CN101273162A - Thread take-off roller for a textile machine which produces crosswound bobbins - Google Patents
Thread take-off roller for a textile machine which produces crosswound bobbins Download PDFInfo
- Publication number
- CN101273162A CN101273162A CNA2006800350297A CN200680035029A CN101273162A CN 101273162 A CN101273162 A CN 101273162A CN A2006800350297 A CNA2006800350297 A CN A2006800350297A CN 200680035029 A CN200680035029 A CN 200680035029A CN 101273162 A CN101273162 A CN 101273162A
- Authority
- CN
- China
- Prior art keywords
- yarn
- roller
- unwinding yarn
- yarn roller
- thin
- 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
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Classifications
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- 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
- D01H4/04—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 imparting twist by contact of fibres with a running surface
- D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
- D01H4/10—Rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/06—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate singly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
- B65H51/10—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements with opposed coacting surfaces, e.g. providing nips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Abstract
The invention relates to a thread take-off roller for a textile machine which produces crosswound bobbins, for the frictional transport of a thread which is produced in a spinning device. According to the invention, there is provision for the external circumference (7) of the thread take-off roller (10) to be formed by a thin-walled metal ring (11) which is profiled by hydroforming.
Description
Technical field
The present invention relates to a kind ofly as claim 1 unwinding yarn roller as described in the preamble, this unwinding yarn roller is used on the weaving loom of producing cross winding bobbin.
Background technology
Produce the weaving loom of cross winding bobbin, open-end spinning device particularly, in the zone of its work station, has unwinding yarn mechanism, the yarn that this unwinding yarn mechanism will produce in spinning apparatus is extracted out from spinning apparatus, and on the direction of winding mechanism, transmit yarn, at the winding mechanism there yarn formation cross winding bobbin of being reeled.
Known yarns take-off device for example DE44 32 240 A1 is introduced, and has along the driving shaft of machine length direction, and perhaps unwinding yarn mechanism is by single motor-driven.Such unwinding yarn mechanism also is the theme of DE 101 39 075 A1 for example.
Unwinding yarn mechanism according to DE 44 32 240 A1, always by unwinding pipe relative heavy wall, firm and chromium plating and the rubber ring of installing pivotly around backer roll form, wherein the unwinding pipe is not rotatably fixed in the work station zone along on the driving shaft of machine length direction, and backer roll is moving by above-mentioned unwinding pipe racks by being frictionally engaged.But these known unwinding yarn mechanisms have such shortcoming, and promptly because of continuous driving shaft, they are only applicable to extract yarn out in conventional spinning work, and can not make yarn the end of a thread return spinning apparatus when combining with the joint operation.
The unwinding yarn mechanism with unwinding yarn roller that drives with single motor is for example disclosed in DE 101 39 075 A1.These known yarns take-off devices all have relatively large withdrawal roller that is driven by single motor and obvious little a lot of backer roll of installing pivotly.In this case, can utilize stepper motor to be made of rotational symmetric die casting or injection-molded article with the unwinding yarn roller that reversible manner drives, it is level and smooth that the outer peripheral edges of this die casting or injection-molded article are manufactured into for yarn, preferably chromium plating.The most important thing is that the shortcoming of the unwinding yarn mechanism that these are known is that the production cost of unwinding yarn roller is too high.In other words, the processing of the necessity on the surface that comes in contact with yarn is effort comparatively, makes that this unwinding yarn roller is more expensive.
Summary of the invention
Based on above-mentioned prior art, the purpose that the present invention is based on is that exploitation has the unwinding yarn roller for the smooth surface of yarn, and this unwinding yarn roller can be produced economically.
This purpose realizes by the described unwinding yarn roller of claim 1 of the present invention.
Favourable structure of the present invention is the theme of dependent claims.
According to the present invention, the thin-wall metal eye of being made by high-abrasive material utilizes the internal high pressure forming process to be shaped with the method for economy earlier, is fixed on then on the outer peripheral edges of rotational symmetric matrix of unwinding yarn roller.
The profile of this thin-wall metal ring is produced by the internal high pressure forming process, promptly is level and smooth and without any need for post processing in this case concerning yarn.The internal high pressure forming process itself is the known production method in conjunction with ducted body, makes it possible to economy ground, can repeatedly produce or even complicated parts.For example, be placed in the die cavity of mould, by hydraulic fluid it be pressed against on the mold wall then with high-pressure injection by metal ducted body capable of cold forming described in the DE 41 03 082 and be known as in this method of hydroforming.In this case, mold wall has the hollow bulb consistent with the expectation profile of pipe, and in forming process, tubing is pressed into hollow bulb, forms evenly level and smooth radius.
It is final because the thin-wall metal ring has forming process after immediately, for the level and smooth profile of yarn, so can save further procedure of processing.Therefore the internal high pressure shaping is a kind of method of can be accurately and producing ducted body economically.
Steel, the preferred alloy of being made by so-called special steel is proved to be the suitable material of becket, as described in claim 2.
Not only very anticorrosive, also more wear-resisting by the becket that special steel is made, so the wearing and tearing of moulding product can be remained in the rational limit.In other words, these beckets not only are not easy to get rusty, and for this becket, the moulding product also have very long service life.
As described in claim 3, the wall thickness of thin-wall metal ring at 0.1mm between the 0.4mm, preferred 0.2mm.Such ducted body has relatively little wall thickness, on the one hand, by the internal high pressure forming process, the problem that adds man-hour is less relatively, and on the other hand, when they have been shaped and the supporter that has been installed in them for example on the matrix of unwinding yarn roller the time, they also have required rigidity.
As described in claim 4, the profile of becket preferably is made of a plurality of fins, and these fins are separated from one another on direction of rotation.In this case, when unwinding from spinning apparatus, yarn is more mildly carried secretly by fin.Because the profile of becket, in the accelerating period of average rate duration of work and coiler device, the slip between unwinding yarn roller and the yarn can both remain in the very little limit.
As described in claim 5, a kind of optional embodiment also is provided, the becket that internal high pressure is shaped is coated.By such coating, can prolong the service life of becket.
Description of drawings
Embodiment shown in is with reference to the accompanying drawings introduced the present invention in more detail below, wherein:
Fig. 1 represent to produce cross winding bobbin weaving loom work station and according to the perspective view of unwinding yarn roller of the present invention, this work station has by single motor-driven yarns take-off device;
Fig. 2 represents the side view, particularly cutaway view according to the unwinding yarn roller of the driver with connection of the present invention;
Fig. 3 represents the unwinding yarn roller according to the section according to III-III among Fig. 2 of the present invention.
The specific embodiment
Fig. 1 represents the perspective view of the work station of free-end spinning machine.Work station is represented with Reference numeral 1 generally.Such workstation1 is known, therefore only schematically shows, and it has open-end spinning device 2 and the coiler device 3 that is used to produce yarn 9 basically, and this coiler device 3 allows yarn 9 to be wound on the cross winding bobbin 8.
The yarn of producing in open-end spinning device 29 is extracted out from open-end spinning device 2 by yarns take-off device 27, and described yarns take-off device 27 has drivable unwinding yarn roller 10 and is pivotally attached to the backer roll 14 of unwinding yarn roller 10.
In this case, yarn 9 leaves open-end spinning device through a so-called unwinding yarn pipe 21.Also be provided with an auxiliary joint member 16 of installing pivotly in the zone of open-end spinning device 2, it is return next yarn 9 by suction nozzle 4 receptions from cross winding bobbin 8, and prepares to be used for connecting once more the end of a thread behind yarn breakage.
In addition, shut-down mechanism 26, waxing mechnism 62 and yarn storing mechanism 60 or 61 are provided with the downstream on the yarn traffic direction of unwinding yarn mechanism 27.Thread storage device 61 is designed to carry the storage nozzle of negative pressure herein, and storing mechanism 60 is designed to mechanical type storage yarn feeding device.In other words, arrange an adjustable guide member between two fixing guide members, it is driven by stepper motor 58, and arranges movably with respect to the yarn operating path.
Just as routine, winding mechanism 3 is made up of bobbin cradle 22, driving reel 23 and yarn transversing mechanism 24, wherein bobbin cradle 22 is used for rotatably mounted cross winding bobbin 8, drive reel 23 and preferably driven by reversible single driving device 56, yarn transversing mechanism 24 is driven by for example stepper motor 57.The yarn centering machine can also be set in the upstream of yarn transversing mechanism 24, and this yarn centering machine is the form of the centering plate 17 installed pivotly, and if necessary, this centering plate can be folded in the normal yarn operating path by driver 55 in the mode of regulation.
In addition, as mentioned above, workstation1 has suction nozzle 4, and this suction nozzle 4 can utilize stepper motor 6 to adjust between yarn receiving position in coiler device 3 zones and the yarn transferring position in spinning apparatus 2 zones in the mode of regulation.
As shown in the figure, each stepper motor is connected to feeding head computer 25 by control line.
Unwinding yarn mechanism 27, it has more detailed side view or front view, particularly cutaway view in Fig. 2 and 3, and it can be made up of unwinding yarn roller 10 and a backer roll 14 that is pivotally attached to unwinding yarn roller 10 that stepper motor 13 drives by one basically.Unwinding yarn mechanism 27 can guarantee to extract yarns 9 at normal spinning duration of work out from open-end spinning device 2, also can guarantee to turn back to open-end spinning device 2 at the ready yarn 9 of joint condition time chien shih once more.
Unwinding yarn roller 10 comprises one particularly by matrix 15 that for example made by die casting, rotational symmetric, on the outer peripheral edges 7 of this matrix 15, be fixed with thin-wall metal ring 11, it forms by the internal high pressure forming process, is preferably made by steel or special steel alloy.At the coiling duration of work, shaping thin wall becket 11 contacts with yarn 9, and guarantees that together with adjacent backer roll 14 yarn 9 extracts out from the open-end spinning device 2 continuously.
In this case, the configuration of thin-wall metal ring 11 preferably is made of a plurality of fins 12, and shown in Fig. 2 and 3, described fin is distributed on the whole periphery of becket, the arrangement of turning up the soil separated from one another on the rotation direction R of driven roller.
As mentioned above, thin-wall metal ring 11 is shaped by internal high pressure and has obtained its profile in an advantageous manner.This method itself is known, and illustrated as having in DE 4103082A1, it is also referred to as hydroforming, and the ducted body that is made of metal capable of cold forming is placed in the mould, according to required configuration, it is adopted recess process.Utilize incompressible medium, preferred hydraulic fluid, it injects the inside of ducted body under very high pressure, and light-wall pipe is pressed into the recess of mould inner wall.In other words, the shape of mould inner wall has determined the net shape of the element produced, corresponding to its final size or its definite entity profile.
Owing to can produce level and smooth relatively radius in the curved edge zone, so the element of being finished has been final finished product, in other words, further subsequent treatment such as deburr are unwanted.
Therefore, even the serial part of relative complex also can be produced on economy ground, the while is owing to the internal high pressure forming method has accurate dimensions.
Claims (5)
1. unwinding yarn roller that is used on the weaving loom of producing cross winding bobbin, described unwinding yarn roller is used for being transmitted in friction the yarn that spinning apparatus is produced, it is characterized in that, the outer peripheral edges (7) of described unwinding yarn roller (10) are formed by thin-wall metal ring (11), and this ring is shaped by the internal high pressure forming process.
2. unwinding yarn roller as claimed in claim 1 is characterized in that, the forming metal ring (11) of this thin-walled is made of steel, preferred special stainless steel alloy.
3. unwinding yarn roller as claimed in claim 1 is characterized in that, the wall thickness of the forming metal ring (11) of this thin-walled between the 0.4mm, is preferably 0.2mm at 0.1mm.
4. as the described unwinding yarn roller of any one claim of front, it is characterized in that the profile of the forming metal ring (11) of this thin-walled is upward stepped in the direction of rotation (R) of described unwinding yarn roller (10), for example be the shape of fin (12).
5. unwinding yarn roller as claimed in claim 1 is characterized in that, the forming metal ring (11) of this thin-walled has coating.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005045712.6 | 2005-09-24 | ||
| DE200510045712 DE102005045712A1 (en) | 2005-09-24 | 2005-09-24 | Thread take-off roller for a textile machine producing cross-wound bobbins |
| PCT/EP2006/006793 WO2007033713A1 (en) | 2005-09-24 | 2006-07-12 | Thread take-off roller for a textile machine which produces crosswound bobbins |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101273162A true CN101273162A (en) | 2008-09-24 |
| CN101273162B CN101273162B (en) | 2011-11-09 |
Family
ID=37491760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800350297A Expired - Fee Related CN101273162B (en) | 2005-09-24 | 2006-07-12 | Thread take-off roller for a textile machine which produces crosswound bobbins |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1929078B1 (en) |
| CN (1) | CN101273162B (en) |
| DE (1) | DE102005045712A1 (en) |
| WO (1) | WO2007033713A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007015695A1 (en) * | 2007-03-31 | 2008-10-02 | Oerlikon Textile Gmbh & Co. Kg | Method for operating a cheese-producing textile machine |
| DE102007023490A1 (en) | 2007-05-19 | 2008-11-20 | Oerlikon Textile Gmbh & Co. Kg | Method and device for operating a winding device of a cross-wound producing textile machine |
| DE102008040951A1 (en) * | 2008-08-01 | 2010-02-04 | Rieter Ingolstadt Gmbh | Outfeed roller for drawing finespun thread from spinning device of open-end spinning machine, is constantly propelled in thread departure direction, and upper surface of outfeed roller has friction increasing plasma coating in thread |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1247952A (en) * | 1959-09-11 | 1960-12-09 | Anti-static gasket including pressure cylinder for drawing fibers, textile or other material | |
| DE2438375A1 (en) * | 1974-08-09 | 1976-02-19 | Schubert & Salzer Maschinen | Spinning machine feed rollers - formed by end flanges between which are fitted parallel spring steel wires |
| DE2616884A1 (en) * | 1976-04-15 | 1977-10-27 | Schubert & Salzer Maschinen | PAIR OF THREAD PULL-OFF ROLLERS |
| DE3704745A1 (en) * | 1986-02-20 | 1987-09-24 | Barmag Barmer Maschf | Thread delivery unit with pressure roller and flexible counterroller |
| DE4103082A1 (en) | 1991-02-01 | 1992-08-27 | Eichelberg & Co Gmbh H D | METHOD FOR THE HYDROSTATIC FORMING OF HOLLOW BODIES FROM COLD FORMABLE METAL AND DEVICE FOR IMPLEMENTING THE METHOD |
| DE19652620A1 (en) * | 1995-12-20 | 1997-06-26 | Barmag Barmer Maschf | Light compact, inexpensive false-twist texturiser for synthetic yarns |
| DE19841666A1 (en) * | 1998-09-11 | 2000-03-16 | Schaeffler Waelzlager Ohg | Driven yarn delivery roller for use with a nip roller comprises a cast hub with a drawn axial extension as yarn contact surface |
| DE10139075A1 (en) | 2001-08-09 | 2003-02-20 | Schlafhorst & Co W | Open-end rotor spinning machine |
| CN2622209Y (en) * | 2003-05-23 | 2004-06-30 | 无锡二橡胶股份有限公司 | Top rollers made of metal and covered with rubber for spinning use |
-
2005
- 2005-09-24 DE DE200510045712 patent/DE102005045712A1/en not_active Withdrawn
-
2006
- 2006-07-12 EP EP06791536.3A patent/EP1929078B1/en not_active Expired - Fee Related
- 2006-07-12 CN CN2006800350297A patent/CN101273162B/en not_active Expired - Fee Related
- 2006-07-12 WO PCT/EP2006/006793 patent/WO2007033713A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| DE102005045712A1 (en) | 2007-03-29 |
| EP1929078A1 (en) | 2008-06-11 |
| WO2007033713A1 (en) | 2007-03-29 |
| CN101273162B (en) | 2011-11-09 |
| EP1929078B1 (en) | 2014-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SAURER GERMANY GMBH + CO. KG Free format text: FORMER OWNER: OERLIKON TEXTILE GMBH + CO. KG Effective date: 20131030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131030 Address after: The German city of Remscheid Patentee after: Saurer Germany GmbH & Co KG Address before: The German city of Remscheid leiwo Guselu No. 65 Patentee before: Oerlikon Textile GmbH & Co. KG |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20160712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |