EP2799194B1 - Cutting blade - Google Patents

Cutting blade Download PDF

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Publication number
EP2799194B1
EP2799194B1 EP13191264.4A EP13191264A EP2799194B1 EP 2799194 B1 EP2799194 B1 EP 2799194B1 EP 13191264 A EP13191264 A EP 13191264A EP 2799194 B1 EP2799194 B1 EP 2799194B1
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EP
European Patent Office
Prior art keywords
cutting
cutting blade
diameter
locating hole
blade according
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EP13191264.4A
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German (de)
French (fr)
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EP2799194A1 (en
Inventor
Uriel Inauen
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Inauen Group AG
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Inauen Group AG
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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
    • 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
    • B26D1/0006—Cutting members therefor
    • 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
    • B26D1/12—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 cutting member moving about an axis
    • B26D1/25—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 cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—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 cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—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 cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during 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
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/0046—Cutting members therefor rotating continuously about an axis perpendicular to the edge
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/0053—Cutting members therefor having a special cutting edge section or blade section
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
    • 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 blade, in particular a sickle blade for machines for cutting respectively.
  • Slicing food products especially for so-called slicers.
  • Such food products are for example sausage, meat products or cheese, which are portioned and packaged after cutting.
  • Such cutting blades may be circular or sickle-shaped. They have a cutting edge and rotate, driven by a motor about a rotation axis, so that slices of the food product can be separated in high order.
  • Such a cutting blade is for example in the DE-U-202009017954 disclosed. It comprises a base body with a cutting element mounted thereon, which is at least partially annular.
  • the cutting element is provided with a radially outwardly facing, spiral cutting edge, has a recess and is releasably secured to the outer peripheral portion of the body.
  • This knife design is intended to effect intermittent cutting of the advancing food product.
  • the main body is fastened by means of a fixing element to a receptacle of the drive shaft.
  • Cutting knives are subject to high mechanical stress during operation. As a result, they must be sharpened at intervals or even replaced, which is associated with production interruptions.
  • the mountable cutting element the relevant operating costs are to be reduced.
  • a sickle knife can not only be moved parallel to the knife axis but also be changed in a cutting plane in the room.
  • a cutter head carrying the cutting blade can be pivoted about an axis which passes through the cutter head.
  • the cutting blade rotates around its own knife axis and does not run around planetary.
  • the knife axis is set obliquely, so that the separated product slices fall by themselves on a stack of discs on a conveyor belt.
  • the conveyor belt leads the product stacks to a packaging machine.
  • EP 1598159 A1 discloses a rotary blade for the automatic cutting of cut material, which is designed as a sickle knife with a cutting edge. It has a recess which initially leads straight from the cutting edge to the receiving bore, kinks approximately 90 ° and approximately tangential to a radius extension of the cutting edge until it kinks at a bolt circle again in the direction of the radius extension of the cutting edge.
  • the invention is based on the object, a cutting blade, in particular a sickle blade for machines for cutting respectively. Slicing food products, in particular for so-called slicers to further improve and in particular to simplify the handling and dimensional stability in the operation of such a cutting blade and also to improve the balancing of the overall system consisting of knife and the hub.
  • the cutting blade is provided on the periphery with a radially outwardly facing, spiral cutting edge having a recess. It is further provided with a central receiving bore with a diameter of 99.9 mm and is thus directly and detachably mountable on a cutting rotor.
  • the central receiving bore on at least one bolt circle larger than the central receiving bore are spaced from each other, the mounting holes for attachment of the cutting blade on the cutting rotor resp. arranged on the knife guard.
  • the cutting blade has an involute with radius extension. More preferably located on an inner circle of holes with a diameter of, for example, 360 mm, the mounting holes for mounting on the cutting rotor and an outer diameter of, for example 402 mm, the threaded holes for attachment of the cutting blade on the blade guard.
  • the knife guard also serves as a device for removing the cutting blade resp. the blade change.
  • Cutter blades are operated at speeds up to approx. 2500 rpm. With blank movements, the knives experience high levels Accelerations away from the cutting plane and also back to the starting position. Since the center of mass of the knife is usually not in the axis of rotation, the high centripetal forces acting on the knife must be compensated by corresponding opposing forces by countermeasures in the hub, which receives the knife. This force compensation or balancing succeeds particularly well when the position of the knife when mounting on the hub is very accurate and reproducible is determined. This means that the diameter of the central receiving bore for transmitting the Zentripedal mechanism sufficiently large resp. resilient, but to be as precise as possible, should be as small as possible. This shows a diameter optimum at 99.9 mm. Cutter blades must have a high axial rigidity, especially when cutting hard products and also when cutting in idle positions. The axial forces must be introduced safely and at the shortest distance from the cutting edge into the knife hub.
  • a slicer not shown in detail comprises a feeding device of food product 12 to be cut, eg sausage, to a cutting device with a cutting blade 1 according to FIG Fig. 1 as well as a conveyor belt 14 for transporting the cut food product to a vacuum packaging device, not shown.
  • a feeding device of food product 12 to be cut eg sausage
  • a cutting device with a cutting blade 1 according to FIG Fig. 1 as well as a conveyor belt 14 for transporting the cut food product to a vacuum packaging device, not shown.
  • the cutting blade 1 can be fixed by means of screws on a receptacle 9 of a rotor 10, which is connected to a drive motor 11.
  • the cutting blade 1 is assigned a feed plane 13 for feeding the food product 12 to be cut, to which the conveyor belt 14 for transporting stacks 15 of slices of the cut food product 12 adjoins below it.
  • the drive motor 11 causes the cutting blade 1 in a rotational movement about the axis of the rotor 10.
  • the block or bar-shaped food product 12 with a corresponding feed (disc thickness) is supplied.
  • the cutting blade 1 is formed as a sickle blade with an at least partially annular outwardly facing cutting edge 2, a recess 3 and with a radius extension of the cutting edge 2, wherein the centroid is located outside the axis of rotation (in Fig. 1 simplified), which requires no separate Anstellterrorism to perform a cut.
  • the cutting blade 1 has a central receiving bore 4 with a diameter of 99.9 mm, which is surrounded by two spaced pitch circles or hole circles 5, 6 with a larger diameter.
  • Mounting holes 8 on a first pitch circle with a diameter of 360 mm, the inner hole circle 5, are used for releasably securing the cutting blade 1 on the receptacle 9 of the rotor 10th
  • Threaded holes 7 on a second, outer bolt circle 6 with a diameter of 402 mm are used to attach the cutting blade 1 on the blade guard, not shown (device for blade replacement).
  • the cutting blade 1 can also be arranged so that a simple and safe blade change resp. such blade maintenance is ensured without lifting loads.
  • the pivot point of an access door to the cutting blade 1 perpendicular to the floor arranged.
  • the center of gravity of the cutting blade 1 is not changed.
  • the conveyor belt can be part of a modular arrangement with variable tape length, among other things.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Food-Manufacturing Devices (AREA)
  • Nonmetal Cutting Devices (AREA)

Description

Die Erfindung betrifft ein Schneidmesser, insbesondere ein Sichelmesser für Maschinen zum Schneiden resp. Aufschneiden von Lebensmittelprodukten, insbesondere für sogenannte Slicer. Derartige Lebensmittelprodukte sind zum Beispiel Wurst, Fleischprodukte oder Käse, die nach dem Schneiden portioniert und verpackt werden.The invention relates to a cutting blade, in particular a sickle blade for machines for cutting respectively. Slicing food products, especially for so-called slicers. Such food products are for example sausage, meat products or cheese, which are portioned and packaged after cutting.

Solche Schneidmesser können kreisförmig oder auch sichelförmig sein. Sie weisen eine schneidende Kante auf und rotieren, motorisch betrieben um eine Drehachse, so dass Scheiben vom Lebensmittelprodukt in hoher Schnittfolge trennbar sind.Such cutting blades may be circular or sickle-shaped. They have a cutting edge and rotate, driven by a motor about a rotation axis, so that slices of the food product can be separated in high order.

Ein solches Schneidmesser ist zum Beispiel in der DE-U-202009017954 offenbart. Es umfasst einen Grundkörper mit einem darauf montierbaren Schneidelement, das zumindest teilringförmig ist. Das Schneidelement ist mit einer radial nach aussen weisenden, spiralförmigen Schneidkante versehen, weist eine Ausnehmung auf und ist lösbar am äusseren Umfangsbereich des Grundkörpers befestigt. Diese Messergestaltung soll ein intermittierendes Schneiden des sich vorwärts bewegenden Lebensmittelprodukts bewirken.
Der Grundkörper ist mittels eines Fixierelements an einer Aufnahme der Antriebswelle befestigt.Such a cutting blade is for example in the DE-U-202009017954 disclosed. It comprises a base body with a cutting element mounted thereon, which is at least partially annular. The cutting element is provided with a radially outwardly facing, spiral cutting edge, has a recess and is releasably secured to the outer peripheral portion of the body. This knife design is intended to effect intermittent cutting of the advancing food product.
The main body is fastened by means of a fixing element to a receptacle of the drive shaft.

Schneidmesser unterliegen im Betrieb einer hohen mechanischen Beanspruchung. Dadurch müssen sie in Abständen geschärft oder gar ausgetauscht werden, was mit Produktionsunterbrüchen verbunden ist. Durch das montierbare Schneidelement sollen die diesbezüglichen Betriebskosten reduziert werden.
Bei einem weiteren Slicer nach DE-A-102010019744 kann ein Sichelmesser nicht nur parallel zur Messerachse verfahren werden sondern auch in einer Schneidebene im Raum verändert werden. Hierzu kann ein das Schneidmesser tragender Messerkopf um eine Achse geschwenkt werden, die durch den Messerkopf hindurch verläuft. Hierdurch soll eine Messerverstellung konstruktiv vereinfacht werden und die Ausführung von Leerschnitten soll verbessert werden.Cutting knives are subject to high mechanical stress during operation. As a result, they must be sharpened at intervals or even replaced, which is associated with production interruptions. The mountable cutting element, the relevant operating costs are to be reduced.
At another slicer after DE-A-102010019744 a sickle knife can not only be moved parallel to the knife axis but also be changed in a cutting plane in the room. For this purpose, a cutter head carrying the cutting blade can be pivoted about an axis which passes through the cutter head. As a result, a knife adjustment should be simplified structurally and the execution of blanks should be improved.

Das Schneidmesser rotiert um die eigene Messerachse und läuft nicht zusätzlich planetarisch um. Die Messerachse ist schräg angestellt, so dass die abgetrennten Produktscheiben von selbst auf einen Scheibenstapel auf einem Transportband fallen. Das Transportband führt die Produktstapel zu einer Verpackungsmaschine.The cutting blade rotates around its own knife axis and does not run around planetary. The knife axis is set obliquely, so that the separated product slices fall by themselves on a stack of discs on a conveyor belt. The conveyor belt leads the product stacks to a packaging machine.

Weiterhin ist in der EP 1598159 A1 ein Rotationsmesser zum maschinellen zerteilen von Schneidgut offenbart, das als Sichelmesser mit einer Schneidkante ausgebildet ist. Es weist eine Ausnehmung auf, die von der Schneidkante ausgehend zunächst geradlinig zur Aufnahmebohrung führt, etwa 90° abknickt und etwa tangential zu einer Radiuserweiterung der Schneidkante führt, bis sie an einem Lochkreis nochmals in Richtung auf die Radiuserweiterung der Schneidkante abknickt.Furthermore, in the EP 1598159 A1 discloses a rotary blade for the automatic cutting of cut material, which is designed as a sickle knife with a cutting edge. It has a recess which initially leads straight from the cutting edge to the receiving bore, kinks approximately 90 ° and approximately tangential to a radius extension of the cutting edge until it kinks at a bolt circle again in the direction of the radius extension of the cutting edge.

Der Erfindung liegt nun die Aufgabe zugrunde, ein Schneidmesser, insbesondere ein Sichelmesser für Maschinen zum Schneiden resp. Aufschneiden von Lebensmittelprodukten, insbesondere für sogenannte Slicer weiter zu verbessern und dabei insbesondere die Handhabung und die Formstabilität im Betrieb eines solchen Schneidmessers zu vereinfachen und auch die Auswuchtbarkeit des Gesamtsystemes bestehend aus Messer und der Aufnahmenabe zu verbessern.The invention is based on the object, a cutting blade, in particular a sickle blade for machines for cutting respectively. Slicing food products, in particular for so-called slicers to further improve and in particular to simplify the handling and dimensional stability in the operation of such a cutting blade and also to improve the balancing of the overall system consisting of knife and the hub.

Die Aufgabe ist mit den Merkmalen des Patentanspruchs 1 gelöst.The object is solved with the features of claim 1.

Das Schneidmesser ist auf dem Umfang mit einer radial nach aussen weisenden, spiralförmigen Schneidkante versehen, die eine Ausnehmung aufweist. Es ist weiterhin mit einer zentrischen Aufnahmebohrung mit einem Durchmesser von 99,9 mm versehen und ist somit direkt und lösbar auf einem Schneidrotor montierbar.The cutting blade is provided on the periphery with a radially outwardly facing, spiral cutting edge having a recess. It is further provided with a central receiving bore with a diameter of 99.9 mm and is thus directly and detachably mountable on a cutting rotor.

Bevorzugte Ausführungsformen sind in den abhängigen Ansprüchen offenbart. So kann die zentrische Aufnahmebohrung auf mindestens einem Lochkreis grösser als die zentrische Aufnahmebohrung sind voneinander beabstandet die Befestigungsbohrungen zur Befestigung des Schneidmessers am Schneidrotor resp. am Messerschutz angeordnet. Das Schneidmesser weist eine Evolvente mit Radiuserweiterung auf. Weiter bevorzugt befinden sich auf einem inneren Lochkreis mit einem Durchmesser von zum Beispiel 360 mm die Befestigungsbohrungen zur Montage am Schneidrotor und auf einem äusseren Durchmesser von zum Beispiel 402 mm die Gewindebohrungen zur Befestigung des Schneidmessers am Messerschutz. Der Messerschutz dient zugleich als Vorrichtung zur Entnahme des Schneidmessers resp. dem Messerwechsel.Preferred embodiments are disclosed in the dependent claims. Thus, the central receiving bore on at least one bolt circle larger than the central receiving bore are spaced from each other, the mounting holes for attachment of the cutting blade on the cutting rotor resp. arranged on the knife guard. The cutting blade has an involute with radius extension. More preferably located on an inner circle of holes with a diameter of, for example, 360 mm, the mounting holes for mounting on the cutting rotor and an outer diameter of, for example 402 mm, the threaded holes for attachment of the cutting blade on the blade guard. The knife guard also serves as a device for removing the cutting blade resp. the blade change.

Sichelmesser werden mit Drehzahlen bis zu ca. 2500 U/min betrieben. Bei Leerschnittbewegungen erfahren die Messer hohe Beschleunigungen von der Schneidebene weg und auch wieder in die Ausgangslage zurück. Da der Massenschwerpunkt der Messer in der Regel nicht in der Rotationsachse liegt, müssen die hohen auf das Messer wirkenden Zentripedalkräfte durch entsprechende entgegengesetzt wirkende Kräfte durch Gegenmassen in der Nabe, die das Messer aufnimmt, kompensiert werden. Diese Kräftekompensation oder Auswuchtung gelingt besonders gut, wenn die Position des Messers bei der Befestigung auf der Nabe sehr genau und reproduzierbar festgelegt wird. Dies bedeutet, dass der Durchmesser der zentralen Aufnahmebohrung zur Übertragung der Zentripedalkräfte ausreichend groß resp. belastbar, doch um möglichst präzise zu sein, möglichst klein ausfallen soll. Hier zeigt sich ein Durchmesseroptimum bei 99,9 mm. Sichelmesser müssen insbesondere beim Schneiden harter Produkte und auch bei Leerschnittbewegungen eine hohe axiale Steifigkeit aufweisen. Die Axialkräfte müssen sicher und in kürzestem Abstand von der Schneide in die Messernabe eingeleitet werden.Cutter blades are operated at speeds up to approx. 2500 rpm. With blank movements, the knives experience high levels Accelerations away from the cutting plane and also back to the starting position. Since the center of mass of the knife is usually not in the axis of rotation, the high centripetal forces acting on the knife must be compensated by corresponding opposing forces by countermeasures in the hub, which receives the knife. This force compensation or balancing succeeds particularly well when the position of the knife when mounting on the hub is very accurate and reproducible is determined. This means that the diameter of the central receiving bore for transmitting the Zentripedalkräfte sufficiently large resp. resilient, but to be as precise as possible, should be as small as possible. This shows a diameter optimum at 99.9 mm. Cutter blades must have a high axial rigidity, especially when cutting hard products and also when cutting in idle positions. The axial forces must be introduced safely and at the shortest distance from the cutting edge into the knife hub.

Aus diesem Grund empfiehlt sich im Gegensatz zum Stand der Technik ein relativ zum Durchmesser der zentralen Aufnahmebohrung wesentlich größerer Lochkreis für Befestigungsschrauben. Hier empfiehlt sich ein Verhältnis von 1:3 bis 1:4.For this reason, in contrast to the prior art, a relatively larger circle of holes for fastening screws is recommended relative to the diameter of the central receiving bore. Here we recommend a ratio of 1: 3 to 1: 4.

Bei gängigen Sichelmessern wird im Winkelbereich, in dem sich keine Schneide befindet, bereits eine Gegenmasse in der Kontur der Messer angearbeitet. Im Gegensatz zu dieser Technik bietet eine Ausnehmung in diesem Bereich die Möglichkeit eine entsprechend grosse Gegenmasse an und in der Messernabe vorzusehen. Das Messer fällt dadurch leichter aus, das Handling wird einfacher.With conventional sickle blades, a countermass in the contour of the blades is already worked in the angular range in which there is no cutting edge. In contrast to this technique, a recess in this area offers the possibility of providing a correspondingly large countermass on and in the knife hub. The knife is thus easier, handling is easier.

Insbesondere ein Vergrössern dieser Ausnehmung bis in den Bereich der Schneide, an dem der kleinste Radius vorliegt, bringt erhebliche Vereinfachungen zur Auswuchtung mit sich. Eine weitere Gewichtsreduktion des Messers erfolgt aufgrund seiner besonderen Gestalt und der oben genannten Durchmesserverhältnisse zwischen Aufnahmebohrung und Befestigungsbohrungen durch Taschen bzw. Ausnehmungen zwischen der zentralen Bohrung und dem Teilkreisdurchmesser der Befestigungsschrauben. Durch eine speichenförmige Gestalt der Taschen, wird eine grösstmögliche Massenreduktion erreicht ohne die Steifigkeit wesentlich zu beinträchtigen.In particular, an enlargement of this recess up to the area of the cutting edge at which the smallest radius is present brings about considerable simplifications for balancing. A further weight reduction of the knife is due to its special shape and the above-mentioned diameter ratios between receiving bore and mounting holes through pockets or recesses between the central bore and the pitch circle diameter the fixing screws. By a spoke-like shape of the pockets, the largest possible mass reduction is achieved without significantly affecting the rigidity.

Die Erfindung wird nachfolgend in einem Ausführungsbeispiel anhand einer Zeichnung näher beschrieben. In der Zeichnung zeigen die

  • Fig. 1: eine vereinfachte Darstellung der Schneideinrichtung eines Slicers,
  • Fig. 2: ein Schneidmesser der Schneideinrichtung nach Fig. 1.
The invention will be described below in an embodiment with reference to a drawing. In the drawing show the
  • Fig. 1 : a simplified representation of the cutting device of a slicer,
  • Fig. 2 : a cutting blade of the cutter after Fig. 1 ,

Ein nicht näher dargestellter Slicer umfasst eine Zuführeinrichtung von zu schneidendem Lebensmittelprodukt 12, z.B. Wurst, zu einer Schneideinrichtung mit einem Schneidmesser 1 gemäss Fig. 1 sowie auch ein Förderband 14 zum Abtransport des geschnittenen Lebensmittelprodukts zu einer nicht dargestellten Vakuumverpackungseinrichtung.A slicer not shown in detail comprises a feeding device of food product 12 to be cut, eg sausage, to a cutting device with a cutting blade 1 according to FIG Fig. 1 as well as a conveyor belt 14 for transporting the cut food product to a vacuum packaging device, not shown.

Das Schneidmesser 1 ist mittels Schrauben auf einer Aufnahme 9 eines Rotors 10 fixierbar, der mit einem Antriebsmotor 11 verbunden ist. Dem Schneidmesser 1 ist eine Zuführebene 13 zur Zufuhr des zu schneidenden Lebensmittelprodukts 12 zugeordnet, an die sich unterhalb derselben das Förderband 14 zum Abtransport von Stapeln 15 von Scheiben des geschnittenen Lebensmittelprodukts 12 anschliesst.The cutting blade 1 can be fixed by means of screws on a receptacle 9 of a rotor 10, which is connected to a drive motor 11. The cutting blade 1 is assigned a feed plane 13 for feeding the food product 12 to be cut, to which the conveyor belt 14 for transporting stacks 15 of slices of the cut food product 12 adjoins below it.

Der Antriebsmotor 11 versetzt das Schneidmesser 1 in eine Drehbewegung um die Achse des Rotors 10. Für die Ausführung des Schnittes wird das block- oder stangenförmige Lebensmittelprodukt 12 mit einem entsprechenden Vorschub (Scheibendicke) zugeführt.The drive motor 11 causes the cutting blade 1 in a rotational movement about the axis of the rotor 10. For the execution of the cut, the block or bar-shaped food product 12 with a corresponding feed (disc thickness) is supplied.

Das Schneidmesser 1 ist als Sichelmesser mit einer zumindest teilringförmig nach aussen weisenden Schneidkante 2, einer Ausnehmung 3 und mit einer Radiuserweiterung der Schneidkante 2 ausgebildet, wobei der Flächenschwerpunkt ausserhalb der Rotationsachse gelegen ist (in Fig. 1 vereinfacht dargestellt), was keine separate Anstellbewegung zur Ausführung eines Schnittes erfordert.The cutting blade 1 is formed as a sickle blade with an at least partially annular outwardly facing cutting edge 2, a recess 3 and with a radius extension of the cutting edge 2, wherein the centroid is located outside the axis of rotation (in Fig. 1 simplified), which requires no separate Anstellbewegung to perform a cut.

Das Schneidmesser 1 weist eine zentrale Aufnahmebohrung 4 mit einem Durchmesser von 99,9 mm auf, die von zwei beabstandeten Teilkreisen bzw. Lochkreisen 5, 6 mit grösserem Durchmesser umgeben ist. Befestigungsbohrungen 8 auf einem ersten Teilkreis mit einem Durchmesser von 360 mm, dem inneren Lochkreis 5, dienen der lösbaren Befestigung des Schneidmessers 1 auf der Aufnahme 9 des Rotors 10.The cutting blade 1 has a central receiving bore 4 with a diameter of 99.9 mm, which is surrounded by two spaced pitch circles or hole circles 5, 6 with a larger diameter. Mounting holes 8 on a first pitch circle with a diameter of 360 mm, the inner hole circle 5, are used for releasably securing the cutting blade 1 on the receptacle 9 of the rotor 10th

Gewindebohrungen 7 auf einem zweiten, äusseren Lochkreis 6 mit einem Durchmesser von 402 mm dienen der Befestigung des Schneidmessers 1 am nicht dargestellten Messerschutz (Vorrichtung zum Messerwechsel).Threaded holes 7 on a second, outer bolt circle 6 with a diameter of 402 mm are used to attach the cutting blade 1 on the blade guard, not shown (device for blade replacement).

Zur Reduktion der Masse des Schneidmessers 1 können vorzugsweise zwischen der Aufnahmebohrung 4 und dem inneren Lochkreis 5 weitere Ausnehmungen 16 vorgesehen sein. Hierbei verbleiben zwischen dem oberen Bereich und den Ausnehmungen 16 zumindest speichenförmige Stäbe am Material des Schneidmessers 1.To reduce the mass of the cutting blade 1 can be provided between the receiving bore 4 and the inner hole circle 5 more recesses 16 preferably. In this case, at least spoke-shaped rods remain on the material of the cutting blade 1 between the upper region and the recesses 16.

Das Schneidmesser 1 kann zudem so angeordnet sein, dass ein einfacher und sicherer Messerwechsel resp. eine solche Messerwartung ohne Heben von Lasten gewährleistet ist. Hierzu ist in nicht dargestellter Weise der Drehpunkt einer Zugangstür zum Schneidmesser 1 senkrecht zum Aufstellboden angeordnet. Der Masseschwerpunkt des Schneidmessers 1 wird dadurch nicht verändert.The cutting blade 1 can also be arranged so that a simple and safe blade change resp. such blade maintenance is ensured without lifting loads. For this purpose, in a manner not shown, the pivot point of an access door to the cutting blade 1 perpendicular to the floor arranged. The center of gravity of the cutting blade 1 is not changed.

Das Förderband kann dabei Teil einer Modulanordnung mit variabler Bandlänge u. a. sein.The conveyor belt can be part of a modular arrangement with variable tape length, among other things.

Liste der BezugszeichenList of reference numbers

11
Schneidmessercutting blade
22
Schneidkantecutting edge
33
Ausnehmungrecess
44
Aufnahmebohrunglocation hole
55
LochkreisPCD
66
LochkreisPCD
77
Gewindebohrungthreaded hole
88th
Befestigungsbohrungmounting hole
99
Aufnahmeadmission
1010
Rotorrotor
1111
Antriebsmotordrive motor
1212
LebensmittelproduktFood product
1313
Zuführebenefeed plane
1414
Förderbandconveyor belt
1515
Stapelstack
1616
Ausnehmungrecess

Claims (7)

  1. A cutting blade, particularly for machines for cutting or cutting open food products, wherein the cutting blade (1) is constructed as a sickle blade with a central locating hole (4) with fastening holes (8), a cutting edge (2), a recess (3) and with a radius extension of the cutting edge (2), wherein the centroid is situated outside of the axis of rotation,
    characterised in that the central locating hole (4) is provided with a diameter of 99.9 mm, and in that the locating hole (4) is surrounded by two at least part-ring-shaped and mutually spaced bolt circles (5, 6),
    wherein the ratio of the diameter of the locating hole (4) in relation to the pitch-circle diameter of the fastening holes (8), the inner bolt circle (5), is between 1:3 and 1:4.
  2. The cutting blade according to Claim 1, characterised in that the inner bolt circle (5) has a diameter of preferably 360 mm, on which fastening holes (8) are provided.
  3. The cutting blade according to one of Claims 1 to 2, characterised in that the outer bolt circle (6) has a diameter of preferably 402 mm, on which threaded holes (7) are provided.
  4. The cutting blade according to one of Claims 1 to 3, characterised in that it can be fixed on a rotor of a cutting apparatus of a slicer.
  5. The cutting blade according to one of Claims 1 to 4, characterised in that the recess (3) is enlarged as far as into the space between the start of cutting and the locating hole.
  6. The cutting blade according to one of Claims 1 to 5, characterised in that openings (16) are present for mass reduction between locating hole (4) and fastening pitch circle, the inner bolt circle (5).
  7. The cutting blade according to Claim 6, characterised in that the openings (16) leave spoke-shaped rods between both regions.
EP13191264.4A 2013-05-02 2013-11-01 Cutting blade Active EP2799194B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201320101903 DE202013101903U1 (en) 2013-05-02 2013-05-02 cutting blade

Publications (2)

Publication Number Publication Date
EP2799194A1 EP2799194A1 (en) 2014-11-05
EP2799194B1 true EP2799194B1 (en) 2016-05-04

Family

ID=48652953

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Application Number Title Priority Date Filing Date
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Country Link
EP (1) EP2799194B1 (en)
DE (1) DE202013101903U1 (en)
PL (1) PL2799194T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014106353A1 (en) 2014-05-07 2015-11-12 Inauen Group Ag cutting machine
CH710403B1 (en) 2014-11-24 2019-06-14 Multivac Haggenmueller Kg Cuts cutting machine.
DE102023104231A1 (en) 2023-02-21 2024-08-22 Multivac Sepp Haggenmüller Se & Co. Kg Slicing machine with knife catching device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE645494C (en) * 1937-05-28 Eisele Fa L Knife disc for round knife meat cutting machines
DE102004016615A1 (en) * 2004-04-03 2005-10-27 Reifenhäuser, Uwe Knife for a motor driven cutting machine
DE102004059479B4 (en) * 2004-05-13 2006-04-06 Astor Schneidwerkzeuge Gmbh rotary knife
DE102008020293A1 (en) * 2008-04-22 2009-10-29 Maschinenbau Heinrich Hajek Gmbh & Co. High-speed cutting machine, has cutter recess not formed rotationally symmetrically to machining center of cutter, and displaced radially outward, and eccentrically from machining center of cutter
DE202009017954U1 (en) 2009-03-09 2010-09-30 Weber Maschinenbau Gmbh Breidenbach cutting blade
DE102010019744B4 (en) 2010-05-07 2020-11-26 Weber Maschinenbau Gmbh Breidenbach Device for slicing food products

Also Published As

Publication number Publication date
EP2799194A1 (en) 2014-11-05
DE202013101903U1 (en) 2013-05-17
PL2799194T3 (en) 2016-12-30

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