EP2824054A1 - Poste de travail d'une machine textile fabriquant des bobines croisées - Google Patents
Poste de travail d'une machine textile fabriquant des bobines croisées Download PDFInfo
- Publication number
- EP2824054A1 EP2824054A1 EP14002016.5A EP14002016A EP2824054A1 EP 2824054 A1 EP2824054 A1 EP 2824054A1 EP 14002016 A EP14002016 A EP 14002016A EP 2824054 A1 EP2824054 A1 EP 2824054A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction nozzle
- suction
- sealing element
- shielding device
- thread
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/08—Automatic end-finding and material-interconnecting arrangements
- B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
- B65H67/085—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
-
- 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
Definitions
- the invention relates to a workplace of a cross-wound textile machine with a suction nozzle according to the preamble of claim 1.
- a workstation computer in such a case ensures that, such as in the DE 40 05 752 A1 is described in relative detail, first a so-called suction nozzle with its mouth is applied to the surface of the slowly rotating against the winding direction of package and subjected to negative pressure. The vacuum-loaded suction nozzle then tries with its mouth to receive the yarn end of the upper thread from the surface of the package designed as a cross-wound bobbin. After detecting the upper thread, the suction nozzle pivots back to its original position, in which the mouth of the suction nozzle is positioned below a yarn joining device.
- the yarn strand extending between the cross-wound bobbin and the suction nozzle is guided into a scissors-mounted electronic cleaner, a clamping and cutting device positioned in this region and, guided by corresponding guide contours of Fadenleitblechen and Fadenleitbügeln, in a pair of scissors located below the thread connecting device cutting device moved in.
- a so-called gripper tube positioned in a lower starting position pivots into an upper working position, bringing with it a lower thread that has been held, for example, in a thread tensioner and withdrawn from the supply spool.
- the gripper tube in its upper working position slides the lower thread, which also on corresponding thread guiding contours is guided in an open thread clamp and an open cutting device.
- the lower and upper threads are then cut to the correct length, prepared in so-called dissolution tubes and pneumatically connected to one another in the thread connecting device.
- a job of a winder which is equipped with a fixed, that is, not pivotally mounted suction nozzle.
- the suction nozzle has on the top of its mouth region on a neck which is connected via a lever arrangement with the pivotally mounted creel of the job so that it adapts to the diameter of the package, that is, for effective thread detection reaches close to the surface of the package without touching the surface.
- the DE 29 08 731 B refers in principle to a further development of the suction nozzle described above. That is, the fixed suction nozzle described in this patent literature has on the top of its mouth region also a slidably mounted approach to which, however, no mechanical drive means is connected to its positioning in a suction position, but only two small return springs.
- the positioning of the sealing element in its suction position should be carried out pneumatically by the pressure prevailing in the suction nozzle negative pressure, with which the suction nozzle is acted upon in the event of a yarn breakage.
- a workstation of a winding machine which is equipped with a permanently installed suction nozzle whose lip-like mouth region is curved slightly upwards on its underside and ends just below the surface of a rotatably mounted in a pivoting creel cheese.
- the mouth region of this suction nozzle also has a plurality of openings through which additional air is sucked in with vacuum-loaded suction nozzle, whereby the suction effect is to be improved.
- the DE 32 06 478 C discloses a job with a pivotally mounted, under horrbeetzmacherbaren suction nozzle, which is equipped in its mouth with additional compressed air nozzles. If necessary, an additional air flow in the direction of the negative pressure flow of the suction nozzle can be initiated via the compressed air nozzles.
- a suction nozzle which is not open, as usual with suction nozzles, towards the front, but has in its front region on its upper side a transverse opening slot. Above the opening slot, a cap is installed, which is designed so that a sucked thread is deflected several times immediately.
- Textile machines producing modern cheeses are known to often have contact rollers, for example in the form of thread guide drums, in the area of their workstations as cross-wound bobbin drive and thread changer devices.
- these contact rollers are usually equipped with so-called sliding and deflector plates. These sliding and Abweisbleche each include the individual contact rollers partially and form good yarn guide means.
- the sliding and Abweisbleche also prevent that the suction nozzle can be positioned in the upper thread receiving in a fluidically optimal receiving position. That is, when using such sliding and Abweisbleche in the contact roller so far, especially in difficult operating conditions, problems in receiving the upper thread are often difficult to avoid.
- the present invention seeks to propose a job of a cheese-producing textile machine, the suction nozzle cooperates with suitable means so that one on the Cross reel accumulated yarn end of an upper thread, even in difficult operating conditions, such as hairy yarns, reliable and energy-saving can be added.
- a work site with a suction nozzle which cooperates with a shielding device which prevents a suction air flow from being introduced into the intake opening of the suction nozzle when the suction nozzle is positioned below the suction nozzle when the vacuum pickup position is positioned in the thread receiving position has the advantage of producing an advantageous concentration of the suction air flowing into the suction nozzle comes. That is, the device arranged below the suction opening of the suction nozzle prevents the formation of a suction air flow even below the suction nozzle, with the result that the suction air stream flowing into the suction nozzle from above becomes more intense.
- Such intensification of the suction air stream flowing in from above has a very positive effect on the detachment of the thread end from the surface of the cross-wound bobbin and the subsequent thread take-up.
- the energy requirement of the suction nozzle can also be optimized. That is, either while maintaining the current energy consumption of the suction nozzle whose error rate at the thread end recording can be significantly reduced and / or the power consumption of the suction nozzle can be significantly reduced, without causing an increase in the number of failed attempts of the suction nozzle at the yarn end.
- the shielding at positioned in the thread receiving position suction nozzle on the contact roller.
- suction air flow flowing in from above there are also two lateral suction air flows, which ensure that even thread ends which are located in the face region of the cheese surface can be reliably sucked into the region of the inlet opening of the suction nozzle and subsequently taken up.
- the shielding device has a sealing element which is installed on the underside of the Saugdüsenkopfes so that it corresponds with positioned in the thread receiving position of the suction nozzle with a arranged below the suction nozzle roller drive roller.
- the shielding device has a hinged sealing element, which may be inexpensively formed as injection molded or die-cast, for example.
- This hinged sealing element is preferably designed and arranged below the suction nozzle that, on the one hand, it bears against the contact roller arranged below the cross-wound contact roller and, on the other hand, neither during pivoting of the suction nozzle into the yarn end receiving position, nor during later pivoting of the suction nozzle with deflecting and threading contours that are installed in the area of the job in front of the contact roller. Due to the chosen training and arrangement The sealing element is thus ensured that the sealing element can always create problems with the contact roller when positioned in Fadenendamwolf suction nozzle.
- the hinged sealing element is acted upon by a spring means that on the one hand always rests reliably on the contact roller, on the other hand is mounted so pivotally that it is on or when swinging the suction nozzle, depending on Demand, temporarily can swing away to the rear or temporarily forward.
- the hinged sealing element as described in claim 6, also be designed so that it is applied to the contact roller by gravity due to positioned in Fadenendage sued suction nozzle.
- Such a design represents a very cost-effective variant of the storage of a pivotable sealing element.
- the shielding device is designed as an elastic sealing element.
- the workstation of the cheese-producing textile machine has a suction nozzle with an associated separate shielding.
- a separate shielding device preferably has a movably mounted, if necessary between the suction nozzle and the contact roller positionable sealing element, which, in its operating position on the Contact roller positioned, also reliably prevents the emergence of a suction air flow between the suction port of the suction nozzle and the contact roller.
- the movably mounted sealing element of the shielding device can, for example, be positioned in a defined manner between the suction nozzle and the contact roller by means of a controllable drive device. It is important in this context only that the sealing element of the shielding on the one hand during normal winding operation is positioned so that the winding operation of the job is not hindered, on the other hand reliably positioned in Fadenendamwolf suction nozzle is in a position in which it is ensured that below the suction nozzle can not form a lower Saugluftströmung.
- Fig. 1 is a side view schematically shows a job 2 a cheesemaking textile textile machine, in the embodiment of a so-called cross-winding machine 1, shown.
- spinning workpieces 3 which have been produced, for example, on ring spinning machines and have relatively little yarn material, are rewound into large-volume cheeses 5 on the workstations 2 of such automatic winder 1.
- the cheeses 5 are after their completion by means of a (not shown) automatically operating service unit, for example, a so-called cheese change, handed over to a machine-length cheese package conveyor 7 and then transported to a machine end side Spulenverladestation or the like.
- such automatic packages 1 also have a logistics device in the form of a package and tube transport system 6.
- a logistics device in the form of a package and tube transport system 6.
- this bobbin and tube transport system 6 run on transport plates 11 spinning cops 3 and Empty tubes 34 um.
- From the sleeve transport system 6 are in the Fig. 1 only the Kopszu slaughterhouse 24, the reversibly driven storage section 25, one of the leading to the winding units 2 transverse transport sections 26 and the sleeve return path 27 shown.
- each workstation 2 of the automatic winder 1 has a workstation computer 28, which is connected via a bus connection 29 to a central control unit 30 of the automatic cheese winder 1, as well as various other devices which are necessary for the proper operation of such workstations 2.
- winding device 4 For example, the winding device 4.
- a winding device 4 has a coil frame 8 which is movably mounted about a pivot axis 12. As in Fig. 1 shown, is in the coil frame 8 freely rotatably supported cross-wound bobbin 5 during the winding operation with its surface on a contact roller 9.
- Such a contact roller may, for example, as in Fig.1 shown, a coil drive roller 9, which is acted upon for example by an electric motor 33.
- the electric motor 33 is connected, for example via a control line 35, also to the workstation computer 28.
- the coil frame 9, as known per se, could also be equipped directly with a cheese drive.
- the rotating cross-wound bobbin 5 would rest on a so-called support roller and drive it frictionally.
- Fadenchangier device 10 For traversing the thread 16 during the winding process a Fadenchangier device 10 is provided.
- Fadenchangier device 10 consists for example of a finger thread guide 13, which, acted upon by an electric motor drive 14, traversing the accumulating on the cheese 5 thread 16 between the end faces of the cheese 5 traversed. Via a control line 15 and the thread guide drive 14 is connected to the workstation computer 28 in connection.
- a so-called thread guide drum can also be used.
- Such, in practice well proven, preferably single-motor driven thread guide drums rotate during cheese winding, the cheese spools frictionally and change the same time with a Faden arrangementsnut the tarnished thread.
- a thread connecting device 42 preferably a pneumatic yarn splicing device, a gripper tube 43 for handling a lower thread and a suction nozzle 17, with which an accumulated on the cheese 5 top thread can be added and inserted into the thread connecting device 42.
- the suction nozzle 17 is preferably, as described below with reference to FIGS. 2 and 3 will be explained, equipped with a below the suction port 18 of the suction nozzle 17 installed shielding 19A and 19B, which prevents at positioned in Fadenendam ein suction nozzle 17 with its sealing element 22A and 22B prevents that between the suction nozzle 17 and the contact roller 9, a lower Saugluftströmung SLSu may arise, which would flow from below into the suction port 18 of the suction nozzle 17.
- a separate shielding device 22C is provided in the area of the workstation 2, the movably mounted sealing element 22C of which can be positioned below the suction opening 18 of the suction nozzle 17 if required and, positioned in this position, also prevents the formation of a suction air flow SLSu.
- the suction nozzle 17 is equipped with a shielding device 19A which has a movably mounted sealing element 22A.
- the preferably by means of conventional fasteners on the underside 20 of the Saugdüsenkopfes 31 defined sealing element 22A is thereby, for example, by a spring element 21, so acted that it can dodge as required in the case of pivoting the suction nozzle 17 in its / from its Fadenendamyak. That is, the suction nozzle 17 can easily pass the deflecting and threading contours 32 arranged in front of the contact roller 9.
- the spring element 21 also provides ensure that when positioned in the thread take-up position suction nozzle 17, the sealing element 22A always reliably applied to the slowly in the unwinding R from rotating contact roller 9.
- the positioned in the thread receiving position of the suction nozzle 17 on the contact roller 9, for example, a coil drive roller, fitting sealing element 22A reliably prevents that, as usual in the prior art (see Figure 5 ), below the suction nozzle 17, that is, between the Saugdüsenkopf 31 and the contact roller 9, a lower Saugluftströmung SLSu may arise, which, as already explained above, the flow conditions in the suction port 18 of the Saugdüsenkopfes 31 of the suction nozzle 17 would adversely affect.
- the sealing element 22A positioned on the contact roller 9 causes the suction air flow SLS present in the interior of the suction nozzle 17 to initiate a relatively strong upper suction air flow SLSo.
- This on the surface of slowly rotating in the unwinding AW cross-wound bobbin 5 along sweeping Saugluftströmung SLSo on the one hand promotes the detachment of the thread end of the surface of the cheese 5 and on the other hand ensures that the detached upper thread is securely sucked into the suction nozzle 17.
- the sucked into the suction nozzle 17 upper thread can then be safely transferred by the downwardly pivoting suction nozzle 17 to the workstation's own pneumatic thread connecting device 42.
- a gravitational alignment of the sealing element 22A may be provided instead of the above-described spring element 21, which acts on the sealing element 22A. That is, the sealing element 22A is then arranged on the underside 20 of the Saugdüsenkopfes 31, that a freely movable part of the sealing element 224 gravity causes down and rests on the contact roller 9 when positioned in Fadenendam sued suction nozzle 17.
- the finger thread guide 13 in order to avoid a collision with the suction nozzle 17 pivoting into the yarn end receiving position, is positioned in each case in an outer end position.
- the finger thread guide 13 of the thread switching device 10 is understood, as in Fig.1 shown, above the deflecting and Einfädelkonturen 32 active and traversing the auf securedden Faden16 over the surface of the cheese 5.
- the Figure 3 shows a shielding device 19B, which in its function as the above with reference to the Fig.2 Shielding device 19A described corresponds.
- the shielding device 19B is also arranged on the underside 20 of the suction nozzle head 31.
- the sealing element 22B of the shielding device 19B is now made of an elastic material, for example a rubber material.
- the elastic sealing element 22B when switching on or swinging the suction nozzle 17 easily dodge the installed in front of the contact roller 9 deflecting and threading contours 32.
- alternative shielding 19C has a separately arranged sealing element 22C, which can be positioned below the suction nozzle 17, if necessary, for example by a drive device 23, that between the suction nozzle 17 and the contact roller 9 reliably prevents the emergence of a lower Saugluftströmung SLSu becomes.
- shielding 19C are numerous, sometimes quite different embodiments conceivable.
- the separate sealing element 22C could, for example, be pushed by a drive device 23 from above into its working position on the contact roller 9. However, it is also conceivable that the sealing element 22C is swiveled in as required by a drive device 23.
- sealing element 22C is formed in two parts.
- the two individual elements could each be pivoted from the side into its working position on the contact roller 2.
- a shielding device 19C with a separate sealing element 22c is ultimately not final, as such a shielding is precisely formed, but it is only important that the sealing element 22C of the shielding 19C can be positioned during the winding operation so that the winding operation in any way is negatively influenced and that is ensured in the operating position of the sealing element 22C that the sealing element 22 is positioned at the yarn end receiving so that the emergence of a lower Saugluftströmung SLSu is reliably prevented.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013011664.3A DE102013011664A1 (de) | 2013-07-11 | 2013-07-11 | Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2824054A1 true EP2824054A1 (fr) | 2015-01-14 |
EP2824054B1 EP2824054B1 (fr) | 2017-03-22 |
Family
ID=51178593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14002016.5A Active EP2824054B1 (fr) | 2013-07-11 | 2014-06-11 | Poste de travail d'une machine textile fabriquant des bobines croisées |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2824054B1 (fr) |
JP (1) | JP6465575B2 (fr) |
CN (1) | CN104276451B (fr) |
DE (1) | DE102013011664A1 (fr) |
IN (1) | IN2014MU02194A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014009203A1 (de) * | 2014-06-20 | 2015-12-24 | Saurer Germany Gmbh & Co. Kg | Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine |
JP2019031381A (ja) * | 2017-08-09 | 2019-02-28 | 村田機械株式会社 | 糸引出装置及び糸巻取機 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1560367A1 (de) | 1965-09-08 | 1971-03-25 | Elitex Zd Y Textilniho Strojir | Vorrichtung zum pneumatischen Suchen des Fadenendes auf einer sich bildenden Spule bei automatischen Spulmaschinen |
DE2908731B1 (de) | 1979-03-06 | 1980-07-10 | Mayer Fa Karl | Vorrichtung zum Absaugen des Fadenendes von einer Spule bei Spulmaschinen |
DE3206478C2 (de) | 1981-07-24 | 1984-02-16 | Maschinenfabrik Schweiter AG, 8810 Horgen | Vorrichtung zum Abziehen eines Garnendes an rotierenden Textilspulen |
EP0128121A1 (fr) | 1983-06-03 | 1984-12-12 | Maschinenfabrik Schärer AG | Equipement pour l'enlèvement pneumatique du sous-renvidage des cannettes |
GB2143548A (en) | 1983-07-21 | 1985-02-13 | Hollingsworth | Yarn end catching |
EP0398415A1 (fr) * | 1989-05-16 | 1990-11-22 | SAVIO S.p.A. | Procédé pour former des peignes pour buses d'aspiration utilisées pour attraper l'extrémité de fil d'un enroulement, et peigne ainsi obtenu |
JPH0356771U (fr) * | 1989-10-04 | 1991-05-31 | ||
DE4005752A1 (de) | 1990-02-23 | 1991-08-29 | Schlafhorst & Co W | Verfahren und vorrichtung zum vorbereiten zu spleissender fadenenden |
EP1707524A1 (fr) * | 2005-04-01 | 2006-10-04 | Saurer GmbH & Co. KG | Machine textile fabriquant des bobines à spires croisées |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2857113A (en) * | 1953-11-03 | 1958-10-21 | Reiners Walter Dr Ing | Suction nozzle for catching thread ends |
DE3008640A1 (de) * | 1979-05-16 | 1980-11-20 | Schweiter Ag Maschf | Fadenabzugvorrichtung fuer textilspulen |
JPS6433223A (en) * | 1987-07-27 | 1989-02-03 | Toray Eng Co Ltd | Apparatus for pulling out yarn end |
US5249752A (en) * | 1989-05-16 | 1993-10-05 | Savio S.P.A. | Combs for application to suction nozzles for seizing the end of yarns wound in packages |
JPH0323159U (fr) * | 1989-07-14 | 1991-03-11 | ||
JPH0451476U (fr) * | 1990-09-07 | 1992-04-30 | ||
JPH09255232A (ja) * | 1996-03-19 | 1997-09-30 | Murata Mach Ltd | パッケージ糸端吸引保持装置 |
ITMI20012421A1 (it) * | 2001-11-16 | 2003-05-16 | Savio Macchine Tessili Spa | Dispositivo e procedimento per depurare il filo della bobina di alimentazione ad una roccatice automatica dai suoi tratti terminali difettos |
DE102006039735A1 (de) * | 2006-08-24 | 2008-02-28 | Oerlikon Textile Gmbh & Co. Kg | Saugdüse für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine |
DE102008026777A1 (de) * | 2008-06-04 | 2009-12-10 | Oerlikon Textile Gmbh & Co. Kg | Saugdüse |
JP2011144029A (ja) * | 2010-01-17 | 2011-07-28 | Murata Machinery Ltd | 糸巻取り装置 |
-
2013
- 2013-07-11 DE DE102013011664.3A patent/DE102013011664A1/de not_active Withdrawn
-
2014
- 2014-06-11 EP EP14002016.5A patent/EP2824054B1/fr active Active
- 2014-07-07 IN IN2194MU2014 patent/IN2014MU02194A/en unknown
- 2014-07-10 CN CN201410326858.7A patent/CN104276451B/zh active Active
- 2014-07-11 JP JP2014142898A patent/JP6465575B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1560367A1 (de) | 1965-09-08 | 1971-03-25 | Elitex Zd Y Textilniho Strojir | Vorrichtung zum pneumatischen Suchen des Fadenendes auf einer sich bildenden Spule bei automatischen Spulmaschinen |
DE2908731B1 (de) | 1979-03-06 | 1980-07-10 | Mayer Fa Karl | Vorrichtung zum Absaugen des Fadenendes von einer Spule bei Spulmaschinen |
DE3206478C2 (de) | 1981-07-24 | 1984-02-16 | Maschinenfabrik Schweiter AG, 8810 Horgen | Vorrichtung zum Abziehen eines Garnendes an rotierenden Textilspulen |
EP0128121A1 (fr) | 1983-06-03 | 1984-12-12 | Maschinenfabrik Schärer AG | Equipement pour l'enlèvement pneumatique du sous-renvidage des cannettes |
GB2143548A (en) | 1983-07-21 | 1985-02-13 | Hollingsworth | Yarn end catching |
EP0398415A1 (fr) * | 1989-05-16 | 1990-11-22 | SAVIO S.p.A. | Procédé pour former des peignes pour buses d'aspiration utilisées pour attraper l'extrémité de fil d'un enroulement, et peigne ainsi obtenu |
JPH0356771U (fr) * | 1989-10-04 | 1991-05-31 | ||
DE4005752A1 (de) | 1990-02-23 | 1991-08-29 | Schlafhorst & Co W | Verfahren und vorrichtung zum vorbereiten zu spleissender fadenenden |
EP1707524A1 (fr) * | 2005-04-01 | 2006-10-04 | Saurer GmbH & Co. KG | Machine textile fabriquant des bobines à spires croisées |
Also Published As
Publication number | Publication date |
---|---|
IN2014MU02194A (fr) | 2015-10-09 |
DE102013011664A1 (de) | 2015-01-15 |
JP2015016989A (ja) | 2015-01-29 |
JP6465575B2 (ja) | 2019-02-06 |
EP2824054B1 (fr) | 2017-03-22 |
CN104276451B (zh) | 2018-02-02 |
CN104276451A (zh) | 2015-01-14 |
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