EP0712374B1 - Aufspulmaschine für einen mit konstanter geschwindigkeit laufenden faden - Google Patents
Aufspulmaschine für einen mit konstanter geschwindigkeit laufenden faden Download PDFInfo
- Publication number
- EP0712374B1 EP0712374B1 EP95920745A EP95920745A EP0712374B1 EP 0712374 B1 EP0712374 B1 EP 0712374B1 EP 95920745 A EP95920745 A EP 95920745A EP 95920745 A EP95920745 A EP 95920745A EP 0712374 B1 EP0712374 B1 EP 0712374B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- value
- ranges
- speed
- measured
- correcting
- 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
Links
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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
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
- B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
- B65H59/385—Regulating winding speed
-
- 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 winding machine according to the preamble of claim 1.
- This winding machine is known from DE-OS 39 33 048 (Bag. 1659).
- a winding machine for winding a thread is known from which the dancer arm is connected to a potentiometer so that a Change in position of the dancer arm to a direction-dependent change in tension on Potentiometer leads.
- This potentiometer voltage is used as a position measurement for an ID controller given to generate a signal to adjust the spindle speed.
- the disadvantage of this known winding machine is that the control the sudden changes in position due to the oscillating movements to vibrations the spindle speed and thus lead to an uneven coil build-up.
- the object of the invention is the winding machine with its To design the control system so that the control system is able to all fluctuations in the position of the dancer arm without switching to compensate for those fluctuations caused by the back and forth movements of the traversing device become.
- controller is programmable and adjustable over a wide range is, so that all operating states are recorded and in discrete Control values can be implemented and that the control the occurring operating conditions can be adjusted sensitively, the extreme conditions - such as B. creating and Starting off - no switching required.
- a precision cheese head is in perspective shown.
- Fig. 2 shows diagrams to illustrate the Measuring and control procedure.
- Such precision bobbins are in several horizontal and vertical rows side by side in arranged a precision cheese winder.
- the precision cheese head is in a vertical Stand plate 1 arranged.
- the Spool 3 On the stand plate 1 is the Spool 3 on which the spool with the winding tube is stretched, cantilevered.
- the winding spindle 3 is the Traversing device for traversing the incoming thread 12 assigned.
- the traversing device is parallel to the coil from the housing 11, in which a reversible thread shaft 10 is rotatable is stored, and that of the reverse thread shaft in one Straight guide back and forth traversing thread guide 9, the Thread 12 laid on the bobbin.
- a support roller 28 on the housing 11 of the Traversing device freely rotatable.
- the traversing device with the reverse thread shaft is on one Carriage 13 attached.
- the carriage 13 is in one Carriage guide 14 mounted, which is a linear movement - radial or secantial to the coil - allows.
- a spring 15 acts thereby on the carriage in such a way that the traversing device against each other with their support roller 28 during the entire winding cycle the coil surface supports, but the growing Diameter of the coil 2 can dodge.
- the fed thread 12 runs before it from the traversing thread guide 9 is laid on the coil surface, over two fixed Rollers 5 and 6, between which a dancer arm 7 with a Dancer roll 29 is pivotally arranged.
- the dancer role lies under the weight of the dancer arm on the thread.
- the drive motor 4 for driving the Spool spindle 3 attached.
- This drives over one Timing belt pulley 31 and timing belt 32 one on this side of the Stand plate cantilevered end of the winding spindle 3 non-rotatably arranged toothed belt pulley 33 and thus the Central winding spindle 3.
- the winding spindle is with the Reverse thread shaft 10 connected by gear Toothed belt pulley 16 and toothed belt 19 and toothed belt pulley 18 with a countershaft 30 and from there by another Toothed belt pulley 26 over toothed belt 20 and toothed belt pulley 17th with the reverse thread shaft 10.
- the countershaft 30 is opposite the winding spindle 3 and opposite the reversing thread shaft 10 by each a pivot lever 23 and 22 supported and in the free ends this pivot lever is rotatably mounted.
- the thread runs at a constant speed. This forms between the thread guides 5 and 6 due to the constant Weight of the dancer arm 7 with the dancer roll 29 - possibly reinforced by a spring - a sag.
- the size of this Sag is determined on the one hand by the Feed speed of the thread and the other through the Winding speed. The size of this slack will increase adjusted a constant value. However, the Fluctuations caused by the traversing movement be allowed.
- the axis of the dancer arm is with a Control device 8 connected. Through the control device 8 the drive motor 4 controlled. If the sag of the Fadens enlarged and consequently the dancer arm 7 clockwise pivots, the drive speed of the spindle motor 4 is increased. If the sag decreases, the drive speed increases reduced.
- the dancer arm 7 and the control device 8 are So included in a control loop through which the sag of the Thread loop between the thread guides 5 and 6 is corrected.
- control of the drive motor 4 is designed so that that the following functions are performed:
- the thread is first placed over the thread guide 5 and 6 led and wrapped around the dancer roll 29.
- the string is then placed on the empty tube and by the rotating Empty sleeve caught.
- the dancer arm 7 lifts off from its lower stop position and switches from the applied speed controller 37 to the Switch 34 on the dancer arm to the dancer arm control 38.
- the dancer arm with the rotating roller 29 is provided with a rotation sensor 40 connected.
- the position and the Speed of the dancer arm detected. It can become Example is a magneto-resistive sensor.
- This magneto-resistive sensor has a fixed ferromagnetic Layer that is enclosed in a circuit. On this ferromagnetic layer acts on a magnet, which with the Dancer arm is rotatable. By changing the rotational position of the Magnetic field also changes the electrical resistance of the ferromagnetic layer so that the voltage drop across the ferromagnetic layer a measure of the rotational position of the dancer arm is.
- the Speed of the dancer arm In addition to the position of the dancer arm, the Speed of the dancer arm, depending on height and direction, measured. For this purpose, the measurement is carried out at predetermined time intervals repeated and the speed determined from this. The ongoing determined measured position values and the measured speed values are now given to the controller.
- the controller has a memory with different Storage areas.
- position quantity areas saved in the position storage area. These position quantity ranges are shown in Fig. 2A.
- the quantity areas define a membership value with which a determined position measurement value for the previously defined position quantity range heard. These membership values are in on a scale from 0 to 1.
- Each quantity range is divided into a main area and a transition area. By doing The main area has a membership value of 1.
- the membership value falls to the respective neighboring quantity range drops from 1 to 0, whereby however overlaps to the neighboring transition area occurrence.
- the Transition area Ib of quantity area I covers all Measured values that are only limited to the quantity range can be assigned "far below".
- the memory also has a memory area in which as Control algorithm any occurring combination of position quantity ranges and speed quantity ranges a certain manipulated variable quality range according to FIG. 2C assigned.
- the membership value (fulfillment value) of the Control value for the selected quantity range II for example by multiplying the membership values for position and Speed to their respective candidate Quantity range. Before this multiplication or other superposition also a weighting of Affiliation values are made that reflect the level of trust of the Affiliation reflects.
- the result is the fulfillment value.
- the weighting factor (measure of trust) for both membership values 1. This results in the Affiliation value (fulfillment value) for the manipulated variable to his selected quantity range with also 0.8.
- FIG. 2C shows that this means that the manipulated variable quantity range II "negative medium" those below the 0.8 horizontal area indicates the area from which the Control value is selected.
- the computer also contains one for this Rule algorithm.
- This control algorithm can, for example state that the manipulated variable is the abscissa of the centroid is the area covered by that Quantity range cut off by membership value becomes. This area is hatched in Fig. 2C.
- the abscissa of the Center of gravity and thus the manipulated variable has the value -3. This Value is given to the motor to reduce the speed.
- the measured position value is in contrast 3 measuring units.
- the computer takes these control algorithms from the total of 15 control algorithms from the memory and accordingly assigns the manipulated variable quantity ranges II and III to the current measured value. This is shown in Fig. 2D.
- the membership value of the manipulated value to the respective quantity range results from the membership values of the measured value to the assigned position or speed quantity ranges by superimposition as previously described.
- the computer is now programmed so that it can Center of gravity of the area determined which the selected limited by the respective membership values Cover quantity ranges; d. h .: the overlapping Area is only calculated once, the rest is the sum of Quantity ranges formed by the assigned Membership values are limited.
Landscapes
- Tension Adjustment In Filamentary Materials (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Der Stellwert-Quantitätsbereich II besitzt also einen Zugehörigkeits-Wert von 0,7 x 0,8 = 0,56
und der Stellwert-Quantitätsbereich III einen Zugehörigkeits-Wert
von 0,3 x 0,8 = 0,24.
Claims (3)
- Aufspulmaschinefür einen mit konstanter Geschwindigkeit angelieferten Faden (12),mit einer Changiereinrichtung (9, 10) zum Hin- und Herbewegen des Fadens (12) quer zu seiner Laufrrichtung,mit einer Spulspindel (3), die durch einen Spindelmotor (4) angetrieben wird,mit einem Tänzerarm (7), der den Durchhang des Fadens (12) vor der Changiereinrichtung (9, 10) erfaßt,mit einer Meßeinrichtung (40) zur Erzeugung eines Stellungs-Meßwerts, welcher die Stellung des Tänzerarms (7) repräsentiert,mit einem Regler (8), durch weichen der Stellungs-Meßwert in einen Motor-Stellwert umgesetzt und der Spindelmotor (4) in Abhängigkeit von dem Motor-Stellwert gesteuert wird,die Meßeinrichtung (40) während des Aufspulbetriebs zusätzlich zu dem Steilungs-Meßwert einen Geschwindigkeits-Meßwert erzeugt, welcher Geschwindigkeits-Meßwert die Bewegungsrichtung und Geschwindigkeit des Tänzerarms (12) repräsentiert,und daß der Motor-Stellwert durch Überlagerung des Stellungs-Meßwerts und des Geschwindigkeits-Meßwerts - ggf. nach vorheriger Gewichtung - ermittelt wird.
- Aufspulmaschine nach Anspruch 1,
dadurch gekennzeichnet, daß
der Stellungs-Meßwert und der Geschwindigkeits-Meßwert nach folgendem Verfahren überlagert werden:2.1 die Meßwerte werden jeweils vorbestimmten Stellungs-bzw. Geschwindigkeits- Quantitätsbereichen zugeordnetwobei jeder der Quantitätsbereiche die Zugehörigkeit des jeweiligen Meßwertes zu einer vorbestimmten markanten Quantität auf einer Werteskala der Zugehörigkeitswerte definiert,wobei jeder der Quantitätsbereiche eingeteilt ist in
Hauptbereiche, denen der Zugehörigkeitswert = 1 zugeordnet ist, und
Übergangsbereiche, in welchen der Zugehörigkeitswert zu dem jeweilig benachbarten Quantitätsbereich von 1 auf 0 abfällt,undwobei sich benachbarte Übergangsbereiche überschneiden,2.2 dem aktuellen Stellungs-Meßwert und dem aktuellen Geschwindigkeits-Meßwert werden die jeweiligen Zugehörigkeitswerte zu den ermittelten Quantitätsbereichen zugeordnet,2.3 in einem Speicher wird allen vorkommenden Kombinationen von Stellungs- und Geschwindigkeits-Quantitätsbereichen ein bestimmter Stellwert-Quantitätsbereich zugeordnet,2.4 die einstellbaren Motor-Stellwerte werden jeweils vorbestimmten Stellwert-Quantitätsbereichen zugeordnetwobei jeder der Quantitätsbereiche die Zugehörigkeit zu einer vorbestimmten Quantität definiert,wobei jeder Stellwert-Quantitätsbereicheingeteilt ist in
Hauptbereiche, denen der Erfüllungswert = 1 zugeordnet ist, und
Übergangsbereichen, in welchen der Erfüllungswert zu dem jeweilig benachbarten Quantitätsbereich von 1 auf 0 abfällt, undwobei sich benachbarte Übergangsbereiche überschneiden,2.5 aus dem Speicher werden die den aktuellen Kombinationen von Stellungs- und Geschwindigkeits-Quantitätsbereichen zugeordneten Stellwert-Quantitätsbereiche abgerufen,2.6 durch Überlagerung der ermittelten Zugehörigkeitswerte des Stellungs- bzw. Geschwindigkeits- Meßwerts zu ihren jeweiligen Quantitätsbereichen wird - evtl. nach vorheriger Gewichtung - z.B. durch Multiplikation ein Erfüllungswert für jede ermittelte Kombination von Stellungs- und Geschwindigkeits- Quantitätsbereichen gebildet, wobei zusätzlich dieser Erfüllungswert noch mit einem zwischen Null (0) und Eins (1) vordefinierten Vertrauensfaktor multipliziert werden kann.2.7 zu jeder dieser ermittelten Kombinationen von Stellungs- und Geschwindigkeits- Quantitätsbereichen wird der entsprechende Stellwert-Quantitätsbereich aus dem Speicher abgerufen,2.8 jedem dieser Stellwert-Quantitätsbereiche wird der Erfüllungswert der zugehörigen Kombination zugeordnet,2.9 eine Gewichtung der ermittelten Stellwert-Quantitätsbereiche nach ihrer Gesamtgröße und der Höhe des zugeordneten Erfüllungswerts wird durchgeführt,2.10 der Motor-Stellwert wird so ausgewählt,daß er zumindest einem der ermittelten Stellwert-Quantitätsbereiche zugehört unddaß seine Lage die Größe zu zuvor gewichteten Stellwert-Quantitätsbereiche berücksichtigt, wobei sich überschneidende gewichtete Stellwert-Quantitätsbereiche nur einmal berücksichtigt werden. - Aufspulmaschine nach Anspruch 2,
dadurch gekennzeichnet, daß
der Motor-Stellwert so ausgewählt wird, daß er die Abszisse des Schwerpunkts der Gesamtfläche ist, welche durch die Hüllkurve der zuvor gewichteten Stellwert-Quantitätsbereiche umschrieben wird.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4419774 | 1994-06-06 | ||
DE4419774 | 1994-06-06 | ||
DE4423315 | 1994-07-02 | ||
DE4423315 | 1994-07-02 | ||
DE4443515 | 1994-12-07 | ||
DE4443515 | 1994-12-07 | ||
PCT/DE1995/000719 WO1995033671A2 (de) | 1994-06-06 | 1995-06-02 | Aufspulmaschine für einen mit konstanter geschwindigkeit laufenden faden |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0712374A1 EP0712374A1 (de) | 1996-05-22 |
EP0712374B1 true EP0712374B1 (de) | 1999-05-19 |
EP0712374B2 EP0712374B2 (de) | 2002-05-08 |
Family
ID=27206462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95920745A Expired - Lifetime EP0712374B2 (de) | 1994-06-06 | 1995-06-02 | Aufspulmaschine für einen mit konstanter geschwindigkeit laufenden faden |
Country Status (8)
Country | Link |
---|---|
US (1) | US5725174A (de) |
EP (1) | EP0712374B2 (de) |
KR (1) | KR960703797A (de) |
CN (1) | CN1098210C (de) |
CZ (1) | CZ286689B6 (de) |
DE (1) | DE59505965D1 (de) |
TW (1) | TW289774B (de) |
WO (1) | WO1995033671A2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6595454B2 (en) * | 1999-12-29 | 2003-07-22 | Pirelli Cavi E Sistemi S.P.A. | Optical fiber tensioning device and method of controlling the tension applied to an optical fiber |
DE10257997B4 (de) * | 2002-12-12 | 2005-11-24 | Memminger-Iro Gmbh | Fadenmessgerät, insbesondere für instationäre Anwendungen |
US6935590B2 (en) * | 2003-05-19 | 2005-08-30 | Autoliv Asp, Inc. | Sensor for a feedback control system |
US7140571B2 (en) | 2003-06-11 | 2006-11-28 | Autoliv, Asp, Inc. | Electric seat belt retractor system |
EP1975106B1 (de) * | 2007-03-26 | 2012-07-18 | Lunatone Industrielle Elektronik GmbH | Fadenspannung |
CN101913515B (zh) * | 2010-07-15 | 2012-06-27 | 上海世纤新材料科技有限公司 | 卷绕机采用机械和电子自动调整线绳张力的恒张力系统 |
CN102443946A (zh) * | 2010-09-30 | 2012-05-09 | 吴江求是纺织品有限公司 | 织机加捻装置 |
US20120292422A1 (en) * | 2011-04-18 | 2012-11-22 | Alkar-Rapidpak-Mp Equipment, Inc. | Systems and methods for supplying a web of packaging material to an indexing-motion packaging machine |
CZ304712B6 (cs) * | 2013-12-20 | 2014-09-03 | Rieter Cz S.R.O. | Bubnový mezizásobník příze pro textilní stroj |
ES2785664T3 (es) * | 2016-01-29 | 2020-10-07 | Sealed Air Corp | Sistema para producir bandas hinchadas |
CN105936446A (zh) * | 2016-05-31 | 2016-09-14 | 铜陵正前机械装备制造有限公司 | 一种绕丝稳定的卷丝机 |
CN106115357A (zh) * | 2016-06-28 | 2016-11-16 | 福建浔兴拉链科技股份有限公司 | 尼龙拉链的牵伸丝的恒张力收卷装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1958390U (de) † | 1966-08-18 | 1967-04-06 | Barmag Barmer Maschf | Regeleinrichtung an aufwickelvorrichtungen fuer faeden oder fadenartige gebilde. |
DE1785336B2 (de) * | 1968-09-12 | 1974-06-06 | Industrie-Werke Karlsruhe Augsburg Ag, 7500 Karlsruhe | Vorrichtung zum Aufspulen von Chemiefäden |
BE758671A (fr) * | 1969-11-15 | 1971-04-16 | Siemens Ag | Dispositif de reglage de la vitesse des mecanismes d'enroulement sur broches |
DE3241362C2 (de) † | 1982-11-09 | 1984-11-29 | A. Ott, Gmbh, 8960 Kempten | Fadenspannungsregler |
DE3723593C1 (en) † | 1987-07-16 | 1988-12-08 | Sahm Georg Fa | Method for regulating a winding motor acting on a winding spindle on a cross-winding machine and cross-winding machine |
DE3734433A1 (de) * | 1987-10-12 | 1989-04-20 | Sucker & Franz Mueller Gmbh | Verfahren zum steuern der wickelspannung einer fadenschar beim bilden eines wickels |
DE3933048A1 (de) * | 1988-10-06 | 1990-04-12 | Barmag Barmer Maschf | Aufspulmaschine |
DE69121789T2 (de) * | 1990-06-04 | 1997-04-03 | Hitachi Ltd | Steuerungsvorrichtung für die Steuerung einer gesteuerten Anlage und Steuerungsverfahren dafür |
US5080296A (en) * | 1990-09-24 | 1992-01-14 | General Atomics | Low tension wire transfer system |
US5277373A (en) * | 1991-12-18 | 1994-01-11 | Morton Henry H | Apparatus and method for controlling tension in a moving material |
US5566065A (en) * | 1994-11-01 | 1996-10-15 | The Foxboro Company | Method and apparatus for controlling multivariable nonlinear processes |
-
1995
- 1995-06-02 WO PCT/DE1995/000719 patent/WO1995033671A2/de active IP Right Grant
- 1995-06-02 DE DE59505965T patent/DE59505965D1/de not_active Expired - Lifetime
- 1995-06-02 EP EP95920745A patent/EP0712374B2/de not_active Expired - Lifetime
- 1995-06-02 US US08/592,362 patent/US5725174A/en not_active Expired - Lifetime
- 1995-06-02 CN CN95190520A patent/CN1098210C/zh not_active Expired - Fee Related
- 1995-06-02 CZ CZ1996337A patent/CZ286689B6/cs not_active IP Right Cessation
- 1995-06-10 TW TW084105916A patent/TW289774B/zh active
-
1996
- 1996-02-06 KR KR1019960700616A patent/KR960703797A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN1129437A (zh) | 1996-08-21 |
CZ33796A3 (en) | 1996-06-12 |
CN1098210C (zh) | 2003-01-08 |
DE59505965D1 (de) | 1999-06-24 |
EP0712374B2 (de) | 2002-05-08 |
KR960703797A (ko) | 1996-08-31 |
EP0712374A1 (de) | 1996-05-22 |
WO1995033671A2 (de) | 1995-12-14 |
TW289774B (de) | 1996-11-01 |
US5725174A (en) | 1998-03-10 |
WO1995033671A3 (de) | 1996-01-18 |
CZ286689B6 (en) | 2000-06-14 |
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