EP0808788A1 - Dispositif pour enrouler une bande de tissu à mailles tricotées - Google Patents

Dispositif pour enrouler une bande de tissu à mailles tricotées Download PDF

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Publication number
EP0808788A1
EP0808788A1 EP97107448A EP97107448A EP0808788A1 EP 0808788 A1 EP0808788 A1 EP 0808788A1 EP 97107448 A EP97107448 A EP 97107448A EP 97107448 A EP97107448 A EP 97107448A EP 0808788 A1 EP0808788 A1 EP 0808788A1
Authority
EP
European Patent Office
Prior art keywords
roll
web
stripping roller
goods
roller
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
EP97107448A
Other languages
German (de)
English (en)
Other versions
EP0808788B1 (fr
Inventor
Karl-Heinz Roth
Rudi Wirth
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.)
LIBA Maschinenfabrik GmbH
Original Assignee
LIBA Maschinenfabrik 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 LIBA Maschinenfabrik GmbH filed Critical LIBA Maschinenfabrik GmbH
Publication of EP0808788A1 publication Critical patent/EP0808788A1/fr
Application granted granted Critical
Publication of EP0808788B1 publication Critical patent/EP0808788B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • 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
    • D04B27/12—Tensioning devices for individual threads
    • 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
    • D04B27/34—Take-up or draw-off devices for knitted products
    • 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
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/30—Numbers, e.g. of windings or rotations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • 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
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/171—Physical features of handled article or web
    • B65H2701/1716—Elastic

Definitions

  • the invention relates to a device for winding a knitted fabric web, which is supplied from a warp knitting machine to a fabric roll, using an axle drive which is regulated in terms of its speed by means of a sensor measuring the fabric tension.
  • Such a device is shown in the draft for an ISO standard 864-2 / 07.94, page 12 under number 6.1.2.
  • the axle drive takes place here by means of an electric motor which is controlled in terms of its speed by means of a dancer roller, which reacts to the tension of the material web to be wound up, and a controller influenced by the dancer roller, so that the fabric tension is kept constant.
  • a dancer roller which reacts to the tension of the material web to be wound up
  • a controller influenced by the dancer roller so that the fabric tension is kept constant.
  • the invention has for its object to design the device so that it can be easily wound with its elastic knitted fabric. According to the invention, this is done in that a stripping roller, which is held at a distance from the goods roll and is adjacent to the run-up point of the goods web on the goods roll, is arranged to maintain a substantially constant distance between goods roll and stripping roller whose relative displacement takes place along a radial guide.
  • the stripping roller adjacent to the run-up point of the material web on the goods roll ensures that a transverse stretching in the sense of a lateral stripping of the material web starting from the stripping roller is exerted on the material web being fed onto the material web, so that the material web is practical under the action of the stripping roller immediately before the winding of the material web on the material roll, that is, in front of the run-up point, is stripped to a constant width with which the material web is then wound up.
  • On the short path from the transition from the stripping roller to the wrap there is practically no longer any length in which the web of material can contract and, in particular, roll up at its edges. This latter effect is known, it leads to the so-called bone wrap without special measures during winding.
  • This designation describes the cross section of a roll made of an elastic knitted fabric, in which the edge areas have bulged out and thus form a substantially larger diameter of the goods roll compared to the center of the web.
  • Such a bone wrap is a hindrance to the further processing of the wound knit web.
  • the measure provided in the device according to the invention of maintaining a substantially constant distance between the fabric roll and the stripping roller by relative displacement of the fabric roll relative to the stripping roller ensures that the elastic knitted fabric is stripped out in the same way over the entire diameter range of the fabric roll when winding the knitted fabric web is, so that regardless of the diameter of the goods roll, the web is always fully stripped in the same width fed to the goods roll and the result is a consistently uniform, practically cylindrical winding of goods.
  • a stripping roller in the winding of elastic knitted fabrics is known in connection with a device for winding a knitted fabric web, in which the winding is carried by two adjacent friction rollers, at least one of which is driven.
  • this type of drive of the goods roll it is not necessary to regulate its speed, because the drive takes place at a constant speed by means of the friction rollers carrying the goods roll.
  • One of these friction rollers is arranged upstream of the stripping roller, after which the material web is guided around one of the friction rollers, which then feeds the material web to the material roll.
  • the device can be designed in such a way that, in order to maintain the essentially constant distance between the goods roll and the stripping roller, the latter is guided radially outwards with increasing diameter of the goods roll. However, it is also possible to lead the goods roll away from the stripping roller with increasing diameter. In both cases there is a relative displacement of the goods roll relative to the stripping roller, namely along a radial guide, so that regardless of the respective diameter of the goods roll, the stripping roller is held close to the contact point of the web on the goods roll, so that the short mentioned above Away from the transition from the stripping roller to the goods winding.
  • the stripping roller In order to give the stripping roller for its adaptation to the necessary freedom of movement when winding up the ever-increasing diameter of the goods roll, the stripping roller is expediently mounted on the ends of swivel arms, the position of which is selected so that when the stripping roller is pivoted, it is approximately straight radial movement in relation to the winding of goods results.
  • the stripping roller performs a movement along a circular arc, which, however, deviates from the straight line so little with a sufficient length of the swivel arms that this practically does not matter for the desired position of the stripping roller at a constant distance from the goods roll.
  • the distance of the stripping roller is maintained in a known manner by means of a distance sensor, which is based, for example, on a reflection of a sound beam or a light beam.
  • the axis of the roll of goods is expediently mounted on a longitudinal guide oriented perpendicularly to it, so that the axis of the roll of goods constantly moves away from the stripping roller with its increasing diameter, but the condition remains that the distance between the goods roll and the stripping roller is kept essentially the same. In this case too, the distance between the goods roll and the stripping roller is maintained by means of a known distance sensor.
  • the stripping roller is expediently arranged upstream of deflection rollers for the web, which relax the web via a multiple deflection.
  • deflection rollers for the web, which relax the web via a multiple deflection.
  • elastic threads knitted into the knitted fabric there is a strong internal tension in the elastic knitted fabric immediately after the knitting process, which causes it to shrink in the transverse direction on its way to the fabric winding in the transverse direction. If the warp knitting is not made possible for the knitted fabric web, then the knitted fabric maintains its considerable internal tension, particularly in the transverse direction, which can have an effect on the unwinding of the winding when unwinding the web of material.
  • the stripping roller is provided in the usual known manner with a bead encircling the roller in the manner of a helical spring, namely on both sides with an opposite pitch, so that with a corresponding The direction of rotation of the stripping roller results in the beads coming apart, which press on the web and strip it out accordingly.
  • the stripping roller is expediently given a peripheral speed which is at least ten times the transport speed of the web so that the stripping roller exceeds it at a considerable relative speed during the transportation of the web.
  • the knitted fabric web 1 (drawn in dashed lines) is supplied by a known warp knitting machine, not shown, and first wraps around the three take-off rollers 2, 3 and 4, which, because of their close wrapping, give the web 1 to the desired transport speed in each case.
  • the web 1 then runs around the three deflecting rollers 5, 6 and 7, of which the roller 7 is designed as a dancer roller.
  • the deflection / dancer roller 7 is mounted on the swivel arm 8, which is arranged rotatably about the axis 9.
  • the axis 9 forms a known angle indicator, not shown in detail, which, depending on the angle of rotation of the swivel arm 8, transmits a corresponding signal via line 11 to the controller 12 which influences the drive motor 13 for the goods roll 14 in a known manner with a controlled variable, which will be discussed in more detail below.
  • the deflection / dancer roller 7 acts with its weight on the web 1, the respective tension of the roller 7 more or less compared to the position shown in Figure 1, which is indicated by the arrows passed through the roller 7.
  • the swivel arm 8 can also be loaded with an adjustable spring in order to be able to set a specific, desired tension of the material web. If the roller 7 swivels upward, this means an increase in the tension in the web 1, which is answered by a deceleration of the drive motor 13 and vice versa. This is a known control mechanism.
  • the web 1 is guided to the stripping roller 15, which ensures in the manner described above by its relatively high speed and its jacket structure that the web 1 is stripped laterally on the surface of the stripping roller 15, whereby the web 1 this position assumes its position, which is only under low transverse stress.
  • the stripping roller 15 is held close to the run-up point 16 at a distance A, so that the rotation of the stripping roller 15 cannot have a direct effect on the fabric roll 14.
  • the stripping roller 15 is mounted on the swivel arms 17, only one of which is shown and which are arranged rotatably about the axis 18. With The swivel arms 17 are connected to the worm wheel 19, which is driven by the motor 21 via the worm 20. A corresponding rotation of the screw 20 under the influence of the motor 21 results in a corresponding pivot position of the pivot arms 17 and thus the position of the stripping roller 15 with respect to the surface of the material roll 14, with which the distance A is kept constant at all times.
  • the distance A between the stripping roller 15 and the surface of the goods roll 14 is set as follows: With the relevant end of the one swivel arm 17, the distance sensor 22 is firmly connected, which is, for example, an ultrasonic transmitter and receiver, which is known in the art Depending on the distance between the sensor 22 and the surface of the goods roll 14 constantly signals whether the sensor 22 and thus the stripping roller 15 maintains a certain desired distance from the surface of the goods roll 14.
  • the sensor 22 sends a corresponding signal to the controller 24 via the line 23, which, depending on the sign of this signal, causes the motor 21 to rotate accordingly in either the left or right direction and thus the swivel arm 17 again so that the stripping roller 15 is at the desired distance A from the surface of the goods roll 14.
  • This is also a known control mechanism.
  • FIG. 1 also shows a position of the swivel arms 17 in which they are located (designated 17 ') when the goods are fully wound (designated 14'). Even in the position according to FIG. 17 ′, the stripping roller 15 maintains the distance A from the surface of the goods roll 14 ′.
  • the stripping roller 15 exactly describes the path of an arc of a circle, which, however, is stretched so far that it gives a linear movement for the given here Conditions come sufficiently close, so that there is practically no difference in the movement of the swivel arms 17 with respect to the length of the web 1 between the stripping roller 15 and the run-up point 16.
  • the stripping roller 15 can also be mounted on a carriage guide that describes a straight line.
  • the drive motor 13 for the axis 25 of the goods roll 14/14 ' is connected to the axis 25 via the two bevel gears 26 and 27 and via axes 28 and 29 indicated by the dash-dotted lines, the drive motor 13, of course, for the correct mechanical connection a corresponding position to the axis 25 must be.
  • the motor 13 is driven, as stated above, via the controller 12, which receives its signals from the bearing 9/10 of the circulating / dancer roller 7. With the aid of this regulation, the material web 1 is wound onto the material roll 14 under constant tension.
  • the goods roll 14/14 ' is wound evenly in cylindrical form due to the action of the stripping roller 15, with a uniform effect of the stripping roller 15 on the web 1, since due to the control mechanism shown with the controller 24 and the pivotability of the stripping roller 15 the swivel arms 17 result in practically the same relative position of the stripping roller 15 with the respective run-up point 16. This ensures a particularly uniform cylindrical winding of the material web 1 onto the material roll 14.
  • FIG. 2 shows a device which, apart from the configuration of the relative displacement from the goods roll to the stripping roller, corresponds to the device according to FIG. Accordingly, the same reference numerals are used for the same components in Figures 1 and 2.
  • the device according to FIG. 2 unlike the device according to FIG. 1, has a displaceable goods roll 14/14 '. The movability is given to him by the longitudinal guide 30.
  • the longitudinal guide 30 is shown here only in principle, since it is known per se in connection with such winding of goods.
  • the longitudinal guide 30 makes it possible to raise the roll of goods with its axis 25, the roll of goods 14 with a small diameter (continuous lines) reaching the position shown in dashed lines according to reference numeral 14 ', by a corresponding displacement of the axis 25 of the roll of goods, as a result of which increasing Diameter of goods roll 14 the distance A between goods roll 14/14 'and stripping roller 15 is kept substantially constant.
  • the distance is continuously determined here, similar to the exemplary embodiment according to FIG. 1, by means of the distance sensor 22, which is attached to a holder of the stripping roller 15.
  • the distance sensor sends its distance signal via line 23 to the controller 24, which, as described in connection with FIG.
  • FIG. 3 shows the operation of the stripping roller 15 on the web 1, which wraps around the stripping roller 15 at an angle of approximately 90 °.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Basic Packing Technique (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Unwinding Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Looms (AREA)
  • Replacement Of Web Rolls (AREA)
EP97107448A 1996-05-22 1997-05-06 Dispositif pour enrouler une bande de tissu à mailles tricotées Expired - Lifetime EP0808788B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19620670 1996-05-22
DE19620670A DE19620670C2 (de) 1996-05-22 1996-05-22 Vorrichtung zum Aufwickeln einer Wirkwarenbahn

Publications (2)

Publication Number Publication Date
EP0808788A1 true EP0808788A1 (fr) 1997-11-26
EP0808788B1 EP0808788B1 (fr) 1999-08-25

Family

ID=7795056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97107448A Expired - Lifetime EP0808788B1 (fr) 1996-05-22 1997-05-06 Dispositif pour enrouler une bande de tissu à mailles tricotées

Country Status (9)

Country Link
US (1) US5850982A (fr)
EP (1) EP0808788B1 (fr)
JP (1) JP2926614B2 (fr)
KR (1) KR970075015A (fr)
CN (1) CN1076703C (fr)
BR (1) BR9703368A (fr)
DE (2) DE19620670C2 (fr)
ES (1) ES2135965T3 (fr)
TW (1) TW494154B (fr)

Families Citing this family (24)

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Publication number Priority date Publication date Assignee Title
US5964973A (en) * 1998-01-21 1999-10-12 Kimberly-Clark Worldwide, Inc. Method and apparatus for making an elastomeric laminate web
US6283402B1 (en) * 1999-06-17 2001-09-04 Ashe Controls, Ltd. Rewinder method and apparatus
JP3925791B2 (ja) * 2002-03-08 2007-06-06 リコープリンティングシステムズ株式会社 印刷装置
DE10304428B3 (de) * 2003-02-04 2004-11-18 Pai Lung Machinery Mill. Co., Ltd. Aufnahmegerätschaft für Gestrick
CN101224592B (zh) * 2008-01-29 2011-04-13 丰县兴龙元丝塑料编织厂 网眼袋圆织机收卷料装置
CN101260593B (zh) * 2008-04-28 2010-06-02 王占洪 经编织物卷取装置
SG170623A1 (en) * 2009-10-09 2011-05-30 Pai Lung Machinery Mill Co Ltd Fabric collection structure for fabric cutting apparatus
DE102010046587B4 (de) * 2010-09-25 2018-04-12 Karl Mayer China Ltd. Wirkmaschine
CN102704183B (zh) * 2011-03-26 2015-11-25 卡尔迈尔纺织机械制造有限公司 从纺织机尤其经编机中引出面状的纺织的织物幅面的装置
CN102505318A (zh) * 2011-11-06 2012-06-20 张洪周 线轮被动式送纱阻力自动调节装置
KR101863093B1 (ko) * 2011-12-07 2018-06-01 삼성에스디아이 주식회사 라벨 부착 장치
CN102619014A (zh) * 2012-04-25 2012-08-01 常州市润源经编机械有限公司 经编机扩布装置
CN102776714B (zh) * 2012-07-11 2014-12-03 常熟市飞龙无纺机械有限公司 喂棉辊结构改进的空气填充法汽车内饰件预成型机
CN102808283B (zh) * 2012-08-20 2014-02-26 常州市第八纺织机械有限公司 一种铺纬机的废纱收卷装置
CN103662911B (zh) * 2012-09-13 2017-03-15 瑞安市胜利机械有限公司 纸杯机的收卷废纸机构
US9969192B2 (en) * 2014-11-19 2018-05-15 Canon Kabushiki Kaisha Printing apparatus and sheet winding method
CN105442177A (zh) * 2015-12-21 2016-03-30 浙江越剑机械制造有限公司 一种经编机用卷取装置
JP6875875B2 (ja) * 2017-02-16 2021-05-26 株式会社ミマキエンジニアリング 印刷装置およびカールの矯正方法
CN108774805B (zh) * 2018-06-17 2019-07-30 广东天海花边有限公司 一种非卷取式剪线的剪断机
CN109384067A (zh) * 2018-12-10 2019-02-26 盐城市荣意来纺机有限公司 一种机外大卷装卷布装置
EP3495541B1 (fr) * 2019-03-18 2021-05-19 KARL MAYER STOLL R&D GmbH Métier à tricoter en chaîne et dispositif de retenue de tissu pour métier à tricoter en chaîne
CN111560704B (zh) * 2020-05-26 2021-06-29 嘉兴万邦宏新材料科技有限公司 经编机托布机构
DE102021119724A1 (de) 2021-07-29 2023-02-02 Brückner Maschinenbau GmbH & Co. KG Folienaufwickelsystem, Verbund aus einer Folienreckanlage und einem solchen Folienaufwickelsystem und Verwendung eines solchen Verbunds zur Herstellung von Dünnstfilmen und Membranen
CN116142885B (zh) * 2023-04-20 2023-06-27 常州留夏新材料科技有限公司 一种空气变形丝机的自动收线机构

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US3240442A (en) * 1964-02-13 1966-03-15 Beloit Eastern Corp Bi-textured winder drum
DE2219207A1 (de) * 1971-04-26 1972-11-02 Hydrel Ag, Romanshorn, Thurgau (Schweiz) Einrichtung zur Aufrechterhaltung eines konstanten Wickelzuges beim Aufbzw. Abwickeln von Stoffbahnen
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US2042010A (en) * 1933-08-25 1936-05-26 Firestone Tire & Rubber Co Fabric spreader
US3240442A (en) * 1964-02-13 1966-03-15 Beloit Eastern Corp Bi-textured winder drum
DE2219207A1 (de) * 1971-04-26 1972-11-02 Hydrel Ag, Romanshorn, Thurgau (Schweiz) Einrichtung zur Aufrechterhaltung eines konstanten Wickelzuges beim Aufbzw. Abwickeln von Stoffbahnen
JPS6175762A (ja) * 1984-09-20 1986-04-18 Teijin Ltd スリツタ

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Also Published As

Publication number Publication date
JP2926614B2 (ja) 1999-07-28
JPH10158963A (ja) 1998-06-16
MX9703746A (es) 1998-06-28
ES2135965T3 (es) 1999-11-01
CN1171461A (zh) 1998-01-28
EP0808788B1 (fr) 1999-08-25
DE19620670C2 (de) 1998-07-23
BR9703368A (pt) 1998-09-15
TW494154B (en) 2002-07-11
CN1076703C (zh) 2001-12-26
DE59700360D1 (de) 1999-09-30
DE19620670A1 (de) 1997-12-11
US5850982A (en) 1998-12-22
KR970075015A (ko) 1997-12-10

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