EP1165295B1 - Method and device for slicing food products - Google Patents

Method and device for slicing food products Download PDF

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Publication number
EP1165295B1
EP1165295B1 EP00915186A EP00915186A EP1165295B1 EP 1165295 B1 EP1165295 B1 EP 1165295B1 EP 00915186 A EP00915186 A EP 00915186A EP 00915186 A EP00915186 A EP 00915186A EP 1165295 B1 EP1165295 B1 EP 1165295B1
Authority
EP
European Patent Office
Prior art keywords
feed unit
product
accordance
collection area
slicing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00915186A
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German (de)
French (fr)
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EP1165295A1 (en
Inventor
Günther Weber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weber Maschinenbau GmbH Breidenbach
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BIFORCE Anstalt
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Publication of EP1165295A1 publication Critical patent/EP1165295A1/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
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S209/00—Classifying, separating, and assorting solids
    • Y10S209/918—Swinging or rotating pusher feeding item
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/929—Particular nature of work or product
    • Y10S83/932—Edible
    • 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
    • Y10T83/0448—With subsequent handling [i.e., of product]
    • Y10T83/0467—By separating products from each other
    • 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
    • Y10T83/0476—Including stacking of plural workpieces
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2033—Including means to form or hold pile of product pieces
    • Y10T83/2037—In stacked or packed relation
    • Y10T83/2046—Including means to move stack bodily
    • Y10T83/2048—By movement of stack holder
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2074—Including means to divert one portion of product from another
    • Y10T83/2083—Deflecting guide
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2192—Endless conveyor
    • Y10T83/2194—And means to remove product therefrom
    • 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
    • Y10T83/525—Operation controlled by detector means responsive to work
    • Y10T83/533—With photo-electric work-sensing 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
    • Y10T83/525—Operation controlled by detector means responsive to work
    • Y10T83/541—Actuation of tool controlled in response to work-sensing means
    • Y10T83/543—Sensing means responsive to work indicium or irregularity

Definitions

  • the invention relates to a method and a device for slicing of food products in the form of meat, sausage, cheese and the like.
  • a slicing device in particular a slicer
  • the products being sliced and for further processing by means of a conveyor in portions from an adjacent to Slicing device located collection area are transported away
  • a first conveyor unit with essentially as a collecting area uses the maximum length of a full serving of customizable length and one at the beginning and one at the end of a product slicing process resulting incomplete portion after a Intermediate positioning in a parking position and a return in the collection area by after the start of another product cutting process emerging, definable requirements are sufficient Slices is completed.
  • the object of the present invention is a method and an apparatus for slicing food products to create that a significant increase in the economy of the slicing process enables and ensures that in the course of a product cutting process only flawless criteria that can be specified Portions are formed.
  • this object is essentially achieved by that the non-branchable schnitzel of the small slices by swiveling the first conveyor unit downwards be flung out that during the product slicing process a cut surface of the
  • the product is then monitored to determine whether it has at least definable size criteria for the delivery of a disc to be cut next in an incomplete portion, and if these criteria are not met the product cutting process is interrupted and at the same time the Difference between an actual and a setpoint one the complete Portion defining size is recorded as the incomplete portion with detection of the displacement into the parking position on a the second conveyor unit connected to the first conveyor unit is conveyed, that then during the slicing process of the next product of the same type, in turn, the cut surface is monitored and when reached the incomplete portion according to the defined criteria the detected displacement path again in the correct position in the collection area is returned and completed, and that finally the completed one Portion through synchronization of at least the first conveyor unit with further conveyor elements of the conveyor in the conveying direction is funded from the collection
  • the proposed one is of essential importance for the invention Cut surface monitoring in connection with transport incomplete portions in a parking position from which this is incomplete Portion again for perfect positioning in the collection area is returned if in the course of further slicing of products as part of the cut surface monitoring will that after a phase of formation of the portion in question unsuitable panes product slices are available again, which are suitable for portion completion.
  • the method according to the invention is suitable both for the formation of shingled Servings as well as to form batch servings since it is particular using incrementally controlled drives in conjunction is possible with an exact displacement movement, one in the Partial portion transferred into the parking position is then precisely evaluated again to lead the cached data back to the collection area, that the next slice suitable for completing the portion is placed exactly at the corresponding target position of the portion.
  • Fig. 1 shows schematically a slicer 12 with a cutting head 52, which is designed in a known manner, via a drive unit 56 has circulating cutting member 50.
  • a cutting head 52 which is designed in a known manner, via a drive unit 56 has circulating cutting member 50.
  • a cutting element a planetary rotating circular knife or provided a sickle knife.
  • the feeding of the food product 10 to be cut in each case takes place via a product feed 48 which is inclined with respect to the horizontal is arranged.
  • a first conveyor unit 20 is located below the cutting member a collection area 18 for those arising in the course of the slicing process Forms disks 14.
  • This first conveyor unit 20 acts it is a drivable, precisely controllable in its movements Belt conveyor, the length of which is selected so that the desired in each case on it shingled portions can be formed.
  • To the end 46 of this first conveying device 16 is followed immediately by one second conveyor 34, which is also precisely controlled in its movements and also in terms of movement with the first conveyor 16 can be synchronized.
  • This second conveyor 34 forms a so-called parking position 28, in which an incomplete portion was taken up for temporary storage can be.
  • the two conveyors are expedient 16, 34 formed identically.
  • the second conveyor unit 34 is followed by a finished one for removal of the finished product Serving conveyor element 36, which is usually also is designed as a belt conveyor.
  • Fig. 1 shows a product slicing process in a phase due to the constancy of the cross-sectional shape of the product 10 essentially equally large disks 14 are obtained, forming a Stack fall on the first conveyor unit 20.
  • the conveyor unit 20 can be at rest during the batching process, continuously or discontinuously from an upper position to its lower basic position be transferred and / or slightly during the stacking process can be moved forwards or backwards to form an exact stack To ensure dependency on the products to be cut.
  • the stack will start from the first Conveying device 16 transferred to the second conveyor unit 34 and can then forwarded in the conveying direction 38 to the conveying unit 36 be so that by appropriate control of the overall conveyor 16 can achieve a sequence of stacks 24, preferably have the same mutual distance and in the conveying direction 38 have a certain maximum length 22, the latter especially at shingled servings is important. If you approach the slicing process the end of a product or you cut the beginning of a new product, then the optoelectronic unit recognizes that chips or small slices 44 are formed, which with respect their outline shape or size does not meet the respective requirements correspond. As long as the optoelectronic unit 40 such Target values of the required slices do not correspond to chips or Discs is detected by pivoting the first conveyor 20 ensures that these chips or small disks 44 are removed and get into a collection container.
  • the incomplete portion currently being formed - as shown in Fig. 1b can be seen - from the first conveyor unit 20 to the second conveyor unit 34 transferred to a parking position 28.
  • the shift path 32 exactly recorded and stored, so that when the optoelectronic Unit 40 in the course of cutting the product 10 the first correct Disc 10 detects or their occurrence after certain can predict further steps, an immediate or timed Return of the incomplete portion 26 to the collection area the first conveyor 20, this conveyor 20 is returned to its basic position.
  • Fig. 1c shows the time of return of the incomplete portion 26 in the collection area 18.
  • Fig. 1d it can be seen that after the return of the incomplete Serving a completion of this serving by means of further, the predetermined target value taking into account disks 14, and accurate, because the return of the initially incomplete Portion in the collection area 18 using the buffered Data is made so that the incomplete portion is exact in the position from which it was transferred to the parking position is. This can be done using incremental control or by using Scanning systems.
  • the unusable Schnitzel or small slices 44 by pivoting the first conveyor unit 20 discharged downwards.
  • This removal of not usable chips and small slices can also on any another type, e.g. by running the conveyor unit 20 backwards or by swiveling in and then swiveling out one suitable collecting area.

Landscapes

  • 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)
  • Formation And Processing Of Food Products (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Dairy Products (AREA)

Abstract

The invention relates to a method and to a device that allows portions of similar slices to be obtained even if the product that is sliced is changed. To this end, the slice surface is monitored. Incomplete portions are transferred to a park position subject to the slice surface monitoring. The incomplete portions are transported in a positionally accurate manner from the park position back to the collecting zone if the slice surface monitoring element detects that slices are available that match the portion.

Description

Die Erfindung betrifft ein Verfahren sowie eine Vorrichtung zum Aufschneiden von Lebensmittelprodukten in Form von Fleisch, Wurst, Käse und dgl. mittels einer Aufschneidevorrichtung, insbesondere eines Slicers, wobei die Produkte in Scheiben geschnitten und zur Weiterverarbeitung mittels einer Fördereinrichtung portionsweise aus einem benachbart zur Aufschneidevorrichtung gelegenen Sammelbereich abtransportiert werden, wobei als Sammelbereich eine erste Fördereinheit mit im wesentlichen an die Maximallänge einer vollständigen Portion anpaßbaren Länge verwendet wird, und wobei eine sich jeweils zu Beginn und am Ende eines Produktaufschneidevorganges ergebende unvollständige Portion nach einer Zwischenpositionierung in einer Parkposition und einer Rückführung in den Sammelbereich durch nach dem Beginn eines weiteren Produktaufschneidevorganges entstehende, festlegbaren Anforderungen genügende Scheiben komplettiert wird.The invention relates to a method and a device for slicing of food products in the form of meat, sausage, cheese and the like. by means of a slicing device, in particular a slicer, the products being sliced and for further processing by means of a conveyor in portions from an adjacent to Slicing device located collection area are transported away, a first conveyor unit with essentially as a collecting area uses the maximum length of a full serving of customizable length and one at the beginning and one at the end of a product slicing process resulting incomplete portion after a Intermediate positioning in a parking position and a return in the collection area by after the start of another product cutting process emerging, definable requirements are sufficient Slices is completed.

Lebensmittelprodukte, insbesondere in Form von Fleisch, Wurst, Schinken, Käse u.dgl. werden in sehr großen Mengen industriell mittels sogenannter Slicer aufgeschnitten und portionsweise verpackt. Moderne Slicer sind dabei in der Lage, pro Minute weit mehr als 500 Schnitte auszuführen, wobei es in Abhängigkeit der Bewegung der jeweiligen Auffangfläche der einzelnen Scheiben möglich ist, Portionen in geschindelter Form oder in Stapelform zu bilden und jeweils sehr schnell zur Weiterverarbeitung aus dem jeweiligen Sammelbereich abzuführen. In der Praxis wird dabei nicht nur gefordert, daß die einzelnen Portionen gewichtsgenau gebildet werden, sondern die jeweiligen Portionen müssen ein einwandfreies und qualitativ hochwertiges Erscheinungsbild aufweisen, was gleichbedeutend damit ist, daß die einzelnen Scheiben einer Portion in ihren Abmessungen nicht zu sehr voneinander abweichen dürfen.Food products, in particular in the form of meat, sausage, ham, Cheese and the like are industrially produced in very large quantities using so-called Slicer cut open and packed in portions. Modern slicers are able to make far more than 500 cuts per minute, where it depends on the movement of the respective collecting area of the individual slices is possible, portions in shingled form or to form in stack form and very quickly for further processing from the respective collection area. In practice, it will not only required that the individual portions be formed to the exact weight , but the respective portions must be perfect and have high quality appearance, which is synonymous so that the individual slices of a serving in their dimensions must not differ too much from one another.

Solche unerwünschten Abweichungen im Erscheinungsbild, d.h. im Regelfall in der Größe der Scheiben treten vor allem beim Übergang von einem aufgeschnittenen Produkt zum nächsten aufzuschneidenden Produkt, d.h. bei einem Produktwechsel auf. Bei einem solchen Produktwechsel kommt es häufig vor, daß die für die gerade aufgeschnittene Portion noch zur Verfügung stehende Produktrestmenge nicht mehr ausreicht, um die für die Portion geforderte Scheibenanzahl zu erreichen und außerdem verändert sich bei vielen Produkten zum Produktende hin die Querschnittsfläche so stark, daß zu kleine Scheiben entstehen, die die an die zu bildenden Portionen gestellten Anforderungen hinsichtlich des geforderten Erscheinungsbildes nicht mehr erfüllen. Um die jeweiligen Qualitäts- und Genauigkeitsanforderungen erfüllen zu können, ist es demzufolge immer noch üblich, Kontrollpersonen zur ständigen Überprüfung der gebildeten Portionen einzusetzen, die dafür sorgen müssen, daß nicht akzeptable Portionen aus dem Produktionsvorgang ausgeschleust oder manuell korrigiert werden.Such undesirable variations in appearance, i.e. as a general rule in the size of the panes occur especially at the transition from one cut product to the next product to be cut, i.e. when changing the product. With such a product change it often happens that for the portion just cut open remaining product quantity is no longer sufficient to to achieve the number of slices required for the portion and also The cross-sectional area of many products changes towards the end of the product so strong that too small disks are formed that are attached to the portions to be formed with regard to the required Appearance no longer meet. To the respective quality and, therefore, being able to meet accuracy requirements still common to control people for constant review of the formed portions to use, which must ensure that unacceptable Portions removed from the production process or manually Getting corrected.

Aufgabe der vorliegenden Erfindung ist es, ein Verfahren und eine Vorrichtung zum Aufschneiden von Lebensmittelprodukten zu schaffen, das eine wesentliche Erhöhung der Wirtschaftlichkeit des Aufschneidevorgangs ermöglicht und sicherstellt, daß im Zuge eines Produktaufschneidevorgangs ausschließlich einwandfreie, vorgebbaren Kriterien entsprechende Portionen gebildet werden.The object of the present invention is a method and an apparatus for slicing food products to create that a significant increase in the economy of the slicing process enables and ensures that in the course of a product cutting process only flawless criteria that can be specified Portions are formed.

Gelöst wird diese Aufgabe nach der Erfindung im wesentlichen dadurch, daß die nicht branchbaren Schnitzel der Kleinscheiben durch Abschwenken der ersten Fördereinheit nach unten ausgeschlenst werden, daß während des Produktaufschneidevorganges eine Schnittfläche des Produktes daraufhin überwacht wird, ob sie zumindest festlegbaren Größenkriterien für die Abgabe einer als nächstes abzuschneidenden Scheibe in eine unvollständige Portion erfüllt, und bei Nichterfüllung dieser Kriterien der Produktaufschneidevorgang unterbrochen und gleichzeitig die Differenz zwischen einem Ist- und einem Sollwert einer die vollständige Portion definierenden Größe registriert wird, daß die unvollständige Portion unter Erfassung des Verschiebeweges in die Parkposition auf eine mit der ersten Fördereinheit verbundene zweite Fördereinheit gefördert wird, daß dann während des Produktaufschneidevorganges des nächsten Produktes gleicher Art wiederum die Schnittfläche überwacht und bei Erreichen der festgelegten Kriterien die unvollständige Portion entsprechend dem erfaßten Verschiebeweg wieder positionsgenau in den Sammelbereich zurückgeführt und komplettiert wird, und daß schließlich die verkomplettierte Portion durch Synchronisation zumindest der ersten Fördereinheit mit weiteren Förderelementen der Fördereinrichtung in Förderrichtung aus dem Sammelbereich gefördert wird.According to the invention, this object is essentially achieved by that the non-branchable schnitzel of the small slices by swiveling the first conveyor unit downwards be flung out that during the product slicing process a cut surface of the The product is then monitored to determine whether it has at least definable size criteria for the delivery of a disc to be cut next in an incomplete portion, and if these criteria are not met the product cutting process is interrupted and at the same time the Difference between an actual and a setpoint one the complete Portion defining size is recorded as the incomplete portion with detection of the displacement into the parking position on a the second conveyor unit connected to the first conveyor unit is conveyed, that then during the slicing process of the next product of the same type, in turn, the cut surface is monitored and when reached the incomplete portion according to the defined criteria the detected displacement path again in the correct position in the collection area is returned and completed, and that finally the completed one Portion through synchronization of at least the first conveyor unit with further conveyor elements of the conveyor in the conveying direction is funded from the collection area.

Von wesentlicher Bedeutung für die Erfindung ist demgemäß die vorgesehene Schnittflächenüberwachung in Verbindung mit dem Transportieren unvollständiger Portionen in eine Parkposition, aus der diese unvollständige Portion wieder zur Verkomplettierung in den Sammelbereich positionsgenau rückgeführt wird, wenn im Zuge des weiteren Aufschneidens von Produkten im Rahmen der Schnittflächenüberwachung festgestellt wird, daß nach einer Phase der Bildung von für die betreffende Portion nicht geeigneten Scheiben wieder Produktscheiben zur Verfügung stehen, die zur Portionsvervollständigung geeignet sind.Accordingly, the proposed one is of essential importance for the invention Cut surface monitoring in connection with transport incomplete portions in a parking position from which this is incomplete Portion again for perfect positioning in the collection area is returned if in the course of further slicing of products as part of the cut surface monitoring will that after a phase of formation of the portion in question unsuitable panes product slices are available again, which are suitable for portion completion.

Das erfindungsgemäße Verfahren eignet sich sowohl zur Bildung geschindelter Portionen als auch zur Bildung von Stapelportionen, da es insbesondere unter Verwendung von inkremental gesteuerten Antrieben in Verbindung mit einer exakten Verschiebewegerfassung möglich ist, eine in die Parkposition übergeführte Teilportion so exakt wieder unter Auswertung der zwischengespeicherten Daten zurück in den Sammelbereich zu führen, daß die nächste zur Verkomplettierung der Portion geeignete Scheibe genau an der ihr entsprechenden Sollposition der Portion abgelegt wird.The method according to the invention is suitable both for the formation of shingled Servings as well as to form batch servings since it is particular using incrementally controlled drives in conjunction is possible with an exact displacement movement, one in the Partial portion transferred into the parking position is then precisely evaluated again to lead the cached data back to the collection area, that the next slice suitable for completing the portion is placed exactly at the corresponding target position of the portion.

Es wird demgemäß nicht nur sichergestellt, daß durch geeignete Vorschubsteuerung in der Produktzuführung gewichtskonstante Portionen erhalten werden, sondern es wird vor allem auch erreicht, daß Portionen gebildet werden, innerhalb derer das Erscheinungsbild der die Portion bildenden Scheiben weitestgehend gleich ist bzw. nur innerhalb eines vorgebbaren Toleranzbereichs Abweichungen aufweist. Damit gelingt es, eine qualitativ äußerst hochwertige Portionsbildung automatisch und ohne manuelle Korrekturen bei hoher Wirtschaftlichkeit zu gewährleisten.Accordingly, it is not only ensured that suitable feed control portions of constant weight in the product feed be obtained, but above all it is achieved that portions are formed within which the appearance of the portion forming Slices is largely the same or only within a predetermined Tolerance range deviations. So it succeeds high quality portion formation automatically and without to ensure manual corrections with high efficiency.

Eine erfindungsgemäße Vorrichtung zur Durchführung des Verfahrens ist im Anspruch 9 beschrieben.An inventive device for performing the The method is described in claim 9.

Besonders vorteilhafte Ausgestaltungen der Erfindung sind insbesondere auch in den Unteransprüchen angegeben.Particularly advantageous configurations of the invention are in particular also specified in the subclaims.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend unter Bezugnahme auf die Zeichnung erläutert; in der Zeichnung zeigen

die Fig. 1a bis 1d
eine schematische Darstellung eines Slicers mit nachgeschalteten Fördereinrichtungen und einer optoelektronischen Einheit zur Schnittflächenüberwachung.
An embodiment of the invention is explained below with reference to the drawing; show in the drawing
1a to 1d
is a schematic representation of a slicer with downstream conveyors and an optoelectronic unit for cutting surface monitoring.

Fig. 1 zeigt in schematischer Weise einen Slicer 12 mit einem Schneidkopf 52, der ein in bekannter Weise ausgeführtes, über eine Antriebseinheit 56 in Umlauf versetztes Schneidorgan 50 aufweist. Beispielsweise ist als Schneidorgan ein planetarisch umlaufendes, angetriebenes Kreismesser oder ein Sichelmesser vorgesehen.Fig. 1 shows schematically a slicer 12 with a cutting head 52, which is designed in a known manner, via a drive unit 56 has circulating cutting member 50. For example, as Cutting element a planetary rotating circular knife or provided a sickle knife.

Die Zuführung des jeweils aufzuschneidenden Lebensmittelproduktes 10 erfolgt über eine Produktzuführung 48, die bezüglich der Horizontalen geneigt angeordnet ist.The feeding of the food product 10 to be cut in each case takes place via a product feed 48 which is inclined with respect to the horizontal is arranged.

Unterhalb des Schneidorgans befindet sich eine erste Fördereinheit 20, die einen Sammelbereich 18 für die im Verlauf des Aufschneidevorganges entstehenden Scheiben 14 bildet. Bei dieser ersten Fördereinheit 20 handelt es sich um einen antreibbaren, in seinen Bewegungen exakt steuerbaren Bandförderer, dessen Länge so gewählt ist, daß auf ihm die jeweils gewünschten geschindelten Portionen gebildet werden können. Auf das Ende 46 dieser ersten Fördereinrichtung 16 folgt unmittelbar benachbart eine zweite Fördereinrichtung 34, die ebenfalls in ihren Bewegungen exakt gesteuert und bewegungsmäßig auch mit der ersten Fördereinrichtung 16 synchronisiert werden kann.A first conveyor unit 20 is located below the cutting member a collection area 18 for those arising in the course of the slicing process Forms disks 14. This first conveyor unit 20 acts it is a drivable, precisely controllable in its movements Belt conveyor, the length of which is selected so that the desired in each case on it shingled portions can be formed. To the end 46 of this first conveying device 16 is followed immediately by one second conveyor 34, which is also precisely controlled in its movements and also in terms of movement with the first conveyor 16 can be synchronized.

Diese zweite Fördereinrichtung 34 bildet eine sogenannte Parkposition 28, in der zur Zwischenspeicherung eine unvollständige Portion aufgenommen werden kann. Zweckmäßigerweise sind die beiden Fördereinrichtungen 16, 34 identisch ausgebildet.This second conveyor 34 forms a so-called parking position 28, in which an incomplete portion was taken up for temporary storage can be. The two conveyors are expedient 16, 34 formed identically.

Auf die zweite Fördereinheit 34 folgt ein zur Abführung der gebildeten fertigen Portionen dienendes Förderelement 36, das üblicherweise ebenfalls als Bandförderer ausgebildet ist.The second conveyor unit 34 is followed by a finished one for removal of the finished product Serving conveyor element 36, which is usually also is designed as a belt conveyor.

In einer die Betrachtung der Schnittfläche 30 des jeweils aufzuschneidenden Produkts 10 geeigneten Position ist eine optoelektronische Einheit 40 vorgesehen, welche es gestattet, eine definierte Flächenüberwachung bzw. eine Überwachung der Schnittfläche innerhalb vorgebbarer Toleranzbereiche durchzuführen. Geeignete elektronische Geräte stehen in der Praxis zur Verfügung, und sie besitzen auch die für diesen Anwendungszweck erforderlichen hohen Signalverarbeitungs- und Auswertegeschwindigkeiten.In a consideration of the cut surface 30 of the part to be cut open Product 10 suitable position is an optoelectronic unit 40 provided, which allows a defined area monitoring or monitoring of the cut surface within predefined tolerance ranges perform. Suitable electronic devices are in practice available, and they also have those for this application required high signal processing and evaluation speeds.

Nachfolgend wird die Arbeitsweise nach dem erfindungsgemäßen Verfahren anhand der Fig. 1a bis 1d erläutert.The method of operation according to the method according to the invention is described below explained with reference to FIGS. 1a to 1d.

Fig. 1 zeigt einen Produkt-Aufschneidevorgang in einer Phase, bei der aufgrund der Konstanz der Querschnittsform des Produkts 10 im wesentlichen gleich große Scheiben 14 erhalten werden, die unter Bildung eines Stapels auf die erste Fördereinheit 20 fallen. Die Fördereinheit 20 kann während des Stapelbildungsvorgangs in Ruhe sein, kontinuierlich oder diskontinuierlich aus einer oberen Stellung in ihre untere Grundstellung überführt werden und/oder während des Stapelbildungsvorgangs geringfügig vor- oder rückwärts bewegt werden, um eine exakte Stapelbildung in Abhängigkeit von den jeweils aufzuschneidenden Produkten zu gewährleisten.Fig. 1 shows a product slicing process in a phase due to the constancy of the cross-sectional shape of the product 10 essentially equally large disks 14 are obtained, forming a Stack fall on the first conveyor unit 20. The conveyor unit 20 can be at rest during the batching process, continuously or discontinuously from an upper position to its lower basic position be transferred and / or slightly during the stacking process can be moved forwards or backwards to form an exact stack To ensure dependency on the products to be cut.

Ist der geforderte Produktstapel fertiggestellt und ist die Anzahl der im Stapel geforderten Scheiben erreicht, dann wird der Stapel von der ersten Fördereinrichtung 16 auf die zweite Fördereinheit 34 überführt und kann dann weiter in Förderrichtung 38 auf die Fördereinheit 36 weitergeleitet werden, so daß sich durch entsprechende Steuerung der Gesamt-Fördereinrichtung 16 eine Folge von Stapeln 24 erzielen läßt, die vorzugsweise gleichen gegenseitigen Abstand aufweisen und in Förderrichtung 38 eine bestimmte maximale Länge 22 besitzen, wobei letzteres vor allem bei geschindelten Portionen von Bedeutung ist. Nähert man sich beim Aufschneidvorgang dem Ende eines Produktes oder schneidet man den Anfang eines neuen Produktes auf, dann erkennt die optoelektronische Einheit, daß Schnitzel oder Kleinscheiben 44 gebildet werden, die hinsichtlich ihrer Umrißform bzw. Größe nicht den jeweils vorliegenden Anforderungen entsprechen. Solange die optoelektronische Einheit 40 derartige, den Sollwerten der geforderten Scheiben nicht entsprechende Schnitzel oder Scheiben feststellt, wird durch Abschwenken der ersten Fördereinrichtung 20 sichergestellt, daß diese Schnitzel oder Kleinscheiben 44 ausgeschleust werden und in einen Sammelbehälter gelangen.Is the required product stack completed and is the number of in Stack of requested slices is reached, then the stack will start from the first Conveying device 16 transferred to the second conveyor unit 34 and can then forwarded in the conveying direction 38 to the conveying unit 36 be so that by appropriate control of the overall conveyor 16 can achieve a sequence of stacks 24, preferably have the same mutual distance and in the conveying direction 38 have a certain maximum length 22, the latter especially at shingled servings is important. If you approach the slicing process the end of a product or you cut the beginning of a new product, then the optoelectronic unit recognizes that chips or small slices 44 are formed, which with respect their outline shape or size does not meet the respective requirements correspond. As long as the optoelectronic unit 40 such Target values of the required slices do not correspond to chips or Discs is detected by pivoting the first conveyor 20 ensures that these chips or small disks 44 are removed and get into a collection container.

Bevor dieses Abschwenken der ersten Fördereinheit 20 und das Ausschleusen nicht brauchbarer Schnitzel und Kleinscheiben erfolgt, wird die sich gerade in Bildung befindende unvollständige Portion - wie dies in Fig. 1b zu sehen ist - von der ersten Fördereinheit 20 auf die zweite Fördereinheit 34 in eine Parkposition 28 überführt. Dabei wird der Verschiebeweg 32 exakt erfaßt und gespeichert, so daß dann, wenn die optoelektronische Einheit 40 im Zuge des Aufschneidens des Produktes 10 die erste ordnungsgemäße Scheibe 10 feststellt oder deren Auftreten nach bestimmten weiteren Schritten vorhersagen kann, eine sofortige bzw. zeitlich definierte Rückführung der unvollständigen Portion 26 in den Sammelbereich auf der ersten Fördereinrichtung 20 erfolgt, wobei diese Fördereinrichtung 20 wieder in ihre Grundposition zurückgeführt ist.Before this pivoting of the first conveyor unit 20 and the discharge not usable schnitzel and small slices, the incomplete portion currently being formed - as shown in Fig. 1b can be seen - from the first conveyor unit 20 to the second conveyor unit 34 transferred to a parking position 28. The shift path 32 exactly recorded and stored, so that when the optoelectronic Unit 40 in the course of cutting the product 10 the first correct Disc 10 detects or their occurrence after certain can predict further steps, an immediate or timed Return of the incomplete portion 26 to the collection area the first conveyor 20, this conveyor 20 is returned to its basic position.

Fig. 1c zeigt den Zeitpunkt der Rückführung der unvollständigen Portion 26 in den Sammelbereich 18.Fig. 1c shows the time of return of the incomplete portion 26 in the collection area 18.

In Fig. 1d ist zu erkennen, daß nach erfolgter Rückführung der unvollständigen Portion eine Verkomplettierung dieser Portion mittels weiterer, dem vorgegebenen Sollwert Rechnung tragenden Scheiben 14 erfolgt, und zwar positionsgenau, da die Rückführung der zunächst unvollständigen Portion in den Sammelbereich 18 unter Ausnutzung der zwischengespeicherten Daten so vorgenommen wird, daß die unvollständige Portion exakt in die Position gelangt, aus der sie in die Parkposition überführt worden ist. Dies kann mittels Inkrementalsteuerung oder auch durch Einsatz von Abtastsystemen erfolgen.In Fig. 1d it can be seen that after the return of the incomplete Serving a completion of this serving by means of further, the predetermined target value taking into account disks 14, and accurate, because the return of the initially incomplete Portion in the collection area 18 using the buffered Data is made so that the incomplete portion is exact in the position from which it was transferred to the parking position is. This can be done using incremental control or by using Scanning systems.

Wie der Fig. 1d auch zu entnehmen ist, kann durch entsprechende Steuerung der Gesamt-Fördereinrichtung und das entsprechende Zusammenwirken der Teil-Fördereinheiten auch im Falle einer erforderlich gewordenen Verkomplettierung einer zunächst unvollständigen Portion sichergestellt werden, daß der gegenseitige Abstand der auf der Abführungs-Fördereinheit 36 gebildeten Portionen stets konstant ist, was die Weiterverarbeitung und insbesondere Verpackung der Portionen erleichtert. As can also be seen from FIG. 1d, by appropriate control of the overall conveyor and the corresponding interaction of the partial conveyor units also in the event of a need Completion of an initially incomplete portion ensured that the mutual distance of the on the discharge conveyor 36 portions formed is always constant, what the further processing and in particular packaging of the portions facilitated.

Im geschilderten Ausführungsbeispiel werden die nicht brauchbaren Schnitzel oder Kleinscheiben 44 durch Abschwenken der ersten Fördereinheit 20 nach unten ausgeschleust. Diese Ausschleusung von nicht brauchbaren Schnitzeln und Kleinscheiben kann aber auch auf beliebige andere Art erfolgen, z.B. durch einen Rückwärtslauf der Fördereinheit 20 oder durch Einschwenken und anschließendes Herausschwenken einer geeigneten Auffangfläche.In the described embodiment, the unusable Schnitzel or small slices 44 by pivoting the first conveyor unit 20 discharged downwards. This removal of not usable chips and small slices can also on any another type, e.g. by running the conveyor unit 20 backwards or by swiveling in and then swiveling out one suitable collecting area.

Um bei hohen und sehr hohen Schnittgeschwindigkeiten einwandfreie Portionsbildungen, zu gewährleisten, können zwischen den einzelnen Portionen bzw. auch in der Phase der Überführung einer unvollständigen Portion in die Parkposition sowie deren Rückführung in den Sammelbereich Leerschnitte durchgeführt werden, wie dies in der einschlägigen Technik durch Steuerung der Produktzuführung bekannt ist.To be flawless at high and very high cutting speeds Portioning, to ensure, can be between the individual portions or in the phase of transferring an incomplete one Portion in the parking position and its return to the collection area Blank cuts are performed as indicated in the relevant Technology by controlling the product feed is known.

Claims (13)

  1. A method for the slicing of food products (10) in the form of meat, sausage, cheese and the like by means of a slicing apparatus (12), in particular by means of a slicer, wherein the products (10) are cut into slices (14) and transported away in portions for further processing from a collection area (18) disposed adjacent to the slicing apparatus (12) by means of a feeding device (16), with a first feed unit (20) having a length which can be substantially matched to the maximum length (22) of a complete portion (24) being used as the collection area (18) and with an incomplete portion (26) resulting in each case at the start and at the end of a product slicing procedure being completed after an intermediate positioning in a parking position (28) and a return into the collection area (18) by slices (14) produced after the start of a further product slicing procedure and meeting specifiable requirements, characterized in that the non-usable fragments of the small slices are discharged downwardly by downward pivoting of the first feed unit (20); in that a cut surface (30) of the product (10) is monitored during the product slicing procedure as to whether it at least meets determinable size criteria for the supply of a slice (14) to be sliced next into an incomplete portion (26) and, if these criteria are not met, the product slicing procedure is interrupted and simultaneously the difference is registered between an actual value and a desired value of a size defining the complete portion (24); in that the incomplete portion (26) is conveyed onto a second feed unit (34) connected to the first feed unit (20) into the parking position (28) while detecting the displacement path (32); in that the cut surface (30) is then again monitored during the product slicing procedure of the next product (10) of the same kind and, if the determined criteria are met, the incomplete portion (26) is again positionally accurately moved back into the collection area (18) in accordance with the detected displacement path (32) and completion is effected; and in that finally the completed portion (24') is conveyed out of the collection area (18) in the conveying direction (38) by synchronization of at least the first feed unit (20) with further feed elements (36) of the feeding device (16).
  2. A method in accordance with claim 1, characterized in that the positionally accurate return from the parking position (28) into the collection area (18) takes place on the basis of the detection and control of the conveyor times and conveyor speeds of the first feed unit (20) and of the second feed unit (34), with the drive of the feed units (20, 34) preferably taking place incrementally.
  3. A method in accordance with claim 1 or claim 2, characterized in that the incomplete portion (26) is conveyed in the conveying direction (38) from the collection area (18) into the parking position (28).
  4. A method in accordance with any one of claims 1 to 3, characterized in that the monitoring of the cut surface (30) takes place by means of at least one opto-electronic unit (40).
  5. A method in accordance with any one of claims 1 to 4, characterized in that incomplete slices (44) and fragments, which occur in each case at the start and at the end of the product slicing procedure and enter into the collection area (18), are removed from this, and indeed in particular by an end (46) of the first feed unit (20) disposed in the conveying direction (38) being pivoted out of its position.
  6. A method in accordance with claim 5, characterized in that the end (46) of the feed unit (20) is downwardly lowered.
  7. A method in accordance with any one of claims 1 to 6, characterized in that blank cuts are made at least during the return conveying of the incomplete portion (26) from the parking position (28) into the collection area (18).
  8. A method in accordance with any one of claims 1 to 7, characterized in that product ends occurring in the slicing apparatus (12) at the end of the product slicing procedure are removed therefrom in the form of residual pieces.
  9. An apparatus for the carrying out of the method of any one of claims 1 to 8 comprising a slicing apparatus (12) having a product feed supply device (48) and a cutting head (52) having a cutting element (50) as well as feeding devices (16) arranged at the product removal side, characterized in that at least one opto-electronic unit (40) is provided for the monitoring of a cut surface (30) produced in the slicing apparatus (12) and a first feed unit (20) is provided adjacent to the slicing apparatus (12) in the conveying direction (38), serves as a collection area (18) and is connected to a second feed unit (34) which serves as the parking position (28) and in that the first feed unit (20) is pivotable downwardly to discharge non-usable fragments and small slices.
  10. An apparatus in accordance with claim 9, characterized in that the second feed unit (34) is directly adjacent to the first feed unit (20) in the conveying direction (32) and at least one further feed element (36) of the feeding device (16) is preferably arranged adjacent to the second feed unit (34) in the conveying direction (32).
  11. An apparatus in accordance with claim 9 or claim 10, characterized in that the first feed unit (20) and the second feed unit (34) can be matched in their length to the maximum length (22) of a complete portion (24).
  12. An apparatus in accordance with any one of claims 9 to 11, characterized in that an end (46) of the first feed unit (20) disposed in the conveying direction (32) can be pivoted, in particularly downwardly lowered, from its original position in dependence on the cut surface monitoring.
  13. An apparatus in accordance with any one of claims 9 to 12, characterized in that the first feed unit (20) and the second feed unit (34) are formed as belt conveyors.
EP00915186A 1999-03-31 2000-03-21 Method and device for slicing food products Expired - Lifetime EP1165295B1 (en)

Applications Claiming Priority (3)

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DE19914707 1999-03-31
DE19914707A DE19914707A1 (en) 1999-03-31 1999-03-31 Method and appliance for slicing food incorporates feeder, cutter and head, opto-electronic unit, conveyor units and collector
PCT/EP2000/002503 WO2000059692A1 (en) 1999-03-31 2000-03-21 Method and device for slicing food products

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EP1165295A1 EP1165295A1 (en) 2002-01-02
EP1165295B1 true EP1165295B1 (en) 2002-10-16

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EP (1) EP1165295B1 (en)
JP (1) JP4435431B2 (en)
AT (1) ATE226129T1 (en)
AU (1) AU763974B2 (en)
DE (2) DE19914707A1 (en)
DK (1) DK1165295T3 (en)
ES (1) ES2181649T3 (en)
NO (1) NO326859B1 (en)
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WO (1) WO2000059692A1 (en)

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DK1165295T3 (en) 2003-02-17
EP1165295A1 (en) 2002-01-02
DE19914707A1 (en) 2000-10-05
ATE226129T1 (en) 2002-11-15
JP2002540968A (en) 2002-12-03
WO2000059692A1 (en) 2000-10-12
NO20014730L (en) 2001-11-30
AU3658500A (en) 2000-10-23
NO326859B1 (en) 2009-03-02
NO20014730D0 (en) 2001-09-28
JP4435431B2 (en) 2010-03-17
AU763974B2 (en) 2003-08-07
US6640681B1 (en) 2003-11-04
ES2181649T3 (en) 2003-03-01
PT1165295E (en) 2003-03-31

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