EP2113374A2 - Folding box gluing machine for manufacturing folding boxes made from blanks - Google Patents

Folding box gluing machine for manufacturing folding boxes made from blanks Download PDF

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Publication number
EP2113374A2
EP2113374A2 EP09100174A EP09100174A EP2113374A2 EP 2113374 A2 EP2113374 A2 EP 2113374A2 EP 09100174 A EP09100174 A EP 09100174A EP 09100174 A EP09100174 A EP 09100174A EP 2113374 A2 EP2113374 A2 EP 2113374A2
Authority
EP
European Patent Office
Prior art keywords
station
folding
blanks
boxes
ejector
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
EP09100174A
Other languages
German (de)
French (fr)
Other versions
EP2113374A3 (en
EP2113374B1 (en
Inventor
Wolfgang Diehr
Thomas Imkamp
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.)
Masterwork Machinery Co Ltd
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP2113374A2 publication Critical patent/EP2113374A2/en
Publication of EP2113374A3 publication Critical patent/EP2113374A3/en
Application granted granted Critical
Publication of EP2113374B1 publication Critical patent/EP2113374B1/en
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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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/62—Article switches or diverters diverting faulty articles from the main streams
    • 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
    • B31B50/006—Controlling; Regulating; Measuring; Improving safety
    • 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
    • B31B50/022—Holders for feeding or positioning blanks or webs
    • B31B50/024—Rotating holders, e.g. star wheels, drums
    • 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
    • B31B50/046—Feeding sheets or blanks involving changing orientation or changing direction of transport
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/25—Driving or guiding arrangements
    • B65H2404/254—Arrangement for varying the guiding or transport length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/268—Arrangement of belts facing a transport surface, e.g. contact glass in copy machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/66—Other elements in face contact with handled material rotating around an axis perpendicular to face of material
    • B65H2404/662—Disc shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B65H2701/1766—Cut-out, multi-layer, e.g. folded blanks or boxes

Definitions

  • the invention relates to a folding box gluing machine according to the preamble of claim 1.
  • the blanks are conveyed through the individual stations by driven conveyors.
  • driven conveyor two or three conveyor belt pairs are used, which are arranged with transverse spacing so that they lead the blanks from above and below holding.
  • the transfer station has at least two pairs of conveyor belts each consisting of an upper and a lower belt.
  • Disc and linear ejectors are devices which are arranged outside next to a belt pair, which serve as conveying elements in the transfer station. These engage on a outside over the belt protruding box part to pull the faulty box between the conveyor belt pair to one side.
  • the transport path is interrupted by a switch device in internal discharge devices.
  • a switch device in internal discharge devices.
  • By deflecting the transport path can be deflected up or down, so that the deflected box blanks are discharged.
  • Such an internal ejection device is for example from the DE 698 16 717 T2 known.
  • a disadvantage of these known internal Ausschleusevoriquesen is that the maximum possible discharge speed due to the physical conditions below the maximum to be processed blank quantity per unit time.
  • Linear ejector Larger boxes are ejected by so-called linear ejector, as in the EP 0 557 609 A1 are described. They contain belt conveyors, between which the boxes are clamped and removed straight from the machine. Linear ejectors require a high construction cost.
  • the object of the present invention is to provide a folding box gluing machine with which faulty blanks can be reliably removed by utilizing the optimum machine speed.
  • the folding box gluing machine contains, in addition to an internal ejection device, at least one further external ejection device.
  • the respective ejection devices can be controlled depending on the box type and / or the desired operating speed for discharging defective carton blanks.
  • the discharge devices are equipped with independent individual drives. This allows the different ones To design Ausschleusevortechnischen as modules, so as to build the Faltschachtelklebemaschine optimally and flexible.
  • Fig. 1 shows by way of example the stations of a folding box gluing machine.
  • this machine starts with a feeder 1, which pulls off the blanks to be processed at high speed from one stack in succession and supplies them individually to the subsequent processing stations.
  • a primary crusher 2 which is formed in two stages in the present embodiment.
  • the pre-crusher 2 includes folding elements for folding and folding back folding flaps, so that the corresponding longitudinal scoring lines are made soft and supple.
  • a folding station 3 at the beginning of a commissioned work 4 for adhesive, usually glue, is arranged.
  • the adhesive applicator 4 contains glue nozzles or glue discs, of which the adhesive is applied in strips on the blanks.
  • the applied adhesive tape is checked.
  • the adhesive strip is scanned contactlessly with a so-called glue seam inspection device. If the tape does not have the required quality, the box is reported as faulty to the central control unit.
  • the folding boxes are checked for folding errors. For this purpose, photocells are arranged in this area, of which the length of the box is scanned. Does the length not conform to the given format, For example, because a flap was not folded properly, so this box is reported to the central control unit as faulty.
  • the folding station 3 is followed by an internal discharge device 7.
  • an internal discharge device 7 By means of this defective carton blanks are discharged in a known manner via a controlled switch, for example, down into a container 8.
  • the internal discharge device 7 is followed by a transfer station 5.
  • This has the primary task, the folded, provided with not yet set adhesive seams cartons aligned in all parts a subsequent collection and pressing device 6 supply.
  • a scale flow is produced from the folded boxes.
  • the collecting and pressing device 6 has press belts, by means of which the adhesive seams are held under pressure during conveying until the adhesive has set securely.
  • a discharge device is additionally arranged, which has an outside next to the conveyor belt pair 9, 9 'or 10, 10' (FIG. Fig. 2a ) includes means for laterally withdrawing defective boxes 12 '.
  • the device for extracting the boxes 12 ' is preferably a turntable ejector or a linear ejector, as described in the introduction to the description and the references cited therein. The ejector grips the boxes 12 on an outside over the conveyor belt 9, 9 'or 10, 10' projecting part 22 and pulls them out of the machine.
  • FIGS. 2a and 2b a known linear ejector is shown by way of example. How out Fig. 2a seen in each case two closely superposed endless conveyor belts 9, 9 'and 10, 10' terminals (of which only in each case the upper band is shown), the box blanks 12 between them and thus form a conveyor line 11. The carton blanks at a velocity V 1 moved in the direction of the arrow. Laterally at an angle ⁇ to the conveyor section 11, an ejector 13 is shown in the form of a linear ejector.
  • the linear ejector consists of a conveyor belt 18 which is guided around two rollers 17 and 19 and a low-friction surface 15. The roller 17 is driven by a motor, not shown. Between conveyor belt 18 and surface 15, the defective carton blanks are pinched and discharged. As a gripper this can serve, for example, a pivotable portion 16 of the conveyor belt, by being guided around a hinged roller 19.
  • the Fig. 3 shows an example of a known Tellerauswerfer.
  • the Tellerauswerfer 30 is also like in Fig. 2a shown linear ejector 13 is arranged side of the conveyor line 11 so that it can detect the protruding portions 22 of the boxes 12 so as toReschleusen faulty boxes 12 '.
  • the Tellerauswerfer 30 includes a permanently rotating at high speed, flat turntable 31 which is driven by an electric motor 32 and which is arranged immediately outside next to the conveyor belt pairs 9, 9 'and 10, 10'.
  • the turntable 31 of the ejector 30 is made of metal or plastic. But it can also be made of metal and wear a plastic coating. It is also conceivable to apply a coating to a metal plate, such as a molybdenum-containing alloy.
  • the Tell Kirswerfer 30 contains at least two pressure plates 33, 34, which are arranged in the direction of joining 11 behind the center and at the outer edge of the turntable 31 in a row.
  • the angle between the pressure plates 33, 34 and the conveyor belt pairs 9,9 'and 10,10' is adjustable via a rotary joint 35 in the holding device of the pressure plates 33, 34.
  • the first pressure plate 33 in the conveying direction is oriented at an acute angle inclined towards the conveying direction of the belt pairs 9,9 'and 10,10' to the outside.
  • the second pressure plate 34 in the conveying direction is preferably at an angle of greater than 45 degrees to the conveying direction of the belt pairs 9,9 'or 10, 10' set.
  • the pressure plates 33, 34 are freely rotatably and movably mounted.
  • the distance between the turntable 31 and the pressure plates 33, 34 are adjusted by means of an angle-shaped lever 36 and an associated adjusting screw 37, wherein the pressure plates 33, 34 do not rest on the turntable 31.
  • the required back pressure to the stop 39 is generated by a spring element 40.

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

Abstract

The machine has two conveying unit pairs as conveying device, where the pairs consist of upper and lower belts. A station is provided before a transfer station (5) and is designed as an internal transfer device for incorrect boxes. An external transfer device (7) is provided in the transfer station. A controller controls the external transfer device as transfer station depending on the respective box type and/or on the operating speed. The external transfer device is designed as a linear ejector and designed as a plate ejector.

Description

Die Erfindung betrifft eine Faltschachtelklebemaschine gemäß dem Oberbegriff von Anspruch 1.The invention relates to a folding box gluing machine according to the preamble of claim 1.

Faltschachtelklebemaschinen zur Herstellung von Faltschachteln aus Zuschnitten weisen bekannter Weise zumindest die folgenden Bearbeitungsstationen auf:

  • Einen Einleger, der die zu verarbeitenden Zuschnitte mit hoher Geschwindigkeit aus einem Stapel nacheinander abzieht und einzeln der nachfolgenden Bearbeitungsstation zuführt,
  • eine Faltstation, in der die mit einem Klebestreifen versehenen Zuschnittteile zur Herstellung einer Klebeverbindung um 180° umgelegt, also gefaltet werden,
  • eine Überleitstation, die die gefalteten, mit noch nicht abgebundenen Klebenähten versehenen Zuschnitte in allen Teilen exakt ausgerichtet der nachfolgenden Sammel-und Presseinrichtung zuführt und
  • eine Sammel- und Presseinrichtung, in der zunächst ein Schuppenstrom aus gefalteten Zuschnitten gebildet wird, der anschließend zwischen Pressbändem für einige Zeit unter Druck gehalten wird, damit die Klebenähte abbinden.
Folding box gluing machines for producing folding boxes from blanks have, as is known, at least the following processing stations:
  • An inserter which pulls the blanks from a stack one after the other at high speed and feeds them one by one to the following processing station,
  • a folding station in which the blank parts provided with an adhesive strip are folded by 180 °, ie folded, to produce an adhesive bond,
  • a transfer station, which supplies the folded, provided with not yet set adhesive seam blanks in all parts exactly the subsequent collection and pressing device and
  • a collecting and pressing device in which initially a shingled stream of folded blanks is formed, which is then held between Pressbändem for some time under pressure, so that the adhesive seams set.

Die Zuschnitte werden durch die einzelne Stationen durch angetriebene Fördermittel gefördert. Als angetriebene Fördermittel werden zwei oder drei Förderriemenpaare verwendet, die mit Querabstand so angeordnet sind, dass sie die Zuschnitte von oben und unten haltend führen.The blanks are conveyed through the individual stations by driven conveyors. As driven conveyor two or three conveyor belt pairs are used, which are arranged with transverse spacing so that they lead the blanks from above and below holding.

Es ist bekannt, in der Überleitstation eine Ausschleuseeinrichtung anzuordnen, um als fehlerhaft detektierte Schachteln auszuschleusen, bevor zu Beginn der Sammel- und Presseinrichtung der Schuppenstrom aus Schachteln hergestellt wird. Durch die Überleitstation werden die Schachteln noch einzeln und mit Abstand voneinander gefördert, so dass eine einzelne Schachtel aus der Maschine herausgezogen werden kann. Fehlerhafte Schachteln sind beispielsweise Schachteln, die nicht ausreichend beleimt sind, Schachteln die Faltungsfehler enthalten oder Schachteln, die bei einer Identitätskontrolle als nicht zum Auftrag gehörig erkannt werden. Als Förderelemente weist die Überleitstation zumindest zwei jeweils aus einem oberen und einem unteren Riemen bestehende Förderriemenpaare auf.It is known to arrange a discharge device in the transfer station in order to discharge as incorrectly detected boxes before the shingled stream of boxes is produced at the beginning of the collecting and pressing device. Through the Überleitstation the boxes are still individually and at a distance from each other promoted, so that a single box can be pulled out of the machine. Defective boxes include, for example, boxes that are not adequately glued, boxes that contain folding errors, or boxes that are identified as not belonging to the job during an identity check. As conveying elements, the transfer station has at least two pairs of conveyor belts each consisting of an upper and a lower belt.

Um fehlerhafte Faltschachtelzuschnitte oder Faltschachteln aus dem Förderstrom zu entfernen sind aus dem Stand der Technik neben externen Ausschleuseinrichtungen wie Teller- und Linearauswerfern auch interne Ausschleuseeinrichtungen bekannt.In order to remove faulty folding box blanks or folding boxes from the flow, internal Ausschleuseeinrichtungen are known from the prior art in addition to external discharge devices such as plate and Linearauswerfern.

Teller- und Linearauswerfer sind Vorrichtungen, die außen neben einem Riemenpaar, die als Förderelemente in der Überleitstation dienen, angeordnet sind. Diese greifen an einem außen über die Riemen überstehenden Schachtelteil an, um die fehlerhafte Schachtel zwischen dem Förderriemenpaar hindurch nach einer Seite herauszuziehen.Disc and linear ejectors are devices which are arranged outside next to a belt pair, which serve as conveying elements in the transfer station. These engage on a outside over the belt protruding box part to pull the faulty box between the conveyor belt pair to one side.

Demgegenüber wird bei internen Ausschleusvorrichtungen die Transportbahn durch eine Weichenvorrichtung unterbrochen. Durch Ablenkungsmittel kann die Transportbahn nach oben oder unten abgelenkt werden, so dass die abgelenkten Schachtelzuschnitte ausgeschleust werden. Eine solche interne Ausschleusevorrichtung ist beispielsweise aus der DE 698 16 717 T2 bekannt. Nachteilig an diesen bekannten internen Ausschleusevorrichtungen ist, dass die maximal mögliche Ausschleusgeschwindigkeit aufgrund der physikalischen Gegebenheiten unterhalb der maximal zu verarbeitenden Zuschnittmenge pro Zeiteinheit liegt.In contrast, the transport path is interrupted by a switch device in internal discharge devices. By deflecting the transport path can be deflected up or down, so that the deflected box blanks are discharged. Such an internal ejection device is for example from the DE 698 16 717 T2 known. A disadvantage of these known internal Ausschleusevorrichtungen is that the maximum possible discharge speed due to the physical conditions below the maximum to be processed blank quantity per unit time.

Für externe Ausschleuseeinrichtungen sind, wie erwähnt, als Einrichtungen zum Herausziehen der Schachteln sogenannte Drehteller-Auswerfer bekannt, die einen mit hoher Drehzahl angetriebenen und bis unter die überstehenden Schachtelteile reichenden Drehteller und darüber angeordnete Klemmelementen enthalten. Bei einer fehlerhaften Schachtel wird diese mit den Klemmelementen auf den Drehteller festgeklemmt und durch die Drehung aus der Maschine gezogen. Eine derartige Einrichtung ist in der DE 102 24 814 A1 beschrieben. Drehteller-Auswerfer sind betriebssicher und erfordern geringen Bauaufwand, sind aber nur für kleine bis mittelgroße Schachteln geeignet.For external Ausschleuseeinrichtungen, as mentioned, as means for pulling out the boxes so-called turntable ejector known that contain a driven at high speed and reaching below the projecting box parts turntable and arranged above clamping elements. In case of a faulty box this is clamped with the clamping elements on the turntable and pulled by the rotation of the machine. Such a device is in the DE 102 24 814 A1 described. Turntable ejectors are reliable and require little construction, but are only suitable for small to medium sized boxes.

Größere Schachteln werden durch sogenannte Linear-Auswerfer ausgeschleust, wie sie in der EP 0 557 609 A1 beschrieben sind. Sie enthalten Bandförderer, zwischen denen die Schachteln eingeklemmt und geradlinig aus der Maschine entfernt werden. Linear-Auswerfer erfordern einen hohen baulichen Aufwand.Larger boxes are ejected by so-called linear ejector, as in the EP 0 557 609 A1 are described. They contain belt conveyors, between which the boxes are clamped and removed straight from the machine. Linear ejectors require a high construction cost.

Sowohl mit Tellerauswerfer, als auch mit Linear-Auswerfern ist kein zuverlässiges Ausschleusen von Faltbodenschachteln, 4-Punkt-Schachteln, 6-Punkt-Schachteln oder Schachteln mit komplizierten Geometrien möglich. Für diese Schachtelarten ist es sinnvoller, interne Ausschleuseeinrichtungen zu verwenden.Both disc ejectors and linear ejectors do not allow the reliable removal of folded bottom boxes, 4-point boxes, 6-point boxes or boxes with complicated geometries. For these types of boxes, it makes more sense to use internal Ausschleuseeinrichtungen.

Aufgabe der vorliegenden Erfindung ist, eine Faltschachtelklebemaschine zu schaffen, mit der fehlerhafte Zuschnitte sicher ausgeschleust werden können unter Ausnutzung der optimalen Maschinengeschwindigkeit.The object of the present invention is to provide a folding box gluing machine with which faulty blanks can be reliably removed by utilizing the optimum machine speed.

Gelöst wird diese Aufgabe durch eine Faltschachtelklebemaschine mit den Merkmalen des kennzeichnenden Teils von Anspruch 1.This object is achieved by a folding box gluing machine with the features of the characterizing part of claim 1.

Die Faltschachtelklebemaschine enthält neben einer internen Ausschleusevorrichtung mindestens eine weitere externe Ausschleusevorrichtung. Die jeweiligen Ausschleusevorrichtungen können in Abhängigkeit vom Schachteltyp und / oder von der gewünschten Betriebsgeschwindigkeit zum Ausschleusen von fehlerhaften Schachtelzuschnitten angesteuert werden.The folding box gluing machine contains, in addition to an internal ejection device, at least one further external ejection device. The respective ejection devices can be controlled depending on the box type and / or the desired operating speed for discharging defective carton blanks.

Mit dieser Vorrichtung ist es sodann möglich, die bereits geschilderten Vorteile der einzelnen Ausschleusevorrichtungen zu nutzen und darüberhinaus die Vorteile zu kombinieren.With this device, it is then possible to use the already described advantages of the individual ejection devices and moreover to combine the advantages.

In einer besonders bevorzugten Ausführungsform sind die Ausschleusevorrichtungen mit unabhängigen Einzelantrieben ausgestattet. Dies ermöglicht es, die unterschiedlichen Ausschleusevorrichtungen als Module auszugestalten, um so die Faltschachtelklebemaschine optimal und flexible aufzubauen.In a particularly preferred embodiment, the discharge devices are equipped with independent individual drives. This allows the different ones To design Ausschleusevorrichtungen as modules, so as to build the Faltschachtelklebemaschine optimally and flexible.

Nachfolgend wird die Erfindung anhand der in den Zeichnungen dargestellten Ausführungsbeispiele näher erläutert.The invention will be explained in more detail with reference to the embodiments illustrated in the drawings.

Es zeigen:Show it:

Fig. 1Fig. 1
eine schematische Seitenansicht einzelner Stationen einer Faltschachtelklebemaschinea schematic side view of individual stations a Faltschachtelklebemaschine
Fig. 2a, 2bFig. 2a, 2b
zeigen eine schematische Darstellung eines bekannten Linearauswerfersshow a schematic representation of a known Linearauswerfers
Fig. 3Fig. 3
zeigt eine schematische Darstellung eines bekannten Tellerauswerfersshows a schematic representation of a known Tellerauswerfers

Fig. 1 zeigt beispielhaft die Stationen einer Faltschachtelklebemaschine. In Förderrichtung (von links nach rechts) beginnt diese Maschine mit einem Einleger 1, der die zu verarbeitenden Zuschnitte mit hoher Geschwindigkeit von einem Stapel nacheinander abzieht und einzeln den nachfolgenden Bearbeitungsstationen 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 zurückzufalten, damit die entsprechenden Längsrilllinien weich und geschmeidig gemacht werden. Fig. 1 shows by way of example the stations of a folding box gluing machine. In the conveying direction (from left to right), this machine starts with a feeder 1, which pulls off the blanks to be processed at high speed from one stack in succession and supplies them individually to the subsequent processing stations. On the insert 1 follows a primary crusher 2, which is formed in two stages in the present embodiment. The pre-crusher 2 includes folding elements for folding and folding back folding flaps, so that the corresponding longitudinal scoring lines are made soft and supple.

Auf den Vorbrecher 2 folgt als nächste Bearbeitungsstation eine Faltstation 3, an deren Anfang ein Auftragswerk 4 für Klebstoff, üblicherweise Leim, angeordnet ist. Das Klebstoffauftragswerk 4 enthält Leimdüsen oder Leimscheiben, von denen der Klebstoff streifenförmig auf die Zuschnitte aufgebracht wird. Bevor die mit Klebestreifen versehenen Faltlappen von Faltelementen der Faltstation 3 gefaltet werden, erfolgt eine Kontrolle des aufgetragenen Klebestreifens. Dazu wird der Klebestreifen mit einem sogenannten Leimnahtkontrollgerät berührungslos abgetastet. Falls der Klebestreifen nicht die geforderte Qualität aufweist, wird die Schachtel der zentralen Steuereinheit als fehlerhaft gemeldet. Am Ende der Faltstation 3 werden die Faltschachteln auf Faltungsfehler geprüft. Dazu sind in diesem Bereich Fotozellen angeordnet, von denen die Schachtellänge abgetastet wird. Entspricht die Länge nicht dem vorgegebenen Format, beispielsweise weil ein Lappen nicht ordnungsgemäß gefaltet wurde, so wird auch diese Schachtel der zentralen Steuereinheit als fehlerhaft gemeldet.On the primary crusher 2 follows as the next processing station a folding station 3, at the beginning of a commissioned work 4 for adhesive, usually glue, is arranged. The adhesive applicator 4 contains glue nozzles or glue discs, of which the adhesive is applied in strips on the blanks. Before the folding tabs provided with adhesive strips are folded by folding elements of the folding station 3, the applied adhesive tape is checked. For this purpose, the adhesive strip is scanned contactlessly with a so-called glue seam inspection device. If the tape does not have the required quality, the box is reported as faulty to the central control unit. At the end of the folding station 3, the folding boxes are checked for folding errors. For this purpose, photocells are arranged in this area, of which the length of the box is scanned. Does the length not conform to the given format, For example, because a flap was not folded properly, so this box is reported to the central control unit as faulty.

An die Faltstation 3 schließt sich eine interne Ausschleuseeinrichtung 7 an. Mittels dieser werden fehlerhafte Schachtelzuschnitte in bekannter Weise über eine angesteuerte Weiche beispielsweise nach unten in einen Behälter 8 ausgeschleust.The folding station 3 is followed by an internal discharge device 7. By means of this defective carton blanks are discharged in a known manner via a controlled switch, for example, down into a container 8.

An die interne Ausschleusevorrichtung 7 schließt sich eine Überleitstation 5 an. Diese hat die primäre Aufgabe, die gefalteten, mit noch nicht abgebundenen Klebenähten versehenen Faltschachteln in allen Teilen ausgerichtet einer nachfolgenden Sammel- und Presseinrichtung 6 zuzuführen. Beim Übergang von der Überleitstation 5 zur Sammel- und Presseinrichtung 6 wird ein Schuppenstrom aus den gefalteten Schachteln hergestellt. Die Sammel- und Presseinrichtung 6 weist Pressbänder auf, mittels derer die Klebenähte beim Fördern unter Druck gehalten werden, bis der Klebstoff sicher abgebunden ist.The internal discharge device 7 is followed by a transfer station 5. This has the primary task, the folded, provided with not yet set adhesive seams cartons aligned in all parts a subsequent collection and pressing device 6 supply. During the transition from the transfer station 5 to the collecting and pressing device 6, a scale flow is produced from the folded boxes. The collecting and pressing device 6 has press belts, by means of which the adhesive seams are held under pressure during conveying until the adhesive has set securely.

In der Überleitstation 5 ist zusätzlich eine Ausschleuseeinrichtung angeordnet, die eine außen neben dem Förderriemenpaar 9, 9' oder 10, 10' (Fig. 2a) angeordnete Einrichtung zum seitlichen Herausziehen fehlerhafter Schachteln 12' enthält. Die Einrichtung zum Herausziehen der Schachteln 12' ist bevorzugt ein Drehteller-Auswerfer oder ein Linear-Auswerfer, wie er in der Beschreibungseinleitung und den dort aufgeführten Literaturstellen beschrieben ist. Der Auswerfer greift die Schachteln 12 an einem außen über die Förderriemen 9, 9' oder 10, 10' überstehenden Teil 22 und zieht sie aus der Maschine.In the transfer station 5, a discharge device is additionally arranged, which has an outside next to the conveyor belt pair 9, 9 'or 10, 10' (FIG. Fig. 2a ) includes means for laterally withdrawing defective boxes 12 '. The device for extracting the boxes 12 'is preferably a turntable ejector or a linear ejector, as described in the introduction to the description and the references cited therein. The ejector grips the boxes 12 on an outside over the conveyor belt 9, 9 'or 10, 10' projecting part 22 and pulls them out of the machine.

In den Fig.- 2a und 2b ist beispielhaft ein bekannter Linearauswerfer dargestellt. Wie aus Fig. 2a ersichtlich, klemmen jeweils zwei dicht übereinander liegende Endlosförderbänder 9, 9' und 10, 10' (von denen nur jeweils das obere Band dargestellt ist) die Schachtelzuschnitte 12 zwischen sich ein und bilden so eine Förderstrecke 11. Die Schachtelzuschnitte werden mit einer Geschwindigkeit V1 in Pfeilrichtung bewegt. Seitlich in einem Winkel α zur Förderstrecke 11 ist eine Auswerfervorrichtung 13 in Form eines Linearauswerfers dargestellt. Wie aus Fig. 2b ersichtlich, besteht der Linearauswerfer aus einem Förderband 18, welches um zwei Rollen 17 und 19 geführt ist und einer friktionsarmen Oberfläche 15. Die Rolle 17 wird durch einen nicht dargestellten Motor angetrieben. Zwischen Förderband 18 und Oberfläche 15 werden die fehlerhaften Schachtelzuschnitte eingeklemmt und ausgeschleust. Als Greifer kann hierzu beispielsweise ein schwenkbarer Abschnitt 16 des Förderbandes dienen, indem es um eine klappbare Rolle 19 geführt wird.In FIGS. 2a and 2b a known linear ejector is shown by way of example. How out Fig. 2a seen in each case two closely superposed endless conveyor belts 9, 9 'and 10, 10' terminals (of which only in each case the upper band is shown), the box blanks 12 between them and thus form a conveyor line 11. The carton blanks at a velocity V 1 moved in the direction of the arrow. Laterally at an angle α to the conveyor section 11, an ejector 13 is shown in the form of a linear ejector. How out Fig. 2b can be seen, the linear ejector consists of a conveyor belt 18 which is guided around two rollers 17 and 19 and a low-friction surface 15. The roller 17 is driven by a motor, not shown. Between conveyor belt 18 and surface 15, the defective carton blanks are pinched and discharged. As a gripper this can serve, for example, a pivotable portion 16 of the conveyor belt, by being guided around a hinged roller 19.

Die Ausschleusegeschwindigkeit V2 ist höher als die Fördergeschwindigkeit V1. Dies wird entweder dadurch verwirklicht, dass der Anstellwinkel α entsprechend gewählt wird (es gilt (V 2=

Figure imgb0001
) oder aber, dass die Rolle 17 über einen nicht dargestellten unabhängigen Motor mit höherer Geschwindigkeit angetrieben wird.The discharge rate V 2 is higher than the conveying speed V 1 . This is realized either by the angle of attack α being selected accordingly ( V 2 =
Figure imgb0001
) or that the roller 17 is driven by an independent motor, not shown, at a higher speed.

Die Fig. 3 zeigt beispielhaft einen bekannten Tellerauswerfer. Der Tellerauswerfer 30 ist ebenfalls wie der in Fig. 2a dargestellte Linearauswerfer 13 so seitlich der Förderstrecke 11 angeordnet, dass er die überstehenden Abschnitte 22 der Schachteln 12 erfassen kann, um so fehlerhafte Schachteln 12' auszuschleusen.The Fig. 3 shows an example of a known Tellerauswerfer. The Tellerauswerfer 30 is also like in Fig. 2a shown linear ejector 13 is arranged side of the conveyor line 11 so that it can detect the protruding portions 22 of the boxes 12 so as to auszuschleusen faulty boxes 12 '.

Der Tellerauswerfer 30 enthält einen permanent mit hoher Geschwindigkeit umlaufenden, ebenen Drehteller 31, der von einem Elektromotor 32 angetrieben wird und der unmittelbar aussen neben den Förderriemenpaaren 9, 9' bzw. 10, 10' angeordnet ist. Der Drehteller 31 des Auswerfers 30 ist dabei aus Metall oder Kunststoff gefertigt. Er kann aber auch aus Metall bestehen und einen Kunststoffüberzug tragen. Es ist ebenso vorstellbar, auf einen Metallteller eine Beschichtung aufzubringen, wie zum Beispiel eine molybdänhaltige Legierung.The Tellerauswerfer 30 includes a permanently rotating at high speed, flat turntable 31 which is driven by an electric motor 32 and which is arranged immediately outside next to the conveyor belt pairs 9, 9 'and 10, 10'. The turntable 31 of the ejector 30 is made of metal or plastic. But it can also be made of metal and wear a plastic coating. It is also conceivable to apply a coating to a metal plate, such as a molybdenum-containing alloy.

Weiterhin enthält der Tellerauswerfer 30 mindestens zwei Andruckscheiben 33, 34, die in Föderrichtung 11 hinter der Mitte und am äusseren Rand des Drehtellers 31 hintereinander angeordnet sind. Der Winkel zwischen den Andruckscheiben 33, 34 und den Förderriemenpaaren 9,9' bzw. 10,10' ist über ein Drehgelenk 35 in der Haltevorrichtung der Andruckscheiben 33, 34 einstellbar. Die in Förderrichtung erste Andruckscheibe 33 ist in einem spitzen Winkel geneigt gegen die Förderrichtung der Riemenpaare 9,9' bzw. 10,10' nach aussen ausgerichtet. Die in Förderrichtung zweite Andruckscheibe 34 ist vorzugseise in einem Winkel, von größer 45 Grad zur Förderrichtung der Riemenpaare 9,9' bzw. 10, 10' eingestellt. Die Andruckscheiben 33, 34 sind frei drehbar und beweglich gelagert. Dabei kann der Abstand zwischen dem Drehteller 31 und den Andruckscheiben 33, 34 mittels eines winkelförmigen Hebels 36 und einer dazugehörigen Justierschraube 37 eingestellt werden, wobei die Andruckscheiben 33, 34 nicht auf dem Drehteller 31 aufliegen. Über einen Anschlag 38 wird der zweiseitige Hebel 39 zur Aufnahme der frei drehbar gelagerten Andruckscheiben 33, 34 parallel über dem Drehteller 31 gehalten. Der benötigte Gegendruck zum Anschlag 39 wird über ein Federelement 40 erzeugt.Furthermore, the Tellerauswerfer 30 contains at least two pressure plates 33, 34, which are arranged in the direction of joining 11 behind the center and at the outer edge of the turntable 31 in a row. The angle between the pressure plates 33, 34 and the conveyor belt pairs 9,9 'and 10,10' is adjustable via a rotary joint 35 in the holding device of the pressure plates 33, 34. The first pressure plate 33 in the conveying direction is oriented at an acute angle inclined towards the conveying direction of the belt pairs 9,9 'and 10,10' to the outside. The second pressure plate 34 in the conveying direction is preferably at an angle of greater than 45 degrees to the conveying direction of the belt pairs 9,9 'or 10, 10' set. The pressure plates 33, 34 are freely rotatably and movably mounted. In this case, the distance between the turntable 31 and the pressure plates 33, 34 are adjusted by means of an angle-shaped lever 36 and an associated adjusting screw 37, wherein the pressure plates 33, 34 do not rest on the turntable 31. About a stop 38 of the two-sided lever 39 for receiving the freely rotatably mounted pressure plates 33, 34 held parallel to the turntable 31. The required back pressure to the stop 39 is generated by a spring element 40.

Die Ansteuerung der jeweiligen Ausschleuseeinrichtungen erfolgt über eine nicht näher dargestellte Steuervorrichtung 41.The control of the respective Ausschleuseeinrichtungen via a control device 41, not shown.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Einlegerdepositors
22
Vorbrecherprimary crusher
33
Faltstationfolding station
44
KlebstoffauftragswerkAdhesive factory
55
Überleitstationtransfer station
66
Sammel- und PresseinrichtungCollecting and pressing device
77
interne Ausschleusevorrichtunginternal discharge device
88th
Behältercontainer
9, 9'9, 9 '
Förderriemenconveyor belts
10, 10'10, 10 '
Förderriemenconveyor belts
1111
Förderrichtung / -streckeConveying direction / distance
12, 12'12, 12 '
Schachtelnboxes
1313
LinearauswerferLinear ejector
1515
Oberflächesurface
1616
schwenkbarer Abschnittswiveling section
1717
Rollerole
1818
Förderbandconveyor belt
1919
Rollerole
2222
überstehender Schachtelabschnittprotruding box section
3030
TellerauswerferTelle ejector
3131
Drehtellerturntable
3232
Elektromotorelectric motor
3333
Andruckscheibepuck
3434
Andruckscheibepuck
3535
Drehgelenkswivel
3636
Hebellever
3737
Justierschraubeadjusting screw
3838
Anschlagattack
3939
Hebellever
4040
Federelementspring element
4141
Steuerungcontrol

Claims (4)

Faltschachtelklebemaschine zur Herstellung von Faltschachteln aus Zuschnitten mit mehreren Stationen (1, 2, 3, 4, 5, 6, 7), von denen eine Station eine Faltstation (3) ist, in der mit einem Klebestreifen versehene Zuschnitte gefaltet werden, und eine nachfolgende Station eine Überleitstation (5) ist, wobei die Faltschachtelklebemaschine als Fördereinrichtung mindestens zwei jeweils aus einem oberen und unteren Riemen bestehende Fördermittelpaare enthält,
dadurch gekennzeichnet,
dass vor der Überleitstation (5) eine weitere Station vorgesehen ist, die als interne Ausschleusevorrichtung für fehlerhafte Schachteln ausgebildet ist, und dass in der Überleitstation (5) mindestens eine weitere externe Ausschleusevorrichtung (7) vorgesehen ist, und dass eine Steuerung (41) vorgesehen ist, die die jeweilige Ausschleusevorrichtung (7) in Abhängigkeit vom jeweiligen Schachteltyp und / oder von der Betriebsgeschwindigkeit als Ausschleusestation ansteuert.A folding carton gluer for making cartons of multi-station blanks (1, 2, 3, 4, 5, 6, 7), one station being a folding station (3) in which blanks provided with an adhesive strip are folded, and a subsequent one Station is a transfer station (5), wherein the Faltschachtelklebemaschine contains as conveyor at least two each consisting of an upper and lower belt conveyor pairs,
characterized,
that a further station is in front of the transfer station (5) is provided which is formed as an internal discharge apparatus for defective boxes, and that in the transfer station (5) at least one further external discharge apparatus (7) is provided, and that a controller (41) is provided is, which controls the respective discharge device (7) depending on the respective box type and / or the operating speed as a discharge station. Faltschachtelkleemaschine nach Anspruch 1,
dadurch gekennzeichnet,
dass diemindestens eine weitere Ausschleusevorrichtung (7) als Linearauswerfer (13) ausgebildet ist.Faltschachtelkleemaschine according to claim 1,
characterized,
in that the at least one further discharge device (7) is designed as a linear ejector (13). Faltschachtelklebemaschine nach Anspruch 1,
dadurch gekennzeichnet,
dass die mindestens eine weitere Ausschleusevorrichtung (7) als Tellerauswerfer (30) ausgebildet ist.Folding box gluing machine according to claim 1,
characterized,
that the at least one further discharge apparatus (7) is formed as Telle ejector (30). Faltschachtelklebemaschine nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die jeweilige Ausschleusevorrichtung durch unabhängige Einzelantriebe angetrieben wird, die durch die Steuerung (41) gesteuert werden.Folding box gluing machine according to one of the preceding claims,
characterized,
that the respective discharge device is driven by independent individual drives, which are controlled by the controller (41).
EP09100174.3A 2008-04-29 2009-03-11 Folding box gluing machine for manufacturing folding boxes made from blanks Active EP2113374B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008021319A DE102008021319A1 (en) 2008-04-29 2008-04-29 Folding box gluer for the production of folding boxes from blanks

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EP2113374A2 true EP2113374A2 (en) 2009-11-04
EP2113374A3 EP2113374A3 (en) 2013-11-13
EP2113374B1 EP2113374B1 (en) 2016-07-27

Family

ID=40886141

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Application Number Title Priority Date Filing Date
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Country Status (3)

Country Link
EP (1) EP2113374B1 (en)
DE (1) DE102008021319A1 (en)
ES (1) ES2591377T3 (en)

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EP3875262A3 (en) * 2020-03-05 2021-11-03 Wilhelm Bahmüller Maschinenbau-Präzisionswerkzeuge GmbH Assembly for producing folding boxes and method for operating the assembly

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EP0557609A1 (en) 1991-12-19 1993-09-01 SYSTEM KURANDT GmbH Apparatus for on line controlling of foldable box blanks
DE10224814A1 (en) 2002-06-05 2003-12-24 Heidelberger Druckmasch Ag Folding box gluer with ejector device
DE69816717T2 (en) 1997-06-12 2004-06-03 Bobst S.A. Switch device in a conveyor for plate-shaped objects

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DE2137937C3 (en) * 1971-07-26 1973-12-13 Ems Elektronik-Messtechnik Dipl.Ing. Leo Schmidt, 1000 Berlin Device for ejecting faulty blanks from folding box tel gluing machines
DE3743728A1 (en) * 1987-12-23 1989-07-06 Jagenberg Ag MACHINE AND METHOD FOR PRODUCING FOLDED CONTAINERS, ESPECIALLY FOLDING BOXES
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DE10001556A1 (en) * 1999-01-14 2000-07-20 Ems Elektronik Messtechn Unit for transporting and sorting flat objects such as folding box blanks used on confectionery line has oppositely disposed runs of conveyor belts arranged to include acute angle when viewed at right angles to transporting direction
DE19948017A1 (en) * 1999-10-06 2001-04-12 Jagenberg Diana Gmbh Folding box gluing machine for the production of folding boxes from blanks
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EP2008801B1 (en) * 2007-06-29 2010-08-11 Heidelberger Druckmaschinen Aktiengesellschaft Production system for producing folding boxes and method for feeding spoilage-free blanks to a folder-gluer

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EP0557609A1 (en) 1991-12-19 1993-09-01 SYSTEM KURANDT GmbH Apparatus for on line controlling of foldable box blanks
DE69816717T2 (en) 1997-06-12 2004-06-03 Bobst S.A. Switch device in a conveyor for plate-shaped objects
DE10224814A1 (en) 2002-06-05 2003-12-24 Heidelberger Druckmasch Ag Folding box gluer with ejector device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3875262A3 (en) * 2020-03-05 2021-11-03 Wilhelm Bahmüller Maschinenbau-Präzisionswerkzeuge GmbH Assembly for producing folding boxes and method for operating the assembly

Also Published As

Publication number Publication date
DE102008021319A1 (en) 2009-11-05
EP2113374A3 (en) 2013-11-13
EP2113374B1 (en) 2016-07-27
ES2591377T3 (en) 2016-11-28

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