EP3549893A1 - Enrouleur automatique, système d'enroulement de fil et procédé d'enroulement de fil - Google Patents

Enrouleur automatique, système d'enroulement de fil et procédé d'enroulement de fil Download PDF

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Publication number
EP3549893A1
EP3549893A1 EP17876272.0A EP17876272A EP3549893A1 EP 3549893 A1 EP3549893 A1 EP 3549893A1 EP 17876272 A EP17876272 A EP 17876272A EP 3549893 A1 EP3549893 A1 EP 3549893A1
Authority
EP
European Patent Office
Prior art keywords
yarn
winding speed
information
quality
automatic winder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17876272.0A
Other languages
German (de)
English (en)
Other versions
EP3549893B1 (fr
EP3549893A4 (fr
Inventor
Takeshi Hamada
Tetsuji Masai
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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Filing date
Publication date
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Publication of EP3549893A1 publication Critical patent/EP3549893A1/fr
Publication of EP3549893A4 publication Critical patent/EP3549893A4/fr
Application granted granted Critical
Publication of EP3549893B1 publication Critical patent/EP3549893B1/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
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/74—Driving arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/32—Counting, measuring, recording or registering devices
    • 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 yarn winding speed in the automatic winder may be changed according to the processing status of forming a yarn supply bobbin in the spinning frame.
  • the winding speed of the automatic winder can be controlled appropriately based on the processing status of forming a yarn supply bobbin in the spinning frame (for example, the supply timing of a yarn supply bobbin transferred from the spinning frame to the automatic winder) .
  • the amount of hairiness may change to cause a change in yarn quality. It is undesirable that the yarn quality changes in the middle of forming a package.
  • the automatic winder includes an acquisition unit configured to acquire information related to quality of the yarn.
  • the controller controls the winding speed, based on a quality index of the yarn based on the information related to quality acquired by the acquisition unit and a preset index threshold range related to quality of the yarn, such that the quality index falls within the index threshold range.
  • yarn is wound such that the quality of yarn is within a certain range. In the automatic winder, therefore, changes in yarn quality in the middle of forming a package can be reduced.
  • controlling the winding speed such that the quality index falls within the index threshold range is particularly effective in reducing changes in yarn quality in the middle of forming a package.
  • the automatic winder includes an acquisition unit configured to acquire information related to quality of the yarn.
  • the controller controls the winding speed, based on a quality index of the yarn based on the information related to quality acquired by the acquisition unit and a preset index threshold range related to quality of the yarn, such that the quality index falls within the index threshold range.
  • the yarn quality may change with a change in winding speed.
  • the yarn winding method In the yarn winding method according to an aspect of the present invention, information related to quality of the yarn is acquired in the automatic winder. In the control step in the automatic winder, the winding speed is controlled, based on a quality index of the yarn based on the information related to quality acquired at the acquisition step and a preset index threshold range related to quality of the yarn, such that the quality index falls within the index threshold range.
  • the yarn quality when the winding speed of the automatic winder is controlled based on a processing status of forming a yarn supply bobbin in the spinning frame, the yarn quality may change with a change in winding speed.
  • changes in yarn quality in the middle of forming a package can be reduced.
  • the twisting device 34 has a hollow guide shaft 35, a ring rail 36, a ring 37, and a traveller 38.
  • the hollow guide shaft 35 holds a bottom portion 12a of the bobbin 12 with a top portion 12b of the bobbin 12 facing upward and rotates the bobbin 12.
  • the ring rail 36 is movable in the axial direction of the bobbin 12.
  • the ring 37 is fixed to the ring rail 36.
  • the traveller 38 is supported by the ring 37 and movable along the ring 37.
  • the twisting device 34 the roved yarn 13 drafted in the drafting device 33 is inserted into a gap between the ring 37 and the traveller 38, and an end of the roved yarn 13 is fixed to the bobbin 12.
  • the hollow guide shaft 35 rotates the bobbin 12, so that the traveller 38 moves along the ring 37 so as to be pulled by the roved yarn 13.
  • the ring rail 36 gradually moves from the bottom portion 12a side to the top portion 12b side while reciprocating in a predetermined range along the axial direction of the bobbin 12.
  • the rotation of the traveller 38 lags behind the rotation of the bobbin 12, whereby the roved yarn 13 is twisted to produce yarn 14.
  • the yarn 14 is then wound onto the bobbin 12 to form a yarn supply bobbin 11.
  • the automatic winder 4 includes a control device (controller) 41 configured to control the operation of the automatic winder 4, a plurality of winder units 42 configured to form packages, and the bobbin transfer device 5.
  • the control device 41 has a display unit 41a such as a display and an operation unit (input unit) 41b such as an input key.
  • the display unit 41a displays, for example, the operating status of each winder unit 42.
  • the operation unit 41b is used by the operator to make settings of the operating condition of each winder unit 42.
  • the control device 41 also controls the operation of the bobbin transfer device 5.
  • the winder unit 42 has a winding device 43, a tension applying device 44, a yarn monitoring device (acquisition unit) 45, an upper yarn catching device 46, a lower yarn catching device 47, and a yarn joining device 48.
  • the winding device 43 includes a cradle 43a and a winding drum 43b.
  • the cradle 43a supports a package 15.
  • the winding drum 43b has a traverse groove and rotates the package 15 while allowing the yarn 14 to traverse.
  • the tension applying device 44 applies a predetermined tension to yarn 14 travelling from the yarn supply bobbin 11 toward the package 15.
  • the winding device 43 may be configured such that the winding drum 43b does not allow yarn 14 to traverse. In this configuration, the winding drum 43b does not have a traverse groove, and a traverse mechanism (for example, a traverse arm and a motor) maybe provided separately from the winding drum 43b so that the traverse mechanism may allow yarn 14 to traverse.
  • a traverse mechanism for example, a traverse arm and a motor
  • the yarn monitoring device 45 has a slit to allow yarn 14 to pass through in the yarn path of yarn 14 and monitors the yarn 14 passing through the slit with a not-shown optical sensor.
  • the yarn monitoring device 45 outputs information related to quality (hereinafter may be referred to as "quality information") to the control device 41.
  • quality information information related to quality
  • a cutter (not shown) is provided for cutting yarn 14. The yarn monitoring device 45 actuates the cutter when detecting a defect of yarn 14.
  • the upper yarn catching device 46 catches a yarn end of yarn 14 on the package 15 side and guides the yarn end to the yarn joining device 48.
  • the lower yarn catching device 47 catches a yarn end of yarn 14 on the yarn supply bobbin 11 side and guides the yarn end to the yarn joining device 48.
  • the yarn joining device 48 joins the yarn ends guided by the upper yarn catching device 46 and the lower yarn catching device 47.
  • the spinning frame 3 transmits spinning information (which will be detailed later) to the automatic winder 4 and the automatic winder 4 controls the operation of the automatic winder 4 based on spinning information and quality information.
  • the spinning frame 3 includes the control device (generator) 31 and a transmitter 31c, as functional elements for embodying the mechanism above.
  • the automatic winder 4 includes the control device (controller) 41, the winder units 42, and a receiver 41c.
  • the control device 31 is an electronic control unit including a central processing unit (CPU), a read only memory (ROM), and a random access memory (RAM) .
  • the control device 31 loads a program stored in the ROM to the RAM and executes the program in the CPU to perform a variety of control.
  • the control device 31 may be configured with a plurality of electronic control units.
  • the control device 31 functions as a generator configured to generate spinning information including information about the processing status of forming a yarn supply bobbin 11.
  • processing status information is, for example, information indicating the remaining time before the yarn supply bobbins 11 are simultaneously doffed in a plurality of spinning units 32 by simultaneous doffing, and information indicating the number of spinning units 32 that are spinning.
  • the control device 31 can obtain the processing status information as described above, for example, by monitoring the operating status of each spinning unit 32 and referring to the settings about the operation of each spinning unit 32.
  • the control device 31 generates data including the above-noted processing status information as spinning information and transmits the generated data to the automatic winder 4 through the transmitter 31c.
  • the control device 31 generates and transmits spinning information to the automatic winder 4 at any timing.
  • the control device 31 periodically generates and transmits spinning information to the automatic winder 4 at predetermined intervals. This configuration enables the automatic winder 4 to timely grasp the processing status of the spinning frame 3 and enables appropriate setting of the winding speed of the winder unit 42 each time (detailed later).
  • the transmitter 31c transmits the spinning information generated by the control device 31 to the automatic winder 4.
  • the transmission by the transmitter 31c may be wired through a cable or the like or may be wireless.
  • radio waves, infrared radiation, or light may be employed as a transmission medium.
  • FIG. 4 illustrates the transmitter 31c as an element separate from the control device 31, the transmitter 31c may be included in the control device 31. More specifically, the transmitter 31c may be a communication function embedded in the control device 31.
  • the receiver 41c receives the spinning information transmitted from the spinning frame 3.
  • the reception by the receiver 41c may be wired through a cable or the like or may be wireless.
  • radio waves, infrared radiation, or light may be employed as a transmission medium.
  • FIG. 4 illustrates the receiver 41c as an element separate from the control device 41, the receiver 41c may be included in the control device 41. More specifically, the receiver 41c may be a communication function embedded in the control device 41.
  • the control device 41 determines the winding speed at which each winder unit 42 winds yarn from a yarn supply bobbin 11, based on the processing status information included in the spinning information, and controls the operation of each winder unit 42 such that yarn is wound from the yarn supply bobbin 11 at the determined winding speed.
  • control device 41 calculates the number of remaining bobbins by subtracting the number of supplied or ejected bobbins from the number of spinning units 32 ([the number of spinning units 32] - [the number of supplied or ejected bobbins]).
  • the control device 41 adjusts the winding speed such that the winding speed attains the target winding speed.
  • the initial value of the target winding speed may be set through input by the operator or may be automatically set based on, for example, the lot of yarn 14.
  • the control device 41 changes the winding speed of each winder unit 42 based on the quality information output from the yarn monitoring device 45 and controls the operation of each winder unit 42 such that yarn is wound from the yarn supply bobbin 11 at the changed winding speed. That is, the control device 41 sets the target winding speed based on the processing status information and changes the winding speed based on the quality information.
  • the spinning frame 3 generates and transmits spinning information (generation step, transmission step).
  • the receiver 41c of the automatic winder 4 receives the spinning information transmitted from the spinning frame 3 (step S01, reception step).
  • the spinning information received by the receiver 41c is forwarded to the control device 41.
  • the control device 41 then performs a target winding speed calculating process of calculating a target winding speed of the automatic winder 4, based on the processing status information included in the spinning information (step S02).
  • step S02 The target winding speed calculating process (step S02) is described in detail with reference to FIG. 6 .
  • the control device 41 calculates the present consumption rate of yarn supply bobbins 11, based on the number of empty bobbins 12 ejected per unit time (step S11).
  • the control device 41 then calculates the number of remaining yarn supply bobbins 11, based on the number of spinning units 32 and the number of yarn supply bobbins 11 supplied (or empty bobbins 12 ejected) (step S12).
  • control device 41 calculates the consumption rate necessary for consuming yarn supply bobbins 11 held in the spinning frame 3, based on the remaining time obtained from the processing status information transmitted from the spinning frame 3 and the number of remaining bobbins (step S13).
  • the control device 41 calculates the target winding speed, based on the present consumption rate and the necessary consumption rate (step S14).
  • the control device 41 determines whether it is necessary to change the winding speed (step S03). If it is determined that it is necessary to change the winding speed, the control device 41 performs a winding speed changing process (step S04). If it is not determined that it is necessary to change the winding speed, the control device 41 terminates the process.
  • step S04 The speed changing process (step S04) is described with reference to FIG. 7 .
  • the yarn monitoring device 45 acquires information related to quality of yarn 14 (step S21, acquisition step) .
  • the control device 41 calculates a margin, based on the quality index of yarn 14 based on the information related to quality of yarn 14 that is output from the yarn monitoring device 45 and the preset index threshold range related to quality of yarn 14 (step S22). Subsequently, the control device 41 determines whether it is possible to change the winding speed based on the margin (step S23) .
  • step S24 the control device 41 calculates the amount of change in winding speed based on the margin. Specifically, if the margin is high, the control device 41 sets the amount of change in winding speed to be large. If the margin is low, the control device 41 sets the amount of change in winding speed to be small. Upon calculating the amount of change in winding speed, the control device 41 changes the winding speed in accordance with the amount of change (step S25, control step). That is, the control device 41 controls the winding speed such that the quality index falls within the index threshold range.
  • controlling the winding speed such that the quality index falls within the index threshold range is particularly effective in reducing changes in yarn quality in the middle of forming a package 15.
  • the target winding speed is set (the winding speed is increased or decreased) based on the spinning information, changes in yarn quality can be reduced while energy saving, longevity of parts and devices, improvement in production efficiency, and the like are well balanced.
  • the control device 41 of the automatic winder 4 calculates a margin based on the quality index and the index threshold range and calculates the amount of change in winding speed based on the margin to control the winding speed in accordance with the amount of change in winding speed.
  • the winding speed can be controlled such that the quality index falls within the index threshold range.
  • control device 41 of the automatic winder 4 may increase the amount of change in winding speed as the margin is higher and may reduce the amount of change in winding speed as the margin is lower.
  • the degree of margin is high when the difference between the quality index and the index threshold is large, and the degree of margin is small when the difference between the quality index and the index threshold is small.
  • the amount of change in winding speed is therefore adjusted in accordance with the margin, whereby yarn can be wound at an appropriate winding speed in accordance with the quality index.
  • the yarn monitoring device 45 acquires a hairiness index of yarn 14, information about the thickness irregularity of yarn 14, the IPI value, the number of defects of yarn 14, the number of remaining defects, the number of cuts (the number of yarn breakages), and the like, as the information related to quality of yarn 14 (quality information), as an example.
  • information about winding tension with which yarn 14 is wound into a package 15 may be additionally used as the information related to quality of yarn 14.
  • the winding tension can be detected, for example, by a tension sensor (acquisition unit, different acquisition unit) provided on the yarn path between the tension applying device 44 and the winding device 43. In this way, more information related to yarn quality can be used to set the winding speed more suitable for the yarn quality.
  • At least one of the hairiness index, information about thickness irregularity, the IPI value, the number of yarn defects, the number of remaining defects, the number of cuts (the number of yarn breakages), and the winding tension may be used as the information related to yarn quality.
  • the control device 41 may control the winding speed, based on information about yarn quality and information other than yarn quality (for example, information about quality as a package). With this configuration, the winding speed suitable for not only yarn itself but also the quality as a package can be set. More specifically, when a take-up tube (tube serving as the core of a package) has a poor shape (not a perfect circle), the take-up tube may be broken if vibration is large. In addition, the traverse defect related to traverse of yarn 14 affects the shape of a package and/or the yarn unwindability.
  • the winding speed suitable for the quality of package therefore can be set by controlling the winding speed considering information of vibration and/or the number of traverse defects.
  • wear on parts (for example, bearing) of the cradle holding a package can be reduced.
  • parts (for example, bearing) of the cradle holding a package may be worn earlier, and this wear can be reduced.
  • the vibration of the winder unit 42 can be detected, for example, by an acceleration sensor (different acquisition unit) provided at an appropriate place in the winder unit 42 (for example, installed in a unit controller described later).
  • the traverse defect can be detected by a traverse sensor (different acquisition unit) provided in the winding device 43 (for example, provided in the vicinity of the winding drum 43b or the traverse arm). More specifically, the control device 41 may control the winding speed, based on information about yarn quality acquired by the yarn monitoring device 45 and information acquired by the acquisition unit different from the yarn monitoring device 45.
  • the information acquired by the different acquisition unit may be information about yarn quality or may be information other than yarn quality.
  • control device 41 has the display unit 41a and the operation unit 41b, as an example.
  • control device may have a touch panel display functioning as a display unit and an operation unit.
  • the display unit 21a and the operation unit 21b in the control device 21 of the roving frame 2 and the display unit 31a and the operation unit 31b in the control device 31 of the spinning frame 3 may also be touch panel displays.
  • the yarn monitoring device 45 monitors yarn 14 passing through the slit with an optical sensor, as an example.
  • the yarn monitoring device may monitor yarn 14 passing through the slit with a capacitive sensor.
  • a cutter is provided in the vicinity of the yarn monitoring device 45, as an example.
  • the yarn monitoring device may include a cutter.
  • the control device 41 sets a target winding speed and adjusts the winding speed such that the winding speed attains the target winding speed, as an example.
  • the control device 41 of the automatic winder 4 may return the winding speed to the one before the quality index falls outside the index threshold range.
  • the control device 41 may set the winding speed to a preset speed. In this configuration, the speed is set such that the quality index falls within the index threshold range, whereby the winding speed is kept such that the quality index does not fall outside the index threshold range.
  • changes in yarn quality in the middle of forming a package 15 can be reduced.
  • input of an upper limit value and a lower limit value of winding speed may be accepted in the operation unit 41b of the automatic winder 4.
  • the control device 41 of the automatic winder 4 may automatically set the lower limit value and the upper limit value, based on the winding speed.
  • the control device 41 adds and subtracts a predetermined value to/from the reference winding speed to set the upper limit value and the lower limit value.
  • the control device 41 sets the upper limit value to "1700 m/min” and the lower limit value to "1300 m/min", using "200 m/min” as a predetermined value.
  • the control device 41 of the automatic winder 4 controls the winding speed within a range of the upper limit value and the lower limit value. In this configuration, the winding speed is set within a range of the upper limit value and the lower limit value.
  • the target winding speed calculated at step S14 in the target winding speed calculating process exceeds the upper limit value (or falls below the lower limit value)
  • the target winding speed may be corrected to the upper limit value (or the lower limit value) (the upper limit value or the lower limit value may be reset as a target winding speed).
  • the winding speed of the automatic winder is appropriately controlled based on the processing status of forming a yarn supply bobbin in the spinning frame (for example, the supply timing of a yarn supply bobbin transferred from the spinning frame to the automatic winder) .
  • the winding speed may be a speed unintended by the operator. The operator then may feel something wrong.
  • the automatic winder winds yarn from a yarn supply bobbin to form a package.
  • the automatic winder includes a controller configured to control a winding speed at which the yarn is wound from the yarn supply bobbin and an input unit configured to accept input of an upper limit value and a lower limit value of the winding speed.
  • the controller controls the winding speed within a range of the upper limit value and the lower limit value.
  • An automatic winder winds yarn from a yarn supply bobbin to form a package.
  • the automatic winder includes a controller configured to control a winding speed at which the yarn is wound from the yarn supply bobbin and an input unit configured to accept input of a reference winding speed serving as a reference of the winding speed.
  • the controller sets an upper limit value and a lower limit value of the winding speed based on the reference winding speed input in the input unit and controls the winding speed within a range of the upper limit value and the lower limit value.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
EP17876272.0A 2016-12-02 2017-11-28 Enrouleur automatique, système d'enroulement de fil et procédé d'enroulement de fil Active EP3549893B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016235043A JP2018090379A (ja) 2016-12-02 2016-12-02 自動ワインダ、糸巻取システム及び糸巻取方法
PCT/JP2017/042543 WO2018101240A1 (fr) 2016-12-02 2017-11-28 Enrouleur automatique, système d'enroulement de fil et procédé d'enroulement de fil

Publications (3)

Publication Number Publication Date
EP3549893A1 true EP3549893A1 (fr) 2019-10-09
EP3549893A4 EP3549893A4 (fr) 2021-03-03
EP3549893B1 EP3549893B1 (fr) 2023-04-19

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EP17876272.0A Active EP3549893B1 (fr) 2016-12-02 2017-11-28 Enrouleur automatique, système d'enroulement de fil et procédé d'enroulement de fil

Country Status (4)

Country Link
EP (1) EP3549893B1 (fr)
JP (1) JP2018090379A (fr)
CN (1) CN110023218B (fr)
WO (1) WO2018101240A1 (fr)

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JP2013249190A (ja) * 2012-06-04 2013-12-12 Murata Machinery Ltd 糸巻取装置
US9845220B2 (en) * 2013-06-10 2017-12-19 Maschinenfabrik Rieter Ag Method and winding station for improving a winding process of a textile machine
JP2015000777A (ja) * 2013-06-13 2015-01-05 村田機械株式会社 糸巻取機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4170076A1 (fr) * 2021-10-22 2023-04-26 Maschinenfabrik Rieter AG Dispositif électronique permettant de régler des paramètres opérationnels d'une machine d'enroulement d'un moulin à filer à et son procédé de réglage
WO2023066544A1 (fr) * 2021-10-22 2023-04-27 Maschinenfabrik Rieter Ag Dispositif électronique pour régler des paramètres opérationnels d'une machine d'enroulement d'une filature et son procédé de réglage

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EP3549893B1 (fr) 2023-04-19
CN110023218A (zh) 2019-07-16
EP3549893A4 (fr) 2021-03-03
JP2018090379A (ja) 2018-06-14
WO2018101240A1 (fr) 2018-06-07
CN110023218B (zh) 2022-04-12

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