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EP3162923B1 - Aufnahmevorrichtung für gesponnenes garn - Google Patents

Aufnahmevorrichtung für gesponnenes garn Download PDF

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Publication number
EP3162923B1
EP3162923B1 EP16194793.2A EP16194793A EP3162923B1 EP 3162923 B1 EP3162923 B1 EP 3162923B1 EP 16194793 A EP16194793 A EP 16194793A EP 3162923 B1 EP3162923 B1 EP 3162923B1
Authority
EP
European Patent Office
Prior art keywords
yarn
yarns
take
unit
spun
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
EP16194793.2A
Other languages
English (en)
French (fr)
Other versions
EP3162923A1 (de
Inventor
Masaaki HIOKI
Fumiyuki Shimoda
Kinzo Hashimoto
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 EP3162923A1 publication Critical patent/EP3162923A1/de
Application granted granted Critical
Publication of EP3162923B1 publication Critical patent/EP3162923B1/de
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
    • B65H51/00—Forwarding filamentary material
    • B65H51/16—Devices for entraining material by flow of liquids or gases, e.g. air-blast devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/32—Supporting or driving arrangements for forwarding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/86—Arrangements for taking-up waste material before or after winding or depositing
    • B65H54/88—Arrangements for taking-up waste material before or after winding or depositing by means of pneumatic arrangements, e.g. suction guns
    • 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
    • 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • 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
    • B65H2701/313—Synthetic polymer threads
    • B65H2701/3132—Synthetic polymer threads extruded from spinnerets

Definitions

  • the present invention relates to a spun yarn take-up apparatus configured to take up yarns spun out from a spinning apparatus.
  • Patent Literature 1 Japanese Unexamined Patent Publication No. 54-88315 recites an apparatus configured to take up yarns spun out from a spinning apparatus.
  • This apparatus includes a supplying roller and a drawing roller provided below the spinning apparatus and a winding unit (spindle) provided below these rollers.
  • the yarns spun out from the spinning apparatus are drawn between the supplying roller and the drawing roller and each of the yarns is wound by a winding unit.
  • DE 101 17 087 A1 is related to the preamble of claim 1.
  • the yarns spun out from the spinning apparatus are wound onto the supplying roller and the drawing roller provided at a first processing area
  • the yarns are moved to a second processing area below and are wound onto the winding unit provided in the second processing area.
  • an operator places the yarns wound onto the drawing roller onto a guide roller which is movable between the first processing area and the second processing area, while retaining the yarns by using a suction gun. Thereafter, the operator moves the guide roller from the first processing area to the second processing area. After moving the guide roller to the second processing area, the operator operates a catching nozzle in the second processing area to catch the yarns wound onto the guide roller, and winds the yarns onto the winding unit.
  • the operator catches the yarns by sucking, by using the catching nozzle, the yarn part on the upstream of the guide roller. In so doing, if the yarn part on the upstream of the guide roller and the yarn part on the downstream of the guide roller are close to each other, the yarn part on the downstream may be erroneously sucked together with the yarn part on the upstream, with the result that handover of the yarns to the catching nozzle may be failed.
  • the guide roller is considerably upsized, the distance between the yarn part on the upstream and the yarn part on the downstream is long, and hence the handover of the yarns is possible in the vicinity of the guide roller.
  • the entire apparatus for taking the yarns down is large, too.
  • the guide roller is a free rotary roller not having a driving power source, the contact resistance between the yarns and the roller is high when the roller is large, with the result that the success rate of the handover of the yarns is low due to yarn breakage.
  • An object of the present invention is to improve the success rate of handover of yarns which are taken down by a yarn take-down device.
  • a spun yarn take-up apparatus taking up yarns spun out from a spinning apparatus provided in a first yarn processing space includes: a take-up unit provided in a second yarn processing space below the first yarn processing space and configured to take up the yarns spun out from the spinning apparatus; a first yarn sucking unit provided in the first yarn processing space and configured to suck and retain the yarns spun out from the spinning apparatus; and a yarn take-down device configured to take the yarns retained by the first yarn sucking unit down from the first yarn processing space to the second yarn processing space, the yarn take-down device including yarn threading portions which are provided at intervals in a direction intersecting with an up-down direction, each of the yarns being threaded onto the yarn threading portions in order.
  • the yarns from the spinning apparatus are sucked by the first yarn sucking unit, and the sucked yarns are threaded onto the yarn threading portions of the yarn take-down device. Then the yarn take-down device moves down toward the yarn holding unit in the second yarn processing space. At this stage, each yarn forms a yarn path which extends from the first yarn processing space to the first yarn sucking unit in the first yarn processing space via the yarn take-down device in the second yarn processing space.
  • the yarn take-down device includes yarn threading portions which are provided at intervals in a direction intersecting with the up-down direction. As the yarn is threaded onto the yarn threading portions, the yarn part on the upstream of the yarn take-down device is distanced from the yarn part on the downstream of the yarn take-down device. This prevents a yarn from being erroneously captured at two parts, with the result that the success rate of the handover of the yarn is improved. Furthermore, because each yarn is threaded onto the plural yarn threading portions, each yarn is captured at various positions. The design freedom of a tool for receiving the yarns used in the handover of the yarns is improved, and the success rate of the handover of the yarns is not deteriorated.
  • the spun yarn take-up apparatus of the first aspect is arranged such that the distance between two yarn threading portions which are outermost ones in the intersecting direction among the yarn threading portions is 30mm or longer.
  • the spun yarn take-up apparatus of the second aspect is arranged such that the distance between two yarn threading portions which are outermost ones in the intersecting direction among the yarn threading portions is 120mm or longer.
  • the distance between the outermost ones of the yarn threading portions is 30mm or longer, and more preferably 120mm or longer. With this, the distance between the two yarns parts threaded onto the outermost yarn threading portions is long. This certainly prevents a single yarn from being erroneously captured at two parts. Furthermore, the yarn is easily captured between the two yarn threading portions.
  • the spun yarn take-up apparatus of any one of the first to third aspects is arranged such that, the yarn take-down device takes the yarns down to a position which is in the second yarn processing space and is deviated from a yarn path when the yarns are taken up by the take-up unit.
  • the yarn take-down device takes the yarns down to the position which is in the second yarn processing space and is deviated from the yarn path when the yarns are taken up by the take-up unit (i.e., the yarn path in yarn production) .
  • the yarn take-down device when the yarn take-down device is returned to the first yarn processing space after the handover of the yarns in the second yarn processing space, the yarn take-down device does not interfere with the yarns threaded onto the take-up unit.
  • the spun yarn take-up apparatus of the fourth aspect further includes a yarn convergence guide which is provided in the first yarn processing space and is configured to converge the yarns taken down by the yarn take-down device.
  • the yarns sucked by the first yarn sucking unit are converged by the yarn convergence guide, the yarns are threaded in a converged manner onto the yarn threading portions of the yarn take-down device, with the result that yarn threading becomes easy. Furthermore, the yarns are less likely to be scattered when took down by the yarn take-down device.
  • the spun yarn take-up apparatus of the fourth or fifth aspect further includes a yarn holding unit which is provided in the second yarn processing space and sucks and retains the yarns supplied from the spinning apparatus, the yarn holding unit being capable of sucking the yarns taken down to the position deviated from the yarn path by the yarn take-down device.
  • the yarn holding unit in the second yarn processing space temporarily retains the yarns serially spun out from the spinning apparatus, when, for example, a malfunction occurs in the apparatus.
  • the yarn holding unit is therefore provided in the vicinity of the yarn path in yarn production.
  • the yarns are taken down by the yarn take-down device to a position which is deviated from the yarn path in yarn production in the second yarn processing space.
  • the yarn holding unit is arranged to be capable of sucking the yarns taken down to the position deviated from the yarn path. For this reason, the yarn threading unit receiving the yarns or the operator is not required to wait in the second yarn processing space in advance, when the yarns Y are taken down to the second yarn processing space. In other words, the operator working in the first yarn processing space is allowed to take yarns down at any timing, no matter whether the yarn threading unit or the operator is on standby in the second yarn processing space.
  • the spun yarn take-up apparatus of the sixth aspect is arranged such that the yarn holding unit includes a cutter by which the yarns are cut and a second yarn sucking unit configured to suck the yarns cut by the cutter, the cutter and the second yarn sucking unit being capable of moving close to and away from the yarns taken down by the yarn take-down device.
  • the cutter of the yarn holding unit moves toward the yarns and cuts the yarns. Furthermore, the yarns having been cut by the cutter are sucked by the second yarn sucking unit which moves together with the cutter. With this, even if the yarns are taken by the yarn take-down device down to a position deviated from the yarn path in yarn production, the yarn holding unit is able to suck the yarns.
  • the spun yarn take-up apparatus of the sixth aspect further includes a shifting unit configured to move, toward the yarn holding unit, the yarns taken down by the yarn take-down device.
  • the shifting unit moves the yarns toward the yarn holding unit. With this, even if the yarns are taken by the yarn take-down device down to a position deviated from the yarn path in yarn production, the yarn holding unit is able to suck the yarns.
  • the spun yarn take-up apparatus of any one of the sixth to eighth aspects is arranged such that the yarn holding unit cuts the yarns between the spinning apparatus and the yarn take-down device and receives the yarns.
  • the yarn holding unit cuts the yarn part of each yarn between the spinning apparatus and the yarn take-down device, i.e., the yarn part on the upstream of the yarn take-down device.
  • the yarn take-down device includes plural yarn threading portions, and there is a distance in each yarn between the yarn part on the upstream of the yarn take-down device and the yarn part on the downstream of the yarn take-down device.
  • the yarn part on the downstream side is less likely to be cut together with the yarn part on the upstream side.
  • the spun yarn take-up apparatus of any one of the sixth to eighth aspects is arranged such that the yarn holding unit cuts the yarns between neighboring two of the yarn threading portions and receives the yarns.
  • the spun yarn take-up apparatus of any one of the first to tenth aspects is arranged such that the first yarn sucking unit is portable.
  • the term "portable" indicates that the operator is able to freely carry the first yarn sucking unit to various workplaces.
  • the first yarn sucking unit finishes its role.
  • the first yarn sucking unit may be moved to a suitable workplace and used for another operation.
  • the spun yarn take-up apparatus of any one of the first to eleventh aspects further includes a yarn threading unit which is provided in the second yarn processing space and is configured to cut and receive the yarns taken down by the yarn take-down device and thread the received yarns onto the take-up unit.
  • the yarns taken down to the second yarn processing space by the yarn take-down device are handed to the yarn threading unit, and is threaded onto the take-up unit by the yarn threading unit.
  • the spun yarn take-up apparatus of the twentieth aspect is arranged such that the yarn threading unit cuts the yarns between the spinning apparatus and the yarn take-down device and receives the yarns.
  • the yarn threading unit cuts the yarn part of each yarn between the spinning apparatus and the yarn take-down device, i.e., the yarn part on the upstream of the yarn take-down device.
  • the yarn take-down device includes plural yarn threading portions, and there is a distance in each yarn between the yarn part on the upstream of the yarn take-down device and the yarn part on the downstream of the yarn take-down device.
  • the yarn part on the downstream side is less likely to be cut together with the yarn part on the upstream side.
  • the spun yarn take-up apparatus of the twentieth aspect is arranged such that the yarn threading unit cuts the yarns between neighboring two of the yarn threading portions and receives the yarns.
  • FIG. 1 is a profile of a spun yarn take-up apparatus 1 of the present embodiment.
  • FIG. 2 is a block diagram which schematically shows a control system of the spun yarn take-up apparatus 1.
  • the spun yarn take-up apparatus 1 takes up synthetic fiber yarns Y spun out from a spinning apparatus 2 and forms packages P by winding the yarns Y onto bobbins B, respectively. Though illustration is omitted, plural spun yarn take-up apparatuses 1 are lined up in the direction orthogonal to the plane of FIG. 1 .
  • the up-down direction in FIG. 1 will be referred to as an up-down direction of the spun yarn take-up apparatus 1, the direction which is orthogonal to the plane of FIG. 1 and in which the spun yarn take-up apparatuses 1 are lined up will be referred to as a left-right direction of the spun yarn take-up apparatus, and the left-right direction in FIG. 1 will be referred to as a front-back direction of the spun yarn take-up apparatus 1.
  • the spun yarn take-up apparatus 1 of the present embodiment includes members such as a yarn take-down device 4, a yarn holding unit 5, a take-up unit 6, a winding device 7, and a controller 8.
  • the internal space of the building in which the spinning apparatus 2 and the spun yarn take-up apparatus 1 are provided is partitioned into an upper floor and a lower floor (second floor and first floor) by a partition wall 9.
  • the spinning apparatus 2 and a part (e.g., the yarn take-down device 4) of the spun yarn take-up apparatus 1 are provided on the second floor of the building (i.e., a first yarn processing space in the present invention).
  • the remaining part e.g., the yarn holding unit 5, the take-up unit 6, and the winding device 7 of the spun yarn take-up apparatus 1 are provided on the first floor of the building.
  • a yarn threading unit 23 shared between the spun yarn take-up apparatuses 1 is provided to be movable in the left-right direction (i.e., the direction orthogonal to the plane of FIG. 1 ).
  • a spinning pack 10 having a spinneret 10a is attached to the spinning apparatus 2 on the second floor.
  • molten polymer which is supplied from a polymer supplier (not illustrated) formed of a gear pump or the like and is hot is pushed out from the spinneret 10a, yarns Y are spun out from the spinneret 10a.
  • a cooling unit 3 is provided Immediately below the spinning apparatus 2, The yarns Y spun out from the spinneret 10a are solidified as they are cooled by gas supplied from a duct 12 while passing through a spun yarn tube 11 of the cooling unit 3.
  • an oil guide 13 and a yarn regulating guide 14 are provided below the spinning apparatus 2.
  • oil is applied at the oil guide 13.
  • the yarn regulating guide 14 below the oil guide 13 is provided for regulating the yarn path of the yarns Y to which oil is applied at the oil guide 13.
  • the yarn take-down device 4 On the second floor of the building, the yarn take-down device 4 is further provided. This yarn take-down device 4 is provided for taking the yarns Y spun out from the spinning apparatus 2 down to the first floor on which the take-up unit 6 and the winding device 7 are provided, at the time of preparation operations (e.g., yarn threading) before the start of the production of packages P. The details of the yarn take-down device 4 will be given later.
  • a yarn passing hole 9a is formed to allow the yarns Y spun out from the spinning apparatus 2 to pass therethrough.
  • a cover 60 is provided below the yarn passing hole 9a to prevent the occurrence of yarn swing or the like.
  • the yarn holding unit 5 is fixedly provided at a position immediately below the yarn passing hole 9a of the partition wall 9.
  • this yarn holding unit 5 cuts the yarns Y spun out from the spinning apparatus 2 and temporarily retains them until the trouble or the like is resolved.
  • the yarn holding unit 5 is provided in the vicinity of a yarn path YP in yarn production when the yarns Y from the spinning apparatus 2 are taken up by the take-up unit 6, and is provided to overlap with the yarn path YP in the left-right direction.
  • FIG. 3 is a front view (left side view in FIG. 1 ) of the yarn holding unit 5 shown in FIG. 1 .
  • the yarn holding unit 5 includes a holder 20, a sucking pipe 21, and a cutter 22.
  • the sucking pipe 21 is provided in the holder 20.
  • This sucking pipe 21 is connected with a fluid cylinder 27 (see FIG. 2 ).
  • the fluid cylinder 27 is driven by pressure fluid supplied from a fluid supplying unit 28. By the fluid cylinder 27, the sucking pipe 21 is driven to advance and retract in the left-right direction and move in and out of the holder 20.
  • the cutter 22 is provided at a leading end portion of the sucking pipe 21.
  • the yarn holding unit 5 is driven as follows. To begin with, when the fluid cylinder 27 is driven in a waiting state shown in FIG. 3(a) and the sucking pipe 21 advances rightward in which direction the yarns Y run as shown in FIG. 3(b) , the yarns Y are serially cut by the cutter 22 at the leading end portion of the sucking pipe 21. The yarns Y having been cut are sucked into the sucking pipe 21 through an opening at the leading end and are retained. After the sucking pipe 21 sucks the yarns Y, as shown in FIG. 3(c) , the sucking pipe 21 is driven to retract leftward by the fluid cylinder 27.
  • the yarns Y spun out from the spinning apparatus 2 are retained by the yarn holding unit 5, the yarns Y are not sent to the take-up unit 6 and the winding device 7 which are on the downstream side. This allows the operator to perform operations such as trouble shooting of the take-up unit 6 or the winding device 7.
  • the yarns Y retained by the yarn holding unit 5 are handed to the yarn threading unit 23, and yarn threading onto the take-up unit 6 and the winding device 7 is carried out by the yarn threading unit 23.
  • the operator may receive the yarns Y from the yarn holding unit 5 by using the suction gun and perform the yarn threading.
  • the take-up unit 6 takes up the yarns Y coming down from the second floor through the yarn passing hole 9a which is formed through the partition wall 9.
  • the take-up unit 6 includes two godet rollers 15 and 16.
  • the two godet rollers 15 and 16 are rotationally driven by motors 17 and 18 (see FIG. 2 ), respectively.
  • the take-up unit 6 sends the yarns Y from the spinning apparatus 2 to the winding device 7.
  • the godet roller 15 on the upstream in the yarn running direction is provided at a position substantially immediately below the yarn holding unit 5.
  • the godet roller 16 on the downstream in the yarn running direction is arranged to be movable between a position for yarn placement close to the godet roller 15 (i.e., a position indicated by two-dot chain lines in FIG. 1 ) and a position for yarn production immediately above the winding device 7 (i.e., a position indicated by full lines in FIG. 1 ).
  • the positional switching of the godet roller 16 is carried out by a positional switching mechanism which has an appropriate arrangement including a positional switching motor 19 (see FIG. 2 ).
  • the positional switching mechanism moves the godet roller 16 to the lower yarn placement position to facilitate the yarn placement.
  • the positional switching mechanism moves the godet roller 16 up from the yarn placement position to the yarn production position.
  • the winding device 7 includes members such as a turret 30, two bobbin holders 31, a traverse unit 32, and a contact roller 33.
  • the two bobbin holders 31 are rotatably supported.
  • the traverse unit 32 includes traverse guides 32a which correspond to the respective bobbins B attached to the bobbin holder 31.
  • the contact roller 33 makes contact with the packages P formed on the upper bobbin holder 31 to apply contact pressure to each package P.
  • the yarn threading unit 23 is a yarn threading robot controlled by a program.
  • the yarn threading unit 23 includes a main body 24 which is movable in the left-right direction (i.e., the direction orthogonal to the plane of FIG. 1 ) and a yarn threading arm 25 which is provided on the main body and has a multi-joint section to be freely movable in a three-dimensional manner.
  • a cutter 54 for cutting the yarns Y and a yarn sucking section 55 for sucking the yarns Y cut by the cutter 54 are provided (see FIG. 12 and FIG. 13 ).
  • the yarn threading unit 23 moves to a position forward of that spun yarn take-up apparatus 1 and performs yarn placement onto the two godet rollers 15 and 16 of the take-up unit 6 and onto the winding device 7.
  • the controller 8 controls the overall operation of the spun yarn take-up apparatus 1. As shown in FIG. 2 , the controller 8 receives signals from a winding controller 35 controlling the winding device 7, sensors, and switches. Furthermore, the controller 8 controls the rotation of the godet rollers 15 and 16 driven by the motors 17 and 18. Furthermore, the controller 8 controls the positional switching motor 19 to perform positional switching of the godet roller 16. Furthermore, the controller 8 controls the driving of the yarn holding unit 5 by the fluid cylinder 27, the later-described moving up and moving down of the yarn take-down device 4 by an elevation cylinder 40, the yarn threading by the yarn threading unit 23 (see FIG. 12 ), and so on.
  • FIG. 4 shows an upper structure of the spun yarn take-up apparatus 1 including the yarn take-down device 4.
  • FIG. 5 is a perspective view of the yarn take-down device 4.
  • an elevation cylinder 40 is provided to extend from the second floor of the building to a position in the vicinity of the yarn holding unit 5 on the first floor, through the yarn passing hole 9a of the partition wall 9.
  • the yarn take-down device 4 is attached to the elevation cylinder 40 and is movable between an upper limit position (indicated by full lines in FIG. 4 ) on the second floor and a lower limit position (indicated by two-dot chain lines in FIG. 4 ) in the vicinity of the yarn holding unit 5 on the first floor.
  • the yarn take-down device 4 includes a pipe member 41 and two yarn threading portions 42.
  • the pipe member 41 extends substantially horizontally (front-back direction) and is attached, at its back end portion, to the elevation cylinder 40 via a connection member 43.
  • Each yarn threading portion 42 is a yarn guide fixedly provided on the pipe member 41.
  • the two yarn threading portions 42 are attached to the pipe member 41 with an interval in the front-back direction.
  • the distance L in the front-back direction between the two yarn threading portions 42 is, for example, preferably 30mm or longer, and more preferably 120mm or longer.
  • an operation switch 50 for operating the elevation cylinder 40 is provided on the second floor of the building.
  • each yarn Y from the spinning apparatus 2 runs on a yarn path YP (hereinafter, the yarn path in yarn production) extending straight down toward the godet roller 15 via the guides 13 and 14 and the yarn holding unit 5.
  • YP the yarn path in yarn production
  • the yarn take-down device 4 moves up and down along a passage which is deviated backward from the yarn path YP in yarn production, and takes the yarns Y down to a position deviated from the yarn path YP when the yarn take-down device 4 reaches the first floor.
  • a yarn sucking device 47 (first yarn sucking unit of the present invention) is provided. This yarn sucking device 47 sucks the yarns Y spun out from the spinning apparatus 2 in order to temporarily retain the yarns Y when the yarn take-down device 4 takes the yarns Y down to the first floor.
  • the yarn sucking device 47 may be able to come close to and move away from the yarn passing hole 9a.
  • the yarn sucking device 47 is provided around the yarn passing hole 9a only when the yarns are taken down, and the yarn sucking device 47 is moved away from the yarn passing hole 9a in other cases to avoid interference.
  • a yarn convergence guide 46 is provided to protrude to a position above the yarn passing hole 9a of the partition wall 9. This yarn convergence guide 46 is configured to converge the yarns Y sucked by the yarn sucking device 47.
  • an elevation detection sensor 48 is provided to detect that the yarn take-down device 4 is at the upper limit position.
  • a depression detection sensor 49 is provided to detect that the yarn take-down device 4 reaches the lower limit position.
  • the elevation detection sensor 48 and the depression detection sensor 49 are not limited to any particular sensors. For example, a contact sensor or a non-contact sensor can be employed as each of these sensors.
  • a yarn shifting member 45 shifts the yarns Y taken down to a position deviated from the yarn path YP in yarn production, toward the yarn holding unit 5 which is in the vicinity of the yarn path YP.
  • the yarn shifting member 45 is driven by a yarn shifting driver 53 (see FIG. 2 ) formed of a cylinder, a motor, or the like and is swingable within the horizontal plane between a retracted position where no interference with the yarns Y occurs ( FIG. 4 ) and a yarn shifting position where the yarns Y are shifted toward the yarn holding unit 5 ( FIG. 14 ).
  • the operator stands at a position backward of the yarn passing hole 9a of the partition wall 9 on the second floor, and the operator performs operations such as cleaning of the spinning apparatus 2 and those related to the yarn take-down device 4.
  • the yarn threading unit 23 is provided to be movable in the left-right direction (the direction orthogonal to the plane of FIG. 1 ).
  • the yarn threading unit 23 When receiving a yarn threading requirement signal from a spun yarn take-up apparatus 1, the yarn threading unit 23 moves to that apparatus. The yarn threading unit 23 then receives the yarns Y taken down by the yarn take-down device 4 and places the yarns Y onto the two godet rollers 15 and 16 of the take-up unit 6.
  • FIG. 6 shows the spun yarn take-up apparatus 1 immediately after the start of spinning.
  • the first one of these operations is cleaning of the spinneret 10a of the spinning pack 10. This is an operation to remove deposits on the spinneret 10a and spray silicone onto the spinneret 10a. This operation is performed almost everyday, for example.
  • Another operation is replacement of the spinning pack 10. In an apparatus producing yarns for cloths, this operation is performed about once in a week, for example. After these operations, to start the production again, it is necessary to thread the yarns Y spun out from the spinneret 10a, from the guides 13 and 14 to the take-up unit 6 and the winding device 7 in order.
  • the operator on the second floor places an inclined plate 51 at a position below the cooling unit 3.
  • This inclined plate 51 is provided to receive polymer 52 in order to prevent the polymer 52 flowing out from the spinneret 10a from dropping to the first floor during the preparations.
  • the yarn sucking device 47 provided around the yarn passing hole 9a of the partition wall 9 may obstruct the placement of the inclined plate 51.
  • the yarn sucking device 47 is preferably moved from around the yarn passing hole 9a to a remote position in advance.
  • FIG. 7 shows the spun yarn take-up apparatus 1 when the yarns are retained by the yarn sucking device.
  • FIG. 8 shows the spun yarn take-up apparatus 1 when the yarns are threaded onto the oil guide 13 and the yarn regulating guide 14.
  • FIG. 9 shows the spun yarn take-up apparatus 1 when the yarns are threaded onto the yarn convergence guide 46.
  • FIG. 10 shows the spun yarn take-up apparatus 1 immediately before the take down of the yarns.
  • the operator on the second floor guides the yarns Y spun out from the spinneret 10a to the yarn sucking device 47 backward of the yarn passing hole 9a, and causes the yarn sucking device 47 to suck and retain the yarns Y, as shown in FIG. 7 .
  • the inclined plate 51 is detached.
  • the operator threads the yarns Y spun out from the spinneret 10a onto the oil guide 13 and the yarn regulating guide 14.
  • the yarns Y being sucked by the yarn sucking device 47 are threaded onto the yarn convergence guide 46 protruding to the yarn passing hole 9a, at a position slightly forward of the yarn sucking device 47. With this, the yarns Y being sucked by the yarn sucking device 47 are converged. Furthermore, as shown in FIG. 10 , the converged yarns Y are serially threaded onto the two yarn threading portions 42 of the yarn take-down device 4.
  • the yarns Y sucked by the yarn sucking device 47 are threaded onto the yarn convergence guide 46 and converted, the yarns Y are threaded onto the two yarn threading portions 42 in the converged state, with the result that yarn threading becomes easy. Furthermore, the yarns Y are less likely to be scattered when took down by the yarn take-down device 4.
  • the operator on the second floor operates the operation switch 50 for yarn take down.
  • the controller 8 controls the fluid supplying unit 44 (see FIG. 2 ) and drives the elevation cylinder 40, with the result that the yarn take-down device 4 moves down.
  • FIG. 11 shows the spun yarn take-up apparatus 1 immediately after the depression of the yarn take-down device 4.
  • the yarn take-down device 4 moves down from the second floor through the yarn passing hole 9a of the partition wall 9, so that the yarns Y retained by the yarn take-down device 4 are taken down to the first floor.
  • the yarns Y form a substantially V-shaped yarn path which extends from the spinning apparatus 2 on the second floor to the yarn sucking device 47 on the second floor via the yarn take-down device 4 on the first floor.
  • the yarn take-down device 4 moves down along the passage backward of the yarn path YP in yarn production, the yarns Y retained by the yarn take-down device 4 are taken down to a position backward of the yarn path YP.
  • the controller 8 stops the move down of the yarn take-down device 4 by the elevation cylinder 40, and causes the yarn take-down device 4 to wait at the lower limit position for a predetermined waiting time.
  • the waiting time is suitably set in accordance with a later-described time which is required for handing the yarns Y to the yarn threading unit 23 or the yarn holding unit 5.
  • the yarns Y taken down to the first floor by the yarn take-down device 4 are handed to the yarn threading unit 23 to be threaded onto the take-up unit 6.
  • the yarns Y are directly handed from the yarn take-down device 4 to the yarn threading unit 23.
  • the yarns Y are passed to the yarn holding unit 5 and then handed from the yarn holding unit 5 to the yarn threading unit 23 after the yarn threading unit 23 moves to the position. Whether the yarns Y taken down by the yarn take-down device 4 are handed to the yarn threading unit 23 or to the yarn holding unit 5 is determined by the controller 8 based on the positional information of the yarn threading unit 23.
  • FIG. 12 shows the spun yarn take-up apparatus 1 when the yarns are handed to the yarn threading unit 23.
  • FIG. 13 shows the spun yarn take-up apparatus 1 when the yarns are threaded by the yarn threading unit 23.
  • the controller 8 Upon receiving the detection signal from the depression detection sensor 49, the controller 8 causes the yarn threading unit 23 to receive the yarns Y from the yarn take-down device 4.
  • the cutter 54 and the yarn sucking unit 55 are provided at the leading end portion of the yarn threading arm 25 of the yarn threading unit 23, the cutter 54 and the yarn sucking unit 55 are provided.
  • the yarn threading unit 23 moves the leading end portion of the yarn threading arm 25 to a position between the spinning apparatus 2 and the yarn take-down device 4, i.e., a position on the upstream of the yarn threading portion 42 on the front side (on the upstream in the yarn running direction) .
  • the cutter 54 is driven at this position, with the result that each of the yarns Y is cut at a yarn part Ya which is on the upstream of the yarn take-down device 4.
  • the yarns Y having been cut are sucked into the yarn sucking unit 55 in the vicinity of the cutter 54 and are retained.
  • the yarn take-down device 4 is provided with two yarn threading portions 42, as shown in FIG. 12 , the distance between the yarn part Ya on the upstream of the yarn take-down device 4 and the yarn part Yb on the downstream of the yarn take-down device 4 is long in each yarn Y.
  • the yarn part Ya on the upstream side is cut by the yarn threading unit 23
  • the yarn part Yb on the downstream side is less likely to be cut together with the yarn part Ya.
  • the yarn threading unit 23 operates the yarn threading arm 25 to place the yarns Y onto the godet rollers 15 and 16 of the take-up unit 6 in order.
  • the yarn take-down device 4 is no longer required to be on the first floor.
  • the controller 8 moves up the yarn take-down device 4 back to the second floor by the elevation cylinder 40.
  • the yarn take-down device 4 may not automatically return to the second floor but manually return to the second floor as the operator operates the operation switch 50.
  • the yarn take-down device 4 moves up and down along the passage backward of the yarn path YP in yarn production on the first floor, and takes the yarns Y down to a position deviated from the yarn path YP. For this reason, even if the yarns Y are handed to the yarn threading unit 23 on the first floor and the yarn take-down device 4 is moved back to the second floor while the yarns Y are threaded onto the take-up unit 6, the yarn take-down device 4 does not interfere with the yarns Y threaded onto the take-up unit 6.
  • FIG. 14 shows the spun yarn take-up apparatus 1 when the yarns are handed to the yarn holding unit 5.
  • FIG. 15 shows the spun yarn take-up apparatus 1 after the completion of the handover of the yarns to the yarn holding unit 5.
  • the controller 8 Upon receiving the detection signal from the depression detection sensor 49, the controller 8 sends a control signal to the yarn shifting driver 53 (see FIG. 2 ) which swings the yarn shifting member 45 and to the yarn holding unit 5, so as to cause them to perform the handover of the yarns Y to the yarn holding unit 5.
  • the yarn shifting driver 53 swings the yarn shifting member 45 from the retracted position shown in FIG. 11 to the yarn shifting position shown in FIG. 14 .
  • the yarns Y taken down by the yarn take-down device 4 are moved to be close to the yarn path YP in yarn production.
  • the yarn holding unit 5 sucks and retains the yarns Y shifted by the yarn shifting member 45.
  • the sucking pipe 21 advances by means of the fluid cylinder 27.
  • the yarns Y taken down by the yarn take-down device 4 are cut by the cutter 22 provided at the leading end portion of the sucking pipe 21.
  • the yarns Y having been cut are sucked and retained by the sucking pipe 21.
  • the controller 8 moves up the yarn take-down device 4 back to the second floor by the elevation cylinder 40, after a predetermined waiting time elapses.
  • the yarn holding unit 5 of the present embodiment is able to suck the yarns Y which are taken down by the yarn take-down device 4 at a position deviated from the yarn path YP in yarn production. For this reason, it is unnecessary to arrange the yarn threading unit 23 to wait for the yarns Y in advance, when the yarns Y are taken down from the second floor. In other words, the operator working on the second floor is allowed to take yarns down at any timing, no matter whether the yarn threading unit 23 on the first floor waits for the yarns Y.
  • the yarn threading unit 23 moves to a position forward of the spun yarn take-up apparatus 1.
  • the yarn threading unit 23 cuts the yarns Y retained by the yarn holding unit 5 by the cutter 54 and receives the yarns Y by sucking them by the yarn sucking unit 55.
  • the yarn threading unit 23 then places the yarns Y onto the godet rollers 15 and 16 of the take-up unit 6 by moving the yarn threading arm 25.
  • the yarn take-down device 4 includes two yarn threading portions 42 which are distanced from each other in the front-back direction, and each of the yarns Y is threaded onto the two yarn threading portions 42 in order.
  • the yarn part Ya on the upstream of the yarn take-down device 4 is distanced from the yarn part Yb on the downstream of the yarn take-down device 4. This prevents a yarn Y from being erroneously cut at two parts by the cutter 54 of the yarn threading unit 23 or the cutter 22 of the yarn holding unit 5, with the result that the success rate of the handover of the yarns Y is improved.
  • the distance L in the front-back direction between the two yarn threading portions 42 is preferably 30mm or longer, and more preferably 120mm or longer. With this, the distance between the two yarn parts Ya and Yb threaded onto the two yarn threading portions 42, respectively, is long. This certainly prevents a single yarn Y from being erroneously captured at two parts. Furthermore, when the distance L is 120mm or longer, the yarn threading arm 25 is able to pass the gap between the two yarn threading portions 42. This facilitates the handover of the yarns Y to the yarn threading arm 25.
  • the handover of the yarns Y is successfully done when the distance L is at least about 30mm, by advancing only a part of the yarn threading arm 25 (e.g., the cutter 54 or the yarn sucking unit 55).

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)

Claims (14)

  1. Aufnahmevorrichtung (1) für gesponnenes Garn, die Garne (Y) aufnimmt, die von einer in einem ersten Garnverarbeitungsraum bereitgestellten Spinnvorrichtung (2) ausgesponnen werden, umfassend:
    eine Aufnahmeeinheit (6), die in einem zweiten Garnverarbeitungsraum unterhalb des ersten Garnverarbeitungsraums bereitgestellt und konfiguriert ist, die Garne (Y), die von der Spinnvorrichtung (2) ausgesponnen werden, aufzunehmen; und
    eine erste Garnansaugeinheit (47), die in dem ersten Garnverarbeitungsraum bereitgestellt und konfiguriert ist, die Garne (Y), die von der Spinnvorrichtung (2) ausgesponnen werden, anzusaugen und aufzubewahren;
    gekennzeichnet durch
    eine Garnabsenkvorrichtung (4), die konfiguriert ist, die Garne (Y), die von der ersten Garnansaugeinheit (47) aufbewahrt werden, von dem ersten Garnverarbeitungsraum zu dem zweiten Garnverarbeitungsraum abzusenken,
    wobei die Garnabsenkvorrichtung (4) Garnführungsabschnitte (42) beinhaltet, die in Intervallen in einer Richtung, die eine Auf-Ab-Richtung kreuzt, bereitgestellt sind, wobei jedes von den Garnen (Y) der Reihe nach auf die Garnführungsabschnitte (42) geführt wird.
  2. Aufnahmevorrichtung (1) für gesponnenes Garn nach Anspruch 1, wobei der Abstand zwischen zwei Garnführungsabschnitten (42), die in der kreuzenden Richtung unter den Garnführungsabschnitten (42) die äußersten sind, 30 mm oder länger ist.
  3. Aufnahmevorrichtung (1) für gesponnenes Garn nach Anspruch 2, wobei der Abstand zwischen zwei Garnführungsabschnitten (42), die in der kreuzenden Richtung unter den Garnführungsabschnitten (42) die äußersten sind, 120 mm oder länger ist.
  4. Aufnahmevorrichtung (1) für gesponnenes Garn nach einem der Ansprüche 1 bis 3, wobei die Garnabsenkvorrichtung (4) die Garne (Y) zu einer Position hinunter absenkt, die sich in dem zweiten Garnverarbeitungsraum befindet und von einem Garnweg abgelenkt ist, wenn die Garne (Y) von der Aufnahmeeinheit (6) aufgenommen werden.
  5. Aufnahmevorrichtung (1) für gesponnenes Garn nach Anspruch 4, weiter eine Garnannäherungsführung (46) umfassend, die in dem ersten Garnverarbeitungsraum bereitgestellt ist und konfiguriert ist, die von der Garnabsenkvorrichtung (4) abgesenkten Garne (Y) anzunähern.
  6. Aufnahmevorrichtung (1) für gesponnenes Garn nach Anspruch 4 oder 5, weiter umfassend
    eine Garnhalteeinheit (5), die in dem zweiten Garnverarbeitungsraum bereitgestellt ist und die von der Spinnvorrichtung (2) gelieferten die Garne (Y) ansaugt und aufbewahrt,
    wobei die Garnhalteeinheit (5) geeignet ist, die von der Garnabsenkvorrichtung (4) zu der von dem Garnweg abgelenkten Position abgesenkten Garne (Y) anzusaugen.
  7. Aufnahmevorrichtung (1) für gesponnenes Garn nach Anspruch 6, wobei
    die Garnhalteeinheit (5) ein Messer (22), von welchem die Garne (Y) abgeschnitten werden, und eine zweite Garnansaugeinheit, die konfiguriert ist, die von dem Messer (22) abgeschnittenen Garne (Y) anzusaugen, beinhaltet,
    wobei das Messer (22) und die zweite Garnansaugeinheit geeignet sind, sich nahe zu und weg von den von der Garnabsenkvorrichtung (4) abgesenkten Garnen (Y) zu bewegen.
  8. Aufnahmevorrichtung (1) für gesponnenes Garn nach Anspruch 6, weiter umfassend
    eine Verschiebeeinheit (45), die konfiguriert ist, die von der Garnabsenkvorrichtung (4) abgesenkten Garne (Y) in Richtung der Garnhalteeinheit (5) zu bewegen.
  9. Aufnahmevorrichtung (1) für gesponnenes Garn nach einem der Ansprüche 6 bis 8, wobei
    die Garnhalteeinheit (5) die Garne (Y) zwischen der Spinnvorrichtung (2) und der Garnabsenkvorrichtung (4) abschneidet und die Garne (Y) aufnimmt.
  10. Aufnahmevorrichtung (1) für gesponnenes Garn nach einem der Ansprüche 6 bis 8, wobei
    die Garnhalteeinheit (5) die Garne (Y) zwischen benachbarten zwei von den Garnführungsabschnitten (42) abschneidet und die Garne (Y) aufnimmt.
  11. Aufnahmevorrichtung (1) für gesponnenes Garn nach einem der Ansprüche 1 bis 10, wobei
    die erste Garnansaugeinheit (47) transportabel ist.
  12. Aufnahmevorrichtung (1) für gesponnenes Garn nach einem der Ansprüche 1 bis 11, weiter umfassend
    eine Garnführungseinheit (23), die in dem zweiten Garnverarbeitungsraum bereitgestellt und konfiguriert ist, die von der Garnabsenkvorrichtung (4) abgesenkten Garne (Y) abzuschneiden und aufzunehmen und die aufgenommenen Garne (Y) auf die Aufnahmeeinheit (6) zu führen.
  13. Aufnahmevorrichtung (1) für gesponnenes Garn nach Anspruch 12, wobei
    die Garnführungseinheit (23) die Garne (Y) zwischen der Spinnvorrichtung (2) und der Garnabsenkvorrichtung (4) abschneidet und die Garne (Y) aufnimmt.
  14. Aufnahmevorrichtung (1) für gesponnenes Garn nach Anspruch 12, wobei
    die Garnführungseinheit (23) die Garne (Y) zwischen benachbarten zwei von den Garnführungsabschnitten (42) abschneidet und die Garne (Y) aufnimmt.
EP16194793.2A 2015-10-30 2016-10-20 Aufnahmevorrichtung für gesponnenes garn Active EP3162923B1 (de)

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CN110438575B (zh) * 2018-05-04 2023-04-21 欧瑞康纺织有限及两合公司 一种熔体纺丝和纱线卷绕的方法以及用于实现该方法的设备
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TW201714810A (zh) 2017-05-01
EP3162923A1 (de) 2017-05-03
JP2017082376A (ja) 2017-05-18
JP6681307B2 (ja) 2020-04-15
CN106829621A (zh) 2017-06-13
TWI657991B (zh) 2019-05-01
CN106829621B (zh) 2019-12-31

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