EP0468985A1 - A device for feeding flaked fibrous material. - Google Patents

A device for feeding flaked fibrous material.

Info

Publication number
EP0468985A1
EP0468985A1 EP90905468A EP90905468A EP0468985A1 EP 0468985 A1 EP0468985 A1 EP 0468985A1 EP 90905468 A EP90905468 A EP 90905468A EP 90905468 A EP90905468 A EP 90905468A EP 0468985 A1 EP0468985 A1 EP 0468985A1
Authority
EP
European Patent Office
Prior art keywords
shaft
air
duct
air flow
filling
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
EP90905468A
Other languages
German (de)
French (fr)
Other versions
EP0468985B1 (en
Inventor
Akiva Pinto
Guenter Lucassen
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.)
Hollingsworth GmbH
Hergeth Hollingsworth GmbH
Original Assignee
Hollingsworth GmbH
Hergeth Hollingsworth GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hollingsworth GmbH, Hergeth Hollingsworth GmbH filed Critical Hollingsworth GmbH
Publication of EP0468985A1 publication Critical patent/EP0468985A1/en
Application granted granted Critical
Publication of EP0468985B1 publication Critical patent/EP0468985B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/02—Hoppers; Delivery shoots

Definitions

  • the invention relates to a device for feeding flake fiber material to processing machines according to the preamble of the main claim.
  • Such feeding devices are used, for example, for cards or cards, but also for opening and cleaning machines.
  • a known device for feeding fiber processing machines e.g. Carding, carding, punching machines or the like is known for example from DE-OS 36 25 311.
  • the feed device has an upper filling shaft with perforated walls from which the transport air flow can be removed.
  • a feed roller is arranged which interacts with an impact or opening roller.
  • a feed shaft with also partially perforated shaft walls leads to a pair of feed rollers via which the nonwoven fabric is fed to the subsequent processing machine.
  • Tangential to the impact roller, but behind the impact point a stream of compressed air is blown in, which emerges again at the perforated shaft walls of the feed shaft and is fed to a fan for recirculation.
  • the transport air flow which emerges at the upper filling shaft, is discharged via a separate exhaust air duct.
  • a separate exhaust air duct Such a feeding device only allows the compression of the fibers in the feed shaft, but does not help to reduce the dust carried with cotton fiber flakes.
  • the invention is based on the object of further developing the feed device of the type mentioned at the outset in such a way that a reduction in the proportion of dust in the fiber flakes is made possible.
  • the transport air flow is advantageously carried out inside the housing in an exhaust duct essentially parallel to the filling and feed duct to an exhaust air connection at the lower part of the machine.
  • This exhaust air connection is arranged downstream of the air-permeable shaft wall of the feed shaft and can thereby also additionally discharge the compressed air flow which has been separated from the fibers and which is particularly enriched with dust and foreign particles after the point of impact between the feed and impact roller.
  • a partial air flow of the transport air flow led out of the filling shaft is used as the compression air flow, the branch point being arranged downstream of the air-permeable shaft wall of the filling shaft, but in front of the air-permeable shaft wall of the feed shaft.
  • the branched-off partial air stream is directed tangentially to the beater roller at the nip point between the feed and beater rollers, which advantageously means that the branched-off partial air stream is not only used as a compressed air stream, but also at the point of impact in the nip point the blowing effect supports the removal of dust and foreign particles from the fiber flakes.
  • the compression stream enriched with the waste and dust particles is then not recirculated but disposed of directly via the exhaust duct.
  • the partial air flow can be shut off and released alternately, as a result of which a pump effect occurs in the feed shaft, which enables a self-cleaning effect on the air-permeable shaft wall of the feed shaft, thereby clogging the air-permeable shaft wall, e.g. a screen wall, prevented, and a smooth continuous operation guaranteed.
  • the exhaust air duct can be at least partially intermittently shut off downstream of the air-permeable duct wall of the filling duct. In this way, a self-cleaning effect on the air-permeable shaft wall can also be achieved in the filling shaft. Shutting off can be done via slides or flaps, which can also be divided across the width of the shaft and can be operated alternately. An exemplary embodiment of the invention is explained in more detail below with reference to the single drawing.
  • the figure shows a feed device for a card, but the air duct is also suitable for a feed opening of an opening and cleaning machine.
  • the fiber material in flake form is fed via a transport channel 10 to an upper filling shaft 1, which is connected via an air-permeable shaft wall 2 to an exhaust air space 3, which is a component of an exhaust air shaft 4, which extends from the exhaust air chamber 3 to the lower part of the machine to an exhaust air connection 5 runs essentially parallel to the filling shaft 1 and the feed shaft 6 arranged underneath.
  • This exhaust duct 4 is arranged within the housing 7 of the feed device.
  • a feed roller 8 is arranged which interacts with an impact or opening roller 9, from which the feed shaft 6 extends tangentially.
  • the feed shaft 6 also has an at least partially air-permeable shaft wall 11, which is also open to the exhaust shaft 4.
  • flaps or slides 12 are arranged which are opened or closed intermittently, whereby a pump effect is generated in the filling shaft, which prevents the air-permeable intermediate wall 2 from clogging.
  • the shut-off valves and slide valves can also only release part of the shaft width.
  • a ventilator 14 is arranged in the exhaust air duct 4 in the section below the filling duct 1, which fan controls a partial air flow B of the transmission branches off air stream A and tangentially to the beater roller feeds the nip between feed roller 8 and beater roller 9, via a pivotable slide 15 which intermittently holds or releases the suction opening 16 of the fan 14, is a pulsating blowing in of the partial air stream B. possible.
  • the partial air flow B is shown behind the impact point in the feed shaft 6 as a compression flow C, which in the lower region of the feed shaft 6 passes through the air-permeable shaft wall 11 of the feed shaft 6, identified by the arrows D, into the exhaust air shaft 4, in order to mix there with the transport air stream E reduced by the partial air stream B and to be disposed of as exhaust air F via the exhaust air connection 5.
  • the feed shaft 6 is slightly inclined from the vertical by the feed roller 8 by approximately 10 'and passes into a shaft chute 18 without take-off rollers, via which the nonwoven fabric is fed to a card 20.
  • the exhaust air connection 5 can be connected to an exhaust air disposal 22 of the card 20.

Abstract

Dans un dispositif destiné à l'alimentation d'une matière fibreuse sous forme de flocons à destination de machines de traitement muni d'un conduit de remplissage supérieur (1) disposé dans un boîtier, ledit conduit possède sur sa partie inférieure un cylindre d'alimentation (8) qui coopère avec un cylindre frappeur ou ouvreur (9) d'où part tangentiellement un conduit d'alimentation (6), le conduit de remplissage (1) ainsi que le conduit d'alimentation (6) présentant une paroi (2, 11) au moins partiellement perméable à l'air, une compression pneumatique intervenant en outre dans le conduit d'alimentation par insufflation d'un flux d'air de compression (C) et le flux d'air de transport (A) étant évacué sur la paroi (2) perméable à l'air du conduit de remplissage (1), il est prévu que le flux d'air de transport (A) soit évacué dans un conduit d'évacuation (3, 4) essentiellement parallèle aux conduits de remplissage et d'alimentation (1, 6) à l'intérieur du boîtier (7) jusqu'à un raccord d'évacuation d'air (5) se trouvant en aval de la paroi (11) perméable à l'air du conduit d'alimentation, qu'à un point de dérivation entre le conduit de remplissage (1) et le conduit d'alimentation (6) un flux d'air partiel (B) du flux d'air de transport (A) soit introduit dans le conduit d'alimentation (6) comme flux d'air de compression (C) et que le flux d'air de compression (D) sortant de la paroi (11) perméable à l'air du conduit d'alimentation soit introduit, en aval du point de dérivation, dans le conduit d'évacuation d'air (4).In a device intended for the supply of a fibrous material in the form of flakes intended for processing machines provided with an upper filling duct (1) arranged in a housing, said duct has on its lower part a cylinder of supply (8) which cooperates with a striking or opener cylinder (9) from which a supply duct (6) leaves tangentially, the filling duct (1) as well as the supply duct (6) having a wall ( 2, 11) at least partially permeable to air, pneumatic compression also taking place in the supply duct by blowing in a flow of compression air (C) and the flow of transport air (A) being discharged on the air-permeable wall (2) of the filling duct (1), provision is made for the transport air flow (A) to be discharged into a substantially parallel exhaust duct (3, 4) to the filling and supply pipes (1, 6) inside the housing (7) to a connection d air outlet (5) located downstream of the air-permeable wall (11) of the supply duct, only at a point of bypass between the filling duct (1) and the supply duct (6) a partial air flow (B) of the transport air flow (A) is introduced into the supply duct (6) as the compression air flow (C) and that the air flow compression (D) exiting the air-permeable wall (11) of the supply duct is introduced, downstream of the bypass point, into the air discharge duct (4).

Description

Vorrichtung zum Speisen von in Flockenform befindlichem FasergutDevice for feeding flake fiber material
Die Erfindung betrifft eine Vorrichtung zum Speisen von in Flockenform befindlichem Fasergut zu Verarbeitungs¬ maschinen nach dem Oberbegriff des Hauptanspruchs.The invention relates to a device for feeding flake fiber material to processing machines according to the preamble of the main claim.
Derartige Speisevorrichtungen werden beispielsweise für Karden oder Krempel aber auch für öffnungs- und Reini- gungsmaschinen verwendet.Such feeding devices are used, for example, for cards or cards, but also for opening and cleaning machines.
Eine bekannte Vorrichtung zum Speisen von Fasermaterial verarbeitenden Maschinen z.B. Karden, Krempeln, Schlag¬ maschinen oder dergleichen ist beispielsweise aus der DE-OS 36 25 311 bekannt. Die Speisevorrichtung weist einen oberen Füllschacht mit perforierten Wänden auf, aus denen der Transportluftstrom abgeführt werden kann. Am unteren Ende des Füllschachtes ist eine Speisewalze angeordnet, die mit einer Schlag- oder öffnerwalze zu¬ sammenwirkt. Tangential von der Schlagwalze führt ein Speiseschacht mit ebenfalls teilweise perforierten Schachtwänden zu einem Einzugswalzenpaar, über das das Faservlies der nachfolgenden Verarbeitungsmaschine zugeführt wird. Tangential zu der Schlagwalze aber hinter der Schlagstelle wird ein Verdichtungsluftstrom eingeblasen, der an den perforierten Schachtwänden des Speiseschachtes wieder austritt und einem Ventilator zwecks Rezirkulation zugeführt wird.A known device for feeding fiber processing machines e.g. Carding, carding, punching machines or the like is known for example from DE-OS 36 25 311. The feed device has an upper filling shaft with perforated walls from which the transport air flow can be removed. At the lower end of the filling shaft, a feed roller is arranged which interacts with an impact or opening roller. Tangentially from the beater roller, a feed shaft with also partially perforated shaft walls leads to a pair of feed rollers via which the nonwoven fabric is fed to the subsequent processing machine. Tangential to the impact roller, but behind the impact point, a stream of compressed air is blown in, which emerges again at the perforated shaft walls of the feed shaft and is fed to a fan for recirculation.
Der Transportluftstrom, der an dem oberen Füllschacht austritt, wird über einen separaten Abluftkanal abge¬ führt. Eine derartige Speisevorrichtung ermöglicht nur die Verdichtung der Fasern im Speiseschacht, trägt aber nicht zur Verringerung des mit Baumwollfaserflocken mitgeführten Staubes bei.The transport air flow, which emerges at the upper filling shaft, is discharged via a separate exhaust air duct. Such a feeding device only allows the compression of the fibers in the feed shaft, but does not help to reduce the dust carried with cotton fiber flakes.
Der Erfindung liegt die Aufgabe zugrunde, die Speisevor- richtung der eingangs genannten Art derart weiterzubil¬ den, daß eine Verringerung des Staubanteils in den Fa¬ serflocken ermöglicht wird.The invention is based on the object of further developing the feed device of the type mentioned at the outset in such a way that a reduction in the proportion of dust in the fiber flakes is made possible.
Zur Lösung dieser Aufgabe dienen erfindungsgemäß die Merkmale des Hauptanspruchs.According to the invention, the features of the main claim serve to achieve this object.
Der Transportluftstrom wird in vorteilhafter Weise in¬ nerhalb des Gehäuses in einem im wesentlichen zu dem Füll- und Speiseschacht parallelen Abluftschacht zu einem Abluftanschluß am unteren Teil der Maschine ab¬ geführt. Dieser Abluftanschluß ist stromabwärts der luftdurchlässigen Schachtwand des Speiseschachtes an¬ geordnet und kann dadurch auch den wieder von den Fa- sern abgetrennten Verdichtungsluftstrom zusätzlich ab¬ führen, der nach der Schlagstelle zwischen Speise- und Schlagwalze besonders mit Staub- und Fremdpartikeln angereichert ist. Als Verdichtungsluftstrom wird ein Teilluftstrom des aus dem Füllschacht herausgeführten Transportluftstroms verwendet, wobei die Abzweigstelle stromabwärts der luftdurchlässigen Schachtwand des Füllschachtes, aber vor der luftdurchlässigen Schacht¬ wand des Speiseschachtes angeordnet ist. Auf diese Weise ist sichergestellt, daß als Verdichtungsluftstrom nur der im Füllschacht abgetrennte Transportluftstrom verwendet wird. Über den im unteren Teil der Maschine angeordneten Ab¬ luftanschluß kann der gesamte Abluftstrom einer Abluft¬ entsorgung z.B. der Nachfolgemaschine angeschlossen werden.The transport air flow is advantageously carried out inside the housing in an exhaust duct essentially parallel to the filling and feed duct to an exhaust air connection at the lower part of the machine. This exhaust air connection is arranged downstream of the air-permeable shaft wall of the feed shaft and can thereby also additionally discharge the compressed air flow which has been separated from the fibers and which is particularly enriched with dust and foreign particles after the point of impact between the feed and impact roller. A partial air flow of the transport air flow led out of the filling shaft is used as the compression air flow, the branch point being arranged downstream of the air-permeable shaft wall of the filling shaft, but in front of the air-permeable shaft wall of the feed shaft. In this way it is ensured that only the transport air stream separated in the filling shaft is used as the compression air stream. Via the exhaust air connection arranged in the lower part of the machine, the entire exhaust air flow of an exhaust air disposal, for example of the subsequent machine, can be connected.
Vorzugsweise ist vorgesehen, daß der abgezweigte Teil¬ luftstrom tangential zur Schlagwalze auf den Klemmpunkt zwischen Speise- und Schlagwalze gerichtet ist, wodurch in vorteilhafter Weise der abgezweigte Teilluftstrom nicht nur als Verdichtungsluftstrom verwendet wird, sondern darüber hinaus an der Schlagstelle in dem Klemm¬ punkt durch die Blaswirkung ein Herauslösen von Staub¬ und Fremdpartikel aus den Faserflocken unterstützt. Der mit den Abfall- und Staubpartikeln angereicherte Ver¬ dichtungsstrom wird dann nicht rezirkuliert sondern direkt über den Abluftschacht entsorgt.It is preferably provided that the branched-off partial air stream is directed tangentially to the beater roller at the nip point between the feed and beater rollers, which advantageously means that the branched-off partial air stream is not only used as a compressed air stream, but also at the point of impact in the nip point the blowing effect supports the removal of dust and foreign particles from the fiber flakes. The compression stream enriched with the waste and dust particles is then not recirculated but disposed of directly via the exhaust duct.
Der Teilluftstrom kann abwechselnd abgesperrt und frei¬ gegeben sein, wodurch in dem Speiseschacht ein Pu p- effekt auftritt, der an der luftdurchlässigen Schacht¬ wand des Speiseschachtes einen Selbstreinigungseffekt ermöglicht, dadurch ein Zusetzen der luftdurchlässigen Schachtwand, z.B. einer Siebwand, verhindert, und einen reibungslosen kontinuierlichen Betrieb gewährleistet.The partial air flow can be shut off and released alternately, as a result of which a pump effect occurs in the feed shaft, which enables a self-cleaning effect on the air-permeable shaft wall of the feed shaft, thereby clogging the air-permeable shaft wall, e.g. a screen wall, prevented, and a smooth continuous operation guaranteed.
Der .Abluftschacht kann stromabwärts der luftdurchlässi¬ gen Schachtwand des Füllschachtes zumindest teilweise intermittierend absperrbar sein. Auf diese Weise ist auch im Füllschacht ein Selbstreinigungseffekt an der luftdurchlässigen Schachtwand erreichbar. Das Absperren kann über Schieber oder Klappen erfolgen, die über die Breite des Schachtes auch unterteilt sein können und abwechselnd betätigt werden können. Im folgenden wird unter Bezugnahme auf die einzige Zeichnung ein Ausführungsbeispiel der Erfindung näher erläutert.The exhaust air duct can be at least partially intermittently shut off downstream of the air-permeable duct wall of the filling duct. In this way, a self-cleaning effect on the air-permeable shaft wall can also be achieved in the filling shaft. Shutting off can be done via slides or flaps, which can also be divided across the width of the shaft and can be operated alternately. An exemplary embodiment of the invention is explained in more detail below with reference to the single drawing.
Die Figur zeigt eine Speisevorrichtung für eine Karde, wobei die Luftführung aber auch für eine Speiseöffnung einer öffnungs- und Reinigungsmaschine geeignet ist. Das in Flockenform befindliche Fasergut wird über einen Transportkanal 10 einem oberen Füllschacht 1 zugeführt, der über eine luftdurchlässige Schachtwand 2 mit einem Ablufträum 3 verbunden ist, der ein Bestandteil eines Abluftschachtes 4 ist, der von der Abluftkammer 3 bis in -den unteren Teil der Maschine zu einem Abluftan¬ schluß 5 im wesentlichen parallel zu dem Füllschacht 1 und dem darunter angeordneten Speiseschacht 6 verläuft. Dieser Abluftschacht 4 ist dabei innerhalb des Gehäuses 7 der Speisevorrichtung angeordnet.The figure shows a feed device for a card, but the air duct is also suitable for a feed opening of an opening and cleaning machine. The fiber material in flake form is fed via a transport channel 10 to an upper filling shaft 1, which is connected via an air-permeable shaft wall 2 to an exhaust air space 3, which is a component of an exhaust air shaft 4, which extends from the exhaust air chamber 3 to the lower part of the machine to an exhaust air connection 5 runs essentially parallel to the filling shaft 1 and the feed shaft 6 arranged underneath. This exhaust duct 4 is arranged within the housing 7 of the feed device.
Am unteren Ende des Füllschachtes 1 ist eine Speisewal- ze 8 angeordnet, die mit einer Schlag- oder öffnerwalze 9 zusammenwirkt, von der der Speiseschacht 6 tangential abgeht. Auch der Speiseschacht 6 weist eine zumindest teilweise luftdurchlässige Schachtwand 11 auf, die eben¬ falls zum Abluftschacht 4 hin offen ist. Am unteren Ende der Abluftkammer 3 sind Klappen oder Schieber 12 angeordnet, die intermittierend geöffnet oder geschlos¬ sen werden, wodurch in dem Füllschacht ein Pumpeffekt erzeugt wird, der verhindert, daß sich die luftdurch¬ lässige Zwischenwand 2 zusetzt. Die Absperrklappen und Schieber können auch jeweils nur einen Teil der Schacht¬ breite freigeben. In dem Abluftschacht 4 in dem Ab¬ schnitt unterhalb des Füllschachtes 1 ist ein Ventila¬ tor 14 angeordnet, der einen Teilluftstrom B des Trans- portluftstromes A abzweigt und tangential zur Schlag¬ walze dem Klemmpunkt zwischen Speisewalze 8 und Schlag¬ walze 9 zuführt, über einen schwenkbaren Schieber 15, der intermittierend die Ansaugöffnung 16 des Ventila- tors 14 zuhält oder freigibt, ist ein pulsierendes Ein¬ blasen des Teilluftstromes B möglich. Der Teilluftstrom B ist hinter der Schlagstelle in dem Speiseschacht 6 als Verdichtungsstrom C dargestellt, der im unteren Bereich des Speiseschachtes 6 durch die luftdurchlässig- e Schachtwand 11 des Speiseschachtes 6, durch die Pfei¬ le D gekennzeichnet, in den Abluftschacht 4 hindurch¬ tritt, um sich dort mit dem um den Teilluftstrom B ver¬ minderten Transportluftstrom E zu vermischen und als Abluft F über den Abluftanschluß 5 entsorgt zu werden.At the lower end of the filling shaft 1, a feed roller 8 is arranged which interacts with an impact or opening roller 9, from which the feed shaft 6 extends tangentially. The feed shaft 6 also has an at least partially air-permeable shaft wall 11, which is also open to the exhaust shaft 4. At the lower end of the exhaust air chamber 3, flaps or slides 12 are arranged which are opened or closed intermittently, whereby a pump effect is generated in the filling shaft, which prevents the air-permeable intermediate wall 2 from clogging. The shut-off valves and slide valves can also only release part of the shaft width. A ventilator 14 is arranged in the exhaust air duct 4 in the section below the filling duct 1, which fan controls a partial air flow B of the transmission branches off air stream A and tangentially to the beater roller feeds the nip between feed roller 8 and beater roller 9, via a pivotable slide 15 which intermittently holds or releases the suction opening 16 of the fan 14, is a pulsating blowing in of the partial air stream B. possible. The partial air flow B is shown behind the impact point in the feed shaft 6 as a compression flow C, which in the lower region of the feed shaft 6 passes through the air-permeable shaft wall 11 of the feed shaft 6, identified by the arrows D, into the exhaust air shaft 4, in order to mix there with the transport air stream E reduced by the partial air stream B and to be disposed of as exhaust air F via the exhaust air connection 5.
Der Speiseschacht 6 ist geringfügig von der Vertikalen durch die Speisewalze 8 um ca. 10 ' abgeneigt und geht ohne Abzugswalzen in eine Schachtrutsche 18 über, über die das Faservlies einer Karde 20 zugeführt wird. Dabei kann der Abluftanschluß 5 mit einer Abluftentsorgung 22 der Karde 20 verbunden sein. The feed shaft 6 is slightly inclined from the vertical by the feed roller 8 by approximately 10 'and passes into a shaft chute 18 without take-off rollers, via which the nonwoven fabric is fed to a card 20. The exhaust air connection 5 can be connected to an exhaust air disposal 22 of the card 20.

Claims

Patentansprüche Claims
1. Vorrichtung zum Speisen von in Flockenform befind¬ lichem Fasergut zu Verarbeitungsmaschinen mit einem in einem Gehäuse angeordneten oberen Füll¬ schacht, an dessen unterem Ende eine Speisewalze angeordnet ist, die mit einer Schlag- oder öffner¬ walze zusammenwirkt, von der ein Speiseschacht tangential abgeht, wobei sowohl der Füllschacht als auch der Speiseschacht mindestens eine zumin¬ dest teilweise luftdurchlässige Schachtwand auf¬ weisen, wobei in dem Speiseschacht durch Einblasen eines Verdichtungsluftstro_r.es zusätzlich eine pneumatische Verdichtung erfolgt und wobei an der luftdurchlässigen Schachtwand des Füllschachtes der Transportluftstrom abgeführt ist, d a d u r c h g e k e n n z e i c h n e t , daß der Transportluftstrom (A) in einen im wesentlichen zu dem Füll- und Speiseschacht (1,6) parallelen Abluftschacht (3,4) inner¬ halb des Gehäuses (7) zu einem stromabwärts der luftdurchlässigen Schachtwand (11) des Speiseschachtes angeordneten Abluftanschluß (5) abgeführt ist, daß an einer Abzweigstelle zwischen Füll¬ schacht (1) und Speiseschacht (6) ein Teil¬ luftstrom (B) des Transportluftstroms (A) als Verdichtungsluftstrom (C) in den Speise¬ schacht (6) geleitet ist und daß der aus der luftdurchlässigen Schachtwand (11) des Speiseschachtes (6) austretende Ver- dichtungsluftstrom (D) stromabwärts der Ab¬ zweigstelle in den Abluftschacht (4) geleitet ist. 1. Device for feeding fiber material in flake form to processing machines with an upper filling shaft arranged in a housing, at the lower end of which a feed roller is arranged which interacts with a beater or opener roller, of which a feed shaft is tangential goes off, with both the filling shaft and the feed shaft having at least one at least partially air-permeable shaft wall, in which case pneumatic compression is additionally carried out in the feed shaft by blowing in a compression air flow and the transport air flow is discharged on the air-permeable shaft wall of the filling shaft, characterized in that the transport air flow (A) is arranged in an exhaust duct (3,4), essentially parallel to the filling and feeding duct (1,6), inside the housing (7) to a downstream of the air-permeable duct wall (11) of the feeding duct Exhaust air connection (5) discharged is that at a junction between the filling shaft (1) and the feed shaft (6), a partial air flow (B) of the transport air flow (A) is passed as a compression air flow (C) into the feed shaft (6) and that the flow from the air-permeable shaft wall (11) of the feed shaft (6) emerging compression air flow (D) is directed downstream of the junction in the exhaust air shaft (4).
2. Vorrichtung nach Anspruch 1, dadurch gekennzeich¬ net, daß der abgezweigte Teilluftstrom (B) auf den Klemmpunkt zwischen Speisewalze (8) und Schlagwal¬ ze (9) gerichtet ist.2. Device according to claim 1, characterized gekennzeich¬ net that the branched partial air flow (B) is directed to the nip between the feed roller (8) and Schlagwal¬ ze (9).
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Teilluftstrom (B) über eine intermittierend betriebene Absperreinrichtung pulsierend einströmt.3. Apparatus according to claim 1 or 2, characterized in that the partial air flow (B) flows in a pulsating manner via an intermittently operated shut-off device.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, da¬ durch gekennzeichnet, daß der Abluftschacht (4) stromabwärts der luftdurchlässigen Schachtwand (2) des Füllschachtes (1) über Absperreinrichtungen (12) zumindest teilweise intermittierend absperr¬ bar ist. 4. Device according to one of claims 1 to 3, da¬ characterized in that the exhaust shaft (4) downstream of the air-permeable shaft wall (2) of the filling shaft (1) via shut-off devices (12) is at least partially intermittently shut off bar.
EP90905468A 1989-04-17 1990-04-10 A device for feeding flaked fibrous material Expired - Lifetime EP0468985B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3912565 1989-04-17
DE3912565A DE3912565A1 (en) 1989-04-17 1989-04-17 DEVICE FOR FEEDING FIBER ARTICLES IN FLAKED SHAPE

Publications (2)

Publication Number Publication Date
EP0468985A1 true EP0468985A1 (en) 1992-02-05
EP0468985B1 EP0468985B1 (en) 1993-08-04

Family

ID=6378845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90905468A Expired - Lifetime EP0468985B1 (en) 1989-04-17 1990-04-10 A device for feeding flaked fibrous material

Country Status (5)

Country Link
US (1) US5197162A (en)
EP (1) EP0468985B1 (en)
JP (1) JPH04504738A (en)
DE (2) DE3912565A1 (en)
WO (1) WO1990012909A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6553630B1 (en) 2001-04-11 2003-04-29 TRüTZSCHLER GMBH & CO. KG Device for setting the distance between adjoining fiber clamping and fiber transfer locations in a fiber processing system
WO2011058467A1 (en) 2009-11-12 2011-05-19 Marzoli S.P.A. Fibers feeding device for feeding tuft to a working machine, like a carding machine

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294700B (en) * 1994-09-24 1998-09-16 Truetzschler Gmbh & Co Kg Method and device for charging a textile machine
DE4434251B4 (en) * 1994-09-24 2006-02-23 Trützschler GmbH & Co KG Feeding device for carding, carding or the like for textile fiber material
DE19522995B4 (en) * 1994-10-10 2006-03-16 Trützschler GmbH & Co KG Fibre sepn. from conveying air stream esp. in card chute feed - has high air velocities in air separation chambers to reduce trash deposits
EP0894878A3 (en) 1997-07-30 2000-04-19 Maschinenfabrik Rieter Ag Flock cleaner
FR2766846B1 (en) * 1997-08-04 1999-10-22 Thibeau DEVICE FOR FORMING A SHEET OF FIBER HAMMER, PARTICULARLY FOR LOADING A TEXTILE MACHINE SUCH AS A CARD
DE10118067A1 (en) * 2001-04-11 2002-10-17 Truetzschler Gmbh & Co Kg Carding assembly has the leading opening cylinders which can be rotated around the center points of the feed roller or adjacent cylinders, to set the gap between the clamping and combing points
CN101052759B (en) * 2004-11-04 2016-03-30 里特机械公司 Device for cleaning fiber wadding

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2634250B2 (en) * 1976-07-30 1978-08-17 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Method and device for loading a card with fiber material
CH624437A5 (en) * 1977-07-18 1981-07-31 Rieter Ag Maschf
US4154485A (en) * 1977-08-16 1979-05-15 Fiber Controls Corporation Web-former
DE2804413C3 (en) * 1978-02-02 1981-10-08 Trützschler GmbH & Co KG, 4050 Mönchengladbach Method and device for loading a card
US4476611A (en) * 1980-11-17 1984-10-16 Automatic Material Handling, Inc. Fiber feeding apparatus with fiber leveling means
US4387486A (en) * 1981-04-17 1983-06-14 Automatic Material Handling, Inc. Control system for fiber processing apparatus
US4404710A (en) * 1981-05-29 1983-09-20 Rando Machine Corporation Apparatus for feeding fibers to carding machines and the like
US4403374A (en) * 1981-06-17 1983-09-13 Rando Machine Corporation Means for controlling density of non-woven fiber webs
DE3128564A1 (en) * 1981-07-18 1983-02-03 Trützschler GmbH & Co KG, 4050 Mönchengladbach DEVICE FOR DELIVERING A FIBERFLAKE FLEECE, IN PARTICULAR FOR FEEDING A TEXTILE MACHINE, e.g. A CARD
US4394790A (en) * 1981-12-30 1983-07-26 Automatic Material Handling, Inc. Fiber feeding apparatus with controlled air flow
US4510647A (en) * 1982-10-13 1985-04-16 Keller Alex J Method and apparatus for controlling fiber density
EP0113819A3 (en) * 1982-12-21 1984-08-22 Maschinenfabrik Rieter Ag Method of processing flocky fibres, and apparatus therefor
US4520530A (en) * 1983-09-02 1985-06-04 Akiva Pinto Fiber feeding apparatus with a pivoted air exhaust wall portion
DE3336654A1 (en) * 1983-10-08 1985-04-25 Hergeth Hollingsworth GmbH, 4408 Dülmen FEEDING DEVICE FOR CARD, CRAWLE AND THE LIKE
DE3503574A1 (en) * 1985-02-02 1986-08-07 Trützschler GmbH & Co KG, 4050 Mönchengladbach Apparatus for feeding a card or willow by means of two filling shafts
US4657444A (en) * 1985-07-24 1987-04-14 Hergeth Hollingsworth Gmbh Synchronized chute feed control system and method
IT8620811A0 (en) * 1985-09-11 1986-06-17 Monchengladbach Rep Fed German ADJUSTMENT AND CONTROL DEVICE OF THE INTRODUCER CYLINDER OF A FLAKE FEEDER.
DE3617526A1 (en) * 1986-05-24 1987-11-26 Truetzschler & Co METHOD AND DEVICE FOR SUPPLYING A NUMBER OF CARDS, CRAWLS OR THE LIKE
JPS6420326A (en) * 1987-07-13 1989-01-24 Ohara Tekkosho Kk Apparatus for feeding cotton to card
DE3904317A1 (en) * 1989-02-14 1990-08-16 Hollingsworth Gmbh DEVICE FOR PNEUMATICALLY FEEDING FIBER GOODS INTO A SHAFT AND THE LIKE
US4970759A (en) * 1989-04-14 1990-11-20 Roberson James H Textile fiber processing apparatus and method
JPH03130420A (en) * 1989-10-12 1991-06-04 Howa Mach Ltd Card cotton feeder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9012909A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6553630B1 (en) 2001-04-11 2003-04-29 TRüTZSCHLER GMBH & CO. KG Device for setting the distance between adjoining fiber clamping and fiber transfer locations in a fiber processing system
WO2011058467A1 (en) 2009-11-12 2011-05-19 Marzoli S.P.A. Fibers feeding device for feeding tuft to a working machine, like a carding machine

Also Published As

Publication number Publication date
EP0468985B1 (en) 1993-08-04
DE3912565A1 (en) 1990-10-18
DE59002216D1 (en) 1993-09-09
US5197162A (en) 1993-03-30
WO1990012909A1 (en) 1990-11-01
JPH04504738A (en) 1992-08-20

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