EP0382765A1 - Cardeuse - Google Patents

Cardeuse

Info

Publication number
EP0382765A1
EP0382765A1 EP88908858A EP88908858A EP0382765A1 EP 0382765 A1 EP0382765 A1 EP 0382765A1 EP 88908858 A EP88908858 A EP 88908858A EP 88908858 A EP88908858 A EP 88908858A EP 0382765 A1 EP0382765 A1 EP 0382765A1
Authority
EP
European Patent Office
Prior art keywords
carding
card
elements
drum
rotation
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.)
Pending
Application number
EP88908858A
Other languages
German (de)
English (en)
Inventor
Hans Rutz
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
Original Assignee
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 filed Critical Hollingsworth GmbH
Publication of EP0382765A1 publication Critical patent/EP0382765A1/fr
Pending legal-status Critical Current

Links

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
    • D01G15/76—Stripping or cleaning carding surfaces; Maintaining cleanliness of carding area
    • D01G15/80—Arrangements for stripping cylinders or rollers
    • 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
    • D01G15/80—Arrangements for stripping cylinders or rollers
    • D01G15/805—Arrangements for stripping cylinders or rollers by suction or blowing

Definitions

  • the invention relates to a card or card, with a carding drum and at least one carding element cooperating with the carding drum and a cleaning device connected to a suction device, cooperating with the carding drum and having working elements movable transversely to the direction of rotation of the carding drum.
  • a card of the type mentioned is known from DE-PS 26 24 367.
  • the card described there has, in addition to a carding cover, a cleaning device, consisting of a strip running transversely to the direction of rotation of the carding drum, which is provided with a scratching set on its side facing the carding drum.
  • cleaning devices are arranged either in front of a wall cover set or in front of and between stationary carding elements.
  • the cleaning belt which always rotates in one direction, is intended to laterally remove contaminants in the nonwoven fabric.
  • a suction nozzle is attached, which is intended to suck off the impurities which have got stuck in the scraper assembly of the cleaning belt.
  • a disadvantage of the known device is that the impurities in the fiber material have to travel unevenly long distances in order to be removed by the cleaning belt. This means that after the fibrous material has been passed through the carding drum past a cleaning device, one side of the fibrous material terials has less impurities than the other side. In addition, there is also transverse displacement of the fiber material itself, so that fiber material and impurities accumulate on one side of the carding drum. To counteract this, it is provided in the known device to arrange two cleaning belts one behind the other in the direction of rotation of the carding drum; which are operated in opposite directions. This only achieves that the material jam of fibers and impurities on one side of the carding drum is moved back to the center of the carding drum. An effective cleaning of the fiber material cannot be achieved in this way.
  • a cleaning device with a reciprocating suction tube is known, with which the surface of a scraping roller can be cleaned when there is no nonwoven fabric on it.
  • a card is also known from the GDR patent 16 154, in which a brush belt, which is arranged transversely to the direction of rotation of the take-up roll, is arranged on the take-off roll, the brush trim of which is intended to contribute in a simple manner to the production of a random fleece.
  • the invention has for its object to improve a card or card of the type mentioned in such a way that even stubborn contaminants can be eliminated from the fiber material when producing a uniform fleece.
  • the carding elements equipped with carding sets as working elements are arranged such that they can be swung back and forth transversely to the direction of rotation of the carding drum. This removes impurities from the fiber structure in a targeted manner, which can then be sucked off by the suction device, without this resulting in large displacements of the fiber material.
  • the reciprocating carding elements help to even out the fiber
  • a card is also known from US Pat. No. 1,732,860, in which a loosening roller which can be moved back and forth in the axial direction of the carding drum is provided; However, this is not used to remove contaminants from the fiber structure, but only to loosen up the fiber material on the carding drum before it is introduced into the gap between the carding cover and the carding drum.
  • a set of the carding elements and the cleaning device are designed as a common structural unit, in which the carding elements are designed as swiveling cover segments.
  • a particularly good removal of the problematic shell parts is achieved if several carding elements are provided which are mounted so that they can be swung out of phase with one another.
  • the shell parts, with the fibers attached to them, are used and inverted in multiple ways can also free themselves from wraps.
  • four such carding elements can preferably be provided in one set.
  • the carding elements are connected to an oscillating drive which can generate oscillation amplitudes of up to 50 mm.
  • the sets which mostly consist of sawtooth wire fittings, can e.g. have different orientations and geometric shapes. It is also possible that the underside of some carding elements is concave and that of other elements is convex or even wedge-shaped.
  • the distance between the individual carding elements and the carding drum can be set differently.
  • the carding effect benefits if the distance between the carding elements and the carding drum decreases in the direction of rotation of the carding drum. It has proven to be advantageous that the suction device is arranged behind the carding element set in the direction of rotation, since the contaminants are then already well removed from the fiber structure by the several carding elements arranged one behind the other and vibrating against one another, so that the suction can take place without other parts of the fiber structure can also be sucked off.
  • a plurality of structural units comprising carding element sets and cleaning devices with a suction device are provided one behind the other in the direction of rotation of the carding drum.
  • a shortened traveling cover set is arranged before or after the last assembly in the direction of rotation of the carding drum. Which arrangement you choose depends on the type and condition of the fibers to be processed.
  • micro-dedusting of the nonwoven fabric can already be brought about in a favorable manner in that the carding elements are spaced apart from one another in the circumferential direction and in that a second suction device is arranged between the carding elements.
  • a separating knife is arranged in front of the carding elements is.
  • a structural simplification can be achieved if the carding elements have a carrier for the carding sets made from a section steel.
  • Such profile steel which can be designed as a U, T or L profile, has sufficient stability on the one hand and offers good possibilities for attack for a sliding bearing for the back and forth movement of the carding elements.
  • FIG. 1 is a side view schematically a card according to the invention
  • Fig. 2 shows a detail II of Fig. 1 also schematically in a side view
  • Fig. 3 is a schematic plan view of a section of the detail shown in Fig. 2.
  • FIG. 5 in the same view as Fig. 4, a cardiac element according to a variant
  • FIG. 6 in a view like FIG. 4 a further variant of a carding element
  • Fig. 7 in detail the bearing guide for a carding element, cut open in the longitudinal direction of the cardi erel element, and
  • Fig. 8 shows the storage of the carding element of Fig. 7 in cross section along the line VIII-VIII.
  • 1 shows a schematic side view of a card according to the invention, with a carding drum 1 which rotates clockwise (direction of rotation D), a beater 2, which is arranged at the fiber inlet 3, and with a take-off roller 4.
  • a set of carding elements is also arranged on the outer circumference of the carding drum 1. More precisely, in the exemplary embodiment shown in FIG. 1, two carding element sets 6 and 7 are arranged with oscillating carding elements 9 to 12 to be explained later and a shortened traveling cover set 5 arranged downstream in the direction of rotation.
  • the revolving cover set 5 comprises only approx. 30 to 40 covers, so it is greatly shortened compared to the revolving cover sets having approx. 110 covers.
  • a carding element set 6 mentioned above is shown in the detailed view in FIG. 2. It comprises a suction device 8 and a cleaning device with carding elements 9, 10, 11 and 12 which can be moved transversely to the direction of rotation D of the carding drum 1 (cf. FIG. 3).
  • the carding elements 9, 10, 11 and 12 have carding sets 17 which cooperate with the set 13 of the carding drum 1.
  • the carding elements are arranged such that they can be swung back and forth transversely to the direction of rotation D of the carding drum 1. It can be clearly seen from FIGS. 2 and 3 that a carding element set 6 forms a common structural unit with the cleaning device and the suction device 8.
  • each carding element set 6 or 7 which are mounted such that they can be swung out of phase with one another (see FIG. 3).
  • the bearing 22 of an individual carding element 9 is shown by way of example in FIGS. 7 and 8. It can be seen that a bearing extension 23 protrudes in the longitudinal direction on the carding elements 9. This bearing extension 23 rests on a sliding guide 24 which is fastened to a fixed lower part 26 by means of a screw 25. Adjustment screws 27 and 28 are provided in the slide guide 24 on both sides of the fastening screw 25 and are supported on the lower part 26.
  • the height of the sliding guide 24 and thus also the distance between the clothing 17 of the carding element and the clothing 13 of the carding drum 1 can be adjusted; on the other hand, however, a different setting of the adjusting screw 27 relative to the adjusting screw 28 enables the carding set 17 of the carding element 9 to be set at an angle to the set 13 of the carding drum 1.
  • the sliding guide 24 is provided with a friction-reducing and wear-resistant coating. Instead of such a sliding bearing, however, it is also possible to provide a ball guide, as is generally known and is therefore not described in detail. It is also possible to provide a dovetail or V guide.
  • the oscillating drive 14 for the individual carding elements 9 to 12 is designed such that the individual carding elements, each offset by 90, are moved back and forth out of phase.
  • the vibration drive 14 can generate vibration amplitudes of up to 50 mm.
  • the oscillation frequencies of the cover segments 9 to 12 can be set up to 100 Hz.
  • the carding elements 9 to 12 can be set in vibration by the fact that eccentric disks 16 are provided on a shaft 15 of the oscillating drive 14 individual carding elements when the shaft 15 rotates transversely to the direction of rotation D of the carding drum 1. Since helical compression springs 29 are arranged on the side of the carding elements 9 to 12 opposite the eccentric disks 16, the carding elements swing back.
  • the sets 17 can each be arranged differently in the individual carding elements 9 to 12, depending on the technological requirements.
  • the distance between the individual cover segments 9 to 12 to the clothing 13 of the carding drum 1 can be of different sizes. It is advantageous if the distance in the direction of rotation D of the carding drum 1 is reduced, so that a converging gap is formed between the cover segments 9 to 12 and the clothing 13 of the carding drum 1.
  • the suction device 8 is arranged in the direction of rotation D behind the last carding element 12 and has a separating knife 19, at the upper end of which an axial tube 21 is arranged.
  • the axial tube 21 is provided with suction openings 30 directed towards the separating knife 19.
  • the axial tube 21 is connected to a suction device 18 at least at one end.
  • a substantially axially directed suction flow is formed in the axial tube 21, while an essentially radial flow arises above the separating knife, so that impurities from the nonwoven fabric first pass essentially radially through the separating knife through the suction openings 30 into the axial pipe and are sucked off axially there become.
  • a second suction device 31 is also provided, which removes micro dust located in the fiber structure between the individual carding elements 9 to 12.
  • the second suction device 31 essentially consists of a housing cover which is connected to a suction device 32.
  • the suction power of the second suction device 31 is lower than the power of the suction device 8, since only micro dust is to be suctioned off here and no coarser impurities.
  • the individual carding elements 9 to 12 also have separating knives 33 on their front edge, based on the direction of rotation D of the carding drum 1.
  • a vacuum is generated above the separating knife 33 by the second suction device, so that the micro dust is sucked off along the surface of the separating knife 33.
  • an air baffle 34 is provided, which extends essentially parallel to the surface of the carding drum 1 and ensures more favorable flow conditions.
  • the individual carding elements differ essentially in that a different profile steel was used as a carrier for the clothing 17.
  • the carding elements 9 and 10 in Fig. 4 from an L-profile, on the lower legs of which the clothing 17 is arranged.
  • the air baffle 34 which is also formed from an L-profile, can be screwed onto the upright leg in a simple manner.
  • the carrier for the carding set 17 consists of a U-profile, the set 17 being attached to the underside of the cross member of the U.
  • the front leg of the U-shaped carrier of the carding element 9, as seen in the direction of rotation of the carding drum 1, is partially open, the separating knife 33 being inserted into this opening 35.
  • the U-shaped carrier is closed on its upper side by a cover 36 and connected to the second suction device 32 (not shown in FIG. 5) via a further opening 37.
  • the micro-dust is thus suctioned through the carrier of the carding element 9.
  • each carding element 9 to 12 can also be connected directly to a suction device without the carding elements 9 to 12 having to be covered by a common hood.
  • FIG. 6 A further variant of a carding element 9 is shown in FIG. 6, the carrier for the carding set 17 being designed as a T-profile.
  • the carding set 17 sits on the underside of the crossbar of the T-shaped support.
  • the discharge knife 33 extends from the front edge of the crosspiece to approximately the middle of the upright leg of the carding element 9.
  • the air baffle 34 which is also L-shaped again, is screwed onto the rear edge of the T-profile.
  • Another set 7 can be connected to the above-described structural unit of a set 6 of carding elements 9 to 12 and suction device 8. Depending on the quality of the fiber material to be processed, further sets of carding elements can also be provided.
  • a shortened revolving cover set 5 Such a revolving cover set 5 can also be arranged upstream of a carding element set 6 or 7, viewed in the direction of rotation D.
  • a fixed carding element 38 is arranged.
  • a further carding element 39 is arranged directly in front of the take-off roller 4, which card can also swing back and forth, or can also be designed to be stationary.
  • the fiber material reaches the carding drum 1 via feed rollers and the beater and is there in the direction of rotation D the first
  • Carding element set 6 supplied.
  • the carding elements 9 to 12 which are loaded with the clothing 17 and oscillate back and forth, move the fiber material transversely to the direction of rotation D of the carding drum 1. Since adjacent carding elements 9 to 12 oscillate out of phase, impurities in the fiber structure are rotated and turned. This is particularly important for foreign fibers and so-called "seed coat" fragments such Schalentei le to which fibers still adhere, since these shell parts first have to be removed from the fiber structure before they can be suctioned off. Turning and turning the shell parts makes it considerably easier to remove them from the fiber structure.
  • the second suction device 31 is operated, as a result of which micro dust is suctioned off between the carding elements.
  • the lid segments By swinging the lid segments back and forth, the micro dust is loosened well.
  • the nonwoven fabric to be produced has essentially the same density and thickness over its entire width, which has a particularly positive effect on the yarn values.
  • the impurities and the shell parts lie relatively loosely on the surface of the loosened fiber structure and can be suctioned off in the suction direction S by the downstream suction device 8. Due to the special arrangement between the axial tube 21 and the separating knife 19 of the suction device 8, the air is sucked off essentially radially, so that impurities and scarf are rushed out of the fiber composite relatively well, without the fibers processed by the oscillating carding elements from the Fiber dressing can be sucked out.
  • the oscillation drive of the cover segments can also take place via a crankshaft, as is known, for example, from engine construction. It is also conceivable to control the carding elements individually via hydropulse cylinders, so that the carding elements can work with different oscillation frequencies. The amplitude and frequency of the carding elements can be adapted to the respective conditions. Depending on the technological requirements, the order between oscillating, moving and fixed carding elements can be varied.
  • the carrier for the carding set does not necessarily have to be made of steel, it is also possible to use light metal profiles or profiles made of fiber composite materials.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

Dans une cardeuse connue possédant un tambour de cardage (1) avec lequel coopère un élément de cardage (5), il est prévu un ruban de nettoyage à raclettes (17) déplaçable transversalement au sens de rotation du tambour de cardage, lequel ruban (6, 7) est relié à un dispositif d'aspiration (8). Les raclettes transportent les impuretés contenues dans la matière fibreuse sur une face, ce qui provoque des déplacements transversaux de la matière fibreuse qui se traduisent par des épaisseurs irrégulières de cette dernière. De plus, les impuretés ne sont pas complètement éliminées, mais sont plutôt accumulées sur une face de la matière fibreuse. Dans la cardeuse décrite, les éléments de cardage sont agencés oscillants selon un mouvement alternatif, transversalement au sens de rotation du tambour de cardage, et détachent des impuretés présentes dans la texture fibreuse, qui sont ensuite aspirées par le dispositif d'aspiration (31). Ladite cardeuse se prête à la fabrication de non-tissés, notamment en matière fibreuse riche en particules graineuses, en fragments dits ''seed coat''.
EP88908858A 1987-09-30 1988-09-30 Cardeuse Pending EP0382765A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873733094 DE3733094A1 (de) 1987-09-30 1987-09-30 Karde oder krempel
DE3733094 1987-09-30

Publications (1)

Publication Number Publication Date
EP0382765A1 true EP0382765A1 (fr) 1990-08-22

Family

ID=6337329

Family Applications (2)

Application Number Title Priority Date Filing Date
EP88116207A Withdrawn EP0310964A1 (fr) 1987-09-30 1988-09-30 Machine à carder le coton ou la laine
EP88908858A Pending EP0382765A1 (fr) 1987-09-30 1988-09-30 Cardeuse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP88116207A Withdrawn EP0310964A1 (fr) 1987-09-30 1988-09-30 Machine à carder le coton ou la laine

Country Status (5)

Country Link
US (1) US5022121A (fr)
EP (2) EP0310964A1 (fr)
JP (1) JPH03500309A (fr)
DE (1) DE3733094A1 (fr)
WO (1) WO1989002941A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902202B4 (de) * 1989-01-26 2004-09-23 Trützschler GmbH & Co KG Vorrichtung an einer Karde, bei der unterhalb der Trommel zwischen Abnehmer und Vorreißer Abdeckelemente angeordnet sind
IT1246971B (it) * 1991-06-25 1994-12-01 Marcello Giuliani Carda cotoniera e per impieghi analoghi, con cappelli cardanti fissi che formano organi pulenti.
DE4302075C2 (de) * 1993-01-26 1996-02-08 Wirkbau Textilmasch Gmbh Deckelkarde
US5737806A (en) * 1994-05-26 1998-04-14 Trutzschler Gmbh & Co. Kg Apparatus for treating fiber and producing a fiber lap therefrom
DE4422655A1 (de) * 1994-06-28 1996-01-04 Hollingsworth Gmbh Schmutzausscheider für Kardiervorrichtungen
US5749703A (en) * 1995-05-19 1998-05-12 Stober + Morlock Warmekraft Gesellschaft Mbh Shaft assembly for gas control flap in a gas turbine
DE19809330B4 (de) * 1998-03-05 2009-05-07 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde, bei der einer Walze, z. B. Trommel, mindestens ein ortsfestes Kardiersegment zugeordnet ist
RU2139375C1 (ru) * 1998-03-30 1999-10-10 Акционерное общество открытого типа Чесальная машина
DE19923420A1 (de) * 1999-05-21 2000-11-23 Truetzschler Gmbh & Co Kg Vorrichtung an einer Spinnereivorbereitungsmaschine, z. B. Karde, Reiniger o. dgl., zur Messung von Abständen an Gegenflächen
DE10051695A1 (de) * 2000-10-18 2002-06-20 Truetzschler Gmbh & Co Kg Vorrichtung an einer Karde für Textilfasern wie Baumwolle o. dgl.
DE10110825A1 (de) * 2000-12-11 2002-06-13 Truetzschler Gmbh & Co Kg Vorrichtung an einer Karde, bei der unterhalb der Trommel zwischen Abnehmer und Vorreisser, Abdeckelemente mit mindestens einer Öffnung vorhanden sind
ITMI20020378A1 (it) 2001-03-07 2003-08-26 Truetzschler & Co Dispositivo su una carda pulitore apritoio o simili per fibre per esempio cotone fibre sintetiche
DE10163178B4 (de) * 2001-12-21 2018-10-11 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Spinnereivorbereitungsmaschine, z.B. Karde, zur Entfernung von Fremdkörpern wie Trash u. dgl.
DE10207159B4 (de) * 2002-02-20 2015-12-17 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Karde, bei der einer Walze, z. B. Trommel, eine Mehrzahl von Arbeitselementen zugeordnet ist
EP1378593A1 (fr) * 2002-07-01 2004-01-07 MARZOLI S.p.A. Carde et méthode de cardage
DE102006003958B4 (de) * 2006-01-26 2020-10-08 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Karde für Baumwolle, Chemiefasern o. dgl. mit einem Kardierelement
CN112880357A (zh) * 2021-04-27 2021-06-01 山东云豪卫生用品股份有限公司 一种纸尿裤加工用无纺布烘干装置

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FR1318002A (fr) * 1963-05-10
US462121A (en) * 1891-10-27 Card-flat
US684703A (en) * 1901-01-12 1901-10-15 Saco And Pettee Machine Shops Flat for carding-engines.
US1732860A (en) * 1927-09-27 1929-10-22 Rooney Elwin Holbrook Card-cleaning device
US2284750A (en) * 1941-05-07 1942-06-02 Spring Packing Corp Delinting waste puller
FR884073A (fr) * 1942-03-04 1943-08-02 Perfectionnements apportés aux dispositifs du genre des aiguilles pour phonographes
US2651080A (en) * 1947-07-17 1953-09-08 Richard Paris I Method and apparatus for cleaning fiber treating machines
US2740994A (en) * 1952-01-24 1956-04-10 Abington Textile Mach Works Cleaning nozzle for carding machine
US2908046A (en) * 1955-01-25 1959-10-13 Ohnishi Hiroshi Carding engine
CH595468A5 (fr) * 1975-06-02 1978-02-15 Rieter Ag Maschf
ES235283Y (es) * 1978-04-11 1978-12-16 Barcons Estebanell Juan Dispositivo abridor limpiador peinador perfeccionado.
SE432449B (sv) * 1980-05-14 1984-04-02 Keijo Silander Forfarande vid en kardmaskin for bomull och anordning for forfarandets genomforande
DE3034036C2 (de) * 1980-09-10 1985-04-18 Hollingsworth Gmbh, 7265 Neubulach Schmutzausscheider mit Vliesstrichplatte
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DE3644529C2 (de) * 1986-12-24 1998-02-26 Truetzschler Gmbh & Co Kg Vorrichtung zur Ausscheidung von Verunreinigungen, wie Trash, Schalenteile u. dgl. für eine Karde oder Krempel

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Title
See references of WO8902941A1 *

Also Published As

Publication number Publication date
EP0310964A1 (fr) 1989-04-12
JPH03500309A (ja) 1991-01-24
US5022121A (en) 1991-06-11
DE3733094C2 (fr) 1991-02-07
DE3733094A1 (de) 1989-04-20
WO1989002941A1 (fr) 1989-04-06

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