EP3535211B1 - Cassette having a press roller - Google Patents
Cassette having a press roller Download PDFInfo
- Publication number
- EP3535211B1 EP3535211B1 EP17768025.3A EP17768025A EP3535211B1 EP 3535211 B1 EP3535211 B1 EP 3535211B1 EP 17768025 A EP17768025 A EP 17768025A EP 3535211 B1 EP3535211 B1 EP 3535211B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cassette
- running
- press roller
- pipe section
- cassette according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000002105 tongue Anatomy 0.000 claims description 7
- 229920002994 synthetic fiber Polymers 0.000 claims 3
- 230000008719 thickening Effects 0.000 claims 1
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 235000013305 food Nutrition 0.000 description 4
- 235000015067 sauces Nutrition 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 208000006558 Dental Calculus Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 235000021168 barbecue Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013410 fast food Nutrition 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 235000009561 snack bars Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/0001—Apparatus or devices for dispensing beverages on draught by squeezing collapsible or flexible storage containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/20—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using rotary pressing members, other than worms or screws, e.g. rollers, rings, discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
- B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
- B65D35/28—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for expelling contents
Definitions
- the present invention relates to a cassette consisting of two interconnectable cassette shells, between which a tubular bag to be emptied with an outlet opening is suspended and can be emptied largely without residues by means of a press roller, according to the preamble of claim 1.
- Cassettes of the type of interest here are suitable for dispensers in which one or more cassettes can be inserted and, if necessary, heated.
- these are dispensers for flowable foods that have to be dispensed in doses.
- Such dispensers are used in particular in snack bars and fast food restaurants.
- a dispensing device for the food supply field in which a Tubular bag with a viscous ingredient is attached or can be attached and has an auxiliary device with which the viscous ingredient located in the tubular bag can be continuously urged in the direction of the dispensing device on the tubular bag by mechanical pressure on the tubular bag.
- a press roller is disclosed here which rests horizontally on the tubular bag in the fluid dispenser and, by its own weight, is able to continuously urge the viscous content in the tubular bag to the dispenser on the tubular bag.
- this dispensing device has no cassettes and the tubular bag is not suspended but held in a clamped manner on the front cover of the dispenser housing.
- the press roller has a core which is rotatably mounted on an axis and onto which a hollow cylindrical jacket made of foamed, elastically compressible plastic is pushed.
- a hollow cylindrical jacket made of foamed, elastically compressible plastic is pushed.
- two toothed racks are arranged, which approach the front wall in an arc and then lead downwards parallel to it.
- At the end of the axis that penetrates the core there are swivel arms on both sides with guide rollers that lie directly or indirectly on the underside via a sliding block. The mobility of the press roller perpendicular to the rack is thus prevented.
- dispensers which have cassettes and in which tubular bags are held which can be emptied in the desired dosing quantities by means of a pump.
- cassettes do not have press rollers.
- the problem is that when the tubular bags are emptied, they deform and accordingly tend to form folds in which residual amounts of the useful content remain trapped. Accordingly, losses of up to 15% are quite common.
- Cassettes for dispenser devices for receiving tubular bags which also have a press roller are not previously known. Only cassettes made of metal or plastic enable continuous operation to be guaranteed. If the corresponding dispenser has more than one cassette, it is possible to continue dosing without interruption while a cassette is exchanged for a new cassette with a filled tubular bag. This avoids an interruption in operation.
- the press roller has, as already from the US 2002 / 0092879A1 known, a cylindrical, metal core with a hollow cylindrical jacket pulled onto it, made of foamed, elastically compressible plastic, the core being provided with a rotatably mounted gear wheel, whereby two parallel racks aligned and adapted to the gear wheels are available according to the size of the cassette .
- the present invention now creates for the first time a solution for cassettes for a dosing device, as described here, which is characterized in that the two gearwheels arranged in a rotationally fixed manner on the core of the press roller are each provided with a freely rotating impeller arranged thereon, which has a larger diameter than have the gears, and that in the cassette shell, which is opposite the cassette shell with the racks in the closed state, there are running tracks on which the freely rotating running wheels can roll.
- FIG. 1 an embodiment of a metering device, which is designated as a whole by 1, is shown in a perspective view.
- the metering device 1 has a stand 2 in which a collecting tray 3 is molded.
- the housing 4 of the metering device 1 is connected to the stand 2 by means of a column 7.
- the housing 4 is used to accommodate one or more cassettes 10 which can be inserted into the housing in an exchangeable manner.
- the housing 4 of the metering device 1 can be closed by means of a front cover 5.
- a display 6 with a corresponding control panel is arranged in the front cover 5. The desired dosage can be set via the control panel and then a dosage can be triggered using a corresponding control button.
- a cassette according to the invention is shown in the open state, with a tubular bag 20 held hanging therein.
- This tubular bag 20 lies in a cassette shell 12, which is also referred to below as a floor cassette shell.
- the other cassette shell 11 is correspondingly referred to as the cover cassette shell.
- the bottom cassette shell 12 is connected to the cover cassette shell 11 via a hinge connection.
- the two cassette shells do not necessarily have to be connected to one another via a hinge connection, but the two cassette shells 11, 12 can also simply be plugged together and then in this closed position are secured by means of closure means 13.
- these locking means 13 are hook-shaped handles which are articulated on the floor cassette shell 12 and, in the closed state of the cassette 10, partially overlap the ceiling cassette shell 11 and hook it in elastically.
- the tubular bag 20 is held in the floor cassette shell 12 by means of two clamps 15, 16.
- the clamp 15 is fixed, while the clamp 16 is designed to be displaceable. This allows tubular bags 20 of different sizes to be held.
- the tubular bag 20 is held slightly inclined in the cassette, which is conducive to emptying with as little loss as possible.
- An outlet nozzle 21 is firmly connected to the tubular bag 20 by means of a flange 22.
- a pump 23 is connected to the outlet connection 21.
- a pump holder 24 is formed on the bottom cassette shell 12, in which the pump 23 is held in a form-fitting and / or force-fitting manner.
- the pump has a plug-in drive shaft receptacle 25 in which the drive shaft engages when the cassette 10 is pushed into the dispenser device.
- the cassette 10 is preferably made of plastic.
- the two cassette shells 11 and 12 can be manufactured separately or, if the Hinge connection 14 is designed as a film hinge, the two cassette shells 11, 12 can be made in one piece.
- the actual drive of the pump is part of the dispensing device, but in the Figure 1 not apparent.
- the front cover 5 has an integrally formed insertion lock 8. This presses against the pump holder 24 and ensures that the inserted cassettes 10 are in the correct position in the housing 4 as soon as the front cover 5 is closed. It is also ensured that the non-visible drive shaft is correctly connected to the plug-in drive shaft receptacle 25 of the pump 23.
- Each cassette shell 11, 12 has a shell surface wall 18 which is delimited by a circumferential side wall 19. Toothed racks 26 are integrally formed on or in the shell surface wall 18. The racks run parallel and each in relative proximity to the longitudinal side walls which are part of the circumferential side wall 19. Depending on the design, the two parallel toothed racks 26 can be formed as depressions in the shell surface wall 18, preferably in the bottom cassette shell 12. This is shown in an enlarged partial section through the closed cassette 10 of FIG Fig. 4 .
- the cover cassette shell 11 accordingly has two parallel running tracks 27, each directly adjoining the longitudinal side walls of the circumferential side wall 19 Raceways 27 are raised with respect to the shell surface wall 18 on the inside of the cassette. Their meaning and effect will be discussed later.
- the press roll 30 is shown in detail in an exploded drawing.
- the press roller 30 has a cylindrical core made of metal, for example steel, brass, bronze or iron.
- a hollow cylindrical jacket made of foamed, elastically compressible plastic is drawn onto the cylindrical core 31.
- Such a jacket can for example consist of a foamed polyurethane.
- the hardness of the hollow cylindrical jacket is determined. If a material that is too soft is chosen for the hollow cylindrical jacket, the press roller cannot smooth out any hulls or folds of the tubular bag that may occur.
- the person skilled in the art will preferably choose a material with a Shore A hardness between 20 and 60 Shore A.
- the ends of the cylindrical core 31 protruding from the hollow cylindrical jacket have a roughened structure 33.
- a gear 34 is pushed onto these ends of the cylindrical core 31.
- This gear wheel 34 is part of a double-walled hub 35.
- the double-walled hub 35 consists of two concentric pipe sections which are connected to one another via a radially extending connecting wall 37. When the double-walled hub 35 is pushed onto the cylindrical core 31, this radial connecting wall 37 forms a stop surface for the hollow-cylindrical casing 32 .
- a plurality of spring tongues 39 are attached at regular intervals over the circumference.
- the ring gear which forms the gear 34, is formed in the outermost region of the outer pipe section 36b.
- the shape and size of the toothed ring are adapted to the toothed rack 26.
- the gear 34 is connected to the cylindrical core 31 in a rotationally fixed manner.
- the roughened structure 33 at the ends of the cylindrical core 31 increases its adhesion to the core.
- a bearing bush 40 is now rotatably mounted in the double-walled hub 35.
- the bearing bushing 40 has an inner diameter which is slightly larger than the outer diameter of the inner tube section 36a of the double-walled hub 35.
- the axial length of the bearing bushing 40 is longer than the inner tube section 36a of the double-walled hub 35.
- the bearing bushing 40 has a Flange which forms the impeller 41.
- a step-shaped shoulder 42 or an annular groove is formed in the bearing bush 40.
- the spring tongues 39 now engage in this annular groove or on this shoulder 42 when the bearing bush 40 is pushed onto the inner tubular section 36a.
- the impeller 41 is thus secured in the axial direction and, thanks to adequate play, the bearing bush 40 is freely rotating in the double-walled hub.
- the impeller 41 is formed at the end as a flange on the liner 40, and forms the freely rotating impeller 41 intervention.
- the press roller 30 is arranged so that the hollow cylindrical jacket 32 made of a resilient plastic would rest directly on the corresponding shell bottom wall 18 if there were no tubular bag in the cassette.
- the hollow cylindrical jacket 32 is compressed by at least the thickness of the two walls of the tubular bag. Since the press roller 30 rests on the one hand in one cassette shell with the gears 34 in the racks 26 and on the other hand the freely rotating running wheels on the raceways 27 in the opposite cassette shell, the position of the press roller is always secured. If a fold forms in the tubular bag 20 and this is not smoothed by the press roller 30, the press roller can nevertheless continue its way downwards in the stationary cassette under the action of gravitational force, with only the hollow cylindrical jacket 32 being correspondingly more compressed.
- the running surfaces can be formed as recessed grooves in which the appropriately designed running wheels run.
- the raceways as conical grooves and shape the wheels accordingly.
- the pump 23 is a plastic-made gear pump or vane pump, but of course other pumps can also be used.
- the pump it is also necessary with the pump In no way is it a pump that is electromechanically driven, but rather the pump can also be operated manually via an operating lever, for example. Such an embodiment then of course manages without external energy.
- the cassette according to the invention described here can be manufactured by injection molding with practically all necessary structural parts from one or two parts. Only the clamps to hold the tubular bag have to be used.
- the assembly of the press roller is also extremely simple, in that the hollow-cylindrical jacket only has to be pushed onto the cylindrical core 31 and then a double-walled hub can be attached on both sides and the bearing bush with the molded impellers can then be inserted into this.
- the minimum nominal dimension between the running surface 27 and the tooth base of the rack 26 on the same side of the closed cassette 10 is made larger than the minimum nominal dimension. This allows a certain amount of deflection without the engagement of the press roller from the racks being called into question. If, however, somewhat larger solids are present in the contents of the tubular bag 20 and the tubular bag also happens to form a fold here, the unrolling of the press roller is only guaranteed under the influence of its own weight.
Description
Die vorliegende Erfindung betrifft eine Kassette bestehend aus zwei miteinander verbindbaren Kassettenschalen, zwischen denen ein zu entleerender Schlauchbeutel mit einer Auslassöffnung hängend gehalten ist und mittels einer Presswalze weitgehend restenfrei entleerbar ist, gemäss dem Oberbegriff des Patentanspruches 1.The present invention relates to a cassette consisting of two interconnectable cassette shells, between which a tubular bag to be emptied with an outlet opening is suspended and can be emptied largely without residues by means of a press roller, according to the preamble of claim 1.
Kassetten der hier interessierender Art sind für die Dispenser geeignet, in denen ein oder mehrere Kassetten einschiebbar und gegebenenfalls beheizbar sind. Insbesondere handelt es sich hierbei um Dispenser für fliessfähige Lebensmittel die dosiert abgegeben werden müssen. Solche Dispenser werden insbesondere in Imbiss-Stuben und Fastfood-Restaurants verwendet.Cassettes of the type of interest here are suitable for dispensers in which one or more cassettes can be inserted and, if necessary, heated. In particular, these are dispensers for flowable foods that have to be dispensed in doses. Such dispensers are used in particular in snack bars and fast food restaurants.
Bereits aus der
Aus dem
Aus dem
Weiterer gattungsgemäßer Stand der Technik ist außerdem aus
Es ist folglich die Aufgabe der vorliegenden Erfindung eine Kassette der eingangs genannten Art mit einer Presswalze zu versehen, die die Faltenbildung im Schlauchbeutel weitgehend zu vermeiden vermag und eine absolut horizontale Ausrichtung der Presswalze in jeder Entleerungsposition gewährleistet und deren Funktion auch bei Bildung von Falten im Schlauchbeutel oder bei etwas grösseren Weichteilen im Beutelinhalt überwunden werden kann, ohne dass die Presswalze, die nur unter Krafteinwirkung seines Gewichtes sich abwärts bewegt, gestoppt wird. Die Presswalze besitzt, wie bereits aus der
Die vorliegende Erfindung schafft nun erstmals eine Lösung für Kassetten für eine Dosiervorrichtung, wie hier beschrieben, die sich dadurch auszeichnet, dass die beiden drehfest auf dem Kern der Presswalze angeordneten Zahnräder je mit einem daran angeordneten, freidrehenden Laufrad versehen sind, die einen grösseren Durchmesser als die Zahnräder aufweisen, und dass in der Kassettenschale, die im geschlossenen Zustand der Kassettenschale mit den Zahnstangen gegenüberliegt, Laufbahnen vorhanden sind auf denen die freidrehenden Laufräder rollen können.The present invention now creates for the first time a solution for cassettes for a dosing device, as described here, which is characterized in that the two gearwheels arranged in a rotationally fixed manner on the core of the press roller are each provided with a freely rotating impeller arranged thereon, which has a larger diameter than have the gears, and that in the cassette shell, which is opposite the cassette shell with the racks in the closed state, there are running tracks on which the freely rotating running wheels can roll.
Weitere vorteilhafte Ausgestaltungsformen des Erfindungsgegenstandes gehen aus den abhängigen Ansprüchen hervor und deren Bedeutung und Wirkungsweise sind in der nachfolgenden Beschreibung erläutert.Further advantageous embodiments of the subject matter of the invention emerge from the dependent claims and their meaning and mode of operation are explained in the following description.
In der anliegenden Zeichnung ist ein bevorzugtes Ausführungsbeispiel des Erfindungsgegenstandes dargestellt und nachfolgend beschrieben. Es zeigt:
- Fig. 1
- Ein Beispiel einer Dispenservorrichtung mit zwei darin einsetzbaren und auswechselbaren Kassetten in perspektivischer Ansicht.
- Fig. 2
- zeigt eine Kassette gemäss
Fig. 1 im geöffneten Zustand in einer Teilansicht mit darin eingesetztem Schlauchbeutel. - Fig. 3
- zeigt in einer perspektivischen Teilansicht die Presswalze, wobei das auf den Kern aufsteckbare Zahnrad und das damit zu verbindende Laufrad in einer Explosions-Zeichnung dargestellt ist.
- Fig. 4
- zeigt einen Teilschnitt durch die geschlossene Kassette zur Erläuterung der Führung der Presswalze in der Kassette.
- Fig. 1
- An example of a dispenser device with two insertable and exchangeable cassettes in a perspective view.
- Fig. 2
- shows a cassette according to
Fig. 1 in the open state in a partial view with a tubular bag inserted therein. - Fig. 3
- shows the press roll in a perspective partial view, the gear wheel that can be slipped onto the core and the impeller to be connected to it being shown in an exploded drawing.
- Fig. 4
- shows a partial section through the closed cassette to explain the guidance of the press roller in the cassette.
In der
In der
Der Schlauchbeutel 20 ist in der Bodenkassettenschale 12 mittels zwei Klemmen 15, 16 gehalten. Die Klemme 15 ist fest angeordnet, während die Klemme 16 verschiebbar gestaltet ist. Hierdurch lassen sich Schlauchbeutel 20 unterschiedlicher Grösse halten. Zudem ist der Schlauchbeutel 20 in der Kassette leicht geneigt gehalten, was der möglichst verlustfreien Entleerung förderlich ist.The
Am Schlauchbeutel 20 ist ein Auslaufstutzen 21 mittels einem Flansch 22 fest verbunden. Mit dem Auslaufstutzen 21 verbunden ist eine Pumpe 23 angeordnet. An der Bodenkassettenschale 12 ist eine Pumpenhalterung 24 angeformt in der die Pumpe 23 form- und/oder kraftschlüssig gehalten ist. Die Pumpe besitzt eine steckbare Antriebswellenaufnahme 25, in der die Antriebswelle, in eingeschobenen Zustand der Kassette 10 in die Dispenservorrichtung, eingreift.An
Die Kassette 10 ist bevorzugterweise aus Kunststoff gefertigt. Die beiden Kassettenschalen 11 und 12 können gesondert gefertigt werden oder, falls die Scharnierverbindung 14 als Filmscharnier ausgestaltet ist, können die beiden Kassettenschalen 11, 12 einstückig gefertigt sein. Der eigentliche Antrieb der Pumpe ist Teil der Dispenservorrichtung, jedoch in der
Jede Kassettenschale 11, 12 besitzt jeweils eine Schalenflächenwand 18 die von einer umlaufenden Seitenwand 19 begrenzt wird. Auf oder in der Schalenflächenwand 18 sind integral Zahnstangen 26 eingeformt. Die Zahnstangen verlaufen parallel und je in relativer Nähe der Längsseitenwänden, die Teil der umlaufenden Seitenwand 19 sind. Je nach Gestaltungsform können die beiden parallelen Zahnstangen 26 als Vertiefungen in der Schalenflächenwand 18 bevorzugterweise in der Bodenkassettenschale 12 eingeformt sein. Dies zeigt ein vergrösserter Teilschnitt durch die geschlossene Kassette 10 der
In der
Die aus dem hohlzylindrischen Mantel herausragenden Enden des zylindrischen Kernes 31 weist eine aufgeraute Struktur 33 auf. Auf diese Enden des zylindrischen Kernes 31 ist ein Zahnrad 34 aufgeschoben. Dieses Zahnrad 34 ist Teil einer doppelwandigen Nabe 35. Die doppelwandige Nabe 35 besteht aus zwei konzentrischen Rohrabschnitten die über eine radial verlaufende Verbindungswand 37 miteinander verbunden sind. Diese radiale Verbindungswand 37 bildet im aufgeschobenen Zustand der doppelwandigen Nabe 35 auf den zylindrischen Kern 31 eine Anschlagfläche für den hohlzylindrischen Mantel 32. Der innere konzentrische Rohrabschnitt besitzt eine Deckfläche 38, die im aufgeschobenen Zustand der doppelwandigen Nabe 35 als Anschlag für den zylindrischen Kern 31 bildet. In der Mantelwand des inneren Rohrabschnittes 36a sind im regelmässigen Abstand über dem Umfang verteilt mehrere Federzungen 39 angebracht. Im äussersten Bereich des äusseren Rohrabschnittes 36b ist der Zahnkranz angeformt, welcher das Zahnrad 34 bildet. Dieser Zahnkranz ist in Form und Grösse der Zahnstange 26 angepasst.The ends of the
Da die doppelwandige Nabe 35 mit Presssitz auf den zylindrischen Kern 31 der Presswalze 30 sitzt, ist das Zahnrad 34 drehfest mit dem zylindrischen Kern 31 verbunden. Die aufgeraute Struktur 33 an den Enden des zylindrischen Kernes 31 erhöht deren Haftung auf dem Kern.Since the double-
In der doppelwandigen Nabe 35 ist nun eine Lagerbuchse 40 drehbar gelagert. Die Lagerbuchse 40 weist einen Innendurchmesser auf, der geringfügig grösser ist als der Aussendurchmesser des inneren Rohrabschnittes 36a der doppelwandigen Nabe 35. Die axiale Länge der Lagerbuchse 40 ist länger als der innere Rohrabschnitt 36a der doppelwandigen Nabe 35. Am peripheren Ende besitzt die Lagerbuchse 40 einen Flansch, welcher das Laufrad 41 bildet. In der Lagerbuchse 40 ist ein stufenförmiger Absatz 42 oder eine Ringnut eingeformt. In dieser Ringnut bzw. an diesem Absatz 42 greifen nun die Federzungen 39 ein, wenn die Lagerbuchse 40 auf den inneren Rohrabschnitt 36a aufgeschoben ist. Damit ist das Laufrad 41 in axialer Richtung gesichert und dank eines angemessenen Spiels lagert die Lagerbuchse 40 in der doppelwandigen Nabe freidrehend. Das Laufrad 41 endständig als Flansch an der Laufbuchse 40 angeformt, und bildet das freidrehende Laufrad 41. Die Federzungen 39 weisen im Bereich ihrer freifedernden Enden entsprechende Rückhaltenasen 43 auf, die entweder in der jeweiligen ringförmigen Nut 42 oder hinter den stufenförmigen Absatz in der Laufbuchse 40 eingreifen.A bearing
Bei der Verwendung der erfindungsgemässen Kassette wird diese anfänglich geöffnet in die Position die die
Bisher verblieb in bekannten pressrollenfreien Kassetten einer Dosiervorrichtung im entleerten Schlauchbeutel 20 eine Restmenge von 5 - 12% des Inhalts. Bei Versuchen mit der erfindungsgemässen Kassette mit integrierter Presswalze 30 konnte die Restmenge im entleerten Schlauchbeutel auf 1 - 4% des ursprünglichen Inhaltes reduziert werden. Die Versuche wurden mit verschiedenen Flüssigkeiten mit einer Viskosität von 1 - 70000 Centipoids durchgeführt. Hierbei wurden auch Schlauchbeutel verwendet, die als Inhalt Lebensmittel mit Feststoffanteilen aufwiesen. Solche Lebensmittel sind beispielsweise Saucen mit gekochten Gemüsepartikel, wie sie beispielsweise als Tatarsauce oder Barbecuesauce bekannt sind. Gerade solche Saucen bewirken durch ihre nicht vorhandene Homogenität dazu, dass die Schlauchbeutel zu mehr Faltenbildung neigen und sich somit vermehrt Einschlüsse bilden.Up to now, in known cassettes of a dosing device without pressure rollers, a residual amount of 5-12% of the content remained in the emptied
Neben der hier im Detail beschriebenen Ausführungsform sind Abweichungen der Gestaltung im Rahmen des Schutzumfanges dieses Schutzrechtes durchaus möglich. Beispielsweise können die Laufflächen als vertiefte Rillen gebildet sein, in denen die entsprechend gestalteten Laufräder laufen. Hierbei würde man dann die Laufbahnen als konische Nuten gestalten und die Laufräder entsprechend formen. Bei einer solchen Ausgestaltungsform ist es praktisch nicht möglich die Presswalze so auf den Zahnstangen aufzulegen, dass die linke Seite im Vergleich zur rechten Seite auch nur um einen Zahn versetzt ist, da nun die Laufräder in den nutenförmigen Laufbahnen klemmen.In addition to the embodiment described in detail here, deviations in the design are entirely possible within the scope of protection of this property right. For example, the running surfaces can be formed as recessed grooves in which the appropriately designed running wheels run. Here one would then design the raceways as conical grooves and shape the wheels accordingly. With such an embodiment, it is practically impossible to place the press roller on the racks in such a way that the left side is only offset by one tooth compared to the right side, since the running wheels now jam in the groove-shaped raceways.
In der hier dargestellten Ausführungsform handelt es sich bei der Pumpe 23 um eine kunststoffgefertigte Zahnradpumpe oder Flügelpumpe doch selbstverständlich kommen auch andere Pumpen in Frage. Insbesondere braucht es sich bei der Pumpe auch keineswegs um eine Pumpe zu handeln die elektromechanisch angetrieben ist sondern die Pumpe kann beispielsweise auch über einen Betätigungshebel von Hand betätig bar sein. Eine solche Ausführungsform kommt dann selbstverständlich ohne Fremdenergie aus.In the embodiment shown here, the
Der grosse Vorteil dieser erfindungsgemässen Lösung besteht darin, dass es hier praktisch unmöglich ist, dass bei der Entleerung des Schlauchbeutels irgendwelche Lufteinschüsse in den Schlauchbeutel gelangen können. Insbesondere bei der hier dargestellten Ausführungsform, bei dem der Schlauchbeutel bereits mit einem angeformten Auslaufstutzen versehen ist und dieser Auslaufstutzen gleichzeitig mit einer Einwegpumpe aus Kunststoff mitgeliefert wird. So ist es praktisch auch unmöglich den Inhalt zu kontaminieren, wie dies sonst beim Aufstechen eines Schlauchbeutels geschehen kann. Hierbei weist eine solche Einwegpumpe zudem eine integralelastomeres Ventil auf, welches den Ausgang der Pumpe nach jeder Dosierung automatisch verschliesst.The great advantage of this solution according to the invention is that it is practically impossible here for any air pockets to get into the tubular bag when the tubular bag is emptied. In particular in the embodiment shown here, in which the tubular bag is already provided with an integrally formed outlet nozzle and this outlet nozzle is supplied with a disposable plastic pump at the same time. It is practically impossible to contaminate the contents, as can otherwise happen when a tubular bag is pierced. Such a disposable pump also has an integral elastomeric valve which automatically closes the outlet of the pump after each dose.
Die hier beschriebene erfindungsgemässe Kassette lässt sich praktisch mit allen erforderlichen Konstruktionsteilen aus ein oder zwei Teilen spritzgusstechnisch fertigen. Es müssen nur noch die Klemmen zur Halterung des Schlauchbeutels eingesetzt werden. Auch die Montage der Presswalze ist äusserst einfach, in dem lediglich auf dem zylindrischen Kern 31 der hohlzylindrische Mantel aufgeschoben werden muss und danach beidseitig je eine doppelwandige Nabe aufgesteckt werden kann und in diese sodann die Lagerbuchse mit den angeformten Laufrädern eingesteckt werden können.The cassette according to the invention described here can be manufactured by injection molding with practically all necessary structural parts from one or two parts. Only the clamps to hold the tubular bag have to be used. The assembly of the press roller is also extremely simple, in that the hollow-cylindrical jacket only has to be pushed onto the
Dank der exakten Führung der Presswalze 30, die einerseits mit den Zahnräder 34 auf den Zahnstangen 26 laufen und andererseits mit den Laufrädern 41 auf den Laufflächen, wobei die Zahnräder bzw. die Pressrolle in eine Richtung drehen und die Laufräder in Gegenrichtung drehen. Dank dieser Konstruktion wird ein reibungsarmes aber exaktes, verkanntfreies Laufen der Presswalze garantiert.Thanks to the exact guidance of the
Es ist aber von Vorteil, wenn man das minimale Sollmass zwischen der Lauffläche 27 und dem Zahngrund der Zahnstange 26, auf derselben Seite der geschlossenen Kassette 10 grösser gestaltet als das Minimalsollmass. Dies erlaubt ein gewisses Mass an Auslenkung, ohne dass der Eingriff der Pressrolle aus den Zahnstangen in Frage gestellt ist. Sind aber etwas grössere Festanteile im Inhalt des Schlauchbeutels 20 vorhanden und der Schlauchbeutel bildet hier zufällig auch noch eine Falte, so ist das Abrollen der Presswalze lediglich unter Einwirkung seines Eigengewichtes noch gewährleistet.However, it is advantageous if the minimum nominal dimension between the running
- 1.1.
- DosiervorrichtungDosing device
- 2.2.
- StandfussStand
- 3.3.
- AuffangschaleDrip tray
- 4.4th
- Gehäusecasing
- 5.5.
- FrontdeckelFront cover
- 6.6th
- Display und BedienungspanelDisplay and control panel
- 7.7th
- Säulepillar
- 8.8th.
- EinschubsicherungSlide-in protection
- 10.10.
- Kassettecassette
- 11.11.
- Kassettenschale, DeckelkassettenschaleCassette tray, lid cassette tray
- 12.12.
- Kassettenschale, BodenkassettenschaleCassette shell, floor cassette shell
- 13.13.
- VerschlussmittelClosure means
- 14.14th
- Scharnierverbindung der beiden KassettenschalenHinge connection of the two cassette shells
- 15.15th
- Klemme fest angeordnetTerminal firmly arranged
- 16.16.
- Klemme verschiebbar angeordnetClamp arranged to be displaceable
- 17.17th
- PumpenhalterungPump bracket
- 18.18th
- BodenflächenwandFloor panel wall
- 19.19th
- Umlaufende SeitenwandCircumferential side wall
- 20.20th
- SchlauchbeutelTubular bag
- 21.21st
- AuslaufstutzenOutlet nozzle
- 22.22nd
- Flanschflange
- 23.23.
- Pumpepump
- 25.25th
- Steckbare AntriebswellenaufnahmePlug-in drive shaft mount
- 26.26th
- ZahnstangenRacks
- 27.27.
- Laufbahncareer
- 30.30th
- PresswalzePress roll
- 31.31.
- Zylindrischer KernCylindrical core
- 32.32.
- Hohlzylindrischer MantelHollow cylindrical jacket
- 33.33.
- Aufgerauhte StrukturRoughened structure
- 34.34.
- Zahnradgear
- 35.35.
- Doppelwandige NabeDouble-walled hub
- 36a36a
-
Konzentrische Rohrabschnitte der Nabe 35Concentric tube sections of the
hub 35 - 36b36b
-
konzentrische Rohrabschnitte der Nabe 35concentric tube sections of the
hub 35 - 37.37.
- Radiale VerbindungswandRadial connecting wall
- 38.38.
- DeckflächeTop surface
- 39.39.
- FederzungenSpring tongues
- 40.40.
- LagerbuchseBearing bush
- 41.41.
- Laufrad, Flansch der LagerbuchseImpeller, flange of the bearing bush
- 42.42.
- Ringnut oder stufenförmiger AbsatzRing groove or stepped shoulder
- 43.43.
-
Rückhaltenasen der Federzungen 39Retaining tabs of the
spring tongues 39
Claims (15)
- Cassette (10) consisting of two cassette shells (11, 12) which are connectable with each other,
wherein a tubular bag (20) that is to be emptied is held and suspended between the cassette shells (11, 12) and is emptiable in a largely residue-free manner by means of a press roller (30),
the press roller (30) being implemented of a cylindrical metallic core (31) with a hollow-cylindrical envelope (32) mounted thereon that is made of an elastically compressible foamed synthetic material, and
the core (31) being furnished on both sides with respectively one gear wheel (34) which is mounted in a rotationally fixed manner, and
that two parallel toothed racks (26), which are oriented and adapted to the gear wheels (34), are arranged in one of the two cassette shells (11, 12) on its inner face,
characterised in that the gear wheels (34), which are arranged on the core (31) of the press roller (30) in a rotationally fixed manner, are each furnished with a freely rotating running wheel (41), the running wheels (41) having a greater diameter than the gear wheels, and that
there are running tracks (27) for the running wheels (41) in the cassette shell (11) that is in the closed state situated opposite the cassette shell (12) with the toothed racks (26). - Cassette according to claim 1,
characterised in that each running wheel (41) has a running surface extending beyond the teeth of the corresponding gear wheel (34). - Cassette according to claim 1,
characterised in that the gear wheel (34) is part of a double-walled hub (35) that is implemented of two concentric pipe sections (36a, 36b) which are fixedly connected with each other via a radially extending connecting wall (37), wherein the inner pipe section (36a) has an inner diameter that is adapted to the diameter of the core (31) of the press roller (30) such that the core (31) of the press roller (30) fits via press-fit into the inner pipe section (36a) of the double-walled hub while a crown gear forming the gear wheel (34) is moulded onto the outer pipe section of the double-walled hub (35). - Cassette according to claim 3,
characterised in that the inner pipe section (36a) of the double-walled hub (35) comprises an end wall which at least partially covers the pipe section and which forms a cover surface (38) that forms an abutment for the core (31) in a mounting direction. - Cassette according to claim 3,
characterised in that the inner pipe section (36a) is longer than the outer pipe section (36b). - Cassette according to claim 3,
characterised in that the inner pipe section (36a) of the double-walled hub (35) comprises a plurality of radially outward-springing tongues (39), each tongue (39) comprising a radially outward-oriented retaining lug (43). - Cassette according to claim 4,
characterised in that the two running wheels (41) are respectively implemented of a pipe-shaped bearing bushing (40) which the running wheels (41) are integrally moulded upon in end positions as flanges, wherein the inner diameter of the bearing bushing is adapted to the outer diameter of the inner pipe section (36a) of the double-walled hub (35) such that the bearing bushing runs rotatably on the hub. - Cassette according to claims 3 and 6,
characterised in that the bearing bushing (40) comprises an annular groove or a step-like offset (42) which the springing tongues (39) engage in. - Cassette according to claim 1,
characterised in that the two cassette shells (11, 12) are made of a synthetic material and the toothed racks (26) are integrally moulded on one of the two cassette shells (11, 12). - Cassette according to claim 9,
characterised in that running tracks (27) are integrally moulded in the cassette shell (11) which in the closed state is situated opposite the cassette shell (12) with the toothed racks (26). - Cassette according to claim 10,
characterised in that the running tracks (27) are formed as track grooves in which the running wheels (41) travel. - Cassette according to claim 1,
characterised in that the two cassette shells (11, 12) are connected to each other in an articulated manner via a hinge connection (14). - Cassette according to claim 12,
characterised in that the cassette shells (11, 12), which are made of a synthetic material, are connected to each other via a film hinge. - Cassette according to claim 10,
characterised in that the cassette shells (11, 12) respectively comprise a bottom surface wall (18) and a circumferential side wall (19), and that the toothed racks (26) and/or the running tracks (27) are realized as corresponding thickenings or narrowings of the bottom surface wall (18). - Cassette (10) according to claim 1,
characterised in that the minimum nominal dimension between the running track (27) and the tooth root of the toothed rack (26), on the same side of the closed cassette (10), maximally exceeds by half the height of a tooth of the toothed rack.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016221605.8A DE102016221605A1 (en) | 2016-11-04 | 2016-11-04 | Cassette with press roller |
PCT/EP2017/071778 WO2018082826A1 (en) | 2016-11-04 | 2017-08-30 | Cassette having a press roller |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3535211A1 EP3535211A1 (en) | 2019-09-11 |
EP3535211B1 true EP3535211B1 (en) | 2020-12-23 |
Family
ID=59887209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17768025.3A Active EP3535211B1 (en) | 2016-11-04 | 2017-08-30 | Cassette having a press roller |
Country Status (5)
Country | Link |
---|---|
US (1) | US10662051B2 (en) |
EP (1) | EP3535211B1 (en) |
CN (1) | CN109923058B (en) |
DE (1) | DE102016221605A1 (en) |
WO (1) | WO2018082826A1 (en) |
Family Cites Families (22)
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US2545342A (en) * | 1948-06-18 | 1951-03-13 | Choquette Henry Arthur Romeo | Toilet article |
US5199610A (en) | 1989-05-11 | 1993-04-06 | Mario Gagliardi | Motorized tooth-paste dispenser |
US5692645A (en) * | 1995-06-22 | 1997-12-02 | Choon Woo Ryu | Flexible tube dispensing apparatus |
US5868282A (en) * | 1995-07-28 | 1999-02-09 | Ravindra J. Waikar | Toothpaste dispenser with an adaptor base |
US6196420B1 (en) | 1999-09-09 | 2001-03-06 | Nestec S.A. | Pumpless dispenser for viscous food products |
US7147134B2 (en) | 2001-02-20 | 2006-12-12 | Nestec S.A. | Dispensing device and method for rapidly heating and delivering a flowable product |
US6659309B2 (en) * | 2001-12-05 | 2003-12-09 | International Dispensing Corporation | Portion control dispenser |
US7086428B2 (en) * | 2003-05-01 | 2006-08-08 | Lancer Partnership, Ltd. | Evacuation system |
JP2006525203A (en) * | 2003-05-01 | 2006-11-09 | ランサー・パートナーシップ・リミテッド | Discharge system |
DE102005021632A1 (en) * | 2005-05-06 | 2006-11-09 | Matzel, Manfred, Dr. | donor |
DK2155572T3 (en) * | 2007-05-07 | 2012-05-29 | Marek Szymanski | DEVICE FOR DISTRIBUTION OF LIQUID |
BRPI0813012A2 (en) | 2007-06-22 | 2014-12-23 | Rich Products Corp | COVER DISPENSER |
EP2782485B1 (en) * | 2011-09-09 | 2018-10-24 | Fountain Master, LLC | Beverage maker |
CN202508420U (en) * | 2012-04-12 | 2012-10-31 | 王军 | Packaging bag for semi-fluid paste |
US8678236B2 (en) * | 2012-07-03 | 2014-03-25 | Rich Products Corporation | Simple serve topping dispenser |
US10420355B2 (en) * | 2013-11-13 | 2019-09-24 | TRV Dispense, LLC | Soft food and beverage dispenser |
DE102014203224A1 (en) * | 2014-02-24 | 2015-08-27 | Robert Bosch Gmbh | Fluid dispenser for the food service area |
JP6183275B2 (en) * | 2014-03-31 | 2017-08-23 | ブラザー工業株式会社 | Cartridge case |
DE102015208966A1 (en) * | 2015-05-15 | 2016-11-17 | Robert Bosch Gmbh | Fluid dispenser for the food service area |
JP6493132B2 (en) * | 2015-09-30 | 2019-04-03 | ブラザー工業株式会社 | Cartridge case |
US10543652B2 (en) * | 2016-03-03 | 2020-01-28 | Fresh Press LLC | Press |
DE102017212949A1 (en) * | 2017-07-27 | 2019-01-31 | Robert Bosch Gmbh | Dispenser cassette for refrigerated storage and dispensing of liquid or semiliquid food and dispenser device for use with such dispenser cassette |
-
2016
- 2016-11-04 DE DE102016221605.8A patent/DE102016221605A1/en not_active Withdrawn
-
2017
- 2017-08-30 WO PCT/EP2017/071778 patent/WO2018082826A1/en unknown
- 2017-08-30 US US16/346,472 patent/US10662051B2/en active Active
- 2017-08-30 CN CN201780068239.4A patent/CN109923058B/en active Active
- 2017-08-30 EP EP17768025.3A patent/EP3535211B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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US20190276295A1 (en) | 2019-09-12 |
CN109923058A (en) | 2019-06-21 |
EP3535211A1 (en) | 2019-09-11 |
WO2018082826A1 (en) | 2018-05-11 |
CN109923058B (en) | 2021-04-02 |
US10662051B2 (en) | 2020-05-26 |
DE102016221605A1 (en) | 2018-05-09 |
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