EP1175343A1 - Device for closing plastic bottles - Google Patents

Device for closing plastic bottles

Info

Publication number
EP1175343A1
EP1175343A1 EP00931111A EP00931111A EP1175343A1 EP 1175343 A1 EP1175343 A1 EP 1175343A1 EP 00931111 A EP00931111 A EP 00931111A EP 00931111 A EP00931111 A EP 00931111A EP 1175343 A1 EP1175343 A1 EP 1175343A1
Authority
EP
European Patent Office
Prior art keywords
bottle
sealing
closing
sealing plate
magazine
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
EP00931111A
Other languages
German (de)
French (fr)
Other versions
EP1175343B1 (en
Inventor
Thomas Niehr
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.)
SIG Combibloc Services AG
KHS GmbH
GEA Abfuelltechnik GmbH
Original Assignee
GEA Finnah GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GEA Finnah GmbH filed Critical GEA Finnah GmbH
Publication of EP1175343A1 publication Critical patent/EP1175343A1/en
Application granted granted Critical
Publication of EP1175343B1 publication Critical patent/EP1175343B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2807—Feeding closures
    • 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
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2878—Securing closures on containers by heat-sealing

Definitions

  • the invention relates to a device for closing plastic bottles, in particular PET bottles, according to the preamble of claim 1.
  • Known devices for closing plastic bottles are integrated in respective conveyor sections, in which the plastic bottles pass through processing positions for filling and closing one after the other in a clocked sequence.
  • the filling with a liquid product takes place under aseptic conditions
  • the bottle above the product is gassed
  • a closure part is placed in the area of the filling opening and then the bottle is completely filled in a fourth cycle using a closing tool locked.
  • the closing part is fixed in place in the third cycle by, for example, spot welding, so that sufficient adhesion of the parts for the conveyance to the closing tool is achieved.
  • Such a closure device has a disadvantageously high number of individual cycles, particularly in the event of a malfunction in a filling system, since a large number of bottles which are still in the closure region of the conveying lines have to be disposed of from the devices after an accident-related machine stop.
  • the invention is concerned with the problem of creating a device for closing plastic bottles, in particular PET bottles, which can be used when increasing the rate
  • CONFIRMATION COPY Efficiency enables the filling process to be continued with little loss after an interruption of the work cycle.
  • the closure device according to the invention is designed as a compact structural unit which, with an advantageously short delivery distance arranged directly behind a filling station, enables the supply of a sealing plate and its complete sealing on the full opening of the bottle in only one working cycle.
  • a single faulty bottle which is filled but not yet closed, can be removed from the conveyor section as a committee, so that the lowest possible losses can be achieved with such closure devices, in particular if they are arranged in parallel in several conveyor sections are.
  • productivity is increased by shortening the cycle.
  • FIG. 1 is a side view of a conveyor section of a bottle filling machine for plastic bottles with several processing stations
  • Fig. 2 to Fig. 4 respective enlarged individual representations to illustrate different sealing phases in the sealing station
  • FIG. 5 shows a plan view of two parallel sealing stations along a line V-V in FIG. 1.
  • FIG. 1 shows a closure device, designated overall by 1, for plastic bottles 2 which are provided in particular as PET bottles and which are moved in a horizontally running conveying path F from a aseptic sterilization area B into the area of a filling area in a clocked sequence by means of transport (not shown). and gassing station 3, from which the respective plastic bottle 2 arrives in the processing position illustrated with 2 'for a closing process.
  • a transfer device 6 provided with a magazine 4 for closure parts 5, by means of which a closure part 5 is removed from the magazine 4 and after passing through a stabilization section formed in the largely closed interior 7 of the transfer device 6 to the full opening 8 of the bottle 2 'in preparation is placed.
  • the bottle 2 ' is then closed by means of a closing tool 9 (FIG. 2).
  • the transfer device 6 is designed such that the sealing platens 5 removed as closing parts from the magazine 4 by a rotary movement D m extend the area of the full opening 8 of the bottles 2 'provided in each case. be relocated. Within the dwell time of the ready bottle 2 'until the next work cycle, the sealing plate 5 is placed and sealed onto the edge area of the bottle 2' which remains in its preparation and surrounds the filling opening 8.
  • the transfer device 6 has a working plane A which is offset laterally to the vertical center plane M of the bottles 2, 2 'parallel to the bottle conveying direction (arrow F') (distance C, FIG. 3 ), along which the bottles 2, 2 'are moved clocked (distance T, Fig. 1).
  • the transfer device 6 is provided with circuit board carriers 11 which can be temporarily moved from the working plane A to the bottle 2 'provided in the plane M on the filling path F for the placement of the sealing circuit board 5 (FIG. 1).
  • the front view according to FIG. 1 illustrates that the transfer device 6 comprises a star wheel 12 with printed circuit board supports 11 distributed over the circumference, which are each designed as angled suction tubes 13 (FIG. 2). With their end carrying the sealing plate 5, these can be displaced from the circular path (rotation D) forming the working plane A of the star wheel 12 by a horizontal pivoting movement (arrow S, FIG. 5) into the central plane M of the bottle 2 'provided.
  • a single swivel drive e.g. B. magnetic drive (not shown) or a common drive means, for. B. a curve control (not shown) may be provided.
  • the different movement phases of the suction pipe 13 according to FIGS. 2 to 4 illustrate in conjunction with FIG. 5 that the board carrier 11 is pivotally supported on the star wheel 12.
  • the side view according to FIG. 2 shows the sealing tool 9 which is in the position above the filling opening 8 and which has a sealing head 14 which can be moved vertically into and out of sealing engagement (arrow G).
  • a guide ring 15 which projects above it and engages with the area of the filling opening 8 by a vertical movement (arrow G ') which is independent of the sealing head 14 (FIG. 3).
  • the sealing plate 5 is moved towards the bottle 2 'by the downward movement (arrow G 1 ).
  • the sealing plate 5 is fixed during the sealing process (FIG. 3) and the ring width (opening diameter) of the guide ring 15 is dimensioned such that there is free passage for the sealing head 14.
  • the guide ring 15 is provided with a lateral recess (not shown) which forms one in the area of the ring wall 16 for the circuit board support 11 when it moves into the circuit board delivery position (FIG. 2) if the circuit board support 11 is above the filling opening 8 of the one provided Bottle 2 'is pivoted into the position shown.
  • the movement phases according to FIGS. 2 to 4 clarify that the sealing head 14 of the closing device 1 assumes an initial position above the guide ring 15 in its initial position (FIG. 2).
  • the sealing head 14 also remains in the first closing phase (FIG. 3) above the range of motion of the circuit board carrier 11 until it is displaced via the filling opening 8 of the bottle 2 'and the guide ring 15 by means of its carrier 15 'to the bottle
  • the sealing plate 5 is held by the suction tube 13 and is gripped by the guide ring 15 on the edge side in such a way that the full opening 8 is covered in an accurate position.
  • the diameter R of the sealing plate 5 is selected so that the full opening 8 and an overlapping portion of the sealing plate 5 overlaps an edge area of the bottle neck 17.
  • the circuit board holder 11 is moved back into its starting position (FIG. 1) and the sealing head 14, which is designed as a heating plate or the like, is lowered onto the sealing plate 5, so that the sealing takes place in the edge region of the full opening 8 .
  • the guide ring 15 and sealing head 14 are then moved back together into their starting position.
  • the sealing plate 5 is applied and its gas-tight connection to the plastic bottle 2 in a single machine cycle.
  • the sealing plate 5 is removed from the magazine 4 in such a way that the side of the sealing plate 5 directed towards the bottle opening 8 is then completely sterilized and during this sterilization process there is no contact in the interior 7 of the transfer device 6 with any other contaminated surfaces of the full station.
  • H 2 0 2 aerosol is used in particular for sterilization.
  • the sterilization takes place in the area of the sealing plate which is not covered by the suction tube 13, the suction tube 13 engaging in particular in the center of the sealing plate 5 and thus the sterilization is also ensured in the area of the sealing edge.
  • the touchdown gel board 5 (FIG. 4) on the filling opening 8
  • the product-facing side of the sealing board 5 remains unaffected, so that recontamination is impossible.
  • the closure device 1, with the transfer device 6 and the closing tool 9, has two assemblies that can be used independently of one another, the sealing head 14 (including a corresponding heating part) being spatially separated from the transfer device 6 provided with a sterilization device (not shown) in the region of the star wheel 12. These assemblies are required once for each conveyor track F (FIG. 5).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Closing Of Containers (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Sealing Of Jars (AREA)

Abstract

The device for sealing plastic bottles, especially PET bottles, after they are filled with a material under aseptic conditions, comprises a magazine for the seals, a delivery device for taking individual seals from the magazine and placing the seals on the filling opening of the bottles, which are fed to the treatment stations singly, consecutively and in a clocked sequence. The device further comprises a tool for carrying out the sealing operation. To this end, the delivery device takes sealing blanks, which are used as the seals, from the magazine and passes them on to the filling opening of the respectively prepared bottle, after which the sealing tool seals the sealing blank in the same working cycle onto the edge region surrounding the filling opening of the bottle, which remains in its position of readiness.

Description

Vorrichtung zum Verschließen von Kunststoffflaschen Device for closing plastic bottles
Die Erfindung betrifft eine Vorrichtung zum Verschließen von Kunststoffflaschen, insbesondere von PET-Flaschen, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a device for closing plastic bottles, in particular PET bottles, according to the preamble of claim 1.
Bekannte Vorrichtungen zum Verschließen von Kunststofffla- schen sind in jeweilige Föderstrecken integriert, in denen die Kunststoffflaschen in getakteter Reihenfolge einzeln nacheinander Bearbeitungsstellungen zum Füllen und Verschließen durchlaufen. In einem ersten Arbeitstakt erfolgt unter aseptischen Bedingungen die Befüllung mit einem flüssigen Füllgut, in einem zweiten Takt wird die Flasche oberhalb des Füllguts begast, in einem dritten Takt ein Verschlußteil im Bereich der Füllöffnung aufgelegt und danach die Flasche in einem vierten Arbeitstakt mittels eines Verschließwerkzeuges vollständig verschlossen. Das Verschlußteil wird beim Auflegen im dritten Takt über beispielsweise eine Punktschweißung so fixiert, daß eine für die Förderung zum Verschließwerkzeug hinreichende Haftung der Teile erreicht ist. Eine derartige Vorrichtung zum Verschließen weist eine insbesondere bei einem Störfall in einem Abfüllsystem nachteilig hohe Zahl von Einzeltakten auf, da nach einem havariebedingten Maschinenstopp eine Vielzahl von noch im Verschließbereich der Förderstrecken befindliche Flaschen aus den Vorrichtungen zu entsorgen ist.Known devices for closing plastic bottles are integrated in respective conveyor sections, in which the plastic bottles pass through processing positions for filling and closing one after the other in a clocked sequence. In a first cycle, the filling with a liquid product takes place under aseptic conditions, in a second cycle the bottle above the product is gassed, in a third cycle a closure part is placed in the area of the filling opening and then the bottle is completely filled in a fourth cycle using a closing tool locked. The closing part is fixed in place in the third cycle by, for example, spot welding, so that sufficient adhesion of the parts for the conveyance to the closing tool is achieved. Such a closure device has a disadvantageously high number of individual cycles, particularly in the event of a malfunction in a filling system, since a large number of bottles which are still in the closure region of the conveying lines have to be disposed of from the devices after an accident-related machine stop.
Die Erfindung befaßt sich mit dem Problem, eine Vorrichtung zum Verschließen von Kunststoffflaschen, insbesondere von PET-Flaschen, zu schaffen, die es bei Erhöhung derThe invention is concerned with the problem of creating a device for closing plastic bottles, in particular PET bottles, which can be used when increasing the
BESTΛ TIGUNGSKOPIE Leistungsfahigkeit ermöglicht, den Befüllvorgang nach einer Unterbrechung des Arbeitstaktes mit geringen Verlusten fortzusetzen.CONFIRMATION COPY Efficiency enables the filling process to be continued with little loss after an interruption of the work cycle.
Die Erfindung lost dieses Problem mit einer Vorrichtung mit den Merkmalen des Anspruchs 1. Hinsichtlich wesentlicher weiterer Ausgestaltungen wird auf die Ansprüche 2 bis 8 verwiesen.The invention solves this problem with a device having the features of claim 1. With regard to further essential configurations, reference is made to claims 2 to 8.
Die erfindungsgemäße Verschluß-Vorrichtung ist als eine kompakte Baueinheit ausgebildet, die mit einem vorteilhaft kurzen Forderabstand unmittelbar hinter einer Befullstati- on angeordnet in nur einem Arbeitstakt die Zufuhrung einer Siegelplatine und deren vollständige Versiegelung auf der Fulloffnung der Flasche ermöglicht. Im Falle einer Unterbrechung des Forder-und/oder Fullvorganges ist lediglich eine einzelne fehlerhafte, weil befüllte aber noch nicht verschlossene Flasche aus der Forderstrecke als Ausschuß zu entnehmen, so daß mit derartigen Verschließvorrichtungen, insbesondere bei deren paralleler Anordnung in mehreren Forderstrecken, geringstmogliche Verluste erreichbar sind. Zugleich wird die Produktivität durch eine Taktver- kurzung erhöht.The closure device according to the invention is designed as a compact structural unit which, with an advantageously short delivery distance arranged directly behind a filling station, enables the supply of a sealing plate and its complete sealing on the full opening of the bottle in only one working cycle. In the event of an interruption of the loading and / or filling process, only a single faulty bottle, which is filled but not yet closed, can be removed from the conveyor section as a committee, so that the lowest possible losses can be achieved with such closure devices, in particular if they are arranged in parallel in several conveyor sections are. At the same time, productivity is increased by shortening the cycle.
Weitere Einzelheiten und vorteilhafte Ausgestaltungen ergeben sich aus der nachfolgenden Beschreibung und der Zeichnung, in der ein Ausfuhrungsbeispiel des Gegenstands der Erfindung schematisch naher veranschaulicht ist. In der Zeichnung zeigen:Further details and advantageous configurations result from the following description and the drawing, in which an exemplary embodiment of the object of the invention is schematically illustrated in more detail. The drawing shows:
Fig. 1 eine Seitenansicht einer Forderstrecke einer Flaschenfullmaschine für Kunststoffflaschen mit mehreren Bearbeitungsstationen, Fig. 2 bis Fig. 4 jeweilige vergrößerte Einzeldarstellungen zur Veranschaulichung unterschiedlicher Siegelphasen in der Siegelstation, und1 is a side view of a conveyor section of a bottle filling machine for plastic bottles with several processing stations, Fig. 2 to Fig. 4 respective enlarged individual representations to illustrate different sealing phases in the sealing station, and
Fig. 5 eine Draufsicht auf zwei parallele Siegelsta- tionen gemäß einer Linie V-V in Fig. 1.5 shows a plan view of two parallel sealing stations along a line V-V in FIG. 1.
In Fig. 1 ist eine insgesamt mit 1 bezeichnete Verschließvorrichtung für insbesondere als PET-Flaschen vorgesehene Kunststoffflaschen 2 dargestellt, die in einer horizontal verlaufenden Forderbahn F durch nicht naher dargestellte Transportmittel in getakteter Reihenfolge aus einem aseptischen Sterilisationsbereich B in den Bereich einer Be- full- und Begasungsstation 3 gelangen, aus der die jeweilige Kunststoffflasche 2 in die mit 2 ' veranschaulichte Bearbeitungsstellung für einen Verschließvorgang gelangt. In diesem Bereich der Forderbahn F ist eine mit einem Magazin 4 für Verschlußteile 5 versehene Ubergabevorrichtung 6 angeordnet, mittels der jeweils ein Verschlußteil 5 aus dem Magazin 4 entnommen und nach Durchlaufen einer im weitgehend geschlossenen Innenraum 7 der Ubergabevorrichtung 6 gebildeten Steπlisationsstrecke auf die Fulloff- nung 8 der in Bereitstellung befindlichen Flasche 2 ' aufgelegt wird. Danach wird die Flasche 2' mittels eines Verschließwerkzeuges 9 (Fig. 2) verschlossen.1 shows a closure device, designated overall by 1, for plastic bottles 2 which are provided in particular as PET bottles and which are moved in a horizontally running conveying path F from a aseptic sterilization area B into the area of a filling area in a clocked sequence by means of transport (not shown). and gassing station 3, from which the respective plastic bottle 2 arrives in the processing position illustrated with 2 'for a closing process. In this area of the conveying path F there is arranged a transfer device 6 provided with a magazine 4 for closure parts 5, by means of which a closure part 5 is removed from the magazine 4 and after passing through a stabilization section formed in the largely closed interior 7 of the transfer device 6 to the full opening 8 of the bottle 2 'in preparation is placed. The bottle 2 'is then closed by means of a closing tool 9 (FIG. 2).
Bei der erfmdungsgemaß ausgebildeten Verschließvorrichtung 1 ist die Ubergabevorrichtung 6 so ausgebildet, daß die als Verschlußteile dem Magazin 4 entnommenen Siegel- platmen 5 durch eine Drehbwegung D m den Bereich der Fulloffnung 8 der jeweils bereitgestellten Flaschen 2' verlagert werden. Innerhalb der Verweildauer der bereitstehenden Flasche 2' bis zum nächsten Arbeitstakt wird die Siegelplatine 5 auf den die Füllöffnung 8 umgebenden Randbereich der in ihrer Bereitstellung verbleibenden Flasche 2' aufgelegt und aufgesiegelt .In the closing device 1 designed according to the invention, the transfer device 6 is designed such that the sealing platens 5 removed as closing parts from the magazine 4 by a rotary movement D m extend the area of the full opening 8 of the bottles 2 'provided in each case. be relocated. Within the dwell time of the ready bottle 2 'until the next work cycle, the sealing plate 5 is placed and sealed onto the edge area of the bottle 2' which remains in its preparation and surrounds the filling opening 8.
Die vergrößerten Ausschnittsdarstellungen gemäß Fig. 2 bis 5 verdeutlichen, daß die Übergabevorrichtung 6 eine Arbeitsebene A aufweist, die seitlich zur vertikalen, zur Flaschenförderrichtung (Pfeil F') parallelen Mittelebene M der Flaschen 2, 2' versetzt ist (Abstand C, Fig. 3), entlang der die Flaschen 2, 2' getaktet bewegt (Abstand T, Fig. 1) werden. Die Übergabevorrichtung 6 ist dabei mit Platinenträgern 11 versehen, die für das Auflegen der Siegelplatine 5 jeweils vorrübergehend aus der Arbeitsebene A zu der in der Ebene M auf der Füllbahn F bereitgestellten Flasche 2' hin bewegbar sind (Fig. 1).2 to 5 illustrate that the transfer device 6 has a working plane A which is offset laterally to the vertical center plane M of the bottles 2, 2 'parallel to the bottle conveying direction (arrow F') (distance C, FIG. 3 ), along which the bottles 2, 2 'are moved clocked (distance T, Fig. 1). The transfer device 6 is provided with circuit board carriers 11 which can be temporarily moved from the working plane A to the bottle 2 'provided in the plane M on the filling path F for the placement of the sealing circuit board 5 (FIG. 1).
Die Vorderansicht gemäß Fig. 1 verdeutlicht, daß die Übergabevorrichtung 6 ein Sternrad 12 mit über den Umfang verteilt angeordneten Platinenträgern 11 umfaßt, die jeweils als abgewinkelte Saugrohre 13 (Fig. 2) ausgebildet sind. Diese können mit ihrem die Siegelplatine 5 tragenden Ende aus der die Arbeitsebene A des Sternrades 12 bildenden Kreisbahn (Drehung D) durch eine horizontale Schwenkbewegung (Pfeil S, Fig. 5) in die Mittelebene M der bereitgestellten Flasche 2' verlagert werden. Hierzu kann jeweils ein einzelner Schwenkantrieb, z. B. Magnetantrieb (nicht dargestellt) oder ein gemeinsamers Antriebsmittel, z. B. eine Kurvensteuerung (nicht dargestellt) vorgesehen sein. Die unterschiedlichen Bewegungsphasen des Saugrohres 13 gemäß Fig. 2 bis 4 verdeutlichen in Zusammenschau mit Fig. 5, daß der Platinenträger 11 schwenkbar am Sternrad 12 abgestützt ist.The front view according to FIG. 1 illustrates that the transfer device 6 comprises a star wheel 12 with printed circuit board supports 11 distributed over the circumference, which are each designed as angled suction tubes 13 (FIG. 2). With their end carrying the sealing plate 5, these can be displaced from the circular path (rotation D) forming the working plane A of the star wheel 12 by a horizontal pivoting movement (arrow S, FIG. 5) into the central plane M of the bottle 2 'provided. For this purpose, a single swivel drive, e.g. B. magnetic drive (not shown) or a common drive means, for. B. a curve control (not shown) may be provided. The different movement phases of the suction pipe 13 according to FIGS. 2 to 4 illustrate in conjunction with FIG. 5 that the board carrier 11 is pivotally supported on the star wheel 12.
Die Seitenansicht gemäß Fig. 2 zeigt das oberhalb der Füllöffnung 8 in Bereitstellung befindliche Verschließwerkzeug 9, das einen vertikal in und außer Siegeleingriff (Pfeil G) bewegbaren Siegelkopf 14 aufweist. Am unteren Ende des Siegelkopfes 14 ist ein diesen überragender Führungsring 15 vorgesehen, der durch eine vom Siegelkopf 14 unabhängige vertikale Bewegung (Pfeil G') in Eingriff mit dem Bereich der Füllöffnung 8 gelangt (Fig. 3). Dabei wird die Siegelplatine 5 durch die Abwärtsbewegung (Pfeil G1) zur Flasche 2' hin bewegt. Mittels des Führungsringes 15 ist die Siegelplatine 5 während des Siegelvorganges (Fig. 3) fixiert und die Ringbreite (Öffnungsdurchmesser) des Führungsringes 15 ist derart bemessen, daß eine freier Durchlaß für den Siegelkopf 14 gegeben ist.The side view according to FIG. 2 shows the sealing tool 9 which is in the position above the filling opening 8 and which has a sealing head 14 which can be moved vertically into and out of sealing engagement (arrow G). At the lower end of the sealing head 14 there is provided a guide ring 15 which projects above it and engages with the area of the filling opening 8 by a vertical movement (arrow G ') which is independent of the sealing head 14 (FIG. 3). The sealing plate 5 is moved towards the bottle 2 'by the downward movement (arrow G 1 ). By means of the guide ring 15, the sealing plate 5 is fixed during the sealing process (FIG. 3) and the ring width (opening diameter) of the guide ring 15 is dimensioned such that there is free passage for the sealing head 14.
Der Führungsring 15 ist mit einer seitlichen Ausnehmung (nicht dargestellt) versehen, die im Bereich der Ringwandung 16 für den Platinenträger 11 bei dessen Bewegung in die Platinenabgabestellung (Fig. 2) einen bildet, wenn die Platinenträger 11 oberhalb der Füll-öffnung 8 der bereitgestellten Flasche 2' in die dargestellte Position eingeschwenkt wird.The guide ring 15 is provided with a lateral recess (not shown) which forms one in the area of the ring wall 16 for the circuit board support 11 when it moves into the circuit board delivery position (FIG. 2) if the circuit board support 11 is above the filling opening 8 of the one provided Bottle 2 'is pivoted into the position shown.
Die Bewegungsphasen gemäß Fig. 2 bis 4 verdeutlichen, daß der Siegelkopf 14 der Verschließvorrichtung 1 eine Ausgangsstellung oberhalb des Führungsringes 15 in dessen Ausgangsstellung einnimmt (Fig. 2). Der Siegelkopf 14 verbleibt auch in der ersten Schließphase (Fig. 3) oberhalb des Bewegungsbereiches des Platinenträgers 11 bis dieser über die Füllöffnung 8 der Flasche 2' verlagert ist und der Fuhrungsring 15 mittels seines Tragers 15' zur FlascheThe movement phases according to FIGS. 2 to 4 clarify that the sealing head 14 of the closing device 1 assumes an initial position above the guide ring 15 in its initial position (FIG. 2). The sealing head 14 also remains in the first closing phase (FIG. 3) above the range of motion of the circuit board carrier 11 until it is displaced via the filling opening 8 of the bottle 2 'and the guide ring 15 by means of its carrier 15 'to the bottle
2' hin verlagert wird (Hubweg H) . Dabei wird die Siegel- platme 5 durch das Saugrohr 13 gehalten und randseitig vom Fuhrungsring 15 so erfaßt, daß eine lagegenaue Abdeckung der Fulloffnung 8 erfolgt. Der Durchmesser R der Siegelplatine 5 ist so gewählt, daß die Fulloffnung 8 und mit einem übergreifenden Teilbereich der Siegelplatine 5 ein randseitiger Bereich des Flaschenhalses 17 übergriffen wird.2 'is shifted towards (stroke H). The sealing plate 5 is held by the suction tube 13 and is gripped by the guide ring 15 on the edge side in such a way that the full opening 8 is covered in an accurate position. The diameter R of the sealing plate 5 is selected so that the full opening 8 and an overlapping portion of the sealing plate 5 overlaps an edge area of the bottle neck 17.
Nach diesem Auflegen der Siegelplatine 5 wird der Plati- nentrager 11 in seine Ausgangsstellung (Fig. 1) zuruckbe- wegt und der als Heizplatte o. dgl. ausgebildete Siegelkopf 14 auf die Siegelplatine 5 abgesenkt, so daß im Randbereich der Fulloffnung 8 die Versiegelung erfolgt. Danach werden Fuhrungsring 15 und Siegelkopf 14 gemeinsam in Ihre Ausgangsstellung zuruckbewegt .After this placement of the sealing plate 5, the circuit board holder 11 is moved back into its starting position (FIG. 1) and the sealing head 14, which is designed as a heating plate or the like, is lowered onto the sealing plate 5, so that the sealing takes place in the edge region of the full opening 8 . The guide ring 15 and sealing head 14 are then moved back together into their starting position.
Mit der vorbeschriebenen Verschlußvorrichtung 1 erfolgt das Aufbringen der Siegelplatine 5 und deren gasdichte Verbindung mit der Kunststoffflasche 2 in einem einzigen Maschinentakt. Die Abnahme der Siegelplatine 5 erfolgt aus dem Magazin 4 derart, daß danach die zur Flaschenoffnung 8 gerichtete Seite der Siegelplatine 5 vollständig sterilisiert wird und wahrend dieses Sterilisationsprozesses im Innenraum 7 der Ubergabevorrichtung 6 keinerlei Kontakt zu anderen, kontaminierten Oberflachen der Fullstation besteht. Zur Sterilisation wird insbesondere H202-Aerosol eingesetzt. Die Sterilisation erfolgt im jeweils vom Saugrohr 13 nicht erfaßten Bereich der Siegelplatine, wobei das Saugrohr 13 insbesondere mittig an der Siegelplatine 5 angreift und damit die Sterilisation auch im Bereich der Siegelkante sichergestellt ist. Bis zum Aufsetzen der Sie- gelplatine 5 (Fig. 4) auf die Füllöffnung 8 bleibt die produktzugewandte Seite der Siegelplatine 5 unberührt, so daß eine Rekontamination ausgeschlossen ist.With the above-described closure device 1, the sealing plate 5 is applied and its gas-tight connection to the plastic bottle 2 in a single machine cycle. The sealing plate 5 is removed from the magazine 4 in such a way that the side of the sealing plate 5 directed towards the bottle opening 8 is then completely sterilized and during this sterilization process there is no contact in the interior 7 of the transfer device 6 with any other contaminated surfaces of the full station. H 2 0 2 aerosol is used in particular for sterilization. The sterilization takes place in the area of the sealing plate which is not covered by the suction tube 13, the suction tube 13 engaging in particular in the center of the sealing plate 5 and thus the sterilization is also ensured in the area of the sealing edge. Until the touchdown gel board 5 (FIG. 4) on the filling opening 8, the product-facing side of the sealing board 5 remains unaffected, so that recontamination is impossible.
Die Verschlußvorrichtung 1 weist mit der Übergabevorrichtung 6 und dem Verschließwerkzeug 9 zwei unabhängig voneinander einsetzbare Baugruppen auf, wobei der Siegelkopf 14 (einschließlich eines entsprechenden Heizungsteils) von der mit einer Sterilisationsvorrichttung (nicht dargestellt) im Bereich des Sternrades 12 versehenen Übergabevorrichtung 6 räumlich getrennt ist. Diese Baugruppen werden je Förderbahnen F (Fig. 5) jeweils einmal benötigt. The closure device 1, with the transfer device 6 and the closing tool 9, has two assemblies that can be used independently of one another, the sealing head 14 (including a corresponding heating part) being spatially separated from the transfer device 6 provided with a sterilization device (not shown) in the region of the star wheel 12. These assemblies are required once for each conveyor track F (FIG. 5).

Claims

Ansprüche Expectations
1. Vorrichtung zum Verschließen von Kunststoffflaschen, insbesondere von PET-Flaschen (2; 2'), nach deren Beful- lung mit einem Füllgut unter aseptischen Bedingungen, mit einem Magazin (4) für die Verschlußteile (5), einer Übergabevorrichtung (6) zur Entnahme von einzelnen Verschlußteilen (5) aus dem Magazin (4) und Auflegen der Verschlußteile (5) nach Durchlaufen einer Sterilisationsstrecke auf der Fulloffnung (8) der in getakteter Reihenfolge einzeln nacheinander in ihre Bearbeitungsstellungen geforderten Flaschen (2; 2' ) , und einem Werkzeug (9) zur Durchfuhrung des Verschließvorganges, dadurch gekennzeichnet, daß die Ubergabevorrichtung (6) Siegelplatinen (5) als Verschluß^ teile dem Magazin (4) entnimmt und der Fulloffnung (8) der jeweils bereitgestellten Flasche (21) zufuhrt, und das Verschließwerkzeug (9) innerhalb des gleichen Arbeitstaktes die Siegelplatine (5) auf den die Fulloffnung (8) umgebenden Randbereich der in ihrer Bereitstellung verbleibenden Flasche (2') aufsiegelt.1. Device for closing plastic bottles, in particular PET bottles (2; 2 '), after filling them with a filling material under aseptic conditions, with a magazine (4) for the closure parts (5), a transfer device (6) for removing individual closure parts (5) from the magazine (4) and placing the closure parts (5) after passing through a sterilization section on the full opening (8) of the bottles (2; 2 '), one after the other, in sequential order in their processing positions, and a tool (9) for carrying out the closing process, characterized in that the transfer device (6) removes sealing plates (5) as closure parts from the magazine (4) and feeds the full opening (8) to the bottle (2 1 ) provided, and the closing tool (9) within the same working cycle the sealing plate (5) on the edge area surrounding the full opening (8) of the bottle (2 ') seals.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Ubergabevorrichtung (6) eine Arbeitsebene (A) , die seitlich zur vertikalen, zur Flaschenförderrichtung (F) parallelen Mittelebene (M) der in Bereitstellung für die Aufnahme der Siegelplatine (5) befindlichen Flasche (2') versetzt ist, aufweist und Platinentrager (11) umfaßt, die für das Auflegen der Siegelplatine (5) jeweils vorübergehend aus der Arbeitsebene (A) zur bereitgestellten Flasche2. Device according to claim 1, characterized in that the transfer device (6) has a working plane (A) which is laterally parallel to the vertical, parallel to the bottle conveying direction (F) central plane (M) of the bottle in preparation for receiving the sealing plate (5) (2 ') is offset, and has circuit board supports (11) which, for the placement of the sealing circuit board (5), each temporarily from the working level (A) to the bottle provided
(2') hin bewegbar sind.(2 ') are movable.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Ubergabevorrichtung (6) ein Sternrad (12) mit über den Umfang verteilt angeordneten Platinentragern (11) umfaßt, die als Saugtrager (13) ausgebildet und mit ihrem die Siegelplatine (5) tragenden Ende aus der Umlaufebene des Sternrades (12) in die Mittelebene (M) der bereitgestellten Flasche (21) verlagerbar ist.3. Apparatus according to claim 2, characterized in that the transfer device (6) comprises a star wheel (12) with distributed around the circumference arranged plate carriers (11) which are designed as suction carriers (13) and with their the sealing plate (5) carrying end can be moved from the revolving plane of the star wheel (12) into the central plane (M) of the bottle (2 1 ) provided.
4. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Platinenträger (11) schwenkbar am Sternrad (12) abgestützt sind.4. Apparatus according to claim 2 or 3, characterized in that the board carrier (11) is pivotally supported on the star wheel (12).
5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Verschließwerkzeug (9) oberhalb der Füllöffnung (8) der in Bereitstellung befindlichen Flasche (2') angeordnet ist und einen vertikal in und außer Siegeleingriff mit einer auf der Füllöffnung (8) der Flasche (2') aufliegenden Siegelplatine (5) bewegbaren Siegelkopf (14) aufweist.5. Device according to one of claims 1 to 4, characterized in that the closing tool (9) above the filling opening (8) of the bottle in preparation (2 ') is arranged and a vertical in and out of sealing engagement with one on the filling opening ( 8) of the bottle (2 ') on the sealing plate (5) which has a movable sealing head (14).
6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Verschließwerkzeug (9) einen Führungsring (15) umfaßt, der in einer vertikalen Bewegung (G) in und außer Eingriff mit der auf der Füllöffnung (8) der bereitgestellten Flasche (2') abgelegten Siegelplatine (5) bewegbar ist, die Siegelplatine (5) während des Siegelvorganges fixiert und eine Ringbreite aufweist, die einen freien Durchlaß für den Siegelkopf (14) beläßt.6. Device according to one of claims 1 to 5, characterized in that the closing tool (9) comprises a guide ring (15) which in a vertical movement (G) in and out of engagement with the on the filling opening (8) of the bottle provided (2 ') deposited sealing plate (5) is movable, the sealing plate (5) fixed during the sealing process and has a ring width that leaves a free passage for the sealing head (14).
7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Führungsring (15) eine seitliche Ausnehmung für den Durchlaß des Platinenträgers (11) bei dessen Bewegung in eine Platinenabgabestellung oberhalb der Füllöffnung (8) der bereitgestellten Flasche (2*) aufweist . 7. Device according to one of claims 1 to 6, characterized in that the guide ring (15) has a lateral recess for the passage of the circuit board carrier (11) when it moves into a circuit board delivery position above the filling opening (8) of the bottle (2 *) provided having .
8. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Siegelkopf (14) der Verschließvorrichtung (9) eine Ausgangsstellung oberhalb des Führungsringes (15) in dessen Ausgangsstellung und oberhalb des Bewegungsbereiches eines Platinenträgers (11) bei dessen Verlagerung über die Füllöffnung (8) der Flasche (2 ' ) einnimmt . 8. Device according to one of claims 1 to 7, characterized in that the sealing head (14) of the closing device (9) an initial position above the guide ring (15) in its initial position and above the range of motion of a blank carrier (11) when it is displaced via the Fills opening (8) of the bottle (2 ').
EP00931111A 1999-05-06 2000-05-04 Device for closing plastic bottles Expired - Lifetime EP1175343B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29908075U DE29908075U1 (en) 1999-05-06 1999-05-06 Device for closing plastic bottles
DE29908075U 1999-05-06
PCT/EP2000/003996 WO2000068079A1 (en) 1999-05-06 2000-05-04 Device for closing plastic bottles

Publications (2)

Publication Number Publication Date
EP1175343A1 true EP1175343A1 (en) 2002-01-30
EP1175343B1 EP1175343B1 (en) 2002-12-11

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ID=8073220

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EP00931111A Expired - Lifetime EP1175343B1 (en) 1999-05-06 2000-05-04 Device for closing plastic bottles

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US (1) US6701692B1 (en)
EP (1) EP1175343B1 (en)
JP (1) JP2002544069A (en)
AT (1) ATE229450T1 (en)
BR (1) BR0010336A (en)
DE (2) DE29908075U1 (en)
DK (1) DK1175343T3 (en)
ES (1) ES2187474T3 (en)
WO (1) WO2000068079A1 (en)

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Also Published As

Publication number Publication date
DE50000929D1 (en) 2003-01-23
WO2000068079A1 (en) 2000-11-16
US6701692B1 (en) 2004-03-09
DK1175343T3 (en) 2003-04-07
BR0010336A (en) 2002-02-13
ATE229450T1 (en) 2002-12-15
JP2002544069A (en) 2002-12-24
EP1175343B1 (en) 2002-12-11
ES2187474T3 (en) 2003-06-16
DE29908075U1 (en) 2000-09-14

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