EP2806058B1 - Integrated heat-setting - Google Patents

Integrated heat-setting Download PDF

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Publication number
EP2806058B1
EP2806058B1 EP13169193.3A EP13169193A EP2806058B1 EP 2806058 B1 EP2806058 B1 EP 2806058B1 EP 13169193 A EP13169193 A EP 13169193A EP 2806058 B1 EP2806058 B1 EP 2806058B1
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Prior art keywords
heating plate
knitted fabric
over
web
guided
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EP13169193.3A
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German (de)
French (fr)
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EP2806058A1 (en
Inventor
Christoph Sven Larsén
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Mattes and Ammann GmbH and Co KG
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Mattes and Ammann GmbH and Co KG
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Priority to EP13169193.3A priority Critical patent/EP2806058B1/en
Publication of EP2806058A1 publication Critical patent/EP2806058A1/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
    • D04B27/34—Take-up or draw-off devices for knitted products
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/88—Take-up or draw-off devices for knitting products
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/34—Devices for cutting knitted fabrics

Definitions

  • the invention relates to a method for producing thermoset mesh fabric and a corresponding device.
  • textile fabrics are subjected to heat setting. To do this, they are particularly exposed to a saturated vapor mixture as well as dry, hot air. For this purpose, they are usually clamped in a stenter machine and exposed to the effects of temperature.
  • the heat setting therefore takes place in a separate process, so that after the knitted fabrics have been produced, they are first wound up and the knitted fabrics produced in this way are fed to a stenter machine for heat setting in a further working process.
  • the roll with the textile mesh is removed from the knitting machine and transported to a tenter frame machine by appropriate placement. There it becomes a roll reattached and inserted into the actual stenter machine after unrolling.
  • the object of the present invention is to provide a method and a device in which the work steps are saved and in a particularly simple and cost-effective manner a particularly advantageous heat-fixed mesh fabric is produced or used.
  • the method according to the invention is characterized in that a knitted fabric produced on a circular knitting machine is passed over a heating plate and then rolled up for the first time.
  • a procedure can simplify production and achieve a particularly good result with regard to the knit fabric, since it is not first rolled up and unrolled before the thermal fixation.
  • the direct thermal fixation after production ensures particularly good relaxation or fixation of the mesh.
  • the heating plate generally has a temperature of in particular from 60 to 260 ° C., in particular from 150 to 190 ° C. The use of a heating plate enables particularly efficient heating of the mesh material and minimizes waste heat.
  • the guide takes place until after the guide over the heating plate and in particular until it is rolled up, in particular without clamps or needles and in particular without making holes in the knit fabric. In particular, no pull is exerted transversely to the direction of production of the knitted fabric. This enables particularly fine fabrics and / or particularly high qualities to be realized.
  • the mesh fabric is guided solely over deflection rollers or rods until after it has been guided over the heating plate, in particular until it is rolled up.
  • the length of the heating plate in the direction of the transport of the mesh fabric, the temperature of the heating plate is selected so that thermal fixation can be carried out without braking the knitting device.
  • the temperature of the heating plate not only the temperature of the heating plate, but also its extent or the contact area of the mesh web with the heating plate can be varied.
  • the heating plate extends over the entire width of the mesh web.
  • the mesh fabric is guided in one layer over the heating plate.
  • Several heating plates can also be provided one behind the other in the course of the material guide. However, one heating plate per mesh web that is to be fixed is preferred. This saves work space and the procedure or corresponding device can be particularly simple.
  • the thermal fixation is carried out by guiding over the heating plate immediately, if necessary after further deflections, after the production of the knitted fabric and, if necessary after further deflections, the knitted fabric web is rolled up for the first time immediately after the thermal fixation.
  • the knitted fabric is produced as a tube on a circular knitting machine.
  • the heating plate is located inside the circular knitting machine and rotates in particular.
  • the yarns are traditionally fed in from above and the knitted fabric tube is discharged downwards.
  • the heating device is advantageously located below the dial and the cylinder. If a circular knitting machine is used in which the reeling device rotates, the heating plate advantageously also rotates accordingly.
  • the hose When using a circular knitting machine or when producing a knitted fabric hose, the hose is attached either to two, in particular in cross section through the knitted fabric hose, Lines cut open or undoubted, i.e. cut open on a line, before one or two mesh webs (each) is / are fed to a heating plate.
  • Each mesh fabric web is guided over at least one heating plate, which extends over the entire web width of the mesh fabric web.
  • At least one heating plate is convex in shape and the mesh fabric web is deflected before the guide and after the guidance over the heating plate such that the mesh fabric web is guided convexly over the heating plate under tension so that it lies flat on a convex surface of the heating plate.
  • the heating plate is convex in a first direction, which is, in particular, perpendicular to the extent of the mesh width and in particular also perpendicular to the conveying of the mesh with the heating plate being displaced, corresponding deflections are before and after guiding over the heating plate, in particular in the direction of the latter first direction in front of the heating plate. This results in a leadership of Mesh fabric under flat contact under tension over the heating plate.
  • the flat contact is convex.
  • Deflections can be realized in particular by means of rods or rods with rolling bearings.
  • the guides before and after the guide over the heating device are characterized in particular by deflections of more than 90 and less than 180 °.
  • a knitted fabric web or such a knitted fabric is distinguished by a particularly homogeneous design across its width and has particularly good thermal fixation and / or relaxation. Its roll-up behavior is also particularly advantageous.
  • the heat-set knitted fabric advantageously has in relation to the oxidation, the crystalline, amorphous and / or polymeric structure and / or the surface geometry of the yarn sections located on the surfaces of the knitted fabric and / or the type and / or amount of oil and / or aviva residues two different mesh web pages.
  • desired surface properties can be set or influenced, for example by selecting the temperature of the heating plate. For example, particularly good repellency of dirt or the like can be brought about by increased oxidation of a mesh fabric side.
  • tubular objects come into question as the core of an emerging roll of knitted fabric.
  • pipes made of paper or cardboard are suitable.
  • Such a roll of knitted fabric is distinguished by the special properties of the knitted fabric, in particular by the particularly uniform winding of the knitted fabric due to the first winding after the thermal fixation.
  • the mesh of the mesh roll has a particularly homogeneous and high quality across the width of the mesh web for further use.
  • the knitted fabric of such a knitted fabric roll was also rolled up only once and was not further stressed by repeated winding or unrolling and unrolling.
  • the object is also achieved by a device for producing heat-set knitted fabric, the device comprising at least one row of needles for intermingling yarn to knitted fabric and at least one heating plate, which can be heated to a temperature of 60 to 260 ° C. and supply means for tensioned guidance of a knitted fabric web of the knitted fabric about the heating plate and roll-up means for the subsequent first roll-up of the knitted fabric.
  • the device can in particular also include a control device for controlling the heating of the heating plate or for regulating the temperature of the heating plate.
  • the feed means are only those that do not clamp the mesh or have holes in them, in particular they are deflection means such as rollers or rods around which the mesh is guided.
  • the device is set up to carry out the method described above.
  • it can also have a control device for controlling and executing the method steps, especially in cooperation with the corresponding means, such as heating plate, row of needles, yarn feeders, deflections and the like.
  • the row of needles is part of a circular knitting device and there is a detaching device or a device for separating the knitted fabric in two tracks upstream of the guide via the at least one heating plate.
  • the heating plate and the feed means for guiding the mesh fabric under tension over a convex surface of the heating plate with flat convex contact between the mesh fabric and the heating plate are set up.
  • the feed means have, in particular, deflection devices in front of and behind the guidance of the knitted fabric web over the heating plate, which are in particular set up to deflect the knitted fabric web by more than 90 and less than 180 °. These deflecting means are advantageously designed to rotate.
  • the device has a suction device for exhaust gases from the heat setting.
  • exhaust gases can arise, for example, from heating or combustion of finishing or oil residues.
  • the use of a mesh fabric produced according to the invention includes the production of hygiene articles, mattress covers, seat covers or automobile interior linings.
  • Fig. 1 shows a view of a device according to the invention having a meshing device 1, which is designed as a circular knitting device and has two rows of needles.
  • a knitted fabric tube 8 is produced, which continues downward and is removed in an undocking device 4, which includes a cutting device 3.
  • a single-layer knitted fabric web 9 is produced, which is then deflected via a deflection roller 2 and fed to a heating device 5 with a convex heating plate 6.
  • the single-ply knit fabric web is guided over a further deflection roller 2 and fed to the winding onto a knitted fabric web roll 10 with an inner core 11.
  • all the parts shown rotate with the meshing device 1 around the center of the meshing device 1.
  • the deflection rollers 2 provide a flat convex guide 7 over the convex heating plate 6.
  • the heating plate 6 is convex for contact with the single-layer knitted fabric 9.
  • the single-layer knitted fabric web 9 comes into contact with the heating plate 6 in a convex surface 7.
  • the deflection rollers 2 are arranged relative to the heating plate 6 against the direction of the convex bulge of the heating plate 6.
  • Fig. 2 shows a view of a device according to the invention with double winding.
  • two mesh web rolls 10 are produced simultaneously by a meshing device 1.
  • the device has a meshing device 1, which generates a mesh tube 8. This is cut open by a cutting device 3 at two diametrically opposed locations, so that two single-layer knitted fabric webs 9 are created. These are with the aid of deflection rollers 2, each over a heating plate 6 of a heating device 5 guided. Then they are again guided over pulleys 2.
  • the heating plates 6 are each convex in the direction of the associated knitted fabric web 9.
  • the knitted fabric webs 9 are fed onto a roll on knitted fabric web rollers 10 with inner cores 11.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Of Fabric (AREA)

Description

Die Erfindung betrifft ein Verfahren zur Herstellung von thermofixiertem Maschenstoff sowie eine entsprechende Vorrichtung.The invention relates to a method for producing thermoset mesh fabric and a corresponding device.

Bekannt ist, dass textile Maschenstoffe einer Thermofixierung unterzogen werden. Dazu werden sie insbesondere einem gesättigten Dampfgemisch als auch trockener heißer Luft ausgesetzt. Dazu werden sie üblicherweise in einer Spannrahmenmaschine aufgespannt und den Temperatureinflüssen ausgesetzt.It is known that textile fabrics are subjected to heat setting. To do this, they are particularly exposed to a saturated vapor mixture as well as dry, hot air. For this purpose, they are usually clamped in a stenter machine and exposed to the effects of temperature.

Auch ist es bekannt, Garne vor der weiteren Verarbeitung, beispielsweise zu textilen Maschenstoffen, einer Thermofixierung zu unterziehen. Dazu ist es auch bekannt, Garne über geheizte Flächen zu führen.It is also known to subject yarns to heat setting before further processing, for example to form textile knitted fabrics. For this purpose it is also known to run yarns over heated surfaces.

Ebenfalls ist es bekannt, Garnspulen zu beheizen.It is also known to heat yarn packages.

Bei textilen Maschenstoffen findet die Thermofixierung somit in einem separaten Prozess statt, sodass nach der Herstellung der Maschenstoffe zunächst eine Aufwicklung erfolgt und die so erzeugten Maschenstoffe in einem weiteren Arbeitsprozess einer Spannrahmenmaschine zur Thermofixierung zugeführt werden. Dazu wird, insbesondere bei Rundstrickmaschinen, die Rolle mit der textilen Maschenbahn aus der Strickmaschine entnommen und durch entsprechendes Verbringen zu einer Spannrahmenmaschine befördert. Dort wird sie zum Abrollen erneut befestigt und nach dem Abrollen in die eigentliche Spannrahmenmaschine eingeführt.In the case of textile knitted fabrics, the heat setting therefore takes place in a separate process, so that after the knitted fabrics have been produced, they are first wound up and the knitted fabrics produced in this way are fed to a stenter machine for heat setting in a further working process. For this purpose, especially in the case of circular knitting machines, the roll with the textile mesh is removed from the knitting machine and transported to a tenter frame machine by appropriate placement. There it becomes a roll reattached and inserted into the actual stenter machine after unrolling.

Üblicherweise findet eine solche Thermofixierung bei Stoffen, die weiteren Behandlungsschritten unterzogen werden, wie beispielsweise dem Färben, nach diesen weiteren Behandlungen bzw. Veredelungen statt. Aufgabe der vorliegenden Erfindung ist es, ein Verfahren sowie eine Vorrichtung anzugeben, bei dem bzw. der Arbeitsschritte eingespart werden und auf besonders einfache und kostengünstige Weise ein besonders vorteilhafter thermofixierter Maschenstoff erzeugt wird bzw. zur Anwendung kommt.Such heat setting usually takes place for substances that are subjected to further treatment steps, such as dyeing, after these further treatments or refinements. The object of the present invention is to provide a method and a device in which the work steps are saved and in a particularly simple and cost-effective manner a particularly advantageous heat-fixed mesh fabric is produced or used.

Das erfindungsgemäße Verfahren zeichnet sich dadurch aus, dass ein auf einer Rundstrickmaschine erzeugter Maschenstoff über eine Heizplatte geführt und anschließend erstmalig aufgerollt wird. Durch eine solche Vorgehensweise kann die Herstellung vereinfacht werden und ein besonders gutes Ergebnis in Bezug auf den Maschenstoff erreicht werden, da er vor der thermischen Fixierung nicht zunächst auf- und wieder abgerollt wird. Die direkte thermische Fixierung im Anschluss an die Herstellung sorgt für eine besonders gute Entspannung bzw. Fixierung des Maschenstoffes. Dabei weist die Heizplatte generell insbesondere eine Temperatur von 60 bis 260 °C, insbesondere von 150 bis 190 °C auf. Durch die Verwendung einer Heizplatte lässt sich eine besonders effiziente Erwärmung des Maschenstoffes erreichen und die Abwärme minimieren.The method according to the invention is characterized in that a knitted fabric produced on a circular knitting machine is passed over a heating plate and then rolled up for the first time. Such a procedure can simplify production and achieve a particularly good result with regard to the knit fabric, since it is not first rolled up and unrolled before the thermal fixation. The direct thermal fixation after production ensures particularly good relaxation or fixation of the mesh. The heating plate generally has a temperature of in particular from 60 to 260 ° C., in particular from 150 to 190 ° C. The use of a heating plate enables particularly efficient heating of the mesh material and minimizes waste heat.

Die Führung findet bis nach dem Führen über die Heizplatte uns insbesondere bis zum Aufrollen dabei insbesondere ohne Klemmen oder Nadeln und insbesondere ohne Einbringen von Löchern in den Maschenstoff statt. Insbesondere wird auch kein Zug quer zur Erzeugungsrichtung des Maschenstoffs ausgeübt. Dadurch können besonders feine Stoffe und/oder besonders hohe Qualitäten realisiert werden. Insbesondere wird der Maschenstoff bis nach der Führung über die Heizplatte, insbesondere bis zum Aufrollen, allein über Umlenkrollen oder Stäbe geführt.The guide takes place until after the guide over the heating plate and in particular until it is rolled up, in particular without clamps or needles and in particular without making holes in the knit fabric. In particular, no pull is exerted transversely to the direction of production of the knitted fabric. This enables particularly fine fabrics and / or particularly high qualities to be realized. In particular, the mesh fabric is guided solely over deflection rollers or rods until after it has been guided over the heating plate, in particular until it is rolled up.

Vorteilhafterweise wird die Länge der Heizplatte in Richtung des Transportes der Maschenstoffbahn die Temperatur der Heizplatte so gewählt, dass eine thermische Fixierung ohne Ausbremsung der Strickvorrichtung durchgeführt werden kann. Dazu kann nicht nur die Temperatur der Heizplatte, sondern auch ihre Erstreckung bzw. die Kontaktfläche der Maschenstoffbahn mit der Heizplatte variiert werden. Die Heizplatte erstreckt sich dabei über die gesamte Breite der Maschenstoffbahn. Die Maschenstoffbahn wird einlagig über die Heizplatte geführt. Es können auch mehrere Heizplatten im Verlauf der Stoffführung hintereinander vorgesehen werden. Bevorzugt wird jedoch eine Heizplatte pro Maschenstoffbahn, die es zu fixieren gilt. Dadurch kann Arbeitsraum gespart und die Verfahrensweise bzw. entsprechende Vorrichtung besonders einfach ausgebildet sein.Advantageously, the length of the heating plate in the direction of the transport of the mesh fabric, the temperature of the heating plate is selected so that thermal fixation can be carried out without braking the knitting device. For this purpose, not only the temperature of the heating plate, but also its extent or the contact area of the mesh web with the heating plate can be varied. The heating plate extends over the entire width of the mesh web. The mesh fabric is guided in one layer over the heating plate. Several heating plates can also be provided one behind the other in the course of the material guide. However, one heating plate per mesh web that is to be fixed is preferred. This saves work space and the procedure or corresponding device can be particularly simple.

Die thermische Fixierung wird durch Führung über die Heizplatte unmittelbar, ggf. nach weiteren Umlenkungen, nach der Erzeugung des Maschenstoffes durchgeführt und wird, ggf. nach weiteren Umlenkungen, die Maschenstoffbahn unmittelbar nach der thermischen Fixierung erstmalig aufgerollt.The thermal fixation is carried out by guiding over the heating plate immediately, if necessary after further deflections, after the production of the knitted fabric and, if necessary after further deflections, the knitted fabric web is rolled up for the first time immediately after the thermal fixation.

Der Maschenstoff wird auf einer Rundstrickmaschine als Schlauch erzeugt. Dabei befindet sich die Heizplatte innerhalb der Rundstrickmaschine und dreht insbesondere mit. Klassischerweise werden die Garne bei Rundstrickmaschinen von oben zugeführt und wird der Maschenstoffschlauch nach unten hin ausgegeben. In einer solchen Anordnung befindet sich die Heizvorrichtung vorteilhafterweise unterhalb der Rippscheibe und des Zylinders. Wird eine Rundstrickmaschine verwendet, bei der die Aufrollvorrichtung rotiert, so rotiert hier vorteilhafterweise auch die Heizplatte entsprechend mit.The knitted fabric is produced as a tube on a circular knitting machine. The heating plate is located inside the circular knitting machine and rotates in particular. In the case of circular knitting machines, the yarns are traditionally fed in from above and the knitted fabric tube is discharged downwards. In such an arrangement, the heating device is advantageously located below the dial and the cylinder. If a circular knitting machine is used in which the reeling device rotates, the heating plate advantageously also rotates accordingly.

Es wird bei der Nutzung einer Rundstrickmaschine bzw. bei Erzeugung eines Maschenstoffschlauches der Schlauch entweder an zwei, insbesondere im Querschnitt durch den Maschenstoffschlauch gegenüberliegenden, Linien aufgeschnitten oder entdoubliert, also an einer Linie aufgeschnitten, bevor die eine Maschenstoffbahn bzw. die zwei Maschenstoffbahnen (je) einer Heizplatte zugeführt wird/werden.When using a circular knitting machine or when producing a knitted fabric hose, the hose is attached either to two, in particular in cross section through the knitted fabric hose, Lines cut open or undoubted, i.e. cut open on a line, before one or two mesh webs (each) is / are fed to a heating plate.

Beim Aufschneiden des Schlauches in zwei Maschenstoffbahnen werden zwei Heizplatten oder eine zweiseitig mit Heizplatten ausgerüstete Heizvorrichtung verwendet und wird jede Stoffbahn über mindestens eine Heizplatte geführt. Bei der Entdoublierung des Maschenstoffschlauches wird die entstehende Maschenstoffbahn einlagig, also entdoubliert, über die mindestens eine Heizplatte geführt.When cutting the tube into two mesh webs, two heating plates or a heating device equipped with heating plates on both sides are used and each web of material is guided over at least one heating plate. When the knitted fabric hose is undocked, the resulting knitted fabric web is guided in one layer, that is, undone, over the at least one heating plate.

Dadurch lässt sich nicht nur ein Umbug oder Rückstand eines Umbugs im fertigen Produkt vermeiden, sondern sich auch eine besonders wirksame und gleichförmige thermische Fixierung der Ware erreichen.Not only can this prevent a fold or residue from a fold in the finished product, but also a particularly effective and uniform thermal fixation of the goods can be achieved.

Es wird jede Maschenstoffbahn über mindestens eine Heizplatte geführt, die sich über die gesamt Bahnbreite der Maschenstoffbahn erstreckt.Each mesh fabric web is guided over at least one heating plate, which extends over the entire web width of the mesh fabric web.

Dabei ist zumindest eine Heizplatte konvex geformt und wird die Maschenstoffbahn vor der Führung und nach der Führung über die Heizplatte so umgelenkt, dass die Maschenstoffbahn unter Spannung konvex so über die Heizplatte geführt wird, dass sie auf einer konvexen Fläche der Heizplatte flächig aufliegt. Ist beispielsweise die Heizplatte in einer ersten Richtung konvex ausgebildet, die insbesondere senkrecht zur Erstreckung der Maschenstoffbahnbreite liegt und insbesondere auch senkrecht zur Förderung der Maschenstoffbahn unter Wegdenkung der Heizplatte liegt, so sind entsprechende Umlenkungen vor und nach der Führung über die Heizplatte, insbesondere in Richtung dieser ersten Richtung vor der Heizplatte, angeordnet. Dadurch ergibt sich eine Führung der Maschenstoffbahn unter flächigem Anliegen unter Spannung über die Heizplatte. Der flächige Kontakt ist dabei konvex ausgebildet.At least one heating plate is convex in shape and the mesh fabric web is deflected before the guide and after the guidance over the heating plate such that the mesh fabric web is guided convexly over the heating plate under tension so that it lies flat on a convex surface of the heating plate. If, for example, the heating plate is convex in a first direction, which is, in particular, perpendicular to the extent of the mesh width and in particular also perpendicular to the conveying of the mesh with the heating plate being displaced, corresponding deflections are before and after guiding over the heating plate, in particular in the direction of the latter first direction in front of the heating plate. This results in a leadership of Mesh fabric under flat contact under tension over the heating plate. The flat contact is convex.

Umlenkungen sind insbesondere durch Stäbe oder rollend gelagerte Stäbe realisierbar.Deflections can be realized in particular by means of rods or rods with rolling bearings.

Die Führungen vor und nach der Führung über die Heizvorrichtung zeichnet sich insbesondere durch Umlenkungen um mehr als 90 und weniger als 180° aus.The guides before and after the guide over the heating device are characterized in particular by deflections of more than 90 and less than 180 °.

Eine mit dem erfindungsgemäßen Verfahren erzeugte.One generated with the method according to the invention.

Maschenstoffbahn bzw. ein solcher Maschenstoff zeichnet sich, wenn gewünscht, durch eine besonders homogene Ausbildung über seine Breite aus und weist eine besonders gute thermische Fixierung und/oder Entspannung auf. Auch ist sein Aufrollverhalten besonders vorteilhaft.If desired, a knitted fabric web or such a knitted fabric is distinguished by a particularly homogeneous design across its width and has particularly good thermal fixation and / or relaxation. Its roll-up behavior is also particularly advantageous.

Darüber hinaus weist der thermofixierte Maschenstoff vorteilhafterweise in Bezug auf die Oxidation, die kristalline, amorphe und/oder polymere Struktur und/oder die Oberflächengeometrie der an den Oberflächen des Maschenstoffes befindlichen Garnabschnitte und/oder Art und/oder Menge von Öl- und/oder Avivagerückständen zwei unterschiedliche Maschenstoffbahnseiten auf. Dadurch lassen sich, beispielsweise durch Wahl der Temperatur der Heizplatte gewünschte Oberflächeneigenschaften einstellen bzw. beeinflussen. So kann beispielsweise durch erhöhte Oxidation einer Maschenstoffseite eine besonders gute Abweisung von Dreck oder Ähnlichem bewirkt werden.In addition, the heat-set knitted fabric advantageously has in relation to the oxidation, the crystalline, amorphous and / or polymeric structure and / or the surface geometry of the yarn sections located on the surfaces of the knitted fabric and / or the type and / or amount of oil and / or aviva residues two different mesh web pages. In this way, desired surface properties can be set or influenced, for example by selecting the temperature of the heating plate. For example, particularly good repellency of dirt or the like can be brought about by increased oxidation of a mesh fabric side.

Als Kern einer entstehenden Maschenstoffrolle kommen zahlreiche Gegenstände, insbesondere rohrartige Gegenstände infrage. Hier eignen sich beispielsweise Rohre aus Papier oder Pappe.Numerous objects, in particular tubular objects, come into question as the core of an emerging roll of knitted fabric. Here, for example, pipes made of paper or cardboard are suitable.

Eine solche Maschenstoffrolle zeichnet sich über die besonderen Eigenschaften des Maschenstoffes insbesondere auch durch die besonders gleichmäßige Aufrollung des Maschenstoffes aufgrund der erstmaligen Aufrollung im Anschluss an die thermische Fixierung aus. Dadurch weist der Maschenstoff der Maschenstoffrolle für die weitere Verwendung eine besonders homogene und hochwertige Qualität über die Maschenstoffbahnbreite auf.Such a roll of knitted fabric is distinguished by the special properties of the knitted fabric, in particular by the particularly uniform winding of the knitted fabric due to the first winding after the thermal fixation. As a result, the mesh of the mesh roll has a particularly homogeneous and high quality across the width of the mesh web for further use.

Auch wurde der Maschenstoff einer solchen Maschenstoffrolle nur einmal aufgerollt und nicht durch mehrfaches Auf- bzw. Auf- und Abrollen weiter beansprucht.The knitted fabric of such a knitted fabric roll was also rolled up only once and was not further stressed by repeated winding or unrolling and unrolling.

Gelöst wird die Aufgabe auch durch eine Vorrichtung zur Herstellung von thermofixiertem Maschenstoff, wobei die Vorrichtung mindestens eine Nadelreihe zur Vermaschung von Garn zu Maschenstoff sowie mindestens eine Heizplatte, beheizbar auf eine Temperatur von 60 bis 260 °C sowie Zuführmittel zur gespannten Führung einer Maschenstoffbahn des Maschenstoffes über die Heizplatte und Aufrollmittel zum anschließenden erstmaligen Aufrollen des Maschenstoffes aufweist. Darüber hinaus kann die Vorrichtung insbesondere auch eine Steuervorrichtung zur Steuerung der Beheizung der Heizplatte bzw. zur Regelung der Temperatur der Heizplatte beinhalten.The object is also achieved by a device for producing heat-set knitted fabric, the device comprising at least one row of needles for intermingling yarn to knitted fabric and at least one heating plate, which can be heated to a temperature of 60 to 260 ° C. and supply means for tensioned guidance of a knitted fabric web of the knitted fabric about the heating plate and roll-up means for the subsequent first roll-up of the knitted fabric. In addition, the device can in particular also include a control device for controlling the heating of the heating plate or for regulating the temperature of the heating plate.

Mit Vorteil handelt es sich bei den Zuführmitteln nur um solche, die den Maschenstoff nicht klemmen oder mit Löchern versehen, insbesondere handelt es sich dabei um Umlenkmittel wie Rollen oder Stäbe, um die der Maschenstoff geführt wird.Advantageously, the feed means are only those that do not clamp the mesh or have holes in them, in particular they are deflection means such as rollers or rods around which the mesh is guided.

Die Vorrichtung ist zur Durchführung des oben ausgeführten Verfahrens eingerichtet. Dazu kann sie auch eine Steuereinrichtung zur Ansteuerung und Durchführung der Verfahrensschritte, insbesondere im Zusammenwirken mit den entsprechenden Mitteln, wie Heizplatte, Nadelreihe, Garnzuführungen, Umlenkungen und Ähnliches aufweisen.The device is set up to carry out the method described above. For this purpose, it can also have a control device for controlling and executing the method steps, especially in cooperation with the corresponding means, such as heating plate, row of needles, yarn feeders, deflections and the like.

Dabei ist die Nadelreihe Teil einer Rundstrickvorrichtung und es ist eine Entdoublierungseinrichtung oder eine Vorrichtung zur Auftrennung des Maschenstoffes in zwei Bahnen der Führung über die mindestens eine Heizplatte vorgeschaltet.The row of needles is part of a circular knitting device and there is a detaching device or a device for separating the knitted fabric in two tracks upstream of the guide via the at least one heating plate.

Es sind die Heizplatte und die Zuführmittel zur Führung der Maschenstoffbahn unter Spannung über eine konvexe Fläche der Heizplatte unter flächigem konvexen Kontakt zwischen der Maschenstoffbahn und der Heizplatte eingerichtet. Hierzu weisen die Zuführmittel insbesondere Umlenkvorrichtungen vor und hinter der Führung der Maschenstoffbahn über die Heizplatte auf, die insbesondere für eine Umlenkung der Maschenstoffbahn von mehr als 90 und weniger als 180° eingerichtet sind. Vorteilhafterweise sind diese Umlenkmittel mitdrehend ausgeführt.The heating plate and the feed means for guiding the mesh fabric under tension over a convex surface of the heating plate with flat convex contact between the mesh fabric and the heating plate are set up. For this purpose, the feed means have, in particular, deflection devices in front of and behind the guidance of the knitted fabric web over the heating plate, which are in particular set up to deflect the knitted fabric web by more than 90 and less than 180 °. These deflecting means are advantageously designed to rotate.

Mit besonderem Vorteil weist die Vorrichtung eine Absaugvorrichtung für Abgase der Thermofixierung auf. Solche Abgase können beispielsweise durch Erhitzung oder Verbrennung von Avivage- oder Ölrückständen entstehen.With particular advantage, the device has a suction device for exhaust gases from the heat setting. Such exhaust gases can arise, for example, from heating or combustion of finishing or oil residues.

Die Verwendung eines erfindungsgemäß hergestellten Maschenstoffes umfasst die Herstellung von Hygieneartikeln, Matratzenbezügen, Sitzbezügen oder Automobilinnenraumverkleidungen.The use of a mesh fabric produced according to the invention includes the production of hygiene articles, mattress covers, seat covers or automobile interior linings.

Weitere Vorteile und beispielhafte Ausführungsformen sollen anhand der rein schematischen folgenden Figuren nicht beschränkend und rein exemplarisch erläutert werden. Dabei zeigen:

Fig. 1
eine schematische Ansicht der erfindungsgemäßen Vorrichtung mit Entdoublierungseinrichtung; und
Fig. 2
eine schematische Ansicht einer erfindungsgemäßen Vorrichtung unter Doppelwicklung mit vorherigem Aufschneiden.
Further advantages and exemplary embodiments are to be explained in a non-restrictive and purely exemplary manner on the basis of the purely schematic following figures. Show:
Fig. 1
is a schematic view of the device according to the invention with undocking device; and
Fig. 2
is a schematic view of a device according to the invention with double winding with previous slicing.

Fig. 1 zeigt eine Ansicht einer erfindungsgemäßen Vorrichtung aufweisend eine Vermascheinrichtung 1, die als Rundstrickvorrichtung ausgeführt ist und zwei Nadelreihen aufweist. In dieser wird ein Maschenstoffschlauch 8 erzeugt, der nach unten weitergeführt und in einer Entdoublierungseinrichtung 4, die eine Schneidevorrichtung 3 beinhaltet, entdoubliert wird. Dadurch wird eine einlagige Maschenstoffbahn 9 erzeugt, die anschließend über eine Umlenkrolle 2 umgelenkt und einer Heizvorrichtung 5 mit konvexer Heizplatte 6 zugeführt wird. Im Nachgang zu der Führung über die Heizplatte 6 wird die einlagige Maschenstoffbahn über eine weitere Umlenkrolle 2 geführt und der Aufwicklung auf eine Maschenstoffbahnrolle 10 mit einem innen liegenden Kern 11 zugeführt. In dem hier gezeigten Beispiel drehen alle gezeigten Teile mit der Vermascheinrichtung 1 um das Zentrum der Vermascheinrichtung 1. Fig. 1 shows a view of a device according to the invention having a meshing device 1, which is designed as a circular knitting device and has two rows of needles. In this a knitted fabric tube 8 is produced, which continues downward and is removed in an undocking device 4, which includes a cutting device 3. As a result, a single-layer knitted fabric web 9 is produced, which is then deflected via a deflection roller 2 and fed to a heating device 5 with a convex heating plate 6. Subsequent to the guidance over the heating plate 6, the single-ply knit fabric web is guided over a further deflection roller 2 and fed to the winding onto a knitted fabric web roll 10 with an inner core 11. In the example shown here, all the parts shown rotate with the meshing device 1 around the center of the meshing device 1.

Zu erkennen ist auch, wie die Umlenkrollen 2 für eine flächig konvex anliegende Führung 7 über die konvexe Heizplatte 6 sorgen. Die Heizplatte 6 ist zum Kontakt mit der einlagigen Maschenstoffbahn 9 konvex ausgebildet. Somit kommt die einlagige Maschenstoffbahn 9 in einer konvexen Fläche 7 mit der Heizplatte 6 in Berührung. Zu dieser Führung sind die Umlenkrollen 2 relativ zur Heizplatte 6 entgegen der Richtung der konvexen Ausbeulung der Heizplatte 6 zurückliegend angeordnet.It can also be seen how the deflection rollers 2 provide a flat convex guide 7 over the convex heating plate 6. The heating plate 6 is convex for contact with the single-layer knitted fabric 9. Thus, the single-layer knitted fabric web 9 comes into contact with the heating plate 6 in a convex surface 7. For this guidance, the deflection rollers 2 are arranged relative to the heating plate 6 against the direction of the convex bulge of the heating plate 6.

Fig. 2 zeigt eine Ansicht einer erfindungsgemäßen Vorrichtung mit Doppelwicklung. Hier werden zwei Maschenstoffbahnrollen 10 durch eine Vermascheinrichtung 1 zeitgleich erzeugt. Dazu weist die Vorrichtung eine Vermascheinrichtung 1 auf, die einen Maschenstoffschlauch 8 erzeugt. Dieser wird durch eine Schneidevorrichtung 3 an zwei diametral gegenüberliegenden Stellen aufgeschnitten, sodass zwei einlagige Maschenstoffbahnen 9 entstehen. Diese werden mit Hilfe von Umlenkrollen 2 über je eine Heizplatte 6 einer Heizvorrichtung 5 geführt. Anschließend werden sie wieder über Umlenkrollen 2 geführt. Dadurch und durch die konvexe Formgebung der Heizplatten 6 wird eine konvexe Kontaktfläche 7 zwischen einlagigen Maschenstoffbahnen 9 und Heizplatten 6 erzielt. Die Heizplatten 6 sind jeweils in Richtung der zugeordneten Maschenstoffbahn 9 konvex ausgebildet. Nach der Führung über die Heizplatten 6 und die Umlenkrollen 2 werden die Maschenstoffbahnen 9 einer Aufrollung auf Maschenstoffbahnrollen 10 mit innen liegenden Kernen 11 zugeführt. Fig. 2 shows a view of a device according to the invention with double winding. Here, two mesh web rolls 10 are produced simultaneously by a meshing device 1. For this purpose, the device has a meshing device 1, which generates a mesh tube 8. This is cut open by a cutting device 3 at two diametrically opposed locations, so that two single-layer knitted fabric webs 9 are created. These are with the aid of deflection rollers 2, each over a heating plate 6 of a heating device 5 guided. Then they are again guided over pulleys 2. As a result of this and the convex shape of the heating plates 6, a convex contact surface 7 between single-layer knitted fabric webs 9 and heating plates 6 is achieved. The heating plates 6 are each convex in the direction of the associated knitted fabric web 9. After being guided over the heating plates 6 and the deflection rollers 2, the knitted fabric webs 9 are fed onto a roll on knitted fabric web rollers 10 with inner cores 11.

Bezugzugzeichenliste:Bezugzugzeichenliste:

11
VermascheinrichtungVermascheinrichtung
22
Umlenkrolleidler pulley
33
Schneidevorrichtungcutter
44
EntdoublierungseinrichtungEntdoublierungseinrichtung
55
Heizvorrichtungheater
66
Heizplatteheating plate
77
konvexe Kontaktflächeconvex contact surface
88th
MaschenstoffschlauchMesh fabric hose
99
MaschenstoffbahnMesh fabric
1010
MaschenstoffbahnrolleMesh fabric roll
1111
Kerncore

Claims (3)

  1. A process for the manufacture of heat-set knitted fabric,
    the knitted fabric (8, 9) being produced and guided over at least one heating plate (6) at a temperature of 60 to 260°C and then rolled up (10) for the first time,
    wherein the knitted fabric is produced on a circular knitting machine as a tube (8) and either the tube (8) is cut open (3) before being guided over the heating plate (6) at two, in particular opposite, lines (3) and both resulting knitted fabric webs (9) are guided in one layer over in each case at least one heating plate (6) and are subsequently rolled up in each case to form a roll, or the tube (8) is opened out (4) before being guided over the heating plate and is guided in one layer over the heating plate (6),
    wherein the opened out mesh web (9) is guided over at least one heating plate (6) extending over the entire web width of the opened out mesh web (9).
  2. A process according to the above claim,
    wherein said at least one heating plate (6) is convexly shaped and the mesh fabric web (9) is deflected over the heating plate (6) before the guide and after the guide in such a way that the mesh fabric web is guided under tension convexly over the heating plate in such a way that it lies flat on a convex surface (7) of the heating plate (6),
  3. A device for the production of heat-set knitted fabric,
    the device having at least one row of needles (1) for intermeshing yarn into knitted fabric and at least one heating plate (6), heatable to a temperature of 60 to 260°C, as well as feed means for tensioned single-layer guidance of a knitted fabric web (9} of the knitted fabric over the heating plate (6) and winding means for subsequent first winding (10) of the knitted fabric,
    wherein the needle row (1) is part of a circular knitting device and wherein said at least one heating plate (6) and the feed means are arranged for guiding the stitch material web under tension over a convex surface of the heating plate with a flat contour (7) between the stitch material web (9) and the heating plate (6) and either an opening out device (4) is connected upstream of the guide over said at least one heating plate (6), wherein the opened out knitted fabric web (8) is guided over at least one heating plate extending over the entire web width of the opened out knitted fabric web (8), or a device for separating (3) the knitted fabric into two knitted fabric webs (9), which are subsequently each rolled up into a roll, is connected upstream of the guide over said at least one heating plate (6).
EP13169193.3A 2013-05-24 2013-05-24 Integrated heat-setting Active EP2806058B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13169193.3A EP2806058B1 (en) 2013-05-24 2013-05-24 Integrated heat-setting

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Application Number Priority Date Filing Date Title
EP13169193.3A EP2806058B1 (en) 2013-05-24 2013-05-24 Integrated heat-setting

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EP2806058A1 EP2806058A1 (en) 2014-11-26
EP2806058B1 true EP2806058B1 (en) 2019-12-18

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108360142A (en) * 2018-03-19 2018-08-03 海宁市新益毛绒有限公司 A kind of warp knit machine rolling-up mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003018894A1 (en) * 2001-08-21 2003-03-06 Viktor Achter Gmbh & Co. Kg Method and device for fixing and cutting tubular knitted goods
WO2010078663A2 (en) * 2009-01-12 2010-07-15 Textilma Ag Knitting machine, in particular crochet galloon machine, and method for producing strips
CN202202106U (en) * 2011-07-08 2012-04-25 徐贤亮 Integrated device for performing shaping and cloth withdrawing on circular knitting machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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