EP2641859B1 - Wicklungsvorrichtung - Google Patents
Wicklungsvorrichtung Download PDFInfo
- Publication number
- EP2641859B1 EP2641859B1 EP13151729.4A EP13151729A EP2641859B1 EP 2641859 B1 EP2641859 B1 EP 2641859B1 EP 13151729 A EP13151729 A EP 13151729A EP 2641859 B1 EP2641859 B1 EP 2641859B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- package
- roller
- electromagnetic valve
- state
- winding device
- 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.)
- Not-in-force
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- 238000004804 winding Methods 0.000 title claims description 66
- 239000012530 fluid Substances 0.000 claims description 49
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000001172 regenerating effect Effects 0.000 claims description 19
- 230000002238 attenuated effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000000593 degrading effect Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000002950 deficient Effects 0.000 description 5
- 238000005304 joining Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 206010020112 Hirsutism Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- 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
- B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
- B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
- B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
- B65H63/0364—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism by lifting or raising the package away from the driving roller
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- 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
- B65H54/40—Arrangements for rotating packages
- B65H54/44—Arrangements for rotating packages in which the package, core, or former is engaged with, or secured to, a driven member rotatable about the axis of the package
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- 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 present invention relates to a technique of a winding device adapted to wind a spun yarn to form a package.
- the winding device adapted to wind a spun yarn unwound from a yarn supplying bobbin to form a package (see e.g., Japanese Unexamined Patent Publication No. 2009-286608 ).
- the winding device includes a cradle adapted to rotatably support a package, and a roller adapted to rotate while making contact with the package to assist the winding of the spun yarn.
- the winding device also includes a lift mechanism adapted to swing the cradle to make the package and the roller into contact with each other or to separate the package and the roller away from each other (see e.g., Japanese Unexamined Patent Publication No. 2010-13259 ).
- the winding device cuts the spun yarn and separates the package and the roller from each other. This prevents the spun yarn having a defective portion from being wound into the package and also prevents degradation in the quality of the spun yarn already wound into the package.
- the package and the roller rotate by inertia as the power source is lost. Since the inertia moments of the package and the roller are different, a difference is generated between the peripheral speeds thereof.
- the spun yarn is cut when the power failure occurs, among the spun yarn already wound into the package, the spun yarn wound around the outer periphery is repeatedly rubbed by the rotation of the roller. As a result, degradation in quality such as hairiness of the spun yarn may be caused.
- the winding device separates the package and the roller from each other to prevent the quality of the spun yarn from degrading.
- the winding device having a configuration in which the package rotates corresponding to the rotation of the rotating roller see e.g., Japanese Unexamined Patent Publication No. 2011-105460 .
- the above roller serves as a "traverse drum” adapted to rotate the package while traversing the spun yarn by a guiding groove provided on the surface thereof.
- the inertia moment of the roller is large, and hence regenerative electric power obtained from the rotation of the roller can be used as the power source of the lift mechanism. That is, if the inertia moment of the roller is large, the regenerative electric power can be stably obtained and the current flow to an electromagnetic valve and the like can be continued. Therefore, the winding device having such a configuration can maintain the separated state after separating the package and the roller from each other.
- the roller rotates corresponding to the rotation of the rotating package (see e.g., Japanese Unexamined Patent Publication No. 2010-42904 ).
- the above roller serves as a "touch roller” adapted to adjust the shape of the package by pressing the outer peripheral surface of the package.
- the winding device having such a configuration since the inertia moment changes by the outer diameter of the package and the like, it is difficult to use the regenerative electric power obtained from the rotation of the package as the power source of the lift mechanism.
- the winding device having such a configuration has a problem in that the separated state cannot be maintained even if the package and the roller are separated from each other, and the package and the roller are made into contact with each other again. In other words, the spun yarn wound into the package is rubbed by the rotation of the roller, thus degrading the quality of the spun yarn.
- US-A-4149679 discloses a winding device comprising: a cradle adapted to rotatably support a package; a roller adapted to rotate while making contact with the package to assist winding of a yarn; and a lift mechanism adapted to swing the cradle to a contacting state in which the package is made into contact with the roller or a separated state in which the package is separated from the roller, wherein the lift mechanism has a lock function of maintaining each of the states without supply of electric power.
- a separate, mechanical locking device has to be provided.
- a somewhat similar solution is disclosed in EP-A-1106556 .
- a winding device of the present invention includes a cradle adapted to rotatably support a package; a roller adapted to rotate while making contact with the package to assist winding of a yarn; and a lift mechanism adapted to swing the cradle to a contacting state in which the package is made into contact with the roller or a separated state in which the package is separated from the roller.
- the lift mechanism of the winding device of the present invention includes a fluid actuator adapted to swing the cradle, and an electromagnetic valve adapted to switch a supply state of the fluid to the fluid actuator, and the electromagnetic valve has a lock function for maintaining each of the states even after electric power for exciting a coil of the electromagnetic valve is stopped or attenuated, and supplies fluid to the fluid actuator to swing the cradle from the contacting state in which the package makes contact with the roller to the separated state in which the package is separated from the roller, and maintains the separated state while holding the supply state of the fluid by the lock function.
- the fluid supplied to the fluid actuator is air.
- the lock function of the winding device of the present invention is realized by a latch structure that maintains each of the states even after electric power for exciting the coil of the electromagnetic valve is stopped or attenuated.
- the latch structure includes a magnet section adapted to maintain each of the states using a magnetic force of a permanent magnet.
- the winding device of the present invention further includes a detecting section adapted to detect power failure, and a power generating section adapted to generate regenerative electric power from the rotation of the package or the roller upon power failure; and a control section adapted to activate the electromagnetic valve by the regenerative electric power generated by the power generating section when the detecting section detects the power failure.
- the power generating section of the winding device of the present invention is an electric motor adapted to rotate the package or the roller.
- the present invention relates to a control method of a winding device, which includes a cradle adapted to rotatably support a package; a roller adapted to rotate while making contact with the package to assist winding of a yarn; and a lift mechanism adapted to swing the cradle to a contacting state in which the package is made into contact with the roller or a separated state in which the package is separated from the roller, wherein the lift mechanism maintains the contacting state as well as the separated state using a fluid actuator to swing the cradle and an electromagnetic valve to switch a supply state of fluid to the fluid actuator, the electromagnetic valve having a lock function for maintaining each of the states even after electric power for exciting a coil of the electromagnetic valve is stopped or attenuated.
- the present invention relates to a control method upon power failure of a winding device, which includes a detecting section adapted to detect power failure; and a power generating section adapted to generate regenerative electric power from the rotation of the package or the roller upon power failure, wherein the electromagnetic valve is switched when an operation voltage is applied to the electromagnetic valve by the regenerative electric power generated by the power generating section, and the switched state is maintained by the lock function of the electromagnetic valve.
- the present invention has the following effects.
- the lift mechanism has the lock function of maintaining the contacting state or the separated state without supply of electric power.
- a state in which the package and the roller make contact with or are separated from each other is maintained without using electric power.
- the electromagnetic valve supplies fluid to the fluid actuator to swing the cradle from the contacting state in which the package makes contact with the roller to the separated state in which the package is separated from the roller, and then maintains the separated state while holding the supply state of the fluid by the lock function.
- a state in which the package and the roller are separated from each other can be maintained without using electric power.
- the fluid supplied to the fluid actuator is air.
- the air for activating other mechanisms can be commonly used, and a simple configuration can be realized.
- the lock function is realized by a latch structure that maintains each state even after the electric power for exciting the coil of the electromagnetic valve is stopped or attenuated. Accordingly, the cradle is swung by stopping or attenuating the electric power adapted to excite the coil thus preventing the package and the roller from making contact with each other again. Therefore, the problem can be prevented in which the spun yarn wound into the package is rubbed by the rotation of the roller and thus degrading the quality of the spun yarn.
- the latch structure includes a magnet section adapted to maintain each state using a magnetic force of a permanent magnet. Accordingly, the package and the roller can be reliably prevented from making contact with each other again with a simple structure.
- the winding device includes a control section adapted to activate the electromagnetic valve by the regenerative electric power generated by the power generating section when the detecting section detects the power failure. Accordingly, the package and the roller can be reliably separated from each other even upon power failure. Therefore, the problem can be prevented in which the spun yarn wound into the package is rubbed by the rotation of the roller and thus degrading the quality of the spun yarn.
- the power generating section is an electric motor adapted to rotate the package or the roller.
- a power generating motor is not required to be separately arranged, and a simple configuration can be realized.
- the electromagnetic valve is switched when an operation voltage is applied to the electromagnetic valve by the regenerative electric power generated by the power generating section, and the switched state is maintained by the lock function of the electromagnetic valve. Accordingly, a state in which the package and the roller are separated from each other can be maintained without using the regenerative electric power. Furthermore, the cradle is swung by stopping or attenuating the electric power adapted to excite the coil of the solenoid constituting the electromagnetic valve, thus preventing the package and the roller from making contact with each other again. Therefore, the problem can be prevented in which the spun yarn wound into the package is rubbed by the rotation of the roller and thus degrading the quality of the spun yarn.
- FIG. 1 is a view illustrating an overall configuration of the winding device 100.
- White arrows in the figure indicate a feeding direction of a spun yarn Y.
- Black arrows in the figure indicate a movable direction of a member (traverse guide 71) constituting the winding device 100.
- the winding device 100 includes a yarn feeder 1.
- a yarn supplying bobbin SB around which the spun yarn (yarn) Y is wound is mounted on the yarn feeder 1.
- the winding device 100 includes a yarn unwinding assisting section 2, a tension applying section 3, a tension detecting section 4, a yarn joining section 5, a defect detecting section 6, a traverse section 7, and a winding section 8 along a feeding direction of the spun yarn Y unwound from the yarn supplying bobbin SB.
- the winding device 100 also includes a control section (hereinafter referred to as "unit control section") 9.
- the yarn unwinding assisting section 2 assists the unwinding of the spun yarn Y wound around the yarn supplying bobbin SB.
- the yarn unwinding assisting section 2 restricts the spun yarn Y unwound from the yarn supplying bobbin SB from spreading by a centrifugal force.
- the tension applying section 3 applies a prescribed tension on the spun yarn Y unwound from the yarn supplying bobbin SB.
- the tension applying section 3 enables high-speed winding of the spun yarn Y by applying the prescribed tension on the spun yarn Y.
- a disc-type tensor and the like may be used for the tension applying section 3.
- the tension detecting section 4 detects the tension applied on the spun yarn Y.
- the tension detecting section 4 can detect the tension applied on the spun yarn Y based on a voltage value that changes in accordance with the tension of the spun yarn Y.
- the unit control section 9 analyses a detection signal from the tension detecting section 4, so that the tension applied on the spun yarn Y is obtained.
- the yarn joining section 5 joins ends of the spun yarn Y.
- the yarn joining section 5 joins the ends of the disconnected spun yarn Y.
- a machine-type splicer device and the like may be used for the yarn joining section 5.
- the defect detecting section 6 detects a defective portion of the spun yarn Y.
- the defect detecting section 6 irradiates the spun yarn Y with a light emitting diode as a light source, and detects the defective portion of the spun yarn Y based on a reflection light quantity from the spun yarn Y.
- an analyzer 61 analyses the detection signal from the defect detecting section 6 to determine the presence or absence of defective portion.
- the defective portion of the spun yarn Y includes a case where foreign substances are contained in the spun yarn Y in addition to abnormalities in which a portion of the spun yarn Y is too thick (thick yarn) or too thin (thin yarn).
- a capacitance sensor and the like may be employed in addition to an optical sensor described above.
- the traverse section 7 traverses the spun yarn Y guided to the package P.
- the traverse section 7 includes a traverse guide 71 and a traverse guide driving unit 72.
- the traverse guide driving unit 72 drives the traverse guide 71 based on a control signal from a traverse guide drive control unit 9a.
- the traverse guide drive control unit 9a transmits a control signal to the traverse guide driving unit 72 based on an instruction from the unit control section 9.
- the traverse guide 71 is an arm member provided with a hooking section adapted to hook the spun yarn Y.
- the traverse guide 71 reciprocates in a rotation shaft direction of a bobbin TB with the spun yarn Y hooked at the hooking section to traverse the spun yarn Y (see black arrows in the figure).
- the traverse guide driving unit 72 is mainly configured by an electric motor.
- the traverse guide driving unit 72 reciprocates the traverse guide 71 by forwardly rotating or reversely rotating a rotation shaft of the electric motor.
- the electric motor constituting the traverse guide driving unit 72 is a servomotor, but may be a stepping motor or the like, for example, and any type of motor may be used.
- the winding section 8 winds the spun yarn Y by rotating the bobbin TB.
- the winding section 8 includes a cradle 81, a roller (hereinafter referred to as "touch roller") 82, and a package driving unit 83.
- the package driving unit 83 rotates the bobbin TB based on a control signal from a package drive control unit 9b.
- the package drive control unit 9b transmits the control signal to the package driving unit 83 based on an instruction from the unit control section 9.
- the cradle 81 includes a bearing for removably clamping the bobbin TB, and rotatably holds the bobbin TB.
- the cradle 81 is configured to be swingable with a swing shaft 84 as a center (see black arrows in FIG. 2 ). Therefore, even if the outer diameter of the package P becomes large corresponding to the winding of the spun yarn Y, the cradle 81 enables the touch roller 82 to press the surface of the package P at a prescribed load.
- the touch roller 82 rotates corresponding to the rotation of the rotating package P.
- the touch roller 82 adjusts the shape of the package P by pressing the surface of the package P.
- the touch roller 82 is a substantially cylindrical rotating body, but may also be a substantially conical (cone-shaped) rotating body, for example, and may be of any shape.
- the package driving unit 83 is mainly configured by an electric motor 83M.
- the package driving unit 83 drives the electric motor 83M to rotate the bobbin TB and the package P formed on the bobbin TB.
- the electric motor 83M constituting the package driving unit 83 is a servomotor, but may also be a stepping motor or the like, for example, and may be of any type.
- the overall configuration of the winding device 100 is as described above.
- the touch roller 82 rotates corresponding to the rotation of the rotating package P.
- the winding device 100 may have a configuration in which the package P rotates corresponding to the rotation of the rotating roller.
- the roller corresponds to a "traverse drum” adapted to rotate the package P while traversing the spun yarn Y by a guiding groove formed on the surface thereof.
- the winding device 100 may employ a traverse drum method.
- FIG. 2 is a view illustrating a configuration of the lift mechanism Rm according to a first embodiment. Black arrows in the figure indicate the movable direction of a member (cradle 81) constituting the winding device 100.
- the lift mechanism Rm swings the cradle 81 to bring the package P into contact with the touch roller 82 or to separate the package P from the touch roller 82.
- the lift mechanism Rm is mainly configured by a fluid actuator 11 and an electromagnetic valve 12.
- the fluid actuator 11 swings the cradle 81 when a rod 111 is slidably moved.
- the fluid actuator 11 is configured by a cylinder 112 and a piston 113, in addition to the rod 111.
- the fluid actuator 11 is a single-acting fluid actuator in which the rod 111 slidably moves in one direction by supply of air, but may be a double-acting actuator in which the rod 111 slidably moves in both directions.
- the structure of the fluid actuator 11 is not limited as long as it can swing the cradle 81 to bring the package P into contact with the touch roller 82 or to separate the package P from the touch roller 82.
- the rod 111 is a member adapted to swing the cradle 81.
- a screw portion is formed at an end of the rod 111, and a rod end 114 is screwed with a nut.
- the rod end 114 is a coupling member for coupling the rod 111 and the cradle 81.
- the cylinder 112 is a member for supporting the rod 111 in a slidably moving manner.
- the cylinder 112 is provided with a through-hole 112h, and the rod 111 is inserted to the through-hole 112h.
- a stopper 115 is attached to an end of a cylinder sleeve 21, whereby a movable range of the piston 113 is limited by the stopper 115.
- the piston 113 is a member for slidably moving the rod 111.
- the piston 113 is arranged inside the cylinder 112 and is urged in one direction by a spring 116.
- the piston 113 is formed with a wedge that is formed in a tapered shape to support a steel ball 117 arranged on the outer periphery of the rod 111.
- the electromagnetic valve 12 switches a supply state of air to the fluid actuator 11.
- the electromagnetic valve 12 is configured by a valve body 121, a spool shaft 122, a first solenoid 123, and a second solenoid 124.
- the structure of the electromagnetic valve 12 is not limited as long as the operation to be described later can be realized.
- the spool shaft 122 is slidably provided in the valve body 121.
- the valve body 121 includes a supply and discharge port 121a, which is connected to the fluid actuator 11 via a first air path 12 6.
- the valve body 121 also includes a supply port 121p, which is connected to a compressor (not illustrated) via a second air path 127, and a discharge port 121r, which is opened to atmosphere via a third air path 128.
- the spool shaft 122 slidably moves to switch the passage of air. Specifically, the spool shaft 122 slidably moves to switch the passage connected to the first air path 126 to either the second air path 127 or the third air path 128.
- the spool shaft 122 is not urged by the spring or the like, and thus does not slidably move if the first solenoid 123 and the second solenoid 124 are not activated.
- the first solenoid 123 slidably moves the spool shaft 122 to one side (direction of arrow R in FIG. 4 ).
- the first solenoid 123 according to the present embodiment is a so-called single-acting solenoid.
- the first solenoid 123 is adjacent to one end of the spool shaft 122, and slidably moves the spool shaft 122 using the fact that a movable iron core is adsorbed to an excited coil.
- the second solenoid 124 slidably moves the spool shaft 122 to the other side (direction of arrow L in FIG. 4 ).
- the second solenoid 124 according to the present embodiment is a so-called single-acting solenoid.
- the second solenoid 124 is adjacent to the other end of the spool shaft 122, and slidably moves the spool shaft 122 using the fact that a movable iron core is adsorbed to an excited coil.
- the configuration of the lift mechanism Rm according to the first embodiment is as described above.
- the fluid supplied to the fluid actuator 11 is air, but a configuration of supplying operating oil or the like may also be adopted.
- the air is used for the fluid because the air for activating other mechanisms can be commonly used and a simple configuration can be realized.
- the operation mode of the fluid actuator 11 and the electromagnetic valve 12 will be described below, and the technical concept of the present invention and the advantages thereof will be described.
- FIGS. 5A and 5B are views illustrating the operation modes of the fluid actuator 11 and the electromagnetic valve 12.
- FIGS. 6A and 6B are views each illustrating a state in which the package P and the touch roller 82 make contact with or separated from each other.
- the white arrows in the figure indicate the flowing direction of the air.
- the black arrows in the figure indicate the movable direction of the member (cradle 81 or the like) constituting the lift mechanism Rm.
- the unit control section 9 constantly determines whether or not power failure occurred based on the electric signal from a detecting section 91 (see FIG. 1 and FIG. 2 ). When determined that the power failure occurred based on the electric signal from the detecting section 91, the unit control section 9 performs the following control.
- the unit control section 9 transmits a control signal to the electromagnetic valve 12 to activate the first solenoid 123.
- the first solenoid 123 thereby slidably moves the spool shaft 122 to a predetermined position (see black arrow in FIG. 5A ).
- the piston 113 of the fluid actuator 11 then moves by the pressure of air supplied from the electromagnetic valve 12.
- the rod 111 is gripped by the steel ball 117 supported by the wedge of the piston 113 to slidably move with the piston 113 (see black arrow in FIG. 5A ).
- the unit control section 9 slidablymoves the spool shaft 122 to connect the supply and discharge port 121a with the supply port 121p, and to shield the discharge port 121r (see FIG. 5A ) .
- the air fed from the compressor is introduced from the second air path 127 to the first air path 126, and then supplied to the fluid actuator 11 (see white arrows in FIG. 5A ).
- the piston 113 then moves by the pressure of the supplied air, and slidably moves the rod 111 held by the steel ball 117 (see black arrow in FIG. 5A ).
- the winding device 100 uses the regenerative electric power generated by the electric motor 83M constituting the package driving unit 83 to apply an operation voltage on the first solenoid 123 of the electromagnetic valve 12. That is, the winding device 100 assumes the electric motor 83M constituting the package driving unit 83 as a power generating section, and activates the first solenoid 123 of the electromagnetic valve 12 by the regenerative electric power generated by the power generating section.
- the winding device 100 can reliably separate the package P and the touch roller 82 from each other even upon power failure (see FIG. 6A ). Therefore, the problem can be prevented in which the spun yarn Y wound into the package P is rubbed by the rotation of the touch roller 82 while the package P rotates by inertia, thus degrading the quality of the spun yarn Y. Furthermore, the power generating motor is not required to be separately arranged since the electric motor 83M adapted to rotate the package P is assumed as the power generating section, whereby a simple configuration can be achieved.
- the unit control section 9 then immediately stops the application of the operation voltage when the lock function of the electromagnetic valve 12 is activated.
- the lock function is realized with a latch structure that maintains the activation state even after the electric power that excites the coil of the first solenoid 123 is stopped or attenuated.
- the latch structure also serving as the lock function of the electromagnetic valve 12, is realized by a permanent magnet (magnet section) 125 adapted to hold the position of the spool shaft 122 even after the electric power that excites the coil of the first solenoid 123 is stopped or attenuated (see FIG. 4 ).
- the latch structure merely needs to be a structure in which the spool shaft 122 does not slidably move if the supply of electric power is stopped, and is not limited to the shown structure.
- the winding device 100 can maintain the state in which the package P and the touch roller 82 are separated from each other without using the regenerative electric power.
- the winding device 100 prevents the cradle 81 from swinging by the stopping or the attenuation of the electric power that excites the coil, and prevents the package P and the touch roller 82 from making contact with each other again. Therefore, the problem can be prevented in which the spun yarn Y wound into the package P is rubbed by the rotation of the touch roller 82, thus degrading the quality of the spun yarn Y.
- the latch structure is realized using the magnetic force of the permanent magnet 125, the package P and the touch roller 82 can be reliably prevented from making contact with each other again with a simple structure.
- the unit control section 9 transmits the control signal to the electromagnetic valve 12 to activate the second solenoid 124 when a considerable time has elapsed in which the rotation of the package P and the touch roller 82 stops, and the power failure is recovered to resume the winding operation.
- the second solenoid 124 thus slidably moves the spool shaft 122 to a predetermined position (see black arrow in FIG. 5B )
- the piston 113 of the fluid actuator 11 thus moves by the urging force of the spring 116.
- the rod 111 is released from the gripping of the steel ball 117, and slidably moves in the movable direction of the piston 113 by the weight of the package P (see black arrow in FIG. 5B ).
- the unit control section 9 slidably moves the spool shaft 122 to connect the supply and discharge port 121a and the discharge port 121r, and shield the supply port 121p (see FIG. 5B ) .
- the air in the cylinder 112 of the fluid actuator 11 is thus guided from the first air path 126 to the third air path 128 and discharged (see white arrows in FIG. 5B ) .
- the piston 113 then moves by the urging force of the spring 116, and releases the gripping by the steel ball 117 to slidably move the rod 111 by the weight of the package P (see black arrow in FIG. 5B ).
- the winding device 100 can make the package P and the touch roller 82 into contact with each other after the rotation of the package P and the touch roller 82 is stopped (see FIG. 6B ). Therefore, after the power failure is recovered, the formation of the package P can be immediately resumed.
- the winding device 100 realizes a series of operations with the electromagnetic valve (three port electromagnetic valve) 12 including the supply and discharge port 121a, the supply port 121p, and the discharge port 121r.
- the series of operations can be realized with a four port electromagnetic valve 12X.
- the series of operations can be realized with a five port electromagnetic valve 12Y. Therefore, the technical concept of the present invention has significance in realizing the operations described above, and is not intended to limit the specific configuration of the electromagnetic valve 12 and the like.
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- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Winding Filamentary Materials (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Claims (8)
- Wickelvorrichtung (100), welche aufweist:einen Träger (81), der dazu ausgelegt ist, eine Packung (P) drehbar zu tragen;eine Rolle (82), die ausgelegt ist zur Drehung, während sie Kontakt mit der Packung (P) herstellt, um das Wickeln von Garn zu unterstützen; undeinen Hebemechanismus (Rm), der dazu ausgelegt ist, den Träger (81) zu einem Kontaktzustand, in dem die Packung (P) in Kontakt mit der Rolle (82) gebracht ist, oder einen getrennten Zustand, in dem die Packung (P) von der Rolle (82) getrennt ist, zu verschwenken,wobei der Hebemechanismus (Rm) enthält:einen Fluidaktuator (11), der dazu ausgelegt ist, den Träger (81) zu verschwenken, undein elektromagnetisches Ventil (12), das dazu ausgelegt ist, einen Fluidzufuhrzustand zu dem Fluidaktuator (11) zu schalten,dadurch gekennzeichnet, dassdas elektromagnetische Ventil (12) eine Arretierfunktion (125) aufweist, um jeden der Zustände auch dann beizubehalten, nachdem die Stromversorgung zum Anregen einer Wicklung (123, 124) des elektromagnetischen Ventils (12) gestoppt oder vermindert ist, und das elektromagnetische Ventil (12) dazu ausgelegt ist, dem Fluidaktuator (11) Fluid zuzuführen, um den Träger (81) von dem Kontaktzustand, in dem die Packung (P) Kontakt mit der Rolle (82) herstellt, zu dem getrennten Zustand, in dem die Packung (P) von der Rolle (82) getrennt ist, zu verschwenken und um durch die Arretierfunktion (125) den getrennten Zustand beizubehalten, während der Fluidzufuhrzustand gehalten wird.
- Die Wickelvorrichtung (109) nach Anspruch 1, dadurch gekennzeichnet, dass der Fluidaktuator (11) ein Luftaktuator ist, in dem Luft als Fluid zugeführt wird.
- Die Wickelvorrichtung (100) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Arretierfunktion (125) durch eine Sperrstruktur (125) realisiert wird, die jeden der Zustände auch dann beibehält, nachdem die Stromversorgung zum Anregen der Wicklung (123, 124) gestoppt oder vermindert ist.
- Die Wickelvorrichtung (100) nach Anspruch 3, dadurch gekennzeichnet, dass die Sperrstruktur (125) einen Magnetabschnitt (125) enthält, der dazu ausgelegt ist, jeden der Zustände mittels einer Magnetkraft eines Permanentmagneten beizubehalten.
- Die Wickelvorrichtung (100) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass sie ferner aufweist:einen Detektionsabschnitt (91), der dazu ausgelegt ist, einen Stromausfall zu detektieren;einen Stromerzeugungsabschnitt (83M), der dazu ausgelegt ist, bei Stromausfall regenerative elektrische Energie aus einer Drehung der Packung (P) oder der Rolle (82) zu erzeugen; undeinen Steuerabschnitt (9), der dazu ausgelegt ist, das elektromagnetische Ventil (12) durch die vom Stromerzeugungsabschnitt (83M) erzeugte regenerative elektrische Energie zu aktivieren, wenn der Detektionsabschnitt (91) den Stromausfall detektiert.
- Die Wickelvorrichtung (100) nach Anspruch 5, dadurch gekennzeichnet, dass der Stromerzeugungsabschnitt (83M) ein Elektromotor (18M) ist, der dazu ausgelegt ist, die Packung (P) oder die Rolle (82) zu drehen.
- Steuerverfahren für eine Wickelvorrichtung (100), mit den folgenden Schritten:einen Träger (81), der eine Packung (P) drehbar trägt;eine Rolle (82), die sich dreht, während sie die Packung (P) kontaktiert, um das Wickeln eines Garns (Y) zu unterstützen; undeinen Hebemechanismus (Rm), der den Träger (81) zu einem Kontaktzustand, in dem die Packung (P) die Rolle (82) kontaktiert, oder einen getrennten Zustand, in dem die Packung (P) von der Rolle (82) getrennt ist, verschwenkt,wobei der Hebemechanismus (Rm) den Kontaktzustand sowie auch den getrennten Zustand mittels eines Fluidaktuators (11) beibehält, um den Träger (81) zu verschwenken, sowie ein elektromagnetisches Ventil (12) zum Schalten eines Fluidzufuhrzustands zu dem Fluidaktuator (11), dadurch gekennzeichnet, dassdas elektromagnetische Ventil (12) eine Sperrfunktion (125) hat, um jeden der Zustände beizubehalten, auch nachdem die Stromversorgung zum Anregen einer Wicklung (123, 124) des elektromagnetischen Ventils (12) gestoppt oder vermindert ist, und das elektromagnetische Ventil (12) dazu ausgelegt ist, dem Fluidaktuator (11) Fluid zuzuführen, um den Träger (81) von dem Kontaktzustand, in dem die Packung (P) Kontakt mit der Rolle (82) herstellt, zu dem getrennten Zustand, in dem die Packung (P) von der Rolle (82) getrennt ist, zu verschwenken, und durch die Arretierfunktion (125) den getrennten Zustand beizubehalten, während der Fluidzufuhrzustand gehalten wird.
- Steuerverfahren nach Anspruch 7, welches enthält:einen Detektionsabschnitt (91), der einen Stromausfall detektiert; undeinen Stromerzeugungsabschnitt (83M), der bei Stromausfall regenerative elektrische Energie aus der Drehung der Packung (P) oder der Rolle (82) erzeugt; dadurch gekennzeichnet, dassdas elektromagnetische Ventil umschaltet, wenn eine Betriebsspannung an das elektromagnetische Ventil (12) durch die vom Stromerzeugungsabschnitt (83M) erzeugte regenerative elektrische Energie angelegt wird, und der geschaltete Zustand die Sperrfunktion (125) des elektromagnetischen Ventils (12) beibehalten wird.
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JP2012067681A JP2013199339A (ja) | 2012-03-23 | 2012-03-23 | 巻取装置 |
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JP2015081157A (ja) * | 2013-10-21 | 2015-04-27 | 村田機械株式会社 | 糸巻取機 |
CN104073938B (zh) * | 2014-07-19 | 2017-03-15 | 无锡市华文机电有限公司 | 一种断纱自动抬升机构 |
CN104773603A (zh) * | 2015-03-14 | 2015-07-15 | 张家港欣阳化纤有限公司 | 生产化纤用卷绕传动机构 |
CN106081727A (zh) * | 2016-07-26 | 2016-11-09 | 陕西华燕航空仪表有限公司 | 筒子架自动抬升机构 |
CN107128716A (zh) * | 2017-06-16 | 2017-09-05 | 太仓鸿海精密机械有限公司 | 一种卷绕装置 |
JP6935243B2 (ja) * | 2017-06-21 | 2021-09-15 | Tmtマシナリー株式会社 | 糸巻取機 |
JP2019059601A (ja) * | 2017-09-27 | 2019-04-18 | 村田機械株式会社 | 糸巻取機 |
CH715345A1 (de) * | 2018-09-18 | 2020-03-31 | Ssm Schaerer Schweiter Mettler Ag | Verfahren zum Schwenken einer Spule in einer Spulvorrichtung, sowie Spulvorrichtung. |
IT202000002620A1 (it) * | 2020-02-11 | 2021-08-11 | Officine Gaudino S P A | Dispositivo finitore a bobine per processi di filatura pettinata, munito di un gruppo di avvolgimento-stoppino perfezionato. |
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CN113602907B (zh) * | 2021-07-23 | 2022-12-23 | 兔皇羊绒有限公司 | 一种羊绒纱线上油收卷装置 |
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JP2011037608A (ja) * | 2009-08-17 | 2011-02-24 | Murata Machinery Ltd | 繊維機械 |
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