EP2366650B1 - Machine de bobinage de fil - Google Patents

Machine de bobinage de fil Download PDF

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Publication number
EP2366650B1
EP2366650B1 EP20110153186 EP11153186A EP2366650B1 EP 2366650 B1 EP2366650 B1 EP 2366650B1 EP 20110153186 EP20110153186 EP 20110153186 EP 11153186 A EP11153186 A EP 11153186A EP 2366650 B1 EP2366650 B1 EP 2366650B1
Authority
EP
European Patent Office
Prior art keywords
yarn
traverse
package
section
arm
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
EP20110153186
Other languages
German (de)
English (en)
Other versions
EP2366650A3 (fr
EP2366650A2 (fr
Inventor
Yasunobu Tanigawa
Katsufumi Muta
Tetsuya Namikawa
Hideshige Mori
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.)
Murata Machinery Ltd
Original Assignee
Murata Machinery 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 Murata Machinery Ltd filed Critical Murata Machinery Ltd
Publication of EP2366650A2 publication Critical patent/EP2366650A2/fr
Publication of EP2366650A3 publication Critical patent/EP2366650A3/fr
Application granted granted Critical
Publication of EP2366650B1 publication Critical patent/EP2366650B1/fr
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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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2827—Traversing devices with a pivotally mounted guide arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/003—Arrangements for threading or unthreading the guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/006—Traversing guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/08—Automatic end-finding and material-interconnecting arrangements
    • B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • B65H67/085—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • 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
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a yarn winding machine that winds yarn around a winding tube while traversing the yarn.
  • Japanese Unexamined Patent Publication No. 2006-298499 or Japanese Unexamined Patent Application Publication (Translation of PCT Application) No. 2002-518276 discloses a yarn traverse device including a yarn guide that guides the yarn while engaging the yarn, a traverse arm in which the yarn guide is attached to a tip end thereof, and a driving device that reciprocates the traverse arm.
  • the driving device reciprocates (swings) the traverse arm, which allows the yarn to be wound into a package while the yarn guide section traverses the yarn.
  • a yarn winding machine including a yarn joining device and yarn guiding member for guiding the yarn to the yarn joining device.
  • the yarn joining device connects a yarn end from a yarn supplying bobbin and a yarn end from a package when the yarn is cut due to detection of a yarn defect or when the yarn breaks while being unwound.
  • Japanese Unexamined Patent Publication No. 2007-153554 discloses this kind of yarn winding machine.
  • Japanese Unexamined Patent Application Publication (Translation of PCT Application) No. 2002-518276 the bending of the yarn path near the traverse ends is reduced.
  • the yarn winding machine disclosed in Japanese Unexamined Patent Application Publication (Translation of PCT Application) No. 2002-518276 is a take-up winder, the yarn winding machine does not include the yarn joining device and the yarn guiding member. Therefore, Japanese Unexamined Patent Application Publication (Translation of PCT Application) No. 2002-518276 does not disclose how to arrange the above members while reducing the bending of the yarn path.
  • the traverse arm is moved to an outside of a traverse width to prevent a collision of the traverse arm with a suction mouth (yarn guiding member), when the suction mouth catches the yarn end from the package.
  • a suction mouth needle guiding member
  • the suction mouth cannot catch the yarn end from the package until the traverse arm is retreated. Therefore, production efficiency of the yarn winding machine is decreased, and the collision of the traverse arm with the suction mouth is possibly generated due to an error in operation.
  • the bobbin winder comprises a yarn supplying section adapted to supply yarn to be wound into a package; a winding tube supporting section adapted to rotatably support a winding tube around which the yarn is wound to form the package; a traverse arm arranged to traverse the yarn, the traverse arm having a yarn guide section for guiding the yarn, the yarn guide section being arranged at a tip end of the traverse arm; and a traverse driving section adapted to rotationally drive the traverse arm.
  • the bobbin winder further comprises a yarn joining device that connects a yarn end from the package and a yarn end from the yarn supplying section; and a yarn guiding member adapted to catch the yarn end from the package and guide such yarn end.
  • EP2105398 shows a bobbin winder with a traverse device.
  • a package driving motor rotationally drives a winding bobbin around which a yarn is wound.
  • a traverse guide traverses the yarn.
  • the traverse guide is reciprotatingly driven by a traverse guide driving motor.
  • a reference position serving as a reference for the reciprocating driving is determined by a reference position determining section and stored In a reference position storage section.
  • a motor control section controls the traverse guide driving motor by continuously applying, from beginning to end of winding, the reference position determined by the reference position calculating section and stored in the reference position storage section before the yarn starts to be wound into the package.
  • the yarn path between a yarn supplying section and the winding bobbin is bent by an arcade guide before it is traversed by the traverse guide.
  • EP1728749 (A2 ) shows a further bobbin winder with a traverse device.
  • An object of the present invention is to provide a yarn winding machine in which a collision of the traverse arm with the yarn guiding member is reliably prevented while the degradation of the quality is prevented at the package end portions. This object is achieved by a yarn winding machine according to claim 1.
  • a yarn winding machine includes a yarn supplying section, a winding tube supporting section, a contact roller, a traverse arm, a traverse driving section, a yarn joining device, and a yarn guiding member.
  • the yarn supplying section is adapted to supply yarn to be wound into a package.
  • the winding tube supporting section is adapted to rotatably support a winding tube around which the yarn is wound to form the package.
  • the contact roller rotates while making contact with the winding tube or the package.
  • a yarn guide section for guiding the yarn is arranged at a tip end of the traverse arm.
  • the traverse arm traverses the yarn.
  • the traverse driving section is adapted to rotationally drive the traverse arm.
  • the yarn joining device connects a yarn end from the package and a yarn end from the yarn supplying section.
  • the yarn guiding member is adapted to catch the yarn end from the package and can guide such yarn end.
  • a rotational axis line of the traverse arm and a yarn path line which is formed by extending a yarn path near the yarn guide section at a traverse end, intersect while forming an acute angle or are parallel to one another.
  • the yarn winding machine comprises a traverse fulcrum of the yarn to be wound into the package, wherein the yarn path line forms a straight line, that connects a point and the traverse fulcrum, provided that the point is a position_located most upstream in the yarn making contact with the contact roller.
  • an angle formed by the rotational axis line of the traverse arm and the yarn path line is small or the rotational axis line and the yarn path line are parallel to one another. Therefore, even if the traverse arm swings to the traverse end, the yarn guide section hardly moves in the direction along the yarn path. Particularly, at the traverse end, the yarn bending caused by the yarn guide section can be reduced to prevent the degradation of the package quality. Since a base end portion of the traverse arm is provided greatly away from a pathway of the yarn, a layout can be easily implemented in which collision of the base end portion of the traverse arm with the yarn guiding member is avoided.
  • the yarn guiding member includes a suction opening portion and a suction arm portion.
  • the suction opening portion sucks and catches the yarn end from the package.
  • the suction arm portion supports the suction opening portion.
  • the traverse arm is supported by the traverse driving section such that at a position where the suction opening portion sucks and catches the yarn end from the package, the yarn guide section is located upstream in the yarn path than the suction opening portion.
  • the yarn guide section and the suction opening portion can be reliably prevented from making contact with one another and being broken.
  • the yarn guiding member sucks, catches, and guides the yarn end from the package. At this time, it is not necessary to move the traverse arm to a special retreat position, so that the suspended winding operation of the yarn can quickly be resumed.
  • the above yarn winding machine includes a plurality of winding units arranged in a line.
  • Each of the winding units respectively includes the yarn joining device and the yarn guiding member. Therefore, a time necessary to connect the yarn is shortened compared with the configuration in which the yarn joining device and the yarn guiding member are respectively provided in common for the plurality of winding units, and productivity of the yarn winding machine can be improved.
  • the rotational axis line and the yarn path line are preferably substantially parallel. Therefore, the bending of the yarn caused by the yarn guide section is suppressed to the minimum level at the traverse ends, so that the degradation of the package quality can effectively be prevented.
  • the yarn guide section when viewed from the axial direction of the contact roller, a position of the yarn guide section at the traverse ends is located downstream in the yarn path than an intersecting point formed by a perpendicular line, which is drawn from a base end portion of the traverse arm to the yarn path line, and the yarn path line. Therefore, the yarn guide section is brought close to a contact line of the package and the contact roller by setting the traverse arm to an appropriate length, and a free length and a print length can be shortened. As a result, a behavior of the yarn wound into the package can be stabilized to improve the package quality.
  • the "free length" means a distance between the yarn guide section and a position where the yarn contacts with a surface of the contact roller.
  • the yarn corresponding to the free length is not regulated by the contact roller or the like.
  • the free length is lengthened, the behavior of the yarn traversed at high speed by the yarn guide section becomes unstable and is hardly wound into a satisfactory package.
  • the yarn that is wound into the package while traversed by the yarn guide section is wound after being once brought into contact with (printed on) the contact roller.
  • the "print length” means a length of a portion in which the yarn wound into the package is in contact with the contact roller.
  • a perpendicular surface is a surface near the yarn supplying section that is perpendicular to a straight line drawn in a direction in which the yarn is unwound from the yarn supplying section
  • the traverse arm is supported by the traverse driving section such that a longitudinal direction of the traverse arm is parallel to the perpendicular surface. Therefore, when the layout of the present invention (the angle formed by the rotational axis line of the traverse arm and the yarn path line is small or the rotational axis line and the yarn path line are parallel) is adopted, and when the traverse arm is perpendicular to the rotational axis line, a layout can be implemented in which the yarn from the yarn supplying section to the package is not bent so much.
  • a perpendicular surface is a surface near the yarn supplying section that is perpendicular to a straight line drawn in a direction in which the yarn is unwound from the yarn supplying section
  • the traverse arm is supported by the traverse driving section such that the yarn guide section is located away from the perpendicular surface than the base end portion of the traverse arm. Accordingly, when a yarn traveling pathway from the yarn supplying section to the package is formed in a substantially straight line, the traverse arm is arranged such that the yarn guide section comes close to the contact line of the package and the contact roller. Therefore, the free length and the print length can be shortened. As a result, the behavior of the yarn wound into the package can be stabilized to improve the package quality.
  • the traverse arm preferably has a bent portion that is bent in a direction towards the contact roller. Therefore, the yarn guide section is brought close to the contact line of the package and the contact roller by setting the traverse arm located on the tip end side than the bent portion to an appropriate length. Accordingly, the free length and the print length can be shortened. As a result, the behavior of the yarn wound into the package can be stabilized to improve the package quality.
  • the yarn guide section includes a regulating section and a guide opening.
  • the regulating section is provided at a tip end of the yarn guide section to regulate the yarn.
  • the guide opening is opened towards a base end of the traverse arm so as to guide the yarn to the regulating section. Therefore, the yarn can be prevented from coming off from the yarn guide section even if the yarn is pulled by a vibration and an inertia force during the traverse.
  • the traverse of the yarn can promptly be started by the traverse arm to improve the productivity of the yarn winding machine.
  • a slope adapted to guide the yarn to the guide opening is preferably formed in the yarn guide section. Therefore, the yarn is reliably and quickly guided to the yarn guide section, and the productivity of the yarn winding machine can be improved.
  • the above yarn winding machine preferably includes a rotational driving section adapted to directly drive and rotate the winding tube. Accordingly, a diameter of the contact roller can be decreased compared with the configuration in which the package is driven. Therefore, the free length and the print length are shortened, and the behavior of the wound yarn can be stabilized to improve the package quality.
  • a line along a longitudinal direction of the traverse arm is substantially perpendicular to a straight line that connects a most upstream position of the yarn on the contact roller and the traverse fulcrum.
  • the yarn wound into the package can be prevented from being greatly bent by the yarn guide section.
  • a load is not applied to the yarn because of the yarn guide section, and the yarn can be wound into the package with little damage while performing yarn joining operation.
  • the traverse driving section is adapted to support a rotational shaft of the traverse arm and rotationally drive the traverse arm.
  • the traverse arm is supported by the traverse driving section such that the yarn guide section is located in proximity of a position where the yarn first contacts with the contact roller. Therefore, the free length and the print length are shortened, and the behavior of the yarn wound into the package can be stabilized. As a result, the package quality can be improved while preventing stitching and/or a wrinkle from being generated.
  • the traverse arm preferably has a bent portion that is bent in a direction towards the contact roller. Therefore, the free length and the print length are further shortened, and the behavior of the yarn wound into the package can further be stabilized. As a result, the package quality can be improved while preventing stitching and/or wrinkle from being generated.
  • upstream and downstream respectively mean upstream and downstream in a traveling direction of yarn during winding.
  • the automatic winder (yarn winding machine) 1 mainly includes a plurality of winder units 10 arranged in a line, an automatic doffing device 60, and a machine setting device 90.
  • Each of the winder units 10 winds yarn 20 unwound from a yarn supplying bobbin 21 while traversing the yarn 20, thereby forming a package 30.
  • the automatic doffing device 60 When the package 30 is fully wound in each winder unit 10, the automatic doffing device 60 travels to a position of the respective winder unit 10, and the automatic doffing device 60 supplies an empty bobbin while collecting the fully wound package 30.
  • the machine setting device 90 mainly includes a setting section 91 and a display section 92.
  • An operator inputs a predetermined setting value or selects an appropriate control method, which allows the setting section 91 to perform a setting to each winder unit 10.
  • the display section 92 can display a yarn winding status of each winder unit 10 and contents of a generated trouble.
  • the winder unit 10 mainly includes a winding unit main body 16 and a unit control section 50.
  • the unit control section 50 includes a Central Processing Unit (CPU), a Random Access Memory (RAM), a Read Only Memory (ROM), an Input-and-Output (I/O) port, and a communication port.
  • CPU Central Processing Unit
  • RAM Random Access Memory
  • ROM Read Only Memory
  • I/O Input-and-Output
  • a program for controlling various components in the winding unit main body 16 is recorded in the ROM.
  • Various components (described in detail later) of the winding unit main body 16 and the machine setting device 90 are connected to the I/O port and the communication port such that communication of control information can be conducted. Therefore, the unit control section 50 can control an operation of various components of the winding unit main body 16.
  • a yarn unwinding assisting device 12 In the winding unit main body 16, a yarn unwinding assisting device 12, a tension applying device 13, a splicer device (yarn joining device) 14, and a clearer 15 are arranged in this order from the side of the yarn supplying bobbin 21 in a yarn traveling pathway between the yarn supplying bobbin 21 and a contact roller 29.
  • a yarn supplying section 11 is provided in a lower portion of the winding unit main body 16 in order to supply the yarn 20 to the winding bobbin 22.
  • the yarn supplying section 11 retains the yarn supplying bobbin 21, which has been transported by a bobbin transportation system (not illustrated), at a predetermined position.
  • the yarn unwinding assisting device 12 includes a regulating member 40 which covers a core tube of the yarn supplying bobbin 21.
  • the yarn unwinding assisting device 12 lowers the regulating member 40 in conjunction with unwinding of the yarn 20 from the yarn supplying bobbin 21, thereby assisting the unwinding of the yarn 20 from the yarn supplying bobbin 21.
  • the regulating member 40 makes contact with a balloon of the yarn 20 formed at an upper portion of the yarn supplying bobbin 21 by a rotation and a centrifugal force of the yarn 20 unwound from the yarn supplying bobbin 21, thereby controlling the balloon to an appropriate size. Accordingly, the yarn unwinding assisting device 12 assists the unwinding of the yarn 20.
  • a sensor (not illustrated) is provided near the regulating member 40 in order to detect a chase portion of the yarn supplying bobbin 21.
  • the regulating member 40 is lowered with, for example, an air cylinder (not illustrated) according to the lowering of the chase portion.
  • the tension applying device 13 applies a predetermined tension to the traveling yarn 20.
  • a gate type tension applying device in which movable combs are arranged with respect to fixed combs can be used as the tension applying device 13.
  • the movable combs can be swung by a rotary solenoid such that the movable combs are engaged or released with respect to the fixed combs.
  • a disc type tension applying device may be used as the tension applying device 13.
  • the splicer device 14 connects lower yarn from the yarn supplying bobbin 21 and upper yarn from the package 30 when the yarn is cut due to detection of a yarn defect by the clearer 15, or when the yarn is broken during the unwinding of the yarn 20 from the yarn supplying bobbin 21.
  • a mechanical type yarn joining device or a yarn joining device that uses fluid such as compressed air can be used as the yarn joining device that connects the upper yarn and the lower yarn.
  • the clearer 15 includes a clearer head 49 and an analyzer 52.
  • the clearer head 49 includes a sensor (not illustrated) in order to detect a thickness of the yarn 20.
  • the analyzer 52 processes a yarn thickness signal from the sensor.
  • the clearer 15 is configured to monitor the yarn thickness signal from the sensor to detect a yarn defect such as slub.
  • a cutter 39 is provided near the clearer head 49, and the cutter 39 immediately cuts the yarn 20 when the clearer 15 detects the yarn defect.
  • a lower yarn catching member 25 is arranged below the splicer device 14.
  • the lower yarn catching member 25 catches a yarn end from the yarn supplying bobbin 21 to guide the yarn end to the splicer device 14.
  • An upper yarn catching member (yarn guiding member) 26 is arranged above the splicer device 14.
  • the upper yarn catching member 26 catches a yarn end from the package 30 to guide the yarn end to the splicer device 14.
  • the lower yarn catching member 25 includes a lower yarn pipe arm 33 and a lower yarn suction opening 32 formed at a tip end of the lower yarn pipe arm 33.
  • the upper yarn catching member 26 includes an upper yarn pipe arm (suction arm) 36 and an upper yarn suction opening (suction opening portion) 35 formed at a tip end of the upper yarn pipe arm 36.
  • the lower yarn pipe arm 33 and the upper yarn pipe arm 36 are configured capable of swinging around shafts 34 and 37, respectively.
  • An appropriate negative pressure source is connected to each of the lower yarn pipe arm 33 and the upper yarn pipe arm 36. Suction flows are generated in the lower yarn suction opening 32 and the upper yarn suction opening 35 to suck and catch the yarn ends of the upper yarn and lower yarn.
  • the winding unit main body 16 includes a cradle (winding tube supporting section) 23 and the contact roller 29.
  • the cradle 23 supports a winding bobbin (winding tube) 22 while the winding bobbin 22 is detachably attached.
  • the contact roller 29 can rotate while making contact with a peripheral surface of the winding bobbin 22 or a peripheral surface of the package 30.
  • an arm type traverse device 70 is provided near the cradle 23 in order to traverse the yarn 20.
  • the winding unit main body 16 winds the yarn 20 into the package 30 while the traverse device 70 traverses the yarn 20.
  • a guide plate 28 is provided slightly upstream of a traverse position to guide the upstream yarn 20 to the traverse position.
  • a ceramic traverse fulcrum (traverse fulcrum) 27 is provided further upstream of the guide plate 28.
  • the traverse device 70 traverses the yarn 20 in a direction indicated by an arrow of FIG. 2 with the traverse fulcrum 27 as a fulcrum.
  • the cradle 23 can swing around a swing shaft 48.
  • An increase in a yarn layer diameter associated with the winding of the yarn 20 around the winding bobbin 22 is absorbed by the swinging of the cradle 23.
  • a package driving motor (rotational driving section) 41 is attached to a portion of the cradle 23 where the winding bobbin 22 is sandwiched.
  • the package driving motor 41 rotationally drives the winding bobbin 22 to wind the yarn 20 into the package 30.
  • a motor shaft of the package driving motor 41 is coupled so as to not be rotatable relative to the winding bobbin 22 when the winding bobbin 22 is supported by the cradle 23 (so-called a direct drive system).
  • a package driving control section 42 controls an operation of the package driving motor 41.
  • the package driving control section 42 receives an operation signal from the unit control section 50 to control operation and stopping of the package driving motor 41.
  • An angle sensor (package diameter acquiring section) 44 is attached to the swing shaft 48 in order to detect an angle (swing angle) of the cradle 23.
  • the angle sensor 44 includes a rotary encoder.
  • the angle sensor 44 transmits an angle signal corresponding to an angle of the cradle 23 to the unit control section 50.
  • the angle of the cradle 23 changes as the diameter of the package 30 increases. Accordingly, by detecting the swing angle of the cradle 23 by the angle sensor 44, the package diameter (yarn layer diameter) of the package 30 can be detected.
  • an appropriate configuration in which a Hall IC or an absolute encoder is used can be adapted as the method for detecting the package diameter as long as the configuration can detect the package diameter.
  • a surface (perpendicular surface) that is perpendicular to a straight line drawn in a direction in which the yarn 20 is drawn from the yarn supplying section 11 and that is near the yarn supplying section 11 is substantially parallel (or parallel) to an installation surface on which the automatic winder 1 is installed.
  • FIG. 3 is a side view when the traverse device 70 is viewed from the axial direction of the contact roller 29.
  • the traverse device 70 includes a traverse driving motor (traverse driving device) 76, an output shaft 77, and a traverse arm 74.
  • the traverse driving motor 76 drives the traverse arm 74.
  • the traverse driving motor 76 is a servo motor.
  • a traverse control section 78 controls operation of the traverse driving motor 76.
  • other motors such as a step motor and a voice coil motor may be used as the traverse driving motor 76.
  • the traverse control section 78 is formed by hardware such as a dedicated micro processor.
  • the traverse control section 78 receives a signal from the unit control section 50 to control operation and stopping of the traverse driving motor 76.
  • Power of the traverse driving motor 76 is transmitted to a base end portion of the traverse arm 74 through the output shaft 77 illustrated in FIG. 3 .
  • a rotor of the traverse driving motor 76 rotates in both directions to reciprocate the traverse arm 74 in a width direction of the package 30 (direction perpendicular to the page of FIG. 3 (horizontal direction of FIG. 2 )).
  • the traverse arm 74 is located at a traverse end portion.
  • a yarn guide section 73 is formed at a tip end of the traverse arm 74.
  • the traverse arm 74 can retain (guide) the yarn 20 by the yarn guide section 73.
  • the yarn guide section 73 reciprocates while retaining the yarn 20, thereby traversing the yarn 20.
  • a reference numeral L1 denotes a rotational axis line of the traverse driving motor 76 (a rotational axis line of the traverse arm 74)
  • a reference numeral L2 denotes a virtual line straightly drawn from the base end portion of the traverse arm 74 to a longitudinal direction in a side surface of the traverse arm 74 (a center line in a side face of the traverse arm 74) .
  • the yarn guide section 73 reciprocates while drawing an arc locus in a virtual plane perpendicular to the rotational axis line L1 of the traverse arm 74 (hereinafter the virtual plane is referred to as "swing plane") .
  • the traverse arm 74 is arranged substantially perpendicular to the rotational axis line L1. Therefore, the virtual line L2 is perpendicular to the rotational axis line L1. Accordingly, it can be said that the traverse arm 74 reciprocates in the swing plane.
  • a yarn path line L3 is a straight line indicating the yarn path near the tip end of the traverse arm 74 (the yarn path from the end portion of the guide plate 28 to the contact roller 29).
  • the yarn path line L3 is parallel to the rotational axis line L1 of the traverse arm 74. In other words, the yarn path line L3 is perpendicular to the swing plane (and the virtual line L2).
  • the yarn path line L3 may be expressed as "a straight line that connects a point P1 and the traverse fulcrum 27, provided that the point P1 is a position located most upstream in the yarn 20 making contact with the contact roller 29".
  • the point P1 may also be expressed as "a point indicating a position where the yarn 20 guided by the yarn guide section 73 first contacts with the contact roller 29".
  • the yarn guide section 73 reciprocates so as to draw the arc locus about the rotational axis line L1, thereby traversing the yarn 20.
  • a force is applied to the yarn 20 only in a direction parallel to the swing plane. That is, the bending of the yarn path can be reduced because a force that pulls or relaxes the yarn 20 in the direction of the yarn path line L3 (direction along the yarn path) is not applied during the traverse.
  • the bending of the yarn path at the traverse ends can be minimized because the traverse arm 74 is arranged such that a yarn guide point of the yarn guide section 73 is located on the yarn path line L3 at the traverse ends.
  • a force in a direction along the yarn path line L3 is also applied to the yarn 20 during the traverse in addition to the force in the direction within the swing plane. Therefore, the bending of the yarn path is increased than that of the present embodiment.
  • a winding tension of the yarn 20 wound into the package 30 may be increased, hardness of the package 30 may be increased particularly in the end portions of the package, or stitching may be generated. As a result, the package quality is degraded.
  • the traverse arm 74 includes a bent portion 72a that is bent in a direction towards the contact roller 29. Although the bent portion 72a is steeply bent (folded), the bent portion 72a may also be smoothly bent (curved).
  • the yarn guide section 73 is brought close to a contact line of the package 30 and the contact roller 29, so that the free length (a length of the yarn 20 from the traverse arm 74 to a position where the yarn 20 contacts with the contact roller 29) and the print length (a length of the yarn 20 that is in contact with the contact roller 29) can be shortened. Therefore, the behavior of the wound yarn 20 can be stabilized to improve the quality of the package 30.
  • the traverse arm 74 including the bent portion 72a is used when the winder unit 10 winds the conical package 30.
  • the cylindrical (columnar) contact roller 29 largely differs from the conical winding bobbin 22 (package 30) in a peripheral speed from the beginning of the winding of the package 30 until yarn layer becomes thick.
  • the winding tension is increased on the large diameter side while the winding tension is decreased on the small diameter side with respect to a central portion in the winding width direction of the package 30. Therefore, stitching or wrinkle is easily generated in the end portions of the package 30, and a defective package may be formed.
  • the traverse arm 74 including the bent portion 72a traverses the yarn 20. Therefore, the bending of the yarn 20 can be reduced while the free length and print length of the yarn 20 are shortened at the package ends (traverse ends), and the formation of the defective package as described above can be prevented.
  • FIG. 3 illustrates the position of the upper yarn catching member 26 in catching the yarn end.
  • a tip end portion (yarn guide section 73) of the traverse arm 74 is arranged near the contact roller 29 (below and in front of the contact roller 29) . This is for shortening the free length and the print length. By shortening the free length and the print length, the behavior of the yarn 20 is stabilized during the winding, thereby improving the quality of the package 30.
  • the traverse arm 74 is provided such that the yarn guide section 73 is arranged on the yarn path line L3 and such that an arm section 72 is arranged at a position where the arm section 72 is retreated from the yarn path line L3.
  • the yarn guide section 73 is provided on the front side of the winder unit 10, and the arm section 72 is provided on the back side of the winder unit 10. Therefore, the traverse arm 74 during the traverse and the upper yarn catching member 26 during the catching of the yarn end do not interfere with one another. As a result, collision of the traverse arm 74 with the upper yarn catching member 26 can reliably be prevented. Therefore, the upper yarn catching member 26 can be swung to the vicinity of the package 30 immediately after the yarn breakage or the yarn cut, so that the yarn joining operation can quickly be performed to promptly resume the winding operation of the package 30.
  • the yarn guide section 73 needs to be moved to a retreat position beyond the traverse end (width of the upper yarn suction opening 35) before the upper yarn catching member 26 swings to the vicinity of the package 30. This is because the yarn guide section 73 may be damaged by the collision of the upper yarn suction opening 35 of the upper yarn catching member 26 with the yarn guide section 73. Therefore, the yarn guide section 73 was required to be once moved to the retreat position before the upper yarn catching member 26 catches the yarn end, and the yarn guide section 73 was required to be moved into the traverse range after the splicer device 14 completes the yarn joining operation.
  • the arrangement of the traverse arm 74 can eliminate the above-described movement control of the yarn guide section 73 that is carried out accompanying operation of the upper yarn catching member 26.
  • the traverse arm may be considered to be arranged upstream in the yarn path (away from the contact roller to some extent) as a method for preventing the collision of the upper yarn suction opening 35 with the traverse arm.
  • the free length is lengthened in such a layout. As a result, the behavior of the yarn 20 becomes unstable, and the quality of the package 30 is degraded or the yarn 20 may be hooked in a peripheral member or the like to stop the winding operation of the package 30.
  • the traverse arm 74 when viewed from the axial direction of the contact roller 29, the traverse arm 74 is extended obliquely upward as illustrated in FIG. 3 (in other words, in a direction substantially along a tangential line in the contact line of the package 30 and the contact roller 29 in the side view). That is, the virtual line L2 of the traverse arm 74 is set such that the side of the yarn guide section 73 is inclined upward in the winder unit 10 with respect to the installation surface of the winder unit 10.
  • the contact roller 29 is located between the package 30 and the tip end potion (yarn guide section 73) of the traverse arm 74.
  • the virtual line L2 of the traverse arm 74 is preferably set to a range from 0 degrees (parallel state) to 60 degrees with respect to the installation surface of the winder unit 10.
  • the traverse arm 74 is arranged so as to be oriented obliquely upward with respect to the installation surface as described above, which allows the base end portion of the traverse arm 74 to be greatly separated from the pathway of the yarn 20. Accordingly, the configuration (such as the upper yarn catching member 26 that swings vertically) around the yarn path hardly interferes with the base end portion of the traverse arm 74. Particularly, in the present embodiment, since the traverse driving motor 76 is directly connected to the base end portion of the traverse arm 74, the traverse driving motor 76 can also be provided away from the pathway of the yarn 20. As a result, a degree of freedom becomes satisfactory with respect to the layout of the winder unit 10.
  • the yarn guide section 73 of the traverse arm 74 will be described below with reference to FIG. 4 .
  • the traverse arm 74 includes the yarn guide section 73 arranged on the tip end and the arm section 72 arranged at the base end.
  • the yarn guide section 73 made of ceramics and aluminum or the like is formed in a hook shape, and the yarn guide section 73 is connected to the tip end of the arm section 72. As illustrated in FIG. 4 , the yarn guide section 73 is formed in a shape curved onto one side. A long and thin yarn hooking groove 71 is formed on an inner circumferential side of the yarn guide section 73 in order to hook the yarn 20. The yarn hooking groove 71 is formed along the longitudinal direction of the traverse arm 74 so as to be extended straight onto the tip end while an opened section (guide opening) 71b is formed in a side portion on one side of the yarn guide section 73.
  • a terminal section (regulating section) 71a of the yarn hooking groove 71 is closed (the tip end of the traverse arm 74 is not opened) .
  • the end portion on the opened side (the opened section 71b) of the yarn hooking groove 71 is located closer to the base end of the traverse arm 74 than the terminated end portion (the terminal section 71a).
  • the yarn guide section 73 traverses the yarn 20 while guiding the yarn 20, and when the yarn 20 is wound into the package 30, the yarn 20 is located in the yarn hooking groove 71.
  • An inner wall surface of the yarn hooking groove 71 pushes the yarn 20 accompanying the reciprocation of the yarn guide section 73, whereby the yarn 20 is traversed with respect to the package 30.
  • the opened section 71b of the yarn hooking groove 71 is oriented not towards the tip end of the traverse arm 74 but towards the base end. Therefore, the yarn 20 is not disengaged from the yarn guide section 73 even if a force towards the tip end of the traverse arm 74 is applied to the yarn 20.
  • Two slopes 73a and 73b are formed on a side portion of the yarn guide section 73.
  • the slope 73a is obliquely extended towards the opened section 71b of the yarn hooking groove 71 from the curved tip end portion of the yarn guide section 73.
  • the slope 73b is obliquely extended towards the vicinity of the opened section 71b from the base end portion of the yarn guide section 73 (portion connected to the arm section 72).
  • the yarn 20 makes contact with the slopes 73a and 73b and the yarn 20 can be guided into the yarn hooking groove 71 from the opened section 71b by guide action of the slopes 73a and 73b.
  • the automatic winder 1 of the present embodiment includes the yarn supplying section 11, the cradle 23, the contact roller 29, the traverse arm 74, the traverse driving motor 76, the splicer device 14, and the upper yarn catching member 26.
  • the yarn supplying section 11 supplies the yarn 20 wound into the package 30.
  • the cradle 23 rotatably supports the winding bobbin 22 around which the yarn 20 is wound in order to form the package 30.
  • the contact roller 29 rotates while making contact with the winding bobbin 22 or the package 30.
  • the yarn guide section 73 is arranged on the tip end of the traverse arm 74 in order to guide the yarn 20.
  • the traverse arm 74 traverses the yarn 20.
  • the traverse driving motor 76 rotationally drives the traverse arm 74.
  • the splicer device 14 connects the yarn end from the package 30 and the yarn end from the yarn supplying section 11.
  • the upper yarn catching member 26 can catch the yarn end from the package 30 to guide the yarn end to the splicer device 14.
  • the rotational axis line L1 of the traverse arm 74 is parallel to the yarn path line L3 indicating the yarn path near the yarn guide section 73 at the traverse end.
  • the yarn guide section 73 hardly moves in the direction along the yarn path line L3 even if the traverse arm 74 swings to the end portion. Therefore, the bending of the yarn 20 can be suppressed to the minimum level to prevent the degradation of the quality of the package 30. Since the base end portion of the traverse arm 74 is provided greatly away from the pathway of the yarn 20, the layout can easily be implemented in which the collision of the base end portion of the traverse arm 74 with the upper yarn catching member 26 is avoided.
  • the upper yarn catching member 26 includes the upper yarn suction opening 35 that sucks and catches the yarn end from the package 30 and the upper yarn pipe arm 36 that supports the upper yarn suction opening 35.
  • the traverse driving motor 76 (output shaft 77) supports the traverse arm 74 such that the yarn guide section 73 is located upstream in the yarn path than the upper yarn suction opening 35 at the position where the upper yarn suction opening 35 sucks and catches the yarn end from the package 30.
  • the yarn guide section 73 and the upper yarn suction opening 35 can reliably be prevented from making contact with one another and being broken. Additionally, it is not necessary to move the traverse arm 74 to a special retreat position when the upper yarn catching member 26 catches the yarn end. Therefore, for example, after the upper yarn catching member 26 catches the yarn end from the package 30, and the splicer device 14 performs an appropriate process, and then the winding operation of the yarn 20 can quickly be resumed.
  • the traverse driving motor 76 swings the traverse arm 74, the width of the winding package 30 can freely be changed.
  • the package 30 can be formed while the yarn 20 is traversed to the position close to the end portions of the winding bobbin 22. Further, in the winder unit 10 of the present embodiment, the package 30 can also be formed while the yarn 20 is traversed within a narrow width in a region near the central portion in the axial direction of the winding bobbin 22.
  • the automatic winder 1 of the present embodiment includes the plurality of winding unit main bodies 16 arranged in a line.
  • each of the winding unit main bodies 16 respectively includes the splicer device 14 and the upper yarn catching member 26. Therefore, a time necessary to join the yarn can be shortened compared with the configuration in which the yarn splicing cart moves to the corresponding winding unit to join the yarn, which allows the improvement of the productivity.
  • the traverse driving motor 76 (output shaft 77) supports the traverse arm 74 such that the yarn guide section 73 is located farther away from the installation surface (perpendicular surface) than the base end. Therefore, the traverse arm 74 is arranged such that the yarn guide section 73 is located close to the contact line of the package 30 and the contact roller 29, and the free length and the print length can be shortened.
  • the traverse arm 74 includes the bent portion 72a that is bent in the direction towards the contact roller 29. Therefore, the free length and the print length can be shortened, and the behavior of the yarn 20 wound into the package 30 can be stabilized to improve the quality of the package 30.
  • the yarn guide section 73 includes the terminal section 71a and the opened section 71b.
  • the terminal section 71a regulates the yarn 20 on the tip end of the yarn guide section 73.
  • the opened section 71b is opened towards the base end of the traverse arm 74 so as to guide the yarn 20 to the terminal section 71a. Therefore, even if the yarn 20 is pulled by the vibration and the inertia force during the traverse, the yarn 20 can be prevented from being disengaged from the yarn guide section 73. Additionally, since the yarn 20 is easily guided to the yarn guide section 73, the traverse can be started promptly to improve the productivity of the automatic winder 1.
  • the slopes 73a and 73b are formed in the yarn guide section 73 in order to guide the yarn 20 to the opened section 71b of the yarn hooking groove 71. Therefore, the yarn 20 can be reliably and quickly guided to the yarn guide section 73, and the productivity of the automatic winder 1 can be improved.
  • the automatic winder 1 of the present embodiment includes a package driving motor 41 that directly rotates the winding bobbin 22. Accordingly, the diameter of the contact roller 29 can be decreased compared with the configuration in which the package 30 is driven. Therefore, the free length and the print length can be shortened, and the behavior of the wound yarn 20 can be stabilized to improve the quality of the package 30.
  • the automatic winder 1 of the present embodiment includes the traverse fulcrum 27.
  • the traverse fulcrum 27 constitutes a fulcrum of the traverse of the yarn 20 wound into the package 30.
  • the virtual line L2 indicating the line along the longitudinal direction of the traverse arm 74 forms a substantially right angle with the yarn path line L3 that connects the traverse fulcrum 27 and the point P1 indicating the most upstream position of the yarn 20 on the contact roller 29.
  • the large bending of the yarn 20 wound into the package 30, which is caused by the yarn guide section 73, can be reduced even at the traverse stroke ends of the traverse arm 74.
  • the yarn 20 having little damage can be wound into the package 30 without applying a load to the yarn 20 by the yarn guide section 73 while performing the yarn joining operation.
  • the traverse arm 74 is supported by the traverse driving motor 76 with the output shaft 77 interposed therebetween such that the yarn guide section 73 is located in proximity of a position where the yarn 20 first contacts with the contact roller 29. Therefore, the free length and the print length can be shortened. As a result, because the behavior of the yarn 20 wound into the package 30 can be stabilized, the quality of the package 30 can be improved while preventing the generation of stitching or wrinkle.
  • the rotational axis line L1 of the traverse arm 74 is parallel to the yarn path line L3.
  • a rotational axis line L1a and a yarn path line L3a intersect at an angle ⁇ when the yarn path line L3a is extended towards the direction away from the package 30.
  • a virtual line L2a that is a line drawn from the base end portion of the traverse arm 74 to the yarn guide section 73 forms not right angle but substantially right angle with the yarn path line L3a.
  • substantially right angle means an angle in a relatively wide range including not only an angle extremely close to right angle but also an angle formed by the virtual line L2a and the yarn path line L3a of FIG. 5 .
  • an intersecting point P2 of the virtual line L2a and the yarn path line L3a (in other words, the position of the yarn guide section 73) is located downstream in the yarn path than an intersecting point P3 of the yarn path line L3a and a perpendicular line L4a drawn from the base end portion of the traverse arm 74 to the yarn path line L3a.
  • the yarn guide section 73 is brought close to the contact line of the package 30 and the contact roller 29 by setting the traverse arm 74 to an appropriate length, and the free length and the print length can be shortened. Therefore, the behavior of the yarn 20 wound into the package 30 can be stabilized to improve the quality of the package 30.
  • the angle ⁇ is an acute angle, and the bending of the yarn path at the traverse ends can be reduced as the angle ⁇ decreases (as the relationship between the rotational axis line L1a and the yarn path line L3a comes close to parallelism) .
  • the virtual line L2 of the traverse arm 74 is inclined with respect to the installation surface of the winder unit 10.
  • the traverse arm 74 is arranged such that a virtual line L2b of the traverse arm 74 is parallel to the installation surface of the winder unit 10.
  • the traverse arm 74 may be arranged such that the virtual line L2b of the traverse arm 74 is substantially parallel to the installation surface of the winder unit 10.
  • the yarn 20 is bent by the guide plate 28.
  • the second modification implements the layout in which the yarn 20 from the yarn supplying section 11 to the traverse arm 74 is not bent so much.
  • the yarn guide section 73 of the second modification is arranged away from the contact line of the package 30 and the contact roller 29. Therefore, the layout of the above embodiment is preferably used form the viewpoint of shortening the free length and the print length.
  • the winder unit 10 can form packages having various shapes such as conical shape and tapered shape in addition to the cheese shaped package.
  • the shape of the yarn guide section 73 is not limited to shape of the above embodiment.
  • a yarn hooking groove with a long hole in which a distance from the opened section 71b to the terminal section 71a is lengthened may be formed. In this case, the yarn can effectively be prevented from being disengaged during the traverse.
  • the rotational axis line L1 of the traverse arm 74 is parallel to the yarn path line L3.
  • the rotational axis line L1 of the traverse arm 74 may substantially be parallel to the yarn path line L3.
  • each of the winding unit main bodies 16 respectively includes the splicer device 14 and the upper yarn catching member 26.
  • a yarn splicing cart or the like may be provided, and when the yarn joining is required, the yarn splicing cart may move to the corresponding winding unit main body 16 to perform the yarn joining.
  • the effect of the present invention that the traverse arm 74 does not collide with the upper yarn catching member 26 even if the yarn joining operation is immediately started can be better exerted in the configuration of the above embodiment in which the yarn joining operation can be started without waiting the arrival of the yarn splicing cart.
  • the package driving control section 42 and the traverse control section 78 are provided independently of the unit control section 50.
  • the unit control section 50 may include at least one of the package driving control section 42 and the traverse control section 78.
  • the contact roller 29 is formed in the cylindrical shape (columnar shape).
  • the shape of the contact roller 29 is not limited to such a shape.
  • the contact roller 29 may be formed in the conical shape similarly to the winding bobbin 22.
  • a diameter ratio of a large diameter side to a small diameter side of the contact roller may be 1.1 or more and less than 1.8.
  • the diameter ratio of the large diameter side to the small diameter side is 1.6 or 1.8.
  • the difference in peripheral speed is generated between the package 30 and the contact roller 29, which sometimes causes the yarn 20 to slip on the contact roller 29. Therefore, by setting the diameter ratio of the large diameter side to the small diameter side in the contact roller 29, as compared to the configuration in which the contact roller 29 is formed in the cylindrical shape, the difference in peripheral speed generated between the contact roller 29 and the package 30 is reduced, and the slip of the yarn 20 printed on the contact roller 29 can be reduced. Accordingly, stitching that is likely to be generated in winding the yarn 20 into the conical package 30 can be prevented on the large diameter side, and high-quality package 30 can be formed.
  • the package driving motor 41 drives the package 30.
  • the contact roller 29 may be driven by an appropriate driving device, and the package 30 may be driven by the contact roller 29.
  • the bobbin transportation system supplies the yarn supplying bobbin 21 to the yarn supplying section 11.
  • a magazine type supplying system provided in the winding unit main body 16 may supply the yarn supplying bobbin 21 to the yarn supplying section 11.
  • the above embodiment and the modifications are not limited to the automatic winder, and the present invention can widely be applied to a yarn winding machine such as a rewinding machine and a fine spinning machine (e.g., an air spinning machine and an open-end spinning machine).
  • the present invention can also be applied to an automatic winder including a yarn accumulating device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Winding Filamentary Materials (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Claims (14)

  1. Machine de bobinage de fil comprenant :
    une section d'alimentation en fil (11) qui est à même d'acheminer du fil à enrouler en paquet ;
    une section de support de tube de bobinage (23) qui est à même de supporter en rotation un tube de bobinage autour duquel le fil est enroulé pour former le paquet ;
    un rouleau de contact (29) qui tourne tout en établissant un contact avec le tube de bobinage ou le paquet ;
    un bras de montée-baisse (74) aménagé pour faire monter et descendre le fil, le bras de montée-baisse (74) ayant une section de guidage de fil (73) pour guider le fil, la section de guidage de fil (73) étant aménagée à une extrémité de pointe du bras de montée-baisse (74) ;
    une section d'entraînement de montée-baisse (76) qui est à même d'entraîner en rotation le bras de montée-baisse (74) ;
    un dispositif de jonction de fil (14) qui raccorde une extrémité de fil provenant du paquet et une extrémité de fil provenant de la section d'alimentation en fil (11) ; et
    un élément de guidage de fil (26) qui est à même de saisir l'extrémité du fil provenant du paquet et de guider cette extrémité de fil,
    dans laquelle, lorsqu'on observe depuis une direction axiale du rouleau de contact (29), une ligne d'axe de rotation (L1) du bras de montée-baisse (74) et une ligne de trajet de fil (L3), qui est formée en prolongeant un trajet de fil près de la section de guidage de fil (73) à une extrémité de montée-baisse, se coupent tout en formant un angle aigu ou sont parallèles l'un à l'autre ;
    caractérisée en ce que :
    la machine de guidage de fil comprend un pivot de montée-baisse (27) du fil à enrouler dans le paquet, dans laquelle :
    la ligne de trajet de fil (L3) forme une ligne droite, qui raccorde un point (P1) et le pivot de montée-baisse (27), pourvu que le point (P1) soit dans une position située le plus en amont dans le fil (20) établissant le contact avec le rouleau de contact (29).
  2. Machine de bobinage de fil selon la revendication 1,
    caractérisée en ce que :
    un élément de guidage de fil (26) comprend :
    une portion d'ouverture d'aspiration (35) aménagée pour aspirer et saisir l'extrémité de fil provenant du paquet, et
    une portion de bras d'aspiration (36) aménagée pour supporter la portion d'ouverture d'aspiration (35),
    dans laquelle le bras de montée-baisse (74) est supporté par la section d'entraînement de montée-baisse (76) de sorte que, dans une position où la portion d'ouverture d'aspiration (35) aspire et saisit l'extrémité de fil provenant du paquet, la section de guidage de fil (73) soit située plus en amont dans le trajet de fil que la portion d'ouverture d'aspiration (35).
  3. Machine de bobinage de fil selon la revendication 1 ou la revendication 2,
    caractérisée en ce qu'elle comprend :
    une pluralité d'unités de bobinage aménagées en ligne, dans laquelle chacune des unités de bobinage comprend respectivement le dispositif de jonction de fil (14) et l'élément de guidage de fil (26).
  4. Machine de bobinage de fil selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que :
    la ligne d'axe de rotation (L1) et la ligne de trajet de fil (L3) sont sensiblement parallèles.
  5. Machine de bobinage de fil selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que :
    lorsqu'on observe depuis la direction axiale du rouleau de contact (29), une position de la section de guidage de fil (73) sur l'extrémité de montée-baisse est située plus en aval dans le trajet de fil qu'un point d'intersection (P2) formé par une ligne perpendiculaire (L2), qui est tirée d'une portion d'extrémité de base du bras de montée-baisse (74) à la ligne de trajet de fil (L3), et la ligne de trajet de fil (L3).
  6. Machine de bobinage de fil selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que :
    pourvu qu'une surface perpendiculaire soit une surface proche de la section d'alimentation en fil (11) qui est perpendiculaire à une ligne droite tracée dans une direction dans laquelle le fil est déroulé de la section d'alimentation en fil (11),
    le bras de montée-baisse (74) est supporté par la section d'entraînement de montée-baisse (76) de sorte qu'une direction longitudinale du bras de montée-baisse (74) soit parallèle à la surface perpendiculaire.
  7. Machine de bobinage de fil selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que :
    pourvu qu'une surface perpendiculaire soit une surface proche de la section d'alimentation en fil (11) qui est perpendiculaire à une ligne droite tracée dans une direction dans laquelle le fil est déroulé de la section d'alimentation en fil (11),
    le bras de montée-baisse (74) est supporté par la section d'entraînement de montée-baisse (76) de sorte que la section de guidage de fil (73) soit située plus loin de la surface perpendiculaire qu'une portion d'extrémité de base du bras de montée-baisse (74).
  8. Machine de bobinage de fil selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce que :
    le bras de montée-baisse (74) a une portion cintrée (72a) qui est cintrée dans une direction allant vers le rouleau de contact (29).
  9. Machine de bobinage de fil selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce que :
    la section de guidage de fil (73) comprend :
    une section de régulation (71a) prévue à une extrémité de pointe de la section de guidage de fil (73) pour réguler le fil, et
    une ouverture de guidage (71b) formée en regard d'une extrémité de base du bras de montée-baisse (74) de manière à guider le fil vers la section de régulation (71a).
  10. Machine de bobinage de fil selon la revendication 9,
    caractérisée en ce que :
    une pente (73a) qui est à même de guider le fil vers l'ouverture de guidage (71b) est formée sur la section de guidage de fil (73).
  11. Machine de bobinage de fil selon l'une quelconque des revendications 1 à 10,
    caractérisée en ce que :
    elle comprend en outre une section d'entraînement en rotation (41) qui est à même d'entraîner et de faire tourner directement le tube de bobinage.
  12. Machine de bobinage de fil selon l'une quelconque des revendications 1 à 11,
    caractérisée en ce que :
    lorsqu'on observe depuis une direction axiale du rouleau de contact (29) au moins sur un bord du paquet, une ligne (L2) le long d'une direction longitudinale du bras de montée-baisse (74) est sensiblement perpendiculaire à une ligne droite (L3) qui raccorde une position la plus en amont du fil sur le rouleau de contact (29) et le pivot de montée-baisse (27).
  13. Machine de bobinage de fil selon la revendication 12,
    caractérisée en ce que :
    la section d'entraînement de montée-baisse (76) est à même de supporter un arbre rotatif (77) du bras de montée-baisse (74) et d'entraîner en rotation le bras de montée-baisse (74) ; le bras de montée-baisse (74) étant supporté par la section d'entraînement de montée-baisse (76) de sorte que la section de guidage de fil (73) soit située à proximité d'une position où le fil vient en contact en premier avec le rouleau de contact (29).
  14. Machine de bobinage de fil selon la revendication 12 ou la revendication 13,
    caractérisée en ce que :
    le bras de montée-baisse (74) a une portion cintrée (72a) qui est cintrée dans une direction tournée vers le rouleau de contact (29).
EP20110153186 2010-03-17 2011-02-03 Machine de bobinage de fil Active EP2366650B1 (fr)

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EP2366650A2 EP2366650A2 (fr) 2011-09-21
EP2366650A3 EP2366650A3 (fr) 2012-02-15
EP2366650B1 true EP2366650B1 (fr) 2013-10-09

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JP2014108844A (ja) * 2012-11-30 2014-06-12 Murata Mach Ltd 糸巻取機及び糸引き出し方法
JP2014108845A (ja) * 2012-11-30 2014-06-12 Murata Mach Ltd 糸巻取機
JP2015036324A (ja) 2013-08-13 2015-02-23 村田機械株式会社 糸巻取機及び糸巻取方法
JP2018111565A (ja) * 2017-01-11 2018-07-19 村田機械株式会社 巻取装置、糸巻取ユニット、及び糸巻取機

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DE10040109A1 (de) * 2000-08-17 2002-02-28 Schlafhorst & Co W Lagergehäuse für eine Antriebseinrichtung einer Kreuzspulen herstellenden Textilmaschine
DE10253527A1 (de) * 2002-11-16 2004-05-27 Saurer Gmbh & Co. Kg Spulvorrichtung für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
JP2006298499A (ja) * 2005-04-15 2006-11-02 Murata Mach Ltd 糸のトラバース装置
JP2006335483A (ja) * 2005-05-31 2006-12-14 Murata Mach Ltd 糸のトラバース装置、及びそれを備える繊維機械
JP2007153554A (ja) 2005-12-06 2007-06-21 Murata Mach Ltd 糸巻取機
JP2009084023A (ja) * 2007-10-02 2009-04-23 Murata Mach Ltd 繊維機械
JP2009227414A (ja) * 2008-03-24 2009-10-08 Murata Mach Ltd 糸巻取機
JP5557002B2 (ja) * 2010-03-17 2014-07-23 村田機械株式会社 糸巻取機

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CN102190206A (zh) 2011-09-21
JP2011195218A (ja) 2011-10-06
EP2366650A3 (fr) 2012-02-15
CN102190206B (zh) 2015-04-01
EP2366650A2 (fr) 2011-09-21
JP5557002B2 (ja) 2014-07-23
CN202148091U (zh) 2012-02-22

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