EP1218168B1 - Folded box gluing machine for producing folded boxes from blanks - Google Patents

Folded box gluing machine for producing folded boxes from blanks Download PDF

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Publication number
EP1218168B1
EP1218168B1 EP00967628A EP00967628A EP1218168B1 EP 1218168 B1 EP1218168 B1 EP 1218168B1 EP 00967628 A EP00967628 A EP 00967628A EP 00967628 A EP00967628 A EP 00967628A EP 1218168 B1 EP1218168 B1 EP 1218168B1
Authority
EP
European Patent Office
Prior art keywords
boxes
folded
transfer station
gluing machine
box gluing
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
EP00967628A
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German (de)
French (fr)
Other versions
EP1218168A1 (en
Inventor
Karl Saro
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
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 EP1218168A1 publication Critical patent/EP1218168A1/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
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/525—Operation controlled by detector means responsive to work
    • Y10T83/541—Actuation of tool controlled in response to work-sensing means
    • Y10T83/543—Sensing means responsive to work indicium or irregularity

Definitions

  • the discharge device in the transfer station serves to detect errors Eject boxes in front of the collecting and pressing device before starting the collecting and pressing device produces a stream of shingles from the boxes becomes.
  • the boxes are still separated and separated by the transfer station promoted by each other, so that a single box without affecting the previous and subsequent box can be pulled out.
  • faulty Boxes are boxes that are not adequately glued, boxes that Convolution errors included or boxes that are not considered in an identity check the order was properly recognized.
  • Such a generic folding box gluing machine is in the brochure "Diana 115-3 Diana 125-3, the universal folder gluer "from the applicant described.
  • the machine described has an ejector as an additional device, which is installed as a pre-assembled unit in the transfer station and ejects boxes, that were identified as faulty.
  • the ejector to remove the faulty Boxes are arranged on one side of the machine. It contains one on a turntable arranged pinch roller, of which a defective box on her Packed part protruding outside over the pair of belts and out of the machine is pulled out.
  • the invention is therefore based on the object of a generic folding box pusher to improve so that boxes of large recognized as defective Width can be removed from the machine.
  • the discharge device constructed according to the invention has the further advantage that also boxes with longitudinal tabs folded inwards on both sides and not covered can be removed. Such boxes as a whole only pulled out to one side, there is a risk that a conveyor belt from the Box is torn out of its guide. The reason for this is that the inward folded, uncovered longitudinal flaps on the opposite side opens as soon as it is pulled out between the first pair of conveyor belts and in open state meets the second pair of conveyor belts and its upper belt entraining.
  • the box divided into three parts There are two narrow side panels that are easy can be pulled out to one side, and a middle part that is discharged downwards between the pairs of conveyor belts.
  • the division into three Parts has the advantage of both extremely wide boxes and boxes with many To be able to discharge individual parts, for example folding bottom boxes.
  • the two Longitudinal cuts can be made so that all parts of the box that are pulled out the straps could cause problems, remain on the middle part and so down be dissipated.
  • the configuration of the longitudinal knife as a circular knife according to claim 3 enables it, even thick boxes made of cardboard or corrugated cardboard with a high basis weight can be cut in several layers.
  • the folding box machine starts in the conveying direction (from right to left in figures) with an insert 1, the blanks to be processed at high speed pulls from a stack one after the other and individually the subsequent processing stations supplies.
  • the feeder 1 is followed by a primary crusher 2, which in the present exemplary embodiment is designed in two stages.
  • the primary crusher 2 contains folding elements in order Fold folding flaps back and forth so that the corresponding longitudinal crease lines pass through Kinks by 180 ° can be made soft and smooth.
  • the two-stage embodiment enables more longitudinal and transverse creasing lines to be broken and additional ones To perform folds. With certain box shapes are already inside the primary crusher arranged two adhesive applicators to add additional adhesive strips to be applied lengthways.
  • the pre-crusher 2 is the next processing station the folding station 3, at the beginning of which an application unit 4 for adhesive is usually used for glue, is arranged.
  • the adhesive applicator 4 contains glue nozzles or Glue discs, of which the adhesive is applied in strips to the blanks becomes.
  • the applied adhesive strip is checked. For this the Adhesive strips are scanned without contact using a so-called glue seam monitoring device. If the adhesive tape does not have the required quality, the box will be the central control unit reported as faulty.
  • the folded boxes are checked for folding errors.
  • photocells are arranged in this area, of which the box length is scanned.
  • the length of the folded box does not match the specified one Format, for example because a rag was not folded properly, this is also the box of the central control unit of the folder gluer reported as faulty.
  • the transfer station 5 which is enlarged in FIG. 2, adjoins the folding station 3 is shown.
  • the gateway has the primary task of being folded, with blanks that have not yet been bonded precisely in all parts aligned to feed the subsequent collecting and pressing device 6.
  • At the Transition from the transfer station 5 to the collecting and pressing device 6 is a Stream of shingles made from the folded boxes.
  • the collection and pressing device 6 has press belts, by means of which the adhesive seams are kept under pressure until the adhesive has set securely.
  • the transfer station 5 contains two as a conveyor for the folded boxes pairs of belts extending parallel and at a distance from one another in the conveying direction, each consisting of a lower belt 7 and an upper belt 8.
  • the folded blanks are between the upper runs of the lower straps 7 and the lower run of the upper straps 8 promoted at a distance from each other the upper straps 8 hold down the folded side tabs of the blanks.
  • the Conveyor belt pairs 7, 8 must be adapted to different cutting widths be cross-positionable.
  • each of the lower conveyor belts 7 is on one in the conveying direction extending roller cheek 9 mounted by means of an adjusting spindle is positioned horizontally in the machine frame.
  • Conveyor belt 8 mounted on a so-called roller rail 10, each synchronously with the assigned roller cheek 9 to be moved transversely to the desired Adjust the working position of the straps 8.
  • the straps 8, 9 are from the central Drive of the folder gluer powered.
  • the transfer station 5 contains a discharge device which is identified as being faulty Boxes 11 are ejected from the folder gluer.
  • the construction and the Operation of the discharge device is shown in Figure 2:
  • the discharge device contains at least one cutting in the conveying direction Knife 12 at the beginning of the transfer station 5 between the two pairs of conveyor belts 7, 8 is arranged.
  • the knife 12 is in the frame of the transfer station 5 and can be lowered so that it can be cut into the conveying plane of the boxes 11 can be lowered and raised for deactivation from the funding level.
  • Two identically constructed knives 12 are preferred, each on the inside next to one Conveyor belt pair 7, 8 arranged, of which a defective box 11 in three Parts 11.1, 11.2, 11.3 is divided.
  • the knives 12 are preferably freely rotatably mounted in a protective housing 13 Circular knives which are moved downwards for cutting against a counter roller 14.
  • Each counter roller 14 extends from the bottom to the height of the upper, promoting Runs of the lower conveyor belt 7 and so supports a box 11 at Cut from below.
  • the protective housing 13 of the circular knife 12 are each on the associated upper roller rail 10 attached. You can go in a parking position can be pivoted if they are not needed.
  • the protective housing 13 are therefore each attached to a lever 15 on the respective roller rail 10 is pivotable to the outside and at the same time transverse to its relative To be able to change position to the pair of belts 7, 8.
  • the housing 13 height-adjustable to 12 different stroke ranges of the knives To be able to adjust box thicknesses.
  • the left protective housing 13 is in FIG. 2 shown partially open to the attachment of the knife 12 within the housing 13 to show.
  • the knife 12 is attached to a holder 16 which by means of a pneumatic piston-cylinder unit can be moved vertically over the required stroke is to move the cutting edge of the knife 12 against the counter roller 14.
  • each of the facilities has a belt conveyor 17, which from the outside through a recess in the upper Roller rail 10 extends into the vicinity of the conveyor belts 7, 8.
  • the conveying direction of each Belt conveyor 17 is inclined at an angle of 45 ° to the conveying direction the pairs of belts 7, 8 to the outside above a smooth table 18, the outside is attached to the roller cheek 9.
  • the upper surface of the table 17 forms for the lower run of the belt conveyor 17 suspended from the upper roller rail 10 a counter surface on which a box part 11.1, 11.3 is discharged to the outside.
  • the Front deflection roller 19 of the belt conveyor 17 is by means of a pneumatic piston-cylinder unit 20 can be raised and lowered.
  • the belt pulls over the conveyor belts 7, 8 projecting box part 11.1, 11.3 the box part 11.1, 11.3 over the table 18 to the outside and removes it from the Machine.
  • the belt conveyor 17 is deactivated by lifting the front deflection roller 19.
  • the upper roller rail 10 is attached.
  • it is on the support arm 21 by one vertical axis rotatably attached, so that its angle of inclination to the conveying direction can be adjusted.
  • the preferred embodiment is shown with two knives 12, each are arranged inside next to a pair of conveyor belts 7, 8. Will be a box 11 detected as defective, the central control unit of the folder gluer determines the time at which this box 11 enters the transfer station 5. After the previous error-free box has passed the knives 12 the knives 12 are lowered and cut the box 11 into three during the passage Parts 11.1, 11.2, 11.3. If an error-free box follows, the knives 12 become immediate after passing through the box 11 again raised to its inactive position.
  • the two belt conveyors 17 are subsequently delayed accordingly outside of the conveyor belts 7, 8 protruding parts of the box parts 11.1, 11.3 attached while the belt drive is switched on. Pull the belt conveyor 17 the box parts 11.1, 11.3 out over the table 18 out of the machine out.
  • the belt conveyors 17 are preferably set so that their angle to the Direction of conveyance is 45 °, and their speed is ⁇ 2 times the conveying speed the belt 7, 8 adjusted. So the box parts 11.1, 11.3 when pulling out in the conveying direction of the belts 7, 8 with their conveying speed advanced. This prevents previous or subsequent Boxes are affected in their run. That through the two longitudinal cuts generated middle part 11.2 of the box 11 is discharged downwards. It can be done by means of a cross conveyor arranged on the floor can be removed from the machine or it is reduced to chips by a shredder arranged in the base area, which are fed to a collecting container.
  • a single knife can be placed between the pairs of conveyor belts 7, 8 are arranged when the box shape to be processed this allows.
  • the arrangement of two knives 12 can also be box shapes Process that contain box parts, which when pulled out to the side Conveyor belts 7, 8 cause problems.
  • the two longitudinal cuts can then be so place all parts of the box that would touch a belt 7, 8 on the middle part 11.2 remain and are discharged downwards. This way, even complicated ones can be created Box shapes, especially folding bottom boxes, can be easily removed from the machine discharging.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Making Paper Articles (AREA)
  • Closing Of Containers (AREA)

Abstract

Known folded box gluing machines for producing folded boxes ( 1 ) from blanks comprise-a folding station ( 3 ), in which the parts of blanks provided with an adhesive strip are folded,-an adjoining transfer station ( 5 ) which is configured as a transport device and has at least two conveyer belt pairs, each consisting of an upper and a lower belt ( 7, 8 ) and a device for ejecting defective boxes ( 11 ) and-a collection and pressing device ( 6 ), in which the flat folded boxes are pressed together, in order for the adhesive to bind. In order to eject wide boxes ( 11 ) from the machine, which have been identified as defective, the ejection device comprises the following elements:-at least one blade ( 12 ) which cuts in the direction of transport and which is mounted at the beginning of the transfer station ( 5 ) between the two conveyer belt pairs ( 7, 8 ), in such way that it can be lowered into and withdrawn from the direction of transport of the boxes ( 11 ), and a device adjacent to each longitudinal side of the transfer station ( 5 ) for laterally removing the box side sections ( 11.1, 11.3 ) from the machine, which have been separated during the longitudinal cut.

Description

Technisches GebietTechnical field

Die Erfindung betrifft eine Faltschachtelklebemaschine zur Herstellung von Faltschachteln aus Zuschnitten, mit

  • einer Faltstation, in der die mit einem Klebestreifen versehenen Zuschnittteile gefaltet werden,
  • einer sich anschließenden Überleitstation, die als Fördereinrichtung zumindest zwei jeweils aus einem oberen und unteren Riemen bestehende Förderriemenpaare und eine Einrichtung zum Ausschleusen fehlerhafter Schachteln aufweist, und mit
  • einer Sammel- und Presseinrichtung, in der die flachliegend gefalteten Schachteln zum Abbinden des Klebstoffs gepreßt werden.
The invention relates to a folding box gluing machine for producing folding boxes from blanks, with
  • a folding station in which the cut parts provided with an adhesive strip are folded,
  • an adjoining transfer station, which has at least two pairs of conveyor belts, each consisting of an upper and lower belt, and a device for discharging defective boxes, and with
  • a collecting and pressing device, in which the flat folded boxes are pressed to set the adhesive.

Die Ausschleuseeinrichtung in der Überleitstation dient dazu, als fehlerhaft detektierte Schachteln vor der Sammel- und Preßeinrichtung auszuschleusen, bevor zu Beginn der Sammel- und Preßeinrichtung ein Schuppenstrom aus den Schachteln hergestellt wird. Durch die Überleitstation werden die Schachteln noch einzeln und mit Abstand von einander gefördert, so daß eine einzelne Schachtel ohne Beeinträchtigung der vorhergehenden und nachfolgenden Schachtel herausgezogen werden kann. Fehlerhafte Schachteln sind Schachteln, die nicht ausreichend beleimt sind, Schachteln die Faltungsfehler enthalten oder Schachteln die bei einer Identitätskontrolle als nicht zu dem Auftrag gehörig erkannt wurden.The discharge device in the transfer station serves to detect errors Eject boxes in front of the collecting and pressing device before starting the collecting and pressing device produces a stream of shingles from the boxes becomes. The boxes are still separated and separated by the transfer station promoted by each other, so that a single box without affecting the previous and subsequent box can be pulled out. faulty Boxes are boxes that are not adequately glued, boxes that Convolution errors included or boxes that are not considered in an identity check the order was properly recognized.

Stand der TechnikState of the art

Eine derartige, gattungsgemäße Faltschachtelklebemaschine ist in dem Prospekt "Diana 115-3 Diana 125-3, die universellen Faltschachtel-Klebemaschinen" der Anmelderin beschrieben. Die beschriebene Maschine hat als Zusatzeinrichtung einen Auswerfer, der als vormontierte Einheit in die Überleitstation eingebaut wird und Schachteln auswirft, die als fehlerhaft erkannt wurden. Der Auswerfer zum Ausschleusen der fehlerhaften Schachteln ist an einer Maschinenlängsseite angeordnet. Er enthält eine auf einem Drehteller angeordnete Klemmrolle, von der eine fehlerhafte Schachtel an ihrem außen über das Riemenpaar herausstehenden Teil gepackt und aus der Maschine herausgezogen wird.Such a generic folding box gluing machine is in the brochure "Diana 115-3 Diana 125-3, the universal folder gluer "from the applicant described. The machine described has an ejector as an additional device, which is installed as a pre-assembled unit in the transfer station and ejects boxes, that were identified as faulty. The ejector to remove the faulty Boxes are arranged on one side of the machine. It contains one on a turntable arranged pinch roller, of which a defective box on her Packed part protruding outside over the pair of belts and out of the machine is pulled out.

Die bekannten Ausschleusevorrichtungen, mit denen eine Schachtel zwischen den Förderriemenpaaren nach einer Seite herausgezogen wird, sind bei großen Schachteln von mehr als 500 mm Breite nicht einsetzbar. Sie sind nicht in der Lage, derart große Schachteln mit der geforderten Geschwindigkeit ohne Beeinträchtigung der vorhergehenden und nachfolgenden Schachteln aus der Maschine herauszuziehen.The known discharge devices, with which a box between the Large pairs of conveyor belts are pulled out to one side of more than 500 mm wide cannot be used. You are not able to be that big Nest at the required speed without affecting the previous one and subsequent boxes out of the machine.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt daher die Aufgabe zugrunde, eine gattungsgemäße Faltschachtelkiebemaschine so zu verbessern, daß als fehlerhaft erkannte Schachteln von großer Breite aus der Maschine ausgeschleust werden können.The invention is therefore based on the object of a generic folding box pusher to improve so that boxes of large recognized as defective Width can be removed from the machine.

Diese Aufgabe wird mit dem Merkmalen des Patentanspruchs 1 gelöst.This object is achieved with the features of patent claim 1.

Die erfindungsgemäß aufgebaute Ausschleuseeinrichtung hat den weiteren Vorteil, daß auch Schachteln mit beidseits nach innen gefalteten nicht abgedeckten Längslappen ausgeschleust werden können. Werden derartige Schachteln als gesamtes nur nach einer Seite herausgezogen, so besteht die Gefahr, daß ein Förderriemen von der Schachtel aus seiner Führung gerissen wird. Dies hat seinen Grund darin, daß der nach innen gefaltene , nicht abgedeckte Längslappen an der abgewandten Seite sich öffnet, sobald er zwischen dem ersten Förderriemenpaar herausgezogen ist und im geöffneten Zustand auf das zweite Förderriemenpaar trifft und dessen oberen Riemen mitreißt.The discharge device constructed according to the invention has the further advantage that also boxes with longitudinal tabs folded inwards on both sides and not covered can be removed. Such boxes as a whole only pulled out to one side, there is a risk that a conveyor belt from the Box is torn out of its guide. The reason for this is that the inward folded, uncovered longitudinal flaps on the opposite side opens as soon as it is pulled out between the first pair of conveyor belts and in open state meets the second pair of conveyor belts and its upper belt entraining.

Bei der besonders vorteilhaften Ausgestaltung nach Patentanspruch 2 mit zwei Längsmessern, die jeweils innen neben den Förderriemenpaaren angeordnet sind, wird die Schachtel in drei Teile aufgeteilt. Es entstehen zwei schmale Seitenteile, die problemlos jeweils nach einer Seite herausgezogen werden können, und ein Mittelteil, daß zwischen den Förderriemenpaaren nach unten abgeführt wird. Die Aufteilung in drei Teile hat den Vorteil, sowohl extrem breite Schachteln, als auch Schachteln mit vielen Einzelteilen, beispielsweise Faltbodenschachteln, ausschleusen zu können. Die beiden Längsschnitte lassen sich so legen, daß alle Schachtelteile, die beim Herausziehen an den Riemen Probleme machen könnten, am Mittelteil verbleiben und so nach unten abgeführt werden.In the particularly advantageous embodiment according to claim 2 with two Longitudinal knives, which are arranged on the inside next to the pairs of conveyor belts the box divided into three parts. There are two narrow side panels that are easy can be pulled out to one side, and a middle part that is discharged downwards between the pairs of conveyor belts. The division into three Parts has the advantage of both extremely wide boxes and boxes with many To be able to discharge individual parts, for example folding bottom boxes. The two Longitudinal cuts can be made so that all parts of the box that are pulled out the straps could cause problems, remain on the middle part and so down be dissipated.

Die Ausgestaltung des Längsmessers als Kreismesser gemäß Patentanspruch 3 ermöglicht es, auch dicke Schachteln aus Karton oder Wellpappe mit hohem Flächengewicht mehrlagig zu zerschneiden.The configuration of the longitudinal knife as a circular knife according to claim 3 enables it, even thick boxes made of cardboard or corrugated cardboard with a high basis weight can be cut in several layers.

Kurze Beschreibung der ZeichnungBrief description of the drawing

Die Zeichnung dient zur Erläuterung der Erfindung anhand eines vereinfacht dargestellten Ausführungsbeispiels.

Figur 1
zeigt in einer schematischen Seitenansicht die einzelnen Stationen einer Faltschachtelklebemaschine.
Figur 2
zeigt in perspektivischer Darstellung einen Teil der Überleitstation mit der Ausschleuseeinrichtung.
The drawing serves to explain the invention with reference to an embodiment shown in simplified form.
Figure 1
shows a schematic side view of the individual stations of a folder gluer.
Figure 2
shows a perspective view of part of the transfer station with the discharge device.

Wege zur Ausführung der ErfindungWays of Carrying Out the Invention

In Förderrichtung (in Figuren von rechts nach links) beginnt die Faltschachtelmaschine mit einem Einleger 1, der die zu verarbeitenden Zuschnitte mit hoher Geschwindigkeit aus einem Stapel nach einander 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 Längsrillinien durch Knicken um 180° 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 zwei Klebstoffauftragwerke angeordnet, um zusätzliche Klebestreifen in Längsrichtung aufzutragen. Auf den Vorbrecher 2 folgt als nächste Bearbeitungsstation die Faltstation 3, an deren Anfang ein Auftragwerk 4 für Klebstoff üblicherweise für Leim, angeordnet ist. Das Klebstoffauftragwerk 4 enthält Leimdüsen oder Leimscheiben, von denen der Klebstoff streifenförmig auf die Zuschnitte aufgebracht wird. Bevor die mit einem Klebestreifen versehenen Faltklappen von Faltelementen 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.The folding box machine starts in the conveying direction (from right to left in figures) with an insert 1, the blanks to be processed at high speed pulls from a stack one after the other and individually the subsequent processing stations supplies. The feeder 1 is followed by a primary crusher 2, which in the present exemplary embodiment is designed in two stages. The primary crusher 2 contains folding elements in order Fold folding flaps back and forth so that the corresponding longitudinal crease lines pass through Kinks by 180 ° can be made soft and smooth. The two-stage embodiment enables more longitudinal and transverse creasing lines to be broken and additional ones To perform folds. With certain box shapes are already inside the primary crusher arranged two adhesive applicators to add additional adhesive strips to be applied lengthways. The pre-crusher 2 is the next processing station the folding station 3, at the beginning of which an application unit 4 for adhesive is usually used for glue, is arranged. The adhesive applicator 4 contains glue nozzles or Glue discs, of which the adhesive is applied in strips to the blanks becomes. Before the folding flaps of folding elements provided with an adhesive strip the applied adhesive strip is checked. For this the Adhesive strips are scanned without contact using a so-called glue seam monitoring device. If the adhesive tape does not have the required quality, the box will be the central control unit reported as faulty.

Am Ende der Faltstation 3 werden die gefalteten Schachteln auf Faltungsfehler überprüft. Dazu sind in diesem Bereich Fotozellen angeordnet, von denen die Schachtellänge abgetastet wird. Entspricht die Länge der gefalteten Schachtel nicht dem vorgegebenen Format, beispielsweise weil ein Lappen nicht ordnungsgemäß gefaltet wurde, so wird auch diese Schachtel der zentralen Steuereinheit der Faltschachtelklebemaschine als fehlerhaft gemeldet.At the end of the folding station 3, the folded boxes are checked for folding errors. For this purpose, photocells are arranged in this area, of which the box length is scanned. The length of the folded box does not match the specified one Format, for example because a rag was not folded properly, this is also the box of the central control unit of the folder gluer reported as faulty.

Unmittelbar an die Faltstation 3 schließt sich die Überleitstation 5 an, die in Figur 2 vergrößert dargestellt ist. Die Überleitstation hat die primäre Aufgabe, die gefalteten, mit noch nicht abgebundenen Klebenähten versehenen Zuschnitte in allen Teilen exakt ausgerichtet der 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 deren die Klebenähte unter Druck gehalten werden, bis der Klebstoff sicher abgebunden ist.The transfer station 5, which is enlarged in FIG. 2, adjoins the folding station 3 is shown. The gateway has the primary task of being folded, with blanks that have not yet been bonded precisely in all parts aligned to feed the subsequent collecting and pressing device 6. At the Transition from the transfer station 5 to the collecting and pressing device 6 is a Stream of shingles made from the folded boxes. The collection and pressing device 6 has press belts, by means of which the adhesive seams are kept under pressure until the adhesive has set securely.

Die Überleitstation 5 enthält als Fördereinrichtung für die gefalteten Schachteln zwei sich parallel mit Abstand von einander 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 mit Abstand von einander gefördert, wobei die oberen Riemen 8 die umgelegten Seitenlappen der Zuschnitte niederhalten. Die Förderriemenpaare 7, 8 müssen zur Anpassung auf verschiedene Zuschnittsbreiten querpositionierbar sein. Dazu ist jeder der unteren Förderriemen 7 an einer sich in Förderrichtung erstreckenden Rollenwange 9 gelagert, die mittels einer Verstellspindel quer positionierbar im Maschinenrahmen aufgehängt ist. Entsprechend ist jeder obere Förderriemen 8 an einer sogenannten Rollenschiene 10 gelagert, die jeweils synchron mit der zugeordneten Rollenwange 9 quer verschoben werden, um die gewünschte Arbeitsposition der Riemen 8 einzustellen. Die Riemen 8, 9 werden von dem zentralen Antrieb der Faltschachtelklebemaschine angetrieben.The transfer station 5 contains two as a conveyor for the folded boxes pairs of belts extending parallel and at a distance from one another in the conveying direction, each consisting of a lower belt 7 and an upper belt 8. The folded blanks are between the upper runs of the lower straps 7 and the lower run of the upper straps 8 promoted at a distance from each other the upper straps 8 hold down the folded side tabs of the blanks. The Conveyor belt pairs 7, 8 must be adapted to different cutting widths be cross-positionable. For this purpose, each of the lower conveyor belts 7 is on one in the conveying direction extending roller cheek 9 mounted by means of an adjusting spindle is positioned horizontally in the machine frame. Every upper one is corresponding Conveyor belt 8 mounted on a so-called roller rail 10, each synchronously with the assigned roller cheek 9 to be moved transversely to the desired Adjust the working position of the straps 8. The straps 8, 9 are from the central Drive of the folder gluer powered.

Die Überleitstation 5 enthält eine Ausschleuseeinrichtung, die als fehlerhaft dedektierte Schachteln 11 aus der Faltschachtelklebemaschine auschleust. Der Aufbau und die Arbeitsweise der Ausschleuseeinrichtung sind in Figur 2 dargestellt:The transfer station 5 contains a discharge device which is identified as being faulty Boxes 11 are ejected from the folder gluer. The construction and the Operation of the discharge device is shown in Figure 2:

Die Ausschleuseeinrichtung enthält zumindest ein in Förderrichtung schneidendes Messer 12, das am Anfang der Überleitstation 5 zwischen den beiden Förderriemenpaaren 7, 8 angeordnet ist. Das Messer 12 ist im Gestell der Überleitstation 5 heb- und senkbar so gelagert, dass es zum Schneiden in die Förderebene der Schachteln 11 absenkbar und zur Inaktivierung aus der Förderebene anhebbar ist.The discharge device contains at least one cutting in the conveying direction Knife 12 at the beginning of the transfer station 5 between the two pairs of conveyor belts 7, 8 is arranged. The knife 12 is in the frame of the transfer station 5 and can be lowered so that it can be cut into the conveying plane of the boxes 11 can be lowered and raised for deactivation from the funding level.

Bevorzugt werden zwei identisch aufgebaute Messer 12 jeweils innen neben einem Förderriemenpaar 7, 8 angeordnet, von denen eine fehlerhafte Schachtel 11 in drei Teile 11.1, 11.2, 11.3 aufgeteilt wird.Two identically constructed knives 12 are preferred, each on the inside next to one Conveyor belt pair 7, 8 arranged, of which a defective box 11 in three Parts 11.1, 11.2, 11.3 is divided.

Bevorzugt sind die Messer 12 frei drehbar in einem Schutzgehäuse 13 gelagerte Kreismesser, die zum Schneiden gegen eine Gegenrolle 14 nach unten bewegt werden. Jede Gegenrolle 14 reicht von unten umfänglich bis in die Höhe des oberen, fördernden Trums des unteren Förderriemens 7 und stützt so eine Schachtel 11 beim Schneiden von unten ab. Die Schutzgehäuse 13 der Kreismesser 12 sind jeweils an der zugehörigen oberen Rollenschiene 10 befestigt. Sie können jeweils nach außen in eine Parkposition geschwenkt werden, falls sie nicht benötigt werden. Die Schutzgehäuse 13 sind daher jeweils an einem Hebel 15 befestigt, der an der jeweiligen Rollenschiene 10 nach außen schwenkbar und zugleich querverstellbar ist, um seine relative Position zu dem Riemenpaar 7, 8 verändern zu können. Zusätzlich sind die Gehäuse 13 höhenverstellbar gelagert, um den Hubbereich der Messer 12 verschiedenen Schachteldicken anpassen zu können. Über seinen Befestigungshebel 15 wird das jeweilige Schutzgehäuse 13 mit dem Messer 12 automatisch bei einer Formatumstellung mit der Rollenschiene 10 positioniert. Das linke Schutzgehäuse 13 ist in Figur 2 teilweise geöffnet dargestellt, um die Befestigung des Messers 12 innerhalb des Gehäuses 13 zu zeigen. Das Messer 12 ist an einem Halter 16 befestigt, der mittels einer pneumatischen Kolben-Zylinder-Einheit vertikal über den erforderlichen Hub bewegbar ist, um die Schneidkante des Messers 12 gegen die Gegenrolle 14 zu bewegen. The knives 12 are preferably freely rotatably mounted in a protective housing 13 Circular knives which are moved downwards for cutting against a counter roller 14. Each counter roller 14 extends from the bottom to the height of the upper, promoting Runs of the lower conveyor belt 7 and so supports a box 11 at Cut from below. The protective housing 13 of the circular knife 12 are each on the associated upper roller rail 10 attached. You can go in a parking position can be pivoted if they are not needed. The protective housing 13 are therefore each attached to a lever 15 on the respective roller rail 10 is pivotable to the outside and at the same time transverse to its relative To be able to change position to the pair of belts 7, 8. In addition, the housing 13 height-adjustable to 12 different stroke ranges of the knives To be able to adjust box thicknesses. About its mounting lever 15 that respective protective housing 13 with the knife 12 automatically when changing the format positioned with the roller rail 10. The left protective housing 13 is in FIG. 2 shown partially open to the attachment of the knife 12 within the housing 13 to show. The knife 12 is attached to a holder 16 which by means of a pneumatic piston-cylinder unit can be moved vertically over the required stroke is to move the cutting edge of the knife 12 against the counter roller 14.

In Förderrichtung ist mit Abstand hinter den Messern 12 an jeder Längsseite der Überleitstation 5 eine Einrichtung zum seitlichen Herausziehen der beim Längsschnitt abgetrennten Seitenteile 11.1, 11.3, aus der Maschine angeordnet. Jede der Einrichtungen weist einen Bandförderer 17 auf, der von außen durch eine Aussparung in der oberen Rollenschiene 10 bis in die Nähe der Förderriemen 7, 8 reicht. Die Förderrichtung jedes Bandförderers 17 verläuft etwa um einen Winkel von 45° geneigt gegen die Förderrichtung der Riemenpaare 7, 8 nach außen oberhalb eines glatten Tisches 18, der außen an der Rollenwange 9 befestigt ist. Die obere Fläche des Tisches 17 bildet für den unteren Trum des an der oberen Rollenschiene 10 aufgehängten Bandförderers 17 eine Gegenfläche, auf der ein Schachtelteil 11.1, 11.3 nach außen abgeführt wird. Die vordere Umlenkrolle 19 des Bandförderers 17 ist mittels einer pneumatischen Kolben-Zylinder-Einheit 20 heb- und senkbar. Beim Absenken der Umlenkrolle 19 auf ein außen über die Förderriemen 7, 8 herausragende Schachtelteil 11.1, 11.3 zieht das Band das Schachtelteil 11.1, 11.3 über den Tisch 18 nach außen und entfernt es aus der Maschine. Durch Anheben der vorderen Umlenkrolle 19 wird der Bandförderer 17 inaktiviert. Um die Höhenposition jedes Bandförderers 17 an verschiedene Schachteldicken anpassen zu können, ist er höhenverstellbar an einem Tragarm 21 aufgehängt, der an der oberen Rollenschiene 10 befestigt ist. Zusätzlich ist er an den Tragarm 21 um eine senkrechte Achse drehbar befestigt, damit sein Neigungswinkel zur Förderrichtung eingestellt werden kann.In the conveying direction there is a distance behind the knives 12 on each long side of the transfer station 5 a device for pulling out the side of the cut in longitudinal section Side parts 11.1, 11.3, arranged from the machine. Each of the facilities has a belt conveyor 17, which from the outside through a recess in the upper Roller rail 10 extends into the vicinity of the conveyor belts 7, 8. The conveying direction of each Belt conveyor 17 is inclined at an angle of 45 ° to the conveying direction the pairs of belts 7, 8 to the outside above a smooth table 18, the outside is attached to the roller cheek 9. The upper surface of the table 17 forms for the lower run of the belt conveyor 17 suspended from the upper roller rail 10 a counter surface on which a box part 11.1, 11.3 is discharged to the outside. The Front deflection roller 19 of the belt conveyor 17 is by means of a pneumatic piston-cylinder unit 20 can be raised and lowered. When lowering the guide roller 19 to an outside The belt pulls over the conveyor belts 7, 8 projecting box part 11.1, 11.3 the box part 11.1, 11.3 over the table 18 to the outside and removes it from the Machine. The belt conveyor 17 is deactivated by lifting the front deflection roller 19. Around the height position of each belt conveyor 17 at different box thicknesses To be able to adjust it is adjustable in height suspended on a support arm 21, the the upper roller rail 10 is attached. In addition, it is on the support arm 21 by one vertical axis rotatably attached, so that its angle of inclination to the conveying direction can be adjusted.

In Figur 2 ist die bevorzugte Ausführungsform mit zwei Messern 12 dargestellt, die jeweils innen neben einem Förderriemenpaar 7, 8 angeordnet sind. Wird eine Schachtel 11 als fehlerhaft detektiert, so ermittelt die zentrale Steuereinheit der Faltschachtelklebemaschine den Zeitpunkt, zu dem diese Schachtel 11 in die Überleitstation 5 einläuft. Nachdem die vorhergehende fehlerfreie Schachtel die Messer 12 passiert hat, werden die Messer 12 abgesenkt und zerschneiden beim Durchlauf die Schachtel 11 in drei Teile 11.1, 11.2, 11.3. Falls eine fehlerfreie Schachtel folgt, werden die Messer 12 unmittelbar nach dem Durchlauf der Schachtel 11 wieder in ihre inaktive Position angehoben. Entsprechend verzögert werden anschließend die beiden Bandförderer 17 auf die außen zwischen den Förderriemen 7, 8 herausragenden Teile der Schachtelteile 11.1, 11.3 aufgesetzt, während der Bandantrieb eingeschaltet ist. Die Bandförderer 17 ziehen dabei die Schachtelteile 11.1, 11.3 über den Tisch 18 nach außen aus der Maschine heraus. Bevorzugt werden die Bandförderer 17 so eingestellt, dass ihr Winkel zur Förderrichtung 45° beträgt, und ihre Geschwindigkeit wird auf das √2-fache der Fördergeschwindigkeit der Riemen 7, 8 eingestellt. So werden die Schachtelteile 11.1, 11.3 beim Herausziehen weiterhin in Förderrichtung der Riemen 7, 8 mit deren Fördergeschwindigkeit weiterbewegt. Dies verhindert, dass vorhergehende oder nachfolgende Schachteln in ihrem Lauf beeinträchtigt werden. Das durch die beiden Längsschnitte erzeugte mittlere Teil 11.2 der Schachtel 11 wird nach unten abgeführt. Es kann mittels eines am Boden angeordneten Querförderers aus der Maschine entfernt werden oder es wird von einem im Bodenbereich angeordneten Schnitzelwerk zu Schnitzeln verkleinert, die einem Auffangbehälter zugeführt werden.In Figure 2, the preferred embodiment is shown with two knives 12, each are arranged inside next to a pair of conveyor belts 7, 8. Will be a box 11 detected as defective, the central control unit of the folder gluer determines the time at which this box 11 enters the transfer station 5. After the previous error-free box has passed the knives 12 the knives 12 are lowered and cut the box 11 into three during the passage Parts 11.1, 11.2, 11.3. If an error-free box follows, the knives 12 become immediate after passing through the box 11 again raised to its inactive position. The two belt conveyors 17 are subsequently delayed accordingly outside of the conveyor belts 7, 8 protruding parts of the box parts 11.1, 11.3 attached while the belt drive is switched on. Pull the belt conveyor 17 the box parts 11.1, 11.3 out over the table 18 out of the machine out. The belt conveyors 17 are preferably set so that their angle to the Direction of conveyance is 45 °, and their speed is √2 times the conveying speed the belt 7, 8 adjusted. So the box parts 11.1, 11.3 when pulling out in the conveying direction of the belts 7, 8 with their conveying speed advanced. This prevents previous or subsequent Boxes are affected in their run. That through the two longitudinal cuts generated middle part 11.2 of the box 11 is discharged downwards. It can be done by means of a cross conveyor arranged on the floor can be removed from the machine or it is reduced to chips by a shredder arranged in the base area, which are fed to a collecting container.

Anstelle der beiden Messer 12 kann auch nur ein einziges Messer zwischen den Förderriemenpaaren 7, 8 angeordnet werden, wenn die zu verarbeitende Schachtelform dies zuläßt. Beispielsweise wenn die Schachtel 11 so schmal ist, dass die bei einem Schnitt erzeugten Teile problemlos jeweils an einer Seite aus der Maschine herausgezogen werden können. Die Anordnung von zwei Messern 12 kann auch Schachtelformen verarbeiten, die Schachtelteile enthalten, die beim seitlichen Herausziehen an den Förderriemen 7, 8 Probleme bereiten. Die beiden Längsschnitte lassen sich dann so legen, dass alle Schachtelteile, die an einen Riemen 7, 8 anstoßen würden, am Mittelteil 11.2 verbleiben und so nach unten abgeführt werden. So lassen sich auch komplizierte Schachtelformen, insbesondere Faltbodenschachteln, problemlos aus der Maschine ausschleusen.Instead of the two knives 12, only a single knife can be placed between the pairs of conveyor belts 7, 8 are arranged when the box shape to be processed this allows. For example, if the box 11 is so narrow that the one Cut-produced parts are easily pulled out of the machine on one side can be. The arrangement of two knives 12 can also be box shapes Process that contain box parts, which when pulled out to the side Conveyor belts 7, 8 cause problems. The two longitudinal cuts can then be so place all parts of the box that would touch a belt 7, 8 on the middle part 11.2 remain and are discharged downwards. This way, even complicated ones can be created Box shapes, especially folding bottom boxes, can be easily removed from the machine discharging.

Claims (7)

  1. Folding box gluing machine for producing folding boxes (1) from blanks with
    a folding station (3) wherein the blank parts provided with an adhesive strip are folded,
    a subsequent transfer station (5), which, as a conveying device, has at least two conveyor belt pairs each consisting of an upper and a lower belt (7, 8), and a device for the ejection of defective boxes (11), and with
    a collection and pressing station (6) wherein the flat-lying folded boxes are pressed for the binding of the adhesive,
    characterized in that the ejection device comprises the following elements:
    at least one blade (12) cutting in the conveying direction, the blade (12) being supported between the two belt pairs (7, 8) at the beginning of the transfer station (5) so as to be lowered into the conveying plane of the boxes (11) and lifted off said plane, and
    downstream on each longitudinal side of the transfer station, a respective device for the lateral extraction of the lateral parts (11.1, 11.3) severed by the longitudinal cut on each longitudinal side of the transfer station (5).
  2. Folding box gluing machine according to claim 1,
    characterized in that two blades (12) are provided, each arranged to the inside next to the conveyor belt pair (7, 8).
  3. Folding box gluing machine according to claim 1 or 2,
    characterized by
    blades (12) designed as circular blades, which are preferably supported so as to rotate freely.
  4. Folding box gluing machine according to claim 3,
    characterized in that the blades (12) are supported in a housing (13) so that they can be lifted and lowered, the housing being fastened on a lateral roller rail (10) of the transfer station (5).
  5. Folding box gluing machine according to claim 4,
    characterized in that the housing (13) is height-adjustable and/or supported so that it can be swivelled outward over the roller rail (10).
  6. Folding box gluing machine according to one of claims 1 to 5,
    characterized in that on each longitudinal side of the machine a belt conveyor (17) is provided as a device for the extraction of the box parts (11.1, 11.3), the belt conveyor extending from the outside to the vicinity of the conveyor belts (7, 8).
  7. Folding box gluing machine according to claim 6,
    characterized in that the conveying direction of each belt conveyor (17) runs outward inclined at an angle of approximately 45° with respect to the conveying direction of the belt pairs (7, 8).
EP00967628A 1999-10-06 2000-08-25 Folded box gluing machine for producing folded boxes from blanks Expired - Lifetime EP1218168B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19948017A DE19948017A1 (en) 1999-10-06 1999-10-06 Folding box gluing machine for the production of folding boxes from blanks
DE19948017 1999-10-06
PCT/EP2000/008294 WO2001024998A1 (en) 1999-10-06 2000-08-25 Folded box gluing machine for producing folded boxes from blanks

Publications (2)

Publication Number Publication Date
EP1218168A1 EP1218168A1 (en) 2002-07-03
EP1218168B1 true EP1218168B1 (en) 2003-11-05

Family

ID=7924617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00967628A Expired - Lifetime EP1218168B1 (en) 1999-10-06 2000-08-25 Folded box gluing machine for producing folded boxes from blanks

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US (1) US6971979B1 (en)
EP (1) EP1218168B1 (en)
AT (1) ATE253451T1 (en)
DE (2) DE19948017A1 (en)
ES (1) ES2210002T3 (en)
WO (1) WO2001024998A1 (en)

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DE102004022212A1 (en) * 2004-05-04 2005-12-01 Heidelberger Druckmaschinen Ag Folded box gluer with improved accessibility
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Also Published As

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DE19948017A1 (en) 2001-04-12
DE50004363D1 (en) 2003-12-11
US6971979B1 (en) 2005-12-06
ATE253451T1 (en) 2003-11-15
WO2001024998A1 (en) 2001-04-12
EP1218168A1 (en) 2002-07-03
ES2210002T3 (en) 2004-07-01

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