhesive, in all parts precisely aligned to the collecting and pressing device. Between the press belts of the collecting and pressing device, the box parts to be glued are fixed to one another in the form in which they are conveyed. This means that the relative position of two box parts to one another can no longer be corrected there.
  • the folded blanks are transported through the stations by means of two pairs of conveyor belts which are arranged at a distance from one another in such a way that they hold the blanks on their sides from above and below.
  • the so-called “fish tail effect” can undesirably occur in the folding station:
  • the fish tail effect refers to a relative shift in the upper parts of the box, the flipped side flaps the lower parts of the box, the bottom, in such a way that the side flaps are each slightly turned inwards at the front, so that their longitudinal edge no longer runs exactly parallel to the longitudinal edges of the bottom. This undesirable shift is caused by the fact that the folding belts first lift the side flaps to be folded forward in the direction of travel.
  • the invention has for its object to improve a generic folding carton gluing machine so that the folded blanks with precisely aligned side tabs can be transferred to the press belts of the collecting and pressing device.
  • the conveying speed of the upper transport belts can be increased relative to the conveying speed of the lower transport belts in the transfer station in order to shift the upper box parts relative to the lower box parts to correct the fishtail effect.
  • Figure 1 shows a schematic side view of the individual stations of a folder gluer.
  • FIG. 2 shows a perspective illustration of the structure of a transfer station.
  • the folding box machine starts with an insert 1, which pulls the blanks to be processed one after the other from a stack at high speed and feeds them individually to the subsequent processing station.
  • the feeder 1 is followed by a primary crusher 2 which, in the present exemplary embodiment, has two stages.
  • the primary crusher 2 contains folding elements in order to fold folding flaps back and forth so that the corresponding longitudinal creasing lines are made soft and supple by kinking by 180 °.
  • the two-stage embodiment makes it possible to break more longitudinal and transverse creasing lines and to carry out additional folds.
  • adhesive applicators are already arranged within the primary crusher in order to apply additional adhesive strips in the longitudinal direction.
  • the pre-crusher 2 is followed by the folding station 3 as the next work station, at the beginning of which an application unit 4 for adhesive, usually for glue, is arranged.
  • the adhesive Fabric applicator 4 contains glue nozzles or glue disks, from which the adhesive is applied in strips to the blanks.
  • the folding flaps of the blanks of folding elements are then folded.
  • FIG. 2 The structure of a transfer station is shown in more detail in FIG. 2:
  • the transfer station 5 contains, as a conveying device for the blanks, two pairs of belts which extend parallel and at a distance from one another in the conveying direction and each consist of a lower belt 7 and an upper belt 8.
  • the folded blanks are conveyed lying between the upper runs of the lower belts 7 and the lower runs of the upper belts 8, the upper belts 8 holding down the folded-over side tabs of the blanks.
  • the conveying direction of the belts 7, 8 in FIG. 2 runs from the bottom right to the top left.
  • Each of the lower conveyor belts 7 revolves around a pulley 9, which is seated on a driven polygonal shaft 1 1 and can be moved transversely.
  • the upper conveyor belts 8 rotate pulleys 10, which are fastened to be displaceable on a driven polygonal shaft 1 2. Both pairs of belts 7, 8 can be positioned transversely in order to adapt their working position to the respective box format.
  • the drive shaft 1 1 of the lower belt 7 is driven by a gear from the central drive 1 3 of the folder gluer.
  • the drive shaft 1 2 of the upper belt 8 is also driven by the lower shaft 1 1 via a gear 14 with a limited variable transmission ratio.
  • the gear 14 connecting the two shafts 1 1, 1 2 is preferably a traction mechanism gear, in particular a belt transmission, which is fastened to the outside of the machine on the side wall 15 of the machine.
  • a flat or V-belt transmission with an adjustable cone drive is used.
  • the transmission 14 is designed with a variable transmission ratio so that the ratio of the conveying speed of the upper belts 8 to the speed of the lower belts 7 can be varied continuously from 1: 1 to 1.1: 1.
  • the conveying speed of the upper belt 8 can thus be increased relative to the conveying speed of the lower belt 7 exactly by the amount that is required to move the box parts above into the correct position relative to the box parts below.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Abstract

Known machines for gluing folding cartons for the production of folding cartons from blanks comprise a folding station (3) for folding blank parts, a transfer station (5) connected thereto and a collecting and pressing device (6) in which the flat-folded folding cartons are pressed to enable the adhesive to set. The transfer station (5) as conveyor device contains at least one pair of conveying belts which consists of a lower belt (7) and an upper belt (8). To make it possible for the folded blanks to be transferred to the collecting and pressing device (6) with precisely aligned lateral flaps the invention provides for means which in the transfer station (5) drive the upper conveying belt (8) at a higher speed than the lower conveying belt (7).

Description

B E S C H R E I B U N G DESCRIPTION
Faltschachtelklebemaschine zur Herstellung von Faltschachteln aus ZuschnittenFolding box gluing machine for the production of folding boxes from blanks
Technisches GebietTechnical field
Die Erfindung betrifft eine Faltschachtelkiebemaschine zur Herstellung von Faltschachteln aus Zuschnitten mit einer Faltstation, in der die mit einem Klebestreifen versehenen Zuschnitteile gefaltet werden, einer sich anschließenden Überleitstation, die als Fördereinrichtung zumindest ein Förderriemenpaar aufweist, das aus einem unteren Riemen und einem oberen Riemen besteht und einer Sammel- und Preßeinrichtung, in der die flachliegend gefalteten Faltschachteln zum Abbinden des Klebstoffs gepreßt werden.The invention relates to a folding box pusher for the production of folding boxes from blanks with a folding station in which the cut parts provided with an adhesive strip are folded, a subsequent transfer station, which has at least one pair of conveyor belts as a conveyor, which consists of a lower belt and an upper belt, and a collecting and pressing device in which the folded flat boxes are pressed to set the adhesive.
Stand der TechnikState of the art
Faltschachtelklebemaschinen zur Herstellung von Faltschachteln aus Zuschnitten weisen bekannterweise mehrere Bearbeitungsstationen auf, die von den Zuschnitten/Schachteln nacheinander durchlaufen werden:Folding box gluing machines for the production of folding boxes from blanks have, as is known, several processing stations which the blanks / boxes pass through one after the other:
Die Zuschnitte werden zunächst in einem Einleger mit hoher Geschwindigkeit aus einem Stapel nacheinander abgezogen und einzeln entweder direkt einer Faltstation oder zunächst einem sogenannten Vorbrecher zugeführt, der der Faltstation vorgeschaltet ist. In der Faltstation werden die mit einem Klebestreifen versehenen Zuschnitteile zur Herstellung einer Klebeverbindung um 1 80 ° umgelegt, also gefaltet. Im Vorbrecher werden die Faltlappen vor dem Auftragen von Klebstoff vor- und zurückgefaltet, damit die entsprechenden Längsrillinien durch Knicken um 1 80° weich und geschmeidig gemacht werden.The blanks are first pulled from a stack one after the other at high speed and individually fed either directly to a folding station or initially to a so-called pre-crusher, which is connected upstream of the folding station. In the folding station, the cut parts provided with an adhesive strip are folded over by 180 ° to produce an adhesive connection, that is to say folded. In the primary crusher, the folding flaps are folded back and forth before applying adhesive so that the corresponding longitudinal creasing lines are made soft and smooth by kinking them through 180 °.
Im Anschluß an die Faltstation folgt üblicherweise eine sogenannte Überleitstation, in der die Schachteln gezählt, markiert und - falls schadhaft - ausgeschleust werden können. Danach folgt eine Sammel- und Preßeinrichtung, in der zunächst ein Schuppenstrom aus gefalteten Zuschnitten gebildet wird, der anschließendThe folding station is usually followed by a so-called transfer station, in which the boxes are counted, marked and - if defective - can be rejected. This is followed by a collecting and pressing device, in which a stream of folded blanks is first formed, which then
SRSATZBLATT (REGEL 26) zwischen Preßbändern für einige Zeit unter Druck gehalten wird, damit die beiden Zuschnitteile an der Klebenaht verbunden werden. Als Abschluß folgt üblicherweise eine Packeinrichtung, in der die flachliegend gefalteten Faltschachteln in Umkartons gepackt werden.REPLACEMENT SHEET (RULE 26) is held under pressure for a while between the press belts so that the two cut pieces are connected at the adhesive seam. At the end there is usually a packing device in which the folded folded boxes are packed in cardboard boxes.
Die Überieitstation hat die primäre Aufgabe, die gefalteten, mit einem noch nicht abgebundenen Klebemittel versehenen Zuschnitte in allen Teilen exakt ausgerichtet der Sammel- und Preßeinrichtung zuzuführen. Zwischen den Preßbändern der Sammel- und Preßeinrichtung werden die zu verklebenden Schachtelteile in der Form aufeinander fixiert, in der sie angefördert werden. Dies führt dazu, daß die relative Position zweier Schachtelteile zueinander dort nicht mehr korrigiert werden kann.The transfer station has the primary task of feeding the folded blanks, which have not yet set an adhesive, in all parts precisely aligned to the collecting and pressing device. Between the press belts of the collecting and pressing device, the box parts to be glued are fixed to one another in the form in which they are conveyed. This means that the relative position of two box parts to one another can no longer be corrected there.
Bekannterweise werden die gefalteten Zuschnitte durch die Stationen mittels zweier Förderriemenpaare transportiert, die mit Abstand voneinander so angeordnet sind, daß sie die Zuschnitte an deren Seiten von oben und unten haltend führen. Bei Schachteln, bei denen an jeder Längsseite ein Seitenlappen umgelegt wird, der jeweils von einem seitlichen Riemen niedergedrückt wird, kann in der Faltstation unerwünschterweise der sogenannte "Fischschwanzeffekt" auftreten: Unter Fischschwanzeffekt bezeichnet man eine relative Verschiebung der oberen Schachtelteile, der umgelegten Seitenlappen, zu den unteren Schachtelteilen, dem Boden, dahingehend, daß die Seitenlappen vorne jeweils etwas nach innen verdreht werden, also ihre Längskante nicht mehr exakt parallel zu den Längskanten des Bodens verlaufen. Verursacht wird diese unerwünschte Verschiebung dadurch, daß die Faltriemen die umzulegenden Seitenlappen zuerst in Laufrichtung vorne anheben.As is known, the folded blanks are transported through the stations by means of two pairs of conveyor belts which are arranged at a distance from one another in such a way that they hold the blanks on their sides from above and below. In the case of boxes in which a side flap is flipped on each long side, each of which is pressed down by a side strap, the so-called "fish tail effect" can undesirably occur in the folding station: The fish tail effect refers to a relative shift in the upper parts of the box, the flipped side flaps the lower parts of the box, the bottom, in such a way that the side flaps are each slightly turned inwards at the front, so that their longitudinal edge no longer runs exactly parallel to the longitudinal edges of the bottom. This undesirable shift is caused by the fact that the folding belts first lift the side flaps to be folded forward in the direction of travel.
Darstellung der ErfindungPresentation of the invention
Der Erfindung liegt die Aufgabe zugrunde, eine gattungsgemäße Faltschachtelklebemaschine so zu verbessern, daß die gefalteten Zuschnitte mit exakt ausgerichteten Seitenlappen den Preßbändern der Sammel- und Preßeinrichtung übergeben werden können.The invention has for its object to improve a generic folding carton gluing machine so that the folded blanks with precisely aligned side tabs can be transferred to the press belts of the collecting and pressing device.
Diese Aufgabe wird mit den Merkmalen des Patentanspruchs 1 gelöst.This object is achieved with the features of patent claim 1.
ERSÄTZBLÄTT (REGEL 26) Nach der Erfindung kann in der Überleitstation die Fördergeschwindigkeit der oberen Transportriemen relativ zu der Fördergeschwindigkeit der unteren Transportriemen vergrößert werden, um die oben liegenden Schachtelteile zur Korrektur des Fischschwanzeffekts relativ zu den unten liegenden Schachtelteilen zu verschieben.ERSÄTZBLÄTT (RULE 26) According to the invention, the conveying speed of the upper transport belts can be increased relative to the conveying speed of the lower transport belts in the transfer station in order to shift the upper box parts relative to the lower box parts to correct the fishtail effect.
Die Unteransprüche enthalten bevorzugte, da besonders vorteilhafte Ausgestaltungen der Erfindung.The subclaims contain preferred, since particularly advantageous, embodiments of the invention.
Kurze Beschreibung der ZeichnungBrief description of the drawing
Die Zeichnung dient zur Erläuterung der Erfindung anhand eines vereinfacht dargestellten Ausführungsbeispiels.The drawing serves to explain the invention with reference to an embodiment shown in simplified form.
Figur 1 zeigt in einer schematischen Seitenansicht die einzelnen Stationen einer Faltschachtelklebemaschine.Figure 1 shows a schematic side view of the individual stations of a folder gluer.
Figur 2 zeigt in einer perspektivischen Darstellung den Aufbau einer Überleitsta- tion.FIG. 2 shows a perspective illustration of the structure of a transfer station.
Wege zur Ausführung der ErfindungWays of Carrying Out the Invention
In Förderrichtung (von rechts nach links) beginnt die Faltschachtelmaschine mit einem Einleger 1 , der die zu verarbeitenden Zuschnitte mit hoher Geschwindigkeit aus einem Stapel nacheinander abzieht und einzeln der nachfolgenden Bearbeitungsstation zuführt. Auf den Einleger 1 folgt ein Vorbrecher 2, der im vorliegenden Ausführungsbeispiel zweistufig ausgebildet ist. Der Vorbrecher 2 enthält Faltelemente, um Faltlappen vor und zurück zu falten, damit die entsprechenden Längsrillinien durch Knicken um 1 80° weich und geschmeidig gemacht werden. Die zweistufige Ausführungsform ermöglicht es, mehr Längs- und Querrillinien zu brechen und zusätzliche Faltungen durchzuführen. Bei bestimmten Schachtelformen werden auch bereits innerhalb des Vorbrechers Klebstoffauftragwerke angeordnet, um zusätzliche Klebestreifen in Längsrichtung aufzutragen. Auf den Vorbrecher 2 folgt als nächste Arbeitsstation die Faltstation 3, an deren Anfang ein Auftragwerk 4 für Klebstoff, üblicherweise für Leim, angeordnet ist. Das Kleb- Stoffauftragwerk 4 enthält Leimdüsen oder Leimscheiben, von denen der Klebstoff streifenförmig auf die Zuschnitte aufgebracht wird. Anschließend werden die Faltlappen der Zuschnitte von Faltelementen gefaltet.In the conveying direction (from right to left), the folding box machine starts with an insert 1, which pulls the blanks to be processed one after the other from a stack at high speed and feeds them individually to the subsequent processing station. The feeder 1 is followed by a primary crusher 2 which, in the present exemplary embodiment, has two stages. The primary crusher 2 contains folding elements in order to fold folding flaps back and forth so that the corresponding longitudinal creasing lines are made soft and supple by kinking by 180 °. The two-stage embodiment makes it possible to break more longitudinal and transverse creasing lines and to carry out additional folds. With certain box shapes, adhesive applicators are already arranged within the primary crusher in order to apply additional adhesive strips in the longitudinal direction. The pre-crusher 2 is followed by the folding station 3 as the next work station, at the beginning of which an application unit 4 for adhesive, usually for glue, is arranged. The adhesive Fabric applicator 4 contains glue nozzles or glue disks, from which the adhesive is applied in strips to the blanks. The folding flaps of the blanks of folding elements are then folded.
In Figur 2 ist der Aufbau einer Überleitstation detaillierter dargestellt:The structure of a transfer station is shown in more detail in FIG. 2:
Die Überleitstation 5 enthält als Fördereinrichtung für die Zuschnitte zwei sich parallel mit Abstand voneinander in Förderrichtung erstreckende Riemenpaare, die jeweils aus einem unteren Riemen 7 und einem oberen Riemen 8 bestehen. Die gefalteten Zuschnitte werden zwischen den oberen Trums der unteren Riemen 7 und den unteren Trums der oberen Riemen 8 liegend gefördert, wobei die oberen Riemen 8 die umgelegten Seitenlappen der Zuschnitte nieder halten. Die Förderrichtung der Riemen 7, 8 in Figur 2 verläuft von rechts unten nach links oben.The transfer station 5 contains, as a conveying device for the blanks, two pairs of belts which extend parallel and at a distance from one another in the conveying direction and each consist of a lower belt 7 and an upper belt 8. The folded blanks are conveyed lying between the upper runs of the lower belts 7 and the lower runs of the upper belts 8, the upper belts 8 holding down the folded-over side tabs of the blanks. The conveying direction of the belts 7, 8 in FIG. 2 runs from the bottom right to the top left.
Jeder der unteren Förderriemen 7 umläuft eine Riemenscheibe 9, die querverschiebbar auf einer angetriebenen Vielkantwelle 1 1 sitzt. Entsprechend umlaufen die oberen Förderriemen 8 Riemenscheiben 10, die querverschiebbar auf einer angetriebenen Vielkantwelle 1 2 befestigt sind. Beide Riemenpaare 7, 8 können so quer positioniert werden, um ihre Arbeitsposition dem jeweiligen Schachtelformat anzupassen.Each of the lower conveyor belts 7 revolves around a pulley 9, which is seated on a driven polygonal shaft 1 1 and can be moved transversely. Correspondingly, the upper conveyor belts 8 rotate pulleys 10, which are fastened to be displaceable on a driven polygonal shaft 1 2. Both pairs of belts 7, 8 can be positioned transversely in order to adapt their working position to the respective box format.
Die Antriebswelle 1 1 der unteren Riemen 7 wird über ein Getriebe von dem zentralen Antrieb 1 3 der Faltschachtelklebemaschine angetrieben. Die Antriebs- welle 1 2 der oberen Riemen 8 wird über ein Getriebe 14 mit begrenzt variablem Übersetzungsverhältnis von der unteren Welle 1 1 mit angetrieben. Bevorzugt ist das die beiden Wellen 1 1 , 1 2 verbindende Getriebe 14 ein Zugmittelgetriebe, insbesondere ein Riemengetriebe, das an der Bedienerseite außen auf der Seitenwand 1 5 der Maschine befestigt ist. Verwendet wird beispielsweise ein Flach- oder Keilriemengetriebe mit einem verstellbaren Konustrieb.The drive shaft 1 1 of the lower belt 7 is driven by a gear from the central drive 1 3 of the folder gluer. The drive shaft 1 2 of the upper belt 8 is also driven by the lower shaft 1 1 via a gear 14 with a limited variable transmission ratio. The gear 14 connecting the two shafts 1 1, 1 2 is preferably a traction mechanism gear, in particular a belt transmission, which is fastened to the outside of the machine on the side wall 15 of the machine. For example, a flat or V-belt transmission with an adjustable cone drive is used.
Das Getriebe 14 ist mit variablem Übersetzungsverhältnis so ausgelegt, daß das Verhältnis der Fördergeschwindigkeit der oberen Riemen 8 zu der Geschwindigkeit der unteren Riemen 7 von 1 :1 bis 1 , 1 : 1 stufenlos variiert werden kann. Die Fördergeschwindigkeit der oberen Riemen 8 kann somit relativ zu der Fördergeschwindigkeit der unteren Riemen 7 exakt um das Maß erhöht werden, das erforderlich ist, um die obeniiegenden Schachtelteile relativ zu den untenliegenden Schachtelteilen in die korrekte Position zu verschieben. The transmission 14 is designed with a variable transmission ratio so that the ratio of the conveying speed of the upper belts 8 to the speed of the lower belts 7 can be varied continuously from 1: 1 to 1.1: 1. The conveying speed of the upper belt 8 can thus be increased relative to the conveying speed of the lower belt 7 exactly by the amount that is required to move the box parts above into the correct position relative to the box parts below.

Claims

P A T E N T A N S P R Ü C H EP A T E N T A N S P R Ü C H E
1 .1 .
Faltschachtelklebemaschine zur Herstellung von Faltschachteln aus Zuschnitten mitFolding box gluing machine for the production of folding boxes from blanks with
- einer Faltstation (3), in der die mit einem Klebestreifen versehenen Zuschnitteile gefaltet werden, - einer sich anschließenden Überleitstation (5) und- A folding station (3), in which the cut parts provided with an adhesive strip are folded, - A subsequent transfer station (5) and
- einer Sammel- und Preßeinrichtung (6), in der die flachliegend gefalteten Faltschachteln zum Abbinden des Klebstoffs gepreßt werden, wobei die Überleitstation (5) als Fördereinrichtung zumindest ein Förderriemenpaar aufweist, das aus einem unteren Riemen (7) und einem oberen Riemen (8) besteht, gekennzeichnet durch Mittel, die in der Überleitstation (5) oberen Förderriemen (8) mit höherer Geschwindigkeit anzutreiben als die unteren Förderriemen (7) .- A collecting and pressing device (6), in which the flat folded folding boxes for pressing the adhesive are pressed, the transfer station (5) as the conveying device having at least one pair of conveyor belts consisting of a lower belt (7) and an upper belt (8 ), characterized by means which drive the upper conveyor belts (8) in the transfer station (5) at a higher speed than the lower conveyor belts (7).
2.Second
Faltschachtelklebemaschine nach Anspruch 1 , dadurch gekennzeichnet, daß die unteren Förderriemen (7) mit den oberen Förderriemen (8) über ein Getriebe (14) mit variablem Übersetzungsverhältnis verbunden sind.Folding carton gluing machine according to claim 1, characterized in that the lower conveyor belts (7) are connected to the upper conveyor belts (8) via a gear (14) with a variable transmission ratio.
3.Third
Faltschachtelklebemaschine nach Anspruch 2, dadurch gekennzeichnet, daß das Getriebe ( 14) ein Zugmittelgetriebe, insbesondere ein Riemengetriebe, ist.Folding carton gluing machine according to claim 2, characterized in that the transmission (14) is a traction mechanism transmission, in particular a belt transmission.
4.4th
Faltschachtelklebemaschine nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die unteren Förderriemen (7) vom Antrieb (1 3) der Faltschachtelklebemaschine angetrieben werden und die Antriebswelle (1 2) der oberen Förderriemen (8) über das Getriebe (14) von der Antriebswelle (1 1 ) der unteren Förderriemen (7) angetrieben wird.Folding carton gluing machine according to claim 2 or 3, characterized in that the lower conveyor belts (7) are driven by the drive (1 3) of the folding carton gluing machine and the drive shaft (1 2) of the upper conveyor belts (8) via the gear (14) by the drive shaft ( 1 1) the lower conveyor belt (7) is driven.
5. Faltschachtelklebemaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß über ein variables Getriebe (14) das Verhältnis der Fördergeschwin-5. folding box gluing machine according to one of claims 1 to 4, characterized in that the ratio of the conveying speed via a variable gear (14)
ERSATZBLAπ (REGEL 26) digkeiten der oberen Riemen (8) zu der Geschwindigkeit der unteren Riemen (7) von 1:1 bis 1,1:1 stufenlos variiert werden kann. REPLACEMENT BLAπ (RULE 26) speed of the upper belt (8) to the speed of the lower belt (7) can be varied continuously from 1: 1 to 1.1: 1.
EP99927823A 1998-06-04 1999-06-01 Machine for gluing folding cartons for producing folding cartons from blanks Expired - Lifetime EP1001878B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19824985 1998-06-04
DE19824985 1998-06-04
DE19828820A DE19828820C2 (en) 1998-06-04 1998-06-27 Folding box gluing machine for the production of folding boxes from blanks
DE19828820 1998-06-27
PCT/EP1999/003786 WO1999062701A1 (en) 1998-06-04 1999-06-01 Machine for gluing folding cartons for producing folding cartons from blanks

Publications (2)

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EP1001878A1 true EP1001878A1 (en) 2000-05-24
EP1001878B1 EP1001878B1 (en) 2004-03-31

Family

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EP99927823A Expired - Lifetime EP1001878B1 (en) 1998-06-04 1999-06-01 Machine for gluing folding cartons for producing folding cartons from blanks

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EP (1) EP1001878B1 (en)
ES (1) ES2217765T3 (en)
WO (1) WO1999062701A1 (en)

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Also Published As

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WO1999062701A1 (en) 1999-12-09
EP1001878B1 (en) 2004-03-31
US6503181B1 (en) 2003-01-07
ES2217765T3 (en) 2004-11-01

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