EP2368677B1 - Method and device for cutting food products - Google Patents

Method and device for cutting food products Download PDF

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Publication number
EP2368677B1
EP2368677B1 EP20110002383 EP11002383A EP2368677B1 EP 2368677 B1 EP2368677 B1 EP 2368677B1 EP 20110002383 EP20110002383 EP 20110002383 EP 11002383 A EP11002383 A EP 11002383A EP 2368677 B1 EP2368677 B1 EP 2368677B1
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Prior art keywords
product
cutting
cutting blade
wear
blade
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German (de)
French (fr)
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EP2368677A1 (en
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Weber Maschinenbau GmbH Breidenbach
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Weber Maschinenbau GmbH Breidenbach
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    • 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
    • B26D7/01—Means for holding or positioning work
    • 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
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0683—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form specially adapted for elongated articles
    • 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
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/12—Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • 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
    • B26D7/01—Means for holding or positioning work
    • B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs
    • 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
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02—Means for moving the cutting member into its operative position for cutting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/05—With reorientation of tool between cuts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/141—With means to monitor and control operation [e.g., self-regulating means]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/141—With means to monitor and control operation [e.g., self-regulating means]
    • Y10T83/145—Including means to monitor product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/141—With means to monitor and control operation [e.g., self-regulating means]
    • Y10T83/148—Including means to correct the sensed operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/141—With means to monitor and control operation [e.g., self-regulating means]
    • Y10T83/148—Including means to correct the sensed operation
    • Y10T83/152—And modify another operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/141—With means to monitor and control operation [e.g., self-regulating means]
    • Y10T83/148—Including means to correct the sensed operation
    • Y10T83/155—Optimizing product from unique workpiece
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/162—With control means responsive to replaceable or selectable information program
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/162—With control means responsive to replaceable or selectable information program
    • Y10T83/173—Arithmetically determined program
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/162—With control means responsive to replaceable or selectable information program
    • Y10T83/173—Arithmetically determined program
    • Y10T83/175—With condition sensor

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)

Description

Die vorliegende Erfindung betrifft ein Verfahren zum Aufschneiden von Lebensmittelprodukten, insbesondere mittels eines Hochleistungs-Slicers, bei dem ein aufzuschneidendes Produkt mittels einer Produktzuführung entlang einer Produktzuführrichtung durch eine Schneidebene gefördert wird, in der sich wenigstens ein Schneidmesser, insbesondere rotierend und/oder umlaufend, bewegt. Die Erfindung betrifft ferner eine entsprechende Vorrichtung zum Aufschneiden von Lebensmittelprodukten.The present invention relates to a method for slicing food products, in particular by means of a high-performance slicer, in which a product to be sliced is conveyed by a product feed along a product feed through a cutting plane in which at least one cutting blade, in particular rotating and / or rotating moves , The invention further relates to a corresponding device for slicing food products.

DE 101 48 595 A1 beschreibt ein Schneidmesser, das abhängig von dem jeweils aufzuschneidenden Produkt automatisch verstellt werden kann. DE 101 48 595 A1 describes a cutting blade that can be adjusted automatically depending on the product to be sliced.

Bei dem erfindungsgemäßen Schneidmesser kann es sich beispielsweise um ein planetarisch umlaufendes Kreismesser handeln. Alternativ kann auch ein Sichel- oder Spiralmesser vorgesehen sein, das um eine Drehachse rotiert und eine spiralförmige Messerschneide aufweist. Durch die sich in der Schneidebene bewegende Messerschneide werden mit hoher Schnittfolge Scheiben von einem zugeführten Lebensmittelprodukt, wie zum Beispiel Fleisch, Wurst oder Käse, abgetrennt. Die abgetrennten Produktscheiben fallen auf der dem zugeführten Produkt abgewandten Seite von dem Schneidmesser ab und können einer weiteren Verarbeitung zugeführt werden.The cutting blade according to the invention may be, for example, a planetary rotating circular knife. Alternatively, a sickle or spiral knife may be provided which rotates about a rotation axis and has a spiral knife edge. By moving in the cutting plane knife edge slices of a supplied food product, such as meat, sausage or cheese, separated with high cutting sequence. The separated product slices fall on the side facing away from the supplied product from the cutting blade and can be fed to further processing.

Insbesondere beim Betrieb von Hochleistungs-Slicern sind die jeweiligen Schneidmesser hohen mechanischen Belastungen ausgesetzt, die einen fortschreitenden Verschleiß des Schneidmessers bewirken. Aufgrund dieses Messerverschleißes müssen die Schneidmesser in relativ kurzen zeitlichen Abständen nachgeschärft oder sogar komplett ausgetauscht werden, was mit hohen Betriebskosten verbunden ist.Especially in the operation of high-performance slicers, the respective cutting blades are exposed to high mechanical loads, which cause progressive wear of the cutting blade. Due to this knife wear, the cutting blades must be in relatively short temporal Repeated intervals or even completely replaced, which is associated with high operating costs.

Es ist daher eine Aufgabe der Erfindung, den Betrieb von Schneidvorrichtungen der genannten Art effizienter zu gestalten und insbesondere die Standzeit der Schneidmesser zu erhöhen.It is therefore an object of the invention to make the operation of cutting devices of the type mentioned more efficient and in particular to increase the service life of the cutting blade.

Die Aufgabe wird durch ein Verfahren mit den Merkmalen des Anspruchs 1. gelöst. Erfindungsgemäß wird zur Optimierung des Messerverschleißes die Position des Schneidmessers relativ zu dem Produkt derart automatisch verstellt. dass verhindert wird, dass beim Schneiden stets die gleiche Stelle der Messerschneide auf das Produkt auftrifft, was insbesondere bei Sichelmessern der Fall wäre. Die Belastung des Schneidmessers kann somit über einen größeren Bereich der Messerschneide verteilt werden, wodurch der punktuelle Verschleiß - welcher hinsichtlich der Wartung letztlich maßgebend ist - verringert wird. Auf diese Weise kann das Schneidmesser daher länger unterbrechungsfrei betrieben werden als bei einer gleichbleibenden Relativposition zwischen Schneidmesser und Produkt. Die Erfindung berücksichtigt insbesondere die Erkenntnis, dass die Position des Schneidmessers relativ zu dem Produkt - welche herkömmlicherweise hinsichtlich der Schnittqualität optimiert ist - in gewissen Grenzen variiert werden kann, ohne dass dies zu einer nennenswerten Verschlechterung der Schnittqualität führt. Insgesamt kann durch die Erfindung die Effizienz einer Schneidvorrichtung beträchtlich gesteigert werden, da die Intervalle zwischen erforderlichen Nachschärf- oder Austauschvorgängen ausgedehnt werden können.The object is achieved by a method having the features of claim 1. According to the invention, the position of the cutting blade relative to the product is automatically adjusted to optimize the blade wear. that prevents the same point of the knife edge always hits the product when cutting, which would be the case especially in sickle blades. The load of the cutting blade can thus be distributed over a larger area of the knife edge, whereby the punctual wear - which is ultimately decisive in terms of maintenance - is reduced. In this way, the cutting blade can therefore be operated longer uninterrupted than at a constant relative position between the cutting blade and product. In particular, the invention takes into account the knowledge that the position of the cutting blade relative to the product - which is conventionally optimized in terms of cutting quality - can be varied within certain limits, without this leading to a significant deterioration of the cut quality. Overall, the invention can significantly increase the efficiency of a cutter as the intervals between required re-sharpening or replacement operations can be extended.

Mögliche Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen, der Zeichnung sowie der Beschreibung angegeben.Possible developments of the invention are specified in the dependent claims, the drawings and the description.

Vorzugsweise erfolgt das automatische Verstellen der Position während des Aufschneidens. Der Aufschneidebetrieb wird also zum Verstellen nicht unterbrochen, sondern kann ungehindert weiterlaufen, was der Effektivität der Schneidvorrichtung zugute kommt.Preferably, the automatic adjustment of the position takes place during the slicing. The slicing operation is thus not interrupted for adjusting, but can continue unhindered, which benefits the effectiveness of the cutting device.

Gemäß einer Ausführungsform erfolgt das automatische Verstellen der Position kontinuierlich. Das Schneidmesser führt bei einer derartigen Ausgestaltung eine vorzugsweise langsame Dauerbewegung aus, indem es beispielsweise entlang einer vorgegebenen Bahn fortlaufend hin und her verstellt wird. Der Messerverschleiß wird auf diese Weise auf den gesamten Bereich des kontinuierlichen Verstellens verteilt. Die Geschwindigkeit der Verstellbewegung kann dabei relativ gering sein.According to one embodiment, the automatic adjustment of the position takes place continuously. In such an embodiment, the cutting blade executes a preferably slow continuous movement, for example, by continuously displacing it back and forth along a predetermined path. The knife wear is distributed in this way over the entire range of continuous adjustment. The speed of the adjustment can be relatively low.

Alternativ kann das automatische Verstellen der Position auch intermittierend erfolgen. Eine Verstellbewegung erfolgt in diesem Fall nur zu bestimmten Zeiten, wobei zwischendurch die Relativposition zwischen Schneidmesser und Produkt konstant bleibt. Das Schneidmesser kann hierbei jeweils zwischen einzelnen vorgegebenen Positionen verstellt werden.Alternatively, the automatic adjustment of the position can also be done intermittently. An adjusting movement takes place in this case only at certain times, in between the relative position between the cutting blade and the product remains constant. The cutting blade can be adjusted in each case between individual predetermined positions.

Insbesondere kann das automatische Verstellen der Position jeweils nach einer vorbestimmten Anzahl von durchgeführten Schnitten erfolgen. Dies ermöglicht eine zuverlässige Optimierung des Messerverschleißes, da dieser mit der Anzahl von durchgeführten Schnitten in direktem Zusammenhang steht. Das Schneidmesser kann bei einer derartigen Ausgestaltung jedes Mal weiterverstellt werden, wenn aufgrund der seit dem letzten Verstellen erfolgten Anzahl von Schnitten ein unzulässig hoher Messerverschleiß zu befürchten ist.In particular, the automatic adjustment of the position can in each case take place after a predetermined number of cuts made. This allows a reliable optimization of the knife wear, as this is directly related to the number of cuts performed. The cutting blade can be adjusted in each case with such a configuration, if due to the number of cuts made since the last adjustment an unacceptably high blade wear is to be feared.

Das automatische Verstellen der Position kann auch in vorbestimmten, insbesondere regelmäßigen, Zeitabständen erfolgen. Eine derartige automatische Verstellung kann besonders einfach implementiert werden.The automatic adjustment of the position can also take place in predetermined, in particular regular, time intervals. Such an automatic adjustment can be implemented particularly easily.

Gemäß einer weiteren Ausführungsform wird während des Aufschneidens ein Verschleißgrad oder Verschleißzustand des Schneidmessers ermittelt und das automatische Verstellen der Position erfolgt in Abhängigkeit von dem ermittelten Verschleißgrad oder Verschleißzustand. Der Messerverschleiß wird bei dieser Ausführungsform also nicht anhand der Zahl der durchgeführten Schnitte oder der verstrichenen Zeit geschätzt, sondern direkt ermittelt. Beispielsweise kann zur Ermittlung des tatsächlichen Messerverschleißes ein Sensor vorgesehen sein, welcher den Verschleißzustand des Schneidmessers erfasst und an eine Steuereinrichtung übermittelt.According to a further embodiment, a degree of wear or wear of the cutting blade is determined during slicing and the automatic adjustment of the position takes place as a function of the determined degree of wear or wear condition. The blade wear is therefore not estimated in this embodiment based on the number of cuts or the elapsed time, but determined directly. For example, to determine the actual blade wear a sensor may be provided which detects the wear state of the cutting blade and transmitted to a control device.

Bevorzugt wird der Verschleißgrad oder Verschleißzustand des Schneidmessers ermittelt, indem ein Zustand der mittels des Schneidmessers abgetrennten Produktscheiben und/oder ein Zustand von während des Aufschneidens erstellten Portionen von Produktscheiben erfasst werden. Veränderungen in Bezug auf den Zustand der aufgeschnittenenen Produkte können nämlich auf einen erhöhten Messerverschleiß hinweisen. Beispielsweise kann es ab einem bestimmten Ausmaß an Messerverschleiß zu einer unkorrekten Ablage oder zu einem Umfalten der abgetrennten Produktscheiben kommen. Derartige Unregelmäßigkeiten hinsichtlich des Zustands der abgetrennten Produktscheiben oder Portionen sind leicht erfassbar, zum Beispiel mittels optischer Sensoren.Preferably, the degree of wear or wear of the cutting blade is determined by detecting a state of the product slices cut by the cutting blade and / or a state of portions of product slices made during slicing. In fact, changes in the condition of the sliced products may indicate increased blade wear. For example, from a certain extent of blade wear, incorrect placement or folding of the separated product slices may occur. Such irregularities in the state of the separated product slices or portions are easily detectable, for example by means of optical sensors.

Das automatische Verstellen der Position kann insbesondere bei Erreichen eines vorgegebenen Verschleißgrades oder Verschleißzustands erfolgen. Der Verstellvorgang kann somit rechtzeitig vor dem Eintreten einer verschleißbedingten inakzeptablen Verschlechterung der Schnittqualität erfolgen. Durch das automatische Verstellen wird dafür gesorgt, dass ein bislang weniger belasteter und daher von geringerem Verschleiß betroffener Abschnitt des Schneidmessers auf das Produkt auftrifft. Auf diese Weise wird jede Stelle der Messerschneide innerhalb des nutzbaren Bereichs so lange der maximalen Belastung ausgesetzt, bis der Messerverschleiß an dieser Stelle ein kritisches Ausmaß erreicht.The automatic adjustment of the position can be done especially when reaching a predetermined degree of wear or wear condition. The adjustment process can thus be timely before the occurrence of a wear-related unacceptable deterioration of the cut quality. The automatic adjustment ensures that a section of the cutting blade that has hitherto been less stressed and therefore less affected by wear is impacted on the product. In this way, each point of the knife edge within the usable range is subjected to the maximum load until the knife wear reaches a critical level at that point.

Zum automatischen Verstellen der Position kann das Schneidmesser mittels einer Verstelleinrichtung bewegt werden. Die Verstelleinrichtung kann z.B. elektrisch oder hydraulisch betätigbar sein und durch eine Steuereinrichtung der Schneidvorrichtung angesteuert werden.For automatic adjustment of the position, the cutting blade can be moved by means of an adjusting device. The adjusting device may e.g. be electrically or hydraulically actuated and controlled by a control device of the cutting device.

Zum automatischen Verstellen der Position kann auch ein das Schneidmesser umfassender Messerkopf oder Schneidkopf als Ganzes mittels einer Verstelleinrichtung bewegt werden, wobei insbesondere der Schneidkopf einen Messerkopf, einen Rotationsantrieb für den Messerkopf und ein Schneidkopfgehäuse umfasst. Dies ermöglicht eine besonders einfache Konstruktion. Bestimmte Schneidvorrichtungen weisen einen Messerkopf oder Schneidkopf auf, der von vornherein verstellbar ausgelegt ist, um beispielsweise unterschiedliche Produktgrößen oder Produktarten zu berücksichtigen. Diese Verstellbarkeit kann in vorteilhafter Weise zur Optimierung des Messerverschleißes genutzt werden.For automatically adjusting the position, a cutter head or cutting head comprising the cutting blade as a whole can also be moved by means of an adjusting device, wherein in particular the cutting head comprises a cutter head, a rotary drive for the cutter head and a cutter head housing. This allows a particularly simple construction. Certain cutting devices have a cutter head or cutting head which is designed adjustable from the outset, for example, to take into account different product sizes or product types. This adjustability can be used advantageously for optimizing the blade wear.

Alternativ oder zusätzlich zu einer Bewegung des Schneidmessers kann zum automatischen Verstellen der Position wenigstens eine das Produkt haltende, unterstützende und/oder führende Komponente der Produktzuführung, insbesondere eine Produktauflage, ein Seitenanschlag und/oder eine Schneidkante, mittels einer Verstelleinrichtung bewegt werden. Je nach Anwendungsvorgabe kann also zum automatischen Verstellen der Relativposition zwischen Schneidmesser und Produkt wahlweise das Schneidmesser, das Produkt oder sowohl das Schneidmesser als auch das Produkt bewegt werden.Alternatively or in addition to a movement of the cutting blade, at least one product-holding, supporting and / or leading component of the product feed, in particular a product support, a side stop and / or a cutting edge, can be moved by means of an adjusting device for the automatic adjustment of the position. Depending on the application, so the automatic adjustment of Relative position between the cutting blade and product either the cutting blade, the product or both the cutting blade and the product are moved.

Gemäß einer Ausgestaltung der Erfindung wird die Position des Schneidmessers relativ zu dem Produkt in einer quer zur Produktzuführrichtung verlaufenden Verstellrichtung oder Verstellebene verstellt. Die Verstellrichtung kann beispielsweise rechtwinklig zu der Produktzuführrichtung verlaufen. Es kann eine Höhenverstellung, eine seitliche Verstellung oder eine Überlagerung aus beidem erfolgen. Die Verstellbewegung kann jedoch grundsätzlich auch eine in Bezug auf die Produktzuführrichtung axiale Komponente aufweisen.According to one embodiment of the invention, the position of the cutting blade is adjusted relative to the product in a direction of adjustment or adjustment plane extending transversely to the product feed direction. The adjustment direction may, for example, extend at right angles to the product feed direction. It can be a height adjustment, a lateral adjustment or a superposition of both. However, the adjustment movement can basically also have an axial component with respect to the product feed direction.

Vorzugsweise wird die Position des Schneidmessers relativ zu dem Produkt innerhalb eines Toleranzbereichs verstellt, der durch diejenigen Positionen vorgegeben ist, bei welchen ein akzeptables Schneidresultat erzielbar ist. Auf diese Weise wird sichergestellt, dass durch das automatische Verstellen der Position die Schnittqualität nicht beeinträchtigt wird. Die Grenzen des Toleranzbereiches können beispielsweise empirisch ermittelt sein.Preferably, the position of the cutting blade relative to the product is adjusted within a tolerance range dictated by those positions at which an acceptable cutting result is achievable. This ensures that automatically adjusting the position does not affect the cut quality. The limits of the tolerance range can be determined empirically, for example.

Gemäß einer weiteren Ausführungsform wird das automatische Verstellen der Position wiederholt zwischen vorgegebenen Positionen und/oder längs einer vorgegebenen Bahn durchgeführt. Auf diese Weise kann die Messerbelastung zuverlässig zwischen den vorgegebenen Positionen oder über den kompletten Bereich der vorgegebenen Bahn verteilt werden.According to another embodiment, the automatic adjustment of the position is repeatedly performed between predetermined positions and / or along a predetermined path. In this way, the knife load can be reliably distributed between the predetermined positions or over the entire range of the predetermined path.

Die Erfindung bezieht sich auch auf eine Vorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere einen Hochleistungs-Slicer, mit einer Produktzuführung, die ein aufzuschneidendes Produkt entlang einer Zuführrichtung durch eine Schneidebene fördert, in der sich wenigstens ein Schneidmesser, insbesondere rotierend und/oder umlaufend, bewegt, wobei die Position des Schneidmessers relativ zu dem Produkt mittels einer Verstelleinrichtung verstellbar ist. Erfindungsgemäß ist eine Steuereinrichtung vorgesehen, die dazu ausgebildet ist, zur Optimierung des Messerverschleißes die Position des Schneidmessers automatisch zu verstellen.The invention also relates to a device for slicing food products, in particular a high-performance slicer, with a product feed, the product to be sliced along a Feeding direction by a cutting plane promotes in which at least one cutting blade, in particular rotating and / or rotating, moves, wherein the position of the cutting blade is adjustable relative to the product by means of an adjusting device. According to the invention, a control device is provided, which is designed to automatically adjust the position of the cutting blade to optimize the knife wear.

Die Verstelleinrichtung kann dazu ausgebildet sein, das Schneidmesser oder einen das Schneidmesser umfassenden Messerkopf oder Schneidkopf relativ zu dem Produkt zu bewegen.The adjusting device may be designed to move the cutting blade or a knife head or cutting head comprising the cutting blade relative to the product.

Ferner kann wenigstens ein mit der Steuereinrichtung verbundener Sensor vorgesehen sein, um einen Verschleißgrad oder Verschleißzustand des Schneidmessers zu erfassen.Furthermore, at least one sensor connected to the control device can be provided in order to detect a degree of wear or a state of wear of the cutting blade.

Alternativ oder zusätzlich kann wenigstens ein mit der Steuereinrichtung verbundener Sensor vorgesehen sein, um einen Zustand der mittels des Schneidmessers abgetrennten Produktscheiben und/oder einen Zustand von Portionen aus abgetrennten Produktscheiben während des Aufschneidens zu überwachen.Alternatively or additionally, at least one sensor connected to the control device may be provided to monitor a state of the product slices cut off by the cutting knife and / or a state of portions of sliced product slices during slicing.

Für einen Betreiber einer derartigen Schneidvorrichtung ergibt sich der Vorteil, dass ein Austausch oder ein Nachschärfen des Schneidmessers weniger häufig erforderlich ist.For an operator of such a cutting device, there is the advantage that an exchange or re-sharpening of the cutting blade is required less frequently.

Die Erfindung wird im Folgenden unter Bezugnahme auf die Zeichnung beschrieben.

Fig. 1
zeigt eine vereinfachte Seitenansicht einer erfindungsgemäßen Vorrichtung zum Aufschneiden von Lebensmittelprodukten.
Fig. 2
zeigt eine Vorderansicht der Vorrichtung gemäß Fig. 1.
Fig. 3
zeigt eine Vorderansicht einer Vorrichtung zum Aufschneiden von Lebensmittelprodukten gemäß einer alternativen Ausführungsform der Erfindung.
The invention will be described below with reference to the drawings.
Fig. 1
shows a simplified side view of an apparatus according to the invention for slicing food products.
Fig. 2
shows a front view of the device according to Fig. 1 ,
Fig. 3
shows a front view of a device for slicing food products according to an alternative embodiment of the invention.

Gemäß Fig. 1 und 2 umfasst ein Hochgeschwindigkeits-Slicer ein Schneidmesser 11, welches eine Schneidebene S definiert. Das Schneidmesser 11 ist hier als scheibenförmiges Sichelmesser ausgebildet, welches an einem Messerkopf 13 befestigt ist. Mittels eines Antriebs 15 wird der Messerkopf 13 mit dem Schneidmesser 11 in der Schneidebene S rotierend angetrieben. Das Schneidmesser 11 einschließlich des Messerkopfs 13 und des Antriebs 15 ist in einen in Fig. 1 lediglich gestrichelt dargestellten Schneidkopf 17 integriert. Der Schneidkopf 17 ist zur Sicherheit durch ein Schneidkopfgehäuse abgedeckt, welches jedoch in den Figuren nicht im Einzelnen dargestellt ist.According to Fig. 1 and 2 For example, a high-speed slicer includes a cutting blade 11 that defines a cutting plane S. The cutting blade 11 is formed here as a disk-shaped sickle blade, which is attached to a cutter head 13. By means of a drive 15, the cutter head 13 is driven in rotation with the cutting blade 11 in the cutting plane S. The cutting blade 11 including the cutter head 13 and the drive 15 is in an in Fig. 1 only shown dashed lines cutting head 17 integrated. The cutting head 17 is covered for safety by a cutting head housing, which, however, is not shown in detail in the figures.

Weiterhin umfasst der Hochgeschwindigkeits-Slicer eine Produktzuführung 19, auf welcher sich drei nebeneinander angeordnete aufzuschneidende Produktriegel 21 befinden. Mittels eines nicht dargestellten gesteuerten Antriebs werden die Produktriegel 21 entlang einer rechtwinklig zur Schneidebene S weisenden Produktzuführrichtung P dem rotierenden Schneidmesser 11 zugestellt. Während des Produktvorschubs wird die Anordnung aus Produktriegeln 21 an einem in Fig. 2 dargestellten Seitenanschlag 23 entlanggeführt. Je nach Erfordernis können weitere Maßnahmen zur Halterung, Unterstützung und/oder Führung der Produktriegel 21 vorgesehen sein.Furthermore, the high-speed slicer comprises a product feeder 19, on which there are three product bars 21 to be sliced next to one another. By means of a controlled drive, not shown, the product bars 21 are delivered to the rotating cutting blade 11 along a product feed direction P pointing at right angles to the cutting plane S. During product feeding, the array of product bars 21 is placed on an in Fig. 2 shown side stop 23 along. Depending on the requirement, further measures can be taken be provided for mounting, support and / or leadership of the product bars 21.

Während der Rotation schneidet das Schneidmesser 11 mit einer Messerschneide 26 durch die Produktriegel 21 hindurch und trennt von diesen Produktscheiben 25 ab, wobei es mit einer das Ende der Produktzuführung 19 bildenden Schneidkante 27 zusammenwirkt. Die abgetrennten Produktscheiben 25 fallen auf der der Produktzuführung 19 abgewandten Messerrückseite auf eine Produktauflage 29 und können weitergefördert bzw. weiterverarbeitet, insbesondere einer automatischen Verpackungsanlage (nicht dargestellt) zugeführt werden. Ein Sensor 31 (Fig. 2) dient dazu, die Qualität der auf der Produktauflage 29 befindlichen Produktscheiben 25 zu überwachen. Der Sensor 31 steht mit einer nicht dargestellten Steuereinrichtung des Hochleistungs-Slicers in Verbindung.During rotation, the cutting blade 11 cuts through the product bars 21 with a knife edge 26 and separates from these product slices 25, cooperating with a cutting edge 27 forming the end of the product feed 19. The separated product slices 25 fall on the product rear side facing away from the rear of the product on a product support 29 and can be further promoted or further processed, in particular an automatic packaging system (not shown) are supplied. A sensor 31 ( Fig. 2 ) serves to monitor the quality of product slices 25 located on product support 29. The sensor 31 is in communication with a control device, not shown, of the high-performance slicer.

Der Schneidkopf 17 mit dem Schneidmesser 11, dem Messerkopf 13 und dem Antrieb 15 kann als Ganzes relativ zu der Produktzuführung 19 mit den Produktriegeln 21 verstellt werden. Hierzu ist eine in Fig. 2 gezeigte Verstelleinrichtung 33 vorgesehen, welche durch die Steuereinrichtung aktiviert wird. Mittels der gesteuerten Verstelleinrichtung 33 wird der Schneidkopf 17 mit dem Schneidmesser 11 innerhalb der Schneidebene S in vertikaler und/oder horizontaler Richtung bewegt, was in Fig. 2 durch gekreuzte Pfeile angedeutet ist.The cutting head 17 with the cutting blade 11, the cutter head 13 and the drive 15 can be adjusted as a whole relative to the product feed 19 with the product bars 21. This is an in Fig. 2 shown adjusting device 33 is provided, which is activated by the control device. By means of the controlled adjusting device 33, the cutting head 17 is moved with the cutting blade 11 within the cutting plane S in the vertical and / or horizontal direction, which in Fig. 2 indicated by crossed arrows.

Während des Aufschneidebetriebs überwacht der Sensor 31 kontinuierlich das Schneidresultat, also den Zustand der abgetrennten Produktscheiben 25 und den Zustand von während des Aufschneidens aus den Produktscheiben 25 erstellten Portionen. Die Steuereinrichtung prüft anhand der Sensorsignale, ob die Qualität der abgetrennten Produktscheiben 25 oder der jeweiligen Portionen ausreichend ist und ob die Ablage korrekt erfolgt.During the slicing operation, the sensor 31 continuously monitors the cutting result, that is the state of the slices of product sliced 25, and the state of portions made from the product slices 25 during slicing. The control device checks on the basis of the sensor signals, whether the quality of the separated product slices 25 or the respective portions is sufficient and whether the filing takes place correctly.

Sobald Unregelmäßigkeiten in Bezug auf den Zustand der Produktscheiben 25 oder der Portionen festgestellt werden, also beispielsweise umgefaltete Produktscheiben 25 auf der Produktauflage 29 detektiert werden, wird der Schneidkopf 17 mittels der Verstelleinrichtung 33 um eine vorgegebene Strecke zur Seite oder in der Höhe bewegt. Vorzugsweise beträgt die vorgegebene Strecke lediglich wenige Millimeter. Durch die Änderung der Relativposition zwischen dem Schneidmesser 11 und den Produktriegeln 21 wird bewirkt, dass eine andere Stelle der Messerschneide 26 als zuvor auf die Produktriegel 21 auftrifft. In dieser Konfiguration kann der Aufschneidebetrieb unterbrechungsfrei fortgesetzt werden, bis anhand der Sensorsignale erneut eine unzulässige Beeinträchtigung der Schnittqualität oder der Ablage festgestellt wird. Ein Nachschärfen oder ein Austausch des Schneidmessers 11 wird somit erst wesentlich später erforderlich, als bei einer Konzentration der Messerbelastung und somit des Messerverschleißes auf ein und dieselbe Stelle der Messerschneide 26. Die Steuereinrichtung sorgt dafür, dass die Verstellbewegung auf einen Toleranzbereich beschränkt bleibt, innerhalb dessen ein akzeptables Schneidresultat erzielbar ist. Eine Wartung ist erst dann erforderlich, wenn der Messerverschleiß innerhalb des gesamten Toleranzbereichs unzulässig hoch geworden ist.As soon as irregularities with respect to the state of the product slices 25 or the portions are detected, that is, for example, folded product slices 25 are detected on the product support 29, the cutting head 17 is moved by means of the adjusting device 33 by a predetermined distance to the side or in height. Preferably, the predetermined distance is only a few millimeters. The change in the relative position between the cutting blade 11 and the product bars 21 causes a different location of the knife edge 26 to impact the product bars 21 than before. In this configuration, the slicing operation can be continued without interruption until an undue impairment of the cut quality or the storage is again determined based on the sensor signals. Re-sharpening or replacement of the cutting blade 11 is therefore required much later than at a concentration of the knife load and thus the blade wear on one and the same point of the knife edge 26. The control device ensures that the adjustment remains limited to a tolerance range within which an acceptable cutting result can be achieved. Maintenance is only required if the blade wear has become inadmissibly high within the entire tolerance range.

Um den Sensor 31 einzusparen, könnte die Steuereinrichtung auch derart programmiert sein, dass das automatische Verstellen der Position unabhängig von dem ermittelten Verschleißgrad oder Verschleißzustand nach einer vorbestimmten Anzahl von durchgeführten Schnitten oder in vorbestimmten Zeitabständen erfolgt.In order to save the sensor 31, the control device could also be programmed such that the automatic adjustment of the position takes place independently of the determined degree of wear or wear after a predetermined number of cuts or at predetermined time intervals.

Fig. 3 zeigt einen Hochleistungs-Slicer gemäß einer alternativen Ausführungsform der Erfindung. Das Schneidmesser 11' ist hier als Kreismesser ausgebildet, das planetarisch auf einer Kreisbahn 35 umläuft. Anstatt mehrerer nebeneinander angeordneter Produktriegel 21 befindet sich lediglich ein einzelner Produktriegel 21 auf der Produktzuführung 19. Die Verstelleinrichtung 33 ist im Übrigen äquivalent zu der in Fig. 2 gezeigten Ausführungsform. Fig. 3 shows a high performance slicer according to an alternative embodiment of the invention. The cutting blade 11 'is here designed as a circular blade which rotates planetary on a circular path 35. Instead of a plurality of juxtaposed product bars 21 is only a single product bars 21 on the product feeder 19. The adjusting device 33 is otherwise equivalent to the in Fig. 2 shown embodiment.

Bei beiden beschriebenen Ausführungsformen können die Verstellrichtung, die Größe des Toleranzbereichs sowie die zeitliche Koordinierung des automatischen Verstellens in vielfältiger Weise an die jeweilige Anwendung angepasst werden. Insgesamt ermöglicht die Erfindung zeitlich weiter auseinanderliegende Wartungsintervalle und somit einen wirtschaftlicheren Betrieb des Hochleistungs-Slicers.In both described embodiments, the adjustment, the size of the tolerance range and the timing of the automatic adjustment can be adapted in many ways to the particular application. Overall, the invention allows time intervals between maintenance intervals and thus a more economical operation of the high-performance Slicers.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11, 11'11, 11 '
Schneidmessercutting blade
1313
Messerkopfcutter head
1515
Antriebdrive
1717
Schneidkopfcutting head
1919
Produktzuführungproduct feed
21, 21'21, 21 '
Produktriegelproduct Riegel
2323
Seitenanschlagside stop
2525
Produktscheibeproduct slice
2626
Messerschneideknife edge
2727
Schneidkantecutting edge
2929
Produktauflageproduct support
3131
Sensorsensor
3333
Verstelleinrichtungadjustment
3535
Kreisbahnorbit
SS
Schneidebenecutting plane
PP
Produktzuführrichtungproduct feed

Claims (15)

  1. A method for slicing food products, in particular by means of a high performance slicer,
    in which a product (21, 21') to be sliced is conveyed along a product feed direction (P) by means of a product feed (19) through a cutting plane (S) in which at least one automatically adjustable cutting blade (11, 11') moves in a rotary manner and/or a revolving manner,
    characterized in that
    the position of the cutting blade (11, 11') is automatically adjusted relative to the product (21, 21') for the optimization of the blade wear such that it is prevented that the same point of the blade edge is always incident on the product (21, 21') during cutting.
  2. A method in accordance with claim 1,
    characterized in that
    the automatic adjustment of the position takes place during the slicing.
  3. A method in accordance with claim 1 or claim 2,
    characterized in that
    the automatic adjustment of the position takes place continuously; or in that the automatic adjustment of the position takes place intermittently.
  4. A method in accordance with claim 3,
    characterized in that
    the automatic adjustment of the position respectively takes place following a predefined number of performed slices; and/or in that the automatic adjustment of the position takes place at predetermined time intervals, in particular at regular time intervals.
  5. A method in accordance with at least one of the preceding claims,
    characterized in that
    a degree of wear or a state of wear of the cutting blade (11, 11') is determined during the slicing and the automatic adjustment of the position takes place in dependence on the determined degree of wear or on the determined state of wear, with in particular the degree of wear or the state of wear of the cutting blade (11, 11') being determined in that a state of the product slices (25) cut off by means of the cutting blade (11, 11') is detected and/or a state of portions of product slices (25) produced during the slicing is detected.
  6. A method in accordance with claim 5,
    characterized in that
    the automatic adjustment of the position takes place on reaching a predefined degree of wear or state of wear.
  7. A method in accordance with at least one of the preceding claims,
    characterized in that
    the cutting blade (11, 11') is moved by means of an adjustment device (33) for the automatic adjustment of the position.
  8. A method in accordance with at least one of the preceding claims,
    characterized in that
    a blade head (13) including the cutting blade (11, 11') or a cutting head (17) is moved as a whole by means of an adjustment device (33) for the automatic adjustment of the position, wherein in particular the cutting head (17) includes a blade head (13), a rotary drive (15) for the blade head (13) and a cutting head housing.
  9. A method in accordance with at least one of the preceding claims,
    characterized in that
    at least one component of the product feed (19), in particular a product support (29), a side abutment (23) and/or cutting edge (27), holding, supporting and/or guiding the product (21, 21') is moved by means of an adjustment device (33) for the automatic adjustment of the position.
  10. A method in accordance with at least one of the preceding claims,
    characterized in that
    the position of the cutting blade (11, 11') is adjusted relative to the product (21, 21') in an adjustment direction or an adjustment plane running transverse to the product feed direction (P).
  11. A method in accordance with at least one of the preceding claims,
    characterized in that
    the position of the cutting blade (11, 11') is adjusted relative to the product (21, 21') within a range of tolerances which is defined by those positions in which an acceptable slicing result is achievable.
  12. A method in accordance with at least one of the preceding claims,
    characterized in that
    the automatic adjustment of the position is repeatedly performed between predefined positions and/or along a predefined track.
  13. An apparatus for slicing food products, in particular a high performance slicer, which is in particular adapted to carry out the method in accordance with any one of the preceding claims,
    having a product feed (19) which conveys a product (21, 21') to be sliced along a product feed direction (P) through a cutting plane (S) in which at least one cutting blade (11, 11') moves, in particular in a rotary manner and/or a revolving manner, wherein the position of the cutting blade (11, 11') is automatically adjustable relative to the product (21, 21') by means of an adjustment device (33),
    characterized in that
    a control unit is provided which is designed to automatically adjust the position of the cutting blade (11, 11') for the optimization of the blade wear such that it is prevented that the same point of the blade edge is always incident on the product (21, 21') during cutting.
  14. An apparatus in accordance with claim 13,
    characterized in that
    the adjustment device (33) is designed to move the cutting blade (11, 11') or a blade head (13) including the cutting blade or a cutting head (17) relative to the product (21, 21').
  15. An apparatus in accordance with claim 13 or claim 14,
    characterized in that
    at least one sensor (31) is provided which is connected to the control device to detect a degree of wear or a state of wear of the cutting blade (11, 11'); and/or in that at least one sensor (31) is provided which is connected to the control device to monitor a state of the product slices (25) cut off by means of the cutting blade (11, 11') and/or to monitor a state of portions of cut-off product slices (25) during the slicing.
EP20110002383 2010-03-25 2011-03-22 Method and device for cutting food products Active EP2368677B1 (en)

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EP2368677A1 (en) 2011-09-28
US8931382B2 (en) 2015-01-13
US20110232440A1 (en) 2011-09-29

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