EP2918501A1 - Method for automatically opening a handle bag and device for carrying out the method - Google Patents

Method for automatically opening a handle bag and device for carrying out the method Download PDF

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Publication number
EP2918501A1
EP2918501A1 EP15000526.2A EP15000526A EP2918501A1 EP 2918501 A1 EP2918501 A1 EP 2918501A1 EP 15000526 A EP15000526 A EP 15000526A EP 2918501 A1 EP2918501 A1 EP 2918501A1
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EP
European Patent Office
Prior art keywords
carrying bag
bag
carrying
opening
transport direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15000526.2A
Other languages
German (de)
French (fr)
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EP2918501B1 (en
Inventor
Othmar Brunschwiler
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.)
Ferag AG
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Ferag AG
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Publication date
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Publication of EP2918501A1 publication Critical patent/EP2918501A1/en
Application granted granted Critical
Publication of EP2918501B1 publication Critical patent/EP2918501B1/en
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Classifications

    • 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
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
    • B65B43/36—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure applied pneumatically
    • 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
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
    • 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
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags
    • 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
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • B65B43/56—Means for supporting containers or receptacles during the filling operation movable stepwise to position container or receptacle for the reception of successive increments of contents

Definitions

  • the present invention relates to the field of automated order picking. It relates to a method for automatically opening a carrying case according to the preamble of claim 1.
  • bags In many cases, there is a desire to fill goods in a bag or a bag, which initially in a flat, folded state, in particular in batches, present and then unfolded and must be opened so that the goods can be filled or inserted into the opened bag.
  • Such bags often consist of a wrapping paper or plastic film, which has been made from a blank by folding and gluing together.
  • a flat, comparatively stable base is formed on the bag, which laterally rests in the folded state and has to be unfolded for opening and filling.
  • bags are often equipped with handles, which may either be integrated in the upper end of the bag or may be designed to project upwards as separate elements.
  • the opening of the bag or the bag can - as usual at the cash register of a shop - be made by hand, as for example in the document US 3,782,073 A is described.
  • a bagging method in which a set of bags lined up in a row on a holder is held, the set is pressed continuously into a stop position, one end of the bag is opened and this bag is filled while being retained on the holder , and the filled bag is released and mechanically fed to a removal station.
  • the associated bagging device comprises means for advancing a bag in a flat or collapsed state to a location where it can be opened for loading, means for holding the bag in the open position with the opening upwards, and a device which carries the filled bag and keeps it in an upright position.
  • the publication EP 0 155 060 A2 discloses an automatic filling device for filling individual bags, in which the bags are first singulated and then each individual bag is transported to a device at which the mouth opening of the bag is opened, so that then the bag can be filled.
  • the associated filling device comprises a blower for blowing air into the mouth opening of the single bag, wherein the other film part of the bag is gripped by means of a gripping device of a clamping arrangement.
  • the publication US 5,782,066 A discloses an apparatus for filling a bag with goods from a basket.
  • the bags are initially folded flat and stacked in a container.
  • a bag is then removed and held in a charging station.
  • a bottom pop-up device engages the bottom while simultaneously engaging an opening device on the front of the bag.
  • the bag is opened and then the goods are pushed into the lying bag from the side.
  • the bag is held open by a hinged open holder. Again, high speeds can not be achieved.
  • the inventive method for automatically opening an open-topped carrying bag which is equipped in the region of the upper opening with handles for carrying the bag and below has a flat bottom, for a subsequent filling, wherein the bag is in a flat, folded state before opening, in which the bottom is folded adjacent to the front or rear wall, is characterized in that in a first step, the bag is hung on their handles, that in a second step the folded bottom of the hanging carrying bag is grasped, that in a third step the gripped bottom is folded from the folded position into a position oriented transversely to the bag position and held in this position, and that in a fourth step the hanging carrying bag with the unfolded bottom through Blowing air into the upper opening is fully opened.
  • An embodiment of the method according to the invention is characterized in that the carrier bag is continuously moved during the execution of the four steps in a predetermined transport direction.
  • the unfolding of the bottom in the third step is linked to the movement of the carrier bag in the predetermined transport direction.
  • the predetermined transport direction is oriented horizontally.
  • Another embodiment of the method according to the invention is characterized in that the carrier bag is hung in the first step with their handles on a hook-shaped support member which allows the handles when opening the carrying bag a sufficient distance of the handle to each other, and that in the fourth step, the handle be moved away from each other on the hook-shaped holding element.
  • a further embodiment of the method according to the invention is characterized in that in the second step, the bottom of the carrier bag is gripped on its underside by means of a suction gripper.
  • the carrying bag when gripping the bottom of the carrying bag, the carrying bag is supported in the region of the bottom from the other side by means of a counter-holder.
  • the suction pad is pivoted with the movement of the carrying bag in the transport direction about a fixed pivot axis for opening the bottom of the carrying bag.
  • the inventive device for carrying out the method according to the invention is characterized by a suspension device, a folding device and an opening device, which are arranged one behind the other in a transport direction for the carrier bag and communicate with each other by means for transporting the carrier bag.
  • An embodiment of the device according to the invention is characterized in that the means for transporting the carrying bag comprise a hook-shaped holding element which can be moved in the transport direction, and in that the suspension device for attaching the carrying bag with its handles is formed in the hook-shaped holding element.
  • the opening device comprises a suction cups equipped with suction gripper, which in the transport path of the carrying bag in and out of the transport path of the carrying bag to swing out about a fixed, horizontal, oriented transversely to the transport direction pivot axis is.
  • the folding device comprises a counter-holder, which is arranged in the transport direction in front of the suction gripper and with a head into the transport path of the carrying bag in and out of the transport path of the carrying bag is movable out.
  • the head is formed as horizontally and transversely to the transport direction of the carrying bag lying, rod-shaped element.
  • a further embodiment of the device according to the invention is characterized in that the opening device comprises an air nozzle which is directed from above onto the opening of the carrier bag.
  • the air nozzle is arranged stationary and has an elongated nozzle opening extending in the transport direction of the carrier bag.
  • the hook-shaped holding element in the transport direction of the carrier bag has a length which corresponds to the distance of the handle of the carrier bag in the fully opened state
  • Fig. 1 shows in two sub-figures 1 (a) and 1 (b) an exemplary carrying bag 10 suitable for the invention in a front view ( Fig. 1 (a) ) and in the side view ( Fig. 1 (b) ).
  • the carrier bag 10 is in this view in the unopened folded state.
  • Carrying bag 10 has front and rear walls and two narrower sidewalls which are not visible in the collapsed state (the dashed lines indicate the inner fold lines).
  • the front is in Fig. 1 (a) denoted by 13.
  • carrying bag 10 has a flat, largely stable bottom 11, which is folded up in the folded state up to the front wall 13 and has to be unfolded to open the bag.
  • the carrier bag 10 is often made of a stronger paper, as used for example as wrapping paper. But it can also be constructed of plastic films.
  • two separate handles 12a and 12a are attached to the front and rear walls, respectively, which protrude upwards and can be made of a different material than the rest of the carrying bag.
  • the handles 12a and 12b but also be integrated into the front and rear walls, in which there are provided corresponding engagement openings.
  • wall reinforcements are still available, which prevent tearing of the handles when wearing. Since the bag of Fig. 2 is shown in the open state, here is also a side wall 14 visible.
  • FIG. 3 shows, for example, a carrying bag 10, which has a significantly increased width in the open state.
  • four handles 12a-d are distributed over the four corners, which are continued around the bag as reinforcing straps.
  • the bags shown are stacked in the context of the present invention in the folded state fed to a device in which the bags are first separated, so that successively unfolds each bag from the folded state out, then open and finally in the open state with any goods or objects can be filled.
  • Fig. 4 shows a block diagram of a device 24 for automatically opening (and filling) a carrying bag according to an embodiment of the invention.
  • the opening device 24 of Fig. 4 comprises a suspension device 17, a folding device 18, the actual opening device 19 and two of usually several subsequent filling devices 20, 21, in which the successive filling of the carrier bags is made with different articles.
  • the individual devices 17 to 21 are arranged one behind the other in a transport direction, so that the individual carrier bags, which are supplied to the device 24 at a pocket input 16, successively pass through the various devices 17 to 21 and following.
  • the transport of the pockets in the, preferably horizontally oriented, transport direction (in Fig. 4 from left to right) by means of a transport device, not shown, which may for example run on a rail car or the like.
  • the filling devices 20, 21 are each assigned a goods feed 22, via which goods or articles intended for filling are supplied.
  • an air supply 23 is provided for each filling device 20, 21, is supplied via the blown air, which is required to keep open the opened carrying bags (see also Fig. 8 ).
  • the movement of the carrier bags in the transport direction through the opening device 24 is carried out quickly and continuously, preferably at approximately constant speed, so that all operations take place when opening and filling the passing bag.
  • the Fig. 5 and 6 show several steps in the unfolding or unfolding of the folded carrier bags 10.
  • the carrier bags 10 are already hanging in special hook-shaped holding elements 26 by means of a (only hinted) transport device 25 are moved uniformly along the transport direction and take the hinged carrying bags 10.
  • the unfolding or unfolding of the carrier bags 10 takes place in the unfolding device 18.
  • the bags have been individually hung in the suspension device 17 with their handles 12a, b in the past moving holding elements 26.
  • An essential step carried out in the folding device is to fold out the flapped bottom 11 so that it assumes its final horizontal end position necessary for filling ( Fig. 6 (b) ).
  • the bottom 11 according Fig. 5 gripped by means of a pneumatically operated suction pad 30 on its underside and then folded out by pivoting the suction pad 30 about a defined by a pivot bearing 34 horizontal and the transport direction vertically oriented pivot axis.
  • the suction gripper 30 has a plurality of suction heads 31 distributed on a carrier plate 32, which are pressed against the underside of the bottom 11.
  • the suction mechanism on the bottom 11 of the free-hanging bag 10 can attack successfully, simultaneously with the opposite pivoting of the suction pad 30 in the transport path of the carrier bag 10 from the other side a counter-holder 27 is activated, by means of a working cylinder 28 for holding a head 29th against the bottom 11 opposite area of the carrying bag 10 presses.
  • the suction pad 30 can be fixed to the underside of the bottom 11.
  • the suction gripper 30 pivots out of the transport path of the carrier bag 10 about its pivot axis (Fig. 6 (a) -> Fig. 6 (b)) ) until the bottom 11 is in its final horizontal position ( Fig. 6 (b) ).
  • the folded-in state of the carrying bag 10 loosens a little, so that in the upper region of the carrying bag 10, a narrow opening opens, which can be used to actually open the bag.
  • Fig. 7 in the opening device 19 in which the pocket unfolded in the bottom region is moved under an air nozzle 35, the blown air 36 blows into the narrow opening of the pocket ( Fig. 7 (a) ) and thus the carrying bag 10 completely opens ( Fig. 7 (b) ).
  • This complete opening is made possible by the fact that the handles 12a, b on the hook-shaped holding element 26 can slip apart sufficiently far.
  • the hook-shaped holding element 26 in the transport direction of the carrying bag 10 has a length which corresponds to the spacing of the handles 12a, b of the carrying bag 10 in the fully opened state.
  • the opened carrying bag 10 moves on to the first filling device 20, which is shown by way of example in FIG Fig. 8 is reproduced.
  • an air nozzle 37 is preferably provided, which holds the carrying bag 10 open by injecting blown air 36, which is supplied via a feed line 38, during the filling operation, so that (in the example of Fig. 8 ) a bottle 39 can be thrown into the bag.
  • the carrying bag 10 If the carrying bag 10 is finally filled after passing through several filling devices with the predetermined articles, it can either be transported suspended on the holding element 26, or is posted by the holding element 26 is pivoted upwards out of the handles 12a, b with a detached carrying bag.

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

Abstract

Bei einem Verfahren zum automatischen Öffnen einer oben offenen Tragetasche (10), die im Bereich der oberen Öffnung mit Henkeln (12a,b) zum Tragen der Tasche ausgestattet ist und unten einen ebenen Boden (11) aufweist, für ein nachfolgendes Befüllen, wobei die Tragetasche (10) sich vor dem Öffnen in einem flachen, zusammengefalteten Zustand befindet, in welchem der Boden (11) an der Vorder- oder Rückwand anliegend umgeklappt ist, wird eine Beschleunigung des Verfahrens dadurch erreicht, dass in einem ersten Schritt die Tragetasche (10) an ihren Henkeln (12a,b) aufgehängt wird, dass in einem zweiten Schritt der angeklappte Boden (11) der hängenden Tragetasche (10) ergriffen wird, dass in einem dritten Schritt der ergriffene Boden (11) von der angeklappten Position in eine quer zur Tragetasche (10) orientierte Position aufgeklappt und in dieser Position gehalten wird, und dass in einem vierten Schritt die hängende Tragetasche (10) mit dem aufgeklappten Boden (11) durch Einblasen von Luft in die obere Öffnung vollständig geöffnet wird.In a method of automatically opening an open-topped carrying case (10) provided in the region of the top opening with handles (12a, b) for carrying the bag and having a flat bottom (11) at the bottom, for subsequent filling, wherein the Carrying bag (10) is in a flat, folded state prior to opening, in which the bottom (11) folded down adjacent the front or rear wall, an acceleration of the method is achieved in that in a first step, the carrying bag (10 ) is hung on its handles (12a, b), that in a second step, the folded bottom (11) of the hanging carrying bag (10) is engaged, that in a third step, the gripped bottom (11) from the folded position into a transversely to the carrying bag (10) oriented position is unfolded and held in this position, and that in a fourth step, the hanging carrying bag (10) with the unfolded bottom (11) by blowing is completely opened by air in the upper opening.

Description

TECHNISCHES GEBIETTECHNICAL AREA

Die vorliegende Erfindung bezieht sich auf das Gebiet der automatisierten Kommissionierung. Sie betrifft ein Verfahren zum automatischen Öffnen einer Tragetasche gemäss dem Oberbegriff des Anspruchs 1.The present invention relates to the field of automated order picking. It relates to a method for automatically opening a carrying case according to the preamble of claim 1.

Sie betrifft weiterhin eine Vorrichtung zur Durchführung des Verfahrens.It further relates to a device for carrying out the method.

STAND DER TECHNIKSTATE OF THE ART

In vielen Fällen besteht der Wunsch, Waren in einen Beutel oder eine Tasche einzufüllen, die zunächst in einem flachen, zusammengefalteten Zustand, insbesondere stapelweise, vorliegt und dann aufgefaltet und geöffnet werden muss, damit die Ware in den geöffneten Beutel eingefüllt oder eingeschoben werden kann. Derartige Beutel bestehen häufig aus einem Packpapier oder auch Kunststofffolie, die aus einem Zuschnitt durch Falten und Zusammenkleben hergestellt worden ist. Häufig ist an dem Beutel ein flacher, vergleichsweise stabiler Boden ausgebildet, der im zusammengefalteten Zustand seitlich anliegt und zum Öffnen und Befüllen ausgeklappt werden muss. Darüber hinaus sind Beutel bzw. Taschen häufig mit Henkeln ausgerüstet, die entweder im oberen Abschluss des Beutels integriert oder als separate Elemente nach oben herausstehend ausgebildet sein können.In many cases, there is a desire to fill goods in a bag or a bag, which initially in a flat, folded state, in particular in batches, present and then unfolded and must be opened so that the goods can be filled or inserted into the opened bag. Such bags often consist of a wrapping paper or plastic film, which has been made from a blank by folding and gluing together. Often, a flat, comparatively stable base is formed on the bag, which laterally rests in the folded state and has to be unfolded for opening and filling. In addition, bags are often equipped with handles, which may either be integrated in the upper end of the bag or may be designed to project upwards as separate elements.

Das Öffnen des Beutels bzw. der Tasche kann - wie an der Kasse eines Geschäftes üblich - von Hand vorgenommen werden, wie dies beispielsweise in der Druckschrift US 3,782,073 A beschrieben ist.The opening of the bag or the bag can - as usual at the cash register of a shop - be made by hand, as for example in the document US 3,782,073 A is described.

Es sind aber auch bereits Vorschläge gemacht worden, wie das öffnen und Befüllen maschinell und automatisch vorgenommen werden kann. Dies ist insbesondere von Interesse, wenn das Öffnen und Befüllen im Rahmen einer Kommissionierung von Waren erfolgen soll.However, proposals have already been made as to how the opening and filling can be performed automatically and automatically. This is of particular interest when the opening and filling is to take place within the framework of a picking of goods.

Aus der Druckschrift DE 2 028 324 A1 ist ein Einsack-Verfahren bekannt, bei dem ein Satz von in dichter Folge auf einen Halter aufgereihten Beuteln gehalten wird, der Satz kontinuierlich in eine Anschlagstellung gedrückt wird, ein Ende des Beutels geöffnet und dieser Beutel gefüllt wird, während er an dem Halter zurückgehalten wird, und der gefüllte Beutel freigegeben und mechanisch einer Entnahmestation zugeführt wird. Die zugehörige Einsack-Vorrichtung umfasst eine Einrichtung zum Vorschieben eines Beutels in flachem oder zusammengelegtem Zustand an eine Stelle, wo er zum Einfüllen geöffnet werden kann, eine Einrichtung zum Festhalten des Beutels in der offenen Stellung mit der Öffnung nach oben, sowie eine Einrichtung, die den gefüllten Beutel weiterbefördert und ihn in aufrechter Lage hält.From the publication DE 2 028 324 A1 For example, a bagging method is known in which a set of bags lined up in a row on a holder is held, the set is pressed continuously into a stop position, one end of the bag is opened and this bag is filled while being retained on the holder , and the filled bag is released and mechanically fed to a removal station. The associated bagging device comprises means for advancing a bag in a flat or collapsed state to a location where it can be opened for loading, means for holding the bag in the open position with the opening upwards, and a device which carries the filled bag and keeps it in an upright position.

Die Druckschrift EP 0 155 060 A2 offenbart eine automatische Füllvorrichtung zum Befüllen von einzelnen Beuteln, bei der die Beutel zunächst vereinzelt werden und dann jeder einzelne Beutel zu einer Vorrichtung transportiert wird, an der die Mündungsöffnung des Beutels geöffnet wird, so dass dann der Beutel befüllt werden kann. Die zugehörige Fülleinrichtung umfasst eine Gebläse zum Einblasen von Luft in die Mündungsöffnung des einzelnen Beutels, wobei das andere Folienteil des Beutels mit Hilfe einer Greifeinrichtung einer Einspannanordnung ergriffen wird.The publication EP 0 155 060 A2 discloses an automatic filling device for filling individual bags, in which the bags are first singulated and then each individual bag is transported to a device at which the mouth opening of the bag is opened, so that then the bag can be filled. The associated filling device comprises a blower for blowing air into the mouth opening of the single bag, wherein the other film part of the bag is gripped by means of a gripping device of a clamping arrangement.

Die Druckschrift US 3,763,628 A beschreibt eine Beutel-Befüllvorrichtung, bei dem der Boden des obersten, auf einem Stapel liegenden Beutels mit einem schwenkbaren Sauggreifer erfasst und aufgeklappt wird, sodass in die sich leicht öffnende Öffnung des Beutels mittels eines Gebläses Luft eingeblasen werden kann, um den liegenden Beutel vollständig für das nachfolgende Befüllen zu öffnen. Nachteilig ist dabei, dass wegen der stationären Arbeitsweise hohe Verarbeitungsgeschwindigkeiten nicht erreicht werden können.The publication US 3,763,628 A describes a bag-filling device in which the bottom of the uppermost, stacked bag is detected and opened with a pivoting suction pad, so that air can be blown into the easy opening opening of the bag by means of a blower to the bag lying completely for to open the subsequent filling. The disadvantage here is that due to the stationary operation high processing speeds can not be achieved.

Die Druckschrift US 5,782,066 A offenbart eine Vorrichtung zum Befüllen eines Beutels mit Waren aus einem Korb. Die Beutel sind zunächst flach gefaltet und in einem Behälter gestapelt. Ein Beutel wird dann entnommen und in einer Ladestation gehalten. Eine Vorrichtung zum Aufklappen des Bodens setzt am Boden an, während gleichzeitig eine Öffnungsvorrichtung an der Vorderseite des Beutels angreift. Durch Aktivierung beider Vorrichtungen wird der Beutel geöffnet und dann die Ware in den liegenden Beutel von der Seite eingeschoben. Dabei wird der Beutel von einem schwenkbaren Offenhalter offen gehalten. Auch hier können keine hohen Geschwindigkeiten erreicht werden.The publication US 5,782,066 A discloses an apparatus for filling a bag with goods from a basket. The bags are initially folded flat and stacked in a container. A bag is then removed and held in a charging station. A bottom pop-up device engages the bottom while simultaneously engaging an opening device on the front of the bag. By activating both devices, the bag is opened and then the goods are pushed into the lying bag from the side. The bag is held open by a hinged open holder. Again, high speeds can not be achieved.

DARSTELLUNG DER ERFINDUNGPRESENTATION OF THE INVENTION

Es ist daher eine Aufgabe der Erfindung, eine Verfahren und eine Vorrichtung zum automatischen Öffnen einer Tragetasche anzugeben, die deutlich höhere Verarbeitungsgeschwindigkeiten ermöglichen.It is therefore an object of the invention to provide a method and apparatus for automatically opening a carrier bag which allow significantly higher processing speeds.

Diese und andere Aufgaben werden durch die Merkmale der Ansprüche 1 und 9 gelöst.These and other objects are achieved by the features of claims 1 and 9.

Das erfindungsgemässe Verfahren zum automatischen Öffnen einer oben offenen Tragetasche, die im Bereich der oberen Öffnung mit Henkeln zum Tragen der Tasche ausgestattet ist und unten einen ebenen Boden aufweist, für ein nachfolgendes Befüllen, wobei die Tragetasche sich vor dem Öffnen in einem flachen, zusammengefalteten Zustand befindet, in welchem der Boden an der Vorder- oder Rückwand anliegend umgeklappt ist, ist dadurch gekennzeichnet, dass in einem ersten Schritt die Tragetasche an ihren Henkeln aufgehängt wird, dass in einem zweiten Schritt der angeklappte Boden der hängenden Tragetasche ergriffen wird, dass in einem dritten Schritt der ergriffene Boden von der angeklappten Position in eine quer zur Tragetasche orientierte Position aufgeklappt und in dieser Position gehalten wird, und dass in einem vierten Schritt die hängende Tragetasche mit dem aufgeklappten Boden durch Einblasen von Luft in die obere Öffnung vollständig geöffnet wird.The inventive method for automatically opening an open-topped carrying bag, which is equipped in the region of the upper opening with handles for carrying the bag and below has a flat bottom, for a subsequent filling, wherein the bag is in a flat, folded state before opening, in which the bottom is folded adjacent to the front or rear wall, is characterized in that in a first step, the bag is hung on their handles, that in a second step the folded bottom of the hanging carrying bag is grasped, that in a third step the gripped bottom is folded from the folded position into a position oriented transversely to the bag position and held in this position, and that in a fourth step the hanging carrying bag with the unfolded bottom through Blowing air into the upper opening is fully opened.

Eine Ausgestaltung des Verfahrens nach der Erfindung ist dadurch gekennzeichnet, dass die Tragetasche während der Ausführung der vier Schritte kontinuierlich in einer vorgegebenen Transportrichtung weiterbewegt wird.An embodiment of the method according to the invention is characterized in that the carrier bag is continuously moved during the execution of the four steps in a predetermined transport direction.

Insbesondere ist das Aufklappen des Bodens im dritten Schritt mit der Bewegung der Tragetasche in der vorgegebenen Transportrichtung verknüpft.In particular, the unfolding of the bottom in the third step is linked to the movement of the carrier bag in the predetermined transport direction.

Vorzugsweise ist die vorgegebene Transportrichtung horizontal orientiert.Preferably, the predetermined transport direction is oriented horizontally.

Eine andere Ausgestaltung des Verfahrens nach der Erfindung ist dadurch gekennzeichnet, dass die Tragetasche im ersten Schritt mit ihren Henkeln an ein hakenförmiges Halteelement gehängt wird, welches den Henkeln beim Öffnen der Tragetasche einen ausreichenden Abstand der Henkel zueinander ermöglicht, und dass im vierten Schritt die Henkel auf dem hakenförmigen Halteelement voneinander weg bewegt werden.Another embodiment of the method according to the invention is characterized in that the carrier bag is hung in the first step with their handles on a hook-shaped support member which allows the handles when opening the carrying bag a sufficient distance of the handle to each other, and that in the fourth step, the handle be moved away from each other on the hook-shaped holding element.

Eine weitere Ausgestaltung des Verfahrens nach der Erfindung ist dadurch gekennzeichnet, dass im zweiten Schritt der Boden der Tragetasche an seiner Unterseite mittels eines Sauggreifers ergriffen wird.A further embodiment of the method according to the invention is characterized in that in the second step, the bottom of the carrier bag is gripped on its underside by means of a suction gripper.

Insbesondere wird beim Ergreifen des Bodens der Tragetasche die Tragetasche im Bereich des Bodens von der anderen Seite mittels eines Gegenhalters abgestützt.In particular, when gripping the bottom of the carrying bag, the carrying bag is supported in the region of the bottom from the other side by means of a counter-holder.

Insbesondere wird zum Aufklappen des Bodens der Tragetasche der Sauggreifer mit der Bewegung der Tragetasche in Transportrichtung um eine ortsfeste Schwenkachse verschwenkt.In particular, the suction pad is pivoted with the movement of the carrying bag in the transport direction about a fixed pivot axis for opening the bottom of the carrying bag.

Die erfindungsgemässe Vorrichtung zum Durchführen des Verfahrens nach der Erfindung ist gekennzeichnet durch eine Aufhängevorrichtung, eine Aufklappvorrichtung und eine Öffnungsvorrichtung, welche in einer Transportrichtung für die Tragetasche hintereinander angeordnet sind und durch Mittel zum Transport der Tragetasche miteinander in Verbindung stehen.The inventive device for carrying out the method according to the invention is characterized by a suspension device, a folding device and an opening device, which are arranged one behind the other in a transport direction for the carrier bag and communicate with each other by means for transporting the carrier bag.

Eine Ausgestaltung der Vorrichtung nach der Erfindung ist dadurch gekennzeichnet, dass die Mittel zum Transport der Tragetasche ein in Transportrichtung bewegbares hakenförmiges Halteelement umfassen, und dass die Aufhängevorrichtung zum Einhängen der Tragetasche mit ihren Henkeln in das hakenförmige Halteelement ausgebildet ist.An embodiment of the device according to the invention is characterized in that the means for transporting the carrying bag comprise a hook-shaped holding element which can be moved in the transport direction, and in that the suspension device for attaching the carrying bag with its handles is formed in the hook-shaped holding element.

Eine andere Ausgestaltung der Vorrichtung nach der Erfindung ist dadurch gekennzeichnet, dass die Aufklappvorrichtung einen mit Saugköpfen ausgestatteten Sauggreifer umfasst, welcher um eine ortsfeste, horizontale, quer zur Transportrichtung orientierte Schwenkachse in den Transportweg der Tragetasche hinein- und aus dem Transportweg der Tragetasche wieder herausschwenkbar gelagert ist.Another embodiment of the device according to the invention is characterized in that the opening device comprises a suction cups equipped with suction gripper, which in the transport path of the carrying bag in and out of the transport path of the carrying bag to swing out about a fixed, horizontal, oriented transversely to the transport direction pivot axis is.

Insbesondere umfasst die Aufklappvorrichtung einen Gegenhalter, welcher in Transportrichtung vor dem Sauggreifer angeordnet ist und mit einem Kopf in den Transportweg der Tragetasche hinein- und aus dem Transportweg der Tragetasche heraus bewegbar ist. Insbesondere ist der Kopf als horizontal und quer zur Transportrichtung der Tragetasche liegendes, stangeförmiges Element ausgebildet.In particular, the folding device comprises a counter-holder, which is arranged in the transport direction in front of the suction gripper and with a head into the transport path of the carrying bag in and out of the transport path of the carrying bag is movable out. In particular, the head is formed as horizontally and transversely to the transport direction of the carrying bag lying, rod-shaped element.

Eine weitere Ausgestaltung der Vorrichtung nach der Erfindung ist dadurch gekennzeichnet, dass die Öffnungsvorrichtung eine Luftdüse umfasst, die von oben auf die Öffnung der Tragetasche gerichtet ist.A further embodiment of the device according to the invention is characterized in that the opening device comprises an air nozzle which is directed from above onto the opening of the carrier bag.

Insbesondere ist die Luftdüse ortsfest angeordnet und weist eine sich in Transportrichtung der Tragetasche erstreckende, längliche Düsenöffnung auf.In particular, the air nozzle is arranged stationary and has an elongated nozzle opening extending in the transport direction of the carrier bag.

Insbesondere weist das hakenförmige Halteelement in der Transportrichtung der Tragetasche eine Länge auf, die dem Abstand der Henkel der Tragetasche im vollständig geöffneten Zustand entsprichtIn particular, the hook-shaped holding element in the transport direction of the carrier bag has a length which corresponds to the distance of the handle of the carrier bag in the fully opened state

KURZE ERLÄUTERUNG DER FIGURENBRIEF EXPLANATION OF THE FIGURES

Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen im Zusammenhang mit der Zeichnung näher erläutert werden. Es zeigen:

Fig. 1
in einer Frontalansicht (a) und in der Seitenansicht (b) eine beispielhafte Tragetasche (mit aussen liegenden Henkeln) im ungeöffneten gefalteten Zustand;
Fig. 2
in einer perspektivischen Ansicht eine Tragetasche mit integrierten Henkeln im geöffneten Zustand;
Fig. 3
eine andere beispielhafte Tragetasche mit vier über die Ecken gehenden, externen Henkeln im geöffneten Zustand;
Fig. 4
ein Blockschema einer Vorrichtung zum automatischen Öffnen (und Befüllen) einer Tragetasche gemäss einem Ausführungsbeispiel der Erfindung;
Fig. 5
in zwei Teilfiguren (a) und (b) zwei aufeinanderfolgende Teilschritte beim Ergreifen des Bodens der Tragetasche gemäss einem Ausführungsbeispiel der Erfindung;
Fig. 6
in zwei Teilfiguren (a) und (b) zwei aufeinanderfolgende Teilschritte beim Ausklappen des Bodens der Tragetasche gemäss einem Ausführungsbeispiel der Erfindung;
Fig. 7
in zwei Teilansichten (a) und (b) in einer Seitenansicht die Tragetasche mit ausgeklapptem Boden vor und nach dem blasluftgestützten, vollständigen Öffnen der Tasche; und
Fig. 8
das beispielhafte Füllen einer geöffneten und mittels Blasluft offen gehaltenen Tasche mit einer Flasche.
The invention will be explained in more detail with reference to embodiments in conjunction with the drawings. Show it:
Fig. 1
in an elevational view (a) and in side view (b) an exemplary carrying bag (with outboard handles) in the unopened folded state;
Fig. 2
in a perspective view of a carrying case with integrated handles in the open state;
Fig. 3
another exemplary carrying bag with four over the corners going, external handles in the open state;
Fig. 4
a block diagram of an apparatus for automatically opening (and filling) a carrying case according to an embodiment of the invention;
Fig. 5
in two sub-figures (a) and (b) two consecutive sub-steps in gripping the bottom of the carrier bag according to an embodiment of the invention;
Fig. 6
in two sub-figures (a) and (b) two successive steps in the unfolding of the bottom of the carrier bag according to an embodiment of the invention;
Fig. 7
in two partial views (a) and (b) in a side view of the carrier bag with the bottom folded out before and after the blasluftgestützten, opening the bag completely; and
Fig. 8
the exemplary filling an open and kept open by blowing air bag with a bottle.

WEGE ZUR AUSFÜHRUNG DER ERFINDUNGWAYS FOR CARRYING OUT THE INVENTION

Fig. 1 zeigt in zwei Teilfiguren 1 (a) und 1 (b) eine für die Erfindung geeignete beispielhafte Tragetasche 10 in einer Frontalansicht (Fig. 1 (a)) und in der Seitenansicht (Fig. 1 (b)). Die Tragetasche 10 befindet sich in dieser Darstellung im ungeöffneten gefalteten Zustand. Die Tragetasche 10 hat eine Vorder- und Rückwand und zwei schmalere Seitenwände, die im zusammengefalteten Zustand (die gestrichelten Linien deuten die innenliegenden Faltlinien an) nicht zu sehen sind. Die Vorderseite ist in Fig. 1 (a) mit 13 bezeichnet. Fig. 1 shows in two sub-figures 1 (a) and 1 (b) an exemplary carrying bag 10 suitable for the invention in a front view ( Fig. 1 (a) ) and in the side view ( Fig. 1 (b) ). The carrier bag 10 is in this view in the unopened folded state. Carrying bag 10 has front and rear walls and two narrower sidewalls which are not visible in the collapsed state (the dashed lines indicate the inner fold lines). The front is in Fig. 1 (a) denoted by 13.

Die in Fig. 1 dargestellte Tragetasche 10 hat einen flachen, weitgehend stabilen Boden 11, der im zusammengefalteten Zustand nach oben an die Vorderwand 13 herangeklappt ist und zum Öffnen der Tasche ausgeklappt werden muss. Die Tragetasche 10 besteht häufig aus einem stärkeren Papier, wie es beispielsweise als Packpapier verwendet wird. Sie kann aber auch aus Kunststofffolien aufgebaut sein. Im Beispiel der Fig. 1 sind am oberen offenen Ende der Tragetasche 10 zwei separate Henkel 12a und 12a an Vorder- bzw. Rückwand angebracht, die nach oben herausstehen und aus einem anderen Material bestehen können, als die übrige Tragetasche.In the Fig. 1 shown carrying bag 10 has a flat, largely stable bottom 11, which is folded up in the folded state up to the front wall 13 and has to be unfolded to open the bag. The carrier bag 10 is often made of a stronger paper, as used for example as wrapping paper. But it can also be constructed of plastic films. In the example of Fig. 1 At the upper open end of the carrying bag 10, two separate handles 12a and 12a are attached to the front and rear walls, respectively, which protrude upwards and can be made of a different material than the rest of the carrying bag.

Wie Fig. 2 deutlich macht, können die Henkel 12a und 12b aber auch in die Vorder- bzw. Rückwand integriert sein, in dem dort entsprechende Eingriffsöffnungen vorgesehen werden. Zusätzlich sind im Henkelbereich bei dieser Lösung meist noch Wandverstärkungen vorhanden, die ein Einreissen der Henkel beim Tragen verhindern. Da die Tasche der Fig. 2 im geöffneten Zustand dargestellt ist, ist hier auch eine Seitenwand 14 sichtbar.As Fig. 2 makes clear, the handles 12a and 12b but also be integrated into the front and rear walls, in which there are provided corresponding engagement openings. In addition, in the handle area in this solution usually wall reinforcements are still available, which prevent tearing of the handles when wearing. Since the bag of Fig. 2 is shown in the open state, here is also a side wall 14 visible.

Es sind im Rahmen der Erfindung aber auch andere Arten von Tragetaschen denkbar. Fig. 3 zeigt beispielsweise eine Tragetasche 10, die im geöffneten Zustand eine deutlich vergrösserte Breite aufweist. Hier sind über die vier Ecken verteilt vier Henkel 12a-d vorgesehen, die als verstärkende Gurte um die Tasche herum weitergeführt sind.However, other types of carrier bags are also conceivable within the scope of the invention. Fig. 3 shows, for example, a carrying bag 10, which has a significantly increased width in the open state. Here four handles 12a-d are distributed over the four corners, which are continued around the bag as reinforcing straps.

Die gezeigten Taschen werden im Rahmen der vorliegenden Erfindung im zusammengefalteten Zustand gestapelt einer Vorrichtung zugeführt, in der die Taschen zunächst vereinzelt werden, so dass nacheinander jede einzelne Tasche aus dem zusammengefalteten Zustand heraus entfaltet, dann geöffnet und schliesslich im geöffneten Zustand mit beliebigen Waren oder Gegenständen befüllt werden kann.The bags shown are stacked in the context of the present invention in the folded state fed to a device in which the bags are first separated, so that successively unfolds each bag from the folded state out, then open and finally in the open state with any goods or objects can be filled.

Fig. 4 zeigt ein Blockschema einer Vorrichtung 24 zum automatischen Öffnen (und Befüllen) einer Tragetasche gemäss einem Ausführungsbeispiel der Erfindung. Die Öffnungsvorrichtung 24 der Fig. 4 umfasst eine Aufhängevorrichtung 17, eine Aufklappvorrichtung 18, die eigentliche Öffnungsvorrichtung 19 und zwei von üblicherweise mehreren nachfolgenden Befüllvorrichtungen 20, 21, in denen das sukzessive Befüllen der Tragetaschen mit unterschiedlichen Artikeln vorgenommen wird. Die einzelnen Vorrichtungen 17 bis 21 sind in einer Transportrichtung hintereinander angeordnet, so dass die einzelnen Tragetaschen, die der Vorrichtung 24 an einer Tascheneingabe 16 zugeführt werden, nacheinander die verschiedenen Vorrichtungen 17 bis 21 und folgende durchlaufen. Der Transport der Taschen in der, vorzugsweise horizontal orientierten, Transportrichtung (in Fig. 4 von links nach rechts) erfolgt mittels einer nicht näher dargestellten Transportvorrichtung, die beispielsweise auf einer Schiene laufende Wagen oder dgl. umfassen kann. Den Befüllvorrichtungen 20, 21 ist jeweils eine Warenzufuhr 22 zugeordnet, über die zum Befüllen vorgesehene Waren bzw. Artikel zugeführt werden. Darüber hinaus ist für jede Befüllvorrichtung 20, 21 eine Luftzufuhr 23 vorgesehen, über die Blasluft zugeführt wird, die zum Offenhalten der geöffneten Tragetaschen benötigt wird (siehe dazu auch Fig. 8). Fig. 4 shows a block diagram of a device 24 for automatically opening (and filling) a carrying bag according to an embodiment of the invention. The opening device 24 of Fig. 4 comprises a suspension device 17, a folding device 18, the actual opening device 19 and two of usually several subsequent filling devices 20, 21, in which the successive filling of the carrier bags is made with different articles. The individual devices 17 to 21 are arranged one behind the other in a transport direction, so that the individual carrier bags, which are supplied to the device 24 at a pocket input 16, successively pass through the various devices 17 to 21 and following. The transport of the pockets in the, preferably horizontally oriented, transport direction (in Fig. 4 from left to right) by means of a transport device, not shown, which may for example run on a rail car or the like. May. The filling devices 20, 21 are each assigned a goods feed 22, via which goods or articles intended for filling are supplied. In addition, an air supply 23 is provided for each filling device 20, 21, is supplied via the blown air, which is required to keep open the opened carrying bags (see also Fig. 8 ).

Die Bewegung der Tragetaschen in Transportrichtung durch die Öffnungsvorrichtung 24 hindurch erfolgt zügig und kontinuierlich, vorzugsweise mit annähernd gleichbleibender Geschwindigkeit, so dass alle Vorgänge beim Öffnen und Befüllen an der vorbeibewegten Tragetasche stattfinden.The movement of the carrier bags in the transport direction through the opening device 24 is carried out quickly and continuously, preferably at approximately constant speed, so that all operations take place when opening and filling the passing bag.

Die Fig. 5 und 6 zeigen mehrere Schritte beim Aufklappen bzw. Auffalten der zusammengefalteten Tragetaschen 10. Die Tragetaschen 10 hängen dabei bereits in speziellen hakenförmigen Halteelementen 26, die mittels einer (nur angedeuteten) Transportvorrichtung 25 gleichförmig entlang der Transportrichtung bewegt werden und die eingehängten Tragetaschen 10 mitnehmen.The Fig. 5 and 6 show several steps in the unfolding or unfolding of the folded carrier bags 10. The carrier bags 10 are already hanging in special hook-shaped holding elements 26 by means of a (only hinted) transport device 25 are moved uniformly along the transport direction and take the hinged carrying bags 10.

Das Aufklappen bzw. Auffalten der Tragetaschen 10 erfolgt in der Aufklappvorrichtung 18. Zuvor sind dazu die Taschen einzeln in der Aufhängevorrichtung 17 mit ihren Henkeln 12a,b in die vorbeibewegten Halteelemente 26 eingehängt worden. Ein in der Aufklappvorrichtung durchgeführter wesentlicher Schritt besteht darin, den angeklappten Boden 11 herauszuklappen, so dass er seine endgültige und für das Befüllen notwendige horizontale Endlage einnimmt (Fig. 6(b)). Dazu wird der Boden 11 gemäss Fig. 5 mittels eines pneumatisch arbeitenden Sauggreifers 30 an seiner Unterseite ergriffen und dann durch ein Schwenken des Sauggreifers 30 um eine durch ein Schwenklager 34 definierte horizontale und zur Transportrichtung senkrecht orientierte Schwenkachse herausgeklappt. Der Sauggreifer 30 weist dazu mehrere auf einer Trägerplatte 32 verteilt angeordnete Saugköpfe 31 auf, die gegen die Unterseite des Bodens 11 gedrückt werden. Damit der Saugmechanismus an dem Boden 11 der frei hängenden Tragetasche 10 erfolgreich angreifen kann, wird gleichzeitig mit dem gegenläufigen Einschwenken des Sauggreifers 30 in die Transportbahn der Tragetasche 10 von der anderen Seite ein Gegenhalter 27 aktiviert, der mittels eines Arbeitszylinders 28 zum Gegenhalten einen Kopf 29 gegen den dem Boden 11 gegenüberliegenden Bereich der Tragetasche 10 drückt.The unfolding or unfolding of the carrier bags 10 takes place in the unfolding device 18. Previously, the bags have been individually hung in the suspension device 17 with their handles 12a, b in the past moving holding elements 26. An essential step carried out in the folding device is to fold out the flapped bottom 11 so that it assumes its final horizontal end position necessary for filling ( Fig. 6 (b) ). For this purpose, the bottom 11 according Fig. 5 gripped by means of a pneumatically operated suction pad 30 on its underside and then folded out by pivoting the suction pad 30 about a defined by a pivot bearing 34 horizontal and the transport direction vertically oriented pivot axis. For this purpose, the suction gripper 30 has a plurality of suction heads 31 distributed on a carrier plate 32, which are pressed against the underside of the bottom 11. Thus, the suction mechanism on the bottom 11 of the free-hanging bag 10 can attack successfully, simultaneously with the opposite pivoting of the suction pad 30 in the transport path of the carrier bag 10 from the other side a counter-holder 27 is activated, by means of a working cylinder 28 for holding a head 29th against the bottom 11 opposite area of the carrying bag 10 presses.

Liegen gemäss Fig. 5(b) der Kopf 29 des Gegenhalters 27 und die Saugköpfe 31 des Sauggreifers 30 an der Tragetasche 10 an, kann sich der Sauggreifer 30 an der Unterseite des Bodens 11 festsaugen. Beim Weiterbewegen der Tragetasche 10 in Transportrichtung schwenkt der Sauggreifer 30 um seine Schwenkachse herum aus der Transportbahn der Tragetasche 10 heraus (Fig. 6(a) -> Fig. 6(b)), bis der Boden 11 in seine endgültige horizontale Lage kommt (Fig. 6(b)).Lie according to Fig. 5 (b) the head 29 of the counter-holder 27 and the suction cups 31 of the suction pad 30 on the carrying bag 10, the suction pad 30 can be fixed to the underside of the bottom 11. As the carrier bag 10 advances in the transport direction, the suction gripper 30 pivots out of the transport path of the carrier bag 10 about its pivot axis (Fig. 6 (a) -> Fig. 6 (b)) ) until the bottom 11 is in its final horizontal position ( Fig. 6 (b) ).

Gleichzeitig mit dem Herausklappen des Bodens 11 löst sich auch der eingefaltete Zustand der Tragetasche 10 ein wenig, so dass sich im oberen Bereich der Tragetasche 10 eine schmale Öffnung auftut, die zum eigentlichen Öffnen der Tasche herangezogen werden kann. Dies passiert gemäss Fig. 7 in der Öffnungsvorrichtung 19, in der die im Bodenbereich aufgefaltete Tasche unter einer Luftdüse 35 vorbeibewegt wird, die Blasluft 36 in die schmale Öffnung der Tasche einbläst (Fig. 7(a)) und damit die Tragetasche 10 vollständig öffnet (Fig. 7(b)). Diese vollständige Öffnung wird dadurch ermöglicht, dass die Henkel 12a,b auf dem hakenförmigen Halteelement 26 genügend weit auseinanderrutschen können. Dazu weist das hakenförmige Halteelement 26 in der Transportrichtung der Tragetasche 10 eine Länge auf, die dem Abstand der Henkel 12a,b der Tragetasche 10 im vollständig geöffneten Zustand entspricht.Simultaneously with the folding out of the bottom 11, the folded-in state of the carrying bag 10 loosens a little, so that in the upper region of the carrying bag 10, a narrow opening opens, which can be used to actually open the bag. This happens according to Fig. 7 in the opening device 19, in which the pocket unfolded in the bottom region is moved under an air nozzle 35, the blown air 36 blows into the narrow opening of the pocket ( Fig. 7 (a) ) and thus the carrying bag 10 completely opens ( Fig. 7 (b) ). This complete opening is made possible by the fact that the handles 12a, b on the hook-shaped holding element 26 can slip apart sufficiently far. For this purpose, the hook-shaped holding element 26 in the transport direction of the carrying bag 10 has a length which corresponds to the spacing of the handles 12a, b of the carrying bag 10 in the fully opened state.

Ist die Tragetasche gemäss Fig. 7(b) vollgeöffnet, bewegt sich die geöffnete Tragetasche 10 zur ersten Befüllvorrichtung 20 weiter, die beispielhaft in Fig. 8 wiedergegeben ist. Auch in jeder Befüllvorrichtung 20, 21 ist vorzugsweise eine Luftdüse 37 vorgesehen, die durch Eindüsen von Blasluft 36, die über eine Zuleitung 38 zugeführt wird, während des Befüllvorgangs die Tragetasche 10 offenhält, so dass (im Beispiel der Fig. 8) eine Flasche 39 in die Tasche eingeworfen werden kann. Dabei ist es zweckmässig die Tragetasche 20 bodenseitig durch eine Unterstützungsfläche 40 abzustützen, damit der Boden 11 beim Füllen nicht nachgibt oder beschädigt wird.Is the carrier bag according to Fig. 7 (b) fully opened, the opened carrying bag 10 moves on to the first filling device 20, which is shown by way of example in FIG Fig. 8 is reproduced. Also in each filling device 20, 21, an air nozzle 37 is preferably provided, which holds the carrying bag 10 open by injecting blown air 36, which is supplied via a feed line 38, during the filling operation, so that (in the example of Fig. 8 ) a bottle 39 can be thrown into the bag. It is expedient to support the carrying bag 20 on the bottom side by a support surface 40, so that the bottom 11 does not yield during filling or is damaged.

Ist die Tragetasche 10 schliesslich nach Durchlaufen mehrere Befüllvorrichtungen mit den vorbestimmten Artikeln gefüllt, kann sie entweder am Halteelement 26 hängend weitertransportiert werden, oder wird ausgehängt, indem bei abgesetzter Tragetasche das Haltelement 26 nach oben aus den Henkeln 12a, b herausgeschwenkt wird.If the carrying bag 10 is finally filled after passing through several filling devices with the predetermined articles, it can either be transported suspended on the holding element 26, or is posted by the holding element 26 is pivoted upwards out of the handles 12a, b with a detached carrying bag.

Claims (16)

Verfahren zum automatischen Öffnen einer oben offenen Tragetasche (10), die im Bereich der oberen Öffnung (15) mit Henkeln (12a-d) zum Tragen der Tasche ausgestattet ist und unten einen ebenen Boden (11) aufweist, für ein nachfolgendes Befüllen, wobei die Tragetasche (10) sich vor dem Öffnen in einem flachen, zusammengefalteten Zustand befindet, in welchem der Boden (11) an der Vorderoder Rückwand (13) anliegend umgeklappt ist, dadurch gekennzeichnet, dass in einem ersten Schritt die Tragetasche (10) an ihren Henkeln (12a-d) aufgehängt wird, dass in einem zweiten Schritt der angeklappte Boden (11) der hängenden Tragetasche (10) ergriffen wird, dass in einem dritten Schritt der ergriffene Boden (11) von der angeklappten Position in eine quer zur Tragetasche (10) orientierte Position aufgeklappt und in dieser Position gehalten wird, und dass in einem vierten Schritt die hängende Tragetasche (10) mit dem aufgeklappten Boden (11) durch Einblasen von Luft in die obere Öffnung (15) vollständig geöffnet wird.A method of automatically opening an open-topped carrying case (10) provided with handles (12a-d) for carrying the bag in the region of the top opening (15) and having a flat bottom (11) at the bottom, for subsequent filling the carrying bag (10) is in a flat, folded state before being opened, in which the bottom (11) is folded against the front or rear wall (13), characterized in that in a first step the carrying bag (10) adjoins Is hung in a second step, the folded bottom (11) of the hanging carrying bag (10) that in a third step, the gripped bottom (11) from the folded position into a transversely to the carrying bag ( 10) oriented position is opened and held in this position, and that in a fourth step, the hanging carrying bag (10) with the unfolded bottom (11) by blowing air into the upper opening (15) is completely opened. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Tragetasche (10) während der Ausführung der vier Schritte kontinuierlich in einer vorgegebenen Transportrichtung weiterbewegt wird.A method according to claim 1, characterized in that the carrying bag (10) during the execution of the four steps is continuously moved in a predetermined transport direction. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass das Aufklappen des Bodens (11) im dritten Schritt mit der Bewegung der Tragetasche (10) in der vorgegebenen Transportrichtung verknüpft ist.A method according to claim 2, characterized in that the unfolding of the bottom (11) is linked in the third step with the movement of the carrying bag (10) in the predetermined transport direction. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass die vorgegebene Transportrichtung horizontal orientiert ist.A method according to claim 2, characterized in that the predetermined transport direction is oriented horizontally. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Tragetasche (10) im ersten Schritt mit ihren Henkeln (12a-d) an ein hakenförmiges Halteelement (26) gehängt wird, welches den Henkeln (12a-d) beim Öffnen der Tragetasche (10) einen ausreichenden Abstand der Henkel (12a-d) zueinander ermöglicht, und dass im vierten Schritt die Henkel (12a-d) auf dem hakenförmigen Halteelement (26) voneinander weg bewegt werden.A method according to claim 1, characterized in that the carrying bag (10) in the first step with its handles (12a-d) is hung on a hook-shaped holding element (26) which the handles (12a-d) when opening the carrying bag (10). allows a sufficient distance of the handle (12a-d) to each other, and that in the fourth step, the handles (12a-d) on the hook-shaped holding element (26) are moved away from each other. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass im zweiten Schritt der Boden (11) der Tragetasche (10) an seiner Unterseite mittels eines Sauggreifers (30) ergriffen wird.A method according to claim 2, characterized in that in the second step, the bottom (11) of the carrying bag (10) is gripped on its underside by means of a suction gripper (30). Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass beim Ergreifen des Bodens (11) der Tragetasche (10) die Tragetasche (10) im Bereich des Bodens (11) von der anderen Seite mittels eines Gegenhalters (27) abgestützt wird.A method according to claim 6, characterized in that when gripping the bottom (11) of the carrying bag (10), the carrying bag (10) in the region of the bottom (11) from the other side by means of a counter-holder (27) is supported. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass zum Aufklappen des Bodens (11) der Tragetasche (10) der Sauggreifer (30) mit der Bewegung der Tragetasche (10) in Transportrichtung um eine ortsfeste Schwenkachse (34) verschwenkt wird.A method according to claim 6, characterized in that for the opening of the bottom (11) of the carrying bag (10) of the suction pad (30) with the movement of the carrying bag (10) in the transport direction about a fixed pivot axis (34) is pivoted. Vorrichtung zum Durchführen des Verfahrens nach einem der Ansprüche 1 bis 8, gekennzeichnet durch eine Aufhängevorrichtung (17), eine Aufklappvorrichtung (18) und eine Öffnungsvorrichtung (19), welche in einer Transportrichtung für die Tragetasche (10) hintereinander angeordnet sind und durch Mittel zum Transport der Tragetasche (10) miteinander in Verbindung stehen.Device for carrying out the method according to one of claims 1 to 8, characterized by a suspension device (17), a folding device (18) and an opening device (19), which are arranged one behind the other in a transport direction for the carrying bag (10) and by means for Transport the carrying bag (10) communicate with each other. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Mittel zum Transport der Tragetasche (10) ein in Transportrichtung bewegbares hakenförmiges Halteelement (26) umfassen, und dass die Aufhängevorrichtung (17) zum Einhängen der Tragetasche (10) mit ihren Henkeln (12a-d) in das hakenförmige Halteelement (26) ausgebildet ist.Apparatus according to claim 9, characterized in that the means for transporting the carrying bag (10) comprise a hook-shaped holding element (26) which can be moved in the transport direction, and in that the suspension device (17) for suspending the carrying bag (10) with its handles (12a-d) ) is formed in the hook-shaped holding element (26). Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Aufklappvorrichtung (18) einen mit Saugköpfen (31) ausgestatteten Sauggreifer (30) umfasst, welcher um eine ortsfeste, horizontale, quer zur Transportrichtung orientierte Schwenkachse (34) in den Transportweg der Tragetasche (10) hinein- und aus dem Transportweg der Tragetasche (10) wieder herausschwenkbar gelagert ist.Device according to claim 9, characterized in that the opening device (18) comprises a suction gripper (30) equipped with suction heads (31), which moves into the transport path of the carrying bag (10) about a fixed horizontal pivot axis (34) oriented transversely to the transport direction. in and out of the transport of the carrying bag (10) is pivoted out again. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass die Aufklappvorrichtung einen Gegenhalter (27) umfasst, welcher in Transportrichtung vor dem Sauggreifer (30) angeordnet ist und mit einem Kopf (29) in den Transportweg der Tragetasche (10) hinein- und aus dem Transportweg der Tragetasche (10) heraus bewegbar ist.Apparatus according to claim 11, characterized in that the unfolding device comprises a counter-holder (27) which is arranged in the transport direction in front of the suction gripper (30) and with a head (29) in the transport path of the carrying bag (10) in and out of the transport path the carrying bag (10) is movable out. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass der Kopf (29) als horizontal und quer zur Transportrichtung der Tragetasche (10) liegendes, stangeförmiges Element ausgebildet ist.Apparatus according to claim 12, characterized in that the head (29) as horizontally and transversely to the transport direction of the carrying bag (10) lying, rod-shaped element is formed. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Öffnungsvorrichtung (19) eine Luftdüse (35) umfasst, die von oben auf die Öffnung (15) der Tragetasche (10) gerichtet ist.Apparatus according to claim 9, characterized in that the opening device (19) comprises an air nozzle (35) which is directed from above onto the opening (15) of the carrying bag (10). Vorrichtung nach Anspruch 14, dadurch gekennzeichnet, dass die Luftdüse (35) ortsfest angeordnet ist und eine sich in Transportrichtung der Tragetasche (10) erstreckende, längliche Düsenöffnung aufweist.Apparatus according to claim 14, characterized in that the air nozzle (35) is arranged stationary and has an elongated nozzle opening extending in the transport direction of the carrier bag (10). Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass das hakenförmige Halteelement (26) in der Transportrichtung der Tragetasche (10) eine Länge aufweist, die dem Abstand der Henkel (12a-d) der Tragetasche (10) im vollständig geöffneten Zustand entspricht.Apparatus according to claim 10, characterized in that the hook-shaped holding element (26) in the transport direction of the carrying bag (10) has a length which corresponds to the distance of the handle (12a-d) of the carrying bag (10) in the fully open state.
EP15000526.2A 2014-03-10 2015-02-24 Method for automatically opening a handle bag and device for carrying out the method Not-in-force EP2918501B1 (en)

Applications Claiming Priority (1)

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CH00349/14A CH709346A1 (en) 2014-03-10 2014-03-10 A method for automatically opening a carrying bag, as well as apparatus for carrying out the method.

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EP2918501B1 EP2918501B1 (en) 2016-04-06

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EP3461753A1 (en) * 2017-09-28 2019-04-03 Ferag Ag Method for automatically opening a load carrier and device for carrying out the method

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CN105253375A (en) * 2015-10-30 2016-01-20 无锡大东机械制造有限公司 Bag pick-up feeding mechanism
EP3461753A1 (en) * 2017-09-28 2019-04-03 Ferag Ag Method for automatically opening a load carrier and device for carrying out the method
US10919658B2 (en) 2017-09-28 2021-02-16 Ferag Ag Method for the automatic opening of a carrier means as well as an appliance for carrying out the method

Also Published As

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EP2918501B1 (en) 2016-04-06
CH709346A1 (en) 2015-09-15

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