EP0787674B1 - Verfahren und Vorrichtung zum Entfernen von überflüssigem Faden einer Spule - Google Patents

Verfahren und Vorrichtung zum Entfernen von überflüssigem Faden einer Spule Download PDF

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Publication number
EP0787674B1
EP0787674B1 EP96120196A EP96120196A EP0787674B1 EP 0787674 B1 EP0787674 B1 EP 0787674B1 EP 96120196 A EP96120196 A EP 96120196A EP 96120196 A EP96120196 A EP 96120196A EP 0787674 B1 EP0787674 B1 EP 0787674B1
Authority
EP
European Patent Office
Prior art keywords
yarn
package
winding
winding package
supply
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.)
Expired - Lifetime
Application number
EP96120196A
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English (en)
French (fr)
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EP0787674A3 (de
EP0787674A2 (de
Inventor
Hirayuki Kawabata
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.)
Murata Machinery Ltd
Original Assignee
Murata Machinery Ltd
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 Murata Machinery Ltd filed Critical Murata Machinery Ltd
Publication of EP0787674A2 publication Critical patent/EP0787674A2/de
Publication of EP0787674A3 publication Critical patent/EP0787674A3/de
Application granted granted Critical
Publication of EP0787674B1 publication Critical patent/EP0787674B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/86—Arrangements for taking-up waste material before or after winding or depositing
    • B65H54/88—Arrangements for taking-up waste material before or after winding or depositing by means of pneumatic arrangements, e.g. suction guns
    • 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 present invention relates to a method and a device for removing unnecessary yarn of a winding package, before or when doffing of the winding package is carried out.
  • the supply yarn package is sometimes wound after dyeing but this kind of the supply yarn package may have innermost layer parts with dyeing specks where the dye is darker or lighter than other parts and the layer parts with these kinds of dyeing specks are also erroneously wound.
  • a first aspect of the unnecessary yarn removal method for a winding package is the removal of a predetermined amount of yarn of the last wound part of the winding package before or when doffing of the winding package is carried out.
  • a second aspect is the removal of a predetermined amount of yarn of the innermost layer part of the supply yarn package which had been wound onto the last wound part of the winding package.
  • a third aspect is the removal of the outer layer part of the next supply yarn package wound onto the last wound part of the winding package in continuance with the innermost layer part of the previous supply yarn package.
  • the doffing device is arranged to run along a plurality of winding units, a dust box for storing the removed yarn of the last wound part is arranged on that doffing device and a removal means for removing the yarn stored in the dust box is arranged on one side of the machine comprising the plurality of winding units.
  • the yarn monitor may make erroneous detections thus stopping monitoring of a yarn by the yarn monitor. Due to this, yarn defects may exist in the last wound part but the present invention is able to remove these defects.
  • the yarn wound off from a supply yarn package (1) on each winding unit (W) is wound onto a winding package (4) which contacts a traverse drum (3) and is driven by that drum (3).
  • a winding tube (5) of the winding package (4) is supported by a known cradle arm (not shown, so that it may freely rotate.
  • the supply yarn package (1) of the drawing is a spinning bobbin formed by a ring spinning machine.
  • (M) is a yarn monitor that monitors whether the yarn (2) is running or not and detects yarn defects.
  • (S) is a yarn piecing device such as a splicer that joins the yarn end of the supply yarn package (1) and the yarn end of the winding package (4).
  • (SN) is a supply yarn suction guide means that grips the yarn end of the supply yarn package (1) and guides it to the yarn piecing device (S).
  • (SP) is a winding yarn suction guide means that grips the yarn end of the winding package (4) and guides it to the yarn piecing device (S).
  • a cutter (6) arranged above the supply yarn package (1) operates via a suitable control device based on a signal from a known full winding detector (not shown). As shown in Figure 1(B), the yarn (2) is cut between the supply yarn package (1) and the winding package (4) and the cut yarn end (2a) of the supply yarn package (1) is sucked by the suction pipe (7).
  • the doffing device D in Figure must pick up the supply yarn package (1) side yarn end (2a) when doffing operations are to be carried out but as it is difficult for the doffing device (D) to pick up the supply yarn package (1) yarn end (2a) sucked into the suction pipe (7) positioned below, as shown in Figure 1(B), the supply yarn package (1) side yarn end (2a) and a yarn end (2b) wound off from the full winding package (4) are joined by a piecing device (S).
  • the suction opening of the winding yarn suction guide means (SP) is brought close to the winding package (4) as shown in Figure 1(B), the yarn end of the winding package (4) is sucked and gripped and by returning to its original position as shown in Figure 1(C), the yarn end of the winding package (4) is guided to the yarn piecing device (S).
  • the suction opening of the supply yarn suction guide means (SN) is brought close to the suction pipe (7) as shown in Figure 1(B), the yarn end of the supply yarn package (1) is sucked and gripped from the suction pipe (7) and by returning to its original position as shown in Figure 1(C), the yarn end of the supply yarn package (1) is guided to the yarn piecing device (S).
  • Figure 6 shows the case where a supply yarn package (1A) formed by the traversing of a yarn on the winding tube (1Aa) by an auto-winder, for example, wound off.
  • a case is shown where a single winding package (4) is formed from a single supply yarn package (1A).
  • a cheese shaped supply yarn package (1A) is shown but, of course, cone shaped is possible.
  • Figure 6(A) shows the state where the winding package (4) has become full and the supply yarn package (1A) has become empty.
  • a signal is sent from the full package detector similar to the case of Figure 1.
  • the empty package (1A) is ejected from the winding unit (W) and as shown in Figure 6(B), a new fully wound supply yarn package (1A) is supplied to the winding unit (W).
  • the suction opening of the winding yarn suction guide means (SP) approaches the winding package (4) and the yarn end of the winding package (4) is held.
  • the suction opening of the supply yarn suction guide means (SN) is positioned above the supply yarn package (1A) and moreover, due to the blowing of the yarn end inserted in the winding tube (1Aa) of the supply yarn package (1A) by the yarn end blowing means (BL), the yarn end of the supply yarn package (1A) is held by the supply yarn suction guide means (SN).
  • the yarn end of the supply yarn package (1A) and the yarn end of the winding package (4) are joined ( Figure 6(C)) and the running of yarn (2) is confirmed.
  • the joint (2c) is wound onto the last wound part of the winding package ( Figure 6(D)).
  • a doffing signal is emitted after the aforementioned piecing operation has finished, that doffing signal is input to a suitable control device, the doffing device (D) that runs along a plurality of winding units (W) linked together runs to infront of the winding unit (W) that has emitted the doffing signal and doffing is carried out by the doffing device (D).
  • the doffing device (D) is provided with a lever shaped yarn pick-up member (8), a lever shaped clamp cutter member (9) and a yarn suction member (10).
  • the tip of the yarn pick-up member (8) contacts from behind the part of the yarn (2) positioned below the traverse drum (3) from the joint (2c) wound on the last part of the full winding package to the supply yarn package (1,1A) and the traverse drum (3) operates.
  • a notch (8a) formed on the tip of the yarn pick-up member (8) traps the yarn (2).
  • the yarn pick-up member (8) is rotated forwards and the yarn (2) is pulled upwards while being caught in the notch (8a) of the yarn pick-up member (8).
  • the clamp cutter member (9) is operated and the clamp cutter (9a) arranged on the tip of the clamp cutter member (9) is moved to an operating position near to the yarn (2) which has been picked up by the yarn pick-up member (8).
  • the suction opening (10b) of the suction pipe (10a) of the yarn suction member (10) is arranged so that it is positioned between the clamp cutter (9a) moved to the aforementioned operating position and the winding package (4).
  • the clamp cutter (9a) of the clamp cutter member (9) is operated and cuts the yarn (2) picked up by the yarn pick-up member (8) while gripping the yarn end (2e) of the yarn supply package (1, 1A) side produced after cutting.
  • the cut yarn end (2d) of the winding package (4) side is sucked into the suction pipe (10a) from the suction opening (10b).
  • the yarn pick-up member (8) returns to the stand-by position as shown in Figure 2(A) and the coupling of the yarn pick-up member (8) and the yarn end (2d) is released.
  • the traverse drum (3) reverse rotates and the full package (4) reverse rotates (rotation in the unwinding direction) until the joint (2c) wound into the last wound part of the full package (4) is sucked up by the dust box (10c) of the yarn suction member (10).
  • This reverse rotation time of the full package (4) may be controlled by the reverse rotation count of the traverse drum (3) or the reverse rotation time of the traverse drum (3) as the position of the joint (2c) wound onto the last wound part of the full package (4) is approximately uniform.
  • a joint detection sensor may be arranged on the entrance (10c') or the like of the dust box (10c) and the rotation of the traverse drum (3) may be stopped when that joint detection sensor detects the joint (2c).
  • a cutter (not shown) positioned at the entrance (10c') of the dust box (10c) is operated and cuts the yarn (2) sucked into the dust box (10c) while the suction operation of the suction pipe (10a) stops.
  • (10d) is a known air suction device arranged at some point along the suction pipe (10a).
  • the traverse drum (3) is operated and due to the rotation of the winding package (4) in the winding direction, the yarn (2) remaining in the suction pipe (10a) is wound onto the full package (4) and afterwards the rotation of the traverse drum (3) stops.
  • the cradle arm that supports the full package (4) opens and doffing of the full package (4) is carried out.
  • the full package (4) is ejected from the winding position and as shown in Figure 3(A), a winding tube (5) is positioned between the gripping plates (11a,11b) of the cradle arm.
  • the clamp cutter (9a) of the clamp cutter member (9) that grips the yarn end (2e) of the yarn (2) at the supply yarn package (1,1A) is moved to above the aforementioned winding tube (5) and the yarn end (2e) by the clamp cutter (9a) is positioned between one edge (5a) of the winding tube (5) and one gripping plate (11b) of the cradle arm.
  • the gripping plates (11a,11b) of the cradle arm are brought together and the yarn end (2e) gripped by the clamp cutter (9a) is trapped by one edge (5a) of the winding tube (5) and one gripping plate (11b) of the cradle arm.
  • the doffing device (D) moves to the stand-by position or to the next winding unit (W) when a doffing operation is required.
  • the joint wound onto the full package (4) may be removed from the winding package (4) and a winding package can be formed with no joint (2c) in a fixed position of the last wound part. Further, removal of the joint (2c) part also means removal of part of the yarn of the next supply yarn package (1A) in the case of Figure 6. Accordingly, there is no winding of the yarn of the next supply yarn package (1A) on the winding package (4). Furthermore, more yarn of the last wound part than the joint (2c) is removed.
  • a predetermined amount of the yarn of the last wound part of the winding package (4), until the yarn of the innermost layer of the supply yarn package (1A) is unwound may be removed by the winding yarn suction guide means (SP).
  • the yarn wound on the winding package (4) is unwound by reverse rotating the traverse drum (3) and the unwound yarn is sucked by the suction guide means (SP).
  • the sucked yarn is cut away from the winding package (4) by a cutter arranged on the yarn piecing device (S) and removed.
  • the doffing device (D) is modified so that the yarn end of the supply yarn package (1,1A) may be directly gripped by the doffing device (D) close to the supply yarn package (1,1A), it is no longer necessary to join the yarn from the supply yarn package (1,1A) to the winding package (4) before doffing. Accordingly, if the yarn of the last wound part of the winding package (4) is removed by the winding yarn suction guide means (SP), it is no longer necessary to arrange a suction means such as the suction member (10) or the like on the doffing device (D). In this case, it is preferable not to allow yarn piecing after a joint has been formed.
  • the doffing device (D) is arranged so that it runs in front of the winding units (W) of the auto-winder along a rail (12) arranged on a ceiling or the like. Wheels (d1) that contact with the rail (12) are arranged on the doffing device (D).
  • (10c) is the previously described dust box (10c) that stores yarn waste such as joints (2c) wound on the last wound part of the full package (4) (13) is a side box incorporated with a drive device and control device and the like arranged on one side of the auto-winder.
  • An air suction device (14) provided with a filter is positioned in the side box (13).
  • (15) is a connector plate positioned on one side of the auto-winder and a hole (15a) is bored in the connector plate (15).
  • the rear surface on which is positioned the hole (15a) of the connector plate (15) and the air suction device (14) are connected by a duct (16).
  • (17) is a butterfly shutter of which the front elevation is V-shaped, which is positioned on the front surface of the connector plate (15) and is arranged so that it is able to swivel to the left and right about a shaft (18).
  • the butterfly shutter (17) normally slants to the left as shown in Figure 4 so that the right side (17a) of the butterfly shutter (17) closes the hole (15a) bored in the connector plate (15).
  • a hole (19) is bored on the rear side of the dust box (10c) and a pipe (20) is connected to that hole (19).

Landscapes

  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Coiling Of Filamentary Materials In General (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Claims (3)

  1. Verfahren zum Entfernen überschüssigen Fadens von einer Auflaufspule (4), bevor oder wenn das Umsetzen der Auflaufspule durchgeführt wird, wobei die Auflaufspule durch Aufspulen eines von einer Fadenlieferspule (1, 1A) abgewickelten Fadens erhalten wird und der überschüssige Faden entweder
    eine bestimmte Fadenmenge des zuletzt aufgespulten Teils der Auflaufspule oder eine bestimmte Fadenmenge des Teils der innersten Schicht der Fadenlieferspule ist, der auf den zuletzt aufgespulten Teil der Auflaufspule gespult wurde,
    oder eine bestimmte Fadenmenge des Teils der äußeren Schicht einer nächsten Fadenlieferspule ist, der auf den zuletzt aufgespulten Teil der Auflaufspule in Fortsetzung des Teils der innersten Schicht der vorherigen Fadenlieferspule aufgespult wurde, die leer wurde,
    wobei das Verfahren die folgenden Schritte umfasst:
    Schneiden des Fadens zwischen der Fadenlieferspule und der Auflaufspule, wenn der überschüssige Faden eine bestimmte Fadenmenge des zuletzt aufgespulten Teils der Auflaufspule oder eine bestimmte Fadenmenge des Teils der äußeren Schicht einer nächsten Fadenlieferspule ist, der auf den zuletzt aufgespulten Teil der Auflaufspule in Fortsetzung des Teils der innersten Schicht der vorherigen Fadenlieferspule, die leer wurde, aufgespult wurde,
    Drehen der Auflaufspule in der Abspulrichtung,
    Ansaugen des überschüssigen Fadens,
    Schneiden des überschüssigen, von der Auflaufspule abgesaugten Fadens.
  2. Vorrichtung zum Entfernen überschüssigen Fadens von einer Auflaufspule (4), bevor oder wenn das Umsetzen der Auflaufspule durchgeführt wird, wobei die Auflaufspule durch Aufspulen eines von einer Fadenlieferspule (1, 1A) abgespulten Fadens erhalten wird und der überschüssige Faden entweder ist:
    eine bestimmte Fadenmenge des zuletzt aufgespulten Teils der Auflaufspule oder eine bestimmte Fadenmenge des Teils der innersten Schicht der Fadenlieferspule, der auf den zuletzt aufgespulten Teil der Auflaufspule gespult wurde, oder
    eine bestimmte Fadenmenge des Teils der äußeren Schicht einer nächsten Fadenlieferspule, der auf den zuletzt aufgespulten Teil der Auflaufspule in Fortsetzung des Teils der innersten Schicht der vorherigen Fadenlieferspule, die leer wurde, aufgespult wurde,
    wobei die Vorrichtung eine erste Einrichtung (9) zum Schneiden des Fadens zwischen der Fadenlieferspule und der Auflaufspule, eine Einrichtung (10) zum Ansaugen des überschüssigen Fadens, eine Einrichtung (3) zum Drehen der Auflaufspule in der Abspulrichtung und eine zweite Einrichtung zum Schneiden des überschüssigen Fadens, der durch die Saugeinrichtung von der Auflaufspule abgesaugt wurde, hat, wobei jede dieser Einrichtungen in Verbindung mit einer Vorrichtung zum Umsetzen der Auflaufspule arbeitet.
  3. Vorrichtung nach Anspruch 2, bei der die Umsetzvorrichtung (D) so ausgebildet ist, daß sie längs mehrere Spulstellen läuft, ein Staubbehälter (10c), der den entfernten Faden des zuletzt aufgespulten Teils sammelt, an der Umsetzvorrichtung angeordnet ist, und eine Beseitigungseinrichtung (14) zum Beseitigen des in dem Sammelbehälter gesammelten Fadens auf einer Seite der die mehreren Spulstellen umfassenden Maschine angeordnet ist.
EP96120196A 1996-02-05 1996-12-16 Verfahren und Vorrichtung zum Entfernen von überflüssigem Faden einer Spule Expired - Lifetime EP0787674B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP42085/96 1996-02-05
JP4208596 1996-02-05
JP04208596A JP3572782B2 (ja) 1996-02-05 1996-02-05 巻取パッケージの不要糸除去方法及びその装置

Publications (3)

Publication Number Publication Date
EP0787674A2 EP0787674A2 (de) 1997-08-06
EP0787674A3 EP0787674A3 (de) 1998-01-14
EP0787674B1 true EP0787674B1 (de) 2001-05-23

Family

ID=12626203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96120196A Expired - Lifetime EP0787674B1 (de) 1996-02-05 1996-12-16 Verfahren und Vorrichtung zum Entfernen von überflüssigem Faden einer Spule

Country Status (5)

Country Link
EP (1) EP0787674B1 (de)
JP (1) JP3572782B2 (de)
KR (1) KR100307331B1 (de)
CN (1) CN1159419A (de)
DE (1) DE69612953T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10310972A (ja) * 1997-04-30 1998-11-24 Murata Mach Ltd 染色糸の巻き取り方法
DE10106701A1 (de) * 2001-02-14 2002-08-29 Schlafhorst & Co W Verfahren und Vorrichtung zur Bearbeitung von Färbespulen
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
DE102005052807A1 (de) * 2005-11-05 2007-05-10 Saurer Gmbh & Co. Kg Verfahren zum Umspulen von Färbespulen auf Kreuzspulen
WO2011040544A1 (ja) * 2009-09-30 2011-04-07 村田機械株式会社 糸巻取装置
DE102010055575A1 (de) 2010-12-21 2012-06-21 Oerlikon Textile Gmbh & Co. Kg Verfahren zur Herstellung einer Färbespule
JP2013067900A (ja) * 2011-09-21 2013-04-18 Murata Mach Ltd 紡績機
CH712663A1 (de) * 2016-07-14 2018-01-15 Rieter Ag Maschf Verfahren zum Verarbeiten eines strangförmigen Faserverbands sowie Vorspinnmaschine.
JP6829044B2 (ja) * 2016-10-20 2021-02-10 Ｔｍｔマシナリー株式会社 糸掛けロボット
EP3753885A1 (de) * 2019-06-19 2020-12-23 Heberlein AG Ansaugvorrichtung für eine textilmaschine, textilmaschine mit einer ansaugvorrichtung, verwendung von zwei zyklonelementen und verfahren zum ansaugen von garnen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778996A (en) * 1970-08-27 1973-12-18 Barber Colman Co Method for doffing a bobbin and forming a transfer tail
JPS61257874A (ja) * 1985-04-05 1986-11-15 Murata Mach Ltd 自動ワインダ−における巻取制御方法

Also Published As

Publication number Publication date
JP3572782B2 (ja) 2004-10-06
JPH09208130A (ja) 1997-08-12
DE69612953T2 (de) 2002-03-28
EP0787674A3 (de) 1998-01-14
CN1159419A (zh) 1997-09-17
KR970061748A (ko) 1997-09-12
KR100307331B1 (ko) 2001-12-17
DE69612953D1 (de) 2001-06-28
EP0787674A2 (de) 1997-08-06

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