EP1403187A1 - Packaging machine with a cleaning device - Google Patents

Packaging machine with a cleaning device Download PDF

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Publication number
EP1403187A1
EP1403187A1 EP03012748A EP03012748A EP1403187A1 EP 1403187 A1 EP1403187 A1 EP 1403187A1 EP 03012748 A EP03012748 A EP 03012748A EP 03012748 A EP03012748 A EP 03012748A EP 1403187 A1 EP1403187 A1 EP 1403187A1
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EP
European Patent Office
Prior art keywords
cleaning
lance
packaging machine
packaging
cleaning device
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
EP03012748A
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German (de)
French (fr)
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EP1403187B1 (en
Inventor
Peter Dipl.-Ing. Walter
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Hassia Verpackungsmaschinen GmbH
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Hassia Verpackungsmaschinen GmbH
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Publication of EP1403187A1 publication Critical patent/EP1403187A1/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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/025—Packaging in aseptic tunnels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • 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
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • 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
    • B65B2210/00—Specific aspects of the packaging machine
    • B65B2210/06—Sterilising or cleaning machinery or conduits

Definitions

  • the invention relates to packaging machines for producing, filling and separating packaging from at least one continuously fed packaging material web that is fed through processing stations of the machine, the packaging machine being assigned at least one cleaning device on the side.
  • Packaging machines of this generally defined type are well known and in use and thus relate, for example, to so-called thermoforming machines as well as to machines for the production of packaging bags and, in this respect, to machines that are operated under normal conditions and under sterile conditions.
  • packaging machines are also to be included, to which finished packaging containers that are still open for filling and that have to be closed after filling, for example in cup form, are continuously fed as packaging material. If the filling material is in particular liquid to pasty, such machines must be cleaned thoroughly and if necessary after the end of an operating phase, usually also after an interruption in operation and in particular also when changing products.
  • the filling material dispensers of modern machines per se being designed in such a way that they can be automatically rinsed, which requires the placement of a suitably designed washing-up liquid collecting tray in this processing station.
  • the separating or punching stations at the end of deep-drawing machines, which also represent finishing stations, are particularly critical, in which, for example, filled and covered individual cups or groups of cups are punched out, which as a rule is associated with waste to be removed, i.e., so-called waste stars, which occasionally occur in stow the appropriately trained stamping dies.
  • ambience also means, for example, the inner walls of a sterile tunnel if the packaging machine is to be operated under sterile conditions.
  • the punching die of the punching station must also be cleaned by hand.
  • the thoroughness of manual cleaning depends, of course, on the care of the operator who is entrusted with it, ie it is inevitable that areas of the ambience are overlooked or treated unevenly, not to mention that thorough manual cleaning , as mentioned, is associated with a considerable and in this respect also costly expenditure of time.
  • the cleaning device consists of a slide that is horizontally displaceable in the machine cover housing and equipped with several freely adjustable nozzles and is particularly intended for washing and cleaning prefabricated, tubular packaging containers, but also for washing machine parts that can be detected and the inside of the cover housing.
  • Such a cleaning device replaces a time-consuming, manual cleaning, but due to the special design of the nozzle-equipped carriage, it is taken into account from the outset that only a more or less large part of the existing machine elements and spaces can be detected. For this reason, it is therefore considered to provide additional stationary flushing nozzles in areas that cannot be detected.
  • the nozzles on the slide are freely adjustable, once set, but to a certain extent it remains a more or less untargeted, all-round shower process with a correspondingly high consumption of detergent.
  • the invention is therefore based on the object to improve packaging machines of the type mentioned, that is to say those which are equipped with an automatic cleaning device, as explained above, to the effect that the automatic cleaning process is more targeted, therefore more thorough, efficient and without additional arrangement stationary nozzles can be carried out in certain areas.
  • the cleaning device is formed from a cleaning lance mounted on a carrier and controlled in several degrees of freedom, at the free end of which a cleaning lance such as air, steam, water is provided through the lance , Sterilizing agent, cleaning head can be loaded under pressure.
  • “Laterally assigned” is to be understood in the broadest sense that, depending on the type of machine, the assignment on one side or the other, if necessary. but can also be provided above the processing station in question or wherever appropriate. Furthermore, “several degrees of freedom of movement” is to be understood to mean that the lance and thus its cleaning head can be adjusted and adjusted to the areas to be cleaned by rotation, displacement and raising and lowering. can be moved during spraying over a certain area, that these areas can be brushed by the detergent sprayed under pressure, and finally "at least one cleaning device” means that such a cleaning device can be assigned to each processing station in need of cleaning.
  • Such a cleaning device which can be assigned to a packaging machine and can be moved in a controlled manner in several degrees of freedom, fulfills the demands made, ie the entire cleaning process is automated independently of the person, and is therefore more uniform and, in this respect, more thorough and thus ultimately also less time and less costly.
  • the cleaning head mentioned is equipped with at least one replaceable nozzle, so that a cleaning agent-specific nozzle can be used.
  • the cleaning head can advantageously also be equipped with a plurality of nozzles, each of which can be fed separately with different cleaning agents, the supply of the other nozzles being switched off depending on the cleaning agent to be sprayed.
  • a cleaning device can also be assigned to each processing station of the machine requiring cleaning, but on the other hand this permits an even more specific adaptation of the cleaning device to the structural and functional conditions of the respective processing station.
  • the lance carrier is mounted on a guide rail arranged along the machine extension and can be moved from one processing station to the other in need of cleaning.
  • the packaging machine is a sterile machine
  • its so-called sterile tunnel is provided with a closable lance opening in the area of each processing station that needs cleaning, whereby it can advantageously be considered to include the actuation of the opening closure in the automatic control system of the whole.
  • FIG. 1 shows a side view of a packaging machine in, for example, an embodiment of a deep-drawing machine with its various processing stations BA and a cleaning device 1, which is illustrated solely in side view and schematically in FIG.
  • the following processing stations BA are arranged downstream of the supply roll R of a packaging material web PB which is continuously clocked through the machine, following a film preheating station I:
  • a deep-drawing station II two filling stations III arranged one behind the other, a closing station IV and a punching station V for separating individual packs or pack groups, which are not specifically shown here.
  • stations II, IV and V are shown with the same symbols, which also applies to FIGS. 3 to 6 to be explained.
  • the cleaning device 1 (see FIG. 2) is formed from a cleaning lance 3 mounted on a carrier 2 and controlled in several degrees of freedom, at the free end 3 'of which through the lance 3 with cleaning agents such as air, steam, water, sterilizing agent, cleaning head 4 which can be loaded under pressure. Except for the freedom roughly indicated by arrows P in Fig. 2 The actual lance carrier 2 'can also be rotated with respect to the carrier lower part 2 "and, if necessary, also adjustable in inclination, which ultimately depends on the structural conditions of the respective packaging machine equipped with such a cleaning device 1.
  • a storage container 20 for example, a pump 21 and a corresponding supply line 22, for example insofar as compressed air, steam and. water from correspondingly available supply networks can also be supplied directly and under pressure to the lance 3 via the feed line 22.
  • the cleaning head 4 is equipped with an exchangeable nozzle 5, but can also be loaded with several cleaning agents that can be fed separately
  • Nozzles 5 can be fitted, to which a plurality of separate lines 22 then lead to and through the lance 3, which is not particularly shown, since it is readily conceivable. For the same reason, the required and controllable valves are not particularly shown.
  • a cleaning device 1 can be assigned to each of the above-mentioned processing stations BA, i.e. the stations II to V that require cleaning, but this is associated with considerable expenditure on equipment. This possibility is also not particularly shown, or results indirectly from FIGS. 3 to 6, although the cleaning devices 1 shown there are always the same.
  • the carrier 2 of the lance 3 is mounted on a guide rail 6 arranged along the machine extension and can be moved on this from one processing station BA in need of cleaning to another by suitable drive means.
  • the processing line BS (FIG. 1) is covered with a sterile tunnel 7 (see the highly schematic FIG. 7), then this sterile tunnel 7 is in the area of each processing station BA that requires cleaning a closable lance engagement opening 8.
  • the device Starting from the cleaning device 1 in the neutral position, for example next to the preheating station I (see FIG. 3), which as a rule does not require any cleaning, the device runs the entire machine in accordance with the cleaning program and cleans its processing stations BA precisely and repeatedly.
  • the cleaning device 1 or the cleaning robot is familiarized or programmed once with the geometry of the machine to be cleaned in order to avoid collisions between the robot or lance and the machine.
  • Appropriate sensors or the transfer of virtual machine geometry from a 3D CAD system would also be conceivable.
  • the cleaning program also includes, of course, all parameters relevant to the processing stations for their cleaning, i.e., for example, taking into account structural-geometric conditions for the movements of the cleaning head 4 into and within the processing station, selection and approval of the cleaning agent to be used for the processing station, dwell times of the cleaning head , 4 for certain areas etc.
  • FIGS. 4 to 6 for example in the punching station V according to FIG. 4 a slightly different grid is to be moved from the nozzle 5 operated with compressed air than in the area of the filling station III according to FIG. 6 or any other also parts of the machine itself to be cleaned, such as guide rails FS according to Fig. 5.

Abstract

The containers for the packaging are made by a deep drawing process. Packaging material is drawn from a roll (R) and the web or foil (PB) passes through a heating station (I) followed by a deep drawing station (II). This is followed by a filling station (III), a closure station (IV) and a singling station (V). The cleaner (1) is mounted on a carriage (2) moving along the production line on a longitudinal rail (6). It carries a cleaning lance (3) with a spray head (4).

Description

Die Erfindung betrifft Verpackungsmaschinen zur Herstellung, Befüllung und Vereinzelung von Verpackungen aus mindestens einer kontinuierlich zugeförderten und durch Bearbeitungsstationen der Maschine geführten Packstoffbahn, wobei der Verpackungsmaschine seitlich mindestens eine Reinigungsvorrichtung zugeordnet ist.The invention relates to packaging machines for producing, filling and separating packaging from at least one continuously fed packaging material web that is fed through processing stations of the machine, the packaging machine being assigned at least one cleaning device on the side.

Verpackungsmaschinen dieser allgemein definierten Art sind hinlänglich bekannt und in Benutzung und beziehen sich damit bspw. sowohl auf sogenannte Tiefziehmaschinen als auch auf Maschinen zur Herstellung von Verpackungsbeuteln und insoweit auch auf Maschinen, die unter Normalbedingungen als auch unter Sterilbedingungen betrieben werden. Einzubeziehen sind insoweit auch Verpackungsmaschinen, denen fertige, aber zur Befüllung noch offene und nach Befüllung zu verschließende Verpackungsbehältnisse bspw. in Becherform als Packstoffmittel kontiuierlich zugeführt werden.
Sofern es sich beim Füllgut insbesondere um flüssiges bis pastöses handelt, müssen derartige Maschinen nach Ende einer Betriebsphase, in der Regel auch nach einer Betriebsunterbrechung und insbesondere auch bei Produktwechsel einer gründlichen und auch zeitaufwendigen Reinigung und gegf. auch einer Sterilisation unterzogen werden, wobei die Füllgutdoseure moderner Maschinen per se so ausgestaltet sind, daß sie automatisch spülbar sind, was bei dieser Bearbeitungsstation der Unterstellung einer geeignet ausgebildeten Spülmittelauffangwanne bedarf. Besonders kritisch sind auch die ebenfalls Endbearbeitungsstationen darstellenden Vereinzelungs- bzw. Stanzstationen am Ende von Tiefziehmaschinen, in denen bspw. gefüllte und abgedeckelte Einzelbecher oder Bechergruppen ausgestanzt werden, was in der Regel mit abzuführenden Verschnittresten, d.h., sogenannten Abfallsternen verbunden ist, die sich gelegentlich in den entsprechend ausgebildeten Stanzmatrizen stauen.
Abgesehen von der selbsttätigen Reinigung bzw. Spülung der Dosierstationen bleibt es dabei unumgänglich, bedingt bspw. durch übergeschwapptes Füllgut, bei Entfernung der in der Regel unter Druck stehenden Auffangwannen, das ganze Ambiente der Bearbeitungsstrecke gründlich von Hand zu säubern, wobei unter Ambiente hierbei bspw. auch die Innenwandungen eines Steriltunnels zu verstehen sind, wenn die Verpackungsmaschine unter Sterilbedingungen zu betreiben ist. Einer Handreinigung ist dabei auch die Stanzmatrize der Stanzstation zu unterziehen. Die Gründlichkeit einer Reinigung von Hand hängt dabei natürlich von der Sorgfalt der Bedienungsperson ab, die damit betraut ist, d.h., dabei ist unvermeidbar, daß Bereiche des Ambientes bei der Reinigung übersehen oder ungleichmäßig behandelt werden, ganz abgesehen davon, daß eine gründliche Reinigung von Hand, wie vorerwähnt, mit einem beträchtlichen und insoweit auch kostenträchtigen Zeitaufwand verbunden ist.
Hinzu kommt noch, daß eine Reinigung von Hand nicht parallel zur automatisch ablaufenden Reinigung der Füllgutdoseure erfolgen kann, da ein manueller Eingriff in die Maschine grundsätzlich nur bei spannungslos geschalteten Maschinenaggregaten erfolgen darf.
Sofern Verpackungsmaschinen der eingangs genannten Art mit Reinigungsvorrichtungen ausgestattet sind, so ist damit Bezug genommen auf die DE-A-689 05 158 T2. Die Reinigungsvorrichtung besteht dabei aus einem im Maschinenabdeckgehäuse horizontal verschieblichen, mit mehreren frei einstellbaren Düsen bestückten Schlitten und ist insbesondere bestimmt für das Waschen und Reinigen von vorgefertigten, rohrförmigen Verpackungsbehältern aber auch für das Bespülen von insoweit erfaßbaren Maschinenteilen und der Innenseiten des Abdeckgehäuses. Eine solche Reinigungsvorrichtung ersetzt zwar eine zeitaufwendige, manuelle Reinigung, wobei aber aufgrund der speziellen Ausgestaltung des düsenbestückten Schlittens von vornherein in Betracht gezogen ist, daß damit nur ein mehr oder weniger großer Teil der vorhandenen Maschinenelemente und Räume erfaßt werden kann. Aus diesem Grund ist deshalb in Betracht gezogen, in nicht erfaßbaren Bereichen zusätzlich stationäre Spüldüsen vorzusehen. Die Düsen am Schlitten sind zwar frei einstellbar, einmal eingestellt, bleibt es aber gewissermaßen bei einem mehr oder weniger ungezielten, nach allen Seiten gerichteten Duschvorgang mit entsprechend hohem Spülmittelverbrauch.Packaging machines of this generally defined type are well known and in use and thus relate, for example, to so-called thermoforming machines as well as to machines for the production of packaging bags and, in this respect, to machines that are operated under normal conditions and under sterile conditions. In this respect, packaging machines are also to be included, to which finished packaging containers that are still open for filling and that have to be closed after filling, for example in cup form, are continuously fed as packaging material.
If the filling material is in particular liquid to pasty, such machines must be cleaned thoroughly and if necessary after the end of an operating phase, usually also after an interruption in operation and in particular also when changing products. also be subjected to sterilization, the filling material dispensers of modern machines per se being designed in such a way that they can be automatically rinsed, which requires the placement of a suitably designed washing-up liquid collecting tray in this processing station. The separating or punching stations at the end of deep-drawing machines, which also represent finishing stations, are particularly critical, in which, for example, filled and covered individual cups or groups of cups are punched out, which as a rule is associated with waste to be removed, i.e., so-called waste stars, which occasionally occur in stow the appropriately trained stamping dies.
Apart from the automatic cleaning or rinsing of the dosing stations, it remains unavoidable, due to, for example, spilled contents, as a rule when the is removed Pressurized drip pans to thoroughly clean the entire ambience of the processing line by hand, whereby ambience also means, for example, the inner walls of a sterile tunnel if the packaging machine is to be operated under sterile conditions. The punching die of the punching station must also be cleaned by hand. The thoroughness of manual cleaning depends, of course, on the care of the operator who is entrusted with it, ie it is inevitable that areas of the ambience are overlooked or treated unevenly, not to mention that thorough manual cleaning , as mentioned, is associated with a considerable and in this respect also costly expenditure of time.
In addition, cleaning by hand cannot take place parallel to the automatic cleaning of the filling containers, since manual intervention in the machine may only be carried out with machine units switched off.
If packaging machines of the type mentioned at the outset are equipped with cleaning devices, reference is thus made to DE-A-689 05 158 T2. The cleaning device consists of a slide that is horizontally displaceable in the machine cover housing and equipped with several freely adjustable nozzles and is particularly intended for washing and cleaning prefabricated, tubular packaging containers, but also for washing machine parts that can be detected and the inside of the cover housing. Such a cleaning device replaces a time-consuming, manual cleaning, but due to the special design of the nozzle-equipped carriage, it is taken into account from the outset that only a more or less large part of the existing machine elements and spaces can be detected. For this reason, it is therefore considered to provide additional stationary flushing nozzles in areas that cannot be detected. The nozzles on the slide are freely adjustable, once set, but to a certain extent it remains a more or less untargeted, all-round shower process with a correspondingly high consumption of detergent.

Der Erfindung liegt demgemäß die Aufgabe zugrunde, Verpakkungsmaschinen der eingangs genannten Art, also solche, die mit einer eine automatische Reinigung zulassenden Vorrichtung, wie vorerläutert, ausgestattet sind, dahingehend zu verbessern, daß der automatische Reinigungsprozeß gezielter, damit gründlicher, rationeller und ohne zusätzliche Anordnung stationärer Düsen in bestimmten Bereichen durchführbar ist.The invention is therefore based on the object to improve packaging machines of the type mentioned, that is to say those which are equipped with an automatic cleaning device, as explained above, to the effect that the automatic cleaning process is more targeted, therefore more thorough, efficient and without additional arrangement stationary nozzles can be carried out in certain areas.

Diese Aufgabe ist an Verpackungsmaschinen der genannten Art nach der Erfindung dadurch gelöst, daß die Reinigungsvorrichtung aus einer an einem Träger gelagerten, in mehreren Freiheitsgraden gesteuert beweglichen Reinigungslanze gebildet ist, an deren freiem Ende ein durch die Lanze mit Reinigungsmittel, wie Luft, Dampf, Wasser, Sterilisationsmittel, unter Druck beschickbarer Reinigungskopf angeordnet ist.This object is achieved on packaging machines of the type mentioned according to the invention in that the cleaning device is formed from a cleaning lance mounted on a carrier and controlled in several degrees of freedom, at the free end of which a cleaning lance such as air, steam, water is provided through the lance , Sterilizing agent, cleaning head can be loaded under pressure.

Unter "seitlich zugeordnet" ist dabei im weitesten Sinne zu verstehen, daß je nach gegebener Maschinenart die Zuordnung an der einen oder anderen Seite, gegf. aber auch über der betreffenden Bearbeitungsstation oder wo auch immer geeignet vorgesehen werden kann.
Ferner ist unter "mehreren Freiheitsgraden beweglich" zu verstehen, daß die Lanze und damit deren Reinigungskopf durch Drehung, Verschiebung und Auf- und Absenkung auf die zu reinigenden Bereiche derart einstellbar und gegf. während des Sprühens über einen bestimmten Bereich bewegbar ist, daß diese Bereiche vom unter Druck aufgedüstem Reinigungsmittel bestreichbar sind, und schließlich ist unter "mindestens einer Reinigungseinrichtung" zu verstehen, daß jeder reinigungsbedürftigen Bearbeitungsstation eine solche Reinigungseinrichtung zugeordnet sein kann.
Durch eine derartige, einer Verpackungsmaschine zuzuordnende und in mehreren Freiheitsgraden gesteuert bewegbare Reinigungsvorrichtung sind die gestellten Forderungen erfüllt, d.h., der ganze Reinigungsvorgang ist personenunabhängig automatisiert, dadurch gleichmäßiger und insoweit gründlicher und damit letztlich auch zeit- und kostenreduzierter durchführbar."Laterally assigned" is to be understood in the broadest sense that, depending on the type of machine, the assignment on one side or the other, if necessary. but can also be provided above the processing station in question or wherever appropriate.
Furthermore, “several degrees of freedom of movement” is to be understood to mean that the lance and thus its cleaning head can be adjusted and adjusted to the areas to be cleaned by rotation, displacement and raising and lowering. can be moved during spraying over a certain area, that these areas can be brushed by the detergent sprayed under pressure, and finally "at least one cleaning device" means that such a cleaning device can be assigned to each processing station in need of cleaning.
Such a cleaning device, which can be assigned to a packaging machine and can be moved in a controlled manner in several degrees of freedom, fulfills the demands made, ie the entire cleaning process is automated independently of the person, and is therefore more uniform and, in this respect, more thorough and thus ultimately also less time and less costly.

Vorteilhafte Weiterbildungen bestehen in Folgendem:Advantageous further training consists of the following:

Der erwähnte Reinigungskopf ist mit mindestens einer auswechselbaren Düse bestückt, so daß eine reinigungsmittelspezifische Düse eingesetzt werden kann.The cleaning head mentioned is equipped with at least one replaceable nozzle, so that a cleaning agent-specific nozzle can be used.

Vorteilhaft kann der Reinigungskopf aber auch mit mehreren, jeweils separat mit unterschiedlichen Reinigungsmitteln beschickbaren Düsen bestückt sein, wobei je nach zu verdüsendem Reinigungsmittel die Versorgung der jeweils anderen Düsen abgeschaltet wird.However, the cleaning head can advantageously also be equipped with a plurality of nozzles, each of which can be fed separately with different cleaning agents, the supply of the other nozzles being switched off depending on the cleaning agent to be sprayed.

Unter Inkaufnahme eines einerseits größeren Aufwandes kann auch jeder reinigungsbedürftigen Bearbeitungsstation der Maschine eine Reinigungsvorrichtung zugeordnet werden, was jedoch andererseits eine noch spezifischere Anpassung der Reinigungsvorrichtung an die konstruktiven und funktionellen Gegebenheiten der jeweiligen Bearbeitungsstation zuläßt.At the expense of a greater outlay on the one hand, a cleaning device can also be assigned to each processing station of the machine requiring cleaning, but on the other hand this permits an even more specific adaptation of the cleaning device to the structural and functional conditions of the respective processing station.

Da mit einem beträchtlich reduzierten apparativen Aufwand verbunden, wird jedoch eine Ausführungsform dahingehend bevorzugt, daß der Träger der Lanze auf einer längs der Maschinenerstreckung angeordneten Führungsschiene gelagert und daran von einer reinigungsbedürftigen Bearbeitungsstation zur anderen verfahrbar ist.Since associated with a considerably reduced expenditure on equipment, however, an embodiment is preferred in that the lance carrier is mounted on a guide rail arranged along the machine extension and can be moved from one processing station to the other in need of cleaning.

Sofern es sich bei der Verpackungsmaschine um eine steril zu betreibende handelt, ist deren sogenannter Steriltunnel im Bereich jeder reinigungsbedürftigen Bearbeitungsstation mit einer verschließbaren Lanzeneingriffsöffnung versehen, wobei vorteilhaft in Betracht gezogen werden kann, die Betätigung des Öffnungsverschluß in die Steurerungsautomatik des Ganzen mit einzubeziehen.If the packaging machine is a sterile machine, its so-called sterile tunnel is provided with a closable lance opening in the area of each processing station that needs cleaning, whereby it can advantageously be considered to include the actuation of the opening closure in the automatic control system of the whole.

Die erfindungsgemäße Verpackungsmaschine und ihre vorteilhaften Weiterbildungen werden nachfolgend anhand des Ausführungsbeispieles in bevorzugter Ausführungsform einer Tiefziehmaschine näher erläutert.The packaging machine according to the invention and its advantageous developments are explained in more detail below on the basis of the exemplary embodiment in a preferred embodiment of a deep-drawing machine.

Es zeigt schematisch

Fig.1
eine Tiefziehmaschine mit der Reinigungsvorrichtung in Seitenansicht;
Fig.2
in Seitenansicht und in Einzeldarstellung die Reinigungsvorrichtung;
Fig.3-6
Betriebsstellungen der Reinigungsvorrichtung in verschiedenen Bearbeitungsstationen;
Fig.7
stark schematisiert im Schnitt quer zur Durchlaufrichtung eine Tiefziehmaschine für den Sterilbetrieb und
Fig.8
stark vereinfacht eine vorteilhafte Ausführungsform bzsgl. einer Steuerungssensorik.
It shows schematically
Fig.1
a thermoforming machine with the cleaning device in side view;
Fig.2
the cleaning device in side view and in individual representation;
Fig.3-6
Operating positions of the cleaning device in different processing stations;
Figure 7
A deep drawing machine for sterile operation and
Figure 8
greatly simplifies an advantageous embodiment. a control sensor system.

Die Fig.1 zeigt in Seitenansicht eine Verpackungsmaschine in bspw. Ausführungsform einer Tiefziehmaschine mit ihren verschiedenen Bearbeitungsstationen BA und einer Reinigungsvorrichtung 1, die allein in Seitenansicht und schematisch in Fig.2 verdeutlicht ist. Hinter der Vorratsrolle R einer die Maschine getaktet kontinuierlich durchlaufenden Packstoffbahn PB sind einer Folienvorwärmstation I folgende Bearbeitungsstationen BA nachgeordnet:1 shows a side view of a packaging machine in, for example, an embodiment of a deep-drawing machine with its various processing stations BA and a cleaning device 1, which is illustrated solely in side view and schematically in FIG. The following processing stations BA are arranged downstream of the supply roll R of a packaging material web PB which is continuously clocked through the machine, following a film preheating station I:

Eine Tiefziehstation II, zwei hintereinander angeordnete Füllstationen III, eine Schließstation IV und eine Stanzstation V zum Vereinzeln von hier nicht besonders dargestellten Einzelpackungen oder Packungsgruppen. Der Einfachheit halber sind die Stationen II, IV und V mit gleicher Symbolik dargestellt, was auch für die noch zu erläuternden Fig.3 bis 6 gilt.A deep-drawing station II, two filling stations III arranged one behind the other, a closing station IV and a punching station V for separating individual packs or pack groups, which are not specifically shown here. For the sake of simplicity, stations II, IV and V are shown with the same symbols, which also applies to FIGS. 3 to 6 to be explained.

Für eine Verpackungsmaschine auch bspw. dieser Art ist nun gemäß der Erfindung wesentlich, daß die Reinigungsvorrichtung 1 (siehe Fig.2) aus einer an einem Träger 2 gelagerten, in mehreren Freiheitsgraden gesteuert beweglichen Reinigungslanze 3 gebildet ist, an deren freien Ende 3' ein durch die Lanze 3 mit Reinigungsmittel, wie Luft, Dampf, Wasser, Sterilisationsmittel, unter Druck beschickbarer Reinigungskopf 4 angeordnet ist. Außer den mit Pfeilen P in Fig.2 grob angedeuteten Freiheits graden kann auch noch der eigentliche Lanzenträger 2' in Bezug auf das Trägerunterteil 2" drehbar und gegf. auch neigungseinstellbar ausgebildet sein, was sich letztlich nach den konstruktiven Gegebenheiten der jeweiligen mit einer solchen Reinigungsvorrichtung 1 bestückten Verpackungsmaschine richtet.For a packaging machine also of this type, for example, it is now essential according to the invention that the cleaning device 1 (see FIG. 2) is formed from a cleaning lance 3 mounted on a carrier 2 and controlled in several degrees of freedom, at the free end 3 'of which through the lance 3 with cleaning agents such as air, steam, water, sterilizing agent, cleaning head 4 which can be loaded under pressure. Except for the freedom roughly indicated by arrows P in Fig. 2 The actual lance carrier 2 'can also be rotated with respect to the carrier lower part 2 "and, if necessary, also adjustable in inclination, which ultimately depends on the structural conditions of the respective packaging machine equipped with such a cleaning device 1.

Für die Versorgung mit Reinigungsmittel und dessen Zuleitung zur Lanze 3 bzw. zum Reinigungskopf 4 stehen beispielhaft ein Vorratsbehälter 20, eine Pumpe 21 und und eine entsprechende Zuleitung 22. Beispielhaft insofern, als Preßluft, Dampf und gegf. auch Wasser aus entsprechend verfügbaren Versorgungsnetzen direkt und unter Druck der Lanze 3 via Zuleitung 22 zugeführt werden können.
Der Reinigungskopf 4 ist, wie in Fig.2 dargestellt, mit einer auswechselbaren Düse 5 bestückt, kann aber auch mit mehreren, separat mit unterschiedlichen Reinigungsmitteln beschickbarenFor the supply of cleaning agent and its supply line to the lance 3 or to the cleaning head 4 there are, for example, a storage container 20, a pump 21 and a corresponding supply line 22, for example insofar as compressed air, steam and. water from correspondingly available supply networks can also be supplied directly and under pressure to the lance 3 via the feed line 22.
As shown in FIG. 2, the cleaning head 4 is equipped with an exchangeable nozzle 5, but can also be loaded with several cleaning agents that can be fed separately

Düsen 5 bestückt sein, zu denen dann mehrere separate Leitungen 22 zur und durch die Lanze 3 führen, was nicht besonders dargestellt ist, da ohne weiteres vorstellbar. Aus gleichem Grund nicht besonders dargestellt sind die erforderlichen und steuerbaren Ventile.Nozzles 5 can be fitted, to which a plurality of separate lines 22 then lead to and through the lance 3, which is not particularly shown, since it is readily conceivable. For the same reason, the required and controllable valves are not particularly shown.

Den genannten Bearbeitungsstationen BA, d.h., den reinigungsbedürftigen Stationen II bis V kann jeweils eine Reinigungsvorrichtung 1 zugeordnet werden, was allerdings mit einem beträchtlichen apparativen Aufwand verbunden ist. Diese Möglichkeit ist ebenfalls nicht besonders dargestellt, bzw. ergibt sich indirekt aus den Fig.3 bis 6, obgleich es sich bei den dort dargestellten Reinigungsvorrichtungen 1 immer um die gleiche handelt.A cleaning device 1 can be assigned to each of the above-mentioned processing stations BA, i.e. the stations II to V that require cleaning, but this is associated with considerable expenditure on equipment. This possibility is also not particularly shown, or results indirectly from FIGS. 3 to 6, although the cleaning devices 1 shown there are always the same.

Unter Bezug auf Fig.1 und diese vorgenannten Fig. 3 bis 6 ist nämlich in bevorzugter Ausführungsform der Träger 2 der Lanze 3 auf einer längs der Maschinenerstreckung angeordneten Führungsschiene 6 gelagert und auf dieser von einer reinigungsbedürftigen Bearbeitungsstation BA zur anderen durch geeignete Antriebsmittel verfahrbar.With reference to FIG. 1 and these aforementioned FIGS. 3 to 6, in a preferred embodiment the carrier 2 of the lance 3 is mounted on a guide rail 6 arranged along the machine extension and can be moved on this from one processing station BA in need of cleaning to another by suitable drive means.

Sofern es sich um eine unter Sterilbedingungen zu betreibende Verpackungsmaschine handelt, wobei also die Bearbeitungsstrecke BS (Fig.1) mit einem Steriltunnel 7 abgedeckt ist (siehe die stark schematisierte Fig.7), so ist dieser Steriltunnel 7 im Bereich jeder reinigungsbedürftigen Bearbeitungsstation BA mit einer verschließbaren Lanzeneingriffsöffnung 8 versehen. Sofern die Öffnungsverschlüsse 8' vor Beginn einer Maschinenreinigung nicht von Hand geöffnet werden sollen, ließe sich deren Öffnung und Schließung unter Einbezug entsprechender Betätigungsmittel in die Reinigungs-Programmsteuerung 9 mit einbeziehen, die im übrigen mit der Maschinensteuerung MS gemäß Fig.8 verschaltet ist. Fig.8 zeigt auch stark vereinfacht eine weitere vorteilhafte Ausführungsform dahingehend, daß am Reinigungskopf 4 oder am Endbereich 3' der Reinigungslanze 3 eine Steuerungssensorik 10 angeordnet ist.If it is a packaging machine to be operated under sterile conditions, that is to say the processing line BS (FIG. 1) is covered with a sterile tunnel 7 (see the highly schematic FIG. 7), then this sterile tunnel 7 is in the area of each processing station BA that requires cleaning a closable lance engagement opening 8. If the opening closures 8 'are not to be opened by hand before the start of machine cleaning, their opening and closing could be included in the cleaning program controller 9, which is connected to the machine controller MS according to FIG. 8 also shows, in a highly simplified manner, a further advantageous embodiment in that a control sensor system 10 is arranged on the cleaning head 4 or on the end region 3 'of the cleaning lance 3.

Ausgehend von der Reinigungsvorrichtung 1 in Neutralstellung bspw. neben der Vorwärmstation I (siehe Fig.3), die in der Regel keiner Reinigung bedarf, fährt die Vorrichtung gemäß Reinigungsprogramm die gesamte Maschine ab und reinigt deren Bearbeitungsstationen BA wiederholgenau gleich.Starting from the cleaning device 1 in the neutral position, for example next to the preheating station I (see FIG. 3), which as a rule does not require any cleaning, the device runs the entire machine in accordance with the cleaning program and cleans its processing stations BA precisely and repeatedly.

Zur Erstinbetriebnahme wird die Reinigungsvorrichtung 1 bzw. der Reinigungsroboter einmalig mit der Geometrie der zu reinigenden Maschine vertraut gemacht bzw. programmiert, um Kollisionen zwischen Roboter bzw. Lanze und Maschine zu vermeiden. Denkbar wäre aber auch eine entsprechende Sensorik oder die Übernahme der virtuellen Maschinengeometrie aus einem 3D CAD-System.For the initial start-up, the cleaning device 1 or the cleaning robot is familiarized or programmed once with the geometry of the machine to be cleaned in order to avoid collisions between the robot or lance and the machine. Appropriate sensors or the transfer of virtual machine geometry from a 3D CAD system would also be conceivable.

Zum Reinigungsprogramm gehören natürlich auch sämtliche für die Bearbeitungsstationen maßgebenden Parameter für deren Reinigung, also bspw. Berücksichtigung konstruktiv-geometrische Gegebenheiten für die Bewegungen des Reinigungskopfes 4 in die und innerhalb der Bearbeitungsstation, Auswahl und Freigabe des für die Bearbeitungsstation zu verwendenden Reinigungsmittels, Verweilzeiten des Reinigungskopfes. 4 für bestimmte Bereiche usw.The cleaning program also includes, of course, all parameters relevant to the processing stations for their cleaning, i.e., for example, taking into account structural-geometric conditions for the movements of the cleaning head 4 into and within the processing station, selection and approval of the cleaning agent to be used for the processing station, dwell times of the cleaning head , 4 for certain areas etc.

Diesbezüglich wird auch auf die Fig. 4 bis 6 verwiesen, wobei bspw. in der Stanzstation V gemäß Fig.4 ein etwas anderes Raster von der mit bspw. Preßluft betrieben Düse 5 abzufahren ist als im Bereich der Füllstation III gemäß Fig.6 oder irgendwel che ebenfalls zu reinigender Konstruktionsteile der Maschine selbst, wie Führungsschienen FS gemäß Fig.5.In this regard, reference is also made to FIGS. 4 to 6, for example in the punching station V according to FIG. 4 a slightly different grid is to be moved from the nozzle 5 operated with compressed air than in the area of the filling station III according to FIG. 6 or any other also parts of the machine itself to be cleaned, such as guide rails FS according to Fig. 5.

Claims (7)

Verpackungsmaschine zur Herstellung, Befüllung und Vereinzelung von Verpackungen aus mindestens einer kontinuierlich zugeförderten und durch Bearbeitungsstationen (BA) der Maschine geführten Packstoffbahn(PB), wobei der Verpackungsmaschine seitlich mindestens eine Reinigungsvorrichtung (1) zugeordnet ist,
dadurch gekennzeichnet,
daß die Reinigungsvorrichtung (1) aus einer an einem Träger (2) gelagerten, in mehreren Freiheitsgraden gesteuert beweglichen Reinigungslanze (3) gebildet ist, an deren freiem Ende ein durch die Lanze (3) mit Reinigungsmittel, wie Luft, Dampf, Wasser, Sterilisationsmittel, unter Druck beschickbarer Reinigungskopf (4) angeordnet ist.Packaging machine for producing, filling and separating packaging from at least one continuously fed packaging material web (PB) which is fed through processing stations (BA) of the machine, at least one cleaning device (1) being assigned to the side of the packaging machine,
characterized,
that the cleaning device (1) is formed from a cleaning lance (3) mounted on a carrier (2) and controlled in several degrees of freedom, at the free end of which a cleaning lance, such as air, steam, water, sterilizing agent, through the lance (3) , cleaning head (4) which can be loaded under pressure is arranged. Verpackungsmaschine nach Anspruch 1,
dadurch gekennzeichnet,
daß der Reinigungskopf (4) mit mindestens einer auswechselbaren Düse (5) bestückt ist.Packaging machine according to claim 1,
characterized,
that the cleaning head (4) is equipped with at least one interchangeable nozzle (5). Verpackungsmaschine nach Anspruch 1,
dadurch gekennzeichnet,
daß der Reinigungskopf (4) mit mehreren, separat mit unterschiedlichen Reinigungsmitteln beschickbaren Düsen (5) bestückt ist.Packaging machine according to claim 1,
characterized,
that the cleaning head (4) is equipped with several nozzles (5) which can be fed separately with different cleaning agents. Verpackungsmaschine nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß jeder reinigungsbedürftigen Bearbeitungsstation (BA) der Maschine eine Reinigungsvorrichtung (1) zugeordnet ist.Packaging machine according to one of claims 1 to 3,
characterized,
that each processing station (BA) of the machine requiring cleaning is assigned a cleaning device (1). Verpackungsmaschine nach einem der Ansprüche 1 bis 3, mit einer längs der Maschinenerstreckung verfahrbaren Reinigungsvorrichtung,
dadurch gekennzeichnet,
daß der Träger (2) der Lanze (3) auf einer längs der Maschinenerstreckung angeordneten Führungsschiene (6) gelagert und darauf von einer reinigungsbedürftigen Bearbeitungsstation (BA) zur anderen verfahrbar ist.Packaging machine according to one of claims 1 to 3, with a cleaning device which can be moved along the machine extension,
characterized,
that the carrier (2) of the lance (3) is mounted on a guide rail (6) arranged along the machine extension and can be moved there from one processing station (BA) to the other which requires cleaning. Verpackungsmaschine nach einem der Ansprüche 1 bis 5, wobei die Berarbeitungsstrecke (BS) mit einem Steriltunnel (7) abgedeckt ist,
dadurch gekennzeichnet,
daß der Steriltunnel (7) im Bereich jeder reinigungsbedürftigen Bearbeitungsstation (BA) mit einer verschließbaren Lanzeneingriffsöffnung (8) versehen ist.Packaging machine according to one of claims 1 to 5, wherein the processing line (BS) is covered with a sterile tunnel (7),
characterized,
that the sterile tunnel (7) is provided with a closable lance opening (8) in the area of each processing station (BA) requiring cleaning. Verpackungsmaschine nach einem der Ansprüche 1 bis 6,
wobei die Reinigungsvorrichtung (1) mit einer der Maschinensteuerung (MS) zugeordneten Programmsteuerung (9) verschaltet ist,
dadurch gekennzeichnet,
daß am Reinigungskopf (4) oder am Endbereich der Reinigungslanze (3) eine Steuerungssensorik (10) angeordnet ist.Packaging machine according to one of claims 1 to 6,
wherein the cleaning device (1) is connected to a program control (9) assigned to the machine control (MS),
characterized,
that a control sensor system (10) is arranged on the cleaning head (4) or on the end region of the cleaning lance (3).
EP03012748A 2002-09-26 2003-06-05 Packaging machine with a cleaning device Expired - Lifetime EP1403187B1 (en)

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DE102009020629A1 (en) * 2009-05-09 2010-11-11 Variovac Ps Systempack Gmbh Method for cleaning and disinfecting e.g. interior space of molding machine used in food processing industry, involves conveying and distributing servicing, cleaning and disinfection agents
ITPG20090068A1 (en) * 2009-12-22 2011-06-23 Ipi Srl METHOD FOR STERILIZING AND / OR CLEANING AT LEAST A FILLING LINE OF A EQUIPMENT FOR PACKAGING CONTAINERS FOR VERSIBLE PRODUCTS.
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EP2980007A4 (en) * 2013-03-28 2016-11-30 Dainippon Printing Co Ltd Filler-cleaning method and device
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WO2018206602A1 (en) * 2017-05-08 2018-11-15 Haver & Boecker Ohg Filling machine for filling open bags with bulk material and cleaning device
CN110691654A (en) * 2017-05-08 2020-01-14 海福和博克公司 Filling machine and cleaning device for filling bulk material into open bags
US11305907B2 (en) 2017-05-08 2022-04-19 Haver & Boecker Ohg Filling machine for filling open bags with bulk material and cleaning device
US20200239172A1 (en) * 2017-08-09 2020-07-30 Krones Ag Container handling system
US11938523B2 (en) * 2017-08-09 2024-03-26 Krones Ag Container treatment system

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DE10244809B4 (en) 2004-08-05

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