EP3312335B1 - Procédé et installation destinés à la fabrication d'une découpe à partir de produits textiles semi-finis - Google Patents

Procédé et installation destinés à la fabrication d'une découpe à partir de produits textiles semi-finis Download PDF

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Publication number
EP3312335B1
EP3312335B1 EP17197378.7A EP17197378A EP3312335B1 EP 3312335 B1 EP3312335 B1 EP 3312335B1 EP 17197378 A EP17197378 A EP 17197378A EP 3312335 B1 EP3312335 B1 EP 3312335B1
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EP
European Patent Office
Prior art keywords
cutting
offcuts
blank
finished product
textile semi
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.)
Active
Application number
EP17197378.7A
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German (de)
English (en)
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EP3312335A3 (fr
EP3312335A2 (fr
Inventor
Yannis GROHMANN
Sven Torstrick
Ingmar HESSEN
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Deutsches Zentrum fuer Luft und Raumfahrt eV
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Deutsches Zentrum fuer Luft und Raumfahrt eV
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Publication of EP3312335A2 publication Critical patent/EP3312335A2/fr
Publication of EP3312335A3 publication Critical patent/EP3312335A3/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
    • B26F1/3813—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/10—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
    • B26D1/11—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge with a plurality of cutting members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D9/00—Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
    • 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
    • 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
    • D06H7/24—Devices specially adapted for cutting-out samples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0033—Cutting members therefor assembled from multiple blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet

Definitions

  • the invention relates to a method for producing a blank from at least one textile semifinished product, wherein the blank is produced by means of a cutting device from the sheet-like semi-finished textile product.
  • the invention also relates to a system for producing such a blank from at least one textile semifinished product.
  • a blank is first produced from the semifinished fiber product (as a semi-finished textile product) by cutting the textile semifinished product according to a blank geometry by means of a cutting blade along the outer boundary of the blank geometry ,
  • the semifinished fiber product is usually separated into a blank from which the fiber composite component is produced, and into a waste which usually can not be reused in the further process chain.
  • the blank When dry fiber semifinished products are used, the blank is then infused with a matrix material of the fiber composite material and then cured, resulting in an integral unit of matrix material and fiber material.
  • the semifinished fiber product is placed on a cutting table, for example, so that the semifinished fiber product contacts the cutting surface in a planar manner on one side.
  • a cutting knife With a cutting knife, the semifinished fiber product is then cut to size on the cutting table according to the predetermined cutting geometry, so that next to the blank also a waste remains. Subsequently, the blank is removed from the cutting table and the further manufacturing process (infusing the matrix material, annealing of the component, producing the fiber composite component) supplied.
  • the object is achieved by the method according to claim 1 and the system according to claim 9 according to the invention.
  • a method for producing a blank from at least one textile semifinished product is specified, wherein first the at least one semi-finished textile product is introduced into a cutting tool.
  • a cutting tool can be, for example, a flat, mostly planar cutting table on which the textile semifinished product is deposited. But a cutting tool can also be a molding tool on which a Faserpreform from one or more semi-finished textile products, such as semi-finished fiber products, was produced, the Faserpreform should be trimmed after production endkontur.
  • a cutting tool in the context of the present invention is thus a tool with which a semi-finished textile product, in particular a semi-finished fiber product for producing a fiber composite component, cut using a cutting blade and thus a blank can be produced.
  • the at least one After introducing the at least one semi-finished textile product into the cutting tool, the at least one is now inserted into the cutting tool with the aid of a first cutting device in accordance with the present blank geometry of the blank introduced textile semifinished product cut to produce the cut from the textile semifinished product.
  • a plurality of blank elements can be cut out of the textile semifinished product, for example of different geometry, in order to minimize the waste.
  • the first cutting device may be, for example, a cutting portal, which has a moving machine on which a cutting blade is arranged to cut a laid down on a cutting table semi-finished fiber accordingly and produce the blank.
  • the blank is gripped by a gripping device and raised relative to the waste, so as to spatially separate the blank from the waste.
  • the waste is gripped by the gripping device and raised over the blank to spatially separate the blank from the waste.
  • the gap between the scrap may be less than 5 cm, advantageously less than 3 cm and most preferably less than 1 cm. The gap must only be at least so large that a cutting blade of a second cutting device, as described below, can be passed.
  • At least one cutting blade of a second cutting device is passed through the resulting gap between blank and waste, thereby ensuring that all fibers / threads not yet severed of the textile semifinished product are completely severed, so that after passing the at least one cutting blade of the second cutting device through the resulting gap, the blank is completely and reliably separated from the waste.
  • the first cutting device may be different from the second cutting device.
  • the first cutting device coincides partially or completely with the second cutting device and the cutting blade for cutting is at the same time the cutting blade which is passed through the resulting gap.
  • the at least one semifinished textile product can be placed on a tool surface of the cutting tool and cut on the tool surface by the first cutting device. This is usually the case when the cutting tool is a cutting table or a mold for producing a Faserpreform.
  • the blank is raised relative to the waste - or vice versa - in such a way that the cut plane spanned by the flat blank is different from the cut plane defined by the flat cut, so that blank and blanks lie on different levels when the cutting knife the second cutting device is passed through the resulting gap.
  • the at least one cutting blade of the second cutting device is guided through the resulting gap essentially parallel to the blank and / or waste, whereby damage, in particular to the blank, can be prevented ,
  • a second cutting device is provided for the method according to the invention such that at least two axially movable cutting blades are provided, which are moved in opposite directions axially when passing through the gap formed.
  • the axially movable cutting blades are formed so that they are alternately moved axially, so that the direction of movement changes continuously. Conversely, this means that the cutting blades are not moved substantially in the same axial direction during the axial movement.
  • the axial movement takes place transversely to the direction of passage through the gap.
  • the at least one cutting blade of the second cutting device is caused to oscillate during the passage through the gap, whereby an improved cutting force can be achieved without great pressure or counterpressure forces.
  • an improved cutting force can be achieved without great pressure or counterpressure forces.
  • a method for producing a fiber composite component from a fiber composite material which has a fiber material and a matrix material.
  • the fiber material is the semi-finished textile product, wherein a blank is automatically produced from at least one of the provided semifinished textile products in accordance with the abovementioned method and then the fiber composite component is produced from the produced blank.
  • the invention also includes a system for producing a blank from at least one semi-finished textile product, wherein the system is in particular adapted and designed to carry out the above-described method for producing a blank.
  • the system has a cutting tool into which the at least one semi-finished textile product can be introduced.
  • a cutting tool can have a tool surface onto which the at least one textile semifinished product can be deposited.
  • Such a cutting tool with a tool surface can be, for example, a cutting table or a molding tool.
  • the system furthermore has a first cutting device, which is designed to cut the at least one semi-finished textile product introduced into the cutting tool according to a predetermined cutting geometry of the blank. Furthermore, the system has a gripping device which is used to grasp the blank and raising the blank relative to the waste - or vice versa - is designed such that in the cross section of the textile semifinished product between the blank and the waste due to the lifting creates a gap, wherein blank and waste together form the at least one textile semifinished product.
  • the system has a second cutting device, which has at least one cutting blade which can be guided through the resulting gap between blank and waste, so as not or not completely severed fibers or filaments of the textile semi-finished, not completely from the first cutting device were severed, cut and thus the cutting of the blend final, complete and reliable separation.
  • the first cutting device can advantageously be a cutting portal which has at least one cutting blade movable relative to the cutting tool (designed in the form of a tool surface) for cutting the at least one semi-finished textile product introduced into the cutting tool.
  • a cutting portal is also referred to as a cutter system.
  • the first cutting device can also be an articulated-arm robot, which has as end-effector at least one cutting blade for cutting the at least one textile semifinished product introduced into the cutting tool.
  • an articulated-arm robot with a cutting knife as the end effector is used, for example, when a 3D preform has been introduced into a molding tool and manufactured there and the final geometry of the 3D preform are now formed using the cutting blade on the articulated arm robot in the mold should.
  • the textile semifinished product is cut within the molding tool, wherein advantageously the scrap increases and the blank remains on the molding tool.
  • the second cutting device is designed such that the at least one cutting blade can be guided substantially parallel to the blank and / or waste through the resulting gap.
  • This embodiment can be used advantageously, for example, if the first Cutting device is a cutting portal and the second cutting device is integrated into the cutting portal.
  • the at least one cutting blade of the second cutting device is designed so that it advantageously extends over the entire width of the cutting table of the cutting portal and between the raised blank (or waste) and the remaining on the table waste (or blank) is passed, so that in this case, the at least one cutting blade of the second cutting device is also passed between the cutting tool and the gripping device.
  • the second cutting device is designed so that at least two axially movable cutting blades are provided, which are formed in opposite directions during passage through the resulting gap.
  • the direction of the axial movement of a cutting blade alternates, so that a "back and forth” movement is generated in the axial direction.
  • the axial direction of movement is transverse to the direction of movement of the blade, when it is passed through the gap between blank and waste.
  • the at least one cutting blade of the second cutting device has a plurality of cutting teeth, which are aligned in the feedthrough direction. In combination with an axial, alternating movement of the at least one cutting blade thus creates a kind of sawing movement when the cutting blade is passed between blank and waste. Sawing also falls under the term "cutting" in the sense of the present invention in relation to the cutting blade.
  • the cutting teeth can have, for example, a triangular sectional plane or tooth shape, wherein the cutting teeth arranged with an edge side of the triangle to a cutting blade and the opposite tip of the triangle is aligned in the direction of passing direction between blank and waste.
  • the cutting teeth of the at least one cutting blade of the second cutting device on one or more barbs, so that when passing the cutting blade through the gap between blank and waste the not yet completely severed fibers or threads are caught in the barb and thus be severely cut process.
  • This is to prevent the threads from possibly slipping out of the working area of the cutting blade and not being severed, which can cause the threads to get caught in the cutting blade and then be torn out of the blank as the cutting knife passes through the gap.
  • Such defects in the later component, especially in the load-bearing fibers are unacceptable in many applications.
  • the at least one cutting blade of the second cutting device is vibrated while it is passed through the resulting gap between blank and waste, so as to improve the cutting result. This is particularly advantageous against the background that as little pulling force on the not yet severed fibers or filaments may be applied by the cutting blade in order to avoid separation of the fibers or threads from the blank.
  • the cutting blade has a particular elongate extension (in the axial direction), which is necessary, for example, in the integration of the second cutting device in a cutting portal, when the cutting blade is to extend over the entire space of the cutting portal.
  • Widths of up to 3 m are realized in industrially used cutter machines or cutting gantries, which would require extremely high material rigidity.
  • the available space is greatly limited by the specification of the minimum spatial separation between blank and waste and the smallest possible gap width, so that it is particularly premature if the cutting blade, in particular on the cutter bar, one or more support rollers, with which the Cutting knife can be supported on the cutting tool.
  • the support rollers can be designed in the form of spherical rollers be to allow also an axial movement. This avoids that the cutter bar must be cantilevered over the entire width of the cutting portal.
  • the invention also includes a system for producing a fiber composite component, to such a system generically a mold, depending on the fiber composite material used an injection unit for injecting a matrix material and a curing device, such as an autoclave, for annealing the matrix material and curing the same.
  • a system for producing a fiber composite component then has a system for producing a blank as described above, so as to be able to automate the process step of manufacturing the blank in a process-reliable manner.
  • Lifting the blank relative to the waste - or vice versa - is understood to mean, in particular, a lifting movement with respect to the non-lifted part, whereby the blank and waste are spatially separated into different planes, such lifting movement or lifting need not be axial to the soil solder run, but can for example also obliquely arranged cutting tool surfaces obliquely to the earth slot.
  • the term "lifting” is not limited to a pure lifting movement parallel to the soil, but merely means a spatial separation between blank and waste. This includes, in particular, a shifting and / or lowering.
  • gripping of the blank or trimming is understood to mean, in particular, that the gripping device holds the blank or waste on the gripping device and can spatially separate it from the respective other part.
  • a gripping device may for example be a needle gripper.
  • Conceivable are other gripping mechanisms, such as electrostatic or negative pressure.
  • Such a gripper is nevertheless a manipulator which spatially separates the blank from the waste, for example by lifting, lowering and / or moving.
  • a "cutting blade” is understood to be a blade which cuts the textile semifinished product without contact or contact. Can sever fibers / threads. Such a cutting blade can be a classic knife with or without knife teeth. It is also conceivable that the cutting blade unfolds its cutting action, for example by laser, water or sand, for example by other cutting mechanisms.
  • FIGS. 1a-1f show in a schematic representation of the individual process steps for producing a blank from a textile semifinished product, wherein in the embodiment of the FIGS. 1a-1f has been turned off for the purpose of explaining the method to the application of a cutting portal, in which the semi-finished textile deposited on a cutting table and then the cutting portal using a knife arranged on the portal according to the blank geometry cuts the blank from the textile semifinished product.
  • FIGS. 1a-1f show on the left side a plan view of the cutting portal, while on the right side is shown a side view.
  • FIG. 1a a cutting table or cutting table 10 is shown, which forms the cutting tool for the semi-finished textile product 1 to be cut.
  • a cutting portal 20 is arranged, which forms the first cutting device for producing a blank from the textile semifinished product 1.
  • the cutting portal 20 has a moving machine 21 with which a cutting head 22 can be positioned and moved over the cutting table. Below the cutting head 22 (not shown) is a cutting blade for cutting the semifinished textile product 1 according to a predetermined cutting geometry.
  • FIG. 1a the cutting head 22 of the cutting portal 20 is positioned together with the cutting blade (not shown) in a parking position in the upper right corner of the cutting table 10, so that the textile semifinished product 1 (in the unassembled version) can be placed on the cutting table.
  • the textile semifinished product 1 is introduced into the cutting tool 10.
  • the semi-finished textile product 1 can be positioned at a predetermined position on the cutting table 10, if, for example, as low as possible cutting the blank to be produced and the entire surface of the textile semifinished product 1 must be utilized. It is also conceivable that the cutting head 22 has corresponding sensors in order to be able to determine the position of the textile semifinished product 1 deposited on the cutting table 10 and thus moves the cutting pattern relative to the positioning of the textile semifinished product 1.
  • FIG. 1b It is shown that 1 of several blank elements are cut out of the textile semifinished product, which together form the blank.
  • the remaining of the blank rest of the textile semifinished product 1 is referred to as a waste 3.
  • FIG. Figure 1c After all blank elements of the blank 2 have been cut from the textile semifinished product 1 by means of the cutting portal 20, the cutting head 22 of the cutting portal 20 is moved back to a parking position, as shown in FIG Figure 1c is shown. Subsequently, a gripping device 30 is positioned from above in the direction of the cutting table 10, which in the embodiment of the FIGS. 1a-1f to raise the blank. As in Figure 1c 2, the gripping device 30 is positioned and moved in the direction of the blank 2 until the gripping device 30 contacts the blank 2 (FIG. Figure 1d ).
  • the gripping device 30 After the gripping device 30 contacts the textile semifinished product 1 and grips the blank 2 in accordance with the design of the gripping device 30, the gripping device 30 is raised, as a result of which the blank opposite to the one on the Cutting table 10 remaining waste is raised.
  • FIG. 1b shown in side view the blank 2 is gripped and lifted by the gripping device 30, so that the blank 2 is released from the cutting table 10 and no longer contacted.
  • the waste 3, however, remains on the cutting table 10, so that in cross section, as in the side view of FIGS. 1a-1g is shown, a gap 4 between the raised blank 2 and the remaining waste 3 is formed.
  • the gap 4 is formed by the lifting of the blank 2, at least one cutting blade 41 of a second cutting device 40 is passed through this resulting gap 4, as in FIG. 1f is shown.
  • the cutting blade 41 is thereby passed between blank and waste and thereby severed the not yet severed fibers or threads 5, so that at the end of the passage of the cutting blade 41, the blank is completely separated from the waste.
  • FIG. 2 schematically shows some embodiments of the second cutting device 40 and their respective cutting blades 41.
  • an arrangement of two cutting blades 41 is shown, each having a plurality of cutting teeth 42.
  • the cutting teeth 42 have a triangular base and are tapered in the direction of passage.
  • the cutting blades 41 are axially movable, in the direction R shown by the case axially .
  • each two cutting blades are shown in an arrangement, the two cutting blades 41 are each in opposite directions, so that a cutting blade is always moved in an axial direction, which is opposite to the movement of the other cutting blade.
  • the threads are cut in the manner of a cutting trimmer when the non-severed fibers or threads fall between the cutting teeth 42 of the moving cutting blades 41.
  • barbs 43 may be provided on the cutting teeth 42, which in the upper illustration of FIGS FIG. 2 is shown.
  • FIG. 3 schematically shows a second cutting device 40 with two counter-axially movable cutting blades 41 which are arranged on a cutter bar 44.
  • the cutting blades 41 may be arranged on the cutter bar 44 so that they are axially movable and form a kind of cutting trimmer.
  • Support rollers 45 are also disposed on the cutter bar 44 to prevent the cutter bar 44 from being cantilevered over the entire width of the cutting table.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (17)

  1. Procédé de fabrication d'une pièce découpée (2) à partir d'au moins un produit semi-fini textile (1), comprenant les étapes consistant à :
    • introduire l'au moins un produit semi-fini textile (1) dans un outil de coupe (10), et
    • découper l'au moins un produit semi-fini textile (1) introduit dans l'outil de coupe (10) au moyen d'un premier dispositif de coupe (20) suivant une géométrie de coupe prédéfinie de la pièce découpée (2) pour fabriquer la pièce découpée (2) à partir de l'au moins un produit semi-fini textile (1),
    • saisir la pièce découpée (2) et soulever la pièce découpée (2) par rapport à une matière de chute (3) ou inversement au moyen d'un dispositif de préhension (30), de telle sorte qu'en section transversale, entre la pièce découpée (2) et la matière de chute (3) soit créé un interstice (4) résultant du soulèvement, la pièce découpée (2) et la matière de chute (3) formant ensemble préalablement l'au moins un produit semi-fini textile (1),
    caractérisé par l'étape consistant à
    • guider au moins une lame de coupe (41) d'un deuxième dispositif de coupe (40) à travers l'interstice créé (4) entre la pièce découpée (2) et la matière de chute (3).
  2. Procédé selon la revendication 1, caractérisé en ce que l'au moins un produit semi-fini textile (1) est posé sur une surface d'outil de l'outil de coupe (10) et est découpé en position posée sur la surface de l'outil.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la pièce découpée (2) est soulevée par rapport à la matière de chute (3) ou inversement au moyen du dispositif de préhension (30) de telle sorte que le plan de pièce découpée formé par la pièce découpée à plat (2) soit différent du plan de matière de chute formé par la matière de chute à plat (3) ou en ce que le bord de pièce découpée de la pièce découpée (2) est physiquement espacé du bord de matière de chute de la matière de chute (3).
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'au moins une lame de coupe (41) du deuxième dispositif de coupe (40) est guidée essentiellement parallèlement à la pièce découpée (2) et/ou à la matière de coupe (3) et/ou essentiellement parallèlement au bord de pièce découpée de la pièce découpée (2) et/ou au bord de matière de coupe de la matière de coupe (3) à travers l'interstice créé (4).
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième dispositif de coupe (40) est configuré de telle sorte qu'au moins deux lames de coupe (41) réalisées de manière déplaçable axialement soient prévues, lesquelles sont déplacées axialement en sens inverse lors du guidage à travers l'interstice créé (4).
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'au moins une lame de coupe (41) du deuxième dispositif de coupe (40) est amenée à osciller pendant le guidage à travers l'interstice (4).
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'au moins une lame de coupe (41) du deuxième dispositif de coupe (40) est guidée à travers l'interstice (4) au moyen d'un robot de manipulation (21) du deuxième dispositif de coupe (40) au niveau duquel est disposée au moins une lame de coupe (41).
  8. Procédé de fabrication d'un composant composite renforcé par des fibres à partir d'un matériau composite renforcé par des fibres, qui présente une matière fibreuse et une matière de matrice, la matière fibreuse étant prévue sous forme de produits semi-finis textiles (1), une pièce découpée (2) étant fabriquée de manière automatisée à partir d'au moins l'un des produits semi-finis textiles (1) fournis selon le procédé selon l'une quelconque des revendications 1 à 7, et le composant composite renforcé par des fibres étant ensuite fabriqué à partir de la pièce découpée fabriquée (2).
  9. Installation de fabrication d'une pièce découpée (2) à partir d'au moins un produit semi-fini textile (1), comprenant :
    • un outil de coupe (10) dans lequel peut être introduit l'au moins un produit semi-fini textile (1),
    • un premier dispositif de coupe (20), qui est conçu pour découper l'au moins un produit semi-fini textile (1) introduit dans l'outil de coupe (10) suivant une géométrie de coupe prédéfinie de la pièce découpée (2),
    • un dispositif de préhension (30), qui est conçu pour saisir la pièce découpée (2) et soulever la pièce découpée (2) par rapport à la matière de chute (3) ou inversement, de telle sorte qu'en section transversale du produit semi-fini textile (1), entre la pièce découpée (2) et la matière de chute (3) soit créé un interstice (4) résultant du soulèvement, la pièce découpée (2) et la matière de chute (3) formant ensemble préalablement l'au moins un produit semi-fini textile (1),
    caractérisée par
    • un deuxième dispositif de coupe (40), qui présente au moins une lame de coupe (41) qui est réalisée de manière à pouvoir être guidée à travers l'interstice créé (4) entre la pièce découpée (2) et la matière de chute (3).
  10. Installation selon la revendication 9, caractérisée en ce que l'outil de coupe (10) présente une surface d'outil sur laquelle peut être posé l'au moins un produit semi-fini textile (1).
  11. Installation selon la revendication 9 ou 10, caractérisée en ce que le premier dispositif de coupe (20) est un portique de découpage qui présente au moins une lame de coupe (23) déplaçable par rapport à l'outil de coupe (10) pour découper l'au moins un produit semi-fini textile (1) introduit dans l'outil de coupe (10), ou en ce que le premier dispositif de coupe (20) est un robot à bras articulé qui, en tant qu'effecteur terminal, présente au moins une lame de coupe pour découper l'au moins un produit semi-fini textile (1) introduit dans l'outil de coupe (10).
  12. Installation selon l'une quelconque des revendications 9 à 11, caractérisée en ce que le deuxième dispositif de coupe (40) est réalisé de telle sorte que l'au moins une lame de coupe (41) puisse être guidée essentiellement parallèlement à la pièce découpée (2) et/ou à la matière de chute (3) et/ou essentiellement parallèlement au bord de pièce découpée de la pièce découpée (2) et/ou au bord de matière de chute de la matière de chute (3) à travers l'interstice créé (4).
  13. Installation selon l'une quelconque des revendications 9 à 12, caractérisée en ce que le deuxième dispositif de coupe (40) présente au moins deux lames de coupe (41) réalisées de manière déplaçable axialement, qui sont réalisées de manière déplaçable en sens inverse lors du guidage à travers l'interstice créé (4).
  14. Installation selon l'une quelconque des revendications 9 à 13, caractérisée en ce que l'au moins une lame de coupe (41) présente une pluralité de dents de coupe (42) qui sont orientées dans la direction de guidage.
  15. Installation selon la revendication 14, caractérisée en ce qu'une, plusieurs ou la totalité des dents de coupe (42) de l'au moins une lame de coupe (41) présente(nt) des barbillons (43).
  16. Installation selon l'une quelconque des revendications 9 à 15, caractérisée en ce que le deuxième dispositif de coupe (40) est réalisé pour produire une oscillation au niveau de la lame de coupe (41) pendant le guidage de l'au moins une lame de coupe (41) à travers l'interstice créé (4).
  17. Installation selon l'une quelconque des revendications 9 à 16, caractérisée en ce que l'au moins une lame de coupe (41) présente un ou plusieurs galets de guidage (45).
EP17197378.7A 2016-10-20 2017-10-19 Procédé et installation destinés à la fabrication d'une découpe à partir de produits textiles semi-finis Active EP3312335B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016120008.5A DE102016120008A1 (de) 2016-10-20 2016-10-20 Verfahren und Anlage zur Herstellung eines Zuschnittes aus textilen Halbzeugen

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EP3312335A2 EP3312335A2 (fr) 2018-04-25
EP3312335A3 EP3312335A3 (fr) 2018-05-16
EP3312335B1 true EP3312335B1 (fr) 2019-08-21

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DE (1) DE102016120008A1 (fr)

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US1788084A (en) * 1929-04-09 1931-01-06 Melville G Curtis Pile fabric and method of making the same
US5101747A (en) * 1989-12-19 1992-04-07 Gerber Garment Technology, Inc. Apparatus and method for separating pattern pieces from waste material
US5092829A (en) * 1989-12-19 1992-03-03 Gerber Garment Technology, Inc. Method and apparatus for bundling and removing stacks of pieces cut from layups of sheet material
US5079810A (en) * 1990-12-28 1992-01-14 E. I. Du Pont De Nemours And Company Ultrasonic cutting of fabric tufts to provide improved retention of tuft indentity during use
DE4204756A1 (de) * 1992-02-18 1993-05-13 Wuestenberg Dieter Prof Dr Ing Verfahren zur kontinuierlichen bzw. abschnittsweise kontinuierlichen raeumlichen trennung textiler gutteilstapel und dem sie umgebenden abfall
DE102007061427B4 (de) 2007-12-20 2009-11-12 Airbus Deutschland Gmbh Vorrichtung zum Zuschneiden und Handhaben eines im Wesentlichen flächenhaften Zuschnittes aus einem CFK-Halbzeug und Verfahren
DE102011076152A1 (de) * 2011-05-19 2012-11-22 Dieffenbacher GmbH Maschinen- und Anlagenbau Verfahren und Vorrichtung zum Transportieren einer aus einem flächigen Fasergewebe ausgeschnittenen Faserkontur im Zuge der Herstellung von faserverstärkten Kunststoff-Formteile
DE102013109857A1 (de) * 2013-09-09 2015-03-12 Dieffenbacher GmbH Maschinen- und Anlagenbau Vorrichtung und Verfahren zum Zuschneiden und Handhaben eines flächenhaften Zuschnittes, insbesondere zur Herstellung von Bauteilen aus Faserverbundwerkstoff

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DE102016120008A1 (de) 2018-04-26
EP3312335A2 (fr) 2018-04-25

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