EP1652977A2 - Procécé d'ourdissage et ourdissoir - Google Patents

Procécé d'ourdissage et ourdissoir Download PDF

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Publication number
EP1652977A2
EP1652977A2 EP05020179A EP05020179A EP1652977A2 EP 1652977 A2 EP1652977 A2 EP 1652977A2 EP 05020179 A EP05020179 A EP 05020179A EP 05020179 A EP05020179 A EP 05020179A EP 1652977 A2 EP1652977 A2 EP 1652977A2
Authority
EP
European Patent Office
Prior art keywords
values
winding
pressure roller
tree
pressure
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.)
Withdrawn
Application number
EP05020179A
Other languages
German (de)
English (en)
Other versions
EP1652977A3 (fr
Inventor
Heinz Kissels
Elmar Lennartz
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.)
Moenus Textilmaschinen GmbH
Original Assignee
Moenus Textilmaschinen 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 Moenus Textilmaschinen GmbH filed Critical Moenus Textilmaschinen GmbH
Publication of EP1652977A2 publication Critical patent/EP1652977A2/fr
Publication of EP1652977A3 publication Critical patent/EP1652977A3/fr
Withdrawn legal-status Critical Current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
    • D02H7/00—Combined warping and beaming machines
    • 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
    • D02H13/02—Stop motions
    • D02H13/10—Stop motions responsive to thread-measuring devices, e.g. stopping the machine when required length of warp has been wound
    • 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
    • D02H13/12—Variable-speed driving mechanisms
    • D02H13/14—Variable-speed driving mechanisms controlled automatically by tension in the warp

Definitions

  • the invention relates to a method for slacking, in which a group of yarns arranged on a gate coils is wound directly on at least two trees, according to the preamble of claim 1 and a corresponding device for slipping according to the preamble of claim. 6
  • Such a method and a corresponding device for the successive manufacturing of trees is known from DE 32 06 272 A1.
  • the running thread lengths and the revolutions of the tree are measured, the values of the first reel are stored and compared with the values of the other reels.
  • thread brakes, a pressure roller and / or the drive of the tree are acted upon in such a way that the difference remains within the tolerance limit.
  • a measuring roller arranged in front of the tree and wrapped around by the yarn sheet is used, which is also known as a deflection roller and which is driven by the yarn sheet.
  • a disadvantage in the measurement of the winding length over the revolutions of the guide roller or the pressure roller is that when starting and stopping the winding, namely while accelerating and decelerating the tree, slippage occurs on a roller driven by the yarn sheet roller and causes errors in the length measurement.
  • a generic method and a generic device in which the winding density of the copy trees is regulated to the winding density of the template tree by changing the contact pressure of the pressure roller.
  • the values for the winding length are determined by a separate feeler roller, which detects the diameter of the roll.
  • the diameter is determined as the value for the winding length to a predetermined rotational angle value as the value for the revolutions of the tree, the values of a first sub-warp tree (master tree) are stored, the values of the following sub-warp beams (copying trees) are compared with these, and deviations are corrected by the contact pressure of a pressure roller is changed.
  • a feeler roll i. H. in addition to the pressure roller a second roller lying on the winding, to determine the diameter of the coil and thus the values for the winding length needed.
  • EP 0 503 238 B1 a device for measuring the length of thread-like, textile material by means of a pressing device, which is used for smoothing the winding surface.
  • a displacement transducer mechanically coupled to the pressing device is provided, which detects the winding radius and thus the deflection of a press roller (pressure roller) of the pressing device. From the values of the transducer and the values for the revolutions of the tree, a calculator determines the total length.
  • This computer can be connected to influence the hardness of the coil to a control or regulating device.
  • the object of the invention is to develop a method for slipping according to the preamble of claim 1 and a corresponding device for slipping according to the preamble of claim 6, wherein the match of the winding density of the trees of a set over the entire winding structure improves and the construction effort is reduced.
  • the winding density of the copying trees is regulated to the winding density of the master tree by changing the contact pressure of the pressure roller
  • the winding density is determined by means of the pressure roller. Ie. the values for the winding length L are determined from the deflection of the pressure roller.
  • a follower roller for determining the winding length L can be dispensed with. The construction costs are reduced.
  • the values for the winding length L are determined from the deflection of the pressure roller by the winding that forms.
  • This winding length measurement is more accurate than a measurement of the number of revolutions of a roller driven by the yarn sheet roller, such as the guide roller or the pressure roller, which does not take into account the slip during acceleration and deceleration.
  • the determination of the winding length L from the deflection of the pressure roller is in a method in which the control of the winding density their contact pressure is changed, more accurate than a determination of a sensing roller.
  • One reason for this could be that the deflection of the pressure roller, which bears against the winding with the contact pressure determining the winding density, more precisely corresponds to the winding radius than a contact roller with a lower or greater pressure.
  • a more accurate determination of the winding length L of the template tree and the copy trees, and thus the winding density, allows a more accurate control of the winding density of the copy trees on the template tree.
  • the match of the winding density of the trees of a set over the entire winding structure is improved.
  • the inventive method is particularly well suited for the production of trees with relatively loose wound threads.
  • the determination of the winding length L from the deflection of the pressing unit requires a computer unit, such. As described in EP 0 503 238 B1. Advantage of the method according to the invention is also that this can be integrated into a computer unit for controlling the contact pressure.
  • the contact pressure of the pressure roller is generated by the pressure roller is braked. If the contact pressure generated by applying a force on both sides of the axis of the pressure roller, such as. As described in DE 32 06 272 A, move through the deflection of the pressure roller constantly the points of application of the force. This can cause the contact pressure can not be controlled accurately. When braking a moving part by fixed parts a braking device, however, it is easier to set a well-defined force. The deceleration of the pressure roller allows a more accurate adjustment of the contact pressure and thus a more accurate control of the winding density.
  • an output contact pressure can be increased by a balancing pressure. If one unwinds a group of yarn without measures for adjusting the thread tension on one or more trees from new coils, the thread tension increases as the coils become empty. According to the invention, after the gate has been fitted with new coils, it is wound with a contact pressure which is increased by the compensation pressure. As a result, the thread tension, which is lower by the full bobbins, than that of the almost empty bobbins is compensated. This measure is advantageous for the use of new coils during the production of a set of winding trees, wherein the starting pressure used is the actual contact pressure.
  • the communiqués are a common contact pressure
  • the z. B. corresponds to a contact pressure for a winding process at constant contact pressure and / or medium to low yarn tension.
  • the compensation pressure is to be determined empirically and depends very much on the thread material and the coil structure. In exceptional cases, it can amount to 80% of the current contact pressure. Preferably, it is according to claim 4 5% to 50%, in particular 10% to 30% of the Ninpress horrs.
  • interpolated setpoint values can be used for the control, enabling the use of the method according to the invention in apparatuses for scheduling whose control, such as a PLC control, has only a small storage space.
  • control can be refined and a high match of the winding density of the trees can be achieved.
  • An apparatus according to claim 6 is particularly suitable for carrying out a method according to claim 2 for carrying out a method according to one of claims 1 to 5, especially according to claim 1 and an apparatus according to claim 7.
  • a braking device for generating the contact pressure may have a brake disc connected to the pressure roller.
  • the pressure roller can be braked with a well-defined braking force by the brake disc is guided by the applied with the braking force, fixed brake shoes and braked.
  • the braking force can be applied by means of hydraulics or pneumatics, wherein a pneumatic application is preferred because of the low structural complexity.
  • the measuring device for the deflection of the pressure roller has a position transducer and a spacer rod, wherein the displacement transducer is mechanically coupled via a Anlenkke with the pressing device and is connected via a sliding unit with the spacer rod in engagement. It allows an accurate determination of the deflection of the pressure roller and after correcting the deviation of the path of the pressure roller along the circular arc portion of the radius r of the coil accurate determination of the winding length L.
  • the spacer bar is rotatably attached at its one end to a housing of the device and freely movable at its other end. This allows a narrower construction of the winding device parallel to the tree axis compared with an articulation of the spacer bar on the tree axis, as described in EP 0 503 238 B1.
  • a device As shown in FIG. 1, a device according to the invention has a winding device with a tree, a pressing device, means for determining values for the winding length L of the yarn sheet 1 and for the revolutions U of the tree and a computer unit 2 as well as one of the winding device upstream gate with winding units 3, where stop brakes, not shown, are arranged, and a guide 4 for the yarn sheet 1 on.
  • the winding device is provided in the access area for the yarn sheet 1 above the tree with a Leitriet 5 and with a guide roller 6.
  • the tree has a tree tube 7 with a diameter d, the inner diameter of the tree, and on both sides of the tree tube 7 tree discs 8 with a diameter D, the outer diameter of the tree on.
  • the tree tube 7 is rotatably mounted on recordings in a frame of the winding device and driven by a drive. The recordings, their storage and the drive are not shown in the drawing.
  • the pressing device has a pressure roller 9, which is attached via two retaining arms 10 to a shaft 11, and an attacking on this shaft 11 braking device.
  • the shaft 11 is also rotatably mounted in the frame and arranged above and to the side of a tree axis 12 that a parallel axis 13 of the pressure roller 9 in the course of producing a coil passes through a circular arc section 14.
  • the arcuate portion 14 begins and ends at the height of the tree axis 12.
  • the pressure roller 9 is at the inner diameter d and at the end of the outer diameter D.
  • the pressure roller 9 is in a start position on the inner diameter d by a dashed line and in an end position on the outer diameter D marked by a solid line.
  • Figures 2 and 4 show the pressure roller 9 in start position. In FIG. 2, its position in the end position is indicated by a dashed line.
  • the frame is formed by an intermediate wall 15 and a side wall 16 of a housing 17 of the winding device.
  • the side wall 16 and the intermediate wall 15 can be seen in Figure 3, parts of the remaining housing 17 show the figures 2 and 4.
  • the means for determining values for the winding length L of the yarn sheet 1 are inventively designed as a measuring device for the deflection of the pressure roller 9 along the circular arc portion 14 with a position transducer 18 and a spacer rod 19.
  • the measuring device is shown in more detail in Figures 2 and 3. It is located on one side of the winding device outside the corresponding tree pulley 8 between a support arm 10 of the pressure roller 9 and the intermediate wall 15.
  • the spacer rod 19 is articulated with one end at the height of the tree axis 12 via a unit 20 to the intermediate wall 15 so that free end is vertically movable.
  • the displacement transducer 18 is in sliding articulation via a sliding unit 21 with the spacer rod 19 and is mechanically coupled via a coupling unit 22 to the holding arm 10 of the pressing device.
  • the Anlenktician 22 allows relative position changes of the transducer 18 to the support arm 10, namely a tilting of the transducer 18 about an axis parallel to the axis 13 of the pressure roller 9.
  • the connection of the transducer 18 with the spacer rod 19 and the support arm 10 is such that the Distance rod 19 in the region of the transducer 18 with the axis 13 of the pressure roller 9 is aligned and moved by the deflection of the pressure roller 9 from the inside outward along the circular arc portion 14 down and back up.
  • the maximum deflection of the spacer bar 19 downward is indicated in FIGS. 1 and 2 as a dot-dash line 23.
  • the spacer rod 19 is designed as a rack, in which engages a pinion of the displacement transducer 18 and generates 19 measuring pulses upon movement of the displacement transducer 18 along the distance bar.
  • a line 25 from the transducer 18 to the computer unit 2 is provided.
  • a measuring unit is provided with a rotation sensor 26 attached to a receptacle of the tree tube 7 for measuring the number of revolutions U and a line 28 from the rotation sensor 26 to the arithmetic unit 2.
  • the measuring unit may comprise a further, not shown, rotary sensor for determining the direction of rotation.
  • the pneumatic braking device of the pressing device to be seen in FIGS. 3 and 4 has a brake disk with a clamping unit 29 and a segment section 30 arranged thereon, the edge 31 of which forms braking surfaces on both sides, and a pneumatic clamp brake.
  • the clamping unit 29 is attached to one of the two receptacles 32 of the shaft 11 of the pressing device outside of the intermediate wall 15.
  • the segment portion 30 has the shape of a circular area segment with a Angle corresponding to the deflection of the support arms 10 of the pressure roller 9 and thus that of the circular arc portion 14. The angle is about 60 °.
  • the pneumatic caliper brake has two jaw brakes 33 with two gun arms 34, an air chamber 35 with a bolt 36, and an air line 37 connected to the air chamber 35 with a pneumatic valve 38.
  • the caliper brake is attached to an inner tong arm 34 via a mounting unit 39 on the intermediate wall 15, which include the jaw brakes 33, the edge 31 of the brake disc.
  • the air chamber 35 is located on the outer gun arm 34 at the opposite end of the jaw brakes 33, wherein the bolt 36 is guided by this gun arm 34 and rests on the other, inner gun arm 34.
  • the pressing device further comprises not shown in the drawing, two acting on the support arms 10 lifting cylinder for moving the pressure roller 9 from the end position to the start position, a magnetic disk brake for braking the rotation of the pressure roller 9 and a balance pressure cylinder for balancing the weight of the pressure roller 9.
  • the computer unit 2 is a PLC with a computer 40 having a microprocessor, a memory 41, a controller 42, an output unit 43, an input unit 44 and a display unit 45.
  • the line 25 for transmitting the values 24 and the line 28 for transmission the values 27 are connected to the computer 40 of the computer unit 2.
  • the computer 40 is connected via data lines 46, 47, 48 and 49 to the memory 41, the controller 42 and the display unit 45, the controller 42 via a data line 50 to the output unit 43, the input unit 44 via a data line 51 to the output unit 43 and the output unit 43 is connected via a line 52 to the pneumatic valve 38 of the brake device.
  • In the lines 25, 28 and 51 for transmitting the values for the regulations may not arranged converter arranged.
  • the computer unit 2 thus comprises a control of the winding density and a determination of the winding length L.
  • the pressure roller 9 with the lifting cylinder from an end position to a stop on the tree pipe 7 with first windings, d. H. in their starting position, driven. Subsequently, the lifting cylinders are moved back and turned on the braking device. The caliper brake is acted upon by a value determined by the computer unit 2 for the braking force.
  • the pressure roller 9 is pressed with one of these braking force corresponding contact pressure F (x) to the forming on the tree tube 7 winding.
  • the displacement transducer 18 is moved over the spacer rod 19 and determines values 24 for the deflection x of the pressure roller 9.
  • the values 24 and values 27 determined for the revolutions U of the tree by the rotation sensor 26 are transmitted via the lines 25 and 28 are routed to the computer unit 2.
  • a template tree is first wound and its determined values 24 and 27 are processed in the computer 40 and stored in the memory 41 as nominal values.
  • To edit the values by the computer u.a. the correction of the movement of the pressure roller 9 on the circular arc section 14.
  • a plurality of copying trees are wound in succession.
  • the determined values 24 and 27 of a copy tree are also processed in the computer 40 and supplied to the controller 42 as actual values together with the setpoint values taken from the memory 41.
  • controller 42 the actual values are compared with the setpoints. From a deviation, the controller 42 determines a value for the change of the contact pressure .DELTA.F and forward it to the output unit 43.
  • the corresponding values 27 of the revolutions U are stored in tabular form.
  • the computer determines for a larger number of actual values from the stored nominal values interpolated Setpoints and forwards them to the controller 42 with corresponding actual values. As a result, the number of control intervals is significantly greater than the number of stored setpoints.
  • values determined in the display unit 45 in the computer 40 for the winding length L, the winding radius r and / or the revolutions U can be displayed.
  • the control in the winding of the copy trees is done in a shorter rule interval.
  • the control begins when in this control interval a minimum deviation of the control variable, here the number of revolutions U relative to the deflection x in the control interval, is exceeded. If this is the case, the manipulated variable, in this case the contact pressure, is increased or decreased by a constant amount ⁇ F 0 for the contact pressure.
  • the regulation takes place here in a control interval of 3 s, the minimum number of revolutions (minimum deviation) is 5 revolutions and the constant amount for the contact pressure ⁇ F 0 15 N, ie 0.5% of the usual contact pressure.
  • the value for the contact pressure is supplied from the output unit 43 to the valve 38 as a voltage in the range of 1 to 10 V, which determines the air pressure in the air chamber 35 and thus the braking force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Winding Filamentary Materials (AREA)
EP05020179A 2004-10-30 2005-09-16 Procécé d'ourdissage et ourdissoir Withdrawn EP1652977A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004052735A DE102004052735A1 (de) 2004-10-30 2004-10-30 Verfahren zum Zetteln und Zettelvorrichtung

Publications (2)

Publication Number Publication Date
EP1652977A2 true EP1652977A2 (fr) 2006-05-03
EP1652977A3 EP1652977A3 (fr) 2008-04-30

Family

ID=35695476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05020179A Withdrawn EP1652977A3 (fr) 2004-10-30 2005-09-16 Procécé d'ourdissage et ourdissoir

Country Status (4)

Country Link
US (1) US7086129B2 (fr)
EP (1) EP1652977A3 (fr)
CN (1) CN1766189A (fr)
DE (1) DE102004052735A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20072269A1 (it) * 2007-12-04 2009-06-05 Btsr Int Spa Metodo e disposizione per l'alimentazione a lunghezza di filo costante assorbito di una macchina tessile operante su una pluralita' di fili
CN101906688B (zh) * 2010-07-05 2011-09-07 常州市第八纺织机械有限公司 立式弹力整经机的纱筒与罗拉之间压力的自动补偿方法
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
CN102392331B (zh) * 2011-08-31 2013-10-09 卡尔迈耶（中国）有限公司 压纱辊
US9896786B2 (en) * 2012-08-23 2018-02-20 Columbia Insurance Company Systems and methods for improving and controlling yarn texture
US9951445B2 (en) * 2012-08-23 2018-04-24 Columbia Insurance Company Systems and methods for improving and controlling yarn texture
US9797133B2 (en) * 2016-03-02 2017-10-24 University Of Dammam Reinforced brick masonry column with polyester thread reinforcement strips
CN114353714A (zh) * 2021-11-18 2022-04-15 福建祥锦实业有限公司 一种自动测量布匹数量与长度的装置及方法
CN117904768B (zh) * 2023-12-27 2025-11-25 江阴市开元纺织机械制造有限公司 一种松式整经机纱线卷绕密度控制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206272A1 (de) 1982-02-20 1983-09-01 W. Schlafhorst & Co, 4050 Mönchengladbach Verfahren und vorrichtung zum sukzessiven fertigen von baeumen
DE3604790A1 (de) 1986-02-15 1987-08-20 Guillot Textil Masch Gmbh Verfahren zur regelung des fadenauftrags auf teilkettbaeume beim direktbaeumen
EP0503238B1 (fr) 1991-03-09 1994-08-03 Hacoba Textilmaschinen GmbH & Co KG Dispositif pour mesurer la longeur de matériaux textiles filoformes
EP1219738A1 (fr) 2000-12-28 2002-07-03 Benninger AG Procédé de fabrication d'au moins deux ensouples de même qualité

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US2382760A (en) * 1940-01-25 1945-08-14 Wiggermann Georg Warping machine
US2691809A (en) * 1950-06-21 1954-10-19 American Viscose Corp Measuring roll release
DE1091948B (de) * 1954-12-15 1960-10-27 Reiners Walter Dr Ing Verfahren und Zettelmaschine zur Herstellung von Zettelbaeumen
US3063123A (en) * 1956-10-01 1962-11-13 Kidde Textile Machinery Corp Yarn feeding means for warping machines
US2972796A (en) * 1958-06-20 1961-02-28 Du Pont Process and apparatus for handling yarns
CH603849A5 (fr) * 1976-12-17 1978-08-31 Benninger Ag Maschf
DE3219132C2 (de) * 1982-05-21 1985-11-21 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Direktschärmaschine mit einer Einrichtung zum Regeln der Schärgeschwindigkeit
DE3734433A1 (de) * 1987-10-12 1989-04-20 Sucker & Franz Mueller Gmbh Verfahren zum steuern der wickelspannung einer fadenschar beim bilden eines wickels
DE3900296A1 (de) * 1989-01-07 1990-07-12 Hacoba Textilmaschinen Verfahren und vorrichtung zum messen der laenge fadenfoermigen textilen guts
JPH02200834A (ja) * 1989-01-31 1990-08-09 Baba Sangyo Kikai Kk 整経機の張力制御装置
DE4304956C2 (de) * 1993-02-18 1998-09-24 Mayer Textilmaschf Verfahren und Vorrichtung zum Schären von Fäden
DE19538478A1 (de) * 1995-10-16 1997-04-17 Sucker Mueller Hacoba Gmbh Verfahren und Vorrichtung zum Aufwickeln einer Fadenschar
DE19646087A1 (de) * 1996-11-08 1998-05-14 Sucker Mueller Hacoba Gmbh Verfahren und Vorrichtung zum Schären mit einer Konusschärmaschine
JP3907026B2 (ja) * 1998-06-19 2007-04-18 津田駒工業株式会社 プレスロール装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206272A1 (de) 1982-02-20 1983-09-01 W. Schlafhorst & Co, 4050 Mönchengladbach Verfahren und vorrichtung zum sukzessiven fertigen von baeumen
DE3604790A1 (de) 1986-02-15 1987-08-20 Guillot Textil Masch Gmbh Verfahren zur regelung des fadenauftrags auf teilkettbaeume beim direktbaeumen
EP0503238B1 (fr) 1991-03-09 1994-08-03 Hacoba Textilmaschinen GmbH & Co KG Dispositif pour mesurer la longeur de matériaux textiles filoformes
EP1219738A1 (fr) 2000-12-28 2002-07-03 Benninger AG Procédé de fabrication d'au moins deux ensouples de même qualité

Also Published As

Publication number Publication date
EP1652977A3 (fr) 2008-04-30
CN1766189A (zh) 2006-05-03
DE102004052735A1 (de) 2006-05-04
US7086129B2 (en) 2006-08-08
US20060090316A1 (en) 2006-05-04

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