EP2527505B1 - Krempel einer Garnspinnlinie - Google Patents

Krempel einer Garnspinnlinie Download PDF

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Publication number
EP2527505B1
EP2527505B1 EP12167883.3A EP12167883A EP2527505B1 EP 2527505 B1 EP2527505 B1 EP 2527505B1 EP 12167883 A EP12167883 A EP 12167883A EP 2527505 B1 EP2527505 B1 EP 2527505B1
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EP
European Patent Office
Prior art keywords
cylinder
briseur
doffer
carding
line
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
EP12167883.3A
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English (en)
French (fr)
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EP2527505A1 (de
Inventor
Silvano Pattelli
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.)
Marzoli Machines Textile SRL
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Marzoli SpA
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Publication of EP2527505A1 publication Critical patent/EP2527505A1/de
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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
    • D01G15/26—Arrangements or disposition of carding elements
    • 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
    • D01G15/32—Framework; Casings; Coverings

Definitions

  • the present invention relates to a carding machine of a yarn spinning line.
  • the fibre for example in tufts, is first picked from bales, subjected to cleaning and opening operations, and forwarded for carding.
  • Carding is an operation of primary importance, in that the fibre fed in tufts, is further cleaned and parallelised, coming out in web form for subsequent processing.
  • document EP-A-0866153 illustrates a carding machine fitted with a cylinder having a diameter of 700 to 1000 millimetres and a working width of about 1500 millimetres.
  • WO-A1-2007/033503 discloses other embodiments of carding machines.
  • the purpose of the present invention is to make a carding machine able to achieve high levels of productivity.
  • FIG. 1 shows a carding apparatus according to the present invention, comprising a feed silo, a carding machine and a coiler group;
  • figure 2 shows a diagram of the carding machine in figure 1 ;
  • figure 3 shows a diagram of a support frame of the machine in figure 2 .
  • a carding apparatus 100 on a yarn spinning line comprises a feed silo 102 for depositing the fibre in tufts.
  • the feed silo 102 comprises an upper chamber 104, generally vertical, onto which an entry duct 106 opens which takes the fibre in tufts coming from the machine upstream, and a pair of counter-rotating introduction cylinders 108, 110 downstream of the upper chamber 104.
  • the silo 102 further comprises a lower chamber 112 for the formation of a pad of fibre tufts, generally inclined, downstream of the introduction cylinders 108, 110, and a pair of counter-rotating extraction cylinders 114, 116, downstream of the lower chamber 112.
  • the fibre in tufts which arrives in a whirl from the entrance duct 106 in a current of air, deposits firstly in the upper chamber 104 and is then introduced in the lower chamber 112, forming a tuft pad.
  • the carding apparatus 100 further comprises a carding machine 10, downstream of the feed silo 102, for carding the tufts and obtaining a web, later sent for subsequent processing.
  • the carding machine 10 is suitable for processing cotton cut fibres, that is to say fibres of a length of about 25 to 65 millimetres.
  • the carding machine 10 comprises a feed duct 1, connected downstream of the introduction cylinders 114,116, generally inclined downwards in the direction of advancement of the tufts, and a feed cylinder 2, placed at the end downstream of the feed duct 1, to facilitate the feeding downstream of the fibre tufts.
  • the carding machine 10 comprises an introduction cylinder 12 or briseur, rotating on command and faced on the surface, operatively engaged with the feed duct 1 and with the feed cylinder 2 to withdraw the fibre tufts and place them in rotation on its lateral surface.
  • the briseur has a working diameter, that is a diameter measured bearing in mind the height of the tips of the surface facing, greater than 150 mm and less than 400 mm, preferably greater than 175 mm and less than 350 mm, preferably greater than 255 mm and less than 300 mm, specifically equal to 256 mm.
  • the carding machine 10 comprises briseur accessories 14, such as suction inlets, fixed carding sectors and peripheral covers, positioned peripherally to the briseur 12.
  • briseur accessories 14 such as suction inlets, fixed carding sectors and peripheral covers, positioned peripherally to the briseur 12.
  • the carding machine 10 comprises a main carding cylinder 20, downstream of the briseur 12.
  • the cylinder is faced on the surface rotating on command and counter-rotating to the briseur, and operatively engaged with the surface of the latter, to pick up the fibre.
  • the working diameter of the cylinder 20 is greater than 800 mm and less than 1350 mm, preferably greater than 1000 mm and less than 1200 mm, specifically equal to 1006 mm.
  • a straight line passing through the centre of the cylinder and the centre of the briseur defines a diametrical briseur-cylinder transfer line 22, in that, at its intersection with the outer work surface of the cylinder, an area is formed in which the fibre migrates from the surface of the briseur to the surface of the cylinder.
  • the carding machine comprises a movable flats device 30 comprising a plurality of flats 32, translating along a closed circuit comprising a working section parallel to the work surface of the cylinder 20.
  • the working section of the movable flats device extends from an initial line 34, defined as the straight line passing through the centre of the cylinder and the point of the working circumference of the cylinder where the translating flats 32 disengage from the cylinder, and an end line 36, defined as the straight line passing through the centre of the cylinder and the point of the working circumference of the cylinder where the translating flats 32 begin engagement with the cylinder.
  • the zone of the lateral surface of the cylinder between the initial line and the end line is defined the main carding zone.
  • the main carding zone has an angular extension of 80° to 150°, preferably 90° to 140°, preferably 100° to 130°, preferably equal to 120°.
  • the zone of the cylinder 20 contained between the initial line 34 and the briseur-cylinder transfer line 22 defines a total pre-carding zone; the zone of the cylinder 20 contained between the initial line 34 and the diametrical horizontal line 38 defines an upper pre-carding zone; the zone of the cylinder 20 contained between the diametrical horizontal line 38 and the briseur-cylinder transfer line 22 defines a lower pre-carding zone.
  • the lower pre-carding zone has an angular width of more than 40°, and less than 60°, preferably more than 45° and less than 55°, preferably equal to 52°.
  • the carding machine 10 comprises an extraction cylinder or doffer 40, downstream of the cylinder 20.
  • the doffer 40 is faced on the surface, rotating on command and counter-rotating to the cylinder, and operatively engaged with the surface of the latter, to pick up the fibre.
  • the working diameter of the doffer 40 is greater than 650 mm and less than 750 mm, preferably greater than 705 mm and less than 730 mm, specifically equal to 700 mm.
  • a straight line passing through the centre of the cylinder and the centre of the doffer defines a diametrical cylinder-doffer transfer line 42, in that, at its intersection with the outer work surface of the cylinder, an area is formed in which the fibre migrates from the surface of the cylinder to the surface of the doffer.
  • the zone of the cylinder 20 contained between the end line 36 of the main carding zone and the cylinder-doffer transfer line 42 defines a total post-carding zone; the zone of the cylinder 20 contained between the end line 36 of the main carding zone and the horizontal line 38 defines an upper post-carding zone; the zone of the cylinder 20 contained between the horizontal line 38 and the cylinder-doffer transfer line 42 defines a lower post-carding zone.
  • the lower post-carding zone has an angular width of more than 50°, preferably equal to 52°.
  • the area under the cylinder has an angular width of more than 70° and less than 100°, preferably greater than 75° and less than 90°, specifically equal to 76°.
  • the total carding zone has an angular width of more than 255° and less than 290°, preferably more than 280° and less than 285°, specifically equal to 284°.
  • the carding machine 10 comprises a set of cylinder accessories 50, such as suction inlets, fixed carding sectors and peripheral covers, positioned peripherally to the cylinder 20.
  • cylinder accessories 50 such as suction inlets, fixed carding sectors and peripheral covers
  • the carding machine 10 comprises at least one accessory under the cylinder, positioned in the area under the cylinder, suitable for operating on the air transported in the area under the cylinder.
  • the carding machine 10 comprises at least one suction inlet 52 under the cylinder, having a suction inlet 54 facing towards the surface of the cylinder.
  • a vertical plane passing through the centre of the cylinder defines a vertical diametrical line 56, while a plane passing at its apex upstream of the suction inlet 54, in the direction of rotation of the cylinder, defines a suction line 58 under the cylinder.
  • the suction line 58 under the cylinder is downstream of the vertical diametrical line 56, that is, proximal to the briseur and distal from the doffer.
  • the angular width of the area between the vertical diametrical line 56 and the suction line 58 under the cylinder is 0° (apex of the inlet 54 on the vertical diametrical line) to 20°, preferably 5° to 15°, preferably about 9°.
  • the suction line under the cylinder is upstream of the vertical diametrical line.
  • the working height of the carding machine is defined by the length of the cylinder along the rotation axis.
  • the working height is 1000 mm to 2000 mm, preferably 1200 mm to 1700 mm, preferably greater than 1300 millimetres, preferably equal to 1518 mm.
  • the carding machine 10 further comprises a support frame 60 to support the briseur, the cylinder and the doffer.
  • the frame 60 comprises an entrance frame 66 to support the briseur, a central frame 64 to support the cylinder 20, and an exit frame 62 to support the doffer, each formed of respective columns axially spaced, that is in the direction of the working height.
  • the central frame 64 extends vertically at a greater height than that of the entrance and exit frames alongside it.
  • the frame 60 comprises reinforcement cross-members 68 which axially join the columns, to stiffen the structure.
  • the carding machine 10 comprises transmission organs for the transmission of movement from the electric motors to the briseur, to the cylinder and to the doffer; said transmission organs being connected to the sides of the briseur, of the cylinder and of the doffer above working height in such a way as to prevent interference with the frame 60, and especially to prevent any structural interference with the columns of the central frame 64 and with the cross-members 68.
  • the carding apparatus 100 comprises a coiler group 200 downstream of the carding machine 10, to collect the web in cans.
  • the carding machine according to the present invention makes it possible to achieve high productivity, while maintaining the characteristics of reliability unaltered.
  • the carding machine has an extensive total carding surface, despite maintaining the stiffness quotient of the support frame high.
  • the lower pre-carding zone has an angular extension sufficiently pressed to maximise the carding surface and keep the formation chamber of the pad in the feed silo (limiting the total height of the silo) sufficiently high.
  • the lower pre-carding zone has an angular extension sufficiently pressed to keep the upper well, the lower well and the feed duct sufficiently high for the correct formation of the pad.
  • the lower pre-carding zone has an angular extension sufficiently limited to not jeopardise the structural robustness of the support frame, and in particular, the central frame.
  • the lower post-carding zone has an angular extension sufficiently pressed to maximise the carding surface and optimise the transfer of fibre between the cylinder and the doffer, but sufficiently limited to not jeopardise the structural robustness of the support frame, and in particular of the central frame.
  • the working diameter of the cylinder is sufficient for having an extensive carding surface, but limited enough to contain the entity of the centrifugal forces operating on the outer casing.
  • Such centrifugal forces when too high, tend to form radial expansions of the casing of too great an entity and unevenly along the height of the same, as well as imposing the realisation of more robust supports for the cylinder.
  • the diameter is sufficiently elevated so that, for the same carding surface S and working height L1, the width of the total carding zone As is limited enough to avoid the structural drawbacks spoken of.
  • the carding machine makes it possible to operate on the air generated by the rotation of the cylinder in the zone under the cylinder, making use of every available surface between the briseur and the doffer.

Landscapes

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

Claims (14)

  1. Krempelmaschine (10) einer Fertigungsstraße, welche eine Faser zum Spinnen vorbereitet, umfassend:
    einen Brecher (Briseur) (12), welcher rotierbar ist, um die Faser in Büscheln von einem im Arbeitsfluss-aufwärts befindlichen Zuführspeicher abzunehmen;
    einen Zylinder (20), welcher entgegengesetzt zum Brecher (12) rotiert, und Arbeitsfluss-abwärts von diesem angeordnet ist und geeignet ist, diesen peripher zu erfassen, die Faser von diesem abzunehmen und die genannte Faser in Rotation auf seine eigene laterale Fläche bzw. Oberfläche zu ziehen; und
    einen Abnehmer (40), welcher entgegengesetzt zum Zylinder (20) rotiert, Arbeitsfluss-abwärts von diesem angeordnet ist und geeignet ist, diesen peripher zu erfassen, die Faser von diesem abzunehmen und die Faser in Rotation auf seine eigene laterale Fläche bzw. Oberfläche zu ziehen;
    wobei:
    eine horizontale Ebene, welche durch das Zentrum des Zylinders (20) verläuft, eine horizontale Durchmesser-Linie (38) definiert; die gerade Linie, welche durch das Zentrum des Zylinders (20) und das Zentrum des Brechers (12) verläuft, eine Brecher-Zylinder Transferlinie (22) definiert; und
    die gerade Linie, welche durch das Zentrum des Zylinders (20) und das Zentrum des Abnehmers (40) verläuft, eine Zylinder-Abnehmer Transferlinie (56) festlegt;
    und wobei die untere Nach-Krempelzone, welche in einer Winkelweite zwischen der horizontalen Durchmesser-Linie (38) und der Zylinder-Abnehmer Transferlinie (42) definiert ist, eine Winkelweite von mehr als 50°, vorzugsweise 52°, aufweist.
  2. Maschine nach Anspruch 1, wobei die untere Vor-Krempelzone, welche zwischen der horizontalen Durchmesser-Linie und der Brecher-Zylinder Transferlinie (22) festgelegt ist, eine Winkelweite von mehr als 40°, und weniger als 60°, vorzugsweise mehr als 45° und weniger als 55°, vorzugsweise gleich 52° aufweist.
  3. Maschine nach Anspruch 1 oder 2, wobei der Bereich unter dem Zylinder, der zwischen der Zylinder-Abnehmer Transferlinie (42) und der Brecher-Zylinder Transferlinie (22) festgelegt ist, in der genannten Reihenfolge und in der Rotationsrichtung des Zylinders eine Winkelweite von mehr als 70° und weniger als 100° umfasst, vorzugsweise mehr als 75° und weniger als 90°, speziell gleich 76° aufweist.
  4. Maschine nach einem der vorhergehenden Ansprüche, umfassend zumindest ein Zusatzteil unter dem Zylinder, welches in dem Bereich unter dem Zylinder positioniert ist, welcher zwischen der Zylinder-Abnehmer Transferlinie (42) und der Brecher-Zylinder Transferlinie (22) festgelegt ist, in der genannten Reihenfolge und in Rotationsrichtung des Zylinders, wobei das Zubehörteil geeignet ist, an der Luft unter dem Zylinder zu wirken.
  5. Maschine nach Anspruch 4, umfassend zumindest einen Saugeinlass (52) unter dem Zylinder, welcher einen Saugeinlass (54) aufweist, der der Oberfläche des Zylinders zugewandt bzw. gegenüberliegend ist.
  6. Maschine nach Anspruch 5, wobei die Winkelweite des Bereichs zwischen einer vertikalen Durchmesser-Linie (56) und einer Sauglinie (58) unter dem Zylinder an seinem Scheitel Arbeitsfluss-aufwärts vom Saugeinlass (54) passierend zwischen 0 und 20°, vorzugsweise zwischen 5° und 15°, vorzugsweise ungefähr 9° ist.
  7. Maschine nach einem der vorherigen Ansprüche, wobei die Arbeitshöhe 1000 mm bis 2000 mm ist, vorzugsweise 1200 mm bis 1700 mm, vorzugsweise gleich 1518 mm ist.
  8. Maschine nach einem der vorherigen Ansprüche, umfassend eine bewegliche Flach-Vorrichtung (30), welche eine Vielzahl von Abflachungen (32) umfasst, welche entlang eines geschlossenen Kreislaufs laufen und einen Arbeitsbereich parallel zur Arbeitsoberfläche des Zylinders (20) aufweisen.
  9. Maschine nach Anspruch 8, wobei eine Hauptkrempelzone, welche zwischen einer Anfangsdurchmesserlinie (34), wobei sich die beweglichen Abflachungen vom Zylinder lösen, und einer Enddurchmesserlinie (36), wobei die umlaufenden Abflachungen die Erfassung des Zylinders beginnen, definiert ist, eine Winkelausdehnung von 80° bis 150°, vorzugsweise 90° bis 140°, vorzugsweise 100° bis 130°, vorzugsweise gleich 120° aufweist.
  10. Maschine nach einem der vorherigen Ansprüche, wobei der Arbeitsdurchmesser des Zylinders (20) 1000 Millimeter bis 1200 Millimeter, vorzugsweise 1000 bis 1100 Millimeter, vorzugsweise gleich 1006 Millimeter ist.
  11. Maschine nach einem der vorherigen Ansprüche, umfassend einen Trägerrahmen (60) zum Stützen des Brechers (12), des Zylinders und des Abnehmers, umfassend einen Eingangsrahmen (66) zum Stützen des Brechers (12), einen Zentralrahmen (64) zum Stützen des Zylinders (20), und einen Ausgangsrahmen (62) zum Stützen des Abnehmers, wobei jeder durch jeweilige axial beabstandete Säulen gebildet wird, wobei sich der Zentralrahmen (64) vertikal zu bzw. bei einer größeren Höhe erstreckt als die Höhe des Eingangsrahmens und des Ausgangsrahmens längsseits davon.
  12. Maschine nach Anspruch 11, wobei der Rahmen (60) Verstärkungsquerstreben (68) umfasst, welche sich axial an die Säulen anfügen, um die Struktur zu versteifen.
  13. Maschine nach Anspruch 11 oder 12, umfassend Transmissionsorgane zur Übertragung von Bewegung von den Elektromotoren zum Brecher, zum Zylinder und zum Abnehmer, wobei die Transmissionsorgane zu den Seiten des Brechers, des Zylinders und des Abnehmers oberhalb der Arbeitshöhe verbunden sind, eine Überschneidung mit dem Zentralrahmen (64) verhindernd.
  14. Krempelvorrichtung (100) umfassend:
    Einen Zuführspeicher (102) für die Faser in Büscheln;
    eine Krempelmaschine (10) nach einem der Ansprüche 1 bis 13 Arbeitsfluss-abwärts des Zuführspeichers,
    eine Haspelgruppe (200) Arbeitsfluss-abwärts der Krempelmaschine (10), um das Gewebe in Dosen zu sammeln.
EP12167883.3A 2011-05-20 2012-05-14 Krempel einer Garnspinnlinie Active EP2527505B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000073A ITBS20110073A1 (it) 2011-05-20 2011-05-20 Macchina cardatrice di una linea di preparazione alla filatura

Publications (2)

Publication Number Publication Date
EP2527505A1 EP2527505A1 (de) 2012-11-28
EP2527505B1 true EP2527505B1 (de) 2014-07-23

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EP (1) EP2527505B1 (de)
CN (1) CN102797077B (de)
BR (1) BR102012011955B1 (de)
IT (1) ITBS20110073A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102747460A (zh) * 2012-07-31 2012-10-24 孙鹏子 六区分梳型梳棉机
CH711685A1 (de) 2015-10-27 2017-04-28 Rieter Ag Maschf Wanderdeckelkarde.
CN106012118B (zh) * 2016-07-20 2018-01-26 常熟市飞龙无纺机械有限公司 具有防金属杂物功能的梳理机的进棉装置
CN107523902A (zh) * 2017-09-18 2017-12-29 魏桥纺织股份有限公司 一种有助于提高棉织物品质的梳棉机及梳理工艺
CH715975A2 (de) * 2019-03-19 2020-09-30 Rieter Ag Maschf Karde mit Ausscheideelementen.
DE102022108808A1 (de) 2022-03-16 2023-09-21 Trützschler Group SE Karde
WO2023174588A1 (de) 2022-03-16 2023-09-21 Trützschler Group SE Karde
DE102022119240A1 (de) 2022-08-01 2024-02-01 Trützschler Group SE Karde

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD225599A3 (de) * 1982-12-30 1985-07-31 Textima Veb K Garnitur fuer kardiersegmente an karden
DE59804953D1 (de) * 1997-02-24 2002-09-05 Rieter Ag Maschf Hochleistungskarde
CN2748480Y (zh) * 2004-10-13 2005-12-28 刘志祥 梳棉机异形活动盖板
DE502006008525D1 (de) * 2005-09-26 2011-01-27 Rieter Ag Maschf Vorrichtung zum verarbeiten von fasern an der trommel einer karde
CN1884646A (zh) * 2006-07-08 2006-12-27 苏拉（金坛）纺织机械有限公司 梳棉机锡林活动盖板条及平整胶的增设方法
CN201109809Y (zh) * 2007-07-20 2008-09-03 江苏四方机械集团有限公司 电脑控制高速梳毛机
CN201343589Y (zh) * 2008-12-30 2009-11-11 青岛东佳纺机（集团）有限公司 宽幅梳棉机

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ITBS20110073A1 (it) 2012-11-21
BR102012011955B1 (pt) 2021-02-02
BR102012011955A2 (pt) 2013-11-19
CN102797077A (zh) 2012-11-28
CN102797077B (zh) 2016-08-24
EP2527505A1 (de) 2012-11-28

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