EP0936294A2 - Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine - Google Patents
Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine Download PDFInfo
- Publication number
- EP0936294A2 EP0936294A2 EP98123873A EP98123873A EP0936294A2 EP 0936294 A2 EP0936294 A2 EP 0936294A2 EP 98123873 A EP98123873 A EP 98123873A EP 98123873 A EP98123873 A EP 98123873A EP 0936294 A2 EP0936294 A2 EP 0936294A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- elasticity
- length
- fed
- higher elasticity
- 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
Links
Images
Classifications
-
- 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
- D04B15/50—Thread-feeding devices for elastic threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
- B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
- B65H59/387—Regulating unwinding speed
-
- 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
- D04B15/44—Tensioning devices for individual threads
-
- 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
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/80—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the thread guides used
-
- 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
- B65H2701/319—Elastic threads
Definitions
- the elastic Threads can be made from a wide variety of materials, such as elastomers or rubber compounds. She can also be spun from other threads. Depending on the material and structure of the threads differentiates their elasticity when tensile forces act on them from the thread guide of the knitting machine.
- the present invention is based on the object Process for making a knitted fabric with simultaneous Feeding two threads of different elasticity to the Propose needles that can be done with a flat knitting machine is and results in a completely even mesh.
- the task is carried out using a method of the type mentioned at the beginning Art solved according to the invention in that for each to be formed Increase the length of thread to be fed to a needle Elasticity from the supplied length of the thread less Elasticity and data on the material properties of the Thread calculated higher elasticity and a conveyor for the thread of higher elasticity according to the calculated Thread length to be fed is controlled.
- this method is the one to be fed separately for each stitch Length of the more elastic thread depending on its material properties and the supplied length of the Thread of lower elasticity determined. So you can always an optimal thread feed for all types of patterns and thread types to reach.
- a reduction factor with which multiplied the length of the thread of lower elasticity is to be fed the length of thread of higher elasticity to obtain is obtained from the data on the material properties of the thread higher elasticity calculated a reduction factor with which multiplied the length of the thread of lower elasticity is to be fed the length of thread of higher elasticity to obtain.
- the thread of higher elasticity must have a significantly lower tension inserted in the needle hook than the thread of less elasticity. This tension is built up by one according to the reduction factor less thread quantity than that of the thread with less elasticity is fed to form stitches.
- the Knitting direction can be considered by adding more thread higher Elasticity is supplied when the knitting direction is from the Conveying device for the thread of higher elasticity points away than when the knitting direction is facing the conveyor. In this way, an optimal tension of the thread is higher Elasticity guaranteed regardless of the direction of knitting.
- the length of the thread to be fed higher elasticity necessary information about the supplied Length of thread of lower elasticity can be, for example can be determined by a measuring device.
- the fed can also vary data supplied by a machine control unit about the respective stitch size of the thread lower elasticity, the Stitch sequence and the number of stitches in the respective Knitting course can be calculated.
- a measuring device can then omitted.
- the two threads of different elasticity can be a common thread guide or separate Thread guides are fed without affecting the procedure something changes.
- the invention also includes a flat knitting machine at least one needle bed for performing a method according to one of claims 1 to 6 and is characterized by a bobbin for the thread of lower elasticity, a conveyor for the thread of higher elasticity, at least a thread guide for the two threads of different elasticity, a machine control unit and a computing and Control unit for determining the length of the thread to be fed higher elasticity and to control the conveyor for the thread of higher elasticity.
- the conveyor can, similar to the conveyors for the elastic threads in circular knitting machines, two driven in the same direction, have parallel conveyor rollers of the same diameter, on which a bobbin with the thread of higher elasticity their scope.
- This conveyor can with a electric motor coupled to the computing and control unit be provided, whereby the peripheral speeds of the Conveyor rollers according to the calculated length to be fed of the thread regulates higher elasticity.
- a thread tensioner be for a voltage equalization with abrupt speed changes of the thread guide.
- a thread break sensor be for the thread higher elasticity provided a thread break sensor be.
- Thread feeding devices for a flat knitting machine for Carrying out the method according to the invention using the Drawing explained in more detail.
- Fig. 1 is a needle bed 10 of an otherwise not shown Flat knitting machine shown, to which by means of a Thread guide FF a thread of lower elasticity 11 and one Thread of higher elasticity 12 are supplied.
- the thread less Elasticity 11 is withdrawn from a spool 13 and via a thread tensioner 14 and a measuring device 15 Thread guide FF fed via several deflection rollers U1 to U7.
- the measuring device 15 constantly measures the one required for a stitch Length of thread of lower elasticity 11 and transmitted this size via a data line 16 to a Computing and control unit 17, which is connected via a data line 18 also with a machine control unit 19 of the flat knitting machine and via a control line 20 with a conveyor 21 connected to the thread of higher elasticity 12 is.
- the Fadens lower elasticity 11 receives the calculation and Control unit 17 from the machine control unit 19 information about the material properties of the thread of higher elasticity 12 and uses this to calculate the length of the Thread higher elasticity 12 and controls accordingly an electric motor 22 of the conveyor device 21 for the thread higher elasticity 12.
- the motor 22 drives two conveyor rollers 23 of the same diameter on which a coil 24 with the thread of higher elasticity 12 rests with its circumference. Each after the peripheral speed of the conveyor rollers 23 becomes more or less of the thread of higher elasticity 12 the thread guide FF fed. The thread becomes more elastic 12 directly from the bobbin 24 without further thread tensioning devices or the like fed to the thread guide FF. It is just another sensor 25 for detecting thread breaks in the Thread feed provided.
- the feed device 2 no measuring device 15 for measurement the supplied length of the thread of lower elasticity 11 intended.
- the computing and control unit 17 receives in addition the data on the yarn properties of the thread of higher elasticity 12 from a machine control unit 19 'also information less about the respective mesh sizes of the thread Elasticity 11, the stitch sequence and the number of stitches in the row of knitting and the direction of knitting. Calculated from this the computing and control unit 17 the length to be fed the thread of higher elasticity 12 and controls accordingly the conveyor device 21 for the thread of higher elasticity 12 on. From the data on the yarn properties of the thread higher Elasticity 12, a reduction factor is calculated, with which the supplied length of thread less elasticity 11 is multiplied by the length of the thread to be fed to obtain higher elasticity 12.
- the computing and control unit 17 recognizes whether the Thread guide FF of thread of higher elasticity 12 from the conveyor 21 moved away or towards this, and can thus the amount of thread when moving the thread guide FF from the Enlarge conveyor 21 away and on the move to reduce the conveyor 21. This ensures that the thread of higher elasticity 12 always the optimal Has thread tension. When thread is less elastic 11, the thread tensioner 14 ensures a constant thread tension.
Abstract
Description
- Fig. 1
- eine schematische Ansicht einer ersten Fadenzuführvorrichtung;
- Fig. 2
- eine schematische Ansicht einer zweiten Fadenzuführvorrichtung.
Claims (12)
- Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine unter gleichzeitiger Zuführung zweier Fäden unterschiedlicher Elastizität (11, 12) zu Nadeln der Flachstrickmaschine, dadurch gekennzeichnet, dass für jede zu bildende Masche die einer Nadel zuzuführende Länge des Fadens höherer Elastizität (12) aus der zugeführten Länge des Fadens geringerer Elastizität (11) und Daten über die Materialbeschaffenheit des Fadens höherer Elastizität (12) berechnet und eine Fördervorrichtung (21) für den Faden höherer Elastizität (12) entsprechend der berechneten zuzuführenden Fadenlänge angesteuert wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass aus den Daten über die Materialbeschaffenheit des Fadens höherer Elastizität (12) ein Minderungsfaktor berechnet wird, mit dem die Länge des Fadens geringerer Elastizität (11) multipliziert wird, um die zuzuführende Länge des Fadens höherer Elastizität (12) zu erhalten.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass mehr Faden höherer Elastizität (12) zugeführt wird, wenn die Strickrichtung von der Fördervorrichtung (21) für den Faden höherer Elastizität (12) wegweist, als wenn die Strickrichtung auf die Fördervorrichtung (21) zuweist.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die zugeführte Länge des Fadens geringerer Elastizität (11) durch eine Messeinrichtung (15) ermittelt wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die zugeführte Länge des Fadens geringerer Elastizität (11) aus von einer Maschinensteuereinheit (19') gelieferten Daten über die jeweilige Maschengröße des Fadens geringerer Elastizität (11), die Maschenfolge und die Anzahl der Maschen in der jeweiligen Strickreihe berechnet wird.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die beiden Fäden unterschiedlicher Elastizität (11, 12) einem gemeinsamen Fadenführer (FF) zugeführt werden.
- Flachstrickmaschine mit mindestens einem Nadelbett (10) zur Durchführung eines Verfahrens nach einem der Ansprüche 1 bis 6, gekennzeichnet durch eine Spule (13) für den Faden geringerer Elastizität (11), einer Fördervorrichtung (21) für den Faden höherer Elastizität (12), mindestens einem Fadenführer (FF) für die beiden Fäden unterschiedlicher Elastizität (11, 12), einer Maschinensteuereinheit (19, 19') und einer Rechen- und Steuereinheit (17) zur Ermittlung der zuzuführenden Länge des Fadens höherer Elastizität (12) und zur Ansteuerung der Fördervorrichtung (21) für den Faden höherer Elastizität (12).
- Flachstrickmaschine nach Anspruch 7, dadurch gekennzeichnet, dass die Fördervorrichtung (21) zwei gleichsinnig angetriebene, parallele Förderwalzen (23) gleichen Durchmessers aufweist, auf denen eine Spule (24) mit dem Faden höherer Elastizität (12) mit ihrem Umfang aufliegt.
- Flachstrickmaschine nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Fördervorrichtung (21) einen mit der Rechen- und Steuereinheit (17) gekoppelten Elektromotor (22) aufweist.
- Flachstrickmaschine nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass zwischen der Spule (13) für den Faden geringerer Elastizität (11) und dem Fadenführer (FF) ein Fadenspanner (14) angeordnet ist.
- Flachstrickmaschine nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass zwischen der Spule (13) für den Faden geringerer Elastizität (11) und dem mindestens einen Fadenführer (FF) eine Fadenlängenmesseinrichtung (15) angeordnet ist, die mit der Rechen- und Steuereinheit (17) gekoppelt ist.
- Flachstrickmaschine nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass ein Fadenbruchsensor (25) für den Faden höherer Elastizität (11, 12) vorgesehen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19801643A DE19801643A1 (de) | 1998-01-17 | 1998-01-17 | Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine |
DE19801643 | 1998-01-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0936294A2 true EP0936294A2 (de) | 1999-08-18 |
EP0936294A3 EP0936294A3 (de) | 2000-04-05 |
EP0936294B1 EP0936294B1 (de) | 2003-03-19 |
Family
ID=7854910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98123873A Expired - Lifetime EP0936294B1 (de) | 1998-01-17 | 1998-12-16 | Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US6170301B1 (de) |
EP (1) | EP0936294B1 (de) |
CN (1) | CN1265046C (de) |
DE (2) | DE19801643A1 (de) |
ES (1) | ES2190566T3 (de) |
HK (1) | HK1021554A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1741817A1 (de) * | 2005-07-07 | 2007-01-10 | L.G.L. Electronics S.p.A. | Faden-Rückzugsvorrichtung für Textilmaschinen |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10013776A1 (de) * | 2000-03-20 | 2001-10-11 | Iro Patent Ag Baar | Verfahren zum Eintragen eines Elastomer-Fadens und Fadenverarbeitungssystem |
DE10032705B4 (de) * | 2000-07-05 | 2006-11-16 | Memminger-Iro Gmbh | Fadenliefereinrichtung für Textilmaschinen |
FR2839321B1 (fr) * | 2002-05-03 | 2005-05-27 | Europ De La Maille Et Des Tiss | Procede et dispositif de tricotage d'articles tubulaires incluant une fibre elastique, et article fabrique ainsi |
US6640591B1 (en) * | 2002-11-12 | 2003-11-04 | Eugene Haban | Apparatus and method for production of fabrics |
CZ301577B6 (cs) * | 2003-04-15 | 2010-04-21 | UNIPLET TREBÍC, a.s. | Zpusob ovládání elastické nite a zarízení k provádení zpusobu |
JP4015984B2 (ja) * | 2003-10-17 | 2007-11-28 | 株式会社島精機製作所 | 横編機の糸供給装置 |
ITFI20040113A1 (it) * | 2004-05-14 | 2004-08-13 | Giovanni Corsani | Dispositivo alimentatore di filo |
JP4336303B2 (ja) * | 2004-12-16 | 2009-09-30 | 株式会社島精機製作所 | 横編機の給糸装置 |
JP4943803B2 (ja) * | 2006-10-12 | 2012-05-30 | 株式会社島精機製作所 | 編機での張力設定方法および編機 |
JP4943932B2 (ja) * | 2007-04-27 | 2012-05-30 | 株式会社島精機製作所 | 弾性糸の給糸機能を備える編機 |
CN102482814B (zh) * | 2009-06-09 | 2014-03-05 | 株式会社岛精机制作所 | 织机用的给纱装置和给纱方法 |
CN103015021B (zh) * | 2012-12-31 | 2015-01-21 | 加宝利服装有限公司 | 一种织物织造工艺、织造设备和系统 |
CN114892329B (zh) * | 2022-05-06 | 2023-06-27 | 江阴市傅博纺织有限公司 | 一种弹性可控的仿梭织哔叽针织面料及其生产方法 |
CN115231391A (zh) * | 2022-08-09 | 2022-10-25 | 上海崇湛智能科技有限公司 | 一种用于高分子材料的分卷机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1893808A (en) * | 1930-08-22 | 1933-01-10 | Gropper Sport Apparel Co Inc | Yarn carrier for knitting machines |
US3861176A (en) * | 1973-04-09 | 1975-01-21 | Pharr Yarns Inc | Apparatus for twisting together and knitting yarns |
DE3524220A1 (de) * | 1985-07-06 | 1987-01-08 | Stoll & Co H | Rberwachungseinrichtung im fadenablaufsystem einer flachstrickmaschine |
WO1988008893A1 (en) * | 1987-05-05 | 1988-11-17 | Aktiebolaget Iro | Process for smooth feed of elastic thread and circular knitting machine |
DE4032402A1 (de) * | 1990-10-12 | 1992-04-16 | Menninger Iro Gmbh | Verfahren und einrichtung zur fadensteuerung bei maschenbildenden textilmaschinen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2831180A1 (de) * | 1978-07-15 | 1980-01-24 | Bayer Ag | Verfahren und vorrichtung zur messung der laenge textiler gestrickter flaechengebilde |
DE3609719A1 (de) * | 1986-03-21 | 1987-10-01 | Schieber Universal Maschf | Verfahren und vorrichtung zum beeinflussen der laenge und des maschenbildes von strickstuecken |
DE8912962U1 (de) * | 1988-11-21 | 1990-01-25 | Henkel Kgaa, 4000 Duesseldorf, De | |
IT1255465B (it) * | 1992-07-28 | 1995-11-02 | Tiziano Barea | Dispositivo per controllare l'alimentazione di almeno un filo ad una macchina tessile cosi' da compensare strappi e sovratensioni esercitantisi sul filo stesso |
DE19537325C1 (de) * | 1995-10-06 | 1996-11-28 | Memminger Iro Gmbh | Fadenliefergerät mit elektronischer Ansteuerung |
WO1997013904A1 (en) * | 1995-10-12 | 1997-04-17 | E.I. Du Pont De Nemours And Company | Process and apparatus for knitting fabric with non-elastic yarn and bare elastomeric yarn and sweater knit fabric construction |
-
1998
- 1998-01-17 DE DE19801643A patent/DE19801643A1/de not_active Withdrawn
- 1998-12-16 ES ES98123873T patent/ES2190566T3/es not_active Expired - Lifetime
- 1998-12-16 EP EP98123873A patent/EP0936294B1/de not_active Expired - Lifetime
- 1998-12-16 DE DE59807554T patent/DE59807554D1/de not_active Expired - Fee Related
-
1999
- 1999-01-13 US US09/231,865 patent/US6170301B1/en not_active Expired - Fee Related
- 1999-01-15 CN CNB991010957A patent/CN1265046C/zh not_active Expired - Fee Related
-
2000
- 2000-01-27 HK HK00100511A patent/HK1021554A1/xx not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1893808A (en) * | 1930-08-22 | 1933-01-10 | Gropper Sport Apparel Co Inc | Yarn carrier for knitting machines |
US3861176A (en) * | 1973-04-09 | 1975-01-21 | Pharr Yarns Inc | Apparatus for twisting together and knitting yarns |
DE3524220A1 (de) * | 1985-07-06 | 1987-01-08 | Stoll & Co H | Rberwachungseinrichtung im fadenablaufsystem einer flachstrickmaschine |
WO1988008893A1 (en) * | 1987-05-05 | 1988-11-17 | Aktiebolaget Iro | Process for smooth feed of elastic thread and circular knitting machine |
DE4032402A1 (de) * | 1990-10-12 | 1992-04-16 | Menninger Iro Gmbh | Verfahren und einrichtung zur fadensteuerung bei maschenbildenden textilmaschinen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1741817A1 (de) * | 2005-07-07 | 2007-01-10 | L.G.L. Electronics S.p.A. | Faden-Rückzugsvorrichtung für Textilmaschinen |
Also Published As
Publication number | Publication date |
---|---|
US6170301B1 (en) | 2001-01-09 |
EP0936294A3 (de) | 2000-04-05 |
CN1224086A (zh) | 1999-07-28 |
DE59807554D1 (de) | 2003-04-24 |
CN1265046C (zh) | 2006-07-19 |
HK1021554A1 (en) | 2000-06-16 |
ES2190566T3 (es) | 2003-08-01 |
EP0936294B1 (de) | 2003-03-19 |
DE19801643A1 (de) | 1999-07-22 |
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