EP3321417B1 - Method and device for cutting textile material with laser radiation - Google Patents

Method and device for cutting textile material with laser radiation Download PDF

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Publication number
EP3321417B1
EP3321417B1 EP17201877.2A EP17201877A EP3321417B1 EP 3321417 B1 EP3321417 B1 EP 3321417B1 EP 17201877 A EP17201877 A EP 17201877A EP 3321417 B1 EP3321417 B1 EP 3321417B1
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EP
European Patent Office
Prior art keywords
cutting
textile material
optics
laser radiation
along
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EP17201877.2A
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German (de)
French (fr)
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EP3321417A1 (en
Inventor
Matthias Kluczinski
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eurolaser GmbH
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eurolaser GmbH
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/22—Severing by heat or by chemical agents
    • D06H7/221—Severing by heat or by chemical agents by heat

Definitions

  • the invention relates to a method for cutting textile material by means of laser radiation, wherein the laser radiation is directed by means of a cutting optics on the textile material and wherein the textile material is cut by a relative movement of the cutting optics to the textile material along a predetermined cutting line.
  • the invention further relates to a plant for cutting textile material by means of laser radiation, with a source for the laser radiation, with a cutting optics and a device for generating a relative movement of the cutting optics to the textile material along a predetermined cutting line.
  • the material When cutting materials by means of laser radiation, the material is removed by the laser radiation in the area of a cutting line. In this case, the material to be removed is strongly heated and thereby melted and / or vaporized and / or burned depending on the nature of the material. Gas, mist or smoke-like waste products are produced in most materials. These waste products are extracted by plants and processes according to the prior art.
  • the font JP-H04-356386A shows a plant for cutting textile material, in which steam is applied in the region of the cutting line on the textile material.
  • the font US3679863 shows a plant for cutting material, in which a gas stream enveloping the laser beam is mixed with fine water mist to cool the material to be cut in the region of the cutting line.
  • the object of the invention is to provide methods and equipment for cutting textile materials by means of laser radiation, in which an odor load of the textile material to be cut is significantly reduced.
  • the laser radiation is directed by means of cutting optics on the textile material, wherein the textile material by a relative movement of the cutting optics to the textile material along a predetermined cutting line is cut, and wherein after cutting an odor-reducing treatment agent is applied only in the region of the cutting line on the textile material.
  • the object is further achieved by a system for cutting textile material by means of laser radiation according to claim 4.
  • the system includes, inter alia, a source for the laser radiation, a cutting optics and means for generating a relative movement of the cutting optics to the textile material along a predetermined cutting line, said the plant has a device for applying an odor-reducing treatment agent to the textile material in the region of the cutting line.
  • the invention has recognized that the waste products of cutting, especially in the case of textiles, are distributed in the tissue shortly after the cut by diffusion and are deposited on the fibers over a large area. Therefore, the first few seconds after the cut are crucial to effectively combat the odor burden. By applying an odor-reducing treatment agent in this period, therefore, a particularly large effect can be achieved. At the same time, the waste products have not yet spread, so that the use of the treatment agent can be limited to the area of the cutting line.
  • the odor-reducing treatment agent is a fluid. Fluids are procedurally particularly easy to handle and can be particularly well introduced especially in textile materials.
  • the treatment agent contains water vapor. It has been shown that can be dispensed with by the short after the post-treatment treatment mostly on chemical cleaning agents. In most cases, such detergents can be dispensed with completely. Steam can be provided particularly cheap and is at the same time particularly environmentally friendly.
  • the treatment agent is applied via a nozzle.
  • the system according to the invention is designed such that the device for applying an odor-reducing treatment agent to the textile material comprises a nozzle.
  • the treatment agent can be particularly simple and targeted to the cutting line.
  • the nozzle and the cutting optics are successively moved along the cutting line.
  • the system according to the invention has a second machining head, which can be moved along two axes parallel to the table plane, on which the nozzle is arranged. This version allows the departure of particularly curved cutting lines.
  • the device for providing the treatment agent comprises a steam generator.
  • FIG. 1 a plant 1 for cutting textile materials by means of laser radiation is shown schematically. A safety panel of the system is omitted for clarity.
  • the plant 1 consists of a table 2, on which a carriage 3 in a through the Double arrow 4 shown arranged movable.
  • the carriage 3 carries a machining head 5, which in turn is movably arranged on the carriage 3 in a direction represented by the double arrow 6.
  • the system 1 has a laser beam source 7 which generates the laser radiation required for cutting a textile material 8.
  • the laser radiation passes along a first beam path section 9 to a first beam deflection 10 and from there along a second beam path section 11 to the machining head 5.
  • the processing head 5 carries a cutting optic 12 which images the beam onto a focus 13 at which the textile material 8 is cut.
  • the movement of the carriage 3 and the machining head 5 is carried out in a known manner, e.g. by means not shown spindle drives.
  • a control also not shown activates this spindle drives so that the machining head 5 and thus the focus 13 is guided along a predetermined cutting line 14.
  • the textile material 8 is cut at this cutting line 14 by the laser beam.
  • the table In order to remove waste products generated during cutting, the table is provided with a large-scale suction, not shown.
  • odor-binding additives may be added to the steam in the steam generator 17.
  • odor-binding additives for example, triethylene glycol or cyclodextrin derivatives are suitable, which are known from commercial odor neutralizers are. Also comes as an alternative to water vapor and ethanol vapor into consideration.
  • FIG. 2 the machining head 5 of Appendix 1 is shown in more detail.
  • the cutting optics 12 is fixed, with only the housing of the cutting optics 12 can be seen.
  • the optical construction of the cutting optics 12 corresponds to the known structure of cutting optics in laser cutting systems and therefore requires no further explanation.
  • the cutting optics 12 is rotatably attached to the machining head about its optical axis.
  • a ring gear 20 is fixed, which meshes with a pinion 21, which is driven by a rotary motor 22.
  • slip rings 23, 24 are arranged on the cutting optics, of which the slip ring 23 is rotatably connected to the cutting optics 12, while the slip ring 24 is rotatably supported by a bearing 25 relative to the cutting optics 12.
  • the slip rings 23, 24 each have a ring channel 26, 27 open towards the other slip ring.
  • a connecting piece 28 is arranged, which is connected via a bore with the annular channel 27.
  • the nozzle 15 is connected via a bore with the annular channel 26.
  • the odor-reducing treatment agent 16 is supplied via the hose 18 and the connecting piece 28 to the annular channel 27 and passes from there via the annular channel 26 into the nozzle 15, from where it is discharged.
  • the nozzle 15 is shaped such that the treatment medium 16 is delivered as a simple spray cone.
  • Other designs are also conceivable, such as slit-shaped or crescent-shaped nozzles.
  • the processing optics 12 is rotated together with the slip ring 23 and the nozzle 15 about the optical axis of the cutting optics 12, In this case, the delivery point of the treatment agent 16 pivots about the focus 13 of the cutting optics 12. A distance 29 between the delivery point of the treatment agent 16 and the focus 13 of the cutting optics 12 remains constant.
  • the carriage 3, the treatment head 5 and the rotary motor 22 are controlled so that on the one hand the focus 13 of the cutting optics 12 along the cutting line 14 along and on the other hand, the delivery point of the treatment agent 16 is guided along the cutting line ,
  • FIG. 3 shown schematically.
  • section line 14 ' are schematically some points P1, P2, P3, P4 marked, to each of which the rectangular coordinates x, y and the setting angle ⁇ of the rotary motor 22 are shown. These values are stored in a control system 1 for the entire cutting lines 14 ', 14 ".
  • the cutting line 14 is traversed in two steps, wherein in the first step, the cut takes place and in the second step, the delivery of the treatment agent.
  • FIG. 2 shown processing head wherein the approached by the controller position in the second pass is offset by the distance 29.
  • an in Fig. 1 Dashed line shown second processing head 5 ' may be provided, to which only a second nozzle 15' is provided for the treatment agent 16.
  • a nozzle 15 ' is arranged. In this design, however, the cutting and finishing in one operation is not possible.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Laser Beam Processing (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Schneiden von Textilmaterial mittels Laserstrahlung, bei dem die Laserstrahlung mittels einer Schneidoptik auf das Textilmaterial gerichtet wird und wobei das Textilmaterial durch eine relative Bewegung der Schneidoptik zu dem Textilmaterial entlang einer vorgegebenen Schnittlinie geschnitten wird.The invention relates to a method for cutting textile material by means of laser radiation, wherein the laser radiation is directed by means of a cutting optics on the textile material and wherein the textile material is cut by a relative movement of the cutting optics to the textile material along a predetermined cutting line.

Die Erfindung betrifft weiterhin eine Anlage zum Schneiden von Textilmterial mittels Laserstrahlung, mit einer Quelle für die Laserstrahlung, mit einer Schneidoptik und einer Einrichtung zum Erzeugen einer relativen Bewegung der Schneidoptik zu dem Textilmaterial entlang einer vorgegebenen Schnittlinie.The invention further relates to a plant for cutting textile material by means of laser radiation, with a source for the laser radiation, with a cutting optics and a device for generating a relative movement of the cutting optics to the textile material along a predetermined cutting line.

Solche Verfahren und Anlagen sind aus dem Stand der Technik bekannt. Beispielsweise entwickelt und fertigt die Anmelderin entsprechende Anlagen, welche bestimmungsgemäß entsprechende Verfahren ausführen.Such methods and systems are known in the art. By way of example, the Applicant develops and manufactures corresponding systems which carry out appropriate procedures as intended.

Bei dem Schneiden von Materialien mittels Laserstrahlung wird das Material durch die Laserstrahlung im Bereich einer Schnittlinie abgetragen. Dabei wird das abzutragene Material stark erhitzt und dadurch je nach Art des Materials geschmolzen und/oder verdampft und/oder verbrannt. Dabei entstehen bei den meisten Materialen gas-, nebel- oder rauchartige Abfallprodukte. Diese Abfallprodukte werden bei Anlagen und Verfahren nach dem Stand der Technik abgesaugt.When cutting materials by means of laser radiation, the material is removed by the laser radiation in the area of a cutting line. In this case, the material to be removed is strongly heated and thereby melted and / or vaporized and / or burned depending on the nature of the material. Gas, mist or smoke-like waste products are produced in most materials. These waste products are extracted by plants and processes according to the prior art.

Bei einigen Textilmaterialien tritt allerdings das Problem auf, dass sich die Abfallprodukte unmittelbar nach dem Schneiden in dem geschnittenen Material ablagern. Dies ist insbesondere bei Naturtextilien tierischen Ursprungs, wie z.B. Wollstoffen, unerwünscht, da die Abfallprodukte eine starke Geruchsbelastung des geschnittenen Textilmaterials bewirken, so dass eine Nutzung des Materials z.B. zur Herstellung von Bekleidungsartikeln kaum mehr möglich ist.For some textile materials, however, there is the problem that the waste products are deposited in the cut material immediately after cutting. This is undesirable in particular for natural textiles of animal origin, such as woolen fabrics, since the waste products cause a strong odor load on the cut textile material, so that use of the material, for example for the production of clothing articles, is hardly possible anymore.

Zwar lässt sich die Geruchsbelastung durch eine nachträgliche Reinigung des Textilmaterials beseitigen bzw. maßgeblich reduzieren. Allerdings wird durch diesen zusätzlichen Arbeitsschritt der Zeitvorteil, der sich durch das Laserschneiden in der Verarbeitung erzielen lässt, deutlich reduziert oder gar ganz aufgezehrt. Hinzu kommt, dass trotz einer nachträglichen Reinigung eine Verwendung solcher Textilmaterialien für besonders hochwertige Bekleidungsartikel zum Teil nicht mehr in Frage kommt.Although the odor load can be eliminated or significantly reduced by a subsequent cleaning of the textile material. However, this additional working step significantly reduces or even completely eliminates the time advantage that can be achieved by laser cutting during processing. In addition, despite a subsequent cleaning, use of such textile materials for particularly high-quality clothing articles is sometimes out of the question.

Die Schrift JP-H04-356386A zeigt eine Anlage zum Schneiden von Textilmaterial, bei welcher Dampf in Bereich der Schneidlinie auf das Textilmaterial aufgebracht wird. Die Schrift US3679863 zeigt eine Anlage zum Schneiden von Material, bei welchem ein den Laserstrahl einhüllender Gasstrom mit feinem Wassernebel vermengt wird, um das zu schneidende Material im Bereich der Schnittlinie zu kühlen.The font JP-H04-356386A shows a plant for cutting textile material, in which steam is applied in the region of the cutting line on the textile material. The font US3679863 shows a plant for cutting material, in which a gas stream enveloping the laser beam is mixed with fine water mist to cool the material to be cut in the region of the cutting line.

Demgemäß besteht die Aufgabe der Erfindung darin, Verfahren und Anlagen zum Schneiden von Textilmaterialien mittels Laserstrahlung bereitzustellen, bei welchen eine Geruchsbelastung des zu schneidenden Textilmaterials deutlich reduziert ist.Accordingly, the object of the invention is to provide methods and equipment for cutting textile materials by means of laser radiation, in which an odor load of the textile material to be cut is significantly reduced.

Diese Aufgabe wird gemäß der Erfindung gelöst durch ein Verfahren zum Schneiden von Textilmaterial mittels Laserstrahlung gemäß Anspruch 1. Bei dem Verfahren wird unter anderem die Laserstrahlung mittels einer Schneidoptik auf das Textilmaterial gerichtet, wobei das Textilmaterial durch eine relative Bewegung der Schneidoptik zu dem Textilmaterial entlang einer vorgegebenen Schnittlinie geschnitten wird, und wobei nach dem Schneiden ein geruchsminderndes Behandlungsmittel nur im Bereich der Schnittlinie auf das Textilmaterial aufgebracht wird.This object is achieved according to the invention by a method for cutting textile material by means of laser radiation according to claim 1. In the method, among other things, the laser radiation is directed by means of cutting optics on the textile material, wherein the textile material by a relative movement of the cutting optics to the textile material along a predetermined cutting line is cut, and wherein after cutting an odor-reducing treatment agent is applied only in the region of the cutting line on the textile material.

Die Aufgabe wird weiter gelöst durch eine Anlage zum Schneiden von Textilmaterial mittels Laserstrahlung gemäß Anspruch 4. Die Anlage umfasst unter anderem eine Quelle für die Laserstrahlung, eine Schneidoptik und eine Einrichtung zum Erzeugen einer relativen Bewegung der Schneidoptik zu dem Textilmaterial entlang einer vorgegebenen Schnittlinie, wobei die Anlage eine Einrichtung zum Aufbringen eines geruchsmindernden Behandlungsmittels auf das Textilmaterial im Bereich der Schnittlinie aufweist.The object is further achieved by a system for cutting textile material by means of laser radiation according to claim 4. The system includes, inter alia, a source for the laser radiation, a cutting optics and means for generating a relative movement of the cutting optics to the textile material along a predetermined cutting line, said the plant has a device for applying an odor-reducing treatment agent to the textile material in the region of the cutting line.

Die Erfindung hat erkannt, dass die Abfallprodukte des Schneidens sich gerade bei Textilien schon kurz nach dem Schnitt durch Diffusion im Gewebe verteilen und großflächig auf den Fasern niederschlagen. Daher sind die ersten Sekunden nach dem Schnitt entscheidend, um eine wirkungsvolle Bekämpfung der Geruchsbelastung zu erreichen. Durch das Aufbringen eines geruchsmindernden Behandlungsmittels in diesem Zeitraum kann daher ein besonders großer Effekt erzielt werden. Gleichzeitig haben sich die Abfallprodukte noch nicht ausgebreitet, so dass der Einsatz des Behandlungsmittels auf den Bereich der Schnittlinie beschränkt werden kann.The invention has recognized that the waste products of cutting, especially in the case of textiles, are distributed in the tissue shortly after the cut by diffusion and are deposited on the fibers over a large area. Therefore, the first few seconds after the cut are crucial to effectively combat the odor burden. By applying an odor-reducing treatment agent in this period, therefore, a particularly large effect can be achieved. At the same time, the waste products have not yet spread, so that the use of the treatment agent can be limited to the area of the cutting line.

Gemäß einer Weiterbildung des erfindungsgemäßen Verfahrens ist das geruchsmindernde Behandlungsmittel ein Fluid. Fluide sind verfahrenstechnisch besonders gut handhabbar und können insbesondere in Textilmaterialien besonders gut eingebracht werden.According to a development of the method according to the invention, the odor-reducing treatment agent is a fluid. Fluids are procedurally particularly easy to handle and can be particularly well introduced especially in textile materials.

In einer bevorzugten Weiterbildung des erfindungsgemäßen Verfahrens beinhaltet das Behandlungsmittel Wasserdampf. Es hat sich gezeigt, dass durch die kurz nach dem Schnitt erfolgende Nachbehandlung größtensteils auf chemische Reinigungsmittel verzichtet werden kann. In den meisten Fällen kann auf solche Reinigungsmittel komplett verzichtet werden.
Wasserdampf kann besonders günstig bereitgestellt werden und ist gleichzeitig besonders umweltverträglich.In a preferred embodiment of the method according to the invention, the treatment agent contains water vapor. It has been shown that can be dispensed with by the short after the post-treatment treatment mostly on chemical cleaning agents. In most cases, such detergents can be dispensed with completely.
Steam can be provided particularly cheap and is at the same time particularly environmentally friendly.

Gemäß dem erfindungsgemäßen Verfahrens wird das Behandlungsmittel über eine Düse aufgebracht.
Entsprechend ist die erfindungsgemäße Anlage derart ausgebildet, dass die Einrichtung zum Aufbringen eines geruchsmindernden Behandlungsmittels auf das Textilmaterial eine Düse umfasst.
Durch eine Düse kann das Behandlungsmittel besonders einfach und gezielt auf die Schnittlinie gerichtet werden.According to the method of the invention, the treatment agent is applied via a nozzle.
Accordingly, the system according to the invention is designed such that the device for applying an odor-reducing treatment agent to the textile material comprises a nozzle.
Through a nozzle, the treatment agent can be particularly simple and targeted to the cutting line.

Gemäß der erfindungsgemäßen Ausführung der Anlage weist die Einrichtung zumAccording to the embodiment of the system according to the invention, the device for

Erzeugen einer relativen Bewegung der Schneidoptik zu dem Textilmaterial einen Tisch sowie einen entlang zweier Achsen parallel zur Tischebene verfahrbaren ersten Bearbeitungskopf auf, welcher die Schneidoptik aufnimmt. Durch diese Ausführung können belieg gestaltete Schnittlinien einfach und präzise abgefahren werden.Generating a relative movement of the cutting optics to the textile material on a table and along two axes parallel to the table plane movable first processing head, which receives the cutting optics. Thanks to this design, laid-out cutting lines can be traversed easily and precisely.

Gemäß dem erfindungsgemäßen Verfahrens werden die Düse und die Schneidoptik nacheinander entlang der Schnittlinie bewegt.
Dazu weist die erfindungsgemäße Anlage einen entlang zweier Achsen parallel zur Tischebene verfahrbaren zweiten Bearbeitungskopf auf, an welchem die Düse angeordnet ist.
Diese Ausführung ermöglicht das Abfahren von besonders stark gekrümmten Schnittlinien.According to the method of the invention, the nozzle and the cutting optics are successively moved along the cutting line.
For this purpose, the system according to the invention has a second machining head, which can be moved along two axes parallel to the table plane, on which the nozzle is arranged.
This version allows the departure of particularly curved cutting lines.

In einer Weiterbildung der erfindungsgemäßen Anlage umfasst diese eine Einrichtung zur Bereitstellung des Behandlungsmittels.In a development of the plant according to the invention, this comprises a device for providing the treatment agent.

In einer bevorzugten Weiterbildung der erfindungsgemäßen Anlage umfasst die Einrichtung zur Bereitstellung des Behandlungsmittels einen Dampferzeuger.In a preferred embodiment of the system according to the invention, the device for providing the treatment agent comprises a steam generator.

Die Erfindung wird nachfolgend anhand einiger beispielhaften Zeichnungen näher erläutert, wobei Ausführungsbeispiele, die nicht unter den Umfang der anhängenden Ansprüche fallen, lediglich dem besseren Allgemeinverständnis dienen. Es zeigen:

Figur 1:
Eine Anlage zum Schneiden von Textilmaterialien mittels Laserstrahlung
Figur 2:
Ein Bearbeitungskopf einer nicht erfindungsgemäßen Anlage
Figur 3:
Eine prinzipielle Darstellung einer Schnittlinie
The invention will be explained in more detail below with reference to some exemplary drawings, wherein exemplary embodiments, which do not fall under the scope of the appended claims, merely serve to improve the general understanding. Show it:
FIG. 1:
A system for cutting textile materials by means of laser radiation
FIG. 2:
A machining head of a system not according to the invention
FIG. 3:
A schematic representation of a cutting line

In Figur 1 ist eine Anlage 1 zum Schneiden von Textilmaterialien mittels Laserstrahlung schematisch dargestellt. Eine Sicherheitsverkleidung der Anlage ist dabei der Übersichtlichkeit halber weggelassen.In FIG. 1 a plant 1 for cutting textile materials by means of laser radiation is shown schematically. A safety panel of the system is omitted for clarity.

Die Anlage 1 besteht aus einem Tisch 2, auf dem ein Schlitten 3 in einer durch den Doppelpfeil 4 dargestellten Richtung verfahrbar angeordnet ist. Der Schlitten 3 trägt einen Bearbeitungskopf 5, welcher wiederum auf dem Schlitten 3 in einer durch den Doppelpfeil 6 dargestellten Richtung verfahrbar angeordnet ist.The plant 1 consists of a table 2, on which a carriage 3 in a through the Double arrow 4 shown arranged movable. The carriage 3 carries a machining head 5, which in turn is movably arranged on the carriage 3 in a direction represented by the double arrow 6.

Die Anlage 1 weist eine Laserstrahlquelle 7 auf, welche die zum Schneiden eines Textilmaterials 8 erforderliche Laserstrahlung erzeugt. Die Laserstrahlung gelangt entlang eines ersten Strahlwegabschnitts 9 zu einer ersten Strahlumlenkung 10 und von dort entlang eines zweiten Strahlwegabschnitts 11 zu dem Bearbeitungskopf 5.The system 1 has a laser beam source 7 which generates the laser radiation required for cutting a textile material 8. The laser radiation passes along a first beam path section 9 to a first beam deflection 10 and from there along a second beam path section 11 to the machining head 5.

Der Bearbeitungskopf 5 trägt eine Schneidoptik 12, welche den Strahl auf einen Fokus 13 abbildet, an welchem das Textilmaterial 8 geschnitten wird.The processing head 5 carries a cutting optic 12 which images the beam onto a focus 13 at which the textile material 8 is cut.

Das Verfahren des Schlittens 3 und des Bearbeitungskopfes 5 erfolgt auf bekannte Weise, z.B. mittels nicht dargestellter Spindeltriebe. Eine ebenfalls nicht dargestellte Steuerung aktiviert diese Spindeltriebe so, dass der Bearbeitungskopf 5 und somit der Fokus 13 entlang einer vorbestimmten Schnittlinie 14 geführt wird. Dabei wird das Textilmaterial 8 an dieser Schnittlinie 14 durch den Laserstrahl geschnitten.The movement of the carriage 3 and the machining head 5 is carried out in a known manner, e.g. by means not shown spindle drives. A control, also not shown activates this spindle drives so that the machining head 5 and thus the focus 13 is guided along a predetermined cutting line 14. In this case, the textile material 8 is cut at this cutting line 14 by the laser beam.

Um während des Schneidens entstehende Abfallprodukte zu entfernen, ist der Tisch mit einer nicht dargestellten großflächigen Absaugung versehen.In order to remove waste products generated during cutting, the table is provided with a large-scale suction, not shown.

Beim Schneiden von Textilmaterialien aus Naturfasern tierischen Ursprungs reicht diese Absaugung jedoch nicht aus, um eine Ablagerung geruchsintensiver Abfallprodukte in dem Textilmaterial zu verhindern. Daher ist an dem Bearbeitungskopf 5 eine Düse 15 angeordnet, durch welche ein geruchsminderndes Behandlungsmittel 16 im Bereich der Schnittlinie 14 auf das Textilmaterial 8 aufgebracht wird. Bei dem Behandlungsmaterial 16 handelt es sich beispielsweise um Wasserdampf, welcher durch einen Dampferzeuger 17 über einen Schlauch 18 der Düse 15 zugeführt wird.When cutting textile materials from natural fibers of animal origin, however, this extraction is not sufficient to prevent deposition of odorous waste products in the textile material. Therefore, a nozzle 15 is arranged on the machining head 5, through which an odor-reducing treatment agent 16 in the region of the cutting line 14 is applied to the textile material 8. The treatment material 16 is, for example, water vapor, which is supplied by a steam generator 17 via a hose 18 of the nozzle 15.

Falls gewünscht können dem Dampf in dem Dampferzeuger 17 geruchsbindende Zusatzstoffe zugegeben werden. Als solche kommen z.B. Triethylenglykol oder Cyclodextrinderivate in Betracht, die aus kommerziellen Geruchsneutralisierern bekannt sind. Ebenso kommt als Alternative zu Wasserdampf auch Ethanoldampf in Betracht.If desired, odor-binding additives may be added to the steam in the steam generator 17. As such, for example, triethylene glycol or cyclodextrin derivatives are suitable, which are known from commercial odor neutralizers are. Also comes as an alternative to water vapor and ethanol vapor into consideration.

In Figur 2 ist der Bearbeitungskopf 5 der Anlage 1 näher dargestellt. An dem Bearbeitungskopf ist die Schneidoptik 12 befestigt, wobei nur das Gehäuse der Schneidoptik 12 erkennbar ist. Der optische Aubau der Schneidoptik 12 entspricht dabei dem bekannten Aufbau von Schneidoptiken in Laserschneidanlagen und benötigt daher keine nähere Erläuterung.In FIG. 2 the machining head 5 of Appendix 1 is shown in more detail. At the machining head, the cutting optics 12 is fixed, with only the housing of the cutting optics 12 can be seen. The optical construction of the cutting optics 12 corresponds to the known structure of cutting optics in laser cutting systems and therefore requires no further explanation.

Als Besonderheit ist die Schneidoptik 12 um ihre optische Achse drehbar an dem Bearbeitungskopf befestigt. An der Schneidoptik 12 ist ein Zahnkranz 20 befestigt, welcher mit einem Ritzel 21 kämmt, das von einem Drehmotor 22 angetrieben wird.As a special feature, the cutting optics 12 is rotatably attached to the machining head about its optical axis. To the cutting optics 12, a ring gear 20 is fixed, which meshes with a pinion 21, which is driven by a rotary motor 22.

Weiterhin sind an der Schneidoptik zwei Schleifringe 23, 24 angeordnet, von denen der Schleifring 23 drehfest mit der Schneidoptik 12 verbunden ist, während der Schleifring 24 mittels eines Lagers 25 gegenüber der Schneidoptik 12 drehbar gelagert ist. Die Schleifringe 23, 24 weisen jeweils einen zum anderen Schleifring hin geöffneten Ringkanal 26, 27 auf.Furthermore, two slip rings 23, 24 are arranged on the cutting optics, of which the slip ring 23 is rotatably connected to the cutting optics 12, while the slip ring 24 is rotatably supported by a bearing 25 relative to the cutting optics 12. The slip rings 23, 24 each have a ring channel 26, 27 open towards the other slip ring.

Am drehbaren Schleifring 24 ist ein Anschlussstutzen 28 angeordnet, welcher über eine Bohrung mit dem Ringkanal 27 verbunden ist. Am Schleifring 23 ist wiederum die Düse 15 über eine Bohrung mit dem Ringkanal 26 verbunden.On the rotatable slip ring 24, a connecting piece 28 is arranged, which is connected via a bore with the annular channel 27. On the slip ring 23, in turn, the nozzle 15 is connected via a bore with the annular channel 26.

Im Betrieb der Anlage wird das geruchsmindernde Behandlungsmittel 16 über den Schlauch 18 und den Anschlussstutzen 28 dem Ringkanal 27 zugeführt und gelangt von dort über den Ringkanal 26 in die Düse 15, von wo es abgegeben wird.During operation of the plant, the odor-reducing treatment agent 16 is supplied via the hose 18 and the connecting piece 28 to the annular channel 27 and passes from there via the annular channel 26 into the nozzle 15, from where it is discharged.

In der in den Figuren 1 und 2 dargestellen Ausführung ist die Düse 15 so geformt, dass das Behandlungsmedium 16 als einfacher Sprühkegel abgegeben wird. Andere Ausführungen sind ebenfalls denkbar, wie schlitzförmige oder halbmondförmige Düsen.In the in the FIGS. 1 and 2 In this embodiment, the nozzle 15 is shaped such that the treatment medium 16 is delivered as a simple spray cone. Other designs are also conceivable, such as slit-shaped or crescent-shaped nozzles.

Durch Antreiben des Drehmotors 22 wird die Bearbeitungsoptik 12 zusammen mit dem Schleifring 23 und der Düse 15 um die optische Achse der Schneidoptik 12 gedreht, dabei schwenkt der Abgabepunkt des Behandlungsmittels 16 um den Fokus 13 der Schneidoptik 12. Dabei bleibt ein Abstand 29 zwischen dem Abgabepunkt des Behandlungsmittels 16 und dem Fokus 13 der Schneidoptik 12 konstant.By driving the rotary motor 22, the processing optics 12 is rotated together with the slip ring 23 and the nozzle 15 about the optical axis of the cutting optics 12, In this case, the delivery point of the treatment agent 16 pivots about the focus 13 of the cutting optics 12. A distance 29 between the delivery point of the treatment agent 16 and the focus 13 of the cutting optics 12 remains constant.

Während des Schneidens des Textikmaterials 8 werden der Schlitten 3, der Behandlungskopf 5 sowie der Drehmotor 22 so gesteuert, dass einerseits der Fokus 13 der Schneidoptik 12 an der Schnittlinie 14 entlang geführt wird und andererseits auch der Abgabepunkt des Behandlungsmittels 16 an der Schnittlinie entlang geführt wird.During the cutting of the text material 8, the carriage 3, the treatment head 5 and the rotary motor 22 are controlled so that on the one hand the focus 13 of the cutting optics 12 along the cutting line 14 along and on the other hand, the delivery point of the treatment agent 16 is guided along the cutting line ,

Dies ist in Figur 3 schematisch dargestellt. In einem Bezugskoordinatensystem 30 der Anlage 1 ist eine zweiteilige Schnittlinie 14', 14" dargestellt, entlang der z.B. Ärmel eines Anzugs geschnitten werden. Dabei zeigen Pfeile 31' 31" die Schnittrichtung an. Entlang der Schnittlinie 14' sind schematisch einige Punkte P1, P2, P3, P4 markiert, zu denen jeweils die rechtwinkligen Koordinaten x,y sowie der Einstellwinkel ϕ des Drehmotors 22 dargestellt sind. Diese Werte sind für die gesamten Schnittlinien 14', 14" in einer Steuerung der Anlage 1 abgelegt.This is in FIG. 3 shown schematically. In a reference coordinate system 30 of Appendix 1 is shown a two-part cut line 14 ', 14 "along which, for example, sleeves of a suit are cut, with arrows 31'31" indicating the cutting direction. Along the section line 14 'are schematically some points P1, P2, P3, P4 marked, to each of which the rectangular coordinates x, y and the setting angle φ of the rotary motor 22 are shown. These values are stored in a control system 1 for the entire cutting lines 14 ', 14 ".

Bei den in Figur 3 dargestellten Schnittlinien 14', 14" können Schneiden und Auftragen des Behandlungsmittels in einem Arbeitsgang erfolgen. Wenn jedoch die Schnittlinie Konturen aufweist, die kleiner sind als der Abstand 29 zwischen Fokus 13 der Schneidoptik und dem Abgabepunkt des Behandlungsmittels, ist dies nicht immer möglich. In diesem Fall wird die Schnittlinie 14 in zwei Schritten abgefahren, wobei im ersten Schritt der Schnitt erfolgt und im zweiten Schritt die Abgabe des Behandlungsmittels.At the in FIG. 3 However, if the cutting line has contours that are smaller than the distance 29 between the focus 13 of the cutting optics and the delivery point of the treatment agent, this is not always possible In this case, the cutting line 14 is traversed in two steps, wherein in the first step, the cut takes place and in the second step, the delivery of the treatment agent.

Dies kann mit dem in Figur 2 dargestellten Bearbeitungskopf erfolgen, wobei die von der Steuerung angefahrene Position im zweiten Durchlauf um den Abstand 29 versetzt ist. Alternativ dazu kann ein in Fig. 1 gestrichelt dargestellter zweiter Bearbeitungskopf 5' vorgesehen sein, an welchem lediglich eine zweite Düse 15' für das Behandlungsmittel 16 vorgesehen ist.This can be done with the in FIG. 2 shown processing head, wherein the approached by the controller position in the second pass is offset by the distance 29. Alternatively, an in Fig. 1 Dashed line shown second processing head 5 'may be provided, to which only a second nozzle 15' is provided for the treatment agent 16.

In einer weiteren alternativen Ausführung ist nur an dem zweiten Bearbeitungskopf 5' eine Düse 15' angeordnet. Bei dieser Ausführung ist allerdings das Schneiden und Nachbehandeln in einem Arbeitsgang nicht möglich.In a further alternative embodiment, only at the second machining head 5 ' a nozzle 15 'is arranged. In this design, however, the cutting and finishing in one operation is not possible.

Claims (6)

  1. Method for cutting textile material by means of laser radiation, in which the laser radiation is directed onto the textile material by means of a cutting optics (12) and wherein the textile material is cut along a given cutting line (14) by a relative movement of the cutting optics (12) in relation to the textile material, wherein, after the cutting, an odour-reducing treating agent is applied to the textile material by way of a nozzle (15) only in the region of the cutting line (14), characterized in that the nozzle (15) and the cutting optics (12) are moved one after the other along the cutting line (14) on separate processing heads (5, 5') which can be moved along two axes parallel to a plane of the table.
  2. Method according to Claim 1, characterized in that the odour-reducing treating agent is a fluid.
  3. Method according to Claim 2, characterized in that the odour-reducing treating agent comprises steam.
  4. Installation for cutting textile material by means of laser radiation, with
    - a source (7) for the laser radiation,
    - with a cutting optics (12) and
    - a device for producing a relative movement of the cutting optics (12) in relation to the textile material along a given cutting line (14), wherein the device for producing a relative movement of the cutting optics (12) in relation to the textile material has a table (2) and also a first processing head (5), which can be moved along two axes parallel to the plane of the table and receives the cutting optics (12), and wherein the installation furthermore has a device comprising a nozzle (15) for applying an odour-reducing treating agent to the textile material in the region of the cutting line (14), characterized in that the installation has a second processing head (5'), which can be moved along two axes parallel to the plane of the table and on which the nozzle (15) is arranged, and in that the first and the second processing head (5, 5') can be moved one after the other along the cutting line (14).
  5. Installation according to Claim 4, characterized in that the installation comprises a device for providing the treating agent.
  6. Installation according to Claim 5, characterized in that the device for providing the treating agent comprises a steam generator (17).
EP17201877.2A 2013-09-06 2014-08-11 Method and device for cutting textile material with laser radiation Not-in-force EP3321417B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17201877T PL3321417T3 (en) 2013-09-06 2014-08-11 Method and device for cutting textile material with laser radiation

Applications Claiming Priority (2)

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DE102013014747.6A DE102013014747A1 (en) 2013-09-06 2013-09-06 Method and device for cutting textile material with laser radiation
EP14180477.3A EP2845945B1 (en) 2013-09-06 2014-08-11 Method and device for cutting textile material with laser radiation

Related Parent Applications (2)

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EP14180477.3A Division EP2845945B1 (en) 2013-09-06 2014-08-11 Method and device for cutting textile material with laser radiation
EP14180477.3A Division-Into EP2845945B1 (en) 2013-09-06 2014-08-11 Method and device for cutting textile material with laser radiation

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EP3321417A1 EP3321417A1 (en) 2018-05-16
EP3321417B1 true EP3321417B1 (en) 2019-04-24

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EP14180477.3A Not-in-force EP2845945B1 (en) 2013-09-06 2014-08-11 Method and device for cutting textile material with laser radiation
EP17201877.2A Not-in-force EP3321417B1 (en) 2013-09-06 2014-08-11 Method and device for cutting textile material with laser radiation

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EP (2) EP2845945B1 (en)
DE (1) DE102013014747A1 (en)
DK (2) DK3321417T3 (en)
ES (2) ES2737883T3 (en)
HU (2) HUE036687T2 (en)
PL (2) PL3321417T3 (en)
PT (2) PT3321417T (en)
TR (1) TR201910157T4 (en)

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Publication number Priority date Publication date Assignee Title
DE102016001076A1 (en) 2016-02-02 2017-08-03 Saurer Ag Method and device for cutting fabrics on embroidery machines
CN106222986B (en) * 2016-08-31 2019-04-16 宁波纺织仪器厂 Automatic sample machine
CN107630346B (en) * 2017-11-02 2019-07-26 界首市永顺服饰有限公司 Rag cutter is used in a kind of processing of clothes
DE102017129730A1 (en) * 2017-12-13 2019-06-13 Eurolaser Gmbh Method for processing web or plate-like material in a processing machine, and processing machine
CN108342895A (en) * 2018-02-13 2018-07-31 沈锦慈 A kind of permanent hair styling device of toy production

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Publication number Priority date Publication date Assignee Title
GB1242123A (en) * 1968-11-12 1971-08-11 Nat Res Dev Improvements relating to a method and apparatus for laser beam cutting
JPH04356386A (en) * 1991-06-03 1992-12-10 Mitsubishi Electric Corp Laser cutting machine
DE102008053213B4 (en) * 2008-10-22 2012-02-02 Reiner Gmbh Use of laser beams of at least one laser for odorless scoring, cutting and drilling of leather

Non-Patent Citations (1)

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Title
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Publication number Publication date
EP2845945A1 (en) 2015-03-11
PT3321417T (en) 2019-07-25
ES2737883T3 (en) 2020-01-16
PL2845945T3 (en) 2018-07-31
DE102013014747A1 (en) 2015-03-12
PT2845945T (en) 2018-03-26
HUE036687T2 (en) 2018-07-30
DK3321417T3 (en) 2019-07-29
HUE045544T2 (en) 2020-01-28
DK2845945T3 (en) 2018-03-12
EP2845945B1 (en) 2017-12-27
PL3321417T3 (en) 2020-03-31
TR201910157T4 (en) 2019-08-21
ES2663474T3 (en) 2018-04-12
EP3321417A1 (en) 2018-05-16

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