EP3848168A1 - Préparation de produits alimentaires - Google Patents

Préparation de produits alimentaires Download PDF

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Publication number
EP3848168A1
EP3848168A1 EP21157918.0A EP21157918A EP3848168A1 EP 3848168 A1 EP3848168 A1 EP 3848168A1 EP 21157918 A EP21157918 A EP 21157918A EP 3848168 A1 EP3848168 A1 EP 3848168A1
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EP
European Patent Office
Prior art keywords
slicing
product
portions
per unit
time
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.)
Pending
Application number
EP21157918.0A
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German (de)
English (en)
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 Food Technology GmbH
Original Assignee
Weber Maschinenbau GmbH Breidenbach
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Publication date
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Application filed by Weber Maschinenbau GmbH Breidenbach filed Critical Weber Maschinenbau GmbH Breidenbach
Publication of EP3848168A1 publication Critical patent/EP3848168A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D2210/00—Machines or methods used for cutting special materials
    • B26D2210/02—Machines or methods used for cutting special materials for cutting food products, e.g. food slicers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D2210/00—Machines or methods used for cutting special materials
    • B26D2210/02—Machines or methods used for cutting special materials for cutting food products, e.g. food slicers
    • B26D2210/08—Idle cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • 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
    • B26D7/30—Means for performing other operations combined with cutting for weighing cut product

Definitions

  • the invention relates to a method for generating a plurality of streams of portions, each comprising one or more slices which have been obtained by slicing food products by means of a slicing device, in particular a high-speed slicer.
  • the invention also relates to a device which, among other things, comprises a control device which is designed to control the device according to a method according to the invention.
  • the invention also relates to a method for operating a plant for processing food products, which includes several components, namely a device for slicing the food products, in particular a high-speed slicer, and one or more devices downstream of the slicing device for handling portions, each one or more include slices obtained by cutting.
  • the invention also relates to a system for processing food products, which among other things comprises a control device which is designed to operate the system according to a method according to the invention.
  • Such methods and devices are known in principle.
  • the slicing device When slicing food products, ie when operating systems also known as production lines, which include one or more slicing devices, especially high-performance slicers, the slicing device has so far formed the "heart" of the system insofar as the operation of the slicing device determines the processes of all other system components . This results in in practice to problems that are either accepted or that are met with a high level of design and control engineering effort.
  • a fundamentally desired continuous flow of portions in the direction of a unit downstream of the slicing device (also simply: slicer), in particular a packaging machine, cannot be implemented if pauses or interruptions occur in the portion flow.
  • Such interruptions inevitably occur, for example, when the slicer is loaded with new products.
  • buffer devices between the slicer and the packaging machine which has the disadvantage, among other things, that such devices enlarge the entire system.
  • Maintaining an at least somewhat continuous portion flow in a multi-lane system, the slicer of which simultaneously slices adjacent products in several lanes, turns out to be particularly complex. Differences on the supply side in the individual lanes can be seen in the individual portion streams behind the slicer, in particular in the form of gaps in the individual portion streams. In particular, incomplete portion lines can arise which can only be processed further with difficulty or not at all by the devices following the slicer.
  • Countermeasures are currently comparatively long buffer sections and / or a plurality of so-called transverse distributors in the area of the conveying and sorting sections. The more lane a system is, the greater the effort, especially with regard to the complexity and the costs of the system. Even that which is technically feasible fails in practice either because of the high costs or because the portion throughput is too low, since above all closing gaps in the portion flow takes a lot of time, especially for the so-called transverse distribution and the associated stopping of portions.
  • the object of the invention is to remedy this and to provide possibilities, especially when using multi-lane slicing devices without unacceptable losses in cutting speed and weight accuracy for the simplest and most continuous handling of the portions produced by means of the slicing device on the way to a downstream unit, in particular one Packing machine to take care of.
  • the general inventive idea with which this object is achieved consists in an intelligent operation of the slicing device or the system containing one or more slicing devices, in which circumstances such as in particular special operating situations or special operating states are taken into account that were previously at least for the operation of the slicing device played no or only a subordinate role.
  • the method for generating several streams in which products lying next to one another in several tracks are fed to a cutting knife of the slicing device moving in a cutting plane, slices are separated from the products by means of the cutting knife, and portions are formed from the separated slices , and the portions are transported in several streams to a downstream unit, in particular a packaging machine, according to the invention it is provided that the occupancy of the flows is recorded and the slicing is carried out as a function of the recorded occupancies.
  • the "occupancy" of a portion stream is to be understood as the number of portions that are in a stream, based on a unit of length of the transport route along which the portions flow and / or based on a unit of time within which portions are in the Electricity.
  • the occupancy of a stream can consequently also be referred to as the degree of filling of the device under consideration or of the devices under consideration in connection with the slicing device.
  • This concept of the invention represents a possibility of controlling the slicing - that is, the operation of the slicing device - as a function of a situation at one or more devices of the overall system that is or are downstream of the slicing device.
  • the slicer is controlled by the downstream transport path or a part thereof.
  • a so-called insert which forms part of the transport path, can control the product feed which forms part of the slicer.
  • An insert is designed to transfer format sets comprising a plurality of portions one after the other to a downstream unit, in particular to a packaging machine.
  • a regulation can take place in such a way that the slicer increases the portion output in a lane of the product feed that corresponds to a relatively undercrowded stream or in a lane of the product feed that is relatively corresponds to overcrowded electricity, the portion output is reduced.
  • the allocation of the currents or a variable stored therefrom consequently represent the controlled variable.
  • continuous portion flows can be implemented in the direction of the downstream unit, at least in terms of time average.
  • those devices of the transport path between the slicer and the packaging machine that serve to buffer portions and to form format sets from the portions can be operated optimally with continuous portion flows, particularly with regard to throughput and accuracy, with minimal space requirements at the same time.
  • inserter the process of inserting the portions or format sets in packaging or for the transfer of the portions or format sets to a packaging machine by a so-called inserter.
  • the cutting is carried out on a track-by-track basis as a function of differences in the assignments of the individual streams. Differences in the occupancy of the currents can consequently be taken into account when operating the slicing device.
  • the cutting is carried out in such a way that differences in the occupancy of the individual streams are minimized.
  • a control can therefore take place in such a way that the individual recorded occupancies or a variable derived therefrom forms the actual value and consequently serves as a control variable, the intended minimization of differences in the occupancies representing the setpoint and consequently serving as the control variable for the control.
  • the invention is not limited to any particular way of detecting the occupancy of the currents.
  • the occupancy of the streams can be recorded by recognizing gaps between the portions of a respective stream.
  • the assignments of the Streams are each detected by determining the portion throughput in a respective stream.
  • One advantage of the invention is that it can be integrated into the control of existing systems purely in terms of software. Any data determined during the conventional operation of a system can be used to determine a measure for the allocation of portions to the flows.
  • the detection of gaps and the determination of portions entering a stream per unit of time is known per se, but has so far been used for other purposes.
  • Detection devices are basically known which are arranged at one or more points on the transport route between the slicer and packaging machine and are able to differentiate between the presence of a portion and the absence of a portion on the respective device of the transport route. As a result, it is not only possible to determine the presence of gaps per se, but also how many gaps per unit of time are detected at a specific point or in a specific stream.
  • the portion throughput can be determined, for example, by counting portions that pass one or more measuring points per unit of time.
  • the method according to the invention can use these data, which are already present, in order to carry out the slicing or the operation of the slicing device in the manner according to the invention.
  • the occupancy in a respective stream is changed by changing the portion output in an assigned track of the slicing device.
  • the portion output is the number of portions produced per unit of time. As a result, increasing the portion output increases the occupancy of the relevant stream, and vice versa.
  • the occupancy in a respective stream can be changed by changing at least one property of at least one portion in an assigned track of the slicing device.
  • the occupancy in a respective stream is changed by changing the portion yield per product in an assigned lane of the slicing device.
  • the portion yield is the number of portions produced per product, which are therefore produced without a loading interruption that would reduce occupancy. An increase in the portion yield increases the occupancy of the relevant stream, and vice versa.
  • the occupancy in a respective stream is changed by changing the number of loading interruptions in an assigned track of the slicing device.
  • the occupancy in a respective stream is changed by changing a setpoint value for the portion weight in an assigned track of the slicing device.
  • At least one predetermined tolerance can be used here, in particular a tolerance for the portion weight and / or a tolerance for the total weight of a batch comprising a plurality of portions.
  • overweight or underweight portions are consequently generated in a targeted manner within a framework permitted by the one or more tolerances, which can be specified in particular by a regulation - e.g. an FPV (explained in more detail elsewhere).
  • a regulation - e.g. an FPV expressed in more detail elsewhere.
  • the next interruption in loading occurs earlier and the occupancy in the relevant stream is consequently reduced, while in the case of underweight cutting it takes longer until the next interruption in loading and thus the occupancy in the relevant stream is increased.
  • fewer portions can be produced - based on a certain product length - than in the case of underweight cutting, so that the next loading interruption takes place earlier or later accordingly.
  • the occupancy in a respective stream is changed by changing a product sequence in an assigned track of the slicing device, taking into account one or more product criteria.
  • a product criterion can be, for example, the product weight, the product density, the product contour, the product structure and / or the product length.
  • the products to be sliced are consequently brought into a specific sequence on the loading and / or supply side, which, on the basis of the recorded occupancies, either leads to more frequent or less frequent loading interruptions.
  • This can be done, for example, by combining, sorting and rearranging the products. If, for example, relatively heavy and / or relatively long products are cut open one after the other, this reduces the number of interruptions in loading, which increases the occupancy in the relevant stream, and vice versa.
  • the occupancy in a respective stream is changed by changing the product length in an assigned lane of the slicing device, in particular by combining, sorting, rearranging, dividing and / or combining products.
  • the product length can also take place by means of a cutting interruption followed by renewed cutting, but the product residue still present at the cutting interruption remains on the product holder.
  • the product length - and consequently the number of products sliced per unit of time - is "artificially" changed, so to speak. If a product is divided, this requires an additional interruption in loading, which would not have occurred without the product being divided.
  • a device for generating multiple streams of portions, each comprising one or more slices, comprises a slicing device, in particular a high-speed slicer, for generating the slices by slicing food products, at least one transport device for transporting the portions in multiple streams to a downstream unit, in particular a packaging machine, a detection device for detecting the occupancy of the flows, and a control device which is designed to control the device according to a method as explained above.
  • the method for operating a plant for processing food products provides that the operation of the plant is at least partially carried out by one of the components and the lead is given to one of the other components as a function of a change.
  • the system components include a device for slicing the food products, in particular a high-speed slicer, as well as one or more devices for handling portions downstream of the slicing device.
  • the leading component in each case can be referred to as the "master”, while the other components can be regarded as “slaves”.
  • the downstream components are, in particular, transport devices such as portioning devices, grouping devices, buffer devices and inserts, as well as a packaging machine.
  • the leading component in each case does not have to manage the operation of the entire system.
  • the concept of this aspect of the invention can also be implemented if only part of the plant operation is carried out and management is relinquished when the situation changes.
  • a part of the operation of the system can be, for example, the so-called "clock specification”. This is the specification in which the cutting cycles given by the movement of the knife of the slicing device are either cut off slices (and thus portions get into the downstream devices) or so-called blank cuts are carried out.
  • the respective leading component consequently determines the portion output in the relevant lane of the product feed of the slicing device.
  • change in this aspect of the invention is to be understood broadly.
  • a “change” in this sense can be the change from one operating phase to the next operating phase, but also, for example, a disruption during an operating phase.
  • the criteria for a change in management can be selected in such a way that the most suitable "master" is selected for the new operating situation that arises, ie a switch is made to that component of the system which best controls the system operation in this operating state - with regard to specified criteria can.
  • Switching between two successive operating phases can take place, for example, during loading breaks, when changing cutting programs or when changing predefinable cutting parameters.
  • Switching to another "master” can also take place during ongoing system operation and consequently depending on the respective operating status.
  • the output of the guide can take place automatically according to specifiable system and / or component parameters or certain threshold values (which relate for example to product parameters and / or system parameters), in particular parameters or threshold values that are continuously monitored anyway.
  • These parameters can be, for example, the number of blank cuts per unit of time, in order to be able to recognize an accumulation of blank cuts in this way, for example.
  • Overfilling or underfilling of buffer facilities can also be detected and give rise to a change in management.
  • a switch to another "master" can also take place after predefinable manual actions or current events while the system is in operation.
  • a current occasion can, for example, be a The start of cutting in the sense of a start-up of the system or a malfunction.
  • a prescribable manual action can be, for example, an increase in the speed of the cutting knife or a specific pause function.
  • This inventive concept enables extremely flexible operation of a plant for processing food products, since the respective leading component can be changed quickly and in principle according to any criteria and for any reason.
  • special operating phases such as starting up the system or the controlled emptying of the system or a certain system component can be mapped or controlled very well by a corresponding sequence of management changes.
  • a specific example that can illustrate this aspect of the invention is an operating situation in which a film change is pending in the packaging machine. If the film change is foreseeable, the packaging machine takes over the management of the system. The central system control evaluates a signal from the packaging machine about the expected end of the film, whereupon a feedback to the cutting device and / or to one or more buffer devices takes place in order to either cause the system to be actively emptied or to ensure that the cutting device is loaded accordingly .
  • the guidance can consequently be given between two successive operating phases.
  • the tour can be handed over during an operating phase.
  • the method explained at the beginning for generating a plurality of streams of portions can be used as one of a plurality of possible "Operating modes" are to be considered, which can result in a plant operation if the plant component in question is the "master". Accordingly, it can be provided that after the guidance has been given to a downstream transport device, in particular to a buffer device, the allocation of the portion streams is recorded in the latter and the slicing is carried out as a function of the recorded allocation.
  • the portion output of the slicing device is changed.
  • the portion output can in particular be changed according to a further aspect of the invention, which is explained below and in which the number of blank slices per unit of time is changed.
  • the number of blank cuts performed by the slicing device per unit of time is at least temporarily changed as a function of the operating situation.
  • Blank cuts are conventionally used to briefly cut no slices from a product so that a portion produced from the previous slices can be transported away before the slicing of the next portion begins.
  • the time span between two slices cut off immediately one after the other, i.e. without a blank cut is usually too short to be able to transport a finished portion from the area on which the cut-off slices fall to form the portion.
  • blank cuts can also be used specifically to influence the portion output in a respective lane in order to thereby reacting to certain operating situations or to changes in the operating status of one of the other components of the system.
  • a regulation is carried out in which the number of idle cuts per unit of time is the manipulated variable.
  • the portion output of the slicing device is adapted to the operation of a downstream packaging machine.
  • the portion output of the slicing device is increased following an at least partial emptying of a downstream transport device, in particular a buffer device.
  • the product beginnings can often be critical insofar as the size and thus the weight of slices directly following one another can vary comparatively strongly.
  • the slicing process can be slowed down by increasing the number of blank slices.
  • the accuracy of the regulation of this portion scale can be increased in that the so-called regulation offset is drastically minimized by increasing the number of empty cuts.
  • the portion output can then be increased by reducing the number of blank cuts per unit of time.
  • the change in the number of blank cuts per unit of time thus takes place within the framework of the regulation of a portion scale.
  • the portion output of the slicing device is varied over time in accordance with the operation of a downstream insert, which is designed to successively send format sets comprising a plurality of portions to a packaging machine to hand over.
  • the degree of filling of an insert can consequently be influenced by the number of blank cuts per unit of time. If, for example, the control device of the system registers a stop signal on the insert, the number of blank cuts per unit of time can be increased by, for example, always making two blank cuts whenever an empty cut is to be made anyway. This “excessive increase” in the number of blank slices consequently already ensures a reduction in the number of portions per unit of time which reach the devices downstream of the slicing device at the slicing device.
  • this "increase" of the number of blank cuts ensures that the number of blank cuts flows more strongly into this regulation, that is to say into the blank cut evaluation carried out by the control device.
  • process monitoring can be carried out by the control device regulating the operation of the system via the blank cuts carried out on the slicing device.
  • this enables the slicer operation to be better adapted to a packaging machine than before.
  • This concept is also advantageous insofar as, after a buffer device of the system has run empty, this residue can be made up again by means of the slicer or the slicing operation by increasing the portion output.
  • this intelligent blank cut management can therefore contribute to process optimization in the system.
  • this inventive concept it is possible to react to a change in the operating situation or the operating state of one of the system components by changing the number of blank cuts per unit of time, in order to adapt the portion output accordingly.
  • the change in the number of blank cuts per unit of time can be a targeted measure which the control device of the system takes in order to specifically change the operating situation or the operating state of one or more specific system components.
  • the number of blank cuts can be increased, which causes the control evaluating the number of blank cuts to slow down a transport or loading process, as a result of which the products are spared or the accuracy of the measurement of the products is increased.
  • a change in the number of blank cuts per unit of time can relate unspecifically to a time average.
  • the number of blank cuts can also be changed in that whenever a predetermined number of blank cuts is carried out, this number is deliberately increased or decreased. If, for example, a blank cut is provided between two consecutive portions in a specific application for proper removal of generated portions, this number can be increased from one to two or three, for example, for a temporary, targeted increase in the number of blank cuts.
  • a method for operating a system for processing food products provides that, taking into account the operating state of at least one of the downstream devices and / or a product supply, the slicing device is operated in such a way that when whole products or predetermined sections of Products are each continuously formed into portions.
  • the slicing is only started when a predeterminable or predefined occupancy of at least one portion stream of at least one downstream device is not reached.
  • the slicing of a whole product or a plurality of whole products immediately following one another can therefore begin as late as possible, but as early as necessary.
  • a differentiation can be made according to the individual streams of the downstream facilities under consideration, it can be differentiated according to differences between individual streams, or it can be differentiated according to the individual downstream facilities.
  • the total occupancy with portions can be taken into account without differentiating between individual streams, differences between individual streams or individual downstream devices.
  • the portion output and / or the format set output and / or the occupancy of an insert can be taken into account as an operating state taken into account.
  • the results of a product measurement are taken into account, which is carried out in the feed path of the products before the slicing device or at least before the cutting plane.
  • operating conditions are changed when the portion formation is interrupted.
  • a change in the operating conditions can consequently be waited until after a whole product has been completely sliced.
  • foreseeable or already planned changes to the operating conditions i.e. those changes that are not required due to random events, can be targeted in the event of an inevitable (between two whole products) or an already planned (between two sub-areas of a product) interruption of the portion formation be made.
  • such a shim can also be cut off after an unforeseen interruption. Due to the above-mentioned effects of compressing and relaxing the product, there is a high probability that the first slice will not have the desired quality after an interruption, so that a consistent cutting quality can be achieved with such compensating disks, which are subsequently removed from the process .
  • the slicing device is operated as a function of the allocation of the portion streams.
  • the method according to the invention for generating a plurality of streams of portions can be used in particular in accordance with the initially explained method.
  • This initially explained method for generating multiple streams of portions in which the allocations of the streams are recorded and the slicing is carried out as a function of the recorded allocations, can consequently be used as a further development or supplement, in particular in the sense of a "refinement" of the general idea here presented invention concept are considered to make an - apart from regular blank cuts - interruption-free cutting generally dependent on an operating state. In this operating state, there can either be differences in occupancy between the individual portion streams or a total occupancy of the downstream system parts independent of occupancy differences.
  • a general advantage of this inventive concept is that the time between production and processing, especially packaging, of the portions is minimized, since a whole product or a whole predetermined product part is cut open continuously and thus it is ultimately guaranteed that the sequence produced in this way is immediately after one another formed portions can be processed further directly by the downstream system components. In other words, this means that the portions produced are no longer open for as long as can be the case in the prior art.
  • the invention also relates to a system for processing food products, which has a device for slicing the products, in particular a high-speed slicer, one or more devices downstream of the slicing device for handling portions, each comprising one or more slices obtained by the slicing, and a control device which is designed to operate the system in accordance with one of the above-explained methods according to the invention for operating a system for processing food products.
  • a device for slicing the products in particular a high-speed slicer
  • one or more devices downstream of the slicing device for handling portions each comprising one or more slices obtained by the slicing
  • a control device which is designed to operate the system in accordance with one of the above-explained methods according to the invention for operating a system for processing food products.
  • An essential advantage of the invention is that incomplete format sets and gaps in the portion flow, especially at the insert or buffer, can be avoided or at least minimized with regard to the frequency of their occurrence, which is particularly advantageous in the case of multi-lane slicing devices with individual lane product feed.
  • the creation of format sets and the closing of gaps can be done easily and quickly with minimal equipment expenditure, even when two or more lanes are cut and a two or more lane transport path for the portions produced is connected to the slicing device is present, ie when the portions are fed in two or more streams to the downstream unit, which is in particular a packaging machine.
  • the invention saves technical effort. Furthermore, downtimes can be reduced, which would otherwise result from manual corrections of the portion streams or the format sets, for example. In addition, a high degree of flexibility of the overall system can generally be achieved.
  • the invention can make a large number of transverse distributions of portions superfluous.
  • at least with relatively large differences in occupancy between the individual streams in a buffer device i.e. either due to undercrowding or overcrowding (in at least one of the streams)
  • there would possibly be gaps in one of the streams which could even lead to empty packs.
  • a corresponding automation could possibly avoid such negative phenomena.
  • the advantages according to the invention therefore come into play particularly when multi-lane, in particular three- or four-lane, cut open or when a particularly variable format set formation is desired.
  • the invention can relieve the devices downstream of a slicing device for processing portion streams and also ensure a manageable technical effort for these downstream devices.
  • multi-lane cutting and multi-lane format set formation can be designed particularly efficiently by the invention.
  • the system according to the invention comprises a two-lane slicer 15 in this example, which comprises a loading device 39 and a product feed 37.
  • the loading device 39 is used to introduce food products to be sliced, such as sausage bars, cheese bars, ham or pieces of meat into the slicer 15.
  • a product holder 38 also referred to as a product gripper, is shown schematically for each of the two lanes, which is designed to engage with a rear product end in order to feed the product 13 in the direction of a cutting plane 19 in which a cutting knife is located of the slicer 15 moves.
  • the structure and mode of operation of a high-speed slicer will not be discussed in detail at this point. This is known in principle to the person skilled in the art.
  • the slicer 15 and the devices downstream of the slicer 15, which will be discussed in more detail below, are each designed with multiple lanes, here two lanes. This is indicated in the figure by the dash-dotted line.
  • the system according to the invention can additionally comprise devices connected upstream of the slicer 15, which are not shown in the figure.
  • Such an upstream device can in particular be a so-called product scanner, with which the outer product contour and / or the inner product structure can be determined.
  • These product data can be used by a central control device 35 to control the product feed 37 in such a way that the portions 11 produced by the separation of slices from the products 13 have a certain portion weight, possibly within a predetermined tolerance. Since the products 13 fed to the two tracks can be different, the product holders 38 can be moved independently of one another in the feed direction, at least within certain limits.
  • the person skilled in the art speaks of a track-specific product feed 37.
  • the portions 11 are created from the severed product slices on a portioning device 27 directly adjoining the cutting plane 19.
  • one or more blank cuts are made after the last severed slice of a portion predetermined cutting cycle moving cutting knife the product supply 37 is stopped in the relevant track.
  • Such blank cuts are therefore regular blank cuts in the context of portioned slicing.
  • the other components of the system shown in the figure are a grouping device 29, two buffer devices 31 and an insert 33. These components do not need to be discussed in detail at this point, since the structure, purpose and mode of operation of such devices are known to those skilled in the art are.
  • the purpose of the overall system is ultimately to generate format sets from several portions 11, which have a predetermined arrangement and alignment of the portions 11 with one another (a 2 ⁇ 3 matrix in the figure) and which are fed to a packaging machine 21 by means of the insert 33.
  • This can be done, for example, in that the insert 33 has individual format sets placed one after the other in packagings, which are present, for example, in the form of plastic trays (so-called "trays") and in practice are mostly produced on site in the packaging machine 21, for example from a film in a deep-drawing process.
  • the points between the portioning device 27 and the grouping device 29 and between the two buffer devices 31 each indicate that further system components can be provided here.
  • the portioning device 27 can be connected to a portion scale which informs the control device 35 of the actual portion weight of each portion 11 produced.
  • One or more further buffer devices 31 can be located between the two buffer devices 31 shown.
  • the figure indicates purely schematically a state possible in practice in which a product 13 is cut open in one - here the right - lane, while a product 13 is cut open in the left lane and with the cutting of the next product 13 has not yet started.
  • Such an operating state is one of many potential causes that in practice there is no continuous portion flow following the slicer 15, ie in at least one track, i.e. one of the two portion flows in the figure, gaps 23 arise as shown in the figure are shown purely by way of example once on the portioning device 27 and once on the grouping device 29.
  • the figure shows a situation that was previously unavoidable in the prior art.
  • the invention makes it possible to avoid the creation of such gaps 23.
  • one aspect of the invention is to record the occupancy of the individual portion streams and to cut the products 13 by means of the slicer 15 as a function of the recorded occupations.
  • the details of the invention set out in the introductory part will not be discussed again at this point.
  • the occupancy of the individual streams or the differences in the occupancy of the individual streams can be detected.
  • the detection device 25 can either be designed to determine the number of portions 11 passing the relevant measuring point per unit of time or the presence of a portion 11 on the grouping device 29 shown here as an example of detection of a lack of a portion 11 - that is, of a gap 23 - to distinguish.
  • the detection device 25 like the other system components downstream of the slicer 15 and the packaging machine 21, is connected to the aforementioned central control device 35 of the system.
  • a targeted underweight or overweight cutting for a portion flow can take place using one or more predetermined weight tolerances.
  • the actual portion weight can be determined, for example, by a so-called FPV scale (not shown in the figure), which serves as a check scale at the end of the entire slicing and packaging line.
  • the slicer 15 can then be used to cut the portions 11 either slightly heavier or slightly lighter for completion in the individual streams.
  • use can be made of the fact that within a batch a proportion of - depending on the relevant provisions - for example 2% of portions 11 which deviate from a predetermined portion weight is permissible.
  • portions 11 for comparatively empty streams which therefore have a "shortage" of portions 11, tend to be cut more easily, ie more portions 11 are obtained from one product 13 and a respective underweight the relevant portions 11 is accepted.
  • Such overweight or underweight cutting is preferably carried out in combination with already known setting options and parameters for forming portions 11 on the slicer 15.
  • the invention consequently makes it possible to “balance” the individual flows over time, especially in the area of the buffer devices 31, and nevertheless to adhere to the general conditions of the prepackaging ordinance (FPV) during the production of a batch of portions.
  • FV prepackaging ordinance
  • differences in the allocation of the individual streams can be compensated for by intelligent pre-sorting of the products to be sliced before loading and cutting and / or intelligent pre-division of the products or division of the products in one in the Control running cutting program takes place before cutting.
  • various additional devices can be used as aids, for example a loading buffer, a loading magazine or a display to support an operator, for example in the form of a traffic light system that recommends manual loading, removal, addition or re-sorting to the operator especially after a product scanner.
  • a product scale can be provided as a further aid.
  • a product measurement is carried out beforehand so that the products can be intelligently divided depending on the relevant product data.
  • known X-ray scanners can be used in principle to detect holes for the cutting of cheese.
  • this product data obtained through the measurement can be used for the regular, track-specific product feed in the slicer. An additional product scanner is then not required.
  • all relevant properties of the respective products can serve as the basis for this use of the product data, in particular the product weight, the product density, the product contour (outer shape), the product length and the internal product structure.
  • the product structure is generally determined by the distribution of the individual product components. Holes contained in a cheese product can also be referred to as a product component in this sense, since the number, size and distribution of the holes determine how the product can be cut into slices and portions, the specified conditions such as slice thickness, slice weight, number of slices per Portion and portion weight must meet.
  • Other relevant product components are fat and other additives, the proportion and distribution of which in the product are determined and can be incorporated into the control of the product supply.
  • the inlay 33 that controls the slicer and the device for dividing the products. This means that the division of the products in the feed area can already take into account the requirements in the individual tracks or streams with regard to the tendency towards thicker or thinner slices.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Processing Of Meat And Fish (AREA)
  • Meat, Egg Or Seafood Products (AREA)
EP21157918.0A 2017-03-20 2018-02-01 Préparation de produits alimentaires Pending EP3848168A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017105919.9A DE102017105919A1 (de) 2017-03-20 2017-03-20 Verarbeitung von Lebensmittelprodukten
EP18154776.1A EP3378616B1 (fr) 2017-03-20 2018-02-01 Traitement des produits alimentaires

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EP18154776.1A Division-Into EP3378616B1 (fr) 2017-03-20 2018-02-01 Traitement des produits alimentaires
EP18154776.1A Division EP3378616B1 (fr) 2017-03-20 2018-02-01 Traitement des produits alimentaires

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DE102017116317B4 (de) 2017-07-19 2023-01-12 Holger Müller Verfahren zur Steuerung von Formmaschinen
DE102019123953A1 (de) * 2019-09-06 2021-03-11 Weber Maschinenbau Gmbh Breidenbach Verfahren zum mehrspurigen Erzeugen und Transportieren von Portionen
DE102020112863A1 (de) 2020-05-12 2021-11-18 Tvi Entwicklung Und Produktion Gmbh Gewichts-Variations-Verfahren sowie Aufschneidemaschine zu seinem Betrieb
DE102022111651B3 (de) * 2022-05-10 2023-08-24 Provisur Technologies, Inc. Fördereinrichtung für Nahrungsmittelprodukte und zugehöriges Betriebsverfahren
DE102022130350A1 (de) * 2022-11-16 2024-05-16 Multivac Sepp Haggenmüller Se & Co. Kg Verfahren zum Betreiben einer Verpackungslinie sowie hierfür geeignete Verpackungslinie
DE102022132750A1 (de) 2022-12-09 2024-06-20 Multivac Sepp Haggenmüller Se & Co. Kg Zuführsystem und Verfahren zum Bilden und Transportieren von aus Produkten zusammengefasster Gruppen

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Also Published As

Publication number Publication date
PL3378616T3 (pl) 2021-12-20
EP3378616B1 (fr) 2021-06-30
EP3378616A3 (fr) 2018-12-12
EP3378616A2 (fr) 2018-09-26
ES2886954T3 (es) 2021-12-21
DE102017105919A1 (de) 2018-09-20

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