EP0227018A1 - Guide-needle segment for crocheting- and Raschel-machines - Google Patents

Guide-needle segment for crocheting- and Raschel-machines Download PDF

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Publication number
EP0227018A1
EP0227018A1 EP86117533A EP86117533A EP0227018A1 EP 0227018 A1 EP0227018 A1 EP 0227018A1 EP 86117533 A EP86117533 A EP 86117533A EP 86117533 A EP86117533 A EP 86117533A EP 0227018 A1 EP0227018 A1 EP 0227018A1
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EP
European Patent Office
Prior art keywords
needle
perforated
needles
carrier body
segment according
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Granted
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EP86117533A
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German (de)
French (fr)
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EP0227018B1 (en
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Franz Dengler
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Individual
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Individual
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Priority to AT86117533T priority Critical patent/ATE52549T1/en
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/02—Warp-thread guides
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/24—Thread guide bar assemblies

Definitions

  • the invention relates to a perforated needle segment for use on crochet or Raschel machines with the individual features of the preamble of claim l.
  • Such perforated needle segments essentially consist of a carrier body connected to a movement-driven part of the machine and a plurality of perforated needle lamellae which protrude parallel and equidistantly from a side face, namely from an end face of the carrier body.
  • the perforated needles are at their free ends with a hole for performing a u. U. elastic thread section provided, with its fastening end, the needles are held in the carrier body.
  • the segments are attached to a cross member, which has an elliptical rotational movement with a relatively high rotational frequency executes, not inconsiderable mechanical forces act on the connection between perforated needles and carrier body.
  • the invention / innovation is based on the object of developing a perforated needle segment of the type described above in such a way that it reduces weight and at the same time a permanently firm bond between the carrier body and the perforated needle lamella is ensured.
  • the segments should also be easy to manufacture and inexpensive by saving on metallic raw materials.
  • the core of the invention / innovation it is considered to arrange at least one rod-shaped cross connector in the area of the fastening ends of the perforated needle lamellae, which is firmly connected to the fixed ends of the individual lamellae and runs within the carrier body over the entire width of the perforated needle arrangement essentially at right angles to the longitudinal direction of the needle.
  • This cross connector ensures a firm hold of the needles with one another and at the same time ensures that the entire perforated needle assembly cannot become detached from the support body through the cross strut in the support body material. If the rod-like cross connector is still raised beyond the side edge of the perforated needle fixed ends, a positive connection is established with the carrier body material and the hold is increased even further.
  • the carrier body consists of plastic material, in particular ABS plastic, since the prepared and provided with the cross connector piercing needle set can then be easily injected or poured into the plastic body.
  • a plurality of cross-connectors on both sides in the area of the fastening end of the perforated needle lamellae ensures that the perforated needle package prepared for injection does not twist or bend, with the result that the individual perforated needles lose their equidistance to one another.
  • the cross connector (s) advantageously consist of welding wire and are attached to the back of the needle lamellae by means of an electric welding process.
  • the welding wire also has an advantageous effect in that it has a certain flexibility, which allows the prepared perforated needle assembly to be re-aligned after insertion into corresponding recesses in the injection mold for the production of the carrier body and thus to ensure that the perforated needle alignment is really exact.
  • a tripartite arrangement of the cross connector has proven to be particularly advantageous statically.
  • a really intimate connection between cross connector and perforated needle lamellae can be achieved by providing the back or side edges of the perforated needle lamellae with U-shaped recesses into which the cross connector designed as a welding wire is inserted.
  • the radius of the U-shaped recesses corresponds approximately to the radius of the welding wire, so that there is a relatively long welded connection.
  • the cooling plastic shrinks by about 0.8% - 1% after the injection process, the comb-like needles tend to bend open like a fan, ie to take a slightly greater distance in the area of their needle tips than in the area of the needle ends.
  • Such expansion by contraction of the plastic is avoided by reducing the tension in the area of the plastic back through recesses, which are advantageously a plurality of recesses that extend parallel to one another in the longitudinal direction of the needle between the fastening hole and the perforated needles.
  • the recesses have the shape of elongated holes.
  • a further stiffening of the carrier body is achieved in that a plurality of stiffening ribs are provided, which in particular enclose the edge of the carrier body and at least partially run in the center of the carrier body in the longitudinal direction of the needle.
  • a reinforcement of the support body is also provided, which merges into the stiffening ribs. This prevents the carrier body from breaking out in the area of the fastening hole under high loads.
  • the perforated needle segment 1 shown in Fig. 1 for a crochet and / or Raschel machine consists essentially of a carrier body 2 and a plurality of needles 4 protruding from the end face 3 of the carrier body 2, which have a flat-rectangular cross section, equidistant and parallel to each other are arranged and are provided at their free end 5 with a hole 6 for the passage of a thread section and are held with their fastening end 7 in the carrier body.
  • rod-like cross connectors 8, 9, 10 are arranged, which are firmly connected to the fixed ends 7 and run within the carrier body 2 over the entire width 11 of the needle arrangement essentially at right angles to the longitudinal direction 12 of the needle.
  • the cross connectors 8-10 are raised beyond the side edge l3 of the fastening ends 7 of the needles 4, as can be clearly seen from FIG. 3.
  • the cross connectors are made of welding wire and have a round cross-section, the coupling between the individual lochna made via the cross connector 8-10 deln 4 is elastic.
  • the perforated needle lamellae In order to achieve the most intimate welded connection, the perforated needle lamellae have l3 U-shaped recesses in their side edges, the diameter of which corresponds approximately to the diameter of the cross connector 8 - l0 made of welding wire.
  • the carrier body has a rectangular cross section and a fastening hole 16 at its end facing away from the needles 4.
  • FIG. 4 shows the second side of the perforated needle segment, which is opposite the first side shown in FIG. 1.
  • the carrier body 2 is provided with a plurality of recesses 17, which are partly between the fastening hole and the needles 4.
  • the recesses l7 are elongated holes, the longitudinal axis of which extend in the direction of the needles 4. 4 that the support body 2 has a plurality of stiffening ribs l8, l9, the stiffening ribs l8 being arranged on the edge of the support body 2 and extending into the region of the support body which receives the fastening hole l6.
  • the stiffening rib l9 extends towards the center of the fastening hole l6 parallel to the direction of the needles.
  • the carrier body has an additional reinforcement 20 which merges into the stiffening rib l9 in the region 2l.
  • the reinforcement 20 is designed so that the head a fastening screw finds a support surface running parallel to the flat side of the carrier body shown in FIG.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Knitting Machines (AREA)
  • Materials For Medical Uses (AREA)

Abstract

1. Eye needle segment (1) for crocheting and Raschel machines with : - a carrier member (2) and - a multiplicity of eye needles (4) protruding from a side surface (face 3) of the carrier member (2), which - are provided with a substantially flat-rectangular cross section, - are disposed so that they are equidistant and parallel to each other, - are in each case provided with a free end (5), which is provided with an eye (6) for running through a thread section, - as well as with an attachment end (7), which is held in the carrier member (2), - so that, in the area of the attachment ends (7) of the eye needles, (4) at least one bar-shaped transverse connection member is disposed, which runs substantially at right angles to the longitudinal direction of the needle (12) inside the carrier member (2) over the complete width (11) of the eye needle arrangement, characterised in that the transverse connection member or members (8-10) is or are connected to the attachment ends (7) of the eye needles (4) rigidly so that it, or they cannot be detached.

Description

Die Erfindung betrifft ein Lochnadelsegment zum Einsatz an Häkel- oder Raschelmaschinen mit den Einzelmerkmalen des Oberbegriffes des Anspruches l. Derartige Lochnadel­segmente bestehen im wesentlichen aus einem mit einem bewegungsangetriebenen Teil der Maschine verbundenen Trägerkörper sowie einer Mehrzahl von Lochnadellamellen, die aus einer Seitenfläche, nämlich aus einer Stirn­fläche des Trägerkörpers parallel und äquidistant herausstehen.The invention relates to a perforated needle segment for use on crochet or Raschel machines with the individual features of the preamble of claim l. Such perforated needle segments essentially consist of a carrier body connected to a movement-driven part of the machine and a plurality of perforated needle lamellae which protrude parallel and equidistantly from a side face, namely from an end face of the carrier body.

Die Lochnadeln sind an ihrem Freiende mit einem Loch zur Durchführung eines u. U. elastischen Fadenabschnittes versehen, mit ihrem Befestigungsende sind die Lochnadeln im Trägerkörper gehalten.The perforated needles are at their free ends with a hole for performing a u. U. elastic thread section provided, with its fastening end, the needles are held in the carrier body.

Da beim Betrieb der mit den Lochnadelsegmenten versehe­nen Häkel- oder Raschelmaschine die Segmente an einem Querträger befestigt sind, der eine elliptische Rota­tionsbewegung mit einer relativ hohen Umlauffrequenz ausführt, wirken nicht unerhebliche mechanische Kräfte auf die Verbindung zwischen Lochnadeln und Trägerkörper ein.Since during the operation of the crochet or Raschel machine provided with the perforated needle segments, the segments are attached to a cross member, which has an elliptical rotational movement with a relatively high rotational frequency executes, not inconsiderable mechanical forces act on the connection between perforated needles and carrier body.

Als Stand der Technik ist es bekannt, einen Trägerkörper aus Metall, insbesondere Blei herzustellen, die Lochna­deln in ihrem Befestigungsende in Schlitzausnehmungen des aus Blei hergestellten Trägerkörpers einzulegen und darin zu befestigten. Derartige Lochnadelsegmente, je­doch insofern nachteilig, als sie nur mehr oder weniger in einem Handgußverfahren hergestellt werden können und aufgrund des bleiernen Trägerkörpers eine relativ große Masse haben, die aufgrund des Rotationsantriebes der Trägerkörper nur relativ geringfügige Maschinentouren­zahlen erlaubt.It is known as prior art to produce a carrier body made of metal, in particular lead, to insert the perforated needles in their fastening end into slot recesses in the carrier body made of lead and to fasten them therein. Such perforated needle segments, however, disadvantageous in that they can only be produced to a greater or lesser extent in a hand casting process and have a relatively large mass due to the leaded carrier body, which allows only relatively small numbers of machine tours due to the rotational drive of the carrier body.

Es wurde auch schon versucht, die Lochnadellamellen in Trägerkörper aus Kunststoff einzugießen, derartige Loch­nadelsegmente konnten sich aber nicht durchsetzen, da der Halt der Einzelnadeln nicht ausreichend in dem Kunststoffkörper gesichert war, um die relativ hohen mechanischen Belastungen dauerhaft zu ertragen. Wenn sich nur eine einzige Lochnadel aus einem Trägerkörper löst, führt dies zum sofortigen Ausfall der Häkel- oder Raschelmaschine, an der in der Regel viele Segmente angeordnet sind. Um übermäßig hohe Ausfallzeiten durch ein Herausfallen von Lochnadeln zu vermeiden, ist man wieder dazu übergegangen, vorstehend erläuterte Lochna­delsegmente mit einem Trägerkörper aus Blei und einzeln darin befestigten Lochnadellamellen zu verwenden.Attempts have also already been made to pour the perforated needle lamellae into carrier bodies made of plastic, but such perforated needle segments could not prevail because the hold of the individual needles was not sufficiently secured in the plastic body in order to sustain the relatively high mechanical loads. If only a single perforated needle comes loose from a carrier body, this leads to the immediate failure of the crochet or Raschel machine, on which many segments are usually arranged. In order to avoid excessively long downtimes due to dropping out of perforated needles, it has again become common to use the above-explained perforated needle segments with a lead body and individually attached perforated needle lamellae.

Der Erfindung/Neuerung liegt die Aufgabe zugrunde, ein Lochnadelsegment der vorstehend bezeichneten Art derart weiterzubilden, daß es gewichtsmäßig reduziert und dabei ein dauerhaft fester Verbund zwischen Trägerkörper und Lochnadellamellen sichergestellt ist. Die Segmente sol­len dabei auch leicht herstellbar und durch Einsparung von metallischen Rohstoffen preisgünstig sein.The invention / innovation is based on the object of developing a perforated needle segment of the type described above in such a way that it reduces weight and at the same time a permanently firm bond between the carrier body and the perforated needle lamella is ensured. The segments should also be easy to manufacture and inexpensive by saving on metallic raw materials.

Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruches l gelöst, vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Merkmalen der Unter­ansprüche.This object is achieved by the characterizing features of claim 1, advantageous developments of the invention result from the features of the subclaims.

Als Kern der Erfindung/Neuerung wird es angesehen, im Bereich der Befestigungsenden der Lochnadellamellen mindestens einen stabförmigen Querverbinder anzuordnen, der mit den Festenden der Einzellamellen fest verbunden ist und innerhalb des Trägerkörpers über die gesamte Breite der Lochnadelanordnung im wesentlichen rechwink­lig zur Nadellängsrichtung verläuft. Durch diesen Quer­verbinder wird ein fester Halt der Nadeln untereinander erreicht und gleichzeitig sichergestellt, daß durch die Querstrebe im Trägerkörpermaterial der gesamte Lochna­delverbund sich nicht aus dem Trägerkörper lösen kann. Steht der stabartige Querverbinder noch über den Seiten­rand der Lochnadelfestenden erhaben hinaus, wird gleich­sam eine formschlüssige Verbindung mit dem Trägerkörper­material hergestellt und der Halt noch weiter erhöht. Besonders vorteilhaft ist es, wenn gemäß Anspruch 3 der Trägerkörper aus Kunststoffmaterial, insbesondere ABS-­Kunststoff besteht, da sich dann der vorbereitete und mit dem Querverbinder versehene Lochnadelsatz auf ein­fache Weise in den Kunststoffkörper einspritzen oder eingießen läßt.As the core of the invention / innovation, it is considered to arrange at least one rod-shaped cross connector in the area of the fastening ends of the perforated needle lamellae, which is firmly connected to the fixed ends of the individual lamellae and runs within the carrier body over the entire width of the perforated needle arrangement essentially at right angles to the longitudinal direction of the needle. This cross connector ensures a firm hold of the needles with one another and at the same time ensures that the entire perforated needle assembly cannot become detached from the support body through the cross strut in the support body material. If the rod-like cross connector is still raised beyond the side edge of the perforated needle fixed ends, a positive connection is established with the carrier body material and the hold is increased even further. It is particularly advantageous if, according to claim 3, the carrier body consists of plastic material, in particular ABS plastic, since the prepared and provided with the cross connector piercing needle set can then be easily injected or poured into the plastic body.

Durch mehrere Querverbinder beidseitig im Bereich des Befestigungsendes der Lochnadellamellen wird sicherge­stellt, daß das zum Einspritzen vorbereitete Lochnadel­paket sich nicht verwindet oder verbiegt, was zur Folge hat, daß die einzelnen Lochnadeln ihre Äquidistanz zu­einander verlieren.A plurality of cross-connectors on both sides in the area of the fastening end of the perforated needle lamellae ensures that the perforated needle package prepared for injection does not twist or bend, with the result that the individual perforated needles lose their equidistance to one another.

Vorteilhafterweise bestehen der oder die Querverbinder aus Schweißdraht und werden durch ein Elektroschweißver­fahren auf dem Rücken der Nadellamellen befestigt. Der Schweißdraht wirkt sich auch insofern vorteilhaft aus, als er eine gewisse Biegsamkeit hat, die es gestattet, den vorbereiteten Lochnadelverbund nach dem Einlegen in entsprechende Aussparungen der Spritzform zur Herstel­lung des Trägerkörpers noch nachzurichten und damit sicherzustellen, daß die Lochnadelausrichtung wirklich exakt ist. Als statisch besonders vorteilhaft hat sich eine Dreieranordnung des Querverbinders herausgestellt.The cross connector (s) advantageously consist of welding wire and are attached to the back of the needle lamellae by means of an electric welding process. The welding wire also has an advantageous effect in that it has a certain flexibility, which allows the prepared perforated needle assembly to be re-aligned after insertion into corresponding recesses in the injection mold for the production of the carrier body and thus to ensure that the perforated needle alignment is really exact. A tripartite arrangement of the cross connector has proven to be particularly advantageous statically.

Eine wirklich innige Verbindung zwischen Querverbinder und Lochnadellamellen läßt sich dadurch erreichen, daß die Rücken oder Seitenkanten der Lochnadellamellen mit U-förmigen Ausnehmungen versehen sind, in die der als Schweißdraht ausgebildete Querverbinder eingelegt wird. Der Radius der U-förmigen Ausnehmungen entspricht etwa dem Radius des Schweißdrahtes, so daß sich eine relativ lange Schweißverbindung ergibt.A really intimate connection between cross connector and perforated needle lamellae can be achieved by providing the back or side edges of the perforated needle lamellae with U-shaped recesses into which the cross connector designed as a welding wire is inserted. The radius of the U-shaped recesses corresponds approximately to the radius of the welding wire, so that there is a relatively long welded connection.

Für eine einwandfreie Funktion der Lochnadelsegmente ist es erforderlich, daß auch nach dem Herstellungsvorgang alle Nadeln exakt parallel verlaufen. Da der erkaltende Kunststoff nach dem Spritzvorgang eine Schrumpfung von etwa 0,8 % - l % vollzieht, neigen die kammartig ange­ordneten Lochnadeln dazu, sich fächerförmig aufzubiegen, d. h. im Bereich ihrer Nadelspitzen einen etwas größeren Abstand einzunehmen als im Bereich der Lochnadelenden. Eine derartige Aufweitung durch Kontraktion des Kunst­stoffes wird dadurch vermieden, daß man die Spannung im Bereich des Kunststoffrückens durch Ausnehmungen redu­ziert, die vorteilhafterweise eine Mehrzahl von Ausneh­mungen sind, die sich zwischen dem Befestigungsloch und den Lochnadeln parallel zueinander in Nadellängsrichtung erstrecken. Die Ausnehmungen haben die Form von Lang­löchern.For perfect functioning of the perforated needle segments, it is necessary that all needles run exactly parallel even after the manufacturing process. Since the cooling plastic shrinks by about 0.8% - 1% after the injection process, the comb-like needles tend to bend open like a fan, ie to take a slightly greater distance in the area of their needle tips than in the area of the needle ends. Such expansion by contraction of the plastic is avoided by reducing the tension in the area of the plastic back through recesses, which are advantageously a plurality of recesses that extend parallel to one another in the longitudinal direction of the needle between the fastening hole and the perforated needles. The recesses have the shape of elongated holes.

Eine weitere Versteifung der Trägerkörper wird dadurch erreicht, daß eine Mehrzahl von Versteifungsrippen vor­gesehen ist, die insbesondere den Trägerkörperrand ein­fassen und in der Trägerkörpermitte zumindest teilweise in Nadellängsrichtung verlaufen.A further stiffening of the carrier body is achieved in that a plurality of stiffening ribs are provided, which in particular enclose the edge of the carrier body and at least partially run in the center of the carrier body in the longitudinal direction of the needle.

Im Bereich des Befestigungsloches ist ebenfalls eine Verstärkung des Trägerkörpers vorgesehen, die in die Versteifungsrippen übergeht. Dadurch wird vermieden, daß der Trägerkörper bei hoher Belastung im Bereich des Befestigungsloches ausbricht.In the area of the fastening hole, a reinforcement of the support body is also provided, which merges into the stiffening ribs. This prevents the carrier body from breaking out in the area of the fastening hole under high loads.

Die Verfahrensansprüche stellen eine rationelle und billige Herstellung des Anmeldungsgegenstandes sicher.The procedural claims ensure rational and cheap manufacture of the subject of the application.

Die Erfindung ist anhand eines vorteilhaften Ausfüh­rungsbeispieles in den Zeichnungsfiguren näher erläu­tert. Diese zeigen:

  • Fig. l eine Draufsicht auf eine Erste Seite eines Loch­nadelsegmentes, wobei der Trägerkörper im Be­reich der Befestigungsenden der Lochnadellamel­len aufgeschnitten ist;
  • Fig. 2 einen Schnitt gemäß II-II in Fig. l;
  • Fig. 3 eine vergrößerte Seitenansicht einer Lochnadel mit drei Querverbindern zu weiteren, dahinter­liegenden Lochnadeln.
  • Fig. 4 eine Draufsicht auf eine zweite Seite eines Lochnadelsegmentes.
The invention is explained in more detail using an advantageous embodiment in the drawing figures. These show:
  • 1 shows a plan view of a first side of a perforated needle segment, the carrier body being cut open in the region of the fastening ends of the perforated needle lamellae;
  • FIG. 2 shows a section according to II-II in FIG. 1;
  • Fig. 3 is an enlarged side view of a perforated needle with three cross connectors to further, underlying perforated needles.
  • Fig. 4 is a plan view of a second side of a perforated needle segment.

Das in Fig. l dargestellte Lochnadelsegment l für eine Häkel- und/oder Raschelmaschine besteht im wesentlichen aus einem Trägerkörper 2 sowie einer Mehrzahl von aus der Stirnfläche 3 des Trägerkörpers 2 herausstehenden Lochnadeln 4, die einen flach-rechteckigen Querschnitt aufweisen, äquidistant und parallel zueinander angeord­net sind und an ihrem Freiende 5 mit einem Loch 6 zur Durchführung eines Fadenabschnittes versehen sind sowie mit ihrem Befestigungsende 7 im Trägerkörper gehalten sind.The perforated needle segment 1 shown in Fig. 1 for a crochet and / or Raschel machine consists essentially of a carrier body 2 and a plurality of needles 4 protruding from the end face 3 of the carrier body 2, which have a flat-rectangular cross section, equidistant and parallel to each other are arranged and are provided at their free end 5 with a hole 6 for the passage of a thread section and are held with their fastening end 7 in the carrier body.

Im Bereich der Befestigungsenden der Lochnadeln sind stabartige Querverbinder 8, 9, l0 angeordnet, die mit den Festenden 7 fest verbunden sind und innerhalb des Trägerkörpers 2 über die gesamte Breite ll der Nadelan­ordnung im wesentlichen rechtwinklig zur Nadellängsrich­tung l2 verlaufen.In the area of the fastening ends of the perforated needles, rod-like cross connectors 8, 9, 10 are arranged, which are firmly connected to the fixed ends 7 and run within the carrier body 2 over the entire width 11 of the needle arrangement essentially at right angles to the longitudinal direction 12 of the needle.

Die Querverbinder 8 - l0 stehen über den Seitenrand l3 der Befestigungsenden 7 der Lochnadeln 4 erhaben hinaus, wie aus Fig. 3 deutlich zu sehen ist.The cross connectors 8-10 are raised beyond the side edge l3 of the fastening ends 7 of the needles 4, as can be clearly seen from FIG. 3.

Die Querverbinder bestehen aus Schweißdraht und haben einen runden Querschnitt, die über die Querverbinder 8 - ­l0 hergestellte Kopplung zwischen den einzelnen Lochna­ deln 4 ist elastisch. Wie ferner in Fig. 3 schematisch dargestellt ist, ergeben sich zwischen der Oberfläche der aus Schweißdraht gebildeten Querverbinder 8 - l0 Elektroschweißverbindungen (dies sind Bereiche, wo ein gegenseitiger Materialfluß vorhanden ist); um eine mög­lichst innige Schweißverbindung zu erreichen, haben die Lochnadellamellen in ihren Seitenrändern l3 U-förmige Ausnehmungen, deren Durchmesser etwa dem Durchmesser der aus Schweißdraht bestehenden Querverbinder 8 - l0 ent­sprechen.The cross connectors are made of welding wire and have a round cross-section, the coupling between the individual lochna made via the cross connector 8-10 deln 4 is elastic. As is also shown schematically in FIG. 3, between the surface of the cross-connectors formed from welding wire 8-10, there are electrical welding connections (these are areas where there is a mutual flow of material); In order to achieve the most intimate welded connection, the perforated needle lamellae have l3 U-shaped recesses in their side edges, the diameter of which corresponds approximately to the diameter of the cross connector 8 - l0 made of welding wire.

Wie sich ferner aus Fig. l und 2 ergibt, hat der Träger­körper einen rechteckigen Querschnitt und an seinem den Lochnadeln 4 abgewandten Ende ein Befestigungsloch l6.As can also be seen from FIGS. 1 and 2, the carrier body has a rectangular cross section and a fastening hole 16 at its end facing away from the needles 4.

In Fig. 4 ist die zweite Seite des Lochnadelsegmentes gezeigt, die der ersten, in Fig. l gezeigten Seite ge­genüberliegt. Auf der zweiten Seite ist der Trägerkörper 2 mit einer Mehrzahl von Ausnehmungen l7 versehen, die teilweise zwischen dem Befestigungsloch und den Lochna­deln 4 liegen. Die Ausnehmungen l7 sind Langlöcher, deren Längsachse in Richtung der Lochnadeln 4 verlaufen. Ferner ist Fig. 4 zu entnehmen, daß der Trägerkörper 2 eine Mehrzahl von Versteifungsrippen l8, l9 aufweist, wobei die Versteifungsrippen l8 am Rand des Trägerkör­pers 2 angeordnet sind und sich bis in den das Befesti­gungsloch l6 aufnehmenden Bereich des Trägerkörpers erstrecken. Die Versteifungsrippe l9 verläuft mittig auf das Befestigungsloch l6 zugerichtet parallel zur Rich­tung der Nadeln. Um das Befestigungsloch l6 herum weist der Trägerkörper eine zusätzliche Verstärkung 20 auf, die im Bereich 2l in die Versteifungsrippe l9 übergeht. Die Verstärkung 20 ist so ausgebildet, daß der Kopf einer Befestigungsschraube eine parallel zur in Fig. l dargestellten flachen Seite des Trägerkörpers verlaufen­de Auflagefläche findet.FIG. 4 shows the second side of the perforated needle segment, which is opposite the first side shown in FIG. 1. On the second side, the carrier body 2 is provided with a plurality of recesses 17, which are partly between the fastening hole and the needles 4. The recesses l7 are elongated holes, the longitudinal axis of which extend in the direction of the needles 4. 4 that the support body 2 has a plurality of stiffening ribs l8, l9, the stiffening ribs l8 being arranged on the edge of the support body 2 and extending into the region of the support body which receives the fastening hole l6. The stiffening rib l9 extends towards the center of the fastening hole l6 parallel to the direction of the needles. Around the mounting hole l6, the carrier body has an additional reinforcement 20 which merges into the stiffening rib l9 in the region 2l. The reinforcement 20 is designed so that the head a fastening screw finds a support surface running parallel to the flat side of the carrier body shown in FIG.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

  • 1. Lochnadelsegment1st perforated needle segment
  • 2. Trägerkörper2. Carrier body
  • 3. Stirnfläche3. face
  • 4. Lochnadel4. Needle
  • 5. Freiende5. Freeers
  • 6. Loch6th hole
  • 7. Befestigungsende7. Fastening end
  • 8. Querverbinder8. Cross connector
  • 9. Querverbinder9. Cross connector
  • l0. Querverbinderl0. Cross connector
  • 11. Breite11. Width
  • 12. Längsrichtung von 412.Longitudinal direction of 4
  • 13. Seitenrand13. Page margin
  • 14. Ausnehmungen14. Exceptions
  • 15. Schweißverbindungen15. Welded connections
  • 16. Befestigungsloch16. Mounting hole
  • 17. Ausnehmungen17. Exceptions
  • 18. Versteifungsrippen18. Stiffening ribs
  • 19. Versteifungsrippen19. Stiffening ribs
  • 20. Verstärkung20. Reinforcement
  • 2l. Bereich2l. Area

Claims (17)

1. Lochnadelsegment (l) für Häkel- und Raschelma­schinen mit:
- einem Trägerkörper (2), sowie
- einer Mehrzahl von aus einer Seitenfläche (Stirnfläche 3) des Trägerkörpers (2) herausstehenden Lochnadeln (4), die
-- einen im wesentlichen flach-rechteckigen Querschnitt aufweisen,
-- äquidistant und parallel zueinander angeordnet sind,
-- an ihrem Freiende (5) mit einem Loch (6) zur Durchführung eines Fadenabschnittes versehen sind, sowie
-- mit ihrem Befestigungsende (7) im Trä­gerkörper (2) gehalten sind,

gekennzeichnet durch folgende Merkmale:

- Im Bereich der Befestigungsenden (7) der Lochnadeln (4) ist mindestens ein stabförmi­ger Querverbinder (8 - l0) angeordnet,
-- der mit den Befestigungsenden (7) der Lochnadeln (4) fest verbunden ist und
-- innerhalb des Trägerkörpers (2) über die gesamte Breite (ll) der Lochnadelanord­nung im wesentlichen rechtwinklig zur Nadellängsrichtung (l2) verläuft.1st perforated needle segment (l) for crochet and Raschel machines with:
- A support body (2), and
- A plurality of from a side surface (end face 3) of the carrier body (2) projecting needles (4), the
have an essentially flat, rectangular cross section,
are arranged equidistant and parallel to one another,
- Are provided at their free end (5) with a hole (6) for carrying out a thread section, and
- Are held with their fastening end (7) in the carrier body (2),

characterized by the following features:

- At least one rod-shaped cross connector (8 - 10) is arranged in the area of the fastening ends (7) of the perforated needles (4),
- Which is firmly connected to the fastening ends (7) of the needles (4) and
- Within the carrier body (2) over the entire width (II) of the perforated needle arrangement essentially at right angles to the longitudinal direction of the needle (l2). 2. Lochnadelsegment nach Anspruch l, dadurch gekennzeichnet,
daß der stabförmige Querverbinder (8 - l0) über den Seitenrand (l3) der Befestigungsenden (7) erhaben hinaussteht und in einer inneren Ausneh­mung des Trägerkörpers (2) einliegt.2. Needle segment according to claim l, characterized in
that the rod-shaped cross connector (8-10) protrudes beyond the side edge (l3) of the fastening ends (7) and rests in an inner recess of the carrier body (2). 3. Lochnadelsegment nach Anspruch l oder 2, dadurch gekennzeichnet,
daß der Trägerkörper (2) aus Kunststoffmaterial, insbesondere ABS-Kunststoff besteht.3. Needle segment according to claim l or 2, characterized in
that the carrier body (2) consists of plastic material, in particular ABS plastic. 4. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß mehrere Querverbinder (8 - l0) beidseitig im Bereich der Befestigungsenden (7) angeordnet sind.4. Needle segment according to one of the preceding claims,
characterized,
that several cross connectors (8 - 10) are arranged on both sides in the area of the fastening ends (7). 5. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß auf mindestens einer Seite der Befestigungs­enden (7) mehrere stabförmige Querverbinder (8, 9) angeordnet sind.5. Needle segment according to one of the preceding claims,
characterized,
that several rod-shaped cross connectors (8, 9) are arranged on at least one side of the fastening ends (7). 6. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß auf einer Seite der Befestigungsenden (7) zwei Querverbinder (8, 9) und auf der Gegenseite ein Querverbinder (l0) angeordnet sind.6. Needle segment according to one of the preceding claims,
characterized,
that on one side of the fastening ends (7) two cross connectors (8, 9) and on the opposite side a cross connector (10) are arranged. 7. Lochnadelsegment nach Anspruch 6,
dadurch gekennzeichnet,
daß der einzelne Querverbinder (l0) der einen Seite zwischen den Querverbindern (8, 9) der Gegenseite liegt.7. Needle segment according to claim 6,
characterized,
that the single cross connector (10) on one side lies between the cross connectors (8, 9) on the opposite side. 8. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß der/die Querverbinder (8 - l0) aus Schweiß­draht bestehen.8. Needle segment according to one of the preceding claims,
characterized,
that the cross connector (s) (8 - 10) consist of welding wire. 9. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Lochnadeln (4) über die Querverbinder (8 - l0) elastisch aneinander gekoppelt sind.9. Needle segment according to one of the preceding claims,
characterized,
that the perforated needles (4) are elastically coupled to one another via the cross connectors (8-10). l0. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
gekennzeichnet durch
Elektroschweißverbindungen (l5) zwischen den Seitenrändern (l3) der Befestigungsenden (7) und der Oberfläche der Querverbinder (8 - l0).l0. Perforated needle segment according to one of the preceding claims,
marked by
Electrical welding connections (l5) between the side edges (l3) of the fastening ends (7) and the surface of the cross connectors (8 - l0). 11. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Seitenränder (l3) der Befestigungsenden (7) mit U-förmigen Ausnehmungen (l4) versehen sind, deren Durchmesser etwa dem Durchmesser der Querverbinder (8 - l0) entspricht.11. Needle segment according to one of the preceding claims,
characterized,
that the side edges (l3) of the fastening ends (7) are provided with U-shaped recesses (l4), the diameter of which corresponds approximately to the diameter of the cross connector (8 - l0). 12. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß der Trägerkörper (2) eine Mehrzahl von ins­besondere zwischen Befestigungsloch (l6) und Lochnadeln (4) liegenden Ausnehmungen (l7) auf­weist.12. Needle segment according to one of the preceding claims,
characterized,
that the carrier body (2) has a plurality of recesses (l7), in particular between the fastening hole (l6) and perforated needles (4). 13. Lochnadelsegment nach Anspruch l2,
dadurch gekennzeichnet,
daß die Ausnehmungen (l7) Langlöcher sind, deren Längsachsen in Richtung der Lochnadeln verlaufen.13. Needle segment according to claim l2,
characterized,
that the recesses (l7) are elongated holes, the longitudinal axes of which extend in the direction of the needles. 14. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß der Trägerkörper (2) mit einer Mehrzahl von Versteifungsrippen (l8, l9) versehen ist, die am Trägerkörperrand und im Bereich der Trägerkör­permitte zumindest teilweise in Nadellängsrich­tung verlaufen.14. Needle segment according to one of the preceding claims,
characterized,
that the carrier body (2) is provided with a plurality of stiffening ribs (l8, l9) which run at least partially in the longitudinal direction of the needle on the edge of the carrier body and in the region of the center of the carrier body. 15. Lochnadelsegment nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß der Trägerkörper (2) im Bereich des Befesti­gungsloches (l6) verstärkt ausgebildet ist.15. Needle segment according to one of the preceding claims,
characterized,
that the support body (2) is reinforced in the region of the mounting hole (16). 16. Verfahren zur Herstellung von Lochnadelsegmenten zum Einsatz und/oder Raschelmaschinen,

gekennzeichnet durch folgende Verfahrensschritte: a) Bereitstellen eines Abstandshalters zur Positionierung der Lochnadeln; b) Einbringen oder Einrütteln der einzelnen Lochnadeln in den Abstandshalter; c) Auflegen von Querverbindern über die Be­festigungsenden der einzelnen Lochnadella­mellen etwa rechtwinklig zur Längsrichtung der Lochnadeln; d) Aufheizen des Querverbinders und/oder der Lochnadellamellen durch elektrischen Strom­fluß zum Erzielen einer Schweißverbindung zwischen Querverbinder und Lochnadeln; e) ggf. Wiederholung des Verfahrensschrittes d) zum Aufbringen weiterer Querverbinder; f) Einlegen der Befestigungsenden des schweiß­verbundenen Lochnadelsatzes in eine Kunst­stoffspritzform; und g) Umspritzen der Befestigungsenden und Quer­verbinder des Lochnadelsatzes mit Kunst­stoffmaterial unter hohem Druck. 16. Process for the production of perforated needle segments for use and / or Raschel machines,

characterized by the following process steps: a) providing a spacer for positioning the perforated needles; b) inserting or shaking the individual perforated needles into the spacer; c) placing cross connectors over the fastening ends of the individual perforated needle lamellae approximately at right angles to the longitudinal direction of the perforated needles; d) heating the cross connector and / or the perforated needle lamellae by electrical current flow in order to achieve a welded connection between the cross connector and perforated needles; e) if necessary, repeating step d) for applying further cross connectors; f) inserting the fastening ends of the welded perforated needle set into a plastic injection mold; and g) Injection molding of the fastening ends and cross connectors of the perforated needle set with plastic material under high pressure. 17. Verfahren nach Anspruch l6,
dadurch gekennzeichnet,
daß die Lochnadelsätze als Meterware hergestellt und vor dem Einspritzen in den Trägerkörper abgelängt werden.17. The method according to claim l6,
characterized,
that the needle punch sets are manufactured by the meter and cut to length before being injected into the carrier body.
EP86117533A 1985-12-23 1986-12-17 Guide-needle segment for crocheting- and raschel-machines Expired - Lifetime EP0227018B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86117533T ATE52549T1 (en) 1985-12-23 1986-12-17 HOLE NEEDLE SEGMENT FOR HOEKEL AND RASCHEL MACHINES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8536352U DE8536352U1 (en) 1985-12-23 1985-12-23 Hole needle segment for crochet and Raschel machines
DE8536352U 1985-12-23

Publications (2)

Publication Number Publication Date
EP0227018A1 true EP0227018A1 (en) 1987-07-01
EP0227018B1 EP0227018B1 (en) 1990-05-09

Family

ID=6788563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86117533A Expired - Lifetime EP0227018B1 (en) 1985-12-23 1986-12-17 Guide-needle segment for crocheting- and raschel-machines

Country Status (4)

Country Link
EP (1) EP0227018B1 (en)
AT (1) ATE52549T1 (en)
DE (2) DE8536352U1 (en)
ES (1) ES2015526B3 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2290558A (en) * 1994-06-18 1996-01-03 Mayer Textilmaschf Mounting components of warp knitting machines
DE19854191A1 (en) * 1998-11-24 2000-05-25 Saxonia Umformtechnik Gmbh Needle packet, for flatbed knitter, comprises needles held by rods through passages and bonded by a thin fluid adhesive
WO2004001113A1 (en) * 2002-06-20 2003-12-31 Groz-Beckert Kg Module for textile machines, especially stitch-forming machines
CN102358987A (en) * 2011-09-26 2012-02-22 重庆胜普昂凯科技有限公司 Needle fixing device of needle selector
EP3241934A1 (en) 2016-05-04 2017-11-08 Groz-Beckert KG Textile tool module and textile machine with a textile tool module

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667602C (en) * 1937-04-15 1938-11-15 Ernst Liebers Fa Hole needle arrangement for warp knitting machines
DE1076305B (en) * 1956-08-20 1960-02-25 Merckle Karl Insertion needle on Raschel machines
US3369379A (en) * 1965-05-28 1968-02-20 Torrington Co Jack for automatic knitting machine
FR1559391A (en) * 1968-03-25 1969-03-07
US4137730A (en) * 1978-04-20 1979-02-06 Bassist Rudolf G Needle support assembly for a knitting machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667602C (en) * 1937-04-15 1938-11-15 Ernst Liebers Fa Hole needle arrangement for warp knitting machines
DE1076305B (en) * 1956-08-20 1960-02-25 Merckle Karl Insertion needle on Raschel machines
US3369379A (en) * 1965-05-28 1968-02-20 Torrington Co Jack for automatic knitting machine
FR1559391A (en) * 1968-03-25 1969-03-07
US4137730A (en) * 1978-04-20 1979-02-06 Bassist Rudolf G Needle support assembly for a knitting machine

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2290558A (en) * 1994-06-18 1996-01-03 Mayer Textilmaschf Mounting components of warp knitting machines
GB2290558B (en) * 1994-06-18 1998-04-22 Mayer Textilmaschf Needle mounting device for warp knitting machines
DE19854191A1 (en) * 1998-11-24 2000-05-25 Saxonia Umformtechnik Gmbh Needle packet, for flatbed knitter, comprises needles held by rods through passages and bonded by a thin fluid adhesive
WO2000031329A1 (en) * 1998-11-24 2000-06-02 Saxonia Umformtechnik Gmbh Bar assembly
US6632317B1 (en) 1998-11-24 2003-10-14 Saxonia Umformtechnik Gmbh Bar assembly
DE19854191B4 (en) * 1998-11-24 2008-02-21 Saxonia Textile Parts Gmbh Method for connecting needle packs
US7055347B2 (en) 2002-06-20 2006-06-06 Groz-Beckert Kg Module for textile machines, especially stitch-forming machines
WO2004001113A1 (en) * 2002-06-20 2003-12-31 Groz-Beckert Kg Module for textile machines, especially stitch-forming machines
CN100451201C (en) * 2002-06-20 2009-01-14 格罗兹-贝克特公司 Module for textile machines, especially stitch-forming machines
CN102358987A (en) * 2011-09-26 2012-02-22 重庆胜普昂凯科技有限公司 Needle fixing device of needle selector
CN102358987B (en) * 2011-09-26 2015-11-25 重庆胜普昂凯科技有限公司 The needle fixation device of slide cam selector
EP3241934A1 (en) 2016-05-04 2017-11-08 Groz-Beckert KG Textile tool module and textile machine with a textile tool module
WO2017191002A1 (en) 2016-05-04 2017-11-09 Groz-Beckert Kg Textile producing module and textile machine comprising a textile producing module

Also Published As

Publication number Publication date
EP0227018B1 (en) 1990-05-09
ATE52549T1 (en) 1990-05-15
DE3671052D1 (en) 1990-06-13
DE8536352U1 (en) 1986-04-03
ES2015526B3 (en) 1990-09-01

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