EP0683099B1 - Device for feeding empty bags to a packaging machine - Google Patents

Device for feeding empty bags to a packaging machine Download PDF

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Publication number
EP0683099B1
EP0683099B1 EP95105896A EP95105896A EP0683099B1 EP 0683099 B1 EP0683099 B1 EP 0683099B1 EP 95105896 A EP95105896 A EP 95105896A EP 95105896 A EP95105896 A EP 95105896A EP 0683099 B1 EP0683099 B1 EP 0683099B1
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EP
European Patent Office
Prior art keywords
carrier
bags
carriers
stack
bag
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
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EP95105896A
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German (de)
French (fr)
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EP0683099A1 (en
Inventor
Ulrich Wald
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.)
Paper Converting Machine GmbH
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Paper Converting Machine GmbH
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Publication date
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Publication of EP0683099A1 publication Critical patent/EP0683099A1/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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines

Definitions

  • the invention relates to a device for feeding empty bags a packaging machine with a bag stack feed, the at least has a holder for fastening a stack of bags according to the preamble of claim 1.
  • the empty bags are in stacks of about 50 to 100 pieces are summarized by means of a chain conveyor of the packaging machine fed.
  • the chain conveyor has bolts that as Serve holders and on which the stack of bags are hung. For this are the bags on their opening side with a protruding tab provided the corresponding holes corresponding to the bolts having.
  • the stack of bags is fed into the packaging machine with the chain conveyor into where the bags are filled individually and from Stack to be torn off. If a stack is torn empty, it drives Chain conveyor one cycle further and introduces the next stack of bags the packaging machine.
  • GB-A-1 188 352 discloses a device for feeding stacks of bags known to a packaging machine that a plurality of has tray-like carriers, each with the holder for attachment a stack of bags are provided as well as with the bag stack feed are releasably connected.
  • tray-like carriers By providing a larger number of tray-like carriers, can Several stacks of bags each for feeding to the packaging machine be prepared so that the operator only works again are needed when all carriers are empty. You can also larger stacks of bags are placed on the tray-like carriers so that the cycle time until the next stack of bags is introduced extended.
  • the memory is replaced by an exchangeable magazine formed in which several carriers can be accommodated simultaneously. So that is it is possible to prepare an appropriate magazine with filled carriers and replace the entire magazine on the machine. This requires considerably less time than exchanging each carrier individually.
  • the carrier is emptied in the packaging machine, and again separated from the bag stack feed. He can be stored again in a memory. It can be the memory for the empty carrier is the same memory, from which the full carrier was removed, but it is advantageous if the empty carrier after stack of bags is removed from it is stored in a further memory.
  • the respective stores can be moved transversely to the storage or retrieval direction, so that both the storage, as well as outsourcing at the same place in the device is possible.
  • the straps can always be straight into the memory be moved in or out of the memory without first need to be redirected on their way to their storage space.
  • the storage device can be a belt conveyor, for example act with two or four on the sides or corners of the wearer attacking conveyor belts move synchronously and the carriers crosswise can be pulled out to this direction of movement. It is but also possible, the individual carriers in the memory directly on top of each other to stack and not to hold on separate slide-in rails. However the carriers cannot separate from each other with separate slide-in rails snag so that they serve operational safety.
  • the carriers for the stack of bags are particularly characterized by that their length can be changed. This has made stacks out Bags with bottom fold have the advantage that the carrying length of the carrier so can be adjusted so that the thicker end of the bag on which the bottom fold is not on the carrier. This prevents that at the end of the stack there is a bulge projecting upwards forms when transporting the stack of bags into the packaging machine and could cause difficulties when filling the bags.
  • the carrier can consist of a smooth sheet that through slidable parts can be shortened, such as from the GB-A-2 088 334 is known.
  • are individual to adjust the carrying length Grate bars can be added on a base frame of the carrier or remove. It has the rust-like formation the advantage that the lying on the carrier Bag through a side retracting into the carrier Machine fork can be reached, so that the Then lower the beam and use a new, full one Bag carriers can be replaced without interrupting operations to cause because in the exchange period the remaining bags on the machine fork lie, be filled.
  • the carrier On the holder for attaching a stack of bags the carrier is advantageously a extending substantially perpendicular to the beam Pen that can be changed in length. Especially this pin can counteract the change in length Have spring element. In cooperation with a corresponding stop on the packaging machine is thus guaranteed that during the stack of bags is processed, the upper edge of the pen does not exceed the level of the top bag. This prevents the pen from entering the interior of the bag protrudes and to be inserted into the bag Can tear open products.
  • Figure 1 shows a feed device according to the invention from empty bags to a packaging machine, not shown.
  • the feeder is through a Protective grille 1 protected against accidental contact.
  • a magazine trolley as shown at the front with reference number 3, be driven into the device.
  • This magazine trolley shows in pairs on its narrow sides mutually assigned slide-in strips 4 on the tray-like described in more detail below Carrier 5 are pushed.
  • the tray-like carriers are checked beforehand by an operator with empty bags busy.
  • the correspondingly filled, inserted into the machine The carriage is then lifted by a 6th raised so that the bottom beam in the direction of the arrow 7 can be removed from the magazine trolley in order to use the To connect the bag stack feed to the packaging machine.
  • An infeed conveyor belongs to the stack of bags 8, which here as a linear longitudinal conveyor is formed, but also by a belt or Chain conveyor could be formed.
  • the carrier is along this infeed conveyor 8 the arrow direction 9 in a packaging machine, not shown introduced. There the carrier is in a bag removal position transported and the on the carrier located bags are filled and from Carrier removed by tearing.
  • the emptied carrier is then again along the direction of the arrow 10 conveyed back by the infeed conveyor 8 and as indicated by arrow 11 in another Magazine car 12 introduced, which also has a corresponding lifting device 13 in height to the Infeed conveyor is customizable.
  • the magazine trolley 12 is lowered or raised so that an empty tray-like carrier after the others placed on a pair of slide-in strips becomes.
  • the first magazine wagon lowered so far by the lifting device 6 that the the next carrier covered with bags removed and into the Packaging machine can be introduced.
  • the empty one Carrier becomes second magazine car 12 again transported.
  • the lifting device 13 places it on the floor and the magazine cart 12 can be operated by an operator be moved out of the device and through an empty magazine cart can be replaced.
  • FIG. 2 and 3 is a corresponding tray-like Carrier 5 shown.
  • the carrier has one rust-like bottom, which consists of several individual bars 14, which rest on a base frame 21.
  • This Individual rods 14 are laterally on pressure pieces at their ends 15 stored so that they can be easily installed or removed can be. This allows the support length adjust the carrier to the bags used. It should be borne in mind that the bags are attached to their closed end usually have a bottom fold and therefore are thicker there than on their other, open end. Because of the length adjustability the thicker end of the wearer hangs freely below and there is no bulge.
  • the tray-like carrier has at its front end Retaining pins 16 in which the stack of bags is suspended becomes. These retaining pins 16 are vertically resiliently mounted. As shown in Figure 4, the Carrier 5 namely during the processing of the bags gradually raised by a cam 17, so that the upper bag level always remains constant, So in the area of the filling mouth 18. Instead of one Cam would also be a spindle or the like possible.
  • the holding pins 16 When lifting, the holding pins 16 also travel upwards and would be less after processing Project the bag into the inside of the bag, i.e. the inside tear open the bag of products to be inserted. Therefore, a stop 19 for these retaining pins 16 intended. He is on the drawing with the filling mouth 18 and is located below the feed path 20 for the products to be packaged. It also hinders not opening the top bag because the top one Bag film is a little shorter than the lower one so not at all up to the holding pins and their stop protrudes. Thus the upper bag film can pass through a suction bar, not shown, or the like be lifted up while the one above lower bag wall still between stop 19 and retaining pins 16 remains fixed. After filling the The bag is then torn away, in the figure 4 So to the left, the film completely from the Holding pins is torn off. That it destroys it is not critical, because the edge of the bag is then is welded and separated.
  • the empty worked carrier is then lowered from the packaging machine, back into the appropriate magazine for empty carriers transferred and then together with this magazine for refilling moved out of the device.
  • FIGS. 6 and 7 there is a resilient holding pin 16 shown in more detail.
  • the holding pin is in a guide 22 out.
  • a dowel pin sits in this guide 23, which protrudes through two slots 24 of the holding pin 16.
  • Located in the hollow interior of the holding pin 16 a spring 25 between the dowel 23rd and the closed cover of the holding pin 16 sits.
  • the holding pin 16 is lowered, the slots slide 24 along the dowel 23 down, thereby the Spring 25 is compressed.
  • the spring 25 pushes him therefore back to its original position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Container Filling Or Packaging Operations (AREA)

Abstract

The bag pile feeder has a number of tray-form carriers (5) which are provided with a holder (16) and detachably connected to the feeder (8). Each carrier, with a pile of bags, before connecting with the feeder, is moved out from a storage transporter (3) containing several carriers. Each of the carriers is withdrawn after bag piling and introduced into another storage transporter (12). The storage transporters contain several magazines in which several carriers are accommodated. <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zum Zuführen von Leerbeuteln zu einer Verpackungsmaschine mit einer Beutelstapelzuführung, die wenigstens einen Halter zur Befestigung eines Beutelstapels aufweist gemäß dem Oberbegriff des Anspruches 1.The invention relates to a device for feeding empty bags a packaging machine with a bag stack feed, the at least has a holder for fastening a stack of bags according to the preamble of claim 1.

Bisher werden die leeren Beutel, die in Stapeln von etwa 50 bis 100 Stück zusammengefaßt sind, mittels eines Kettenförderers der Verpackungsmaschine zugeführt. Der Kettenförderer weist dabei Bolzen auf, die als Halter dienen und an denen die Beutelstapel aufgehängt werden. Hierzu sind die Beutel an ihrer Öffnungsseite mit einer überstehenden Lasche versehen, die entsprechende, mit den Bolzen korrespondierende Löcher aufweist. Mit dem Kettenförderer wird der Beutelstapel in die Verpackungsmachine hineingeführt, wo die Beutel einzeln gefüllt und vom Stapel abgerissen werden. Ist ein Stapel leer gerissen, so fährt der Kettenförderer einen Takt weiter und führt den nächsten Beutelstapel in die Verpackungsmaschine ein.So far, the empty bags are in stacks of about 50 to 100 pieces are summarized by means of a chain conveyor of the packaging machine fed. The chain conveyor has bolts that as Serve holders and on which the stack of bags are hung. For this are the bags on their opening side with a protruding tab provided the corresponding holes corresponding to the bolts having. The stack of bags is fed into the packaging machine with the chain conveyor into where the bags are filled individually and from Stack to be torn off. If a stack is torn empty, it drives Chain conveyor one cycle further and introduces the next stack of bags the packaging machine.

Das Belegen des Kettenförderers mit neuen Beutelstapeln erfolgt bisher immer manuell, wobei wegen der hohen Taktzahl der Verpackungsmaschine der Bediener schon nach etwa 1 1/2 Minuten den nächsten Stapel auflegen muß. Falls eine Auflage von zwei oder mehr Beutelstapeln auf den Kettenförderer möglich ist, verlängert sich die Zeit zwischen einzelnen Bedienungen entsprechend. Um eine Verpackungsmaschine kontinuierlich laufen lassen zu können, ist also ständig ein Bediener an die Maschine gebunden.So far, the chain conveyor has been loaded with new stacks of bags always manual, due to the high number of cycles of the packaging machine the operator can start the next batch after about 1 1/2 minutes must hang up. If a run of two or more stacks of bags is possible on the chain conveyor, the time between according to individual operations. To a packaging machine Being able to run continuously is therefore always an operator the machine tied.

Aus der GB-A-1 188 352 ist eine Vorrichtung zum Zuführen von Beutelstapeln zu einer Verpackungsmaschine bekannt, die eine Mehrzahl von tablettartigen Trägern aufweist, die jeweils mit dem Halter zur Befestigung eines Beutelstapels versehen sind sowie mit der Beutelstapelzuführung lösbar zu verbinden sind.GB-A-1 188 352 discloses a device for feeding stacks of bags known to a packaging machine that a plurality of has tray-like carriers, each with the holder for attachment a stack of bags are provided as well as with the bag stack feed are releasably connected.

Indem eine größere Zahl von tablettartigen Trägern vorgesehen ist, können jeweils mehrere Beutelstapel für die Zuführung zur Verpackungsmaschine vorbereitet werden, so daß der Bediener erst dann wieder tätig zu werden braucht, wenn alle Träger leer gearbeitet sind. Außerdem können auf den tablettartigen Trägern größere Beutelstapel untergebracht werden, so daß sich die Taktzeit bis zum Einbringen des nächsten Beutelstapels verlängert.By providing a larger number of tray-like carriers, can Several stacks of bags each for feeding to the packaging machine be prepared so that the operator only works again are needed when all carriers are empty. You can also larger stacks of bags are placed on the tray-like carriers so that the cycle time until the next stack of bags is introduced extended.

Hiervon ausgehend ist es Aufgabe der vorliegenden Erfindung, den manuellen Arbeitseinsatz an der Verpackungsmaschine weiter zu verringern, wobei sich gleichzeitig der Platzbedarf nicht vergrößern soll.Proceeding from this, it is an object of the present invention, the manual Further reduce labor on the packaging machine, the space requirement should not increase at the same time.

Dies ist erfindungsgemäß bei einer gattungsgemäßen Vorrichtung dadurch zu erreichen, daß ein mit einem Beutelstapel versehener Träger vor der Verbindung mit dem Einlaufförderer der Beutelstapelzuführung in einem mehrere Träger enthaltenden Speicher der Vorrichtung aufgenommen und aus diesem auslagerbar ist. So kann erricht werden, daß eine einfachere Kinematik für den Transport eines Beutelstapels ohne weitere Übergaben möglich ist. Erfindungsgemäß wird der Speicher durch ein wechselbares Magazin gebildet, in dem mehrere Träger gleichzeitig aufnehmbar sind. Damit ist es möglich, ein entsprechendes Magazin mit gefüllten Trägern vorzubereiten und das komplette Magazin an der Maschine auszutauschen. Dies erfordert erheblich weniger Zeit, als jeden Träger einzeln zu tauschen.This is according to the invention in a generic device in that one with one Bag stack provided carrier before connection to the infeed conveyor of the bag stack feed in a multi-carrier memory of the device is added and can be removed from it. So it can be established that a Simpler kinematics for the transport of a stack of bags without further handovers is possible. According to the invention, the memory is replaced by an exchangeable magazine formed in which several carriers can be accommodated simultaneously. So that is it is possible to prepare an appropriate magazine with filled carriers and replace the entire magazine on the machine. This requires considerably less time than exchanging each carrier individually.

Hier ist auch ein wesentlicher Unterschied zur DE-U- 92 00 372 zu sehen, die eine vergleichbare Verpackungsmaschine zeigt, bei der aber die Träger nur innerhalb der Maschine zu befüllen sind, mit der sie dabei verbunden bleiben.There is also a significant difference to DE-U-92 00 372, which shows a comparable packaging machine, but where the Carriers are only to be filled within the machine with which they are being carried stay connected.

Bei der Erfindung wird der Träger in der Verpackungsmaschine leergearbeitet, und wieder von der Beutelstapelzuführung getrennt. Er kann wieder in einen Speicher eingelagert werden. Dabei kann es sich bei dem Speicher für den leeren Träger zwar um den selben Speicher handeln, aus dem der volle Träger entnommen wurde, es ist aber vorteilhaft, wenn der leere Träger, nachdem Beutelstapel von ihm entnommen ist, in einem weiteren Speicher eingelagert wird.In the invention, the carrier is emptied in the packaging machine, and again separated from the bag stack feed. He can be stored again in a memory. It can be the memory for the empty carrier is the same memory, from which the full carrier was removed, but it is advantageous if the empty carrier after stack of bags is removed from it is stored in a further memory.

Damit die Entnahme oder Auslagerung des gefüllten Trägers bzw. die Einlagerung des geleerten Trägers in die jeweiligen Speicher auf einfache Weise erfolgen kann, können die jeweiligen Speicher quer zur Einlager- bzw. Auslagerrichtung verfahrbar sein, so daß sowohl das Einlagern, als auch das Auslagern jeweils an der gleichen Stelle in der Vorrichtung möglich ist. So können die Träger immer gerade in den Speicher hinein- bzw. aus dem Speicher herausgefahren werden, ohne erst auf ihrem Weg zu ihrem Speicherplatz umgelenkt werden zu müssen.So that the removal or removal of the filled carrier or Storage of the empty carrier in the respective storage in simple Way, the respective stores can be moved transversely to the storage or retrieval direction, so that both the storage, as well as outsourcing at the same place in the device is possible. This way, the straps can always be straight into the memory be moved in or out of the memory without first need to be redirected on their way to their storage space.

Bei dem Speicher kann es sich beispielsweise um einen Bandförderer handeln, bei dem sich zwei oder vier an den Seiten oder Ecken des Trägers angreifende Förderbänder synchron bewegen und die Träger quer zu dieser Bewegungsrichtung herausgezogen werden können. Es ist aber auch möglich, die einzelnen Träger im Speicher direkt aufeinander zu stapeln und nicht auf separaten Einschubleisten zu halten. Jedoch können sich die Träger bei separaten Einschubleisten nicht miteinander verhaken, so daß diese der Betriebssicherheit dienen.The storage device can be a belt conveyor, for example act with two or four on the sides or corners of the wearer attacking conveyor belts move synchronously and the carriers crosswise can be pulled out to this direction of movement. It is but also possible, the individual carriers in the memory directly on top of each other to stack and not to hold on separate slide-in rails. However the carriers cannot separate from each other with separate slide-in rails snag so that they serve operational safety.

Die Träger für die Beutelstapel zeichnen sich insbesondere dadurch aus, daß sie in ihrer Traglänge veränderbar sind. Dies hat bei Stapeln aus Beuteln mit Bodenfalte den Vorteil, daß die Traglänge des Trägers so eingestellt werden kann, daß das dickere Ende der Beutel, an dem sich die Bodenfalte befindet, nicht auf dem Träger aufliegt. Damit wird verhindert, daß sich am Stapelende ein nach oben vorspringender Wulst bildet, der beim Transport des Beutelstapels in die Verpackungsmaschine sowie beim Befüllen der Beutel zu Schwierigkeiten führen könnte.The carriers for the stack of bags are particularly characterized by that their length can be changed. This has made stacks out Bags with bottom fold have the advantage that the carrying length of the carrier so can be adjusted so that the thicker end of the bag on which the bottom fold is not on the carrier. This prevents that at the end of the stack there is a bulge projecting upwards forms when transporting the stack of bags into the packaging machine and could cause difficulties when filling the bags.

Der Träger kann dabei aus einem glatten Blech bestehen, das durch verschiebbare Teile verkürzbar ist, wie es beispielsweise aus der GB-A-2 088 334 bekannt ist. Bei einer bevorzugten Ausführungsform, bei der aber der tablettartige Träger durch einen seitlich offenen Rost gebildet ist, sind zur Einstellbarkeit der Traglänge einzelne Roststangen auf einem Grundrahmen des Trägers hinzufügbar oder zu entfernen. Dabei hat die rostartige Ausbildung den Vorteil, daß die auf dem Träger liegenden Beutel durch eine seitlich in den Träger einfahrende Maschinengabel untergriffen werden können, so daß der Träger dann abzusenken ist und mit einem neuen, vollen Beutelträger ausgetauscht werden kann ohne eine Betriebsunterbrechung zu bewirken, weil in der Austauschzeit noch die restlichen Beutel, die auf der Maschinengabel liegen, gefüllt werden.The carrier can consist of a smooth sheet that through slidable parts can be shortened, such as from the GB-A-2 088 334 is known. In a preferred embodiment, but in the tray-like carrier through a laterally open grate is formed, are individual to adjust the carrying length Grate bars can be added on a base frame of the carrier or remove. It has the rust-like formation the advantage that the lying on the carrier Bag through a side retracting into the carrier Machine fork can be reached, so that the Then lower the beam and use a new, full one Bag carriers can be replaced without interrupting operations to cause because in the exchange period the remaining bags on the machine fork lie, be filled.

Bei dem Halter zur Befestigung eines Beutelstapels auf dem Träger handelt es sich vorteilhafterweise um einen sich im wesentlichen senkrecht zum Träger erstreckenden Stift, der in seiner Länge veränderbar ist. Insbesondere kann dieser Stift ein der Längenveränderung entgegenwirkendes Federelement aufweisen. Im Zusammenwirken mit einem entsprechenden Anschlag an der Verpackungsmaschine ist so gewährleistet, daß während der Beutelstapel abgearbeitet wird, die obere Kante des Stiftes nicht über das Niveau des obersten Beutels hinausragt. So wird verhindert, daß der Stift in den Beutelinnenraum hineinragt und in den Beutel hineinzuschiebende Produkte aufreißen kann.On the holder for attaching a stack of bags the carrier is advantageously a extending substantially perpendicular to the beam Pen that can be changed in length. Especially this pin can counteract the change in length Have spring element. In cooperation with a corresponding stop on the packaging machine is thus guaranteed that during the stack of bags is processed, the upper edge of the pen does not exceed the level of the top bag. This prevents the pen from entering the interior of the bag protrudes and to be inserted into the bag Can tear open products.

Weiter Vorteile und Merkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispieles. Dabei zeigt

Figur 1
eine erfindungsgemäße Zuführvorrichtung in einer Ansicht von schräg oben;
Figur 2
die Seitenansicht eines zur Erfindung gehörenden Trägers;
Figur 3
die Aufsicht auf einen Träger entsprechend Figur 2;
Figur 4
einen erfindungsgemäßen Träger in der Verpackungsmaschine in Seitenansicht;
Figur 5
einen erfindungsgemäßen Träger in der Verpackungsmaschine in Vorderansicht;
Figur 6 und 7
einen Haltestift für Beutelstapel, wie er an einem Träger befestigt ist.
Further advantages and features of the invention result from the following description of an exemplary embodiment. It shows
Figure 1
a feed device according to the invention in an oblique view from above;
Figure 2
the side view of a carrier belonging to the invention;
Figure 3
the supervision of a carrier according to Figure 2;
Figure 4
a carrier according to the invention in the packaging machine in side view;
Figure 5
a carrier according to the invention in the packaging machine in front view;
Figures 6 and 7
a stacking pin for holding bags as it is attached to a carrier.

Figur 1 zeigt eine erfindungsgemäße Zuführvorrichtung von Leerbeuteln zu einer nicht näher dargestellten Verpackungsmaschine. Die Zuführvorrichtung ist durch ein Schutzgitter 1 vor ungewollter Berührung geschützt. Nach Öffnen einer Gittertür 2 kann ein Magazinwagen, wie er vorne mit dem Bezugszeichen 3 dargestellt ist, in die Vorrichtung hineingefahren werden.Figure 1 shows a feed device according to the invention from empty bags to a packaging machine, not shown. The feeder is through a Protective grille 1 protected against accidental contact. After opening a lattice door 2, a magazine trolley, as shown at the front with reference number 3, be driven into the device.

Dieser Magazinwagen weist an seinen Schmalseiten paarweise einander zugeordnete Einschubleisten 4 auf, auf die weiter unten näher beschriebene tablettartige Träger 5 geschoben werden. Die tablettartigen Träger werden vorher durch eine Bedienperson mit Leerbeuteln belegt. Der entsprechend gefüllte, in die Maschine eingeschobene Wagen wird dann durch eine Hubvorrichtung 6 angehoben, so daß der unterste Träger in Pfeilrichtung 7 aus dem Magazinwagen zu entnehmen ist, um ihn mit der Beutelstapelzuführung zur Verpackungsmaschine zu verbinden. Zu der Beutelstapelzuführung gehört ein Einlaufförderer 8, der hier als linearer Längsförderer ausgebildet ist, aber auch durch einen Gurt- oder Kettenförderer gebildet werden könnte. This magazine trolley shows in pairs on its narrow sides mutually assigned slide-in strips 4 on the tray-like described in more detail below Carrier 5 are pushed. The tray-like carriers are checked beforehand by an operator with empty bags busy. The correspondingly filled, inserted into the machine The carriage is then lifted by a 6th raised so that the bottom beam in the direction of the arrow 7 can be removed from the magazine trolley in order to use the To connect the bag stack feed to the packaging machine. An infeed conveyor belongs to the stack of bags 8, which here as a linear longitudinal conveyor is formed, but also by a belt or Chain conveyor could be formed.

Der Träger wird über diesen Einlaufförderer 8 entlang der Pfeilrichtung 9 in eine nicht dargestellte Verpackungsmaschine eingeführt. Dort wird der Träger in eine Beutelentnahmeposition transportiert und die auf dem Träger befindlichen Beutel werden gefüllt und vom Träger durch Abreißen entfernt.The carrier is along this infeed conveyor 8 the arrow direction 9 in a packaging machine, not shown introduced. There the carrier is in a bag removal position transported and the on the carrier located bags are filled and from Carrier removed by tearing.

Der geleerte Träger wird dann wieder entlang der Pfeilrichtung 10 vom Einlaufförderer 8 zurückgefördert und wie mit dem Pfeil 11 angedeutet in einen weiteren Magazinwagen 12 eingeführt, der ebenfalls über eine entsprechende Hubvorrichtung 13 in seiner Höhe an den Einlaufförderer anpaßbar ist. Über die Hubvorrichtung 13 wird der Magazinwagen 12 dabei so abgesenkt bzw. angehoben, daß ein leerer tablettartiger Träger nach dem anderen jeweils auf ein Paar von Einschubleisten abgelegt wird. Gleichzeitig wird der erste Magazinwagen durch die Hubvorrichtung 6 soweit abgesenkt, daß der nächste mit Beuteln belegte Träger entnommen und in die Verpackungsmaschine eingeführt werden kann. Der leere Träger wird wieder zum zweiten Magazinwagen 12 transportiert.The emptied carrier is then again along the direction of the arrow 10 conveyed back by the infeed conveyor 8 and as indicated by arrow 11 in another Magazine car 12 introduced, which also has a corresponding lifting device 13 in height to the Infeed conveyor is customizable. About the lifting device 13 the magazine trolley 12 is lowered or raised so that an empty tray-like carrier after the others placed on a pair of slide-in strips becomes. At the same time, the first magazine wagon lowered so far by the lifting device 6 that the the next carrier covered with bags removed and into the Packaging machine can be introduced. The empty one Carrier becomes second magazine car 12 again transported.

Nachdem der Magazinwagen 12 mit leeren Trägern gefüllt ist, stellt ihn die Hubvorrichtung 13 auf dem Boden ab und der Magazinwagen 12 kann durch eine Bedienperson aus der Vorrichtung herausgefahren werden und durch einen leeren Magazinwagen ersetzt werden.After the magazine trolley 12 is filled with empty carriers the lifting device 13 places it on the floor and the magazine cart 12 can be operated by an operator be moved out of the device and through an empty magazine cart can be replaced.

Die leeren Träger des Magazinwagens 12 werden dann wieder mit Beutelstapeln belegt und der derart gefüllte Magazinwagen wird dann gegen den erstgenannten Magazinwagen ausgetauscht, wenn aus diesem alle Träger entnommen sind.The empty carriers of the magazine carriage 12 are then again stacked with bags and the filled one Magazine car is then against the first magazine car exchanged when all carriers are removed from it are.

In den Figuren 2 und 3 ist ein entsprechender tablettartiger Träger 5 dargestellt. Der Träger hat einen rostartigen Boden, der aus mehreren Einzelstäben 14 besteht, die auf einem Grundrahmen 21 aufliegen. Diese Einzelstäbe 14 sind an ihren Enden seitlich auf Druckstücken 15 gelagert, so daß sie leicht ein- oder ausgebaut werden können. Dadurch läßt sich die Stützlänge des Trägers auf die verwendeten Beutel einstellen. Hierbei ist zu berücksichtigen, daß die Beutel an ihrem geschlossenen Ende üblicherweise eine Bodenfalte aufweisen und deshalb dort dicker sind als an ihrem anderen, offenen Ende. Aufgrund der Längeneinstellbarkeit des Trägers hängt somit dieses dickere Ende frei nach unten und es bildet sich kein auftragender Wulst.In Figures 2 and 3 is a corresponding tray-like Carrier 5 shown. The carrier has one rust-like bottom, which consists of several individual bars 14, which rest on a base frame 21. This Individual rods 14 are laterally on pressure pieces at their ends 15 stored so that they can be easily installed or removed can be. This allows the support length adjust the carrier to the bags used. It should be borne in mind that the bags are attached to their closed end usually have a bottom fold and therefore are thicker there than on their other, open end. Because of the length adjustability the thicker end of the wearer hangs freely below and there is no bulge.

Aus der in der Figur 2 dargestellten Seitenansicht des Trägers 5 ist zu erkennen, daß dessen Seitenwände geschlitzt sind. Dadurch wird erreicht, daß der Träger schon bevor der letzte Beutel von ihm abgenommen worden ist, aus der Maschine entfernt werden kann. Dazu fährt ein- oder beidseits eine Maschinengabel in diese Schlitze der Seitenwände hinein und untergreift den Reststapel von Beuteln. Der Träger 5 kann dann abgesenkt werden und ohne daß eine Betriebsunterbrechung notwendig ist, durch einen neuen, vollen Beutelträger ersetzt werden.From the side view of the Carrier 5 can be seen that its side walls are slotted are. This ensures that the carrier even before the last bag was removed from him can be removed from the machine. Go to it a machine fork in one or both sides Slits in the side walls and under the Remaining stack of bags. The carrier 5 can then be lowered and without a business interruption is necessary with a new, full bag carrier be replaced.

An seinem vorderen Ende weist der tablettartige Träger Haltestifte 16 auf in die der Beutelstapel eingehängt wird. Diese Haltestifte 16 sind vertikal federnd gelagert. Wie in der Figur 4 dargestellt ist, wird der Träger 5 nämlich während des Abarbeitens der Beutel allmählich durch eine Kurvenscheibe 17 hochgefahren, damit das obere Beutelniveau immer konstant bleibt, also im Bereich des Füllmundes 18. Anstelle einer Kurvenscheibe wäre aber auch eine Spindel oder ähnliches möglich.The tray-like carrier has at its front end Retaining pins 16 in which the stack of bags is suspended becomes. These retaining pins 16 are vertically resiliently mounted. As shown in Figure 4, the Carrier 5 namely during the processing of the bags gradually raised by a cam 17, so that the upper bag level always remains constant, So in the area of the filling mouth 18. Instead of one Cam would also be a spindle or the like possible.

Beim Anheben fahren aber auch die Haltestifte 16 mit nach oben und würden bereits nach Abarbeitung weniger Beutel in den Beutelinnenraum hineinragen, also die in den Beutel hineinzuschiebenden Produkte aufreißen. Deshalb ist ein Anschlag 19 für diese Haltestifte 16 vorgesehen. Er ist auf der Zeichnung mit dem Füllmund 18 zu erkennen und liegt unterhalb der Zuführbahn 20 für die zu verpackenden Produkte. Er behindert auch nicht das Öffnen des obersten Beutels, weil die obere Beutelfolie etwas kürzer ausgebildet ist als die untere also gar nicht bis zu den Haltestiften und deren Anschlag ragt. Somit kann die obere Beutelfolie durch eine nicht dargestellte Saugleiste oder dergleichen hochgehoben werden, während die weiter vorstehende untere Beutelwand noch zwischen Anschlag 19 und Haltestiften 16 fixiert bleibt. Nach der Befüllung des Beutels wird der Beutel dann weggerissen, bei der Figur 4 also nach links, wobei die Folie vollständig von den Haltestiften abgerissen wird. Daß sie dabei zerstört wird, ist unkritisch, weil der Beutelrand anschließend verschweißt und abgetrennt wird.When lifting, the holding pins 16 also travel upwards and would be less after processing Project the bag into the inside of the bag, i.e. the inside tear open the bag of products to be inserted. Therefore, a stop 19 for these retaining pins 16 intended. He is on the drawing with the filling mouth 18 and is located below the feed path 20 for the products to be packaged. It also hinders not opening the top bag because the top one Bag film is a little shorter than the lower one so not at all up to the holding pins and their stop protrudes. Thus the upper bag film can pass through a suction bar, not shown, or the like be lifted up while the one above lower bag wall still between stop 19 and retaining pins 16 remains fixed. After filling the The bag is then torn away, in the figure 4 So to the left, the film completely from the Holding pins is torn off. That it destroys it is not critical, because the edge of the bag is then is welded and separated.

Der leer gearbeitete Träger wird dann abgesenkt, aus der Verpackungsmaschine herausgefahren, zurück in das entsprechende Magazin für leere Träger überführt und dann zusammen mit diesem Magazin zur erneuten Befüllung aus der Vorrichtung herausgefahren.The empty worked carrier is then lowered from the packaging machine, back into the appropriate magazine for empty carriers transferred and then together with this magazine for refilling moved out of the device.

In den Figuren 6 und 7 ist ein federnder Haltestift 16 genauer dargestellt. Der Haltestift ist in einer Führung 22 geführt. In dieser Führung sitzt ein Paßstift 23, der durch zwei Schlitze 24 des Haltestiftes 16 hindurchragt. Im hohlen Inneren des Haltestiftes 16 befindet sich eine Feder 25, die zwischen dem Paßstift 23 und dem geschlossenen Deckel des Haltestiftes 16 sitzt. Beim Absenken des Haltestiftes 16 gleiten die Schlitze 24 entlang des Paßstiftes 23 nach unten, wodurch die Feder 25 zusammengedrückt wird. Wenn der Druck auf den Haltestift 16 nachläßt, schiebt die Feder 25 ihn deswegen in seine Ursprungsposition zurück.In FIGS. 6 and 7 there is a resilient holding pin 16 shown in more detail. The holding pin is in a guide 22 out. A dowel pin sits in this guide 23, which protrudes through two slots 24 of the holding pin 16. Located in the hollow interior of the holding pin 16 a spring 25 between the dowel 23rd and the closed cover of the holding pin 16 sits. When the holding pin 16 is lowered, the slots slide 24 along the dowel 23 down, thereby the Spring 25 is compressed. When the pressure on the Holding pin 16 subsides, the spring 25 pushes him therefore back to its original position.

Claims (7)

  1. Apparatus for feeding empty bags to a packaging machine with a bag stack feeder which comprises a plurality of tray-like carriers (5), that are each equipped with a holder (16) to secure a slack of bags and that have to be detachably connected to a feed conveyor (8) of the bag stack feeder,
    characterised in that
    a carrier (5), equipped with a stack of bags, can be accommodated in a storage unit (3), of the apparatus, containing several carriers (5) and removed from there prior to attachment to the feed conveyor (8) of the bag stack feeder,
    wherein the storage unit is constructed as an exchangeable magazine (3, 12) in which several carriers (5) can be accommodated simultaneously.
  2. Apparatus according to claim 1 characterised in that a carrier (5), after removal of a bag stack, can be placed in a storage unit (12).
  3. Apparatus according to claim 1 characterised in that the storage unit (3, 12) is transportable transversely to the a storage deposit (11) and/or storage removal (7) direction, and deposit into and/or removal from storage is possible at the same location.
  4. Apparatus according to claim 1, wherein the carriers (5) in the storage unit are directly stacked on top of one another.
  5. Carrier for a feeding device according to claim 1, the horizontal-lying carrying length of which can be altered, characterised in that the tray-like carrier (5) is constructed of a laterally open grate, and individual grate rods (14) can be added to or removed from a base frame (21) to change the carrying length.
  6. Carrier according to claim 5, characterised in that the holder (16) to secure a stack of bags is a pin extending essentially perpendicular to the carrier, the pin being changeable in length.
  7. Carrier according to claim 6, characterised in that the pin (16) possesses a spring element acting in opposition to changes in length.
EP95105896A 1994-05-20 1995-04-20 Device for feeding empty bags to a packaging machine Expired - Lifetime EP0683099B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4417689 1994-05-20
DE4417689A DE4417689A1 (en) 1994-05-20 1994-05-20 Empty bag feed for packaging machine

Publications (2)

Publication Number Publication Date
EP0683099A1 EP0683099A1 (en) 1995-11-22
EP0683099B1 true EP0683099B1 (en) 1998-08-05

Family

ID=6518568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95105896A Expired - Lifetime EP0683099B1 (en) 1994-05-20 1995-04-20 Device for feeding empty bags to a packaging machine

Country Status (5)

Country Link
US (1) US5595468A (en)
EP (1) EP0683099B1 (en)
AT (1) ATE169278T1 (en)
DE (2) DE4417689A1 (en)
ES (1) ES2119260T3 (en)

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DE102011101514B4 (en) * 2011-05-13 2025-03-27 Jörg von Seggern Maschinenbau GmbH Device for separating packaging containers forming container stacks
CN103803119B (en) * 2013-01-17 2016-04-27 常州先进制造技术研究所 Automatic continuous is for bagging apparatus
US11136818B2 (en) * 2017-05-25 2021-10-05 Peter Zwierzykowski Universal pallets for storage and display
JP6871668B2 (en) * 2017-11-20 2021-05-12 Ｐａｃｒａｆｔ株式会社 Bag body supply system and bag body supply method
JP6976826B2 (en) * 2017-11-20 2021-12-08 Ｐａｃｒａｆｔ株式会社 Bag body stocker and bag body supply method

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Also Published As

Publication number Publication date
DE4417689A1 (en) 1995-11-23
ES2119260T3 (en) 1998-10-01
US5595468A (en) 1997-01-21
DE59503047D1 (en) 1998-09-10
EP0683099A1 (en) 1995-11-22
ATE169278T1 (en) 1998-08-15

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