EP3495542A3 - Warp knitting machine - Google Patents

Warp knitting machine Download PDF

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Publication number
EP3495542A3
EP3495542A3 EP19164265.1A EP19164265A EP3495542A3 EP 3495542 A3 EP3495542 A3 EP 3495542A3 EP 19164265 A EP19164265 A EP 19164265A EP 3495542 A3 EP3495542 A3 EP 3495542A3
Authority
EP
European Patent Office
Prior art keywords
warp
knitted fabric
processing unit
data processing
knitting machine
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
EP19164265.1A
Other languages
German (de)
French (fr)
Other versions
EP3495542B1 (en
EP3495542A2 (en
Inventor
Frank Harmeling
Klaus Brandl
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.)
Karl Mayer Stoll R&D GmbH
Original Assignee
Karl Mayer Textilmaschinenfabrik GmbH
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 Karl Mayer Textilmaschinenfabrik GmbH filed Critical Karl Mayer Textilmaschinenfabrik GmbH
Priority to EP19164265.1A priority Critical patent/EP3495542B1/en
Publication of EP3495542A2 publication Critical patent/EP3495542A2/en
Publication of EP3495542A3 publication Critical patent/EP3495542A3/en
Priority to CN201911164872.0A priority patent/CN111719233B/en
Priority to TW109104355A priority patent/TWI740373B/en
Priority to KR1020200030849A priority patent/KR102387218B1/en
Application granted granted Critical
Publication of EP3495542B1 publication Critical patent/EP3495542B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • 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
    • 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
    • D04B35/20—Indicating, warning, or safety devices, e.g. stop motions responsive to defects, e.g. holes, in knitted products
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B37/00—Auxiliary apparatus or devices for use with knitting machines
    • D04B37/06—Auxiliary apparatus or devices for use with knitting machines with warp knitting machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

Die Erfindung betrifft eine Kettenwirkmaschine (1) mit einem Wirkbereich (5), in dem die Kettenwirkmaschine(1) bei einem Wirkprozess eine Wirkware (2) erzeugt, mit einem Fadenzuführungsbereich (3), in dem beim Betrieb der Kettenwirkmaschine (1) Kettfäden (4) verlaufen, bevor sie dem Wirkprozess in dem Wirkbereich (5) unterworfen werden, und mit einem System zur Überwachung einer Warenqualität der erzeugten Wirkware (2), wobei das System zur Überwachung der Warenqualität der erzeugten Wirkware (2) eine optische Abtastvorrichtung (7) und eine Datenverarbeitungseinheit aufweist, und wobei die Datenverarbeitungseinheit dazu eingerichtet ist, ein Bewertungssignal betreffend die Warenqualität der Wirkware (2) zu erzeugen. Erfindungsgemäß ist die optische Abtastvorrichtung (7) so angeordnet, dass sie ein Bewegtbild von mindestens einem Kettfaden (4) in dem Fadenzuführungsbereich (3) erfassen kann, wobei die Datenverarbeitungseinheit dazu eingerichtet ist, aus dem Bewegtbild eine Fadenlaufgeschwindigkeit des mindestens einen Kettfadens (4) zu ermitteln, die Fadenlaufgeschwindigkeit in einem Bewertungsschritt auszuwerten und in Abhängigkeit von einem Auswertungsergebnis des Bewertungsschritts das Bewertungssignal zu erzeugen.

Figure imgaf001
The invention relates to a warp knitting machine (1) with a knitting area (5), in which the warp knitting machine (1) produces a knitted fabric (2) during a knitting process, with a thread supply area (3) in which warp threads (FIG. 4) before they are subjected to the knitting process in the knitted area (5) and with a system for monitoring a product quality of the knitted fabric (2) produced, wherein the system for monitoring the product quality of the knitted fabric (2) produced comprises an optical scanning device (7 ) and a data processing unit, and wherein the data processing unit is adapted to generate an evaluation signal concerning the product quality of the knitted fabric (2). According to the invention, the optical scanning device (7) is arranged so that it can detect a moving image of at least one warp thread (4) in the thread supply region (3), wherein the data processing unit is adapted to produce from the moving image a yarn running speed of the at least one warp thread (4). to determine, to evaluate the yarn running speed in an evaluation step and to generate the evaluation signal depending on an evaluation result of the evaluation step.
Figure imgaf001
EP19164265.1A 2019-03-21 2019-03-21 Warp knitting machine, method for monitoring the quality of a warp knit and system therefore Active EP3495542B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19164265.1A EP3495542B1 (en) 2019-03-21 2019-03-21 Warp knitting machine, method for monitoring the quality of a warp knit and system therefore
CN201911164872.0A CN111719233B (en) 2019-03-21 2019-11-25 Warp knitting machine
TW109104355A TWI740373B (en) 2019-03-21 2020-02-12 Warp knitting machine and method and system for warp knitting machine
KR1020200030849A KR102387218B1 (en) 2019-03-21 2020-03-12 Warp knitting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19164265.1A EP3495542B1 (en) 2019-03-21 2019-03-21 Warp knitting machine, method for monitoring the quality of a warp knit and system therefore

Publications (3)

Publication Number Publication Date
EP3495542A2 EP3495542A2 (en) 2019-06-12
EP3495542A3 true EP3495542A3 (en) 2019-10-09
EP3495542B1 EP3495542B1 (en) 2021-05-19

Family

ID=65904163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19164265.1A Active EP3495542B1 (en) 2019-03-21 2019-03-21 Warp knitting machine, method for monitoring the quality of a warp knit and system therefore

Country Status (4)

Country Link
EP (1) EP3495542B1 (en)
KR (1) KR102387218B1 (en)
CN (1) CN111719233B (en)
TW (1) TWI740373B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3401582A1 (en) * 1984-01-18 1985-07-25 Christoph 7341 Wernau Ludwig Method and device for stopping knitting machines when faults occur in the yarn feed
DE3733791A1 (en) * 1987-10-06 1989-04-27 Herbst Protechna Gmbh METHOD AND DEVICE FOR THE OPTICAL MONITORING OF A KNITWEAR
CN204803513U (en) * 2015-05-22 2015-11-25 苏州三立自动化设备有限公司 Tricot machine with broken string detects function
EP3333292A1 (en) * 2016-12-12 2018-06-13 Karl Mayer Textilmaschinenfabrik GmbH Method and auxiliary device for the adjustment of a warp knitting machine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3909013A1 (en) * 1989-03-18 1990-09-20 Mayer Textilmaschf METHOD FOR PRODUCING A FLORAL-FITTED CHAIN-KNITTED GOODS AND RELATED CHAIN-KNITTING MACHINE
SE9900792D0 (en) * 1999-03-03 1999-03-03 Iro Patent Ag Method for monitoring run / stop conditions of a yarn
DE102008008211B4 (en) * 2007-12-06 2012-01-26 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Method and knitting machine for producing a knit fabric from an untwisted fiber material
CN101270544B (en) * 2008-04-29 2011-05-11 上海好力纺织机电制造有限公司 Parameter detecting device and method for textile weaving process
CN101515166B (en) * 2009-03-19 2012-07-04 杭州嘉拓科技有限公司 Device for monitoring yarn moving state and monitoring method for same
WO2012038916A2 (en) * 2010-09-25 2012-03-29 Elbit Vision Systems (Evs) Ltd. System and method for the management of the flow rate of a feed line
CN102493123B (en) * 2011-12-28 2013-09-25 长乐迈耶经编配件制造有限公司 Remote monitoring automatic thread stop system for textile tricot machine
CN202809176U (en) * 2012-08-30 2013-03-20 无锡信捷电气股份有限公司 Visual broken line detection system for warp knitting machine
CN203683859U (en) * 2013-11-01 2014-07-02 福建省尤溪县正泉布业有限公司 Yarn breakage detection device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3401582A1 (en) * 1984-01-18 1985-07-25 Christoph 7341 Wernau Ludwig Method and device for stopping knitting machines when faults occur in the yarn feed
DE3733791A1 (en) * 1987-10-06 1989-04-27 Herbst Protechna Gmbh METHOD AND DEVICE FOR THE OPTICAL MONITORING OF A KNITWEAR
CN204803513U (en) * 2015-05-22 2015-11-25 苏州三立自动化设备有限公司 Tricot machine with broken string detects function
EP3333292A1 (en) * 2016-12-12 2018-06-13 Karl Mayer Textilmaschinenfabrik GmbH Method and auxiliary device for the adjustment of a warp knitting machine

Also Published As

Publication number Publication date
EP3495542B1 (en) 2021-05-19
EP3495542A2 (en) 2019-06-12
TW202035818A (en) 2020-10-01
KR102387218B1 (en) 2022-04-15
KR20200112688A (en) 2020-10-05
TWI740373B (en) 2021-09-21
CN111719233A (en) 2020-09-29
CN111719233B (en) 2021-08-17

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