EP3403961B1 - Yarn breakage sensor for textile apparatuses - Google Patents

Yarn breakage sensor for textile apparatuses Download PDF

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Publication number
EP3403961B1
EP3403961B1 EP18167173.6A EP18167173A EP3403961B1 EP 3403961 B1 EP3403961 B1 EP 3403961B1 EP 18167173 A EP18167173 A EP 18167173A EP 3403961 B1 EP3403961 B1 EP 3403961B1
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EP
European Patent Office
Prior art keywords
yarn
detection element
yarn breakage
rod
sensor according
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
EP18167173.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3403961A1 (en
Inventor
Giorgio Bertocchi
Pietro Zenoni
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.)
LGL Electronics SpA
Original Assignee
LGL Electronics SpA
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Publication date
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Application filed by LGL Electronics SpA filed Critical LGL Electronics SpA
Publication of EP3403961A1 publication Critical patent/EP3403961A1/en
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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
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/028—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/32—Counting, measuring, recording or registering devices
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • D04B15/482—Thread-feeding devices comprising a rotatable or stationary intermediate storage drum from which the thread is axially and intermittently pulled off; Devices which can be switched between positive feed and intermittent feed
    • D04B15/484—Yarn braking means acting on the drum
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/10—Indicating, warning, or safety devices, e.g. stop motions
    • D04B35/14—Indicating, warning, or safety devices, e.g. stop motions responsive to thread breakage
    • 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 yarn can be fed to a downstream textile machine, particularly a knitting machine, by an "accumulator" yarn feeder.
  • the aim of the present invention is to provide a yarn breakage sensor for textile apparatuses that overcomes the above mentioned drawbacks of conventional systems, and in particular makes it possible to adjust the reactivity of the sensor, including on the basis of the yarn count and yarn type being processed, without modifying the return force of the spring.
  • the sensor 10 is fixed to an arm 18 that protrudes longitudinally from the body of the feeder 12, and intercepts the yarn immediately downstream of a weft braking device 19 applied to the output of the drum 14.
  • the position of the magnet with respect to the arm 24 is fixed, while the position of the Hall effect sensor with respect to the body 20 is adjustable.
  • a reverse solution would also be possible, with the Hall effect sensor fixed and the magnet mounted on the rod in a position that can be adjusted along the trajectory of the magnet proper.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • Knitting Machines (AREA)
  • Looms (AREA)
EP18167173.6A 2017-05-17 2018-04-13 Yarn breakage sensor for textile apparatuses Active EP3403961B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000053150A IT201700053150A1 (it) 2017-05-17 2017-05-17 Sensore di rottura del filato per apparati tessili

Publications (2)

Publication Number Publication Date
EP3403961A1 EP3403961A1 (en) 2018-11-21
EP3403961B1 true EP3403961B1 (en) 2020-07-08

Family

ID=60020376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18167173.6A Active EP3403961B1 (en) 2017-05-17 2018-04-13 Yarn breakage sensor for textile apparatuses

Country Status (3)

Country Link
EP (1) EP3403961B1 (it)
CN (1) CN108946327B (it)
IT (1) IT201700053150A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110257973A (zh) * 2019-06-28 2019-09-20 台嘉玻璃纤维有限公司 一种纱架单锭张力自动侦测装置及系统

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438188A (en) 1966-10-11 1969-04-15 Allied Chem Yarn defect detecting device
US3689963A (en) 1969-01-23 1972-09-12 Karl Frei Thread sensing arrangement
US3867592A (en) 1972-12-14 1975-02-18 Antonio Sala Quellos Stop motion switch for controlling thread tension in a textile machine
US3896640A (en) 1973-04-09 1975-07-29 Lebocey Industrie Device for the detection of excessive thread tension and thread breakage
GB2058150A (en) 1979-09-11 1981-04-08 Frei Gmbh & Co Geb Controlling and monitoring thread in textile machines
EP0224797A1 (en) 1985-11-18 1987-06-10 Aktiebolaget Iro Yarn Feeding device
DE9404514U1 (de) 1994-03-17 1994-05-19 Wiechert Steuerungsbau Gmbh Steuergerät für eine Pumpanlage
DE69319388T2 (de) 1992-07-28 1999-03-04 Btsr Int Spa Vorrichtung zum Steuern der Zufuhr mindestens eines Fadens zu einer Textilmaschine zur Kompensation von Zug und übermässiger Spannung, die am Faden ausgeübt werden
DE19932483A1 (de) 1999-07-12 2001-01-18 Memminger Iro Gmbh Fadenliefergerät mit gewichtsentlastetem Absteller
CN2825677Y (zh) 2005-06-30 2006-10-11 张如山 针织横机挑线架
WO2008017319A1 (de) 2006-08-09 2008-02-14 Memminger-Iro Gmbh Fadenliefergerät mit neuartigem fadenfühler
CN201186989Y (zh) 2008-02-22 2009-01-28 张如山 针织横编机挑线架
CN102888705A (zh) 2012-10-22 2013-01-23 江苏金龙科技股份有限公司 电脑针织横编机的纱线张力调整装置
CN204211930U (zh) 2014-09-26 2015-03-18 泉州市永祺塑胶电子有限公司 挑线架装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1003084B (zh) * 1985-04-23 1989-01-18 古斯塔夫·梅明格 针织圆机用的喂纱装置
EP0679599A3 (de) * 1994-04-29 1996-10-30 Rieter Ag Maschf Faserband-Überwachungseinrichtung.
US6467314B1 (en) * 1999-02-09 2002-10-22 Memminger-Iro Gmbh Method and apparatus for pairing threads in textile machine
EP1256540A3 (en) * 2001-05-11 2003-07-16 Murata Kikai Kabushiki Kaisha Yarn winding machine and yarn winding method
JP2010180007A (ja) * 2009-02-04 2010-08-19 Murata Machinery Ltd 糸処理方法及び紡績機
CN205011155U (zh) * 2015-09-29 2016-02-03 浙江锦马自动化科技有限公司 一种纱线断纱检测装置
CN205529286U (zh) * 2016-03-10 2016-08-31 福建富隆达贸易有限公司 具有急停警报功能的输纱器
CN205772455U (zh) * 2016-05-29 2016-12-07 江西太平洋电缆集团有限公司 一种线缆生产断线检测装置

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438188A (en) 1966-10-11 1969-04-15 Allied Chem Yarn defect detecting device
US3689963A (en) 1969-01-23 1972-09-12 Karl Frei Thread sensing arrangement
US3867592A (en) 1972-12-14 1975-02-18 Antonio Sala Quellos Stop motion switch for controlling thread tension in a textile machine
US3896640A (en) 1973-04-09 1975-07-29 Lebocey Industrie Device for the detection of excessive thread tension and thread breakage
GB2058150A (en) 1979-09-11 1981-04-08 Frei Gmbh & Co Geb Controlling and monitoring thread in textile machines
EP0224797A1 (en) 1985-11-18 1987-06-10 Aktiebolaget Iro Yarn Feeding device
DE69319388T2 (de) 1992-07-28 1999-03-04 Btsr Int Spa Vorrichtung zum Steuern der Zufuhr mindestens eines Fadens zu einer Textilmaschine zur Kompensation von Zug und übermässiger Spannung, die am Faden ausgeübt werden
DE9404514U1 (de) 1994-03-17 1994-05-19 Wiechert Steuerungsbau Gmbh Steuergerät für eine Pumpanlage
DE19932483A1 (de) 1999-07-12 2001-01-18 Memminger Iro Gmbh Fadenliefergerät mit gewichtsentlastetem Absteller
CN2825677Y (zh) 2005-06-30 2006-10-11 张如山 针织横机挑线架
WO2008017319A1 (de) 2006-08-09 2008-02-14 Memminger-Iro Gmbh Fadenliefergerät mit neuartigem fadenfühler
CN201186989Y (zh) 2008-02-22 2009-01-28 张如山 针织横编机挑线架
CN102888705A (zh) 2012-10-22 2013-01-23 江苏金龙科技股份有限公司 电脑针织横编机的纱线张力调整装置
CN204211930U (zh) 2014-09-26 2015-03-18 泉州市永祺塑胶电子有限公司 挑线架装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ALLEGRO: "HALL - EFFEKT IC APPLICATION GUIDE", ALLEGRO - APPLICATION NOTE 27701B, 1987, pages 1 - 36, XP055796684
ANONYMOUS: "Reed Technologie", STANDEX MEDER - DATENBUCH, 20 November 2014 (2014-11-20), XP055796682, Retrieved from the Internet <URL:https://standexelectronics.com/wp-content/uploads/SME_Reed_Technologie_Datenbuch_DE.pdf>

Also Published As

Publication number Publication date
CN108946327B (zh) 2021-07-27
EP3403961A1 (en) 2018-11-21
CN108946327A (zh) 2018-12-07
IT201700053150A1 (it) 2018-11-17

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