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EP3415666B1 - Device for cleaning fibres - Google Patents

Device for cleaning fibres Download PDF

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Publication number
EP3415666B1
EP3415666B1 EP18175439.1A EP18175439A EP3415666B1 EP 3415666 B1 EP3415666 B1 EP 3415666B1 EP 18175439 A EP18175439 A EP 18175439A EP 3415666 B1 EP3415666 B1 EP 3415666B1
Authority
EP
European Patent Office
Prior art keywords
feed roller
sieve drum
cleaner
fiber material
drum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18175439.1A
Other languages
German (de)
French (fr)
Other versions
EP3415666A1 (en
Inventor
Tobias WOLFER
Alexander Schmid
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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Publication date
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Publication of EP3415666A1 publication Critical patent/EP3415666A1/en
Application granted granted Critical
Publication of EP3415666B1 publication Critical patent/EP3415666B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/04—Opening or cleaning fibres, e.g. scutching cotton by means of beater arms
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
    • D06G1/00—Beating, brushing, or otherwise mechanically cleaning or pressure cleaning carpets, rugs, sacks, hides, or other skin or textile articles or fabrics
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/08—Opening or cleaning fibres, e.g. scutching cotton by means of air draught arrangements
    • D01G9/10—Opening or cleaning fibres, e.g. scutching cotton by means of air draught arrangements using foraminous cylinders
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/14—Details of machines or apparatus
    • D01G9/16—Feeding arrangements

Definitions

  • the invention relates to a device for cleaning fiber material with a cleaner having a cleaning roller and a cleaner housing and a condenser arranged above the cleaner.
  • Devices which are provided for opening and cleaning fiber material.
  • the fiber material e.g. in the form of fiber flakes
  • the condenser which is provided with a rotatable sieve drum.
  • a vacuum is created within the screen drum, which is generated by a vacuum source.
  • the fiber material fed to the screening drum is sucked onto the surface of the screening drum and deposited thereon. This process separates the fiber material and the transport air.
  • the fiber mat now formed on the surface (outer circumference) of the sieve drum is transferred by the rotary movement of the sieve drum to a rotating feed roller (fan roller), which is provided with outwardly protruding scrapers or compartments via which the fiber material located on the sieve drum is removed.
  • the removed fiber material is released by the rotary movement of the feed roller to a subsequent channel, which has the shape of a funnel and opens into an inlet or inlet nozzle of a subsequent cleaner.
  • the cleaner is provided with a cleaning roller, via which the fiber material is transported in a spiral in the direction of the longitudinal axis of the cleaning roller to a discharge opening.
  • the spiral transport of the fiber material is brought about by guide elements that are fitted in the cleaner. During the transport of the fiber material through the cleaner, this passes several times through a grate attached below the cleaning roller, through which dirt is separated from the fiber material by the influence of striking pins attached to the cleaning roller and under the influence of centrifugal force.
  • the invention is based on the object of proposing a device for cleaning fiber material, which enables continuous cleaning of fiber material with high productivity with a trouble-free transfer of the fiber material from the condenser into the cleaner.
  • a novel device for cleaning fiber material is proposed with a cleaner having a cleaning roller and a cleaner housing and a condenser arranged above the cleaner and a pneumatic supply of the fiber material with transport air to the condenser.
  • the condenser has an air-permeable sieve drum which is rotatably mounted in a screen drum housing and a feed roller which is rotatably mounted in a feed roller housing, each with a longitudinal axis.
  • the feed roller is arranged between the sieve drum and the cleaning roller and the fiber material is guided with the transport air directed towards an outer surface of the sieve drum.
  • a separation of fiber material and transport air is provided by the sieve drum, an interior of the sieve drum being connected to a vacuum source.
  • the feed roller has on its circumference in the direction of the longitudinal axis radially projecting ribs with outer ends, which form an enveloping circle.
  • a distance of less than 1.0 mm is provided between the outer surface of the screen drum and the enveloping circle of the feed roller.
  • a distance between the enveloping circle of the feed roller and a surface of the cleaning roller is 30 mm to 250 mm.
  • the distance between the outer ends of the ribs of the feed roller and the surface of the cleaning roller is limited to 30 mm to 250 mm, advantageously the feed roller housing in the area of an inlet opening of the cleaner is connected to the cleaner housing. This ensures an even and trouble-free flow of fiber material to the cleaner following the feed roller.
  • the condenser is thus placed directly on the cleaner housing, which also leads to a structurally simpler solution.
  • the speed of the feed roller is 300 to 500 revolutions per minute and the screen drum 100 to 200 revolutions per minute. This ensures gentle treatment of the fiber material and safe stripping of the fiber material from the sieve drum.
  • the generally larger diameter of the sieve drum compared to the envelope diameter of the feed roller results in an almost equally large circumferential speed between the surface of the sieve drum and the outer ends of the ribs of the feed roller, which ensures the stripping process of the fiber material from the sieve drum, the distance between them being advantageous the envelope circle of the feed roller and the outer surface of the screen drum is zero and the envelope circle of the feed roller and the outer surface of the screen drum touch.
  • a direction of rotation of the feed roller and the screen drum are preferably opposed, which further improves the stripping process.
  • the axes of the screening drum and the feed roller are advantageously arranged parallel to the axis of the cleaning roller. This ensures a continuous tangential feed of the fiber material flow to the cleaning roller.
  • the feed roller In order to adapt the width of the fiber material stream stripped from the sieve drum to the subsequent inlet opening of the inlet of the cleaner, the feed roller preferably has a length which corresponds to the length of the inlet opening of the cleaner. This means that no further means are necessary to adapt the flow of fiber material emitted by the feed roller to the width of the inlet opening of the cleaner. Accordingly, it is advantageous if a length of the feed roller corresponds to a length of the screen drum.
  • An outer diameter of the screen drum is preferably 400 to 700 mm and a diameter of the enveloping circle of the feed roller is 100 to 250 mm. This ensures that the peripheral speed of the sieve drum is too high and the fiber material is stripped off safely.
  • FIG 1 shows a schematic representation of an embodiment of a cleaning device according to the prior art, which comprises a condenser 4 and a cleaner 1 arranged below the condenser 4 with a cleaning roller 3 rotatably mounted in a cleaner housing 22.
  • the condenser 4 has a sieve drum 5 which is rotatably mounted about a longitudinal axis 7 in a sieve drum housing 14 and is loaded with fiber material 2 via a channel 17, and one about a longitudinal axis 8 rotatable in a feed roller housing 18 feed roller 6 (also called fan roller).
  • the fibrous material 2 is fed to the screening drum 5 by means of transport air 9.
  • a vacuum is created in the interior 25 of the screening drum 5 by a vacuum source 29.
  • the supplied fiber material 2 is sucked onto the surface 10 of the screening drum 5 and separated from the transport air 9 by the air-permeable surface 10 of the screening drum 5, which air passes through the openings of the screening drum 5 and is discharged via the vacuum source 29.
  • a nonwoven fabric is formed on the circumference 10 of the sieve drum 5, which is transferred to a passage opening 28 in the sieve drum housing 14 by the direction of rotation of the sieve drum 5 identified by an arrow.
  • the feed roller 6 is arranged below the screen drum 5 and the feed roller housing 18 directly adjoins the screen drum housing 14.
  • the direction of rotation of the feed roller 6 corresponds to the direction of rotation of the screen drum 5.
  • the surface of the feed roller 6 and the surface 10 of the screen drum 5 move in the opposite direction.
  • the fiber material fleece formed on the surface 10 of the sieve drum 5 is stripped off by the rotational movement of the feed roller 6 and the ribs 11 which project outwards and are attached to the periphery of the feed roller 6 and are discharged downward into a conveying channel 20 by gravity.
  • the conveyor channel 20 is funnel-shaped (see Fig. 2 the CH 695 154 A5 ), so that the fiber material mass released by the feed roller 6 is combined on the cross section of a subsequent input opening 21 of the cleaner 1.
  • the fiber material is fed tangentially to the cleaning roller 3 via this inlet opening 21.
  • the cleaning roller 3 is provided on its outer circumference with striking pins 23, via which the fiber material supplied, in cooperation with guide plates 27 arranged above the cleaning roller 3, is transferred helically in the direction of the longitudinal axis 12 to an outlet 26 of the cleaner. The cleaned fiber material is then released to other process stages. During this helical transport within the cleaner 1 If the fiber material is passed several times past a grate 24 arranged below the cleaning roller 3, impurities are separated from the fiber material.
  • a cleaner 1 with a cleaning roller 3 rotatably mounted about a longitudinal axis 12 in a cleaner housing 22 and a condenser 4 with a screening drum 5 and a feed roller 6 are provided.
  • the sieve drum 5 is rotatably mounted in a sieve drum housing 14 about a longitudinal axis 7.
  • the feed roller 6 is rotatably mounted in a feed roller housing 18 about a longitudinal axis 8.
  • the condenser 4 or the sieve drum 5 is loaded with fiber material 2 by means of transport air 9 via a channel 17.
  • the interior of the sieve drum 5 is connected to a vacuum source 29.
  • the supplied fiber material 2 is sucked onto the surface 10 of the screening drum 5 and separated from the transport air 9 by the air-permeable surface 10 of the screening drum 5, which air passes through the openings of the screening drum 5 and is discharged via the vacuum source 29.
  • a nonwoven fabric is formed on the circumference 10 of the sieve drum 5, which is transferred to a passage opening 28 in the sieve drum housing 14 by the direction of rotation of the sieve drum 5 identified by an arrow.
  • the nonwoven fabric formed on the circumference 10 of the sieve drum 5 is stripped in the area of the passage opening 28 by the feed roller 6 arranged below the sieve drum 5 and conveyed to the inlet opening 21 of the cleaner 1.
  • the ends 15 of the ribs 11 mounted on the circumference of the feed roller 6 form an enveloping circle 13 of the feed roller.
  • the feed roller 6 is arranged in relation to the screen drum in such a way that there is a distance a between the enveloping circle 13 of the feed roller and the surface 10 of the screen drum 5.
  • the distance a is less than 1 mm and in the best case zero, so that the ends 15 of the ribs 11 come into direct contact with the surface 10 of the screening drum 5 during the stripping process.
  • the ribs 11 thus additionally form during the stripping process a blocking element for the passage of transport air 9 still located in this area.
  • the distance b between the outer ends 15 of the ribs 11 of the feed roller 6 and the surface 16 of the cleaning roller 3 is selected from 30 mm to 250 mm. This ensures continuous fiber transport.
  • the fiber material is fed tangentially to the cleaning roller 3 via the inlet opening 21.
  • the cleaning roller 3 is provided on its outer circumference with striking pins 23, via which the fiber material supplied, in cooperation with guide plates 27 arranged above the cleaning roller 3, is transferred helically in the direction of the longitudinal axis 12 to an outlet 26.
  • the cleaned fiber material is then released to other process stages. During this helical transport within the cleaner 1, the fiber material is guided several times past a grate 24 attached below the cleaning roller 3, and impurities are separated from the fiber material.
  • FIG 3 shows an enlarged schematic representation of a side view X after the Figure 2 with the cleaner 1 and a cleaner housing 22 and the condenser 4 arranged above the cleaner 1.
  • the condenser 4 has a screen drum 5 with a screen drum housing 14 and a feed roller 6 with a feed roller housing 18.
  • the screen drum housing 14 is connected to the feed roller housing 18 in the region of a passage opening 28.
  • the longitudinal axis 7 of the screen drum 5 and the longitudinal axis 8 of the feed roller 6 are arranged parallel to the longitudinal axis 12 of the cleaning roller 3.
  • the fiber material discharged downward from the feed roller 6 becomes direct and without changing the cross section of the inlet opening 21 of the cleaner 1 supplied, whereby it is dispensed directly onto the circumference of a cleaning roller 3 provided with striking pins 23.
  • the fiber material is then conveyed helically in the direction of the longitudinal axis 12 of the cleaning roller 3 to an outlet 26. This conveyance is also supported by guide elements 27 attached above the cleaning roller 3.
  • the separation of impurities from the fiber material takes place via a grate 24 attached below the cleaning roller 3, which is crossed several times by the fiber material during transport of the fiber material to the outlet 26.
  • the fiber material discharged downwards from the feed roller 6 is fed directly and directly to an inlet opening 21 of the cleaner 1, whereby it is discharged directly onto the circumference of the cleaning roller 3 provided with striking pins 23.
  • the feed roller housing 18 is connected to the cleaner housing 22 in the region of an inlet opening 21 of the cleaner 1.
  • the condenser 4 is thus placed directly on the cleaner housing 22.
  • the screening drum 5 has a length d and the feed roller 6 has a length c, which are the same size and correspond approximately to the width of the inlet opening 21 of the cleaner. It is therefore not necessary to bring together the fiber material discharged from the screening drum 5. I.e. the fiber material discharged from the sieve drum 5 can be fed directly to the inlet opening 21 via the feed roller 6.
  • the outside diameter e of the screen drum 5 can be between 400 and 700 mm, while the diameter f of the enveloping circle 13 of the feed roller 6 can be between 100 and 250 mm.
  • the sieve drum 5, the feed roller 6 and the cleaning roller 3 are driven by the drive 19. However, it is also possible to provide individual drives for these elements.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Combined Means For Separation Of Solids (AREA)

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur Reinigung von Fasergut mit einem eine Reinigungswalze und ein Reinigergehäuse aufweisenden Reiniger und einem oberhalb des Reinigers angeordneten Kondenser.The invention relates to a device for cleaning fiber material with a cleaner having a cleaning roller and a cleaner housing and a condenser arranged above the cleaner.

Aus dem Stand der Technik, z. B. aus der veröffentlichten CH 695 154 A5 , sind Vorrichtungen bekannt, welche zum Öffnen und Reinigen von Fasergut vorgesehen sind. Dabei wird das Fasergut (z. B. in Form von Faserflocken) über einen Transportkanal unter Einwirkung einer erzeugten Transportluft einem Kondenser zugeführt, welcher mit einer drehbar gelagerten Siebtrommel versehen ist. Innerhalb der Siebtrommel ist ein Unterdruck angelegt, der von einer Unterdruckquelle erzeugt wird. Dadurch wird das, der Siebtrommel zugeführte Fasergut auf die Oberfläche der Siebtrommel angesaugt und auf dieser abgelegt. Bei diesem Vorgang erfolgt eine Trennung zwischen dem Fasergut und der Transportluft. Die nunmehr sich auf der Oberfläche (Aussenumfang) der Siebtrommel gebildete Fasermatte wird durch die Drehbewegung der Siebtrommel zu einer rotierenden Speisewalze (Fächerwalze) überführt, welche mit nach aussen ragenden Abstreifern, bzw. mit Fächern versehen ist, über welche das auf der Siebtrommel befindliche Fasergut abgenommen wird. Das abgenommene Fasergut wird durch die Drehbewegung der Speisewalze an einen nachfolgenden Kanal abgegeben, welcher die Form eines Trichters aufweist und in eine Einlauf, bzw. Eintrittsstutzen eines nachfolgenden Reinigers mündet. Der Reiniger ist mit einer Reinigungswalze versehen, über welche das Fasergut spiralförmig in Richtung der Längsachse der Reinigungswalze bis zu einer Abgabeöffnung transportiert wird. Der spiralförmige Transport des Fasergutes wird durch entsprechend im Reiniger angebrachte Leitelemente bewirkt. Während des Transportes des Fasergutes durch den Reiniger passiert dieses mehrmals einen unterhalb der Reinigungswalze angebrachten Rost, über welchen durch den Einfluss von, auf der Reinigungswalze angebrachten Schlagstiften und unter Einwirkung der Fliehkraft Verunreinigungen aus dem Fasergut abgeschieden werden.From the prior art, e.g. B. from the published CH 695 154 A5 , Devices are known which are provided for opening and cleaning fiber material. The fiber material (e.g. in the form of fiber flakes) is fed via a transport channel under the influence of a transport air generated to a condenser which is provided with a rotatable sieve drum. A vacuum is created within the screen drum, which is generated by a vacuum source. As a result, the fiber material fed to the screening drum is sucked onto the surface of the screening drum and deposited thereon. This process separates the fiber material and the transport air. The fiber mat now formed on the surface (outer circumference) of the sieve drum is transferred by the rotary movement of the sieve drum to a rotating feed roller (fan roller), which is provided with outwardly protruding scrapers or compartments via which the fiber material located on the sieve drum is removed. The removed fiber material is released by the rotary movement of the feed roller to a subsequent channel, which has the shape of a funnel and opens into an inlet or inlet nozzle of a subsequent cleaner. The cleaner is provided with a cleaning roller, via which the fiber material is transported in a spiral in the direction of the longitudinal axis of the cleaning roller to a discharge opening. The spiral transport of the fiber material is brought about by guide elements that are fitted in the cleaner. During the transport of the fiber material through the cleaner, this passes several times through a grate attached below the cleaning roller, through which dirt is separated from the fiber material by the influence of striking pins attached to the cleaning roller and under the influence of centrifugal force.

Durch den Einsatz eines trichterförmigen Kanals zwischen der Speisewalze und eines Eintrittsstutzens des nachfolgenden Reinigers wird das, von einer Siebtrommel über eine grosse Querschnittsfläche abgegebene Fasergut, auf die Querschnittsfläche des Eintrittsstutzens zusammengeführt. Nachteilig an dieser Ausführung ist, dass innerhalb des Kanals Störungen entstehen, durch welche Ablagerungen und Verstopfungen im Kanal auftreten. Diese Störungen können durch Reibungen an den Kanalinnenwänden und unerwünschte Luftströmungen innerhalb des Kanals entstehen. Ebenso kommen bei den bekannten Ausführungen unerwünschte Verdichtungen des Fasergutes im Kanal vor.The use of a funnel-shaped channel between the feed roller and an inlet nozzle of the subsequent cleaner removes this from a sieve drum a large cross-sectional area of delivered fiber material, brought together on the cross-sectional area of the inlet connector. A disadvantage of this design is that there are disturbances within the channel, through which deposits and blockages occur in the channel. These disturbances can arise from friction on the inside walls of the duct and undesirable air currents inside the duct. Likewise, in the known designs, undesirable compression of the fiber material occurs in the channel.

Der Erfindung liegt nunmehr die Aufgabe zugrunde eine Vorrichtung zur Reinigung von Fasergut vorzuschlagen, welche ein kontinuierliches Reinigen von Fasergut mit hoher Produktivität mit einer störungsfreien Übergabe des Fasergutes vom Kondenser in den Reiniger ermöglicht.The invention is based on the object of proposing a device for cleaning fiber material, which enables continuous cleaning of fiber material with high productivity with a trouble-free transfer of the fiber material from the condenser into the cleaner.

Die Aufgabe wird gelöst durch eine Vorrichtung mit den Merkmalen des unabhängigen Anspruchs.The object is achieved by a device with the features of the independent claim.

Zur Lösung der Aufgabe wird eine neuartige Vorrichtung zur Reinigung von Fasergut mit einem eine Reinigungswalze und ein Reinigergehäuse aufweisenden Reiniger und einem oberhalb des Reinigers angeordneten Kondenser und einer pneumatischen Zuführung des Fasergutes mit Transportluft zum Kondenser vorgeschlagen. Der Kondenser weist eine luftdurchlässige, in einem Siebtrommelgehäuse drehbar gelagerte Siebtrommel und eine, in einem Speisewalzengehäuse drehbar gelagerte Speisewalze mit jeweils einer Längsachse auf. Die Speisewalze ist zwischen der Siebtrommel und der Reinigungswalze angeordnet und das Fasergut ist mit der Transportluft auf eine äussere Oberfläche der Siebtrommel gerichtet geführt. Es ist eine Trennung von Fasergut und Transportluft durch die Siebtrommel vorgesehen, wobei ein Innenraum der Siebtrommel an eine Unterdruckquelle angeschlossen ist. Die Speisewalze weist an ihrem Umfang in Richtung der Längsachse angeordnete radial abstehende Rippen mit äusseren Enden auf, welche einen Hüllkreis bilden. Zwischen der äusseren Oberfläche der Siebtrommel und dem Hüllkreis der Speisewalze ist ein Abstand von weniger als 1,0 mm vorgesehen. Ein Abstand zwischen dem Hüllkreis der Speisewalze und einer Oberfläche der Reinigungswalze beträgt 30 mm bis 250 mm.To solve the problem, a novel device for cleaning fiber material is proposed with a cleaner having a cleaning roller and a cleaner housing and a condenser arranged above the cleaner and a pneumatic supply of the fiber material with transport air to the condenser. The condenser has an air-permeable sieve drum which is rotatably mounted in a screen drum housing and a feed roller which is rotatably mounted in a feed roller housing, each with a longitudinal axis. The feed roller is arranged between the sieve drum and the cleaning roller and the fiber material is guided with the transport air directed towards an outer surface of the sieve drum. A separation of fiber material and transport air is provided by the sieve drum, an interior of the sieve drum being connected to a vacuum source. The feed roller has on its circumference in the direction of the longitudinal axis radially projecting ribs with outer ends, which form an enveloping circle. A distance of less than 1.0 mm is provided between the outer surface of the screen drum and the enveloping circle of the feed roller. A distance between the enveloping circle of the feed roller and a surface of the cleaning roller is 30 mm to 250 mm.

Damit wird ermöglicht, dass infolge des vorgeschlagenen geringen Abstandes zwischen der Oberfläche der Siebtrommel und der Rippen der Speisewalze ein vollständiges Abstreifen des Fasergutes gewährleistet wird und zusätzlich eine Sperrwirkung für die Transportluft entsteht, um zu verhindern, dass diese zum nachfolgenden Reiniger gelangt. Gleichzeitig wird durch die unmittelbare Abgabe des Fasergutes von der Speisewalze in eine Eingangsöffnung des nachfolgenden Reinigers ohne Zwischenschaltung eines zusätzlichen Kanals oder Füllschachtes ein störungsfreier Übergang des Fasergutes vom Kondenser in den Reiniger gewährleistet.This makes it possible that due to the proposed small distance between the surface of the screen drum and the ribs of the feed roller, a complete wiping off of the fiber material is ensured and an additional blocking effect for the transport air is created to prevent it from reaching the subsequent cleaner. At the same time, the direct delivery of the fiber material from the feed roller into an inlet opening of the subsequent cleaner without the interposition of an additional channel or filling shaft ensures a trouble-free transition of the fiber material from the condenser into the cleaner.

Für die unmittelbare Übernahme des von der Speisewalze nach unten abgegebenen Fasergutes durch die nachfolgende Reinigungswalze des Reinigers ist der Abstand zwischen den äusseren Enden der Rippen der Speisewalze und der Oberfläche der Reinigungswalze auf 30 mm bis 250 mm begrenzt, wobei vorteilhafterweise das Speisewalzengehäuse im Bereich einer Eingangsöffnung des Reinigers mit dem Reinigergehäuse verbunden ist. Damit wird ein gleichmässiger und störungsfreier Fasergutstrom zum Reiniger im Anschluss an die Speisewalze gewährleistet. Der Kondenser ist somit direkt auf dem Reinigergehäuse aufgesetzt, was auch zu einer konstruktiv einfacheren Lösung führt.For the immediate takeover of the fiber material discharged downwards from the feed roller by the subsequent cleaning roller of the cleaner, the distance between the outer ends of the ribs of the feed roller and the surface of the cleaning roller is limited to 30 mm to 250 mm, advantageously the feed roller housing in the area of an inlet opening of the cleaner is connected to the cleaner housing. This ensures an even and trouble-free flow of fiber material to the cleaner following the feed roller. The condenser is thus placed directly on the cleaner housing, which also leads to a structurally simpler solution.

Vorteilhafterweise beträgt eine Drehzahl der Speisewalze 300 bis 500 Umdrehungen pro Minute und der Siebtrommel 100 bis 200 Umdrehungen pro Minute. Damit werden eine schonende Behandlung des Fasergutes und ein sicheres Abstreifen des Fasergutes von der Siebtrommel gewährleistet. Durch den in der Regel grösseren Durchmesser der Siebtrommel gegenüber dem Hüllkreisdurchmesser der Speisewalze ergibt sich eine nahezu gleichgrosse Umfangsgeschwindigkeit zwischen der Oberfläche der Siebtrommel und den äusseren Enden der Rippen der Speisewalze, womit der Abstreifvorgang des Fasergutes von der Siebtrommel gewährleistet wird, wobei vorteilhafterweise der Abstand zwischen dem Hüllkreis der Speisewalze und der äusseren Oberfläche der Siebtrommel Null ist und sich der Hüllkreis der Speisewalze und die äussere Oberfläche der Siebtrommel berühren.Advantageously, the speed of the feed roller is 300 to 500 revolutions per minute and the screen drum 100 to 200 revolutions per minute. This ensures gentle treatment of the fiber material and safe stripping of the fiber material from the sieve drum. The generally larger diameter of the sieve drum compared to the envelope diameter of the feed roller results in an almost equally large circumferential speed between the surface of the sieve drum and the outer ends of the ribs of the feed roller, which ensures the stripping process of the fiber material from the sieve drum, the distance between them being advantageous the envelope circle of the feed roller and the outer surface of the screen drum is zero and the envelope circle of the feed roller and the outer surface of the screen drum touch.

Bevorzugterweise sind eine Drehrichtung der Speisewalze und der Siebtrommel entgegengerichtet, wodurch der Abstreifvorgang weiter verbessert wird.A direction of rotation of the feed roller and the screen drum are preferably opposed, which further improves the stripping process.

Vorteilhafterweise sind die Achsen der Siebtrommel und der Speisewalze parallel zur Achse der Reinigungswalze angeordnet. Dadurch wird eine kontinuierliche tangentiale Zuführung des Fasergutstromes zur Reinigungswalze gewährleistet.The axes of the screening drum and the feed roller are advantageously arranged parallel to the axis of the cleaning roller. This ensures a continuous tangential feed of the fiber material flow to the cleaning roller.

Um die Breite des von der Siebtrommel abgestreiften Fasergutstromes auf die nachfolgende Eingangsöffnung des Einlaufes des Reinigers anzupassen weist bevorzugterweise die Speisewalze eine Länge auf, welche der Länge der Eingangsöffnung des Reinigers entspricht. Damit sind keine weiteren Mittel notwendig, um den von der Speisewalze abgegebenen Fasergutstrom auf die Breite der Eingangsöffnung des Reinigers anzupassen. Entsprechend ist es von Vorteil, wenn eine Länge der Speisewalze einer Länge der Siebtrommel entspricht.In order to adapt the width of the fiber material stream stripped from the sieve drum to the subsequent inlet opening of the inlet of the cleaner, the feed roller preferably has a length which corresponds to the length of the inlet opening of the cleaner. This means that no further means are necessary to adapt the flow of fiber material emitted by the feed roller to the width of the inlet opening of the cleaner. Accordingly, it is advantageous if a length of the feed roller corresponds to a length of the screen drum.

Vorzugsweise betragen ein Aussendurchmesser der Siebtrommel 400 bis 700 mm und ein Durchmesser des Hüllkreises der Speisewalze 100 bis 250 mm. Damit werden eine zu hohe Umfangsgeschwindigkeit der Siebtrommel und ein sicheres Abstreifen des Fasergutes gewährleistet.An outer diameter of the screen drum is preferably 400 to 700 mm and a diameter of the enveloping circle of the feed roller is 100 to 250 mm. This ensures that the peripheral speed of the sieve drum is too high and the fiber material is stripped off safely.

Weitere Vorteile der Erfindung werden in nachfolgenden Zeichnungen und deren Beschreibung näher aufgezeigt. Es zeigen:

  • Figur 1 eine schematische Darstellung einer Vorrichtung nach dem Stand der Technik;
  • Figur 2 eine schematische Darstellung einer Ausführungsform nach der Erfindung und
  • Figur 3 eine vergrösserte schematische Darstellung einer Seitenansicht X nach Figur 2.
Further advantages of the invention are shown in more detail in the following drawings and their description. Show it:
  • Figure 1 a schematic representation of a device according to the prior art;
  • Figure 2 is a schematic representation of an embodiment according to the invention and
  • Figure 3 an enlarged schematic representation of a side view X to Figure 2 .

Figur 1 zeigt eine schematische Darstellung einer Ausführungsform einer Reinigungsvorrichtung nach dem Stand der Technik, welche einen Kondenser 4 und einen unterhalb des Kondensers 4 angeordneten Reiniger 1 mit einer in einem Reinigergehäuse 22 drehbar gelagerten Reinigungswalze 3 umfasst. Der Kondenser 4 weist eine um eine Längsachse 7 drehbar in einem Siebtrommelgehäuse 14 gelagerte Siebtrommel 5 auf, welche über einen Kanal 17 mit Fasergut 2 beschickt wird, und eine um eine Längsachse 8 drehbar in einem Speisewalzengehäuse 18 gelagerte Speisewalze 6 (auch Fächerwalze genannt) auf. Figure 1 shows a schematic representation of an embodiment of a cleaning device according to the prior art, which comprises a condenser 4 and a cleaner 1 arranged below the condenser 4 with a cleaning roller 3 rotatably mounted in a cleaner housing 22. The condenser 4 has a sieve drum 5 which is rotatably mounted about a longitudinal axis 7 in a sieve drum housing 14 and is loaded with fiber material 2 via a channel 17, and one about a longitudinal axis 8 rotatable in a feed roller housing 18 feed roller 6 (also called fan roller).

Mittels Transportluft 9 wird das Fasergut 2 der Siebtrommel 5 zugeführt. Im Innenraum 25 der Siebtrommel 5 ist ein Unterdruck durch eine Unterdruckquelle 29 angelegt. Dadurch wird das zugeführte Fasergut 2 auf die Oberfläche 10 der Siebtrommel 5 angesaugt und durch die luftdurchlässige Oberfläche 10 der Siebtrommel 5 von der Transportluft 9 getrennt, welche die Öffnungen der Siebtrommel 5 passiert und über die Unterdruckquelle 29 abgeführt wird. Bei diesem Vorgang bildet sich ein Fasergutvlies auf dem Umfang 10 der Siebtrommel 5, welches durch die, mit einem Pfeil gekennzeichnete Drehrichtung der Siebtrommel 5 zu einer Durchtrittsöffnung 28 im Siebtrommelgehäuse 14 überführt wird.The fibrous material 2 is fed to the screening drum 5 by means of transport air 9. A vacuum is created in the interior 25 of the screening drum 5 by a vacuum source 29. As a result, the supplied fiber material 2 is sucked onto the surface 10 of the screening drum 5 and separated from the transport air 9 by the air-permeable surface 10 of the screening drum 5, which air passes through the openings of the screening drum 5 and is discharged via the vacuum source 29. In this process, a nonwoven fabric is formed on the circumference 10 of the sieve drum 5, which is transferred to a passage opening 28 in the sieve drum housing 14 by the direction of rotation of the sieve drum 5 identified by an arrow.

Die Speisewalze 6 ist unterhalb der Siebtrommel 5 angeordnet und das Speisewalzengehäuse 18 schliesst unmittelbar an das Siebtrommelgehäuse 14 an. Die Drehrichtung der Speisewalze 6 entspricht der Drehrichtung der Siebtrommel 5. Dadurch bewegen sich die Oberfläche der Speisewalze 6 und die Oberfläche 10 der Siebtrommel 5 in entgegengesetzter Richtung.The feed roller 6 is arranged below the screen drum 5 and the feed roller housing 18 directly adjoins the screen drum housing 14. The direction of rotation of the feed roller 6 corresponds to the direction of rotation of the screen drum 5. As a result, the surface of the feed roller 6 and the surface 10 of the screen drum 5 move in the opposite direction.

Das auf der Oberfläche 10 der Siebtrommel 5 gebildete Fasergutvlies wird durch die Drehbewegung der Speisewalze 6 und den am Umfang der Speisewalze 6 angebrachten, nach aussen ragenden Rippen 11 abgestreift und über Schwerkraft nach unten in einen Förderkanal 20 abgegeben. Der Förderkanal 20 ist dabei trichterförmig ausgebildet (siehe Fig.2 der CH 695 154 A5 ), damit die von der Speisewalze 6 abgegebene Fasergutmasse auf den Querschnitt einer nachfolgenden Eingangsöffnung 21 des Reinigers 1 zusammengefasst wird. Über diese Eingangsöffnung 21 wird das Fasergut tangential der Reinigungswalze 3 zugeführt. Die Reinigungswalze 3 ist auf ihrem Aussenumfang mit Schlagstiften 23 versehen, über welche das zugeführte Fasergut im Zusammenwirken mit oberhalb der Reinigungswalze 3 angeordneten Leitblechen 27 schraubenlinienförmig in Richtung der Längsachse 12 zu einem Auslauf 26 des Reinigers überführt wird. Nachfolgend wird das gereinigte Fasergut an weitere Prozessstufen abgegeben. Bei diesem schraubenlinienförmigen Transport innerhalb des Reinigers 1 wird das Fasergut mehrmals an einem unterhalb der Reinigungswalze 3 angebrachten Rost 24 vorbeigeführt, dabei werden Verunreinigungen aus dem Fasergut abgeschieden.The fiber material fleece formed on the surface 10 of the sieve drum 5 is stripped off by the rotational movement of the feed roller 6 and the ribs 11 which project outwards and are attached to the periphery of the feed roller 6 and are discharged downward into a conveying channel 20 by gravity. The conveyor channel 20 is funnel-shaped (see Fig. 2 the CH 695 154 A5 ), so that the fiber material mass released by the feed roller 6 is combined on the cross section of a subsequent input opening 21 of the cleaner 1. The fiber material is fed tangentially to the cleaning roller 3 via this inlet opening 21. The cleaning roller 3 is provided on its outer circumference with striking pins 23, via which the fiber material supplied, in cooperation with guide plates 27 arranged above the cleaning roller 3, is transferred helically in the direction of the longitudinal axis 12 to an outlet 26 of the cleaner. The cleaned fiber material is then released to other process stages. During this helical transport within the cleaner 1 If the fiber material is passed several times past a grate 24 arranged below the cleaning roller 3, impurities are separated from the fiber material.

In Figur 2 wird in schematischer Darstellung eine Ausführungsform der Vorrichtung nach der Erfindung gezeigt, wobei gleiche Bezugszeichen für die Teile verwendet werden, welche den Teilen der bekannten Ausführung nach Figur 1 entsprechen.In Figure 2 an embodiment of the device according to the invention is shown in a schematic representation, the same reference numerals being used for the parts which correspond to the parts of the known embodiment Figure 1 correspond.

Auch in der Ausführungsform der Figur 2 ist ein Reiniger 1 mit einer um eine Längsachse 12 in einem Reinigergehäuse 22 drehbar gelagerten Reinigungswalze 3 und ein Kondenser 4 mit einer Siebtrommel 5 und einer Speisewalze 6 vorgesehen. Die Siebtrommel 5 ist in einem Siebtrommelgehäuse 14 um eine Längsachse 7 drehbar gelagert. Die Speisewalze 6 ist in einem Speisewalzengehäuse 18 um eine Längsachse 8 drehbar gelagert. Der Kondenser 4 respektive die Siebtrommel 5 wird über einen Kanal 17 mit Fasergut 2 mittels Transportluft 9 beschickt. Die Siebtrommel 5 ist mit ihrem Innenraum 25 mit einer Unterdruckquelle 29 verbunden. Dadurch wird das zugeführte Fasergut 2 auf die Oberfläche 10 der Siebtrommel 5 angesaugt und durch die luftdurchlässige Oberfläche 10 der Siebtrommel 5 von der Transportluft 9 getrennt, welche die Öffnungen der Siebtrommel 5 passiert und über die Unterdruckquelle 29 abgeführt wird. Bei diesem Vorgang bildet sich ein Fasergutvlies auf dem Umfang 10 der Siebtrommel 5, welches durch die, mit einem Pfeil gekennzeichnete Drehrichtung der Siebtrommel 5 zu einer Durchtrittsöffnung 28 im Siebtrommelgehäuse 14 überführt wird.Also in the embodiment of the Figure 2 a cleaner 1 with a cleaning roller 3 rotatably mounted about a longitudinal axis 12 in a cleaner housing 22 and a condenser 4 with a screening drum 5 and a feed roller 6 are provided. The sieve drum 5 is rotatably mounted in a sieve drum housing 14 about a longitudinal axis 7. The feed roller 6 is rotatably mounted in a feed roller housing 18 about a longitudinal axis 8. The condenser 4 or the sieve drum 5 is loaded with fiber material 2 by means of transport air 9 via a channel 17. The interior of the sieve drum 5 is connected to a vacuum source 29. As a result, the supplied fiber material 2 is sucked onto the surface 10 of the screening drum 5 and separated from the transport air 9 by the air-permeable surface 10 of the screening drum 5, which air passes through the openings of the screening drum 5 and is discharged via the vacuum source 29. In this process, a nonwoven fabric is formed on the circumference 10 of the sieve drum 5, which is transferred to a passage opening 28 in the sieve drum housing 14 by the direction of rotation of the sieve drum 5 identified by an arrow.

Das auf dem Umfang 10 der Siebtrommel 5 gebildete Fasergutvlies wird im Bereich der Durchtrittsöffnung 28 von der unterhalb der Siebtrommel 5 angeordneten Speisewalze 6 abgestreift und zur Eingangsöffnung 21 des Reinigers 1 gefördert. Die Enden 15 der auf der Speisewalze 6 am Umfang angebrachten Rippen 11 bilden einen Hüllkreis 13 der Speisewalze. Die Speisewalze 6 ist zur Siebtrommel so angeordnet, dass ein Abstand a zwischen dem Hüllkreis 13 der Speisewalze und der Oberfläche 10 der Siebtrommel 5 besteht. Der Abstand a ist dabei kleiner als 1 mm und im besten Fall Null, wodurch die Enden 15 der Rippen 11 beim Abstreifvorgang direkt in Anlage auf der Oberfläche 10 der Siebtrommel 5 kommen. Damit bilden die Rippen 11 beim Abstreifvorgang zusätzlich ein Sperrelement für den Durchtritt von in diesem Bereich noch befindlicher Transportluft 9.The nonwoven fabric formed on the circumference 10 of the sieve drum 5 is stripped in the area of the passage opening 28 by the feed roller 6 arranged below the sieve drum 5 and conveyed to the inlet opening 21 of the cleaner 1. The ends 15 of the ribs 11 mounted on the circumference of the feed roller 6 form an enveloping circle 13 of the feed roller. The feed roller 6 is arranged in relation to the screen drum in such a way that there is a distance a between the enveloping circle 13 of the feed roller and the surface 10 of the screen drum 5. The distance a is less than 1 mm and in the best case zero, so that the ends 15 of the ribs 11 come into direct contact with the surface 10 of the screening drum 5 during the stripping process. The ribs 11 thus additionally form during the stripping process a blocking element for the passage of transport air 9 still located in this area.

Durch die gleichgerichteten Drehrichtungen der Siebtrommel 5 und der Speisewalze 6 bewegt sich die Oberfläche 10 der Siebtrommel 5 entgegen den Rippen 11 der Speisewalze. Dadurch wird eine effiziente Abstreifung des Fasergutes von der Siebtrommel 5 erreicht.Due to the same direction of rotation of the screen drum 5 and the feed roller 6, the surface 10 of the screen drum 5 moves against the ribs 11 of the feed roller. As a result, efficient stripping of the fiber material from the screening drum 5 is achieved.

Um eine störungsfreie direkte Abgabe von der Speisewalze 6 an die Reinigungswalze 3 zu gewährleisten ist der Abstand b zwischen den äusseren Enden 15 der Rippen 11 der Speisewalze 6 und der Oberfläche 16 der Reinigungswalze 3 von 30 mm bis 250 mm gewählt. Damit wird ein kontinuierlicher Faserguttransport gewährleistet.In order to ensure trouble-free direct delivery from the feed roller 6 to the cleaning roller 3, the distance b between the outer ends 15 of the ribs 11 of the feed roller 6 and the surface 16 of the cleaning roller 3 is selected from 30 mm to 250 mm. This ensures continuous fiber transport.

Über die Eingangsöffnung 21 wird das Fasergut tangential der Reinigungswalze 3 zugeführt. Die Reinigungswalze 3 ist auf ihrem Aussenumfang mit Schlagstiften 23 versehen, über welche das zugeführte Fasergut im Zusammenwirken mit oberhalb der Reinigungswalze 3 angeordneten Leitblechen 27 schraubenlinienförmig in Richtung der Längsachse 12 zu einem Auslauf 26 überführt wird. Nachfolgend wird das gereinigte Fasergut an weitere Prozessstufen abgegeben. Bei diesem schraubenlinienförmigen Transport innerhalb des Reinigers 1 wird das Fasergut mehrmals an einem unterhalb der Reinigungswalze 3 angebrachten Rost 24 vorbeigeführt, dabei werden Verunreinigungen aus dem Fasergut abgeschieden.The fiber material is fed tangentially to the cleaning roller 3 via the inlet opening 21. The cleaning roller 3 is provided on its outer circumference with striking pins 23, via which the fiber material supplied, in cooperation with guide plates 27 arranged above the cleaning roller 3, is transferred helically in the direction of the longitudinal axis 12 to an outlet 26. The cleaned fiber material is then released to other process stages. During this helical transport within the cleaner 1, the fiber material is guided several times past a grate 24 attached below the cleaning roller 3, and impurities are separated from the fiber material.

Figur 3 zeigt in einer vergrösserten schematischen Darstellung eine Seitenansicht X nach der Figur 2 mit dem Reiniger 1 und einem Reinigergehäuse 22 und dem oberhalb des Reinigers 1 angeordneten Kondenser 4. Der Kondenser 4 weist eine Siebtrommel 5 mit einem Siebtrommelgehäuse 14 und eine Speisewalze 6 mit einem Speisewalzengehäuse 18 auf. Das Siebtrommelgehäuse 14 ist mit dem Speisewalzengehäuse 18 im Bereich einer Durchtrittsöffnung 28 verbunden. Die Längsachse 7 der Siebtrommel 5, sowie die Längsachse 8 der Speisewalze 6 sind parallel zur Längsachse 12 der Reinigungswalze 3 angeordnet. Dadurch wird das von der Speisewalze 6 nach unten abgegebene Fasergut direkt und ohne Querschnittsveränderung der Eingangsöffnung 21 des Reinigers 1 zugeführt, womit es direkt auf den Umfang einer mit Schlagstiften 23 versehenen Reinigungswalze 3 abgegeben wird. Anschliessend wird das Fasergut schraubenlinienförmig in Richtung der Längsachse 12 der Reinigungswalze 3 zu einem Auslauf 26 befördert. Diese Förderung wird ebenfalls unterstützt durch oberhalb der Reinigungswalze 3 angebrachte Leitelemente 27. Die Abscheidung von Verunreinigungen aus dem Fasergut erfolgt über einen unterhalb der Reinigungswalze 3 angebrachten Rost 24, welcher beim Transport des Fasergutes zum Auslauf 26 mehrmals vom Fasergut überquert wird. Figure 3 shows an enlarged schematic representation of a side view X after the Figure 2 with the cleaner 1 and a cleaner housing 22 and the condenser 4 arranged above the cleaner 1. The condenser 4 has a screen drum 5 with a screen drum housing 14 and a feed roller 6 with a feed roller housing 18. The screen drum housing 14 is connected to the feed roller housing 18 in the region of a passage opening 28. The longitudinal axis 7 of the screen drum 5 and the longitudinal axis 8 of the feed roller 6 are arranged parallel to the longitudinal axis 12 of the cleaning roller 3. As a result, the fiber material discharged downward from the feed roller 6 becomes direct and without changing the cross section of the inlet opening 21 of the cleaner 1 supplied, whereby it is dispensed directly onto the circumference of a cleaning roller 3 provided with striking pins 23. The fiber material is then conveyed helically in the direction of the longitudinal axis 12 of the cleaning roller 3 to an outlet 26. This conveyance is also supported by guide elements 27 attached above the cleaning roller 3. The separation of impurities from the fiber material takes place via a grate 24 attached below the cleaning roller 3, which is crossed several times by the fiber material during transport of the fiber material to the outlet 26.

Das von der Speisewalze 6 nach unten abgegebene Fasergut wird direkt und unmittelbar einer Eingangsöffnung 21 des Reinigers 1 zugeführt, womit es direkt auf den Umfang der mit Schlagstiften 23 versehenen Reinigungswalze 3 abgegeben wird. Dabei ist das Speisewalzengehäuse 18 im Bereich einer Eingangsöffnung 21 des Reinigers 1 mit dem Reinigergehäuse 22 verbunden. Der Kondenser 4 ist somit direkt auf dem Reinigergehäuse 22 aufgesetzt.The fiber material discharged downwards from the feed roller 6 is fed directly and directly to an inlet opening 21 of the cleaner 1, whereby it is discharged directly onto the circumference of the cleaning roller 3 provided with striking pins 23. The feed roller housing 18 is connected to the cleaner housing 22 in the region of an inlet opening 21 of the cleaner 1. The condenser 4 is thus placed directly on the cleaner housing 22.

Die Siebtrommel 5 weist eine Länge d und die Speisewalze 6 ein Länge c auf, welche gleich gross sind und etwa der Breite der Eingangsöffnung 21 des Reinigers entsprechen. Damit ist es nicht notwendig, das von der Siebtrommel 5 abgegebene Fasergut zusammenzuführen. D.h. das von der Siebtrommel 5 abgegebene Fasergut kann direkt über die Speisewalze 6 der Eingangsöffnung 21 zugeführt werden.The screening drum 5 has a length d and the feed roller 6 has a length c, which are the same size and correspond approximately to the width of the inlet opening 21 of the cleaner. It is therefore not necessary to bring together the fiber material discharged from the screening drum 5. I.e. the fiber material discharged from the sieve drum 5 can be fed directly to the inlet opening 21 via the feed roller 6.

Der Aussendurchmesser e der Siebtrommel 5 kann zwischen 400 und 700 mm betragen, während der Durchmesser f des Hüllkreises 13 der Speisewalze 6 zwischen 100 und 250 mm betragen kann.The outside diameter e of the screen drum 5 can be between 400 and 700 mm, while the diameter f of the enveloping circle 13 of the feed roller 6 can be between 100 and 250 mm.

Ein Antrieb der Siebtrommel 5, der Speisewalze 6 und der Reinigungswalze 3 erfolgt durch den Antrieb 19. Es ist jedoch auch möglich Einzelantriebe für diese Elemente vorzusehen.The sieve drum 5, the feed roller 6 and the cleaning roller 3 are driven by the drive 19. However, it is also possible to provide individual drives for these elements.

LegendeLegend

11
Reinigercleanser
22nd
FasergutFiber
33rd
ReinigungswalzeCleaning roller
44th
KondenserCondenser
55
SiebtrommelSieve drum
66
SpeisewalzeFeed roller
77
Längsachse SiebtrommelLongitudinal axis screening drum
88th
Längsachse SpeisewalzeLongitudinal axis feed roller
99
TransportluftTransport air
1010th
Äussere Oberfläche SiebtrommelOuter surface of the screen drum
1111
RippenRibs
1212th
Längsachse ReinigungswalzeLongitudinal axis cleaning roller
1313
Hüllkreis SpeisewalzeEnvelope circle feed roller
1414
SiebtrommelgehäuseScreen drum housing
1515
Äusseres Ende der RippenOuter end of the ribs
1616
Oberfläche ReinigungswalzeCleaning roller surface
1717th
Kanalchannel
1818th
SpeisewalzengehäuseFeed roll housing
1919th
Antriebdrive
2020th
FörderkanalConveyor channel
2121
Eingangsöffnung ReinigerEntrance opening cleaner
2222
ReinigergehäuseCleaner housing
2323
SchlagstifteFiring pins
2424th
Rostrust
2525th
Innenraum SiebtrommelInterior screening drum
2626
Auslauf ReinigerSpout cleaner
2727
LeitblechBaffle
2828
DurchtrittsöffnungPassage opening
2929
UnterdruckquelleVacuum source
aa
Abstand Hüllkreis Speisewalze zu Oberfläche SiebtrommelDistance between the feed roller envelope and the surface of the screen drum
bb
Abstand Hüllkreis Speisewalze zu Oberfläche ReinigungswalzeDistance between feed roller envelope and cleaning roller surface
cc
Länge SpeisewalzeLength feed roller
dd
Länge SiebtrommelLength of screening drum
ee
Aussendurchmesser SiebtrommelOutside diameter drum
ff
Durchmesser Hüllkreis SpeisewalzeDiameter enveloping feed roller

Claims (8)

  1. A device for cleaning fiber material (2) with a cleaner (1) having a cleaner roller (3) and a cleaner housing (22) and with a condenser (4) arranged above the cleaner (1) and with a pneumatic feed of the fiber material (2) with transport air (9), wherein the condenser (4) has an air-permeable sieve drum (5) mounted to rotate in a sieve drum housing (14) and has a feed roller (6) mounted to rotate in a feed roller housing (18), each having a longitudinal axis (7, 8), such that the feed roller (6) is arranged between the sieve drum (5) and the cleaning roller (3), and the fiber material (2) is guided, directed by the transport air (9) onto an outer surface (10) of the sieve drum (5), and a separation of fiber material (2) and transport air (9) through the sieve drum (5) is provided, wherein an interior (26) of the sieve drum (5) is connected to a vacuum source (29), wherein the feed roller (6) has radially protruding ribs (11) with outer ends (15) arranged on its circumference in the direction of the longitudinal axis (8), these ribs forming an enveloping circle (13), characterized in that a distance (a) of less than 1.0 mm is provided between the outer surface (10) of the sieve drum (5) and the enveloping circle (13) of the feed roller (6), and a distance (b) is provided between the enveloping circle (13) of the feed roller (6) and a surface (16) of the cleaning roller (3) amounts to 30 mm to 250 mm.
  2. The device according to claim 1, characterized in that the feed roller housing (18) is connected to the cleaner housing (22) in the area of an entrance opening (22) of the cleaner (1).
  3. The device according to claim 1, characterized in that the rotational speed of the feed roller (6) is 300 to 500 revolutions per minute, and that of the sieve drum (5) is 100 to 200 revolutions per minute.
  4. The device according to claim 1 or 2, characterized in that the distance (a) is zero, and the enveloping circle (13) of the feed roller (6) comes in contact with the outer surface (10) of the sieve drum (5).
  5. The device according to any one of the preceding claims, characterized in that the direction of rotation of the feed roller (6) is the same as the direction of rotation of the sieve drum (5).
  6. The device according to any one of the preceding claims, characterized in that the longitudinal axes (7, 8) of the sieve drum (5) and of the feed roller (6) are arranged in parallel to a longitudinal axis (12) of the cleaning roller (3).
  7. The device (1) according to any one of the preceding claims, characterized in that the length (c) of the feed roller (6) corresponds to the length (d) of the sieve drum (5).
  8. The device (1) according to any one of the preceding claims, characterized in that the outside diameter € of the sieve drum (5) is 400 to 700 mm, and the diameter (f) of the enveloping circle (13) of the feed roller (6) is 100 to 250 mm.
EP18175439.1A 2017-06-15 2018-06-01 Device for cleaning fibres Active EP3415666B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00777/17A CH713895A1 (en) 2017-06-15 2017-06-15 Device for cleaning fiber material.

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CN113003529A (en) * 2021-04-13 2021-06-22 安徽华艾生态农业科技发展有限公司 Moxa loading attachment is used in processing of moxa quilt

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BE627124A (en) * 1962-01-15
EP0353482B1 (en) * 1988-08-02 1994-03-23 Trützschler GmbH & Co. KG Apparatus for opening and cleaning fibre material, especially cotton
ITMI20001840A1 (en) * 1999-08-30 2001-02-28 Truetzschler Gmbh & Co Kg DEVICE FOR OPENING AND CLEANING OF FIBER MATERIAL.
ITTO20010518A1 (en) * 2001-05-31 2002-12-01 Marzoli Spa APRITOIO AND OPENING PROCEDURE.
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ITBS20090120A1 (en) * 2009-06-30 2011-01-01 Marzoli Spa FEEDER DEVICE FOR A MACHINE FOR FIBER PROCESSING FOR CARDING PREPARATION
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EP3415666A1 (en) 2018-12-19
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