EP3609633A1 - 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 métalliqueInfo
- Publication number
- EP3609633A1 EP3609633A1 EP18715729.2A EP18715729A EP3609633A1 EP 3609633 A1 EP3609633 A1 EP 3609633A1 EP 18715729 A EP18715729 A EP 18715729A EP 3609633 A1 EP3609633 A1 EP 3609633A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- critical
- tension
- metal monofilament
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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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 invention relates to an installation for regulating the tension of a metal monofilament and winding of the metal monofilament.
- the invention applies to all types of metal monofilaments and in particular carbon steel monofilaments forming a metal reinforcement for use in a tire.
- metal monofilament manufacturing facilities comprising in this order in the direction of travel of the metal monofilament, a drawing device of the metal monofilament, a device for training the metal monofilament and a device for winding of the metal monofilament for storing the metal monofilament and comprising a storage coil around which the metal monofilament is wound.
- the metal monofilament from a drawing device is a monofilament which has a hanger as low as possible to avoid any problem of flatness a ply resulting from the calendering of several of these metal monofilaments. Indeed, non-planar webs cause problems of cutting and butting webs together during the manufacture of tires.
- the object of the invention is to provide a device and a method of winding and regulating the voltage to obtain a straight metal monofilament.
- the subject of the present invention is an installation for regulating the tension of a metallic mono filament and for winding up the metallic single filament, comprising:
- the regulating device comprising: a frame,
- the winding device comprising:
- a winding spool movable in rotation about a winding axis, means for rotating the winding spool around the winding axis,
- the installation comprising means for regulating the drive means connected to the drive means and to the detection means so as to reduce the speed of rotation of the winding spool when the indicator reaches the critical threshold corresponding to the value higher winding tension value, the control means being arranged so that the critical upper winding tension value is less than or equal to 1000 g.
- the installation according to the invention makes it possible to reduce or eliminate the introduction of additional hanger in the metal monofilament during the winding step.
- the tension applied to the metal monofilament is solely a function of the weight of the pulley or pulleys, the number of pulleys, the speed of the winding as well as its piloting.
- the skilled person will determine the number and nature of the pulley or pulleys, the mass of the elements of the regulating device applying a voltage on the metal monofilament but also the voltage value of critical upper winding.
- the regulation means make it possible to reduce the rotational speed of the winding spool and therefore the winding tension. applied to the 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 means a monofilament made of a metallic material, this material may consist of a metal core and optionally one or more layers of metallic or non-metallic coating. Such coating layers may for example be a brass layer, a layer of an adhesive composition or a layer of an adhesion primer. Such a metal monofilament has a main axis describing a substantially straight path when held under low voltage. In other words, it is not preformed, has no helical or wave shape and is not assembled (in contact) with another metal monofilament.
- the installation according to the invention may also comprise one or more of the following characteristics, considered individually or in any technically possible combination:
- the regulating means are arranged to reduce the rotational speed of the winding spool as long as the indicator exceeds the critical threshold corresponding to the critical upper winding tension value.
- the decrease in the speed of rotation is continuous until the value of the winding voltage becomes sufficiently low, that is to say as long as the indicator exceeds the critical threshold corresponding to the voltage value. critical upper winding.
- the regulating means are 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.
- the higher the critical upper winding tension value the larger the additional bend introduced into the metal monofilament.
- the installation comprises means for detecting at least one critical threshold of an indicator of the winding tension of the metal monofilament corresponding to a critical lower winding tension value; and or
- the control means of the drive means are connected to the drive means and to the detection means in such a way as to increase the rotation speed of the winding spool when the indicator reaches the critical threshold corresponding to the tension value of the winding spool. critical bottom winding.
- the regulating means are arranged to increase the rotational speed of the winding spool as long as the indicator exceeds the critical threshold corresponding to the critical lower winding tension value.
- the increase in the speed of rotation is continuous until the value of the winding voltage becomes sufficiently high, that is to say as long as the indicator exceeds the critical threshold corresponding to the voltage value. bottom winding critical.
- control means are arranged such that the critical lower winding voltage value is greater than or equal to 150 g, preferably 200 g, more preferably 300 g.
- the detection means comprise means for measuring the winding tension of the metal monofilament between the regulating device and the winding device. Such detection means make it possible to directly determine the winding tension of the metal monofilament.
- the indicator of the winding tension is, in this embodiment, the winding tension of the metal monofilament itself.
- the means for measuring the tension are arranged downstream of the regulating device and upstream of the winding arrangement; and or
- the regulating means is arranged to reduce the rotational speed of the winding spool when the winding tension of the metal monofilament goes above the critical upper winding tension value;
- the regulating means are arranged to increase the rotational speed of the winding spool when the winding tension of the metal monofilament falls below the critical lower winding tension value;
- the regulating means is arranged to reduce the rotation speed of the winding spool as long as the winding tension of the metal monofilament is above the critical upper winding tension value; and or The regulating means is arranged to increase the rotational speed of the winding spool when the winding tension of the metal monofilament is below the critical lower winding tension value; and or
- the regulating means are arranged to increase the rotational speed of the winding spool as long as the winding tension of the metal monofilament is below the critical lower winding tension value; and or
- the detection means comprise means for detecting at least one critical position of the control pulley corresponding to the critical upper winding tension value.
- Such detection means can indirectly determine the winding tension of the metal monofilament.
- the indicator of the winding tension is, in this embodiment, the position of the control pulley.
- the only detection of the critical position is sufficient to detect the attainment of the critical upper winding voltage value contrary to the embodiment in which the winding tension is measured directly and in which continuous measurement is necessary.
- the critical position can be characterized by an angle value or a function of the angle value, a coast value or a function of the coast value, the triggering of a sensor, whatever the nature of this sensor (optical, pressure, proximity, contactor, sound, etc.); and or
- the regulating means are arranged to reduce the rotational speed of the winding spool when the control pulley reaches the critical position corresponding to the critical upper winding tension value;
- the regulating means is arranged to reduce the rotational speed of the winding spool as long as the control pulley exceeds the critical position corresponding to the critical upper winding tension value;
- the detection means comprise means for detecting at least one critical position of the control pulley corresponding to the critical lower winding tension value.
- the indicator of the winding tension is, in this embodiment, the position of the control pulley.
- the only detection of the critical position is sufficient to detect the achievement of the critical lower winding voltage value unlike the embodiment in which the winding tension is measured directly and in which continuous measurement is necessary.
- the critical position can also be characterized by an angle value or a function of the angle value, a coast value or a function of the coast value, the triggering of a sensor, whatever the nature of this sensor (optical, pressure, proximity, contactor, sound, etc.); and or
- the detection means comprise means for detecting at least one critical position of the control pulley corresponding to a critical lower winding tension value; and or
- the regulating means are arranged to increase the rotational speed of the winding spool when the control pulley reaches the critical position corresponding to a critical lower winding tension value;
- the regulating means is arranged to increase the rotational speed of the winding spool as long as the control pulley exceeds the critical position corresponding to a critical lower winding tension value;
- the regulating device comprises means for guiding in curvilinear translation of the control pulley with respect to the frame, preferably means for guiding in circular translation of the control pulley with respect to the frame; and or
- the guiding means in curvilinear translation comprise a lever carrying the control pulley, the control pulley being rotatably mounted relative to the lever, the lever being rotatably mounted relative to the frame about an axis of rotation of the lever. ; and / or the regulating device comprises guiding means in rectilinear translation of the control pulley with respect to the frame; and or
- the guide means in rectilinear translation comprise a guide rail of the control pulley, the axis of the control pulley being mounted movable in translation in the guide rail; and or
- the regulating device comprises several pulleys for regulating the tension of the metal monofilament mounted to rotate with respect to the frame about a common axis of rotation of the control pulleys, each control pulley being mounted movable in translation relative to the frame according to a direction substantially perpendicular to the common axis of rotation of the control pulleys, the control pulleys being arranged to be freely movable in translation relative to the frame under the effects of the tension of the metal monofilament and the weight of the control pulleys ; and or
- control pulleys are rotatable independently of one another; and / or the regulating device comprises at least one return pulley of the metal monofilament mounted to rotate with respect to the frame about an axis of rotation of the return pulley, the return pulley being fixed in translation relative to the built; and or
- the control device comprises a plurality of metal monofilament return pulleys mounted to rotate relative to the frame about a common axis of rotation of the return pulleys, each return pulley being fixed in translation relative to the frame; and or
- the return pulleys are rotatable independently of one another; and / or the mass of the control pulley or pulleys is less than or equal to 1500 g, preferably 800 g; and or
- the or each control pulley comprises a monolithic pulley roll made of a material having a density of less than or equal to 7 gcm-3, preferably 2 gcm-3.
- Monolithic means that the roller forms a molded piece consisting of a single element unlike a roller consisting of several elements made of materials of different natures and assembled together; and or
- the roller of the or each control pulley is made of a polymeric material.
- polymeric material are nylon, polyester or polytetrafluoroethylene; and or
- the or each control pulley comprises a substantially cylindrical roller having a winding diameter Of the metal monofilament at least partly around the roller, the diameter De satisfies the relationship Dc> 200.d in which d is the diameter of the monofilament metallic.
- the or each return pulley comprises a substantially cylindrical roller having a winding diameter Dr of the metal monofilament at least partly around the roller, the diameter Dr verifies the relation Dr> 200.d in which d is the diameter of the metallic monofilament. Thanks to such return pulleys, it further reduces the risk of introduction of additional hanger; and or
- the winding spool comprises a substantially cylindrical spool hub having a winding diameter of the metal monofilament around the hub, the diameter of De>> 200 d. Again, this further reduces the risk of introducing additional clothes hanger.
- the invention finally relates to a method for regulating the tension of a metal monofilament and for winding the metallic monofilament by means of the tension regulating device of a metal monofilament and of winding the metal monofilament according to the invention, wherein a critical threshold of an indicator of the winding tension of the metal monofilament corresponding to a critical upper winding tension value is detected,
- the method may include one or more of the following features, considered individually or in any technically feasible combination:
- the rotation speed of the winding spool is reduced as long as the indicator exceeds the critical threshold corresponding to the critical upper winding tension value;
- the rotational speed of the winding spool is reduced when the winding tension of the metal monofilament goes above the critical upper winding tension value;
- the rotational speed of the winding spool is reduced as long as the winding tension of the metal monofilament is above the critical upper winding tension value;
- the rotational speed of the winding spool is increased when the winding tension of the metal monofilament falls below a critical lower winding tension value
- the rotational speed of the winding spool is increased as long as the winding tension of the metal monofilament is below the critical lower winding tension value;
- the rotational speed of the winding spool is reduced when the control pulley reaches the critical position corresponding to the critical upper winding tension value;
- the rotational speed of the winding spool is reduced as long as the control pulley exceeds the critical position corresponding to the critical upper winding tension value;
- the rotational speed of the winding spool is increased when the control pulley reaches the critical position corresponding to a critical lower winding tension value
- the rotational speed of the winding spool is increased as long as the control pulley exceeds the critical position corresponding to a critical lower winding tension value;
- the metal monofilament has a diameter d ranging from 0.05 m to 0.50 mm, preferably from 0.10 mm to 0.45 mm, more preferably from 0.25 mm to 0.45 mm and even more preferentially from 0 , 28 mm to 0.40 mm.
- the value of critical upper winding tension is less than or equal to 1000 g, preferably 800 g, more preferably 600 g and even more preferably 500 g.
- the critical lower winding tension value is greater than or equal to 150 g, preferably 200 g, more preferably 300 g.
- such a metal monofilament comprises a metal core of steel.
- the steel comprises a carbon content ranging from 0.2% to 1% by weight and more preferably from 0.4% to 0.9% by weight.
- the steel comprises a manganese content ranging from 0.3% to 0.7% by weight, a silicon content ranging from 0.1% to 0.3% by weight, and a phosphorus level of at most up to 0.045% inclusive of the mass, with a maximum sulfur content of up to 0.045% inclusive and a maximum nitrogen content of up to 0.008% inclusive.
- the steel comprises at most 0.1% inclusive, preferably 0.05% inclusive, and more preferably 0.02% including mass bound vanadium and / or molybdenum.
- the steel used comprises less than 0.5%, preferably not more than 0.05% inclusive, and more preferably not more than 0.02% inclusive of chromium.
- the steel comprises at least 0.5% inclusive, preferably at least 5% inclusive, and more preferably at least 15% inclusive, inclusive of chromium.
- a stainless steel comprises at least 2% inclusive, preferably at least 4% inclusive and more preferably at least 6% by weight nickel.
- FIG. 1 illustrates an installation for regulating the voltage and for winding up a metallic single filament according to a first embodiment
- FIG. 2 illustrates this installation according to a second embodiment
- FIG. 3 illustrates this installation according to a third embodiment
- FIGS. 4a and 4b illustrate control pulleys and return pulleys of these installations
- FIG. 5 illustrates a winding coil of these facilities.
- FIG. 1 shows a plant 2 for regulating the voltage 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 metal monofilament 4 and a winding device 8 of the metal monofilament 4.
- the winding device 8 is arranged downstream of the regulating device 6 in the direction of travel of the metal monofilament 4.
- the regulation device 6 of the voltage is intended 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 winding too high can lead to the introduction of an intolerable additional hanger in the metal monofilament 4 during the winding of the metal monofilament 4.
- a winding tension too low can cause a floating phenomenon , the metal monofilament 4 then risking out of the elements of the installation 2, including guide elements. It is therefore preferable to maintain a certain voltage without exceeding a higher critical winding voltage.
- the regulator 6 of the voltage of the metal monofilament 4 comprises a frame 10 and at least one regulating pulley 12 of the tension of the metal monofilament 4.
- the control pulley 12 comprises a roller 13 of pulley.
- This roller 13 is monolithic and is here made of a material having a density of less than or equal to 7 gcm-3, preferably 2 gcm-3, in this case in a polymeric material, here nylon.
- the pulley is an element which undergoes high mechanical stresses. The material of the roller which is in contact with the monofilament must therefore be strong enough to withstand the tensile stresses but also the frictional wear.
- the roller 11 has a winding diameter of of metal monofilament 4 at least partly around the roller 11.
- the diameter De satisfies the relationship Dc> 200.d wherein d is the diameter of the metal monofilament 4.
- the regulation pulley 12 is mounted to rotate relative 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 by direct contact between the roller 11 and the axis 14.
- control pulley 12 is mounted movable in translation relative to the frame 10 in a direction substantially perpendicular to its axis of rotation 14.
- the control pulley 12 is arranged to be freely movable in translation relative to the frame 10 under the effect of its own weight and the tension of the metal monofilament 4 which is wound at least partially around the control pulley 12.
- the control pulley 12 is not powered or actuated by any mechanical device capable of giving it a movement other than the metal monofilament 4 and its own weight.
- the regulating device 6 may also comprise at least one return pulley 13 of the metal monofilament 4 mounted to rotate with respect to the frame 10 about an axis of rotation 15, the return pulley 13 being fixed in translation relative to the 10.
- the pulley 13 comprises a roller pulley 17.
- the roller 17 has a winding diameter Dr of the metal monofilament 4 at least partly around the roller 17.
- the diameter Dr verifies the relationship Dr> 200.d.
- the axis of rotation 15 and the axis of rotation 14 are parallel to each other.
- the regulating device 6 also comprises means 16 for detecting at least one critical threshold of an indicator of the winding tension of the metal monofilament 4 corresponding to a critical upper 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 metal monofilament 4 corresponding to a critical lower winding tension value.
- the critical upper winding tension value corresponds to a maximum tension at which the metal monofilament 4 can be subjected without this posing a risk of introducing an intolerable hanger into the metal monofilament 4.
- the winding tension value lower critical corresponds to a minimum voltage to which the metal monofilament 4 can be subjected without this represents a risk of floating the metal monofilament 4.
- the regulating device 6 may comprise curvilinear translation guide means 28 of the regulation pulley 12 relative to the frame 10. These curvilinear translation guide means 28 are here circular translational guide means.
- the rotational guide means 28 may comprise a lever 30 carrying the regulation pulley 12. Said control pulley is rotatably mounted relative to the lever 30. The lever is mounted to rotate relative to the frame 10 around a rotation axis 32 of the lever.
- the axis of rotation 32, the axis of rotation 15 and the axis of rotation 14 are preferably parallel to each other.
- the indicator of the winding tension of the metal monofilament corresponds to the position of the control pulley 12. It is therefore the position of the control 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 regulation pulley 12 corresponding to the critical upper winding tension value and of at least one critical position of the regulation pulley 12 corresponding to a lower critical winding voltage value.
- the detection means 16 may 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 monofilament winding voltage, and thus allows a more precise regulation of this voltage.
- the winding device 8 comprises a winding spool 18 rotatable about a winding axis 20.
- the winding spool 8 comprises a substantially cylindrical spool hub 19 having a winding diameter of the metal monofilament 4 around the hub 19.
- the diameter De satisfies the relation De> 200.d.
- the diameter De is here the diameter of the outer surface of the hub 19 and here is between 100 mm and 380 mm, and more preferably between 100 mm and 200 mm.
- Said winding device 8 also comprises driving means 22 for rotating the winding spool around the winding axis 20, for example a motor.
- the winding axis 20, the axis 14, the axis 15 and the axis 32 may be parallel to each other.
- the installation 2 comprises control means 24 of the drive means 22.
- the control means 24 are connected to the drive means 22 and to the detection means 16.
- the control means 24 receive a signal from the detection means 16 and adjust the rotational speed of the winding spool 18 by acting on the drive means 22.
- the control means 24 are arranged to reduce the speed of rotation of the winding coil 18 when the indicator reaches the critical threshold corresponding to the critical upper winding voltage value, and here when the control pulley 12 reaches the critical position corresponding to the critical upper winding tension value. Reducing the rotational speed of the winding spool 18 makes it possible to reduce the winding tension.
- the regulation means 24 are arranged to increase the speed of rotation of the winding coil 18 when the indicator reaches the critical threshold corresponding to the critical lower winding tension value, and here when the The control pulley 12 reaches the critical position corresponding to the critical lower winding tension value. Increasing the rotational speed of the winding spool 18 makes it possible to increase the winding tension.
- the winding tension is thus controlled by acting on the winding speed of the metal monofilament 4.
- control means 24 of the drive means 22 are arranged such that the critical upper winding tension value is less than or equal to 1000 g.
- Said control means 24 of the drive means 22 may 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 control means 24 of the drive means can be arranged so that the critical lower winding voltage value is greater than or equal to 150 g, preferably 200 g and more preferably 300 g.
- the regulation means 24 are arranged to reduce the rotation speed of the coil as long as the indicator exceeds the critical threshold corresponding to the critical upper winding voltage value.
- the control means 24 are arranged to reduce the rotational speed of the winding spool 18 as the control pulley 12 exceeds the critical position corresponding to the upper winding tension value. critical.
- the regulating means 24 are arranged to increase the rotation speed of the winding coil as long as the indicator exceeds the critical threshold corresponding to the critical lower winding tension value.
- the regulating means 24 are arranged to increase the rotational speed of the winding spool 18 as long as the regulation pulley 12 exceeds the critical position corresponding to a lower winding tension value. critical.
- the regulation device 6 comprises rectilinear translation guide means 34 of the regulation pulley 12 with respect to the frame 10.
- the guiding means in rectilinear translation 34 may comprise a guiding slide 36 of the regulating pulley 12, the axis 14 of the regulating pulley being mounted movable in translation in the guiding slideway 36.
- the indicator of the winding tension of the metal monofilament corresponds to the position of the control pulley 12.
- the movement of the regulation pulley 12 relative to the frame is plus a curvilinear translation but a rectilinear translation.
- control pulley 12 the return pulley 13, the detection means 16, the winding spool 18, the driving means 22 and the regulating means 24 according to the first embodiment may be applied to this second embodiment.
- the detection means 16 comprise means for measuring the winding voltage 26 of the metal monofilament 4 between the regulating device 6 and the winding device 8.
- the means for measuring the voltage 26 may for example be a tensiometer. This embodiment makes it possible to directly measure the winding tension of the metal monofilament 4. The means for measuring the voltage 26 can complete the detection means 16 or replace them.
- the regulating means 24 are arranged to reduce the speed of rotation of the winding spool 18 when the winding tension of the metal monofilament 4 passes above the critical upper winding tension value and arranged so to increase the speed of rotation of the winding coil 18 when the winding voltage of the metal monofilament 4 passes below the critical lower winding voltage value.
- the regulation means 24 are arranged in such a way as to reduce the speed of rotation of the winding coil both the indicator exceeds the critical threshold corresponding to the critical upper winding voltage value.
- the regulating means 24 are arranged to reduce the speed of rotation of the winding coil 18 as long as the winding tension of the metal monofilament 4 is above the voltage value d critical upper winding.
- the regulating means 24 are arranged to increase the rotation speed of the winding coil as long as the indicator exceeds the critical threshold corresponding to the critical lower winding tension value.
- the regulation means 24 are arranged so as to increase the speed of rotation of the winding coil 18 as long as the winding tension of the metal monofilament 4 is below the voltage value d critical bottom winding.
- the guide means of the control pulley 12 shown in FIG. 3 are curvilinear translation guide means 28.
- this embodiment may alternatively comprise rectilinear translation guide means 34.
- the regulation means 24 are integrated in the structure of the drive means 22 and are therefore not shown in FIG.
- the installation 2 may comprise several regulating pulleys 12a, 12b, 12c of the tension of the metal monofilament 4 mounted to rotate with respect to the frame 10 around the a common axis 14 of rotation of the control pulleys 12a, 12b, 12c.
- Each control pulley 12 is mounted in translation relative to the frame 10 in a direction substantially perpendicular to the common axis 14 of rotation of the control pulleys 12a, 12b, 12c.
- Each control pulley 12a, 12b, 12c comprises a corresponding roller 11a, 11b, 11c.
- the control pulleys are arranged to be freely movable in translation relative to the frame 10 under the effects of the tension of the metal monofilament 4 and the weight of the control pulleys 12a, 12b, 12c.
- control pulleys 12a, 12b, 12c can be rotated independently of one another. Thus, a difference in speed of passage of the metal monofilament 4 from one pulley to the other will not cause additional mechanical stresses in contact with the control pulleys 12a, 12b, 12c, in particular no slip of the metal filament 4 to contact pulleys which could lead to premature wear of the rollers 13 and poor regulation of the tension of the metal monofilament 4.
- the regulation device may also comprise several return pulleys 13a, 13b, 13c of the metal monofilament 4 mounted to rotate with respect to the frame 10 about a common axis of rotation of the return pulleys, each return pulley being fixed in translation relative to the frame.
- Each return pulley 13a, 13b, 13c comprises a corresponding roller 17a, 17b, 17c.
- the multiplication of the return pulleys makes it possible to increase the length of the path of the metallic monofilament and to reduce the winding tension applied to the metal monofilament 4.
- the return pulleys 13a, 13b, 13c can be rotated independently of one another for the same reasons as for the control 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 or pulleys will act on the winding tension. Too much mass can increase the tension too much.
- the mass of the control pulley or pulleys 12 may therefore be less than or equal to 1500 g, preferably 800 g.
- the invention also relates to a method for regulating the tension of a metal monofilament and of winding of the metal monofilament 4 by means of a system for regulating the tension of a metallic mono-filament and for winding the metal.
- mono metallic filament comprising:
- a winding device 8 of the metal monofilament arranged downstream of the regulating device in the direction of travel of the metal monofilament, the winding device comprising a winding coil 18 rotatable about an axis of winding 20,
- a critical threshold of an indicator of the winding tension of the metal monofilament 4 corresponding to a critical lower winding voltage value is detected and when the indicator reaches the critical threshold corresponding to the value of lower critical winding tension, the speed of rotation of the winding spool 18 is increased.
- the rotational speed of the take-up spool is reduced as long as the indicator exceeds the critical threshold corresponding to the critical upper take-up tension value and the rotational speed of the take-up spool 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 control pulley 12 corresponding to the critical upper winding tension value is detected and at least one critical position of at least one critical position is detected.
- the control pulley 12 corresponding to a critical lower winding tension value is detected.
- the rotational speed of the take-up spool 18 is reduced when the control pulley 12 reaches the critical position corresponding to the critical upper take-up tension value and the rotational speed of the take-up spool 18 is increased when the The control 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 control pulley 12 exceeds the critical position corresponding to the critical upper winding tension value and the speed is increased. rotating the winding spool 18 as long as the control pulley 12 exceeds the critical position corresponding to a critical lower winding tension value.
- the pulley moves between the two critical positions as a function of the tension variations of the metal monofilament 4.
- the winding tension of the metal monofilament 4 is measured between the regulating device 6 and the winding device 8.
- the rotational speed of the winding spool 18 is reduced when the winding tension of the metal monofilament 4 passes above the critical upper winding tension value and the rotational speed of the spool of the spool is increased. winding 18 when the winding tension of the metal monofilament 4 goes 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 metal 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 metal monofilament 4 is below the critical lower winding tension value.
- the critical upper winding tension value is less than or equal to 1000 g, preferably 800 g, more preferably 600 g and even more preferentially 500 g. and the critical lower winding tension value is greater than or equal to 150 g, preferably 200 g, more preferably 300 g.
- a metal monofilament (4) is wound by means of a tension regulation and winding apparatus comprising:
- a device for regulating (6) the tension of the metallic monofilament a device for winding (8) the metallic monofilament arranged downstream of the regulating device in the running direction of the metallic monofilament,
- the regulating device (6) comprising:
- At least one regulating pulley (12) of the tension of the metal monofilament (4) mounted to rotate with respect to the frame (10) about an axis of rotation (14) of the control pulley, the control pulley (12) being mounted movable in translation relative to the frame (10) in a direction substantially perpendicular to the axis of rotation (14) of the control pulley, the control pulley (12) being arranged to be freely movable in translation relative to the frame (10) under the effects of the tension of the metal monofilament (4) and the weight of the control pulley, means (16) for detecting at least one critical threshold of an indicator of the winding tension of the metal monofilament (4) corresponding to a critical upper winding tension value,
- the winding device (8) comprising:
- winding spool (18) rotatable about a winding axis (20), driving means (22) for rotating the winding spool (18) about the winding axis (20)
- the plant (2) comprising regulating means (24) for driving means (22) connected to the driving means (22) and the detecting means (16) so as to reduce the rotational speed of the reel winding (18) when the indicator reaches the critical threshold corresponding to the critical upper winding voltage value.
- the winding spool has a winding diameter of 200 mm.
- control pulley (12) is 80 mm. Different tests are carried out. For each test, 5 samples of 600 mm are taken from which the hanger is measured, that is to say, by laying the sample flat, the maximum distance between the sample and a straight line passing through both ends of the sample, the distance being measured on a perpendicular to this straight line. The average of the 5 measurements is calculated.
- the results are expressed in base 100, 100 corresponding to the hanger obtained on average with a steel roller and a winding tension, typical of the prior art, of 2500 g. A value less than 100 corresponds to a lower hanger.
- the results are recorded in the following table.
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)
Abstract
Description
Claims
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 |
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EP3609633A1 true EP3609633A1 (fr) | 2020-02-19 |
EP3609633B1 EP3609633B1 (fr) | 2021-06-09 |
Family
ID=58993108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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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 |
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EP (1) | EP3609633B1 (fr) |
KR (1) | KR102410232B1 (fr) |
CN (1) | CN110520226A (fr) |
ES (1) | ES2883423T3 (fr) |
FR (1) | FR3064934A1 (fr) |
WO (1) | WO2018189119A1 (fr) |
Families Citing this family (2)
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EP3766814B1 (fr) * | 2019-07-16 | 2024-09-04 | Komax Holding Ag | Dispositif d'acheminement de câble, système d'usinage de câble et procédé d'acheminement d'un câble dans une machine d'usinage de câble |
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 |
Family Cites Families (11)
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 |
-
2017
- 2017-04-11 FR FR1753136A patent/FR3064934A1/fr active Pending
-
2018
- 2018-04-09 KR KR1020197029392A patent/KR102410232B1/ko active IP Right Grant
- 2018-04-09 EP EP18715729.2A patent/EP3609633B1/fr active Active
- 2018-04-09 CN CN201880024477.XA patent/CN110520226A/zh active Pending
- 2018-04-09 WO PCT/EP2018/059053 patent/WO2018189119A1/fr unknown
- 2018-04-09 ES ES18715729T patent/ES2883423T3/es active Active
Also Published As
Publication number | Publication date |
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KR20190134643A (ko) | 2019-12-04 |
CN110520226A (zh) | 2019-11-29 |
EP3609633B1 (fr) | 2021-06-09 |
FR3064934A1 (fr) | 2018-10-12 |
WO2018189119A1 (fr) | 2018-10-18 |
KR102410232B1 (ko) | 2022-06-20 |
ES2883423T3 (es) | 2021-12-07 |
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