EP2718488B1 - Kämmmaschine mit einem abschirmelement - Google Patents

Kämmmaschine mit einem abschirmelement Download PDF

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Publication number
EP2718488B1
EP2718488B1 EP12727225.0A EP12727225A EP2718488B1 EP 2718488 B1 EP2718488 B1 EP 2718488B1 EP 12727225 A EP12727225 A EP 12727225A EP 2718488 B1 EP2718488 B1 EP 2718488B1
Authority
EP
European Patent Office
Prior art keywords
shielding element
combing machine
nipper
roller
nipper unit
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.)
Not-in-force
Application number
EP12727225.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2718488A1 (de
Inventor
Jacques Peulen
Michael Will
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 EP2718488A1 publication Critical patent/EP2718488A1/de
Application granted granted Critical
Publication of EP2718488B1 publication Critical patent/EP2718488B1/de
Not-in-force 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
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/14—Drawing-off and delivery apparatus
    • 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
    • D01G19/08—Feeding apparatus
    • 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
    • D01G19/22—Arrangements for removing, or disposing of, noil or waste
    • 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
    • D01G19/24—Framework; Casings; Coverings
    • 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
    • D01G19/28—Air draught or like pneumatic arrangements

Definitions

  • the invention relates to a combing machine with a reciprocally pivotable nipper unit with a lower nipper plate and an upper, movably mounted pliers plate and a fixed comb, and one, below the nipper unit rotatably mounted within a housing combing cylinder, wherein the housing with a vacuum source in combination is and has at least one opening which communicates with the space between the nipper unit and a subsequent, first pair of rollers, which is followed by a second pair of rollers and above the upper pressure rollers of the first and second roller pair, a rotatable cleaning element is mounted,
  • the tuft protruding from the closed tongs is grasped and combed out by a combing segment of a circular comb.
  • the pliers are in a rear position. Subsequently, the pliers are pivoted into a front dead center position, in which they have the smallest distance to a subsequent Abreisswalzencru.
  • the pliers are opened and then brought out of the pliers protruding end of the combed tuft with one end of an already formed fiber fleece in coverage and soldered. In this soldering process, it is necessary that the end of the tuft comes exactly and in the correct position on the end of the fibrous web to rest.
  • the volume of air drawn off by means of the vacuum source is returned to the housing through openings in the housing, which are inter alia also in the area of the pliers and the tear-off rollers, from the surroundings of the comber.
  • the extraction of the air volume by the vacuum source is continuous, i. even during the previously described soldering process.
  • This object is achieved by proposing that in the area between the nipper unit (or the fixed to the nipper unit comb) and the cleaning element, a shielding is attached, which extends over the length of the cleaning element, wherein the lower longitudinal edge of the after above extending shielding element is arranged at a distance between 0.1 mm and 7 mm to the peripheral surface of the pressure roller of the first pair of rollers.
  • the air flow generated by the vacuum source can be better controlled.
  • the partitioning of the cleaning element, which rotates above the respective pressure roller of the first and second roller pair, via the proposed shielding element also air flows with respect to the opening between the first pair of rollers and the pliers can be retained, which are generated by the cleaning element.
  • a smaller passage opening is formed between the shielding element and the fixed comb. That the volume of air supplied is reduced in this area.
  • the distance between the peripheral surface of the pressure roller and the lower longitudinal edge of the shielding element is preferably between 1 mm and 5 mm.
  • This distance is selected, the better the sealing off of the cleaning element with respect to the passage opening between the pliers and the subsequent first pair of rollers (also called tear-off rollers).
  • this distance must not be too small, so that it does not come to the formation of fiber on the pressure roller winding and damage is thus excluded.
  • the attachment of the shielding on a pivotally mounted frame in the machine frame which also carries the pressure rollers of the first and second roller pair simultaneously.
  • the frame, with the pressure rollers and the shielding as a structural unit pre-assemble.
  • the shielding can be swung out of its operating position for cleaning purposes.
  • the shielding element is provided with a cover extending in its longitudinal direction and protruding in the direction of the ridge of the nipper unit, the free end of the cover being spaced from the ridge when the nipper unit is in a forward dead center position.
  • front dead center means the position of the forceps, in which it has the smallest distance to the first pair of rollers and at this point the reversal of the pivotal movement of the forceps in the direction of a rear dead center.
  • the additional cover acts as a chicane for the intake air volume.
  • This baffle effect can be further increased by further proposing that the fixed on the pliers Fixkamm is provided with a, extending in its longitudinal direction cover whose free end points in the direction of the shielding and - seen in the vertical direction - above or below the cover the shielding element extends and the sum of the heights of the covers is greater than the distance between the shielding element and the fixed comb in the region of the covers, when the nipper unit is in its front dead center, ie the cover of the shielding element and the cover of the fixed comb act together as a labyrinth, whereby the air velocity of the supplied volume of air in this area can be further reduced.
  • FIG. 1 shows a known nipper unit 1 (called “pliers” for short), which is pivotally mounted on the crank arms 2, 3.
  • two crank arms 2 are each mounted laterally of a circular comb 4 on the circular comb shaft 5 pivotally.
  • the circular comb 4 has a comb segment 7 on a part of its circumference.
  • the other end of the pivot arms 2 is rotatably mounted on axes 10 on a clamp frame 8.
  • the rear pivot arm 3 (there may also be two) is rotatably mounted on a forceps shaft, not shown.
  • the opposite free end of the pivot arm 3 is rotatably connected via a shaft 9 with the clamp frame 8.
  • combing heads are arranged side by side on a combing machine, each combing head having a pair of pliers 1.
  • the attachment of a shielding element according to the invention is shown and described only on a single combing head.
  • the forceps 1 consists essentially of a fixed to the forceps frame 8 lower pliers plate 12 and an upper pliers plate 14 (sometimes called also pliers knife), which is attached to two pivot arms 15, 15 '. These pivoting arms are pivotally mounted on the tong frame 8 via a pivot axis 16.
  • the pivot arms 15, 15 ' are each connected to a spring leg 18, which in turn are mounted on a driven eccentric 21 via an axis 20. Seen in the material flow direction F of the fiber material W to be processed, a first pair of rollers 24 is provided behind the forceps 1.
  • This pair of rollers 24 is also referred to in practice as "Abreisswalzencru or Abreisszylindercru" and consists of a lower tear-off roller 24a, which cooperates with a tear-off pressure roller 24b to form a Abreissklemmline K.
  • the first pair of rollers 24 is followed by a second pair of rollers 25, wherein the produced solder joint is still solidified.
  • a cleaning roller 34 (a brush roller in the example shown) is freely rotatably mounted above these rollers.
  • the brush roller 34 lies with its own weight on the peripheral surfaces U1, U2 of the pressure rollers 24b, 25b and is driven by friction of pressure rollers.
  • the brush roller 34 is mounted on its axis 35 in a slot 38 parallel to the axis 35 slidably and freely rotatably.
  • the slots 38 (only one shown) are mounted at both ends of the brush roller 35 in a frame 40 which is pivotally mounted about the axis 41 in the machine frame MS of the combing machine.
  • the two pressure rollers 24b, 25b are freely rotatably mounted on the frame 40 via their axes A1, A2 and can be pivoted together with the shielding element 30 into an inoperative position via frames, like the dashed line in FIG Fig.1 is indicated.
  • the brush roller is lifted out of the slots 38.
  • the pressure rollers 24b, 25b are driven by friction from the lower rollers 24a, 25a connected to a drive (not shown). The drive generates, as is well known, a
  • FIG. 1 Schematically indicated is a fixed comb 11, which is fastened to the forceps frame 8 by means not shown and in which the tuft FB of the fiber material W (eg a cotton or fiber ribbons) is drawn in, if its end E in the direction of the clamping point K of the following first pair of rollers 24 is transported over the movement of the end E1 of an already present non-woven fabric V.
  • the tuft FB of the fiber material W eg a cotton or fiber ribbons
  • a feed roller 27 is rotatably mounted, which is connected via a drive not shown in detail and performs a discontinuous rotational movement in order to transport the supplied cotton wool W in sections.
  • the feed cylinder 27 has a shaft 28, via which it is rotatably mounted on both ends via bearings not shown in detail in bearing receptacles of the nipper frame.
  • the drive of the feed roller 27 can be done via a known jack drive, which is controlled by the movement of the upper tong plate 14. However, it is also possible to make the drive of the feed roller 27 regardless of the movement of the upper tong plate, where he z. B. can be done via a cam, as for example in the GB-PS 933,946 is shown.
  • the drive of the feed roller 27 can be done in the forward or reverse of the pliers or pro rata in the forward and reverse.
  • the feed roller 27 conveys the fibrous material W discontinuously in the direction of the tong lip 30 of the lower tong plate 12.
  • the combing takes place with the clamp 1 closed when it is in a rear position (not shown).
  • the end of the fiber material projecting from the tongs also called fiber tuft FB
  • the clamping force for holding the fiber W during the combing process is generated by the schematically shown strut 18, which is pivotally mounted above the axis 20 and the eccentric 21 on the machine frame MS.
  • the pliers 1 is in a foremost position ( Fig.1 - Fig.3 ) pivoted while open at the same time.
  • the combed end of the fiber tuft FB is placed on the end of a previously partially transported back fiber web V and then transferred by the transport movement of the fiber web to the nip K of the first pair of rollers 24.
  • the tuft FB enters the area of the needles of a fixed comb 11 which is fixed to the forceps frame 8.
  • the fibers of the fiber tuft FB which arrive at the terminal point K are pulled out of the tuft and soldered to the end of the web V.
  • the fiber tuft is pulled through the fixed comb 11, the nonwoven fabric is removed via the second subsequent roller pair 25 on a nonwoven table VT and then combined via known devices into a sliver and further transported.
  • a brush roller 44 is rotatably mounted in a housing 50, in which the circular comb 4 is located.
  • the brush roller 44 is connected to a drive, not shown, and has bristles 45, with which it engages the clothing of Kämmsegmentes 7 and removes the combed out components located therein.
  • a vacuum source P produced Saugluftströmung SA are fed through the opening 51 in the lower region of the housing 50, the combed components and the removed by the brush roller 44 from the combing segment 7 parts of a disposal point not shown in detail.
  • the air volume removed by the suction air flow is fed back to the housing 50 through the openings above the housing from the ambient air of the comber. Such an opening is z. B.
  • R between the pliers 1, or, attached to the pliers Fixkamm 11 and the subsequent first pair of rollers 24 available.
  • Another opening R1 is provided in the rear region of the pliers 1. Pointing upward to the pliers 1, an opening R2 is provided in the housing 50.
  • a shielding element in the form of a plate 30 is attached to the pivotable frame 40.
  • the plate 30 may also be adjustably fastened.
  • the lower longitudinal side 31 of the plate 30 extends at a small distance a (between 0.1 and 7 mm) to the peripheral surface U1 of the pressure roller 24b of the first pair of rollers 24.
  • Fig.2 and Fig.3 are mounted on the plate 30, an additional shield 55 which extends in the longitudinal direction of the plate 30 and projects in the direction of the fixed comb 11.
  • the term "longitudinal direction” in this case means “transverse to the conveying direction F of the fiber material”.
  • the term "fixed comb” includes the fixed comb holder and the combing set attached thereto.
  • a further shield 56 is attached to the fixed comb 11, which points in the direction of the plate 30. This shield 56 extends in the longitudinal direction of the fixed comb 11 and at a parallel distance from the shield 55. Also in this case the longitudinal direction of the fixed comb 11 runs transversely to the conveying direction of the fiber material W.
  • the shield 55 at a distance s to the top comb 11, while the shield 56 has a distance u to the plate 30.
  • the shields 55, 56 overlap, so that a labyrinth forms, through which the sucked air is resisted, as shown by the arrows.
  • the air velocity in the soldering area can be reduced, thereby preventing negative influences on the soldering process.
  • the vertical coverage of the covers 55, 56 to form the labyrinth takes place during the forward movement of the forceps 1 of a in Figure 3 dashed line position in the forwardmost position shown by solid lines (dead center position). Ie. as soon as the soldering process begins, the air flow is already deflected between the covers 55, 56.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP12727225.0A 2011-06-06 2012-05-25 Kämmmaschine mit einem abschirmelement Not-in-force EP2718488B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00955/11A CH705072A1 (de) 2011-06-06 2011-06-06 Kämmmaschine mit einem Abschirmelement.
PCT/CH2012/000119 WO2012167390A1 (de) 2011-06-06 2012-05-25 Kämmmaschine mit einem abschirmelement

Publications (2)

Publication Number Publication Date
EP2718488A1 EP2718488A1 (de) 2014-04-16
EP2718488B1 true EP2718488B1 (de) 2015-07-15

Family

ID=46275605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12727225.0A Not-in-force EP2718488B1 (de) 2011-06-06 2012-05-25 Kämmmaschine mit einem abschirmelement

Country Status (5)

Country Link
EP (1) EP2718488B1 (ja)
JP (1) JP6016902B2 (ja)
CN (1) CN103597132B (ja)
CH (1) CH705072A1 (ja)
WO (1) WO2012167390A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH708416A2 (de) * 2013-08-06 2015-02-13 Rieter Ag Maschf Reinigungsvorrichtung für einen Rundkamm einer Kämmmaschine.
CH710292A2 (de) * 2014-10-28 2016-04-29 Rieter Ag Maschf Reinigungsvorrichtung eines Rundkammes einer Kämmmaschine.
CN107574512B (zh) * 2017-09-18 2019-08-06 魏桥纺织股份有限公司 一种a201e精梳机梳理工艺
CN115094547B (zh) * 2022-05-25 2023-07-21 菏泽市七兄妹纺织科技有限公司 往复移动式梳棉机用盖板清理检测设备

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE231797C (ja)
CH12856A (fr) * 1896-09-11 1897-03-15 Alsacienne Constr Meca Nouvelle peigneuse
CH398391A (de) * 1960-05-13 1966-03-15 Whitin Machine Works Verfahren und Vorrichtung zum Richten von Fasern, insbesondere an Kämmaschinen
GB933946A (en) 1961-02-20 1963-08-14 Tmm Research Ltd Improvements in textile combing machines
JPS5943390Y2 (ja) * 1980-06-24 1984-12-22 株式会社豊田自動織機製作所 コ−マのサクシヨンボツクス
JPS6030763B2 (ja) * 1980-09-19 1985-07-18 株式会社豊田自動織機製作所 コ−マにおけるフリ−ス姿勢制御装置
JPS6025768U (ja) * 1983-07-28 1985-02-21 東久株式会社 コ−マ機の吸気制御装置
DD233280A3 (de) * 1983-08-05 1986-02-26 Scholz Hans Joachim Vorrichtung zum reinigen einer abreisszone an flachkaemmaschinen
DE3587128D1 (de) * 1984-05-07 1993-04-08 Rieter Ag Maschf Reinigungsvorrichtung fuer die druckwalzen einer kaemmmaschine.
CH680138A5 (ja) * 1989-11-29 1992-06-30 Rieter Ag Maschf
DE4342561C2 (de) * 1993-12-14 1996-05-15 Staedtler & Uhl Speisekammanordnung
DE19523949C2 (de) * 1994-08-10 1998-07-16 Csm Gmbh Vorrichtung zum Kämmen von Baumwolle oder baumwollähnlichen Fasern
DE19504010A1 (de) * 1995-02-09 1996-08-14 Chemnitzer Spinnereimaschinen Kämmaschine mit Zangenapparat, Rundkämmwalze, Fixkamm und Abreißwalzenpaar
IT1283495B1 (it) * 1995-07-26 1998-04-21 Rieter Ag Maschf Dispositivo per il sopporto di profilati staccatori in una pettinatrice, in appoggio su due cilindri strappatori
DE19641160B4 (de) * 1996-10-07 2007-01-04 Maschinenfabrik Rieter Ag Belastungssystem für die Oberwalzen der Abreiß- und Abzugswalzenpaare an Kämmaschinen
AUPO359896A0 (en) * 1996-11-14 1996-12-05 Commonwealth Scientific And Industrial Research Organisation Tuft tail control in textile combing
DE10050974A1 (de) * 2000-10-13 2002-04-18 Rieter Ag Maschf Abstreifer für eine Walze
WO2006012758A1 (de) * 2004-08-05 2006-02-09 Maschinenfabrik Rieter Ag Kämmmaschine.
EP2108720B1 (de) * 2008-04-11 2011-06-15 Maschinenfabrik Rieter Ag Vorrichtung zur Bildung eines gekämmten Faservlieses

Also Published As

Publication number Publication date
JP2014518961A (ja) 2014-08-07
WO2012167390A1 (de) 2012-12-13
CN103597132A (zh) 2014-02-19
JP6016902B2 (ja) 2016-10-26
EP2718488A1 (de) 2014-04-16
CN103597132B (zh) 2016-03-23
CH705072A1 (de) 2012-12-14

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