EP2121495B1 - Scaling device - Google Patents

Scaling device Download PDF

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Publication number
EP2121495B1
EP2121495B1 EP07856777A EP07856777A EP2121495B1 EP 2121495 B1 EP2121495 B1 EP 2121495B1 EP 07856777 A EP07856777 A EP 07856777A EP 07856777 A EP07856777 A EP 07856777A EP 2121495 B1 EP2121495 B1 EP 2121495B1
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EP
European Patent Office
Prior art keywords
belt
bag
transporting
pressure
bags
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.)
Active
Application number
EP07856777A
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German (de)
French (fr)
Other versions
EP2121495A1 (en
Inventor
Hartmut Odenthal
Jakob Schneider
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.)
Lemo Maschinenbau GmbH
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Lemo Maschinenbau GmbH
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Priority to PL07856777T priority Critical patent/PL2121495T3/en
Publication of EP2121495A1 publication Critical patent/EP2121495A1/en
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream
    • B65H29/6618—Advancing articles in overlapping streams forming an overlapping stream upon transfer from a first conveyor to a second conveyor advancing at slower speed
    • B65H29/6627—Advancing articles in overlapping streams forming an overlapping stream upon transfer from a first conveyor to a second conveyor advancing at slower speed in combination with auxiliary means for overlapping articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/67—Other elements in face contact with handled material rotating around an axis parallel to face of material and parallel to transport direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1313—Edges trailing edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/191—Bags, sachets and pouches or the like

Definitions

  • the present invention relates to a device for the shingled depositing of bags arriving in immediate succession from a bag making machine.
  • Bag making machines which produce a continuous web of bags, in particular made of plastic.
  • a certain number of bags is wound in the form of a roll.
  • One possibility is to perforate the web transversely between two bags and to wind the desired length in a coherent manner.
  • the individual bags are separated and scaled, so roof tile-like wound with a certain overlap, see. to EP 1 273 540 A , For this it is necessary to store the individual bags scaled.
  • a device for the shingled depositing of immediately consecutive incoming bags is from the German patent application 25 34 298 A1 known.
  • a transfer conveyor is disclosed, which receives the bags by means of pliers and deposits on a train or belt conveyor.
  • the speed of the transfer conveyor has a sinusoidal course.
  • the transfer conveyor picks up the bags at maximum speed and lays them down at minimal speed so that there is overlap on the belt or belt conveyor.
  • the disadvantage of this known from the prior art solution is the complex structure of the transfer conveyor and its control with variable speed. It is therefore the object of the present invention to provide a device for the shingled depositing of immediately successive arriving bags, which does not have the aforementioned disadvantages.
  • the device according to the invention has a conveyor belt and a pressure belt extending at least partially parallel to the conveyor belt at a small distance.
  • the device additionally has at least one impact arm immediately in front of the conveyor belt, wherein by means of the impact arm, a force on the end of each bag is exercisable, which presses the end of the bag below the level of the transport surface of the conveyor belt.
  • the conveying speed of the conveyor belt corresponds to the speed of the pressure belt.
  • the conveying speed is less than the feed rate at which the bags leave the bag making machine. The greater the difference between the speed of the conveyor belt and the feed rate, the greater the overlap of two successive bags.
  • the distance between the conveyor belt and the pressure belt is selected so that a lying on the conveyor belt bag in the area in which the pressure belt is parallel to the conveyor belt, clamped between the conveyor belt and the pressure belt and thus fixed. This prevents the bag from slipping off the conveyor belt when the striking arm exerts a force on the bag end.
  • a roller is fastened to the side of the striking arm which comes into contact with the bag end. While the impact arm is acting on the bag, the roll rolls on the bag material. This reduces the friction between the striking arm and the bag and reduces the risk of damaging the bag.
  • the striking arm is rotatably mounted about one end and its axis of rotation is parallel to the transport direction of the bag.
  • the impact arm rotates in a plane that is perpendicular to the Transport direction is.
  • the striking arm hits the bag parallel to the edge at the bag end.
  • the rotation about one end of the beater arm makes it possible to rotate the beater arm at a constant angular velocity as a function of and in relation to the conveying speed of the bags.
  • two or more beater arms are interconnected and rotatably mounted about a common pivot point.
  • the axis of rotation of the beater arm is at the level of the bag. As a result, the entire contact surface of the hammer strikes simultaneously on the bag end.
  • the device has two oppositely and synchronously rotatable striking arms.
  • a striking arm is arranged on each side of the bag path. The rotation of the striking arms is synchronized in such a way that both striking arms impinge simultaneously on the bag end.
  • the device has a pressure roller of the pressure belt for generating a wedge-shaped feed between the conveyor belt and the pressure belt.
  • the wedge-shaped feed guides the leading edge of the next incoming bag to the conveyor.
  • the pressure roller and the pressure roller adjoining part of the Anyakbandes fix the bag on the conveyor belt.
  • the position of the pressure roller of the pressure belt in the transport direction is preferably variable.
  • the depth of the wedge-shaped feeder and the position on the conveyor belt from which a bag is fixed adjustable.
  • the position of the pressure roller is adjustable, for example, depending on the format of the bag.
  • the transport surface of the conveyor belt in the transport direction relative to the horizontal plane is inclined at least partially downwards and arranged the pivot point of the impact arm higher than the impact arm facing the end of the conveyor belt. This ensures that the leading edge of an incoming bag comes to rest on the conveyor belt. If a wedge-shaped indentation is formed by a pressure roller of the pressure belt with the conveyor belt, the leading edge of the incoming bag enters the wedge-shaped intake.
  • the invention comprises a suction device under the conveyor belt.
  • a suction device under the conveyor belt.
  • the device has a transverse cutter arranged in the transport direction of the bags in front of the striking arm.
  • incoming bags in the form of a continuous web are separated from each other.
  • FIG. 1 shows the side view of a device 1 for the shingled storage of bags 6.
  • the device 1 has a conveyor belt 2, a pressure belt 3, two impact arms 4, a pinch roller 5, a Rapport identifier 7, a feed roller pair 8, a cross cutter 9 and feed belts 10.
  • the pressure roller 5 presses the pressure belt 3 against the conveyor belt 2.
  • the bags 6 are conveyed by cylinder tapes coming to the conveyor belt 2, where the bags are stored 6 maruppt. Seen in the transport direction in front of the pinch roller 5, the conveyor belt 2 and the pressure belt 3 form a wedge-shaped feeder. From the pinch roller 5, the conveyor belt 2 and the pressure belt 3 piece by piece with a small distance parallel to each other.
  • the two beater arms 4 Arranged in the transport direction of the bag 6 immediately before the conveyor belt 2, the two beater arms 4. In the transport direction of the bag 6 in a row, the rapport detection 7, the feed roller 8, the cross cutter 9 and the feed belts 10 are arranged in front of the beater arms 4.
  • the part of the conveyor belt 2 which forms the wedge-shaped feeder and also runs parallel to the pressure belt 3 are inclined downwards in the transport direction of the bags 6 with respect to a horizontal plane H which essentially corresponds to a hall floor.
  • the pivot points of the beater arms 4 are arranged higher than the impact arms 4 facing the end of the conveyor belt. 2
  • a bag making machine 12 produces a continuous bag belt 6a that is fed to the scaling device 1.
  • the Rapporterkennung 7 detects the end of each bag 6 in the bag band 6a and transmits a corresponding information for controlling the feed rollers 8 to an unillustrated control electronics.
  • the cross cutter 9 divides the continuous bag band 6a into individual bags 6. The bags 6 are transported further by the feed belts 10.
  • each bag 6 bends down during further transport by the weight of the bag 6 down and enters the wedge-shaped feeder.
  • the bag 6 is fixed between the conveyor belt 2 and the pressure belt 3.
  • the position of the pinch roller 5 is as shown in FIG FIG. 1 indicated by the double arrow, variable.
  • the scaling device 1 can be adapted to different bag sizes, that is to say bag heights or lengths.
  • the striking arms 4 strike the end of each bag 6 and thereby exert a force that presses the bag end below the level of the transport surface of the conveyor belt 2. This ensures that the bag end rests on the conveyor belt 2 and the leading edge of the subsequent bag comes to rest above the end of the preceding bag.
  • FIG. 2 shows in detail the two beater arms 4.
  • Each beater arm 4 is rotatably mounted about a pivot point 4a at one of its ends.
  • the pivot points 4a of the two striking arms are on different sides of the bag 6.
  • the transport direction of the bag 6 in FIG. 2 runs vertically out of the drawing plane.
  • the pivot points 4a of the beater arms 4 are arranged at the level of the bag 6 left and right of the bag.
  • the two beaters 4 rotate as in FIG. 2 indicated by arrows, in opposite directions and synchronized so that they impinge simultaneously on the end of the bag 6.
  • the impact on the bag 6 surface of a beater arm 4 is formed by a roller 4b, wherein the extension of the axis of rotation of the roller 4b passes through the pivot point 4a of the beater 4.
  • the transport speed of the conveyor belt 2 corresponds to the speed of the pressure belt 3 and is less than the feed rate at which the bag belt 6a reaches the device 1 and the feed belts 10 carry the separated bags 6 on.
  • the ratio of the transport speed of the conveyor belt 2 to the feed rate of the bag 6 is adjustable.
  • the by the Device 1 roof tiles stacked one above the other bags 6 are then fed to a take-up device 11.
  • bag band 6a may also be provided by any other feeding means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
  • Glass Compositions (AREA)
  • Paper (AREA)
  • Small-Scale Networks (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

A device (1) for the scaled depositing of bags (6, 6a) arriving immediately behind each other from a bag production machine (12), the device comprising a conveyor belt (2) and a pressing belt (3) extending at least partially parallel at a distance to the conveyor belt (2), characterized by at least one beater arm (4) directly in front of the conveyor belt (2), wherein a force can be applied to the end of each bag (6) by means of the beater arm (4), the force pressing the end of the bag (6) beneath the level of the conveyor surface of the conveyor belt (2).

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum geschuppten Ablegen von unmittelbar aufeinanderfolgend aus einer Beutelherstellmaschine eintreffenden Beuteln.The present invention relates to a device for the shingled depositing of bags arriving in immediate succession from a bag making machine.

Es sind Beutelherstellmaschinen bekannt, die eine kontinuierliche Bahn von Beuteln erzeugen, die insbesondere aus Kunststoff bestehen. Zur Herstellung einer haushaltsüblichen Verpackungsmenge wird eine gewisse Anzahl Beutel in Form einer Rolle gewickelt. Eine Möglichkeit besteht darin, die Bahn zwischen zwei Beuteln quer zu perforieren und die gewünschte Länge zusammenhängend aufzuwickeln. Alternativ werden die einzelnen Beutel getrennt und geschuppt, also dachziegelartig mit einer gewissen Überlappung aufgewickelt, vgl. dazu EP 1 273 540 A . Dazu ist es notwendig, die einzelnen Beutel geschuppt abzulegen.Bag making machines are known which produce a continuous web of bags, in particular made of plastic. To produce a standard household packaging amount, a certain number of bags is wound in the form of a roll. One possibility is to perforate the web transversely between two bags and to wind the desired length in a coherent manner. Alternatively, the individual bags are separated and scaled, so roof tile-like wound with a certain overlap, see. to EP 1 273 540 A , For this it is necessary to store the individual bags scaled.

Eine Vorrichtung zum geschuppten Ablegen von unmittelbar aufeinanderfolgend eintreffenden Beuteln ist aus der deutschen Offenlegungsschrift 25 34 298 A1 bekannt. In dieser Druckschrift wird ein Übertragungsförderer offenbart, der die Beutel mittels Zangen entgegennimmt und auf einem Bahn- oder Gurtförderer ablegt. Die Geschwindigkeit des Übertragungsförderers weist dabei einen sinusförmigen Verlauf auf. Der Übertragungsförderer nimmt die Beutel bei maximaler Geschwindigkeit auf und legt sie bei minimaler Geschwindigkeit ab, so dass sich auf dem Band- oder Gurtförderer eine Überlappung der Beutel ergibt.A device for the shingled depositing of immediately consecutive incoming bags is from the German patent application 25 34 298 A1 known. In this document, a transfer conveyor is disclosed, which receives the bags by means of pliers and deposits on a train or belt conveyor. The speed of the transfer conveyor has a sinusoidal course. The transfer conveyor picks up the bags at maximum speed and lays them down at minimal speed so that there is overlap on the belt or belt conveyor.

Der Nachteil dieser aus dem Stand der Technik bekannten Lösung ist der aufwendige Aufbau des Übertragungsförderers und dessen Ansteuerung mit variabler Geschwindigkeit. Es ist deshalb die Aufgabe der vorliegenden Erfindung, eine Vorrichtung zum geschuppten Ablegen von unmittelbar aufeinanderfolgend eintreffenden Beuteln bereitzustellen, die die vorgenannten Nachteile nicht aufweist.The disadvantage of this known from the prior art solution is the complex structure of the transfer conveyor and its control with variable speed. It is therefore the object of the present invention to provide a device for the shingled depositing of immediately successive arriving bags, which does not have the aforementioned disadvantages.

Gelöst wird die Aufgabe durch eine Vorrichtung mit den Merkmalen des Patentanspruchs 1. Vorteilhafte Ausgestaltungsformen sind den abhängigen Patentansprüchen zu entnehmen.The object is achieved by a device having the features of claim 1. Advantageous embodiments can be found in the dependent claims.

Die erfindungsgemäße Vorrichtung weist ein Transportband und ein zumindest teilweise mit geringem Abstand parallel zum Transportband verlaufendes Andruckband auf. Die Vorrichtung weist zusätzlich mindestens einen Schlagarm unmittelbar vor dem Transportband auf, wobei mittels des Schlagarms eine Kraft auf das Ende jedes Beutels ausübbar ist, die das Ende des Beutels unter das Niveau der Transportfläche des Transportbandes drückt. Durch das Herunterdrücken des Beutelendes mittels des Schlagarms wird gewährleistet, dass sich das Beutelende an das folgende Transportband anlegt und die Vorderkante des nachfolgenden Beutels zuverlässig über das Ende des vorangegangenen Beutels schiebt.The device according to the invention has a conveyor belt and a pressure belt extending at least partially parallel to the conveyor belt at a small distance. The device additionally has at least one impact arm immediately in front of the conveyor belt, wherein by means of the impact arm, a force on the end of each bag is exercisable, which presses the end of the bag below the level of the transport surface of the conveyor belt. By pushing down the bag end by means of the striking arm ensures that the bag end rests against the following conveyor belt and the leading edge of the subsequent bag reliably pushes over the end of the previous bag.

Bevorzugt entspricht die Fördergeschwindigkeit des Transportbandes der Geschwindigkeit des Andruckbandes. Die Fördergeschwindigkeit ist aber geringer als die Zuführgeschwindigkeit, mit der die Beutel die Beutelherstellmaschine verlassen. Je größer der Unterschied zwischen der Geschwindigkeit des Transportbandes und der Zuführgeschwindigkeit ist, desto größer ist die Überlappung zweier aufeinanderfolgender Beutel.Preferably, the conveying speed of the conveyor belt corresponds to the speed of the pressure belt. However, the conveying speed is less than the feed rate at which the bags leave the bag making machine. The greater the difference between the speed of the conveyor belt and the feed rate, the greater the overlap of two successive bags.

Der Abstand zwischen dem Transportband und dem Andruckband ist so gewählt, dass ein auf dem Transportband liegender Beutel in dem Bereich, in dem das Andruckband parallel zum Transportband verläuft, zwischen dem Transportband und dem Andruckband eingeklemmt und somit fixiert wird. Dadurch wird verhindert, dass der Beutel vom Transportband rutscht, wenn der Schlagarm eine Kraft auf das Beutelende ausübt.The distance between the conveyor belt and the pressure belt is selected so that a lying on the conveyor belt bag in the area in which the pressure belt is parallel to the conveyor belt, clamped between the conveyor belt and the pressure belt and thus fixed. This prevents the bag from slipping off the conveyor belt when the striking arm exerts a force on the bag end.

In einer bevorzugten Ausgestaltungsform der Erfindung ist an der mit dem Beutelende in Kontakt tretenden Seite des Schlagarms eine Rolle befestigt. Während des Einwirkens des Schlagarms auf den Beutel, rollt die Rolle auf dem Beutelmaterial ab. Dadurch wird die Reibung zwischen dem Schlagarm und dem Beutel verringert und die Gefahr der Beschädigung des Beutels reduziert.In a preferred embodiment of the invention, a roller is fastened to the side of the striking arm which comes into contact with the bag end. While the impact arm is acting on the bag, the roll rolls on the bag material. This reduces the friction between the striking arm and the bag and reduces the risk of damaging the bag.

In einer weiteren vorteilhaften Ausführungsform ist der Schlagarm um ein Ende drehbar gelagert und seine Drehachse liegt parallel zur Transportrichtung der Beutel. Der Schlagarm dreht sich damit in einer Ebene, die senkrecht auf der Transportrichtung steht. Durch diese Anordnung trifft der Schlagarm parallel zur Kante am Beutelende auf dem Beutel auf. Durch die Drehung um ein Ende des Schlagarms ist eine Rotation des Schlagarms mit konstanter Winkelgeschwindigkeit in Abhängigkeit und im Verhältnis zur Fördergeschwindigkeit der Beutel möglich. Optional sind zwei oder mehr Schlagarme miteinander verbunden und um einen gemeinsamen Drehpunkt drehbar gelagert. Bevorzugt liegt die Drehachse des Schlagarms auf Höhe des Beutels. Dadurch trifft die gesamte Kontaktfläche des Schlagarms gleichzeitig auf dem Beutelende auf.In a further advantageous embodiment, the striking arm is rotatably mounted about one end and its axis of rotation is parallel to the transport direction of the bag. The impact arm rotates in a plane that is perpendicular to the Transport direction is. By this arrangement, the striking arm hits the bag parallel to the edge at the bag end. The rotation about one end of the beater arm makes it possible to rotate the beater arm at a constant angular velocity as a function of and in relation to the conveying speed of the bags. Optionally, two or more beater arms are interconnected and rotatably mounted about a common pivot point. Preferably, the axis of rotation of the beater arm is at the level of the bag. As a result, the entire contact surface of the hammer strikes simultaneously on the bag end.

Bevorzugt weist die Vorrichtung zwei gegensinnig und synchron drehbare Schlagarme auf. Dabei ist auf jeder Seite der Beutelbahn ein Schlagarm angeordnet. Die Drehung der Schlagarme ist derart synchronisiert, dass beide Schlagarme gleichzeitig auf dem Beutelende auftreffen.Preferably, the device has two oppositely and synchronously rotatable striking arms. In this case, a striking arm is arranged on each side of the bag path. The rotation of the striking arms is synchronized in such a way that both striking arms impinge simultaneously on the bag end.

In einer Ausgestaltungsform der Erfindung weist die Vorrichtung eine Andruckrolle des Andruckbandes zur Erzeugung eines keilförmigen Einzugs zwischen dem Transportband und dem Andruckband auf. Der keilförmige Einzug führt die Vorderkante des nächsten eintreffenden Beutels auf das Transportband. Die Andruckrolle und der sich der Andruckrolle anschließende Teil des Andruckbandes fixieren den Beutel auf dem Transportband. Dabei ist die Position der Andruckrolle des Andruckbandes in Transportrichtung bevorzugt variabel. Damit sind die Tiefe des keilförmigen Einzugs und die Position auf dem Transportband, ab der ein Beutel fixiert wird, einstellbar. Die Position der Andruckrolle ist beispielsweise in Abhängigkeit vom Format der Beutel einstellbar.In one embodiment of the invention, the device has a pressure roller of the pressure belt for generating a wedge-shaped feed between the conveyor belt and the pressure belt. The wedge-shaped feed guides the leading edge of the next incoming bag to the conveyor. The pressure roller and the pressure roller adjoining part of the Andruckbandes fix the bag on the conveyor belt. The position of the pressure roller of the pressure belt in the transport direction is preferably variable. Thus, the depth of the wedge-shaped feeder and the position on the conveyor belt from which a bag is fixed, adjustable. The position of the pressure roller is adjustable, for example, depending on the format of the bag.

In einer weiteren Ausgestaltungsform der Erfindung ist die Transportfläche des Transportbandes in Transportrichtung gegenüber der Horizontalebene zumindest teilweise abwärts geneigt und der Drehpunkt des Schlagarms höher angeordnet als das dem Schlagarm zugewandte Ende des Transportbandes. Dadurch wird erreicht, dass die Vorderkante eines eintreffenden Beutels auf dem Transportband zu liegen kommt. Wird durch eine Andruckrolle des Andruckbandes mit dem Transportband ein keilförmiger Einzug gebildet, so tritt die Vorderkante des eintreffenden Beutels in den keilförmigen Einzug ein.In a further embodiment of the invention, the transport surface of the conveyor belt in the transport direction relative to the horizontal plane is inclined at least partially downwards and arranged the pivot point of the impact arm higher than the impact arm facing the end of the conveyor belt. This ensures that the leading edge of an incoming bag comes to rest on the conveyor belt. If a wedge-shaped indentation is formed by a pressure roller of the pressure belt with the conveyor belt, the leading edge of the incoming bag enters the wedge-shaped intake.

Optional weist die Erfindung eine Ansaugvorrichtung unter dem Transportband auf. Dadurch wird ein flaches Aufliegen des Beutels auf dem Transportband erzielt.Optionally, the invention comprises a suction device under the conveyor belt. As a result, a flat contact of the bag is achieved on the conveyor belt.

Weiterhin optional weist die Vorrichtung einen in Transportrichtung der Beutel vor dem Schlagarm angeordneten Querschneider auf. Mittels des Querschneiders werden in Form einer kontinuierlichen Bahn eintreffende Beutel voneinander getrennt.Furthermore, optionally, the device has a transverse cutter arranged in the transport direction of the bags in front of the striking arm. By means of the cross cutter incoming bags in the form of a continuous web are separated from each other.

Die vorliegende Erfindung soll anhand eines Ausführungsbeispiels näher erläutert werden. Dabei zeigt:

Figur 1
eine Seitenansicht einer erfindungsgemäßen Schuppungsvorrichtung und
Figur 2
zwei synchron drehbare Schlagarme über einem Beutel.
The present invention will be explained in more detail with reference to an embodiment. Showing:
FIG. 1
a side view of a scaling device according to the invention and
FIG. 2
two synchronously rotating beater arms over a bag.

Figur 1 zeigt die Seitenansicht einer Vorrichtung 1 zum geschuppten Ablegen von Beuteln 6. Die Vorrichtung 1 weist ein Transportband 2, ein Andruckband 3, zwei Schlagarme 4, eine Andruckrolle 5, eine Rapporterkennung 7, ein Vorzugswalzenpaar 8, einen Querschneider 9 und Zuführbänder 10 auf. Die Andruckrolle 5 drückt das Andruckband 3 gegen das Transportband 2. Die Beutel 6 werden von Zylinderbändern kommend zum Transportband 2 gefördert, wo die Beutel 6 geschuppt abgelegt werden. In Transportrichtung gesehen vor der Andruckrolle 5 bilden das Transportband 2 und das Andruckband 3 einen keilförmigen Einzug. Ab der Andruckrolle 5 verlaufen das Transportband 2 und das Andruckband 3 stückweise mit geringem Abstand parallel zueinander. FIG. 1 shows the side view of a device 1 for the shingled storage of bags 6. The device 1 has a conveyor belt 2, a pressure belt 3, two impact arms 4, a pinch roller 5, a Rapport identifier 7, a feed roller pair 8, a cross cutter 9 and feed belts 10. The pressure roller 5 presses the pressure belt 3 against the conveyor belt 2. The bags 6 are conveyed by cylinder tapes coming to the conveyor belt 2, where the bags are stored 6 geschuppt. Seen in the transport direction in front of the pinch roller 5, the conveyor belt 2 and the pressure belt 3 form a wedge-shaped feeder. From the pinch roller 5, the conveyor belt 2 and the pressure belt 3 piece by piece with a small distance parallel to each other.

In Transportrichtung der Beutel 6 unmittelbar vor dem Transportband 2 angeordnet sind die beiden Schlagarme 4. In Transportrichtung der Beutel 6 hintereinander sind die Rapporterkennung 7, das Vorzugswalzenpaar 8, der Querschneider 9 und die Zuführbänder 10 vor den Schlagarmen 4 angeordnet. Der den keilförmigen Einzug bildende sowie der parallel zum Andruckband 3 verlaufende Teil des Transportbands 2 sind in Transportrichtung der Beutel 6 gegenüber einer Horizontalebene H, die im Wesentlichen einem Hallenboden entspricht, abwärts geneigt. Die Drehpunkte der Schlagarme 4 sind höher angeordnet als das den Schlagarmen 4 zugewandte Ende des Transportbandes 2.Arranged in the transport direction of the bag 6 immediately before the conveyor belt 2, the two beater arms 4. In the transport direction of the bag 6 in a row, the rapport detection 7, the feed roller 8, the cross cutter 9 and the feed belts 10 are arranged in front of the beater arms 4. The part of the conveyor belt 2 which forms the wedge-shaped feeder and also runs parallel to the pressure belt 3 are inclined downwards in the transport direction of the bags 6 with respect to a horizontal plane H which essentially corresponds to a hall floor. The pivot points of the beater arms 4 are arranged higher than the impact arms 4 facing the end of the conveyor belt. 2

Eine Beutelherstellmaschine 12 erzeugt ein kontinuierliches Beutelband 6a, das der Schuppungsvorrichtung 1 zugeführt wird. Die Rapporterkennung 7 erkennt das Ende eines jeden Beutels 6 im Beutelband 6a und übermittelt eine entsprechende Information zur Ansteuerung der Vorzugswalzen 8 an eine nicht dargestellte Steuerelektronik. Der Querschneider 9 unterteilt das kontinuierliche Beutelband 6a in einzelne Beutel 6. Die Beutel 6 werden von den Zuführbändern 10 weitertransportiert.A bag making machine 12 produces a continuous bag belt 6a that is fed to the scaling device 1. The Rapporterkennung 7 detects the end of each bag 6 in the bag band 6a and transmits a corresponding information for controlling the feed rollers 8 to an unillustrated control electronics. The cross cutter 9 divides the continuous bag band 6a into individual bags 6. The bags 6 are transported further by the feed belts 10.

Die Vorderkante jedes Beutels 6 knickt beim Weitertransport durch das Eigengewicht des Beutels 6 nach unten ab und gelangt in den keilförmigen Einzug. Damit wird der Beutel 6 zwischen dem Transportband 2 und dem Andruckband 3 fixiert. Die Position der Andruckrolle 5 ist, wie in der Figur 1 durch den Doppelpfeil angedeutet, variabel. Dadurch ist die Schuppungsvorrichtung 1 an verschiedene Beutelgrößen, das heißt Beutelhöhen oder -längen, anpassbar.The leading edge of each bag 6 bends down during further transport by the weight of the bag 6 down and enters the wedge-shaped feeder. Thus, the bag 6 is fixed between the conveyor belt 2 and the pressure belt 3. The position of the pinch roller 5 is as shown in FIG FIG. 1 indicated by the double arrow, variable. As a result, the scaling device 1 can be adapted to different bag sizes, that is to say bag heights or lengths.

Die Schlagarme 4 schlagen auf das Ende eines jeden Beutels 6 und üben dadurch eine Kraft aus, die das Beutelende unter das Niveau der Transportfläche des Transportbandes 2 drückt. Dadurch wird sichergestellt, dass das Beutelende auf dem Transportband 2 aufliegt und die Vorderkante des nachfolgenden Beutels oberhalb des Endes des vorangegangenen Beutels zu liegen kommt.The striking arms 4 strike the end of each bag 6 and thereby exert a force that presses the bag end below the level of the transport surface of the conveyor belt 2. This ensures that the bag end rests on the conveyor belt 2 and the leading edge of the subsequent bag comes to rest above the end of the preceding bag.

Figur 2 zeigt detailliert die beiden Schlagarme 4. Jeder Schlagarm 4 ist um einen Drehpunkt 4a an einem seiner Enden drehbar gelagert. Die Drehpunkte 4a der beiden Schlagarme liegen auf unterschiedlichen Seiten des Beutels 6. Die Transportrichtung der Beutel 6 in Figur 2 verläuft senkrecht aus der Zeichenebene heraus. Die Drehpunkte 4a der Schlagarme 4 sind in Höhe des Beutels 6 links und rechts des Beutels angeordnet. Die beiden Schlagarme 4 rotieren, wie in Figur 2 durch Pfeile angedeutet, gegenläufig und derart synchronisiert, dass sie gleichzeitig auf das Ende des Beutels 6 auftreffen. Die auf den Beutel 6 auftreffende Fläche eines Schlagarms 4 wird durch eine Rolle 4b gebildet, wobei die Verlängerung der Drehachse der Rolle 4b durch den Drehpunkt 4a des Schlagarms 4 verläuft. FIG. 2 shows in detail the two beater arms 4. Each beater arm 4 is rotatably mounted about a pivot point 4a at one of its ends. The pivot points 4a of the two striking arms are on different sides of the bag 6. The transport direction of the bag 6 in FIG. 2 runs vertically out of the drawing plane. The pivot points 4a of the beater arms 4 are arranged at the level of the bag 6 left and right of the bag. The two beaters 4 rotate as in FIG. 2 indicated by arrows, in opposite directions and synchronized so that they impinge simultaneously on the end of the bag 6. The impact on the bag 6 surface of a beater arm 4 is formed by a roller 4b, wherein the extension of the axis of rotation of the roller 4b passes through the pivot point 4a of the beater 4.

Die Transportgeschwindigkeit des Transportbandes 2 entspricht der Geschwindigkeit des Andruckbandes 3 und ist geringer als die Zuführgeschwindigkeit, mit der das Beutelband 6a die Vorrichtung 1 erreicht und die Zuführbänder 10 die separierten Beutel 6 weitertransportieren. Durch das Verhältnis der Transportgeschwindigkeit des Transportbandes 2 zur Zuführgeschwindigkeit der Beutel 6 ist der Grad der Überlappung der Beutel 6 auf dem Transportband 2 einstellbar. Die durch die Vorrichtung 1 dachziegelartig übereinander abgelegten Beutel 6 werden anschließend einer Aufwickelvorrichtung 11 zugeführt.The transport speed of the conveyor belt 2 corresponds to the speed of the pressure belt 3 and is less than the feed rate at which the bag belt 6a reaches the device 1 and the feed belts 10 carry the separated bags 6 on. By the ratio of the transport speed of the conveyor belt 2 to the feed rate of the bag 6, the degree of overlap of the bag 6 on the conveyor belt 2 is adjustable. The by the Device 1 roof tiles stacked one above the other bags 6 are then fed to a take-up device 11.

Selbstverständlich kann das Beutelband 6a anstatt von einer Beutelherstellmaschine 12 auch von jeder beliebigen anderen Zuführeinrichtung bereitgestellt werden.Of course, instead of being provided by a bag making machine 12, the bag band 6a may also be provided by any other feeding means.

Claims (9)

  1. Apparatus (1) by means of which bags (6, 6a) which enter immediately one after the other from a bag-production machine (12) are deposited in an imbricated manner, having a transporting belt (2) and a pressure-exerting belt (3) which runs, at least in part, at a small distance from, and parallel to, the transporting belt (2), characterized by at least one beater arm (4) immediately upstream of the transporting belt (2), wherein the beater arm (4) can subject the end of each bag (6) to a force which pushes the end of the bag (6) below the level of the transporting surface of the transporting belt (2), and wherein the beater arm (4) is mounted such that it can be rotated about one end, and the axis of rotation is parallel to the transporting direction of the bags (6).
  2. Apparatus (1) according to Claim 1, characterized in that that surface of the beater arm (4) which comes into contact with the end of the bag comprises a roller (4a).
  3. Apparatus (1) according to Claim 2, characterized by two beater arms (4) which can be rotated synchronously and in opposite directions.
  4. Apparatus (1) according to one of Claims 1 to 3, characterized by a pressure-exerting roller (5) of the pressure-exerting belt for creating a wedge-shaped infeed between the transporting belt (2) and the pressure-exerting belt (3).
  5. Apparatus (1) according to Claim 4, characterized by a variable position of the pressure-exerting roller (5) of the pressure-exerting belt (3) in the transporting direction.
  6. Apparatus (1) according to one of Claims 1 to 5, characterized in that the transporting surface of the transporting belt (2) is inclined at least partially downwards in relation to the horizontal plane (H), as seen in the transporting direction, and the point of rotation (4a) of the beater arm is arranged at a higher level than that end of the transporting belt (2) which is directed towards the beater arm (4).
  7. Apparatus (1) according to one of Claims 1 to 6, characterized by a suction-attachment means beneath the transporting belt (2).
  8. Apparatus (1) according to one of Claims 1 to 7, characterized in that the speed of the transporting belt (2) corresponds to the speed of the pressure-exerting belt (3) and is lower than the speed at which the bags (6) are fed.
  9. Apparatus (1) according to one of Claims 1 to 8, characterized by a cross-cutter (9) which is arranged upstream of the beater arm (4), as seen in the transporting direction of the bags (6).
EP07856777A 2007-02-21 2007-12-15 Scaling device Active EP2121495B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07856777T PL2121495T3 (en) 2007-02-21 2007-12-15 Scaling device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007008529A DE102007008529A1 (en) 2007-02-21 2007-02-21 shingling
PCT/EP2007/011040 WO2008101540A1 (en) 2007-02-21 2007-12-15 Scaling device

Publications (2)

Publication Number Publication Date
EP2121495A1 EP2121495A1 (en) 2009-11-25
EP2121495B1 true EP2121495B1 (en) 2010-09-15

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EP07856777A Active EP2121495B1 (en) 2007-02-21 2007-12-15 Scaling device

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US (1) US20100025925A1 (en)
EP (1) EP2121495B1 (en)
AT (1) ATE481346T1 (en)
DE (2) DE102007008529A1 (en)
ES (1) ES2351072T3 (en)
PL (1) PL2121495T3 (en)
RU (1) RU2416566C1 (en)
WO (1) WO2008101540A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2534298A1 (en) * 1974-11-20 1976-05-26 Holweg Const Mec PROCESS AND DEVICE FOR THORNLESS REWINDING OF PRE-CUT BAGS MADE OF PLASTIC OR OTHER RAW MATERIALS
EP1273540A2 (en) * 1996-03-11 2003-01-08 Cmd Corporation Method and apparatus for separating a web at a line of weakness

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040617A (en) * 1975-06-17 1977-08-09 Masson Scott Thrissell Engineering Limited Sheet feeding apparatus
JPS54163098A (en) * 1978-06-14 1979-12-25 Laurel Bank Machine Co Device for temporarily storing numerous pieces of paper money in paner money counter
DE19846032C2 (en) * 1998-10-06 2002-06-20 Windmoeller & Hoelscher Device for depositing flat objects which are conveyed one after the other onto a further conveyor in a shingled formation one above the other
WO2003053831A1 (en) * 2001-12-21 2003-07-03 Ferag Ag Method and device for forming groups of flat articles
US6969059B2 (en) * 2003-07-16 2005-11-29 Marquip, Llc Dual modulated vacuum shingler

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2534298A1 (en) * 1974-11-20 1976-05-26 Holweg Const Mec PROCESS AND DEVICE FOR THORNLESS REWINDING OF PRE-CUT BAGS MADE OF PLASTIC OR OTHER RAW MATERIALS
EP1273540A2 (en) * 1996-03-11 2003-01-08 Cmd Corporation Method and apparatus for separating a web at a line of weakness

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Publication number Publication date
WO2008101540A1 (en) 2008-08-28
PL2121495T3 (en) 2011-03-31
ATE481346T1 (en) 2010-10-15
DE102007008529A1 (en) 2008-09-04
ES2351072T3 (en) 2011-01-31
RU2416566C1 (en) 2011-04-20
US20100025925A1 (en) 2010-02-04
DE502007005115D1 (en) 2010-10-28
EP2121495A1 (en) 2009-11-25

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