EP4144678B1 - Machine de bobinage de fil - Google Patents

Machine de bobinage de fil Download PDF

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Publication number
EP4144678B1
EP4144678B1 EP22203232.8A EP22203232A EP4144678B1 EP 4144678 B1 EP4144678 B1 EP 4144678B1 EP 22203232 A EP22203232 A EP 22203232A EP 4144678 B1 EP4144678 B1 EP 4144678B1
Authority
EP
European Patent Office
Prior art keywords
yarn
ground wire
frame
take
yarn threading
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
EP22203232.8A
Other languages
German (de)
English (en)
Other versions
EP4144678A1 (fr
Inventor
Shogo KOJIMA
Tosei Yonekura
Ken Maeda
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.)
TMT Machinery Inc
Original Assignee
TMT Machinery Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TMT Machinery Inc filed Critical TMT Machinery Inc
Publication of EP4144678A1 publication Critical patent/EP4144678A1/fr
Application granted granted Critical
Publication of EP4144678B1 publication Critical patent/EP4144678B1/fr
Active legal-status Critical Current
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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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D7/00—Collecting the newly-spun products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/003—Arrangements for threading or unthreading the guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/16—Guides for filamentary materials; Supports therefor formed to maintain a plurality of filaments in spaced relation
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/04—Supporting filaments or the like during their treatment
    • D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00—Carrying-off electrostatic charges
    • H05F3/02—Carrying-off electrostatic charges by means of earthing connections
    • 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 spun yarn take-up machine and a yarn threading assisting tool for the spun yarn take-up machine.
  • a spun yarn take-up machine for taking up synthetic fiber yarns spun out from a spinning apparatus and for packaging them by winding onto bobbins with a yarn winder, including yarn threading portions where the yarns are threaded.
  • Japanese Laid-Open Patent Publication No. 2015-165060 discloses a spun yarn take-up machine in which a take-up roller takes up plural yarns spun out from a spinning apparatus, and then, a yarn feed roller takes up and sends the yarns from the take-up roller to a yarn winder.
  • the yarn winder includes plural distribution guides (yarn threading portions) to which the respective yarns sent from the yarn feed roller are threaded and winds the yarns onto bobbins while traversing the yarns with distribution guides functioning as fulcrums.
  • yarn threading to the distribution guides is performed by using a yarn threading assisting tool having grooves in which the respective yarns are retained.
  • An operator performs the yarn threading to each distribution guide while holding the yarn threading assisting tool retaining the yarns by hand.
  • Another example of the prior art can be found in document DE 10 2011 016786 A1 .
  • An object of the present invention is to provide a spun yarn take-up machine and a yarn threading assisting tool for the spun yarn take-up machine, which prevent an operator from receiving an electric shock when performing yarn threading.
  • a spun yarn take-up machine in accordance with claim 1 includes a plurality of yarn threading portions to which yarns spun out from a spinning apparatus are threaded, the yarns being threaded to the yarn threading portions by using a yarn threading assisting tool capable of retaining the yarns, the spun yarn take-up machine comprising: a conductive frame; a ground wire; a first attaching portion by which the ground wire is conductively attached to the frame; and a second attaching portion by which the ground wire is conductively attached to the yarn threading assisting tool.
  • the present invention it is possible to conductively attach the ground wire to the conductive frame and to conductively attach the ground wire to the yarn threading assisting tool.
  • the spun yarn take-up machine of the first aspect is arranged such that an attaching position of the ground wire to the frame by the first attaching portion is above the yarn threading portions.
  • the ground wire When the attaching position of the ground wire to the frame is low, the ground wire obstructs the yarn threading by the operator and deteriorates the workability.
  • the attaching position of the ground wire to the frame is above the yarn threading portions, the deterioration of the workability on account of the ground wire is restrained.
  • the spun yarn take-up machine of the second aspect further includes a take-up unit which is provided below the spinning apparatus and includes one or more rollers for taking up the yarns spun out from the spinning apparatus, an attaching position of the ground wire to the frame by the first attaching portion being above the take-up unit.
  • the ground wire is less likely to interfere with the rollers of the take-up unit. It is therefore possible to restrain the ground wire from being caught by a roller.
  • the spun yarn take-up machine of the third aspect further includes a yarn winding apparatus which is provided below the take-up unit to wind the yarns supplied from the take-up unit onto respective bobbins the yarn threading portions being provided below the take-up unit and the yarns supplied from the take-up unit to the yarn winding apparatus being threaded to the yarn threading portions.
  • the present invention electric charge is accumulated in the yarns on account of friction between one or more roller of the take-up member and the yarns. On this account, the amount of the electric charge of the yarn threading assisting tool is large when the yarns sent from the take-up unit to the yarn winding apparatus are threaded to the yarn threading portions.
  • the present invention is therefore effectively applied to discharge the static electricity accumulated in the yarn threading assisting tool to the frame via the ground wire.
  • the frame is ferromagnetic and the first attaching portion is a conductive magnet fixed to the ground wire.
  • the spun yarn take-up machine is arranged so that the second attaching portion detachably attaches the ground wire to the yarn threading assisting tool.
  • one yarn threading assisting tool can be used for plural spun yarn take-up machines.
  • the spun yarn take-up machine of any one of the first to fifth aspects is arranged so that the second attaching portion is a hook member which is fixed to the ground wire and is able to be hooked into a hole formed in the yarn threading assisting tool.
  • the spun yarn take-up machine of any one of the first to fifth aspects is arranged so that the second attaching portion is a ring-shaped member which is fixed to the ground wire, is able to be engaged with a hole formed in the yarn threading assisting tool, and is openable and closable.
  • the spun yarn take-up machine of the sixth or seventh aspect is arranged so that
  • the second attaching portion (hook member or ring-shaped member) fixed to the ground wire can be engaged with not the hole of the yarn threading assisting tool but the engaging portion of the engaging member of the frame.
  • One end portion of the ground wire is attached to the frame by the first attaching portion and the second attaching portion is fixed to the other end portion of the ground wire. With this arrangement, the entirety of the ground wire is attached to the frame.
  • the spun yarn take-up machine is arranged so that
  • the entirety of the ground wire frame can be attached to the frame by the retaining portion, when the yarn threading is not performed.
  • the spun yarn take-up machine of any one of the first to eighth aspects is arranged so that the attaching position of the ground wire to the frame by the first attaching portion is closer to a working space than the yarn threading portions, in a direction in which the yarn threading portions are lined up.
  • the attaching position of the ground wire to the frame is far from the working space (i.e., on the far side)
  • the operator is required to stretch his/her arm to the far side when attaching the ground wire.
  • the attaching operation is tiresome.
  • the ground wire when the ground wire is attached on the far side, the ground wire tends to overlap the yarn path in the yarn threading, and the ground wire may interfere with the yarns.
  • the attachment of the ground wire to the frame can be easily done and interference of the ground wire to the yarns can be restrained.
  • a yarn threading assisting tool for threading yarns spun out from a spinning apparatus to yarn threading portions of a spun yarn take-up machine includes:
  • the ground wire conductively attached to the main body is conductively attachable to the conductive frame of the spun yarn take-up machine.
  • the yarn threading assisting tool for a spun yarn take-up machine of the twelfth aspect further includes a winding mechanism which is capable of winding the ground wire.
  • the portability of the yarn threading assisting tool is improved.
  • FIG. 1 is a schematic diagram of a facility in which a spun yarn take-up machine 1 of the present embodiment is provided.
  • the spun yarn take-up machine 1 is configured to take-up yarns 10, made of polyester, nylon, etc., spun out from a spinning apparatus 2. by a take-up unit 4 provided below the spinning apparatus 2, and then to wind the yarns by a yarn winding apparatus 5 provided below the take-up unit 4.
  • the leftward direction in FIG. 1 will be referred to as "left”
  • the rightward direction in FIG. 1 will be referred to as "right”
  • the direction toward the viewer of FIG. 1 will be referred to as "front”
  • the direction away from the viewer of FIG. 1 will be referred to as "rear”.
  • the take-up unit 4 includes members such as a yarn guide 20, a yarn feed roller 16, three first heating rollers 4a, 4b, and 4c, two second heating rollers 4d and 4e, and yarn feed rollers 17 to 19, which are provided in order along the yarn running direction.
  • the yarn guide 20 is provided below the spinning apparatus 2. As shown in FIG. 2 , the yarn guide 20 bends the yarns 10 spun out from the spinning apparatus 2 and guides the yarns 10 to the yarn feed roller 16.
  • the yarn feed roller 16 is disposed so that its axis is parallel to the front-rear direction. Onto the yarn feed roller 16, the yarns 10 guided by the yarn guide 20 are wound. The yarns 10 wound onto the yarn feed roller 16 are sent to a thermal insulation box 26 through a slit 26a, by the yarn feed roller 16.
  • the three first heating rollers 4a, 4b, and 4c and the two second heating rollers 4d and 4e are housed in the thermal insulation box 26.
  • Each of the first heating rollers 4a, 4b, and 4c and the second heating rollers 4d and 4e is disposed so that its axis is parallel to the front-rear direction.
  • a door (not illustrated) is attached to be openable and closable and to cover the front end surfaces of the first heating rollers 4a, 4b, and 4c and the second heating rollers 4d and 4e.
  • Each of the first heating rollers 4a, 4b, and 4c and the second heating rollers 4d and 4e is heated by a heater (not illustrated) provided inside each roller. Heat radiation from the first heating rollers 4a, 4b, and 4c and the second heating rollers 4d and 4e is restrained because these rollers are housed in the thermal insulation box 26 which is made of a heat insulating material.
  • the surface temperatures of the second heating rollers 4d and 4e are arranged to be temperatures (e.g., 120 to 140 degrees centigrade) higher than the surface temperatures (e.g., 80 to 100 degrees centigrade) of the first heating rollers 4a, 4b, and 4c.
  • Each of the first heating rollers 4a, 4b, and 4c and the second heating rollers 4d and 4e is a drive roller driven by a motor (not illustrated).
  • the second heating rollers 4d and 4e are arranged to be higher in yarn feeding speed than the first heating rollers 4a, 4b, and 4c.
  • the yarns 10 sent to the thermal insulation box 26 are drawn between the first heating rollers 4a, 4b, and 4c and the second heating rollers 4d and 4e.
  • the yarns 10 having been drawn are heated by the second heating rollers 4d and 4e, with the result that the drawn yarns are thermally set.
  • the yarns 10 having been heated and drawn are sent out toward a yarn feed roller 17 which is provided outside the thermal insulation box 26, via a slit 26b.
  • the yarn feed roller 17 is disposed so that its axis is parallel to the front-rear direction.
  • the yarns 10 having been sent out from the thermal insulation box 26 are wound onto the yarn feed roller 17 and are then sent to yarn feed rollers 18 and 19 which are provided downstream in the yarn running direction of the yarn feed roller 17.
  • the yarn feed rollers 18 and 19 are disposed so that their axes are parallel to the left-right direction.
  • the yarns 10 having been sent out from the yarn feed roller 17 are wound onto the yarn feed roller 18 and the yarn feed roller 19 in this order, and are then sent to the yarn winding apparatus 5.
  • the two yarn feed rollers 18 and 19 are supported by a long supporting member 27 which extends obliquely upward and rearward from a location above the front end portion of the yarn winding apparatus 5.
  • the yarn feed roller 18 is attached to the front end portion of the supporting member 27.
  • the yarn feed roller 19 is attached to be movable relative to the supporting member 27, along the length of the supporting member 27.
  • the yarn feed roller 19 is moved, by an elevation motor (not illustrated), between a "front position" indicated by two-dot chain lines in FIG. 2 and a "rear position” indicated by solid lines in the figure.
  • the front position of the yarn feed roller 19 is a position for yarn threading
  • the rear position is a position for yarn winding by the yarn winding apparatus 5.
  • Yarn guides 21 to 24 are provided immediately upstream of the yarn feed rollers 16 to 19 in the yarn feeding direction, respectively. Because the yarns 10 are threaded to these yarn guides 21 to 24, the yarns 10 are separated from one another at predetermined intervals in the arrangement direction of the yarns 10.
  • the yarn winding apparatus 5 includes two winding units 50.
  • the two winding units 50 are lined up in the left-right direction and are provided to sandwich a yarn path of the yarns 10 which are sent from the yarn feed roller 19 above.
  • the two winding units 50 are provided to be symmetrical in the left-right direction.
  • the yarns 10 spun out from the spinning apparatus 2 are sent to the two winding units 50 in a separated manner. For example, when 24 yarns 10 are sent from the spinning apparatus 2, a half of them, i.e., 12 yarns are wound by the left winding unit 50, whereas the remaining half of the yarns, i.e., 12 yarns are wound by the right winding unit 50.
  • Each winding unit 50 includes members such as a frame 15, a disc-shaped turret 6 rotatably attached to the frame 15, two bobbin holders 7 to which bobbins B are attached along the axial direction of the bobbin holders, a supporting member 12 extending in the front-rear direction to be parallel to the bobbin holder 7, fulcrum guides 13 to which the respective yarns 10 are threaded, traverse guides 8 by which the respective yarns 10 wound onto bobbins B are traversed, and a contact roller 9 making contact with the bobbins B attached to the bobbin holder 7.
  • the two bobbin holders 7 are rotatably supported at rear end portions by the turret 6 so that the axis of each bobbin holder 7 is parallel to the front-rear direction.
  • Each of the two bobbin holders 7 is rotationally driven by a motor (not illustrated).
  • the bobbins B attached to the bobbin holder 7 rotate together with the bobbin holder 7.
  • the positions of the two bobbin holders 7 are switched between a winding position (upper position in FIG. 1 and FIG. 2 ) and a retracted position (lower position in FIG. 1 and FIG. 2 ).
  • Each fulcrum guide 13 functions as a fulcrum of traversal of the yarn 10 by the traverse guide 8.
  • the fulcrum guides 13 are movably attached to the guide member 11.
  • the guide member 11 is disposed so that its length is parallel to the axial direction (front-rear direction) of the bobbin holder 7.
  • the fulcrum guides 13 attached to the guide member 11 are aligned in a line in the front-rear direction.
  • the fulcrum guides 13 are arranged to be movable between a fulcrum position shown in FIG. 2 where the fulcrum guides 13 are provided directly above the respective bobbins B and function as fulcrums of traversal and a yarn threading position shown in FIG. 3 where all fulcrum guides 13 are gathered to a front end portion of the guide member 11 and neighboring fulcrum guides 13 are close to each other.
  • the yarns 10 threaded to the respective fulcrum guides 13 are wound onto bobbins B attached to the bobbin holder 7 at the winding position, respectively, while being traversed about the fulcrum guides 13 in the axial direction of the bobbins B by the traverse guides 8.
  • packages P are formed around the bobbins B.
  • a plurality of spun yarn take-up machines 1 are aligned in the left-right direction.
  • frames 91 and 92 are provided to support members such as the thermal insulation box 26 and the yarn feed rollers 16 and 17 of each spun yarn take-up machine 1.
  • the frame 91 extends in the up-down direction and is provided between neighboring spun yarn take-up machines 1.
  • An upper end portion of the frame 91 is substantially as high as an upper end portion of the thermal insulation box 26.
  • the frame 92 is provided above the frame 91 and extends along the left-right direction across plural spun yarn take-up machines 1.
  • the height from the floor surface F on which the yarn winding apparatus 5 is placed to the frame 92 is about 2.8 meters.
  • the frame 92 is located above the components (yarn guides 20 to 24, the yarn feed rollers 16 to 19, the first heating rollers 4a, 4b, and 4c, and the second heating rollers 4d and 4e) constituting the take-up unit 4.
  • the frame 92 is made of a material which is conductive and ferromagnetic, such as iron.
  • the frame 92 is grounded. Furthermore, as shown in FIG.
  • a front surface of the frame 92 is located before the fulcrum guides 13. In other words, in the direction in which the fulcrum guides 13 are lined up, the front surface of the frame 92 is closer to a space where an operator (see FIG. 1 ) performs after-mentioned yarn threading operation than the fulcrum guides 13.
  • the frame 92 is provided substantially directly below the spinning apparatus 2.
  • the yarns 10 spun out from the spinning apparatus 2 pass in front of the frame 92 and reach the yarn guide 20, are bended at the yarn guide 20, and are then sent to the yarn feed roller 16.
  • the yarns 10 are threaded by the operator to the yarn guides 20 to 24 and the fulcrum guides 13 of the above-mentioned spun yarn take-up machine 1, by using a yarn threading assisting tool 60 shown in FIG. 4 and FIG. 5 .
  • the yarn threading assisting tool 60 is a flat plate member having a plurality of retaining grooves 61 and made of stainless steel.
  • the retaining grooves 61 retain the respective yarns 10, and each of the grooves is a slit cut off from the edge.
  • the respective retaining grooves 61 are arranged radially in a fan-like shape widen from the open end side (thread inlet side) of the slit toward the closed end side.
  • Each retaining groove 61 linearly extends from the open end side toward the closed end side. For this reason, an inclination angle between the central retaining groove 61 and another retaining groove 61 increases as the another retaining groove 61 gets away from the central one. Furthermore, the retaining grooves 61 are arranged so that the distance W1 between neighboring retaining grooves 61 on the open end side is shorter than the distance W2 between the neighboring retaining grooves 61 on the closed end side.
  • the yarn threading assisting tool 60 has a grip 62 which extends along the direction in which the retaining grooves 61 are aligned.
  • a hole 63 is formed at an end portion of the grip 62 on the opposite side of the retaining grooves 61.
  • a hook member 72 fixed to an after-mentioned ground wire 70 is hooked into the hole 63.
  • a conductive magnet 71 is fixed to one end portion of the ground wire 70.
  • the magnet 71 is magnetically attached to the front surface of the frame 92 (see FIG. 1 ).
  • the ground wire 70 is conductively attached to the frame 92 by the magnet 71.
  • the hook member 72 shown in FIG. 5 is attached to the other end portion of the ground wire 70, which is opposite to the one end portion to which the magnet 71 is fixed.
  • the hook member 72 is made of a conductive material.
  • the hook member 72 can be hooked into the hole 63 of the yarn threading assisting tool 60.
  • the ground wire 70 can be conductively and detachably attached to the yarn threading assisting tool 60.
  • the hook member 72 is intrinsically made of a magnet in itself, or a magnet (not illustrated) is attached extrinsically.
  • the hook member 72 is hooked into the hole 63 of the yarn threading assisting tool 60 as shown in FIG. 5 .
  • the hook member 72 is detached from the yarn threading assisting tool 60 and is magnetically fixed to the frame 92.
  • the whole ground wire 70 is attached to the frame 92 as indicated by a one-dot chain line in FIG. 1 .
  • the ground wire 70 is attached to a location between two groups of the yarns 10 which are spun out from the spinning apparatuses 2 of two neighboring spun yarn take-up machines 1 and pass in front of the frame 92.
  • the ground wire 70 of the present embodiment has a spring property (elasticity). Because the ground wire 70 has a spring property, the ground wire 70 is shortened and the entirety of the wire is attached to the frame 92 when the yarn threading is not performed, with the result that a space for attaching the ground wire 70 is downsized. The ground wire 70 is therefore attached to a location where the wire does not interfere with the yarns 10 passing in front of the frame 92. Furthermore, because the ground wire 70 can be elongated when the yarn threading is performed, the accessible range is wide.
  • the yarn threading is performed in a state in which the yarn feed roller 19 is at the front position (indicated by two-dot chain lines in FIG. 2 ) and the fulcrum guides 13 are at the yarn threading position (which is shown in FIG. 3 ).
  • the operator performs the yarn threading from the front side of the spun yarn take-up machine 1.
  • the whole ground wire 70 is attached to the frame 92 as the magnet 71 and the hook member 72 are attached to the frame 92, as indicated by one-dot chain lines in FIG. 1 .
  • the operator performing the yarn threading detaches the hook member 72 of the ground wire 70 from the frame 92 and hooks the detached member into the hole 63 of the yarn threading assisting tool 60, as shown in FIG. 5 .
  • the operator works on a step which is not illustrated.
  • the operator performs the yarn threading to the yarn guide 20, the yarn guide 21, the yarn feed roller 16, the first heating rollers 4a, 4b, and 4c, the second heating rollers 4d and 4e, the yarn guide 22, the yarn feed roller 17, the yarn guide 23, the yarn feed roller 18, the yarn guide 24, and the yarn feed roller 19, while sucking the yarns 10 spun out from the spinning apparatus 2 by a suction gun (not illustrated).
  • the operator performs the yarn threading to the fulcrum guides 13. Subsequently, at a location between the yarn feed roller 19 and the suction gun (not illustrated), the operator combs the yarn threading assisting tool 60 in the yarns 10 as shown in FIG. 5 . As a result, the yarns 10 threaded into the respective retaining grooves 61 are held by the retaining grooves 61 in a distributed manner.
  • the yarns are threaded to the respective fulcrum guides 13 at the yarn threading position, as the yarn threading assisting tool 60 retaining the yarns 10 is operated.
  • the operator holds the yarn threading assisting tool 60 and moves it so that the respective yarns 10 retained by the retaining grooves 61 are moved to the leading end portions 13a of the fulcrum guides 13corresponding to the respective yarns 10.
  • the yarn threading assisting tool 60 is moved in a direction (obliquely leftward and forward as indicated by the arrow in the figure) which intersects with the front-rear direction which is identical with the arrangement direction of the fulcrum guides 13, on a horizontal plane.
  • the yarns 10 are threaded to the respective fulcrum guides 13 while running along tracks indicated by two-dot chain lines in the figure.
  • the yarns 10 are inserted into the fulcrum guides 13 from one side.
  • the position of the yarn threading assisting tool 60 before the yarn threading is indicated by two-dot chain lines.
  • the yarn feed roller 19 is moved from the front position to the rear position. Subsequently, the fulcrum guides 13 are moved from the yarn threading position to the fulcrum position. Then winding starts so that the yarns 10 are wound by bobbins B provided below.
  • the spun yarn take-up machine 1 of the first embodiment includes a plurality of yarn threading portions (fulcrum guides 13 and yarn guides 20 to 24) to which yarns 10 spun out from the spinning apparatus 2 are threaded, and threads the yarns to the yarn threading portions by using the yarn threading assisting tool 60 which is able to retain the yarns 10.
  • the spun yarn take-up machine 1 includes the conductive frame 92, the ground wire 70, the magnet 71 which conductively attaches the ground wire 70 to the frame 92, and the hook member 72 which conductively attaches the ground wire 70 to the yarn threading assisting tool 60.
  • the ground wire 70 is attached to the frame 92 which is above the yarn threading portions (fulcrum guides 13 and yarn guides 20 to 24).
  • the attaching position of the ground wire 70 to the frame 92 by the magnet 71 is above the yarn threading portions.
  • the attaching position of the ground wire 70 is low, the ground wire 70 obstructs the yarn threading by the operator and deteriorates the workability.
  • the attaching position of the ground wire 70 is above the yarn threading portions, the deterioration of the workability on account of the ground wire 70 is restrained.
  • the ground wire 70 is attached to the frame 92 which is above the take-up unit 4.
  • the attaching position of the ground wire 70 to the frame 92 by the magnet 71 is above the take-up unit 4. Because the attaching position of the ground wire 70 is above the take-up unit 4, the ground wire 70 is less likely to interfere with the rollers (yarn feed rollers 16 to 19) of the take-up unit 4. It is therefore possible to restrain the ground wire 70 from being caught by a roller.
  • yarns are threaded by using the yarn threading assisting tool 60 to the fulcrum guides 13 which are provided below the take-up unit 4 and to which the yarns 10 sent from the take-up unit 4 to the yarn winding apparatus 5 are threaded.
  • electric charge is accumulated in the yarns 10 on account of friction between the rollers (yarn feed rollers 16 to 19, first heating rollers 4a, 4b, and 4c, and second heating rollers 4d and 4e) of the take-up unit 4 and the yarns 10.
  • the amount of the electric charge of the yarn threading assisting tool 60 is large when the yarns 10 sent from the take-up unit 4 to the yarn winding apparatus 5 are threaded to the yarn threading portions.
  • the present invention is therefore effectively applied to discharge the static electricity accumulated in the yarn threading assisting tool 60 to the frame 92 via the ground wire 70.
  • the fulcrum guides 13 are aligned in a line in the front-rear direction.
  • the yarn threading is performed while the yarn threading assisting tool 60 is moved along one direction which intersects with the front-rear direction in the horizontal plane.
  • the positional relationship between the attaching position of the ground wire 70 to the frame 92 and the yarn threading assisting tool 60 is changed.
  • the ground wire 70 may be warped depending on the positional relationship between the attaching position of the ground wire 70 to the frame 92 and the yarn threading assisting tool 60.
  • the attaching position of the ground wire 70 to the frame 92 is above the take-up unit 4 and the fulcrum guides 13 are provided below the take-up unit 4, and the distance between the attaching position of the ground wire 70 to the frame 92 and the fulcrum guides 13 is relatively long.
  • the warpage of the ground wire 70 is relatively small on the yarn threading operation, and the ground wire 70 is less likely to be caught by a roller of the take-up unit 4 or the like. As such, the present invention is effectively employed.
  • the frame 92 is ferromagnetic and the conductive magnet 71 is fixed to the ground wire 70.
  • the ground wire 70 is conductively attached to the frame 92 by the magnet 71. It is therefore easy to conductively attach the ground wire 70 to the frame 92.
  • the ground wire 70 can be detachably attached to the yarn threading assisting tool 60. It is therefore possible to detach the ground wire 70 from the yarn threading assisting tool 60 when the yarn threading is not performed. The operator who performs the yarn threading is able to carry the yarn threading assisting tool 60. Furthermore, it is possible to use one yarn threading assisting tool 60 for plural spun yarn take-up machines 1.
  • the hook member 72 which can be hooked into the hole 63 of the yarn threading assisting tool 60 is fixed to the ground wire 70. It is therefore easy to detachably attach the ground wire 70 to the yarn threading assisting tool 60.
  • the magnet 71 is fixed to one end portion of the ground wire 70 in order to attach the ground wire 70 to the frame 92.
  • the hook member 72 is fixed to the other end portion of the ground wire 70, which is opposite to the one end portion to which the magnet 71 is fixed.
  • the hook member 72 is intrinsically made of a magnet, or a magnet is attached extrinsically. It is therefore possible to magnetically attach the hook member 72 to the frame 92 in a detachable manner.
  • the entirety of the ground wire 70 can therefore be attached to the frame 92 when the yarn threading is not performed. It is possible to restrain the ground wire 70 from hanging down from the frame 92 and making contact with, for example, the yarns 10 and the rollers of the take-up unit 4, when the yarn threading is not performed.
  • FIG. 7(a) and FIG. 7(b) show a yarn threading assisting tool of the second embodiment of the present invention. While in the embodiment above-mentioned the spun yarn take-up machine 1 includes the ground wire 70, in the present embodiment a yarn threading assisting tool 160 includes a ground wire 170.
  • the spun yarn take-up machine 1 includes the ground wire 70
  • a yarn threading assisting tool 160 includes a ground wire 170.
  • members identical with those in the first embodiment will be denoted by the same reference numerals and the explanations thereof may not be repeated.
  • the yarn threading assisting tool 160 of the present embodiment includes a plate-shaped main body 165 in which retaining grooves 161 and a grip 162 are formed, the ground wire 170 conductively attached to the main body 165, a winding mechanism 175 configured to wind the ground wire 170 extending from the main body 165, and a magnet 171 which is pasted on a casing 175a of the winding mechanism 175.
  • the magnet 171 is conductive, and electricity can be transmitted between the magnet 171 and the ground wire 170.
  • the winding mechanism 175 is not detailed because it is a known mechanism disclosed in, for example, Japanese Unexamined Patent Publication No. 2005-345107 .
  • the winding mechanism 175 is arranged such that, when an operation button (not illustrated) is not operated, the ground wire 170 drawn out from the casing 175a by an operator is not wound back even if the operator removes a hand from the ground wire 170. When the operation button (not illustrated) is operated, the ground wire 170 having been drawn out is wound back to the casing 175a.
  • the yarn threading assisting tool 160 When yarn threading is not performed, the yarn threading assisting tool 160 is arranged such that the ground wire 170 is wound by the winding mechanism 175, and the yarn threading assisting tool 160 is held by the operator in this state. When yarn threading is not performed, the yarn threading assisting tool 160 may be stored in the vicinity of the spun yarn take-up machine 1. When performing the yarn threading, the operator draws the ground wire 170 out from the casing 175a of the winding mechanism 175 of the yarn threading assisting tool 160 and magnetically fixes the magnet 171 to the frame 92. As a result, electricity becomes transmittable between the ground wire 170 and the frame 92.
  • the ground wire 170 conductively attached to the main body 165 can be conductively attached to the conductive frame 92 of the spun yarn take-up machine 1. It is therefore possible to discharge the static electricity accumulated in the main body 165 of the yarn threading assisting tool 160 to the frame 92 via the ground wire 170, when the operator performs the yarn threading to the fulcrum guides 13 by using the yarn threading assisting tool 160. As a result, it is possible to prevent the operator from receiving an electric shock when performing the yarn threading.
  • the winding mechanism 175 capable of winding the ground wire 170 is provided. Because the ground wire 170 is wound by the winding mechanism 175 when the yarn threading is not performed, the portability of the yarn threading assisting tool 160 is improved.
  • the ground wire 70 may be attached to the frame 92 by another means.
  • the ground wire 70 may be fixed by using a screw.
  • the hook member 72 may be attached to the frame 92 by using another means.
  • a ring-shaped member may be provided on the frame 92 to hook the hook member 72.
  • hook members 271 and 272 are fixed to end portions of a ground wire 270, respectively.
  • the hook member 271 is hooked into a ring-shaped member 274a of the frame 92.
  • the hook member 272 is hooked into a ring-shaped member 275a of the frame 92 when the yarn threading is not performed.
  • the entirety of the ground wire 270 is attached to the frame 92 when the yarn threading is not performed.
  • the hook member 272 is detached from the ring-shaped member 275a and is hooked into the hole 63 of the yarn threading assisting tool 60 in the same manner as in the first embodiment (see FIG. 5 ).
  • the ring-shaped members 274a and 275a and the hook members 271 and 272 are made of a conductive material. On this account, as the hook member 271 is hooked into the ring-shaped member 274a, the ground wire 270 is conductively attached to the frame 92.
  • the hook member 272 may be magnetically attached to the frame 92 in the same manner as in the first embodiment.
  • the ground wire 70 (170, 270) is attached to the frame 92 which is above the take-up unit 4 and the yarn threading portions (fulcrum guides 13 and yarn guides 20 to 24) to which yarns are threaded by the yarn threading assisting tool 60 (160)
  • the position where the ground wire 70 (170, 270) is attached is not limited to this.
  • the ground wire 70 (170, 270) may be attached to a frame different from the frame 92 lower than the yarn threading portions and the take-up unit 4.
  • the fulcrum guides 13 are aligned in a line in the front-rear direction
  • the arrangement direction of the fulcrum guides 13 is not limited to this.
  • the fulcrum guides may be aligned in a line in a direction intersecting with the front-rear direction, or may not be aligned in a line.
  • the ground wire 70 is detachably attached to the yarn threading assisting tool 60 by the hook member 72 (272), the disclosure is not limited to this arrangement.
  • the ground wire 70 is detachably attached to the yarn threading assisting tool 60 by an openable ring-shaped member 372 instead of the hook member 72 (272).
  • the ring-shaped member 372 is formed of two circular-arc-shaped members 372a and 372b. The circular-arc-shaped members 372a and 372b are connected to each other at end portions by a shaft 372c.
  • the ring-shaped member 372 is switched between a closed state in which a ring shape is formed as shown in FIG. 9(a) and an open state in which the ring is partially cut out as shown in FIG. 9(b) , as the circular-arc-shaped members 372a and 372b are rotated about the shaft 372c.
  • the ring-shaped member 372 is opened.
  • the ring-shaped member 372 is closed. This prevents the ground wire 70 from being detached from the yarn threading assisting tool 60 during the yarn threading.
  • the ring-shaped member 372 may not be formed of the two circular-arc-shaped members 372a and 372b.
  • the ring-shaped member may be formed of one circular-arc-shaped member and one rectilinear member, such as a carabiner.
  • the ground wire 70 (270) may not be detachable from the yarn threading assisting tool 60.
  • the hook member 72 (272) may not be attachable to the frame 92.
  • the magnet 171 is pasted onto the casing 175a of the winding mechanism 175, and the ground wire 170 is attached to the frame 92 by magnetically fixing the magnet 171 to the frame 92.
  • means for attaching the ground wire 170 to the frame 92 is not limited to this.
  • the ground wire 170 may be attached to the frame 92 in such a way that a hook member provided on the casing 175a of the winding mechanism 175 is hooked into a ring-shaped member provided on the frame 92.
  • the yarn threading assisting tool 60 may be used to perform yarn threading to at least one of the yarn guides 20 to 24 and the fulcrum guides 13.
  • ground wire 70 has a spring property (elasticity)
  • the ground wire 70 may not have a spring property (elasticity), on condition that the ground wire 70 can be attached to a position where the wire does not interfere with the yarns 10 when the yarn threading is not performed and the ground wire 70 is long enough for the yarn threading.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (9)

  1. Machine (1) de bobinage de fil filé qui comporte une pluralité de parties (13) d'enfilage de fil sur lesquelles des fils (10) filés sortant d'un appareil (2) de filage sont enfilés,
    les fils (10) étant enfilés sur les parties (13) d'enfilage de fil en utilisant un outil (60) d'aide à l'enfilage de fil apte à retenir les fils (10),
    la machine (1) de bobinage de fil filé comprenant :
    un bâti (92) conducteur ;
    un câble (70) de masse ;
    une première partie (71) de rattachement par laquelle le câble (70) de masse est rattaché de manière conductrice au bâti (92) ; et
    une deuxième partie (72) de rattachement par laquelle le câble (70) de masse est rattaché de manière conductrice à l'outil (60) d'aide à l'enfilage de fil ;
    dans laquelle la deuxième partie (72) de rattachement rattache de manière détachable le câble (70) de masse à l'outil (60) d'aide à l'enfilage de fil ;
    dans laquelle
    la première partie (71) de rattachement rattache une partie d'extrémité du câble (70) de masse au bâti (92),
    caractérisée en ce que
    une partie (72) de retenue est en outre prévue pour rattacher de manière détachable l'autre partie d'extrémité du câble (70) de masse opposée à l'une partie d'extrémité au bâti (92) de façon à rattacher la totalité du câble (70) de masse au bâti (92).
  2. Machine (1) de bobinage de fil filé selon la revendication 1, dans laquelle,
    une position de rattachement du câble (70) de masse au bâti (92) par la première partie (71) de rattachement est au-dessus des parties (13) d'enfilage de fil.
  3. Machine (1) de bobinage de fil filé selon la revendication 2 comprenant en outre
    une unité (4) d'enroulement qui
    est prévue sous l'appareil (2) de filage et comporte un ou plusieurs rouleaux (16, 17, 18, 19) pour enrouler les fils (10) filés sortant de l'appareil (2) de filage,
    une position de rattachement du câble (70) de masse au bâti (92) par la première partie (71) de rattachement étant au-dessus de l'unité (4) d'enroulement.
  4. Machine (1) de bobinage de fil filé selon la revendication 3 comprenant en outre
    un appareil (5) de bobinage de fil qui
    est prévu au-dessous de l'unité (4) d'enroulement pour bobiner les fils (10) alimentés par l'unité (4) d'enroulement sur des bobines (B) respectives,
    les parties (13) d'enfilage de fil étant prévues au-dessous de l'unité (4) d'enroulement et
    les fils (10) alimentés par l'unité (4) d'enroulement à l'appareil (5) d'enroulement de fil étant enfilés sur les parties (13) d'enfilage de fil.
  5. Machine (1) de bobinage de fil filé selon l'une quelconque des revendications 1 à 4, dans laquelle,
    le bâti (92) est ferromagnétique, et
    la première partie (71) de rattachement est un aimant (71) conducteur fixé au câble (70) de masse.
  6. Machine (1) de bobinage de fil filé selon l'une quelconque des revendications 1 à 5, dans laquelle,
    la deuxième partie (72) de rattachement est un organe (72) formant crochet qui est fixé au câble (70) de masse et est apte à être accroché dans un trou (63) formé dans l'outil (60) d'aide à l'enfilage de fil.
  7. Machine (1) de bobinage de fil filé selon l'une quelconque des revendications 1 à 5, dans laquelle,
    la deuxième partie (72) de rattachement est un organe (372) en forme de bague qui est fixé au câble (70) de masse, est apte à être mis en prise avec un trou (63) formé dans l'outil (60) d'aide à l'enfilage de fil, et est ouvrable et refermable.
  8. Machine (1) de bobinage de fil filé selon la revendication 6 ou la revendication 7, dans laquelle,
    la première partie (71) de rattachement rattache une partie d'extrémité du câble (70) de masse au bâti (92),
    la deuxième partie (72) de rattachement est fixée à l'autre partie d'extrémité du câble (70) de masse, qui est opposée à l'une partie d'extrémité, et
    un organe (275a) de mise en prise comportant une partie de mise en prise capable d'être mise en prise avec la deuxième partie (72) de rattachement est prévu sur le bâti (92).
  9. Machine (1) de bobinage de fil filé selon l'une quelconque des revendications 1 à 8, dans laquelle,
    la position de rattachement du câble (70) de masse au bâti (92) par la première partie (71) de rattachement est plus proche d'un espace de travail que les parties (13) d'enfilage de fil, dans une direction dans laquelle les parties (13) d'enfilage de fil sont alignées.
EP22203232.8A 2018-08-02 2019-07-01 Machine de bobinage de fil Active EP4144678B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018146023A JP7114395B2 (ja) 2018-08-02 2018-08-02 紡糸引取機及び紡糸引取機の糸掛け補助具
EP19183595.8A EP3604187B1 (fr) 2018-08-02 2019-07-01 Machine de bobinage de fil

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP19183595.8A Division-Into EP3604187B1 (fr) 2018-08-02 2019-07-01 Machine de bobinage de fil
EP19183595.8A Division EP3604187B1 (fr) 2018-08-02 2019-07-01 Machine de bobinage de fil

Publications (2)

Publication Number Publication Date
EP4144678A1 EP4144678A1 (fr) 2023-03-08
EP4144678B1 true EP4144678B1 (fr) 2023-11-22

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ID=67137819

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Application Number Title Priority Date Filing Date
EP22203232.8A Active EP4144678B1 (fr) 2018-08-02 2019-07-01 Machine de bobinage de fil
EP19183595.8A Active EP3604187B1 (fr) 2018-08-02 2019-07-01 Machine de bobinage de fil

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19183595.8A Active EP3604187B1 (fr) 2018-08-02 2019-07-01 Machine de bobinage de fil

Country Status (3)

Country Link
EP (2) EP4144678B1 (fr)
JP (1) JP7114395B2 (fr)
CN (1) CN110791822A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023012096A (ja) 2021-07-13 2023-01-25 Ｔｍｔマシナリー株式会社 交絡装置、及び糸巻取機
CN113942882A (zh) * 2021-10-19 2022-01-18 南通创韦伦纺织科技有限公司 一种带有织线梳理结构的纺织设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4711565Y1 (fr) * 1969-08-22 1972-04-28
JPS576444Y2 (fr) * 1976-11-10 1982-02-06
JP2005345107A (ja) 2004-05-31 2005-12-15 Nippon Acp Kk 電子式メジャー装置
DE102011016786A1 (de) 2011-04-12 2012-10-18 Oerlikon Textile Gmbh & Co. Kg Hilfsvorrichtung zum manuellen Führen von laufenden Fäden
JP6393206B2 (ja) 2014-02-05 2018-09-19 Ｔｍｔマシナリー株式会社 糸巻取機
CN104828634B (zh) 2014-02-10 2019-04-30 日本Tmt机械株式会社 纺丝牵伸装置

Also Published As

Publication number Publication date
EP3604187B1 (fr) 2023-05-03
EP3604187A1 (fr) 2020-02-05
EP4144678A1 (fr) 2023-03-08
CN110791822A (zh) 2020-02-14
JP7114395B2 (ja) 2022-08-08
JP2020020069A (ja) 2020-02-06

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