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EP3771672B1 - Adapter und spulenaustauschvorrichtung - Google Patents

Adapter und spulenaustauschvorrichtung Download PDF

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Publication number
EP3771672B1
EP3771672B1 EP20188113.3A EP20188113A EP3771672B1 EP 3771672 B1 EP3771672 B1 EP 3771672B1 EP 20188113 A EP20188113 A EP 20188113A EP 3771672 B1 EP3771672 B1 EP 3771672B1
Authority
EP
European Patent Office
Prior art keywords
yarn
package
supply
peg
layer side
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
EP20188113.3A
Other languages
English (en)
French (fr)
Other versions
EP3771672A1 (de
Inventor
Masato Yamamoto
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 EP3771672A1 publication Critical patent/EP3771672A1/de
Application granted granted Critical
Publication of EP3771672B1 publication Critical patent/EP3771672B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/02—Methods or apparatus in which packages do not rotate
    • B65H49/04—Package-supporting devices
    • B65H49/10—Package-supporting devices for one operative package and one or more reserve packages
    • B65H49/12—Package-supporting devices for one operative package and one or more reserve packages the reserve packages being mounted to permit manual or automatic transfer to operating position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/08—Automatic end-finding and material-interconnecting arrangements
    • B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • B65H67/085—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/02—Arrangements for removing spent cores or receptacles and replacing by supply packages at paying-out stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/185—End caps, plugs or adapters
    • 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

Definitions

  • the invention relates to an adapter and a package exchanging device.
  • a device described in Patent Literature 1 Japanese Unexamined Patent Publication No. H4-66479
  • the package exchanging device described in Patent Literature 1 is a device that exchanges a package in a peg provided in a creel stand and includes a running device which runs along the creel stand, a setting device which exchanges the package in the peg, and a yarn joining device (a synthetic yarn splicer) which joins yarns of two packages.
  • the setting device and the yarn joining device are disposed in a base of the running device.
  • An adapter according to the preamble of claim 1 is known from EP 0 534 633 A1 and EP 0 421 362 A1 .
  • An object of the invention is to provide an adapter and a package exchanging device capable of easily catching yarn ends of yarns on an outer layer side and an inner layer side of a package.
  • An adapter according to the invention is defined in independent claim 1.
  • An adapter according to the invention is an adapter attachable to a package having a yarn made of synthetic fibers, including: an attachment portion which is attachable to a bobbin of the package so as to be rotatable in a synchronization manner; a first holding unit which is provided in the attachment portion and is adapted to hold a yarn end of a yarn on an outer layer side of the package; and a second holding unit which is provided in the attachment portion and is adapted to hold a yarn end of a yarn on an inner layer side of the package.
  • the yarn on the outer layer side of the package can be held by the first holding unit in advance and the yarn on the inner layer side of the package can be held by the second holding unit in advance.
  • the yarn ends of the yarns on the outer layer side and the inner layer side in the package can be easily caught.
  • the attachment portion includes an annular outer ring portion which is adapted to cover an outer peripheral surface of the bobbin with a gap therebetween and the yarn on the inner layer side of the package is windable on the outer ring portion.
  • the outer peripheral surface of the bobbin by the outer ring portion without damage.
  • the yarn on the inner layer side of the package is wound on the outer ring portion, it is possible to secure a sufficient length of the yarn for, for example, the splicing operation or the like of the synthetic yarn splicer.
  • the first holding unit may include a first arm of which a base end side is fixed to the attachment portion, a first gripper which is provided in a front end side of the first arm and is adapted to grip the yarn end of the yarn on the outer layer side of the package, and a first yarn guide which is adapted to hook at least the yarn on the outer layer side of the package.
  • the second holding unit may include a second arm of which a base end side is fixed to the attachment portion, a second gripper which is provided in a front end side of the second arm and is adapted to grip the yarn end of the yarn on the inner layer side of the package, and a second yarn guide which is adapted to hook the yarn on the inner layer side of the package.
  • a package exchanging device is defined in independent claim 4.
  • a package exchanging device includes: a synthetic yarn splicer that is adapted to join yarns of one package and of an other package to which the adapter is attached, wherein the yarn on the inner layer side of the respective package (P1) is wound on the respective outer ring portion of the respective adapter; and a yarn catching and guiding unit which is adapted to catch the yarn end of the yarn held by the first holding unit of the adapter attached to the one package so as to guide the yarn end to the synthetic yarn splicer and to catch the yarn end of the yarn held by the second holding unit of the adapter attached to the other package so as to guide the yarn end to the synthetic yarn splicer.
  • the adapter is attached to one package and the other package, it is possible to easily catch the yarn ends of the yarns on the outer layer side and the inner layer side in one package and the other package by the yarn catching and guiding unit. Further, it is possible to easily guide the yarn to the synthetic yarn splicer.
  • the adapter and the package exchanging device capable of easily catching the yarn ends of the yarns on the outer layer side and the inner layer side of the package. According to an aspect of the invention, it is possible to provide the package exchanging device capable of easily guiding the yarn to the synthetic yarn splicer.
  • a false-twisting system 1 includes a false-twisting machine 2, a first transporting device 3, a second transporting device 4, a yarn supply unit 5, a package replenishing device 6, and a package exchanging device 7.
  • the false-twisting system 1 includes a control device (not illustrated) which overally controls the false-twisting machine 2, the first transporting device 3, the second transporting device 4, the package replenishing device 6, and the package exchanging device 7.
  • each of the false-twisting machine 2, the first transporting device 3, the second transporting device 4, the yarn supply unit 5, the package replenishing device 6, and the package exchanging device 7 is provided as a plurality of units.
  • the "Z direction" illustrated in the drawing is the vertical direction (up and down direction)
  • the "X direction” is the horizontal direction
  • the "Y direction” is a horizontal direction perpendicular to the X direction and the Z direction.
  • the false-twisting system 1 manufactures a winding package P2 (see FIG. 4 ) by processing yarns Y (see FIG. 3 ) supplied from a plurality of yarn supply packages P1 (see FIG. 2 ).
  • the yarn Y is, for example, a synthetic yarn made of thermoplastic synthetic fibers such as polyester and polyamide.
  • the yarn supply package P1 is formed by winding a partially oriented yarn (POY) on a yarn supply bobbin B1 (see FIG. 2 ).
  • the winding package P2 is formed by winding a draw textured yarn (DTY) on a winding bobbin B2 (see FIG. 4 ).
  • the false-twisting machine 2 forms the winding package P2 by processing the yarn Y
  • the false-twisting machine 2 includes a main base 2a and two winding tables 2b.
  • the main base 2a is provided with a false-twisting device, a feeding roller, and the like.
  • the winding table 2b is provided with a winding device, a doffing device, and the like.
  • the main base 2a extends in the X direction.
  • the winding table 2b extends in the X direction.
  • the winding table 2b is disposed at a position facing the main base 2a in the Y direction (the width direction of the main base 2a). That is, two winding tables 2b are disposed at positions sandwiching the main base 2a.
  • the false-twisting machine 2 twists the yarns Y supplied from the plurality of yarn supply packages P1 and winds the processed yarn on the winding bobbin B2 so as to form the winding package P2 (see FIG. 4 ).
  • the false-twisting machine 2 supplies the formed winding package P2 to the second transporting device 4.
  • the first transporting device 3 transports the yarn supply package P1.
  • the first transporting device 3 runs along, for example, a first rail R1 suspended from a ceiling.
  • the first rail R1 is disposed between one false-twisting machine 2 and the other false-twisting machine 2 and between the winding table 2b and the yarn supply unit 5.
  • the first transporting device 3 transports the yarn supply package P1 between a position where the yarn supply package P1 is supplied and a predetermined package replenishing device 6.
  • the first transporting device 3 includes a first package holding unit 3a.
  • the first package holding unit 3a is suspended from the first rail R1.
  • the first package holding unit 3a holds the plurality of (for example, twelve) yarn supply packages P1.
  • the first package holding unit 3a supports the yarn supply package P1 by a support member (not illustrated) inserted into the yarn supply bobbin B1 of the yarn supply package P1.
  • an adapter 10 is attached to the yarn supply package P1.
  • the adapter 10 holds the yarn Y.
  • the adapter 10 includes an attachment portion 11, a first holding unit 12, and a second holding unit 13.
  • the attachment portion 11 is attached to the yarn supply bobbin B1 of the yarn supply package P1 so as to be rotatable in a synchronization manner.
  • the attachment portion 11 has a cylindrical shape.
  • the attachment portion 11 is attached to the end portion of the yarn supply bobbin B1 protruding from the side surface of the yarn supply package P1.
  • the first holding unit 12 holds a first yarn end Y1 of the yarn Y on the outer layer side of the yarn supply package P1.
  • the first holding unit 12 is provided in the attachment portion 11.
  • the first holding unit 12 includes a first arm 12a, a first gripper 12b, and a first yarn guide 12c.
  • the first arm 12a extends in the radial direction of the attachment portion 11 while the base end side is fixed to the side surface of the attachment portion 11.
  • the first gripper 12b grips the first yarn end Y1.
  • the first gripper 12b is provided at the front end side of the first arm 12a.
  • the first yarn guide 12c is provided in the first arm 12a.
  • the second holding unit 13 holds a second yarn end Y2 of the yarn Y on the inner layer side (tail side) of the yarn supply package P1.
  • the second holding unit 13 is provided in the attachment portion 11.
  • the second holding unit 13 includes a second arm 13a, a second gripper 13b, and a second yarn guide 13c.
  • the second arm 13a extends in the radial direction of the attachment portion 11 while the base end side is fixed to the side surface of the attachment portion 11.
  • the second arm 13a is disposed so as to be located on the same line as the first arm 12a.
  • the second gripper 13b grips the second yarn end Y2.
  • the second gripper 13b is provided at the front end side of the second arm 13a.
  • the second yarn guide 13c is provided in the second arm 13a.
  • the first yarn end Y1 drawn from the outer layer side of the yarn supply package P1 is gripped by the first gripper 12b through the first yarn guide 12c of the first holding unit 12 and the second yarn end Y2 drawn from the inner layer side of the yarn supply package P1 is gripped by the second gripper 13b through the first yarn guide 12c of the first holding unit 12 and the second yarn guide 13c of the second holding unit 13.
  • the adapter 10 is attached to the yarn supply package P1 by, for example, an operator.
  • a bobbin cap BC (see FIG. 2 ) may be attached to the yarn supply bobbin B1 at an end portion opposite to the end portion to which the adapter 10 is attached.
  • the second transporting device 4 transports the winding package P2.
  • the second transporting device 4 runs along the first rail R1.
  • the second transporting device 4 transports the winding package P2 between a predetermined false-twisting machine 2 and a storage facility (not illustrated) of the winding package P2.
  • the second transporting device 4 includes a second package holding unit 4a.
  • the second package holding unit 4a is suspended from the first rail R1.
  • a plurality of (for example, sixteen) winding packages P2 are respectively held through the second package holding unit 4a.
  • the winding package P2 is held by supporting both end portions of each winding bobbin B2 with a package receiver.
  • the yarn supply unit 5 supplies the yarn Y to the false-twisting machine 2.
  • the yarn supply unit 5 is disposed adjacent to the false-twisting machine 2.
  • the yarn supply unit 5 is disposed at a position facing the winding table 2b of the false-twisting machine 2 in the Y direction.
  • the yarn supply unit 5 extends in the X direction.
  • the yarn supply unit 5 includes a plurality of creel stands 20.
  • the creel stand 20 holds the yarn supply package P1.
  • the plurality of creel stands 20 are arranged in the X direction.
  • the pair of creel stands 20 is arranged back to back in the Y direction.
  • the creel stand 20 includes a creel base 21, four first columns 22a, 22b, 22c, and 22d, a partition plate 23, and a plurality of pegs 24.
  • the creel base 21 is a frame-shaped frame body.
  • Four first columns 22a to 22d are provided upright in the creel base 21.
  • Four first columns 22a to 22d extend in the Z direction.
  • Four first columns 22a to 22d are respectively arranged at predetermined intervals in the X direction and at predetermined intervals in the Y direction.
  • the partition plate 23 is provided in the first columns 22a to 22d.
  • the partition plates 23 are arranged at predetermined intervals in the Z direction of the first columns 22a to 22d.
  • the partition plate 23 prevents the yarn supply package P1 from falling.
  • the peg 24 supports the yarn supply package P1.
  • the peg 24 is provided in the first columns 22a and 22b.
  • the plurality of (for example, eight) pegs 24 are arranged at predetermined intervals in the Z direction of the first columns 22a and 22b.
  • the peg 24 is disposed between the pair of partition plates 23.
  • the peg 24 provided in the first column 22a and the peg 24 provided in the first column 22b are arranged at the same height position.
  • the peg 24 provided in the first column 22a is referred to as a "first peg 24a"
  • the peg 24 provided in the first column 22b is referred to as a "second peg 24b".
  • the first peg 24a and the second peg 24b are used as pairs.
  • the yarn Y of the yarn supply package P1 supported by the first peg 24a and the yarn Y of the yarn supply package P1 supported by the second peg 24b are connected to each other.
  • the first yarn end Y1 on the outer layer side or the second yarn end Y2 on the inner layer side of the yarn Y of the yarn supply package P1 supported by the first peg 24a is connected to the second yarn end Y2 on the inner layer side or the first yarn end Y1 on the outer layer side of the yarn supply package P1 supported by the second peg 24b. Accordingly, one yarn Y is supplied from the yarn supply package P1 supported by a pair of the first peg 24a and the second peg 24b.
  • the peg 24 includes a yarn supply package support portion 25 and a peg body 26.
  • the yarn supply package support portion 25 supports the yarn supply package P1.
  • the yarn supply package support portion 25 includes package support members 25a and 25b and a rotation mechanism 25c.
  • the package support members 25a and 25b are bar-shaped members.
  • the package support members 25a and 25b are rotatably supported by the peg body 26.
  • the package support members 25a and 25b extend in one direction, are parallel to each other, and are arranged with a predetermined gap therebetween.
  • the peg 24 supports the yarn supply package P1 at two points by the package support members 25a and 25b.
  • a covering portion 25d is provided in one end portion of the package support member 25a in the extending direction.
  • a covering portion 25e is provided in one end portion of the package support member 25b in the extending direction.
  • the covering portions 25d and 25e are formed of, for example, rubber (resin) or the like having a large friction coefficient.
  • the covering portions 25d and 25e contact (come into contact with) the inner peripheral surface of the yarn supply bobbin B1 of the winding package P2.
  • One end of the package support member 25a and one end of the package support member 25b are connected to each other by a connection member 25f.
  • the rotation mechanism 25c includes a driven pulley 25g, a drive pulley 25h, a power transmission belt 25i, and a first wheel 25j.
  • the driven pulley 25g is provided in the other end of the package support member 25a.
  • the drive pulley 25h is provided in the other end of the package support member 25b.
  • the power transmission belt 25i is stretched over the driven pulley 25g and the drive pulley 25h.
  • the first wheel 25j is provided in the drive pulley 25h (the package support member 25b).
  • the first wheel 25j is a Geneva wheel that constitutes a Geneva mechanism.
  • the first wheel 25j is rotated by the rotational driving of a first yarn joining driver 62a or a second yarn joining driver 63a of a yarn joining device 60 to be described later.
  • the package support member 25a and the package support member 25b rotate in a synchronization manner by the rotation of the first wheel 25j.
  • the peg body 26 includes a peg body 26a and a rotation transmitting member 26b.
  • the peg body 26a is a member having a rectangular parallelepiped shape.
  • the peg body 26a supports the package support member 25a and the package support member 25b of the yarn supply package support portion 25 so as to be rotatable around the rotation shaft.
  • the peg body 26a is provided with a regulation member 26c.
  • the regulation member 26c has, for example, a disk shape.
  • the regulation member 26c is disposed on one side surface of the peg body 26a.
  • the regulation member 26c is attached by inserting the package support member 25a and the package support member 25b.
  • the regulation member 26c faces the end surface of the yarn supply package P1 and regulates the movement of the yarn supply package P1 in the extending direction of the package support member 25a and the package support member 25b.
  • An insertion hole 26d is formed in the peg body 26a. The first column 22a or the first column 22b of the creel stand 20 is inserted through the insertion hole 26d.
  • the rotation transmitting member 26b supports the peg body 26a.
  • the peg body 26a is fixed to the upper end portion of the rotation transmitting member 26b.
  • the rotation transmitting member 26b has a cylindrical shape.
  • a hollow portion of the rotation transmitting member 26b communicates with the insertion hole 26d of the peg body 26a.
  • the first columns 22a and 22b of the creel stand 20 are coaxially inserted through the rotation transmitting member 26b.
  • the lower end portion of the rotation transmitting member 26b is provided with a second wheel 26e.
  • the second wheel 26e is a Geneva wheel that constitutes a Geneva mechanism.
  • the second wheel 26e rotates by the driving of the first rotation driver 36a or the second rotation driver 37a of a rotation device 35 to be described later.
  • the peg body 26 rotates with the rotation of the second wheel 26e. Accordingly, the yarn supply package support portion 25 rotates.
  • the peg 24 rotates between an exchange position where the yarn supply bobbin B1 is collected and the yarn supply package P1 is attached and a supply position where the yarn Y is supplied.
  • the package replenishing device 6 supplies the yarn supply package P1 to the package exchanging device 7.
  • the package replenishing device 6 temporarily stores the yarn supply package P1 transported by the first transporting device 3 and supplies the yarn supply package P1 to the package exchanging device 7.
  • the package replenishing device 6 stores the plurality of (for example, four) yarn supply packages P1.
  • the package replenishing device 6 includes a transfer mechanism (not illustrated) which transfers the yarn supply package P1 from the first transporting device 3.
  • the package exchanging device 7 collects the yarn supply bobbin B1 from the peg 24 and attaches the yarn supply package P1 to the peg 24. As illustrated in FIG. 7 , the package exchanging device 7 runs along the second rail R2. The second rail R2 is laid on a floor and extends in the X direction (the arrangement direction of the creel stands 20). That is, the package exchanging device 7 runs along the X direction. The package exchanging device 7 moves between one end of the yarn supply unit 5 and the other end of the yarn supply unit 5 where the package replenishing device 6 is disposed.
  • the package exchanging device 7 includes a running carrier (a running unit) 30, an elevating unit 31, a holding unit (a holding device) 32, and an exchange unit 33. Further, the package exchanging device 7 includes a control unit (not illustrated) which controls the operation of each unit.
  • the running carrier 30 includes a running base 30a and a column support portion 30b.
  • the running base 30a has a rectangular parallelepiped shape.
  • the running base 30a accommodates a wheel running along the second rail R2, a drive mechanism, and the like.
  • the column support portion 30b is provided upright on the running base 30a.
  • the column support portion 30b includes four second columns 30c, 30d, 30e, and 30f and a wall portion 30g.
  • the second columns 30c to 30f and the wall portion 30g extend in the Z direction.
  • the second column 30c is disposed at one end portion in the X direction and one end portion in the Y direction in the running base 30a.
  • the second column 30c is disposed at a corner portion of the running base 30a.
  • the second column 30d is disposed at one end portion in the X direction and the other end portion in the Y direction in the running base 30a.
  • the second column 30c and the second column 30d are disposed at positions facing each other in the Y direction.
  • the second column 30d is disposed at a corner portion of the running base 30a.
  • the second column 30e is disposed at a position facing the second column 30c in the X direction so that a predetermined gap is formed with respect to the second column 30c.
  • the second column 30f is disposed at the other end portion of the running base 30a in the Y direction between the second column 30c and the second column 30e in the X direction.
  • the second column 30f is disposed so as to face the second column 30d in the X direction.
  • the wall portion 30g extends in the X direction.
  • the wall portion 30g is disposed at the other end portion in the X direction and the other end portion in the Y direction in the running base 30a. That is, the wall portion 30g is disposed at a corner portion of the running base 30a.
  • the wall portion 30g is disposed so as to face the second column 30e in the Y direction and is disposed so as to face the second column 30f in the X direction.
  • the elevating unit 31 moves up and down with the operator on board.
  • the elevating unit 31 is used during maintenance or the like.
  • the elevating unit 31 is disposed at the other end portion in the X direction in the running base 30a of the running carrier 30.
  • the elevating unit 31 includes a guide portion 31a and an elevating portion 31b.
  • the guide portion 31a is a guide rail.
  • the guide portion 31a is disposed in the wall portion 30g of the column support portion 30b of the running carrier 30.
  • the guide portion 31a extends in the Z direction.
  • the elevating portion 31b is a working table on which a work vehicle gets.
  • the elevating portion 31b has a box shape.
  • the elevating portion 31b is provided so as to be movable up and down in the Z direction along the guide portion 31a.
  • the elevating portion 31b moves along the guide portion 31a by a drive mechanism (not illustrated).
  • the holding unit 32 holds the plurality of (for example, four) yarn supply packages P1.
  • the holding unit 32 holds the yarn supply packages P1 as many as the yarn supply packages P1 held by the package replenishing device 6.
  • the holding unit 32 receives the yarn supply package P1 supplied from the package replenishing device 6, temporarily stores the yarn supply package P1, and supplies the yarn supply package P1 to the exchange unit 33.
  • the holding unit 32 includes a main body frame 32a, a package support portion 32b, and a drive unit 32c.
  • the main body frame 32a is disposed in the running base 30a of the running carrier 30.
  • the main body frame 32a is disposed at one end portion of the running base 30a in the X direction.
  • the package support portion 32b supports the yarn supply package P1.
  • the package support portion 32b is provided so as to be rotatable.
  • the package support portion 32b rotates in the range of about 90°.
  • the package support portion 32b rotates between a replenishment position (see FIG. 8B ) in which the yarn supply package P1 is supplied from the package replenishing device 6 and a supply position (see FIG. 8A ) in which the yarn supply package P1 is supplied to the exchange unit 33.
  • the drive unit 32c rotates the package support portion 32b.
  • the drive unit 32c is, for example, an air cylinder.
  • the exchange unit 33 exchanges the yarn supply bobbin B1 and the yarn supply package P1 in the peg 24. Specifically, the exchange unit 33 collects the yarn supply bobbin B1 from the peg 24 and attaches the yarn supply package P1 to the peg 24. As illustrated in FIG. 7 , the exchange unit 33 is provided adjacent to the holding unit 32. As illustrated in FIG. 9 , the exchange unit 33 includes a base 34, a rotation device 35, a collection device 40, a supply device 50, a yarn joining device 60, and a moving device 70.
  • the base 34 supports the rotation device 35, the collection device 40, the supply device 50, and the yarn joining device 60.
  • the base 34 is provided so as to be movable up and down along the column support portion 30b of the running carrier 30.
  • the base 34 is provided at a position accessible to the holding unit 32.
  • the rotation device 35 rotates the peg 24 of the creel stand 20.
  • the rotation device 35 is fixed to the base 34.
  • the rotation device 35 is disposed at a position facing the yarn supply unit 5 in the base 34.
  • the rotation device 35 includes a first drive mechanism 36 and a second drive mechanism 37.
  • the first drive mechanism 36 rotates the first peg 24a of the creel stand 20.
  • the first drive mechanism 36 includes a first rotation driver 36a and a first rotation arm portion 36b.
  • the first rotation driver 36a rotates the second wheel 26e of the first peg 24a.
  • the first rotation driver 36a is a Geneva driver that constitutes a Geneva mechanism.
  • the first rotation driver 36a rotates by the rotational driving of a motor (not illustrated).
  • the first rotation arm portion 36b supports the first rotation driver 36a.
  • the first rotation arm portion 36b is provided so as to be swingable in the horizontal direction.
  • the first rotation arm portion 36b is driven by, for example, a motor or an air cylinder (not illustrated).
  • the second drive mechanism 37 rotates the second peg 24b of the creel stand 20.
  • the second drive mechanism 37 includes a second rotation driver 37a and a second rotation arm portion 37b.
  • the second rotation driver 37a rotates the second wheel 26e of the second peg 24b.
  • the second rotation driver 37a is a Geneva driver that constitutes a Geneva mechanism.
  • the second rotation driver 37a rotates by the rotational driving of a motor (not illustrated).
  • the second rotation arm portion 37b supports the second rotation driver 37a.
  • the second rotation arm portion 37b is provided so as to be swingable in the horizontal direction.
  • the second rotation arm portion 37b is driven by, for example, a motor or an air cylinder (not illustrated).
  • the rotation device 35 changes the direction of the peg 24 by rotating the peg 24 when attaching the yarn supply package P1 to the peg 24.
  • the rotation device 35 operates the first drive mechanism 36 or the second drive mechanism 37 corresponding to the target peg 24.
  • the rotation device 35 swings the first rotation arm portion 36b so that the first rotation driver 36a engages with the second wheel 26e of the first peg 24a.
  • the rotation device 35 rotates the first rotation driver 36a in one direction when the first rotation driver 36a engages with the second wheel 26e.
  • the rotation transmitting member 26b rotates. Accordingly, the peg 24 rotates so that the front end portions of the package support members 25a and 25b face the exchange unit 33.
  • the collection device 40 collects the yarn supply bobbin B1 to which the adapter 10 is attached from the peg 24. As illustrated in FIG. 10 , the collection device 40 includes a first support mechanism 41 and a first collection drive mechanism 42.
  • the first support mechanism 41 supports the yarn supply bobbin B1. Further, the first support mechanism 41 moves forward and backward with respect to the peg 24 so as to collect the yarn supply bobbin B1.
  • the first support mechanism 41 includes a first slide portion 41a and a first package support member 41b.
  • the first slide portion 41a includes a first linear guide 41c. A part of the first slide portion 41a can move in a predetermined direction through the first linear guide 41c.
  • the first package support member 41b supports the yarn supply bobbin B1.
  • the first package support member 41b is provided in a front end portion of the moving first slide portion 41a.
  • the first package support member 41b extends in the extending direction of the first slide portion 41a.
  • the first collection drive mechanism 42 drives the first support mechanism 41.
  • the first collection drive mechanism 42 includes a first slide rail 42a, a first collection drive unit 42b, a first elevating portion 42c, and a second collection drive unit 42d.
  • the first slide rail 42a is connected to the first slide portion 41a.
  • the first slide rail 42a moves a part of the first slide portion 41a in a reciprocating manner by the driving of the first collection drive unit 42b.
  • the first collection drive unit 42b is, for example, an air cylinder.
  • the first elevating portion 42c is connected to the first slide portion 41a.
  • the first elevating portion 42c moves the first slide portion 41a up and down by the driving of the second collection drive unit 42d. Accordingly, the first slide portion 41a swings.
  • the second collection drive unit 42d is, for example, a motor.
  • a collection operation of the yarn supply bobbin B1 by the collection device 40 will be described.
  • the collection device 40 advances a part of the first slide portion 41a of the first support mechanism 41 by the first collection drive mechanism 42 with respect to the peg 24 rotated by the rotation device 35 so that the first package support member 41b is located in the hollow portion of the yarn supply bobbin B1.
  • the collection device 40 swings the first slide portion 41a of the first support mechanism 41 downward by the first collection drive mechanism 42 so that the first package support member 41b is inclined with respect to the horizontal direction.
  • the collection device 40 swings the first slide portion 41a upward by the first collection drive mechanism 42 so that the first package support member 41b becomes horizontal.
  • the first package support member 41b contacts the yarn supply bobbin B1 so that the yarn supply bobbin B1 is lifted and the yarn supply bobbin B1 is separated from the package support members 25a and 25b.
  • the collection device 40 retracts a part of the first slide portion 41a of the first support mechanism 41 by the first collection drive mechanism 42. As described above, the collection device 40 collects the yarn supply bobbin B1 from the peg 24.
  • the supply device 50 supplies the yarn supply package P1 to the peg 24.
  • the supply device 50 includes a second support mechanism 51 and a second supply drive mechanism 52.
  • the second support mechanism 51 supports the yarn supply package P1. Further, the second support mechanism 51 moves forward and backward with respect to the peg 24 so as to supply the yarn supply package P1.
  • the second support mechanism 51 includes a second slide portion 51a and a second package support member 51b.
  • the second slide portion 51a includes a second linear guide 51c. A part of the second slide portion 51a can move in a predetermined direction through the second linear guide 51c.
  • the second package support member 51b supports the yarn supply package P1.
  • the second package support member 51b is provided in the front end portion of the moving second slide portion 51a.
  • the second package support member 51b extends in the extending direction of the second slide portion 51a.
  • the second supply drive mechanism 52 drives the second support mechanism 51.
  • the second supply drive mechanism 52 includes a second slide rail 52a, a first supply drive unit 52b, a second elevating portion 52c, and a second supply drive unit 52d.
  • the second slide rail 52a is connected to the second slide portion 51a.
  • the second slide rail 52a moves a part of the second slide portion 51a in a reciprocating manner by the driving of the first supply drive unit 52b.
  • the first supply drive unit 52b is, for example, an air cylinder.
  • the second elevating portion 52c is connected to the second slide portion 51a.
  • the second elevating portion 52c moves the second slide portion 51a up and down by the driving of the second supply drive unit 52d. Accordingly, the second slide portion 51a swings.
  • the second supply drive unit 52d is, for example, a motor.
  • the supply device 50 acquires the yarn supply package P1 from the holding unit 32 when the package exchanging device 7 moves.
  • the supply device 50 advances a part of the second slide portion 51a of the second support mechanism 51 by the second supply drive mechanism 52 with respect to the yarn supply package P1 supported by the package support portion 32b of the holding unit 32 so that the second package support member 51b is located in the hollow portion of the yarn supply package P1.
  • the supply device 50 swings the second slide portion 51a of the second support mechanism 51 downward by the second supply drive mechanism 52 so that the second package support member 51b is inclined with respect to the horizontal direction.
  • the supply device 50 swings the second slide portion 51a upward by the second supply drive mechanism 52 so that the second package support member 51b becomes horizontal.
  • the second package support member 51b contacts the yarn supply package P1 so that the yarn supply package P1 is lifted and the yarn supply package P1 is separated from the package support portion 32b.
  • the supply device 50 retracts a part of the second slide portion 51a of the second support mechanism 51 by the second supply drive mechanism 52. As described above, the supply device 50 acquires the yarn supply package P1 from the holding unit 32.
  • the supply device 50 advances a part of the second slide portion 51a of the second support mechanism 51 by the second supply drive mechanism 52 with respect to the peg 24 from which the yarn supply bobbin B1 is separated so that the package support members 25a and 25b of the peg 24 are located in the hollow portion of the yarn supply package P1.
  • the supply device 50 swings the second slide portion 51a downward by the second supply drive mechanism 52 so that the second package support member 51b is inclined with respect to the horizontal direction.
  • the package support members 25a and 25b of the peg 24 contact the yarn supply package P1 so that the yarn supply package P1 is supported by the peg 24 and the second package support member 51b is separated from the yarn supply package P1.
  • the supply device 50 retracts a part of the second slide portion 51a of the second support mechanism 51 by the second supply drive mechanism 52. As described above, the supply device 50 attaches the yarn supply package P1 to the peg 24.
  • the yarn joining device 60 joins the yarn Y of the yarn supply package P1 supported by the first peg 24a and the yarn Y of the yarn supply package P1 supported by the second peg 24b. As illustrated in FIGS. 12 , 13 , and 14 , the yarn joining device 60 includes a catching and guiding mechanism 61, a first rotation mechanism (an operation mechanism) 62, a second rotation mechanism (an operation mechanism) 63, and a yarn joining mechanism 64.
  • the yarn joining device 60 is provided so as to be movable by a movement mechanism (not illustrated) in a direction (the Y direction) in which the exchange unit 33 faces the yarn supply unit 5.
  • the yarn joining device 60 moves between a standby position in which the yarn joining device 60 is disposed in the base 34 and a yarn joining position in which the yarn joining device 60 moves toward the yarn supply unit 5 so as to advance outward in relation to the base 34.
  • the catching and guiding mechanism 61 catches the yarn Y of the yarn supply package P1 and guides the yarn Y to the yarn joining mechanism 64.
  • the catching and guiding mechanism 61 catches the first yarn end Y1 of the yarn Y of the yarn supply package P1 supported by one peg 24 and the second yarn end Y2 of the yarn Y of the yarn supply package P1 supported by the other peg 24 and guides the yarns to the yarn joining mechanism 64.
  • the catching and guiding mechanism 61 includes a suction portion 61a and a yarn joining arm portion 61b.
  • the suction portion 61a sucks and catches the yarn Y
  • the suction portion 61a includes a suction pipe 61c, a suction nozzle 61d, and a hook portion 61e.
  • the suction nozzle 61d is provided in the front end portion of the suction pipe 61c.
  • the suction nozzle 61d sucks the yarn Y
  • a negative pressure source (not illustrated) is connected to the suction pipe 61c. Accordingly, a suction flow is generated in the suction nozzle 61d.
  • the base end side of the suction pipe 61c is connected to the yarn joining arm portion 61b.
  • the hook portion 61e is provided at a position facing the suction nozzle 61d and the front end portion of the suction pipe 61c.
  • the hook portion 61e locks the yarn Y entangled by the yarn joining device 60.
  • the yarn joining arm portion 61b moves the suction portion 61a.
  • the yarn joining arm portion 61b includes a link mechanism and a plurality of motors.
  • the yarn joining arm portion 61b is supported by a bracket 61f.
  • Each of the first rotation mechanism 62 and the second rotation mechanism 63 operates the peg 24 so as to rotate the yarn supply package P1.
  • Each of the first rotation mechanism 62 and the second rotation mechanism 63 rotates the yarn supply package P1 so that the yarn Y is fed from the yarn supply package P1 when guiding the yarn Y to the yarn joining mechanism 64 by the catching and guiding mechanism 61.
  • the first rotation mechanism 62 operates the first peg 24a.
  • the first rotation mechanism 62 includes a first yarn joining driver 62a, a first motor 62b, and a first yarn joining arm portion 62c.
  • the first yarn joining driver 62a is rotatably and axially supported by the first yarn joining arm portion 62c.
  • the first yarn joining driver 62a is provided with a first driven pulley 62d.
  • the first motor 62b is fixed to the first yarn joining arm portion 62c.
  • a first drive pulley 62e is connected to the output shaft of the first motor 62b.
  • the first motor 62b drives the first drive pulley 62e so as to rotate about an axis.
  • a first power transmission belt 62f is stretched over the first driven pulley 62d and the first drive pulley 62e. Accordingly, the first yarn joining driver 62a rotates by the rotational driving of the first motor 62b.
  • the second rotation mechanism 63 operates the second peg 24b.
  • the second rotation mechanism 63 includes a second yarn joining driver 63a, a second motor 63b, and a second yarn joining arm portion 63c.
  • the second yarn joining driver 63a is rotatably and axially supported by the second yarn joining arm portion 63c.
  • the second yarn joining driver 63a is provided with a second driven pulley 63d.
  • the second motor 63b is fixed to the second yarn joining arm portion 63c.
  • the second drive pulley 63e is connected to the output shaft of the second motor 63b.
  • the second motor 63b drives the second drive pulley 63e so as to rotate around a shaft.
  • a second power transmission belt 63f is stretched over the second driven pulley 63d and the second drive pulley 63e. Accordingly, the second yarn joining driver 63a rotates by the rotational driving of the second motor 63b.
  • the yarn joining mechanism 64 performs a yarn joining operation.
  • the yarn joining mechanism 64 includes a splicer 66, a first guide mechanism 67, and a second guide mechanism 68.
  • the splicer 66 includes a yarn joining portion 66a and a pair of sandwiching mechanisms 66b and 66c.
  • the yarn joining portion 66a entangles the yarn Y of the yarn supply package P1 supported by the first peg 24a and the yarn Y of the yarn supply package P1 supported by the second peg 24b.
  • the sandwiching mechanisms 66b and 66c are provided at positions sandwiching the yarn joining portion 66a.
  • the sandwiching mechanisms 66b and 66c sandwich the yarn Y inserted into the chamber of the yarn joining portion 66a.
  • the first guide mechanism 67 locks and guides the yarn Y
  • the first guide mechanism 67 includes a first hook 67a, a second hook 67b, and a third hook 67c.
  • the first hook 67a, the second hook 67b, and the third hook 67c are provided so as to be swingable.
  • the first hook 67a is provided with a potentiometer (not illustrated) that detects a tension of the yarn Y
  • the yarn joining device 60 controls the operation of the first motor 62b of the first rotation mechanism 62 on the basis of the detection result of the potentiometer. That is, the yarn joining device 60 draws the yarn Y from the yarn supply package P1 at a predetermined tension by adjusting the rotation amount (feed amount) of the yarn supply package P1 on the basis of the detection result of the potentiometer.
  • the second guide mechanism 68 locks and guides the yarn Y
  • the second guide mechanism 68 includes a first hook 68a, a second hook 68b, and a third hook 68c.
  • the first hook 68a, the second hook 68b, and the third hook 68c are provided so as to be swingable.
  • the first hook 68a is provided with a potentiometer (not illustrated) which detects the tension of the yarn Y.
  • the yarn joining device 60 controls the operation of the second motor 63b of the second rotation mechanism 63 on the basis of the detection result of the potentiometer. That is, the yarn joining device 60 adjusts the rotation amount (feed amount) of the yarn supply package P1 on the basis of the detection result of the potentiometer and draws the yarn Y from the yarn supply package P1 with a predetermined tension.
  • a yarn joining operation of the yarn joining device 60 will be described. Specifically, an example of a case in which the yarn joining device 60 joins the first yarn end Y1 on the outer layer side of the yarn supply package P1 supported by the first peg 24a and the second yarn end Y2 on the inner layer side of the yarn supply package P1 supported by the second peg 24b will be described.
  • the yarn joining device 60 When the yarn joining operation starts, the yarn joining device 60 operates the first peg 24a by the first rotation mechanism 62 and operates the second peg 24b by the second rotation mechanism 63 so that the adapter 10 is rotated to a position in which the first yarn end Y1 and the second yarn end Y2 can be caught by the suction portion 61a as illustrated in FIG. 14 .
  • the first yarn joining driver 62a is engaged with the first wheel 25j of the first peg 24a and the first motor 62b is driven to rotate the first yarn joining driver 62a.
  • the second yarn joining driver 63a is engaged with the first wheel 25j of the second peg 24b and the second motor 63b is driven to rotate the second yarn joining driver 63a.
  • the yarn supply package P1 supported by each of the first peg 24a and the second peg 24b rotates, so that the adapter 10 rotates.
  • the yarn joining device 60 detects a detection object (not illustrated) provided in the adapter 10 by a sensor (not illustrated) and controls the first motor 62b and the second motor 63b on the basis of the detection result of the sensor so that the adapter 10 is rotated to a predetermined position.
  • the yarn joining device 60 When the adapter 10 is rotated, the yarn joining device 60 operates the yarn joining arm portion 61b of the catching and guiding mechanism 61 so that the suction portion 61a catches the first yarn end Y1 from the adapter 10 of the yarn supply package P1 supported by the first peg 24a and catches the second yarn end Y2 from the adapter 10 of the yarn supply package P1 supported by the second peg 24b. At this time, the yarn joining device 60 operates the first peg 24a by the first rotation mechanism 62 and operates the second peg 24b by the second rotation mechanism 63 so that the yarn supply package P1 is rotated. Accordingly, the yarn Y is drawn out from the yarn supply package P1 at a predetermined tension.
  • the yarn joining device 60 allows the suction portion 61a to hook the yarn Y having the first yarn end Y1 on the first guide mechanism 67 and guide the yarn Y to the splicer 66 and to hook the yarn Y having the second yarn end Y2 on the second guide mechanism 68 and guide the yarn Y to the splicer 66.
  • the yarn joining device 60 performs the yarn joining operation of the splicer 66. Accordingly, the yarn joining device 60 joins the first yarn end Y1 on the outer layer side of the yarn supply package P1 supported by the first peg 24a and the second yarn end Y2 on the inner layer side of the yarn supply package P1 supported by the second peg 24b.
  • the moving device 70 rotationally moves the collection device 40, the supply device 50, and the yarn joining device 60.
  • the moving device 70 moves each of the collection device 40, the supply device 50, and the yarn joining device 60 to a work position for the peg 24. Further, the moving device 70 moves the collection device 40 and the supply device 50 to a work position for the holding unit 32.
  • the moving device 70 includes a rotation support portion 71 and an exchange unit driving unit 72.
  • the rotation support portion 71 supports the collection device 40, the supply device 50, and the yarn joining device 60.
  • the rotation support portion 71 is provided in the base 34 so as to be rotatable around a rotation shaft extending in the vertical direction.
  • the rotation support portion 71 supports the collection device 40, the supply device 50, and the yarn joining device 60 so that the collection device 40, the supply device 50, and the yarn joining device 60 are respectively disposed in three different directions when viewed from the direction of the rotation shaft of the rotation support portion 71.
  • the rotation support portion 71 includes a wheel (not illustrated).
  • the wheel is a Geneva wheel that constitutes a Geneva mechanism.
  • the exchange unit driving unit 72 rotates the rotation support portion 71.
  • the exchange unit driving unit 72 is a Geneva driver that constitutes a Geneva mechanism.
  • the exchange unit driving unit 72 rotates by the rotational driving of a motor (not illustrated). In the moving device 70, the rotation support portion 71 rotates by the driving of the exchange unit driving unit 72.
  • the moving device 70 stops the rotation support portion 71 at seven positions.
  • the moving device 70 stops the rotation support portion 71 at a position in which the collection device 40 collects the yarn supply bobbin B1 from the first peg 24a, a position in which the collection device 40 collects the yarn supply bobbin B1 from the second peg 24b, a position in which the supply device 50 supplies the yarn supply package P1 to the first peg 24a, a position in which the supply device 50 supplies the yarn supply package P1 to the second peg 24b, a position in which the yarn joining device 60 performs a yarn joining operation, a position in which the supply device 50 acquires the yarn supply package P1 from the holding unit 32, and a position in which the collection device 40 supplies the yarn supply bobbin B1 to the holding unit 32.
  • the attachment portion 11 of the adapter 10 includes an outer ring portion 11x and an inner ring portion 11y.
  • the outer ring portion 11x and the inner ring portion 11y have an annular shape, specifically, a cylindrical shape.
  • the outer ring portion 11x covers the outer peripheral surface at the end portion of the yarn supply bobbin B1 with a gap therebetween.
  • the yarn Y on the inner layer side of the yarn supply package (the package) P1 including the yarn Y made of synthetic fibers is wound on the outer ring portion 11x.
  • the inner ring portion 11y is disposed coaxially on the inside of the outer ring portion 11x in the radial direction.
  • the inner ring portion 11y is connected to the end portion of the outer ring portion 11x.
  • the inner ring portion 11y is fitted to the inner peripheral surface of the yarn supply bobbin B1 in a contact state.
  • the first arm 12a of the first holding unit 12 of the adapter 10 extends so as to protrude outward in the radial direction from the outer peripheral surface of the outer ring portion 11x.
  • the front end portion of the first arm 12a is formed so as to be bent inward in the axial direction of the yarn supply package P1.
  • the first gripper 12b is fixed to the front end portion of the first arm 12a.
  • the first gripper 12b has a spring.
  • the first gripper 12b grips the first yarn end Y1 by the elastic force of the spring by inserting the first yarn end Y1 of the yarn Y on the outer layer side of the yarn supply package P1.
  • a spring tensor structure can be used.
  • the first yarn guide 12c of the first holding unit 12 hooks the yarn Y on the outer layer side and the yarn Y on the inner layer side of the yarn supply package P1.
  • the first yarn guide 12c guides the yarn Y on the outer layer side of the yarn supply package P1 so that the first yarn end Y1 faces the first gripper 12b.
  • the first yarn guide 12c guides the yarn Y on the inner layer side of the yarn supply package P1 so that the second yarn end Y2 faces the second yarn guide 13c.
  • the first yarn guide 12c is configured by a linear member such as a wire that is appropriately bent.
  • the first yarn guide 12c is provided at the center portion of the first arm 12a in the extending direction.
  • the first yarn guide 12c extends from the center portion in a direction intersecting the extending direction of the first arm 12a and extends so as to be bent toward the front end side of the first arm 12a.
  • the yarn Y on the outer layer side of the yarn supply package P1 is hooked to the front end side of the first yarn guide 12c and the yarn Y on the inner layer side of the yarn supply package P1 is hooked to the base end side of the first yarn guide 12c (see FIG. 3 ).
  • the second arm 13a of the second holding unit 13 of the adapter 10 extends so as to protrude outward in the radial direction from the side opposite to the first arm 12a by 180° on the outer peripheral surface of the outer ring portion 11x.
  • the front end portion of the second arm 13a is formed so as to be bent inward in the axial direction of the yarn supply package P1.
  • the second gripper 13b is fixed to the front end portion of the second arm 13a.
  • the second gripper 13b has a spring.
  • the second gripper 13b grips the second yarn end Y2 by the elastic force of the spring by inserting the second yarn end Y2 of the yarn Y on the inner layer side of the yarn supply package P1.
  • a spring tensor structure can be used.
  • the second yarn guide 13c of the second holding unit 13 hooks the yarn Y on the inner layer side of the yarn supply package P1.
  • the second yarn guide 13c guides the yarn Y on the inner layer side of the yarn supply package P1 so that the second yarn end Y2 faces the second gripper 13b.
  • the second yarn guide 13c is configured by a linear member such as a wire that is appropriately bent.
  • the second yarn guide 13c extends from the center portion in a direction intersecting the extending direction of the second arm 13a and extends so as to be bent toward the front end side of the second arm 13a.
  • the yarn Y on the inner layer side of the yarn supply package P1 is hooked to the front end side of the second yarn guide 13c (see FIG. 3 ).
  • the yarns of one yarn supply package (one package) P1 and the other yarn supply package (the other package) P1 are joined.
  • the adapter 10 is attached to each of one yarn supply package P1 and the other yarn supply package P1.
  • the catching and guiding mechanism (the yarn catching and guiding unit) 61 catches the first yarn end Y1 of the yarn Y held by the first holding unit 12 of the adapter 10 attached to one yarn supply package P1 so as to guide the first yarn end to the splicer 66 and catches the second yarn end Y2 of the yarn Y held by the second holding unit 13 of the adapter 10 attached to the other yarn supply package P1 so as to guide the second yarn end to the splicer 66.
  • the first yarn end Y1 of the yarn Y on the outer layer side of the yarn supply package P1 can be held by the first holding unit 12 in advance and the second yarn end Y2 of the yarn Y on the inner layer side of the yarn supply package P1 can be held by the second holding unit 13 in advance.
  • the second holding unit 13 in advance.
  • the attachment portion 11 includes the outer ring portion 11x which covers the outer peripheral surface of the yarn supply bobbin B1 with a gap therebetween.
  • the yarn Y on the inner layer side of the yarn supply package P1 is wound on the outer ring portion 11x.
  • the yarn Y on the inner layer side of the yarn supply package P1 is wound on the outer ring portion 11x.
  • the first holding unit 12 includes the first arm 12a, the first gripper 12b, and the first yarn guide 12c.
  • the second holding unit 13 includes the second arm 13a, the second gripper 13b, and the second yarn guide 13c.
  • the adapter 10 since the adapter 10 is attached to one yarn supply package P1 and the other yarn supply package P1, the first yarn end Y1 and the second yarn end Y2 of the yarns Y of one yarn supply package P1 and the other yarn supply package P1 can be easily caught by the catching and guiding mechanism 61. Further, the yarn Y can be easily guided to the splicer 66.
  • the yarn supply package support portion 25 of the peg 24 includes the package support members 25a and 25b has been described.
  • the yarn supply package support portion 25 may include one or more (three or more) support members.
  • the exchange unit driving unit 72 of the moving device 70 rotates the rotation support portion 71 by a Geneva mechanism.
  • the configuration of the exchange unit driving unit 72 is not limited thereto and the support portion may be directly rotated by a stepping motor or the like.
  • the rotation mechanism 25c of the peg 24 may have an operation mechanism.
  • At least one of the first yarn guide 12c and the second yarn guide 13c of the adapter 10 may not be provided in some cases.
  • 10...adapter 11...attachment portion, 11x...annular outer ring portion, 12...first holding unit, 12a...first arm, 12b...first gripper, 12c...first yarn guide, 13...second holding unit, 13a...second arm, 13b...second gripper, 13c...second yarn guide, 61...catching and guiding mechanism (the yarn catching and guiding unit), 66...splicer(synthetic yarn splicer), B1...yarn supply bobbin, P1...yarn supply package(package), Y...yam, Y1...first yarn end, Y2...second yarn end.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Claims (4)

  1. Adapter (10), der an einer Spule (P1) mit einem aus synthetischen Fasern hergestellten Garn (Y) befestigbar ist, umfassend:
    einen Befestigungsabschnitt (11), der an einem Spulenkörper (B1) der Spule (P1) so befestigt werden kann, dass er in einer synchronisierten Weise drehbar ist
    eine erste Halteeinheit (12), die in dem Befestigungsabschnitt (11) vorgesehen ist und dazu ausgelegt ist, ein Garnende eines Garns auf einer Außenschichtseite der Spule (P1) zu halten; und
    eine zweite Halteeinheit (13), die in dem Befestigungsabschnitt (11) vorgesehen ist und dazu ausgelegt ist, ein Garnende eines Garns auf einer Innenlagenseite der Spule (P1) zu halten,
    dadurch gekennzeichnet, dass
    der Befestigungsabschnitt (11) einen ringförmigen äußeren Ringabschnitt (11x) enthält, der dazu ausgelegt ist, eine äußere Umfangsfläche des Spulenkörpers (B1) mit einem Spalt dazwischen abzudecken und
    wobei das Garn auf der Innenlagenseite der Spule (P1) auf den äußeren Ringabschnitt aufwickelbar ist.
  2. Adapter nach Anspruch 1,
    wobei die erste Halteeinheit (12) einen ersten Arm (12a), von dem eine Basisendseite an dem Befestigungsabschnitt (11) befestigt ist, einen ersten Greifer (12b), der in einer vorderen Endseite des ersten Arms vorgesehen ist und dazu ausgelegt ist, um das Garnende des Garns auf der Außenlagenseite der Spule (P1) zu greifen, und eine erste Garnführung (12c), die dazu ausgelegt ist, um zumindest das Garn auf der Außenlagenseite der Spule (P1) einzuhaken, umfasst.
  3. Der Adapter nach Anspruch 1 oder 2,
    wobei die zweite Halteeinheit (13) einen zweiten Arm (13a), von dem eine Basisendseite an dem Befestigungsabschnitt (11) befestigt ist, einen zweiten Greifer (13b), der an einer vorderen Endseite des zweiten Arms vorgesehen ist und dazu ausgelegt ist, das Garnende des Garns auf der Innenlagenseite der Spule (P1) zu greifen, und eine zweite Garnführung (13c), die dazu ausgelegt ist, das Garn auf der Innenlagenseite der Spule (P1) einzuhaken, umfasst.
  4. Spulen-Wechselvorrichtung (7), umfassend:
    einen synthetischen Garnspleißer (66), der geeignet ist, Garn einer Spule (P1) und einer anderen Spule (P1), an der Adapter (10) nach einem der Ansprüche 1 bis 3 angebracht sind, zu verbinden, wobei das Garn auf der Innenlagenseite der jeweiligen Spule (P1) auf den jeweiligen äußeren Ringabschnitt des jeweiligen Adapters gewickelt ist; und
    eine Garnfang- und -führungseinheit (61), die geeignet ist, ein Garnende des Garns zu fangen, der von der ersten Halteeinheit (12) des an der einen Spule (P1) befestigten Adapters gehalten wird, um das Garnende zu dem synthetischen Garnspleißer (66) zu führen, und ein Garnende des Garns zu fangen, der von der zweiten Halteeinheit (13) des an der anderen Spule (P1) befestigten Adapters gehalten wird, um das Garnende zu dem synthetischen Garnspleißer (66) zu führen.
EP20188113.3A 2019-07-30 2020-07-28 Adapter und spulenaustauschvorrichtung Active EP3771672B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019140201 2019-07-30

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CN112299145A (zh) 2021-02-02
EP3771672A1 (de) 2021-02-03
TWI825337B (zh) 2023-12-11
JP7465740B2 (ja) 2024-04-11
JP2021024738A (ja) 2021-02-22
CN112299145B (zh) 2024-06-14
TW202104050A (zh) 2021-02-01

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