EP3415667A1 - Dispositif et procédé de nettoyage de matières fibreuses - Google Patents

Dispositif et procédé de nettoyage de matières fibreuses Download PDF

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Publication number
EP3415667A1
EP3415667A1 EP18175440.9A EP18175440A EP3415667A1 EP 3415667 A1 EP3415667 A1 EP 3415667A1 EP 18175440 A EP18175440 A EP 18175440A EP 3415667 A1 EP3415667 A1 EP 3415667A1
Authority
EP
European Patent Office
Prior art keywords
screen drum
feed roller
fiber material
drum
housing
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.)
Withdrawn
Application number
EP18175440.9A
Other languages
German (de)
English (en)
Inventor
Alexander Schmid
Tobias WOLFER
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
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3415667A1 publication Critical patent/EP3415667A1/fr
Withdrawn legal-status Critical Current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
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/06—Opening or cleaning fibres, e.g. scutching cotton by means of toothed members
    • 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
    • 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
    • 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 or a method for the purification of fiber material with a cleaner having a cleaning roller and a cleaner housing and a arranged above the cleaner Kondenser.
  • the now formed on the surface (outer circumference) of the screen drum fiber mat is transferred by the rotational movement of the screen drum to a rotating feed roller (fan roller), which is provided with outwardly projecting scrapers, or with subjects on which the located on the screen drum fiber mat (Nonwoven fabric) is removed.
  • the removed fiber material is delivered by the rotational 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 spirally in the direction of the longitudinal axis of the cleaning roller to a discharge opening.
  • the spiral transport of the fiber material is effected by appropriately mounted in the cleaner guide elements. During the transport of the fiber material through the cleaner this happens several times below the cleaning roller mounted grate, over which by the influence of, mounted on the cleaning roller pins and under the action of centrifugal impurities from the fiber material are deposited.
  • a disadvantage of the disclosed embodiment is the occurrence of high wear of feed roller and drum, since the complete adoption of the on the drum held fiber material through the feed roller the scraper of the feed roller cover the surface of the screen drum. As a result of wear, the Abtreifung worse the fiber material is no longer completely removed from the screen drum.
  • the invention is based on the object to propose an apparatus and a method for the purification of fiber material, which allows a continuous uniform and wear-free transfer of the fiber material from the screen drum to the subsequent feed roller.
  • the condenser has an air-permeable, in a Siebtrommelgephaseouse rotatably mounted drum and a rotatably mounted in a Suitewalzengephase feed roller, each having a longitudinal axis, wherein the feed roller between the drum and the cleaning roller is arranged and the fiber with the transport air on an outer surface of the drum guided guided and a separation of fiber material and transport air through the screen drum is provided, wherein an interior of the screen drum is connected to a vacuum source.
  • the feed roller has on its circumference in the direction of the longitudinal axis arranged radially projecting ribs with an outer end, which form an enveloping circle.
  • the enveloping circle is at a distance from the outer surface of the screening drum.
  • the screen drum housing is connected to the feed roller housing in the region of a passage opening between the screen drum and the feed roller.
  • a shielding element is provided within the screen drum, wherein the fiber material guided on the screen drum in the region of the shielding element can be transferred to the subsequently arranged feed roller by the action of a centrifugal force.
  • the vacuum source creates a suction effect in the interior of the screen drum which holds the supplied fiber material on the outer surface of the screen drum. If the fiber material now reaches the area of the shielding element mounted in the interior, the suction effect on the outer surface of the screen drum caused by the vacuum source is released and the fiber material reaches the feed roller arranged below the screen drum.
  • a speed of the screen drum 800 to 1800 more preferably 1200 revolutions per minute and a speed of the feed roller 300 to 500, more preferably 350 revolutions per minute.
  • the distance between the outer surface of the screen drum and the enveloping circle of the feed roller is more than 1.0 mm, preferably 1.0 to 25 mm. This distance avoids clogging or entrapment of fiber in the transition area. Since the feed roller additionally acts as a blocking member in its housing and in relation to the screen drum in order to prevent portions of the transport air from reaching the subsequent cleaner, a further enlargement of the distance is not advantageous.
  • the outer diameter of the screening drum is 2 to 3 times the enveloping circle diameter of the feed roller.
  • the device can be optimized in terms of the centrifugal force required for the detachment of the fibers from the screen drum and the necessary rotational speed of the feed roller.
  • a diameter of the screening drum a range of 400 to 700 mm and for a diameter of the enveloping circle of the feed roller a range of 100 to 250 mm has proven to be advantageous.
  • a direction of rotation of the screen drum is directed opposite to a direction of rotation of the feed roller.
  • the surface of the feed roller moves in the same direction as the surface of the screen drum, and the ejected from the screen drum fibrous material.
  • a peripheral speed of the feed roller and the screen drum is the same for improved adoption of the output from the screen drum fiber material through the feed roller.
  • the feed roller housing is connected in the region of an inlet opening of the cleaner with the cleaner housing.
  • a distance between the outer circle of the feed roller and a surface of the cleaning roller is 30 mm to 250 mm.
  • the length of the feed roller corresponds to the length of the screen drum.
  • FIG. 1 shows a schematic representation of an embodiment of a cleaning device according to the prior art, which comprises a condenser 4 and arranged below the condenser 4 cleaner 1 with a rotatably mounted cleaning roller 3.
  • the condenser 4 has a screen drum 5 which is mounted rotatably about a longitudinal axis 7 in a screen drum housing 14 and which is charged with fiber material 2 via a channel 17, and a feed roller 6 (also called fan roller) mounted rotatably about a longitudinal axis 8 in a feed roller housing 18 ,
  • the fiber material 2 of the screen drum 5 is supplied.
  • a negative pressure is applied by a vacuum source 30.
  • the supplied fiber material 2 is sucked onto the surface 10 of the screen drum 5 and separated by the air-permeable surface 10 of the screen drum 5 of the transport air 9, which passes through the openings of the screen drum 5 and is discharged via the vacuum source 30.
  • a fibrous nonwoven forms on the circumference 10 of the screen drum 5, which is transferred by the direction of rotation of the screen drum 5, indicated by an arrow, to a passage opening 29 in the screen drum housing 14.
  • 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 formed on the surface 10 of the screen drum 5 Fasergutvlies is stripped by the rotational movement of the feed roller 6 and attached to the circumference of the feed roller 6, outwardly projecting ribs 11 and discharged by gravity down into a conveyor channel 20.
  • the delivery channel 20 is funnel-shaped (please refer Fig.2 of the CH 695 154 A5 ), so that the output of the feed roller 6 Fasergutmasse is summarized on the cross section of a subsequent inlet opening 22 of the cleaner 1.
  • the fiber material is fed tangentially to the cleaning roller 3 via this inlet opening 22.
  • the cleaning roller 3 is provided on its outer circumference with impact pins 24, via which the supplied fiber material in cooperation with arranged above the cleaning roller 3 baffles 28 is helically transferred in the direction of the longitudinal axis 12 to a spout 27. Subsequently, the cleaned fiber material is transferred to further process stages. In this helical transport within the cleaner 1, the fiber material is passed several times to a mounted below the cleaning roller 3 grate 25, while impurities are separated from the fiber.
  • FIG. 2 Shown schematically is an embodiment of the device according to the invention, wherein like reference numerals are used for the parts corresponding to the parts of the known embodiment FIG. 1 correspond.
  • a cleaner 1 with a about a longitudinal axis 12 in a cleaner housing 23 rotatably mounted cleaning roller 3 and a condenser 4 with a sieve drum 5 and a feed roller 6 is provided.
  • the screen drum 5 is rotatably mounted in a screen 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 and the screen drum 5 is fed via a channel 17 with fiber material 2 by means of transport air 9.
  • the screen drum 5 is connected to its interior 26 with a vacuum source 30.
  • the supplied fiber material 2 is sucked onto the surface 10 of the screen drum 5 and separated by the air-permeable surface 10 of the screen drum 5 of the transport air 9, which passes through the openings of the screen drum 5 and is discharged via the vacuum source 30.
  • a fibrous nonwoven forms on the circumference 10 of the screen drum 5, which is transferred by the direction of rotation of the screen drum 5, indicated by an arrow, to a passage opening 29 in the screen drum housing 14.
  • the device according to the FIG. 1 is due to the, located on the screen drum fiber nonwoven by, due to a high Speed of 800 to 1800 rev / min of the screen drum 5 resulting centrifugal force from the surface 10 in the direction of an inner wall of the screen drum housing 14 thrown.
  • a shielding element 19 is provided in the interior 26 of the screen drum 5.
  • the passage opening 29 is provided between the screen drum housing 14 and the subsequent feed roller housing 18.
  • This shielding element 19 the effect of the negative pressure on the surface 10 of the screening drum 5 and thus on the fiber material web located thereon is interrupted. This has the consequence that at the location of the passage opening 29 by the centrifugal forces, the fiber material from the surface 10 of the perforated drum 5 is thrown through the passage opening 29 in the feed roller 6.
  • the feed opening 29 forms the transfer region of the screen drum 5 to the subsequent feed roller 6.
  • the feed roller 6 is provided on the circumference with outwardly projecting ribs 11, the outer ends 15 form an enveloping circle 13.
  • a stripping of the nonwoven fabric from the surface 10 of the screen drum 5 is not necessary, which is why between the enveloping circle 13 of the feed roller 6 and the surface 10 of the perforated drum 5, a distance a is provided which is greater than 1 mm and can be up to 25 mm. As a result, material accumulations or blockages between the ribs 11 and the surface 10 of the screening drum 5 are avoided.
  • the fiber material is fed tangentially to the cleaning roller 3.
  • the cleaning roller 3 is provided on its outer periphery with impact pins 24, via which the supplied fiber material in cooperation with arranged above the cleaning roller 3 baffles 28 is helically transferred in the direction of the longitudinal axis 12 to an outlet 27. Subsequently, the cleaned fiber material is transferred to further process stages. In this helical transport within the cleaner 1, the fiber material is passed several times to a mounted below the cleaning roller 3 grate 25, while impurities are separated from the fiber.
  • FIG. 3 shows in an enlarged schematic representation of a side view X according to the FIG. 2
  • the condenser 4 has a sieve drum 5 with a sieve 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 29.
  • the longitudinal axis 7 of the screening 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 is conveyed helically in the direction of the longitudinal axis 22 of the cleaning roller 3 to an outlet 27. This promotion is also supported by above the cleaning roller 3 mounted guide elements 28.
  • the screen drum 5 has a length d and the feed roller 6 a length c, which correspond approximately to a width of the inlet opening 22 of the cleaner 1.
  • the fiber material discharged from the screen drum 5 can be fed directly to the input opening 22 via the feed roller 6.
  • the drive of the screen drum 5, the feed roller 6 and the cleaning roller 3 is effected by a drive 21.
  • a drive 21 it is also possible to provide individual drives for these elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Combined Means For Separation Of Solids (AREA)
EP18175440.9A 2017-06-15 2018-06-01 Dispositif et procédé de nettoyage de matières fibreuses Withdrawn EP3415667A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00778/17A CH713896A1 (de) 2017-06-15 2017-06-15 Vorrichtung zur Reinigung von Fasergut.

Publications (1)

Publication Number Publication Date
EP3415667A1 true EP3415667A1 (fr) 2018-12-19

Family

ID=62705365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18175440.9A Withdrawn EP3415667A1 (fr) 2017-06-15 2018-06-01 Dispositif et procédé de nettoyage de matières fibreuses

Country Status (3)

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EP (1) EP3415667A1 (fr)
CN (1) CN109137147A (fr)
CH (1) CH713896A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116084061B (zh) * 2022-12-30 2023-09-01 南县生辉纺织有限公司 一种气流式除杂清棉设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1045290B (de) * 1955-12-24 1958-11-27 Fleissner & Sohn Maschinenfabr Vorrichtung zum OEffnen und Reinigen von Fasergut
CH695154A5 (de) * 1999-08-30 2005-12-30 Truetzschler Gmbh & Co Kg Vorrichtung zum Öffnen und Reinigen von Fasergut.
CN204849152U (zh) * 2015-08-17 2015-12-09 吴江福爱梁纺织有限公司 一种新型开棉机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1117742A (en) * 1964-12-04 1968-06-26 Atmospheric Control Ltd Improvements in or relating to filtering apparatus
GB8901416D0 (en) * 1989-01-23 1989-03-15 Lawrence Carl A Preparation of fibres for spinning
WO1999040245A1 (fr) * 1998-02-03 1999-08-12 Maschinenfabrik Rieter Ag Dispositif pour la preparation d'un melange fibreux en vue du tri de fibres
ITTO20010518A1 (it) * 2001-05-31 2002-12-01 Marzoli Spa Apritoio e procedimento di apritura.
ITBS20090120A1 (it) * 2009-06-30 2011-01-01 Marzoli Spa Dispositivo alimentatore per una macchina per la lavorazione della fibra per la preparazione alla cardatura

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1045290B (de) * 1955-12-24 1958-11-27 Fleissner & Sohn Maschinenfabr Vorrichtung zum OEffnen und Reinigen von Fasergut
CH695154A5 (de) * 1999-08-30 2005-12-30 Truetzschler Gmbh & Co Kg Vorrichtung zum Öffnen und Reinigen von Fasergut.
CN204849152U (zh) * 2015-08-17 2015-12-09 吴江福爱梁纺织有限公司 一种新型开棉机

Also Published As

Publication number Publication date
CH713896A1 (de) 2018-12-28
CN109137147A (zh) 2019-01-04

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