EP2748105B1 - Filling device - Google Patents

Filling device Download PDF

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Publication number
EP2748105B1
EP2748105B1 EP12730157.0A EP12730157A EP2748105B1 EP 2748105 B1 EP2748105 B1 EP 2748105B1 EP 12730157 A EP12730157 A EP 12730157A EP 2748105 B1 EP2748105 B1 EP 2748105B1
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EP
European Patent Office
Prior art keywords
filling
rotor
cans
opening
mounts
Prior art date
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Application number
EP12730157.0A
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German (de)
French (fr)
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EP2748105A1 (en
Inventor
Ludwig Clüsserath
Timo Jakob
Thomas Stolte
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KHS GmbH
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KHS GmbH
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Priority to PL12730157T priority Critical patent/PL2748105T3/en
Publication of EP2748105A1 publication Critical patent/EP2748105A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/24—Devices for supporting or handling bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C2003/2657—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for filling cans

Definitions

  • the invention relates to a device for filling cans or the like containers with a liquid filling material, for example with a carbon dioxide-free liquid filling material according to the preamble of patent claim 1, and as from JP 2010 023 919 known.
  • Generic devices for filling cans or the like containers with a liquid Follgut, for example with a carbon dioxide-free liquid filling material are known. They include u.a. a rotatable around a vertical axis of the machine rotor having a plurality of filling positions each with a can receptacle and with a above the can receptacle on the rotor or on a Greelement whatsoever there arranged filling element, the cans to be filled are fed to a can task the rotor or the filling positions and with the rotor is moved to a can delivery.
  • the disadvantage here is that the centering tulips signify a considerable design effort and that the top-side touching the cans through the fixing and centering tulips carries the risk of contamination of the cans and the contents received within the cans, the contamination already a fixing and centering tulip Contamination of whole batches of cans.
  • this document introduces a, a movable gripper having gripping device, said movable gripper engages the bottom of a beverage can. More in detail, this movable gripper can be moved between an opening position and a closing position, wherein the movement angle, which describes the gripper between the two positions due to the spatial narrowness of the entire arrangement is only small.
  • This small O Stammswimkel has the disadvantage that the doses when introduced into the device must be moved almost radially, which makes the supply of doses to the device, especially at high power considerably more difficult.
  • JP 08151117 Another device was through the JP 08151117 presented.
  • the presented device is a circumferential inspection device for bottles.
  • the JP 08151117 also a gripper, which has at least one movable gripper (arm), whereby the above-mentioned head and night also apply to this device.
  • One aspect of the device according to the invention is that the can between the can application and the can delivery without touching the filling element and at free can opening or at free-lying can opening edge is fixed at least temporarily circumferentially relative to the rotor and / or Golfelementmik and / or that the Can by means of acting on the bottom of the can vacuum is at least temporarily fixed relative to the rotor.
  • free-jet filling is to be understood as meaning a process in which the liquid filling material of the can to be filled flows in a free filling material jet, the can with its can opening not bearing against the filling element but being spaced from the filling element or from a filling element outlet opening there ,
  • the filling device is designed for a free-jet hot filling or hot-aseptic free jet filling of the cans, in which the filling material is introduced into the cans in the hot state in a free Medgutstrahl.
  • the filling device 1 which is designed for pressureless filling or free jet filling, preferably for free jet hot filling of cans with a carbonated liquid, comprises a rotor 2 that can be driven circumferentially about a vertical machine axis MA and has a plurality of can receptacles 2.1.
  • the respective can shots 2.1 associated filling elements 4 are provided, each forming together with the respective associated can shots 2.1 a plurality of filling points.
  • the filling elements 4 are spaced from each other at fixed angular intervals provided on an annular Greelementong 3, wherein the Greelementvic 3 is fixed to the rotor 2 and is rotatably driven together with this about the vertical machine axis MA.
  • the doses are 5, as in Fig. 1 indicated by the arrow labeled BS, at a can task eg in a radial direction relative to the Inserted machine axis MA, so that in each case a can 5 is arranged on a can receptacle 2.1 with its bottom can 5.1 and resting with its can axis parallel to the machine axis MA.
  • each associated filling element 4 is provided, the u.a. has a Greet- or Golfelementauslass 4.1, which is arranged above the can opening 5.2 and spaced therefrom.
  • the rotor 2 and the Artelementlini 3 are synchronously driven circumferentially about the machine axis MA, so that upon rotation of the rotor 2, the can 5 is always centered with its can opening 5.2 below the Greelementauslasses 4.1 of the filling element 4 and thus in the between the can task and the dose delivery angle range of the rotational movement of the rotor 2 can be filled with the medium or with the liquid.
  • the filling elements 4 are each in a conventional manner via pipes with a arranged above the Greelement constitutives 3 ring boiler 3.1 for receiving the contents in combination.
  • a liquid valve is provided in each case, which is opened and closed to achieve the desired level and / or capacity in the can 5 controlled.
  • each can 5 is at least partially fixed circumferentially relative to the rotor 2 and / or the Golfelementlini 3, namely mechanically and / or by means of a on the Can bottom 5.1 acting negative pressure.
  • the fixing of the can 5 takes place mechanically by means of a clamping of the can 5 between a receptacle 6 fixedly arranged on the rotor 2 and a movable clamping element 7.
  • the receptacle 6 from a receiving holder 6.4, which projects from the can shots 2.1 forming part of the rotor 2 in the direction of Greenelementongs 3, and a first and a second arranged on the receiving holder 6.4 receiving element 6.1, 6.2.
  • the receiving elements 6.1, 6.2 are in this case preferably arranged at a distance from one another in the direction of the machine axis MA, so that along the vertical axis of the can 5 station-shaped contact surfaces are formed by the receptacle 6.
  • the first and second receiving element 6.1, 6.2 circular recesses 6.3, whose arc radius is adapted to the radius of the male box 5, so that thereby forms an at least partially circumferential contact surface for the can 2.
  • the circular-arc-shaped recesses 6.3 are in this case radially outwardly open with respect to the machine axis MA, so that the cans 5 placed on the can task with respect to the machine axis MA radially inwardly on the rotor 2 and pushed in the direction of arrow BS radially inwardly on the can receiving points 2.1 can be, so that in the end position, the box circumferentially partially abuts against the first and second receiving element 6.1, 6.2.
  • recesses 2.2 may be provided which cause additional lateral guidance and centering of the can 5 when inserted into the can task.
  • annular or circular ring-shaped receiving elements 6.1, 6.2 may be provided which arranged a variety of the outside circumferentially have circular arcuate recesses 6.3.
  • individual receptacles 6 may be provided, wherein in each case such a single receptacle of a can receptacle 2.1 or a filling element 4 is assigned.
  • each filling element 4 is assigned a clamping element 7, based on the machine axis MA is fixed radially on the outside of the housing of the filling element 4.
  • This clamping element 7 is designed like a lifting cylinder and has a guided in a cylinder sleeve lifting rod 7.1 with a RONd disorder provided Hubstangenende 7.2, which projects radially at least on the side facing the can 5 against the lifting rod 7.1 and with this Hubstangenende 7.2 preferably at the receiving 6 diametrically opposite side to the abutment against the peripheral side of the can 5 comes, outside the can opening 5.2.
  • the lifting rod 7.1 is in this case at least in a retracted position ( Fig. 2 ) and an extended position ( Fig. 1 . Fig.
  • a can 5 is supplied to the can task of each individual can receptacle 2.1 by means of a feed directed radially inward relative to the machine axis MA.
  • the lifting rod 7.1 of the clamping element 7 is pushed into the lifting cylinder element so far that the insertion of the can 5 is not hindered by the ITAd worne Hubstangenende 7.2.
  • the can 5 by pushing out the lifting rod 7.1 between the receptacle 6 and the Hub rod end 7.2 held as described above.
  • the controlled filling of the can 5 takes place by means of the overlying filling element 4.
  • the can 5 is moved by the rotatably driven rotor 2 from the can task to the can delivery.
  • the can for subsequent removal from the can receiving point 2.1 is released by the insertion of the lifting rod 7.1.
  • fixation of the can 5 can be done mechanically by means of two mutually pliers-like movable clamping elements, which are provided on the rotor 2 or the Greelementucc 3.
  • a further possibility for fixing the can 5 relative to the rotor 2 is shown, which can be provided on the rotor 2 in addition to the above-mentioned clamping attachment of the can 5.
  • at least one opening 8 is provided in the area of the can receptacle 2.1, which is in communication with a channel 9 provided in the rotor 2.
  • This channel 9 may be connected to at least one negative pressure generating unit, so that via the opening 8, a negative pressure is generated on the bottom of the can 5.1 and a suction of the can 5 takes place on the rotor 2.
  • a negative pressure on the can bottom 5.1 is made comparable to a fluid jet pump.
  • a channel 9 may be provided within the rotor 2, which has, for example, one of the can receptacle 2.1 opposite channel outlet opening 9.1, via the guided in the channel 9 compressed air can escape to the outside.
  • a further channel section 9.2 is introduced, which extends transversely in particular at right angles to the channel 9 and opens with a Kanalabimposingsende in the channel 9.
  • the further channel section end of the channel section 9.2 forms the opening 8, which is provided in the region of the can receiving point 2.1.

Landscapes

  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Basic Packing Technique (AREA)

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur Befüllung von Dosen oder dergleichen Behälter mit einem flüssigen Füllgut, beispielsweise mit einem kohlesäurefreien flüssigen Füllgut gemaß dem Oberbegriff des Patentanspruchs 1, und wie aus der JP 2010 023 919 bekannt.The invention relates to a device for filling cans or the like containers with a liquid filling material, for example with a carbon dioxide-free liquid filling material according to the preamble of patent claim 1, and as from JP 2010 023 919 known.

Gattungsgemäße Vorrichtungen zum Füllen von Dosen oder dergleichen Behälter mit einem flüssigen Follgut, beispielsweise mit einem kohlesäurefreien flüssigen Füllgut sind bekannt. Sie umfassen u.a. einen um eine vertikale Maschinenachse umlaufend antreibbaren Rotor mit einer Vielzahl von Füllpositionen jeweils mit einer Dosenaufnahme und mit einem oberhalb der Dosenaufnahme am Rotor oder an einem dortigen Füllelementträger angeordneten Füllelement, Die zu füllenden Dosen werden an einer Dosenaufgabe dem Rotor bzw. den Füllpositionen zugeführt und mit dem Rotor an eine Dosenabgabe bewegt. Um eine lagemäßige bzw. ausgerichtete Fixierung der Dose gegenüber dem Füllelement zu erreichen, ist es bekannt, dass am Füllelement eine Fixier- und Zentriertulpe vorgesehen ist und dass das Füllelement und die zu füllende Dose relativ zueinander derart bewegt werden, dass die Dose durch die Fixier- und Zentriertulpe zentriert und mit ihrer Dosenöffnung in Dichtlage am Füllelement gehalten ist.Generic devices for filling cans or the like containers with a liquid Follgut, for example with a carbon dioxide-free liquid filling material are known. They include u.a. a rotatable around a vertical axis of the machine rotor having a plurality of filling positions each with a can receptacle and with a above the can receptacle on the rotor or on a Füllelementträger there arranged filling element, the cans to be filled are fed to a can task the rotor or the filling positions and with the rotor is moved to a can delivery. In order to achieve a positional or aligned fixation of the can relative to the filling element, it is known that a fixing and centering is provided on the filling element and that the filling element and the can to be filled relative to each other are moved so that the can through the fixing Centered centering and centered and held with its can opening in sealing position on the filling element.

Nachteilig hierbei ist, dass die Zentriertulpen einen erheblichen konstruktiven Aufwand bedeuten und dass das oberseitige Berühren der Dosen durch die Fixier- und Zentriertulpen die Gefahr einer Kontamination der Dosen sowie des innerhalb der Dosen aufgenommenen Füllguts birgt, wobei die Kontamination bereits einer Fixier- und Zentriertulpe die Kontamination ganzer Chargen von Dosen zur Folge hat.The disadvantage here is that the centering tulips signify a considerable design effort and that the top-side touching the cans through the fixing and centering tulips carries the risk of contamination of the cans and the contents received within the cans, the contamination already a fixing and centering tulip Contamination of whole batches of cans.

Eine Vorrichtung, die diese Situation verbessert, wurde bereits von der JP 2010 023919 vorgestellt. Zur sicheren Fixierung einer Getränkedose stellt diese Schrift eine, einen beweglichen Greifer aufweisende Greifvorrichtung vor, wobei dieser bewegliche Greifer am Boden einer Getränkedose angreift. Mehr im Detail kann dieser bewegliche Greifer zwischen einer Öffnungsposition und einer Schließposition bewegt werden, wobei der Bewegungswinkel, welchen der Greifer zwischen beiden Positionen beschreibt aufgrund der räumlichen Enge der gesamten Anordnung nur gering Ist. Dieser geringe Offnungswimkel weist den Nachteil auf, dass die Dosen beim Einbringen in die Vorrichtung nahezu radial bewegt werden müssen, was die Zufuhr der Dosen zu der Vorrichtung insbesondere bei hoher Leistung erheblich erschwert.A device that improves this situation has already been adopted by the JP 2010 023919 presented. For secure fixation of a beverage can, this document introduces a, a movable gripper having gripping device, said movable gripper engages the bottom of a beverage can. More in detail, this movable gripper can be moved between an opening position and a closing position, wherein the movement angle, which describes the gripper between the two positions due to the spatial narrowness of the entire arrangement is only small. This small Offnungswimkel has the disadvantage that the doses when introduced into the device must be moved almost radially, which makes the supply of doses to the device, especially at high power considerably more difficult.

Eine weitere Vorrichtung wurde durch die JP 08151117 vorgestellt. Bei der vorgestellten Vorrichtung handelt es sich um eine umlaufende Inspektionsvorrichtung für Flaschen. Zur Fixierung der Flaschen innerhalb der umlaufenden Inspektionsvorrichtung schlägt die JP 08151117 ebenfalls einen Greifer vor, welcher mindestens einen beweglichen Greifer(arm) aufweist, wodurch die oben genannten Vor- und Nachtelle auch für diese Vorrichtung gelten.Another device was through the JP 08151117 presented. In the presented device is a circumferential inspection device for bottles. For fixing the bottles within the rotating inspection device suggests the JP 08151117 also a gripper, which has at least one movable gripper (arm), whereby the above-mentioned head and night also apply to this device.

Ausgehend hiervon ist es Aufgabe der Erfindung, eine Vorrichtung zum Füllen von Dosen mit einem Füllgut aufzuzeigen, die bei vereinfachter Konstruktion und hoher Betriebssicherheit die Gefahr einer Kontamination der zu füllenden Dose bzw. des darin enthaltenen Füllguts verringert und dabei gleichzeitig eine optimale lagerichtlge Fixierung der Dose gegenüber dem Füllelement ermöglicht. Die Aufgabe wird ausgehend vom Oberbegriff des Patentanspruchs 1 durch dessen kennzeichnende Merkmale gelöst.Proceeding from this, it is an object of the invention to provide a device for filling cans with a filling material, which reduces the risk of contamination of the can to be filled or the contents contained therein with simplified design and high reliability and at the same time an optimal position-tight fixation of the can allows against the filling element. The The object is achieved on the basis of the preamble of claim 1 by its characterizing features.

Ein Aspekt der erfindungsgemäßen Vorrichtung besteht darin, dass die Dose zwischen der Dosenaufgabe und der Dosenabgabe ohne Berührung des Füllelements und bei frei liegender Dosenöffnung bzw. bei frei liegendem Dosenöffnungsrand zumindest zeitweise umfangsseitig gegenüber dem Rotor und/oder dem Füllelementträger fixiert ist und/oder dass die Dose mittels eines auf den Dosenboden wirkenden Unterdrucks zumindest zeitweise gegenüber dem Rotor fixiert ist.One aspect of the device according to the invention is that the can between the can application and the can delivery without touching the filling element and at free can opening or at free-lying can opening edge is fixed at least temporarily circumferentially relative to the rotor and / or Füllelementträger and / or that the Can by means of acting on the bottom of the can vacuum is at least temporarily fixed relative to the rotor.

Unter Freistrahlfüllen ist im Sinne der Erfindung ein Verfahren zu verstehen, bei dem das flüssige Füllgut der zu füllenden Dose in einem freien Füllgutstrahl zuströmt, wobei die Dose mit ihrer Dosenöffnung nicht am Füllelement anliegt, sondern von dem Füllelement bzw. von einer dortigen Füllelementauslassöffnung beabstandet ist.For the purposes of the invention, free-jet filling is to be understood as meaning a process in which the liquid filling material of the can to be filled flows in a free filling material jet, the can with its can opening not bearing against the filling element but being spaced from the filling element or from a filling element outlet opening there ,

Bei einer bevorzugten Ausführungsform ist die Füllvorrichtung für ein Freistrahl-Heißfüllen bzw. heißaseptisches Freistrahlfüllen der Dosen ausgebildet, bei dem das Füllgut im heißen Zustand in einem freien Füllgutstrahl in die Dosen eingebracht wird.In a preferred embodiment, the filling device is designed for a free-jet hot filling or hot-aseptic free jet filling of the cans, in which the filling material is introduced into the cans in the hot state in a free Füllgutstrahl.

Der Ausdruck "im Wesentlichen" bzw. "etwa" bedeutet im Sinne der Erfindung Abweichungen vom jeweils exakten Wert um +/- 10%, bevorzugt um +/- 5% und/oder Abweichungen in Form von für die Funktion unbedeutenden Änderungen.The expression "essentially" or "approximately" in the sense of the invention means deviations from the exact value by +/- 10%, preferably by +/- 5%, and / or deviations in the form of changes insignificant for the function.

Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche. Die Erfindung wird im Folgenden anhand der Figuren an Ausführungsbeispielen näher erläutert. Es zeigen:

Fig. 1
eine erfindungsgemäße Füllvorrichtung in einer die vertikale Maschinenachse aufnehmenden Schnittebene;
Fig. 2
eine erfindungsgemäße Füllvorrichtung in einer perspektivischen Teildarstellung;
Fig. 3
die erfindungsgemäße Füllvorrichtung gemäß Fig.2 mit einer lagemäßig fixierten Dose;
Fig. 4
einen Rotor einer erfindungsgemäßen Füllvorrichtung mit einer mittels Unterdruck am Rotor bzw. an einer Füllposition fixierten Dose in einer schematischen Schnittdarstellung;
Fig. 5
in einer schematischen Schnittdarstellung den Rotor der erfindungsgemäßen Füllvorrichtung mit einer unter Verwendung von Druckluft am Rotor fixierten Dose in einer weiteren Ausführungsvariante;
Fig. 6
in einer schematischen Schnittdarstellung den Rotor der erfindungsgemäßen Füllvorrichtung mit einer unter Verwendung von Druckluft am Rotor fixierten Dose in einer weiteren Ausführungsvariante;
Further developments of the invention are the subject of the dependent claims. The invention will be explained in more detail below with reference to the figures of exemplary embodiments. Show it:
Fig. 1
a filling device according to the invention in a vertical axis of the machine receiving cutting plane;
Fig. 2
a filling device according to the invention in a perspective partial view;
Fig. 3
the filling device according to the invention Fig.2 with a positionally fixed box;
Fig. 4
a rotor of a filling device according to the invention with a fixed by means of negative pressure on the rotor or at a filling position can in a schematic sectional view;
Fig. 5
in a schematic sectional view of the rotor of the filling device according to the invention with a fixed using compressed air on the rotor box in a further embodiment;
Fig. 6
in a schematic sectional view of the rotor of the filling device according to the invention with a fixed using compressed air on the rotor box in a further embodiment;

In den Figuren 1-3 ist jeweils mit dem Bezugszeichen 1 eine erfindungsgemäße Füllvorrichtung umlaufender Bauart in einem ersten Ausführungsbeispiel gezeigt.In the Figures 1-3 is in each case by the reference numeral 1, a filling device according to the invention of circumferential design shown in a first embodiment.

Die Füllvorrichtung 1, die zum drucklosen Füllen oder Freistrahlfüllen, bevorzugt zum Freistrahl-Heißfüllen von Dosen mit einer kohlensäurefreien Flüssigkeit ausgebildet ist, umfasst einen um eine vertikale Maschinenachse MA umlaufend antreibbaren Rotor 2, der eine Vielzahl von Dosenaufnahmen 2.1 aufweist.The filling device 1, which is designed for pressureless filling or free jet filling, preferably for free jet hot filling of cans with a carbonated liquid, comprises a rotor 2 that can be driven circumferentially about a vertical machine axis MA and has a plurality of can receptacles 2.1.

Oberhalb des Rotors 2 sind den jeweiligen Dosenaufnahmen 2.1 zugeordnete Füllelemente 4 vorgesehen, die jeweils zusammen mit den jeweils zugeordneten Dosenaufnahmen 2.1 eine Vielzahl von Füllstellen bilden. Die Füllelemente 4 sind in festen Winkelabständen zueinander beabstandet an einem ringförmigen Füllelementträger 3 vorgesehen, wobei der Füllelementträger 3 am Rotor 2 befestigt ist und gemeinsam mit diesem um die vertikale Maschinenachse MA umlaufend antreibbar ist.Above the rotor 2 the respective can shots 2.1 associated filling elements 4 are provided, each forming together with the respective associated can shots 2.1 a plurality of filling points. The filling elements 4 are spaced from each other at fixed angular intervals provided on an annular Füllelementträger 3, wherein the Füllelementträger 3 is fixed to the rotor 2 and is rotatably driven together with this about the vertical machine axis MA.

Die Dosen 5 werden, wie in Fig. 1 durch den mit BS bezeichneten Pfeil angedeutet, an einer Dosenaufgabe z.B. in einer radialen Richtung bezogen auf die Maschinenachse MA eingeschoben, so dass jeweils eine Dose 5 auf einer Dosenaufnahme 2.1 mit ihrem Dosenboden 5.1 aufliegend und mit ihrer Dosenachse parallel zur Maschinenachse MA angeordnet ist.The doses are 5, as in Fig. 1 indicated by the arrow labeled BS, at a can task eg in a radial direction relative to the Inserted machine axis MA, so that in each case a can 5 is arranged on a can receptacle 2.1 with its bottom can 5.1 and resting with its can axis parallel to the machine axis MA.

Oberhalb der Dosenaufnahmen 2.1 in Richtung parallel zur Maschinenachse MA ist jeweils das zugehörige Füllelement 4 vorgesehen, das u.a. einen Füllgut- oder Füllelementauslass 4.1 aufweist, der oberhalb der Dosenöffnung 5.2 und von dieser beabstandet angeordnet ist. Der Rotor 2 und der Füllelementträger 3 sind synchron zueinander umlaufend um die Maschinenachse MA angetrieben, so dass bei Drehung des Rotors 2 die Dose 5 mit ihrer Dosenöffnung 5.2 stets zentriert unterhalb des Füllelementauslasses 4.1 des Füllelements 4 angeordnet ist und somit in dem zwischen der Dosenaufgabe und der Dosenabgabe liegenden Winkelbereich der Drehbewegung des Rotors 2 mit dem Füllgut bzw. mit der Flüssigkeit befüllt werden kann.Above the can shots 2.1 in the direction parallel to the machine axis MA each associated filling element 4 is provided, the u.a. has a Füllgut- or Füllelementauslass 4.1, which is arranged above the can opening 5.2 and spaced therefrom. The rotor 2 and the Füllelementträger 3 are synchronously driven circumferentially about the machine axis MA, so that upon rotation of the rotor 2, the can 5 is always centered with its can opening 5.2 below the Füllelementauslasses 4.1 of the filling element 4 and thus in the between the can task and the dose delivery angle range of the rotational movement of the rotor 2 can be filled with the medium or with the liquid.

Die Füllelemente 4 stehen jeweils in an sich bekannter Weise über Rohrleitungen mit einem oberhalb des Füllelementträgers 3 angeordneten Ringkessel 3.1 zur Aufnahme des Füllgutes in Verbindung. Innerhalb der Füllelemente 4 ist jeweils ein Flüssigkeitsventil vorgesehen, welches zur Erzielung der angestrebten Füllhöhe und/oder Füllmenge in der Dose 5 gesteuert geöffnet und geschlossen wird.The filling elements 4 are each in a conventional manner via pipes with a arranged above the Füllelementträgers 3 ring boiler 3.1 for receiving the contents in combination. Within the filling elements 4, a liquid valve is provided in each case, which is opened and closed to achieve the desired level and / or capacity in the can 5 controlled.

Im Gegensatz zu bekannten Verfahren erfolgt das Füllen der Dosen 5 drucklos im Freistrahl, wobei keinerlei Berührung zwischen dem Füllelement 4 und der Dose 5, insbesondere der Dosenöffnung 5.1 und des Öffnungsrandes erfolgt. Dadurch wird u.a. eine Kontamination der Dose 5 bzw. des in diese eingebrachten flüssigen Füllgutes wirksam vermieden. Um trotzdem die notwendige Fixierung und Zentrierung der Dose 5 am Rotor 2 zu erreichen, ist erfindungsgemäß vorgesehen, dass jede Dose 5 zumindest zweitweiseweise umfangsseitig gegenüber dem Rotor 2 und/oder dem Füllelementträger 3 fixiert ist, und zwar mechanisch und/oder mittels eines auf dem Dosenboden 5.1 wirkenden Unterdrucks.In contrast to known methods, the filling of the cans 5 is carried out without pressure in the free jet, wherein no contact between the filling element 4 and the can 5, in particular the can opening 5.1 and the opening edge takes place. As a result, inter alia, a contamination of the can 5 or of the introduced therein liquid filling material is effectively avoided. In order nevertheless to achieve the necessary fixation and centering of the can 5 on the rotor 2, the invention provides that each can 5 is at least partially fixed circumferentially relative to the rotor 2 and / or the Füllelementträger 3, namely mechanically and / or by means of a on the Can bottom 5.1 acting negative pressure.

In dem erfindungsgemäßen Ausführungsbeispiel gemäß den Figuren 1-3 erfolgt die Fixierung der Dose 5 mechanisch mittels einer Klemmung der Dose 5 zwischen einer fest am Rotor 2 angeordneten Aufnahme 6 und einem beweglichen Klemmelement 7.In the embodiment according to the invention according to the Figures 1-3 the fixing of the can 5 takes place mechanically by means of a clamping of the can 5 between a receptacle 6 fixedly arranged on the rotor 2 and a movable clamping element 7.

Im gezeigten Ausführungsbeispiel gemäß den Figuren 1 - 3 ist die Aufnahme 6 aus einer Aufnahmehalterung 6.4, die von dem die Dosenaufnahmen 2.1 bildenden Teil des Rotor 2 in Richtung des Füllelementträgers 3 absteht, und einem ersten und einem zweiten an der Aufnahmehalterung 6.4 angeordneten Aufnahmeelement 6.1, 6.2 gebildet. Die Aufnahmeelemente 6.1, 6.2 sind hierbei vorzugsweise zueinander in Richtung der Maschinenachse MA beabstandet angeordnet, so dass sich entlang der Hochachse der Dose 5 ortsverteilte Anlageflächen durch die Aufnahme 6 ausbilden.In the illustrated embodiment according to the Figures 1 - 3 is the receptacle 6 from a receiving holder 6.4, which projects from the can shots 2.1 forming part of the rotor 2 in the direction of Füllelementträgers 3, and a first and a second arranged on the receiving holder 6.4 receiving element 6.1, 6.2. The receiving elements 6.1, 6.2 are in this case preferably arranged at a distance from one another in the direction of the machine axis MA, so that along the vertical axis of the can 5 station-shaped contact surfaces are formed by the receptacle 6.

Besonders bevorzugt weist das erste und zweite Aufnahmeelement 6.1, 6.2 kreisbogenförmige Ausnehmungen 6.3 auf, deren Kreisbogenradius an den Radius der aufzunehmenden Dose 5 angepasst ist, so dass sich dadurch eine zumindest abschnittsweise umfangsseitige Anlagefläche für die Dose 2 bildet. Die kreisbogenförmigen Ausnehmungen 6.3 sind hierbei bezogen auf die Maschinenachse MA radial nach außen hin geöffnet, so dass die Dosen 5 an der Dosenaufgabe bezogen auf die Maschinenachse MA radial nach innen auf den Rotor 2 aufgestellt und in Pfeilrichtung BS radial nach innen auf die Dosenaufnahmestellen 2.1 aufgeschoben werden können, so dass in der Endposition die Dose umfangsseitig abschnittsweise gegen das erste und zweite Aufnahmeelement 6.1, 6.2 anliegt.Particularly preferably, the first and second receiving element 6.1, 6.2 circular recesses 6.3, whose arc radius is adapted to the radius of the male box 5, so that thereby forms an at least partially circumferential contact surface for the can 2. The circular-arc-shaped recesses 6.3 are in this case radially outwardly open with respect to the machine axis MA, so that the cans 5 placed on the can task with respect to the machine axis MA radially inwardly on the rotor 2 and pushed in the direction of arrow BS radially inwardly on the can receiving points 2.1 can be, so that in the end position, the box circumferentially partially abuts against the first and second receiving element 6.1, 6.2.

Vorzugsweise können im Rotor 2 an den jeweiligen Dosenboden 5.1 angepasste Aussparungen 2.2 vorgesehen sein, die eine zusätzliche seitliche Führung und Zentrierung der Dose 5 beim Einschieben an der Dosenaufgabe bewirken.Preferably, in the rotor 2 adapted to the respective bottom of the can 5.1 recesses 2.2 may be provided which cause additional lateral guidance and centering of the can 5 when inserted into the can task.

Als Aufnahmen 6 können, wie im gezeigten Ausführungsbeispiel dargestellt, kreisringförmige oder kreisringabschnittsförmig ausgebildete Aufnahmeelemente 6.1, 6.2 vorgesehen sein, die eine Vielzahl von außen umfangsseitig angeordneten kreisbogenförmigen Ausnehmungen 6.3 aufweisen. Alternativ können auch einzelne Aufnahmen 6 vorgesehen sein, wobei jeweils eine derartige Einzelaufnahme einer Dosenaufnahme 2.1 bzw. einem Füllelement 4 zugeordnet ist.As receptacles 6, as shown in the embodiment shown, annular or circular ring-shaped receiving elements 6.1, 6.2 may be provided which arranged a variety of the outside circumferentially have circular arcuate recesses 6.3. Alternatively, individual receptacles 6 may be provided, wherein in each case such a single receptacle of a can receptacle 2.1 or a filling element 4 is assigned.

Um insbesondere bei Drehung des Rotors 2 und des Füllelementträgers 3 mit großen Winkelgeschwindigkeiten ein radial nach außen gerichtetes Herausbewegen der Dosen 5 aus den kreisbogenförmig ausgebildeten Aufnahmen 6 zu verhindern, ist im gezeigten Ausführungsbeispiel jedem Füllelement 4 ein Klemmelement 7 zugeordnet, das bezogen auf die Maschinenachse MA radial außen liegend an dem Gehäuse des Füllelements 4 befestigt ist. Dieses Klemmelement 7 ist hubzylinderartig ausgebildet und weist eine in einer Zylinderbuchse geführte Hubstange 7.1 mit einem freiendseitig vorgesehenen Hubstangenende 7.2 auf, das zumindest an der der Dose 5 zugewandten Seite gegenüber der Hubstange 7.1 radial vorsteht und mit diesem Hubstangenende 7.2 vorzugsweise an der der Aufnahme 6 diametral gegenüberliegenden Seite zur abschnittsweisen Anlage gegen die Umfangsseite der Dose 5 kommt, und zwar außerhalb der Dosenöffnung 5.2. Die Hubstange 7.1 ist hierbei zumindest in eine eingefahrene Position (Fig. 2) und einer ausgefahrenen Position (Fig. 1, Fig. 3) positionierbar, wobei im eingefahrenen Zustand der Hubstange 7.1 ein Einführen bzw. Entnehmen der Dose aus der Dosenaufnahmestelle 2.1 möglich ist und im ausgefahrenen Zustand der Hubstange 7.1 die Dose zwischen dem Hubstangenende 7.2 und der Aufnahme 6 geklemmt oder im Wesentlichen geklemmt zumindest aber berührungsfrei verriegelt wird. Die Achse der Hubstange ist gegenüber der Dosenachse radial versetzt, und zwar bezogen auf die Maschinenachse MA radial nach außen.In order to prevent a radially outwardly directed outward movement of the cans 5 from the circular arc-shaped receptacles 6, in particular in rotation of the rotor 2 and the Füllelementträgers 3 with large angular velocities, in the embodiment shown each filling element 4 is assigned a clamping element 7, based on the machine axis MA is fixed radially on the outside of the housing of the filling element 4. This clamping element 7 is designed like a lifting cylinder and has a guided in a cylinder sleeve lifting rod 7.1 with a freiendseitig provided Hubstangenende 7.2, which projects radially at least on the side facing the can 5 against the lifting rod 7.1 and with this Hubstangenende 7.2 preferably at the receiving 6 diametrically opposite side to the abutment against the peripheral side of the can 5 comes, outside the can opening 5.2. The lifting rod 7.1 is in this case at least in a retracted position ( Fig. 2 ) and an extended position ( Fig. 1 . Fig. 3 Positionable, in the retracted state of the lifting rod 7.1 insertion or removal of the can from the can receiving position 2.1 is possible and clamped in the extended state of the lifting rod 7.1, the can between the Hubstangenende 7.2 and the receptacle 6 or substantially clamped at least but is locked without contact , The axis of the lifting rod is offset radially relative to the can axis, and relative to the machine axis MA radially outward.

Im Betrieb der erfindungsgemäßen Füllvorrichtung 1 wird an der Dosenaufgabe jeder einzelnen Dosenaufnahme 2.1 eine Dose 5 durch ein bezogen auf die Maschinenachse MA radial nach innen gerichtetes Einschieben zugeführt. Hierbei ist die Hubstange 7.1 des Klemmelements 7 in das Hubzylinderelement soweit eingeschoben, dass das Einschieben der Dose 5 durch das freiendseitige Hubstangenende 7.2 nicht behindert wird. Anschließend wird die Dose 5 durch Ausschieben der Hubstange 7.1 zwischen der Aufnahme 6 und dem Hubstangenende 7.2 wie oben beschrieben gehalten. Hierbei erfolgt das gesteuerte Füllen der Dose 5 mittels des darüber befindlichen Füllelements 4. Während des Füllens wird die Dose 5 durch den umlaufend angetriebenen Rotor 2 von der Dosenaufgabe zur Dosenabgabe bewegt. Bei Erreichen der Dosenabgabe wird die Dose zum anschließenden Entnehmen aus der Dosenaufnahmestelle 2.1 durch das Einschieben der Hubstange 7.1 freigegeben.During operation of the filling device 1 according to the invention, a can 5 is supplied to the can task of each individual can receptacle 2.1 by means of a feed directed radially inward relative to the machine axis MA. Here, the lifting rod 7.1 of the clamping element 7 is pushed into the lifting cylinder element so far that the insertion of the can 5 is not hindered by the freiendseitige Hubstangenende 7.2. Subsequently, the can 5 by pushing out the lifting rod 7.1 between the receptacle 6 and the Hub rod end 7.2 held as described above. In this case, the controlled filling of the can 5 takes place by means of the overlying filling element 4. During filling, the can 5 is moved by the rotatably driven rotor 2 from the can task to the can delivery. Upon reaching the can delivery, the can for subsequent removal from the can receiving point 2.1 is released by the insertion of the lifting rod 7.1.

Ebenfalls kann die Fixierung der Dose 5 mechanisch mittels zweier zueinander zangenartig beweglicher Klemmelemente erfolgen, die am Rotor 2 oder am Füllelementträger 3 vorgesehen sind.Also, the fixation of the can 5 can be done mechanically by means of two mutually pliers-like movable clamping elements, which are provided on the rotor 2 or the Füllelementträger 3.

In Fig. 4 ist eine weitere Möglichkeit zur Fixierung der Dose 5 gegenüber dem Rotor 2 gezeigt, die zusätzlich zu der zuvor genannten klemmenden Befestigung der Dose 5 am Rotor 2 vorgesehen werden kann. Hierzu ist im Bereich der Dosenaufnahme 2.1 zumindest eine Öffnung 8 vorgesehen, die mit einem im Rotor 2 vorgesehenen Kanal 9 in Verbindung steht. Dieser Kanal 9 kann mit zumindest einem Unterdruck erzeugenden Aggregat verbunden sein, so dass über die Öffnung 8 ein Unterdruck auf den Dosenboden 5.1 erzeugt wird und ein Ansaugen der Dose 5 auf den Rotor 2 erfolgt.In Fig. 4 a further possibility for fixing the can 5 relative to the rotor 2 is shown, which can be provided on the rotor 2 in addition to the above-mentioned clamping attachment of the can 5. For this purpose, at least one opening 8 is provided in the area of the can receptacle 2.1, which is in communication with a channel 9 provided in the rotor 2. This channel 9 may be connected to at least one negative pressure generating unit, so that via the opening 8, a negative pressure is generated on the bottom of the can 5.1 and a suction of the can 5 takes place on the rotor 2.

Alternativ kann, wie in Fig. 5 gezeigt, über den Kanal 9 unter Druck stehende Luft in Richtung der Öffnungen 8 zugeführt werden, wobei, wie durch die Pfeile angedeutet, durch den seitlich unterhalb des Dosenbodens 5.1 entweichenden Druckluftstrom ein Unterdruck auf den Dosenboden 5.1 vergleichbar einer Fluidstrahlpumpe erzeugt wird.Alternatively, as in Fig. 5 shown, are supplied via the channel 9 under pressure air in the direction of the openings 8, wherein, as indicated by the arrows, by the laterally below the can bottom 5.1 escaping compressed air flow, a negative pressure on the can bottom 5.1 is made comparable to a fluid jet pump.

Weiterhin kann, wie in Fig. 6 gezeigt, ein Kanal 9 innerhalb des Rotors 2 vorgesehen sein, der beispielsweise eine der Dosenaufnahme 2.1 gegenüberliegende Kanalaustrittsöffnung 9.1 aufweist, über die in dem Kanal 9 geführte Druckluft nach außen entweichen kann. In den Rotor 2 ist ein weiterer Kanalabschnitt 9.2 eingebracht, der quer insbesondere rechtwinklig bezogen auf den Kanal 9 verläuft und mit einem Kanalabschnittsende in den Kanal 9 mündet.Furthermore, as in Fig. 6 shown, a channel 9 may be provided within the rotor 2, which has, for example, one of the can receptacle 2.1 opposite channel outlet opening 9.1, via the guided in the channel 9 compressed air can escape to the outside. In the rotor 2, a further channel section 9.2 is introduced, which extends transversely in particular at right angles to the channel 9 and opens with a Kanalabschnittsende in the channel 9.

Das weitere Kanalabschnittsende des Kanalabschnitts 9.2 bildet die Öffnung 8 aus, die im Bereich der Dosenaufnahmestelle 2.1 vorgesehen ist. Durch das Durchströmen des Kanals 9 mit Druckluft wird eine Sogwirkung wie bei einer Fluidstrahlpumpe erzeugt, wobei mittels des Sogs der Dosenboden 5.1 gegenüber dem Rotor 2 fixiert gehalten wird.The further channel section end of the channel section 9.2 forms the opening 8, which is provided in the region of the can receiving point 2.1. By the passage of the channel 9 with compressed air, a suction effect is generated as in a fluid jet pump, being held fixed by means of the suction of the can bottom 5.1 relative to the rotor 2.

Die Erfindung wurde voranstehend an Ausführungsbeispielen beschrieben. Es versteht sich, dass zahlreiche Änderungen sowie Abwandlungen möglich sind, ohne das dadurch der durch die nachfolgenden Ausprüche definierte Umfang der Erfindung verlassen wird.The invention has been described above by means of exemplary embodiments. It is understood that numerous changes and modifications are possible without thereby departing from the scope of the invention as defined by the following statements.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Füllvorrichtungfilling
22
Rotorrotor
2.12.1
Dosenaufnahme oder DosenaufnahmepositionCan receptacle or receptacle position
2.22.2
Aussparungrecess
33
FüllelementträgerFüllelementträger
3.13.1
Ringkesselring bowl
44
Füllelementfiller
4.14.1
FüllelementauslassFüllelementauslass
55
Dosecan
5.15.1
Dosenbodencan bottom
5.25.2
Dosenöffnungcan opening
66
Aufnahmeadmission
6.16.1
erstes Aufnahmeelementfirst receiving element
6.26.2
zweites Aufnahmeelementsecond receiving element
6.36.3
Ausnehmungrecess
6.46.4
Aufnahmehalterungreceiving holder
77
Klemmelementclamping element
7.17.1
Hubstangelifting rod
7.27.2
HubstangenendeHubstangenende
88th
Öffnungopening
99
Kanalchannel
9.19.1
KanalaustrittsöffnungChannel outlet opening
9.29.2
Kanalabschnittchannel section
MAMA
Maschinenachsemachine axis
HAHA
Hubachselifting axis

Claims (7)

  1. Device for filling cans or similar containers with a liquid product, for example, with a liquid product free of carbonic acid, with a rotor (2) capable of rotation about a vertical machine axis (MA) with a plurality of can mounts (2.1) and a plurality of filling elements (4) above the can mounts (2.1), wherein the can mounts (2.1) and the filling elements (4) in each case form filling positions, and the cans (5) are moved with the rotor (2) during filling, from a can issuing point to a can delivery point, wherein, for pressureless filling or for free-jet filling or for free-jet hot filling of the cans (5), the filling positions comprise means with which the cans (5), with the can opening (5.2) freely exposed, are fixed, for at least part of the time, on the circumferential side opposite the rotor (2) and/or a filling element carrier (3), specifically in a mechanical manner by means of a movable clamping element (7) and preferably by means of an underpressure taking effect on the can base (5.1), wherein the fixing of the cans (6) takes place in each case by means of the interaction of a mount (6) arranged secured to the rotor (2) with the moving clamp element (7), characterised in that the clamp element (7) can be displaced in the manner of a lifting cylinder along a lifting axis (HA), and the lifting axis (HA) runs parallel to the machine axis (MA), wherein the clamping element is preferably at least indirectly connected to the filling element carrier (3).
  2. Device according to claim 1, characterised in that the mount (6) is formed by at least two mount elements (6.1, 6.2), spaced apart from one another in the direction of the machine axis (MA) and/or comprise at least one arc-shaped mount (6.3) adapted to the diameter of the can.
  3. Device according to claim 1 or 2, characterised in that the mount (6) is formed by at least one arc-shaped or annular section-shaped mount element (6.1, 6.2) with a plurality of arc-shaped mounts (6.3) arranged on the outer circumference side.
  4. Device according to any one of the preceding claims, characterised in that the fixing of the can (5) takes place by means of two clamp elements which can be moved towards one another in the form of tongs.
  5. Device according to claim 4, characterised in that the clamp elements are arranged at the rotor (2) or at the filling element carrier (3).
  6. Device according to any one of the preceding claims, characterised in that the rotor (2) comprises, in the region of the can mounts (2.1), in each case at least one opening (8), which is connected to at least one device creating underpressure, e.g. via at least one channel (9) provided in the rotor.
  7. Device according to claim 1, characterised in that at least one opening (8) is provided in each case in the rotor (2) in the region of the can mounts (2.1), said opening being connected to a channel (9) through which a fluid flows, e.g. compressed air, and that, by means of the underpressure produced at the opening (8) the fixing of the can (6) at the rotor (2) is attained.
EP12730157.0A 2011-08-26 2012-06-28 Filling device Active EP2748105B1 (en)

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DE102011111321A DE102011111321A1 (en) 2011-08-26 2011-08-26 filling
PCT/EP2012/002708 WO2013029706A1 (en) 2011-08-26 2012-06-28 Filling device

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EP2748105B1 true EP2748105B1 (en) 2015-09-09

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DE (1) DE102011111321A1 (en)
PL (1) PL2748105T3 (en)
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US7055676B2 (en) * 2003-11-13 2006-06-06 Hartness International, Inc. Conveyor with movable gripper and related conveyor link
DE102006017706A1 (en) * 2006-04-15 2007-10-25 Khs Ag Filling elements and filling machine with a filling element
WO2008028185A2 (en) * 2006-09-01 2008-03-06 Meckl Michael F Vacuum turntable system for leak testing melt blown bottles
DE102007024106B4 (en) * 2007-05-22 2009-12-03 Khs Ag filling system
DE102008011109A1 (en) * 2008-02-26 2009-09-03 Khs Ag Filling element for filling containers with a liquid filling material, as well as filling machine
DE102008029208A1 (en) * 2008-06-19 2009-12-24 Krones Ag Freistrahlfüllsystem
JP5098870B2 (en) 2008-07-24 2012-12-12 澁谷工業株式会社 Container gripper
JP5196174B2 (en) * 2008-09-18 2013-05-15 キリンテクノシステム株式会社 Suction type table, and container transport device and container inspection device using the same
JP5401691B2 (en) * 2010-01-27 2014-01-29 キリンテクノシステム株式会社 Container transfer device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022118287A1 (en) 2022-07-21 2024-02-01 Krones Aktiengesellschaft Can filling device and method for filling cans

Also Published As

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US20140202592A1 (en) 2014-07-24
DE102011111321A1 (en) 2013-02-28
US10526182B2 (en) 2020-01-07
EP2748105A1 (en) 2014-07-02
WO2013029706A1 (en) 2013-03-07
PL2748105T3 (en) 2016-02-29

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