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EP2888195B1 - Container filling machine and method - Google Patents

Container filling machine and method Download PDF

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Publication number
EP2888195B1
EP2888195B1 EP13773278.0A EP13773278A EP2888195B1 EP 2888195 B1 EP2888195 B1 EP 2888195B1 EP 13773278 A EP13773278 A EP 13773278A EP 2888195 B1 EP2888195 B1 EP 2888195B1
Authority
EP
European Patent Office
Prior art keywords
container
filling
filler
cannula
tube
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.)
Active
Application number
EP13773278.0A
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German (de)
French (fr)
Other versions
EP2888195A1 (en
Inventor
Philippe Perrier
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.)
Pep Technologies SC
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Pep Technologies SC
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Publication date
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Publication of EP2888195A1 publication Critical patent/EP2888195A1/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
    • B67C3/26—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
    • B67C3/2617—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for counter-pressure filling the liquid valve being opened by mechanical or electrical actuation
    • B67C3/262—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for counter-pressure filling the liquid valve being opened by mechanical or electrical actuation and the filling operation stopping when the liquid rises to a level at which it closes a vent opening
    • 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

Definitions

  • the object of the invention relates to the technical field of filling containers of any type known per se such as glass or plastic, using a filling fluid of any kind.
  • a filling machine comprising a tank for storing a filling liquid.
  • This storage tank is connected to one and generally to a series of filling heads to each of which the containers are successively brought and removed after filling.
  • Each filling head comprises a filling tube passing through a support seat for the neck of the container.
  • the tube is intended to penetrate inside the container and internally comprises a discharge cannula for recovering the air expelled from inside the container by the filling liquid.
  • the vacuum is maintained within the storage tank to ensure liquid flow from the end of the fill tube.
  • the liquid flows through the discharge cannula to the vessel or storage vessel.
  • the level of the liquid inside the container is determined by the lower end of the filler tube.
  • the filling of containers using the vacuum is likely to affect the quality of the filling liquid due to the aeration of the liquid.
  • the quality of the liquid is also affected by the recirculation of the liquid that occurs in the presence of the container on the receiving seat and even in the absence of the container, with a lower recirculation rate.
  • the filling operation is in practice in particular at the end of the filling operation, relatively long given the creation of bubbles or foam making it difficult to level the liquid.
  • the document DE 11 85 497 describes a technique for filling containers with a filling liquid stored in a regulated tank pressure and delivered using at least one filling head having a filling tube passing through a support seat for the container and provided with a main shutter to allow or interrupt the passage of the filling liquid.
  • the filling tube internally comprises a discharge cannula and delimits externally with the support seat, a communication passage with a circuit for controlled leakage for the container equipped with a shutter controlled opening and closing.
  • the discharge cannula is connected by shutters controlled either to a regulated leakage circuit for the cannula, or to a communication circuit with the tank for filling the container in gravity mode.
  • the shutter of the filling tube is controlled by a controlled actuator.
  • the document DE 11 85 497 B discloses a method of filling containers and a container filling machine according to the preambles of claims 1 and 5 respectively.
  • the present invention therefore aims to overcome the drawbacks of the state of the art by proposing a new filling technique that does not use vacuum and allows filling and rapid leveling, while having limited liquid recirculation and controlled, independent of the supply of the container.
  • the object of the invention relates to a method of filling containers with a filling liquid stored in a pressure-regulated tank and delivered using at least one head of filling comprising a filling tube passing through a support seat for the container and provided with a main shutter to allow or interrupt the passage of the filling liquid, the filling tube comprising internally, a discharge cannula, connected to a circuit controlled leakage, either to a communication circuit with the tank.
  • the object of the invention concerns a machine 1 for filling with a liquid 1, a container 2 at a predetermined level.
  • the container 2 can be of any kind such as plastic or glass.
  • the liquid 1 can be of any kind you! for example, viscous, alcoholic, sweet, carbonated, flavored, colored, with or without particles, etc.
  • the filling machine I comprises a storage tank 3 for the liquid 1 , maintained at a control pressure by any appropriate means 4 such as for example by a pressure regulator.
  • the filling machine I also comprises at least one and in general, a plurality of filling heads 6 adapted to each fill a container 2 with the liquid 1 . After filling, each container 2 is evacuated and replaced by a new container for filling.
  • the handling means of the containers 2 are not described more precisely because they are well known to those skilled in the art and are not part of the invention. Similarly, the filling machine I is not described more precisely because it can take different forms or configurations depending in particular on the number of filling heads 6.
  • a filling head 6 According to the description that follows, only the operation of a filling head 6 is described, but it is clear that the object of the invention can be applied to a machine comprising a series of filling heads, for example distributed along a line or at its periphery in order to produce the machine in the form of a machine. carousel.
  • Each filling head 6 comprises a filling tube 8 communicating with the storage tank 3.
  • the filling tube 8 passes through a support seat 9 for the container 2 and in particular for the neck 2 1 of the container.
  • the tube 8 thus protrudes from the support seat 9 so that its lower end 8 1 extends below the support seat 9.
  • the upward movement of the container 2 allows the introduction of the tube 8 by its lower end 8 1 , inside the container 2 ( Fig. 2 ).
  • the filling tube 8 is a rigid tube connected directly to the tank 3.
  • the tube of filling 8 can be offset relative to the tank 3 being made rigidly or flexible.
  • the support seat 9 and the filling tube 8 are vertically movable with respect to each other in order to be able to adjust the height between the lower end 8 1 of the tube and the seat 9.
  • the lower end 8 1 of the tube 8 defines the level of filling of the liquid inside the container 2 so that the adjustment of the position of the the lower end 8 of tube 1 relative to the seat 9 adjusts the liquid fill level within the container preferably, the seat 9 is slidably mounted in the vertical direction relative to the filler tube.
  • the filling tube 8 delimits with the support seat 9, a passage 11 of communication with a regulated leakage circuit 12 .
  • This regulated leakage circuit 12 for the container comprises a first controlled shutter such as a shutter A, for example a valve ensuring cover or the closure of this regulated leakage circuit 12.
  • a first controlled shutter such as a shutter A
  • the container 2 communicates with a leak 13 for the container which in the example shown is an outlet in the open air.
  • the shutter A is controlled in opening and closing by means of a control circuit 14.
  • the support seat 9 comprises a support gasket 9 1 for the neck 2 1 of the container so as to obtain a seal between the container 2 and the support seat 9.
  • the container 2 in the support position on the seat 9, the container 2 is able to communicate only with the regulated leakage circuit 12 and the inside of the filling tube 8.
  • the filling tube 8 is provided with a main shutter 15 making it possible to open or close the tube in order to allow the liquid to exit from the tube or to prevent the liquid from coming out of the tank 3 from leaving .
  • This main shutter 15 of the tube 8 is controlled in opening and closing via an actuator 16 controlled by the control circuit 14.
  • the main shutter 15 is moved in a vertical direction by the actuator 16 to occupy a closed position illustrated for example in FIGS. Fig . 1 and 9 and an open position illustrated to Fig. 3 and 10 in which the liquid 1 coming from the tank 3 flows freely from the lower end 8 1 of the tube 8.
  • the main shutter 15 is mounted at the end of a tube or cannula 18 mounted inside the filling tube 8 .
  • the main shutter 15 is mounted at the end of the cannula 18 and is shaped to come into the closed position, sealingly engaging with the lower end 8 1 of the tube 8 ( Fig. 1 ) forming the seat of the shutter.
  • the actuator 16 holds the cannula 18 in the up position ( Fig. 9 ) to ensure contact between the main shutter 15 and the tube 8.
  • the downward movement of the cannula 18 by the actuator 16 in a limited stroke for example of a few mm ( Fig. 10 ) makes it possible to disengage the main shutter 15 with respect to the tube 8, ensuring the exit of the liquid 1 through the lower end 8 1 of the tube 8 ( Fig. 3 ).
  • the main shutter 15 is arranged to have a deflector shape for guiding the liquid inside the container 2.
  • the cannula 18 constitutes a discharge cannula delimiting internally, a circulation circuit 18 1 for the liquid and for the air as will be described in the following description.
  • the control of the circulation of the liquid leaving the tube 8 can be ensured in any appropriate manner.
  • the main shutter 15 closes or opens end 8 1 of the tube 8.
  • the Fig. 11 illustrates another embodiment in which the main shutter 15 is arranged inside the tube 8, near its upper end.
  • the inside of the filling tube 8 is arranged to include a seat 15 1 on which is engaged the main shutter 15 carried by the cannula 18 .
  • the end of the cannula 18 is equipped with a deflector 18 2 for the liquid coming out of the filling tube 8.
  • the main shutter 15 moves vertically but it is clear that the main shutter 15 may have a different movement movement such as turning or pivoting.
  • the actuator 16 may be of any known type adapted to the types of shutters.
  • the actuator 16 acts directly on the end of the cannula. 18 to ensure its vertical movement.
  • the actuator 16 can act without contact on the cannula 18, in all appropriate places to ensure its displacement.
  • the discharge cannula 18 comprises at its lower end, a through opening 19 opening at the lower end 8 1 of the filling tube 8.
  • the discharge cannula 18 is connected either to a regulated leakage circuit 21 or to a circuit 22 for communication with the tank 3.
  • the communication circuit 22 and the regulated leak circuit 21 for the cannula 18 are connected to a common circuit 23 for connection with the circulation circuit 18 1 delimited by the cannula 18 and opening through the passage opening 19 .
  • the communication circuit 22 is equipped with a second shutter or shutter B such as a valve whose operation is controlled by the control circuit 14.
  • the cannula 18 communicates with the tank 3 to balance the pressures between the one inside the container 2 and the internal pressure of the tank 3. This communication allows as will be explained in the following description, to slow the flow of liquid to from the tube 8 to obtain a filling in gravity mode,
  • the regulated leakage circuit 21 for the cannula is equipped with a third shutter or shutter C such as a valve whose operation is controlled by the control circuit 14.
  • the regulated leakage circuit 21 for the cannula thus makes it possible to opening the shutter C to port the discharge cannula 18 with a leakage 25 for the cannula which in the example illustrated is an outlet in the open air. It is to highlight that the passage opening 19 of the cannula 18 is closed only if the shutters B and C are in the closed position.
  • the control circuit 14 through programmed means to control, in synchronization with the handling means of the containers 2 , the actuator 16 and the different shutters A to C.
  • the shutters A , B and C are in the closed position.
  • the actuator 16 is also placed and controlled to position the main shutter 15 in the closed position of the filling tube 8 ( Fig . 9 ). From this position, a container 2 can be brought to ensure the engagement of the lower end of the tube 8 inside the container 2. The container is engaged so as to bear against the seat of support 9 to ensure the seal between the neck 2 1 and the seat 9 ( Fig. 2 ).
  • the tank 3 is regulated in positive pressure through the regulator 4 which allows in particular to adjust the filling speed.
  • the actuator 16 is controlled by the control circuit 14 so as to move the main shutter 15 to place it in the open position ( Fig. 3 and 10 ). Simultaneously, the shutters A, C are placed in the open position while the shutter B remains in the closed position. The opening of the main shutter 15 allows the liquid to flow from the free end of the tube 8 inside the container 2 from inside the vessel 3.
  • the opening of the shutter C makes it possible to put the circulation circuit 18 1 of the cannula into communication with the leak 25 for the cannula.
  • the opening of the shutter A simultaneously with the opening of the shutter C allows to communicate, the cannula 18 also with the leak 13 for the container, thus promoting the emptying of the liquid present inside the cannula 18 and priming the filling of the container 2.
  • the opening of the shutter A makes it possible to put in communication via the passage 11 , the interior of the container 2 , with the leak 13 for the container.
  • the liquid 1 from the tube 8 and penetrating inside the container 2 leads to expel the air contained in the container 2. The air expelled by the liquid entering the container 2 through the tube 8 is discharged by the leak 13 for the container and the leak 25 for the cannula.
  • the simultaneous opening of the shutters A and C promotes priming of the filling by emptying the cannula 18 filled with liquid by the previous filling.
  • the pressure difference between the pressurized vessel 3 and the container 2 ensures rapid filling of the container in a so-called flow filling mode ( Fig. 3 and 4 ).
  • the container 2 communicates in the open air by two circuits (the regulated leakage circuit 21 - leakage 25 for the cannula / regulated leakage circuit 12 - leakage 13 for the container) contributing to the faster flow of the liquid inside the container 2.
  • Fast filling in flow mode is able to create strong turbulence inside the container 2, in particular generated by the shape of the walls of the container 2.
  • the liquid level 1 arrives for example at the level of the shoulder of the container 2, bubbles and foam are formed.
  • the method according to the invention aims to slow down the filling of the container 2 according to the flow mode in order to control the formation of this foam and of these bubbles and to limit the volume of liquid to be recirculated.
  • This change of filling mode advantageously occurs when the liquid level reaches a zone of change of shape of the container 2 such as the shoulder of a bottle ( Fig. 4 ).
  • the method according to the invention thus aims, before the end of the filling, to switch from filling in flow mode to filling the container in gravity mode.
  • the filling process thus consists, before the end of the filling, in closing the regulated leakage circuit 12 for the container by controlling the closure of the shutter A ( Fig. 5 ).
  • the discharge cannula 18 is no longer connected to the regulated leakage circuit 21 for the cannula / closure of the shutter C) but is placed in communication with the tank 3 by the communication circuit 22.
  • the shutter B is placed in the open position. Insofar as the tank 3 is under pressure, the pressure of the air present in the container 2 will equilibrate with the pressure of the tank 3. Given the pressure balance tendency between the tank and the container, the liquid flows less quickly from the filling tube 8.
  • This end of filling phase allows to switch from the so-called flow filling mode to a so-called gravity filling mode.
  • This change of filling mode has the effect of reducing the formation of bubbles and foam of the liquid, slowing the speed of flow of the liquid inside the container 2.
  • This end of filling phase is continued until filling 2.
  • the liquid continues to exit the tank through the tube 8 to come to the level of the lower end 8 1 of the tube 8.
  • the liquid can not pass above this level determined by the lower end of the tube 8 and is found displaced in the cannula 18 at the maximum level of the liquid of the tank 3 .
  • the filling operation is stopped.
  • the filling operation is stopped by interrupting the communication between the cannula 18 and the tank 3 and controlling the actuator 16 in order to place the main shutter 15 in the closed position ( Fig. 7 and 9 ).
  • the shutter 15 closes the filling tube 8 and the shutter B is placed in the closed position of the communication circuit 22.
  • the shutter A of the leakage circuit 12 for the container is placed in position d opening for balancing the pressure inside the container 2 with the outside, thereby allowing the container 2 to withdraw from the seat 9 , without suction phenomenon.
  • the container 2 can then be removed from the lower end of the filling duct 8.
  • the shutter A goes into closed position while the shutters B and C remain in the closed position. In this position, it should be noted that part of the cannula 18 contains liquid which will be discharged into a subsequent container as explained above.
  • the object of the invention thus makes it possible to fill and level a container quickly without using a vacuum or a vacuum pump.
  • the filling level is effected by pressure equilibrium when the liquid level reaches the filling tube.
  • the method according to the invention offers the advantage of being faster than the previous methods, in particular because of a rapid initiation phase during which the cannula 18 is effectively discharged, contributing to a rapid flow of the liquid. , communicating with leaks 13 , 25. Moreover, filling in flow mode and gravity mode also saves on the filling time. In addition to the gain in terms of filling speed, this technique limits the volume to be recirculated, which reduces the risks that may affect the quality of the liquid. Furthermore, the main shutter 15 of the filling tube is controlled in opening / closing, independently of the introduction and withdrawal movements of the container 2 relative to the filling tube, to control by the control circuit 14 , the recirculation liquid.

Landscapes

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

Description

L'objet de l'invention concerne le domaine technique du remplissage de récipients de tout type connu en soi tels qu'en verre ou en matière plastique, à l'aide d'un fluide de remplissage de toute nature.The object of the invention relates to the technical field of filling containers of any type known per se such as glass or plastic, using a filling fluid of any kind.

Dans l'état de la technique, il a été proposé de nombreuses solutions pour remplir et mettre à niveau un liquide à l'intérieur de récipients.In the state of the art, many solutions have been proposed for filling and leveling a liquid inside containers.

Par exemple, le brevet US 1 978 002 décrit, une machine de remplissage comportant une cuve de stockage d'un liquide de remplissage. Cette cuve de stockage est reliée à une et de manière générale, à une série de têtes de remplissage à chacune desquelles les récipients sont successivement amenés puis enlevés après remplissage. Chaque tête de remplissage comporte un tube de remplissage traversant un siège d'appui pour le goulot du récipient. Le tube est destiné à pénétrer à l'intérieur du récipient et comporte intérieurement une canule de décharge permettant de récupérer l'air chassé de l'intérieur du récipient par le liquide de remplissage. Le vide est maintenu à l'intérieur de la cuve de stockage pour assurer l'écoulement du liquide à partir de l'extrémité du tube de remplissage. Lorsque le liquide atteint l'extrémité inférieure du tube de remplissage, le liquide passe par la canule de décharge pour être amené jusqu'à la cuve ou à un récipient de stockage. Le niveau du liquide à l'intérieur du récipient est déterminé par l'extrémité inférieure du tube de remplissage.For example, the patent US 1,978,002 described, a filling machine comprising a tank for storing a filling liquid. This storage tank is connected to one and generally to a series of filling heads to each of which the containers are successively brought and removed after filling. Each filling head comprises a filling tube passing through a support seat for the neck of the container. The tube is intended to penetrate inside the container and internally comprises a discharge cannula for recovering the air expelled from inside the container by the filling liquid. The vacuum is maintained within the storage tank to ensure liquid flow from the end of the fill tube. When the liquid reaches the lower end of the filler tube, the liquid flows through the discharge cannula to the vessel or storage vessel. The level of the liquid inside the container is determined by the lower end of the filler tube.

Il doit tout d'abord être considéré que le remplissage de récipients utilisant le vide est susceptible d'affecter la qualité du liquide de remplissage en raison de l'aération du liquide. De plus, la qualité du liquide est aussi affecter par la recirculation du liquide qui se produit en présence du récipient sur le siège de réception et même en l'absence du récipient, avec un débit de recirculation plus faible. Par ailleurs, il apparaît que l'opération de remplissage s'avère en pratique notamment en fin d'opération de remplissage, relativement longue compte tenu de la création de bulles ou de mousse rendant difficile la mise à niveau du liquide.It must first be considered that the filling of containers using the vacuum is likely to affect the quality of the filling liquid due to the aeration of the liquid. In addition, the quality of the liquid is also affected by the recirculation of the liquid that occurs in the presence of the container on the receiving seat and even in the absence of the container, with a lower recirculation rate. Moreover, it appears that the filling operation is in practice in particular at the end of the filling operation, relatively long given the creation of bubbles or foam making it difficult to level the liquid.

Le document DE 11 85 497 décrit une technique de remplissage de récipients à l'aide d'un liquide de remplissage stocké dans une cuve régulée en pression et délivré à l'aide d'au moins une tête de remplissage comportant un tube de remplissage traversant un siège d'appui pour le récipient et muni d'un obturateur principal pour autoriser ou interrompre le passage du liquide de remplissage. Le tube de remplissage comporte intérieurement une canule de décharge et délimite extérieurement avec le siège d'appui, un passage de communication avec un circuit pour une fuite régulée pour le récipient équipé d'un obturateur commandé en ouverture et fermeture. La canule de décharge est reliée par des obturateurs commandés soit à un circuit de fuite régulé pour la canule, soit à un circuit de communication avec la cuve permettant le remplissage du récipient en mode gravitaire. L'obturateur du tube de remplissage est piloté par un actionneur commandé.The document DE 11 85 497 describes a technique for filling containers with a filling liquid stored in a regulated tank pressure and delivered using at least one filling head having a filling tube passing through a support seat for the container and provided with a main shutter to allow or interrupt the passage of the filling liquid. The filling tube internally comprises a discharge cannula and delimits externally with the support seat, a communication passage with a circuit for controlled leakage for the container equipped with a shutter controlled opening and closing. The discharge cannula is connected by shutters controlled either to a regulated leakage circuit for the cannula, or to a communication circuit with the tank for filling the container in gravity mode. The shutter of the filling tube is controlled by a controlled actuator.

La mise en oeuvre de la technique décrite par ce document conduit à une opération de remplissage relativement longue compte tenu notamment de la création de bulles ou de mousse en fin d'opération de remplissage.The implementation of the technique described in this document leads to a relatively long filling operation, particularly in view of the creation of bubbles or foam at the end of the filling operation.

Le document DE 11 85 497 B divulgue un procédé de remplissage de récipients et une machine de remplissage de récipients selon les préambules des revendications 1 et 5 respectivement.The document DE 11 85 497 B discloses a method of filling containers and a container filling machine according to the preambles of claims 1 and 5 respectively.

La présente invention vise donc à remédier aux inconvénients de l'état de la technique en proposant une nouvelle technique de remplissage n'ayant pas recours au vide et permettant un remplissage et une mise à niveau rapide, tout en présentant une recirculation du liquide limitée et contrôlée, indépendante de l'amenée du récipient.The present invention therefore aims to overcome the drawbacks of the state of the art by proposing a new filling technique that does not use vacuum and allows filling and rapid leveling, while having limited liquid recirculation and controlled, independent of the supply of the container.

Pour atteindre un tel objectif, l'objet de l'invention concerne un procédé de remplissage de récipients à l'aide d'un liquide de remplissage stocké dans une cuve régulée en pression et délivré à l'aide d'au moins une tête de remplissage comportant un tube de remplissage traversant un siège d'appui pour le récipient et muni d'un obturateur principal pour autoriser ou interrompre le passage du liquide de remplissage, le tube de remplissage comportant intérieurement, une canule de décharge, reliée soit à un circuit de fuite régulée, soit à un circuit de communication avec la cuve.To achieve such an object, the object of the invention relates to a method of filling containers with a filling liquid stored in a pressure-regulated tank and delivered using at least one head of filling comprising a filling tube passing through a support seat for the container and provided with a main shutter to allow or interrupt the passage of the filling liquid, the filling tube comprising internally, a discharge cannula, connected to a circuit controlled leakage, either to a communication circuit with the tank.

Selon l'invention, le procédé comporte les étapes suivantes pour le remplissage d'un récipient :

  • après l'engagement du tube de remplissage à l'intérieur du récipient, à laisser le circuit de communication entre la canule de décharge et la cuve en position fermée, à ouvrir l'obturateur principal du tube pour assurer le remplissage par le liquide, du récipient en mode flux régulé, et à créer d'une part une fuite pour le récipient et d'autre part, une fuite pour la canule.
  • avant la fin du remplissage, à fermer les fuites et à mettre en communication la canule de décharge avec la cuve pour assurer le remplissage par le liquide, du récipient en mode gravitaire,
  • à la fin du remplissage lorsque le liquide atteint un niveau déterminé du tube de remplissage, à fermer l'obturateur du tube de remplissage, à fermer la communication entre la canule de décharge et la cuve et à créer une fuite pour l'intérieur du récipient pour autoriser l'enlèvement du récipient par rapport à la tête de remplissage.
According to the invention, the method comprises the following steps for filling a container:
  • after the filling tube has been engaged inside the container, to leave the communication circuit between the discharge cannula and the tank in the closed position, to open the main obturator of the tube to ensure filling by the liquid, the container in regulated flow mode, and on the one hand to create a leak for the container and on the other hand, a leak for the cannula.
  • before the end of filling, to close the leaks and to connect the discharge cannula with the tank to ensure the filling by the liquid, the container in gravity mode,
  • at the end of the filling when the liquid reaches a specified level of the filling tube, closing the filler tube shutter, closing the communication between the discharge cannula and the vessel and creating a leak for the interior of the container to allow removal of the container from the filling head.

De plus, le procédé selon l'invention comporte en outre en combinaison au moins l'une et/ou l'autre des caractéristiques additionnelles suivantes :

  • fermer l'obturateur principal du tube de remplissage et la communication entre la cuve et la canule de décharge lorsqu'un volume résiduel de liquide de remplissage est confiné à l'intérieur de la canule,
  • créer les fuites pour le récipient et pour la canule simultanément pour assurer notamment le vidage du volume résiduel de liquide de remplissage placé à l'intérieur de la canule et assurer l'amorçage du remplissage,
  • piloter l'ouverture et la fermeture de l'obturateur du tube de remplissage indépendamment des mouvements d'introduction et de retrait du tube de remplissage par rapport au récipient.
In addition, the method according to the invention further comprises in combination at least one and / or the following additional characteristics:
  • closing the main shutter of the filling tube and the communication between the tank and the discharge cannula when a residual volume of filling liquid is confined inside the cannula,
  • creating leaks for the container and for the cannula simultaneously to ensure in particular the emptying of the residual volume of filling liquid placed inside the cannula and ensure priming of the filling,
  • controlling the opening and closing of the shutter of the filling tube independently of the movements of introduction and withdrawal of the filling tube relative to the container.

Un autre objet de l'invention est de proposer une machine de remplissage de récipients à l'aide d'un liquide de remplissage, comportant :

  • une cuve de stockage d'un liquide de remplissage maintenu à une pression de régulation,
  • au moins une tête de remplissage comportant chacune un tube de remplissage traversant un siège d'appui pour le récipient et muni d'un obturateur principal pour autoriser ou interrompre le passage du liquide de remplissage, le tube de remplissage comportant intérieurement une canule de décharge.
Another object of the invention is to propose a machine for filling containers with a filling liquid, comprising:
  • a tank for storing a filling liquid maintained at a regulating pressure,
  • at least one filling head each comprising a filling tube passing through a support seat for the container and provided with a main shutter to allow or interrupt the passage of the filling liquid, the filling tube internally comprising a discharge cannula.

Selon l'invention :

  • chaque tube de remplissage délimite extérieurement avec le siège d'appui, un passage de communication avec un circuit pour une fuite régulée pour le récipient, équipé d'un obturateur commandé en ouverture et fermeture,
  • chaque canule de décharge est reliée par des obturateurs commandés soit à un circuit de fuite régulée pour la canule, soit à un circuit de communication avec la cuve permettant le remplissage du récipient en mode gravitaire,
  • chaque obturateur du tube de remplissage est piloté par un actionneur commandé par un circuit de commande,
  • le circuit de commande étant relié aux différents obturateurs et actionneurs pour :
    • lors de la phase de remplissage initiale, ouvrir l'obturateur du tube de remplissage, l'obturateur commandé du circuit de fuite pour le récipient, l'obturateur équipant le circuit de fuite relié à la canule de décharge et fermer le circuit de communication entre la cuve communiquant et la canule de décharge,
    • avant la fin du remplissage, fermer l'obturateur commandé du circuit de fuite pour le récipient, l'obturateur équipant le circuit de fuite relié à la canule de décharge et ouvrir le circuit de communication avec la cuve pour assurer le remplissage du récipient en mode gravitaire,
    • à la fin du remplissage, piloter l'actionneur pour fermer le tube de remplissage et ouvrir l'obturateur commandé du circuit de fuite pour le récipient.
According to the invention:
  • each filling tube delimits externally with the support seat, a communication passage with a circuit for regulated leakage for the container, equipped with a shutter controlled in opening and closing,
  • each discharge cannula is connected by shutters controlled either to a regulated leakage circuit for the cannula, or to a communication circuit with the tank for filling the container in a gravity mode,
  • each shutter of the filling tube is controlled by an actuator controlled by a control circuit,
  • the control circuit being connected to the different shutters and actuators for:
    • during the initial filling phase, open the shutter of the filling tube, the controlled shutter of the leak circuit for the container, the shutter equipping the leakage circuit connected to the discharge cannula and closing the communication circuit between the communicating tank and the discharge cannula,
    • before the end of the filling, close the controlled shutter of the leak circuit for the container, the shutter equipping the leakage circuit connected to the discharge cannula and open the communication circuit with the tank to ensure the filling of the container in the gravity,
    • at the end of filling, pilot the actuator to close the filler tube and open the controlled shutter of the leak circuit for the container.

De plus, la machine selon l'invention peut présenter en outre en combinaison au moins l'une et/ou l'autre des caractéristiques additionnelles suivantes :

  • l'obturateur principal du tube de remplissage est monté à l'extrémité d'une canule montée à l'intérieur du tube de remplissage et se trouve conformé pour venir en position d'obturation, coopérer de manière étanche avec l'extrémité inférieure du tube de remplissage,
  • l'obturateur principal du tube de remplissage est porté par la canule pour coopérer avec un siège aménagé à l'intérieur du tube, à proximité de son extrémité supérieure.
In addition, the machine according to the invention may additionally have in combination at least one and / or the following additional characteristics:
  • the main shutter of the filling tube is mounted at the end of a cannula mounted inside the filling tube and is shaped to come into sealing position, sealingly cooperate with the lower end of the tube filling,
  • the main shutter of the filling tube is carried by the cannula to cooperate with a seat arranged inside the tube, near its upper end.

Diverses autres caractéristiques ressortent de la description faite ci-dessous en référence aux dessins annexés qui montrent, à titre d'exemples non limitatifs, des formes de réalisation de l'objet de l'invention.

  • La Figure 1 est une vue schématique de la machine de remplissage conforme à l'invention avant engagement du récipient sur la tête de remplissage.
  • La Figure 2 est une vue de la machine de remplissage après l'engagement d'un récipient sur la tête de remplissage, en attente de remplissage du récipient par le liquide.
  • La Figure 3 illustre la machine de remplissage montrant le début de la phase de remplissage en flux d'un récipient.
  • La Figure 4 illustre la machine de remplissage à la fin de la phase de remplissage en flux du récipient.
  • La Figure 5 illustre la machine de remplissage dans une première phase de fin de remplissage dit en mode gravitaire.
  • La Figure 6 est une vue de la machine de remplissage lors d'une deuxième phase de fin de remplissage dit en mode gravitaire.
  • La Figure 7 est une vue de la machine de remplissage en phase d'arrêt du remplissage.
  • La Figure 8 illustre la machine de remplissage après le retrait du récipient rempli.
  • La Figure 9 est une vue de détail du tube de décharge en position fermée.
  • La Figure 10 est une vue de détail du tube de décharge en position d'ouverture.
  • La Figure 11 est une vue schématique montrant une autre variante de réalisation du contrôle de l'obturation du tube de remplissage de la machine de remplissage conforme à l'invention.
Various other characteristics appear from the description given below with reference to the accompanying drawings which show, by way of non-limiting examples, embodiments of the subject of the invention.
  • The Figure 1 is a schematic view of the filling machine according to the invention before engagement of the container on the filling head.
  • The Figure 2 is a view of the filling machine after the engagement of a container on the filling head, waiting for filling the container with the liquid.
  • The Figure 3 illustrates the filling machine showing the beginning of the flow filling phase of a container.
  • The Figure 4 illustrates the filling machine at the end of the flow filling phase of the container.
  • The Figure 5 illustrates the filling machine in a first phase of end of filling said gravity mode.
  • The Figure 6 is a view of the filling machine during a second phase of end of filling said gravity mode.
  • The Figure 7 is a view of the filling machine in the stop phase of the filling.
  • The Figure 8 illustrates the filling machine after removal of the filled container.
  • The Figure 9 is a detail view of the discharge tube in the closed position.
  • The Figure 10 is a detail view of the discharge tube in the open position.
  • The Figure 11 is a schematic view showing another alternative embodiment of the control of the closure of the filling tube of the filling machine according to the invention.

Tel que cela ressort plus précisément de la Fig. 1 , l'objet de l'invention concerne une machine 1 destinée à remplir à l'aide d'un liquide 1, un récipient 2 à un niveau déterminé. Le récipient 2 peut être de toute nature comme par exemple en matière plastique ou en verre. De même, le liquide 1 peut être de toute nature te! que par exemple, visqueux, alcoolisé, sucré, carbonaté, aromatisé, coloré, avec ou sans particules, etc.As is more particularly apparent from the Fig. 1 The object of the invention concerns a machine 1 for filling with a liquid 1, a container 2 at a predetermined level. The container 2 can be of any kind such as plastic or glass. Similarly, the liquid 1 can be of any kind you! for example, viscous, alcoholic, sweet, carbonated, flavored, colored, with or without particles, etc.

La machine de remplissage I comporte une cuve de stockage 3 pour le liquide 1, maintenue à une pression de régulation par tous moyens appropriés 4 tels que par exemple par un régulateur de pression.The filling machine I comprises a storage tank 3 for the liquid 1 , maintained at a control pressure by any appropriate means 4 such as for example by a pressure regulator.

La machine de remplissage I comporte également au moins une et d'une manière générale, plusieurs têtes de remplissage 6 adaptées pour remplir chacune un récipient 2 par le liquide 1. Après son remplissage, chaque récipient 2 est évacué et remplacé par un nouveau récipient en vue de son remplissage. Les moyens de manutention des récipients 2 ne sont pas décrits plus précisément car ils sont bien connus de l'homme du métier et ne font pas partie précisément de invention. De même, la machine de remplissage I n'est pas décrite plus précisément car elle peut prendre différentes formes ou configurations en fonction en particulier du nombre de têtes de remplissage 6. Selon la description qui suit, seul le fonctionnement d'une tête de remplissage 6 est décrit, mais il clair que l'objet de l'invention peut s'appliquer à une machine comportant une série de têtes de remplissage par exemple distribuées selon une ligne ou à sa périphérie afin de réaliser la machine sous la forme d'un carrousel.The filling machine I also comprises at least one and in general, a plurality of filling heads 6 adapted to each fill a container 2 with the liquid 1 . After filling, each container 2 is evacuated and replaced by a new container for filling. The handling means of the containers 2 are not described more precisely because they are well known to those skilled in the art and are not part of the invention. Similarly, the filling machine I is not described more precisely because it can take different forms or configurations depending in particular on the number of filling heads 6. According to the description that follows, only the operation of a filling head 6 is described, but it is clear that the object of the invention can be applied to a machine comprising a series of filling heads, for example distributed along a line or at its periphery in order to produce the machine in the form of a machine. carousel.

Chaque tête de remplissage 6 comporte un tube de remplissage 8 communiquant avec la cuve de stockage 3. Le tube de remplissage 8 traverse un siège d'appui 9 pour le récipient 2 et en particulier pour le goulot 21 du récipient. Le tube 8 s'étend ainsi en saillie à partir du siège d'appui 9 de sorte que son extrémité inférieure 81 s'étend en dessous du siège d'appui 9. Le déplacement ascendant du récipient 2 permet l'introduction du tube 8 par son extrémité inférieure 81 , à l'intérieur du récipient 2 ( Fig. 2). Dans l'exemple illustré, le tube de remplissage 8 est un tube rigide relié directement à la cuve 3. Bien entendu, le tube de remplissage 8 peut être déporté par rapport à la cuve 3 en étant réalisé de manière rigide ou souple.Each filling head 6 comprises a filling tube 8 communicating with the storage tank 3. The filling tube 8 passes through a support seat 9 for the container 2 and in particular for the neck 2 1 of the container. The tube 8 thus protrudes from the support seat 9 so that its lower end 8 1 extends below the support seat 9. The upward movement of the container 2 allows the introduction of the tube 8 by its lower end 8 1 , inside the container 2 ( Fig. 2 ). In the illustrated example, the filling tube 8 is a rigid tube connected directly to the tank 3. Of course, the tube of filling 8 can be offset relative to the tank 3 being made rigidly or flexible.

Selon une caractéristique avantageuse de l'invention, le siège d'appui 9 et le tube de remplissage 8 sont mobiles verticalement l'un par rapport à l'autre afin de pouvoir régler la hauteur entre l'extrémité inférieure 81 du tube et le siège 9. En effet, comme cela sera explicité dans la suite de la description, l'extrémité inférieure 81 du tube 8 définit le niveau de remplissage du liquide à l'intérieur du récipient 2 de sorte que le réglage de la position de l'extrémité inférieure 81 du tube par rapport au siège 9 permet de régler le niveau de remplissage du liquide à l'intérieur du récipients De préférence, le siège 9 est monté coulissant selon la direction verticale par rapport au tube de remplissage.According to an advantageous characteristic of the invention, the support seat 9 and the filling tube 8 are vertically movable with respect to each other in order to be able to adjust the height between the lower end 8 1 of the tube and the seat 9. Indeed, as will be explained in the following description, the lower end 8 1 of the tube 8 defines the level of filling of the liquid inside the container 2 so that the adjustment of the position of the the lower end 8 of tube 1 relative to the seat 9 adjusts the liquid fill level within the container preferably, the seat 9 is slidably mounted in the vertical direction relative to the filler tube.

Le tube de remplissage 8 délimite avec le siège d'appui 9, un passage 11 de communication avec un circuit de fuite régulée 12. Ce circuit de fuite régulée 12 pour le récipient comporte un premier obturateur commandé tel qu'un obturateur A comme par exemple une vanne assurant couverture ou la fermeture de ce circuit de fuite régulée 12. Dans l'exemple, illustré, lorsque l'obturateur A est en position d'ouverture, le récipient 2 communique avec une fuite 13 pour le récipient qui dans l'exemple illustré est une sortie à l'air libre. L'obturateur A est piloté en ouverture et en fermeture par l'intermédiaire d'un circuit de commande 14. The filling tube 8 delimits with the support seat 9, a passage 11 of communication with a regulated leakage circuit 12 . This regulated leakage circuit 12 for the container comprises a first controlled shutter such as a shutter A, for example a valve ensuring cover or the closure of this regulated leakage circuit 12. In the example illustrated, when the shutter A is in the open position, the container 2 communicates with a leak 13 for the container which in the example shown is an outlet in the open air. The shutter A is controlled in opening and closing by means of a control circuit 14.

De manière avantageuse, le siège d'appui 9 comporte un joint d'appui 91 pour le goulot 21 du récipient de manière à obtenir une étanchéité entre le récipient 2 et le siège d'appui 9. Ainsi, en position d'appui sur le siège 9, le récipient 2 est apte à communiquer uniquement avec le circuit de fuite régulée 12 et l'intérieur du tube de remplissage 8. Advantageously, the support seat 9 comprises a support gasket 9 1 for the neck 2 1 of the container so as to obtain a seal between the container 2 and the support seat 9. Thus, in the support position on the seat 9, the container 2 is able to communicate only with the regulated leakage circuit 12 and the inside of the filling tube 8.

Le tube de remplissage 8 est muni d'un obturateur principal 15 permettant d'ouvrir ou de fermer le tube afin d'autoriser la sortie du liquide par le tube ou d'interdire la sortie du liquide provenant de la cuve 3. Cet obturateur principal 15 du tube 8 est piloté en ouverture et en fermeture par l'intermédiaire d'un actionneur 16 commandé par le circuit de commande 14. Dans l'exemple illustré, l'obturateur principal 15 est déplacé selon une direction verticale par l'actionneur 16 en vue d'occuper une position d'obturation illustrée par exemple aux Fig. 1 et 9 et une position d'ouverture illustrée aux Fig. 3 et 10 dans laquelle le liquide 1 provenant de la cuve 3 s'écoule librement à partir de l'extrémité inférieure 81 du tube 8. The filling tube 8 is provided with a main shutter 15 making it possible to open or close the tube in order to allow the liquid to exit from the tube or to prevent the liquid from coming out of the tank 3 from leaving . This main shutter 15 of the tube 8 is controlled in opening and closing via an actuator 16 controlled by the control circuit 14. In the example shown, the main shutter 15 is moved in a vertical direction by the actuator 16 to occupy a closed position illustrated for example in FIGS. Fig . 1 and 9 and an open position illustrated to Fig. 3 and 10 in which the liquid 1 coming from the tank 3 flows freely from the lower end 8 1 of the tube 8.

Dans l'exemple de réalisation illustré aux Fig. 1 à 9 , l'obturateur principal 15 est monté à l'extrémité d'un tube ou canule 18 monté à l'intérieur du tube de remplissage 8. Dans l'extrémité illustrée, l'obturateur principal 15 est monté à l'extrémité de la canule 18 et se trouve conformé pour venir en position d'obturation, coopérer de manière étanche avec l'extrémité inférieure 81 du tube 8 ( Fig. 1 ) formant le siège de l'obturateur.In the exemplary embodiment illustrated in Fig . 1 to 9 , the main shutter 15 is mounted at the end of a tube or cannula 18 mounted inside the filling tube 8 . In the end illustrated, the main shutter 15 is mounted at the end of the cannula 18 and is shaped to come into the closed position, sealingly engaging with the lower end 8 1 of the tube 8 ( Fig. 1 ) forming the seat of the shutter.

En position d'obturation, l'actionneur 16 maintient la canule 18 en position haute ( Fig. 9 ) pour assurer le contact entre l'obturateur principal 15 et le tube 8. Le déplacement vers le bas de la canule 18 par l'actionneur 16 selon une course limitée par exemple de quelques mm ( Fig. 10 ) permet de dégager l'obturateur principal 15 par rapport au tube 8, assurant la sortie du liquide 1 à travers l'extrémité inférieure 81 du tube 8 ( Fig. 3 ). Il est à noter que l'obturateur principal 15 est aménagé pour présenter une forme de déflecteur pour assurer le guidage du liquide à l'intérieur du récipient 2. Selon une caractéristique avantageuse de l'invention, la canule 18 constitue une canule de décharge délimitant intérieurement, un circuit de circulation 181 pour le liquide et pour l'air comme cela sera décrit dans la suite de la description.In the closed position, the actuator 16 holds the cannula 18 in the up position ( Fig. 9 ) to ensure contact between the main shutter 15 and the tube 8. The downward movement of the cannula 18 by the actuator 16 in a limited stroke for example of a few mm ( Fig. 10 ) makes it possible to disengage the main shutter 15 with respect to the tube 8, ensuring the exit of the liquid 1 through the lower end 8 1 of the tube 8 ( Fig. 3 ). It should be noted that the main shutter 15 is arranged to have a deflector shape for guiding the liquid inside the container 2. According to an advantageous characteristic of the invention, the cannula 18 constitutes a discharge cannula delimiting internally, a circulation circuit 18 1 for the liquid and for the air as will be described in the following description.

Bien entendu, le contrôle de la circulation du liquide sortant du tube 8 peut être assuré de toute manière appropriée. Dans l'exemple illustré aux Fig. 1 à 9 , l'obturateur principal 15 ferme ou ouvre extrémité 81 du tube 8. La Fig. 11 illustre un autre exemple de réalisation dans lequel l'obturateur principal 15 est aménagé à l'intérieur du tube 8, à proximité de son extrémité supérieure. Selon cet exemple, l'intérieur du tube de remplissage 8 est aménagé pour comporter un siège 151 sur lequel vient coopérer l'obturateur principal 15 porté par la canule 18. L'extrémité de la canule 18 est équipée d'un déflecteur 182 pour le liquide sortant du tube de remplissage 8. Of course, the control of the circulation of the liquid leaving the tube 8 can be ensured in any appropriate manner. In the example shown in Fig. 1 to 9 , the main shutter 15 closes or opens end 8 1 of the tube 8. The Fig. 11 illustrates another embodiment in which the main shutter 15 is arranged inside the tube 8, near its upper end. According to this example, the inside of the filling tube 8 is arranged to include a seat 15 1 on which is engaged the main shutter 15 carried by the cannula 18 . The end of the cannula 18 is equipped with a deflector 18 2 for the liquid coming out of the filling tube 8.

Dans les exemples décrits, l'obturateur principal 15 se déplace verticalement mais il est clair que l'obturateur principal 15 peut posséder un mouvement de déplacement différent tel que tournant ou pivotant. Dans le même sens, l'actionneur 16 peut être de tous types connus adaptés aux types d'obturateurs. Sur les dessins, l'actionneur 16 agit directement sur l'extrémité de la canule. 18 pour assurer son déplacement vertical. Bien entendu, l'actionneur 16 peut agir sans contact sur la canule 18, en tous endroits appropriés pour assurer son déplacement.In the examples described, the main shutter 15 moves vertically but it is clear that the main shutter 15 may have a different movement movement such as turning or pivoting. In the same direction, the actuator 16 may be of any known type adapted to the types of shutters. In the drawings, the actuator 16 acts directly on the end of the cannula. 18 to ensure its vertical movement. Of course, the actuator 16 can act without contact on the cannula 18, in all appropriate places to ensure its displacement.

Selon une caractéristique avantageuse de réalisation, la canule de décharge 18 comporte à son extrémité inférieure, une ouverture de passage 19 débouchant à l'extrémité inférieure 81 du tube de remplissage 8. According to an advantageous characteristic of embodiment, the discharge cannula 18 comprises at its lower end, a through opening 19 opening at the lower end 8 1 of the filling tube 8.

Selon une caractéristique de l'invention, la canule de décharge 18 est reliée soit à un circuit de fuite régulée 21, soit à un circuit 22 de communication avec la cuve 3. Le circuit de communication 22 et le circuit de fuite régulée 21 pour la canule 18 sont reliés à un circuit commun 23 de raccordement avec le circuit de circulation 181 délimité par la canule 18 et débouchant par l'ouverture de passage 19.According to one characteristic of the invention, the discharge cannula 18 is connected either to a regulated leakage circuit 21 or to a circuit 22 for communication with the tank 3. The communication circuit 22 and the regulated leak circuit 21 for the cannula 18 are connected to a common circuit 23 for connection with the circulation circuit 18 1 delimited by the cannula 18 and opening through the passage opening 19 .

Le circuit de communication 22 est équipé d'un deuxième obturateur ou obturateur B tel qu'une vanne dont le fonctionnement est piloté par le circuit de commande 14. En position d'ouverture de l'obturateur B, la canule 18 communique avec la cuve 3 permettant d'équilibrer les pressions entre celle régnant à l'intérieur du récipient 2 et la pression interne de la cuve 3. Cette mise en communication permet comme cela sera expliqué dans la suite de la description, de ralentir l'écoulement du liquide à partir du tube 8 en vue d'obtenir un remplissage en mode gravitaire,The communication circuit 22 is equipped with a second shutter or shutter B such as a valve whose operation is controlled by the control circuit 14. In the open position of the shutter B, the cannula 18 communicates with the tank 3 to balance the pressures between the one inside the container 2 and the internal pressure of the tank 3. This communication allows as will be explained in the following description, to slow the flow of liquid to from the tube 8 to obtain a filling in gravity mode,

Le circuit de fuite régulée 21 pour la canule est équipé d'un troisième obturateur ou obturateur C tel qu'une vanne dont le fonctionnement est piloté par le circuit de commande 14. Le circuit de fuite régulée 21 pour la canule permet ainsi en cas d'ouverture de l'obturateur C de mettre en communication la canule de décharge 18 avec une fuite 25 pour la canule qui dans l'exemple illustré est une sortie à l'air libre. Il est à noter que l'ouverture de passage 19 de la canule 18 est fermée uniquement si les obturateurs B et C sont en position fermée.The regulated leakage circuit 21 for the cannula is equipped with a third shutter or shutter C such as a valve whose operation is controlled by the control circuit 14. The regulated leakage circuit 21 for the cannula thus makes it possible to opening the shutter C to port the discharge cannula 18 with a leakage 25 for the cannula which in the example illustrated is an outlet in the open air. It is to highlight that the passage opening 19 of the cannula 18 is closed only if the shutters B and C are in the closed position.

Le circuit de commande 14 grâce à des moyens programmés permet de piloter, en synchronisation avec les moyens de manutention des récipients 2, l'actionneur 16 et les différents obturateurs A à C.The control circuit 14 through programmed means to control, in synchronization with the handling means of the containers 2 , the actuator 16 and the different shutters A to C.

En position d'attente de remplissage, telle qu'illustrée à la Fig. 1 , les obturateurs A, B et C sont en position fermée. L'actionneur 16 est également placé et piloté pour positionner l'obturateur principal 15 en position de fermeture du tube de remplissage 8 ( Fig. 9 ). A partir de cette position, un récipient 2 peut être amené de manière à assurer l'engagement de l'extrémité inférieure du tube 8 à l'intérieur du récipient 2. Le récipient est engagé de manière à venir en appui sur le siège d'appui 9 afin d'assurer l'étanchéité entre le goulot 21 et le siège d'appui 9 ( Fig. 2 ). Dans cette position, il est à noter d'une part qu'au moins une partie de la canule 18 contient du liquide provenant d'un remplissage précédent, et d'autre part que la cuve 3 est régulée en pression positive grâce au régulateur 4 qui permet notamment de régler la vitesse de remplissage.In the standby position of filling, as illustrated in FIG. Fig. 1 , the shutters A , B and C are in the closed position. The actuator 16 is also placed and controlled to position the main shutter 15 in the closed position of the filling tube 8 ( Fig . 9 ). From this position, a container 2 can be brought to ensure the engagement of the lower end of the tube 8 inside the container 2. The container is engaged so as to bear against the seat of support 9 to ensure the seal between the neck 2 1 and the seat 9 ( Fig. 2 ). In this position, it should be noted firstly that at least a portion of the cannula 18 contains liquid from a previous filling, and secondly that the tank 3 is regulated in positive pressure through the regulator 4 which allows in particular to adjust the filling speed.

Pour démarrer le remplissage du récipient 2, l'actionneur 16 est piloté par le circuit de commande 14 de manière à déplacer l'obturateur principal 15 afin de le placer en position d'ouverture ( Fig. 3 et 10 ). Simultanément, les obturateurs A, C sont placés en position d'ouverture tandis que l'obturateur B reste en position fermée. L'ouverture de l'obturateur principal 15 autorise le liquide à s'écouler à partir de l'extrémité libre du tube 8 à l'intérieur du récipient 2 en provenance de l'intérieur de la cuve 3. To start filling the container 2 , the actuator 16 is controlled by the control circuit 14 so as to move the main shutter 15 to place it in the open position ( Fig. 3 and 10 ). Simultaneously, the shutters A, C are placed in the open position while the shutter B remains in the closed position. The opening of the main shutter 15 allows the liquid to flow from the free end of the tube 8 inside the container 2 from inside the vessel 3.

L'ouverture de l'obturateur C permet de mettre en communication, le circuit de circulation 181 de la canule, avec la fuite 25 pour la canule. L'ouverture de l'obturateur A, simultanée à l'ouverture de l'obturateur C permet de mettre en communication, la canule 18 également avec la fuite 13 pour le récipient, favorisant ainsi le vidage du liquide présent à l'intérieur de la canule 18 et l'amorçage du remplissage du récipient 2. Par ailleurs, l'ouverture de l'obturateur A permet de mettre en communication via le passage 11, l'intérieur du récipient 2, avec la fuite 13 pour le récipient. Aussi, le liquide 1 provenant du tube 8 et pénétrant à l'intérieur du récipient 2, conduit à chasser l'air contenu dans le récipient 2. L'air chassé par le liquide rentrant dans le récipient 2 par le tube 8 est évacué par la fuite 13 pour le récipient et par la fuite 25 pour la canule.The opening of the shutter C makes it possible to put the circulation circuit 18 1 of the cannula into communication with the leak 25 for the cannula. The opening of the shutter A, simultaneously with the opening of the shutter C allows to communicate, the cannula 18 also with the leak 13 for the container, thus promoting the emptying of the liquid present inside the cannula 18 and priming the filling of the container 2. In addition, the opening of the shutter A makes it possible to put in communication via the passage 11 , the interior of the container 2 , with the leak 13 for the container. Also, the liquid 1 from the tube 8 and penetrating inside the container 2, leads to expel the air contained in the container 2. The air expelled by the liquid entering the container 2 through the tube 8 is discharged by the leak 13 for the container and the leak 25 for the cannula.

L'ouverture simultanée des obturateurs A et C favorise un amorçage du remplissage en vidant la canule 18 remplie de liquide par le précédent remplissage. La différence de pression entre la cuve 3 sous pression et le récipient 2 assure un remplissage rapide du récipient selon un mode de remplissage dit en flux ( Fig. 3 et 4 ). A cet égard, il est à noter que le récipient 2 communique à l'air libre par deux circuits (le circuit de fuite régulée 21 - fuite 25 pour la canule / le circuit de fuite régulée 12 - fuite 13 pour le récipient) contribuant à l'écoulement plus rapide du liquide à l'intérieur du récipient 2. The simultaneous opening of the shutters A and C promotes priming of the filling by emptying the cannula 18 filled with liquid by the previous filling. The pressure difference between the pressurized vessel 3 and the container 2 ensures rapid filling of the container in a so-called flow filling mode ( Fig. 3 and 4 ). In this regard, it should be noted that the container 2 communicates in the open air by two circuits (the regulated leakage circuit 21 - leakage 25 for the cannula / regulated leakage circuit 12 - leakage 13 for the container) contributing to the faster flow of the liquid inside the container 2.

Le remplissage rapide en mode flux est à même de créer de fortes turbulences à l'intérieur du récipient 2, notamment générées par la forme des parois du récipient 2. Ainsi, lorsque le niveau du liquide 1 arrive par exemple au niveau de l'épaule du récipient 2, il se forme des bulles et de la mousse.Fast filling in flow mode is able to create strong turbulence inside the container 2, in particular generated by the shape of the walls of the container 2. Thus, when the liquid level 1 arrives for example at the level of the shoulder of the container 2, bubbles and foam are formed.

Le procédé selon l'invention vise à ralentir le remplissage du récipient 2 selon le mode flux afin de contrôler la formation de cette mousse et de ces bulles et de limiter le volume de liquide à recirculer. Ce changement de mode de remplissage intervient avantageusement lorsque le niveau du liquide atteint une zone de changement de forme du récipient 2 telle que l'épaule d'une bouteille ( Fig. 4 ). The method according to the invention aims to slow down the filling of the container 2 according to the flow mode in order to control the formation of this foam and of these bubbles and to limit the volume of liquid to be recirculated. This change of filling mode advantageously occurs when the liquid level reaches a zone of change of shape of the container 2 such as the shoulder of a bottle ( Fig. 4 ).

Le procédé selon l'invention vise ainsi, avant la fin du remplissage, à passer du remplissage en mode flux à un remplissage du récipient en mode gravitaire.The method according to the invention thus aims, before the end of the filling, to switch from filling in flow mode to filling the container in gravity mode.

Le procédé de remplissage consiste ainsi avant la fin du remplissage, à fermer le circuit de fuite régulée 12 pour le récipient en pilotant la fermeture de l'obturateur A ( Fig. 5 ). Simultanément, la canule de décharge 18 n'est plus reliée au circuit de fuite régulée 21 pour la canule / fermeture de l'obturateur C) mais est mise en communication avec la cuve 3 par le circuit de communication 22. A cet effet, l'obturateur B est placé en position d'ouverture. Dans la mesure où la cuve 3 est sous pression, la pression de l'air présent dans le récipient 2 va s'équilibrer avec la pression de la cuve 3. Compte tenu de la tendance à l'équilibre de pression entre la cuve et le récipient, le liquide s'écoule moins vite à partir du tube de remplissage 8. Cette phase de fin de remplissage permet de passer du mode de remplissage dit en flux à un mode de remplissage dit en gravitaire. Ce changement de mode de remplissage a pour effet de réduire la formation de bulles puis de mousse du liquide, en ralentissant la vitesse d'écoulement du liquide à l'intérieur du récipient 2. Cette phase de fin de remplissage est poursuivie jusqu'au remplissage complet du récipient 2. A cet égard, il est à noter que le liquide continue de sortir de la cuve à travers le tube 8 pour venir s'établir jusqu'au niveau de l'extrémité inférieure 81 du tube 8. Bien entendu, le liquide ne peut pas passer au-dessus de ce niveau déterminé par l'extrémité inférieure du tube 8 et se retrouve déplacé, dans la canule 18 au maximum au niveau du liquide de la cuve 3.The filling process thus consists, before the end of the filling, in closing the regulated leakage circuit 12 for the container by controlling the closure of the shutter A ( Fig. 5 ). Simultaneously, the discharge cannula 18 is no longer connected to the regulated leakage circuit 21 for the cannula / closure of the shutter C) but is placed in communication with the tank 3 by the communication circuit 22. For this purpose, the shutter B is placed in the open position. Insofar as the tank 3 is under pressure, the pressure of the air present in the container 2 will equilibrate with the pressure of the tank 3. Given the pressure balance tendency between the tank and the container, the liquid flows less quickly from the filling tube 8. This end of filling phase allows to switch from the so-called flow filling mode to a so-called gravity filling mode. This change of filling mode has the effect of reducing the formation of bubbles and foam of the liquid, slowing the speed of flow of the liquid inside the container 2. This end of filling phase is continued until filling 2. In this regard, it should be noted that the liquid continues to exit the tank through the tube 8 to come to the level of the lower end 8 1 of the tube 8. Of course, the liquid can not pass above this level determined by the lower end of the tube 8 and is found displaced in the cannula 18 at the maximum level of the liquid of the tank 3 .

Lorsque le niveau du liquide à l'intérieur du récipient 2 a atteint l'extrémité inférieure du tube 8 et qu'au moins une partie de la canule 18 est remplie par le liquide 1 au maximum au niveau du liquide de la cuve 3, l'opération de remplissage est arrêtée. L'opération de remplissage est arrêtée en interrompant la communication entre la canule 18 et la cuve 3 et en pilotant l'actionneur 16 afin de placer l'obturateur principal 15 en position de fermeture ( Fig. 7 et 9 ). Dans cette position, l'obturateur 15 ferme le tube de remplissage 8 et l'obturateur B est placé en position de fermeture du circuit de communication 22. Avantageusement, l'obturateur A du circuit de fuite 12 pour le récipient est placé en position d'ouverture permettant d'équilibrer la pression qui se trouve à l'intérieur du récipient 2 avec l'extérieur, autorisant ainsi le retrait du récipient 2 par rapport au siège 9, sans phénomène de succion.When the level of the liquid inside the container 2 has reached the lower end of the tube 8 and at least a portion of the cannula 18 is filled by the liquid 1 at the maximum level of the liquid of the tank 3, the filling operation is stopped. The filling operation is stopped by interrupting the communication between the cannula 18 and the tank 3 and controlling the actuator 16 in order to place the main shutter 15 in the closed position ( Fig. 7 and 9 ). In this position, the shutter 15 closes the filling tube 8 and the shutter B is placed in the closed position of the communication circuit 22. Advantageously, the shutter A of the leakage circuit 12 for the container is placed in position d opening for balancing the pressure inside the container 2 with the outside, thereby allowing the container 2 to withdraw from the seat 9 , without suction phenomenon.

Tel que cela ressort plus précisément de la Fig. 8 , le récipient 2 peut alors être retiré de l'extrémité inférieure du conduit de remplissage 8. L'obturateur A passe en position fermée tandis que les obturateurs B et C restent en position fermée. Dans cette position, il est à noter qu'une partie de la canule 18 contient du liquide qui sera déversé dans un récipient ultérieur comme expliqué précédemment.As is more particularly apparent from the Fig. 8 , the container 2 can then be removed from the lower end of the filling duct 8. The shutter A goes into closed position while the shutters B and C remain in the closed position. In this position, it should be noted that part of the cannula 18 contains liquid which will be discharged into a subsequent container as explained above.

L'objet de l'invention permet ainsi de remplir et mettre à niveau un récipient, rapidement sans utiliser de vide ou une pompe à vide. Le niveau de remplissage est effectué par équilibre de pression lorsque le niveau de liquide atteint le tube de remplissage.The object of the invention thus makes it possible to fill and level a container quickly without using a vacuum or a vacuum pump. The filling level is effected by pressure equilibrium when the liquid level reaches the filling tube.

Le procédé selon l'invention offre l'avantage d'être plus rapide que les procédés antérieurs notamment en raison d'une phase d'amorçage rapide au cours de laquelle la canule 18 est déchargée de manière efficace, contribuant à un écoulement rapide du liquide, communiquant avec des fuites 13, 25. Par ailleurs, le remplissage en mode flux puis en mode gravitaire permet également de gagner sur le temps de remplissage. Outre le gain en termes de vitesse de remplissage, cette technique limite le volume devant être mis en recirculation, ce qui réduit les risques susceptibles d'affecter la qualité du liquide. Par ailleurs, l'obturateur principal 15 du tube de remplissage est piloté en ouverture / fermeture, indépendamment des mouvements d'introduction et de retrait du récipient 2 par rapport au tube de remplissage, permettant de contrôler par le circuit de commande 14, la recirculation du liquide.The method according to the invention offers the advantage of being faster than the previous methods, in particular because of a rapid initiation phase during which the cannula 18 is effectively discharged, contributing to a rapid flow of the liquid. , communicating with leaks 13 , 25. Moreover, filling in flow mode and gravity mode also saves on the filling time. In addition to the gain in terms of filling speed, this technique limits the volume to be recirculated, which reduces the risks that may affect the quality of the liquid. Furthermore, the main shutter 15 of the filling tube is controlled in opening / closing, independently of the introduction and withdrawal movements of the container 2 relative to the filling tube, to control by the control circuit 14 , the recirculation liquid.

Claims (7)

  1. A method of filling containers (2) with a filler liquid (1) stored in a pressure regulated vessel (3) and delivered via at least one filler head (6) comprising a filler tube (8) passing through a bearing seat (9) for the container (2) and provided with a main shutter (15) to allow or interrupt the passage of filler liquid, the filler tube (8) including internally a discharge cannula (18), connected either to a regulated vent circuit (21) or to a communication circuit (22) with the vessel (3),the method being characterized in that it comprises the following steps for filling a container:
    · after engaging the filler tube (8) inside the container (2), leaving the communication circuit (22) between the cannula (18) and the vessel (3) in the closed position, opening the main shutter (15) of the tube in order to fill the container (2) with the liquid in regulated stream mode, and creating both a vent (13) for the container and also a vent (25) for the cannula (18), before the end of filling, closing the vents (13, 25) and putting the discharge cannula (18) into communication with the vessel (3) in order to fill the container with the liquid in gravity mode; and
    · at the end of filling, when the liquid reaches a determined level of the filler tube (8), closing the shutter (15) of the filler tube (8), closing communication between the discharge cannula (18) and the vessel (3), and creating a vent (13) for the inside of the container so as to allow the container to be removed from the filler head (6).
  2. A method of filling according to claim 1, characterized in that it consists in closing the main shutter (15) of the filler tube (8) and establishing communication between the vessel (3) and the discharge cannula (18) when a residual volume of filler liquid is confined inside the cannula (18).
  3. A method of filling according to claim 1, characterized in that it consists in simultaneously creating the vents (13, 25) for the container and for the cannula in particular in order to empty the residual volume of filler liquid located inside the cannula (18) and in order to initiate filling.
  4. A method or filling according to claim 1, characterized in that it consists in controlling opening and closing of the shutter (15) of the filler tube (8) independently of the movements of inserting and removing the filler tube relative to the container.
  5. A filler machine for filling containers (2) with the help of a filler liquid (1), the machine comprising:
    · a vessel (3) for storing a filler liquid that is maintained at a regulated pressure;
    · at least one filler head (6), each filler head comprising a filler tube (8) passing through a bearing seat (9) for the container and provided with a main shutter (15) for allowing or interrupting the passage of the filler liquid, the filler tube including internally a discharge cannula (18),
    the machine being characterized in that:
    · each filler tube (8) together with the bearing seat defines externally a communication passage (11) communicating with a circuit (12) for a regulated vent (13) from the container, the circuit having a shutter (A) with controlled opening and closing;
    · each discharge cannula (18) is connected by controlled shutters (B, C) either to a regulated vent circuit (21) for the cannula, or to a communication circuit (22) communicating with the vessel (3) and enabling the container to be filled in gravity mode;
    · each shutter (15) of the filler tube is controlled by an actuator (16) under the control of a control circuit (14); and
    · the control circuit (14) is connected to the various shutters and actuators and being adapted for:
    · during the initial filling stage, it opens the shutter (15) of the filler tube (8), the controlled shutter (A) of the vent circuit (12) for the container, and the shutter (C) of the vent circuit (21) connected to the discharge cannula (18), and it closes the communication circuit (22) between the vessel (3) and the discharge cannula (18);
    · before the end of filling, it closes the controlled shutter (A) of the vent circuit (12) for the container, and the shutter (C) of the vent circuit (21) connected to the discharge cannula (18), and it opens the communication circuit (22) with the vessel (3) in order to fill the container in gravity mode; and
    · at the end of filling, it controls the actuator (16) to close the filler tube (8) and to open the controlled shutter (A) of the vent circuit (12) for the container.
  6. A filler machine according to claim 5, characterized in that the main shutter (15) of the filler tube (8) is mounted at the end of a cannula (18) mounted inside the filler tube (8) and is shaped so that, in the closed position, it co-operates in leaktight manner with the bottom end (81) of the filler tube (8).
  7. A filler machine according to claim 5, characterized in that the main shutter (15) of the filler tube (8) is carried by the cannula (18) to co-operate with a seat (151) arranged inside the tube (8) close to its top end.
EP13773278.0A 2012-08-24 2013-08-13 Container filling machine and method Active EP2888195B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1257984A FR2994691B1 (en) 2012-08-24 2012-08-24 METHOD AND MACHINE FOR FILLING CONTAINERS
PCT/FR2013/051936 WO2014029938A1 (en) 2012-08-24 2013-08-13 Container filling machine and method

Publications (2)

Publication Number Publication Date
EP2888195A1 EP2888195A1 (en) 2015-07-01
EP2888195B1 true EP2888195B1 (en) 2016-08-03

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US (1) US9682850B2 (en)
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FR (1) FR2994691B1 (en)
WO (1) WO2014029938A1 (en)

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Also Published As

Publication number Publication date
US20150191339A1 (en) 2015-07-09
EP2888195A1 (en) 2015-07-01
FR2994691B1 (en) 2014-09-05
FR2994691A1 (en) 2014-02-28
US9682850B2 (en) 2017-06-20
WO2014029938A1 (en) 2014-02-27

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