EP3392383A1 - Appareil de descente de fils et système de rattrapage de fil fin - Google Patents

Appareil de descente de fils et système de rattrapage de fil fin Download PDF

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Publication number
EP3392383A1
EP3392383A1 EP18166776.7A EP18166776A EP3392383A1 EP 3392383 A1 EP3392383 A1 EP 3392383A1 EP 18166776 A EP18166776 A EP 18166776A EP 3392383 A1 EP3392383 A1 EP 3392383A1
Authority
EP
European Patent Office
Prior art keywords
yarn
bring
main body
yarns
take
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
EP18166776.7A
Other languages
German (de)
English (en)
Other versions
EP3392383B1 (fr
Inventor
Taisuke Konno
Kenji Sugiyama
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 EP3392383A1 publication Critical patent/EP3392383A1/fr
Application granted granted Critical
Publication of EP3392383B1 publication Critical patent/EP3392383B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • D01D13/00—Complete machines for producing artificial threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/28—Arrangements for initiating a forwarding operation
    • 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
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/003—Arrangements for threading or unthreading the guide
    • 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
    • D01D13/00—Complete machines for producing artificial threads
    • D01D13/02—Elements of machines in combination
    • 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

Definitions

  • the present invention relates to a yarn bring-down apparatus for bringing down yarns spun out from a spinning apparatus and a spun yarn take-up system including the yarn bring-down apparatus.
  • Patent Literature 1 International Publication No. 2015/198698 discloses a spun yarn take-up apparatus configured to take up yarns spun out from a spinning apparatus.
  • This spun yarn take-up apparatus is structured to have two stages. The spinning apparatus is provided on the second floor, whereas a take-up unit taking up yarns spun out from the spinning apparatus and a winding device are provided on the first floor. For this reason, to thread yarns onto the take-up unit and the winding device, it is necessary to bring yarns spun out from the spinning apparatus down to the first floor.
  • Patent Literature 1 therefore discloses a yarn bring-down apparatus which is configured to bring yarns spun out from the spinning apparatus from the second floor to the first floor, while retaining these yarns.
  • spun yarn take-up systems of these days are often arranged so that a lot of spinning apparatuses and spun yarn take-up apparatuses are lined up in each system. If the yarn bring-down apparatus of Patent Literature 1 is employed in such a system, it is necessary to provide a bring-down device for each spun yarn take-up apparatus. Increase in cost of the system including the maintenance cost is a matter of concern.
  • the present invention has been done to solve the problem above, and an object of the present invention is to achieve yarn bring-down at each spun yarn take-up apparatus with low cost, even when a plurality of spun yarn take-up apparatuses are lined up.
  • a yarn bring-down apparatus of the present invention is provided in a spun yarn take-up system configured to bring yarns spun out from a spinning apparatus on an upper floor down to a lower floor, and includes a wagon main body configured to be movable on the upper floor and a yarn bring-down member which is provided in the wagon main body and is capable of moving down to the lower floor while retaining the yarns spun out from the spinning apparatus.
  • the yarn bring-down member is provided in the wagon main body which is movable on the upper floor, yarn bring-down can be done at a suitable location by moving the wagon main body.
  • yarn bring-down at each spun yarn take-up apparatus is possible by moving the wagon main body, and no dedicated apparatus is required for each spun yarn take-up apparatus. It is therefore possible to restrain the cost of the system including the maintenance cost.
  • the yarn bring-down member may include a plurality of hooking portions which are spaced apart from each other in a direction intersecting with the up-down direction and are each able to hook the yarns.
  • each of the hooking portions may form a slit which is open downward.
  • the yarn bring-down apparatus of the present invention may be arranged such that, the yarn bring-down member is connected to a wire, and a first reel for winding the wire is provided in the wagon main body.
  • the apparatus is small in size because the wire is wound on the first reel in cases other than the yarn bring-down.
  • a first driving unit may be provided in the wagon main body to rotationally drive the first reel.
  • the yarn bring-down member is automatically moved up or down by driving the first driving unit, and this reduces the burden on the operator. Furthermore, as the first driving unit functions as a brake, the wire is not unintentionally drawn out by the weight of the yarn bring-down member, and hence the yarn bring-down member is stably brought down.
  • a guide member for guiding the yarn bring-down member in the up-down direction may be provided in the wagon main body.
  • This arrangement allows the yarn bring-down member to be brought down along the guide member, and hence the yarn bring-down member is stably brought down to a desired location.
  • the yarn bring-down apparatus of the present invention may be arranged such that the guide member is flexible and woundable, and a second reel for winding the guide member is provided in the wagon main body.
  • the apparatus is small in size because the guide member is wound on the second reel in cases other than the yarn bring-down.
  • a second driving unit may be provided in the wagon main body to rotationally drive the second reel.
  • the guide member is automatically moved up or down by driving the second driving unit, and this reduces the burden on the operator. Furthermore, as the second driving unit functions as a brake, the guide member is not unintentionally drawn out by the weight of the guide member, and hence the guide member is stably brought down.
  • a suction member may be provided in the wagon main body to suck the yarns spun out from the spinning apparatus.
  • a spun yarn take-up system of the present invention is configured to take up, on a lower floor, yarns spun out from a spinning apparatus provided on an upper floor, the spun-yarn take-up system including a yarn bring-down apparatus configured to bring down the yarns spun out from the spinning apparatus from the upper floor to the lower floor, the yarn bring-down apparatus including: a wagon main body configured to be movable on the upper floor; and a yarn bring-down member which is provided in the wagon main body and is capable of moving down to the lower floor while retaining the yarns spun out from the spinning apparatus.
  • the yarn bring-down member is provided in the wagon main body which is movable on the upper floor, yarn bring-down can be done at a suitable location by moving the wagon main body.
  • yarn bring-down to the sucking retaining unit at each spun yarn take-up apparatus is possible by moving the wagon main body, and no dedicated apparatus is required for each spun yarn take-up apparatus. It is therefore possible to restrain the cost of the system including the maintenance cost.
  • a guide member which is capable of moving up and down may be provided in the wagon main body to guide the yarn bring-down member in an up-down direction.
  • This arrangement allows the yarn bring-down member to be brought down along the guide member, and hence the yarn bring-down member is stably brought down to a desired location.
  • the spun yarn take-up system of the present invention may be arranged such that, a positioning portion is provided on the lower floor to position the guide member, and an engaging portion which is positioned by being engaged with the positioning portion is provided at a lower end portion of the guide member.
  • the spun yarn take-up system of the present invention may be arranged such that an opening allowing the yarns to pass therethrough is formed in a partition floor provided between the upper floor and the lower floor, and a tubular cover member is provided at the periphery of the opening to protrude downward from the partition floor, and the positioning portion is provided on the inner wall of the cover member.
  • the guide member moves along the inner wall of the cover member when the guide member is brought down, with the result that the engaging portion is easily engaged with the positioning portion.
  • the spun yarn take-up system of the present invention may be arranged such that a drop prevention wall is provided at the periphery of the opening to protrude upward from the partition floor and a contact portion is formed at a front end portion of the wagon main body to be able to make contact with the drop prevention wall, and as the wagon main body is positioned so that the contact portion is in contact with the drop prevention wall, the guide member is brought down along the inner wall of the cover member.
  • This arrangement makes it easy to position the wagon main body in order to cause the guide member to move along the inner wall of the cover member.
  • FIG. 1 is a schematic diagram of a spun yarn take-up system of the present embodiment.
  • the spun yarn take-up system 1 is divided into a first floor (lower floor) and a second floor (upper floor) by a partition floor 2.
  • the spun yarn take-up system 1 includes a spinning apparatus 3, a spun yarn take-up apparatus 4, a yarn bring-down apparatus 5, a yarn threading apparatus 6, and a controller 7.
  • the spinning apparatus 3, a part of the spun yarn take-up apparatus 4, and the yarn bring-down apparatus 5 are provided on the second floor, whereas the remaining part of the spun yarn take-up apparatus 4 and the yarn threading apparatus 6 are provided on the first floor.
  • the yarn bring-down apparatus 5 is allowed to freely movable on the second floor.
  • the controller 7 is configured to control the whole operation of the spun yarn take-up system 1.
  • the controller 7 controls the spun yarn take-up apparatus 4 and sends a yarn threading instruction to the yarn threading apparatus 6.
  • a plurality of spinning apparatuses 3 and a plurality of spun yarn take-up apparatuses 4 are lined up in the direction orthogonal to the plane of FIG. 1 .
  • a plurality of openings 2a are formed in the direction orthogonal to the plane of FIG. 1 .
  • Each opening 2a allows yarns Y spun out from each spinning apparatus 3 provided on the second floor to pass therethrough.
  • a tubular cover member 8 is provided below the periphery of each opening 2a to protrude downward from the partition floor 2, in order to prevent yarn shaking or the like.
  • a tubular drop prevention wall 9 is provided to protrude upward from the partition floor 2, in order to prevent the yarn bring-down apparatus 5 or the like from dropping from the second floor.
  • the up-down direction in FIG. 1 will be referred to as an up-down direction of the spun yarn take-up system 1
  • the left-right direction in FIG. 1 will be referred to as a front-rear direction of the spun yarn take-up system 1
  • the direction orthogonal to the plane of FIG. 1 will be referred to as a left-right direction of the spun yarn take-up system 1.
  • the spinning apparatus 3 is provided on the second floor, and a spinning pack 10 with a spinneret 10a is attached to the spinning apparatus 3.
  • a spinning pack 10 with a spinneret 10a is attached to the spinning apparatus 3.
  • synthetic-fiber yarns Y are spun out from the spinneret 10a.
  • the spun yarn take-up apparatus 4 is configured to take up the yarns Y spun out from the spinning apparatus 3 and forms packages P by winding the yarns Y onto bobbins B, respectively.
  • the spun yarn take-up apparatus 4 includes members such as a cooling unit 11, an oil guide 12, a yarn regulating guide 13, a yarn holding unit 14, a take-up unit 15, and a winding device 16.
  • the cooling unit 11, the oil guide 12, and the yarn regulating guide 13 are provided on the second floor, whereas the yarn holding unit 14, the take-up unit 15, and the winding device 16 are provided on the first floor.
  • the cooling unit 11 is provided immediately below the spinning apparatus 3.
  • the yarns Y spun out from the spinneret 10a are solidified as they are cooled by gas supplied to the cooling unit 11 while passing through the cooling unit 11.
  • Below the cooling unit 11, the oil guide 12 and the yarn regulating guide 13 are provided.
  • the oil guide 12 is configured to apply oil to the yarns Y spun out from the spinning apparatus 3.
  • the yarn regulating guide 13 below the oil guide 12 is provided for regulating the yarn path of the yarns Y to which oil is applied at the oil guide 12.
  • the yarn holding unit 14 is fixedly provided at a position immediately below the opening 2a of the partition floor 2.
  • this yarn holding unit 14 cuts the yarns Y spun out from the spinning apparatus 3 and temporarily sucks and retains them until the trouble or the like is resolved.
  • the yarns Y spun out from the spinning apparatus 3 are sucked and retained by the yarn holding unit 14, the yarns Y are not sent to the take-up unit 15 and the winding device 16 which are on the downstream side. This allows the operator to perform operations such as trouble shooting of the take-up unit 15 and the winding device 16.
  • the take-up unit 15 is configured to take up the yarns Y coming down from the second floor through the opening 2a which is formed through the partition floor 2.
  • the take-up unit 15 includes two godet rollers 19 and 20. Each of the two godet rollers 19 and 20 is rotationally driven by a motor which is not illustrated. By the two godet rollers 19 and 20, the take-up unit 15 sends the yarns Y to the winding device 16. Among the two godet rollers 19 and 20, the godet roller 19 on the upstream is provided at a position substantially immediately below the yarn holding unit 14.
  • the godet roller 20 on the downstream is arranged to be movable between a position for yarn placement close to the godet roller 19 (i.e., a position indicated by two-dot chain lines in FIG. 1 ) and a position for yarn production immediately above the winding device 16 (i.e., a position indicated by full lines in FIG. 1 ).
  • the winding device 16 includes members such as a turret 21, two bobbin holders 22, a traverse unit 23, and a contact roller 24.
  • the turret 21 the two bobbin holders 22 are rotatably supported.
  • the traverse unit 23 includes traverse guides 23a which correspond to the respective bobbins B attached to the bobbin holder 22.
  • the contact roller 24 makes contact with the packages P formed on the upper bobbin holder 22 to apply contact pressure to each package P.
  • FIG. 2 is a perspective view of the yarn bring-down apparatus 5.
  • FIG. 3 is a schematic diagram of the positioned yarn bring-down apparatus 5.
  • FIG. 4 is a schematic diagram of the yarn bring-down apparatus 5 when the guide member has been brought down.
  • FIG. 5 is a schematic diagram of the yarn bring-down apparatus 5 when a yarn bring-down member has been brought down.
  • FIG. 6 is a cross section taken at the VI-VI line in FIG. 5 .
  • the yarn bring-down apparatus 5 is provided for bringing the yarns Y spun out from the spinning apparatus 3 down to the first floor at the time of yarn threading before the start of the production of packages P.
  • the yarn bring-down apparatus 5 includes members such as a wagon main body 30, a yarn bring-down member 31, a guide member 32, and a suction gun 33.
  • the yarn bring-down apparatus 5 is structured such that the members are mounted on the wagon main body 30. Wheels 34 and an operation member 35 are attached to the wagon main body 30. As an operator operates the operation member 35, the yarn bring-down apparatus 5 is movable on the partition floor 2.
  • the yarn bring-down member 31 includes a supporting portion 31a which extends in the up-down direction and a holding portion 31b attached to a lower end portion of the supporting portion 31a.
  • a holding portion 31b In the holding portion 31b, two hooking portions 31c are formed so that a slit which is open downward is provided, in order to allow yarns Y to be hooked by them.
  • the two hooking portions 31c are spaced apart from each other in the horizontal direction over the supporting portion 31a. As described later, the yarns Y are brought down to the first floor in such a way that the yarn bring-down member 31 is brought down while the yarns Y are hooked and retained by the two hooking portions 31c.
  • An upper end portion of the yarn bring-down member 31 is connected to a wire 36. Furthermore, to a plate-shaped supporting member 37 extending from the floor surface of the wagon main body 30, a first reel 38 is rotatably attached to wind the wire 36. The first reel 38 is rotationally driven by a first motor 39. Furthermore, a pin member 40 on which the wire 36 is hooked is attached to the supporting member 37, and hence the path of the wire 36 when the yarn bring-down member 31 is moved up or down is determined by the pin member 40. As the first reel 38 is rotated in the direction in which the wire 36 is drawn out, the yarn bring-down member 31 below the pin member 40 moves down. Meanwhile, as the first reel 38 is rotated in the direction in which the wire 36 is wound, the yarn bring-down member 31 moves up.
  • the guide member 32 guides the yarn bring-down member 31 in the up-down direction when the yarn bring-down member 31 moves up or down.
  • the guide member 32 is formed of a chain-type cableveyor (registered trademark) in which small elements 32a are rotatably connected to one another, and is flexible and woundable. As shown in FIG. 6 , each of the small elements 32a of the guide member 32 is C-shaped in cross section and open rightward (i.e., toward the yarn bring-down member 31). On the back surface (opposing the guide member 32) of the supporting portion 31a of the yarn bring-down member 31, engaging portions 31d (see, e.g., FIG. 3 ) are formed to be lined up in the up-down direction.
  • the yarn bring-down member 31 moves up or down with the guidance of the guide member 32, as each engaging portion 31d of the yarn bring-down member 31 moves in the up-down direction in the internal space of the small element 32a of the guide member 32, while being engaged with that small element 32a.
  • a second reel 41 is rotatably attached to the supporting member 37 in order to wind the guide member 32.
  • the second reel 41 is rotationally driven by a second motor 42.
  • a pin member 43 on which the guide member 32 is hooked is attached to the supporting member 37, and hence the path of the guide member 32 when the guide member 32 is moved up or down is determined by the pin member 43.
  • the guide member 32 below the pin member 43 moves down.
  • the guide member 32 moves up.
  • power is supplied from an unillustrated battery mounted on the wagon main body 30.
  • the internal space of the small element 32a is open upward, allowing the engaging portion 31d of the yarn bring-down member 31 to enter or leave the internal space of the small element 32a.
  • the small element 32a is not shown in the vicinity of the pin member 43 in order to show the pin member 43.
  • a positioning mechanism is formed by an engaging member 44 provided at a lower end portion of the guide member 32 and a positioning member 26 attached to a lower end portion of the inner wall of a cover member 8.
  • the engaging member 44 is shaped to be engaged with the positioning member 26 from above.
  • the yarn bring-down apparatus 5 When yarns are brought down by the yarn bring-down apparatus 5, to begin with, the yarn bring-down apparatus 5 is provided in the vicinity of an opening 2a which is formed below a target spinning apparatus 3. In so doing, as FIG. 3 shows, the yarn bring-down apparatus 5 is provided so that a contact portion 30a formed at a front end portion of the wagon main body 30 of the yarn bring-down apparatus 5 makes contact with a drop prevention wall 9 formed around the opening 2a. With this, the yarn bring-down apparatus 5 is positioned in the left-right direction in FIG. 3 .
  • a marker is provided at a suitable part of the partition floor 2 in order to help the positioning in the direction orthogonal to the plane of FIG. 3 .
  • the yarn bring-down apparatus 5 is positioned by causing the contact portion 30a of the wagon main body 30 to be in contact with the drop prevention wall 9 and moving the yarn bring-down apparatus 5 to the position indicated by the marker.
  • the guide member 32 is brought down as shown in FIG. 4 .
  • the engaging member 44 attached to the lower end portion of the guide member 32 is smoothly engaged with the positioning member 26 when the guide member 32 is brought down, with the result that the guide member 32 is fixed.
  • the yarn bring-down member 31 is brought down along the guide member 32 to position the holding portion 31b at a position below the lower end of the cover member 8 as shown in FIG. 5 .
  • the suction gun 33 is provided to suck and retain the yarns Y spun out from the spinning apparatus 3 when the yarn bring-down is carried out. While the suction gun 33 of the present embodiment is fixed to the wagon main body 30, the suction gun 33 may be detachable to the wagon main body 30.
  • the suction gun 33 is connected to a suction hose 33a. Meanwhile, in the vicinity of each opening 2a, a sucking adaptor 2b is provided to be connected to an unillustrated sucking power source of the spun yarn take-up system 1.
  • a suction force is generated at a suction port at the leading end of the suction gun 33.
  • the yarns Y sucked by the suction gun 33 are wasted to an unillustrated waste yarn box through a suction hose 33b which is different from the suction hose 33a.
  • the yarn threading apparatus 6 is a yarn threading robot controlled by a program.
  • the yarn threading apparatus 6 is arranged to be movable in the left-right direction (i.e., the direction orthogonal to the plane of FIG. 1 ) and has a yarn threading arm 6a which has a multi-joint section to be freely movable in a three-dimensional manner.
  • a cutter for cutting the yarns Y and a sucking section for sucking the yarns Y cut by the cutter are provided at a leading end portion of the yarn threading arm 6a.
  • the yarn threading apparatus 6 moves to a position in front of that spun yarn take-up apparatus 4 and performs yarn threading onto the two godet rollers 19 and 20 of the take-up unit 15 and onto the winding device 16.
  • FIG. 7 shows the spun yarn take-up system 1 before the guide member 32 is brought down.
  • FIG. 8 shows the spun yarn take-up system 1 when the guide member 32 has been brought down.
  • FIG. 9 shows the spun yarn take-up system 1 immediately before the yarn bring-down member 31 is brought down.
  • FIG. 10 shows the spun yarn take-up system 1 when the yarn bring-down member 31 has been brought down.
  • FIG. 11 shows the spun yarn take-up system 1 during yarn threading by the yarn threading apparatus 6.
  • the operator moves the yarn bring-down apparatus 5 to that spun yarn take-up apparatus 4 as shown in FIG. 3 and FIG. 7 .
  • the yarn bring-down apparatus 5 is suitably positioned so that the engaging member 44 is engaged with the positioning member 26 when the guide member 32 is brought down later.
  • the two hooking portions 31c of the yarn bring-down member 31 are lined up in the front-rear direction.
  • the controller 7 sends a yarn threading instruction to the yarn threading apparatus 6 to move the yarn threading apparatus 6 to the position corresponding to the spun yarn take-up apparatus 4.
  • the operator draws the guide member 32 out from the second reel 41 by driving the second motor 42 and takes down the guide member 32.
  • the guide member 32 passes through the opening 2a and moves further down, and eventually reaches the position where the engaging member 44 is engaged with the positioning member 26.
  • vibrations of the guide member 32 are prevented and hence the yarn bring-down member 31 is stably moved up and down along the guide member 32.
  • the operator hooks the yarns Y on a yarn threading tool T and moves the yarns Y, so as to place a part of each yarn Y between the suction gun 33 and the yarn threading tool T at a position directly under the holding portion 31b of the yarn bring-down member 31.
  • the yarn path is adjusted to cause the part of each yarn Y between the suction gun 33 and the yarn threading tool T to enter the two hooking portions 31c when the yarn bring-down member 31 is brought down.
  • the operator draws the wire 36 out from the first reel 38 by driving the first motor 39 and brings down the yarn bring-down member 31.
  • the yarns Y are hooked on the two hooking portions 31c of the yarn bring-down member 31, and are retained by the holding portion 31b.
  • the yarn bring-down apparatus 5 is positioned so that the two hooking portions 31c are lined up in the front-rear direction. For this reason, when the yarn bring-down member 31 is brought down, the yarn path from the yarn regulating guide 13 to the suction gun 33 via the holding portion 31b of the yarn bring-down apparatus 5 is V-shaped and open in the front-rear direction as shown in FIG. 10 .
  • the yarn threading apparatus 6 causes the yarn threading arm 6a to make contact with the yarns Ya between the yarn regulating guide 13 and the holding portion 31b of the yarn bring-down apparatus 5, from the front side of the spun yarn take-up apparatus 4. Then the yarns Ya are cut, sucked, and retained.
  • the yarns Ya on the upstream of the holding portion 31b are spaced apart from the yarns Yb on the downstream of the holding portion 31b in the front-rear direction as described above, it is possible to prevent the yarns Yb, which are different in the yarn running direction from the yarns Ya, from being cut, sucked and retained by the yarn threading apparatus 6 together with the yarns Ya.
  • the yarn threading apparatus 6 moves the yarn threading arm 6a to place the yarns Y onto the godet rollers 19 and 20 of the take-up unit 15 in order.
  • the operator moves up the yarn bring-down member 31 and the guide member 32 in order so that these members are returned to the wagon main body 30.
  • the yarn bring-down apparatus 5 of the present embodiment includes the wagon main body 30 configured to be movable on the second floor (upper floor) and the yarn bring-down member 31whih is provided in the wagon main body 30 and is capable of moving down to the first floor (lower floor) while retaining the yarns Y spun out from the spinning apparatus 3.
  • the yarn bring-down member 31 is provided in the wagon main body 30 which is movable on the second floor, yarn bring-down can be done at a suitable location by moving the wagon main body 30.
  • a plurality of hooking portions 31c are formed to be spaced apart from each other in a direction intersecting with the up-down direction (i.e., in the front-rear direction) and each to be able to hook the yarns Y.
  • the yarns Y are hooked on the hooking portions 31c, it is possible, above the hooking portions 31c, to cause the yarns Ya upstream of the hooking portions 31c to be spaced apart from the yarns Yb on the downstream.
  • the yarns Y are certainly handed over only from the yarns Ya on the upstream side, when the yarns Y are handed over at the first floor.
  • each of the hooking portions 31c forms a slit which is open downward, the yarns Y are hooked on the hooking portions 31c when the yarn bring-down member 31 is brought down, and hence the yarns are easily retained by the yarn bring-down member 31.
  • the yarn bring-down member 31 is connected to the wire 36 and the wagon main body 30 is provided with the first reel 38 by which the wire 36 is wound. As the wire 36 is drawn out from the first reel 38, the yarn bring-down member 31 is brought down. Furthermore, the apparatus is small in size because the wire 36 is wound on the first reel 38 in cases other than the yarn bring-down.
  • the first motor 39 (first driving unit) for rotationally driving the first reel 38 is provided in the wagon main body 30.
  • the yarn bring-down member 31 is therefore automatically moved up or down by driving the first motor 39, and this reduces the burden on the operator.
  • the first motor 39 functions as a brake, the wire 36 is not unintentionally drawn out by the weight of the yarn bring-down member 31, and hence the yarn bring-down member 31 is stably brought down.
  • the guide member 32 which is configured to guide the yarn bring-down member 31 in the up-down direction is provided in the wagon main body 30. This allows the yarn bring-down member 31 to be brought down along the guide member 32, and hence the yarn bring-down member 31 is stably brought down to a desired location.
  • the guide member 32 is flexible and woundable, and the wagon main body 30 is provided with the second reel 41 by which the guide member 32 is wound. As the guide member 32 is drawn out from the second reel 41, the guide member 32 is brought down. Furthermore, the apparatus is small in size because the guide member 32 is wound on the second reel 41 in cases other than the yarn bring-down.
  • the second motor 42 (second driving unit) for rotationally driving the second reel 41 is provided in the wagon main body 30.
  • the guide member 32 is therefore automatically moved up or down by driving the second motor 42, and this reduces the burden on the operator. Furthermore, as the second motor 42 functions as a brake, the guide member 32 is not unintentionally drawn out by the weight of the guide member 32, and hence the guide member 32 is stably brought down.
  • the wagon main body 30 is provided with the suction gun 33 (suction member) by which the yarns Y spun out from the spinning apparatus 3 are sucked.
  • the suction gun 33 sucks the yarns Y, it is easy to cause the yarn bring-down member 31 to retain the yarns Y.
  • the positioning member 26 (positioning portion) is provided on the first floor to position the guide member 32.
  • the engaging member 44 (engaging portion) which is positioned by being engaged with the positioning member 26 is provided.
  • the opening 2a allowing the yarns Y to pass therethrough is formed in the partition floor 2 provided between the second floor and the first floor, the tubular cover member 8 is provided at the periphery of the opening 2a to protrude downward from the partition floor 2, and the positioning member 26 is provided on the inner wall of the cover member 8.
  • the drop prevention wall 9 is provided at the periphery of the opening 2a to protrude upward from the partition floor 2, and the contact portion 30a is formed at the front end portion of the wagon main body 30 to be able to make contact with the drop prevention wall 9.
  • the guide member 32 is brought down along the inner wall of the cover member 8. It is therefore easy to position the wagon main body 30 in order to cause the guide member 32 to move along the inner wall of the cover member 8.
  • the yarn bring-down apparatus 5 in order to improve the workability of the yarn bring-down, is arranged to include the guide member 32 and the suction gun 33.
  • the guide member 32 and the suction gun 33 may be omitted.
  • first motor 39 configured to rotationally drive the first reel 38 and the second motor 42 configured to rotationally drive the second reel 41 are provided.
  • the first motor 39 and the second motor 42 may not be provided, and the first reel 38 and the second reel 41 may be manually rotated by the operator.
  • the guide member 32 is temporarily fixed as the engaging member 44 is engaged with the positioning member 26.
  • Such a positioning mechanism is not prerequisite.
  • the yarns Y brought down by the yarn bring-down apparatus 5 are handed over to the yarn threading apparatus 6.
  • the yarns Y brought down by the yarn bring-down apparatus 5 may be handed over to the yarn holding unit 14.
  • the yarns Y brought down by the yarn bring-down apparatus 5 may be handed over to a suction gun held by an operator on the first floor.
  • the pin member 40 by which the path of the wire 36 is determined and the pin member 43 by which the path of the guide member 32 is determined are fixed components.
  • each of these pin members may be a rotating body including a bearing or the like.
  • the pin member is a rotating body, the amount of friction against the wire 36 and the guide member 32 is decreased and the product life is elongated.
  • the yarn bring-down apparatus 5 is connected to the wire 36 and the first reel 38 provided in the wagon main body 30 winds the wire 36.
  • This, however, is not limited to the wire on condition that the first reel 38 is able to wind the same.
  • the guide member 32 by which the yarn bring-down member 31 is guided along the up-down direction is provided in the wagon main body 30.
  • the guide member 32 may be provided on the cover member 8 and the drop prevention wall 9, as long as the yarn bring-down member 31 is guided in the up-down direction.
  • a marker is provided at a suitable location of the partition floor 2 in order to help the positioning of the yarn bring-down apparatus 5 in the front-rear direction.
  • a guider such as a guide rail and a positioning pin may be provided for positioning. With the guider, the positioning of the yarn bring-down apparatus 5 is further accurately done.
  • the two hooking portions 31c of the yarn bring-down member 31 are lined up in the front-rear direction.
  • the hooking portions 31c may be lined up in a direction such as the left-right direction and an oblique direction instead of the front-rear direction, as long as the yarns Y held by the holding portion 31b can be handed over to the yarn threading apparatus 6 and the yarn holding unit 14.
  • the yarn bring-down apparatus 5 is positioned in the left-right direction in such a way that the contact portion 30a formed at the front end portion of the wagon main body 30 of the yarn bring-down apparatus 5 makes contact with the drop prevention wall 9 formed around the opening 2a, from the left.
  • from which side the contact portion 30a makes contact with the drop prevention wall 9 may be suitably changed.
  • the positioning in one direction in the horizontal plane is possible as long as the contact portion 30a makes contact with the drop prevention wall 9.
  • the yarn bring-down member 31 is stably brought down to a predetermined location when the yarn bring-down apparatus 5 makes contact with the drop prevention wall 9 in the front-rear direction so that the positioning is carried out in the front-rear direction.
  • the sucking adaptor 2b in the vicinity of each opening 2a, is provided to be connected to an unillustrated sucking power source of the spun yarn take-up system 1.
  • a sucking adaptor 2b may be provided for a plurality of spun yarn take-up apparatuses 4 in a shared manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP18166776.7A 2017-04-17 2018-04-11 Appareil de descente de fils et système de rattrapage de fil fin Active EP3392383B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017081488A JP6841710B2 (ja) 2017-04-17 2017-04-17 糸降ろし装置及び紡糸引取設備

Publications (2)

Publication Number Publication Date
EP3392383A1 true EP3392383A1 (fr) 2018-10-24
EP3392383B1 EP3392383B1 (fr) 2019-11-06

Family

ID=61971938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18166776.7A Active EP3392383B1 (fr) 2017-04-17 2018-04-11 Appareil de descente de fils et système de rattrapage de fil fin

Country Status (4)

Country Link
EP (1) EP3392383B1 (fr)
JP (1) JP6841710B2 (fr)
CN (1) CN108728919B (fr)
TW (1) TWI716678B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017004193A1 (de) * 2017-04-28 2018-10-31 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zum Anlegen mehrerer gesponnener Fäden
JP7253431B2 (ja) * 2019-04-16 2023-04-06 Ｔｍｔマシナリー株式会社 紡糸引取設備

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043718A (en) * 1974-10-03 1977-08-23 Teijin Limited Spinning apparatus with retractable suction gun
DE10117087A1 (de) * 2000-04-06 2001-10-11 Barmag Barmer Maschf Vorrichtung zum Schmelzspinnen
US20090049669A1 (en) * 2006-05-08 2009-02-26 Oerlikon Textile Gmbh & Co. Kg Spinning, drawing and texturing machine
WO2015198698A1 (fr) 2014-06-23 2015-12-30 Ｔｍｔマシナリー株式会社 Dispositif d'enroulement de filage

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Publication number Priority date Publication date Assignee Title
JPS5164016A (ja) * 1974-11-28 1976-06-03 Teijin Ltd Chokusetsuboshenshinkenshukukakosochi
FR2404589A1 (fr) * 1977-10-03 1979-04-27 Rhone Poulenc Textile Procede et dispositif de transfert de fil textile
JPS53144909U (fr) * 1978-05-17 1978-11-15
US4206883A (en) * 1978-10-03 1980-06-10 Rhone-Poulenc-Textile Method and apparatus for transferring textile yarns from a first treatment zone to a second
US4427158A (en) * 1982-06-11 1984-01-24 Fiber Industries, Inc. Apparatus for removing filled packages from a filament winder and installing empty tubes on the winder
US4555067A (en) * 1984-05-24 1985-11-26 E. I. Du Pont De Nemours And Company Textile doff servant
DE4409940A1 (de) * 1994-03-23 1995-10-12 Hoechst Ag Verfahren zum Verstrecken von Filamentbündeln in Form eines Fadenvorhanges, dafür geeignete Vorrichtung sowie deren Verwendung zur Herstellung von Spinnvliesen
US5678778A (en) * 1995-03-24 1997-10-21 Windings, Inc. High speed, dual head, on-line winding apparatus
CN2552952Y (zh) * 2002-06-26 2003-05-28 宜宾丝丽雅股份有限公司 半连续离心纺丝机无落丝废丝纺丝机构
CN100510207C (zh) * 2006-02-27 2009-07-08 宜宾丝丽雅股份有限公司 一种一锭三丝纺粘胶长丝半连续离心纺丝工艺及其纺丝机
CN101929035B (zh) * 2009-06-24 2011-11-16 中国科学院理化技术研究所 经纬双向静电纺丝制膜设备及设备的应用方法
WO2011070184A1 (fr) * 2009-12-11 2011-06-16 Fernie, S.L. Installation de récupération de câble
CN101812735B (zh) * 2010-05-10 2011-11-23 江苏神泰科技发展有限公司 高强高模聚乙烯纤维冷却水槽
CN104213227A (zh) * 2014-08-19 2014-12-17 北京三联虹普新合纤技术服务股份有限公司 一种16.7-33dtex尼龙6全牵伸纤维单丝生产工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043718A (en) * 1974-10-03 1977-08-23 Teijin Limited Spinning apparatus with retractable suction gun
DE10117087A1 (de) * 2000-04-06 2001-10-11 Barmag Barmer Maschf Vorrichtung zum Schmelzspinnen
US20090049669A1 (en) * 2006-05-08 2009-02-26 Oerlikon Textile Gmbh & Co. Kg Spinning, drawing and texturing machine
WO2015198698A1 (fr) 2014-06-23 2015-12-30 Ｔｍｔマシナリー株式会社 Dispositif d'enroulement de filage

Also Published As

Publication number Publication date
JP6841710B2 (ja) 2021-03-10
JP2018178318A (ja) 2018-11-15
CN108728919A (zh) 2018-11-02
TWI716678B (zh) 2021-01-21
EP3392383B1 (fr) 2019-11-06
TW201839194A (zh) 2018-11-01
CN108728919B (zh) 2022-03-22

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