EP0924324B1 - Vorrichtung zur Ueberwachung von Garnen an Ringspinnmaschinen - Google Patents
Vorrichtung zur Ueberwachung von Garnen an Ringspinnmaschinen Download PDFInfo
- Publication number
- EP0924324B1 EP0924324B1 EP98122732A EP98122732A EP0924324B1 EP 0924324 B1 EP0924324 B1 EP 0924324B1 EP 98122732 A EP98122732 A EP 98122732A EP 98122732 A EP98122732 A EP 98122732A EP 0924324 B1 EP0924324 B1 EP 0924324B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- yarn
- light
- sensor
- travelling sensor
- travelling
- 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.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
- D01H13/1616—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material characterised by the detector
- D01H13/1633—Electronic actuators
- D01H13/165—Photo-electric sensing means
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/145—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements set on carriages travelling along the machines; Warning or safety devices pulled along the working unit by a band or the like
Definitions
- the invention relates to a device for monitoring yarns on spinning machines, with a sensor that is arranged to be movable along a path in front of the production sites.
- CH 601093 from CH 601093 is a device for monitoring a running sequence known from workplaces of a textile machine on thread breakage, at which, at the workplaces guided probe, for contactless recording of electrical signals, is guided past the workplaces on a guide rail.
- This hiking sensor or probe reacts to the rotation of the ferromagnetic according to a magnetic principle Ring traveler of the workplace.
- a disadvantage of the device mentioned is that it only breaks the thread can be detected via the stationary ring traveler. In particular, this gives Device does not provide information about the quality of the spun yarn, because it reacts not on the gam itself.
- the object of the present invention as characterized in the claims is to create a device with which each spinning station of a ring spinning machine as far as can be monitored that outliers and other irregularities in the Gam can be determined.
- a so-called walking sensor along the production or spinning stations along a path is carried out, which is a special measuring element for determining the gam cross section and / or Yarn diameter contains.
- the rotating yarn, especially the so-called Illuminated balloon and thereby light changes are caused by the yarn when the walking sensor passes at each spinning position at least approximately in an instantaneous value of the thread diameter and / or yarn cross-section are implemented.
- the device according to the invention therefore has a hiking sensor with at least one Measuring device that is suitable to determine the diameter or the mass.
- a hiking sensor with at least one Measuring device that is suitable to determine the diameter or the mass.
- the advantages achieved by the invention are to be seen in particular in that after a short time on a ring spinning machine spindles can be recognized Produce yarn with outliers. This is a complex test of the yarn for outliers no longer necessary and the results can be achieved much more quickly. In addition systematically recorded all spinning positions evenly, so that one can count on that outliers and other irregularities in the yarn are practically continuously recorded become.
- the proposed device is also very simple and therefore inexpensive. It can also be easily automated.
- Fig. 1 shows schematically a hiking sensor 1 with a measuring element 2, which is on a rail 4 or a web along a ring bench 5 with spinning or production stations 6, 7 and 8 slides.
- the typical parts of a ring spinning machine, as well as the traveling sensors for detection Thread breaks are assumed to be known from CH 601093.
- the hiking sensor 1 is connected to an evaluation unit 10, which also has a Output 11, for example for the output of outliers or others, the quality of the Yarn representing values.
- the transmission of the signals from the hiking sensor 1 the line 9 is carried out either via the drive of the traveling sensor as in that CH 601 093, or via the conductive rail 4.
- FIG. 2 again shows some of the elements known from FIG. 1, namely in particular a spinning station 7 with a spool 12, the ring bench 5 with a ring 13 and one Ring traveler 14, the rail 4 with the traveling sensor 1, and the measuring element 2. It can be seen here also the yarn 15, which forms the known balloon 16.
- FIG 3 shows an embodiment of a traveling sensor 17 with an optically operating measuring element 18 and light sources 19 and 20 arranged on both sides thereof, which are aligned in this way are that the surface 21 of a coil is illuminated.
- FIG. 4 shows an embodiment of a traveling sensor 22 with an optically operating measuring element 23 and light sources 24 and 25 arranged on both sides thereof, which are so aligned are that the track 26 or the balloon of a spinning station is illuminated.
- Fig. 6 shows a schematic representation of the operation of a receiver or measuring element 41, which cooperates with an upstream gap 42.
- Fig. 7 shows a schematic representation of the operation of a receiver or measuring element 43, which works with an upstream lens or lens 44.
- Fig. 8 shows pulses 45, 46 of different amplitude A, which are proportional to the diameter of a yarn.
- the pulses 45, 46 are accordingly signals as they are emitted by the measuring element can.
- Fig. 9 shows pulses 47, 48 of different lengths, which are also proportional to the diameter of a yarn.
- the pulses 47, 48 are accordingly signals as they are emitted by the measuring element can.
- the operation of the invention is as follows:
- the measuring element 2 in the traveling sensor 1 does not detect the ring traveler as it drives past the spinning positions 6, 7, 8, but directly the yarn 49, 50, 51 which rotates around the spindle. From this, a measured value is derived that corresponds at least approximately to the yarn diameter or yarn cross-section. In principle, such a measuring element therefore only records one measuring point per revolution of the yarn around the spindle and this only when the spindle in question passes.
- the outliers can be identified by appropriate statistical evaluation of the measurement results in the evaluation unit 10, which therefore consists of a suitably programmed processor.
- FIGS. 3 and 4 Show a first example of a special measuring device for measuring the yarn diameter Figures 2 to 4.
- the yarn above the ring 13 with at least one, better but illuminated with two crossing light sources 19, 20 or 24, 25.
- the area the light rays are indicated by dashed lines in FIGS. 3 and 4.
- a light-sensitive measuring device 23 (Fig. 4) is now designed so that it only reflects the light reflected by the yarn in a very short area.
- the yarn can also be used for measurement appear as if it were only viewed through a narrow slit, what with the Arrangement according to FIG. 6 is indicated.
- the yarn 52 radiates its reflected light through the gap 42 onto the measuring element 41, here, for example, as a photo element, from.
- Optics 44 with at least one lens, as shown in principle in FIG. 7, is better than a gap is shown.
- the theory of optics is well known and does not need to be explained further.
- Fig. 3 Another possibility for detecting the yarn diameter is shown in Fig. 3. in this connection is instead of the yarn of the spinning cops on its surface 21 behind the rotating yarn illuminated The yarn is not illuminated by the light rays. It remains in it Shadow.
- the spinning cop now reflects light onto the measuring element, the optics of which are basically like can be carried out in the previous example. In contrast to the previous example However, the yarn now shadows the reflected light. Instead of one Light pulse, as in the previous example, becomes the shading pulse in this case evaluated.
- FIG. 5 Another embodiment is shown in FIG. 5.
- the light from the light transmitter 35 is transmitted Mirror elements 30, 29 deflected to the light receiver 36.
- the light receiver 36 is in turn only equipped with a gap.
- the light beam is weakened by the rotating yarn or completely interrupted.
- the same considerations apply to the impulses and the optics as in the examples above.
- the speed at which the hiking sensor 34 moves is of course much less than the speed at which the yarn rotates around the bobbin. Therefore, the position shown, at least once per passage of the hiking sensor 34, where the yarn 32 falls into the light beam 53 occur.
- the measured values can also be per pass of the traveling sensor along the entire ring spinning machine be averaged. This can cause the unevenness over time are tracked per ring spinning machine side. Changes such as those caused by climate disturbances, raw material fluctuations and the like can occur ascertain immediately, in contrast to the usual sampling with subsequent Testing in the laboratory.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Description
Das Messorgan 2 im Wandersensor 1 erfasst beim Vorbeifahren an den Spinnstellen 6, 7, 8 nicht den Ringläufer, sondern direkt das Garn 49, 50, 51, das um die Spindel rotiert. Davon wird jeweils ein Messwert, der mindestens näherungsweise dem Garndurchmesser bzw. Garnquerschnitt entspricht abgeleitet. Grundsätzlich erfasst ein solches Messorgan also jeweils nur einen Messpunkt pro Umdrehung des Garns um die Spindel und dies nur beim Vorbeifahren vor der betreffenden Spindel. Durch entsprechende statistische Auswertung der Messresultate in der Auswerteeinheit 10, die deshalb aus einem entsprechend programmierten Prozessor besteht, lassen sich die Ausreisser jedoch erkennen.
Claims (9)
- Vorrichtung zur Überwachung von Gamen an Spinnmaschinen, mit einem Wandersensor (1), der längs einer Bahn (4) vor den Produktionsstellen fahrbar angeordnet ist, dadurch gekennzeichnet, dass der Wandersensor zur Erfassung des Durchmessers des Garns ausgebildet und angeordnet ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Wandersensor ein optisch arbeitendes Messorgan (2) aufweist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Wandersensor oberhalb einer Ringbank (5) im Bereiche eines Ballons (16) angeordnet ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Wandersensor mit einer Auswerteeinheit (10) verbunden ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Wandersensor Lichtquellen (19, 20, 24, 25, 35) aufweist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Wandersensor einen Empfänger (36) aufweist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass dem Wandersensor (1) für jede Spindel ortsfeste Spiegelelemente (29, 30) zugeordnet sind.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Lichtquellen moduliert sind.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das Messorgan zur Auswertung von Lichtveränderungen ausgebildet ist, die durch das rotierende Garn verursacht sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH289097 | 1997-12-17 | ||
CH289097 | 1997-12-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0924324A1 EP0924324A1 (de) | 1999-06-23 |
EP0924324B1 true EP0924324B1 (de) | 2002-09-04 |
Family
ID=4243905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98122732A Expired - Lifetime EP0924324B1 (de) | 1997-12-17 | 1998-11-30 | Vorrichtung zur Ueberwachung von Garnen an Ringspinnmaschinen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6112508A (de) |
EP (1) | EP0924324B1 (de) |
JP (1) | JPH11269729A (de) |
CN (1) | CN1154759C (de) |
DE (1) | DE59805401D1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001051397A1 (de) * | 2000-01-14 | 2001-07-19 | Zellweger Luwa Ag | Verfahren zur erfassung von qualitätsmerkmalen an garn |
DE10020694A1 (de) * | 2000-04-27 | 2001-10-31 | Stahlecker Fritz | Spinnmaschine mit einer Vielzahl von Spinnstellen |
CN1688756B (zh) * | 2002-08-13 | 2010-05-12 | 里特机械公司 | 环锭纺纱机的传感器系统 |
ES2316282B1 (es) * | 2007-05-18 | 2010-01-26 | Twistechnology S.L. | Sistema de torcido de hilo en maquinas retorcedoras e hiladoras. |
CN101918627B (zh) * | 2007-12-13 | 2013-02-06 | 乌斯特技术股份公司 | 监测环锭纺纱机的多个工作位置的设备和方法 |
US7918387B2 (en) * | 2008-11-04 | 2011-04-05 | Jerome Kahn | Thread identification system |
US20100224112A1 (en) * | 2009-03-05 | 2010-09-09 | Jerome Kahn | Automatic sizing of embroidery |
EP2284303B1 (de) * | 2009-08-12 | 2011-11-23 | Karl Mayer Textilmaschinenfabrik GmbH | Drehgatter einer Musterkettenschärmaschine, Musterkettenschärmaschine und Verfahren zum Messen eines Spulendurchmessers |
JP5796558B2 (ja) * | 2012-09-05 | 2015-10-21 | 株式会社豊田自動織機 | 紡機の糸検出装置 |
CN102995188A (zh) * | 2012-11-30 | 2013-03-27 | 宁波瑞能电子科技有限公司 | 断纱检测机构 |
CN103498225B (zh) * | 2013-06-09 | 2015-07-01 | 江南大学 | 环锭纺细纱机工作状态的监测方法及判断方法 |
CN104420035B (zh) * | 2013-08-28 | 2016-10-12 | 江南大学 | 赛络纺粗纱断条检测与指示装置 |
CN103981607B (zh) * | 2014-05-23 | 2016-08-17 | 汪建建 | 一种螺旋光电清纱器 |
DE102016001099A1 (de) * | 2016-02-02 | 2017-08-03 | Saurer Germany Gmbh & Co. Kg | Vorrichtung und Verfahren zum Ermitteln des Durchmessers eines durch einen laufenden Faden gebildeten Fadenballons an einer Arbeitsstelle einer fadenballonbildenden Textilmaschine |
CN107815761A (zh) | 2016-09-13 | 2018-03-20 | 第伊沃尔维克斯私人有限公司 | 用于加工连续条状纺织材料的机器的测量系统 |
EP3802927B1 (de) * | 2018-05-28 | 2023-10-04 | Uster Technologies AG | Ringspinnanlage und verfahren zu ihrem betrieb |
CN111926427B (zh) * | 2020-08-07 | 2021-12-28 | 苏州汇川技术有限公司 | 单锭检测系统、控制方法、设备和存储介质 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3498039A (en) * | 1968-07-29 | 1970-03-03 | Leesona Corp | Control system |
US3638412A (en) * | 1970-05-01 | 1972-02-01 | Leesona Corp | Textile machine |
US3672143A (en) * | 1970-10-20 | 1972-06-27 | Leesona Corp | Doffing apparatus and method |
US3803822A (en) * | 1970-12-14 | 1974-04-16 | Parks Cramer Co | Radiation sensitive ends down detecting apparatus and method |
US3789595A (en) * | 1971-12-20 | 1974-02-05 | Leesona Corp | Automatic control system for correcting textile machinery malfunctions from sensed and stored malfunction data |
US3945181A (en) * | 1973-08-11 | 1976-03-23 | Toray Industries, Inc. | Process and apparatus for measuring uniformity of physical properties of yarn |
US3902308A (en) * | 1973-09-19 | 1975-09-02 | Leesona Corp | Optical sensing system for textile apparatus |
CH609011A5 (de) * | 1975-12-04 | 1979-02-15 | Peyer Siegfried | |
CH601093A5 (de) * | 1976-11-05 | 1978-06-30 | Zellweger Uster Ag | |
CH614421A5 (de) * | 1977-03-21 | 1979-11-30 | Zellweger Uster Ag | |
US4112665A (en) * | 1977-06-23 | 1978-09-12 | Parks-Cramer Company | Plural sensor ends down detecting apparatus |
DE3028453A1 (de) * | 1980-07-26 | 1982-03-18 | Zinser Textilmaschinen Gmbh, 7333 Ebersbach | Spinnmaschine |
JPS5862511A (ja) * | 1981-10-09 | 1983-04-14 | Murata Mach Ltd | 糸ムラ情報の解析方法および解析装置 |
JPS62154915A (ja) * | 1985-12-27 | 1987-07-09 | Hitachi Comput Eng Corp Ltd | 半導体集積回路装置 |
CH672332A5 (de) * | 1987-04-10 | 1989-11-15 | Zellweger Uster Ag | |
CH675133A5 (de) * | 1987-07-06 | 1990-08-31 | Zellweger Uster Ag | |
DE4119382A1 (de) * | 1991-06-12 | 1992-12-17 | Zinser Textilmaschinen Gmbh | Verfahren und vorrichtung zum suchen eines fadenendes oder aufwerfen eines hilfsfadens an einem kops bzw. an einen kops oder eine leere huelse |
-
1998
- 1998-11-30 EP EP98122732A patent/EP0924324B1/de not_active Expired - Lifetime
- 1998-11-30 DE DE59805401T patent/DE59805401D1/de not_active Expired - Fee Related
- 1998-12-07 US US09/206,239 patent/US6112508A/en not_active Expired - Fee Related
- 1998-12-14 JP JP10377812A patent/JPH11269729A/ja active Pending
- 1998-12-16 CN CNB981116833A patent/CN1154759C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59805401D1 (de) | 2002-10-10 |
EP0924324A1 (de) | 1999-06-23 |
US6112508A (en) | 2000-09-05 |
CN1230608A (zh) | 1999-10-06 |
JPH11269729A (ja) | 1999-10-05 |
CN1154759C (zh) | 2004-06-23 |
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