EP3263501B1 - Textilmaschine - Google Patents

Textilmaschine Download PDF

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Publication number
EP3263501B1
EP3263501B1 EP17174517.7A EP17174517A EP3263501B1 EP 3263501 B1 EP3263501 B1 EP 3263501B1 EP 17174517 A EP17174517 A EP 17174517A EP 3263501 B1 EP3263501 B1 EP 3263501B1
Authority
EP
European Patent Office
Prior art keywords
yarn
section
defect
catching
winding
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
EP17174517.7A
Other languages
English (en)
French (fr)
Other versions
EP3263501A1 (de
Inventor
Kenichi Murayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Machinery Ltd
Original Assignee
Murata Machinery Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Machinery Ltd filed Critical Murata Machinery Ltd
Publication of EP3263501A1 publication Critical patent/EP3263501A1/de
Application granted granted Critical
Publication of EP3263501B1 publication Critical patent/EP3263501B1/de
Active legal-status Critical Current
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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
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • 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.
  • a machine disclosed in WO 2015/029275 is known as a conventional textile machine.
  • the textile machine disclosed in WO 2015/029275 includes a winding yarn catching / guiding device, a detecting section, and a yarn joining device.
  • the winding yarn catching / guiding device includes a movable catching member that, when a yarn becomes discontinuous, moves from a standby position to a catching position nearer to a winding section, and catches a winding yarn, which is a yarn from the winding section, by suction.
  • the detecting section detects the winding yarn caught by the winding yarn catching / guiding device.
  • the yarn joining device performs a yarn joining operation on the winding yarn and a yarn from a yarn supplying section from which the yarn is pulled.
  • the success or failure in catching the winding yarn in the winding yarn catching / guiding device is determined based on a detection by the detecting section of the presence / absence of the winding yarn inside the movable catching member.
  • the yarn joining operation of the yarns may not be performed normally in the yarn joining device due to some other issues.
  • One object of the present invention is to provide a textile machine that can appropriately detect the occurrence of a defect in the yarn joining operation.
  • a textile machine includes a yarn supplying section from which a yarn is pulled; a winding section that winds the yarn pulled from the yarn supplying section and forms a package; a yarn joining device that performs yarn joining of the yarn from the yarn supplying section and the yarn from the winding section; a yarn catching / guiding device that sucks the yarn from the winding section in a tube member thereby catching the yarn and guides the caught yarn to the yarn joining device; a first detecting section that detects the yarn present in the tube member of the yarn catching / guiding device; a second detecting section arranged on a yarn path between the yarn supplying section and the winding section and that detects the yarn traveling on the yarn path; a success / failure determining section that determines success or failure in catching the yarn from the winding section by the yarn catching / guiding device based on at least one of a detection result obtained in the first detecting section and a detection result obtained in the second detecting section; and a defect determining
  • an automatic winder (textile machine) 1 includes a plurality of winding units 10 arranged in a row, a machine-frame controlling device 12, and a doffing device 13 as main structural sections.
  • the machine-frame controlling device 12 can communicate with each of the winding units 10. An operator of the automatic winder 1 can manage a plurality of the winding units 10 collectively by appropriately operating the machine-frame controlling device 12.
  • the machine-frame controlling device 12 includes a display screen (displaying section) 12a and input keys 12b.
  • the display screen 12a displays information and the like about setting contents and / or a state of the winding unit 10. The operator can perform working settings of the winding unit 10 by performing an appropriate operation by using the input keys 12b.
  • Each of the winding units 10 includes a unit controlling section 100 arranged on one side (right side in FIG. 1 ) of the yarn supplying bobbin 16, the package 22, and the like.
  • the unit controlling section 100 includes, for example, a CPU (Central Processing Unit) and a ROM (Read Only Memory).
  • a computer program to control the various structural sections of the winding unit 10 is stored in the ROM.
  • the CPU executes the computer program stored in the ROM.
  • the doffing device 13 travels to a position of this winding unit 10, removes the fully-wound package therefrom and sets an empty winding bobbin 19 therein.
  • the winding unit 10 includes a yarn supplying section 15 and a winding section 17.
  • the yarn supplying section 15 is a support mechanism that supports at a predetermined position the yarn supplying bobbin 16 placed on a not-shown conveying tray. Accordingly, the yarn 14 is unwound from the yarn supplying bobbin 16 and the yarn 14 is pulled from the yarn supplying bobbin 16.
  • the yarn supplying section 15 is not limited to a conveying tray type but, for example, can be a magazine type.
  • the winding section 17 includes a cradle 18, the winding bobbin 19, and a winding drum 20 as main structural sections.
  • the cradle 18 includes a not-shown pair of rotation support members.
  • the cradle 18 rotatably supports the winding bobbin 19 (or package 22) by holding the winding bobbin 19 between the rotary support members.
  • the cradle 18 is pivotable between a contacting state in which the package 22 held thereby is in contact with the winding drum 20 and a separated state in which the package 22 is separated from the winding drum 20.
  • the winding drum 20 traverses the yarn 14 on the surface of the package 22 as well as rotates the package 22.
  • the winding drum 20 is rotationally driven by a drum driving motor 21.
  • a spiral traversing groove (traversing mechanism) is formed in the outer peripheral surface of the winding drum 20. Because of the traversing groove, the yarn 14 unwound from the yarn supplying bobbin 16 is wound on the surface of the package 22 while being traversed for a certain width. As a result, the package 22 having a predetermined winding width can be formed.
  • an unwinding assisting device 25 On a yarn traveling path between the yarn supplying section 15 and the winding section 17, an unwinding assisting device 25, a tension applying device 27, a yarn joining device 38, and a yarn monitoring device (second detecting section and yarn defect detecting device) 40 are sequentially arranged in this order from the yarn supplying section 15 side.
  • a first catching / guiding device (yarn catching / guiding device) 30 and a second catching / guiding device 34 are arranged near the yarn joining device 38.
  • upstream and downstream with respect to the traveling direction of the yarn 14 may be simply called "upstream" and "downstream" respectively.
  • the unwinding assisting device 25 includes a regulating member 26 that can be put around a core tube of the yarn supplying bobbin 16.
  • the regulating member 26 has a substantially cylindrical shape, and it is arranged so as to touch a balloon formed in a yarn layer upper part of the yarn supplying bobbin 16.
  • the balloon is the part of the yarn 14, which is unwound from the yarn supplying bobbin 16, that swings around because of the centrifugal force.
  • the regulating member 26 touches the balloon part of the yarn 14 and prevents the yarn 14 from swinging around excessively. Accordingly, the yarn 14 can be appropriately unwound from the yarn supplying bobbin 16.
  • the tension applying device 27 applies a predetermined tension to the traveling yarn 14.
  • the tension applying device 27 is a gate-type member having fixed comb teeth and movable comb teeth.
  • the movable comb teeth are biased so as to engage with the fixed comb teeth.
  • the yarn joining device 38 When the yarn 14 becomes discontinuous between the yarn supplying section 15 and the winding section 17 for some reason, the yarn joining device 38 performs yarn joining of the yarn 14 (lower yarn) from the yarn supplying section 15 and the yarn 14 (upper yarn) from the winding section 17.
  • the yarn joining device 38 is a splicer device that twists yarn ends together by using a swirling air current generated by compressed air.
  • the first catching / guiding device 30 catches the upper yarn when the yarn 14 becomes discontinuous.
  • the first catching / guiding device 30 includes a shaft 31, a pipe member (tube member) 32, and an upper yarn sucking / catching member 33.
  • the pipe member 32 and the upper yarn sucking / catching member 33 are pivotable (movable) from a standby position (solid line in FIG. 2 ) on the yarn supplying section 15 side to a catching position (dotted line in FIG. 2 ) on the winding section 17 side about the shaft 31 as a center under the control of the unit controlling section 100.
  • the first catching / guiding device 30 is connected to a not-shown negative pressure source, and a suction current can be generated in the upper yarn sucking / catching member 33 (specifically, in a suction port formed at a tip part thereof). With this arrangement, the upper yarn sucking / catching member 33 can catch the upper yarn at the catching position and guide the upper yarn to the yarn joining device 38 by returning to the standby position.
  • the first catching / guiding device 30 includes an upper yarn sensor (first detecting section) 60 for detecting the yarn 14 present inside the pipe member 32.
  • the upper yarn sensor 60 includes a casing 61, a light emitting section 62, and a light receiving section 63.
  • the casing 61 is secured to the winding section 17 with a securing member 64.
  • the casing 61 supports the light emitting section 62 and the light receiving section 63.
  • the light emitting section 62 is constituted by a light emitting element such as a light emitting diode.
  • the light emitting section 62 emits light on a later-explained light transmitting cover (light transmitting member) 50 arranged on the pipe member 32.
  • the yarn 14 is present inside the pipe member 32, the light emitted by the light emitting section 62 is reflected from the yarn 14.
  • the light receiving section 63 is constituted by a light receiving element such as a photodiode.
  • the light receiving section 63 receives the light (reflected light) reflected from the yarn 14, and outputs an electric signal, in the form of an electric current or an electric voltage, corresponding to the amount of the received light.
  • a not-shown arithmetic section is arranged inside the casing 61.
  • the arithmetic section determines the success or failure to catch the yarn 14 from the winding section 17 by the first catching / guiding device 30 based on a detection result obtained in the light receiving section 63.
  • the arithmetic section analyzes the electric signal output by the light receiving section 63 and determines the presence / absence of the yarn 14 inside the pipe member 32.
  • the arithmetic section outputs to the unit controlling section 100 a detection signal indicating a determination result (detection result) about the presence / absence of the yarn 14 inside the pipe member 32.
  • the pipe member 32 is provided with the light transmitting cover 50.
  • the light transmitting cover 50 is formed of a member (such as acryl or polycarbonate) having translucency.
  • the light transmitting cover 50 is a member for closing an opening 52 in the pipe member 32.
  • the opening 52 is a through hole formed in a wall of the pipe member 32.
  • the opening 52 is located on a tip end part side of the pipe member 32 (on upper yarn sucking / catching member 33 side). That is, the upper yarn sensor 60 detects the yarn 14 located on the tip end part side of the pipe member 32.
  • the light transmitting cover 50 is attached to the pipe member 32 so as to be pivotable. By pivoting the light transmitting cover 50, the opening 52 can be opened or closed.
  • the light emitting section 62 and the light receiving section 63 of the upper yarn sensor 60 are arranged at a location that is shifted on one side of a center (virtual line L1 in FIG. 5 ) of the pipe member 32 in a width direction of the package.
  • the light emitting section 62 and the light receiving section 63 are arranged such that an optical axis line L2 representing an optical axis of the light emitted from the light emitting section 62 does not intersect with a center C of the pipe member 32.
  • the second catching / guiding device 34 includes, like the first catching / guiding device 30, a shaft 35, a pipe member 36, and a lower yarn sucking / catching member 37.
  • the lower yarn sucking / catching member 37 like the upper yarn sucking / catching member 33, is pivotable about the shaft 35 as a center.
  • a suction current can be generated in the lower yarn sucking / catching member 37.
  • the second catching / guiding device 34 can catch the lower yarn and guide the lower yarn to the yarn joining device 38.
  • the yarn monitoring device 40 monitors a state of the yarn 14 traveling on a yarn path and detects the presence / absence of a yarn defect based on the information obtained in the monitoring.
  • the yarn monitoring device 40 detects, for example, a thickness abnormality of the yarn 14 and / or a foreign substance contained in the yarn 14 as the yarn defect.
  • the yarn monitoring device 40 detects a yarn breakage, i.e., the presence / absence of the yarn 14 in the yarn path, and the like.
  • the yarn monitoring device 40 has a slit for passing the yarn 14 traveling on the yarn path of the yarn 14, and monitors the yarn 14 passing through this slit with a not-shown optical sensor.
  • the yarn monitoring device 40 Upon detecting a yarn defect, the yarn monitoring device 40 outputs a yarn defect signal to the unit controlling section 100.
  • a cutter 41 for cutting the yarn 14 is arranged near the yarn monitoring device 40. The cutter 41 is operated by the yarn monitoring device 40.
  • the winding unit 10 can form the package 22 by winding the yarn 14 on the winding bobbin 19.
  • the yarn 14 from the winding section 17 is caught by the first catching / guiding device 30 and the yarn 14 from the yarn supplying section 15 is caught by the second catching / guiding device 34.
  • the yarns 14 caught by the first catching / guiding device 30 and the second catching / guiding device 34 are guided to the yarn joining device 38.
  • the yarns 14 are located in the slit of the yarn monitoring device 40.
  • the yarn joining device 38 performs the yarn joining of the yarns 14 guided thereto.
  • the unit controlling section 100 functions as a success / failure determining section 101 that determines the success or failure to catch the yarn 14 from the winding section 17 by the first catching / guiding device 30 and as a defect determining section 102 that determines a defect in the automatic winder 1.
  • the unit controlling section (success / failure determining section and defect determining section) 100 determines the success or failure to catch the yarn 14 from the winding section 17 by the first catching / guiding device 30 and whether there is a defect in the yarn joining operation based on the detection signal output from the arithmetic section of the upper yarn sensor 60 and the yarn defect signal output from the yarn monitoring device 40.
  • the unit controlling section 100 determines the success or failure to catch the yarn 14 from the winding section 17 by the first catching / guiding device 30 and whether there is a defect in the yarn joining operation.
  • the unit controlling section 100 determines that the yarn 14 has been successfully caught (yarn end finding) by the first catching / guiding device 30. Upon determining that the yarn 14 has been successfully caught by the first catching / guiding device 30, the unit controlling section 100 starts the yarn joining of the yarns 14 in the yarn joining device 38.
  • the unit controlling section 100 determines that there is a failure in the catching of the yarn 14 in the first catching / guiding device 30. Upon determining that there is a failure in the catching of the yarn 14 in the first catching / guiding device 30, the unit controlling section 100 causes the first catching / guiding device 30 to perform the catching of the yarn 14 again.
  • the unit controlling section 100 determines that a first defect has occurred.
  • the first defect includes yarn jamming in the slit of the yarn monitoring device 40 (defect in the yarn monitoring device 40), double yarn end finding, hooking of the yarn 14 in the first catching / guiding device 30 (defect in the yarn 14 caught by the first catching / guiding device 30), and the like.
  • the yarn jamming in the slit of the yarn monitoring device 40 means a defect in which yarn waste and the like of the cut yarn 14 clogs the slit, the yarn 14 in which sloughing has been produced clogs the slit, and the like.
  • a light is emitted from the light emitting section 62 on the yarn 14 passing through the slit, and the presence / absence of the yarn 14 is detected based on a change in the amount of light received in the light receiving section 63. No change occurs in the amount of light when the yarn 14 is jammed in the slit and the yarn 14 cannot be detected by the yarn monitoring device 40.
  • the double yarn end finding is a phenomenon in which a part in the middle of the yarn 14 is caught.
  • the first catching / guiding device 30 usually catches an end of the yarn 14 wound on the package 22. When a part in the middle of the yarn 14 is caught, two yarns 14 may be pulled from the package 22. When this happens, a defect that the yarns 14 do not enter the slit of the yarn monitoring device 40 can occur.
  • the hooking of the yarn 14 in the first catching / guiding device 30 is a defect in which the yarn 14 is hooked by the upper yarn sucking / catching member 33 so that the yarn 14 is continuously detected by the upper yarn sensor 60.
  • an unwanted piece of the yarn is cut off.
  • This cut piece of the yarn is sucked by the first catching / guiding device 30 and collected.
  • the cut piece of the yarn may be hooked by the suction port and the like of the upper yarn sucking / catching member 33.
  • the unit controlling section 100 causes the display screen 12a of the machine-frame controlling device 12 to display information that indicates that the first defect has occurred.
  • the unit controlling section 100 determines that a second defect has occurred.
  • the second defect includes malfunctioning of the upper yarn sensor 60 (defect in the upper yarn sensor 60) or occurrence of a stain on the light transmitting cover 50 provided on the pipe member 32.
  • the unit controlling section 100 causes the display screen 12a of the machine-frame controlling device 12 to display information that indicates that the second defect has occurred.
  • the unit controlling section 100 determines whether a defect has occurred in the yarn joining operation based on the detection results obtained in the yarn monitoring device 40 and the upper yarn sensor 60. As a result, not only the success or failure in the catching of the yarn 14 by the first catching / guiding device 30 but also whether a defect has occurred in the yarn joining operation can be determined in the automatic winder 1. Accordingly, in the automatic winder 1, the occurrence of a defect in the yarn joining operation can be appropriately detected. As a result, the operator of the automatic winder 1 can know that the defect has occurred in the yarn joining operation.
  • the pipe member 32 of the first catching / guiding device 30 is provided with the light transmitting cover 50 having translucency.
  • the upper yarn sensor 60 includes the light emitting section 62 and the light receiving section 63. In the upper yarn sensor 60, while the first catching / guiding device 30 is located at the catching position, as the light that is emitted by the light emitting section 62 and that has passed through the light transmitting cover 50 and reflected from the yarn 14 is received by the light receiving section 63, the yarn 14 present inside the pipe member 32 is detected.
  • the unit controlling section 100 determines whether a defect has occurred in the yarn joining operation. That is, the unit controlling section 100 determines whether a defect in the upper yarn sensor 60, a defect in the yarn monitoring device 40, and a defect in the yarn 14 caught by the first catching / guiding device 30 have occurred. Whether a defect has occurred in the yarn joining operation can be detected by determining whether any of the above-mentioned defects has occurred.
  • the machine-frame controlling device 12 includes the display screen 12a.
  • the unit controlling section 100 Upon determining that the first defect or the second defect has occurred, the unit controlling section 100 causes the display screen 12a to display information that indicates that the first defect or the second defect has occurred. Accordingly, the operator can be appropriately alarmed when a defect has occurred in the automatic winder 1.
  • the light emitting section 62 and the light receiving section 63 of the upper yarn sensor 60 are arranged such that the optical axis line L2 representing the optical axis of the light emitted from the light emitting section 62 does not intersect with the center C of the pipe member 32.
  • an angle between the light and the light transmitting cover 50 can be reduced.
  • the accuracy of detection of the yarn 14 present inside the pipe member 32 can be increased.
  • the unit controlling section 100 determines that the yarn 14 has been successfully caught by the first catching / guiding device 30.
  • a configuration is allowable in which the unit controlling section 100 determines that the yarn 14 has been successfully caught by the first catching / guiding device 30 even when at least one of the detection signal and the yarn defect signal indicates that the yarn 14 has been detected.
  • the unit controlling section 100 determines that the first defect or the second defect has occurred, the unit controlling section 100 causes the display screen 12a of the machine-frame controlling device 12 to display information that indicates that the first defect or the second defect has occurred.
  • the method to report the occurrence of the first defect or the second defect is not limited to this method. The occurrence of the first defect or the second defect can be reported by using a lamp, a buzzer, and the like.
  • the upper yarn sensor 60 detects the yarn 14 on the tip end part side of the pipe member 32.
  • a configuration is allowable in which the upper yarn sensor 60 detects the yarn 14 on a base end part side of the pipe member 32.
  • the position where the upper yarn sensor 60 shall detect the yarn 14 present inside the pipe member 32 is not limited.
  • the upper yarn sensor 60 includes the light emitting section 62 and the light receiving section 63, and the light emitting section 62 and the light receiving section 63 are attached to the winding section 17.
  • the light emitting section 62 and the light receiving section 63 can be attached to the pipe member 32.
  • the determination of the presence / absence of the yarn 14 in the yarn monitoring device 40 can be performed in the unit controlling section 100.
  • the yarn monitoring device 40 outputs the signal indicating the result of detection obtained by the sensor to the unit controlling section 100.
  • the unit controlling section 100 determines the presence / absence of the yarn 14 based on this signal.
  • the sensor of the yarn monitoring device 40 can be, for example, an electrostatic capacitive sensor.
  • the yarn monitoring device 40 detects a yarn defect based on a change in the electrostatic capacitance.
  • the tension applying device 27 is a gate-type member.
  • the tension applying device 27 can be, for example, a disk-type member.
  • the yarn joining device 38 is a splicer device.
  • the yarn joining device 38 can be, for example, a mechanical knotter and the like.
  • the detecting section that detects the yarn 14 traveling on the yarn path is the yarn monitoring device 40 (clearer).
  • the detecting section that detects the yarn 14 traveling on the yarn path is not limited to the yarn monitoring device 40.
  • the detecting section can be arranged separately from the yarn monitoring device 40.
  • the traversing groove is formed in the winding drum 20 and the traversing of the yarn 14 is performed by using the traversing groove.
  • the traversing of the yarn 14 can be performed by using an arm type, a belt type, or a rotary type traversing mechanism.
  • a roller having no traversing groove formed therein can be used as an auxiliary roller.
  • the textile machine is the automatic winder 1.
  • the textile machine can be an air spinning machine, an open-ended spinning machine, and the like.
  • the yarn supplying section from which the yarn is pulled is a spinning device that applies a twist to a fiber bundle to generate the yarn.
  • a textile machine includes a yarn supplying section from which a yarn is pulled; a winding section that winds the yarn pulled from the yarn supplying section and forms a package; a yarn joining device that performs yarn joining of the yarn from the yarn supplying section and the yarn from the winding section; a yarn catching / guiding device that sucks the yarn from the winding section in a tube member thereby catching the yarn and guides the caught yarn to the yarn joining device; a first detecting section that detects the yarn present in the tube member of the yarn catching / guiding device; a second detecting section arranged on a yarn path between the yarn supplying section and the winding section and that detects the yarn traveling on the yarn path; a success / failure determining section that determines success or failure in catching the yarn from the winding section by the yarn catching / guiding device based on at least one of a detection result obtained in the first detecting section and a detection result obtained in the second detecting section; and a defect determining
  • the defect determining section determines whether a defect has occurred in the yarn joining operation based on the detection results obtained in the first detecting section and the second detecting section. As a result, not only the success or failure in the catching of the yarn by the yarn catching / guiding device but also whether a defect has occurred in the yarn joining operation can be determined in the textile machine. Accordingly, in the textile machine, the occurrence of a defect in the yarn joining operation can be appropriately detected. As a result, the operator of the textile machine can know that the defect has occurred in the yarn joining operation.
  • the yarn supplying section can be a support mechanism that supports a yarn supplying bobbin on which the yarn has been wound.
  • the textile machine is an automatic winder. Accordingly, whether there is a defect in the yarn joining operation can be determined in the automatic winder.
  • the yarn supplying section can be a spinning device that applies a twist to a fiber bundle to generate the yarn.
  • the textile machine is a spinning machine. Accordingly, whether there is a defect in the yarn joining operation can be determined in the spinning machine.
  • the second detecting section can be a yarn monitoring device that monitors a state of the yarn traveling on the yarn path.
  • the textile machine usually includes the yarn monitoring device. Accordingly, because the yarn monitoring device can function as the second detecting section, a yarn traveling on the yarn path can be detected even in the usual configuration. Therefore, whether there is a defect in the yarn joining operation can be determined without using any dedicated device.
  • the yarn monitoring device can be a yarn defect detecting device that detects a defect in the yarn based on a change in a thickness of the yarn.
  • a state of the yarn can be appropriately monitored by detecting a defect based on a change in a thickness of the yarn.
  • the tube member of the yarn catching / guiding device can be provided with a light transmitting member having translucency.
  • the first detecting section can include a light emitting section and a light receiving section, and while the yarn catching / guiding device is located at a catching position, can detect the yarn present inside the tube member by emitting a light from the light emitting section on the yarn via the light transmitting member and receiving a light reflected from the yarn in the light receiving section.
  • the light emitting section and the light receiving section are not provided in or to the tube member of the yarn catching / guiding device, no movement occurs in the wiring of the light emitting section and the light receiving section. Therefore, because the degradation of the electric wiring is suppressed, the occurrence of the defect in the first detecting section due to the degradation of the electric wiring can be suppressed.
  • the defect determining section can determine whether at least one defect has occurred as the defect in the yarn joining operation among a defect in the first detecting section, a defect in the second detecting section, and a defect in the yarn caught by the yarn catching / guiding device. Whether a defect has occurred in the yarn joining operation can be detected by determining whether any of the above-mentioned defects has occurred.
  • the textile machine can include a displaying section for displaying information that indicates that the defect has occurred when the defect determining section determines that the defect has occurred.
  • the occurrence of a defect in the yarn joining operation can be appropriately detected.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Claims (8)

  1. Eine Textilmaschine (1), die folgende Merkmale aufweist:
    einen Garnzuführabschnitt (15), von dem ein Garn (14) zu ziehen ist;
    einen Wickelabschnitt (17), der konfiguriert ist, um das Garn (14), das von dem Garnzuführabschnitt (15) gezogen wird, zu wickeln und einen Wickelkörper (22) zu bilden;
    eine Garnverbindungsvorrichtung (38), die konfiguriert ist, um ein Garnverbinden des Garns (14) von dem Garnzuführabschnitt (15) und dem Garn (14) von dem Wickelabschnitt (17) durchzuführen;
    eine Garnfang/Führungsvorrichtung (30), die konfiguriert ist, um das Garn (14) von dem Wickelabschnitt (17) in ein Röhrenbauglied (32) zu saugen, wodurch das Garn (14) gefangen wird, und das gefangene Garn (14) zu der Garnverbindungsvorrichtung (38) zu führen;
    einen ersten Erfassungsabschnitt (60), der konfiguriert ist, um das Garn (14), das in dem Röhrenbauglied (32) der Garnfang/Führungsvorrichtung (30) vorliegt, zu erfassen;
    einen zweiten Erfassungsabschnitt (40), der an einem Garnweg zwischen dem Garnzuführabschnitt (15) und dem Wickelabschnitt (17) angeordnet ist und konfiguriert ist, um das Garn (14) zu erfassen, das auf dem Garnweg verläuft; gekennzeichnet durch
    einen Erfolg/Versagen-Bestimmungsabschnitt (101), der konfiguriert ist, um Erfolg oder Versagen beim Fangen des Garns (14) von dem Wickelabschnitt (17) durch die Garnfang/Führungsvorrichtung (30) zu bestimmen, basierend auf zumindest entweder einem Erfassungsergebnis, das in dem ersten Erfassungsabschnitt (60) erhalten wird oder einem Erfassungsergebnis, das in dem zweiten Erfassungsabschnitt (40) erhalten wird; und
    einen Defektbestimmungsabschnitt (102), der konfiguriert ist, um zu bestimmen, ob bei der Garnverbindungsoperation ein Defekt aufgetreten ist, basierend auf den Erfassungsergebnissen, die in dem ersten Erfassungsabschnitt (60) und dem zweiten Erfassungsabschnitt (40) erhalten werden.
  2. Die Textilmaschine 1 gemäß Anspruch 1, bei der der Garnzuführabschnitt (15) ein Tragemechanismus ist, der konfiguriert ist, um eine Garnzuführspule (16) zu tragen, auf die das Garn (14) gewickelt wurde.
  3. Die Textilmaschine 1 gemäß Anspruch 1, bei der der Garnzuführabschnitt (15) eine Spinnvorrichtung ist, die konfiguriert ist, um eine Drehung an ein Faserbündel anzulegen, um das Garn (14) zu erzeugen.
  4. Die Textilmaschine 1 gemäß einem der Ansprüche 1 bis 3, bei der der zweite Erfassungsabschnitt (40) eine Garnüberwachungsvorrichtung (40) ist, die konfiguriert ist, um einen Zustand des Garns (14), das auf dem Garnweg verläuft, zu überwachen.
  5. Die Textilmaschine 1 gemäß Anspruch 4, bei der die Garnüberwachungsvorrichtung (40) eine Garndefekterfassungsvorrichtung (40) ist, die konfiguriert ist, um einen Defekt in dem Garn (14) basierend auf einer Änderung bei einer Dicke des Garns (14) zu erfassen.
  6. Die Textilmaschine 1 gemäß einem der Ansprüche 1 bis 5, bei der
    das Röhrenbauglied (32) der Garnfang/Führungsvorrichtung (30) mit einem lichtdurchlässigen Bauglied (50) versehen ist, das Lichtdurchlässigkeit aufweist und
    der erste Erfassungsabschnitt (60) einen lichtemittierenden Abschnitt (62) und einen lichtempfangenden Abschnitt (63) umfasst und konfiguriert ist, um, während die Garnfang/Führungsvorrichtung (30) an einer Fangposition angeordnet ist, das Garn (14), das in dem Röhrenbauglied (32) vorliegt, zu erfassen durch Emittieren von Licht von dem lichtemittierenden Abschnitt (62) auf das Garn (14) über das lichtdurchlässige Bauglied (50) und Empfangen von Licht, das von dem Garn (14) in dem lichtempfangenden Abschnitt (63) reflektiert wird.
  7. Die Textilmaschine 1 gemäß einem der Ansprüche 1 bis 6, bei der der Defektbestimmungsabschnitt (102) konfiguriert ist, um zu bestimmen, ob zumindest ein Defekt von den Folgenden als der Defekt in der Garnverbindungsoperation aufgetreten ist:
    ein Defekt in dem ersten Erfassungsabschnitt (60),
    ein Defekt in dem zweiten Erfassungsabschnitt (40) und
    ein Defekt in dem Garn (14), das durch die Garnfang/Führungsvorrichtung (30) gefangen wird.
  8. Die Textilmaschine 1 gemäß einem der Ansprüche 1 bis 7, die ferner einen Anzeigeabschnitt (12a) aufweist, der konfiguriert ist, um Informationen anzuzeigen, die anzeigen, dass der Defekt aufgetreten ist, wenn der Defektbestimmungsabschnitt (102) bestimmt, dass der Defekt aufgetreten ist.
EP17174517.7A 2016-06-27 2017-06-06 Textilmaschine Active EP3263501B1 (de)

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DE102018125327A1 (de) * 2018-10-12 2020-04-16 Saurer Spinning Solutions Gmbh & Co. Kg Fadenrohr für eine Auflaufspulen herstellende Textilmaschine
JP2021107275A (ja) * 2019-12-27 2021-07-29 村田機械株式会社 糸巻取機

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DE19640184B4 (de) * 1996-09-30 2005-10-13 Saurer Gmbh & Co. Kg Verfahren zum Ausreinigen von Garnfehlern an einer Spulstelle einer Spulmaschine
JP2011157196A (ja) * 2010-02-02 2011-08-18 Murata Machinery Ltd 糸巻取機
JP5824982B2 (ja) * 2011-09-05 2015-12-02 住友電気工業株式会社 光ファイバの巻取装置および巻取方法
JP2013052997A (ja) * 2011-09-06 2013-03-21 Murata Machinery Ltd 糸巻取機
JP2013063839A (ja) * 2011-09-20 2013-04-11 Murata Machinery Ltd 糸巻取機及び糸巻取ユニット
JP2014019541A (ja) * 2012-07-18 2014-02-03 Murata Mach Ltd 糸監視装置及び糸巻取機
JP2014024654A (ja) * 2012-07-27 2014-02-06 Murata Mach Ltd 糸巻取機
JP5998709B2 (ja) * 2012-07-27 2016-09-28 村田機械株式会社 糸監視装置及び糸巻取ユニット
JP2014125714A (ja) * 2012-12-27 2014-07-07 Murata Mach Ltd 紡績機
CN105473480B (zh) 2013-08-29 2018-01-02 村田机械株式会社 纱线拉出装置、纱线卷取装置以及接头方法

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