EP2479130B1 - Garnwicklungsvorrichtung - Google Patents

Garnwicklungsvorrichtung Download PDF

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Publication number
EP2479130B1
EP2479130B1 EP11192321.5A EP11192321A EP2479130B1 EP 2479130 B1 EP2479130 B1 EP 2479130B1 EP 11192321 A EP11192321 A EP 11192321A EP 2479130 B1 EP2479130 B1 EP 2479130B1
Authority
EP
European Patent Office
Prior art keywords
yarn
traverse
section
winding
catching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11192321.5A
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English (en)
French (fr)
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EP2479130A3 (de
EP2479130A2 (de
Inventor
Yasunobu Tanigawa
Tetsuya Namikawa
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Murata Machinery Ltd
Original Assignee
Murata Machinery Ltd
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Publication date
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Publication of EP2479130A2 publication Critical patent/EP2479130A2/de
Publication of EP2479130A3 publication Critical patent/EP2479130A3/de
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Publication of EP2479130B1 publication Critical patent/EP2479130B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2884—Microprocessor-controlled traversing devices in so far the control is not special to one of the traversing devices of groups B65H54/2803 - B65H54/325 or group B65H54/38
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the yarn In the traverse defect of (1), the yarn is not traversed to both ends of the drum and thus can be easily detected by arranging the traverse detection section only at any one of left and right ends.
  • the yarn In the traverse defect of (2), the yarn is sometimes traversed to any one of left and right ends of the drum, and the yarn might be detected with the traverse detection section even if the traverse detection section is arranged only at one end.
  • a traverse cycle becomes shorter than the traverse cycle at normal times.
  • the traverse detection section is arranged only at any one of left and right ends, and a cycle of a detection signal is measured to detect even the traverse defect of (2).
  • the drum traverse type yarn winding device is a yarn winding device in which the drive of the package and the traversing of the yarn are cooperatively operating.
  • a yarn winding device in which the drive of the package and the traversing of the yarn are independent.
  • an arm traverse type yarn winding device in which a traverse guide is operated by a reciprocating movement of an arm
  • a belt traverse type yarn winding device in which the traverse guide is operated by a reciprocating movement of a belt.
  • the traverse defect of the yarn cannot be detected even if the traverse detection section is arranged at any one of left and right ends with respect to the central part of the package.
  • the yarn is not traversed to any one of left and right ends of the package, but the yarn is traversed to the other end at the normal traverse cycle.
  • the traverse defect cannot be detected even if the traverse detection section is arranged at any one of left and right ends with respect to the central part of the package and the cycle of the detection signal is measured. Therefore, in such yarn winding devices, the traverse detection section needs to be arranged at both left and right ends with respect to the central part of the package.
  • the traverse detection section is arranged at both left and right ends with respect to the central part of the package, a plurality of traverse detection sections are arranged and the cost is increased. Furthermore, in the arm traverse type yarn winding device or the belt traverse type yarn winding device, the traverse width can be changed and packages of various widths can be formed. However, if the traverse detection section is arranged at both left and right ends with respect to the central part of the package, the yarn cannot be detected if the traverse width is changed, and hence the position of the traverse detection section needs to be adjusted in accordance with the change in the traverse width.
  • the central part of the package width is a region having a width of 1/3 of the package width, and the traverse detection section is arranged in the region.
  • control section again causes the yarn end catching section to carry out the catching operation after stopping the traversing of the traverse guide.
  • control section stops the operation of the winding section and the traverse guide when the absence of the yarn is detected by the traverse detection section during the continuous operation of the winding section and the traverse guide.
  • control section stops the operation of the winding section and the traverse guide when the cutting device cuts the yarn during the continuous operation of the winding section and the traverse guide.
  • the yarn winding device further includes a main guiding plate and an auxiliary guiding plate.
  • the main guiding plate is arranged in proximity to the package, and guides the yarn in the traverse direction.
  • the auxiliary guiding plate guides the yarn to the main guiding plate at the time of the catching operation by the yarn end catching section.
  • the traverse detection section detects the yarn passing between the main guiding plate and the auxiliary guiding plate.
  • the traverse detection section is a reflective sensor.
  • the traverse detection section includes a light source portion and a light receiving portion, where the light receiving portion receives change in intensity of light that occurs when the yarn to be traversed traverses light radiated from the light source portion, and the presence or absence of yarn can be detected from the change in intensity of the light received by the light receiving portion.
  • the traverse detection section is arranged at the central part of the traverse width of the traverse guide in the yarn winding device in which the drive of the package and the traversing of the yarn are independent.
  • the traverse defect can be detected without arranging a plurality of traverse detection sections. This is because the yarn is continuously beaten towards one end of the package by the traverse guide when the traverse defect occurs because the yarn is not engaged to the traverse guide. That is, since the yarn is beaten in a short cycle (traverse cycle) by the traverse guide, the yarn is traversed only to near the end of the traverse width of the traverse guide and is not traversed to the central part.
  • the traverse detection section is arranged in the region having a width of 1/3 of the traverse width in the yarn winding device in which the drive of the package and the traversing of the yarn are independent, and hence the traverse defect can be detected without arranging a plurality of traverse detection sections. That is, when the traverse defect occurs because the yarn is not engaged to the traverse guide, the yarn is beaten by the traverse guide and is not traversed to the central part of the traverse width.
  • the region where the yarn is not traversed due to the traverse defect is not only the exact center.
  • the region where the yarn is not traversed is the region having a width of 1/3 of the traverse width including the exact center.
  • the traverse defect can be detected by arranging the traverse detection section in the region having the width of 1/3 of the package width. Therefore, a plurality of traverse detection sections do not need to be arranged and the cost can be reduced in the yarn winding device in which the drive of the winding bobbin and the traversing of the yarn are independent. Furthermore, the position adjustment of the traverse detection section does not need to be carried out even when changing the traverse width in the yarn winding device in which the drive of the winding bobbin and the traversing of the yarn are independent.
  • the traverse guide stops traversing when absence of the yarn is detected by the traverse detection section after the catching operation by the yarn end catching section and the yarn splicing operation by the yarn splicing device are carried out and the traversing of the traverse guide is started.
  • the winding operation can be avoided from being continued in a state where the yarn is not traversed after the yarn splicing operation. A defective package thus can be prevented from being formed.
  • the winding section and then traverse guide stop the operation when the absence of the yarn is detected by the traverse detection section during the continuous operation of the winding section and the traverse guide.
  • the winding of the package can be avoided from being continued in a state where the yarn is not traversed by the traverse guide.
  • the winding section and the traverse guide stop the operation when the yarn is cut by the cutting device during the continuous operation of the winding section and the traverse guide.
  • the winding of the package can be avoided from being continued in a state where the yarn is cut.
  • the reflective sensor is used for the traverse detection section.
  • the traverse detection section is enlarged with the transmissive sensor, but the traverse detection section can be miniaturized with the reflective sensor.
  • the yarn winding device 100 includes a winding section 200, a traverse device 12, a guiding plate 61, and a yarn feeding section 300.
  • the winding section 200 is a section for winding the yarn Y into the package 83, and includes a cradle 13 and a contact roller 1.4 .
  • the cradle 13 includes a bearing (not (illustrated), a winding bobbin drive motor 18, a winding bobbin rotation speed sensor 32, and a winding bobbin diameter sensor 33.
  • the bearing can removably attach the winding bobbin B, and grips both ends of the winding bobbin B in a freely rotatable manner.
  • the cradle 13 can freely oscillate with an oscillating shaft 15 as a center. The cradle 13 oscillates when the yarn Y is wound by the winding bobbin B and the diameter of the winding bobbin B is increased. An appropriate amount of contact between the peripheral surface of the winding bobbin B and the contact roller 14 is thereby maintained.
  • the winding bobbin rotation speed sensor 32 detects the number of rotations of the winding bobbin B.
  • the winding bobbin, diameter sensor 33 detects the diameter of the winding bobbin B.
  • the winding bobbin diameter sensor 33 is configured by a rotary encoder, a resolver, or the like, and detects the diameter of the winding bobbin B by detecting an oscillation angle of the cradle 13.
  • the traverse device 12. is arranged in proximity to the winding bobbin B (package. 83).
  • the yarn Y is wound around the winding bobbin B while being traversed by the traverses device 12.
  • the traverse device 12 includes an arm member 16, a traverse guide 17, and a traverse guide drive motor 19.
  • the traverse guide 17 is a hook-like member that engages with the yarn Y and traverses the yarn Y.
  • the traverse guide 17 is arranged at the distal end of the arm member 16 configured to freely oscillate.
  • the traverse guide drive motor 19 drives the arm member 16 in the direction of the winding width of the winding bobbin B as shown with an arrow in FIG.
  • the guiding plate 61 is arranged in proximity to the traverse device 12.
  • the guiding plate 61 is arranged on an upstream side of the yarn Y in the travelling direction with respect to the traverse guide 17.
  • the guiding plate 61 includes a main guiding plate 62, a first auxiliary guiding plate 63, and a second auxiliary guiding plate 64.
  • the main guiding plate 62 is a member for guiding the yarn Y in the traverse direction, and is arranged at a position proximate to the traverse guide 17.
  • the main guiding plate 62 has an edge for guiding the yarn Y formed to an arcuate shape.
  • the first auxiliary guiding plate 63 and the second auxiliary guiding plate 64 are members for guiding the yarn Y onto the main guiding plate 62 when a catching operation of the yarn end is carried out by an upper yarn catching guiding portion 27, to be described later.
  • the first auxiliary guiding plate 63 is formed from a first end (illustrated end on left side in FIG. 2 ) towards a central part of the main guiding plate 62. As illustrated in FIG. 4 , the first auxiliary guiding plate 63 forms a gap with the main guiding plate 62 through which the yarn Y passes in the traverse direction.
  • the guiding plate 61 includes a traverse detection section 70.
  • the traverse detection section 70 detects the presence or absence of the yarn Y guided by the guiding plate 61. Specifically, the traverse detection section 70 detects the presence or absence of the yarn Y passing between the main guiding plate 62 and the first auxiliary guiding plate 63.
  • the main guiding plate 62 is formed with a transparent hole (not illustrated) on a center line of the traverse width.
  • the traverse detection section 70 detects the presence or absence of the yarn Y passing between the main guiding plate 62 and the first auxiliary guiding plate 63 at the central part of the traverse width of the traverse guide 17 through the transparent hole.
  • the traverse detection section 70 is a reflective sensor.
  • the traverse detection section 70 includes a light source portion for irradiating an object with pulse-shaped light, and a light receiving portion for receiving the reflected light from the object.
  • the light source portion and the light receiving portion are arranged in parallel.
  • the reflective sensor detects the presence or absence of the object by change in intensity of the reflected light.
  • the traverse detection section 70 of the present embodiment is directed to between the main guiding plate 62 and the first auxiliary guiding plate 63, so that the majority of the pulse-shaped light from the light source portion is reflected at the first auxiliary guiding plate 63.
  • the majority of the light received by the light receiving portion is light reflected at the first auxiliary guiding plate 63.
  • a pulse-shaped detection signal corresponding to the intensity of the light received by the light receiving portion is transmitted to a unit control section 41, to be described later.
  • the yarn Y In a state where the yarn Y is normally traversed, the yarn Y is traversed between the main guiding plate 62, and the first auxiliary guiding plate 63 and the second auxiliary guiding plate 64.
  • the yarn Y When the yarn Y is traversed, and crossed in the front of the traverse detection section 70, the light reflected at the yarn Y is received by the light receiving portion, and change in the intensity of the light received by the light receiving portion occurs.
  • the pulse-shaped detection signal corresponding to the change in the intensity of light is transmitted to the unit control section 41, to be described later.
  • the traverse detection section 70 detects the presence or absence of the yarn Y by the change in intensity of the detection signal. In the unit control section 41, determination is made that the yarn Y is normally traversed if there is change in the intensity of the detection signal from the traverse detection section 70.
  • a reflective sensor is used for the traverse detection section 70 in the present embodiment, but a transmissive sensor may also be used.
  • the transmissive sensor includes a light source portion for applying a pulse-shaped light, and a light receiving portion arranged facing the light source portion to directly receive the light from the light source portion. If the yarn Y exists between the light source portion and the light receiving portion, the intensity of the light received by the light receiving portion changes. The presence or absence of the yarn Y is detected based on the pulse-shaped detection signal corresponding to the change in the intensity of the light.
  • the transmissive sensor requires a substantially U-shaped supporting member or the like for supporting the light source portion and the light receiving portion since the light source portion and the light receiving portion need to be facing each other.
  • the transmissive sensor has a problem in that it is difficult to miniaturize the traverse detection section 70 since the traverse detection section 70 is to be arranged at the central part in the traverse width.
  • the reflective sensor is preferably used for the traverse detection section 70.
  • the light from the outside generally causes a disturbance and malfunction may occur.
  • the traverse detection section 70 of the present embodiment is directed to between the main guiding plate 62 and the first auxiliary guiding plate 63.
  • the main guiding plate 62 and the first auxiliary guiding plate 63 shield the light from the outside, and hence, malfunction due to the disturbance is less likely to occur.
  • the reflective sensor is preferably used for the traverse detection sections 70.
  • the yarn feeding section 300 is a section for supplying the yarn Y to be wound around the winding bobbin B.
  • the yarn feeding bobbin 81 is attached to the yarn feeding section 300.
  • a tension applying device 20, a yarn splicing device 21, and a yarn clearer 22 serving as a cutting device are arranged in order from the yarn feeding section 300 side in the yarn travelling path between the yarn feeding section 300 and the contact roller 14.
  • the tension applying device 20 applies appropriate tension on the yarn Y.
  • the yarn clearer 22 detects the thickness of the yarn Y passing through the portion of the detection section with a sensor, and analyzes a signal from the sensor with an analyzer 23 to detect a yarn defect such as slub.
  • the yarn splicing device 21 carries out a yarn splicing operation for yarn splicing yarn ends of a lower yarn from the yarn feeding bobbin 81 and an upper yarn from the winding bobbin B at the time of yarn cut by the yarn clearer 22 or at the time of yarn breakage of the yarn Y from the yarn feeding bobbin 81.
  • the yarn clearer 22, the yarn splicing device 21, the lower yarn catching and guiding section 24, and the upper yarn catching and guiding section 27 serving as the yarn end catching section are connected to the unit control section 41.
  • the unit control section 41 controls the yarn cutting operation by the yarn clearer 22 to cut the yarn Y when the winding is interrupted due to detection of the yarn defect or when the winding is interrupted due to traverse defect although the yarn defect is not found.
  • the detection signal from the traverse detection section 70 is transmitted to the traverse control section 34.
  • the traverse control section 34 detects the presence or absence of the yarn Y traversed between the main guiding plate 62, and the first auxiliary guiding plate 63 and the second auxiliary guiding plate 64 based on the detection signal.
  • a rotation speed signal of the winding bobbin B detected by the winding bobbin rotation speed sensor 32 is transmitted to the unit control section 41, the winding bobbin drive control section 31, and the traverse control section 34.
  • a diameter signal of the winding bobbin B detected by the winding bobbin diameter sensor 33 is transmitted to the unit control section 41, and transferred from the unit control section 41 to the winding bobbin drive control section 31 and the traverse control section 34.
  • the unit control section 41 is connected to a machine control section 42.
  • the machine control section 42 collectively controls a plurality of yarn winding devices 100 configuring the automatic winder.
  • the unit control section 41, the machine control section 42, the winding bobbin drive control section 31, and the traverse control section 34 include a CPU serving as a calculating portion, an ROM, RAM serving as a storage portion, or the like.
  • the ROM stores control software for causing hardware such as CPU to operate as a control section.
  • the start-up operation is carried out when starting the winding of the yarn Y with respect to an empty winding tube 82. Alternatively, it is carried out when resuming the winding of the yarn Y with respect to the winding bobbin B when yarn cut by the yarn clearer 22 or yarn breakage of the yarn Y from the yarn feeding bobbin 81 occurs during the winding.
  • the rotation of the winding bobbin B is accelerated from the stopped state to a high speed rotation in continuous winding operation, to be described later.
  • a case in which the yarn cut by the yarn clearer 22 occurs will be described below by way of example.
  • the lower yarn from the yarn feeding bobbin 81 is near the lower yarn catching and guiding section 24 when yarn cut by the yarn clearer 22 occurs.
  • the yarn end of the upper yarn from the winding bobbin B is wound around the winding bobbin B.
  • the traverse guide 17 of the traverse device 12 is moved to the second end (illustrated end on right side) side of the winding bobbin B.
  • the traverse guide 17 is moved to the second end side of the winding bobbin B so as not to become an obstacle when guiding the upper yarn from the winding bobbin B to the yarn splicing device 21.
  • An opening 171 of the traverse guide 17 is also directed towards the yarn Y so that the yarn Y can be easily engaged to the hook-like traverse guide 17 immediately after the traverse is resumed.
  • the unit control section 41 controls the catching operation by the lower yarn catching and guiding section 24 and the upper yarn catching and guiding section 27 so that the lower yarn from the yarn feeding bobbin 81 is sucked and caught by the lower yarn catching and guiding section 24 and the upper yarn from the winding bobbin B is sucked and caught by the upper yarn catching and guiding section 27.
  • the unit control section 41 controls the guiding operation by the lower yarn catching and guiding section 24 and the upper yarn catching and guiding section 27 to guide the lower yarn to the yarn splicing device 21 by the lower yarn catching and guiding section 24, and guide the upper yarn to the yarn splicing device 21 by the upper yarn catching and guiding section 27.
  • the unit control section 41 controls the yarn splicing operation by the yarn splicing device 21 when the upper yarn and the lower yarn are guided to the yarn splicing device 21 to yarn splice the yarn ends of the lower yarn from the yarn feeding bobbin 81 and the upper yarn from the winding bobbin B.
  • the yarn Y is not on the inner side of the guiding plate 61.
  • the yarn Y is in a state of riding on the outer side of the guiding plate 61 (near side in the plane of drawing in FIG. 2 , illustrated lower side in FIG. 4 ).
  • the yarn Y is engaged to the guide 65 that is the traverse supporting point.
  • the traverse guide 17 is moved to the second end (illustrated end on right side) side of the winding bobbin B during the yarn splicing operation by the yarn splicing device 21.
  • the traverse guide 17 first moves in the illustrated left direction in FIG. 2 and FIG. 4 . Thereafter, the traverse guide 17 repeats the reciprocating movement in the illustrated right direction and the illustrated left direction.
  • the yarn Y enters between the first auxiliary guiding plate 63 and the second auxiliary guiding plate 64 since tension is applied, and moves in the direction of the arrow D2 of FIG. 4 .
  • the traverse detection section 70 does not detect the yarn Y.
  • the yarn Y enters between the main guiding plate 62 and the first auxiliary guiding plate 63 since tension is applied, and moves in the direction of the arrow D3 of FIG. 4 .
  • the traverse detection section 70 detects the yarn Y.
  • the unit control section 41 determines that the traverse defect does not occur and the start-up operation is successful (step S104). Thereafter, when the number of rotations of the winding bobbin B reaches the number of rotations in the continuous winding operation, the operation shifts to the continuous winding operation (step S105), and the start-up operation is terminated.
  • step S101 when the unit control section 41 starts the start-up operation (step S101), the rotation drive of the winding bobbin B starts and the winding of the yarn Y starts.
  • the traverse detection section 70 starts the detection of the yarn Y (step S102) .
  • the traverse device 12 starts the reciprocating movement of the traverse guide 17.
  • the traverse guide 17 is moved to the second end (illustrated end on right side) side of the winding bobbin B during the yarn splicing operation by the yarn splicing device 21.
  • the traverse guide 17 first moves in the illustrated left direction in FIG. 2 and FIG. 3 . Thereafter, the traverse guide 17 repeats the reciprocating movement in the illustrated right direction and the illustrated left direction.
  • the yarn Y is engaged to the traverse guide 17 when the traverse guide 17 is moved in the illustrated left direction.
  • the yarn Y may not be engaged to the traverse guide 17, and the traverse guide 17 and the arm member 16 may merely beat the yarn Y continuously towards one end of the winding bobbin B.
  • the yarn Y does not pass the front of the traverse detection section 70.
  • the traverse detection section 70 thus does not detect the yarn Y.
  • step S103 If the traverse detection section 70 does not detect the yarn Y within a predetermined time from the start of the start-sup operation (No in step S103), the unit control section 41 determines that the traverse defect has occurred and that the start-up operation has failed (step S106). Then, the traversing is immediately stopped (step S107), the yarn Y is cut (step S108), and the start-up operation is terminated.
  • the unit control section 41 immediately controls the catching operation by the lower yarn catching and guiding section 24 and the upper yarn catching and guiding section 27 to cause the lower yarn catching and guiding section 24 to suck and catch the lower yarn from the yarn feeding bobbin 81 and to cause the upper yarn catching and guiding section 27 to suck and catch the upper yarn from the winding bobbin B.
  • the unit control section 41 also controls the guiding operation by the lower yarn catching and guiding section 24 and the upper yarn catching and guiding section 27 to cause the lower yarn catching and guiding section 24 to guide the lower yarn to the yarn splicing device 21 and to cause the upper yarn catching and guiding section 27 to guide the upper yarn to the yarn splicing device 21.
  • the unit control section 41 controls the yarn splicing operation by the yarn splicing device 21 to yarn splice the yarn ends of the lower yarn from the yarn feeding bobbin 81 and the upper yarn from the winding bobbin B.
  • the unit control section 41 then starts the next start--up operation.
  • the yarn Y may sometimes disengage from the traverse guide 17. Although it depends on the position where the yarn Y disengages from the traverse guide 17, the yarn Y may disengage from the traverse guide 17 after the yarn Y once passes the front of the traverse detection section 70 and the traverse detection section 70 detects the yarn Y.
  • the unit control section 41 determines that the traverse defect has occurred and that the start-up operation has failed (step S106). Then, the traversing is immediately stopped (step S107), the yarn Y is cut (step S108), and the start-up operation is terminated.
  • the unit control section 41 immediately controls the catching operation and the guiding operation by the lower yarn catching and guiding section 24 and the upper yarn catching and guiding section 27, controls the yarn splicing operation by the yarn splicing device 21, and starts the next start-up operation.
  • step S203 If the traverse detection section 70 detects the yarn Y during the continuous winding operation (Yes in step S203), the unit control section 41 determines that the traverse defect has not occurred and the continuous winding operation is normally carried out, and continues the continuous winding operation (step S204).
  • the unit control section 41 detects the diameter of the winding bobbin B by detecting an oscillation angle of the cradle 13 based on the detection signal from the winding bobbin diameter sensor 33.
  • the diameter of the winding bobbin B reaches the diameter of full-wound, determination is made that the package 83 is completed and the winding is terminated (Yes in step S205).
  • the diameter of the winding bobbin B has not reached the diameter of full-wound, determination is made that the package 83 is incomplete and the winding is continued (No in step S205).
  • the traverse detection section 70 repeatedly carries out the detection of the yarn Y in the continuous winding operation (step S203).
  • the unit control section 41 determines that the traverse defect has occurred and the continuous winding operation has failed.
  • the unit control section 41 immediately cuts the yarn Y with the yarn clearer 22, stops the winding section 200 and the traverse device 12, and stops the continuous winding operation (step S206).
  • the unit control section 41 displays an alarm to notify a manager that the continuous winding operation has failed (step S207), and terminates the continuous winding operation.
  • the yarn winding device 100 according to the first embodiment described above has the following effects.
  • the traverse detection section 70 is arranged at the central part of the traverse width of the traverse guide 17.
  • the traverse detect can be detected without arranging a plurality of traverse detection sections 70. This is because the yarn Y is continuously beaten towards one end of the winding bobbin B by the traverse guide 17, the arm member 16, and the like if the traverse defect occurs when the yarn Y is not engaged to the traverse guide 17.
  • the yarn Y is beaten in a short cycle (traverse cycle) by the traverse guide 17, the arm member 16, or the like, the yarn Y is traversed only in proximity to the end of the traverse width of the traverse guide 17 and is not traversed to the central part. Therefore, when the traverse defect occurs, the traverse detection section 70 arranged at the central part of the traverse width no longer detects the yarn Y. Accordingly, the traverse defect can be detected.
  • the yarn winding device 100 in which the drive of the winding bobbin B and the traversing of the yarn Y are independent a plurality of traverse detection sections 70 do not need to be arranged and the cost can be reduced. Furthermore, in the yarn winding device 100 in which the drive of the winding bobbin B and the traversing of the yarn Y are independent, the position adjustment of the traverse detection section 70 does not need to be carried out even if the traverse width is changed.
  • the traverse guide 17 stops the traversing when absence of the yarn Y is detected by the traverse detection section 70 after the catching operation by the lower yarn catching and guiding section 24 and the upper yarn catching and guiding section 27 and the yarn splicing operation by the yarn splicing device 21 are carried out and the traverse of the traverse guide 17 is started.
  • the winding operation can be avoided from being continued when the yarn Y cannot be traversed after the yarn splicing operation. A defective package thus can be prevented from being formed.
  • the yarn clearer 22 cuts the yarn Y when absence of the yarn Y is detected by the traverse detection section 70 after the catching operation by the lower yarn catching and guiding section 24 and the upper yarn catching and guiding section 27 and the yarn splicing operation by the yarn splicing device 21 are carried out and the traversing of the traverse guide 17 is started.
  • the yarn Y cannot be traversed after the yarn splicing operation, the yarn Y is immediately cut and the winding operation can be avoided from being continued. A defective package thus can be prevented from being formed.
  • the success rate of catching the next yarn end by the upper yarn catching and guiding section 27 is improved since the yarn end from the winding bobbin B is formed before the next yarn catching operation is carried out.
  • a reflective sensor is used for the traverse detection section 70.
  • the traverse detection section 70 is enlarged in the transmissive sensor, but the traverse detection section 70 can be miniaturized in the reflective sensor.
  • the yarn winding device 100 according to a second embodiment of the present invention will be described with reference to FIG. 7 .
  • the traverse detection section 70 is arranged on a center line of the traverse width.
  • the traverse detection section 70 is arranged in a region having a width of 1/3 of the traverse width, as illustrated in FIG. 7 .
  • the traverse defect can be detected by arranging the traverse detection section 70 in the region having a width of 1/3 of the traverse width without arranging a plurality of traverse detection sections 70.
  • the yarn Y to be traversed uses the guide 65 as the traverse supporting point.
  • the width in which the yarn Y is traversed becomes wider the farther away from the guide 65 (towards the downstream side in the yarn travelling direction).
  • the region where the yarn Y is not traversed due to the traverse defect also becomes wider the farther away from the guide 65 (towards the downstream side in the yarn travelling direction). That is, as illustrated in FIG. 7 , the region closer to the contact roller 14 of the region from the guide 65 to the contact roller 14 has wider region where the yarn Y is not traversed when the traverse defect occurs.
  • the traverse detection section 70 is preferably arranged in the region of 1/3 on the contact roller 14 side, and more preferably arranged in the region of 1/4 on the contact roller 14 side.
  • the traverse detection section 70 is preferably arranged in the region having a width of 1/3 of the traverse width and in a region from 1/3 to 1/4 on the contact roller 14 side between the guide 65 and the contact roller 14.
  • the position of arranging the traverse detection section 70 is on the center axis of the width of the winding bobbin B (package 83) rather than the center line of the traverse width.
  • a plurality of traverse detection sections 70 do not need to be arranged and the cost can be reduced in the yarn winding device in which the drive of the winding bobbin B and the traversing of the yarn Y are independent. Furthermore, the position adjustment of the traverse detection section 70 does not need to be carried out even when changing the traverse width.
  • the yarn Y is beaten by the arm member 16 or the like, and is not traversed to the central part of the width of the winding bobbin B (package 83).
  • the region where the yarn Y is not traversed due to the traverse defect is not only the exact center.
  • the region where the yarn Y is not traversed is the region having a width of 1/3 of the width of the winding bobbin B (package 83) including the exact center.
  • the traverse defect can be detected by arranging the traverse detection section 70 in the region having the width of 1/3 of the width of the winding bobbin B (package 83).
  • a plurality of traverse detection sections 70 do not need to be arranged and the cost can be reduced in the yarn winding device 100 in which the drive of the winding bobbin B and the traversing of the yarn Y are independent. Furthermore, the position adjustment of the traverse detection section 70 does not need to be carried out even when changing the traverse width in the yarn winding device 100 in which the drive of the winding bobbin B and the traversing of the yarn Y are independent.
  • the yarn Y to be traversed uses the guide. 65 as the traverse supporting point.
  • the width in which the yarn Y is traversed becomes wider the farther away from the guide 65 (towards the downstream side in the yarn travelling direction).
  • the region where the yarn Y is not traversed due to the traverse defect also becomes wider the farther away from the guide 65 (towards the downstream side in the yarn travelling direction). That is, the region closer to the contact roller 14 of the region from the guide 65 to the contact roller 14 has wider region where the yarn Y is not traversed when the traverse defect occurs.
  • the traverse detection section 70 is preferably arranged in the region of 1/3 on the contact roller 14 side, and more preferably arranged in the region of 1/4 on the contact roller 14 side (see FIG. 7 ).
  • the traverse detection section 70 is preferably arranged in the region having a width of 1/3 of the width of the winding bobbin B (package 83) and in a region from 1/3 to 1/4 on the contact roller 14 side between the guide 65 and the contact roller 14.
  • the drive of the winding bobbin B is directly carried out by the winding bobbin drive motor 18, but the drive roller may be brought into contact with the surface of the winding bobbin B to drive the winding bobbin B.
  • the shape of the contact roller 14 is a cone shape in which the diameter of both ends is different, but may be a cylindrical shape in which the diameter of both ends is the same.
  • the traverse device 12 is configured such that the longitudinal direction of the arm member 16 is parallel with respect to the installing direction (up and down direction) of the yarn winding device 100, but may be configured such that the longitudinal direction of the arm member 16 is vertical with respect to the installing surface of the yarn winding device 100.
  • the traverse device 12 is configured such that the arm member 16 is reciprocated by the traverse guide drive motor 19, but an endless timing belt may be arranged in proximity to the contact roller 14, the traverse guide 17 may be attached to the timing belt, and the timing belt may be reciprocated by a pulse motor or the like.
  • step S103 of the embodiment described above the timing to detect the yarn Y is described as within a predetermined time from the start of the start-up operation, but determination may be made based on the number of traversing of the traverse guide 17 rather than on the elapsed time.
  • the traverse device 12 is applied to an automatic winder, but the traverse device 12 of the present embodiment can also be applied to other yarn winding devices such as a fine spinning machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Winding Filamentary Materials (AREA)

Claims (9)

  1. Garnwickelvorrichtung (100), umfassend:
    einen Wickelabschnitt (200) zum Wickeln einer Spule;
    eine Changierführung (17), die unabhängig von einem Antrieb der Spule angetrieben wird, zum Changieren eines zu der Spule zu wickelnden Garns; und
    einen Changierdetektionsabschnitt (70), der in einem zentralen Teil einer Changierbahn der Changierführung (17) angeordnet ist, zum Detektieren eines Vorliegens oder Fehlens des changierten Garns,
    dadurch gekennzeichnet, dass
    der Changierdetektionsabschnitt derart ausgebildet ist, dass, wenn ein Changierfehler auftritt, bei dem das Garn nicht mit der Changierführung in Eingriff ist und durch die Changierführung kontinuierlich auf ein Ende der Spule geschlagen wird, der Changierdetektionsabschnitt das Garn nicht detektiert, um dadurch den Changierfehler zu detektieren, und
    der zentrale Teil der Changierbahn der Changierführung (17) eine Zone mit einer Breite von 1/3 der Changierbahn ist; und der Changierdetektionsabschnitt (70) in der Zone angeordnet ist.
  2. Garnwickelvorrichtung (100) nach Anspruch 1, dadurch gekennzeichnet, dass sie ferner umfasst:
    einen Garnzuführabschnitt (300) zum Zuführen des zu der Spule zu wickelnden Garns;
    eine Garnspleißvorrichtung (21) zum Ausführen eines Garnspleißvorgangs eines Spleißens eines Garnendes von der Spule und eines Garnendes von dem Garnzuführabschnitt (300);
    einen Garnendeauffangabschnitt (27) zum Ausführen eines Auffangvorgangs eines Auffangens des Garnendes von der Spule; und
    einen Steuerabschnitt (41) zum Stoppen des Changierens der Changierführung (17), wenn das Fehlen des Garns durch den Changierdetektionsabschnitt (70) detektiert wird, nachdem der Auffangvorgang durch den Garnendeauffangabschnitt (27) und der Garnspleißvorgang durch die Garnspleißvorrichtung (21) ausgeführt sind und das Changieren der Changierführung (17) gestartet ist.
  3. Garnwickelvorrichtung (100) nach Anspruch 2, dadurch gekennzeichnet, dass sie ferner umfasst:
    eine Schneidvorrichtung (22) zum Abschneiden des Garns; wobei
    der Steuerabschnitt (41) bewirkt, dass die Schneidvorrichtung (22) das Garn abschneidet, wenn das Fehlen des Garns durch den Changierdetektionsabschnitt (70) detektiert wird, nachdem der Auffangvorgang durch den Garnendeauffangabschnitt (27) und der Garnspleißvorgang durch die Garnspleißvorrichtung (21) ausgeführt sind und das Changieren der Changierführung (17) gestartet ist.
  4. Garnwickelvorrichtung (100) nach Anspruch 3, dadurch gekennzeichnet, dass der Steuerabschnitt (41) nach einem Stoppen des Changierens der Changierführung (17) erneut bewirkt, dass der Garnendeauffangabschnitt (27) den Auffangvorgang ausführt.
  5. Garnwickelvorrichtung (100) nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass der Steuerabschnitt (41) einen Betrieb des Wickelabschnitts (200) und der Changierführung (17) stoppt, wenn das Fehlen des Garns während eines kontinuierlichen Betriebs des Wickelabschnitts (200) und der Changierführung (17) durch den Changierdetektionsabschnitt (70) detektiert wird.
  6. Garnwickelvorrichtung (100) nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass der Steuerabschnitt (41) einen Betrieb des Wickelabschnitts (200) und der Changierführung (17) stoppt, wenn die Schneidvorrichtung (22) das Garn während eines kontinuierlichen Betriebs des Wickelabschnitts (200) und der Changierführung (17) abschneidet.
  7. Garnwickelvorrichtung (100) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass sie ferner umfasst:
    eine Hauptführungsplatte (62), die in der Nähe der Spule angeordnet ist, zum Führen des Garns in einer Querrichtung; und
    eine Hilfsführungsplatte (63) zum Führen des Garns zu der Hauptführungsplatte (62) während des Auffangvorgangs durch den Garnendeauffangabschnitt (27); wobei
    der Changierdetektionsabschnitt (70) ein Durchlaufen des Garns zwischen der Hauptführungsplatte (62) und der Hilfsführungsplatte (63) detektiert.
  8. Garnwickelvorrichtung (100) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Changierdetektionsabschnitt (70) ein Reflexsensor ist.
  9. Garnwickelvorrichtung (100) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Changierdetektionsabschnitt (70) einen Lichtquellenabschnitt und einen Lichtempfangsabschnitt umfasst, wobei der Lichtempfangsabschnitt eine Veränderung in einer Lichtintensität empfängt, die auftritt, wenn das zu changierende Garn Licht changiert, das von dem Lichtquellenabschnitt abgestrahlt wird, und das Vorliegen oder Fehlen des Garns aus der Veränderung der Lichtintensität, die durch den Lichtempfangsabschnitt empfangen wird, detektiert wird.
EP11192321.5A 2011-01-25 2011-12-07 Garnwicklungsvorrichtung Active EP2479130B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011013382A JP2012153476A (ja) 2011-01-25 2011-01-25 糸巻取装置

Publications (3)

Publication Number Publication Date
EP2479130A2 EP2479130A2 (de) 2012-07-25
EP2479130A3 EP2479130A3 (de) 2015-10-14
EP2479130B1 true EP2479130B1 (de) 2017-07-26

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JP2012153476A (ja) * 2011-01-25 2012-08-16 Murata Machinery Ltd 糸巻取装置
JP2014069931A (ja) * 2012-09-28 2014-04-21 Murata Mach Ltd トラバースアーム、及びこれを備えた糸巻取機
JP2014088638A (ja) * 2012-10-30 2014-05-15 Murata Mach Ltd 糸巻取機及び糸巻取方法
JP2014169511A (ja) * 2013-03-01 2014-09-18 Toyota Industries Corp 紡機の糸切れ検出装置
DE102013008111A1 (de) 2013-05-11 2014-11-13 Saurer Germany Gmbh & Co. Kg Überwachung des Vorhandenseins eines Fadens
JP2015157658A (ja) 2014-02-21 2015-09-03 村田機械株式会社 糸巻取装置
CN104176555A (zh) * 2014-09-02 2014-12-03 苏州市吴中三纺机械有限公司 自动倒筒机
JP6348055B2 (ja) * 2014-12-04 2018-06-27 Ｔｍｔマシナリー株式会社 糸条巻取装置
KR101689284B1 (ko) * 2015-06-02 2016-12-26 일진에이테크 주식회사 감김각 조정이 가능한 원사 권취 장치
JP2017088325A (ja) * 2015-11-11 2017-05-25 村田機械株式会社 糸引出装置及び糸巻取装置
DE102016009062A1 (de) 2016-07-26 2018-02-01 Saurer Germany Gmbh & Co. Kg Fadenchangiereinrichtung umfassend einen elektromotorischen Antrieb und einen Fingerfadenführer
CN110167857B (zh) * 2017-01-13 2020-11-06 村田机械株式会社 纱线切断控制装置、纱线监视装置和纱线卷取装置

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Publication number Publication date
CN102602744B (zh) 2017-04-12
CN102602744A (zh) 2012-07-25
EP2479130A3 (de) 2015-10-14
JP2012153476A (ja) 2012-08-16
EP2479130A2 (de) 2012-07-25
CN202358766U (zh) 2012-08-01

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