EP1395490B1 - Dispositif de dosage installe dans une machine servant a remplir des tubes - Google Patents

Dispositif de dosage installe dans une machine servant a remplir des tubes Download PDF

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Publication number
EP1395490B1
EP1395490B1 EP02754646A EP02754646A EP1395490B1 EP 1395490 B1 EP1395490 B1 EP 1395490B1 EP 02754646 A EP02754646 A EP 02754646A EP 02754646 A EP02754646 A EP 02754646A EP 1395490 B1 EP1395490 B1 EP 1395490B1
Authority
EP
European Patent Office
Prior art keywords
dosing
control sleeve
piston
chamber
housing
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.)
Expired - Lifetime
Application number
EP02754646A
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German (de)
English (en)
Other versions
EP1395490A2 (fr
Inventor
Martin Heinrich Heitlinger
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.)
IWK Verpackungstechnik GmbH
Original Assignee
IWK Verpackungstechnik 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 IWK Verpackungstechnik GmbH filed Critical IWK Verpackungstechnik GmbH
Publication of EP1395490A2 publication Critical patent/EP1395490A2/fr
Application granted granted Critical
Publication of EP1395490B1 publication Critical patent/EP1395490B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65B3/26—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

Definitions

  • the invention relates to a tube filling machine with a metering device, with a trained in a housing Dosing chamber having an inlet opening and an outlet opening for a medium to be metered, at least one adjustable metering piston, by means of which the volume of Dosage chamber is changeable, and one rotatable in the housing mounted control sleeve, the at least one connecting channel has, in a predetermined rotational position of the Control sleeve the inlet opening or the outlet opening with the metering chamber connects, wherein the control sleeve has a conical Section having a complementary conical Section of the housing sealingly applied and of this is liftable.
  • a tube filling machine is used to fill tubes with a tube predetermined, metered amount of a product or Filling medium and usually has one as an endless belt or chain formed conveying device, which a variety of recordings for one tube each.
  • the empty one Tubes are in a feed station in the recordings used the conveyor and then go through several Workstations, which are in particular to a filling station and a downstream sealing station is.
  • the tubes are filled via a filling tube, via a metering device to a filling medium storage connected, filled.
  • the filled tube will then transported to the closure station, in the the upper tube end is closed.
  • a metering device of known construction (DE 36 36 804 C1) has a housing, which has an inlet opening with the Medmedium Grande and via an outlet opening with the Filling tube is connected.
  • a control sleeve rotatably mounted, formed in the interior of a metering chamber is that has an access opening depending on from the rotational position of the control sleeve optionally with the inlet or the outlet opening is connected.
  • Within the control sleeve is a metering piston slidably mounted, the a predetermined amount of the filling medium when closed Outlet opening through the inlet opening therethrough suck into the dosing chamber and then closed Slide the inlet opening through the outlet opening and thereby can bring in the tube to be filled.
  • the Intermittent opening and closing of the inlet and Outlet opening is effected by turning the control sleeve.
  • the control sleeve is via ring seals against the housing sealed and also has a conical Section on, attached to a complementary conical section of the housing is applied. At its one axial end the control sleeve is closed and with an adjusting device connected by means of which it is axially adjustable, so that the two conical sections come out of investment.
  • the invention is based on the object, a tube filling machine with a metering device of the type mentioned to create a compact Construction has and in a simple way a product change allows.
  • the seal between the control sleeve and the housing achieve by the both conical sections are stretched against each other. So that the two conical sections in abutment get rid of each other, only needs the Control sleeve axially displaced by a small amount, whereby a gap is formed between the conical sections is flushed out with a cleaning fluid can be. Subsequently, the control sleeve is again in shifted opposite direction, so that the two conical Portions of the control sleeve and the housing again sealing contact. This way you can special on elastic plastic seals are dispensed with, thereby also the risk of excessive wear and tear the necessity of the seal change no longer exists is.
  • control sleeve has an axial through hole in which the at least one metering piston slidably guided.
  • the dosing piston is with a Piston section in the axial through-hole below tight fit and thus sealed taken, so that Again, no special plastic seals necessary are.
  • the metering chamber is at least partially on the wider end of the conical portion of the control sleeve facing Page trained. If that is in the dosing chamber located filling medium by means of the metering piston through the Outlet opening into the filling nozzle and thus the tube is pressed in, the pressure in the metering chamber increases at.
  • This pressure is used according to the invention that the two conical sections of the control sleeve and the housing be stretched or pressed against each other, causing on the one hand the sealing effect between the housing and the Control sleeve is guaranteed and what else on the other hand too a higher dosing accuracy for low-viscosity products leads.
  • the housing and / or the control sleeve and / or the metering piston consist of a ceramic material.
  • each metering piston a separate drive, especially in the form of a Servo motor assigned.
  • a rinsing chamber enlarged diameter is formed, in which a piston portion the first metering piston can be received under play is, and that the rinsing chamber via at least one feed opening a rinsing liquid can be supplied.
  • the annular first metering piston is so far within the axial through bore of the control sleeve Move that his piston section freely in the washing chamber lies.
  • the inner second metering piston stops and protrudes due to the displacement of the first metering piston free from this forth, so that when introducing a Rinsing fluid and the inner second dosing piston cleaned can be.
  • control sleeve If the control sleeve is moved axially, get the both conical sections disengaged and between the Housing and the control sleeve is formed a gap, for cleaning the dosing with a rinsing liquid can be flushed through.
  • the rinsing liquid is preferably introduced in a separate feed opening, in the foot area of the conical section of the housing in this is formed.
  • control sleeve in the metering chamber and the connecting channel, by means of which a connection between the Dosing chamber and the inlet opening or the outlet opening can be made, then can be structurally easier Form of a frontally opening axial groove.
  • a connecting channel or an axial groove is sufficient, to either the inlet opening or the outlet opening with To connect the dosing, it is to achieve as possible short and fast adjusting movements of the control sleeve useful, at least two connecting channels or axial grooves to be provided, which are arranged so that in no position, both the inlet opening and the inlet opening connected to the dosing chamber.
  • a metering device 10 in a tube filling machine a housing 11 which is not closer to one shown carrier 17 is held.
  • a housing 11 In the housing 11 is an axial bore 12 formed in the upper area of the housing 11 is continuously flared. This conically enlarged portion 12 a of the axial bore 12th defines in its interior a metering chamber 13, the the upper end of the housing 12 by a lid 16 sealing is closed.
  • a radial inlet opening 14 by a filling medium in the metering chamber 13 can be introduced is as indicated by the arrow M.
  • a radial Outlet opening 15 is formed through which the filling medium from the metering chamber 18 to a not shown Greendüse is adoptedd Wegbar, as indicated by the arrow F in FIG. 5 is indicated.
  • the housing 11 In the lower part of the conical section 12a, i. in the transition between the axial bore 12th and its conical portion 12 a is in the housing 11 a formed radial bore 11 a, which is connected to a not shown Stock of flushing liquid is connected.
  • a control sleeve 18 In the axial bore 12 of the housing 11 is a control sleeve 18 inserted, with a lower circular cylindrical section sits in close fitting in the axial bore 12 and at the upper end a flared portion 18a having the same pitch angle as the conical Section 12a of the axial bore 12 has. Between the upper end side of the conical portion 18a of the control sleeve 18 and the lid 16, the metering chamber 13 is formed.
  • FIG. 1 shows the control sleeve 18 in its lower position, in the conical section 18a sealing it to the conical Section 12a of the axial bore 12 is present.
  • the conical Section 18 a of the control sleeve 18 are two at the upper end opening axial grooves 18b and 18c (see Fig. 2) are formed, which in width substantially the width of the inlet opening 14 and the outlet opening 15 and up to their foot area extend.
  • the two axial grooves 18b and 18c are in the circumferential direction the control sleeve by an angle of about 135 ° added.
  • control sleeve 18 In the control sleeve 18 is a central axial through hole 18d formed in the lower portion of the control sleeve 18 to a washing chamber 18e larger diameter is extended.
  • the rinsing chamber 18e is via a radial feed opening 21 to the supply of flushing liquid, not shown connected.
  • a first metering piston 19 used slidably, the has an annular cross-section and at its upper End has a piston portion 19 a, which under close Fit in the axial through hole 18d of the control sleeve 18 is sitting. Below the piston portion 19 a are the Dimensions of the first metering 19 reduced. The metering piston 19 penetrates at the lower end of the control sleeve 18 at a bore 18f and is guided by this.
  • first metering piston 19 In the first metering piston 19 is a central axial bore 19b formed of constant cross-section, in which a second Dosing piston 20 is slidably disposed.
  • the second Metering piston 20 has an upper piston portion 20a, the tight fit and sealed in the axial bore 19b of the first metering piston 19 is seated.
  • the piston portion 20 a of the second metering piston 20 joins a piston rod portion 20 b, which is a lower guide and cover plate 22 of the first metering piston 19 penetrates sealing and is guided by this.
  • the axial bore 19b of the first metering piston 19 has its lower end a feed opening 23, also at the supply of flushing liquid is connected.
  • the first metering piston 19 can either together with the second metering piston 20 as a unit in the axial bore 18d the control sleeve 18 are moved, but it is also possible, each of the metering pistons 19 and 20 regardless of to adjust the other dosing piston.
  • Figs. 1 and 2 show the starting position of a dosing.
  • the two metering 19th and 20 with their piston portions 19a and 20a respectively in FIG an upper end position and the control sleeve 18 is so within the housing 11 is set that the inlet opening 14 via the axial groove 18b with the metering chamber 13 in connection stands.
  • the connection between the metering chamber 13 and the outlet opening 15 is interrupted.
  • the two metering 19 and 20 as a unit within the axial bore 18d of the control sleeve 18 after adjusted down, whereby the volume of the metering 13th is increased (see Fig. 3).
  • the resulting pressure increase within the metering chamber 13 also acts on the control sleeve 18 and push it down so that the conical section 18a of the control sleeve 18 against the conical section 12 of the axial bore 12 of the housing 11 is pressed becomes, whereby the sealing effect is reinforced.
  • the stroke of the metering piston 19 and 20 are these again in its upper end position (see Fig. 5), whereby the conveying process is finished.
  • the control sleeve 18 is then again rotated by 45 ° in the opposite direction, so that again the Starting position shown in FIG. 1 is reached, from the one new dosing can be started.
  • the dosing 19 and 20 are also adjusted independently.
  • FIG. outgoing from the initial position shown in FIG. 1, in which the metering chamber 13 via the axial groove 18 b with the inlet opening 14th is connected, now not both dosing 19th and 20, but the inner second metering piston 20 stops and only the annular outer first metering piston 19 is adjusted down, so that also Pumped fluid through the inlet port 14 and the axial groove 18 b is sucked into the metering chamber 13, however, is the Volume increase of the metering chamber 13 is lower, so that also the sucked filling medium quantity is reduced.
  • Fig. 8 shows an alternative mode of operation in which the outer annular first metering piston 19 stops while only the inner second metering piston 20 for sucking the Filled medium in the metering chamber 13 down becomes.
  • the volume increase of the dosing chamber achieved thereby 13 is even lower than the previously explained Example in which only the outer first metering piston 19 adjusted is dosed so that an even smaller amount of filling medium becomes.
  • the outer first Dosierkolben 19 within the control sleeve 18 upwards proceed until its piston portion 19a sealing under close Fit in the axial through hole 18d of the control sleeve 18 is arranged.
  • An adjustment of the control sleeve 18 in the axial direction brings back the two conical Sections 12a and 18a in sealing contact, so that then again reached the initial position shown in Fig. 1 is.

Claims (9)

  1. Machine de remplissage de tubes comprenant un dispositif de dosage comportant une chambre de dosage (13) conformée dans un boítier (11) présentant une ouverture d'admission (14) et une ouverture d'évacuation (15) pour une matière à doser, comprenant au moins un piston réglable de dosage (19,20) au moyen duquel on peut modifier le volume de la chambre de dosage (13), et une douille de commande (18) montée de façon à pouvoir tourner dans le boítier (11), présentant au moins un canal de liaison (18b, 18c) faisant communiquer, lorsque la douille de commande (18) se trouve dans une position de pivotement prédéfinie, l'ouverture d'admission (14) ou l'ouverture d'évacuation (15) avec la chambre de dosage (13), machine dans laquelle la douille de commande (18) présente une partie conique (18a) pouvant être mise en contact étanche avec une partie conique (12a) complémentaire du boítier (11) et en être détachée, dans laquelle au moins une partie de la chambre de dosage (13) est conformée sur la face en regard de l'extrémité la plus large de la partie conique (18a) de la douille de commande (18) et dans laquelle les parties coniques (12a, 18a) peuvent être plaquées l'une contre l'autre suite à un mouvement du piston de dosage (19,20) en cas d'augmentation de la pression dans la chambre de dosage (13), caractérisée en ce que la douille de commande (18) présente un perçage traversant axial (18d) et en ce que l'on prévoit deux pistons de dosage coaxiaux (19,20), dont un premier piston de dosage (19) conformé en piston annulaire, guidé à coulissement dans le perçage traversant axial (18d) de la douille de commande (18) et présentant un perçage axial (19b) dans lequel est guidé à coulissement un deuxième piston de dosage (20).
  2. Dispositif de dosage selon la revendication 1, caractérisé en ce que les deux pistons de dosage (19,20) sont réglables comme un ensemble ou indépendamment l'un de l'autre.
  3. Dispositif de dosage selon la revendication 1 ou 2, caractérisé en ce qu'à chaque piston de dosage (19,20) est associé un entraínement qui lui est propre sous la forme d'un servomoteur.
  4. Dispositif de dosage selon l'une quelconque des revendications 1 à 3, caractérisé en ce que dans le perçage traversant axial (18d) de la douille de commande (18) est conformée une chambre de rinçage (18e) pouvant loger avec jeu un segment de piston (19a) du premier piston de dosage (19), et en ce que l'on peut amener à la chambre de rinçage (18e) un liquide de rinçage à travers au moins une ouverture d'alimentation (21).
  5. Dispositif de dosage selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'on peut amener un liquide de rinçage à travers au moins une ouverture d'alimentation (11a) du boítier (11) dans un espace intermédiaire formé entre le boítier (11) et la douille de commande (18) lorsque la partie conique (18a) est levée.
  6. Dispositif de dosage selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le boítier (11) et/ou la douille de commande (18) et/ou les pistons de dosage (19,20) sont réalisés en céramique.
  7. Dispositif de dosage selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le canal de liaison est formé par une rainure axiale (18b, 18c).
  8. Dispositif de dosage selon la revendication 7, caractérisé en ce que l'on prévoit au moins deux rainures axiales (18b, 18c) au moyen desquelles l'ouverture d'admission (14) ou l'ouverture d'évacuation (15) peut communiquer avec la chambre de dosage (13).
  9. Dispositif de dosage selon la revendication 7 ou 8, caractérisé en ce que les rainures axiales (18b, 18c) sont conformées dans la partie conique (18a) de la douille de commande (18).
EP02754646A 2001-06-13 2002-06-10 Dispositif de dosage installe dans une machine servant a remplir des tubes Expired - Lifetime EP1395490B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10128669A DE10128669A1 (de) 2001-06-13 2001-06-13 Dosiervorrichtung in einer Tubenfüllmaschine
DE10128669 2001-06-13
PCT/EP2002/006326 WO2002100719A2 (fr) 2001-06-13 2002-06-10 Dispositif de dosage installe dans une machine servant a remplir des tubes

Publications (2)

Publication Number Publication Date
EP1395490A2 EP1395490A2 (fr) 2004-03-10
EP1395490B1 true EP1395490B1 (fr) 2005-01-26

Family

ID=7688141

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02754646A Expired - Lifetime EP1395490B1 (fr) 2001-06-13 2002-06-10 Dispositif de dosage installe dans une machine servant a remplir des tubes

Country Status (10)

Country Link
US (1) US20040251279A1 (fr)
EP (1) EP1395490B1 (fr)
JP (1) JP2005521598A (fr)
AT (1) ATE287825T1 (fr)
AU (1) AU2002320836A1 (fr)
CA (1) CA2450537A1 (fr)
DE (2) DE10128669A1 (fr)
DK (1) DK1395490T3 (fr)
ES (1) ES2235069T3 (fr)
WO (1) WO2002100719A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1739018A1 (fr) * 2005-06-27 2007-01-03 Tetra Laval Holdings & Finance S.A. Machine de remplissage, procédé et utilisation de celle-ci
ITBO20050751A1 (it) * 2005-12-07 2007-06-08 Tonazzi Srl Dispositivo per l'erogazione di sostanze pastose e relativi contenitori
DE102010004068B9 (de) 2010-01-05 2021-04-22 Fischbach Kg Kunststoff-Technik Verfahren und Befüllvorrichtung zum Befüllen einer Kartusche mit zumindest einem Material
CN105583750B (zh) * 2014-11-17 2017-09-22 富泰华工业（深圳）有限公司 定位机构
FR3054205B1 (fr) * 2016-07-22 2018-08-24 Nbread-Process Dispositif pour deposer une quantite precise de produit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261509A (en) * 1965-02-05 1966-07-19 Clay Adams Inc Variable capacity dispensing device
DE3010010A1 (de) * 1980-03-15 1981-09-24 Lieder Maschinenbau GmbH & Co KG, 3033 Schwarmstedt Drehschieber
DE3412628C2 (de) * 1984-04-04 1986-05-15 Benz & Hilgers GmbH, 4000 Düsseldorf Vorrichtung zum dosierten Abfüllen von fließfähigem oder pastösem Füllgut in Behälter
DE3443557A1 (de) * 1984-11-29 1986-05-28 Lieder Maschinenbau GmbH & Co KG, 3033 Schwarmstedt Verfahren und vorrichtung zur abmessung eines fliessfaehigen produktes
DE3636804C1 (de) * 1986-10-29 1988-05-26 Benz & Hilgers Gmbh Vorrichtung zum dosierten Abfuellen von fliessfaehigem oder pastoesem Fuellgut in Behaelter
DE3704901A1 (de) * 1987-02-17 1988-08-25 Lieder Maschinenbau Gmbh & Co Fuellventil
DE3838462A1 (de) * 1988-11-12 1990-05-17 Benz & Hilgers Gmbh Vorrichtung zum dosierten abfuellen von fliessfaehigen produkten, insbesondere heiss abzufuellenden produkten, wie schmelzkaese od. dgl.
IT1251298B (it) * 1991-08-27 1995-05-08 Tetra Dev Co Metodo e dispositivo per il pompaggio dosato
DE4312015A1 (de) * 1993-04-13 1994-10-20 Benz & Hilgers Gmbh Vorrichtung zum Dosieren und Abfüllen von dickflüssigen oder pastösen Produkten, insbesondere Nahrungsmittel, vornehmlich Margarine oder dergleichen
FR2781758B1 (fr) * 1998-07-29 2000-09-15 Hema Technologies Dispositif de distribution, notamment pour doseur de machine de remplissage, et doseur equipe d'un tel dispositif
DE19918430C2 (de) * 1999-04-23 2002-07-11 Stefan Maier Vorrichtung zum dosierten Abfüllen von Flüssigkeiten mit hoher Viskosität
DE20006235U1 (de) * 2000-04-07 2000-08-17 Robko Sondermaschinenbau Gmbh Vorrichtung zur Befüllung von Behältnissen

Also Published As

Publication number Publication date
DK1395490T3 (da) 2005-05-23
EP1395490A2 (fr) 2004-03-10
WO2002100719A3 (fr) 2003-10-23
DE10128669A1 (de) 2002-12-19
AU2002320836A1 (en) 2002-12-23
ATE287825T1 (de) 2005-02-15
DE50202119D1 (de) 2005-03-03
JP2005521598A (ja) 2005-07-21
WO2002100719A2 (fr) 2002-12-19
CA2450537A1 (fr) 2002-12-19
US20040251279A1 (en) 2004-12-16
ES2235069T3 (es) 2005-07-01

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