EP1218168A1 - Folded box gluing machine for producing folded boxes from blanks - Google Patents

Folded box gluing machine for producing folded boxes from blanks

Info

Publication number
EP1218168A1
EP1218168A1 EP00967628A EP00967628A EP1218168A1 EP 1218168 A1 EP1218168 A1 EP 1218168A1 EP 00967628 A EP00967628 A EP 00967628A EP 00967628 A EP00967628 A EP 00967628A EP 1218168 A1 EP1218168 A1 EP 1218168A1
Authority
EP
European Patent Office
Prior art keywords
boxes
folded
transfer station
folding
box
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
EP00967628A
Other languages
German (de)
French (fr)
Other versions
EP1218168B1 (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
Jagenberg Diana GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jagenberg Diana GmbH filed Critical Jagenberg Diana GmbH
Publication of EP1218168A1 publication Critical patent/EP1218168A1/en
Application granted granted Critical
Publication of EP1218168B1 publication Critical patent/EP1218168B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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 invention relates to a folding box adhesive machine for producing folding boxes from blanks, with a folding station in which the blank parts provided with an adhesive strip are folded, an adjoining transfer station which, as a conveying device, comprises at least two pairs of requesting elements, each consisting of an upper and lower belt, and one Has device for discharging defective boxes, and with a collecting and pressing device in which the flat-folded boxes are pressed to set the adhesive
  • the discharge device in the transfer station serves to discharge incorrectly detected boxes in front of the collecting and pressing device before a shingled stream is produced from the boxes at the beginning of the collecting and pressing device.
  • the boxes are still required individually and at a distance from one another by the transfer station, so that a single box can be pulled out without affecting the preceding and following boxes.
  • Defective boxes are boxes that are not adequately glued, boxes that contain folding errors or boxes that were identified during an identity check as not belonging to the order
  • Such a generic folding box gluing machine is described in the brochure "Diana 1 15-3 Diana 125-3, the universal folding box gluing machines" of the applicants.
  • the machine described has an ejector as an additional device, which is installed as a pre-assembled unit in the transfer station and boxes - throws that were recognized as faulty
  • the ejector to eject the faulty cling boxes is arranged on a long side of the machine. It contains a pinch roller arranged on a turntable, from which a defective box is packed on its part protruding from the outside of the belt pair and pulled out of the machine
  • the invention is therefore based on the object of improving a generic folding box lifting machine in such a way that defective boxes of large width can be removed from the machine
  • the discharge device constructed in accordance with the invention has the further advantage that boxes with long flaps which are not folded in and which are not covered can also be discharged. If such boxes are pulled out as a whole only on one side, there is a risk that a conveyor belt will be removed from the box from its guidance This is due to the fact that the inwardly folded, uncovered long flap opens on the opposite side as soon as it is pulled out between the first pair of conveyor belts and meets the second pair of conveyor belts in the open state and entrains its upper belt
  • Long knives which are arranged on the inside next to the pairs of conveyor belts, divide the box into three parts.There are two narrow side parts that can be easily pulled out to one side, and a central part that is led down 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 box parts that could cause problems when pulling out on the straps remain on the middle part and are thus discharged downwards
  • the design of the long knife as a circular knife according to claim 3 makes it possible to cut even thick boxes made of cardboard or corrugated cardboard with a high weight per unit area
  • Figure 1 shows a schematic side view of the individual stations of a folding box gluing machine
  • Figure 2 shows a perspective view of part of the transfer station with the discharge device
  • the folding boxing machine begins with an insert 1, which pulls the blanks to be processed from a stack at high speed one after the other and feeds them individually to the subsequent processing stations
  • Exemplary embodiment has a two-stage design.
  • the primary crusher 2 contains folding elements to fold and unfold folding flaps so that the corresponding longitudinal lines are made soft and supple by kinking by 180 °.
  • the two-stage embodiment enables more longitudinal and transverse lines to be broken and additional ones
  • the folded boxes are checked for folding errors.
  • photocells are arranged in this area, from which the length of the box is scanned. If the length of the folded box does not correspond to the specified format, for example because a flap has not been folded properly, then This box of the central control unit of the folding box gluing machine was also reported as defective
  • the transfer station Directly adjacent to the folding station 3 is the transfer station 5, which is shown enlarged in FIG. 2.
  • the transfer station has the primary task of feeding the folded blanks, which have not yet been bonded with adhesive seams, in all parts precisely aligned to the subsequent collecting and pressing device 6 Transition from the transfer station 5 to the collecting and pressing device 6, a shingled stream is produced from the folded boxes.
  • the collecting and pressing device 6 has press bands by means of which the adhesive seams are held under pressure until the adhesive has set securely
  • the transfer station 5 contains, as a conveying device for the folded boxes, two pairs of belts that extend 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 belts 7 and the lower
  • the straps of the upper straps 8 are spaced apart from one another, the upper straps 8 holding down the folded-over side tabs of the blanks.
  • the pairs of straps 7, 8 must be able to be positioned transversely in order to adapt to different blanking widths mounted, which is suspended transversely positionable in the machine frame by means of an adjusting spindle.
  • each upper conveyor belt 8 is mounted on a so-called roller rail 10, which are each displaced transversely synchronously with the associated roller cheek 9 in order to achieve the desired one Adjusting the working position of the belts 8
  • the belts 8, 9 are driven by the central drive of the folder gluer
  • the transfer station 5 contains a discharge device which discharges from the folding-box gluing machine as defective boxes 11.
  • the structure and mode of operation of the discharge device are shown in FIG.
  • the discharge device contains at least one knife 12 that cuts in the direction of travel, which is arranged at the beginning of the transfer station 5 between the two pairs of feeders 7, 8.
  • the knife 12 is mounted in the frame of the transfer station 5 so that it can be raised and lowered so that it can be cut into the The level of the boxes 1 1 can be lowered and raised from the level for deactivation
  • Two identically constructed knives 12 are preferably arranged on the inside next to a pair of conveyor belts 7, 8, of which a defective box 11 is divided into three parts 11 1, 11 2, 11 3
  • the knives 12 are preferably freely rotatable circular knives which are mounted in a protective housing 13 and are moved downward for cutting against a counter roller 14.
  • Each counter roller 14 extends circumferentially from below to the height of the upper, demanding run of the lower conveyor belt 7 and thus supports a box 1 1 when cutting from below
  • the protective housing 13 of the circular knives 12 are each fastened to the associated upper roller rail 10. They can each be pivoted outwards into a parking position if they are not required.
  • the protective housing 13 is therefore each on one Lever 15 attached, which can be pivoted outwards on the respective roller rail 10 and at the same time is cross-adjustable in order to be able to change its relative position to the pair of belts 7, 8
  • the respective protective housing is via its fastening lever 15 13 automatically positioned with the knife 12 during a format change with the roller rail 10.
  • the left protective housing 13 is shown partially open in FIG. 2 in order to show the fastening of the knife 12 within the housing 13.
  • the knife 12 is fastened to a holder 16 which is fastened by means of a pneumatic piston-cylinder unit can be moved vertically over the required stroke in order to move the cutting edge of the knife 12 against the counter roller 14
  • a device for laterally pulling out the side parts 11.1, 11.3 that were cut during the longitudinal cut from the machine At a distance behind the knives 12 on each longitudinal side of the transfer station 5, there is a device for laterally pulling out the side parts 11.1, 11.3 that were cut during the longitudinal cut from the machine.
  • Each of the devices has a belt conveyor 17 which extends from the outside through a recess in the upper roller rail 10 to the vicinity of the conveyor belts 7, 8.
  • each belt conveyor 17 extends approximately at an angle of 45 ° to the conveying direction of the pairs of belts 7, 8 towards the outside above a smooth table 18 which is fastened to the outside of the roller cheek 9.
  • the upper surface of the table 17 forms a counter surface for the lower run of the belt conveyor 17 suspended from the upper roller rail 10, on which a box part 1 1.1, 1 1.3 is discharged to the outside.
  • the front deflection roller 19 of the belt conveyor 17 can be raised and lowered by means of a pneumatic piston-cylinder unit 20. When the deflecting roller 19 is lowered onto a box part 1 1.1, 1 1.3 which projects beyond the conveyor belts 7, 8, the belt pulls the box part 1 1.1, 1 1.3 outwards over the table 18 and removes it from the machine.
  • the belt conveyor 17 is deactivated by lifting the front deflection roller 19.
  • it is suspended in height-adjustable manner on a support arm 21 which is attached to the upper roller rail 10.
  • it is attached to the support arm 21 so as to be rotatable about a vertical axis, so that its angle of inclination with respect to the conveying direction can be adjusted.
  • FIG. 2 shows the preferred embodiment with two knives 12, each of which is arranged on the inside next to a pair of conveyor belts 7, 8. If a box 11 is detected as being defective, the central control unit of the folding box gluing machine determines the point in time at which this box 11 enters the transfer station 5.
  • the knives 12 are lowered and cut the box 11 into three parts 11.1, 11.2, 11.3 during the passage. If a faultless box follows, the knives 12 are raised to their inactive position again immediately after the box 11 has passed through. With a corresponding delay, the two belt conveyors 17 are then placed on the parts of the box parts 11.1, 11.3 protruding outside between the conveyor belts 7, 8 while the belt drive is switched on. The belt conveyors 17 pull the box parts 11.1, 11.3 out over the table 18 out of the machine.
  • the belt conveyors 17 are preferably set so that their angle to the conveying direction is 45 °, and their speed is increased to V 2 times the conveying speed. The speed of the belts 7, 8 is set.
  • a single knife can be arranged between the pairs of conveyor belts 7, 8 if the box shape to be processed permits this, for example if the box 11 is so narrow that the parts produced during a cut can be easily removed from one side of the Machine can be pulled out
  • the arrangement of two knives 12 can also process box shapes that contain box parts that cause problems when pulling out on the side of the conveyor belts 7, 8.
  • the two longitudinal cuts can then be made so that all box parts attached to a belt 7, 8 have been butted, remain on the central part 1 1 2 and are thus discharged downwards. Even complicated box shapes, in particular folding-bottom boxes, can be easily removed from the machine

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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

B E S C H R E I B U N G DESCRIPTION
Faltschachtelklebemaschine zur Herstellung von Faltschachteln aus ZuschnittenFolding box gluing machine for the production of folding boxes from blanks
Technisches GebietTechnical field
Die Erfindung betrifft eine Faltschachtelklebemaschme zur Herstellung von Falt- schachteln aus Zuschnitten, mit einer Faltstation, in der die mit einem Klebestreifen versehenen Zuschnittteile gefaltet werden, einer sich anschließenden Uberleitstation, die als Fordereinrichtung zumindest zwei jeweils aus einem oberen und unteren Riemen bestehende Forderπemenpaare 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 werdenThe invention relates to a folding box adhesive machine for producing folding boxes from blanks, with a folding station in which the blank parts provided with an adhesive strip are folded, an adjoining transfer station which, as a conveying device, comprises at least two pairs of requesting elements, each consisting of an upper and lower belt, and one Has 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 Uberleitstation dient αazu, 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 Uberleitstation werden die Schachteln noch einzeln und mit Abstand von einander gefordert, so daß eine einzelne Schachtel ohne Beeinträchtigung der vorhergehenden und nachfolgenden Schachtel herausgezogen werden kann Fehler- hafte Schachteln sind Schachteln, die nicht ausreichend beleimt sind, Schachteln die Faltungsfehler enthalten oder Schachteln die bei einer Identitatskontrolle als nicht zu dem Auftrag gehörig erkannt wurdenThe discharge device in the transfer station serves to discharge incorrectly detected boxes in front of the collecting and pressing device before a shingled stream is produced from the boxes at the beginning of the collecting and pressing device. The boxes are still required individually and at a distance from one another by the transfer station, so that a single box can be pulled out without affecting the preceding and following boxes. Defective boxes are boxes that are not adequately glued, boxes that contain folding errors or boxes that were identified during an identity check as not belonging to the order
Stand der TechnikState of the art
Eine derartige, gattungsgemaße Faltschachtelklebemaschme ist in dem Prospekt „Diana 1 15-3 Diana 125-3, die universellen Faltschachtel-Klebemaschinen" der Anmeldeπn beschrieben Die beschriebene Maschine hat als Zusatzeinrichtung einen Auswerfer, der als vormontierte Einheit in die Uberleitstation eingebaut wird und Schachteln aus- wirft, die als fehlerhaft erkannt wurden Der Auswerfer zum Ausschleusen der fehler- haften Schachteln ist an einer Maschinenlangsseite angeordnet Er enthalt 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 wirdSuch a generic folding box gluing machine is described in the brochure "Diana 1 15-3 Diana 125-3, the universal folding box gluing machines" of the applicants. The machine described has an ejector as an additional device, which is installed as a pre-assembled unit in the transfer station and boxes - throws that were recognized as faulty The ejector to eject the faulty cling boxes is arranged on a long side of the machine. It contains a pinch roller arranged on a turntable, from which a defective box is packed on its part protruding from the outside of the belt pair and pulled out of the machine
Die bekannten Ausschleusevorrichtungen, mit denen eine Schachtel zwischen den Forderriemenpaaren 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 vorherge- henden und nachfolgenden Schachteln aus der Maschine herauszuziehenThe known discharge devices, with which a box between the pairs of conveyor belts is pulled out to one side, cannot be used with large boxes of more than 500 mm in width. They are not able to deliver boxes of this size at the required speed without impairing the previous and pull the following boxes out of the machine
Darstellung der ErfindungPresentation of the invention
Der Erfindung liegt daher die Aufgabe zugrunde, eine gattungsgemaße Faltschachtel- Hebemaschine so zu verbessern, daß als fehlerhaft erkannte Schachteln von großer Breite aus der Maschine ausgeschleust werden könnenThe invention is therefore based on the object of improving a generic folding box lifting machine in such a way that defective boxes of large width can be removed from the machine
Diese Aufgabe wird mit dem Merkmalen des Patentanspruchs 1 gelostThis object is achieved with the features of patent claim 1
Die erfindungsgemaß aufgebaute Ausschleuseeinrichtung hat den weiteren Vorteil, daß auch Schachteln mit beidseits nach innen gefalteten nicht abgedeckten Langslap- pen ausgeschleust werden können Werden derartige Schachteln als gesamtes nur nach einer Seite herausgezogen, so besteht die Gefahr, daß ein Forderriemen von der Schachtel aus seiner Fuhrung gerissen wird Dies hat seinen Grund dann, daß der nach innen gefaltene , nicht abgedeckte Langslappen an der abgewandten Seite sich öffnet, sobald er zwischen dem ersten Forderriemenpaar herausgezogen ist und im geöffneten Zustand auf das zweite Forderriemenpaar trifft und dessen oberen Riemen mitreißtThe discharge device constructed in accordance with the invention has the further advantage that boxes with long flaps which are not folded in and which are not covered can also be discharged. If such boxes are pulled out as a whole only on one side, there is a risk that a conveyor belt will be removed from the box from its guidance This is due to the fact that the inwardly folded, uncovered long flap opens on the opposite side as soon as it is pulled out between the first pair of conveyor belts and meets the second pair of conveyor belts in the open state and entrains its upper belt
Bei der besonders vorteilhaften Ausgestaltung nach Patentanspruch 2 mit zweiIn the particularly advantageous embodiment according to claim 2 with two
Langsmessern, die jeweils innen neben den Forderriemenpaaren 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 Forderriemenpaaren 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 konnten, am Mittelteil verbleiben und so nach unten abgeführt werdenLong knives, which are arranged on the inside next to the pairs of conveyor belts, divide the box into three parts.There are two narrow side parts that can be easily pulled out to one side, and a central part that is led down 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 box parts that could cause problems when pulling out on the straps remain on the middle part and are thus discharged downwards
Die Ausgestaltung des Langsmessers als Kreismesser gemäß Patentanspruch 3 ermöglicht es, auch dicke Schachteln aus Karton oder Wellpappe mit hohem Flachenge- wicht mehrlagig zu zerschneidenThe design of the long knife as a circular knife according to claim 3 makes it possible to cut even thick boxes made of cardboard or corrugated cardboard with a high weight per unit area
Kurze Beschreibung der ZeichnungBrief description of the drawing
Die Zeichnung dient zur Erläuterung der Erfindung anhand eines vereinfacht dargestellten AusfuhrungsbeispielsThe drawing serves to explain the invention with reference to a simplified embodiment example
Figur 1 zeigt in einer schematischen Seitenansicht die einzelnen Stationen einer FaltschachtelklebemaschmeFigure 1 shows a schematic side view of the individual stations of a folding box gluing machine
Figur 2 zeigt in perspektivischer Darstellung einen Teil der Uberleitstation mit der AusschleuseeinrichtungFigure 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 Forderrichtung (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 zufuhrt Auf den Einleger 1 folgt ein Vorbrecher 2, der im vorliegenden Aus- fuhrungsbeispiel zweistufig ausgebildet ist Der Vorbrecher 2 enthalt Faltelemente, um Faltlappen vor- und zuruckzufalten, damit die entsprechenden Langsπllinien durch Knicken um 180° weich und geschmeidig gemacht werden Die zweistufige Ausfuh- rungsform ermöglicht es, mehr Längs- und Querπllinien zu brechen und zusätzlicheIn the forward direction (in figures from right to left), the folding boxing machine begins with an insert 1, which pulls the blanks to be processed from a stack at high speed one after the other and feeds them individually to the subsequent processing stations Exemplary embodiment has a two-stage design. The primary crusher 2 contains folding elements to fold and unfold folding flaps so that the corresponding longitudinal lines are made soft and supple by kinking by 180 °. The two-stage embodiment enables more longitudinal and transverse lines to be broken and additional ones
Faltungen durchzufuhren 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 ubli- cherweise für Leim, angeordnet ist Das Klebstoffauftragwerk 4 enthalt Leimdusen oder Leimscheiben, von denen der Klebstoff streifenformig 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 Leimnahtkontrollgerat beruhrungslos abgetastet Falls der Klebestreifen nicht die geforderte Qualltat aufweist, wird die Schachtel der zentralen Steuereinheit als fehlerhaft gemeldetFolding In certain box shapes, two adhesive applicators are already arranged inside the pre-crusher in order to apply additional adhesive strips in the longitudinal direction. The next processing station for the pre-crusher 2 is the folding station 3, at the beginning of which an applicator 4 for adhesive is usually arranged for glue Adhesive applicator 4 contains glue nozzles or Glue discs, from which the adhesive is applied in strips to the blanks Before the folding flaps of the folding elements provided with an adhesive strip are folded, the applied adhesive strip is checked for this purpose the box of the central control unit is 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 Schachtel- lange abgetastet wird Entspricht die Lange der gefalteten Schachtel nicht dem vorgegebenen Format, beispielsweise weil ein Lappen nicht ordnungsgemäß gefaltet wurde, so wird auch αiese Schachtel der zentralen Steuereinheit der Faltschachtelklebemaschme als fehlerhaft gemeldetAt the end of the folding station 3, the folded boxes are checked for folding errors. To this end, photocells are arranged in this area, from which the length of the box is scanned. If the length of the folded box does not correspond to the specified format, for example because a flap has not been folded properly, then This box of the central control unit of the folding box gluing machine was also reported as defective
Unmittelbar an die Faltstation 3 schließt sich die Uberleitstation 5 an, die in Figur 2 vergrößert dargestellt ist Die Uberleitstation hat die primäre Aufgabe, die gefalteten, mit noch nicht abgebundenen Klebenahten versehenen Zuschnitte in allen Teilen exakt ausgerichtet der nachfolgenden Sammel- und Preßeinrichtung 6 zuzuführen Beim Übergang von der Uberleitstation 5 zur Sammel- und Preßeinrichtung 6 wird ein Schuppenstrom aus den gefalteten Schachteln hergestellt Die Sammel- und Preßein- πchtung 6 weist Preßbander auf, mittels deren die Klebenahte unter Druck gehalten werden, bis der Klebstoff sicher abgebunden istDirectly adjacent to the folding station 3 is the transfer station 5, which is shown enlarged in FIG. 2. The transfer station has the primary task of feeding the folded blanks, which have not yet been bonded with adhesive seams, in all parts precisely aligned to the subsequent collecting and pressing device 6 Transition from the transfer station 5 to the collecting and pressing device 6, a shingled stream is produced from the folded boxes. The collecting and pressing device 6 has press bands by means of which the adhesive seams are held under pressure until the adhesive has set securely
Die Uberleitstation 5 enthalt als Fordereinrichtung für die gefalteten Schachteln zwei sich parallel mit Abstand von einander in Forderrichtung 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 gefordert, wobei die oberen Riemen 8 die umgelegten Seitenlappen der Zuschnitte niederhalten Die Forderriemenpaare 7, 8 müssen zur Anpassung auf verschiedene Zuschnittsbreiten querpositionierbar sein Dazu ist jeder der unteren Forderriemen 7 an einer sich in Forderrichtung erstreckenden Rollenwange 9 gelagert, die mittels einer Verstellspindel quer positionierbar im Maschinenrahmen aufgehängt ist Entsprechend ist jeder obere Forderriemen 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 Faltschachtelklebemaschme angetriebenThe transfer station 5 contains, as a conveying device for the folded boxes, two pairs of belts that extend 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 belts 7 and the lower The straps of the upper straps 8 are spaced apart from one another, the upper straps 8 holding down the folded-over side tabs of the blanks. The pairs of straps 7, 8 must be able to be positioned transversely in order to adapt to different blanking widths mounted, which is suspended transversely positionable in the machine frame by means of an adjusting spindle. Accordingly, each upper conveyor belt 8 is mounted on a so-called roller rail 10, which are each displaced transversely synchronously with the associated roller cheek 9 in order to achieve the desired one Adjusting the working position of the belts 8 The belts 8, 9 are driven by the central drive of the folder gluer
Die Uberleitstation 5 enthalt eine Ausschleuseeinrichtung, die als fehlerhaft dedektierte Schachteln 1 1 aus der Faltschachtelklebemaschme auschleust Der Aufbau und die Arbeitsweise der Ausschleuseeinrichtung sind in Figur 2 dargestelltThe transfer station 5 contains a discharge device which discharges from the folding-box gluing machine as defective boxes 11. The structure and mode of operation of the discharge device are shown in FIG
Die Ausschleuseeinrichtung enthalt zumindest ein in Forderrichtung schneidendes Messer 12, das am Anfang der Uberleitstation 5 zwischen den beiden Forderπemen- paaren 7, 8 angeordnet ist Das Messer 12 ist im Gestell der Uberleitstation 5 heb- und senkbar so gelagert, dass es zum Schneiden in die Forderebene der Schachteln 1 1 absenkbar und zur Inaktivierung aus der Forderebene anhebbar istThe discharge device contains at least one knife 12 that cuts in the direction of travel, which is arranged at the beginning of the transfer station 5 between the two pairs of feeders 7, 8. The knife 12 is mounted in the frame of the transfer station 5 so that it can be raised and lowered so that it can be cut into the The level of the boxes 1 1 can be lowered and raised from the level for deactivation
Bevorzugt werden zwei identisch aufgebaute Messer 12 jeweils innen neben einem Forderriemenpaar 7, 8 angeordnet, von denen eine fehlerhafte Schachtel 1 1 in drei Teile 11 1 , 11 2, 11 3 aufgeteilt wirdTwo identically constructed knives 12 are preferably arranged on the inside next to a pair of conveyor belts 7, 8, of which a defective box 11 is divided into three parts 11 1, 11 2, 11 3
Bevorzugt sind die Messer 12 frei drehbar in einem Schutzgehause 13 gelagerte Kreismesser, die zum Schneiden gegen eine Gegenrolle 14 nach unten bewegt wer- den Jede Gegenrolle 14 reicht von unten umfänglich bis in die Hohe des oberen, fordernden Trums des unteren Forderriemens 7 und stutzt so eine Schachtel 1 1 beim Schneiden von unten ab Die Schutzgehause 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 benotigt werden Die Schutzge- hause 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 verandern zu können Zusätzlich sind die Gehäuse 13 hohenverstellbar gelagert, um den Hubbereich der Messer 12 verschiedenen Schachteldicken anpassen zu können Über seinen Befestigungshebel 15 wird das jeweilige Schutzgehause 13 mit dem Messer 12 automatisch bei einer Formatumstellung mit der Rollenschiene 10 positioniert Das linke Schutzgehause 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-Emheit vertikal über den erforderlichen Hub bewegbar ist, um die Schneidkante des Messers 12 gegen die Gegenrolle 14 zu bewegen ln 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 1 1.1 , 1 1.3 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 1 1.1 , 1 1.3 zieht das Band das Schachtelteil 1 1.1 , 1 1.3 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.The knives 12 are preferably freely rotatable circular knives which are mounted in a protective housing 13 and are moved downward for cutting against a counter roller 14. Each counter roller 14 extends circumferentially from below to the height of the upper, demanding run of the lower conveyor belt 7 and thus supports a box 1 1 when cutting from below The protective housing 13 of the circular knives 12 are each fastened to the associated upper roller rail 10. They can each be pivoted outwards into a parking position if they are not required. The protective housing 13 is therefore each on one Lever 15 attached, which can be pivoted outwards on the respective roller rail 10 and at the same time is cross-adjustable in order to be able to change its relative position to the pair of belts 7, 8 The respective protective housing is via its fastening lever 15 13 automatically positioned with the knife 12 during a format change with the roller rail 10. The left protective housing 13 is shown partially open in FIG. 2 in order to show the fastening of the knife 12 within the housing 13. The knife 12 is fastened to a holder 16 which is fastened by means of a pneumatic piston-cylinder unit can be moved vertically over the required stroke in order to move the cutting edge of the knife 12 against the counter roller 14 In the conveying direction, at a distance behind the knives 12 on each longitudinal side of the transfer station 5, there is a device for laterally pulling out the side parts 11.1, 11.3 that were cut during the longitudinal cut from the machine. Each of the devices has a belt conveyor 17 which extends from the outside through a recess in the upper roller rail 10 to the vicinity of the conveyor belts 7, 8. The conveying direction of each belt conveyor 17 extends approximately at an angle of 45 ° to the conveying direction of the pairs of belts 7, 8 towards the outside above a smooth table 18 which is fastened to the outside of the roller cheek 9. The upper surface of the table 17 forms a counter surface for the lower run of the belt conveyor 17 suspended from the upper roller rail 10, on which a box part 1 1.1, 1 1.3 is discharged to the outside. The front deflection roller 19 of the belt conveyor 17 can be raised and lowered by means of a pneumatic piston-cylinder unit 20. When the deflecting roller 19 is lowered onto a box part 1 1.1, 1 1.3 which projects beyond the conveyor belts 7, 8, the belt pulls the box part 1 1.1, 1 1.3 outwards over the table 18 and removes it from the machine. The belt conveyor 17 is deactivated by lifting the front deflection roller 19. In order to be able to adapt the height position of each belt conveyor 17 to different box thicknesses, it is suspended in height-adjustable manner on a support arm 21 which is attached to the upper roller rail 10. In addition, it is attached to the support arm 21 so as to be rotatable about a vertical axis, so that its angle of inclination with respect 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 Faltschachtelkle- bemaschine den Zeitpunkt, zu dem diese Schachtel 11 in die Überleitstation 5 einläuft.FIG. 2 shows the preferred embodiment with two knives 12, each of which is arranged on the inside next to a pair of conveyor belts 7, 8. If a box 11 is detected as being defective, the central control unit of the folding box gluing machine determines the point in time at which this box 11 enters the transfer station 5.
Nachdem die vorhergehende fehlerfreie Schachtel die Messer 12 passiert hat, werden die Messer 12 abgesenkt und zerschneiden beim Durchlauf die Schachtel 1 1 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 angeho- ben. 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 V 2-fache der För- dergeschwindigkeit der Riemen 7, 8 eingestellt So werden die Schachtelteile 1 1 1 , 1 1 3 beim Herausziehen weiterhin in Forderrichtung der Riemen 7, 8 mit deren Fordergeschwindigkeit weiterbewegt Dies verhindert, dass vorhergehende oder nachfolgende Schachteln in ihrem Lauf beeinträchtigt werden Das durch die beiden Längsschnitte erzeugte mittlere Teil 1 1 2 der Schachtel 11 wird nach unten abgeführt. Es kann mittels eines am Boden angeordneten Querforderers aus der Maschine entfernt werden oder es wird von einem im Bodenbereich angeordneten Schnitzelwerk zu Schnitzeln verkleinert, die einem Auffangbehalter zugeführt werdenAfter the previous error-free box has passed the knives 12, the knives 12 are lowered and cut the box 11 into three parts 11.1, 11.2, 11.3 during the passage. If a faultless box follows, the knives 12 are raised to their inactive position again immediately after the box 11 has passed through. With a corresponding delay, the two belt conveyors 17 are then placed on the parts of the box parts 11.1, 11.3 protruding outside between the conveyor belts 7, 8 while the belt drive is switched on. The belt conveyors 17 pull the box parts 11.1, 11.3 out over the table 18 out of the machine. The belt conveyors 17 are preferably set so that their angle to the conveying direction is 45 °, and their speed is increased to V 2 times the conveying speed. The speed of the belts 7, 8 is set. Thus, when the box parts 1 1 1, 1 1 3 are pulled out, they continue to be moved in the direction of the belt 7, 8 at the speed of their movement. This prevents previous or subsequent boxes from being impaired in their movement. This is due to the two longitudinal cuts generated middle part 1 1 2 of the box 11 is discharged downwards. It can be removed from the machine by means of a transverse conveyor arranged on the floor, or it is reduced by a shredder arranged in the floor area to chips which are fed to a collecting container
Anstelle der beiden Messer 12 kann auch nur ein einziges Messer zwischen den Forderriemenpaaren 7, 8 angeordnet werden, wenn die zu verarbeitende Schachtelform dies zulaßt 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 Schachtelfor- men verarbeiten, die Schachtelteile enthalten, die beim seitlichen Herausziehen an den Forderriemen 7, 8 Probleme bereiten Die beiden Längsschnitte lassen sich dann so legen, dass alle Schachtelteile, die an einen Riemen 7, 8 anstoßen wurden, am Mittelteil 1 1 2 verbleiben und so nach unten abgeführt werden So lassen sich auch komplizierte Schachtelformen, insbesondere Faltbodenschachteln, problemlos aus der Ma- schine ausschleusen Instead of the two knives 12, only a single knife can be arranged between the pairs of conveyor belts 7, 8 if the box shape to be processed permits this, for example if the box 11 is so narrow that the parts produced during a cut can be easily removed from one side of the Machine can be pulled out The arrangement of two knives 12 can also process box shapes that contain box parts that cause problems when pulling out on the side of the conveyor belts 7, 8. The two longitudinal cuts can then be made so that all box parts attached to a belt 7, 8 have been butted, remain on the central part 1 1 2 and are thus discharged downwards. Even complicated box shapes, in particular folding-bottom boxes, can be easily removed from the machine

Claims

P A T E N T A N S P R U C H EP A T E N T A N S P R U C H E
11
Faltschachtelklebemaschme zur Herstellung von Faltschachteln (1 ) aus Zuschnitten,Folding box gluing machine for the production of folding boxes (1) from blanks,
- einer Faltstation (3), in der die mit einem Klebestreifen versehenen Zuschnittelle gefaltet werden,- a folding station (3) in which the cut-outs provided with an adhesive strip are folded,
- einer sich anschließenden Uberleitstation (5), die als Fordereinrichtung zumindest zwei jeweils aus einem oberen und unteren Riemen (7, 8) bestehende Forderriemenpaare und eine Einrichtung zum Ausschleusen fehlerhafter Schachteln (1 1 ) aufweist, und mit - einer Sammel- und Preßeinrichtung (6), in der die flachliegend gefalteten Schachteln zum Abbinden des Klebstoffs gepreßt werden, dadurch gekennzeichnet, dass die Ausschleuseeinrichtung folgende Elemente enthalt- An adjoining transfer station (5), which has at least two pairs of conveyor belts, each consisting of an upper and lower belt (7, 8) and a device for discharging defective boxes (1 1), and with - a collecting and pressing device ( 6), in which the flat-folded boxes are pressed to set the adhesive, characterized in that the discharge device contains the following elements
- zumindest ein in Forderrichtung schneidendes Messer (12), das am Anfang der Uberleitstation (5) zwischen den beiden Forderriemenpaaren (7, 8) in die Forderebene der Schachteln (11 ) absenkbar und aus dieser anhebbar gelagert ist, und nachfolgend an jeder Längsseite der Uberleitstation (5) jeweils eine Einrichtung zum seitlichen Herausziehen der beim Längsschnitt abgetrennten Seitenteile (11 1 , 11 3) aus der Maschine- At least one knife (12) cutting in the conveying direction, which at the beginning of the transfer station (5) between the two pairs of conveying belts (7, 8) can be lowered into the conveying plane of the boxes (11) and lifted out of it, and subsequently on each longitudinal side of the Transfer station (5) each has a device for pulling the side parts (11 1, 11 3) separated during the longitudinal cut out of the machine
22
Faltschachtelklebemaschme nach Anspruch 1 , dadurch gekennzeichnet, dass zwei Messer (12) jeweils innen neben den Forderriemenpaaren (7, 8) angeordnet sindFolding box adhesive machine according to claim 1, characterized in that two knives (12) are each arranged inside next to the conveyor belt pairs (7, 8)
33
Faltschachtelklebemaschme nach Anspruch 1 oder 2, gekennzeichnet durch alsFolding box adhesive machine according to claim 1 or 2, characterized by as
Kreismesser gestaltete Messer (12), die vorzugsweise frei drehbar gelagert sind 4Circular knives (12) designed, which are preferably freely rotatable 4
Faltschachtelklebemaschme nach Anspruch 3, dadurch gekennzeichnet, dass die Messer (12) in einem Gehäuse (13) heb- und senkbar gelagert sind, das an einer seitlichen Rollenschiene (10) der Uberleitstation (5) befestigt istFolding box adhesive machine according to claim 3, characterized in that the knives (12) are mounted in a housing (13) which can be raised and lowered and which is fastened to a lateral roller rail (10) of the transfer station (5)
55
Faltschachtelklebemaschme nach Anspruch 4, dadurch gekennzeichnet, dass das Gehäuse (13) hohenverstellbar und/oder über die Rollenschiene (10) nach außen schwenkbar gelagert istFolding box gluing machine according to claim 4, characterized in that the housing (13) is height-adjustable and / or is pivotably mounted to the outside via the roller rail (10)
66
Faltschachtelklebemaschme nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet dass an jeder Maschmenlangsseite als Einrichtung zum Herausziehen der Schachtelteile (1 1 1 , 1 1 3) ein Bandförderer (17) angeordnet ist, der von außen bis in die Nahe der Forderriemen (7, 8) reichtFolding box adhesive machine according to one of claims 1 to 5, characterized in that a belt conveyor (17) is arranged on each long side of the machine as a device for pulling out the box parts (1 1 1, 1 1 3), which is from the outside to the vicinity of the conveyor belt (7, 8) is enough
77
Faltschachtelklebemaschme nach Anspruch 6, dadurch gekennzeichnet, dass die Forderrichtung jedes Bandforders (17) etwa um einen Winkel von 45° gegen die Forderrichtung der Riemenpaare (7, 8) geneigt nach außen verlauft Folding box adhesive machine according to claim 6, characterized in that the direction of conveyance of each tape folder (17) is inclined to the outside at an angle of approximately 45 ° with respect to the direction of conveyance of the pairs of belts (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)

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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

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EP1218168B1 EP1218168B1 (en) 2003-11-05

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AT (1) ATE253451T1 (en)
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EP1218168B1 (en) 2003-11-05
ATE253451T1 (en) 2003-11-15
US6971979B1 (en) 2005-12-06
WO2001024998A1 (en) 2001-04-12
DE19948017A1 (en) 2001-04-12
ES2210002T3 (en) 2004-07-01

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