EP0787962A2 - Drying apparatus for filled tubular films - Google Patents

Drying apparatus for filled tubular films Download PDF

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Publication number
EP0787962A2
EP0787962A2 EP97100898A EP97100898A EP0787962A2 EP 0787962 A2 EP0787962 A2 EP 0787962A2 EP 97100898 A EP97100898 A EP 97100898A EP 97100898 A EP97100898 A EP 97100898A EP 0787962 A2 EP0787962 A2 EP 0787962A2
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EP
European Patent Office
Prior art keywords
drying device
film tube
brush
brush rollers
driven
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97100898A
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German (de)
French (fr)
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EP0787962B1 (en
EP0787962A3 (en
Inventor
Wilhelm Baur
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.)
Natec Reich Summer GmbH and Co KG
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Natec Reich Summer GmbH and Co KG
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Publication of EP0787962A2 publication Critical patent/EP0787962A2/en
Publication of EP0787962A3 publication Critical patent/EP0787962A3/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/24—Arrangements of devices using drying processes not involving heating
    • F26B13/28—Arrangements of devices using drying processes not involving heating for applying pressure; for brushing; for wiping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping

Definitions

  • the present invention relates to a drying device for filled, ribbon-shaped film tubes according to the preamble of patent claim 1.
  • Such drying devices are used for drying product tubes filled with product, such as z. B. arise in the production of processed cheese, which is filled into a continuous, continuous tubular film in liquid form.
  • this film tube filled with hot cheese mass is shaped approximately in a band shape and sent through a cooling belt, where the cheese mass is to give off as much heat as possible.
  • the adhering cooling medium - preferably water - should be removed as far as possible from the outside of this band-shaped film tube. The reason for the need to remove the water is that this water is disruptive in the final packaging of these cheese slices packed in foils.
  • the film tube pulled out of the cooling bath is first fed to a sealing station, after sealing in the area of corresponding transverse seams it is cut off in the area of the respective transverse seam and the cheese slices thus produced are then stacked on top of one another and then fed to a final packaging device.
  • the second reason is that the subsequent sealing process could be disturbed by the water adhering to the band-shaped film tube, because the sealing jaws require increased heat output and the sealing quality could also be impaired.
  • Another known method uses heated air which is directed onto the film tube leaving the cooling bath, which has the disadvantage that the film tube is heated again, which leads to re-liquefaction of the contents in the film tube. The seal quality is then deteriorated. There is also a higher energy requirement.
  • the invention is therefore based on the object of developing a drying device of the type mentioned in such a way that the band-shaped leaving the cooling bath Foil tube is dried as gently as possible and using energy sparingly.
  • the invention is characterized by the technical teaching of claim 1.
  • An essential feature of the invention is that brush rollers driven in opposite directions to one another are now present in the area of the drying device, through whose nip the band-shaped film tube is guided, the brush rollers being driven in the opposite direction to the transport direction of the film tube.
  • the invention there is only a brushing-off effect of the water adhering to the film tube through the oppositely driven brush rollers, through the brush gap of which the film tube is transported.
  • the water is not removed, but only a sensitive, uniform generation of a water film on the outside of the band-shaped film tube, which is associated with surprising advantages.
  • the adhering water film has the advantage that the stacking of the individual slices cut from the band-shaped film tube is significantly improved, because the microfine water film forms a volatilizing adhesive layer between the individual slices, which is thus very rich and close to one another, without the risk of Slipping in the stack.
  • the present invention thus overcomes a prejudice by starting from the previous, known, complete removal of the water film, which on the one hand saves energy and on the other hand significantly improves the stack quality.
  • a water infiltration in the subsequent final packaging plant is not to be feared because drying in the stack has already progressed to such an extent that the microfine water film is hardly present when the stack is formed and no longer interferes in the subsequent final packaging.
  • drying device due to the mechanical brush rolling action, water, which forms in the area of the handle of the cheese packaging, can be easily removed from the film by the mechanical flexing, stripping and spreading action of the brush rollers, without it being removed complex drying process required.
  • the brush rollers facing one another overlap with their bristles, i. H. the bristles of one brush roller partially engage in the bristles of the opposite brush roller, so that they wedge into one another in a finger shape and the band-shaped film tube moves through this bristle gap.
  • the water is thus removed from the flat sides of the film tube by a relatively strong mechanical wiping action, while in the area of the narrow sides (narrow end faces), the bristles which dip into one another also brush off these narrow end faces and remove the water film adhering there.
  • the drying device consists of at least two brush rollers lying opposite one another and forming a single brush nip.
  • two or more brush rollers arranged in pairs and driven in opposite directions are arranged one above the other in order to treat the band-shaped film tube in the transport direction in succession.
  • the drying device 1 according to Figures 1 to 3 consists essentially of a housing which has parallel and mutually spaced side plates 4, 5.
  • the housing is open on one side, while bearing blocks 6, 7, on which the drive units are mounted, connect to the side plate 4, 5 on the other side.
  • a drive motor 16, 18 is fastened in each of the bearing blocks 6, 7, the drive axis of which is connected in a rotationally fixed manner to a drive wheel 28, 29.
  • a drive belt 17, 19 runs over each drive wheel 28, 29, wherein each drive belt 17, 19 each has a pair of the brush rollers 8, 9; 10, 11 drives.
  • Each brush roller has associated drive wheels 24, 25, over which the respective drive belt 17, 19 runs.
  • Each brush roller 8-11 here consists of a plastic body 13 on which a bristle covering 12 with radially outwardly directed bristles is arranged in a rotationally fixed manner.
  • the bristles of the individual brush rollers 8-11 overlap in the overlap area 22 (FIG. 2), i. H. they dive into each other and overlap each other like fingers.
  • the band-shaped film tube 2 which is profiled approximately rectangular, is pulled upwards in the direction of arrow 3.
  • the respective pairs of brushes 8, 9 and 10, 11 are driven counter to the transport direction (arrow direction 3) of the film tube 2.
  • the bristle coverings 12 of the individual brush rollers 8-11 thus brush off the broad sides of the film tube 2, while the end face 23 is additionally brushed off by the bristles which interlock in the overlap region 22.
  • a particularly simple drive arrangement results from the fact that the brush rollers 8, 9 arranged in pairs and 10, 11 are driven by the only available drive belt 17, 19, whereby they are driven in opposite directions in the direction of arrow 20, 21.
  • the water forming in the housing which has been brushed off by the film tube 2, runs downward over the drain surface 27 and collects in the collecting container 26 and is discharged to the outside through an outlet 30.
  • the brush rollers 8,9,10,11 are driven, for example, at a rotational speed of 1100 revolutions per minute. Because of this high number of revolutions, the water is thrown out of the bristle covering 12 and the water thus collects in the collecting container 26.
  • the film tube 2 is, for. B. pulled through the drying device 1 at a speed of 70 m per minute.
  • the thickness of the film tube is about 3 mm, the width can e.g. B. 84 mm, while the length is practically unlimited, because it is a continuous film tube.
  • the brush rollers 8 - 11 are held interchangeably in the bearing blocks 6, 7.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Cleaning In General (AREA)
  • Polarising Elements (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

A drying system for filled continuous tubes of film which is part of a filling, shaping, cooling, sealing, cutting, stacking and final packing plant has contra-rotating brush rolls (8,9,10,11) through the gap between which the tube of film is passed in the direction of arrow (3), so that the brush rolls are driven in a direction opposite to that of the movement of the tube.

Description

Gegenstand der vorliegenden Erfindung ist eine Trockeneinrichtung für gefüllte, bandförmige Folienschläuche nach dem Oberbegriff des Patentanspruches 1.The present invention relates to a drying device for filled, ribbon-shaped film tubes according to the preamble of patent claim 1.

Derartige Trockeneinrichtungen werden verwendet zur Trocknung von mit Produkt gefüllten Folienschläuchen, wie sie z. B. entstehen bei der Herstellung von Schmelzkäse, der in einen durchgehenden, fortlaufenden Folienschlauch in flüssiger Form eingefüllt wird.Such drying devices are used for drying product tubes filled with product, such as z. B. arise in the production of processed cheese, which is filled into a continuous, continuous tubular film in liquid form.

Nach einem Patent des gleichen Anmelders wird dieser mit heißer Käsemasse gefüllte Folienschlauch etwa bandförmig geformt und durch ein Abkühlungsband hindurchgeschickt, wo die Käsemasse möglichst viel Wärme abgeben soll. Nach dem Durchlaufen durch das Kühlbad soll das anhaftende Kühlmedium - vorzugsweise Wasser - möglichst von den Außenseiten dieses bandförmigen Folienschlauches entfernt werden. Den Grund für die Notwendigkeit der Entfernung des Wassers ist, daß dieses Wasser störend bei der Endverpackung dieser in Folien verpackte Käsescheiben ist.According to a patent of the same applicant, this film tube filled with hot cheese mass is shaped approximately in a band shape and sent through a cooling belt, where the cheese mass is to give off as much heat as possible. After passing through the cooling bath, the adhering cooling medium - preferably water - should be removed as far as possible from the outside of this band-shaped film tube. The reason for the need to remove the water is that this water is disruptive in the final packaging of these cheese slices packed in foils.

Bekannterweise wird nämlich der aus dem Kühlbad herausgezogene Folienschlauch zunächst einer Siegelstation zugeführt, nach dem Siegeln im Bereich von entsprechenden Quernähten wird er im Bereich der jeweiligen Quernaht abgeschnitten und es werden dann die so hergestellten Käsescheiben übereinandergestapelt und dann einer Endverpackungseinrichtung zugeführt.As is known, the film tube pulled out of the cooling bath is first fed to a sealing station, after sealing in the area of corresponding transverse seams it is cut off in the area of the respective transverse seam and the cheese slices thus produced are then stacked on top of one another and then fed to a final packaging device.

Wenn in dieser Endverpackungseinrichtung dann noch Wasser auf den Außenseiten der gesiegelten und geschnittenen Scheiben sich befindet, dann wird dieses mit in die Endverpackung eingetragen und es könnte zur Geruchsbelästigung oder Fäulnisbildung führen.If there is still water on the outside of the sealed and cut slices in this final packaging device, then this is also in the final packaging entered and it could lead to odor nuisance or putrefaction.

Der zweite Grund ist, daß durch das anhaftende Wasser auf dem bandförmigen Folienschlauch der sich daran anschließende Siegelvorgang gestört werden könnte, weil die Siegelbacken eine erhöhte Wärmeleistung benötigen und außerdem die Siegelqualität beeinträchtigt werden könnte.The second reason is that the subsequent sealing process could be disturbed by the water adhering to the band-shaped film tube, because the sealing jaws require increased heat output and the sealing quality could also be impaired.

Bisher hat man dieses Problem so gelöst, daß man den aus dem Kühlbad herausgezogenen, bandförmigen Folienschlauch durch eine Trockenstation hindurchführte, wo man mit Preßluft möglichst gekühlte Luft auf den Folienschlauch lenkte, um das Wasser in diesen Bereich zu entfernen. Nachteil ist jedoch, der hohe Luftverbrauch der Preßluftstation und eine gegebenenfalls damit verbundene Erwärmung des gekühlten Folienschlauches durch die darauf gelenkte Luft.So far, this problem has been solved in such a way that the tape-shaped film tube pulled out of the cooling bath was passed through a drying station, where compressed air was directed onto the film tube with compressed air as possible in order to remove the water in this area. The disadvantage, however, is the high air consumption of the compressed air station and the associated heating of the cooled film tube by the air directed thereon.

Wegen dem Nachteil des hohen Luftverbrauches besteht auch der Nachteil des hohen Energieverbrauches, weil die Kühlluft entsprechenden Kühlaggregaten zugeführt werden muß, um eine unerwünschte Erwärmung des bandförmigen Folienschlauches nach dem Verlassen des Kühlbades zu vermeiden.Because of the disadvantage of high air consumption, there is also the disadvantage of high energy consumption, because the cooling air must be supplied to corresponding cooling units in order to avoid undesired heating of the band-shaped film tube after leaving the cooling bath.

Ein anderes bekanntes Verfahren verwendet erwärmte Luft, die auf den das Kühlbad verlassenden Folienschlauches gelenkt wird, was mit dem Nachteil verbunden ist, daß der Folienschlauch wieder erwärmt wird, was zu einer Wiederverflüssigung des Inhaltes im Folienschlauch führt. Damit ist dann die Siegelqualität verschlechtert. Außerdem besteht ein höherer Energiebedarf.Another known method uses heated air which is directed onto the film tube leaving the cooling bath, which has the disadvantage that the film tube is heated again, which leads to re-liquefaction of the contents in the film tube. The seal quality is then deteriorated. There is also a higher energy requirement.

Der Erfindung liegt deshalb die Aufgabe zugrunde, eine Trockeneinrichtung der eingangs genannten Art so weiterzubilden, daß der das Kühlbad verlassende, bandförmige Folienschlauch möglichst schonend und unter sparsamer Verwendung von Energie abgetrocknet wird.The invention is therefore based on the object of developing a drying device of the type mentioned in such a way that the band-shaped leaving the cooling bath Foil tube is dried as gently as possible and using energy sparingly.

Zur Lösung der gestellten Aufgabe ist die Erfindung durch die technische Lehre des Anspruches 1 gekennzeichnet.To achieve the object, the invention is characterized by the technical teaching of claim 1.

Wesentliches Merkmal der Erfindung ist, daß nun im Bereich der Trockeneinrichtung gegenläufig zueinander angetriebene Bürstenwalzen vorhanden sind, durch deren Walzenspalt der bandförmige Folienschlauch geführt wird, wobei die Bürstenwalzen in Gegenrichtung zur Transportrichtung des Folienschlauches angetrieben sind.An essential feature of the invention is that brush rollers driven in opposite directions to one another are now present in the area of the drying device, through whose nip the band-shaped film tube is guided, the brush rollers being driven in the opposite direction to the transport direction of the film tube.

Erfindungsgemäß kommt es lediglich zu einem Abbürsteffekt des auf dem Folienschlauch anhaftenden Wassers durch die gegenläufig angetriebenen Bürstenwalzen, durch deren Bürstenspalt der Folienschlauch hindurch transportiert wird. Es kommt also - im Gegensatz zu den bekannten Trockenverfahren des Standes der Technik - nicht zu einer Entfernung des Wassers, sondern nur zu einer feinfühligen, gleichmäßigen Erzeugung eines Wasserfilmes auf der Außenseite des bandförmigen Folienschlauches, was mit überraschenden Vorteilen verbunden ist.According to the invention, there is only a brushing-off effect of the water adhering to the film tube through the oppositely driven brush rollers, through the brush gap of which the film tube is transported. In contrast to the known drying methods of the prior art, the water is not removed, but only a sensitive, uniform generation of a water film on the outside of the band-shaped film tube, which is associated with surprising advantages.

Es hat sich nämlich gezeigt, wenn ein hauchdünner Wasserfilm auf dem Folienschlauch verbleibt, daß dann die Siegelgüte der Quernähte nicht beeinträchtigt wird und im Prinzip keine höhere Energieaufnahme an den Siegelbacken zu erwarten ist. Der anhaftende Wasserfilm hat aber den Vorteil, daß die Stapelbildung der aus dem bandförmigen Folienschlauch abgeschnittenen Einzelscheiben wesentlich verbessert ist, weil der mikrofeine Wasserfilm eine sich verflüchtigende Klebeschicht zwischen den einzelnen Scheiben bildet, die sich dadurch sehr satt und dicht aufeinanderlegen, ohne daß die Gefahr des Verrutschens im Stapel besteht.It has been shown that if an extremely thin film of water remains on the film tube, the sealing quality of the transverse seams is not impaired and in principle no higher energy consumption is to be expected from the sealing jaws. The adhering water film has the advantage that the stacking of the individual slices cut from the band-shaped film tube is significantly improved, because the microfine water film forms a volatilizing adhesive layer between the individual slices, which is thus very rich and close to one another, without the risk of Slipping in the stack.

Damit wird also eine überlegene Stapelhaftung der Einzelscheiben im Stapel erreicht, was bisher mit den bekannten Trockeneinrichtungen nicht möglich war.A superior stack adhesion of the individual disks in the stack is thus achieved, which was previously not possible with the known drying devices.

Man überwindet also mit der vorliegenden Erfindung ein Vorurteil, indem man von der vorherigen, bekannten, vollständigen Entfernung des Wasserfilmes abgeht, was einerseits Energie einspart und andererseits die Stapelqualität wesentlich verbessert.The present invention thus overcomes a prejudice by starting from the previous, known, complete removal of the water film, which on the one hand saves energy and on the other hand significantly improves the stack quality.

Bei der bekannten Lufttrocknung konnte man nämlich die Wasserverteilung auf der Außenseite des bandförmigen Folienschlauches nicht beeinflussen, was dazu führte, daß man eine hohe Wärmeleistung zuführen mußte, weil auch einzelne Tropfen entfernt werden mußten, die sich irgendwo nestartig auf der Oberseite oder Unterseite des Folienschlauches bildeten. Damit war schon von vorn herein eine hohe Wärmeleistung notwendig. Dies wird bei der vorliegenden Erfindung vermieden, indem ein gleichmäßiger, mikrofeiner Wasserfilm auf allen Seiten des bandförmigen Folienschlauches erzeugt wird.In the known air drying, namely, the water distribution on the outside of the band-shaped film tube could not be influenced, which meant that a high heat output had to be applied because individual drops had to be removed, which formed somewhere nest-like on the top or bottom of the film tube . A high heat output was therefore necessary from the outset. This is avoided in the present invention by producing a uniform, microfine water film on all sides of the band-shaped film tube.

Ein Wassereindrang in der nachfolgenden Endverpackungsanlage ist nicht zu befürchten, weil die Abtrocknung im Stapel bereits schon soweit fortgeschritten ist, daß der mikrofeine Wasserfilm bei der Stapelbildung noch kaum mehr vorhanden ist und in der späteren Endverpackung nicht mehr stört.A water infiltration in the subsequent final packaging plant is not to be feared because drying in the stack has already progressed to such an extent that the microfine water film is hardly present when the stack is formed and no longer interferes in the subsequent final packaging.

Ein weiterer Vorteil der erfindungsgemäßen Trockeneinrichtung besteht darin, daß aufgrund der mechanischen Bürstenwalzaktion nun auch Wasser, welches sich im Bereich der Grifflasche der Käseverpackung bildet durch die mechanische Walk- und Abstreif- sowie Ausstreichaktion der Bürstenwalzen leicht von der Folie entfernen läßt, ohne daß es hierbei aufwendiger Trocknungsverfahren bedarf.Another advantage of the drying device according to the invention is that due to the mechanical brush rolling action, water, which forms in the area of the handle of the cheese packaging, can be easily removed from the film by the mechanical flexing, stripping and spreading action of the brush rollers, without it being removed complex drying process required.

Im übrigen hat es sich als vorteilhaft ergeben, wenn die einander zugewandten Bürstenwalzen mit ihren Borsten überlappen, d. h. die Borsten der einen Bürstenwalze greifen teilweise in die Borsten der gegenüberliegenden Bürstenwalze ein, so daß diese sich fingerförmig ineinander verkeilen und durch diesen Borstenspalt sich der bandförmige Folienschlauch bewegt. Im Bereich der Breitseiten werden damit das Wasser durch eine relativ starke mechanische Abstreif-Aktion von den Flachseiten des Folienschlauches entfernt, während im Bereich der Schmalseiten (schmale Stirnseiten) die ineinander tauchende Borsten auch diese schmalen Stirnseiten abbürsten und den dort haftenden Wasserfilm entfernen.In addition, it has turned out to be advantageous if the brush rollers facing one another overlap with their bristles, i. H. the bristles of one brush roller partially engage in the bristles of the opposite brush roller, so that they wedge into one another in a finger shape and the band-shaped film tube moves through this bristle gap. In the area of the broad sides, the water is thus removed from the flat sides of the film tube by a relatively strong mechanical wiping action, while in the area of the narrow sides (narrow end faces), the bristles which dip into one another also brush off these narrow end faces and remove the water film adhering there.

Es wird hierbei im Rahmen der vorliegenden Erfindung bevorzugt, wenn die Trockeneinrichtung aus mindestens zwei einander gegenüberliegenden und einen einzigen Bürstenspalt bildenden Bürstenwalze besteht.It is preferred in the context of the present invention if the drying device consists of at least two brush rollers lying opposite one another and forming a single brush nip.

In einer Weiterbildung der vorliegenden Erfindung ist es vorgesehen, wenn zwei oder mehrere derartig paarweise angeordneten und gegenläufig angetriebenen Bürstenwalzen übereinander anliegend angeordnet sind, um nacheinander folgend den bandförmigen Folienschlauch in Transportrichtung zu behandeln.In a further development of the present invention, it is provided that two or more brush rollers arranged in pairs and driven in opposite directions are arranged one above the other in order to treat the band-shaped film tube in the transport direction in succession.

Der Erfindungsgegenstand der vorliegenden Erfindung ergibt sich nicht nur aus dem Gegenstand der einzelnen Patentansprüche, sondern auch aus der Kombination der einzelnen Patentansprüche untereinander.The subject matter of the present invention results not only from the subject matter of the individual patent claims, but also from the combination of the individual patent claims with one another.

Alle in den Unterlagen, einschließlich der Zusammenfassung, offenbarten Angaben und Merkmale, insbesondere die in den Zeichnungen dargestellte räumliche Ausbildung werden als erfindungswesentlich beansprucht, soweit sie einzeln oder in Kombination gegenüber dem Stand der Technik neu sind.All of the information and features disclosed in the documents, including the summary, in particular the spatial design shown in the drawings are claimed to be essential to the invention, insofar as they are new to the prior art, individually or in combination.

Im folgenden wird die Erfindung anhand von mehrere Ausführungswege darstellenden Zeichnungen näher erläutert. Hierbei gehen aus den Zeichnungen und ihrer Beschreibung weitere erfindungswesentliche Merkmale und Vorteile der Erfindung hervor.In the following, the invention will be explained in more detail with reference to drawings showing several possible embodiments. Here, from the drawings and their description, further features and advantages of the invention that are essential to the invention emerge.

Es zeigen:

Figur 1:
die Trockeneinrichtung in Vorderansicht,
Figur 2:
die Trockeneinrichtung in der Draufsicht in Richtung des Pfeiles II in Figur 1,
Figur 3:
die Trockeneinrichtung nach Figur 1 und 2 in Richtung des Pfeiles III in Figur 2.
Show it:
Figure 1:
the drying device in front view,
Figure 2:
the drying device in plan view in the direction of arrow II in Figure 1,
Figure 3:
the drying device according to Figures 1 and 2 in the direction of arrow III in Figure 2.

Die Trockeneinrichtung 1 nach den Figuren 1 bis 3 besteht im wesentlichen aus einem Gehäuse, welches parallele und einen gegenseitigen Abstand voneinander einnehmende Seitenplatten 4, 5 hat. An der einen Seite ist das Gehäuse geöffnet, während an der anderen Seite an die Seitenplatte 4,5 jeweils Lagerböcke 6, 7 anschließen, auf denen die Antriebseinheiten gelagert sind.The drying device 1 according to Figures 1 to 3 consists essentially of a housing which has parallel and mutually spaced side plates 4, 5. The housing is open on one side, while bearing blocks 6, 7, on which the drive units are mounted, connect to the side plate 4, 5 on the other side.

In den Lagerblöcken 6, 7 ist jeweils ein Antriebsmotor 16, 18 befestigt, dessen Antriebsachse drehfest mit einem Antriebsrad 28, 29 verbunden ist. Über jedes Antriebsrad 28, 29 läuft jeweils ein Antriebsriemen 17, 19, wobei jeder Antriebsriemen 17,19 jeweils ein Paar von den Bürstenwalzen 8, 9; 10, 11 antreibt.A drive motor 16, 18 is fastened in each of the bearing blocks 6, 7, the drive axis of which is connected in a rotationally fixed manner to a drive wheel 28, 29. A drive belt 17, 19 runs over each drive wheel 28, 29, wherein each drive belt 17, 19 each has a pair of the brush rollers 8, 9; 10, 11 drives.

Jede Bürstenwalze weist hierbei zugeordnete Antriebsräder 24, 25 auf, über welche der jeweilige Antriebsriemen 17, 19 läuft.Each brush roller has associated drive wheels 24, 25, over which the respective drive belt 17, 19 runs.

Nachdem die Lager- und Antriebseinheiten genau gleich ausgebildet sind, reicht es aus, jeweils eine Bürsteneinheit, bestehend aus den Bürstenwalzen 8, 9 mit dem Lagerblock 6 zu beschreiben, weil die anderen Bürstenwalzen 10, 11 mit dem Lagerbock 7 genau identisch ausgebildet sind.After the bearing and drive units are of exactly the same design, it is sufficient to describe one brush unit each, consisting of the brush rollers 8, 9 with the bearing block 6, because the other brush rollers 10, 11 are of exactly identical design with the bearing block 7.

Es wurde eingangs bereits schon ausgeführt, daß lediglich eine einzige Bürstenwalzeneinheit 8, 9 vorhanden sein muß, während die andere Bürstenwalzeneinheit 10, 11, entfallen könnte.It has already been stated at the beginning that only a single brush roller unit 8, 9 must be present, while the other brush roller unit 10, 11 could be omitted.

Jede Bürstenwalze 8 - 11 besteht hierbei aus einem Kunststoffkörper 13, auf dem drehfest ein Borstenbelag 12 mit radial nach außen gerichteten Borsten angeordnet ist.Each brush roller 8-11 here consists of a plastic body 13 on which a bristle covering 12 with radially outwardly directed bristles is arranged in a rotationally fixed manner.

Die Borsten der einzelnen Bürstenwalzen 8 - 11 überlappen sich im Überlappungsbereich 22 (Figur 2), d. h. sie tauchen ineinander und greifen fingerförmig ineinander über.The bristles of the individual brush rollers 8-11 overlap in the overlap area 22 (FIG. 2), i. H. they dive into each other and overlap each other like fingers.

Durch den Bürstenspalt der Bürstenpaare 8, 9 bzw. 11, 12 wird der bandförmige Folienschlauch 2, der etwa rechteckförmig profiliert ist, in Pfeilrichtung 3 nach obengehend hindurchgezogen.Through the brush gap of the brush pairs 8, 9 and 11, 12, the band-shaped film tube 2, which is profiled approximately rectangular, is pulled upwards in the direction of arrow 3.

Hierbei sind die jeweiligen Bürstenpaare 8, 9 und 10, 11 entgegen der Transportrichtung (Pfeilrichtung 3) des Folienschlauches 2 angetrieben.The respective pairs of brushes 8, 9 and 10, 11 are driven counter to the transport direction (arrow direction 3) of the film tube 2.

Gemäß Figur 2 bürsten somit die Borstenbeläge 12 der einzelnen Bürstenwalzen 8 - 11 die Breitseiten des Folienschlauches 2 ab, während die Stirnseite 23 zusätzlich durch die sich im Überlappungsbereich 22 ineinander greifenden Borsten abgebürstet werden.According to FIG. 2, the bristle coverings 12 of the individual brush rollers 8-11 thus brush off the broad sides of the film tube 2, while the end face 23 is additionally brushed off by the bristles which interlock in the overlap region 22.

Eine besonders einfache Antriebsanordnung ergibt sich dadurch, daß die paarweise angeordneten Bürstenwalzen 8, 9 und 10, 11 durch den jeweils einzig vorhandenen Antriebsriemen 17, 19 angetrieben werden, wodurch sie in Pfeilrichtung 20, 21 gegenläufig angetrieben sind.A particularly simple drive arrangement results from the fact that the brush rollers 8, 9 arranged in pairs and 10, 11 are driven by the only available drive belt 17, 19, whereby they are driven in opposite directions in the direction of arrow 20, 21.

Das sich im Gehäuse bildende Wasser, welches von dem Folienschlauch 2 abgebürstet wurde, läuft über die Ablauffläche 27 nach unten und sammelt sich im Sammelbehälter 26 und wird durch einen Auslauf 30 nach außen abgeleitet.The water forming in the housing, which has been brushed off by the film tube 2, runs downward over the drain surface 27 and collects in the collecting container 26 and is discharged to the outside through an outlet 30.

In den Figuren 1 und 2 ist im übrigen noch dargestellt, daß beispielsweise die Bürstenwalzen 8, 9 in den Drehachsen 14, 15 im Lagerbock 6 drehbar gelagert sind.In Figures 1 and 2 it is also shown that, for example, the brush rollers 8, 9 are rotatably supported in the bearing block 6 in the axes of rotation 14, 15.

Mit der beschriebenen Trockeneinrichtung wird also am Auslauf 30 ein mikrofeiner Wasserfilm auf allen Flächen des bandförmigen Folienschlauches 2 erzeugt, der die vorher beschriebenen Vorteile bei der Abstapelung der abgeschnittenen Folienscheiben bewirkt.With the drying device described, a microfine water film is thus generated on the outlet 30 on all surfaces of the band-shaped film tube 2, which brings about the advantages described above when stacking the cut off film slices.

Die Bürstenwalzen 8,9,10,11 werden beispielsweise mit einer Umdrehungsgeschwindigkeit von 1100 Umdrehungen pro Minute angetrieben. Wegen dieser hohen Umdrehungszahl kommt es zu einem Abschleudern des Wassers aus dem Borstenbelag 12 und damit sammelt sich das Wasser im Sammelbehälter 26 an.The brush rollers 8,9,10,11 are driven, for example, at a rotational speed of 1100 revolutions per minute. Because of this high number of revolutions, the water is thrown out of the bristle covering 12 and the water thus collects in the collecting container 26.

Der Folienschlauch 2 wird hierbei, z. B. mit einer Geschwindigkeit von 70 m pro Minute durch die Trockeneinrichtung 1 hindurchgezogen.The film tube 2 is, for. B. pulled through the drying device 1 at a speed of 70 m per minute.

Die Dicke des Folienschlauches beträgt etwa 3 mm, die Breite kann z. B. 84 mm betragen, während die Länge praktisch unbegrenzt ist, weil es sich um einen kontinuierlichen Folienschlauch handelt. Die Bürstenwalzen 8 - 11 sind auswechselbar in den Lagerblöcken 6, 7 gehalten.The thickness of the film tube is about 3 mm, the width can e.g. B. 84 mm, while the length is practically unlimited, because it is a continuous film tube. The brush rollers 8 - 11 are held interchangeably in the bearing blocks 6, 7.

Zeichnungs-LegendeDrawing legend

11
TrockeneinrichtungDrying facility
22nd
bandförmiger Folienschlauchribbon-shaped film tube
33rd
PfeilrichtungArrow direction
44th
SeitenplatteSide plate
55
SeitenplatteSide plate
66
LagerblockBearing block
77
LagerblockBearing block
88th
BürstenwalzeBrush roller
99
BürstenwalzeBrush roller
1010th
BürstenwalzeBrush roller
1111
BürstenwalzeBrush roller
1212th
BorstenbelagBristle coating
1313
KunststoffkörperPlastic body
1414
DrehachseAxis of rotation
1515
""
1616
AntriebsmotorDrive motor
1717th
AntriebsriemenDrive belt
1818th
AntriebsmotorDrive motor
1919th
AntriebsriemenDrive belt
2020th
PfeilrichtungArrow direction
2121
""
2222
ÜberlappungsbereichOverlap area
2323
StirnseiteFace
2424th
Antriebsraddrive wheel
2525th
""
2626
SammelbehälterCollection container
2727
AblaufflächeDrainage surface
2828
Antriebsraddrive wheel
2929
""
3030th
AuslaufSpout

Claims (15)

Trockeneinrichtung für gefüllte, bandförmige Folienschläuche mit einer Abfüll-, Form-, Kühl-, Siegel-, Trocken- und Schnittstation sowie einer Stapel- und Endverpackungseinrichtung, wobei die Trockenstation als Kalt- oder Warm-Preßlufttrocknungseinrichtung ausgebildet ist, dadurch gekennzeichnet, daß im Bereich der Trockeneinrichtung (1) gegenläufig zueinander angetriebene Bürstenwalzen (8,9,10,11), durch deren Walzenspalt der bandförmige Folienschlauch (2) in Pfeilrichtung (3) geführt wird, vorhanden sind, wobei die Bürstenwalzen (8,9; 10,11) in Gegenrichtung zur Transportrichtung des Folienschlauches (2) angetrieben sind.Drying device for filled, band-shaped film tubes with a filling, forming, cooling, sealing, drying and cutting station and a stacking and final packaging device, the drying station being designed as a cold or warm compressed air drying device, characterized in that in the area The drying device (1) has brush rollers (8, 9, 10, 11) driven in opposite directions, through the roller gap of which the band-shaped film tube (2) is guided in the direction of the arrow (3), the brush rollers (8, 9; 10, 11 ) are driven in the opposite direction to the transport direction of the film tube (2). Trockeneinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die einander zugewandten Bürstenwalzen (8,9; 10,11) sich mit ihren Borsten in einem Überlappungsbereich (22) überlappen, durch den sich der bandförmige Folienschlauch (2) bewegt, ineinander tauchend und fingerförmig ineinander greifend ausgebildet sind.Drying device according to Claim 1, characterized in that the brush rollers (8, 9; 10, 11) facing one another overlap with their bristles in an overlap region (22) through which the band-shaped film tube (2) moves, diving into one another and finger-like into one another are comprehensively trained. Trockeneinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Trockeneinrichtung (1) mindestens aus zwei einander gegenüberliegenden, jeweils ein Walzenpaar mit einem einzigen Bürstenspalt bildenden, Bürstenwalzen (8,9; 10,11) besteht.Drying device according to claim 1 or 2, characterized in that the drying device (1) consists of at least two opposing brush rollers (8,9; 10,11), each forming a pair of rollers with a single brush gap. Trockeneinrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zwei oder mehrere derartig paarweise angeordneten und gegenläufig angetriebenen Bürstenwalzen (8,9; 10,11) übereinander anliegend angeordnet sind.Drying device according to one of claims 1 to 3, characterized in that two or more brush rollers (8, 9, 10, 11) arranged in pairs and driven in opposite directions are arranged one above the other. Trockeneinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Trockeneinrichtung (1) im wesentlichen aus einem einseitig offenen Gehäuse besteht, welches parallele und einen gegenseitigen Abstand voneinander einnehmende Seitenplatten (4,5) hat, wobei an der geschlossenen Seite dieser Seitenplatten (4,5) zwei Lagerblöcke (6,7) mit Antriebseinheiten anschließen.Drying device according to claim 1, characterized in that the drying device (1) consists essentially of a housing open on one side, which has parallel and mutually spaced side plates (4,5), on the closed side of these side plates (4,5 ) Connect two bearing blocks (6,7) with drive units. Trockeneinrichtung nach Anspruch 1 oder 5, dadurch gekennzeichnet, daß in den Lagerblöcken (6,7) jeweils ein Antriebsmotor (16,18) befestigt ist, dessen Antriebsachse drehfest mit einem zugeordneten Antriebsrad (28,29) verbunden ist, wobei über jedes Antriebsrad (28,29) jeweils ein Antriebsriemen (17,19) läuft, welches über die auf den Bürstenwalzen (8,9; 10,11) vorhandenen Antriebsräder (24,25) jeweils ein Paar von diesen antreibt.Drying device according to claim 1 or 5, characterized in that a drive motor (16, 18) is fastened in each of the bearing blocks (6, 7), the drive axis of which is non-rotatably connected to an associated drive wheel (28, 29), with each drive wheel ( 28, 29) each have a drive belt (17, 19) which drives a pair of these via the drive wheels (24, 25) on the brush rollers (8, 9; 10, 11). Trockeneinrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß jede Bürstenwalze (8,9; 10,11) aus einem axial drehbar auf einer Drehachse (14,15) gelagerten Kunststoffkörper (13), auf dem drehfest ein Borstenbelag (12) mit radial nach außen gerichteten Borsten angeordnet ist, besteht.Drying device according to one of claims 1 to 6, characterized in that each brush roller (8, 9; 10, 11) consists of a plastic body (13) which is axially rotatable on an axis of rotation (14, 15) and on which a bristle covering (12) is fixed. is arranged with radially outwardly directed bristles. Trockeneinrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der bandförmige Folienschlauch (2), der etwa rechteckförmig profiliert ist, in Pfeilrichtung (3) nach oben gehend durch den Bürstenspalt der Bürstenpaare (8,9; 10,11) hindurchgezogen wird, wobei die jeweiligen Bürstenpaare (8,9; 10,11) entgegen der Transportrichtung (Pfeilrichtung 3) des Folienschlauches (2) angetrieben sind.Drying device according to one of claims 1 to 7, characterized in that the band-shaped film tube (2), which is roughly rectangular in profile, is pulled upwards in the direction of the arrow (3) through the brush gap of the brush pairs (8,9; 10,11) , wherein the respective pairs of brushes (8,9; 10,11) are driven counter to the transport direction (arrow direction 3) of the film tube (2). Trockeneinrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß durch den Borstenbelag (12) der einzelnen Bürstenwalzen (8,9, 10,11) die Breitseiten des Folienschlauches (2) abgebürstet, während die Stirnseite (23) des Folienschlauches (2) zusätzlich durch die sich im Überlappungsbereich (22) ineinander greifenden Borsten abgebürstet wird.Drying device according to one of claims 1 to 8, characterized in that the broad sides of the. Through the bristle coating (12) of the individual brush rollers (8,9, 10,11) The film tube (2) is brushed off, while the end face (23) of the film tube (2) is additionally brushed off by the bristles which interlock in the overlap area (22). Trockeneinrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die paarweise angeordneten Bürstenwalzen (8,9; 10,11) durch den jeweils einzigen vorhandenen Antriebsriemen (17,19) in Pfeilrichtung (20, 21) gegenläufig angetrieben sind.Drying device according to one of Claims 1 to 9, characterized in that the brush rollers (8,9; 10,11) arranged in pairs are driven in opposite directions in the direction of the arrow (20, 21) by the only drive belt (17, 19) present. Trockeneinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß sich das vom Folienschlauch (2) abgebürstete, sich im Gehäuse bildende Wasser, über eine Ablauffläche (27) nach unten läuft und sich im Sammelbehälter (26) sammelt und durch einen Auslauf (30) entleerbar ist.Drying device according to claim 1 or 2, characterized in that the water which is brushed off from the film tube (2) and forms in the housing runs down over a drainage surface (27) and collects in the collecting container (26) and through an outlet (30). can be emptied. Trockeneinrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Bürstenwalzen (8,9) in den Drehachsen (14,15) im Lagerblock (6) drehbar gelagert sind.Drying device according to one of claims 1 to 11, characterized in that the brush rollers (8, 9) are rotatably mounted in the bearing block (6) in the axes of rotation (14, 15). Trockeneinrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Bürstenwalzen (8,9, 10,11) vorzugsweise mit einer Umdrehungsgeschwindigkeit von ca. 1100 Umdrehungen pro Minute angetrieben sind.Drying device according to one of claims 1 to 12, characterized in that the brush rollers (8, 9, 10, 11) are preferably driven at a rotational speed of approximately 1100 revolutions per minute. Trockeneinrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß der Folienschlauch (2) mit einer Geschwindigkeit von ca. 70 m pro Minute durch die Trockeneinrichtung (1) hindurchgezogen wird, seine Dicke etwa 3 mm und seine Breite etwa 84 mm beträgt.Drying device according to one of claims 1 to 13, characterized in that the film tube (2) is pulled through the drying device (1) at a speed of approximately 70 m per minute, its thickness is approximately 3 mm and its width is approximately 84 mm. Trockeneinrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die Bürstenwalzen (8,9,10,11) auswechselbar in den Lagerblöcken (6,7) gehalten sind.Drying device according to one of claims 1 to 14, characterized in that the brush rollers (8, 9, 10, 11) are held interchangeably in the bearing blocks (6, 7).
EP97100898A 1996-02-02 1997-01-22 Drying apparatus for filled tubular films Expired - Lifetime EP0787962B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19603717 1996-02-02
DE19603717A DE19603717C2 (en) 1996-02-02 1996-02-02 Drying device for filled, ribbon-shaped film tubes

Publications (3)

Publication Number Publication Date
EP0787962A2 true EP0787962A2 (en) 1997-08-06
EP0787962A3 EP0787962A3 (en) 2000-09-06
EP0787962B1 EP0787962B1 (en) 2003-08-20

Family

ID=7784318

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97100898A Expired - Lifetime EP0787962B1 (en) 1996-02-02 1997-01-22 Drying apparatus for filled tubular films

Country Status (5)

Country Link
US (1) US5761826A (en)
EP (1) EP0787962B1 (en)
JP (1) JPH09310974A (en)
AT (1) ATE247810T1 (en)
DE (2) DE19603717C2 (en)

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CN106322872A (en) * 2016-09-07 2017-01-11 烟台民望机电技术有限公司 Metallurgical cooling and air-drying mechanism

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US7319479B1 (en) 2000-09-22 2008-01-15 Brickstream Corporation System and method for multi-camera linking and analysis
US7171024B2 (en) * 2003-12-01 2007-01-30 Brickstream Corporation Systems and methods for determining if objects are in a queue
CN108729074B (en) * 2018-06-04 2020-11-06 义乌市鼎莎针织有限公司 Drying device is used in cloth processing
CN113091311B (en) * 2021-03-23 2022-05-03 中国水产科学研究院黄海水产研究所 Self-cleaning progressive water scale hot water tank for ship

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US5021265A (en) * 1986-10-09 1991-06-04 Sms Schloemann-Siemag Aktiengesellschaft Roll arrangement for non-deforming treatment of moving web-type products

Cited By (2)

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Also Published As

Publication number Publication date
JPH09310974A (en) 1997-12-02
DE19603717A1 (en) 1997-08-07
DE19603717C2 (en) 1998-12-03
US5761826A (en) 1998-06-09
DE59710590D1 (en) 2003-09-25
EP0787962B1 (en) 2003-08-20
EP0787962A3 (en) 2000-09-06
ATE247810T1 (en) 2003-09-15

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