EP2671830B1 - Textilmaschine, Verfahren zur Bestimmung der Bereitschaftsstellung eines angetriebenen Elements einer Wickeleinheit sowie Wickeleinheit - Google Patents

Textilmaschine, Verfahren zur Bestimmung der Bereitschaftsstellung eines angetriebenen Elements einer Wickeleinheit sowie Wickeleinheit Download PDF

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Publication number
EP2671830B1
EP2671830B1 EP13170828.1A EP13170828A EP2671830B1 EP 2671830 B1 EP2671830 B1 EP 2671830B1 EP 13170828 A EP13170828 A EP 13170828A EP 2671830 B1 EP2671830 B1 EP 2671830B1
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EP
European Patent Office
Prior art keywords
command value
yarn
driven member
textile machine
origin
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EP13170828.1A
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English (en)
French (fr)
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EP2671830A3 (de
EP2671830A2 (de
Inventor
Hisakatsu Imamura
Kenji Kawamoto
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Murata Machinery Ltd
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Murata Machinery Ltd
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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
    • 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
    • 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 textile machine. Specifically, the present invention relates to a configuration of accurately aligning a driven member arranged in a textile machine to a target position.
  • the textile machine such as an automatic winder and the like includes various driven members (members driven by a motor and the like) such as a member for catching an upper yarn or a lower yarn, a yarn joining device, and the like.
  • a known method for driving the driven member includes a configuration of transmitting an output of one motor to a plurality of driven members using a cam and the like, and a configuration of arranging a dedicated motor for each driven member.
  • Japanese Unexamined Patent Publication No. 2009-203008 discloses a textile machine having a latter configuration.
  • the textile machine of Japanese Unexamined Patent Publication No. 2009-203008 divides the winding unit to a plurality of sections, and arranges a control section and a motor for each of the sections to modularize the relevant section. Since each module is easily detachable, the maintenance property can be improved. Furthermore, wiring can be simplified compared to a configuration in which the motor and the control device are integrally concentrated in one area.
  • FIGS. 7A and 7B are schematic side views describing a conventional position adjustment method.
  • a winding unit 11 includes an origin sensor for defining an origin of the motor that drives the upper-yarn catching member 30.
  • the upper-yarn catching member 30 is normally positioned at the origin position defined by the origin sensor (see FIG. 7A ).
  • the motor moves the upper-yarn catching member 30 by a distance (by theoretical value) defined in advance (see FIG. 7B ).
  • the theoretical value is a theoretical movement amount obtained based on the origin position (value not taking into consideration shift, error, and the like) in designing of the upper-yarn catching member 30, and a position (value not taking into consideration shift, error, and the like) in designing of a cradle 23, and the like. Since the diameter of the package 18 becomes larger as the winding of the yarn advances, the theoretical value is a variable which is determined according to the advancement of the winding of the yarn.
  • a suction mouth 34 at the distal end of the upper-yarn catching member 30 can be moved to a satisfactory position (position where the yarn end can be satisfactorily caught without colliding with the package 18 and other members).
  • the cradle 23, and the like in order to set the upper-yarn catching member 30, the cradle 23, and the like at accurate positions, not only the upper-yarn catching member 30 and the like, but the members supporting the same also need to be accurately mounted.
  • the accuracy can be improved by using a jig and the like, but this takes time and trouble, and requires experience as well as technical skill. If shift occurs, there is a possibility of colliding with the package 18 and other members when the upper-yarn catching member 30 is swung to the upper side.
  • This type of problem occurs not only in the upper-yarn catching member 30 but commonly in the overall driven member arranged in the textile machine.
  • the present invention has been made in view of the above, and an object thereof is to provide a textile machine capable of improving positioning accuracy of a driven member without depending on mounting accuracy.
  • the textile machine includes a driven member; a driving section adapted to move the driven member according to a specified command value; an origin sensor adapted to detect an origin position, which is a reference position, of the driven member; a command value measuring section adapted to obtain, as an actual measurement command value, the command value necessary for moving the driven member from a target position to the origin position; and a drive control section adapted to determine a standby position of the driven member from the actual measurement command value obtained by the command value measuring section, a theoretical command value determined in advance to have a position to which the driven member is moved by a predetermined command value from the target position as a standby position, and the origin position.
  • a standby position determining method of a driven member of a winding unit including the steps of swinging and adjusting the driven member so to be positioned at a target position; confirming the target position at the adjusted position; moving the driven member from the target position to an origin position after accepting the confirmation of the target position, and counting the number of pulses necessary for the driven member to move from the target position to the origin position; storing a difference between the counted number of pulses and a theoretical command value; and changing the standby position of the driven member from the origin position by an amount corresponding to the difference.
  • the driven member thus can be accurately moved to the target position. Since the driven member does not need to be mounted at high accuracy, the driven member, the supporting member thereof, and the like can be easily assembled. Furthermore, since a distance between the standby position and the target position is the amount of the theoretical command value, the time for the movement of the driven member can be accurately estimated.
  • the textile machine described above preferably has the following configuration.
  • the textile machine includes a plurality of winding units.
  • the command value measuring section obtains the actual measurement command value for each winding unit.
  • the driven members of all the winding units can be accurately moved to the target position by acquiring the command value in the above manner.
  • the drive control section preferably sets a position spaced apart by the same command value from the target position as a standby position.
  • the operation time of the driven member can be prevented from shifting.
  • the textile machine described above preferably has the following configuration.
  • the textile machine further includes a plurality of the driven members.
  • Each of the driven members includes an individual driving section.
  • the target position thus can be set for each driven member to perform the position control.
  • the driving section is preferably a stepping motor.
  • the number of pulses thus can be used as the command value, and the position control can be easily carried out.
  • the textile machine described above preferably has the following configuration.
  • the command value is the number of pulses transmitted from the drive control section to drive the stepping motor.
  • the command value measuring section is a number-of-pulse counting section adapted to count the number of pulses.
  • the actual measurement command value thus can be obtained by simply counting the number of pulses, and the driven member can be moved from the standby position to the target position by simply specifying the theoretical command value. Therefore, the processing necessary for the present invention can be simplified.
  • the origin sensor is preferably a magnet sensor.
  • the origin position of the driven member thus can be detected with an inexpensive and simple configuration.
  • the driven member is preferably a yarn catching member adapted to catch a yarn end from a package with a proximate portion of the package as a target position.
  • the yarn catching member is desirably accurately moved to the target position to reliably prevent a situation of colliding with the package or a situation of not being able to catch the yarn end from the package, and the effects of the present invention can be more effectively exhibited.
  • FIG. 1 is a front view illustrating a schematic configuration of an automatic winder 10 according to the present embodiment.
  • the automatic winder (textile machine) 10 includes a plurality of winding units 11 arranged in a line, a machine control device 12, a yarn-supplying-bobbin supplying device 13, and a doffing device 14 as main components.
  • the machine control device 12 is configured to communicate with each winding unit 11. An operator of the automatic winder 10 can collectively manage the plurality of winding units 11 by appropriately operating the machine control device 12.
  • Each of the winding units 11 unwinds a yarn from a yarn supplying bobbin 15 and winds a yarn 16, which is unwound from the yarn supplying bobbin 15, around a winding bobbin while causing the yarn 16 to traverse.
  • the winding bobbin around which the yarn 16 is wound is called a package 18.
  • a yarn-supplying-bobbin conveying mechanism (not illustrated) configured by a belt conveyor or the like is arranged between the yarn-supplying-bobbin supplying device 13 and each winding unit 11.
  • the yarn-supplying-bobbin conveying mechanism is configured to convey a conveying tray 19 ( FIG. 2 ) carrying the yarn supplying bobbin 15 to each winding unit 11.
  • the yarn-supplying-bobbin supplying device 13 places the yarn supplying bobbins 15 one by one on the conveying tray 19 and delivers the yarn supplying bobbin to the yarn-supplying-bobbin conveying mechanism.
  • the yarn supplying bobbins 15 thus can be supplied to each winding unit 11.
  • the doffing device 14 travels to the position of this winding unit 11 to detach the fully-wound package and set an empty winding bobbin.
  • the machine control device 12 controls operations of the yarn-supplying-bobbin supplying device 13 and the doffing device 14.
  • Each winding unit 11 includes a yarn supplying section 20 and a winding section 21.
  • the yarn supplying section 20 is configured to hold the yarn supplying bobbin 15 placed on the conveying tray 19 at a predetermined position. The yarn 16 thus can be appropriately unwound from the yarn supplying bobbin 15.
  • the winding section 21 includes a cradle 23 and a winding drum 17.
  • the cradle 23 includes a pair of winding bobbin supporting members.
  • the cradle 23 rotatably supports a winding bobbin 22 (or the package 18) by arranging the winding bobbin 22 between the winding bobbin supporting members.
  • the cradle 23 is moveable so as to bring an outer periphery of the package 18 supported by the cradle 23 into contact with an outer periphery of the winding drum 17.
  • the winding drum 17 causes the yarn 16 to traverse on the surface of the package 18 and also causes the package 18 to rotate.
  • the winding drum 17 is rotated by a driving source (e.g. , an electric motor) (not illustrated).
  • the package 18 is rotated by rotation of the winding drum 17 when the outer periphery of the package 18 is in contact with the winding drum 17.
  • a helical traverse groove (not illustrated) is formed in an outer peripheral surface of the winding drum 17.
  • the yarn 16 unwound from the yarn supplying bobbin 15 is wound onto the surface of the package 18 while being traversed a predetermined width by the traverse groove. Accordingly, the package 18 having a predetermined winding width can be formed.
  • Each winding unit 11 includes an operation section 51 on the front side of the winding unit 11. The operator operates the operation section 51 to give an instruction to the winding unit 11.
  • Each winding unit 11 includes an unwinding assisting device 24, a tension applying device 25, a yarn joining device 26, and a yarn-quality measuring device 27 that are arranged on a yarn travelling path between the yarn supplying section 20 and the winding section 21 in this order from the side of the yarn supplying section 20.
  • an upstream side and a downstream side with respect to a direction in which the yarn 16 travels are referred to as “upstream” and “downstream”, respectively, in some cases.
  • the unwinding assisting device 24 includes a regulating member 28 capable of covering a core tube of the yarn supplying bobbin 15.
  • the regulating member 28 is substantially cylindrical and is arranged so as to come into contact with a balloon formed above a yarn layer on the yarn supplying bobbin 15.
  • the balloon is a portion where the yarn 16 unwound from the yarn supplying bobbin 15 bulges because of centrifugal force.
  • a tension is applied to a balloon portion of the yarn 16, thereby preventing the yarn 16 from forming an excessively outwardly curved balloon. Accordingly, the yarn 16 can be appropriately unwound from the yarn supplying bobbin 15.
  • the tension applying device 25 applies a predetermined tension to the travelling yarn 16.
  • the tension applying device 25 is of gate type, in which movable comb teeth are arranged between fixed comb teeth. The movable comb teeth are urged so as to bring the comb teeth into a meshed state.
  • the tension applying device 25 can improve quality of the package 18 by causing the yarn 16 to pass between the meshed teeth while bending the yarn 16 to thereby apply an appropriate tension to the yarn 16.
  • a disk-type tension applying device can be used as the tension applying device 25.
  • the yarn joining device 26 joins a lower yarn from the yarn supplying bobbin 15 and an upper yarn from the package 18 when the yarn 16 between the yarn supplying bobbin 15 and the package 18 is disconnected due to some reason.
  • the yarn joining device 26 is a splicer that twists and joins yarn ends by utilizing a whirling airflow generated by compressed air.
  • a mechanical knotter or the like for example, can be used as the yarn joining device 26.
  • the yarn-quality measuring device 27 monitors a thickness of the yarn 16 using an appropriate sensor.
  • a cutter (not illustrated) that cuts the yarn 16 immediately when the yarn-quality measuring device 27 detects an abnormality of a yarn thickness is arranged in proximity to the yarn-quality measuring device 27.
  • a lower-yarn catching member 29 and an upper-yarn catching member (driven member, yarn catching member) 30 are arranged above and below the yarn joining device 26.
  • the lower-yarn catching member 29 catches and guides the yarn (lower yarn) from the yarn supplying bobbin 15.
  • the upper-yarn catching member 30 catches and guides the yarn (upper yarn) from the package 18.
  • the lower-yarn catching member 29 is configured by a lower-yarn catching pipe 31 connected to a negative pressure source (not illustrated), and a suction port 32 at a distal end.
  • the upper-yarn catching member 30 is configured by an upper-yarn catching pipe 33 connected to the negative pressure source (not illustrated), and a suction mouth 34 at the distal end. According to such a configuration, a suction flow can be acted at the suction port 32 and the suction mouth 34.
  • the yarn 16 is thereby wound around the yarn supplying bobbin 15.
  • FIG. 3 is a block diagram illustrating a configuration for driving the upper-yarn catching member 30.
  • each winding unit 11 includes, as a configuration for driving the upper-yarn catching member 30, a stepping motor (driving section) 41, a pulley 42, a transmission belt 43, a pulley 44, a magnet sensor (origin sensor) 45, a drive control section 46, a number-of-pulse storage section 47, and a number-of-pulse counting section (command value measuring section) 48 (see FIGS. 2 and 3 ).
  • the stepping motor 41 When the number of pulses (command value) is specified from the drive control section 46 illustrated in FIG. 3 , the stepping motor 41 is swung by an amount corresponding to the number of pulses.
  • the stepping motor 41 is a driving section adapted to drive the upper-yarn catching member 30, and other members are driven by other motors (not illustrated).
  • the number-of-pulse counting section 48 counts the number of pulses specified to the stepping motor 41 by the drive control section 46, and stores such count value in the number-of-pulse storage section 47.
  • the pulley 42 is mounted to an output shaft 41a of the stepping motor 41.
  • the transmission belt 43 is provided across the pulley 42 and the pulley 44.
  • the basal end (portion that becomes the center of swing) of the upper-yarn catching member 30 is mounted to the pulley 44. According to the above configuration, the upper-yarn catching member 30 can be swung to the upper side or the lower side by driving the stepping motor 41.
  • the magnet sensor 45 for defining the origin position, which is a reference position, of the upper-yarn catching member 30 is mounted to the pulley 42 or the pulley 44.
  • the magnet sensor 45 transmits a detection signal to the drive control section 46 when the pulley 42 or the pulley 44 is at a predetermined rotation phase.
  • the rotation state when the magnet sensor 45 transmits the detection signal is the origin of the stepping motor 41, and the rotation control of the stepping motor 41 is carried out with such an origin as the reference.
  • the position of the upper-yarn catching member 30 when the stepping motor is at the origin is referred to as the "origin position".
  • FIG. 4 is a flowchart illustrating processing of the automatic winder 10 in the correction mode.
  • FIGS. 5A and 5B are schematic side views describing the number of pulses counted in the correction mode.
  • the mounting error may occur at the time of installation of the automatic winder 10, or after once detaching (or replacing) the cradle 23, the upper-yarn catching member 30, and the like. Therefore, in this case, the operator operates the machine control device 12, the operation section 51, and the like to give an instruction to shift to the correction mode for performing correction.
  • the automatic winder 10 thereby shifts to the correction mode (S101).
  • the operator sets the winding bobbin 22, around which the yarn 16 is not wound, to the cradle 23, and selects the upper-yarn catching member 30 as a device to be corrected (S102). When correcting another device, such device is selected as the device to be corrected.
  • the drive control section 46 of the automatic winder 10 swings the upper-yarn catching member 30 selected in S102 to the upper side (S103).
  • the swinging amount in this case is set in advance, and the upper-yarn catching member 30 is stopped at a position where the suction mouth 34 and the winding bobbin 22 do not collide even if the mounting position is slightly shifted.
  • the operator then operates, for example, a rise button or a lower button of the operation section 51 to raise or lower the upper-yarn catching member 30 (S104), and makes an adjustment so that the upper-yarn catching member 30 is positioned at an optimum position (target position).
  • the operator pushes a confirm button or the like.
  • the drive control section 46 accepts confirmation of the target position (S105, FIG. 5A ).
  • the drive control section 46 After accepting the confirmation of the target position, the drive control section 46 lowers the upper-yarn catching member 30 from the target position to the origin position (S106, FIG. 5B ).
  • the number-of-pulse counting section 48 counts the number of pulses necessary for the upper-yarn catching member 30 to be lowered from the target position to the origin position, and stores the counted number of pulses (actual measured command value, hereinafter referred to as actual measurement number) or a difference between the actual measurement number and the theoretical value (theoretical command value) in the number-of-pulse storage section 47 (S107).
  • the theoretical value is a value that changes according to the diameter of the package 18, and thus when storing the difference with the actual measurement number, the theoretical value when the yarn 16 is not wound is obtained and such theoretical value is used. Thereafter, the automatic winder 10 terminates the correction mode (S108).
  • the actual measurement number obtained in S106 by the number-of-pulse counting section 48 is a value measured after the mounting of each member, and thus is a value that takes into consideration the mounting error and the dimensional error. Therefore, even if the mounting accuracy is not high, the upper-yarn catching member 30 can be accurately positioned at the target position by using such actual measurement number. Furthermore, since this operation is significantly easier than the conventional mounting operation in which extremely high accuracy is demanded, the load of the operator (or the manufacturer) can be reduced. Since the mounting error and the like differ among the winding units 11, the user needs to perform the above operation for each winding unit 11.
  • FIGS. 6A and 6B are schematic side views describing a standby position and the movement amount of the upper-yarn catching member 30 at the time of yarn winding.
  • the drive control section 46 determines the standby position in view of the actual measurement value, the theoretical value, and the origin position. Specifically, the number-of-pulse storage section 47 stores the difference between the actual measurement number and the theoretical value, and the drive control section 46 changes the standby position of the upper-yarn catching member 30 from the origin position by the amount corresponding to such a difference (see FIG. 6A ). For example, in FIG. 5B , the movement amount for the theoretical value in the correction mode is smaller than the movement amount indicated by the actual measurement number. Therefore, the upper-yarn catching member 30 is in standby on the rising side by such an amount.
  • the suction mouth 34 can be positioned at the target position by simply raising the upper-yarn catching member 30 by the theoretical value. That is, the theoretical value can also be expressed as "value determined in advance for having the position moved by a predetermined number of pulses from the target position as the standby position".
  • the standby position can be expressed as "position spaced apart by the same number of pulses (theoretical value) from the target position regardless of the actual measurement number".
  • the actual measurement number can be used to perform the following processing. That is, the number-of-pulse counting section 48 stores, not the "difference between the actual measurement number and the theoretical value", but the actual measurement number in the number-of-pulse storage section 47.
  • the standby position of the upper-yarn catching member 30 is assumed as the origin position. At the time of winding of the yarn 16, when moving the upper-yarn catching member 30, the number of pulses, in which the actual measurement number and the correction amount based on the theoretical value obtained from the diameter of the package 18 are added, is output to the stepping motor 41.
  • the upper-yarn catching member 30 thus can be positioned at the target position at similar accuracy as above.
  • the automatic winder 10 of the present embodiment includes the upper-yarn catching member 30, the stepping motor 41, the magnet sensor 45, the number-of-pulse counting section 48, and the drive control section 46.
  • the stepping motor 41 moves the upper-yarn catching member 30 by an amount corresponding to the specified number of pulses.
  • the magnet sensor 45 detects the origin position, which is the reference position, of the upper-yarn catching member 30.
  • the number-of-pulse counting section 48 obtains the actual measurement value, which is the number of pulses necessary for moving the upper-yarn catching member 30 from the target position to the origin position.
  • the drive control section 46 determines the standby position of the upper-yarn catching member 30 in view of the actual measurement number counted by the number-of-pulse counting section 48, the theoretical value, and the origin position.
  • the upper-yarn catching member 30 thus can be accurately moved to the target position. Since the upper-yarn catching member 30 does not need to be mounted at high accuracy, the upper-yarn catching member 30, the supporting member thereof, and the like can be easily assembled. Furthermore, since the distance between the standby position and the target position is the amount of theoretical value, the time required for the movement of the upper-yarn catching member 30 can be accurately estimated.
  • the automatic winder 10 of the present embodiment includes a plurality of winding units 11, each including the upper-yarn catching member 30.
  • the number-of-pulse counting section 48 of the winding unit 11 obtains the actual measurement value for each winding unit 11.
  • the mounting error thus differs for each winding unit 11, and thus the driven members of all the winding units 11 can be accurately moved to the target position by acquiring the number of pulses in the above manner.
  • the drive control section 46 assumes the position spaced apart by the same number of pulses from the target position as the standby position regardless of the number of pulses obtained by the number-of-pulse counting section 48.
  • the movement amount (i.e. , movement time) when moving the upper-yarn catching member 30 to the target position thus becomes the same among the winding units 11, whereby shifting can be prevented from occurring during the operation time of the upper-yarn catching member 30.
  • the upper-yarn catching member 30 has been described as the driven member by way of example, but the driven member is not limited to the upper-yarn catching member 30, and for example, may be a yarn joining device, a suction switching shutter, an unwinding assisting device, a lower-yarn catching member, and the like.
  • the driven member is not limited to the upper-yarn catching member 30, and for example, may be a yarn joining device, a suction switching shutter, an unwinding assisting device, a lower-yarn catching member, and the like.
  • description will be made in order.
  • the yarn joining device which includes a yarn guiding lever adapted to pull the yarn supplied by the lower-yarn catching member and the upper-yarn catching member into the yarn joining nozzle. Since the overlapping amount of the upper yarn and the lower yarn is determined by the movement amount of the yarn guiding lever, highly accurate position control is demanded on the yarn guiding lever. Therefore, an appropriate yarn joining operation can be performed by correcting the operation of the yarn guiding lever through the above method.
  • the unwinding assisting device that is lowered towards the yarn supplying bobbin accompanying the unwinding of the yarn and maintains constant the distance between the portion where the yarn is to be unwound and the unwinding assisting device.
  • highly accurate position control is demanded to prevent collision of the unwinding assisting device and the yarn supplying bobbin and to appropriately unwind the yarn. Therefore, the yarn can be appropriately unwound by correcting the lowering of the unwinding assisting device through the above method.
  • the suction switching shutter is a shutter that is arranged in a pipe connected to a negative pressure source of the textile machine, and that switches which of a plurality of suction means for sucking the yarn and the foreign substance is to be operated.
  • the suction switching shutter shifts, the suction force set in advance may not be exhibited, and thus highly accurate position control is demanded. Therefore, the suction means can be appropriately switched by correcting the operation of the suction switching shutter through the above method.
  • the lower-yarn catching member can switch the position to the standby position and the catching position of catching the lower yarn.
  • the suction port can be accurately positioned at the defined catching position by correcting the catching position through the above method. Therefore, the yarn can be reliably caught.
  • the automatic winder 10 may perform the position control on a plurality of driven members through the above method.
  • the present invention can be applied to both the upper-yarn catching member 30 and the lower-yarn catching member 29.
  • the driving section is preferably arranged for each driven member.
  • the winding bobbin 22 on which the yarn 16 is not wound is used, but the winding bobbin 22 on which the yarn 16 is wound (the package 18) may be used.
  • the theoretical value corresponding to the current diameter of the package 18 to use is to be obtained, and the relevant theoretical value needs to be applied.
  • the driving section is not limited to the stepping motor 41, and other devices (servo motor and the like) capable of adjusting the driving amount may be used.
  • the origin sensor is not limited to the magnet sensor 45, and other devices (limit switch and the like) capable of setting the origin position may be used.
  • the configuration for transmitting the driving force of the stepping motor 41 to the upper-yarn catching member 30 is not limited to the pulleys 42, 44 and the transmission belt 43, and may be a configuration using gears, for example.
  • the configuration for supplying the yarn supplying bobbin 15 to the automatic winder 10 is not limited to a tray type, and the magazine-type bobbin supplying device may be arranged for each winding unit 11.
  • the present invention is not limited to the automatic winder 10, and can be applied to the spinning machine and the like, for example.
  • a winding unit includes a driven member, a driving section adapted to move the driven member according to a specified command value, an origin sensor adapted to detect an origin position, which is a reference position, of the driven member, a command value measuring section adapted to obtain as an actual measurement command value the command value necessary for moving the driven member from a target position to the origin position, and a drive control section adapted to determine a standby position of the driven member from the actual measurement command value obtained by the command value measuring section, a theoretical command value determined in advance to have a position to which the driven member is moved by a predetermined command value from the target position as a standby position, and the origin position.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Control Of Stepping Motors (AREA)
  • Winding Filamentary Materials (AREA)

Claims (10)

  1. Textilmaschine (10), aufweisend:
    ein angetriebenes Bauteil (30),
    eine Antriebssektion (41), die eingerichtet ist, das angetriebene Bauteil (30) gemäß einem bestimmten Befehlswert zu bewegen, und
    einen Herkunftssensor (45), der eingerichtet ist, eine Herkunftsposition, die eine Referenzposition ist, des angetriebenen Bauteils (30) zu erfassen,
    dadurch gekennzeichnet, dass sie ferner aufweist:
    eine Befehlswertmesssektion (48), die eingerichtet ist, als einen tatsächlichen Messbefehlswert, den zum Bewegen des angetriebenen Bauteils (30) von einer Zielposition zur Herkunftsposition notwendigen Befehlswert zu erhalten, und
    eine Antriebssteuersektion (46), die eingerichtet ist, eine Standby-Position des angeriebenen Bauteils (30) vom tatsächlichen Messbefehlswert, der durch die Befehlswertmesssektion (48) erhalten wurde, einen theoretischen Befehlswert, der vorab bestimmt wird, um eine Position zu haben, zu der das angetriebenes Bauteil (30) durch einen bestimmten Befehlswert von der Zielposition als einer Standby-Position bewegt wird, und die Herkunftsposition zu bestimmen.
  2. Textilmaschine (10) gemäß Anspruch 1, gekennzeichnet dadurch, dass sie ferner eine Vielzahl von Wickeleinheiten mit dem angetriebene Bauteil (30) aufweist, wobei
    die Befehlswertmesssektion (48) den tatsächlichen Messbefehlswert für jede der Wickeleinheiten erhält.
  3. Textilmaschine (10) gemäß Anspruch 2, dadurch gekennzeichnet, dass die Antriebssteuersektion (46) eine Position, die durch den gleichen Befehlswert von der Zielposition beabstandet ist, als eine Standby-Position festlegt.
  4. Textilmaschine (10) gemäß einem der Ansprüche 1 bis 3, gekennzeichnet dadurch, dass sie ferner eine Vielzahl der angetriebenen Bauteile (30) umfasst, wobei
    jedes der angetriebenen Bauteile (30) eine individuelle Antriebssektion (41) aufweist.
  5. Textilmaschine (10) gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Antriebssektion (41) ein Schrittmotor (41) ist.
  6. Textilmaschine (10) gemäß Anspruch 5, dadurch gekennzeichnet, dass
    der Befehlswert die Anzahl der Pulse ist, die von der Antriebssteuersektion (46) übertragen wird, um den Schrittmotor (41) anzutreiben, und
    die Befehlswertmesssektion (48) eine Pulsanzahl-Zählsektion (48) ist, die eingerichtet ist, die Anzahl der Pulse zu zählen.
  7. Textilmaschine (10) gemäß einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Herkunftssensor (45) ein Magnetsensor (45) ist.
  8. Textilmaschine (10) gemäß einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das angetriebene Bauteil (30) ein Garnfangbauteil (30) ist, das eingerichtet ist, ein Garnende von einer Einheit mit einem benachbarten Abschnitt der Einheit als einer Zielposition zu fangen.
  9. Standby-Positionsbestimmungsverfahren eines angetriebenen Bauteils (30) einer Wickeleinheit, wobei das Verfahren dadurch gekennzeichnet ist, dass es die Schritte aufweist:
    Schwingen und Einstellen des angetriebenen Bauteils (30) um an einer Zielposition positioniert zu sein,
    Bestätigen der Zielposition an der eingestellten Position,
    Bewegen des angetriebenen Bauteils (30) von der Zielposition zu einer Herkunftsposition nach Akzeptieren der Bestätigung der Zielposition, und Zählen der Anzahl notwendigen Pulse, damit sich das angetriebene Bauteil (30) von der Zielposition zur Herkunftsposition bewegt,
    Speichern eines Unterschieds zwischen der gezählten Anzahl der Pulse und einem theoretischen Befehlswert,
    Verändern der Standby-Position des angetriebenen Bauteils (30) von der Herkunftsposition um eine Größe, die dem Unterschied entspricht.
  10. Wickeleinheit, aufweisend:
    ein angetriebenes Bauteil (30),
    eine Antriebssektion (41), die eingerichtet ist, das angetriebene Bauteil (30) gemäß einem bestimmten Befehlswert zu bewegen, und
    einen Herkunftssensor (45), der eingerichtet ist, eine Herkunftsposition, welche eine Referenzposition ist, des angetriebenen Bauteils (30) zu erfassen,
    gekennzeichnet dadurch, dass sie ferner aufweist:
    eine Befehlswertmesssektion (48), die eingerichtet ist, als einen tatsächlichen Messbefehlswert, den zum Bewegen des angetriebenen Bauteils (30) von einer Zielposition zur Herkunftsposition notwendigen Befehlswert zu erhalten, und
    eine Antriebssteuersektion (46), die eingerichtet ist, eine Standby-Position des angetriebenen Bauteils (30) vom tatsächlichen Messbefehlswert, der durch die Befehlswertmesssektion (48) erhalten wurde, einen theoretischen Befehlswert, der vorab bestimmt wird, um eine Position zu haben, zu der das angetriebene Bauteil (30) durch einen Befehlswert von der Zielposition als einer Standby-Position bewegt wird, und die Herkunftsposition zu bestimmen.
EP13170828.1A 2012-06-07 2013-06-06 Textilmaschine, Verfahren zur Bestimmung der Bereitschaftsstellung eines angetriebenen Elements einer Wickeleinheit sowie Wickeleinheit Active EP2671830B1 (de)

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JP2014108845A (ja) * 2012-11-30 2014-06-12 Murata Mach Ltd 糸巻取機
JP2016011176A (ja) * 2014-06-27 2016-01-21 村田機械株式会社 糸巻取機
DE102014011937A1 (de) * 2014-08-12 2016-02-18 Saurer Germany Gmbh & Co. Kg Vorrichtung zum Detektieren einer unerwünschten Fadenwickelbildung
DE102014012730A1 (de) * 2014-08-26 2016-03-03 Saurer Germany Gmbh & Co. Kg Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine bzw. zugehörige Arbeitsstelle
JP2018052638A (ja) * 2016-09-26 2018-04-05 村田機械株式会社 繊維機械
CN108711450B (zh) * 2018-05-18 2021-05-04 苏州吉成智能科技有限公司 智能药房内设备校准方法
CN112390079B (zh) * 2020-11-27 2023-06-30 铜陵松宝智能装备股份有限公司 一种络筒机投料方法
CN112551269B (zh) * 2020-11-27 2023-06-02 铜陵松宝智能装备股份有限公司 一种络筒机喂纱方法
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