EP0342384A1 - Method and apparatus for inspecting carton packages - Google Patents

Method and apparatus for inspecting carton packages Download PDF

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Publication number
EP0342384A1
EP0342384A1 EP89107242A EP89107242A EP0342384A1 EP 0342384 A1 EP0342384 A1 EP 0342384A1 EP 89107242 A EP89107242 A EP 89107242A EP 89107242 A EP89107242 A EP 89107242A EP 0342384 A1 EP0342384 A1 EP 0342384A1
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EP
European Patent Office
Prior art keywords
packs
folding
carton
walls
tabs
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
EP89107242A
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German (de)
French (fr)
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EP0342384B1 (en
Inventor
Heinz Focke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Focke and Co GmbH and Co KG
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Focke and Co GmbH and Co KG
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Publication of EP0342384A1 publication Critical patent/EP0342384A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/20—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by folding-down preformed flaps

Definitions

  • the invention relates to a method for checking cardboard packs with regard to the correct formation of (bottom and / or top) walls formed from folding tabs and fixed by adhesive and / or adhesive strips. Furthermore, the invention relates to a device for performing the method.
  • the cardboard packs mentioned here are primarily large-volume packs made of corrugated cardboard or the like. They are mainly used to hold smaller packs. For example, small containers of cigarette packs - so-called cigarette sticks with e.g. ten or twenty cigarette packs - packed in such cardboard packs.
  • Cuts for the production of carton packs are common Ch folded first so that a rectangular or square "tube” surrounding the package is formed, which is open on two opposite sides. These open sides are then closed by partially overlapping folding tabs, namely two opposite and complementary inner tabs and two mutually opposite and complementary outer tabs.
  • the folding flaps create the bottom wall and top wall.
  • the folding tabs are connected to each other by gluing.
  • glue surfaces are applied to the inner lobes and / or to the inside of the outer lobes.
  • the carton pack can be closed by an adhesive strip applied on the outside.
  • the invention is concerned with the testing of the closure of such or similar carton packs.
  • the object on which the invention is based is to reliably determine any errors in the area of the closure, namely in the area of the walls formed from the folding tabs.
  • the method according to the invention is characterized in that, immediately after completion of the walls, pressure is exerted on them in the region of adjacent cardboard edges by folding the folding tabs in such a way that the folding tabs are moved out of the wall plane by incorrectly formed walls.
  • the pressure treatment according to the invention of the folding tabs glued or connected to one another ensures that faulty carton packs are also identified in which the connection of the Folding flap to the outside is apparently correct.
  • the pressure load in the plane of the walls formed by the folding tabs ensures that inadequate (adhesive) connections lead to the opening of the folding tabs and thus to the incorrect packing being determined.
  • the device according to the invention for testing cardboard packs is equipped, following a gluing and folding station, with a test station in which the cardboard packs are acted upon by pressure members which generate pressure in the plane of the walls formed by the folding tabs. Cardboard packs with intact walls withstand the pressure.
  • any incorrect packs are identified in the area of a test station and sorted out in terms of conveyor technology.
  • light barriers extend in a plane parallel to the walls formed from folding tabs, in particular in a vertical plane. In this way, folding tabs that protrude to the side or adhesive strips - if the adhesive strips are incorrectly attached - are recognized.
  • the adhesive strip is expediently applied by a corresponding application element following the test station, but in the conveying direction in front of the control station tion. In the area of the control station, possibly incorrectly applied or insufficiently adhesive adhesive strips are identified.
  • the embodiment shown in the drawings is concerned with the production of cardboard packs 10 for holding, for example, cigarette sticks.
  • the Carton packs 10 are transported on a feed conveyor 11 (in cycles).
  • the feed conveyor 11 here consists of two spaced apart support rods 12, 13, on which the carton pack 10 rests and is slid on.
  • the transport is carried out by drivers 14 of a (chain) conveyor acting on the rear.
  • the carton pack 10 consists of a blank, e.g. made of corrugated cardboard that surrounds the contents of the pack.
  • the carton pack 10 is initially open on both sides - upright side surfaces parallel to the conveying direction.
  • the blank has folding flaps which can be folded onto one another, namely inner flaps 15, 16 and outer flaps 17, 18.
  • the aforementioned folding flaps 15. 18 are folded over one another to form, for example, bottom wall 19 and top wall 20.
  • the inner tabs 15, 16 proceed from mutually opposite vertical edges 21, 22, while the outer tabs 17, 18 merge into upper walls of the cardboard pack 10 via upper and lower horizontal edges 23, 24.
  • the outer tabs 17, 18 in the present example of a carton pack 10 are dimensioned such that they completely cover the bottom wall 19 or the top wall 20 and abut one another in the region of a parting line 25. This is arranged in the middle.
  • the carton packs 10 are filled outside the aggregates shown here and partially folded in the area of the bottom wall 19 and the top wall 20, namely with respect to the inner tabs 15, 16. These are already folded into the end position when the carton Pack 10 reaches the area of a gluing station 26.
  • the outer tabs 17, 18 are pre-folded here so that they are in an inclined position (Fig. 5). With this relative position of the outer tabs 17, 18, the carton pack 10 can glue members 27, 28 arranged on both sides of the feed conveyor 11 are moved past such that appropriately designed nozzle heads 29 extend adjacent to the inside of the oblique outer tabs 17, 18 (FIG. 5). In this position, glue strips 30, 31 (hot-melt) can be sprayed onto the inner tabs 15, 16 in two successive spray cycles.
  • a folding station 32 follows the gluing station 26 in the conveying direction. Two measures are carried out in this in the area of the folding tabs. Firstly, the outer tabs 17, 18 are pressed against the inner tabs 15, 16, that is to say folded in the end position. On the other hand, the outer tabs 17, 18 are corrected or aligned with respect to the relative position after this folding step in such a way that the outer tabs 17, 18 abut each other in the region of the parting line 25.
  • folding elements are arranged laterally next to the feed conveyor, which can be moved in the transverse direction against the carton pack 10.
  • these are roller folders 33, 34 on both sides of the feed path 11.
  • Each roller folder 33, 34 consists of a U-shaped support frame 35 with horizontally directed flanges 36. Inside the support frame 35, namely between the upper and lower Flanges 36, a larger number of freely rotatable pressure rollers 37 is arranged with an upright axis of rotation.
  • the roller folders 33, 34 formed in this way are moved from a retracted position (FIG. 5) to a folded position (FIG. 6, left), bearing against the outer tabs 17, 18 pressed against the inner tabs 15, 16.
  • the roller folder 33, 34 can remain in this folding or pressing position if the carton pack 10 is conveyed further out of the folding station 32 after the measures provided have been carried out.
  • the pressure rollers 42 can be moved against the load of a compression spring 45 or dodge.
  • the pressure rollers 42 of a counter-holder 43 are arranged on an elongated carrier 46 which is pivotably mounted on a crossbar 47 which extends above the movement path of the carton packs 10.
  • the carrier 46 is provided with a shoulder 48 which is attached to the crossbar 47 with a joint 49.
  • the compression springs 45 are supported with the upper end also from the appropriately dimensioned crossbar 47.
  • the fully folded cardboard packs 10 arrive in the area of a tape station 50 by further transport on the feed conveyor 11.
  • an adhesive strip 51 is applied to the side surfaces, that is to say to the bottom wall 19 and / or top wall 20.
  • the adhesive strip 51 is attached so that the parting line 25 between the two outer tabs 17, 18 is covered.
  • the adhesive strip 51 is applied by means of tape units 52, 53 of conventional design arranged on both sides of the feed conveyor track.
  • a tape 55 provided with an adhesive is pulled off a bobbin 54, transferred to the cardboard pack 10, pressed against it and cut to a suitable length.
  • the cardboard pack 10 completed by attaching the adhesive strip 51 arrives at a control station 56 on the feed conveyor 11.
  • the cardboard pack 10 is checked for correct formation in the region of the bottom wall 19 and the top wall 20.
  • the cardboard pack 10 is raised, namely by (three) pressure strips 57, 58, 59, which grip the latter in the region of the lower horizontal edges 23, 24 and in the middle of the cardboard pack 10.
  • the pressure bars 57, 58, 59 are connected via upright webs 60 to a transverse support beam 61 which can be moved up and down by lifting rods 62.
  • the carton pack 10 is located (in the control station 56) on a cross conveyor 63, in the area of which the control station 56 is formed following the feed conveyor 11.
  • the cross conveyor 63 is designed as a roller conveyor with two conveyor sections 64 and 65. Correctly designed carton packs 10 leave the control station 56 via the conveyor section 64, that is to the left in FIG. 1. Incorrect packs are separated out via the conveyor section 65 to the right.
  • drive rollers 66 of the two conveying sections 64, 65 can be rotated in both directions by a common drive.
  • the drive rollers 66 each equipped with gear wheels 67, are connected to one another by a common chain drive 68.
  • each of the drive rollers 66 is provided with a sprocket 69 for a common drive chain 70 which includes all drive rollers 66.
  • a common drive 71 which has a reversible drive motor 72, is installed on the machine frame below the plane of the drive rollers 66.
  • the drive motor 71 connected to one of the drive rollers 66 causes the drive rollers to rotate in one direction or the other, depending on whether an intact carton pack 10 is to the left on the conveying section 64 or a defective carton pack 10 is to the right on the conveying section 65 in a processing tion station 73 is to be promoted.
  • the control station 56 is formed in the area of the cross conveyor 63 following the feed conveyor 11. To carry out the test, the carton packs 10 are lifted in the control station 56 by the pressure bars 57, 58, 59 from the drive rollers 66 of the cross conveyor 63 and brought to bear against elastic pressure members arranged above the carton pack 10. These are also arranged in the region of the (upper) horizontal edges 23.
  • the relatively narrow pressure bars 57..59 are each arranged between adjacent drive rollers 66 and can be lowered below the level of the cross conveyor 63.
  • the lifting rod 62 can be actuated by a lifting gear 74, which essentially consists of a crank mechanism 75.
  • the middle pressure bar 58 serves as an additional support member for the carton pack 10.
  • the counterpressure member which is mounted in a stationary manner above the carton packs 10, here consists of two lateral pressure beams 76, 77. These are supported on a part of the machine frame by means of support rods with compression springs 79, namely on a support plate 80 Pressure bar 76, 77 raised while increasing the contact pressure. As a result, pressure is exerted on the sideward walls (bottom wall 19, top wall 20) formed from the folding tabs, which leads to the opening of improperly bonded folding tabs.
  • Cardboard packs 10 which are formed incorrectly are identified in the control station 56 by optoelectric sensors.
  • photo sensors namely a transmitter 81
  • the vertical light barrier formed between them is formed closely, namely with a small distance, next to the sideways-facing walls (bottom wall 19, top wall 20) of the carton pack 10. Any protruding parts of these walls, in particular folding tabs and / or adhesive strips 51, are found. They lead to a sorting out of the relevant carton pack 10 into the processing station 73 by correspondingly driving the drive rollers 66.
  • the defective carton pack 10 rests on freely rotatable, but not driven, support rollers 83.
  • the defect in the carton pack 10 is eliminated manually here.
  • the corrected carton pack 10 is then returned in the conveying flow, namely in the event of a gap in the supply of correct carton packs 10 with a corresponding drive direction of the drive rollers 66.
  • the exact time of introduction of the repaired carton pack 10 into the conveying flow is determined by a stop 84 which holds the carton pack 10 resting on the drive rollers 66 in the raised position until the path for the carton pack 10 is clear is. the stop 84 is lowered by a pivot lever 85 so that the carton pack 10 can then be removed automatically.

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

Abstract

Large-volume carton packages are customarily constructed in such a way that two walls located opposite each other (bottom wall 19, top wall 20) are formed from folding flaps (15..18) overlapping one another. The folding flaps are joined together by bonding. Additionally, an adhesive strip (51) can be attached in the region of a separation joint (25) between the abutting outer flaps (17, 18). The joining-together of the folding flaps or the arrangement of the adhesive strip (51) can be defective. <??>For checking the carton package (10) with regard to correct construction, pressure is exerted on the walls formed from folding flaps (bottom wall 19, top wall 20) in such a way that any inadequate joining leads to the relevant wall springing open. The change in shape of the carton package (10) is detected by sensors, in particular by photosensors (87, 88). <??>Any defective packages are separated from the conveyed line, repaired and returned to the line once more. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zum Prüfen von Karton­Packungen in bezug auf korrekte Ausbildung von aus Faltlappen gebildeten, durch Klebung und/oder Klebestreifen fixierten (Bo­den- und/oder Deck-)Wandungen. Weiterhin betrifft die Erfindung eine Vorrichtung zur Durchführung des Verfahrens.The invention relates to a method for checking cardboard packs with regard to the correct formation of (bottom and / or top) walls formed from folding tabs and fixed by adhesive and / or adhesive strips. Furthermore, the invention relates to a device for performing the method.

Bei den hier angesprochenen Karton-Packungen handelt es sich in erster Linie um großvolumige Packungen aus Wellpappe oder dgl. Sie dienen überwiegend zur Aufnahme kleinerer Packungen. Bei­spielsweise werden Kleingebinde von Zigaretten-Packungen - so­genannte Zigaretten-Stangen mit z.B. zehn oder zwanzig Zigaret­ten-Packungen - in derartigen Karton-Packungen verpackt.The cardboard packs mentioned here are primarily large-volume packs made of corrugated cardboard or the like. They are mainly used to hold smaller packs. For example, small containers of cigarette packs - so-called cigarette sticks with e.g. ten or twenty cigarette packs - packed in such cardboard packs.

Zuschnitte zur Herstellung von Karton-Packungen werden übli­ cherweise zunächst so gefaltet, daß ein den Packungsinhalt umgebender, rechteckiger oder quadratischer "Schlauch" entsteht, der an zwei einander gegenüberliegenden Seiten offen ist. Diese offenen Seiten werden anschließend durch einander teilweise überdeckende Faltlappen verschlossen, nämlich zwei gegenüberliegende und sich ergänzende Innen­lappen und zwei einander ebenfalls gegenüberliegende und sich ergänzende Außenlappen. Durch die Faltlappen entste­hen so Bodenwandung und Deckwandung.Cuts for the production of carton packs are common Ch folded first so that a rectangular or square "tube" surrounding the package is formed, which is open on two opposite sides. These open sides are then closed by partially overlapping folding tabs, namely two opposite and complementary inner tabs and two mutually opposite and complementary outer tabs. The folding flaps create the bottom wall and top wall.

Um die Karton-Packung haltbar zu verschließen, werden die Faltlappen durch Verklebung miteinander verbunden. Zu die­sem Zweck werden auf die Innenlappen und/oder auf die In­nenseite der Außenlappen Leimflächen aufgetragen. Zusätz­lich oder alternativ kann die Karton-Packung durch einen außen aufgebrachten Klebestreifen verschlossen sein.In order to close the carton pack in a durable manner, the folding tabs are connected to each other by gluing. For this purpose, glue surfaces are applied to the inner lobes and / or to the inside of the outer lobes. Additionally or alternatively, the carton pack can be closed by an adhesive strip applied on the outside.

Die Erfindung befaßt sich mit der Prüfung des Verschlusses derartiger oder ähnlicher Karton-Packungen.The invention is concerned with the testing of the closure of such or similar carton packs.

Die der Erfindung zugrundeliegende Aufgabe besteht darin, etwaige Fehler im Bereich des Verschlusses, nämlich im Be­reich der aus den Faltlappen gebildeten Wandungen, zuver­lässig zu ermitteln.The object on which the invention is based is to reliably determine any errors in the area of the closure, namely in the area of the walls formed from the folding tabs.

Zur Lösung dieser Aufgabe ist das erfindungsgemäße Verfah­ren dadurch gekennzeichnet, daß unmittelbar nach Fertig­stellung der Wandungen durch Falten der Faltlappen auf diese im Bereich von angrenzenden Kartonkanten Druck aus­geübt wird, derart, daß die Faltlappen von nicht korrekt ausgebildeten Wandungen aus der Wandebene herausbewegt werden.To achieve this object, the method according to the invention is characterized in that, immediately after completion of the walls, pressure is exerted on them in the region of adjacent cardboard edges by folding the folding tabs in such a way that the folding tabs are moved out of the wall plane by incorrectly formed walls.

Durch die erfindungsgemäße Druckbehandlung der miteinander verklebten bzw. miteinander verbundenen Faltlappen wird sichergestellt, daß auch solche fehlerhaften Karton-Pak­kungen identifiziert werden, bei denen die Verbindung der Faltlappen nach außen scheinbar korrekt ist. Durch die Druckbelastung in der Ebene der durch die Faltlappen ge­bildeten Wandungen wird sichergestellt, daß unzulängliche (Klebe-)Verbindungen zu einem Aufspringen der Faltlappen und damit zu einem Feststellen der Fehl-Packung führt.The pressure treatment according to the invention of the folding tabs glued or connected to one another ensures that faulty carton packs are also identified in which the connection of the Folding flap to the outside is apparently correct. The pressure load in the plane of the walls formed by the folding tabs ensures that inadequate (adhesive) connections lead to the opening of the folding tabs and thus to the incorrect packing being determined.

Durch die bei fehlerhaften Karton-Packungen zur Seite (in bezug auf die Förderrichtung der Karton-Packungen) vorste­hende Faltlappen können diese erfindungsgemäß durch Senso­ren, insbesondere durch optische Sensoren (Lichtschran­ken), selbsttätig erkannt und ausgesondert werden.Due to the folding flaps protruding to the side in the case of defective carton packs (in relation to the conveying direction of the carton packs), these can be automatically recognized and separated according to the invention by sensors, in particular by optical sensors (light barriers).

Es ist vorgesehen, daß die Fehl-Packungen aus dem Förder­fluß der Karton-Packungen ausgeschleust werden in den Be­reich einer Korrekturstation. Hier werden die Mängel an der Karton-Packung manuell beseitigt. Die korrekte Packung wird sodann in den Packungsfluß wieder eingeführt.It is envisaged that the incorrect packs are discharged from the conveying flow of the cardboard packs into the area of a correction station. The defects in the carton pack are manually eliminated here. The correct package is then reintroduced into the package flow.

Die erfindungsgemäße Vorrichtung zum Prüfen von Karton-­Packungen ist im Anschluß an eine Beleimungs- und Faltsta­tion mit einer Prüfstation ausgerüstet, in der die Karton-­Packungen mit Druckorganen beaufschlagt werden, die einen Druck in der Ebene der durch die Faltlappen gebildeten Wandungen erzeugen. Karton-Packungen mit intakten Wandun­gen halten dem Druck stand.The device according to the invention for testing cardboard packs is equipped, following a gluing and folding station, with a test station in which the cardboard packs are acted upon by pressure members which generate pressure in the plane of the walls formed by the folding tabs. Cardboard packs with intact walls withstand the pressure.

Etwaige Fehl-Packungen werden im Bereich einer Prüfstation erkannt und fördertechnisch ausgesondert. Zu diesem Zweck erstrecken sich Lichtschranken in einer Ebene parallel zu den aus Faltlappen gebildeten Wandungen, insbesondere in vertikaler Ebene. Etwa zur Seite vorstehende Faltlappen oder auch Klebestreifen - bei unkorrekt angebrachtem Kle­bestreifen - werden so erkannt.Any incorrect packs are identified in the area of a test station and sorted out in terms of conveyor technology. For this purpose, light barriers extend in a plane parallel to the walls formed from folding tabs, in particular in a vertical plane. In this way, folding tabs that protrude to the side or adhesive strips - if the adhesive strips are incorrectly attached - are recognized.

Der Klebestreifen wird zweckmäßigerweise durch ein ent­sprechendes Auftragsorgan im Anschluß an die Prüfstation aufgebracht, jedoch in Förderrichtung vor der Kontrollsta­ tion. Im Bereich der Kontrollstation werden auch eventuell fehlerhaft angebrachte bzw. nicht ausreichend haftende Klebestreifen identifiziert.The adhesive strip is expediently applied by a corresponding application element following the test station, but in the conveying direction in front of the control station tion. In the area of the control station, possibly incorrectly applied or insufficiently adhesive adhesive strips are identified.

Weitere Merkmale der Erfindung betreffen die Ausbildung von Organen im Bereich der Prüfstation und im Bereich der Kontrollstation sowie Maßnahmen zum Aussondern und Wie­dereinführen von Fehl-Packungen bzw. korrigierten Karton-­Packungen.Further features of the invention relate to the formation of organs in the area of the test station and in the area of the control station as well as measures for separating out and reinserting incorrect packs or corrected cardboard packs.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen näher erläutert. Es zeigt:

  • Fig. 1 eine Vorrichtung zum Prüfen von Karton-Packungen im schematischen Grundriß,
  • Fig. 2 einen Ausschnitt aus Fig. 1 in vergrößertem Maß­stab,
  • Fig. 3 eine Seitenansicht zu Fig. 1,
  • Fig. 4 eine Vorderansicht zu Fig. 1,
  • Fig. 5 eine Einzelheit, nämlich eine Queransicht der Vor­richtung im Bereich einer Beleimungs- und Faltsta­tion,
  • Fig. 6 eine Darstellung analog zu Fig. 4 im Bereich einer Prüfstation für die Karton-Packungen,
  • Fig. 7 eine Darstellung analog zu Fig. 4 und Fig. 5 im Bereich einer Kontrollstation für die geprüften Karton-Packungen.
An embodiment of the invention is explained below with reference to the drawings. It shows:
  • 1 shows a device for testing cardboard packs in a schematic plan view,
  • 2 shows a detail from FIG. 1 on an enlarged scale,
  • 3 is a side view of FIG. 1,
  • 4 is a front view of FIG. 1,
  • 5 shows a detail, namely a transverse view of the device in the area of a gluing and folding station,
  • 6 shows an illustration analogous to FIG. 4 in the area of a test station for the carton packs,
  • FIG. 7 shows an illustration analogous to FIG. 4 and FIG. 5 in the area of a control station for the checked carton packs.

Das in den Zeichnungen dargestellte Ausführungsbeispiel befaßt sich mit der Herstellung von Karton-Packungen 10 für die Aufnahme von beispielweise Zigaretten-Stangen. Die Karton-Packungen 10 werden auf einer Zuförderbahn 11 (taktweise) transportiert. Die Zuförderbahn 11 besteht hier aus zwei im Abstand voneinder angeordneten Tragstan­gen 12, 13, auf denen die Karton-Packung 10 aufliegt und gleitend weiterbewegt wird. Der Transport erfolgt durch rückseitig angreifende Mitnehmer 14 eines (Ketten-)Förde­rers.The embodiment shown in the drawings is concerned with the production of cardboard packs 10 for holding, for example, cigarette sticks. The Carton packs 10 are transported on a feed conveyor 11 (in cycles). The feed conveyor 11 here consists of two spaced apart support rods 12, 13, on which the carton pack 10 rests and is slid on. The transport is carried out by drivers 14 of a (chain) conveyor acting on the rear.

Die Karton-Packung 10 besteht aus einem Zuschnitt, z.B. aus Wellkarton, der den Packungsinhalt umgibt. An beiden Seiten - aufrechte Seitenflächen parallel zur Förderrich­tung - ist die Karton-Packung 10 zunächst offen. Der Zu­schnitt weist aufeinanderfaltbare Faltlappen auf, nämlich Innenlappen 15, 16 und Außenlappen 17, 18. Die vorgenann­ten Faltlappen 15..18 werden zur Bildung von beispielweise Boden-Wandung 19 und Deck-Wandung 20 übereinander gefal­tet. Dabei gehen die Innenlappen 15, 16 von einander ge­genüberliegenden Vertikalkanten 21, 22 aus, während die Außenlappen 17, 18 über obere und untere Horizontalkanten 23, 24 in anschließende Wandungen der Karton-Packung 10 übergehen.The carton pack 10 consists of a blank, e.g. made of corrugated cardboard that surrounds the contents of the pack. The carton pack 10 is initially open on both sides - upright side surfaces parallel to the conveying direction. The blank has folding flaps which can be folded onto one another, namely inner flaps 15, 16 and outer flaps 17, 18. The aforementioned folding flaps 15. 18 are folded over one another to form, for example, bottom wall 19 and top wall 20. The inner tabs 15, 16 proceed from mutually opposite vertical edges 21, 22, while the outer tabs 17, 18 merge into upper walls of the cardboard pack 10 via upper and lower horizontal edges 23, 24.

Die Außenlappen 17, 18 sind bei dem vorliegenden Beispiel einer Karton-Packung 10 so bemessen, daß sie zusammen die Boden-Wandung 19 bzw die Deck-Wandung 20 vollständig überdecken und im Bereich einer Trennfuge 25 aneinander­stoßen. Diese ist hier mittig angeordnet.The outer tabs 17, 18 in the present example of a carton pack 10 are dimensioned such that they completely cover the bottom wall 19 or the top wall 20 and abut one another in the region of a parting line 25. This is arranged in the middle.

Die Karton-Packungen 10 werden außerhalb der hier gezeig­ten Aggregate gefüllt und im Bereich von Boden-Wandung 19 sowie Deck-Wandung 20 teilweise gefaltet, nämlich in bezug auf die Innenlappen 15, 16. Diese sind bereits in die End­stellung gefaltet, wenn die Karton-Packung 10 in den Be­reich einer Beleimungsstation 26 gelangt. Die Außenlappen 17, 18 sind hier vorgefaltet, so daß sie sich in einer Schrägstellung befinden (Fig. 5). Bei dieser Relativstel­lung der Außenlappen 17, 18 kann die Karton-Packung 10 an beidseitig zur Zuförderbahn 11 angeordneten Leimorganen 27, 28 vorbeibewegt werden, derart, daß entsprechend ge­staltete Düsenköpfe 29 sich benachbart zur Innenseite der schräggerichteten Außenlappen 17, 18 erstrecken (Fig. 5). In dieser Position können in zwei aufeinanderfolgenden Sprühtakten Leimstreifen 30, 31 (hot-melt) auf die Innen­lappen 15, 16 aufgesprüht werden.The carton packs 10 are filled outside the aggregates shown here and partially folded in the area of the bottom wall 19 and the top wall 20, namely with respect to the inner tabs 15, 16. These are already folded into the end position when the carton Pack 10 reaches the area of a gluing station 26. The outer tabs 17, 18 are pre-folded here so that they are in an inclined position (Fig. 5). With this relative position of the outer tabs 17, 18, the carton pack 10 can glue members 27, 28 arranged on both sides of the feed conveyor 11 are moved past such that appropriately designed nozzle heads 29 extend adjacent to the inside of the oblique outer tabs 17, 18 (FIG. 5). In this position, glue strips 30, 31 (hot-melt) can be sprayed onto the inner tabs 15, 16 in two successive spray cycles.

Auf die Beleimungsstation 26 folgt in Förderrichtung eine Faltstation 32. In dieser werden zwei Maßnahmen im Bereich der Faltlappen vorgenommen. Zum einen werden die Außenlap­pen 17, 18 an die Innenlappen 15, 16 gedrückt, also in Endstellung gefaltet. Zum anderen werden die Außenlappen 17, 18 nach diesem Faltschritt in bezug auf die Relativ­stellung korrigiert bzw. ausgerichtet, derart, daß die Au­ßenlappen 17, 18 im Bereich der Trennfuge 25 aneinander­stoßen.A folding station 32 follows the gluing station 26 in the conveying direction. Two measures are carried out in this in the area of the folding tabs. Firstly, the outer tabs 17, 18 are pressed against the inner tabs 15, 16, that is to say folded in the end position. On the other hand, the outer tabs 17, 18 are corrected or aligned with respect to the relative position after this folding step in such a way that the outer tabs 17, 18 abut each other in the region of the parting line 25.

Für den ersten Schritt sind seitlich neben der Zuförder­bahn 11 Faltorgane angeordnet, die in Querrichtung gegen die Karton-Packung 10 bewegbar sind. Bei dem vorliegenden Ausführungsbeispiel handelt es sich dabei um Rollenfalter 33, 34 zu beiden Seiten der Zuförderbahn 11. Jeder Rollen­falter 33, 34 besteht aus einem U-förmigen Traggestell 35 mit horizontal gerichteten Flanschen 36. Innerhalb des Traggestells 35, nämlich zwischen den oberen und unteren Flanschen 36, ist eine größere Anzahl von frei drehbaren Andrückrollen 37 mit aufrechter Drehachse angeordnet. Die so ausgebildeten Rollenfalter 33, 34 werden aus einer zu­rückgezogenen Stellung (Fig. 5) in eine Faltstellung (Fig. 6, links) unter Anlage an den an die Innenlappen 15, 16 gedrückten Außenlappen 17, 18 bewegt. Die Rollenfalter 33, 34 können in dieser Falt- bzw. Andrückposition verharren, wenn die Karton-Packung 10 nach Durchführung der vorgese­hen Maßnahmen aus der Faltstation 32 heraus weitergeför­dert wird.For the first step 11 folding elements are arranged laterally next to the feed conveyor, which can be moved in the transverse direction against the carton pack 10. In the present exemplary embodiment, these are roller folders 33, 34 on both sides of the feed path 11. Each roller folder 33, 34 consists of a U-shaped support frame 35 with horizontally directed flanges 36. Inside the support frame 35, namely between the upper and lower Flanges 36, a larger number of freely rotatable pressure rollers 37 is arranged with an upright axis of rotation. The roller folders 33, 34 formed in this way are moved from a retracted position (FIG. 5) to a folded position (FIG. 6, left), bearing against the outer tabs 17, 18 pressed against the inner tabs 15, 16. The roller folder 33, 34 can remain in this folding or pressing position if the carton pack 10 is conveyed further out of the folding station 32 after the measures provided have been carried out.

Zum Ausrichten der Außenlappen 17, 18 derart, daß sie im Bereich der Trennfuge 25 mit den freien Kanten aneinander­liegen, wird auf die Außenlappen 17, 18 ein gegenläufig gerichteter Druck ausgeübt. Wie insbesondere in Fig. 6 ge­zeigt, werden die Karton-Packungen 10 durch Huborgane an­gehoben gegen ein oberes Widerlager. Dadurch werden die Außenlappen 17, 18 unter Überwindung eines eventuellen Spalts 38 bis zur Anlage aneinander verschoben. Die Rol­lenfalter 33, 34 können bei diesem Korrekturvorgang einen geringen Abstand von den Außenlappen 17, 18 aufweisen, wie in Fig. 6 rechts dargestellt.In order to align the outer tabs 17, 18 in such a way that they rest against one another with the free edges in the region of the parting line 25, an oppositely directed pressure is exerted on the outer tabs 17, 18. As shown in particular in Fig. 6, the carton packs 10 are raised by lifting members against an upper abutment. As a result, the outer lobes 17, 18 are moved to one another while overcoming a possible gap 38 until they come into contact. The roller folders 33, 34 can be at a short distance from the outer tabs 17, 18 during this correction process, as shown on the right in FIG. 6.

Zur Ausübung des Korrekturdrucks auf die Außenlappen 17, 18 wirken die Druckorgane im Bereich der oberen und unte­ren Horizontalkanten 23 und 24. Untere Hubleisten 39, 40 werden um eine Achse parallel zur Förderrichtung ver­schwenkt, derart, daß Nasen 41 unter die (unteren) Hori­zontalkanten 24 drücken und die Karton-Packung 10 von den Tragstangen 12, 13 abheben.To exert the correction pressure on the outer tabs 17, 18, the pressure members act in the area of the upper and lower horizontal edges 23 and 24. Lower lifting bars 39, 40 are pivoted about an axis parallel to the conveying direction, in such a way that lugs 41 under the (lower) horizontal edges 24 Press and lift the carton pack 10 from the support rods 12, 13.

An der gegenüberliegenden, oberen Seite sind als Widerla­ger elastisch gelagerte, nämlich nach oben bewegbare Druckrollen 42 jeweils in einem Gegenhalter 43, 44 ange­ordnet. Die Gegenhalter 43, 44 sind oberhalb der Bewe­gungsbahn der Karton-Packungen 10 derart seitlich angeord­net, daß eine Mehrzahl von Druckrollen 42 jeder oberen Ho­rizontalkante 23 anliegen.On the opposite, upper side, elastically mounted, namely upwardly movable pressure rollers 42 are each arranged in a counter-holder 43, 44 as an abutment. The counterholders 43, 44 are arranged laterally above the movement path of the carton packs 10 in such a way that a plurality of pressure rollers 42 abut each upper horizontal edge 23.

Die Druckrollen 42 können gegen die Belastung einer Druck­feder 45 nach oben bewegt werden bzw. ausweichen. Zu die­sem Zweck sind die Druckrollen 42 eines Gegenhalters 43 an einem langgestreckten Träger 46 angeordnet, der an einer oberhalb der Bewegungsbahn der Karton-Packungen 10 sich erstreckenden Traverse 47 schwenkbar gelagert ist. Der Träger 46 ist zu diesem Zweck mit einem Ansatz 48 verse­hen, der mit einem Gelenk 49 an der Traverse 47 angebracht ist. Die Druckfedern 45 stützen sich mit dem oberen Ende ebenfalls an der entsprechend bemessenen Traverse 47 ab.The pressure rollers 42 can be moved against the load of a compression spring 45 or dodge. For this purpose, the pressure rollers 42 of a counter-holder 43 are arranged on an elongated carrier 46 which is pivotably mounted on a crossbar 47 which extends above the movement path of the carton packs 10. For this purpose, the carrier 46 is provided with a shoulder 48 which is attached to the crossbar 47 with a joint 49. The compression springs 45 are supported with the upper end also from the appropriately dimensioned crossbar 47.

Der weiter oben beschriebene Faltvorgang mit Hilfe der Rollenfalter 33, 34 und/oder das Ausrichten der Außenlap­pen 17, 18 bis zur Anlage der freien Kanten aneinander können während des Transports der Karton-Packungen 10 ganz oder teilweise durchgeführt werden. Dies ist durch die Ausbildung der Bearbeitungsorgane mit Rollen bzw. Walzen möglich.The folding process described above with the aid of the roller folder 33, 34 and / or the alignment of the outer tabs 17, 18 until the free edges abut against one another can be carried out in whole or in part during the transport of the carton packs 10. This is possible by designing the processing elements with rollers or rollers.

Die fertiggefalteten Karton-Packungen 10 gelangen durch Weitertransport auf der Zuförderbahn 11 in den Bereich einer Tapestation 50. Hier wird während des Transports der Karton-Packung 10 ein Klebestreifen 51 an den Seitenflä­chen aufgebracht, also auf Boden-Wandung 19 und/oder Deck-­Wandung 20. Der Klebestreifen 51 wird so angebracht, daß die Trennfuge 25 zwischen den beiden Außenlappen 17, 18 überdeckt ist.The fully folded cardboard packs 10 arrive in the area of a tape station 50 by further transport on the feed conveyor 11. Here, during the transport of the cardboard pack 10, an adhesive strip 51 is applied to the side surfaces, that is to say to the bottom wall 19 and / or top wall 20. The adhesive strip 51 is attached so that the parting line 25 between the two outer tabs 17, 18 is covered.

Der Klebestreifen 51 wird durch zu beiden Seiten der Zu­förderbahn angeordnete Bandaggregate 52, 53 herkömmlicher Bauart aufgetragen. Von einer Bobine 54 wird ein mit einem Kleber versehenes Band 55 abgezogen, auf die Karton-Pak­kung 10 übertragen, an diese angedrückt und in passender Länge abgeschnitten.The adhesive strip 51 is applied by means of tape units 52, 53 of conventional design arranged on both sides of the feed conveyor track. A tape 55 provided with an adhesive is pulled off a bobbin 54, transferred to the cardboard pack 10, pressed against it and cut to a suitable length.

Die durch Anbringen des Klebestreifens 51 komplettierte Karton-Packung 10 gelangt auf der Zuförderbahn 11 in eine Kontrollstation 56. Hier wird die Karton-Packung 10 in be­zug auf korrekte Ausbildung im Bereich von Boden-Wandung 19 und Deck-Wandung 20 überprüft.The cardboard pack 10 completed by attaching the adhesive strip 51 arrives at a control station 56 on the feed conveyor 11. Here, the cardboard pack 10 is checked for correct formation in the region of the bottom wall 19 and the top wall 20.

Zu diesem Zweck wird im Bereich der oberen und unteren Horizontalkanten 23, 24 Druck auf Boden-Wandung 19 und Deck-Wandung 20 ausgeübt. Unzulängliche Verklebungen der Faltlappen führen zu einem Verschwenken derselben nach außen (Fig. 6, rechts), so daß eine Fehl-Packung nach außen erkennbar ist.For this purpose, pressure is exerted on the bottom wall 19 and the top wall 20 in the region of the upper and lower horizontal edges 23, 24. Inadequate gluing of the folding tabs causes them to pivot outward (FIG. 6, right), so that incorrect packing occurs is recognizable from the outside.

Zur Durchführung dieser Druckbelastung wird die Karton-­Packung 10 angehoben, und zwar durch (drei) Druckleisten 57, 58, 59, die im Bereich der unteren Horizontalkanten 23, 24 sowie in der Mitte der Karton-Packung 10 diese erfassen. Die Druckleisten 57, 58, 59 sind über aufrechte Stege 60 mit einem quergerichteten Tragbalken 61 verbun­den, der durch Hubstangen 62 auf- und abbewegbar ist.To carry out this pressure loading, the cardboard pack 10 is raised, namely by (three) pressure strips 57, 58, 59, which grip the latter in the region of the lower horizontal edges 23, 24 and in the middle of the cardboard pack 10. The pressure bars 57, 58, 59 are connected via upright webs 60 to a transverse support beam 61 which can be moved up and down by lifting rods 62.

Die Karton-Packung 10 befindet sich während dieser Phase (in der Kontrollstation 56) auf einen Querförderer 63, in dessen Bereich die Kontrollstation 56 im Anschluß an die Zuförderbahn 11 gebildet ist. Der Querförderer 63 ist als Rollenbahn ausgebildet mit zwei Förderabschnitten 64 und 65. Korrekt ausgebildete Karton-Packungen 10 verlassen die Kontrollstation 56 über den Förderabschnitt 64, also nach links in Fig. 1. Fehl-Packungen werden über den Förderab­schnitt 65 nach rechts ausgesondert.During this phase, the carton pack 10 is located (in the control station 56) on a cross conveyor 63, in the area of which the control station 56 is formed following the feed conveyor 11. The cross conveyor 63 is designed as a roller conveyor with two conveyor sections 64 and 65. Correctly designed carton packs 10 leave the control station 56 via the conveyor section 64, that is to the left in FIG. 1. Incorrect packs are separated out via the conveyor section 65 to the right.

Zur Durchführung dieser Förderbewegungen sind Antriebsrol­len 66 der beiden Förderabschnitte 64, 65 durch einen ge­meinsamen Antrieb in beiden Richtungen drehend bewegbar. Zu diesem Zweck sind die jeweils mit Zahnrädern 67 ausge­rüsteten Antriebsrollen 66 durch einen gemeinsamen Ketten­trieb 68 getrieblich miteinander verbunden. Zu diesem Zweck ist jede der Antriebsrollen 66 mit einem Kettenrad 69 für eine alle Antriebsrollen 66 erfassende gemeinsame Antriebskette 70 versehen. Unterhalb der Ebene der An­triebsrollen 66 ist am Maschinengestell ein gemeinsamer Antrieb 71 installiert, der einen reversiblen Antriebsmo­tor 72 aufweist. Der mit einer der Antriebsrollen 66 ver­bundene Antriebsmotor 71 bewirkt eine Drehung der An­triebsrollen in der einen oder anderen Richtung, je nach­dem, ob eine intakte Karton-Packung 10 nach links auf den Förderabschnitt 64 oder eine fehlerhafte Karton-Packung 10 nach rechts auf den Förderabschnitt 65 in eine Bearbei­ tungsstation 73 zu fördern ist.To carry out these conveying movements, drive rollers 66 of the two conveying sections 64, 65 can be rotated in both directions by a common drive. For this purpose, the drive rollers 66, each equipped with gear wheels 67, are connected to one another by a common chain drive 68. For this purpose, each of the drive rollers 66 is provided with a sprocket 69 for a common drive chain 70 which includes all drive rollers 66. A common drive 71, which has a reversible drive motor 72, is installed on the machine frame below the plane of the drive rollers 66. The drive motor 71 connected to one of the drive rollers 66 causes the drive rollers to rotate in one direction or the other, depending on whether an intact carton pack 10 is to the left on the conveying section 64 or a defective carton pack 10 is to the right on the conveying section 65 in a processing tion station 73 is to be promoted.

Die Kontrollstation 56 ist im Bereich des Querförderers 63 im Anschluß an die Zuförderbahn 11 gebildet. Zur Durchfüh­rung der Prüfung werden die Karton-Packungen 10 in der Kontrollstation 56 durch die Druckleisten 57, 58, 59 von den Antriebsrollen 66 des Querförderers 63 abgehoben und gegen oberhalb der Karton-Packung 10 angeordnete, elasti­sche Druckorgane zur Anlage gebracht. Diese sind ebenfalls im Bereich der (oberen) Horizontalkanten 23 angeordnet. Die verhältnismäßig schmalen Druckleisten 57..59 sind je­weils zwischen benachbarten Antriebsrollen 66 angeordnet und können unter die Ebene des Querförderers 63 abgesenkt werden. Die Hubstange 62 ist zu diesen Zweck durch ein Hubgetriebe 74 betätigbar, welches im wesentlichen aus ei­nem Kurbeltrieb 75 besteht. Die mittlere Druckleiste 58 dient als zusätzliches Stützorgan für die Karton-Packung 10.The control station 56 is formed in the area of the cross conveyor 63 following the feed conveyor 11. To carry out the test, the carton packs 10 are lifted in the control station 56 by the pressure bars 57, 58, 59 from the drive rollers 66 of the cross conveyor 63 and brought to bear against elastic pressure members arranged above the carton pack 10. These are also arranged in the region of the (upper) horizontal edges 23. The relatively narrow pressure bars 57..59 are each arranged between adjacent drive rollers 66 and can be lowered below the level of the cross conveyor 63. For this purpose, the lifting rod 62 can be actuated by a lifting gear 74, which essentially consists of a crank mechanism 75. The middle pressure bar 58 serves as an additional support member for the carton pack 10.

Das oberhalb der Karton-Packungen 10 ortsfest gelagerte Gegendruckorgan besteht hier aus zwei seitlichen Druckbal­ken 76, 77. Diese sind über Tragstäbe mit Druckfedern 79 an einem Teil des Maschinengestells gelagert, nämlich an einer Tragplatte 80. Bei der Aufwärtsbewegung der Karton-­Packung 10 werden die Druckbalken 76, 77 unter Erhöhung des Anpreßdrucks angehoben. Dadurch wird auf die aus den Faltlappen gebildeten, seitwärts gerichteten Wandungen (Boden-Wandung 19, Deck-Wandung 20) Druck ausgeübt, der zu einem Aufspringen von nicht ordnungsgemäß verklebten Falt­lappen führt.The counterpressure member, which is mounted in a stationary manner above the carton packs 10, here consists of two lateral pressure beams 76, 77. These are supported on a part of the machine frame by means of support rods with compression springs 79, namely on a support plate 80 Pressure bar 76, 77 raised while increasing the contact pressure. As a result, pressure is exerted on the sideward walls (bottom wall 19, top wall 20) formed from the folding tabs, which leads to the opening of improperly bonded folding tabs.

Fehlerhaft ausgebildete Karton-Packungen 10 werden in der Kontrollstation 56 durch optoelektrische Sensoren identi­fiziert. Bei dem vorliegenden Ausführungsbeispiel sind im Eingangsbereich der Kontrollstation 56 zu beiden Seiten der Bewegungsbahn der Karton-Packungen 10 jeweils Photo­sensoren übereinander angeordnet, nämlich ein Sender 81 und ein Empfänger 82. Die zwischen diesen gebildete verti­kale Lichtschranke wird eng, nämlich mit geringem Abstand, neben den seitwärts gerichteten Wandungen (Boden-Wandung 19, Deck-Wandung 20) der Karton-Packung 10 gebildet. Etwa vorstehende Teile dieser Wandungen, insbesondere Faltlap­pen und/oder Klebestreifen 51, werden festgestellt. Sie führen zu einer Aussonderung der betreffenden Karton-Pak­kung 10 in die Bearbeitungsstation 73 durch entsprechenden Antrieb der Antriebsrollen 66.Cardboard packs 10 which are formed incorrectly are identified in the control station 56 by optoelectric sensors. In the present exemplary embodiment, photo sensors, namely a transmitter 81, are arranged one above the other in the entrance area of the control station 56 on both sides of the movement path of the carton packs 10 and a receiver 82. The vertical light barrier formed between them is formed closely, namely with a small distance, next to the sideways-facing walls (bottom wall 19, top wall 20) of the carton pack 10. Any protruding parts of these walls, in particular folding tabs and / or adhesive strips 51, are found. They lead to a sorting out of the relevant carton pack 10 into the processing station 73 by correspondingly driving the drive rollers 66.

In der Bearbeitungsstation 73 ruht die fehlerhafte Karton-­Packung 10 auf frei drehbaren, jedoch nicht angetriebenen Tragrollen 83. Der Fehler an der Karton-Packung 10 wird hier manuell beseitigt. Danach wird die korrigierte Kar­ton-Packung 10 in der Förderfluß zurückgegeben, nämlich bei einer etwaigen Lücke der Zuförderung korrekter Karton-­Packungen 10 bei entsprechender Antriebsrichtung der An­triebsrollen 66.In the processing station 73, the defective carton pack 10 rests on freely rotatable, but not driven, support rollers 83. The defect in the carton pack 10 is eliminated manually here. The corrected carton pack 10 is then returned in the conveying flow, namely in the event of a gap in the supply of correct carton packs 10 with a corresponding drive direction of the drive rollers 66.

Der genauer Zeitpunkt der Einführung der reparierten Kar­ton-Packung 10 in den Förderfluß wird durch einen Anschlag 84 bestimmt, der die auf den Antriebsrollen 66 aufliegende Karton-Packung 10 in der angehobenen Position so lange zu­rückhält, bis der Weg für die Karton-Packung 10 frei ist. der Anschlag 84 wird durch einen Schwenkhebel 85 abge­senkt, so daß dann die Karton-Packung 10 selbststätig ab­gefördert werden kann.The exact time of introduction of the repaired carton pack 10 into the conveying flow is determined by a stop 84 which holds the carton pack 10 resting on the drive rollers 66 in the raised position until the path for the carton pack 10 is clear is. the stop 84 is lowered by a pivot lever 85 so that the carton pack 10 can then be removed automatically.

Claims (14)

1. Verfahren zum Prüfen von Karton-Packungen in bezug auf kor­rekte Ausbildung von aus Faltlappen gebildeten, durch Klebung und/oder Klebestreifen fixierten (Boden- und/oder Deck-)Wandun­gen, dadurch gekennzeichnet, daß un­mittelbar nach Fertigstellung der Wandungen (Boden-Wandung 19, Deck-Wandung 20) durch Falten der Faltlappen (Innenlappen 15, 16; Außenlappen 17, 18) auf diese im Bereich von angrenzenden Kartonkanten Druck ausgeübt wird, derart, daß die Faltlappen von nicht korrekt ausgebildeten Wandungen aus der Wandebene herausbewegt werden1. A method for checking cardboard packs in relation to the correct formation of formed from folding flaps, fixed by adhesive and / or adhesive strips (bottom and / or top) walls, characterized in that immediately after completion of the walls (bottom wall 19, top wall 20) by folding the folding flaps (inner flaps 15, 16; outer flaps 17, 18) on them in the area of adjacent cardboard edges, such that the folding flaps are moved out of the wall plane by incorrectly designed walls 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Karton-Packungen (10) in einer Kontrollstation (56) durch Hub­ organe (Druckleisten 57, 58, 59) angehoben und gegen obere Anschläge gedrückt werden, derart, daß in den zu prüfenden Wandungen ein Druck in der Wandungsebene erzeugt wird.2. The method according to claim 1, characterized in that the carton packs (10) in a control station (56) by stroke organs (pressure bars 57, 58, 59) are raised and pressed against upper stops, such that a pressure is generated in the wall plane in the walls to be tested. 3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeich­net, daß fehlerhafte Karton-Packungen (10) aus dem Förder­fluß ausgesondert und im Bereich einer Bearbeitungsstation (73) (manuell) bearbeitet und nach Beseitigung des Fehlers in den Förderstrom wieder eingeführt werden.3. The method according to claim 1 or 2, characterized in that defective carton packs (10) are separated from the conveying flow and processed (manually) in the region of a processing station (73) and are reintroduced into the conveying stream after the fault has been eliminated. 4. Verfahren nach Anspruch 1 sowie einem oder mehreren der weiteren Ansprüche, dadurch gekennzeichnet, daß etwa­ige Fehler im Bereich der überprüften Wandungen durch pho­toelektrische Sensoren (Lichtschranken) festgestellt wer­den, vorzugsweise durch eine aufrechte Lichtschranke (Sen­der 81, Empfänger 82) im Eingangsbereich der Kontrollsta­tion (56).4. The method according to claim 1 and one or more of the further claims, characterized in that any errors in the region of the walls checked by photoelectric sensors (light barriers) are detected, preferably by an upright light barrier (transmitter 81, receiver 82) in the entrance area of the control station (56). 5. Verfahren nach Anspruch 1 sowie einem oder mehreren der weiteren Ansprüche dadurch gekennzeichnet, daß die in bezug auf die Förderrichtung der Karton-Packungen (10) seitwärts gerichteten Faltlappen (15..18) nach Aufbringen eines Klebers und Falten der Faltlappen in die Ebene der Wandungen in bezug auf die Relativlage korrigiert werden, insbesondere die Außenlappen (17, 18) hinsichtlich einer Anlage von einander zugekehrten, (horizontal) gerichteten Kanten im Bereich einer Trennfuge (25) durch Druckbela­stung auf die Wandungen (19, 20) bzw. Außenlappen (17, 18) quer zur Trennfuge (25).5. The method according to claim 1 and one or more of the further claims, characterized in that the folding tabs (15..18) directed sideways in relation to the conveying direction of the cardboard packs (10) after application of an adhesive and folding of the folding tabs in the plane of the walls with respect to the relative position are corrected, in particular the outer lobes (17, 18) with respect to an arrangement of mutually facing, (horizontally) directed edges in the region of a parting line (25) by pressure load on the walls (19, 20) or outer lobes (17, 18) transverse to the parting line (25). 6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß die Karton-Packungen (10) im Bereich einer auf eine Belei­mungsstation (26) folgenden Faltstation (32) durch Anheben gegen obere, in der Ebene der seitwärts gerichteten Wan­dungen (18, 19) angeordnete Druckorgane (Gegenhalter 43, 44) gedrückt werden.6. The method according to claim 5, characterized in that the cardboard packs (10) in the area of a gluing station (26) following folding station (32) by lifting against the upper, in the plane of the sideward walls (18, 19) arranged Pressure elements (counterhold 43, 44) are pressed. 7. Vorrichtung zum Prüfen von Karton-Packungen in bezug auf korrekte Ausbildung von aus Faltlappen gebildeten, durch Klebung und/oder Klebestreifen fixierten (Boden-­und/oder Deck-)Wandungen, wobei die gefüllten Karton-­Packungen (10) eine Beleimungsstation (26) und danach eine Faltstation (32) durchlaufen, dadurch ge­kennzeichnet, daß die Karton-Packungen (10) in einer nachfolgenden Kontrollstation (56) zur Überprü­fung der korrekten Ausbildung durch Druckorgane beauf­schlagt werden, die in der Ebene von zu prüfenden Wandun­gen der Karton-Packung (10), insbesondere von Boden-Wan­dung (19) und Deck-Wandung (20), Druck erzeugen.7. Device for checking cardboard packs with regard to the correct formation of (bottom and / or cover) walls formed from folding tabs and fixed by gluing and / or adhesive strips, the filled cardboard packs (10) being a gluing station (26 ) and then pass through a folding station (32), characterized in that the carton packs (10) are acted upon in a subsequent control station (56) for checking the correct formation by pressure elements which are in the plane of the walls of the carton pack to be checked (10), in particular of the bottom wall (19) and top wall (20), generate pressure. 8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Karton-Packungen (10) in der Kontrollstation (56) durch Druckorgane anhebbar sind, insbesondere durch Druck­leisten (57, 58, 59), die im Bereich unterer Horizontal­kanten (24) angreifen, und daß oberhalb der Karton-Packun­gen (10) Gegendruckorgane angeordnet sind, insbesondere Druckbalken (76, 77) im Bereich der oberen Horizontalkan­ten (23).8. The device according to claim 7, characterized in that the cardboard packs (10) in the control station (56) can be raised by pressure elements, in particular by pressure bars (57, 58, 59) which engage in the region of lower horizontal edges (24), and that counter-pressure elements are arranged above the cardboard packs (10), in particular pressure bars (76, 77) in the region of the upper horizontal edges (23). 9. Vorrichtung nach Anspruch 7 oder 8, dadurch gekenn­zeichnet, daß die Kontrollstation (56) Teil eines Förde­rers (Querförderer 63) für die Karton-Packungen (10) ist, wobei der Förderer alternatiy in der einen oder anderen Richtung antreibbar ist, derart, daß als korrekt erkannte Karton-Packungen (10) in der einen und fehlerhafte Karton-­Packungen (10) in der anderen Richtung durch den Förderer transportierbar sind, fehlerhafte Karton-Packungen (10) in eine Bearbeitungsstation (73)9. The device according to claim 7 or 8, characterized in that the control station (56) is part of a conveyor (cross conveyor 63) for the carton packs (10), the conveyor being driven alternatively in one direction or the other, such that that correctly identified carton packs (10) in one direction and defective carton packs (10) in the other direction can be transported by the conveyor, defective carton packs (10) into a processing station (73) 10. Vorrichtung nach Anspruch 7 sowie einem oder mehreren der weiteren Ansprüche, dadurch gekennzeichnet, daß in der Kontrollstation (56) neben den zu prüfenden Wandungen der Karton-Packung (10), insbesondere neben den seitwärts ge­richteten Boden- und Deck-Wandungen (19, 20), parallel zur Wandungsebene, insbesondere vertikal gerichtete Licht­schranken (Sender 81, Empfänger 82) angeordnet sind.10. The device according to claim 7 and one or more of the further claims, characterized in that in the control station (56) in addition to the walls of the carton pack (10) to be tested, in particular in addition to the side-facing bottom and top walls (19th , 20), parallel to Wall plane, in particular vertically directed light barriers (transmitter 81, receiver 82) are arranged. 11. Vorrichtung nach Anspruch 7 sowie einem oder mehreren der weiteren Ansprüche, dadurch gekennzeichnet, daß der Kontrollstation (56) eine Faltstation (32) vorgeordnet ist, in der die miteinander verklebten Faltlappen (15..18) in bezug auf die Relativstellung ausrichtbar sind, insbe­sondere Außenlappen (17, 18) bis zur Anlage einander zuge­kehrter freier Ränder im Bereich einer Trennfuge (25) an­einander.11. The device according to claim 7 and one or more of the further claims, characterized in that the control station (56) is preceded by a folding station (32) in which the folded tabs (15..18) can be aligned with respect to the relative position , in particular outer tabs (17, 18) up to the contact of free edges facing one another in the region of a parting line (25). 12. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, daß bei horizontal gerichteter Trennfuge (25) zwischen den Außenlappen (17, 18) diese von oben und unten belastbar sind, derart, daß die Außenlappen (17, 18) bis zur Anlage der Kanten aneinander verschiebbar sind.12. The apparatus according to claim 11, characterized in that with a horizontally directed joint (25) between the outer tabs (17, 18) they can be loaded from above and below, such that the outer tabs (17, 18) until the edges rest against each other are movable. 13. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, daß die Karton-Packungen (10) in der Faltstation (32) an­hebbar sind, insbesondere durch an der Unterseite angrei­fende Hubleisten (39, 40), durch die die Karton-Packung (10) gegen oberhalb derselben im Bereich der oberen Hori­zontalkanten (23) wirkende Gegendruckorgane drückbar ist, insbesondere gegen elastische Druckrollen (42).13. The apparatus according to claim 12, characterized in that the carton packs (10) in the folding station (32) can be raised, in particular by lifting strips engaging on the underside (39, 40), through which the carton pack (10) against counter pressure elements acting above the same in the area of the upper horizontal edges (23) can be pressed, in particular against elastic pressure rollers (42). 14. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, daß die Faltlappen, insbesondere die Außenlappen (17, 18) während des Transports der Karton-Packungen (10) zur Aus­richtung belastbar sind, wobei Andrückorgane, insbesondere Andrückrollen (37), im Bereich der Trennfuge (25) an den Außenlappen (17, 18) zur Anlage kommen.14. The apparatus according to claim 12, characterized in that the folding tabs, in particular the outer tabs (17, 18) during the transport of the carton packs (10) can be loaded for alignment, pressure elements, in particular pressure rollers (37), in the region of the parting line (25) come to rest on the outer tabs (17, 18).
EP89107242A 1988-05-18 1989-04-21 Method and apparatus for inspecting carton packages Expired - Lifetime EP0342384B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3816856 1988-05-18
DE3816856A DE3816856A1 (en) 1988-05-18 1988-05-18 METHOD AND DEVICE FOR CHECKING CARDBOARD PACKS

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EP0342384A1 true EP0342384A1 (en) 1989-11-23
EP0342384B1 EP0342384B1 (en) 1993-11-03

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US (1) US4984409A (en)
EP (1) EP0342384B1 (en)
JP (1) JP2581799B2 (en)
AU (1) AU614838B2 (en)
BR (1) BR8902305A (en)
CA (1) CA1330715C (en)
DE (2) DE3816856A1 (en)

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Also Published As

Publication number Publication date
EP0342384B1 (en) 1993-11-03
BR8902305A (en) 1990-01-09
DE58906072D1 (en) 1993-12-09
AU3465689A (en) 1989-11-23
CA1330715C (en) 1994-07-19
AU614838B2 (en) 1991-09-12
JP2581799B2 (en) 1997-02-12
DE3816856A1 (en) 1989-11-30
US4984409A (en) 1991-01-15
JPH0232932A (en) 1990-02-02

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