EP3415666B1 - Dispositif de nettoyage de matières fibreuses - Google Patents

Dispositif de nettoyage de matières fibreuses 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)
English (en)
Other versions
EP3415666A1 (fr
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
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.)
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Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3415666A1 publication Critical patent/EP3415666A1/fr
Application granted granted Critical
Publication of EP3415666B1 publication Critical patent/EP3415666B1/fr
Active 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
    • D01G9/04—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.

Landscapes

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

Claims (8)

  1. Dispositif permettant de débourrer de la matière fibreuse (2), avec un débourreur (1) présentant un cylindre débourreur (3) et un boîtier de débourreur (22) et un condenseur (4) disposé au-dessus du débourreur (1) et un dispositif pneumatique permettant d'amener la matière fibreuse (2) avec de l'air de transport (9), dans lequel le condenseur (4) présente un tambour perforé (5) perméable à l'air, monté en rotation dans un boîtier de tambour perforé (14) et un cylindre d'alimentation (6) monté en rotation dans un boîtier de cylindre d'alimentation (18) avec respectivement un axe longitudinal (7, 8), dans lequel le cylindre d'alimentation (6) est disposé entre le tambour perforé (5) et le cylindre débourreur (3) et la matière fibreuse (2) est guidée avec l'air de transport (9) en étant dirigée vers une surface extérieure (10) du tambour perforé (9) et une séparation de la matière fibreuse (2) et de l'air de transport (9) par le tambour perforé (5) est prévue, dans lequel un espace intérieur (25) du tambour perforé (5) est relié à une source de dépression (29), dans lequel le cylindre d'alimentation (6) présente des nervures (11) disposées sur la circonférence de celui-ci en direction de l'axe longitudinal (8), faisant saillie radialement et munies d'extrémités extérieures (15) formant un cercle inscrit (13), caractérisé en ce qu'entre la surface extérieure (10) du tambour perforé (5) et le cercle inscrit (13) du cylindre d'alimentation (6) une distance (a) de moins de 1,0 mm est prévue, et en ce qu'une distance (b) entre le cercle inscrit (13) du cylindre d'alimentation (6) et une surface (16) du cylindre débourreur (3) est comprise entre 30 mm et 250 mm.
  2. Dispositif selon la revendication 1, caractérisé en ce que le boîtier de cylindre d'alimentation (18) est relié au boîtier de débourreur (22) au niveau d'une ouverture d'entrée (21) du débourreur (1).
  3. Dispositif selon la revendication 1, caractérisé en ce qu'une vitesse de rotation du cylindre d'alimentation (6) est comprise entre 300 et 500 tours/minute et celle du tambour perforé (5) entre 100 et 200 tours/minute.
  4. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la distance (a) est égale à zéro et en ce que le cercle inscrit (13) du cylindre d'alimentation (6) et la surface extérieure (10) du tambour perforé (5) se touchent.
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les directions de rotation du cylindre d'alimentation (6) et du tambour perforé (5) vont dans le même sens.
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les axes longitudinaux (7, 8) du tambour perforé (5) et du cylindre d'alimentation (6) sont disposés en parallèle à l'axe longitudinal (12) du cylindre débourreur (3).
  7. Dispositif (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la longueur (c) du cylindre d'alimentation (6) correspond à la longueur (d) du tambour perforé (5).
  8. Dispositif (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un diamètre extérieur (e) du tambour perforé (5) est compris entre 400 et 700 mm et le diamètre (f) du cercle inscrit (13) du cylindre d'alimentation (6) est compris entre 100 et 250 mm.
EP18175439.1A 2017-06-15 2018-06-01 Dispositif de nettoyage de matières fibreuses Active EP3415666B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00777/17A CH713895A1 (de) 2017-06-15 2017-06-15 Vorrichtung zur Reinigung von Fasergut.

Publications (2)

Publication Number Publication Date
EP3415666A1 EP3415666A1 (fr) 2018-12-19
EP3415666B1 true EP3415666B1 (fr) 2020-03-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18175439.1A Active EP3415666B1 (fr) 2017-06-15 2018-06-01 Dispositif de nettoyage de matières fibreuses

Country Status (3)

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EP (1) EP3415666B1 (fr)
CN (1) CN109137443A (fr)
CH (1) CH713895A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113003529A (zh) * 2021-04-13 2021-06-22 安徽华艾生态农业科技发展有限公司 一种艾绒被加工用艾绒上料装置

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Publication number Priority date Publication date Assignee Title
US1265168A (en) * 1916-05-03 1918-05-07 Walter James Britton Gage-box distributer.
BE627124A (fr) * 1962-01-15
EP0353482B1 (fr) * 1988-08-02 1994-03-23 Trützschler GmbH & Co. KG Appareil pour ouvrir et nettoyer une matière fibreuse, notamment le coton
ITMI20001840A1 (it) * 1999-08-30 2001-02-28 Truetzschler Gmbh & Co Kg Dispositivo per l'apertura e pulizia di materiale in fibre.
ITTO20010518A1 (it) * 2001-05-31 2002-12-01 Marzoli Spa Apritoio e procedimento di apritura.
CN101052759B (zh) * 2004-11-04 2016-03-30 里特机械公司 纤维絮清洁设备
CN201162077Y (zh) * 2008-01-19 2008-12-10 邯郸金狮棉机有限公司 皮棉清理机
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
CN102199812A (zh) * 2011-03-25 2011-09-28 山西临猗雪云棉机有限公司 废棉、毛、麻的机下杂质分离机构
CN102191589B (zh) * 2011-04-07 2013-04-10 北京中棉机械成套设备有限公司 组合式籽棉异纤及杂质清理一体机
CN103147171A (zh) * 2013-03-20 2013-06-12 江苏常盛无纺设备有限公司 凝棉器
JP6289101B2 (ja) * 2014-01-06 2018-03-07 ユニ・チャーム株式会社 分別装置
CN106283277A (zh) * 2015-06-01 2017-01-04 际华三五四二纺织有限公司 一种凝棉器原料均衡装置
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

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Also Published As

Publication number Publication date
CN109137443A (zh) 2019-01-04
CH713895A1 (de) 2018-12-28
EP3415666A1 (fr) 2018-12-19

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