EP2848380A1 - Device for cutting food products and method for providing separator leaves - Google Patents

Device for cutting food products and method for providing separator leaves Download PDF

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Publication number
EP2848380A1
EP2848380A1 EP20140178970 EP14178970A EP2848380A1 EP 2848380 A1 EP2848380 A1 EP 2848380A1 EP 20140178970 EP20140178970 EP 20140178970 EP 14178970 A EP14178970 A EP 14178970A EP 2848380 A1 EP2848380 A1 EP 2848380A1
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EP
European Patent Office
Prior art keywords
angular position
track
cutting blade
cutting
conveying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20140178970
Other languages
German (de)
French (fr)
Other versions
EP2848380B1 (en
Inventor
Jonas Dreier
Hans Christian Weiß
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
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Filing date
Publication date
Application filed by Weber Maschinenbau GmbH Breidenbach filed Critical Weber Maschinenbau GmbH Breidenbach
Publication of EP2848380A1 publication Critical patent/EP2848380A1/en
Application granted granted Critical
Publication of EP2848380B1 publication Critical patent/EP2848380B1/en
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
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B26D7/325—Means for performing other operations combined with cutting for conveying or stacking cut product stacking the cut product individually separated by separator elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/08—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products between layers or strips of sheet or web material, e.g. in webs folded to zig-zag form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • 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
    • 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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4139—Supporting means for several rolls
    • B65H2301/41398—Supporting means for several rolls juxtaposed
    • 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
    • Y10T83/0524—Plural cutting steps
    • Y10T83/0538—Repetitive transverse severing from leading edge of work
    • 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
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/4453—Work moved solely by movable abutment
    • 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
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6656—Rectilinear movement only
    • Y10T83/6657—Tool opposing pusher

Definitions

  • the present invention relates to a device for multi-lane slicing of food products, in particular high-performance slicers, and a method for multi-lane provision of intermediate sheets, in particular on such a slicing apparatus.
  • slicers Devices for slicing food products, also referred to as slicers or high performance slicers, are known. Together with packaging machines, such slicers can form efficient production lines with which packages of portions of food slices can be produced fully automatically. Also, the portioned slicing of food products in a multi-lane operation is basically known. In this case, products are fed in a plurality of juxtaposed tracks of a cutting plane and cut by a moving in the cutting plane cutting blade at high speed.
  • a slicing device with an intermediate sheet feeder is from EP 1 940 685 B1 and also from the DE 10 2011 106 459 A1 known.
  • the object of the present invention is to provide an improved device for slicing food products and an efficient method for providing intermediate sheets.
  • the object is achieved by a slicing device with the features of claim 1 or by a method for multi-track provision of intermediate sheets having the features of claim 11.
  • the device according to the invention for slicing food products comprises a product feed, by means of which in a plurality of parallel juxtaposed tracks products of a cutting plane are fed, in which at least one cutting blade, in particular rotating and / or rotating, moves, and an intermediate sheet feeder, which has a conveyor for each track, by means of the respective track a front end portion of an intermediate sheet of material through the cutting plane is conveyed through in the respective track the front end portion as an intermediate sheet between separated product layers, in particular between individual slices and / or between provide portions formed by multiple slices, wherein the inter-sheet feeder is operable in a track-specific manner and each conveying device is designed such that it carries out the conveying operation of the respective front end region of the respective intermediate sheet material web through the cutting plane in a track-specific manner as a function of an angular position of the cutting blade in its orbit.
  • a driven circular knife together with its knife head is planetary in a circular orbit about a central axis.
  • each conveyor in the respective track can provide an intermediate sheet between severed product layers as needed and independently of the other tracks, depending on the angular position of the cutting blade. Due to the track-individual dependence of the conveying process for the front end portion of the angular position of the cutting blade can also be utilized in a circulation of the cutting blade available for the respective conveying process track-specific time window in an improved manner. In particular, the starting time for the respective conveying process can be adapted to the respective track-specific available time window. Therefore, the intermediate sheets can be reliably provided even at high cutting speeds with correspondingly short time windows for the conveying operation of the intermediate sheets.
  • product layer generally comprises one or more separated product slices, ie an intermediate sheet can be provided between two successive product slices or between successive slices, each comprising a plurality of product slices.
  • different product layers, between which intermediate sheets are to be provided can be provided in the tracks, ie an intermediate sheet can be provided, for example, in one track between successive individual disks and in another track in each case between disk portions.
  • the cutting knife may be e.g. be a planetary circular blade or act around a blade axis rotating sickle blade.
  • each conveying device is designed to start and / or stop the respective conveying process in a track-specific manner as a function of the angular position of the cutting blade.
  • the time window available during a rotation of the cutting blade for the respective conveying process can be utilized in an improved manner or optimally.
  • the starting time of the respective conveying process can be brought forward temporally and correlated with the time of opening of the time window.
  • the respective conveying process is started as soon as the cutting blade reaches the angular position during its orbit at which the time window available for the provision of the intermediate sheet in the respective track opens.
  • each conveyor is designed to start the respective conveying process track-individual, as soon as the angular position of the cutting blade corresponds to a predefined or predetermined for the respective conveyor angular position value.
  • the angular position value may be, for example, the respective angular position value at which the respective track-individually available time window for the inter sheet feed opens.
  • the cutting blade blocks over a respective track-specific angular position range the conveying path of the respective end section or the corresponding cross-sectional area lying in the cutting plane, through which the respective front end section is conveyed, since the cutting blade traverses the conveying path during its revolution over the respective angular position range and thereby separates a front end portion provided during a preceding conveying operation from the material web. Therefore, it may be advantageous if, in at least one conveying device, the angular position value at which the respective conveying process is started corresponds at least approximately to the angular position at which the cutting blade in the respective track releases the cross-sectional area through which the respective front end section passes through the cutting plane is encouraged.
  • the time window available for the respective conveying process can thus be optimally utilized since the conveying process is started as soon as the conveying path for the end section is released by the cutting blade.
  • the angular position value may correspond at least approximately to the angular position of the cutting blade at which the cutting blade has completely cut off a slice of the product.
  • the respective conveying process can thus be started as soon as the angular position of the cutting blade reaches the angular position value defined above.
  • the angular position value may correspond at least approximately to the angular position at which the knife body of the cutting blade completely exits the respective product.
  • the respective conveying process for the intermediate sheet to be provided can thus be started as soon as the cutting blade has released the conveying path of the respective product. This ensures that the conveying path for the intermediate sheet is also released.
  • Another angular position value is predetermined or specifiable.
  • the conveying operation for providing the intermediate sheet is thus started at a different angular position value in each track.
  • the respective track-specific angular position value may depend on the cutting blade.
  • the respective angular position value may be dependent on the type of the cutting blade, in particular whether it is a circular blade or a sickle blade.
  • the respective angular position value can also depend on the diameter of the cutting blade, since the diameter has an effect on the time window available during the rotation of the cutting blade for the conveying operation of the intermediate sheet.
  • the respective angular position value may depend on a cutting knife head, over which the cutting knife is arranged on the slicing device.
  • the respective angular position value may depend on the type of cutting blade head.
  • the respective angular position value and / or a correction value for the angular position value may depend on the blade speed and / or the cutting speed.
  • the respective angular position value may depend on the particular product, in particular its shape, height and / or width. This may in particular be the case when the respective conveying process for providing the respective intermediate sheet is started on a track-specific basis as soon as the angular position of the cutting blade reaches the angular position value at which the cutting blade emerges from the product provided in the respective track.
  • the respective angular position value can be dependent on the arrangement of the cutting blade, in particular on the arrangement of an axis of rotation of the cutting blade, relative to the tracks and / or the products, in particular the product cross-sectional geometry.
  • the respective angular position value can also be dependent on the arrangement of a cutter head, via which the cutting knife is arranged on the slicing device, relative to the tracks and / or the products, in particular the product cross-sectional geometry.
  • each conveyor is designed to stop the respective conveying process track individual as soon as the angular position of the cutting blade corresponds to a predetermined or predetermined for the respective conveyor further angular position value.
  • the respective conveying process can also be adjusted automatically as a function of the rotational speed of the cutting blade, in particular via a correction value.
  • a correction value in particular, in a control for the conveyors of the speed of the cutting blade dependent correction values for the respective angular position values to change the angular position values depending on the current speed of the cutting blade.
  • each conveying device is designed to carry out the respective conveying process for a particular track-specific, predetermined or predefinable time duration.
  • the duration may be selected such that the provided front end portion has a desired length.
  • the conveyors are operable independently of the product feed. Any kind of forced coupling between product feed and intermediate sheet conveying is therefore not mandatory. It is therefore possible to feed and cut a product in one or more tracks without providing interleaf sheets in the respective track or tracks.
  • Each conveyor can be designed so that the intermediate sheet is unwound from its own endless web of intermediate sheet material, preferably of paper or plastic.
  • the invention also relates to a method for multi-lane provision of intermediate sheets, in particular on a device according to the invention, in which food products are cut into a plurality of parallel juxtaposed tracks of at least one cutting blade moving in a cutting plane, and in each lane in FIG Dependent on the angular position of the cutting blade and independently of the other tracks, a leading end portion of an interleaf material web is conveyed through the cutting plane to provide the leading end portion of the interleaf material web as an interleaf between severed product plies, especially between individual wafers and / or portions formed by multiple wafers ,
  • the slicing device 1 shown has a product feeder 5, by means of which in several parallel adjacent tracks - here three tracks S1, S2, S3 (see also Fig. 2a - 2c ) - each one supported on a product support 9 product 3 along a conveying direction F promoted and a cutting plane S can be fed.
  • Each track S1, S2, S3 is associated with a product gripper 11 of the product feeder 5, the engages in the rear end of the respective product 3 and for conveying the respective product 3 along the conveying direction F is movable.
  • a cutting blade 7 has a cutting edge 35 located in the cutting plane S.
  • the rotating cutting blade 7 separates with its cutting edge 35 discs 13 from the respective front end of the products 3, which fall on a product tray 15.
  • the cutting blade 7 is a so-called circular or orbital knife.
  • the cutting blade 7 has a central opening for a blade receptacle 31, via which it is fastened to a rocker 33 arranged on a cutter head.
  • the cutting blade 7 is driven such that it rotates about a knife axis D. Furthermore, the rocker 33 is rotated about a central axis M in the cutting operation. The cutting blade 7 thus performs, in addition to the self-rotation about the blade axis D, a circulating movement U about the central axis M. Thereby, a relative movement between the cutting blade 7 and the products 3 is generated, which is required for the separation of the discs 13.
  • the orbital motion U can be assigned an angular position ⁇ in order to specify the position of the cutting blade 7 with respect to the orbital motion U.
  • the angular position ⁇ can thereby be specified relative to the axis A1 lying in the cutting plane S and perpendicular to the product support 9.
  • the angle position ⁇ could equally well be compared with any other axis lying in the cutting plane S, e.g. with respect to the horizontal axis A2, are given.
  • the Fig. 2a - 2c show different angular position positions of the cutting blade 7 relative to the three products 3.
  • Fig. 2a starts according to Fig. 2a at an angular position ⁇ of about 90 degrees the cutting process.
  • the cutting edge 35 of the cutting blade 7 penetrates into the left product 3, which lies in the track S1.
  • the continuously or intermittently supplied products 3 were each moved beyond the cutting plane 17 with their front end and protrude beyond the cutting plane S by a measure corresponding to the respective desired slice thickness.
  • the cutting process, as well as Fig. 2b shows - at this angular position ⁇ the blade 35 leaves the lying in the track S3 product 3 and at this time, ie at this angular position ⁇ , was separated from all three products 3 a disc.
  • the respective track-specific cutting operation for the product 3 provided in the track S1 begins and ends earlier, ie at smaller angular positions ⁇ , than for the products 3 located in the tracks S2 and S3. Accordingly, the track-specific cutting operation for the tool begins and ends Product 3 provided in lane S2 earlier than the track-specific cutting operation for product 3 in lane S3.
  • the slicing apparatus 1 has an intermediate sheet feeder 17 which associates a conveyor 19 with each of the lanes S1 to S3 to peel each intermediate sheet material web 21 by a plurality of rollers 23 from an intermediate sheet material web roll 25 in the respective lane S 1 to S3 and a leading end portion 27 of the interleaf material web 21 below the respective product 3 to be conveyed through the cutting plane S.
  • the front end portion 27 can be provided in the respective track S1 to S3 as also separated by the cutting blade 7 intermediate sheet between individual slices 13 and / or formed between several slices 13 portions.
  • the total portion 29 thus formed on the product tray 15 from discs 13 and intermediate sheets 27 can then be conveyed further in the conveying direction F and fed, for example, to a downstream packaging machine (not shown) in order to package the total portion 29.
  • the intermediate sheet feed 17 can be operated in a track-specific manner so that each conveying device 19 can, if required, convey the respective front end region 27 independently of the other conveying devices 19 and can provide it as an intermediate sheet between separated disks 13.
  • each conveyor 19 is designed such that it performs the conveying operation of the respective front end portion 27 by the cutting plane S track individually as a function of the angular position ⁇ of the cutting blade 7.
  • the provision of the intermediate sheets in each track S1 to S3 can thus be adapted to the respective track-specific cutting operation.
  • the point in time at which the respective conveying process of a front end section 27 is started can be set or specified on a track-specific basis as a function of the angular position .phi.
  • a controller not shown for the conveying devices.
  • Each conveying device 19 can thus start the respective conveying process track-individually as soon as the angular position ⁇ of the cutting blade 7 corresponds to an angular position value predetermined for the respective conveying device 19.
  • the angular position value in each track may correspond to that angular position ⁇ at which the cutting blade 7 is just emerging from the product 3 lying in the respective track.
  • Fig. 2c This case is shown for the product 3 in the track S3, since at the illustrated angular position ⁇ of about 270 degrees, the knife body of Cutting knife 7 has just completely withdrawn from the product 3 in the track S3.
  • the angular position value in each track can correspond to that angular position ⁇ at which the cutting blade 7 releases the cross-sectional area lying in the cutting plane S, through which the respective front end section 27 is conveyed.
  • the conveying process for the respective front end section 27 is started individually for each track at the angular position ⁇ at which the cutting blade 7 no longer blocks the respective conveying path of the respective front end section 27 during its circulating movement U.
  • the in Fig. 2b shown angular position position can thus begin the conveyor S1 associated conveyor 19 with the conveying operation for providing the next intermediate sheet.
  • the angular position value in each track may correspond to that angular position ⁇ at which the cutting blade 7 has completely cut off a disc 13 just from the product 3 lying in the respective track.
  • this case is shown for the product 3 in the lane S3.
  • the respective track-individual angular position value could also be specified differently than in the variants described.
  • at least two of the variants described could also be used in parallel.
  • the conveying device 19 assigned to the track S1 could start the conveying process for the front end section 27 as soon as the cutting blade 7 reaches the angular position ⁇ , at which it releases the conveying path for the end section 27 for the track S1.
  • the conveyors 19 associated with the two other tracks could start the conveying process in a track-specific manner as soon as the cutting blade 7 reaches the respective angular position ⁇ at which the cutting blade 7 has completely cut off a disk.
  • the respective conveying process may be e.g. track individually for a predetermined period of time to be performed.
  • the front end portion 27 is conveyed by the respective conveyor 19 at a substantially constant speed.
  • the respective conveying process can also be carried out on a track-specific basis until the cutting blade 7 reaches a respective further angular position value lying behind the angular position value for starting.
  • the respective angular position value may depend on the diameter of the cutting blade 7.
  • the angular position value may depend on the type of cutting blade, that is, in particular on whether a circular blade or a sickle blade is used. Another parameter on which the respective angular position value can depend is the blade speed or the cutting speed.
  • the respective angular position value or a correction value for the angular position value can depend on the respective product 3, in particular its shape, height and / or width. This is the case in particular in the case in which the track-individual angular position value for the start of the conveying process corresponds to the angular position ⁇ at which the cutting blade 7 completely exits the product 3 lying in the respective track, since in this variant the product dimensions are based on the respective angular position value.
  • the respective angular position value can also be dependent on the arrangement of the cutting blade 7 relative to the tracks S1, S2 and S3.
  • the center axis M could be adjustable along the axes A1 and A2, so that the orientation of the orbit of the cutting blade 7 relative to the tracks S 1 to S3 can be changed.
  • the orbit of the cutting blade 7 can be aligned with regard to an optimal cutting process. The orbit can be adjusted so that the front end portions 27 are each separated from the side of the cutting blade 7, whereby a clean cut is favored.
  • an adjustment of the center axis M along the axis A1 and / or along the axis A2 also causes a change in the track-individual angular position values, which serve as a criterion for the start or stop of the respective conveying process can be used to provide the interleaf sheets.
  • a circular blade is used.
  • it can also be a so-called sickle or spiral blades are used, which does not rotate planetary, but only rotates about the blade axis D.
  • An exemplary sickle knife is in the WO 2009/027080 A1 described.
  • a sickle knife In the case of a sickle knife, it is the shape of the knife that produces the relative movement required between the cutting edge of the knife and the products to separate slices.
  • a sickle blade according to the invention considered for the respective conveying operation of the respective end portion 27 angular position ⁇ related to the orbital movement of the sickle blade to the blade axis D. Otherwise, the above statements made with reference to a circular blade apply accordingly.

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  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

Eine Vorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere ein Hochleistungsslicer, umfasst eine Produktzuführung, mittels der in mehreren parallel nebeneinander verlaufenden Spuren Produkte einer Schneidebene zuführbar sind, in der sich wenigstens ein Schneidmesser, insbesondere rotierend und/oder umlaufend, bewegt, und eine Zwischenblattzuführung, welche für jede Spur eine Fördereinrichtung aufweist, mittels der in der jeweiligen Spur ein vorderer Endbereich einer Zwischenblattmaterialbahn durch die Schneidebene hindurchförderbar ist, um in der jeweiligen Spur den vorderen Endbereich als Zwischenblatt zwischen abgetrennten Produktlagen, insbesondere zwischen einzelnen Scheiben und/oder zwischen von mehreren Scheiben gebildeten Portionen, bereitzustellen, wobei die Zwischenblattzuführung spurindividuell betreibbar und jede Fördereinrichtung derart ausgebildet ist, dass sie den Fördervorgang des jeweiligen vorderen Endbereichs der jeweiligen Zwischenblattmaterialbahn durch die Schneidebene spurindividuell in Abhängigkeit von einer Winkelposition des Schneidmessers auf seiner Umlaufbahn durchführt.A device for slicing food products, in particular a high-performance slicer, comprises a product feed, by means of which products of a cutting plane can be supplied in a plurality of parallel tracks, in which at least one cutting blade, in particular rotating and / or rotating, moves, and an intermediate sheet feed for each track has a conveyor, by means of which in the respective track a front end portion of a Zwischenblattmaterialbahn is conveyed through the cutting plane, in the respective track the front end portion as an intermediate sheet between separated product layers, in particular between individual slices and / or formed between several discs Portions to provide, wherein the intermediate sheet feeder operable track individually and each conveyor is designed such that it the conveying operation of the respective front end portion of the respective Zwischenblattmateria lbahn through the cutting plane track individually performs depending on an angular position of the cutting blade on its orbit.

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum mehrspurigen Aufschneiden von Lebensmittelprodukten, insbesondere Hochleistungsslicer, und ein Verfahren zum mehrspurigen Bereitstellen von Zwischenblättern, insbesondere an einer derartigen Aufschneidevorrichtung.The present invention relates to a device for multi-lane slicing of food products, in particular high-performance slicers, and a method for multi-lane provision of intermediate sheets, in particular on such a slicing apparatus.

Vorrichtungen zum Aufschneiden von Lebensmittelprodukten, die auch als Aufschneidemaschinen oder als Hochleistungsslicer bezeichnet werden, sind bekannt. Zusammen mit Verpackungsmaschinen können derartige Slicer effiziente Produktionslinien bilden, mit denen Packungen mit Portionen aus Lebensmittelscheiben vollautomatisch produziert werden können. Auch das portionierte Aufschneiden von Lebensmittelprodukten in einem Mehrspurbetrieb ist grundsätzlich bekannt. Dabei werden Produkte in mehreren nebeneinanderliegenden Spuren einer Schneidebene zugeführt und von einem sich in der Schneidebene bewegenden Schneidmesser mit hoher Geschwindigkeit aufgeschnitten.Devices for slicing food products, also referred to as slicers or high performance slicers, are known. Together with packaging machines, such slicers can form efficient production lines with which packages of portions of food slices can be produced fully automatically. Also, the portioned slicing of food products in a multi-lane operation is basically known. In this case, products are fed in a plurality of juxtaposed tracks of a cutting plane and cut by a moving in the cutting plane cutting blade at high speed.

Es ist auch bekannt, in einer Aufschneidevorrichtung eine Zwischenblattzuführung vorzusehen, die auch als Interleaver bezeichnet wird. Durch die Zwischenblattzuführung erfolgt die Bereitstellung eines Zwischenblatts zwischen abgetrennten Produktscheiben.It is also known to provide in a slicing device an intermediate sheet feed, which is also referred to as an interleaver. By the Zwischenblattzuführung the provision of an intermediate sheet between separated product slices takes place.

Eine Aufschneidevorrichtung mit einer Zwischenblattzuführung ist aus der EP 1 940 685 B1 und auch aus der DE 10 2011 106 459 A1 bekannt. Der vorliegenden Erfindung liegt die Aufgabe zu Grunde, eine verbesserte Vorrichtung zum Aufschneiden von Lebensmittelprodukten sowie ein effizientes Verfahren zum Bereitstellen von Zwischenblättern bereitzustellen.A slicing device with an intermediate sheet feeder is from EP 1 940 685 B1 and also from the DE 10 2011 106 459 A1 known. The object of the present invention is to provide an improved device for slicing food products and an efficient method for providing intermediate sheets.

Die Aufgabe wird durch eine Aufschneidevorrichtung mit den Merkmalen des Anspruchs 1 bzw. durch ein Verfahren zum mehrspurigen Bereitstellen von Zwischenblättern mit den Merkmalen des Anspruchs 11 gelöst.The object is achieved by a slicing device with the features of claim 1 or by a method for multi-track provision of intermediate sheets having the features of claim 11.

Die erfindungsgemäße Vorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere ein Hochleistungsslicer, umfasst
eine Produktzuführung, mittels der in mehreren parallel nebeneinander verlaufenden Spuren Produkte einer Schneidebene zuführbar sind, in der sich wenigstens ein Schneidmesser, insbesondere rotierend und/oder umlaufend, bewegt, und
eine Zwischenblattzuführung, welche für jede Spur eine Fördereinrichtung aufweist, mittels der in der jeweiligen Spur ein vorderer Endbereich einer Zwischenblattmaterialbahn durch die Schneidebene hindurchförderbar ist, um in der jeweiligen Spur den vorderen Endbereich als Zwischenblatt zwischen abgetrennten Produktlagen, insbesondere zwischen einzelnen Scheiben und/oder zwischen von mehreren Scheiben gebildeten Portionen, bereitzustellen,
wobei die Zwischenblattzuführung spurindividuell betreibbar und jede Fördereinrichtung derart ausgebildet ist, dass sie den Fördervorgang des jeweiligen vorderen Endbereichs der jeweiligen Zwischenblattmaterialbahn durch die Schneidebene spurindividuell in Abhängigkeit von einer Winkelposition des Schneidmessers auf seiner Umlaufbahn durchführt.The device according to the invention for slicing food products, in particular a high-performance slicer, comprises
a product feed, by means of which in a plurality of parallel juxtaposed tracks products of a cutting plane are fed, in which at least one cutting blade, in particular rotating and / or rotating, moves, and
an intermediate sheet feeder, which has a conveyor for each track, by means of the respective track a front end portion of an intermediate sheet of material through the cutting plane is conveyed through in the respective track the front end portion as an intermediate sheet between separated product layers, in particular between individual slices and / or between provide portions formed by multiple slices,
wherein the inter-sheet feeder is operable in a track-specific manner and each conveying device is designed such that it carries out the conveying operation of the respective front end region of the respective intermediate sheet material web through the cutting plane in a track-specific manner as a function of an angular position of the cutting blade in its orbit.

Insbesondere erfolgt bei einem Sichelmesser die Rotation um eine Antriebsachse. Dagegen läuft ein angetriebenes Kreismesser mitsamt seinem Messerkopf planetarisch auf einer Kreisbahn um eine zentrale Achse.In particular, in a sickle knife, the rotation about a drive axis. In contrast, a driven circular knife together with its knife head is planetary in a circular orbit about a central axis.

Bei einem Hochleistungsslicer sind Schneidgeschwindigkeiten von zwischen 600 und einigen Tausend Schnitten pro Minute möglich. Aufeinanderfolgende Scheiben werden somit in jeder Spur in einem sehr geringen zeitlichen Abstand von dem Produkt abgetrennt. In der geringen Zeitspanne, die zwischen zwei aufeinanderfolgenden Schnitten zur Verfügung steht, muss nicht nur das jeweilige Produkt mittels der entsprechenden Produktzuführeinrichtung nachgeführt werden, sondern es muss gegebenenfalls auch ein Zwischenblatt bereitgestellt werden. Das Zwischenblatt sollte daher in einer relativ kurzen Zeitspanne gefördert werden können.With a high performance slicer, cutting speeds of between 600 and several thousand cuts per minute are possible. Successive discs are thus separated from the product in each lane at a very short time interval. In the small amount of time that is available between two successive cuts, not only must the respective product be tracked by means of the corresponding product feed device, but it may also be necessary to provide an intermediate sheet. The intermediate sheet should therefore be able to be conveyed in a relatively short period of time.

Bei der erfindungsgemäßen Aufschneidevorrichtung kann jede Fördereinrichtung in der jeweiligen Spur je nach Bedarf und unabhängig von den anderen Spuren in Abhängigkeit von der Winkelposition des Schneidmessers ein Zwischenblatt zwischen abgetrennten Produktlagen bereitstellen. Aufgrund der spurindividuellen Abhängigkeit des Fördervorgangs für den vorderen Endabschnitt von der Winkelposition des Schneidmessers kann außerdem ein während eines Umlaufs des Schneidmessers für den jeweiligen Fördervorgang zur Verfügung stehendes spurspezifisches Zeitfenster in verbesserter Weise ausgenutzt werden. Insbesondere kann der Startzeitpunkt für den jeweiligen Fördervorgang an das jeweilige spurspezifisch verfügbare Zeitfenster angepasst werden. Daher können die Zwischenblätter auch bei hohen Schneidgeschwindigkeiten mit entsprechend kurzen Zeitfenstern für den Fördervorgang der Zwischenblätter zuverlässig bereitgestellt werden.In the slicing device according to the invention, each conveyor in the respective track can provide an intermediate sheet between severed product layers as needed and independently of the other tracks, depending on the angular position of the cutting blade. Due to the track-individual dependence of the conveying process for the front end portion of the angular position of the cutting blade can also be utilized in a circulation of the cutting blade available for the respective conveying process track-specific time window in an improved manner. In particular, the starting time for the respective conveying process can be adapted to the respective track-specific available time window. Therefore, the intermediate sheets can be reliably provided even at high cutting speeds with correspondingly short time windows for the conveying operation of the intermediate sheets.

Der Begriff "Produktlage" umfasst allgemein eine oder mehrere abgetrennte Produktscheiben, d.h. ein Zwischenblatt kann zwischen zwei aufeinander folgenden Produktscheiben oder zwischen aufeinander folgenden, jeweils mehrere Produktscheiben umfassenden Portionen bereitgestellt werden. Dabei können in den Spuren unterschiedliche Produktlagen, zwischen denen Zwischenblätter bereitgestellt werden sollen, vorgesehen werden, d.h. ein Zwischenblatt kann z.B. in einer Spur jeweils zwischen aufeinander folgenden einzelnen Scheiben und in einer anderen Spur jeweils zwischen Scheibenportionen bereitgestellt werden.The term "product layer" generally comprises one or more separated product slices, ie an intermediate sheet can be provided between two successive product slices or between successive slices, each comprising a plurality of product slices. In this case, different product layers, between which intermediate sheets are to be provided, can be provided in the tracks, ie an intermediate sheet can be provided, for example, in one track between successive individual disks and in another track in each case between disk portions.

Bei dem Schneidmesser kann es sich z.B. um ein planetarisch umlaufendes Kreismesser oder um ein lediglich um eine Messerachse rotierendes Sichelmesser handeln.The cutting knife may be e.g. be a planetary circular blade or act around a blade axis rotating sickle blade.

Bevorzugt ist jede Fördereinrichtung dazu ausgebildet, den jeweiligen Fördervorgang spurindividuell in Abhängigkeit von der Winkelposition des Schneidmessers zu starten und/oder zu stoppen. Dadurch kann das während eines Umlaufs des Schneidmessers für den jeweiligen Fördervorgang verfügbare Zeitfenster in verbesserte Weise bzw. optimal ausgenutzt werden. Insbesondere kann der Startzeitpunkt des jeweiligen Fördervorgangs zeitlich gesehen vorverlegt und mit dem Zeitpunkt der Öffnung des Zeitfensters korreliert werden. Mit anderen Worten gesagt ist es prinzipiell möglich, dass der jeweilige Fördervorgang gestartet wird, sobald das Schneidmesser während seines Umlaufs diejenige Winkelposition erreicht, bei der sich das in der jeweiligen Spur verfügbare Zeitfenster für die Bereitstellung des Zwischenblatts gerade öffnet.Preferably, each conveying device is designed to start and / or stop the respective conveying process in a track-specific manner as a function of the angular position of the cutting blade. As a result, the time window available during a rotation of the cutting blade for the respective conveying process can be utilized in an improved manner or optimally. In particular, the starting time of the respective conveying process can be brought forward temporally and correlated with the time of opening of the time window. In other words, it is in principle possible that the respective conveying process is started as soon as the cutting blade reaches the angular position during its orbit at which the time window available for the provision of the intermediate sheet in the respective track opens.

Bei einer bevorzugten Ausgestaltung der Erfindung ist jede Fördereinrichtung dazu ausgebildet, den jeweiligen Fördervorgang spurindividuell zu starten, sobald die Winkelposition des Schneidmessers einem für die jeweilige Fördereinrichtung vorgegebenen oder vorgebbaren Winkelpositionswert entspricht. Bei dem Winkelpositionswert kann es sich zum Beispiel um den jeweiligen Winkelpositionswert handeln, bei dem sich das jeweilige spurindividuell verfügbare Zeitfenster für den Zwischenblattvorschub öffnet.In a preferred embodiment of the invention, each conveyor is designed to start the respective conveying process track-individual, as soon as the angular position of the cutting blade corresponds to a predefined or predetermined for the respective conveyor angular position value. The angular position value may be, for example, the respective angular position value at which the respective track-individually available time window for the inter sheet feed opens.

Während seines Umlaufs blockiert das Schneidmesser über einen jeweiligen spurspezifischen Winkelpositionsbereich die Förderstrecke des jeweiligen Endabschnitts bzw. den entsprechenden in der Schneidebene liegenden Querschnittsbereich, durch den der jeweilige vordere Endabschnitt hindurchgefördert wird, da das Schneidmesser während seines Umlaufs über den jeweiligen Winkelpositionsbereich die Förderstrecke durchquert und dabei einen während eines vorhergehenden Fördervorgangs bereitgestellten vorderen Endabschnitt von der Materialbahn abtrennt. Daher kann es vorteilhaft sein, wenn bei wenigstens einer Fördereinrichtung der Winkelpositionswert, bei dem der jeweilige Fördervorgang gestartet wird, zumindest annähernd der Winkelposition entspricht, bei dem das Schneidmesser in der jeweiligen Spur den Querschnittsbereich freigibt, durch den der jeweilige vordere Endabschnitt durch die Schneidebene hindurch gefördert wird. Das für den jeweiligen Fördervorgang zur Verfügung stehende Zeitfenster kann somit optimal ausgenutzt werden, da der Fördervorgang gestartet wird, sobald die Förderstrecke für den Endabschnitt vom Schneidmesser freibegeben wird.During its revolution, the cutting blade blocks over a respective track-specific angular position range the conveying path of the respective end section or the corresponding cross-sectional area lying in the cutting plane, through which the respective front end section is conveyed, since the cutting blade traverses the conveying path during its revolution over the respective angular position range and thereby separates a front end portion provided during a preceding conveying operation from the material web. Therefore, it may be advantageous if, in at least one conveying device, the angular position value at which the respective conveying process is started corresponds at least approximately to the angular position at which the cutting blade in the respective track releases the cross-sectional area through which the respective front end section passes through the cutting plane is encouraged. The time window available for the respective conveying process can thus be optimally utilized since the conveying process is started as soon as the conveying path for the end section is released by the cutting blade.

Bei wenigstens einer Fördereinrichtung kann der Winkelpositionswert zumindest annähernd der Winkelposition des Schneidmessers entsprechen, bei dem das Schneidmesser eine Scheibe des Produkts vollständig abgeschnitten hat. Der jeweilige Fördervorgang kann somit gestartet werden, sobald die Winkelposition des Schneidmessers den vorstehend definierten Winkelpositionswert erreicht.In at least one conveyor, the angular position value may correspond at least approximately to the angular position of the cutting blade at which the cutting blade has completely cut off a slice of the product. The respective conveying process can thus be started as soon as the angular position of the cutting blade reaches the angular position value defined above.

Bevorzugt kann der Winkelpositionswert zumindest annähernd der Winkelposition entsprechen, bei der der Messerkörper des Schneidmessers vollständig aus dem jeweiligen Produkt austritt. Der jeweilige Fördervorgang für das bereitzustellende Zwischenblatt kann somit gestartet werden, sobald das Schneidmesser den Förderweg des jeweiligen Produkts freigegeben hat. Damit ist sichergestellt, dass auch die Förderstrecke für das Zwischenblatt freigegeben ist.Preferably, the angular position value may correspond at least approximately to the angular position at which the knife body of the cutting blade completely exits the respective product. The respective conveying process for the intermediate sheet to be provided can thus be started as soon as the cutting blade has released the conveying path of the respective product. This ensures that the conveying path for the intermediate sheet is also released.

Für jede Fördereinrichtung ist insbesondere ein anderer Winkelpositionswert vorgegeben oder vorgebbar. Der Fördervorgang zur Bereitstellung des Zwischenblatts wird in jeder Spur somit bei einem anderen Winkelpositionswert gestartet.For each conveyor, in particular, another angular position value is predetermined or specifiable. The conveying operation for providing the intermediate sheet is thus started at a different angular position value in each track.

Der jeweilige spurspezifische Winkelpositionswert kann vom Schneidmesser abhängen. Insbesondere kann der jeweilige Winkelpositionswert vom Typ des Schneidmessers abhängig sein, insbesondere davon, ob es sich um ein Kreismesser oder ein Sichelmesser handelt.The respective track-specific angular position value may depend on the cutting blade. In particular, the respective angular position value may be dependent on the type of the cutting blade, in particular whether it is a circular blade or a sickle blade.

Der jeweilige Winkelpositionswert kann auch vom Durchmesser des Schneidmessers abhängen, da sich der Durchmesser auf das während des Umlaufs des Schneidmessers zur Verfügung stehende Zeitfenster für den Fördervorgang des Zwischenblatts auswirkt.The respective angular position value can also depend on the diameter of the cutting blade, since the diameter has an effect on the time window available during the rotation of the cutting blade for the conveying operation of the intermediate sheet.

Der jeweilige Winkelpositionswert kann von einem Schneidmesserkopf abhängen, über den das Schneidmesser an der Aufschneidevorrichtung angeordnet ist. Insbesondere kann der jeweilige Winkelpositionswert vom Typ des Schneidmesserkopfes abhängen.The respective angular position value may depend on a cutting knife head, over which the cutting knife is arranged on the slicing device. In particular, the respective angular position value may depend on the type of cutting blade head.

Der jeweilige Winkelpositionswert und/oder ein Korrekturwert für den Winkelpositionswert kann von der Messerdrehzahl und/oder von der Schnittgeschwindigkeit abhängen.The respective angular position value and / or a correction value for the angular position value may depend on the blade speed and / or the cutting speed.

Der jeweilige Winkelpositionswert kann vom jeweiligen Produkt, insbesondere dessen Form, Höhe und/oder Breite, abhängen. Das kann insbesondere dann der Fall sein, wenn der jeweilige Fördervorgang zur Bereitstellung des jeweiligen Zwischenblatts spurindividuell gestartet wird, sobald die Winkelposition des Schneidmessers den Winkelpositionswert erreicht, bei dem das Schneidmesser aus dem in der jeweiligen Spur bereitgestellten Produkt austritt.The respective angular position value may depend on the particular product, in particular its shape, height and / or width. This may in particular be the case when the respective conveying process for providing the respective intermediate sheet is started on a track-specific basis as soon as the angular position of the cutting blade reaches the angular position value at which the cutting blade emerges from the product provided in the respective track.

Der jeweilige Winkelpositionswert kann von der Anordnung des Schneidmessers, insbesondere von der Anordnung einer Drehachse des Schneidmessers, relativ zu den Spuren und/oder den Produkten, insbesondere der Produktquerschnittsgeometrie, abhängig sein. Der jeweilige Winkelpositionswert kann auch von der Anordnung eines Messerkopfes, über den das Schneidmesser an der Aufschneidevorrichtung angeordnet ist, relativ zu den Spuren und/oder den Produkten, insbesondere der Produktquerschnittsgeometrie, abhängig sein.The respective angular position value can be dependent on the arrangement of the cutting blade, in particular on the arrangement of an axis of rotation of the cutting blade, relative to the tracks and / or the products, in particular the product cross-sectional geometry. The respective angular position value can also be dependent on the arrangement of a cutter head, via which the cutting knife is arranged on the slicing device, relative to the tracks and / or the products, in particular the product cross-sectional geometry.

Nach einer bevorzugten Weiterbildung der Erfindung ist jede Fördereinrichtung dazu ausgebildet, den jeweiligen Fördervorgang spurindividuell zu stoppen, sobald die Winkelposition des Schneidmessers einem für die jeweilige Fördereinrichtung vorgegebenen oder vorgebbaren weiteren Winkelpositionswert entspricht. Dadurch kann bei geeignet gewähltem weiteren Winkelpositionswert beispielweise verhindert werden, dass der jeweilige Fördervorgang zeitlich gesehen länger dauert als das jeweilige für den Fördervorgang verfügbare Zeitfenster.According to a preferred embodiment of the invention, each conveyor is designed to stop the respective conveying process track individual as soon as the angular position of the cutting blade corresponds to a predetermined or predetermined for the respective conveyor further angular position value. As a result, with a suitably selected further angular position value, it can be prevented, for example, that the respective conveying process takes longer in terms of time than the respective time window available for the conveying process.

Der jeweilige Fördervorgang kann auch in Abhängigkeit von der Drehzahl des Schneidmessers, insbesondere über einen Korrekturwert, automatisch angepasst werden. Insbesondere können in einer Steuerung für die Fördereinrichtungen von der Drehzahl des Schneidmessers abhängige Korrekturwerte für die jeweiligen Winkelpositionswerte vorgegeben sein, um die Winkelpositionswerte je nach aktueller Drehzahl des Schneidmessers zu ändern. Dadurch können von der Drehzahl des Schneidmessers abhängige Wirkungen auf die abgetrennten Scheiben bzw. Zwischenblätter, wie zum Beispiel Auswirkungen auf den Fallweg, und Schwerkrafteinflüsse bei den Fördervorgängen zur Bereitstellung der Zwischenblätter spurindividuell berücksichtigt werden.The respective conveying process can also be adjusted automatically as a function of the rotational speed of the cutting blade, in particular via a correction value. In particular, in a control for the conveyors of the speed of the cutting blade dependent correction values for the respective angular position values to change the angular position values depending on the current speed of the cutting blade. Thereby, effects depending on the rotational speed of the cutting blade on the cut-off slices, such as effects on the falling path, and gravitational influences in the conveying operations for providing the interleaf sheets can be taken into account on a track-by-track basis.

Bevorzugt ist jede Fördereinrichtung dazu ausgebildet, den jeweiligen Fördervorgang für eine, insbesondere spurindividuell, vorgegebene oder vorgebbare Zeitdauer durchzuführen. Die Zeitdauer kann zum Beispiel derart gewählt sein, dass der bereitgestellte vordere Endabschnitt eine gewünschte Länge aufweist.Preferably, each conveying device is designed to carry out the respective conveying process for a particular track-specific, predetermined or predefinable time duration. For example, the duration may be selected such that the provided front end portion has a desired length.

Bevorzugt sind die Fördereinrichtungen unabhängig von der Produktzuführung betreibbar. Eine wie auch immer geartete Zwangskoppelung zwischen Produktzufuhr und Zwischenblattförderung ist somit nicht zwingend. Es ist daher möglich, in einer oder mehreren Spuren ein Produkt zuzuführen und aufzuschneiden, ohne dass Zwischenblätter in der betreffenden Spur bzw. in den betreffenden Spuren bereitgestellt werden.Preferably, the conveyors are operable independently of the product feed. Any kind of forced coupling between product feed and intermediate sheet conveying is therefore not mandatory. It is therefore possible to feed and cut a product in one or more tracks without providing interleaf sheets in the respective track or tracks.

Jede Fördereinrichtung kann so ausgestaltet sein, dass das Zwischenblatt von einer eigenen Endlosbahn aus Zwischenblattmaterial, vorzugsweise aus Papier oder Kunststoff, abgewickelt wird.Each conveyor can be designed so that the intermediate sheet is unwound from its own endless web of intermediate sheet material, preferably of paper or plastic.

Die Erfindung betrifft auch ein Verfahren zum mehrspurigen Bereitstellen von Zwischenblättern, insbesondere an einer erfindungsgemäßen Vorrichtung, bei dem Lebensmittelprodukte in mehreren parallel nebeneinander verlaufenden Spuren von wenigstens einem sich in einer Schneidebene bewegenden Schneidmesser aufgeschnitten werden, und in jeder Spur in Abhängigkeit von der Winkelposition des Schneidmessers und unabhängig von den anderen Spuren ein vorderer Endbereich einer Zwischenblattmaterialbahn durch die Schneidebene hindurchgefördert wird, um den vorderen Endbereich der Zwischenblattmaterialbahn als Zwischenblatt zwischen abgetrennten Produktlagen, insbesondere zwischen einzelnen Scheiben und/oder zwischen von mehreren Scheiben gebildeten Portionen, bereitzustellen.The invention also relates to a method for multi-lane provision of intermediate sheets, in particular on a device according to the invention, in which food products are cut into a plurality of parallel juxtaposed tracks of at least one cutting blade moving in a cutting plane, and in each lane in FIG Dependent on the angular position of the cutting blade and independently of the other tracks, a leading end portion of an interleaf material web is conveyed through the cutting plane to provide the leading end portion of the interleaf material web as an interleaf between severed product plies, especially between individual wafers and / or portions formed by multiple wafers ,

Weitere mögliche Ausführungsbeispiele der Erfindung sind in den abhängigen Ansprüchen, der Beschreibung sowie der Zeichnung angegeben.Further possible embodiments of the invention are indicated in the dependent claims, the description and the drawings.

Die Erfindung wird im Folgenden beispielhaft unter Bezugnahme auf die beiliegenden Figuren beschrieben. Es zeigen, jeweils schematisch,

Fig. 1
eine seitliche Querschnittsansicht einer erfindungsgemäßen Vorrichtung zum mehrspurigen Aufschneiden von Lebensmittelprodukten, und
Fig. 2a - 2c
Frontansichten auf eine Schneidebene der Vorrichtung von Fig. 1, in denen unterschiedliche Winkelpositionsstellungen eines in der Schneidebene umlaufenden Schneidmessers dargestellt sind.
The invention will now be described by way of example with reference to the accompanying drawings. Show, in each case schematically,
Fig. 1
a side cross-sectional view of an inventive device for multi-lane slicing of food products, and
Fig. 2a - 2c
Front views of a cutting plane of the device of Fig. 1 in which different angular position positions of a rotating in the cutting plane cutting blade are shown.

Die gezeigte Aufschneidevorrichtung 1 weist eine Produktzuführung 5 auf, mittels der in mehreren parallel nebeneinanderliegenden Spuren - hier drei Spuren S1, S2, S3 (vgl. auch Fig. 2a - 2c) - jeweils ein auf einer Produktauflage 9 aufliegendes Produkt 3 längs einer Förderrichtung F gefördert und einer Schneidebene S zugeführt werden kann. Jeder Spur S1, S2, S3 ist ein Produktgreifer 11 der Produktzuführung 5 zugeordnet, der in das hintere Ende des jeweiligen Produkts 3 eingreift und zum Fördern des jeweiligen Produkts 3 längs der Förderrichtung F verfahrbar ist.The slicing device 1 shown has a product feeder 5, by means of which in several parallel adjacent tracks - here three tracks S1, S2, S3 (see also Fig. 2a - 2c ) - each one supported on a product support 9 product 3 along a conveying direction F promoted and a cutting plane S can be fed. Each track S1, S2, S3 is associated with a product gripper 11 of the product feeder 5, the engages in the rear end of the respective product 3 and for conveying the respective product 3 along the conveying direction F is movable.

Ein Schneidmesser 7 weist eine in der Schneidebene S liegende Schneide 35 auf. Das umlaufende Schneidmesser 7 trennt mit seiner Schneide 35 Scheiben 13 vom jeweiligen vorderen Ende der Produkte 3 ab, die auf eine Produktablage 15 fallen. Bei dem Schneidmesser 7 handelt es sich um ein sogenanntes Kreis- oder Orbitalmesser. Das Schneidmesser 7 weist eine zentrale Öffnung für eine Messeraufnahme 31 auf, über die es an einer an einem Messerkopf angeordneten Schwinge 33 befestigt ist.A cutting blade 7 has a cutting edge 35 located in the cutting plane S. The rotating cutting blade 7 separates with its cutting edge 35 discs 13 from the respective front end of the products 3, which fall on a product tray 15. The cutting blade 7 is a so-called circular or orbital knife. The cutting blade 7 has a central opening for a blade receptacle 31, via which it is fastened to a rocker 33 arranged on a cutter head.

Im Schneidebetrieb wird das Schneidmesser 7 derart angetrieben, dass es um eine Messerachse D rotiert. Ferner wird im Schneidebetrieb die Schwinge 33 um eine Mittelachse M rotiert. Das Schneidmesser 7 führt somit zusätzlich zu der Eigenrotation um die Messerachse D eine Umlaufbewegung U um die Mittelachse M aus. Dadurch wird eine Relativbewegung zwischen Schneidmesser 7 und den Produkten 3 erzeugt, die für das Abtrennen der Scheiben 13 erforderlich ist.In cutting operation, the cutting blade 7 is driven such that it rotates about a knife axis D. Furthermore, the rocker 33 is rotated about a central axis M in the cutting operation. The cutting blade 7 thus performs, in addition to the self-rotation about the blade axis D, a circulating movement U about the central axis M. Thereby, a relative movement between the cutting blade 7 and the products 3 is generated, which is required for the separation of the discs 13.

Der Umlaufbewegung U kann eine Winkelposition Φ zugeordnet werden, um die Stellung des Schneidmessers 7 bezogen auf die Umlaufbewegung U zu spezifizieren. Die Winkelposition Φ kann dabei relativ zu der in der Schneidebene S liegenden und senkrecht zur Produktauflage 9 verlaufenden Achse A1 angegeben werden. Genauso gut könnte die Winkelposition Φ aber auch bzgl. jeder anderen in der Schneidebene S liegenden Achse, z.B. bzgl. der horizontal verlaufenden Achse A2, angegeben werden.The orbital motion U can be assigned an angular position Φ in order to specify the position of the cutting blade 7 with respect to the orbital motion U. The angular position Φ can thereby be specified relative to the axis A1 lying in the cutting plane S and perpendicular to the product support 9. However, the angle position Φ could equally well be compared with any other axis lying in the cutting plane S, e.g. with respect to the horizontal axis A2, are given.

Die Fig. 2a - 2c zeigen unterschiedliche Winkelpositionsstellungen des Schneidmessers 7 relativ zu den drei Produkten 3. Bei dem beschriebenen Beispiel beginnt gemäß Fig. 2a bei einer Winkelposition Φ von ca. 90 Grad der Schneidvorgang. Die Schneide 35 des Schneidmessers 7 dringt dabei in das linke Produkt 3 ein, das in der Spur S1 liegt. Zuvor wurden die kontinuierlich oder intermittierend zugeführten Produkte 3 jeweils mit ihrem vorderen Ende über die Schneidebene 17 hinausbewegt und stehen um ein der jeweils gewünschten Scheibendicke entsprechendes Maß über die Schneidebene S hinaus vor. Bei dem beschriebenen Beispiel endet nach einer Winkelposition Φ von etwas mehr als 180 Grad der Schneidvorgang, da - wie Fig. 2b zeigt - bei dieser Winkelposition Φ die Schneide 35 das in der Spur S3 liegende Produkt 3 verlässt und zu diesem Zeitpunkt, d.h. bei dieser Winkelposition Φ, von allen drei Produkten 3 eine Scheibe abgetrennt wurde.The Fig. 2a - 2c show different angular position positions of the cutting blade 7 relative to the three products 3. In the example described starts according to Fig. 2a at an angular position Φ of about 90 degrees the cutting process. The cutting edge 35 of the cutting blade 7 penetrates into the left product 3, which lies in the track S1. Previously, the continuously or intermittently supplied products 3 were each moved beyond the cutting plane 17 with their front end and protrude beyond the cutting plane S by a measure corresponding to the respective desired slice thickness. In the example described ends after an angular position Φ of slightly more than 180 degrees, the cutting process, as well as Fig. 2b shows - at this angular position Φ the blade 35 leaves the lying in the track S3 product 3 and at this time, ie at this angular position Φ, was separated from all three products 3 a disc.

Wie aus den Fig. 2a - 2c außerdem ersichtlich ist, beginnt und endet der jeweilige spurspezifische Schneidvorgang für das in der Spur S1 bereitgestellte Produkt 3 früher, also bei kleineren Winkelpositionen Φ, als für die in den Spuren S2 und S3 liegenden Produkte 3. Entsprechend beginnt und endet der spurspezifische Schneidvorgang für das in der Spur S2 bereitgestellte Produkt 3 früher als der spurspezifische Schneidvorgang für das in der Spur S3 liegende Produkt 3.Like from the Fig. 2a - 2c In addition, the respective track-specific cutting operation for the product 3 provided in the track S1 begins and ends earlier, ie at smaller angular positions Φ, than for the products 3 located in the tracks S2 and S3. Accordingly, the track-specific cutting operation for the tool begins and ends Product 3 provided in lane S2 earlier than the track-specific cutting operation for product 3 in lane S3.

Die Aufschneidevorrichtung 1 weist eine Zwischenblattzuführung 17 auf, die jeder Spur S1 bis S3 jeweils eine Fördereinrichtung 19 zuordnet, um in der jeweiligen Spur S 1 bis S3 eine jeweilige Zwischenblattmaterialbahn 21 mittels mehrerer Walzen 23 von einer Zwischenblattmaterialbahnrolle 25 abzuziehen und einen vorderen Endbereich 27 der Zwischenblattmaterialbahn 21 unterhalb des jeweiligen Produkts 3 durch die Schneidebene S hindurch zu fördern. Dabei kann der vordere Endbereich 27 in der jeweiligen Spur S1 bis S3 als ebenfalls durch das Schneidmesser 7 abgetrenntes Zwischenblatt zwischen einzelnen Scheiben 13 und/oder zwischen von mehreren Scheiben 13 gebildeten Portionen bereitgestellt werden. Die so auf der Produktablage 15 aus Scheiben 13 und Zwischenblättern 27 gebildete Gesamtportion 29 kann dann weiter in Förderrichtung F gefördert und zum Beispiel einer nachgeordneten Verpackungsmaschine (nicht gezeigt) zugeführt werden, um die Gesamtportion 29 zu verpacken.The slicing apparatus 1 has an intermediate sheet feeder 17 which associates a conveyor 19 with each of the lanes S1 to S3 to peel each intermediate sheet material web 21 by a plurality of rollers 23 from an intermediate sheet material web roll 25 in the respective lane S 1 to S3 and a leading end portion 27 of the interleaf material web 21 below the respective product 3 to be conveyed through the cutting plane S. In this case, the front end portion 27 can be provided in the respective track S1 to S3 as also separated by the cutting blade 7 intermediate sheet between individual slices 13 and / or formed between several slices 13 portions. The total portion 29 thus formed on the product tray 15 from discs 13 and intermediate sheets 27 can then be conveyed further in the conveying direction F and fed, for example, to a downstream packaging machine (not shown) in order to package the total portion 29.

Die Zwischenblattzuführung 17 ist spurindividuell betreibbar, so dass jede Fördereinrichtung 19 bei Bedarf den jeweiligen vorderen Endbereich 27 unabhängig von den anderen Fördereinrichtungen 19 fördern und als Zwischenblatt zwischen abgetrennten Scheiben 13 bereitstellen kann. Dabei ist jede Fördereinrichtung 19 derart ausgebildet, dass sie den Fördervorgang des jeweiligen vorderen Endbereichs 27 durch die Schneidebene S spurindividuell in Abhängigkeit von der Winkelposition Φ des Schneidmessers 7 durchführt. Bei der Aufschneidevorrichtung 1 kann somit die Bereitstellung der Zwischenblätter in jeder Spur S1 bis S3 an den jeweiligen spurspezifischen Schneidvorgang angepasst werden.The intermediate sheet feed 17 can be operated in a track-specific manner so that each conveying device 19 can, if required, convey the respective front end region 27 independently of the other conveying devices 19 and can provide it as an intermediate sheet between separated disks 13. In this case, each conveyor 19 is designed such that it performs the conveying operation of the respective front end portion 27 by the cutting plane S track individually as a function of the angular position Φ of the cutting blade 7. In the slicing device 1, the provision of the intermediate sheets in each track S1 to S3 can thus be adapted to the respective track-specific cutting operation.

Dabei kann an einer nicht dargestellten Steuerung für die Fördereinrichtungen insbesondere der Zeitpunkt, an dem der jeweilige Fördervorgang eines vorderen Endabschnitts 27 gestartet wird, spurindividuell in Abhängigkeit von der Winkelposition Φ des Schneidmessers 7 eingestellt bzw. vorgegeben werden. Jede Fördereinrichtung 19 kann somit den jeweiligen Fördervorgang spurindividuell starten, sobald die Winkelposition Φ des Schneidmessers 7 einem für die jeweilige Fördereinrichtung 19 vorgegebenen Winkelpositionswert entspricht.In particular, the point in time at which the respective conveying process of a front end section 27 is started can be set or specified on a track-specific basis as a function of the angular position .phi. Of the cutting blade 7 on a controller (not shown) for the conveying devices. Each conveying device 19 can thus start the respective conveying process track-individually as soon as the angular position Φ of the cutting blade 7 corresponds to an angular position value predetermined for the respective conveying device 19.

Gemäß einer Variante kann der Winkelpositionswert in jeder Spur derjenigen Winkelposition Φ entsprechen, bei der das Schneidmesser 7 gerade aus dem in der jeweiligen Spur liegenden Produkt 3 austritt. In Fig. 2c ist dieser Fall für das Produkt 3 in der Spur S3 dargestellt, da bei der dargestellten Winkelposition Φ von etwa 270 Grad der Messerkörper des Schneidmessers 7 gerade wieder vollständig aus dem Produkt 3 in der Spur S3 ausgetreten ist. Somit beginnt nach dieser Variante die der Spur S3 zugeordnete Fördereinrichtung 19 mit dem Fördervorgang des vorderen Endabschnitts 27, sobald das Schneidmesser 7 die in Fig. 2c gezeigte Winkelpositionsstellung von Φ = 270 Grad erreicht hat.According to a variant, the angular position value in each track may correspond to that angular position Φ at which the cutting blade 7 is just emerging from the product 3 lying in the respective track. In Fig. 2c This case is shown for the product 3 in the track S3, since at the illustrated angular position Φ of about 270 degrees, the knife body of Cutting knife 7 has just completely withdrawn from the product 3 in the track S3. Thus, according to this variant, the conveyor S3 assigned to the conveyor 19 begins with the conveying operation of the front end portion 27, as soon as the cutting blade 7, the in Fig. 2c shown angle position of Φ = 270 degrees has reached.

Dagegen beginnen die den Spuren S1 und S2 zugeordneten Fördereinrichtung 19 bereits bei einer jeweiligen spurspezifischen kleineren Winkelposition mit dem jeweiligen Fördervorgang, da - wie Fig. 2c zeigt - das Schneidmesser 7 bei kleineren Winkelpositionen bereits aus den in diesen Spuren liegenden Produkten 3 vollständig ausgetreten ist.By contrast, the conveyors 19 assigned to the tracks S1 and S2 already start at a respective track-specific, smaller angular position with the respective conveying process, since-like Fig. 2c shows - the cutting blade 7 at smaller angular positions has already leaked out of lying in these tracks 3 products completely.

Nach einer anderen Variante kann der Winkelpositionswert in jeder Spur derjenigen Winkelposition Φ entsprechen, bei der das Schneidmesser 7 den in der Schneidebene S liegenden Querschnittsbereich freigibt, durch den der jeweilige vordere Endabschnitt 27 hindurch gefördert wird. Mit anderen Worten gesagt: Der Fördervorgang für den jeweiligen vorderen Endabschnitt 27 wird spurindividuell bei derjenigen Winkelposition Φ gestartet, bei der das Schneidmesser 7 während seiner Umlaufbewegung U die jeweilige Förderstrecke des jeweiligen vorderen Endabschnitts 27 gerade nicht mehr blockiert.According to another variant, the angular position value in each track can correspond to that angular position Φ at which the cutting blade 7 releases the cross-sectional area lying in the cutting plane S, through which the respective front end section 27 is conveyed. In other words, the conveying process for the respective front end section 27 is started individually for each track at the angular position Φ at which the cutting blade 7 no longer blocks the respective conveying path of the respective front end section 27 during its circulating movement U.

Beispielsweise gibt das Schneidmesser 7 bei der in Fig. 2b gezeigten Winkelposition des Schneidmessers 7 gerade die Förderstrecke für den vorderen Endabschnitt 27 der Spur S1 frei. Bei der in Fig. 2b dargestellten Winkelpositionsstellung kann somit die der Spur S1 zugeordnete Fördereinrichtung 19 mit dem Fördervorgang zur Bereitstellung des nächsten Zwischenblatts beginnen.For example, the cutting blade 7 at the in Fig. 2b shown angular position of the cutting blade 7 just the conveying distance for the front end portion 27 of the track S1 free. At the in Fig. 2b shown angular position position can thus begin the conveyor S1 associated conveyor 19 with the conveying operation for providing the next intermediate sheet.

Demgegenüber versperrt das Schneidmesser 7 gemäß Fig. 2b noch die Förderstrecke für den vorderen Endabschnitt 27 der Spur S2, so dass bei der in Fig. 2b gezeigten Winkelpositionsstellung der Fördervorgang für das nächste in der Spur S2 bereitzustellende Zwischenblatt noch nicht gestartet werden kann.In contrast, the cutting blade 7 locked according to Fig. 2b nor the conveyor line for the front end portion 27 of the track S2, so that in the in Fig. 2b shown angular position position of the conveying process for the next to be provided in the track S2 intermediate sheet can not be started.

Außerdem wird bei der Winkelpositionsstellung gemäß Fig. 2b ein bereitgestellter vorderer Endabschnitt 27 in der Spur S3 gerade vom Schneidmesser 7 durchtrennt. Dabei blockiert das Schneidmesser 7 die Förderstrecke für den vorderen Endabschnitt 27, so dass der Fördervorgang für das nächste in der Spur S3 bereitzustellende Zwischenblatt ebenfalls noch nicht gestartet werden kann.In addition, in the angular position position according to Fig. 2b a provided front end portion 27 in the track S3 just cut by the cutting blade 7. In this case, the cutting blade 7 blocks the conveying path for the front end portion 27, so that the conveying operation for the next to be provided in the track S3 intermediate sheet also can not be started.

Gemäß noch einer anderen Variante kann der Winkelpositionswert in jeder Spur derjenigen Winkelposition Φ entsprechen, bei der das Schneidmesser 7 gerade von dem in der jeweiligen Spur liegenden Produkt 3 eine Scheibe 13 vollständig abgeschnitten hat. In Fig. 2b ist dieser Fall für das Produkt 3 in der Spur S3 dargestellt. Somit beginnt nach dieser Variante die der Spur S3 zugeordnete Fördereinrichtung 19 mit dem Fördervorgang des vorderen Endabschnitts 27, sobald das Schneidmesser 7 die in Fig. 2b gezeigte Winkelpositionsstellung von etwas mehr als Φ = 180 Grad erreicht hat.According to yet another variant, the angular position value in each track may correspond to that angular position φ at which the cutting blade 7 has completely cut off a disc 13 just from the product 3 lying in the respective track. In Fig. 2b this case is shown for the product 3 in the lane S3. Thus, according to this variant, the conveyor S3 assigned to the conveyor 19 begins with the conveying operation of the front end portion 27, as soon as the cutting blade 7, the in Fig. 2b angular position achieved by slightly more than Φ = 180 degrees.

Dagegen beginnen die den Spuren S1 und S2 zugeordneten Fördereinrichtungen 19 bereits bei einer jeweiligen spurspezifischen kleineren Winkelposition mit dem Fördervorgang, da - wie Fig. 2b zeigt - bereits bei kleineren Winkelpositionen in den Spuren S1 und S2 eine Scheibe 13 vollständig vom jeweiligen Produkt 3 abgetrennt wird.By contrast, the conveyors 19 assigned to the tracks S 1 and S 2 start already at a respective track-specific smaller angular position with the conveying process, there-as Fig. 2b shows - even at smaller angular positions in the tracks S1 and S2, a disc 13 is completely separated from the respective product 3.

Der jeweilige spurindividuelle Winkelpositionswert könnte auch anders als wie bei den beschriebenen Varianten spezifiziert werden. Außerdem könnten zumindest zwei der beschriebenen Varianten auch parallel zum Einsatz kommen. Beispielsweise könnte die der Spur S1 zugeordnete Fördereinrichtung 19 den Fördervorgang für den vorderen Endabschnitt 27 starten, sobald das Schneidmesser 7 die Winkelposition Φ erreicht, bei der es für die Spur S1 die Förderstrecke für den Endabschnitt 27 freigibt. Die den beiden anderen Spuren zugeordneten Fördereinrichtungen 19 könnten dagegen den Fördervorgang spurindividuell starten, sobald das Schneidmesser 7 die jeweilige Winkelposition Φ erreicht, bei der das Schneidmesser 7 eine Scheibe vollständig abgeschnitten hat.The respective track-individual angular position value could also be specified differently than in the variants described. In addition, at least two of the variants described could also be used in parallel. For example, the conveying device 19 assigned to the track S1 could start the conveying process for the front end section 27 as soon as the cutting blade 7 reaches the angular position Φ, at which it releases the conveying path for the end section 27 for the track S1. By contrast, the conveyors 19 associated with the two other tracks could start the conveying process in a track-specific manner as soon as the cutting blade 7 reaches the respective angular position Φ at which the cutting blade 7 has completely cut off a disk.

Der jeweilige Fördervorgang kann z.B. spurindividuell für eine vorgegebene Zeitdauer durchgeführt werden. Dabei wird der vordere Endabschnitt 27 von der jeweiligen Fördereinrichtung 19 mit einer im Wesentlichen konstanten Geschwindigkeit gefördert. Durch geeignete Wahl der Zeitdauer für den Fördervorgang kann somit ein Zwischenblatt mit einer gewünschten Länge bereitgestellt werden.The respective conveying process may be e.g. track individually for a predetermined period of time to be performed. In this case, the front end portion 27 is conveyed by the respective conveyor 19 at a substantially constant speed. By suitable choice of the time duration for the conveying process, an intermediate sheet with a desired length can thus be provided.

Der jeweilige Fördervorgang kann auch spurindividuell solange durchgeführt werden, bis das Schneidmesser 7 einen jeweiligen hinter dem Winkelpositionswert für den Start liegenden weiteren Winkelpositionswert erreicht.The respective conveying process can also be carried out on a track-specific basis until the cutting blade 7 reaches a respective further angular position value lying behind the angular position value for starting.

Wie mit Blick auf die Fig. 2a - 2c ersichtlich ist, kann der spurspezifische jeweilige Winkelpositionswert des Schneidmessers 7, ab dem in der jeweiligen Spur während des Umlaufs des Schneidmessers 7 mit dem Fördervorgang zur Bereitstellung des Zwischenblatts begonnen wird, vom Schneidmesser 7 abhängen. Insbesondere kann der jeweilige Winkelpositionswert vom Durchmesser des Schneidmessers 7 abhängen. Außerdem kann der Winkelpositionswert vom Schneidmessertyp abhängen, also insbesondere davon, ob ein Kreismesser oder ein Sichelmesser eingesetzt wird. Ein weiterer Parameter, von dem der jeweilige Winkelpositionswert abhängen kann, ist die Messerdrehzahl bzw. die Schnittgeschwindigkeit.How to look at that Fig. 2a - 2c can be seen, the track-specific respective angular position value of the cutting blade 7, from which on the respective track during the rotation of the cutting blade 7 is started with the conveying operation for providing the intermediate sheet, the cutting blade 7. In particular, the respective angular position value may depend on the diameter of the cutting blade 7. In addition, the angular position value may depend on the type of cutting blade, that is, in particular on whether a circular blade or a sickle blade is used. Another parameter on which the respective angular position value can depend is the blade speed or the cutting speed.

Der jeweilige Winkelpositionswert bzw. ein Korrekturwert für den Winkelpositionswert kann vom jeweiligen Produkt 3, insbesondere dessen Form, Höhe und/oder Breite abhängen. Dies ist insbesondere bei der Variante der Fall, bei welcher der spurindividuelle Winkelpositionswert für den Start des Fördervorgangs der Winkelposition Φ entspricht, bei dem das Schneidmesser 7 aus dem in der jeweiligen Spur liegenden Produkt 3 vollständig austritt, da sich bei dieser Variante die Produktabmessungen auf den jeweiligen Winkelpositionswert auswirken.The respective angular position value or a correction value for the angular position value can depend on the respective product 3, in particular its shape, height and / or width. This is the case in particular in the case in which the track-individual angular position value for the start of the conveying process corresponds to the angular position Φ at which the cutting blade 7 completely exits the product 3 lying in the respective track, since in this variant the product dimensions are based on the respective angular position value.

Der jeweilige Winkelpositionswert kann auch von der Anordnung des Schneidmessers 7 relativ zu den Spuren S1, S2 und S3 abhängig sein. Beispielsweise könnte die Mittelachse M längs der Achsen A1 und A2 verstellbar sein, so dass die Ausrichtung der Umlaufbahn des Schneidmessers 7 relativ zu den Spuren S 1 bis S3 verändert werden kann. Insbesondere kann die Umlaufbahn des Schneidmessers 7 im Hinblick auf einen optimalen Schneidvorgang ausgerichtet werden. Die Umlaufbahn kann dabei so eingestellt werden, dass die vorderen Endbereiche 27 jeweils von der Seite her vom Schneidmesser 7 abgetrennt werden, wodurch ein sauberer Schnitt begünstigt wird. Dabei ist es ersichtlich, dass eine Verstellung der Mittelachse M längs der Achse A1 und/oder längs der Achse A2 auch eine Veränderung der spurindividuellen Winkelpositionswerte bewirkt, die als Kriterium für den Start bzw. den Stopp des jeweiligen Fördervorgangs zur Bereitstellung der Zwischenblätter herangezogen werden können.The respective angular position value can also be dependent on the arrangement of the cutting blade 7 relative to the tracks S1, S2 and S3. For example, the center axis M could be adjustable along the axes A1 and A2, so that the orientation of the orbit of the cutting blade 7 relative to the tracks S 1 to S3 can be changed. In particular, the orbit of the cutting blade 7 can be aligned with regard to an optimal cutting process. The orbit can be adjusted so that the front end portions 27 are each separated from the side of the cutting blade 7, whereby a clean cut is favored. It can be seen that an adjustment of the center axis M along the axis A1 and / or along the axis A2 also causes a change in the track-individual angular position values, which serve as a criterion for the start or stop of the respective conveying process can be used to provide the interleaf sheets.

Bei dem dargestellten Ausführungsbeispiel kommt als Schneidmesser 7 ein Kreismesser zum Einsatz. Es kann jedoch auch ein sogenanntes Sichel- oder Spiralmesser eingesetzt werden, das nicht planetarisch umläuft, sondern lediglich um die Messerachse D rotiert. Ein beispielhaftes Sichelmesser ist in der WO 2009/027080 A1 beschrieben.In the illustrated embodiment comes as a cutting blade 7, a circular blade is used. However, it can also be a so-called sickle or spiral blades are used, which does not rotate planetary, but only rotates about the blade axis D. An exemplary sickle knife is in the WO 2009/027080 A1 described.

Bei einem Sichelmesser ist es die Form des Messers, die die für das Abtrennen von Scheiben erforderliche Relativbewegung zwischen der Schneide des Messers und den Produkten erzeugt. Bei Verwendung eines Sichelmessers wird die erfindungsgemäß für den jeweiligen Fördervorgang des jeweiligen Endbereichs 27 berücksichtige Winkelposition Φ auf die Umlaufbewegung des Sichelmessers um die Messerachse D bezogen. Ansonsten gelten die vorstehenden mit Bezug auf ein Kreismesser gemachten Ausführungen entsprechend.In the case of a sickle knife, it is the shape of the knife that produces the relative movement required between the cutting edge of the knife and the products to separate slices. When using a sickle blade according to the invention considered for the respective conveying operation of the respective end portion 27 angular position Φ related to the orbital movement of the sickle blade to the blade axis D. Otherwise, the above statements made with reference to a circular blade apply accordingly.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Vorrichtungcontraption
33
Produktproduct
55
Produktzuführungproduct feed
77
Schneidmessercutting blade
99
Produktauflageproduct support
1111
Produktgreiferproduct gripper
1313
Scheibedisc
1515
Produktablageproduct tray
1717
ZwischenblattzuführungBetween sheet feeder
1919
FördereinrichtungConveyor
2121
ZwischenblattmaterialbahnInterleave web
2323
Walzeroller
2525
ZwischenblattmaterialbahnrolleInterleave web roll
2727
Endbereich/ZwischenblattEnd / intermediate sheet
2929
Gesamtportiontotal dose
3131
Messeraufnahmeknife receiver
3333
Schwingewing
3535
Schneidecutting edge
S1, S2, S3S1, S2, S3
Spurtrack
FF
Förderrichtungconveying direction
SS
Schneidebenecutting plane
DD
Messerachseblade axis
MM
Mittelachsecentral axis
UU
Umlaufbewegungorbital motion
A1, A2A1, A2
Achseaxis
ΦΦ
Winkelpositionangular position

Claims (15)

Vorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere Hochleistungsslicer, mit
einer Produktzuführung (5), mittels der in mehreren parallel nebeneinander verlaufenden Spuren (S1, S2, S3) Produkte (3) einer Schneidebene (S) zuführbar sind, in der sich wenigstens ein Schneidmesser (7), insbesondere rotierend und/oder umlaufend, bewegt, und
einer Zwischenblattzuführung (17), welche für jede Spur (S1, S2, S3) eine Fördereinrichtung (19) aufweist, mittels der in der jeweiligen Spur (S1, S2, S3) ein vorderer Endbereich (27) einer Zwischenblattmaterialbahn (21) durch die Schneidebene (S) hindurchförderbar ist, um in der jeweiligen Spur (S1, S2, S3) den vorderen Endbereich (27) als Zwischenblatt zwischen abgetrennten Produktlagen (13), insbesondere zwischen einzelnen Scheiben und/oder zwischen von mehreren Scheiben gebildeten Portionen, bereitzustellen,
wobei die Zwischenblattzuführung (17) spurindividuell betreibbar und jede Fördereinrichtung (19) derart ausgebildet ist, dass sie den Fördervorgang des jeweiligen vorderen Endbereichs (27) der jeweiligen Zwischenblattmaterialbahn (21) durch die Schneidebene (S) spurindividuell in Abhängigkeit von einer Winkelposition (Φ) des Schneidmessers (7) durchführt.Device for slicing food products, in particular high-performance slicers, with
a product feed (5), by means of which in several parallel adjacent tracks (S1, S2, S3) products (3) a cutting plane (S) are fed, in which at least one cutting blade (7), in particular rotating and / or rotating, moved, and
an intermediate sheet feeder (17) having for each track (S1, S2, S3) a conveying device (19) by means of which in the respective track (S1, S2, S3) a front end region (27) of an intermediate sheet material web (21) through the Cutting plane (S) is conveyed through to provide in the respective track (S1, S2, S3) the front end portion (27) as an intermediate sheet between separated product layers (13), in particular between individual slices and / or formed between several slices portions,
wherein the intermediate sheet feeder (17) is track-individually operable and each conveyor (19) is designed such that it the conveying operation of the respective front end portion (27) of the respective Zwischenblattmaterialbahn (21) by the cutting plane (S) track individually as a function of an angular position (Φ) of the cutting blade (7) performs. Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass jede Fördereinrichtung (19) dazu ausgebildet ist, den jeweiligen Fördervorgang spurindividuell in Abhängigkeit von der Winkelposition (Φ) des Schneidmessers (7) zu starten und/oder zu stoppen.Device according to claim 1,
characterized in that each conveying device (19) is designed to start and / or stop the respective conveying process in a track-specific manner as a function of the angular position (Φ) of the cutting blade (7). Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass jede Fördereinrichtung (19) dazu ausgebildet ist, den jeweiligen Fördervorgang spurindividuell zu starten, sobald die Winkelposition (Φ) des Schneidmessers (7) einem für die jeweilige Fördereinrichtung (19) vorgegebenen oder vorgebbaren Winkelpositionswert entspricht, wobei insbesondere bei wenigstens einer Fördereinrichtung (19) der Winkelpositionswert zumindest annähernd der Winkelposition (Φ) entspricht, bei der das Schneidmesser (7) in der jeweiligen Spur (S1, S2, S3) einen in der Schneidebene (S) liegenden Querschnittsbereich freigibt, durch den der vordere Endabschnitt (27) der jeweiligen Zwischenblattmaterialbahn (21) hindurchgefördert wird.Apparatus according to claim 1 or 2,
characterized in that each conveying device (19) is designed to start the respective conveying process track-individually as soon as the angular position (Φ) of the cutting blade (7) corresponds to a predetermined or specifiable angular position value for the respective conveying device (19), wherein in particular at least one Conveying device (19) the angular position value at least approximately corresponds to the angular position (Φ) at which the cutting blade (7) in the respective track (S1, S2, S3) releases a cross-sectional area lying in the cutting plane (S), through which the front end section (FIG. 27) of the respective intermediate sheet material web (21) is conveyed through. Vorrichtung nach Anspruch 3,
dadurch gekennzeichnet, dass bei wenigstens einer Fördereinrichtung (19) der Winkelpositionswert zumindest annähernd der Winkelposition (Φ) entspricht, bei der das Schneidmesser (7) eine Scheibe (13) vollständig abgeschnitten hat, und/oder dass für jede Fördereinrichtung (19) ein anderer Winkelpositionswert vorgegeben oder vorgebbar ist.Device according to claim 3,
characterized in that at least one conveyor (19) the angular position value at least approximately corresponds to the angular position (Φ) at which the cutting blade (7) has completely cut off a disc (13), and / or that for each conveyor (19) another Angle position value is specified or can be specified. Vorrichtung nach Anspruch 3 oder 4,
dadurch gekennzeichnet, dass der jeweilige Winkelpositionswert vom Schneidmesser (7), insbesondere dessen Typ und/oder Durchmesser, und/oder von einem Schneidmesserkopf, insbesondere dessen Typ, und/oder von der Messerdrehzahl und/oder
von der Schnittgeschwindigkeit und/oder
vom jeweiligen Produkt (3), insbesondere dessen Form, Höhe und/oder Breite, abhängig ist.Apparatus according to claim 3 or 4,
characterized in that the respective angular position value of the cutting blade (7), in particular its type and / or diameter, and / or of a cutting blade head, in particular its type, and / or of the blade speed and / or
from the cutting speed and / or
from the respective product (3), in particular its shape, height and / or width, is dependent. Vorrichtung nach einem der Ansprüche 3 bis 5,
dadurch gekennzeichnet, dass der jeweilige Winkelpositionswert von der Anordnung des Schneidmessers (7), insbesondere von der Anordnung einer Drehachse (M, D) des Schneidmessers (7) oder eines Messerkopfes, relativ zu den Spuren (S1, S2, S3) und/oder den Produkten (3), insbesondere der Produktquerschnittsgeometrie, abhängig ist.Device according to one of claims 3 to 5,
characterized in that the respective angular position value of the arrangement of the cutting blade (7), in particular of the arrangement of a rotation axis (M, D) of the cutting blade (7) or a cutter head, relative to the tracks (S1, S2, S3) and / or the products (3), in particular the product cross-sectional geometry, is dependent. Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass jede Fördereinrichtung (19) dazu ausgebildet ist, den jeweiligen Fördervorgang spurindividuell zu stoppen, sobald die Winkelposition (Φ) des Schneidmessers (7) einem für die jeweilige Fördereinrichtung vorgegebenen oder vorgebbaren weiteren Winkelpositionswert entspricht, oder dass jede Fördereinrichtung (19) dazu ausgebildet ist, den jeweiligen Fördervorgang für eine, insbesondere spurindividuell, vorgegebene oder vorgebbare Zeitdauer durchzuführen.Device according to one of the preceding claims,
characterized in that each conveying device (19) is designed to stop the respective conveying process track-individually as soon as the angular position (Φ) of the cutting blade (7) corresponds to a further angular position value predetermined or predefinable for the respective conveying device, or in that each conveying device (19) is designed to carry out the respective conveying process for a particular track-specific, predetermined or specifiable period of time. Verfahren zum mehrspurigen Bereitstellen von Zwischenblättern, insbesondere an einer Vorrichtung (1) nach einem der vorhergehenden Ansprüche, bei dem: Lebensmittelprodukte (3) in mehreren parallel nebeneinander verlaufenden Spuren (S1, S2, S3) von wenigstens einem sich in einer Schneidebene (S) bewegenden Schneidmesser (7) aufgeschnitten werden, und in jeder Spur (S1, S2, S3) in Abhängigkeit von der Winkelposition (Φ) des Schneidmessers (7) und unabhängig von den anderen Spuren (S1, S2, S3) ein vorderer Endbereich (27) einer Zwischenblattmaterialbahn (27) durch die Schneidebene (7) hindurchgefördert wird, um den vorderen Endbereich (27) der Zwischenblattmaterialbahn als Zwischenblatt zwischen abgetrennten Produktlagen (13), insbesondere zwischen einzelnen Scheiben und/oder zwischen von mehreren Scheiben gebildeten Portionen, bereitzustellen. Method for multi-lane provision of intermediate sheets, in particular on a device (1) according to one of the preceding claims, in which: Food products (3) in several parallel adjacent tracks (S1, S2, S3) of at least one in a cutting plane (S) moving cutting blade (7) are cut, and in each track (S1, S2, S3), depending on the angular position (Φ) of the cutting blade (7) and independently of the other tracks (S1, S2, S3), a front end region (27) of an intermediate sheet material web (27) through the cutting plane (7) is conveyed through to provide the leading end portion (27) of the interleaf material web as an interleaf between severed product layers (13), particularly between individual slices and / or portions formed by a plurality of slices. Verfahren nach Anspruch 8,
dadurch gekennzeichnet, dass in jeder Spur (S1, S2, S3) der Fördervorgang des vorderen Endbereichs (27) durch die Schneidebene (S) hindurch spurindividuell und in Abhängigkeit von der Winkelposition (Φ) des Schneidmessers (7) gestartet und/oder gestoppt wird.Method according to claim 8,
characterized in that in each lane (S1, S2, S3) the conveying process of the front end region (27) through the cutting plane (S) is started and / or stopped track-individually and in dependence on the angular position (Φ) of the cutting blade (7) , Verfahren nach Anspruch 8 oder 9,
dadurch gekennzeichnet, dass in jeder Spur (S1, S2, S3) der Fördervorgang des vorderen Endbereichs (27) durch die Schneidebene (S) hindurch gestartet wird, sobald die Winkelposition (Φ) des Schneidmessers (7) einem spurindividuell vorgegebenen oder vorgebbaren Winkelpositionswert entspricht.Method according to claim 8 or 9,
characterized in that in each track (S1, S2, S3) of the conveying operation of the front end portion (27) through the cutting plane (S) is started as soon as the angular position (Φ) of the cutting blade (7) corresponds to a track individually predetermined or predetermined angular position value , Verfahren nach Anspruch 10,
dadurch gekennzeichnet, dass der Fördervorgang gestartet wird, wenn der Winkelpositionswert zumindest annähernd der Winkelposition (Φ) entspricht, bei der das Schneidmesser (7) in der jeweiligen Spur (S1, S2, S3) einen in der Schneidebene (S) liegenden Querschnittsbereich freigibt, durch den der vordere Endbereich (27) der jeweiligen Zwischenblattmaterialbahn (21) hindurchgefördert wird, und/oder wenn der Winkelpositionswert zumindest annähernd der Winkelposition (Φ) entspricht, bei der das Schneidmesser (7) in der jeweiligen Spur (S1, S2, S3) eine Scheibe (13) vollständig abgeschnitten hat.Method according to claim 10,
characterized in that the conveying operation is started when the angular position value at least approximately corresponds to the angular position (Φ) at which the cutting blade (7) in the respective track (S1, S2, S3) releases a cross-sectional area lying in the cutting plane (S), by which the front end region (27) of the respective intermediate sheet material web (21) is conveyed through, and / or when the angular position value at least approximately corresponds to the angular position (Φ) at which the cutting blade (7) in the respective track (S1, S2, S3) a slice (13) has completely cut off. Verfahren nach Anspruch 10 oder 11,
dadurch gekennzeichnet, dass in jeder Spur (S1, S2, S3) der Winkelpositionswert in Abhängigkeit von dem Schneidmesser (7), insbesondere dessen Typ und/oder Durchmesser, und/oder von der Messerdrehzahl und/oder von der Schnittgeschwindigkeit
und/oder von einem Schneidmesserkopf, insbesondere dessen Typ, und/oder vom jeweiligen Produkt (3), insbesondere dessen Form, Höhe und/oder Breite, eingestellt wird.Method according to claim 10 or 11,
characterized in that in each track (S1, S2, S3) the angular position value in dependence on the cutting blade (7), in particular its type and / or diameter, and / or the blade speed and / or the cutting speed
and / or by a cutting blade head, in particular its type, and / or by the respective product (3), in particular its shape, height and / or width. Verfahren nach einem der Ansprüche 10 bis 12,
dadurch gekennzeichnet, dass in jeder Spur (S1, S2, S3) der Winkelpositionswert in Abhängigkeit von der Anordnung des Schneidmessers (7), insbesondere von der Anordnung einer Drehachse (M, D) des Schneidmessers (7) oder eines Messerkopfes, relativ zu den Spuren (S1, S2, S3) und/oder den Produkten (3), insbesondere der Produktquerschnittsgeometrie, eingestellt wird.Method according to one of claims 10 to 12,
characterized in that in each track (S1, S2, S3) the angular position value in dependence on the arrangement of the cutting blade (7), in particular on the arrangement of a rotation axis (M, D) of the cutting blade (7) or a cutter head, relative to the Traces (S1, S2, S3) and / or the Products (3), in particular the product cross-sectional geometry, is set. Verfahren nach einem der Ansprüche 8 bis 13,
dadurch gekennzeichnet, dass in jeder Spur (S1, S2, S3) der Fördervorgang des vorderen Endbereichs (27) durch die Schneidebene (S) hindurch spurindividuell gestoppt wird, sobald die Winkelposition (Φ) des Schneidmessers (7) einem spurindividuell vorgegebenen oder vorgebbaren weiteren Winkelpositionswert entspricht, oder dass in jeder Spur (S1, S2, S3) der Fördervorgang des vorderen Endbereichs (27) für eine, insbesondere spurindividuell, vorgesehene oder vorgebbare Zeitdauer durchgeführt wird.Method according to one of claims 8 to 13,
characterized in that in each track (S1, S2, S3) of the conveying process of the front end portion (27) through the cutting plane (S) is stopped track individual, as soon as the angular position (Φ) of the cutting blade (7) a track individually predetermined or predetermined additional Corresponds to angular position value, or that in each lane (S1, S2, S3), the conveying operation of the front end portion (27) for a, in particular individual track, provided or predefinable period of time is performed. Verfahren nach einem der Ansprüche 8 bis 14,
dadurch gekennzeichnet, dass in Abhängigkeit von der Drehzahl des Schneidmessers (7) der Fördervorgang, insbesondere über einen Korrekturwert, automatisch angepasst wird.Method according to one of claims 8 to 14,
characterized in that , depending on the rotational speed of the cutting blade (7), the conveying process, in particular via a correction value, is automatically adjusted.
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DE102013216717A1 (en) 2015-02-26
US9981400B2 (en) 2018-05-29

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