EP4074639B1 - Wickelmaschine mit verbessertem motorischem fadenendverlängerungshebel und zugehöriges verfahren zum steuern der position des fadenendverlängerungshebels - Google Patents

Wickelmaschine mit verbessertem motorischem fadenendverlängerungshebel und zugehöriges verfahren zum steuern der position des fadenendverlängerungshebels Download PDF

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Publication number
EP4074639B1
EP4074639B1 EP22164640.9A EP22164640A EP4074639B1 EP 4074639 B1 EP4074639 B1 EP 4074639B1 EP 22164640 A EP22164640 A EP 22164640A EP 4074639 B1 EP4074639 B1 EP 4074639B1
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EP
European Patent Office
Prior art keywords
yarn
extension lever
end extension
winding machine
yarn end
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.)
Active
Application number
EP22164640.9A
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English (en)
French (fr)
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EP4074639A1 (de
Inventor
Massimo Velludo
Mauro Del Pup
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.)
Savio Macchine Tessili SpA
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Savio Macchine Tessili SpA
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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
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/023—Hank to spool winders
    • 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
    • B65H67/083—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement handling the yarn-end of the new supply package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
    • B65H69/061—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing using pneumatic means
    • 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 winding machine provided with an improved motorized yarn end extension lever and to the relative method of controlling the position of the yarn end extension lever.
  • the automatic winding machine includes several winding units that allow the yarn to be unwound from several bobbins or from a reel to wind it into a new reel: during this process, defects are eliminated from the unwound yarn, before rewinding said yarn onto the reel.
  • the term “yarn” or “monofilament” or “continuous yarn” means a single filament or continuous strand (for example in the case of silk, artificial, or synthetic fibers), while the term “yarn” means the set of fibrils of variable length that are parallelized and joined by twisting. In the following, one or the other term will be used without distinction, it being understood that the applications of this invention are not limited to either type.
  • each winding unit there is a yarn quality control sensor, also called clearer, which verifies the "fitness" of the yarn being unwound; when a defect is detected, the yarn is cut and the winding is immediately interrupted; the cycle then starts with the aim of eliminating the portion of yarn containing the defect from the bobbin and capturing and then bringing the two ends of the yarn (one coming from the reel and the other from the bobbin) inside the joining device by means of two dedicated end gripping nozzles.
  • a yarn quality control sensor also called clearer
  • the two yarns are introduced in the right position inside the yarn-joiner device and also with the right tension before starting the joining cycle: in particular, the appearance, the resistance and the repeatability of the joining process are increasingly pressing demands from end customers.
  • the joining cycle starts, joining the two ends recreating the yarn and one is then ready to start again with the reeling.
  • the restart after a joining cycle is also a critical step, because the yarn must return to its natural winding path without creating sudden changes in tension or twisting of the yarn which may be seen by the clearer (3) as defects and generate unjustified cuts, interruptions not due to winding and therefore loss of production.
  • reference numeral 4 globally denotes an overall view of a winding machine according to the present invention.
  • the winding machine 4 comprises at least one winding unit 6, each having a bobbin 8 provided with a yarn 10 wound around a tube 12, and a reel 14 comprising said yarn 10 unwound from said bobbin 8 and in turn wound on a relative tube 12.
  • the winding unit 6 also comprises means for unwinding the yarn 10 from the bobbin 8 and winding the yarn 10 onto the reel 14 in a known manner.
  • the winding unit 6 comprises a yarn quality control device 16, called clearer, fitted with a quality sensor 18 operatively connected to yarn cutting means operable in the event of detection of a defect by said quality sensor 18.
  • the cutting means of the yarn-joiner device 22 may be either on the clearer edge or separate.
  • the winding unit 6 also comprises a yarn-joiner device 22 configured to join together the yarn ends generated by the cutting of the yarn 10 by said cutting means 20, a first end 24 being connected to the yarn 10 on the bobbin side 8 and a second end 26 being connected to the yarn 10 on the spool side 14.
  • the winding unit 6 comprises a yarn end extension lever 28 configured to move from a rest position 28a in which it does not interfere with the winding path of the yarn to a gripping position 28b of the first end 24 in which it grips said first end 24 and to a release position 28c of the first end 24 in which it places the first end 24 at the yarn-joiner device 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Winding Filamentary Materials (AREA)
  • Replacement Of Web Rolls (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Claims (16)

  1. Wickelmaschine (4), umfassend eine Mehrzahl von Wickeleinheiten (6):
    - eine Spule (8) mit einem Garn (10), das um eine Hülse (12) gewickelt ist,
    - eine Rolle (14), die das von der Spule (8) abgewickelte Garn (10) umfasst,
    - Mittel zum Abwickeln des Garns (10) von der Spule (8) und Aufwickeln auf die Rolle (14),
    - eine Garnqualitätskontrollvorrichtung (16), die mit einem Qualitätssensor (18) ausgestattet ist, der operativ mit Garnschneidemitteln (10) verbunden ist, die im Falle einer Detektion eines Defekts durch den Qualitätssensor (18) operabel sind,
    - eine Garnverbindungsvorrichtung (22), die konfiguriert ist, die Enden des Garns (10), die durch das Schneiden des Garns (10) durch die Schneidemittel erzeugt werden, miteinander zu verbinden, wobei ein erstes Ende (24) mit dem Garn (10) auf der Spulenseite (8) verbunden ist und ein zweites Ende (26) mit dem Garn (10) auf der Rollenseite (14) verbunden ist,
    - einen Garnendenverlängerungshebel (28), der konfiguriert ist, sich von einer Ruheposition (28a), in der er den Wickelweg des Garns (10) nicht beeinträchtigt, zu einer Greifposition (28b) des ersten Endes (24), in der er das erste Ende (24) greift, und zu einer Freigabeposition (28c) des ersten Endes (24) zu bewegen, in der er das erste Ende (24) an der Garnverbindungsvorrichtung (22) platziert,
    - wobei der Garnendenverlängerungshebel (28) mit seinen eigenen unabhängigen Antriebsmitteln (30) für seine Positionierung zwischen der Ruhe- (28a), der Greif- (28b) und der Freigabeposition (28c) versehen ist,
    dadurch gekennzeichnet, dass die Antriebsmittel (30) operativ mit einer programmierbaren Steuer- bzw. Regeleinheit (34) verbunden sind, um die Ruhe- (28a) und/oder die Greif- (28b) und/oder die Freigabeposition (28c) zu variieren.
  2. Wickelmaschine (4) nach Anspruch 1, wobei der Garnendenverlängerungshebel (28) mit einem Positionssensor (32) zum Steuern bzw. Regeln seiner Position versehen ist.
  3. Wickelmaschine (4) nach Anspruch 2, wobei der Garnendenverlängerungshebel (28) mit einer Steuer- bzw. Regeleinheit (34) versehen ist, die operativ mit den Antriebsmitteln (30) und dem Positionssensor (32) verbunden ist, um die Position des Garnendenverlängerungshebels (28) zu steuern bzw. zu regeln.
  4. Wickelmaschine (4) nach Anspruch 2 oder 3, wobei der Positionssensor (32) vom induktiven Typ oder Hall-Effekt-Typ ist.
  5. Wickelmaschine (4) nach Anspruch 1, 2, 3 oder 4, wobei der Garnendenverlängerungshebel (28) und/oder die Antriebsmittel (30) mit einem Encoder zum Steuern bzw. Regeln der Winkelposition des Garnendenverlängerungshebels (28) versehen sind.
  6. Wickelmaschine (4) nach einem der Ansprüche 1 bis 5, wobei die Antriebsmittel (30) einen Elektromotor umfassen.
  7. Wickelmaschine (4) nach Anspruch 6, wobei der Elektromotor (30) ein Elektromotor vom Schritttyp ist oder ein bürstenloser Motor oder ein DC-Elektromotor bzw. Gleichstrommotor oder ein elektrischer Linearmotor ist.
  8. Wickelmaschine (4) nach einem der Ansprüche 1 bis 5, wobei die Antriebsmittel (30) pneumatisch angetriebene Antriebsmittel umfassen.
  9. Wickelmaschine (4) nach einem der Ansprüche 1 bis 8, wobei die Steuer- bzw. Regeleinheit (34) dahingehend programmierbar ist, zumindest eine Zwischenarbeitsposition des Garnendenverlängerungshebels (28) zwischen der Greif- (28b) und der Freigabeposition (28c) festzulegen.
  10. Wickelmaschine (4) nach einem der Ansprüche 1 bis 9, wobei die Steuer- bzw. Regeleinheit (34) dahingehend programmierbar ist, die Drehgeschwindigkeit des Garnendenverlängerungshebels (28) zu ändern, um zwischen der Ruhe-(28a) und/oder der Greif- (28b) und/oder der Freigabeposition (28c) zu wechseln.
  11. Wickelmaschine (4) nach einem der Ansprüche 1 bis 10, wobei die Antriebsmittel (30) in direkter Übertragung direkt auf den Garnendenverlängerungshebel (28) aufgekeilt bzw. aufgezogen sind.
  12. Verfahren zum Steuern bzw. Regeln der Position eines Garnendenverlängerungshebels (28) in einer Wickelmaschine (4), umfassend die Schritte:
    - Bereitstellen einer Wickelmaschine (4) nach Anspruch 1,
    - Befehlen bzw. Anordnen der Bewegung des Garnendenverlängerungshebels (28) zwischen der Ruhe- (28a), der Greif-(28b) und der Freigabeposition (28c) des ersten Endes (24).
  13. Verfahren zum Steuern bzw. Regeln der Position eines Garnendenverlängerungshebels (28) in einer Wickelmaschine (4) nach Anspruch 12, umfassend den Schritt eines Modifizierens des Griffs (28b) und der Freigabe (28c) des ersten Endes (24) gemäß den Betriebsbedingungen der Wickelmaschine (4), um die Spannung des Garns (10) auf der Spulenseite (8) vor dem Verbindungszyklus und speziell bzw. gezielt gemäß dem Typ des verwendeten Garns (10) einzustellen.
  14. Verfahren zum Steuern bzw. Regeln der Position eines Garnendenverlängerungshebels (28) in einer Wickelmaschine (4) nach Anspruch 12 oder 13, umfassend den Schritt eines Änderns der Drehgeschwindigkeit des Garnendenverlängerungshebels (28), um zwischen der Ruhe- (28a) und/oder der Greif- (28b) und/oder der Freigabeposition (28c) zu wechseln.
  15. Verfahren zum Steuern bzw. Regeln der Position eines Garnendenverlängerungshebels (28) in einer Wickelmaschine (4) nach Anspruch 12, 13 oder 14, umfassend den Schritt eines Definierens und/oder Modifizierens der Geschwindigkeit, mit welcher der Garnendenverlängerungshebel (28) nach erfolgter Verbindung bei Wiederaufnahme des Wickelns in seine Ruheposition (28a) zurückkehrt, um das Garn (10) auf der Spulenseite (8) zu steuern bzw. zu kontrollieren und freizugeben, wobei die Bildung von Knicken verhindert wird.
  16. Verfahren zum Steuern bzw. Regeln der Position eines Garnendenverlängerungshebels (28) in einer Wickelmaschine (4) nach Anspruch 12, 13, 14 oder 15, umfassend den Schritt eines Definierens weiterer Arbeitspositionen des Garnendenverlängerungshebels (28), die erreicht werden sollen, während die Garnverbindungsvorrichtung (22) die Verbindung herstellt, und auf synchronisierte Weise damit, um die Verbindung sowohl hinsichtlich Ästhetik als auch Widerstandsfähigkeit zu verbessern.
EP22164640.9A 2021-04-12 2022-03-28 Wickelmaschine mit verbessertem motorischem fadenendverlängerungshebel und zugehöriges verfahren zum steuern der position des fadenendverlängerungshebels Active EP4074639B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102021000009107A IT202100009107A1 (it) 2021-04-12 2021-04-12 Roccatrice con leva porgi-bandolo motorizzata perfezionata e relativo metodo di controllo della posizione della leva porgi-bandolo

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EP4074639A1 EP4074639A1 (de) 2022-10-19
EP4074639B1 true EP4074639B1 (de) 2025-04-02

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EP22164640.9A Active EP4074639B1 (de) 2021-04-12 2022-03-28 Wickelmaschine mit verbessertem motorischem fadenendverlängerungshebel und zugehöriges verfahren zum steuern der position des fadenendverlängerungshebels

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EP (1) EP4074639B1 (de)
CN (2) CN217478717U (de)
IT (1) IT202100009107A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100009107A1 (it) * 2021-04-12 2022-10-12 Savio Macch Tessili Spa Roccatrice con leva porgi-bandolo motorizzata perfezionata e relativo metodo di controllo della posizione della leva porgi-bandolo

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637033C2 (de) * 1986-10-31 1996-03-28 Schlafhorst & Co W Verfahren und Vorrichtung zum Vorlegen des mit einer Auflaufspule verbundenen Oberfadens an das Spleißaggregat einer Spulmaschine und zum Freigeben des Fadens nach dem Spleißvorgang
DE19640184B4 (de) * 1996-09-30 2005-10-13 Saurer Gmbh & Co. Kg Verfahren zum Ausreinigen von Garnfehlern an einer Spulstelle einer Spulmaschine
EP1457447B1 (de) * 2003-03-13 2012-06-06 Murata Kikai Kabushiki Kaisha Vorrichtung zur Fadenspannungsregelung und zur Beseitigung von Fadenlockerungen in einer Garnwickeleinrichtung
DE102006000824A1 (de) * 2006-01-05 2007-07-12 Saurer Gmbh & Co. Kg Fadenspleißvorrichtung für eine Kreuzspulen herstellende Textilmaschine
DE102006006390A1 (de) * 2006-02-11 2007-08-16 Saurer Gmbh & Co. Kg Fadenspleißvorrichtung für eine Kreuzspulen herstellende Textilmaschine
DE102009024037A1 (de) * 2009-06-05 2010-12-09 Oerlikon Textile Gmbh & Co. Kg Verfahren zur Behebung einer Fadenunterbrechung an einer Arbeitsstelle einer Spulmaschine und Arbeitsstelle einer Spulmaschine
EP2977494B1 (de) * 2014-07-24 2024-07-17 Stäubli Sargans AG Knüpfmaschine,Verfahren zum Knoten und eine Kettfadenbindemaschine mit der Knüpfmaschine
IT202100009107A1 (it) * 2021-04-12 2022-10-12 Savio Macch Tessili Spa Roccatrice con leva porgi-bandolo motorizzata perfezionata e relativo metodo di controllo della posizione della leva porgi-bandolo

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CN115196413A (zh) 2022-10-18
IT202100009107A1 (it) 2022-10-12
CN217478717U (zh) 2022-09-23
EP4074639A1 (de) 2022-10-19

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