EP3141642A1 - Loom for producing woven goods with incorporated knitting or covering threads - Google Patents

Abstract

In order to provide a weaving loom with incorporated knitting threads, it is proposed that the corresponding device for incorporating knitting threads for each knitting thread a feeding device for the knitting thread, for each knitting thread between a warp threads (2, 3) in the shed until below the entry path of the weft insertion device ( 7) has a submergible Lochnadelstecher (4) with a Fadenführungsöse. Each of the Lochnadelstecher (4) is arranged transversely to the warp direction, whereby it can be moved across the width of the woven good away. There is further provided a comb shaft (10) having a plurality of teeth with spaces therebetween for guiding the knitting yarns. The comb shaft (10) which is displaceable transversely to the warp direction and rotatable about an axis in the direction of the rail is arranged transversely to the warp direction behind the abutment position of the reed. The teeth of the comb shaft have projections which are formed so that the teeth can hold the knitting threads in at least one rotational position of the comb shaft.

Description

Technical area

The invention relates to a loom for the production of woven fabric with incorporated knitting or Legefäden.

State of the art

A weaving machine of the type mentioned is from the CH 490 541 known. There fastening threads are arranged by means of feeding needles during the weaving of a band. There are no indications to find how the needle loom could advantageously perform the incorporation of knitting or Legefäden. A similar technology became independent in the US 3 796 234 A disclosed.

From the WO 2007/071077 A1 It is known to incorporate a conductor thread in a variety of ways by the supply needle is arranged on a transversely oriented to the warp shaft, which is connected to a first drive device for performing a pivotal movement of the shaft and further with a second drive device for moving in the axial direction. The engraver dives by pivoting in the shed on and off. This allows the engraver across the width of the Webgutes, in the case of WO 2007/071077 A1 of a tape, to be taken away.

From the JP 2005/015954 A For example, there is known a weaving machine for weaving in an effect thread which can be worked into the ground fabric. The loom of the JP 2005/015954 A is equipped with a warp shed forming apparatus which allows individual warp yarns to be selected. The effect thread is a selected, additional warp thread. Both the effect thread and additional warp threads are guided within the shed. This has the consequence that the effect threads of the warp, which is supplied from above the additional warp threads and the selected effect thread, are tied off from these warp threads during a transverse movement of the effect threads. That means the effect threads not be attached above the base fabric, but become part of the base fabric and thus change the structure.

From the EP 2 395 140 A1 a weaving machine is known, which by means of a Kettlegevorrichtung, which is laterally about one or more warp threads of the base fabric movable and thus able to bind additional threads, there called Legefäden, bind to the base fabric. For certain applications, the loom is the EP 2 395 140 A1 probably suitable, especially in the in EP 2 395 140 A1 mentioned applications. However, it appears necessary in certain applications, on the one hand to relieve the additional threads, so the Legefäden the EP 2 395 140 A1 and, on the other hand, to achieve greater flexibility of the weaving machine, in particular with several additional threads, to take measures to enable a clean action or laying of the additional threads. In the EP 2 395 140 A1 is a retention hook - originally also called Stecher, but has nothing to do with the engraver here and in the further mentioned, since he lacks the connection to the additional thread - proposed, but because of its low flexibility only for an additional thread (laying thread) suitable is.

From the WO 2013/107571 A2 is a weaving machine with a device for forming additional impact effects known, but which has proved to be disadvantageous and their disadvantages to overcome the object of the invention. In the WO 2013/107571 A2 Namely, it is proposed that in the vertical and in the weft direction displaceable guide needles between the reed and shedding device are arranged, which can bring effect threads into the lower compartment, so that the weft insertion element can move through the effect thread loop formed thereby. A first fundamental disadvantage of this device is that the effect thread loops are getting smaller, the larger the shift strokes of the guide needles in the weft direction. The weft insertion element can then no longer reliably or not at all move through the effect yarn loops. A second fundamental disadvantage is that the reed is open at the top and the upper frame of the reed is missing. The reed teeth As a result, even in the case of a small force acting in the weft direction, this can bend, which leads to warp density differences in the fabric.

Presentation of the invention

The object of the invention is to provide a loom, which is suitable for the production of woven fabric with incorporated knitting or Legefäden.

The object is achieved by the machine according to claim 1 in the loom mentioned above. The measures of the invention initially have the consequence that several threads - in the following they are called knitting threads - in the weft direction - can be tied off. Furthermore, the setting on the fabric side of the tape fabric is not or hardly visible. Here is the machine - in contrast to the weaving machine JP 2005/015954 A - able to incorporate a thread without noticeably altering the weaving material. By the measure of the invention it is possible that the additional threads do not become part of the basic fabric. Thus, the main disadvantage of JP 2005/015954 A avoided.

Opposite the loom of the EP 2 395 140 A1 - Also with retaining hooks - the loom according to the present invention has the advantage of greater flexibility. Due to the interaction of the engraver with a Fadenführungsöse, so between the warp threads from above dipping hole needle, with the comb shaft with a plurality of teeth with intervening spaces just a much greater flexibility is achieved than in the weaving machine EP 2 395 140 A1 , Moreover, by the measures of the invention on the Kettlegevorrichtung the loom of EP 2 395 140 A1 be dispensed with, since the additionally laid threads are not occupied by means of additional warp threads, but introduced by means of the engraver with a Fadenführungsöse, so be acted upon. It will be apparent to those skilled in the art that the measures of the invention achieve its advantage in particular in that the comb shaft with a plurality of teeth with intermediate spaces is not only rotatable about its own axis as in the EP 2 395 140 A1 , but also laterally displaceable and in addition is provided with means, preferably at the teeth has projections which are formed so that the teeth can hold the knitting threads in at least one position of Kammwellendrehung, but in another position of Kammwellendrehung release. Thus, in particular, the disadvantages of WO 2013/107571 A2 surmountable. It should be apparent to those skilled in the art that the interaction of the comb shaft with the defined in claim 1 movement or mobility of Lochnadelstecher means of the above means, in particular the projections on the comb shaft enable it practically practical, the teeth are the knitting threads in to be able to hold at least one position of the comb shaft, but release in another axial position. Essential to the invention, but at least fiction-promoting is just the embodiment of the comb shaft: The incorporated threads are kept in a rotational position of the comb until the weft insertion member has reliably moved through the knitting loop. The knitting thread would jump down there from the teeth of the comb shaft if protrusions or noses on the tooth tip would not hold it back. The knitting thread would then suddenly come to lie diagonally across the chain and the knitting needle loop formed by the needle would be so small that the weft insertion can not move through reliable.

Advantageous embodiments of the loom are described in the dependent claims.

Advantageous in the sense of a simple embodiment, it is when the teeth of the device for incorporation in a fixed, preferably the same distance are arranged side by side. In this case, two or more Lochnadelstecher can be arranged side by side, so that two or more knitting threads, which must - at more than two by no means have the same distance - can be acted almost coherent. But it is also possible to arrange two or more Lochnadelstecher one behind the other, so that two or more knitting threads, can be acted completely independently of each other. These two measures can be linked together become. By both side by side and in succession Lochnadelstecher be arranged.

Of course, the invention can also be used so that only a Lochnadelstecher is activated, his eyelet is thus loaded with a thread.

The abovementioned embodiments initially relate to ribbon looms, for example with a weft needle. On wider weaving machines, the technique according to the invention can advantageously be used by providing a weft or, quite conventionally, a shuttle as weft insertion means.

The above-mentioned, as well as the claimed and described in the following embodiments, according to the invention to be used elements are subject to their size, shape design, material usage and their technical conception no special conditions of exception, so that the well-known in the respective field of application selection criteria can apply without restriction.

Brief description of the drawings

Figur 1

eine Webmaschine in perspektivischer Ansicht, gemäss eines ersten Ausführungsbeispiels der vorliegenden Erfindung, quasi in Ruheposition;

Figur 2

Die Webmaschine gemäss Figur 1, wobei die Kammwelle und der Lochnadelstecher gegenüber Figur 1 bereits verfahren ist;

Figur 3

Die Webmaschine gemäss Figur 1, wobei ein Unterfach und ein Oberfach ausgebildet ist und der Lochnadelstecher zur Kammwelle bewegt wird;

Figur 4

Die Webmaschine gemäss Figur 1, wobei das Webblatt sich vom Anschlag entfernt, der Lochnadelstecher bereit ist einzutauchen und die Kammwelle um ca. 80° um ihre Achse gedreht ist; die Schussnadel ist bereits dem Bereich zwischen Oberfach und Unterfach angenähert;

Figur 5

Die Webmaschine gemäss Figur 1, wobei das Webblatt weiter vom Anschlag entfernt ist, der Lochnadelstecher bereits eingetaucht ist;

Figur 6

Die Webmaschine gemäss Figur 1, wobei das Webblatt noch weiter vom Anschlag entfernt ist, der Lochnadelstecher bereits unter die Ebene der Schussnadel eingetaucht ist;

Figur 7

Die Webmaschine gemäss Figur 1, wobei der Schussfaden die Wirknadel zum Abbinden der Webkante erreicht hat;

Figur 8

Die Webmaschine gemäss Figur 1, wobei das Webblatt sich wieder zum Anschlag hin bewegt, die Wirknadel zum Abbinden der Webkante den Schussfaden hält, die Schussnadel wieder aus dem Webfach herausfährt und der Lochnadelstecher sich wieder anhebt;

Figur 9

Die Webmaschine gemäss Figur 1, wobei das Webblatt sich weiter zum Anschlag hin bewegt, die Wirknadel zum Abbinden der Webkante den Schussfaden abgebunden hat, die Schussnadel wieder aus dem Webfach herausgefahren ist und der Lochnadelstecher sich wieder oberhalb des Webfaches befindet;

Figur 10

die zur der Webmaschine gemäss den Figuren 1 bis 9 gehörende Kammwelle mit den Zähnen nach oben;

Figur 11

die zur der Webmaschine gemäss den Figuren 1 bis 9 gehörende Kammwelle mit den Zähnen nach hinten;

Figur 12

Eine Webmaschine, ähnlich wie die Webmaschine in Figur 1 bis 9, in erspektivischer Ansicht, wobei vier hintereinander angeordnete Stecher mit Lochöse dargestellt sind, im Ruhezustand, dargestellt mit einem zusätzlichen Wirkfaden;

Figur 13

Die Webmaschine gemäss Figur 12, wobei ein Lochnadelstecher bei ausgebildetem Webfach bereit ist zum Eintauchen;

Figur 14

Die Webmaschine gemäss Figur 12, wobei ein Lochnadelstecher in das Webfach eingetaucht ist und den Wirkfaden einbringt;

Figur 15

Die Webmaschine gemäss Figur 12, in Ruhestellung, in schematischer Darstellung von der Seite;

Figur 16

Die Webmaschine gemäss Figur 14, wobei ein Stecher in das Webfach eingetaucht ist und den Wirkfaden einbringt, in schematischer Darstellung von der Seite;

Figur 17

Eine Webmaschine gemäss einem weiteren Ausführungsbeispiel der vorliegenden Erfindung, bei der zwei Legeschienen zum Weben von zwei nebeneinander liegenden Bändern dargestellt sind, wobei jede der Legeschienen einen, jeweils einer Kammwelle zugeordneten Dreifachstecher aufweist, um so auf jedem der Bänder drei in festem Abstand angeordneten Applikationen einzuwirken;

Figur 18

eine typische Applikation, die mit einer Webmaschine gemäss Figur 17 hergestellt wurde;

Figur 19

eine Darstellung der Funktion der Kammwelle, von der Seite und

Figur 20

eine Darstellung nach Figur 19, von oben.

Embodiments of the weaving machine are described in more detail below with reference to the drawings, in which:

FIG. 1

a loom in a perspective view, according to a first embodiment of the present invention, quasi in rest position;

FIG. 2

The loom according to FIG. 1 , with the comb shaft and the Lochnadelstecher opposite FIG. 1 already proceeded;

FIG. 3

The loom according to FIG. 1 wherein a lower compartment and a upper compartment is formed and the Lochnadelstecher is moved to the comb shaft;

FIG. 4

The loom according to FIG. 1 with the reed away from the stop, the pierce needle punch ready to dip and the comb shaft rotated about 80 ° about its axis; the weft needle is already approximated to the area between the upper compartment and the lower compartment;

FIG. 5

The loom according to FIG. 1 with the reed further away from the fence, the pierce needle punch is already submerged;

FIG. 6

The loom according to FIG. 1 with the reed further away from the stop, the pierce needle piercer is already submerged below the level of the weft needle;

FIG. 7

The loom according to FIG. 1 wherein the weft thread has reached the knitting needle for setting the selvedge;

FIG. 8

The loom according to FIG. 1 wherein the reed moves back to the stop, the knitting needle for setting the selvedge holds the weft, the weft needle moves back out of the shed and the Lochnadelstecher raises again;

FIG. 9

The loom according to FIG. 1 wherein the reed continues to move towards the stop, the knitting needle for setting the selvedge has set the weft, the weft needle has moved out of the shed and the Lochnadelstecher is again above the shed;

FIG. 10

to the weaving machine according to the FIGS. 1 to 9 belonging comb shaft with the teeth upwards;

FIG. 11

to the weaving machine according to the FIGS. 1 to 9 belonging comb shaft with the teeth to the rear;

FIG. 12

A loom, similar to the loom in Figure 1 to 9 , in perspective view, with four consecutively arranged engraver are shown with eyelet, at rest, shown with an additional knitting thread;

FIG. 13

The loom according to FIG. 12 wherein a Lochnadelstecher with trained shed is ready for immersion;

FIG. 14

The loom according to FIG. 12 wherein a piercing needle piercer is immersed in the shed and introduces the knitting thread;

FIG. 15

The loom according to FIG. 12 , at rest, in a schematic representation from the side;

FIG. 16

The loom according to FIG. 14 wherein a engraver is immersed in the shed and introduces the knitting thread, in a schematic representation from the side;

FIG. 17

A weaving machine according to another embodiment of the present invention, wherein two laying bars are shown for weaving two adjacent ribbons, each of the laying bars having a triple stitcher associated with each comb shaft so as to act on each of the three fixedly spaced applications ;

FIG. 18

a typical application with a weaving machine according to FIG. 17 was produced;

FIG. 19

a representation of the function of the comb shaft, from the side and

FIG. 20

a representation after FIG. 19 , from above.

Ways to carry out the invention

In the FIGS. 1 to 9 the operation of the device is described by way of example, in this example, only a Lochnadelstecher is activated, her eyelet is thus charged with a thread.

The in the FIGS. 1 to 9 loom shown is a needle loom, but it does not depend on the type of weft insertion. The needle loom comprises warp threads, which may form a lower shed and a upper shed, a weft needle with a weft thread, a Lochnadelstecher with a knitting or laying thread, a knitting needle for setting the selvedge and especially a comb shaft with projections for holding the knitting or drape and a Laying rail, wherein the comb shaft both laterally displaceable and - in the exemplary embodiment by 70 ° to 100 °, preferably about 70 ° - 80 ° is rotatable about its axis. FIG. 1 shows the loom quasi in rest position. This is indicated by the fact that no shed is formed. In FIG. 2 is the crest wave and the Lochnadelstecher opposite FIG. 1 already proceeded. In FIG. 3 is a sub-compartment and a top compartment is formed and the Lochnadelstecher has been moved to the comb shaft. In FIG. 4 the reed has moved away from the stop, the pierce needle punch is ready to dip and the comb shaft is rotated about 80 ° about its axis. The weft needle is already approximated to the area between the upper compartment and the lower compartment. In FIG. 5 the reed is further away from the fence and the pinhole pier is already submerged. In FIG. 6 the reed is even further from the stop and the pierce needle piercer is submerged below the level of the weft needle. In FIG. 7 the weft thread has reached the knitting needle for setting the selvage. In FIG. 8 the reed moves back to the stop, the knitting needle for setting the selvedge holds the weft, while the weft needle again moves out of the shed and the Lochnadelstecher raises again. With the state in FIG. 9 is the weft insertion, so a weaving completed. The reed moves towards the stop, the knitting needle for setting the selvedge has tied off the weft, the weft needle is moved out of the shed again and the Lochnadelstecher is again above the shed. It should be pointed out that the illustration according to the FIGS. 1 to 9 is a simplified representation in which - for clarity - only a Lochnadelstecher is shown. The rotatable comb shaft is in two different rotational positions in the FIGS. 10 and 11 seen.

A weaving machine, in which 4 successive Lochnadelstecher 4 are shown, is in FIG. 12 drawn and will be described here below. In Figure 12, this weaving machine is shown quasi at rest. In FIG. 13 then the weaving machine is ready to bring in the knitting or laying thread 6. The weft needle is still outside the already formed shed and the reed 1 in the starting position. The simplicity is shown here threaded only one of the Lochnadelstecher 4 with an active or Legefaden 6. In actual operation can - but need not - the other Lochnadelstecher 4 also be provided with a respective effect or Lefleaden 6. The comb shaft 10 is in a position in which it is ready to take the knitting or laying yarn 6 to take along. In FIG. 13 is the loom according to FIG. 12 shown at the time when the Lochnadelstecher is immersed in the shed and brings the knitting thread. The weft needle is passed through the shed. FIG. 15 shows the weaving machine from the side with immersed Lochnadelstecher 4, while FIG. 16 it shows in the state in which the sley 1 is posted, the Lochnadelstecher 4 again in the upper position and the comb shaft 10 is rotated so that it holds the active or Lefleaden 6 in a transverse movement of the guide rail. In the FIGS. 15 and 16 the embodiment of the guide rail is shown, which is arranged on a holder 14 and is rotatable about the guide rail axis 15 by means of a guide rail guide 1.

In FIG. 16 a weaving machine according to another embodiment of the present invention is shown, in which two guide rails for weaving two adjacent belts are shown, each of the guide rails having a, each of a comb shaft associated with triple stitcher, so on to act on each of the three three fixed spaced applications. In FIG. 18 Then a typical application 17 is shown, which was manufactured with such a weaving machine.

In FIG. 19 the function of the comb shaft 10 is shown. The comb shaft 10 is located on the side close to the stop line of the reed and is able to hold the knitting thread 6 by means of the projections 11 or - just by a rotation - release. The incorporated threads are held in a rotational position of the comb until the weft insertion member has reliably moved through the knitting thread loop. The knitting thread would - jump down there without the projections 11 of the teeth of the comb shaft if the projections 11 at the tooth tip would not hold him back. The knitting thread would then suddenly come to lie diagonally across the chain and the knitting needle loop formed by the needle would be so small that the weft insertion can not move reliably or not at all. This arrangement ensures process reliability and, in particular, spares the knitting thread, which should not be exposed to great loads, for example as an antenna thread. In FIG. 20 this relationship is again shown from above.

LIST OF REFERENCE NUMBERS

1

reed

2

Warp threads lower compartment

3

Warp threads Oberfach

4

Guide needle Stecher

5

weft

6

Active or laying thread

7

weft needle

8th

Woven tape with incorporated effects

9

Knitting needle for setting the selvedge

10

crest wave

11

Projections on the comb shaft

12

guide bar

13

Comb shaft axis

14

holder

15

Laying rail axis

16

Laying rail guide

17

Web product with triple application

Claims (9)

Weaving machine for producing woven fabric with incorporated knitting threads (6), with a shedding device for forming a shed of warp threads (2, 3) with at least a top shed and a shed, a weft insertion device (7) for inserting weft threads (5), a reed (1) for striking registered weft threads (5), - A device for incorporating at least two knitting threads (6), characterized in that the device for incorporating knitting threads for each knitting thread (6) comprises the following: a feeding device for the knitting thread (6), - For each knitting thread (6) between a warp threads (2, 3) in the shed until below the entry path of the weft insertion device (7) submersible Lochnadelstecher (4) with a thread guide eye for the knitting thread (6), - Each of the Lochnadelstecher (4) is arranged transversely to the warp direction, whereby each of the Lochnadelstecher (4) can be moved across the width of the Webgutes away, - A comb shaft (10) having a plurality of teeth with intermediate spaces for guiding the knitting threads (6), wherein the comb shaft (10) is arranged with a plurality of teeth transverse to the Kettfadenrichtung behind the stop position of the reed (1) a device for moving the comb shaft (10) transversely to the warp direction, further comprising means for rotating the comb shaft (10) about an axis in the direction of the comb shaft (10), - Wherein the teeth of the comb shaft (10) means, preferably projections (11) which are formed so that the teeth can hold the knitting threads (6) in at least one rotational position of the comb shaft (10). Loom according to claim 1, characterized in that the teeth of the comb shaft (10) in a fixed, preferably the same distance are arranged side by side. Weaving machine according to claim 1 or 2, characterized in that at least two Lochnadelstecher (4) are arranged side by side. Loom according to claim 3, characterized in that the at least two Lochnadelstecher (4) are arranged at a fixed distance next to each other. Weaving machine according to one of claims 1 to 4, characterized in that at least two Lochnadelstecher (4) are arranged one behind the other, wherein the successively arranged Lochnadelstecher (4) are independently transversely to the warp direction movable. Weaving machine according to one of claims 1 to 5, characterized in that the movement of the Lochnadelstechers in the weft direction is provided mechanically, pneumatically, electromechanically. Weaving machine according to one of claims 1 to 6, characterized in that the immersion movement of the Lochnadelstechers is provided mechanically, pneumatically, electromechanically. Weaving machine according to one of claims 1 to 7, characterized in that the movement of the comb shaft in the weft direction is provided mechanically, pneumatically, electromechanically. Weaving machine according to one of claims 1 to 8, characterized in that the rotary movement of the comb shaft is provided mechanically, pneumatically, electromechanically.

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