EP0331210B1 - Method and apparatus for introducing into containers foil packages filled with an amorphous product - Google Patents

Method and apparatus for introducing into containers foil packages filled with an amorphous product Download PDF

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Publication number
EP0331210B1
EP0331210B1 EP89105984A EP89105984A EP0331210B1 EP 0331210 B1 EP0331210 B1 EP 0331210B1 EP 89105984 A EP89105984 A EP 89105984A EP 89105984 A EP89105984 A EP 89105984A EP 0331210 B1 EP0331210 B1 EP 0331210B1
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EP
European Patent Office
Prior art keywords
conveyor belt
packing case
section
conveyor
packaging container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89105984A
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German (de)
French (fr)
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EP0331210A2 (en
EP0331210A3 (en
Inventor
Heinz F. Odenthal
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Syntegon Packaging Systems AG
Original Assignee
Ostma Maschinenbau GmbH
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Application filed by Ostma Maschinenbau GmbH filed Critical Ostma Maschinenbau GmbH
Priority to EP89105984A priority Critical patent/EP0331210B1/en
Priority to AT89105984T priority patent/ATE83450T1/en
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Publication of EP0331210A3 publication Critical patent/EP0331210A3/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
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/003—Packaging lines, e.g. general layout
    • 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
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/10—Feeding, e.g. conveying, single articles
    • B65B35/24—Feeding, e.g. conveying, single articles by endless belts or chains
    • B65B35/243—Feeding, e.g. conveying, single articles by endless belts or chains using cooperating conveyors engaging the articles simultaneously
    • 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/10—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
    • B65B5/101—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles by gravity

Definitions

  • the invention relates generically to a method for introducing flexible film packaging filled with non-fixed material, in particular flat bags filled with free-flowing or flowable material, into packaging containers, in which a strand of bags made of film packaging lying on top of one another is fed horizontally and over an arcuate one
  • the conveying section is inserted vertically into the packaging container, which is filled beginning at an end wall, the string of bags being held in the arcuate conveying section between conveyor belts and in the packaging container each foil packaging abuts a deflecting element of the arched conveying section which is immersed in the packaging container, and the packaging container is under the pressure effect of the imported film packaging is advanced.
  • the cardboard boxes are transferred from a first conveyor belt to a subsequent conveyor belt that moves at a lower transport speed.
  • the cardboard boxes are stacked on top of one another.
  • the conveyor belt is accelerated and the cardboard boxes lying one above the other at high speeds Free fall speed introduced into the packaging container. This process is unsuitable for film packaging with goods that are not fixed in position. Due to the high impact speeds in the packaging container, the contents would slip, so that a high filling density would not be achievable. With sensitive contents, e.g. B. fragile chips, it can also damage the product.
  • the invention has for its object to design the generic method so that a tight and filling-gentle packaging of the film packaging is possible, with high performance without disruptive interruption in the transport of the film packaging. There is also the task of specifying a device for carrying out the method.
  • the film packaging has flaking the double effect that, on the one hand, the transport speed and the resulting impact forces at the end of the conveyor line are reduced without a reduction in performance and, on the other hand, that the film packaging guides itself in the packaging container. There is no intermediate sorting in a magazine. While in the known methods (GB-A-20 46 711) the material to be packed is pushed against the container bottom of the packaging container at an undefined speed, and specifically without front and rear guidance, the film packages to be packed are according to the invention with a targeted conveying speed to the bottom of the packaging container transported, where they are supported on the front and back, so that the goods evenly distributed in the packaging can not shift on one side. In this way, a tight filling of the packaging container with film packaging is ensured without the contents of the film packaging being exposed to harmful pressure loads.
  • the filling process of the packaging container with film packaging has a favorable effect if the packaging container is advanced solely through the film packaging conveyed into the container.
  • the packaging container should be able to be moved on a stationary surface. In such a case, the weight of the packaging container increases with increasing filling and the dynamic pressure increases correspondingly. This is favorable because, in the case of only a few packages filled into the packaging container, the dynamic pressure should be as small as possible, because otherwise there is a risk that the individual foil packaging is compressed too much and the contents could then be damaged.
  • there is a lot of packaging in the packaging container there is a large elastic cushion which compensates for too much compression of a single film packaging.
  • the invention further relates to a device suitable for carrying out the method - with a transport path for packaging containers, a substantially horizontally running conveyor section with load-bearing transport means for feeding film packaging, an arcuate conveyor section adjoining the horizontal conveyor section with a lower conveyor belt arranged on the inside of the sheet, and on the Upper conveyor belt arranged on the outside of the sheet, between which the film packagings can be clamped, the upper conveyor belt being guided at a transfer point to the horizontal conveyor section via a deflecting roller and at a vertical end section via a deflecting element which can be inserted into the packaging container.
  • this device is characterized in that the horizontal conveyor section has a conveyor belt for the supply of film packaging and an adjoining, lower-lying intermediate conveyor belt driven at a low transport speed, the film packaging being able to be brought up and lying flat on the conveyor belt in series without overlap the intermediate conveyor belt can be deposited in a scale-like manner with the formation of a bag strand and that the intermediate conveyor belt can be briefly switched over to a higher speed, a gap in the bag strand being able to be formed.
  • the deflection roller of the upper conveyor belt is preferably arranged to be adjustable in height.
  • a further advantageous embodiment of the invention is characterized in that the upper conveyor belt is guided over a belt store and a deflection element which is adjustable in the direction of belt travel.
  • the deflecting element is still adjustable in the direction of tape travel, then this makes sense in order to be able to adapt to packaging containers of different heights.
  • the upper conveyor belt of the curved conveyor section should run through a belt store. The belt store then compensates for the different belt lengths in the region of the curved guide resulting from the adjustment of the deflecting element or from different loading heights of the curved conveyor belt section.
  • the single figure shows a schematic representation of a device for introducing flexible film packaging filled with non-fixed material into a packaging container.
  • the film packagings are flat bags which are filled with a pourable or flowable filling material.
  • the device comprises three characteristic conveyor sections 2, 3, 4 between a filling and closing machine (not shown in the figure) for filling the filling material in flat bags and the packaging container shown in the form of a rectangular, open-top folding carton 1.
  • the conveyor section 2 runs horizontally and consists of an endless conveyor belt 5, on which the bags 6 filled by the filling and closing machine with evenly distributed contents are placed flat and in a row one behind the other.
  • the conveyor belt 5 is followed by a further conveyor belt 7, which is also horizontal, but somewhat lower.
  • This conveyor belt 7 has a lower transport speed than the conveyor belt 5. Because of the different conveyor speeds of the two belts 5, 7, the flat bags 6 are scaly at the transition point from the belt 5 to the belt 7. By briefly switching to a higher speed, a gap can be formed in the flaky bag strand 8.
  • the transport route section 4 leads from the horizontal to the vertical. It comprises a conveyor belt 9 arranged on the inside of the sheet, which is guided invariably by a guide, not shown. On the outside of the sheet, a second conveyor belt 10 is provided, which at the beginning of the transport section 4 via a deflection roller 11 which is adjustable in height relative to the conveyor belt 9 and at the end of the transport section 4 above the stacking point 1 via a deflection element 12, not shown, which is of low height has and is adjustable in the tape running direction, is guided. Between the deflecting roller 11 and the deflecting element 12, the belt is guided by the support, which is supported on accumulation and guiding means, not shown Belt 9, while it is supported on this belt 9, by clamping the bags 13 conveyed in the conveyor section 4. The belt 10 runs over further deflection rollers 14 to 17, of which the deflection roller 17 holds the belt 10 under tension by means of a spring (not shown). The roll 17 forms the tape storage.
  • the end of the tape 10 extends into the box 1.
  • a force acts against the carton 1 in the direction of arrow 18, e.g. B. the frictional force of the carton 1 supported on a base, but which allows a retreat (move on the base) of the carton 1 against the direction of the force arrow.
  • the box 1 is filled in the following way:
  • the flat bags 6 arriving one after the other in a row and lying flat with evenly distributed filling material are shingled during the transition to the conveyor path 3 because of the lower conveying speed, as already explained. This does not reduce the throughput, but it does reduce the transport speed.
  • the belt 7 is accelerated, so that the string of bags 8 is separated from the next string of bags by forming a gap.
  • the bags are clamped on both sides by the two belts 9, 10. This gives them a defined conveying speed even on the downhill conveyor. This also ensures that the even distribution of the contents in the bags is maintained. This jammed bag is going also not lost if the individual bag comes out of the effective range of the belt 9, because in the first bag the end wall of the carton 1 takes the lead and then the other, flaky bags.
  • the bags 13 are also conveyed at a defined conveying speed after leaving the belt 9 because they are under the action of the second conveyor belt 10 until they have reached their end position. Since the second conveyor belt 10 is not resiliently supported, the bags conveyed into the carton 1 exert a pressure counter to the direction of force 18, so that the container is displaced on its support against the force acting in the direction of arrow 18 as the filling progresses.
  • the box can be placed on a slideway, so that the pressure must be sufficient to set the box 1 in motion. If the pressure is not sufficient, or if the pressure for the contents would be too high, a force acting in the direction of movement can also be exerted on the container.
  • the gap between two successive strands 8, 13 is used to pull the deflecting element 12 out of the carton 1 and reinsert it into the subsequent packaging container.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Closing Of Containers (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

The invention relates to a method for introducing into packaging containers flexible foil packages filled with an amorphous product, in which a group of bags made up of foil packages (6) lying one on top of the other in overlapping formation is conveyed horizontally and introduced vertically into the packaging container (1) over a curved conveying section (4). According to the invention, the foil packages are conveyed flat on a conveyor belt (5) without overlap and following one another in series and transferred to an intermediate belt (7) driven at a slower transport speed, thus forming a bag group of imbricated foil packages. After a predetermined number of foil packages assigned to the packaging container (1) have been received, the intermediate belt (7) is accelerated for a short period, a bag- group section with a subsequent gap being formed. The bag-group section is introduced over the curved conveying section (4) into the packaging container (1). After the filling operation is complete, during the time interval given by the gap, the deflection element (12) is withdrawn from the packaging container (1), the packaging container (1) is transported away and the deflecting element (12) is inserted into a following, empty packaging container. <IMAGE>

Description

Die Erfindung bezieht sich gattungsgemäß auf ein Verfahren zum Einbringen von mit nicht lagefixiertem Gut gefüllten flexiblen Folienverpackungen, insbesondere mit riesel- oder fließfähigem Gut gefüllten Flachbeuteln, in Verpackungsbehälter, bei dem ein Beutelstrang aus schuppenförmig aufeinanderliegenden Folienverpackungen horizontal herangeführt und über einen bogenförmigen Förderabschnitt vertikal in den Verpackungsbehälter eingeführt wird, der an einer Stirnwand beginnend gefüllt wird, wobei der Beutelstrang im bogenförmigen Förderabschnitt zwischen Transportbändern gehalten wird und im Verpackungsbehälter jede Folienverpackung an einem in den Verpackungsbehälter eintauchenden Umlenkelement des bogenförmigen Förderabschnitts anliegt und wobei der Verpackungsbehälter unter der Druckwirkung der eingeführten Folienverpackungen vorgeschoben wird.The invention relates generically to a method for introducing flexible film packaging filled with non-fixed material, in particular flat bags filled with free-flowing or flowable material, into packaging containers, in which a strand of bags made of film packaging lying on top of one another is fed horizontally and over an arcuate one The conveying section is inserted vertically into the packaging container, which is filled beginning at an end wall, the string of bags being held in the arcuate conveying section between conveyor belts and in the packaging container each foil packaging abuts a deflecting element of the arched conveying section which is immersed in the packaging container, and the packaging container is under the pressure effect of the imported film packaging is advanced.

Bei dem bekannten gattungsgemäßen Verfahren (FR-A-22 10 540) muß beim Wechsel der Verpackungsbehälter der Herantransport von Folienverpackungen unterbrochen werden. Bei dem bekannten Verfahren wird kurz vor dem Ende des Füllvorganges das Förderband für die schuppenförmig aufeinander liegenden Folienverpackungen kurzzeitig stillgesetzt und die noch im bogenförmigen Förderabschnitt befindlichen Folienverpackungen in den Verpackungsbehälter eingebracht. Danach wird das Umlenkelement aus dem Verpackungsbehälter herausbewegt ein nachfolgender leerer Verpackungsbehälter in die Füllstellung gebracht. Erst dann wird das Antransportieren von neuen Folienverpackungen fortgesetzt und ein neuer Füllvorgang eingeleitet. Zur Vermeidung einer störenden Unterbrechung im Antransport des abzupackenden Materials ist es aus der GB-A-20 46 711 bekannt, mit einem Beschleunigungsband zu arbeiten. Das aus dieser Druckschrift bekannte Verfahren ist geeignet zum Abpacken von Kartonagen. Die Kartonagen werden von einem ersten Förderband auf ein daran anschließendes, mit kleinerer Transportgeschwindigkeit bewegtes Transportband übergeben. Dabei werden die Kartonagen schuppenförmig aufeinander abgelegt. Nachdem eine vorgegebene, in einem Verpackungsbehälter abzupackende Anzahl an Kartonagen auf dem Transportband aufliegt, wird das Transportband beschleunigt und die schuppenförmig übereinander liegenden Kartonagen mit hoher Geschwindigkeit im freien Fall in den Verpackungsbehälter eingeführt. Dieses Verfahren ist für Folienverpackungen mit nicht lagefixiertem Gut ungeeignet. Aufgrund der hohen Aufprallgeschwindigkeiten im Verpackungsbehälter würde das Füllgut verrutschen, so daß eine hohe Fülldichte nicht erreichbar wäre. Bei empfindlichem Füllgut, z. B. brüchigen Chips, kann es ferner zu einer Beschädigung des Füllguts kommen.In the known generic method (FR-A-22 10 540) the transport of film packaging has to be interrupted when changing the packaging container. In the known method, shortly before the end of the filling process, the conveyor belt for the film packages lying one above the other in the form of scales is stopped briefly and the film packages still located in the curved conveyor section are introduced into the packaging container. Then the deflection element is moved out of the packaging container and a subsequent empty packaging container is brought into the filling position. Only then will the transport of new film packaging continue and a new filling process initiated. In order to avoid a disruptive interruption in the transport of the material to be packed, it is known from GB-A-20 46 711 to work with an acceleration belt. The method known from this publication is suitable for packaging cardboard boxes. The cardboard boxes are transferred from a first conveyor belt to a subsequent conveyor belt that moves at a lower transport speed. The cardboard boxes are stacked on top of one another. After a predetermined number of cardboard boxes to be packed in a packaging container rests on the conveyor belt, the conveyor belt is accelerated and the cardboard boxes lying one above the other at high speeds Free fall speed introduced into the packaging container. This process is unsuitable for film packaging with goods that are not fixed in position. Due to the high impact speeds in the packaging container, the contents would slip, so that a high filling density would not be achievable. With sensitive contents, e.g. B. fragile chips, it can also damage the product.

Der Erfindung liegt die Aufgabe zugrunde, das gattungsgemäße Verfahren so auszubilden, daß ein dichtes und füllgutschonendes Abpacken der Folienverpackungen möglich ist, und zwar bei hoher Leistung ohne störende Unterbrechung im Antransport der Folienverpackungen. Ferner besteht die Aufgabe, eine Vorrichtung zur Durchführung des Verfahrens anzugeben.The invention has for its object to design the generic method so that a tight and filling-gentle packaging of the film packaging is possible, with high performance without disruptive interruption in the transport of the film packaging. There is also the task of specifying a device for carrying out the method.

Diese Aufgabe wird durch das Verfahren gemäß Anspruch 1 gelöst. Erfindungsgemäß hat das Schuppen der Folienverpackungen den doppelten Effekt, daß zum einen ohne Leistungsminderung die Transportgeschwindigkeit und die daraus resultierenden Stoßkräfte am Ende der Förderstrecke verkleinert werden und daß zum anderen die Folienverpackungen sich im Verpackungsbehälter selbst führen. Eine Zwischensortierung in einem Magazin entfällt also. Während bei den bekannten Verfahren (GB-A-20 46 711) das abzupackende Material mit undefinierter Geschwindigkeit gegen den Behälterboden des Verpackungsbehälters gestoßen wird, und zwar ohne vorder- und rückseitige Führung, werden die abzupackenden Folienverpackungen erfindungsgemäß mit gezielter Fördergeschwindigkeit bis zum Boden des Verpackungsbehälters transportiert, wobei sie vorderseitig sowie rückseitig abgestützt sind, so daß sich das gleichmäßig in der Verpackung verteilte Gut nicht einseitig verlagern kann. Auf diese Art und Weise ist eine dichte Füllung des Verpackungsbehälters mit Folienverpackungen gewahrleistet, ohne daß dabei der Inhalt der Folienverpackungen schädlichen Druckbelastungen ausgesetzt wird.This object is achieved by the method according to claim 1. According to the invention, the film packaging has flaking the double effect that, on the one hand, the transport speed and the resulting impact forces at the end of the conveyor line are reduced without a reduction in performance and, on the other hand, that the film packaging guides itself in the packaging container. There is no intermediate sorting in a magazine. While in the known methods (GB-A-20 46 711) the material to be packed is pushed against the container bottom of the packaging container at an undefined speed, and specifically without front and rear guidance, the film packages to be packed are according to the invention with a targeted conveying speed to the bottom of the packaging container transported, where they are supported on the front and back, so that the goods evenly distributed in the packaging can not shift on one side. In this way, a tight filling of the packaging container with film packaging is ensured without the contents of the film packaging being exposed to harmful pressure loads.

Günstig auf den Füllvorgang des Verpackungsbehälters mit Folienverpackungen wirkt sich aus, wenn der Verpackungsbehälter allein durch die in den Behälter geförderten Folienverpackungen vorgeschoben wird. Dabei sollte der Verpackungsbehälter auf einer ortsfesten Unterlage verschoben werden können. In einem solchen Fall wird mit zunehmender Füllung das Gewicht des Verpackungsbehälters größer und der S taudruck entsprechend größer. Dies ist günstig, weil bei erst wenigen in den Verpackungsbehälter eingefüllten Verpackungen der Staudruck möglichst klein sein soll, weil sonst die Gefahr besteht, daß die einzelne Folienverpackung zu sehr zusammengedrückt wird und dann das Füllgut beschädigt werden könnte. Wenn jedoch viele Verpackungen im Verpackungsbehälter sind, ist ein großes elastisches Polster vorhanden, das ein zu starkes Zusammenpressen einer einzelnen Folienverpackung kompensiert.The filling process of the packaging container with film packaging has a favorable effect if the packaging container is advanced solely through the film packaging conveyed into the container. The packaging container should be able to be moved on a stationary surface. In such a case, the weight of the packaging container increases with increasing filling and the dynamic pressure increases correspondingly. This is favorable because, in the case of only a few packages filled into the packaging container, the dynamic pressure should be as small as possible, because otherwise there is a risk that the individual foil packaging is compressed too much and the contents could then be damaged. However, if there is a lot of packaging in the packaging container, there is a large elastic cushion which compensates for too much compression of a single film packaging.

Die Erfindung bezieht sich ferner auf eine zur Durchführung des Verfahrens geeignete Vorrichtung - mit Transportbahn für Verpackungsbehälter, im wesentlichen horizontal verlaufendem Förderstreckenabschnitt mit tragenden Transportmitteln für das Zuführen von Folienverpackungen, an den horizontalen Förderstreckenabschnitt anschließenden bogenförmigen Förderstreckenabschnitt mit auf der Bogeninnenseite angeordnetem unteren Transportband und auf der Bogenaußenseite angeordnetem oberen Transportband, zwischen denen die Folienverpackungen einklemmbar sind, wobei das obere Transportband an einer Übergabestelle zum horizontalen Förderstreckenabschnitt über eine Umlenkrolle sowie an einem vertikalen Endabschnitt über ein Umlenkelement geführt ist, das in den Verpackungsbehälter einführbar ist. Diese Vorrichtung ist erfindungsgemäß dadurch gekennzeichnet, daß der horizontale Förderstreckenabschnitt ein Förderband für die Zufuhr von Folienverpackungen sowie ein daran anschließendes, tiefer liegend angeordnetes und mit geringer Transportgeschwindigkeit angetriebenes Zwischenförderband aufweist, wobei die Folienverpackungen ohne Überlappung in Reihe hintereinander flach liegend auf dem Förderband heranführbar und auf dem Zwischenförderband schuppenförmig unter Bildung eines Beutelstrangs ablegbar sind und daß das Zwischenförderband kurzzeitig auf eine höhere Geschwindigkeit umschaltbar ist, wobei eine Lücke im Beutelstrang ausbildbar ist. Vorzugsweise ist die Umlenkrolle des oberen Transportbandes höhenverstellbar angeordnet. Eine weitere vorteilhafte Ausgestaltung der Erfindung ist dadurch gekennzeichnet, daß das obere Transportband über einen Bandspeicher und ein in Bandlaufrichtung verstellbares Umlenkelement geführt ist. - Der Übergang von der Füllung eines Verpackungsbehälters auf den nächsten leeren Verpackungsbehälter geschieht in der Weise, daß beim Übergang von der Förderstrecke mit den einzeln geförderten Folienverpackungen zu der Förderstrecke, wo die Schuppung stattfindet, durch schnellere bzw. langsamere Förderung eine Lücke geschaffen wird. Sobald die Lücke am Verpackungsbehälter ankommt, ist es möglich, den vollen Verpackungsbehälter durch einen leeren Verpackungsbehälter zu ersetzen. Das kann beispielsweise dadurch geschehen, daß das die im Verpackungsbehälter gebildete Stapelstelle überfassende Umlenkelement des bogenförmigen Förderstreckenabschnitts in Bandlaufrichtung zurück- und dann beim neuen Behälter wieder vorgestellt wird. Diese Art des Übergangs ist dann erforderlich, wenn der Verpackungsbehälter nur in der Ebene seiner Aufstandsfläche verschoben werden kann. Sofern der Verpackungsbehälter heb- und senkbar ist, ist diese Art des Übergangs nicht erforderlich. Wenn gleichwohl das Umlenkelement auch dann noch in Bandlaufrichtung verstellbar ist, dann ist dies deshalb sinnvoll, um eine Anpassung an unterschiedlich hohe Verpackungsbehälter vornehmen zu können. Zur Aufrechterhaltung der Bandspannung sollte das obere Transportband des bogenförmigen Förderstreckenabschnitts durch einen Bandspeicher laufen. Der Bandspeicher kompensiert dann die sich durch die Verstellung des Umlenkelements oder durch unterschiedliche Beladungshöhe des bogenförmigen Förderbandabschnittes sich ergebende, unterschiedliche Bandlängen im Bereich der bogenförmigen Führung.The invention further relates to a device suitable for carrying out the method - with a transport path for packaging containers, a substantially horizontally running conveyor section with load-bearing transport means for feeding film packaging, an arcuate conveyor section adjoining the horizontal conveyor section with a lower conveyor belt arranged on the inside of the sheet, and on the Upper conveyor belt arranged on the outside of the sheet, between which the film packagings can be clamped, the upper conveyor belt being guided at a transfer point to the horizontal conveyor section via a deflecting roller and at a vertical end section via a deflecting element which can be inserted into the packaging container. According to the invention, this device is characterized in that the horizontal conveyor section has a conveyor belt for the supply of film packaging and an adjoining, lower-lying intermediate conveyor belt driven at a low transport speed, the film packaging being able to be brought up and lying flat on the conveyor belt in series without overlap the intermediate conveyor belt can be deposited in a scale-like manner with the formation of a bag strand and that the intermediate conveyor belt can be briefly switched over to a higher speed, a gap in the bag strand being able to be formed. The deflection roller of the upper conveyor belt is preferably arranged to be adjustable in height. A further advantageous embodiment of the invention is characterized in that the upper conveyor belt is guided over a belt store and a deflection element which is adjustable in the direction of belt travel. - The transition from the filling of a packaging container to the next empty packaging container takes place in such a way that during the transition from the conveyor line with the individually conveyed film packaging to the conveyor line where the scaling takes place, by faster or slower funding a gap is created. As soon as the gap arrives at the packaging container, it is possible to replace the full packaging container with an empty packaging container. This can be done, for example, by returning the deflecting element of the arcuate conveyor section section that forms the stacking point formed in the packaging container in the direction of belt travel and then introducing it again in the new container. This type of transition is necessary if the packaging container can only be moved in the plane of its contact area. If the packaging container can be raised and lowered, this type of transition is not necessary. If the deflecting element is still adjustable in the direction of tape travel, then this makes sense in order to be able to adapt to packaging containers of different heights. To maintain the belt tension, the upper conveyor belt of the curved conveyor section should run through a belt store. The belt store then compensates for the different belt lengths in the region of the curved guide resulting from the adjustment of the deflecting element or from different loading heights of the curved conveyor belt section.

Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung ausführlicher erläutert. Die einzige Figur zeigt in schematischer Darstellung eine Vorrichtung zum Einbringen von mit nicht lagefixiertem Gut gefüllten flexiblen Folienverpackungen in einen Verpackungsbehälter. Bei den Folienverpackungen handelt es sich im Ausführungsbeispiel um Flachbeutel, die mit einem riesel- oder fließfähigen Füllgut gefüllt sind.In the following, the invention will be explained in more detail with reference to a drawing showing only one embodiment. The single figure shows a schematic representation of a device for introducing flexible film packaging filled with non-fixed material into a packaging container. In the exemplary embodiment, the film packagings are flat bags which are filled with a pourable or flowable filling material.

Die Vorrichtung umfaßt zwischen einer in der Figur nicht dargestellten Füll- und Verschließmaschine zum Abfüllen des Füllgutes in Flachbeutel und der in Form eines quaderförmigen, oben offenen Faltkartons 1 dargestellten Verpackungsbehälters drei charakteristische Förderstreckenabschnitte 2, 3, 4.The device comprises three characteristic conveyor sections 2, 3, 4 between a filling and closing machine (not shown in the figure) for filling the filling material in flat bags and the packaging container shown in the form of a rectangular, open-top folding carton 1.

Der Förderstreckenabschnitt 2 verläuft in der Horizontalen und besteht aus einem endlosen Förderband 5, auf das die von der Füll- und Verschließmaschine gefüllten Beutel 6 mit gleichmäßig verteiltem Füllgut flach und in Reihe hintereinander abgelegt werden. An das Förderband 5 schließt sich im zweiten Förderstreckenabschnitt 3 ein weiteres, ebenfalls horizontal, aber etwas tiefer liegendes Förderband 7 an. Dieses Förderband 7 hat eine geringere Transportgeschwindigkeit als das Förderband 5. Aufgrund der unterschiedlichen Fördergeschwindigkeiten der beiden Bänder 5, 7 werden die Flachbeutel 6 an der Übergangsstelle vom Band 5 auf das Band 7 geschuppt. Durch kurzfristiges Umschalten auf eine höhere Geschwindigkeit kann in dem geschuppten Beutelstrang 8 eine Lücke gebildet werden.The conveyor section 2 runs horizontally and consists of an endless conveyor belt 5, on which the bags 6 filled by the filling and closing machine with evenly distributed contents are placed flat and in a row one behind the other. In the second conveyor section 3, the conveyor belt 5 is followed by a further conveyor belt 7, which is also horizontal, but somewhat lower. This conveyor belt 7 has a lower transport speed than the conveyor belt 5. Because of the different conveyor speeds of the two belts 5, 7, the flat bags 6 are scaly at the transition point from the belt 5 to the belt 7. By briefly switching to a higher speed, a gap can be formed in the flaky bag strand 8.

Der Transportstreckenabschnitt 4 führt aus der Horizontalen in die Vertikale. Er umfaßt ein an der Bogeninnenseite angeordnetes Transportband 9, das unveränderlich durch eine nicht dargestellte Führung geführt wird. Auf der Bogenaußenseite ist ein zweites Transportband 10 vorgesehen, das am Anfang des Transportstreckenabschnittes 4 über eine in der Höhe gegenüber dem Transportband 9 verstellbare Umlenkrolle 11 und am Ende des Transportstreckenabschnittes 4 über der Stapelstelle 1 über ein nicht näher dargestelltes Umlenkelement 12, das eine geringe Höhe hat und in Bandlaufrichtung verstellbar ist, geführt ist. Zwischen der Umlenkrolle 11 und dem Umlenkelement 12 erhält das Band seine Führung durch das an nicht dargestellten Stau- und Führungsmitteln abgestützte Band 9, indes es sich auf diesem Band 9, unter Einklemmen der im Förderstreckenabschnitt 4 geförderten Beutel 13, abstützt. Das Band 10 läuft über weitere Umlenkrollen 14 bis 17, von denen die Umlenkrolle 17 mittels einer nicht dargestellten Feder das Band 10 unter Spannung hält. Die Rolle 17 bildet den Bandspeicher.The transport route section 4 leads from the horizontal to the vertical. It comprises a conveyor belt 9 arranged on the inside of the sheet, which is guided invariably by a guide, not shown. On the outside of the sheet, a second conveyor belt 10 is provided, which at the beginning of the transport section 4 via a deflection roller 11 which is adjustable in height relative to the conveyor belt 9 and at the end of the transport section 4 above the stacking point 1 via a deflection element 12, not shown, which is of low height has and is adjustable in the tape running direction, is guided. Between the deflecting roller 11 and the deflecting element 12, the belt is guided by the support, which is supported on accumulation and guiding means, not shown Belt 9, while it is supported on this belt 9, by clamping the bags 13 conveyed in the conveyor section 4. The belt 10 runs over further deflection rollers 14 to 17, of which the deflection roller 17 holds the belt 10 under tension by means of a spring (not shown). The roll 17 forms the tape storage.

Das Ende des Bandes 10 reicht bis in den Karton 1 hinein. Gegen den Karton 1 wirkt in Richtung des Pfeils 18 eine Kraft, z. B. die Reibkraft des auf einer Unterlage abgestützten Kartons 1, die aber ein Zurückweichen (verschieben auf der Unterlage) des Kartons 1 entgegen der Richtung des Kraftpfeils zuläßt.The end of the tape 10 extends into the box 1. A force acts against the carton 1 in the direction of arrow 18, e.g. B. the frictional force of the carton 1 supported on a base, but which allows a retreat (move on the base) of the carton 1 against the direction of the force arrow.

Das Füllen des Kartons 1 erfolgt auf folgende Art und Weise:
Die einzeln in Reihe hintereinander und flachliegend bei gleichmäßig verteiltem Füllgut ankommenden Flachbeutel 6 werden beim Übergang auf die Förderstrecke 3 wegen der geringeren Fördergeschwindigkeit, wie bereits erläutert, geschuppt. Dadurch wird die Durchsatzleistung nicht vermindert, wohl aber die Transportgeschwindigkeit.The box 1 is filled in the following way:
The flat bags 6 arriving one after the other in a row and lying flat with evenly distributed filling material are shingled during the transition to the conveyor path 3 because of the lower conveying speed, as already explained. This does not reduce the throughput, but it does reduce the transport speed.

Nach einer bestimmten Anzahl von Beuteln 6, die beispielsweise in einen Karton 1 hineinpassen, wird das Band 7 beschleunigt, so daß der Beutelstrang 8 durch Bildung einer Lücke von dem nächsten Beutelstrang abgesetzt wird. Sobald der Beutelstrang 8 in den abschüssigen Förderstreckenabschnitt 4 gelangt, werden die Beutel von den beiden Bändern 9, 10 beidseitig eingeklemmt. Dadurch erhalten sie auch auf der abschüssigen Förderstrecke eine definierte Fördergeschwindigkeit. Ferner wird dadurch gewährleistet, daß die gleichmäßige Verteilung des Füllgutes in den Beuteln erhalten bleibt. Dieses Eingeklemmtsein der Beutel geht auch dann nicht verloren, wenn der einzelne Beutel aus dem Wirkungsbereich des Bandes 9 gerät, weil beim ersten Beutel die Stirnwand des Kartons 1 die Führung übernimmt und dann die weiteren, geschuppten Beutel. Die Beutel 13 werden auch nach Verlassen des Bandes 9 mit definierter Fördergeschwindigkeit gefördert, weil sie bis zum Erreichen ihrer Endlage unter der Wirkung des zweiten Förderbandes 10 stehen. Da das zweite Förderband 10 nicht nachgiebig abgestützt ist, üben die in den Karton 1 geförderten Beutel einen der Kraftrichtung 18 entgegengerichteten Druck aus, so daß der Behälter mit dem Fortschritt der Füllung gegen die in Richtung des Pfeils 18 wirkende Kraft auf seiner Unterlage verschoben wird. Im einfachsten Fall kann der Karton auf einer Gleitbahn abgestellt sein, so daß der Druck ausreichen muß, um den Karton 1 in Bewegung zu setzen. Reicht der Druck nicht aus, oder würde der Druck für das Füllgut zu groß sein, kann auf den Behälter zusätzlich eine in Bewegungsrichtung wirkende Kraft ausgeübt werden.After a certain number of bags 6, which fit, for example, into a carton 1, the belt 7 is accelerated, so that the string of bags 8 is separated from the next string of bags by forming a gap. As soon as the bag strand 8 reaches the downward conveyor section 4, the bags are clamped on both sides by the two belts 9, 10. This gives them a defined conveying speed even on the downhill conveyor. This also ensures that the even distribution of the contents in the bags is maintained. This jammed bag is going also not lost if the individual bag comes out of the effective range of the belt 9, because in the first bag the end wall of the carton 1 takes the lead and then the other, flaky bags. The bags 13 are also conveyed at a defined conveying speed after leaving the belt 9 because they are under the action of the second conveyor belt 10 until they have reached their end position. Since the second conveyor belt 10 is not resiliently supported, the bags conveyed into the carton 1 exert a pressure counter to the direction of force 18, so that the container is displaced on its support against the force acting in the direction of arrow 18 as the filling progresses. In the simplest case, the box can be placed on a slideway, so that the pressure must be sufficient to set the box 1 in motion. If the pressure is not sufficient, or if the pressure for the contents would be too high, a force acting in the direction of movement can also be exerted on the container.

Sobald der Karton 1 mit Flachbeuteln gefüllt ist, wird die Lücke zwischen zwei aufeinanderfolgenden Strängen 8, 13 ausgenutzt, um das Umlenkelement 12 aus dem Karton 1 herauszuziehen und in den nachfolgenden Verpackungsbehälter wieder einzuführen.As soon as the carton 1 is filled with flat bags, the gap between two successive strands 8, 13 is used to pull the deflecting element 12 out of the carton 1 and reinsert it into the subsequent packaging container.

Claims (4)

  1. A process for loading flexible sheet packages filled with material which is not fixed in position, particularly flat bags filled with pourable or flowable material, into packing cases, in which a bag train comprising sheet packages (6) lying imbricated on top of each other is advanced horizontally and loaded vertically into the packing case (1), filling of which starts at an end wall, via an arc-shaped conveyor section (4), wherein the bag train (8) is held in the arc-shaped conveyor section (4) between conveyor belts (9, 10), in the packing case (1) each sheet package sits closely against a deflection member (12) of the arc-shaped conveyor section (4) which dips into the packing case, and the packing case (1) is advanced under the effect of the pressure of the sheet packages fed in, wherein, in addition, after the completion of the filling process, the deflection member (12) is withdrawn from the packing case (1), the packing case (1) is transported away, and the deflection member (12) is inserted in a subsequent empty packing case, characterised in that the sheet packages (6) are advanced lying flat on a conveyor belt (5) in a row one behind the other without overlapping and are transferred to an intermediate conveyor belt (7) driven at a lower conveying speed with the formation of a bag train comprising sheet packages lying imbricated on top of each other, that the intermediate conveyor belt (7) is momentarily accelerated after receiving a predetermined number of sheet packages assigned to the packing case (1), wherein a bag train section (8) is formed with a subsequent gap, and that during the time interval which is predetermined by the gap the packing case (1) filled with the bag train section (8) is transported away and preparations are made for filling the following empty packing case.
  2. A device for carrying out the process according to Claim 1, with

       a transport path for packing cases (1),

       a conveyor track section (2, 3) running substantially horizontally with supporting conveyor means for feeding sheet packages (6),

       an arc-shaped conveyor track section (4) following the horizontal conveyor track section (2, 3), with a lower conveyor belt (9) disposed on the inside of the arc and an upper conveyor belt (10) disposed on the outside of the arc, between which the sheet packages can be squeezed,

    wherein the upper conveyor belt (10) is guided at a position of transfer to the horizontal conveyor track section via a deflection roller (11) and at a vertical end section via a deflection member (12) which can be introduced into the packing case (1), characterised in that the horizontal conveyor track section (2, 3) has a conveyor belt (5) for feeding sheet packages (6) and an intermediate conveyor belt (7), which follows and is disposed lower than the conveyor belt (5) and which is driven at a lower conveying speed, wherein the sheet packages (6), which are advanced on the conveyor belt (5) one behind the other without overlapping, can be deposited imbricated on the intermediate conveyor belt (7) with the formation of a bag train (8), and that after taking up a number of bags (6) assigned to the packing case the intermediate conveyor belt (7) can be momentarily changed over to a higher speed for the purpose of forming a gap in the bag train (8).
  3. A device according to Claim 2, characterised in that the deflection roller (11) of the upper conveyor belt (10) is disposed so that it is height-adjustable.
  4. A device according to Claims 2 or 3, characterised in that the upper conveyor belt (10) is guided via a belt store (17) and a deflection member (12) which is adjustable in the direction of travel of the belt.
EP89105984A 1984-02-25 1985-01-18 Method and apparatus for introducing into containers foil packages filled with an amorphous product Expired - Lifetime EP0331210B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP89105984A EP0331210B1 (en) 1984-02-25 1985-01-18 Method and apparatus for introducing into containers foil packages filled with an amorphous product
AT89105984T ATE83450T1 (en) 1984-02-25 1985-01-18 METHOD AND APPARATUS FOR LOADING FLEXIBLE FOIL PACKAGES WELL FILLED WITH UNFIXED IN POSITION INTO PACKAGING CONTAINERS.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19843406858 DE3406858A1 (en) 1984-02-25 1984-02-25 METHOD AND DEVICE FOR TRANSPORTING FLAT BAGS FILLED WITH GRAZY OR FLOWABLE GOODS TO A STACKING POINT, IN PARTICULAR. A PACKAGING CONTAINER
DE3406858 1984-02-25
EP89105984A EP0331210B1 (en) 1984-02-25 1985-01-18 Method and apparatus for introducing into containers foil packages filled with an amorphous product

Related Parent Applications (2)

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EP85100475.4 Division 1985-01-18
EP85100475A Division-Into EP0153577B1 (en) 1984-02-25 1985-01-18 Method and apparatus for forming groups of package containers filled with foil packages

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EP0331210A2 EP0331210A2 (en) 1989-09-06
EP0331210A3 EP0331210A3 (en) 1989-09-13
EP0331210B1 true EP0331210B1 (en) 1992-12-16

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EP85100475A Expired EP0153577B1 (en) 1984-02-25 1985-01-18 Method and apparatus for forming groups of package containers filled with foil packages

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US (1) US4676050A (en)
EP (2) EP0331210B1 (en)
AT (2) ATE83450T1 (en)
DE (3) DE3406858A1 (en)

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Also Published As

Publication number Publication date
EP0153577A2 (en) 1985-09-04
EP0331210A2 (en) 1989-09-06
EP0153577B1 (en) 1989-10-11
EP0331210A3 (en) 1989-09-13
DE3573582D1 (en) 1989-11-16
DE3586908D1 (en) 1993-01-28
US4676050A (en) 1987-06-30
DE3406858A1 (en) 1985-10-03
ATE47105T1 (en) 1989-10-15
ATE83450T1 (en) 1993-01-15
EP0153577A3 (en) 1987-03-18

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