EP2845649A1 - Cutting device - Google Patents
Cutting device Download PDFInfo
- Publication number
- EP2845649A1 EP2845649A1 EP20140002977 EP14002977A EP2845649A1 EP 2845649 A1 EP2845649 A1 EP 2845649A1 EP 20140002977 EP20140002977 EP 20140002977 EP 14002977 A EP14002977 A EP 14002977A EP 2845649 A1 EP2845649 A1 EP 2845649A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- outer ring
- knife
- cutting device
- blade
- bead
- 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
Links
- 235000013372 meat Nutrition 0.000 claims abstract description 28
- 239000011324 bead Substances 0.000 claims description 28
- 210000003746 feather Anatomy 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Images
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
- B02C18/305—Details
-
- 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
Definitions
- the invention relates to a cutting device, in particular for a meat grinder, which comprises an outer ring in addition to the actual knife.
- Conventional meat grinders are known to have a cutting set, each with arranged between two perforated discs knives. This formed from perforated discs and knives cutting set is held together with bias in the axial direction of the mincer.
- the cutting set of such a mincer is exposed to high loads.
- the material to be shredded is moved by the conveyor screw in the axial direction and pressed with high pressure against the cutting set and thus against the perforated discs and knives.
- the HD knives used for this purpose must be designed for such a high-performance use (heavy duty). A good cutting effect is achieved in particular when the blades and perforated disks have a high parallelism with each other.
- the area of the screw connection for attaching the cutting edges and the area of the screw connection between the knife and the outer ring can be contaminated by the material to be cut when the knife is used, so that such a cutting device must be laboriously cleaned prior to reinsertion into the meat grinder in order to meet the hygiene requirements to wear.
- the invention is therefore based on the object to ensure the reliability of a cutting device for high-performance use and reduce the cost of disassembly and replacement, taking into account the hygiene requirements.
- a cutting device which comprises an outer ring and a rotatable knife disposed within the outer ring.
- the knife is releasably held on the outer ring.
- no screw are provided and thus has such in the Meat grinder used cutting device no screw in the work area of the mincer.
- Such a knife can be used in particular as part of a cutting set for a meat grinder between two perforated discs and has a suitable bore in the central hub for non-rotatable connection with the pin of the auger of the meat grinder. This allows a torque-transmitting bearing of the knife during a rotational movement in a direction initiated by the screw conveyor of the mincer rotation direction.
- a plurality of blade wings extending outwardly from the hub and each provided with double sided cutting edges. These cutting are, for example, on adjacent perforated discs of the mincer.
- the detachably connected with the knife outer ring is designed in this case as an open ring. This means that the ring has a gap in the annular wall. The ends of the open outer ring are arranged in alignment with each other and form the gap, which has such a length that the provided in the housing of the mincer wedge to secure the rotationally fixed arrangement of the perforated discs and the outer rings in the assembled state of the cutting device can engage in the gap and the rotatable arrangement of this outer ring ensures.
- the knife can be released from the outer ring in the disassembled state, in which the open outer ring is widened manually or by means of a tool, whereby the gap of the open outer ring increases and the knife can fall out or be taken out. If no replacement of the knife done, remain in the disassembled state of the outer ring and the knife captive connected.
- a positive connection between the open outer ring and the knife is provided in such a way that the knife is rotatably supported on the outer ring.
- a positive connection for example, be realized such that at the Inside the open outer ring, at least over a partial circumference, a bead is provided, which cooperates with one or more grooves on the knife.
- the knife is, for example, a ring knife in which the outer wing edges of the blade wings are connected to one another via an annular blade ring, then such a circumferential groove is provided on the outside of the blade collar, which can receive the bead on the outer ring.
- both knife designs namely the ring knife with knife ring or the knife star without knife ring, can be held in this open outer ring, since the bead of the outer ring cooperates with the groove or grooves of the knife.
- the bead is smaller in its cross-section than the dimensions of the groove, ie smaller in width and smaller in height, so that no contact of the outer ring takes place during the rotational movement of the knife.
- a fixing aid can be provided which holds the open outer ring to the exact desired diameter.
- This fixing aid may be a key having the same diameter as the bead and inserted between the bead ends and connected to the ends of the outer ring. The key has a greater length than the desired length of the gap between the ends of the open outer ring.
- the feather key has at the side facing the inside of the outer ring two blind holes, which are provided with inserted feather key in each case one through hole in the region of the two ends of the open ring, so that an externally inserted fastening screw engage in the blind holes can. Since the sides of the feather key, which are in contact with the working space of the meat grinder, are smooth, disassembly of the cutter does not require extensive cleaning and replacement of the screw means to meet the hygiene requirements.
- Fig. 1 to 3 each show an embodiment of the cutting device according to the invention, wherein the left part of each figure is a sectional view and the right part of the respective figure is a plan view of the cutting device. Equal parts of the respective cutting devices are provided with the same reference numerals.
- the cutting device shown can be used in particular as part of a cutting set of a meat grinder and is then driven by the drive shaft of the meat grinder in the direction of the arrow D.
- the rotary knife 10 has a central hub 11 with bore 12, which has the shape of a slot and thus torque transmitting can be coupled with the drive shaft of the mincer.
- a four-bladed knife 10 is shown.
- the number of blade wings 13 may vary depending on the application, ie, more or less blade wings 13 may be provided.
- These blade blades 13 have a cutting edge 17 pointing in the direction of rotation D.
- These blade blades 13 are formed of solid metallic solid material and taper from the central hub 11 to the outer wing edge 14.
- the blade 17 comprises two cutting edges that are inserted in a meat grinder abut adjacent perforated discs.
- the cutting edges 17 are integrally formed with the respective blade wings 13. So there is no screw provided in the work area of the mincer.
- the blade wings 13 have in the region of the cutting edges 17 a width which corresponds to the width of the outer ring 20.
- the width of the blade 10 in the region of the cutting edges 17 may also be slightly smaller compared to the width of the outer ring 20; for example, the cutting edges 17 may be narrower than the outer ring 20 by 0.1 to 0.15 mm ,
- the knife 10 is rotatably held in the outer ring 20.
- the knife 10 has at the outer wing edges 14 each have a groove 16.
- This groove 16 can be seen in the figures in the upper area, the sectional view.
- the depth and the width of the groove 16 is so large that the rotational movement in the direction of rotation D of the knife 10 is not impaired, the knife 10 runs freely, without touching the bead 24 of the outer ring 20, that is, the depth and the width of the groove sixteenth is slightly larger than the height or the width of the bead 24, which is provided on the inside of the outer ring 20.
- This bead 24 is formed integrally with the outer ring 20.
- the bead 24 extends circumferentially from one end 21 to the other end 22 of the outer ring 20.
- the bead ends 26 have an inwardly leading Austechnologyschräge 25. This extension bevel 25 facilitates the removal of the blade 10 in a blade change.
- the knife 10 is releasably held in the open outer ring 20 by means of a loose positive connection. This loose form-fit connection exists only so that when dismantling the cutting device where no blade change is provided, the knife 10 remains captive in the associated outer ring 20.
- the open outer ring 20 is pulled apart at its two ends 21, 22, so that the gap 23 increases, which has a length L in the initial state.
- This length L of the gap 23 is chosen so that when installed cutting device provided in the housing of the mincer wedge for non-rotatable mounting of the perforated discs and the outer rings can engage in the gap 23 and ensures the rotationally fixed arrangement of the outer ring 20 in the meat grinder.
- the expansion of the outer ring 20 can be done manually or in larger and wider outer rings 20 by means of a tool. Subsequently, when the same knife 10 or other suitable knife 10 is inserted into the outer ring 20, the outer ring 20 must be returned to its original shape, i. possibly compressed so far that the ends 21, 22 of the open outer ring 20 define a gap 23 of the intended length L, to allow mounting of the cutting device in the meat grinder.
- the Fig. 2 shows the knife 10 of Fig. 1 but inserted into another outer ring 20.
- the bead ends 26 of the bead 24 do not extend to the gap 23.
- a fitting groove 27 in every bead end 26 formed a fitting groove 27.
- a separate key 30 is inserted here, the ends of which are convexly shaped to match the shape of the fitting grooves 27.
- the feather key 30 has two blind bores 31 whose openings point outwards in each case.
- a blind hole 31 is aligned with a through hole 28 in the region of the end 21 of the outer ring 20 and the other blind hole 31 is in alignment with a through hole 28 in the region of the end 22 of the outer ring 20th
- a fastening screw 40 in particular a screw with a countersunk head, is screwed into each through-bore 28 of the outer ring 20, which can be screwed into the blind hole 31 of the key 30.
- the countersunk head of the fastening screw does not protrude beyond the circumference of the outer ring 20, this screw connection has no contact with the working space of the meat grinder, so that after disassembly no costly cleaning in the screw must be provided.
- the key 30 fixes the two ends 21, 22 of the outer ring 20 at a certain distance from each other, namely at a distance corresponding to the length L of the gap 23 in the initial state.
- This means that the outer ring 20 is fixed exactly to the desired outer diameter and can easily be introduced together with the knife 10 in the meat grinder.
- the outer ring 20 is used in use for adjusting the axial distance of the blade 10 to the adjacent perforated discs and ensures a print carrier as free as possible rotational movement of the blade 10th
- Fig. 3 shows a further cutting device with a knife 10 and an open outer ring 20 which is integrally formed with a bead 24.
- the knife 10 has blade wings 13, which are connected to each other at their outer wing edge 14 via a modified blade ring 15.
- the cooperating with the bead 24 groove 16 is formed as a circumferential groove 16 in the outside of the blade ring 15.
- This groove 16 also has such a width and depth that it has a small distance to the circumferential bead 24 on the outer ring 20.
- the invention is not limited to the exemplary embodiments shown. In addition, further modifications are possible in order to realize a holding of the blade 10 in the outer ring 20.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Processing Of Meat And Fish (AREA)
Abstract
Die Erfindung betrifft eine Schneideinrichtung, insbesondere für einen Fleischwolf, mit einem Außenring (20) und einem innerhalb des Außenrings (20) angeordneten drehbeweglichen Messer (10), wobei das Messer (10) lösbar an einem offenen Außenring (20) gehalten ist und hierfür keinerlei Schraubverbindungen vorgesehen sind, was unter Berücksichtigung der Hygieneanforderungen den Aufwand für eine Demontage und den Wiedereinbau reduziert.The invention relates to a cutting device, in particular for a meat grinder, with an outer ring (20) and within the outer ring (20) arranged rotatable knife (10), wherein the knife (10) is detachably held on an open outer ring (20) and for this purpose no screw connections are provided, which reduces the expense of disassembly and replacement, taking into account the hygiene requirements.
Description
Die Erfindung betrifft eine Schneideinrichtung, insbesondere für einen Fleischwolf, welche neben dem eigentlichen Messer einen Außenring umfasst.The invention relates to a cutting device, in particular for a meat grinder, which comprises an outer ring in addition to the actual knife.
Herkömmliche Fleischwölfe weisen bekanntlich einen Schneidsatz auf, mit jeweils zwischen zwei Lochscheiben angeordneten Messern. Dieser aus Lochscheiben und Messern gebildete Schneidsatz wird mit Vorspannung in Axialrichtung des Fleischwolfes zusammengehalten. Insbesondere in der fleischverarbeitenden Industrie wird der Schneidsatz eines solchen Fleischwolfes hohen Belastungen ausgesetzt. Während des Betriebes des Fleischwolfes wird das zu zerkleinernde Gut durch die Förderschnecke in Axialrichtung bewegt und mit hohem Druck gegen den Schneidsatz und damit gegen die Lochscheiben und Messer gepresst. Die hierfür eingesetzten HD-Messer müssen für einen solchen Hochleistungseinsatz (Heavy Duty) ausgelegt sein. Eine gute Schneidwirkung wird insbesondere dann erreicht, wenn die Messer und Lochscheiben eine hohe Parallelität zueinander aufweisen. Es ist bekannt, im Bereich des HD-Messers einen Außenring zu verwenden. Dieser ist im Gehäuse des Fleischwolfes gegen Verdrehung gesichert und dient zur Einstellung des axialen Abstandes des Messers zu den benachbarten Lochscheiben. Der Außenring nimmt des Weiteren beim Hochleistungseinsatz als Druckträger Axialkräfte auf. Das innerhalb dieses Außenrings drehbeweglich angeordnete Messer kann sich frei bewegen. Nach einer gewissen Gebrauchsdauer ist es notwendig, die Schneiden der Messer nachzuschleifen, um ein gute Schneidqualität zu gewährleisten. Hierzu wird der Schneidsatz, d.h. das Messer zusammen mit dem Außenring, aus dem Fleischwolf entnommen. Zur Einhaltung der Parallelität beim Einbau der Messer in den Fleischwolf ist es wichtig, dass der Außenring und das zugehörige Messer nicht verwechselt werden, d.h. ein Messer ist immer auf einen Außenring abgestimmt. Sind Messer und Außenring nicht miteinander verbunden, kann es bei einer Demontage, z.B. zum Nachschleifen der Schneiden des Messers, schnell zu Verwechslungen kommen und ein Messer mit einem nicht zugehörigen Außenring in den Fleischwolf eingesetzt werden.Conventional meat grinders are known to have a cutting set, each with arranged between two perforated discs knives. This formed from perforated discs and knives cutting set is held together with bias in the axial direction of the mincer. In particular, in the meat processing industry, the cutting set of such a mincer is exposed to high loads. During operation of the meat grinder, the material to be shredded is moved by the conveyor screw in the axial direction and pressed with high pressure against the cutting set and thus against the perforated discs and knives. The HD knives used for this purpose must be designed for such a high-performance use (heavy duty). A good cutting effect is achieved in particular when the blades and perforated disks have a high parallelism with each other. It is known to use an outer ring in the area of the HD knife. This is secured in the housing of the meat grinder against rotation and serves to adjust the axial distance of the knife to the adjacent perforated discs. Furthermore, the outer ring absorbs axial forces as a pressure carrier during high-performance use. The knife rotatably mounted within this outer ring can move freely. After a certain period of use, it is necessary to regrind the blades of the knives to ensure good cutting quality. For this purpose, the cutting set, ie the knife together with the outer ring, removed from the meat grinder. To maintain the parallelism when installing the knife in the meat grinder, it is important that the outer ring and the associated knife is not confused be, ie a knife is always tuned to an outer ring. If the knife and outer ring are not connected to each other, it can quickly be confused when disassembling, for example for regrinding the cutting edges of the knife, and a knife with an unrelated outer ring can be inserted into the meat grinder.
Dieser Nachteil wurde bei einem Messer für Fleischwölfe gemäß dem deutschen Patent
Der Erfindung liegt daher die Aufgabe zugrunde, die Funktionssicherheit einer Schneideinrichtung für den Hochleistungseinsatz zu gewährleisten und unter Berücksichtigung der Hygieneanforderungen den Aufwand für eine Demontage und den Wiedereinbau zu reduzieren.The invention is therefore based on the object to ensure the reliability of a cutting device for high-performance use and reduce the cost of disassembly and replacement, taking into account the hygiene requirements.
Die Aufgabe wird mit einer Schneideinrichtung gelöst, welche einen Außenring und ein innerhalb des Außenrings angeordnetes drehbewegliches Messer umfasst. Hierbei ist das Messer lösbar am Außenring gehalten. Hierfür sind keinerlei Schraubverbindungen vorgesehen und damit besitzt eine solche im Fleischwolf eingesetzte Schneideinrichtung keinerlei Schraubverbindungen im Arbeitsbereich des Fleischwolfs. Ein solches Messer kann insbesondere als Teil eines Schneidsatzes für einen Fleischwolf zwischen zwei Lochscheiben eingesetzt werden und besitzt zur drehfesten Verbindung mit dem Zapfen der Förderschnecke des Fleischwolfes eine passende Bohrung in der zentralen Nabe. Dies ermöglicht eine drehmomentübertragende Lagerung des Messers bei einer Drehbewegung in eine durch die Förderschnecke des Fleischwolfes initiierte Drehrichtung. Um die Nabe des Messers sind mehrere Messerflügel angeordnet, die sich von der Nabe nach außen erstrecken und jeweils mit doppelseitigen Schneiden versehen sind. Diese Schneiden liegen beispielsweise an benachbarten Lochscheiben des Fleischwolfs an. Der mit dem Messer lösbar verbundene Außenring ist in diesem Fall als offener Ring ausgestaltet. Dies bedeutet, der Ring besitzt einen Spalt in der Ringwandung. Die Enden des offenen Außenring sind dabei fluchtend zueinander angeordnet und bilden den Spalt, der eine solche Länge besitzt, dass der im Gehäuse des Fleischwolfes vorgesehene Keil zur Sicherung der drehfesten Anordnung der Lochscheiben und der Außenringe im Montagezustand der Schneideinrichtung in den Spalt eingreifen kann und die drehfeste Anordnung dieses Außenringes sichert.The object is achieved with a cutting device which comprises an outer ring and a rotatable knife disposed within the outer ring. Here, the knife is releasably held on the outer ring. For this purpose, no screw are provided and thus has such in the Meat grinder used cutting device no screw in the work area of the mincer. Such a knife can be used in particular as part of a cutting set for a meat grinder between two perforated discs and has a suitable bore in the central hub for non-rotatable connection with the pin of the auger of the meat grinder. This allows a torque-transmitting bearing of the knife during a rotational movement in a direction initiated by the screw conveyor of the mincer rotation direction. Arranged around the hub of the knife are a plurality of blade wings extending outwardly from the hub and each provided with double sided cutting edges. These cutting are, for example, on adjacent perforated discs of the mincer. The detachably connected with the knife outer ring is designed in this case as an open ring. This means that the ring has a gap in the annular wall. The ends of the open outer ring are arranged in alignment with each other and form the gap, which has such a length that the provided in the housing of the mincer wedge to secure the rotationally fixed arrangement of the perforated discs and the outer rings in the assembled state of the cutting device can engage in the gap and the rotatable arrangement of this outer ring ensures.
Wird zu einem Auswechseln oder Schleifen des Messers die Schneideinrichtung dem Fleischwolf entnommen, so kann im demontierten Zustand das Messer aus dem Außenring heraus gelöst werden, in dem der offene Außenring manuell oder mittels eines Werkzeuges aufgeweitet wird, wobei sich der Spalt des offenen Außenrings vergrößert und das Messer herausfällt oder herausgenommen werden kann. Soll kein Auswechseln des Messers erfolgen, bleiben im demontierten Zustand der Außenring und das Messer unverlierbar miteinander verbunden.If the cutting device is removed from the meat grinder for replacement or grinding of the knife, the knife can be released from the outer ring in the disassembled state, in which the open outer ring is widened manually or by means of a tool, whereby the gap of the open outer ring increases and the knife can fall out or be taken out. If no replacement of the knife done, remain in the disassembled state of the outer ring and the knife captive connected.
Bei einer bevorzugten Ausführungsform wird eine formschlüssige Verbindung zwischen dem offenen Außenring und dem Messer vorgesehen und zwar in der Weise, dass das Messer drehbeweglich am Außenring gehalten ist. Eine solche Formschlussverbindung kann beispielsweise derart realisiert werden, dass an der Innenseite des offenen Außenrings, zumindest über einen Teilumfang eine Wulst vorgesehen ist, die mit einer oder mehreren Nuten am Messer zusammenwirkt. Handelt es sich bei dem Messer beispielsweise um ein Ringmesser, bei dem die äußeren Flügelränder der Messerflügel über einen ringförmigen Messerkranz miteinander verbunden sind, so wird an der Außenseite des Messerkranzes eine solche umlaufende Nut vorgesehen, die die Wulst am Außenring aufnehmen kann. Ist ein solcher Messerkranz nicht vorhanden, so wird jeweils eine in Drehrichtung weisende Nut an jedem Messerflügel und zwar an dessen äußerem Flügelrand vorgesehen. Es können also beide Messerausführungen, nämlich das Ringmesser mit Messerkranz oder der Messerstern ohne Messerkranz in diesem offenen Außenring gehalten werden, da die Wulst des Außenrings mit der oder den Nuten des Messers zusammenwirkt. Die Wulst ist in ihrem Querschnitt dabei kleiner als die Abmessungen der Nut, d.h. kleiner in der Breite und kleiner in der Höhe, so dass bei der Drehbewegung des Messers keine Berührung des Außenrings erfolgt.In a preferred embodiment, a positive connection between the open outer ring and the knife is provided in such a way that the knife is rotatably supported on the outer ring. Such a positive connection, for example, be realized such that at the Inside the open outer ring, at least over a partial circumference, a bead is provided, which cooperates with one or more grooves on the knife. If the knife is, for example, a ring knife in which the outer wing edges of the blade wings are connected to one another via an annular blade ring, then such a circumferential groove is provided on the outside of the blade collar, which can receive the bead on the outer ring. If such a ring gear is not present, then a groove pointing in the direction of rotation is provided on each blade wing, specifically on its outer wing edge. Thus, both knife designs, namely the ring knife with knife ring or the knife star without knife ring, can be held in this open outer ring, since the bead of the outer ring cooperates with the groove or grooves of the knife. The bead is smaller in its cross-section than the dimensions of the groove, ie smaller in width and smaller in height, so that no contact of the outer ring takes place during the rotational movement of the knife.
In gleicher Weise ist auch eine umgekehrte Anordnung möglich, nämlich, in dem eine Nut an der Innenseite des offenen Außenrings vorgesehen wird und jeweils eine wulstartige Erhebung am Messerkranz oder an den äußeren Enden der Messerflügel. Bevorzugt ist jedoch die zuerst beschriebene Ausführung.In the same way, a reverse arrangement is possible, namely, in which a groove is provided on the inside of the open outer ring and in each case a bead-like elevation on the knife ring or at the outer ends of the blade wings. However, the embodiment described first is preferred.
Soll eine neu mit einem Messer bestückte Schneideinrichtung wieder in den Fleischwolf eingesetzt werden, muss nach dem Aufweiten des offenen Außenrings gegebenenfalls wieder ein Zurückbiegen des Außenrings in die Ausgangsform mit dem gewünschten Ausgangsdurchmesser erfolgen und dieser gewünschte Ausgangsdurchmesser während der Montage in den Fleischwolf gehalten werden. Hierfür kann eine Fixierhilfe vorgesehen werden, die den offenen Außenring auf den genau gewünschten Durchmesser hält. Diese Fixierhilfe kann eine Passfeder sein, die den gleichen Durchmesser wie die Wulst aufweist und zwischen den Wulstenden eingefügt und mit den Enden des Außenrings verbunden ist. Die Passfeder besitzt eine größere Länge als die gewünschte Länge des Spalts zwischen den Enden des offenen Außenringes. Bei einer besonderen Ausführungsform besitzt die Passfeder an der zur Innenseite des Außenrings weisenden Seite zwei Sacklochbohrungen, die bei eingesetzter Passfeder fluchtend zu jeweils einer Durchgangsbohrung im Bereich der beiden Enden des offenen Rings vorgesehen sind, so dass eine von außen eingefügte Befestigungsschraube bis in die Sacklochbohrungen eingreifen kann. Da die Seiten der Passfeder, die Kontakt zum Arbeitsraum des Fleischwolfs haben, glatt sind, ist bei einer Demontage der Schneideinrichtung keine aufwendige Reinigung und kein Ersetzen der Schraubmittel notwendig, um den Hygieneanforderungen zu entsprechen.If a newly equipped with a knife cutter is used again in the meat grinder, after the expansion of the open outer ring may need to be bent back again the outer ring in the initial shape with the desired output diameter and this desired output diameter to be kept during assembly in the meat grinder. For this purpose, a fixing aid can be provided which holds the open outer ring to the exact desired diameter. This fixing aid may be a key having the same diameter as the bead and inserted between the bead ends and connected to the ends of the outer ring. The key has a greater length than the desired length of the gap between the ends of the open outer ring. In a particular embodiment, the feather key has at the side facing the inside of the outer ring two blind holes, which are provided with inserted feather key in each case one through hole in the region of the two ends of the open ring, so that an externally inserted fastening screw engage in the blind holes can. Since the sides of the feather key, which are in contact with the working space of the meat grinder, are smooth, disassembly of the cutter does not require extensive cleaning and replacement of the screw means to meet the hygiene requirements.
Die Merkmale und Vorteile der Erfindung werden nachfolgend anhand der Zeichnungen näher erläutert. Es zeigen:
- Fig. 1:
- eine Ansicht einer erfindungsgemäßen Schneideinrichtung,
- Fig. 2:
- eine Ansicht einer weiteren erfindungsgemäßen Schneideinrichtung,
- Fig. 3:
- eine Ansicht einer dritten erfindungsgemäßen Schneideinrichtung.
- Fig. 1:
- a view of a cutting device according to the invention,
- Fig. 2:
- a view of a further cutting device according to the invention,
- 3:
- a view of a third cutting device according to the invention.
Die
Die in
Das Messer 10 wird drehbeweglich im Außenring 20 gehalten. Dazu besitzt das Messer 10 an den äußeren Flügelrändern 14 jeweils eine Nut 16. Diese Nut 16 ist in den Figuren im oberen Bereich, der Schnittansicht, zu sehen. Die Tiefe und die Breite der Nut 16 ist so groß, dass die Drehbewegung in Drehrichtung D des Messers 10 nicht beeinträchtigt ist, das Messer 10 läuft frei, ohne Berührung der Wulst 24 des Außenrings 20, d.h. auch die Tiefe und die Breite der Nut 16 ist geringfügig größer als die Höhe oder die Breite der Wulst 24, die an der Innenseite des Außenrings 20 vorgesehen ist. Diese Wulst 24 ist einstückig mit dem Außenring 20 ausgebildet. Im Ausführungsbeispiel gemäß
Das Messers 10 wird im offenen Außenring 20 mittels einer lockeren Formschlussverbindung lösbar gehalten. Diese lockere Formschlussverbindung besteht nur, damit bei einer Demontage der Schneideinrichtung, wo kein Messerwechsel vorgesehen ist, das Messer 10 unverlierbar im zugehörigen Außenring 20 verbleibt.The
Für das Herauslösen des Messers 10 aus dem Außenring 20 ist der offene Außenring 20 geringfügig aufzuweiten, damit die lockere Formschlussverbindung zwischen dem Messer 10 mit den Nuten 16 und dem Außenring 20 mit der Wulst 24 gelöst werden kann. Dazu wird der offene Außenring 20 an seinen beiden Enden 21, 22 auseinandergezogen, so dass sich der Spalt 23 vergrößert, welcher im Ausgangszustand eine Länge L besitzt. Diese Länge L des Spaltes 23 ist so gewählt, dass bei eingebauter Schneideinrichtung ein im Gehäuse des Fleischwolfs vorgesehener Keil zur drehfesten Lagerung der Lochscheiben und der Außenringe in den Spalt 23 eingreifen kann und die drehfeste Anordnung des Außenrings 20 im Fleischwolf gewährleistet.For the detachment of the
Wird es notwendig, ein Messer 10 auszuwechseln, d.h. aus dem Außenring 20 herauszunehmen, so kann das Aufweiten des Außenringes 20 manuell oder bei größeren und breiteten Außenringen 20 mit Hilfe eines Werkzeuges erfolgen. Wird anschließend das gleiche Messer 10 oder ein anderes passendes Messer 10 in den Außenring 20 eingesetzt, muss der Außenring 20 wieder in seine Ausgangsform gebracht werden, d.h. gegebenenfalls soweit zusammengedrückt werden, dass die Enden 21, 22 des offenen Außenrings 20 einen Spalt 23 mit der vorgesehenen Länge L begrenzen, um eine Montage der Schneideinrichtung in den Fleischwolf zu ermöglichen.If it becomes necessary to replace a
Die
Die Passfeder 30 fixiert die beiden Enden 21, 22 des Außenrings 20 in einem bestimmten Abstand voneinander, nämlich in einem Abstand, der der Länge L des Spaltes 23 im Ausgangszustand entspricht. Dies bedeutet, der Außenring 20 ist genau auf den gewünschten Außendurchmesser fixiert und kann leicht zusammen mit dem Messer 10 in den Fleischwolf eingeführt werden. Der Außenring 20 dient bei Gebrauch zur Einstellung des axialen Abstandes des Messers 10 zu den benachbarten Lochscheiben und gewährleistet als Druckträger eine möglichst freie Drehbewegung des Messers 10.The key 30 fixes the two ends 21, 22 of the
Die Erfindung ist nicht auf die gezeigten Ausführungsbeispiele beschränkt. Es sind darüber hinaus weitere Abwandlungen möglich, um ein Halten des Messers 10 im Außenring 20 zu realisieren.The invention is not limited to the exemplary embodiments shown. In addition, further modifications are possible in order to realize a holding of the
- 1010
- Messerknife
- 1111
- Nabehub
- 1212
- Bohrungdrilling
- 1313
- Messerflügelknife blades
- 1414
- Flügelrandwing tip
- 1515
- Messerkranzknife rim
- 1616
- Nutgroove
- 1717
- Schneidecutting edge
- 2020
- Außenringouter ring
- 2121
- EndeThe End
- 2222
- EndeThe End
- 2323
- Spaltgap
- 2424
- Wulstbead
- 2525
- AusführschrägeAusführschräge
- 2626
- WulstendeWulstende
- 2727
- Passnutfitting groove
- 2828
- DurchgangsbohrungThrough Hole
- 3030
- PassfederAdjusting spring
- 3131
- SacklochbohrungBlind hole
- 4040
- Befestigungsschraubefixing screw
- DD
- Drehrichtungdirection of rotation
- LL
-
Länge von Spalt 23Length of
gap 23
Claims (11)
dadurch gekennzeichnet,
characterized,
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202013103989U DE202013103989U1 (en) | 2013-09-05 | 2013-09-05 | cutter |
Publications (2)
Publication Number | Publication Date |
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EP2845649A1 true EP2845649A1 (en) | 2015-03-11 |
EP2845649B1 EP2845649B1 (en) | 2020-07-29 |
Family
ID=49475950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14002977.8A Active EP2845649B1 (en) | 2013-09-05 | 2014-08-28 | Cutting device |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2845649B1 (en) |
DE (1) | DE202013103989U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109499425A (en) * | 2018-12-13 | 2019-03-22 | 中天科技光纤有限公司 | A kind of cladding machine equipment |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202016103109U1 (en) | 2016-05-03 | 2017-08-07 | Lumbeck & Wolter Gmbh & Co. Kg | Cutting device, in particular for meat grinders |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4431960C1 (en) | 1994-09-08 | 1995-11-09 | Inofex Gmbh | Cutter blade for meat mincer |
US20010020655A1 (en) * | 2000-03-10 | 2001-09-13 | Paul Vomhof | Grinder used in meat grinding |
DE102010037137A1 (en) | 2010-08-24 | 2012-03-01 | Franz Vorndran | Cutting set for chopper i.e. flesh chopper, has bearing bushes rotating around axis through midpoint of circular perforated disk relative to perforated disk by slide bearing between bushes and perforated disk |
-
2013
- 2013-09-05 DE DE202013103989U patent/DE202013103989U1/en not_active Expired - Lifetime
-
2014
- 2014-08-28 EP EP14002977.8A patent/EP2845649B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4431960C1 (en) | 1994-09-08 | 1995-11-09 | Inofex Gmbh | Cutter blade for meat mincer |
US20010020655A1 (en) * | 2000-03-10 | 2001-09-13 | Paul Vomhof | Grinder used in meat grinding |
DE102010037137A1 (en) | 2010-08-24 | 2012-03-01 | Franz Vorndran | Cutting set for chopper i.e. flesh chopper, has bearing bushes rotating around axis through midpoint of circular perforated disk relative to perforated disk by slide bearing between bushes and perforated disk |
Non-Patent Citations (1)
Title |
---|
"System Unger", 8 May 2013 (2013-05-08), XP055156223, Retrieved from the Internet <URL:https://web.archive.org/web/20130508000645/http://www.lumbeck-wolter.de/system-unger-en.html> [retrieved on 20141202] * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109499425A (en) * | 2018-12-13 | 2019-03-22 | 中天科技光纤有限公司 | A kind of cladding machine equipment |
CN109499425B (en) * | 2018-12-13 | 2023-08-08 | 中天科技光纤有限公司 | Cladding machine equipment |
Also Published As
Publication number | Publication date |
---|---|
EP2845649B1 (en) | 2020-07-29 |
DE202013103989U1 (en) | 2013-09-25 |
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