EP2590886B1 - Füllvorrichtung mit flussregelungssystem - Google Patents

Füllvorrichtung mit flussregelungssystem Download PDF

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Publication number
EP2590886B1
EP2590886B1 EP11721024.5A EP11721024A EP2590886B1 EP 2590886 B1 EP2590886 B1 EP 2590886B1 EP 11721024 A EP11721024 A EP 11721024A EP 2590886 B1 EP2590886 B1 EP 2590886B1
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EP
European Patent Office
Prior art keywords
passage
flow
rod
filling
section
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Application number
EP11721024.5A
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English (en)
French (fr)
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EP2590886A1 (de
Inventor
Mickaël HUITOREL
Arnaud Pasquet
Didier Cadiou
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HEMA
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Hema SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • 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 for a machine for filling containers with a filling product, in particular a food product.
  • the present invention relates more particularly to a filling device equipped with a flow control system for filling containers, such as bottles or jars, with all kinds of products, liquid to viscous, especially with products with a tendency to foaming and / or products comprising particles and / or pieces.
  • Filling machines are known, in particular of the rotary type, comprising a rotary carousel with a support structure carrying a tank of filler and a plurality of filling devices.
  • Each filling device conventionally comprises a filling spout, or a dosing spout, a supply duct connecting the tank to the filling spout for supplying the filling spout with filler, and dosing means for delivering a determined quantity of filler in each container brought under the filling spout.
  • the filling spout is conventionally formed of a tubular body having an internal passage of longitudinal axis, an open bottom axial end constituting the discharge orifice of the spout, and a supply orifice connected to the vessel through the conduit of food.
  • the metering means comprise a closure system comprising a valve movably mounted in said tubular body, and a valve actuation system for the longitudinal displacement of said valve between a closed position to close the discharge port and an open position.
  • the valve actuation system conventionally comprises a cylinder whose rod passes through an open upper end of the tubular body of the nozzle, the valve being fixed to the cylinder rod.
  • this solution is not applicable because the jet out of the dosing nozzle is accelerated speed, it is unstable direction, misshapen and turbulent, which causes splashing and promotes the formation of foam.
  • JP 2006 168777 discloses a device according to the preamble of claim 1.
  • the object of the present invention is to provide a solution to overcome at least one of the aforementioned drawbacks, which is simple design and implementation.
  • the subject of the present invention is a filling device for a filling machine according to claim 1.
  • the filling device comprises a flow control system, arranged upstream of the filling spout, formed of a simple rod that is fed into the supply duct, in order to reduce the passage section of the duct. food.
  • the rod extends directly into said internal passage to reduce the passage section of the supply conduit, the rod being directly in contact with the filler flowing in the supply conduit.
  • This restriction of the passage makes it possible to reduce the flow rate of the product arriving at the beak.
  • This restriction of the passage creates turbulence in the flow.
  • This regulation system consisting of a simple rod, is simple design and implementation. It is also space-saving, and can be installed on the supply duct in different configurations, including horizontally or vertically. In the high flow position, the passage section is complete, which leaves the possibility of using the device only in high flow for more viscous products and / or containing pieces, for example pieces of fruit or vegetables.
  • the flow control system can also be used to adapt the filling device to different products, in particular products of different viscosities, the rod being able to adopt multiple intermediate positions deployed between its large flow position and its small flow position.
  • the passage section of the feed duct will be adapted to the viscosity of the product to be metered by making the rod more or less fit into its internal passage.
  • the flow control rod is substantially cylindrical.
  • the central passage comprises from its axial end provided with said axial hole, a first portion preferably substantially cylindrical, whose cross section is greater than the cross section of the flow control rod, a so-called intermediate portion and a second portion, said second portion having a lower section than that of the first portion, the flow control rod in its small flow position extending in said intermediate portion and in the second portion.
  • said first portion is substantially cylindrical
  • said intermediate portion is substantially frustoconical, its section decreasing in the direction of the second portion.
  • a frustoconical portion allows a gradual variation of the passage section between the large flow position and the small flow position.
  • the intermediate passage comprises, upstream to downstream with respect to the direction of flow of the filling product, in particular from the top downwards in the case of a substantially vertical arrangement, the first substantially cylindrical upper portion. , the frustoconical intermediate portion, and the second lower portion.
  • the inner surface of the intermediate portion which defines said intermediate central passage is provided with a longitudinal recess extending along the intermediate portion and the second portion, said recess defining a secondary lateral passage for the intermediate portion. flow of the filling product in the small flow position.
  • the secondary passage opens directly on the intermediate passage, thus limiting the blockage of any pieces of the filling product.
  • the secondary passage is disposed relative to the axis of the central passage on the same side as the upstream passage.
  • the cross section of the upper portion of the intermediate central passage is greater than the cross section of the upstream passage of the upstream portion.
  • the supply duct thus presents singular pressure losses by diverging then converging allowing passage sections Important, and thus the dosage of viscous filler and / or large pieces, this compared to a conventional nozzle comprising first the converge and then the divergent.
  • the upstream passage and the downstream passage open laterally into the lower part of the intermediate central passage.
  • the supply duct thus presents singular pressure drops of the elbow type, allowing large passage sections, and thus the dosing of viscous filling product and / or with large pieces.
  • the device comprises a one-piece component constituting at least a part of the tubular body of the spout, the downstream part of the supply duct, and preferably at least a part of the intermediate portion of the supply duct, on which is mounted the flow control rod, so as to better control the positioning of the various elements of the device with respect to each other, and thus reduce its size, and to obtain a device requiring fewer seals and therefore more hygienic.
  • the flow control rod splits the internal passage of the supply duct into two substantially identical secondary passages, symmetrically disposed on both sides. other of the flow control rod.
  • the creation of two symmetrical secondary passages on either side of the rod makes it possible to standardize the flow rate in the supply duct downstream of the flow control rod.
  • the free end of the flow control rod is advantageously in close proximity to the internal surface of the passage of the supply duct, preferably almost in contact with a small clearance between the free end. and said inner surface.
  • the speed of movement of the rod between its two positions can be controlled by a control system to have a progressive movement between the two positions.
  • the dosing means comprise a control system adapted to control the first actuating system and the second actuating system for maintaining the flow control rod in a small flow position when the valve is moved to the open position at the beginning of dosing, to move the flow control rod during dosing in the retracted position, and to move the flow control rod to the low flow position at the end of dosing, before the valve is moved into position closed.
  • the supply duct has an internal passage of substantially circular section
  • the flow control rod is slidably mounted on the supply duct substantially perpendicular to the longitudinal axis of the internal duct passage
  • said second actuating system is able to radially move the flow control rod in the internal passage of the conduit, substantially perpendicular to the direction of flow of the filler.
  • the flow control rod is cylindrical, of circular cross section smaller than that of the internal passage.
  • the cylindrical surface of the flow control rod also limits turbulence.
  • the flow control rod has a convex surface free end, whose radius of curvature corresponds to that of the internal surface of the internal passage of the supply duct.
  • the supply port is formed laterally in the tubular body.
  • said second control system comprises a jack having a cylinder rod adapted to be connected to the flow control rod, for example via a cylinder rod end, the cylinder body is mounted on the conduit supply and carried by the latter, said cylinder body is mounted at a distance from the supply duct possibly via a plate and via at least one rigid link arm extending parallel and next to the flow control rod, the cylinder rod and any cylinder rod end.
  • said tubular body has an open upper axial end
  • said valve is assembled at the first end of a valve stem
  • said first control system comprises a jack having a jack rod adapted to be connected to the second end of the valve stem for example via a end of the cylinder rod, through said open upper end, the cylinder body is mounted on the body of the nozzle and carried directly by the latter, said cylinder body is mounted above and away from the body of the nozzle via possibly a platinum and via at least one rigid link arm extending parallel and adjacent to the valve stem, the cylinder rod, and any cylinder rod end.
  • the mounting of the actuating systems directly on the supply duct and the nozzle makes it possible to propose a filling device in the form of a module, which can be mounted directly via its supply duct to a filling tank.
  • the control system of the valve is magnetic type.
  • the flow control rod is adapted to be removably mounted to the free end of the cylinder rod by means of a quick-acting coupling system comprising a locking member, and or the second end of the valve stem is adapted to be removably mounted to the free end of the cylinder rod by means of a quick acting coupling system comprising a locking member.
  • the flow control rod can thus be easily disassembled to allow rapid replacement of the seal.
  • a first element among the flow control rod and the cylinder rod is adapted to be inserted into a fitting nozzle or socket mounted at the end of the other element, said second element, the tubular wall of the sleeve comprising at least one slot disposed perpendicularly to the axis of the flow control rod, the locking member of the second coupling system is adapted to be inserted substantially perpendicular to the axis of the flow control rod in said slot and to engage with at least one outer shoulder of the first element, to lock in longitudinal translation the first element in the sleeve.
  • a first element among the valve stem and the cylinder rod is advantageously adapted to be inserted into a connector end or socket mounted at the end of the other element.
  • said second element, the tubular wall of the sleeve comprising at least one slot disposed perpendicularly to the axis of the spout, the locking member the second coupling system is adapted to be inserted substantially perpendicular to the axis of the nozzle in said slot and to engage with at least one outer shoulder of the first element, to lock in longitudinal translation the first element in the sleeve.
  • the Figures 1 to 6 illustrate a filling device, intended to equip a filling machine, for example rotary type, comprising a carousel comprising a support structure rotatably mounted on a fixed frame about a vertical axis of rotation.
  • the support structure carries filling liquid distribution means, formed for example of a cylindrical central vessel, and a plurality of filling devices according to the invention, arranged at regular angular space around the axis of rotation.
  • the filling device can be used for liquid filling products, such as water, milk, fruit juice or detergents, with or without pulps, semi-liquid, such as drinking yoghurt, sauces, vegetable oil or laundry.
  • liquid filling products such as water, milk, fruit juice or detergents
  • pulps such as water, milk, fruit juice or detergents
  • semi-liquid such as drinking yoghurt, sauces, vegetable oil or laundry.
  • the device illustrated in the figures is in particular intended to be used for the dosing of milk.
  • the filling device comprises a filling spout 1 with a discharge port 13 and a lateral supply port 15, a supply duct 2 connected to the supply port 15 for supplying the spout with filling, and dosing means for delivering a determined amount of filler in each container brought under the spout.
  • the spout 1, of longitudinal axis A is formed of a generally tubular body 10 having an internal passage 10a, an open upper axial end 14 and an open lower axial end constituting the discharge orifice 13.
  • the longitudinal axis A of the spout is arranged substantially vertically.
  • the supply duct 2 formed of a rigid tube, has a tubular internal passage 21, substantially rectilinear, of longitudinal axis B, of substantially constant circular section. It is rigidly connected by a first end 22 to the supply port.
  • the filling device is intended to be connected by the second end 23 of the supply duct to the tank of the filling machine.
  • the axis B of the internal passage 21 is slightly inclined with respect to the horizontal, for example about 5 °, to prevent the product from stagnating in the conduit between the filling cycles.
  • the duct is provided at each end with a flange 24, 25, for its assembly by means of two screws 26, on the one hand to the spout, at the level of the supply orifice, and on the other hand to the filling machine tank.
  • the axis B of the passage 21 is aligned along the axis of the lateral supply orifice 15, the latter having a section substantially identical to that of the passage 21.
  • the tubular body consists of two parts: an upper part 11, also called a dosing body, provided with the upper axial end 14 and the supply port; and a lower part 12, also called nozzle, provided with the discharge orifice 13, which is removably mounted on the upper part by means of a locking member formed of a stirrup 16 in the general shape of a U, such as described in French patent application no. 0904645, filed on September 29, 2009 , on behalf of the Applicant Company.
  • the inner surface of the wall of the upper part 11, which defines its internal passage, has its edge 111 greater than its lower edge 112, a cylindrical upper section 113, a frustoconical section 114 progressively increasing downwards, and a section 115 lower cylindrical, the frustoconical section and the lower section being connected by an inner shoulder oriented towards the lower edge.
  • Wall the lower part 12 has a cylindrical outer surface. Its internal surface, which defines its internal passageway, has, from its upper edge to its discharge orifice 13, a cylindrical upper section 121, a frustoconical section 122 progressively narrowing downwards and forming a closure seat, and a section 123 lower cylindrical or frustoconical delimited by the discharge port.
  • the lower part 12 is inserted into the lower section 115 of the upper part, until its upper edge bears against the shoulder, said upper edge being advantageously equipped with a seal.
  • the locking of the two parts 11, 12 is achieved by inserting the two branches of the stirrup 16 in diametrically opposite slots of the upper part 11 and under the shoulder 124 of the lower part 12.
  • the dosing means comprise a closure system 3 comprising a valve 31 disposed in the spout.
  • This valve is controlled opening and closing by a first actuating system 4 comprising a cylinder 41, for example pneumatic.
  • the valve is mounted at a first end of a valve stem 32 which is slidably mounted sealingly through the open upper axial end 14, via a translational guide block 33 which is fixed on the top edge 111 by means of screw (not visible).
  • the guide block has an axial passage 331 equipped with a guide ring 332 in which the valve stem 32 passes.
  • the open upper axial end 14 is equipped with an annular seal 17 held in place by the guide block.
  • the guide block is provided with a transversal hole 333, passing through the block from one side to the other and forming a leakage chamber, which makes it possible to identify any leaks at the joint, and which makes it possible, if necessary, to clean the gasket. rear of said seal 17.
  • the second end of the valve stem 32 is disposed above the guide block 33.
  • the body 411 of the jack is mounted on the upper piece 11 by means of two diametrically opposite support rods 42 and a plate 43.
  • the rods 42 support are fixed on one side to the upper edge 111 of the upper piece and the another side to a plate 43 on which is fixed the body 411 cylinder by means of two screws 2 not shown.
  • the tip 45 of the jack rod extending the rod 413 of cylinder is centered along the axis A and extends downwards between the two support rods, and its free end is mounted at the second end of the valve stem 32.
  • the valve stem is inserted into the cylindrical inner portion 414 of the cylinder rod end 45.
  • a locking member formed of an annular half-ring 43 is inserted into a slot of the rod end. actuator and engages with an outer shoulder of the valve stem for locking in longitudinal translation the valve stem in the cylinder rod end.
  • a sleeve 44 slidably mounted on the cylinder rod end can advantageously be moved from a high position, in which it is disposed above the slot of the rod end 45, towards a low position, in which it just keep the half-ring in inserted position.
  • the jack 41 is able to move the valve 31 in vertical translation in the internal passage of the lower piece between a closed position, in which the valve cooperates with the frustoconical section 122 of the lower piece to close the discharge orifice 13, and an open position illustrated to the figure 4 , to open the discharge port.
  • the cylinder rod is equipped with fins 31 for stabilizing the flow which, in the open position of the valve, extend in the frustoconical section 114 of the passage of the first part and in the cylindrical section 121 of the lower part.
  • the metering means further comprise a flow control system 5 mounted on the supply duct 2.
  • this regulation system comprises a flow control rod 51, of circular cross section, of longitudinal axis C, radially slidingly mounted, in a sealed manner, in a radial hole 27 of the supply duct which opens onto the internal passageway 21 .
  • the circular cross section of the flow control rod 51 is smaller than the circular cross section of the internal passage of the supply conduit.
  • the rod 51 has a free end 51a convex surface, whose radius of curvature substantially corresponds to that of the inner surface of the duct passage.
  • the rod 51 has a cylindrical base 52, of larger circular section, which is slidably mounted in a block 53 for translational guiding, fixed to the duct by means of screws 54 ( Fig.1 ).
  • the guide block has an axial passage 531 provided with a guide ring 532 in which the base 52 passes.
  • the seal is ensured by means of an annular seal 28, for example elastomeric material.
  • Hole 27 has a shoulder 27a facing outwardly.
  • the seal 28 is provided with a flange. The seal is housed in the hole and is held in place by the guide block 53, its flange abutting against said shoulder.
  • the conduit has for example a counterbore 27b in which the guide block is positioned.
  • the guide block is provided with a transverse hole 533, passing through the block from one side to the other and forming a leakage chamber, which makes it possible to identify any leaks at the seal, and which makes it possible, if necessary, to clean the seal. rear of said seal 28.
  • a second actuating system 6 makes it possible to move the flow control rod 51 between a retracted position, called a large flow rate, and an extreme deployed position, called a small flow rate.
  • This second actuating system 6 comprises a jack 61, for example pneumatic.
  • the body 611 of the cylinder is mounted on the pipe 2 by means of two diametrically opposite support rods 62 and a plate 65.
  • the rods 62 support are fixed on one side to the outer surface of the conduit 2 of feed and the another side to a plate 65 on which is fixed the body 611 cylinder by means of two screws not shown.
  • the cylinder rod end 66 extending the cylinder rod 613 is centered along the C axis, and extends downwardly between the two support rods. Its free end is assembled at the end of the base 52, disposed above the guide block 53.
  • the base is inserted into the cylindrical inner portion 614 of the jack rod tip 66 mounted at the end of the cylinder rod 613.
  • a locking member formed of an annular half-ring 63 is inserted into a slot of the cylinder rod end and engages an outer shoulder of the base 52 to lock in longitudinal translation the base in the rod end of cylinder.
  • a sleeve 64 slidably mounted on the cylinder rod can be moved from a high position, in which it is disposed above the slot of the cylinder rod end 66, to a low position, in which it comes to maintain the half-ring in inserted position.
  • the jack 61 is able to move the flow control rod 51 radially in the internal passage 21 between the high flow position, illustrated in FIG. figure 5 , and a small flow position shown at figures 4 and 6 .
  • the rod In the large flow position, the rod is disposed substantially outside of the internal passage. Its free end 51a is disposed substantially at the lower face of the seal 28.
  • the passage section of the supply duct is maximum.
  • the rod 51 In the small flow position, the rod 51 extends in said internal passage 21, its free end 51a is located in close proximity to the inner surface of the passage, opposite the hole 27.
  • the free end 51a can be contact with the surface.
  • the rod is not in contact against the inner surface, a game being maintained between the rod and the inner surface of the passage, for example of a half millimeter, to avoid material surface.
  • the rod in the small flow position forms two passages 29a, 29b ( Fig. 6 ) identical secondary, arranged symmetrically on either side of the rod 51.
  • the passage section can be reduced by 30 to 70% to obtain the small flow rate best suited to the product / container pair.
  • the flow control rod has a diameter of 6 mm, the diameter of the internal passage being 12.6 mm.
  • the passage section is thus about 125 mm 2 , and is reduced in the small flow position to about 50 mm 2 with two secondary passages of about 25 mm 2 , a reduction of the passage section of about 60%.
  • the metering means comprise a control system (not shown) making it possible to drive the cylinders 41, 61.
  • the metering means are, for example, of the weight type, the jacks being servocontrolled by a weighing sensor of the control system, which is placed for example at a container support device associated with the filling device.
  • the cylinders are controlled by a sensor for detecting the filling level of the container or a flow sensor that is interposed between the container and the spout at the time of filling, or a volumetric system.
  • the operation of the filling device according to the invention for filling a container is as follows.
  • the control system controls the jack 41 to move the valve 31 to its open position as illustrated in FIG. figure 4 .
  • the flow of filling product passes on both sides of the stem, by the two passages secondary.
  • the flow then passes into the tubular internal passage 21 and opens into the cylindrical section 113 of the upper part 11, in which the valve rod 32 of substantially constant section extends.
  • This cylindrical section 113 has a substantially constant passage section and a large length for stabilizing the flow.
  • the fins 34 serve to stabilize the flow by channeling the stream lines, which has the effect of making the flow more laminar.
  • the control system then drives the jack 61 to move the regulating rod 51 from its small flow position, illustrated in FIGS. figures 4 and 6 towards its broadband position shown in the figure 5 .
  • the control system drives the jack 61 to move the regulating rod 51 towards its low flow position, and then controls the jack 41 to move the valve 31 towards its closed position.
  • the speed of movement of the cylinder of the flow control rod is advantageously less than that of the valve cylinder.
  • the piston diameter of the cylinder of the flow control rod is for example greater than that of the piston of the valve cylinder.
  • FIGS. 7 to 13 illustrate a filling device according to one embodiment of the invention.
  • the filling device comprises a spout 1 'of filling with a discharge port 13' and a lateral supply port 15 ', a supply duct 2' connected to the supply port 15 'for the supply spout filler, and metering means for delivering a determined amount of filler into each container brought under the spout.
  • the spout 1 ' of longitudinal axis A', is formed of a generally tubular body 10 'having an internal passage 10', an open upper axial end 14 'and an open lower axial end constituting the orifice 13' of discharge.
  • the longitudinal axis A 'of the spout is arranged substantially vertically.
  • the conduit 2 'of supply has an internal passage 21' and is connected by a first end 22 'to the supply port.
  • the filling device is intended to be connected by the second end 23 'of the supply duct to the tank of the filling machine.
  • the tubular body 10 comprises an upper piece 11', also called the measuring body, provided with the upper axial end 14 'and the supply opening 15'; and a lower piece 12 ', also called a nozzle, provided with the discharge orifice 13', which is removably mounted on the upper piece by means of a locking member formed of a stirrup 16 'in the general shape of U.
  • the inner surface of the wall of the upper part 11 ' which defines its internal passage, has from its edge 111' greater than its lower edge 112 ', a cylindrical upper section 113', a frustoconical section 114 'progressively increasing towards the bottom and a cylindrical lower section 115 ', the frustoconical section and the lower section being connected by an inner shoulder oriented towards the lower edge.
  • the wall of the lower part 12 ' has a cylindrical outer surface.
  • Its inner surface, which defines its internal passageway, has, from its upper edge to its discharge orifice 13 ', a cylindrical upper section 121', a frustoconical section 122 which progressively reduces towards the bottom and forms a closure seat, and a lower section 123 'cylindrical or frustoconical delimited by the discharge port.
  • the lower piece 12 ' is inserted into the lower section 115' of the upper piece, until its upper edge bears against the shoulder, said upper edge being advantageously equipped with a seal.
  • the locking of the two parts 11 ', 12' is achieved by inserting the two branches of the stirrup 16 'in diametrically opposite slots of the upper part 11' and under the shoulder 124 'of the lower part 12'.
  • the dosing means comprise a shutter 3 'system comprising a valve 31' disposed in the spout.
  • This valve is controlled in opening and closing by a first system 4 'of actuation comprising a cylinder 41', for example pneumatic.
  • the valve is mounted at a first end of a valve stem 32 'which is sealingly slidably mounted through the open upper axial end 14' via a translational guide block 33 'which is secured to the edge 111 'superior by means of screws.
  • the guide block has a passage 331 'axial equipped a guide ring 332 'in which the valve stem 32' passes.
  • the open upper axial end 14 ' is equipped with an annular seal 17' held in place by the guide block.
  • the guide block is provided with a transverse hole 333 ', passing through the block from one side to the other and forming a leakage chamber, which makes it possible to identify any leaks at the seal, and which makes it possible, if necessary, to clean the seal. rear of said seal 17 '.
  • the second end of the valve stem 32 ' is disposed above the guide block 33'.
  • the body 411 'of the cylinder is mounted on the upper part 11' by means of two diametrically opposite support rods 42 'and a plate 43'.
  • the rods 42 'support are fixed on one side to the lateral lugs of the guide block, and on the other side to a plate 43' on which is fixed the body 411 'cylinder for example by means of two screws.
  • the tip 45 'of cylinder rod extending the rod 413' of cylinder is centered along the axis A 'and extends downwards between the two support rods, and its free end is mounted at the second end of the rod 32 'of flap.
  • the valve stem is inserted into the cylindrical inner portion 414 'of the cylinder rod end 45'.
  • a locking member formed of an annular half-ring 43 ' is inserted into a slot of the cylinder rod end and engages an outer shoulder of the valve stem to lock the valve stem longitudinally in the rod end of cylinder.
  • a sleeve 44 'slidably mounted on the cylinder rod end can advantageously be moved from a high position, in which it is disposed above the slot of the rod end 45', towards a low position, in which it comes to maintain the half-ring in inserted position.
  • the cylinder 41 ' is able to move the valve 31' in vertical translation in the internal passage of the lower part between a closed position, as illustrated in FIG. figure 10 , in which the valve cooperates with the frustoconical portion 122 'of the lower piece to close the discharge orifice 13', and an open position illustrated in FIG. figure 12 , to open the discharge port.
  • the cylinder rod is equipped with fins 31 'for stabilizing the flow which, in the open position of the valve, extend in the frustoconical section 114' of the passage of the first part and in the section 121 'of the cylinder. lower room.
  • the metering means further comprise a flow control system 5 'mounted on the feed duct 2'.
  • the intermediate central passage 80 ' comprises, from top to bottom, a generally cylindrical upper portion 81' of greater cross-section than that of the downstream passage 70 ', a frustoconical intermediate portion 82' whose section decreases from top to bottom, and a substantially cylindrical lower portion 83 '.
  • the upstream passage 70 ' opens out laterally into the upper portion 81' of the intermediate central passage. Its axis B'1 is slightly inclined relative to the horizontal, for example about 5 °, to prevent product stagnates in this upstream portion between filling cycles.
  • the passage 70'b downstream opens laterally into the lower portion 83 'of the central passage, opposite the passage 70'a upstream with respect to the axis B'2.
  • Its B'3 axis is for example disposed approximately at 45 ° relative to the horizontal.
  • the B'3 axis is disposed at approximately 90 ° of the axis B'2, preferably with a slight angle relative to the horizontal to avoid stagnation of the product.
  • the internal surface forming the central passage B'2 axis has a longitudinal recess of generally semicircular cross section extending along the frustoconical portion and the lower portion, said recess forming a secondary lateral passage 84 '.
  • the secondary lateral passage is disposed substantially in the same plane as the axes B'1 and B'2 and B'3, and is arranged relative to the axis B'2 on the same side as the axis B'1.
  • the control system comprises a flow control rod 51 'of circular cross-section, a substantially vertical longitudinal axis C', axially slidably mounted in a sealed manner, in an axial hole 27 'of the supply duct formed the upper end of its intermediate portion, the hole opening on the upper portion 81 'of the central passage.
  • the circular cross section of the rod 51 ' is smaller than the cross section of the upper portion 81'.
  • the rod has a cross section substantially equal to the section of the portion 83 'lower, preferably slightly lower.
  • the rod has a portion 55 'of slightly larger section end than the rest of the rod, the cross section being substantially equal to or slightly smaller than the section of the portion 83' below the level of this portion 55 'end.
  • the rod 51 ' is slidably mounted in a translation guide block 53', fixed on the upper edge of the intermediate portion 8 of the conduit for example by means of screws 54 '.
  • the guide block has an axial passage 531 'provided with a guide ring 532' in which the rod 51 'passes.
  • Sealing is provided by means of an annular seal 28 ', for example of elastomeric material.
  • Hole 27 ' has an outwardly directed shoulder.
  • the seal 28 ' is provided with a flange. The seal is housed in the hole and is held in place by the guide block 53 ', its flange abutting against said shoulder.
  • the conduit has for example a bore in which the guide block is positioned.
  • the guide block is provided with a hole 533 'transverse, passing through the block from side to side and forming a leakage chamber, which can identify any leaks at the seal, and which allows if necessary cleaning the l rear of said seal 28 '.
  • a second actuating system 6 ' makes it possible to move the flow control rod 51' between a retracted position, called a large flow rate and an extreme deployed position, called a small flow rate.
  • This second system 6 ' actuator comprises a cylinder 61 ', for example pneumatic.
  • the body 611 'of the jack is mounted on the guide block by means of two diametrically opposite rods support 62' and a plate 65 '.
  • the rods 62 'support are fixed on one side to two lateral lugs of the guide block 53' and on the other side to a plate 65 'on which is fixed the body 611' of the jack, for example by means of two screws.
  • the tip 66 'of the cylinder rod extending the cylinder rod 613' is centered along the axis C ', and extends downwards between the two support rods. Its free end is assembled to the portion 52 'of the rod, disposed above the block 53' guide.
  • the rod is inserted into the cylindrical inner portion 614 'of the jack rod end 66' mounted at the end of the jack rod 613 '.
  • a locking member formed of an annular half-ring 63 ' is inserted into a slot of the cylinder rod end and engages an outer shoulder of the rod 51' to lock in longitudinal translation the rod in the rod end of cylinder.
  • a sleeve 64 'slidably mounted on the cylinder rod can be moved from a high position, in which it is disposed above the slot of the cylinder rod end 66', to a low position, in which it just keep the half-ring in inserted position.
  • the cylinder 61 ' is able to move in vertical translation the flow control rod 51' axially in the central passage 80 ', between the large flow position, illustrated in FIG. figure 13 , and a small flow position illustrated in Figures 10 to 12 .
  • the rod 51 ' In the large flow position, the rod 51 'is disposed substantially outside the internal passage 21', only its end portion 55 'being disposed in the upper portion 81' of the central passage, below the underside of the seal 28 .
  • the passage section of the supply duct is maximum.
  • the rod 51 ' extends in the upper portion 81' and in the frustoconical portion 82 'of the central passage, the end portion 55' being disposed in this frustoconical portion, above the portion 83 lower.
  • the dosing means comprise a control system (not shown) for controlling the jacks 41 ', 61'.
  • the dosing means are, for example, of the weight type, the jacks being servocontrolled by a weighing sensor of the control system, which is placed for example at a container support device associated with the filling device.
  • the cylinders are controlled by a sensor for detecting the filling level of the container or a flow sensor that is interposed between the container and the spout at the time of filling, or a volumetric system.
  • the operation of the filling device according to the invention for filling a container is as follows.
  • the control system controls the jack 41' to move the valve 31 'to its open position as illustrated in FIG. figure 12 .
  • the flow of filling product from the upstream passage 70 ' enters the annular upper portion formed by the rod 51' positioned in the upper portion 81 'of the central passage, then by the lateral passage 84' secondary, and by the passage annular frustoconical formed by the end portion 55 'of the rod positioned in the frustoconical portion 82'.
  • the flow then passes into the lower portion 83 'of the central passage, into the downstream passage 70', then into the cylindrical section 113 'of the upper part 11', in which the valve stem 32 'extends.
  • This cylindrical section 113 ' has a large length for stabilizing the flow.
  • the fins 34 serve to stabilize the flow by channeling the stream lines, which has the effect of making the flow more laminar.
  • the control system then drives the jack 61 'to move the regulating rod 51' from its small flow position to its high flow position, as shown in FIG. figure 13 .
  • the control system drives the jack 61 'to move the regulating rod 51' towards its small flow position, then controls the jack 41 'to move the valve 31' towards its closed position as illustrated in FIG. the figure 10 .
  • the speed of movement of the cylinder of the flow control rod is advantageously less than that of the valve cylinder.
  • the piston diameter of the cylinder of the flow control rod is for example greater than that of the piston of the valve cylinder.
  • the flow control rod moves vertically in the flow direction of the product to move from one position to another.
  • the secondary lateral passage opens directly in the central passage, which limits the risk of blocking pieces, the pieces possibly stuck in the secondary passage in the small flow position can be evacuated when the flow control rod is returned to the high flow position.
  • Pressure losses are also created by the divergent form by the increase in section between the upstream passage and the upper portion of the central passage, then by the converge formed by the decrease in section between this upper portion and the lower portion of the central passage. and the downstream passage.
  • the passage section is not divided into two parts, as in the previous embodiment, which allows dosing in small flow filler products with markers (pulps, herbs, .... ) or smaller pieces of larger size.
  • the spout nozzle body 11 ' is formed of two generally cylindrical parts, a cylindrical lower portion 11' a on which the nozzle 12 'is mounted, and a cylindrical upper portion 11' b provided with the upper axial end 14 'and the supply port 15'.
  • the device comprises a single piece 90 'constituting said upper part 11'b of the spout, the part 7'b downstream of the supply duct and a tubular part, referenced 91', in which are constituted the lower portion 83 'and the frustoconical portion 82 'of the central passage and the lateral passage 84' secondary.
  • This piece 9 is assembled by its part 11'b to part 11'a of the metering body, for example by screwing, by inserting a gasket 92 'sealing.
  • the remainder of the intermediate portion of the duct is formed by a tubular piece 93 'constituting the upper portion 81' of the central passage, and provided with the axial hole 27 'and a lateral hole 93'a.
  • This tubular piece 93 ' is assembled by its lower edge to the tubular portion 91', for example by screwing, by inserting a sealing gasket 94 '.
  • This piece 90 limits the number of seal and ensure a precise distance between the rod 32' cylinder and the rod 52 'flow control and thus optimize the size of the device.
  • the device comprises identical blocks 33 ', 53' for the two actuating systems, as well as identical seals 17 ', 27' for sealingly mounting the rod 32 ' cylinder and the rod 51 'flow control.
  • the downstream portion 7a of the supply duct is formed of a rigid tube provided at each end with a flange 25'a, 25'b, for its assembly, on the one hand to the intermediate portion 8 ', level 93'a lateral hole of the room 93 'which opens into the upper portion of the central passage, and secondly to the tank of the filling machine.
  • the axis B'1 of the upstream passage 70'a is aligned along the axis of the lateral hole 93'a, the latter having a section substantially identical to that of the upstream passage.
  • the stroke of the flow control rod can be adjusted via a control system 616 ', for example screw, to obtain the small flow best suited to the filler and the container.
  • the stroke of the rod 51 ' is adjusted so that in small flow, the end portion 55' of the rod is disposed beyond the frustoconical portion 82 'of the central passage, at its portion 83' lower .
  • the rod In small flow, the rod almost completely closes the central passage, the flow of filling product passing through the secondary lateral passage, arranged parallel to the central passage, and of reduced section relative to the central passage.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Basic Packing Technique (AREA)

Claims (9)

  1. Füllvorrichtung für eine Füllmaschine, umfassend
    - einen Füllstutzen (1'), aus einem röhrenförmigen Korpus (10') gebildet, der einen internen Durchlass (10'a) in einer Längsachse (A') aufweist, ein offenes unteres axiales Ende, welches die Entladeöffnung (13') bildet und eine Zufuhröffnung (15'),
    - eine Zufuhrleitung (2') zum Zuführen des Füllmaterials zum Füllstutzen, welche durch ein erstes Ende mit der Zufuhröffnung verbunden ist,
    - Dosiermittel, umfassend:
    -- ein Verschlusssystem (3'), eine Klappe (31') umfassend, die imstande ist, mobil im röhrenförmigen Korpus montiert zu werden, und
    -- ein erstes Betätigungssystem (4'), das imstande ist, die Klappe in Längsrichtung zwischen einer geschlossenen Position zum Schließen der Entladeöffnung (13') und zumindest einer offenen Position zu verschieben,
    -- ein Flussregelungssystem (5'), das an der Zufuhrleitung (2') montiert ist, wobei das Flussregelungssystem umfasst:
    - eine Flussregulierungsspindel (51'), die gleitend, in einer im Wesentlichen dichten Form in einem Loch (27') der Zufuhrleitung (2') montiert ist, und
    - ein zweites Betätigungssystem (6'), das imstande ist, die Flussregulierungsspindel zwischen
    einer eingefahrenen Position, hoher Fluss genannt, in welcher die Spindel im Wesentlichen außerhalb des internen Durchlasses (21') der Zufuhrleitung (2') angeordnet ist, und
    einer ausgefahrenen Position, niedriger Fluss genannt, zu verschieben, in der sich die Spindel in dem internen Durchlass (21') erstreckt, um den Durchlassquerschnitt der Zufuhrleitung (2') zu verringern,
    dadurch gekennzeichnet, dass die Zufuhrleitung (2') umfasst
    - einen Zwischenabschnitt (8'), der einen zentralen Zwischendurchlass (80') definiert,
    - einen vorgelagerten Abschnitt (7'a), der einen vorgelagerten Durchlass (70'a) definiert
    - und einen nachgelagerten Abschnitt (7'b), der einen nachgelagerten Durchlass (70'b) definiert,
    wobei die Flussregulierungsspindel (51') gleitend in einem axialen Loch (27') montiert ist, das an einem axialen Ende des Zwischenabschnitts (8') der Zufuhrleitung (2') gebildet wird, wobei das zweite Betätigungssystem (6') imstande ist, die Flussregulierungsspindel im zentralen Zwischendurchlass (80') axial zu verschieben,
    dadurch, dass der zentrale Durchlass (80') aus seinem axialen Ende heraus, das mit dem axialen Loch (27') versehen ist, einen ersten Abschnitt (81') umfasst, dessen Querschnitt größer ist, als der Querschnitt der Flussregulierungsspindel (51'), einen Zwischenabschnitt (82') genannten Abschnitt, und einen zweiten Abschnitt (83'), wobei der zweite Abschnitt (83') einen Querschnitt aufweist, der kleiner ist, als jener des ersten Abschnitts (81'), wobei sich die Flussregulierungsspindel (51') in ihrer Position mit niedrigem Fluss in dem Zwischenabschnitt und in dem zweiten Abschnitt erstreckt, und
    dadurch, dass die Innenfläche des Zwischenabschnitts (8'), die den zentralen Zwischendurchlass (80') definiert, mit einer Längsvertiefung versehen ist, die sich entlang des Zwischenabschnitts (82') und des zweiten Abschnitts (83') erstreckt, wobei die Vertiefung einen seitlichen Sekundärdurchlass (84') für den Ablauf des Füllmaterials in der Position mit niedrigem Fluss definiert.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Zufuhrleitung (2') umfasst
    - den Zwischenabschnitt (8'), der im Wesentlichen vertikal angeordnet ist,
    - den vorgelagerten Durchlass (70'a), der seitlich in einen ersten Abschnitt (81') mündet, der oberer Abschnitt des zentralen Durchlasses (80') des Zwischenabschnitts (8') genannt wird, und den nachgelagerten Durchlass (70'b), der in einen zweiten Abschnitt (83') mündet, der unterer Abschnitt des zentralen Durchlasses genannt wird,
    - die Flussregulierungsspindel (51'), die gleitend, im Wesentlichen vertikal im axialen Loch (27') montiert ist, das am oberen Ende des Zwischenabschnitts der Zufuhrleitung angeordnet ist.
  3. Vorrichtung nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass die Flussregulierungsspindel (51') im Wesentlichen zylindrisch ist.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der erste Abschnitt (81') im Wesentlichen zylindrisch ist, der Zwischenabschnitt (82') im Wesentlichen kegelstumpfförmig ist.
  5. Vorrichtung nach Anspruch 3 und 4, dadurch gekennzeichnet, dass der Zwischenabschnitt (82') im Verhältnis zur Ablaufrichtung des Füllmaterials von vorgelagert bis nachgelagert den ersten im Wesentlichen zylindrischen oberen Abschnitt (81'), den kegelstumpfförmigen Zwischenabschnitt (82') und den zweiten unteren Abschnitt (83') umfasst.
  6. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Querschnitt des oberen Abschnitts (81') des zentralen Zwischendurchlasses (80') größer ist, als der Querschnitt des vorgelagerten Durchlasses (70'a) des vorgelagerten Abschnitts.
  7. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der vorgelagerte Durchlass (70'a) und der nachgelagerte Durchlass (70'b) seitlich in den unteren Abschnitt des zentralen Zwischendurchlasses (80') münden.
  8. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sie ein einteiliges Teil umfasst, das zumindest einen Abschnitt des röhrenförmigen Korpus (10') des Stutzens (1'), den nachgelagerten Abschnitt (7'a) der Zufuhrleitung und zumindest einen Abschnitt des Zwischenabschnitts (8') der Zufuhrleitung bildet.
  9. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Zufuhröffnung (15') seitlich im röhrenförmigen Korpus gebildet wird.
EP11721024.5A 2010-07-08 2011-05-12 Füllvorrichtung mit flussregelungssystem Active EP2590886B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1055583A FR2962413B1 (fr) 2010-07-08 2010-07-08 Dispositif de remplissage avec systeme de regulation de debit
PCT/EP2011/057733 WO2012004034A1 (fr) 2010-07-08 2011-05-12 Dispositif de remplissage avec systeme de regulation de debit

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EP2590886A1 EP2590886A1 (de) 2013-05-15
EP2590886B1 true EP2590886B1 (de) 2018-08-15

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US (1) US9114969B2 (de)
EP (1) EP2590886B1 (de)
CN (1) CN103025643B (de)
FR (1) FR2962413B1 (de)
WO (1) WO2012004034A1 (de)

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Also Published As

Publication number Publication date
FR2962413A1 (fr) 2012-01-13
EP2590886A1 (de) 2013-05-15
CN103025643A (zh) 2013-04-03
US20130112719A1 (en) 2013-05-09
WO2012004034A1 (fr) 2012-01-12
FR2962413B1 (fr) 2012-08-24
US9114969B2 (en) 2015-08-25
CN103025643B (zh) 2014-12-24

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