EP2952462A1 - Procédé et dispositif destinés à la surveillance de la qualité de tubes vides - Google Patents

Procédé et dispositif destinés à la surveillance de la qualité de tubes vides Download PDF

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Publication number
EP2952462A1
EP2952462A1 EP15001344.9A EP15001344A EP2952462A1 EP 2952462 A1 EP2952462 A1 EP 2952462A1 EP 15001344 A EP15001344 A EP 15001344A EP 2952462 A1 EP2952462 A1 EP 2952462A1
Authority
EP
European Patent Office
Prior art keywords
empty tube
measured value
concentricity
empty
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15001344.9A
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German (de)
English (en)
Other versions
EP2952462B1 (fr
Inventor
Stefan Bungter
Marc Küppenbender
Alexander Marx
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Saurer Germany GmbH and Co KG
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.)
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Publication date
Application filed by Saurer Germany GmbH and Co KG filed Critical Saurer Germany GmbH and Co KG
Publication of EP2952462A1 publication Critical patent/EP2952462A1/fr
Application granted granted Critical
Publication of EP2952462B1 publication Critical patent/EP2952462B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
    • B65H67/0417—Arrangements for removing completed take-up packages or for loading an empty core for loading an empty core
    • 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 invention relates to a method for producing cheeses, the cheeses are exchanged after their completion in each case against an empty tube on which then a new cross-wound bobbin is wound, and a device for carrying out the method.
  • service units are used. These service units usually have, in addition to the cross-bobbin changing device, also further operating devices which, for example, enable a cleaning of the spin agent or a piecing of the thread after a thread break.
  • a cross-bobbin changer ensures that cross-wound bobbins that have reached their predetermined diameter are transferred to a textile machine-own cross-bobbin transport device and that subsequently an empty tube from an empty tube magazine is loaded into the bobbin frame of the relevant workstation.
  • the cheese changer has various handling elements, which are used in the course of the change process cross-coil empty tube.
  • handling elements are, for example, a frame opener, a frame lifter, a coil guide device, a tube feeder and a thread lifter.
  • Such cheese changers are usually movably arranged with running gears on machine-length raceways, which are arranged above the workstations of the cross-wound textile machines.
  • a generic cheese change for a cross-wound producing textile machine is by the DE 195 33 833 A1 known.
  • the thread still present between the supply spool and the finished cheese is first picked up by a special handling means of the cheese winder, a so-called yarn winder, and separated by a cutting and clamping device arranged on the thread winder.
  • the cross-wound bobbin is conveyed to a cross-coil conveyor belt arranged behind the work stations, and a so-called sleeve feeder positions a new empty tube in the creel.
  • the thread end connected to the supply spool is held and finally applied to the newly inserted empty tube and created the numeroreservewicklung.
  • the non-prepublished patent application with the application number 102013014195.8 discloses a method and a textile machine for repairing a thread interruption during winding of a thread on a cross-wound bobbin. If a yarn break occurs shortly after a change of the empty bobbin tube, or if the newly inserted empty tube does not start properly and falls below a defined minimum thread length, the winding unit requests an exchange of the empty tube. This replacement of the empty tubes is done by the cheese changer.
  • Object of the present invention is to provide a method and an associated device that allow monitoring of the empty tube quality, which ultimately has a positive effect on the productivity of the textile machine. This object is achieved by the characterizing features of claim 1 for a method and by the characterizing features of claim 6 for a device.
  • At least one measured value is determined prior to the restart of the winding process, which characterizes the concentricity of the empty tube and that the winding process is started when the tolerance limits of the at least one measured value are adhered to.
  • a measuring device detects a concentricity of the empty tube characterizing at least one measured value. This measured value is compared with tolerance limits.
  • the empty tube is not deformed, or only deformed to a tolerable extent, and thus the running behavior of the empty tube is quiet and acceptable. Consequently, the empty tube remains in the creel and the winding process begins.
  • deformed empty tubes can be detected immediately after insertion into the creel, but even before the start of the winding process, and optionally sorted out. This avoids that the deformed empty tubes are fed to the winding process and the empty tubes can solve due to the non-round running behavior after some time from the creel. Downtimes and labor input are thus reduced, which has a positive effect on the productivity of the textile machine.
  • the empty tube is replaced by another empty tube.
  • the empty tube is excessively deformed in order to ensure smooth running behavior during the winding process for producing a quality coil.
  • the empty tube dissolves during the winding process from the creel. Therefore, the inserted empty tube is removed again from the creel and inserted a new empty tube. In this new substitute empty tube, the concentricity is then again inventively determined before the start of the winding process.
  • the determination of the measured value for the concentricity of the empty tube takes place without contact.
  • Non-contact measuring devices have the advantage that they allow a reaction and wear-free measuring process within a short response time and thereby have a high repeatability.
  • the determination of the measured value for the concentricity of the empty tube can be carried out in particular by means of a camera system with image evaluation software.
  • This special form of non-contact detection allows the photographic comparison between the currently inserted empty tube and previously acquired images of empty tubes in order to evaluate the concentricity of the current empty tube. Either images of empty tubes are deposited, which are too deformed to allow a trouble-free winding process, or empty tubes, the no Deformations respectively acceptable deformations have, with which still a trouble-free winding process is possible.
  • the determination of the measured value for the concentricity of the empty tube by means of a mechanical button with limit switch.
  • the device has first means for determining at least one measurement value characterizing the concentricity, and is designed to compare the at least one measured value with tolerance limits and generates a signal which starts the winding process if tolerance limits of the at least one measured value are maintained.
  • the determination of the concentricity and the determination of a measurement characterizing the concentricity can be integrated into the already known cheese-empty-tube exchange. This means that, after in the context of the usual cross-reel empty tube change by the cheese change the finished spooled cheese removed from the creel and a new empty tube was inserted into the creel, at the same time, for example, during the preparation of the Schwarzreservewicklung, the concentricity of the empty tube a measuring device is determined.
  • the device according to the invention has the advantage that no costly modifications to the textile machine are necessary, but that the Device according to the invention predominantly relies on already existing machine elements of a textile machine producing cross-cheeses.
  • the obtained at least one measured value for the concentricity is compared with tolerance limits and, when the tolerance values are adhered to, a signal is generated which starts the winding process.
  • a measuring device In order to determine a measured value and to determine the concentricity of the empty tube, a measuring device is used. This measuring device can be based on different measuring principles.
  • the concentricity of the empty tube and thus the quality of the empty tube can be determined in different ways.
  • One way is to measure the amplitude of the coil frame, on which the empty tube has a direct influence. Because, the more deformed the empty tube, the greater the amplitude of the coil frame and the less circular the running behavior of the empty tube.
  • Another possibility is to judge the geometry of the empty tube. This means that images of the empty tube are created, which in turn are compared with stored images of non-deformed up to differently strongly deformed empty tubes. If the deformations of the empty tube exceed the deformations of a borderline image, the empty tube must be replaced with a new one to ensure smooth production.
  • the device has second means which generate a change signal in the case of non-compliance with tolerance limits of the at least one measured value, which triggers the exchange of the already inserted empty tube against a new empty tube.
  • the at least one measured value characterizing the concentricity is then compared with tolerance limits. Depending on this comparison remains either the empty tube in the creel and the Winding process is started, or the at least one measured value exceeds the tolerance limits, whereupon an alternating signal is generated and the cheese changer removes the already inserted empty tube from the creel and inserts a new empty tube in the creel.
  • the device is arranged in the cheese changer.
  • This embodiment offers the advantage that a single measuring device in the cheese winder is sufficient to determine the concentricity by determining a measured value.
  • first and second means for determining the concentricity are arranged elsewhere, for example at a central Leerhülsenverteil coupled, optionally also locally at each workstation or at separate locations.
  • a device in which the empty tubes can be inserted and rotated.
  • the respective creel can be used, however, the workstations must then each be extended by a measuring cell, which detects the concentricity.
  • the first means for determining the measured value for the concentricity of an empty tube include a non-contact measuring device.
  • a photocell for example, a photocell, an inductive sensor or a measurement can be used with a laser.
  • the DE 1 278 308 discloses an opto-electrical sensor.
  • the description concerns the irradiation of a spinning-disk sleeve by means of a light source, wherein the light reflected by the spinning-disk sleeve is detected with the aid of a photocell.
  • the light beam reflected from the spinning head sleeve will influence more or less the photocell depending on whether there is a remaining winding on the spinning head sleeve or not.
  • a rotating deformed empty tube also produces a deviation of the reflection as a residual winding.
  • the first means for determining the measured value for the concentricity of an empty tube comprise a camera system with image evaluation software.
  • Measuring devices of this type are known from the prior art, are often used in the textile industry and belong to the non-contact measuring devices.
  • the DE 10 2007 057 921 A1 describes, for example, the automated identification of empty tubes based on characteristic features of the empty tubes. Different colors and patterns of the empty tubes are detected by a so-called CCD camera taking pictures of the empty tubes and comparing them in an image processing device with images of stored empty tubes. Instead of a pattern, an asymmetry would be detected here.
  • the first means for determining the measured value for the concentricity of an empty tube include a mechanical probe with limit switch.
  • An electro-mechanical button is for example by the DE 41 10 626 A1 disclosed.
  • a device which includes an electromechanical sleeve guard, which detects the remaining on the spinning head sleeve residual gamma.
  • a metal comb brushes sideways over the spinning head sleeve.
  • Such a probe could also be used to monitor the amplitude of the surface movement of an empty tube rotating in the creel.
  • the invention will be explained below with reference to a winding machine 1 with a plurality of winding units 2. However, the invention can also be applied to textile machines producing other cross-wound bobbins.
  • FIG. 1 is shown in front view schematically a designated by the reference numeral 1 winder.
  • Such winding machines 1 usually have between their end frames 35, 36 a plurality of similar jobs, preferably winding units 2, on.
  • the spinning cops 9 produced on a ring spinning machine (not shown) are rewound to large-volume cheeses 11 on these winding stations 2.
  • the finished cross-wound bobbins 11 are by means of an automatically operating service unit 23, hereinafter referred to as cross-bobbin changer, on a textile machine own cross-bobbin transport device 21, as in FIG. 2 shown, transferred and then transported to a machine end side (not shown) Spulenverladestation or the like.
  • an automatically operating service unit 23 hereinafter referred to as cross-bobbin changer
  • Such winding machines 1 generally have a logistics device in the form of a bobbin and tube transport system 3.
  • a logistics device in the form of a bobbin and tube transport system 3.
  • this bobbin and tube transport system 3 run on transport plates 8, spinning cops 9 and empty Spinnkopshülsen 34.
  • Such winding machines 1 have a central control unit 37, which, for example via a machine bus 40, is connected both to the workstation computers 39 of the individual winding units 2 and to the control device 38 of the cheese winder 23 operating the winding units 2.
  • the cheese changer 23 is mounted with its chassis 24, 25 on machine-length raceways 26, 27, which are arranged above the winding units 2, movable. The cheese changer 23 not only ensures that the finished on the winding units 2 cheeses 11 are properly transferred to the cheese supply means 21, but also each automatically changes an empty tube 28 in the creel 18 of the respective winding unit 2 a.
  • the corresponding empty tube 28 removes the cheese changer 23 while a working-own empty-tube storage 22, which is arranged above the winding unit 2, respectively.
  • the spinnerets 9, which have a relatively small yarn volume, are rewound into bulky packages 11 in the unwinding positions 10, which are located in the region of the transverse transport sections (not shown).
  • FIG. 2 shows the state shortly after the full cheese 11 has been replaced with an empty tube 28.
  • the empty tube 28 is held in a coil frame 18 and rotatably supported.
  • the empty tube 28 is wound into a cross-wound bobbin 11.
  • the empty tube 28 and the cheese 11 is on a drive drum 12 and is driven by this frictional engagement.
  • the winding unit 2 also has a pivotable suction nozzle 14 which detects the upper thread connected to the cheese 11 and places it in the thread connecting device 13 during a yarn interruption.
  • the lower thread connected to the spinning cop 9 is from the pivoting, with Vacuum applied gripper tube 15 detected and inserted into the thread connecting device 13.
  • a thread interruption can be triggered, for example, by a cleaner cut, a thread break or idling of the spinning cop 9 or the feed bobbin.
  • the cleaner 17 is arranged in the yarn path. He monitors the thread 20 for errors and, if necessary, performs a cleaner cut.
  • the lower thread is then held by the thread tensioner 16 and can be picked up by the gripper tube 15.
  • the upper thread runs on the cheese 11 and can be detected by the suction nozzle 14.
  • Upper and lower thread are inserted into the thread connecting device 13 and it is performed a thread connection. In a thread book above the thread tensioner 16, the sequence for the thread connection is corresponding.
  • the suction cup 19 is first activated and the thread detected on the spinning cop 9. Then the lower thread can be taken over by the gripper tube 15. Then continue with the thread connection, as already described.
  • the cheese changer 23 To carry out a cross-spool empty-tube change, the cheese changer 23 is present.
  • the cheese changer 23 ensures that cross-wound bobbins 11, which have reached a predetermined diameter, are transferred to the cross-bobbin transport device 21 and that subsequently an empty tube 28 is loaded into the creel 18.
  • the cheese winder 23 is movable along the winding machine 1 and is guided on the rails 26 and 27.
  • the cheese changer 23 has a variety of handling means known in the art. For this reason, these are in FIG. 2 only hinted. These include the thread lifter 50, the frame opener 51, the sleeve feeder 52 and the frame lifter 53.
  • the handling devices are, as also known, driven by individual drives. This makes it possible in principle to specify any movement sequences.
  • the winding unit 2 has an empty sleeve storage 22, are stored in the empty tubes 28 for the cross-coil empty-tube exchange.
  • the empty tube storage 22 could also be attached to the cheese changer 23 or centrally. If the cross-wound bobbin 11 has reached its predetermined diameter at a winding station 2 of the textile machine, the cross-wound bobbin 11 is lifted from its drive drum 12 via a winding station's own lifting device (not shown) and is braked or decelerated to standstill.
  • the request of the cheese changer can also be preventive, that is, the request signal can already be discontinued before a cross-wound bobbin 11 has reached its final diameter.
  • the cheese changer 23 which, as explained above, handling devices for changing a finished cross-wound bobbin 11 against an empty tube 28, positioned in front of the relevant winding unit 2. Subsequently, the creel 18 is opened by the compassionöffner 51. The pivotally mounted frame arm is pressed outwards. When opening the bobbin frame 18, the cross-bobbin 11 held between the bobbin frame arms is released and reaches the pivot plate arranged thereunder. The pivoting plate is grasped and lifted by the frame lifter 53. The cheese 11 is thereby rolled on the Buchspulentranspört sensible 21.
  • the empty tube 28 is removed by means of the sleeve feeder, not shown, and transported in the region of the coil frame 18.
  • the creel 18 is thereby brought by the frame lifter 53 and the frame opener 51 in a position in which the tube gripper, not shown, can easily insert a new empty tube 28 in the creel 18.
  • the thread 20 is fixed to the empty tube 28.
  • the lower thread is transported by means of the gripper tube 15 and the suction nozzle 14 into the region of the coil frame 18 and the thread 20 is clamped between the empty tube 28 and a receptacle of the coil frame 18.
  • the thread lifter 50 is positioned so that a foot reserve is wound.
  • the operations of the winder 1, the winding unit 2 and the cheese changer 23 are controlled by the central control unit 37, the workstation computers 39 and the controller 38 of the cheese changer 23. These controllers are connected to each other via the bus lines 40 and 41.
  • first means detect the amplitude of the coil frame 18 by means of the measuring cell 31, and a measured value which characterizes the concentricity of the inserted empty tube 28 is formed. This measured value is transmitted via the machine bus 40 to the workstation computer 39. Then the measured value is compared with limit values and an exceeding of the tolerance limits is indicated. Because of this, second means generate an alternating signal, which is transmitted to the controller 38 of the cheese changer 23. The alternating signal causes the cheese changer 23 exchanges the previously inserted empty tube 28 for a new empty tube 28 from the empty tube storage 22. The empty tube 28 with the remaining thread is transported away via the cross-bobbin transport device 21 and can be sorted out later. The course of the empty tube exchange is in principle identical to the replacement of the full cheese 11 against the empty tube 28, as described above. The fixing of the thread 20 to the empty tube 28 is carried out as described above.
EP15001344.9A 2014-06-07 2015-05-06 Procédé et dispositif destinés à la surveillance de la qualité de tubes vides Active EP2952462B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014008524.4A DE102014008524A1 (de) 2014-06-07 2014-06-07 Verfahren und Vorrichtung zur Überwachung der Leerhülsenqualität

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102014008524 Previously-Filed-Application 2014-06-07

Publications (2)

Publication Number Publication Date
EP2952462A1 true EP2952462A1 (fr) 2015-12-09
EP2952462B1 EP2952462B1 (fr) 2020-09-02

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EP (1) EP2952462B1 (fr)
JP (1) JP6635685B2 (fr)
CN (1) CN105151893B (fr)
DE (1) DE102014008524A1 (fr)

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EP3730436A1 (fr) * 2019-04-26 2020-10-28 Murata Machinery, Ltd. Machine d'enroulement de fil et procédé d'enfilage de fil
WO2021087224A1 (fr) * 2019-11-01 2021-05-06 Shaw Industries Group, Inc. Appareil de changement de cannettes et véhicule à guidage automatique le comprenant

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Publication number Priority date Publication date Assignee Title
IT201700010827A1 (it) * 2017-02-01 2018-08-01 Savio Macch Tessili Spa Apparato di filatura di tipo open-end con dispositivo migliorato di carica di un nuovo tubetto nel ciclo di levata e metodo di carica di un nuovo tubetto nel ciclo di levata di detto apparato di filatura di tipo open-end
DE102018118942A1 (de) * 2018-08-03 2020-02-06 Maschinenfabrik Rieter Ag Verfahren zur Herstellung von Kreuzspulen an einer Vielzahl in Längsrichtung einer Textilmaschine nebeneinander angeordneter Arbeitsstellen sowie Textilmaschine zur Herstellung von Kreuzspulen
CN114852787A (zh) * 2022-04-27 2022-08-05 北京中丽制机电气有限公司 一种卷绕机生产线的落筒控制系统及方法

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Publication number Priority date Publication date Assignee Title
US3021949A (en) * 1960-11-08 1962-02-20 West Point Mfg Co Quill inspection system
DE1278308B (de) 1961-10-14 1968-09-19 Reiners Walter Dr Ing Spulmaschine
US3570668A (en) * 1967-11-21 1971-03-16 Zinser Textilmaschinen Gmbh Apparatus for testing and classifying bobbins
JPS60244764A (ja) * 1984-05-18 1985-12-04 Teijin Seiki Co Ltd ボビン装着検知方法および装置
EP0282105A1 (fr) 1987-02-27 1988-09-14 SAVIO S.p.A. Dispositif et procédé pour connecter automatiquement le fil au mandrin d'une machine de bobinage
DE4110626A1 (de) 1991-04-02 1992-10-08 Schlafhorst & Co W Vorrichtung zum unterscheiden des bewicklungszustandes von kopsen
JPH06127827A (ja) * 1992-10-15 1994-05-10 Murata Mach Ltd 自動ワインダの運転管理装置
DE19533833A1 (de) 1995-09-13 1997-03-20 Schlafhorst & Co W Kreuzspulenwechseleinrichtung einer Kreuzspulen herstellenden Textilmaschine
DE19836702A1 (de) 1998-08-13 2000-02-17 Schlafhorst & Co W Kreuzspulen herstellende Textilmaschine
JP2007204207A (ja) * 2006-02-01 2007-08-16 Murata Mach Ltd 繊維機械
DE102007057921A1 (de) 2007-12-01 2009-06-04 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zum automatisierten Identifizieren von Spulenhülsen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3730436A1 (fr) * 2019-04-26 2020-10-28 Murata Machinery, Ltd. Machine d'enroulement de fil et procédé d'enfilage de fil
CN111847101A (zh) * 2019-04-26 2020-10-30 村田机械株式会社 纱线卷取机及挂纱方法
CN111847101B (zh) * 2019-04-26 2023-11-21 村田机械株式会社 纱线卷取机及挂纱方法
WO2021087224A1 (fr) * 2019-11-01 2021-05-06 Shaw Industries Group, Inc. Appareil de changement de cannettes et véhicule à guidage automatique le comprenant
US11498799B2 (en) 2019-11-01 2022-11-15 Columbia Insurance Company Doffing apparatus and automatically guided vehicle comprising the same

Also Published As

Publication number Publication date
JP6635685B2 (ja) 2020-01-29
CN105151893A (zh) 2015-12-16
EP2952462B1 (fr) 2020-09-02
DE102014008524A1 (de) 2015-12-17
CN105151893B (zh) 2018-02-13
JP2015229597A (ja) 2015-12-21

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