EP3620558B1 - Auflösewalzengehäuse für eine auflösevorrichtung einer offenend-rotorspinnvorrichtung - Google Patents

Auflösewalzengehäuse für eine auflösevorrichtung einer offenend-rotorspinnvorrichtung Download PDF

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Publication number
EP3620558B1
EP3620558B1 EP19195928.7A EP19195928A EP3620558B1 EP 3620558 B1 EP3620558 B1 EP 3620558B1 EP 19195928 A EP19195928 A EP 19195928A EP 3620558 B1 EP3620558 B1 EP 3620558B1
Authority
EP
European Patent Office
Prior art keywords
opening
roller housing
opening roller
insert
housing
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
EP19195928.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3620558A1 (de
Inventor
Lothar Winzen
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Saurer Spinning Solutions GmbH and Co 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 Saurer Spinning Solutions GmbH and Co KG filed Critical Saurer Spinning Solutions GmbH and Co KG
Publication of EP3620558A1 publication Critical patent/EP3620558A1/de
Application granted granted Critical
Publication of EP3620558B1 publication Critical patent/EP3620558B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
    • D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers

Definitions

  • the present invention relates to an opening roller housing of an opening device of an open-end rotor spinning device with a feed opening for feeding in the sliver, with a discharge opening for removing fibers from the opening roller housing, and with a dirt separation opening in the peripheral wall of the opening roller housing.
  • a sliver is opened up into individual fibers by means of an opening roller device.
  • the fibers are opened by an opening roller which, as a result of, for example, a toothed clothing on its circumference, opens the sliver presented to it into individual fibers by combing it out.
  • This opening process takes place in an opening roller housing in which the opening roller is rotatably arranged and where the fiber sliver is fed to the opening roller with a feed device through a feed opening in the opening roller housing.
  • a dirt separation opening after the feed opening.
  • the dirt for example in the case of natural fibers such as cotton or in the case of cotton/chemical fiber mixtures, dust, neps, remains of husks or the like, is thrown out through this opening and thus leaves the fiber flow heading for the fiber guide channel.
  • Such an opening roller housing is, for example, from GB 2 164 671A known.
  • a discharge opening is arranged after the dirt separation opening, through which the separated fibers are guided out of the opening roller housing.
  • the fibers then pass through a fiber guide channel into the spinning rotor, where they are spun.
  • an opening roller housing which is provided with an insert designed as a lining.
  • an opening roller housing is known in which the peripheral wall of the opening roller housing between the dirt separator and the discharge opening for fibers is formed by an exchangeable insert. This should allow the dirt separation to be adapted to different fibers.
  • This opening roller housing has the disadvantage that although the size of the dirt separation can be varied, the known use is not suitable for making opening roller housings variable, so that they can be adapted to different fiber materials and other spinning conditions.
  • the opening roller housings of the opening devices essentially consist of individual segments which are arranged on a carrier plate.
  • the individual segments placed on the carrier plate thus form the peripheral wall of the opening roller housing.
  • an insert extends into the area of the dirt separation opening and partially forms the peripheral wall of the opening roller housing in the area of the dirt separation opening.
  • the disadvantage here is the complex structural design of the insert. It is also annoying that the outer contour of the insert is aligned with the inner surface of the peripheral wall of the opening roller housing, so that the annular gap between the opening roller and the insert cannot be changed in the radial direction.
  • the present invention is based on the object of specifying an insert for an opening roller housing that is structurally simple and easy to assemble and disassemble, in particular to replace. Furthermore, the insert should be simple and inexpensive to produce. In addition, the exchange should allow adjustment to different spinning conditions.
  • an opening roller housing for an opening device of an open-end rotor spinning device with a feed opening for feeding in a sliver, with a discharge opening for removing fibers from the opening roller housing and with a dirt separation opening in the peripheral wall of the opening roller housing.
  • the opening roller housing includes a replaceable insert.
  • the insert is designed as a hollow-cylindrical ring which has at least one wall area in the cylinder wall with an opening and a trough-shaped fiber inlet into the discharge opening and a wall area with an opening for adjusting the dirt separation opening. Furthermore, the insert adjusts the annular gap between the opening roller housing of an opening roller by the thickness of its cylinder wall.
  • the opening roller housing according to the invention shows an efficient and simple way of enabling adjustment to different spinning conditions.
  • the length and shape of the fiber inlet can be varied in the circumferential direction of the ring. Due to a trough-shaped fiber inlet, the inlet area can take place significantly before the fiber guide channel.
  • the size of the opening of the insert for setting the dirt separation opening can also be varied.
  • the annular gap between the opening roller and the insert can be varied by changing the ring. For this, inserts with different inner diameters of the inner cavity of the insert can be used.
  • the optimal ring can be used for different fibers and applications.
  • the rings allow a different fiber inlet area of the fiber duct.
  • Another advantage is that the dirt separation opening can be more or less closed or opened.
  • the annular gap between the opening roller and the ring can also be varied if necessary.
  • the insert according to the invention is particularly suitable for selecting the appropriate fiber guide channel inlet area for an application by simply changing the ring and/or influencing the dirt separation area in such a way that the user can decide how cleared his yarn should be.
  • the insert according to the invention is preferably designed in one piece. This enables simple manufacture and assembly.
  • the insert forms the delimitation of the feed opening and/or the dirt separation opening on at least three sides.
  • the insert forms the delimitation of the discharge opening.
  • the insert is arranged coaxially to the opening roller.
  • the insert is preferably arranged coaxially with the peripheral wall.
  • the insert preferably has a circumferential step which forms a labyrinth seal with the cover.
  • the insert protects the housing from wear.
  • the insert is preferably protected against wear in order to ensure a long service life.
  • the insert can also be easily and inexpensively replaced if it is worn out.
  • an open-end rotor spinning device 1 is shown schematically. As is known, such open-end rotor spinning devices 1 each have a rotor housing 2 in which the spinning cup of a spinning rotor 3 rotates at high speed.
  • the spinning rotor 3 is, for example Tangential belt 6, which is acted upon by a pressure roller 7, driven by friction.
  • the rotor shaft 4 is axially fixed, for example, by a permanent magnetic axial bearing 18.
  • the rotor housing 2, which is open towards the front, is closed during spinning by a pivotably mounted cover element 8, into which a channel plate is embedded, which is equipped with a circumferential center seal 9 on the Rotor housing 2 is present.
  • the rotor housing 2 is also connected via a corresponding vacuum line 10 to a vacuum source 11 which generates the vacuum required for spinning in the rotor housing 2 .
  • a channel plate adapter 12 is exchangeably arranged, which has the mouth area of a fiber guide channel 14 and a yarn withdrawal nozzle 13 to which a yarn withdrawal roller 15 is connected.
  • a dissolving device 26 is integrated into the cover element 8 , which is mounted so as to be rotatable to a limited extent about a pivot axis 16 .
  • cover element 8 has an opening roller housing 17 and rear bearing brackets 19, 20 for mounting an opening roller 21 and a feed roller 22, respectively.
  • a cover of the opening roller housing 17 is denoted by 30 .
  • the opening roller 21 is driven by a rotating, machine-long tangential belt 24, which acts on a whorl 23 of the opening roller 21, while the feed roller 22 is preferably driven by a machine-long drive shaft 25 or a worm gear (not shown).
  • the opening roller housing 17 In the 2 a preferred embodiment of the opening roller housing 17 according to the invention is shown.
  • the sliver, the opening roller 21 (see 1 ) and the isolated fibers have been omitted to clarify the invention.
  • the opening roller housing 17 and the opening device 26 are shown in section and have a feed opening 27 for the fiber sliver to be opened, as well as a dirt separation opening 28 and a discharge opening 29 for discharging the combed and separated fibers through the fiber guide channel 14 adjoining the opening roller housing 17 to the spinning station (see Fig 1 ).
  • the dirt separation opening 28 is delimited by the housing side wall and by the walls 31.1 and 31.2, which are part of the opening roller housing 17.
  • the dirt separation opening 28 leads via a dirt removal channel 32 to a collection or removal system for the separated dirt particles, not shown here.
  • the feed trough 34 is rotatably mounted about a pin 35 on the housing wall.
  • the feed trough 34 is supported by a spring 36 and pressed against the feed roller 22 . If the condition of the sliver changes, for example its thickness, the feed trough 34 moves downwards.
  • an opening roller 21 rotates in partial direction B about its axis, which is mounted in the opening roller housing 17 .
  • the opening roller 21 carries an opening fitting (not shown) on its circumference, which in the present case has a sawtooth-like design.
  • This opening assembly combs individual fibers from the supplied sliver. Due to the air flow prevailing in the opening roller housing 17, the individual fibers are carried along with the air flow and fed to the spinning unit through the fiber guide channel 14.
  • the dirt separated from the stream of separated fibers generally has a greater mass than the fibers and is therefore thrown out of the dirt separation opening 28 essentially tangentially.
  • an opening 38 for the passage of the shaft of the opening roller 21 can be seen in the chamber 37 of the opening roller housing 17, an opening 38 for the passage of the shaft of the opening roller 21 can be seen.
  • the feed opening 27 for feeding in the sliver, the discharge opening 29 for removing fibers from the opening roller housing 17 and the dirt separation opening 28 are present.
  • the insert 40 according to the invention is arranged in the chamber 37 of the opening roller housing 17 .
  • the insert 40 is coaxial to the opening roller 21 (see 1 ) and to the peripheral wall 39 arranged.
  • the insert 40 is secured by means of fasteners (not shown), e.g. B. screws or dowel pins, attached to the side wall of the opening roller housing 17 interchangeably.
  • Bet 40 is after 2 and 3 designed as a hollow-cylindrical ring 41 with a cylinder wall 42 and an inner cavity 43 .
  • the insert 40 has in the cylinder wall 42 a Wall area with a continuous first opening 44 and a fiber inlet 45 on.
  • the length of the fiber inlet 45 extends over approximately one third of the circumference of the annular insert 40.
  • the fiber inlet 45 is limited in the axial direction by areas of the cylinder wall 42 and in the circumferential direction at one end by the discharge opening 29.
  • the other end of the fiber inlet 45 transitions into the cylinder wall 42 in a sliding manner in the circumferential direction, as a result of which a stepless fiber run is realized.
  • the fiber inlet 45 is designed in the form of a trough with a base area and two side walls that are bent up.
  • the insert 40 in the cylinder wall 42 has a wall area with a second opening 46 running through it.
  • the second opening 46 is opposite the feed opening 27 and the dirt separation opening 28 and allows both the passage of dissolved fibers to the opening roller 21 and the passage of separated dirt from the annular gap into the dirt separation opening 28.
  • the cylinder wall 42 forms the boundary of the second opening 46 three pages.
  • the second opening 46 is open.
  • the ring 41 has a circumferential step 47 which forms a labyrinth seal with the cover 30 of the opening roller housing 17 .
  • Open-end rotor spinning device 25 machine-length drive shaft 2 rotor case 26 dissolving device 3 spinning rotor 27 feed opening 4 rotor shaft 28 dirt separation opening 5 supporting disc bearing 29 discharge opening 6 tangential belt 30 cover 7 pressure roller 31.1 Wall 8th cover element 31.2 Wall 9 center seal 32 dirt discharge channel 10 vacuum line 33 compressor 11 vacuum source 34 pantry 12 Duct Plate Adapter 35 cones 13 thread draw-off nozzle 36 Feather 14 fiber guide channel 37 chamber 15 thread withdrawal tube 38 opening 16 pivot axis 39 perimeter wall 17 opening roller housing 40 mission 18 thrust bearing 41 ring 19 bearing bracket 42 cylinder wall 20 bearing bracket 43 interior cavity 21 opening roller 44 first opening 22 food roller 45 fiber inlet 23 whorl 46 second opening 24 tangential belt 47 Step

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP19195928.7A 2018-09-07 2019-09-06 Auflösewalzengehäuse für eine auflösevorrichtung einer offenend-rotorspinnvorrichtung Active EP3620558B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018007069.8A DE102018007069A1 (de) 2018-09-07 2018-09-07 Auflösewalzengehäuse für eine Auflösevorrichtung einer Offenend-Rotorspinnvorrichtung

Publications (2)

Publication Number Publication Date
EP3620558A1 EP3620558A1 (de) 2020-03-11
EP3620558B1 true EP3620558B1 (de) 2022-11-02

Family

ID=67875345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19195928.7A Active EP3620558B1 (de) 2018-09-07 2019-09-06 Auflösewalzengehäuse für eine auflösevorrichtung einer offenend-rotorspinnvorrichtung

Country Status (3)

Country Link
EP (1) EP3620558B1 (zh)
CN (1) CN110886036B (zh)
DE (1) DE102018007069A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021117812A1 (de) * 2021-07-09 2023-01-12 Maschinenfabrik Rieter Ag Auflösewalzengehäuse für eine Auflösewalze einer Offenend-Spinnvorrichtung sowie Offenend-Spinnvorrichtung mit einem Auflösewalzengehäuse

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS162152B1 (zh) * 1972-06-07 1975-07-15
CS163568B1 (zh) * 1973-03-08 1975-09-15
DE2819060A1 (de) * 1978-04-29 1979-10-31 Schubert & Salzer Maschinen Aufloeseeinrichtung fuer eine offenend- spinnvorrichtung
DE3207575A1 (de) * 1982-03-03 1983-09-22 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt "aufloeseeinrichtung fuer eine offenend-spinnvorichtung"
DE3324629A1 (de) * 1983-07-08 1985-01-24 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Aufloeseeinrichtung fuer eine offenend-spinnvorrichtung
CS249280B1 (en) * 1984-09-19 1987-03-12 Frantisek Ferkl Singling out device for break spinning machine
DE3716727C2 (de) * 1987-05-19 1996-07-18 Schlafhorst & Co W Zuführ- und Auflöseeinrichtung einer Offen-End-Spinnmaschine
DE3910292C2 (de) * 1989-03-30 2000-04-13 Schlafhorst & Co W Zuführ- und Auflöseeinrichtung in einer Spinnvorrichtung einer OE-Spinnmaschine
DE4234587A1 (de) * 1992-10-14 1994-04-21 Schlafhorst & Co W Auflöseeinrichtung einer Offen-End-Spinnvorrichtung
DE4416977C2 (de) * 1994-05-13 1996-12-19 Rieter Ingolstadt Spinnerei Offenend-Spinnvorrichtung
DE10224589A1 (de) * 2001-06-23 2003-01-09 Rieter Ingolstadt Spinnerei Auflösewalzengehäuse
DE10237672A1 (de) * 2002-08-16 2004-02-26 Rieter Ingolstadt Spinnereimaschinenbau Ag Auflösewalzengehäuse für eine Offenend-Spinnvorrichtung, Einsatz für ein Auflösewalzengehäuse und Verfahren zum modernisieren von Spinnvorrichtungen
DE102010011234A1 (de) * 2010-03-12 2011-09-15 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Herstellen eines Auflösewalzengehäuses einer Offenend-Spinnvorrichtung und Auflösewalzengehäuse
DE102010044181A1 (de) * 2010-11-19 2012-05-24 Maschinenfabrik Rieter Ag Faserkanaleinsatz
DE102016117614A1 (de) * 2016-09-19 2018-03-22 Saurer Germany Gmbh & Co. Kg Rotorspinnvorrichtung

Also Published As

Publication number Publication date
DE102018007069A1 (de) 2020-03-12
CN110886036B (zh) 2022-08-30
CN110886036A (zh) 2020-03-17
EP3620558A1 (de) 2020-03-11

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