EP2666895A2 - Verfahren zum Drängen von Kettfäden in eine Kettspannungseinstellvorrichtung einer Reifencord-Webvorrichtung und Kettspannungseinstellvorrichtung - Google Patents

Verfahren zum Drängen von Kettfäden in eine Kettspannungseinstellvorrichtung einer Reifencord-Webvorrichtung und Kettspannungseinstellvorrichtung Download PDF

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Publication number
EP2666895A2
EP2666895A2 EP13002405.2A EP13002405A EP2666895A2 EP 2666895 A2 EP2666895 A2 EP 2666895A2 EP 13002405 A EP13002405 A EP 13002405A EP 2666895 A2 EP2666895 A2 EP 2666895A2
Authority
EP
European Patent Office
Prior art keywords
fluid
urging
pressure
warp
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
EP13002405.2A
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English (en)
French (fr)
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EP2666895B1 (de
EP2666895A3 (de
Inventor
Naoyuki Itou
Kazuto Kakutani
Takeshi Ataka
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.)
Tsudakoma Corp
Original Assignee
Tsudakoma Industrial Co Ltd
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 Tsudakoma Industrial Co Ltd filed Critical Tsudakoma Industrial Co Ltd
Priority to EP17000559.9A priority Critical patent/EP3208372A3/de
Publication of EP2666895A2 publication Critical patent/EP2666895A2/de
Publication of EP2666895A3 publication Critical patent/EP2666895A3/de
Application granted granted Critical
Publication of EP2666895B1 publication Critical patent/EP2666895B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D35/00—Smallware looms, i.e. looms for weaving ribbons or other narrow fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/04—Control of the tension in warp or cloth
    • D03D49/12—Controlling warp tension by means other than let-off mechanisms
    • D03D49/16—Warp supplied by creel
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/002—Avoiding starting marks
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/02—Reinforcing materials; Prepregs
    • D10B2505/022—Reinforcing materials; Prepregs for tyres

Definitions

  • the warp tension adjusting device 92 includes a dancer roller 93 that equalizes the tensions of the multiple warp yarns 7 drawn from the creel device 2 and that maintains the tensions in a certain range.
  • the dancer roller 93 is placed on the warp yarns 7, which are drawn from the creel device 2 and arranged side by side so as to have a sheet-like shape.
  • the dancer roller 93 equalizes the tensions of the warp yarns 7 by using its own weight.
  • the dancer roller 93 is positioned such that the weight of the dancer roller 93 balances the sum of the tensions of the warp yarns 7 (which, hereinafter, may be simply referred to as the "warp tension”) in the up-and-down direction.
  • the warp tension adjusting device 92 further includes a dropper device 94 that is disposed upstream of (on the creel device 2 side of) the dancer roller 93 in the direction in which the warp yarns 7 are fed and that detects warp breakage by detecting dropping of a dropper pin due to releasing of the tension of a corresponding one of the warp yarns 7 caused by the warp breakage.
  • the warp tension adjusting device 92 monitors occurrence of breakage of the warp yarns 7 supplied from the creel device 2 to the warp tension adjusting device 92.
  • the let-off device 4a of the loom 4 stops in a comparatively short time, the bobbins 2a of the creel device 2, which have been rotating at high speeds as the warp yarns 7 have been drawn from the bobbins 2a, do not stop in a short time due to their own inertia. Therefore, even after the loom 4 has stopped and the let-off device 4a has stopped pulling the warp yarns 7, the warp yarns 7 are continued to be fed from the creel device 2 toward the warp tension adjusting device 92. This state is called "warp overrun".
  • the positions of dropper pins of the dropper device 94 described above are lowered, and a state the same as that of yarn breakage, that is, a state in which a dropper pin contacts a contact bar (electrode), occurs.
  • a state the same as that of yarn breakage that is, a state in which a dropper pin contacts a contact bar (electrode)
  • the dropper device 94 outputs a warp breakage detection signal and hinders restarting of the loom 4.
  • the method includes causing, when the loom (4) is stopped while weaving the tire fabric section, the fluid-pressure cylinder (15) to perform an operation of applying the urging force to the urging roller (10a) over a period from a first time that is after a time at which the loom (4) is stopped to a time at which the loom (4) is restarted.
  • the link mechanism (12) may include a third lever (20) that is supported by a corresponding one of the frames (6) so as to be rotatable and that is connected to a corresponding one of the second levers (18), and an engagement member (21) that is attached to a rod (24) of the fluid-pressure cylinder (15).
  • the engagement member (21) presses the third lever (20) in a pressing direction when the rod (24) becomes displaced in an operation direction such that the second lever (18) is rotated so as to apply the urging force to the urging roller (10a), and the engagement member (21) is connected to the third lever (20) so as to be separable from the third lever (20) with respect to the pressing direction.
  • the urging device (11) may include a fluid supplying device (13, 67, 73) that supplies a pressure fluid to the fluid-pressure cylinder (15).
  • the fluid supplying device (13, 67, 73) includes a pressure fluid supply/discharge path (28, 70, 75) connected to a second pressure chamber (26) from which the pressure fluid is discharged when the pressure fluid is supplied to a first pressure chamber (25) that applies fluid pressure for causing the rod (24) to be displaced in the operation direction to a piston of the fluid-pressure cylinder (15), a position detector (22) that detects a rod position of the fluid-pressure cylinder (15), and a controller (23, 68, 74) that controls supply and discharge of the pressure fluid to and from the fluid-pressure cylinder (15).
  • the urging device (11) may include a fluid supplying device (14, 60, 76) that supplies a pressure fluid to the fluid-pressure cylinder (15).
  • the fluid supplying device (14, 60, 76) includes a pressure fluid supply/discharge path (32, 63, 78) connected to a pressure chamber (30) that applies fluid pressure for causing the rod (57) to be displaced in the operation direction to a piston of the fluid-pressure cylinder (15), a position detector (22) that detects a rod position of the fluid-pressure cylinder (15), and a controller (31, 66, 77) that controls supply and discharge of the pressure fluid to and from the fluid-pressure cylinder (15).
  • the warp tension adjusting device 3 has a frame structure in which a pair of plate-shaped frames 6 are disposed parallel to each other with a distance therebetween in the width direction.
  • the frames 6 are connected to each other using a plurality of beams 6c.
  • Fig. 2 is a sectional view of the warp tension adjusting device 3 taken along a vertical plane located between the pair of frames 6 and extending parallel to the direction in which the warp yarns are fed. Therefore, in Fig. 2 , one of the pair of frames 6 is seen from the inner side of the frame 6.
  • Each of the frames 6 includes a first frame 6a on the creel device 2 side and a second frame 6b on the loom 4 side.
  • the position detector 22 outputs a detection signal S2 to the controller 23 when the sensor plate 22b and the proximity sensor 22a face each other as the rod 24 of the air cylinder 15a becomes displaced.
  • the adjustment range of the proximity sensor 22a and the length of the sensor plate 22b are determined with consideration of the following relationship: That is, when the rod 24 of the air cylinder 15a is positioned at the stroke end in the extension direction, the proximity sensor 22a does not detect the sensor plate 22b.
  • a check valve 52a is disposed in the third fluid channel 28c.
  • the check valve 52a closes the fluid channel in the discharge direction from the second pressure chamber 26 and opens the fluid channel in the supply direction to the second pressure chamber 26.
  • the third fluid channel 28c is made from an air tube having a diameter the same as that of the first fluid channel 28a. Therefore, the flow rate of compressed air passing through the third fluid channel 28c is the same as the flow rate of compressed air passing through the first fluid channel 28a.
  • the position detector 22 When the proximity sensor 22a detects the sensor plate 22b, which is attached to the rod 24, while the rod 24 of the air cylinder 15a is being displaced in the contraction direction, the position detector 22 outputs the detection signal S2 to the controller 23.
  • the controller 23 Upon receiving the detection signal S2, the controller 23 causes the second solenoid valve 29 to be in an energized state (ON). That is, when the displacement amount of the rod 24 reaches a predetermined amount during displacement of the rod 24 in the contraction direction, the controller 23 causes the second solenoid valve 29 to be in an energized state (ON).
  • the proximity sensor 22a While the proximity sensor 22a is detecting the sensor plate 22b, the position detector 22 maintains the detection signal S2 to be ON. As long as the detection signal S2 is ON, the controller 23 keeps the second solenoid valve to be in an energized state (ON).
  • the second time is the time at which, during the aforementioned startup operation of the loom 4, the number of revolutions of the main shaft of the loom per unit time reaches the number of revolutions per unit time of a normal operation for weaving a tire fabric section.
  • a period of about 3 to 5 seconds is preset in the timer. This period corresponds to the period from restarting of the loom to the time at which the number revolutions per unit time reaches 900 rpm, which is the number of revolutions per unit time of a normal operation for weaving a tire fabric section.
  • the period is a period during which weaving of about 30 picks is performed.
  • the controller 23 maintains the first solenoid valve 51 to be in an energized state (ON) until the second time arrives while the timer is operating. Therefore, the rod 24 of the air cylinder 15a is continued to be urged in the contraction direction at the stroke end in the contraction direction, and an urging force is continued to be to be applied to the first dancer roller 10a in such a direction that the first dancer roller 10a is lowered.
  • the detection signal S2 from the position detector 22 continues to be ON, and therefore the second solenoid valve 29 is maintained in an energized state (ON).
  • vibration of the warp yarns 7, which may occur after the loom 4 is restarted, are reduced, erroneous detection of warp breakage by the dropper device 8 due to the vibration of the warp yarns 7 can be effectively prevented, and the loom 4 can be restarted without causing trouble.
  • Figs. 8 and 9 both illustrate a hydraulic circuit of the same fluid supplying device 14.
  • Fig. 8 illustrates a state of the hydraulic circuit of the fluid supplying device 14 when the loom is weaving a tire fabric section.
  • Fig. 9 illustrates a state of the hydraulic circuit of the fluid supplying device 14 when a rod 57 of the hydraulic cylinder 15b is contracting after the loom has been stopped.
  • the first solenoid valve 55 When the first solenoid valve 55 is in a non-energized state ("OFF"), the first solenoid valve 55 disconnects the path of the hydraulic fluid supplied from the fluid supplying source 58 and connects the supply/discharge path 32 to the discharge path to hydraulic fluid tank.
  • the hydraulic cylinder 15b and the first dancer roller 10a are operated as follows.
  • the first solenoid valve 51, the second solenoid valve 29, and the air cylinder 15a illustrated in Fig. 7 shall be respectively read as the first solenoid valve 55, the second solenoid valve 33, and the hydraulic cylinder 15b.
  • the engagement member 21 and the third lever 20 become disengaged from each other, and the first dancer roller 10a moves up and down so as to keep a balance between its own weight and the tensions of the warp yarns 7, equalizes the tensions of the warp yarns 7 using its own weight, and keeps the tensions in a certain range.
  • the main controller of the loom 4 may monitor elapse of the period from the time at which the loom is restarted to the second time as follows.
  • a time corresponding to a period from the time at which the loom is restarted to the second time is preset in the timer of the main controller of the loom 4.
  • the main controller of the loom 4 After restarting the loom, at the time at which the timer outputs a signal indicating that the second time has arrived, the main controller of the loom 4 outputs a signal for moving the fluid-pressure cylinder 15 in a direction opposite to the operation direction to the controllers 23, 31, and 66 of the warp tension adjusting device 3.
  • the controllers 23, 31, and 66 cause the fluid-pressure cylinder 15 to be moved in a direction opposite to the operation direction, and removes an urging force from the first dancer roller 10a.
  • a controller 74 may maintain the second solenoid valve 29 to be in an energized state (ON) at the time at which the first solenoid valve 51 is switched to a non-energized state (OFF), and may switch the channel for supplying compressed air to the second pressure chamber 26 from the second fluid channel 75b to the first fluid channel 75a at the time at which a signal from the position detector 22 becomes OFF by switch the second solenoid valve 29 to a non-energized state (OFF).
  • the displacement velocity changes from a lower velocity to a higher velocity.
  • the link mechanism 12 includes the third lever 20 and the engagement member 21, and the urging device 11 does not support the weight of the first dancer roller 10a, which corresponds to an urging roller.
  • the weight of the urging roller may be directly supported by the fluid-pressure cylinder 15 of the urging device 11 without providing the engagement member 21 and the third lever 20 in the link mechanism 12.
  • the warp tension adjusting device 3 may include an urging roller that is connected to the urging device 11 and a dancer roller that is not connected to the urging device and that is independent from the urging roller.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP13002405.2A 2012-05-25 2013-05-06 Verfahren zum Drängen von Kettfäden in eine Kettspannungseinstellvorrichtung einer Reifencord-Webvorrichtung und Kettspannungseinstellvorrichtung Not-in-force EP2666895B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17000559.9A EP3208372A3 (de) 2012-05-25 2013-05-06 Verfahren zum beaufschlagen mit spannung von kettfäden in eine kettspannungseinstellvorrichtung einer reifencord-webvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012120041A JP6118508B2 (ja) 2012-05-25 2012-05-25 タイヤコード製織装置の経糸張力調整装置における経糸付勢方法

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP17000559.9A Division EP3208372A3 (de) 2012-05-25 2013-05-06 Verfahren zum beaufschlagen mit spannung von kettfäden in eine kettspannungseinstellvorrichtung einer reifencord-webvorrichtung
EP17000559.9A Division-Into EP3208372A3 (de) 2012-05-25 2013-05-06 Verfahren zum beaufschlagen mit spannung von kettfäden in eine kettspannungseinstellvorrichtung einer reifencord-webvorrichtung

Publications (3)

Publication Number Publication Date
EP2666895A2 true EP2666895A2 (de) 2013-11-27
EP2666895A3 EP2666895A3 (de) 2016-10-19
EP2666895B1 EP2666895B1 (de) 2018-02-21

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EP17000559.9A Withdrawn EP3208372A3 (de) 2012-05-25 2013-05-06 Verfahren zum beaufschlagen mit spannung von kettfäden in eine kettspannungseinstellvorrichtung einer reifencord-webvorrichtung
EP13002405.2A Not-in-force EP2666895B1 (de) 2012-05-25 2013-05-06 Verfahren zum Drängen von Kettfäden in eine Kettspannungseinstellvorrichtung einer Reifencord-Webvorrichtung und Kettspannungseinstellvorrichtung

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EP17000559.9A Withdrawn EP3208372A3 (de) 2012-05-25 2013-05-06 Verfahren zum beaufschlagen mit spannung von kettfäden in eine kettspannungseinstellvorrichtung einer reifencord-webvorrichtung

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EP (2) EP3208372A3 (de)
JP (1) JP6118508B2 (de)
CN (2) CN203229712U (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111850767A (zh) * 2020-07-08 2020-10-30 浙江万里虹纺织科技股份有限公司 一种整经机
CN113467245A (zh) * 2021-07-15 2021-10-01 北京信息科技大学 飞行器的分数阶滑模控制方法、装置及系统

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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JP6118508B2 (ja) * 2012-05-25 2017-04-19 津田駒工業株式会社 タイヤコード製織装置の経糸張力調整装置における経糸付勢方法
JP6513000B2 (ja) * 2015-09-15 2019-05-15 津田駒工業株式会社 タイヤコード織布製織用織機における製織管理方法及び製織管理装置
CN105256446B (zh) * 2015-10-21 2018-04-24 林舒馨 一种应用于储纬器的纬纱张力装置
US20220176652A1 (en) * 2019-03-29 2022-06-09 Toray Industries, Inc. Fiber placement device
CN111572212B (zh) * 2020-06-09 2023-10-13 深圳市博泰数码智能技术有限公司 一种浮动辊机构、数码标签印刷机及安装方法

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JPH11117149A (ja) 1997-08-14 1999-04-27 Lindauer Dornier Gmbh 製織設備で特に自動車タイヤ用コード布の製造時にタテ糸を強制的に緊張するための方法及びその方法の実施のための製織設備

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JP5520717B2 (ja) * 2010-07-06 2014-06-11 津田駒工業株式会社 テンプル位置自動切換機構を有する織機のテンプル装置及びそのテンプルの駆動方法
CN102212930A (zh) * 2011-06-08 2011-10-12 苏州大学 一种用于喷气织机的经纱张力控制方法及装置
JP6118508B2 (ja) * 2012-05-25 2017-04-19 津田駒工業株式会社 タイヤコード製織装置の経糸張力調整装置における経糸付勢方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11117149A (ja) 1997-08-14 1999-04-27 Lindauer Dornier Gmbh 製織設備で特に自動車タイヤ用コード布の製造時にタテ糸を強制的に緊張するための方法及びその方法の実施のための製織設備

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111850767A (zh) * 2020-07-08 2020-10-30 浙江万里虹纺织科技股份有限公司 一种整经机
CN113467245A (zh) * 2021-07-15 2021-10-01 北京信息科技大学 飞行器的分数阶滑模控制方法、装置及系统
CN113467245B (zh) * 2021-07-15 2023-06-02 北京信息科技大学 飞行器的分数阶滑模控制方法、装置及系统

Also Published As

Publication number Publication date
JP6118508B2 (ja) 2017-04-19
CN103422232A (zh) 2013-12-04
CN103422232B (zh) 2016-03-02
EP3208372A3 (de) 2017-11-01
EP3208372A2 (de) 2017-08-23
CN203229712U (zh) 2013-10-09
EP2666895B1 (de) 2018-02-21
JP2013245418A (ja) 2013-12-09
EP2666895A3 (de) 2016-10-19

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