EP2062725B1 - Press for material such as that from the grape harvest - Google Patents

Press for material such as that from the grape harvest Download PDF

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Publication number
EP2062725B1
EP2062725B1 EP08291099.3A EP08291099A EP2062725B1 EP 2062725 B1 EP2062725 B1 EP 2062725B1 EP 08291099 A EP08291099 A EP 08291099A EP 2062725 B1 EP2062725 B1 EP 2062725B1
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EP
European Patent Office
Prior art keywords
cage
press according
lateral wall
liquid
tubular portion
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EP08291099.3A
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German (de)
French (fr)
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EP2062725A1 (en
Inventor
Xavier Pera
Jean Pera
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Pera Pellenc SA
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Pera Pellenc SA
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Publication of EP2062725A1 publication Critical patent/EP2062725A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/22—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using a flexible member, e.g. diaphragm, urged by fluid pressure

Definitions

  • the suction means of the pressure medium are actuated out of the control chamber, so that the vacuum is produced therein and the membrane is plated. against the second half of the side wall and flanges of the cage.
  • the means of admission of a pressure medium into the control chamber are actuated so that the material which is present is applied against the drainage means and pressurized. from which it results that the liquid part of this material flows through the drainage means.
  • the pressing phases being separated by crumbling phases in which the cage is rotated about its axis to dislocate the cake material which is formed under the effect of pressure.
  • the door is opened and the cage is rotated so that the solid part remaining in the pressing chamber is gradually evacuated through the orifice unmasked by the door.
  • the vacuum is made in the control chamber during the crumbling phase and during the emptying phase.
  • the invention aims to increase the possibilities of using such a press.
  • the telescopic tubular member is connected to the withdrawal device and can guide the liquid flowing therefrom to a receiving tank of the liquid part.
  • the press according to the invention offers the advantage of allowing, in a simple, convenient and economical way, to recover the liquid part leaving the press without this liquid part being brought into contact with the air, which is particularly useful when this liquid part is sensitive to oxidation, for example when the material is from the vintage to be vinified in white.
  • the press according to the invention can be used in a conventional manner with a material whose liquid part does not fear contact with air, for example from the vintage to be vinified in red, the liquid part then being conventionally recovered in a tray disposed on the ground which collects the liquid portion falling by gravity from the outlet of the or the withdrawal devices.
  • a press for a material containing a fluid, in particular of the harvest comprising a closed cage whose interior space is subdivided by at least one membrane into a pressure agent chamber subjected to a pressure medium and a pressing chamber receiving the material.
  • the pressing chamber is filled with a well-defined gas composition, in particular an inert gas, before pressing the fluid-containing material.
  • the gas supply is via a common juice collection pipe connected to the interior spaces of the drainage elements.
  • a supply pipe is provided for the supply of gas and for the recovery of the liquid resulting from the pressing of the material. No indication is given of the structural arrangement of the collection line, of which it is not even known where the outlet is. Similarly, no structural arrangement details are given on the feed pipe.
  • the press 1 illustrated in the drawings comprises a cage 2 rotatably mounted about its axis 3 on posts 4 resting on the ground.
  • a tray 5 for recovering the liquid part of the treated material in this case grape juice recovery when the material is of the vintage. It is also provided, in the case where it is desired to avoid contact with the air of the liquid, especially if it is grape juice to be vinified in white, a device 40 for taking liquid.
  • the cage 2 has a cylindrical side wall 6 and two flanges 7 closing the cage 2 respectively at one end and at the other end of the side wall 6.
  • a flexible deformable membrane 8 (not shown in FIGS. figures 3 and 4 ), fixed in a sealed manner, firstly to the side wall 6 along two opposite longitudinal edges 9 and, secondly, to the flanges 7 along two respective transverse edges 10 each located between an end of an edge 9 and a end of the other edge 9, the membrane 8 having at rest ( Figures 1 and 2 ) about the shape of a half of the cage 2.
  • the internal volume of the latter is subdivided by the membrane 8 into a pressing chamber 11 and a control chamber 12.
  • the pressing chamber 11 is delimited by the membrane 8, by the half of the side wall 6, located between the longitudinal edges 9, which is seen at the top on the Figures 1 and 2 as well as by half of each of the flanges 7 that can be seen above the transverse edges 10 on the Figures 1 and 2 .
  • the control chamber 12 is delimited by the membrane 8 and by the other half of the side wall 6 and the flanges 7.
  • the cage 2 comprises, in the center of each of the flanges 7, respectively a pin 13 cooperating with a bearing 14 carried by the posts 4 that can be seen on the left. the figure 1 and a journal 15 cooperating with a bearing 16 carried by the posts 4 that can be seen on the right.
  • the trunnion 13 serves as a tubing for the control chamber 12 with which it is in communication.
  • the pipe 13 allows either the suction of the air which is contained in the chamber 12, or the admission into this chamber of compressed air, the connection and the pipes connected to the pipe 13 as well as the compressor and the pump. vacuum allowing admission and suction of compressed air, being symbolized on the figure 1 by the arrows 17 and 18, respectively.
  • the trunnion 15 serves as a tubing for the pressing chamber 11, with which it is in communication.
  • the tubing 15 is extended by an assembly 30 comprising a pneumatic valve 31 and a connection 32 for a connection line to an inert gas source, the valve 30 serving to open or close the passage between the connection 31 and the tubing 15.
  • the side wall 6 is provided with two openings each closable by a door 19.
  • the side wall 6 is equipped with perforated gutters 20, here seven in number, which allow the drainage of this material as explained later. .
  • each portion of the wall 6 located at the right of a gutter 20 is full.
  • each device 33 comprises a pipe 34 in communication with the space delimited by the wall 6 and a channel 20, the distal end of the pipe 34 forming a connection 35 on which is mounted a pneumatic valve 36 whose end opposite the connection 35 forms the outlet orifice 37 of the withdrawal device 33.
  • conduits 38 ( figure 2 ) which connect them in pairs so that the liquid collected by one of the gutters 20 can join the other gutters 20 and be evacuated by any of the drawers 33, in particular by that associated with the perforated channel 20 which is central, that is to say the gutter 20 on both sides of which there are three other gutters 20.
  • the withdrawal device 33 of the central gutter 20 is associated with a plate 39 protruding radially from the outside of the wall 6, the outlet orifice 37 of the device 33 opening through the plate 39.
  • the plate 39 serves as a connection member to the liquid-taking device 40.
  • Each of the withdrawal devices 33, and more precisely the outlet orifice 37 of each device 33, is in line with the tank 5 so that the liquid flowing from the orifice 37 is collected in the tank 5, which is provided at the bottom of a plug 41 to which is connected a connecting line to a liquid receiving tank.
  • the protective walls 42 and 43 carried by the frame of which the studs 4 are part are provided on either side of the tray.
  • the press 1 To rotate the cage 2, the press 1 comprises, as seen on the figures 1 , 3 and 4 , an electric motor 21 carried by the posts 4 that can be seen on the left, the rotary shaft of the motor 21 being equipped with a pinion 22 which engages with an intermediate gear 23, which also engages with a wheel toothed 24 mounted on the flange 7 of the cage 2 that can be seen on the left on the figures 1 , 3 and 4 , the wheel 24 being centered, like the cage 2, on the axis 3.
  • the cage 2 Before introducing the material such as the harvest into the chamber 11, the cage 2 is placed in a position where the doors 19 are at the top of the cage 2, the doors 19 are opened and the suction means 18 are actuated. in order to produce the vacuum in the control chamber 12, which results in the membrane 8 being pressed against the side wall 6 and the flanges 7.
  • the material such as the harvest is then introduced through the openings unmasked by the doors 19, this material, given the location of the openings, is distributed by itself relatively evenly in the pressing chamber 11.
  • the gutter 20 which is central, that is to say the gutter on either side of which there are three other gutters 20, is in the lowest position of the cage 20.
  • the valve of each of the withdrawal devices 33 is open in the pressing position so that the liquid can flow from each of the orifices 37 and be collected in the tray 5.
  • the withdrawal devices 33 When, on the contrary, it is desired to avoid contact of the liquid with the atmosphere, the withdrawal devices 33 remain closed except for the draw-off device associated with the gutter 20 which is in the lowest position, here the gutter Central.
  • the presence of the ducts 38 connecting the gutters 20 allows all the liquid to flow through this single withdrawal device located at the lowest point of the cage 2. The flowing liquid is not collected in the tray 5 but with the device 40, as illustrated on the figure 4 and explained later.
  • the means 17 for the admission of compressed air are actuated in the control chamber 12.
  • the membrane 8 then applies against the material introduced into the chamber 11.
  • the liquid part of the material flows through the perforations of the gutters 20 and joins either the recovery tank 5 through the different draw-off devices 33 when they are all open, ie the device for taking up liquid 40 through only the device 33 located in the lowest position, as illustrated on FIG. figure 4 and explained later.
  • the suction means 18 are actuated until the membrane 8 is again pressed against the side wall 6 and against the flanges 7. If necessary, if the device 40 liquid intake is used, it brings its tubular slide 46 in the retracted position.
  • the cage 2 is then rotated for a certain time in order to effect crumbling, that is to say a dislocation of the cake of material which has formed under the effect of pressure.
  • the liquid gripping device 40 comprises a guide sleeve 45 oriented horizontally and fixed on the protective wall 42, a tubular slide 46 engaged in the sleeve 45, a pneumatic cylinder 47 whose body 48 is fixed to the posts 4 which carry the motor 21 and whose rod 49 is fixed to the slide 46, a rigid pipe 50 carried by the same posts 4, one end, located on the side of the cage 2, is connected to the tubular slide 46 by a flexible pipe 51 while the other end of the rigid pipe 50, located on the side opposite the cage 2, has a connection 52 for a connection line to a liquid receiving tank.
  • the slider 46 comprises two straight tubular portions arranged transversely relative to one another, respectively a relatively long portion 53, through which the slider is engaged in the bush 45, and a relatively short portion 54, extending from the portion 53 to a fitting on which is fixed the flexible pipe 51.
  • the end of the portion 53 located on the side of the cage 2 (end that is seen to the right on the figures 1 , 3 and 4 ) is provided with a ring 55 carrying, on the side opposite the portion 53, an annular sealing gasket 56.
  • a bellows 57 is disposed between the sleeve 45 and the ring 55.
  • the rod 49 of the cylinder 47 is connected to the slide 46 opposite the ring 55.
  • the slider 46 is movable between the retracted position illustrated on the figures 1 and 3 and the deployed position illustrated on the figure 4 , the slider 46 being driven between these two positions by the cylinder 47 whose rod leaves the body 48 to move from the retracted position to the deployed position, while the rod 49 enters the body 48 to move from the deployed position to the retracted position.
  • the slider 46 As we see on the figures 1 and 3 in the retracted position, the slider 46, and more specifically the head formed by the ring 55 and the seal 56, is away from the withdrawal devices 33 so that the device 40 does not interfere with the rotation of the cage 2.
  • the retracted position of the slide 46 is defined by the contacting of the ring 55 on the distal end of the sleeve 45, the ring 55 thus forming an end stop.
  • the slide 46 is designed to be placed in the deployed position after the cage 2 has been placed in the angular pressing position, the plate 39 then being in the lowest position of the cage 2 and facing the slide 46, and more precisely of the head formed by the ring 55 and the seal 56, the orifice 37 being centered with respect to this head and to the straight portion 53.
  • the valve of the draw-off device 33 associated with the plate 39 is closed, the actuator 47 is actuated to move the device 40 into the retracted position, the suction means 18 are actuated. until the membrane 8 is pressed against the side wall 6 and against the flanges 7 and can then rotate the cage 2 to perform a crumbling.
  • the assembly 30 makes it possible to inject an inert gas inside the cage 2, this gas penetrating through the connection 32 and joining the cage 2 through at the opening of the valve 31.
  • Such a gas injection can be performed before and / or after filling the cage 2 with the material to be treated, or even during the crumbling phases.
  • the different actuating members of the press 1, in particular the motor 21, the valve 31, the valves 36 and the jack 47 are connected to a programmable control unit which controls the operation according to predetermined sequences which facilitate the task of the control unit. user and allow press 1 to operate safely.
  • this control unit prohibits the actuation of the motor 21 when the juicing device 40 is in the deployed position.
  • the press 1 can be used with a material whose liquid part fears contact with the air, which can cause oxidation, for example when the material is the grape to be vinified in white, that with a material that does not fear to be in contact with the air, for example from the vintage to be vinified in red.
  • the liquid intake device 40 is not used (it remains in the retracted position) and, in the pressing phases, all the withdrawal devices 33 are opened, the liquid being collected in the tank 5.
  • juicing devices 40 for example three in number.
  • the plate 39 is replaced by a connecting member arranged differently, for example with a bayonet rather than single support; and / or the telescopic tubular member is different from the slide 46, for example with a T-shape rather than L.
  • valves 31 and 36 and the cylinder 47 are of different type, for example electric instead of being pneumatic; the number of perforated gutters 20 is different from seven, for example five; the connecting ducts between the gutters such as 38 are external to the cage rather than internal to it; and / or the pressure agent used is different from compressed air, for example water.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Non-Alcoholic Beverages (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Food-Manufacturing Devices (AREA)

Description

L'invention a trait aux pressoirs pour séparer les parties solide et liquide d'une matière telle que des fruits, en particulier de la vendange, selon la revendication 1. On connaît déjà, notamment par les demandes de brevets français 2 812 235 et 2 873 617 , un tel pressoir qui comporte :

  • une cage présentant une paroi latérale cylindrique et deux flasques fermant ladite cage respectivement à une extrémité et à l'autre extrémité de ladite paroi latérale ;
  • des moyens de montage à rotation de ladite cage autour de son axe dans une position où celui-ci est disposé horizontalement, comportant un châssis ;
  • des moyens pour commander sélectivement la rotation de ladite cage autour de son axe ;
  • une membrane souple déformable disposée dans ladite cage, fixée de manière étanche à la paroi latérale de la cage suivant deux bords longitudinaux opposés et fixée de manière étanche aux flasques suivant deux bords transversaux respectifs chacun situé entre une extrémité d'un bord longitudinal et une extrémité de l'autre bord longitudinal de sorte que ladite membrane sépare le volume interne de ladite cage en une chambre de pressurage délimitée par ladite membrane, par une première moitié de ladite paroi latérale située entre lesdits deux bords longitudinaux opposés et par une première moitié de chacun desdits flasques située, par rapport aux bords transversaux respectifs, du côté de la première moitié de la paroi latérale, et en une chambre de commande délimitée par ladite membrane, par la seconde moitié de ladite paroi latérale et par la seconde moitié desdits flasques, ladite membrane souple ayant au repos à peu près la forme d'une moitié de la cage ;
  • des moyens d'admission d'un agent de pression dans ladite chambre de commande et des moyens d'aspiration dudit agent de pression hors de ladite chambre de commande ;
  • au moins une porte obturant ou démasquant une ouverture ménagée dans ladite première moitié de la paroi latérale de la cage ;
  • des moyens de drainage équipant ladite première moitié de la paroi latérale de la cage ; et
  • des moyens de récupération de ladite partie liquide de la matière quittant la chambre de pressurage par lesdits moyens de drainage.
The invention relates to presses for separating the solid and liquid parts of a material such as fruit, in particular of the vintage, according to claim 1. It is already known, in particular by the French patent applications 2,812,235 and 2,873,617 , such a press which comprises:
  • a cage having a cylindrical side wall and two flanges closing said cage respectively at one end and at the other end of said side wall;
  • rotation mounting means of said cage about its axis in a position where it is disposed horizontally, comprising a frame;
  • means for selectively controlling the rotation of said cage about its axis;
  • a deformable flexible membrane disposed in said cage, sealingly attached to the side wall of the cage along two opposite longitudinal edges and sealingly attached to the flanges along two respective transverse edges each situated between one end of a longitudinal edge and one end the other longitudinal edge so that said membrane separates the internal volume of said cage into a pressing chamber delimited by said membrane, by a first half of said side wall located between said two opposite longitudinal edges and by a first half of each said flanges located, relative to the respective transverse edges, on the side of the first half of the side wall, and in a control chamber delimited by said membrane, by the second half of said side wall and by the second half of said flanges, said flexible membrane having at rest approximately the shape of a half of the cage;
  • means for admitting a pressure agent into said control chamber and means for sucking said pressure agent out of said control chamber;
  • at least one door closing or unmasking an opening in said first half of the side wall of the cage;
  • drainage means equipping said first half of the side wall of the cage; and
  • means for recovering said liquid portion of the material leaving the pressing chamber by said drainage means.

Avant de remplir la chambre de pressurage en matière telle que de la vendange, on actionne les moyens d'aspiration de l'agent de pression hors de la chambre de commande, de sorte que le vide s'y produit et que la membrane se plaque contre la seconde moitié de la paroi latérale et des flasques de la cage.Before filling the pressing chamber made of material such as grapes, the suction means of the pressure medium are actuated out of the control chamber, so that the vacuum is produced therein and the membrane is plated. against the second half of the side wall and flanges of the cage.

Pour réaliser le pressurage, une fois le remplissage effectué, on actionne les moyens d'admission d'un agent de pression dans la chambre de commande, de sorte que la matière qui y est présente est appliquée contre les moyens de drainage et mise sous pression, ce dont il résulte que la partie liquide de cette matière s'écoule au travers des moyens de drainage. En général, on procède à plusieurs phases de mise sous pression de la matière telle que de la vendange, les phases de pressurage étant séparées par des phases d'émiettage dans lesquelles on fait tourner la cage autour de son axe pour disloquer le gâteau de matière qui se forme sous l'effet de la pression.In order to carry out the pressing, once the filling has been carried out, the means of admission of a pressure medium into the control chamber are actuated so that the material which is present is applied against the drainage means and pressurized. from which it results that the liquid part of this material flows through the drainage means. In general, one proceeds to several phases of pressurizing the material such as the harvest, the pressing phases being separated by crumbling phases in which the cage is rotated about its axis to dislocate the cake material which is formed under the effect of pressure.

Pour vider la cage une fois le pressurage effectué, on ouvre la porte et on fait tourner la cage de sorte que la partie solide restant dans la chambre de pressurage s'évacue progressivement au travers de l'orifice démasqué par la porte.To empty the cage once the pressing is done, the door is opened and the cage is rotated so that the solid part remaining in the pressing chamber is gradually evacuated through the orifice unmasked by the door.

Pour éviter d'endommager la membrane, le vide est fait dans la chambre de commande lors de la phase d'émiettage et lors de la phase de vidage.To avoid damaging the membrane, the vacuum is made in the control chamber during the crumbling phase and during the emptying phase.

L'invention vise à accroître les possibilités d'utilisation d'un tel pressoir.The invention aims to increase the possibilities of using such a press.

Le pressoir selon l'invention se caractérise en ce que les moyens de récupération de la partie liquide de la matière comportent :

  • sur la cage, au moins un dispositif de soutirage, externe, ainsi qu'un organe de connexion au travers duquel débouche l'orifice de sortie du dispositif de soutirage ; et
  • sur ledit châssis, un dispositif de prise de liquide comportant un organe tubulaire télescopique admettant une position rétractée où ledit organe télescopique ne fait pas obstacle à la rotation de la cage et une position déployée où ledit organe télescopique est adapté, quand la cage est dans une position angulaire prédéterminée de pressurage, à venir contre ledit organe de connexion en appui étanche autour de l'orifice de sortie du dispositif de soutirage ;
ledit organe de connexion étant une platine saillant radialement de la paroi latérale tandis que ledit organe télescopique comporte un joint annulaire d'étanchéité par lequel ledit organe télescopique est adapté à venir en contact contre ladite platine autour dudit orifice de sortie.The press according to the invention is characterized in that the means for recovering the liquid part of the material comprise:
  • on the cage, at least one external withdrawal device, as well as a connection member through which opens the outlet orifice of the withdrawal device; and
  • on said frame, a liquid intake device comprising a telescopic tubular member admitting a retracted position where said telescopic member does not obstruct the rotation of the cage and an extended position where said telescopic member is adapted, when the cage is in a predetermined angular position of pressing, to come against said connection member sealingly around the outlet of the withdrawal device;
said connecting member being a plate projecting radially from the side wall while said telescopic member comprises an annular sealing gasket by which said telescopic member is adapted to come into contact against said platen around said outlet port.

Ainsi, dans la position déployée, l'organe tubulaire télescopique est branché sur le dispositif de soutirage et peut guider le liquide s'écoulant de celui-ci vers une cuve de réception de la partie liquide.Thus, in the deployed position, the telescopic tubular member is connected to the withdrawal device and can guide the liquid flowing therefrom to a receiving tank of the liquid part.

Le pressoir selon l'invention offre l'avantage de permettre, de façon simple, commode et économique, de récupérer la partie liquide sortant du pressoir sans que cette partie liquide ne soit mise en contact avec l'air, ce qui est particulièrement utile lorsque cette partie liquide est sensible à l'oxydation, par exemple lorsque la matière est de la vendange à vinifier en blanc.The press according to the invention offers the advantage of allowing, in a simple, convenient and economical way, to recover the liquid part leaving the press without this liquid part being brought into contact with the air, which is particularly useful when this liquid part is sensitive to oxidation, for example when the material is from the vintage to be vinified in white.

Si on le désire, le pressoir selon l'invention peut être utilisé de façon conventionnelle avec une matière dont la partie liquide ne craint pas le contact avec l'air, par exemple de la vendange à vinifier en rouge, la partie liquide étant alors classiquement récupérée dans un bac disposé au sol qui recueille la partie liquide tombant par gravité depuis l'orifice de sortie du ou des dispositifs de soutirage.If desired, the press according to the invention can be used in a conventional manner with a material whose liquid part does not fear contact with air, for example from the vintage to be vinified in red, the liquid part then being conventionally recovered in a tray disposed on the ground which collects the liquid portion falling by gravity from the outlet of the or the withdrawal devices.

On observera que, vu en particulier l'absence de joint tournant, il est relativement simple de transformer un pressoir conventionnel déjà existant en un pressoir selon l'invention, en rajoutant un organe de connexion au dispositif de soutirage et en rajoutant le dispositif de prise de liquide.It will be observed that, particularly in view of the absence of a rotary joint, it is relatively simple to convert an existing conventional press into a press according to the invention, by adding a connecting member to the withdrawal device and by adding the gripping device. of liquid.

Selon des caractéristiques préférées pour des raisons de simplicité, de commodité et d'économie, tant à la réalisation qu'à l'utilisation :

  • ledit dispositif de prise de liquide comporte une douille de guidage tandis que ledit organe tubulaire télescopique est un coulisseau engagé dans ladite douille vis-à-vis de laquelle il est mobile à coulissement, le dispositif de prise de liquide comportant un vérin pour déplacer ledit coulisseau entre ladite position rétractée et ladite position déployée ;
  • ledit coulisseau comporte une portion tubulaire droite engagée dans ladite douille et munie à une extrémité d'une tête par laquelle ledit coulisseau est adapté à venir en appui contre ledit organe de connexion ;
  • ladite tête comporte une bague reliée à ladite portion tubulaire droite et un joint annulaire d'étanchéité porté par ladite bague du côté opposé à ladite portion tubulaire ;
  • ledit dispositif de prise de liquide comporte un soufflet disposé entre ladite douille de guidage et ladite tête ;
  • ledit coulisseau comporte, en outre de ladite portion tubulaire droite, dite première portion tubulaire droite, une seconde portion tubulaire droite orientée transversalement à la première portion tubulaire et s'étendant de cette dernière à un raccord pour une conduite souple ;
  • ledit dispositif de soutirage comporte une conduite en communication avec lesdits moyens de drainage et une vanne disposée entre ladite conduite et ledit orifice de sortie ;
  • lesdits moyens de drainage comportent une pluralité de gouttières perforées et des moyens de liaison entre lesdites gouttières perforées, ledit dispositif de soutirage étant en communication avec un espace délimité par ladite paroi latérale et par la gouttière qui est la plus basse dans ladite position angulaire prédéterminée de pressurage ;
  • le pressoir comporte une pluralité de dits dispositifs de soutirage ;
  • lesdits moyens de récupération comportent en outre un bac disposé au sol à l'aplomb dudit orifice de sortie ; et/ou
  • le pressoir comporte un ensemble d'admission d'un gaz inerte dans ladite chambre de pressurage, ledit ensemble d'admission étant distinct dudit dispositif de soutirage,
According to preferred features for the sake of simplicity, convenience and economy, both in production and in use:
  • said liquid pickup device comprises a guide sleeve while said telescopic tubular member is a slider engaged in said sleeve vis-à-vis which it is slidably movable, the liquid pickup device comprising a jack for moving said slider between said retracted position and said deployed position;
  • said slider comprises a straight tubular portion engaged in said socket and provided at one end with a head through which said slider is adapted to bear against said connecting member;
  • said head comprises a ring connected to said straight tubular portion and an annular seal carried by said ring on the opposite side to said tubular portion;
  • said liquid intake device comprises a bellows disposed between said guide bush and said head;
  • said slider further comprises, said straight tubular portion, said first straight tubular portion, a second straight tubular portion oriented transversely to the first tubular portion and extending therefrom to a connector for a flexible conduit;
  • said withdrawal device comprises a pipe in communication with said drainage means and a valve disposed between said pipe and said outlet port;
  • said drainage means comprise a plurality of perforated gutters and connecting means between said perforated gutters, said draw-off device being in communication with a space delimited by said side wall and by the gutter which is the lowest in said predetermined angular position of pressing;
  • the press comprises a plurality of said withdrawal devices;
  • said recovery means further comprise a tray disposed on the ground in line with said outlet orifice; and or
  • the press comprises an intake assembly of an inert gas in said pressing chamber, said intake assembly being distinct from said withdrawal device,

On notera que l'on connaissait déjà par le demande de brevet allemand DE 10 2004 023 761 un pressoir pour une matière contenant un fluide, en particulier de la vendange, comportant une cage fermée dont l'espace intérieur est subdivisé par au moins une membrane en une chambre d'agent de pression soumise à un agent de pression et une chambre de pressurage recevant la matière. Dans ce pressoir, la chambre de pressurage est remplie d'un gaz à composition bien définie, en particulier un gaz inerte, avant le pressurage de la matière contenant un fluide. Dans ce pressoir, l'alimentation en gaz se fait par une conduite commune de collecte de jus connectée aux espaces intérieurs des éléments de drainage. Une tubulure d'alimentation est prévue pour l'alimentation en gaz et pour la récupération du liquide issu du pressurage de la matière. Aucune indication n'est donnée sur l'agencement structurel de la conduite de collecte, dont on ne sait même pas où se trouve l'orifice de sortie. De même aucun détail d'agencement structurel n'est donné sur la tubulure d'alimentation.Note that we already knew from the German patent application DE 10 2004 023 761 a press for a material containing a fluid, in particular of the harvest, comprising a closed cage whose interior space is subdivided by at least one membrane into a pressure agent chamber subjected to a pressure medium and a pressing chamber receiving the material. In this press, the pressing chamber is filled with a well-defined gas composition, in particular an inert gas, before pressing the fluid-containing material. In this press, the gas supply is via a common juice collection pipe connected to the interior spaces of the drainage elements. A supply pipe is provided for the supply of gas and for the recovery of the liquid resulting from the pressing of the material. No indication is given of the structural arrangement of the collection line, of which it is not even known where the outlet is. Similarly, no structural arrangement details are given on the feed pipe.

L'exposé de l'invention sera maintenant poursuivi par la description d'un exemple préféré de réalisation, donnée ci-après titre illustratif et non limitatif, en référence aux dessins annexés. Sur ceux-ci :

  • la figure 1 est une vue schématique en élévation-coupe d'un pressoir conforme à l'invention, la membrane étant en position de repos, cette vue étant prise comme indiquée en I-I sur la figure 2 ;
  • la figure 2 est une vue schématique en élévation-coupe prise dans la cage du pressoir comme indiqué en II-II sur la figure 1 ;
  • la figure 3 est, en agrandissement, une vue semblable à la partie de la figure 1 que l'on voit à gauche, la cage étant dans une position angulaire différente, dans laquelle s'effectue le pressurage de la matière ; et
  • la figure 4 est une vue semblable à la figure 3, mais où le dispositif de prise de liquide est en position déployée afin de recevoir le jus s'écoulant de la cage.
The description of the invention will now be continued by the description of a preferred embodiment, given hereinafter as an illustrative and non-limiting example, with reference to the appended drawings. On these:
  • the figure 1 is a schematic view in elevation-section of a press according to the invention, the membrane being in the rest position, this view being taken as indicated in II on the figure 2 ;
  • the figure 2 is a diagrammatic view in elevation-section taken in the cage of the press as indicated in II-II on the figure 1 ;
  • the figure 3 is, in enlargement, a view similar to the part of the figure 1 that one sees on the left, the cage being in a different angular position, in which the pressing of the material is carried out; and
  • the figure 4 is a view similar to the figure 3 but where the liquid-taking device is in the deployed position to receive the juice flowing from the cage.

Le pressoir 1 illustré sur les dessins comporte une cage 2 montée à rotation autour de son axe 3 sur des potelets 4 reposant sur le sol.The press 1 illustrated in the drawings comprises a cage 2 rotatably mounted about its axis 3 on posts 4 resting on the ground.

Sous la cage 2 et du côté que l'on voit à gauche sur la figure 1, est disposé un bac 5 de récupération de la partie liquide de la matière traitée, en l'occurrence de récupération du jus de raisin lorsque cette matière est de la vendange. Il est également prévu, pour le cas où l'on souhaite éviter le contact à l'air du liquide, notamment s'il s'agit de jus de raisin à vinifier en blanc, un dispositif 40 de prise de liquide.Under the cage 2 and on the side that we see on the left on the figure 1 , is disposed a tray 5 for recovering the liquid part of the treated material, in this case grape juice recovery when the material is of the vintage. It is also provided, in the case where it is desired to avoid contact with the air of the liquid, especially if it is grape juice to be vinified in white, a device 40 for taking liquid.

La cage 2 présente une paroi latérale cylindrique 6 et deux flasques 7 fermant la cage 2 respectivement à une extrémité et à l'autre extrémité de la paroi latérale 6.The cage 2 has a cylindrical side wall 6 and two flanges 7 closing the cage 2 respectively at one end and at the other end of the side wall 6.

A l'intérieur de la cage 2, est disposée une membrane souple déformable 8 (non représentée sur les figures 3 et 4), fixée de manière étanche, d'une part à la paroi latérale 6 suivant deux bords longitudinaux opposés 9 et, d'autre part, aux flasques 7 suivant deux bords transversaux respectifs 10 chacun situé entre une extrémité d'un bord 9 et une extrémité de l'autre bord 9, la membrane 8 ayant au repos (figures 1 et 2) à peu près la forme d'une moitié de la cage 2.Inside the cage 2 is disposed a flexible deformable membrane 8 (not shown in FIGS. figures 3 and 4 ), fixed in a sealed manner, firstly to the side wall 6 along two opposite longitudinal edges 9 and, secondly, to the flanges 7 along two respective transverse edges 10 each located between an end of an edge 9 and a end of the other edge 9, the membrane 8 having at rest ( Figures 1 and 2 ) about the shape of a half of the cage 2.

Le volume interne de cette dernière est subdivisé par la membrane 8 en une chambre de pressurage 11 et une chambre de commande 12.The internal volume of the latter is subdivided by the membrane 8 into a pressing chamber 11 and a control chamber 12.

La chambre de pressurage 11 est délimitée par la membrane 8, par la moitié de la paroi latérale 6, située entre les bords longitudinaux 9, que l'on voit en haut sur les figures 1 et 2 ainsi que par la moitié de chacun des flasques 7 que l'on voit au-dessus des bords transversaux 10 sur les figures 1 et 2.The pressing chamber 11 is delimited by the membrane 8, by the half of the side wall 6, located between the longitudinal edges 9, which is seen at the top on the Figures 1 and 2 as well as by half of each of the flanges 7 that can be seen above the transverse edges 10 on the Figures 1 and 2 .

La chambre de commande 12 est quant à elle délimitée par la membrane 8 et par l'autre moitié de la paroi latérale 6 et des flasques 7.The control chamber 12 is delimited by the membrane 8 and by the other half of the side wall 6 and the flanges 7.

Pour permettre le montage à rotation de la cage 2 sur les potelets 4, la cage 2 comporte, au centre de chacun des flasques 7, respectivement un tourillon 13 coopérant avec un palier 14 porté par les potelets 4 que l'on voit à gauche sur la figure 1 et un tourillon 15 coopérant avec un palier 16 porté par les potelets 4 que l'on y voit à droite.To allow the rotational mounting of the cage 2 on the posts 4, the cage 2 comprises, in the center of each of the flanges 7, respectively a pin 13 cooperating with a bearing 14 carried by the posts 4 that can be seen on the left. the figure 1 and a journal 15 cooperating with a bearing 16 carried by the posts 4 that can be seen on the right.

Dans l'exemple illustré, le tourillon 13 sert de tubulure à la chambre de commande 12 avec laquelle il est en communication.In the illustrated example, the trunnion 13 serves as a tubing for the control chamber 12 with which it is in communication.

La tubulure 13 permet soit l'aspiration de l'air qui est contenu dans la chambre 12, soit l'admission dans cette chambre d'air comprimé, le raccordement et les canalisations connectés à la tubulure 13 ainsi que le compresseur et la pompe à vide permettant l'admission et l'aspiration d'air comprimé, étant symbolisés sur la figure 1 par les flèches 17 et 18, respectivement.The pipe 13 allows either the suction of the air which is contained in the chamber 12, or the admission into this chamber of compressed air, the connection and the pipes connected to the pipe 13 as well as the compressor and the pump. vacuum allowing admission and suction of compressed air, being symbolized on the figure 1 by the arrows 17 and 18, respectively.

De même que le tourillon 13 sert de tubulure à la chambre de commande 12, le tourillon 15 sert de tubulure à la chambre de pressurage 11, avec laquelle il est en communication. A l'opposé de la cuve 2, la tubulure 15 se prolonge par un ensemble 30 comportant une vanne pneumatique 31 et un raccord 32 pour une conduite de liaison à une source de gaz inerte, la vanne 30 servant à ouvrir ou fermer le passage entre le raccord 31 et la tubulure 15.Just as the trunnion 13 serves as a tubing for the control chamber 12, the trunnion 15 serves as a tubing for the pressing chamber 11, with which it is in communication. In contrast to the tank 2, the tubing 15 is extended by an assembly 30 comprising a pneumatic valve 31 and a connection 32 for a connection line to an inert gas source, the valve 30 serving to open or close the passage between the connection 31 and the tubing 15.

Pour permettre l'introduction de la matière à pressurer dans la chambre 11 et, après pressurage, l'évacuation de la partie solide de cette matière, la paroi latérale 6 est pourvue de deux ouvertures chacune obturable par une porte 19.To allow the introduction of the material to be pressed in the chamber 11 and, after pressing, the evacuation of the solid part of this material, the side wall 6 is provided with two openings each closable by a door 19.

Pour permettre la séparation entre les parties solide et liquide de la matière introduite dans la chambre de pressurage 11, la paroi latérale 6 est équipée de gouttières perforées 20, ici au nombre de sept, qui permettent le drainage de cette matière ainsi qu'expliqué ultérieurement.To allow separation between the solid and liquid parts of the material introduced into the pressing chamber 11, the side wall 6 is equipped with perforated gutters 20, here seven in number, which allow the drainage of this material as explained later. .

Alors que chacune des gouttières 20 est perforée, chaque portion de la paroi 6 située au droit d'une gouttière 20 est pleine.While each of the gutters 20 is perforated, each portion of the wall 6 located at the right of a gutter 20 is full.

Pour chaque espace délimité par la paroi 6 et par une gouttière 20, l'évacuation du liquide hors de la cage 2 s'effectue par un dispositif de soutirage 33 disposé à l'extérieur de la paroi latérale 6 à l'extrémité de la cage 2 que l'on voit à gauche sur les figures 1, 3 et 4. Chaque dispositif 33 comporte une conduite 34 en communication avec l'espace délimité par la paroi 6 et une gouttière 20, l'extrémité distale de la conduite 34 formant un raccord 35 sur lequel est monté une vanne pneumatique 36 dont l'extrémité opposée au raccord 35 forme l'orifice 37 de sortie du dispositif de soutirage 33.For each space delimited by the wall 6 and a channel 20, the liquid is discharged from the cage 2 by a draw-off device 33 disposed outside the side wall 6 at the end of the cage 2 that we can see to the left on the figures 1 , 3 and 4 . Each device 33 comprises a pipe 34 in communication with the space delimited by the wall 6 and a channel 20, the distal end of the pipe 34 forming a connection 35 on which is mounted a pneumatic valve 36 whose end opposite the connection 35 forms the outlet orifice 37 of the withdrawal device 33.

Entre les différentes gouttières perforées 20 sont prévus des conduits 38 (figure 2) qui les relient deux à deux de sorte que le liquide recueilli par l'une des gouttières 20 peut rejoindre les autres gouttières 20 et être évacué par n'importe lequel des dispositifs de soutirage 33, en particulier par celui associé à la gouttière perforée 20 qui est centrale, c'est-à-dire la gouttière 20 de part et d'autre de laquelle il existe ici trois autres gouttières 20.Between the different perforated channels 20 are provided conduits 38 ( figure 2 ) which connect them in pairs so that the liquid collected by one of the gutters 20 can join the other gutters 20 and be evacuated by any of the drawers 33, in particular by that associated with the perforated channel 20 which is central, that is to say the gutter 20 on both sides of which there are three other gutters 20.

Le dispositif de soutirage 33 de la gouttière centrale 20 est associé à une platine 39 saillant radialement du côté externe de la paroi 6, l'orifice de sortie 37 de dispositif 33 débouchant au travers de la platine 39.The withdrawal device 33 of the central gutter 20 is associated with a plate 39 protruding radially from the outside of the wall 6, the outlet orifice 37 of the device 33 opening through the plate 39.

Ainsi qu'expliqué ultérieurement, la platine 39 sert d'organe de connexion au dispositif de prise de liquide 40.As explained later, the plate 39 serves as a connection member to the liquid-taking device 40.

Chacun des dispositifs de soutirage 33, et plus précisément l'orifice de sortie 37 de chaque dispositif 33, est à l'aplomb du bac 5 de sorte que le liquide s'écoulant de l'orifice 37 est recueilli dans le bac 5, lequel est muni en partie basse d'une bonde 41 à laquelle est connectée une conduite de liaison à une cuve de réception du liquide.Each of the withdrawal devices 33, and more precisely the outlet orifice 37 of each device 33, is in line with the tank 5 so that the liquid flowing from the orifice 37 is collected in the tank 5, which is provided at the bottom of a plug 41 to which is connected a connecting line to a liquid receiving tank.

Pour éviter les projections lors de l'écoulement du liquide, des parois de protection 42 et 43 portées par le châssis dont font partie les potelets 4 sont prévues de part et d'autre du bac.To prevent splashing during the flow of the liquid, the protective walls 42 and 43 carried by the frame of which the studs 4 are part are provided on either side of the tray.

Pour entraîner à rotation la cage 2, le pressoir 1 comporte, comme on le voit sur les figures 1, 3 et 4, un moteur électrique 21 porté par les potelets 4 que l'on voit à gauche, l'arbre rotatif du moteur 21 étant équipé d'un pignon 22 qui s'engraine avec un pignon intermédiaire 23, lequel s'engraine également avec une roue dentée 24 montée sur le flasque 7 de la cage 2 que l'on voit à gauche sur les figures 1, 3 et 4, la roue 24 étant centrée, comme la cage 2, sur l'axe 3.To rotate the cage 2, the press 1 comprises, as seen on the figures 1 , 3 and 4 , an electric motor 21 carried by the posts 4 that can be seen on the left, the rotary shaft of the motor 21 being equipped with a pinion 22 which engages with an intermediate gear 23, which also engages with a wheel toothed 24 mounted on the flange 7 of the cage 2 that can be seen on the left on the figures 1 , 3 and 4 , the wheel 24 being centered, like the cage 2, on the axis 3.

Avant d'introduire la matière telle que de la vendange dans la chambre 11, on place la cage 2 dans une position où les portes 19 sont au sommet de la cage 2, on ouvre les portes 19 et on actionne les moyens d'aspiration 18 afin de produire le vide dans la chambre de commande 12, ce dont il résulte que la membrane 8 vient se plaquer sur la paroi latérale 6 et sur les flasques 7.Before introducing the material such as the harvest into the chamber 11, the cage 2 is placed in a position where the doors 19 are at the top of the cage 2, the doors 19 are opened and the suction means 18 are actuated. in order to produce the vacuum in the control chamber 12, which results in the membrane 8 being pressed against the side wall 6 and the flanges 7.

La matière telle que de la vendange est alors introduite par les ouvertures démasquées par les portes 19, cette matière, vu l'emplacement des ouvertures, se répartissant par elle-même de façon relativement régulière dans la chambre de pressurage 11.The material such as the harvest is then introduced through the openings unmasked by the doors 19, this material, given the location of the openings, is distributed by itself relatively evenly in the pressing chamber 11.

Une fois le remplissage effectué, on ferme les portes 19 et on fait passer la cage 2 de la position de remplissage où les portes 19 sont au sommet de la cage 2 à la position de pressurage illustrée sur les figures 3 et 4, ce déplacement angulaire de la cage 2 étant de l'ordre d'un quart de tour (90°).Once the filling is completed, the doors 19 are closed and the cage 2 is moved from the filling position where the doors 19 are at the top of the cage 2 to the pressing position illustrated in FIGS. figures 3 and 4 this angular displacement of the cage 2 being of the order of a quarter turn (90 °).

Dans la position de pressurage, la gouttière 20 qui est centrale, c'est-à-dire la gouttière de part et d'autre de laquelle se trouvent ici trois autres gouttières 20, est dans la position la plus basse de la cage 20.In the pressing position, the gutter 20 which is central, that is to say the gutter on either side of which there are three other gutters 20, is in the lowest position of the cage 20.

Lorsque le contact de la partie liquide de la matière à traiter avec l'atmosphère ne présente pas d'inconvénient particulier, par exemple lorsqu'il s'agit de vendange à vinifier en rouge, la vanne de chacun des dispositifs de soutirage 33 est ouverte dans la position de pressurage de sorte que le liquide peut s'écouler de chacun des orifices 37 et être recueilli dans le bac 5.When the contact of the liquid part of the material to be treated with the atmosphere does not present any particular inconvenience, for example when it is a question of harvest to be vinified in red, the valve of each of the withdrawal devices 33 is open in the pressing position so that the liquid can flow from each of the orifices 37 and be collected in the tray 5.

Lorsqu'au contraire l'on souhaite éviter le contact du liquide avec l'atmosphère, les dispositifs de soutirage 33 restent fermés à l'exception du dispositif de soutirage associé à la gouttière 20 qui est dans la position la plus basse, ici la gouttière centrale. La présence des conduits 38 reliant les gouttières 20 permet à l'ensemble du liquide de s'écouler par ce seul dispositif de soutirage situé au point le plus bas de la cage 2. Le liquide s'écoulant n'est alors pas recueilli dans le bac 5 mais avec le dispositif 40, ainsi qu'illustré sur la figure 4 et expliqué ultérieurement.When, on the contrary, it is desired to avoid contact of the liquid with the atmosphere, the withdrawal devices 33 remain closed except for the draw-off device associated with the gutter 20 which is in the lowest position, here the gutter Central. The presence of the ducts 38 connecting the gutters 20 allows all the liquid to flow through this single withdrawal device located at the lowest point of the cage 2. The flowing liquid is not collected in the tray 5 but with the device 40, as illustrated on the figure 4 and explained later.

Pour forcer l'extraction de la partie liquide (pressurage), par exemple après avoir laissé le liquide s'écouler naturellement (égouttage), on actionne les moyens 17 d'admission d'air comprimé dans la chambre de commande 12.To force the extraction of the liquid part (pressing), for example after having allowed the liquid to flow naturally (dripping), the means 17 for the admission of compressed air are actuated in the control chamber 12.

La membrane 8 s'applique alors contre la matière introduite dans la chambre 11.The membrane 8 then applies against the material introduced into the chamber 11.

Sous l'effet de cette pression et sous l'effet de la gravité, la partie liquide de la matière s'écoule au travers des perforations des gouttières 20 et rejoint soit le bac de récupération 5 au travers des différents dispositifs de soutirage 33 lorsqu'ils sont tous ouverts, soit le dispositif de prise de liquide 40 au travers du seul le dispositif 33 situé dans la position la plus basse, ainsi qu'illustré sur la figure 4 et expliqué ultérieurement.Under the effect of this pressure and under the effect of gravity, the liquid part of the material flows through the perforations of the gutters 20 and joins either the recovery tank 5 through the different draw-off devices 33 when they are all open, ie the device for taking up liquid 40 through only the device 33 located in the lowest position, as illustrated on FIG. figure 4 and explained later.

Une fois que le liquide cesse de s'écouler, on actionne les moyens d'aspiration 18 jusqu'à ce que la membrane 8 soit à nouveau plaquée contre la paroi latérale 6 et contre les flasques 7. Le cas échéant, si le dispositif 40 de prise de liquide est utilisé, on amène son coulisseau tubulaire 46 en position rétractée.Once the liquid stops flowing, the suction means 18 are actuated until the membrane 8 is again pressed against the side wall 6 and against the flanges 7. If necessary, if the device 40 liquid intake is used, it brings its tubular slide 46 in the retracted position.

On fait ensuite tourner la cage 2 pendant un certain temps afin de réaliser un émiettage, c'est-à-dire une dislocation du gâteau de matière qui s'était formé sous l'effet de la pression.The cage 2 is then rotated for a certain time in order to effect crumbling, that is to say a dislocation of the cake of material which has formed under the effect of pressure.

On réalise ensuite un certain nombre de phases de pressurage et d'émiettage puis, lorsqu'on considère que toute la partie liquide de la matière a été extraite, l'on ouvre les portes 19 et l'on fait tourner la cage 2, avec bien entendu la membrane 8 plaquée contre la paroi latérale 6 et les flasques 7, de sorte que la partie solide la matière qui est restée dans la chambre 11 s'évacue progressivement au travers des ouvertures démasquées par les portes 19.A number of pressing and crumbling phases are then carried out, then, when all the liquid part of the material has been extracted, the doors 19 are opened and the cage 2 is rotated, with of course the membrane 8 pressed against the side wall 6 and the flanges 7, of so that the solid part the material which remained in the chamber 11 is evacuated progressively through the openings unmasked by the doors 19.

Comme on le voit plus particulièrement sur les figures 3 et 4, le dispositif de prise de liquide 40 comporte une douille de guidage 45 orientée horizontalement et fixée sur la paroi de protection 42, un coulisseau tubulaire 46 engagé dans la douille 45, un vérin pneumatique 47 dont le corps 48 est fixé aux potelets 4 qui portent le moteur 21 et dont la tige 49 est fixée au coulisseau 46, une conduite rigide 50 portée par les mêmes potelets 4, dont une extrémité, située du côté de la cage 2, est reliée au coulisseau tubulaire 46 par une conduite souple 51 tandis que l'autre extrémité de la conduite rigide 50, située du côté opposé à la cage 2, présente un raccord 52 pour une conduite de liaison à une cuve de réception du liquide.As we see more particularly on figures 3 and 4 , the liquid gripping device 40 comprises a guide sleeve 45 oriented horizontally and fixed on the protective wall 42, a tubular slide 46 engaged in the sleeve 45, a pneumatic cylinder 47 whose body 48 is fixed to the posts 4 which carry the motor 21 and whose rod 49 is fixed to the slide 46, a rigid pipe 50 carried by the same posts 4, one end, located on the side of the cage 2, is connected to the tubular slide 46 by a flexible pipe 51 while the other end of the rigid pipe 50, located on the side opposite the cage 2, has a connection 52 for a connection line to a liquid receiving tank.

Le coulisseau 46 comporte deux portions tubulaires droites disposées transversalement l'une par rapport à l'autre, respectivement une portion 53 relativement longue, par laquelle le coulisseau est engagé dans la douille 45, et une portion 54 relativement courte, s'étendant de la portion 53 à un raccord sur lequel est fixé la conduite souple 51. L'extrémité de la portion 53 située du côté de la cage 2 (extrémité que l'on voit à droite sur les figures 1, 3 et 4) est munie d'une bague 55 portant, du côté opposé à la portion 53, un joint annulaire d'étanchéité 56.The slider 46 comprises two straight tubular portions arranged transversely relative to one another, respectively a relatively long portion 53, through which the slider is engaged in the bush 45, and a relatively short portion 54, extending from the portion 53 to a fitting on which is fixed the flexible pipe 51. The end of the portion 53 located on the side of the cage 2 (end that is seen to the right on the figures 1 , 3 and 4 ) is provided with a ring 55 carrying, on the side opposite the portion 53, an annular sealing gasket 56.

Un soufflet 57 est disposé entre la douille 45 et la bague 55.A bellows 57 is disposed between the sleeve 45 and the ring 55.

La tige 49 du vérin 47 est reliée au coulisseau 46 à l'opposé de la bague 55.The rod 49 of the cylinder 47 is connected to the slide 46 opposite the ring 55.

Le coulisseau 46 est mobile entre la position rétractée illustrée sur les figures 1 et 3 et la position déployée illustrée sur la figure 4, le coulisseau 46 étant entraîné entre ces deux positions par le vérin 47 dont la tige sort du corps 48 pour passer de la position rétractée à la position déployée, alors que la tige 49 rentre dans le corps 48 pour passer de la position déployée à la position rétractée.The slider 46 is movable between the retracted position illustrated on the figures 1 and 3 and the deployed position illustrated on the figure 4 , the slider 46 being driven between these two positions by the cylinder 47 whose rod leaves the body 48 to move from the retracted position to the deployed position, while the rod 49 enters the body 48 to move from the deployed position to the retracted position.

Ainsi qu'on le voit sur les figures 1 et 3, dans la position rétractée, le coulisseau 46, et plus précisément la tête formée par la bague 55 et le joint 56, est à l'écart des dispositifs de soutirage 33 de sorte que le dispositif 40 ne fait pas obstacle à la rotation de la cage 2.As we see on the figures 1 and 3 in the retracted position, the slider 46, and more specifically the head formed by the ring 55 and the seal 56, is away from the withdrawal devices 33 so that the device 40 does not interfere with the rotation of the cage 2.

La position rétractée du coulisseau 46 est définie par la venue en contact de la bague 55 sur l'extrémité distale de la douille 45, la bague 55 formant ainsi une butée de fin de course.The retracted position of the slide 46 is defined by the contacting of the ring 55 on the distal end of the sleeve 45, the ring 55 thus forming an end stop.

Le coulisseau 46 est prévu pour être mis en position déployée après que la cage 2 a été mise dans la position angulaire de pressurage, la platine 39 se trouvant alors dans la position la plus basse de la cage 2 et en regard du coulisseau 46, et plus précisément de la tête formée par la bague 55 et le joint 56, l'orifice 37 étant centré par rapport à cette tête et à la portion droite 53.The slide 46 is designed to be placed in the deployed position after the cage 2 has been placed in the angular pressing position, the plate 39 then being in the lowest position of the cage 2 and facing the slide 46, and more precisely of the head formed by the ring 55 and the seal 56, the orifice 37 being centered with respect to this head and to the straight portion 53.

Ainsi qu'on le voit sur la figure 4, dans la position déployée, le coulisseau 46 vient en contact par le joint 56 contre la platine 39 autour de l'orifice de sortie 37.As we see on the figure 4 in the deployed position, the slide 46 comes into contact with the seal 56 against the plate 39 around the outlet orifice 37.

Il est alors possible d'ouvrir la vanne 36 du dispositif de soutirage auquel est associé la platine 39, le dispositif 40 guidant alors le liquide s'écoulant de l'orifice 37 jusqu'au raccord 52.It is then possible to open the valve 36 of the withdrawal device with which the plate 39 is associated, the device 40 then guiding the liquid flowing from the orifice 37 to the connection 52.

Une fois que le liquide cesse de s'écouler, on ferme la vanne du dispositif de soutirage 33 associé à la platine 39, on actionne le vérin 47 pour faire passer le dispositif 40 dans la position rétractée, on actionne les moyens d'aspiration 18 jusqu'à ce que la membrane 8 soit plaquée contre la paroi latérale 6 et contre les flasques 7 et l'on peut alors faire tourner la cage 2 afin de réaliser un émiettage.Once the liquid ceases to flow, the valve of the draw-off device 33 associated with the plate 39 is closed, the actuator 47 is actuated to move the device 40 into the retracted position, the suction means 18 are actuated. until the membrane 8 is pressed against the side wall 6 and against the flanges 7 and can then rotate the cage 2 to perform a crumbling.

Lorsque la partie liquide de la matière à traiter craint le contact avec l'air, l'ensemble 30 permet d'injecter un gaz inerte à l'intérieur de la cage 2, ce gaz pénétrant par le raccord 32 et rejoignant la cage 2 grâce à l'ouverture de la vanne 31. Une telle injection de gaz peut s'effectuer avant et/ou après le remplissage de la cage 2 avec la matière à traiter, voire pendant les phases d'émiettage.When the liquid part of the material to be treated fears the contact with the air, the assembly 30 makes it possible to inject an inert gas inside the cage 2, this gas penetrating through the connection 32 and joining the cage 2 through at the opening of the valve 31. Such a gas injection can be performed before and / or after filling the cage 2 with the material to be treated, or even during the crumbling phases.

Les différents organes d'actionnement du pressoir 1, en particulier le moteur 21, la vanne 31, les vannes 36 et le vérin 47 sont reliés à une unité de commande programmable qui en contrôle le fonctionnement selon des séquences prédéterminées qui facilitent la tâche de l'utilisateur et permettent au pressoir 1 de fonctionner en toute sécurité. En particulier, cette unité de commande interdit l'actionnement du moteur 21 lorsque le dispositif de prise de jus 40 est en position déployée.The different actuating members of the press 1, in particular the motor 21, the valve 31, the valves 36 and the jack 47 are connected to a programmable control unit which controls the operation according to predetermined sequences which facilitate the task of the control unit. user and allow press 1 to operate safely. In particular, this control unit prohibits the actuation of the motor 21 when the juicing device 40 is in the deployed position.

On voit que le pressoir 1 peut aussi bien être utilisé avec une matière dont la partie liquide craint le contact avec l'air, qui peut en provoquer l'oxydation, par exemple lorsque la matière est de la vendange à vinifier en blanc, qu'avec une matière qui ne craint pas d'être mise en contact avec l'air, par exemple de la vendange à vinifier en rouge.We see that the press 1 can be used with a material whose liquid part fears contact with the air, which can cause oxidation, for example when the material is the grape to be vinified in white, that with a material that does not fear to be in contact with the air, for example from the vintage to be vinified in red.

Dans ce dernier cas, le dispositif de prise de liquide 40 n'est pas utilisé (il reste en position rétractée) et, dans les phases de pressurage, on ouvre l'ensemble des dispositifs de soutirage 33, le liquide étant recueilli dans le bac 5.In the latter case, the liquid intake device 40 is not used (it remains in the retracted position) and, in the pressing phases, all the withdrawal devices 33 are opened, the liquid being collected in the tank 5.

Dans une variante non représentée, afin d'accélérer l'écoulement de la partie liquide lorsque celle-ci doit être protégée de l'air ambiant, il est prévu plusieurs dispositifs de prise de jus 40, par exemple au nombre de trois.In a variant not shown, in order to accelerate the flow of the liquid part when it must be protected from the ambient air, there are provided several juicing devices 40, for example three in number.

Dans une autre variante non illustrée, intéressante dans le cas où la vitesse d'écoulement de la partie liquide ne présente pas d'importance particulière, certains dispositifs de soutirage 33 sont supprimés, voire tous à l'exception bien entendu de celui associé à la platine 39.In another variant not illustrated, interesting in the case where the flow velocity of the liquid part is not of particular importance, some draw-off devices 33 are eliminated, or all except of course that associated with the platinum 39.

Dans d'autres variantes non illustrées, la platine 39 est remplacée par un organe de connexion agencé différemment, par exemple avec une coopération à baïonnette plutôt qu'à simple appui ; et/ou l'organe tubulaire télescopique est différent du coulisseau 46, avec par exemple une forme en T plutôt qu'en L.In other variants not shown, the plate 39 is replaced by a connecting member arranged differently, for example with a bayonet rather than single support; and / or the telescopic tubular member is different from the slide 46, for example with a T-shape rather than L.

Dans d'autres variantes non illustrées, les vannes 31 et 36 et le vérin 47 sont de type différent, par exemple électrique au lieu d'être pneumatique ; le nombre de gouttières perforées 20 est différent de sept, par exemple cinq ; les conduits de liaison entre les gouttières telles que 38 sont externes à la cage plutôt qu'interne à celle-ci ; et/ou l'agent de pression utilisé est différent de l'air comprimé, par exemple de l'eau.In other variants not shown, the valves 31 and 36 and the cylinder 47 are of different type, for example electric instead of being pneumatic; the number of perforated gutters 20 is different from seven, for example five; the connecting ducts between the gutters such as 38 are external to the cage rather than internal to it; and / or the pressure agent used is different from compressed air, for example water.

De nombreuses autres variantes sont possibles en fonction des circonstances, et l'on rappelle à cet égard que l'invention ne se limite pas aux exemples décrits et représentés.Many other variants are possible depending on the circumstances, and it is recalled in this regard that the invention is not limited to the examples described and shown.

Claims (13)

  1. Press for separating the solid and liquid parts of matter such as the grape harvest, comprising:
    - a cage (2) presenting a cylindrical lateral wall (6) and two flanges (7) closing said cage respectively at one end and at the other end of said lateral wall (6);
    - means (4, 13-16) of mounting said cage (2) to rotate about its axis (3) in a position where the latter is positioned horizontally, comprising a chassis (4, 14, 16);
    - means (21-24) for selectively controlling the rotation of said cage (2) about its axis (3);
    - a deformable flexible membrane (8) positioned in said cage, fixed in a seal-tight manner to the lateral wall (6) of the cage along two opposite longitudinal edges (9) and fixed in a seal-tight manner to the flanges (7) along two respective transversal edges (10) each situated between an end of one longitudinal edge (9) and an end of the other longitudinal edge (9) so that said membrane (8) separates the internal volume of said cage (2) into a pressing chamber (11) delimited by said membrane (8), by a first half of said lateral wall (6) situated between said two opposite longitudinal edges (9) and by a first half of each of said flanges (7) situated, relative to the respective transversal edges (10), alongside the first half of the lateral wall (6), and into a control chamber (12) delimited by said membrane (8), by the second half of said lateral wall (6) and by the second half of said flanges (7), said flexible membrane (8), at rest, having almost the form of half of the cage (2) ;
    - means (13, 17) of admitting a pressure agent into said control chamber (12) and means (13, 18) of sucking said pressure agent out of said control chamber (12);
    - at least one door (19) blocking or revealing an opening provided in said first half of the lateral wall (6) of the cage (2) ;
    - drainage means (20) equipping said first half of the lateral wall (6) of the cage (2); and
    - means of recovering said liquid part of the matter leaving the pressing chamber (11) via said drainage means (20);
    characterized in that said recovery means comprise:
    - on the cage (2), at least one external racking device (33), and a connection unit (39) through which opens out the outlet orifice (37) of the racking device (33) ; and
    - on said chassis (4, 14, 16, 42, 43), a liquid sampling device (40) comprising a telescopic tubular unit (46) accepting a retracted position in which said telescopic unit (46) presents no obstacle to the rotation of the cage (2) and an extended position in which said telescopic unit (46) is adapted, when the cage (2) is in a predetermined pressing angular position, to come against said connection unit (39) in a seal-tight bearing manner around the outlet orifice (37) of the racking device (33);
    said connection unit being a plate (39) projecting radially from the lateral wall (6) whereas said telescopic unit (46) comprises an annular sealing gasket (56) by which said telescopic unit (46) is adapted to come into contact against said plate (39) about said outlet orifice (37).
  2. Press according to Claim 1, characterized in that said liquid sampling device (40) comprises a guide bushing (45) whereas said telescopic tubular unit is a slide (46) engaged in said bushing (45) with respect to which it slides, the liquid sampling device (40) comprising a jack (47) to displace said slide (46) between said retracted position and said extended position.
  3. Press according to Claim 2, characterized in that said slide (46) comprises a straight tubular portion (53) engaged in said bushing (45) and provided at one end with a head (55, 56) by which said slide is adapted to bear against said connection unit (39).
  4. Press according to Claim 3, characterized in that said head comprises a ring (55) linked to said straight tubular portion (53) and a sealing annular gasket (56) supported by said ring (55) on the side opposite to said tubular portion (53).
  5. Press according to either of Claims 3 and 4, characterized in that said liquid sampling device (40) comprises a bellows (57) positioned between said guide bushing (45) and said head (55, 56).
  6. Press according to any one of Claims 3 to 5, characterized in that said slide (46) comprises, in addition to said straight tubular portion (53), called first straight tubular portion, a second straight tubular portion (54) oriented transversally to the first tubular portion (53) and extending from the latter to a coupling for a flexible pipe (51).
  7. Press according to any one of Claims 1 to 6, characterized in that said racking device (33) comprises a pipe (34) in communication with said drainage means (20) and a valve (36) positioned between said pipe (34) and said outlet orifice (37).
  8. Press according to any one of Claims 1 to 7, characterized in that said drainage means comprise a plurality of perforated gutters (20) and link means (38) between said perforated gutters (20), said racking device being in communication with a space delimited by said lateral wall (6) and by the gutter (20) which is the lowest in said predetermined pressing angular position.
  9. Press according to Claim 8, characterized in that it comprises a plurality of so-called racking devices (33).
  10. Press according to any one of Claims 1 to 9, characterized in that said recovery means also comprise a tank (5) positioned on the ground vertically in line with said outlet orifice (37).
  11. Press according to any one of Claims 1 to 10, characterized in that it comprises an assembly (30) for allowing inert gas into said pressing chamber (11), said intake assembly (30) being distinct from said racking device (33).
  12. Press according to Claim 11, characterized in that said intake assembly (30) prolongs a nozzle (15) in communication with said pressing chamber (11), said nozzle (15) forming a journal for mounting said cage (2) to rotate on said chassis (4, 14, 16).
  13. Press according to Claim 12, characterized in that said intake assembly (30) comprises a valve (31) and a coupling (32) for a connecting pipe to a source of inert gas, said valve (30) being used to open or close the passage between said coupling (31) and said nozzle (15).
EP08291099.3A 2007-11-23 2008-11-21 Press for material such as that from the grape harvest Active EP2062725B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0759280A FR2924050B1 (en) 2007-11-23 2007-11-23 PRESS FOR MATERIAL SUCH AS HARVESTING

Publications (2)

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EP2062725A1 EP2062725A1 (en) 2009-05-27
EP2062725B1 true EP2062725B1 (en) 2017-06-07

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EP08291099.3A Active EP2062725B1 (en) 2007-11-23 2008-11-21 Press for material such as that from the grape harvest

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US (1) US7640853B2 (en)
EP (1) EP2062725B1 (en)
AR (1) AR069380A1 (en)
AU (1) AU2008249136B2 (en)
CL (1) CL2008003435A1 (en)
ES (1) ES2639381T3 (en)
FR (1) FR2924050B1 (en)
ZA (1) ZA200809916B (en)

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EP2342071A1 (en) * 2008-11-05 2011-07-13 VELO Spa Pressing method and press
FR2948317B1 (en) * 2009-07-24 2011-07-22 Bucher Vaslin PRESSING, PREFERABLY PNEUMATIC, TO SEPARATE THE SOLID AND LIQUID PARTS, STILL CALLED JUICE, OF A MATERIAL, SUCH AS HARVESTING
FR2951737B1 (en) * 2009-10-26 2011-11-25 Bucher Vaslin PRESS EQUIPPED WITH A PRESSING MEMBRANE
IT1403634B1 (en) * 2011-01-17 2013-10-31 Spitaleri METHOD OF PRODUCTION OF A GRAPE-BASED ANALCOLIC DRINK AND PRODUCT OBTAINED BY THIS METHOD.
US9859038B2 (en) 2012-08-10 2018-01-02 General Cable Technologies Corporation Surface modified overhead conductor
ITMI20131779A1 (en) * 2013-10-25 2015-04-26 Siprem Internat S R L EQUIPMENT FOR THE SEPARATION OF LIQUID AND SOLID SUBSTANCES, IN PARTICULAR FOR THE JUICE EXTRACTION FROM FRUIT AND THE LIKE.
SI3825111T1 (en) * 2019-11-18 2024-06-28 Puelo S.p.A. Apparatus for the pressing of vegetable products in controlled inert atmosphere equipped with molecular separator device for self-production of inert gas
WO2022069139A1 (en) * 2020-09-30 2022-04-07 Willmes Anlagentechnik Gmbh Modular press
FR3131507B1 (en) 2022-01-03 2023-11-24 Bucher Vaslin Press, preferably pneumatic, in particular for separating the solid and liquid parts of a material, such as grapes and its closing process
CN218649679U (en) 2022-12-05 2023-03-21 山东小狗宠物用品有限公司 Feeding toy capable of discharging food by pet self-swinging

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FR2399609A1 (en) * 1977-08-05 1979-03-02 Seal Participants Holdings AUTOMATIC CONNECTION OF TWO DUCTS LIKELY TO PRESENT AN ALIGNMENT DEVIATION
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IT1302199B1 (en) * 1998-09-11 2000-07-31 Siprem Internat S R L EQUIPMENT PERFECTED FOR THE SEPARATION OF SOLID LIQUID SUBSTANCES, IN PARTICULAR FOR THE EXTRACTION OF JUICE FROM THE FRUIT AND
FR2812235B1 (en) * 2000-07-27 2003-01-17 Somavi PRESS FOR MATERIAL SUCH AS HARVEST
ES2325070T3 (en) * 2002-10-08 2009-08-25 Mario Pojer APPARATUS AND PROCEDURE FOR PRESSING VEGETABLE PRODUCTS UNDER A CONTROLLED ATMOSPHERE.
AU2003292541A1 (en) * 2003-11-27 2005-06-17 Velo Spa Method and apparatus for pressing grapes and other juicy fruit
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FR2873617B1 (en) * 2004-07-30 2008-01-11 Le Materiel Pera Sa PRESS FOR MATERIAL SUCH AS HARVESTING

Also Published As

Publication number Publication date
AU2008249136B2 (en) 2012-10-18
FR2924050B1 (en) 2010-05-07
ZA200809916B (en) 2009-12-30
US7640853B2 (en) 2010-01-05
ES2639381T3 (en) 2017-10-26
US20090133590A1 (en) 2009-05-28
CL2008003435A1 (en) 2009-12-11
FR2924050A1 (en) 2009-05-29
AU2008249136A1 (en) 2009-06-11
AR069380A1 (en) 2010-01-20
EP2062725A1 (en) 2009-05-27

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