EP0739692A1 - Cutting device for food products - Google Patents

Cutting device for food products Download PDF

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Publication number
EP0739692A1
EP0739692A1 EP96104181A EP96104181A EP0739692A1 EP 0739692 A1 EP0739692 A1 EP 0739692A1 EP 96104181 A EP96104181 A EP 96104181A EP 96104181 A EP96104181 A EP 96104181A EP 0739692 A1 EP0739692 A1 EP 0739692A1
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EP
European Patent Office
Prior art keywords
cutting
guide
plane
cut
cutting knife
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.)
Granted
Application number
EP96104181A
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German (de)
French (fr)
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EP0739692B1 (en
Inventor
Karl-Heinz Krebs
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.)
ALPMA Alpenland Maschinenbau GmbH
Original Assignee
Alpenland Maschinenbau Hain & Co KG
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Publication of EP0739692A1 publication Critical patent/EP0739692A1/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
    • B26D7/26—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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D2210/00—Machines or methods used for cutting special materials
    • B26D2210/02—Machines or methods used for cutting special materials for cutting food products, e.g. food slicers

Definitions

  • the invention relates to a cutting device for food products, in particular for cheese, with a cutting knife movable along a guide held in a frame and feed means for producing a relative movement between the frame and a product support surface which is essentially perpendicular to the cutting plane.
  • the size of the force components acting perpendicular to the cutting plane is - in addition to the course of the knife grinding - primarily dependent on how far the partial areas of the food product lying in front of and behind the cutting plane extend in the conveying direction. If the extent of these partial areas on both sides of the cutting plane is approximately the same, the force components acting perpendicular to the cutting plane largely cancel each other out and a clean cut can be achieved without major problems.
  • a dodging or running of the cutting knife as a result of different force components acting perpendicular to the cutting plane is consciously accepted, but this dodging or running is compensated for by pivoting the guidance of the cutting knife in such a way that ultimately a clean, vertical cut running to the product support surface results.
  • the guidance of the cutting knife and thus the cutting plane will be slightly in the direction of the Bleed inclined so that the angle between The area of the product support surface and the cutting plane located under the gate is reduced and a deflection of the cutting knife in the direction of the gate is compensated for.
  • the cutting device according to the invention If it is desired to use the cutting device according to the invention to produce cut surfaces which do not run perpendicular to the cut material support surface, this is also possible since the guidance of the cutting knife can then be pivoted correspondingly with respect to the desired cut surface which runs inclined to the cut good support surface.
  • cutting surfaces running perpendicular to the product support surface are desired, in which case in a preferred embodiment of the cutting device according to the invention the cutting plane or the guidance of the cutting knife at a swivel angle of 0 ° runs perpendicular to the product support surface and in particular the swivel angle in a range of ⁇ 3 ° is adjustable.
  • the swivel angle is preferably infinitely adjustable.
  • the pivoting angle of the cutting knife guide can be adjusted in the described ways either before or during the execution of a cut. This setting is preferably made before or during each cut.
  • the swivel angle is set during the execution of a cut, it is in particular possible to regulate the swivel angle continuously, which may result in during a single cut changing forces on the cutting knife can be taken into account. This is particularly advantageous when cutting inhomogeneous food products.
  • FIG. 1 shows a cutting knife 1 with a bevel 2 arranged on its horizontal underside.
  • the cutting knife 1 is each connected to a guide sleeve 3 on its two side edges.
  • a guide rod 4 extends through the guide sleeves 3, these guide rods 4 running parallel to one another on the one hand and parallel to the cutting plane or the cutting knife 1 on the other hand.
  • the guide sleeves 3 and the cutting knife 1 connected to them can be displaced vertically in the direction of the arrow along the guide rods 4, this displacement movement being generated by a drive (not shown).
  • a cutting material support surface 5 is provided in the lower region thereof, which can be designed, for example, as a conveyor belt.
  • a food product 6 to be cut is located on the product support surface 5.
  • the guide rods 4 are connected above the cutting material support surface 5 at their upper ends so as to be pivotable about an axis A with a frame 7 which is only shown in regions in FIG.
  • the product support surface 5 is formed by the upper run of a conveyor belt 8.
  • the end of the actuating lever 9 facing away from the guide rod 4 is in turn pivotally connected to an angle lever 10 which is pivotally mounted about an axis of rotation B extending parallel to the pivot axis A.
  • the end of the angle lever 10 facing away from the actuating lever 9 is rotatably connected to the piston 11 of a cylinder-piston unit 12, the piston 13 of which is pivotally attached to a stationary part 14 which is not movable relative to the frame 7.
  • the guide rod 4 shown in FIG. 2 it extends perpendicular to the product support surface 5, such a setting being useful, for example, if cuts are to be made perpendicular to the product support surface 5 and it is expected that the cutting perpendicular to the cutting plane will affect the cutting knife 1 cancel the forces acting on each other, which is the case, for example, if the two partial areas lying in front of and behind the cutting plane are sufficiently large, in particular if their dimensions perpendicular to the cutting plane are at least 120 mm. A mutual cancellation of the acting forces is also given if the partial areas fall below the specified dimension, but are approximately the same size.
  • the guide rod 4 By acting on the cylinder-piston unit 12, the guide rod 4 can be pivoted through the angle ⁇ into the position shown in FIG. 3 if required.
  • the piston 11 moves into the cylinder 13, whereby this is pivoted clockwise due to the connection to the angle lever 10 pivotally mounted about the fixed axis B.
  • the angle lever 10 is pivoted counterclockwise, as a result of which the guide rod 4 is moved into the position shown in FIG. 3 via the actuating lever 9. In this position, the guide rod 4 is off the vertical in the direction of the cut portion of the food product 6 to be separated by the angle ⁇ .
  • the pivot position shown in FIG. 3 can be used, for example, if the portion of the food product 6 which is at the front in the conveying direction C is to be cut off.
  • the forces acting on the cutting knife 1 in the conveying direction C are greater than those forces acting counter to the conveying direction. This is due to the fact that the gate area of the food product 6 lying in front of the cutting plane in the conveying direction has smaller dimensions than the rest of the area lying behind the cutting plane.
  • the guide rod 4 For the separation of the gate or the front end portion of the food product 6, the guide rod 4 must therefore be pivoted about the axis A in a clockwise direction.
  • the guide rod 4 would have to be pivoted counter-clockwise from the vertical about the axis A.
  • the articulation mechanism acting on the guide rod 4 can also be arranged above the cutting surface 5 and the pivot axis A below or in the cutting surface 5.
  • the pivot axis A is arranged in the product support surface in such a way that it coincides with the cutting edge of the cutting knife 1 in its downward position, since in this case the cutting edge of the cutting knife 1 despite different pivoting positions of the Guide rod 4 always hits the same place on the cutting surface 5.
  • the cutting knife is arranged parallel to the guide plane defined by the axes of the guide rods and is acted upon by a crank rod, which can be driven by a crank which is arranged on the side of said guide plane facing away from the cutting knife, to generate the cutting movement .

Abstract

The mechanism is esp. for cheese (6). The knife (1) works in a guide (4) mounted in a frame (7), and a feed mechanism (8) generates relative movement between the frame and a supporting surface (5) for the material to be sliced. The knife and guide slew in the machine frame on an axis (A) parallel to the plane of cut and the supporting surface. With the slewing angle (alpha) at nil, the plane of cut can be at right angles to the work-supporting surface. The angle can be adjustable through +3 deg. and its adjustment can be stepless.

Description

Die Erfindung betrifft eine Schneidvorrichtung für Lebensmittelprodukte, insbesondere für Käse, mit einem entlang einer in einem Rahmen gehaltenen Führung beweglichen Schneidmesser und Vorschubmitteln zur Erzeugung einer im wesentlichen senkrecht zur Schneidebene gerichteten Relativbewegung zwischen dem Rahmen und einer Schneidgutauflagefläche.The invention relates to a cutting device for food products, in particular for cheese, with a cutting knife movable along a guide held in a frame and feed means for producing a relative movement between the frame and a product support surface which is essentially perpendicular to the cutting plane.

Bei derartigen Schneidvorrichtungen ist es problematisch, daß während des Schneidvorgangs auf das Schneidmesser neben den der Schneidbewegung entgegengerichteten Kräften auch Kräfte wirken, welche senkrecht zur Schneidebene verlaufende Komponenten aufweisen. Diese Kraftkomponenten können zu einem unerwünschten Ausweichen des Schneidmessers während des Schneidvorgangs führen, wodurch letztendlich eine unsaubere und unebene Schnittfläche entsteht.With such cutting devices, it is problematic that during the cutting process, in addition to the forces opposing the cutting movement, the cutting knife is also subjected to forces which have components running perpendicular to the cutting plane. These force components can lead to an undesired dodging of the cutting knife during the cutting process, which ultimately results in an unclean and uneven cutting surface.

Die Größe der senkrecht zur Schneidebene wirkenden Kraftkomponenten ist - neben dem Verlauf des Messeranschliffs - in erster Linie davon abhängig, wie weit sich die vor und hinter der Schneidebene liegenden Teilbereiche des Lebensmittelproduktes in Förderrichtung erstrecken. Falls die Erstreckung dieser Teilbereiche beiderseits der Schneidebene ungefähr gleich groß ist, heben sich die senkrecht zur Schneidebene wirkenden Kraftkomponenten weitgehend auf und die Erzielung eines sauberen Schnitts ist ohne größere Probleme möglich. Wenn die Längserstreckung des vor der Schneidebene liegenden Teilbereichs jedoch deutlich geringer als die Erstreckung des hinter der Schneidebene liegenden Teilbereichs ist - oder umgekehrt - sind die senkrecht zur Schneidebene in Richtung des Teilbereichs mit der geringeren Erstreckung wirkenden Kräfte größer als die diesen Kräften entgegengerichteten Kräfte, was dann zu dem erwähnten und unerwünschten Ausweichen des Schneidmessers führt.The size of the force components acting perpendicular to the cutting plane is - in addition to the course of the knife grinding - primarily dependent on how far the partial areas of the food product lying in front of and behind the cutting plane extend in the conveying direction. If the extent of these partial areas on both sides of the cutting plane is approximately the same, the force components acting perpendicular to the cutting plane largely cancel each other out and a clean cut can be achieved without major problems. However, if the longitudinal extent of the partial area lying in front of the cutting plane is significantly less than the extent of the partial area lying behind the cutting plane - or vice versa - the forces acting perpendicular to the cutting plane in the direction of the partial area with the smaller extension are greater than the forces opposing these forces, which is what then leads to the mentioned and undesirable dodging of the cutting knife.

Dieses Problem tritt insbesondere dann auf, wenn an einem größeren, blockförmigen Lebensmittelprodukt der Anfangs- bzw. Endabschnitt abzuschneiden ist, welcher im Zuge der Minimierung des entstehenden Ausschusses möglichst klein gehalten werden muß.This problem occurs in particular when the beginning or end section of a larger, block-shaped food product has to be cut off, which must be kept as small as possible in the course of minimizing the resulting rejects.

Es ist eine Aufgabe der Erfindung, eine Schneidvorrichtung der eingangs genannten Art so auszubilden, daß mit geringstmöglichem wirtschaftlichen Aufwand in jedem Fall, insbesondere beim Abschneiden von Anfangs- und Endabschnitten blockförmiger Lebensmittelprodukte, saubere, ebene und insbesondere auch exakt senkrecht zur Schneidgutauflagefläche verlaufende Schnittflächen erzielbar sind.It is an object of the invention to design a cutting device of the type mentioned at the outset in such a way that clean, flat and, in particular, cutting surfaces which run exactly perpendicular to the cutting material support surface can be achieved in any case, with the least possible economic outlay, in particular when cutting off beginning and end sections of block-shaped food products .

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die fest mit dem Schneidmesser verbundene Führung im Rahmen um eine parallel zur Schneidebene und parallel zur Schneidgutauflagefläche verlaufende Achse schwenkbar gelagert ist.This object is achieved in that the guide fixedly connected to the cutting knife is pivotally mounted in the frame about an axis running parallel to the cutting plane and parallel to the product support surface.

Erfindungsgemäß wird also ein Ausweichen bzw. Verlaufen des Schneidmessers infolge unterschiedlicher, senkrecht zur Schneidebene wirkender Kraftkomponenten bewußt in Kauf genommen, dieses Ausweichen bzw. Verlaufen jedoch dadurch kompensiert, daß die Führung des Schneidmessers in der Weise verschwenkt wird, daß sich letztendlich ein sauberer, senkrecht zur Schneidgutauflagefläche verlaufender Schnitt ergibt.According to the invention, a dodging or running of the cutting knife as a result of different force components acting perpendicular to the cutting plane is consciously accepted, but this dodging or running is compensated for by pivoting the guidance of the cutting knife in such a way that ultimately a clean, vertical cut running to the product support surface results.

Wenn also beispielsweise beim Abschneiden des Anschnitts von einem blockförmigen Lebensmittelprodukt erwartet bzw. festgestellt wird, daß die senkrecht zur Schneidebene in Richtung des Anschnitts wirkenden Kräfte größer sind als die diesen Kräften entgegenwirkenden Kräfte, wird die Führung des Schneidmessers und damit die Schneidebene geringfügig in Richtung des Anschnitts geneigt, so daß sich der Winkel zwischen dem unter dem Anschnitt befindlichen Bereich der Schneidgutauflagefläche und der Schneidebene verkleinert und ein Ausweichen des Schneidmessers in Richtung des Anschnitts kompensiert wird.If, for example, when cutting the gate from a block-shaped food product, it is expected or determined that the forces acting perpendicular to the cutting plane in the direction of the gate are greater than the forces opposing these forces, the guidance of the cutting knife and thus the cutting plane will be slightly in the direction of the Bleed inclined so that the angle between The area of the product support surface and the cutting plane located under the gate is reduced and a deflection of the cutting knife in the direction of the gate is compensated for.

Im Rahmen der Erfindung wurde folglich erkannt, daß die durch die Führung des Schneidmessers festgelegte Schneidebene und die tatsächlich erzielte Schnittfläche unter bestimmten Bedingungen nicht übereinstimmen, was dadurch ausgeglichen werden kann, daß die durch die Führung des Schneidmessers festgelegte Ebene in der Weise verstellt wird, daß die Abweichung dieser Ebene von der letztendlich erzielten Schnittfläche jeweils so groß ist, daß die Schnittfläche in der gewünschten Schnittflächenebene, insbesondere exakt senkrecht zur Schneidgutauflagefläche verläuft.It was therefore recognized in the context of the invention that the cutting plane defined by the guidance of the cutting knife and the cutting surface actually achieved do not match under certain conditions, which can be compensated for by adjusting the plane defined by the guidance of the cutting knife in such a way that the deviation of this plane from the cutting surface ultimately achieved is so large that the cutting surface runs in the desired cutting surface plane, in particular exactly perpendicular to the cutting surface.

Falls gewünscht wird, mit der erfindungsgemäßen Schneidvorrichtung Schnittflächen zu erzeugen, welche nicht senkrecht zur Schneidgutauflagefläche verlaufen, ist dies ebenfalls möglich, da dann die Führung des Schneidmessers gegenüber der gewünschten, geneigt zur Schneidgutauflagefläche verlaufenden Schnittfläche entsprechend verschwenkt werden kann. In der Regel werden jedoch senkrecht zur Schneidgutauflagefläche verlaufende Schnittflächen gewünscht, wobei in diesem Fall bei einer bevorzugten Ausführungsform der erfindungsgemäßen Schneidvorrichtung die Schneidebene bzw. die Führung des Schneidmessers bei einem Schwenkwinkel von 0° senkrecht zur Schneidgutauflagefläche verläuft und insbesondere der Schwenkwinkel in einem Bereich von ± 3° einstellbar ist. Bevorzugt ist der Schwenkwinkel dabei stufenlos verstellbar.If it is desired to use the cutting device according to the invention to produce cut surfaces which do not run perpendicular to the cut material support surface, this is also possible since the guidance of the cutting knife can then be pivoted correspondingly with respect to the desired cut surface which runs inclined to the cut good support surface. As a rule, however, cutting surfaces running perpendicular to the product support surface are desired, in which case in a preferred embodiment of the cutting device according to the invention the cutting plane or the guidance of the cutting knife at a swivel angle of 0 ° runs perpendicular to the product support surface and in particular the swivel angle in a range of ± 3 ° is adjustable. The swivel angle is preferably infinitely adjustable.

Es bestehen verschiedene, alternativ oder kombiniert einsetzbare Möglichkeiten, den Schwenkwinkel entsprechend den jeweiligen Anforderungen so einzustellen, daß eine in der gewünschten Ebene verlaufende Schnittfläche erzielt wird:

  • a) Der erforderliche Schwenkwinkel kann mittels eines oder mehrerer Probeschnitte empirisch ermittelt und für nachfolgend durchzuführende Schnitte entsprechend eingestellt werden.
  • b) Es können Mittel zur Detektion der Vorschubposition des zu schneidenden Lebensmittelproduktes vorgesehen werden, mittels derer die Abmessungen des zu schneidenden Lebensmittelproduktes vor und hinter der Schneidebene bestimmbar sind, wobei aufgrund dieser Information der Schwenkwinkel der Führung manuell oder automatisch eingestellt werden kann.
  • c) Die manuelle oder automatische Einstellung des Schwenkwinkels der Führung kann auch aufgrund von Informationen erfolgen, die von Mitteln geliefert werden, die zur Bestimmung der auf das Schneidmesser wirkenden, insbesondere der senkrecht zur Schneidebene gerichteten Kräfte geeignet sind.
  • d) Anstelle der Kräfte gemäß Punkt c) kann auch die Biegung des Schneidmessers bzw. das Maß des Abweichens des Schneidmessers aus der gewünschten Schneidebene bestimmt werden.
There are various options that can be used alternatively or in combination to adjust the swivel angle according to the respective requirements so that a cutting surface running in the desired plane is achieved:
  • a) The required swivel angle can be determined empirically using one or more test cuts and set accordingly for subsequent cuts to be made.
  • b) Means for detecting the feed position of the food product to be cut can be provided, by means of which the dimensions of the food product to be cut can be determined in front of and behind the cutting plane, the pivoting angle of the guide being able to be adjusted manually or automatically on the basis of this information.
  • c) The manual or automatic adjustment of the pivoting angle of the guide can also take place on the basis of information provided by means which are suitable for determining the forces acting on the cutting knife, in particular the forces directed perpendicular to the cutting plane.
  • d) Instead of the forces according to point c), the bending of the cutting knife or the degree of deviation of the cutting knife from the desired cutting plane can also be determined.

Der Schwenkwinkel der Führung des Schneidmessers kann auf die beschriebenen Arten entweder vor oder während der Ausführung eines Schnitts eingestellt werden. Bevorzugt wird diese Einstellung vor jedem bzw. während jedes Schnitts vorgenommen.The pivoting angle of the cutting knife guide can be adjusted in the described ways either before or during the execution of a cut. This setting is preferably made before or during each cut.

Falls der Schwenkwinkel während der Ausführung eines Schnitts eingestellt wird, ist es insbesondere möglich, den Schwenkwinkel ständig zu regeln, wodurch sich eventuell während eines einzigen Schnitts verändernden Kräften auf das Schneidmesser Rechnung getragen werden kann. Dies ist insbesondere beim Schneiden von inhomogenen Lebensmittelprodukten von Vorteil.If the swivel angle is set during the execution of a cut, it is in particular possible to regulate the swivel angle continuously, which may result in during a single cut changing forces on the cutting knife can be taken into account. This is particularly advantageous when cutting inhomogeneous food products.

Weitere bevorzugte Ausführungsformen der Erfindung sind in den Unteransprüchen angegeben.Further preferred embodiments of the invention are specified in the subclaims.

Die Erfindung wird nachfolgend beispielhaft unter Bezugnahme auf die Zeichnung beschrieben; es zeigt:

Figur 1
die Frontansicht des oberen Teils einer erfindungsgemäßen Vorrichtung,
Figur 2
die Seitenansicht einer Vorrichtung gemäß Figur 1 bei einem Schwenkwinkel von 0°, und
Figur 3
die Seitenansicht einer Vorrichtung gemäß Figur 1 bei einem Schwenkwinkel α.
The invention is described below by way of example with reference to the drawing; it shows:
Figure 1
the front view of the upper part of a device according to the invention,
Figure 2
the side view of a device according to Figure 1 at a swivel angle of 0 °, and
Figure 3
the side view of a device according to Figure 1 at a pivot angle α.

Figur 1 zeigt ein Schneidmesser 1 mit einem an seiner horizontalen Unterseite angeordneten Anschliff 2. Das Schneidmesser 1 ist an seinen beiden Seitenkanten jeweils mit einer Führungshülse 3 verbunden.FIG. 1 shows a cutting knife 1 with a bevel 2 arranged on its horizontal underside. The cutting knife 1 is each connected to a guide sleeve 3 on its two side edges.

Durch die Führungshülsen 3 erstreckt sich jeweils eine Führungsstange 4, wobei diese Führungsstangen 4 einerseits parallel zueinander und andererseits parallel zur Schneidebene bzw. zum Schneidmesser 1 verlaufen.A guide rod 4 extends through the guide sleeves 3, these guide rods 4 running parallel to one another on the one hand and parallel to the cutting plane or the cutting knife 1 on the other hand.

Die Führungshülsen 3 und das mit ihnen verbundene Schneidmesser 1 sind in Pfeilrichtung entlang der Führungsstangen 4 vertikal verschiebbar, wobei diese Verschiebbewegung durch einen nicht dargestellten Antrieb erzeugt wird.The guide sleeves 3 and the cutting knife 1 connected to them can be displaced vertically in the direction of the arrow along the guide rods 4, this displacement movement being generated by a drive (not shown).

Zwischen den beiden Führungsstangen 4 ist in deren unteren Bereich eine Schneidgutauflagefläche 5 vorgesehen, die beispielsweise als Förderband ausgebildet sein kann.Between the two guide rods 4, a cutting material support surface 5 is provided in the lower region thereof, which can be designed, for example, as a conveyor belt.

Auf der Schneidgutauflagefläche 5 befindet sich ein zu schneidendes Lebensmittelprodukt 6.A food product 6 to be cut is located on the product support surface 5.

Die Führungsstangen 4 sind oberhalb der Schneidgutauflagefläche 5 an deren oberen Enden um eine Achse A schwenkbar mit einem in Figur 1 nur bereichsweise dargestellten Rahmen 7 verbunden.The guide rods 4 are connected above the cutting material support surface 5 at their upper ends so as to be pivotable about an axis A with a frame 7 which is only shown in regions in FIG.

Durch ein Verschwenken der Führungsstangen 4 um die Achse A werden die Führungsstangen 4 und damit das Schneidmesser 1 in eine geneigt zur Zeichenebene verlaufende Ebene bewegt, wodurch der vorstehend beschriebene Kompensationseffekt erzielt wird.By pivoting the guide rods 4 about the axis A, the guide rods 4 and thus the cutting knife 1 are moved into a plane inclined to the plane of the drawing, thereby achieving the compensation effect described above.

In Figur 2 ist die Gesamtanordnung der in Figur 1 gezeigten Vorrichtung schematisch in ihrer Seitenansicht dargestellt.In Figure 2, the overall arrangement of the device shown in Figure 1 is shown schematically in its side view.

Die Schneidgutauflagefläche 5 ist bei dieser Ausführungsform durch das Obertrum eines Förderbandes 8 gebildet.In this embodiment, the product support surface 5 is formed by the upper run of a conveyor belt 8.

Die in Figur 2 sichtbare Führungsstange 4, welche an ihrem oberen Ende um die Achse A schwenkbar mit dem Rahmen 7 verbunden ist, weist an ihrem unteren, unterhalb der Schneidgutauflagefläche 5 liegenden Ende einen schwenkbar angebrachten Betätigungshebel 9 auf.The guide rod 4 visible in FIG. 2, which is connected to the frame 7 at its upper end so as to be pivotable about the axis A, has an actuating lever 9 which is pivotably mounted at its lower end, which lies below the material support surface 5.

Das der Führungsstange 4 abgewandte Ende des Betätigungshebels 9 ist wiederum schwenkbar mit einem Winkelhebel 10 verbunden, der schwenkbar um eine sich parallel zur Schwenkachse A erstreckende Drehachse B gelagert ist.The end of the actuating lever 9 facing away from the guide rod 4 is in turn pivotally connected to an angle lever 10 which is pivotally mounted about an axis of rotation B extending parallel to the pivot axis A.

Das dem Betätigungshebel 9 abgewandte Ende des Winkelhebels 10 ist drehbar mit dem Kolben 11 einer Zylinder-Kolbeneinheit 12 verbunden, deren Kolben 13 schwenkbar an einem ortsfesten, relativ zum Rahmen 7 nicht beweglichen Teil 14 angebracht ist.The end of the angle lever 10 facing away from the actuating lever 9 is rotatably connected to the piston 11 of a cylinder-piston unit 12, the piston 13 of which is pivotally attached to a stationary part 14 which is not movable relative to the frame 7.

Bei der in Figur 2 dargestellten Position der Führungsstange 4 erstreckt sich diese senkrecht zur Schneidgutauflagefläche 5, wobei eine derartige Einstellung beispielsweise dann sinnvoll ist, wenn senkrecht zur Schneidgutauflagefläche 5 verlaufende Schnitte erzeugt werden sollen und erwartet wird, daß sich die senkrecht zur Schneidebene auf das Schneidmesser 1 wirkenden Kräfte gegenseitig aufheben, was beispielsweise dann der Fall ist, wenn die beiden vor und hinter der Schneidebene liegenden Teilbereiche genügend groß sind, insbesondere wenn ihre Abmessungen senkrecht zur Schneidebene mindest 120 mm betragen. Ein gegenseitiges Aufheben der wirkenden Kräfte ist auch dann gegeben, wenn die Teilbereiche das angegebene Maß unterschreiten, jedoch ungefähr gleich groß sind.In the position of the guide rod 4 shown in FIG. 2, it extends perpendicular to the product support surface 5, such a setting being useful, for example, if cuts are to be made perpendicular to the product support surface 5 and it is expected that the cutting perpendicular to the cutting plane will affect the cutting knife 1 cancel the forces acting on each other, which is the case, for example, if the two partial areas lying in front of and behind the cutting plane are sufficiently large, in particular if their dimensions perpendicular to the cutting plane are at least 120 mm. A mutual cancellation of the acting forces is also given if the partial areas fall below the specified dimension, but are approximately the same size.

Durch eine Beaufschlagung der Zylinder-Kolben-Einheit 12 kann die Führungsstange 4 um den Winkel α bei Bedarf in die in Figur 3 dargestellte Position verschwenkt werden.By acting on the cylinder-piston unit 12, the guide rod 4 can be pivoted through the angle α into the position shown in FIG. 3 if required.

Dabei bewegt sich der Kolben 11 in den Zylinder 13, wodurch dieser aufgrund der Verbindung mit dem um die ortsfeste Achse B schwenkbar gelagerten Winkelhebel 10 im Uhrzeigersinn verschwenkt wird.The piston 11 moves into the cylinder 13, whereby this is pivoted clockwise due to the connection to the angle lever 10 pivotally mounted about the fixed axis B.

Gleichzeitig wird der Winkelhebel 10 entgegen dem Uhrzeigersinn verschwenkt, wodurch die Führungsstange 4 über den Betätigungshebel 9 in die in Figur 3 dargestellte Position bewegt wird. In dieser Position ist die Führungsstange 4 aus der Vertikalen in Richtung des abzutrennenden Anschnitts des Lebensmittelproduktes 6 um den Winkel α geneigt.At the same time, the angle lever 10 is pivoted counterclockwise, as a result of which the guide rod 4 is moved into the position shown in FIG. 3 via the actuating lever 9. In this position, the guide rod 4 is off the vertical in the direction of the cut portion of the food product 6 to be separated by the angle α.

Die in Figur 3 dargestellte Schwenkposition ist beispielsweise dann einsetzbar, wenn der in Förderrichtung C vorne liegende Anschnitt des Lebensmittelproduktes 6 abgeschnitten werden soll. In diesem Fall sind die in Förderrichtung C auf das Schneidmesser 1 wirkenden Kräfte größer als diejenigen Kräfte, die entgegen der Förderrichtung wirken. Dies ist dadurch bedingt, daß der in Förderrichtung vor der Schneidebene liegende Anschnittbereich des Lebensmittelproduktes 6 geringere Abmessungen aufweist als der restliche, hinter der Schneidebene liegende Bereich.The pivot position shown in FIG. 3 can be used, for example, if the portion of the food product 6 which is at the front in the conveying direction C is to be cut off. In this case, the forces acting on the cutting knife 1 in the conveying direction C are greater than those forces acting counter to the conveying direction. This is due to the fact that the gate area of the food product 6 lying in front of the cutting plane in the conveying direction has smaller dimensions than the rest of the area lying behind the cutting plane.

Für das Abtrennen des Anschnitts bzw. des vorderen Endabschnitts des Lebensmittelproduktes 6 muß demzufolge die Führungsstange 4 um die Achse A im Uhrzeigersinn verschwenkt werden.For the separation of the gate or the front end portion of the food product 6, the guide rod 4 must therefore be pivoted about the axis A in a clockwise direction.

Wenn hingegen der hintere Endabschnitt des Lebensmittelproduktes 6 abgeschnitten werden soll, wäre die Führungsstange 4 aus der Vertikalen entgegen dem Uhrzeigersinn um die Achse A zu verschwenken.If, on the other hand, the rear end section of the food product 6 is to be cut off, the guide rod 4 would have to be pivoted counter-clockwise from the vertical about the axis A.

Alternativ zu der in den Figuren dargestellten Ausführungsform kann der die Führungsstange 4 beaufschlagende Anlenkmechanismus auch oberhalb der Schneidgutauflagefläche 5 und die Schwenkachse A unterhalb oder in der Schneidgutauflagefläche 5 angeordnet werden.As an alternative to the embodiment shown in the figures, the articulation mechanism acting on the guide rod 4 can also be arranged above the cutting surface 5 and the pivot axis A below or in the cutting surface 5.

Bevorzugt wird die Schwenkachse A in der Schneidgutauflagefläche derart angeordnet, daß sie mit der Schneidkante des Schneidmessers 1 in seiner nach unten verfahrenen Position übereinstimmt, da in diesem Fall die Schneidkante des Schneidmessers 1 trotz verschiedener Schwenkpositionen der Führungsstange 4 immer an der gleichen Stelle der Schneidgutauflagefläche 5 auftrifft.Preferably, the pivot axis A is arranged in the product support surface in such a way that it coincides with the cutting edge of the cutting knife 1 in its downward position, since in this case the cutting edge of the cutting knife 1 despite different pivoting positions of the Guide rod 4 always hits the same place on the cutting surface 5.

Bei einer bevorzugten Ausführungsform der Erfindung wird das Schneidmesser parallel beabstandet zu der durch die Achsen der Führungsstangen definierten Führungsebene angeordnet und zur Erzeugung der Schneidbewegung von einer Kurbelstange beaufschlagt, welche von einer Kurbel antreibbar ist, die auf der dem Schneidmesser abgewandten Seite der genannten Führungsebene angeordnet ist.In a preferred embodiment of the invention, the cutting knife is arranged parallel to the guide plane defined by the axes of the guide rods and is acted upon by a crank rod, which can be driven by a crank which is arranged on the side of said guide plane facing away from the cutting knife, to generate the cutting movement .

Auf diese Weise wird berücksichtigt, daß sich der untere Totpunkt des auf- und abbewegten Schneidmessers durch ein Verschwenken der Führungsstangen verstellt, was dazu führt, daß das Schneidmesser in seinem unteren Totpunkt beispielsweise einen unerwünschten Abstand zur Schneidgutauflagefläche aufweist. Durch die vorstehend erwähnte Anordnung und den Abstand des Schneidmessers von der Führungsebene wird dieser unerwünschte Effekt in beiden Schwenkrichtungen weitgehend kompensiert, weshalb in diesem Fall die Schneidgutauflagefläche eben ausgeführt werden kann und trotzdem niemals ein störender Spalt zwischen der Schneidgutauflagefläche und dem Schneidmesser in seinem unteren Totpunkt auftritt.In this way it is taken into account that the bottom dead center of the up and down moving cutting knife is adjusted by pivoting the guide rods, which means that the cutting knife is at its bottom dead center, for example, an undesirable distance from the cutting surface. Due to the above-mentioned arrangement and the distance of the cutting knife from the guide plane, this undesirable effect is largely compensated for in both pivoting directions, which is why in this case the cutting material support surface can be made flat and a gap between the cutting material support surface and the cutting knife never occurs at its bottom dead center .

Mit der erfindungsgemäßen Vorrichtung ist gewährleistet, daß trotz ein Ausweichen bzw. ein Verlaufen des Schneidmessers 1 bewirkender Kräfte immer saubere, exakt in der gewünschten Schnittebene verlaufende Schnitte erzielbar sind.With the device according to the invention it is ensured that in spite of the forces causing the cutting knife 1 to deflect or run, clean cuts which run exactly in the desired cutting plane can always be achieved.

BezugszeichenlisteReference list

11
SchneidmesserCutting knife
22nd
AnschliffBevel
33rd
FührungshülseGuide sleeve
44th
FührungsstangeGuide rod
55
SchneidgutauflageflächeCutting surface area
66
LebensmittelproduktFood product
77
Rahmenframe
88th
FörderbandConveyor belt
99
BetätigungshebelOperating lever
1010th
WinkelhebelAngle lever
1111
Kolbenpiston
1212th
Zylinder-KolbeneinheitCylinder-piston unit
1313
Kolbenpiston
1414
ortsfestes Teilstationary part
AA
SchwenkachseSwivel axis
BB
DrehachseAxis of rotation
CC.
FörderrichtungDirection of conveyance

Claims (10)

Schneidvorrichtung für Lebensmittelprodukte (6), insbesondere für Käse, mit einem entlang einer in einem Rahmen (7) gehaltenen Führung (4) beweglichen Schneidmesser (1) und Vorschubmitteln (8) zur Erzeugung einer im wesentlichen senkrecht zur Schneidebene gerichteten Relativbewegung zwischen dem Rahmen (7) und einer Schneidgutauflagefläche (5),
dadurch gekennzeichnet,
daß die fest mit dem Schneidmesser (1) verbundene Führung (4) im Rahmen (7) um eine parallel zur Schneidebene und parallel zur Schneidgutauflagefläche (5) verlaufende Achse (A) schwenkbar gelagert ist.Cutting device for food products (6), in particular for cheese, with a cutting knife (1) movable along a guide (4) held in a frame (7) and feed means (8) for producing a relative movement between the frame (essentially perpendicular to the cutting plane) ( 7) and a cutting surface (5),
characterized by
that the guide (4) fixedly connected to the cutting knife (1) is pivotally mounted in the frame (7) about an axis (A) running parallel to the cutting plane and parallel to the product support surface (5). Schneidvorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Schneidebene bei einem Schwenkwinkel α von 0° senkrecht zur Schneidgutauflagefläche (5) verläuft.Cutting device according to claim 1,
characterized by
that the cutting plane is perpendicular to the product support surface (5) at a swivel angle α of 0 °. Schneidvorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß der Schwenkwinkel α im Bereich von ± 3° einstellbar ist, und/oder daß der Schwenkwinkel α stufenlos verstellbar ist.Cutting device according to one of the preceding claims,
characterized by
that the swivel angle α is adjustable in the range of ± 3 ° and / or that the swivel angle α is infinitely adjustable. Schneidvorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das Schneidmesser 1 zwischen zwei parallelen, sich entlang der Schneidebene erstreckenden Führungsstangen (4) geführt ist.Cutting device according to one of the preceding claims,
characterized by
that the cutting knife 1 is guided between two parallel guide rods (4) extending along the cutting plane. Schneidvorrichtung nach Anspruch 4,
dadurch gekennzeichnet,
daß das Schneidmesser parallel beabstandet zu der durch die Achsen der Führungsstangen definierten Führungsebene angeordnet und zur Erzeugung der Schneidbewegung von einer Kurbelstange beaufschlagt ist, welche von einer Kurbel antreibbar ist, die auf der dem Schneidmesser abgewandten Seite der genannten Führungsebene angeordnet ist.Cutting device according to claim 4,
characterized by
that the cutting knife is spaced parallel to the guide plane defined by the axes of the guide rods and is acted upon by a crank rod which is driven by a crank which is arranged on the side of said guide plane facing away from the cutting knife to generate the cutting movement. Schneidvorrichtung nach einem der Ansprüche 4 oder 5,
dadurch gekennzeichnet,
daß die Führungsstangen (4) oberhalb bzw. unterhalb der Schneidgutauflagefläche (5), insbesondere an deren oberen bzw. unteren Enden schwenkbar am Rahmen (7) gelagert sind.Cutting device according to one of claims 4 or 5,
characterized by
that the guide rods (4) above or below the product support surface (5), in particular at their upper or lower ends, are pivotally mounted on the frame (7). Schneidvorrichtung nach einem der Ansprüche 4 bis 6,
dadurch gekennzeichnet,
daß die Führungsstangen (4) unterhalb bzw. oberhalb der Schneidgutauflagefläche (5), insbesondere an deren unteren bzw. oberen Enden von einem Betätigungselement (9) beaufschlagt sind.Cutting device according to one of claims 4 to 6,
characterized by
that the guide rods (4) below or above the cutting material support surface (5), in particular at their lower or upper ends, are acted upon by an actuating element (9). Schneidvorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Schwenkposition der Führung (4) ansteuernde Mittel zur Detektion der Vorschubposition des zu schneidenden Lebensmittelproduktes (6) bzw. zur Bestimmung der in Vorschubrichtung (C) verlaufenden Längserstreckung der vor und hinter der Schneidebene liegenden Teilbereiche des zu schneidenden Lebensmittelproduktes (6) vorgesehen sind, und/oder daß die Schwenkposition der Führung (4) ansteuernde Mittel zur Bestimmung der auf das Schneidmesser (1) wirkenden, insbesondere der senkrecht zur Schneidebene gerichteten Kräfte vorgesehen sind.Cutting device according to one of the preceding claims,
characterized by
that the pivoting position of the guide (4) actuating means for detecting the feed position of the food product (6) to be cut or for determining the longitudinal extension of the partial areas lying in front of and behind the cutting plane in the feed direction (C) of the food product (6) to be cut are provided, and / or that the pivoting position of the guide (4) is provided for controlling the forces acting on the cutting knife (1), in particular the forces directed perpendicular to the cutting plane. Verfahren zum Betrieb einer Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß der Schwenkwinkel α vor der Ausführung eines Schnitts in Abhängig von den zu erwartenden, während des nachfolgenden Schnitts auf das Schneidmesser (1) wirkenden Kräfte eingestellt wird, wobei insbesondere die Einstellung vor der Ausführung eines jeden Schnitts vorgenommen wird.Method for operating a device according to one of the preceding claims,
characterized by
that the swivel angle α is adjusted before making a cut depending on the forces to be expected to act on the cutting knife (1) during the subsequent cut, the adjustment being made in particular before making each cut. Verfahren zum Betrieb einer Vorrichtung nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet,
daß der Schwenkwinkel α während der Ausführung eines Schnitts in Abhängigkeit von den während des Schnitts auf das Schneidmesser (1) wirkenden Kräften eingestellt wird.Method for operating a device according to one of claims 1 to 9,
characterized by
that the swivel angle α is set during the execution of a cut as a function of the forces acting on the cutting knife (1) during the cut.
EP96104181A 1995-04-25 1996-03-15 Cutting device for food products Expired - Lifetime EP0739692B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19515203 1995-04-25
DE19515203A DE19515203A1 (en) 1995-04-25 1995-04-25 Cutting device for food products

Publications (2)

Publication Number Publication Date
EP0739692A1 true EP0739692A1 (en) 1996-10-30
EP0739692B1 EP0739692B1 (en) 2002-01-30

Family

ID=7760331

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Country Status (3)

Country Link
EP (1) EP0739692B1 (en)
AT (1) ATE212581T1 (en)
DE (2) DE19515203A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999064211A1 (en) * 1998-06-10 1999-12-16 Systemprom, S.A. Cheese cutting device
EP1598063A1 (en) * 2003-10-22 2005-11-23 Ravi Shrivastava Synergic compositions comprising vitamins, minerals and trace elements to stimulate removal of intracellular lipids
US20160311131A1 (en) * 2015-04-23 2016-10-27 Andrew W. Fritz Concrete Cylinder Mold Cutter
CN108724271A (en) * 2018-07-06 2018-11-02 安徽万礼食品有限责任公司 A kind of adjustable step-by-step movement beef cutting machine of cutting spacing
IT201900011838A1 (en) * 2019-07-16 2021-01-16 Renzo Gasparin Peeling unit to clean the side surfaces of the loaves of bread and machine that uses said peeling unit

Families Citing this family (7)

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DE29806209U1 (en) * 1998-03-27 1999-07-29 Kiesel Mechanical cheese scoop
DE29808051U1 (en) * 1998-03-27 1999-07-29 Kiesel Mechanical cheese scoop
DE19821753A1 (en) * 1998-05-14 1999-11-18 Alpma Alpenland Masch Device for cutting an object into wedge-shaped pieces
JP4382133B2 (en) * 2008-03-11 2009-12-09 ファナック株式会社 Processing machine with shuttle
CN109015797B (en) * 2018-09-18 2020-05-29 深圳市丽德宝纸品有限公司 Packing carton production and processing side cut device
CN110299661B (en) * 2019-05-27 2021-01-01 深圳大学 Wire distributing cutter, uniform distributing device and uniform distributing method for flat cable end
CN113119213B (en) * 2021-05-13 2023-11-14 江苏孜俊自动化科技有限公司 Composite sheet cutting device is with adjusting guiding mechanism

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EP0434853A1 (en) * 1989-12-23 1991-07-03 Maschinenbau Heinrich Hajek Gesellschaft mbH & Co Apparatus for portioning food products, especially cheese

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CH544629A (en) * 1972-07-19 1973-11-30 Pedroia Luigi Machine for cutting blocks of meat in general and in particular blocks of frozen meat
DE4023474A1 (en) * 1990-07-24 1992-01-30 Cab Produkttechnik Ges Fuer Co Cutting flat material like paper - involves fixed cutter and swinging cutter which presses against fixed cutter and swings away

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DE226017C (en) *
DE636246C (en) * 1935-02-28 1936-10-05 Rudolf Joksch Device for cutting ham, sausage or the like.
EP0434853A1 (en) * 1989-12-23 1991-07-03 Maschinenbau Heinrich Hajek Gesellschaft mbH & Co Apparatus for portioning food products, especially cheese

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999064211A1 (en) * 1998-06-10 1999-12-16 Systemprom, S.A. Cheese cutting device
ES2142282A1 (en) * 1998-06-10 2000-04-01 Systemprom S A Cheese cutting device
EP1598063A1 (en) * 2003-10-22 2005-11-23 Ravi Shrivastava Synergic compositions comprising vitamins, minerals and trace elements to stimulate removal of intracellular lipids
US20160311131A1 (en) * 2015-04-23 2016-10-27 Andrew W. Fritz Concrete Cylinder Mold Cutter
US10124501B2 (en) * 2015-04-23 2018-11-13 Andrew W. Fritz Concrete cylinder mold cutter
CN108724271A (en) * 2018-07-06 2018-11-02 安徽万礼食品有限责任公司 A kind of adjustable step-by-step movement beef cutting machine of cutting spacing
IT201900011838A1 (en) * 2019-07-16 2021-01-16 Renzo Gasparin Peeling unit to clean the side surfaces of the loaves of bread and machine that uses said peeling unit

Also Published As

Publication number Publication date
DE59608657D1 (en) 2002-03-14
EP0739692B1 (en) 2002-01-30
DE19515203A1 (en) 1996-10-31
ATE212581T1 (en) 2002-02-15

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