EP1094005B1 - Verfahren und Vorrichting zum Verpacken von pastösen Lebensmitteln - Google Patents

Verfahren und Vorrichting zum Verpacken von pastösen Lebensmitteln Download PDF

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Publication number
EP1094005B1
EP1094005B1 EP00830679A EP00830679A EP1094005B1 EP 1094005 B1 EP1094005 B1 EP 1094005B1 EP 00830679 A EP00830679 A EP 00830679A EP 00830679 A EP00830679 A EP 00830679A EP 1094005 B1 EP1094005 B1 EP 1094005B1
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EP
European Patent Office
Prior art keywords
elements
wrapper
wrappers
feeding
blank
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EP00830679A
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English (en)
French (fr)
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EP1094005A3 (de
EP1094005A2 (de
Inventor
Alessandro Grazia
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CORAZZA SpA
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CORAZZA SpA
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Publication of EP1094005A3 publication Critical patent/EP1094005A3/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products

Definitions

  • the present invention relates to a process and apparatus for packaging a pasty food product, such as a processed cheese portion, a stock cube, butter, margarine and the like, in an appropriate wrapper.
  • the invention applies to a wrapper of the type made from a blank of suitable shape which is folded to make the wrapping to receive the product.
  • known apparatus for the packaging of products of this type generally comprise means for feeding a blank from which the container for the product is made, means for folding the blank into a shape suitable for receiving the product, means for feeding the wrapper after it has been folded into a cupped shape suitable for receiving the product, means for inserting the product into the wrapper once the latter has been folded in the filling configuration, and means for closing the wrapper containing the product.
  • the wrapper is fed from one machine station to another, stopping at each station long enough to allow one of the above mentioned operations to be carried out.
  • the steps of folding a flat blank or sheet into a cupped wrapper, inserting the product into the cupped wrapper and closing the top of the wrapper are speeded up to a very high degree.
  • the blank from which the wrapper is made is subjected to considerable stress and must therefore be made of a sufficiently thick, resistant material. Otherwise, the wrapper is likely to be damaged during the wrapping process and holes or microscopic holes in the wrapper allow the food product to come into contact with the atmosphere, creating the risk of contamination or accelerating the natural decaying process.
  • the wrapper must therefore be made from a good quality and/or suitably thick material in order to provide a sufficient guarantee of resistance. All of this leads to high costs which manufacturers must sustain to wrap their products.
  • the means for feeding the flat blank and the means for feeding the wrapper in the cupped configuration suitable for receiving the product consist of carrousels which cross each other at the point where the wrapper is folded into a cupped shape. This makes the feed means extremely cumbersome and limits the number of products being wrapped in the machine at any one time.
  • the present invention provides a process for packaging food product according to claim 1 and an apparatus according to claim 3.
  • the productivity of the present packaging apparatus is significantly higher than that of machines known up to now, which means that, to obtain the same productivity as that provided by known machines, the packaging operations can be performed more slowly, thus subjecting the wrappers to less stress.
  • the apparatus therefore makes it possible to use wrapping materials that are less resistant and that cost less, thereby lowering the packaging costs of the products.
  • Figure 1 in the accompanying drawings shows a first preferred embodiment of the apparatus 20 according to the present invention for packaging pasty food products such as, for example, processed cheese portions which are preferably in the shape of a triangle or circular sector, but which may also have the shape of a square, rectangle, circle or any other geometrical figure.
  • pasty food products such as, for example, processed cheese portions which are preferably in the shape of a triangle or circular sector, but which may also have the shape of a square, rectangle, circle or any other geometrical figure.
  • the present apparatus might, for example, be used to package products in wrappers of the type forming the subject-matter of Italian patent application No. BO99A000377 by the same applicant as the present.
  • the present preferred embodiment of the apparatus essentially comprises a frame 21 that supports wrapper feed means 22, 26 at operating means for packaging the product in a wrapper.
  • These operating means of the first apparatus basically comprise means 24 for folding the blanks into a cupped configuration suitable for receiving the product, means 28 for inserting the product into the wrapper blank when the latter is in the folded, filling configuration, and means 30, 32 for closing the wrapper containing the product.
  • these operating means work to wrap the product while the wrapper is actually moving forward along the packaging line.
  • the present invention advantageously enables the packaging operations to be performed in motion. This enables higher productivity or, conversely, makes it possible to perform the same packaging operations at a lower speed to obtain the same productivity but subjecting the wrapping material and machine components to less stress and strain.
  • the scope of the invention includes apparatus in which only one or some of the above mentioned packaging operations are performed in this way or apparatus in which the application of the process according to the invention is limited to one or some preferred sections of the machine.
  • the motion of the wrapper feed means 22, 26 that convey the wrappers is continuous, or substantially continuous, and the normal feed cycle does not require the wrappers to be stopped or slowed down.
  • the machine only stops in the event of faults or unexpected events along the line.
  • the invention provides for the feeding of the wrappers at a constant speed.
  • the feeding of the wrappers is performed, in particular, by first means 22 which feed the blanks and which enable the wrappers to be formed into a cupped shape suitable for receiving the product, and by second feed means 26, which receive the wrappers folded into a cup shape by the means 22, and which feed the product to the other operating sections located downstream of the section just mentioned where the wrappers are folded into a cup shape.
  • this embodiment of the invention comprises a first and a second line, working side by side, for the preparation of corresponding sets of wrapped products.
  • the wrapping material is unwound from a single roll and cut into two parallel webs 18, 18, each supplying a corresponding line L1,L2 (this feature not being specifically illustrated in the accompanying drawings).
  • a suitably shaped label is then placed on the surface or side of it forming the bottom of the wrapper by appropriate means 16 having a plurality of radial portions 14, carrying the labels on the ends, the labels being smeared with glue on one face.
  • the arms 14 turn in the direction of the arrow R in such a way as to bring each label into contact with, and hence gluing it to, the corresponding wrapper.
  • the feeding of the labels 11 is performed by a conveyor belt 10, which moves the labels towards and against the pickup end of a corresponding radial arm 14. Above the conveyor belt 10, there are means for guiding and accommodating a stack 8 of the labels 11.
  • the invention further provides for an appropriate wrapper tear strip which, for each line is unwound from a roll 6 of web 4 and then appropriately placed on the corresponding wrapper by applicator rollers 3.
  • the numeral 2 denotes means or rollers for unwinding the web of wrapping material with labels and tear tapes applied to it, whilst the numeral 5 in Figure 1 denotes means for cutting the web transversely to form separate blanks.
  • the aforementioned means 24 for folding the blank are designed to fold the blank, which is labelled F in the figures, while the blank is moving forward.
  • the product feed means 22 consist of a plurality of elements 34 for holding the blanks F and means 36 for feeding the blank holding elements 34 along a defined path, part of which forms the feed path of the blanks F.
  • the blank F holding elements take the form of hopper-like elements 34 each of which has an open-ended axial cavity 38 with a suitably shaped profile that enables the blank to be folded by being pushed through the cavity 38 itself.
  • These hopper-like elements 34 each have a face 40', which the blank F rests on, at one end of the through cavity 38.
  • Each blank F is transferred by the cutting means 5 to a corresponding element 34 that holds it by suction. Holding the blanks by suction is a technique well known to experts in the trade. These suction means are not therefore described in further detail.
  • An advantage of the invention lies in that the blank is transferred to the hopper 34 while the hopper is moving forward and is in a position such that the upper face of it holding the blank, is inclined by a certain angle to the horizontal.
  • the means for feeding the holding elements comprise, for each line, an endless conveyor 36 driven by wheels 36' and 36" in a vertical plane and having an active feed section 36a and a return section 36b running under the active section 36a.
  • the endless conveyor 36 consists of a first and a second endless element, preferably in the form of conveyor belts 39, 41, at a defined transversal distance from each other, and crossbars 43, at defined longitudinal intervals from each other, designed to support the blank holding elements 34.
  • the ends of the crossbars 43 are connected to the first and second conveyor belts 39, 41.
  • the endless conveyor 36 for the blank holding elements 34 comprises, for each hopper-like element 34, a corresponding supporting element 42.
  • the supporting element 42 is slidably mounted on a corresponding crossbar 43 and comprises a sleeve-like portion 42a, which encircles and slides on the crossbars 43, a horizontal arm 42b extending horizontally from the sleeve 42a and ending with a connecting portion or means such as, for example, a securing bracket 42c, by which the corresponding hopper-like element 34 is attached.
  • Means are also provided to move the holding elements 34 sideways after these have folded the wrappers F into a cupped shape and in such a way that the blank holding elements 34 are carried outside the feed path of the underlying means 26 that feed the wrappers in the folded state, thus enabling the conveyor to travel along the return section. All of this must take place without any risk of interference or collision between the hopper-like elements 34 and the underlying means 26 that support the folded wrappers.
  • the means for moving the elements 34 sideways comprise cam means 45 (see Figure 2) which act, through appropriate means (which are not illustrated in the drawings, being well known to experts in the trade) on the elements 42 that support the blank holding elements 34 in such a manner as to move them, as shown in Figure 3, from the position illustrated with the continuous line to the position illustrated with the dashed line.
  • the profile of the cam 45 has a first straight section 45a parallel to the feed direction of the blank holding and folding elements 34 and of the means 26 that feed the wrappers in the folded state, so that the holding elements 34, as they are being fed along the longitudinal folding section, are exactly aligned on the vertical with the means 26.
  • the cam means 45 Near the front end of the conveyor 36, the cam means 45 have a second section 45b that is inclined in a horizontal plane towards the outside of the machine in such a way as to divert outwards the blank holding elements 34, which no longer have the blanks F in them, and thus allowing them to move downwards and travel along the return section without interfering with the means 26 that feed the wrappers F in the folded state which proceed straight on lengthways.
  • cam 45 with an initial section 45c, upstream of the first section 45a, that is appropriately shaped to move the hopper-like elements 34, dimensioned accordingly, to corresponding transversal pickup positions, different from the one shown here, for example a position further towards the inside, that is to say, towards the central section of the machine.
  • the means for feeding the blanks F feed the blanks along a mainly straight path. This arrangement not only reduces the width of the machine's footprint but also allows operators to easily access the different parts of the machine when necessary.
  • the folding means comprise means for pushing the blanks F into the axial cavity 38 of each hopper-like element 34, thus forming the blanks into a cupped shape suitable for receiving the product.
  • the means for pushing the blanks into the axial cavities 38 of the hopper-like elements comprise suitably shaped pusher elements or forming pistons 48, each mounted on the end of a corresponding stem 47, and moving between a vertically retracted or raised position where it is outside the axial cavity of the hopper-like element 34, and a vertically advanced or lowered position where the forming piston is driven into and through the axial cavity 38 of the hopper 34.
  • Means 52 are provided to feed the pusher elements 48 along a defined path.
  • each pusher element 48 under the action of the feed means 52 comprises a first downstroke section 52a during which it moves down and at the same time lengthways, parallel to the feed path of the forming hoppers 34, and during which the wrapper F is formed into a cupped shape, and a second return section 52b.
  • the means for feeding the pusher elements 48 consist preferably of an endless conveyor 52.
  • the conveyor 52 of the pusher elements 48 thus has an active branch which extends in such a way that, as they move, the pusher elements 48 are positioned over the corresponding blank holding and forming elements 34, and an idle return branch where they move in a horizontal plane extending well over the feed means 22 of the blank holding elements and the means 26 for feeding the wrappers F in the folded state, as illustrated especially in Figures 1 and 3.
  • the endless conveyor 52 comprises a first and a second endless element, driven by wheels 52' and 52" and preferably in the form of conveyor belts 49, 51, placed at a defined vertical distance from each other and between which there extend bars 54 that support the pusher elements 48.
  • the ends of the bars 54 have securing portions 54' by which they are connected to the conveyor belts 49 and 51.
  • the pusher elements 48 are mounted on support means 53 that slide on the vertical bars 54 of the conveyor 52 having corresponding sleeve-like portions 53b, 53b which encircle and slide on the bars 54 and from which there extend corresponding brackets 53c, 53c that support the stems 47 of the corresponding pusher elements 48.
  • the means for moving the pusher elements 48 between a retracted position outside the hopper 34 and a forward position extending into and through the axial cavity 38 of the hopper 34 comprise cam-like control means 55 that extend in the direction of feed of the hopper elements 34 and have a vertically modulated profile designed to enable vertical control of the pusher elements 48.
  • the means that vertically move the pusher 48 supporting elements 53 obviously comprise, besides the cam-like means 55, appropriate drive transmission means which are not illustrated in the accompanying drawings since they are well known to experts in the trade.
  • the cam profile 55 has, for the downstroke section of the pushers 48, a first section 55a at a high level at which the corresponding pusher 48 is outside the hopper cavity 38, and a second section 55b, consisting of a downwardly inclined ramp which causes the pusher element 48 to go down into the hopper and through to the other side below it into an appropriately shaped recess which accommodates the wrapper on the means that feed the wrappers in the folded state.
  • the second section is followed by a short horizontal section 55c, at the lowermost level of the pusher elements, by an upwardly inclined ramp 55d enabling the pushers 48 to be withdrawn, and a horizontal section 55e at the same level as the first section 55a and corresponding to the level at which the pushers 48 travel along the return section.
  • the folding means are completed by reed elements (which are not explicitly illustrated in the accompanying drawings) which fold the flaps or tabs of the wrapper and which are designed to be placed on the sides of the corresponding wrapper.
  • These side folding reed elements are mounted on means or slides (labelled 57 as a whole) that are similar, though shorter, than those of the pusher elements 48.
  • the slides 57 also run on the vertical bars 54.
  • cam-like means whose profile, labelled 50, is explicitly illustrated in Figure 1.
  • the cam profile 50 extends vertically in much the same way as cam-like means 55, from which it differs in that the height of the vertical movement it causes is lower, advanced and more prolonged than that controlled by the cam-like means 55.
  • the reed elements of which there is one for each edge of the wrapped product, are well known to experts in the trade and do not therefore need to be described in further detail.
  • the means that support and drive them are the same as those of the pusher elements 48.
  • the means 26 that feed the wrappers in the folded state are designed to receive the wrappers while these are in motion.
  • the means 26 that feed the wrappers in the folded state suitable for receiving the product comprise a plurality of elements 58, each holding a wrapper in the folded state, and means 62 for feeding the folded wrapper holding elements 58 along a defined path.
  • the folded wrapper holding elements consist of cup-like elements 58, each forming a specially shaped recess 60 whose side profile matches the shape of the base of the wrapped product and that is designed to accommodate the wrapper F in the folded state.
  • the recess 60 completes the forming and shaping of the fold lines at the bottom of the cupped wrapper.
  • the folded wrapper holding elements 58 comprise an endless conveyor 62 driven by wheels 62' and 62" in a vertical plane and having an active feed section 62a and a return section 62b running under the active section.
  • the folded wrapper feed means 26 follow a straight path.
  • the folded wrapper feed means 26 run on the side of the folding means 48 opposite the means 34 that feed the blanks.
  • the active feed and return sections of the conveyor 62 of the folded wrapper holding elements are inside the active and return sections of the feed means 36 that convey the blank holding elements 34.
  • the conveyor 62 comprises a first and a second conveyor belt 61, 63 at a defined transversal distance from each other, that support longitudinally spaced transversal portions or crossbars 65, forming first and second transversally spaced recesses 60 designed to receive and hold the wrappers in the folded state.
  • Each of the first and second recesses 60 hold the wrappers F of a corresponding longitudinal row of wrappers.
  • the blank feed means comprise a first and a second row of forming and holding elements 34 and the related longitudinal feed conveyors 36, 36 which extend on opposite transversal sides of the conveyor 62 for the folded wrapper feed means.
  • brackets 53c support a first and a second stem 47 for corresponding pusher elements 48 in such a way that the transversal distance between the pushers corresponds to the distance between the two parallel rows of wrapped products.
  • the numeral 28 in Figure 1 denotes means for filling the cupped wrappers positioned lengthways downstream of the folding means.
  • the filling means 28 are designed to fill the wrappers F while the latter are in motion.
  • product feed nozzles 66 kept in the vertical position, are moved on rotating drive means 68 in such a way that the lower section of the circular path followed by the nozzles 66 enables the latter to be inserted into cupped wrappers and to follow their lengthways movement for long enough to release the product inside the cupped wrappers.
  • wrapper closing means are located longitudinally downstream of the filling means 28 and comprise means 30 for folding the upper flaps or tabs of the wrapper over the top of the product (said means being illustrated schematically in Figure 1) and means 32 for sealing the folded flaps.
  • the closing means 30, 32 are designed to close the wrapper containing the product while the wrapper is in motion.
  • the sealing means 32 comprise sealers 70, which are kept in the vertical position as they are moved on rotating drive means 72.
  • the means 72 are fitted in such a way that the lower section of the circular path followed by the sealers 70 enables the latter to come into contact with the upper flaps of the wrapper folded over the product and to follow them for long enough to seal them.
  • the means 30 for folding the upper flaps like the means described above, perform this operation while the wrappers containing the product are in motion and also comprise appropriate elements carried by corresponding means that enable them to follow the movement of the wrappers long enough to fold them.
  • a particularly advantageous aspect of the present invention is that the feed means 24, 26 move the wrappers forward with continuous motion.
  • the productivity of the apparatus according to the present invention is therefore significantly higher than that of machines known up to now, which means that, for the same productivity as that of known machines, the wrappers are subjected to less stress, so it is possible to use wrapping materials that are less resistant and that cost less, thereby lowering the packaging costs of the products.
  • the wrapper conveying means comprise a shared conveyor 26 designed to convey the wrappers between the aforementioned folding means 24, the filling means 28 and the wrapper closing means 30, 32.
  • the conveyor belts of the aforementioned operating means are made preferably of stainless steel to avoid excessive deformation and allow the parts carried to maintain the correct position and thus ensuring the perfect alignment of the different parts operating in conjunction with each other.
  • the apparatus may further comprise a cartoning unit, labelled A in the accompanying drawings and only partly illustrated, being designed to pack the individual processed cheese portions in cartons.
  • the transfer from the cheese portion feed means 26 to the cartoning unit is effected by appropriate pickup and dispensing means labelled A' in Figure 1.
  • Figures 4 and 5 illustrate the wrapper folding section of a second preferred embodiment of the apparatus according to the present invention.
  • the wrapper holding elements or folding hoppers 134 are advantageously conveyed by the endless conveyor 152 which carries the pusher elements 148.
  • the endless conveyor 152 is substantially the same as the one of the first preferred embodiment of the apparatus, which carries only the folding pushers.
  • the endless conveyor 152 has an active branch 152a which extends in such a way as to position the blank F holding and folding elements 134 over the corresponding feed elements 26 which receive the folded wrappers, as shown in Figure 4.
  • the conveyor 152 of the holding elements 134 also has an idle return branch 152b.
  • the conveyor belt 152a extends in a substantially horizontal direction.
  • the endless conveyor 152 comprises a first and a second endless element, labelled 149 and 151, respectively, in the form of belts placed at a defined vertical distance from each other, and connected to each other by appropriate bars 154 which constitute slidable supporting means for the holding elements 134 and for the folding pusher elements 148 of the wrappers F.
  • the upper endless element 149 is supported by wheels 149a, 149b each of which is in turn supported by a shaft, whose axis is labelled 149'a , 149'b.
  • the lower endless element 151 is supported by wheels 151a, 151b each of which is in turn supported by a shaft 151c, 151d, whose axis is labelled 151'a , 151'b.
  • the wheels around which the endless elements 149, 151 run have a specially shaped outer profile with semicircular recesses 157 at defined angular intervals, said recesses 157 meshing with the vertical bars 154 in such a way that the wheels drive the endless conveyor 152.
  • the wrapper holding and folding elements 134 consist of a single part having a pair of vertical folding apertures 138, 138 designed to receive a corresponding pusher 148, 148.
  • the pushers 148 and the corresponding supporting rods 147 are hollow and are connected to a hose 159a, 159b merging into a single main hose 159, constituting air ducting means which convey air used to facilitate detachment of the wrapper from the pusher 148 after the wrapper has been folded.
  • the folding means or pushers 148, 148 for both pairs of wrappers positioned on the single holding element 134 are carried by a single supporting element 153 that slides on the vertical bars 154 of the conveyor 152.
  • the pusher 148 supporting means comprise a sleeve-like portion 153b which encircles and slides on the rods 154, and from which a vertical bracket 153c and a horizontal bracket 153d extend, these brackets supporting a pair of rods 147, 147 for a corresponding pusher 148.
  • the means for moving each pusher element 148 between a retracted position outside the corresponding hopper 134 and an advanced position inside and through the axial cavity 138 of the hopper 134 comprise a cam-like control profile 155, on which there runs a roller 155' attached to the pusher 148 supporting means.
  • the cam extends in the direction of feed of the hopper elements 134 and runs in a vertical direction in such a way as to control the vertical movement of the pusher elements 148.
  • the holding and folding elements 134 are supported by means 142 that slide on the vertical bars 154 of the horizontal conveyor 152.
  • the hopper element 134 supporting means comprise a sleeve-like portion 142b which encircles and slides on the bars 154 and from which a vertical bracket 142c and a horizontal bracket 142d extend, the brackets supporting a pair of hollow, vertical bushes 142a, 142a forming the aforementioned shaped folding apertures 138, 138.
  • the holding elements 134 are moved along a vertical working path by appropriate means.
  • the means for vertically moving the hopper means 134 comprise a cam-like control profile 145 on which there runs a roller 145' attached to the supporting means of the pushers 148.
  • the cam 145 extends vertically in the same direction as the feed direction of the hopper elements 134 in such a way that the starting section of its active path enables the hoppers to pick up the blanks from a suction belt N which holds the blanks, which may already be equipped with labels and tear strips, on its lower face.
  • the initial section of the cam 145 moves the elements 134 between a lowered position, upstream of the wrapper pickup point, and a raised position corresponding to the wrapper pickup point, labelled R in Figure 4.
  • the second preferred embodiment might, in addition to the aforementioned units for filling the cupped wrappers, for folding and sealing the tabs to the tops of the wrappers, also comprise a unit, located between the wrapper feed station and the tab folding station and designed to apply a cap to the top of each wrapper so as to obtain a traditional type of wrapper.
  • the cap applicator unit which forms part of the means for closing the wrapper containing the product, might be made, for example, in much the same way as the aforementioned units 28, 30, 32 of the first preferred embodiment of the apparatus described herein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (29)

  1. Verfahren zum Verpacken von Lebensmitteln, insbesondere pastöser Lebensmittel wie Schmelzkäseportionen, Suppenwürfel, Butter, Margarine und ähnlichen, in einen zweckmäßigen Einwickler, der aus einem Zuschnitt geeigneter Form besteht, der zu einer Packung für die Aufnahme des Lebensmittelproduktes gefaltet wird; wobei für das Verfahren eine Vorrichtung zum Einsatz kommt, welche folgendes beinhaltet: Einwicklerzuführeinrichtungen (22, 26), an Verpackungseinrichtungen, sowie Verpackungseinrichtungen, die entsprechende Arbeitseinrichtungen umfassen, welche Einrichtungen (24) zum Falten der Zuschnitte in eine geeignete Form für die Aufnahme des Produktes aufweisen; dabei umfassen die Zuführeinrichtungen Einrichtungen (22) für die Zufuhr von Zuschnitten, aus denen Einwickler für das Produkt hergestellt werden, und Einrichtungen (26) für die Zufuhr der Einwickler im gefalteten Zustand; ferner beinhaltet die Zuschnittzuführeinrichtung (22) mehrere Elemente (34, 134) zum Halten eines entsprechenden Zuschnitts sowie Einrichtungen (36; 136) für die Zufuhr der Zuschnitthalteelemente (34, 134); wobei jedes Zuschnitthalteelement aus einem trichterähnlichen Element (34, 134) besteht, das einen am Ende offenen axialen Hohlraum (38, 138) mit passend geformtem Profil aufweist, der einen Teil der Zuschnittfalteinrichtung bildet; die genannten Einrichtungen (26) für die Zufuhr der passend für die Aufnahme des Produktes gefalteten Einwickler beinhalten mehrere Elemente (58), die jeweils einen gefalteten Einwickler halten, und entsprechende Einrichtungen (62) für die Zufuhr der Halteelemente (58) der gefalteten Einwickler; die genannten Falteinrichtungen beinhalten ferner Einrichtungen (48, 148), die dafür konzipiert sind, jeden Zuschnitt in einen entsprechenden axialen Hohlraum (38, 138) der Trichterelemente einzuschieben, um die Zuschnitte in eine für die Produktaufnahme geeignete Form zu falten; die genannten Einrichtungen zum Einschieben der Zuschnitte in die Hohlräume (38; 138) der Trichterelemente beinhalten mehrere entsprechende Schieberelemente (48; 148) und Einrichtungen (52; 152) zur Bewegung der Schieberelemente (48; 148) entlang eines Zuführpfades; jedes Schieberelement (48; 148) wird von einer Rückzugsstellung, in der sich jedes Schieberelement außerhalb des trichterähnlichen Elements (34; 134) befindet, in und durch den axialen Hohlraum (38; 138) des Trichters (34; 134) in eine Vorgeschobenstellung gefahren, in der die genannten Schiebereinrichtungen (48, 148) die Einwickler auf den Einrichtungen für die Zufuhr der gefalteten Einwickler anordnen; wobei die Falteinrichtungen zum Falten der Einwickler während des Vorschubs der Einwickler arbeiten; und wobei die genannten Einrichtungen (26) für die Zufuhr der gefalteten Einwickler die gefalteten Einwickler von den Schiebereinrichtungen (48, 148) der Falteinrichtungen während des Vorschubs empfangen.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Einwicklerzuführeinrichtungen (22, 26) die Einwickler mit kontinuierlicher Bewegung befördern.
  3. Vorrichtung zum Verpacken von Lebensmitteln, insbesondere pastöser Lebensmittel wie Schmelzkäseportionen, Suppenwürfel, Butter, Margarine und ähnlichen, in einen zweckmäßigen Einwickler, der aus einem Zuschnitt geeigneter Form besteht, der zu einer Packung für die Aufnahme des Lebensmittelproduktes gefaltet wird; wobei die Vorrichtung folgendes beinhaltet: Einwicklerzuführeinrichtungen (22, 26), an Verpackungseinrichtungen, sowie Verpackungseinrichtungen, die entsprechende Arbeitseinrichtungen umfassen, welche Einrichtungen (24) zum Falten der Zuschnitte in eine geeignete Form für die Aufnahme des Produktes aufweisen; dabei umfassen die Zuführeinrichtungen Einrichtungen (22) für die Zufuhr von Zuschnitten, aus denen Einwickler für das Produkt hergestellt werden, und Einrichtungen (26) für die Zufuhr der Einwickler im gefalteten Zustand; ferner beinhaltet die Zuschnittzuführeinrichtung (22) mehrere Elemente (34, 134) zum Halten eines entsprechenden Zuschnitts sowie Einrichtungen (36; 136) für die Zufuhr der Zuschnitthalteelemente (34, 134); wobei jedes Zuschnitthalteelement aus einem trichterähnlichen Element (34, 134) besteht, das einen am Ende offenen axialen Hohlraum (38, 138) mit passend geformtem Profil aufweist, der einen Teil der Zuschnittfalteinrichtung bildet; die genannten Einrichtungen (26) für die Zufuhr der passend für die Aufnahme des Produktes gefalteten Einwickler beinhalten mehrere Elemente (58), die jeweils einen gefalteten Einwickler halten, und entsprechende Einrichtungen (62) für die Zufuhr der Halteelemente (58) der gefalteten Einwickler; die genannten Falteinrichtungen beinhalten ferner Einrichtungen (48, 148), die dafür konzipiert sind, jeden Zuschnitt in einen entsprechenden axialen Hohlraum (38, 138) der Trichterelemente einzuschieben, um die Zuschnitte in eine für die Produktaufnahme geeignete Form zu falten; die genannten Einrichtungen zum Einschieben der Zuschnitte in die Hohlräume (38; 138) der Trichterelemente beinhalten mehrere entsprechende Schieberelemente (48; 148) und Einrichtungen (52; 152) zur Bewegung der Schieberelemente (48; 148) entlang eines Zuführpfades; jedes Schieberelement (48; 148) wird von einer Rückzugsstellung, in der sich jedes Schieberelement außerhalb des trichterähnlichen Elements (34; 134) befindet, in und durch den axialen Hohlraum (38; 138) des Trichters (34; 134) in eine Vorgeschobenstellung gefahren, in der die genannten Schiebereinrichtungen (48, 148) den Einwickler auf den Einrichtungen für die Zufuhr der gefalteten Einwickler anordnen; wobei die Falteinrichtungen zum Falten der Einwickler während des Vorschubs der Einwickler arbeiten; und wobei die genannten Einrichtungen (26) für die Zufuhr der gefalteten Einwickler die gefalteten Einwickler von den Schiebereinrichtungen (48, 148) der Falteinrichtungen während des Vorschubs empfangen.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Einwicklerzuführeinrichtungen (22, 26) die Einwickler mit kontinuierlicher Bewegung befördern.
  5. Vorrichtung nach einem der obigen Ansprüche 3 und 4, dadurch gekennzeichnet, dass sich die genannten Einrichtungen (36; 136) für die Zufuhr der Zuschnitthalteelemente (34, 134) entlang eines festgelegten Längspfades erstrecken.
  6. Vorrichtung nach einem der obigen Ansprüche 3 bis 5, dadurch gekennzeichnet, dass jedes trichterähnliche Element (34; 134) an einem Ende des durchgehenden Hohlraums (38; 138) eine Fläche (40') aufweist, auf der der Zuschnitt aufliegt.
  7. Vorrichtung nach einem der obigen Ansprüche 5 oder 6, dadurch gekennzeichnet, dass die Einrichtungen für die Zufuhr der Halteelemente (134) einen Kreisförderer (152) beinhalten.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Förderer (152) der Halteelemente (134) einen aktiven Abschnitt aufweist, der so verläuft, dass die Zuschnitthalteelemente (134) während ihrer Bewegung über den entsprechenden Zuführelementen (26) angeordnet werden, welche die gefalteten Einwickler empfangen.
  9. Vorrichtung nach einem der obigen Ansprüche 3 bis 8, dadurch gekennzeichnet, dass Einrichtungen vorgesehen sind, um die Halteelemente (134) zwischen einer unteren Stellung, die in Laufrichtung vor dem Aufnahmepunkt des Einwicklers liegt, und einer angehobenen Stellung zu bewegen, die dem Aufnahmepunkt des Einwicklers (R) entspricht.
  10. Vorrichtung nach einem der obigen Ansprüche 3 bis 9, dadurch gekennzeichnet, dass die Halteelemente (134) aus einem einzigen Teil bestehen, das eine erste und eine zweite Einwicklerfaltbuchse (142a, 142a) beinhaltet.
  11. Vorrichtung nach einem der obigen Ansprüche 9 oder 10, dadurch gekennzeichnet, dass die Einrichtungen für die Zufuhr der Halteelemente (34) einen Kreisförderer (36) beinhalten, der auf einer vertikalen Ebene läuft und einen aktiven Zuführabschnitt (36a) sowie einen Rücklaufabschnitt (36b) unterhalb des aktiven Abschnitts aufweist.
  12. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass der Kreisförderer (36) ein Trägerelement (42) für jedes Zuschnitthalteelement (34) beinhaltet, wobei das Trägerelement (42) gleitend auf einer entsprechenden Querstange (43) montiert ist, und wobei Einrichtungen (45) für die Querbewegung der Trägerelemente (42) vorgesehen sind, um die Zuschnitthalteelemente (34) außerhalb des Zuführpfades der Einwicklerzuführeinrichtungen (26) zu bringen, damit der Förderer (36) entlang des Rücklaufabschnitts laufen kann.
  13. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass die Einrichtungen für die Querbewegung der Halteelemente (34) nockenähnliche Einrichtungen (45) beinhalten, die auf die Elemente (42) wirken, welche die Zuschnitthalteelemente (34) tragen.
  14. Vorrichtung nach einem der obigen Ansprüche von 3 bis 13, dadurch gekennzeichnet, dass die Zuschnittzuführeinrichtungen (22) die Zuschnitte entlang eines geraden Zuführpfades befördern.
  15. Vorrichtung nach einem der obigen Ansprüche 3 bis 14, dadurch gekennzeichnet, dass sich die genannten Einrichtungen (52; 152) zur Bewegung der Schieberelemente (48; 148) entlang eines länglichen Zuführpfades erstrecken, der parallel zum Zuführpfad der trichterähnlichen Elemente (34; 134) ist.
  16. Vorrichtung nach einem der obigen Ansprüche 3 bis 15, dadurch gekennzeichnet, dass die Einrichtungen (52; 152) zur Bewegung der Schieberelemente (48; 148) entlang eines festgelegten Zuführpfades parallel zu den trichterähnlichen Elementen (34; 134) einen Kreisförderer (52; 152) beinhalten.
  17. Vorrichtung nach einem der obigen Ansprüche 3 bis 16, dadurch gekennzeichnet, dass der Förderer (52; 152) der die Schieberelemente (48; 148) trägt, einen aktiven Abschnitt aufweist, der so verläuft, dass die Schieberelemente (48; 148) während ihrer Bewegung oberhalb der entsprechenden Zuschnittzuführelemente (34; 134) angeordnet werden.
  18. Vorrichtung nach Anspruch 16 oder 17, dadurch gekennzeichnet, dass der Förderer (52; 152), der die Schieberelemente (48; 148) trägt, einen aktiven Abschnitt (52a; 152a) sowie einen nicht angetriebnen Rücklaufabschnitt (52b; 152b) aufweist, die sich auf einer horizontalen Ebene bewegen.
  19. Vorrichtung nach einem der obigen Ansprüche von 16 bis 18, dadurch gekennzeichnet, dass der Kreisförderer (52; 152) ein erstes und ein zweites endloses Förderelement (49, 51; 149, 151) beinhaltet, die in einem festgelegten Querabstand voneinander angeordnet sind und zwischen denen Stangen (54; 154) zum Tragen der Schieberelemente (48; 148) verlaufen.
  20. Vorrichtung nach einem der obigen Ansprüche von 3 bis 19, dadurch gekennzeichnet, dass die Einrichtungen zum Bewegen jedes Schieberelementes (48; 148) zwischen einer Rückzugsstellung außerhalb des entsprechenden Trichters (34; 134) und einer Vorgeschobenstellung in und durch den axialen Hohlraum (38; 138) hindurch in den Trichter (34; 134) nockenähnliche Steuereinrichtungen (55; 155) beinhalten, die sich in Richtung der Förderrichtung der trichterähnlichen Elemente (34; 134) erstrecken.
  21. Vorrichtung nach einem der obigen Ansprüche von 3 bis 20, dadurch gekennzeichnet, dass die Schieberelemente (48; 148) von gleitenden Trägerelementen (53; 153) auf vertikalen Stangen (54; 154) des Schieberelementförderers (52; 152) getragen werden.
  22. Vorrichtung nach einem der obigen Ansprüche von 3 bis 21, dadurch gekennzeichnet, dass sich die genannte Einrichtung (62) für die Zufuhr der Halteelemente (58) der gefalteten Einwickler entlang eines geraden Zuführpfades erstreckt.
  23. Vorrichtung nach einem der obigen Ansprüche von 3 bis 22, dadurch gekennzeichnet, dass die Halteelemente der gefalteten Einwickler ein Halteelement (58) beinhalten, das eine entsprechende Aussparung (60) für die Aufnahme des gefalteten Einwicklers bildet.
  24. Vorrichtung nach Anspruch 22 oder 23, dadurch gekennzeichnet, dass die Einrichtungen für die Zufuhr der Halteelemente (58) der gefalteten Einwickler einen Kreisförderer (62) beinhalten, der auf einer im Wesentlichen vertikalen Ebene läuft und einen aktiven Zuführabschnitt (62a) sowie einen Rücklaufabschnitt (62b) aufweist, der unterhalb des aktiven Abschnitts verläuft.
  25. Vorrichtung nach Anspruch 24, dadurch gekennzeichnet, dass der aktive Abschnitt (62a) und der Rücklaufabschnitt (62b) des Förderers (62), der die Halteelemente (55) der gefalteten Einwickler trägt, innerhalb des aktiven Abschnitts (36a) und Rücklaufabschnitts (36b) des Förderers (36) verlaufen, der die Zuschnitthalteelemente trägt.
  26. Vorrichtung nach einem der obigen Ansprüche von 3 bis 25, dadurch gekennzeichnet, dass sie zwei parallele Linien zur Produkthandhabung umfasst, nämlich eine erste Linie (L1) und eine zweite Linie (L2).
  27. Vorrichtung nach Anspruch 26, dadurch gekennzeichnet, dass sie erste und zweite Einrichtungen (22) für die Zufuhr der flachen Zuschnitte umfasst und längs verlaufende Einrichtungen zur Ausrichtungssteuerung (45, 45) aufweist, die voneinander unabhängig sind.
  28. Vorrichtung nach den Ansprüchen 26 oder 27, dadurch gekennzeichnet, dass sich die erste und zweite Einrichtung (22) für die Zufuhr der flachen Zuschnitte außerhalb der entsprechenden Kanten der Einrichtungen (26) für die Zufuhr der gefalteten Einwickler erstrecken.
  29. Vorrichtung nach einem der obigen Ansprüche von 26 bis 28, dadurch gekennzeichnet, dass sie erste und zweite Schiebereinrichtungen (48, 48; 148, 148) für jede Linie umfasst, die paarweise von einem einzigen Förderer (52; 152) getragen werden.
EP00830679A 1999-10-22 2000-10-19 Verfahren und Vorrichting zum Verpacken von pastösen Lebensmitteln Expired - Lifetime EP1094005B1 (de)

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IT1999BO000570A IT1311107B1 (it) 1999-10-22 1999-10-22 Apparecchio per il confezionamento di un prodotto alimentare, inparticolare un prodotto alimentare pastoso.
ITBO990570 1999-10-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2894103B1 (de) 2014-01-10 2016-09-07 Robert Bosch Gmbh Verfahren und vorrichtung zum verpacken von lebensmittelprodukten in einzelportionen

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ITBO20020237A1 (it) * 2002-04-24 2003-10-24 Corazza Spa Macchina perfezionata per il confezionamento di un prodotto pastoso ,liquido o semiliquido
ITBO20060682A1 (it) * 2006-10-03 2008-04-04 Sympak Corazza S P A Apparecchiatura per il confezionamento di un prodotto.
CN110451005B (zh) * 2019-09-11 2021-03-02 瞿磊 一种卧式食品包装装置

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US4578929A (en) * 1984-02-16 1986-04-01 Tisma Machine Corporation Automatic form and fill packaging machine using cardboard blanks
EP0162119B1 (de) * 1984-05-05 1987-07-22 Henri Shavit Vorrichtung zum Herstellen eines Behälters aus einem flachen Zuschnitt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2894103B1 (de) 2014-01-10 2016-09-07 Robert Bosch Gmbh Verfahren und vorrichtung zum verpacken von lebensmittelprodukten in einzelportionen

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ATE314257T1 (de) 2006-01-15
DE60025123D1 (de) 2006-02-02
EP1094005A2 (de) 2001-04-25

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