EP2942288B1 - Füllmaschine, insbesondere vom wägefülltyp, zum befüllen von behältern, wie etwa fässer, flaschen, dosen und/oder dergleichen, und zugehöriges füllverfahren - Google Patents

Füllmaschine, insbesondere vom wägefülltyp, zum befüllen von behältern, wie etwa fässer, flaschen, dosen und/oder dergleichen, und zugehöriges füllverfahren Download PDF

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Publication number
EP2942288B1
EP2942288B1 EP15166531.2A EP15166531A EP2942288B1 EP 2942288 B1 EP2942288 B1 EP 2942288B1 EP 15166531 A EP15166531 A EP 15166531A EP 2942288 B1 EP2942288 B1 EP 2942288B1
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EP
European Patent Office
Prior art keywords
filling
feeding
dispensing nozzle
collecting
filling machine
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EP15166531.2A
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English (en)
French (fr)
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EP2942288A1 (de
Inventor
Emanuele Gatteschi
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OCME SRL
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OCME SRL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • 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
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • 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
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • B65B3/28—Methods or devices for controlling the quantity of the material fed or filled by weighing
    • 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
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement

Definitions

  • the present invention concerns a filling machine, in particular of the weigh filling type, for filling containers, such as for example bottles, cans and/or the like, with at least one filling liquid.
  • Another object of the present invention is a method for filling containers, such as for example bottles, cans and/or the like, with at least one filling liquid.
  • the object of the present invention is particularly used in the field of packing barrels, bottles, cans and/or similar containers which involves a series of machines and/or similar equipment for filling containers, bottles, cans and/or the like, with liquids of different nature.
  • containers are typically filled through filling machines and/or similar devices that exploit different detection means to verify the filling status.
  • the dispensing is definitively interrupted so as to allow the filled -1-container to be removed and a new empty container to be positioned in order to be filled.
  • the dispensing of liquid is made possible by a valve that is connected to a proper feeding pipeline.
  • the valve is controlled by a central control unit that manages the advance closure time of the latter during the final filling step.
  • the advance time is established based on the data detected during the previous filling step.
  • the combination of these factors lead to disturbance to the feeding process of the filling liquid to the dispensing nozzles during the filling step.
  • the dispensing nozzles receive the filling liquid under different conditions from the previous filling thus not managing to ensure the same desired weight value and/or the same desired value of dispensed volume.
  • each valve associated with the respective dispensing nozzle closes the respective piping completely and in a rapid manner generating, upstream thereof, the undesired phenomenon of water hammer that causes a substantial increase in pressure along the piping with the risk of producing considerable damage to the whole feeding system of the filling liquid.
  • the main purpose of the present invention is to propose a filling machine, in particular of the weigh filling type, for filling containers, such as for example barrels, bottles, cans and/or the like, with at least one filling liquid, and a filling method, which are capable of solving the problems found in the prior art.
  • One purpose of the present invention is to ensure that the filling conditions are repeated during each filling cycle.
  • a further purpose of the present invention is to eliminate and/or drastically reduce water hammer due to the sudden closing of the valves of the dispensing nozzles.
  • a filling machine in particular of the weigh filling type, for filling containers, such as for example barrels, bottles, cans and/or the like, with at least one filling liquid, and a relative filling method, according to what is described and claimed in the rest of the description.
  • the description will be carried out in the rest of the description with reference to the attached drawings, provided purely as an indication and therefore not for limiting purposes, in which:
  • reference numeral 1 wholly indicates a filling machine, in particular of the weigh filling type, for filling containers C, such as for example barrels, bottles, cans and/or the like, with at least one filling liquid 2, in accordance with the present invention.
  • the filling machine 1 comprises at least one feeding source 1a (schematically illustrated in figures 6 to 10 ) or a feeding joint (not illustrated), which is hydraulically connectable to a feeding source that does not form part of the filling machine 1, for feeding a filling liquid 2.
  • the filling machine 1 comprises at least one dispensing nozzle 3 (schematically represented with an arrow in figures 6 to 10 ), generally a plurality of dispensing nozzles 3, each in fluid communication with the feeding source 1a or the feeding joint for feeding the filling machine 1.
  • the filling machine 1 comprises for each dispensing nozzle 3, at least one main connection duct 4 extending between the latter and the feeding source 1a or the feeding joint of the same.
  • the filling machine 1 comprises, preferably for each dispensing nozzle 3 or for a group of dispensing nozzles 3, at least one control unit 5, optionally a valve element, like for example a solenoid valve or the like, operatively arranged along the respective main connection duct 4 between the feeding source 1a or the feeding joint for feeding the filling machine 1 and the respective dispensing nozzle 3.
  • a valve element like for example a solenoid valve or the like
  • Each control unit 5 is switchable between a closing condition (represented with the symbol 0 in figures 6, 9 and 10 ), wherein the respective dispensing nozzle 3 is not in fluid communication with the feeding source 1a or the feeding joint for feeding the filling machine 1, and an opening condition (represented with the symbol 1 in figures 7 and 8 ), in which the respective dispensing nozzle 3 is in fluid communication with the feeding source 1a or the feeding joint for feeding the filling machine 1 to dispense the filling liquid 2 being fed.
  • a closing condition represented with the symbol 0 in figures 6, 9 and 10
  • an opening condition represented with the symbol 1 in figures 7 and 8
  • the switching of the closing unit 5 from the opening condition to the closing condition is carried out slowly, according to a programmable closing time that prevents the undesired occurrence of water hammer.
  • Every dispensing nozzle 3 is advantageously operatively associated with respective detection means (for detecting the weight or volume) 3a (schematically illustrated in figures 6 to 10 ) for detecting the filling status of the containers C ( figures 6 to 10 ) being fed.
  • the detection means 3a comprise at least one weight sensor, like for example a scale, and/or a detection device for detecting the dispensed flow, so that the filling status is detected based on the increase in weight of the container C and/or of the amount of dispensed filling liquid 2.
  • the detection means 3a are operatively connected to the respective control unit 5 for switching the latter from the opening condition to the closing condition once a predetermined filling level has been achieved.
  • the filling machine 1 comprises at least one collecting device 6 that is interposed between each dispensing nozzle 3 and the control unit 5.
  • Each collecting device 6 is suitable for advantageously collecting a predetermined volume of filling liquid 2 coming from the feeding source 1a or from the feeding joint for feeding the filling machine 1 to supply at least one part of such a volume to the respective dispensing nozzle 3 after the switching of the respective control unit 5 from the opening condition ( figures 7 and 8 ) to the closing condition ( figure 9 ), according to a programmable closing time.
  • Each control mechanism 7 is switchable between a closing condition (indicated with the symbol 0 in figures 6 and 10 ), in which it is not in fluid communication with the respective dispensing nozzle 3, and an opening condition (indicated with the symbol 1 in figures from 7 to 9), in which it is in fluid communication with the respective dispensing nozzle 3.
  • each collecting device 6 comprises at least one collecting compartment 8 for collecting the filling liquid 2 that comes from the feeding source 1a or from the feeding joint for feeding the filling machine 1.
  • the collecting compartment 8 is in fluid communication with the respective main connection duct 4 being, consequently, hydraulically arranged in series between the respective control unit 5 and the respective dispensing nozzle 3.
  • each collecting device 6 can also be in fluid communication with an auxiliary connection duct (not illustrated) which extends in parallel to at least one portion of the respective main connection duct 4 between the feeding source 1a or the feeding joint for feeding the filling machine 1 and the respective control mechanism 7.
  • each collecting device 6 comprises pushing means 9 operatively associated with the respective collecting compartment 8 to send the filling liquid 2 therein contained to the respective dispensing nozzle 3 when the respective control mechanism 7 is in the opening condition ( figure 9 ) and the respective control member 5 is in the closing condition ( figure 9 ).
  • each collecting device 6 comprises at least one cylinder 10 that defines in its inside, the respective collecting compartment 8.
  • each collecting device 6 also comprises at least one piston 11, forming part of the pushing means 9, which is operatively arranged inside the respective cylinder 10.
  • the piston 11 is movable between a first position ( figures 3 , 8 and 9 ), in which the respective collecting compartment 8 has a maximum volume value for collecting the filling liquid 2, and a second position ( figures 4 , 6, 7 and 10 ), in which the respective collecting compartment 8 has a minimum volume value.
  • the pushing means 9 further comprise at least one actuator 12, optionally an electric motor, and at least one transmission member 13, optionally a recirculation ball screw, operatively interposed between the respective actuator 12 and the respective piston 11 to direct the latter at least from the first position ( figures 3 , 8 and 9 ) to the second position ( figures 4 , 6, 7 and 10 ), preferably between the first and the second position.
  • at least one actuator 12 optionally an electric motor
  • at least one transmission member 13 optionally a recirculation ball screw
  • the compartment 8 is delimited inside a tank 13, whereas the pushing means 9 comprise at least one pressurized gas source 14 connected to the relative collecting compartment 8 by means of respective pipes and at least one control device 15, optionally a valve element, operatively interposed between the gas source 14 and the collecting compartment 8.
  • the control device 15 is switchable between a closing condition, in which the gas source 14 and the collecting compartment are not in fluid communication, and an opening condition, in which the gas source 14 and the collecting compartment 8 are in fluid communication, so that the gas coming from the source 14 flows into the collecting compartment 8 sending the filling liquid 2 therein contained towards the respective dispensing nozzle 3.
  • Another object of the present invention is a method for filling containers C, such as for example barrels, bottles, cans and/or the like, which comprises a feeding step for feeding at least one dispensing nozzle 3 with a filling liquid 2.
  • Such a method also comprises a step of continuously detecting the filling status of the container C arranged at the nozzle 3 fed with the filling liquid 2.
  • the filling status is advantageously detected by detecting the weight increase of the container C being filled and/or the amount of the dispensed filling liquid 2 by the respective dispensing nozzle 3.
  • the method advantageously provides at least one collecting step for collecting a predetermined volume of filling liquid 2 and a feeding step for feeding at least one part of such a volume to the respective dispensing nozzle 3.
  • the collecting step for collecting filling liquid 2 is carried out during the feeding of the same to the respective dispensing nozzle 3, whereas the feeding step for feeding the filling liquid 2 accumulated during the filling step for filling the container C is carried out before reaching a final level of filling of the same and once the main feeding has been interrupted.
  • Each filling cycle for filling a container C begins ( figure 6 ) with the respective control unit 5 and the respective control mechanism 5 under the closing condition, so that the filling liquid 2 coming from the respective feeding source 1a cannot flow along the respective main connection duct 4 so as to reach the respective dispensing nozzle 3.
  • the piston 11 of the respective collecting device 6 is in the second position and the respective dispensing nozzle 3 does not dispense the filling liquid 2 so that the detection means 3a detect the presence of an empty container C.
  • the pushing means 9 are actuated so as to lead the piston 11 of the respective collecting device 6 from the second position ( figures 6 and 7 ) to the first position ( figures 8 and 9 ) and to suck the filling liquid 2 being fed into the respective collecting compartment 8.
  • the filling of the container C continues simultaneously with the filling of the collecting compartment 8 of the respective collecting device 6.
  • the piston 11 of the pushing means 9 of the respective collecting device 6 is in the first position, with the collecting compartment 8 that is completely filled in with the filling liquid 2.
  • the filling liquid 2 continues flowing through the respective dispensing nozzle 3 filling the respective container C until a third relevant filling level is detected ( figure 9 ) by the detection means 5, preferably corresponding to 95% of the overall volume of the container itself.
  • the control unit 5 is switched from the opening condition to the closing condition, preferably slowly, namely, according to a programmable time period that prevents water hammer.
  • the pushing means 9 of the relative collecting device 6 are actuated so as to bring the piston 11 from the first to the second position and to send the filling liquid 2 previously collected towards the respective dispensing nozzle 3.
  • the container C is filled in up to a quarter of the relevant filling value ( figure 10 ), corresponding to around 100% of the overall volume of the same, and the piston 11 returns to the second position ready to start a new filling cycle.
  • the aforementioned filling cycle can be carried out in the same way also using the collecting device 6 illustrated in figure 5 .
  • the tank 13 device 5 requires pressurised gas to be introduced into the collecting compartment 8 so as to determine the push of the filling liquid 2 previously collected during feeding towards the respective dispensing nozzle 3 once the respective control unit 5 has been closed.
  • the object of the present invention solves the drawbacks found in the prior art and achieves important advantages.
  • the presence of the collecting device between the feeding source for feeding the filling liquid and the respective dispensing nozzle allows the control unit to be closed according to a programmable time that prevents the undesired phenomenon of water hammer.
  • the presence of the collecting device upstream of each dispensing nozzle permits a controlled feeding of the final filling step for filling the containers, ensuring the same filling conditions during each cycle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Basic Packing Technique (AREA)

Claims (10)

  1. Füllmaschine (1), insbesondere vom Gewichtsfülltyp, zum Füllen von Behältern (C), wie beispielsweise Fässern, Flaschen, Dosen und/oder dergleichen, mit zumindest einer Füllflüssigkeit (2), wobei die Füllmaschine (1) umfasst:
    zumindest eine Zufuhrquelle (1a) oder einen Zufuhranschluss, der hydraulisch mit einer Zufuhrquelle verbindbar ist und keinen Teil der Füllmaschine (1) bildet, zum Zuführen einer Füllflüssigkeit (2);
    zumindest eine Abgabedüse (3) zum Abgeben der Füllflüssigkeit (2), die mit der Zufuhrquelle (1 a) oder dem Zufuhranschluss zum Zuführen zu der Füllmaschine (1) verbunden ist,
    zumindest ein Hauptverbindungsrohr (4), das sich zwischen der Zufuhrquelle (1a) oder dem Zufuhranschluss zum Zuführen zu der Füllmaschine (1) und der Abgabedüse (3) erstreckt;
    zumindest eine Steuereinheit (5), optional einem Ventilelement, das funktional entlang des Hauptverbindungsrohres (4) zwischen der Zufuhrquelle (1a) oder dem Zufuhranschluss zum Zuführen zu der Füllmaschine (1) und der Abgabedüse (3) angeordnet ist, wobei die Steuereinheit (5) zwischen einem geschlossenen Zustand, in welchem die Abgabedüse (3) nicht in Fluidkommunikation mit der Zufuhrquelle (1 a) oder dem Zufuhranschluss zum Zuführen zu der Füllmaschine (1) steht, und einem offenen Zustand schaltbar ist, in welchem die Abgabedüse (3) in Fluidkommunikation mit der Zufuhrquelle (1a) oder dem Zufuhranschluss zum Zuführen zu der Füllmaschine (1) steht, um die zuzuführende Füllflüssigkeit (2) abzugeben;
    ein Detektionsmittel (3a), das funktional mit der Abgabedüse (3) zum Detektieren des Füllstatus des Behälters (C) in Verbindung steht, wobei das Detektionsmittel (3a) funktional mit der Steuereinheit (5) zum Schalten derselben von dem offenen Zustand in den geschlossenen Zustand verbunden ist, sobald ein vorbestimmter Füllpegel erreicht worden ist;
    dadurch gekennzeichnet, dass sie zumindest eine Sammelvorrichtung (6) umfasst, die zwischen der Abgabedüse (3) und der Steuereinheit (5) angeordnet ist, wobei die Sammelvorrichtung (6) optional ein vorbestimmtes Volumen der Füllflüssigkeit (2) sammelt, das von der Zufuhrquelle (1a) oder von dem Zufuhranschluss zum Zuführen zu der Füllmaschine (1) stammt, um zumindest einen Teil des Volumens an die Abgabedüse (3) zu liefern, nachdem die Steuereinheit (5) gemäß einer programmierbaren Schließzeit von dem offenen Zustand in den geschlossenen Zustand geschaltet worden ist.
  2. Füllmaschine (1) nach Anspruch 1, ferner mit zumindest einem Steuermechanismus (7), optional einem Ventilelement, das funktional zwischen der Sammelvorrichtung (6) und der Abgabedüse (3) angeordnet ist, wobei der Steuermechanismus (7) zwischen einem geschlossenen Zustand, in welchem die Abgabedüse (3) nicht in Fluidkommunikation mit der Sammelvorrichtung (6) steht, und einem offenen Zustand schaltbar ist, in welchem die Abgabedüse (3) in Fluidkommunikation mit der Sammelvorrichtung (6) steht.
  3. Füllmaschine (1) nach Anspruch 2, wobei die Sammelvorrichtung (6) zumindest ein Sammelfach (8) zum Sammeln der Füllflüssigkeit (2), die von der Zufuhrquelle (1 a) oder von dem Zufuhranschluss zum Zuführen zu der Füllmaschine (1) stammt, umfasst.
  4. Füllmaschine (1) nach Anspruch 3, wobei das Sammelfach (8) in Fluidkommunikation mit dem Hauptverbindungsrohr (4) steht, wobei das Sammelfach (8) hydraulisch in Reihe zwischen der Steuereinheit (5) und der Abgabedüse (3) angeordnet ist.
  5. Füllmaschine (1) nach Anspruch 3, wobei das Sammelfach (8) der Sammelvorrichtung (6) in Fluidkommunikation mit einem Zusatzverbindungsrohr (4) steht, das sich parallel zu zumindest einem Abschnitt des Hauptverbindungsrohres (4) zwischen der Zufuhrquelle (1 a) oder dem Zufuhranschluss zum Zuführen zu der Füllmaschine (1) und dem Steuermechanismus (7) erstreckt.
  6. Füllmaschine (1) nach einem der Ansprüche 3 bis 5, wobei die Sammelvorrichtung (6) ein Pressmittel (9) umfasst, das dem Sammelfach (8) der Sammelvorrichtung (6) funktional zugeordnet ist, um die darin enthaltene Füllflüssigkeit an die Abgabedüse (3) zu senden, wenn der Steuermechanismus (7) in dem offenen Zustand ist und die Steuereinheit (5) in dem geschlossenen Zustand ist.
  7. Füllmaschine (1) nach Anspruch 6, wobei die Sammelvorrichtung (6) umfasst:
    zumindest einen Zylinder (10), der intern das Sammelfach (8) abgrenzt;
    zumindest einen Kolben (11), der einen Teil des Pressmittels (9) bildet und funktional innerhalb des Zylinders (10) angeordnet ist, wobei der Kolben (11) zwischen einer ersten Position, in der das Sammelfach (8) einen maximalen Volumenwert für die Füllflüssigkeit (2) aufweist, und einer zweiten Position bewegbar ist, in der das Sammelfach (8) einen minimalen Volumenwert für die Füllflüssigkeit (2) aufweist.
  8. Füllmaschine (1) nach Anspruch 7, wenn abhängig von Anspruch 6, wobei das Pressmittel (9) umfasst:
    zumindest einen Aktor (12), optional einen Elektromotor;
    zumindest ein Getriebeelement (13), optional eine Rezirkulationskugelgewindespindel, die funktional zwischen dem Aktor (12) und dem Kolben (11) angeordnet ist, um diesen zumindest von der ersten zu der zweiten Position, bevorzugt zwischen der ersten und der zweiten Position zu führen.
  9. Füllmaschine (1) nach einem der Ansprüche 6 bis 8, wobei das Pressmittel (9) umfasst:
    zumindest eine druckbeaufschlagte Gasquelle (13) in Fluidkommunikation mit dem Sammelfach (8);
    zumindest eine Steuervorrichtung (15), optional ein Ventilelement, das funktional zwischen der Gasquelle (13) und dem Sammelfach (8) angeordnet ist, wobei die Steuervorrichtung (15) zwischen einem geschlossenen Zustand, in welchem die Gasquelle (13) und das Sammelfach (8) nicht in Fluidkommunikation stehen, und einem offenen Zustand schaltbar ist, in welchem die Gasquelle (13) und das Sammelfach (8) in Fluidkommunikation stehen, so dass das Gas in das Sammelfach (8) strömt, wobei die darin enthaltene Füllflüssigkeit (2) zu der Abgabedüse (3) gesendet wird.
  10. Verfahren zum Füllen von Behältern, insbesondere Fässern, Flaschen, Dosen und/oder dergleichen, mit einer Füllflüssigkeit (2), wobei das Verfahren dadurch gekennzeichnet ist, dass es durch eine Füllmaschine (1) nach einem oder mehreren der Ansprüche 1 bis 9 ausgeführt wird und die Schritte umfasst, dass:
    zumindest eine Füllflüssigkeit (2) zumindest einer Abgabedüse (3) zum Füllen zumindest eines damit in Verbindung stehenden Behälters (C) zugeführt wird;
    der Füllstatus des Behälters optional durch Detektion der Gewichtszunahme desselben und/oder der Menge der abgegebenen Füllflüssigkeit (2) detektiert wird, bis der vorbestimmte Füllpegel detektiert ist, der bevorzugt der Gesamtfüllung des relativen Behälters (C) entspricht,
    ein vorbestimmtes Volumen an Füllflüssigkeit (2) optional während des Schrittes zum Zuführen desselben zu der Abgabedüse (3) gesammelt wird;
    zumindest ein Teil des Volumens der gesammelten Füllflüssigkeit der Abgabedüse (3), während bevorzugt nahezu der vorbestimmte Füllpegel erreicht ist, bei Schließen der Hauptzufuhr der Füllflüssigkeit (2) gemäß einer programmierbaren Schließzeit zugeführt wird.
EP15166531.2A 2014-05-07 2015-05-06 Füllmaschine, insbesondere vom wägefülltyp, zum befüllen von behältern, wie etwa fässer, flaschen, dosen und/oder dergleichen, und zugehöriges füllverfahren Active EP2942288B1 (de)

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EP2942288B1 true EP2942288B1 (de) 2017-01-25

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EP15166531.2A Active EP2942288B1 (de) 2014-05-07 2015-05-06 Füllmaschine, insbesondere vom wägefülltyp, zum befüllen von behältern, wie etwa fässer, flaschen, dosen und/oder dergleichen, und zugehöriges füllverfahren

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Publication number Priority date Publication date Assignee Title
US10435288B2 (en) 2016-04-18 2019-10-08 Guangzhou Xaircraft Technology Co., Ltd. Liquid volume transfer system, liquid infusion device, unmanned aerial vehicle and liquid container
CN111348229A (zh) * 2018-12-23 2020-06-30 邯郸市复兴区宏昌科技有限公司 一种能消除水锤效应的液体分装装置

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Publication number Priority date Publication date Assignee Title
DE3337352C2 (de) * 1983-10-14 1985-12-12 Gerhard 2000 Hamburg Grosskreuz Vorrichtung zum gleichzeitigen Abfüllen eines flüssigen oder festen, fließfähigen Mediums in mehrere Gebinde, wie Behälter, Fässer, Packungen o.dgl.
JPS6367295A (ja) * 1986-09-08 1988-03-26 三菱重工業株式会社 液体充填方法及び装置
DE10209435C1 (de) * 2002-03-05 2003-08-14 Feige Abfuelltechnik Vorrichtung zum gleichzeitigen Befüllen mehrerer Behälter

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