EP0960816B1 - Apparatus for transporting bags - Google Patents

Apparatus for transporting bags Download PDF

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Publication number
EP0960816B1
EP0960816B1 EP99109913A EP99109913A EP0960816B1 EP 0960816 B1 EP0960816 B1 EP 0960816B1 EP 99109913 A EP99109913 A EP 99109913A EP 99109913 A EP99109913 A EP 99109913A EP 0960816 B1 EP0960816 B1 EP 0960816B1
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EP
European Patent Office
Prior art keywords
bags
foregoing
transport system
transport
holding members
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
EP99109913A
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German (de)
French (fr)
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EP0960816A1 (en
Inventor
Erich Meyer
Dietmar Schmetzer
Klaus Griessmayr
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.)
Optima Filling and Packaging Machines GmbH
Original Assignee
Optima Filling and Packaging Machines GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Optima Filling and Packaging Machines GmbH filed Critical Optima Filling and Packaging Machines GmbH
Publication of EP0960816A1 publication Critical patent/EP0960816A1/en
Application granted granted Critical
Publication of EP0960816B1 publication Critical patent/EP0960816B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14Feeding individual bags or carton blanks from piles or magazines

Definitions

  • the invention relates to a device with the bag be fed to a machine in which this opened and be filled. It is already such a device been proposed.
  • Two roller chains carry the Pile of bags from the cradle to the place where they are be opened.
  • the two chains are over a common Shaft driven.
  • the chain points to the side where the Pouches are open, pins on, over which the pouches with their projecting tab to be striped. In the tab are Holes available.
  • the pen groups are evenly on Chain circumference distributed. The distance from pen group to pen group depends on the widest bag and the Chain length.
  • the second parallel chain transports the bag at its opposite end, the bottom. Also Here an angle link chain is used. To slip To prevent the bag during transport are between the stacks driving pins screwed into support blocks.
  • the invention is based on the object, a device to provide for the supply of bags, while maintaining the same Size of the chain has a higher storage volume.
  • the invention proposes a device with the features of claim 1 before. Further developments
  • the invention are the subject of the dependent claims, whose Wording as well as the wording of the summary by Reference is made to the content of the description.
  • the Holding members By arranging a plurality of brackets, the Holding members at many points of the circulating transport device be attached so that the length of Transport equipment better utilized and thus more stacks can be accommodated by bags.
  • the Retaining members are releasably received in the brackets.
  • the Holding members can therefore be when changing the bag size adapt to the new bags by fitting them into appropriate ones Mounts are used.
  • the invention proposes that the brackets are arranged in a pitch that is smaller than that Dimension of the bag measured in the transport direction, in particular small compared to this dimension. If it is at the Transport device is a circulating chain can for example, the pitch of the length of a single Chain link correspond. This will make it possible for the Distance between successive stacks of bags down to the size of the grid.
  • brackets are formed such that the holding members solved by running against a stop from them can be. This makes it possible to use a bag stack or remove the remainder of a bag stack from the device, if the top bag does not open.
  • the invention may be provided in a further development be that the holding members are formed like a pin, especially as tubes, d. H. hollow.
  • the Holding members are formed like a pin, especially as tubes, d. H. hollow.
  • the Holding members thereby determine the bag that this with Holes stuck on the holding members or put on become.
  • the holding members a Head in the form of an inverted truncated cone. On the one hand, this prevents them from unintentionally releasing Bag, but without its intentional release to its filling to prevent.
  • the holding members have a widened foot with which they are in the brackets can be determined.
  • the brackets can on attack the shaft of the holding member while the widened Foot is inserted under a part of the bracket and only can be taken in a certain direction.
  • the holding members in a direction obliquely to across the Transport direction are inserted into the brackets can. In the same or reverse direction they can be pushed out again.
  • a second transport device is arranged parallel to the Transport device, for example, as a circulating Chain, as a revolving band, as a revolving belt or may be formed.
  • the second transport device is driven synchronously with the first.
  • the second transport device Have recordings for holding members, in particular the same recordings for the same holding members. These are then inserted into the brackets in pairs sandwich the piles of bags between them. On This way is also at high transport speeds prevents lateral slippage of the bag.
  • the bags may be arranged so that they are held on the first transport device and approximately in the middle of its length on the second conveyor rest. The rest of the bag can then over hang down the second conveyor.
  • the device a support rail, which is parallel to the or the transport facilities runs. This will be the Pouch then simply supported.
  • the distance between the first transport device and the second transport device adjustable, as well as the distance between the first transport device and the support rail.
  • the distance to the Serving rails is changed so that these always, for example centrally between the transport facilities lie.
  • the invention proposes seen in the transport direction behind the place where the bags are opened and removed be a Ausschiebe noticed for those bags or To provide bag stacks that are faulty or themselves faulty behavior. They can not do any more here either required holding members are pushed out.
  • this Ausschiebe awakening may be in particular a acting oblique stop, in which the Ausschiebe Quant is achieved in that the transport device moves the holding members against the inclined surface.
  • Fig. 1 shows a simplified simplified view of a shortened a device with the bag from right to left one Can be fed to where the topmost bag of a Stack can be opened.
  • the device contains a first circulating transport device 1, for example a circulating chain or a rotating belt, of which the upper strand can be seen.
  • the chain is over several support wheels and two deflecting wheels out. These wheels are Held on a common cheek, below the Transport device 1 is arranged and in the drawing not shown.
  • the cheek is on two straps 2 attached.
  • the carriers 2 are perpendicular to the transport direction, which is represented by the arrow 3, and in parallel to the floor on which the device is placed.
  • a second transport means 4 arranged similarly is constructed like the first transport device 1. They too contains a revolving chain or a belt. The Chain is led around two deflection wheels and along their Length supported. Again, a cheek is provided. This cheek, the carrier 2 can be moved along.
  • the in Fig. 1 at the right end of the transport device 1 arranged Guide wheel is about a shaft 5 with the corresponding Deflection wheel of the front transport device 4 connected. This results in a synchronous movement of the two transport devices 1, 4.
  • a Rail 11 which is shown only schematically in Fig. 1 is.
  • the rail 11 extends above the lever 7, 9th and above the straps 2. Your top lies in one Plane with the top of the two transport devices 1, 4.
  • a further pin 12 is arranged in each case.
  • On this pin 12 more rails 13 can be placed which are changing the distance between the two transport devices 1, 4 also their mutual Change distance, but parallel to the transport facilities 1, 4 remain.
  • Also in this rail 13 is the Top in a plane with the top of the transport facilities 1, 4.
  • a stop 14 is formed, which is at an angle of about 30 ° relative to the longitudinal direction of the transport device 1 and thus runs opposite to the transport direction. This Stop 14 is behind the point where the bag be opened.
  • FIG. 2 shows an end view of the device of FIG. 1.
  • the transport device 1 which is simplified here as a circulating belt is fixed in the area of one end of the carrier 2 arranged.
  • the carrier 2 is arranged on a frame 15.
  • the second transport device 4 is by means of a holder 16 slidably supported on the carriers 2.
  • Fig. 3 shows simplified perspective, as on the rear and front transport device 1, 4 a stack 17 of Bags 18 is arranged to be transported with the device to become. In the area of their open ends 19 are the Bag 18 with holding members 20 on the transport device. 1 attached. They lie on the second transport device. 4 while their ends 21 are hanging down. In the space between the first and second transport means 1, 4, the Bag supported by the support rails 11, 13. In In this arrangement, the stacks are fed to the place where the bags are opened.
  • FIG. 4 now shows a bag stack 17, in which the uppermost Bag 18 is opened.
  • the bag 18 points in the area of his open end a tab 22, which is opposite to the edge 23rd protrudes.
  • this tab two holes 24 are punched, with the bags 18 lined up on the support members 20 are.
  • a Suction cup or other suction device on the top Wall of the bag attacked and this moves up. In the resulting opening then the bag contents can be introduced become.
  • Fig. 5 shows on an enlarged scale a plan view of a Part of a transport device, namely four in the longitudinal direction the transport device arranged one behind the other Mounts 25 for the holding members 20.
  • Each bracket 25th is formed by an angle element, in its horizontal Leg a U-shaped incision 26 is present.
  • the Central axis between the two parallel side edges 27th of the cut 26 runs perpendicular to the transport direction the transport device.
  • the vertical leg 28 of Holder is for example by means of a screw 29 at bolted to the chain link 30. This is shown in FIG. In Fig. 6, the transport direction is perpendicular to the paper level.
  • the rear side of the Transport device 1, so also right in Fig. 2.
  • the shaft 33 of the holding member is encompassed by the side edges 27 of the cuts 26.
  • the Holding member 20 may be to the right in Fig. 6 and up in Fig. 5 taken from the holder 25 and in the reverse Direction can be used in this.
  • Fig. 7 again shows an enlarged scale a holding member 20 as used to advantage by the invention.
  • the Holding member 20 is a cylindrical tube 33 with a disc-shaped foot 32 and a head 36 in the form of a inverted truncated cone formed.
  • the foot 32 can in the lower end of the shaft 33 are screwed.
  • the head 36 can be jammed with the upper end of the shaft 33.
  • the diameter of the shaft 33 the diameter of the Holes 24 approximately corresponds to the diameter of the head 36 a little bigger. This will cause unintentional release of the Bag from a pile prevented. Nevertheless, if that Material of the bag is somewhat yielding, the bag of the Stack to be solved. Even with a non-compliant Material can possibly be torn open the hole.
  • the device proposed by the invention operates as follows.
  • the bags are combined into stacks and with Help the holding members 20 together. Subsequently be the two holding members of the right in Fig. 3 rear side, d. H. in Fig. 5 from above and in Fig. 6 of right, inserted into the incisions 26.
  • the bags will be thereby oriented, as shown in Fig. 3.
  • the next stack can then be next to the previous one Stack to be attached, since the screening of the cuts 26th is relatively small.
  • the distance corresponds two incisions 26 of the length of a chain link in the transport direction, for example, about 2.5 cm. In this way can the length of the transport devices 1, 4 with only exploit slight gaps between the bag stacks.
  • the device is then operated to close the bag stacks to bring the place where they are opened. Represents out that a bag can not open, so can the associated bag stack thereby excreted from the device be that the device simply transported on. Then the scafft arrives in the transport direction leading holding member 20 to rest against the stop 14, where he then pushed outward until the shaft 33 except Engagement with the holder 25 passes.
  • the holding members 20 are also pushed out, when all the bags in a pile have been processed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Description

Die Erfindung geht aus von einer Vorrichtung, mit der Beutel einer Maschine zugeführt werden, in der diese geöffnet und befüllt werden. Es ist bereits eine solche Vorrichtung vorgeschlagen worden. Dabei tragen zwei Rollenketten die Stapel von Beutel von der Auflegestelle zu der Stelle, wo sie geöffnet werden. Die beiden Ketten werden über eine gemeinsame Welle angetrieben. Die Kette weist auf der Seite, wo die Beutel offen sind, Stifte auf, über die die Beutel mit ihrer überstehenden Lasche gestreift werden. In der Lasche sind Löcher vorhanden. Die Stiftgruppen sind gleichmäßig am Kettenumfang verteilt. Der Abstand von Stiftgruppe zu Stiftgruppe richtet sich nach dem breitesten Beutel und der Kettenlänge. Die zweite parallel laufende Kette transportiert den Beutel an seinem gegenüberliegenden Ende, dem Boden. Auch hier wird eine Winkellaschenkette verwendet. Um ein Verrutschen der Beutel während des Transports zu verhindern, sind zwischen den Stapeln Mitnehmerstifte in Auflageklötze eingeschraubt. The invention relates to a device with the bag be fed to a machine in which this opened and be filled. It is already such a device been proposed. Two roller chains carry the Pile of bags from the cradle to the place where they are be opened. The two chains are over a common Shaft driven. The chain points to the side where the Pouches are open, pins on, over which the pouches with their projecting tab to be striped. In the tab are Holes available. The pen groups are evenly on Chain circumference distributed. The distance from pen group to pen group depends on the widest bag and the Chain length. The second parallel chain transports the bag at its opposite end, the bottom. Also Here an angle link chain is used. To slip To prevent the bag during transport are between the stacks driving pins screwed into support blocks.

Es ist bereits eine Vorrichtung zum Transportieren von in Bündeln zusammengefassten Beuteln zu einer Füllmaschine bekannt (DE-A1-19521852). Hierbei werden die hängenden Beutelbündel mit Hilfe eines Förderers zu einer Stelle befördert, wo sie mit einer Kippeinrichtung auf eine umlaufende Transporteinrichtung aufgelegt werden. Die umlaufende Transporteinrichtung hat fest angeordnete Zapfen 31, die durch Löcher in den Beuteln hindurchgreifen. Die Beutelstapel liegen dabei auf einem Förderband. It is already a device for transporting bundled in bundles Bags for a filling machine known (DE-A1-19521852). Here are the hanging bag bundles with the help of a Conveyor promoted to a position where she is using a tilting device a circulating transport device are launched. The circulating Conveyor has fixed pins 31 through holes reach through the bags. The bag stacks lie on it a conveyor belt.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum Zuführen von Beuteln zu schaffen, die bei gleichbleibender Größe der Kette ein höheres Speichervolumen aufweist.The invention is based on the object, a device to provide for the supply of bags, while maintaining the same Size of the chain has a higher storage volume.

Zur Lösung dieser Aufgabe schlägt die Erfindung eine Vorrichtung mit den Merkmalen des Anspruchs 1 vor. Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche, deren Wortlaut ebenso wie der Wortlaut der Zuammenfassung durch Bezugnahme zum Inhalt der Beschreibung gemacht wird.To solve this problem, the invention proposes a device with the features of claim 1 before. further developments The invention are the subject of the dependent claims, whose Wording as well as the wording of the summary by Reference is made to the content of the description.

Durch das Anordnen einer Vielzahl von Halterungen können die Halteglieder an sehr vielen Stellen der umlaufenden Transporteinrichtung angebracht werden, so daß die Länge der Transporteinrichtung besser ausgenutzt und damit mehr Stapel von Beuteln untergebracht werden können.By arranging a plurality of brackets, the Holding members at many points of the circulating transport device be attached so that the length of Transport equipment better utilized and thus more stacks can be accommodated by bags.

In Weiterbildung der Erfindung ist vorgesehen, daß die Halteglieder lösbar in den Halterungen aufgenommen sind. Die Halteglieder lassen sich daher bei Wechseln der Beutelgröße an die neuen Beutel dadurch anpassen, daß sie in entsprechende Halterungen eingesetzt werden.In development of the invention it is provided that the Retaining members are releasably received in the brackets. The Holding members can therefore be when changing the bag size adapt to the new bags by fitting them into appropriate ones Mounts are used.

Insbesondere schlägt die Erfindung vor, daß die Halterungen in einem Rastermaß angeordnet sind, das kleiner ist als die Abmessung der Beutel in Transportrichtung gemessen, insbesondere klein gegenüber diese Abmessung. Wenn es sich bei der Transporteinrichtung um eine umlaufende Kette handelt, kann beispielsweise das Rastermaß der Länge eines einzelnen Kettenglieds entsprechen. Dadurch wird es möglich, den Abstand zwischen aufeinanderfolgenden Stapeln von Beuteln bis auf die Größe des Rastermaßes zu verringern. In particular, the invention proposes that the brackets are arranged in a pitch that is smaller than that Dimension of the bag measured in the transport direction, in particular small compared to this dimension. If it is at the Transport device is a circulating chain can for example, the pitch of the length of a single Chain link correspond. This will make it possible for the Distance between successive stacks of bags down to the size of the grid.

Erfindungsgemäß kann in Weiterbildung vorgesehen sein, daß die Halterungen derart ausgebildet werden, daß die Halteglieder durch Auflaufen gegen einen Anschlag aus ihnen gelöst werden können. Damit wird es möglich, einen Beutelstapel oder den Rest eines Beutelstapels aus der Vorrichtung auszuscheiden, falls der oberste Beutel sich nicht öffnen läßt.According to the invention may be provided in a development that the brackets are formed such that the holding members solved by running against a stop from them can be. This makes it possible to use a bag stack or remove the remainder of a bag stack from the device, if the top bag does not open.

Insbesondere kann in Weiterbildung der Erfindung vorgesehen sein, daß die Halteglieder stiftartig ausgebildet sind, insbesondere auch als Röhrchen, d. h. hohl. Dadurch sind die Halteglieder sehr leicht, und aufgrund ihres geringen Gewichts und ihrer nicht sehr großen Stabilität stellen sie ein verringertes Verletzungsrisiko dar, so daß die Vorrichtung mit einfacheren Schutzmaßnahmen auskommt. Dies gilt insbesondere dann, wenn die Halteglieder auch noch durch einfaches Verschieben aus den Halterungen ausgerückt werden können.In particular, the invention may be provided in a further development be that the holding members are formed like a pin, especially as tubes, d. H. hollow. Thereby are the Holding members very light, and due to their low weight and their not very great stability they set reduced risk of injury, so that the device with simpler protective measures. This is especially true then, if the holding members even by simple Move out of the brackets can be disengaged.

In Weiterbildung der Erfindung kann vorgesehen sein, daß die Halteglieder dadurch die Beutel festlegen, daß diese mit Löchern auf die Halteglieder aufgesteckt oder aufgestülpt werden.In a further development of the invention can be provided that the Holding members thereby determine the bag that this with Holes stuck on the holding members or put on become.

Insbesondere kann vorgesehen sein, daß die Halteglieder einen Kopf in Form eines umgekehrten Kegelstumpfs aufweisen. Dadurch verhindern sie einerseits ein ungewolltes Lösen eines Beutels, ohne aber dessen gewolltes Lösen zu seinem Befüllen zu verhindern.In particular, it can be provided that the holding members a Head in the form of an inverted truncated cone. On the one hand, this prevents them from unintentionally releasing Bag, but without its intentional release to its filling to prevent.

Erfindungsgemäß kann vorgesehen sein, daß die Halteglieder einen verbreiterten Fuß aufweisen, mit dem sie in den Halterungen festgelegt werden können. Die Halterungen können an dem Schaft des Halteglieds angreifen, während der verbreiterte Fuß unter einem Teil der Halterung eingesetzt ist und nur in einer bestimmten Richtung entnommen werden kann. According to the invention it can be provided that the holding members have a widened foot with which they are in the brackets can be determined. The brackets can on attack the shaft of the holding member while the widened Foot is inserted under a part of the bracket and only can be taken in a certain direction.

Erfindungsgemäß kann in Weiterbildung vorgesehen sein, daß die Halteglieder in einer Richtung schräg bis quer zur Transportrichtung in die Halterungen eingeschoben werden können. In der gleichen bzw. umgekehrten Richtung können sie auch wieder herausgeschoben werden.According to the invention may be provided in a development that the holding members in a direction obliquely to across the Transport direction are inserted into the brackets can. In the same or reverse direction they can be pushed out again.

Erfindungsgemäß kann vorgesehen sein, daß parallel zu der Transporteinrichtung, die beispielsweise als umlaufende Kette, als umlaufendes Band, als umlaufender Riemen oder dergleichen ausgebildet sein kann, eine zweite Transporteinrichtung angeordnet wird.According to the invention it can be provided that parallel to the Transport device, for example, as a circulating Chain, as a revolving band, as a revolving belt or may be formed, a second transport device is arranged.

Insbesondere kann vorgesehen sein, daß die zweite Transporteinrichtung synchron zu der ersten angetrieben wird.In particular, it can be provided that the second transport device is driven synchronously with the first.

Erfindungsgemäß kann auch die zweite Transporteinrichtung Aufnahmen für Halteglieder aufweisen, insbesondere die gleichen Aufnahmen für die gleichen Halteglieder. Diese werden dann so in die Halterungen eingesetzt, daß sie paarweise die Stapel von Beuteln zwischen sich einschließen. Auf diese Weise wird auch bei hohen Transportgeschwindigkeiten ein seitliches Verrutschen der Beutel verhindert.According to the invention, the second transport device Have recordings for holding members, in particular the same recordings for the same holding members. These are then inserted into the brackets in pairs sandwich the piles of bags between them. On This way is also at high transport speeds prevents lateral slippage of the bag.

Die Beutel können beispielsweise so angeordnet werden, daß sie auf der ersten Transporteinrichtung festgehalten werden und etwa in der Mitte ihrer Länge auf der zweiten Transporteinrichtung aufliegen. Der Rest des Beutels kann dann über die zweite Transporteinrichtung hinab hängen. Bei größeren Beuteln kann erfindungsgemäß vorgesehen sein, daß die Vorrichtung eine Auflageschiene aufweist, die parallel zu der bzw. den Transporteinrichtungen verläuft. Damit werden die Beutel dann einfach unterstützt. For example, the bags may be arranged so that they are held on the first transport device and approximately in the middle of its length on the second conveyor rest. The rest of the bag can then over hang down the second conveyor. For larger ones Bags may be provided according to the invention that the device a support rail, which is parallel to the or the transport facilities runs. This will be the Pouch then simply supported.

Zur Anpassung an unterschiedliche Beutelgrößen kann erfindungsgemäß der Abstand zwischen der ersten Transporteinrichtung und der zweiten Transporteinrichtung.verstellbar sein, ebenso der Abstand zwischen der ersten Transporteinrichtung und der Auflageschiene. Insbesondere kann vorgesehen sein, daß bei der Verstellung des Abstands zwischen beiden Transporteinrichtungen gleichzeitig auch der Abstand zu den Aufschlageschienen verändert wird, so daß diese immer beispielsweise mittig zwischen den Transporteinrichtungen liegen.To adapt to different bag sizes can according to the invention the distance between the first transport device and the second transport device. adjustable, as well as the distance between the first transport device and the support rail. In particular, it may be provided that in the adjustment of the distance between the two transport devices at the same time the distance to the Serving rails is changed so that these always, for example centrally between the transport facilities lie.

Die Erfindung schlägt vor, in Transportrichtung gesehen hinter der Stelle, wo die Beutel geöffnet und entnommen werden, eine Ausschiebeeinrichtung für diejenigen Beutel bzw. Beutelstapel vorzusehen, die fehlerhaft sind oder sich fehlerhaft verhalten. Hier können auch die dann nicht mehr benötigten Halteglieder ausgeschoben werden. Bei dieser Ausschiebeeinrichtung kann es sich insbesondere um einen schräg verlaufenden Anschlag handeln, bei dem die Ausschiebewirkung dadurch erreicht wird, daß die Transporteinrichtung die Halteglieder gegen die Schrägfläche bewegt.The invention proposes seen in the transport direction behind the place where the bags are opened and removed be a Ausschiebeeinrichtung for those bags or To provide bag stacks that are faulty or themselves faulty behavior. They can not do any more here either required holding members are pushed out. At this Ausschiebeeinrichtung may be in particular a acting oblique stop, in which the Ausschiebewirkung is achieved in that the transport device moves the holding members against the inclined surface.

Weitere Merkmale, Einzelheiten und Vorzüge der Erfindung ergeben sich aus der folgenden Beschreibung einer bevorzugten Ausführungsform der Erfindung sowie anhand der Zeichnung. Hierbei zeigen:

Fig. 1
eine schematische Aufsicht auf die von der Erfindung vorgeschlagene Vorrichtung zum Zuführen von Beuteln;
Fig. 2
eine Stirnansicht der Vorrichtung von rechts in Fig. 1;
Fig. 3
schematisch die Anordnung von Beuteln auf den beiden Transporteinrichtungen;
Fig. 4
schematisch einen Stapel von Beuteln mit einem geöffneten Beutel auf der Oberseite;
Fig. 5
eine Aufsicht auf einen Teil einer Transporteinrichtung mit vier Halterungen;
Fig. 6
eine teilweise geschnittene Seitenansicht einer Halterung;
Fig. 7
eine Seitenansicht eines Halteglieds.
Further features, details and advantages of the invention will become apparent from the following description of a preferred embodiment of the invention and from the drawing. Hereby show:
Fig. 1
a schematic plan view of the proposed device of the invention for feeding bags;
Fig. 2
an end view of the device from the right in Fig. 1;
Fig. 3
schematically the arrangement of bags on the two transport devices;
Fig. 4
schematically a stack of bags with an open bag on the top;
Fig. 5
a view of a portion of a transport device with four brackets;
Fig. 6
a partially sectioned side view of a holder;
Fig. 7
a side view of a holding member.

Fig. 1 zeigt stark vereinfacht eine verkürzte Aufsicht auf eine Vorrichtung, mit der Beutel von rechts nach links einer Stelle zugeführt werden können, wo der oberste Beutel eines Stapels geöffnet werden kann. Die Vorrichtung enthält eine erste umlaufende Transporteinrichtung 1, beispielsweise eine umlaufende Kette oder einen umlaufenden Riemen, von dem das obere Trum zu sehen ist. Die Kette ist über mehrere Unterstützungsräder und zwei Umlenkräder geführt. Diese Räder sind an einer gemeinsamen Wange gehaltert, die unterhalb der Transporteinrichtung 1 angeordnet ist und in der Zeichnung nicht dargestellt ist. Die Wange ist an zwei Trägern 2 befestigt. Die Träger 2 verlaufen senkrecht zur Transportrichtung, die durch den Pfeil 3 dargestellt ist, und parallel zu dem Boden, auf dem die Vorrichtung aufgestellt ist.Fig. 1 shows a simplified simplified view of a shortened a device with the bag from right to left one Can be fed to where the topmost bag of a Stack can be opened. The device contains a first circulating transport device 1, for example a circulating chain or a rotating belt, of which the upper strand can be seen. The chain is over several support wheels and two deflecting wheels out. These wheels are Held on a common cheek, below the Transport device 1 is arranged and in the drawing not shown. The cheek is on two straps 2 attached. The carriers 2 are perpendicular to the transport direction, which is represented by the arrow 3, and in parallel to the floor on which the device is placed.

An den Trägern 2 ist mit Abstand zu der Transporteinrichtung 1 eine zweite Transporteinrichtung 4 angeordnet, die ähnlich aufgebaut ist wie die erste Transporteinrichtung 1. Auch sie enthält eine umlaufende Kette oder auch einen Riemen. Die Kette ist um zwei Umlenkräder herumgeführt und längs ihrer Länge unterstützt. Auch hierzu ist eine Wange vorgesehen. Diese Wange kann die Träger 2 entlang verschoben werden. Das in Fig. 1 am rechten Ende der Transporteinrichtung 1 angeordnete Umlenkrad ist über eine Welle 5 mit dem entsprechenden Umlenkrad der vorderen Transporteinrichtung 4 verbunden. Dadurch erfolgt eine synchrone Bewegung der beiden Transporteinrichtungen 1, 4.On the carriers 2 is at a distance from the transport device 1, a second transport means 4 arranged similarly is constructed like the first transport device 1. They too contains a revolving chain or a belt. The Chain is led around two deflection wheels and along their Length supported. Again, a cheek is provided. This cheek, the carrier 2 can be moved along. The in Fig. 1 at the right end of the transport device 1 arranged Guide wheel is about a shaft 5 with the corresponding Deflection wheel of the front transport device 4 connected. This results in a synchronous movement of the two transport devices 1, 4.

An der Wange der ersten Transporteinrichtung 1 sind zwei Zapfen 6 angeordnet, an denen zwei parallele Hebel 7 angelenkt sind. Ein ähnlicher Zapfen 8 ist an der der ersten Transporteinrichtung 1 zugewandten Seite der Wange der zweiten Transporteinrichtung 4 angebracht. An diesen Zapfen 8 sind ebenfalls zwei parallele Hebel 9 angelenkt, die im Bereich ihrer Enden mit den beiden ersten Hebeln 7 schwenkbar verbunden sind. Alle Hebel 7, 9 sind gleich lang. Wird der Anlenkpunkt 10 der beiden Paare von Hebeln 7, 9 nach links oder rechts verschoben, so wird der Abstand zwischen den Transporteinrichtungen 1, 4 geändert, wobei die Transporteinrichtungen 1, 4 parallel zueinander bleiben.On the cheek of the first transport device 1 are two Pins 6 are arranged, on which two parallel levers 7 hinged are. A similar pin 8 is at the first Transport device 1 facing side of the cheek of second transport device 4 attached. At this pin 8 are also hinged two parallel lever 9, in the Area of their ends with the two first levers 7 pivotally are connected. All levers 7, 9 are the same length. Will the Anlenkpunkt 10 of the two pairs of levers 7, 9 to the left or shifted to the right, the distance between the Transport devices 1, 4 changed, the transport facilities 1, 4 remain parallel to each other.

Mit dem Anlenkpunkt 10 der beiden Hebelpaare 7, 9 ist eine Schiene 11 verbunden, die in Fig. 1 nur schematisch dargestellt ist. Die Schiene 11 verläuft oberhalb der Hebel 7, 9 und oberhalb der Träger 2. Ihre Oberseite liegt in einer Ebene mit der Oberseite der beiden Transporteinrichtungen 1, 4. Etwa in der Mitte der Längserstreckung der beiden Hebelpaare 7, 9 ist jeweils ein weiterer Zapfen 12 angeordnet. Auf diesen Zapfen 12 können weitere Schienen 13 aufgesetzt werden, die bei einer Änderung des Abstands zwischen den beiden Transporteinrichtungen 1, 4 ebenfalls ihren gegenseitigen Abstand ändern, aber parallel zu den Transporteinrichtungen 1, 4 bleiben. Auch bei dieser Schiene 13 liegt die Oberseite in einer Ebene mit der Oberseite der Transporteinrichtungen 1, 4.With the pivot point 10 of the two pairs of levers 7, 9 is a Rail 11, which is shown only schematically in Fig. 1 is. The rail 11 extends above the lever 7, 9th and above the straps 2. Your top lies in one Plane with the top of the two transport devices 1, 4. Approximately in the middle of the longitudinal extent of the two pairs of levers 7, 9, a further pin 12 is arranged in each case. On this pin 12 more rails 13 can be placed which are changing the distance between the two transport devices 1, 4 also their mutual Change distance, but parallel to the transport facilities 1, 4 remain. Also in this rail 13 is the Top in a plane with the top of the transport facilities 1, 4.

Im Bereich des linken Endes der ersten Transporteinrichtung 1 ist ein Anschlag 14 gebildet, der unter einem Winkel von etwa 30° gegenüber der Längsrichtung der Transporteinrichtung 1 und damit gegenüber der Transportrichtung verläuft. Dieser Anschlag 14 liegt hinter der Stelle, an der die Beutel geöffnet werden.In the region of the left end of the first transport device 1 a stop 14 is formed, which is at an angle of about 30 ° relative to the longitudinal direction of the transport device 1 and thus runs opposite to the transport direction. This Stop 14 is behind the point where the bag be opened.

Fig. 2 zeigt eine Stirnansicht der Vorrichtung der Fig. 1 von rechts in vergrößertem Maßstab. Die Transporteinrichtung 1, die hier vereinfacht als umlaufender Riemen dargestellt ist, ist im Bereich des einen Endes des Trägers 2 fest angeordnet. Der Träger 2 ist an einem Gestell 15 angeordnet.FIG. 2 shows an end view of the device of FIG. 1. FIG from the right in an enlarged scale. The transport device 1, which is simplified here as a circulating belt is fixed in the area of one end of the carrier 2 arranged. The carrier 2 is arranged on a frame 15.

Die zweite Transporteinrichtung 4 ist mit Hilfe einer Halterung 16 verschiebbar an den Trägern 2 gehaltert.The second transport device 4 is by means of a holder 16 slidably supported on the carriers 2.

In der Fig. 2 sind zwei Auflageschienen 13, 11 dargestellt, die zwischen der Oberseite der ersten Transporteinrichtung 1 und der zweiten Transporteinrichtung 4 liegen.2, two support rails 13, 11 are shown, between the top of the first transport device. 1 and the second transport device 4 are located.

Fig. 3 zeigt vereinfacht perspektivisch, wie auf der hinteren und vorderen Transporteinrichtung 1, 4 ein Stapel 17 von Beuteln 18 angeordnet wird, um mit der Vorrichtung transportiert zu werden. Im Bereich ihrer offenen Enden 19 sind die Beutel 18 mit Haltegliedern 20 an der Transporteinrichtung 1 befestigt. Sie liegen auf der zweiten Transporteinrichtung 4 auf, während ihre Enden 21 herabhängen. In dem Raum zwischen der ersten und zweiten Transporteinrichtung 1, 4 können die Beutel von den Auflageschienen 11, 13 unterstützt werden. In dieser Anordnung werden die Stapel der Stelle zugeführt, wo die Beutel geöffnet werden. Fig. 3 shows simplified perspective, as on the rear and front transport device 1, 4 a stack 17 of Bags 18 is arranged to be transported with the device to become. In the area of their open ends 19 are the Bag 18 with holding members 20 on the transport device. 1 attached. They lie on the second transport device. 4 while their ends 21 are hanging down. In the space between the first and second transport means 1, 4, the Bag supported by the support rails 11, 13. In In this arrangement, the stacks are fed to the place where the bags are opened.

Fig. 4 zeigt nun einen Beutelstapel 17, bei dem der oberste Beutel 18 geöffnet ist. Der Beutel 18 weist im Bereich seines offenen Endes eine Lasche 22 auf, die gegenüber der Kante 23 vorsteht. In dieser Lasche sind zwei Löcher 24 eingestanzt, mit der die Beutel 18 auf die Halteglieder 20 aufgereiht sind. Zum Öffnen des Beutels wird beispielsweise mit einem Saugnapf oder einer sonstigen Saugeinrichtung an der oberen Wand des Beutels angegriffen und dieser nach oben bewegt. In die so entstehende Öffnung kann dann der Beutelinhalt eingeführt werden.4 now shows a bag stack 17, in which the uppermost Bag 18 is opened. The bag 18 points in the area of his open end a tab 22, which is opposite to the edge 23rd protrudes. In this tab two holes 24 are punched, with the bags 18 lined up on the support members 20 are. To open the bag, for example, with a Suction cup or other suction device on the top Wall of the bag attacked and this moves up. In the resulting opening then the bag contents can be introduced become.

Fig. 5 zeigt in vergrößertem Maßstab eine Aufsicht auf einen Teil einer Transporteinrichtung, nämlich auf vier in Längsrichtung der Transporteinrichtung hintereinander angeordnete Halterungen 25 für die Halteglieder 20. Jede Halterung 25 wird von einem Winkelelement gebildet, in dessen horizontalem Schenkel ein U-förmiger Einschnitt 26 vorhanden ist. Die Mittelachse zwischen den beiden parallelen Seitenkanten 27 des Einschnitts 26 verläuft senkrecht zur Transportrichtung der Transporteinrichtung. Der vertikale Schenkel 28 der Halterung wird beispielsweise mit Hilfe einer Schraube 29 an dem Kettenglied 30 angeschraubt. Dies ist in Fig. 6 dargestellt. In Fig. 6 verläuft die Transportrichtung senkrecht zur Papierebene. Rechts in Fig. 6 ist die hintere Seite der Transporteinrichtung 1, also auch rechts in Fig. 2. Zwischen der Außenseite des Kettenglieds 30 und der Innenseite des horizontalen Schenkels 31 ist ein Abstand vorhanden, in den der Fuß 32 des Halteglieds 20 hinein paßt. Dies ist gestrichelt in Fig. 6 dargestellt. Der Schaft 33 des Halteglieds wird von den Seitenkanten 27 der Einschnitte 26 umfaßt. Das Halteglied 20 kann nach rechts in Fig. 6 und nach oben in Fig. 5 aus der Halterung 25 entnommen und in der umgekehrten Richtung in diese eingesetzt werden. Fig. 5 shows on an enlarged scale a plan view of a Part of a transport device, namely four in the longitudinal direction the transport device arranged one behind the other Mounts 25 for the holding members 20. Each bracket 25th is formed by an angle element, in its horizontal Leg a U-shaped incision 26 is present. The Central axis between the two parallel side edges 27th of the cut 26 runs perpendicular to the transport direction the transport device. The vertical leg 28 of Holder is for example by means of a screw 29 at bolted to the chain link 30. This is shown in FIG. In Fig. 6, the transport direction is perpendicular to the paper level. Right in Fig. 6, the rear side of the Transport device 1, so also right in Fig. 2. Between the outside of the chain link 30 and the inside of the horizontal leg 31 is a distance exist in the the foot 32 of the holding member 20 fits into it. This is dashed shown in Fig. 6. The shaft 33 of the holding member is encompassed by the side edges 27 of the cuts 26. The Holding member 20 may be to the right in Fig. 6 and up in Fig. 5 taken from the holder 25 and in the reverse Direction can be used in this.

Fig. 7 zeigt wiederum in vergrößertem Maßstab ein Halteglied 20, wie es mit Vorteil von der Erfindung verwendet wird. Das Halteglied 20 ist als zylindrisches Röhrchen 33 mit einem scheibenförmigen Fuß 32 und einem Kopf 36 in Form eines umgekehrten Kegelstumpfs ausgebildet. Der Fuß 32 kann in das untere Ende des Schaftes 33 eingeschraubt werden. Der Kopf 36 kann mit dem oberen Ende des Schaftes 33 verklemmt werden. Während der Durchmesser des Schafts 33 dem Durchmesser der Löcher 24 etwa entspricht, ist der Durchmesser des Kopfs 36 etwas größer. Dadurch wird ein unbeabsichtigtes Lösen der Beutel von einem Stapel verhindert. Dennoch kann, wenn das Material des Beutels etwas nachgiebig ist, der Beutel von dem Stapel gelöst werden. Auch bei einem nicht nachgiebigen Material kann ggf. das Loch aufgerissen werden.Fig. 7 again shows an enlarged scale a holding member 20 as used to advantage by the invention. The Holding member 20 is a cylindrical tube 33 with a disc-shaped foot 32 and a head 36 in the form of a inverted truncated cone formed. The foot 32 can in the lower end of the shaft 33 are screwed. The head 36 can be jammed with the upper end of the shaft 33. While the diameter of the shaft 33 the diameter of the Holes 24 approximately corresponds to the diameter of the head 36 a little bigger. This will cause unintentional release of the Bag from a pile prevented. Nevertheless, if that Material of the bag is somewhat yielding, the bag of the Stack to be solved. Even with a non-compliant Material can possibly be torn open the hole.

Die von der Erfindung vorgeschlagene Vorrichtung arbeitet wie folgt. Die Beutel werden zu Stapeln zusammengefaßt und mit Hilfe der Halteglieder 20 aneinander festgelegt. Anschließend werden die beiden Halteglieder von der in Fig. 3 rechten hinteren Seite, d. h. in Fig. 5 von oben und in Fig. 6 von rechts, in die Einschnitte 26 eingeschoben. Die Beutel werden dabei so orientiert, wie dies in Fig. 3 dargestellt ist. Der nächste Stapel kann dann unmittelbar neben dem vorherigen Stapel angebracht werden, da die Rasterung der Einschnitte 26 relativ klein ist. Beispielsweise entspricht der Abstand zweier Einschnitte 26 der Länge eines Kettenglieds in Transportrichtung, beispielsweise etwa 2,5 cm. Auf diese Weise läßt sich die Länge der Transporteinrichtungen 1, 4 mit nur geringen Zwischenräumen zwischen den Beutelstapeln ausnützen. Die Vorrichtung wird dann betrieben, um die Beutelstapel zu der Stelle zu bringen, wo sie geöffnet werden. Stellt sich heraus, daß sich ein Beutel nicht öffnen läßt, so kann der zugehörige Beutelstapel dadurch aus der Vorrichtung ausgeschieden werden, daß die Vorrichtung einfach weiter transportiert. Dann gelangt der Scahft des in Transportrichtung führenden Halteglieds 20 zur Anlage an dem Anschlag 14, wo er dann nach außen geschoben wird, bis der Schaft 33 außer Eingriff mit der Halterung 25 gelangt.The device proposed by the invention operates as follows. The bags are combined into stacks and with Help the holding members 20 together. Subsequently be the two holding members of the right in Fig. 3 rear side, d. H. in Fig. 5 from above and in Fig. 6 of right, inserted into the incisions 26. The bags will be thereby oriented, as shown in Fig. 3. Of the next stack can then be next to the previous one Stack to be attached, since the screening of the cuts 26th is relatively small. For example, the distance corresponds two incisions 26 of the length of a chain link in the transport direction, for example, about 2.5 cm. In this way can the length of the transport devices 1, 4 with only exploit slight gaps between the bag stacks. The device is then operated to close the bag stacks to bring the place where they are opened. Represents out that a bag can not open, so can the associated bag stack thereby excreted from the device be that the device simply transported on. Then the scafft arrives in the transport direction leading holding member 20 to rest against the stop 14, where he then pushed outward until the shaft 33 except Engagement with the holder 25 passes.

In gleicher Weise werden die Halteglieder 20 auch herausgeschoben, wenn alle Beutel eines Stapels verarbeitet wurden.In the same way, the holding members 20 are also pushed out, when all the bags in a pile have been processed.

Claims (13)

  1. A device for feeding bags (18) to a station for opening the bags (18) having
    1.1 a circulating transport system (1),
    1.2 a large number of holding elements (20) arranged one behind the other, along the transport direction, on the transport system (1), where
    1.3 several bags (18) may be held in the vicinities of their open ends on pairs of holding elements (20) in order to form a stack (17) of bags, characterized in that
    1.4 the holding members (20) are detachably accommodated in holders (25) that
    1.5 are attached to the transport system.
  2. A device according to claim 1, wherein the holders (25) are arranged on a grid whose scale is less than the dimensions of the bags (18), as measured along the transport direction of the transport system (1), and whose scale is preferably small compared to those dimensions.
  3. A device according to any of the foregoing claims, wherein the holders (25) are configured such that
    the holding elements (20) may be released therefrom upon their striking a stop (14).
  4. A device according to any of the foregoing claims, wherein the holding elements (20) are configured in the form of pins.
  5. A device according to any of the foregoing claims, wherein the bags (18) have holes (24) that may be used for putting them onto the holding members (20).
  6. A device according to any of the foregoing claims, wherein the holding members (20) have a head (36) in the shape of an inverted, truncated cone.
  7. A device according to any of the foregoing claims, wherein the holding members (20) have an enlarged foot (32), with which they may be held in place in the holders (25).
  8. A device according to any of the foregoing claims, wherein the holding members (20) are inserted into the holders (25) along a direction transverse to the transport direction.
  9. A device according to any of the foregoing claims having a second circulating transport system (4) arranged parallel to the first transport system that is synchronously driven with respect thereto, and on which the bags (18) rest.
  10. A device according to claim 9, wherein the second transport system (4) has holders (25) for holding elements (20) that are configured such that they enclose stacks (17) of bags between them.
  11. A device according to any of the foregoing claims having at least one supporting rail (11, 13) running parallel to the transport system (1, 4) for supporting the bags (18).
  12. A device according to any of claims 9 - 11, wherein the distance between the first transport system (1) and the supporting rail (11, 13) or between the former and the second transport system (4) may be adjusted.
  13. A device according to any of the foregoing claims having an ejection system for ejecting the holding elements (20), along with the bags (18), if desired.
EP99109913A 1998-05-28 1999-05-20 Apparatus for transporting bags Expired - Lifetime EP0960816B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823875A DE19823875A1 (en) 1998-05-28 1998-05-28 Device for feeding bags
DE19823875 1998-05-28

Publications (2)

Publication Number Publication Date
EP0960816A1 EP0960816A1 (en) 1999-12-01
EP0960816B1 true EP0960816B1 (en) 2004-02-04

Family

ID=7869188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99109913A Expired - Lifetime EP0960816B1 (en) 1998-05-28 1999-05-20 Apparatus for transporting bags

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US (1) US6176366B1 (en)
EP (1) EP0960816B1 (en)
JP (1) JP2000025923A (en)
DE (2) DE19823875A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1231146A1 (en) 2001-02-08 2002-08-14 Grapha-Holding AG Method and apparatus for filling packages made of flexible flat material
EP1279489A2 (en) * 2001-07-27 2003-01-29 Windmöller & Hölscher KG Method and apparatus for removing stacks of bags from a chain of stacked bags
DE10140927A1 (en) * 2001-08-15 2003-02-27 Optima Filling & Packaging Device for supplying a packaging machine with bags

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044233A (en) * 1961-10-09 1962-07-17 Fabricon Products Handling of flexible plastic bags
US3391519A (en) * 1965-10-18 1968-07-09 Amsco Packaging Machinery Inc Bag supporting and retaining means for a packing machine
IL39676A (en) * 1971-06-14 1976-10-31 Yrjoe Suominen Tampere Device for filling shopping bags and a bag for use therewith
US4583349A (en) * 1973-11-14 1986-04-22 Bengt Lundin Ab Method of storing handle bags
GB1540218A (en) * 1975-03-20 1979-02-07 Southalls Ltd Packaging machines
FI58747C (en) * 1978-04-18 1981-04-10 Suominen H S Amerplast ANORDNING FOER UPPHAENGNING AV KOEPKASSAR ELLER DYLIKA I EN KNIPPA
AU4819779A (en) * 1978-06-19 1980-01-03 Gelphen Nominees Pty. Ltd. Bag dispenser
DE3248628A1 (en) * 1982-12-30 1984-07-12 Georg Hartmann Maschinenbau GmbH, 4795 Delbrück Packing machine for bags and method for feeding stacks of bags
DE3505109C1 (en) * 1984-11-19 1986-04-30 Windmöller & Hölscher, 4540 Lengerich Device for stacking flat objects provided with two positioning holes, preferably bags made of plastic film
US4923064A (en) * 1987-03-06 1990-05-08 Stepper, Inc. Newspaper bagging method and apparatus
US4805381A (en) * 1987-03-06 1989-02-21 Stepper, Inc. Newspaper bagging method and apparatus
US5144790A (en) * 1989-11-03 1992-09-08 Tisma Machinery Corporation High speed automatic packaging machine with anti-centrifugal force transport means
FI90228C (en) * 1992-01-13 1994-01-10 Kauko Rautio chain conveyor
DE4218033A1 (en) * 1992-06-02 1993-12-09 Centrotherm Elektrische Anlage Device for the preferably straight transport of parts, workpieces or the like.
DE4231103C2 (en) * 1992-09-17 1995-06-29 Du Pont Deutschland Method for transporting a flexographic printing plate through a processing device and device for producing flexographic printing plates
DE4343674A1 (en) * 1993-12-21 1995-06-22 Rexnord Kette Gmbh & Co Kg Gripper chain
DE19521852C2 (en) * 1995-06-16 1998-07-09 Gevas Verpackungsmaschinen Gmbh Method and device for transporting flexible, bundled bags and for feeding the bag bundles to a filling machine
DE19612708A1 (en) * 1996-03-29 1997-10-02 Rieter Ag Maschf Continuous bobbin sleeve conveyor for ring spinner

Also Published As

Publication number Publication date
EP0960816A1 (en) 1999-12-01
DE19823875A1 (en) 1999-12-02
JP2000025923A (en) 2000-01-25
US6176366B1 (en) 2001-01-23
DE59908445D1 (en) 2004-03-11

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