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EP2496513B1 - Füllvorrichtung mit speziellem ventilsystem - Google Patents

Füllvorrichtung mit speziellem ventilsystem Download PDF

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Publication number
EP2496513B1
EP2496513B1 EP10771772.0A EP10771772A EP2496513B1 EP 2496513 B1 EP2496513 B1 EP 2496513B1 EP 10771772 A EP10771772 A EP 10771772A EP 2496513 B1 EP2496513 B1 EP 2496513B1
Authority
EP
European Patent Office
Prior art keywords
valve
main
central
seat
main valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10771772.0A
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English (en)
French (fr)
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EP2496513A1 (de
Inventor
Mickaël HUITOREL
Arnaud Pasquet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidel Participations SAS
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Sidel Participations SAS
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Publication date
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Publication of EP2496513A1 publication Critical patent/EP2496513A1/de
Application granted granted Critical
Publication of EP2496513B1 publication Critical patent/EP2496513B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C3/2608—Filling-heads; Means for engaging filling-heads with bottle necks comprising anti-dripping means
    • 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
    • B67C3/286—Flow-control devices, e.g. using valves related to flow rate control, i.e. controlling slow and fast filling phases

Definitions

  • the present invention relates to a filling device comprising a filling spout and dosing means, intended to equip a filling machine, for filling containers, such as bottles or jars, with all kinds of products, liquid to viscous , in particular a food product.
  • the invention relates in particular to a filling device with dosing means comprising a valve system for limiting the formation of drops after closure.
  • Such filling devices conventionally comprise a filling spout and dosing means for delivering a determined quantity of filling product into a container placed under the filling spout.
  • the filling spout comprises a generally tubular body having an internal passage of longitudinal axis, an open bottom axial end constituting the discharge orifice of the filling spout and a supply port for its supply of filling liquid.
  • the metering means comprise a shut-off valve system movably mounted in the filling spout, and a control system adapted to longitudinally move said valve system to close or open the discharge orifice.
  • the valve control system conventionally comprises a cylinder whose rod passes through an open upper end of the tubular body of the spout, the valve system comprises a valve connected to the free end of the cylinder rod.
  • the inner surface of the tubular body of the filling spout comprises a portion, generally frustoconical, defining a sealing seat.
  • the control system moves the valve between a closed state in which the latter comes by a conical closing portion of its outer surface against the sealing seat and an open state in which said closing portion is spaced from said seat.
  • valve geometry for retaining the drops by capillarity.
  • the valve in the closed state can define with the filling nozzle an annular space in which the filler is retained by capillarity.
  • the valve may also be provided on its lower end edge with ribs defining between them housing in which the product is retained by capillarity.
  • Another solution consists in providing a recess on the lower end edge of the valve in which suction means are arranged to suck and thus retain the filling liquid after closing the valve.
  • the object of the present invention is to provide a new solution to limit the risk of falling drops, especially in the case of filling nozzle whose discharge port has a large diameter.
  • the filling device according to the invention makes it possible to prevent drops from falling at the end of filling, while having a large discharge orifice diameter.
  • the filling device can be used for liquid products, such as water, semi-liquid, such as oil or liquid laundry for example.
  • the control system for the passage of an open state said large flow valve system in which the main valve and the central valve are in their open position, to the closed state of the valve system in which the main valve and the central valve are in their closed position, the control system is initially able to move the main valve to its closed position, in an open state called small flow of the valve system, so that the bulk of the filling product present in said grooves is sucked by the venturi effect by the flow of filler passing through the secondary orifice of said main valve, then to move the central valve to its closed position, the filler present on the lower edge of the central valve is moving by capillarity in said grooves.
  • the lower portion of the outer surface of the main valve comprises a final portion, substantially cylindrical, which extends from the main closure portion to said lower edge and on which open said grooves, the lower part of the inner surface of the tubular body comprising a final portion extending from said main seat to the main orifice, said final portions defining between them, in the closed position of the main valve, a first annular space.
  • the grooves thus open, in the closed position of the main valve, on this annular space which constitutes an additional retention zone for the filling product present on the lower edge of the central valve during the closure of the latter.
  • the lower portion of the inner surface of the main valve comprises a final portion extending from the secondary seat to said lower edge, and on which the grooves open, the lower portion of the outer surface of the central valve comprising a final portion extending from said secondary closure portion to the lower end edge, said final portions defining in the closed position of the central valve and the main valve, a second annular space.
  • the grooves thus open in the closed position of the valves on this second annular space.
  • This second annular space which connects the grooves, allows a good distribution of the filling product in all the grooves during the closing of the central valve, and constitutes an additional retention zone.
  • the lower edge of the central valve has a flat surface, substantially perpendicular to the longitudinal axis of the central valve, or a conical surface, whose cone angle is preferably between 179 ° and 120 °, for example of the order of 150 °, most of this conical surface being disposed within the main valve, recessed relative to the lower edge of the main valve.
  • the filling device comprises a filling spout 1 with a discharge orifice 11 and metering means for delivering a determined quantity of filling product into each container brought under the filling spout.
  • the filling spout 1 is formed of a generally tubular body, of longitudinal axis A, having an internal passage 10a, an open upper axial end 12 and an open lower axial end constituting the discharge orifice 11 of the filling spout. .
  • the tubular body is provided near its upper axial end of a collar 14 assembly.
  • the tubular body may be mounted directly on the rigid bottom wall of the tank of a filling machine, for example of rotary type, its open upper axial end then constituting the nozzle supply orifice, or be assembled to a another piece of the filling spout, by which said spout is assembled to a support structure of the filling machine, and connected to a tank on board the machine or a remote tank.
  • the inner surface 2 of the tubular body comprises, from the upper axial end 12 to the discharge orifice 11, a portion 21 upper substantially cylindrical, and a lower portion 22 comprising a frustoconical portion, which converges in the direction of the discharge port, and which defines a seat 221 shutter, said principal, extending through a substantially cylindrical final portion 222.
  • the metering means comprise a valve system 3, 6 disposed in the filling spout and a control system 9 for moving the valve system to close and open the discharge port.
  • the valve system is double valve type, and comprises a first valve 3, said principal, tubular and a second valve 6, said central, cylindrical, movably mounted in the main valve.
  • the main valve 3 is formed of a tubular body, of longitudinal axis B, open at its two axial ends, having an annular lower edge 32 delimiting a lower, so-called secondary orifice 31, of the main valve, and an edge 33 upper ring.
  • Its outer surface 4 comprises, from the upper edge 33 to the lower edge 32, a substantially cylindrical upper portion 41 and a lower portion 42 which comprises a frustoconical main closure portion 421 which converges towards the discharge orifice and whose conicity corresponds substantially to that of the main seat 221, and a substantially cylindrical portion 422 final.
  • Its inner surface comprises, from the upper edge 33 to the lower edge 32, a substantially cylindrical upper portion 51 and a lower portion 52 which comprises a frustoconical portion which converges towards the discharge orifice and which forms a seat 521 of shutter, said secondary for the central valve, and a portion 522 substantially cylindrical final.
  • the tubular body is formed of a tubular wall comprising a cylindrical section defining internally and externally said cylindrical upper portions 41, 51 of the inner and outer surfaces, a frustoconical section defining said portion 421 of main shutter and said secondary seat 521 and a cylindrical section defining said cylindrical final portions 422, 522.
  • the lower edge 32 is provided with radial grooves 34 opening on the final portions 422, 522 of the outer surface and the inner surface.
  • the central valve 6 is formed of a solid cylindrical body 60, of longitudinal axis C, having an upper end edge 61 and a lower end edge 62.
  • Its outer surface 7 comprises, from its upper end edge to its lower end edge, a generally cylindrical upper portion 71 and a lower portion 72 comprising a secondary frustoconical portion 721 which converges towards its edge. lower end and whose conicity substantially corresponds to that of the seat 521 secondary, and a portion 722 substantially cylindrical end.
  • the lower end edge 62 has a conical surface that converges downwardly.
  • control system 9 comprises a valve stem 91 at the lower end of which is assembled the central valve 6.
  • the main valve 3 is slidably mounted on the rod 91.
  • the main valve is assembled to a bushing 92 comprising a lower portion 921 on which is screwed the main valve, by its upper edge, and an upper portion 922.
  • the valve stem 91 slides in the internal passage of the lower part of the sleeve.
  • the valve stem 91 is equipped with a ring 93 comprising an annular base by which the ring is fixed on the rod, said base bearing on the lower side a tubular wall provided with radial centering fins 94 for centering the rod in the passage. internal spout and thus ensure a coaxial positioning of the main valve and the central valve in the filling spout.
  • a spring 95 is mounted on the valve stem between a fixed shoulder of the valve stem, here formed by the annular base of the ring 93, and an inner shoulder 923 of the socket.
  • This spring compression spring type, tends to move the sleeve 92 of the ring 93, and thus elastically solicits the bushing abutted by its lower edge 924 against the upper edge 61 of the central valve.
  • the main valve has radial openings 35 opening on the upper cylindrical portions 41, 51 of the outer and inner surfaces, below the sleeve, to ensure fluid communication between the internal passage 30a of the main valve and the internal passage 10a. filling spout.
  • valve stem is connected to a control member (not shown) of the control system, such as a cylinder for example pneumatic, the upper end of the cylinder rod being then assembled at the upper end of the rod. cylinder.
  • the main valve In a closed state of the valve system illustrated in figures 1 and 6 , the main valve is in a closed position in which the main closure portion 421 of its outer surface is against the main seat 221, the final portion 422 of its outer surface is spaced from the final portion 222 of the inner surface of the beak , and defines with the latter a first annular space 81 on which the grooves 34 open. Its lower edge 32 is disposed in the spout, slightly set back relative to the discharge orifice 11.
  • the central valve is in a closed position in which the secondary sealing portion 721 of its outer surface is against the secondary seat 521 of the inner surface of the main valve.
  • the final portion 722 of its outer surface is slightly spaced from the final portion 522 of the inner surface of the main valve and defines with the latter a second annular space 82 on which the grooves 34 open.
  • the lower end edge 62 is arranged substantially in the main valve, the top of its cone being substantially disposed at the lower edge 31 of the main valve. In this closed state of the valve system, the rod is in a low position.
  • the further upward movement of the valve stem in a raised position via the control member, drives the central valve upwards.
  • the central valve comes at its upper end edge 61 against the lower edge 924 of the sleeve, and drives the latter upwards.
  • the main valve assembled to the sleeve then deviates from the main seat to its open position illustrated in FIG. figure 5 .
  • the valve system is then in a state called high open flow, the filling product flowing through the orifice 11 of discharge spout.
  • the upper portion 922 of the sleeve 92 is disposed in the ring 93 and slides along the tubular wall of the latter.
  • the dosing means are for example of weight type, the control member being controlled by a weighing sensor which is placed at a container support device.
  • the control member is controlled by a sensor for detecting the filling level of the container or a flow sensor that is interposed between the container and the nozzle at the time of filling, or by a volumetric system.
  • valve system For filling a container, the valve system initially in its closed state of the figure 1 , is brought into its open state small flow of the figure 6 to start filling with a small flow, then in its open state large flow illustrated in the figure 5 .
  • the valve system can be brought directly from its closed state to its open, high-flow state to directly start filling with a large flow rate.
  • valve system At the end of filling, the valve system is brought into its open state small flow illustrated at the figure 6 .
  • the amount of filler present in the first annular space 81 and in the grooves 34 is for the most part sucked, by the venturi effect, by the flow of filler passing through the secondary orifice 31 of said main valve.
  • the valve system is maintained in this open, low flow state for a time sufficient to aspirate and evacuate the filler.
  • valve system is then brought into its closed state illustrated in FIGS. Figures 1 and 3 .
  • the small amount of filling material present on the lower edge 62 of the central valve migrates by capillarity into the grooves interconnected by the second annular space 82, then into the first annular space 81, thus ensuring that no drop falls.
  • the grooves 34 and the annular spaces 81, 82 are sized so as to define a retention volume sufficient to contain the amount of filler that can be retained under the central valve when it is closed.
  • the lower edge 32 comprises for example four first grooves 34a arranged at 90 ° to each other, and four second grooves 34b, of smaller dimensions than those of the first grooves disposed between them at 45 °.
  • the conicity of the lower end edge is defined to allow a capillary migration of the filling product remained under the central valve 6 to the grooves.
  • the filling device according to the invention can also be used for filling carried out only in small flow, with the valve system in the open state small flow.
  • control system comprises a solid control rod carrying at its lower end the central valve, as before, and a hollow control rod carrying at the lower end the main valve, in which the solid rod slides.
  • the sleeve carrying the centering fins is mounted on the hollow rod.
  • Each control rod is then assembled at the upper end to a control member for its movement between its open position and its closed position.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Lift Valve (AREA)

Claims (6)

  1. Füllvorrichtung, umfassend
    - einen Füllausguss (1), der einen allgemein röhrenförmigen Körper (10) umfasst, der einen inneren Durchgang (10a) mit einer Längsachse (A) und ein offenes unteres axiales Ende aufweist, das die Austragöffnung (11) des Füllausgusses darstellt, wobei die Innenfläche (2) des röhrenförmigen Körpers einen unteren Teil (22) umfasst, der einen einen Hauptverschlusssitz (221) definierenden Abschnitt umfasst,
    - Dosiermittel, die ein beweglich im Füllausguss montiertes Ventilsystem (3, 6) und ein Steuersystem (9) umfassen, das geeignet ist, das Ventilsystem in Längsrichtung zwischen einem geschlossenen Zustand, in dem das Ventilsystem über einen Hauptverschlussabschnitt (421) seiner Außenfläche (4) gegen den Hauptsitz zu liegen kommt, um die Austragöffnung zu schließen, und mindestens einem geöffneten Zustand, in dem der Hauptverschlussabschnitt vom Hauptsitz entfernt ist, zu verschieben,
    das Ventilsystem Folgendes umfasst:
    - ein erstes röhrenförmiges, so genanntes Hauptventil (3), das einen unteren ringförmigen Rand (32) umfasst, der eine untere, so genannte sekundäre Öffnung (31) begrenzt, wobei seine Außenfläche (4) einen unteren Teil (42) umfasst, der sich bis zum unteren Rand (32) erstreckt und der den Hauptverschlussabschnitt (421) umfasst, wobei seine Innenfläche (5) einen unteren Teil (52) umfasst, der sich bis zum unteren Rand (32) erstreckt und einen Abschnitt umfasst, der einen so genannten sekundären Verschlusssitz (521) bildet, und
    - ein zweites zylindrisches, so genanntes mittleres Ventil (6), das beweglich im Hauptventil (3) montiert ist und einen unteren Endrand (62) umfasst, wobei seine Außenfläche (7) einen unteren Teil (72) umfasst, der sich bis zum unteren Endrand erstreckt und einen so genannten sekundären Verschlussabschnitt (721) umfasst,
    wobei das Steuersystem geeignet ist, das Hauptventil (3) zwischen einer geschlossenen Position, in der sein Hauptverschlussabschnitt (421) am Hauptsitz (221) anliegt, und mindestens einer geöffneten Position, in der sein Hauptverschlussabschnitt vom Hauptsitz entfernt ist, zu verschieben und das mittlere Ventil (6) zwischen einer geschlossenen Position, in der sein sekundärer Verschlussabschnitt (721) am sekundären Sitz (521) anliegt, und mindestens einer geöffneten Position, in der sein sekundärer Verschlussabschnitt vom sekundären Sitz entfernt ist, zu verschieben,
    wobei das Hauptventil mindestens eine Öffnung (35) umfasst, die eine Fluidverbindung zwischen seinem inneren Durchgang (30a) und dem inneren Durchgang (10a) des Ausgusses gewährleistet, dadurch gekennzeichnet, dass
    der untere Rand (32) des Hauptventils mit radialen Nuten (34) versehen ist, die an der Innenfläche (5) des Hauptventils münden.
  2. Füllvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Steuersystem (9) für den Übergang von einem geöffneten Zustand, dem so genannten Zustand mit großen Durchsatz, des Ventilsystems, in dem das Hauptventil (3) und das mittlere Ventil (6) in ihrer geöffneten Position sind, in den geschlossenen Zustand des Ventilsystems, in dem das Hauptventil und das mittlere Ventil in ihrer geschlossenen Position sind, geeignet ist, zunächst das Hauptventil in einem geöffneten Zustand, dem so genannten Zustand mit geringem Durchsatz, des Ventilsystems in seine geschlossene Position zu verschieben und dann das mittlere Ventil in seine geschlossene Position zu verschieben.
  3. Füllvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass
    - der untere Teil (42) der Außenfläche (4) des Hauptventils (3) einen im Wesentlichen zylindrischen Endabschnitt (422) umfasst, der sich von dem Hauptverschlussabschnitt (421) bis zum unteren Rand (32) erstreckt und an dem die Nuten (34) münden,
    - der untere Teil (22) der Innenfläche (2) des röhrenförmigen Körpers (10) einen Endabschnitt (222) umfasst, der sich vom Hauptsitz (221) bis zur Hauptöffnung (11) erstreckt,
    - die Endabschnitte (422, 222) in der geschlossenen Position des Hauptventils zwischen sich einen ersten ringförmigen Raum (81) definieren.
  4. Füllvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass
    - der untere Teil (52) der Innenfläche (5) des Hauptventils (3) einen Endabschnitt (522) umfasst, der sich vom sekundären Sitz (521) bis zum unteren Rand (32) erstreckt und an dem die Nuten (34) münden,
    - der untere Teil (72) der Außenfläche (7) des mittleren Ventils (6) einen Endabschnitt (722) umfasst, der sich von dem sekundären Verschlussabschnitt (721) bis zum unteren Endrand (62) erstreckt,
    - die Endabschnitte (522, 722) in der geschlossenen Position des mittleren Ventils und des Hauptventils zwischen sich einen zweiten ringförmigen Raum (82) definieren.
  5. Füllvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der untere Rand (62) des mittleren Ventils (6) eine konische Fläche aufweist, deren Konuswinkel zwischen 179° und 120° liegt.
  6. Füllvorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Steuersystem (9) Folgendes umfasst:
    - einen Ventilschaft (91), der sich im Wesentlichen axial im röhrenförmigen Körper (10) erstreckt, wobei das mittlere Ventil (6) am unteren Ende des Ventilschafts montiert ist und das Hauptventil (3) an einer Buchse (92) angebracht ist, die am Ventilschaft zwischen dem mittleren Ventil und einer Schulter des Schafts gleitend montiert ist,
    - eine Feder (95), die zwischen der Buchse und der Schulter montiert ist, um die Buchse in der Richtung des mittleren Ventils elastisch zu beaufschlagen, und
    - ein Stellglied, das geeignet ist, den Ventilschaft zwischen einer unteren Position, in der das mittlere Ventil in seiner geschlossenen Position ist und das Hauptventil von der Feder in seiner geschlossenen Position elastisch beaufschlagt wird, einer Zwischenposition, in der das mittlere Ventil in einer geöffneten Position ist und das Hauptventil von der Feder in seiner geschlossenen Position elastisch beaufschlagt wird, und einer oberen Position, in der das mittlere Ventil in einer geöffneten Position ist und an der Buchse anliegt, und das Hauptventil in geöffneter Position ist, zu verschieben.
EP10771772.0A 2009-11-04 2010-11-03 Füllvorrichtung mit speziellem ventilsystem Active EP2496513B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0957798A FR2952047B1 (fr) 2009-11-04 2009-11-04 Dispositif de remplissage avec systeme de clapet particulier
PCT/EP2010/066708 WO2011054850A1 (fr) 2009-11-04 2010-11-03 Dispositif de remplissage avec systeme de clapet particulier

Publications (2)

Publication Number Publication Date
EP2496513A1 EP2496513A1 (de) 2012-09-12
EP2496513B1 true EP2496513B1 (de) 2015-01-07

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Country Link
US (1) US9233821B2 (de)
EP (1) EP2496513B1 (de)
CN (1) CN102630214B (de)
BR (1) BR112012010474A2 (de)
FR (1) FR2952047B1 (de)
WO (1) WO2011054850A1 (de)

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FR2905121B1 (fr) * 2006-08-28 2010-09-24 Pack Realisations Siege pour un bec de remplissage.

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Publication number Publication date
CN102630214A (zh) 2012-08-08
WO2011054850A1 (fr) 2011-05-12
US9233821B2 (en) 2016-01-12
US20120234435A1 (en) 2012-09-20
BR112012010474A2 (pt) 2016-03-15
CN102630214B (zh) 2015-02-25
EP2496513A1 (de) 2012-09-12
FR2952047A1 (fr) 2011-05-06
FR2952047B1 (fr) 2011-12-09

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