EP3689803B1 - Thread winding device - Google Patents

Thread winding device Download PDF

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Publication number
EP3689803B1
EP3689803B1 EP18863777.1A EP18863777A EP3689803B1 EP 3689803 B1 EP3689803 B1 EP 3689803B1 EP 18863777 A EP18863777 A EP 18863777A EP 3689803 B1 EP3689803 B1 EP 3689803B1
Authority
EP
European Patent Office
Prior art keywords
yarn
bobbin
speed
package
peripheral
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
EP18863777.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3689803A1 (en
EP3689803A4 (en
Inventor
Koji Takayasu
Shota HANAKI
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
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Publication date
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Publication of EP3689803A1 publication Critical patent/EP3689803A1/en
Publication of EP3689803A4 publication Critical patent/EP3689803A4/en
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Publication of EP3689803B1 publication Critical patent/EP3689803B1/en
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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
    • B65H54/10—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers
    • B65H54/103—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers forming frusto-conical packages or forming packages on frusto-conical bobbins, tubes, cores or formers
    • 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
    • B65H54/40—Arrangements for rotating packages
    • B65H54/44—Arrangements for rotating packages in which the package, core, or former is engaged with, or secured to, a driven member rotatable about the axis of the package
    • 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 disclosure relates to a yarn winding device .
  • Patent Literature 1 describes a yarn winding device configured to wind yarn onto a bobbin to form a package.
  • the shape of the package is arranged, for example, by pressing an outer peripheral surface of the package against a touch roller.
  • Patent Literature 1 Japanese Unexamined Patent Publication No. 2014-108844
  • the outer peripheral surface of the package needs to be in contact with the touch roller in a predetermined contact state.
  • the present disclosure describes a yarn winding device capable of determining a contact state of a bobbin or a package that is in contact with a touch roller.
  • the present disclosure is directed to a yarn winding device configured to wind yarn onto a cone-shaped bobbin to form a cone-shaped package.
  • the yarn winding device includes: a cradle configured to rotatably support the bobbin with a bobbin holding portion configured to hold the bobbin; a driving section attached to the cradle, having a rotation shaft that is coupled to the bobbin holding portion in an integrally rotatable manner, and configured to rotate the bobbin holding portion thereby rotating the bobbin; a traverse device configured to move a yarn guiding section on which the yarn is hooked, thereby traversing the yarn to be wound around the bobbin or the package; a package-peripheral-speed acquisition section configured to acquire, as a first peripheral speed, a peripheral speed of an outer peripheral surface of the bobbin or the package at a predetermined position in a rotational-axis direction of the bobbin; a touch roller configured to come into contact with the outer peripheral surface of the bobbin or the package and
  • the peripheral speed of the touch roller is different between when an outer peripheral surface of a base-end portion of the bobbin or the package is in contact with the touch roller and when an outer peripheral surface of a top-end portion of the bobbin or the package is in contact with the touch roller. In this manner, even if the rotational speed of the bobbin or the package is constant, the peripheral speed of the touch roller changes depending on such contact portions of the bobbin or the package that is in contact with the touch roller.
  • the contact-state determination section compares the first peripheral speed that is the peripheral speed of the outer peripheral surface of the bobbin or the package at the predetermined position and the second peripheral speed that is the peripheral speed of the touch roller, thereby being able to determine which portion of the bobbin or the package is in contact with the touch roller.
  • the contact-state determination section can determine the contact state of the bobbin or the package.
  • the yarn winding device can determine the contact state of the bobbin or the package that is in contact with the touch roller.
  • the package-peripheral-speed acquisition section may obtain the first peripheral speed that is the peripheral speed of the outer peripheral surface of the bobbin or the package at the predetermined position by computation based on peripheral-speed calculation information for calculating the peripheral speed.
  • the package-peripheral-speed acquisition section can acquire, by computation, the first peripheral speed that is the peripheral speed of the outer peripheral surface of the bobbin or the package at the predetermined position.
  • the peripheral-speed calculation information may contain at least one of a shape of the bobbin, a rotational speed of the bobbin, and a yarn speed of the yarn to be wound.
  • the package-peripheral-speed acquisition section can accurately calculate the first peripheral speed using these values.
  • the yarn winding device may further include: a bobbin-information input section into which bobbin information for identifying the shape of the bobbin is input; and a peripheral-speed-information storage section configured to store, for each shape of the bobbin, peripheral-speed information in which the shape of the bobbin is associated with the peripheral speed of the outer peripheral surface of the bobbin at the predetermined position.
  • the package-peripheral-speed acquisition section may acquire, from the peripheral-speed-information storage section, the peripheral speed corresponding to the shape of the bobbin that is identified by the bobbin information input in the bobbin-information input section as the first peripheral speed. In this case, the package-peripheral-speed acquisition section can acquire the peripheral speed from the peripheral-speed-information storage section without performing computation.
  • the yarn winding device may further include: a notification determination section configured to determine whether the contact state determined by the contact-state determination section is a predetermined contact state to be notified; and a notification section configured to provide notification when the notification determination section has determined that the contact state determined is the contact state to be notified.
  • a notification determination section configured to determine whether the contact state determined by the contact-state determination section is a predetermined contact state to be notified
  • a notification section configured to provide notification when the notification determination section has determined that the contact state determined is the contact state to be notified.
  • an operator of the yarn winding device can grasp the contact state of the bobbin or the package on the basis of a notification result provided by the notification section. The operator can make operations such as adjusting the contact state of the bobbin or the package or stopping winding of the yarn.
  • the yarn winding device further includes a contact-state input section into which the contact state to be notified is input.
  • the notification determination section uses the contact state to be notified input in the contact-state input section as the predetermined contact state to be notified.
  • the operator of the yarn winding device can use the contact-state input section to set the contact state to be notified.
  • the operator of the yarn winding device can change the contact state to be notified according to the type of yarn to be wound, for example.
  • the yarn winding device may further include a yarn-speed detection section configured to detect the yarn speed of the yarn to be wound around the bobbin or the package.
  • the contact-state determination section may further determine the contact state, based on temporal variation in difference between the yarn speed detected by the yarn-speed detection section and the second peripheral speed calculated by the roller-peripheral-speed calculation section.
  • a layer of yarn the amount of yarn
  • the touch roller increases as the yarn is wound.
  • the outer peripheral surface of the package and the outer peripheral surface of the touch roller are in contact with each other at one point (contact point) . Furthermore, as the layer of yarn increases, the contact point between the outer peripheral surface of the package and the touch roller moves toward the central position (the central position in the rotational-axis direction) of the package outer peripheral surface. The speed of the movement of the contact point changes depending on the speed at which the clearance between the bobbin and the touch roller is filled with the yarn. Specifically, for example, a state is assumed in which the base-end portion of the bobbin is in contact with the touch roller.
  • the peripheral speed of the touch roller becomes substantially the same as the peripheral speed of the package outer peripheral surface at the central position thereof .
  • the peripheral speed of the touch roller becomes substantially the same as the yarn speed.
  • the speed at which the peripheral speed of the touch roller converges to the yarn speed changes depending on the clearance size between the bobbin and the touch roller, that is, the state of inclination of the rotation shaft of the bobbin (package) with respect to the rotation shaft of the touch roller.
  • the contact-state determination section can determine the state of inclination of the bobbin (package) with respect to the touch roller, that is, the contact state of the package with respect to the touch roller.
  • the yarn winding device may further include a contact-state storage section configured to store identification information for identifying the package and the contact state of the package determined by the contact-state determination section in a manner associated with each other. In this case, even after the package has been formed, the operator or the like of the yarn winding device can check the contact state when the yarn was being wound around the package on the basis of information stored in the contact-state storage section.
  • the contact state of the bobbin or the package that is in contact with the touch roller can be determined.
  • upstream and downstream mean upstream and downstream in a traveling direction of a yarn during winding.
  • the automatic winder 1 includes a plurality of the winder units 10 disposed in parallel, an automatic doffer 80, and a machine control device 90 as main components.
  • Each winder unit 10 winds the yarn 20 unwound from a yarn feeding bobbin 21 onto a winding bobbin 22 (see FIG. 2 ) while traversing the yarn 20, thereby forming a package 30.
  • the term "traverse" means to cause yarn being wound to reciprocate.
  • the package 30 is a traverse-wound package.
  • the automatic doffer 80 travels to the position of the corresponding winder unit 10, and discharges the fully wound package 30 from the winder unit 10, and also supplies an empty bobbin to the winder unit 10.
  • the machine control device 90 includes a setting section (a bobbin-information input section, a contact-state input section) 91, a display section 92, and a speaker 93.
  • the setting section 91 an operator can make settings for each winder unit 10 by inputting predetermined set values or selecting an appropriate control method.
  • the predetermined set values that the operator inputs to the setting section 91 include bobbin information for identifying the type (shape) of a winding bobbin 22 around which the yarn 20 is to be wound.
  • the bobbin information does not necessarily have to be identified by the operator's direct input of the type of a winding bobbin 22 to be used.
  • the bobbin information may be identified by the type of the yarn 20 input by the operator.
  • the setting section 91 receives input of a contact state to be notified. This contact state to be notified is input by the operator.
  • the setting section 91 sets the contact state to be notified input by the operator for each winder unit 10.
  • the contact state to be notified will be described later.
  • the display section 92 is configured to be capable of displaying a winding status of the yarn 20 of each winder unit 10 and information on a trouble that has occurred, for example.
  • the display section 92 may be configured with a touch panel, and the setting section 91 may be included in the display section 92.
  • the speaker 93 outputs a sound in response to instructions from a notification instruction section 55 described later to notify the operator.
  • the winder unit 10 includes a winding-unit main body 17 and a unit controller 50 as main components.
  • the unit controller 50 includes a CPU, a RAM, a ROM, an I/O port, and a communication port.
  • ROM a program for controlling each component of the winding-unit main body 17 is stored.
  • I/O port and the communication port each component (described later in detail) included in the winding-unit main body 17 and the machine control device 90 are connected so that communication of control information or the like can be established.
  • the unit controller 50 can control motion of each component included in the winding-unit main body 17.
  • the winding-unit main body 17 includes, on a yarn traveling path between the yarn feeding bobbin 21 and a touch roller 29, in the order from the yarn feeding bobbin 21 side : a yarn-unwinding assisting device 12; a tension applying device 13; a yarn joining device 14; a photoelectric length measuring device (yarn-speed detection section) 15; and a yarn monitoring device 16.
  • a yarn feeding section 11 is provided below the winding-unit main body 17, a yarn feeding section 11 is provided below the winding-unit main body 17, a yarn feeding section 11 is provided below the winding-unit main body 17, a yarn feeding section 11 is provided below the winding-unit main body 17, a yarn feeding section 11 is provided below the winding-unit main body 17, a yarn feeding section 11 is provided below the winding-unit main body 17, a yarn feeding section 11 is provided below the winding-unit main body 17, a yarn feeding section 11 is provided below the winding-unit main body 17, a yarn feeding section 11 is provided below the winding-unit main body 17, a yarn feeding
  • the yarn-unwinding assisting device 12 assists unwinding of the yarn 20 from the yarn feeding bobbin 21 by lowering a regulating member 40 covering a core tube of the yarn feeding bobbin 21 in conjunction with the unwinding of the yarn 20 from the yarn feeding bobbin 21.
  • the regulating member 40 comes into contact with a balloon of the yarn 20 that is formed above the yarn feeding bobbin 21 by swinging and centrifugal force of the yarn 20 unwound from the yarn feeding bobbin 21, and controls the balloon of the yarn 20 to an appropriate size, thereby assisting unwinding of the yarn 20.
  • a sensor (not illustrated) configured to detect a chase portion of the yarn feeding bobbin 21 is provided. When this sensor has detected descent of the chase portion, the yarn-unwinding assisting device 12 follows the descent of the chase portion to lower the regulating member 40 by an air cylinder or the like (not illustrated).
  • the tension applying device 13 applies a predetermined tension to the traveling yarn 20.
  • a tension applying device 13 for example, a gate-type device in which comb teeth movable with respect to fixed comb teeth are disposed may be used. The movable comb teeth are swung by a rotary solenoid so as to be engaged with or released from the fixed comb teeth.
  • a disk-type device may be used as the tension applying device 13, in addition to the above-described gate-type device.
  • the yarn joining device 14 joins the lower yarn from the yarn feeding bobbin 21 and the upper yarn from the package 30.
  • a mechanical knotter, a splicer using fluid such as compressed air, and the like may be used as the yarn joining device configured to join the upper yarn and the lower yarn in this manner.
  • the photoelectric length measuring device 15 is a length measuring device of a noncontact photoelectric type, and detects a yarn speed that is the traveling speed of the yarn 20 without touching the yarn 20. Specifically, the photoelectric length measuring device 15 projects the yarn 20 onto a photodetector, and processes changes in photoelectric current generated when the projected yarn 20 travels using what is called a spatial filter method, thereby detecting the yarn speed of the yarn 20 to be wound around the winding bobbin (bobbin) 22 or the package 30.
  • the yarn monitoring device 16 includes a head 49 in which a sensor (not illustrated) for detecting the thickness of the yarn 20 is disposed and an analyzer 58 configured to process a yarn thickness signal from this sensor.
  • the analyzer 58 is provided in the unit controller 50.
  • the yarn monitoring device 16 detects a yarn defect such as a slub by monitoring the yarn thickness signal from the sensor.
  • a cutter 39 configured to cut the yarn 20 immediately when the yarn monitoring device 16 has detected a yarn defect is provided.
  • a lower-yarn catching member 25 configured to catch a yarn end of the lower yarn and guide the yarn end to the yarn joining device 14 is provided below the yarn joining device 14.
  • an upper-yarn catching member 26 configured to catch a yarn end of the upper yarn and guide the yarn end to the yarn joining device 14 is provided above the yarn joining device 14.
  • the lower-yarn catching member 25 includes a lower-yarn pipe arm 33 and a lower-yarn suction port 32 formed in the distal end of this lower-yarn pipe arm 33.
  • the upper-yarn catching member 26 includes an upper-yarn pipe arm 36 and an upper-yarn suction port 35 formed in the distal end of this upper-yarn pipe arm 36.
  • the lower-yarn pipe arm 33 and the upper-yarn pipe arm 36 are configured to be rotatable around a shaft 34 and a shaft 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.
  • the lower-yarn pipe arm 33 is configured to be capable of sucking and catching the yarn end of the lower yarn by generating suction flow in the lower-yarn suction port 32.
  • the upper-yarn pipe arm 36 is configured to be capable of sucking and catching the yarn end of the upper yarn by generating suction flow in the upper-yarn suction port 35.
  • Each of the lower-yarn pipe arm 33 and the upper-yarn pipe arm 36 is provided with a shutter (not illustrated) on its proximal end side. Each shutter is opened and closed in response to signals from the unit controller 50. With this configuration, stoppage and generation of suction flows from the lower-yarn suction port 32 and the upper-yarn suction port 35 are controlled.
  • the winding-unit main body 17 further includes: a cradle 23 configured to support the winding bobbin 22 in a detachable and rotatable manner; and the touch roller 29 configured to come into contact with an outer peripheral surface of the winding bobbin 22 or an outer peripheral surface of the package 30 and be rotatable.
  • the winding bobbin 22 has a cone-shaped (conical) shape.
  • the winding-unit main body 17 includes an arm-type traverse device 70 configured to traverse the yarn 20 near the cradle 23, and winds the yarn 20 onto the winding bobbin 22 or the package 30 while traversing the yarn 20 with this traverse device 70. At slightly upstream of this traverse position, a guide plate 28 is provided.
  • the guide plate 28 guides the upstream yarn 20 to the traverse position.
  • a ceramic traverse fulcrum 27 is provided at further upstream of the guide plate 28.
  • the traverse device 70 traverses the yarn 20 in a direction indicated by an arrow in FIG. 2 with this traverse fulcrum 27 as a fulcrum.
  • the winding-unit main body 17 winds the yarn 20 onto the cone-shaped winding bobbin 22 while traversing the yarn 20 with the traverse device 70, thereby forming a cone-shaped package 30.
  • the traverse device 70 includes a traverse drive motor 76, an output shaft 77, and a traverse arm 74.
  • FIG. 3 is a diagram when viewed from the axial direction of the touch roller 29. Rotation of the package 30 in a winding direction is clockwise in FIG. 3 , and rotation of the package 30 in an unwinding direction is counterclockwise in FIG. 3 .
  • the traverse drive motor 76 is a motor configured to drive the traverse arm 74, and configured with a servomotor, for example. Motion of the traverse drive motor 76 is controlled by the unit controller 50.
  • the traverse drive motor 76 may be another motor such as a step motor or a voice coil motor.
  • a hook-shaped yarn guiding section 73 on which yarn 20 is hooked is formed in a distal-end portion of the traverse arm 74.
  • the traverse arm 74 can guide the yarn 20 with the yarn guiding section 73.
  • the traverse device 70 swings the traverse arm 74 in a reciprocating manner while the yarn guiding section 73 is guiding the yarn 20 (moves the yarn guiding section 73), thereby being able to traverse the yarn 20 to be wound around the package 30.
  • the traverse drive motor 76 Power of the traverse drive motor 76 is transmitted to a proximal-end portion of the traverse arm 74 via the output shaft 77.
  • a rotor of the traverse drive motor 76 rotates forward and backward, the traverse arm 74 swings in a reciprocating manner in a direction orthogonal to the plane of FIG. 3 (in a left-right direction (winding width direction of the package 30) in FIG. 2 ) .
  • the traverse arm 74 in FIG. 3 indicates a position at a traverse end portion.
  • the touch roller 29 comes into contact with an outer peripheral surface of the winding bobbin 22 or the package 30, and is rotated by rotation of the winding bobbin 22 or the package 30.
  • the touch roller 29 has a cylindrical shape, wherein both end diameters of which are the same.
  • the touch roller 29 has a function of arranging the shape of the package 30.
  • the touch roller 29 also has a function of, while holding the traversed yarn 20 at a position where the yarn 20 is being traversed, causing the package 30 to wind the yarn 20.
  • the touch roller 29 is provided with a rotational speed sensor 31 configured to detect the rotational speed of the touch roller 29.
  • the rotational speed sensor 31 transmits a rotation detection signal corresponding to the rotational speed of the touch roller 29 to the unit controller 50.
  • various sensors such as a sensor configured to measure magnetic variation of a magnet attached to the touch roller 29 may be used.
  • the cradle 23 includes a first cradle arm 23a and a second cradle arm 23b in a pair and a coupling portion 23c coupling a proximal-end portion of the first cradle arm 23a and a proximal-end portion of the second cradle arm 23b.
  • the cradle 23 is configured to be swingable around a swinging shaft 48 provided to the coupling portion 23c. When the cradle 23 swings, the cradle 23 absorbs increase in diameter of the package 30 associated with winding of the yarn 20 onto the winding bobbin 22.
  • a first bobbin holding portion (bobbin holding portion) B1 configured to hold one end portion of the winding bobbin 22 is provided.
  • a second bobbin holding portion B2 configured to hold the other end portion of the winding bobbin 22 is provided.
  • a package drive motor (driving section) 41 configured with a servomotor is attached.
  • the package drive motor 41 drives and rotates the winding bobbin 22 held by the first bobbin holding portion B1 and the second bobbin holding portion B2.
  • the package drive motor 41 can drive and rotate the package 30 in a manner rotating forward such that the package 30 (winding bobbin 22) is rotated in the winding direction and also in a manner rotating backward such that the package 30 is rotated in the unwinding direction that is opposite to the winding direction.
  • the motor shaft (rotation shaft) of the package drive motor 41 is coupled to the first bobbin holding portion B1 holding the winding bobbin 22 in an integrally rotatable manner.
  • the package drive motor 41 rotates the first bobbin holding portion B1 thereby rotating the winding bobbin 22 (what is called a direct drive system).
  • Motion of the package drive motor 41 is controlled by the unit controller 50.
  • various motors such as a step motor and an induction motor may be used without being limited to the servomotor.
  • the package drive motor 41 is provided with a rotational speed sensor 24 configured to detect the rotational speed of the motor shaft of the package drive motor 41.
  • the rotational speed sensor 24 transmits a rotation detection signal corresponding to the rotational speed of the motor shaft to the unit controller 50.
  • the unit controller 50 further includes, in addition to the above-described analyzer 58, a package-peripheral-speed acquisition section 51, a roller-peripheral-speed calculation section 52, a contact-state determination section 53, a notification determination section 54, a notification instruction section 55, a storage section (a peripheral-speed-information storage section, a contact-state storage section) 56, and a package drive control section 57.
  • the package-peripheral-speed acquisition section 51 acquires the peripheral speed (first peripheral speed) of an outer peripheral surface of the winding bobbin 22 at a predetermined position in the rotational-axis direction of the winding bobbin 22.
  • the expression "at the time of start of winding the yarn 20” indicates a state in which the yarn 20 is not yet accumulated between the winding bobbin 22 and the touch roller 29 and an outer peripheral surface of the winding bobbin 22 is in contact with the touch roller 29.
  • the package-peripheral-speed acquisition section 51 acquires the peripheral speed (first peripheral speed) of an outer peripheral surface of the package 30 at a predetermined position in the rotational-axis direction of the package 30.
  • the expression “after the start of winding the yarn 20” indicates a state in which the yarn 20 is being wound around the winding bobbin 22 and the yarn 20 wound around the winding bobbin 22 is in contact with the touch roller 29, that is, a state in which the package 30 is in contact with the touch roller 29.
  • the package-peripheral-speed acquisition section 51 acquires, as the peripheral speed at the predetermined position in the rotational-axis direction, the respective peripheral speeds of outer peripheral surfaces of the winding bobbin 22 and the package 30 at central positions thereof in the rotational-axis direction.
  • the package-peripheral-speed acquisition section 51 can acquire the respective peripheral speeds of the outer peripheral surfaces of the winding bobbin 22 and the package 30 at the central positions in the rotational-axis direction on the basis of a known method.
  • the package-peripheral-speed acquisition section 51 may obtain the peripheral speed of the outer peripheral surface of the winding bobbin 22 or the package 30 at the predetermined position by computation based on peripheral-speed calculation information for calculating the peripheral speed.
  • This peripheral-speed calculation information contains at least one of the shape of the winding bobbin 22, the rotational speed of the winding bobbin 22, and the yarn speed of the yarn 20 to be wound, for example.
  • the shape of the winding bobbin 22 may include the diameter of the base-end portion of the winding bobbin 22, the length thereof in the rotational-axis direction, and the angle of inclination of the outer peripheral surface thereof with respect to the rotation shaft.
  • the shape of the winding bobbin 22 may include the diameter of the winding bobbin 22 at the central position in the rotational-axis direction.
  • the shape of the winding bobbin 22 is stored in advance in the storage section 56 for each type of the winding bobbin 22.
  • the package-peripheral-speed acquisition section 51 can identify the type of the used winding bobbin 22 on the basis of the bobbin information input in the setting section 91.
  • the package-peripheral-speed acquisition section 51 can acquire the shape of the winding bobbin 22 corresponding to the identified type from the storage section 56.
  • As the rotational speed of the winding bobbin 22, a detection result of the rotational speed sensor 24 may be used.
  • As the yarn speed of yarn to be wound, a detection result of the photoelectric length measuring device 15 may be used.
  • the package-peripheral-speed acquisition section 51 can calculate the peripheral speed of the outer peripheral surface of the winding bobbin 22 at the central position thereof in the rotational-axis direction on the basis of the shape of the winding bobbin 22 and the rotational speed detected by the rotational speed sensor 24. Specifically, the package-peripheral-speed acquisition section 51 can calculate the peripheral speed of the outer peripheral surface of the winding bobbin 22 at the central position thereof in the rotational-axis direction on the basis of the diameter of the winding bobbin 22 at the central position thereof in the rotational-axis direction that is obtained based on the shape of the winding bobbin 22 and the rotational speed detected by the rotational speed sensor 24.
  • the package-peripheral-speed acquisition section 51 calculates the diameter of the package 30 at the central position thereof in the rotational-axis direction on the basis of the yarn speed detected by the photoelectric length measuring device 15 and the rotational speed detected by the rotational speed sensor 24.
  • the package-peripheral-speed acquisition section 51 may calculate the peripheral speed of the outer peripheral surface of the package 30 at the central position thereof on the basis of the diameter of the package 30 thus calculated.
  • the package-peripheral-speed acquisition section 51 may use the yarn speed of the yarn 20 detected by the photoelectric length measuring device 15 as the peripheral speed of the outer peripheral surface of the package 30 at the central position thereof in the rotational-axis direction.
  • the package 30 has a cone shape, and the average yarn speed of yarn 20 traversed by the traverse device 70 is detected by the photoelectric length measuring device 15.
  • the average yarn speed of yarn 20 detected by the photoelectric length measuring device 15 corresponds to the peripheral speed of the outer peripheral surface of the package 30 at the central position thereof in the rotational-axis direction.
  • the package-peripheral-speed acquisition section 51 may acquire the peripheral speed of the outer peripheral surface of the winding bobbin 22 at the predetermined position without computation using the peripheral-speed calculation information.
  • the storage section 56 may store, for each shape of the winding bobbin 22, peripheral-speed information in which the shape of the winding bobbin 22 is associated with the peripheral speed of the outer peripheral surface of the winding bobbin 22 at the predetermined position.
  • the package-peripheral-speed acquisition section 51 can acquire the peripheral speed corresponding to the shape of a bobbin identified by the bobbin information input in the setting section 91 from the storage section 56.
  • peripheral speed of the outer peripheral surface of the winding bobbin 22 at the central position thereof in the rotational-axis direction and the peripheral speed of the outer peripheral surface of the package 30 at the central position thereof in the rotational-axis direction are referred to collectively as "package-center-diameter peripheral speed (first peripheral speed)".
  • the package drive control section 57 controls the rotational speed of the package drive motor 41 such that the yarn speed of the yarn 20 to be wound around the winding bobbin 22 or the package 30 becomes a predetermined yarn speed. For example, based on the diameter of the winding bobbin 22 or the package 30 at the central position thereof in the rotational-axis direction, the package drive control section 57 can calculate the rotational speed of the package drive motor 41 for achieving the predetermined yarn speed. The package drive control section 57 can calculate the diameter of the winding bobbin 22 or the package 30 at the central position in the rotational-axis direction on the basis of a known method.
  • the package drive control section 57 may calculate the diameter of the winding bobbin 22 at the central position in the rotational-axis direction on the basis of information that identifies the shape of the winding bobbin 22 set in advance in the package-peripheral-speed acquisition section 51. As one example, after the start of winding the yarn 20, the package drive control section 57 may calculate the diameter of the package 30 on the basis of the yarn speed detected by the photoelectric length measuring device 15 and the rotational speed detected by the rotational speed sensor 24.
  • the package drive control section 57 can perform control of adjusting the rotational speed of the package drive motor 41 on the basis of the actual yarn speed of the yarn 20 (what is called feedback control).
  • the roller-peripheral-speed calculation section 52 calculates the peripheral speed (second peripheral speed) of the outer peripheral surface of the touch roller 29.
  • the roller-peripheral-speed calculation section 52 can calculate the peripheral speed of the outer peripheral surface of the roller-peripheral-speed calculation section 52 on the basis of the diameter of the touch roller 29 and the rotational speed detected by the rotational speed sensor 31.
  • the diameter of the touch roller 29 is set in advance in the roller-peripheral-speed calculation section 52.
  • touch-roller peripheral speed (second peripheral speed) the peripheral speed of the outer peripheral surface of the touch roller 29 is referred to as "touch-roller peripheral speed (second peripheral speed)".
  • the contact-state determination section 53 compares the package-center-diameter peripheral speed acquired by the package-peripheral-speed acquisition section 51 and the touch-roller peripheral speed calculated by the roller-peripheral-speed calculation section 52, thereby determining the contact state of the winding bobbin 22 or the package 30 that is in contact with the touch roller 29.
  • the contact-state determination section 53 determines, as the contact state, whether the base-end portion of the winding bobbin 22 or the package 30 is in contact with the touch roller 29, whether the top-end portion is in contact with the touch roller 29, and whether a central portion between the base-end portion and the top-end portion is in contact with the touch roller 29.
  • the touch-roller peripheral speed is different between when the outer peripheral surface of the base-end portion of the winding bobbin 22 or the package 30 is in contact with the touch roller 29 and when the outer peripheral surface of the top-end portion of the winding bobbin 22 or the package 30 is in contact with the touch roller 29.
  • the touch-roller peripheral speed changes depending on such contact portions of the winding bobbin 22 or the package 30 that is in contact with the touch roller 29.
  • the contact-state determination section 53 compares the package-center-diameter peripheral speed and the touch-roller peripheral speed, thereby being able to determine which portion of the winding bobbin 22 or the package 30 is in contact with the touch roller 29, that is, the contact state of the winding bobbin 22 or the package 30.
  • the contact-state determination section 53 determines that the base-end portion 22a of the winding bobbin 22 is in contact with the touch roller 29 as illustrated in FIG. 4 (a) . Similarly, after the start of winding the yarn 20, if the touch-roller peripheral speed and the package-center-diameter peripheral speed satisfy Formula (1) below, the contact-state determination section 53 determines that the base-end portion of the package 30 is in contact with the touch roller 29. Touch-roller peripheral speed / Package-center-diameter peripheral speed > 1
  • the contact-state determination section 53 determines that the outer peripheral surface of the winding bobbin 22 at the central position thereof in the rotational-axis direction is in contact with the touch roller 29 as illustrated in FIG. 4 (b) .
  • the contact-state determination section 53 determines that the outer peripheral surface of the package 30 at the central position thereof in the rotational-axis direction is in contact with the touch roller 29.
  • the contact-state determination section 53 determines that the top-end portion 22b of the winding bobbin 22 is in contact with the touch roller 29 as illustrated in FIG. 4 (c) . Similarly, after the start of winding yarn 20, if the touch-roller peripheral speed and the package-center-diameter peripheral speed satisfy Formula (3) below, the contact-state determination section 53 determines that the top-end portion of the package 30 is in contact with the touch roller 29. Touch-roller peripheral speed / Package-center-diameter peripheral speed ⁇ 1
  • the contact-state determination section 53 further determines the contact state on the basis of temporal variation in difference between the yarn speed of the yarn 20 detected by the photoelectric length measuring device 15 and the touch-roller peripheral speed calculated by the roller-peripheral-speed calculation section 52.
  • the contact-state determination section 53 determines, as the contact state, whether the clearance between the top-end portion of the package 30 and the touch roller 29 is wide or narrow in a state in which the base-end portion thereof is in contact with the touch roller 29.
  • the contact-state determination section 53 determines, as the contact state, whether the clearance between the base-end portion of the package 30 and the touch roller 29 is wide or narrow in a state in which the top-end portion thereof is in contact with the touch roller 29.
  • the contact point between the outer peripheral surface of the package 30 and the touch roller 29 moves toward the central position (central position in the rotational-axis direction) of the outer peripheral surface of the package 30.
  • the speed of the movement of the contact point changes depending on the speed at which the clearance between the winding bobbin 22 and the touch roller 29 is filled with the yarn.
  • a state is assumed in which the base-end portion 22a of the winding bobbin 22 is in contact with the touch roller 29.
  • the clearance between the winding bobbin 22 and the touch roller 29 is wide (when a space between the top-end portion 22b of the winding bobbin 22 and the outer peripheral surface of the touch roller 29 is wide)
  • the movement of the contact point is slower than when the clearance between the winding bobbin 22 and the touch roller 29 is narrow (the space between the top-end portion 22b and the outer peripheral surface of the touch roller 29 is narrow) .
  • the clearance between the winding bobbin 22 and the touch roller 29 is wide as illustrated in FIG. 5(a)
  • the speed at which the clearance is filled with the yarn 20 is slower than when the clearance between the winding bobbin 22 and the touch roller 29 is narrow as illustrated in FIG. 4(a) , and accordingly the movement of the contact point is slower.
  • the package-center-diameter peripheral speed corresponds to the average yarn speed of the yarn 20 (the average traveling speed of the yarn 20).
  • the touch-roller peripheral speed becomes substantially the same as the package-center-diameter peripheral speed.
  • the touch-roller peripheral speed becomes substantially the same as the average yarn speed of the yarn 20. It should be noted that the touch-roller peripheral speed and the package-center-diameter peripheral speed do not become the same technically due to occurrence of slippage between the package 30 and the touch roller 29, for example.
  • the touch-roller peripheral speed converges to the yarn speed of the yarn 20.
  • the speed at which the touch-roller peripheral speed converges to the yarn speed of the yarn 20 changes depending on the clearance size between the winding bobbin 22 and the touch roller 29, that is, the state of inclination of the rotation shaft of the winding bobbin 22 (package 30) with respect to the rotation shaft of the touch roller 29.
  • FIG. 6 illustrates variation in touch-roller peripheral speed when the yarn 20 is wound in the states illustrated in FIG. 4(a), FIG. 4(c) , FIG. 5(a), and FIG. 5(b) .
  • the curve L1 given in FIG. 6 represents variation in peripheral speed when yarn 20 is wound in the state illustrated in FIG. 5(a) .
  • the curve L2 given in FIG. 6 represents variation in peripheral speed when yarn 20 is wound in the state illustrated in FIG. 4(a) .
  • the curve S1 given in FIG. 6 represents variation in peripheral speed when yarn 20 is wound in the state illustrated in FIG. 5(b) .
  • the curve S2 given in FIG. 6 represents variation in peripheral speed when yarn 20 is wound in the state illustrated in FIG. 4(c) .
  • the contact-state determination section 53 can determine the state of inclination of the winding bobbin 22 (package 30) with respect to the touch roller 29, that is, the contact state.
  • the contact-state determination section 53 can also determine which of the base-end portion and the top-end portion of the package 30 is in contact with the touch roller 29 on the basis of whether the touch-roller peripheral speed after a lapse of a predetermined period of time from the start of winding yarn 20 is higher or lower than the yarn speed of yarn 20.
  • the contact-state determination section 53 determines that the base-end portion of the package 30 is in contact therewith. If the touch-roller peripheral speed is lower than the yarn speed of yarn 20, the contact-state determination section 53 determines that the top-end portion of the package 30 is in contact therewith.
  • the contact-state determination section 53 compares the touch-roller peripheral speed and the package-center-diameter peripheral speed, thereby determining, as the contact state, which of the base-endportion, the top-endportion, and the central position of the winding bobbin 22 or the package 30 is in contact with the touch roller 29.
  • the contact-state determination section 53 can make this determination in both cases of at the time of start of winding the yarn 20 and after the start of winding the yarn 20.
  • the contact-state determination section 53 determines, as the contact state, the state of inclination of the winding bobbin 22 (package 30) with respect to the touch roller 29 on the basis of temporal variation in difference between the average yarn speed of the yarn 20 and the touch-roller peripheral speed.
  • the contact-state determination section 53 can make this determination after a lapse of a predetermined period of time from the start of winding the yarn 20.
  • the notification determination section 54 determines whether the contact state determined by the contact-state determination section 53 is a predetermined contact state to be notified.
  • the notification determination section 54 uses, as the predetermined contact state to be notified, a contact state to be notified set in the setting section 91.
  • the contact state to be notified includes at least either one of the base-end portion, the top-end portion, and the central position of the winding bobbin 22 or the package 30 is in contact with the touch roller 29 and the state of inclination of the winding bobbin 22 (package 30) with respect to the touch roller 29.
  • the state in which the top-end portion of the winding bobbin 22 or the package 30 is in contact with the touch roller 29 and the state in which a central portion of the winding bobbin 22 or the package 30 is in contact with the touch roller 29 are set. Furthermore, as one example of the contact state to be notified, the state of inclination of the package 30 is set in which the base-end portion of the package 30 is in contact with the touch roller 29 and the clearance between the top-end portion of the package 30 and the outer peripheral surface of the touch roller 29 is equal to or larger than a predetermined value.
  • the notification instruction section 55 provides notification by activating the speaker 93 when the notification determination section 54 has determined that the contact state of the winding bobbin 22 or the package 30 is the contact state to be notified.
  • the notification instruction section 55 and the speaker 93 function as a notification section configured to provide notification when the notification determination section 54 has determined that the contact state thereof is the contact state to be notified.
  • the storage section 56 stores identification information for identifying the package 30 and the contact state of the package 30 determined by the contact-state determination section 53 in a manner associated with each other.
  • the storage section 56 can use, as the identification information for the package 30, identification information provided by a known method, such as identification information provided by the unit controller 50 for managing each package 30.
  • the storage section 56 stores in advance the shape of the winding bobbin 22 for each type of the winding bobbin 22.
  • the storage section 56 may store, for each shape of the winding bobbin 22, peripheral-speed information in which the shape of the winding bobbin 22 is associated with the peripheral speed of the outer peripheral surface of the winding bobbin 22 at a predetermined position.
  • the unit controller 50 controls motion of the traverse drive motor 76 in addition to the above-described determination of the contact state and the like.
  • the unit controller 50 further controls catching motion of the lower-yarn catching member 25 and the upper-yarn catching member 26 (swinging of the lower-yarn pipe arm 33 and the upper-yarn pipe arm 36).
  • the unit controller 50 controls opening and closing of the shutters provided to the lower-yarn pipe arm 33 and the upper-yarn pipe arm 36 to control stoppage and generation of suction flows from the lower-yarn suction port 32 and the upper-yarn suction port 35.
  • the contact-state determination section 53 compares the package-center-diameter peripheral speed and the touch-roller peripheral speed, thereby being able to determine which portion of the winding bobbin 22 or the package 30 is in contact with the touch roller 29, that is, the contact state of the winding bobbin 22 or the package 30. In this manner, the winder unit 10 can determine the contact state of the winding bobbin 22 or the package 30 that is in contact with the touch roller 29.
  • the package-peripheral-speed acquisition section 51 can obtain the peripheral speed of the outer peripheral surface of the winding bobbin 22 or the package 30 at the predetermined position on the basis of the peripheral-speed calculation information for calculating the peripheral speed. In this case, the package-peripheral-speed acquisition section 51 can acquire, by computation, the peripheral speed of the outer peripheral surface of the winding bobbin 22 or the package 30 at the predetermined position.
  • the peripheral-speed calculation information may contain at least one of the shape of the winding bobbin 22, the rotational speed of the winding bobbin 22, and the average yarn speed of the yarn 20 to be wound.
  • the package-peripheral-speed acquisition section 51 can accurately calculate the peripheral speed using these values.
  • the package-peripheral-speed acquisition section 51 may acquire, from the storage section 56, the peripheral speed corresponding to the shape of the bobbin that is identified by the bobbin information input in the setting section 91. In this case, the package-peripheral-speed acquisition section 51 can acquire the peripheral speed from the storage section 56 without performing computation.
  • the notification instruction section 55 provides notification by outputting a sound from the speaker 93.
  • the operator of the winder unit 10 can grasp the contact state of the winding bobbin 22 or the package 30 on the basis of the sound output from the speaker 93. The operator can make operations such as adjusting the contact state of the winding bobbin 22 or the package 30 or stopping winding of the yarn 20.
  • the winder unit 10 includes the setting section 91 for inputting the contact state to be notified.
  • the operator of the winder unit 10 can use the setting section 91 to set the contact state to be notified.
  • the operator of the winder unit 10 can change the contact state to be notified according to the type of the yarn 20 to be wound, for example.
  • the contact-state determination section 53 can determine the state of inclination of the winding bobbin 22 with respect to the touch roller 29, that is, the contact state of the package 30 with respect to the touch roller 29.
  • the storage section 56 stores identification information of the package 30 and the contact state of the package 30 determined by the contact-state determination section 53 in a manner associated with each other. In this case, even after the package 30 has been formed, the operator or the like of the winder unit 10 can check the contact state when the yarn 20 was being wound around the package 30 on the basis of information stored in the storage section 56.
  • the contact-state determination section 53 may determine that the winding bobbin 22 is distorted.
  • the traverse device 70 does not necessarily have to be configured to traverse the yarn 20 by swinging the traverse arm 74 in a reciprocating manner.
  • the traverse device 70 may be configured to traverse the yarn 20 by reciprocating the yarn guiding section 73 by belt driving.
  • the package drive control section 57 may stop winding the yarn 20.
  • the notification instruction section 55 may provide notification by changing a display mode of the display section 92 in addition to the speaker 93 or instead of the speaker 93.
  • the cradle 23 may have a mechanism of, based on the contact state determined by the contact-state determination section 53, changing the angle of the winding bobbin 22 such that it becomes a predetermined contact state.
  • the winder unit 10 does not necessarily have to provide notification based on a determination result of the contact state.
  • the winder unit 10 may only determine the contact state, or may only store the determined contact state and the identification information of the package 30 in a manner associated with each other.
  • the contact state to be notified that the notification determination section 54 uses in determination does not have to be changeable by the setting section 91.
  • the notification determination section 54 may use the predetermined contact state as the contact state to be notified.
  • the contact-state determination section 53 does not have to determine the contact state on the basis of temporal variation in difference between the yarn speed of the yarn 20 and the touch-roller peripheral speed.
  • the winder unit 10 does not have to include the storage section 56 configured to store identification information of the package 30 and the contact state thereof in a manner associated with each other.
  • the package-peripheral-speed acquisition section 51 acquires, as the peripheral speeds of the winding bobbin 22 and the package 30 at the predetermined positions in the rotational-axis direction, the respective peripheral speeds of the outer peripheral surfaces thereof at central positions in the rotational-axis direction.
  • the package-peripheral-speed acquisition section 51 may acquire, as the peripheral speeds of the winding bobbin 22 and the package 30 at the predetermined positions in the rotational-axis direction, the respective peripheral speeds (first peripheral speed) of the outer peripheral surfaces thereof at predetermined positions between the base-end portion and the top-end portion.
EP18863777.1A 2017-09-27 2018-09-03 Thread winding device Active EP3689803B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017186609A JP2019059601A (ja) 2017-09-27 2017-09-27 糸巻取機
PCT/JP2018/032615 WO2019065106A1 (ja) 2017-09-27 2018-09-03 糸巻取機

Publications (3)

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EP3689803A1 EP3689803A1 (en) 2020-08-05
EP3689803A4 EP3689803A4 (en) 2021-05-26
EP3689803B1 true EP3689803B1 (en) 2023-02-22

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EP18863777.1A Active EP3689803B1 (en) 2017-09-27 2018-09-03 Thread winding device

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EP (1) EP3689803B1 (zh)
JP (1) JP2019059601A (zh)
CN (1) CN111132918B (zh)
WO (1) WO2019065106A1 (zh)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61221060A (ja) * 1985-03-28 1986-10-01 Teijin Seiki Co Ltd 糸条巻取機の異常監視装置
JPS61221061A (ja) * 1985-03-28 1986-10-01 Teijin Seiki Co Ltd スピンドル駆動型糸条巻取機の異常監視装置
CH675132A5 (zh) * 1987-09-01 1990-08-31 Zellweger Uster Ag
ES2050766T3 (es) * 1988-12-22 1994-06-01 Barmag Barmer Maschf Maquina bobinadora.
US5141169A (en) * 1990-08-06 1992-08-25 Teijin Seiki Co., Ltd. Method and apparatus for winding a yarn according to desired tension and winding speed
EP1106557B1 (de) * 1999-12-09 2004-05-19 Saurer GmbH & Co. KG Aufspulmaschine und Verfahren zur Steuerung einer Aufspulmaschine
JP2012224436A (ja) * 2011-04-19 2012-11-15 Murata Machinery Ltd 糸巻取機
JP2013199339A (ja) * 2012-03-23 2013-10-03 Murata Machinery Ltd 巻取装置
JP2013249160A (ja) * 2012-05-31 2013-12-12 Murata Machinery Ltd パッケージ排出装置および糸巻取機
JP2014040325A (ja) * 2012-07-27 2014-03-06 Murata Mach Ltd 駆動状態検出装置、巻取ユニット、巻取機、紡績ユニット及び紡績機
JP2014108844A (ja) 2012-11-30 2014-06-12 Murata Mach Ltd 糸巻取機及び糸引き出し方法
JP2015178403A (ja) * 2014-03-19 2015-10-08 村田機械株式会社 糸巻取機及び巻取方法
CN104210895A (zh) * 2014-09-10 2014-12-17 新昌县锦马科技有限公司 包覆丝机纱筒成型辅助装置
CZ306035B6 (cs) * 2014-12-01 2016-07-07 Rieter Cz S.R.O. Způsob navíjení příze na křížovou cívku na pracovním místě rotorového dopřádacího stroje a zařízení k provádění způsobu
DE102015008166A1 (de) * 2015-06-25 2016-12-29 Saurer Germany Gmbh & Co. Kg Verfahren und Vorrichtung zum Optimieren der Dichte von auf Arbeitsstellen eines Kreuzspulautomaten hergestellten Kreuzspulen

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Publication number Publication date
CN111132918A (zh) 2020-05-08
WO2019065106A1 (ja) 2019-04-04
CN111132918B (zh) 2021-09-10
EP3689803A1 (en) 2020-08-05
EP3689803A4 (en) 2021-05-26
JP2019059601A (ja) 2019-04-18

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