EP1884466A1 - Installation de remplissage pour masse coulante - Google Patents

Installation de remplissage pour masse coulante Download PDF

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Publication number
EP1884466A1
EP1884466A1 EP07014460A EP07014460A EP1884466A1 EP 1884466 A1 EP1884466 A1 EP 1884466A1 EP 07014460 A EP07014460 A EP 07014460A EP 07014460 A EP07014460 A EP 07014460A EP 1884466 A1 EP1884466 A1 EP 1884466A1
Authority
EP
European Patent Office
Prior art keywords
filling
mass
pressure
valve
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07014460A
Other languages
German (de)
English (en)
Other versions
EP1884466B1 (fr
Inventor
Reinhold Walther
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ludwig Schwerdtel GmbH
Original Assignee
Ludwig Schwerdtel GmbH
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 Ludwig Schwerdtel GmbH filed Critical Ludwig Schwerdtel GmbH
Publication of EP1884466A1 publication Critical patent/EP1884466A1/fr
Application granted granted Critical
Publication of EP1884466B1 publication Critical patent/EP1884466B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65B3/10—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
    • B65B3/12—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material mechanically, e.g. by pistons or pumps
    • 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

Definitions

  • the invention relates to a filling plant for flowable compositions, in particular for medium to high viscosity masses.
  • Such known filling plants have a piston metering valve, by means of which the premixed masses are metered into a metering cylinder and then expressed in a vessel, for example a small cartridge or a tube. This mass is fed via an open funnel to this piston metering valve. Both the dosing accuracy and the dosing speed can be satisfactory here; but there is a high cleaning effort in a recipe conversion, so a change in the masses to be filled, on.
  • a filling system for flowable materials known in which the masses to be filled are conveyed by a delivery line by means of a pump.
  • a pressure accumulator for the mass to be filled is seconded, in which the mass to be filled is applied directly with compressed air and thus kept under a predetermined pressure.
  • the pressure of the compressed air can be changed via a pressure control valve which is connected to a control device.
  • the accumulator continue to fill level sensors associated with which the level is detected in the pressure accumulator.
  • a flow meter is arranged in the delivery line for measuring an actual value of the quantity of mass to be filled flowing through the flow meter.
  • the flow meter is a filling valve for filling the mass in each metered amount in tubes or the like arranged downstream. Furthermore, a control unit is provided, which is for receiving the respective actual value of the amount of the flow meter is formed flowing mass to be filled reproducing measurement signal. The control unit is designed to continuously compare these actual values with a predetermined desired value of the respective quantity of the mass to be filled and to generate and deliver a control signal to the filling device for closing the filling valve.
  • a device for metering and filling a liquid in packaging container in which a pressure sensor for detecting the fluid pressure is provided, which is connected to a control device.
  • the achievable pressure consistency over this serves to compensate for different levels in a reservoir.
  • the invention is therefore an object of the invention to provide a filling system of the general category, which requires only a small cleaning effort in recipe conversion, but which allows both a high DosierGenautechnik and a high filling speed.
  • Core of the invention is the buffer means by which the mass is constantly kept under constant pressure. This makes it possible to carry out a particularly simple and accurate dosing in the actual filling device, which consists only of a volumetric or optionally also gravimetric, but preferably volumetric flow meter and a downstream filling valve, not as the actual metering valve , For example, piston metering valve must be configured.
  • This refinement means that cleaning of the filling system is very quickly effected by the subsequent new mass during a formulation changeover.
  • the constant maintenance of the pressure of the mass in the entire filling plant including the upstream mixer allows, in particular when using a static mixer and an optimal mixing result in the static mixer.
  • the driving accuracy of the filling valve is particularly high. Since the filling valve is designed only as open-to-valve, it is also free of clogging, whereby the dosing accuracy is very high. Because of the tracking freedom and the cycle times can be minimized.
  • a buffer housing 2 designed as a buffer cylinder 2 with a vertical central longitudinal axis of a buffer device 3 is arranged on a frame 1, in which a pressure piston 4 in the direction the central longitudinal axis is displaceably guided and sealed relative to the cylinder 2.
  • a linear drive in the form of a hydraulically actuated piston-cylinder drive 5 is arranged, in the hydraulic cylinder 6, a piston 7 is acted upon on both sides. Its piston rod 8 is connected in the direction of the central longitudinal axis with the pressure piston 4.
  • In this valve 12 opens a coming from a hydraulic pressure source, not shown feed line 13 and a discharge line 14 a.
  • the valve 12 is driven by a central control unit 15.
  • a static mixer 17 opens, through which a premixed mass, for example body care cream, is supplied.
  • the individual components of the mass are supplied to the static mixer 17 in practice usual way and promoted more or less pulsating by a mixer, not shown, by the mixer 17 and this intensively mixed by the designed in the usual way mixer internals 18.
  • a pressure transducer 21 is arranged in the form of a pressure cell in the delivery line 20, by means of which the pressure of the mass is measured by the static mixer 17 in the delivery line 20 and optionally the Buffer room 16 is promoted. A signal corresponding to the actual value of this pressure is likewise transmitted to the control unit 15.
  • the actual filling device 22 is provided at the end of the delivery line 20, the actual filling device 22 is provided. This consists essentially of a arranged in the delivery line 20 flow meter 23 and this immediately downstream filling valve 24.
  • the flow meter 23 is the respective actual value of the flow corresponding - usually digital - on the signals Control unit 15.
  • the filling valve 24 has a downwardly projecting filling tube 25, the lower valve opening 26 is closed by a valve plate 27 and can be opened.
  • the valve plate 27 is actuated in a conventional manner by a filling tube 25 upwardly passing valve rod 28 which is linearly actuated by means of a valve actuator 29.
  • This is a pneumatically actuated piston-cylinder drive. This is acted upon by a compressed air source, not shown, with compressed air.
  • the control takes place via a solenoid valve 30 and two of these connecting to the drive 29 lines 31, 32.
  • the control of the solenoid valve 30, ie its operation, is carried out by the control unit 15.
  • the filling valve 24 is shown in FIG 1b shown in closed position.
  • the valve rod 28 When the line 31 is pressurized with air via the solenoid valve 30, the valve rod 28 is lifted with the valve plate 27, so that the valve port 26 is opened. If, in contrast, the valve drive 29 is acted upon by the compressed air via the line 32, then the valve rod 28 becomes pressed down with the valve plate 27 and thus the valve opening 26 is closed.
  • a plurality of filling devices 22 may be provided behind the buffer device 3.
  • static mixing inserts 34 are arranged in this branch conveying line 33 and the conveying line 20, by means of which causes a strong cleaning effect in a recipe conversion due to strong turbulence in the flow entry.
  • the pressure piston 4 has a buffer space 16 and the conveying line 20 facing surface 35 in the form of a downwardly tapering truncated cone.
  • This surface 35 corresponds to an abutment surface 36 in the bottom 37 of the buffer cylinder 2.
  • FIG. 1 a can be emptied without residue in the delivery line 20 by this configuration, the buffer space 16 when the pressure piston is moved from the upper position shown in Fig. 1a in the bottom position also shown.
  • the filling system works as follows:
  • the buffer device 3 is fed by the static mixer 17 with a premixed mass to be filled.
  • the pressure sensor 21 constantly detects the actual value of the pressure with which this mass is applied and outputs the corresponding signals to the control unit 15. From there, in case of deviations from a predetermined desired value of the pressure, the proportional valve 12th driven in such a way that at a deviation the actual value of the pressure down, so at a pressure drop in the mass, the piston 7 is pressurized via line 10 from above with hydraulic fluid, so that the pressure piston 4 is moved down, so that in turn below the pressure Piston 4 located in the buffer space 16 mass is subjected to higher pressure. It should be added that the mass conveyed from the static mixer 17 to the filling device 22 is constantly present against the pressure piston 4.
  • the proportional valve 12 is switched such that hydraulic fluid is pressed through the line 11 from below into the hydraulic chamber 9, so that the piston 7 is moved together with the piston rod 8 upwards.
  • the pressure piston 4 follows, so that the mass located below the pressure piston 4 in the buffer space 16 is relieved of pressure.
  • substantially cylindrical vessels 38 such as small cartridges or tubes, filled with the mentioned mass.
  • these vessels 38 are largely pushed onto the filling tube 25 from below.
  • the filling process is triggered by the control unit 15 by a corresponding signal to the solenoid valve 30.
  • a signal is emitted when the vessel 38 to be filled is in the filling position in front of the valve opening 26.
  • the drive 29 is acted upon by compressed air via the line 31 and the valve rod 28 with the valve plate 27 moved upward, so that the valve opening 26 is opened and the mass due of the constant pressure is pressed into the vessel 38 at a constant filling rate.
  • the pressure of the mass would drop by itself.
  • the control unit 15 sends a corresponding signal to the solenoid valve 30 for closing the filling valve 24.
  • the valve drive 29 is thus acted upon via the line 32 from above with compressed air, so that the valve opening 26 is closed again by means of the valve plate 27.
  • the filled vessel 38 is removed and replaced with another vessel 38 to be filled. As such, during the time the filling valve 24 is closed, the pressure of the mass would increase throughout the system.
  • the pressure piston 4 is moved upward during this time so that the mass coming from the static mixer 17 is received in the buffer space 16 and at the same time the pressure of the mass is kept constant throughout the system. in such a way that the actual value of the pressure is equal to its desired value.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Flow Control (AREA)
EP07014460A 2006-08-04 2007-07-24 Installation de remplissage pour masse coulante Not-in-force EP1884466B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006036478A DE102006036478A1 (de) 2006-08-04 2006-08-04 Abfüll-Anlage für fließfähige Massen

Publications (2)

Publication Number Publication Date
EP1884466A1 true EP1884466A1 (fr) 2008-02-06
EP1884466B1 EP1884466B1 (fr) 2009-06-10

Family

ID=38657459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07014460A Not-in-force EP1884466B1 (fr) 2006-08-04 2007-07-24 Installation de remplissage pour masse coulante

Country Status (3)

Country Link
EP (1) EP1884466B1 (fr)
AT (1) ATE433413T1 (fr)
DE (2) DE102006036478A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102649482A (zh) * 2012-04-07 2012-08-29 浙江炜驰轻工机械有限公司 一种颗粒灌装机的颗粒阀

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009013080A1 (de) * 2009-03-13 2010-09-23 Benz & Hilgers Gmbh Verfahren und Vorrichtung zum Verpacken von portionierten, pastösen Produkten

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1163727B (de) * 1960-12-06 1964-02-20 Wilhelm Waldherr Vorrichtung zum Fuellen von Behaeltern, insbesondere Tuben
US5462199A (en) 1988-04-20 1995-10-31 Lenhardt Maschinenbau Gmbh Apparatus for discharging pasty compressible substances of high viscosity
DE20103988U1 (de) * 2001-03-07 2001-07-12 Seaquist Perfect Dispensing Abfüllkopf zur Befüllung von Behältern mit einem fluidförmigen Medium
DE10308736A1 (de) 2003-02-28 2004-09-09 Iwk Verpackungstechnik Gmbh Tubenfüllmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE566322C (de) * 1931-07-08 1932-12-15 Walter Henke Abfuellapparat mit selbsttaetiger Steuerung
DE3929608A1 (de) * 1988-09-06 1990-03-15 Lenhardt Maschinenbau Vorrichtung zum stetigen foerdern von zwei pastoesen komponenten eines zweikomponentendicht- und -klebstoffes fuer das verkleben von glasscheiben in vorgegebenem mengenverhaeltnis aus zwei vorratsbehaeltern zu einer duese
DE19917441C2 (de) * 1999-04-17 2001-10-11 Bosch Gmbh Robert Vorrichtung zum Dosieren und Abfüllen einer Flüssigkeit in Verpackungsbehälter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1163727B (de) * 1960-12-06 1964-02-20 Wilhelm Waldherr Vorrichtung zum Fuellen von Behaeltern, insbesondere Tuben
US5462199A (en) 1988-04-20 1995-10-31 Lenhardt Maschinenbau Gmbh Apparatus for discharging pasty compressible substances of high viscosity
DE20103988U1 (de) * 2001-03-07 2001-07-12 Seaquist Perfect Dispensing Abfüllkopf zur Befüllung von Behältern mit einem fluidförmigen Medium
DE10308736A1 (de) 2003-02-28 2004-09-09 Iwk Verpackungstechnik Gmbh Tubenfüllmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102649482A (zh) * 2012-04-07 2012-08-29 浙江炜驰轻工机械有限公司 一种颗粒灌装机的颗粒阀

Also Published As

Publication number Publication date
ATE433413T1 (de) 2009-06-15
EP1884466B1 (fr) 2009-06-10
DE102006036478A1 (de) 2008-02-07
DE502007000848D1 (de) 2009-07-23

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