EP3867028B1 - Interleaver, slicer and method of using the interleaver in the slicer - Google Patents

Interleaver, slicer and method of using the interleaver in the slicer Download PDF

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Publication number
EP3867028B1
EP3867028B1 EP19786523.1A EP19786523A EP3867028B1 EP 3867028 B1 EP3867028 B1 EP 3867028B1 EP 19786523 A EP19786523 A EP 19786523A EP 3867028 B1 EP3867028 B1 EP 3867028B1
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EP
European Patent Office
Prior art keywords
separating
cleaning
gas
cleaning gas
unit
Prior art date
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Active
Application number
EP19786523.1A
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German (de)
French (fr)
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EP3867028A1 (en
Inventor
Winfried Hörberg
Alois Bochtler
Albert Hartmann
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GEA Food Solutions Germany GmbH
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GEA Food Solutions Germany GmbH
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Publication date
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Publication of EP3867028A1 publication Critical patent/EP3867028A1/en
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Publication of EP3867028B1 publication Critical patent/EP3867028B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1854—Means for removing cut-out material or waste by non mechanical means by air under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B26D7/325—Means for performing other operations combined with cutting for conveying or stacking cut product stacking the cut product individually separated by separator elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0025—Sterilizing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D2210/00—Machines or methods used for cutting special materials
    • B26D2210/02—Machines or methods used for cutting special materials for cutting food products, e.g. food slicers

Definitions

  • the present invention is based on a separator sheet feed unit for a slicing device for slicing food products, in particular high-performance slicers, the separator sheet feed unit having an exit unit with an exit slot through which separator sheets are output in the direction of the slicing device,
  • Slicing devices for food products which are also referred to as slicing devices, slicers or high-performance slicers, typically have a rotating blade in the form of a circular blade or sickle blade, with which product slices are cut off from a food product.
  • the food product is usually what is known as a food bar, for example a cheese, ham or meat bar, which is fed to the cutting plane of the slicing device by means of a product feed unit.
  • the product slices severed from the food product in the cutting plane fall one after the other in a portioning area onto a portioning conveyor. In this portioning area, the product slices are combined into individual portions from several product slices.
  • the product slices are at least partially arranged one above the other, in particular stacked or shingled.
  • separator sheet feed unit which is also commonly referred to as intermediate sheet feeders, sheet feeders or interleavers.
  • the separating sheets are often provided in the form of a strip material on a roll.
  • the divider sheets are unrolled from the roll and separated by the divider sheet feed unit and then shot into the portioning area through an outlet slot of the divider sheet feed unit in such a way that each divider sheet rests on a product slice that has already been placed in the portioning area before another product slice falls onto the product slice that has already been placed.
  • the additional product slice therefore falls onto the separating sheet and does not come into direct contact with the previously deposited product slice.
  • Typical separator sheet feed units and slicing devices of the generic type are known, for example, from the publications WO 2018 115 178 A2 , EP 3 141 359 A1 and EP 2 942 166 A1 known.
  • the separator sheet feeds are always arranged in the immediate vicinity of the blade of the slicing device.
  • food particles and shavings are always produced in addition to the severed product slices, which are whirled around by the rotating movement of the knife and fall down.
  • the separator sheet feed unit which is arranged immediately adjacent and often directly below the blade, is contaminated by these particles and chips.
  • the object is achieved with a separator sheet feed unit for a slicing device for slicing food products, in particular high-performance slicers, the separator sheet feed unit having an outlet unit with an outlet slot through which separator sheets are output in the direction of the slicing device, and the separator sheet feed unit having a cleaning unit for blowing out the outlet slot with a Includes cleaning gas.
  • the separator sheet feed unit according to the invention has the advantage over the prior art that contamination and the resulting blockage of the outlet slot, for example by the blade of the slicing device Food particles and shavings that are separated and whirled around are prevented by the outlet slot being blown clear by the cleaning gas. Any particles or chips located in the area of the outlet slot are thereby removed from and from the outlet slot.
  • the service life of the separator sheet feed unit and the associated slicing device can thus be significantly increased.
  • the cleaning unit is configured for continuously blowing out the outlet slot with the cleaning gas. Due to the continuous blowing out, especially during the cutting and portioning process of the slicing device, an accumulation of even the smallest particles and chips is effectively avoided. It is conceivable that the continuous blowing out takes place with compressed air, which is directed in the direction of the outlet slot under reduced, ie comparatively low, pressure and volume flow. Alternatively, an antiseptic gas could also be used as the cleaning gas.
  • the cleaning gas preferably comes from a gas source for providing the cleaning gas, which includes, for example, a compressed air reservoir in the form of a compressed air tank or a compressor.
  • the cleaning unit is configured for clocked blowing out of the outlet slot with a further cleaning gas or with the cleaning gas under increased pressure.
  • a clocked blowing out is implemented, which takes place, for example, under greater pressure and/or an increased volume flow.
  • a more intensive cleaning process is thus achieved from time to time.
  • the cycled blowing out of the cleaning slot does not take place with compressed air, or not solely with compressed air, but with the use of an antiseptic gas in order to reduce the formation of germs.
  • the cycled cleaning can take place at specific time intervals, whenever a product change is pending and/or as required, i.e. when contamination is detected.
  • the cleaning unit preferably includes a further gas source for providing the further cleaning gas.
  • the cleaning gas then preferably comprises compressed air and the further cleaning gas comprises the antiseptic gas.
  • the antiseptic gas can include, for example, hydrogen peroxide (H 2 O 2 ), formaldehyde, chlorine dioxide, chlorine, ozone, carbon dioxide and/or carbon monoxide.
  • H 2 O 2 hydrogen peroxide
  • formaldehyde formaldehyde
  • chlorine dioxide chlorine
  • chlorine ozone
  • carbon dioxide ozone
  • carbon dioxide ozone
  • carbon dioxide Preferably is an antiseptic gas in the context of the present invention, a gas which exerts a biocidal or biostatic effect on microorganisms and thus causes a disinfection effect.
  • the cleaning unit has at least one outlet nozzle directed in the direction of the outlet slot for generating a gas flow in the area of the outlet slot and/or comprises a line system for conducting the cleaning gas, which has a plurality of outlet openings in the area of the outlet slot having. It is therefore preferably not necessary to dismantle the separator sheet feed unit in order to clean the separator sheet feed unit.
  • Another object of the present invention is a slicing device for slicing food products, in particular a high-performance slicer, having a knife which separates food slices from at least one food product, which are arranged at least partially overlapping to form a portion of several food slices in a portioning area, with between at least two food slices a separating sheet is provided, the slicing device for providing the separating sheet having the separating sheet feed unit according to the invention.
  • Another object of the present invention is a method for operating the separator sheet feed unit according to the invention, wherein in one working mode separator sheets are output through the outlet slot of the outlet unit in the direction of a portioning area of the slicing device, in which slices separated by the slicing device are arranged at least partially overlapping, and wherein the outlet slot is blown out with a cleaning gas during the working mode by means of a cleaning unit.
  • the cleaning slot is thus preferably always blown out at least when the separator sheet feed unit is in the operating mode. This advantageously prevents contamination and the resultant blockage of the outlet slot, for example due to food particles and shavings separated and swirling around by the blade of the slicing device, by the outlet slot being blown clear by the cleaning gas in the working mode. Any particles or chips located in the area of the outlet slot are thereby removed from and from the outlet slot.
  • the outlet slot is continuously supplied with the cleaning gas, in particular compressed air or an antiseptic gas, in a continuous cleaning mode is blown out.
  • the cleaning gas in particular compressed air or an antiseptic gas
  • Continuous blowing out in the context of the present invention means in particular that blowing out always takes place when separator sheets are output in the portioning area and/or the blade of the slicing device and/or a product feed unit of the slicing device and/or a conveyor belt in the portioning area on which the Food slices are portioned, is in operation.
  • the outlet slot is blown out with the cleaning gas at a pressure that is higher than in the continuous cleaning mode.
  • a continuous blowing out in which the outlet slot is blown out under lower pressure and/or volume flow
  • a clocked blowing out referred to as a disinfection cycle
  • the time intervals are preferably variable and can be based, for example, on the cycle of the slicing device or on the case of need.
  • Compressed air is preferably used both for continuous blowing out and for cyclical blowing out.
  • the outlet slot is blown out with a further cleaning gas during a clocked disinfection cycle, with the cleaning gas preferably comprising compressed air and the further cleaning gas comprising an antiseptic gas. Disinfection of the separating sheet feed unit is thus achieved in an advantageous manner when blowing out in cycles.
  • the antiseptic gas can include, for example, hydrogen peroxide (H 2 O 2 ), formaldehyde, chlorine dioxide, chlorine, ozone, carbon dioxide and/or carbon monoxide.
  • An antiseptic gas within the meaning of the present invention is preferably a gas which exerts a biocidal or biostatic effect on microorganisms and thus causes a disinfecting effect.
  • Another object of the present invention is a method for operating a slicing device, in which the knife is used to separate food slices from a food product and in which the food slices are arranged at least partially overlapping to form a portion of several food slices in the portioning area, with between at least two Food slices a separator sheet is arranged with the inventive method for operating the separator sheet feed unit according to the invention.
  • FIG 1 Illustrated is a slicing apparatus 20 for slicing food products having a divider sheet feed unit 10 according to an exemplary first embodiment of the present invention.
  • the slicing device 20 has a rotating blade 21 , a product feed 24 and a portioning device 25 .
  • the product feed 24 is used to feed one or more food products (also referred to as food bars 23 ), for example a cheese, sausage or ham bar, to the knife 21 , as a result of which individual food slices 22 are separated from the food bar 23 .
  • the knife 21 comprises a rotating circular knife or sickle knife.
  • the food slices 22 then fall in a portioning area onto a conveyor belt of the portioning device 25, which is controlled in such a way that stacks 26 of at least partially overlapping food slices 22 are formed on the conveyor belt.
  • the separator sheet feed unit 10 comprises a roll of tape 11 on which at least one rolled-up band of separator sheets 5 is provided.
  • the belt comprises an interleaver strip, from which individual separating sheets 5, so-called interleavers, are cut off one after the other in order to arrange them between the partially stacked food slices 22 and to prevent the food slices from sticking together.
  • the tape is guided by the free-running tape roller 11 or one driven by a further drive (not shown) as part of a transport movement 3 over two deflection rollers 4 in the present example to a deceleration unit 1 .
  • the person skilled in the art understands that no deflection rollers 4, only one deflection roller or more than two deflection rollers 4 could also be arranged between the tape roller 11 and the deceleration unit 1.
  • Behind the delay unit 1 the tape of the slicing device 20 is fed.
  • the individual separating sheets 5 are separated from the band by means of a separate separating device and shot through an outlet slot 30 of the separating sheet feed unit 10 between the food slices 22 cut off by a blade 21 of the slicing device 20 .
  • the drive includes, in particular, a motor-driven roller over which the strip of separating material 5 is guided. It is conceivable that an air flow is introduced into the cutting area, via which the respective cut off and intermittently injected sheet nestles against the front of the just cut off food slice by means of the Venturi effect and then, when portioning the just cut off food slice, is then placed under it on the stack slice of food lies.
  • the delay unit 1 serves to delay the transport movement 3 of the tape caused by the drive along the transport direction in order to increase the transport resistance of the tape. In this way it is ensured that the tape always remains under tension when unrolling from the tape roll 11 and the tape does not jump from the tape roll 11 or the deflection rollers 4, bend, tear or jam. In particular, what is achieved is that only as much separating material 5 is unrolled from the roll of tape 11 as the slicing device 20 requires for arrangement between the food slices 22 .
  • the separator sheet feed unit 10 now has a cleaning unit 30 which is provided for blowing out the outlet slot 31 with a cleaning gas.
  • the cleaning gas preferably comprises compressed air, with which the outlet slot is blown out continuously, i.e. while the separating sheets 5 are being conveyed and the slicing device 20 is in operation.
  • the cleaning unit 30 has a gas source 32 in the form of a pressure tank in which the compressed air is provided.
  • the pressure tank is connected via a fluid line to an outlet nozzle 33, from which the cleaning gas flows out in the direction of the outlet slot 31 during the working mode.
  • the gas source 32 could also be realized in the form of a compressor.
  • the cleaning gas does not include compressed air but an antiseptic gas.
  • the present slicing device 20 is designed as a multi-track slicing device 20, so that a plurality of blocks of food 23 are cut in parallel and portioned at the same time.
  • slicing device 20 comprises at least a plurality of product feeds 24 arranged in parallel, in particular conveyor belts arranged in parallel and driven independently of one another, and optionally also a plurality of portioning devices 25 arranged in parallel.
  • the plurality of food blocks 23 is preferably cut with just one knife 21 .
  • Divider sheet feed unit 10 correspondingly comprises a multi-track unwinding device, so that individual divider sheets 5 can be arranged between stacked food slices 22 of each parallel stack.
  • the multi-lane Unrolling device for separator sheet feed unit 10 has, in particular, a plurality of tape rolls 11 arranged in parallel to provide a plurality of strips of release material, a corresponding plurality of drives arranged in parallel, a corresponding plurality of separating devices arranged in parallel and/or a corresponding plurality of delay units 1 arranged in parallel. It is conceivable that the separating sheet feed unit 10 has one or more outlet slots 31 which are each blown out with a cleaning unit 30 or which are blown out with just one common cleaning unit 30 .
  • FIG 2 Illustrated is a slicing apparatus 20 for slicing food products having a divider sheet feed unit 10 according to an exemplary second embodiment of the present invention.
  • the second embodiment is essentially the same as in figure 1 illustrated first embodiment, so that all explanations related to the first embodiment also apply to the second embodiment.
  • the cleaning unit 30 has a further gas source 34 in which an antiseptic gas is provided.
  • the additional gas source 34 also includes a pump 35.
  • the exit nozzle 33 is permanently connected to the gas source 32 so that the exit slot 31 is continuously blown out with compressed air from the gas source 32 (also referred to as continuous cleaning mode).
  • the additional gas source 34 is temporarily and clocked connected to the outlet slot 31 via a 2/2 valve 36, whereby the outlet slot 31 is additionally blown out with antiseptic gas (also referred to as additional cleaning gas) to disinfect the same in a clocked disinfection cycle.
  • the antiseptic gas can include, for example, hydrogen peroxide (H 2 O 2 ), formaldehyde, chlorine dioxide, chlorine, ozone, carbon dioxide and/or carbon monoxide.
  • the clocked disinfection cycle also works with a higher pressure and/or a higher volume flow than in the continuous cleaning mode. It is also conceivable that compressed air can be used instead of the antiseptic gas in the clocked disinfection mode.
  • continuous blowing out in which the outlet slot is blown out with compressed air under lower pressure and/or volume flow
  • clocked blowing out in which the outlet slot is preferably under higher pressure and/or at certain time intervals or volume flow is blown out with the antiseptic gas.
  • the time intervals are preferably variable and can be based, for example, on the cycle of the slicing device or on the case of need.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • General Preparation And Processing Of Foods (AREA)

Description

Stand der TechnikState of the art

Die vorliegende Erfindung geht aus von Trennblattzuführeinheit für eine Aufschneidevorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere Hochleistungsslicer, wobei die Trennblattzuführeinheit eine Austrittseinheit mit einem Austrittschlitz aufweist, durch welchen Trennblätter in Richtung der Aufschneidevorrichtung ausgegeben werden,The present invention is based on a separator sheet feed unit for a slicing device for slicing food products, in particular high-performance slicers, the separator sheet feed unit having an exit unit with an exit slot through which separator sheets are output in the direction of the slicing device,

Solche Trennblattzuführeinheiten sind aus dem Stand der Technik bekannt.Such separator sheet feed units are known from the prior art.

Aufschneidevorrichtungen für Lebensmittelprodukte, die auch als Aufschneide Vorrichtung, Slicer oder Hochleistungsslicer bezeichnet werden, weisen typischerweise ein rotierendes Messer in Form eines Kreismessers oder Sichelmessers auf, mit welchem Produktscheiben von einem Lebensmittelprodukt abgetrennt werden. Das Lebensmittelprodukt ist dabei üblicherweise ein sogenannter Lebensmittelriegel, beispielsweise ein Käse-, Schinken- oder Fleischriegel, der mittels einer Produktzuführungseinheit der Schneidebene der Aufschneidevorrichtung zugeführt wird. Die von dem Lebensmittelprodukt in der Schneidebene abgetrennten Produktscheiben fallen nacheinander in einem Portionierbereich auf ein Portionsband. Die Produktscheiben werden auf diesem Portionierbereich zu Einzelportionen aus mehreren Produktscheiben zusammengefügt. Die Produktscheiben sind dabei zumindest teilweise übereinander angeordnet, insbesondere gestapelt oder geschindelt.Slicing devices for food products, which are also referred to as slicing devices, slicers or high-performance slicers, typically have a rotating blade in the form of a circular blade or sickle blade, with which product slices are cut off from a food product. The food product is usually what is known as a food bar, for example a cheese, ham or meat bar, which is fed to the cutting plane of the slicing device by means of a product feed unit. The product slices severed from the food product in the cutting plane fall one after the other in a portioning area onto a portioning conveyor. In this portioning area, the product slices are combined into individual portions from several product slices. The product slices are at least partially arranged one above the other, in particular stacked or shingled.

Damit benachbarte Produktscheiben nicht in ihrem Überlappungsbereich aneinander festkleben, werden zwischen zwei benachbarte Produktscheiben immer genau ein Trennblatt eingefügt, das von der Trennblattzuführeinheit, die gemeinhin auch als Zwischenblattzuführungen, Blatteinleger oder Interleaver bezeichnet werden, bereitgestellt wird.So that adjacent product slices do not stick to one another in their overlapping area, exactly one separator sheet is always inserted between two adjacent product slices, which is provided by the separator sheet feed unit, which is also commonly referred to as intermediate sheet feeders, sheet feeders or interleavers.

Die Trennblätter werden hierfür häufig in Form eines Bandmaterials auf einer Rolle bereitgestellt. Die Trennblätter werden mittels der Trennblattzuführeinheit von der Rolle abgerollt und abgetrennt und sodann in den Portionierbereich durch einen Austrittsschlitz der Trennblattzuführeinheit derart eingeschossen, dass ein jedes Trennblatt jeweils auf einer im Portionierbereich bereits abgelegten Produktscheibe aufliegt bevor eine weitere Produktscheibe auf die bereits abgelegte Produktscheibe fällt. Die weitere Produktscheibe fällt daher auf das Trennblatt und gelangt nicht in unmittelbaren Kontakt mit der zuvor abgelegten Produktscheibe.For this purpose, the separating sheets are often provided in the form of a strip material on a roll. The divider sheets are unrolled from the roll and separated by the divider sheet feed unit and then shot into the portioning area through an outlet slot of the divider sheet feed unit in such a way that each divider sheet rests on a product slice that has already been placed in the portioning area before another product slice falls onto the product slice that has already been placed. The additional product slice therefore falls onto the separating sheet and does not come into direct contact with the previously deposited product slice.

Typische gattungsgemäße Trennblattzuführeinheiten und Aufschneidevorrichtungen sind beispielsweise aus den Druckschriften WO 2018 115 178 A2 , EP 3 141 359 A1 und EP 2 942 166 A1 bekannt.Typical separator sheet feed units and slicing devices of the generic type are known, for example, from the publications WO 2018 115 178 A2 , EP 3 141 359 A1 and EP 2 942 166 A1 known.

Die Trennblattzuführungen sind dabei stets in unmittelbarer Nachbarschaft zum Messer der Aufschneidevorrichtung angeordnet. Beim Aufschneiden des Lebensmittelproduktes entstehen neben den abgetrennten Produktscheiben jedoch immer auch Lebensmittelpartikel und -späne, die durch die Rotationsbewegung des Messers herumgewirbelt werden und herunterfallen. Dadurch besteht regelmäßig das Problem, dass die Trennblattzuführeinheit, die unmittelbar benachbart und häufig direkt unterhalb des Messers angeordnet ist, durch diese Partikel und Späne verunreinigt wird.The separator sheet feeds are always arranged in the immediate vicinity of the blade of the slicing device. When slicing the food product, food particles and shavings are always produced in addition to the severed product slices, which are whirled around by the rotating movement of the knife and fall down. As a result, there is regularly the problem that the separator sheet feed unit, which is arranged immediately adjacent and often directly below the blade, is contaminated by these particles and chips.

Offenbarung der ErfindungDisclosure of Invention

Es ist eine Aufgabe der vorliegenden Erfindung eine Trennblattzuführeinheit für eine Aufschneidevorrichtung bereitzustellen, welche die vorstehend genannten Nachteile des Standes der Technik nicht aufweist und darüber hinaus kostengünstig zu implementieren ist.It is an object of the present invention to provide a separator sheet feed unit for a slicing device which does not have the above-mentioned disadvantages of the prior art and, moreover, is inexpensive to implement.

Die Aufgabe wird gelöst mit einer Trennblattzuführeinheit für eine Aufschneidevorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere Hochleistungsslicer, wobei die Trennblattzuführeinheit eine Austrittseinheit mit einem Austrittschlitz aufweist, durch welchen Trennblätter in Richtung der Aufschneidevorrichtung ausgegeben werden, und wobei die Trennblattzuführeinheit eine Reinigungseinheit zum Ausblasen des Austrittsschlitzes mit einem Reinigungsgas umfasst.The object is achieved with a separator sheet feed unit for a slicing device for slicing food products, in particular high-performance slicers, the separator sheet feed unit having an outlet unit with an outlet slot through which separator sheets are output in the direction of the slicing device, and the separator sheet feed unit having a cleaning unit for blowing out the outlet slot with a Includes cleaning gas.

Die erfindungsgemäße Trennblattzuführeinheit hat gegenüber dem Stand der Technik den Vorteil, dass eine Verschmutzung und eine dadurch hervorgerufene Verstopfung des Austrittsschlitzes beispielsweise durch von dem Messer der Aufschneidevorrichtung abgetrennte und herumwirbelnde Lebensmittelpartikel und -späne verhindert wird, indem der Austrittsschlitz durch das Reinigungsgas freigeblasen wird. Etwaige im Bereich des Austrittsschlitzes befindliche Partikel oder Späne werden dadurch aus und von dem Austrittsschlitz entfernt. Die Standzeiten der Trennblattzuführeinheit und der zugehörigen Aufschneidevorrichtung können somit erheblich erhöht werden.The separator sheet feed unit according to the invention has the advantage over the prior art that contamination and the resulting blockage of the outlet slot, for example by the blade of the slicing device Food particles and shavings that are separated and whirled around are prevented by the outlet slot being blown clear by the cleaning gas. Any particles or chips located in the area of the outlet slot are thereby removed from and from the outlet slot. The service life of the separator sheet feed unit and the associated slicing device can thus be significantly increased.

Gemäß einer bevorzugten Ausführungsform der vorliegenden Erfindung ist vorgesehen, dass die Reinigungseinheit zum kontinuierlichen Ausblasen des Austrittsschlitzes mit dem Reinigungsgas konfiguriert ist. Durch das kontinuierliche Ausblasen, insbesondere während des Schneid- und Portionierprozesses der Aufschneidevorrichtung, wird eine Ansammlung auch kleinster Partikel und Späne wirksam vermieden. Denkbar ist, dass das kontinuierliche Ausblasen mit Druckluft erfolgt, die unter reduziertem also vergleichsweise niedrigem Druck und Volumenstrom in Richtung des Austrittschlitzes gelenkt wird. Alternativ könnte als Reinigungsgas auch ein antiseptisches Gas verwendet werden. Das Reinigungsgas stammt vorzugsweise aus einer Gasquelle zur Bereitstellung des Reinigungsgases, welches beispielsweise ein Druckluftreservoir in Form eines Druckluftbehälters oder einen Kompressor umfasst.According to a preferred embodiment of the present invention, it is provided that the cleaning unit is configured for continuously blowing out the outlet slot with the cleaning gas. Due to the continuous blowing out, especially during the cutting and portioning process of the slicing device, an accumulation of even the smallest particles and chips is effectively avoided. It is conceivable that the continuous blowing out takes place with compressed air, which is directed in the direction of the outlet slot under reduced, ie comparatively low, pressure and volume flow. Alternatively, an antiseptic gas could also be used as the cleaning gas. The cleaning gas preferably comes from a gas source for providing the cleaning gas, which includes, for example, a compressed air reservoir in the form of a compressed air tank or a compressor.

Gemäß einer bevorzugten Ausführungsform der vorliegenden Erfindung ist vorgesehen, dass die Reinigungseinheit zum getakteten Ausblasen des Austrittsschlitzes mit einem weiteren Reinigungsgas oder mi dem Reinigungsgas unter erhöhten Druck konfiguriert ist. Zusätzlich zum kontinuierlichen Ausblasen des Austrittsschlitzes mit Druckluft wird somit ein getaktetes Ausblasen implementiert, welches beispielsweise unter größerem Druck und/oder einem erhöhten Volumenstrom erfolgt. Neben dem kontinuierlichen Reinigen wird somit von Zeit zu Zeit ein intensiverer Reinigungsvorgang erzielt. Denkbar ist auch, dass das getaktete Ausblasen des Reinigungsschlitzes nicht oder nicht allein mit Druckluft, sondern unter Verwendung eines antiseptischen Gases erfolgt, um die Keimbildung zu reduzieren. Die getaktete Reinigung kann nach konkreten Zeitabständen, immer wenn ein Produktwechsel ansteht und/oder nach Bedarf, also wenn eine Verunreinigung detektiert wird, erfolgen.According to a preferred embodiment of the present invention, it is provided that the cleaning unit is configured for clocked blowing out of the outlet slot with a further cleaning gas or with the cleaning gas under increased pressure. In addition to the continuous blowing out of the outlet slot with compressed air, a clocked blowing out is implemented, which takes place, for example, under greater pressure and/or an increased volume flow. In addition to the continuous cleaning, a more intensive cleaning process is thus achieved from time to time. It is also conceivable that the cycled blowing out of the cleaning slot does not take place with compressed air, or not solely with compressed air, but with the use of an antiseptic gas in order to reduce the formation of germs. The cycled cleaning can take place at specific time intervals, whenever a product change is pending and/or as required, i.e. when contamination is detected.

Damit beim getakteten Ausblasen auch antiseptisches Gas zum Einsatz kommen kann, umfasst die Reinigungseinheit vorzugsweise eine weitere Gasquelle zur Bereitstellung des weiteren Reinigungsgases. Das Reinigungsgas umfasst dann vorzugsweise Druckluft und das weitere Reinigungsgas das antiseptisches Gas. Das antiseptische Gase kann beispielsweise Wasserstoffperoxid (H2O2), Formaldehyd, Chlordioxid, Chlor, Ozon, Kohlendioxid und/oder Kohlenmonoxid umfassen. Vorzugsweise ist ein antiseptisches Gas im Sinne der vorliegenden Erfindung ein Gas, welches eine biozide oder biostatische Wirkung auf Mikroorganismen ausübt und somit eine Desinfektionswirkung hervorruft.So that antiseptic gas can also be used during the clocked blowing out, the cleaning unit preferably includes a further gas source for providing the further cleaning gas. The cleaning gas then preferably comprises compressed air and the further cleaning gas comprises the antiseptic gas. The antiseptic gas can include, for example, hydrogen peroxide (H 2 O 2 ), formaldehyde, chlorine dioxide, chlorine, ozone, carbon dioxide and/or carbon monoxide. Preferably is an antiseptic gas in the context of the present invention, a gas which exerts a biocidal or biostatic effect on microorganisms and thus causes a disinfection effect.

Gemäß einer bevorzugten Ausführungsform der vorliegenden Erfindung ist vorgesehen, dass die Reinigungseinheit wenigstens eine in Richtung des Austrittsschlitzes gerichtete Austrittsdüse zur Erzeugung eines Gasstromes im Bereich des Austrittsschlitzes aufweist und/oder ein Leitungssystem zur Durchleitung des Reinigungsgases umfasst, welches im Bereich des Austrittsschlitzes eine Mehrzahl von Austrittsöffnungen aufweist. Vorzugsweise wird zum Reinigen der Trennblattzuführeinheit somit keine Demontage der Trennblattzuführeinheit notwendig.According to a preferred embodiment of the present invention, it is provided that the cleaning unit has at least one outlet nozzle directed in the direction of the outlet slot for generating a gas flow in the area of the outlet slot and/or comprises a line system for conducting the cleaning gas, which has a plurality of outlet openings in the area of the outlet slot having. It is therefore preferably not necessary to dismantle the separator sheet feed unit in order to clean the separator sheet feed unit.

Ein weiterer Gegenstand der vorliegenden Erfindung ist eine Aufschneidevorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere Hochleistungsslicer, aufweisend ein Messer, welches Lebensmittelscheiben von wenigstens einem Lebensmittelprodukt abtrennt, die zumindest teilweise überlappend zu einer Portion von mehreren Lebensmittelscheiben in einem Portionierbereich angeordnet werden, wobei zwischen wenigstens zwei Lebensmittelscheiben ein Trennblatt vorgesehen ist, wobei die Aufschneidevorrichtung zur Bereitstellung des Trennblattes die erfindungsgemäße Trennblattzuführeinheit aufweist.Another object of the present invention is a slicing device for slicing food products, in particular a high-performance slicer, having a knife which separates food slices from at least one food product, which are arranged at least partially overlapping to form a portion of several food slices in a portioning area, with between at least two food slices a separating sheet is provided, the slicing device for providing the separating sheet having the separating sheet feed unit according to the invention.

Ein weiterer Gegenstand der vorliegenden Erfindung ist ein Verfahren zum Betrieb der erfindungsgemäßen Trennblattzuführeinheit, wobei in einem Arbeitsmodus Trennblätter durch den Austrittsschlitz der Austrittseinheit in Richtung eines Portionierbereichs der Aufschneidevorrichtung, in welchem von der Aufschneidevorrichtung abgetrennten Scheiben zumindest teilweise überlappend angeordnet werden, ausgegeben werden, und wobei der Austrittsschlitz während des Arbeitsmodus mittels einer Reinigungseinheit mit einem Reinigungsgas ausgeblasen wird. Vorzugsweise wird der Reinigungsschlitz somit immer zumindest dann ausgeblasen, wenn sich die Trennblattzuführeinheit im Arbeitsmodus befindet. Vorteilhafterweise wird hierdurch eine Verschmutzung und eine dadurch hervorgerufene Verstopfung des Austrittsschlitzes beispielsweise durch von dem Messer der Aufschneidevorrichtung abgetrennte und herumwirbelnde Lebensmittelpartikel und -späne verhindert, indem der Austrittsschlitz im Arbeitsmodus durch das Reinigungsgas freigeblasen wird. Etwaige im Bereich des Austrittsschlitzes befindliche Partikel oder Späne werden dadurch aus und von dem Austrittsschlitz entfernt.Another object of the present invention is a method for operating the separator sheet feed unit according to the invention, wherein in one working mode separator sheets are output through the outlet slot of the outlet unit in the direction of a portioning area of the slicing device, in which slices separated by the slicing device are arranged at least partially overlapping, and wherein the outlet slot is blown out with a cleaning gas during the working mode by means of a cleaning unit. The cleaning slot is thus preferably always blown out at least when the separator sheet feed unit is in the operating mode. This advantageously prevents contamination and the resultant blockage of the outlet slot, for example due to food particles and shavings separated and swirling around by the blade of the slicing device, by the outlet slot being blown clear by the cleaning gas in the working mode. Any particles or chips located in the area of the outlet slot are thereby removed from and from the outlet slot.

Gemäß einer bevorzugten Ausführungsform der vorliegenden Erfindung ist vorgesehen, dass während des Arbeitsmodus der Austrittsschlitz kontinuierlich mit dem Reinigungsgas, insbesondere Druckluft oder einem antiseptischen Gas, in einem kontinuierlichen Reinigungsmodus ausgeblasen wird. Durch das kontinuierliche Ausblasen des Reinigungsschlitzes wird jedwede Ansammlung von Lebensmittelpartikeln und -spänen verhindert. Ein kontinuierliches Ausblasen im Sinne der vorliegenden Erfindung bedeutet insbesondere, dass ein Ausblasen immer dann stattfindet, wenn Trennblätter in den Portionierbereich ausgegeben werden und/oder das Messer der Aufschneidevorrichtung und/oder eine Produktzuführeinheit der Aufschneidevorrichtung und/oder ein Förderband im Portionierbereich, auf welchem die Lebensmittelscheiben portioniert werden, in Betrieb befindlich ist.According to a preferred embodiment of the present invention it is provided that during the working mode the outlet slot is continuously supplied with the cleaning gas, in particular compressed air or an antiseptic gas, in a continuous cleaning mode is blown out. By continuously blowing out the cleaning slot, any accumulation of food particles and shavings is prevented. Continuous blowing out in the context of the present invention means in particular that blowing out always takes place when separator sheets are output in the portioning area and/or the blade of the slicing device and/or a product feed unit of the slicing device and/or a conveyor belt in the portioning area on which the Food slices are portioned, is in operation.

Gemäß einer weiteren bevorzugten Ausführungsform der vorliegenden Erfindung ist vorgesehen, dass während eines getakteten Desinfektionszyklus der Austrittsschlitz mit dem Reinigungsgas unter einem gegenüber dem kontinuierlichen Reinigungsmodus erhöhten Druck ausgeblasen wird. Vorzugsweise gibt es also ein kontinuierliches Ausblasen, bei welchem der Austrittsschlitz unter geringerem Druck und/oder Volumenstrom ausgeblasen wird, und zusätzlich ein getaktetes Ausblasen (als Desinfektionszyklus bezeichnet), bei welchem der Austrittsschlitz in bestimmten Zeitabständen mit höherem Druck und/oder Volumenstrom (als während des kontinuierlichen Ausblasens) ausgeblasen wird. Die Zeitabstände sind vorzugsweise variabel und können sich beispielsweise am Takt der Aufschneidevorrichtung oder am Bedarfsfall orientieren. Sowohl beim kontinuierlichen Ausblasen als auch beim getakteten Ausblasen wird vorzugsweise Druckluft verwendet.According to a further preferred embodiment of the present invention, it is provided that during a clocked disinfection cycle the outlet slot is blown out with the cleaning gas at a pressure that is higher than in the continuous cleaning mode. There is therefore preferably a continuous blowing out, in which the outlet slot is blown out under lower pressure and/or volume flow, and additionally a clocked blowing out (referred to as a disinfection cycle), in which the outlet slot is cleaned at certain time intervals with a higher pressure and/or volume flow (than during of continuous blowing out) is blown out. The time intervals are preferably variable and can be based, for example, on the cycle of the slicing device or on the case of need. Compressed air is preferably used both for continuous blowing out and for cyclical blowing out.

Gemäß einer alternativen bevorzugten Ausführungsform der vorliegenden Erfindung ist vorgesehen, dass während eines getakteten Desinfektionszyklus der Austrittsschlitz mit einem weiteren Reinigungsgas ausgeblasen wird, wobei das Reinigungsgas vorzugsweise Druckluft und das weitere Reinigungsgas ein antiseptisches Gas umfasst. In vorteilhafter Weise wird somit beim getakteten Ausblasen eine Desinfektion der Trennblattzuführeinheit erzielt. Das antiseptische Gase kann beispielsweise Wasserstoffperoxid (H2O2), Formaldehyd, Chlordioxid, Chlor, Ozon, Kohlendioxid und/oder Kohlenmonoxid umfassen. Vorzugsweise ist ein antiseptisches Gas im Sinne der vorliegenden Erfindung ein Gas, welches eine biozide oder biostatische Wirkung auf Mikroorganismen ausübt und somit eine Desinfektionswirkung hervorruft.According to an alternative preferred embodiment of the present invention, provision is made for the outlet slot to be blown out with a further cleaning gas during a clocked disinfection cycle, with the cleaning gas preferably comprising compressed air and the further cleaning gas comprising an antiseptic gas. Disinfection of the separating sheet feed unit is thus achieved in an advantageous manner when blowing out in cycles. The antiseptic gas can include, for example, hydrogen peroxide (H 2 O 2 ), formaldehyde, chlorine dioxide, chlorine, ozone, carbon dioxide and/or carbon monoxide. An antiseptic gas within the meaning of the present invention is preferably a gas which exerts a biocidal or biostatic effect on microorganisms and thus causes a disinfecting effect.

Ein weiterer Gegenstand der vorliegenden Erfindung ist ein Verfahren zum Betrieb einer Aufschneidevorrichtung, wobei mittels des Messers Lebensmittelscheiben von einem Lebensmittelprodukt abgetrennt werden und wobei die Lebensmittelscheiben zumindest teilweise überlappend zu einer Portion von mehreren Lebensmittelscheiben im Portionierbereich angeordnet werden, wobei zwischen wenigstens zwei Lebensmittelscheiben ein Trennblatt mit dem erfindungsgemäßen Verfahren zum Betrieb der erfindungsgemäßen Trennblattzuführeinheit angeordnet wird.Another object of the present invention is a method for operating a slicing device, in which the knife is used to separate food slices from a food product and in which the food slices are arranged at least partially overlapping to form a portion of several food slices in the portioning area, with between at least two Food slices a separator sheet is arranged with the inventive method for operating the separator sheet feed unit according to the invention.

Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus den Zeichnungen, sowie aus der nachfolgenden Beschreibung von bevorzugten Ausführungsformen anhand der Zeichnungen. Die Zeichnungen illustrieren dabei lediglich beispielhafte Ausführungsformen der Erfindung.Further details, features and advantages of the invention result from the drawings and from the following description of preferred embodiments with reference to the drawings. The drawings merely illustrate exemplary embodiments of the invention.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Figur 1figure 1
zeigt eine schematische Seitenansicht einer Aufschneidevorrichtung mit einer Trennblattzuführeinheit gemäß einer beispielhaften ersten Ausführungsform der vorliegenden Erfindung.12 shows a schematic side view of a slicing device with a separator sheet feeding unit according to an exemplary first embodiment of the present invention.
Figur 2figure 2
zeigt eine schematische Seitenansicht einer Aufschneidevorrichtung mit einer Trennblattzuführeinheit gemäß einer beispielhaften zweiten Ausführungsform der vorliegenden Erfindung.12 shows a schematic side view of a slicing device with a separator sheet feeding unit according to an exemplary second embodiment of the present invention.
Ausführungsformen der ErfindungEmbodiments of the invention

In den beiden Figuren sind gleiche Teile stets mit den gleichen Bezugszeichen versehen und werden daher in der Regel auch jeweils nur einmal benannt bzw. erwähnt.In the two figures, the same parts are always provided with the same reference symbols and are therefore usually only named or mentioned once.

In Figur 1 ist eine Aufschneidevorrichtung 20 zum Aufschneiden von Lebensmittelprodukten, die eine Trennblattzuführeinheit 10 gemäß einer beispielhaften ersten Ausführungsform der vorliegenden Erfindung aufweist, dargestellt.In figure 1 Illustrated is a slicing apparatus 20 for slicing food products having a divider sheet feed unit 10 according to an exemplary first embodiment of the present invention.

Die Aufschneidevorrichtung 20 weist ein rotierendes Messer 21, eine Produktzuführung 24 und eine Portioniereinrichtung 25 auf. Die Produktzuführung 24 dient dazu, dem Messer 21 einen oder mehrere Lebensmittelprodukte (auch als Lebensmittelriegel 23 bezeichnet), beispielsweise einen Käse-, Wurst- oder Schinkenriegel, zuzuführen, wodurch einzelne Lebensmittelscheiben 22 von dem Lebensmittelriegel 23 abgetrennt werden. Das Messer 21 umfasst ein rotierendes Kreismesser oder Sichelmesser. Die Lebensmittelscheiben 22 fallen sodann in einem Portionierbereich auf ein Transportband der Portioniereinrichtung 25, welches derart gesteuert wird, dass auf dem Transportband Stapel 26 von zumindest teilweise einander überlappender Lebensmittelscheiben 22 gebildet werden.The slicing device 20 has a rotating blade 21 , a product feed 24 and a portioning device 25 . The product feed 24 is used to feed one or more food products (also referred to as food bars 23 ), for example a cheese, sausage or ham bar, to the knife 21 , as a result of which individual food slices 22 are separated from the food bar 23 . The knife 21 comprises a rotating circular knife or sickle knife. The food slices 22 then fall in a portioning area onto a conveyor belt of the portioning device 25, which is controlled in such a way that stacks 26 of at least partially overlapping food slices 22 are formed on the conveyor belt.

In den Portionierbereich der Portioniereinrichtung 25 bzw. der Aufschneidevorrichtung 20 werden mit Hilfe der Trennblattzuführeinheit 10 einzelne Trennblätter 5 derart eingeschossen, dass zwischen den teilweise übereinander gestapelten Lebensmittelscheiben 22 jeweils ein Trennblatt 5 angeordnet ist, wodurch die gestapelten Lebensmittelscheiben 22 voneinander getrennt sind und nicht aneinanderhaften.In the portioning area of the portioning device 25 or the slicing device 20, individual separating sheets 5 are shot with the aid of the separating sheet feed unit 10 in such a way that a separating sheet 5 is arranged between the partially stacked food slices 22, as a result of which the stacked food slices 22 are separated from one another and do not stick to one another.

Die Trennblattzuführeinheit 10 umfasst eine Bandrolle 11, auf welcher wenigstens ein aufgerolltes Band aus Trennblättern 5 bereitgestellt wird. Das Band umfasst einen Interleaverstreifen, von welchem nacheinander einzelne Trennblätter 5, sogenannte Interleaver abgeschnitten werden, um sie zwischen den teilweise übereinandergeschichteten Lebensmittelscheiben 22 anzuordnen und ein Aneinanderhaften der Lebensmittelscheiben zu unterbinden.The separator sheet feed unit 10 comprises a roll of tape 11 on which at least one rolled-up band of separator sheets 5 is provided. The belt comprises an interleaver strip, from which individual separating sheets 5, so-called interleavers, are cut off one after the other in order to arrange them between the partially stacked food slices 22 and to prevent the food slices from sticking together.

Das Band wird von der freilaufenden oder durch einen weiteren Antrieb (nicht dargestellt) angetriebenen Bandrolle 11 im Rahmen einer Transportbewegung 3 über im vorliegenden Beispiel zwei Umlenkrollen 4 zu einer Verzögerungseinheit 1 geführt. Der Fachmann versteht, dass zwischen der Bandrolle 11 und der Verzögerungseinheit 1 auch keine, nur eine oder mehr als zwei Umlenkrollen 4 angeordnet sein könnten. Hinter der Verzögerungseinheit 1 wird das Band der Aufschneidevorrichtung 20 zugeführt. Von dem Band werden dabei die einzelnen Trennblätter 5 mittels einer separaten Abtrenneinrichtung abgetrennt und durch einen Austrittsschlitz 30 der Trennblattzuführeinheit 10 zwischen die von einem Messer 21 der Aufschneidevorrichtung 20 abgeschnittenen Lebensmittelscheiben 22 eingeschossen.The tape is guided by the free-running tape roller 11 or one driven by a further drive (not shown) as part of a transport movement 3 over two deflection rollers 4 in the present example to a deceleration unit 1 . The person skilled in the art understands that no deflection rollers 4, only one deflection roller or more than two deflection rollers 4 could also be arranged between the tape roller 11 and the deceleration unit 1. Behind the delay unit 1, the tape of the slicing device 20 is fed. The individual separating sheets 5 are separated from the band by means of a separate separating device and shot through an outlet slot 30 of the separating sheet feed unit 10 between the food slices 22 cut off by a blade 21 of the slicing device 20 .

Zwischen der Abtrenneinrichtung und der Verzögerungseinheit ist ein Antrieb (nicht dargestellt), welcher das Trennmaterial 5 intermittierend in Richtung der Aufschneidevorrichtung 20 fördert und dabei von der Bandrolle 11 abrollt. Der Antrieb umfasst insbesondere eine motorisch angetriebene Rolle, über welche das Band aus Trennmaterial 5 geführt wird. Denkbar ist, dass ein Luftstrom in den Schneidebereich eingebracht wird, über welchen sich das jeweilige abgeschnittene und intermittierend eingeschossene Blatt mittels des Venturi-Effekts an die Vorderseite der gerade abgeschnittene Lebensmittelscheibe schmiegt und anschließend beim Portionieren der gerade abgeschnittenen Lebensmittelscheibe unter dieser sodann auf dem Stapel abgelegten Lebensmittelscheibe liegt.Between the separating device and the delay unit there is a drive (not shown), which intermittently conveys the separating material 5 in the direction of the slicing device 20 and in the process unrolls it from the belt roll 11 . The drive includes, in particular, a motor-driven roller over which the strip of separating material 5 is guided. It is conceivable that an air flow is introduced into the cutting area, via which the respective cut off and intermittently injected sheet nestles against the front of the just cut off food slice by means of the Venturi effect and then, when portioning the just cut off food slice, is then placed under it on the stack slice of food lies.

Die Verzögerungseinheit 1 dient dazu, die von dem Antrieb hervorgerufene Transportbewegung 3 des Bandes entlang der Transportrichtung zu verzögern, um den Transportwiderstand des Bandes zu erhöhen. Auf diese Weise wird sichergestellt, dass das Band beim Abrollen von der Bandrolle 11 stets unter Spannung bleibt und das Band nicht von der Bandrolle 11 oder den Umlenkrollen 4 springt, knickt, reißt oder staut. Insbesondere wird erreicht, dass lediglich so viel Trennmaterial 5 von der Bandrolle 11 abgerollt wird, wie die Aufschneidevorrichtung 20 zur Anordnung zwischen den Lebensmittelscheiben 22 benötigt.The delay unit 1 serves to delay the transport movement 3 of the tape caused by the drive along the transport direction in order to increase the transport resistance of the tape. In this way it is ensured that the tape always remains under tension when unrolling from the tape roll 11 and the tape does not jump from the tape roll 11 or the deflection rollers 4, bend, tear or jam. In particular, what is achieved is that only as much separating material 5 is unrolled from the roll of tape 11 as the slicing device 20 requires for arrangement between the food slices 22 .

Die erfindungsgemäße Trennblattzuführeinheit 10 weist nun eine Reinigungseinheit 30 auf, welche zum Ausblasen des Austrittsschlitzes 31 mit einem Reinigungsgas vorgesehen ist. Das Reinigungsgas umfasst dabei vorzugsweise Druckluft, mit welcher der Austrittsschlitz kontinuierlich, d.h. also während der Förderung der Trennblätter 5 und des Betriebs der Aufschneidevorrichtung 20, ausgeblasen wird.The separator sheet feed unit 10 according to the invention now has a cleaning unit 30 which is provided for blowing out the outlet slot 31 with a cleaning gas. The cleaning gas preferably comprises compressed air, with which the outlet slot is blown out continuously, i.e. while the separating sheets 5 are being conveyed and the slicing device 20 is in operation.

Die Reinigungseinheit 30 weist hierfür eine Gasquelle 32 in Form eines Drucktanks auf, in welchem die Druckluft bereitgestellt wird. Der Drucktank ist über eine Fluidleitung mit einer Austrittsdüse 33 verbunden, aus welcher das Reinigungsgas während des Arbeitsmodus in Richtung des Austrittsschlitzes 31 ausströmt Vorzugsweise weist die Reinigungseinheit 30 eine Mehrzahl solcher Austrittsdüsen 33 auf, so dass der Austrittsschlitz 31 insbesondere von mehreren Seiten ausgeblasen wird.For this purpose, the cleaning unit 30 has a gas source 32 in the form of a pressure tank in which the compressed air is provided. The pressure tank is connected via a fluid line to an outlet nozzle 33, from which the cleaning gas flows out in the direction of the outlet slot 31 during the working mode.

Alternativ könnte die Gasquelle 32 auch in Form eines Kompressors realisiert sein. Ferner ist alternativ denkbar, dass das Reinigungsgas keine Druckluft, sondern ein antiseptisches Gas umfasst.Alternatively, the gas source 32 could also be realized in the form of a compressor. Furthermore, it is alternatively conceivable that the cleaning gas does not include compressed air but an antiseptic gas.

Ferner ist denkbar, dass die vorliegende Aufschneidevorrichtung 20 als mehrspurige Aufschneidevorrichtung 20 ausgebildet ist, so dass gleichzeitig mehrere Lebensmittelriegel 23 parallel geschnitten und portioniert werden. In diesem Fall umfasst Aufschneidevorrichtung 20 wenigstens eine Mehrzahl von parallel angeordneten Produktzuführungen 24, insbesondere parallel angeordnete und unabhängig voneinander angetriebene Förderbänder, und optional auch eine Mehrzahl von parallel angeordneten Portioneinrichtungen 25. Die Mehrzahl von Lebensmittelriegel 23 wird vorzugsweise aber mit dem nur einen Messer 21 geschnitten. DieIt is also conceivable that the present slicing device 20 is designed as a multi-track slicing device 20, so that a plurality of blocks of food 23 are cut in parallel and portioned at the same time. In this case, slicing device 20 comprises at least a plurality of product feeds 24 arranged in parallel, in particular conveyor belts arranged in parallel and driven independently of one another, and optionally also a plurality of portioning devices 25 arranged in parallel. However, the plurality of food blocks 23 is preferably cut with just one knife 21 . the

Trennblattzuführeinheit 10 umfasst entsprechend eine mehrspurige Abrollvorrichtung, damit zwischen übereinandergestapelte Lebensmittelscheiben 22 eines jeden parallel angefertigten Stapels einzelne Trennblätter 5 angeordnet werden können. Die mehrspurige Abrollvorrichtung Trennblattzuführeinheit 10 weist insbesondere eine Mehrzahl von parallel angeordneten Bandrollen 11 zur Bereitstellung einer Mehrzahl von Bändern aus Trennmaterial, eine entsprechende Mehrzahl von parallel angeordneten Antrieben, eine entsprechende Mehrzahl von parallel angeordneten Abtrenneinrichtungen und/oder eine entsprechende Mehrzahl von parallel angeordneten Verzögerungseinheiten 1 auf. Denkbar ist, dass die Trennblattzuführeinheit 10 einen oder mehrere Austrittsschlitze 31 aufweist, welche jeweils mit einer Reinigungseinheit 30 ausgeblasen werden oder welche mit nur einer gemeinsamen Reinigungseinheit 30 ausgeblasen werden.Divider sheet feed unit 10 correspondingly comprises a multi-track unwinding device, so that individual divider sheets 5 can be arranged between stacked food slices 22 of each parallel stack. The multi-lane Unrolling device for separator sheet feed unit 10 has, in particular, a plurality of tape rolls 11 arranged in parallel to provide a plurality of strips of release material, a corresponding plurality of drives arranged in parallel, a corresponding plurality of separating devices arranged in parallel and/or a corresponding plurality of delay units 1 arranged in parallel. It is conceivable that the separating sheet feed unit 10 has one or more outlet slots 31 which are each blown out with a cleaning unit 30 or which are blown out with just one common cleaning unit 30 .

In Figur 2 ist eine Aufschneidevorrichtung 20 zum Aufschneiden von Lebensmittelprodukten, die eine Trennblattzuführeinheit 10 gemäß einer beispielhaften zweiten Ausführungsform der vorliegenden Erfindung aufweist, dargestellt.In figure 2 Illustrated is a slicing apparatus 20 for slicing food products having a divider sheet feed unit 10 according to an exemplary second embodiment of the present invention.

Die zweite Ausführungsform gleicht im Wesentlichen der in Figur 1 illustrierten ersten Ausführungsform, so dass auch sämtliche im Zusammenhang mit der ersten Ausführungsform stehenden Erläuterungen für die zweite Ausführungsform gelten.The second embodiment is essentially the same as in figure 1 illustrated first embodiment, so that all explanations related to the first embodiment also apply to the second embodiment.

Bei der zweiten Ausführungsform weist die Reinigungseinheit 30 im Unterschied zur ersten Ausführungsform jedoch noch eine weitere Gasquelle 34 auf, in welcher ein antiseptisches Gas bereitgestellt wird. Im vorliegenden Beispiel umfasst die weitere Gasquelle 34 zudem eine Pumpe 35.In contrast to the first embodiment, however, in the second embodiment the cleaning unit 30 has a further gas source 34 in which an antiseptic gas is provided. In the present example, the additional gas source 34 also includes a pump 35.

Die Austrittsdüse 33 ist dauerhaft mit der Gasquelle 32 verbunden, so dass der Austrittsschlitz 31 kontinuierlich mit Druckluft aus der Gasquelle 32 ausgeblasen wird (auch als kontinuierlicher Reinigungsmodus bezeichnet). Zusätzlich wird über ein 2/2-Ventil 36 die weitere Gasquelle 34 zeitweise und getaktet mit dem Austrittsschlitz 31 verbunden, wodurch in einem getakteten Desinfektionszyklus der Austrittsschlitz 31 zusätzlich mit antiseptischem Gas (auch als weiteres Reinigungsgas bezeichnet) zur Desinfizierung desselben ausgeblasen wird. Das antiseptische Gase kann beispielsweise Wasserstoffperoxid (H2O2), Formaldehyd, Chlordioxid, Chlor, Ozon, Kohlendioxid und/oder Kohlenmonoxid umfassen.The exit nozzle 33 is permanently connected to the gas source 32 so that the exit slot 31 is continuously blown out with compressed air from the gas source 32 (also referred to as continuous cleaning mode). In addition, the additional gas source 34 is temporarily and clocked connected to the outlet slot 31 via a 2/2 valve 36, whereby the outlet slot 31 is additionally blown out with antiseptic gas (also referred to as additional cleaning gas) to disinfect the same in a clocked disinfection cycle. The antiseptic gas can include, for example, hydrogen peroxide (H 2 O 2 ), formaldehyde, chlorine dioxide, chlorine, ozone, carbon dioxide and/or carbon monoxide.

Denkbar ist, dass beim getakteten Desinfektionszyklus zusätzlich mit einem höheren Druck und/oder einem höheren Volumenstrom als beim kontinuierlichen Reinigungsmodus gearbeitet wird. Zudem ist denkbar, dass auch beim getakteten Desinfektionsmodus Druckluft anstelle des antiseptischen Gases Verwendung findet.It is conceivable that the clocked disinfection cycle also works with a higher pressure and/or a higher volume flow than in the continuous cleaning mode. It is also conceivable that compressed air can be used instead of the antiseptic gas in the clocked disinfection mode.

Bei der zweiten Ausführungsform wird also ein kontinuierliches Ausblasen, bei welchem der Austrittsschlitz unter geringerem Druck und/oder Volumenstrom mit Druckluft ausgeblasen wird, und zusätzlich ein getaktetes Ausblasen (als Desinfektionszyklus bezeichnet), bei welchem der Austrittsschlitz in bestimmten Zeitabständen vorzugsweise unter höherem Druck und/oder Volumenstrom mit dem antiseptischen Gas ausgeblasen wird. Die Zeitabstände sind vorzugsweise variabel und können sich beispielsweise am Takt der Aufschneidevorrichtung oder am Bedarfsfall orientieren.In the second embodiment, therefore, continuous blowing out, in which the outlet slot is blown out with compressed air under lower pressure and/or volume flow, and additionally clocked blowing out (referred to as a disinfection cycle), in which the outlet slot is preferably under higher pressure and/or at certain time intervals or volume flow is blown out with the antiseptic gas. The time intervals are preferably variable and can be based, for example, on the cycle of the slicing device or on the case of need.

BezugszeichenlisteReference List

11
TrennblattzuführeinheitSeparator Sheet Feeder
33
Transportbewegungtransport movement
44
Umlenkrollepulley
55
Trennblattdivider sheet
1111
Bandrolletape roll
2020
Aufschneidevorrichtungslicing device
2121
Messerknife
2222
Lebensmittelscheibefood slice
2323
Lebensmittelriegelfood bars
2424
Produktzuführungproduct feeding
2525
Portioniereinrichtungportioning device
2626
Stapelstack
3030
Reinigungseinheitcleaning unit
3131
Austrittsschlitzexit slot
3232
Gasquellegas source
3333
Austrittsdüseoutlet nozzle
3434
Weitere GasquelleAnother gas source
3535
Pumpepump
3636
VentilValve

Claims (13)

  1. Separating-sheet feeding unit (1) for a slicing apparatus (20) for slicing food products (23), in particular a high-performance slicer, wherein the separating-sheet feeding unit (1) has an exit unit with an exit slot through which separating sheets (5) are dispensed in the direction of the slicing apparatus (20), characterized in that the separating-sheet feeding unit (1) comprises a cleaning unit (30) for blowing out the exit slot (31) with a cleaning gas.
  2. Separating-sheet feeding unit (1) according to Claim 1, wherein the cleaning unit (30) is configured for continuous blowing-out of the exit slot (31) with the cleaning gas.
  3. Separating-sheet feeding unit (1) according to either of the preceding claims, wherein the cleaning gas comprises compressed air or an antiseptic gas.
  4. Separating-sheet feeding unit (1) according to one of the preceding claims, wherein the cleaning unit (30) comprises a gas source (32, 34) for providing the cleaning gas.
  5. Separating-sheet feeding unit (1) according to one of the preceding claims, wherein the cleaning unit (30) is configured for clocked blowing-out of the exit slot (31) with a further cleaning gas or with the cleaning gas at elevated pressure.
  6. Separating-sheet feeding unit (1) according to Claim 5, wherein the cleaning unit (30) comprises a further gas source (32, 34) for providing the further cleaning gas, wherein the cleaning gas preferably comprises compressed air and the further cleaning gas comprises an antiseptic gas.
  7. Separating-sheet feeding unit (1) according to one of the preceding claims, wherein the cleaning unit (30) has at least one exit nozzle (33) which is directed in the direction of the exit slot (31) and which serves for generating a gas stream in the region of the exit slot (31), and/or comprises a line system for passing-through of the cleaning gas that has a plurality of exit openings in the region of the exit slot (31).
  8. Slicing apparatus (20) for slicing food products (23), in particular a high-performance slicer, having a blade (21) which cuts off food slices (22) from at least one food product (23), said food slices being arranged in an at least partially overlapping manner in a portioning region to form a portion of multiple food slices (22), wherein a separating sheet (5) is provided between at least food slices (22), wherein, for the purpose of providing the separating sheet (5), the slicing apparatus (20) has a separating-sheet feeding unit (1) according to one of the preceding claims.
  9. Method for operating a separating-sheet feeding unit (1) according to one of Claims 1 to 7, wherein, in a working mode, separating sheets (5) are dispensed through the exit slot (31) of the exit unit in the direction of a portioning region of the slicing apparatus (20), in which portioning region food slices (22) cut off by the slicing apparatus (20) are arranged in an at least partially overlapping manner, characterized in that, during the working mode, the exit slot (31) is blown out with a cleaning gas by means of a cleaning unit (30).
  10. Method according to Claim 9, wherein, during the working mode, the exit slot (31) is blown out continuously with the cleaning gas, in particular compressed air or an antiseptic gas, in a continuous cleaning mode.
  11. Method according to either of Claims 9 and 10, wherein, during a clocked disinfection cycle, the exit slot (31) is blown out with the cleaning gas at a pressure which is elevated in comparison with the continuous cleaning mode.
  12. Method according to either of Claims 9 and 10, wherein, during a clocked disinfection cycle, the exit slot (31) is blown out with a further cleaning gas, wherein the cleaning gas preferably comprises compressed air and the further cleaning gas comprises an antiseptic gas.
  13. Method for operating a slicing apparatus (20) according to Claim 8, wherein food slices (22) are cut off from a food product (23) by means of the blade (21), and wherein the food slices (22) are arranged in an at least partially overlapping manner in the portioning region to form a portion of multiple food slices (22) which at least partially overlap, characterized in that a separating sheet (5) is arranged between at least food slices (22) by way of a method according to one of Claims 9 to 12.
EP19786523.1A 2018-10-18 2019-10-07 Interleaver, slicer and method of using the interleaver in the slicer Active EP3867028B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018217897 2018-10-18
PCT/EP2019/077073 WO2020078754A1 (en) 2018-10-18 2019-10-07 Separating-sheet feed device, cutting device and method for operating a separating-sheet feed and a cutting device

Publications (2)

Publication Number Publication Date
EP3867028A1 EP3867028A1 (en) 2021-08-25
EP3867028B1 true EP3867028B1 (en) 2022-09-14

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Application Number Title Priority Date Filing Date
EP19786523.1A Active EP3867028B1 (en) 2018-10-18 2019-10-07 Interleaver, slicer and method of using the interleaver in the slicer

Country Status (3)

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EP (1) EP3867028B1 (en)
ES (1) ES2934000T3 (en)
WO (1) WO2020078754A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022116352A1 (en) 2022-06-30 2024-01-04 Multivac Sepp Haggenmüller Se & Co. Kg Operating method for a slicing machine and slicing machine suitable for this

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19926461A1 (en) * 1999-06-10 2000-12-14 Biforce Anstalt Vaduz Device for slicing food products
DE10057333A1 (en) * 2000-11-17 2002-05-23 Cfs Gmbh Kempten Device on cutting machines
DE102014106408A1 (en) 2014-05-07 2015-11-12 Textor Maschinenbau GmbH Between sheet feeder
US11014258B2 (en) 2016-12-20 2021-05-25 Gea Food Solutions Germany Gmbh Delay unit, unrolling device, cutting machine and method for providing separating material

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EP3867028A1 (en) 2021-08-25
ES2934000T3 (en) 2023-02-15
WO2020078754A1 (en) 2020-04-23

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