WO2004078431A1 - Procede et dispositif pour decouper des aliments en pouvant modifier la vitesse de rotation et/ou le sens de rotation du couteau et/ou du rotor - Google Patents

Procede et dispositif pour decouper des aliments en pouvant modifier la vitesse de rotation et/ou le sens de rotation du couteau et/ou du rotor Download PDF

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Publication number
WO2004078431A1
WO2004078431A1 PCT/EP2004/002114 EP2004002114W WO2004078431A1 WO 2004078431 A1 WO2004078431 A1 WO 2004078431A1 EP 2004002114 W EP2004002114 W EP 2004002114W WO 2004078431 A1 WO2004078431 A1 WO 2004078431A1
Authority
WO
WIPO (PCT)
Prior art keywords
speed
knife
food
cutting knife
slicing
Prior art date
Application number
PCT/EP2004/002114
Other languages
German (de)
English (en)
Inventor
Günther Hiederer
Original Assignee
Cfs Kempten 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 Cfs Kempten Gmbh filed Critical Cfs Kempten Gmbh
Publication of WO2004078431A1 publication Critical patent/WO2004078431A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed

Definitions

  • the present invention relates to a method and an apparatus for slicing food, in particular sausage, meat or cheese bars, in which a rotating cutting knife cuts off food slices at one end of the food and the cut slices are arranged in a portion in which / which specifically varies the speed of the cutting knife and / or the rotor and / or the direction of rotation of the rotor and / or the knife is changed.
  • Slicers are well known in the art. In these slicers, 100-1000 slices per minute are cut from a food bar at a constant rotation speed of the cutting knife.
  • the food bar lies on a product support and is transported by it continuously or intermittently in the direction of the cutting knife.
  • the cut food slices are arranged, for example, on a portioning belt to form a portion, for example a stack, which is transferred to a conveyor belt after its completion.
  • portioning, so-called empty cuts have to be carried out by the knife at high numbers of cuts so that there is sufficient time to transfer the finished portion from the portioning belt to the conveyor belt.
  • the empty cuts are produced by moving the food bar and / or the cutting knife out of the cutting plane.
  • the movement of the food bar usually takes place by means of a retraction stroke which is directed away from the cutting plane. Since this movement must take place in the range of a few milliseconds and a food bar often weighs more than 50 kilograms, considerable forces occur during the retraction stroke and the food bar begins to oscillate, so that the number of cuts when slicing food, for example, increases to 1000 cuts per minute or more is very difficult to achieve with the above concept.
  • the object is achieved according to the invention by a method for slicing food, in particular sausage, meat or cheese bars, in which a rotating cutting knife cuts off food slices at one end of the food and the separated slices are arranged in one portion and in which the speed of the Cutting knife and / or a rotor is specifically varied and / or the direction of rotation of the rotor and / or the knife is changed.
  • the rotational speed of the rotating knife and / or of the rotor is not kept constant but is specifically changed. These changes in the speed are carried out in such a way that the desired cutting result and the desired portioning can be achieved.
  • a sickle knife or spiral knife for example, its speed is specifically changed.
  • a preferably rotationally symmetrical circular knife which rotates, for example, one or more drive shafts in a planetary manner, the speed of the rotor and / or the speed of the cutting knife are varied, for example.
  • the speed is preferably changed during the slicing of a portion.
  • the speed of rotation is particularly preferably changed during the slicing of a portion in such a way that cutting is carried out at a reduced speed at the beginning and / or end of the portion.
  • This embodiment of the present invention has the advantage that, due to the slow initial cutting speed, the first disc is not thrown onto the portioning belt so much and therefore does not slip on the portioning belt. The first slice adheres better to the portioning belt. Both the uncut product and the cut product are mechanically less stressed because at least one Slice the last portion comparatively slowly to the end, and the food bar can be withdrawn comparatively slowly if necessary.
  • the food bar is gently moved in the direction of the knife so that the food bar does not have to be re-springed.
  • the speed is increased rapidly, so that the second disc is preferably cut again with the desired, preferably with the maximum possible cutting speed.
  • the speed of rotation is changed between the slicing of two portions.
  • the speed of rotation is particularly preferably reduced after the slicing of one portion and increased again before the slicing of the next portion.
  • This embodiment of the present invention has the advantage that all slices are cut at almost the same speed, but the portioning takes place at a reduced speed, so that both the cut slices and the food bar are subjected to less mechanical stress.
  • the speed of rotation between the slicing of two slices is very particularly preferably reduced to zero. This speed reduction preferably takes place after the slicing of one portion and the speed is preferably increased again to the original speed before the slicing of the next portion.
  • the speed is changed during the slicing of a slice.
  • the food is preferably transported to the cutting knife and possibly away from the cutting knife using a transport device.
  • the transport to the cutting knife takes place continuously or intermittently, but preferably continuously and particularly preferably with a driven product support.
  • the transport away from the cutting knife, the so-called retraction stroke is preferably also carried out with the driven product support and is used to carry out empty cuts.
  • the food bar is particularly preferably transported as a function of the speed of the Cutting blade; ie the feed rate at which the food bar is continuously transported to the cutting knife or the cycle frequency at which the food bar is transported to the cutting knife in cycles are increased or reduced with the speed.
  • the retraction stroke which can be carried out quickly at high speeds and more slowly at lower speeds, without the product escaping.
  • the cut food slices are placed on a downstream, movable unit, for example a portioning belt.
  • the movement of the unit is preferably adapted to the speed of the cutting knife and / or the rotor.
  • a movement in the sense of this preferred embodiment is any movement in a three-dimensional space.
  • the unit is lowered and / or inclined to form a stack. The lowering or inclination then takes place synchronously with the speed of the cutting knife and / or rotor.
  • the unit preferably the portioning belt, must be movable on one level in at least one direction, the movement also being synchronized with the speed of the cutting knife and / or rotor. If further units are arranged after this unit, they are preferably also synchronized with the speed of the cutting knife and / or rotor.
  • the portioning belt is preferably used to compensate for a lateral offset of the product caused by the different rotational speeds and / or for portion formation.
  • a system-related offset can, for example, be used for a shingle.
  • the inventive method is suitable for any speed of the Schnei knife and / or rotor, which are not kept constant over a longer period of time, but are specifically changed.
  • The is preferably maximum, speed of the sickle knife> 1500, preferably> 2000 rpm and a circular knife> 600, preferably> 1000 rpm.
  • the method according to the invention can be carried out with and without an empty cut during portioning. However, preferably no empty cuts are used in the portioning.
  • This embodiment of the method according to the invention has the advantage that no retraction stroke directed away from the cutting knife has to be carried out with the food bar to be cut open.
  • the method according to the invention has the advantage that very high maximum cutting speeds can be achieved without the portioning of the sliced food slices being impaired thereby.
  • the sliced food slices are subjected to much less mechanical stress when portioning than with machines according to the prior art.
  • the same also applies to the food bar, which is accelerated less strongly with an empty cut function than with the prior art. Due to the lower acceleration of the food bar, the product support on which the food is lying can be provided with a smaller drive, which is not only inexpensive but also has a weight advantage, which means cleaning the machine, in which the product support including drive must be removed completely, much simplified.
  • Very high cutting speeds can be achieved in one portion, which means in particular a time and therefore cost advantage for portions with a large number of slices.
  • Another object of the present invention is a method in which the cutting knife is stopped after the complete slicing of a food bar and the optic knife is preferably positioned so that it can be used as a product stop for the new product.
  • This embodiment of the present invention has the advantage that no product stop has to be provided for slicing a new food bar.
  • Another object of the present invention is a device for slicing food, in particular sausage, meat or cheese bars, the food resting on a product support and a rotating one Cutting knife at one end of the food cuts off food slices in which the speed of the cutting knife and / or a rotor varies in a targeted manner and / or the direction of rotation of the rotor and / or the knife is changed.
  • the rotational speed of the rotating knife and / or of the rotor is not kept constant but is specifically changed. These changes in the speed are carried out in such a way that the desired cutting result and the desired portioning can be achieved.
  • a sickle knife or spiral knife for example, its speed is specifically changed.
  • a preferably rotationally symmetrical circular knife which rotates, for example, one or more drive shafts in a planetary manner, the speed of the rotor and / or the speed of the cutting knife are varied, for example.
  • the device according to the invention preferably has a brake with which the speed of rotation of the knife and / or of the rotor can be changed between two cuts, possibly reduced to zero.
  • the speed of rotation of the cutting knife and / or the rotor is changed during the cutting of a disc and / or between the cutting of two discs.
  • the device according to the invention preferably has no product stop.
  • the cutting knife is stopped after the complete slicing of a food bar and preferably positioned so that it can be used as a product stop for the new product.
  • the device according to the invention can have, for example, a circular, spiral or sickle knife.
  • the device has a transport device with which the food can be transported to the cutting knife and possibly away from the cutting knife.
  • the transport to the cutting knife takes place continuously or in cycles but preferably continuously and particularly preferably with a driven product support.
  • the transport away from the cutting knife, the so-called retraction stroke is preferably also carried out with the driven product support and is used to carry out empty cuts.
  • the food bar is particularly preferably transported as a function of the speed of the cutting knife; that is, the feed rate at which the food bar is continuously transported to the cutting knife or the cycle frequency at which the food bar is cyclically transported to the cutting knife is increased or reduced in synchronism with the rotational speed.
  • the retraction stroke which can be carried out quickly at high speeds and more slowly at lower speeds, without the product escaping.
  • the device according to the invention preferably has a downstream unit, preferably a portioning belt, with which the cut slices can be configured into portions.
  • the unit is preferably moved in a three-dimensional space so that the desired portion image is created.
  • the movement of the unit is synchronous with the speed of the cutting knife and / or rotor.
  • the unit is lowered and / or inclined to form a stack. The lowering or inclination then takes place synchronously with the speed of the cutting knife and / or rotor.
  • the unit In order to form a specific laying pattern, for example a longitudinal, transverse or circular shingle, the unit, preferably the portioning belt, must be movable on one level in at least one direction, the movement also being synchronized with the speed of the cutting knife and / or rotor. If further units are arranged after this unit, they are preferably also synchronized with the speed of the cutting knife and / or rotor.
  • the portioning belt preferably compensates for and / or compensates for a lateral offset of the product caused by the different speeds Portion formation used.
  • a system-related offset can, for example, be used for a shingle.
  • the device is suitable for any rotational speeds of the cutting knife and / or rotor, which, however, are not kept constant over a longer period of time but are specifically changed.
  • the maximum speed of the sickle knife is preferably> 1500, preferably> 2000 rpm and a circular knife> 600, preferably> 1000 rpm.
  • the device according to the invention preferably has a control which detects the actual values of the respective motors in less than 1 ms and determines new setpoints based thereon. Only with such a regulation is it possible to achieve high cutting performance.
  • the device according to the invention has the advantage that very high maximum cutting speeds can be achieved without the portioning of the sliced food slices being impaired thereby.
  • the sliced food slices are subjected to much less mechanical stress when portioning than with machines according to the prior art.
  • the same also applies to the food bar, which is accelerated less strongly with an empty cut function than with the prior art.
  • Due to the lower acceleration of the food bar the product support on which the food bar is located can be provided with a smaller drive, which is not only inexpensive but also has a weight advantage, so that the machine, including the product support, is cleaned Drive must be removed completely, is significantly simplified.
  • Very high cutting speeds can be achieved in one portion, which means in particular a time and therefore cost advantage for portions with a large number of slices.
  • Figure 1 shows the changes in the number of cuts as a function of time.
  • Figure 2 shows the device according to the invention.
  • Figure 3 shows the principle of operation of a cutting device with a
  • FIG. 1 shows two typical courses of the number of cuts as a function of time.
  • the device according to the invention is operated in such a way that the speed is reduced at the beginning and at the end of the cut of a portion, so that the portioning; i.e. the change between two portions takes place at a reduced speed of the cutting knife.
  • the number of cuts for portioning is reduced to zero and then increased to 2600 cuts per minute.
  • solid line the speed is reduced to 600 rpm and then increased again to 2200 rpm.
  • Figure 2 shows a device according to the invention, which also has a portioning belt and a transfer belt.
  • the motor M1 drives the cutting knife 2, with which the food bar 3 is cut into slices (not shown).
  • the cutting knife can be a sickle knife or a circular knife, the latter revolving like a planet.
  • the slices fall onto the portioning belt 4, which can be moved in two directions in one plane with the motors M3 and M5, so that the cut slices can, for example, be shingled and transferred to the transfer belt 6.
  • the M2 feeds the food bar continuously.
  • the MI motor quickly reduces the speed. Approx. 4 disks are cut off at the reduced speed.
  • the speed of the portioning belt 4 is also reduced, so that it is uniform Portion image, for example an even shingle spacing, arises.
  • the speed of the motor M1 is reduced, the feed rate at which the food bar is transported in the direction of the cutting knife is also reduced.
  • the device according to the invention has a central computer which continuously records the current cutting speed and forwards corresponding setpoints to the motors M2-M5.
  • the reduced cutting speed enables easy portioning; ie the change between two portions, which is done by the finished portion being transferred from the portioning belt to the transfer belt.
  • the speed of the motor M1 and thus the speed of the cutting knife 2 and / or the rotor is immediately increased again.
  • the operator can set not only the usual parameters such as maximum number of cuts, slice thickness and shingle spacing, but also correction factors, for example for the lateral offset, which are stored in the central computer.
  • the speed of the knife is reduced to zero and the knife is positioned so that it covers the product chute as completely as possible, so that no product stop is required.
  • FIG. 3 shows a simplified representation of the construction and the functional principle of a cutting device with a circular knife.
  • the cutting device essentially consists of a circular knife 20, for example, which rotates about a shaft 22 in the direction of the arrow.
  • the shaft 22 itself runs on a circular planetary orbit, which results from the fact that the shaft 22 is arranged radially offset from the central axis of a rotor 21, which is also rotating, and within the rotor. Due to the circular movement of the rotor 21 taking place around the shaft 23, a circular planetary movement of the shaft 22 results.
  • the rotor and knife rotate in opposite directions, as can be seen from the orientations of the direction of the arrow.
  • the speed of the rotor and / or that of the knife are preferably changed in each case, however, independently of one another in a targeted manner.

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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)

Abstract

L'invention concerne un procédé et un dispositif permettant de découper des aliments, en particulier des tranches de saucisses, de viande, ou de fromage, selon lesquels un couteau rotatif (2) découpe des tranches d'aliments à l'extrémité de l'aliment (3) et les tranches ainsi découpées sont disposées en portion. Le procédé et le dispositif permettent également de faire varier de manière sélective la vitesse de rotation du couteau (2) et/ou de changer le sens de rotation du rotor du couteau et/ou le sens de rotation du couteau.
PCT/EP2004/002114 2003-03-04 2004-03-03 Procede et dispositif pour decouper des aliments en pouvant modifier la vitesse de rotation et/ou le sens de rotation du couteau et/ou du rotor WO2004078431A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003109552 DE10309552A1 (de) 2003-03-04 2003-03-04 Sinuider Prozessverlauf einer Aufschnittschneidemaschine
DE10309552.7 2003-03-04

Publications (1)

Publication Number Publication Date
WO2004078431A1 true WO2004078431A1 (fr) 2004-09-16

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PCT/EP2004/002114 WO2004078431A1 (fr) 2003-03-04 2004-03-03 Procede et dispositif pour decouper des aliments en pouvant modifier la vitesse de rotation et/ou le sens de rotation du couteau et/ou du rotor

Country Status (2)

Country Link
DE (1) DE10309552A1 (fr)
WO (1) WO2004078431A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004018978A1 (de) * 2004-04-20 2005-11-17 Thomas Warnke Schneidemaschine
DE102008038064A1 (de) * 2008-08-16 2010-02-18 Bizerba Gmbh & Co Kg Schneidemaschine für Lebensmittel
DE102009059856A1 (de) * 2009-12-21 2011-06-22 Weber Maschinenbau GmbH Breidenbach, 35236 Vorrichtung zum Aufschneiden von Lebensmittelprodukten
DE102010015368A1 (de) * 2010-04-17 2011-10-20 S.A. Jac N.V. Verfahren zum Betreiben einer Kreismesserschneidemaschine sowie Kreismesserschneidemaschine
DE102011017227A1 (de) 2011-04-15 2012-10-18 Weber Maschinenbau Gmbh Breidenbach Verfahren zum Aufschneiden von Lebensmittelprodukten
DE102011119719A1 (de) * 2011-11-30 2013-06-06 GEA CFS Bühl GmbH Verfahren zum Aufschneiden eines Lebensmittelriegels unter Verwendung eines Schwingungssensors
ES2758224T3 (es) 2015-12-10 2020-05-04 Gea Food Solutions Germany Gmbh Procedimiento para realizar un corte de ajuste

Citations (10)

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Publication number Priority date Publication date Assignee Title
GB1260661A (en) * 1965-07-27 1972-01-19 James Keith Macomber Label feed
US3673299A (en) * 1970-02-27 1972-06-27 Amp Inc Method of applying sleeves to electrical connectors
US3782230A (en) * 1966-06-28 1974-01-01 Bettcher Industries Comestible slicing apparatus
US4379416A (en) * 1977-06-01 1983-04-12 Brain Dust Patents Establishment Food-slicing machine and method
US4428263A (en) * 1981-10-08 1984-01-31 Formax, Inc. Food loaf slicing machine
DE3232045A1 (de) * 1982-08-27 1984-03-01 Kurt 4010 Hilden Warnke Vorrichtung zum zerteilen eines gegenstandes, insbesondere zum schneiden eines brotes in scheiben
US5724874A (en) * 1994-10-11 1998-03-10 Formax, Inc. Method of manufacturing food loaf slice groups
DE29807977U1 (de) * 1998-05-05 1998-06-25 Roesen Herbert Schneidevorrichtung für Lebensmittel, insbesondere Brot
US5989116A (en) * 1998-02-03 1999-11-23 Swift & Company, Inc. High-speed bone-in loin slicer
US6318224B1 (en) * 1996-06-01 2001-11-20 Thurne Engineering Company Limited Slicing of products

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GB2070419A (en) * 1980-02-06 1981-09-09 Mij Van Berkels Patent Nv Slicing machines
DE3239178A1 (de) * 1982-10-22 1984-04-26 Natec Reich, Summer GmbH & Co KG, 8999 Heimenkirch Maschine zum schneiden von schneidgutriegeln
CA2154337C (fr) * 1994-10-11 2005-07-05 Scott A. Lindee Machine a decouper des pains de viande ou autre
DE19518583C2 (de) * 1995-05-20 2003-10-30 Schindler & Wagner Kg Schneidmaschine zum Zerschneiden von Produktlaiben
DE19646619C2 (de) * 1996-11-12 2000-05-31 Schindler & Wagner Gmbh & Co Maschine zum Zerschneiden von Produktlaiben
DE19820058C5 (de) * 1998-05-06 2010-10-21 Dipl.-Ing. Schindler & Wagner Kg Verfahren zum Zerteilen von Produktlaiben sowie Vorrichtung zu seiner Durchführung
DE10054514A1 (de) * 2000-11-03 2002-05-16 Biforce Anstalt Vaduz Vorrichtung zum Aufschneiden von Lebensmittelprodukten

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1260661A (en) * 1965-07-27 1972-01-19 James Keith Macomber Label feed
US3782230A (en) * 1966-06-28 1974-01-01 Bettcher Industries Comestible slicing apparatus
US3673299A (en) * 1970-02-27 1972-06-27 Amp Inc Method of applying sleeves to electrical connectors
US4379416A (en) * 1977-06-01 1983-04-12 Brain Dust Patents Establishment Food-slicing machine and method
US4428263A (en) * 1981-10-08 1984-01-31 Formax, Inc. Food loaf slicing machine
DE3232045A1 (de) * 1982-08-27 1984-03-01 Kurt 4010 Hilden Warnke Vorrichtung zum zerteilen eines gegenstandes, insbesondere zum schneiden eines brotes in scheiben
US5724874A (en) * 1994-10-11 1998-03-10 Formax, Inc. Method of manufacturing food loaf slice groups
US6318224B1 (en) * 1996-06-01 2001-11-20 Thurne Engineering Company Limited Slicing of products
US5989116A (en) * 1998-02-03 1999-11-23 Swift & Company, Inc. High-speed bone-in loin slicer
DE29807977U1 (de) * 1998-05-05 1998-06-25 Roesen Herbert Schneidevorrichtung für Lebensmittel, insbesondere Brot

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