EP2329930B1 - Device for cutting a food product - Google Patents
Device for cutting a food product Download PDFInfo
- Publication number
- EP2329930B1 EP2329930B1 EP10015142.2A EP10015142A EP2329930B1 EP 2329930 B1 EP2329930 B1 EP 2329930B1 EP 10015142 A EP10015142 A EP 10015142A EP 2329930 B1 EP2329930 B1 EP 2329930B1
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- EP
- European Patent Office
- Prior art keywords
- blade
- cutting
- cutting blade
- axis
- adjustment
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
- B26D7/2635—Means for adjusting the position of the cutting member for circular cutters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/157—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
- B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
- B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
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- 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
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- 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
- B26D2210/08—Idle cutting
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- 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
- B26D5/02—Means for moving the cutting member into its operative position for cutting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
- Y10T83/7684—With means to support work relative to tool[s]
- Y10T83/7693—Tool moved relative to work-support during cutting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
- Y10T83/7684—With means to support work relative to tool[s]
- Y10T83/7722—Support and tool relatively adjustable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/869—Means to drive or to guide tool
- Y10T83/8878—Guide
Definitions
- the invention relates to a device for slicing food products, in particular high-performance slicer, with the features of the preamble of claim 1.
- Such devices are basically known and serve to slice food products such as sausage, meat and cheese at high speed. Typical cutting speeds are between several hundred to several thousand cuts per minute. Modern high-performance slicers differ, inter alia, in the design of the cutting blade and in the manner of the rotary drive for the cutting blade. So-called sickle or spiral blades rotate about a rotation axis, also referred to here as a knife axis, wherein this rotation axis itself does not carry out any additional movement.
- the rotating circular knife is also circulated in a planetary manner around a further axis spaced apart from the axis of rotation (also referred to here as center axis). Which blade type or type of drive is to be preferred depends on the respective application. In general, it can be said that higher cutting speeds can be achieved with only rotating sickle knives, whereas rotating and additionally planetary rotating circular knives can be used more universally without sacrificing cutting quality.
- the required knife stroke is only a few millimeters, but must be done in a very short time in the order of a few hundredths of a second.
- the possibility of a knife adjustment can also be used for other additional functions, eg for adjusting the cutting gap or for idle cuts in the context of a height adjustment or adjustment of the insertion depth of the cutting blade, in particular in relation to the product (s) to be sliced or the product edition, as described in more detail below.
- the prior art proposes various ways to produce the desired distance between knife and product by a displacement of the knife.
- Knife holder for example, in DE 101 47 348 A1 is described, to move only the rotating knife holder on which the knife is interchangeably mounted and which is also referred to as a knife holder, knife shaft or rotor, relative to the other components of the so-called cutter head, in addition to the mentioned Knife holder in particular comprises a rotary bearing for the rotational movement of the knife or the knife holder and a base part, with which the cutter head and thus the knife holder is attached to a frame or frame of the slicer.
- This attachment can be done for example on or in a so-called cutting head housing on or in which not only the cutter head and knife, but also the drive motor for the cooperating with the cutter head, for example via a drive belt knife rotary drive are mounted.
- EP 1 552 912 A1 relates to a slicing device according to the preamble of claim 1.
- the adjusting movement of the cutting blade corresponds to a tilting or pivoting.
- the object of the invention is to further improve a slicing device with adjustable cutting blade in particular against the background of the problem described above.
- the adjustment direction of the cutting blade extends obliquely to the blade axis and / or center axis of the cutting blade, wherein the adjusting movement of the cutting blade is a linear movement.
- the invention thus means a departure from the well-documented by the prior art retracted notion of the art, the adjustment of the cutting blade must be parallel to the axis of rotation of the cutting blade, in the terminology used here parallel to the blade axis and / or center axis.
- the portion of the weight to be overcome reduced or - as in a preferred embodiment with horizontally extending adjustment - are reduced to zero.
- the invention thus enables a weight-neutral knife adjustment, in which in the case of a horizontal adjustment movement from the point of view of the adjustment only the inertial mass of the unit to be moved plays a role.
- the invention allows a higher control quality for the drives, since there are more uniform load conditions and larger adjustment paths.
- the adjustment direction of the cutting blade extends at least approximately horizontally.
- the "weight fraction" of the knife during adjustment is thus reduced to zero, i.
- the adjustment does not need to "raise” the knife.
- the knife axis and / or the central axis of the cutting blade can extend at least approximately parallel to the product feed direction.
- the adjusting device for the cutting blade may comprise a linear drive, for example a spindle drive or a piston-cylinder arrangement.
- the axis of rotation of the spindle drive or the longitudinal axis of the piston-cylinder arrangement preferably runs parallel to the adjustment direction of the cutting blade.
- the adjusting device for the cutting blade may comprise an eccentric drive.
- a knife head as a whole in the adjustment direction is movable for adjusting the knife.
- the cutter head in particular comprises a knife holder on which the cutting blade is interchangeably mounted, and at least one pivot bearing for the movement of the cutting blade about the knife axis and / or about the central axis.
- a particular advantage of a movement of the cutter head as a whole is that the cutter head can be both a sickle cutter head for a sickle knife rotating about the knife axis and a circular knife head for a circular knife rotating around the knife axis and rotating around the central axis.
- the adjusting device is configured concretely, this means that the respective adjustment principle is applicable to both a sickle blade and a circular blade.
- the adjustment direction stationary carrier for example, a component of a stationary frame of the slicing or can be attached to the frame, relative to which the cutter head is movable as a whole in the adjustment direction.
- the carrier may be arranged on or in a cutting head housing.
- This carrier can be universally designed so that it can be exchanged between a sickle cutter head and a circular blade head. This can be converted into a circular blade slicer in a particularly simple manner, a sickle knife slicer, and vice versa.
- the cutting blade is movable in the adjustment direction for carrying out at least one additional function, in particular for carrying out blank cuts, which are e.g. be performed in a portionwise slicing and / or in the context of a height or immersion depth adjustment, and / or for cutting gap adjustment.
- additional function is to be understood as meaning a function that does not exclusively relate to the actual slicing function, that is to say the rotational movement of the cutting blade.
- the additional function is, in particular, the performance of empty cuts or the setting of the cutting gap, as will be discussed in greater detail below.
- the additional function may also be a height adjustment or adjustment of the immersion depth of the cutting blade, in particular with respect to the product or products to be sliced or the product support, more precisely the avoidance of chips during the height or immersion depth adjustment performed blank cuts. The adjustment movement of the knife is thus when needed when the additional function is to be performed, this additional function - depending on their nature - with rotating or rotating cutting blade and / or with a stationary cutting blade is feasible.
- the cutting blade is movable in the adjustment direction in such a way that the distance between the cutting blade and a reference plane which runs parallel to a cutting plane defined by the cutting edge of the cutting blade changes.
- the gap between the cutting blade - more precisely, the cutting plane defined by the blade of the blade - and a cutting edge is set to a predetermined level.
- the cutting edge also referred to as a counter knife, interacts with the cutting blade when separating slices from the product.
- the cutting edge forms, in particular, the end of the product support which is at the front in the product feed direction.
- Cutting edges occur in practice in many embodiments. Even relatively complex arrangements, which are provided, for example, as so-called cuffs or shell molds with circumferentially open or closed feedthroughs for the products to be sliced to optimally fix the front end of the product to increase the quality of cutting, are often referred to simply as "cutting edge" in practice ,
- the - measured in the product feed direction ie perpendicular to the cutting plane - distance between the cutting blade and the To set the cutting edge to a certain degree.
- the axial position of the cutting plane is not exactly defined insofar as the plane defined by the cutting edge, on the one hand, and the plane defined by the cutting blade, more precisely by the knife edge, likewise do not coincide.
- this is unproblematic insofar as, for example, the plane defined by the cutting edge can be used as a reference plane when a reference in the axial direction, ie in the product feed direction, is required or desired.
- Another advantage of the invention which is also important in this context, is that the cutting blade maintains its orientation relative to the product feed direction, ie in particular the cutting plane runs perpendicular to the product feed direction in each knife position.
- the mobility of the cutting blade for such functions - such. the above-described cutting gap setting - are used, in which a non-parallel alignment of the cutting blade relative to the original cutting plane, so for example, a tilting of the cutting blade during the adjustment, can not be accepted.
- the device according to the invention can be used to carry out blank cuts, in particular when portion-wise slicing of food products, wherein to temporarily interrupt the separation of slices from the product, the cutting knife is moved away from the front product end and moved back after performing one or more slices to resume slicing of the product.
- the device according to the invention can be used for cutting gap adjustment, wherein by moving the cutting blade, the gap between the cutting blade and a cutting edge is set to a predetermined level.
- Fig. 1 shows a schematic side view of a known from the prior art high-performance slicer, which serves to cut food products 27, such as meat, sausage, ham or cheese, in slices.
- the product 27 rests on a product support 37 and is moved by means of a product feed 13 along a product feed direction F in the direction of a cutting plane S.
- the product feeding direction F is perpendicular to the cutting plane S.
- slicers are also known in which the angle between the product feed direction and the cutting plane is different from 90 °.
- From the product feeder 13 are in Fig. 1 only the already mentioned product support 37 and a so-called product holder 25 shown, which engages with claws or grippers in the rear end of the product 27 and driven by not shown drive means in and against the product feed F, as indicated by the double arrow.
- the cutting plane S is defined by the cutting edge of a cutting blade 11, which during the cutting operation cooperates with a cutting edge 31, also referred to as a counter blade, which forms the front end of the product support 37.
- a cutting edge 31 also referred to as a counter blade, which forms the front end of the product support 37.
- the cutting edge is usually a separate, replaceable component, e.g. made of plastic or steel, which is not shown here for reasons of simplicity.
- the cutting blade 11 may be a so-called circular blade, which rotates planetary about both a central axis and rotates about its own knife axis.
- the cutting blade 11 may be a so-called sickle or spiral blade which does not orbit planetary, but only rotates about the blade axis A.
- the drive for the cutting blade 11 is in Fig. 1 not shown.
- an adjusting device which is adapted to move the cutting blade 11.
- the cutting blade 11 can be mounted displaceably parallel to the axis of rotation A.
- the separated product slices 33 portions 35 which in Fig. 1 are shown as a disk stack.
- this portion 35 is transported in a direction T. So that sufficient time is available for the removal of the finished slice servings 35, the above-mentioned empty cuts are carried out until the beginning of the formation of the next portion 35, for which purpose the product feed (here the product holder 25) also referred to as the product feed is stopped and, on the other hand, the cutting knife 11 by means of said adjusting in the in Fig. 1 dashed position shown is moved.
- the product feed here the product holder 25
- the cutting knife 11 by means of said adjusting in the in Fig. 1 dashed position shown is moved.
- Fig. 2 schematically shows a slicer according to the invention in a side view.
- the product feeder 13 is shown in the position in which the product 27 is cut open.
- the product feeder 13 can be pivoted into an at least approximately horizontal position.
- the product feed 13 and thus the product feed F is inclined relative to the horizontal, by an angle ⁇ , which is for example about 40 °.
- the angle ⁇ which is for example about 40 °. Since, in this embodiment, the product feed direction F and thus the plane defined by the product support 37 are parallel to the knife axis A (which, however, is not mandatory, as already mentioned above), here the angle of inclination ⁇ between the horizontal H and the plane of the product support 37 located.
- the product support 37 thus constitutes an inclined plane for the product 27.
- the advancing movement of the product 27 is thereby supported by the gravitational attraction.
- the front end of the product is not vertically oriented, as would be the case with a product lying horizontally, so that due to the inclination of the front product end, the filing of the separated product slices 33 - here on a removal belt 45 - improved or even a useful product storage is made possible.
- FIG. Fig. 1 - While in Slicem known from the prior art, the cutting blade 11 - as shown in FIG Fig. 1 - Is moved parallel to the blade axis A, for example, to achieve a clearance between the cutting blade 11 and front product end to carry out blank sections, according to the invention in the illustrated embodiment of Fig. 1 a horizontal adjustment movement of the cutting blade 11 is provided, as indicated by the adjustment direction V suggestive, horizontally extending double arrow.
- FIG Fig. 2 While the cutting position of the blade 11, in which the cutting plane S and a reference plane defined by the cutting edge 31 coincide with solid lines, is shown in FIG Fig. 2 indicated with dashed lines the disengaged position of the blade 11. It is not the knife 11 or a knife holder alone adjusted, but only schematically indicated here cutter head 19 as a whole. This will be described below in connection with the Fig. 3 to 5 discussed in more detail.
- the adjustment movement of the blade 11 or the cutter head 19 is ultimately relative to a stationary frame or frame 23 of the slicer. This will also be described below in connection with the Fig. 3 to 5 discussed in more detail.
- the knife head 19 is a sickle cutter head, ie the cutting knife 11 is a sickle knife, which performs a self-rotating movement about the knife axis A and does not additionally rotate planetary.
- the knife 11 is removably attached to a here designated as blade holder 17, which also as a blade holder, rotor or Knife shaft is called.
- blade holder 17 also as a blade holder, rotor or Knife shaft is called.
- the possible designation as a knife shaft is also chosen because it is in the embodiment shown here in the knife holder 17 that component of the cutter head 19, which is directly - namely with a drive belt 43 - offset by the rotary drive 39 of the slicer in rotation.
- the knife head 19, which can be moved back and forth as a whole in the adjustment direction V, furthermore comprises a base part 49 which does not rotate. Between the knife holder 17 and the base part 49 rolling bearings 21 are arranged.
- the here approximately S- or Z-shape having carrier 24 is fixedly connected to a wall 47 which is part of a cutting head housing 41 which with respect to the adjustment direction V to a stationary frame or frame 23 (see. Fig. 2 ) is attached.
- An adjustability of the cutting head housing 41 as a whole in directions that lie in the cutting plane S, relative to the product support 37 are also possible, but otherwise of no importance to the subject invention.
- a cover or hood which is connected to the cutting head housing 41 and at least partially surrounds the cutting blade during the cutting operation, is also provided in the Fig. 3 to 5 but not shown.
- An adjusting device for the cutter head 19, which comprises a spindle drive with a spindle 51 and a spindle nut 53, is supported on the cutting head housing 41, wherein alternatively also a support of the spindle drive (or in general any adjusting drive for the cutting blade 11 or the Knife head 19) may be provided on the carrier 24.
- An unillustrated drive motor is adapted to rotate in the adjustment direction V fixed to the cutting head housing 41 connected spindle nut 53 on request about a rotation axis D of the spindle drive.
- the spindle 51 moves in Fig. 3 to the left or to the right.
- the front, in Fig. 3 left end of the spindle 51 is fixed with respect to the adjustment V to the base part 49 and thus the cutter head 19 is connected.
- the activation of the spindle drive thus ensures - depending on the direction of rotation of the spindle nut 53 - for a movement of the cutting blade 11 from the front end of the product 27 or from the cutting edge 31 away or on the front end of the product or the cutting edge 31.
- Fig. 4 the cutting position, in which the cutting plane S defined by the blade 11 coincides with a reference plane defined by the cutting edge 31, is located in Fig. 5 the knife 11 in a disengaged position.
- the distance 55 measured in the product feed direction F is 55 (FIG. Fig. 5 ) between the front end of the product and the plane defined by the knife edge is smaller than the distance traveled by the cutter head 19 in the adjustment direction V, ie smaller than that resulting from the adjustment movement Gap 57 between the fixed with the cutting head housing 41 (see. Fig. 3 ) associated carrier 24 and the base part 49th
- a circular blade head may also be provided and adjusted in the horizontal direction V.
- these different cutter heads on the one hand and the carrier 24, relative to which the adjusting movement in the adjustment direction V, on the other hand in the form of a universal, coordinated interface or coupling means may be formed so that a single cutting head housing 41 with adjusting, eg with spindle drive 51, 53 can be coupled with both a sickle cutter head and a circular knife head.
- drive belt 43 for the rotational drive of the blade holder 17 about the blade axis A is still to be mentioned that according to the invention additional measures that have not been mentioned, may be provided to the deflection or elongation of the drive belt 43, the adjustment of the cutter head 19th and thus that the knife holder 17, which is driven directly by the drive belt 43, in the adjustment direction V occurs, at least partially compensate.
- One measure for this may consist in the adjustment of the cutter head 19 and the rotary drive motor of the rotary drive 39 in a manner adapted to the adjustment of the cutter head 19 to move so that at least to some extent, the effects of the cutter head adjustment are compensated for the drive belt 43 ,
- the effect of the belt elongation or deflection can also be at least largely eliminated by a suitable orientation of the cutter head.
- the cutter head can be installed so that its longitudinal axis does not coincide with the axis of rotation, but is mounted tilted relative to this by a certain angle. It may turn out that the adjustment direction is not exactly horizontal but oblique to the horizontal.
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Description
Die Erfindung betrifft eine Vorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere Hochleistungs-Slicer, mit den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a device for slicing food products, in particular high-performance slicer, with the features of the preamble of claim 1.
Derartige Vorrichtungen sind grundsätzlich bekannt und dienen dazu, Lebensmittelprodukte wie beispielsweise Wurst, Fleisch und Käse mit hoher Geschwindigkeit in Scheiben zu schneiden. Typische Schnittgeschwindigkeiten liegen zwischen mehreren 100 bis einigen 1.000 Schnitten pro Minute. Moderne Hochleistungs-Slicer unterscheiden sich unter anderem in der Ausgestaltung des Schneidmessers sowie in der Art und Weise des Rotationsantriebs für das Schneidmesser. So genannte Sichel- oder Spiralmesser rotieren um eine hier auch als Messerachse bezeichnete Rotationsachse, wobei diese Rotationsachse selbst keine zusätzliche Bewegung ausführt. Bei Slicern mit Kreismessern ist dagegen vorgesehen, das rotierende Kreismesser zusätzlich um eine von der Rotationsachse beabstandete weitere Achse (hier auch Mittelachse genannt) planetarisch umlaufen zu lassen. Welchem Messertyp bzw. welcher Antriebsart der Vorzug zu geben ist, ist von der jeweiligen Anwendung abhängig. Generell lässt sich sagen, dass mit lediglich rotierenden Sichelmessern höhere Schnittgeschwindigkeiten erzielt werden können, wohingegen rotierende und zusätzlich planetarisch umlaufende Kreismesser ohne Einbußen bei der Schneidqualität universeller einsetzbar sind.Such devices are basically known and serve to slice food products such as sausage, meat and cheese at high speed. Typical cutting speeds are between several hundred to several thousand cuts per minute. Modern high-performance slicers differ, inter alia, in the design of the cutting blade and in the manner of the rotary drive for the cutting blade. So-called sickle or spiral blades rotate about a rotation axis, also referred to here as a knife axis, wherein this rotation axis itself does not carry out any additional movement. For slicers with circular knives, on the other hand, it is provided that the rotating circular knife is also circulated in a planetary manner around a further axis spaced apart from the axis of rotation (also referred to here as center axis). Which blade type or type of drive is to be preferred depends on the respective application. In general, it can be said that higher cutting speeds can be achieved with only rotating sickle knives, whereas rotating and additionally planetary rotating circular knives can be used more universally without sacrificing cutting quality.
Die vorstehend erwähnten hohen Schnittgeschwindigkeiten machen es - und dies gilt unabhängig vom Messertyp und von der Antriebsart - erforderlich, dass bei einem portionsweisen Aufschneiden von Produkten so genannte Leerschnitte durchgeführt werden, in denen sich das Messer weiterhin bewegt, d.h. seine Schneidbewegung ausführt, dabei jedoch nicht in das Produkt, sondern "ins Leere" schneidet, damit vorübergehend keine Scheiben vom Produkt abgetrennt werden und diese "Schneidpausen" dazu genutzt werden können, eine mit den zuvor abgetrennten Scheiben gebildete Portion, beispielsweise einen Scheibenstapel oder geschindelt angeordnete Scheiben, abzutransportieren. Die zwischen zwei aufeinanderfolgend abgetrennten Scheiben verstreichende Zeit reicht ab einer bestimmten Schneidleistung bzw. Schnittgeschwindigkeit für einen ordnungsgemäßen Abtransport der Scheibenportionen nicht aus. Die Länge dieser "Schneidpausen" und die Anzahl der Leerschnitte pro "Schneidpause" sind von der jeweiligen Anwendung abhängig.The above-mentioned high cutting speeds make it necessary - and this applies regardless of the type of knife and the type of drive - that, with a portionwise slicing of products, so-called empty cuts are made in which the knife continues to move, i. performs his cutting motion, but not in the product, but "in the void" cuts, so temporarily no slices are separated from the product and these "cutting breaks" can be used to a formed with the previously separated slices portion, such as a stack of discs or shingles arranged discs to be transported away. The time passing between two consecutively separated slices does not suffice for a proper cutting performance or cutting speed for a proper removal of the slice portions. The length of these "cutting breaks" and the number of idle cuts per "cutting break" depend on the particular application.
Ein in der Praxis bekanntes Problem in Verbindung mit der Durchführung von Leerschnitten besteht darin, dass es in den meisten Fällen nicht genügt, einfach die Zufuhr des Produktes vorübergehend anzuhalten, um das Abtrennen von Scheiben zu verhindern. Bei Produkten mit weicher Konsistenz kommt es nämlich regelmäßig vor, dass sich nach dem Anhalten des Produktvorschubs Entspannungseffekte einstellen, wodurch das vordere Produktende über die Schneidebene hinaus und damit in den Wirkungsbereich des Schneidmessers gelangt. Die Folge ist ein unerwünschtes Abtrennen so genannter Produktschnipsel oder Produktschnitzel. Abgesehen davon kommt es zu einer solchen Schnitzelbildung unabhängig von der Produktkonsistenz zwangsläufig immer dann, wenn die Produkte während des Aufschneidebetriebs kontinuierlich zugeführt werden, d.h. auch bei Produkten mit fester Konsistenz, bei denen also die vorstehend erwähnten Entspannungseffekte nicht auftreten, kommt es bei einer kontinuierlichen Produktzufuhr zu einer Schnitzelbildung.A problem known in practice in connection with the performance of blanks is that, in most cases, it is not enough to simply stop the supply of the product temporarily to prevent the separation of slices. In fact, in the case of products with a soft consistency, it regularly happens that relaxation effects occur after the product feed has stopped, as a result of which the front end of the product passes beyond the cutting plane and thus into the effective range of the cutting blade. The result is an undesirable separation of so-called product snippets or product chips. Apart from that, it always comes to such a Schnitzelbildung regardless of the product consistency always when the products are fed continuously during the slicing operation, ie also for products with a firm consistency, ie where the above mentioned relaxation effects do not occur, it comes with a continuous product supply to a Schnitzelbildung.
Die vorstehend beschriebenen Phänomene sind dem Fachmann hinreichend bekannt, weshalb hierauf nicht näher eingegangen wird.The phenomena described above are well known to the person skilled in the art, which is why this will not be discussed in detail.
Aus dem Stand der Technik sind bereits Maßnahmen bekannt, die dazu dienen, eine Schnitzelbildung bei der Durchführung von Leerschnitten zu vermeiden. Hierzu wird beispielsweise auf
Demnach wurde bereits vorgeschlagen, für die Durchführung von Leerschnitten die Produktzufuhr nicht nur zu unterbrechen, sondern zusätzlich das Produkt - gegebenenfalls samt Produktauflage - zurückzuziehen. Dieser Ansatz stößt insbesondere dann an Grenzen, wenn die Schnittgeschwindigkeiten und/oder die dabei zu bewegenden Massen zu groß werden, da dann nicht mehr sichergestellt werden kann, dass das vordere Produktende ausreichend schnell zurückgezogen werden kann. Als Alternative zum Zurückziehen des Produkts wurde ferner bereits vorgeschlagen, das Schneidmesser vom vorderen Produktende wegzubewegen. Beide Lösungsansätze haben zur Folge, dass zwischen dem vorderen Produktende und dem Schneidmesser ein ausreichend großer Abstand hergestellt wird, der eine Schnitzelbildung sicher verhindert. Der erforderliche Messerhub beträgt lediglich einige Millimeter, muss allerdings in einer sehr kurzen Zeit in der Größenordnung von einigen Hundertstel Sekunden erfolgen. Die Möglichkeit einer Messerverstellung kann auch für weitere Zusatzfunktionen genutzt werden, z.B. für das Einstellen des Schneidspalts oder für Leerschnitte im Rahmen einer Höheneinstellung bzw. Einstellung der Eintauchtiefe des Schneidmessers, die insbesondere in Bezug auf das oder die aufzuschneidenden Produkte bzw. die Produktauflage erfolgt, worauf nachstehend näher eingegangen wird.Accordingly, it has already been proposed not only to interrupt the product supply for the performance of blanks, but also to withdraw the product, if appropriate together with the product support. This approach reaches its limits, in particular, when the cutting speeds and / or the masses to be moved become too large, because then it can no longer be ensured that the front end of the product can be withdrawn sufficiently quickly. As an alternative to retracting the product, it has also been proposed to move the cutting blade away from the front end of the product. Both solutions have the consequence that between the front end of the product and the cutting blade a sufficiently large distance is produced, which reliably prevents a Schnitzelbildung. The required knife stroke is only a few millimeters, but must be done in a very short time in the order of a few hundredths of a second. The possibility of a knife adjustment can also be used for other additional functions, eg for adjusting the cutting gap or for idle cuts in the context of a height adjustment or adjustment of the insertion depth of the cutting blade, in particular in relation to the product (s) to be sliced or the product edition, as described in more detail below.
Der Stand der Technik schlägt verschiedene Möglichkeiten vor, den gewünschten Abstand zwischen Messer und Produkt durch eine Verlagerung des Messers herzustellen.The prior art proposes various ways to produce the desired distance between knife and product by a displacement of the knife.
Eine Möglichkeit, die beispielsweise in
Es ist auch möglich, den Messerkopf als Ganzes zu verlagern, so dass zum Verstellen des Messers eine Relativbewegung zwischen Messerhalterung und Drehlagerung des Messers nicht erforderlich ist. Eine derartige Lösung ist beispielsweise in
Des Weiteren ist es möglich, das gesamte Schneidkopfgehäuse samt Messerkopf und Rotationsantrieb zu bewegen. Lösungen dieser Art sind beispielsweise in
Diese vorstehend erläuterten Lösungsansätze unterscheiden sich nicht nur hinsichtlich der Größe der zu bewegenden Masse, sondern auch hinsichtlich des Konstruktionsaufwandes sowie der Anwendbarkeit für unterschiedliche Messer- bzw. Antriebsarten. Eine Bewegung lediglich der Messerhalterung beispielsweise hat zwar den Vorteil einer relativ geringen zu bewegenden Masse, bedeutet aber einen relativ hohen konstruktiven Aufwand, da mit dem Messer ein Gegenstand entlang einer Achse verschoben werden muss, der gleichzeitig mit hoher Geschwindigkeit um eben diese Achse rotiert. Hierfür sind Probleme in Verbindung mit der Lagerung des Messers bzw. der Messerhalterung zu lösen. Während die vorstehend erwähnten Sichel- oder Spiralmesser lediglich um eine Achse rotieren, diese Achse aber nicht zusätzlich eine Umlaufbewegung ausführt, lassen sich Konzepte zum Verstellen des Messers trotz der erwähnten Lagerungsproblematik mit vertretbarem Aufwand realisieren. Anders ist dies bei Slicern mit rotierenden und gleichzeitig planetarisch umlaufenden Kreismessern, denn hier besteht das Problem, mit vertretbarem konstruktiven Aufwand eine Verlagerung nur des Messers bzw. der Messerhalterung zu bewerkstelligen.These approaches described above differ not only in terms of the size of the mass to be moved, but also in terms of design effort and applicability for different types of knives or drives. Although a movement of only the knife holder, for example, has the advantage of a relatively low mass to be moved, but means a relatively high design effort, since with the knife an object must be moved along an axis that simultaneously rotates at high speed about this axis. For this problems in connection with the storage of the knife or the knife holder to solve. While the above-mentioned sickle or spiral blades only rotate about one axis, but this axis does not additionally carry out a circulation movement, concepts for adjusting the blade despite the aforementioned storage problems can be realized with reasonable effort. This is different with slicers with rotating and at the same time planetary revolving circular knives, because here there is the problem to accomplish with reasonable design effort a displacement of only the knife or the knife holder.
Alle bekannten Lösungen, die eine Verlagerung des Messers entweder durch Bewegen der Messerhalterung, des Messerkopfs oder des Schneidkopfgehäuses bewirken, haben allerdings eines gemeinsam, nämlich die Notwendigkeit, die jeweilige Baueinheit gegen die Wirkung der Erdanziehung zu bewegen, wenn - z.B. in Verbindung mit der Durchführung von Leerschnitten - das Messer aus einer ausgerückten Position zurück in die Schneidposition bewegt werden muss. Dies liegt daran, dass bei den Slicern der hier in Rede stehenden Art in der Praxis das Aufschneiden stets bei gegenüber der Horizontalen geneigter Messerachse bzw. Mittelachse erfolgt, wobei die Produktzuführung ebenfalls gegenüber der Horizontalen geneigt ist, und zwar auch dann, wenn - wie grundsätzlich z.B. zum Abtrennen ovaler Scheiben von Produkten mit kreisförmigem Querschnitt bekannt - die von der Schneide des Messers definierte Schneidebene nicht senkrecht zur Produktzuführung verläuft. Das aufzuschneidende Produkt liegt folglich während des Aufschneidens auf einer "schiefen Ebene", die typischerweise ungefähr 40° gegenüber der Horizontalen geneigt ist, wenn das Aufschneiden mit senkrecht zur Schneidebene verlaufender Produktzuführung erfolgt.However, all known solutions which cause a displacement of the knife either by moving the knife holder, the cutter head or the cutting head housing, have one thing in common, namely the need to move the respective assembly against the effect of gravity, when - in connection with the implementation of blanks - the knife from a dislocated position back into the Cutting position must be moved. This is due to the fact that in the Slicern of the type in question here in practice the slicing always takes place with respect to the horizontal inclined knife axis or central axis, the product feed is also inclined relative to the horizontal, even if - as in principle eg for separating oval slices of products with a circular cross-section - the cutting plane defined by the cutting edge of the knife does not run perpendicular to the product feed. The product to be sliced is thus during slicing at an "inclined plane", which is typically inclined about 40 ° to the horizontal when the cutting takes place with running perpendicular to the cutting plane product feed.
Bei der parallel zu seiner gegenüber der Horizontalen geneigten Rotationsachse erfolgenden Verstellbewegung des Messers weg vom vorderen Produktende wirkt die Erdanziehung zwar unterstützend. Beim Zurückbewegen des Messers in die Schneidposition aber muss die Verstelleinrichtung zusätzlich gegen einen vom Neigungswinkel abhängigen Anteil der Gewichtskraft der jeweils zu bewegenden Baueinheit arbeiten. Dieses Anheben wirkt sich ersichtlich umso nachteiliger aus, je schwerer die zu bewegende Einheit ist. Selbst beim Verstellen lediglich der Messerhalterung inklusive Messer ist aber der erwähnte Anteil der Gewichtskraft derart relevant, dass er bei Auslegung, Konstruktion und Anordnung der Verstelleinrichtung berücksichtigt werden muss.In the case of the adjusting movement of the blade away from the front end of the product, which takes place parallel to its axis of rotation inclined relative to the horizontal, the gravitational attraction acts as a support. When the knife is moved back into the cutting position, however, the adjusting device must additionally work against a portion of the weight force of the component to be moved which is dependent on the inclination angle. This lifting obviously has the disadvantage of the heavier the unit to be moved. Even when adjusting only the knife holder including knife but the mentioned proportion of the weight is so relevant that it must be taken into account in design, construction and arrangement of the adjustment.
Aufgabe der Erfindung ist es, eine Aufschneidevorrichtung mit verstellbarem Schneidmesser insbesondere vor dem Hintergrund der vorstehend geschilderten Problematik weiter zu verbessern.The object of the invention is to further improve a slicing device with adjustable cutting blade in particular against the background of the problem described above.
Die Lösung dieser Aufgabe erfolgt durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 sowie durch ein Verfahren mit den Merkmalen des Anspruchs 15.The solution of this object is achieved by a device having the features of claim 1 and by a method having the features of claim 15.
Erfindungsgemäß verläuft die Verstellrichtung des Schneidmessers schräg zur Messerachse und/oder Mittelachse des Schneidmessers, wobei die Verstellbewegung des Schneidmessers eine Linearbewegung ist.According to the invention, the adjustment direction of the cutting blade extends obliquely to the blade axis and / or center axis of the cutting blade, wherein the adjusting movement of the cutting blade is a linear movement.
Die Erfindung bedeutet damit eine Abkehr von der durch den Stand der Technik dokumentierten eingefahrenen Vorstellung der Fachwelt, die Verstellbewegung des Schneidmessers müsse parallel zur Rotationsachse des Schneidmessers erfolgen, in der hier verwendeten Terminologie also parallel zur Messerachse und/oder Mittelachse. Durch den erfindungsgemäßen Ansatz, das Schneidmesser schräg zu dessen Rotationsachse zu bewegen, kann der zu überwindende Anteil der Gewichtskraft verringert oder - wie in einer bevorzugten Ausgestaltung mit horizontal verlaufender Verstellrichtung - auf Null reduziert werden. Die Erfindung ermöglicht somit eine gewichtskraftneutrale Messerverstellung, bei welcher im Fall einer horizontalen Verstellbewegung aus der Sicht der Verstelleinrichtung lediglich die träge Masse der zu bewegenden Baueinheit eine Rolle spielt.The invention thus means a departure from the well-documented by the prior art retracted notion of the art, the adjustment of the cutting blade must be parallel to the axis of rotation of the cutting blade, in the terminology used here parallel to the blade axis and / or center axis. By the inventive approach to move the cutting blade obliquely to its axis of rotation, the portion of the weight to be overcome reduced or - as in a preferred embodiment with horizontally extending adjustment - are reduced to zero. The invention thus enables a weight-neutral knife adjustment, in which in the case of a horizontal adjustment movement from the point of view of the adjustment only the inertial mass of the unit to be moved plays a role.
Damit erreicht die Erfindung aber nicht nur den Vorteil einer geringeren Leistungsanforderung an die Verstelleinrichtung, sondern es werden darüber hinaus weitere Vorteile erzielt:
- Wenn gemäß dem Stand der Technik das Messer parallel zu seiner Rotationsachse verstellt wird, dann ist der Verstellweg identisch mit der durch das Verstellen erzielten Abstandsänderung zwischen Messer und vorderem Produktende oder zwischen Messer und Schneidkante, da die Rotationsachse des Messers und die Produktzuführrichtung parallel zueinander verlaufen. Wenn erfindungsgemäß dagegen die Verstellrichtung schräg zur Rotationsachse des Messers verläuft, dann muss das Messer im Vergleich zum Stand der Technik einen größeren Weg zurücklegen, um die gleiche Abstandsänderung zu bewirken. Diese Vergrößerung des Verstellweges ist tatsächlich ein Vorteil, da - wie eingangs bereits erläutert - die hier in Rede stehenden Verstellwege ohnehin klein sind, nämlich lediglich einige Millimeter bis maximal wenige Zentimeter betragen, was im Hinblick auf Auslegung und Betrieb der Verstelleinrichtung grundsätzlich problematisch ist. Die Genauigkeit von Stellbewegungen ist nämlich umso schwieriger zu gewährleisten, je kürzer der Verstellweg ist. Gerade die an Hochleistungs-Slicern benötigten Messerbewegungen erfordern ein Höchstmaß an Präzision, so dass entsprechend hohe Anforderungen an die Antriebstechnik gestellt werden, zumal nur extrem kurze Zeiten für die Stellbewegungen zur Verfügung stehen, wie ebenfalls im Einleitungsteil erläutert. Solange der erforderliche Verstellweg insgesamt nicht zu groß wird, stellt somit jede sich - aus Sicht der Verstelleinrichtung - ergebende Vergrößerung des Verstellweges eine Erleichterung insofern dar, als die geforderte Präzision der Verstellbewegung einfacher realisiert werden kann oder überhaupt erst ermöglicht wird.
- If, according to the prior art, the blade is displaced parallel to its axis of rotation, then the adjustment path is identical to the change in distance between knife and front product end or between knife and cutting edge achieved by the adjustment, since the axis of rotation of the knife and the product feed direction are parallel to one another run. On the other hand, according to the invention, if the adjustment direction runs obliquely to the axis of rotation of the knife, then the knife has to cover a larger distance in comparison to the prior art in order to bring about the same change in distance. This increase in the adjustment is actually an advantage, since - as already explained - the adjustment here in question are small anyway, namely only a few millimeters to a maximum of a few centimeters, which is fundamentally problematic in terms of design and operation of the adjustment. The accuracy of positioning movements is namely the more difficult to ensure, the shorter the adjustment is. Especially the knife movements required on high-performance slicers require the highest degree of precision, so that correspondingly high demands are placed on the drive technology, especially since only extremely short times are available for the positioning movements, as also explained in the introductory part. As long as the required adjustment is not too large overall, thus each - from the perspective of the adjustment - resulting increase in the adjustment is a relief insofar as the required precision of the adjustment can be easily realized or even made possible.
Um diese Zusammenhänge zu illustrieren, sei beispielhaft erwähnt, dass im Falle eines Spindelantriebs für die Messerbewegung, wie er beispielsweise aus
Auch angesichts dieses Sachverhalts wird deutlich, dass eine Vergrößerung des Verstellweges unerwartete Zusatzvorteile bieten kann, indem beispielsweise bei Verwendung eines Spindelantriebs für die Verstelleinrichtung die erforderliche Spindelschmierung vereinfacht wird.Also, in view of this fact becomes clear that an increase in the adjustment can provide unexpected additional benefits, for example, by using a spindle drive for the adjustment the required spindle lubrication is simplified.
Des Weiteren kann generell gesagt werden, dass die Erfindung eine höhere Regelgüte für die Antriebe ermöglicht, da gleichmäßigere Lastverhältnisse und größere Verstellwege vorhanden sind.Furthermore, it can generally be said that the invention allows a higher control quality for the drives, since there are more uniform load conditions and larger adjustment paths.
Vorteilhafte Ausgestaltungen der Erfindung sind auch in den abhängigen Ansprüchen, der Beschreibung sowie der Zeichnungen angegeben.Advantageous embodiments of the invention are also specified in the dependent claims, the description and the drawings.
Wie vorstehend bereits erwähnt, kann gemäß einer möglichen Ausgestaltung der Erfindung vorgesehen sein, dass die Verstellrichtung des Schneidmessers zumindest näherungsweise horizontal verläuft. Der "Gewichtsanteil" des Messers beim Verstellen wird auf diese Weise auf Null reduziert, d.h. die Verstelleinrichtung braucht das Messer nicht mehr "anzuheben".As already mentioned above, it can be provided according to a possible embodiment of the invention that the adjustment direction of the cutting blade extends at least approximately horizontally. The "weight fraction" of the knife during adjustment is thus reduced to zero, i. The adjustment does not need to "raise" the knife.
Die Messerachse und/oder die Mittelachse des Schneidmessers kann zumindest näherungsweise parallel zur Produktzuführrichtung verlaufen.The knife axis and / or the central axis of the cutting blade can extend at least approximately parallel to the product feed direction.
Die Verstelleinrichtung für das Schneidmesser kann einen Linearantrieb umfassen, beispielsweise einen Spindelantrieb oder eine Kolben-Zylinder-Anordnung. Bevorzugt verläuft die Drehachse des Spindelantriebs bzw. die Längsachse der Kolben-Zylinder-Anordnung parallel zur Verstellrichtung des Schneidmessers. Alternativ kann die Verstelleinrichtung für das Schneidmesser einen Exzenterantrieb umfassen.The adjusting device for the cutting blade may comprise a linear drive, for example a spindle drive or a piston-cylinder arrangement. The axis of rotation of the spindle drive or the longitudinal axis of the piston-cylinder arrangement preferably runs parallel to the adjustment direction of the cutting blade. Alternatively, the adjusting device for the cutting blade may comprise an eccentric drive.
In einer möglichen Ausgestaltung ist zum Verstellen des Messers ein Messerkopf als Ganzes in der Verstellrichtung bewegbar. Der Messerkopf umfasst insbesondere eine Messerhalterung, an der das Schneidmesser auswechselbar angebracht ist, und zumindest ein Drehlager für die Bewegung des Schneidmessers um die Messerachse und/oder um die Mittelachse. Durch die Bewegung des Messerkopfs als Ganzes erfolgt keine Relativbewegung in Verstellrichtung zwischen der Messerhalterung und dem Drehlager. Dies bedeutet in konstruktiver Hinsicht eine Vereinfachung.In one possible embodiment, a knife head as a whole in the adjustment direction is movable for adjusting the knife. The cutter head in particular comprises a knife holder on which the cutting blade is interchangeably mounted, and at least one pivot bearing for the movement of the cutting blade about the knife axis and / or about the central axis. By the movement of the cutter head as a whole there is no relative movement in the adjustment between the knife holder and the pivot bearing. This means a simplification in terms of design.
Ein besonderer Vorteil einer Bewegung des Messerkopfes als Ganzes besteht darin, dass es sich bei dem Messerkopf sowohl um einen Sichelmesserkopf für ein um die Messerachse rotierendes Sichelmesser als auch um einen Kreismesserkopf für ein um die Messerachse rotierendes und um die Mittelachse planetarisch umlaufendes Kreismesser handeln kann. Wie auch immer die Verstelleinrichtung konkret ausgestaltet ist, bedeutet dies also, dass das jeweilige Verstellprinzip sowohl für ein Sichelmesser als auch für ein Kreismesser anwendbar ist.A particular advantage of a movement of the cutter head as a whole is that the cutter head can be both a sickle cutter head for a sickle knife rotating about the knife axis and a circular knife head for a circular knife rotating around the knife axis and rotating around the central axis. Whatever the adjusting device is configured concretely, this means that the respective adjustment principle is applicable to both a sickle blade and a circular blade.
Es kann ein bezüglich der Verstellrichtung stationärer Träger, der beispielsweise ein Bestandteil eines ortsfesten Gestells der Aufschneidevorrichtung oder der an dem Gestell befestigbar ist, vorgesehen sein, relativ zu welchem der Messerkopf als Ganzes in Verstellrichtung bewegbar ist.It can be provided with respect to the adjustment direction stationary carrier, for example, a component of a stationary frame of the slicing or can be attached to the frame, relative to which the cutter head is movable as a whole in the adjustment direction.
Der Träger kann an oder in einem Schneidkopfgehäuse angeordnet sein.The carrier may be arranged on or in a cutting head housing.
Dieser Träger kann universell derart ausgebildet sein, dass zwischen einem Sichelmesserkopf und einem Kreismesserkopf gewechselt werden kann. Damit kann auf besonders einfache Weise ein Sichelmesser-Slicer in einen Kreismesser-Slicer umgewandelt werden, und umgekehrt.This carrier can be universally designed so that it can be exchanged between a sickle cutter head and a circular blade head. This can be converted into a circular blade slicer in a particularly simple manner, a sickle knife slicer, and vice versa.
Des Weiteren ist insbesondere vorgesehen, dass das Schneidmesser in der Verstellrichtung zur Durchführung wenigstens einer Zusatzfunktion bewegbar ist, insbesondere zur Durchführung von Leerschnitten, die z.B. bei einem portionsweisen Aufschneiden und/oder im Rahmen einer Höhen- oder Eintauchtiefeneinstellung durchgeführt werden, und/oder zur Schneidspalteinstellung.Furthermore, it is provided in particular that the cutting blade is movable in the adjustment direction for carrying out at least one additional function, in particular for carrying out blank cuts, which are e.g. be performed in a portionwise slicing and / or in the context of a height or immersion depth adjustment, and / or for cutting gap adjustment.
Der Begriff "Zusatzfunktion" ist dahingehend zu verstehen, dass damit eine Funktion gemeint ist, die nicht ausschließlich die eigentliche Aufschneidefunktion, also die Rotations- bzw. Umlaufbewegung des Schneidmessers betrifft. Bei der Zusatzfunktion handelt es sich insbesondere um die Durchführung von Leerschnitten oder um das Einstellen des Schneidspalts, worauf nachstehend näher eingegangen wird. Bei der Zusatzfunktion kann es sich auch um eine Höheneinstellung bzw. Einstellung der Eintauchtiefe des Schneidmessers, insbesondere in Bezug auf das oder die aufzuschneidenden Produkte bzw. die Produktauflage, handeln, genauer gesagt um die Vermeidung einer Schnitzelbildung bei im Rahmen der Höhen- bzw. Eintauchtiefeneinstellung durchgeführten Leerschnitten. Die Verstellbewegung des Messers erfolgt also bei Bedarf dann, wenn die Zusatzfunktion durchgeführt werden soll, wobei diese Zusatzfunktion - je nach ihrer Art - bei rotierendem bzw. umlaufendem Schneidmesser und/oder bei stillstehendem Schneidmesser durchführbar ist.The term "additional function" is to be understood as meaning a function that does not exclusively relate to the actual slicing function, that is to say the rotational movement of the cutting blade. The additional function is, in particular, the performance of empty cuts or the setting of the cutting gap, as will be discussed in greater detail below. The additional function may also be a height adjustment or adjustment of the immersion depth of the cutting blade, in particular with respect to the product or products to be sliced or the product support, more precisely the avoidance of chips during the height or immersion depth adjustment performed blank cuts. The adjustment movement of the knife is thus when needed when the additional function is to be performed, this additional function - depending on their nature - with rotating or rotating cutting blade and / or with a stationary cutting blade is feasible.
Des Weiteren kann erfindungsgemäß vorgesehen sein, dass das Schneidmesser derart in der Verstellrichtung bewegbar ist, dass sich der Abstand zwischen dem Schneidmesser und einer Bezugsebene, die parallel zu einer durch die Schneide des Schneidmessers definierten Schneidebene verläuft, verändert.Furthermore, it can be provided according to the invention that the cutting blade is movable in the adjustment direction in such a way that the distance between the cutting blade and a reference plane which runs parallel to a cutting plane defined by the cutting edge of the cutting blade changes.
In diesem Zusammenhang ist zu erwähnen, dass für die meisten der in der Praxis relevanten Situationen, in denen ein Verstellen des Schneidmessers erforderlich oder gewünscht ist, ein maximaler Verstellweg von nicht mehr als 5 bis 10 mm ausreichend ist, wobei in vielen Fällen die maximal notwendigen Verstellwege sogar kleiner als 5 mm sind. Insbesondere reicht es für die Durchführung schnitzelfreier Leerschnitte aus, wenn zwischen dem Schneidmesser und dem vorderen Produktende ein Abstand von wenigen Millimetern hergestellt wird. Dies gilt auch für die Schneidspalteinstellung, da in den meisten Fällen eine maximale Spaltgröße von wenigen Millimetern nicht überschritten zu werden braucht oder überhaupt nicht überschritten werden darf.In this connection it should be mentioned that for most of the situations which are relevant in practice, in which adjustment of the cutting blade is required or desired, a maximum displacement of not more than 5 to 10 mm is sufficient, in many cases the maximum necessary Adjustment paths are even smaller than 5 mm. In particular, it is sufficient for the implementation of schnitzel free empty cuts when between the cutting blade and the front end of the product a distance of a few millimeters is produced. This also applies to the cutting gap setting, since in most cases a maximum gap size of a few millimeters need not be exceeded or may not be exceeded at all.
Bei der Schneidspalteinstellung wird der Spalt zwischen dem Schneidmesser - genauer gesagt der durch die Schneide des Messers definierten Schneidebene - und einer Schneidkante auf ein vorgegebenes Maß eingestellt. Die auch als Gegenmesser bezeichnete Schneidkante wirkt beim Abtrennen von Scheiben vom Produkt mit dem Schneidmesser zusammen. Die Schneidkante bildet insbesondere das in Produktzuführrichtung vorne liegende Ende der Produktauflage. Schneidkanten kommen in der Praxis in vielerlei Ausgestaltungen vor. Selbst relativ komplexe Anordnungen, die beispielsweise als so genannte Manschetten oder Formschalen mit in Umfangsrichtung offenen oder geschlossenen Durchführungen für die aufzuschneidenden Produkte versehen sind, um zur Erhöhung der Schneidqualität das vordere Produktende optimal zu fixieren, werden in der Praxis häufig einfach als "Schneidkante" bezeichnet.In the cutting gap setting, the gap between the cutting blade - more precisely, the cutting plane defined by the blade of the blade - and a cutting edge is set to a predetermined level. The cutting edge, also referred to as a counter knife, interacts with the cutting blade when separating slices from the product. The cutting edge forms, in particular, the end of the product support which is at the front in the product feed direction. Cutting edges occur in practice in many embodiments. Even relatively complex arrangements, which are provided, for example, as so-called cuffs or shell molds with circumferentially open or closed feedthroughs for the products to be sliced to optimally fix the front end of the product to increase the quality of cutting, are often referred to simply as "cutting edge" in practice ,
In Abhängigkeit von dem aufzuschneidenden Produkt sowie gegebenenfalls von anderen Gegebenheiten ist es für eine optimale Schneidqualität erforderlich, den - in Produktzuführrichtung, also senkrecht zur Schneidebene gemessenen - Abstand zwischen dem Schneidmesser und der Schneidkante auf ein bestimmtes Maß einzustellen. Die axiale Lage der Schneidebene ist insoweit nicht exakt definiert, da die durch die Schneidkante definierte Ebene einerseits und die durch das Schneidmesser - genauer: durch die Messerschneide - definierte Ebene andererseits ebenfalls nicht zusammenfallen. Dies ist aber insofern unproblematisch, als beispielsweise die durch die Schneidkante definierte Ebene als Bezugsebene herangezogen werden kann, wenn ein Bezug in axialer Richtung, also in Produktzuführrichtung, benötigt oder gewünscht wird.Depending on the product to be sliced and possibly on other conditions, it is necessary for optimum cutting quality, the - measured in the product feed direction, ie perpendicular to the cutting plane - distance between the cutting blade and the To set the cutting edge to a certain degree. The axial position of the cutting plane is not exactly defined insofar as the plane defined by the cutting edge, on the one hand, and the plane defined by the cutting blade, more precisely by the knife edge, likewise do not coincide. However, this is unproblematic insofar as, for example, the plane defined by the cutting edge can be used as a reference plane when a reference in the axial direction, ie in the product feed direction, is required or desired.
Ein weiterer Vorteil der Erfindung, der auch in diesem Zusammenhang von Bedeutung ist, besteht darin, dass das Schneidmesser seine Orientierung relativ zur Produktzuführrichtung beibehält, insbesondere also die Schneidebene in jeder Messerstellung senkrecht zur Produktzuführrichtung verläuft. Damit kann die Bewegbarkeit des Schneidmessers auch für solche Funktionen - wie z.B. die vorstehend erläuterte Schneidspalteinstellung - genutzt werden, bei denen eine nicht parallele Ausrichtung des Schneidmessers relativ zur ursprünglichen Schneidebene, also beispielsweise ein Verkippen des Schneidmessers während der Verstellbewegung, nicht akzeptiert werden kann. Während es für die Durchführung von Leerschnitten prinzipiell unerheblich ist, welche Orientierung das Schneidmesser bezüglich der Produktzuführrichtung einnimmt, solange ein ausreichend großer Abstand zwischen Schneidmesser und vorderem Produktende vorhanden ist, ist es bei einem Verstellen des Schneidmessers zum Zwecke der Schneidspalteinstellung ersichtlich zwingend erforderlich, dass das Schneidmesser in jeder Stellung mit der Schneidebene senkrecht zur Produktzuführrichtung ausgerichtet ist, da das Schneidmesser in jeder Stellung die eigentliche Schneidefunktion erfüllen muss.Another advantage of the invention, which is also important in this context, is that the cutting blade maintains its orientation relative to the product feed direction, ie in particular the cutting plane runs perpendicular to the product feed direction in each knife position. Thus, the mobility of the cutting blade for such functions - such. the above-described cutting gap setting - are used, in which a non-parallel alignment of the cutting blade relative to the original cutting plane, so for example, a tilting of the cutting blade during the adjustment, can not be accepted. While it is in principle irrelevant for the performance of blank cuts, which orientation the cutting blade with respect to the product feed direction, as long as there is a sufficiently large distance between the cutting blade and the front product end, it is imperative for an adjustment of the cutting blade for the purpose of cutting gap adjustment that the The cutting blade is aligned in every position with the cutting plane perpendicular to the product feed direction, since the cutting blade must fulfill the actual cutting function in every position.
Die erfindungsgemäße Vorrichtung kann zur Durchführung von Leerschnitten verwendet werden, insbesondere beim portionsweisen Aufschneiden von Lebensmittelprodukten, wobei zur vorübergehenden Unterbrechung des Abtrennens von Scheiben von dem Produkt das Schneidmesser von dem vorderen Produktende wegbewegt und nach Durchführung eines oder mehrerer Leerschnitte zur Wiederaufnahme des Abtrennens von Scheiben von dem Produkt wieder zurückbewegt wird.The device according to the invention can be used to carry out blank cuts, in particular when portion-wise slicing of food products, wherein to temporarily interrupt the separation of slices from the product, the cutting knife is moved away from the front product end and moved back after performing one or more slices to resume slicing of the product.
Ferner kann die erfindungsgemäße Vorrichtung zur Schneidspalteinstellung verwendet werden, wobei durch Bewegen des Schneidmessers der Spalt zwischen dem Schneidmesser und einer Schneidkante auf ein vorgegebenes Maß eingestellt wird.Furthermore, the device according to the invention can be used for cutting gap adjustment, wherein by moving the cutting blade, the gap between the cutting blade and a cutting edge is set to a predetermined level.
Die Erfindung wird im Folgenden beispielhaft unter Bezugnahme auf die Zeichnung beschrieben. Es zeigen:
- Fig. 1
- eine schematische Darstellung des Funktionsprinzips eines Slicers mit axial verstellbarem Schneidmesser gemäß dem Stand der Technik,
- Fig. 2
- eine schematische Seitenansicht eines erfindungsgemäßen Slicers mit horizontal verstellbarem Messerkopf,
- Fig. 3
- schematisch eine Seitenansicht einer möglichen konkreten Ausgestaltung eines Schneidkopfes eines erfindungsgemäßen Slicers,
- Fig. 4
- einen vergrößert dargestellten Ausschnitt von
Fig. 3 bei in der Schneidposition befindlichem Messer, und - Fig. 5
- eine Darstellung entsprechend
Fig. 4 mit in einer ausgerückten Position befindlichem Schneidmesser,
- Fig. 1
- a schematic representation of the operating principle of a slicer with axially adjustable cutting blade according to the prior art,
- Fig. 2
- a schematic side view of a slicer according to the invention with horizontally adjustable cutter head,
- Fig. 3
- 1 is a schematic side view of a possible concrete embodiment of a cutting head of a slicer according to the invention,
- Fig. 4
- an enlarged section of
Fig. 3 when in the cutting position befindlichem knife, and - Fig. 5
- a representation accordingly
Fig. 4 with a cutting blade in a disengaged position,
Die Schneidebene S ist durch die Schneide eines Schneidmessers 11 definiert, das während des Aufschneidebetriebs mit einer auch als Gegenmesser bezeichneten Schneidkante 31 zusammenwirkt, die den vorderen Abschluss der Produktauflage 37 bildet. In der Praxis handelt es sich bei der Schneidkante meist um ein separates, auswechselbares Bauteil z.B. aus Kunststoff oder Stahl, welches hier aus Gründen der Einfachheit nicht dargestellt ist.The cutting plane S is defined by the cutting edge of a
Wie im Einleitungsteil erwähnt, kann es sich bei dem Schneidmesser 11 um ein so genanntes Kreismesser handeln, das sowohl um eine Mittelachse planetarisch umläuft als auch um eine eigene Messerachse rotiert. Alternativ kann es sich bei dem Schneidmesser 11 um ein so genanntes Sichel- oder Spiralmesser handeln, das nicht planetarisch umläuft, sondern lediglich um die Messerachse A rotiert. Der Antrieb für das Schneidmesser 11 ist in
Um im Rahmen einer Zusatzfunktion des Slicers zwischen dem Messer 11 und dem vorderen Ende des Produkts 27 einen Abstand herzustellen, ist eine nicht dargestellte Verstelleinrichtung vorgesehen, die dazu ausgebildet ist, das Schneidmesser 11 zu bewegen. Wie durch den Doppelpfeil in
Bei einem portionsweisen Aufschneiden des Produkts 27, wie es in
Während des Aufschneidens stellt die Produktauflage 37 somit eine schiefe Ebene für das Produkt 27 dar. Die Vorschubbewegung des Produkts 27 wird hierdurch von der Erdanziehung unterstützt. Von größerer Bedeutung ist jedoch, dass aufgrund der Schrägstellung der Produktzuführung 13 das vordere Produktende nicht - wie es bei einem horizontal liegenden Produkt der Fall wäre - vertikal orientiert ist, so dass aufgrund der Neigung des vorderen Produktendes die Ablage der abgetrennten Produktscheiben 33 - hier auf einem Abtransportband 45 - verbessert oder überhaupt erst eine brauchbare Produktablage ermöglicht wird.During the slicing, the
Das Aufschneiden von Lebensmittelprodukten 27 mit gegenüber der Horizontalen H geneigter Produktzuführung 13 ist aus dem Stand der Technik hinreichend bekannt. Praktisch alle Hochleistungs-Slicer arbeiten mit einer derartigen schrägen Produktzuführung 13.The slicing of
Während bei aus dem Stand der Technik bekannten Slicem das Schneidmesser 11 - entsprechend der Darstellung in
Während mit durchgezogenen Linien die Schneidposition des Messers 11 dargestellt ist, in welcher die Schneidebene S und eine durch die Schneidkante 31 definierte Bezugsebene zusammenfallen, ist in
Während der Aufbau und das Verstellen des Messerkopfs 19 näher anhand der
Das Messer 11 ist auswechselbar an einer hier so bezeichneten Messerhalterung 17 angebracht, die auch als Messeraufnahme, Rotor oder Messerwelle bezeichnet wird. Die mögliche Bezeichnung als Messerwelle wird auch deshalb gewählt, da es sich in der hier dargestellten Ausgestaltung bei der Messerhalterung 17 um diejenige Komponente des Messerkopfs 19 handelt, die unmittelbar - nämlich mit einem Antriebsriemen 43 - vom Rotationsantrieb 39 des Slicers in Rotation versetzt wird.The
Der als Ganzes in Verstellrichtung V hin- und herbewegbare Messerkopf 19 umfasst des Weiteren ein Basisteil 49, welches nicht rotiert. Zwischen der Messerhalterung 17 und dem Basisteil 49 sind Wälzlager 21 angeordnet.The
Über Gleit- oder Schiebelager 22 ist das Basisteil 49 und damit der Messerkopf 19 in Verstellrichtung V, also horizontal, und damit schräg zur Messerachse A und zur Produktzuführrichtung F relativ zu einem Träger 24 verschiebbar.About sliding or sliding
Der hier näherungsweise eine S- oder Z-Form aufweisende Träger 24 ist fest mit einer Wand 47 verbunden, die Bestandteil eines Schneidkopfgehäuses 41 ist, welches bezüglich der Verstellrichtung V an einem ortsfesten Gestell oder Rahmen 23 (vgl.
Eine Abdeckung oder Haube, die mit dem Schneidkopfgehäuse 41 verbunden ist und während des Schneidebetriebs das Schneidmesser zumindest teilweise umgibt, ist ebenfalls vorgesehen, in den
Eine Verstelleinrichtung für den Messerkopf 19, die einen Spindelantrieb mit einer Spindel 51 und einer Spindelmutter 53 umfasst, stützt sich am Schneidkopfgehäuse 41 ab, wobei alternativ auch eine Abstützung des Spindelantriebs (oder allgemein eines wie auch immer ausgestalteten Verstellantriebs für das Schneidmesser 11 bzw. den Messerkopf 19) am Träger 24 vorgesehen sein kann.An adjusting device for the
Ein nicht dargestellter Antriebsmotor ist dazu ausgebildet, die in Verstellrichtung V fest mit dem Schneidkopfgehäuse 41 verbundene Spindelmutter 53 auf Anforderung um eine Drehachse D des Spindelantriebs zu drehen. Je nach Drehrichtung der Spindelmutter 53 bewegt sich infolgedessen die Spindel 51 in
Während
Da die Verstellbewegung des Messerkopfs 19 und damit des Messers 11 in horizontaler Richtung und somit schräg zur Produktzuführrichtung F erfolgt, ist der in Produktzuführrichtung F gemessene Abstand 55 (
Während in dem Ausführungsbeispiel der
In einer weiteren Alternative der dargestellten Ausführungsform kann anstelle des dargestellten Sichelmesserkopfs 19 auch ein Kreismesserkopf vorgesehen sein und in horizontaler Richtung V verstellt werden. Insbesondere können diese unterschiedlichen Messerköpfe einerseits und der Träger 24, relativ zu welchem die Verstellbewegung in Verstellrichtung V erfolgt, andererseits in Form einer universellen, aufeinander abgestimmten Schnittstelle oder Kopplungseinrichtung ausgebildet sein, so dass ein einziges Schneidkopfgehäuse 41 mit Verstelleinrichtung, z.B. mit Spindelantrieb 51, 53, sowohl mit einem Sichelmesserkopf als auch mit einem Kreismesserkopf gekoppelt werden kann. Bei Abstimmung der unterschiedlichen Messerköpfe auch hinsichtlich des erforderlichen Rotationsantriebs kann dann auch der gleiche Rotationsantrieb für die unterschiedlichen Messerköpfe verwendet werden.In a further alternative of the illustrated embodiment, instead of the illustrated
Im Hinblick auf den in
Der Effekt der Riemenlängung bzw. -auslenkung kann auch durch eine geeignete Orientierung des Messerkopfes zumindest weitgehend eliminiert werden. Hierzu kann der Messerkopf so eingebaut werden, dass seine Längsachse mit der Rotationsachse nicht zusammenfällt, sondern gegenüber dieser um einen bestimmten Winkel verkippt montiert ist. Dabei kann sich ergeben, dass die Verstellrichtung nicht exakt horizontal, sondern schräg zur Horizontalen verläuft.The effect of the belt elongation or deflection can also be at least largely eliminated by a suitable orientation of the cutter head. For this purpose, the cutter head can be installed so that its longitudinal axis does not coincide with the axis of rotation, but is mounted tilted relative to this by a certain angle. It may turn out that the adjustment direction is not exactly horizontal but oblique to the horizontal.
- 1111
- Schneidmessercutting blade
- 1313
- Produktzuführungproduct feed
- 1717
- Messerhalterungknife holder
- 1919
- Messerkopfcutter head
- 2121
- Drehlagerpivot bearing
- 2222
- Gleit- oder SchiebelagerSliding or sliding bearing
- 2323
- Gestellframe
- 2424
- gestellfester Trägerframe-fixed carrier
- 2525
- Produkthalterproduct holder
- 2727
- Produktproduct
- 3131
- Schneidkantecutting edge
- 3333
- Produktscheibeproduct slice
- 3535
- Scheibenportionslice serving
- 3737
- Produktauflageproduct support
- 3939
- Rotationsantriebrotary drive
- 4141
- SchneidkopfgehäuseCutting head housing
- 4343
- Antriebsriemendrive belts
- 4545
- Abtransportbandremoval belt
- 4747
- Wandwall
- 4949
- Basisteilbase
- 5151
- Spindelspindle
- 5353
- Spindelmutterspindle nut
- 5555
- Abstanddistance
- 5757
- Spaltgap
- AA
- Messerachseblade axis
- FF
- Produktzuführrichtungproduct feed
- SS
- Schneidebenecutting plane
- TT
- Abtransportrichtungremoval direction
- VV
- Verstellrichtungadjustment
- HH
- Horizontalehorizontal
- DD
- Drehachse des SpindelantriebsRotary axis of the spindle drive
- αα
- Neigungswinkeltilt angle
Claims (15)
- An apparatus for slicing food products (27), in particular a high-performance slicer, comprising- a product feed (13);- at least one cutting blade (11) which rotates about a blade axis (A) and/or which orbits a center axis in a planetary motion and to which at least one product (27) to be sliced can be fed in a product feed direction (F); and- an adjustment device for the cutting blade (11) with which the cutting blade (11) is movable in an adjustment direction (V),wherein the blade axis (A) and/or the center axis of the cutting blade (11) is inclined with respect to the horizontal (H) during the slicing; and
wherein the adjustment direction (V) of the cutting blade (11) extends obliquely to the blade axis (A) and/or to the center axis of the cutting blade (11),
characterized in that
the adjustment movement of the cutting blade (11) is a linear movement. - An apparatus in accordance with claim 1,
characterized in that
the adjustment direction (V) of the cutting blade (11) extends at least approximately horizontally. - An apparatus in accordance with claim 1 or claim 2,
characterized in that
the adjustment device for the cutting blade includes an eccentric drive. - An apparatus in accordance with any one of the preceding claims,
characterized in that
the angle of inclination (α) between the blade axis (A) and/or the center axis of the cutting blade (11) and the horizontal (H) lies in the range from 30° to 50°, and in particular amounts to at least approximately 40°, during the slicing. - An apparatus in accordance with any one of the preceding claims,
characterized in that
a blade holder (17) to which the cutting blade (11) is replaceably attachable is movable in the adjustment direction (V). - An apparatus in accordance with any one of the preceding claims,
characterized in that
a blade holder to which the cutting blade is replaceably attachable is movable in the adjustment direction relative to at least one rotary bearing for the movement of the cutting blade about the blade axis and/or about the central axis and/or relative to a base part via which the blade holder is attachable to a carrier fixed to the rack. - An apparatus in accordance with any one of the preceding claims,
characterized in that
a blade head (19) is movable as a whole in the adjustment direction (V), with the blade head (19) preferably comprising a blade holder (17) to which the cutting blade (11) is replaceably attachable and at least one rotary bearing (21) for the movement of the cutting blade (11) about the blade axis (A) and/or about the center axis. - An apparatus in accordance with any one of the preceding claims,
characterized in that
a fixed-position rack (23) is provided, with a blade head (19) as a whole or a blade holder to which the cutting blade is replaceably attachable being movable relative to a carrier (24) fixed to the rack in the adjustment direction (V). - An apparatus in accordance with any one of the preceding claims,
characterized in that
a plain bearing or slide bearing (22) is provided between the blade head (19) and the carrier (24) or between a blade holder to which the cutting blade is replaceably attachable and at least one rotary bearing for the movement of the cutting blade about the blade axis and/or about the center axis. - An apparatus in accordance with claim 8 or claim,
characterized in that
the carrier (24) for the blade head (19) is made universal such that a change can be made between a scythe-like blade head and a circular blade head. - An apparatus in accordance with any one of the preceding claims,
characterized in that
a rotary drive (39) is associated with a blade head (19), with the rotary drive (39) being arranged fixed to the rack or being able to make a compensation movement coordinated with the adjustment movement of the cutting blade (11). - An apparatus in accordance with any one of the preceding claims,
characterized in that
a rotary drive (39) is associated with a blade head (19), with the rotary drive (39) being arranged together with the blade head (19) at or in a cutting head housing (41) fixed to the rack. - An apparatus in accordance with any one of the preceding claims,
characterized in that
a rotary drive (39) is associated with a blade head (19), with the rotary drive (39) cooperating with the blade head (19) carrying out the adjustment movement as a whole or with a part of the blade head carrying out the adjustment movement, in particular with a blade holder, in particular via at least one drive belt (43). - An apparatus in accordance with any one of the preceding claims,
characterized in that
the cutting blade (11) is movable in the adjustment direction (V) such that the spacing is changed between the cutting blade (11) and a reference plane which extends in parallel with a cutting plane (S) defined by the edge of the cutting blade (11). - A method of slicing food products, in particular by means of an apparatus in accordance with any one of the claims 1 to 14, wherein at least one product (27) is fed by means of a product feed (13) to a cutting plane in which at least one cutting blade (11) is moved, which rotates about a blade axis (A) and(or which orbits a center axis in a planetary motion, for cutting slices from the product (27), wherein the blade axis (A) and/or the center axis of the cutting blade (11) is inclined with respect to the horizontal (H) during the slicing; and
the cutting blade (11)) is moved for carrying out at least one additional function, in particular for carrying out blank cuts, for setting the cutting gap and/or for the vertical and/or dipping depth setting, in an adjustment direction (V) extending obliquely to the blade axis (A) and/or to the center axis of the cutting blade (11),
characterized in that
the cutting blade (11) is moved linearly in the adjustment.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009056670A DE102009056670A1 (en) | 2009-12-02 | 2009-12-02 | Apparatus i.e. slicer, for slicing e.g. food product, has cutting blade that is pivotable, where cutting blade remains aligned parallel to cutting plane or departs from parallel alignment |
DE102010008047A DE102010008047A1 (en) | 2010-02-16 | 2010-02-16 | Apparatus i.e. slicer, for slicing e.g. food product, has cutting blade that is pivotable, where cutting blade remains aligned parallel to cutting plane or departs from parallel alignment |
Publications (2)
Publication Number | Publication Date |
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EP2329930A1 EP2329930A1 (en) | 2011-06-08 |
EP2329930B1 true EP2329930B1 (en) | 2015-10-14 |
Family
ID=43640196
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP10015142.2A Active EP2329930B1 (en) | 2009-12-02 | 2010-11-30 | Device for cutting a food product |
EP10015143.0A Active EP2329931B1 (en) | 2009-12-02 | 2010-11-30 | Device for cutting a food product |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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EP10015143.0A Active EP2329931B1 (en) | 2009-12-02 | 2010-11-30 | Device for cutting a food product |
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US (2) | US20110126679A1 (en) |
EP (2) | EP2329930B1 (en) |
ES (1) | ES2556634T3 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102010019248A1 (en) * | 2010-05-03 | 2011-11-03 | CFS Bühl GmbH | Method for operating a slicing device with multi-track drives |
DE102010034360A1 (en) * | 2010-06-11 | 2011-12-15 | CFS Bühl GmbH | Method and device for cutting gap adjustment of a slicing device |
DE102010055394A1 (en) * | 2010-12-21 | 2012-06-21 | Weber Maschinenbau Gmbh Breidenbach | Device and method for slicing several food products |
DE102011103864A1 (en) * | 2011-06-09 | 2012-12-13 | Weber Maschinenbau Gmbh Breidenbach | Method for slicing products |
DE102013200403A1 (en) * | 2012-12-24 | 2014-06-26 | Textor Maschinenbau GmbH | Device for slicing food products |
DE102016003938A1 (en) | 2016-04-06 | 2017-10-12 | Dipl.lng. S c h i n d l e r & Wagner GmbH & Co KG | Device for slicing food products |
CN107650185B (en) * | 2016-07-26 | 2024-06-11 | 深圳市联创三金电器有限公司 | Multifunctional electric shredding and slicing device |
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-
2010
- 2010-11-30 EP EP10015142.2A patent/EP2329930B1/en active Active
- 2010-11-30 US US12/957,189 patent/US20110126679A1/en not_active Abandoned
- 2010-11-30 ES ES10015143.0T patent/ES2556634T3/en active Active
- 2010-11-30 EP EP10015143.0A patent/EP2329931B1/en active Active
- 2010-11-30 US US12/957,214 patent/US20110126680A1/en not_active Abandoned
Also Published As
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EP2329931A1 (en) | 2011-06-08 |
EP2329930A1 (en) | 2011-06-08 |
ES2556634T3 (en) | 2016-01-19 |
US20110126680A1 (en) | 2011-06-02 |
US20110126679A1 (en) | 2011-06-02 |
EP2329931B1 (en) | 2015-09-23 |
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