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EP0417623A1 - Dispositif de réglage des bords - Google Patents

Dispositif de réglage des bords Download PDF

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Publication number
EP0417623A1
EP0417623A1 EP90117049A EP90117049A EP0417623A1 EP 0417623 A1 EP0417623 A1 EP 0417623A1 EP 90117049 A EP90117049 A EP 90117049A EP 90117049 A EP90117049 A EP 90117049A EP 0417623 A1 EP0417623 A1 EP 0417623A1
Authority
EP
European Patent Office
Prior art keywords
sensor
reed
width
sensors
flange
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.)
Ceased
Application number
EP90117049A
Other languages
German (de)
English (en)
Inventor
Klaus Behl
Karl-Heinz Erren
Ekkehard Mantz
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.)
Norddeutsche Faserwerke GmbH
Original Assignee
Norddeutsche Faserwerke GmbH
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 Norddeutsche Faserwerke GmbH filed Critical Norddeutsche Faserwerke GmbH
Publication of EP0417623A1 publication Critical patent/EP0417623A1/fr
Ceased 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
    • D02H13/00—Details of machines of the preceding groups
    • D02H13/16—Reeds, combs, or other devices for determining the spacing of threads
    • D02H13/18—Reeds, combs, or other devices for determining the spacing of threads with adjustable spacing
    • 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

Definitions

  • the invention relates to a device for recognizing and adjusting deviations in the cylindrical yarn deposit on the flange sides of warp beams or partial warp beams in warping machines, in which a reed which is adjustable in width determines both the width of the thread sheet and its position relative to the flange sides.
  • DE-OS 34 04 255 discloses a device for checking and adjusting the winding structure formed by a group of threads running side by side on a warp beam with side flanges for warping or warping machines.
  • the width of the thread coulter as well as its relative position to the warp beam is determined by means of a warp.
  • Measured value transmitters are arranged at the two ends of the winding and, depending on the respective angular diameter, emit a measured value influenced by the angular diameter.
  • At least one setpoint transmitter which is influenced in the same way by the winding diameter is provided, which is arranged inward alongside the measured value transmitters and generates a setpoint which, together with the measured values provided by the measured value transmitters, in each case produces a differential value in the event of a deviation of setpoint and measured value is compared.
  • the two difference values generated in this way are then linked to one another in such a way that in the case of the same Difference values the warping unit changes the width of the thread group and / or in the case of different difference values the warping unit shifts the thread group.
  • a disadvantage of the known device is that it does not take into account a change in the position of the flange sides as the winding diameter increases, which is caused by the fact that the family of threads pushes the flange sides more and more outwards during winding.
  • the flange sides are pressed outwards by several mm towards the end of the winding process.
  • the edges of the flanges are repeatedly poor.
  • the warping shifts, which leads the threads before they run onto the tree in order to avoid a mirror formation of the wound thread coulter.
  • the width of the thread sheet is adjusted by more or less strong transverse position as well as the right and left limit to the TKB. If this limitation or the inclination or width of the reed is not set correctly or if changes occur during the winding process, then the bad edge build-up mentioned occurs. A change occurs, among other things, when the amount of yarn wound increases the pressure on the flanges and pushes them outwards.
  • the object of the invention is to provide a device for detecting and readjusting deviations of the cylindrical yarn deposit on the flange sides of warp beams or partial warp beams, taking into account the flange deflection.
  • the device of the type mentioned which is characterized by a sensor head on each flange, which is at the free end of a bracket is mounted and carries a first sensor, a second sensor and a third sensor, which are connected via electrical lines to a programmable logic controller, the second and third sensors being aligned with one another in such a way that they output their signals at an angle of 90 ° and received while the first sensor is positioned and aligned therebetween at an angle of 45 °; by a cross table that moves the bracket in two mutually perpendicular directions under the action of two stepper motors controlled by the controller; and by two Riet motors, which are also controlled by the control system and one of which moves the Riet parallel to the axis of the partial warp beam, while the other adjusts its width.
  • the sensor head always maintains the same distance from both the flange side of the tree and the outside diameter of the winding and can thus recognize and readjust the width and orientation of the thread sheet at the desired point.
  • the first and second sensors are preferably infrared sensors, while the third sensor is an inductive sensor.
  • the first IR sensor expediently has its focal point at about 2 mm in front of the flange on the yarn, so that it can detect a deviation from the ideal end winding, positive or negative, of approximately 0.1 mm.
  • the second IR sensor has a larger measuring field and expediently maintains a constant distance of approximately 8 mm from the yarn.
  • the third sensor as an inductive sensor, holds the sensor head at a constant distance from the flange of the partial warp beam and thus the first IR sensor exactly in its position.
  • the reed can be used to guide the Thread coulter can be controlled.
  • FIG. 1 shows a schematic representation of a group of threads 5 which is wound onto a partial warp beam 24 by a warping gate, not shown, via a reed 10 which is adjustable in width, a so-called expansion reed.
  • the reed 10 has a number of joints 9 which can be moved back and forth in a guide 25 in a manner to be explained later. In this way, the individual reed legs 10 'can be pulled apart to a greater or lesser extent, thereby changing the width of the sheet 5.
  • a swivel reed instead of an expansion reed, another type of reed, for example a swivel reed, can also be used.
  • a swivel reed is not pulled apart, but swiveled around a pivot point to change the width of the thread sheet.
  • the first Riet motor 20 drives a screw spindle 40, which has a collar 41 in the center, which is mounted in bearings 42 against lateral displacement, via an indicated gear ratio.
  • the screw 40 carries in the region of its ends a nut 43,43 ', on which two of the joints 9 are arranged. If the first Riet motor 20 sets the screw 40 in rotation, then the nuts 43 and 43 'are moved in the axial direction of the screw 40 and thereby pull the joints 9 apart in a first direction of rotation while being pushed together in a second direction of rotation.
  • a second reed motor 21 is used to move the reed 10 parallel to the axis of the partial warp beam 24, whereby the family of threads 5 can be moved laterally with respect to the flanges 22, 22 '.
  • the control of the second Riet motor 21 is also carried out by the controller 8 by supplying suitable control commands on a line 31.
  • the core of the invention namely the sensor head 4, is described below.
  • a sensor head of essentially identical construction is shown for the right and left side of the partial warp beam 24.
  • the individual parts are therefore provided with the same reference numerals; they differ only by an apostrophe.
  • only the left sensor head 4 is described below. It is shown positioned approximately in the middle of FIG. 1 on the inner flange side 23 of the flange 22 of the partial warp beam 24.
  • the sensor head 4 is attached to the free end of a holder 6 which is mounted on a cross table 14.
  • a suitable holder for example by providing a profile with a toothed rack, not shown, which can be moved back and forth on its longitudinal axis by the pinion 19 of a stepping motor 17. It is clear that the rack must be performed in bearings, not shown, for this purpose.
  • the sensor head 4 can be moved by the stepping motor 17 in a first or X direction, which expediently runs radially to the partial warp beam 24.
  • a further direction of movement of the sensor head 4, namely in the Y direction makes it possible to move the sensor head 4 parallel to the axis of the partial warp beam 24.
  • the cross table 14 in a manner known per se, for example in that the holder 6 on a bed 7 arranged at right angles thereto is perpendicular to its length stretching can be moved.
  • another stepper motor 16 is used, the pinion 15 of which meshes with a rack, also not shown, mounted on the bed 7.
  • the two stepper motors 16 and 17 are controlled by the controller 8 via lines 36 and 37.
  • Figure 1 also shows details of the sensor head 4, which carries three sensors 1, 2 and 3.
  • the first and second sensors 1 and 2 are infrared sensors, while the third sensor 3 is an inductive sensor.
  • the second sensor 2 and the third sensor 3 are mounted so that their radiation axes enclose an angle of 90 °.
  • the first sensor 1 is attached under the radiation direction of 45 °.
  • the first IR sensor 1 is aligned with the point of the ideal end winding of the partial warp beam 24. In operation, its sensor focus is around 2 mm in front of the flange on the yarn.
  • the second IR sensor 2 emits infrared radiation in the radial direction onto the wound yarn, which is reflected and picked up again in the radial direction. It should serve to maintain a constant distance of, for example, about 8 mm from the yarn.
  • the third sensor 3 is an inductive sensor which is directed towards the inside of the flange 23 and is intended to keep the sensor head 4 at a constant distance from the flange 22.
  • the signals from the three sensors 1 - 3 are fed via lines 11, 12 and 13 to the controller 8, which is a programmable logic controller, after processing by analog amplifiers 26, 28 and threshold switches 27, 29.
  • the sensors 2.2 'and 3.3' hold the first sensor 1.1 'exactly in their position. For example, if it detects a positive deflection of the winding (leading edge), this causes a positive change in the 0 - 20 mA output of its sensor amplifier. This current is fed to a first analog amplifier 26.
  • the working range of the first analog amplifier 26 is 0-100% and the limits can be varied as desired. Its output voltage is accordingly 0-10 volts DC. This voltage is converted into a defined switching point in a downstream first threshold switch 27 and sets a relay (not shown). The relay addresses an input in the programmable logic controller (PLC) 8.
  • PLC programmable logic controller
  • the signals from the other sensors 2 and 3 and the sensors 1 ', 2' and 3 'of the other side of the tree are received.
  • Corresponding different links activate one or more PLC outputs for a certain time. They act on the two reed motors 20 and 21.
  • the first reed motor 20 moves the reed 10 to the right or left, while the other reed motor 21 adjusts the width of the reed 10, thereby changing the width of the thread sheet 5 becomes.
  • the sensors 2 and 3 act on the stepper motors 16 and 17, the sensors 2 'and 3' on the stepper motors 16 'and 17' and thus position the sensors 1 and 1 '.
  • the sensors 2,2 ' have the task of keeping the sensors 1,1' exactly the same distance (e.g. 8 mm) from the wound yarn. In principle, they work like sensors 1, 1 'and, when a decreasing distance is detected, switch via their sensor amplifier, a second analog amplifier 28, a second threshold switch 29 of the PLC 8 and a control unit 18, a first stepper motor 17, 17'. . This moves the holder 6 on which the sensor head 4,4 'is mounted away from the yarn until the set value is reached again.
  • each sensor head 4.4 'to the flange is detected by the sensor 3.3', an inductive proximity switch. It has the advantage that differently colored yarn carriers (TKB) can be used. If the proximity switch reports that the distance from the flange is too large, this message goes directly to the PLC 8 and, by linking, triggers the other stepper motor 16 to respond, again via the motor control unit 18. This causes the sensor head 4, 4 'brought back to the same distance to the flange 22 by extending the bracket 6.
  • TKB differently colored yarn carriers
  • the analog and threshold switches can be omitted if the PLC offers the option of processing the sensor signals like these two.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)
EP90117049A 1989-09-13 1990-09-05 Dispositif de réglage des bords Ceased EP0417623A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3931066 1989-09-13
DE3931066A DE3931066A1 (de) 1989-09-13 1989-09-13 Kantensteuerungsvorrichtung

Publications (1)

Publication Number Publication Date
EP0417623A1 true EP0417623A1 (fr) 1991-03-20

Family

ID=6389637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90117049A Ceased EP0417623A1 (fr) 1989-09-13 1990-09-05 Dispositif de réglage des bords

Country Status (3)

Country Link
US (1) US5067215A (fr)
EP (1) EP0417623A1 (fr)
DE (1) DE3931066A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998016674A1 (fr) * 1996-10-14 1998-04-23 Sucker-Müller-Hacoba Gmbh & Co. Procede et dispositif pour l'enroulement sur une ensouple de chaine
DE19924936A1 (de) * 1999-05-31 2000-12-07 Ulrich Pixberg Elektronisch gesteuerte Expansions- und Changiervorrichtung
CN115538000A (zh) * 2022-09-08 2022-12-30 常州市新高绝缘材料有限公司 一种无纸化玻纤整经装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3418742B2 (ja) * 1993-03-19 2003-06-23 オタリ株式会社 テープ巻き込み装置
US5465762A (en) * 1994-06-10 1995-11-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Adjustable reed for weaving net-shaped tailored fabrics
US5964391A (en) * 1997-10-24 1999-10-12 E. I. Du Pont De Nemours And Company Wrap detection device
DE102013208452A1 (de) * 2013-05-08 2014-11-13 Mep-Olbo Gmbh Verfahren zur Herstellung eines Gewebes
DE102013208449A1 (de) * 2013-05-08 2014-11-13 Mep-Olbo Gmbh Vorrichtung zur Herstellung eines Gewebes und Gewebe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3404255A1 (de) * 1984-02-07 1985-08-14 Liba Maschinenfabrik Gmbh, 8674 Naila Vorrichtung zur kontrolle und einstellung des wickelaufbaues auf einem kettbaum

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6606476A (fr) * 1966-05-12 1967-11-13
US3633198A (en) * 1968-04-26 1972-01-04 Greenwood Mills Inc Loom operation indicator circuit
CH606545A5 (fr) * 1976-04-23 1978-11-15 Benninger Ag Maschf
DE2917666C2 (de) * 1979-05-02 1983-03-24 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Schärmaschine
US4438917A (en) * 1981-10-16 1984-03-27 International Business Machines Corporation Dual motor aligner
DE3219132C2 (de) * 1982-05-21 1985-11-21 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Direktschärmaschine mit einer Einrichtung zum Regeln der Schärgeschwindigkeit
DE3511474A1 (de) * 1985-03-29 1986-10-09 Erhardt & Leimer GmbH, 8900 Augsburg Fotoelektrische fuehlvorrichtung mit lichtreflexion und/oder lichtschranke
US4693460A (en) * 1985-12-02 1987-09-15 Russell Corporation Automatic garment portion loader
CH678196A5 (fr) * 1988-05-27 1991-08-15 Benninger Ag Maschf

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3404255A1 (de) * 1984-02-07 1985-08-14 Liba Maschinenfabrik Gmbh, 8674 Naila Vorrichtung zur kontrolle und einstellung des wickelaufbaues auf einem kettbaum

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998016674A1 (fr) * 1996-10-14 1998-04-23 Sucker-Müller-Hacoba Gmbh & Co. Procede et dispositif pour l'enroulement sur une ensouple de chaine
DE19924936A1 (de) * 1999-05-31 2000-12-07 Ulrich Pixberg Elektronisch gesteuerte Expansions- und Changiervorrichtung
CN115538000A (zh) * 2022-09-08 2022-12-30 常州市新高绝缘材料有限公司 一种无纸化玻纤整经装置
CN115538000B (zh) * 2022-09-08 2023-10-10 常州市新高绝缘材料有限公司 一种无纸化玻纤整经装置

Also Published As

Publication number Publication date
US5067215A (en) 1991-11-26
DE3931066A1 (de) 1991-03-21

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