EP2329931B1 - Dispositif de découpage de produits alimentaires - Google Patents

Dispositif de découpage de produits alimentaires Download PDF

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Publication number
EP2329931B1
EP2329931B1 EP10015143.0A EP10015143A EP2329931B1 EP 2329931 B1 EP2329931 B1 EP 2329931B1 EP 10015143 A EP10015143 A EP 10015143A EP 2329931 B1 EP2329931 B1 EP 2329931B1
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EP
European Patent Office
Prior art keywords
cutting
cutting blade
product
blade
plane
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.)
Active
Application number
EP10015143.0A
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German (de)
English (en)
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EP2329931A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weber Maschinenbau GmbH Breidenbach
Original Assignee
Weber Maschinenbau GmbH Breidenbach
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
Priority claimed from DE102009056670A external-priority patent/DE102009056670A1/de
Priority claimed from DE102010008047A external-priority patent/DE102010008047A1/de
Application filed by Weber Maschinenbau GmbH Breidenbach filed Critical Weber Maschinenbau GmbH Breidenbach
Publication of EP2329931A1 publication Critical patent/EP2329931A1/fr
Application granted granted Critical
Publication of EP2329931B1 publication Critical patent/EP2329931B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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 a high-performance slicer, with the features according to the preamble of claim 1.
  • An apparatus according to the preamble of claim 1 is made DE 42 14 264 A1 known.
  • a circular blade can be tilted for height adjustment.
  • Devices which 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, whereby this rotation axis itself does not perform any additional movement. In order to enable the product to be advanced beyond the cutting plane, that is to say the removal of product slices at all, these knives are designed in such a way that, for a certain rotation angle range during one revolution, they clear the way for advancing the product. Such a temporary release would not be possible with exclusively rotating circular knives.
  • the object of the invention is to provide a feasible with reasonable design cost possibility to produce at a slicer of the type mentioned, in particular a high-performance slicer, a distance between the cutting blade and front end product by a displacement of the cutting blade, thereby avoiding the formation of chips should be possible in the implementation of blank sections.
  • the cutting blade for performing blank cuts is pivotable such that the distance between the cutting blade and a reference plane which is parallel to the cutting plane or coincides with the cutting plane, changed while the cutting blade remains aligned parallel to the cutting plane.
  • 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 setting of the cutting gap, which will be discussed in more detail below.
  • the additional function can also be a height adjustment or adjustment of the immersion depth of the cutting blade, in particular with respect to the product (s) to be sliced or the product support. The pivoting of the cutting blade is thus carried out when the additional function is to be performed, this additional function - depending on their nature - in rotating or rotating cutting blade and / or in a stationary cutting blade is feasible.
  • the pivotable mounting according to the invention has the advantage that the forces required for pivoting can be kept relatively low. Furthermore, the pivot bearing has the advantage that no sliding or sliding bearings are required, as they are required in a purely translational, for example axial, adjustment.
  • the inventive design of the pivotable mounting such that the cutting blade remains aligned parallel to the cutting plane has, inter alia, the advantage that the mobility of the cutting blade can also be used for such functions in which a non-parallel orientation of the cutting blade relative to the cutting plane, so for example a tilting of the cutting blade during the adjustment, can not be accepted. While it is irrelevant for the performance of blank cuts, which orientation the cutting blade takes with respect to the cutting plane, as long as a sufficiently large distance between the cutting blade and the front product end is present, it is imperative when adjusting the cutting blade for the purpose of cutting gap adjustment that the cutting blade is aligned in any position parallel to the cutting plane, since the cutting blade must meet the actual cutting function in each position.
  • a cutting head comprising the cutting blade and pivotable as a whole is provided.
  • This development of the invention has the advantage, inter alia, that a bearing required for a rotation of the cutting blade is not affected by the adjusting movement.
  • Another advantage of this embodiment of the invention is that it is independent of the blade type and the way of driving the blade.
  • a sickle knife cutting head in which the cutting blade only rotates
  • a circular blade cutting head in which the circular blade rotates and in addition rotates planetary, can be pivoted in the manner according to the invention as a whole.
  • cutting head is to be understood broadly insofar as the size or the circumference of the unit which can be pivoted as a whole is not fixed,
  • a drive motor which is responsible for the rotary drive of the cutting blade can either belong to the cutting head and thus
  • the drive means between the stationary drive motor on the one hand and the cutting blade or knife shaft on the other hand can in this case be designed so that they allow the pivoting movement so-called knife head, which may include in particular the cutting blade including holder and gear, or comprise the cutter head and a so-called cutter head housing, which surrounds the cutter head at least partially and that for the rotary drive of the cutting blade may include care drive motor, the latter is not mandatory.
  • components other than the mentioned drive motor which have to do in particular in the broadest sense with drive, mounting and / or storage of the cutting blade, insofar do not belong to the cutting head, as they take place at the take place for performing a blank and optionally at least one additional function pivoting movement do not participate.
  • further components which in the broadest sense have to do with drive, mounting and / or mounting of the cutting blade, participate in the pivoting movement.
  • the unit to be pivoted as a whole may have a weight of 50 to 100 kg.
  • this mass does not pose a problem that would not be solvable with reasonable design effort, since the forces to be applied can be kept relatively low with a corresponding relative arrangement of pivot bearing and pivot drive, in particular by utilizing long lever arms Without having to make the pivot drive itself unnecessarily complicated.
  • At least one parallelogram guide, at least one parallelogram guide and / or at least one four-bar lever is provided for pivoting the cutting blade, which is preferably articulated on the cutting blade or on a cutting head or its holder or holder and on a base is.
  • a further embodiment of the invention may be provided for pivoting the cutting blade at least a pair of links and / or levers, which are articulated on the one hand on the cutting blade or on a cutting head and on the other hand on a base.
  • base is here a part of the slicing to understand relative to which the pivoting movement of the cutting blade, although it is not mandatory, but in most practical cases nevertheless provided that the base is stationary with respect to the environment, so even none as well always performs movement relative to the environment.
  • the parallelogram guide, the parallelogram link or the four-bar linkage can be designed such that their relevant elements, in particular handlebar and / or lever, each having the same length.
  • the articulation points of the elements or links and / or levers can be selected such that the respectively desired movement of the cutting blade results.
  • the lengths and / or the articulation points of the links and / or levers may be designed to be variable, in order - depending on the selected setting or set configuration - to be able to realize different movements of the cutting blade during pivoting.
  • the cutting blade is pivotally suspended.
  • the suspension can take place on a base belonging to the slicing device, wherein the base itself can be fixed with respect to the environment.
  • a further embodiment of the invention provides that a pivot drive is provided for the cutting blade.
  • this rotary actuator which serves to pivot the cutting blade for performing a blank and optionally at least one additional function, is provided in addition to a rotary drive of the cutting blade, which ensures the movement of the cutting blade in the cutting plane, ie for the rotation and / or rotation of the cutting blade is responsible.
  • each own drive is provided for the actual cutting on the one hand and the pivoting of the cutting blade on the other hand.
  • the pivoting drive for pivoting the cutting blade may be designed to act on the cutting blade along an effective at least substantially perpendicular to the cutting plane line of action. This makes it possible to design the pivot drive structurally particularly simple. It may, for example, serve as a simple piston / cylinder arrangement as a pivot drive. If the pivoting of the cutting blade is connected to a stroke, ie a movement component of the cutting blade in the cutting plane, then the coupling between the rotary drive and the cutting blade can be designed such that a relative movement between the rotary drive and the cutting blade taking place in the cutting plane is permitted without this Swiveling the cutting blade by means of the pivot drive to affect.
  • pivot drive It is also possible to store the pivot drive movable. A relative movement between the pivot drive and the cutting blade, in particular in the sense of a game between pivot drive and cutting blade, can be avoided in this way.
  • an adjusting device for the cutting blade is provided, with which the cutting blade is movable in an adjustment direction, wherein the blade axis and / or center axis of the cutting blade is inclined during cutting relative to the horizontal, and wherein the Adjustment of the cutting blade obliquely to the blade axis and / or center axis of the cutting blade runs.
  • the cutting blade may thus be pivotable so that effectively, i. when turning off at the beginning and end of the adjustment, results in a direction of inclination extending obliquely to the blade axis and / or center axis of the cutting blade.
  • the adjustment movement of the cutting blade does not have to be a linear movement, but the pivotable mounting of the cutting blade can also be designed such that a linear adjustment movement of the cutting blade results,
  • This further aspect of the invention means a departure from the prior art documented retracted concept 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. Due to the approach of moving the cutting blade obliquely to its axis of rotation, the portion of the weight to be overcome can be reduced or - as in a preferred embodiment with a horizontally extending adjustment direction - reduced to zero. This thus allows 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 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.
  • the adjustment direction is oblique to the axis of rotation of the blade, then the blade has to travel a greater distance compared to the prior art in order to effect 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.
  • 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.
  • 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.
  • this aspect of the invention enables 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 adjusting device for the cutting blade may comprise an eccentric drive.
  • the angle of inclination between the knife axis and / or center axis of the cutting blade and the horizontal during slicing may be in the range of 30 ° to 50 ° and in particular at least approximately 40 °.
  • a knife holder to which the cutting blade is interchangeably attachable, is movable in the adjustment direction.
  • a knife holder to which the cutting blade is interchangeably attachable, in the adjustment relative to at least one pivot 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, over which the Knife holder is attachable to a support fixed to the frame, is movable.
  • 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 about the knife axis and rotating around the central axis.
  • 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.
  • 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.
  • a sliding or sliding bearing can be provided between the cutter head and the carrier or between a knife holder to which the cutting blade is exchangeably attachable, and at least one pivot bearing for the movement of the cutting blade around the blade axis and / or about the central axis.
  • the carrier may be arranged on or in a cutting head housing.
  • the carrier for the cutter head can be universally designed such that it is possible to change between a sickle cutter head and a circular cutter head.
  • a cutter head which is associated with a rotary drive.
  • the rotary drive can be arranged fixed to the frame or be able to compensate for the adjustment of the cutting blade compensating movement.
  • the rotary drive can be arranged together with the cutter head on or in a frame-fixed cutting head housing.
  • the rotary drive can interact with the knife head which carries out the adjusting movement as a whole or with a part of the knife head, in particular a knife holder, which carries out the adjusting movement, in particular via at least one drive belt.
  • the cutting blade in the adjustment direction in addition to the implementation of blank sections, the e.g. be performed at a portion-wise slicing and / or in the context of a height or immersion depth adjustment, for performing at least one additional function is movable, in particular for cutting gap setting.
  • additional function is to be understood as meaning a function which does not relate exclusively to the actual slicing function, that is to say the rotational movement or orbital movement of the cutting blade.
  • the additional function is in particular the setting of the cutting gap, which will be discussed in more detail below.
  • the additional function can also be a height adjustment or adjustment of the depth of immersion 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 adjusting movement of the Knife thus takes place when needed, if 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 come in practice in many forms. 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 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 it is possible for the cutting blade to maintain its orientation relative to the product feed direction, ie in particular for the cutting plane to run perpendicular to the product feed direction in each knife position.
  • the mobility of the cutting blade for such functions - such as the above-described cutting gap setting - be 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 invention also relates to a use of a device of the type described. Type for performing blanks when portioning food products and / or at height or immersion depth adjustment.
  • the cutting blade may be pivoted away from the front product end and swung back out of the product after one or more slices have been made to resume slicing of the product.
  • the device is thus not only used for slicing the products, but during the slicing of a product if necessary to carry out one or more idle cuts, in order to allow in this way, in particular a portion-wise slicing with an orderly removal of each formed portions.
  • the interruption of the separation of slices from the product may occur several times during the slicing of a product, as with a portionwise slicing of the product the number of "slicing phases" corresponds to the number of slice portions formed from the product.
  • the idle cuts are carried out while the product feed is stopped.
  • the invention relates to the use of a device of the type described for cutting gap adjustment, wherein the gap between the cutting blade and a cutting edge is adjusted to a predetermined level by pivoting the cutting blade.
  • the cutting edge also referred to as counter knife, cooperates with the cutting knife 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 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, on the other hand, do not coincide.
  • this is unproblematic insofar as, for example, the plane defined by the cutting edge is used as the reference plane can be, if a reference in the axial direction, ie in the product feed direction, needed or desired.
  • the cutting gap adjustment can be performed with the cutting blade stationary.
  • it is also possible to carry out the cutting gap adjustment in the cutting plane moving cutting blade which is also referred to as “dynamic cutting gap adjustment” and offers advantages over a “static” cutting gap setting with stationary cutting blade advantages, which will also not be discussed here.
  • the invention further relates to a method for slicing food products, in particular by means of the device described, in which at least one product is fed to a cutting plane by means of a product feed, in which at least one cutting blade, in particular rotating and / or slicing, separates the product from the product circulating, moving, and the cutting blade is pivoted for performing blank cuts such that the distance between the cutting blade and a reference plane which is parallel to the cutting plane or coincides with the cutting plane changed, while the cutting blade remains aligned parallel to the cutting plane.
  • a cutting head 21 comprising a cutting blade 17 as a whole is pivotably mounted on a base 43 of the slicer not shown here completely.
  • the cutting blade 17 is a sickle or spiral blade, which can be driven by a rotary drive, not shown, for rotation about a rotation axis 18.
  • the pivotal mounting can also be provided for a circular blade head, the blade rotates and also rotates planetary.
  • the pivot axes 33 to 39 of the links 25, 27 on the base 43 and the cutting head 21 are in parallel, each perpendicular to a reference plane 19 extending plane.
  • the links 25, 27 also have the same length.
  • the orientation or position of the cutting blade 17 in the room thus does not change upon pivoting, as the comparison of Fig. 1a to 1c shows one another. In each pivot position, the cutting blade 17 is aligned parallel to the reference plane 19.
  • the links or link pairs 25, 27 may be of different lengths and / or the pivot axes 33 to 39 or articulation points lie in non-perpendicular to the reference plane 19 extending planes. In this case too, an alignment of the cutting blade 17 parallel to the reference plane 19 during pivoting can nevertheless be realized.
  • the length of the link or link pairs 25, 27 and / or the position of the pivot axes 33 to 39 may or may also be made adjustable in order to specifically specify different movements of the cutting blade 17 during pivoting in this way.
  • a pivoting movement of the cutting head 21 effecting pivot drive is in the Fig. 1a to 1c not shown.
  • the mentioned reference plane 19 is defined by the end of a product support 13 forming cutting edge 23 in terms of their axial position, ie their position with respect to the product feed F.
  • the reference plane 19 is perpendicular to the product feed.
  • the axis of rotation 18 of the cutting blade 17 is perpendicular to the product feed direction and thus parallel to the product feed F.
  • the axis of rotation 18 is aligned in each pivot position of the cutting blade 17 parallel to the product feed F.
  • the movement that the cutting head 21 performs during pivoting is a superposition of two pivoting movements or individual pivoting movements:
  • the cutting head 21 When the cutting head 21 is pivoted, it is pivoted about the pivot axis 33 relative to the base 43 by means of the front link pair 25.
  • the cutting head 21 On the other hand, the cutting head 21 is pivoted about the other pivot axis 35 of the front link pair 25.
  • the pivoting of the cutting head 21 about the pivot axis 35 is guided by the rear arm pair 27 such that the position of the rotation axis 18 and the cutting blade 17 in Room does not change. Consequently, the cutting blade 17 always remains parallel to the reference plane 19 and thus aligned with the cutting plane during pivoting.
  • the cutting head 21 is suspended pivotably on the base 43.
  • the "lowest" position of the cutting head 21 shows Fig. 1a in which the links 25, 27 extend parallel to the reference plane 19.
  • the cutting head 21 thus moves along the relevant branch of a U-shaped path, whereby the cutting head 21 and so that the cutting blade 17 also slightly raised, that is, parallel to the reference plane 19, is moved.
  • the pivoting of the cutting head 21 and the resulting axial offset of the cutting blade 17 can serve different purposes, in particular for performing blank cuts and for cutting gap adjustment.
  • Fig. 1a to 1c chosen such that Fig. 1a and 1b purely by way of example show two possible cutting gap settings.
  • Fig. 1a the gap between the cutting edge 23 and the cutting blade 17 is relatively large (and here actually disproportionately large), while in Fig. 1b the plane defined by the knife edge of the cutting blade 17 and the plane 19 defined by the cutting edge 23 coincide and thus a cutting gap of zero is set.
  • both with a zero set cutting gap according to Fig. 1b be cut, in particular in conjunction with a dynamic cutting gap setting, as well as a non-zero cutting gap between cutting edge 23 and cutting blade 17 during cutting available.
  • Fig. 1c illustrates a situation during the slicing of a product 15 in which idle cuts are being performed.
  • the product feed 11 acting on the rear product end which can be driven during the slicing in the product feed direction F in order to supply the product 15 to the cutting blade 17, is deactivated in this situation.
  • the cutting head 21 has been pivoted so far by means of a pivot drive, not shown, that a sufficiently large distance between the present at the cutting edge 23 front end of the product 57 on the one hand and the cutting blade 17 on the other hand, in this situation, the separation of chips from the product 15th by the continue to rotate about the axis 18 cutting blade 17 in this situation safely.
  • the cutting head 21 is pivoted back so that the cutting knife 17 returns to its original cutting position, for example according to the position Fig. 1a , the position according to Fig. 1b or an intermediate position.
  • the parallelogram 25, 27 does not engage directly on the cutting head 21, but on a carrier 55, which is connected to the cutting head 21.
  • the cutting head 21 is located between an upper portion of the carrier 55, which is connected to a base 43 of the slicer via the parallelogram link, and a lower portion, on which a pivot drive 45 engages, which is also supported on the base 43.
  • the pivot drive 45 is, for example, a piston / cylinder arrangement, which - as indicated by the double arrow in Fig. 2 indicated - is capable of acting on the carrier 55 along a line of action, which is parallel to the axis of rotation 18 of the cutting blade 17 and thus perpendicular to the cutting plane.
  • the pivot drive 45 is coupled to the carrier 55 such that, firstly, a movement of the carrier 55 in both directions is possible, the carrier 55 together with the cutting head 21 so both "pushed” and “pulled” can be, and on the other by the pivoting of the carrier 55 also taking place stroke can be taken perpendicular to the axis of rotation 18 (for example, by a slot guide), without requiring a corresponding stroke movement of the pivot drive 45 would be required.
  • the pivot drive 45 may be movably mounted in order to follow the movement of the cutting head 21 and thus avoid a game between pivot drive 45 and cutting head 21.
  • Fig. 3 shows a schematic view of another slicing device according to the invention along the axis of rotation 18 of the cutting blade, not shown here.
  • the cutting head 21 comprises a knife holder 53 to which the cutting blade can be interchangeably attached.
  • a rotary drive 47 not belonging to the cutting head 21 in this embodiment is capable of rotating the blade holder 53 about the axis 18 by means of a drive belt 49.
  • the cutting head 21, in this embodiment, but not the rotary drive 47, is pivotally suspended from a base 43, again via a parallelogram, of which only a pair of arms 25, 29 is shown, the handlebar about pivot axes 31, 33 at the base 43 and about pivot axes 35, 41 are hinged to the cutting head 21.
  • Both the pivotal movement of the cutting head 21 and the thereby adjusting stroke of the cutting head 21 perpendicular to the axis of rotation 18 can be easily absorbed by the drive belt 49, without affecting the rotational drive of the knife holder 53.
  • Fig. 4 shows in a schematic side view of a known from the prior art high-performance slicer, which serves to sliced food products 127, such as meat, sausage, ham or cheese, in slices.
  • the product 127 rests on a product support 137 and is moved by means of a product feed 113 along a product feed direction F1 in the direction of a cutting plane S1.
  • the product feed direction F1 is perpendicular to the cutting plane S 1.
  • Such slicers are known in which the angle between the product feed direction and cutting plane of 90 ° is different.
  • the product feeder 131 are in Fig.
  • the cutting plane S 1 is defined by the cutting edge of a cutting blade 111, which during the cutting operation cooperates with a cutting edge 131, also referred to as a counter blade, which forms the front end of the product support 137.
  • 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 111 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 111 may be a so-called sickle or spiral blade, which does not rotate planetary, but only rotates about the blade axis A1.
  • the drive for the cutting blade 111 is in Fig. 4 not shown.
  • an adjusting device which is designed to move the cutting knife 111.
  • the cutting blade parallel to it Rotation axis (knife axis) A1 to move.
  • the cutting blade 111 can be mounted displaceably parallel to the axis of rotation A 1.
  • the separated product slices 133 portions 135, which in Fig. 4 are shown as a disk stack.
  • this portion 135 is transported away in a direction T1. So that sufficient time is available for the removal of the finished slice portions 135, the above-mentioned empty cuts are carried out until the beginning of the formation of the next portion 135, for which on the one hand the product feed (also the product holder 125) referred to as product feed is stopped and on the other hand the cutting knife 111 by means of said adjusting in the in Fig. 4 dashed position shown is moved.
  • Fig. 5 schematically shows a slicer in a side view.
  • the product feeder 113 is shown in the position in which the product 127 is cut open.
  • the product feeder 113 can be pivoted into an at least approximately horizontal position.
  • the product feed 113 and thus the product feed direction F1 is inclined relative to the horizontal, namely by an angle ⁇ 1, which is for example about 40 °. Since, in this example, the product feed direction F1 and thus the plane defined by the product support 137 runs parallel to the knife axis A 1 (which, however, as already explained above) mentioned - is not mandatory), here the inclination angle ⁇ 1 between the horizontal H1 and the level of the product support 137 is located.
  • the product support 137 thus constitutes an inclined plane for the product 127.
  • the advancing movement of the product 127 is thereby aided by the gravitational attraction.
  • the front end product is not - as it would be the case with a horizontal product - vertically oriented, so that due to the inclination of the front product end, the filing of the separated product slices 133 - here on a removal conveyor 145 - improved or even a useful product storage is enabled.
  • FIG. 4 - While in slicers known from the prior art, the cutting blade 111 - as shown in FIG Fig. 4 - Is moved parallel to the knife axis A1, for example, to achieve a distance between the cutting blade 111 and the front product end to carry out blanking, is in the illustrated example of Fig. 4 a horizontal adjustment movement of the cutting blade 111 is provided, as indicated by the adjusting direction V 1 hinting, horizontally extending double arrow.
  • FIG Fig. 5 While the cutting position of the knife 111, in which the cutting plane S 1 and a reference plane defined by the cutting edge 131 coincide with solid lines, is shown in FIG Fig. 5 indicated with dashed lines the disengaged position of the blade 111. In this case, it is not the knife 111 or a knife holder alone that is adjusted, but rather the cutter head 119, which is only schematically indicated here, as a whole. The adjustment movement of the knife 111 or of the knife head 119 ultimately takes place relative to a stationary frame or frame 123 of the slicer.
  • Fig. 6 an overview of a possible slicer.
  • the knife head 119 is a sickle cutter head, ie the cutting knife 111 is a sickle knife, which performs a self-rotating movement about the knife axis A1 and does not additionally rotate planetary.
  • the in the Fig. 6 . 7 . 8th illustrated embodiments do not fall under the claims 1-12.
  • the knife 111 is replaceably mounted on a here designated as blade holder 117, which is also referred to as a blade holder, rotor or blade shaft.
  • blade holder 117 which is also referred to as a blade holder, rotor or blade shaft.
  • the possible designation as a knife shaft is also chosen because it is in the embodiment shown here in the knife holder 117 to that component of the cutter head 119, which is directly - namely with a drive belt 143 - offset by the rotary drive 139 of the slicer in rotation.
  • the knife head 119 which can be moved back and forth as a whole in the adjustment direction V1, furthermore comprises a base part 149 which does not rotate. Between the blade holder 117 and the base part 149 rolling bearings 121 are arranged.
  • the here approximately S- or Z-shaped having carrier 124 is fixedly connected to a wall 147 which is part of a cutting head housing 141, which with respect to the adjustment direction V1 on a stationary frame or frame 123 (see. Fig. 5 ) is attached.
  • An adjustability of the cutting head housing 141 as a whole in directions that lie in the cutting plane S 1, relative to the product support 137 are also possible.
  • a cover or hood which is connected to the cutting head housing 141 and at least partially surrounds the cutting blade during the cutting operation, is also provided in the Fig. 6 to 8 but not shown.
  • An adjusting device for the cutter head 119 which comprises a spindle drive with a spindle 151 and a spindle nut 153, is supported on the cutting head housing 141, wherein alternatively also a support of the spindle drive (or in general any adjusting drive for the cutting blade 111 or the Knife head 119) may be provided on the carrier 124.
  • An unillustrated drive motor is designed to turn the spindle nut 153 firmly connected in the adjustment direction V1 to the cutting head housing 141 on request about a rotation axis D 1 of the spindle drive.
  • the spindle 151 moves in Fig. 6 to the left or to the right.
  • the front, in Fig. 6 left end of the spindle 151 is fixedly connected to the base part 149 and thus the cutter head 119 with respect to the adjustment direction V1.
  • the activation of the spindle drive thus ensures - depending on the direction of rotation of the spindle nut 153 - for a movement of the cutting blade 111 from the front end of the product 127 or from the cutting edge 131 away or on the front product end or the cutting edge 131.
  • Fig. 7 the cutting position, in which the cutting plane S 1 defined by the knife 111 coincides with a reference plane defined by the cutting edge 131, is located in Fig. 8 the knife 111 in a disengaged position.
  • the distance 155 measured in the product feed direction F1 is 155 (FIG. Fig. 8 ) between the front end of the product and the plane defined by the knife edge smaller than the distance traveled by the cutter head 119 in the adjustment direction V 1 path, ie smaller than the resulting by the adjustment gap 157 between the fixed to the cutting head housing 141 (see. Fig. 6 ) and the base member 149.
  • 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 124, relative to which the adjusting movement takes place in the adjustment direction V1 can be in the form of a universal, coordinated interface or coupling device, so that a single cutting head housing 141 with adjusting device, e.g. with spindle drive 151, 153, both with a sickle cutter head and with a circular blade head can be coupled.
  • the same rotary drive for the different cutter heads can then be used.
  • drive belt 143 for the rotational drive of the knife holder 117 to the blade axis A1 may be provided to the deflection or elongation of the drive belt 143, the adjustment of the cutter head 119 and so that the directly from the drive belt 143 rotationally driven knife holder 117 occurs in the adjustment direction V1, at least partially compensate.
  • One measure for this may be to move the rotary drive motor of the rotary drive 139 in adjusted to the adjustment of the blade head 119 manner when adjusting the blade head 119 in such a way that at least to some extent the effects of the cutter head adjustment on the drive belt 143 are compensated ,
  • 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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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)

Claims (12)

  1. Dispositif pour la découpe de produits alimentaires, en particulier trancheuse à haute performance, comprenant
    une amenée de produits (11, 13), qui est réalisée pour amener au moins un produit (15) à un plan de coupe dans lequel se déplace au moins un couteau de coupe (17), en particulier en rotation et/ou en mouvement orbital, afin de séparer des tranches vis-à-vis du produit (15),
    dans lequel le couteau de coupe (17) est monté avec possibilité de pivotement,
    caractérisé en ce que
    pour l'exécution de coupes à vide, le couteau de coupe (17) est capable de pivoter de telle façon que la distance entre le couteau de coupe (17) et un plan de référence (19), qui est parallèle au plan de coupe ou qui coïncide avec le plan de coupe, est modifiée et que le couteau de coupe (17) reste alors orienté parallèlement au plan de coupe (17).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que le mouvement de pivotement du couteau de coupe (17) a lieu autour d'au moins deux axes et/ou est une superposition d'au moins deux mouvements de pivotement.
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce qu'il est prévu une tête de coupe (21) qui inclut le couteau de coupe (17) et qui est capable de pivoter dans son ensemble.
  4. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce que pour le pivotement du couteau de coupe (17) il est prévu au moins un guidage à parallélogramme, au moins un bras à parallélogramme et/ou au moins un levier à quatre articulations.
  5. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce que pour le pivotement du couteau de coupe (17) il est prévu au moins une paire de bras et/ou de leviers (25-29), qui sont respectivement articulés d'une part sur le couteau de coupe (17) et d'autre part sur une base (43).
  6. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce que le couteau de coupe (17) est suspendu en pivotement, en particulier à une base (43).
  7. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu un entraînement de pivotement (45) pour le couteau de coupe (17).
  8. Dispositif selon la revendication 7,
    caractérisé en ce que pour le pivotement du couteau de coupe (17) l'entraînement de pivotement (45) est réalisé pour solliciter le couteau de coupe (17) le long d'une ligne d'action qui s'étend au moins sensiblement perpendiculairement au plan de coupe.
  9. Utilisation d'un dispositif selon l'une des revendications 1 à 8 pour le réglage d'un intervalle de coupe,
    dans laquelle on règle l'intervalle entre le couteau de coupe (17) et une arête de coupe (23) à une dimension prédéterminée par pivotement du couteau de coupe (17).
  10. Utilisation selon la revendication 9,
    caractérisée en ce que le réglage de l'intervalle de coupe est exécuté alors que le couteau de coupe est à l'arrêt (17).
  11. Utilisation selon la revendication 9,
    caractérisée en ce que le réglage de l'intervalle de coupe est exécuté alors que le couteau de coupe (17) se déplace dans le plan de coupe.
  12. Procédé pour la découpe de produits alimentaires, en particulier au moyen d'un dispositif selon l'une des revendications 1 à 8, dans lequel au moyen d'une amenée de produits (11, 13) on amène au moins un produit (15) à un plan de coupe dans lequel se déplace au moins un couteau de coupe (17), en particulier en rotation et/ou en un mouvement orbital, pour séparer des tranches vis-à-vis du produit (15), caractérisé en ce que, pour l'exécution de coupes à vide, en fait pivoter le couteau de coupe de telle façon que la distance entre le couteau de coupe (17) et un plan de référence (19), qui est parallèle au plan de coupe ou qui coïncide avec le plan de coupe, est modifiée et que le couteau de coupe reste alors orienté parallèlement au plan de coupe.
EP10015143.0A 2009-12-02 2010-11-30 Dispositif de découpage de produits alimentaires Active EP2329931B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009056670A DE102009056670A1 (de) 2009-12-02 2009-12-02 Vorrichtung zum Aufschneiden von Lebensmittelprodukten
DE102010008047A DE102010008047A1 (de) 2010-02-16 2010-02-16 Vorrichtung zum Aufschneiden von Lebensmittelprodukten

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EP2329931A1 EP2329931A1 (fr) 2011-06-08
EP2329931B1 true EP2329931B1 (fr) 2015-09-23

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EP10015142.2A Not-in-force EP2329930B1 (fr) 2009-12-02 2010-11-30 Dispositif de découpage de produits alimentaires
EP10015143.0A Active EP2329931B1 (fr) 2009-12-02 2010-11-30 Dispositif de découpage de produits alimentaires

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Also Published As

Publication number Publication date
US20110126679A1 (en) 2011-06-02
US20110126680A1 (en) 2011-06-02
ES2556634T3 (es) 2016-01-19
EP2329930A1 (fr) 2011-06-08
EP2329931A1 (fr) 2011-06-08
EP2329930B1 (fr) 2015-10-14

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