EP3481764B1 - Spill-limiting filling spout - Google Patents
Spill-limiting filling spout Download PDFInfo
- Publication number
- EP3481764B1 EP3481764B1 EP17735136.8A EP17735136A EP3481764B1 EP 3481764 B1 EP3481764 B1 EP 3481764B1 EP 17735136 A EP17735136 A EP 17735136A EP 3481764 B1 EP3481764 B1 EP 3481764B1
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- EP
- European Patent Office
- Prior art keywords
- valve member
- filler spout
- spout according
- valve
- actuator
- 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.)
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Classifications
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- 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
- B67C3/2608—Filling-heads; Means for engaging filling-heads with bottle necks comprising anti-dripping means
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- 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
- B67C3/20—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups
- B67C3/202—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups by weighing
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- 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
- B67C3/28—Flow-control devices, e.g. using valves
Definitions
- the present invention relates to the filling of containers with fluid or more or less viscous liquid products, frothy or not.
- the filling of containers under industrial conditions is carried out in filling installations comprising filling spouts and means for bringing the containers under the filling spouts.
- filling spouts comprising a tubular body in which are mounted a valve extending opposite a valve seat and a secondary shutter disposed in a distribution chamber downstream of the valve and connected thereto.
- a valve extending opposite a valve seat
- a secondary shutter disposed in a distribution chamber downstream of the valve and connected thereto.
- an O-ring mounted on the valve is supported on the seat and the secondary shutter is in contact with or in the vicinity of a wall of the body delimiting an outlet opening for the product at a lower end of the spout.
- An object of the invention is to provide a cleaner filling installation.
- a filling spout comprising a tubular body in which are mounted a valve extending opposite a valve seat and a secondary shutter disposed in a distribution chamber downstream of the valve and rigidly connected thereto leaving a slight clearance axial between them, a movable part of an actuator being coupled to the valve to move the latter between an extreme closed position and an extreme open position.
- the valve has an intermediate closed position and comprises a part received in a bore opening into the dispensing chamber to form a suction piston when the valve is moved from the extreme closed position to the intermediate closed position.
- valve when the valve passes from its extreme closed position to its intermediate closed position, the valve will create a vacuum in the dispensing chamber and suck the product up from the dispensing chamber.
- This arrangement allows a clean closure of the spout limiting the risk of leakage of liquid outside the spout.
- the filling spout comprises a tubular body 1 comprising three body elements 1.1, 1.2 and 1.3 coaxial and connected together by quick coupling members.
- One of the quick coupling members is visible in the figures and comprises a ring 40, internally shouldered, which receives the upper end of the body element 1.3 and is fixed by a bayonet connection to the lower end of the body element 1.2. It will be noted that the upper annular edge of the ring 40 is received in a flat groove in the lower end of the body element 1.2 and compresses therein an annular seal 41.
- the body element 1.2 contains a valve, generally designated at 11, comprising a core 12 which is mounted in a bore 1.21 of the body element 1.2 and which has an upper end projecting axially from which extends a pin 13 and a lower end projecting axially from which extends a guide rod 14.
- the core 12 comprises, towards its upper end, a cylindrical external surface 12.1 and, towards its lower end, a frustoconical external surface 12.2 whose small base is connects to the guide rod 14. Between the cylindrical external surface 12.1 and the frustoconical external surface 12.2 extends in projection an annular lip 12.3 of diameter close to the diameter of bore 1.21.
- the cylindrical external surface 12.1 of the core 12 On the external cylindrical surface 12.1 of the core 12, is mounted slightly tightened an O-ring 15 intended to be applied to a seat 1.22 formed by a shoulder surrounding the upper outlet of the cylindrical bore 1.21.
- the cylindrical external surface 12.1 of the core 12 has a length greater than the diameter of the O-ring 15 so that the O-ring 15 is mounted on this surface with an axial clearance allowing the O-ring 15 to slide along the cylindrical external surface 12.1.
- the O-ring 15 is pushed towards the annular lip 12.3 by a helical spring 16 having an upper end in abutment against a washer 17 in abutment against a shoulder of the pin 13 and a lower end in abutment against a ring 18 which is in contact with the O-ring 15 and which is mounted on the cylindrical outer surface 12.1 of the core 12 to slide.
- the ring 18 is provided with axial arms coming to bear against the washer 17. It will be noted that the ring 18 has its movement limited downwards by its coming to bear on the seat 1.22 and its movement limited upwards by the coming to rest axial arms on the washer 17.
- the displacement of the O-ring 15 makes it possible in particular to carry out a cleaning of the cylindrical external surface 12.1 of the core 12 of the valve 11.
- the guide rod 14 is provided with lateral fins 19 ensuring the centering of the guide rod 14 in the bore 1.21 while allowing the passage of the liquid.
- the body element 1.3 defines a distribution chamber containing a secondary shutter 21 which is fixed to the lower end of the guide rod 14 of the valve 11 by means of a pin 22 so as to provide an axial clearance between the valve 11 and the shutter secondary 21.
- the secondary shutter 21 has a conical lower part 23 extending opposite a conical restriction 24 surrounding an outlet orifice of the body element 1.3.
- the spout comprises a device, generally designated at 2, for controlling the valve 11.
- the control device 2 comprises a control unit 3 connected to an actuator and to a flow meter 4.
- the actuator comprises a rotary electric motor 5 mounted on a frame 6 fixed to the body element 1.1.
- the rotary electric motor 5 has an output shaft linked in rotation by a gear train to a worm 7 mounted vertically in the frame 6 to pivot.
- a nut 8 fixed in rotation is mounted on the worm 7 and connected in translation to an upper end of a control rod 9 having a lower end portion received by sliding in a sleeve 1.12 mounted coaxially in the element of body 1.1 to define a sealed enclosure isolated from the product inlet chamber 1.11 (the inlet chamber 1.11 is delimited by the body element 1.1 and is connected to the supply pipe C of the spout with filling product) .
- the lower end portion of the control rod 9 is provided with ferrite rings 10 to form an electromagnetic actuation means.
- a slider 30 is slidably received around the sleeve 1.12 which ensures precise guiding of the actuating element 3 inside the body element 1.1.
- the slide 30 is provided with annular magnetic elements to create a magnetic coupling between the slide 30 and the control rod 9.
- the ferrite rings are preferably dimensioned to exert on the slide 30 a force almost equal to the weight of the slide 30 and equipment that is his associated.
- the coupling member comprises a stirrup 36 connected to the slide 30 by connecting arms 37
- the stirrup 36 is engaged in a groove in the pin 13 with a radial clearance so that the precise sliding of the slider 30 and the precise sliding of the valve 11 in the body elements 1.1, 1.2 are not affected even if the elements of bodies 1.1 and 1.2 are not rigorously coaxial.
- the flow meter 4 is installed on the supply line C of the filling spout to allow the control unit 3 to drive the motor 5 as a function of the flow rate measured in said line.
- the filling spout will pass from a closed state to an open state before returning to a closed state.
- the filling spout Due to the axial clearance between the shutter secondary 21 and the valve 11, the filling spout has several closed states.
- the valve 11 In the first closed state of the filling spout, as illustrated by the figure 2 , the valve 11 is in its extreme closed position and the O-ring 15 is supported on the seat 1.22.
- the secondary shutter 21 is supported on the conical restriction 24 of the body element 1.3.
- This state corresponds to the filling stop: there is generally product remaining in the distribution chamber 1.31 defined by the body element 1.3 and a risk of leakage if the conical lower part 23 of the secondary shutter 21 does not is not perfectly supported against the conical restriction 24. This state is only transient.
- the electric rotary motor 5 has been ordered to raise the valve 11 to an intermediate closed position in which: the lip 12.3 remains in the bore 1.21, the O-ring 15 remains in abutment on the seat 1.22, and the secondary shutter 21 is supported on the restriction 24 of the body element 1.3.
- the displacement of the valve 11 towards its extreme open position has created a vacuum in the distribution chamber 1.31 and therefore creates a suction effect of the product remaining in the distribution chamber 1.31. This limits the risk of leakage.
- the electric rotary motor 5 is controlled to raise the valve 11 to an extreme open position, which causes the secondary shutter 21 to come off relative to the conical restriction 24 ( figure 4 ).
- the lip 12.3 reaches the O-ring 15, it takes off the O-ring 15 from the seat 1.22 allowing the passage of the product to the distribution chamber 1.31 and the spout outlet.
- the frustoconical external surface 11.2 makes it possible to regulate the flow of product by providing, with the edge of the bore 1.21, a more or less large annular passage section.
- the control unit 3 is arranged so that the filling spout delivers the product at a first flow in a phase of beginning of filling, a second flow in an intermediate phase and at a third flow in a phase of end of filling.
- the third flow is less than the first flow which is less than the second flow.
- the first and the third rate can be equal to each other.
- valve and the secondary shutter allows, without risking to interfere with the closing action of the valve, to maintain in the filling spout a sufficient quantity of product to avoid a defect in formation of the jet of product during of the valve opening.
- the device according to the invention has been illustrated with a coupling member comprising a C-bracket associated with a pin, which allows not only rapid assembly but also effective cleaning without the need to disassemble, other coupling members having a radial clearance can be used, for example a bayonet coupling member.
- the secondary shutter 21 can have a greater height to promote a laminar flow of the product at the outlet of the spout.
- the secondary shutter 21 In the closed position, provision may be made for the secondary shutter 21 to extend close to the restriction 24 in the body element 1.3 and not in contact with the latter. The dimensions and the relative positioning of the conical part and of the restriction 24 are then provided so that in the closed position, the conical lower part 23 of the secondary shutter 21 is spaced from the restriction 24 with a play just sufficient to retain by capillarity the product contained in the body elements 1.2 and 1.3. Such an arrangement is useful for packaging a product, such as milk, which tends to foam during turbulent flow.
- the rotary electric motor can be linked to the mobile part (the control rod) by any type of mechanism for transforming rotary movement into translative movement.
- the metering unit can comprise, as described here, a flow sensor mounted upstream of the valve, but also, alternatively or jointly, another type of sensor making it possible to determine the quantity of product dispensed, and for example a weight sensor of a container being filled.
Landscapes
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
- Basic Packing Technique (AREA)
- Details Of Valves (AREA)
- Lift Valve (AREA)
Description
La présente invention concerne le remplissage de récipients par des produits liquides fluides ou plus ou moins visqueux, mousseux ou non.The present invention relates to the filling of containers with fluid or more or less viscous liquid products, frothy or not.
Le remplissage de récipients dans des conditions industrielles est effectué dans des installations de remplissage comprenant des becs de remplissage et des moyens d'amenée des récipients sous les becs de remplissage.The filling of containers under industrial conditions is carried out in filling installations comprising filling spouts and means for bringing the containers under the filling spouts.
On connaît, notamment du document
Avec ce type de bec de remplissage, mais avec d'autres également, il existe un risque de formation d'une goutte à l'extrémité inférieure du bec, goutte qui risque de tomber et salir l'extérieur des récipients et/ou les parties de l'installation se trouvant en contrebas du bec.With this type of filling spout, but with others as well, there is a risk of a drop forming at the lower end of the spout, a drop which may fall and dirty the outside of the containers and / or the parts of the installation located below the spout.
Un but de l'invention est de proposer une installation de remplissage plus propre.An object of the invention is to provide a cleaner filling installation.
A cet effet, on prévoit, selon l'invention, un bec de remplissage comportant un corps tubulaire dans lequel sont montés un clapet s'étendant en regard d'un siège de clapet et un obturateur secondaire disposé dans une chambre de distribution en aval du clapet et rigidement relié à celui-ci en laissant un léger jeu axial entre eux, une partie mobile d'un actionneur étant accouplée au clapet pour déplacer celui-ci entre une position extrême de fermeture et une position extrême d'ouverture. Le clapet possède une position intermédiaire de fermeture et comprend une partie reçue dans un alésage débouchant dans la chambre de distribution pour former un piston d'aspiration lorsque le clapet est déplacé de la position extrême de fermeture à la position intermédiaire de fermeture.For this purpose, provision is made, according to the invention, for a filling spout comprising a tubular body in which are mounted a valve extending opposite a valve seat and a secondary shutter disposed in a distribution chamber downstream of the valve and rigidly connected thereto leaving a slight clearance axial between them, a movable part of an actuator being coupled to the valve to move the latter between an extreme closed position and an extreme open position. The valve has an intermediate closed position and comprises a part received in a bore opening into the dispensing chamber to form a suction piston when the valve is moved from the extreme closed position to the intermediate closed position.
Ainsi, lorsque le clapet passe de sa position extrême de fermeture à sa position intermédiaire de fermeture, le clapet va créer une dépression dans la chambre de distribution et aspirer le produit vers le haut de la chambre de distribution. Cet agencement permet une fermeture propre du bec en limitant le risque de fuite de liquide à l'extérieur du bec.Thus, when the valve passes from its extreme closed position to its intermediate closed position, the valve will create a vacuum in the dispensing chamber and suck the product up from the dispensing chamber. This arrangement allows a clean closure of the spout limiting the risk of leakage of liquid outside the spout.
D'autres caractéristiques et avantages de l'invention apparaîtront encore à la lecture de la description qui suit d'un mode de réalisation particulier de l'invention et de différentes variantes de celui-ci, en référence aux figures ci-jointes parmi lesquelles :
- la
figure 1 est une vue en coupe axiale d'un bec de remplissage selon l'invention, - la
figure 2 est une vue en coupe axiale d'une portion d'extrémité du bec, le bec étant dans un premier état fermé avec le clapet dans sa position extrême de fermeture et l'obturateur secondaire dans sa position extrême de fermeture, - la
figure 3 est une vue analogue à celle de lafigure 2 , le bec étant dans un deuxième état fermé avec le clapet dans sa position intermédiaire de fermeture et l'obturateur secondaire dans sa position de fermeture, - la
figure 4 est une vue analogue à celle de lafigure 2 , le bec étant dans un état de semi-ouverture avec le clapet dans une position intermédiaire d'ouverture et l'obturateur secondaire dans une position intermédiaire, - la
figure 5 est une vue analogue à celle de lafigure 2 , le bec étant dans un état ouvert avec le clapet dans en position extrême d'ouverture et l'obturateur secondaire dans sa position extrême d'ouverture.
- the
figure 1 is a view in axial section of a filling spout according to the invention, - the
figure 2 is an axial section view of an end portion of the spout, the spout being in a first closed state with the valve in its extreme closed position and the secondary shutter in its extreme closed position, - the
figure 3 is a view similar to that of thefigure 2 , the spout being in a second closed state with the valve in its intermediate closed position and the secondary shutter in its closed position, - the
figure 4 is a view similar to that of thefigure 2 , the spout being in a semi-open state with the valve in an intermediate opening position and the secondary shutter in an intermediate position, - the
figure 5 is a view similar to that of thefigure 2 , the spout being in an open state with the valve in the extreme open position and the secondary shutter in its extreme open position.
En référence aux figures, le bec de remplissage selon l'invention comporte un corps tubulaire 1 comprenant trois éléments de corps 1.1, 1.2 et 1.3 coaxiaux et reliés entre eux par des organes d'attache rapide.Referring to the figures, the filling spout according to the invention comprises a tubular body 1 comprising three body elements 1.1, 1.2 and 1.3 coaxial and connected together by quick coupling members.
L'un des organes d'attache rapide est visible sur les figures et comprend une bague 40, épaulée intérieurement, qui reçoit l'extrémité supérieure de l'élément de corps 1.3 et est fixée par une liaison baïonnette à l'extrémité inférieure de l'élément de corps 1.2. On notera que le bord annulaire supérieur de la bague 40 est reçu dans une gorge plane de l'extrémité inférieure de l'élément de corps 1.2 et y comprime un joint d'étanchéité annulaire 41.One of the quick coupling members is visible in the figures and comprises a
L'élément de corps 1.2 contient un clapet, généralement désigné en 11, comprenant un noyau 12 qui est monté dans un alésage 1.21 de l'élément de corps 1.2 et qui a une extrémité supérieure en saillie axiale de laquelle s'étend un pion 13 et une extrémité inférieure en saillie axiale de laquelle s'étend une tige de guidage 14. Le noyau 12 comprend, vers son extrémité supérieure, une surface externe cylindrique 12.1 et, vers son extrémité inférieure, une surface externe tronconique 12.2 dont la petite base se raccorde à la tige de guidage 14. Entre la surface externe cylindrique 12.1 et la surface externe tronconique 12.2 s'étend en saillie une lèvre annulaire 12.3 de diamètre voisin du diamètre de l'alésage 1.21.The body element 1.2 contains a valve, generally designated at 11, comprising a
Sur la surface externe cylindrique 12.1 du noyau 12, est monté légèrement serré un joint torique 15 destiné à être appliqué sur un siège 1.22 formé d'un épaulement entourant le débouché supérieur de l'alésage cylindrique 1.21. La surface externe cylindrique 12.1 du noyau 12 a une longueur supérieure au diamètre du joint torique 15 de sorte que le joint torique 15 est monté sur cette surface avec un jeu axial permettant au joint torique 15 de coulisser le long de la surface externe cylindrique 12.1. Le joint torique 15 est repoussé vers la lèvre annulaire 12.3 par un ressort hélicoïdal 16 ayant une extrémité supérieure en appui contre une rondelle 17 en appui contre un épaulement du pion 13 et une extrémité inférieure en appui contre une bague 18 qui est en contact avec le joint torique 15 et qui est montée sur la surface externe cylindrique 12.1 du noyau 12 pour coulisser. La bague 18 est pourvue de bras axiaux venant en appui contre la rondelle 17. On notera que la bague 18 a son mouvement limité vers le bas par sa venue en appui sur le siège 1.22 et son mouvement limité vers le haut par la venue en appui des bras axiaux sur la rondelle 17. Le déplacement du joint torique 15 permet notamment d'effectuer un nettoyage de la surface externe cylindrique 12.1 du noyau 12 du clapet 11.On the external cylindrical surface 12.1 of the
La tige de guidage 14 est pourvue d'ailettes latérales 19 assurant le centrage de la tige de guidage 14 dans l'alésage 1.21 tout en autorisant le passage du liquide.The
L'élément de corps 1.3 délimite une chambre de distribution contenant un obturateur secondaire 21 qui est fixé à l'extrémité inférieure de la tige de guidage 14 du clapet 11 au moyen d'une goupille 22 de manière à ménager un jeu axial entre le clapet 11 et l'obturateur secondaire 21. Dans ce mode de réalisation l'obturateur secondaire 21 comporte une partie inférieure conique 23 s'étendant en regard d'une restriction conique 24 entourant un orifice de sortie de l'élément de corps 1.3.The body element 1.3 defines a distribution chamber containing a
Le bec comprend un dispositif, généralement désigné en 2, de commande du clapet 11. Le dispositif de commande 2 comporte une unité de commande 3 reliée à un actionneur et à un débitmètre 4. L'actionneur comprend un moteur électrique rotatif 5 monté sur un bâti 6 fixé à l'élément de corps 1.1. Le moteur électrique rotatif 5 a un arbre de sortie lié en rotation par un train d'engrenages à une vis sans fin 7 montée verticalement dans le bâti 6 pour pivoter. Un écrou 8 fixe en rotation est monté sur la vis sans fin 7 et lié en translation à une extrémité supérieure d'une tige de commande 9 ayant une portion d'extrémité inférieure reçue à coulissement dans une douille 1.12 montée coaxialement dans l'élément de corps 1.1 pour définir une enceinte étanche isolée de la chambre 1.11 d'arrivée du produit (la chambre d'arrivée 1.11 est délimitée par l'élément de corps 1.1 et est raccordée à la conduite d'alimentation C du bec en produit de remplissage). La portion d'extrémité inférieure de la tige de commande 9 est pourvue de bagues 10 en ferrite pour former un moyen d'actionnement électromagnétique.The spout comprises a device, generally designated at 2, for controlling the
Un coulisseau 30 est reçu à coulissement autour de la douille 1.12 qui assure un guidage précis de l'élément d'actionnement 3 à l'intérieur de l'élément de corps 1.1. Le coulisseau 30 est pourvu d'éléments magnétiques annulaires pour créer un accouplement magnétique entre le coulisseau 30 et la tige de commande 9. Les bagues en ferrite sont de préférence dimensionnées pour exercer sur le coulisseau 30 une force presque égale au poids du coulisseau 30 et des équipements qui lui sont associés.A
La liaison entre le coulisseau 30 et le clapet 11 est assurée par un organe d'accouplement généralement désigné en 35. Dans le mode de réalisation illustré, l'organe d'accouplement comporte un étrier 36 relié au coulisseau 30 par des bras de liaison 37. L'étrier 36 est engagé dans une gorge du pion 13 avec un jeu radial de sorte que le coulissement précis du coulisseau 30 et le coulissement précis du clapet 11 dans les éléments de corps 1.1, 1.2 ne sont pas affectés même si les éléments de corps 1.1 et 1.2 ne sont pas montés de façon rigoureusement coaxiale.The connection between the
On notera que :
- le montage du clapet et de l'actionneur dans des éléments de corps séparés reliés par un organe d'attache rapide et la dissociabilité des éléments d'accouplement rendent possible de réaliser rapidement différentes combinaisons de l'organe de commande et de l'organe d'obturation ;
- l'agencement des éléments de l'organe d'accouplement sous forme d'un étrier et d'un pion comportant une tête engagée entre les branches de l'étrier permet, après ouverture de l'organe d'attache rapide, de dissocier le clapet et l'actionneur par un simple décalage latéral de ceux-ci l'un par rapport à l'autre.
- the mounting of the valve and the actuator in separate body elements connected by a quick coupling member and the dissociability of the coupling elements make it possible to quickly realize different combinations of the control member and the member d ''obturation;
- the arrangement of the elements of the coupling member in the form of a stirrup and of a pin having a head engaged between the branches of the stirrup allows, after opening of the quick coupling member, to dissociate the valve and actuator by a simple lateral offset of these relative to each other.
Le débitmètre 4 est installé sur la conduite d'alimentation C du bec de remplissage pour permettre à l'unité de commande 3 de piloter le moteur 5 en fonction du débit mesuré dans ladite conduite.The
Au cours d'une opération de remplissage, le bec de remplissage va passer d'un état fermé à un état ouvert avant de revenir à un état fermé.During a filling operation, the filling spout will pass from a closed state to an open state before returning to a closed state.
Du fait du jeu axial entre l'obturateur secondaire 21 et le clapet 11, le bec de remplissage possède plusieurs états fermé.Due to the axial clearance between the shutter secondary 21 and the
Dans le premier état fermé du bec de remplissage, comme illustré par la
Dans le deuxième état fermé du bec de remplissage, comme illustré par la
Pour l'ouverture du clapet 11, le moteur rotatif électrique 5 est commandé pour remonter le clapet 11 vers une position extrême d'ouverture, ce qui provoque le décollement de l'obturateur secondaire 21 par rapport à la restriction conique 24 (
L'unité de commande 3 est agencée pour que le bec de remplissage délivre le produit à un premier débit dans une phase de début de remplissage, un deuxième débit dans une phase intermédiaire et à un troisième débit dans une phase de fin de remplissage. Pour optimiser la vitesse de remplissage en limitant le risque d'éclaboussure et le risque de moussage du produit dans le récipient, le troisième débit est inférieur au premier débit qui est inférieur au deuxième débit. En variante le premier et le troisième débit peuvent être égaux l'un à l'autre.The
L'agencement du clapet et de l'obturateur secondaire permet, sans risquer d'interférer avec l'action de fermeture du clapet, de maintenir dans le bec de remplissage une quantité de produit suffisante pour éviter un défaut de formation du jet de produit lors de l'ouverture du clapet.The arrangement of the valve and the secondary shutter allows, without risking to interfere with the closing action of the valve, to maintain in the filling spout a sufficient quantity of product to avoid a defect in formation of the jet of product during of the valve opening.
Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et on peut y apporter des variantes de réalisation sans sortir du cadre de l'invention tel que défini par les revendications.Of course, the invention is not limited to the embodiments described and it is possible to make variant embodiments without departing from the scope of the invention as defined by the claims.
En particulier, bien que le dispositif selon l'invention ait été illustré avec un organe d'accouplement comprenant un étrier en C associé à un pion, ce qui permet non seulement un montage rapide mais également un nettoyage efficace sans qu'il soit nécessaire de procéder à un démontage, on peut utiliser d'autres organes d'accouplement présentant un jeu radial, par exemple un organe d'accouplement à baïonnette.In particular, although the device according to the invention has been illustrated with a coupling member comprising a C-bracket associated with a pin, which allows not only rapid assembly but also effective cleaning without the need to disassemble, other coupling members having a radial clearance can be used, for example a bayonet coupling member.
En variante, l'obturateur secondaire 21 peut avoir une hauteur plus importante pour favoriser un écoulement laminaire du produit à la sortie du bec.Alternatively, the
En position fermée, on peut prévoir que l'obturateur secondaire 21 s'étende à proximité de la restriction 24 dans l'élément de corps 1.3 et non au contact de celle-ci. Les dimensions et le positionnement relatif de la partie conique et de la restriction 24 sont alors prévues pour que dans la position fermée, la partie inférieure conique 23 de l'obturateur secondaire 21 soit espacée de la restriction 24 avec un jeu juste suffisant pour retenir par capillarité le produit contenu dans les éléments de corps 1.2 et 1.3. Un tel agencement est utile pour le conditionnement de produit, tel que le lait, ayant tendance à mousser lors d'un écoulement turbulent.In the closed position, provision may be made for the
Le moteur électrique rotatif peut être lié à la partie mobile (la tige de commande) par tout type de mécanisme de transformation de mouvement rotatif en mouvement translatif.The rotary electric motor can be linked to the mobile part (the control rod) by any type of mechanism for transforming rotary movement into translative movement.
L'unité de dosage peut comprendre, comme décrit ici, un capteur de débit monté en amont du clapet, mais aussi, alternativement ou conjointement, un autre type de capteur permettant de déterminer la quantité de produit distribué, et par exemple un capteur de poids d'un récipient en cours de remplissage.The metering unit can comprise, as described here, a flow sensor mounted upstream of the valve, but also, alternatively or jointly, another type of sensor making it possible to determine the quantity of product dispensed, and for example a weight sensor of a container being filled.
Claims (11)
- Filler spout comprising a tubular body (1) having mounted therein a valve member (11) extending facing a valve seat (1.22) and a secondary shutter (21) arranged in a distribution chamber (1.3) downstream from the valve member (11) and rigidly connected thereto with a small amount of axial clearance between the valve member (11) and the secondary shutter (21), and a movable portion (9) of an actuator (5) being coupled to the valve member (11) in order to move it between an extreme closure position and an extreme opening position, the spout being characterized in that the valve member (11) possesses an intermediate closure position and in that the valve member (11) comprises a portion (12) that is received in a bore (1.21) opening out into the distribution chamber (1.3) in order to form a suction system when the valve member (11) is moved from the extreme closure position to the intermediate closure position.
- Filler spout according to claim 1, wherein the actuator (5) is connected to a metering unit arranged to determine a quantity of liquid delivered by the spout and to control the actuator (5) as a function of the determined quantity.
- Filler spout according to claim 2, wherein the actuator (5) is a rotary electric motor connected to the movable portion (9) by a mechanism for transforming rotary motion into movement in translation, and the metering unit comprises a servo-control circuit connected to the electric motor in order to control it.
- Filler spout according to claim 2, wherein the metering unit comprises a flow rate sensor mounted upstream from the valve member.
- Filler spout according to claim 2, wherein the metering unit comprises a sensor for sensing the weight of a container while it is being filled.
- Filler spout according to claim 2, wherein the mechanism for transforming rotary motion into movement in translation is a screw-and-nut system.
- Filler spout according to claim 1, wherein the valve member (11) and the actuator (5) are mounted in separate body elements (1.1, 1.2) that are connected together by a quick-disconnect fastener, and the coupling member has two elements coupled together via a separable connection including radial clearance.
- Filler spout according to claim 7, wherein one of the elements of the coupling member is a C-shaped bracket (36) and the other is a peg (13) having a head that is engaged between the branches of the bracket.
- Filler spout according to claim 1, wherein the secondary shutter (21) is mounted in a body element (1.3) that is separate from the body element (1.2) including the valve member (11), and is connected thereto via a quick-disconnect fastener (40).
- Filler spout according to claim 1, wherein the valve member (11) includes a core (12) having an O-ring (15) mounted thereon, and the valve seat (1.22) has a chamfer at the top end of a cylindrical body element.
- Filler spout according to claim 10, wherein the O-ring (15) is mounted on the core with axial clearance (12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1656441A FR3053672B1 (en) | 2016-07-05 | 2016-07-05 | FILLING NOZZLE WITH LEAK LIMITATION |
PCT/EP2017/066692 WO2018007412A1 (en) | 2016-07-05 | 2017-07-04 | Spill-limiting filling spout |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3481764A1 EP3481764A1 (en) | 2019-05-15 |
EP3481764B1 true EP3481764B1 (en) | 2020-04-15 |
Family
ID=56842928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17735136.8A Active EP3481764B1 (en) | 2016-07-05 | 2017-07-04 | Spill-limiting filling spout |
Country Status (5)
Country | Link |
---|---|
US (1) | US10865087B2 (en) |
EP (1) | EP3481764B1 (en) |
BR (1) | BR112018075925A2 (en) |
FR (1) | FR3053672B1 (en) |
WO (1) | WO2018007412A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3092567B1 (en) | 2019-02-08 | 2021-01-22 | Serac Group | VACUUM FILLING NOZZLE |
CN112093756B (en) * | 2020-09-10 | 2022-06-28 | 澳泰(广东)生物科技有限公司 | Beverage canning equipment |
CN112010249A (en) * | 2020-09-28 | 2020-12-01 | 程方园 | Filling device of emulsion cosmetics production usefulness |
CN112158790B (en) * | 2020-10-13 | 2021-12-24 | 江西绿世界油脂有限公司 | Edible oil filling machine |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5878992A (en) * | 1997-05-07 | 1999-03-09 | Mott's Inc. | Two stage variable flow valve assembly |
IT1293462B1 (en) * | 1997-07-18 | 1999-03-01 | Techpack Srl | FLUID CONTAINER VALVE FOR VISCOUS LIQUIDS. |
FR2801579B1 (en) * | 1999-11-29 | 2002-01-18 | Serac Group | FILLING NOZZLE WITH ADJUSTABLE FLOW RATE BY A SINGLE ACTUATION DEVICE AND IMPLEMENTATION METHOD |
FR2838730B1 (en) * | 2002-04-22 | 2004-06-18 | Serac Group | ELECTROMAGNETICALLY CONTROLLED FILLING NOZZLE |
ITBO20020282A1 (en) * | 2002-05-13 | 2003-11-13 | Bl Macchine Automatiche | WRAPPING MACHINE FOR THE PACKAGING OF INCONERENT PRODUCTS IN HARD JELLY CAPSULES |
DE102005011659A1 (en) * | 2005-03-08 | 2006-09-14 | Khs Ag | Actuator and filling machine with such actuators |
FR2983843A1 (en) * | 2011-12-13 | 2013-06-14 | Serac Group | Filling nozzle for use with filling installation for filling containers with liquid food substance, has main valve and secondary obturator connected to actuating part mounted upstream of valve to provide stroke of valve and obturator |
DE102014113488A1 (en) * | 2014-09-18 | 2016-03-24 | Khs Gmbh | filling valve |
DE102014118094A1 (en) * | 2014-12-08 | 2016-06-09 | Krones Ag | Filling valve for filling a container to be filled with a filling product |
-
2016
- 2016-07-05 FR FR1656441A patent/FR3053672B1/en not_active Expired - Fee Related
-
2017
- 2017-07-04 BR BR112018075925-2A patent/BR112018075925A2/en not_active Application Discontinuation
- 2017-07-04 WO PCT/EP2017/066692 patent/WO2018007412A1/en unknown
- 2017-07-04 EP EP17735136.8A patent/EP3481764B1/en active Active
- 2017-07-05 US US15/641,943 patent/US10865087B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3481764A1 (en) | 2019-05-15 |
BR112018075925A2 (en) | 2019-03-26 |
FR3053672A1 (en) | 2018-01-12 |
WO2018007412A1 (en) | 2018-01-11 |
US20180009645A1 (en) | 2018-01-11 |
FR3053672B1 (en) | 2018-08-10 |
US10865087B2 (en) | 2020-12-15 |
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