EP2857319B1 - 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
EP2857319B1
EP2857319B1 EP14186018.9A EP14186018A EP2857319B1 EP 2857319 B1 EP2857319 B1 EP 2857319B1 EP 14186018 A EP14186018 A EP 14186018A EP 2857319 B1 EP2857319 B1 EP 2857319B1
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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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EP2857319A1 (en
EP2857319B2 (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 US 5,909,846 shows a filling nozzle having a filling plate with filling channels, wherein the cross section of the filling channels changes viewed in the longitudinal or flow direction of the filling channels.
  • FIGS. 8a to 8d of the cited document show cross-sections of the filling channels which either steadily decrease in the longitudinal direction of the filling channels or else initially decrease and subsequently expand again to the original cross-sectional area.
  • Such a geometric design of the filling channels should reduce the dripping of filling material from the filling nozzles.
  • filling nozzles with filling channels are known, wherein at least one of the filling channels has a non-circular cross-section.
  • Such a design of filling channels makes it possible in particular, based on an overall cross-section of the filling nozzle, to reduce the area of the separating webs arranged between the filling channels. As a result, the filling capacity, based on the total cross section of the filling nozzle, increased.
  • the known filling nozzle has an approximately block-shaped housing in which two filling channels are formed for each container to be filled, each having a round cross-sectional area.
  • a cylindrical valve element is inserted, which stops or releases the passage of the filling material through the filling channel.
  • the effect is exploited that with sufficiently small cross-sectional area of the filling channel by the adhesion forces dripping or leakage of the filling material from the outlet of the filling channel can be avoided, the dimensioning of the cross-sectional area always depends on the viscosity or the product properties of the medium ,
  • filling nozzles are known from the prior art, which have a plurality of filling channels for a container, each having a circular cross-sectional areas, in order to achieve the highest possible filling capacity while preventing the aforementioned dripping of the filling material.
  • the disadvantage here is that despite the use of multiple filling channels for filling a container of the available filling of the container available total cross section of the cross-sectional areas, based on the total cross section of the filling nozzle, is relatively low, since the arranged between the cross-sectional areas dividers of the filling nozzle a relatively large ( Cross-sectional area) have.
  • the largest possible cross-sectional area of the filling nozzle for filling a container is desirable, for example, to avoid foaming, splashing or the like at a given filling capacity, and thus to allow a smooth filling of the container.
  • the filling nozzle for liquid or pasty filling with the features of claim 1 has with respect to US 5,909,846 the advantage that an alternative cross-sectional shape of the filling channels is provided viewed over the axial direction, at the same time a simpler manufacturability (erosion) and a good cleanability of the filling channels is made possible because the non-circular cross-sectional areas have rounded corner areas.
  • the invention uses the already known from the above-mentioned prior art embodiment of the filling channels, according to which at least one of the filling channels to minimize the total cross-sectional area of the separating webs in a plane perpendicular to the longitudinal direction of the housing has a cross-sectional area which is formed out of round.
  • 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 separating webs separating the filling channels.
  • the partial region of the filling nozzle in which the filling channels are formed have a round outer contour, in whose longitudinal axis a first filling channel having a round cross-sectional area is formed, at uniform angular intervals a plurality of, preferably in each case the same non-circular cross-sectional areas having second Grekanäle are arranged.
  • the cross-sectional areas of the second filling channels are each formed approximately triangular.
  • the triangular shape has the advantage that, in particular in the case of round or oval filling nozzles (based on the external shape of the filling nozzle), a relatively simple adaptation of the Cross-sectional areas to achieve a total of the largest possible filling cross section is made possible.
  • the partial region in which the filling channels are formed has an outer contour 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 substantially all rectangular in cross section and the same rectangular Have cross-sectional areas.
  • the size of the cross-sectional areas is adapted to the requirements mentioned above with regard to the prevention of dripping of the filling material from the filling channels or optimized in this regard.
  • cross-sectional areas are each about the same size.
  • the invention also includes 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 contents such as yogurt, mustard or similar foods.
  • first filling nozzle 10 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 as meaning a liquid such as lemonade, milk or a food such as mustard, ketchup, yoghurt (optionally with solid constituents) or the like.
  • at least one filling nozzle 10 is used for filling a container, also not shown in the figures, which has, for example, a round or rectangular inner cross section.
  • the filling nozzle 10 has a substantially cylindrically shaped, consisting of metal, in particular stainless steel housing 11, which has a connection flange 12 on the side facing the metering device, via which the connection flange 12 and the housing 11 with the metering device by means of connecting elements (screws). can be connected.
  • the housing 11 has a concentric with a longitudinal axis 14 formed first recess 15, within which an unillustrated valve member is disposed longitudinally movable. Within the recess 15, this has different cross-sectional or diameter ranges, 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, which extend parallel to the longitudinal axis 14, and which extend over a portion 21 of the length of the housing 11, wherein illustrated embodiment, the length of the portion 21 is about 30% of the total length of the housing 11 in the 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.
  • the filling nozzle 10 has a centrally or concentrically to the longitudinal axis 14 formed first filling channel 18, whose cross-sectional area 23 is circular or round.
  • the filling nozzle 10 has a centrally or concentrically to the longitudinal axis 14 formed first filling channel 18, whose cross-sectional area 23 is circular or round.
  • eight, respectively identically formed filling channels 19 with approximately triangular cross-sectional areas 24 are arranged by way of example.
  • the size of the cross-sectional areas 23, 24 is in each case at least approximately the same size, such that dripping of filling material from the filling nozzle 10 due to adhesion forces is avoided.
  • the arrangement of the approximately triangular filling channels 19 in cross-section is such that a base leg 26 of the cross-sectional surface 24 is arranged on an outer pitch diameter of the cross section of the filling nozzle 10, wherein side legs 27, 28 extending from the base leg 26 are aimed approximately at the longitudinal axis 14 are aligned to this. Between the base leg 26 and the two side legs 27, 28 and between the two side legs 27, 28, the cross-sectional area 24 has in each case rounded corner regions 29.
  • the arrangement or design of the filling channels 18, 19 or their cross-sectional areas 23, 24 is such that between the filling channels 18, 19 formed dividers 30 of the portion 21 of the filling nozzle 10, based on the total cross section of the filling nozzle 10, seen as low as possible Take cross-sectional area, since the cross section of the dividers 30 for filling the container is not available.
  • the formation of at least the non-round filling channels 19 takes place, for example, and not by way of limitation, by 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 approximately constant in each case, ie. cylindrical.
  • the bottom view of a modified filling nozzle 10a is shown using filling channels 32 having a rectangular cross-sectional area 31 with rounded corner regions 33.
  • the filling nozzle 10a has a rectangular outer contour 34 or a rectangular cross-section, wherein within the cross section of the filling nozzle 10a, a matrix of 4x4, each identically designed filling channels 32 is arranged.
  • the arrangement or design of the filling channels 32 and their cross-sectional surfaces 31 are designed such that the separating channels 32 separating dividers 35 are minimized with regard to their cross-sectional area with respect to the total cross section of the filling nozzle 10a.
  • modified filling nozzle 10b is shown with filling channels 38, wherein it is essential that the filling channels 38, which are each formed identically in the illustrated embodiment, viewed in the longitudinal direction of the filling nozzle 10b are conical.
  • the taper of the filling channels 38 is such that the cross-sectional area 37 of each filling channel 38 in the direction of the outlet 39 of the filling nozzle 10b, from which the product is discharged into the container to be filled, increases steadily.
  • the filling nozzles 10, 10a, 10b described so far can be modified or modified in many ways without deviating from the idea of the invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Supply Of Fluid Materials To The Packaging Location (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 US 5,909,846 shows a filling nozzle having a filling plate with filling channels, wherein the cross section of the filling channels changes viewed in the longitudinal or flow direction of the filling channels. In particular, FIGS. 8a to 8d of the cited document show cross-sections of the filling channels which either steadily decrease in the longitudinal direction of the filling channels or else initially decrease and subsequently expand again to the original cross-sectional area. Such a geometric design of the filling channels should 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 US 2,650,551 In addition, filling nozzles with filling channels are known, wherein at least one of the filling channels has a non-circular cross-section. Such a design of filling channels makes it possible in particular, based on an overall cross-section of the filling nozzle, to reduce the area of the separating webs arranged between the filling channels. As a result, the filling capacity, based on the total cross section of the filling nozzle, increased.

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 out of the DE 195 16 924 A1 the applicant known. The known filling nozzle has an approximately block-shaped housing in which two filling channels are formed for each container to be filled, each having a round cross-sectional area. In the filling channels to terminate or to control the filling process, a cylindrical valve element is inserted, which stops or releases 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 on circular cross-sectional areas, wherein the cross-sectional area or the diameter of the filling channel is designed such that dripping of filling material from the filling channel is avoided in the container after Füllstopp. For this purpose, the effect is exploited that with sufficiently small cross-sectional area of the filling channel by the adhesion forces dripping or leakage of the filling material from the outlet of the filling channel can be avoided, the dimensioning of the cross-sectional area always depends on the viscosity or the product properties of the medium ,

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 plurality of filling channels for a container, each having a circular cross-sectional areas, in order to achieve the highest possible filling capacity while preventing the aforementioned dripping of the filling material. The disadvantage here is that despite the use of multiple filling channels for filling a container of the available filling of the container available total cross section of the cross-sectional areas, based on the total cross section of the filling nozzle, is relatively low, since the arranged between the cross-sectional areas dividers of the filling nozzle a relatively large ( Cross-sectional area) have. However, the largest possible cross-sectional area of the filling nozzle for filling a container is desirable, for example, to avoid foaming, splashing or the like at a given filling capacity, and thus to allow a smooth filling of the container.

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 with the features of claim 1 has with respect to US 5,909,846 the advantage that an alternative cross-sectional shape of the filling channels is provided viewed over the axial direction, at the same time a simpler manufacturability (erosion) and a good cleanability of the filling channels is made possible because 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 already known from the above-mentioned prior art embodiment of the filling channels, according to which at least one of the filling channels to minimize the total cross-sectional area of the separating webs in a plane perpendicular to the longitudinal direction of the housing has a cross-sectional area which is formed out of round. 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 separating webs separating the filling channels. In practice, this always requires at least one filling channel or a cross-sectional surface which is non-circular, for example triangular, rectangular or similar, in order to optimally fill the available cross-section of the filling nozzle with the cross-sectional surfaces 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 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 constructional or geometric design of the filling channels, it is proposed that the partial region of the filling nozzle in which the filling channels are formed have a round outer contour, in whose longitudinal axis a first filling channel having a round cross-sectional area is formed, at uniform angular intervals a plurality of, preferably in each case the same non-circular cross-sectional areas having second Füllkanäle 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 proposed that the cross-sectional areas of the second filling channels are each formed approximately triangular. The triangular shape has the advantage that, in particular in the case of round or oval filling nozzles (based on the external shape of the filling nozzle), a relatively simple adaptation of the Cross-sectional areas to achieve a total of the largest possible filling cross section is made possible.

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 partial region in which the filling channels are formed has an outer contour 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 substantially all rectangular in cross section and the same rectangular Have cross-sectional areas. The size of the cross-sectional areas is adapted to the requirements mentioned above with regard to the prevention of dripping of the filling material from 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.An optimization of the cross-sectional areas is achieved in that the cross-sectional areas are each about the same size. In particular, this means that the size of the cross-sectional areas is chosen such that dripping of the product or filling material from the filling channels at the filling end 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 includes 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 contents 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 will become apparent from the following description of preferred embodiments and from 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 Fig. 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 the Fig. 1 to 3 in an enlarged view,
Fig. 5
a bottom view on one opposite Fig. 1 to 4 modified filling nozzle using rectangular filling channels and
Fig. 6
a longitudinal section through another, modified filling nozzle using longitudinally section conical filling channels.

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 in the figures with the same reference numerals.

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 in the Fig. 1 to 4 illustrated first filling nozzle 10 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 as meaning a liquid such as lemonade, milk or a food such as mustard, ketchup, yoghurt (optionally with solid constituents) or the like. In each case at least one filling nozzle 10 is used for filling a container, also not shown in the figures, which has, for example, a round or rectangular inner 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 a substantially cylindrically shaped, consisting of metal, in particular stainless steel housing 11, which has a connection flange 12 on the side facing the metering device, via which the connection flange 12 and the housing 11 with the metering device by means of connecting elements (screws). can be connected. The housing 11 has a concentric with a longitudinal axis 14 formed first recess 15, within which an unillustrated valve member is disposed longitudinally movable. Within the recess 15, this has different cross-sectional or diameter ranges, 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.From preferably flat bottom 17 of the recess 15, a plurality of filling channels 18, 19 extend, which extend parallel to the longitudinal axis 14, and which extend over a portion 21 of the length of the housing 11, wherein illustrated embodiment, the length of the portion 21 is about 30% of the total length of the housing 11 in the longitudinal direction. In the partial region 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. As in particular on the basis of Fig. 4 can be seen, the filling nozzle 10 has a centrally or concentrically to the longitudinal axis 14 formed first filling channel 18, whose cross-sectional area 23 is circular or round. At uniform angular intervals around the (central) filling channel 18, eight, respectively identically formed filling channels 19 with approximately triangular cross-sectional areas 24 are arranged by way of example. The size of the cross-sectional areas 23, 24 is in each case at least approximately the same size, such that dripping of filling material from the filling nozzle 10 due to adhesion forces is avoided. The arrangement of the approximately triangular filling channels 19 in cross-section is such that a base leg 26 of the cross-sectional surface 24 is arranged on an outer pitch diameter of the cross section of the filling nozzle 10, wherein side legs 27, 28 extending from the base leg 26 are aimed approximately at the longitudinal axis 14 are aligned to this. Between the base leg 26 and the two side legs 27, 28 and between the two side legs 27, 28, the cross-sectional area 24 has in each case rounded corner regions 29.

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 between the filling channels 18, 19 formed dividers 30 of the portion 21 of the filling nozzle 10, based on the total cross section of the filling nozzle 10, seen as low as possible Take cross-sectional area, since the cross section of the dividers 30 for filling the container is not available. The formation of at least the non-round filling channels 19 takes place, for example, and not by way of limitation, by 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 approximately constant in each case, ie. 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 3, the bottom view of a modified filling nozzle 10a is shown using filling channels 32 having a rectangular cross-sectional area 31 with rounded corner regions 33. The filling nozzle 10a has a rectangular outer contour 34 or a rectangular cross-section, wherein within the cross section of the filling nozzle 10a, a matrix of 4x4, each identically designed filling channels 32 is arranged. Also in the case of the filling nozzle 10a, the arrangement or design of the filling channels 32 and their cross-sectional surfaces 31 are designed such that the separating channels 32 separating dividers 35 are minimized with regard 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 a further, modified filling nozzle 10b is shown with filling channels 38, wherein it is essential that the filling channels 38, which are each formed identically in the illustrated embodiment, viewed in the longitudinal direction of the filling nozzle 10b are conical. The taper of the filling channels 38 is such that the cross-sectional area 37 of each filling channel 38 in the direction of the outlet 39 of the filling nozzle 10b, from which the product is discharged into the container to be filled, increases steadily.

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 many ways without deviating from the idea of the invention.

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).
  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 true EP2857319B1 (en) 2017-09-06
EP2857319B2 EP2857319B2 (en) 2020-12-02

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DE (1) DE102013220007A1 (en)

Citations (8)

* 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
FR2511971A1 (en) 1981-08-28 1983-03-04 Jagenberg Werke Ag OUTPUT TUBING FOR LIQUID FILLING DEVICES
EP0919472A1 (en) 1997-11-28 1999-06-02 Sasib Processing & Seaming Machinery S.p.a. Anti-drip nozzle in a filling machine for oily liquid products
US5909846A (en) 1994-09-28 1999-06-08 Tetra Laval Holdings & Finance S.A. Nozzle plate for filling liquid
FR2905121A1 (en) 2006-08-28 2008-02-29 Pack Realisations Sa Seat for mono-jet or multi-jet filling spout, has channels each including recess that is arranged in extension of channel and below upper part, where section of recess is greater than section of upper part
JP2010030613A (en) 2008-07-25 2010-02-12 Seiko Corp Filling nozzle of liquid filler
WO2015043854A1 (en) * 2013-09-30 2015-04-02 Sig Technology Ag Device for changing the jet shape of flowable products
WO2015043853A1 (en) 2013-09-30 2015-04-02 Sig Technology Ag Device for varying the jet form of flowable products

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19516924A1 (en) 1995-05-09 1996-11-14 Bosch Gmbh Robert Dosing device

Patent Citations (8)

* 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
FR2511971A1 (en) 1981-08-28 1983-03-04 Jagenberg Werke Ag OUTPUT TUBING FOR LIQUID FILLING DEVICES
US5909846A (en) 1994-09-28 1999-06-08 Tetra Laval Holdings & Finance S.A. Nozzle plate for filling liquid
EP0919472A1 (en) 1997-11-28 1999-06-02 Sasib Processing & Seaming Machinery S.p.a. Anti-drip nozzle in a filling machine for oily liquid products
FR2905121A1 (en) 2006-08-28 2008-02-29 Pack Realisations Sa Seat for mono-jet or multi-jet filling spout, has channels each including recess that is arranged in extension of channel and below upper part, where section of recess is greater than section of upper part
JP2010030613A (en) 2008-07-25 2010-02-12 Seiko Corp Filling nozzle of liquid filler
WO2015043854A1 (en) * 2013-09-30 2015-04-02 Sig Technology Ag Device for changing the jet shape of flowable products
WO2015043853A1 (en) 2013-09-30 2015-04-02 Sig Technology Ag Device for varying the jet form of flowable products

Also Published As

Publication number Publication date
DE102013220007A1 (en) 2015-04-02
EP2857319A1 (en) 2015-04-08
EP2857319B2 (en) 2020-12-02

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