EP0735168A2 - Machine de peignage - Google Patents

Machine de peignage Download PDF

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Publication number
EP0735168A2
EP0735168A2 EP96102427A EP96102427A EP0735168A2 EP 0735168 A2 EP0735168 A2 EP 0735168A2 EP 96102427 A EP96102427 A EP 96102427A EP 96102427 A EP96102427 A EP 96102427A EP 0735168 A2 EP0735168 A2 EP 0735168A2
Authority
EP
European Patent Office
Prior art keywords
comb
tear
rollers
end position
during
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.)
Ceased
Application number
EP96102427A
Other languages
German (de)
English (en)
Other versions
EP0735168A3 (fr
Inventor
Gerhard Dr. Mandl
Hans-Peter Meile
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.)
John D Hollingsworth on Wheels Inc
Original Assignee
Hollingsworth Saco Lowell Inc
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 Saco Lowell Inc filed Critical Hollingsworth Saco Lowell Inc
Publication of EP0735168A2 publication Critical patent/EP0735168A2/fr
Publication of EP0735168A3 publication Critical patent/EP0735168A3/fr
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/14—Drawing-off and delivery apparatus
    • D01G19/16—Nipper mechanisms

Definitions

  • the present invention relates to a combing machine according to the preamble of claim 1.
  • the circular comb with its circular segment-shaped needling (also called cutlery or needle segment) is rotated once around its axis. For example, if the comber runs at 300 combs per minute, the circular comb also rotates 300 times per minute and combs the fiber beard hanging out of the pliers with its needle segment once per revolution. In the rear end position (that is, when the pliers are at a great distance from the tear-off rollers), the needling of the round comb is closest to the pliers.
  • the object of the present invention is therefore to increase the combing effect and to make the combing process more uniform.
  • the needle segment remains uniformly clean and there are no interruptions in operation for comb cleaning, which not only achieves higher machine performance but also a uniform, always maximum quality of the comb pull.
  • a pliers head 3 with a clamping bracket 8 is pivotally attached to a pliers shaft 2, to which a circular comb 4 with a needle segment 5 is assigned.
  • the pliers head 3 interacts with tear-off rollers 6.
  • the cotton 7 to be combed is fed continuously to the pliers head 3 by a winding roller, not shown, which rests on a continuously driven pair of shafts, also not shown.
  • the preceding end of the wadding is connected to the crest pull 11 held between the tear-off rollers 6 and moved backwards with the vocational step (called soldering), then removed and separated from the trailing wadding.
  • the needle segment 5 is combed by the combs combed out of the fiber beard 10 by a counter-rotating brush roller 12 rotating at a higher peripheral speed.
  • the pliers head 3 has lower pliers 13 which are articulated on the pliers shaft 2 and on which upper pliers 14 are pivotably mounted.
  • the lower jaw 13 consists essentially of a lower jaw arm 15 and a lower jaw plate 16 fastened thereon.
  • the upper jaw 14 is pivotably mounted on lateral pivot pins 17 of the lower jaw arm 15.
  • a feed roller 18 for the cotton 7 which converts the continuous cotton feed into a discontinuous one.
  • the upper pliers 14 basically consist of an upper pliers arm 20 articulated on the pivot pin 17 and an upper pliers plate 21 (also called a knife) attached to it, as well as a lever 9 firmly connected to it. Furthermore, the upper pliers 14 are provided with an adjustable insertion comb 19, which fibers of the Fibrous beard 10, which does not have the length of the tear-off distance (Ecartement), retains from being drawn into the tear-off rollers 6.
  • the upper pliers plate 21 can be pivoted in the rhythm of movement of the pliers head 3 against the lower pliers plate 16 or away from it, in such a way that the pliers head 3 is closed in the rear end position (shown in FIG.
  • the tear-off rollers 6 are formed by two pairs of tear-off rollers 6 ′, 6 ′′, each of which has a lower, driven 23 and an upper tear-off roller 24.
  • the tear-off rollers 6 can also be formed by only one pair of tear-off rollers 6 ′′.
  • Their periodic forward and backward control causes (as already mentioned) a removal of the ridge 11 in the direction of arrow 25 and in the return a connection with the combed fiber beard 10 supplied by the pliers head.
  • a guide plate 26 running parallel to the tangent, which leaves a gap 27 free and, with a second guide plate 28 which is brought tangentially to the tear-off roller 23, forms a flow channel 29 for an air flow entering through the gap 27.
  • the presence of the guide plate 26 is sufficient to shield the tear-off rollers 6 against the air turbulence generated by the circular comb 4 due to its increased speed.
  • the sector angle ⁇ of the needle segment 5 and the radius of the circular comb 4 are dimensioned such that all the needles of the needle segment 5 comb through the fiber beard 10 once in the region of the rear end position (shown in FIG. 1) of the pliers head 3.
  • the combing machine is driven by a motor 31, which drives a clock shaft 33 via a reduction gear 32. With each revolution of the clock shaft 33, the machine executes a backlash.
  • a crank pin 34 rotating with the clock shaft 33 is operatively connected by a crank rod 35 to a pivot pin 36 on a lever 36 which is fixedly connected to the pliers shaft 2, so that the pliers head 3 once during one revolution of the clock shaft 33 from the rear into the front end position and is pivoted back.
  • the lower tear-off rollers 23 are also driven synchronously by the clock shaft 33 via a mit step mechanism 37 known per se, so that their forward and reverse travel takes place during a comb play as in the known combing machines.
  • the circular comb 4 does not make one, but two or more complete rotations during one revolution of the clock shaft 33.
  • a pinion 38 is seated on the clock shaft 33, which meshes with a pinion 39 which drives the circular comb 4.
  • the transmission ratio from the clock shaft 33 to the circular comb 4 is 1: N, where N is an integer, but at least two.
  • the pinion 39 drives a pinion 40 further, the transmission ratio between these pinions 39, 40 being selected such that the peripheral speed of the brush roller 12 is greater than that of the counter-rotating rotary comb 4.
  • the circular comb 4 rotates twice during one revolution of the clock shaft 33, that is, during a comb play.
  • the method of operation is described below with reference to FIG. 2.
  • a machine cycle or a revolution of the clock shaft 33 is divided into twenty steps - hereinafter referred to as indexes 1 to 20.
  • the pliers head 3 pivots about the pliers axis 2 from the rear end position (in which it comes very close to the circumferential circle of the circular comb 4) into the front end position and back, the leading edge of the lower pliers plate 16 moving on an arc 41.
  • the pliers head 3 moves away from the circular comb 4 and during the return (indexes 12 to 20) it approaches it again.
  • phase of the comb play begins during which the needle segment 5 engages and ends (after the movement reversal of the pliers head 31) with the index 3 1 / 2 of the subsequent comb game. Since the circular comb 4 makes two revolutions during a comb play, the needle segment 5 becomes again under the pliers head 3 during a second phase (index 8 1/2 to 13 1/2), during which the pliers head 3 assumes a position further away from the circular comb 4 moves without combing. The soldering of the fiber beard 10 to the comb pull 11 also falls within this time span.
  • the length of the needle segment 5 effective for the given circular comb diameter in the time window limited by the indices 18 1/2 to 3 1/2 can be doubled and the increase sought according to the invention and achieve a more even combing effect. Since the limits of this time window are essentially fixed, the active circumferential length of the needle segment 5 can be extended in the same ratio with an integral multiplication of the rotational speed of the circular comb 4 (and with a constant radius) without the circular comb 4 with the pliers head 3, the tear-off rollers 23 or the baffle plate 26 would collide.
  • the circular comb 4 rotating at increased speed generates air turbulence in the region of the tear-off rollers 6, which can impair faultless soldering of the fiber beard 10 at the trailing end of the comb.
  • the air flow in the gap 27 is optionally changed by means of the throttle 30 until the fiber beard and the end of the comb meet in a precisely defined position.
  • the fiber beard is combed by at least twice the number of comb elements during a comb game. More short fibers, impurities and nits are excreted.
  • the needle segment remains clean since it is cleaned by the brush roller at least twice per comb play.
  • the first rows of needles can be inserted less densely without impairing the combing effect. As a result, when the circular comb is running, there is no pressure wave in front of the needle segment which pushes the fiber beard away and lifts it over the needle segment, which would impair or make it impossible to comb it.
  • the pliers head 3 can be displaceable back and forth between its front and rear end position instead of on an arcuate or on another curved or rectilinear path.
  • the invention can also be applied to combing machines as described, for example, in GB-PS 1 207 441.
  • the pliers head 3 can only be moved up and down in the direction of the double arrow 42 during a comb play.
  • the relative movement between the pliers head 3 and the tear-off rollers 6 is exclusively the responsibility of the tear-off rollers 6, which for this purpose are mounted on a rocker 44 which can be pivoted about an axis 43. This is moved once by a drive, not shown, during a comb game from its rear end position to the front and back, as indicated by two arrows.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP96102427A 1995-03-27 1996-02-17 Machine de peignage Ceased EP0735168A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US410892 1995-03-27
US08/410,892 US5517725A (en) 1995-03-27 1995-03-27 Comber machine

Publications (2)

Publication Number Publication Date
EP0735168A2 true EP0735168A2 (fr) 1996-10-02
EP0735168A3 EP0735168A3 (fr) 1997-03-12

Family

ID=23626666

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96102427A Ceased EP0735168A3 (fr) 1995-03-27 1996-02-17 Machine de peignage

Country Status (2)

Country Link
US (1) US5517725A (fr)
EP (1) EP0735168A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102292479A (zh) * 2009-01-26 2011-12-21 里特机械公司 用于精梳机的分离罗拉的驱动装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19951126A1 (de) * 1999-10-23 2001-04-26 Staedtler & Uhl Fixkamm
IT1317208B1 (it) * 2000-04-11 2003-05-27 Vouk S P A Officine Meccanotes Gruppo di comando per l'azionamento a passo del pellegrino deicilindri strappatori in una macchina pettinatrice
DE01440122T1 (de) * 2001-04-30 2005-07-14 N. Schlumberger & Cie, S.A. Verfahren zum geradlinigen Kämmen und geradlinige Kamm-Maschine zum Durchführen des Verfahrens

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583281A (en) * 1946-10-09 1952-01-22 Rieter Joh Jacob & Cie Ag Comb-cylinder clearing arrangement in combing machines
EP0329615A2 (fr) * 1988-02-13 1989-08-23 Howa Machinery, Ltd. Cylindre de peignage utilisé pour une machine à peigner
EP0370340A1 (fr) * 1988-11-23 1990-05-30 Maschinenfabrik Rieter Ag Machine de tri de fibres selon leur longueur (machine de peignage)
JPH0544116A (ja) * 1991-07-30 1993-02-23 Hara Shiyokuki Seisakusho:Kk コ−マ機における吸引気流調整装置
EP0573121A1 (fr) * 1992-06-03 1993-12-08 FRATELLI MARZOLI & C. S.p.A. Procédé et appareil pour commander une machine de peignage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1510266B1 (de) * 1962-05-07 1970-10-15 Howa Machinery Ltd Baumwollkaemmaschine
US3479699A (en) * 1966-10-10 1969-11-25 Maremont Corp Combers
FR91777E (fr) * 1967-01-09 1968-08-09 Schlumberger Cie N Perfectionnements aux peigneuses rectilignes
US3600758A (en) * 1969-05-02 1971-08-24 Maremont Corp Textile comber nipper drive
US3604063A (en) * 1969-05-02 1971-09-14 Maremont Corp Textile comber detaching roll drive
JPS5237834A (en) * 1975-08-14 1977-03-24 Toyoda Automatic Loom Works Drive apparatus for knipper shaft in comber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583281A (en) * 1946-10-09 1952-01-22 Rieter Joh Jacob & Cie Ag Comb-cylinder clearing arrangement in combing machines
EP0329615A2 (fr) * 1988-02-13 1989-08-23 Howa Machinery, Ltd. Cylindre de peignage utilisé pour une machine à peigner
EP0370340A1 (fr) * 1988-11-23 1990-05-30 Maschinenfabrik Rieter Ag Machine de tri de fibres selon leur longueur (machine de peignage)
JPH0544116A (ja) * 1991-07-30 1993-02-23 Hara Shiyokuki Seisakusho:Kk コ−マ機における吸引気流調整装置
EP0573121A1 (fr) * 1992-06-03 1993-12-08 FRATELLI MARZOLI & C. S.p.A. Procédé et appareil pour commander une machine de peignage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 17, no. 349 (C-1078), 2.Juli 1993 & JP-A-05 044116 (HARA SHIYOKUKI SEISAKUSHO KK), 23.Februar 1993, *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102292479A (zh) * 2009-01-26 2011-12-21 里特机械公司 用于精梳机的分离罗拉的驱动装置
CN102292479B (zh) * 2009-01-26 2014-01-29 里特机械公司 用于精梳机的分离罗拉的驱动装置

Also Published As

Publication number Publication date
EP0735168A3 (fr) 1997-03-12
US5517725A (en) 1996-05-21

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