EP3558854B1 - Unité de décélération, dispositif de déroulement, machine de coupe et procédé de fourniture d'un matériau de séparation - Google Patents

Unité de décélération, dispositif de déroulement, machine de coupe et procédé de fourniture d'un matériau de séparation Download PDF

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Publication number
EP3558854B1
EP3558854B1 EP17825839.8A EP17825839A EP3558854B1 EP 3558854 B1 EP3558854 B1 EP 3558854B1 EP 17825839 A EP17825839 A EP 17825839A EP 3558854 B1 EP3558854 B1 EP 3558854B1
Authority
EP
European Patent Office
Prior art keywords
separating material
cutting machine
pressure
fan
suction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17825839.8A
Other languages
German (de)
English (en)
Other versions
EP3558854A2 (fr
Inventor
Christian Bader
Florian MOHR
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.)
GEA Food Solutions Germany GmbH
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GEA Food Solutions Germany GmbH
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Filing date
Publication date
Application filed by GEA Food Solutions Germany GmbH filed Critical GEA Food Solutions Germany GmbH
Publication of EP3558854A2 publication Critical patent/EP3558854A2/fr
Application granted granted Critical
Publication of EP3558854B1 publication Critical patent/EP3558854B1/fr
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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
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
    • B65H23/10—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on running web
    • 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
    • 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
    • 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
    • B26D2007/322—Means for performing other operations combined with cutting for conveying or stacking cut product the cut products being sheets, e.g. sheets of paper
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/31—Suction box; Suction chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/36—Means for producing, distributing or controlling suction
    • B65H2406/366—Means for producing, distributing or controlling suction producing vacuum
    • B65H2406/3662—Fans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/81—Packaging machines

Definitions

  • the present invention is based on a delay unit for an unwinding device, the delay unit being designed to delay a transport movement of separating material which is unrolled from the unwinding device and made available in a cutting area of a cutting machine.
  • Such delay units are known from the prior art and are used to keep the separating material, which typically comprises a strip of foil or paper material, under tension during unwinding. This increases the transport resistance of the belt, so that the belt does not kink, tear or jam.
  • the separator material is typically referred to as an "interleaver” and the tape as an “interleaver strip”.
  • rollers in particular dancer rollers, around which the belt runs, are always used as delay units.
  • Such dancer rollers are typically designed to be movable and resiliently biased in one direction.
  • roller-based delay units for interleaver strips are, for example, from the German patent application DE 10 2013 204 956 A1 known.
  • the interleaver strip is guided here over U-shaped cassettes with interleaver rollers, each of which is provided with a braking device.
  • the braking means comprise a braking mandrel which acts on the respective interleaver roller and generates a braking torque through friction.
  • the delay unit according to the invention has the advantage over the prior art that the transport movement of the separating material is not delayed by mechanical braking of an interleaver roller but rather by exerting pressure on the separating material itself.
  • the separating material can be pressed against an exchangeable contact surface or suction plate, which can thus be individually adapted to the geometry of the separating material, for example by means of overpressure or by means of negative pressure, whereby the desired delay effect occurs.
  • both overpressure and underpressure in the sense of the present invention, this means the positive or negative pressure difference relative to the ambient pressure
  • the delay unit can be exchanged more easily, for example for maintenance or cleaning purposes, since the separating material, in particular in the form of a strip, does not have to be guided over a roller of the delay unit.
  • Another advantage is that overall the number of rollers can be significantly reduced compared to the prior art, as a result of which the delay unit according to the invention can be made more compact, lighter, cheaper and requires less maintenance.
  • the separating material preferably comprises a band of foil or paper material.
  • the separating material in the context of the present invention is also referred to as “interleaver” and the band as “interleaver strip”.
  • the delay unit comprises a suction means for sucking in the separating material by means of negative pressure.
  • the movement of the separating material is thus delayed by sucking in the separating material by means of negative pressure.
  • the negative pressure is preferably precisely adjustable, so that the braking effect can be adjusted precisely, quickly and easily to different Conditions and separation materials can be customized.
  • suction by means of “negative pressure” means in particular that there is a lower pressure in the area or within the suction means compared to the ambient pressure of the delay unit.
  • the ambient pressure will typically correspond to the mean air pressure, for example 1 bar at sea level. Due to the pressure difference, air flows to the suction means, whereby the separating material is sucked to the suction means.
  • the suction creates a type of (adhesive) friction between the separating material and the suction means, so that the transport resistance increases during the transport movement, which is in particular aligned perpendicular to the suction direction, and the separating material is thus braked.
  • the braking has the effect, in a known manner, that the separating material, and in particular the belt, remains under tension and that the separating material is properly unrolled and made available without kinking, tearing or jamming the same.
  • the suction means comprises a suction plate with at least one suction opening, the suction opening being in fluid connection with a suction unit via a fluid line.
  • the design of the suction means as a suction plate has the advantage that the separating material can lie flat against the suction means when it is sucked in, which increases the transport resistance.
  • the geometry of the suction plate is preferably adapted individually to the geometry of the separating material.
  • the suction plate can be exchanged in a modular manner, so that when the separating material is changed, the delay unit can be easily adapted to the geometry of the new separating material by a corresponding exchange of the suction plate.
  • the suction plate is preferably provided with a plurality of suction openings, each of which is in fluid connection with the fluid line.
  • the suction openings are either evenly distributed over the surface of the flat suction plate or a plurality of the suction openings are arranged in a central area or an edge area of the suction plate.
  • the suction unit comprises a negative pressure generating unit, in particular a fan, a Venturi nozzle, a vacuum pump or the like.
  • a fan represents a comparatively cost-effective solution that is easy to implement.
  • the fan comprises, in particular, a housing in which a fan wheel driven by an electric motor rotates.
  • the fan wheel is arranged on a shaft that is connected to the electric motor and has a ring of inclined blades.
  • the speed of the fan wheel is determined by the speed of the electric motor via the shaft.
  • the speed of the motor is preferably controlled by a control unit.
  • the negative pressure generated in the suction openings of the suction plate for sucking in the separating material depends on the air throughput of the fan, which is determined by the structural conditions of the fan and by the speed of the fan wheel.
  • the negative pressure can advantageously be set by changing the speed, so that the transport resistance can advantageously be set continuously and extremely precisely by controlling the speed of the fan wheel by means of the control unit.
  • the control unit has to control the speed of the fan, the control unit being configured in particular in such a way that the speed of the fan is controlled as a function of a rolling and / or transport speed of the separating material. It is conceivable that the unwinding or transport speed is measured by means of a sensor.
  • the fan is preferably controlled via a control circuit in which the speed of the fan wheel is entered as a manipulated variable and the unwinding or transport speed (actual speed) as a control and feedback variable.
  • the unwinding and transport speed is automatically kept within a specified target range. If the sensor measures an actual speed that exceeds the target range, the fan speed is automatically increased until the actual speed is again within the target range. If, on the other hand, the actual speed is measured by the sensor that is below the setpoint range, the speed of the fan is automatically reduced until the actual speed is again within the setpoint range.
  • the fluid line is releasably connected to the suction means via a quick coupling, the coupling unit being able to be coupled in particular to a plurality of different and mutually interchangeable suction plates.
  • the quick coupling advantageously enables the delay unit to be fitted quickly and easily with different suction plates, as a result of which the delay units can be adapted to different separating materials and separating material geometries.
  • the different suction plates differ in particular with regard to their dimensions and / or with regard to their number, size and / or arrangement of suction openings.
  • the pressure generating means comprises a pressing means for pressing the separating material against a contact surface by means of compressed air, the pressure generating means preferably being a compressor or fan for generating the compressed air and / or a nozzle for generating an air flow directed in the direction of the separating material having.
  • the release material is by means of the Air flow is pressed in particular formed flat against the pressing means in the form of a modular exchangeable pressure plate, whereby a frictional connection is created between the separating material and the pressure plate.
  • the frictional effect depends on the strength of the air flow, i.e. the strength of the overpressure.
  • Pressure difference between A pressing by means of "overpressure” in the sense of the present invention means in particular that there is a higher pressure in the area or within the pressure generating means compared to the ambient pressure of the delay unit.
  • the ambient pressure will typically correspond to the mean air pressure, for example 1 bar at sea level. Due to the pressure difference, air flows out of the pressure generating means. The resulting air flow presses the separating material against the pressure plate.
  • the air flow is either directed directly, preferably perpendicularly, onto the separating material, so that the separating material is moved by the air flow in the direction of the pressure plate, or the air jet is directed into a gap between the separating material and the pressure plate, so that the separating material reaches the Pressure plate is pressed.
  • the overpressure is preferably provided by a compressor or a fan. It is conceivable that the speed of the fan wheel of this fan, as explained in connection with the fan of the suction means, is controlled as a function of the transport speed of the separating material, the transport speed of the food bar or the speed of the knife.
  • the unwinding device has a roll of tape for providing separating material and the delay unit, the delay unit being arranged downstream of the roll of tape along the transport movement of the separating material.
  • the delay unit increases the transport resistance of the separating material unrolled from the roll of tape, so that only as much separating material is unrolled from the roll of tape as is actually required. In particular, this prevents more separating material from being unrolled than can be removed due to insufficient rolling resistance of the tape roll and thus, for example, the tape material jamming or jumping off the tape roll.
  • the unwinding device is a multi-lane unwinding device which provides a plurality of strips of separating material in parallel.
  • the unwinding device preferably has a plurality of tape rollers arranged in parallel and a corresponding plurality of delay units arranged in parallel.
  • the unwinding device according to the invention advantageously has a severing device for cutting off a sheet from the band of separating material, each sheet being cut off by the separating device before, during or after the sheet or the free end of the band of separating material in a cutting area of a cutting machine for cutting shot in by food becomes.
  • the belt is transported intermittently, in particular.
  • This intermittent conveyance of the separating material is preferably carried out by means of a drive of the unwinding device, the drive being arranged along the transport direction of the separating material in the direction of the cutting machine behind the delay unit, that is, between the cutting machine and the cutting area.
  • the drive includes in particular a motor-driven roller over which the strip of separating material is guided.
  • the drive is particularly preferably arranged along the transport direction of the separating material between the delay unit and the separating device.
  • the unwinding device has a further drive which is provided for driving the reel of tape.
  • the tape roll can also be designed with a freewheel or a braked freewheel.
  • the cutting machine according to the invention for cutting food bars has a knife which separates food slices from a food bar, which are arranged at least partially overlapping to form a portion of several food slices, a sheet of separating material being provided between at least two food slices, the cutting machine using the unwinding device according to the invention which provides the separating material for the arrangement of the sheet between the two food slices.
  • the cutting machine according to the invention has the advantage over the cutting machines known from the prior art that inserting or shooting the sheet of separating material between two food slices cut off from food bars and partially stacked one on top of the other works particularly reliably, since the use of the delay unit according to the invention enables precise and individually adaptable setting of the Transport resistance can take place.
  • the cutting machine can be adapted in a simple manner to different foods which, for example, require separating materials of different dimensions, since the delay unit can also be easily and quickly converted by exchanging the suction plate.
  • the machine components of food processing machines must be cleaned frequently.
  • the cutting machine according to the invention offers the advantage that the suction plate of the delay unit can be easily and quickly removed and reused for cleaning purposes.
  • the cutting machine is a multi-lane cutting machine which cuts several bars of food in parallel and forms at least partially overlapping stacks (also referred to as portions) of Arranges food slices.
  • the unwinding device accordingly comprises a multi-lane unwinding device, so that individual sheets of separating material can be arranged between stacked food slices of each stack produced in parallel.
  • the knife comprises a rotating cutting knife and the suction means comprises a suction plate with at least one suction opening which is in fluid connection with a suction unit in the form of a fan via a fluid line, the delay unit having a control unit for controlling the speed of the fan, which is configured such that the speed of the fan is controlled as a function of a rolling and / or transport speed of the separating material and / or the speed of the cutting knife and / or a conveying speed of the food bar in the direction of the cutting knife.
  • the speed of the cutting knife and / or the conveying speed of the food bar is a measure of the speed at which the food slices are cut off and stacked.
  • the need for separating material is directly related to this speed, so that the speed of the cutting knife and / or the conveying speed of the food bar can be used as a control or regulating variable for activating the fan and thus ultimately for the transport resistance of the separating material.
  • the fan (as described above) is controlled via a control circuit in which the speed of the fan wheel is used as a manipulated variable and instead of or in addition to the rolling or transport speed of the separating material, the speed of the cutting knife and / or the conveying speed of the food bar as a control and feedback variable are received.
  • Another object of the present invention for solving the above-mentioned object is a method for providing separating material, the separating material being unrolled from a roll of tape and provided in a cutting area of a cutting machine, a transport movement of the separating material from the roll of tape to the cutting area being delayed by a delay unit is, wherein to delay the transport movement pressure is generated on the release material by means of a pressure generating means.
  • the separating material is sucked in by a suction means by means of negative pressure. It has already been explained above that the suction of the separating material can advantageously be set precisely by adjusting the negative pressure and can be continuously adjusted so that an optimal adjustment of the transport resistance is made possible at all times.
  • the separating material in order to delay the transport movement, is sucked in over a large area on a suction plate, the negative pressure being generated by a negative pressure generating unit in the form of a fan, which is in fluid connection with at least one suction opening in the via a fluid line Suction plate is standing.
  • a speed of the fan is controlled as a function of a rolling and / or transport speed of the separating material and / or a speed of a rotating cutting knife of the cutting machine of a control unit.
  • food slices are separated from a food bar by means of the cutting knife and the food slices are arranged at least partially overlapping to form a portion of several food slices, a sheet separated from the separating material being arranged between at least two food slices.
  • the separating material in order to delay the transport movement, the separating material is sucked in over a large area on a suction plate, the negative pressure being generated by a negative pressure generating unit in the form of a fan, which is in fluid communication with at least one suction opening in the via a fluid line Suction plate is standing. It is conceivable that the speed of the fan wheel of this fan, as explained in connection with the fan of the suction means, is controlled as a function of the transport speed of the separating material, the transport speed of the food bar or the speed of the knife.
  • the unwinding device 10 comprises a tape roll 11 on which at least one rolled up tape made of separating material 2 is provided.
  • the band comprises an interleaver strip, of which a cutting machine 20 (see FIG Figure 2 ) one after the other individual sheets of separating material 5, so-called interleavers, are cut off in order to arrange them between food slices 22 partially stacked one on top of the other and to prevent the food slices from sticking to one another.
  • the tape is first guided by the free-running tape roller 11 or driven by a further drive (not shown) as part of a transport movement 3 via two deflecting rollers 4 in the present example to a delay unit 1.
  • the person skilled in the art understands that no, only one or more than two deflection rollers 4 could be arranged between the tape roller 11 and the delay unit 1.
  • Behind the delay unit 1 the tape of the cutting machine 20 (in Figure 1 not shown) supplied.
  • the individual sheets of separating material 5 are separated from the band by means of a separate cutting device and inserted between the food slices 22 cut by a knife 21 of the cutting machine 20.
  • the drive comprises in particular a motor-driven roller over which the strip of separating material 2 is guided. It is conceivable that an air flow is introduced into the cutting area, over which the respective cut and intermittently shot sheet is by means of of the Venturi effect nestles against the front of the just cut food slice and then, when portioning the just cut food slice, lies under this food slice, which is then placed on the stack.
  • the delay unit 1 serves to delay the transport movement 3 of the belt along the transport direction caused by the drive in order to increase the transport resistance of the belt. In this way it is ensured that the tape is always under tension when it is unrolled from the tape roll 11 and the tape does not jump, kink, tear or jam off the tape roll 11 or the deflection rollers 4. In particular, it is achieved that only as much separating material 2 is unrolled from the tape roll 11 as the cutting machine 20 needs for the arrangement between the food slices 22.
  • the delay unit 1 comprises a suction means in the form of a flat suction plate 6 through which a multiplicity of suction openings 7 pass.
  • a fluid line 8, which is in fluid connection with the suction openings 7, is arranged on the rear side of the suction plate 6.
  • the fluid line 8 leads to a negative pressure generating unit in the form of a fan 9.
  • the fan 9 has a housing in which a fan wheel driven by an electric motor is arranged.
  • the fan wheel has a ring of inclined blades (not shown).
  • the angle of attack and the direction of rotation of the fan wheel are provided in such a way that the fan 9 sucks air from the fluid line 8 during its operation and conveys it to the outside.
  • the band running in the area of the suction plate 6 the band is sucked onto the suction plate 6 and clings flat to the suction plate 6.
  • the mechanical contact between the belt and the surface of the suction plate 6 leads to frictional contact, which increases the transport resistance of the belt.
  • the transport resistance depends directly on how strongly the tape is sucked onto the suction plate 6 and thus on the pressure difference between the negative pressure in the interior of the fluid line 7 and the ambient pressure.
  • the pressure difference depends on the delivery volume of the fan 9.
  • the speed of the fan wheel is optionally continuously controllable by means of a control unit, so that the pressure difference and thus ultimately the Transport resistance are continuously controllable. It is conceivable that the fan is regulated by means of a control circuit. For example, the speed of the fan wheel is regulated or at least controlled as a function of the unwinding and / or transport speed of the tape.
  • the suction plate 6 is detachably coupled to the fluid line, for example via a quick coupling, so that the suction plate 6 can be easily removed for maintenance and / or cleaning purposes and the delay unit 1 can also be equipped with different suction plates 6. It is conceivable that a plurality of suction plates 6 are provided, which vary in their dimensions, so that a suction plate 6 that is particularly suitable in terms of width can be mounted for each type of separating material 2. It is also conceivable that, in the case of the different suction plates 6, the number, size and / or distribution of the suction openings 7 in the suction plate 6 are adapted to the respective separating material 2
  • FIG. 2 A schematic side view of a cutting machine 20 is illustrated.
  • the cutting machine 20 has, in addition to the above based on Figure 1 explained unwinding device 10 also has a rotating knife 21 and product feed 24 and a portioning device 25.
  • the product feed 24 serves to feed one or more food bars 23, for example a cheese, sausage or ham bar, to the knife 21, whereby individual food slices 22 are separated from the food bar 23.
  • the food slices 22 then fall onto a conveyor belt of the portioning device 25, which is controlled in such a way that stacks 26 of at least partially overlapping food slices 22 are formed on the conveyor belt.
  • individual sheets of separating material 5 are shot into the cutting area of the knife 21 in such a way that a sheet of separating material 5 is arranged between the partially stacked food slices 22, whereby the stacked food slices 22 are separated from one another and do not stick to one another.
  • the separating material sheets 5 are separated from the tape by means of the separate separating device (not shown).
  • the sheet of separating material 5 is introduced into the cutting area in particular through a gap between the knife 21 and the portioning device 25.
  • the speed of the fan wheel is controlled or regulated as a function of the speed of the knife 21 and / or as a function of the conveying speed of the product feed with which the food bar 23 is fed to the knife 21.
  • the present cutting machine 20 is designed as a multi-lane cutting machine 20, so that several food bars 23 are cut and portioned in parallel at the same time.
  • the cutting machine 20 comprises at least a plurality of product feeds 24 arranged in parallel, in particular conveyor belts arranged in parallel and driven independently of one another, and optionally also a plurality of portioning devices 25 arranged in parallel.
  • the plurality of food bars 23 is preferably cut with only one knife 21 .
  • the unwinding device 10 accordingly comprises a multi-lane unwinding device so that individual sheets of separating material 2 can be arranged between stacked food slices 22 of each stack produced in parallel.
  • the multi-lane unwinding device 10 has, in particular, a plurality of tape rolls 11 arranged in parallel to provide a plurality of tapes of separating material 2, a corresponding plurality of drives arranged in parallel, a corresponding plurality of separating devices arranged in parallel and / or a corresponding plurality of delay units 1 arranged in parallel .

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Advancing Webs (AREA)
  • Details Of Cutting Devices (AREA)
  • Nonmetal Cutting Devices (AREA)

Claims (12)

  1. Machine de découpe (20) permettant de découper des barres d'aliments (23), présentant une lame (21) détachant d'au moins une barre d'aliments (23) des tranches d'aliments (22) qui sont disposées en se recouvrant au moins en partie pour former une portion de plusieurs tranches d'aliments (22), une feuille (5) d'un matériau de séparation (2) étant prévue entre au moins deux tranches d'aliments (22), dans laquelle la machine de découpe (20) présente un dispositif de déroulement (10) qui fournit le matériau de séparation (2) pour disposer la feuille (5) entre les deux tranches d'aliments (22) et l'injecte en particulier dans la zone de découpe,
    le dispositif de déroulement (10) présentant un rouleau de bande (11) pour fournir du matériau de séparation (2) et une unité de décélération (1), l'unité de décélération (1) étant placée en aval du rouleau de bande (11) le long du mouvement de transport (3) du matériau de séparation (2) ,
    l'unité de décélération (1) étant réalisée pour décélérer un mouvement de transport (3) d'un matériau de séparation (2) qui est déroulé du dispositif de déroulement (10) et est fourni dans une zone de découpe d'une machine de découpe (20), l'unité de décélération (1) présentant un moyen de génération de pression pour exercer une pression sur le matériau de séparation (2), caractérisée en ce que le moyen de génération de pression comprend un moyen d'aspiration pour aspirer le matériau de séparation (2) au moyen d'un vide.
  2. Machine de découpe (20) selon la revendication 1, dans laquelle le moyen d'aspiration comprend une plaque d'aspiration (6) dotée d'au moins une ouverture d'aspiration (7), l'ouverture d'aspiration (7) étant en communication fluidique avec une unité d'aspiration par l'intermédiaire d'une conduite de fluide (8).
  3. Machine de découpe (20) selon l'une quelconque des revendications précédentes, dans laquelle l'unité d'aspiration comprend une unité de génération de vide, en particulier un ventilateur (9), un tube de Venturi, une pompe à vide ou similaires.
  4. Machine de découpe (20) selon l'une quelconque des revendications précédentes, dans laquelle l'unité de décélération (1) présente une unité de commande pour commander la vitesse de rotation du ventilateur (9), l'unité de commande étant configurée en particulier de telle sorte que la vitesse de rotation du ventilateur (9) est commandée en fonction d'une vitesse de déroulement et/ou de transport du matériau de séparation (2).
  5. Machine de découpe (20) selon l'une quelconque des revendications 2 à 4, dans laquelle la conduite de fluide (8) est en relation active de manière amovible avec le moyen d'aspiration par l'intermédiaire d'un raccord rapide, l'unité de raccordement pouvant en particulier être raccordée à une pluralité de plaques d'aspiration (6) différentes et interchangeables.
  6. Machine de découpe (20) selon la revendication 1, dans laquelle le moyen de génération de pression comprend un moyen de pression permettant de presser le matériau de séparation (2) contre une surface d'appui par air comprimé, dans laquelle le moyen de génération de pression présente de préférence un compresseur ou un ventilateur pour générer l'air comprimé et/ou une buse pour générer un flux d'air orienté en direction du matériau de séparation (2).
  7. Machine de découpe (20) selon l'une quelconque des revendications 2 à 6, dans laquelle la lame (21) comprend une lame de découpe rotative et le moyen d'aspiration comprend une plaque d'aspiration (6) dotée d'au moins une ouverture d'aspiration (7) qui est en communication fluidique avec une unité d'aspiration sous la forme d'un ventilateur (9) par l'intermédiaire d'une conduite de fluide (8), dans laquelle l'unité de décélération (1) présente une unité de commande pour commander la vitesse de rotation du ventilateur (9) qui est configuré de telle sorte que la vitesse de rotation du ventilateur (9) est commandée en fonction d'une vitesse de déroulement et/ou de transport du matériau de séparation (2) et/ou de la vitesse de rotation de la lame (21) et/ou d'une vitesse de débit de la barre d'aliments (23) en direction de la lame (21).
  8. Procédé permettant de fournir un matériau de séparation (2), le matériau de séparation (2) étant déroulé d'un rouleau de bande (11) et fourni dans une zone de découpe d'une machine de découpe (20) selon l'une quelconque des revendications précédentes, le mouvement de transport (3) du matériau de séparation (2) du rouleau de bande (11) à la zone de découpe étant décéléré par l'unité de décélération (1), dans lequel, afin de décélérer le mouvement de transport (3), une pression est exercée sur le matériau de séparation (2) à l'aide du moyen de génération de pression, caractérisé en ce que le matériau de séparation (2) est aspiré par le moyen d'aspiration à l'aide d'un vide.
  9. Procédé selon la revendication 8, dans lequel, afin de décélérer le mouvement de transport (3), le matériau de séparation (2) est aspiré, en particulier en nappe, contre la plaque d'aspiration (6), le vide étant généré par une unité de génération de vide sous la forme du ventilateur (9) et qui est en communication fluidique avec au moins une ouverture d'aspiration (7) dans la plaque d'aspiration (6) par l'intermédiaire de la conduite de fluide (8).
  10. Procédé selon la revendication 9, dans lequel la vitesse de rotation du ventilateur (9) est commandée par l'unité de commande en fonction de la vitesse de déroulement et/ou de transport du matériau de séparation (2) et/ou de la vitesse de rotation de la lame de découpe rotative de la machine de découpe (20) et/ou de la vitesse de débit de la barre d'aliments (23) en direction de la lame (21).
  11. Procédé selon l'une quelconque des revendications 8 à 10, dans lequel le matériau de séparation (2) est pressé contre la surface d'appui par un moyen de pression à l'aide d'air comprimé.
  12. Procédé selon l'une quelconque des revendications 8 à 11, dans lequel des tranches d'aliments (22) sont détachées d'une barre d'aliments (23) au moyen de la lame (21), et dans lequel les tranches d'aliments (22) sont disposées en se recouvrant au moins en partie pour former une portion de plusieurs tranches d'aliments (22), une feuille (5) détachée du matériau de séparation (2) étant disposée entre au moins deux tranches d'aliments (22).
EP17825839.8A 2016-12-20 2017-12-20 Unité de décélération, dispositif de déroulement, machine de coupe et procédé de fourniture d'un matériau de séparation Active EP3558854B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016225558 2016-12-20
PCT/EP2017/083912 WO2018115178A2 (fr) 2016-12-20 2017-12-20 Unité de décélération, dispositif de déroulement, machine de coupe et procédé de fourniture d'un matériau de séparation

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EP3558854A2 EP3558854A2 (fr) 2019-10-30
EP3558854B1 true EP3558854B1 (fr) 2021-06-02

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US (1) US11014258B2 (fr)
EP (1) EP3558854B1 (fr)
ES (1) ES2883362T3 (fr)
WO (1) WO2018115178A2 (fr)

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DE102017118921A1 (de) * 2017-08-18 2019-02-21 Weber Maschinenbau Gmbh Breidenbach Bereitstellen von bahnförmigem Zwischenblattmaterial an einem Schneidbereich
ES2934000T3 (es) 2018-10-18 2023-02-15 Gea Food Solutions Germany Gmbh Unidad de aportación de láminas de separación, dispositivo de corte así como procedimiento para el funcionamiento de una unidad de aportación de láminas de separación y de un dispositivo de corte
DE102020128533A1 (de) * 2020-10-29 2022-05-05 Weber Maschinenbau Gmbh Breidenbach Aufschneidevorrichtung
DE102021116617A1 (de) 2021-06-28 2022-12-29 Multivac Sepp Haggenmüller Se & Co. Kg Mehrspuriger Interleaver-Slicer sowie Verfahren für dessen Betrieb

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DE2117839A1 (de) * 1971-04-13 1972-10-19 Unilever Nv Verfahren und Vorrichtung zum Sortieren und zur Bildung von Stapeln von Lebensmittelscheiben
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Publication number Publication date
ES2883362T3 (es) 2021-12-07
US11014258B2 (en) 2021-05-25
WO2018115178A3 (fr) 2018-08-23
WO2018115178A2 (fr) 2018-06-28
EP3558854A2 (fr) 2019-10-30
US20190329438A1 (en) 2019-10-31

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