EP3078770B1 - Musterkettenschärmaschine - Google Patents

Musterkettenschärmaschine Download PDF

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Publication number
EP3078770B1
EP3078770B1 EP15163189.2A EP15163189A EP3078770B1 EP 3078770 B1 EP3078770 B1 EP 3078770B1 EP 15163189 A EP15163189 A EP 15163189A EP 3078770 B1 EP3078770 B1 EP 3078770B1
Authority
EP
European Patent Office
Prior art keywords
force
axis
sample warper
displaceable
warper according
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.)
Active
Application number
EP15163189.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3078770A1 (de
Inventor
Martin Fuhr
Achim Baumann
Tobias Kraus
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.)
Karl Mayer Textilmaschinenfabrik GmbH
Original Assignee
Karl Mayer Textilmaschinenfabrik 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 Karl Mayer Textilmaschinenfabrik GmbH filed Critical Karl Mayer Textilmaschinenfabrik GmbH
Priority to EP15163189.2A priority Critical patent/EP3078770B1/de
Priority to ES15163189.2T priority patent/ES2631402T3/es
Priority to TW104137198A priority patent/TWI643990B/zh
Priority to JP2015233204A priority patent/JP6158901B2/ja
Priority to CN201510861498.5A priority patent/CN106048825B/zh
Publication of EP3078770A1 publication Critical patent/EP3078770A1/de
Application granted granted Critical
Publication of EP3078770B1 publication Critical patent/EP3078770B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D02H3/04—Sample warpers

Definitions

  • the invention relates to a sample warping machine with a warping drum, at the periphery of a plurality of transport surfaces are arranged, which are movable in one direction from one axial end of the warping drum to the other axial end of the warping drum, and with a yarn guide assembly having at least one yarn guide, wherein the yarn guide and the warping drum are rotatable relative to each other about an axis.
  • Such a sample warper is off EP 1 231 306 A2 known.
  • the threads are not stored directly on the transport surfaces, but seen in the axial direction of the warping drum before it on a lever that can be pivoted radially outward, the angular position is adjustable. From this lever, the threads slip on the transport surfaces. Since the deposit is located radially slightly outside the transport surfaces, the tension of the threads is lowered when sliding down.
  • CH 410808 A shows a drying device for a yarn sheet with a drum, on the circumference of a plurality of transport surfaces are arranged, which are movable in a direction from one axial end to the other axial end of the drum.
  • the threads are passed in strip form through a gluing device and passed after winding on the drum to a fan.
  • the transport surfaces can be arranged convergent, wherein the angle of convergence is adjustable.
  • the belts are wound from the drum and wound onto a spool.
  • Another sample warper is for example off EP 1 930 489 A1 known.
  • sample warping machines are used to produce sample and production chains.
  • individual yarns are withdrawn from a gate and wound on an axial end on the circumference of the warping drum.
  • the threads are placed on the transport surfaces, which move away from the corresponding end to make room for more threads can be wound up.
  • the thread guide can be moved around the circumference of the warping drum or the thread guide can be kept stationary and the warping drum can be rotated.
  • the threads resting on the transport surfaces are under a certain tension. This tension can lead to a force acting on the transport surfaces radial force that is so large that the transport surface can not be moved with reasonable effort or damaged when applying a larger drive power. If If such a case occurs, this leads to an interruption of production and to extensive maintenance.
  • the invention has for its object to provide a pattern warping machine with a high productivity.
  • This object is achieved in a sample warping machine of the type mentioned above in that from the transport surfaces at least one transport surface against a force of a force transducer assembly in a direction to the axis is to be displaced.
  • the circumferential length of the warping drum on which the threads are wound up changes. This circumferential length is smaller, so that the threads can relax somewhat and the tension of the threads decreases or at least produces a smaller force acting on the transport surfaces force.
  • the displacement of the transport surface does not have to be very large. In many cases, a displacement movement of 1 mm or less is sufficient to sufficiently reduce the force acting on the transport surfaces.
  • the displacement of the transport surfaces takes place during operation, ie during the winding process after threads have already been wound up. Accordingly, the circumferential length of the warping drum, which is determined by the corresponding radial positions of the transport surfaces, can be adjusted in operation to the prevailing conditions.
  • the force transducer assembly generates the force that acts in the direction away from the axis.
  • the transport surface is acted upon by a force acting in a direction away from the axis.
  • the displacement of the at least one transport surface can, as it were, be automated and set automatically. If the force caused by the tension in the threads on the Transport surface is greater than the force acting in the direction away from the axis, then the transport surface is displaced until the force acting away from the axis is in equilibrium with the force generated by the tension of the threads.
  • the force acting away from the axis can be dimensioned so that in this state of equilibrium, a movement of the transport surfaces in the desired manner is possible.
  • the force acts radially to the axis.
  • the displacement movement of the transport surface takes place radially to the axis.
  • a displacement of the transport surface in a direction away from the axis is limited.
  • the limitation of the displacement means that the transport surfaces all have a predetermined defined position at the beginning of the winding process.
  • a plurality of transport surfaces in the direction of the axis to be displaced wherein between two movable transport surfaces at least one non-displaceable transport surface is arranged.
  • this has the advantage that due to the displacement movement of the transport surfaces in the direction of the axis to no movement of the wound threads in Circumferential direction is required to reduce the resulting stresses in the threads. This can produce a chain with high quality.
  • the force transmitter arrangement has a plurality of force transmitters which are distributed in a direction parallel to the axis.
  • These force generators can operate independently of each other, so that they effect the displacement of the transport surfaces only where the force generated by the tension of the threads acts on the transport surfaces.
  • the force transmitter arrangement preferably has at least one pressure cylinder.
  • a pressure cylinder can be supplied with a fluid to generate a certain force.
  • the printing cylinder can be designed as a single-acting pressure cylinder.
  • the pressure cylinder is designed as a pneumatic cylinder.
  • the pneumatic cylinder is supplied with a gaseous pressure medium, for example with compressed air.
  • a gaseous pressure medium is compressible. The force generated by the pneumatic cylinder, which acts in the direction away from the axis, then depends on the pressure with which the pneumatic cylinder is fed.
  • the pneumatic cylinder is connected to a source of constant pressure.
  • This source may for example be a compressed air network having an operating pressure of, for example, 6 bar. Such pressure is available in many cases.
  • the force transducer arrangement has a spring arrangement.
  • the spring arrangement one or more springs may be provided. This spring or these springs can be compressed when the force generated by the tension of the threads is greater than the force generated by the spring. If the spring or springs are compressed, then this force increases, so that here also results in a self-regulating operation.
  • the transport surface is located on a support surface and the support surface is displaced in a direction towards the axis.
  • the transport surface also shifts, because the transport surface is pressed by the wound threads against the support surface.
  • the transport surface is guided over the support surface with a certain amount of friction.
  • the force generated by the tension in the threads decreases and the friction between the transport surface and the support surface is reduced.
  • the transport surface is designed as a conveyor belt, which revolves around a carrier profile. This is a relatively simple design of the transport surface.
  • the support surface is displaceable on the carrier profile.
  • the carrier profile can be displaced.
  • a sample warping machine 1 has a warping drum 2, which is connected to a winding drive 3 shown schematically.
  • the winding drive 3 is able to turn the warping drum 2 during winding in the direction of an arrow 4.
  • a plurality of coils is arranged. In the present embodiment, up to 128 coils can be arranged in the gate.
  • the yarn guides 6 can be moved so that the yarn guide eyelets 5 and thus the yarns that are guided by the yarn guides 6, are guided in the axial direction over the circumference of the warping drum 2. There, the yarns guided by the yarn guide eyelets 5 are then deposited on conveyor belts 8a, 8b, which form transport surfaces 8. The transport surfaces move parallel to the axis of the warping drum 2 from the front side on which the yarn guides 6 are arranged away. If threads are not to be stored on the circumference of the warping drum 2, then the corresponding yarn guide eyelets 5 are moved in front of the end face of the warping drum 2. The threads not required for the production of a chain are then wound on a central cord (not shown).
  • part rods 9 are provided, which are arranged between the conveyor belts 8a, 8b.
  • Each partial rod 9 has at its the yarn guide assembly 7 facing the end of a tip 10, which has substantially radially outward.
  • the tip 10 is immovably arranged here on the partial rod 9.
  • the thread guide eyelets 5 are all shown in front of the end face of the warping drum 2. However, it is obvious that to guide the threads around the circumference of the warping drum 2, a movement of the thread guide 6 is required, which causes the thread guide eyelets 5, the axial length of the warping drum, more precisely the conveyor belts 8 sweep.
  • Fig. 1 an embodiment of a pattern warping machine is shown, in which the warping drum 2 rotates.
  • the invention is equally applicable to a pattern warping machine in which the warping drum 2 stands while winding the warp, while the yarn guide assembly 7 is rotated relative to the warper drum 2.
  • the conveyor belts 8a, 8b are each part of a yarn transport unit 11, as in the FIGS. 2, 4 and 5 is shown.
  • the thread transport unit has a carrier profile 12 which is fastened to the circumference of the warping drum 2 via a plurality of base carriers 13.
  • the carrier profile 12 has a support surface 14, which is supported by a force transmitter assembly 15 on a bottom wall 16.
  • Fig. 3 shows two possible embodiments of force generators 17 of the force transducer assembly 15.
  • the individual force transmitter 17 can be used alternatively or together.
  • a first embodiment of a force transmitter 17 is a pressure cylinder 18, which may be designed as a single-acting pressure cylinder.
  • the pressure cylinder 18 is a pneumatic cylinder whose working space 19 is connected to a source 20 of constant pressure.
  • the source 20 may be, for example, the compressed air network of a factory in which a constant pressure of 6 bar prevails.
  • the pressure cylinder 18 has a piston 21 which can move up to an upper end wall 22 of the pressure cylinder 18 at most.
  • the upper end wall 22 thus forms a movement limit. It limits the displacement movement of the support surface 14 away from the axis X and thus also a corresponding displacement movement of the conveyor belt 8 a, which rests on the support surface 14.
  • An alternative embodiment of the force transmitter 17 is formed by a spring arrangement 23.
  • the spring assembly 23 may comprise a single spring 24 or a plurality of springs.
  • the spring 24 has a predetermined length in the relaxed state, which simultaneously determines the maximum displacement of the conveyor belt 8a from the circumference of the warping drum 2 away.
  • the conveyor belt 8 is guided on the thread transport device 11 at one end via tension rollers 25 and at the other end via a drive wheel 26.
  • the drive wheel 26 is driven by a drive unit 27 to move the conveyor belt 8a with its upper run, which here forms the transport surface 8, from the side of the warping drum 2, on which the thread guide assembly 7 is arranged away.
  • the force transmitter 17 have a direction of force, which is directed radially relative to the axis X of the warping drum or the axis X of the gate.
  • the entire carrier profile 12 is supported via corresponding force transmitter 17 on the circumference of the warping drum 2.
  • a plurality of conveyor belts 8a, 8b are arranged on the circumference of the warping drum 2. It can now be provided that only every second conveyor belt 8a is displaceable in the direction of the axis of the warping drum 2. Between two displaceable conveyor belts 8a is then so a conveyor belt 8b, which remains stationary in the radial direction. As will be explained below, this avoids movement of circumferentially wound yarns on the conveyor belts 8a, 8b as the displaceable conveyor belts 8a are displaced radially inwardly.
  • the threads are wound on the circumference of the warping drum 2 with the aid of the thread guide arrangement 7 and deposited there on the conveyor belts 8a, 8b. If a so-called “band”, ie a predetermined number of simultaneously wound threads, has been completed, the conveyor belts 8a, 8b are moved so that their radially outer run, ie the transport surface 8, from the end face on which the thread guide assembly. 7 is arranged to be moved away.
  • the friction can be reduced automatically and, so to speak, in a self-regulating manner. If the force resulting from the tension of the wound threads, the force of the pressure transducer 17th exceeds, then the displaceable conveyor belt 8a is displaced radially inwardly with the support surface 14, ie to the axis of the warping drum 2 to. This reduces the radius of a polygon, which is spanned by the conveyor belts 8a, 8b, something and thus at the same time the circumference of this polygon. The wound threads can therefore relax a bit. Your tension drops. This also reduces the force acting on the conveyor belts 8a, 8b and, accordingly, the friction between the conveyor belts 8a, 8b and the support surfaces 14.
  • the support surface 14 can again be moved radially inwardly with the displaceable conveyor belt 8a, so that the threads can relax again.
  • the displacement movement of the conveyor belt 8a is hereby very small. It is 1 mm or even less than 1 mm.
  • the structure of the coil formed by the wound threads is not affected thereby.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Treatment Of Fiber Materials (AREA)
EP15163189.2A 2015-04-10 2015-04-10 Musterkettenschärmaschine Active EP3078770B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP15163189.2A EP3078770B1 (de) 2015-04-10 2015-04-10 Musterkettenschärmaschine
ES15163189.2T ES2631402T3 (es) 2015-04-10 2015-04-10 Máquina urdidora de patrones
TW104137198A TWI643990B (zh) 2015-04-10 2015-11-11 區段經紗取樣機
JP2015233204A JP6158901B2 (ja) 2015-04-10 2015-11-30 部分整経サンプリング機
CN201510861498.5A CN106048825B (zh) 2015-04-10 2015-12-01 提花链整经机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15163189.2A EP3078770B1 (de) 2015-04-10 2015-04-10 Musterkettenschärmaschine

Publications (2)

Publication Number Publication Date
EP3078770A1 EP3078770A1 (de) 2016-10-12
EP3078770B1 true EP3078770B1 (de) 2017-05-31

Family

ID=52824130

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15163189.2A Active EP3078770B1 (de) 2015-04-10 2015-04-10 Musterkettenschärmaschine

Country Status (5)

Country Link
EP (1) EP3078770B1 (zh)
JP (1) JP6158901B2 (zh)
CN (1) CN106048825B (zh)
ES (1) ES2631402T3 (zh)
TW (1) TWI643990B (zh)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES295536A1 (es) * 1964-01-11 1964-03-01 Tous Guasch Jose Antonio Aparato urdidor-encolador de producciën continua para cinteria
JP3416463B2 (ja) * 1997-06-03 2003-06-16 有限会社スズキワーパー 糸交換機構付電子制御サンプル整経機
JP3420526B2 (ja) * 1999-04-07 2003-06-23 有限会社スズキワーパー 電子制御サンプル整経機
ITFI20010006A1 (it) * 2001-01-09 2001-04-09 Age S N C Di Vieri A & C Orditoio perfezionato ad un metodo di orditura
CN101065524B (zh) * 2004-11-25 2010-08-18 卡尔迈尔纺织机械制造股份公司 将由纱线组成的条带卷绕到绕旋转轴线旋转的卷绕体上的方法和装置
EP1930489B1 (de) 2006-12-09 2009-11-11 KARL MAYER TEXTILMASCHINENFABRIK GmbH Musterkettenschärmaschine und Verfahren zum Erzeugen einer Musterkette
EP2239356B1 (de) * 2009-04-08 2011-06-01 Karl Mayer Textilmaschinenfabrik GmbH Musterkettenschärmaschine und Verfahren zum Betreiben einer Musterkettenschärmaschine
EP2540883B1 (de) * 2011-06-28 2013-08-07 Karl Mayer Textilmaschinenfabrik GmbH Musterkettenschärmaschine
EP2540882B1 (de) * 2011-06-28 2013-09-18 Karl Mayer Textilmaschinenfabrik GmbH Musterkettenschärmaschine

Also Published As

Publication number Publication date
EP3078770A1 (de) 2016-10-12
TW201636467A (zh) 2016-10-16
CN106048825A (zh) 2016-10-26
CN106048825B (zh) 2018-10-19
ES2631402T3 (es) 2017-08-30
JP2016199840A (ja) 2016-12-01
JP6158901B2 (ja) 2017-07-05
TWI643990B (zh) 2018-12-11

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