EP1918434B1 - Ourdissoir d'échantillonnage - Google Patents

Ourdissoir d'échantillonnage Download PDF

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Publication number
EP1918434B1
EP1918434B1 EP20060022904 EP06022904A EP1918434B1 EP 1918434 B1 EP1918434 B1 EP 1918434B1 EP 20060022904 EP20060022904 EP 20060022904 EP 06022904 A EP06022904 A EP 06022904A EP 1918434 B1 EP1918434 B1 EP 1918434B1
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EP
European Patent Office
Prior art keywords
rods
machine according
thread
crossing
rod
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
EP20060022904
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German (de)
English (en)
Other versions
EP1918434A1 (fr
Inventor
Jürgen Hohm
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
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Publication date
Application filed by Karl Mayer Textilmaschinenfabrik GmbH filed Critical Karl Mayer Textilmaschinenfabrik GmbH
Priority to DE200650002522 priority Critical patent/DE502006002522D1/de
Priority to EP20060022904 priority patent/EP1918434B1/fr
Priority to JP2007286204A priority patent/JP2008115523A/ja
Publication of EP1918434A1 publication Critical patent/EP1918434A1/fr
Application granted granted Critical
Publication of EP1918434B1 publication Critical patent/EP1918434B1/fr
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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, a movable parallel to the axis of the warping drum transport surface arrangement on the circumference of the warping drum, a plurality of sub-rods and a yarn guide assembly.
  • Such a sample warper is off EP 1 520 920 A2 known.
  • a pattern warping machine is used to make a pattern string, which is sometimes referred to as a "short chain".
  • a pattern chain To produce the pattern chain, one or more threads are wound around the circumference of the warping drum in the region of the end face of the warping drum. Each thread is placed around the circumference of the warping drum until the desired length of pattern chain is reached. Usually, the thread is placed offset slightly from the front side with each turn, so that a winding with a cone-shaped end face arises. The transport surface assembly then moves this wrap away from the face to make room for subsequent threads.
  • part rods are used, which have the function of cutting bars.
  • part bars which serve as cross bars.
  • the threads are arranged alternately radially outside and radially inside a partial rod. If you want to create a sizing division, then the sub-rods are used as simple rods in which each n-th thread radially inside and the other threads are arranged radially outside of these sub-rods. As a rule, one must use several of these functions when creating a pattern chain.
  • the warping drum is held at one end to a stand.
  • This stand which is formed in the simplest case as a cuboid box, also carries the part rods. Accordingly, most known warping drums have flattened sides. In the area of these flats then the part rods are arranged.
  • the transport surface arrangement is located in the region of the rounded sides. This results in that the threads during winding relative to the circumference of the warping drum partially guided relatively far radially inward must be so that they come to lie correctly under the appropriate sub-bars. This complicates the warping process, ie the winding of the threads on the warping drum.
  • the invention has for its object to simplify the warping process.
  • the tangents at the positions at which these partial rods are arranged form an angle with each other. These do not have to be adjacent partial bars. But it is also not the part rods which are arranged on opposite sides of the warping drum, but to part rods on one side, in particular a vertical half. The fact that you are no longer limited to arrange all the sub-rods in one or two levels, as has been the case, you have a greater freedom in the arrangement of the sub-rods. It is now possible to better adapt the position of the part rods to the movement path of the thread guide arrangement. Thus, the motion control for the threads and thus the sharpening process is simplified.
  • the warping drum is circular in cross section. This follows the scope of the Warping drum of the trajectory of the yarn guide assembly.
  • the circular shape is usually approximated by a polygon. Such a polygon shape should also fall under the term "circular shape”.
  • the warping drum is also homogeneous in such a polygonal circular shape, which makes a positive impact on the one hand when winding the threads, on the other hand, but also when unwinding the finished pattern chain of the warping drum. It is much easier to avoid imbalances.
  • all sub-rods with matching axial position of their ends on the same radial distance from the axis of the warping drum Preferably, all sub-rods with matching axial position of their ends on the same radial distance from the axis of the warping drum.
  • two types of partial bars are used, namely a first type of partial bars, which act on the beginning of the forming coil, and a second type of partial bars, which act on the end of the forming coil.
  • the partial rods of the first type are therefore radially further inward and the partial rods of the second type are arranged radially further out, wherein the radial distance corresponds approximately to the thickness of the forming coil. Since the winding is formed with a conical end face, the ends of these partial rods are correspondingly offset in the axial direction to each other.
  • the yarn guide assembly has at least one yarn guide, with which the free end of at least one partial rod is controlled umfahrbar. So you used the yarn guide assembly to position the thread either radially outside or radially within the sub-rod. If one passes the thread in front of the free end of the partial rod, that deposits in the area between the free end and the front side of the warping drum on the transport surface arrangement, then the yarn comes to lie radially below the partial rod. If you put the thread accordingly on the other side of the free end of the partial rod, then the thread comes to lie radially outside of the partial rod. By axial positioning of the threads in the region of each partial rod can thus be controlled whether the thread is on or below the corresponding part of the bar.
  • At least one partial rod is formed as a passive partial rod.
  • the passive sub-rod thus has no moving elements. He may have an angle to part rod projecting fishing tip, which prevents a once applied thread from sliding down the part of the rod. But it is not necessary that this catch finger is designed to be movable to "catch" the corresponding thread.
  • the use of a passive sub-rod reduces manufacturing costs and also simplifies operation. Since the partial rod must be released from the warping drum when removing the finished pattern chain, it is sufficient to have a mechanical connection to solve. There are no connections to be solved, which serve to control moving parts of the sub-rod.
  • the transport surface arrangement comprises a plurality of conveyor belts and in the direction of rotation of the yarn guide arrangement, each partial bar is arranged directly behind a conveyor belt. So you can use the conveyor belt to fix the course of the thread in the area of the partial rod. If the thread is placed on the conveyor belt, then he holds there with a relatively good friction. This friction is desirable so that the conveyor belt can shift the coil away from the end face. A correspondingly large friction with a partial rod, however, is undesirable.
  • the partial rods are stationary during archiving, at least in the axial direction, so that the threads must slide over the part rods away.
  • the yarn guide performs a partial bar end-Umfahrterrorism before he crosses the sub-rod upstream in the direction of transport conveyor belt.
  • the position of the thread with respect to the part of the rod end is thus already set before the thread leaves the conveyor belt, preferably even before the thread is placed on the conveyor belt.
  • the conveyor belts in the circumferential direction of the warping drum at a distance from each other, in which a yarn inlet and a thread run at an angle of not more than 30 °, in particular of 25 °.
  • the conveyor belts are so evenly distributed around the circumference of the warping drum, that none of the conveyor belts on its longitudinal edge with an overly high thread tension is applied. Rather, the thread tension is largely uniformly distributed to all conveyor belts.
  • a uniform distribution has a favorable effect on the service life of the individual parts.
  • the driving of the conveyor belts is simplified. All conveyor belts can be moved more or less with the same drive power.
  • a uniform distribution of tension has a positive effect on the quality of the chain, especially with large warp lengths and thread tensions. In the existing four "corner tapes" could be seen under circumstances footprints on the threads. In extreme cases, the friction of the guides in the archipelago here was so great that the threads tore at these sites during the excavation.
  • the conveyor belts in the circumferential direction with the exception of a distance bridging a V-neck the same distance from each other.
  • the conveyor belts are thus distributed substantially uniformly on the circumference of the warping drum, except for the above-mentioned V-neck. This also serves to equalize the load on the conveyor belts and to increase the life of the warping drum.
  • the partial rods are attached to the warping drum.
  • Fig. 1 shows a schematic representation of a sample warping machine 1 with a warping drum 2, which is mounted on a stand 3 by means of a shaft 4, wherein the stator 3 is connected to a base 5.
  • Fig. 2 shows the warping drum 2 in end view, wherein in Fig. 1 for reasons of clarity, some elements of the warping drum 2 have been omitted, as will be explained below.
  • a yarn guide assembly 6 On the side facing away from the stator 3 side of the warping drum 2, a yarn guide assembly 6 is provided which has a plurality of yarn guides 7. Each yarn guide 7 is arranged at the radially outer end of a spoke 8, wherein the spokes 8 are fixed to a shaft 9 which is arranged coaxially with the axis 10 of the warping drum 2.
  • a rotary gate 10 On the shaft 9 is also a rotary gate 10 with a plurality of bobbins 11, wherein from each bobbin 11, a thread 12 withdrawn and each a yarn guide 7 is supplied.
  • the rotary gate 10 is mounted on a stand 13.
  • a not shown motor drive can rotate the coils 11 about the axis 10 of the warping drum 2.
  • a plurality of conveyor belts 14 are arranged, on which the yarn guides 7 store the threads 12.
  • the filaments are deposited in the area of the end face on which the rotary gate 10 is also arranged.
  • the conveyor belts 14 are moved to remove the winding 15 formed by the winding of the threads 12 from this end face.
  • the warping drum 2 has a substantially circular cross-section, which, however, is approximated by a polygon.
  • a conveyor belt 14 is arranged at each corner of the polygon.
  • the angle at which the threads 12 accumulate on the conveyor belts 14 and with which they run off the conveyor belts 14, is in all conveyor belts 14 in the order of 10 ° to 20 °.
  • An exception is a V-shaped cutout 16, in which the threads 12 have to bridge a greater distance between two conveyor belts 14.
  • the edge pressure can be reduced by using two V-bars 30, 31.
  • conveyor belts 14 are distributed substantially uniformly around the circumference of the warping drum 2. Their distance from one another is substantially the same, with the exception of the distance between two conveyor belts 14a, 14b, which are adjacent to the V-neck 16.
  • Partial rods 17-29 are arranged between some conveyor belts 14, wherein for reasons of clarity in FIG Fig. 1 the part bars 17, 19, 20 and 24 are shown, while the remaining part bars have been omitted.
  • the part bars have different functions. Usually they are referred to as cross, cutting or sizing rods, depending on their function. However, to simplify the following explanation, the term "partial bar" is used uniformly.
  • the partial rods 17-29 are respectively at positions on the circumference of the warping drum. 2 arranged, whose tangents enclose an angle with each other. So you can use a relatively large part of the circumference of the warping drum 2 to 17-29 to arrange the partial rods. This range is more than 150 ° of the circumference, in the present case even more than 180 ° of the circumference. Thus, there are on each vertical half of the warping drum part bars, which are arranged on sections whose tangents include more than 45 °. In the sub-rods 17, 20, it is about 85 °.
  • the sub-rods 17-29 can be arranged with a relatively large distance relative to each other, so that the control of the movement of the threads 12 is simplified in order to position them correctly on or store under the individual sub-rods 17-29.
  • Fig. 2 It can be seen that between two conveyor belts two partial bars 18, 24 and 19, 25 or 21, 26 and 22, 27 are arranged. Each partial rod of a pair is arranged at different radial positions with respect to the warping drum 2. How out Fig. 1 can be seen, the radially outer part of the rods 24 have an axial end, which is farther away from the rotary gate 10 than the axial end of the radially further inside of the sub-rods 19-23. This can be explained by the fact that the partial rods 19-23 act on the threads 12 when the threads 12 are wound around the circumference of the warping drum 2 with the first turn.
  • the other part rods 24-28 act on the end, that is, the radially outermost layers of the thread 12, in other words on the outer layer of the coil 15. Accordingly, one can say in short, that between two adjacent conveyor belts only a partial rod of a function is arranged.
  • the movement of the threads 12 is controlled exclusively by the thread guides 7. These are pivotable about an axis 30 of the spokes 8, to which a motor drive 31 is provided. This makes it possible to store the threads 12 either closer to the free end face of the warping drum 2 or at a greater distance to the free end face of the warping drum 2. It is therefore also possible to guide the threads 12 past the free end of the partial rods 17-29 or to place the threads 12 on the partial rods 17-29.
  • the sub-rods 17-29 may be formed as passive part rods, in which no moving elements are present.
  • each partial rod has a fishing tip 32.
  • this fishing tip 32 is rigidly attached to the part of rod 17 and only prevents a once applied thread 12 does not slip off the part of rod 17.
  • the fishing tip 32 is detachably mounted on the partial rod 17-29, so that it can be removed from the finished chain before pulling out the partial rods 17-29 ,
  • partial rods 17-29 are formed as passive part rods, they need no control or control information more. So it's possible, as in Fig. 1 is shown that the partial rods 17-29 are attached to the warping drum 2.
  • the so-called endlessly wound yarns 12 (a yarn breakage due to a pattern change should be disregarded here) are severed to form a start and an end of the pattern warp.
  • the pattern chain thus formed is then withdrawn from the warper drum 2 and wound on a Facilitinides. In this case, you can unwind a piece of the parts of the warping drum 2 detached 17-29, so remove from the warping drum. Once the section bars 17-29 have been removed from the warper drum, one can reduce the tension in the portion of the pattern chain containing the respective section bar 17-29 to facilitate extraction of the section bars 17-29.
  • the corresponding yarn guide 7 is already pivoted to the desired position prior to reaching the conveyor belt 14 preceding the yarn guide 17. If the thread 12 then passes through the sub-rod 17, it is held by the conveyor belt 14, so that a very accurate positioning of the thread relative to the sub-rod 17 is possible. The same applies, of course, in a corresponding manner for the remaining part bars 18-29 and the conveyor belts 14 associated with these dividing bars. In that the control of the thread movement, in particular the grasping of the threads 12 by the dividing bars 17-29, is no longer effected by the dividing bars 17, but by the yarn guide 7, the number of simultaneously usable yarn guide 7 is theoretically not limited to the top.
  • the individual yarn guides 7 have enough time between the individual partial bars 17-29 to perform the corresponding displacement movements. Accordingly, the rotational speed of the yarn guide 7 can be selected to be relatively high.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)

Claims (11)

  1. Ourdissoir d'échantillonnage (1) comprenant un tambour d'ourdissoir (2), un agencement de surface de transport sur la périphérie du tambour d'ourdissoir (2), déplaçable parallèlement à l'axe (40) du tambour d'ourdissoir (2), plusieurs barres partielles (17-29) et un agencement de guide-fil (6), caractérisé en ce qu'au moins deux barres partielles (17-29) sont disposées dans des positions périphériques sur une moitié du tambour d'ourdissoir (2), dont les tangentes s'étendent suivant un angle d'au moins 45° les unes par rapport aux autres.
  2. Ourdissoir selon la revendication 1, caractérisé en ce que le tambour d'ourdissoir (2) est réalisé sous forme circulaire en section transversale.
  3. Ourdissoir selon la revendication 1 ou 2, caractérisé en ce que toutes les barres partielles (17-29), avec une position axiale de leurs extrémités en coïncidence, présentent la même distance radiale à l'axe (40) du tambour d'ourdissoir (2).
  4. Ourdissoir selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'agencement de guide-fil (6) présente au moins un guide-fil (7) avec lequel l'extrémité libre d'au moins une barre partielle (17-29) peut être contournée de manière commandée.
  5. Ourdissoir selon la revendication 4, caractérisé en ce que l'au moins une barre partielle (17-29) est réalisée sous forme de barre partielle passive.
  6. Ourdissoir selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'agencement de surface de transport présente plusieurs bandes de transport (14) et, dans la direction périphérique de l'agencement de guide-fil (6), chaque barre partielle (17-29) est disposée directement derrière une bande de transport (14).
  7. Ourdissoir selon la revendication 6, caractérisé en ce que le guide-fil (7) effectue un mouvement de contournement de l'extrémité de la barre partielle, avant de traverser la bande de transport (14) montée en amont de la barre partielle dans le sens périphérique.
  8. Ourdissoir selon la revendication 6 ou 7, caractérisé en ce que les bandes de transport (14) présentent, dans la direction périphérique du tambour d'ourdissoir (2), une distance l'une par rapport à l'autre à laquelle une entrée de fil et une sortie de fil s'effectuent suivant un angle de 30° maximum, notamment de 25° maximum.
  9. Ourdissoir selon l'une quelconque des revendications 6 à 8, caractérisé en ce que les bandes de transport (14) présentent, dans la direction périphérique, à l'exception d'une distance surmontant une portion en V (16), la même distance l'une par rapport à l'autre.
  10. Ourdissoir selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les barres partielles (17-29) sont fixées sur le tambour d'ourdissoir (2).
  11. Ourdissoir selon l'une quelconque des revendications 1 à 10, caractérisé en ce que les barres partielles (17-29) sont réparties sur une région périphérique sur au moins 150°.
EP20060022904 2006-11-03 2006-11-03 Ourdissoir d'échantillonnage Active EP1918434B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE200650002522 DE502006002522D1 (de) 2006-11-03 2006-11-03 Musterkettenschärmaschine
EP20060022904 EP1918434B1 (fr) 2006-11-03 2006-11-03 Ourdissoir d'échantillonnage
JP2007286204A JP2008115523A (ja) 2006-11-03 2007-11-02 柄経糸用部分整経機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20060022904 EP1918434B1 (fr) 2006-11-03 2006-11-03 Ourdissoir d'échantillonnage

Publications (2)

Publication Number Publication Date
EP1918434A1 EP1918434A1 (fr) 2008-05-07
EP1918434B1 true EP1918434B1 (fr) 2008-12-31

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ID=37882097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060022904 Active EP1918434B1 (fr) 2006-11-03 2006-11-03 Ourdissoir d'échantillonnage

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EP (1) EP1918434B1 (fr)
JP (1) JP2008115523A (fr)
DE (1) DE502006002522D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2540884B1 (fr) * 2011-06-28 2013-07-31 Karl Mayer Textilmaschinenfabrik GmbH Ourdissoir d'échantillonnage
CN103510230A (zh) * 2012-06-20 2014-01-15 吴江市金真缝纫机有限公司 一种固定式筒子架
CN105386185B (zh) * 2015-11-24 2017-08-08 山西江淮重工有限责任公司 整经机转鼓磨削机构

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19717443C1 (de) * 1997-04-25 1999-01-14 Mayer Textilmaschf Verfahren zur Herstellung einer Kurzkette und Einzelfaden-Kurzketten-Schärmaschine zur Durchführung des Verfahrens
DE10061490C1 (de) * 2000-12-09 2001-11-29 Mayer Textilmaschf Verfahren zum Erzeugen einer Musterkette und Musterketten-Schärmaschine
JP3954554B2 (ja) * 2003-10-02 2007-08-08 有限会社スズキワーパー 直列ヤーンガイド機構付サンプル整経機及び整経方法
EP1836334B1 (fr) * 2004-11-25 2010-01-13 Karl Mayer Textilmaschinen AG Procede et dispositif pour bobiner une bande composee d'une pluralite de fils sur un corps de bobinage tournant autour d'un axe de rotation

Also Published As

Publication number Publication date
JP2008115523A (ja) 2008-05-22
EP1918434A1 (fr) 2008-05-07
DE502006002522D1 (de) 2009-02-12

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