EP3620558A1 - Boitier de cylindre ouvreur pour un dispositif ouvreur d'un métier à filer à bout libéré - Google Patents

Boitier de cylindre ouvreur pour un dispositif ouvreur d'un métier à filer à bout libéré Download PDF

Info

Publication number: EP3620558A1
Authority: EP; European Patent Office
Prior art keywords: opening; roller housing; insert; opening roller; housing
Prior art date: 2018-09-07
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

EP19195928.7A

Other languages

German (de)

English (en)

Other versions

EP3620558B1 (fr

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.)

2018-09-07

Filing date

2019-09-06

Publication date

2020-03-11

2019-09-06 Application filed by Saurer Spinning Solutions GmbH and Co KG filed Critical Saurer Spinning Solutions GmbH and Co KG

2020-03-11 Publication of EP3620558A1 publication Critical patent/EP3620558A1/fr

2022-11-02 Application granted granted Critical

2022-11-02 Publication of EP3620558B1 publication Critical patent/EP3620558B1/fr

Status Active legal-status Critical Current

2039-09-06 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 a opening device of an open-end rotor spinning device with a feed opening for feeding the fiber sliver, with a removal 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 fiber sliver is dissolved into individual fibers by means of an opening roller device.
the fibers are loosened by means of a disintegration roller which, as a result of, for example, a toothed clothing, dissolves the sliver presented to it by combing it out into individual fibers.
This opening process takes place in a opening roller housing, in which the opening roller is rotatably arranged and where the sliver is fed to the opening roller with a feed device through a feed opening of the opening roller housing.
a dirt separating opening is present 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, nits, shell residues or the like, is thrown out through this opening and thus leaves the fiber stream aimed at the fiber guide channel.
a discharge opening is arranged after the dirt separation opening, through which the separated fibers are led 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 is known in which the peripheral wall 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 the size of the dirt separation can be varied, but 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 design of the insert. It also disturbs that the outer contour of the insert is flush with the inner surface of the peripheral wall of the opening roller housing, so that the annular gap between opening roller and 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 which is structurally simple and easy to assemble and disassemble, in particular to be replaced. Furthermore, the use should be simple and inexpensive to manufacture. 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 a fiber band, with a removal opening for removing fibers from the opening roller housing and with a dirt separating opening in the peripheral wall of the opening roller housing.
the opening roller housing includes an interchangeable insert.
the insert is designed as a hollow cylinder-like ring which has at least one wall region with an opening and a trough-shaped fiber inlet in the discharge opening in the cylinder wall and a wall region with an opening for adjusting the dirt separating opening.
the insert also adjusts the annular gap between the opening roller housing of an opening roller through the thickness of its cylinder wall.
the opening roller housing according to the invention shows an efficient and simple possibility of enabling adjustment to different spinning conditions.
the length and shape of the fiber inlet in the circumferential direction of the ring can be varied by simply exchanging the ring. With a trough-shaped fiber inlet, the inlet area can take place substantially in front of the fiber guide channel.
the size of the opening of the insert for adjusting the dirt separating opening can also be varied.
the annular gap between the opening roller and the insert can be varied by exchanging the ring. Inserts with different inside diameters of the inner cavity of the insert can be used for this.
the corresponding optimal ring can be used for different fibers and applications.
the rings allow a different fiber inlet area of the fiber guide channel. Another advantage is to close or open the dirt separation opening more or less.
the annular gap between the opening roller and the ring can also be varied if necessary.
the use according to the invention is particularly suitable for simply selecting the appropriate fiber guide channel inlet area by simply changing the ring and / or influencing the dirt separation area in such a way that the user can decide how clean his yarn should be.
the insert according to the invention is preferably formed in one piece. This enables simple manufacture and assembly.
the insert forms the boundary of the feed opening and / or the dirt separating opening on at least three sides.
the insert forms the boundary of the discharge opening.
the insert is arranged coaxially with the opening roller.
the insert is preferably arranged coaxially to 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 replaced easily and inexpensively in the event of wear.
FIG. 1 an open-end rotor spinning device 1 is shown schematically.
Such open-end rotor spinning devices 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 supported, for example, with a rotor shaft 4 in the bearing gussets of a so-called support disk bearing 5 and is supported by a machine-long one 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 the spinning operation by a pivotably mounted cover element 8, into which a channel plate is inserted, which is provided with a circumferential center seal 9 on 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 spinning vacuum required in the rotor housing 2.
a channel plate adapter 12 is interchangeably arranged in a receptacle of the channel plate (not shown), which has the mouth region of a fiber guide channel 14 and a thread take-off nozzle 13, to which a thread take-off roller 15 is connected.
an opening device 26 is integrated in the cover element 8, which is mounted such that it can be rotated to a limited extent about a pivot axis 16.
the cover element 8 has an opening roller housing 17 and rear-side bearing brackets 19, 20 for mounting an opening roller 21 or a feed roller 22. With 30 a cover of the opening roller housing 17 is designated.
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).
FIG. 2 A preferred embodiment of the opening roller housing 17 according to the invention is shown.
the sliver, the opening roller 21 (see Fig. 1 ) and the individual fibers have been omitted to illustrate 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 separating opening 28 and a discharge opening 29 for discharging the combed and separated fibers through the fiber guide channel 14 connected to the opening roller housing 17 to the spinning station (see Fig. 1 ).
the dirt separating 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 separating opening 28 leads via a dirt discharge channel 32 to a collection or removal system (not shown here) for the separated dirt particles.
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 state of the sliver changes, for example its strength, the feed trough 34 deflects downward.
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 on its circumference a (not shown) opening set, which in the present case is sawtooth-shaped. This opening set combs individual fibers from the sliver fed. Due to the air flow prevailing in the opening roller housing 17, the individual fibers are carried along with the air flow and fed through the fiber guide channel 14 to the spinning unit.
the dirt separated from the stream of the separated fibers generally has a greater mass than the fibers and is therefore thrown out essentially tangentially from the dirt separating opening 28.
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.
the insert 40 according to the invention is arranged in the chamber 37 of the opening roller housing 17.
the insert 40 is coaxial with the opening roller 21 (see Fig. 1 ) and arranged to the peripheral wall 39.
the insert 40 is by means of (not shown) fasteners, for. B. screws or dowel pins, interchangeably attached to the side wall of the opening roller housing 17.
the insert 40 is after Fig. 2 and 3rd formed as a hollow cylinder-like ring 41 with a cylinder wall 42 and an inner cavity 43.
the insert 40 has one in the cylinder wall 42 Wall area with a continuous first opening 44 and a fiber inlet 45.
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 delimited in the axial direction by regions 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 slides smoothly into the cylinder wall 42 in the circumferential direction, as a result of which a stepless fiber run is achieved.
the fiber inlet 45 is trough-shaped with a base area and two curved side walls.
the insert 40 has a wall region in the cylinder wall 42 with a continuous second opening 46.
the second opening 46 lies opposite the feed opening 27 and the dirt separating 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 separating opening 28.
the cylinder wall 42 forms the boundary of the second opening 46 three pages.
the second opening 46 is open on the fourth side.
the ring 41 has a circumferential step 47, which forms a labyrinth seal with the cover 30 of the opening roller housing 17.

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 Carter de cylindre ouvreur pour un dispositif ouvreur d'un métier à filer à bout libre Active EP3620558B1 (fr)

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 true EP3620558A1 (fr)	2020-03-11
EP3620558B1 EP3620558B1 (fr)	2022-11-02

Family

ID=67875345

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19195928.7A Active EP3620558B1 (fr)	2018-09-07	2019-09-06	Carter de cylindre ouvreur pour un dispositif ouvreur d'un métier à filer à bout libre

Country Status (3)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP4116472A1 (fr)	2021-07-09	2023-01-11	Maschinenfabrik Rieter AG	Carter de rouleau ouvreur pour un rouleau ouvreur d'un dispositif à filer à bout libre, ainsi que dispositif à filer à bout libre doté d'un carter de rouleau ouvreur
DE102022133335A1 (de)	2022-12-14	2024-06-20	Maschinenfabrik Rieter Ag	Auflösewalzengehäuse für eine Auflösewalze einer Offenend-Spinnvorrichtung und Kunststoffabdeckung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3892063A (en) *	1972-06-07	1975-07-01	Vyzk Ustav Bavlnarsky	Spinning machine construction
US4246745A (en) *	1978-04-29	1981-01-27	Schubert & Salzer	Apparatus for lining a housing of a fiber opening device and roller
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
GB2164671A (en) *	1984-09-19	1986-03-26	Vyzk Ustav Bavlnarsky	Fibre individualizing device of an open-end spinning unit
US4976099A (en) *	1989-03-30	1990-12-11	W. Schlafhorst & Co.	Sliver feeding and opening device of an open end spinning machine
DE4416977A1 (de) *	1994-05-13	1995-11-23	Rieter Ingolstadt Spinnerei	Offenend-Spinnvorrichtung
DE10224589A1 (de)	2001-06-23	2003-01-09	Rieter Ingolstadt Spinnerei	Auflösewalzengehäuse
EP1462550A1 (fr)	2002-08-16	2004-09-29	Rieter Ingolstadt Spinnereimaschinenbau AG	Boiter de cylindre ouvreur pour un machine à filer à bout libre, Insert pour un boitier de cylindre ouvreur et un procedure pour modernizer un métiers à filer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CS163568B1 (fr) *	1973-03-08	1975-09-15
DE3716727C2 (de) *	1987-05-19	1996-07-18	Schlafhorst & Co W	Zuführ- und Auflöseeinrichtung einer Offen-End-Spinnmaschine
DE4234587A1 (de) *	1992-10-14	1994-04-21	Schlafhorst & Co W	Auflöseeinrichtung einer Offen-End-Spinnvorrichtung
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

2018
- 2018-09-07 DE DE102018007069.8A patent/DE102018007069A1/de not_active Withdrawn
2019
- 2019-09-05 CN CN201910836453.0A patent/CN110886036B/zh active Active
- 2019-09-06 EP EP19195928.7A patent/EP3620558B1/fr active Active

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3892063A (en) *	1972-06-07	1975-07-01	Vyzk Ustav Bavlnarsky	Spinning machine construction
US4246745A (en) *	1978-04-29	1981-01-27	Schubert & Salzer	Apparatus for lining a housing of a fiber opening device and roller
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
GB2164671A (en) *	1984-09-19	1986-03-26	Vyzk Ustav Bavlnarsky	Fibre individualizing device of an open-end spinning unit
US4976099A (en) *	1989-03-30	1990-12-11	W. Schlafhorst & Co.	Sliver feeding and opening device of an open end spinning machine
DE4416977A1 (de) *	1994-05-13	1995-11-23	Rieter Ingolstadt Spinnerei	Offenend-Spinnvorrichtung
DE10224589A1 (de)	2001-06-23	2003-01-09	Rieter Ingolstadt Spinnerei	Auflösewalzengehäuse
EP1462550A1 (fr)	2002-08-16	2004-09-29	Rieter Ingolstadt Spinnereimaschinenbau AG	Boiter de cylindre ouvreur pour un machine à filer à bout libre, Insert pour un boitier de cylindre ouvreur et un procedure pour modernizer un métiers à filer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP4116472A1 (fr)	2021-07-09	2023-01-11	Maschinenfabrik Rieter AG	Carter de rouleau ouvreur pour un rouleau ouvreur d'un dispositif à filer à bout libre, ainsi que dispositif à filer à bout libre doté d'un carter de rouleau ouvreur
DE102021117812A1 (de)	2021-07-09	2023-01-12	Maschinenfabrik Rieter Ag	Auflösewalzengehäuse für eine Auflösewalze einer Offenend-Spinnvorrichtung sowie Offenend-Spinnvorrichtung mit einem Auflösewalzengehäuse
US20230008607A1 (en) *	2021-07-09	2023-01-12	Maschinenfabrik Rieter Ag	Opening roller housing for an opening roller of an open-end spinning device and open-end spinning device with an opening roller housing
DE102022133335A1 (de)	2022-12-14	2024-06-20	Maschinenfabrik Rieter Ag	Auflösewalzengehäuse für eine Auflösewalze einer Offenend-Spinnvorrichtung und Kunststoffabdeckung

Also Published As

Publication number	Publication date
CN110886036A (zh)	2020-03-17
DE102018007069A1 (de)	2020-03-12
CN110886036B (zh)	2022-08-30
EP3620558B1 (fr)	2022-11-02

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