EP2574581A2 - Buse aspirante pour un poste de travail d'une machine textile fabriquant des bobines croisées - Google Patents

Buse aspirante pour un poste de travail d'une machine textile fabriquant des bobines croisées Download PDF

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Publication number
EP2574581A2
EP2574581A2 EP12006280A EP12006280A EP2574581A2 EP 2574581 A2 EP2574581 A2 EP 2574581A2 EP 12006280 A EP12006280 A EP 12006280A EP 12006280 A EP12006280 A EP 12006280A EP 2574581 A2 EP2574581 A2 EP 2574581A2
Authority
EP
European Patent Office
Prior art keywords
suction nozzle
teeth
thread
suction
comb strip
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
Application number
EP12006280A
Other languages
German (de)
English (en)
Other versions
EP2574581A3 (fr
EP2574581B1 (fr
Inventor
Ute Holt
Friedhelm Klingen
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
Oerlikon Textile 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 Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2574581A2 publication Critical patent/EP2574581A2/fr
Publication of EP2574581A3 publication Critical patent/EP2574581A3/fr
Application granted granted Critical
Publication of EP2574581B1 publication Critical patent/EP2574581B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 suction nozzle for a workstation of a cross-wound textile machine according to the preamble of claim 1.
  • the workstation computer ensures that, as in the DE 40 05 752 A1 described, first a so-called suction nozzle with its suction port is applied to the surface of a slowly rotating against the winding direction of package and subjected to negative pressure.
  • the suction nozzle tries to take with its suction the yarn end of the upper thread pneumatically from the surface of the package designed as a cross-wound bobbin. After detecting the upper thread end, the suction nozzle pivots back to its original position, in which the suction opening of the suction nozzle is positioned below a yarn splicing device.
  • the yarn strand extending between the cross-wound bobbin and the suction nozzle is guided into an electronic thread cleaner arranged above the yarn joining device, a yarn clamping device positioned in the region of the yarn joining device and, guided by corresponding guide contours of yarn guide plates and yarn guide bars, into the scissors a thread cutting device located below the splicing device retracted.
  • a gripper tube positioned in a lower starting position pivots into an upper working position, bringing with it a lower thread that has been held until then, for example in a thread tensioner, drawn from the supply spool.
  • Suction nozzles with such comb strips in the region of their intake are known and, for example in the DE 10 2006 039 735 A1 , in the DE 10 2006 020 353 A1 or in the EP 0 398 415 A1 partly described in relative detail.
  • a suction nozzle which has a particularly advantageous intake behavior due to the special design of its suction nozzle head.
  • This advantageous suction nozzle is additionally equipped in the region of its intake opening with a comb strip which is arranged on the cover element of the suction nozzle head and has a row of adjacently arranged, equal-length teeth.
  • the present invention seeks to develop a suction nozzle with a comb strip, on the one hand is inexpensive to produce, and on the other hand, it is ensured that the accumulated on the cheese package thread end can always be reliably absorbed.
  • the inventive production and training of the comb strip of a suction nozzle with an alternating arrangement of large and small teeth has the particular advantage that due to the set back arrangement of the small teeth accumulated on the surface of the cheese spool end of the upper thread initially detected only by the large teeth, relatively gentle is raised and then transferred over the legs of these large teeth to one of the small teeth.
  • the small, relatively sharp tooth grasps the thread end or the fibers projecting from the thread end and fixes the thread immediately.
  • the fixed in this way thread can then be easily handled by the slowly rotating in the unwinding cheese.
  • the inventive arrangement and design of the teeth, in particular the recessed arrangement of a small tooth between two large teeth also has the advantage that the small teeth are in a largely protected from mechanical influences mounting position, with the result that these teeth are very filigree could be.
  • the photochemical etching has been found. In this known method photochemical processes are triggered with short-wave radiation, which lead to a very precise material removal at the exposed areas of a master material.
  • the large teeth are arranged at a distance to each other which is between 0.5 and 1.0 mm, for example 0.7 mm. Such a distance of the large teeth prevents on the one hand, that the comb strip can dirty too quickly, on the other hand is ensured by such a distance that the thread end can be reliably absorbed by the surface of the cheese.
  • the large teeth have a height between 0.5 and 0.8 mm, for example 0.7 mm, and the height of the small teeth is between 0.2 and 0.4 mm ( Anspr.3). That is, according to experiments have shown that almost optimal conditions are given when the height of the small teeth is about half the height of the large teeth and the distance of the large teeth corresponds approximately to their height.
  • the acute angle of the small teeth is in each case between 10 ° and 30 °, preferably about 20 °.
  • the comb strip is preferably made of a spring steel having a thickness of 0.2 to 0.5 mm.
  • a spring steel having a thickness of 0.2 to 0.5 mm.
  • Such a proven and commercially available spring steel is not only a proven, inexpensive material, but also has a sufficiently high strength even at low thickness.
  • Fig. 1 is a side view schematically a job 2 of a cheese-producing textile machine, in the embodiment of a so-called cross-winding machine 1, shown.
  • Such automatic packages 1 usually have a plurality of such, in series juxtaposed, identical jobs 2.
  • spinning workpieces 3 produced on ring spinning machines are rewound on workstations 2 into large-volume cheeses 5.
  • the cheeses 5 are after their completion by means of a (not shown) automatically operating service unit, preferably a cheese changer, handed over to a machine-length cheese package transport means 7 and transported to a machine end side Spulenverladestation or the like.
  • a (not shown) automatically operating service unit preferably a cheese changer
  • such automatic packages 1 often have a logistics device in the form of a package and tube transport system 6, in which spin cops 3 or empty tubes circulate on transport plates 11. From this coil and 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 job 2 of the automatic winder 1 also has various other, known per se and therefore not explained in more detail facilities that are necessary for proper operation of the jobs 2.
  • Each workstation 2 has, for example, a workstation computer 28, which is connected via a bus connection 29 to a central control unit 30 of the automatic cheese winder 1, and by means of a winding device 4, which has a coil frame 8 movably mounted about a pivot axis 12.
  • a winding device 4 which has a coil frame 8 movably mounted about a pivot axis 12.
  • Fig. 1 indicated lies during the winding operation in the creel 8 freely rotatably supported cheeses 5 with its surface on a support and drive roller 9, which is acted upon for example by an electric motor 33.
  • the electric motor 33 is connected via a control line 35 to the workstation computer 28.
  • a Fadenchangier worn 10 is provided, for example a finger thread guide 13 which, acted upon by an electric motor drive 14, traversing the thread 16 running on the cheese 5 between the end faces of the cheese 5 traversed.
  • the yarn guide drive 14 is connected via a control line 15 to the workstation computer 28 in operative connection.
  • Such jobs 2 also have a thread connecting device 42, preferably a pneumatic splicing device, a gripper tube 43 for handling the lower thread and a suction nozzle 17, taken with a accumulated after a Spulunterbrechung on the surface of the cheese 5 end of the thread and inserted into the thread connecting device 42 can.
  • the suction nozzle 17 has, as for example with reference to FIG Figures 2 and 3 it can be seen, in the region of its suction nozzle head 18, a suction opening 23, which is equipped with a comb strip 19 according to the invention.
  • the Figure 3 shows a front view of the suction head 18 of a suction nozzle 17th
  • the suction head 18 has a suction opening 23, in the upper region of which a comb strip 19 according to the invention is positioned.
  • the comb strip 19 has a number of large teeth (20) and a number of small teeth (21). That is, a small tooth (21) is positioned between each two spaced large teeth (20).
  • the small teeth (21) each arranged between two large teeth (20) have only a height (h) between 0.2 and 0.4 mm and an acute angle ( ⁇ ) which is between 10 ° and 30 °, preferably 20 °, lies. This means that the tooth tips (31) of the small teeth (21) are set back clearly with respect to the tooth tips (22) of the large teeth (20) and are approximately halfway up the tooth base.
  • the comb strip (19) according to the invention is preferably made of a spring steel sheet having a thickness (t) between 0.2 and 0.5 mm.
  • t thickness between 0.2 and 0.5 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Treatment Of Fiber Materials (AREA)
EP12006280.7A 2011-10-01 2012-09-06 Buse aspirante pour un poste de travail d'une machine textile fabriquant des bobines croisées Not-in-force EP2574581B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011114769A DE102011114769A1 (de) 2011-10-01 2011-10-01 Saugdüse für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102011114769 Previously-Filed-Application 2011-10-01

Publications (3)

Publication Number Publication Date
EP2574581A2 true EP2574581A2 (fr) 2013-04-03
EP2574581A3 EP2574581A3 (fr) 2014-03-05
EP2574581B1 EP2574581B1 (fr) 2015-05-27

Family

ID=46924206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12006280.7A Not-in-force EP2574581B1 (fr) 2011-10-01 2012-09-06 Buse aspirante pour un poste de travail d'une machine textile fabriquant des bobines croisées

Country Status (4)

Country Link
EP (1) EP2574581B1 (fr)
JP (1) JP5995633B2 (fr)
CN (1) CN103030032B (fr)
DE (1) DE102011114769A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107156972A (zh) * 2017-06-07 2017-09-15 周敏 一种用于生产针织手套的送线机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015157669A (ja) * 2014-02-24 2015-09-03 村田機械株式会社 糸端捕捉装置、及び、糸巻取装置
DE102014008735A1 (de) * 2014-06-12 2015-12-17 Saurer Germany Gmbh & Co. Kg Verfahren und Vorrichtung zur Steuerung des Unterdruckes an einer Fadenfang- oder Reinigungsdüse einer Arbeitsstelle einer Auflaufspulen herstellenden Textilmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE4005752A1 (de) 1990-02-23 1991-08-29 Schlafhorst & Co W Verfahren und vorrichtung zum vorbereiten zu spleissender fadenenden
DE102006020353A1 (de) 2006-04-28 2007-10-31 Staedtler + Uhl Kg Mundstück für einen Fadengreifer mit einem Nadelstreifen, Nadelstreifen für ein Mundstück und Verfahren zur Herstellung eines Nadelstreifens
DE102006039735A1 (de) 2006-08-24 2008-02-28 Oerlikon Textile Gmbh & Co. Kg Saugdüse für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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
CH334274A (de) * 1953-11-03 1958-11-30 Reiners Walter Dr Ing Saugdüse zum Erfassen, Aufsuchen und Abheben von Fadenenden an einer Garne verarbeitenden Maschine, z. B. einer Spulmaschine
JPS4844125Y1 (fr) * 1970-07-28 1973-12-19
DE2908731B1 (de) * 1979-03-06 1980-07-10 Mayer Fa Karl Vorrichtung zum Absaugen des Fadenendes von einer Spule bei Spulmaschinen
JPS58158062U (ja) * 1982-04-19 1983-10-21 村田機械株式会社 巻糸機における二重糸引出し防止装置
DE3620702A1 (de) * 1986-06-20 1987-12-23 Staedtler & Uhl Garnitur fuer textilvorbereitungsmaschinen, insbesondere kaemm-maschinen, karden od.dgl.
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
JP2002080170A (ja) * 2000-09-06 2002-03-19 Murata Mach Ltd パッケージからの糸端引き出し装置
US7618514B2 (en) * 2006-02-03 2009-11-17 United Technologies Corporation Photo-etched EDM electrode
JP4147432B2 (ja) * 2006-07-28 2008-09-10 村田機械株式会社 糸端引出し装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE4005752A1 (de) 1990-02-23 1991-08-29 Schlafhorst & Co W Verfahren und vorrichtung zum vorbereiten zu spleissender fadenenden
DE102006020353A1 (de) 2006-04-28 2007-10-31 Staedtler + Uhl Kg Mundstück für einen Fadengreifer mit einem Nadelstreifen, Nadelstreifen für ein Mundstück und Verfahren zur Herstellung eines Nadelstreifens
DE102006039735A1 (de) 2006-08-24 2008-02-28 Oerlikon Textile Gmbh & Co. Kg Saugdüse für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107156972A (zh) * 2017-06-07 2017-09-15 周敏 一种用于生产针织手套的送线机

Also Published As

Publication number Publication date
CN103030032B (zh) 2016-08-10
CN103030032A (zh) 2013-04-10
EP2574581A3 (fr) 2014-03-05
JP2013079151A (ja) 2013-05-02
DE102011114769A1 (de) 2013-04-04
JP5995633B2 (ja) 2016-09-21
EP2574581B1 (fr) 2015-05-27

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