EP2892650A1 - Blade set for a meat grinder - Google Patents

Blade set for a meat grinder

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Publication number
EP2892650A1
EP2892650A1 EP13753171.1A EP13753171A EP2892650A1 EP 2892650 A1 EP2892650 A1 EP 2892650A1 EP 13753171 A EP13753171 A EP 13753171A EP 2892650 A1 EP2892650 A1 EP 2892650A1
Authority
EP
European Patent Office
Prior art keywords
knife
set according
knives
blades
knife set
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
EP13753171.1A
Other languages
German (de)
French (fr)
Other versions
EP2892650B1 (en
Inventor
Wolfgang Greiner
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.)
Heinrich GmbH
Original Assignee
Heinrich GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heinrich GmbH filed Critical Heinrich GmbH
Publication of EP2892650A1 publication Critical patent/EP2892650A1/en
Application granted granted Critical
Publication of EP2892650B1 publication Critical patent/EP2892650B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/36—Knives or perforated discs
    • B02C18/362—Knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/36—Knives or perforated discs
    • B02C18/365—Perforated discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C2018/308—Mincing machines with perforated discs and feeding worms with separating devices for hard material, e.g. bone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/36—Knives or perforated discs
    • B02C2018/367—Resiliently mounted knives or discs

Definitions

  • a meat grinder is used for crushing meat, especially in sausage production. Since the meat can also contain tendons and cartilage, usually a comminution by several successively arranged sets of knives, consisting of a
  • the knives themselves are attached by knife holders with several outwardly projecting arms from a hub
  • Knife blades formed, with the knife blades extending parallel to the arms.
  • the knives are clamped with a high contact pressure in the axial direction with the perforated discs to a high
  • Knife blades therefore wear relatively quickly and the resulting metal abrasion gets into the sausage mass.
  • a set of blades has been proposed in DE 44 37 144 AI, in which the knife blades are arranged axially movable on the knife holder and pressed by the working pressure of the material to be cut against the perforated disc. The knife holder no longer need to be axially against the
  • the present invention has for its object to provide a blade set, in which the wear of the perforated discs and
  • Knife blades compared to the known solutions is further reduced.
  • a knife set for a meat grinder with at least one perforated disc and a rotatably driven by the shaft of the mincer knife holder which is characterized in that arranged on the knife holder a plurality of knives about axes which are aligned parallel to the shaft of the mincer rotatably are.
  • the rotatably mounted knives which in turn are moved along the perforated disk by the knife holder, result in significantly better cutting performance, as has been shown in experiments.
  • the material to be cut is actually shredded to a significantly higher percentage in this knife set by cutting and not crushing than in known knife sets. This also results in less wear both the perforated disc and the knife.
  • the drive power of the meat grinder can be reduced.
  • less heat is generated by the friction between the knife blades and the perforated disc and thus less heating of the material to be cut, which benefits the sausage quality.
  • the axes of rotation of the blades may preferably be arranged on one or more circles about the shaft axis of the meat grinder. It is also advantageous if the blades each have the same angular distance.
  • the blades are rotationally symmetrical. In particular, they can be round or polygonal. They can thereby easily and uniformly rotate through the cutting material held by the perforated disk, as they are moved along the perforated disk by the knife holder. In addition, the knives are easy to clean in this configuration. It is advantageous if the blades are provided with blades at their periphery.
  • the resulting pressure distribution between knives and perforated disc is cheaper than in the radially outward blades of known sets of knives.
  • the result is a sheet-like load of the disc instead of a linear load, which further reduces the deformation and thus the wear of the perforated disc.
  • thinner perforated discs can be used than in known knife sets.
  • the knife foot may preferably be round, while the blades may also be arranged, for example, on a polygon about the axis of rotation of the knife.
  • the knives may also have several wings each provided with blades. Also in this embodiment, it is from the above
  • the wings can also have different lengths.
  • the blades may preferably form a cutting angle of 30 ° to 60 ° with the perforated disc. Very good results have been found in experiments with cutting angles of 45 °. On the other hand, in conventional knife sets, the cutting angles are significantly larger, which leads to poorer cutting results. The blades sharpen themselves during the
  • the blades are axially movable in the
  • Knife holder are arranged. As a result, only a cutting action occurs when the material to be cut is pressed against the knife.
  • Working pressure of the conveyed by a screw of the mincer cutting material is sufficient to produce a clean cutting action. If no material to be cut is fed, the friction between the perforated disc and the blade is minimal.
  • the knife holder may preferably be disc-shaped in order to ensure a flat and compact design of the knife set. The assembly of the knife set is thus easy.
  • the knife holder with a plurality of wings, on each of which at least one knife is arranged.
  • the wings can be kept relatively narrow, so that the
  • the knife holder and / or the knives have openings for removing non-comminuted material to be cut.
  • Such openings may be arranged, for example, near the axis of rotation of the knife or the knife holder. From there, the separated parts such as tendons or cartilage can be removed, for example via a tube, so that they do not clog the knife set.
  • Knife set in a conventional manner two perforated discs with arranged in front knife holders with knives, wherein the
  • Perforated discs in the direction of passage of the material to be cut have an increasingly smaller hole diameter.
  • Fig. 1 is a partially sectioned side view of a
  • FIG. 2 shows an enlarged side view of a knife holder with a knife of the knife set from FIG. 1;
  • FIG. 3 is a plan view of a knife of the knife set of FIG. 1.
  • FIG. 1 shows a blade set 10, which in the example shown has two perforated discs 12, 14, each with knife holders 11, 13 arranged in front of it.
  • the blade set 10 is on a shaft 15 a Meat grinder worm 16 is placed, wherein the knife holder 11, 13 are driven in rotation together with the worm 16.
  • the perforated disks 12, 14 have in the example shown two radially spaced rows of holes 17, 18 and 19, 20.
  • the knife holders 11, 13 have three wings, of which in the
  • Wing 21, 22, 23, 24 carries a knife 25, 26, 27, 28, whose shape and storage are described in more detail with reference to the enlarged view of the knife holder 11 in Fig. 1 and with reference to FIG. 2.
  • Wings 21, 22, 23, 24 are the same length in the example shown, and preferably each spaced by 120 ° from each other.
  • the axes R (Fig. 2) of the knives 25, 26, 27, 28 are therefore located on a circle about the shaft axis W, so that the knives 25, 26, 27, 28 on the
  • Knife holder 11, 13 rotate about the shaft axis W of the meat grinder.
  • the knives 25, 26, 27, 28 could also be located on different circles.
  • Fig. 1 also illustrates that the knives 25, 26, 27, 28 are arranged in the unloaded state with a small axial distance a in front of the perforated discs 12, 14, if no cutting material to
  • Knife set 10 can therefore run wear-free even without material.
  • Fig. 2 illustrates the storage of the knife 25 to 28 in the
  • Knife holders 11, 13 using the example of the knife 26 The knife 26 has a round foot 29 which is inserted into a round through hole 30 in the wing 21 and there is axially movable and rotatably supported by a sealing ring 31.
  • the foot 29 may also have limited tilting movements in the slightly larger diameter
  • Plug connection between the knife 26 and knife holder 11 is a slight assembly and interchangeability of the knife 26 given.
  • Sealing ring 31 also prevents the ingress of meat parts.
  • the knife 26 also has a relief surface E whose size depends on the material to be cut.
  • the axial mobility allows pressing of the blade 26 by the transported in the direction of arrow 32 Schneidgut against the
  • Perforated disk 12 Due to the floating bearing, the knife can also rest against the perforated disk 11 over its full area if it is not aligned exactly parallel to the knife holder 11. Further, the material to be cut can set the knife 26 in rotation, resulting in a very good quality cut, as experiments have shown. The material trapped by apertures 19, 20 from apertured disc 12 is actually cut to a significantly higher percentage than crushed by squeezing, as is the case with conventional knife sets.
  • the knife 26 has three wings 33, 34, 35 which carry at their outer periphery respectively blades 36, 37, 38, which in the
  • Blades 36, 37, 38 are circular arc-shaped and all have the same radial distance from the axis of rotation A of the knife 26.
  • the illustrated blade shape is merely exemplary.
  • the knife 26 could also be round, d. H. have no wings 33, 34, 35 and carry a circular or polygonal blade.
  • the shape of the blade 26 can be adjusted according to the material to be cut and the
  • Knives are quickly replaced with knives of other shapes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention relates to a blade set for a meat grinder with at least one perforated disc (12, 14) and a blade holder (11, 13) that can be rotatably driven through the shaft (15) of the meat grinder, wherein a plurality of blades (25, 26, 27, 28) are rotatably arranged about axes which are aligned parallel to the shaft (15) of the meat grinder.

Description

Messersatz für einen Fleischwolf  Knife set for a meat grinder
B e s c h r e i b u n g : Description :
Ein Fleischwolf wird zur Zerkleinerung von Fleisch insbesondere in der Wurstherstellung eingesetzt. Da das Fleisch auch Sehnen und Knorpel enthalten kann, wird in der Regel eine Zerkleinerung durch mehrere hintereinander angeordnete Messersätze, bestehend aus einer A meat grinder is used for crushing meat, especially in sausage production. Since the meat can also contain tendons and cartilage, usually a comminution by several successively arranged sets of knives, consisting of a
Lochscheibe und einem davor angeordneten rotierenden Messer, durchgeführt. Die Messer selbst werden von Messerhaltern mit mehreren von einer Nabe nach außen ragenden Armen mit aufgesetzten Perforated disk and a rotating knife arranged in front, performed. The knives themselves are attached by knife holders with several outwardly projecting arms from a hub
Messerklingen gebildet, wobei sich die Messerklingen parallel zu den Armen erstrecken. Die Messer werden mit einem hohen Anpressdruck in axialer Richtung mit den Lochscheiben verspannt, um eine hohe Knife blades formed, with the knife blades extending parallel to the arms. The knives are clamped with a high contact pressure in the axial direction with the perforated discs to a high
Schneidleistung zu erhalten. Dadurch entstehen hohe Reibungskräfte zwischen den Klingen und der Lochscheibe. Lochscheiben und To obtain cutting performance. This creates high frictional forces between the blades and the perforated disc. Perforated discs and
Messerklingen verschleißen daher relativ schnell und der entstehende Metallabrieb gelangt in die Wurstmasse. Zur Reduzierung dieser Probleme ist in der DE 44 37 144 AI ein Messersatz vorgeschlagen worden, bei dem die Messerklingen axial beweglich am Messerhalter angeordnet sind und durch den Arbeitsdruck des Schneidgutes gegen die Lochscheibe gepresst werden. Die Messerhalter müssen hier nicht mehr axial gegen die Knife blades therefore wear relatively quickly and the resulting metal abrasion gets into the sausage mass. To reduce these problems, a set of blades has been proposed in DE 44 37 144 AI, in which the knife blades are arranged axially movable on the knife holder and pressed by the working pressure of the material to be cut against the perforated disc. The knife holder no longer need to be axially against the
Lochscheiben vorgespannt werden, wodurch sich die Reibungsverluste spürbar verringern lassen. Der vorliegenden Erfindung liegt die Aufgabe zugrunde, einen Messersatz bereitzustellen, bei dem der Verschleiß der Lochscheiben und Perforated discs are biased, which can be significantly reduce the friction losses. The present invention has for its object to provide a blade set, in which the wear of the perforated discs and
Messerklingen gegenüber den bekannten Lösungen weiter reduziert ist.  Knife blades compared to the known solutions is further reduced.
Die Aufgabe wird gelöst durch einen Messersatz für einen Fleischwolf mit mindestens einer Lochscheibe und einem durch die Welle des Fleischwolfs rotierend antreibbaren Messerhalter, der dadurch gekennzeichnet ist, dass an dem Messerhalter mehrere Messer um Achsen, die parallel zur Welle des Fleischwolfs ausgerichtet sind, drehbar angeordnet sind. The object is achieved by a knife set for a meat grinder with at least one perforated disc and a rotatably driven by the shaft of the mincer knife holder, which is characterized in that arranged on the knife holder a plurality of knives about axes which are aligned parallel to the shaft of the mincer rotatably are.
Durch die drehbar gelagerten Messer, die ihrerseits vom Messerhalter an der Lochscheibe entlang bewegt werden, entsteht eine deutlich bessere Schneidleistung, wie sich in Versuchen gezeigt hat. Das Schneidgut wird bei diesem Messersatz zu einem deutlich höheren Prozentsatz tatsächlich durch Schneiden und nicht durch Quetschen zerkleinert als bei bekannten Messersätzen. Dadurch entsteht auch ein geringerer Verschleiß sowohl der Lochscheibe als auch der Messer. Es gelangt weniger metallischer Abrieb in die Wurstmasse. Die Antriebsleistung des Fleischwolfs kann reduziert werden. Weiter entsteht eine geringere Wärmeentwicklung durch die Reibung zwischen den Messerklingen und der Lochscheibe und damit auch eine geringere Erwärmung des Schneidgutes, was der Wurstqualität zugutekommt. The rotatably mounted knives, which in turn are moved along the perforated disk by the knife holder, result in significantly better cutting performance, as has been shown in experiments. The material to be cut is actually shredded to a significantly higher percentage in this knife set by cutting and not crushing than in known knife sets. This also results in less wear both the perforated disc and the knife. There is less metallic abrasion in the sausage meat. The drive power of the meat grinder can be reduced. Furthermore, less heat is generated by the friction between the knife blades and the perforated disc and thus less heating of the material to be cut, which benefits the sausage quality.
Zur Erzielung einer gleichmäßigen Überdeckung der Lochscheibe durch die drehbaren Messer können die Rotationsachsen der Messer vorzugsweise auf einem oder mehreren Kreisen um die Wellenachse des Fleischwolfs angeordnet sein. Dabei ist es weiter von Vorteil, wenn die Messer jeweils den gleichen Winkelabstand aufweisen. Bei einer bevorzugten Ausgestaltung des Messersatzes sind die Messer drehsymmetrisch ausgebildet. Sie können insbesondere rund oder polygonförmig sein. Sie lassen sich dadurch leicht und gleichmäßig durch das von der Lochscheibe festgehaltene Schneidgut drehen, wenn sie vom Messerhalter an der Lochscheibe entlang bewegt werden. Außerdem sind die Messer bei dieser Ausgestaltung einfach zu reinigen. Dabei ist es von Vorteil, wenn die Messer an ihrem Umfang mit Klingen versehen sind. Die dadurch entstehende Druckverteilung zwischen Messern und Lochscheibe ist günstiger als bei den radial nach außen gerichteten Klingen bekannter Messersätze. Es ergibt sich eine flächenförmige Belastung der Scheibe anstelle einer linearen Belastung, was die Verformung und damit den Verschleiß der Lochscheibe weiter verringert. Außerdem können dünnere Lochscheiben eingesetzt werden als bei bekannten Messersätzen. Der Messerfuß kann vorzugsweise rund sein, während die Klingen auch beispielsweise auf einem Polygon um die Rotationsachse des Messers angeordnet sein können. To achieve uniform coverage of the perforated disk by the rotatable blades, the axes of rotation of the blades may preferably be arranged on one or more circles about the shaft axis of the meat grinder. It is also advantageous if the blades each have the same angular distance. In a preferred embodiment of the blade set, the blades are rotationally symmetrical. In particular, they can be round or polygonal. They can thereby easily and uniformly rotate through the cutting material held by the perforated disk, as they are moved along the perforated disk by the knife holder. In addition, the knives are easy to clean in this configuration. It is advantageous if the blades are provided with blades at their periphery. The resulting pressure distribution between knives and perforated disc is cheaper than in the radially outward blades of known sets of knives. The result is a sheet-like load of the disc instead of a linear load, which further reduces the deformation and thus the wear of the perforated disc. In addition, thinner perforated discs can be used than in known knife sets. The knife foot may preferably be round, while the blades may also be arranged, for example, on a polygon about the axis of rotation of the knife.
Die Messer können auch mehrere Flügel aufweisen, die jeweils mit Klingen versehen sind. Auch bei dieser Ausgestaltung ist es aus den oben The knives may also have several wings each provided with blades. Also in this embodiment, it is from the above
beschriebenen Gründen günstig, wenn die Klingen am radial äußeren Umfang der Flügel angeordnet sind. Dabei können die Flügel auch unterschiedliche Längen aufweisen. described reasons favorable when the blades are arranged on the radially outer periphery of the wings. The wings can also have different lengths.
Die Klingen können vorzugsweise einen Schneidwinkel von 30° bis 60° mit der Lochscheibe bilden. Sehr gute Ergebnisse haben sich bei Versuchen mit Schneidwinkeln von 45° ergeben. Bei herkömmlichen Messersätzen sind die Schneidwinkel dagegen deutlich größer, was zu schlechteren Schneidergebnissen führt. Die Klingen schärfen sich während des The blades may preferably form a cutting angle of 30 ° to 60 ° with the perforated disc. Very good results have been found in experiments with cutting angles of 45 °. On the other hand, in conventional knife sets, the cutting angles are significantly larger, which leads to poorer cutting results. The blades sharpen themselves during the
Schneidvorgangs an der härteren Lochscheibe. Auch bei Verschleiß bleibt der Schneidwinkel erhalten. Weitere Vorteile ergeben sich, wenn die Messer mittels einer Steckverbindung auswechselbar an dem Messerhalter angeordnet sind . Sie können dadurch leicht ausgewechselt und gereinigt werden. Cutting process on the harder perforated disc. Even with wear, the cutting angle is maintained. Further advantages arise when the blades are arranged interchangeable by means of a plug connection to the knife holder. They can be easily replaced and cleaned.
Besonders bevorzugt ist es, wenn die Messer axial beweglich im It is particularly preferred if the blades are axially movable in the
Messerhalter angeordnet sind. Dadurch tritt nur dann eine Schneidwirkung auf, wenn das Schneidgut gegen die Messer gepresst wird. Der Knife holder are arranged. As a result, only a cutting action occurs when the material to be cut is pressed against the knife. Of the
Arbeitsdruck des durch eine Schnecke des Fleischwolfs herangeförderten Schneidgutes ist dabei ausreichend, eine saubere Schneidwirkung zu erzeugen. Wird kein Schneidgut zugeführt, ist die Reibung zwischen Lochscheibe und Messer nur minimal . Working pressure of the conveyed by a screw of the mincer cutting material is sufficient to produce a clean cutting action. If no material to be cut is fed, the friction between the perforated disc and the blade is minimal.
Noch bessere Schneidergebnisse und ein noch geringerer Verschlei lassen sich erzielen, wenn die Messer schwimmend im Messerhalter gelagert sind. Dadurch liegen die Messerklingen während des Even better cutting results and even less wear can be achieved when the blades are floating in the knife holder. As a result, the knife blades lie during the
Schneidvorgangs immer vollflächig auf der Lochscheibe auf, unabhängig davon, ob Messerhalter und Lochscheibe exakt parallel zueinander ausgerichtet sind oder nicht. Es entstehen optimale Schneidergebnisse, was insbesondere fü r die Herstellung von Hackfleischprodukten, Tartar oder Salami wichtig ist. Cutting process always on the entire surface of the perforated disc, regardless of whether knife holder and perforated disc are aligned exactly parallel to each other or not. This results in optimum cutting results, which is particularly important for the production of minced meat products, tartare or salami.
Der Messerhalter kann vorzugsweise scheibenförmig ausgebildet sein, um eine flache und kompakte Bauweise des Messersatzes zu gewährleisten. Auch die Montage des Messersatzes gestaltet sich dadurch einfach. The knife holder may preferably be disc-shaped in order to ensure a flat and compact design of the knife set. The assembly of the knife set is thus easy.
Besonders vorteilhaft ist dabei eine Ausgestaltung des Messerhalters mit mehreren Flügeln, an denen jeweils mindestens ein Messer angeordnet ist. Die Flügel können relativ schmal gehalten werden, sodass der Particularly advantageous is an embodiment of the knife holder with a plurality of wings, on each of which at least one knife is arranged. The wings can be kept relatively narrow, so that the
Durchtritt des Schneidgutes zur Lochscheibe vom Messerhalter kaum behindert wird. Weitere Vorteile ergeben sich, wenn der Messerhalter und/oder die Messer Öffnungen zum Abführen nicht zerkleinerbaren Schneidgutes aufweisen. Solche Öffnungen können beispielsweise nahe der Rotationsachse der Messer oder des Messerhalters angeordnet sein. Von dort können die ausgesonderten Teile wie Sehnen oder Knorpel beispielsweise über ein Rohr abgeführt werden, damit diese den Messersatz nicht verstopfen. Passage of the material to be cut to the perforated disc by the knife holder is hardly hindered. Further advantages are obtained if the knife holder and / or the knives have openings for removing non-comminuted material to be cut. Such openings may be arranged, for example, near the axis of rotation of the knife or the knife holder. From there, the separated parts such as tendons or cartilage can be removed, for example via a tube, so that they do not clog the knife set.
Soll ein hoher Zerkleinerungsgrad erreicht werden, so kann der If a high degree of comminution be achieved, then the
Messersatz in an sich bekannter Weise zwei Lochscheiben mit davor angeordneten Messerhaltern mit Messern aufweisen, wobei die Knife set in a conventional manner two perforated discs with arranged in front knife holders with knives, wherein the
Lochscheiben in Durchlaufrichtung des Schneidgutes einen zunehmend kleineren Lochdurchmesser aufweisen. Perforated discs in the direction of passage of the material to be cut have an increasingly smaller hole diameter.
Nachfolgend wird ein bevorzugtes Ausführungsbeispiel eines Hereinafter, a preferred embodiment of a
erfindungsgemäßen Messersatzes anhand der Zeichnung näher knife set according to the invention with reference to the drawing
beschrieben. described.
Es zeigen : Show it :
Fig. 1 eine teilweise geschnittene Seitenansicht einer Fig. 1 is a partially sectioned side view of a
Fleischwolfschnecke mit aufgesetztem Messersatz;  Meat grinder with attached knife set;
Fig. 2 eine vergrößerte Seitenansicht eines Messerhalters mit Messer des Messersatzes aus Fig. 1 ; FIG. 2 shows an enlarged side view of a knife holder with a knife of the knife set from FIG. 1; FIG.
Fig. 3 eine Draufsicht auf ein Messer des Messersatzes aus Fig. 1. 3 is a plan view of a knife of the knife set of FIG. 1.
Fig. 1 zeigt einen Messersatz 10, der im dargestellten Beispiel zwei Lochscheiben 12, 14 mit jeweils davor angeordneten Messerhaltern 11, 13 aufweist. Der Messersatz 10 ist auf eine Welle 15 einer Fleischwolfschnecke 16 aufgesetzt, wobei die Messerhalter 11, 13 gemeinsam mit der Schnecke 16 rotierend angetrieben werden. Die Lochscheiben 12, 14 weisen im dargestellten Beispiel zwei radial beabstandete Lochreihen 17, 18 bzw. 19, 20 auf. 1 shows a blade set 10, which in the example shown has two perforated discs 12, 14, each with knife holders 11, 13 arranged in front of it. The blade set 10 is on a shaft 15 a Meat grinder worm 16 is placed, wherein the knife holder 11, 13 are driven in rotation together with the worm 16. The perforated disks 12, 14 have in the example shown two radially spaced rows of holes 17, 18 and 19, 20.
Die Messerhalter 11, 13 weisen drei Flügel auf, von denen in der The knife holders 11, 13 have three wings, of which in the
Seitenansicht zwei Flügel 21, 22 bzw. 23, 24 zu sehen sind. Jeder Side view two wings 21, 22 and 23, 24 can be seen. Everyone
Flügel 21, 22, 23, 24 trägt ein Messer 25, 26, 27, 28, deren Form und Lagerung anhand der vergrößerten Darstellung des Messerhalters 11 in Fig. 1 und anhand Fig. 2 näher beschrieben werden. Die Wing 21, 22, 23, 24 carries a knife 25, 26, 27, 28, whose shape and storage are described in more detail with reference to the enlarged view of the knife holder 11 in Fig. 1 and with reference to FIG. 2. The
Flügel 21, 22, 23, 24 sind im dargestellten Beispiel gleich lang und vorzugsweise jeweils um 120° voneinander beabstandet. Die Achsen R (Fig. 2) der Messer 25, 26, 27, 28 liegen daher auf einem Kreis um die Wellenachse W, sodass die Messer 25, 26, 27, 28 über die Wings 21, 22, 23, 24 are the same length in the example shown, and preferably each spaced by 120 ° from each other. The axes R (Fig. 2) of the knives 25, 26, 27, 28 are therefore located on a circle about the shaft axis W, so that the knives 25, 26, 27, 28 on the
Lochreihen 17, 18, 19, 20 hinweg bewegt werden, wenn die Rows of holes 17, 18, 19, 20 are moved away when the
Messerhalter 11, 13 um die Wellenachse W des Fleischwolfs rotieren. Die Messer 25, 26, 27, 28 könnten jedoch auch auf unterschiedlichen Kreisen liegen. Die Fig. 1 verdeutlicht außerdem, dass die Messer 25, 26, 27, 28 im unbelasteten Zustand mit einem kleinen axialen Abstand a vor den Lochscheiben 12, 14 angeordnet sind, wenn kein Schneidgut zu Knife holder 11, 13 rotate about the shaft axis W of the meat grinder. However, the knives 25, 26, 27, 28 could also be located on different circles. Fig. 1 also illustrates that the knives 25, 26, 27, 28 are arranged in the unloaded state with a small axial distance a in front of the perforated discs 12, 14, if no cutting material to
verarbeiten ist. Der Fleischwolf mit dem erfindungsgemäßen is process. The meat grinder with the invention
Messersatz 10 kann daher auch ohne Material verschleißfrei laufen. Knife set 10 can therefore run wear-free even without material.
Fig. 2 verdeutlicht die Lagerung der Messer 25 bis 28 in den Fig. 2 illustrates the storage of the knife 25 to 28 in the
Messerhaltern 11, 13 am Beispiel des Messers 26. Das Messer 26 weist einen runden Fuß 29 auf, der in eine runde Durchgangsbohrung 30 im Flügel 21 eingesteckt und dort durch einen Dichtungsring 31 axial beweglich und drehbar gelagert ist. Der Fuß 29 kann außerdem begrenzte Kippbewegungen in der im Durchmesser etwas größeren Knife holders 11, 13 using the example of the knife 26. The knife 26 has a round foot 29 which is inserted into a round through hole 30 in the wing 21 and there is axially movable and rotatably supported by a sealing ring 31. The foot 29 may also have limited tilting movements in the slightly larger diameter
Durchgangsbohrung 30 ausführen, sodass das Messer 26 außerdem schwimmend im Messerhalter 11 gelagert ist. Durch die einfache Through hole 30 run so that the knife 26 also is stored floating in the knife holder 11. By the simple
Steckverbindung zwischen Messer 26 und Messerhalter 11 ist eine leichte Montage und Austauschbarkeit des Messers 26 gegeben. Der Plug connection between the knife 26 and knife holder 11 is a slight assembly and interchangeability of the knife 26 given. Of the
Dichtungsring 31 verhindert außerdem das Eindringen von Fleischteilen. Sealing ring 31 also prevents the ingress of meat parts.
Das Messer 26 weist außerdem eine Entlastungsfläche E auf, deren Größe vom Schneidgut abhängt. The knife 26 also has a relief surface E whose size depends on the material to be cut.
Die axiale Beweglichkeit ermöglicht ein Anpressen des Messers 26 durch das in Pfeilrichtung 32 herantransportierte Schneidgut gegen die The axial mobility allows pressing of the blade 26 by the transported in the direction of arrow 32 Schneidgut against the
Lochscheibe 12. Durch die schwimmende Lagerung kann das Messer dabei auch dann vollflächig an der Lochscheibe 11 anliegen, wenn diese nicht exakt parallel zum Messerhalter 11 ausgerichtet ist. Weiter kann das Schneidgut das Messer 26 in Drehung versetzen, wodurch sich eine sehr gute Schnittqualität ergibt, wie Versuche gezeigt haben. Das von den Öffnungen 19, 20 von der Lochscheibe 12 festgehaltene Material wird zu einem deutlich höheren Prozentsatz tatsächlich geschnitten und nicht durch Quetschen zerkleinert, wie dies bei herkömmlichen Messersätzen der Fall ist. Perforated disk 12. Due to the floating bearing, the knife can also rest against the perforated disk 11 over its full area if it is not aligned exactly parallel to the knife holder 11. Further, the material to be cut can set the knife 26 in rotation, resulting in a very good quality cut, as experiments have shown. The material trapped by apertures 19, 20 from apertured disc 12 is actually cut to a significantly higher percentage than crushed by squeezing, as is the case with conventional knife sets.
Wie Fig. 3 zeigt, weist das Messer 26 drei Flügel 33, 34, 35 auf, die an ihrem äußeren Umfang jeweils Klingen 36, 37, 38 tragen, die im As shown in FIG. 3, the knife 26 has three wings 33, 34, 35 which carry at their outer periphery respectively blades 36, 37, 38, which in the
dargestellten Beispiel mit einem Wellenschliff versehen sind. Die example provided with a serration are provided. The
Klingen 36, 37, 38 sind kreisbogenförmig gestaltet und haben alle den gleichen radialen Abstand zur Rotationsachse A des Messers 26. Blades 36, 37, 38 are circular arc-shaped and all have the same radial distance from the axis of rotation A of the knife 26.
Die dargestellte Messerform ist dabei lediglich beispielhaft. Das Messer 26 könnte auch rund sein, d. h. keine Flügel 33, 34, 35 aufweisen und eine kreisförmige oder polygonale Klinge tragen. Die Form des Messers 26 kann entsprechend dem zu verarbeitenden Schneidgut und des The illustrated blade shape is merely exemplary. The knife 26 could also be round, d. H. have no wings 33, 34, 35 and carry a circular or polygonal blade. The shape of the blade 26 can be adjusted according to the material to be cut and the
herzustellenden Endprodukts gewählt werden. Durch die einfache Steckverbindung zwischen Messer 26 und Messerhalter 11 können diebe selected to be produced end product. By the simple Plug connection between the knife 26 and knife holder 11, the
Messer rasch gegen Messer anderer Form ausgetauscht werden. Knives are quickly replaced with knives of other shapes.

Claims

P a t e n t a n s p r ü c h e : P a t e n t a n c e rs:
1. Messersatz für einen Fleischwolf mit mindestens einer 1. Knife set for a meat grinder with at least one
Lochscheibe ( 12, 14) und einem durch die Welle (15) des  Perforated disc (12, 14) and one through the shaft (15) of the
Fleischwolfs rotierend antreibbaren Messerhalter ( 11, 13), dadurch gekennzeichnet, dass an dem Messerhalter ( 11, 13) mehrere Messer (25, 26, 27, 28) um Achsen, die parallel zur Welle ( 15) des Fleischwolfs ausgerichtet sind, drehbar  Meat grinder rotatably driven knife holder (11, 13), characterized in that on the knife holder (11, 13) a plurality of knives (25, 26, 27, 28) about axes which are aligned parallel to the shaft (15) of the meat grinder, rotatable
angeordnet sind.  are arranged.
2. Messersatz nach Anspruch 1 , dadurch gekennzeichnet, dass die Rotationsachsen (R) der Messer (25, 26, 27, 28) auf einem oder mehreren Kreisen um die Wellenachse (W) des Fleischwolfs angeordnet sind. 2. Knife set according to claim 1, characterized in that the axes of rotation (R) of the knives (25, 26, 27, 28) are arranged on one or more circles about the shaft axis (W) of the meat grinder.
3. Messersatz nach Anspruch 2, dadurch gekennzeichnet, dass die Messer (25, 26, 27, 28) jeweils den gleichen Winkelabstand aufweisen. 3. knife set according to claim 2, characterized in that the knives (25, 26, 27, 28) each have the same angular distance.
4. Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Messer (25, 26, 27, 28) 4. knife set according to one of the preceding claims, characterized in that the knives (25, 26, 27, 28)
drehsymmetrisch ausgebildet sind.  are formed rotationally symmetrical.
5. Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Messer (25, 26, 27, 28) an ihrem Umfang mit Klingen (36, 37, 38) versehen sind. Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Messer (25, 26, 27, 28) mehrere Flügel (33, 34, 35) aufweisen, die jeweils mit 5. Knife set according to one of the preceding claims, characterized in that the knives (25, 26, 27, 28) are provided at their periphery with blades (36, 37, 38). Knife set according to one of the preceding claims, characterized in that the knives (25, 26, 27, 28) have a plurality of wings (33, 34, 35), each with
Klingen (36, 37, 38) versehen sind.  Blades (36, 37, 38) are provided.
Messersatz nach Anspruch 6, dadurch gekennzeichnet, dass die Klingen (36, 37, 38) am radial äußeren Umfang der Knife set according to claim 6, characterized in that the blades (36, 37, 38) on the radially outer periphery of
Flügel (33, 34, 35) angeordnet sind.  Wings (33, 34, 35) are arranged.
Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Klingen (36, 37, 38) einen Knife set according to one of the preceding claims, characterized in that the blades (36, 37, 38) have a
Schneidwinkel von 30° bis 60° mit der Lochscheibe (12, 14) bilden.  Cutting angle of 30 ° to 60 ° with the perforated disc (12, 14) form.
Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Messer (25, 26, 27, 28) mittels einer Steckverbindung auswechselbar an dem Messerhalter (11, 13) angeordnet sind. Knife set according to one of the preceding claims, characterized in that the knives (25, 26, 27, 28) are interchangeable by means of a plug connection to the knife holder (11, 13).
Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Messer (25, 26, 27, 28) axial beweglich im Messerhalter (11, 13) angeordnet sind. Knife set according to one of the preceding claims, characterized in that the knives (25, 26, 27, 28) are arranged axially movably in the knife holder (11, 13).
Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Messer (25, 26, 27, 28) schwimmend im Messerhalter (11, 13) gelagert sind. Knife set according to one of the preceding claims, characterized in that the knives (25, 26, 27, 28) are mounted in a floating manner in the knife holder (11, 13).
12. Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Messerhalter (11, 13) scheibenförmig ausgebildet ist. 12. knife set according to one of the preceding claims, characterized in that the knife holder (11, 13) is disc-shaped.
13. Messersatz nach einem der Ansprüche 1 bis 9, dadurch 13. knife set according to one of claims 1 to 9, characterized
gekennzeichnet, dass der Messerhalter ( 11, 13) mehrere  characterized in that the knife holder (11, 13) more
Flügel (21, 22, 23, 24) aufweist, an denen jeweils mindestens ein Messer (25, 26, 27, 28) angeordnet ist.  Wing (21, 22, 23, 24), on each of which at least one knife (25, 26, 27, 28) is arranged.
14. Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Messerhalter ( 11, 13) und/oder die Messer (25, 26, 27, 28) Öffnungen zum Abführen nicht 14. Knife set according to one of the preceding claims, characterized in that the knife holder (11, 13) and / or the knives (25, 26, 27, 28) openings for discharging not
zerkleinerbaren Schneidgutes aufweisen.  have shredded material to be cut.
Messersatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er mindestens zwei Lochscheiben (12, 14) mit davor angeordneten Messerhaltern (11, 13) mit Knife set according to one of the preceding claims, characterized in that it comprises at least two perforated discs (12, 14) with knife holders (11, 13) arranged in front of it
Messern (25, 26, 27, 28) aufweist, wobei die  Knife (25, 26, 27, 28), wherein the
Lochscheiben (12, 14) in Durchlaufrichtung (32) des  Perforated discs (12, 14) in the direction of passage (32) of the
Schneidgutes einen zunehmend kleineren Lochdurchmesser aufweisen.  Cut material have an increasingly smaller hole diameter.
EP13753171.1A 2012-09-05 2013-08-21 Blade assembly for a meat mincing machine Active EP2892650B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012108245.6A DE102012108245A1 (en) 2012-09-05 2012-09-05 Knife set for a meat grinder
PCT/EP2013/067398 WO2014037223A1 (en) 2012-09-05 2013-08-21 Blade set for a meat grinder

Publications (2)

Publication Number Publication Date
EP2892650A1 true EP2892650A1 (en) 2015-07-15
EP2892650B1 EP2892650B1 (en) 2017-05-17

Family

ID=49035585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13753171.1A Active EP2892650B1 (en) 2012-09-05 2013-08-21 Blade assembly for a meat mincing machine

Country Status (6)

Country Link
US (1) US9643189B2 (en)
EP (1) EP2892650B1 (en)
CN (1) CN104768650B (en)
DE (1) DE102012108245A1 (en)
ES (1) ES2637246T3 (en)
WO (1) WO2014037223A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108405148B (en) * 2018-02-27 2020-06-09 瀚蓝驼王生物科技(广东)有限公司 Animal meat and bone meal processingequipment dies of illness
DE102020108424A1 (en) 2020-03-26 2021-09-30 Greiner Maschinenbau Gmbh Knife, knife set and meat grinder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1889381A (en) * 1930-10-21 1932-11-29 William R Rush Food chopper
GB363229A (en) * 1931-02-24 1931-12-17 Adrianus Wilhelmus Van Berkel Improvements relating to mincing machines
DE577208C (en) * 1931-11-22 1933-05-26 August Storck Knife head for meat wolves
DE679144C (en) * 1937-12-14 1939-07-29 Turner Akt Ges Maschf Knife disc for skinning devices
DE4437144B4 (en) 1994-10-18 2006-04-13 Wolfgang Greiner Knife set for a meat grinder and blade insert for such
DE29905706U1 (en) * 1999-03-27 1999-07-08 Kraemer & Grebe Kg Device for chopping and sorting food

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014037223A1 *

Also Published As

Publication number Publication date
EP2892650B1 (en) 2017-05-17
WO2014037223A1 (en) 2014-03-13
DE102012108245A1 (en) 2014-03-06
US20150251189A1 (en) 2015-09-10
US9643189B2 (en) 2017-05-09
CN104768650A (en) 2015-07-08
ES2637246T3 (en) 2017-10-11
CN104768650B (en) 2017-11-07

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