EP3572372B1 - Füllstutzen für füllmaschinen, insbesondere ponderal-füllmaschinen, von behältern wie fässern, flaschen, dosen und/oder ähnlichem - Google Patents

Füllstutzen für füllmaschinen, insbesondere ponderal-füllmaschinen, von behältern wie fässern, flaschen, dosen und/oder ähnlichem Download PDF

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Publication number
EP3572372B1
EP3572372B1 EP19175331.8A EP19175331A EP3572372B1 EP 3572372 B1 EP3572372 B1 EP 3572372B1 EP 19175331 A EP19175331 A EP 19175331A EP 3572372 B1 EP3572372 B1 EP 3572372B1
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EP
European Patent Office
Prior art keywords
piston
filling
fluid
hollow body
dispensing opening
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Active
Application number
EP19175331.8A
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English (en)
French (fr)
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EP3572372A1 (de
Inventor
Umberto Martini
Matteo CAVALCA
Massimo Boselli
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OCME SRL
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OCME SRL
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Publication of EP3572372A1 publication Critical patent/EP3572372A1/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
    • B67C3/28—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • B65B39/004—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves moving linearly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • B65B57/14—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
    • B65B57/145—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged for fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/20—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups
    • B67C3/206—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups using arrangements of cylinders and pistons

Definitions

  • the present invention relates to a filling nozzle for filling machines, in particular weight-grading machines, for containers such as drums, bottles, cans and/or the like.
  • the object of the present invention can be used in particular in the sector of packaging drums, bottles, cans and/or the like, with liquids of different kinds.
  • the filling of the aforesaid containers is generally performed by means of filling machines and/or similar filling devices like the ones disclosed in documents WO2016/151227A1 and GB2017815A .
  • suitable devices are provided for detecting and verifying the filling status of the containers.
  • such detection devices provide the aid of scales and/or flow measurers that instantaneously detect the quantity of liquid entering into the respective container being filled.
  • the dispensing is definitively interrupted to allow the removal of the filled container and the positioning of a new empty container to be filled.
  • the dispensing of the liquid is made possible by a filling valve that is connected to an appropriate supply pipe.
  • the filling valve is controlled by a central control unit of the filling machine that manages the advance time of the closing of the latter during the final filling step.
  • the advance time is established on the basis of the data detected in the previous filling.
  • the filling nozzles receive the filling liquid in different conditions from the previous filling, thus not succeeding in guaranteeing the same desired weight and/or volume value.
  • each valve associated with the respective filling nozzle totally and quickly closes the respective pipe generating upstream thereof the undesired phenomenon of water hammer that causes a significant increase in pressure along the pipe with the risk of producing various kinds of damage to the whole filling liquid supply system.
  • the main aim of the present invention is to propose a filling nozzle for filling machines, in particular weight-grading machines, for containers such as drums, bottles, cans and/or the like, able to solve the problems encountered in the prior art.
  • An aim of the present invention is to ensure that the filling conditions are repeated during each filling cycle.
  • a further aim of the present invention is to eliminate and/or drastically reduce water hammer due to the quick closure of the valves of the dispensing nozzles.
  • a filling nozzle for filling machines in particular weight-grading machines, for containers such as drums, bottles, cans and/or the like, according to claim 1.
  • number 1 indicates overall a filling nozzle for filling machines, in particular weight-grading machines, for containers such as drums, bottles, cans and/or the like, according to the present invention.
  • the filling nozzle 1 comprises a hollow body 2 defining an inner channel 3 for the transit of a fluid 4 intended to fill at least one container 5, such as a drum, a bottle, a can and/or a similar container.
  • the hollow body 2 is provided with at least one supply duct 6 of the fluid 4 connectable to a respective supply source of the fluid 4 (not illustrated in the appended figures being known).
  • the hollow body 2 further provides at least one dispensing opening 7 of the fluid 4 arranged substantially on the opposite side with respect to the supply duct 6.
  • the filling nozzle 1 comprises at least one valve member 8 operatively associated with the dispensing opening 7 of the hollow body 2.
  • the valve member 8 is switchable between a first condition ( Figures 1 , 5 and 6 ), wherein it sealingly obstructs the dispensing opening 7 of the hollow body 2 to prevent the fluid 4 outflow through the latter and a second condition ( Figures 2 to 4 ), wherein it disengages the dispensing opening 7 of the hollow body 2 to allow the fluid 4 outflow from the latter.
  • the filling nozzle 1 comprises at least a piston 9 operatively engaged in the inner channel 3 of the hollow body 2.
  • the piston 9 is controllable as for movement and/or switching for isolating the dispensing opening 7 of the hollow body 2 with respect to the supply duct 6 of the fluid 4 and for determining the controlled outflow, from the dispensing opening 7 of the hollow body 2, of the fluid 4 present between the latter and the piston 9.
  • the piston 9 is movable between a first position ( Figures 1 to 3 and 6 ), wherein the supply duct 6 of the hollow body 2 is in fluid communication with the dispensing opening 7 of the hollow body 2 through the inner channel 3 of the latter and a second position ( Figures 4 and 5 ), wherein the piston 9 is interposed between the supply duct 6 and the dispensing opening 7 of the hollow body 2.
  • the piston 9 comprises and/or defines at least one transit channel 10 at which a valve 11 is operatively arranged.
  • the valve 11 is switchable between a first condition ( Figures 1 to 4 ) wherein it closes the transit channel 10 of the piston 9 and a second condition ( Figures 5 and 6 ), wherein it opens the transit channel 10 of the piston 9 in order to allow the transit of the fluid 4 through the latter and, therefore, to allow the displacement of the piston 9 into the inner channel 3 of the hollow body 2 when the valve member 8 is in the first condition.
  • the piston 9 is engaged with an end 12 of a stem 13 of an actuator 14, preferably of the electric type, having a cylinder aligned with the inner channel 3 of the hollow body 2 of the filling nozzle 1.
  • valve member 8 of the latter when an empty container 5 is at a respective filling nozzle 1 ( Figure 1 ), the valve member 8 of the latter is in the first condition so as to keep the respective dispensing opening 7 closed, whereas the respective piston 9 is arranged in the first position, i.e. above the related supply duct 6 of the fluid 4.
  • the fluid 4 that comes from the supply duct 6 fills the inner channel 3 of the hollow body 2 of the filling nozzle 1 ( Figure 1 ). Subsequently, the valve member 8 is switched from the first condition to the second condition ( Figure 2 ) to open the dispensing opening 7 of the hollow body 2 of the respective dispensing nozzle 1.
  • valve member 8 The switching of the valve member 8 from the first to the second condition determines the lifting of the latter into the hollow body 2, as well as its consequent disengagement from the respective dispensing opening 7 that opens.
  • the fluid 4 contained in the inner channel 3 of the hollow body 2 of the filling nozzle 1 starts to flow through the dispensing opening 7 to drop into the respective container 5 that starts to be filled.
  • the filling of the container 5 proceeds ( Figure 3 ) according to the same method until appropriate detection devices 1a, such as a scale, a flow detector and/or a similar detection unit of the filling of the container 5, appropriately associated with the filling nozzle 1 and/or the container 5, do not detect the reaching of a predetermined filling weight/volume indicative of the start of a final filling step that must be performed in a controlled way.
  • appropriate detection devices 1a such as a scale, a flow detector and/or a similar detection unit of the filling of the container 5, appropriately associated with the filling nozzle 1 and/or the container 5, do not detect the reaching of a predetermined filling weight/volume indicative of the start of a final filling step that must be performed in a controlled way.
  • the piston 9 with the transit channel 10 closed by the valve 11 switched in the first condition is activated to move by the actuator 14 from the first to the second position.
  • the piston 9 is then displaced along the inner channel 3 of the hollow body 2 towards the dispensing opening 7 of the latter passing in front of the supply duct 6 of the fluid 4.
  • the latter gradually reduces the section of the supply duct 6 of the fluid 4 reducing the flow rate thereof.
  • the stroke of the piston 9 towards the dispensing opening 7 of the hollow body 2 determines the temporary closure of the supply duct 6 of the fluid 4, as well as its subsequent hermetic isolation with respect to the dispensing opening 7.
  • the first chamber 2a is filled by the fluid 4 coming from the supply duct 6 of the hollow body 2 and the second chamber 2b is filled with the fluid 4 that was already contained in the inner channel 3 before the displacement of the piston 9 from the first to the second position.
  • the controlled dispensing of the fluid 4 through the dispensing opening 7 of the hollow body 2 is advantageously manageable by controlling the electric actuator so that the stem 13 thereof advances towards the dispensing opening 7 itself according to a speed that can be modulated and/or modified according to requirements.
  • valve 11 is switched from the first to the second condition for opening the transit channel 10 of the piston 9 so as to allow the latter to move into the hollow body 2 without the resistance of the fluid 4 contained therein that can flow through the transit channel 10.
  • the piston 9 is displaced from the second to the first position hence it is moved away from the dispensing opening 7 of the hollow body 2 positioning itself above the supply duct 6 of the latter.
  • the valve 11 is switched from the second to the first condition so as to close the transit channel 10 of the piston 9 and thus create a hermetic engagement thereof with the inner channel 3 of the hollow body 2 for a new filling cycle of an empty container 5.
  • the present invention also concerns a method for filling containers 5 using the filling nozzle 1 described above.
  • the aforesaid filling nozzle 1 is arranged so that the valve member 8 is switched in the first condition to keep the dispensing opening 7 of the hollow body 2 closed and the piston 9 is arranged in the first position with the respective valve 11 switched in the first condition to keep the transit channel 10 of the respective piston 9 closed.
  • the method comprises a step of supplying the fluid 4 to the inner channel 3 of the hollow body 2 so as to fill the latter.
  • the method comprises a step of switching the valve member 8 from the first to the second condition to open the dispensing opening 7 of the hollow body 2 and determine the start of filling the empty container 5 arranged in correspondence with the dispensing opening 7 itself.
  • the method comprises a step of detecting the filling status of the container 5, e.g. through detecting the weight of the latter or the amount of fluid dispensed, or again through any other system that can indicate the volume of fluid 4 poured into the container 5 during filling.
  • the step of detecting the filling status is continuously repeated until a predetermined weight/volume quantity is detected, indicative of the start of a final filling step that must be performed in a controlled way at a lower filling speed than the usual filling speed.
  • the method comprises a step of moving the piston 9 from the first position to the second position. Such movement step causes a displacement of the piston 9 towards the dispensing opening 7 of the hollow body 2. Once the supply duct 6 of the hollow body 2 has been passed, the piston 9 hermetically isolates the dispensing opening 7 with respect to the supply duct 6 for managing in a controlled way the dispensing of the fluid present between the dispensing opening 7 and the piston 9.
  • the method comprises a further step of moving the piston 9 towards the dispensing opening 7 of the hollow body 2 that is modulated and managed as a function of the type of dispensing of the fluid 4 that is to be performed. Such further movement step determines a thrust of the fluid 4 present between the opening 7 of the hollow body 2 and the piston 9 and the consequent ejection of such fluid 4 that pours into the container 5 being filled according to the final filling step.
  • the method comprises a step of switching the valve member 8 from the second condition to the first condition for closing the dispensing opening 7 of the hollow body 2.
  • the method comprises a step of switching the valve 11 from the first to the second condition for opening the transit channel 10 of the respective piston 9, as well as a step of moving the latter from the second to the first position.
  • the method comprises a step of switching the valve 11 from the second to the first condition to close the transit channel 10 of the piston 9 and determine a hermetic engagement of the latter to the inner channel 3 of the hollow body 2 to allow the performance of a new filling cycle of an empty container 5.
  • the dispensing nozzle is very similar to the dispensing nozzle 1 illustrated in Figures 1 to 6 .
  • valve 11 comprises at least one cap member 15 engaged with an end 16 of a shaft 17 slidably engaged, preferably coaxially, with the stem 13 of the actuator 14.
  • the cap member 15 is positioned in abutment against the piston 9 ( Figures 7 to 9 ) for closing the transit channel 10 of the latter when the valve 11 is in the first condition and is spaced from the piston 9 ( Figure 10 ) leaving the transit channel 10 of the latter open when the valve 11 is in the second condition.
  • the switching thereof requires the displacement of the shaft 16 along the stem 13 until the closing cap 15 disengages the piston 9 opening the respective transit channel 10 of the latter. Also the switching of the valve 11 from the second condition to the first one requires the activation in movement of the shaft 16 which determines the resting of the closing cap 15 against the piston 9 for closing the transit channel 10 of the latter.
  • the filling method provides the switching step of the valve 11 from the first to the second condition being performed by moving the closing cap 15 away from the piston 9, whereas the switching step of the valve 11 from the second to the first condition is performed by resting the closing cap 15 against the piston 9.
  • the aforesaid filling nozzle allows, through its respective piston, the controlled management of the final filling step of the containers.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Basic Packing Technique (AREA)

Claims (5)

  1. Füllstutzen (1) für Füllmaschinen, insbesondere Gewichtssortiermaschinen, für Behälter wie Fässer, Flaschen, Dosen und/oderdergleichen, umfassend:
    einen Hohlkörper (2), der einen inneren Kanal (3) für den Durchgang eines Fluids (4) definiert, wobei der Hohlkörper (2) mit mindestens einer Versorgungsleitung (6) für das Fluid (4) versehen ist, die mit einer jeweiligen Versorgungsquelle für das Fluid (4) verbunden werden kann, und mit mindestens einer Abgabeöffnung (7) für das Fluid (4), die von der Versorgungsleitung (6) kommt;
    mindestens ein Ventilelement (8), das mit der Abgabeöffnung (7) des Hohlkörpers (2) wirkverbunden ist, wobei das Ventilelement (8) zwischen einem ersten Zustand, in dem es die Abgabeöffnung (7) des Hohlkörpers (2) abdichtend verschließt, um den Ausfluss des Fluids (4) durch Letzteren zu verhindern, und einem zweiten Zustand, in dem es die Abgabeöffnung (7) des Hohlkörpers (2) freigibt, um den Ausfluss des Fluids (4) aus Letzterem zu ermöglichen, umschaltbar ist;
    mindestens einen Kolben (9), der in dem durch den Hohlkörper (2) definierten inneren Kanal (3) im Wirkeingriff steht, wobei der Kolben (9) steuerbar ist, um sich zu bewegen und/oder zu schalten, um die Abgabeöffnung (7) des Hohlkörpers (2) in Bezug auf die Versorgungsleitung (6) des Fluids (4) zu isolieren und um den gesteuerten Ausfluss aus der Abgabeöffnung (7) des Hohlkörpers (2) des zwischen Letzterem und dem Kolben (9) befindlichen Fluids (4) zu bestimmen, wobei der Kolben (9) Folgendes umfasst:
    mindestens einen Durchgangskanal (10) für den Durchfluss des Fluids (4);
    mindestens ein Ventil (11), das mit dem Durchgangskanal (10) wirkverbunden ist, wobei das Ventil (11) zwischen einem ersten Zustand, in dem es den Durchgangskanal (10) des Kolbens (9) verschließt, und einem zweiten Zustand, in dem es den Durchgangskanal (10) des Kolbens (9) öffnet und den Durchgang des Fluids (4) durch Letzteren ermöglicht, umschaltbar ist, dadurch gekennzeichnet, dass der Kolben (9) zwischen einer ersten Position, in der der Kolben (9) oberhalb der zugehörigen Versorgungsleitung (6) für das Fluid (4) angeordnet ist, so dass die Versorgungsleitung (6) des Hohlkörpers (2) mit der Abgabeöffnung (7) des Hohlkörpers (2) durch den inneren Kanal (3) des Letzteren in Fluidverbindung steht, und einer zweiten Position, in der der Kolben (9) zwischen der Versorgungsleitung (6) und der Abgabeöffnung (7) des Hohlkörpers (2) angeordnet ist, beweglich ist.
  2. Füllstutzen (1) nach Anspruch 1, wobei der Kolben (9) mit einem Ende (12) einer Stange (13) eines optionalen elektrischen Aktors (14) in Eingriff steht, wobei das Ventil (11) mindestens ein Kappenelement (15) umfasst, das mit einem Ende (16) einer Welle (17) in Eingriff steht, die gleitend, vorzugsweise koaxial, mit der Stange (13) des Aktors (14) in Eingriff steht.
  3. Füllstutzen (1) nach Anspruch 2, wobei das Kappenelement (15) in Anlage an den Kolben (9) positioniert ist, um den Durchgangskanal (10) des Letzteren zu schließen, wenn sich das Ventil (11) im ersten Zustand befindet, und vom Kolben (9) beabstandet ist, wobei der Durchgangskanal (10) des Letzteren offen bleibt, wenn sich das Ventil (11) im zweiten Zustand befindet.
  4. Füllstutzen (1) nach einem der Ansprüche, wobei dem Füllstutzen (1) eine Waage (la) zugeordnet ist, um das Erreichen eines vorbestimmten Füllgewichts zu erfassen, das den Beginn eines letzten Füllschritts an dem jeweiligen zu füllenden Behälter (5) anzeigt.
  5. Füllstutzen (1) nach Anspruch 4 und Anspruch 2 oder 3, wobei der Kolben (9), dessen Durchgangskanal (10) durch das in den ersten Zustand geschaltete Ventil (11) geschlossen ist, aktiviert wird, um sich durch den Aktor (14) von der ersten in die zweite Position zu bewegen, wenn das Gewicht, das den Beginn eines letzten Füllschritts an dem jeweiligen zu füllenden Behälter (5) anzeigt, erreicht ist.
EP19175331.8A 2018-05-21 2019-05-20 Füllstutzen für füllmaschinen, insbesondere ponderal-füllmaschinen, von behältern wie fässern, flaschen, dosen und/oder ähnlichem Active EP3572372B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102018000005562A IT201800005562A1 (it) 2018-05-21 2018-05-21 Ugello di riempimento per macchine riempitrici, in particolare ponderali, di contenitori quali fusti, bottiglie, lattine e/o simili.

Publications (2)

Publication Number Publication Date
EP3572372A1 EP3572372A1 (de) 2019-11-27
EP3572372B1 true EP3572372B1 (de) 2023-10-04

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EP19175331.8A Active EP3572372B1 (de) 2018-05-21 2019-05-20 Füllstutzen für füllmaschinen, insbesondere ponderal-füllmaschinen, von behältern wie fässern, flaschen, dosen und/oder ähnlichem

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EP (1) EP3572372B1 (de)
ES (1) ES2963919T3 (de)
IT (1) IT201800005562A1 (de)

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Publication number Priority date Publication date Assignee Title
CN109484688B (zh) * 2018-11-02 2021-07-20 重庆江记酒庄有限公司 一种成品酒打包机
US20230406560A1 (en) * 2021-02-10 2023-12-21 Tetra Laval Holdings & Finance S.A. Packaging apparatus for forming sealed packages

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DE2814086C2 (de) * 1978-04-01 1980-01-10 Milch-Union Oberbayern Gmbh & Co Kg, 8000 Muenchen Dosierpumpe für Milch u.dgl
FR3034081B1 (fr) * 2015-03-23 2018-08-03 Hema Dispositif de dosage volumetrique pour machine de remplissage de recipients

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ES2963919T3 (es) 2024-04-03
EP3572372A1 (de) 2019-11-27
IT201800005562A1 (it) 2019-11-21

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