EP2805907B1 - Renvideur de fil - Google Patents

Renvideur de fil Download PDF

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Publication number
EP2805907B1
EP2805907B1 EP14162429.6A EP14162429A EP2805907B1 EP 2805907 B1 EP2805907 B1 EP 2805907B1 EP 14162429 A EP14162429 A EP 14162429A EP 2805907 B1 EP2805907 B1 EP 2805907B1
Authority
EP
European Patent Office
Prior art keywords
winding
yarn
package
units
bobbin
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.)
Not-in-force
Application number
EP14162429.6A
Other languages
German (de)
English (en)
Other versions
EP2805907A1 (fr
Inventor
Takeshi Shiota
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
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Publication of EP2805907A1 publication Critical patent/EP2805907A1/fr
Application granted granted Critical
Publication of EP2805907B1 publication Critical patent/EP2805907B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • 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
    • B65H54/22—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores
    • B65H54/26—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores having one or more servicing units moving along a plurality of fixed winding units
    • 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
    • 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
    • B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
    • 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 adapted to wind a package in each of a plurality of winding units.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 8-109527
  • Patent Document 2 Japanese Unexamined Patent Publication No. 63-92577
  • Patent Document 3 Japanese Unexamined Patent Publication No. 2011-162351
  • Patent Document 1 discloses a control to efficiently move the doffing device (doffing cart).
  • a timing at which a package becomes fully wound in each winding unit (spinning machine) is predicted, and in accordance with predicted information, for example, the doffing device travels to the winding unit in which the package is immediately before a fully-wound state.
  • a time during which each winding unit waits for the doffing device can be reduced, and a winding efficiency of the yarn winding machine can be improved.
  • Patent Document 2 discloses a yarn winding machine adapted to prevent a large number of packages which are partially wound (partially-wound packages) from remaining upon change of lots.
  • a yarn quantity for one lot and a necessary remaining yarn quantity are obtained, and only a number of the winding units comparable to the remaining yarn quantity is operated.
  • Patent Document 2 describes that a time required for obtaining one fully-wound package differs depending on the number of times of yarn breakages and other troubles.
  • Patent Document 3 discloses a control to prevent supplying of a new bobbin to the winding unit after receiving a lot-change signal.
  • Patent Document 2 a winding efficiency is known to differ among the winding units.
  • Patent Document 1 merely discloses the control for the travelling of the doffing cart, and does not mention about a control that takes into consideration the winding efficiency of the winding unit.
  • Patent Documents 2 and 3 also do not disclose a control for selecting the winding unit to perform the winding operation in accordance with the winding efficiency.
  • the conventional yarn winding machine still requires improvement in the winding efficiency of the entire yarn winding machine.
  • a yarn winding machine includes a plurality of winding units and a control section.
  • Each of the winding units is adapted to wind a package.
  • the control section is adapted to control the plurality of the winding units.
  • the control section is adapted to perform a control to calculate a winding-end expected time of the package in each of the winding units.
  • the control section is also adapted to perform a control to store a produced quantity indicating a quantity of the package of which winding has been completed, and when a difference between the produced quantity and an expected production quantity is equal to or less than a predetermined value, to determine whether or not to supply a new bobbin to the winding operation to the plurality of the winding units to discharge the package of which the winding has been completed, and to perform a bobbin setting operation to the plurality of the winding units to supply the bobbin.
  • the efficiency of the entire yarn winding machine can be improved.
  • a priority order of the plurality of the winding units is preferably set in accordance with the winding-end expected time of each of the winding units, and the doffing device is preferably controlled to supply the bobbin to the winding units according to the priority order.
  • the bobbin can be supplied in order to the winding units with early winding-end expected time, and the efficiency of the entire yarn winding machine can be further improved.
  • the control section when a remaining package quantity becomes equal to or less than the number of the winding units performing the winding, the control section preferably prohibits the doffing device from supplying the bobbin after discharging the package of which winding has been completed from each of the winding units.
  • the winding can be automatically interrupted.
  • control section preferably calculates a winding efficiency of each of the winding units within a predetermined period of time, and prevents the winding unit of which the winding efficiency is a predetermined efficiency or lower from performing the winding of the package.
  • the yarn winding machine described above further preferably includes an input section adapted to input the expected operation to the plurality of the winding units to discharge the package of which the winding has been completed, and to perform a bobbin setting operation to the plurality of the winding units to supply the bobbin.
  • the efficiency of the entire yarn winding machine can be improved.
  • a priority order of the plurality of the winding units is preferably set in accordance with the winding-end expected time of each of the winding units, and the doffing device is preferably controlled to supply the bobbin to the winding units according to the priority order.
  • the bobbin can be supplied in order to the winding units with early winding-end expected time, and the efficiency of the entire yarn winding machine can be further improved.
  • the control section when a number of the winding units performing the winding becomes the predetermined number or less, the control section preferably prohibits the doffing device from supplying the bobbin after discharging the package of which winding has been completed from each of the winding units.
  • the winding can be automatically interrupted.
  • control section preferably calculates a winding efficiency of each of the winding units within a predetermined period of time, and prevents the winding unit of which the winding efficiency is a predetermined efficiency or lower from performing the winding of the package.
  • the yarn winding machine described above further preferably includes an input section adapted to input the expected production quantity.
  • a yarn winding machine includes a plurality of winding units and a control section.
  • Each of the winding units is adapted to wind a package.
  • the control section is adapted to control the plurality of the winding units.
  • the control section is adapted to store a produced quantity indicating a quantity of the package of which winding has been completed, and when a difference between the produced quantity and an expected production quantity becomes equal to or less than a predetermined value, to prevent the winding unit of which has been determined to have a low winding efficiency from winding the new package.
  • the package By prohibiting the winding of the package in the winding unit of which the winding efficiency is low, the package can be preferentially wound in the winding unit of which the winding efficiency is high, and the winding efficiency of the entire yarn winding machine can be improved.
  • a yarn winding machine includes a plurality of winding units, a doffing device, and a control section.
  • Each of the winding units is adapted to wind a package.
  • the doffing device is adapted to perform a doffing operation to the plurality of the winding units to discharge the package of which the winding has been completed, and to perform a bobbin setting operation to the plurality of the winding units to supply the bobbin around which a yarn is to be wound.
  • the control section is adapted to control the plurality of the winding units and the doffing device.
  • control section is adapted to control the doffing device to supply the bobbin to a different one of the winding units in order to wind a remaining package that is to satisfy an expected production quantity.
  • the package can be preferentially wound in a desired winding unit, and the winding efficiency of the entire yarn winding machine can be improved.
  • each of the winding units includes a draft device, a spinning device, and a winding device.
  • the draft device is adapted to draft a fiber bundle.
  • the spinning device is adapted to spin the fiber bundle, drafted by the draft device, by a whirling airflow to produce a spun yarn.
  • the winding device is adapted to wind the spun yarn produced by the spinning device into a package.
  • an air jet spinning machine can perform spinning at a high-speed, the winding efficiency of the entire yarn winding machine can be further improved.
  • Upstream and downstream respectively refer to upstream and downstream in a travelling direction of a yarn during spinning.
  • a fine spinning machine 1 as a yarn winding machine illustrated in FIG. 1 includes a plurality of winding units 2 arranged in line, a yarn joining cart 3, a doffing cart (doffing device) 4, a blower box 93, and a motor box 5.
  • the motor box 5 includes a machine control device (control section) 30.
  • the machine control device 30 controls a plurality of the winding units 2.
  • the machine control device 30 includes a color liquid crystal monitor 31 and an input section 32. When an operator performs an appropriate operation, the color liquid crystal monitor 31 displays information related to an operation status and/or a yarn quality of each of the winding units 2.
  • the input section 32 includes a plurality of input keys. The input section 32 is used such that the operator can select information to be displayed on the color liquid crystal monitor 31.
  • the input section 32 accepts transmission of an appropriate instruction to each of the winding units 2, setting of various types of conditions, and the like.
  • each winding unit 2 includes a draft device 7, a spinning device 9, a yarn accumulating device 12, and a winding device 13 in this order from upstream to downstream.
  • the draft device 7 is arranged in proximity to an upper end of a frame 6 of the fine spinning machine 1.
  • a fiber bundle 8 fed from the draft device 7 is spun by the spinning device 9.
  • a spun yarn 10 fed from the spinning device 9 passes through a yarn clearer 49, to be described later, and further passes through the yarn accumulating device 12.
  • the spun yarn 10 is wound around a bobbin 48 by the winding device 13, and a package 45 is formed.
  • the draft device 7 drafts a sliver 15 to obtain the fiber bundle 8.
  • the draft device 7 includes four roller pairs, i.e., a back roller pair 16, a third roller pair 17, a middle roller pair 19 provided with apron belts 18, and a front roller pair 20.
  • the spinning device 9 of the present embodiment uses a whirling airflow to apply twists to the fiber bundle 8 to produce the spun yarn 10.
  • the yarn accumulating device 12 is arranged downstream of the spinning device 9.
  • the yarn accumulating device 12 has a function of applying a predetermined tension on the spun yarn 10 to pull out the spun yarn 10 from the spinning device 9, a function of accumulating the spun yarn 10 fed from the spinning device 9 during a yarn joining operation by the yarn joining cart 3 to prevent slackening of the spun yarn 10, and a function of adjusting the yarn tension such that a fluctuation of the yarn tension at the downstream of the yarn accumulating device 12 is not transmitted towards the spinning device 9.
  • the yarn accumulating device 12 includes a yarn accumulating roller 21, a yarn engagement member 22, an upstream guide 23, and an electric motor 25.
  • the yarn engagement member 22 can be engaged with the spun yarn 10, and integrally rotates with the yarn accumulating roller 21 while being engaged with the spun yarn 10 to guide the spun yarn 10 to an outer peripheral surface of the yarn accumulating roller 21.
  • the yarn accumulating roller 21 winds the spun yarn 10 around the outer peripheral surface thereof to accumulate the spun yarn 10.
  • the yarn accumulating roller 21 is rotatably driven at a constant rotation speed by the electric motor 25.
  • the yarn engagement member 22 is supported in a relatively rotatable manner with respect to the yarn accumulating roller 21.
  • a torque (resistance torque) against a relative rotation with respect to the yarn accumulating roller 21 is applied to the yarn engagement member 22 by a torque generating means including a magnetic means, for example.
  • the upstream guide 23 is arranged slightly upstream of the yarn accumulating roller 21.
  • the upstream guide 23 appropriately guides the spun yarn 10 with respect to the outer peripheral surface of the yarn accumulating roller 21.
  • the upstream guide 23 prevents the twist of the spun yarn 10 propagating from the spinning device 9 from being transmitted downstream of the upstream guide 23.
  • the yarn clearer 49 is arranged on a front side of the frame 6 of the fine spinning machine 1 at a position between the spinning device 9 and the yarn accumulating device 12.
  • the spun yarn 10 from the spinning device 9 passes through the yarn clearer 49 before being wound by the yarn accumulating device 12.
  • the yarn clearer 49 monitors a thickness of the travelling spun yarn 10. When a yarn defect of the spun yarn 10 is detected, the yarn clearer 49 transmits a yarn defect detection signal to a unit controller (not illustrated). In addition to thickness abnormality of the spun yarn 10, the yarn clearer 49 may detect presence or absence of foreign substances contained in the spun yarn 10.
  • the unit controller When receiving the yarn defect detection signal from the yarn clearer 49, the unit controller stops the spinning by the spinning device 9 to cut the spun yarn 10, and also stops the draft device 7 and the like.
  • the unit controller also transmits a control signal to the yarn joining cart 3, and the yarn joining cart 3 travels to front of the relevant winding unit 2. Thereafter, the unit controller drives the spinning device 9 and the like again, the yarn joining cart 3 performs a yarn joining operation, and winding is resumed.
  • the yarn joining cart 3 includes a splicer (yarn joining device) 43, a suction pipe 44, a suction mouth 46, and travel wheels 42.
  • a splicer yarn joining device
  • suction pipe 44 suction pipe
  • suction mouth 46 suction mouth
  • travel wheels 42 travel wheels
  • the travelling rail 41 is fixed to the frame 6.
  • the yarn joining cart 3 stops in front of the winding unit 2 in which the yarn breakage or the yarn cut occurred, and performs the yarn joining operation.
  • the suction pipe 44 can swing vertically with an axis as a center.
  • the suction pipe 44 sucks and catches a yarn end (upper yarn) from the spinning device 9, and guides the yarn end to the splicer 43.
  • the suction mouth 46 can swing vertically with an axis as a center.
  • the suction mouth 46 sucks and catches a yarn end (lower yarn) from the package 45 supported by the winding device 13, and guides the yarn end to the splicer 43.
  • the winding device 13 includes a cradle 70.
  • the cradle 70 includes a supporting shaft 73, a cradle arm 71, and bobbin holders.
  • the cradle arm 71 can swing with the supporting shaft 73 as the center.
  • the bobbin holders can hold both ends of the bobbin 48.
  • the winding device 13 includes a winding drum 74, and a traverse guide 76 capable of being engaged with the spun yarn 10.
  • the winding drum 74 is driven while making contact with an outer peripheral surface of the bobbin 48 or an outer peripheral surface of the package 45.
  • the winding device 13 drives the winding drum 74 with an electric motor (not illustrated) to rotate the package 45 making contact with the winding drum 74 while reciprocating the traverse guide 76 with a driving means (not illustrated), and the spun yarn 10 is wound while being traversed.
  • the doffing cart 4 includes a bobbin setting device 60.
  • the bobbin setting device 60 performs a bobbin setting operation of supplying the bobbin 48 to the cradle 70 to prepare for the winding of the spun yarn 10, and a doffing operation of detaching the fully-wound package (the package of which the winding has been completed) 45 from the cradle 70.
  • Travel wheels 92 are provided in a lower portion of the doffing cart 4.
  • the doffing cart 4 travels along a travelling path 91 to the relevant winding unit 2.
  • the travelling path 91 is formed on the frame 6.
  • the doffing cart 4 stops in front of the instructed winding unit 2 and performs the bobbin setting operation or the doffing operation (or the both operations).
  • the bobbin setting device 60 includes a bobbin supply section 50 and a suction pipe 88 for performing the bobbin setting operation.
  • the suction pipe 88 is capable of swinging, and extending and contracting.
  • the suction pipe 88 sucks and catches the spun yarn 10 from the spinning device 9, and guides the caught spun yarn 10 to the winding device 13.
  • the bobbin supply section 50 can swing with a swing shaft 111 as a center, and can grip the bobbin 48 with a bobbin gripping section 52.
  • the doffing cart 4 swings the bobbin supply section 50 with the gripped bobbin 48, and supplies the bobbin 48 to the cradle 70.
  • the bobbin setting device 60 includes a transporting section 61 illustrated in FIG. 2 for performing the doffing operation.
  • the transporting section 61 guides the fully-wound package 45 discharged from the cradle 70 to a receiving section 82 via an inclined section 81.
  • the transporting section 61 includes a guiding plate 69 and a bobbin guiding cylinder 62.
  • the guiding plate 69 guides the package 45 while making contact with the outer peripheral surface of the fully-wound package 45 received from the cradle 70.
  • the bobbin guiding cylinder 62 can vertically swing the guiding plate 69 by extending and contracting the cylinder.
  • the transporting section 61 can adjust a position of the guiding plate 69 when guiding the package 45, and stop rotation of the package 45 that continues to rotate due to inertia even after the winding of the package 45 has been completed.
  • a continuous production mode and an expected production quantity mode can be set.
  • the continuous production mode is a mode in which the packages 45 are continuously produced until a predetermined instruction is given.
  • the expected production quantity mode is a mode in which the packages 45 of a quantity specified in advance are produced. In the expected production quantity mode, the mode shifts to a normal mode, a unit selection mode, and a lot-change mode according to a progress status of the winding.
  • expressions such as a quantity of the package 45, a total quantity, an expected production quantity, and the like are concepts including the number, a weight, a total length, and the like of the package 45.
  • the operator operates the input section 32 to input or change the expected production quantity in the expected production quantity mode.
  • the normal mode is set first.
  • the machine control device 30 controls each of the winding units 2 to perform the winding operation of the package 45 (step S101).
  • the machine control device 30 controls the doffing cart 4 to discharge the relevant package 45 from the winding unit 2 (step S102). Thereafter, the machine control device 30 updates and stores the produced quantity (step S103).
  • the produced quantity is the total amount of packages 45 produced after the start of the present lot.
  • the machine control device 30 calculates the winding efficiency of the winding unit 2 (step S104).
  • the winding efficiency is the quantity of the packages 45 that can be produced per unit time, for example.
  • the winding efficiency is calculated in accordance with the quantity of the packages 45 produced in each of the winding units 2 in the predetermined period of time.
  • the winding efficiency is calculated in a period of time excluding the time in which the winding is stopped.
  • a specific example of the time in which the winding is stopped includes a time during maintenance, and a time during standby in the unit selection mode and the lot-change mode.
  • the machine control device 30 calculates the winding efficiency and also calculates the winding-end expected time (step S104).
  • the winding-end expected time is an expected time at which the winding unit 2 completes the winding of the package 45.
  • the machine control device 30 calculates a first winding-end expected time and a second winding-end expected time.
  • the first winding-end expected time is a time of completion of winding of the package 45 currently being wound.
  • the second winding-end expected time is a time of completion of winding of the package 45 when an additional bobbin 48 is supplied.
  • the progress status of the winding of the package 45 that is currently being wound the quantity of the fully-wound packages 45, and the calculated winding efficiency are used.
  • the quantity of the fully-wound packages 45 and the winding efficiency are used.
  • FIG. 4A illustrates an example in which the winding-end expected time is calculated for the winding units 2 with unit Nos. 1 to 6.
  • the arrow extending horizontally from the unit No. indicates time.
  • a time denoted with reference numeral T1 or T2 below "fully-wound" written above the arrow indicates the winding-end expected time.
  • the time denoted with the reference numeral T1 is the first winding-end expected time
  • the time denoted with the reference numeral T2 is the second winding-end expected time.
  • the illustrated state is a state after the discharge of the package 45 and before the supply of the bobbin 48, only the second winding-end expected time is illustrated.
  • the machine control device 30 calculates the winding efficiency and the winding-end expected time in the above manner.
  • the winding efficiency and the winding-end expected time of only the relevant winding unit 2 may be updated, or the winding efficiency and the winding-end expected time of all the winding units 2 may be updated.
  • the machine control device 30 immediately stops the winding of the package 45, and instructs the operator to perform maintenance.
  • the instruction for maintenance may not be made immediately and may be made after the package 45 currently being wound is fully wound.
  • the machine control device 30 determines whether or not a difference between the produced quantity and the expected production quantity (hereinafter referred to as a remaining package quantity) is equal to or less than a predetermined value (step S105) . If the remaining package quantity is greater than the predetermined value, the machine control device 30 supplies a new bobbin 48 to the winding unit 2 from which the package 45 has been discharged, and again returns to the process of step S101 to continue the winding of the package 45.
  • the unit selection mode is a mode in which the winding efficiency of the entire fine spinning machine 1 is improved by selecting the winding unit 2 to perform the winding (determining whether or not to supply a new bobbin 48) in accordance with the winding efficiency and the winding-end expected time.
  • any value can be specified for the "predetermined value” in the determination of step S105.
  • variation in the winding efficiency of the winding unit 2 is large, the winding efficiency of the entire fine spinning machine 1 can be improved if the mode is shifted to the unit selection mode at an early stage, and thus the "predetermined value" may be set according to the variation in the winding efficiency.
  • the machine control device 30 selects the winding unit 2 to which a new bobbin 48 is to be supplied (step S106). This selection is carried out in accordance with the remaining package quantity and the winding-end expected time of each of the winding units 2.
  • the machine control device 30 of the present embodiment selects the winding unit 2 to which a new bobbin 48 is to be supplied in accordance with the first winding-end expected time and the second winding-end expected time. Specifically, if the remaining package quantity is nine in the example of FIG. 4A , since the winding of five packages 45 has already started, another four packages 45 is required to be produced. Thus, the machine control device 30 selects four winding units 2 in the order the second winding-end expected time is reached earlier. Accordingly, the winding units 2 with the unit Nos. 1, 3, 4, and 6 are selected. In this manner, the winding unit 2 to be supplied with a new bobbin 48 can be determined.
  • the machine control device 30 controls such that a new bobbin 48 is supplied to the winding unit 2 selected in step S106 to continue the production of the package 45 (step S107). Meanwhile, the machine control device 30 determines whether or not the remaining package quantity is equal to or less than the number of winding units 2 performing winding (step S108).
  • the machine control device 30 shifts to the lot-change mode, and stops the supply of a new bobbin 48 (step S109).
  • the machine control device 30 controls such that the winding is performed in the winding unit 2, to which the bobbin 48 has already been supplied, to produce the packages 45 (step S110).
  • the packages 45 of the expected production quantity are thereby produced.
  • the present embodiment differs from the prior art in predicting the timing at which the winding is completed and determining whether or not to supply the bobbin 48 in accordance with the prediction. Therefore, in the present embodiment, as illustrated in Fig. 4A , the control which has not been possible in the prior art is carried out, e.g., a new bobbin 48 is supplied to the winding units 2 with the unit Nos. 1, 3, and 4 after the winding units 2 with the unit Nos. 2 and 5 complete the winding and start to be under standby.
  • the fine spinning machine 1 of the present embodiment includes a plurality of the winding units 2 and the machine control device 30.
  • Each of the plurality of the winding units 2 is adapted to wind the package 45.
  • the machine control device 30 controls the plurality of the winding units 2.
  • the machine control device 30 performs a control to calculate a winding-end expected time of the package 45 in each of the winding units 2.
  • the machine control device 30 stores the produced quantity indicating the quantity of the packages 45 of which the winding has been completed. When a difference between the produced quantity and the expected production quantity becomes equal to or less than a predetermined value, the machine control device 30 determines whether or not to supply a new bobbin 48 to the winding units 2 in accordance with the winding-end expected time.
  • the machine control device 30 calculates the first winding-end expected time and the second winding-end expected time.
  • the first winding-end expected time is an expected time of completion of winding of the package 45 currently being wound in each of the winding units 2.
  • the second winding-end expected time is an expected time of completion of winding of an additional package 45 if each of the winding units 2 winds the additional package 45.
  • the machine control device 30 calculates the winding-end expected time in accordance with the winding efficiency of each of the winding units 2 within a predetermined period of time.
  • the timing to shift to the unit selection mode is arbitrary. If shifted to the unit selection mode at an early stage, a third winding-end expected time may be obtained as illustrated in FIG. 5 .
  • the winding unit 2 (unit No. 4) to which the new bobbin 48 is not supplied, the winding units 2 (unit Nos. 2, 3, 5) to which a new bobbin 48 is supplied only once, and the winding units 2 (unit Nos. 1, 6) to which a new bobbin 48 is supplied only twice may be generated.
  • the doffing cart 4 is not essential and may be omitted.
  • the example has been described in which the calculation of the winding efficiency and the winding-end expected time is performed in advance in the normal mode, but such calculation may be carried out after the shift to the unit selection mode.
  • the winding efficiency and the winding-end expected time may be calculated and updated each time the package 45 becomes fully wound in a certain winding unit 2.
  • the winding unit 2 under standby may be newly operated.
  • the winding unit 2 that performs the winding in the unit selection mode may be changed according an input to the input section 32 made by the operator.
  • An application range of the present invention is not limited to the fine spinning machine, and may be applied to other yarn winding machines (automatic winder, open end fine spinning machine, and the like) as long as such yarn winding machines have a configuration of discharging and supplying the bobbin.

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Claims (12)

  1. Renvideur de fil (1) comprenant:
    une pluralité d'unités d'enroulement (2) adaptées, chacune, pour enrouler un paquet (45); et
    un segment de commande (30) adapté pour commander la pluralité d'unités d'enroulement (2), le segment de commande (30) étant adapté pour calculer un moment prévu de fin d'enroulement du paquet (45) dans chacune des unités d'enroulement (2), pour entreposer une quantité produite indiquant une quantité des paquets (45) dont l'enroulement est terminé et, lorsqu'une différence entre la quantité produite et une quantité de production prévue est égale ou inférieure à une valeur prédéterminée, pour déterminer s'il y a lieu ou non d'alimenter une nouvelle bobine (48) vers les unités d'enroulement (2) selon le moment prévu de fin d'enroulement.
  2. Renvideur de fil (1) selon la revendication 1, dans lequel comme moment prévu de fin d'enroulement, le segment de commande (30) est adapté pour calculer un premier moment prévu de fin d'enroulement qui est un moment prévu de fin d'enroulement du paquet (45) actuellement enroulé dans chacune des unités d'enroulement (2), et un deuxième moment prévu de fin d'enroulement qui est un moment prévu de fin d'enroulement d'un paquet additionnel (45) si chacune des unités d'enroulement (2) enroule le paquet additionnel (45).
  3. Renvideur de fil (1) selon la revendication 1 ou la revendication 2, dans lequel le segment de commande (30) est adapté pour calculer le moment prévu de fin d'enroulement selon une efficacité d'enroulement de chacune des unités d'enroulement (2) dans un laps de temps prédéterminé.
  4. Renvideur de fil (1) selon l'une quelconque de la revendication 1 à la revendication 3, dans lequel, lorsque chacune des unités d'enroulement (2) termine l'enroulement du paquet (45), le segment de commande (30) est adapté pour calculer le moment prévu de fin d'enroulement d'au moins une telle unité d'enroulement (2).
  5. Renvideur de fil (1) selon l'une quelconque de la revendication 1 à la revendication 4, comprenant par ailleurs un dispositif d'enlèvement (4) adapté pour effectuer une opération d'enlèvement sur la pluralité d'unités d'enroulement (2) pour évacuer le paquet (45) dont l'enroulement est terminé, et pour effectuer une opération de placement de bobine sur la pluralité d'unités (2) pour alimenter la bobine (48).
  6. Renvideur de fil (1) selon la revendication 5, dans lequel le segment de commande (30) est adapté pour établir un ordre de priorité de la pluralité d'unités d'enroulement (2) selon le moment prévu de fin d'enroulement de chacun des unités d'enroulement (2), et pour commander le dispositif d'enlèvement (4) pour alimenter la bobine (48) vers les unités d'enroulement (2) selon l'ordre de priorité.
  7. Renvideur de fil (1) selon la revendication 5 ou la revendication 6, dans lequel, lorsqu'une quantité de paquets restante devient égale ou inférieure au nombre d'unités d'enroulement (2) effectuant l'enroulement, le segment de commande (30) est adapté pour interdire que le dispositif d'enlèvement (4) n'alimente la bobine (48) après l'évacuation du paquet (45) dont l'enroulement est terminé de chacune des unités d'enroulement (2).
  8. Renvideur de fil (1) selon l'une quelconque de la revendication 1 à la revendication 7, dans lequel le segment de commande (30) est adapté pour calculer une efficacité d'enroulement de chacune des unités d'enroulement (2) dans un laps de temps prédéterminé, et pour empêcher que l'unité d'enroulement (2) dont l'efficacité d'enroulement est une efficacité prédéterminée ou inférieure n'effectue l'enroulement.
  9. Renvideur de fil (1) selon l'une quelconque de la revendication 1 à la revendication 8, comprenant par ailleurs un segment d'entrée (32) adapté pour entrer la quantité de production prévue.
  10. Renvideur de fil (1) selon l'une quelconque de la revendication 1 à la revendication 9, dans lequel:
    le segment de commande (30) est adapté pour empêcher que l'unité d'enroulement (2) dont il a été déterminé que l'enroulement présente une faible efficacité d'enroulement n'enroule le nouveau paquet (45) lorsqu'une différence entre la quantité produite et la quantité de production prévue devient égale ou inférieure à une valeur prédéterminée.
  11. Renvideur de fil (1) selon l'une quelconque de la revendication 1 à la revendication 9, comprenant:
    un dispositif d'enlèvement (4) adapté pour effectuer une opération d'enlèvement sur la pluralité d'unités d'enroulement (2) pour évacuer le paquet (45) dont l'enroulement est terminé, et pour effectuer une opération de placement de bobine sur la pluralité d'unités d'enroulement (2) pour alimenter la bobine (48) autour de laquelle doit être enroulé un fil (10);
    dans lequel, dans un état dans lequel au moins l'une de la pluralité d'unités d'enroulement (2) a terminé l'enroulement du paquet (45) et se trouve en attente, le segment de commande (3) est adapté pour commander le dispositif d'enlèvement (4) pour alimenter la bobine (48) vers l'une différente des unités d'enroulement (2) pour enrouler un paquet restant (45) qui doit satisfaire une quantité de production prévue.
  12. Renvideur de fil (1) selon l'une quelconque de la revendication 1 à la revendication 11, dans lequel chacune des unités d'enroulement (2) comprend:
    un dispositif de traction (7) à même de tirer un faisceau de fibres (15);
    un dispositif de filage (9) adapté pour faire tourner le faisceau de fibres (15) tiré par le dispositif de traction. (7), par un flux d'air tourbillonnant pour produire un fil filé (10); et
    un dispositif d'enroulement (13) adapté pour enrouler le fil filé (10) produit par le dispositif de filage (9) pour obtenir un paquet (45).
EP14162429.6A 2013-05-21 2014-03-28 Renvideur de fil Not-in-force EP2805907B1 (fr)

Applications Claiming Priority (1)

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JP2013107188A JP2014227249A (ja) 2013-05-21 2013-05-21 糸巻取機

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EP2805907A1 EP2805907A1 (fr) 2014-11-26
EP2805907B1 true EP2805907B1 (fr) 2016-05-18

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DE102016107994A1 (de) * 2016-04-29 2017-11-02 Rieter Ingolstadt Gmbh Textilmaschine sowie Verfahren zum Betreiben derselben
JP2018090375A (ja) * 2016-12-02 2018-06-14 村田機械株式会社 自動ワインダ、及び自動ワインダの巻取速度制御方法
JP2019119538A (ja) * 2017-12-28 2019-07-22 村田機械株式会社 糸巻取機
JP2020083509A (ja) * 2018-11-19 2020-06-04 村田機械株式会社 生産量シミュレーション装置
CN111924660B (zh) * 2020-07-08 2022-04-19 北自所（北京）科技发展有限公司 基于孪生模型的化纤长丝落卷方法、系统及自动落卷设备

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Publication number Priority date Publication date Assignee Title
JPH0749353B2 (ja) 1986-10-06 1995-05-31 村田機械株式会社 自動ワインダ−における糸の巻取方法
JPS63225076A (ja) * 1987-03-12 1988-09-20 Murata Mach Ltd 自動ワインダ−におけるロツトチエンジ方法
DE4216097A1 (de) * 1992-05-15 1993-11-18 Schlafhorst & Co W Verfahren und Vorrichtung zum Herstellen einer vorgebbaren Anzahl voller Kreuzspulen auf einem Kreuzspulen herstellenden Automaten
JPH08109527A (ja) 1994-10-04 1996-04-30 Nisshinbo Ind Inc 精紡工程における自動玉揚機の走行制御方法
DE19648215A1 (de) * 1996-11-21 1998-06-18 Schlafhorst & Co W Verfahren zur Optimierung eines Partiewechsels an einer Offenend-Spinnmaschine
JP2011144028A (ja) * 2010-01-15 2011-07-28 Murata Machinery Ltd 糸巻取機及び糸案内方法
JP2011162351A (ja) 2010-01-15 2011-08-25 Murata Machinery Ltd 玉揚げ装置
CN202687633U (zh) * 2012-07-03 2013-01-23 惠阳中核辉新化纤有限公司 一种卷纱机的控制装置

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CN104176558A (zh) 2014-12-03
CN104176558B (zh) 2018-02-06
EP2805907A1 (fr) 2014-11-26

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