EP3473754A1 - Fil de garniture - Google Patents

Fil de garniture Download PDF

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Publication number
EP3473754A1
EP3473754A1 EP17197463.7A EP17197463A EP3473754A1 EP 3473754 A1 EP3473754 A1 EP 3473754A1 EP 17197463 A EP17197463 A EP 17197463A EP 3473754 A1 EP3473754 A1 EP 3473754A1
Authority
EP
European Patent Office
Prior art keywords
tooth
wire
pitch
longitudinal direction
face
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
EP17197463.7A
Other languages
German (de)
English (en)
Other versions
EP3473754B1 (fr
Inventor
Peter HEISSEL
Stefan Lohrmann
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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 Groz Beckert KG filed Critical Groz Beckert KG
Priority to EP17197463.7A priority Critical patent/EP3473754B1/fr
Priority to BR102018014143-0A priority patent/BR102018014143B1/pt
Priority to JP2018179205A priority patent/JP2019077978A/ja
Priority to KR1020180123674A priority patent/KR102652089B1/ko
Priority to CN201811222115.XA priority patent/CN109695075B/zh
Priority to US16/165,338 priority patent/US10988863B2/en
Publication of EP3473754A1 publication Critical patent/EP3473754A1/fr
Application granted granted Critical
Publication of EP3473754B1 publication Critical patent/EP3473754B1/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
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • 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
    • D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
    • D01G15/465—Doffing arrangements for removing fibres using, or cooperating with, pneumatic means
    • 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
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/88—Card clothing; Manufacture thereof not otherwise provided for formed from metal sheets or strips

Definitions

  • the invention relates to a clothing wire for a roll of a carding machine.
  • Carding machines, carding machines or carding machines are used to open (to separate) or to align, to homogenize (in nonwoven production) and / or to parallelize the fibers of a fiber material, for example a wool, cotton or else of synthetic fibers or of a fiber mixture (in US Pat yarn).
  • the carding process can be used to produce a batt of fibrous material.
  • the batt consists of a loose composite of ordered individual fibers. From such a batt, for example, a nonwoven fabric can be produced.
  • the batt results in carding by the fibers are removed and summarized by a designated also as a tambour large Garniturwalze using a pickup.
  • the carding machine can have various clothing rollers. Each set roller is occupied with approximately radially outward teeth, teeth or points. The number and / or the size / or the density of the teeth, points or points, their shape and shape may vary.
  • the clothing rollers are usually provided with all-steel accessories. These consist of a profiled clothing wire which is wound under tension on the relevant clothing roller.
  • the clothing wire has a foot portion and a blade portion.
  • the foot portion may be rectangular or square in cross-section, for example. From the foot section of the blade section protrudes, in the use position approximately transversely to the lateral surface of the clothing roller.
  • the blade section has a sawtooth profile to form the teeth or serrations.
  • the clothing wire is wound around the outer surface of the clothing roller under longitudinal tension and the two ends are fastened to the clothing roller.
  • Dressing wires are known in many different designs.
  • For various functions of the respective clothing roller in the carding machine are also special Groups of clothing wires each having specific geometric features proposed.
  • the WO00 / 26450A1 , the WO2011 / 138322A1 and the WO2013 / 037711A1 Show clothing wires, which are particularly suitable for so-called worker rolls, doffer rollers or transfer rollers.
  • the teeth of these clothing wires are typically stamped relatively deep compared to the overall height of the clothing wire and are inclined with their tooth face relatively strongly forward towards the foot portion.
  • the tooth face is the side of the tooth that comes in direct contact with the fibers during carding.
  • the cited documents show areas of the tooth face, which are further inclined to the foot of the clothing to increase the carding effect of the clothing.
  • a region of the tooth face inclined more towards the foot of the clothing can be referred to as an undercut.
  • the WO2013 / 037711A1 Therefore proposes the development of WO00 / 26450A1 a special geometry in the course of the tooth face, in particular in the undercut before.
  • the object is achieved by a clothing wire according to claim 1.
  • the clothing wire according to the invention is particularly suitable for a pickup set, a worker's set or a transmission set.
  • the clothing wire In its longitudinal direction, the clothing wire has successive teeth which are spaced apart in the longitudinal direction at a pitch.
  • the pitch of the pitch can be advantageously measured from tooth tip to tooth tip.
  • the teeth are bounded longitudinally by a first side of a tooth face and by a second side by a tooth back.
  • the toothbrace and the tooth backs of successive teeth viewed in the height direction of the clothing wire downward, merge into one another in a tooth root.
  • the tooth face and the back of the tooth form the tooth tip at their point of intersection.
  • the tooth depth is determined by the greatest distance in the height direction of the clothing wire from the tooth tip to the tooth base.
  • the clothing wire according to the invention is characterized in that a distance, measured perpendicular to a tangent to a turning point between tooth back and tooth base, from this turning point to the opposite tooth face is greater than a quarter of the pitch. It is also advantageous if the distance is greater than the quotient of the division and 3.5 or greater than the quotient of the division and 3. As a result of the increased distance in the lower region of the tooth cutout between successive teeth, fibers in this lower region of the tooth cutout jam less frequently and the clothing sets less frequently.
  • the inflection point in the transition from the tooth back to the tooth base can be clearly determined as follows.
  • the back of the teeth, apart from local form elements such as elevations or depressions, has a tangent essentially at every point, which encloses an acute angle to the longitudinal direction.
  • the clothing wire according to the invention preferably has a pitch smaller than 3.2 mm. Particularly advantageous is a pitch smaller than 2.6 mm.
  • the clothing wire may have an angle to the longitudinal direction between 45 ° and 65 ° in the tooth face.
  • the clothing wire may have an angle to the longitudinal direction between 50 ° and 60 ° in the tooth face.
  • This angle range can be present at the tooth face in a particularly advantageous manner below a possibly present steeper tip section and below an optionally present undercut.
  • the tooth face can run straight and have a single angle value from this area. But it is also possible that the tooth face is bent and assumes different angles from this angular range in the course of the tooth face.
  • the clothing wire may be configured in the form of a circular arc in the base of the tooth.
  • a rounded tooth base is particularly advantageous, because then no edges or corners occur at which fibers easily jam.
  • the rounded tooth base merges tangentially and without kinking into the adjacent tooth back and the adjacent tooth face.
  • the radius in the tooth root of the clothing wire can be greater than one-eighth of the pitch.
  • a radius can be greater than 0.4mm.
  • the clothing wire may have a tooth back having two or more straight sections.
  • a straight portion adjacent to the tooth root may have a larger angle to the longitudinal direction of the clothing wire than another straight portion of the tooth back.
  • the straight portion adjoining the tooth base preferably transitions tangentially into the tooth base.
  • the adjoining the tooth base, straight portion of the tooth back of the clothing wire extends preferably up to a maximum of 50% of the tooth depth in the direction of the tip upwards. This ensures on the one hand, that the teeth can have the required distance in the tooth base. On the other hand, the teeth can still be performed with the required small pitch and yet with a small angle to the longitudinal direction in the tooth face or with an undercut.
  • the clothing wire may have an undercut in the tooth face.
  • the undercut is more inclined to the longitudinal direction than the subsequent lower part of the tooth face. In other words, the undercut has a smaller angle Lengthwise as the subsequent part of the tooth face.
  • the angle of the undercut is preferably between 0 ° and 40 ° to the longitudinal direction.
  • the angle of the undercut can be between 5 ° and 35 ° to the longitudinal direction.
  • FIG. 1 shows a clothing wire (1) according to the prior art.
  • a section of a clothing wire comprising 4 teeth (2).
  • the clothing wire (1) is shown in a view perpendicular to the longitudinal direction (L) and perpendicular to the height direction (H).
  • the division (3) and the tooth depth (7) are shown with arrows.
  • the pitch (3) is measured in the longitudinal direction (L), the tooth depth (7) in the height direction (H).
  • the auxiliary lines for the arrow representing the division (3) are applied to two tooth tips (8) of successive teeth (2).
  • the arrow for representing the tooth depth (7) is shown between the lowest point of a tooth base (6) and on an auxiliary line, which in turn is applied to a tooth tip (8).
  • the illustrated clothing wire (1) has an undercut (11).
  • the tooth back (5) and the tooth face (4) run straight below the undercut (11). Above the undercut (11) in the direction of the tip, the tooth back (5) and the tooth face (4) have a deviating area.
  • the clothing wire according to the invention in FIG. 2 largely corresponds to the clothing wire FIG. 1 , In Zahn ground (6), the clothing wire (1) has a distance (9) which is greater than a quarter of the pitch (3).
  • the distance (9) is measured from a turning point (10) at the transition from the tooth base (6) to the back of the tooth (5) to the opposite tooth face (4).
  • FIG. 3 a section from FIG. 2 shown enlarged.
  • FIG. 3 shows two teeth (2) of a Garniturdrahts (1) according to the invention.
  • the foot section is not completely displayed, but at the bottom of the FIG. 3 cut off.
  • the distance (9), starting from the Turning point (10) is measured at an angle of 90 ° to the tangent at the inflection point (10).
  • the tooth base (6) extends in a circular arc and merges tangentially into the tooth back (5). Starting from the turning point (10) upwards the tooth back (5) runs straight.
  • the angle of the tangent at the point of inflection (10) at which the circular arc of the tooth base (6) merges tangentially into the adjacent straight line of the tooth back (5) does not change in the entire first straight section of the tooth back (5).
  • the inflection point (10) is defined according to its definition clearly at the location shown.
  • the straight region adjoining the tooth base (6) has a larger angle (12) to the longitudinal direction (L) than the angle (13) of a straight region arranged above.
  • the angle (14) of the tooth face (4) is shown for the sake of completeness.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP17197463.7A 2017-10-20 2017-10-20 Fil de garniture Active EP3473754B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP17197463.7A EP3473754B1 (fr) 2017-10-20 2017-10-20 Fil de garniture
BR102018014143-0A BR102018014143B1 (pt) 2017-10-20 2018-07-11 Arame de carda
JP2018179205A JP2019077978A (ja) 2017-10-20 2018-09-25 カードワイヤ
KR1020180123674A KR102652089B1 (ko) 2017-10-20 2018-10-17 카드 와이어
CN201811222115.XA CN109695075B (zh) 2017-10-20 2018-10-19 梳针
US16/165,338 US10988863B2 (en) 2017-10-20 2018-10-19 Card wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17197463.7A EP3473754B1 (fr) 2017-10-20 2017-10-20 Fil de garniture

Publications (2)

Publication Number Publication Date
EP3473754A1 true EP3473754A1 (fr) 2019-04-24
EP3473754B1 EP3473754B1 (fr) 2021-05-19

Family

ID=60153161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17197463.7A Active EP3473754B1 (fr) 2017-10-20 2017-10-20 Fil de garniture

Country Status (5)

Country Link
US (1) US10988863B2 (fr)
EP (1) EP3473754B1 (fr)
JP (1) JP2019077978A (fr)
KR (1) KR102652089B1 (fr)
CN (1) CN109695075B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110938899B (zh) * 2019-12-16 2024-07-05 光山白鲨针布有限公司 高速高产道夫金属针布

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19509743A1 (de) * 1995-03-17 1996-09-19 Fritz Stahlecker Garnitur für eine Auflösewalze
WO2000026450A1 (fr) 1998-10-30 2000-05-11 Commonwealth Scientific And Industrial Research Organisation Fil pour garniture de cardes, notamment pour dispositifs de levee des bobines et cylindres travailleurs
WO2011138322A1 (fr) 2010-05-04 2011-11-10 Nv Bekaert Sa Profil de fil métallique pour garniture de carde
EP2489766A2 (fr) * 2011-02-18 2012-08-22 Graf + Cie AG Garniture tout acier
WO2013037711A1 (fr) 2011-09-15 2013-03-21 Nv Bekaert Sa Fil de carde ayant des dents à forme améliorée

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES288973Y (es) * 1984-10-11 1987-02-01 Sole Leris Roger Guarnicion rigida para chapones para cardas perfeccionada.
US5755012A (en) * 1996-03-05 1998-05-26 Hollingsworth; John D. Metallic clothing for carding segments and flats
ATE246272T1 (de) * 1999-11-10 2003-08-15 Graf & Co Ag Sägezahndraht
EP2808429B1 (fr) * 2013-05-27 2017-06-28 Groz-Beckert KG Fil de carde pour cylindre de cardage
CN103498215A (zh) * 2013-09-29 2014-01-08 无锡众望四维科技有限公司 粗梳毛机的金属针布
CN105917040B (zh) * 2014-01-23 2018-04-10 格罗兹-贝克特公司 梳针和覆盖有该梳针的凝棉器辊及其操作方法
DE102014107079B3 (de) * 2014-04-07 2015-06-18 TRüTZSCHLER GMBH & CO. KG Ganzstahlgarnitur für eine Karde

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19509743A1 (de) * 1995-03-17 1996-09-19 Fritz Stahlecker Garnitur für eine Auflösewalze
WO2000026450A1 (fr) 1998-10-30 2000-05-11 Commonwealth Scientific And Industrial Research Organisation Fil pour garniture de cardes, notamment pour dispositifs de levee des bobines et cylindres travailleurs
WO2011138322A1 (fr) 2010-05-04 2011-11-10 Nv Bekaert Sa Profil de fil métallique pour garniture de carde
EP2489766A2 (fr) * 2011-02-18 2012-08-22 Graf + Cie AG Garniture tout acier
WO2013037711A1 (fr) 2011-09-15 2013-03-21 Nv Bekaert Sa Fil de carde ayant des dents à forme améliorée

Also Published As

Publication number Publication date
BR102018014143A2 (pt) 2019-05-07
US10988863B2 (en) 2021-04-27
KR20190044514A (ko) 2019-04-30
KR102652089B1 (ko) 2024-03-29
CN109695075B (zh) 2023-02-17
JP2019077978A (ja) 2019-05-23
EP3473754B1 (fr) 2021-05-19
CN109695075A (zh) 2019-04-30
US20190119832A1 (en) 2019-04-25

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