EP3530780A1 - Dispositif d'élimination des impuretés - Google Patents

Dispositif d'élimination des impuretés Download PDF

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Publication number
EP3530780A1
EP3530780A1 EP19156319.6A EP19156319A EP3530780A1 EP 3530780 A1 EP3530780 A1 EP 3530780A1 EP 19156319 A EP19156319 A EP 19156319A EP 3530780 A1 EP3530780 A1 EP 3530780A1
Authority
EP
European Patent Office
Prior art keywords
separating element
guide
membrane
roller
suction tube
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
EP19156319.6A
Other languages
German (de)
English (en)
Other versions
EP3530780B1 (fr
Inventor
Pavel JELINEK
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 EP3530780A1 publication Critical patent/EP3530780A1/fr
Application granted granted Critical
Publication of EP3530780B1 publication Critical patent/EP3530780B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/34—Grids; Dirt knives; Angle blades
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/74—Air draught arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/76—Stripping or cleaning carding surfaces; Maintaining cleanliness of carding area
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/76—Stripping or cleaning carding surfaces; Maintaining cleanliness of carding area
    • D01G15/82—Arrangements for confining or removing dust, fly or the like
    • D01G15/825—Arrangements for confining or removing dust, fly or the like by suction or blowing

Definitions

  • the present invention relates to an apparatus for the removal of impurities from a fiber material in a carding machine or a cleaner with a garnished roller, with a separating element and with a suction tube.
  • the carding machine produces a card sliver from fed-in fiber material, which is subsequently processed into a yarn.
  • a card is usually associated with a hopper which is supplied by a conveyor system with fibers from a blowroom.
  • the fibers are cleaned by the card and parallelized.
  • the fibers are fed from a feed device via a licker-in to a carding drum.
  • the licker-in frees the fiber material from impurities in large parts.
  • Licker-openers are used in the form of individual licker-in licker-in rollers but also in the form of licker-in modules which contain a plurality of licker-in lickerins.
  • the task of the licker-in is to subject the fiber to coarse cleaning and to feed it into the carding drum in as fine a resolution as possible.
  • the garnished surfaces of the Vorreisserwalzen opposite separating elements are arranged.
  • the cleaned and parallelized fibers are removed by a pickup in the form of a nonwoven fabric and fed to a band forming unit.
  • the decrease of the fiber web takes place with a so-called doffer roll.
  • baffles are provided in Spickel between the doffer roller and the card drum.
  • the fiber fleece extends over the entire working width of the card.
  • the nonwoven fabric is brought together into a card sliver.
  • the function of cleaning of fiber material through separation elements is also found in cleaners, which may be upstream as part of a blowroom a card.
  • the CH 696 495 A5 discloses a carrier with a selector blade which is associated with a garnished roller and is displaceable parallel to the circumference of the roller.
  • the Ausscheidemesser is associated with a suction chamber mounted on the carrier.
  • the suction chamber in turn is connected to a guide element which directs the excreted impurities into the suction chamber.
  • a disadvantage of the disclosed device is that the suction chamber is also changed in an adjustment of the Ausscheidemessers in their position.
  • an additional guide element is required, which cooperates with a position change of the suction in such a way with a counterpart that the deflection of the impurities does not change. Also, due to the variable position of the suction chamber, a flexible connection of the suction chamber to an exhaust air system must be provided.
  • Object of the present invention is thus to provide a device for the separation of impurities from a fiber material, which allows an adjustment of the separating element without changing the position of an associated suction.
  • a device for the removal of impurities from a fiber material in a carding machine or a cleaner having a garnished surface having a roller, with a counter element and with a suction tube, wherein a formed by the separating element and the counter element Ausscheidespalt is provided.
  • a first guide starting from the separating element, and a second guide opposite the first guide, starting from the counter element, are provided.
  • the first guide is designed as an elastic membrane and the second guide and the suction tube are arranged stationary.
  • the separation element is arranged in the direction of rotation of the roller after the counter element.
  • the impurities are removed by the separating element from the fiber material located on the roller and pass through the guides in the suction tube.
  • the suction pipe is connected to a central extraction system of the machine. Due to the fact that the guide from the separating element to the suction tube is designed as a membrane, a fluidically ideally curved inlet into the suction tube results, in which case installation tolerances of the suction tube are compensated over the working width of the machine. Due to the fixed arrangement of the second guide and the suction tube a constant suction speed is ensured even with adjustment of the separation element.
  • the roller as well as the counter element extend over the entire working width of the machine. Accordingly, the separation element is guided along with the suction tube and the guides located therebetween over the entire working width.
  • Common working widths of cleaning machines and cards are up to 1.5 m or more. Over the working width, the air is sucked out of the suction tube at the end.
  • the shape of the membrane results in a spiral air flow. This can be supported by a corresponding structure on the surface of the guide or the membrane. Also, in the case of wide machines with a working width of 1.5 m or more, a double-sided extraction of the exhaust air pipes is conceivable.
  • air may be blown into the suction tube on one side of the machine to assist the suction on the opposite side of the machine.
  • the membrane is attached to the suction tube.
  • the membrane By attaching the membrane a perfect transition from the guide is ensured in the suction tube. Further, it is advantageous if the membrane is clamped between the separating element and the suction tube.
  • the diaphragm is installed with a specific preload and adapts itself automatically to the geometric conditions. It is a safe contact between the separating element and the suction tube produced by the guide in the form of a membrane and maintained during operation.
  • the membrane is frictionally brought to a sliding surface of the separation element for conditioning.
  • a one-sided fixation of the membrane is an independent compensation of the geometric conditions through the membrane even possible.
  • the end of the membrane is thereby slidably mounted on the separating element on a surface provided therefor. Due to the elastic bias of the membrane results at any time a compound of the membrane with the separating element without the use of a seal is necessary.
  • the membrane is advantageously made of a spring steel or an elastic plastic.
  • a thickness of the membrane is determined depending on the elastic properties of the selected material. For example, in a production of the membrane made of chromium steel, a sheet thickness of 0.1 mm to 1.0 mm, preferably 0.3 mm.
  • a false air gap is provided between the second guide and the suction tube.
  • the flow of the canceled by the suction pipe air can be influenced. Accordingly, adjust the pressure at the Ausscheidespalt.
  • By means of a corresponding false air gap it is achieved that no negative pressure arises in the separating element.
  • a negative pressure in the separating element would lead to an increased excretion of good fibers.
  • the counter element can be achieved by the sucked false air and a cleaning effect of the counter element.
  • the separation element has a knife.
  • the knife By the knife, the impurities located in the periphery due to the centrifugal forces are peeled off by the fiber material and brought into the suction tube through the separating gap.
  • the roller is a licker-in roller. Licker-in rollers are used in cards and serve for the rough cleaning of the fiber material before it is fed to a carding drum.
  • the separating element is held on a machine frame, wherein adjusting devices are provided for the radial and / or tangential adjustment of the separating element to the surface of the roller.
  • adjusting devices are provided for the radial and / or tangential adjustment of the separating element to the surface of the roller.
  • an elastic deformation of the membrane is provided, whereby the frictional connection between the separating element and the membrane is maintained upon adjustment of the separating element.
  • the separation element is adjusted in position, the distance between the separation element and the suction tube changes due to the stationary support of the suction tube. This change is now compensated by the elasticity of the membrane.
  • the membrane changes its geometry and the position of the support on the sliding surface of the separation element, it remains as a guide abutting the separation element for the removal of impurities.
  • the proposed construction neither tracking the suction tube nor the guide between the suction tube and the separation element is necessary.
  • the tangential adjustment of the separating element is provided with a toothed rod attached to the separating element.
  • the rack is arranged arcuately, wherein the sheet is arranged concentrically to the garnished surface of the roller.
  • the adjustment for the radial and / or tangential adjustment of the separation element may be provided with an actuator. This makes it possible to obtain an automatic adjustment of the separation element in an existing sensor for the measurement of the deposited impurities. Even with a batch change from one raw material to the next an automatic adjustment of the separation element is possible.
  • a card is proposed with a device as described above for the separation of impurities from a fiber stream.
  • baffles are provided to support the decrease of the nonwoven fabric from the card drum through the doffer roller.
  • a baffle associated with the carding drum protrude along a surface of the carding drum and a baffle plate associated with the doffer roll along a surface of the doffer roll into the bobbin. Both baffles are each displaceable tangentially to their assigned surface.
  • Another adjustment is provided for the baffle of the card drum. This can be rotated via a pivot point in its angle of attack relative to the surface of the card drum. This angle of attack can be advantageously adjusted in a range of 0 to 5 degrees.
  • the two baffles each have at their directed against the direction of rotation of the doffer roller respectively the card drum end a tongue which points into the gusset.
  • Each of the surface of the doffer roller and the card drum side facing the tongue has a tongue angle.
  • the surface of the tongue which faces the surface of the roller moves away from the respective surface at a tongue angle.
  • the tongue of the baffle for the card drum and the tongue of the baffle of the doffer roll advantageously have a tongue angle of 5 to 20 degrees.
  • FIG. 1 shows a carding machine 1 equipped with a hopper 2, a hopper discharge 3 and a feed channel 5.
  • fiber flakes 4 reach after they the various Process stages have a blowroom in the hopper 2.
  • the fiber flakes 4 are passed through the Greverachtaustrag 3 to the feed channel 5.
  • the fiber flakes 4 are subsequently compressed at the end of the feed channel 5 into a fiber material 6 in the form of a wadding master for the subsequent feed device 7.
  • the feed device 7 feeds the fiber material 6 to a licker-in module of the carding machine 1.
  • the licker-in module consists, for example, of a first licker-in 9, a second licker-in 10 and a third licker-in 11.
  • licker-in modules with only one licker-in are also known.
  • the fiber material 6 delivered by the feed device 7 is further opened by the licker-in elements 9, 10, 11 contained in the licker-in module and at the same time freed from a portion of the impurities contained therein.
  • the licker-in elements 9, 10, 11 are provided with separation elements 8.
  • the last licker-in roller 11 of the licker-in module finally transfers the fiber material 6 to the carding drum 12, which completely dissolves and parallelizes the fibers.
  • the carding drum 12 cooperates with the cover unit 13.
  • the acceptance unit 14 comprises a doffer roller 34 which takes over the non-woven fabric 38 from the card drum 12.
  • the acceptance unit 14 comprises a doffer roller 34 which takes over the non-woven fabric 38 from the card drum 12.
  • baffles 35 are provided in the gusset between the card drum 12 and the doffer roller.
  • FIG. 2 shows a schematic cross section of a first embodiment of an apparatus for the removal of impurities from a fiber material 6.
  • the apparatus comprises a roller 17 with a garnished surface 18 and a rotational direction 19. By the garnished surface 19, fiber material is transported.
  • the roller 17 respectively the surface 18 opposite to a separating element 20 and a counter-element 21 are arranged.
  • the counter element 21 is shown by way of example as another roller. In an embodiment in which the roller 17 by a licker-pull 9, 10, 11 ( FIG. 1 ), the counter element 21 would correspond to a feed roller.
  • the separating element 20 is formed with a knife 26. In this case, the knife 26 is directed against the surface 18 of the roller 17 and against the direction of movement of the roller surface.
  • the impurities brought out by the peripheral speed of the roller 17 to the surface of the fiber material transported on the garnished surface 18 of the roller 17 are peeled off.
  • the counter element 21 and the knife 26 of the separating element 20 are arranged tangentially on the surface 18 of the roller 17 such that between the counter element 21 and the separating element 20, a separation gap 25 is formed.
  • the knife 26 the impurities are brought over the knife surface in the direction of a suction tube 22.
  • the impurities are thereby guided from the separation gap 25 to the suction tube 22 with a first guide 23 and one of the first guide 23 opposite the second guide 24 to a suction tube.
  • the stationary mounted suction pipe 22 is kept under a slight negative pressure and absorbs the impurities.
  • the first guide 23 is designed as a membrane and ensures the guidance of the contaminants from the separation element 20 to the suction pipe 22. In this case, this membrane 23, starting from the separating element 20, is brought tangentially to the suction tube 22. At the suction tube 22, the membrane 23 is mounted in a corresponding holder 31 and thus held stationary.
  • the second guide 24 is designed such that a false air gap 29 is formed between the suction tube 22 and the guide 24.
  • the separating element 20 is provided with an adjusting device. This allows an adjustment of the separating slot 25 by a tangential movement of the blade 26 along the surface 18 of the roller 17.
  • a bent rack 27 mounted on the separating element 20 is shown by way of example.
  • the separating element 20 is moved with a tangential to the surface 18 of the roller 17 movement 33 and the Ausscheidespalt 25 correspondingly increased or decreased.
  • the separating element 20 is provided with a sliding surface 32, on which the membrane 23 is guided during the movement 33 of the separating element 20.
  • FIG. 3 shows a schematic cross section of a second embodiment of an apparatus for the removal of impurities from a fiber material 6.
  • the embodiment of the device shown differs from the embodiment according to the FIG. 2 in that the counter element 21 is provided as a stationary and rigid element All other elements of the FIG. 3 embodiment shown correspond to the elements as in FIG. 2 described. Also the functions of the individual elements are the description of the FIG. 2 refer to.
  • FIG. 4 shows an enlarged schematic partial view of an embodiment of the transfer area between the carding drum 12 and the Dofferwalze 34.
  • the surfaces of the card drum 12 and the Dofferwalze 34th at a transfer point 43 for a non-woven fabric 38, the same direction of movement.
  • the nonwoven fabric 38 located on the card drum 12 is detached from the card drum 12 at the transfer point 43 by the doffer roller 34.
  • the transfer of the fibrous web 38 is supported in the gusset between the card drum 12 and the doffer roller 34 by baffles 35, 37.
  • the guide plate 37 of the doffer roller 34 has an integrally formed on the surface of the doffer roller 34 arcuate guide surface 41. Directed against the transfer point 43, this guide surface 41 is directed away from the doffer roller 34 at a tongue angle ⁇ and forms with the opposite surface of the guide plate 37 a tongue projecting into the gusset. As a result, shrinkage of the fibrous web 38 under the baffle 37 is ensured.
  • the baffle 35 of the card drum 12 has an integrally formed on the surface of the card drum 12 arcuate guide surface 42. Directed against the transfer point 43, this guide surface 42 is directed away from the card drum 12 at a tongue angle ⁇ and also forms, with the opposite surface of the guide plate 35, a tongue projecting into the gusset.
  • the guide plate 35 of the carding drum 12 is arranged at an angle of attack ⁇ relative to the surface of the carding drum 12. This results in a narrowing in the direction of rotation 39 of the card pulley 12 gap between the surface of the card drum and the guide surface 42 of the baffle 35.
  • the baffle plate 35 is mounted in a pivot point 36 and rotatable about this.
  • the baffles 35 and 37 are each tangentially (shown by arrows) to the surfaces of the doffer roller 34 and the card drum 12 made movable. This allows an exact adjustment of the air flows in the area of the transfer point.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP19156319.6A 2018-02-26 2019-02-11 Dispositif d'élimination des impuretés Active EP3530780B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00227/18A CH714680A1 (de) 2018-02-26 2018-02-26 Vorrichtung zur Ausscheidung von Verunreinigungen in einer Karde oder einem Reiniger.

Publications (2)

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EP3530780A1 true EP3530780A1 (fr) 2019-08-28
EP3530780B1 EP3530780B1 (fr) 2022-01-26

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EP19156319.6A Active EP3530780B1 (fr) 2018-02-26 2019-02-11 Dispositif d'élimination des impuretés

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EP (1) EP3530780B1 (fr)
CN (1) CN110195275B (fr)
CH (1) CH714680A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113021433A (zh) * 2021-02-03 2021-06-25 上海爵诺科技有限公司 一种吸管单根或多根自动切断控料吐出机构
CN115418726A (zh) * 2022-10-08 2022-12-02 山东效棉机械有限公司 一种刀式排杂装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115151228B (zh) * 2020-04-06 2023-06-06 易希提卫生与保健公司 传送一个或更多切出的非织造材料构件以用于吸收性物品的方法
DE102022114963A1 (de) 2022-06-14 2023-12-14 Trützschler Group SE Vorrichtung zum Ausscheiden von Verunreinigungen an einer garnierten Walze

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Publication number Priority date Publication date Assignee Title
EP0894877A2 (fr) * 1997-07-30 1999-02-03 Maschinenfabrik Rieter Ag Appareil d'extraction de souillure pour agregats de nettoyage de fibres
EP0909843A1 (fr) * 1997-10-16 1999-04-21 FRATELLI MARZOLI & C. S.p.A. Guide de fibre en forme de coin pour machine de cardage
EP1213378A1 (fr) * 2000-12-11 2002-06-12 Maschinenfabrik Rieter Ag Carde
DE102005038419A1 (de) * 2005-08-12 2007-02-15 Maschinenfabrik Rieter Ag Reinigungsvorrichtung für eine Textilmaschine
DE102005038405A1 (de) * 2005-08-12 2007-02-15 Maschinenfabrik Rieter Ag Reinigungsvorrichtung

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GB483653A (en) * 1936-10-22 1938-04-22 British Cotton Ind Res Assoc Method of and apparatus for cleaning and opening cotton or like fibrous material
JPS5825769B2 (ja) * 1978-01-08 1983-05-30 萬右衛門 小西 繊維分離装置
DE3827520A1 (de) * 1988-08-12 1990-02-15 Rieter Ag Maschf Abgesaugte gleichlaufspeisevorrichtung fuer eine karde
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DE10048664A1 (de) * 2000-09-30 2002-05-08 Truetzschler Gmbh & Co Kg Vorrichtung an einer Karde, Reiniger o. dgl. für Fasergut, insbesondere Baumwolle
DE10051695A1 (de) * 2000-10-18 2002-06-20 Truetzschler Gmbh & Co Kg Vorrichtung an einer Karde für Textilfasern wie Baumwolle o. dgl.
JP2002180335A (ja) * 2000-12-11 2002-06-26 Truetzschler Gmbh & Co Kg カードに設けられる装置
DE10231829B4 (de) * 2002-07-15 2019-12-12 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Karde, Krempel, Reinigungsmaschine o. dgl. für Baumwolle mit mindestens einem Abscheidemesser
DE602004007644T2 (de) * 2004-07-29 2008-03-06 Marzoli S.P.A., Palazzolo Sull'oglio Einrichtung zur Faserbehandlung für eine Reinigungsmaschine oder eine Karde
BR112014018855B1 (pt) * 2012-01-31 2021-03-16 MARZOLI MACHINES TEXTILE S.r.l. unidade de bocal de sucção, unidade funcional e máquina de cardagem
DE102012012254A1 (de) * 2012-06-22 2013-12-24 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Spinnereivorbereitungsmaschine, z. B. Reiniger, Karde o. dgl., zum Öffnen und Reinigen von Fasergut
CN104047076B (zh) * 2014-06-15 2019-01-25 卓郎（常州）纺织机械有限公司 纺纱准备机上的分离刀变位调节装置及其使用方法
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0894877A2 (fr) * 1997-07-30 1999-02-03 Maschinenfabrik Rieter Ag Appareil d'extraction de souillure pour agregats de nettoyage de fibres
EP0909843A1 (fr) * 1997-10-16 1999-04-21 FRATELLI MARZOLI & C. S.p.A. Guide de fibre en forme de coin pour machine de cardage
EP1213378A1 (fr) * 2000-12-11 2002-06-12 Maschinenfabrik Rieter Ag Carde
DE102005038419A1 (de) * 2005-08-12 2007-02-15 Maschinenfabrik Rieter Ag Reinigungsvorrichtung für eine Textilmaschine
DE102005038405A1 (de) * 2005-08-12 2007-02-15 Maschinenfabrik Rieter Ag Reinigungsvorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113021433A (zh) * 2021-02-03 2021-06-25 上海爵诺科技有限公司 一种吸管单根或多根自动切断控料吐出机构
CN115418726A (zh) * 2022-10-08 2022-12-02 山东效棉机械有限公司 一种刀式排杂装置

Also Published As

Publication number Publication date
EP3530780B1 (fr) 2022-01-26
CN110195275A (zh) 2019-09-03
CH714680A1 (de) 2019-08-30
CN110195275B (zh) 2022-09-27

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