US20090266444A1 - System And A Method For Filling Tubes In A Tube-Filling Machine - Google Patents

System And A Method For Filling Tubes In A Tube-Filling Machine Download PDF

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Publication number
US20090266444A1
US20090266444A1 US12/420,460 US42046009A US2009266444A1 US 20090266444 A1 US20090266444 A1 US 20090266444A1 US 42046009 A US42046009 A US 42046009A US 2009266444 A1 US2009266444 A1 US 2009266444A1
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United States
Prior art keywords
holder
lift
tube
cylinder
product
Prior art date
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Abandoned
Application number
US12/420,460
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English (en)
Inventor
Giuseppe Monti
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Marchesini Group SpA
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Marchesini Group SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marchesini Group SpA filed Critical Marchesini Group SpA
Assigned to MARCHESINI GROUP S.P.A. reassignment MARCHESINI GROUP S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MONTI, GIUSEPPE
Publication of US20090266444A1 publication Critical patent/US20090266444A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/16—Methods of, or means for, filling the material into the containers or receptacles for filling collapsible tubes
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement
    • B65B3/32—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement by pistons co-operating with measuring chambers
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • B65B43/59—Means for supporting containers or receptacles during the filling operation vertically movable
    • 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
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/14—Closing collapsible or resilient tubes, e.g. for tooth paste, for lighter fuel

Definitions

  • the invention relates to a system and a method for batching a product (liquid and/or pasty solutions) at a same time as filling tubes in an automatic tube-filling machine.
  • Tube-filling machines include a conveyor line, activated in alternating motion, which bears equidistanced holders, each holder being destined to receive a head of an empty tube provided with a relative cap, such as to keep the tube vertically-arranged with the posterior part thereof open and facing upwards.
  • the line comprises various work stations:
  • At least an injecting nozzle (if the tube-filling machine is single-channel) is comprised in the filling station, which nozzle is downwardly-orientated, and which nozzle is centered with respect to the posterior mouth of the tube positioned in the station; in suitable phase relation with the position, the holder-lift, in which the tube is inserted, is raised by suitable first activating means, such as to insert the nozzle in the tube.
  • the nozzle is supplied with the product, in phase relation with the holder-lift, and therefore the tube, up to completion of the filling thereof; completion of the lowering of the holder leads to exit of the nozzle from the tube.
  • the nozzle is connected to a volumetric filler, constituted by a cylinder in which a piston sealedly slides, which piston is borne by a stem that projects from a head of the cylinder, and which is movable axially by means of second activating means.
  • the remaining head of the cylinder affords two through-holes, which with the aid of a switching valve adjacent to the head are alternatively connected one to a product supply tank (liquid and/or paste solution) and the other with the nozzle.
  • the valve is switched by third activating means.
  • the batcher In a first phase the batcher aspirates the product from the tank: the length of the piston travel determines the batched amount of the product; when the valve switches, which is performed in phase relation with the inversion of the piston movement, the product is compressed by the piston and is consequently fed to the nozzle and fills the tube.
  • the first, second and third activating means are constituted by mechanical cams which are driven by relative actuators, conformed such as to respect the above-described mutual phase relations, obviously over the machine cycle of the filling station.
  • the second activating means cause: the piston travel (thus the batched amount of the product); the speed of the piston in the cylinder during the product aspiration phase; and the speed of the piston on compression of the product directed towards the nozzle.
  • the holder-lift in the filling station is raised towards the nozzle and thereafter lowered during the filling of the tube borne by the holder.
  • the length of the holder-lift stroke is a function of the tube size and the batched amount of the product; the law of movement with which the holder-lift is lowered is strictly connected to the speed with which the piston compresses the product.
  • the product inserted into the tubes can exhibit a viscosity comprised within a broad spectrum.
  • the viscosity might be comparable to water, or it might be high as in very pasty creams.
  • the advantage of the present invention is that it provides a system which in a tube-filling machine such as in the preamble hereto, using a cylinder/piston batching cylinder, and according to the size of the tube, the viscosity of the product and the productivity of the machine itself, enabling the aspirating/pumping strokes of the piston working inside the cylinder to be regulated, as well as the aspiration and compression speeds of the piston itself, the switching between the product aspiration phase and the product compressing stage, the travel of the holder-lift and the speed of rising and lowering of the holder-lift.
  • a further advantage of the invention is that it provides a system which can be activated by means of instructions provided directly by an operator or calculated from previously-stored data relating to the tube, the batch, the product to be processed by the tube-filling machine.
  • a further advantage of the invention is to actuate the system using reliable and functional organs, managed by means of algorithms which process data such as to use the technical-functional aspects of the technical expert in the sector and deducible from experience and/or experimental testing, such as the speed of the aspirating/pumping piston according to the product viscosity, such as to optimize the productivity of the tube filling stage, in respect of the tolerances in the batched product.
  • a further advantage of the invention is to provide a method, actuable with the present system, which enables the batching of tubes to be optimized while changing the tube format, the format of the batcher, the viscosity of the product, the batched amount of the product and the productivity required, compatibly with the organs used, all of which is obtainable without replacing mechanical parts, such as cams or specially-shaped devices for various formats.
  • the system for filling tubes in a tube-filling machine for filling tubes in a tube-filling machine is of a type comprising a closed-ring line, activated in alternating motion, which line bears equidistanced holders, each conformed such as to receive a head, provided with a cap, of an empty tube arranged vertically with an open posterior end facing upwards, the line comprising at least a station for filling each tube with a batch of product constituted by a liquid or paste solution, which station comprises at least a nozzle for supplying product to the tube located in the station, and first activating means for vertically translating a holder-lift which brings a group comprising the holder and the tube to insert and disinsert the nozzle into and out of the tube, which nozzle is supplied by a volumetric filler of a cylinder-piston type, with the piston being solidly constrained to a stem projecting from a head of the cylinder, the stem being axially moved by second activating means, the cylinder
  • first, second and third activating means are constituted by three actuators acting in a suitable phase relation on the holder-lift, the stem and the switching valve, which actuators are activated by signals supplied by the unit in accordance with the data.
  • FIG. 1 schematically illustrates, in plan view, an arrangement of the work stations of a tube-filling machine
  • FIG. 1A schematically illustrates, with reference to station D of FIG. 1 , a volumetric filler and electrical-electronic organs and devices associated thereto in order to actuate the proposed system and methods;
  • FIGS. 2-5 illustrate the same configuration as in FIG. 1 in various work stages
  • FIG. 6 is a diagram of the stages which together act to realize the batching of the product inserted in the tube;
  • FIG. 7 is a schematic lateral view of an empty tube
  • FIG. 8 is a flow-chart listing the significant stages of the proposed method.
  • L denotes a closed-ringed conveyor line of an automatic tube-filling machine, for example a single-channel machine.
  • the line carries, in a known way to an expert of the sector, equidistanced holders 1 each of which is destined to receive the head 2 A or shoulder of an empty tube 2 provided with a relative cap 3 , such as to keep the tube itself arranged vertically with the open posterior end 2 B facing upwards ( FIGS. 1A-5 ).
  • FIG. 1 denotes various work stations arranged along the line L, among which, in order:
  • each tube various stations R 1 , R 2 , R 3 , R 4 , for closing and sealing the posterior end of each tube, conformed according to the material (e.g. aluminum, plastic, laminates, etc.) with which each tube is constituted;
  • material e.g. aluminum, plastic, laminates, etc.
  • the present invention is focused on the volumetric filler 10 , which is functionally associated to the filling station D, and on the electrical and electronic organs and devices cooperating with the volumetric filler 10 .
  • the batcher 10 comprises a cylinder 5 in which a piston 6 sealedly runs, borne by a stem 7 exiting from a head 5 A of the cylinder 5 .
  • the remaining head 5 B of the cylinder affords two through-holes 8 , 9 which, with the aid of a switching valve 11 , are alternatively connected, one (first position X 1 ) with a tank 12 for supply (gravity or pressure) of the product and the other (second position X 2 ) with a pipe 13 connected to a nozzle 14 .
  • the nozzle 14 is connected to the filler station D, faces downwards and is centered with respect to the posterior mouth 2 B of an empty tube positioned in the station.
  • the switching valve 11 is activated by an actuator 15 (signal 3 ) preferably an electric actuator, supplied by a control, management and command unit 100 .
  • the stem 7 to which the piston 6 is solidly constrained, is activated by an actuator 16 , preferably and electric actuator 16 , with interposing of an interface mechanism 16 A which transforms the rotation of the drive shaft in a direction or in another, into translation of the stem 7 in a direction or in another; the actuator 16 is managed by the unit 100 (signal 2 ).
  • an actuator 16 preferably and electric actuator 16 , with interposing of an interface mechanism 16 A which transforms the rotation of the drive shaft in a direction or in another, into translation of the stem 7 in a direction or in another; the actuator 16 is managed by the unit 100 (signal 2 ).
  • the holder 1 disengages from the line L and is raised in the filler station D; this is done by action of a holder-lift 50 bearing the holder 1 , which holder-lift 50 is moved by an actuator, preferably an electric actuator, managed by the unit 100 (signal 1 ).
  • an actuator preferably an electric actuator
  • the switching valve 11 , the batcher 10 , and the holder-lift 50 are not activated by means of mechanical cams as in the prior art, but are moved respectively by actuators 15 , 16 , 17 according to laws of movement imposed by the unit 100 as specified herein below.
  • D 1 denotes the tube and H 1 the height of the tube starting from the shoulder 2 A thereof; the height H 2 of the product 4 internally of the tube is linked to the batch amount and the diameter D 1 .
  • D 3 denotes the distance, with the holder-lift 50 in the lowered position, between the nozzle and the extremity of the posterior end 2 B of the tube.
  • An interface (or panel) 150 for data entering is functionally connected to the unit 100 .
  • the operator by means of an appropriate keyboard T, transmits the following data to the unit 100 :
  • the value of the batch i.e. the volume of the product to be inserted in the tube; reference Y 4 ;
  • production speed i.e. the number of batching cycles (i.e. tubes filled in the filler station D) in a given time unit; reference Y 5 .
  • the unit 100 determines the height H 2 of the product internally of the tube and, consequently, the height by which the holder-lift 50 will be raised.
  • the travel of the stem 7 i.e. the piston 5 , is calculated according to the data Y 2 , Y 4 .
  • Data Y 3 will give the viscosity and Y 5 the productivity, and these are used to calculate the speed of the piston 5 on aspiration of the product 4 by the tank 12 , and the speed with which the product is compressed on supply to the nozzle 14 .
  • FIG. 6 includes, in a machine cycle (360 degrees in mechanical terms) the graphs relating to the piston movements 6 (reference ⁇ 1 ), of the conveyor line L (reference ⁇ 2 ) of the holder-lift 50 (reference ⁇ 3 ) and the switching valve 11 (reference ⁇ 4 ); graphs ⁇ 1 - ⁇ 4 give the mutual phase relations between the various movements.
  • the holder-lift 50 raises the holder 1 -tube 2 group with the maximum speed that the motor torque (actuator 17 ) allows, positioning the nozzle 14 at the bottom of the tube (see FIG. 2 ).
  • the switching of the valve 11 from the first position X 1 to the second position X 2 is set in phase relation with the definition of the raising of the holder-lift 50 and the end of the product aspiration phase; see graph ⁇ 4 and FIG. 2 .
  • the descent of the holder-lift 50 is done in two steps, one at constant velocity synchronously with the pumping of the product to the nozzle ( FIGS. 3 , 4 ), the other at the maximum velocity allowed by the actuator 17 , in order to allow the nozzle 14 to completely exit from the tube 2 ( FIG. 5 ) and to enable the holder 1 to deposit in the relative seating afforded in the line L as quickly as possible.
  • the first phase F 1 includes the analysis of data Y 1 , Y 2 , Y 3 , Y 4 , Y 5 , already described herein above.
  • the second phase F 1 includes the definition of the holder-lift 50 according to data Y 1 and Y 4 .
  • the fourth phase F 4 it is calculated whether the holder-lift raising time is greater than or equal to the time in which the valve 11 remains in the first position X 1 (aspiration of the batch into the cylinder 5 ).
  • the batch aspiration time is set to be equal to the lift time of the holder-lift 50 (fifth phase F 5 ).
  • a fifth auxiliary stage F 5 * is set, in which the batch aspiration time is equal to the time in which the valve 11 remains in the first position X 1 .
  • the pause time of the holder-lift 50 is calculated according to the time required by the valve 11 to switch from the first position X 1 to the second position X 2 .
  • the cycle time of the holder-lift 50 (rise, pause and descent) is calculated to see whether it is less than or equal to the pause time of the machine (for example 240 machine degrees); if this criterion is not satisfied, the machine cycle velocity is too fast and is considered to be unacceptable.
  • the percentage calculation (ninth phase F 9 ) of the time required for aspirating the batch and for pumping the batch is proceeded to, in machine degrees, taking into consideration the data Y 3 relating to the viscosity of the product 4 .
  • the data Y 1 -Y 5 (displayed on the monitor F included in the interface 150 ) are correspondingly modified and the unit 100 , in agreement with the new data, commands the actuators 15 , 16 , 17 accordingly.
  • the parameter which varies most frequently is viscosity, such that, taking the tube 2 format, the batch and the cylinder 5 -piston 6 -valve 11 group to be the same, the unit 100 intervenes to change the speeds of the piston runs 6 (and the descent velocity of the holder-lift 50 ).
  • the combination of the unit 100 and the actuators 15 , 16 , 17 enables “electronic cams” to be realized, with which the valve 11 , the piston 6 and the holder-lift 50 can be commanded, in order to optimize the batching and the time required to carry out the batching, thus obviating the drawbacks in the prior art.
  • the provided system does not include the replacement of mechanical cams, as in the prior art, and is also very versatile indeed as it can be adapted to all possible situations, solely by entering data Y 1 -Y 5 in the unit 100 .
  • the provided method is such as to optimize the functioning of the batcher meter 10 , in particular in relation to the productivity of the filler station D, and independently of the variations in the data Y 1 -Y 5 .
  • the data which identify a tube format, a cylinder 5 -piston 6 -valve 11 group, a product (via the viscosity thereof), a batch value and a productivity are stored in the unit 100 and can be recalled when identical tube-batching situations arise.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
US12/420,460 2008-04-23 2009-04-08 System And A Method For Filling Tubes In A Tube-Filling Machine Abandoned US20090266444A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2008A000256 2008-04-23
IT000256A ITBO20080256A1 (it) 2008-04-23 2008-04-23 Sistema e metodo per il riempimento di tubetti in una macchina intubettatrice

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103778719A (zh) * 2014-02-23 2014-05-07 郑景文 智能散装牙膏售卖机的使用方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20130699A1 (it) * 2013-12-20 2015-06-21 Marchesini Group Spa Apparato per iniettare una quantita' dosata di liquido medicinale all'interno di un flacone
DE102015014231A1 (de) * 2015-11-04 2017-05-04 Holmatec Maschinenbau GmbH & Co. KG Dosieraggregat mit Speicherbehälter
CN107826280B (zh) * 2017-12-19 2019-05-07 新乡华青药业有限公司 膏剂灌装生产线的自动插管机及生产系统
CN108689377A (zh) * 2018-08-01 2018-10-23 嘉兴奥帮涂料科技有限公司 一种新型涂料灌装装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774655A (en) * 1971-06-21 1973-11-27 W Trusselle Container-filling apparatus
US4900999A (en) * 1988-02-05 1990-02-13 Shikoku Kakoki Co., Ltd. Control system for reciprocating linear motion or intermittent motion devices
US5348058A (en) * 1992-11-06 1994-09-20 National Instrument Company, Inc. Clean-in-place filling machine
US5758698A (en) * 1996-08-01 1998-06-02 Tetra Laval Holdings & Finance, S.A. Fill system including a valve assembly and corresponding structure for reducing the mixing of product and air during container filling
US5787687A (en) * 1996-05-01 1998-08-04 Mueller; Martin J. Servo-controlled container filling and weighing system
FR2760426A1 (fr) * 1997-03-05 1998-09-11 Kalix Sa Procede de controle d'une machine de remplissage de conteneurs et machine de remplissage mettant en oeuvre le procede
US6941981B2 (en) * 2000-11-03 2005-09-13 Robert A. Rosen Liquid filling system with improved set-up and fill weight calibration/verification capabilities

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Publication number Priority date Publication date Assignee Title
GB694825A (en) * 1950-05-16 1953-07-29 Arenco Ab Improvements in or relating to the handling of containers in container filling and/or closing machines
DE102006015638A1 (de) * 2006-04-04 2007-10-11 Finnah Engineering Und Packaging Gmbh Maschine zum Füllen von Bechern mit Nahrungs- und Genußmitteln
ITMI20061578A1 (it) * 2006-08-04 2008-02-05 Domenico Caserio Prodotti multifasici ad effetto progressivo metodo di riempimento degli stessi ed apparecchiatura implementante il metodo

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774655A (en) * 1971-06-21 1973-11-27 W Trusselle Container-filling apparatus
US4900999A (en) * 1988-02-05 1990-02-13 Shikoku Kakoki Co., Ltd. Control system for reciprocating linear motion or intermittent motion devices
US5348058A (en) * 1992-11-06 1994-09-20 National Instrument Company, Inc. Clean-in-place filling machine
US5787687A (en) * 1996-05-01 1998-08-04 Mueller; Martin J. Servo-controlled container filling and weighing system
US5758698A (en) * 1996-08-01 1998-06-02 Tetra Laval Holdings & Finance, S.A. Fill system including a valve assembly and corresponding structure for reducing the mixing of product and air during container filling
FR2760426A1 (fr) * 1997-03-05 1998-09-11 Kalix Sa Procede de controle d'une machine de remplissage de conteneurs et machine de remplissage mettant en oeuvre le procede
US6941981B2 (en) * 2000-11-03 2005-09-13 Robert A. Rosen Liquid filling system with improved set-up and fill weight calibration/verification capabilities

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Machine translation of FR 2760426 A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103778719A (zh) * 2014-02-23 2014-05-07 郑景文 智能散装牙膏售卖机的使用方法

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EP2112066A1 (en) 2009-10-28

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MONTI, GIUSEPPE;REEL/FRAME:022522/0419

Effective date: 20090406

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