EP3165660B1 - Needle board - Google Patents

Needle board Download PDF

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Publication number
EP3165660B1
EP3165660B1 EP15193390.0A EP15193390A EP3165660B1 EP 3165660 B1 EP3165660 B1 EP 3165660B1 EP 15193390 A EP15193390 A EP 15193390A EP 3165660 B1 EP3165660 B1 EP 3165660B1
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EP
European Patent Office
Prior art keywords
needle
rows
needles
needle board
longitudinal direction
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.)
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Application number
EP15193390.0A
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German (de)
French (fr)
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EP3165660A1 (en
Inventor
Trudbert Knopf
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
Original Assignee
Oskar Dilo Maschinenfabrik KG
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Publication date
Application filed by Oskar Dilo Maschinenfabrik KG filed Critical Oskar Dilo Maschinenfabrik KG
Priority to EP15193390.0A priority Critical patent/EP3165660B1/en
Priority to US15/342,745 priority patent/US9994983B2/en
Priority to CN201610973989.3A priority patent/CN107012594B/en
Publication of EP3165660A1 publication Critical patent/EP3165660A1/en
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Publication of EP3165660B1 publication Critical patent/EP3165660B1/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
    • D04H18/02—Needling machines with needles
    • 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

Definitions

  • the present invention relates to a needle board for use in a needling machine for needling a fabric, such as a nonwoven, fabric or fabric.
  • the present invention has for its object to provide a needle board for use in a needle machine for needling a textile fabric, with a uniform needled textile fabric is formed even at a large feed-per-stroke ratio or over a larger feed range of the needle machine.
  • the needle board for use in a needle machine for needling a fabric has a plurality of rows of needles arranged obliquely to a longitudinal direction of the needle board corresponding to a conveying direction of the fabric to be needled in the needle machine.
  • an amount of the angle of the second needle rows to the longitudinal direction of the needle board is different to an amount of the angle of the first rows of needles to the longitudinal direction of the needle board.
  • the formation of patterns in the needled fabric can be prevented even at high conveying speeds of the textile fabric in the needle machine in the vast number of cases.
  • the rows of needles are arranged in blocks, wherein all rows of needles of a block are arranged parallel to each other.
  • a particularly homogeneous puncture pattern is achieved when the rows of needles are arranged such that an image of the rows of needles projected in or against the longitudinal direction of the needle board in a transverse direction of the needle board perpendicular to the longitudinal direction of the needle board provides at least sections equal transverse distances between the individual needle images ,
  • the transverse distances between the individual needle images are between 0.05 mm and 2.5 mm, preferably between 0.1 mm and 1.5 mm, particularly preferably between 0.2 mm and 1.0 mm.
  • the rows of needles are preferably arranged such that an image of the rows of needles projected in a transverse direction of the needle board, which is perpendicular to the longitudinal direction of the needle board, in the longitudinal direction of the needle board at least in sections provides different longitudinal distances between the individual needle images. If the needles in all rows of needles are equidistant from each other, this is automatically due to the difference in the angle of the rows of needles with respect to the longitudinal direction of the needle board. Typically, all of the rows of needles of a block of rows of needles are juxtaposed such that the same needles of each row of needles together form a transverse line. It follows, in turn, that the needle images within a block of rows of needles have the same longitudinal distances from each other.
  • the needle images within a block of first rows of needles have longitudinal spacings of 0.5 mm to 20 mm, preferably 1.0 mm to 15 mm, particularly preferably 2.0 mm to 5.0 mm.
  • the needle images within a block of second rows of needles have longitudinal spacings of 0.3 mm to 15 mm, preferably 0.7 mm to 10 mm, particularly preferably 1.5 mm to 4.0 mm.
  • the magnitude of the angle of the first rows of needles to the longitudinal direction of the needle board is between 10 ° and 30 °, preferably between 15 ° and 25 °, particularly preferably between 17 ° and 23 °.
  • the amount of the angle of the second rows of needles to the longitudinal direction of the needle board between 25 ° and 65 °, preferably between 30 ° and 60 °, more preferably between 42 ° and 48 °.
  • a row of needles has between 5 and 40 needles.
  • the needles of each row of needles are connected to each other and thus form a needle module which is arranged in a slot of the needle board.
  • Fig. 1 an embodiment of the needle board according to the invention is shown in plan view.
  • the individual needles 2 of the needle board are arranged in needle rows 6, 7 and shown in this plan view as dots. These needles 2 project with their tips into the plane of the drawing beyond the base body 4 of the needle board.
  • a row of needles 6, 7 comprises about 20 needles.
  • a row of needles 6, 7 comprises between 5 and 40 needles.
  • a variety of ways that are known in the art This includes, in particular, the individual assembly of bores of the main body 4 of the needle board, each with individual needles 2. It is also possible, as in Fig. 1 It is shown that the individual needles 2 of a row of needles 6, 7 are connected together in a needle module 8 are, which in turn is inserted as a unit in a slot 10 of the base body 4 of the needle board. In each of these cases rows of needles 6, 7 are formed.
  • the rows of needles 6, 7 are preferably arranged in blocks 12, 13.
  • the needle rows 6, 7 of these blocks 12, 13 are again arranged in the longitudinal direction L of the needle board in a herringbone pattern.
  • This is an arrangement in which the rows of needles 6, 7 of the individual blocks 12, 13 are arranged obliquely to the longitudinal direction L of the needle board, in such a way that the angle of all needle rows 6, 7 of a block 12, 13 to the longitudinal direction L of Needle board has a certain sign (+ or -) and the angle of all rows of needles 6, 7 of a longitudinal direction L adjoining block 12, 13 has a reverse sign to it.
  • successive rows of needles 6, 7 have the same amount of this angle, whereby a homogenous herringbone pattern can be formed in parts of the needle board.
  • Fig. 1 is distinguished between first rows of needles 6, which are combined in first blocks 12, and second rows of needles 7, which are combined in second blocks 13.
  • All rows of needles 6, 7 of a block 12, 13 are arranged parallel to one another.
  • the needle rows 6, 7 of a block 12, 13 ideally equal needle spacings in the direction of extension of the needle rows 6, 7 and viewed in the longitudinal direction L of the needle board, start and end at the same length.
  • the blocks 12, 13 may extend over the entire width of the needle board or only over portions thereof.
  • the following angles ⁇ , ⁇ always refer to the smaller of the two cutting angles of a row of needles 6, 7 with a straight line running in the longitudinal direction L of the needle board.
  • the amount of the angle ⁇ of second rows of needles 7 to the longitudinal direction L of the needle board is different from the amount of the angle ⁇ of first rows of needles 6 to the longitudinal direction L of the needle board.
  • the amount of the angle ⁇ of the first rows of needles 6 to the longitudinal direction L of the needle board is between 10 ° and 30 °, preferably between 15 ° and 25 °, more preferably between 17 ° and 23 °.
  • the amount of the angle ⁇ of the second rows of needles 7 to the longitudinal direction L of the needle board is between 25 ° and 65 °, preferably between 30 ° and 60 °, more preferably between 42 ° and 48 °.
  • the rows of needles 6, 7 are arranged such that a projection 14 of the needle rows 6, 7 projected in the transverse direction Q of the needle board, which is perpendicular to the longitudinal direction L of the needle board, at least in sections in the longitudinal direction L of the needle board has different longitudinal distances L1, L2 between the two individual needle images 16 supplies.
  • the needle images 16 within a block 12, 13 of needle rows 6, 7 in this case have the same longitudinal distances L1, L2 to each other.
  • the needle images 16 within a block 12 of first rows of needles 6 have longitudinal spacings L1 relative to each other, while the needle images 16 within a block 13 of second rows of needles 7 have longitudinal spacings L2 relative to each other.
  • the needle images 16 within a block 12 of first rows of needles 6 have longitudinal spacings L1 of 0.5 mm to 20 mm, preferably 1.0 mm to 15 mm, particularly preferably 2.0 mm to 5.0 mm to each other.
  • the needle images 16 within a block 13 of second rows of needles 7 have longitudinal distances L2 of 0.3 mm to 15 mm, preferably 0.7 mm to 10 mm, particularly preferably 1.5 mm to 4.0 mm to each other.
  • the rows of needles 6, 7 are arranged in such a way that an image 18 of the rows of needles 6, projected in or against the longitudinal direction L of the needle board, at least in sections, preferably over a large or the entire area, in the transverse direction Q of the needle board.
  • same transverse distances T between the needle images 20 provides. This is best from the enlarged view of the detail X in Fig. 2 seen.
  • the transverse distances T between the individual needle images 20 are between 0.05 mm and 2.5 mm, preferably between 0.1 mm and 1.5 mm, more preferably between 0.2 mm and 1.0 mm.
  • the configuration of the needle board can be modified in many ways. This applies both to the number of needles 2 of each row of needles 6, 7, the angles ⁇ and ⁇ of the rows of needles 6, 7 to the longitudinal direction L of the needle board, the number of rows of needles 6, 7 within a block 12, 13, the spacing of the individual needles 2 within a row of needles 6, 7 to each other or the distances of individual blocks 12, 13 of rows of needles 6, 7 to each other. Likewise, it is conceivable to realize within a needle row 6, 7 different distances between the individual needles 2 to each other.
  • the number of blocks 12, 13 of first and second rows of needles 6, 7 is as variable as their arrangement with each other.
  • Fig. 1 five blocks 12, 13 are shown, three blocks 12 first Needle rows 6 and two blocks 13 second rows of needles 7.
  • the blocks 12 first rows of needles 6 are arranged sequentially, as well as the blocks 13 second rows of needles 7. It would also be conceivable, the blocks 12, 13 first and second rows of needles 6, 7 in alternating or to arrange any other order.
  • Fig. 1 the rows of needles 6, 7 of the blocks 12, 13 arranged in the longitudinal direction L of the needle board in a herringbone pattern. It would also be conceivable to provide the oblique rows of needles 6, 7 in a different arrangement, eg two or more consecutive blocks 12, 13 at a positive angle to the longitudinal direction L and at least one other block 12, 13 at a negative angle to the longitudinal direction L or vice versa ,
  • the invention has hitherto been described in terms of blocks 12, 13 of rows of needles 6, 7 arranged in a herringbone arrangement with respect to each other. Likewise, rows of needles 6, 7 could be strung together in a herringbone pattern without forming blocks 12, 13.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Description

Die vorliegende Erfindung betrifft ein Nadelbrett zur Verwendung in einer Nadelmaschine zum Nadeln eines textilen Flächengebildes, wie eines Vliesstoffs, Gewebes oder Geleges.The present invention relates to a needle board for use in a needling machine for needling a fabric, such as a nonwoven, fabric or fabric.

Beim Vernadeln von textilen Flächengebilden, insbesondere von Vliesen, ist es erwünscht, eine möglichst gleichmäßige Vernadelung zu erreichen, ohne dass dadurch Muster im textilen Flächengebilde ausgebildet werden. Hierbei hat es sich als vorteilhaft erwiesen, wenn Nadelreihen im Fischgrätmuster angeordnet sind, und nicht lediglich in Zeilen bzw. Spalten, die in Längs- und in Querrichtung des Nadelbretts verlaufen. Dennoch entstehen insbesondere bei einem großen Vorschub-pro-Hub-Verhältnis teilweise Streifen oder Musterungen in den vernadelten textilen Flächengebilden.When needling textile fabrics, in particular nonwovens, it is desirable to achieve as uniform as possible needling without thereby forming patterns in the textile fabric. It has proven to be advantageous when rows of needles are arranged in herringbone pattern, and not only in rows or columns, which extend in the longitudinal and transverse direction of the needle board. Nevertheless, in particular in the case of a large feed-per-stroke ratio, there are sometimes streaks or patterns in the needle-punched textile fabrics.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Nadelbrett zur Verwendung in einer Nadelmaschine zum Nadeln eines textilen Flächengebildes anzugeben, mit dem auch bei einem großen Vorschub-pro-Hub-Verhältnis oder über einen größeren Vorschubbereich der Nadelmaschine ein gleichmäßig vernadeltes textiles Flächengebilde gebildet wird.The present invention has for its object to provide a needle board for use in a needle machine for needling a textile fabric, with a uniform needled textile fabric is formed even at a large feed-per-stroke ratio or over a larger feed range of the needle machine.

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

Erfindungsgemäß weist das Nadelbrett zur Verwendung in einer Nadelmaschine zum Nadeln eines textilen Flächengebildes eine Mehrzahl von Nadelreihen auf, die schräg zu einer Längsrichtung des Nadelbretts, die einer Förderrichtung des zu vernadelnden textilen Flächengebildes in der Nadelmaschine entspricht, angeordnet sind. Dabei ist ein Betrag des Winkels zweiter Nadelreihen zur Längsrichtung des Nadelbretts verschieden zu einem Betrag des Winkels erster Nadelreihen zur Längsrichtung des Nadelbretts.According to the invention, the needle board for use in a needle machine for needling a fabric has a plurality of rows of needles arranged obliquely to a longitudinal direction of the needle board corresponding to a conveying direction of the fabric to be needled in the needle machine. In this case, an amount of the angle of the second needle rows to the longitudinal direction of the needle board is different to an amount of the angle of the first rows of needles to the longitudinal direction of the needle board.

Durch die Variation des Betrages des Winkels und die damit erzielte Ungleichverteilung der Nadeln im Nadelbrett kann die Bildung von Musterungen im genadelten Flächengebilde auch bei großen Fördergeschwindigkeiten des textilen Flächengebildes in der Nadelmaschine in der überwiegenden Anzahl von Fällen verhindert werden.By varying the amount of the angle and the resulting unequal distribution of the needles in the needle board, the formation of patterns in the needled fabric can be prevented even at high conveying speeds of the textile fabric in the needle machine in the vast number of cases.

Vorzugsweise sind dabei die Nadelreihen in Blöcken angeordnet, wobei alle Nadelreihen eines Blockes parallel zueinander angeordnet sind.Preferably, the rows of needles are arranged in blocks, wherein all rows of needles of a block are arranged parallel to each other.

Zur weiteren Homogenisierung des Einstichbildes im vernadelten textilen Flächengebilde trägt bei, wenn die Nadelreihen oder Blöcke von Nadelreihen in einem Fischgrätmuster angeordnet sind.For further homogenization of the stitching pattern in needled textile fabric contributes when the needle rows or blocks of rows of needles are arranged in a herringbone pattern.

Ein besonders homogenes Einstichbild wird erzielt, wenn die Nadelreihen derart angeordnet sind, dass eine in oder entgegen der Längsrichtung des Nadelbretts projizierte Abbildung der Nadelreihen in einer Querrichtung des Nadelbretts, die senkrecht zur Längsrichtung des Nadelbretts ist, zumindest abschnittsweise gleiche Querabstände zwischen den einzelnen Nadelabbildungen liefert.A particularly homogeneous puncture pattern is achieved when the rows of needles are arranged such that an image of the rows of needles projected in or against the longitudinal direction of the needle board in a transverse direction of the needle board perpendicular to the longitudinal direction of the needle board provides at least sections equal transverse distances between the individual needle images ,

Um eine ausreichende Einstichdichte zu erhalten, betragen die Querabstände zwischen den einzelnen Nadelabbildungen zwischen 0,05 mm und 2,5 mm, vorzugsweise zwischen 0,1 mm und 1,5 mm, besonders bevorzugt zwischen 0,2 mm und 1,0 mm.In order to obtain a sufficient puncture density, the transverse distances between the individual needle images are between 0.05 mm and 2.5 mm, preferably between 0.1 mm and 1.5 mm, particularly preferably between 0.2 mm and 1.0 mm.

Die Nadelreihen sind vorzugsweise derart angeordnet, dass eine in einer Querrichtung des Nadelbretts, die senkrecht zur Längsrichtung des Nadelbretts ist, projizierte Abbildung der Nadelreihen in der Längsrichtung des Nadelbretts zumindest abschnittsweise unterschiedliche Längsabstände zwischen den einzelnen Nadelabbildungen liefert. Wenn die Nadeln in allen Nadelreihen gleiche Abstände zueinander aufweisen, ergibt sich dies automatisch aufgrund des unterschiedlichen Betrags des Winkels der Nadelreihen zur Längsrichtung des Nadelbretts. In der Regel sind alle Nadelreihen eines Blocks von Nadelreihen derart nebeneinander angeordnet, dass dieselben Nadeln jeder Nadelreihe gemeinsam eine in Querrichtung verlaufende Linie bilden. Daraus folgt wiederum, dass die Nadelabbildungen innerhalb eines Blocks von Nadelreihen dieselben Längsabstände zueinander aufweisen.The rows of needles are preferably arranged such that an image of the rows of needles projected in a transverse direction of the needle board, which is perpendicular to the longitudinal direction of the needle board, in the longitudinal direction of the needle board at least in sections provides different longitudinal distances between the individual needle images. If the needles in all rows of needles are equidistant from each other, this is automatically due to the difference in the angle of the rows of needles with respect to the longitudinal direction of the needle board. Typically, all of the rows of needles of a block of rows of needles are juxtaposed such that the same needles of each row of needles together form a transverse line. It follows, in turn, that the needle images within a block of rows of needles have the same longitudinal distances from each other.

Die Nadelabbildungen innerhalb eines Blocks von ersten Nadelreihen weisen zueinander Längsabstände von 0,5 mm bis 20 mm, vorzugsweise 1,0 mm bis 15 mm, besonders bevorzugt 2,0 mm bis 5,0 mm auf.The needle images within a block of first rows of needles have longitudinal spacings of 0.5 mm to 20 mm, preferably 1.0 mm to 15 mm, particularly preferably 2.0 mm to 5.0 mm.

Die Nadelabbildungen innerhalb eines Blocks von zweiten Nadelreihen weisen zueinander Längsabstände von 0,3 mm bis 15 mm, vorzugsweise 0,7 mm bis 10 mm, besonders bevorzugt 1,5 mm bis 4,0 mm auf.The needle images within a block of second rows of needles have longitudinal spacings of 0.3 mm to 15 mm, preferably 0.7 mm to 10 mm, particularly preferably 1.5 mm to 4.0 mm.

Als besonders bevorzugt hat sich herausgestellt, wenn der Betrag des Winkels der ersten Nadelreihen zur Längsrichtung des Nadelbretts zwischen 10° und 30°, vorzugsweise zwischen 15° und 25°, besonders bevorzugt zwischen 17° und 23° ist.It has proven to be particularly preferable if the magnitude of the angle of the first rows of needles to the longitudinal direction of the needle board is between 10 ° and 30 °, preferably between 15 ° and 25 °, particularly preferably between 17 ° and 23 °.

Ebenfalls hat es sich als vorteilhaft erwiesen, wenn der Betrag des Winkels der zweiten Nadelreihen zur Längsrichtung des Nadelbretts zwischen 25° und 65°, vorzugsweise zwischen 30° und 60°, besonders bevorzugt zwischen 42° und 48° ist.It has also proven to be advantageous if the amount of the angle of the second rows of needles to the longitudinal direction of the needle board between 25 ° and 65 °, preferably between 30 ° and 60 °, more preferably between 42 ° and 48 °.

Üblicherweise weist eine Nadelreihe zwischen 5 und 40 Nadeln auf.Usually, a row of needles has between 5 and 40 needles.

In einer bevorzugten Ausführungsform sind jeweils die Nadeln jeder Nadelreihe miteinander verbunden und bilden somit ein Nadelmodul, das in einem Schlitz des Nadelbretts angeordnet ist.In a preferred embodiment, the needles of each row of needles are connected to each other and thus form a needle module which is arranged in a slot of the needle board.

Weitere Merkmale und Vorteile der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung unter Bezugnahme auf die Zeichnung.

Fig. 1
ist eine Draufsicht auf einen Ausschnitt einer Ausführungsform eines erfindungsgemäßen Nadelbretts; und
Fig. 2
ist eine Draufsicht auf das Detail X aus Fig. 1.
Further features and advantages of the present invention will become apparent from the following description with reference to the drawings.
Fig. 1
is a plan view of a section of an embodiment of a needle board according to the invention; and
Fig. 2
is a top view of the detail X from Fig. 1 ,

In Fig. 1 ist eine Ausführungsform des erfindungsgemäßen Nadelbretts in Draufsicht dargestellt. Die einzelnen Nadeln 2 des Nadelbretts sind in Nadelreihen 6, 7 angeordnet und in dieser Draufsicht als Punkte dargestellt. Diese Nadeln 2 ragen mit ihren Spitzen in die Zeichenebene hinein über den Grundkörper 4 des Nadelbretts hinaus. In der dargestellten Ausführungsform umfasst eine Nadelreihe 6, 7 etwa 20 Nadeln. Üblicherweise umfasst eine Nadelreihe 6, 7 zwischen 5 und 40 Nadeln.In Fig. 1 an embodiment of the needle board according to the invention is shown in plan view. The individual needles 2 of the needle board are arranged in needle rows 6, 7 and shown in this plan view as dots. These needles 2 project with their tips into the plane of the drawing beyond the base body 4 of the needle board. In the illustrated embodiment, a row of needles 6, 7 comprises about 20 needles. Usually, a row of needles 6, 7 comprises between 5 and 40 needles.

Für die Befestigung der Nadeln 2 am Grundkörper 4 des Nadelbretts existiert eine Vielzahl von Möglichkeiten, die dem Fachmann bekannt sind. Hierzu gehört insbesondere die Einzelbestückung von Bohrungen des Grundkörpers 4 des Nadelbretts mit jeweils einzelnen Nadeln 2. Ebenso besteht die Möglichkeit, wie in Fig. 1 dargestellt ist, dass die einzelnen Nadeln 2 einer Nadelreihe 6, 7 zusammen in einem Nadelmodul 8 miteinander verbunden sind, das wiederum als Einheit in einen Schlitz 10 des Grundkörpers 4 des Nadelbretts eingefügt ist. In jedem dieser Fälle werden Nadelreihen 6, 7 gebildet.For the attachment of the needles 2 on the base body 4 of the needle board there are a variety of ways that are known in the art. This includes, in particular, the individual assembly of bores of the main body 4 of the needle board, each with individual needles 2. It is also possible, as in Fig. 1 It is shown that the individual needles 2 of a row of needles 6, 7 are connected together in a needle module 8 are, which in turn is inserted as a unit in a slot 10 of the base body 4 of the needle board. In each of these cases rows of needles 6, 7 are formed.

Die Nadelreihen 6, 7 sind vorzugsweise in Blöcken 12, 13 angeordnet. Die Nadelreihen 6, 7 dieser Blöcke 12, 13 sind wiederum in Längsrichtung L des Nadelbretts in einem Fischgrätmuster angeordnet. Darunter ist eine Anordnung zu verstehen, bei der die Nadelreihen 6, 7 der einzelnen Blöcke 12, 13 schräg zur Längsrichtung L des Nadelbretts angeordnet sind, und zwar so, dass der Winkel aller Nadelreihen 6, 7 eines Blockes 12, 13 zur Längsrichtung L des Nadelbretts ein bestimmtes Vorzeichen (+ oder -) hat und der Winkel aller Nadelreihen 6, 7 eines sich in Längsrichtung L daran anschließenden Blockes 12, 13 ein dazu umgekehrtes Vorzeichen hat. Oftmals haben aufeinanderfolgende Nadelreihen 6, 7 den gleichen Betrag dieses Winkels, wodurch in Teilen des Nadelbretts ein homogenes Fischgrätmuster gebildet sein kann.The rows of needles 6, 7 are preferably arranged in blocks 12, 13. The needle rows 6, 7 of these blocks 12, 13 are again arranged in the longitudinal direction L of the needle board in a herringbone pattern. This is an arrangement in which the rows of needles 6, 7 of the individual blocks 12, 13 are arranged obliquely to the longitudinal direction L of the needle board, in such a way that the angle of all needle rows 6, 7 of a block 12, 13 to the longitudinal direction L of Needle board has a certain sign (+ or -) and the angle of all rows of needles 6, 7 of a longitudinal direction L adjoining block 12, 13 has a reverse sign to it. Often, successive rows of needles 6, 7 have the same amount of this angle, whereby a homogenous herringbone pattern can be formed in parts of the needle board.

Im dargestellten Nadelbrett der Fig. 1 wird zwischen ersten Nadelreihen 6, die in ersten Blöcken 12 zusammengefasst sind, und zweiten Nadelreihen 7, die in zweiten Blöcken 13 zusammengefasst sind, unterschieden. Aus Fig. 1 wird klar, dass alle Nadelreihen 6, 7 eines Blocks 12, 13 parallel zueinander angeordnet sind. Außerdem sollen die Nadelreihen 6, 7 eines Blocks 12, 13 idealerweise gleiche Nadelabstände in Erstreckungsrichtung der Nadelreihen 6, 7 aufweisen und, in Längsrichtung L des Nadelbretts betrachtet, auf derselben Länge beginnen und enden. In Querrichtung Q des Nadelbretts können sich die Blöcke 12, 13 über die gesamte Breite des Nadelbretts oder nur über Teilabschnitte davon erstrecken.In the illustrated needle board the Fig. 1 is distinguished between first rows of needles 6, which are combined in first blocks 12, and second rows of needles 7, which are combined in second blocks 13. Out Fig. 1 It will be understood that all rows of needles 6, 7 of a block 12, 13 are arranged parallel to one another. In addition, the needle rows 6, 7 of a block 12, 13 ideally equal needle spacings in the direction of extension of the needle rows 6, 7 and viewed in the longitudinal direction L of the needle board, start and end at the same length. In the transverse direction Q of the needle board, the blocks 12, 13 may extend over the entire width of the needle board or only over portions thereof.

Unter den folgenden Winkeln α, β ist immer der kleinere der beiden Schnittwinkel einer Nadelreihe 6, 7 mit einer in Längsrichtung L des Nadelbretts verlaufenden Geraden zu verstehen. Der Betrag des Winkels β zweiter Nadelreihen 7 zur Längsrichtung L des Nadelbretts ist verschieden zu dem Betrag des Winkels α erster Nadelreihen 6 zur Längsrichtung L des Nadelbretts. Der Betrag des Winkels α der ersten Nadelreihen 6 zur Längsrichtung L des Nadelbretts beträgt zwischen 10° und 30°, vorzugsweise zwischen 15° und 25°, besonders bevorzugt zwischen 17° und 23°. Der Betrag des Winkels β der zweiten Nadelreihen 7 zur Längsrichtung L des Nadelbretts beträgt zwischen 25° und 65°, vorzugsweise zwischen 30° und 60°, besonders bevorzugt zwischen 42° und 48°.The following angles α, β always refer to the smaller of the two cutting angles of a row of needles 6, 7 with a straight line running in the longitudinal direction L of the needle board. The amount of the angle β of second rows of needles 7 to the longitudinal direction L of the needle board is different from the amount of the angle α of first rows of needles 6 to the longitudinal direction L of the needle board. The amount of the angle α of the first rows of needles 6 to the longitudinal direction L of the needle board is between 10 ° and 30 °, preferably between 15 ° and 25 °, more preferably between 17 ° and 23 °. The amount of the angle β of the second rows of needles 7 to the longitudinal direction L of the needle board is between 25 ° and 65 °, preferably between 30 ° and 60 °, more preferably between 42 ° and 48 °.

Die Nadelreihen 6, 7 sind dabei derart angeordnet, dass eine in Querrichtung Q des Nadelbretts, die senkrecht zur Längsrichtung L des Nadelbretts ist, projizierte Abbildung 14 der Nadelreihen 6, 7 in der Längsrichtung L des Nadelbretts zumindest abschnittsweise unterschiedliche Längsabstände L1, L2 zwischen den einzelnen Nadelabbildungen 16 liefert. Die Nadelabbildungen 16 innerhalb eines Blocks 12, 13 von Nadelreihen 6, 7 weisen dabei dieselben Längsabstände L1, L2 zueinander auf. Im vorliegenden Fall weisen die Nadelabbildungen 16 innerhalb eines Blocks 12 von ersten Nadelreihen 6 Längsabstände L1 zueinander auf, während die Nadelabbildungen 16 innerhalb eines Blocks 13 von zweiten Nadelreihen 7 Längsabstände L2 zueinander aufweisen. Die Nadelabbildungen 16 innerhalb eines Blocks 12 von ersten Nadelreihen 6 weisen Längsabstände L1 von 0,5 mm bis 20 mm, vorzugsweise 1,0 mm bis 15 mm, besonders bevorzugt 2,0 mm bis 5,0 mm zueinander auf. Die Nadelabbildungen 16 innerhalb eines Blocks 13 von zweiten Nadelreihen 7 weisen Längsabstände L2 von 0,3 mm bis 15 mm, vorzugsweise 0,7 mm bis 10 mm, besonders bevorzugt 1,5 mm bis 4,0 mm zueinander auf.The rows of needles 6, 7 are arranged such that a projection 14 of the needle rows 6, 7 projected in the transverse direction Q of the needle board, which is perpendicular to the longitudinal direction L of the needle board, at least in sections in the longitudinal direction L of the needle board has different longitudinal distances L1, L2 between the two individual needle images 16 supplies. The needle images 16 within a block 12, 13 of needle rows 6, 7 in this case have the same longitudinal distances L1, L2 to each other. In the present case, the needle images 16 within a block 12 of first rows of needles 6 have longitudinal spacings L1 relative to each other, while the needle images 16 within a block 13 of second rows of needles 7 have longitudinal spacings L2 relative to each other. The needle images 16 within a block 12 of first rows of needles 6 have longitudinal spacings L1 of 0.5 mm to 20 mm, preferably 1.0 mm to 15 mm, particularly preferably 2.0 mm to 5.0 mm to each other. The needle images 16 within a block 13 of second rows of needles 7 have longitudinal distances L2 of 0.3 mm to 15 mm, preferably 0.7 mm to 10 mm, particularly preferably 1.5 mm to 4.0 mm to each other.

Besonders bevorzugt ist es, wenn die Nadelreihen 6, 7 derart angeordnet sind, dass eine in oder entgegen der Längsrichtung L des Nadelbretts projizierte Abbildung 18 der Nadelreihen 6,7 in Querrichtung Q des Nadelbretts zumindest abschnittsweise, vorzugsweise über einen großen oder den gesamten Bereich, gleiche Querabstände T zwischen den einzelnen Nadelabbildungen 20 liefert. Dies ist am besten aus der vergrößerten Darstellung des Details X in Fig. 2 ersichtlich. Die Querabstände T zwischen den einzelnen Nadelabbildungen 20 betragen dabei zwischen 0,05 mm und 2,5 mm, vorzugsweise zwischen 0,1 mm und 1,5 mm, besonders bevorzugt zwischen 0,2 mm und 1,0 mm.It is particularly preferred if the rows of needles 6, 7 are arranged in such a way that an image 18 of the rows of needles 6, projected in or against the longitudinal direction L of the needle board, at least in sections, preferably over a large or the entire area, in the transverse direction Q of the needle board. same transverse distances T between the needle images 20 provides. This is best from the enlarged view of the detail X in Fig. 2 seen. The transverse distances T between the individual needle images 20 are between 0.05 mm and 2.5 mm, preferably between 0.1 mm and 1.5 mm, more preferably between 0.2 mm and 1.0 mm.

Es dürfte klar sein, dass die Ausgestaltung des Nadelbretts in vielfacher Weise modifiziert werden kann. Dies betrifft sowohl die Anzahl von Nadeln 2 jeder Nadelreihe 6, 7, die Winkel α und β der Nadelreihen 6, 7 zur Längsrichtung L des Nadelbretts, die Anzahl von Nadelreihen 6, 7 innerhalb eines Blockes 12, 13, die Teilungsabstände der einzelnen Nadeln 2 innerhalb einer Nadelreihe 6, 7 zueinander oder die Abstände einzelner Blöcke 12, 13 von Nadelreihen 6, 7 zueinander. Ebenso ist es denkbar, innerhalb einer Nadelreihe 6, 7 unterschiedliche Abstände der einzelnen Nadeln 2 zueinander zu verwirklichen.It will be clear that the configuration of the needle board can be modified in many ways. This applies both to the number of needles 2 of each row of needles 6, 7, the angles α and β of the rows of needles 6, 7 to the longitudinal direction L of the needle board, the number of rows of needles 6, 7 within a block 12, 13, the spacing of the individual needles 2 within a row of needles 6, 7 to each other or the distances of individual blocks 12, 13 of rows of needles 6, 7 to each other. Likewise, it is conceivable to realize within a needle row 6, 7 different distances between the individual needles 2 to each other.

Dia Anzahl von Blöcken 12, 13 erster und zweiter Nadelreihen 6, 7 ist ebenso variabel wie ihre Anordnung zueinander. In Fig. 1 sind fünf Blöcke 12, 13 dargestellt, drei Blöcke 12 erster Nadelreihen 6 und zwei Blöcke 13 zweiter Nadelreihen 7. Die Blöcke 12 erster Nadelreihen 6 sind dabei nacheinander angeordnet, ebenso wie die Blöcke 13 zweiter Nadelreihen 7. Es wäre auch denkbar, die Blöcke 12, 13 erster und zweiter Nadelreihen 6, 7 in abwechselnder oder beliebiger anderer Reihenfolge anzuordnen.The number of blocks 12, 13 of first and second rows of needles 6, 7 is as variable as their arrangement with each other. In Fig. 1 five blocks 12, 13 are shown, three blocks 12 first Needle rows 6 and two blocks 13 second rows of needles 7. The blocks 12 first rows of needles 6 are arranged sequentially, as well as the blocks 13 second rows of needles 7. It would also be conceivable, the blocks 12, 13 first and second rows of needles 6, 7 in alternating or to arrange any other order.

Schließlich sind in Fig. 1 die Nadelreihen 6, 7 der Blöcke 12, 13 in Längsrichtung L des Nadelbretts in einem Fischgrätmuster angeordnet. Ebenso wäre es denkbar, die schrägen Nadelreihen 6, 7 in einer anderen Anordnung vorzusehen, z.B. zwei oder mehr aufeinanderfolgende Blöcke 12, 13 unter einem positiven Winkel zur Längsrichtung L und mindestens einen anderen Block 12, 13 unter einem negativen Winkel zur Längsrichtung L oder umgekehrt.Finally, in Fig. 1 the rows of needles 6, 7 of the blocks 12, 13 arranged in the longitudinal direction L of the needle board in a herringbone pattern. It would also be conceivable to provide the oblique rows of needles 6, 7 in a different arrangement, eg two or more consecutive blocks 12, 13 at a positive angle to the longitudinal direction L and at least one other block 12, 13 at a negative angle to the longitudinal direction L or vice versa ,

Die Erfindung wurde bislang hinsichtlich von Blöcken 12, 13 von Nadelreihen 6, 7 beschrieben, die in einer Fischgrätanordnung zueinander angeordnet sind. Ebenso könnten Nadelreihen 6, 7 in einer Fischgrätanordnung aneinander gereiht sein, ohne Blöcke 12, 13 zu bilden.The invention has hitherto been described in terms of blocks 12, 13 of rows of needles 6, 7 arranged in a herringbone arrangement with respect to each other. Likewise, rows of needles 6, 7 could be strung together in a herringbone pattern without forming blocks 12, 13.

Claims (13)

  1. Needle board for use in a needling machine for needling a textile fabric, wherein the needle board comprises a plurality of needle rows (6, 7) which are arranged obliquely to a longitudinal direction (L) of the needle board, which corresponds to a feed direction of the fabric which is to be needled in the needle machine,
    characterised in that a magnitude of the angle (β) of the second needle rows (7) to the longitudinal direction (L) of the needle board is different from a magnitude of the angle (α) of first needle rows (6) to the longitudinal direction (L) of the needle board.
  2. Needle board according to claim 1, characterised in that the needle rows (6, 7) are arranged in blocks (12, 13) wherein all the needle rows (6, 7) of one block (12, 13) are arranged parallel to one another.
  3. Needle board according to claim 1 or 2 characterised in that the needle rows (6, 7) or blocks (12, 13) of needle rows (6, 7) are arranged in a herringbone pattern.
  4. Needle board according to one of the preceding claims characterised that the needle rows (6, 7) are arranged so that an imaging (18), projected in or against the longitudinal direction (L) of the needle board, of the needle rows (6, 7) in a transverse direction (Q) of the needle board, which is at right angles to the longitudinal direction (L) of the needle board, produces at least in some sections the same transverse intervals (T) between the individual needle imagings (20).
  5. Needle board according to claim 4, characterised in that the transverse intervals (T) between the individual needle imagings (20) amount to between 0.05 mm and 2.5 mm, preferably between 0.1 mm and 1.5 mm, and in a more particularly preferred manner between 0.2 mm and 1.0 mm.
  6. Needle board according to one of the preceding claims characterised in that the needle rows (6, 7) are arranged so that an imaging (14), projected in a transverse direction (Q) of the needle board, which is at right angles to the longitudinal direction (L) of the needle board, of the needle rows (6, 7) produces in the longitudinal direction (L) of the needle board at least in some sections different longitudinal intervals (L1, L2) between the individual needle imagings (16).
  7. Needle board according to claim 6 characterised in that the needle imagings (16) within one block (12, 13) of needle rows (6, 7) have the same longitudinal intervals (L1, L2) relative to one another.
  8. Needle board according to claim 7, characterised in that the needle imagings (16) within one block (12) of first needle rows (6) have longitudinal intervals (L1) of 0.5 mm to 20 mm, preferably 1.0 mm to 15 mm, and in a more particularly preferred manner 2.0 mm to 5.0 mm, relative to one another.
  9. Needle board according to claim 7 or 8 characterised in that the needle imagings (16) within one block (13) of second needle rows (7) have longitudinal intervals (L2) of 0.3 mm to 15 mm, preferably 0.7 to 10 mm, and in a more particularly preferred manner 1.5 mm to 4.0 mm, relative to one another.
  10. Needle board according to one of the preceding claims characterised in that the magnitude of the angle (α) of the first needle rows (6) to the longitudinal direction (L) of the needle board is between 10° and 30°, preferably between 15° and 25°, and in a more particularly preferred manner, to between 17° and 23°.
  11. Needle board according to one of the preceding claims, characterised in that the magnitude of the angle (β) of the second needle rows (7) to the longitudinal direction (L) of the needle board is between 25° and 65°, preferably between 30° and 60°, and in a more particularly preferred manner to between 42° and 48°.
  12. Needle board according to one of the preceding claims, characterised in that one needle row (6, 7) comprises between 5 and 40 needles (2).
  13. Needle board according to one of the preceding claims characterised in that the needles (2) of each needle row (6, 7) are each connected to one another and thus form a needle module (8) which is disposed in a slot (10) of the needle board.
EP15193390.0A 2015-11-06 2015-11-06 Needle board Active EP3165660B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15193390.0A EP3165660B1 (en) 2015-11-06 2015-11-06 Needle board
US15/342,745 US9994983B2 (en) 2015-11-06 2016-11-03 Needle board
CN201610973989.3A CN107012594B (en) 2015-11-06 2016-11-04 Needle plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15193390.0A EP3165660B1 (en) 2015-11-06 2015-11-06 Needle board

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EP3165660A1 EP3165660A1 (en) 2017-05-10
EP3165660B1 true EP3165660B1 (en) 2018-05-23

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US (1) US9994983B2 (en)
EP (1) EP3165660B1 (en)
CN (1) CN107012594B (en)

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FR3095214B1 (en) * 2019-04-17 2021-05-07 Andritz Asselin Thibeau Needling machine or multi-needle board needling line
EP3744889A1 (en) * 2019-05-29 2020-12-02 Oskar Dilo Maschinenfabrik KG Retention plate and needle plate for a needle machine
FR3098830B1 (en) * 2019-07-17 2022-09-09 Andritz Asselin Thibeau Elliptical movement needling machine, table for such a needling machine and method of manufacturing such a table
PL3896206T3 (en) * 2020-04-17 2023-04-11 Oskar Dilo Maschinenfabrik Kg Needle machine

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Publication number Publication date
EP3165660A1 (en) 2017-05-10
US9994983B2 (en) 2018-06-12
US20170130381A1 (en) 2017-05-11
CN107012594B (en) 2019-07-09
CN107012594A (en) 2017-08-04

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