EP1747311A1 - Offenend-rotorspinnvorrichtung mit einstellbarem faserleitkanal - Google Patents
Offenend-rotorspinnvorrichtung mit einstellbarem faserleitkanalInfo
- Publication number
- EP1747311A1 EP1747311A1 EP05715908A EP05715908A EP1747311A1 EP 1747311 A1 EP1747311 A1 EP 1747311A1 EP 05715908 A EP05715908 A EP 05715908A EP 05715908 A EP05715908 A EP 05715908A EP 1747311 A1 EP1747311 A1 EP 1747311A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- fiber guide
- channel section
- side channel
- rotor
- 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
Links
- 238000007383 open-end spinning Methods 0.000 title claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 79
- 238000009987 spinning Methods 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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
- D01H4/38—Channels for feeding fibres to the yarn forming region
Definitions
- the invention relates to an open-end rotor spinning device according to the preamble of claim 1.
- open-end rotor spinning devices have a spinning rotor which rotates at high speed in a rotor housing under vacuum during the spinning process.
- the rotor housing which is open towards the front, is sealed airtight during the spinning process by a cover element into which a replaceable duct plate adapter is embedded.
- the Dec elelement usually also has storage consoles for an opening roller and for a sliver feed cylinder. Via a pivot axis, which is arranged orthogonally to the axes of rotation of the opening roller and sliver feed cylinder, the cover element is connected to an associated spinning box housing with limited movement, which has, for example, the bearing and the drive for the spinning rotor.
- solc-tien open-end rotor spinning devices the individual fibers combed out by the opening roller from a supply fiber sliver are conveyed via a so-called fiber guide channel to the revolving spinning rotor and spun by the latter into a continuously removable thread.
- Openenenci rotor spinning devices described in the above patents have two-part fiber guide channels.
- a receptacle of an opening roller housing has a channel section on the input side: while a channel section with output outlet is located within the exchangeable section
- Channel plate adapter is arranged, which is positioned in a corresponding receptacle in the cover element.
- the channel plate adapter which is fixed in position in the receptacle of the cover element and can be replaced if necessary, which, in addition to the outlet-side channel section of the fiber guide channel, also has a bore for fixing a thread take-off nozzle, with a tower-like attachment in the rotating spinning rotor.
- Design of the fiber guide channel can be influenced positively.
- the outlet-side channel section de s
- Fiber guide channel are designed so that its
- the outlet-side channel section of the fiber guide channel arranged in the channel plate adapter is either designed as described in DE 195 44 617 AI, or, as stated in DE 102 10 895 AI, has an angled central longitudinal line.
- an insert for example, is to be inserted into the exit-side channel section of the fiber guide channel in such a way that the central longitudinal line of this channel section is angled. It has been found that the curvature or the angling of the outlet-side channel section can improve the fiber transport on this channel section and the feeding of the fibers onto the fiber slide surface of the spinning rotor.
- Such an arrangement of the channel sections of a fiber guide channel has also proven to be advantageous for the yarn quality that can be produced, in particular if the angle between the central longitudinal lines of the channel sections is in each case exactly matched to the yarn and / or spinning parameters present.
- the invention has for its object to provide a fiber guide channel of the type described above, which is simple This enables optimization of the fiber feed on the fiber slide surface of a spinning rotor, in particular taking into account the respectively existing yarn and / or spinning parameters.
- the embodiment of a fiber guide channel according to the invention described in claim 1 has the particular advantage that even after an exchange of the spinning means, for example as a result of changing the yarn section, optimal flow conditions in the area of the fiber guide channels can be ensured in a simple manner, and thus optimal fiber feeding onto the fiber slide surfaces the spinning rotors can be guaranteed.
- the configuration of the fiber guide channel according to the invention which enables a simple positioning of the channel section on the input side at any time and thus an optimal setting of the angle of inclination that can be set between the central longitudinal lines of the two channel sections, makes it possible to stock a large number, in each case specifically to a specific channel plate adapter or its output-side channel section of coordinated input-side channel sections is superfluous.
- the possibility of the defined setting of the angle of inclination between the channel sections of a fiber guide channel also offers the opportunity at any time to selectively effect the flow path within the fiber guide channel
- the optimal settings of the inclination angles are empirically determined beforehand and stored, for example, in an electronic memory or in corresponding tables.
- the opening roller housing with a channel section of the fiber guide channel positioned on the input side in a receptacle of the opening roller housing is about a pivot point that is in the contact area of the two channel sections of the fiber guide channel is limited, rotatably mounted.
- the opening roller housing can be adjusted both in first planes running parallel to the axis of rotation of the spinning rotor and in second planes running parallel to the front side of the opening roller housing and can be fixed in defined installation positions.
- such an embodiment enables a stepless adjustment of the angular position of the central longitudinal line of the input-side channel section of the fiber guide channel and thus an exact setting of predetermined inclination angles to the central longitudinal line of the output-side channel section of the fiber guide channel.
- the position of the central longitudinal line of the outlet section located in the duct plate adapter preferably remains unchanged. This means that at least the position of the central longitudinal axis of the channel plate adapter coaxial with the axis of rotation of the spinning rotor is predetermined by the installed position of the spinning rotor.
- the defined setting of the angle of inclination between the central longitudinal lines of the outlet-side and the inlet-side channel section of the fiber guide channel can have a targeted influence on the flow pattern within the fiber guide channel and thus the feeding of the individual fibers brought in by the transport air flow onto the fiber sliding surface of the spinning rotor can be optimized.
- the inlet-side channel section of the fiber guide channel is formed in its mouth region as a joint ball, which in the installed state with the designed as a spherical cap corresponds to the outlet-side channel section arranged in the channel plate adapter.
- the joint ball in conjunction with the spherical cap, forms the pivot point for the channel-side cut of the fiber guide channel on the input side or for the sliding roller bearing housing.
- Such a ball-joint-like design of the contact area of the two channel sections ensures maximum angular mobility of the two components of the fiber guide channel relative to one another and enables a stepless adjustment of the adjustably mounted inlet-side channel section with respect to the outlet-side channel section, which is preferably arranged in a fixed installation position.
- the central longitudinal line of the input-side channel section can be continuously adjusted in numerous planes with respect to the central longitudinal line of the output-side channel section of the fiber guide channel.
- any desired angle of inclination can be set within the defined adjustment ranges between the central longitudinal lines of the two Kana-lab sections.
- an angle of inclination can be set, for example, which can be between 0.1 ° and 10 °.
- the adjustable inclination angle is between 1 ° and 20 °.
- the flow profile of the air flow can be adjusted via the angle of inclination between the channel sections
- the fiber guide channel influences the transport air flow in a targeted manner and can thus be optimally adapted to the prevailing conditions, both in terms of the spin agent and the material to be spun.
- the opening roller housing is pivotally connected to the cover element via a special bearing bracket.
- the bearing bracket is, for example, slidably mounted on a part-circular guide rail and can be steplessly adjusted and precisely positioned on this guide rail by means of a corresponding actuator.
- This means that the bearing bracket can be used to adjust the opening roller housing and thus the inlet-side channel section arranged in a receptacle of the opening roller housing relative to the cover element, in planes parallel to the front of the opening roller housing.
- the input-side channel section is adjusted steplessly around the pivot point described above, which is arranged in the contact area of the channel sections and is formed by a ball joint connection.
- a likewise part-circular guide device in which the opening roller housing is adjustably mounted with corresponding guide lugs.
- a corresponding actuator also enables a stepless adjustment of the opening roller housing in the guide device. This means that the opening roller housing can be adjusted within the guide device in planes which each run parallel to the axis of rotation of the spinning rotor. In this case too, the pivoting of the inlet-side channel section takes place continuously around the ball joint connection mentioned above in the contact area of the two channel sections of the fiber guide channel.
- Fig. 1 is an open-end rotor spinning device, with a pivotably mounted roller housing, in side view
- FIG. 3 is a side view of the two-part fiber guide channel of the open-end rotor spinning device, partly in section,
- Fig. 4 is a front view of the two-part fiber guide channel according to the invention according to Figure 3, partly in section.
- Open-end rotor spinning devices which, as indicated only schematically in FIGS. 1 and 2, are equipped with an individual drive for the spinning rotor and each with individual drives for the opening roller and the sliver feed cylinder known and described for example in the post-published DE 103 40 657 AI.
- Such open-end rotor spinning devices 1 have, for example, a spinning rotor 16 which is supported in (not shown) magnetic bearings and is electromagnetically driven by a single drive 3.
- Spinning rotors driven and supported in this way are known in principle and, for example, in the
- EP 0 972 868 A2 is described in some detail.
- the rotor housing 2 of the open-end rotor spinning device 1 is preferably designed as a central, load-bearing component and consists of a highly thermally conductive metal, for example aluminum.
- the rotor housing 2 is connected via a pneumatic line 10 to a vacuum source (not shown).
- carriers 4 are also fixed, which are designed as bearing arms and each have a bearing point equipped with a sliding bushing 28 at the end.
- a cover element 6, which closes the rotor housing 2 during the spinning operation, is pivotably mounted in these bearing points. This means that the cover element 6 rests with an annular seal 13 on the front wall of the rotor housing 2 and closes it airtight.
- the pivot axis of the cover element 6 is identified by the reference number 5.
- the cover element 6, at the level of the axis of rotation 17 of the spinning rotor 16, has a receptacle 12 which is open in the direction of the spinning rotor 16 and in which a channel plate adapter 11 can be fixed in an easily replaceable manner. That is, the central longitudinal axis of the channel plate adapter 11 runs coaxially with the axis of rotation of the spinning rotor 16.
- the outlet-side channel section 31 of a fiber guide channel 18, which connects the opening roller housing 19 to the rotor housing 2 pneumatically in a continuous manner, is integrated into the channel plate adapter 11.
- the inlet-side channel section 30 of this fiber guide channel 18 is arranged in a receptacle 26 of the opening roller housing 19, which is limitedly movably fixed on the cover element 6, as explained below.
- a sliver opening device 23 of the open-end rotor spinning device 1 is integrated into the opening roller housing 19, which is mounted with limited mobility. That is, a single-motor-driven sliver feed cylinder 8A, whose axis of rotation is designated 8, and a single-motor-driven opening roller 7A, the axis of rotation of which bears the reference number 7.
- the opening roller housing 19 is connected to a bearing bracket 40 via a guide device 42 and by means of a Actuator, which is indicated schematically by a double arrow 44, can be pivoted in planes which are each parallel to the axis of rotation 17 of the spinning rotor 16.
- the pivot point S lies in the contact area of the channel sections 30, 31 of the fiber guide channel 18. That is, the central longitudinal line 32 of the input-side K-anal section 30 of the fiber guide channel, as shown in FIGS. 3 and 4, arranged in a receptacle 26 of the axial release roller housing 19 18 can be adjusted with respect to the central longitudinal line 33 of the outlet-side channel section 31 by an angle ⁇ , which is preferably between 0.1 ° and 10 °.
- the bearing bracket 40 is slidably attached to the cover element 6 via a guide rail 41, the release roller housing 19 and thus also the inlet-side channel section 30 of the fiber guide channel 18 can also be arranged in planes that are each parallel to the front side of the opening roller housing 19 lie to be adjusted by an angle ß.
- the angular position of the respective plane of the front of the opening roller housing 19 results from the angle ⁇ .
- the pivot point S is also here in the contact area of the channel sections 30, 31 of the fiber guide channel 18.
- the angle ⁇ which can be set between the central longitudinal lines 32, 33 of the channel sections 30, 31 of the fiber guide channel 18 is between 1 ° and 20 °.
- the opening roller housing 19 is preferably pivoted by means of a corresponding actuator which can be controlled in a defined manner and which is indicated schematically in FIG. 2 by a double arrow 43.
- the pivot point S for the opening roller housing 19 and thus for the inlet-side channel section 30 lies, as already indicated above and in particular from FIGS. 3 and 4, in the contact area of the channel sections 30, 31 of the fiber guide channel 18.
- the input-side channel section 30 points in the region of its mouth 27 has an articulated ball 29 which corresponds to a suitably designed spherical cap 34 in the region of the inlet opening 35 of the outlet-side channel section 31. That is, the central longitudinal lines 32, 32 of the channel sections 30, 31 intersect in the area of the pivot point S.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004017700A DE102004017700A1 (de) | 2004-04-10 | 2004-04-10 | Offenend-Rotorspinnvorrichtung |
PCT/EP2005/002528 WO2005100652A1 (de) | 2004-04-10 | 2005-03-10 | Offenend-rotorspinnvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1747311A1 true EP1747311A1 (de) | 2007-01-31 |
EP1747311B1 EP1747311B1 (de) | 2012-07-25 |
Family
ID=34962714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05715908A Expired - Fee Related EP1747311B1 (de) | 2004-04-10 | 2005-03-10 | Offenend-rotorspinnvorrichtung mit einstellbarem faserleitkanal |
Country Status (6)
Country | Link |
---|---|
US (1) | US7377096B2 (de) |
EP (1) | EP1747311B1 (de) |
CN (1) | CN100557103C (de) |
BR (1) | BRPI0509780B1 (de) |
DE (1) | DE102004017700A1 (de) |
WO (1) | WO2005100652A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007000621A1 (de) * | 2007-11-05 | 2009-05-07 | Rieter Ingolstadt Gmbh | Faserleitkanalbauteil für eine Offenend-Spinnvorrichtung |
DE102008050071A1 (de) | 2008-10-01 | 2010-04-08 | Oerlikon Textile Gmbh & Co. Kg | Offenend-Rotorspinnvorrichtung |
DE102009012045A1 (de) | 2009-03-06 | 2010-09-09 | Oerlikon Textile Gmbh & Co. Kg | Offenend-Rotorspinnvorrichtung |
DE102012005390A1 (de) * | 2012-03-16 | 2013-09-19 | Oerlikon Textile Gmbh & Co. Kg | Spinnvorrichtung |
DE102015115912A1 (de) * | 2015-09-21 | 2017-03-23 | Maschinenfabrik Rieter Ag | Kanalplattenadapter und Offenendspinnvorrichtung mit einem Kanalplattenadapter |
DE102018112801A1 (de) * | 2018-05-29 | 2019-12-05 | Maschinenfabrik Rieter Ag | Verfahren zum Ermitteln von Eigenschaften eines Fasermaterials an einer Arbeitsstelle einer Textilmaschine und eine Textilmaschine |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3734544A1 (de) * | 1987-10-13 | 1989-05-03 | Schubert & Salzer Maschinen | Offenend-spinnvorrichtung und verfahren zu deren herstellung |
DE3923060A1 (de) * | 1989-07-13 | 1991-01-24 | Schubert & Salzer Maschinen | Offenend-spinnvorrichtung |
DE4224687A1 (de) * | 1992-07-25 | 1994-02-17 | Rieter Ingolstadt Spinnerei | Verfahren und Vorrichtung zum Offenend-Spinnen |
JPH07501368A (ja) * | 1992-07-01 | 1995-02-09 | リーター、インゴルシュタット、シュピナライ マシーネンバウ、アクチェンゲゼルシャフト | オープンエンド紡糸方法および装置 |
DE4309704C1 (de) * | 1993-03-25 | 1994-07-21 | Rieter Ingolstadt Spinnerei | Offenend-Spinnvorrichtung |
DE19544617B4 (de) | 1995-11-30 | 2008-06-12 | Maschinenfabrik Rieter Ag | Adapter für Offenend-Spinnvorrichtungen |
DE19632888A1 (de) * | 1996-08-16 | 1998-02-19 | Rieter Ingolstadt Spinnerei | Offenend-Spinnvorrichtung und Verfahren zur Herstellung eines Transportkanals |
US5749216A (en) | 1997-03-14 | 1998-05-12 | Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh | Open end spinning apparatus |
DE19827606A1 (de) | 1998-06-20 | 1999-12-23 | Schlafhorst & Co W | Lageranordnung für eine Offenend-Spinnvorrichtung |
DE19836066A1 (de) | 1998-08-10 | 2000-02-17 | Schlafhorst & Co W | Offenend-Spinnvorrichtung |
DE19859164B4 (de) | 1998-12-21 | 2008-02-07 | Oerlikon Textile Gmbh & Co. Kg | Kanalplattenadapter für eine Offenend-Spinnvorrichtung |
DE10210895A1 (de) * | 2002-03-07 | 2003-09-25 | Stahlecker Gmbh Wilhelm | Adapter für Offenend-Spinnvorrichtungen |
DE10340657A1 (de) | 2003-09-04 | 2005-03-31 | Saurer Gmbh & Co. Kg | Offenend-Spinnvorrichtung |
-
2004
- 2004-04-10 DE DE102004017700A patent/DE102004017700A1/de not_active Withdrawn
-
2005
- 2005-03-10 US US10/593,520 patent/US7377096B2/en not_active Expired - Fee Related
- 2005-03-10 WO PCT/EP2005/002528 patent/WO2005100652A1/de active Application Filing
- 2005-03-10 EP EP05715908A patent/EP1747311B1/de not_active Expired - Fee Related
- 2005-03-10 BR BRPI0509780A patent/BRPI0509780B1/pt not_active IP Right Cessation
- 2005-03-10 CN CNB2005800123462A patent/CN100557103C/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2005100652A1 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0509780A (pt) | 2007-10-23 |
US20070169460A1 (en) | 2007-07-26 |
CN1946889A (zh) | 2007-04-11 |
WO2005100652A1 (de) | 2005-10-27 |
EP1747311B1 (de) | 2012-07-25 |
US7377096B2 (en) | 2008-05-27 |
DE102004017700A1 (de) | 2005-10-27 |
CN100557103C (zh) | 2009-11-04 |
BRPI0509780B1 (pt) | 2015-12-08 |
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