EP1869240A1 - Shuttle embroidery or stitching machine and needle for such machines - Google Patents

Shuttle embroidery or stitching machine and needle for such machines

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Publication number
EP1869240A1
EP1869240A1 EP06701090A EP06701090A EP1869240A1 EP 1869240 A1 EP1869240 A1 EP 1869240A1 EP 06701090 A EP06701090 A EP 06701090A EP 06701090 A EP06701090 A EP 06701090A EP 1869240 A1 EP1869240 A1 EP 1869240A1
Authority
EP
European Patent Office
Prior art keywords
needle
shuttle
eye
axis
degrees
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.)
Granted
Application number
EP06701090A
Other languages
German (de)
French (fr)
Other versions
EP1869240B1 (en
Inventor
Franz Lässer
Marcel Fetz
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.)
Laesser AG
Original Assignee
Laesser AG
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Filing date
Publication date
Application filed by Laesser AG filed Critical Laesser AG
Publication of EP1869240A1 publication Critical patent/EP1869240A1/en
Application granted granted Critical
Publication of EP1869240B1 publication Critical patent/EP1869240B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B55/00—Needle holders; Needle bars
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
    • D05C11/02—Machine needles
    • D05C11/04—Arrangements for fastening or inserting in bars or carriers
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
    • D05C11/02—Machine needles

Definitions

  • the invention relates to a Schiffchenstick- or quilting machine with Schiffchenbahneri forward and backward movable shuttle / needles with an eye for the needle thread, a reciprocable needle ruler or reciprocable needle rams and Befest Trentsur for fixing the needles on the needle ruler or the needle tines a certain orientation of the axis of the eye with respect to the shuttle.
  • Such machines have been manufactured for more than a hundred years and use a stitching process, the principle of which has remained virtually constant throughout this period.
  • the needle penetrates through the fabric to be embroidered, making a short backward movement so that a loop in the needle thread forms behind the fabric.
  • FIG. 1 shows how, in the known state of the art, the needle 11 with the needle thread 13 has formed a small loop 15 and the shuttle 17 grasps the loop 15 in its forward movement in the direction of the arrow 19 and then slips through the loop (FIG. Fig. 2) to allow an entanglement of the needle thread 13 with the shuttle thread 21.
  • this is achieved by aligning the axis of the eye of the needle at an acute angle to the advancing direction of the shuttle on the shuttle track in a boat embroidery machine or quilting machine of the type mentioned in the opening paragraph.
  • angle ⁇ of the inclination of the axis of the eye to the advancing direction of the shuttle can be about 55 to 70 degrees, preferably 60 degrees.
  • the needle has means by which the inclination of the axis of the eye to the shuttle track is determined when attaching the needle to the needle ruler or to the needle ram.
  • the means by which the inclination of the axis of the eye to the ship's path is determined when attaching the needle to the needle ruler or the needle ram, formed by a surface on the needle shaft and the fastening means for the needle are provided with a corresponding contact surface.
  • the invention also relates to a needle which is characterized in that it comprises means by which the inclination of the axis of the eye is determined at an acute angle to the advancing direction of the shuttle on the shuttle in fixing the needle to the needle ruler or to the ram. This angle is about 55 to 70 degrees, preferably 60 degrees.
  • Fig. 5 is an enlarged portion of Figure 4, wherein the orientation of the
  • Fig. 12 The attachment of the needle on a needle ruler.
  • Shuttle embroidery machines and quilting machines have on a Schiffchenbahn forward and backward movable shuttle, embroidery needles with an eye for the needle thread, one or more reciprocating needle rulers or a variety of needle tines for receiving the needles.
  • fastening means for fastening the needles on the needle ruler or the needle rams serve the special orientation of the axis of the eye with respect to the shuttle track.
  • the invention consists essentially in a different arrangement than previously used for the needle on the shuttle embroidery or quilting machine.
  • Embodiments of the invention are described below using the example of a shuttle embroidery machine with a shuttle arrangement according to the Saurer system and the Plauen system.
  • Figures 4 and 5 show the needle 11 with the needle thread 13 at a time after the passage of the needle through the fabric to be embroidered when the boat 17 slips through the loop 15 of the needle thread 13.
  • the axis 22 of the eyelet 23 is aligned at an acute angle ⁇ to the forward movement direction 19 of the ship's craft 17 on the shuttle 25.
  • the needle 11 has a circular shaft 27 with a surface 29 which serves for the attachment of the needle 11 on the needle ruler 31 (FIG. 12) or the needle ram 33 (FIG. 11) the axis 22 at an acute angle ⁇ to the forward direction 19 of the shuttle 17 set (Figure 5).
  • This angle ⁇ is about 55 to 70 degrees, preferably 60 degrees.
  • the angle ⁇ of the axis 22 to the horizontal surface 29 is about 35 to 50 degrees.
  • Figures 6 and 7, which relate to the arrangement of the shuttle 25 and needle 11 in the Saurer system, show the corresponding ratios in this system, which is a mirror image arrangement of the system of Figures 4 and 5.
  • the needle of Figure 7 differs from Figure 7 that of Figure 5 by the mirror image arrangement of the axis 22nd
  • the needle 11 is shown in detail in FIGS. 8 to 10. It differs from the known embodiments according to the prior art only by the other arrangement of the axis 22 of the eye 23, so that unnecessary detailed explanations.
  • Figures 11 and 12 show the usual attachment means for the needle on the needle ram or the needle ruler.
  • the fastened with screws 35 terminals 37, 37 ' have a horizontal contact surface 39 which cooperates with the surface 29 on the needle shaft 27, so that the axis 22 of the eye 23 is held in the desired position.
  • attachment means could have a vertical abutment surface, in which case also the surface 29 of the needle would have to be displaced by 90 degrees to the described embodiment.
  • the Schiffchenstick- or quilting machine works with needles 11, wherein the axis 22 of the eye 23 is arranged at an acute angle ⁇ to Vor detailschulscardi 19 of the shuttle 17 on the shuttle 25.
  • the axis 22 therefore runs in almost the same direction as the needle thread 13 when the boat 17 slips through the loop 15 and expands it.
  • the needle thread is treated more gently so that thread breakages are reduced in high-speed machines.
  • the needle 11 has on the shaft 27 on a surface 29, through which the eye 23 is brought during clamping inevitably in the correct angular position to the shuttle 25.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)

Abstract

The shuttle embroidery or stitching machine works with needles (11) with the axis (22) of the eyes (23) at an acute angle a to the forward direction of displacement (19) of the shuttle (17) on the shuttle track (25). The axis (22) thus runs approximately in the same direction as the needle thread (13), when the shuttle (17) passes through the loop (15) and extends the same. The needle thread is thus more gently handled such that thread breakages on rapidly operating machines are reduced. The needle (11) comprise a surface (29) on the shaft (27) by means of which the eye (23) is forced into the correct angular position to the shuttle track (25) on tensioning.

Description

Schiffchenstick- oder Steppmaschine und Nadel für solche Maschinen Schiffchenstick- or quilting machine and needle for such machines
Die Erfindung betrifft eine Schiffchenstick- oder Steppmaschine mit auf Schiffchenbahneri vorwärts und rückwärts bewegbaren Schiffchen/ Nadeln mit einem Öhr für den Nadelfaden, einem hin und her bewegbaren Nadellineal oder hin und her bewegbaren Nadelstösseln und Befestigungsrnitteln zur Befestigung der Nadeln auf dem Nadellineal oder den Nadelstösseln in einer bestimmten Ausrichtung der Achse des Öhrs in Bezug auf die Schiffchenbahn. Solche Maschinen werden seit mehr als hundert Jahren hergestellt und machen von einem Stichbildungsverfahren Gebrauch, dessen Prinzip in all dieser Zeit praktisch gleich geblieben ist. So dringt bei der Bildung eines Stichs die Nadel durch den zu bestickenden Stoff, macht eine kurze Rückwärtsbewegung, sodass sich eine Schlaufe im Nadelfaden hinter dem Stoff bildet. Diese wird bei der Vorwärtsbewegung des Schiffchens, in dessen Inneren sich der Schiffchenfaden befindet, erfasst und beim Durchgang des Schiffchens ausgeweitet. Nach dem Durchgang des Schiffchens durch die Schlaufe wird der Nadelfaden zurückgezogen und mit der so bewerkstelligten Verschlingung des Nadelfadens mit dem Schiffehenfaden ist der Stich vollendet, sodass nach der Rückwärtsbewegung des Schiffchens und der Nadel die Bildung eines neuen Stichs beginnen kann.The invention relates to a Schiffchenstick- or quilting machine with Schiffchenbahneri forward and backward movable shuttle / needles with an eye for the needle thread, a reciprocable needle ruler or reciprocable needle rams and Befestigungsur for fixing the needles on the needle ruler or the needle tines a certain orientation of the axis of the eye with respect to the shuttle. Such machines have been manufactured for more than a hundred years and use a stitching process, the principle of which has remained virtually constant throughout this period. Thus, when forming a stitch, the needle penetrates through the fabric to be embroidered, making a short backward movement so that a loop in the needle thread forms behind the fabric. This is detected during the forward movement of the shuttle, in the interior of which the shuttle thread is located, and expanded during passage of the shuttle. After the passage of the shuttle through the loop, the needle thread is withdrawn and with the stitching of the needle thread with the ship thread thus effected, the stitch is completed, so that after the backward movement of the shuttle and the needle, the formation of a new stitch can begin.
Figur 1 zeigt, wie beim bekannten Stand der Technik die Nadel 11 mit dem Nadelfaden 13 eine kleine Schlaufe 15 gebildet hat und das Schiffchen 17 bei seiner Vorwärtsbewegung in Richtung des Pfeils 19 die Schlaufe 15 erfasst, um dann unter Erweiterung der Schlaufe durch diese hindurchzuschlüpfen (Fig. 2), um eine Verschlingung des Nadelfadens 13 mit dem Schiffchenfaden 21 zu ermöglichen.FIG. 1 shows how, in the known state of the art, the needle 11 with the needle thread 13 has formed a small loop 15 and the shuttle 17 grasps the loop 15 in its forward movement in the direction of the arrow 19 and then slips through the loop (FIG. Fig. 2) to allow an entanglement of the needle thread 13 with the shuttle thread 21.
Es ist aus Figur 1 ersichtlich, dass die Achse 22 des Öhrs 23 in einem rechten Winkel zur Schiffchenbahn 25 ausgerichtet ist, sodass auch die Schlaufe 15 in einem rechten Winkel relativ weit über die Schiffchenbahn 25 ragt und somit gut von der Spitze des Schiffchens 17 erfasst werden kann. In den letzten Jahren sind die Geschwindigkeiten, mit denen Schiffchenstickmaschinen arbeiten, ständig erhöht worden. Galten noch vor wenigen Jahren 185 Stiche pro Minute bei grossen Maschinen und 250 Stiche pro Minute bei kleinen Maschinen als obere Limiten, so werden jetzt bereits mehr als 600 Stiche pro Minute ausgeführt, und es sind Bestrebungen im Gange, die Geschwindigkeit noch weiter zu erhöhen. Hohe Stickgeschwindigkeiten stellen erhöhte Ansprüche sowohl an die Konstruktion der Stickmaschinen als auch an das Material des Nadelfadens und des Schiffchenfadens. Aus diesen Gründen wurden bei Stickmaschinen viele konstruktive Änderungen vorgenommen, die insbesondere den Zweck hatten, die bewegten Massen zu verkleinern. Bezüglich des Schiffchenfadens und des Nadelfadens möchten die Besitzer von Schiffchenstickmaschinen aber möglichst weiterhin mit einer breiten Palette von bisherigen Materialien arbeiten können. Es hat nun aber gezeigt, dass es bei schnell laufenden Maschinen insbesondere bei der Verwendung von dünnen Baumwollgarnen zu vermehrten Fadenbrüchen kommt. Dadurch wurden die Vorteile der schnell laufenden Maschinen kompromittiert.It can be seen from Figure 1 that the axis 22 of the eye 23 is aligned at a right angle to the shuttle 25, so that the loop 15 projects at a right angle relatively far over the shuttle 25 and thus well grasped by the tip of the shuttle 17 can be. In recent years, the speeds at which shuttle embroidery machines operate have been steadily increased. Only a few years ago, 185 stitches per minute for large machines and 250 stitches per minute for small machines were upper limits, so now more than 600 stitches per minute are being executed, and efforts are underway to increase the speed even further. High embroidery speeds place increased demands on the design of the embroidery machines as well as on the material of the needle thread and the shuttle thread. For these reasons, many design changes have been made in embroidery machines, which had the particular purpose of reducing the moving masses. With regard to the shuttle thread and the needle thread, however, the owners of shuttle embroidery machines want to be able to continue to work with a wide range of previous materials as far as possible. However, it has now been shown that in fast-running machines, especially when using thin cotton yarns, increased yarn breaks occur. This compromised the benefits of high-speed machines.
Es ist daher Aufgabe der vorliegenden Erfindung eine Schiffchenstickmaschine- oder Steppmaschine zu schaffen, die es erlaubt, auch bei hohen Stickgeschwindigkeiten relativ wenig reissfeste Garne ohne Gefahr von vielen Fadenbrüchen zu verarbeiten.It is therefore an object of the present invention to provide a Schiffchenstickmaschine- or quilting machine, which allows to process relatively little tear-resistant yarns without the risk of many thread breaks even at high speeds.
Erfindungsgemäss wird dies dadurch erreicht, dass bei einer Schiffchenstick- oder Steppmaschine der eingangs erwähnten Gattung die Achse des Öhrs der Nadel in einem spitzen Winkel zur Vorwärtsbewegungsrichtung des Schiffchens auf der Schiffchenbahn ausgerichtet ist.According to the invention, this is achieved by aligning the axis of the eye of the needle at an acute angle to the advancing direction of the shuttle on the shuttle track in a boat embroidery machine or quilting machine of the type mentioned in the opening paragraph.
Um den Ursachen von Fadenbrüchen auf die Spur zu kommen, wurden Aufnahmen von Hochgeschwindigkeitskameras gemacht und minutiös untersucht. Dabei wurde festgestellt, dass beim Durchgang des Schiffchens durch die Schlaufe des Nadelfadens die Schlaufe nach vorn gezogen wird (Fig. 2). Dabei entsteht eine Knickung im Nadelfaden. Es wird vermutet, dass dadurch der Nadelfaden geschwächt wird und es daher leichter zu Fadenbrüchen kommen kann. Durch die erfindungsgemässe Anordnung des Öhrs in einem spitzen Winkel zur Vorwärtsbewegungsrichtung des Schiffchens auf der Schiffchenbahn wird eine Knickung vermieden. Andererseits bewirkt diese Schrästellung, dass die beim Stichbildungsverfahren gebildete Schlaufe weniger weit über die Schiffchenbahn ragt und somit die Gefahr bestehen könnte, dass sie von der. Schiffchenspitze nicht erf asst wird. Es ist nämlich seit langem bekannt, das Schiffchen die Tendenz besitzen, etwas von der Schiffchenbahn abzuheben. Um dies zu vermeiden, müssten daher Massnahmen getroffen werden, wie sie beispielsweise in der US 3 104 635 vorgeschlagen werden, wo durch eine Blattfeder ein Abheben des Schiffchens von der Schiffchenbahn verhindert wird. Solche Massnahmen sind aber mit Aufwand und Kosten verbunden. Es hat sich aber gezeigt, dass bei Maschinen mit einem Kurbelantrieb der Schiffchen gemäss der europäischen Patentanmeldung 04405 732.1 die Schiffchen auch bei hohen Geschwindigkeiten nicht mehr von der Schiffchenbahn abgehoben werden und somit die Fadenschlaufe auch erfassen können, wenn diese wegen der Schrägstellung des Öhrs nicht mehr soweit wie früher üblich über die Schiffchenbahn ragt.In order to investigate the causes of yarn breaks, high-speed camera images were taken and meticulously examined. It was found that as the boat passes through the loop of the needle thread, the loop is pulled forward (Figure 2). This creates a kink in the needle thread. It is believed that this weakened the needle thread and therefore it may be easier to break ends. By the inventive Positioning of the eye at an acute angle to the forward direction of movement of the shuttle on the shuttle track buckling is avoided. On the other hand, this oblique position causes the loop formed during the stitching process to protrude less far beyond the shuttle track and thus could run the risk of being deflected by the shuttle. Tip of the boat is not detected. It has long been known that boats have the tendency to lift something from the shuttle. To avoid this, therefore, measures should be taken, as proposed for example in US 3,104,635, where a lifting of the shuttle from the shuttle track is prevented by a leaf spring. However, such measures are associated with effort and costs. However, it has been shown that in machines with a crank drive of the boat according to the European patent application 04405 732.1 the boats are no longer lifted even at high speeds from the shuttle and thus can also detect the thread loop, if these no longer because of the inclination of the eye as far as usual in the past on the shuttle.
Versuche haben gezeigt, dass der Winkel α der Schrägstellung der Achse des Öhrs zur Vorwärtsbewegungsrichtung des Schiffchens etwa 55 bis 70 Grad, vorzugsweise 60 Grad betragen kann.Experiments have shown that the angle α of the inclination of the axis of the eye to the advancing direction of the shuttle can be about 55 to 70 degrees, preferably 60 degrees.
Zweckmässigerweise weist die Nadel Mittel auf, durch welche bei der Befestigung der Nadel am Nadellineal oder am Nadelstössel die Neigung der Achse des Öhrs zur Schiffchenbahn festgelegt wird.Expediently, the needle has means by which the inclination of the axis of the eye to the shuttle track is determined when attaching the needle to the needle ruler or to the needle ram.
Zweckmässigerweise sind die Mittel, durch welche bei der Befestigung der Nadel am Nadellineal oder am Nadelstössel die Neigung der Achse des Öhrs zur Schiffenbahn festgelegt wird, durch eine Fläche am Nadelschaft gebildet und die Befestigungsmittel für die Nadel sind mit einer entsprechenden Anlagefläche versehen. Beim Einspannen der Nadel wird daher das Nadelöhr zwangsläufig in die richtige Neigung zur Schiffchenbahn gebracht. Die Erfindung betrifft auch eine Nadel, die dadurch gekennzeichnet ist, dass sie Mittel aufweist, durch welche bei der Befestigung der Nadel am Nadellineal oder am Nadelstössel die Neigung der Achse des Öhrs in einem spitzen Winkel zur Vorwärtsbewegungsrichtung des Schiffchens auf der Schiffchenbahn festgelegt wird. Dieser Winkel beträgt etwa 55 bis 70 Grad, vorzugsweise 60 Grad.Conveniently, the means by which the inclination of the axis of the eye to the ship's path is determined when attaching the needle to the needle ruler or the needle ram, formed by a surface on the needle shaft and the fastening means for the needle are provided with a corresponding contact surface. When clamping the needle, therefore, the needle eye is inevitably brought into the correct inclination to the shuttle. The invention also relates to a needle which is characterized in that it comprises means by which the inclination of the axis of the eye is determined at an acute angle to the advancing direction of the shuttle on the shuttle in fixing the needle to the needle ruler or to the ram. This angle is about 55 to 70 degrees, preferably 60 degrees.
Ein Ausführungsbeispiel der Erfindung wird nun unter Bezugnahme auf die Zeichnung beschrieben. Es zeigt:An embodiment of the invention will now be described with reference to the drawings. It shows:
Fig. 1 die Ausrichtung der Nadel zur Schiffchenbahn beim Stand der Technik und das Schiffchen beim Erfassen der gebildeten Fadenschlaufe,1 shows the orientation of the needle to the shuttle in the prior art and the shuttle when detecting the formed loop of thread,
Fig. 2 das Schiffchen beim Durchgang durch die Fadenschlaufe, wobei diese ausgeweitet wird,2 shows the shuttle as it passes through the loop of the thread, widening it,
Fig. 3 einen vergrösserten Ausschnitt von Figur 2,3 is an enlarged detail of Figure 2,
Fig. 4 das Schiffchen beim Durchgang durch die Fadenschlaufe bei einerFig. 4, the boat when passing through the thread loop at a
Anordnung der Schiffchenbahn gemäss System Plauen,Arrangement of the shuttle train according to the system Plauen,
Fig. 5 einen vergrösserten Abschnitt von Figur 4, wobei die Ausrichtung derFig. 5 is an enlarged portion of Figure 4, wherein the orientation of the
Achse des Öhrs in einem spitzen Winkel zurAxis of the eye at an acute angle to
Vorwärtsbewegungsrichtung des Schiffchens auf der Schiffchenbahn gemäss der Erfindung ersichtlich ist,Forward movement direction of the shuttle on the shuttle according to the invention can be seen,
Fig. 6 die Anordnung der Schiffchenbahn gemäss System Saurer,6 shows the arrangement of the shuttle according to the Saurer system,
Fig. 7 die Ausbildung der Nadel für das System Saurer,7 shows the formation of the needle for the system Saurer,
Fig. 8 eine perspektivische Darstellung einer Sticknadel,8 is a perspective view of an embroidery needle,
Fig. 9 eine Ansicht der Nadel von Figur 8,9 is a view of the needle of Figure 8,
Fig. 10 ein Schnitt durch die Nadel von Figur 9 entlang der Linie IX - IX, Fig. 11 die Befestigung der Nadel auf einem Nadlestössel,10 is a section through the needle of Figure 9 along the line IX - IX, 11 the attachment of the needle on a Nadlestössel,
Fig. 12 Die Befestigung der Nadel auf einem Nadellineal.Fig. 12 The attachment of the needle on a needle ruler.
Schiffchenstickmaschinen und Steppmaschinen besitzen auf einer Schiffchenbahn vorwärts und rückwärts bewegbare Schiffchen, Sticknadeln mit einem Öhr für den Nadelfaden, ein oder mehrere hin und her bewegbare Nadellineale oder eine Vielzahl von Nadelstösseln zur Aufnahme der Nadeln. Dabei dienen Befestigungsmittel der Befestigung der Nadeln auf dem Nadellineal oder den Nadelstösseln der besonderen Ausrichtung der Achse des Öhrs in Bezug auf die Schiffchenbahn.Shuttle embroidery machines and quilting machines have on a Schiffchenbahn forward and backward movable shuttle, embroidery needles with an eye for the needle thread, one or more reciprocating needle rulers or a variety of needle tines for receiving the needles. In this case, fastening means for fastening the needles on the needle ruler or the needle rams serve the special orientation of the axis of the eye with respect to the shuttle track.
Die Erfindung besteht im Wesentlichen in einer anderen als bisher üblichen Anordnung der Nadel auf der Schiffchenstick- oder Steppmaschine.The invention consists essentially in a different arrangement than previously used for the needle on the shuttle embroidery or quilting machine.
Ausführungsbeispiele der Erfindung werden nachfolgend am Beispiel einer Schiffchenstickmaschine mit einer Schiffchenanordnung gemäss System Saurer und gemäss System Plauen beschrieben.Embodiments of the invention are described below using the example of a shuttle embroidery machine with a shuttle arrangement according to the Saurer system and the Plauen system.
Die Figuren 4 und 5 zeigen die Nadel 11 mit dem Nadelfaden 13 zu einem Zeitpunkt nach dem Durchgang der Nadel durch den zu bestickenden Stoff wenn das Schiffchen 17 durch die Schlaufe 15 des Nadelfadens 13 schlüpft. Im Gegensatz zum bekannten Stand der Technik ist die Achse 22 des Öhrs 23 in einem spitzen Winkel α zur Vorwärtsbewegungsrichtung 19 des Schiffchnes 17 auf der Schiffchenbahn 25 ausgerichtet.Figures 4 and 5 show the needle 11 with the needle thread 13 at a time after the passage of the needle through the fabric to be embroidered when the boat 17 slips through the loop 15 of the needle thread 13. In contrast to the known prior art, the axis 22 of the eyelet 23 is aligned at an acute angle α to the forward movement direction 19 of the ship's craft 17 on the shuttle 25.
Wie die Figuren 8 bis 10 zeigen, besitzt die Nadel 11 einen runden Schaft 27 mit einer Fläche 29, welche dazu dient bei der Befestigung der Nadel 11 auf dem Nadellineal 31 (Fig. 12) oder dem Nadelstössel 33 (Fig. 11) die Neigung der Achse 22 in einem spitzen Winkel α zur Vorwärtsrichtung 19 des Schiffchens 17 festzulegen (Fig.5). Dieser Winkel α beträgt etwa 55 bis 70 Grad, vorzugsweise 60 Grad. Dementsprechend beträgt der Winkel ß der Achse 22 zur waagrechten Fläche 29 etwa 35 bis 50 Grad. Die Figuren 6 und 7, welche die Anordnung der Schiffchenbahn 25 und der Nadel 11 beim System Saurer betreffen, zeigen die entsprechenden Verhältnisse bei diesem System, das eine spiegelbildliche Anordnung des Systems der Figuren 4 und 5 darstellt Somit unterscheidet sich die Nadel von Figur 7 von jener der Figur 5 durch die spiegelbildliche Anordnung der Achse 22.As shown in FIGS. 8 to 10, the needle 11 has a circular shaft 27 with a surface 29 which serves for the attachment of the needle 11 on the needle ruler 31 (FIG. 12) or the needle ram 33 (FIG. 11) the axis 22 at an acute angle α to the forward direction 19 of the shuttle 17 set (Figure 5). This angle α is about 55 to 70 degrees, preferably 60 degrees. Accordingly, the angle β of the axis 22 to the horizontal surface 29 is about 35 to 50 degrees. Figures 6 and 7, which relate to the arrangement of the shuttle 25 and needle 11 in the Saurer system, show the corresponding ratios in this system, which is a mirror image arrangement of the system of Figures 4 and 5. Thus, the needle of Figure 7 differs from Figure 7 that of Figure 5 by the mirror image arrangement of the axis 22nd
Die Nadel 11 ist in den Figuren 8 bis 10 in Details dargestellt. Sie unterscheidet sich von den bekannten Ausführungen gemäss dem Stand der Technik lediglich durch die andere Anordnung der Achse 22 des Öhrs 23, sodass sich detaillierte Ausführungen erübrigen.The needle 11 is shown in detail in FIGS. 8 to 10. It differs from the known embodiments according to the prior art only by the other arrangement of the axis 22 of the eye 23, so that unnecessary detailed explanations.
Die Figuren 11 und 12 zeigen die üblichen Befestigungsmittel für die Nadel auf dem Nadelstössel bzw. dem Nadellineal. Die mit Schrauben 35 befestigbaren Klemmen 37, 37' weisen eine horizontale Anlagefläche 39 auf, die mit der Fläche 29 am Nadelschaft 27 kooperiert, sodass die Achse 22 des Öhrs 23 in der gewünschten Stellung gehalten wird.Figures 11 and 12 show the usual attachment means for the needle on the needle ram or the needle ruler. The fastened with screws 35 terminals 37, 37 'have a horizontal contact surface 39 which cooperates with the surface 29 on the needle shaft 27, so that the axis 22 of the eye 23 is held in the desired position.
Es sind verschiedene Änderungen möglich, ohne vom Erfindungsgedanken abzuweichen. So könnten beispielsweise die Befestigungsmittel eine vertikale Anlagefläche aufweisen, in welchem Fall auch die die Fläche 29 der Nadel um 90 Grad verschoben zur beschriebenen Ausführung angeordnet werden müsste. Various changes are possible without departing from the spirit. For example, the attachment means could have a vertical abutment surface, in which case also the surface 29 of the needle would have to be displaced by 90 degrees to the described embodiment.
Zusammenfassend kann folgendes festgehalten werden:In summary, the following can be stated:
Die Schiffchenstick- oder Steppmaschine arbeitet mit Nadeln 11, bei welchen die Achse 22 des Öhrs 23 in einem spitzen Winkel α zur Vorwärtsbewegungsrichtung 19 des Schiffchens 17 auf der Schiffchenbahn 25 angeordnet ist. Die Achse 22 verläuft daher nahezu in der gleichen Richtung wie der Nadelfaden 13, wenn das Schiffchen 17 durch die Schlaufe 15 schlüpft und diese ausweitet. Der Nadelfaden wird dabei schonender behandelt, so dass bei schnelllaufenden Maschinen Fadenbrüche reduziert werden. Die Nadel 11 weist am Schaft 27 eine Fläche 29 auf, durch welche das Öhr 23 beim Einspannen zwangsläufig in die richtige Winkelstellung zur Schiffchenbahn 25 gebracht wird. The Schiffchenstick- or quilting machine works with needles 11, wherein the axis 22 of the eye 23 is arranged at an acute angle α to Vorwärtsbewegungsrichtung 19 of the shuttle 17 on the shuttle 25. The axis 22 therefore runs in almost the same direction as the needle thread 13 when the boat 17 slips through the loop 15 and expands it. The needle thread is treated more gently so that thread breakages are reduced in high-speed machines. The needle 11 has on the shaft 27 on a surface 29, through which the eye 23 is brought during clamping inevitably in the correct angular position to the shuttle 25.

Claims

Patentansprüche claims
1. Schiffchenstick- oder Steppmaschine mit auf Schiffchenbahnen (25) vorwärts und rückwärts bewegbaren Schiffchen (17), Nadeln (11) mit einem Öhr (23) für den Nadelfaden (13), einem hin - und herbewegbaren Nadellineal (31) oder1. Schiffchenstick- or quilting machine with Schiffchenbahnen (25) forward and backward movable shuttle (17), needles (11) with an eye (23) for the needle thread (13), a reciprocating needle rivet (31) or
Nadelstössel (33) und Befestigungsmitteln (35, 37)zur Befestigung der Nadeln (11) auf den Nadellinealen (31) oder den Nadelstösseln (33) in einer bestimmten Ausrichtung der Achse (22) des Öhrs (23) in Bezug auf die Schiffchenbahn (25), dadurch gekennzeichnet, dass die Achse (22) des Öhrs (23) der Nadel (11) in einem spitzen Winkel α zur Vorwärtsbewegungsrichtung (19) des SchiffchensNeedle plunger (33) and fastening means (35, 37) for fastening the needles (11) on the needle rivets (31) or the needle plungers (33) in a specific orientation of the axis (22) of the eye (23) with respect to the shuttle track (11). 25), characterized in that the axis (22) of the eye (23) of the needle (11) at an acute angle α to the forward movement direction (19) of the shuttle
(17) auf der Schiffchenbahn (25) ausgerichtet ist.(17) is aligned on the shuttle track (25).
2. Schiffchenstick- oder Steppmaschine nach Anspruch 1, dadurch gekennzeichnet, dass der Winkel α etwa 55 bis 70 Grad, vorzugsweise 60 Grad beträgt.2. Schiffchenstick- or quilting machine according to claim 1, characterized in that the angle α is about 55 to 70 degrees, preferably 60 degrees.
3. Schiffchenstick- oder Steppmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Nadel (11) Mittel (29) aufweist, durch welche bei der Befestigung der Nadel (11) am Nadellineal (31) oder am Nadelstössel (33) die Neigung der Achse (22) des Öhrs (23) zur Schiffchenbahn (25) festgelegt wird.3. Schiffchenstick- or quilting machine according to claim 1 or 2, characterized in that the needle (11) has means (29) through which in the attachment of the needle (11) on the needle ruler (31) or on the needle ram (33) the inclination the axis (22) of the eye (23) to the shuttle (25) is fixed.
4. Schiffchenstick- oder Steppmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Mittel (29), durch welche bei der Befestigung der Nadel (11) am Nadellineal (31) oder am Nadelstössel (33) die Neigung der Achse (22) des Öhrs (23) zur Schiffchenbahn (25) festgelegt wird, durch eine4. Schiffchenstick- or quilting machine according to one of claims 1 to 3, characterized in that the means (29) through which in the attachment of the needle (11) on the needle ruler (31) or on the needle ram (33), the inclination of the axis ( 22) of the eye (23) to the shuttle (25) is determined by a
Fläche (29) am Nadelschaft (27) gebildet sind, und dass die Befestigungsmittel (37, 37') eine entsprechende Anlagefläche (39) aufweisen.Surface (29) on the needle shaft (27) are formed, and that the fastening means (37, 37 ') have a corresponding contact surface (39).
5. Nadel mit Öhr für eine Schiffchenstick- oder Steppmaschine, dadurch gekennzeichnet, dass sie Mittel (29) aufweist, durch welche bei der Befestigung der Nadel (11) am Nadellineal (31) oder am Nadelstössel (33) die Achse (22) des Öhrs (23) in einem spitzen Winkel a zur Vorwärtsrichtung des Schiffchens auf der Schiffchenbahn (25) festgelegt wird.5. Needle with eye for a Schiffchenstick- or quilting machine, characterized in that it comprises means (29) through which in the attachment the needle (11) on the needle ruler (31) or on the needle ram (33) the axis (22) of the eye (23) is set at an acute angle a to the forward direction of the shuttle on the shuttle track (25).
6. Nadel nach Anspruch 5, dadurch gekennzeichnet, dass der Winkel α etwa 55 bis 70 Grad, vorzugsweise 60 Grad beträgt.6. Needle according to claim 5, characterized in that the angle α is about 55 to 70 degrees, preferably 60 degrees.
7. Nadel nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die Mittel (29), durch welche bei der Befestigung der Nadel (11) am Nadellineal (31) oder am Nadelstössel (33) die Neigung der Achse (22) der Öhrs (23) zur Schiffchenbahn7. Needle according to claim 5 or 6, characterized in that the means (29) through which in the attachment of the needle (11) on the needle ruler (31) or the needle plunger (33), the inclination of the axis (22) of the eye ( 23) to the shuttle
(25) festgelegt wird, durch eine Fläche (29) am Nadelschaft (27) gebildet sind.(25) are defined by a surface (29) on the needle shaft (27) are formed.
8. Nadel nach Anspruch 7, dadurch gekennzeichnet, dass die Achse (22) des Öhrs (23) zur Fläche (29) des Nadelschafts (27) in einem Winkel ß von 30 bis 50 Grad, vorzugsweise 45 Grad, angeordnet ist. 8. Needle according to claim 7, characterized in that the axis (22) of the eye (23) to the surface (29) of the needle shank (27) at an angle ß of 30 to 50 degrees, preferably 45 degrees, is arranged.
EP06701090A 2005-03-30 2006-01-31 Shuttle embroidery or stitching machine and needle for such machines Not-in-force EP1869240B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5462005 2005-03-30
PCT/CH2006/000059 WO2006102774A1 (en) 2005-03-30 2006-01-31 Shuttle embroidery or stitching machine and needle for such machines

Publications (2)

Publication Number Publication Date
EP1869240A1 true EP1869240A1 (en) 2007-12-26
EP1869240B1 EP1869240B1 (en) 2008-12-03

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ID=35385397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06701090A Not-in-force EP1869240B1 (en) 2005-03-30 2006-01-31 Shuttle embroidery or stitching machine and needle for such machines

Country Status (6)

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EP (1) EP1869240B1 (en)
KR (1) KR20070114790A (en)
CN (1) CN101180424B (en)
AT (1) ATE416267T1 (en)
DE (1) DE502006002260D1 (en)
WO (1) WO2006102774A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2022880B1 (en) 2007-07-19 2010-03-17 Groz-Beckert KG Needle holder
US8168280B2 (en) * 2008-03-07 2012-05-01 3M Innovative Properties Company Lint roller
CH705472A1 (en) * 2011-09-08 2013-03-15 Laesser Ag Embroidery machine.
US10196166B2 (en) 2016-10-18 2019-02-05 Avery Dennison Corporation Method of penetrating material with a fastener dispensing needle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE294260C (en)
US2824533A (en) 1956-05-24 1958-02-25 Singer Mfg Co Sewing machine needles
US2932268A (en) 1958-06-24 1960-04-12 Singer Mfg Co Needle bar drives for zigzag sewing machines
DE69130763T2 (en) 1991-07-25 1999-07-29 Hirose Mfg Co Ltd sewing machine
JPH0956946A (en) * 1995-08-18 1997-03-04 Singer Nikko Kk Needle clamp for sewing machine

Non-Patent Citations (1)

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Title
See references of WO2006102774A1 *

Also Published As

Publication number Publication date
ATE416267T1 (en) 2008-12-15
KR20070114790A (en) 2007-12-04
EP1869240B1 (en) 2008-12-03
DE502006002260D1 (en) 2009-01-15
CN101180424B (en) 2012-10-10
CN101180424A (en) 2008-05-14
WO2006102774A1 (en) 2006-10-05

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