EP0994975B1 - Verfahren und vorrichtung zum schären mit einer konusschärmaschine - Google Patents

Verfahren und vorrichtung zum schären mit einer konusschärmaschine Download PDF

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Publication number
EP0994975B1
EP0994975B1 EP99927676A EP99927676A EP0994975B1 EP 0994975 B1 EP0994975 B1 EP 0994975B1 EP 99927676 A EP99927676 A EP 99927676A EP 99927676 A EP99927676 A EP 99927676A EP 0994975 B1 EP0994975 B1 EP 0994975B1
Authority
EP
European Patent Office
Prior art keywords
roller
warping
winding
support
measuring
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
Application number
EP99927676A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0994975A1 (de
Inventor
Hubert Kremer
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.)
Sucker Mueller Hacoba GmbH and Co
Original Assignee
Sucker Mueller Hacoba GmbH and Co
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
Priority claimed from DE19820019A external-priority patent/DE19820019A1/de
Application filed by Sucker Mueller Hacoba GmbH and Co filed Critical Sucker Mueller Hacoba GmbH and Co
Publication of EP0994975A1 publication Critical patent/EP0994975A1/de
Application granted granted Critical
Publication of EP0994975B1 publication Critical patent/EP0994975B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H3/00—Warping machines
    • D02H3/02—Sectional warpers
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H13/00—Details of machines of the preceding groups
    • D02H13/22—Tensioning devices
    • D02H13/26—Tensioning devices for threads in warp form

Definitions

  • the invention relates to a method for warping with a cone warping machine, the threads in strips on a Winding up the warping drum, with a support for a thread guide and the warping drum according to the growing Coil thickness and predetermined warping data relatively parallel to each other be moved, the first volume during a Measuring phase scanned by a roller under contact pressure and the scanned adjustment path depending on the number the revolutions of the warping drum is registered and where the pressure of the roller on the roll continuously during the measuring phase is monitored by measurement technology and especially in the case a deviation of the monitoring result from a predetermined one If the support feed is corrected, according to DE 196 46 087 A.
  • the archipelago consists of winding the Warp threads.
  • the winding takes place by turning the warping drum. Due to the special shape of the warping drum, namely the cone, receives the first band and thus all subsequent ones bands supported on it a parallelogram-like Cross-sectional shape.
  • the speed of rotation and the feed of the warping drum are determined by item-specific data of the Threads determines how their diameter or the number and type of the capillaries. Different winding speeds and Thread tensile forces or contact forces of the roller require a different one Structure of the wrap. This manifests itself e.g. in a different degree of support from soft or hard wrapping for the next tape.
  • the method of DE 196 46 087 A is based on the task to ensure immediate detection and Elimination of irregularities has an influence on the winding structure to be able to exercise.
  • This object of DE 196 46 087 A is achieved by that the pressure of the roller on the reel during the measuring phase and / or continuously during further winding or copying is monitored by measurement and in the event of a deviation of the Monitoring result from a predetermined setpoint Support advance corrected.
  • the process is essentially carried out in such a way that a roller is placed on the wound tape and on two pressure sensors are supported, the measured values of which Control device can be evaluated.
  • the pressure sensors can detect both high pressure and low pressure. If the measured pressure deviates too much from the warping data can be corrected for the mean or target value become. Larger bumps that are difficult to correct or pressure fluctuations result from thickening of the tape, because the coulter is in before the warping knotted in the beginning of the warp drum is mounted. The winding over the knots also leads then excessive bumps in the thread build-up when the hooking points are sunk in the cone drum. This can be too Measuring errors or damage to the threads of the tape when scanning by means of the roller.
  • the measured Pressure changes may be very large, so they outside a measurement interval by a predetermined mean lie and can lead to problems in the control. It is then necessary, for example, to suppress pressure peaks.
  • the object of the present invention is therefore in improving the method mentioned at the beginning in such a way that there are no irregularities in the pressurization the roller during the first revolutions after hanging of the tape and thus possible damage the roller or the threads is prevented.
  • the above object is achieved in that the Roll at the beginning of the warping of the first band with a predetermined one Distance from the warping drum is arranged, and that the measuring phase starts automatically with increasing winding thickness as soon as the reel rotates the roller.
  • Such a process ensures that the sharpened Band only at a later stage of the warping process touches the measuring roller. Only when the tape reaches a thickness which corresponds to the predetermined distance the tape is scanned from the roller. The distance is predetermined so that the essential bumps from the suspended Knots and other factors related to the start of warping no longer have any influence on the measurement result.
  • the initial Bumps and possible pressure fluctuations remain by the described method without effect.
  • the existing one Measuring device can be adjusted without pressure peaks continue to be used and need not be reprogrammed.
  • DE 3 702 293 A describes a method for warping known with a warping drum, in which with a predetermined Wrapped skewer feed and the manufactured one Basic wrap is scanned with a probe.
  • the A corrected warping carriage feed will be corresponding to the key result used.
  • This procedure is intended to the influence of the hard warp drum pad and others at Exclude the start of sharpening associated factors on the measuring process.
  • the warping process according to the invention can be carried out in this way that the support until the start of the measurement phase only in parallel to the warping drum and with a thread matched to the thread data Support advance is postponed.
  • the thread data are for example the thickness and the density of the thread.
  • the warping process can be carried out so that the automatic start of the measurement phase with one of the Rotating roller derived measurement pulse takes place.
  • the measuring phase is only started, when the roller turns. It is ensured that a Roll is built with a thickness that the predetermined Distance corresponds.
  • the measuring pulse is derived as soon as the measuring roller sets in motion. This is the starting point of the measurements used a very early phase of movement. It is not necessary, that the roller makes a full revolution, but it is enough e.g. half a turn or less. This enables a simple, i.e. not speed sensitive Detector for the registration of the Use motion, e.g. a proximity sensor with a simple aperture.
  • the measuring pulse is derived as soon as the speed of rotation the roller reaches a predetermined value Has. This avoids that unforeseen, accidental rotation of the roller due to possible contact or shocks as a start for the measuring process become.
  • the specification and measurement of the rotational speeds enables a more accurate determination of an actual The roller touches the roll.
  • a derivative of the Measuring pulse can take place, for example, when the speed of rotation half of the roller on its outer circumference the winding speed of the winding or half the Peripheral speed of the winding has reached.
  • the roller after the measuring phase in the further winding up corresponding to one in the measuring phase withdraw mean obtained and towards the winding press and the pressure of the roller during further winding or Copying continuously to monitor metrologically and in the event a deviation of the monitoring result from a predetermined one Setpoint to correct the support feed.
  • the first volume is checked whether the Winding structure is correct, e.g. in the event of disturbances due to the increase the thread tension due to decreasing thread supply Coils or due to a multiplication effect due to inaccurate Input parameters. It is a complete adjustment the pressure of the roller during the entire winding build-up possible.
  • the roller also at the beginning of the warping of the other belts the same predetermined distance from the warping drum and that until the measurement phase is reached with the same Sharpening data is sharpened, as in the first volume.
  • the predetermined distance of the roller in turn enables easy and safe avoidance of irregularities in the Pressurization of the roller during the first revolutions after hanging the tape.
  • the invention relates to a cone warping machine, with a support carrying a thread guide that is attached to a Machine frame adjustable parallel to a warping drum is, with a motorized controllable by a control device Feed drive for the generation of the winding thickness increase corresponding relative movements between the warping drum and the support, with a the wrap circumference with pressure scanning roller, the adjustment path depending on the Number of revolutions of the warping drum with the control device is storable and that at least one pressure sensor is supported by the control device during the Measuring phase applied, the control device, the roller in the event of a deviation of the measured pressure from one controls the predetermined target value in the correction sense.
  • the cone machine described above can in terms of avoidance of irregularities in the pressurization of the Roller during the first revolutions after hanging the Band be improved so that a stop is provided with which the roller is used for warping until it is reached a predetermined winding thickness of the tape at a distance is positioned by the warping drum. This is one easy adjustment of the roller before warping and a safe Positioning during the start of the warping process guaranteed. There are no pressure fluctuations to the control device forwarded. Any shocks by starting and the first few turns of the warping drum have no effect because the measurement phase has not yet started is.
  • the cone warping machine can be designed to this effect be that a pulse generator is provided which has a pulse to start the measuring phase at a predetermined speed of rotation the roller releases.
  • the preferably nearby the pulse generator arranged on the roller effects a registration the rotation of the roller and a simple start of the measuring phase. It is adjustable regardless of the control device, what contributes to a more accurate measurement.
  • the stop is available on the support so that it even when postponing support to skew the following Tapes can always be used in the same way and always a constant distance of the roller is guaranteed.
  • the roller can be held on the stop without pressure.
  • a cone warping machine has an essential component a warping drum 11 by one, not shown Warping drum drive is rotatable. At one end the warping drum 11 has a cone 19, which of the side Support of the threads 10 wound in strips does not serve the cone warping machine from the coils shown coil gate taper.
  • the threads 10 form a String of threads by a thread guide 13 on a bandwidth b is arranged.
  • the coulter is not about one shown measuring roller guided to drive them and so to measure the thread length.
  • Fig.1 shows that the threads 10 of the Thread bundle knotted in bundles and bundles 10 ', 10' ' the warping drum 11 are attached.
  • the warping drum has a suspension device 43, namely a suspension groove 44, in of the hanging pins 45.
  • Fig. 2 there is a parallelogram cross-section of a band to axially support it.
  • the Cross section of a first band 14 and further bands 14 ' is exemplified in the upper half of Fig.2.
  • the parallelogram shape is made by corresponding relative movements between the warping drum 11 and the thread guide reed 13 reached, which is supported by a support 12.
  • a Feed drive M generated. This is in Fig.2 together with the support 12 and a control device 24 schematically shown.
  • the support is advanced by a drive M representing servo motor that is support-resistant and in a bottom rail or in a toothed rail of a not shown Machine frame engages.
  • a drive M representing servo motor that is support-resistant and in a bottom rail or in a toothed rail of a not shown Machine frame engages.
  • the support advance takes into account the Cone angle ⁇ and proportional to the increase during winding Winding thickness.
  • a fixed size during the cone angle ⁇ and accordingly in determining the support advance is taken into account, the increasing winding thickness must be measured be recorded. This is done with a roller 15, the is practically bandwidth and rotatably mounted on the support 12.
  • a winding 16 is built up in accordance with the thread specifics faster or slower and accordingly the support feed must be bigger or smaller. For example, the yarn thick and dense, the winding thickness takes faster to and the feed or the axial adjustment of the roller 15th in the x direction in millimeters per degree of angle or per drum revolution must be bigger.
  • the roll thickness can be measured with the roller 15.
  • the roller 15 is vertical in a manner not shown adjustable to the axis of the warping drum 11 in the y direction.
  • the roller 15 When the warping drum 11 is rotated, the builds up Wind up 16 layers. He presses on the roller 15 and adjusts this corresponds to the increase in the winding thickness.
  • the Scanned adjustment path depends on the number the revolutions of the warping drum 11 registered.
  • the winding is carried out under pressure by the Roller 15 is pressed against the winding 16. Scanning the Winding 16 with the roller 15 thus takes place under contact pressure. If a set pressure is exceeded, the servo motor an axis-parallel movement in the x direction and a radial one Movement in the y direction triggered as long and in small Steps carried out until the target pressure is available again is.
  • the control device shown in FIG. 2 is for this purpose 24 available from the roller 15 via at least one pressure sensor, not shown, is applied. The application takes place during a measuring phase 23 of the winding.
  • the recording of the adjustment path depending on the number the revolutions of the warping drum 11 and the measurement of Pressure of the roller 15 on the winding 16 can after the Measuring phase 23 for determining an average value of the feed to be used. So there will be an average adjustment range each Warping drum rotation and thus an average feed calculated. This corresponds to the feed that during one of the copying following the measuring phase 23 is applied becomes.
  • the measurement phase 23 usually extends over a comparatively small winding thickness. It is therefore possible that the measurement is not accurate enough and that it further winding the first tape 14 changes the Pressure of the roller 15 on the winding 16 result. The consequence would be an incorrect winding structure.
  • the method can therefore be carried out in this way be that the pressure of the roller 15 on the winding 16th during the further winding up following measurement phase 23 or Copying is continuously monitored by measuring technology and in the event a deviation of the monitoring result from a predetermined one Setpoint correction of the support feed takes place.
  • the process could also be carried out that there is no further winding or copying to the measuring phase 23 connects, but that the measuring phase 23 to the end of winding the first tape 14 is performed, wherein a metrological section by section or continuously Monitoring to the extent described above takes place, as does one Correction of support advance if the monitoring result has a deviation from the predetermined target value.
  • the process could also be carried out that indeed during the measuring phase 23 continuously or in sections is monitored by a correction of the support advance in the event of a deviation from the Monitoring result of a predetermined setpoint, however is disregarded. It then becomes the entire first band 14 in one such measurement phase 23 on the basis of the article-specific Print finished. This is determined by the article-specific Determines data of the threads 10, for example accordingly their diameter, etc. A deviation of the Pressure on the roller 15 compensated by thread tension correction be, but which can be considerably smaller than in known methods.
  • the roller 15 arranged according to Figure 1, namely with a predetermined Distance s in its zero position. In this zero position aligns the left end face 15 'of the roller with the Transition line 47 of the cone 19 to the warping drum body 11 '. The distance s is a few millimeters. He is hired by that the roller 15 against a schematically shown Stop 50 is pushed to the support 12 is located. In the vicinity of the roller 15 there is a pulse generator 51 present, which is connected to the control device 24, for example is. The pulse generator 51 can only be acted upon when the roller 15 rotates. In this case the Pulse generator 51 approached a proximity sensor, not shown and triggers an impulse that is evaluated.
  • Warping drum 11 is not identical to the beginning of the rotation the roller 15. So there is first a rotation of the warping drum 11, which leads to the winding of threads 10, without the roller 15 in contact with the building itself Is winding 16. As a result, it stands still. Only when the winding 16 building up has become so thick according to FIG is that he touches the roller 15, it begins to rotate. The winding 16 has an influence on the Not roller 15 and vice versa. As a result, too Irregularities in the winding 16 do not affect the roller 15 transfer. Such irregularities are, for example by knot 46 of the strands 10 ', 10 "and by the tie bar 43 conditional. It has been shown that this resulted Irregularities of the winding 16 on the scanning through the roller 15 no longer have a significant impact if the Distance s was set correctly.
  • the support 12 moved exclusively parallel to the warping drum 11. A movement of the support across the warping drum 11 is excluded because the winding 16 before starting the Measurement phase does not yet press against the roller 15.
  • the thread data are used to create an article-specific To determine the feed size. For example the support 12 becomes thicker with a larger one Support feed postponed than with thinner threads. The determination as in the rest of the support advance, namely with a control device 24 into which the thread-specific Data are entered, and that the support advance calculated taking into account the cone angle ⁇ .
  • a measuring pulse is derived from the roller 15 by means of the pulse generator 51, which can be used to measure phase 23 automatically to start.
  • the derivation of the measuring pulse from itself rotating roller 15 can take place as soon as the roller 15 in Movement sets, at most after an almost complete revolution the roller 15.
  • the initiation of the Measuring phase 23 take place when their outer peripheral speed is just as great as the outer peripheral speed of the with the warping drum 11 rotating 16. Practical will let the measuring phase 23 begin as soon as the roller 15 reaches a predetermined value of the rotational speed has, e.g. half of their final rotation speed when unrolling on a roll of thickness s as long they are still in the immediate area of the attack 50 is located.
  • the finished wound tape 14 is on one side in Fig.2 the warping drum adjacent to the cone 19 as an example shown schematically.
  • the other belts 14 'are warmed of which in Fig.2 two bands with a width b as in first band 14 are shown, the predetermined one Distance s from the warping drum body 11 'fully wound. This happens in such a way that a feed as with full winding applied according to the distance s of the first band 14 is, namely a feed corresponding to that described above predetermined warping data.
  • the winding structure of the first band 14 is copied so that the further bands 14 ' have an overall identical structure to the first volume 14.
  • the chain as a whole is sufficient built up evenly.
  • the winding of the tapes plays 14 'up to a winding thickness corresponding to the distance s predetermined warping data is not a decisive role for the subsequent winding structure because the distance s is comparatively is low.
  • the different bands influence each other only marginally in this area. Is important in everyone Case that the measurement phase 23 of the first band 14 and also that Winding up or copying the further tapes 14 'automatically is started. Any necessary corrections to the Support feeds, also as a result of a change in a predetermined one Setpoint, do not require a winding standstill.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP99927676A 1998-05-07 1999-04-17 Verfahren und vorrichtung zum schären mit einer konusschärmaschine Expired - Lifetime EP0994975B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19820019 1998-05-07
DE19820019A DE19820019A1 (de) 1996-11-08 1998-05-07 Verfahren und Vorrichtung zum Schären mit einer Konusschärmaschine
PCT/DE1999/001152 WO1999058750A1 (de) 1998-05-07 1999-04-17 Verfahren und vorrichtung zum schären mit einer konusschärmaschine

Publications (2)

Publication Number Publication Date
EP0994975A1 EP0994975A1 (de) 2000-04-26
EP0994975B1 true EP0994975B1 (de) 2001-11-28

Family

ID=7866718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99927676A Expired - Lifetime EP0994975B1 (de) 1998-05-07 1999-04-17 Verfahren und vorrichtung zum schären mit einer konusschärmaschine

Country Status (8)

Country Link
US (1) US6249939B1 (zh)
EP (1) EP0994975B1 (zh)
CN (1) CN1095000C (zh)
BR (1) BR9906429B1 (zh)
DE (1) DE59900452D1 (zh)
ES (1) ES2168162T3 (zh)
TR (1) TR200000031T1 (zh)
WO (1) WO1999058750A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7178558B2 (en) 2005-04-25 2007-02-20 Massachusetts Institute Of Technology Modular weaving for short production runs
US7318456B2 (en) * 2005-04-25 2008-01-15 Massachusetts Institute Of Technology Modular weaving system with individual yarn control
US20060239153A1 (en) * 2005-04-25 2006-10-26 Mediatek Incorporation Methods and circuits for automatic power control
US7881845B2 (en) * 2007-12-19 2011-02-01 Caterpillar Trimble Control Technologies Llc Loader and loader control system
EP2360302B1 (de) * 2010-01-30 2012-07-25 Karl Mayer Textilmaschinenfabrik GmbH Verfahren zum Erzeugen einer Kette und Konusschärvorrichtung
EP2428599B1 (de) * 2010-09-10 2012-11-28 Karl Mayer Textilmaschinenfabrik GmbH Konusschärmaschine und Verfahren zum Betreiben einer Konusschärmaschine
CN101994189B (zh) * 2010-12-11 2012-11-14 常州市第八纺织机械有限公司 弹力纱线整经机的人字筘自动提升方法
CN102199825A (zh) * 2011-05-26 2011-09-28 常州市第八纺织机械有限公司 拷贝型整经机的误差控制方法
EP3178978A1 (de) * 2015-12-09 2017-06-14 Karl Mayer Textilmaschinenfabrik GmbH Schärmaschinen und verfahren zum erzeugen einer kette
CN106767451A (zh) * 2016-12-30 2017-05-31 广东溢达纺织有限公司 带有滚筒的纺织设备及其带宽测量机构
ES2943152T3 (es) * 2020-10-20 2023-06-09 Karl Mayer Stoll R&D Gmbh Procedimiento para urdir una urdimbre y urdidora seccional

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE423067C (de) 1925-12-22 Robert Hesse Schleif- und Polierscheibe
CH661061A5 (de) 1983-10-06 1987-06-30 Benninger Ag Maschf Verfahren zum steuern des schaerschlittens einer schaermaschine und schaermaschine.
CH669409A5 (zh) * 1986-02-27 1989-03-15 Benninger Ag Maschf
CH675261A5 (zh) 1987-05-14 1990-09-14 Benninger Ag Maschf
CH678196A5 (zh) * 1988-05-27 1991-08-15 Benninger Ag Maschf
CH679935A5 (zh) * 1989-10-09 1992-05-15 Benninger Ag Maschf
CH682497A5 (de) 1990-10-04 1993-09-30 Benninger Ag Maschf Konusschärmaschine und Verfahren zur Ermittlung der Wickeldichte.
DE4304956C2 (de) * 1993-02-18 1998-09-24 Mayer Textilmaschf Verfahren und Vorrichtung zum Schären von Fäden
DE4314393A1 (de) * 1993-04-30 1994-11-03 Hollingsworth Gmbh Verfahren zum Schären von Fäden sowie Schärmaschine
DE19646087A1 (de) 1996-11-08 1998-05-14 Sucker Mueller Hacoba Gmbh Verfahren und Vorrichtung zum Schären mit einer Konusschärmaschine
EP0866155B1 (de) * 1997-03-14 2001-11-07 Benninger AG Verfahren und Vorrichtung zur Kontrolle der Teilfachbildung an einer Schärmaschine

Also Published As

Publication number Publication date
CN1095000C (zh) 2002-11-27
US6249939B1 (en) 2001-06-26
CN1288493A (zh) 2001-03-21
ES2168162T3 (es) 2002-06-01
BR9906429A (pt) 2000-07-11
EP0994975A1 (de) 2000-04-26
BR9906429B1 (pt) 2009-01-13
TR200000031T1 (tr) 2000-11-21
WO1999058750A1 (de) 1999-11-18
DE59900452D1 (de) 2002-01-10
WO1999058750A9 (de) 2000-10-05

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