EP3771676A1 - Package exchanging device - Google Patents
Package exchanging device Download PDFInfo
- Publication number
- EP3771676A1 EP3771676A1 EP20188345.1A EP20188345A EP3771676A1 EP 3771676 A1 EP3771676 A1 EP 3771676A1 EP 20188345 A EP20188345 A EP 20188345A EP 3771676 A1 EP3771676 A1 EP 3771676A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- yarn
- package
- supply
- peg
- yarn supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims description 156
- 239000012209 synthetic fiber Substances 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 24
- 230000003028 elevating effect Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 7
- 238000005192 partition Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
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
- 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
- B65H67/064—Supplying or transporting cross-wound packages, also combined with transporting the empty core
- B65H67/065—Manipulators with gripping or holding means for transferring the packages from one station to another, e.g. from a conveyor to a creel trolley
-
- 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
- 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
- An aspect of the invention relates to a package exchanging device.
- 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 which joins yarns of two packages.
- the setting device and the yarn joining device are disposed in a base of the running device.
- the conventional package exchanging device two setting devices are arranged side by side in the running direction of the running device.
- an old package is collected from each peg by one setting device and a new package is attached to each peg by the other setting device.
- the old package is collected from the peg by positioning one setting device in front of the target peg and the new package is attached to the peg by running the running device and positioning the other setting device in front of the target peg.
- the conventional package exchanging device is insufficient in that the setting device needs to move by the running of the running device when exchanging the package.
- An object of an aspect of the invention is to provide a package exchanging device capable of improving work efficiency in exchanging a package.
- a package exchanging device is a package exchanging device for attaching a yarn supply package in which a synthetic yarn made of synthetic fibers is wound around a yarn supply bobbin to a peg provided in creel stands arranged in one direction, including: a collection device which collects the yarn supply bobbin from the peg; a supply device which attaches the yarn supply package to the peg; a yarn joining device which joins a yarn of the yarn supply package attached by the supply device and a yarn of the yarn supply package held by another peg; a moving device in which the collection device, the supply device, and the yarn joining device are disposed and which moves each of the collection device, the supply device, and the yarn joining device to a work position for the peg; and a running unit which moves a base supporting the moving device in the arrangement direction of the creel stands, in which the moving device includes a rotation support portion which supports the collection device, the supply device, and the yarn joining device and is provided so as to be rotatable around a rotation shaft
- the package exchanging device includes the moving device which moves each of the collection device, the supply device, and the yarn joining device to a work position for the peg.
- the moving device rotates the collection device, the supply device, and the yarn joining device around a rotation shaft so that each device is located at the work position.
- each device can be located at the work position without running the running unit to move the position of each device.
- it is possible to improve the work efficiency in exchanging the yarn supply package.
- the package exchanging device may further include a holding device which holds a plurality of the yarn supply packages, the moving device may position the supply device at a work position for the holding device, and the supply device may acquire the yarn supply package from the holding device.
- the package exchanging device since the yarn supply package is held in the holding device, it is possible to acquire the yarn supply package from the holding device. For that reason, in the package exchanging device, there is no need to go to the storage position of the yarn supply package whenever exchanging the yarn supply package. Thus, in the package exchanging device, it is possible to improve the work efficiency in exchanging the yarn supply package.
- the peg may include a rotation mechanism which rotates the yarn supply package and the yarn joining device may include an operation mechanism which drives the rotation mechanism of the peg.
- the yarn joining device draws the yarn from the yarn supply package
- the yarn supply package supported by the peg can be rotated. For that reason, an excessive tension applied to the yarn can be prevented when the yarn joining device catches and draws the yarn of the yarn supply package.
- the package exchanging device the occurrence of yarn breakage during the yarn joining operation can be prevented.
- the yarn joining device may catch and join a first yarn end of the one yarn supply package and a second yarn end of the other yarn supply package after the yarn supply package is attached to the peg by the supply device.
- the entangled yarn may be unraveled due to the tension applied to the yarn during the attachment operation of the yarn supply package.
- the exchange of the yarn supply package ends in failure and hence the work needs to be performed again.
- the yarn joining device performs the yarn joining operation after the yarn supply package is attached to the peg by the supply device.
- the package exchanging device it is possible to prevent a problem that the entangled yarn may be unraveled during the attachment operation of the yarn supply package. As a result, in the package exchanging device, it is possible to improve the work efficiency in exchanging the yarn supply package.
- 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 PI (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 PI 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 PI 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 PI between a position where the yarn supply package PI 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 PI 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 PI 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 PI 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 PI 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 PI 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 PI 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 PI supported by the first peg 24a and the yarn Y of the yarn supply package PI 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 PI 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 PI supported by the second peg 24b. Accordingly, one yarn Y is supplied from the yarn supply package PI 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 PI 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 PI and regulates the movement of the yarn supply package PI 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 PI is attached and a supply position where the yarn Y is supplied.
- the package replenishing device 6 supplies the yarn supply package PI to the package exchanging device 7.
- the package replenishing device 6 temporarily stores the yarn supply package PI transported by the first transporting device 3 and supplies the yarn supply package PI 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 PI 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 PI 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 the operator 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 PI as many as the yarn supply packages PI held by the package replenishing device 6.
- the holding unit 32 receives the yarn supply package PI supplied from the package replenishing device 6, temporarily stores the yarn supply package PI, and supplies the yarn supply package PI 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 PI is supplied from the package replenishing device 6 and a supply position (see FIG. 8A ) in which the yarn supply package PI 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 PI 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 PI 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 PI 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 PI 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 PI 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 PI 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. Accordingly, the second package support member 51b contacts the yarn supply package PI so that the yarn supply package PI is lifted and the yarn supply package PI 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 PI from the holding unit 32.
- a supply operation in which the supply device 50 supplies the yarn supply package PI to the peg 24 will be described.
- 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 PI so that the yarn supply package PI 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 PI to the peg 24.
- the yarn joining device 60 joins the yarn Y of the yarn supply package PI supported by the first peg 24a and the yarn Y of the yarn supply package PI 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 PI 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 PI supported by one peg 24 and the second yarn end Y2 of the yarn Y of the yarn supply package PI 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 PI so that the yarn Y is fed from the yarn supply package PI 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 PI supported by the first peg 24a and the yarn Y of the yarn supply package PI 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 PI 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 PI 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 PI supported by the first peg 24a and the second yarn end Y2 on the inner layer side of the yarn supply package PI 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 PI 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 PI supported by the first peg 24a and catches the second yarn end Y2 from the adapter 10 of the yarn supply package PI 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 PI is rotated. Accordingly, the yarn Y is drawn out from the yarn supply package PI 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 PI supported by the first peg 24a and the second yarn end Y2 on the inner layer side of the yarn supply package PI 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 PI to the first peg 24a, a position in which the supply device 50 supplies the yarn supply package PI 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 PI 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 moving device 70 stops the rotation support portion 71 at a first stop position SP1 in which the collection device 40 is disposed so as to face the first peg 24a.
- the moving device 70 stops the rotation support portion 71 at a second stop position SP2 in which the collection device 40 is disposed so as to face the second peg 24b.
- the moving device 70 stops the rotation support portion 71 at a third stop position SP3 in which the supply device 50 is disposed so as to face the first peg 24a.
- the moving device 70 stops the rotation support portion 71 at a fourth stop position SP4 in which the supply device 50 is disposed so as to face the second peg 24b.
- the moving device 70 stops the rotation support portion 71 at a fifth stop position SP5 in which the yarn joining device 60 is disposed so as to face the first peg 24a and the second peg 24b.
- the moving device 70 stops the rotation support portion 71 at a sixth stop position SP6 in which the supply device 50 is disposed so as to face the package support portion 32b of the holding unit 32.
- the moving device 70 stops the rotation support portion 71 at a seventh stop position SP7 in which the collection device 40 is disposed so as to face the package support portion 32b of the holding unit 32.
- the package exchanging device 7 runs to the package replenishing device 6 when the yarn supply package PI held by the holding unit 32 disappears.
- the holding unit 32 rotates the package support portion 32b.
- the holding unit 32 operates the drive unit 32c so that the package support portion 32b is located at a replenishment position (see FIG. 8A ).
- the package replenishing device 6 transfers the yarn supply package PI to the holding unit 32 by a transfer device. Accordingly, the yarn supply package PI is supplied (replenished) to the package support portion 32b of the holding unit 32.
- the collected yarn supply bobbin B1 is held by the holding unit 32, the collected yarn supply bobbin B1 is transferred to the package replenishing device 6 and then the yarn supply package PI is supplied to the holding unit 32.
- the package exchanging device 7 moves the exchange unit 33 to a height position of a predetermined peg 24 when the package exchanging device runs to a position before the creel stand 20 that requires the exchange of the yarn supply package P1.
- the rotation device 35 of the package exchanging device 7 operates the first drive mechanism 36 so that the first peg 24a is rotated and the first peg 24a is located at an exchange position.
- the moving device 70 stops the rotation support portion 71 at the first stop position SP1 (see FIG. 15A ) and locates the collection device 40 at a work position. Specifically, the moving device 70 rotates the rotation support portion 71 by driving the exchange unit driving unit 72. Next, the collection device 40 collects the yarn supply bobbin B1 from the first peg 24a. The collection device 40 collects the yarn supply bobbin B1 by the first support mechanism 41.
- the moving device 70 stops the rotation support portion 71 at the third stop position SP3 (see FIG. 16A ) and locates the supply device 50 at a work position. Then, the supply device 50 attaches the yarn supply package PI to the first peg 24a by the second support mechanism 51. When the yarn supply package PI is attached to the first peg 24a, the rotation device 35 operates the first drive mechanism 36 so as to rotate the first peg 24a and position the first peg 24a at a supply position.
- the moving device 70 stops the rotation support portion 71 at the fifth stop position SP5 (see FIG. 17A ) and locates the yarn joining device 60 at a work position. Then, the yarn joining device 60 allows the catching and guiding mechanism 61 to catch the first yarn end Y1 from the adapter 10 of the yarn supply package PI supported by the first peg 24a and to catch the second yarn end Y2 from the adapter 10 of the yarn supply package PI 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. The yarn joining device 60 joins the caught first and second yarn ends Y1 and Y2. As described above, the exchange of the yarn supply package PI ends.
- the yarn joining device 60 preferably ends the joining operation of the first yarn end Y1 and the second yarn end Y2 and then operates the first peg 24a by the first rotation mechanism 62 and operates the second peg 24b by the second rotation mechanism 63 so as to rotate the yarn supply package PI and position the yarn supply package PI at a predetermined position.
- the predetermined position is appropriately set by the inner shape of the bobbin cap BC attached to the yarn supply package P1.
- the attachment position of the bobbin cap BC corresponds to the attachment position of the adapter 10. For that reason, it is possible to detect the position (direction) of the bobbin cap BC by detecting the position of the adapter 10.
- the package exchanging device 7 includes the moving device 70 which 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.
- the moving device 70 locates each device at a work position by rotating the collection device 40, the supply device 50, and the yarn joining device 60 around a rotation shaft extending in the vertical direction. In this way, in the package exchanging device 7, it is possible to position each device at a work position without moving the position of each device for allowing the running carrier 30 to run. Thus, in the package exchanging device 7, it is possible to improve the work efficiency in exchanging the yarn supply package P1.
- the package exchanging device 7 includes the holding unit 32 which holds the plurality of yarn supply packages P1.
- the moving device 70 locates the collection device 40 or the supply device 50 at a work position for the holding unit 32.
- the supply device 50 located at the work position acquires the yarn supply package PI from the holding unit 32.
- the collection device 40 located at the work position transfers the collected yarn supply bobbin B1 to the holding unit 32.
- the collected yarn supply bobbin B1 does not need to be returned to the storage position in each exchange operation.
- the peg 24 includes the rotation mechanism 25c which rotates the yarn supply package P1.
- the yarn joining device 60 includes the first rotation mechanism 62 and the second rotation mechanism 63 which drive the rotation mechanism 25c of the peg 24.
- the yarn joining device 60 draws the yarn Y from the yarn supply package PI
- the yarn supply package PI supported by the peg 24 can be rotated. For that reason, an excessive tension applied to the yarn Y can be prevented when the yarn joining device 60 catches the yarn Y of the yarn supply package PI and draws the yarn Y
- the package exchanging device 7 the occurrence of yarn breakage during the yarn joining operation can be prevented.
- the yarn joining device 60 catches and joins the first yarn end Y1 of one yarn supply package PI and the second yarn end Y2 of the other yarn supply package PI after the yarn supply package PI is attached to the peg 24 by the supply device 50.
- the entangled yarn Y may be unraveled due to the tension applied to the yarn Y during the attachment operation of the yarn supply package P1. In this case, the exchange of the yarn supply package PI ends in failure and hence the work needs to be performed again.
- the yarn joining device 60 performs the yarn joining operation after the yarn supply package PI is attached to the peg 24 by the supply device 50. For that reason, in the package exchanging device 7, it is possible to prevent a problem that the entangled yarn Y may be unraveled during the attachment operation of the yarn supply package P1. As a result, in the package exchanging device 7, it is possible to improve the work efficiency in exchanging the yarn supply package P1.
- an example of the false-twisting system 1 including the false-twisting machine 2 has been described as a textile machine.
- the textile machine is not limited to the false-twisting machine, but may be another textile machine.
- 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 may include one or more (three or more) package support members.
- the peg 24 includes the rotation mechanism 25c rotating the package support members 25a and 25b has been described.
- the peg 24 may not include the rotation mechanism 25c. That is, the peg 24 may not rotate the yarn supply package P1.
- the first wheel 25j of the rotation mechanism 25c of the peg 24 is a Geneva wheel
- the first yarn joining driver 62a and the second yarn joining driver 63a of the first rotation mechanism 62 and the second rotation mechanism 63 of the yarn joining device 60 are the Geneva drivers
- the package support members 25a and 25b are rotated by the Geneva mechanism
- the package support members 25a and 25b may be rotated by another mechanism (for example, a mechanism using a pulley and a belt).
- the rotation mechanism 25c of the peg 24 is operated by the first rotation mechanism 62 and the second rotation mechanism 63 of the yarn joining device 60 to rotate the package support members 25a and 25b has been described.
- the yarn joining device 60 may not include the first rotation mechanism 62 and the second rotation mechanism 63.
- the rotation mechanism 25c of the peg 24 may include a drive unit (a motor or the like).
- the collection device 40 includes the first support mechanism 41 and the first collection drive mechanism 42 .
- the configuration of the collection device 40 is not limited thereto and one capable of collecting the yarn supply bobbin B1 from the peg 24 may be used.
- the supply device 50 includes the second support mechanism 51 and the second supply drive mechanism 52 has been described.
- the configuration of the supply device 50 is not limited thereto and one capable of attaching the yarn supply package PI to the peg 24 may be used.
- the first drive mechanism 36 of the rotation device 35 includes the first rotation driver 36a and the first rotation arm portion 36b has been described.
- the configuration of the first drive mechanism 36 is not limited thereto and a mechanism capable of rotating the peg 24 may be used.
- the catching and guiding mechanism 61 of the yarn joining device 60 includes the suction portion 61a and the yarn joining arm portion 61b has been described.
- the configuration of the catching and guiding mechanism 61 is not limited thereto and a mechanism catching the yarn Y of the yarn supply package PI and guiding the yarn to the splicer 66 may be used.
- the first rotation mechanism 62 of the yarn joining device 60 includes the first yarn joining driver 62a, the first motor 62b, and the first yarn joining arm portion 62c has been described.
- the first rotation mechanism 62 may be a mechanism capable of rotating the rotation mechanism 25c of the peg 24. The same applies to the second rotation mechanism 63.
- the rotation support portion 71 of the moving device 70 includes the Geneva wheel
- the exchange unit driving unit 72 is the Geneva driver
- the rotation support portion 71 is rotated by the Geneva mechanism
- the rotation support portion 71 may be rotated by another mechanism.
- the moving device 70 stops the rotation support portion 71 at seven positions.
- the moving device 70 may stop the rotation support portion 71 at seven or more positions.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Unwinding Of Filamentary Materials (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
Description
- An aspect of the invention relates to a package exchanging device.
- As a conventional package exchanging device, for example, a device described in Patent Literature 1 (Japanese Unexamined Patent Publication No.
H4-66479 - In the conventional package exchanging device, two setting devices are arranged side by side in the running direction of the running device. In the conventional package exchanging device, an old package is collected from each peg by one setting device and a new package is attached to each peg by the other setting device. For that reason, in the conventional package exchanging device, the old package is collected from the peg by positioning one setting device in front of the target peg and the new package is attached to the peg by running the running device and positioning the other setting device in front of the target peg. In this way, the conventional package exchanging device is insufficient in that the setting device needs to move by the running of the running device when exchanging the package.
- An object of an aspect of the invention is to provide a package exchanging device capable of improving work efficiency in exchanging a package.
- A package exchanging device according to an aspect of the invention is a package exchanging device for attaching a yarn supply package in which a synthetic yarn made of synthetic fibers is wound around a yarn supply bobbin to a peg provided in creel stands arranged in one direction, including: a collection device which collects the yarn supply bobbin from the peg; a supply device which attaches the yarn supply package to the peg; a yarn joining device which joins a yarn of the yarn supply package attached by the supply device and a yarn of the yarn supply package held by another peg; a moving device in which the collection device, the supply device, and the yarn joining device are disposed and which moves each of the collection device, the supply device, and the yarn joining device to a work position for the peg; and a running unit which moves a base supporting the moving device in the arrangement direction of the creel stands, in which the moving device includes a rotation support portion which supports the collection device, the supply device, and the yarn joining device and is provided so as to be rotatable around a rotation shaft and an exchange unit driving unit which rotationally drives the rotation support portion.
- The package exchanging device according to an aspect of the invention includes the moving device which moves each of the collection device, the supply device, and the yarn joining device to a work position for the peg. The moving device rotates the collection device, the supply device, and the yarn joining device around a rotation shaft so that each device is located at the work position. In this way, in the package exchanging device, each device can be located at the work position without running the running unit to move the position of each device. Thus, in the package exchanging device, it is possible to improve the work efficiency in exchanging the yarn supply package.
- In one embodiment, the package exchanging device may further include a holding device which holds a plurality of the yarn supply packages, the moving device may position the supply device at a work position for the holding device, and the supply device may acquire the yarn supply package from the holding device. In this configuration, since the yarn supply package is held in the holding device, it is possible to acquire the yarn supply package from the holding device. For that reason, in the package exchanging device, there is no need to go to the storage position of the yarn supply package whenever exchanging the yarn supply package. Thus, in the package exchanging device, it is possible to improve the work efficiency in exchanging the yarn supply package.
- In one embodiment, the peg may include a rotation mechanism which rotates the yarn supply package and the yarn joining device may include an operation mechanism which drives the rotation mechanism of the peg. In this configuration, when the yarn joining device draws the yarn from the yarn supply package, the yarn supply package supported by the peg can be rotated. For that reason, an excessive tension applied to the yarn can be prevented when the yarn joining device catches and draws the yarn of the yarn supply package. Thus, in the package exchanging device, the occurrence of yarn breakage during the yarn joining operation can be prevented. As a result, in the package exchanging device, it is possible to improve the work efficiency in exchanging the yarn supply package.
- In one embodiment, the yarn joining device may catch and join a first yarn end of the one yarn supply package and a second yarn end of the other yarn supply package after the yarn supply package is attached to the peg by the supply device. For example, in a configuration in which the yarn supply package is attached to the peg after the yarn joining operation, the entangled yarn may be unraveled due to the tension applied to the yarn during the attachment operation of the yarn supply package. In this case, the exchange of the yarn supply package ends in failure and hence the work needs to be performed again. In the package exchanging device, the yarn joining device performs the yarn joining operation after the yarn supply package is attached to the peg by the supply device. For that reason, in the package exchanging device, it is possible to prevent a problem that the entangled yarn may be unraveled during the attachment operation of the yarn supply package. As a result, in the package exchanging device, it is possible to improve the work efficiency in exchanging the yarn supply package.
- According to an aspect of the invention, it is possible to improve the work efficiency in exchanging the package.
-
-
FIG. 1 is a diagram illustrating a configuration of a false-twisting system according to an embodiment. -
FIG. 2 is a perspective view illustrating a package holding unit of a first transporting device. -
FIG. 3 is a perspective view illustrating a yarn supply package to which an adapter is attached. -
FIG. 4 is a perspective view illustrating a package holding unit of a second transporting device. -
FIG. 5 is a perspective view illustrating a creel stand. -
FIG. 6 is a perspective view illustrating a peg. -
FIG. 7 is a perspective view illustrating a package exchanging device. -
FIG. 8A is a perspective view illustrating a holding unit. -
FIG. 8B is a perspective view illustrating the holding unit. -
FIG. 9 is a diagram illustrating a configuration of an exchange unit. -
FIG. 10 is a side view illustrating a collection device. -
FIG. 11 is a side view illustrating a supply device. -
FIG. 12 is a perspective view illustrating a yarn joining device. -
FIG. 13 is a perspective view illustrating the yarn joining device. -
FIG. 14 is a perspective view illustrating the yarn joining device. -
FIG. 15A is a diagram illustrating a stop position of a collection device. -
FIG. 15B is a diagram illustrating the stop position of the collection device. -
FIG. 16A is a diagram illustrating a stop position of a supply device. -
FIG. 16B is a diagram illustrating the stop position of the supply device. -
FIG. 17A is a diagram illustrating a stop position of the yarn joining device. -
FIG. 17B is a diagram illustrating the stop position of the supply device. -
FIG. 17C is a diagram illustrating the stop position of the collection device. - Hereinafter, preferred embodiments of the invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or corresponding components will be denoted by the same reference numerals and redundant description will be omitted.
- As illustrated in
FIG. 1 , a false-twisting system 1 includes a false-twistingmachine 2, a first transportingdevice 3, a second transportingdevice 4, ayarn supply unit 5, apackage replenishing device 6, and apackage exchanging device 7. The false-twisting system 1 includes a control device (not illustrated) which overally controls the false-twistingmachine 2, the first transportingdevice 3, the second transportingdevice 4, thepackage replenishing device 6, and thepackage exchanging device 7. In the false-twisting system 1 according to this embodiment, each of the false-twistingmachine 2, the first transportingdevice 3, the second transportingdevice 4, theyarn supply unit 5, thepackage replenishing device 6, and thepackage exchanging device 7 is provided as a plurality of units. In the following description, the "Z direction" illustrated in the drawing is the vertical direction (up and down direction), the "X direction" is the horizontal direction, and 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 (seeFIG. 3 ) supplied from a plurality of yarn supply packages PI (seeFIG. 2 ). The yarn Y is, for example, a synthetic yarn made of thermoplastic synthetic fibers such as polyester and polyamide. The yarn supply package PI is formed by winding a partially oriented yarn (POY) on a yarn supply bobbin B1 (seeFIG. 2 ). The winding package P2 is formed by winding a draw textured yarn (DTY) on a winding bobbin B2 (seeFIG. 4 ). - The false-twisting
machine 2 forms the winding package P2 by processing the yarn Y The false-twistingmachine 2 includes amain base 2a and two winding tables 2b. Themain 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. Themain 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 themain base 2a in the Y direction (the width direction of themain base 2a). That is, two winding tables 2b are disposed at positions sandwiching themain base 2a. - The false-twisting
machine 2 twists the yarns Y supplied from the plurality of yarn supply packages PI and winds the processed yarn on the winding bobbin B2 so as to form the winding package P2 (seeFIG. 4 ). The false-twistingmachine 2 supplies the formed winding package P2 to the second transportingdevice 4. - The first transporting
device 3 transports the yarn supply package P1. The first transportingdevice 3 runs along, for example, a first rail R1 suspended from a ceiling. For example, the first rail R1 is disposed between one false-twistingmachine 2 and the other false-twistingmachine 2 and between the winding table 2b and theyarn supply unit 5. The first transportingdevice 3 transports the yarn supply package PI between a position where the yarn supply package PI is supplied and a predeterminedpackage replenishing device 6. As illustrated inFIG. 2 , the first transportingdevice 3 includes a firstpackage holding unit 3a. The firstpackage holding unit 3a is suspended from the first rail R1. The firstpackage holding unit 3a holds the plurality of (for example, twelve) yarn supply packages P1. The firstpackage holding unit 3a supports the yarn supply package PI by a support member (not illustrated) inserted into the yarn supply bobbin B1 of the yarn supply package P1. - As illustrated in
FIG. 3 , anadapter 10 is attached to the yarn supply package P1. Theadapter 10 holds the yarn Y. Theadapter 10 includes anattachment portion 11, afirst holding unit 12, and asecond holding unit 13. Theattachment portion 11 is attached to the yarn supply bobbin B1 of the yarn supply package PI so as to be rotatable in a synchronization manner. Theattachment portion 11 has a cylindrical shape. Theattachment 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. Thefirst holding unit 12 is provided in theattachment portion 11. Thefirst holding unit 12 includes afirst arm 12a, afirst gripper 12b, and afirst yarn guide 12c. Thefirst arm 12a extends in the radial direction of theattachment portion 11 while the base end side is fixed to the side surface of theattachment portion 11. Thefirst gripper 12b grips the first yarn end Y1. Thefirst gripper 12b is provided at the front end side of thefirst arm 12a. Thefirst yarn guide 12c is provided in thefirst 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. Thesecond holding unit 13 is provided in theattachment portion 11. Thesecond holding unit 13 includes asecond arm 13a, asecond gripper 13b, and asecond yarn guide 13c. Thesecond arm 13a extends in the radial direction of theattachment portion 11 while the base end side is fixed to the side surface of theattachment portion 11. Thesecond arm 13a is disposed so as to be located on the same line as thefirst arm 12a. Thesecond gripper 13b grips the second yarn end Y2. Thesecond gripper 13b is provided at the front end side of thesecond arm 13a. Thesecond yarn guide 13c is provided in thesecond arm 13a. - In the
adapter 10, the first yarn end Y1 drawn from the outer layer side of the yarn supply package PI is gripped by thefirst gripper 12b through thefirst yarn guide 12c of thefirst holding unit 12 and the second yarn end Y2 drawn from the inner layer side of the yarn supply package PI is gripped by thesecond gripper 13b through thefirst yarn guide 12c of thefirst holding unit 12 and thesecond yarn guide 13c of thesecond holding unit 13. Theadapter 10 is attached to the yarn supply package PI by, for example, an operator. A bobbin cap BC (seeFIG. 2 ) may be attached to the yarn supply bobbin B1 at an end portion opposite to the end portion to which theadapter 10 is attached. - As illustrated in
FIG. 4 , the second transportingdevice 4 transports the winding package P2. The second transportingdevice 4 runs along the first rail R1. The second transportingdevice 4 transports the winding package P2 between a predetermined false-twistingmachine 2 and a storage facility (not illustrated) of the winding package P2. The second transportingdevice 4 includes a secondpackage holding unit 4a. The secondpackage holding unit 4a is suspended from the first rail R1. A plurality of (for example, sixteen) winding packages P2 are respectively held through the secondpackage holding unit 4a. Specifically, the winding package P2 is held by supporting both end portions of each winding bobbin B2 with a package receiver. - As illustrated in
FIG. 1 , theyarn supply unit 5 supplies the yarn Y to the false-twistingmachine 2. Theyarn supply unit 5 is disposed adjacent to the false-twistingmachine 2. Theyarn supply unit 5 is disposed at a position facing the winding table 2b of the false-twistingmachine 2 in the Y direction. Theyarn supply unit 5 extends in the X direction. Theyarn 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. In theyarn supply unit 5 according to this embodiment, the pair of creel stands 20 is arranged back to back in the Y direction. - As illustrated in
FIG. 5 , thecreel stand 20 includes acreel base 21, fourfirst columns partition plate 23, and a plurality ofpegs 24. Thecreel base 21 is a frame-shaped frame body. Fourfirst columns 22a to 22d are provided upright in thecreel base 21. Fourfirst columns 22a to 22d extend in the Z direction. Fourfirst columns 22a to 22d are respectively arranged at predetermined intervals in the X direction and at predetermined intervals in the Y direction. Thepartition plate 23 is provided in thefirst columns 22a to 22d. Thepartition plates 23 are arranged at predetermined intervals in the Z direction of thefirst columns 22a to 22d. Thepartition plate 23 prevents the yarn supply package PI from falling. - The
peg 24 supports the yarn supply package P1. Thepeg 24 is provided in thefirst columns first columns peg 24 is disposed between the pair ofpartition plates 23. Thepeg 24 provided in thefirst column 22a and thepeg 24 provided in thefirst column 22b are arranged at the same height position. In the following description, thepeg 24 provided in thefirst column 22a is referred to as a "first peg 24a" and thepeg 24 provided in thefirst column 22b is referred to as a "second peg 24b". - The
first peg 24a and thesecond peg 24b are used as pairs. In this configuration, the yarn Y of the yarn supply package PI supported by thefirst peg 24a and the yarn Y of the yarn supply package PI supported by thesecond peg 24b are connected to each other. Specifically, 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 PI supported by thefirst 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 PI supported by thesecond peg 24b. Accordingly, one yarn Y is supplied from the yarn supply package PI supported by a pair of thefirst peg 24a and thesecond peg 24b. - As illustrated in
FIG. 6 , thepeg 24 includes a yarn supplypackage support portion 25 and apeg body 26. The yarn supplypackage support portion 25 supports the yarn supply package P1. The yarn supplypackage support portion 25 includespackage support members rotation mechanism 25c. Thepackage support members package support members peg body 26. Thepackage support members peg 24 supports the yarn supply package PI at two points by thepackage support members - A covering
portion 25d is provided in one end portion of thepackage support member 25a in the extending direction. A coveringportion 25e is provided in one end portion of thepackage support member 25b in the extending direction. The coveringportions portions package support member 25a and one end of thepackage support member 25b are connected to each other by aconnection member 25f. - The
rotation mechanism 25c includes a drivenpulley 25g, adrive pulley 25h, apower transmission belt 25i, and afirst wheel 25j. - The driven
pulley 25g is provided in the other end of thepackage support member 25a. Thedrive pulley 25h is provided in the other end of thepackage support member 25b. Thepower transmission belt 25i is stretched over the drivenpulley 25g and thedrive pulley 25h. Thefirst wheel 25j is provided in thedrive pulley 25h (thepackage support member 25b). In this embodiment, thefirst wheel 25j is a Geneva wheel that constitutes a Geneva mechanism. Thefirst wheel 25j is rotated by the rotational driving of a firstyarn joining driver 62a or a secondyarn joining driver 63a of ayarn joining device 60 to be described later. In the yarn supplypackage support portion 25, thepackage support member 25a and thepackage support member 25b rotate in a synchronization manner by the rotation of thefirst wheel 25j. - The
peg body 26 includes apeg body 26a and arotation transmitting member 26b. Thepeg body 26a is a member having a rectangular parallelepiped shape. Thepeg body 26a supports thepackage support member 25a and thepackage support member 25b of the yarn supplypackage support portion 25 so as to be rotatable around the rotation shaft. Thepeg body 26a is provided with aregulation member 26c. Theregulation member 26c has, for example, a disk shape. Theregulation member 26c is disposed on one side surface of thepeg body 26a. Theregulation member 26c is attached by inserting thepackage support member 25a and thepackage support member 25b. Theregulation member 26c faces the end surface of the yarn supply package PI and regulates the movement of the yarn supply package PI in the extending direction of thepackage support member 25a and thepackage support member 25b. Aninsertion hole 26d is formed in thepeg body 26a. Thefirst column 22a or thefirst column 22b of thecreel stand 20 is inserted through theinsertion hole 26d. - The
rotation transmitting member 26b supports thepeg body 26a. Thepeg body 26a is fixed to the upper end portion of therotation transmitting member 26b. Therotation transmitting member 26b has a cylindrical shape. A hollow portion of therotation transmitting member 26b communicates with theinsertion hole 26d of thepeg body 26a. Thefirst columns creel stand 20 are coaxially inserted through therotation transmitting member 26b. The lower end portion of therotation transmitting member 26b is provided with asecond wheel 26e. In this embodiment, thesecond wheel 26e is a Geneva wheel that constitutes a Geneva mechanism. Thesecond wheel 26e rotates by the driving of thefirst rotation driver 36a or thesecond rotation driver 37a of arotation device 35 to be described later. Thepeg body 26 rotates with the rotation of thesecond wheel 26e. Accordingly, the yarn supplypackage support portion 25 rotates. Thepeg 24 rotates between an exchange position where the yarn supply bobbin B1 is collected and the yarn supply package PI is attached and a supply position where the yarn Y is supplied. - As illustrated in
FIG. 1 , thepackage replenishing device 6 supplies the yarn supply package PI to thepackage exchanging device 7. Thepackage replenishing device 6 temporarily stores the yarn supply package PI transported by the first transportingdevice 3 and supplies the yarn supply package PI to thepackage exchanging device 7. Thepackage replenishing device 6 stores the plurality of (for example, four) yarn supply packages P1. Thepackage replenishing device 6 includes a transfer mechanism (not illustrated) which transfers the yarn supply package PI from the first transportingdevice 3. - The
package exchanging device 7 collects the yarn supply bobbin B1 from thepeg 24 and attaches the yarn supply package PI to thepeg 24. As illustrated inFIG. 7 , thepackage 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, thepackage exchanging device 7 runs along the X direction. Thepackage exchanging device 7 moves between one end of theyarn supply unit 5 and the other end of theyarn supply unit 5 where thepackage replenishing device 6 is disposed. - The
package exchanging device 7 includes a running carrier (a running unit) 30, an elevatingunit 31, a holding unit (a holding device) 32, and anexchange unit 33. Further, thepackage exchanging device 7 includes a control unit (not illustrated) which controls the operation of each unit. - The running
carrier 30 includes a runningbase 30a and acolumn support portion 30b. The runningbase 30a has a rectangular parallelepiped shape. The runningbase 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 runningbase 30a. Thecolumn support portion 30b includes foursecond columns wall portion 30g. Thesecond columns 30c to 30f and thewall portion 30g extend in the Z direction. Thesecond column 30c is disposed at one end portion in the X direction and one end portion in the Y direction in the runningbase 30a. Thesecond column 30c is disposed at a corner portion of the runningbase 30a. Thesecond column 30d is disposed at one end portion in the X direction and the other end portion in the Y direction in the runningbase 30a. Thesecond column 30c and thesecond column 30d are disposed at positions facing each other in the Y direction. Thesecond column 30d is disposed at a corner portion of the runningbase 30a. - The
second column 30e is disposed at a position facing thesecond column 30c in the X direction so that a predetermined gap is formed with respect to thesecond column 30c. Thesecond column 30f is disposed at the other end portion of the runningbase 30a in the Y direction between thesecond column 30c and thesecond column 30e in the X direction. Thesecond column 30f is disposed so as to face thesecond column 30d in the X direction. Thewall portion 30g extends in the X direction. Thewall portion 30g is disposed at the other end portion in the X direction and the other end portion in the Y direction in the runningbase 30a. That is, thewall portion 30g is disposed at a corner portion of the runningbase 30a. Thewall portion 30g is disposed so as to face thesecond column 30e in the Y direction and is disposed so as to face thesecond column 30f in the X direction. - The elevating
unit 31 moves up and down with the operator on board. The elevatingunit 31 is used during maintenance or the like. The elevatingunit 31 is disposed at the other end portion in the X direction in the runningbase 30a of the runningcarrier 30. The elevatingunit 31 includes aguide portion 31a and an elevatingportion 31b. - The
guide portion 31a is a guide rail. Theguide portion 31a is disposed in thewall portion 30g of thecolumn support portion 30b of the runningcarrier 30. Theguide portion 31a extends in the Z direction. The elevatingportion 31b is a working table on which the operator gets. The elevatingportion 31b has a box shape. The elevatingportion 31b is provided so as to be movable up and down in the Z direction along theguide portion 31a. The elevatingportion 31b moves along theguide portion 31a by a drive mechanism (not illustrated). - The holding
unit 32 holds the plurality of (for example, four) yarn supply packages P1. The holdingunit 32 holds the yarn supply packages PI as many as the yarn supply packages PI held by thepackage replenishing device 6. The holdingunit 32 receives the yarn supply package PI supplied from thepackage replenishing device 6, temporarily stores the yarn supply package PI, and supplies the yarn supply package PI to theexchange unit 33. - As illustrated in
FIG. 8A and FIG. 8B , the holdingunit 32 includes amain body frame 32a, apackage support portion 32b, and adrive unit 32c. Themain body frame 32a is disposed in the runningbase 30a of the runningcarrier 30. Themain body frame 32a is disposed at one end portion of the runningbase 30a in the X direction. - The
package support portion 32b supports the yarn supply package P1. Thepackage support portion 32b is provided so as to be rotatable. Thepackage support portion 32b rotates in the range of about 90°. Thepackage support portion 32b rotates between a replenishment position (seeFIG. 8B ) in which the yarn supply package PI is supplied from thepackage replenishing device 6 and a supply position (seeFIG. 8A ) in which the yarn supply package PI is supplied to theexchange unit 33. Thedrive unit 32c rotates thepackage support portion 32b. Thedrive unit 32c is, for example, an air cylinder. - The
exchange unit 33 exchanges the yarn supply bobbin B1 and the yarn supply package PI in thepeg 24. Specifically, theexchange unit 33 collects the yarn supply bobbin B1 from thepeg 24 and attaches the yarn supply package PI to thepeg 24. As illustrated inFIG. 7 , theexchange unit 33 is provided adjacent to the holdingunit 32. As illustrated inFIG. 9 , theexchange unit 33 includes abase 34, arotation device 35, acollection device 40, asupply device 50, ayarn joining device 60, and a movingdevice 70. - The
base 34 supports therotation device 35, thecollection device 40, thesupply device 50, and theyarn joining device 60. Thebase 34 is provided so as to be movable up and down along thecolumn support portion 30b of the runningcarrier 30. Thebase 34 is provided at a position accessible to the holdingunit 32. - The
rotation device 35 rotates thepeg 24 of thecreel stand 20. Therotation device 35 is fixed to thebase 34. Therotation device 35 is disposed at a position facing theyarn supply unit 5 in thebase 34. Therotation device 35 includes afirst drive mechanism 36 and asecond drive mechanism 37. - The
first drive mechanism 36 rotates thefirst peg 24a of thecreel stand 20. Thefirst drive mechanism 36 includes afirst rotation driver 36a and a firstrotation arm portion 36b. Thefirst rotation driver 36a rotates thesecond wheel 26e of thefirst peg 24a. Thefirst rotation driver 36a is a Geneva driver that constitutes a Geneva mechanism. Thefirst rotation driver 36a rotates by the rotational driving of a motor (not illustrated). The firstrotation arm portion 36b supports thefirst rotation driver 36a. The firstrotation arm portion 36b is provided so as to be swingable in the horizontal direction. The firstrotation arm portion 36b is driven by, for example, a motor or an air cylinder (not illustrated). - The
second drive mechanism 37 rotates thesecond peg 24b of thecreel stand 20. Thesecond drive mechanism 37 includes asecond rotation driver 37a and a secondrotation arm portion 37b. Thesecond rotation driver 37a rotates thesecond wheel 26e of thesecond peg 24b. Thesecond rotation driver 37a is a Geneva driver that constitutes a Geneva mechanism. Thesecond rotation driver 37a rotates by the rotational driving of a motor (not illustrated). The secondrotation arm portion 37b supports thesecond rotation driver 37a. The secondrotation arm portion 37b is provided so as to be swingable in the horizontal direction. The secondrotation arm portion 37b is driven by, for example, a motor or an air cylinder (not illustrated). - The
rotation device 35 changes the direction of thepeg 24 by rotating thepeg 24 when attaching the yarn supply package PI to thepeg 24. Therotation device 35 operates thefirst drive mechanism 36 or thesecond drive mechanism 37 corresponding to thetarget peg 24. For example, when thefirst drive mechanism 36 is operated, therotation device 35 swings the firstrotation arm portion 36b so that thefirst rotation driver 36a engages with thesecond wheel 26e of thefirst peg 24a. Therotation device 35 rotates thefirst rotation driver 36a in one direction when thefirst rotation driver 36a engages with thesecond wheel 26e. In thepeg 24, when thesecond wheel 26e rotates, therotation transmitting member 26b rotates. Accordingly, thepeg 24 rotates so that the front end portions of thepackage support members exchange unit 33. - The
collection device 40 collects the yarn supply bobbin B1 to which theadapter 10 is attached from thepeg 24. As illustrated inFIG. 10 , thecollection device 40 includes afirst support mechanism 41 and a firstcollection drive mechanism 42. Thefirst support mechanism 41 supports the yarn supply bobbin B1. Further, thefirst support mechanism 41 moves forward and backward with respect to thepeg 24 so as to collect the yarn supply bobbin B1. Thefirst support mechanism 41 includes afirst slide portion 41a and a firstpackage support member 41b. - The
first slide portion 41a includes a firstlinear guide 41c. A part of thefirst slide portion 41a can move in a predetermined direction through the firstlinear guide 41c. The firstpackage support member 41b supports the yarn supply bobbin B1. The firstpackage support member 41b is provided in a front end portion of the movingfirst slide portion 41a. The firstpackage support member 41b extends in the extending direction of thefirst slide portion 41a. - The first
collection drive mechanism 42 drives thefirst support mechanism 41. The firstcollection drive mechanism 42 includes afirst slide rail 42a, a firstcollection drive unit 42b, a first elevatingportion 42c, and a secondcollection drive unit 42d. Thefirst slide rail 42a is connected to thefirst slide portion 41a. Thefirst slide rail 42a moves a part of thefirst slide portion 41a in a reciprocating manner by the driving of the firstcollection drive unit 42b. The firstcollection drive unit 42b is, for example, an air cylinder. The first elevatingportion 42c is connected to thefirst slide portion 41a. The first elevatingportion 42c moves thefirst slide portion 41a up and down by the driving of the secondcollection drive unit 42d. Accordingly, thefirst slide portion 41a swings. The secondcollection 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. Thecollection device 40 advances a part of thefirst slide portion 41a of thefirst support mechanism 41 by the firstcollection drive mechanism 42 with respect to thepeg 24 rotated by therotation device 35 so that the firstpackage support member 41b is located in the hollow portion of the yarn supply bobbin B1. At this time, thecollection device 40 swings thefirst slide portion 41a of thefirst support mechanism 41 downward by the firstcollection drive mechanism 42 so that the firstpackage support member 41b is inclined with respect to the horizontal direction. When the firstpackage support member 41b is located at the hollow portion of the yarn supply bobbin B1, thecollection device 40 swings thefirst slide portion 41a upward by the firstcollection drive mechanism 42 so that the firstpackage support member 41b becomes horizontal. Accordingly, the firstpackage 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 thepackage support members collection device 40 retracts a part of thefirst slide portion 41a of thefirst support mechanism 41 by the firstcollection drive mechanism 42. As described above, thecollection device 40 collects the yarn supply bobbin B1 from thepeg 24. - The
supply device 50 supplies the yarn supply package PI to thepeg 24. As illustrated inFIG. 11 , thesupply device 50 includes asecond support mechanism 51 and a secondsupply drive mechanism 52. Thesecond support mechanism 51 supports the yarn supply package P1. Further, thesecond support mechanism 51 moves forward and backward with respect to thepeg 24 so as to supply the yarn supply package P1. Thesecond support mechanism 51 includes asecond slide portion 51a and a secondpackage support member 51b. - The
second slide portion 51a includes a secondlinear guide 51c. A part of thesecond slide portion 51a can move in a predetermined direction through the secondlinear guide 51c. The secondpackage support member 51b supports the yarn supply package P1. The secondpackage support member 51b is provided in the front end portion of the movingsecond slide portion 51a. The secondpackage support member 51b extends in the extending direction of thesecond slide portion 51a. - The second
supply drive mechanism 52 drives thesecond support mechanism 51. The secondsupply drive mechanism 52 includes asecond slide rail 52a, a firstsupply drive unit 52b, a second elevatingportion 52c, and a secondsupply drive unit 52d. Thesecond slide rail 52a is connected to thesecond slide portion 51a. Thesecond slide rail 52a moves a part of thesecond slide portion 51a in a reciprocating manner by the driving of the firstsupply drive unit 52b. The firstsupply drive unit 52b is, for example, an air cylinder. The second elevatingportion 52c is connected to thesecond slide portion 51a. The second elevatingportion 52c moves thesecond slide portion 51a up and down by the driving of the secondsupply drive unit 52d. Accordingly, thesecond slide portion 51a swings. The secondsupply drive unit 52d is, for example, a motor. - An acquisition operation in which the
supply device 50 acquires the yarn supply package PI from the holdingunit 32 will be described. Thesupply device 50 acquires the yarn supply package PI from the holdingunit 32 when thepackage exchanging device 7 moves. When theexchange unit 33 is stopped at a predetermined height position with respect to the holdingunit 32, thesupply device 50 advances a part of thesecond slide portion 51a of thesecond support mechanism 51 by the secondsupply drive mechanism 52 with respect to the yarn supply package PI supported by thepackage support portion 32b of the holdingunit 32 so that the secondpackage support member 51b is located in the hollow portion of the yarn supply package P1. At this time, thesupply device 50 swings thesecond slide portion 51a of thesecond support mechanism 51 downward by the secondsupply drive mechanism 52 so that the secondpackage support member 51b is inclined with respect to the horizontal direction. When the secondpackage support member 51b is located at the hollow portion of the yarn supply package PI, thesupply device 50 swings thesecond slide portion 51a upward by the secondsupply drive mechanism 52 so that the secondpackage support member 51b becomes horizontal. Accordingly, the secondpackage support member 51b contacts the yarn supply package PI so that the yarn supply package PI is lifted and the yarn supply package PI is separated from thepackage support portion 32b. Thesupply device 50 retracts a part of thesecond slide portion 51a of thesecond support mechanism 51 by the secondsupply drive mechanism 52. As described above, thesupply device 50 acquires the yarn supply package PI from the holdingunit 32. - A supply operation in which the
supply device 50 supplies the yarn supply package PI to thepeg 24 will be described. Thesupply device 50 advances a part of thesecond slide portion 51a of thesecond support mechanism 51 by the secondsupply drive mechanism 52 with respect to thepeg 24 from which the yarn supply bobbin B1 is separated so that thepackage support members peg 24 are located in the hollow portion of the yarn supply package P1. When thepackage support members peg 24 are located in the hollow portion of the yarn supply package PI, thesupply device 50 swings thesecond slide portion 51a downward by the secondsupply drive mechanism 52 so that the secondpackage support member 51b is inclined with respect to the horizontal direction. Accordingly, thepackage support members peg 24 contact the yarn supply package PI so that the yarn supply package PI is supported by thepeg 24 and the secondpackage support member 51b is separated from the yarn supply package P1. Thesupply device 50 retracts a part of thesecond slide portion 51a of thesecond support mechanism 51 by the secondsupply drive mechanism 52. As described above, thesupply device 50 attaches the yarn supply package PI to thepeg 24. - The
yarn joining device 60 joins the yarn Y of the yarn supply package PI supported by thefirst peg 24a and the yarn Y of the yarn supply package PI supported by thesecond peg 24b. As illustrated inFIGS. 12 ,13 , and14 , theyarn joining device 60 includes a catching and guidingmechanism 61, a first rotation mechanism (an operation mechanism) 62, a second rotation mechanism (an operation mechanism) 63, and ayarn 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 theexchange unit 33 faces theyarn supply unit 5. Theyarn joining device 60 moves between a standby position in which theyarn joining device 60 is disposed in thebase 34 and a yarn joining position in which theyarn joining device 60 moves toward theyarn supply unit 5 so as to advance outward in relation to thebase 34. - The catching and guiding
mechanism 61 catches the yarn Y of the yarn supply package PI and guides the yarn Y to theyarn joining mechanism 64. The catching and guidingmechanism 61 catches the first yarn end Y1 of the yarn Y of the yarn supply package PI supported by onepeg 24 and the second yarn end Y2 of the yarn Y of the yarn supply package PI supported by theother peg 24 and guides the yarns to theyarn joining mechanism 64. The catching and guidingmechanism 61 includes asuction portion 61a and a yarn joiningarm portion 61b. - The
suction portion 61a sucks and catches the yarn Y. Thesuction portion 61a includes asuction pipe 61c, asuction nozzle 61d, and ahook portion 61e. Thesuction nozzle 61d is provided in the front end portion of thesuction pipe 61c. Thesuction nozzle 61d sucks the yarn Y. A negative pressure source (not illustrated) is connected to thesuction pipe 61c. Accordingly, a suction flow is generated in thesuction nozzle 61d. The base end side of thesuction pipe 61c is connected to the yarn joiningarm portion 61b. Thehook portion 61e is provided at a position facing thesuction nozzle 61d and the front end portion of thesuction pipe 61c. Thehook portion 61e locks the yarn Y entangled by theyarn joining device 60. The yarn joiningarm portion 61b moves thesuction portion 61a. The yarn joiningarm portion 61b includes a link mechanism and a plurality of motors. The yarn joiningarm portion 61b is supported by abracket 61f. - Each of the
first rotation mechanism 62 and thesecond rotation mechanism 63 operates thepeg 24 so as to rotate the yarn supply package P1. Each of thefirst rotation mechanism 62 and thesecond rotation mechanism 63 rotates the yarn supply package PI so that the yarn Y is fed from the yarn supply package PI when guiding the yarn Y to theyarn joining mechanism 64 by the catching and guidingmechanism 61. - The
first rotation mechanism 62 operates thefirst peg 24a. Thefirst rotation mechanism 62 includes a firstyarn joining driver 62a, afirst motor 62b, and a first yarn joiningarm portion 62c. The firstyarn joining driver 62a is rotatably and axially supported by the first yarn joiningarm portion 62c. The firstyarn joining driver 62a is provided with a first drivenpulley 62d. Thefirst motor 62b is fixed to the first yarn joiningarm portion 62c. Afirst drive pulley 62e is connected to the output shaft of thefirst motor 62b. Thefirst motor 62b drives thefirst drive pulley 62e so as to rotate about an axis. A firstpower transmission belt 62f is stretched over the first drivenpulley 62d and thefirst drive pulley 62e. Accordingly, the firstyarn joining driver 62a rotates by the rotational driving of thefirst motor 62b. - The
second rotation mechanism 63 operates thesecond peg 24b. Thesecond rotation mechanism 63 includes a secondyarn joining driver 63a, asecond motor 63b, and a second yarn joiningarm portion 63c. The secondyarn joining driver 63a is rotatably and axially supported by the second yarn joiningarm portion 63c. The secondyarn joining driver 63a is provided with a second drivenpulley 63d. Thesecond motor 63b is fixed to the second yarn joiningarm portion 63c. Thesecond drive pulley 63e is connected to the output shaft of thesecond motor 63b. Thesecond motor 63b drives thesecond drive pulley 63e so as to rotate around a shaft. A second power transmission belt 63f is stretched over the second drivenpulley 63d and thesecond drive pulley 63e. Accordingly, the secondyarn joining driver 63a rotates by the rotational driving of thesecond motor 63b. - The
yarn joining mechanism 64 performs a yarn joining operation. Theyarn joining mechanism 64 includes asplicer 66, afirst guide mechanism 67, and asecond guide mechanism 68. - The
splicer 66 includes ayarn joining portion 66a and a pair of sandwichingmechanisms yarn joining portion 66a entangles the yarn Y of the yarn supply package PI supported by thefirst peg 24a and the yarn Y of the yarn supply package PI supported by thesecond peg 24b. The sandwichingmechanisms yarn joining portion 66a. The sandwichingmechanisms yarn joining portion 66a. - As illustrated in
FIGS. 12 and13 , thefirst guide mechanism 67 locks and guides the yarn Y Thefirst guide mechanism 67 includes afirst hook 67a, asecond hook 67b, and athird hook 67c. Thefirst hook 67a, thesecond hook 67b, and thethird hook 67c are provided so as to be swingable. Thefirst hook 67a is provided with a potentiometer (not illustrated) that detects a tension of the yarn Y Theyarn joining device 60 controls the operation of thefirst motor 62b of thefirst rotation mechanism 62 on the basis of the detection result of the potentiometer. That is, theyarn joining device 60 draws the yarn Y from the yarn supply package PI 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 Thesecond guide mechanism 68 includes afirst hook 68a, asecond hook 68b, and athird hook 68c. Thefirst hook 68a, thesecond hook 68b, and thethird hook 68c are provided so as to be swingable. Thefirst hook 68a is provided with a potentiometer (not illustrated) which detects the tension of the yarn Y Theyarn joining device 60 controls the operation of thesecond motor 63b of thesecond rotation mechanism 63 on the basis of the detection result of the potentiometer. That is, theyarn 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 PI 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 theyarn joining device 60 joins the first yarn end Y1 on the outer layer side of the yarn supply package PI supported by thefirst peg 24a and the second yarn end Y2 on the inner layer side of the yarn supply package PI supported by thesecond peg 24b will be described. - When the yarn joining operation starts, the
yarn joining device 60 operates thefirst peg 24a by thefirst rotation mechanism 62 and operates thesecond peg 24b by thesecond rotation mechanism 63 so that theadapter 10 is rotated to a position in which the first yarn end Y1 and the second yarn end Y2 can be caught by thesuction portion 61a as illustrated inFIG. 14 . Specifically, in thefirst rotation mechanism 62, the firstyarn joining driver 62a is engaged with thefirst wheel 25j of thefirst peg 24a and thefirst motor 62b is driven to rotate the firstyarn joining driver 62a. Similarly, in thesecond rotation mechanism 63, the secondyarn joining driver 63a is engaged with thefirst wheel 25j of thesecond peg 24b and thesecond motor 63b is driven to rotate the secondyarn joining driver 63a. When the firstyarn joining driver 62a and the secondyarn joining driver 63a rotate, the yarn supply package PI supported by each of thefirst peg 24a and thesecond peg 24b rotates, so that theadapter 10 rotates. Theyarn joining device 60 detects a detection object (not illustrated) provided in theadapter 10 by a sensor (not illustrated) and controls thefirst motor 62b and thesecond motor 63b on the basis of the detection result of the sensor so that theadapter 10 is rotated to a predetermined position. - When the
adapter 10 is rotated, theyarn joining device 60 operates the yarn joiningarm portion 61b of the catching and guidingmechanism 61 so that thesuction portion 61a catches the first yarn end Y1 from theadapter 10 of the yarn supply package PI supported by thefirst peg 24a and catches the second yarn end Y2 from theadapter 10 of the yarn supply package PI supported by thesecond peg 24b. At this time, theyarn joining device 60 operates thefirst peg 24a by thefirst rotation mechanism 62 and operates thesecond peg 24b by thesecond rotation mechanism 63 so that the yarn supply package PI is rotated. Accordingly, the yarn Y is drawn out from the yarn supply package PI at a predetermined tension. - The
yarn joining device 60 allows thesuction portion 61a to hook the yarn Y having the first yarn end Y1 on thefirst guide mechanism 67 and guide the yarn Y to thesplicer 66 and to hook the yarn Y having the second yarn end Y2 on thesecond guide mechanism 68 and guide the yarn Y to thesplicer 66. When the yarn Y is guided to thesplicer 66, theyarn joining device 60 performs the yarn joining operation of thesplicer 66. Accordingly, theyarn joining device 60 joins the first yarn end Y1 on the outer layer side of the yarn supply package PI supported by thefirst peg 24a and the second yarn end Y2 on the inner layer side of the yarn supply package PI supported by thesecond peg 24b. - The moving
device 70 rotationally moves thecollection device 40, thesupply device 50, and theyarn joining device 60. The movingdevice 70 moves each of thecollection device 40, thesupply device 50, and theyarn joining device 60 to a work position for thepeg 24. Further, the movingdevice 70 moves thecollection device 40 and thesupply device 50 to a work position for the holdingunit 32. As illustrated inFIG. 9 , the movingdevice 70 includes arotation support portion 71 and an exchangeunit driving unit 72. - The
rotation support portion 71 supports thecollection device 40, thesupply device 50, and theyarn joining device 60. Therotation support portion 71 is provided in the base 34 so as to be rotatable around a rotation shaft extending in the vertical direction. Therotation support portion 71 supports thecollection device 40, thesupply device 50, and theyarn joining device 60 so that thecollection device 40, thesupply device 50, and theyarn joining device 60 are respectively disposed in three different directions when viewed from the direction of the rotation shaft of therotation 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 exchangeunit driving unit 72 rotates therotation support portion 71. The exchangeunit driving unit 72 is a Geneva driver that constitutes a Geneva mechanism. The exchangeunit driving unit 72 rotates by the rotational driving of a motor (not illustrated). In the movingdevice 70, therotation support portion 71 rotates by the driving of the exchangeunit driving unit 72. - The moving
device 70 stops therotation support portion 71 at seven positions. The movingdevice 70 stops therotation support portion 71 at a position in which thecollection device 40 collects the yarn supply bobbin B1 from thefirst peg 24a, a position in which thecollection device 40 collects the yarn supply bobbin B1 from thesecond peg 24b, a position in which thesupply device 50 supplies the yarn supply package PI to thefirst peg 24a, a position in which thesupply device 50 supplies the yarn supply package PI to thesecond peg 24b, a position in which theyarn joining device 60 performs a yarn joining operation, a position in which thesupply device 50 acquires the yarn supply package PI from the holdingunit 32, and a position in which thecollection device 40 supplies the yarn supply bobbin B1 to the holdingunit 32. - Specifically, as illustrated in
FIG. 15A , the movingdevice 70 stops therotation support portion 71 at a first stop position SP1 in which thecollection device 40 is disposed so as to face thefirst peg 24a. As illustrated inFIG. 15B , the movingdevice 70 stops therotation support portion 71 at a second stop position SP2 in which thecollection device 40 is disposed so as to face thesecond peg 24b. As illustrated inFIG. 16A , the movingdevice 70 stops therotation support portion 71 at a third stop position SP3 in which thesupply device 50 is disposed so as to face thefirst peg 24a. - As illustrated in
FIG. 16B , the movingdevice 70 stops therotation support portion 71 at a fourth stop position SP4 in which thesupply device 50 is disposed so as to face thesecond peg 24b. As illustrated inFIG. 17A , the movingdevice 70 stops therotation support portion 71 at a fifth stop position SP5 in which theyarn joining device 60 is disposed so as to face thefirst peg 24a and thesecond peg 24b. As illustrated inFIG. 17B , the movingdevice 70 stops therotation support portion 71 at a sixth stop position SP6 in which thesupply device 50 is disposed so as to face thepackage support portion 32b of the holdingunit 32. As illustrated inFIG. 17C , the movingdevice 70 stops therotation support portion 71 at a seventh stop position SP7 in which thecollection device 40 is disposed so as to face thepackage support portion 32b of the holdingunit 32. - Next, an operation of the
package exchanging device 7 will be described. - The
package exchanging device 7 runs to thepackage replenishing device 6 when the yarn supply package PI held by the holdingunit 32 disappears. When thepackage exchanging device 7 is located at a position in front of thepackage replenishing device 6, the holdingunit 32 rotates thepackage support portion 32b. Specifically, the holdingunit 32 operates thedrive unit 32c so that thepackage support portion 32b is located at a replenishment position (seeFIG. 8A ). Thepackage replenishing device 6 transfers the yarn supply package PI to the holdingunit 32 by a transfer device. Accordingly, the yarn supply package PI is supplied (replenished) to thepackage support portion 32b of the holdingunit 32. Additionally, when the collected yarn supply bobbin B1 is held by the holdingunit 32, the collected yarn supply bobbin B1 is transferred to thepackage replenishing device 6 and then the yarn supply package PI is supplied to the holdingunit 32. - An exchange operation of the yarn supply package PI by the
package exchanging device 7 will be described. In the following description, an example in which a new yarn supply package PI is attached to thefirst peg 24a will be described. Additionally, it is determined whether the yarn supply package PI needs to be exchanged or not on the basis of a detection result of a sensor (not illustrated) detecting the remaining amount of the yarn Y of the yarn supply package P1. - The
package exchanging device 7 moves theexchange unit 33 to a height position of apredetermined peg 24 when the package exchanging device runs to a position before the creel stand 20 that requires the exchange of the yarn supply package P1. Therotation device 35 of thepackage exchanging device 7 operates thefirst drive mechanism 36 so that thefirst peg 24a is rotated and thefirst peg 24a is located at an exchange position. - Further, the moving
device 70 stops therotation support portion 71 at the first stop position SP1 (seeFIG. 15A ) and locates thecollection device 40 at a work position. Specifically, the movingdevice 70 rotates therotation support portion 71 by driving the exchangeunit driving unit 72. Next, thecollection device 40 collects the yarn supply bobbin B1 from thefirst peg 24a. Thecollection device 40 collects the yarn supply bobbin B1 by thefirst support mechanism 41. - Next, the moving
device 70 stops therotation support portion 71 at the third stop position SP3 (seeFIG. 16A ) and locates thesupply device 50 at a work position. Then, thesupply device 50 attaches the yarn supply package PI to thefirst peg 24a by thesecond support mechanism 51. When the yarn supply package PI is attached to thefirst peg 24a, therotation device 35 operates thefirst drive mechanism 36 so as to rotate thefirst peg 24a and position thefirst peg 24a at a supply position. - Next, the moving
device 70 stops therotation support portion 71 at the fifth stop position SP5 (seeFIG. 17A ) and locates theyarn joining device 60 at a work position. Then, theyarn joining device 60 allows the catching and guidingmechanism 61 to catch the first yarn end Y1 from theadapter 10 of the yarn supply package PI supported by thefirst peg 24a and to catch the second yarn end Y2 from theadapter 10 of the yarn supply package PI supported by thesecond peg 24b. At this time, theyarn joining device 60 operates thefirst peg 24a by thefirst rotation mechanism 62 and operates thesecond peg 24b by thesecond rotation mechanism 63. Theyarn joining device 60 joins the caught first and second yarn ends Y1 and Y2. As described above, the exchange of the yarn supply package PI ends. - Additionally, the
yarn joining device 60 preferably ends the joining operation of the first yarn end Y1 and the second yarn end Y2 and then operates thefirst peg 24a by thefirst rotation mechanism 62 and operates thesecond peg 24b by thesecond rotation mechanism 63 so as to rotate the yarn supply package PI and position the yarn supply package PI at a predetermined position. The predetermined position is appropriately set by the inner shape of the bobbin cap BC attached to the yarn supply package P1. In accordance with the shape of the bobbin cap BC, when the yarn supply package PI rotates, there is a case in which the firstpackage support member 41b or the secondpackage support member 51b contacts the bobbin cap BC when the firstpackage support member 41b of thecollection device 40 and the secondpackage support member 51b of thesupply device 50 are inserted into the yarn supply bobbin B1. For that reason, it is possible to prevent the contact between the bobbin cap BC and the firstpackage support member 41b or the secondpackage support member 51b by rotating the yarn supply package PI to a predetermined position in response to the inner shape of the bobbin cap BC. In addition, the attachment position of the bobbin cap BC corresponds to the attachment position of theadapter 10. For that reason, it is possible to detect the position (direction) of the bobbin cap BC by detecting the position of theadapter 10. - As described above, according to this embodiment the
package exchanging device 7 includes the movingdevice 70 which moves each of thecollection device 40, thesupply device 50, and theyarn joining device 60 to a work position for thepeg 24. The movingdevice 70 locates each device at a work position by rotating thecollection device 40, thesupply device 50, and theyarn joining device 60 around a rotation shaft extending in the vertical direction. In this way, in thepackage exchanging device 7, it is possible to position each device at a work position without moving the position of each device for allowing the runningcarrier 30 to run. Thus, in thepackage exchanging device 7, it is possible to improve the work efficiency in exchanging the yarn supply package P1. - The
package exchanging device 7 according to this embodiment includes the holdingunit 32 which holds the plurality of yarn supply packages P1. The movingdevice 70 locates thecollection device 40 or thesupply device 50 at a work position for the holdingunit 32. Thesupply device 50 located at the work position acquires the yarn supply package PI from the holdingunit 32. In this configuration, since the yarn supply package PI is held in the holdingunit 32, it is possible to acquire the yarn supply package PI from the holdingunit 32. For that reason, in thepackage exchanging device 7, there is no need to go to the storage position of the yarn supply package PI whenever exchanging the yarn supply package P1. Further, thecollection device 40 located at the work position transfers the collected yarn supply bobbin B1 to the holdingunit 32. For that reason, in thepackage exchanging device 7, the collected yarn supply bobbin B1 does not need to be returned to the storage position in each exchange operation. Thus, in thepackage exchanging device 7, it is possible to improve the work efficiency in replacing the yarn supply package P1. - The
peg 24 according to this embodiment includes therotation mechanism 25c which rotates the yarn supply package P1. Theyarn joining device 60 includes thefirst rotation mechanism 62 and thesecond rotation mechanism 63 which drive therotation mechanism 25c of thepeg 24. In this configuration, when theyarn joining device 60 draws the yarn Y from the yarn supply package PI, the yarn supply package PI supported by thepeg 24 can be rotated. For that reason, an excessive tension applied to the yarn Y can be prevented when theyarn joining device 60 catches the yarn Y of the yarn supply package PI and draws the yarn Y Thus, in thepackage exchanging device 7, the occurrence of yarn breakage during the yarn joining operation can be prevented. As a result, in thepackage exchanging device 7, it is possible to improve the work efficiency in replacing the yarn supply package P1. - In the
package exchanging device 7 according to this embodiment, theyarn joining device 60 catches and joins the first yarn end Y1 of one yarn supply package PI and the second yarn end Y2 of the other yarn supply package PI after the yarn supply package PI is attached to thepeg 24 by thesupply device 50. For example, in a configuration in which the yarn supply package PI is attached to thepeg 24 after the yarn joining operation, the entangled yarn Y may be unraveled due to the tension applied to the yarn Y during the attachment operation of the yarn supply package P1. In this case, the exchange of the yarn supply package PI ends in failure and hence the work needs to be performed again. In thepackage exchanging device 7, theyarn joining device 60 performs the yarn joining operation after the yarn supply package PI is attached to thepeg 24 by thesupply device 50. For that reason, in thepackage exchanging device 7, it is possible to prevent a problem that the entangled yarn Y may be unraveled during the attachment operation of the yarn supply package P1. As a result, in thepackage exchanging device 7, it is possible to improve the work efficiency in exchanging the yarn supply package P1. - Although the embodiment of the invention has been described above, the invention is not necessarily limited to the above-described embodiment and various modifications can be made without departing from the spirit of the invention.
- In the above-described embodiment, an example of the false-twisting system 1 including the false-twisting
machine 2 has been described as a textile machine. However, the textile machine is not limited to the false-twisting machine, but may be another textile machine. - In the above-described embodiment, an example in which the yarn supply
package support portion 25 of thepeg 24 includes thepackage support members - In the above-described embodiment, an example in which the
peg 24 includes therotation mechanism 25c rotating thepackage support members peg 24 may not include therotation mechanism 25c. That is, thepeg 24 may not rotate the yarn supply package P1. - In the above-described embodiment, an example in which the
first wheel 25j of therotation mechanism 25c of thepeg 24 is a Geneva wheel, the firstyarn joining driver 62a and the secondyarn joining driver 63a of thefirst rotation mechanism 62 and thesecond rotation mechanism 63 of theyarn joining device 60 are the Geneva drivers, and thepackage support members package support members - In the above-described embodiment, an example in which the
rotation mechanism 25c of thepeg 24 is operated by thefirst rotation mechanism 62 and thesecond rotation mechanism 63 of theyarn joining device 60 to rotate thepackage support members yarn joining device 60 may not include thefirst rotation mechanism 62 and thesecond rotation mechanism 63. In this case, therotation mechanism 25c of thepeg 24 may include a drive unit (a motor or the like). - In the above-described embodiment, an example in which the
collection device 40 includes thefirst support mechanism 41 and the firstcollection drive mechanism 42 has been described. However, the configuration of thecollection device 40 is not limited thereto and one capable of collecting the yarn supply bobbin B1 from thepeg 24 may be used. Further, an example in which thesupply device 50 includes thesecond support mechanism 51 and the secondsupply drive mechanism 52 has been described. However, the configuration of thesupply device 50 is not limited thereto and one capable of attaching the yarn supply package PI to thepeg 24 may be used. - In the above-described embodiment, an example in which the
first drive mechanism 36 of therotation device 35 includes thefirst rotation driver 36a and the firstrotation arm portion 36b has been described. However, the configuration of thefirst drive mechanism 36 is not limited thereto and a mechanism capable of rotating thepeg 24 may be used. The same applies to thesecond drive mechanism 37. - In the above-described embodiment, an example in which the catching and guiding
mechanism 61 of theyarn joining device 60 includes thesuction portion 61a and the yarn joiningarm portion 61b has been described. However, the configuration of the catching and guidingmechanism 61 is not limited thereto and a mechanism catching the yarn Y of the yarn supply package PI and guiding the yarn to thesplicer 66 may be used. - In the above-described embodiment, an example in which the
first rotation mechanism 62 of theyarn joining device 60 includes the firstyarn joining driver 62a, thefirst motor 62b, and the first yarn joiningarm portion 62c has been described. However, thefirst rotation mechanism 62 may be a mechanism capable of rotating therotation mechanism 25c of thepeg 24. The same applies to thesecond rotation mechanism 63. - In the above-described embodiment, an example in which the
rotation support portion 71 of the movingdevice 70 includes the Geneva wheel, the exchangeunit driving unit 72 is the Geneva driver, and therotation support portion 71 is rotated by the Geneva mechanism has been described. However, therotation support portion 71 may be rotated by another mechanism. - In the above-described embodiment, an example in which the moving
device 70 stops therotation support portion 71 at seven positions has been described. However, the movingdevice 70 may stop therotation support portion 71 at seven or more positions. - 7...PACKAGE EXCHANGING DEVICE, 20...CREEL STAND, 24...PEG, 25c...ROTATIONAL MECHANISM, 30...RUNNING CARRIER (RUNNING UNIT), 34...BASE, 40...COLLECTION DEVICE, 50...SUPPLY DEVICE, 60...JOINING DEVICE, 62...FIRST ROTATIONAL MECHANISM (OPERATION MECHANISM), 63...SECOND ROTATIONAL MECHANISM (OPERATION MECHANISM), 70...MOVING DEVICE, 71...ROTATION SUPPORT PORTION, 72...EXCHANGING DRIVING UNIT, B1...YARN SUPPLY BOBBIN, P1...YARN SUPPLY PACKAGE, Y..YARN, Y1...FIRST YARN END, Y2...SECOND YARN END.
Claims (4)
- A package exchanging device (7) for attaching a yarn supply package (PI) in which a synthetic yarn (Y) made of synthetic fibers is wound around a yarn supply bobbin (B1) to a peg (24) provided in creel stands (20) arranged in one direction, comprising:a collection device (40) which collects the yarn supply bobbin (PI) from the peg (24);a supply device (50) which attaches the yarn supply package (PI) to the peg (24);a yarn joining device (60) which joins a yarn (Y) of the yarn supply package (PI) attached by the supply device (50) and a yarn (Y) of the yarn supply package (PI) held by another peg (24);a moving device (70) in which the collection device (40), the supply device (50), and the yarn joining device (60) are disposed and which 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); anda running unit (30) which moves a base (34) supporting the moving device (70) in the arrangement direction of the creel stands (20),wherein the moving device (70) includes a rotation support portion (71) which supports the collection device (40), the supply device (50), and the yarn joining device (60) and is provided so as to be rotatable around a rotation shaft and an exchange unit driving unit (72) which rotationally drives the rotation support portion (71).
- The package exchanging device (7) according to claim 1, further comprising:a holding device (32) which holds a plurality of the yarn supply packages (PI),wherein the moving device (70) positions the supply device (50) at a work position for the holding device (32), andwherein the supply device (50) acquires the yarn supply package (PI) from the holding device (32).
- The package exchanging device (7) according to claim 1 or 2,
wherein the peg (24) includes a rotation mechanism (25c) which rotates the yarn supply package (PI), and
wherein the yarn joining device (60) includes an operation mechanism (62,63) which drives the rotation mechanism (25c) of the peg (24). - The package exchanging device (7) according to any one of claims 1 to 3,
wherein the yarn joining device (60) catches and joins a first yarn end (Y1) of the one yarn supply package (PI) and a second yarn end (Y2) of the other yarn supply package (PI) after the yarn supply package (PI) is attached to the peg (24) by the supply device (50).
Applications Claiming Priority (1)
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JP2019140199 | 2019-07-30 |
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EP20188345.1A Active EP3771676B1 (en) | 2019-07-30 | 2020-07-29 | Package exchanging device |
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EP (1) | EP3771676B1 (en) |
JP (1) | JP7426307B2 (en) |
CN (1) | CN112299147B (en) |
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EP4056507A1 (en) * | 2021-03-09 | 2022-09-14 | TMT Machinery, Inc. | Yarn supply package attachment system |
IT202200025182A1 (en) * | 2022-12-07 | 2024-06-07 | Irico Gualchierani Handling S R L | ROBOT MANIPULATOR FOR HANDLING YARN BOBBINS FOR TEXTURING MACHINES |
EP4385929A1 (en) * | 2022-12-16 | 2024-06-19 | TMT Machinery, Inc. | Creel robot and system |
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CN113005623B (en) * | 2021-02-21 | 2022-10-04 | 福建泳力泰针织机械有限公司 | Computer jacquard circular weft knitting machine and plating jacquard process thereof |
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2020
- 2020-07-28 JP JP2020127290A patent/JP7426307B2/en active Active
- 2020-07-29 EP EP20188345.1A patent/EP3771676B1/en active Active
- 2020-07-29 CN CN202010743253.3A patent/CN112299147B/en active Active
- 2020-07-29 TW TW109125676A patent/TWI792026B/en active
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4056507A1 (en) * | 2021-03-09 | 2022-09-14 | TMT Machinery, Inc. | Yarn supply package attachment system |
TWI847103B (en) * | 2021-03-09 | 2024-07-01 | 日商Tmt機械股份有限公司 | Feeder roll body installation system |
IT202200025182A1 (en) * | 2022-12-07 | 2024-06-07 | Irico Gualchierani Handling S R L | ROBOT MANIPULATOR FOR HANDLING YARN BOBBINS FOR TEXTURING MACHINES |
WO2024121694A1 (en) * | 2022-12-07 | 2024-06-13 | Irico Gualchierani Handling S.R.L. | Manipulator robot for the movement of yarn bobbins for texturing machines |
EP4385929A1 (en) * | 2022-12-16 | 2024-06-19 | TMT Machinery, Inc. | Creel robot and system |
Also Published As
Publication number | Publication date |
---|---|
JP7426307B2 (en) | 2024-02-01 |
JP2021024737A (en) | 2021-02-22 |
CN112299147A (en) | 2021-02-02 |
TWI792026B (en) | 2023-02-11 |
EP3771676B1 (en) | 2022-09-07 |
TW202104055A (en) | 2021-02-01 |
CN112299147B (en) | 2023-08-18 |
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