EP2808136B1 - Procédé et dispositif de découpe de produits - Google Patents

Procédé et dispositif de découpe de produits Download PDF

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Publication number
EP2808136B1
EP2808136B1 EP14165790.8A EP14165790A EP2808136B1 EP 2808136 B1 EP2808136 B1 EP 2808136B1 EP 14165790 A EP14165790 A EP 14165790A EP 2808136 B1 EP2808136 B1 EP 2808136B1
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EP
European Patent Office
Prior art keywords
product
products
another
set back
light
Prior art date
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Application number
EP14165790.8A
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German (de)
English (en)
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EP2808136A1 (fr
Inventor
Joachim Schaub
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
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Weber Maschinenbau GmbH Breidenbach
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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
    • B26D7/06—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
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/32—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/34—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier scanning being effected by a photosensitive device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D2007/011—Means for holding or positioning work by clamping claws, e.g. in high speed slicers for food products
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6539—With means for transverse positioning of work on a moving conveyor

Definitions

  • the present invention relates to a method and a device for slicing products, in particular food products, with the features of the preamble of claim 1 or with the features of the preamble of claim 9.
  • a device and such a method are known EP 2 420 362 A1 known.
  • Such devices can have a product support which is designed to feed a plurality of product loaves or product bars, hereinafter referred to as products, alongside one another along a product support to a cutting plane in which at least one cutting knife moves.
  • the cutting knife can be, for example, a planetary circular knife or a rotating sickle knife. In this way it is possible to use a single cutting device with a correspondingly large knife for cutting several products at the same time.
  • each product is assigned its own product conveyor, which is designed, for example, as a product gripper and engages at the rear end of the product in order to push the product forward.
  • the product conveyor can also comprise one or more so-called traction belts, for example an endless conveyor belt on which the product rests.
  • a common feed unit is also not mandatory in the invention.
  • the product conveyors can also be completely independently movable and controllable.
  • the product conveyors can be moved independently of one another, a difference in length of the products can be compensated for by suitable adjustment of the product conveyors relative to one another. Since the difference in length is normally not known in advance, a product search run can be carried out in order to determine the positions of the products, for example the rear ends of the products, and to bring the product conveyors into engagement with the products or the product ends. For example, during such a search and intervention process, the product beginnings can also be aligned relative to the cutting plane. However, this can lead to an upset especially in the case of fresh products such as fresh meat. If the product conveyors are now retracted before the first cut, a respective compressed product can expand again, which in turn can lead to a certain misalignment of the product beginnings relative to one another.
  • the object of the invention is therefore to provide a method and a device of the type mentioned, with which in a multi-track operation, in which several products are simultaneously fed to the cutting plane, in an as simple and reliable way as possible an exact alignment of the product beginnings relative to Cutting plane is guaranteed.
  • this object is achieved by a method having the features of claim 1 and an apparatus having the features of claim 9.
  • a plurality of products are fed alongside one another along a product support to a cutting plane in which a cutting knife moves, in particular rotating and / or rotating.
  • the products in particular the rear ends of the products, are brought into engagement with respective product conveyors, for example product grippers for the rear product ends, which - in particular on a common feed unit - can be moved independently of one another in relation to the feed unit in and against the product feed direction.
  • the products are first shifted in a step-wise manner relative to one another in the product feed direction by starting from a first product, the further products arranged on at least one side next to the respective outermost product are each set backward by an amount opposite the product feed direction than the respective previous product.
  • each product track along which a product is guided is assigned a light barrier, which is arranged at a defined distance from the cutting plane and comprises a lateral sensor, the monitoring area of which is located extends transversely to the product feed direction.
  • the products which are staggered with respect to one another, are then moved toward the light barriers at a defined speed, in particular together, for example via a common feed unit.
  • the positions of the product starts in relation to the cutting plane are then recorded via the light barriers.
  • the deviations of the recorded positions of the product starts relative to each other are determined.
  • the product conveyors are then moved relative to one another in such a way that the determined relative positional deviations of the product starts are canceled or compensated for.
  • the amount by which the further products are set back corresponds to an assumed initial maximum misalignment of the product beginnings relative to one another.
  • the monitoring areas of the light barriers each extend from the side of the product support adjacent to the most withdrawn product to the rear edge of the respective product track.
  • the lateral arrangement of the light barriers or sensors takes into account the fact that there is normally no space available for such sensors above and below the product support.
  • the lateral sensors can be offset relative to one another in the product feed direction and / or also in the height direction of the products, ie vertically one above the other with respect to the product support. Even if the light barriers are offset in the product feed direction, only the position of a respective light barrier relative to the cutting plane needs to be known. In particular, the distances between the light barriers do not have to correspond to an initial misalignment of the product beginnings.
  • the lateral sensor of a respective light barrier preferably comprises a light transmitter and a light receiver, the light beam generated by the light transmitter, starting from the relevant side of the product support, being directed onto a reflector generally transversely to the product feed direction.
  • the light barriers are therefore preferably reflective light barriers.
  • a simple metal surface for example a stainless steel sheet, can serve as the reflector, for example.
  • any device that is capable of at least partially reflecting the radiation used in each case by the light barrier is suitable as a reflector in the sense of the invention.
  • the reflector can be arranged directly behind the respective product track.
  • the reflectors can all be the same distance from their respective Have light emitters so that all light barriers extend across all product tracks.
  • the further products arranged next to the opposite outermost product are each set back against the product feed direction by an amount corresponding, in particular, to an assumed initial maximum misalignment of the product beginnings relative to one another than the respective previous product, the sensors of the light barriers assigned to the different product tracks being arranged on the side of the product receptacle which is closest to the product which has been set back most.
  • Such a variant is particularly expedient in the case of a relatively small number of adjacent products, for example up to four products. With a correspondingly limited number of products, the travel path of the product conveyors does not have to be too large in order to bring about the step-like offset of the products.
  • the products are, starting from a central region of the product support viewed transversely to the product feed direction, on both sides in each case up to the opposite outermost product, in particular an assumed initial maximum misalignment of the product beginnings, relative to one another, offset further back against the product feed direction than the respective previous product.
  • the sensors of the light barriers which are assigned to the product tracks of the products which are set back step-wise on one side can be arranged on this one side of the product support, while the sensors of the light barriers which are assigned to the product tracks on the other side Products that are set back in steps can be arranged on this other side of the product support.
  • This variant ensures that, even with a larger number of products, the maximum travel path of the product conveyors does not have to be too great in order to bring about the step-like offset of the products.
  • 2 x 4 products can be loaded next to each other on the product support, whereby four products on one side of the product support and four products on the other side of the product support are each set back in stages in the opposite direction to the product feed direction before they are taken together by the light barriers to record product starts these light barriers are fed.
  • the products which are staggered relative to one another, are expediently moved toward the light barriers at a constant speed via the common feed unit. By keeping this speed constant, the relative deviations of the product beginnings detected via the light barriers can be determined more easily.
  • the product conveyors which are brought into engagement with the products are preferably moved to different degrees in and / or counter to the product feed direction before the step-wise displacement of the products, in particular relative to a common feed unit.
  • the product conveyors can therefore remain in a random, unpredictable relative position that arises after an initial product search, so they do not have to be specifically aligned in order to record the product beginnings or their deviations.
  • the device according to the invention for slicing products correspondingly comprises a product support, along which several products can be fed next to one another on a cutting plane in which a cutting knife moves, in particular rotating and / or rotating.
  • the products for example the rear ends of the products, can be brought into engagement with respective product conveyors, for example product grippers for the rear product ends, which - in particular mounted on a common feed unit - are independent of one another, in particular relative to a common feed unit, in and against the product feed direction are movable.
  • the device also includes a control device which is designed to move the products in a stepwise manner relative to one another in the product feed direction via the product conveyors, in that starting from a first product, the further products arranged next to it on at least one side each by one, in particular, to the respective outermost product an assumed initial maximum misalignment of the product beginnings relative to each other, amount opposite to the product feed direction can be set back further than the respective previous product.
  • a control device which is designed to move the products in a stepwise manner relative to one another in the product feed direction via the product conveyors, in that starting from a first product, the further products arranged next to it on at least one side each by one, in particular, to the respective outermost product an assumed initial maximum misalignment of the product beginnings relative to each other, amount opposite to the product feed direction can be set back further than the respective previous product.
  • Each product track along which a product is guided is assigned a light barrier, which is arranged at a defined distance from the cutting plane and comprises a lateral sensor, the monitoring
  • the control device is also designed to move the products, which are staggered with respect to one another in steps, in particular via a common feed device.
  • Approach the light barriers at a defined speed - in particular at the same time use the light barriers to record the positions of the product beginnings in relation to the cutting plane, determine the deviations of the recorded positions of the product beginnings relative to each other and to align the product beginnings with the cutting plane the product conveyors relative to each other to proceed in such a way that the determined relative position deviations of the product beginnings are canceled.
  • the amount by which the further products are set back corresponds to an assumed initial maximum misalignment of the product beginnings relative to one another.
  • the monitoring areas of the light barriers each extend from the side of the product support adjacent to the most withdrawn product to the rear edge of the respective product track.
  • the lateral sensor of a respective light barrier preferably comprises a light transmitter and a light receiver, the light beam generated by the light transmitter, starting from the relevant side of the product support, being directed generally transversely to the product feed direction onto a reflector, in particular arranged directly behind the respective product track.
  • the light barriers are each designed as reflected light barriers.
  • a preferred variant of the device according to the invention which is particularly suitable for a relatively small number of products, is characterized in that the control device is designed, starting from one of the two outermost products, the further products arranged next to it to the opposite outermost product by one, in particular an assumed initial maximum misalignment of the product beginnings in relation to each other, to set back the amount opposite to the product feed direction further than the respective previous product, the sensors of the light barriers assigned to the various product tracks being arranged on the side of the product support that is closest to the product that has been set back.
  • the control device is designed to move the products, starting from a central region of the product support viewed transversely to the product feed direction, on both sides in each case up to the opposite outermost product, in particular the assumed initial maximum misalignment of the product beginnings relative to each other, corresponding to the product feed direction, to be set further back than the respective previous product, preferably the sensors of the light barriers, which are assigned to the product traces of the products, which are gradually set back on one side, on this one side of the Product support are arranged, while the sensors of the light barriers, which are assigned to the product tracks of the products which are set back step-wise towards the other side, are on this other n side of the product support are arranged.
  • this advantageously comprises a carrier which extends transversely to the product feed direction and can be moved in and against the product feed direction and on which the product conveyors are mounted such that they can be moved independently of one another.
  • This carrier is preferably guided by means of lateral guides, each extending in the product feed direction.
  • the carrier can be moved, for example, via a spindle drive.
  • Fig. 1 shows a schematic plan view of an exemplary embodiment of a device 10 for slicing products 12, which can in particular be food products.
  • the device 10 comprises a product support 14 which can be loaded with a plurality of products 12 and along which the products 12 can be fed next to one another on a cutting plane 16 in which a cutting knife moves, in particular rotating and / or rotating.
  • a cutting edge 18 forms the end of the product support 14.
  • the rear ends 20 of the products 12 can be brought into engagement with respective product conveyors 22, which are designed here as product grippers, the product conveyors 22 being mounted on a common feed unit 24 and being able to be moved independently of one another in relation to the feed unit 24 in and against the product feed direction Z.
  • a common feed unit is not mandatory and the product conveyors can be moved completely independently of one another in an alternative embodiment.
  • traction bands can be provided which engage on the undersides and / or the tops of the products.
  • the feed unit 24 can in particular comprise a carrier 26, which extends transversely to the product feed direction Z and can be moved in and against the product feed direction Z, on which the product conveyors 22 are mounted such that they can be moved independently of one another.
  • the carrier 26 can be guided by means of lateral guides 28, each extending in the product feed direction Z.
  • the carrier 26 can be moved via a spindle drive 30, which comprises a spindle nut 32, via which the carrier 26 is correspondingly carried.
  • the carrier 26 is also guided through the spindle of the spindle drive 30 again in the direction of the product feed direction.
  • a control device 34 is provided, in particular with the spindle drive 30 and individual drives for the product conveyors 22 can be connected, by means of which these product conveyors 22 can be moved independently of one another relative to the carrier 26 in and against the product feed direction Z.
  • control device 34 is designed to initially shift the products 12 in a step-like manner relative to one another in the product feed direction Z by means of the product conveyors 22, in that, starting from a first product 12 1, the further products 12 2 to 12 n arranged next to them on at least one side up to the respective outermost product 12 n, in each case by an amount x corresponding to an assumed initial maximum misalignment of the product beginnings 36 relative to one another, counter to the product feed direction Z, than the respectively preceding product.
  • each product track, along which a product 12 is guided is assigned a light barrier 38, 40, which is arranged at a defined distance from the cutting plane 16 and comprises a lateral sensor 38, the monitoring area 42 of which is based on the most withdrawn product 12 n adjacent side of the product support 14 extends transversely to the product feed direction Z to the rear end of the respective product track.
  • the control device 34 is also designed to move the products 12, which are staggered with respect to one another in steps, via the common feed unit 24 to the light barriers 38, 40 at a defined speed, to detect the positions of the product starts 36 with respect to the cutting plane 16 via the light barriers 38, 40, to determine the deviations of the detected positions of the product starts 36 relative to one another and to align the product starts 36 with the cutting plane 16 to move the product conveyors 22 relative to one another in such a way that the determined relative position deviations of the product starts 36 are canceled.
  • the lateral sensor 38 of a respective light barrier 38, 40 can in particular comprise both a light transmitter and a light receiver and the light beam 44 generated by the light transmitter, starting from the relevant side of the product support 14, generally transversely to the product feed direction Z to one immediately behind the respective one Product track arranged reflector 40 may be directed.
  • the light barriers 38, 40 are each designed as reflected light barriers.
  • the described step-like displacement of the products 12 and the specified assignment of the light barriers 38, 40 to the respective product tracks enables a lateral arrangement of the sensors 38 and ensures that the light beam 44 of a respective light barrier 38, 40 is first through the product 12 of the assigned one Product track interrupted and a disturbing concealment by the other products is prevented.
  • Fig. 2 shows an exemplary variant of the device 10 according to the invention or of the method according to the invention, particularly suitable for a relatively smaller number of products 12.
  • control device 34 is designed, inter alia, to proceed from a 12 1 of the two outermost products, the further products 12 2 to 12 n arranged next to them, to the opposite outermost product 12 n, each relative to one of the assumed initial maximum misalignment of the product starts 36 mutually corresponding amount x against the product feed direction Z further back than the respective previous product, the sensors 38 of the light barriers 38, 40 assigned to the different product tracks being arranged on the side of the product support 14 that is closest to the product 12 n set back.
  • up to four products 12 can be arranged side by side.
  • the amount x corresponding to the assumed initial maximum misalignment of the product starts 36 relative to each other, by which the products 12 are set back further than the respective previous product against the product feed direction Z, can be, for example, 30 mm, so that the maximum offset between the two outermost Product conveyor 22 assigned to products is 90 mm.
  • an assumed initial maximum misalignment of the product starts 36 relative to one another can therefore be particularly advantageous if only a limited maximum offset of the two outermost product conveyors is possible, for example when using a common feed unit for the product conveyors.
  • Fig. 3 shows a further exemplary variant of the device 10 according to the invention or of the method according to the invention, particularly suitable for a relatively larger number of products 12.
  • control device 34 is designed in particular to start the products from a central region viewed transversely to the product feed direction Z or a product 12 1 or 12'1 arranged there on both sides up to the opposite outermost product 12 n or 12 ' n each by an amount corresponding to the assumed initial maximum misalignment of the product beginnings 36 relative to the product feed direction Z, relative to the product feed direction Z, with the sensors 38 of the light barriers 38, 40 detecting the product traces on the one side are assigned to products 12 that are set back in steps, on one side of the product support 14, while the sensors 38 of the light barriers 38, 40, which are assigned to the product tracks of the products 12 that are set back in steps, on the other side of the product support 14 arranged s ind.
  • a total of eight products 12 can be provided next to one another, four products 12 1 to 12 n being displaced further to the one side to the opposite outermost product 12 n by the amount x against the product feed direction Z than the respective previous product , while the other four products 12 ' 1 to 12' n to the other side to the opposite outermost product 12 ' n are each set back against the product feed direction Z by the amount x more than the respective previous product.
  • the amount x corresponding to the initial maximum misalignment of the product starts 36 relative to one another can be again be 30 mm.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Control Of Conveyors (AREA)

Claims (15)

  1. Procédé pour trancher des produits (26), en particulier des produits alimentaires, dans lequel
    plusieurs produits (12) sont amenés les uns à côté des autres le long d'un support de produits (14) jusqu'à un plan de coupe (16) dans lequel une lame de coupe se déplace en particulier en rotation et/ou en révolution,
    les produits (12) sont mis en prise avec des convoyeurs de produits respectifs (22) qui, en particulier en étant montés sur une unité d'alimentation commune (24), sont mobiles indépendamment les uns des autres par rapport à l'unité d'alimentation (24) dans la direction d'alimentation de produits (Z) et en sens opposé à celle-ci,
    caractérisé en ce que
    les produits (12) sont décalés de façon étagée les uns par rapport aux autres dans la direction d'alimentation de produits (Z) par l'intermédiaire des convoyeurs de produits (22), du fait que, à partir d'un premier produit (121), les autres produits (122 - 12n) disposés sur au moins un côté adjacent audit produit, jusqu'à un produit respectif situé le plus à l'extérieur (12n), sont chacun décalés d'un montant (×) en sens opposé à la direction d'alimentation de produits (Z), plus loin que le produit précédent respectif,
    une barrière photoélectrique (38, 40) disposée à une distance définie du plan de coupe (16) et comprenant un capteur latéral (38), barrière dont la zone de surveillance (42) s'étend transversalement à la direction d'alimentation de produits (Z), est associée à chaque piste de produits le long de laquelle un produit respectif (12) est guidé,
    les produits (12) décalés de façon étagée les uns par rapport aux autres sont amenés vers les barrières photoélectriques (38, 40), en particulier par l'intermédiaire d'une unité d'alimentation commune (24), à une vitesse définie, en particulier simultanément,
    les positions des débuts de produit par rapport au plan de coupe (16) sont détectées par l'intermédiaire des barrières photoélectriques (38, 40), les écarts des positions détectées des débuts de produit (36) les unes par rapport aux autres sont déterminés, et
    afin d'aligner les débuts de produit (36) avec le plan de coupe (16), les convoyeurs de produits (22) sont déplacés les uns par rapport aux autres de telle sorte que les écarts de position relatifs déterminés des débuts de produit (36) sont annulés.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le capteur latéral (38) d'une barrière photoélectrique respective (38, 40) comprend un émetteur de lumière ainsi qu'un récepteur de lumière, et le faisceau lumineux (44) généré par l'émetteur de lumière est dirigé à partir du côté correspondant du support de produit (14) généralement transversalement à la direction d'alimentation de produits (Z) vers un réflecteur (40) agencé en particulier directement derrière la piste de produits respective.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    en partant de l'un (121) des deux produits situés le plus à l'extérieur, les autres produits (122 - 12n) adjacents audit produit, jusqu'au produit (12n) opposé situé le plus à l'extérieur, sont décalés chacun d'un montant (x) en sens opposé à la direction d'alimentation de produits (Z), plus loin que le produit respectif précédent, et en ce que
    les capteurs (38) des barrières photoélectriques (38, 40) associées aux différentes pistes de produits sont disposés sur le côté du support de produits (14) adjacent au produit (12n) décalé le plus loin.
  4. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    en partant d'une zone médiane du support de produit (14), observée transversalement à la direction d'alimentation de produits (Z), les produits (12) sont décalés vers les deux côtés, jusqu'au produit respectif opposé (12n ou 12'n) situé le plus à l'extérieur, chacun d'un montant (x) en sens opposé à la direction d'alimentation de produits (Z), plus loin que le produit respectif précédent, et en particulier les capteurs (38) des barrières photoélectriques (38, 40) qui sont associées aux pistes des produits (12) décalés de façon étagée vers un côté, sont agencés sur ledit côté du support de produits (14), tandis que les capteurs (38) des barrières photoélectriques (38, 40) qui sont associées aux pistes des produits (12) décalés de façon étagée vers l'autre côté sont agencés sur ledit autre côté du support de produits (14).
  5. Procédé selon l'une au moins des revendications précédentes,
    caractérisé en ce que
    les produits (12) décalés de façon étagée les uns par rapport aux autres sont amenés vers les barrières photoélectriques (38, 40) à vitesse constante, en particulier via l'unité d'alimentation commune.
  6. Procédé selon la revendication 5,
    caractérisé en ce que
    les convoyeurs de produits (22) mis en prise avec les produits (12) sont déplacés à des degrés différents dans et/ou en sens opposé à la direction d'alimentation de produits (Z) par rapport à l'unité d'alimentation (24), avant que les produits (12) ne soient décalés de façon étagée.
  7. Procédé selon l'une au moins des revendications précédentes,
    caractérisé en ce que
    le montant (x) dont les autres produits sont chacun décalés correspond à un désalignement initial maximal présumé des débuts de produit (36) les uns par rapport aux autres.
  8. Procédé selon l'une au moins des revendications précédentes,
    caractérisé en ce que
    les zones de surveillance (42) des barrières photoélectriques (38, 40) s'étendent chacune en partant du côté du support de produit (14) adjacent au produit (12n) décalé le plus loin, jusqu'au bord arrière de la piste de produits respective.
  9. Dispositif (10) pour trancher des produits (26), en particulier des produits alimentaires, en particulier pour mettre en oeuvre le procédé selon l'une des revendications précédentes, comportant un support de produits (14) le long duquel plusieurs produits (12) peuvent être amenés les uns à côté des autres jusqu'à un plan de coupe (16) dans lequel une lame de coupe se déplace en particulier en rotation et/ou en révolution,
    dans lequel
    les produits (12) peuvent être mis en prise avec des convoyeurs de produits respectifs (22) qui, en particulier en étant montés sur une unité d'alimentation commune (24), sont mobiles indépendamment les uns des autres par rapport à l'unité d'alimentation (24) dans la direction d'alimentation de produits (Z) et en sens opposé à celle-ci,
    caractérisé en ce que
    il est prévu un dispositif de commande (34) qui est réalisé pour décaler les produits (12) de façon étagée les uns par rapport aux autres dans la direction d'alimentation de produits (Z) par l'intermédiaire des convoyeurs de produits (22), du fait que, à partir d'un premier produit (121), les autres produits (122 - 12n) disposés sur au moins un côté adjacent audit produit, jusqu'au produit respectif situé le plus à l'extérieur (12n), sont chacun décalés d'un montant (x) en sens opposé à la direction d'alimentation de produits (Z) plus loin que le produit précédent respectif,
    une barrière photoélectrique (38, 40) disposée à une distance définie du plan de coupe (16) et comprenant un capteur latéral (38), barrière dont la zone de surveillance (42) s'étend transversalement à la direction d'alimentation de produits (Z), est associée à chaque piste de produits le long de laquelle un produit respectif (12) est guidé, et
    le dispositif de commande (34) est en outre réalisé pour amener les produits (12), décalés de façon étagée les uns par rapport aux autres, vers les barrières photoélectriques (38, 40) en particulier par l'intermédiaire d'une unité d'alimentation commune (24), à une vitesse définie, en particulier simultanément,
    pour détecter les positions des débuts de produit (36) par rapport au plan de coupe (16) par l'intermédiaire des barrières photoélectriques (38, 40), pour déterminer les écarts des positions détectées des débuts de produit (36) les unes par rapport aux autres, et
    en vue d'aligner les débuts de produit (36) avec le plan de coupe (16), pour déplacer les convoyeurs de produits (22) les uns par rapport aux autres de telle sorte que les écarts de position relatifs déterminés des débuts de produit (36) soient annulés.
  10. Dispositif selon la revendication 9,
    caractérisé en ce que
    le capteur latéral (38) d'une barrière photoélectrique respective (38, 40) comprend un émetteur de lumière ainsi qu'un récepteur de lumière, et le faisceau lumineux (44) généré par l'émetteur de lumière est dirigé à partir du côté correspondant du support de produits (14) généralement transversalement à la direction d'alimentation de produits (Z) vers un réflecteur (40) agencé en particulier directement derrière la piste de produits respective.
  11. Dispositif selon la revendication 9 ou 10,
    caractérisé en ce que
    le dispositif de commande (34) est réalisé pour décaler, en partant de l'un (121) des deux produits situés le plus à l'extérieur, les autres produits (122 - 12n) adjacents audit produit, jusqu'au produit (12n) opposé situé le plus à l'extérieur, chacun d'un montant (x) en sens opposé à la direction d'alimentation de produits (Z), plus loin que le produit respectif précédent, et en ce que
    les capteurs (38) des barrières photoélectriques (38, 40) associées aux différentes pistes de produits sont disposés sur le côté du support de produits (14) adjacent au produit (12n) décalé le plus loin.
  12. Dispositif selon la revendication 9 ou 10,
    caractérisé en ce que
    le dispositif de commande (34) est réalisé pour décaler, en partant d'une zone médiane du support de produits (14), observée transversalement à la direction d'alimentation de produits (Z), les produits (12) vers les deux côtés jusqu'au produit respectif opposé (12n ou 12'n) situé le plus à l'extérieur, chacun d'un montant (x) en sens opposé à la direction d'alimentation de produits (Z), plus loin que le produit respectif précédent, et
    en particulier les capteurs (38) des barrières photoélectriques (38, 40) qui sont associées aux pistes des produits (12) décalés de façon étagée vers un côté sont agencés sur ledit côté du support de produits (14), tandis que les capteurs (38) des barrières photoélectriques (38, 40) qui sont associées aux pistes des produits (12) décalés de façon étagée vers l'autre côté sont agencés sur ledit autre côté du support de produits (14).
  13. Dispositif selon l'une au moins des revendications 9 à 12,
    caractérisé en ce que
    l'unité d'alimentation (24) comprend un support (26) s'étendant transversalement à la direction d'alimentation de produits (Z) et mobile dans la direction d'alimentation de produits (Z) et en sens opposé à celle-ci, support sur lequel les convoyeurs de produits (22) sont montés de façon mobile indépendamment les uns des autres, et en particulier le support (26) est guidé à l'aide de guidages latéraux (28) s'étendant chacun en direction d'alimentation de produits (Z).
  14. Dispositif selon l'une au moins des revendications 9 à 13,
    caractérisé en ce que
    le montant (x) dont les autres produits sont chacun décalés correspond à un désalignement initial maximal présumé des débuts de produit (36) les uns par rapport aux autres.
  15. Dispositif selon l'une au moins des revendications 9 à 14,
    caractérisé en ce que
    les zones de surveillance (42) des barrières photoélectriques (38, 40) s'étendent chacune en partant du côté du support de produits (14) adjacent au produit (12n) décalé le plus loin, jusqu'au bord arrière de la piste de produits respective.
EP14165790.8A 2013-04-29 2014-04-24 Procédé et dispositif de découpe de produits Active EP2808136B1 (fr)

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US10160602B2 (en) 2017-01-04 2018-12-25 Provisur Technologies, Inc. Configurable in-feed for a food processing machine
US10639798B2 (en) 2017-01-04 2020-05-05 Provisur Technologies, Inc. Gripper actuating system in a food processing machine
US10836065B2 (en) 2017-01-04 2020-11-17 Provisur Technologies, Inc. Exposed load cell in a food processing machine
US9950869B1 (en) 2017-01-04 2018-04-24 Provisur Technologies, Inc. Belt tensioner in a food processing machine
US20210187773A1 (en) * 2018-05-31 2021-06-24 Hollymatic Corporation Method and system to control, automate, monitor, and shut down a deli slicer

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DE102013207788A1 (de) 2014-10-30
US20140318333A1 (en) 2014-10-30
EP2808136A1 (fr) 2014-12-03

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