EP2138616A1 - Needle board for a needle machine - Google Patents

Needle board for a needle machine Download PDF

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Publication number
EP2138616A1
EP2138616A1 EP08011414A EP08011414A EP2138616A1 EP 2138616 A1 EP2138616 A1 EP 2138616A1 EP 08011414 A EP08011414 A EP 08011414A EP 08011414 A EP08011414 A EP 08011414A EP 2138616 A1 EP2138616 A1 EP 2138616A1
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EP
European Patent Office
Prior art keywords
needle
needles
base plate
needle board
board according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08011414A
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German (de)
French (fr)
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EP2138616B1 (en
Inventor
Johann Philipp Dilo
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.)
Oskar Dilo Maschinenfabrik KG
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Oskar Dilo Maschinenfabrik KG
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Publication date
Priority to AT08011414T priority Critical patent/ATE529557T1/en
Application filed by Oskar Dilo Maschinenfabrik KG filed Critical Oskar Dilo Maschinenfabrik KG
Priority to EP11180560A priority patent/EP2395143A1/en
Priority to EP08011414A priority patent/EP2138616B1/en
Priority to EP08171805A priority patent/EP2138617B1/en
Priority to AT08171805T priority patent/ATE505574T1/en
Priority to DE502008003172T priority patent/DE502008003172D1/en
Priority to PT08171805T priority patent/PT2138617E/en
Priority to US12/490,007 priority patent/US8099841B2/en
Priority to CN200910146742.4A priority patent/CN101613911B/en
Publication of EP2138616A1 publication Critical patent/EP2138616A1/en
Application granted granted Critical
Publication of EP2138616B1 publication Critical patent/EP2138616B1/en
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/02—Needling machines with needles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the present invention is therefore an object of the invention to provide a needle board for a needle machine that can be easily manufactured, a long life has, and in the replacement of defective needles or a replacement of the needle board can be made in a simple manner.
  • the protruding edge portion and the paragraph are formed circumferentially.
  • the needle board 6 according to the invention can be used for any type of needle machine.
  • Fig. 2 to 4 a first preferred embodiment of the needle board 6 according to the invention is shown.
  • the needle board 6 comprises a base plate 16, in which a plurality of receptacles 18 is formed, which are formed here in the form of longitudinal slots.
  • the base plate 16 is preferably made of aluminum, but other materials such as magnesium, etc. are also possible.
  • In the slots 18 each needle modules 20 are inserted.
  • Each needle module 20 has a carrier plate 22, which has a plurality of recesses 23, in each of which a needle 8 is inserted.
  • Fig. 2 three needle modules 20 are shown on the one hand in a state separated from the needle board 6 and on the other hand in a state introduced into the needle board 6. To better illustrate three slots 18 of the needle board 6 are shown unfilled in the right part of the figure.
  • each slot 18 may have in its wall portion a peripheral shoulder 24 on which in the inserted state of the support plate 22, a protruding edge portion 26 of the support plate 22 rests.
  • the shoulder 24 and the protruding edge portion 26 may also be omitted.
  • the necessary force for holding the needle modules 20 in the base plate 16 is generated by frictional engagement.
  • a conical narrowing of the slots 18 in the direction of its lower edge and a corresponding shape of the support plates 22 is conceivable.
  • the needles 8 themselves can have angled heads (not shown) which, for example, lie in a correspondingly shaped groove of the carrier plate 22 and terminate flush with the outside of the carrier plate 22.
  • the loading of the needle modules 20 with the needles 8 can be done conventionally by impressions, or the needles can be provided in a predetermined pattern, then to the carrier plate 22 or to inject.
  • placement machines can be provided which perform these standardized operations without manual effort. Likewise, it is conceivable to run both processes in a machine.
  • the alternative casting or injection molding of the support plate 22 made of plastic to the needles 8 can preferably be done automatically.
  • each needle module 20 includes a row of needles 8.
  • any other geometric arrangement of the needles within a needle module 20, and the arrangement of the different needle modules 20 to each other can also vary arbitrarily.
  • the needles 8 are arranged in rows in the direction of movement of the web.
  • Other orientations show the in Fig. 5 to 7 illustrated embodiments.
  • the needles 8 are arranged in rows transversely to the direction of movement of the fleece, in Fig. 6 at an angle.
  • Fig. 7 shows no arrangement of the individual needle modules 20 in groups, but a staggered arrangement of the individual needle modules 20 in a pattern.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Pinball Game Machines (AREA)

Abstract

The needle board (6) comprises a base plate (16), needles (8) arranged in the area of the base plate in a predetermined pattern, where tips of the needles protrude from the base plate, and needle modules (20), of which each has a plastic carrier plate (22), which is equipped with one of the needles and is inserted into a reception (18) of the base plate. The receptions are formed as slits in the base plate. The needles have a rough needle shank, and forged or angular heads, and are unevenly arranged in the needle module. The carrier plates have a protruding edge section. The needle board (6) comprises a base plate (16), needles (8) arranged in the area of the base plate in a predetermined pattern, where tips of the needles protrude from the base plate, and needle modules (20), of which each has a plastic carrier plate (22), which is equipped with one of the needles and is inserted into a reception (18) of the base plate. The receptions are formed as slits in the base plate. The needles have a rough needle shank, and forged or angular heads, and are unevenly arranged in the needle module. The carrier plates have a protruding edge section, which lies on a recess in a wall area of the corresponding reception in the base plate. The edge section and the recess are formed in a rotating manner. The carrier plates are cast or injected onto the needles. Each needle module has a row of needles. The individual needle modules are arranged in groups in the base plate, and are displaceably arranged to each other. An independent claim is included for a method for producing a needle board for a needle machine.

Description

Die Erfindung betrifft ein Nadelbrett für eine Nadelmaschine, bei dem eine Mehrzahl von Nadeln in einem vorbestimmten Muster im Bereich der Grundplatte angeordnet ist und deren Spitzen aus der Grundplatte hervorragen.The invention relates to a needle board for a needle machine, in which a plurality of needles in a predetermined pattern in the region of the base plate is arranged and the tips of which protrude from the base plate.

Nadelmaschinen sind allgemein bekannt und beispielsweise in Lünenschloß und Albrecht: "Vliesstoffe", Georg-Thieme-Verlag Stuttgart, 1982, S. 122 bis 129 beschrieben.Needle machines are well known and, for example, in Lünenschloß and Albrecht: "Nonwovens", Georg-Thieme-Verlag Stuttgart, 1982, pp. 122 to 129 described.

Die in einer solchen Nadelmaschine verwendeten Nadelbretter bestehen zumeist aus einer Grundplatte aus Aluminium, aus deren Bohrungen die Nadeln hervorstehen, und einer an ihrer Rückseite angebrachten, entsprechend gebohrten Kunststoffplatte, insbesondere aus einem Polyamid (Nylon), in deren Rückseite Nuten eingefräst sind, in die die Bohrungen münden. Die Nuten dienen zur Aufnahme der an den hinteren Enden der Nadeln abgebogenen Abschnitte der Nadelschäfte. Die Bohrungen in einem solchen Nadelbrett sind an die Schaftdurchmesser der vom Nadelbrett gehaltenen Nadeln eng angepasst, damit die Nadeln im Nadelbrett möglichst fest sitzen und im Gebrauch nicht wackeln. Das Nadelbrett liegt rückseitig am Nadelbalken der Nadelmaschine an, an dem es befestigt ist, wodurch die abgebogenen Abschnitte der Nadeln in den Nuten gehalten werden.The needle boards used in such a needle machine usually consist of a base plate made of aluminum, from whose holes the needles protrude, and attached to its back, appropriately drilled plastic plate, in particular of a polyamide (nylon), in the back grooves are milled into the the holes open. The grooves serve to receive the bent at the rear ends of the needles portions of the needle shafts. The holes in such a needle board are closely matched to the shaft diameter of the needles held by the needle board so that the needles in the needle board are as tight as possible and do not wobble in use. The needle board rests on the back of the needle bar of the needle machine to which it is attached, whereby the bent portions of the needles are held in the grooves.

Da die Standzeit von Nadeln begrenzt ist, müssen sie von Zeit zu Zeit ausgewechselt werden. Durch das Benadeln und Entnadeln der Nadelbretter verschleißen jedoch die Bohrungen und die Passung in der aus Aluminium bestehenden Grundplatte des Nadelbretts zwischen Nadelschaft und Bohrung wird so ausgeweitet, dass nicht mehr genügend Einspannkräfte vorliegen. Die Nadeln können daher in den Bohrungen wackeln und werden als Folge durch den Stichvorgang verbogen und gegebenenfalls abgebrochen.Since the life of needles is limited, they must be replaced from time to time. However, the needling and needling of the needle boards wear out the holes and the fit in the aluminum base plate of the needle board between the needle shaft and the hole is widened so that there are no longer sufficient clamping forces. The needles can therefore wobble in the holes and are bent as a result of the stitching process and possibly canceled.

Ein weiterer Nachteil derartiger Nadelbretter besteht darin, dass die Bestückung der Nadelbretter mit den Nadeln sehr aufwändig ist und somit ein Austausch eines Nadelbretts bzw. ein Austausch von Nadeln im Nadelbrett immer mit erheblichem Aufwand und hohen Kosten verbunden ist.Another disadvantage of such needle boards is that the placement of the needle boards with the needles is very complex and thus replacement of a needle board or replacement of needles in the needle board is always associated with considerable effort and high costs.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Nadelbrett für eine Nadelmaschine zu schaffen, das einfach hergestellt werden kann, eine lange Lebensdauer besitzt, und bei dem ein Austausch defekter Nadeln oder eine Neubestückung des Nadelbretts auf einfache Weise vorgenommen werden kann.The present invention is therefore an object of the invention to provide a needle board for a needle machine that can be easily manufactured, a long life has, and in the replacement of defective needles or a replacement of the needle board can be made in a simple manner.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.

Erfindungsgemäß weist das Nadelbrett für eine Nadelmaschine eine Grundplatte und eine Mehrzahl von Nadeln auf, die in einem vorbestimmten Muster im Bereich der Grundplatte angeordnet sind und deren Spitzen aus der Grundplatte hervorragen. Dabei weist das Nadelbrett eine Mehrzahl von Nadelmodulen auf, von denen jedes eine Trägerplatte aufweist, die mit einer Mehrzahl von Nadeln ausgestattet ist und in eine Aufnahme der Grundplatte eingesetzt ist.According to the invention, the needle board for a needle machine on a base plate and a plurality of needles, which are arranged in a predetermined pattern in the region of the base plate and the tips of which protrude from the base plate. In this case, the needle board on a plurality of needle modules, each of which has a support plate which is equipped with a plurality of needles and is inserted into a receptacle of the base plate.

Auf diese Weise wird gewährleistet, dass ein Austausch defekter Nadeln auf besonders einfache Weise möglich ist, ganze Nadelbretter schnell und einfach neu bestückt werden können und die Lebensdauer eines Nadelbretts erhöht wird.In this way, it is ensured that a replacement of defective needles is possible in a particularly simple manner, whole needle boards can be quickly and easily repackaged and the life of a needle board is increased.

Vorzugsweise sind die Aufnahmen als Schlitze in der Grundplatte ausgebildet. Die Schlitzbildung kann durch einen einfachen Bearbeitungsvorgang erfolgen, so dass die Herstellung des Nadelbretts weiter vereinfacht wird.Preferably, the receptacles are formed as slots in the base plate. The slot formation can be done by a simple machining operation, so that the production of the needle board is further simplified.

Um bei hohen Beschleunigungen des Nadelbretts eine Bewegung der Trägerplatten nach unten sicher zu verhindern, können die Trägerplatten vorzugsweise einen vorstehenden Randabschnitt aufweisen, der jeweils auf einem Absatz im Wandbereich der entsprechenden Aufnahme in der Grundplatte aufliegt.In order to reliably prevent downward movement of the carrier plates at high accelerations of the needle board, the carrier plates may preferably have a protruding edge portion, which rests in each case on a shoulder in the wall region of the corresponding receptacle in the base plate.

Im Sinne einer gleichmäßigen Auflage ist es vorteilhaft, dass der vorstehende Randabschnitt und der Absatz umlaufend ausgebildet sind.In terms of a uniform support, it is advantageous that the protruding edge portion and the paragraph are formed circumferentially.

Zur Verringerung des Gewichts des Nadelbretts und zur Vereinfachung der Herstellung der Nadelmodule sind die Trägerplatten vorzugsweise aus Kunststoff gebildet.To reduce the weight of the needle board and to simplify the manufacture of the needle modules, the carrier plates are preferably formed from plastic.

Eine besonders einfache Form der Herstellung erzielt man, wenn die Trägerplatten an die Nadeln angegossen oder angespritzt sind. Alternativ können die Nadeln in Ausnehmungen der vorgefertigten Trägerplatten eingeführt werden.A particularly simple form of production is achieved when the carrier plates are cast or sprayed onto the needles. Alternatively, the needles can be inserted into recesses of the prefabricated carrier plates.

Um eine Verschiebung der Nadeln innerhalb der Ausnehmungen bzw. Bohrungen vollständig auszuschließen, können die Nadeln vorzugsweise angestauchte oder angewinkelte Köpfe aufweisen. Die Schäfte der Nadeln können auch angeraut sein.To completely exclude a displacement of the needles within the recesses or holes, the needles may preferably have upset or angled heads. The shafts of the needles can also be roughened.

Es sind verschiedenste Anordnungen der Nadeln innerhalb eines Nadelmoduls und ebenso verschiedenste Anordnungen der unterschiedlichen Nadelmodule in der Grundplatte denkbar.There are a variety of arrangements of the needles within a needle module as well as various arrangements of different needle modules in the base plate conceivable.

Die Erfindung wird nachfolgend unter Bezugnahme auf in den Zeichnungen dargestellte Ausführungsformen näher erläutert.

Fig. 1
ist eine schematische Ansicht des Grundaufbaus einer einfachen Nadelmaschine;
Fig. 2
ist eine Perspektivansicht einer ersten Ausführungsform des erfindungsgemäßen Nadelbretts mit drei mit Nadeln bestückten Nadelmodulen, wobei die Nadelmodule sowohl in einem Zustand vor als auch in einem Zustand nach dem Einsetzen in das Nadelbrett dargestellt sind;
Fig. 3
ist eine Draufsicht auf das Nadelbrett aus Fig. 2;
Fig. 4
ist eine Querschnittsansicht des Nadelbretts entlang der Linie A-A aus Fig. 3;
Fig. 5
ist eine Perspektivansicht einer zweiten Ausführungsform des erfindungsgemäßen Nadelbretts mit drei mit Nadeln bestückten Nadelmodulen, wobei die Nadelmodule sowohl in einem Zustand vor als auch in einem Zustand nach dem Einsetzen in das Nadelbrett dargestellt sind;
Fig. 6
ist eine Perspektivansicht einer dritten Ausführungsform des erfindungsgemäßen Nadelbretts mit drei mit Nadeln bestückten Nadelmodulen, wobei die Nadelmodule sowohl in einem Zustand vor als auch in einem Zustand nach dem Einsetzen in das Nadelbrett dargestellt sind; und
Fig. 7
ist eine Perspektivansicht einer vierten Ausführungsform des erfindungsgemäßen Nadelbretts mit mehreren mit Nadeln bestückten Nadelmodulen, wobei manche Nadelmodule sowohl in einem Zustand vor als auch in einem Zustand nach dem Einsetzen in das Nadelbrett dargestellt sind.
The invention will be explained in more detail with reference to embodiments shown in the drawings.
Fig. 1
Fig. 12 is a schematic view of the basic construction of a simple needle loom;
Fig. 2
Figure 3 is a perspective view of a first embodiment of the needle board according to the invention with three needle modules equipped with needles, the needle modules being shown both in a state before and in a state after insertion into the needle board;
Fig. 3
is a top view of the needle board Fig. 2 ;
Fig. 4
is a cross-sectional view of the needle board along the line AA Fig. 3 ;
Fig. 5
Figure 3 is a perspective view of a second embodiment of the needle board according to the invention with three needle modules equipped with needles, wherein the needle modules are shown both in a state before and in a state after insertion into the needle board;
Fig. 6
Figure 3 is a perspective view of a third embodiment of the needle board according to the invention with three needle modules equipped with needles, wherein the needle modules are shown both in a state before and in a state after insertion into the needle board; and
Fig. 7
is a perspective view of a fourth embodiment of the invention Needle boards having a plurality of needle modules equipped with needles, some needle modules being shown in a pre-conditional state as well as a post-insertion state in the needle board.

In Fig. 1 ist die schematische Struktur einer Nadelmaschine dargestellt. Ein Vlies 2 wird am Einlauf der Nadelmaschine zugeführt und zur Nadelzone gefördert. Im Bereich der Nadelzone ist ein Nadelbalken 4 mit einem daran befestigten Nadelbrett 6 angeordnet, welches mit Nadeln 8 zum Verfestigen des Vlieses bestückt ist. In diesem Bereich wird das zu vernadelnde Vlies 2 zwischen einer Niederhalterplatte 10 und einer Stichplatte 12 geführt. Die Nadeln 8 verdichten das Vlies 2, indem sie in den Vliesstoff mit hoher Frequenz hineingestochen und wieder herausgezogen werden. Dabei treten sie durch Ausnehmungen in der Niederhalterplatte 10 sowie der Stichplatte 12 hindurch. Das entstehende Produkt ist ein verfestigtes Vlies 14. Dem Fachmann sind die unterschiedlichsten Formen von Nadelmaschinen bekannt, darunter auch Doppelnadelmaschinen, bei denen von oben und von unten mittels zweier Nadelbalken genadelt wird, oder Nadelmaschinen, bei denen die Nadelbalken während des Verfestigungsvorgangs in Bewegungsrichtung des Vlieses mitbewegt werden.In Fig. 1 the schematic structure of a needle machine is shown. A fleece 2 is supplied at the inlet of the needle machine and conveyed to the needle zone. In the area of the needle zone, a needle bar 4 with a needle board 6 attached thereto is arranged, which is equipped with needles 8 for solidifying the nonwoven. In this area, the nonwoven 2 to be needled is guided between a hold-down plate 10 and a throat plate 12. The needles 8 densify the web 2 by being pierced into the nonwoven web at a high frequency and pulled out again. They pass through recesses in the hold-down plate 10 and the needle plate 12 therethrough. The resulting product is a consolidated web 14. The person skilled in the various forms of needle machines are known, including double needle machines, which is needled from above and below by means of two needle bars, or needle machines in which the needle bar during the solidification process in the direction of movement of the web be moved.

Das erfindungsgemäße Nadelbrett 6 ist für jede Art einer Nadelmaschine verwendbar. In Fig. 2 bis 4 ist eine erste bevorzugte Ausführungsform des erfindungsgemäßen Nadelbretts 6 gezeigt.The needle board 6 according to the invention can be used for any type of needle machine. In Fig. 2 to 4 a first preferred embodiment of the needle board 6 according to the invention is shown.

Das Nadelbrett 6 umfasst eine Grundplatte 16, in die eine Mehrzahl von Aufnahmen 18 geformt ist, welche hier in Form von längs laufenden Schlitzen ausgebildet sind. Die Grundplatte 16 besteht vorzugsweise aus Aluminium, es sind aber auch andere Materialien wie Magnesium usw. möglich. In die Schlitze 18 sind jeweils Nadelmodule 20 eingeführt. Jedes Nadelmodul 20 besitzt eine Trägerplatte 22, die eine Mehrzahl von Ausnehmungen 23 aufweist, in die jeweils eine Nadel 8 eingeführt ist.The needle board 6 comprises a base plate 16, in which a plurality of receptacles 18 is formed, which are formed here in the form of longitudinal slots. The base plate 16 is preferably made of aluminum, but other materials such as magnesium, etc. are also possible. In the slots 18 each needle modules 20 are inserted. Each needle module 20 has a carrier plate 22, which has a plurality of recesses 23, in each of which a needle 8 is inserted.

In Fig. 2 sind drei Nadelmodule 20 einerseits in einem vom Nadelbrett 6 separierten Zustand und andererseits in einem in das Nadelbrett 6 eingeführten Zustand dargestellt. Zur besseren Veranschaulichung sind drei Schlitze 18 des Nadelbretts 6 im rechten Bereich der Figur unbefüllt dargestellt.In Fig. 2 three needle modules 20 are shown on the one hand in a state separated from the needle board 6 and on the other hand in a state introduced into the needle board 6. To better illustrate three slots 18 of the needle board 6 are shown unfilled in the right part of the figure.

Die Nadelmodule 20 sind in die Schlitze 18 eingeführt und dort formschlüssig gehalten, wobei die Trägerplatte 22 den Schlitz 18 der Grundplatte 16 ausfüllt. Wie insbesondere aus Fig. 4 hervorgeht, kann jeder Schlitz 18 in seinem Wandbereich einen umlaufenden Absatz 24 aufweisen, auf dem im eingeführten Zustand der Trägerplatte 22 ein vorstehender Randabschnitt 26 der Trägerplatte 22 aufliegt. Abhängig von der Beschleunigung des Nadelbretts 6 können der Absatz 24 und der vorstehende Randabschnitt 26 auch weggelassen werden. In diesem Fall wird die notwendige Kraft zum Festhalten der Nadelmodule 20 in der Grundplatte 16 durch Reibschluss erzeugt. Ebenso ist eine konische Verengung der Schlitze 18 in Richtung ihres unteren Randes sowie eine entsprechende Form der Trägerplatten 22 denkbar.The needle modules 20 are inserted into the slots 18 and held there in a form-fitting manner, wherein the carrier plate 22 fills the slot 18 of the base plate 16. As in particular from Fig. 4 shows, each slot 18 may have in its wall portion a peripheral shoulder 24 on which in the inserted state of the support plate 22, a protruding edge portion 26 of the support plate 22 rests. Depending on the acceleration of the needle board 6, the shoulder 24 and the protruding edge portion 26 may also be omitted. In this case, the necessary force for holding the needle modules 20 in the base plate 16 is generated by frictional engagement. Likewise, a conical narrowing of the slots 18 in the direction of its lower edge and a corresponding shape of the support plates 22 is conceivable.

Die Nadeln 8 selbst können abgewinkelte Köpfe (nicht dargestellt) aufweisen, welche beispielsweise in einer entsprechend geformten Nut der Trägerplatte 22 liegen und bündig mit der Außenseite der Trägerplatte 22 abschließen.The needles 8 themselves can have angled heads (not shown) which, for example, lie in a correspondingly shaped groove of the carrier plate 22 and terminate flush with the outside of the carrier plate 22.

Alternativ können die Nadeln 8 lediglich durch die Klemmkräfte der Passung zwischen dem Schaft der Nadeln und der Trägerplatte 22 halten. Ebenso könnte man auch den Kopf jeder Nadel 8 anstauchen, so dass ein Formschluss entsteht. Der Nadelschaft kann jeweils angeraut sein.Alternatively, the needles 8 can only be held by the clamping forces of the fit between the shaft of the needles and the carrier plate 22. Likewise, you could also upset the head of each needle 8, so that a positive connection is created. The needle shaft can be roughened in each case.

Die Bestückung der Nadelmodule 20 mit den Nadeln 8 kann klassisch durch Eindrücken erfolgen, oder die Nadeln können in einem vorbestimmten Muster bereitgestellt werden, um dann die Trägerplatte 22 anzugießen bzw. anzuspritzen.The loading of the needle modules 20 with the needles 8 can be done conventionally by impressions, or the needles can be provided in a predetermined pattern, then to the carrier plate 22 or to inject.

Um sowohl das Einfügen der Nadeln 8 in die Trägerplatte 22 als auch das Einfügen der Trägerplatten 22 in die Schlitze 18 zu vereinfachen, können Bestückungsautomaten vorgesehen sein, welche diese standardisierten Vorgänge ohne manuellen Aufwand durchführen. Ebenso ist es denkbar, beide Vorgänge in einem Automaten ablaufen zu lassen.In order to simplify both the insertion of the needles 8 in the support plate 22 and the insertion of the support plates 22 in the slots 18, placement machines can be provided which perform these standardized operations without manual effort. Likewise, it is conceivable to run both processes in a machine.

Auch das alternative Angießen bzw. Anspritzen der Trägerplatte 22 aus Kunststoff an die Nadeln 8 kann vorzugsweise automatisch erfolgen.The alternative casting or injection molding of the support plate 22 made of plastic to the needles 8 can preferably be done automatically.

Im Beispielsfall aus Fig. 2 bis 4 sind drei Nadelmodule 20 zu einer Gruppe angeordnet, wobei jedes Nadelmodul 20 eine Reihe von Nadeln 8 enthält. Es ist aber auch jede andere geometrische Anordnung der Nadeln innerhalb eines Nadelmoduls 20 möglich, und die Anordnung der unterschiedlichen Nadelmodule 20 zueinander kann ebenfalls beliebig variieren.In the example off Fig. 2 to 4 are three needle modules 20 arranged in a group, wherein Each needle module 20 includes a row of needles 8. But it is also possible any other geometric arrangement of the needles within a needle module 20, and the arrangement of the different needle modules 20 to each other can also vary arbitrarily.

Im Beispielsfall der Fig. 2 bis 4 sind die Nadeln 8 in der Bewegungsrichtung des Vlieses in Reihen angeordnet. Andere Ausrichtungen zeigen die in Fig. 5 bis 7 dargestellten Ausführungsformen. In Fig. 5 sind die Nadeln 8 in Reihen quer zur Bewegungsrichtung des Vlieses angeordnet, in Fig. 6 schräg dazu. Fig. 7 zeigt keine Anordnung der einzelnen Nadelmodule 20 zu Gruppen, sondern eine versetzte Anordnung der einzelnen Nadelmodule 20 in einem Muster.In the example of the Fig. 2 to 4 the needles 8 are arranged in rows in the direction of movement of the web. Other orientations show the in Fig. 5 to 7 illustrated embodiments. In Fig. 5 the needles 8 are arranged in rows transversely to the direction of movement of the fleece, in Fig. 6 at an angle. Fig. 7 shows no arrangement of the individual needle modules 20 in groups, but a staggered arrangement of the individual needle modules 20 in a pattern.

Die Schlitze 18 können auch andere Ausrichtungen zweigen, und es kann sogar eine beliebige andere Form von Aufnahmen 18 in der Grundplatte 16 ausgebildet sein. Das Material der Trägerplatte 22 ist vorzugsweise ein harter Kunststoff, der mit Glasfaser verstärkt sein kann. Die Trägerplatten 22 können für den Einbau in ebene Nadelbretter 6 eben ausgebildet sein, oder sie können für den Einbau in gekrümmte Nadelbretter 6 gekrümmt ausgebildet sein. Allerdings ist es auch möglich, ebene Trägerplatten 22 in gekrümmte Nadelbretter 6 einzusetzen, da sich bei der Befestigung des Nadelbretts 6 am Nadelbalken 4 das Nadelbrett 6 geraderichtet.The slots 18 may also branch other orientations, and any other form of receptacles 18 may be formed in the base plate 16. The material of the support plate 22 is preferably a hard plastic that may be reinforced with glass fiber. The support plates 22 may be flat for installation in flat needle boards 6, or they may be formed curved for installation in curved needle boards 6. However, it is also possible to use planar support plates 22 in curved needle boards 6, since in the attachment of the needle board 6 on the needle bar 4, the needle board 6 straightened.

Durch die erfindungsgemäße modulartige Struktur des Nadelbretts 6 wird der Nutzer in die Lage versetzt, sehr rasch Nadeln 8 im Nadelbrett 6 zu bestücken oder zu wechseln.By virtue of the modular structure of the needle board 6 according to the invention, the user is enabled to load or change needles 8 in the needle board 6 very quickly.

Claims (15)

Nadelbrett für eine Nadelmaschine, mit
einer Grundplatte (16), und
einer Mehrzahl von Nadeln (8), die in einem vorbestimmten Muster im Bereich der Grundplatte (16) angeordnet sind und deren Spitzen aus der Grundplatte (16) hervorragen,
dadurch gekennzeichnet, dass
das Nadelbrett eine Mehrzahl von Nadelmodulen (20) aufweist, von denen jedes eine Trägerplatte (22) aufweist, die mit einer Mehrzahl von Nadeln (8) ausgestattet ist und in eine Aufnahme (18) der Grundplatte (16) eingesetzt ist.Needle board for a needle machine, with
a base plate (16), and
a plurality of needles (8) which are arranged in a predetermined pattern in the region of the base plate (16) and whose tips protrude from the base plate (16),
characterized in that
the needle board comprises a plurality of needle modules (20) each having a support plate (22) provided with a plurality of needles (8) and inserted into a receptacle (18) of the base plate (16). Nadelbrett nach Anspruch 1, dadurch gekennzeichnet, dass die Aufnahmen (18) als Schlitze in der Grundplatte (16) ausgebildet sind.Needle board according to claim 1, characterized in that the receptacles (18) are formed as slots in the base plate (16). Nadelbrett nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Trägerplatten (22) einen vorstehenden Randabschnitt (26) aufweisen, der jeweils auf einem Absatz (24) im Wandbereich der entsprechenden Aufnahme (18) in der Grundplatte (16) aufliegt.Needle board according to one of the preceding claims, characterized in that the carrier plates (22) have a protruding edge portion (26) which rests in each case on a shoulder (24) in the wall region of the corresponding receptacle (18) in the base plate (16). Nadelbrett nach Anspruch 3, dadurch gekennzeichnet, dass der vorstehende Randabschnitt (26) und der Absatz (24) umlaufend ausgebildet sind.Needle board according to claim 3, characterized in that the projecting edge portion (26) and the shoulder (24) are formed circumferentially. Nadelbrett nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Trägerplatten (22) aus Kunststoff gebildet sind.Needle board according to one of the preceding claims, characterized in that the carrier plates (22) are formed from plastic. Nadelbrett nach Anspruch 5, dadurch gekennzeichnet, dass die Trägerplatten (22) an die Nadeln (8) angegossen oder angespritzt sind.Needle board according to claim 5, characterized in that the carrier plates (22) are cast or molded onto the needles (8). Nadelbrett nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Nadeln (8) einen rauhen Nadelschaft aufweisen.Needle board according to one of the preceding claims, characterized that the needles (8) have a rough needle shaft. Nadelbrett nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Nadeln (8) angestauchte oder abgewinkelte Köpfe aufweisen.Needle board according to one of the preceding claims, characterized in that the needles (8) have upturned or angled heads. Nadelbrett nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jedes Nadelmodul (20) mindestens eine Reihe von Nadeln (8) aufweist.Needle board according to one of the preceding claims, characterized in that each needle module (20) has at least one row of needles (8). Nadelbrett nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Nadeln (8) in einem Nadelmodul (20) ungleichmäßig angeordnet sind.Needle board according to one of claims 1 to 8, characterized in that the needles (8) in a needle module (20) are arranged non-uniformly. Nadelbrett nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die einzelnen Nadelmodule (20) in der Grundplatte (16) in Gruppen angeordnet sind.Needle board according to one of the preceding claims, characterized in that the individual needle modules (20) in the base plate (16) are arranged in groups. Nadelbrett nach Anspruch 11, dadurch gekennzeichnet, dass die einzelnen Gruppen versetzt zueinander angeordnet sind.Needle board according to claim 11, characterized in that the individual groups are arranged offset from one another. Verfahren zur Herstellung eines Nadelbretts (6) für eine Nadelmaschine, mit folgenden Schritten: - Bereitstellen einer Grundplatte (16) mit mehreren Aufnahmen (18); - Bereitstellen mehrerer Nadelmodule (20), deren Trägerplatte (22) jeweils mit mehreren Nadeln (8) bestückt ist; und - Einfügen der Nadelmodule (20) in die Aufnahmen (18) der Grundplatte (16). Method for producing a needle board (6) for a needle machine, comprising the following steps: - Providing a base plate (16) with a plurality of receptacles (18); - Providing a plurality of needle modules (20), the support plate (22) each having a plurality of needles (8) is equipped; and - Inserting the needle modules (20) in the receptacles (18) of the base plate (16). Nadelbrett nach Anspruch 13, dadurch gekennzeichnet, dass der Schritt des Bereitstellens mehrerer Nadelmodule (20) den Schritt umfasst, mehrere Trägerplatten (22) zu formen, die Ausnehmungen (23) aufweisen, und die Mehrzahl von Nadeln (8) in die Ausnehmungen (23) einzuführen.Needle board according to claim 13, characterized in that the step of providing a plurality of needle modules (20) comprises the step of forming a plurality of support plates (22) having recesses (23) and the plurality of needles (8) in the recesses (23 ) introduce. Nadelbrett nach Anspruch 13, dadurch gekennzeichnet, dass der Schritt des Bereitstellens mehrerer Nadelmodule (20) den Schritt umfasst, die Mehrzahl von Nadeln (8) bereitzustellen und die Trägerplatte (22) aus Kunststoff anzugießen oder anzuspritzen.Needle board according to claim 13, characterized in that the step of providing a plurality of needle modules (20) comprises the step of providing the plurality of needles (8) and the plastic carrier plate (22) to be applied or sprayed.
EP08011414A 2008-06-24 2008-06-24 Needle board for a needle machine Active EP2138616B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP11180560A EP2395143A1 (en) 2008-06-24 2008-06-24 Needle board for a needle machine
EP08011414A EP2138616B1 (en) 2008-06-24 2008-06-24 Needle board for a needle machine
AT08011414T ATE529557T1 (en) 2008-06-24 2008-06-24 NEEDLE BOARD FOR A NEEDLE MACHINE
AT08171805T ATE505574T1 (en) 2008-06-24 2008-12-16 NEEDLE BOARD FOR A NEEDLE MACHINE
EP08171805A EP2138617B1 (en) 2008-06-24 2008-12-16 Needle board for a needle machine
DE502008003172T DE502008003172D1 (en) 2008-06-24 2008-12-16 Needle board for a needle machine
PT08171805T PT2138617E (en) 2008-06-24 2008-12-16 Needle board for a needle machine
US12/490,007 US8099841B2 (en) 2008-06-24 2009-06-23 Needle board for a needle machine
CN200910146742.4A CN101613911B (en) 2008-06-24 2009-06-24 Needle board for needle machine

Applications Claiming Priority (1)

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EP08011414A EP2138616B1 (en) 2008-06-24 2008-06-24 Needle board for a needle machine

Related Child Applications (1)

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EP11180560.2 Division-Into 2011-09-08

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EP2138616B1 EP2138616B1 (en) 2011-10-19

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EP3165659A1 (en) * 2015-11-05 2017-05-10 Oskar Dilo Maschinenfabrik KG Nail module for a needle board of a needle machine
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CN112011899A (en) * 2019-05-29 2020-12-01 奥斯卡迪罗机械制造公司 Stripping plate and supporting plate for needle machine
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CN112011899B (en) * 2019-05-29 2022-09-16 奥斯卡迪罗机械制造公司 Stripping plate and supporting plate for needle machine

Also Published As

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US20100162543A1 (en) 2010-07-01
CN101613911A (en) 2009-12-30
ATE529557T1 (en) 2011-11-15
EP2138616B1 (en) 2011-10-19
US8099841B2 (en) 2012-01-24
CN101613911B (en) 2011-07-13
EP2395143A1 (en) 2011-12-14

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