EP3609633B1 - Installation de régulation de la tension d'un monofilament métallique et d'enroulage du monofilament métallique - Google Patents

Installation de régulation de la tension d'un monofilament métallique et d'enroulage du monofilament métallique Download PDF

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Publication number
EP3609633B1
EP3609633B1 EP18715729.2A EP18715729A EP3609633B1 EP 3609633 B1 EP3609633 B1 EP 3609633B1 EP 18715729 A EP18715729 A EP 18715729A EP 3609633 B1 EP3609633 B1 EP 3609633B1
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EP
European Patent Office
Prior art keywords
regulating
winding
tension
critical
pulley
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.)
Active
Application number
EP18715729.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3609633A1 (fr
Inventor
Pascal BERTHO
Gaëtan DAVAYAT
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.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
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Publication date
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Publication of EP3609633A1 publication Critical patent/EP3609633A1/fr
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Publication of EP3609633B1 publication Critical patent/EP3609633B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/003—Regulation of tension or speed; Braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
    • B21C1/12—Regulating or controlling speed of drawing drums, e.g. to influence tension; Drives; Stop or relief mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • 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
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/36—Floating elements compensating for irregularities in supply or take-up of material
    • 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
    • B65H59/385—Regulating winding 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
    • B65H2701/30—Handled filamentary material
    • B65H2701/36—Wires

Definitions

  • the subject of the invention is an installation for regulating the tension of a metallic monofilament and for winding the metallic monofilament.
  • the invention applies to any type of metal monofilament and in particular to carbon steel monofilaments forming a metal reinforcement intended for use in a tire.
  • the document JP 2002 282929 A discloses an installation for regulating the tension of a metallic monofilament and winding the metallic monofilament.
  • installations for manufacturing a metallic monofilament comprising, in this order in the direction of travel of the metallic monofilament, a device for drawing the metallic monofilament, a device for straightening the metallic monofilament and a device for drawing the metallic monofilament.
  • the metallic monofilament obtained from a drawing device is a monofilament which has a bend as low as possible in order to avoid any problem of flatness of the wire. 'a web resulting from the calendering of several of these metal monofilaments. Indeed, non-planar plies give rise to problems of cutting and joining the plies together during the manufacture of tires.
  • the object of the invention is to provide a device and a method for winding and regulating the tension making it possible to obtain a straight metal monofilament.
  • the present invention relates to an installation for regulating the tension of a metallic monofilament and for winding the metallic monofilament according to claim 1.
  • the installation according to the invention makes it possible to reduce or even eliminate the introduction of an additional hanger in the metal monofilament during the winding step.
  • the tension applied to the metallic monofilament is only a function of the weight of the pulley (s), the number of pulleys, the speed of winding as well as its piloting.
  • the tolerable additional hanger a person skilled in the art will determine the number and nature of the pulley (s), the mass of the elements of the regulating device applying a tension to the metal monofilament but also the winding tension value. critical superior.
  • the regulating means make it possible to reduce the speed of rotation of the winding reel and therefore the winding voltage. applied to metallic monofilament. This limits the introduction of additional hanger in the metal monofilament. It is therefore by acting on the winding speed that the winding tension, and therefore the additional hanger, are controlled.
  • metal monofilament is understood to mean a monofilament made from a metallic material, this material possibly consisting of a metallic core and optionally of one or more layers of metallic or non-metallic coating.
  • coating layers can for example be a layer of brass, a layer of an adhesive composition or else a layer of an adhesion primer.
  • Such a metal monofilament has a main axis describing a substantially rectilinear path when it is held under low tension. In other words, it is not preformed, has no helical or wave shape, and is not assembled (in contact) with another metallic monofilament.
  • the invention finally relates to a method for regulating the tension of a metal monofilament and for winding the metal monofilament by means of the installation for regulating the tension of a metal monofilament and for winding the metal monofilament according to invention, method in which a critical threshold is detected of an indicator of the winding tension of the metallic monofilament corresponding to a critical upper winding tension value, and wherein when the indicator reaches the critical threshold corresponding to the critical upper winding voltage value, the rotational speed of the winding spool is reduced.
  • an installation 2 for regulating the tension of a metal monofilament 4 and for winding the metal monofilament 4 according to a first embodiment.
  • This installation 2 comprises a device 6 for regulating the tension of the metallic monofilament 4 and a winding device 8 of the metallic monofilament 4.
  • the winding device 8 is arranged downstream of the regulating device 6 in the direction of travel of the metallic monofilament 4.
  • the purpose of the tension regulating device 6 is to regulate the tension of the metal monofilament 4 before the winding step and to avoid the introduction of an intolerable additional hanger in the metal monofilament 4.
  • a tension too high winding can lead to the introduction of an intolerable additional hanger in the metal monofilament 4 when winding the metal monofilament 4.
  • a too low winding tension can cause a floating phenomenon, the metal monofilament 4 then running the risk of coming out of the elements of the installation 2, in particular the guide elements. It is therefore preferable to maintain a certain tension without, however, exceeding a critical upper winding tension.
  • the device 6 for regulating the tension of the metallic monofilament 4 comprises a frame 10 and at least one pulley 12 for regulating the tension of the metallic monofilament 4.
  • the regulating pulley 12 comprises a pulley roller 13.
  • This roller 13 is monolithic and is here made of a material having a density less than or equal to 7 g.cm-3, preferably 2 g.cm-3, in this case in a polymeric material, here nylon.
  • the pulley is an element which is subjected to high mechanical stresses. The material of the roller which is in contact with the monofilament must therefore be strong enough to withstand tensile stresses but also wear by friction.
  • the roller 11 has a winding diameter Dc. of the metallic monofilament 4 at least partly around the roller 11.
  • the diameter Dc verifies the relationship Dc> 200.d in which d is the diameter of the metallic monofilament 4.
  • the regulating pulley 12 is mounted to be movable in rotation with respect to the frame 10 about an axis of rotation 14, for example by means of a bearing interposed between the roller 11 and the axis 14 or else by direct contact between the roller 11 and the axis 14.
  • the regulating pulley 12 is mounted movable in translation relative to the frame 10 in a direction substantially perpendicular to its axis of rotation 14.
  • the regulating pulley 12 is arranged so as to be freely movable in translation with respect to the frame 10 under the effect of its own weight and of the tension of the metal monofilament 4 which is wound at least partially around the regulating pulley 12.
  • the regulating pulley 12 is not not motorized, nor actuated by any mechanical device capable of giving it a movement other than the metallic monofilament 4 and its own weight.
  • the regulating device 6 can also comprise at least one return pulley 13 of the metal monofilament 4 mounted to be able to rotate with respect to the frame 10 about an axis of rotation 15, the return pulley 13 being fixed in translation with respect to the frame.
  • the return pulley 13 comprises a pulley roller 17.
  • the roller 17 has a winding diameter Dr of the metallic monofilament 4 at least partially around the roller 17.
  • the diameter Dr verifies the relationship Dr> 200.d.
  • the regulating device 6 also comprises means 16 for detecting at least one critical threshold of an indicator of the winding tension of the metallic monofilament 4 corresponding to a higher critical winding tension value.
  • the regulating device 6 also comprises means 16 for detecting at least one critical threshold of an indicator of the winding tension of the metallic monofilament 4 corresponding to a lower critical winding tension value.
  • the critical upper winding tension value corresponds to a maximum tension to which the metallic monofilament 4 can be subjected without this representing a risk of introducing an intolerable hanger into the metallic monofilament 4.
  • the winding tension value critical lower corresponds to a minimum tension to which the metallic monofilament 4 can be subjected without this representing a risk of floating of the metallic monofilament 4.
  • the regulating device 6 may comprise means for guiding in curvilinear translation 28 of the regulating pulley 12 relative to the frame 10. These means for guiding in curvilinear translation 28 are here means for guiding in circular translation.
  • the means for guiding in rotation 28 may comprise a lever 30 carrying the regulating pulley 12. Said regulating pulley is mounted to be movable in rotation with respect to the lever 30. The lever is mounted to be movable in rotation with respect to the frame 10 around a axis of rotation 32 of the lever.
  • the axis of rotation 32, the axis of rotation 15 and the axis of rotation 14 are preferably mutually parallel.
  • the indicator of the winding tension of the metallic monofilament corresponds to the position of the regulating pulley 12. It is therefore the position of the regulating pulley 12 which will be detected by the detection means. 16.
  • the detection means 16 comprise means for detecting at least one critical position of the regulating pulley 12 corresponding to the critical upper winding tension value and at least one critical position of the regulating pulley 12 corresponding to a lower critical winding tension value.
  • the detection means 16 can for example be optical detectors or magnetic detectors.
  • the detection means comprise a photoelectric cell.
  • optical detectors or magnetic detectors makes it possible to refine the detection of the critical threshold of an indicator of the winding voltage of the monofilament, and thus allows more precise regulation of this voltage.
  • Said winding device 8 also comprises means 22 for driving the winding coil in rotation around the winding axis 20, for example a motor.
  • the regulating means 24 are arranged so as to increase the speed of rotation of the winding reel 18 when the indicator reaches the critical threshold corresponding to the critical lower winding voltage value, and here when the Regulating pulley 12 reaches the critical position corresponding to the critical lower winding tension value.
  • the increase in the speed of rotation of the winding reel 18 makes it possible to increase the winding tension.
  • the winding tension is therefore controlled by acting on the winding speed of the metallic monofilament 4.
  • the regulating means 24 of the drive means 22 are arranged so that the critical upper winding tension value is less than or equal to 1000 g.
  • Said regulating means 24 of the drive means 22 can for example be arranged so that the critical upper winding tension value is less than or equal to 800 g, preferably 600 g and more preferably 500 g.
  • Said means for regulating the drive means 24 can be arranged so that the critical lower winding tension value is greater than or equal to 150 g, preferably 200 g and more preferably 300 g.
  • the regulating device 6 comprises means for guiding in rectilinear translation 34 of the regulating pulley 12 relative to the frame 10.
  • the detection means 16 comprise means for measuring the winding tension 26 of the metallic monofilament 4 between the regulating device 6 and the winding device 8.
  • the regulating means 24 are arranged to reduce the rotational speed of the winding spool 18 when the winding tension of the metallic monofilament 4 rises above the critical upper winding tension value and arranged in such a manner. to increase the rotation speed of the winding spool 18 when the winding tension of the metallic monofilament 4 falls below the critical lower winding tension value.
  • the regulating means 24 are arranged to increase the speed of rotation of the winding spool as long as the indicator exceeds the critical threshold corresponding to the critical lower winding voltage value.
  • the regulating means 24 are arranged so as to increase the speed of rotation of the winding reel 18 as long as the winding voltage of the metallic monofilament 4 is below the voltage value d. 'critical lower winding.
  • the means for guiding the regulating pulley 12 shown in figure 3 are means for guiding in curvilinear translation 28.
  • this embodiment may alternatively comprise means for guiding in rectilinear translation 34.
  • the regulation means 24 are integrated into the structure of the drive means 22 and are therefore not shown in the figure. figure 3 .
  • Each regulating pulley 12 is mounted to move in translation with respect to the frame 10 in a direction substantially perpendicular to the common axis 14 of rotation of the regulating pulleys 12a, 12b, 12c.
  • Each regulating pulley 12a, 12b, 12c comprises a corresponding roller 11a, 11b, 11c.
  • the regulating pulleys are arranged so as to be freely movable in translation with respect to the frame 10 under the effects of the tension of the monofilament 4 and of the weight of the regulating pulleys 12a, 12b, 12c.
  • the multiplication of the regulating pulleys makes it possible to increase the length of the path of the mono metallic filament and to reduce the winding tension applied to the mono metallic filament 4.
  • the regulating device may also comprise several return pulleys 13a, 13b, 13c of the metal monofilament 4 mounted to be able to rotate with respect to the frame 10 about a common axis 15 of rotation of the return pulleys, each return pulley being fixed in translation with respect to the frame.
  • Each return pulley 13a, 13b, 13c comprises a corresponding roller 17a, 17b, 17c.
  • the deflection pulleys 13a, 13b, 13c can be movable in rotation independently of one another for the same reasons as for the regulating pulleys 12a, 12b, 12c.
  • the mass of the pulley or pulleys exerts a force opposite to that of the winding tension.
  • the mass of the pulley (s) will act on the winding tension. Too high a mass may increase the voltage too much.
  • the mass of the regulating pulley or pulleys 12 can therefore be less than or equal to 1500 g, preferably 800 g.
  • a critical threshold is detected of an indicator of the winding tension of the metallic monofilament 4 corresponding to a lower critical winding tension value and when the indicator reaches the critical threshold corresponding to the value of Lower critical winding voltage, the rotational speed of the winding coil 18 is increased.
  • the speed of rotation of the winding reel is reduced as long as the indicator exceeds the critical threshold corresponding to the critical upper winding voltage value and the speed of rotation of the winding reel is increased as long as the indicator exceeds the critical threshold corresponding to the critical lower winding voltage value.
  • At least one critical position of the regulating pulley 12 corresponding to the critical upper winding tension value is detected and at least one critical position of the regulating pulley 12 corresponding to a lower critical winding tension value.
  • the rotational speed of the winding spool 18 is reduced when the regulating pulley 12 reaches the critical position corresponding to the critical upper winding tension value and the rotational speed of the winding spool 18 is increased when the Regulating pulley 12 reaches the critical position corresponding to a critical lower winding tension value.
  • the rotational speed of the winding spool 18 is reduced as long as the regulating pulley 12 exceeds the critical position corresponding to the upper critical winding tension value and the speed is increased. of the winding spool 18 as long as the regulating pulley 12 exceeds the critical position corresponding to a lower critical winding tension value.
  • the pulley moves between the two critical positions according to the variations in tension of the metallic monofilament 4.
  • the winding tension of the metallic monofilament 4 is measured between the regulating device 6 and the winding device 8.
  • the speed of rotation of the winding spool 18 is reduced when the winding tension of the metallic monofilament 4 passes above the critical upper winding tension value and the spool of rotation is increased. winding 18 when the winding tension of the metallic monofilament 4 falls below a critical lower winding tension value.
  • the rotational speed of the winding spool 18 is reduced as long as the winding tension of the metallic monofilament 4 is above the critical upper winding tension value and increases the rotational speed of the winding spool 18 as long as the winding tension of the metallic monofilament 4 is below the critical lower winding tension value.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
EP18715729.2A 2017-04-11 2018-04-09 Installation de régulation de la tension d'un monofilament métallique et d'enroulage du monofilament métallique Active EP3609633B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1753136A FR3064934A1 (fr) 2017-04-11 2017-04-11 Installation de regulation de la tension d'un monofilament metallique et d'enroulage du monofilament metallique
PCT/EP2018/059053 WO2018189119A1 (fr) 2017-04-11 2018-04-09 Installation de régulation de la tension d'un monofilament métallique et d'enroulage du monofilament métallique

Publications (2)

Publication Number Publication Date
EP3609633A1 EP3609633A1 (fr) 2020-02-19
EP3609633B1 true EP3609633B1 (fr) 2021-06-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18715729.2A Active EP3609633B1 (fr) 2017-04-11 2018-04-09 Installation de régulation de la tension d'un monofilament métallique et d'enroulage du monofilament métallique

Country Status (6)

Country Link
EP (1) EP3609633B1 (ko)
KR (1) KR102410232B1 (ko)
CN (1) CN110520226A (ko)
ES (1) ES2883423T3 (ko)
FR (1) FR3064934A1 (ko)
WO (1) WO2018189119A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3766814B1 (de) * 2019-07-16 2024-09-04 Komax Holding Ag Kabelzuführungseinrichtung, kabelverarbeitungssystem und verfahren zum zuführen eines kabels zu einer kabelverarbeitungsmaschine
CN113548531A (zh) * 2020-04-23 2021-10-26 亚亚科技股份有限公司 自动调整料带拉力的料带输送装置

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Publication number Priority date Publication date Assignee Title
US2834556A (en) * 1954-02-16 1958-05-13 Kraft August Lucas Tension control device
FR2670694B1 (fr) * 1990-12-21 1993-02-19 Alcatel Cuivre Dispositif de trefilage multifilaire et meche obtenue a l'aide de ce dispositif.
JP3201074B2 (ja) * 1993-05-27 2001-08-20 三菱電機株式会社 ワイヤ電極供給装置
DE29817551U1 (de) * 1998-10-01 1999-01-07 Hsieh, Lung-Tsun, San-Chung, Taipeh Vorspannungsvorrichtung für eine Drahtziehmaschine
JP2002282929A (ja) * 2001-03-27 2002-10-02 Nittetsu Micro Metal:Kk スリップ型伸線機による金属細線の伸線方法及び伸線装置
FR2888157B1 (fr) * 2005-07-08 2009-10-09 Michelin Soc Tech Methode de regulation de tension d'un renfort de pneumatique
JP2010222088A (ja) * 2009-03-23 2010-10-07 Kobe Steel Ltd 溶接ワイヤ巻替え方法
CN104944215A (zh) * 2014-03-26 2015-09-30 宁波市鄞州飞达电动工具厂 一种自动绕线机
CN204011044U (zh) * 2014-06-05 2014-12-10 江苏美时医疗技术有限公司 一种磁体超导线绕制控制装置
CN104328583A (zh) * 2014-10-22 2015-02-04 杭州创兴织造设备科技有限公司 一种在经轴输出经线处的张力检测机构
CN204508420U (zh) * 2015-02-05 2015-07-29 神宇通信科技股份公司 带有储线装置的电缆成圈装置

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Also Published As

Publication number Publication date
ES2883423T3 (es) 2021-12-07
FR3064934A1 (fr) 2018-10-12
EP3609633A1 (fr) 2020-02-19
KR102410232B1 (ko) 2022-06-20
CN110520226A (zh) 2019-11-29
KR20190134643A (ko) 2019-12-04
WO2018189119A1 (fr) 2018-10-18

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