EP2574580B1 - Barre en peigne pour une buse d'aspiration d'un poste de travail d'une machine textile fabriquant des bobines croisées - Google Patents

Barre en peigne pour une buse d'aspiration d'un poste de travail d'une machine textile fabriquant des bobines croisées Download PDF

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Publication number
EP2574580B1
EP2574580B1 EP12006278.1A EP12006278A EP2574580B1 EP 2574580 B1 EP2574580 B1 EP 2574580B1 EP 12006278 A EP12006278 A EP 12006278A EP 2574580 B1 EP2574580 B1 EP 2574580B1
Authority
EP
European Patent Office
Prior art keywords
comb bar
suction nozzle
thread
teeth
region
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.)
Not-in-force
Application number
EP12006278.1A
Other languages
German (de)
English (en)
Other versions
EP2574580A3 (fr
EP2574580A2 (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
Saurer Germany 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46924204&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2574580(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Saurer Germany GmbH and Co KG filed Critical Saurer Germany GmbH and Co KG
Publication of EP2574580A2 publication Critical patent/EP2574580A2/fr
Publication of EP2574580A3 publication Critical patent/EP2574580A3/fr
Application granted granted Critical
Publication of EP2574580B1 publication Critical patent/EP2574580B1/fr
Not-in-force legal-status Critical Current
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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 comb strip for a suction nozzle of a workstation of a cheese-producing 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.
  • Such arranged in the region of the suction port of a suction comb strips are known and, for example in the DE 10 2006 039 735 A1 or in the EP 0 398 415 A1 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.
  • EP 0 398 415 A1 By the EP 0 398 415 A1 also comb strips are known, which are arranged in the region of the suction opening of a suction nozzle. In the EP 0 398 415 A1 also describes how such comb strips can be made. That is, in this patent application it is stated that such comb strips are produced, for example, by means of a laser cutting device, wherein initially a stack of base plates is severed so that in each case a large number of teeth of the same size are formed in the region of the cutting edges.
  • suction nozzles which are equipped in the region of their suction either with a needle comb or in which one of the Saugdüsewandungen in the region of the suction port is roughened like sandpaper.
  • the AT-PS 368 106 describes a suction nozzle, which is equipped in the region of its suction with a special Fadenabhebe Anlagen.
  • the Fadenabhebe interests has in this case a circulating with the cross-wound roller and a trained as a multi-screw worm contact roller.
  • the by the AT-PS 368 106 known, relatively complex and sensitive device could not prevail in practice.
  • suction nozzles which, as described above, are equipped with comb strips, in the pneumatic yarn end recording already have significantly higher success rates, as suction nozzles that do not have such comb strips, with respect to the formation of such comb strips quite further improvements are possible.
  • the present invention seeks to develop a low-cost comb strip for a suction nozzle, which is designed so that the comb strip not only fixes the sucked into the suction nozzle end of the thread, but also the detachment of the on the surface of the cheese accrued thread end supported by the surface of the cheese.
  • the production and design of the comb strip according to the invention of a suction nozzle has the particular advantage that a comb strip with at least one structured surface in the region of the fold of the comb strip can be created in a simple and cost-effective manner, wherein the structured surface has a surface which facilitates the detachment of the thread end supported by the surface of the cheese. That is, the structured surface of the comb strip created in a photochemical etching process leads to a significantly improved end-of-line detachment, particularly in problematic yarns, which are often characterized by great hairiness.
  • the comb strip has two structured surfaces, which are arranged spaced from each other so that between them a smooth Kämmancen Scheme is given.
  • a smooth Kämmancen Scheme is given.
  • Such a design ensures that the thread end is loaded during the thread take-up with a high probability by one of the structured surfaces and thereby released from the surface of the cheese.
  • it is also ensured by the arranged between the structured surfaces smooth Kämm advisorn Scheme but that, if necessary, a predeterminable thread length can be deducted via the suction nozzle without it comes to threading in the area of the fold of the comb strip, as a sucked thread always has the desire to slip into the area of the suction nozzle center.
  • the structured surfaces as set forth in claim 3, contour edges, which have undercuts.
  • Such undercuts arranged in the region of the contour edges are very effective, in particular in the case of hairy yarns, since they easily detect, for example, protruding edge fibers and as a consequence of which the thread end, as intended, is lifted off the cheeses surface.
  • the structured surfaces are arranged spaced above a row of teeth of the comb strip.
  • the row of teeth has a plurality of large teeth for receiving a thread end and small teeth for fixing the thread end. That is, a small tooth is positioned between each of two large teeth.
  • 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.
  • 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 via a winding device 4, which has a coil frame 8 movably mounted about a pivot axis 12.
  • Fig. 1 indicated is located during the winding operation in the coil frame 8 freely rotatably supported cross-wound bobbin 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 founded 10 is provided, which consists for example of a finger thread guide 13, which, acted upon by an electric motor drive 14, travels to the package 5 thread 16 running between the end faces of the cheese 5.
  • 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, with a recorded after a Spulunterbrechung on the surface of the cheese 5 thread end and inserted into the thread connecting device 42 can.
  • the suction nozzle 17 has, as for example with reference to FIG Fig. 2 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 comb strip 19 has, as well as from the Figure 3 clearly visible, over a row of teeth 22 with large 20 and small 21 teeth and in the region of their fold 31 on structured surfaces 32nd
  • a smooth Kämmatn Scheme 34 is also provided.
  • the comb strip 19 according to the invention is preferably made of a spring steel sheet having a thickness between 0.2 and 0.5 mm.
  • photochemical etching has proved to be an advantageous production method for producing the comb strips according to the invention.
  • short-wave radiation photochemical processes are triggered, which lead to a very precise material removal at the exposed areas of the thin spring steel, both structured surfaces and fine tooth geometries can be produced inexpensively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (4)

  1. Barrette en forme de peigne, destinée à une buse d'aspiration d'un poste de travail d'une machine textile produisant des bobines croisées, ladite buse d'aspiration comportant un orifice d'aspiration dévolu à la saisie pneumatique d'une extrémité de fil parvenue sur la surface d'une bobine croisée, après une cassure de fil ou un sectionnement de fil contrôlé, et ladite barrette en forme de peigne, conçue pour être placée dans la région dudit orifice d'aspiration, étant dotée d'un coude, ainsi que d'une rangée de dents, en vue du blocage à demeure de l'extrémité de fil aspirée,
    caractérisée par le fait que
    ladite barrette (19) en forme de peigne présente, dans la région de son coude (31), au moins une surface structurée (32) produite au cours d'un procédé d'attaque photochimique.
  2. Barrette en forme de peigne, selon la revendication 1, caractérisée par le fait que deux surfaces structurées (32A, 32B) sont présentes dans la région du coude (31) et sont disposées avec espacement l'une de l'autre, de façon telle qu'une région lisse (34) de ladite barrette soit ménagée entre lesdites surfaces.
  3. Barrette en forme de peigne, selon la revendication 1 ou 2, caractérisée par le fait que des arêtes profilées, pourvues de contre-dépouilles, sont présentes dans la région des surfaces structurées (32 ; 32A, 32B).
  4. Barrette en forme de peigne, selon la revendication 1, caractérisée par le fait que les surfaces structurées (32 ; 32A, 32B) sont disposées avec espacement au-dessus de la rangée (22) des dents de ladite barrette (19) en forme de peigne, ladite rangée (22) présentant une multiplicité de dents de grande taille (20) et de petite taille (21), et une dent (21) de petite taille étant respectivement interposée entre deux dents (20) de grande taille.
EP12006278.1A 2011-10-01 2012-09-06 Barre en peigne pour une buse d'aspiration d'un poste de travail d'une machine textile fabriquant des bobines croisées Not-in-force EP2574580B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011114765A DE102011114765A1 (de) 2011-10-01 2011-10-01 Kammleiste für eine Saugdüse einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102011114765 Previously-Filed-Application 2011-10-01

Publications (3)

Publication Number Publication Date
EP2574580A2 EP2574580A2 (fr) 2013-04-03
EP2574580A3 EP2574580A3 (fr) 2014-03-05
EP2574580B1 true EP2574580B1 (fr) 2015-07-08

Family

ID=46924204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12006278.1A Not-in-force EP2574580B1 (fr) 2011-10-01 2012-09-06 Barre en peigne pour une buse d'aspiration d'un poste de travail d'une machine textile fabriquant des bobines croisées

Country Status (4)

Country Link
EP (1) EP2574580B1 (fr)
JP (1) JP6012374B2 (fr)
CN (1) CN103030031B (fr)
DE (1) DE102011114765A1 (fr)

Families Citing this family (3)

* 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
DE102015005393A1 (de) * 2015-04-28 2016-11-03 Saurer Germany Gmbh & Co. Kg Arbeitsstelle einer Auflaufspulen herstellenden Textilmaschine
IT202100016862A1 (it) * 2021-06-28 2022-12-28 Savio Macch Tessili Spa Bocchetta di aspirazione filo lato rocca e relativa roccatrice provvista di detta bocchetta di aspirazione filo lato rocca

Family Cites Families (16)

* 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
JPS4844125Y1 (fr) * 1970-07-28 1973-12-19
CH623546A5 (fr) * 1977-11-09 1981-06-15 Schweiter Ag Maschf
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
IT1229739B (it) 1989-05-16 1991-09-07 Savio Spa Procedimento per la realizzazione di pettini da applicare a bocchette aspiranti per la captazione del bandolo di filati avvolti in confezione e pettini perfezionati cosi' ottenuti.
DE4005752C2 (de) 1990-02-23 1998-10-08 Schlafhorst & Co W Verfahren und Vorrichtung zum Vorbereiten zu spleißender Fadenenden
JPH0469479U (fr) * 1990-10-26 1992-06-19
JPH0496469U (fr) * 1991-01-29 1992-08-20
JPH0781849A (ja) * 1993-09-13 1995-03-28 Murata Mach Ltd 糸継補助装置
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
JP2005005679A (ja) * 2003-04-15 2005-01-06 Matsushita Electric Ind Co Ltd 半導体発光素子およびその製造方法
JP2007531632A (ja) * 2003-07-17 2007-11-08 エリソン エデュケーショナル エクイップメント インコーポレイテッド プレスに使用される薄い金型
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
DE102006039735A1 (de) 2006-08-24 2008-02-28 Oerlikon Textile Gmbh & Co. Kg Saugdüse für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Also Published As

Publication number Publication date
JP6012374B2 (ja) 2016-10-25
JP2013079150A (ja) 2013-05-02
DE102011114765A1 (de) 2013-04-04
EP2574580A3 (fr) 2014-03-05
EP2574580A2 (fr) 2013-04-03
CN103030031A (zh) 2013-04-10
CN103030031B (zh) 2016-07-06

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