CN1130695A - Warp-knitting machine equipped with yarn storage device in feed device - Google Patents

Warp-knitting machine equipped with yarn storage device in feed device Download PDF

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Publication number
CN1130695A
CN1130695A CN 95119830 CN95119830A CN1130695A CN 1130695 A CN1130695 A CN 1130695A CN 95119830 CN95119830 CN 95119830 CN 95119830 A CN95119830 A CN 95119830A CN 1130695 A CN1130695 A CN 1130695A
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CN
China
Prior art keywords
yarn
loop
forming element
storage device
axle
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
CN 95119830
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Chinese (zh)
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CN1052274C (en
Inventor
耶赖斯·弗兰克
克雷斯·埃德加
拉姆·理查德
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LIBA Maschinenfabrik GmbH
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LIBA Maschinenfabrik GmbH
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Publication of CN1130695A publication Critical patent/CN1130695A/en
Application granted granted Critical
Publication of CN1052274C publication Critical patent/CN1052274C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • D04B27/16—Warp beams; Bearings therefor
    • D04B27/20—Warp beam driving devices
    • D04B27/22—Warp beam driving devices electrically controlled

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Abstract

A warp knitting machine with a knitting yarn guide has, between its warp beam and its knitting implements a yarn store which controls the warp beam drive by its path deviation. Here, between the store and the implements, is a feed roller mechanism where its drive , controlled by program in accordance with the fluctuating yarn consumption limited by the movements of the knitting implements, is powered in such a way that the mechanism by itself determines the instantaneous yarn speed. The controller to the warp beam drive, independently of the program, supplies an even, mean rotational movement in accordance with the yarn supply speed dictated by the instantaneous movements of the knitting implements and depending on the deviation of the yarn path in the yarn store. Pref.

Description

The warp knitting machine of yarn storage device is housed in yarn feeding device
The invention relates to the warp knitting machine that yarn feeding device is housed, between axle and its loop-forming element, yarn storage device is housed, and control CD-ROM drive motor through axle by the deflection of yarn storage device at it.
This warp knitting machine was announced in Deutsche Bundespatent prospectus DE-OS4115571.On the warp knitting machine of in this part file, being introduced, prevented influence to its working position (loop-forming element) yarn tension before.For this reason, be provided with a yarn storage device between axle and loop-forming element, this yarn storage device heads on spring force by one and the lever of deflection constitutes.Yarn storage device one end is equipped with a rotaring forward roller, and when this deflector roll was mobile along with the swing of lever, the length of yarn that leads to another rotaring forward roller can be by elongated or shortening.The variation of this length of yarn is caused that by the instability of loop-forming element yarn consumption amount loop-forming element is to adjust yarn storage device by its motion, that is to say, heads on the pretightning force of spring and rotating lever.Because lever has inevitable inertia in the yarn storage device, so the motion of loop-forming element can make yarn tension very big fluctuation occur when causing deviation of lever.So, in the layout of this passive mode, because loop-forming element has inevitable influence to yarn storage device, can not carry out the task of preventing to influence yarn tension satisfactoryly, the fluctuation of this yarn tension that stays, will have influence on knitting fabric, promptly streak float can appear.
In addition, also have a kind of warp knitting machine, once announced in the DE-OS3832659 prospectus, its yarn feeding device, its structural shape are identical with the yarn feeding device discussed in the file of front in principle.On the warp knitting machine of DE-OS3832695, between axle and loop-forming element, also be furnished with yarn storage device, still, this yarn storage device can be adjusted with regard to its momentary output on one's own initiative by a control system.Be equipped with three in this yarn storage device along the continuous rotaring forward roller that joins, deflector roll in centre wherein position of other two stationary guide rollers relatively is transportable, this moving is to finish by above-mentioned control system, when middle deflector roll is farther apart from other two stationary guide rollers, then yarn storage device can be stored and hold longer yarn, when this when shortening, then Cun Chu length of yarn just reduces, this minimizing is not only in the direction toward loop-forming element, and toward on the direction of axle, exerting one's influence, so, in this layout, can with yarn feeding side occur in the opposite direction uncontrollable, the also fluctuation of undesirable yarn tension.
The present invention is according to such task, promptly will eliminate because to the fluctuation of the yarn tension that influence produced of yarn storage device.According to the present invention, it is this task of finishing like this, promptly between yarn storage device and loop-forming element, arrange a cylinder conveyer, this cylinder conveyer, be the variation of basis by the yarn consumption that motion determined of loop-forming element, and drive in this wise by programme controlled drum motor by one, promptly only decide instantaneous yarn speed by the cylinder conveyer, and the programme-control with drum driven is incoherent through the axle driving control system, to in the transient motion process of loop-forming element, keep the stable rotation motion for provide one through axle, this through the axle driving control system be with the storage yarn feeder be deflected to foundation, and also be to be consistent with the average speed of yarn feeding through rotatablely moving of axle.
The cylinder conveyer that has program control drum motor by access is to consider the fluctuation of loop-forming element to the yarn consumption, will be on one's own initiative to loop-forming element, constantly carrying just in time is the instantaneous needed number of yarns of loop-forming element, therefore, in fact yarn tension in the zone between cylinder conveyer and loop-forming element can be maintained fixed.In addition, on warp knitting machine,, sometimes but need different yarn tensions, also might do for woven designs by programme-control.For this reason, corresponding program of control system input of reply drum motor, the function of cylinder conveyer be, makes the moment of inertia of yarn storage device can not influence loop-forming element, because act on the different pulling force on the yarn storage device, can directly be born by the cylinder conveyer.This loop-forming element and yarn storage device and with have such advantage through the coupling that takes off of axle, i.e. the reaction that is added in loop-forming element owing to the inertia of yarn storage device has been prevented from.At this moment, yarn storage device is along the yarn tension on the transaxial direction, and but the pretension owing to yarn storage device is keeping always.In addition, the mistake transmission of knitting yarn through axonometer can not have influence on loop-forming element, and the transmission of this mistake also can be had the yarn storage device of pretension to compensate, otherwise, under the reaction situation of the transmission yarn of this mistake,, just before loop-forming element, can not cause different yarn tensions in present technical level, and might cause very big load to loop-forming element itself, and this load will damage the service life of loop-forming element.
As mentioned above, the cylinder conveyer can be according to the yarn movement requirement, instantaneous velocity with loop-forming element, give loop-forming element with hosiery yarns, for very of short duration velocity peak values is carried out extra compensation, can arrange a fork between cylinder conveyer and loop-forming element, as the fork of installing by common mode in the loop-forming element front of warp knitting machine, this fork can be spring control or programme controlled.
The cylinder conveyer suitably can be arranged near loop-forming element; the hosiery yarns of sending here by the cylinder conveyer; need directly not arrive loop-forming element by fork; its advantage is arranged like this; the i.e. variation of the transporting velocity of the yarn that causes by the cylinder conveyer; to act directly on the loop-forming element, otherwise this effect usually can be by repeatedly turning to and certain yarn elasticity delays.
In Fig. 1, represent an example of the present invention.
On the figure with drawn the briefly creel 1 of a warp knitting machine 20 of the mode of schematic diagram, have through axle 2 at the creel upper support, hosiery yarns 3 is from extracting out through axle 2, owing to the reason that is side view, see in the hosiery yarns on the figure only, being driven through shaft drive motor 4 by one through axle 2, is to be carried out by a driving governor 5 through the control of axle motor 4, and driving governor 5 is that the deflection that is subjected to yarn storage device 6 influences.
Represented also that in the drawings warp knitting machine 20 is supported with its main shaft 19 by common mode on warp knitting machine, the porose disc 21 that sends synchronizing signal is housed on the main shaft, below will further introduce about synchronizing signal, on bearing assembly 28, supporting sley bar 29 and needle-bar 30, loop-forming element 23 is being installed on sley bar and needle-bar by the mode of being familiar with.
Include two fixing rotaring forward rollers 7 and 8 and mobile rotaring forward rollers 9 in the yarn storage device 6, movable deflector roll 9 is the terminations that are arranged in fork 11, and fork is to be rotatably supported on the axle 10, fork 11 is to add pretension by spring 12, cause rotaring forward roller 9 to leave fixing rotaring forward roller 7 and 8 always, away from another termination of rotaring forward roller 9 rotary angle transmitter 13 is housed at fork 11, the angle that this rotary angle transmitter 13 is adjusted according to fork 11 transmits a corresponding signal to the driving governor 5 through axle 2 by lead 14.
Hosiery yarns 3 is in this manner by yarn storage device 6, yarn at first twined fixing rotaring forward roller 7, rotaring forward roller 9 by activity draws back yarn from stationary guide roller 7 and 8 then, and subsequently, hosiery yarns 3 changes the direction of cylinder conveyer 15 at last over to by rotaring forward roller 8.In cylinder conveyer 15, be furnished with two cylinders 16 and 17 that rotate synchronously, this cylinder conveyer was announced in the DE-OS3234827 prospectus, this cylinder conveyer at first is to be used for extracting yarn out from bobbin cradle, programme controlled drum driven motor 18, be responsible for the driving of cylinder 16 and 17, by means of the signal transducer 21 that sends synchronizing signal, main shaft 19 synchronised on drum driven motor and the warp knitting machine 20.This signal transducer 21 is placed on the main shaft 19, hosiery yarns 3 is pressed sigmoid curve by cylinder conveyer 15, and enter loop-forming element 23 by fork 22 more therefrom, loop-forming element is with braided fabric 24, fabric is extracted cylinder 25 out, 26,27 speed with regulation pull out fabric from loop-forming element 23, then fabric 24 is wrapped on the next cylinder that do not draw by usual way.
The above-mentioned warp knitting machine 29 that has through axle 2, its operation principle is as follows:
Cylinder conveyer 15 drives according to the program of input drum driven motor 18, this program has been considered the yarn consumption amount that the motion according to loop-forming element 23 changes, also in that moment, the speed that hosiery yarns 3 will be respectively determined with the loop-forming element motion or be admitted to loop-forming element 23 by the yarn consumption amount, that is to say, cylinder conveyer 15 determines each concrete instantaneous velocity of yarn on one's own initiative, if the yarn of being supplied with by cylinder conveyer 15 3 can meet respectively this yarn consumption amount in crochet hook 23 zones exactly, yarn 3 then shown in the figure has not just needed through detouring of fork 22, that is to say that fork 22 can be cancelled.In this case, cylinder conveyer 15 should be arranged and adjust like this, and promptly the yarn of being supplied with by the cylinder conveyer 3 can arrive loop-forming element 23 by direct route.
Programme-control according to cylinder conveyer 15, and consider that the work of loop-forming element 23 and fabric 24 are by pulling out cylinder 25,26,27 discharge work, between cylinder conveyer 15 and loop-forming element 23, should form a kind of yarn tension of necessity respectively, this yarn tension, promptly between cylinder conveyer 15 and loop-forming element 23 the zone in yarn tension, can be by the corresponding programming of roll drive motor 18, naturally change by following mode, be yarn tension in the certain limit of fabric, according to how with can satisfy needed woven designs and raise or reduce.
Because the yarn consumption amount of loop-forming element 23 is changing, and the respective drive of cylinder conveyer 15, cylinder conveyer 15 can be by its cylinder 17 from the yarn storage device 6 corresponding yarns 3 of pulling out unevenly, the quite nonuniform speed of this yarn 3, do not influence motion through axle 2, this is because through axle 2 back, contrasts average yarn admission velocity and has carried out necessary compensation by yarn storage device 6, and promptly correspondingly swinging back and forth by lever 11 compensates (referring to the four-headed arrow that draws on the figure).This moment, the function of spring 12 was, makes cylinder conveyer 15 and always have enough yarn tensions in the scope between axle 2, to guarantee entering of yarn.In fact also can rotate with the rotating speed that remains unchanged through axle 2, but this is always by after the several commentaries on classics of main shaft.; if for a certain reason through the rotating speed of axle 2; and by the yarn amount of sending into that produces through axle; to coming compared with the yarn average consumption that is determined by cylinder conveyer 15; be higher or on the low side; then must do corresponding adjustment to the rotating speed through axle 2, rotary angle transmitter 13 just plays this corrective action.Rotary angle transmitter 13 sends a corresponding signal according to the turned position of fork 11, and this signal is such as already mentioned, is sent in the driving governor 5 of axle motor 4.Departed from the normal position if lever 11 swings to, then its can raise or reduce by causing through the axle motor through the rotating speed of axle 2, thereby makes the supply of yarn 3 meet the average requirement of 15 pairs of yarns of cylinder conveyer again.
On scheming, can be clear that, cylinder conveyer 15 is, thereafter regional the cutting with region in front of yarn 3 guidings left, so, any variation of the yarn tension in cylinder conveyer 15 region in front,, be the yarn tension in the zone that can not have influence between cylinder conveyer 15 and the loop-forming element 23 for example because the caused yarn tension of the inertia of the fork 11 that swings back and forth changes.Be actually by it through axle motor 4 evenly drive through axle 2 this moment, that is to say, quickens or slow down in fact can not occurring on axle, and this is because very big through the quality of axle 2, thereby drive through axle and be very easy to.

Claims (3)

1. warp knitting machine that yarn feeding device is housed, between axle (2) and loop-forming element (23), a yarn storage device (6) is housed at it, deflection by yarn storage device is to controlling through axle motor (4), it is characterized in that: between yarn storage device (6) and loop-forming element (23), arranged a cylinder conveyer (15), cylinder conveyer (15) is the variation according to the yarn consumption amount, drive by a programme controlled drum motor (18), and being motion by loop-forming element (23), the variation of yarn consumption amount determined, the instantaneous velocity that has only cylinder conveyer (15) decision yarn, with the programme-control of drum motor (18) irrelevant through axle (2) driving governor (5), will be according to the deflection angle of yarn storage device (6), to providing one to be uniformly in loop-forming element transient motion process through axle, and be the rotatablely moving of average admission velocity that meets yarn.
2. according to the described warp knitting machine of claim 1, it is characterized in that: between cylinder conveyer (15) and loop-forming element (23), be furnished with a fork (22).
3. according to claim 2 or 1 described warp knitting machine, it is characterized in that: cylinder conveyer (15) is arranged near loop-forming element (23) in this wise, make the yarn of being supplied with by cylinder conveyer (15) (24) need not pass through fork (22), and directly arrive loop-forming element (23).
CN95119830A 1994-11-08 1995-11-08 Warp-knitting machine equipped with yarn storage device in feed device Expired - Fee Related CN1052274C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19944439907 DE4439907C2 (en) 1994-11-08 1994-11-08 Warp knitting machine with a thread store in the knitting thread feeder
DEP4439907.3 1994-11-08

Publications (2)

Publication Number Publication Date
CN1130695A true CN1130695A (en) 1996-09-11
CN1052274C CN1052274C (en) 2000-05-10

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CN95119830A Expired - Fee Related CN1052274C (en) 1994-11-08 1995-11-08 Warp-knitting machine equipped with yarn storage device in feed device

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JP (1) JP3022284B2 (en)
CN (1) CN1052274C (en)
DE (1) DE4439907C2 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1320187C (en) * 2002-08-16 2007-06-06 卡尔迈尔纺织机械制造有限公司 Tricot machine
CN1664208B (en) * 2003-09-30 2010-07-21 路易吉·O·佐里尼 Textile machine and control method thereof
CN101200839B (en) * 2006-12-12 2011-07-27 卡尔.迈耶.马里莫纺织机械制造有限责任公司 Multiple shaft directions warp knitting machine
CN101597835B (en) * 2008-06-04 2012-07-04 圣东尼公司 Warp-knitting machine
CN103352314A (en) * 2013-06-28 2013-10-16 常州市第八纺织机械有限公司 Intelligent yarn storage device, control system and control method of carbon fiber multi-axial warp knitting machine
CN104018291A (en) * 2014-05-15 2014-09-03 李明科 Protecting device for bottom bracket of warp knitting machine
CN104876668A (en) * 2015-05-20 2015-09-02 贵州大学 Organic and inorganic compound fertilizer for radix pseudostellariae
CN105040244A (en) * 2015-06-25 2015-11-11 湖州杰盛高科纺织有限公司 Method for improving weaving flatness and loom
CN105256457A (en) * 2015-11-25 2016-01-20 江南大学 Two-stage multispeed warp knitting machine electronic let-off device and control method thereof
CN108251938A (en) * 2018-03-20 2018-07-06 卡尔迈耶（中国）有限公司 A kind of balance roller mechanism suitable for high yarn tension
CN110040571A (en) * 2019-05-17 2019-07-23 常州市新创智能科技有限公司 A kind of yarn constant tension control device, method and system
CN113957602A (en) * 2021-11-02 2022-01-21 信泰(福建)科技有限公司 Warp knitting creel equipment with yarn storage device and installation method thereof
WO2024016931A1 (en) * 2022-07-18 2024-01-25 江南大学 Warp knitting variable-speed uniform-tension yarn feeding device and weaving method

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WO2001098573A1 (en) * 2000-06-19 2001-12-27 Miquel Bartes Stadler System for regulating the tension of threads or webs in textile machines
KR20020073055A (en) * 2001-03-14 2002-09-19 박세진 Apparatus for letting warp off negatively in warp Knitting Machine
KR100459795B1 (en) * 2002-06-19 2004-12-03 박승헌 Sending control system of warp for warp knitting machine
EP1686207B1 (en) 2005-01-31 2012-07-04 Luigi Omodeo Zorini Textile machine with yarn feeding control
DE102005008705B3 (en) 2005-02-25 2006-09-21 Karl Mayer Malimo Textilmaschinenfabrik Gmbh Apparatus for feeding slivers to a knitting machine
WO2007000173A1 (en) * 2005-06-28 2007-01-04 Karl Mayer Textilmaschinenfabrik Gmbh Knitting machine
EP2565310B1 (en) * 2011-08-30 2014-03-26 Karl Mayer Textilmaschinenfabrik GmbH Warp knitting machine
DE102012216672B4 (en) * 2011-09-20 2014-08-28 Liba-Maschinenfabrik Gesellschaft mit beschränkter Haftung METHOD FOR CHANGING THE SIZE OF MACHINES PRODUCED ON A CHAIN-MACHINE
US11168416B2 (en) 2018-05-02 2021-11-09 Fabdesigns, Inc. System and method for knitting shoe uppers
US11828009B2 (en) 2018-05-16 2023-11-28 Fabdesigns, Inc. System and method of unspooling a material into a textile machine
US11186930B2 (en) 2018-05-17 2021-11-30 Fabdesigns, Inc. System and method for knitting shoe uppers
US11401638B2 (en) 2018-05-22 2022-08-02 Fabdesigns, Inc. Method of knitting a warp structure on a flat knitting machine
EP3798340B1 (en) * 2019-09-26 2021-08-18 KARL MAYER STOLL R&D GmbH Thread drawing-in method for warp beam replacement in a knitting machine and knitting machine with a thread drawing-in function for warp beam replacement

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DE1014703B (en) * 1956-03-20 1957-08-29 Wirkmaschinen Fabrik Wilhelm B Flat warp knitting machine with a pair of delivery rollers for the thread feed and controllably driven fabric take-off roller
DD130263A1 (en) * 1977-03-31 1978-03-15 Dietrich Karl Heinz DEVICE FOR NEEDLE MACHINES
DE3234827C2 (en) * 1982-09-21 1984-07-19 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Magazine firing device for warp knitting machines
DD266599A1 (en) * 1987-12-22 1989-04-05 Textima Veb K DEVICE FOR FADEN-LENGTH-CONTROLLED CHAIN FEEDING OF A TEXTILE MACHINE, IN PARTICULAR CHAIN EQUIPMENT
DE4115571A1 (en) * 1991-05-13 1992-11-19 Wirkbau Textilmasch Gmbh METHOD AND DEVICE FOR REGULATING THE MOTOR FOR THE CHAIN TREE DRIVE ON TEXTILE MACHINES
DE4304496A1 (en) * 1993-02-15 1994-08-18 Iro Ab Auxiliary conveying apparatus and thread-processing system

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1320187C (en) * 2002-08-16 2007-06-06 卡尔迈尔纺织机械制造有限公司 Tricot machine
CN1664208B (en) * 2003-09-30 2010-07-21 路易吉·O·佐里尼 Textile machine and control method thereof
CN101200839B (en) * 2006-12-12 2011-07-27 卡尔.迈耶.马里莫纺织机械制造有限责任公司 Multiple shaft directions warp knitting machine
CN101597835B (en) * 2008-06-04 2012-07-04 圣东尼公司 Warp-knitting machine
CN103352314A (en) * 2013-06-28 2013-10-16 常州市第八纺织机械有限公司 Intelligent yarn storage device, control system and control method of carbon fiber multi-axial warp knitting machine
CN104018291B (en) * 2014-05-15 2015-11-18 孙海侠 A kind of bottom bracket protective device for warp knitting machine
CN104018291A (en) * 2014-05-15 2014-09-03 李明科 Protecting device for bottom bracket of warp knitting machine
CN104876668A (en) * 2015-05-20 2015-09-02 贵州大学 Organic and inorganic compound fertilizer for radix pseudostellariae
CN105040244A (en) * 2015-06-25 2015-11-11 湖州杰盛高科纺织有限公司 Method for improving weaving flatness and loom
CN105256457A (en) * 2015-11-25 2016-01-20 江南大学 Two-stage multispeed warp knitting machine electronic let-off device and control method thereof
CN105256457B (en) * 2015-11-25 2017-03-22 江南大学 Two-stage multispeed warp knitting machine electronic let-off device and control method thereof
CN108251938A (en) * 2018-03-20 2018-07-06 卡尔迈耶（中国）有限公司 A kind of balance roller mechanism suitable for high yarn tension
CN108251938B (en) * 2018-03-20 2023-08-08 卡尔迈耶（中国）有限公司 Balanced roller mechanism suitable for high yarn tension
CN110040571A (en) * 2019-05-17 2019-07-23 常州市新创智能科技有限公司 A kind of yarn constant tension control device, method and system
CN113957602A (en) * 2021-11-02 2022-01-21 信泰(福建)科技有限公司 Warp knitting creel equipment with yarn storage device and installation method thereof
CN113957602B (en) * 2021-11-02 2024-04-12 信泰(福建)科技有限公司 Warp knitting yarn carrier with yarn storage device and installation method thereof
WO2024016931A1 (en) * 2022-07-18 2024-01-25 江南大学 Warp knitting variable-speed uniform-tension yarn feeding device and weaving method

Also Published As

Publication number Publication date
DE4439907A1 (en) 1996-05-09
DE4439907C2 (en) 1997-04-10
CN1052274C (en) 2000-05-10
JPH08209509A (en) 1996-08-13
JP3022284B2 (en) 2000-03-15

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