EP2857319B2 - Filling nozzle for liquid or pasty filling material, metering device comprising a filling nozzle and use of the filling nozzle - Google Patents

Filling nozzle for liquid or pasty filling material, metering device comprising a filling nozzle and use of the filling nozzle Download PDF

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Publication number
EP2857319B2
EP2857319B2 EP14186018.9A EP14186018A EP2857319B2 EP 2857319 B2 EP2857319 B2 EP 2857319B2 EP 14186018 A EP14186018 A EP 14186018A EP 2857319 B2 EP2857319 B2 EP 2857319B2
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EP
European Patent Office
Prior art keywords
filling
cross
channels
filling nozzle
sectional surface
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EP14186018.9A
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German (de)
French (fr)
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EP2857319B1 (en
EP2857319A1 (en
Inventor
Wolfgang Schmitt
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Robert Bosch GmbH
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Robert Bosch GmbH
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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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/001—Packaging other articles presenting special problems of foodstuffs, combined with their conservation
    • 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
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C3/2608—Filling-heads; Means for engaging filling-heads with bottle necks comprising anti-dripping means
    • 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
    • B65B2039/009—Multiple outlets
    • 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
    • B65B2210/00—Specific aspects of the packaging machine
    • B65B2210/06—Sterilising or cleaning machinery or conduits
    • B65B2210/08—Cleaning nozzles, funnels or guides through which articles are introduced into containers or wrappers
    • 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
    • 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
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C2003/2671—Means for preventing foaming of the liquid

Definitions

  • the invention relates to a filling nozzle for liquid or pasty filling material according to the preamble of claim 1. Furthermore, the invention relates to a metering device with a filling nozzle according to the invention and the use of a filling nozzle according to the invention.
  • a filling nozzle is from the post-published WO 2015/043854 A1 known.
  • the U.S. 5,909,846 shows a filling nozzle which has a filling plate with filling channels, the cross section of the filling channels changing when viewed in the longitudinal or throughflow direction of the filling channels.
  • FIGS. 8a to 8d of the cited document show cross-sections of the filling channels, which either decrease continuously in the longitudinal direction of the filling channels, or else initially decrease and then expand again to the original cross-sectional area.
  • Such a geometric design of the filling channels is intended to reduce the dripping of filling material from the filling nozzles.
  • filling nozzles with filling channels are known, at least one of the filling channels having a non-circular cross section.
  • Such a design of filling channels makes it possible, in particular, in relation to an overall cross section of the filling nozzle, to reduce the area of the separating webs arranged between the filling channels. This increases the filling performance in relation to the total cross-section of the filling nozzle.
  • Another filling nozzle is from the DE 195 16 924 A1 known to the applicant.
  • the known filling nozzle has an approximately block-shaped housing in which two filling channels are formed for each container to be filled, each of which has a round cross-sectional area.
  • a cylindrical valve element can be introduced into the filling channels, which valve element stops or opens the passage of the filling material through the filling channel.
  • the cross-sectional areas of the filling channels in the known filling nozzles have circular cross-sectional areas, the cross-sectional area or the diameter of the filling channel being designed in such a way that filling material drips from the filling channel into the container after the filling stop.
  • the cross-sectional area of the filling channel is sufficiently small, the adhesive forces prevent dripping or leakage of the filling material from the outlet of the filling channel, the dimensioning of the cross-sectional area always depending on the viscosity or the product properties of the filling material .
  • filling nozzles are known from the prior art which have a large number of filling channels for a container, each with circular cross-sectional areas, in order to achieve the highest possible filling performance while at the same time preventing the above-mentioned dripping of the filling material.
  • the disadvantage here is that despite the use of several filling channels for filling a container, the total cross-section of the cross-sectional areas available for filling the container is relatively small in relation to the total cross-section of the filling nozzle, since the dividing webs of the filling nozzle arranged between the cross-sectional areas have a relatively large ( Cross-sectional) area.
  • the largest possible cross-sectional area of the filling nozzle for filling a container is, however, desirable in order, for example, to avoid foam formation, splashes or the like at a given filling capacity, and thus to enable the container to be filled smoothly.
  • the filling nozzle for liquid or pasty filling material with the features of claim 1 has opposite U.S. 5,909,846 has the advantage that an alternative cross-sectional shape of the filling channels is provided viewed over the axial direction, at the same time facilitating manufacture (eroding) and good cleanability of the filling channels being made possible since the non-circular cross-sectional areas have rounded corner areas.
  • the invention uses the configuration of the filling channels already known from the prior art mentioned at the beginning, according to which at least one of the filling channels has a cross-sectional area that is non-circular in a plane perpendicular to the longitudinal direction of the housing in order to minimize the total cross-sectional area of the separating webs.
  • the available cross-section of the filling nozzle is filled as completely as possible with the cross-sectional areas of the filling channels in order to minimize the cross-sectional area of the partitions separating the filling channels.
  • the partial area of the filling nozzle in which the filling channels are formed has a round outer contour, in the longitudinal axis of which a first filling channel with a round cross-sectional area is formed, around which at regular angular intervals around a plurality of second filling channels, preferably each having the same non-circular cross-sectional areas, are arranged.
  • the Cross-sectional areas of the second filling channels are each approximately triangular.
  • the triangular shape has the advantage that, particularly in the case of round or oval filling nozzles (based on the outer shape of the filling nozzle), a relatively simple adaptation of the cross-sectional areas is made possible in order to achieve the largest possible filling cross-section overall.
  • the sub-area in which the filling channels are formed has an outer contour that is adapted to the inner cross-section of the container to be filled, in particular at least substantially rectangular, and that the filling channels are at least essentially all rectangular in cross-section and they are rectangular Have cross-sectional areas.
  • the size of the cross-sectional areas is adapted to the requirements mentioned at the beginning with regard to preventing the filling material from dripping out of the filling channels or optimized in this regard.
  • the cross-sectional areas are optimized in that the cross-sectional areas are each approximately the same size. In particular, this means that the size of the cross-sectional areas is selected such that dripping of the product or filling material from the filling channels at the end of filling is avoided.
  • the invention also comprises a metering device using a filling nozzle according to the invention and the use of a filling nozzle according to the invention for metering beverages or pasty fillings such as yogurt, mustard or similar foods.
  • the first filling nozzle 10 shown is part of a metering device, not shown in the figures, for liquid or pasty filling material.
  • a liquid or pasty filling material is understood to be a liquid such as lemonade, milk or a food such as mustard, ketchup, yogurt (possibly with solid components) or the like.
  • at least one filling nozzle 10 is used in each case to fill a container, likewise not shown in the figures, which has, for example, a round or rectangular internal cross section.
  • the filling nozzle 10 has an essentially cylindrical housing 11 made of metal, in particular stainless steel, which has a connection flange 12 on the side facing the metering device, via which the connection flange 12 or the housing 11 is connected to the metering device by means of connecting elements (screws). can be connected.
  • the housing 11 has a first recess 15 formed concentrically to a longitudinal axis 14, within which a valve member (not shown) is arranged to be longitudinally movable. Inside the recess 15, this has different cross-sectional or diameter areas, which are formed by a corresponding geometric configuration of the inner wall 16 of the recess 15.
  • a plurality of filling channels 18, 19 extend from the preferably flat bottom 17 of the recess 15, which run parallel to the longitudinal axis 14 and which extend over a sub-area 21 of the length of the housing 11, the length of the sub-area 21 being about 30 in the illustrated embodiment % of the total length of the housing 11 in its longitudinal direction.
  • the filling nozzle 10 has a round outer contour 22.
  • the cross-sectional areas 23, 24 of the filling channels 18, 19 have different shapes in the illustrated embodiment. How particularly with the Fig. 4 As can be seen, the filling nozzle 10 has a first filling channel 18 which is configured centrally or concentrically to the longitudinal axis 14, the cross-sectional area 23 of which is circular or round. Eight, each identically designed filling channels 19 with approximately triangular cross-sectional areas 24 are arranged at equal angular intervals around the (central) filling channel 18. The size of the cross-sectional areas 23, 24 is at least approximately the same size in each case, in such a way that filling material dripping out of the filling nozzle 10 as a result of adhesive forces is avoided.
  • the arrangement of the filling channels 19, which are approximately triangular in cross section, is such that a base leg 26 of the cross-sectional area 24 is arranged on an outer pitch circle diameter of the cross section of the filling nozzle 10, with starting from the base leg 26 Side legs 27, 28 aim approximately at the longitudinal axis 14 or are aligned with this. Between the base limb 26 and the two side limbs 27, 28 and between the two side limbs 27, 28, the cross-sectional area 24 has corner regions 29 that are each rounded.
  • the arrangement or design of the filling channels 18, 19 or their cross-sectional areas 23, 24 is such that separating webs 30 of the sub-area 21 of the filling nozzle 10 formed between the filling channels 18, 19, based on the overall cross-section of the filling nozzle 10, are as small as possible Take up cross-sectional area, since the cross-section of the separating webs 30 is not available for filling the container.
  • the formation of at least the non-circular filling channels 19 takes place, for example, and not by way of limitation, by means of an erosion process.
  • the cross-sectional area 23, 24 of the filling channels 18, 19 viewed in the longitudinal direction of the filling nozzle 10 is in each case approximately constant, i.e. cylindrical.
  • FIG. 5 The bottom view of a modified filling nozzle 10a using filling channels 32 each having a rectangular cross-sectional area 31 with rounded corner regions 33 is shown.
  • the filling nozzle 10a has a rectangular outer contour 34 or a rectangular cross section, with a matrix of 4 ⁇ 4, each identically designed filling channels 32 being arranged within the cross section of the filling nozzle 10a.
  • the arrangement or formation of the filling channels 32 and their cross-sectional areas 31 are designed such that the separating webs 35 separating the filling channels 32 are minimized with respect to their cross-sectional area with respect to the total cross section of the filling nozzle 10a.
  • FIG. 6 Another, modified filling nozzle 10b with filling channels 38 is shown, whereby it is essential that the filling channels 38, which are each identical in the illustrated embodiment, are conical when viewed in the longitudinal direction of the filling nozzle 10b.
  • the conicity of the filling channels 38 is such that the cross-sectional area 37 of each filling channel 38 increases steadily in the direction of the outlet 39 of the filling nozzle 10b, from which the product is dispensed into the container to be filled.
  • the filling nozzles 10, 10a, 10b described so far can be modified or modified in various ways without deviating from the inventive concept.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Basic Packing Technique (AREA)

Description

Stand der TechnikState of the art

Die Erfindung betrifft eine Fülldüse für flüssiges oder pastöses Füllgut nach dem Oberbegriff des Anspruchs 1. Ferner betrifft die Erfindung eine Dosiereinrichtung mit einer erfindungsgemäßen Fülldüse sowie die Verwendung einer erfindungsgemäßen Fülldüse.The invention relates to a filling nozzle for liquid or pasty filling material according to the preamble of claim 1. Furthermore, the invention relates to a metering device with a filling nozzle according to the invention and the use of a filling nozzle according to the invention.

Eine Fülldüse ist aus der nachveröffentlichten WO 2015/043854 A1 bekannt.A filling nozzle is from the post-published WO 2015/043854 A1 known.

Das US 5,909,846 zeigt eine Fülldüse, die eine Füllplatte mit Füllkanälen aufweist, wobei sich der Querschnitt der Füllkanäle in Längs- bzw. Durchflussrichtung der Füllkanäle betrachtet ändert. Insbesondere sind den Fig. 8a bis 8d der genannten Schrift Querschnitte der Füllkanäle entnehmbar, die sich in Längsrichtung der Füllkanäle entweder stetig verringern, oder aber sich zunächst verringern und anschließend wieder auf die ursprüngliche Querschnittsfläche erweitern. Eine derartige geometrische Ausbildung der Füllkanäle soll das Nachtropfen von Füllgut aus den Fülldüsen reduzieren.The U.S. 5,909,846 shows a filling nozzle which has a filling plate with filling channels, the cross section of the filling channels changing when viewed in the longitudinal or throughflow direction of the filling channels. In particular, FIGS. 8a to 8d of the cited document show cross-sections of the filling channels, which either decrease continuously in the longitudinal direction of the filling channels, or else initially decrease and then expand again to the original cross-sectional area. Such a geometric design of the filling channels is intended to reduce the dripping of filling material from the filling nozzles.

Aus der JP 2010/030613 A1 und der US 2,650,551 sind darüber hinaus Fülldüsen mit Füllkanälen bekannt, wobei wenigstens einer der Füllkanäle einen unrunden Querschnitt aufweist. Eine derartige Ausbildung von Füllkanälen ermöglicht es insbesondere, bezogen auf einen Gesamtquerschnitt der Fülldüse, die Fläche der zwischen den Füllkanälen angeordneten Trennstege zu reduzieren. Dadurch wird die Abfüllleistung, bezogen auf den Gesamtquerschnitt der Fülldüse, vergrößert.From the JP 2010/030613 A1 and the U.S. 2,650,551 In addition, filling nozzles with filling channels are known, at least one of the filling channels having a non-circular cross section. Such a design of filling channels makes it possible, in particular, in relation to an overall cross section of the filling nozzle, to reduce the area of the separating webs arranged between the filling channels. This increases the filling performance in relation to the total cross-section of the filling nozzle.

Eine weitere Fülldüse ist aus der DE 195 16 924 A1 der Anmelderin bekannt. Die bekannte Fülldüse weist ein in etwa blockförmig ausgebildetes Gehäuse auf, in dem für jeden zu befüllenden Behälter zwei Füllkanäle ausgebildet sind, die jeweils eine runde Querschnittfläche haben. In die Füllkanäle ist zum Beenden bzw. zur Steuerung des Füllvorgangs ein zylindrisches Ventilelement einführbar, das den Durchtritt des Füllguts durch den Füllkanal stoppt bzw. freigibt.Another filling nozzle is from the DE 195 16 924 A1 known to the applicant. The known filling nozzle has an approximately block-shaped housing in which two filling channels are formed for each container to be filled, each of which has a round cross-sectional area. To end or control the filling process, a cylindrical valve element can be introduced into the filling channels, which valve element stops or opens the passage of the filling material through the filling channel.

Aus Gründen der einfachen Herstellbarkeit weisen die Querschnittflächen der Füllkanäle bei der bekannten Fülldüsen kreisrunde Querschnittsflächen auf, wobei die Querschnittfläche bzw. der Durchmesser des Füllkanals derart ausgelegt ist, dass ein Nachtropfen von Füllgut aus dem Füllkanal in den Behälter nach dem Füllstopp vermieden wird. Dazu wird sich der Effekt zunutze gemacht, dass bei genügend kleiner Querschnittsfläche des Füllkanals durch die Adhäsionskräfte ein Nachtropfen bzw. Auslaufen des Füllguts aus dem Auslass des Füllkanals vermieden werden kann, wobei die Dimensionierung der Querschnittfläche stets von der Viskosität bzw. den Produkteigenschaften des Füllguts abhängt.For reasons of ease of manufacture, the cross-sectional areas of the filling channels in the known filling nozzles have circular cross-sectional areas, the cross-sectional area or the diameter of the filling channel being designed in such a way that filling material drips from the filling channel into the container after the filling stop. For this purpose, use is made of the effect that if the cross-sectional area of the filling channel is sufficiently small, the adhesive forces prevent dripping or leakage of the filling material from the outlet of the filling channel, the dimensioning of the cross-sectional area always depending on the viscosity or the product properties of the filling material .

Darüber hinaus sind aus dem Stand der Technik Fülldüsen bekannt, die eine Vielzahl von Füllkanälen für einen Behälter mit jeweils kreisförmigen Querschnittsflächen aufweisen, um eine möglichst hohe Füllleistung bei gleichzeitiger Verhinderung des angesprochenen Nachtropfens des Füllguts zu erzielen. Nachteilig dabei ist, dass trotz der Verwendung mehrerer Füllkanäle zum Befüllen eines Behälters der zur Befüllung des Behälters zur Verfügung stehende Gesamtquerschnitt der Querschnittsflächen, bezogen auf den Gesamtquerschnitt der Fülldüse, relativ gering ist, da die zwischen den Querschnittsflächen angeordneten Trennstege der Fülldüse eine relativ große (Querschnitts-)Fläche aufweisen. Eine möglichst große Querschnittsfläche der Fülldüse zur Befüllung eines Behälters ist jedoch wünschenswert, um beispielsweise bei einer gegebenen Füllleistung Schaumbildung, Spritzer oder ähnliches zu vermeiden, und somit ein reibungsloses Abfüllen des Behälters zu ermöglichen.In addition, filling nozzles are known from the prior art which have a large number of filling channels for a container, each with circular cross-sectional areas, in order to achieve the highest possible filling performance while at the same time preventing the above-mentioned dripping of the filling material. The disadvantage here is that despite the use of several filling channels for filling a container, the total cross-section of the cross-sectional areas available for filling the container is relatively small in relation to the total cross-section of the filling nozzle, since the dividing webs of the filling nozzle arranged between the cross-sectional areas have a relatively large ( Cross-sectional) area. The largest possible cross-sectional area of the filling nozzle for filling a container is, however, desirable in order, for example, to avoid foam formation, splashes or the like at a given filling capacity, and thus to enable the container to be filled smoothly.

Offenbarung der ErfindungDisclosure of the invention

Die Fülldüse für flüssiges oder pastöses Füllgut mit den Merkmalen des Anspruchs 1 weist gegenüber der US 5,909,846 den Vorteil auf, dass eine alternative Querschnittsform der Füllkanäle über die axiale Richtung betrachtet bereitgestellt wird, wobei gleichzeitig eine einfachere Herstellbarkeit (Erodieren) bzw. eine gute Reinigbarkeit der Füllkanäle ermöglicht wird, da die unrunden Querschnittsflächen gerundet ausgebildete Eckbereiche aufweisen.The filling nozzle for liquid or pasty filling material with the features of claim 1 has opposite U.S. 5,909,846 has the advantage that an alternative cross-sectional shape of the filling channels is provided viewed over the axial direction, at the same time facilitating manufacture (eroding) and good cleanability of the filling channels being made possible since the non-circular cross-sectional areas have rounded corner areas.

Weiterhin nutzt die Erfindung die bereits aus dem eingangs erwähnten Stand der Technik bekannte Ausgestaltung der Füllkanäle, wonach wenigstens einer der Füllkanäle zur Minimierung der Gesamtquerschnittsfläche der Trennstege in einer Ebene senkrecht zur Längsrichtung des Gehäuses eine Querschnittfläche aufweist, die unrund ausgebildet ist. Dadurch wird der zur Verfügung stehende Querschnitt der Fülldüse möglichst vollständig mit den Querschnittflächen der Füllkanäle ausgefüllt, um die Querschnittsfläche der die Füllkanäle trennenden Trennstege zu minimieren. Dies erfordert in der Praxis stets wenigstens einen Füllkanal bzw. eine Querschnittsfläche, die unrund, beispielsweise dreiecksförmig, rechteckig oder ähnlich ausgebildet ist, um den zur Verfügung stehenden Querschnitt der Fülldüse möglichst optimal mit den Querschnittsflächen der Füllkanäle auszufüllen.Furthermore, the invention uses the configuration of the filling channels already known from the prior art mentioned at the beginning, according to which at least one of the filling channels has a cross-sectional area that is non-circular in a plane perpendicular to the longitudinal direction of the housing in order to minimize the total cross-sectional area of the separating webs. As a result, the available cross-section of the filling nozzle is filled as completely as possible with the cross-sectional areas of the filling channels in order to minimize the cross-sectional area of the partitions separating the filling channels. In practice, this always requires at least one filling channel or a cross-sectional area that is non-circular, for example triangular, rectangular or similar, in order to fill the available cross-section of the filling nozzle as optimally as possible with the cross-sectional areas of the filling channels.

Vorteilhafte Weiterbildungen der erfindungsgemäßen Fülldüse für eine Dosiereinrichtung für flüssiges oder pastöses Füllgut sind in den Unteransprüchen aufgeführt.Advantageous developments of the filling nozzle according to the invention for a metering device for liquid or pasty filling material are listed in the subclaims.

In einer ersten konstruktiven bzw. geometrischen Gestaltung der Füllkanäle wird vorgeschlagen, dass der Teilbereich der Fülldüse, in dem die Füllkanäle ausgebildet sind, eine runde Außenkontur aufweist, in dessen Längsachse ein erster, eine runde Querschnittsfläche aufweisender Füllkanal ausgebildet ist, um den in gleichmäßigen Winkelabständen herum mehrere, vorzugsweise jeweils dieselben unrunden Querschnittsflächen aufweisende zweite Füllkanäle angeordnet sind.In a first structural or geometric design of the filling channels, it is proposed that the partial area of the filling nozzle in which the filling channels are formed has a round outer contour, in the longitudinal axis of which a first filling channel with a round cross-sectional area is formed, around which at regular angular intervals around a plurality of second filling channels, preferably each having the same non-circular cross-sectional areas, are arranged.

Insbesondere wird vorgeschlagen, dass die Querschnittsflächen der zweiten Füllkanäle jeweils in etwa dreiecksförmig ausgebildet sind. Die Dreiecksform hat den Vorteil, dass insbesondere bei runden oder ovalen Fülldüsen (bezogen auf die äußere Form der Fülldüse) eine relativ einfache Anpassung der Querschnittsflächen zur Erzielung eines insgesamt möglichst großen Füllquerschnitts ermöglicht wird.In particular, it is suggested that the Cross-sectional areas of the second filling channels are each approximately triangular. The triangular shape has the advantage that, particularly in the case of round or oval filling nozzles (based on the outer shape of the filling nozzle), a relatively simple adaptation of the cross-sectional areas is made possible in order to achieve the largest possible filling cross-section overall.

Alternativ ist es auch denkbar, dass der Teilbereich, in dem die Füllkanäle ausgebildet sind, eine dem Innenquerschnitt des zu befüllenden Behälters angepassten, insbesondere zumindest im Wesentlichen rechteckförmige Außenkontur aufweist, und dass die Füllkanäle zumindest im Wesentlichen alle im Querschnitt rechteckförmig ausgebildet sind und dieselben rechteckförmigen Querschnittsflächen aufweisen. Dabei ist die Größe der Querschnittsflächen den eingangs erwähnten Erfordernissen bezüglich des Verhinderns des Nachtropfens des Füllguts aus den Füllkanälen angepasst bzw. diesbezüglich optimiert.Alternatively, it is also conceivable that the sub-area in which the filling channels are formed has an outer contour that is adapted to the inner cross-section of the container to be filled, in particular at least substantially rectangular, and that the filling channels are at least essentially all rectangular in cross-section and they are rectangular Have cross-sectional areas. The size of the cross-sectional areas is adapted to the requirements mentioned at the beginning with regard to preventing the filling material from dripping out of the filling channels or optimized in this regard.

Eine Optimierung der Querschnittsflächen wird dadurch erzielt, dass die Querschnittsflächen jeweils in etwa gleich groß sind. Insbesondere ist damit gemeint, dass die Größe der Querschnittsflächen derart gewählt ist, dass ein Nachtropfen vom Produkt bzw. Füllgut aus den Füllkanälen beim Füllende vermieden wird.The cross-sectional areas are optimized in that the cross-sectional areas are each approximately the same size. In particular, this means that the size of the cross-sectional areas is selected such that dripping of the product or filling material from the filling channels at the end of filling is avoided.

Die Erfindung umfasst auch eine Dosiereinrichtung unter Verwendung einer erfindungsgemäßen Fülldüse sowie die Verwendung einer erfindungsgemäßen Fülldüse zum Dosieren von Getränken oder pastösem Füllgut wie Joghurt, Senf oder ähnlichen Lebensmitteln.The invention also comprises a metering device using a filling nozzle according to the invention and the use of a filling nozzle according to the invention for metering beverages or pasty fillings such as yogurt, mustard or similar foods.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung.Further advantages, features and details of the invention emerge from the following description of preferred exemplary embodiments and with reference to the drawing.

Diese zeigt in:

Fig. 1
eine perspektivische Ansicht von unten auf eine erste Fülldüse für eine Dosiereinrichtung,
Fig. 2
eine perspektivische Ansicht der Fülldüse gemäß Fig. 1 in ihrer Einbaulage,
Fig. 3
einen Längsschnitt durch die Fülldüse gemäß den Fig. 1 und 2 in ihrem zentralen Bereich,
Fig. 4
eine Unteransicht auf die Auslässe der Füllkanäle der Fülldüse gemäß den Fig. 1 bis 3 in vergrößerter Darstellung,
Fig. 5
eine Unteransicht auf eine gegenüber Fig. 1 bis 4 modifizierte Fülldüse unter Verwendung von rechteckförmigen Füllkanälen und
Fig. 6
einen Längsschnitt durch eine weitere, modifizierte Fülldüse unter Verwendung von im Längsschnitt konisch ausgebildeten Füllkanälen.
This shows in:
Fig. 1
a perspective view from below of a first filling nozzle for a metering device,
Fig. 2
a perspective view of the filling nozzle according to Fig. 1 in their installation position,
Fig. 3
a longitudinal section through the filling nozzle according to the Figs. 1 and 2 in their central area,
Fig. 4
a bottom view of the outlets of the filling channels of the filling nozzle according to FIG Figs. 1 to 3 in an enlarged view,
Fig. 5
a bottom view of an opposite Figs. 1 to 4 modified filling nozzle using rectangular filling channels and
Fig. 6
a longitudinal section through a further, modified filling nozzle using filling channels conical in longitudinal section.

Gleiche Elemente bzw. Elemente mit gleicher Funktion sind in den Figuren mit den gleichen Bezugsziffern versehen.The same elements or elements with the same function are provided with the same reference numbers in the figures.

Die in den Fig. 1 bis 4 dargestellte erste Fülldüse 10 ist Bestandteil einer in den Figuren nicht dargestellten Dosiereinrichtung für flüssiges oder pastöses Füllgut. Unter einem flüssigen oder pastösen Füllgut wird im Rahmen der Verwendung der Fülldüse 10 eine Flüssigkeit wie Limonade, Milch bzw. ein Lebensmittel wir Senf, Ketchup, Joghurt (ggf. mit festen Bestandteilen) oder ähnliches verstanden. Dabei dient jeweils wenigstens eine Fülldüse 10 zum Befüllen eines in den Figuren ebenfalls nicht dargestellten Behälters, welcher beispielsweise einen runden oder rechteckförmigen Innenquerschnitt aufweist.The ones in the Figs. 1 to 4 The first filling nozzle 10 shown is part of a metering device, not shown in the figures, for liquid or pasty filling material. In the context of the use of the filling nozzle 10, a liquid or pasty filling material is understood to be a liquid such as lemonade, milk or a food such as mustard, ketchup, yogurt (possibly with solid components) or the like. In this case, at least one filling nozzle 10 is used in each case to fill a container, likewise not shown in the figures, which has, for example, a round or rectangular internal cross section.

Die Fülldüse 10 weist ein im wesentlichen zylindrisch ausgebildetes, aus Metall, insbesondere Edelstahl bestehendes Gehäuse 11 auf, das auf der der Dosiereinrichtung zugewandeten Seite einen Anschlussflansch 12 hat, über den der Anschlussflansch 12 bzw. das Gehäuse 11 mit der Dosiereinrichtung mittels Verbindungselementen (Schrauben) verbunden werden kann. Das Gehäuse 11 weist eine konzentrisch zu einer Längsachse 14 ausgebildete erste Ausnehmung 15 auf, innerhalb derer ein nicht dargestelltes Ventilglied längsbeweglich angeordnet ist. Innerhalb der Ausnehmung 15 weist diese unterschiedliche Querschnitts- bzw. Durchmesserbereiche auf, die durch eine entsprechende geometrische Ausgestaltung der Innenwand 16 der Ausnehmung 15 ausgebildet sind.The filling nozzle 10 has an essentially cylindrical housing 11 made of metal, in particular stainless steel, which has a connection flange 12 on the side facing the metering device, via which the connection flange 12 or the housing 11 is connected to the metering device by means of connecting elements (screws). can be connected. The housing 11 has a first recess 15 formed concentrically to a longitudinal axis 14, within which a valve member (not shown) is arranged to be longitudinally movable. Inside the recess 15, this has different cross-sectional or diameter areas, which are formed by a corresponding geometric configuration of the inner wall 16 of the recess 15.

Vom vorzugsweise ebenen Boden 17 der Ausnehmung 15 gehen eine Vielzahl von Füllkanälen 18, 19 aus, die parallel zur Längsachse 14 verlaufen, und die sich über einen Teilbereich 21 der Länge des Gehäuses 11 erstrecken, wobei im dargestellten Ausführungsbeispiel die Länge des Teilbereichs 21 etwa 30% der Gesamtlänge des Gehäuses 11 in dessen Längsrichtung beträgt. Im Teilbereich 21 weist die Fülldüse 10 eine runde Außenkontur 22 auf.A plurality of filling channels 18, 19 extend from the preferably flat bottom 17 of the recess 15, which run parallel to the longitudinal axis 14 and which extend over a sub-area 21 of the length of the housing 11, the length of the sub-area 21 being about 30 in the illustrated embodiment % of the total length of the housing 11 in its longitudinal direction. In the partial area 21, the filling nozzle 10 has a round outer contour 22.

Die Querschnittsflächen 23, 24 der Füllkanäle 18, 19 weisen im dargestellten Ausführungsbeispiel unterschiedliche Formen auf. Wie insbesondere anhand der Fig. 4 erkennbar ist, weist die Fülldüse 10 einen mittig bzw. konzentrisch zur Längsachse 14 ausgebildeten ersten Füllkanal 18 auf, dessen Querschnittsfläche 23 kreisförmig bzw. rund ausgebildet ist. In gleichmäßigen Winkelabständen um den (zentralen) Füllkanal 18 sind beispielhaft acht, jeweils identisch ausgebildete Füllkanäle 19 mit in etwa dreiecksförmigen Querschnittsflächen 24 angeordnet. Die Größe der Querschnittsflächen 23, 24 ist jeweils zumindest in etwa gleich groß ausgebildet, derart, dass ein Nachtropfen von Füllgut aus der Fülldüse 10 infolge von Adhäsionskräften vermieden wird. Die Anordnung der im Querschnitt in etwa dreiecksförmigen Füllkanäle 19 ist derart, dass ein Basisschenkel 26 der Querschnittsfläche 24 auf einem äußeren Teilkreisdurchmesser des Querschnitts der Fülldüse 10 angeordnet ist, wobei von dem Basisschenkel 26 ausgehende Seitenschenkel 27, 28 in etwa auf die Längsachse 14 zielen bzw. zu dieser ausgerichtet sind. Zwischen dem Basisschenkel 26 und den beiden Seitenschenkeln 27, 28 sowie zwischen den beiden Seitenschenkel 27, 28 weist die Querschnittsfläche 24 jeweils gerundet ausgebildete Eckbereiche 29 auf.The cross-sectional areas 23, 24 of the filling channels 18, 19 have different shapes in the illustrated embodiment. How particularly with the Fig. 4 As can be seen, the filling nozzle 10 has a first filling channel 18 which is configured centrally or concentrically to the longitudinal axis 14, the cross-sectional area 23 of which is circular or round. Eight, each identically designed filling channels 19 with approximately triangular cross-sectional areas 24 are arranged at equal angular intervals around the (central) filling channel 18. The size of the cross-sectional areas 23, 24 is at least approximately the same size in each case, in such a way that filling material dripping out of the filling nozzle 10 as a result of adhesive forces is avoided. The arrangement of the filling channels 19, which are approximately triangular in cross section, is such that a base leg 26 of the cross-sectional area 24 is arranged on an outer pitch circle diameter of the cross section of the filling nozzle 10, with starting from the base leg 26 Side legs 27, 28 aim approximately at the longitudinal axis 14 or are aligned with this. Between the base limb 26 and the two side limbs 27, 28 and between the two side limbs 27, 28, the cross-sectional area 24 has corner regions 29 that are each rounded.

Die Anordnung bzw. Ausbildung der Füllkanäle 18, 19 bzw. deren Querschnittsflächen 23, 24 ist derart, dass zwischen den Füllkanälen 18, 19 ausgebildete Trennstege 30 des Teilbereichs 21 der Fülldüse 10, bezogen auf den Gesamtquerschnitt der Fülldüse 10, insgesamt gesehen eine möglichst geringe Querschnittsfläche einnehmen, da der Querschnitt der Trennstege 30 zur Befüllung des Behälters nicht zur Verfügung steht. Das Ausbilden zumindest der unrunden Füllkanäle 19 erfolgt beispielsweise, und nicht einschränkend, durch einen Erodierprozess. Darüber hinaus ist die Querschnittsfläche 23, 24 der Füllkanäle 18, 19 in Längsrichtung der Fülldüse 10 betrachtet jeweils in etwa konstant, d.h. zylindrisch.The arrangement or design of the filling channels 18, 19 or their cross-sectional areas 23, 24 is such that separating webs 30 of the sub-area 21 of the filling nozzle 10 formed between the filling channels 18, 19, based on the overall cross-section of the filling nozzle 10, are as small as possible Take up cross-sectional area, since the cross-section of the separating webs 30 is not available for filling the container. The formation of at least the non-circular filling channels 19 takes place, for example, and not by way of limitation, by means of an erosion process. In addition, the cross-sectional area 23, 24 of the filling channels 18, 19 viewed in the longitudinal direction of the filling nozzle 10 is in each case approximately constant, i.e. cylindrical.

In der Fig. 5 ist die Unteransicht einer modifizierten Fülldüse 10a unter Verwendung jeweils eine rechteckförmige Querschnittsfläche 31 aufweisenden Füllkanälen 32 mit gerundet ausgebildeten Eckbereichen 33 dargestellt. Die Fülldüse 10a weist eine rechteckförmige Außenkontur 34 bzw. einem rechteckförmigen Querschnitt auf, wobei innerhalb des Querschnitts der Fülldüse 10a eine Matrix von 4x4, jeweils identisch ausgebildeten Füllkanälen 32 angeordnet ist. Auch bei der Fülldüse 10a ist die Anordnung bzw. Ausbildung der Füllkanäle 32 sowie deren Querschnittsflächen 31 derart ausgelegt, dass die Füllkanäle 32 trennende Trennstege 35 bezüglich des Gesamtquerschnitts der Fülldüse 10a hinsichtlich ihrer Querschnittsfläche minimiert sind.In the Fig. 5 The bottom view of a modified filling nozzle 10a using filling channels 32 each having a rectangular cross-sectional area 31 with rounded corner regions 33 is shown. The filling nozzle 10a has a rectangular outer contour 34 or a rectangular cross section, with a matrix of 4 × 4, each identically designed filling channels 32 being arranged within the cross section of the filling nozzle 10a. In the case of the filling nozzle 10a, too, the arrangement or formation of the filling channels 32 and their cross-sectional areas 31 are designed such that the separating webs 35 separating the filling channels 32 are minimized with respect to their cross-sectional area with respect to the total cross section of the filling nozzle 10a.

In der Fig. 6 ist eine weitere, modifizierte Fülldüse 10b mit Füllkanälen 38 dargestellt, wobei es wesentlich ist, dass die Füllkanäle 38, die im dargestellten Ausführungsbeispiel jeweils identisch ausgebildet sind, in Längsrichtung der Fülldüse 10b betrachtet konisch ausgebildet sind. Die Konizität der Füllkanäle 38 ist dabei derart, dass die Querschnittsfläche 37 jedes Füllkanals 38 in Richtung zum Auslass 39 der Fülldüse 10b, aus dem das Produkt in den zu befüllenden Behälter abgegeben wird, sich stetig vergrößert.In the Fig. 6 Another, modified filling nozzle 10b with filling channels 38 is shown, whereby it is essential that the filling channels 38, which are each identical in the illustrated embodiment, are conical when viewed in the longitudinal direction of the filling nozzle 10b. The conicity of the filling channels 38 is such that the cross-sectional area 37 of each filling channel 38 increases steadily in the direction of the outlet 39 of the filling nozzle 10b, from which the product is dispensed into the container to be filled.

Die soweit beschriebenen Fülldüsen 10, 10a, 10b, können in vielfältiger Art und Weise abgewandelt bzw. modifiziert werden, ohne vom Erfindungsgedanken abzuweichen.The filling nozzles 10, 10a, 10b described so far can be modified or modified in various ways without deviating from the inventive concept.

Claims (6)

  1. Filling nozzle (10; 10a; 10b) for liquid or pasty filling material, having a housing (11) with a plurality of filling channels (18, 19; 32; 38) which are intended for filling a container and are each formed by an aperture in at least one sub-region (21) of the housing (11), said sub-region extending in the axial direction of the filling nozzle (10; 10a; 10b), wherein the filling channels (18, 19; 32; 38), as seen in the longitudinal direction of the housing (11), are separated from one another by separating crosspieces (30; 35), which delimit the cross section of the filling channels (18, 19; 32; 38), wherein, for the purpose of minimizing the overall cross-sectional surface area of the separating crosspieces (30; 35) in a plane perpendicular to the longitudinal direction of the housing (11), a plurality of the filling channels (19; 32; 38) have a non-round cross-sectional surface area (24; 31; 37), wherein the non-round cross-sectional surface areas (24; 31; 37) are triangular or rectangular, wherein the filling channels (38), as seen in the longitudinal direction of the housing (11), are each conical, wherein the non-round cross-sectional surface areas (24; 31; 37) of the filling channels (19; 32; 38) have rounded corner regions (29; 33), and wherein the filling channels (19; 32; 38) having a non-round cross-sectional surface area (24; 31; 37) are each of identical design,
    characterized
    in that the cross-sectional surface areas (24; 31; 37) of the filling channels (18; 19; 32; 38) increase continuously in the direction of an outlet (39) of the filling nozzle (10; 10a; 10b).
  2. Filling nozzle according to Claim 1,
    characterized
    in that the sub-region (21) has a round outer contour (22), and in that a first filling channel (18), which has a round cross-sectional surface area (23), is formed along the longitudinal axis (14) of the sub-region (21) and has a plurality of second filling channels (19), which each have the same non-round cross-sectional surface areas (24), arranged around it at regular angular spacings.
  3. Filling nozzle according to Claim 2,
    characterized
    in that the cross-sectional surface areas (24) of the second filling channels (19) are each approximately triangular.
  4. Filling nozzle according to Claim 1,
    characterized
    in that the sub-region (21) has an in particular at least essentially rectangular outer contour (34), which is adapted to the inner cross section of the container which is to be filled, and in that the filling channels (32) at least essentially all have rectangular cross-sectional surface areas (31) of the same size.
  5. Metering device having a filling nozzle (10; 10a; 10b) according to one of Claims 1 to 4.
  6. Use of a filling nozzle (10; 10a; 10b) according to one of Claims 1 to 4 for metering beverages or pasty filling materials, such as yoghurt, mustard or the like, into containers.
EP14186018.9A 2013-10-02 2014-09-23 Filling nozzle for liquid or pasty filling material, metering device comprising a filling nozzle and use of the filling nozzle Active EP2857319B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013220007.2A DE102013220007A1 (en) 2013-10-02 2013-10-02 Filling nozzle for liquid or pasty filling material, metering device with a filling nozzle and use of the filling nozzle

Publications (3)

Publication Number Publication Date
EP2857319A1 EP2857319A1 (en) 2015-04-08
EP2857319B1 EP2857319B1 (en) 2017-09-06
EP2857319B2 true EP2857319B2 (en) 2020-12-02

Family

ID=51589170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14186018.9A Active EP2857319B2 (en) 2013-10-02 2014-09-23 Filling nozzle for liquid or pasty filling material, metering device comprising a filling nozzle and use of the filling nozzle

Country Status (2)

Country Link
EP (1) EP2857319B2 (en)
DE (1) DE102013220007A1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650551A (en) 1951-05-11 1953-09-01 John F Eckels Extruder head
DE3134182C2 (en) 1981-08-28 1985-05-02 Jagenberg-Werke AG, 4000 Düsseldorf Outlet nozzle on filling devices for liquids
JP3568598B2 (en) 1994-09-28 2004-09-22 日本テトラパック株式会社 Nozzle plate for liquid filling
DE19516924A1 (en) 1995-05-09 1996-11-14 Bosch Gmbh Robert Dosing device
IT1296418B1 (en) 1997-11-28 1999-06-25 Sasib Food S P A Ora Sasib Pro ANTI-DRIP NOZZLE IN THE FILLING MACHINE OF OILY LIQUID PRODUCTS.
FR2905121B1 (en) 2006-08-28 2010-09-24 Pack Realisations SEAT FOR A FILLING NUTS.
JP5597883B2 (en) 2008-07-25 2014-10-01 靜甲株式会社 Filling nozzle of liquid filling machine
DE102013110774A1 (en) * 2013-09-30 2015-04-02 Sig Technology Ag Device for changing the jet shape of flowable products
DE102013110787A1 (en) 2013-09-30 2015-04-02 Sig Technology Ag Device for changing the jet shape of flowable products

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Publication number Publication date
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EP2857319B1 (en) 2017-09-06
EP2857319A1 (en) 2015-04-08

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