EP1038773A1 - Packaging machine - Google Patents

Packaging machine Download PDF

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Publication number
EP1038773A1
EP1038773A1 EP00104887A EP00104887A EP1038773A1 EP 1038773 A1 EP1038773 A1 EP 1038773A1 EP 00104887 A EP00104887 A EP 00104887A EP 00104887 A EP00104887 A EP 00104887A EP 1038773 A1 EP1038773 A1 EP 1038773A1
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EP
European Patent Office
Prior art keywords
packaging machine
machine according
chain
chain center
output side
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
EP00104887A
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German (de)
French (fr)
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EP1038773B1 (en
Inventor
Hans Natterer
Elmar Ehrmann
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.)
Multivac Sepp Haggenmueller GmbH and Co KG
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Multivac Sepp Haggenmueller GmbH and Co KG
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Publication of EP1038773A1 publication Critical patent/EP1038773A1/en
Application granted granted Critical
Publication of EP1038773B1 publication Critical patent/EP1038773B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
    • B65B7/164—Securing by heat-sealing

Definitions

  • the invention relates to a packaging machine with a frame with an input and output side, a plurality a path from the input side to the output side one after the other arranged shell carriers for receiving shells and a drive for moving the shell carrier in one Feed plane.
  • the object of the invention is such a known device to improve so that the bowl-shaped packs with for the respective product suitable top films of various Materials and especially as skin packs on permanent and can be locked in an attractive way.
  • the packaging machine a frame with an input side 2 and one Exit page 3 on. Along the frame are from the entrance side to the exit side a plurality of shell supports 4 transported. Transversely to this feed direction 10 the Frame in the best way seen from FIG. 4 on each Side on a slideway that extends from the entrance side extends to the exit side and from the exit side in the best seen in Fig. 1 in a closed manner Track from the top to the bottom of the frame and from there to the entrance side and from the entrance side again in the upper area runs.
  • the shell carrier 4 are in the best seen in Fig. 3 way each via connecting links 6 hinged together.
  • the links each have near the adjacent ends laterally provided rollers 7, with which to a kind of strand connected to a plurality of shell carriers on the slideways 5 continuously through the frame is movable.
  • An engagement element 8 is provided at the end of a shell carrier, which is arranged between the shell supports 4 and the rollers 7 is.
  • a drive chain 9 is provided. This is designed as a revolving chain center and is opened the input side via a pulley 10 from a lower one Diverted web to an upper web and over a section, which corresponds to a length of at least two shell supports 4, guided over a slideway 11, the chain from below supported and parallel to the path of the shell beams leads. After leaving the slideway, the chain is over a second deflection roller 12 and a motor-driven chain sprocket 13 led back to the deflection roller 10.
  • the engaging elements 8 have, as best seen in Fig. 2 is on its side facing the drive chain 9 Teeth 14, which are designed so that they with the drive chain 9 engage in attack.
  • the slide 11 is arranged in height so that the chain is firmly on the underside of the engaging elements 8 thus engages with presses the teeth 14.
  • Fig. 1 will be close to the entrance side at a station 15 shells 16 in the shell carrier 4 used. These are either already filled or are being filled filled immediately after insertion. In the feed direction after the place where the bowls are set and filled, becomes an upper film 17 for covering and closing the shells fed.
  • the device for feeding the top film 17 has a roller holder 18 for receiving an indicated Foil roll and pulleys 19, 20 on. How best to look Fig. 1 can be seen is above the plane in which the Shell carrier 4 with the inserted shells from the input side be moved to the exit side, a chain conveyor provided with a transport chain 21.
  • the transport chain conveyor includes an input side first sprocket 22 and a second sprocket 23 on the output side.
  • the transport chain 21 is designed as a rotating chain center. Between two sprockets 22 and 23 is one of the best of the figures 1 and 2 visible slideway provided that a guideway 24 has, on the underside of the chain between the first sprocket 22 and the second sprocket 23 in the feed direction running. There is also a second guideway 25 provided on the returning part of the transport chain 21 is guided between the second and the first sprocket.
  • the first guideway is designed so that the transport chain 21 performed directly above the engaging elements 8 is, as can be seen from Fig. 2.
  • the engaging elements 8 have on their lower teeth 14 facing away from the upper Side corresponding teeth 26, which are designed so that they come into engagement with the transport chain 21.
  • the order the guide track 24 is chosen so that it is the transport chain 21 against the engaging element 8 and thus engaged with the teeth 26 leads.
  • the transport chain 21 is in turn on the two sides of the to form leading shell supports symmetrically with the corresponding guide elements, as best shown in Fig. 4 can be seen.
  • the transport chain 21 is known to have 4 brackets on the side of the pan support 27, which when rotating around the first sprocket 22 in known Way of running in the upper film 17 to be transported are opened at a predetermined angle and then close and the upper film 17 in the one shown in Fig. 4 Grip tightly on both sides and so over the pulley 20 supplied top film 17 directly over the Steer shells and through the stations to the second sprocket transport there.
  • the drive of the transport chain 21 is inevitable by the engagement of the engagement elements 8 with the Chain, as best seen in Fig. 2.
  • the Transport chain 21 is therefore always in motion when the drive chain 9 via the motor driving the chain wheel 13 in Movement is set.
  • the brackets open up when opening the second sprocket 23 opened in a manner known per se and release the top film.
  • the top film 17 is from the on both sides the transport chains 21 arranged firmly gripped immediately above the trays through the work stations guided. In cases where the product is within the trays are arranged, normal sealing takes place in station 28. However, the same machine is also suitable Seal packs where the product is above the top The edge of the shell protrudes because the top film has a tension is held and the product presses into the bowl and then closing. The closed shells are ejected on the output side from the shell supports 4 and via an indicated conveyor belt 30 to a station for Further processing moves.
  • FIG. 5 shows a modified embodiment, at which is the same as that of the first embodiment Parts are provided with the same reference numerals.
  • the modified embodiment differs only by the provision of a heater 31 on the input side the place where the top film is fed to those to be closed Bowls lies.
  • the heater 31 is over plate heating covering the entire width of the top film trained, spread over their area, a plurality of has holes connected to an evacuation device.
  • the film guided along the heating device 31 is attached to the Heater sucked in and by contact heat to a predetermined Temperature warmed.
  • the evacuation switched off and the film detached from the heating device and passed over the trays when heated. Meets in operation such a heated film on a product which protrudes over the upper edge of the bowl, so the Foil in the area of the protruding product, so that the Product is not deformed by the stretched top film.
  • the closing station can be designed as a skin station, such that the heated top film in a known manner is deformed so that it hermetically surrounds the product.

Abstract

A frame (1) has input (2) and output (3) sides. Several tray carriers (4) set one after the other on a track from the input to the output side pick up trays (16). A driving mechanism (9,13) moves the tray carriers forwards on a slide. A feeding device feeds in foil (17) to cover trays when full. The successive tray carriers are linked by movable, flexible coupling links.

Description

Die Erfindung betrifft eine Verpackungsmaschine mit einem Rahmen mit einer Eingangs- und Ausgangsseite, einer Mehrzahl auf einer Bahn von der Eingangsseite zur Ausgangsseite nacheinander angeordneten Schalenträgern zum Aufnehmen von Schalen und einem Antrieb zum Vorwärtsbewegen der Schalenträger in einer Vorschubebene.The invention relates to a packaging machine with a frame with an input and output side, a plurality a path from the input side to the output side one after the other arranged shell carriers for receiving shells and a drive for moving the shell carrier in one Feed plane.

Aufgabe der Erfindung ist es, eine solche bekannte Vorrichtung so zu verbessern, daß die schalenförmigen Packungen mit für das jeweilige Produkt geeigneten Oberfolien verschiedenster Materialien und insbesondere auch als Skinpackungen auf dauerhafte und ansprechende Weise verschlossen werden können.The object of the invention is such a known device to improve so that the bowl-shaped packs with for the respective product suitable top films of various Materials and especially as skin packs on permanent and can be locked in an attractive way.

Diese Aufgabe wird durch die in Patentanspruch 1 beschriebene Verpackungsmaschine gelöst.This object is described by the claim 1 Packaging machine solved.

Weiterbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet. Developments of the invention are characterized in the subclaims.

Weitere Merkmale und Zweckmäßigkeiten der Erfindung ergeben sich aus der Beschreibung von Ausführungsbeispielen anhand der Figuren. Von den Figuren zeigen:

Fig. 1
eine Seitenansicht einer ersten Ausführungsform der Verpackungsmachine;
Fig. 2
ein Detail der Fig. 1 in vergrößertem Maßstab;
Fig. 3
eine Draufsicht auf den Schalenträger in vergrößertem Maßstab;
Fig. 4
einen Schnitt entlang der Linie IV-IV; und
Fig. 5
eine der Fig. 1 entsprechende Seitenansicht einer zweiten Ausführungsform.
Further features and advantages of the invention result from the description of exemplary embodiments with reference to the figures. From the figures show:
Fig. 1
a side view of a first embodiment of the packaging machine;
Fig. 2
a detail of Figure 1 on an enlarged scale.
Fig. 3
a plan view of the pan support on an enlarged scale;
Fig. 4
a section along the line IV-IV; and
Fig. 5
1 corresponding side view of a second embodiment.

Wie am besten aus Fig. 1 ersichtlich ist, weist die Verpackungsmaschine einen Rahmen mit einer Eingangsseite 2 und einer Ausgangsseite 3 auf. Entlang des Rahmens werden von der Eingangsseite zur Ausgangsseite eine Mehrzahl von Schalenträgern 4 transportiert. Quer zu dieser Vorschubrichtung 10 weist der Rahmen in der am besten aus Fig. 4 ersichtlichen Weise auf jeder Seite eine Gleitbahn auf, die sich von der Eigangsseite zur Ausgangsseite erstreckt und von der Ausgangsseite in der am besten aus Fig. 1 ersichtlichen Weise auf einer geschlossenen Bahn von oben in den unteren Bereich des Rahmens und von dort zur Eingangsseite und von der Eingangsseite wiederum in den oberen Bereich läuft. Die Schalenträger 4 sind in der am besten aus Fig. 3 ersichtlichen Weise jeweils über Verbindungsglieder 6 miteinander gelenkig verbunden. Die Verbindungsglieder weisen jeweils nahe der einander benachbarten Enden seitlich vorgesehene Laufrollen 7 auf, mit denen die zu einer Art Trum miteinander verbundene Mehrzahl von Schalenträgern auf den Gleitbahnen 5 laufend fortlaufend durch den Rahmen bewegbar ist. As best seen in Fig. 1, the packaging machine a frame with an input side 2 and one Exit page 3 on. Along the frame are from the entrance side to the exit side a plurality of shell supports 4 transported. Transversely to this feed direction 10 the Frame in the best way seen from FIG. 4 on each Side on a slideway that extends from the entrance side extends to the exit side and from the exit side in the best seen in Fig. 1 in a closed manner Track from the top to the bottom of the frame and from there to the entrance side and from the entrance side again in the upper area runs. The shell carrier 4 are in the best seen in Fig. 3 way each via connecting links 6 hinged together. The links each have near the adjacent ends laterally provided rollers 7, with which to a kind of strand connected to a plurality of shell carriers on the slideways 5 continuously through the frame is movable.

Wie am besten aus Fig. 2 ersichtlich ist, ist nahe bei jedem Ende eines Schalenträgers ein Eingriffselement 8 vorgesehen, welches zwischen den Schalenträgern 4 und den Laufrollen 7 angeordnet ist.As best seen in Figure 2, is close to everyone An engagement element 8 is provided at the end of a shell carrier, which is arranged between the shell supports 4 and the rollers 7 is.

Wie am besten aus Fig. 2 ersichtlich ist, ist unmittelbar unterhalb der Eingriffselemente eine Antriebskette 9 vorgesehen. Diese ist als umlaufendes Kettentrum ausgebildet und wird auf der Eingangsseite über eine Umlenkrolle 10 von einer unteren Bahn zu einer oberen Bahn umgelenkt und über einen Abschnitt, der einer Länge von wenigstens zwei Schalenträgern 4 entspricht, über eine Gleitbahn 11 geführt, die die Kette von unten unterstützt und parallel zu der Bahn der Schalenträger führt. Nach dem Verlassen der Gleitbahn wird die Kette über eine zweite Umlenkrolle 12 und ein motorisch antreibbares Kettenzahnrad 13 zurück zur Umlenkrolle 10 geführt. Die Eingriffselemente 8 besitzen, wie dies am besten aus Fig. 2 ersichtlich ist, auf ihrer der Antriebskette 9 zugewandten Seite Zähne 14, die so ausgebildet sind, daß sie mit der Antriebskette 9 angriffsmäßig in Eingriff gelangen. Die Gleitbahn 11 ist in ihrer Höhe so angeordnet, daß sie die Kette fest auf die Unterseite der Eingriffselemente 8 damit in Eingriff mit den Zähnen 14 drückt.As best seen in Fig. 2, is immediately below of the engagement elements, a drive chain 9 is provided. This is designed as a revolving chain center and is opened the input side via a pulley 10 from a lower one Diverted web to an upper web and over a section, which corresponds to a length of at least two shell supports 4, guided over a slideway 11, the chain from below supported and parallel to the path of the shell beams leads. After leaving the slideway, the chain is over a second deflection roller 12 and a motor-driven chain sprocket 13 led back to the deflection roller 10. The engaging elements 8 have, as best seen in Fig. 2 is on its side facing the drive chain 9 Teeth 14, which are designed so that they with the drive chain 9 engage in attack. The slide 11 is arranged in height so that the chain is firmly on the underside of the engaging elements 8 thus engages with presses the teeth 14.

Mit der oben beschriebenen Vorrichtung werden nach Einschalten des Antriebes für das Kettenzahnrad 13 die zu einem Trum verbundenen Schalenträger 4 von der Eingangsseite 2 zur Ausgangsseite 3 auf einer unendlichen Bahn durch die Maschine und die dort vorgesehenen Arbeitsstationen geführt.With the device described above, after switching on of the drive for the sprocket 13 connected to a strand Shell carrier 4 from the input side 2 to the output side 3 on an infinite path through the machine and the work stations provided there.

Wie am besten aus Fig. 1 ersichtlich ist, werden nahe der Eingangsseite an einer Station 15 Schalen 16 in die Schalenträger 4 eingesetzt. Diese sind entweder bereits befüllt oder werden unmittelbar nach dem Einsetzen befüllt. In Vorschubrichtung nach der Stelle, an der die Schalen gesetzt und befüllt sind, wird eine Oberfolie 17 zum Abdecken und Verschließen der Schalen zugeführt. Die Einrichtung zum Zuführen der Oberfolie 17 weist eine Rollenhalterung 18 zum Aufnehmen einer angedeuteten Folienrolle und Umlenkrollen 19, 20 auf. Wie am besten aus Fig. 1 ersichtlich ist, ist oberhalb der Ebene, in der die Schalenträger 4 mit den eingesetzten Schalen von der Eingangsseite zur Ausgangsseite bewegt werden, eine Transportkettenbahn mit einer Transportkette 21 vorgesehen. Die Transportkettenbahn umfaßt ein eingangsseitiges erstes Kettenrad 22 und ein ausgangsseitiges zweites Kettenrad 23. Die Transportkette 21 ist als umlaufendes Kettentrum ausgebildet. Zwischen den beiden Kettenrädern 22 und 23 ist eine am besten aus den Figuren 1 und 2 ersichtliche Gleitbahn vorgesehen, die eine Führungsbahn 24 aufweist, auf deren Unterseite die Kette zwischen dem ersten Kettenrad 22 und dem zweiten Kettenrad 23 in Vorschubrichtung läuft. Ferner ist eine zweite Führungsbahn 25 vorgesehen, auf der der zurücklaufende Teil der Transportkette 21 zwischen dem zweiten und dem ersten Kettenrad geführt wird. Die erste Führungsbahn ist so ausgebildet, daß die Transportkette 21 unmittelbar oberhalb der Eingriffselemente 8 geführt ist, wie dies aus Fig. 2 ersichtlich ist. Die Eingriffselemente 8 besitzen auf ihrer den unteren Zähnen 14 abgewandten oberen Seite entsprechende Zähne 26, die so ausgebildet sind, daß sie mit der Transportkette 21 in Eingriff gelangen. Die Anordnung der Führungsbahn 24 ist so gewählt, daß sie die Transportkette 21 gegen die Eingriffselement 8 und damit in Eingriff mit den Zähnen 26 führt.As best seen in Fig. 1, will be close to the entrance side at a station 15 shells 16 in the shell carrier 4 used. These are either already filled or are being filled filled immediately after insertion. In the feed direction after the place where the bowls are set and filled, becomes an upper film 17 for covering and closing the shells fed. The device for feeding the top film 17 has a roller holder 18 for receiving an indicated Foil roll and pulleys 19, 20 on. How best to look Fig. 1 can be seen is above the plane in which the Shell carrier 4 with the inserted shells from the input side be moved to the exit side, a chain conveyor provided with a transport chain 21. The transport chain conveyor includes an input side first sprocket 22 and a second sprocket 23 on the output side. The transport chain 21 is designed as a rotating chain center. Between two sprockets 22 and 23 is one of the best of the figures 1 and 2 visible slideway provided that a guideway 24 has, on the underside of the chain between the first sprocket 22 and the second sprocket 23 in the feed direction running. There is also a second guideway 25 provided on the returning part of the transport chain 21 is guided between the second and the first sprocket. The first guideway is designed so that the transport chain 21 performed directly above the engaging elements 8 is, as can be seen from Fig. 2. The engaging elements 8 have on their lower teeth 14 facing away from the upper Side corresponding teeth 26, which are designed so that they come into engagement with the transport chain 21. The order the guide track 24 is chosen so that it is the transport chain 21 against the engaging element 8 and thus engaged with the teeth 26 leads.

Die Transportkette 21 ist wiederum auf die beiden Seiten der zu führenden Schalenträger symmetrisch ausgebildet mit den entsprechenden Führungselementen, wie dies am besten aus Fig. 4 ersichtlich ist.The transport chain 21 is in turn on the two sides of the to form leading shell supports symmetrically with the corresponding guide elements, as best shown in Fig. 4 can be seen.

Die Transportkette 21 weist bei solchen Transportketten bekannterweise auf der zu der Seite der Schalenträger 4 Klammern 27 auf, die beim Umlaufen um das erste Kettenrad 22 in bekannter Weise zum Einlaufen der zu transportierenden Oberfolie 17 um einen vorbestimmten Winkel geöffnet sind und sich dann schließen und die Oberfolie 17 in der aus Fig. 4 ersichtlichen Weise beidseitig festspannend greifen und so die über die Umlenkrolle 20 zugeführte Oberfolie 17 unmittelbar über die Schalen lenken und durch die Stationen bis zum zweiten Kettenrad hin transportieren.In such transport chains, the transport chain 21 is known to have 4 brackets on the side of the pan support 27, which when rotating around the first sprocket 22 in known Way of running in the upper film 17 to be transported are opened at a predetermined angle and then close and the upper film 17 in the one shown in Fig. 4 Grip tightly on both sides and so over the pulley 20 supplied top film 17 directly over the Steer shells and through the stations to the second sprocket transport there.

Der Antrieb der Transportkette 21 ergibt sich zwangsläufig durch das in Eingriff kommen der Eingriffselemente 8 mit der Kette, wie dies am besten aus Fig. 2 ersichtlich ist. Die Transportkette 21 ist also stets in Bewegung, wenn die Antriebskette 9 über den das Kettenrad 13 antreibenden Motor in Bewegung gesetzt ist.The drive of the transport chain 21 is inevitable by the engagement of the engagement elements 8 with the Chain, as best seen in Fig. 2. The Transport chain 21 is therefore always in motion when the drive chain 9 via the motor driving the chain wheel 13 in Movement is set.

Auf der Ausgangsseite werden die Klammern beim Auflaufen auf das zweite Kettenrad 23 in an sich bekannter Weise geöffnet und geben die Oberfolie frei.On the exit side, the brackets open up when opening the second sprocket 23 opened in a manner known per se and release the top film.

Zwischen der Position der Zuführung der Oberfolie und dem zweiten Kettenrad 23 sind Arbeitsstationen wie eine schematisch angedeutete Verschließstation 28 und eine nicht gezeigte Schneidstation zum Ausschneiden der mit der Oberfolie verschlossenen Schalen aus der Folienbahn vorgesehen. Ausgangsseitig ist eine Rolle 29 angeordnet, die zum Aufwickeln der Folienreste der Oberfolienbahn dient.Between the position of the supply of the top film and the second sprocket 23 are workstations like one schematic indicated closing station 28 and a not shown Cutting station for cutting out those sealed with the top film Shells provided from the film web. Output side a roller 29 is arranged, which is used for winding the Remnants of the top film web are used.

Im Betrieb wird die Oberfolie 17, die von den auf beiden Seiten der Folienbahn angeordneten Transportketten 21 fest ergriffen unmittelbar oberhalb der Schalen durch die Arbeitsstationen geführt. In den Fällen, in denen das Produkt innerhalb der Schalen angeordnet ist, erfolgt ein normales Versiegeln in der Station 28. Die gleiche Maschine ist jedoch auch geeignet, Packungen zu verschließen, bei denen das Produkt über den oberen Schalenrand hervorsteht, da die Oberfolie mit einer Spannung gehalten wird und das Produkt in die Schale hineindrückt und dann das Verschließen erfolgt. Die verschlossenen Schalen werden ausgangsseitig aus den Schalenträgern 4 ausgeworfen und über ein angedeutetes Transportband 30 zu einer Station zum Weiterverarbeiten bewegt.In operation, the top film 17 is from the on both sides the transport chains 21 arranged firmly gripped immediately above the trays through the work stations guided. In cases where the product is within the trays are arranged, normal sealing takes place in station 28. However, the same machine is also suitable Seal packs where the product is above the top The edge of the shell protrudes because the top film has a tension is held and the product presses into the bowl and then closing. The closed shells are ejected on the output side from the shell supports 4 and via an indicated conveyor belt 30 to a station for Further processing moves.

In Fig. 5 ist eine abgewandelte Ausführungsform gezeigt, bei der die mit der ersten Ausführungsform jeweils übereinstimmenden Teile mit den gleichen Bezugszeichen versehen sind.5 shows a modified embodiment, at which is the same as that of the first embodiment Parts are provided with the same reference numerals.

Die abgewandelte Ausführungsform unterscheidet sich nur durch das Vorsehen einer Heizeinrichtung 31, die eingangsseitig vor der Stelle der Zuführung der Oberfolie zu den zu verschließenden Schalen liegt. Die Heizeinrichtung 31 ist als sich über die gesamte Breite der Oberfolie erstreckende Plattenheizung ausgebildet, die über ihre Fläche verteilt, eine Mehrzahl von mit einer Evakuiereinrichtung verbundene Bohrungen aufweist. Jeweils in den Arbeitstakten, in denen die Folie in Ruhe ist, wird die entlang der Heizeinrichtung 31 geführte Folie an die Heizeinrichtung angesaugt und durch Kontaktwärme auf eine vorbestimmte Temperatur erwärmt. Anschließend wird die Evakuierung abgeschaltet und die Folie von der Heizeinrichtung abgelöst und in erwärmtem Zustand über die Schalen geführt. Trifft im Betrieb eine solche erwärmte Folie auf ein Produkt, welches über den oberen Rand der Schale hervorsteht, so dehnt sich die Folie im Bereich des hervorstehenden Produktes aus, so daß das Produkt nicht durch die gespannte Oberfolie deformiert wird.The modified embodiment differs only by the provision of a heater 31 on the input side the place where the top film is fed to those to be closed Bowls lies. The heater 31 is over plate heating covering the entire width of the top film trained, spread over their area, a plurality of has holes connected to an evacuation device. Each time in the work cycles in which the film is at rest, the film guided along the heating device 31 is attached to the Heater sucked in and by contact heat to a predetermined Temperature warmed. Then the evacuation switched off and the film detached from the heating device and passed over the trays when heated. Meets in operation such a heated film on a product which protrudes over the upper edge of the bowl, so the Foil in the area of the protruding product, so that the Product is not deformed by the stretched top film.

Die Verschließstation kann als Skin-Station ausgebildet werden, derart, daß die erhitzte Oberfolie in bekannter Weise so verformt wird, daß sie das Produkt hermetisch umgibt.The closing station can be designed as a skin station, such that the heated top film in a known manner is deformed so that it hermetically surrounds the product.

Claims (10)

Verpackungsmaschine mit einem Rahmen 1 mit einer Eingangs- (2) und einer Ausgangsseite (3), einer Mehrzahl auf einer Bahn von der Eingangsseite zur Ausgangsseite nacheinander angeordneten Schalenträgern (4) zum Aufnehmen von Schalen (16) und einem Antrieb (9, 13) zum Vorwärtsbewegen der Schalenträger (4) in einer Vorschubebene und einer Zuführeinrichtung zum Zuführen einer Oberfolie (17) zum Abdecken der gefüllten Schalen (16),
wobei jeweils aufeinanderfolgende Schalenträger (4) mittels beweglicher Verbindungsglieder (6) gelenkig verbunden sind und jeder Schalenträger (4) kopfseitig und rückseitig jeweils ein Eingriffselement (8) und der Antrieb (9, 13) ein um Umlenkrollen (10, 12) geführtes erstes Kettentrum (9), in welches die Eingriffselemente (8) in ihrer dem ersten Kettentrum (9) benachbarten Position eingreifen, aufweisen, und die Zuführeinrichtung ein die Oberfolie (17) seitlich erfassendes auf Umlenkrollen (22, 23) geführtes zweites Kettentrum (21) aufweist, welche über einen vorbestimmten Weg in einer zum ersten Kettentrum (9) parallelen Ebene parallel zu dem ersten Kettentrum (9) und in einem vorbestimmten Abstand von diesem geführt ist und die Eingriffselemente (8) wenigstens über einen Abschnitt des vorbestimmten Weges mit dem ersten bzw. zweiten Kettentrum (9, 21) in Eingriff sind. Packaging machine with a frame 1 with an input (2) and an output side (3), a plurality of tray supports (4) arranged one after the other on the path from the input side to the output side for receiving trays (16) and a drive (9, 13) for moving the tray supports (4) forward in a feed plane and a feed device for feeding an upper film (17 ) to cover the filled trays (16),
wherein successive shell supports (4) are connected in an articulated manner by means of movable connecting members (6) and each shell support (4) has an engagement element (8) and the drive (9, 13) has a first chain center (9) which is guided around deflection rollers (10, 12) and into which the engagement elements (8) engage in their position adjacent to the first chain center (9), and the feed device has a second chain center (21) which laterally grips the upper film (17) and is guided on deflection rollers (22, 23) and which, over a predetermined path, is parallel to the first chain center (9) and in, in a plane parallel to the first chain center (9) is guided a predetermined distance therefrom and the engagement elements (8) are in engagement with the first and second chain centers (9, 21) at least over a section of the predetermined path. Verpackungsmaschine nach Anspruch 1, dadurch gekennzeichnet, daß das erste Kettentrum (9) über einen Abschnitt parallel zu der Vorschubebene geführt ist, der wenigstens gleich dem Abstand zweier aufeinanderfolgender Eingriffselemente (8) ist.Packaging machine according to claim 1, characterized in that the first chain center (9) parallel over a section is led to the feed plane, which is at least the same the distance between two successive engagement elements (8) is. Verpackungsmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das zweite Kettentrum (21) um eine ausgangsseitig angeordnete (23) Umlenkrolle geführt ist und die Oberfolie (17) über die gefüllten Schalen (16) und durch eine Verschließstation (28) führt.Packaging machine according to claim 1 or 2, characterized in that that the second chain center (21) around an output side arranged (23) deflection roller is guided and the top film (17) over the filled trays (16) and through a sealing station (28) leads. Verpackungsmaschine nach Anspruch 3, dadurch gekennzeichnet, daß ausgangsseitig von der Verschließstation eine Schneidestation vorgesehen ist.Packaging machine according to claim 3, characterized in that a cutting station on the exit side of the sealing station is provided. Verpackungsmaschine nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß ausgangsseitig eine Wickelrolle (29) zum Aufnehmen von Oberfolienbahnabfall vorgesehen ist.Packaging machine according to claim 3 or 4, characterized in that that on the output side a winding roll (29) for Picking up top film web waste is provided. Verpackungsmaschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das zweite Kettentrum (21) auf einer den Eingriffselementen (8) zugewandten Gleitbahn (23, 24) geführt ist.Packaging machine according to one of claims 1 to 5, characterized characterized in that the second chain center (21) on a the engaging elements (8) facing slideway (23, 24) is. Verpackungsmaschine nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß in einem Abschnitt vor dem Inkontaktkommen vom zweiten Kettentrum (21) und Eingriffselemente (8) eine Heizeinrichtung (31) zum Erwärmen der Oberfolie (17) auf eine vorbestimmte Temperatur vorgesehen ist.Packaging machine according to one of claims 1 to 6, characterized characterized in that in a section before contact from the second chain center (21) and engaging elements (8) a heating device (31) for heating the upper film (17) is provided at a predetermined temperature. Verpackungsmaschine nach Anspruch 7, dadurch gekennzeichnet, daß die Heizeinrichtung (31) als großflächige Kontaktheizung ausgebildet ist.Packaging machine according to claim 7, characterized in that the heating device (31) as a large-area contact heating is trained. Verpackungsmaschine nach einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, daß auf der den Eingriffselementen (8) abgewandten Seite des ersten Kettentrums (9) in dem Bereich des Abschnittes ein Gleitwiderlager (11) zum Führen der Kette (9) vorgesehen ist.Packaging machine according to one of claims 2 to 8, characterized characterized in that on the engaging elements (8) opposite side of the first chain center (9) in the area the section a sliding abutment (11) for guiding the chain (9) is provided. Verpackungsmaschine nach Anspruch 3, dadurch gekennzeichnet, daß die Verschließstation (28) als Verschluß- und Schneidestation ausgebildet ist.Packaging machine according to claim 3, characterized in that the sealing station (28) as a sealing and cutting station is trained.
EP00104887A 1999-03-19 2000-03-08 Packaging machine Expired - Lifetime EP1038773B1 (en)

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DE19912491A DE19912491A1 (en) 1999-03-19 1999-03-19 Packaging machine

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CA (1) CA2300755C (en)
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ES (1) ES2178983T3 (en)

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Also Published As

Publication number Publication date
DE50000251D1 (en) 2002-08-08
EP1038773B1 (en) 2002-07-03
JP4382239B2 (en) 2009-12-09
DE19912491A1 (en) 2000-09-28
CA2300755C (en) 2007-08-21
CA2300755A1 (en) 2000-09-19
JP2000289701A (en) 2000-10-17
ES2178983T3 (en) 2003-01-16
US6282866B1 (en) 2001-09-04

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