EP2879961A1 - Filling element and filling machine - Google Patents

Filling element and filling machine

Info

Publication number
EP2879961A1
EP2879961A1 EP13737541.6A EP13737541A EP2879961A1 EP 2879961 A1 EP2879961 A1 EP 2879961A1 EP 13737541 A EP13737541 A EP 13737541A EP 2879961 A1 EP2879961 A1 EP 2879961A1
Authority
EP
European Patent Office
Prior art keywords
filling
abdichttulpe
bellows
housing portion
element according
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
EP13737541.6A
Other languages
German (de)
French (fr)
Other versions
EP2879961B1 (en
Inventor
Dieter-Rudolf Krulitsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KHS GmbH
Original Assignee
KHS GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KHS GmbH filed Critical KHS GmbH
Priority to SI201330802T priority Critical patent/SI2879961T1/en
Publication of EP2879961A1 publication Critical patent/EP2879961A1/en
Application granted granted Critical
Publication of EP2879961B1 publication Critical patent/EP2879961B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/044—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles being combined with a filling device
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/04—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers having air-escape, or air-withdrawal, passages
    • 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
    • B67C3/06—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using counterpressure, i.e. filling while the container is under pressure
    • 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
    • B67C3/2614—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for counter-pressure filling
    • 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
    • B65B2210/08—Cleaning nozzles, funnels or guides through which articles are introduced into containers or wrappers
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • 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 filling element for filling systems or filling machines for filling cans or similar containers according to the preamble of claim 1 and to a filling machine according to the preamble of claim 8.
  • Filling machines for filling, especially for pressure filling of containers in the form of cans with a liquid filling material are known in various designs.
  • a liquid filling material for example, beer, soft drinks, etc.
  • the sealing layer between the respective arranged below a filling element on or on a container carrier container and the filling element by lowering a Abdichttulpe on the container, which then with a seal sealed against the opening edge of the container in question and thereby a ua creates the container opening and the discharge opening of the filling element enclosing, sealed to the outside space.
  • the sealing tulip formed by an annular body is displaceably arranged on a housing section of the filling element housing in the direction of a filling element axis, namely between a raised position and the lowered position.
  • at least one the Golfelementachse concentrically enclosing sliding seal is provided between the annular body of Abdichttulpe and the outer surface of the housing portion. This must be constantly lubricated with water during operation of the filling machine to keep the wear, in particular the sliding seal low. However, it can not be avoided that the water required for lubrication also gets into the containers by dripping, which is increasingly viewed critically by customers or consumers.
  • the object of the invention is to show a filling element which the sliding seal between the Abdichttulpe and the Greelementgetude and the avoids disadvantages associated with this seal.
  • a filling element according to the patent claim 1 is formed.
  • a filling machine is the subject of claim 8.
  • the lifting movement of the sealing tulip preferably also designed or acting as centering in the Artelementachse between the raised starting position and the lowered working position, for example, via a plunger, for example cam controlled, the contact pressure with which the Abdichttulpe during filling abuts against the opening edge of the container, at least partially generated by the biasing and / or filling pressure, possibly supported by a force exerted on the plunger contact pressure.
  • the contact pressure generated by the biasing and filling pressure is essentially determined by the effective diameter of the bellows, taking into account the effective, i. determined by the Abdichttulpe opening cross-section of the container and can be adjusted by appropriate choice of the effective diameter of the bellows. Also by changing the biasing and / or filling pressure, the component of the contact force resulting from this pressure can be adjusted and / or regulated and adapted to the respective container, in particular also to its strength.
  • a preferred embodiment of the invention opens into the annular gap formed between the bellows and the Abdichttulpe and enclosed by these elements housing portion of the Greelementgeophuses, at least one channel in a CIP cleaning and / or sterilization of the filling system for supplying or Discharging an example liquid cleaning and / or sterilization medium in the annular gap or from this annular gap is used.
  • the channel opens preferably at an upper end of the annular gap in this annular gap, preferably in the region of the local attachment of the bellows.
  • the at least one channel opens obliquely into the annular gap, in such a way that the emerging from the channel cleaning and / or disinfecting medium flows through the annular gap from top to bottom in a helical flow, which then due to their high flow velocity and its helical course all Inner surfaces of the bellows and in particular also the Surfaces within the folds of the bellows are optimally cleaned and / or disinfected.
  • the filling element according to the invention is designed in particular for pressure filling of cans or the like containers and in this case also especially for pressure filling with high performance.
  • pressure filling is generally to be understood as meaning a filling process in which the container to be filled bears in a sealing position against the filling element and, as a rule, before the actual filling phase, ie before the liquid valve is opened via at least one controlled element in the filling element trained gas path with a pressurized gas clamping gas (inert gas or C02 gas) is biased, which is then displaced during filling of the inflowing the container contents increasingly as return gas from the container interior, and also via at least one controlled, formed in the filling element
  • This pretension phase may be preceded by further treatment phases, for example evacuation and / or flushing of the container interior with an inert gas, eg CO 2 gas, etc., also via the gas paths formed in the filling element.
  • container in sealing position with the filling element means that the container to be filled in each case is pressed against its container mouth and bears tightly against the filling element or sealing lip there Deviations from the respective exact value by +/- 10%, preferably by +/- 5% and / or deviations in the form of insignificant changes for the function.
  • the filling position 1 includes i.a.
  • a filling element 3 which is arranged together with a plurality of similar filling elements on the circumference of a rotor 4 driven circumferentially about a vertical machine axis.
  • a base 5 is formed on the rotor 4, on which the container to be filled 2 with its bottom stand up.
  • Each filling element 3 comprises a Golfelementgephinuse 6, in which, inter alia, a liquid channel 7 is formed for the contents, which is connected at its upper, not shown in the figure area with a common for all filling elements 3, provided on the rotor 4 and the contents standing by boiler and at the lower end forms an annular discharge opening 8 for the contents.
  • a liquid valve 9 is provided in the flow direction of the filling material in front of the discharge opening 8, which consists essentially of a cooperating with a valve seat in the liquid channel 7 valve body 10 which is formed in the region of a lower end of a serving as a valve stem gas pipe 1 1.
  • the valve body 10 With the gas pipe 11, which with its axis in a parallel to Machine axis MA oriented Gearelementachse FA is arranged and in which an open at the bottom of the filling element 3 gas channel 12 is formed, the valve body 10 is raised from its closed position shown in the figure by an actuator, not shown, for opening the liquid valve 9 and closing the liquid valve 9 lowered again.
  • the Golfelementgepuruse 6 forms at its lower portion a tubular housing portion 6.1 with a reduced diameter.
  • a Abdichttulpe 13 in the direction of the Artelementachse FA is movably provided (double arrow A).
  • the Abdichttulpe 13 is formed as a housing section enclosing the 6.1 round body 13.1, the front end with a larger outer diameter with an inner, the Golfelementachse FA concentrically enclosing ring seal 14 and with an outer, the ring seal 14 and the Greelementachse FA concentrically enclosing lip seal at a lower ring body portion 13.1 15 is provided.
  • a housing section 6.1 above the Abdichttulpe 13 enclosing bellows 16 is provided with its upper, the discharge opening 8 further away edge with the Artelementgephaseuse 6 and with his lower, the discharge opening 8 closer edge with the seals 14 and 15 facing away from the top of Abdichttulpe 13 is connected.
  • the bellows 16 is made of a suitable elastic and / or flexible material, such as Teflon. As FIG. 1 also shows, both the sealing tulip 13 and the bellows 16 enclose the housing section 6.1 at a distance, forming an annular gap 19.
  • annular gap 19 In the upper region of the annular gap 19 formed between the bellows 16 and the outer surface of the housing section 6.1 opens a channel 18, which serves, for example, in a CIP cleaning of the filling machine and the filling elements 3, a liquid cleaning and / or sterilization medium in the annular gap 19 zuzu discussing, which then this annular gap 19 also for the cleaning and / or sterilization of the inner surfaces of the bellows 16 over the entire axial Length flows through.
  • the channel 18 is formed so that it opens obliquely, ie at an angle ā‡ smaller than 90 Ā° with respect to a plane E perpendicular to Greelementachse FA in the annular gap 19 so that the CIP cleaning and / or disinfecting medium when flowing out of the channel 18th has a velocity vector in the circumferential direction of the outer surface of the housing section 6.1 or about the Greelementachse FA and due to this velocity vector, the annular gap 19 flows through helically from top to bottom.
  • the channel 18 can also serve, for example, for rinsing and / or pretensioning a container already in sealing position at the filling position.
  • a housing section 6.3 which has an enlarged compared to the housing section 6.1 outer diameter.
  • the discharge opening 8 furthest away end of the bellows 16 of this is there for example, with an annular Faltenbalgabrough 16.1 made in one piece.
  • the bellows section 16.1 is received in an annular recess 20 formed concentrically around the filling element axis FA at the step 6.2 and fastened there by clamping ring 21 concentrically enclosing the filling element axis FA.
  • annular Faltenbalgabrough 16.2 which extends into the annular body 13.1 and there in a recess on the inner surface of the annular body 3.1 is connected thereto in a suitable manner, for example by gluing Clamping, clamping, vulcanizing, screwing, etc., in such a way that the inner surface of the Faltenbalgabitess 16.2 is flush or substantially flush with the subsequent inner surface of the annular body 13.1.
  • the sealing tulip 13 in the filling element axis FA is first lowered onto the container 2, so that the annular seal 14 bears in a sealed manner against the container or opening edge 2.1 surrounding the container opening.
  • the also provided lip seal 15 is used for example in the case of a CIP cleaning to seal a then required flushing cap.
  • the respective container 2 located in sealing position on the filling element 3 is prestressed, for example, via the gas channel 12 with a pressurized inert gas, for example pressurized C02 gas.
  • a pressurized inert gas for example pressurized C02 gas.
  • biasing and / or filling pressure which acts on the inner annular surfaces of the Abdichttulpe 13 and the bellows 16, results for the Abdichttulpe 13 a contact pressure, which may also act in addition to a force exerted on the plunger 17 contact force and with the Abdichttulpe 13 and the ring seal 14 is pressed against the opening edge 2.1.
  • the biasing and / or filling pressure can thus be the contact pressure with which the Abdichttulpe 13 and whose annular seal 14 abuts against the opening edge 2.1, are set.
  • the effective diameter of the bellows 16, which is decisive for the resultant of the biasing and / or filling pressure contact force is dependent because of the small inner Faltenbalg malmesser di and the larger outer Faltenbalg malmesser and corresponds to the square root of (di 2 + da 2) / 2 ).
  • the filling element 3 Due to the formation of the filling element 3 with the bellows 16, the previously common sliding of the Abdichttulpe 13 on the housing section 6.1 is avoided with a sliding seal and the resulting disadvantages.
  • the effective diameter of the bellows 16 by appropriate choice of the inner and outer Faltenbalg malmessers di or to adjust so that this effective diameter corresponds to the sliding diameter of the sliding seal of conventional filling elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Abstract

The invention relates to a filling element of a filling system or of a filling machine for filling cans or similar containers (2) with liquid contents, comprising a filling element housing (6) which has at least one dispensing opening (8) on a housing portion (6.1) for dispensing the contents into the respective container in a controlled manner, comprising a sealing tulip (13) which can be moved relative to the housing portion (6.1) in a filling element axis (FA) between a raised position and a lowered position so as to seal against an opening edge (2.1) of the container (2), and comprising sealing means (16) for sealing the transition between the sealing tulip (13) and the filling element housing (6).

Description

FĆ¼llelement sowie FĆ¼llmaschine Ā Filling element and filling machine
Die Erfindung bezieht sich auf ein FĆ¼llelement fĆ¼r FĆ¼llsysteme oder FĆ¼llmaschinen zum FĆ¼llen von Dosen oder dergleichen BehƤltern gemƤƟ Oberbegriff Patentanspruch 1 sowie auf eine FĆ¼llmaschine gemƤƟ Oberbegriff Patentanspruch 8. The invention relates to a filling element for filling systems or filling machines for filling cans or similar containers according to the preamble of claim 1 and to a filling machine according to the preamble of claim 8.
FĆ¼llmaschinen zum FĆ¼llen, insbesondere auch zum DruckfĆ¼llen von BehƤltern in Form von Dosen mit einem flĆ¼ssigen FĆ¼llgut (beispielsweise Bier, Softdrinks usw.) sind in verschiedenen AusfĆ¼hrungen bekannt. Speziell bei FĆ¼llmaschinen hoher Leistung (Anzahl der gefĆ¼llten BehƤlter je Zeiteinheit) ist es Ć¼blich, dass die Dichtlage zwischen dem jeweiligen unterhalb eines FĆ¼llelementes auf oder an einem BehƤltertrƤger angeordneten BehƤlter und dem FĆ¼llelement durch Absenken einer Abdichttulpe auf den BehƤlter erfolgt, die dann mit einer Dichtung gegen den Ɩffnungsrand des betreffenden BehƤlters abgedichtet anliegt und dadurch einen u.a. die BehƤlterƶffnung und die Abgabeƶffnung des FĆ¼llelementes einschlieƟenden, nach auƟen hin abgedichteten Raum schafft. Die von einem Ringkƶrper gebildete Abdichttulpe ist dabei auf einem GehƤuseabschnitt des FĆ¼llelementgehƤuses in Richtung einer FĆ¼llelementachse verschiebbar angeordnet, und zwar zwischen einer angehobenen Position und der abgesenkten Position. Um den Ɯbergang zwischen dem Ringkƶrper und dem FĆ¼llelementgehƤuse abzudichten, ist zwischen dem Ringkƶrper der Abdichttulpe und der AuƟenflƤche des GehƤuseabschnittes wenigstens eine die FĆ¼llelementachse konzentrisch umschlieƟende Schiebedichtung vorgesehen. Diese muss wƤhrend des Betriebes der FĆ¼llmaschine stƤndig mit Wasser geschmiert werden, um den VerschleiƟ insbesondere der Schiebedichtung gering zu halten. Es lƤsst sich dabei aber nicht vermeiden, dass das zur Schmierung notwendige Wasser durch Abtropfen auch in die BehƤlter gelangt, was von Kunden bzw. Verbrauchern zunehmend kritisch gesehen wird. Weiterhin lƤsst sich auch nicht vermeiden, dass bei einem aseptischen, insbesondere auch kaltaseptischen AbfĆ¼llen eines FĆ¼llgutes in Dosen oder dergleichen BehƤlter Ć¼ber die Schiebedichtung Schmutzpartikel, Keime usw. in die BehƤlter oder in einen diese BehƤlter beim FĆ¼llen aufnehmenden Reinraum oder aseptischen Bereich einer FĆ¼llmaschine gelangen. Filling machines for filling, especially for pressure filling of containers in the form of cans with a liquid filling material (for example, beer, soft drinks, etc.) are known in various designs. Especially in filling machines of high performance (number of filled containers per unit time), it is common that the sealing layer between the respective arranged below a filling element on or on a container carrier container and the filling element by lowering a Abdichttulpe on the container, which then with a seal sealed against the opening edge of the container in question and thereby a ua creates the container opening and the discharge opening of the filling element enclosing, sealed to the outside space. The sealing tulip formed by an annular body is displaceably arranged on a housing section of the filling element housing in the direction of a filling element axis, namely between a raised position and the lowered position. In order to seal the transition between the annular body and the FĆ¼llelementgehƤuse, at least one the FĆ¼llelementachse concentrically enclosing sliding seal is provided between the annular body of Abdichttulpe and the outer surface of the housing portion. This must be constantly lubricated with water during operation of the filling machine to keep the wear, in particular the sliding seal low. However, it can not be avoided that the water required for lubrication also gets into the containers by dripping, which is increasingly viewed critically by customers or consumers. Furthermore, it is also unavoidable that in an aseptic, in particular cold aseptic filling of a filling in cans or the like containers via the sliding seal dirt particles, germs, etc. enter the container or in a container receiving this filling during filling clean room or aseptic area of a filling machine.
Aufgabe der Erfindung ist es, ein FĆ¼llelement aufzuzeigen, welches die Schiebedichtung zwischen der Abdichttulpe und dem FĆ¼llelementgehƤuse sowie die mit dieser Dichtung verbundenen Nachteile vermeidet. Zur Lƶsung dieser Aufgabe ist ein FĆ¼llelement entsprechend dem Patentanspruch 1 ausgebildet. Eine FĆ¼llmaschine ist Gegenstand des Patentanspruchs 8. Die Hubbewegung der vorzugsweise auch als Zentriertulpe ausgebildeten oder wirkenden Abdichttulpe in der FĆ¼llelementachse zwischen der angehobenen Ausgangsposition und der abgesenkten Arbeitsposition erfolgt beispielsweise Ć¼ber einen StĆ¶ĆŸel, z.B. kurvengesteuert, wobei der Anpressdruck, mit dem die Abdichttulpe wƤhrend des FĆ¼llens gegen den Ɩffnungsrand des BehƤlters anliegt, zumindest teilweise durch den Vorspann- und/oder FĆ¼lldruck erzeugt wird, eventuell unterstĆ¼tzt durch eine Ć¼ber den StĆ¶ĆŸel ausgeĆ¼bte Anpresskraft. The object of the invention is to show a filling element which the sliding seal between the Abdichttulpe and the FĆ¼llelementgehƤuse and the avoids disadvantages associated with this seal. To solve this problem, a filling element according to the patent claim 1 is formed. A filling machine is the subject of claim 8. The lifting movement of the sealing tulip preferably also designed or acting as centering in the FĆ¼llelementachse between the raised starting position and the lowered working position, for example, via a plunger, for example cam controlled, the contact pressure with which the Abdichttulpe during filling abuts against the opening edge of the container, at least partially generated by the biasing and / or filling pressure, possibly supported by a force exerted on the plunger contact pressure.
Die durch den Vorspann- und FĆ¼lldruck erzeugte Anpresskraft ist dabei im Wesentlichen durch den Wirkdurchmesser des Faltenbalgs unter BerĆ¼cksichtigung des wirksamen, d.h. von der Abdichttulpe nicht abgedeckten Ɩffnungsquerschnittes des BehƤlters bestimmt und kann durch entsprechende Wahl des Wirkdurchmessers des Faltenbalgs eingestellt werden. Auch durch Ƅnderung des Vorspann- und/oder FĆ¼lldruckes kann die aus diesem Druck resultierende Komponente der Anpresskraft eingestellt und/oder geregelt und an den jeweiligen BehƤlter, insbesondere auch an dessen Festigkeit angepasst werden. The contact pressure generated by the biasing and filling pressure is essentially determined by the effective diameter of the bellows, taking into account the effective, i. determined by the Abdichttulpe opening cross-section of the container and can be adjusted by appropriate choice of the effective diameter of the bellows. Also by changing the biasing and / or filling pressure, the component of the contact force resulting from this pressure can be adjusted and / or regulated and adapted to the respective container, in particular also to its strength.
Bei einer bevorzugten AusfĆ¼hrungsform der Erfindung mĆ¼ndet in den Ringspalt, der zwischen dem Faltenbalg und der Abdichttulpe und dem von diesen Elementen umschlossenen GehƤuseabschnitt des FĆ¼llelementgehƤuses gebildet ist, wenigstens ein Kanal, der bei einer CIP-Reinigung und/oder -Sterilisation des FĆ¼llsystems zum ZufĆ¼hren oder AbfĆ¼hren eines beispielsweise flĆ¼ssigen Reinigungs- und/oder Sterilisationsmediums in den Ringspalt oder aus diesem Ringspalt dient. Der Kanal mĆ¼ndet dabei bevorzugt an einem oberen Ende des Ringspaltes in diesen Ringspalt, vorzugsweise im Bereich der dortigen Befestigung des Faltenbalgs. Bevorzugt mĆ¼ndet der wenigstens eine Kanal schrƤg in den Ringspalt, und zwar derart, dass das aus dem Kanal austretende Reinigungs- und/oder Desinfektionsmedium den Ringspalt von oben nach unten in einer wendeifƶrmigen Strƶmung durchstrƶmt, die dann aufgrund ihrer hohen Strƶmungsgeschwindigkeit und ihres wendeifƶrmigen Verlaufs sƤmtliche InnenflƤchen des Faltenbalgs und dabei insbesondere auch die FlƤchen innerhalb der Falten des Faltenbalgs in optimaler Weise gereinigt und/oder desinfiziert. In a preferred embodiment of the invention opens into the annular gap formed between the bellows and the Abdichttulpe and enclosed by these elements housing portion of the FĆ¼llelementgehƤuses, at least one channel in a CIP cleaning and / or sterilization of the filling system for supplying or Discharging an example liquid cleaning and / or sterilization medium in the annular gap or from this annular gap is used. The channel opens preferably at an upper end of the annular gap in this annular gap, preferably in the region of the local attachment of the bellows. Preferably, the at least one channel opens obliquely into the annular gap, in such a way that the emerging from the channel cleaning and / or disinfecting medium flows through the annular gap from top to bottom in a helical flow, which then due to their high flow velocity and its helical course all Inner surfaces of the bellows and in particular also the Surfaces within the folds of the bellows are optimally cleaned and / or disinfected.
Das erfindungsgemƤƟe FĆ¼llelement ist insbesondere fĆ¼r ein DruckfĆ¼llen von Dosen oder dergleichen BehƤlter und dabei speziell auch fĆ¼r ein DruckfĆ¼llen mit hoher Leistung konzipiert. The filling element according to the invention is designed in particular for pressure filling of cans or the like containers and in this case also especially for pressure filling with high performance.
Unter ā€žDruckfĆ¼llen" ist im Sinne der Erfindung allgemein ein FĆ¼llverfahren zu verstehen, bei dem der jeweils zu fĆ¼llende BehƤlter in Dichtlage gegen das FĆ¼llelement anliegt und in der Regel vor der eigentlichen FĆ¼llphase, d.h. vor dem ƶffnen des FlĆ¼ssigkeitsventils Ć¼ber wenigstens einen gesteuerten, im FĆ¼llelement ausgebildeten Gasweg mit einem unter Druck stehenden Spanngas (Inertgas bzw. C02-Gas) vorgespannt wird, welches dann wƤhrend des FĆ¼llens von dem dem BehƤlter zuflieƟenden FĆ¼llgut zunehmend als RĆ¼ckgas aus den BehƤlterinnenraum verdrƤngt wird, und zwar ebenfalls Ć¼ber wenigstens einen gesteuerten, im FĆ¼llelement ausgebildeten Gasweg. Dieser Vorspannphase kƶnnen weitere Behandlungsphasen vorausgehen, beispielsweise ein Evakuieren und/oder ein SpĆ¼len des BehƤlterinnenraums mit einem Inertgas, z.B. C02-Gas usw., und zwar ebenfalls Ć¼ber die im FĆ¼llelement ausgebildeten Gaswege. For the purposes of the invention, "pressure filling" is generally to be understood as meaning a filling process in which the container to be filled bears in a sealing position against the filling element and, as a rule, before the actual filling phase, ie before the liquid valve is opened via at least one controlled element in the filling element trained gas path with a pressurized gas clamping gas (inert gas or C02 gas) is biased, which is then displaced during filling of the inflowing the container contents increasingly as return gas from the container interior, and also via at least one controlled, formed in the filling element This pretension phase may be preceded by further treatment phases, for example evacuation and / or flushing of the container interior with an inert gas, eg CO 2 gas, etc., also via the gas paths formed in the filling element.
ā€žIn Dichtlage mit dem FĆ¼llelement befindlicher BehƤlter" bedeutet im Sinne der Erfindung, dass der jeweils zu fĆ¼llende BehƤlter mit seiner BehƤltermĆ¼ndung angepresst und dicht am FĆ¼llelement bzw. an der dortigen Abdichttulpe anliegt. Der Ausdruck ā€žim Wesentlichen" bzw. ā€žetwa" bedeutet im Sinne der Erfindung Abweichungen vom jeweils exakten Wert um +/- 10%, bevorzugt um +/- 5% und/oder Abweichungen in Form von fĆ¼r die Funktion unbedeutenden Ƅnderungen. For the purposes of the invention, "container in sealing position with the filling element" means that the container to be filled in each case is pressed against its container mouth and bears tightly against the filling element or sealing lip there Deviations from the respective exact value by +/- 10%, preferably by +/- 5% and / or deviations in the form of insignificant changes for the function.
Weiterbildungen, Vorteile und Anwendungsmƶglichkeiten der Erfindung ergeben sich auch aus der nachfolgenden Beschreibung von AusfĆ¼hrungsbeispielen und aus den Figuren. Dabei sind alle beschriebenen und/oder bildlich dargestellten Merkmale fĆ¼r sich oder in beliebiger Kombination grundsƤtzlich Gegenstand der Erfindung, unabhƤngig von ihrer Zusammenfassung in den AnsprĆ¼chen oder deren RĆ¼ckbeziehung. Auch wird der Inhalt der AnsprĆ¼che zu einem Bestandteil der Beschreibung gemacht. Further developments, advantages and applications of the invention will become apparent from the following description of exemplary embodiments and from the figures. In this case, all described and / or illustrated features alone or in any combination in principle subject of the invention, regardless of their summary in the claims or their Dependency. Also, the content of the claims is made an integral part of the description.
Die Erfindung wird im Folgenden anhand der Figuren an einem AusfĆ¼hrungsbeispiel nƤher erlƤutert. Es zeigen: The invention will be explained in more detail below with reference to the figures of an embodiment. Show it:
Fig. 1 in vereinfachter Darstellung und im Teilschnitt ein FĆ¼llelement gemƤƟ der Erfindung zusammen mit einem zu fĆ¼llenden BehƤlter; Fig. 2 in sehr vereinfachter schematischer Darstellung einen Schnitt durch ein FĆ¼llelementgehƤuse im Bereich eines Kanals oder einer Bohrung zum ZufĆ¼hren oder AbfĆ¼hren eines CIP-Reinigungs- und/oder Sterilisationsmediums. Dargestellt ist in der Figur 1 die FĆ¼llposition einer FĆ¼llmaschine zum DruckfĆ¼llen von BehƤltern 2 in Form von Dosen mit einem flĆ¼ssigen FĆ¼llgut, beispielsweise mit einem kohlesƤurehaltigen FĆ¼llgut, z.B. mit Bier oder mit Softdrink. Die FĆ¼llposition 1 umfasst u.a. ein FĆ¼llelement 3, welches zusammen mit einer Vielzahl gleichartiger FĆ¼llelemente am Umfang eines um eine vertikale Maschinenachse umlaufend angetriebenen Rotors 4 angeordnet ist. Unter den FĆ¼llelementen 3 ist am Rotor 4 eine StandflƤche 5 gebildet, auf der die zu fĆ¼llenden BehƤlter 2 mit ihrem Boden aufstehen. Fig. 1 in a simplified representation and in partial section a filling element according to the invention together with a container to be filled; 2 is a very simplified schematic representation of a section through a FĆ¼llelementgehƤuse in the region of a channel or a bore for supplying or discharging a CIP cleaning and / or sterilization medium. Shown in FIG. 1 is the filling position of a filling machine for pressure-filling containers 2 in the form of cans with a liquid filling material, for example with a carbonated filling material, e.g. with beer or with soft drink. The filling position 1 includes i.a. a filling element 3 which is arranged together with a plurality of similar filling elements on the circumference of a rotor 4 driven circumferentially about a vertical machine axis. Under the filling elements 3, a base 5 is formed on the rotor 4, on which the container to be filled 2 with its bottom stand up.
Jedes FĆ¼llelement 3 umfasst ein FĆ¼llelementgehƤuse 6, in welchem u.a. ein FlĆ¼ssigkeitskanal 7 fĆ¼r das FĆ¼llgut ausgebildet ist, der an seinem oberen, in der Figur nicht dargestellten Bereich mit einem fĆ¼r sƤmtliche FĆ¼llelemente 3 gemeinsamen, am Rotor 4 vorgesehenen und das FĆ¼llgut bereitstehenden Kessel verbunden ist und am unteren Ende eine ringfƶrmige Abgabeƶffnung 8 fĆ¼r das FĆ¼llgut bildet. Im FlĆ¼ssigkeitskanal 7 ist in Strƶmungsrichtung des FĆ¼llgutes vor der Abgabeƶffnung 8 ein FlĆ¼ssigkeitsventil 9 vorgesehen, welches im Wesentlichen aus einem mit einem Ventilsitz im FlĆ¼ssigkeitskanal 7 zusammenwirkenden Ventilkƶrper 10 besteht, der im Bereich eines unteren Endes eines als VentilstĆ¶ĆŸel dienenden Gasrohres 1 1 ausgebildet ist. Mit dem Gasrohr 11 , welches mit seiner Achse in einer parallel zur Maschinenachse MA orientierten FĆ¼llelementachse FA angeordnet ist und in dem ein an der Unterseite des FĆ¼llelementes 3 offener Gaskanal 12 gebildet ist, wird der Ventilkƶrper 10 aus seiner in der Figur dargestellten SchlieƟposition durch eine nicht dargestellte BetƤtigungseinrichtung zum ƶffnen des FlĆ¼ssigkeitsventils 9 angehoben und zum SchlieƟen des FlĆ¼ssigkeitsventils 9 wieder abgesenkt. Each filling element 3 comprises a FĆ¼llelementgehƤuse 6, in which, inter alia, a liquid channel 7 is formed for the contents, which is connected at its upper, not shown in the figure area with a common for all filling elements 3, provided on the rotor 4 and the contents standing by boiler and at the lower end forms an annular discharge opening 8 for the contents. In the liquid channel 7, a liquid valve 9 is provided in the flow direction of the filling material in front of the discharge opening 8, which consists essentially of a cooperating with a valve seat in the liquid channel 7 valve body 10 which is formed in the region of a lower end of a serving as a valve stem gas pipe 1 1. With the gas pipe 11, which with its axis in a parallel to Machine axis MA oriented FĆ¼llelementachse FA is arranged and in which an open at the bottom of the filling element 3 gas channel 12 is formed, the valve body 10 is raised from its closed position shown in the figure by an actuator, not shown, for opening the liquid valve 9 and closing the liquid valve 9 lowered again.
Das FĆ¼llelementgehƤuse 6 bildet an seinem unteren Bereich einen rohrartigen GehƤuseabschnitt 6.1 mit reduziertem Durchmesser. An diesem GehƤuseabschnitt, an dem auch die Abgabeƶffnung 8 sowie der Ventilsitz fĆ¼r das FlĆ¼ssigkeitsventil 9 vorgesehen sind, ist eine Abdichttulpe 13 in Richtung der FĆ¼llelementachse FA bewegbar vorgesehen (Doppelpfeil A). Die Abdichttulpe 13 ist als ein den GehƤuseabschnitt 6.1 umschlieƟender Ringkƶrper 13.1 ausgebildet, der an einem unteren Ringkƶrperabschnitt 13.1 stirnseitig mit vergrĆ¶ĆŸertem AuƟendurchmesser mit einer inneren, die FĆ¼llelementachse FA konzentrisch umschlieƟenden Ringdichtung 14 sowie mit einer ƤuƟeren, die Ringdichtung 14 sowie die FĆ¼llelementachse FA konzentrisch umschlieƟenden Lippendichtung 15 versehen ist. The FĆ¼llelementgehƤuse 6 forms at its lower portion a tubular housing portion 6.1 with a reduced diameter. At this housing portion, on which the discharge opening 8 and the valve seat for the liquid valve 9 are provided, a Abdichttulpe 13 in the direction of the FĆ¼llelementachse FA is movably provided (double arrow A). The Abdichttulpe 13 is formed as a housing section enclosing the 6.1 round body 13.1, the front end with a larger outer diameter with an inner, the FĆ¼llelementachse FA concentrically enclosing ring seal 14 and with an outer, the ring seal 14 and the FĆ¼llelementachse FA concentrically enclosing lip seal at a lower ring body portion 13.1 15 is provided.
Zur Abdichtung des Ɯbergangs zwischen der Abdichttulpe 13 bzw. dem Ringkƶrper 13.1 und dem FĆ¼llelementgehƤuse 6 ist ein den GehƤuseabschnitt 6.1 oberhalb der Abdichttulpe 13 umschlieƟender Faltbalg 16 vorgesehen, der mit seinem oberen, der Abgabeƶffnung 8 weiter entfernt liegenden Rand mit dem FĆ¼llelementgehƤuse 6 und mit seinem unteren, der Abgabeƶffnung 8 nƤher liegenden Rand mit der den Dichtungen 14 und 15 abgewandten Oberseite der Abdichttulpe 13 verbunden ist. Der Faltenbalg 16 ist aus einem geeigneten elastischen und/oder flexiblen Material gefertigt, beispielsweise aus Teflon. Wie die Figur 1 auch zeigt, umschlieƟen sowohl die Abdichttulpe 13 als auch der Faltenbalg 16 den GehƤuseabschnitt 6.1 mit Abstand unter Ausbildung eines Ringspalts 19. To seal the transition between the Abdichttulpe 13 and the annular body 13.1 and the FĆ¼llelementgehƤuse 6 a housing section 6.1 above the Abdichttulpe 13 enclosing bellows 16 is provided with its upper, the discharge opening 8 further away edge with the FĆ¼llelementgehƤuse 6 and with his lower, the discharge opening 8 closer edge with the seals 14 and 15 facing away from the top of Abdichttulpe 13 is connected. The bellows 16 is made of a suitable elastic and / or flexible material, such as Teflon. As FIG. 1 also shows, both the sealing tulip 13 and the bellows 16 enclose the housing section 6.1 at a distance, forming an annular gap 19.
In dem oberen Bereich des zwischen den Faltenbalg 16 und der AuƟenflƤche des GehƤuseabschnittes 6.1 gebildeten Ringspaltes 19 mĆ¼ndet ein Kanal 18, welcher beispielsweise dazu dient, bei einer CIP-Reinigung der FĆ¼llmaschine und deren FĆ¼llelemente 3 ein flĆ¼ssiges Reinigungs- und/oder Sterilisationsmedium in den Ringspalt 19 zuzuleiten, welches dann diesen Ringspalt 19 auch fĆ¼r die Reinigung und/oder Sterilisation der InnenflƤchen des Faltenbalgs 16 Ć¼ber die gesamte axiale LƤnge durchstrƶmt. Der Kanal 18 ist so ausgebildet, dass er schrƤg, d.h. in einem Winkel Ī± kleiner als 90Ā° gegenĆ¼ber einer Ebene E senkrecht zur FĆ¼llelementachse FA in den Ringspalt 19 mĆ¼ndet, sodass das CIP-Reinigungs- und/oder Desinfektionsmedium beim Ausstrƶmen aus dem Kanal 18 einen Geschwindigkeitsvektor in Umfangsrichtung der AuƟenflƤche des GehƤuseabschnittes 6.1 bzw. um die FĆ¼llelementachse FA aufweist und bedingt durch diesen Geschwindigkeitsvektor den Ringspalt 19 von oben nach unten wendelartig durchstrƶmt. Hierdurch werden unter BerĆ¼cksichtigung einer ausreichend hohen Strƶmungsgeschwindigkeit des CIP-Reinigungs- und/oder Desinfektionsmediums sowie des wendeifƶrmigen Verlaufs der Strƶmung sƤmtliche InnenflƤchen auch des Faltenbalgs 16 grĆ¼ndlich und optimal gereinigt sowie desinfiziert. In the upper region of the annular gap 19 formed between the bellows 16 and the outer surface of the housing section 6.1 opens a channel 18, which serves, for example, in a CIP cleaning of the filling machine and the filling elements 3, a liquid cleaning and / or sterilization medium in the annular gap 19 zuzuleiten, which then this annular gap 19 also for the cleaning and / or sterilization of the inner surfaces of the bellows 16 over the entire axial Length flows through. The channel 18 is formed so that it opens obliquely, ie at an angle Ī± smaller than 90 Ā° with respect to a plane E perpendicular to FĆ¼llelementachse FA in the annular gap 19 so that the CIP cleaning and / or disinfecting medium when flowing out of the channel 18th has a velocity vector in the circumferential direction of the outer surface of the housing section 6.1 or about the FĆ¼llelementachse FA and due to this velocity vector, the annular gap 19 flows through helically from top to bottom. As a result, taking into account a sufficiently high flow rate of the CIP cleaning and / or disinfecting medium and the helical course of the flow, all inner surfaces of the bellows 16 thoroughly and optimally cleaned and disinfected.
Der Kanal 18 kann beispielsweise auch zum SpĆ¼len und/oder Vorspannen eines bereits in Dichtlage an der FĆ¼llposition befindlichen BehƤlters dienen. Ā The channel 18 can also serve, for example, for rinsing and / or pretensioning a container already in sealing position at the filling position.
An den GehƤuseabschnitt 6.1 schlieƟt sich Ć¼ber eine Stufe 6.2 ein GehƤuseabschnitt 6.3 an, der einen im Vergleich zum GehƤuseabschnitt 6.1 vergrĆ¶ĆŸerten AuƟendurchmesser aufweist. Zur Befestigung des oberen, der Abgabeƶffnung 8 am weitesten entfernt liegenden Endes des Faltenbalgs 16 ist dieser dort beispielsweise mit einem ringfƶrmigen Faltenbalgabschnitt 16.1 einstĆ¼ckig hergestellt. Der Faltenbalgabschnitt 16.1 ist in einer an der Stufe 6.2 ausgebildeten, die FĆ¼llelementachse FA konzentrisch umschlieƟenden ringfƶrmigen Ausnehmung 20 aufgenommen und dort durch einen die FĆ¼llelementachse FA konzentrisch umschlieƟenden Klemmring 21 durch Klemmen befestigt. An dem unteren, der Abgabeƶffnung 8 nƤher liegenden Ende ist der Faltenbalg 16 einstĆ¼ckig mit einem ringfƶrmigen Faltenbalgabschnitt 16.2 hergestellt, der in den Ringkƶrper 13.1 hineinreicht und dort in einer Ausnehmung an der InnenflƤche des Ringkƶrpers 3.1 mit diesem in geeigneter Weise verbunden ist, beispielsweise durch Kleben, Klemmen, Einspannen, Vulkanisieren, Schrauben usw., und zwar derart, dass die InnenflƤche des Faltenbalgabschnitts 16.2 bĆ¼ndig oder im Wesentlichen bĆ¼ndig mit der anschlieƟenden InnenflƤche des Ringkƶrpers 13.1 ist. Zum FĆ¼llen des jeweiligen mit seiner BehƤlterƶffnung unterhalb des FĆ¼llelementes 3 angeordneten BehƤlters 2 wird zunƤchst die Abdichttulpe 13 in der FĆ¼llelementachse FA auf den BehƤlter 2 abgesenkt, sodass die Ringdichtung 14 abgedichtet gegen den die BehƤlterƶffnung umgebenden BehƤlter- oder Ɩffnungsrand 2.1 anliegt. To the housing section 6.1 is followed by a step 6.2 a housing section 6.3, which has an enlarged compared to the housing section 6.1 outer diameter. For attachment of the upper, the discharge opening 8 furthest away end of the bellows 16 of this is there for example, with an annular Faltenbalgabschnitt 16.1 made in one piece. The bellows section 16.1 is received in an annular recess 20 formed concentrically around the filling element axis FA at the step 6.2 and fastened there by clamping ring 21 concentrically enclosing the filling element axis FA. At the lower, closer to the discharge opening 8 end of the bellows 16 is integrally formed with an annular Faltenbalgabschnitt 16.2, which extends into the annular body 13.1 and there in a recess on the inner surface of the annular body 3.1 is connected thereto in a suitable manner, for example by gluing Clamping, clamping, vulcanizing, screwing, etc., in such a way that the inner surface of the Faltenbalgabschnitts 16.2 is flush or substantially flush with the subsequent inner surface of the annular body 13.1. For filling the respective container 2 arranged with its container opening below the filling element 3, the sealing tulip 13 in the filling element axis FA is first lowered onto the container 2, so that the annular seal 14 bears in a sealed manner against the container or opening edge 2.1 surrounding the container opening.
Hierdurch befindet sich der betreffende BehƤlter 2 dann zentriert und in Dichtlage an dem betreffenden FĆ¼llelement 3. Das gesteuerte Absenken der Abdichttulpe 13 erfolgt beispielsweise kurvengesteuert Ć¼ber einen StĆ¶ĆŸel 17. As a result, the container in question 2 is then centered and in sealing position on the respective filling element 3. The controlled lowering of Abdichttulpe 13 takes place, for example, cam controlled by a plunger 17th
Die ebenfalls vorgesehene Lippendichtung 15 dient beispielsweise im Falle einer CIP-Reinigung zur Abdichtung einer dann erforderlichen SpĆ¼lkappe. Ā The also provided lip seal 15 is used for example in the case of a CIP cleaning to seal a then required flushing cap.
Vor dem eigentlichen FĆ¼llen wird der jeweilige in Dichtlage am FĆ¼llelement 3 befindliche BehƤlter 2 beispielsweise Ć¼ber den Gaskanal 12 mit einem unter Druck stehenden Inertgas, beispielsweise mit unter Druck stehendem C02-Gas vorgespannt. Nach dem Vorspannen wird die eigentliche FĆ¼llphase durch ƶffnen des FlĆ¼ssigkeitsventils 9 eingeleitet, wobei das hierbei durch das FĆ¼llgut aus dem BehƤlter 2 verdrƤngte Inertgas Ć¼ber den Gaskanal 12 abgefĆ¼hrt wird. Before the actual filling, the respective container 2 located in sealing position on the filling element 3 is prestressed, for example, via the gas channel 12 with a pressurized inert gas, for example pressurized C02 gas. After preloading, the actual filling phase is initiated by opening the liquid valve 9, whereby the inert gas displaced from the container 2 by the filling material is removed via the gas channel 12.
Durch den Vorspann- und/oder FĆ¼lldruck, der auf die innen liegenden RingflƤchen der Abdichttulpe 13 sowie des Faltenbalgs 16 wirkt, ergibt sich fĆ¼r die Abdichttulpe 13 eine Anpresskraft, die eventuell zusƤtzlich zu einer Ć¼ber den StĆ¶ĆŸel 17 ausgeĆ¼bten Anpresskraft wirkt und mit der die Abdichttulpe 13 bzw. deren Ringdichtung 14 gegen den Ɩffnungsrand 2.1 angepresst wird. Durch den Vorspann- und/oder FĆ¼lldruck kann somit die Anpresskraft, mit der die Abdichttulpe 13 bzw. deren Ringdichtung 14 gegen den Ɩffnungsrand 2.1 anliegt, eingestellt werden. By biasing and / or filling pressure, which acts on the inner annular surfaces of the Abdichttulpe 13 and the bellows 16, results for the Abdichttulpe 13 a contact pressure, which may also act in addition to a force exerted on the plunger 17 contact force and with the Abdichttulpe 13 and the ring seal 14 is pressed against the opening edge 2.1. By the biasing and / or filling pressure can thus be the contact pressure with which the Abdichttulpe 13 and whose annular seal 14 abuts against the opening edge 2.1, are set.
Der Wirkdurchmesser des Faltenbalgs 16, der fĆ¼r die aus dem Vorspann- und/oder FĆ¼lldruck resultierende Anpresskraft maƟgeblich ist, ist abhƤngig von dem kleinen inneren Faltenbalgdurchmesser di und dem grĆ¶ĆŸerem ƤuƟeren Faltenbalgdurchmesser da und entspricht der Wurzel aus (di2 + da2)/2). The effective diameter of the bellows 16, which is decisive for the resultant of the biasing and / or filling pressure contact force is dependent because of the small inner Faltenbalgdurchmesser di and the larger outer Faltenbalgdurchmesser and corresponds to the square root of (di 2 + da 2) / 2 ).
Durch die Ausbildung des FĆ¼llelementes 3 mit dem Faltenbalg 16 wird die bisher Ć¼bliche GleitfĆ¼hrung der Abdichttulpe 13 am GehƤuseabschnitt 6.1 mit einer Schiebdichtung und die hieraus resultierenden Nachteile vermieden. Insbesondere dann, wenn bei einer vorhandenen FĆ¼llmaschine, die bereits fĆ¼r die Verwendung herkƶmmlicher FĆ¼llelemente konzipiert ist, anstelle dieser herkƶmmlichen FĆ¼llelemente die FĆ¼llelemente 3 verwendet werden sollen, ist es zweckmƤƟig, den Wirkdurchmesser des Faltenbalgs 16 durch entsprechende Wahl des inneren und ƤuƟeren Faltenbalgdurchmessers di bzw. da so einzustellen, dass dieser Wirkdurchmesser dem Gleitdurchmesser der Schiebedichtung der herkƶmmlichen FĆ¼llelemente entspricht. Die Erfindung wurde voranstehend an einem AusfĆ¼hrungsbeispiel beschrieben. Es versteht sich, dass zahlreiche Ƅnderungen sowie Abwandlungen mƶglich sind, ohne dass dadurch der der Erfindung zugrundeliegende Erfindungsgedanke verlassen wird. Due to the formation of the filling element 3 with the bellows 16, the previously common sliding of the Abdichttulpe 13 on the housing section 6.1 is avoided with a sliding seal and the resulting disadvantages. In particular, if in an existing filling machine, which is already designed for the use of conventional filling elements, instead of these conventional filling elements, the filling elements 3 are used, it is expedient, the effective diameter of the bellows 16 by appropriate choice of the inner and outer Faltenbalgdurchmessers di or to adjust so that this effective diameter corresponds to the sliding diameter of the sliding seal of conventional filling elements. The invention has been described above by means of an embodiment. It is understood that numerous changes and modifications are possible without thereby departing from the inventive concept underlying the invention.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
1 FĆ¼llposition 1 filling position
2 BehƤlter bzw. Dose Ā 2 containers or can
2.1 Ɩffnungsrand Ā 2.1 opening edge
3 FĆ¼llelement Ā 3 filling element
4 Rotor Ā 4 rotor
5 StandflƤche Ā 5 floor space
6 FĆ¼llelementgehƤuse Ā 6 filler housing
6.1 GehƤuseabschnitt Ā 6.1 Housing section
6.2 Stufe Ā 6.2 level
6.3 GehƤuseabschnitt Ā 6.3 Housing section
7 FlĆ¼ssigkeitskanal Ā 7 fluid channel
8 Abgabeƶffnung Ā 8 discharge opening
9 FlĆ¼ssigkeitsventil Ā 9 liquid valve
10 Ventilkƶrper Ā 10 valve body
11 Gasrohr Ā 11 gas pipe
12 Gaskanal Ā 12 gas channel
13 Abdichttulpe Ā 13 sealing tulip
13.1 AbdichttulpenabschnittĀ 13.1 sealing tulip section
13.1 Ringkƶrper 13.1 ring body
13.1.1 Ringkƶrperabschnitt Ā 13.1.1 ring body section
14 Ringdichtung Ā 14 ring seal
15 Lippendichtung Ā 15 lip seal
16 Faltenbalg Ā 16 bellows
16.1 , 16.2 Faltenbalgabschnitt Ā 16.1, 16.2 Bellows section
17 StĆ¶ĆŸel Ā 17 pestles
18 Kanal Ā 18 channel
19 Ringspalt Ā 19 annular gap
20 Ausnehmung an der Stufe 6.1Ā 20 recess at the stage 6.1
21 Klemm- oder Befestigungsring21 Clamp or mounting ring
A Hub der Abdichttulpe 13A stroke of the sealing tulip 13
FA FĆ¼llelementachse FA filler element axis
MA Maschinenachse Ā MA machine axis

Claims

PatentansprĆ¼che claims
1. FĆ¼llelement eines FĆ¼llsystems oder einer FĆ¼llmaschine zum FĆ¼llen von Dosen oder dergleichen BehƤltern (2) mit einem flĆ¼ssigen FĆ¼llgut, mit einem FĆ¼llelementgehƤuse (6), welches an einem GehƤuseabschnitt (6.1) wenigstens eine Abgabeƶffnung (8) zur gesteuerten Abgabe des FĆ¼llgutes in den jeweiligen BehƤlter (2) aufweist, mit einer Abdichttulpe (13), die relativ zu dem GehƤuseabschnitt (6.1) in einer FĆ¼llelementachse (FA) relativ zum GehƤuseabschnitt (6.1 ) zwischen einer angehobenen Position und einer abgesenkten Position fĆ¼r eine Dichtlage gegen einen Ɩffnungsrand (2.1) des BehƤlters (2) bewegbar ist, sowie mit Dichtungsmitteln zum Abdichten des Ɯbergangs zwischen der Abdichttulpe (13) und dem FĆ¼llelementgehƤuse (6), dadurch gekennzeichnet, dass die Dichtungsmittel von einem die FĆ¼llelementachse (FA) umschlieƟenden Faltenbalg (16) gebildet sind, der mit einem Ende dicht mit dem FĆ¼llelementgehƤuse (6) und mit einem anderen Ende dicht mit der Abdichttulpe (13) verbunden ist. Ā 1. filling element of a filling system or a filling machine for filling cans or similar containers (2) with a liquid filling material, with a FĆ¼llelementgehƤuse (6) which at a housing portion (6.1) at least one discharge opening (8) for the controlled delivery of the filling in the relative to the housing section (6.1) between a raised position and a lowered position for a sealing position against an opening edge (2.1 ) of the container (2) is movable, as well as with sealing means for sealing the transition between the Abdichttulpe (13) and the FĆ¼llelementgehƤuse (6), characterized in that the sealing means of a FĆ¼llelementachse (FA) enclosing bellows (16) are formed, with one end close to the FĆ¼llelementgehƤuse (6) and with another end close to the Abdichttulpe (13) connected is.
2. FĆ¼llelement nach Anspruch 1, dadurch gekennzeichnet, dass die Abdichttulpe (13) und der Faltenbalg (16) den GehƤuseabschnitt (6.1) an seiner AuƟen- oder MantelflƤche umschlieƟen, vorzugsweise unter Ausbildung eines Ringspaltes (19) zwischen der AuƟenflƤche des GehƤuseabschnitts (6.1) und einer InnenflƤche der Abdichttulpe (13) sowie des Faltenbalgs (16). 2. Filling element according to claim 1, characterized in that the Abdichttulpe (13) and the bellows (16) enclose the housing portion (6.1) on its outer or outer surface, preferably with formation of an annular gap (19) between the outer surface of the housing portion (6.1 ) and an inner surface of the Abdichttulpe (13) and the bellows (16).
3. FĆ¼llelement nach einem der vorhergehenden AnsprĆ¼che, dadurch gekennzeichnet, dass der GehƤuseabschnitt (6.1) an seiner AuƟen- oder MantelflƤche kreiszylinderfƶrmig oder im Wesentlichen kreiszylinderfƶrmig ausgebildet ist. 3. Filling element according to one of the preceding claims, characterized in that the housing section (6.1) is formed on its outer or lateral surface of a circular cylindrical or substantially circular cylindrical.
4. FĆ¼llelement nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass in den Ringspalt (19) wenigstens ein Kanal (18) mĆ¼ndet, und zwar bevorzugt an einem der Abdichttulpe (13) entfernt liegenden Ende des Ringspaltes (19). 4. Filler element according to claim 2 or 3, characterized in that in the annular gap (19) at least one channel (18) opens, preferably at one of the Abdichttulpe (13) remote end of the annular gap (19).
5. FĆ¼llelement nach Anspruch 4, dadurch gekennzeichnet, dass die Achse des wenigstens einen Kanals (18) an seiner MĆ¼ndung in den Ringspalt (19) mit einer gedachten, senkrecht zur FĆ¼llelementachse (FA) orientierten Ebene (E) einen Winkel (a) kleiner als 90Ā° einschlieƟt, wobei diese Achse vorzugsweise zugleich auch in einer Ebene parallel oder im Wesentlichen parallel zur FĆ¼llelementachse (FA) angeordnet ist. 5. Filling element according to claim 4, characterized in that the axis of the at least one channel (18) at its mouth in the annular gap (19) with an imaginary, perpendicular to FĆ¼llelementachse (FA) oriented plane (E) an angle (a) smaller than 90 Ā°, wherein this axis is preferably also arranged in a plane parallel or substantially parallel to the FĆ¼llelementachse (FA) at the same time.
6. FĆ¼llelement nach einem der vorhergehenden AnsprĆ¼che, dadurch gekennzeichnet, dass der erste, von dem Faltenbalg (16) und der Abdichttulpe (13) umschlossene GehƤuseabschnitt (6.1) Ć¼ber eine Stufe (6.2) an einen weiteren GehƤuseabschnitt (6.3) des FĆ¼llelementgehƤuses (6) mit vergrĆ¶ĆŸertem AuƟenquerschnitt anschlieƟt, und dass der Faltenbalg (16) an seinem der Abgabeƶffnung (8) weiter entfernt liegenden Ende im Bereich der Stufe (6.2) durch Einspannen zwischen einem Halte- oder Klemmring (20) und dem FĆ¼llelementgehƤuse (6) gehalten ist. 6. Filling element according to one of the preceding claims, characterized in that the first, of the bellows (16) and the Abdichttulpe (13) enclosed housing portion (6.1) via a step (6.2) to a further housing portion (6.3) of the FĆ¼llelementgehƤuses (6 ) is connected with an enlarged outer cross section, and that the bellows (16) at its discharge opening (8) further away in the region of the step (6.2) by clamping between a holding or clamping ring (20) and the FĆ¼llelementgehƤuse (6) is held ,
7. FĆ¼llelement nach einem der vorhergehenden AnsprĆ¼che, dadurch gekennzeichnet, dass der Faltenbalg (16) an seinem der Abgabeƶffnung (8) nƤherliegenden Ende mit einem die FĆ¼llelementachse (FA) ringfƶrmig umschlieƟenden Faltenbalgabschnitt (16.2) in einen die Abdichttulpe (13) bildenden Ringkƶrper (13.1) hineinreicht und an einer InnenflƤche des Ringkƶrpers (13.1), vorzugsweise in einer dortigen Ausnehmung mit der Abdichttulpe (13) dicht verbunden ist. 7. Filling element according to one of the preceding claims, characterized in that the bellows (16) at its discharge opening (8) nearer end with a FĆ¼llelementachse (FA) annularly enclosing Faltenbalgabschnitt (16.2) in a Abdichttulpe (13) forming annular body ( 13.1) extends and is tightly connected to an inner surface of the annular body (13.1), preferably in a recess there with the Abdichttulpe (13).
8. FĆ¼llmaschine zum FĆ¼llen von Dosen oder dergleichen BehƤltern (2) mit einem flĆ¼ssigen FĆ¼llgut mit einem FĆ¼llsystem mit mehreren an einem umlaufenden Transportelement, beispielsweise an einem um eine vertikale Maschinenachse (MA) umlaufenden Rotor vorgesehenen, jeweils eine FĆ¼llposition (1) bildenden FĆ¼llelementen (3), dadurch gekennzeichnet, dass die FĆ¼llelemente (3) nach einem der vorhergehenden AnsprĆ¼che ausgebildet sind. 8. Filling machine for filling of cans or similar containers (2) with a liquid filling material with a filling system with several on a rotating transport element, for example, on a about a vertical machine axis (MA) rotating rotor, each one filling position (1) forming filling elements ( 3), characterized in that the filling elements (3) are designed according to one of the preceding claims.
EP13737541.6A 2012-07-30 2013-07-13 Filling element and filling machine Active EP2879961B1 (en)

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DE102012014957.3A DE102012014957A1 (en) 2012-07-30 2012-07-30 Filling element and filling machine
PCT/EP2013/002088 WO2014019642A1 (en) 2012-07-30 2013-07-13 Filling element and filling machine

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EP (1) EP2879961B1 (en)
JP (1) JP6516671B2 (en)
CN (1) CN104379453B (en)
BR (1) BR112014028378B1 (en)
DE (1) DE102012014957A1 (en)
SI (1) SI2879961T1 (en)
WO (1) WO2014019642A1 (en)

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Publication number Publication date
CN104379453A (en) 2015-02-25
SI2879961T1 (en) 2017-11-30
WO2014019642A1 (en) 2014-02-06
US10968091B2 (en) 2021-04-06
BR112014028378B1 (en) 2020-09-01
JP2015523291A (en) 2015-08-13
EP2879961B1 (en) 2017-09-20
DE102012014957A1 (en) 2014-05-15
JP6516671B2 (en) 2019-05-22
US20150191338A1 (en) 2015-07-09
BR112014028378A2 (en) 2017-06-27
CN104379453B (en) 2016-09-21

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