• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a fiber laying head for laying fiber-based material, in which it is possible, with the aid of a fiber guiding unit, to vary transversely to the direction of delivery. of the fiber-based material the feeding position of the fiber-based material on a pressure roller.
    公开号:FR3020590A1
    申请号:FR1553323
    申请日:2015-04-15
    公开日:2015-11-06
    发明作者:Marcus Perner；Hans-Peter Monner；Martin Wiedemann
    申请人:Deutsches Zentrum fuer Luft und Raumfahrt eV；
    IPC主号:
    专利说明:

    [0001] The invention relates to a fiber laying head intended for laying fiber-based material in order to manufacture a sheet of fibers for the manufacture of a fiber-reinforced composite part. Because of the particularly advantageous property of exhibiting particularly high strength and rigidity in at least one load direction, for a relatively low specific weight, fiber reinforced composite parts made of a fiber reinforced composite material are nowadays unavoidable in the industrial environment. The advantages resulting from these particularly advantageous properties, such as, for example, reduced fuel consumption throughout the lifetime of transport means, or even reduced wear, lead to an increasing use of these materials, even in fields of application. critical safety and related to supporting structures. But it is precisely in these areas that we are particularly looking for a high quality part and especially industrially reproducible.
    [0002] A disadvantage of fiber-reinforced composite materials is the manufacturing process, which most often can only be automated with significant resources, so that today many manufacturing steps have to be carried out manually in the case of structures. complex parts. Efforts are therefore made to automate as much as possible the manufacturing process, including the laying of the fiber-based material on a shaping tool. Thus, for example, there is known a fiber laying device in which, using fiber laying heads arranged on robots, fiber-based material can be placed on a shaping tool, the robots being guided on a rail system extending peripherally around the shaping tool and thereby reaching each point of the shaping tool for laying fiber-based material. Because of the flexibility of the entire system, especially in the case of industrial robots, the installation process is in itself affected by a certain inaccuracy, which for some parts, especially in the field of critical applications on the market. safety plan, is outside the tolerances. But fiber-based semi-finished products or fiber-based material also have manufacturing tolerances, which, under certain conditions, can lead to defective sites in the finished part, leading to the scrapping of the part as well. manufactured.
    [0003] According to DE 41 30 269 A1, there is known a device for the manufacture of prepreg laminated parts, in which a strip-shaped fiber material which is wound on a fiber reel and fed to device, is guided on a pressure roller then placing the fiber-based material on a tool. In order for the fiber material to be always centrally guided on the pressure roller, it is proposed that the fiber reel, which contains the fiber-based material to be laid, is mounted axially slidably with respect to the roller. pressure, so that in case of path deviation, the whole of the fiber reel with the fiber-based material that is wound therein, can be positioned to align. Such a device, however, finds its limits when the fiber-based material is not serially superimposed, but serially side-by-side, in order to be able to wind more fiber-based material onto the reel when the material web fiber-based is relatively small width. The entire fiber reel with the fiber-based material stored therein should then be moved axially in such a way that in some areas the fiber accumulator would at least partly extend beyond the laying head. The object of the present invention is to indicate an improved fiber laying head, making it possible to compensate for process uncertainties during the automated laying of fiber-based material, and at the same time also making it possible to use materials based on fibers. fibers laid in a serial manner side by side. According to the invention, the aim is achieved by means of a fiber laying head for laying fiber-based material in order to manufacture a fiber web for the manufacture of a fiber reinforced composite part, comprising a fiber supply unit for supplying fiber-based material to the fiber-laying head, and a fiber-laying unit for placing on fiber-fiber production equipment, the fiber-based material is supplied to the fiber-laying head by the fiber supply unit and conveyed to the fiber-laying unit by the fiber-supply unit, characterized in that - in the line of delivery of the material to fiber base between the fiber supply unit and the fiber delivery unit, there is provided a fiber guiding unit through which the fiber material is fed to the fiber laying unit. fibers in a position d provided, the fiber guiding unit is adapted to vary the feeding position of the fiber-based material to the fiber-laying unit, transversely to the direction of conveyance of the fiber-based material, and there is provided a control unit, connected in terms of signage to the fiber guiding unit, and arranged to control the fiber guiding unit to vary the feed position.
    [0004] From this it is proposed a fiber laying head, intended for the laying of fiber-based material to manufacture a fiber web for the manufacture of a composite fiber-reinforced part. The fiber laying head comprises a fiber supply unit for supplying fiber material to the fiber laying head, and a fiber laying unit, the fiber laying unit being adapted for laying on tooling the fiber-based material provided by the fiber supply unit and delivered to the fiber-laying unit by the fiber-supply unit.
    [0005] According to advantageous configurations, the fiber supply unit is a fiber-based material accumulator made to store fiber-based materials in the form of strips. It may for example be a coil on which are wound the fiber-based materials in the form of strips. The fiber-based material can be wound side by side in a serial manner. The fiber-laying unit may, in an advantageous embodiment, be an applicator roll or pressure roller, by means of which the fiber-based material fed to the pressure roller is pressed against the tool and is thus laid down. As a result, the fiber-based materials are fed to the fiber-laying unit so that the fiber-based material flows between the fiber-laying unit and the tool, thereby being deposited by the fiber-laying unit. Fiber laying head on the tooling. According to the invention, there is provided in the delivery line of the fiber-based material between the fiber supply unit and the fiber-laying unit, a fiber guiding unit through which the The fiber-based material is guided to the fiber-laying unit to a feeding position. The fiber guiding unit is adapted to vary the feeding position of the fiber-based material to the fiber-laying unit, transversely to the conveying direction of the fiber-based material, so that the feeding position is modifiable during the laying of the fiber-based material. The fiber feed unit is further connected, in terms of signage, to a control unit designed to correspondingly control the fiber guiding unit, to vary the feed position to the feed unit. fiber laying, or to adjust it to a predetermined or calculated value. According to the invention, the fiber guiding or feeding unit is arranged between the fiber supply unit and the fiber laying unit, in order to be able to vary the feed position to the feed unit. fiber laying unit. Advantageously, the fiber material is conveyed from the fiber supply unit and guided through the fiber guiding or delivery unit and is then fed to the fiber delivery unit. This has the advantage of being able to appropriately influence the fiber-based material just before it is fed to the fiber-laying unit, so that it can vary or be able to adjust the feeding position to the fiber-unit. laying of fibers, without having to move the entire accumulator of fiber-based material. It is thus possible to use also fiber-based materials wound axially side by side on a coil of fiber-based material.
    [0006] This results in the advantage that the fiber-laying head is able to vary the feeding position of the fiber-based material to the fiber-laying unit, which makes it possible to compensate for process uncertainties during the laying of fibers. It is thus possible, for example, to compensate for a deviation of the material's trajectory with respect to a previously laid-up fiber web or manufacturing tolerances of the fiber-based material. For the purposes of the invention, the fiber-based materials may be any material suitable for the manufacture of a fiber-reinforced composite part.
    [0007] Thus, the fiber-based materials may for example be in the form of tows (most often of a width% I "or 1/2"), or in the form of ribbons (most often a width of 150 mm or 300 mm). But it is also possible to consider rowings or other ribbons or bands of fibers.
    [0008] According to an advantageous embodiment, the fiber guiding unit has at least one actuator designed for rotational and / or translational movement of the fiber guiding unit, transversely to the direction of delivery of the base material. of fibers, in order to vary the feeding position. Such an actuator may for example be a linear drive for sliding the feed unit or fiber guide, transversely to the direction of routing. The movement of the fiber guiding unit transversely to the conveying direction of the fiber-based material makes it possible to vary the feed position of the fiber-based material to the fiber-laying unit, transversely to the direction of routing, which provides the evoked benefits. If the fiber-laying unit is, for example, a pressure roller, it is particularly advantageous if the fiber-guiding unit can be displaced by means of the actuator, axially with respect to the pressure roller or applicator roll, for ability to vary or adjust the feeding position to the pressure roller.
    [0009] According to another embodiment, the fiber guiding unit comprises at least one pair of mutually opposite guiding elements between which the fiber material is guided. Advantageously, the fiber guiding unit comprises a plurality of these pairs of guiding elements so that the fiber-based material can reliably be guided by passing between these pairs of guiding elements, and a movement of the guiding elements. The fiber guiding unit makes it possible to vary the feed position accordingly. The guiding elements are advantageously in a position perpendicular to a fiber laying plane defined by the fiber-laying unit, so that, particularly in the case of fiber-based materials in the form of an endless belt, a variation from the feeding position to the fiber-laying unit is made possible without damaging the edges of the fiber-based materials. On the contrary, the guide elements, which may be guide rollers, are perpendicular to the laying plane of the fibers, and thus also perpendicular to an axis of a pressure roller, so that the material must first be turned from 90 degrees before being brought back to the fiber placement unit. In other words, the flat fiber material is guided through the fiber guiding unit perpendicular to the actual fiber laying plane, and then undergoes a 90 degree twist around its own axis, so that the flat fiber-based material returns to the laying plane of the fibers, thus being able to be suitably deposited on the tooling. The rotation of the fiber-based material by 90 degrees around its own axis allows translation or sliding of the guiding or fiber feeding unit transversely to the conveying direction to vary the feeding position. the fiber-laying unit exerts no force on the edges of the fiber-based materials. According to an advantageous embodiment, there is provided a sensor adapted to detect the width of the fiber-based material conveyed to the fiber-laying unit, the control unit being configured to control the guiding unit of the fiber-laying unit. fibers for adjusting the feeding position to the fiber-laying unit, depending on the raised width of the fiber-based material. If the width of the fiber-based material has a gap, the present invention enables the position of the material to be corrected, before the fiber-based material reaches the fiber-laying unit and is applied and pressed onto the tooling. formatting. The current band then does not overlap with the neighboring band laid before, since it was possible during the laying process, to take into consideration the tolerance of the fiber-based material as to its width. The width of the fiber-based material here represents the extent of the fiber-based material transversely to the direction of conveyance.
    [0010] According to another embodiment, there is provided a sensor adapted to detect an actual instantaneous guiding position of the fiber-based material transversely to the direction of conveyance of the fiber-based material, the control unit being configured for controlling the fiber guiding unit for adjusting the feeding position to the fiber-laying unit, as a function of the instantaneous actual guiding position and a prescribed set-point guiding position. By raising the instantaneous actual guiding position and comparing it to a prescribed setpoint guiding position, it is possible to detect a deviation of the fiber-based material from the prescribed setpoint guiding position, and to correct this deviation by intervening on the latter, thereby to prevent the fiber-based material from being brought to the preferred supply position to the fiber-laying unit, which would lead to material deviations when laying the material to fiber base on the tooling. On the contrary, the control of the fiber guiding unit enables the fiber material to be always regulated and exactly to the prescribed setpoint guiding position, so that the fiber material is always fed to the unit. laying fiber in the prescribed supply position, thus being able to be laid extremely accurately corresponding.
    [0011] The guiding position may for example be a position transversely to the direction of routing, for example a corresponding position axially relative to a pressure roller. But the instantaneous actual guiding position can also be detected at another location by means of the sensor, the data and construction relationships making it possible to conclude at the corresponding guiding position at the level of the fiber laying unit. According to an advantageous embodiment for this purpose, the sensor for measuring the width of the fiber-based material or the sensor for raising the instantaneous actual guiding position may be formed by a return roller arranged before the laying unit. of fibers and the fiber guiding or feeding unit, the returning roller comprising a pressure-sensitive material which converts the mechanical pressing force due to the fiber-based material into an electrical signal, thereby read the width of the fiber-based material and / or the instantaneous actual guide position. According to another advantageous embodiment, there is provided a sensor designed to detect fiber-based material already laid, with respect to the fiber-laying unit, the control unit being configured to control the unit. fiber guide means for adjusting the feeding position to the fiber-laying unit with respect to the fiber-laying unit, as a function of the already laid fiber material detected. It is thus possible to compensate, with the aid of the feed and fiber guiding unit provided for the adjustment of the feed position, of the strip laying path deviations, of low frequency, relative to to a band of adjacent material, so that it avoids gaps in the interior of the fiber web due to gaps in the path of laying strips during the laying process. If the pose deviates from the target path, and if it is detected by the sensor, for example a laser optical cut sensor, the control unit generates a correction signal, which is sent to the actuator and therefore to the fiber guiding unit, so that the feeding position to the fiber laying unit is changed and the guiding of the material is moved correspondingly, to compensate for the deviation from the path deposit. The material then reaches the pressure roller in an already corrected manner or in a compensated routing, so that a uniform distribution of properties in the overall composite part is obtained accordingly. According to an advantageous embodiment, the sensors, ie the sensors for measuring the width, the sensors for raising the instantaneous real guiding position, and / or the sensors for detecting fiber-based material already exist. each can be constituted by a laser optical cutting sensor to raise the desired parameters with the highest precision. The modification of the feeding position of the fiber-based material to the fiber-laying unit here refers to at least the aspect in which the position at the fiber-laying unit transverse to the direction of the fiber-laying unit. routing, is different at a first moment from the position transversely to the routing direction at a second subsequent time. By varying the feed position to the fiber-laying unit, it is possible to adjust, or to move or even regulate predetermined or calculated concrete feed positions to the fiber-laying unit. The invention will be explained in the form of an example, with reference to the appended drawings. These show: Figure 1 a schematic representation of a side view of a fiber laying head according to the invention; Figure 2 is a schematic representation of a top view of essential elements of the fiber laying head according to the invention. FIG. 1 schematically shows the side view of a fiber laying head 1, intended for laying fiber-based material 2 on a tool 3. The fiber laying head 1 has for this purpose a material accumulator 4 in the form of a coil from which the fiber-based material 2 is supplied to the laying head 1. The material accumulator 4 is thus a fiber supply unit in accordance with the present invention. The fiber supply unit may furthermore also be a fiber delivery system by means of which the fiber material is fed from the outside into the fiber laying head 1 (not shown). The fiber-laying head 1 further comprises a pressure roller 5 by means of which the fiber-based material 2 is laid and pressed onto the tooling 3. For this purpose, the fiber-based material 2 is conveyed from the accumulator of fiber material 4 to the pressure roller 5, via at least one return roller 6 shown, so that the fiber material 2 is guided between the pressing roller 5 and The surface of the tooling 3 is thus defined, between the accumulator of fiber-based material 4 and the pressure roller 5, a conveying line along which the fiber-based material 2 is conveyed from the In the conveyor line of the fiber-based material, according to the invention, in the embodiment of FIG. 6 and the pressure roller 5, the fiber guiding unit 7 to through which the fiber-based material 2 is guided in the direction of the pressure roller 5. The fiber guiding unit 7 is here configured to vary the feed position of the fiber-based material to the pressure roller 5, transversely to the direction of conveyance of the fiber-based material (the plane out of the representation of the drawing), which makes it possible to vary, or even to actively control, the position of the fiber-based material 2 placed on the During the laying of the fiber-based material 2, the fiber-guiding unit is designed so that it can move axially with respect to the pressure roller 5 by means of an actuator, not shown, which allows to vary the feed position of the fiber-based material to the pressure roller 5, transversely to the direction of conveyance of the fiber-based material, that is to say axially in the embodiment of the invention. FIG. 1. The fiber guiding unit 7 is here connected, in terms of signage, with a control unit 8 in order to appropriately control the fiber guiding unit 7, thus being able to vary the position for feeding the fiber-based material to the pressure roller 5. According to the embodiment of FIG. 1, there is provided a first optical cutting sensor 9, designed to detect strips of fiber-based material already 3. The control unit 8 is configured to control the fiber guiding unit 7 so that a change in the feeding position to the pressing roller 5 makes it possible to compensate for deviations from the to the set path of strips of material already laid and detected. Furthermore, there is provided a second optical cutter sensor 10, configured both for raising the width of the fiber material 2, and for raising an instantaneous actual guide position before or upstream of the guide unit of the fiber. 7. With knowledge of the width of the fiber material and the actual instantaneous guide position of the fiber material 2, the control unit 8 is then able to appropriately control the unit. for guiding fibers 7, so as to compensate tolerances on the width of the fiber-based material 2, or so as to regulate a reference guide position. It is also possible to envisage that the return roller 6 has a pressure-sensitive material which converts the mechanical support pressure into an electrical signal, for example an electrical voltage, thus making it possible to raise the guiding position. actual instantaneous and / or the width of the fiber-based material using the return roller 6, in the manner of a sensor. FIG. 2 schematically shows, in plan view, the fiber-based material accumulator 4, the fiber-guiding unit 7 and the pressure roller 5, and the fiber-material-carrying line. 2. The fiber guiding unit 7 comprises guide elements 11 in pairs, for example in the form of guide rollers. The fiber-based material 2 is guided between each pair of guide members 11. The fiber guiding unit 7 is here configured to be movable transversely to the conveying direction Fn, the fibers 2, so that a feeding position Pm to the pressure roller 5 is modifiable or adjustable. On this occasion, the fiber guiding unit 7 moves coaxially with the pressure roller 5, so that the supply position Pm of the fiber-based material 2 to the pressure roller 5 is axially adjustable.
    [0012] The fiber guiding unit 7 may be displaceably mounted in the directions R1, R2 shown, for example by means of a linear actuator, where appropriate using a lever mechanism. Such an actuator may for example be constituted by a piezoelectric actuator.
    [0013] Nomenclature of marks: 1 Fiber laying head 2 Fiber-based material 3 Tooling 4 Fiber-based material accumulator, fiber supply unit 5 Pressing roller, fiber-laying unit 6 Deflection roller 7 Guiding unit fibers 8 Control unit 9 Optical cutting sensor 10 Optical cutting sensor 11 Guide elements; Fm Feeding direction of the fiber-based material; Pn, Feeding position of the fiber-based material; R1, R2 Direction of movement of the fiber guiding unit
    权利要求:
    Claims (10)
    [0001]
    Claims: 1. Fiber laying head (1) for laying fiber-based material for the manufacture of a fiber web for the manufacture of a fiber-reinforced composite part, comprising a fiber supply unit (4) for supplying fiber-based material (2) to the fiber-laying head (1), and a fiber-laying unit (5) adapted for laying on a tool (3) for producing the fiber web, the fiber-based material (2) supplied to the fiber-laying head (1) by the fiber supply unit (4) and conveyed to the fiber-laying unit (5) by the unit fiber supply device (4), characterized in that in the conveyance line of the fiber-based material (2) between the fiber supply unit (4) and the fiber-laying unit (5), there is provided a fiber guiding unit (7) through which the fiber-based material (2) is fed to the fiber-laying unit (5) in one feed position (Pm), the fiber guiding unit (7) is adapted to vary the feeding position (Pm) of the fiber-based material (2) to the fiber-laying unit (5). ), transversely (R1, R2) to the conveying direction of the fiber-based material (2), and there is provided a control unit (8), connected in terms of signage to the fiber guiding unit ( 7), and adapted to control the fiber guiding unit (7) to vary the feeding position (Pm).
    [0002]
    2. Fiber laying head (1) according to claim 1, characterized in that the fiber guiding unit (7) has at least one actuator, designed for the rotary displacement and / or translation of the unit of guiding fibers (7), transversely to the conveying direction (Fm) of the fiber-based material (2), to vary the feeding position (Pm).
    [0003]
    3. Fiber laying head (1) according to claim 1 or 2, characterized in that the fiber guiding unit (7) comprises at least one pair of mutually opposite guide elements (11), by means of intermediate of which the fiber-based material (2) is guided, the guide elements (11) being arranged perpendicularly to a fiber laying plane defined by the fiber-laying unit (5), so that the material based on of fibers (2) is guided by the fiber guiding unit (7) substantially perpendicularly to the laying plane of the fibers.
    [0004]
    4. Fiber laying head (1) according to one of the preceding claims, characterized in that there is provided a sensor (10) designed to raise the width of the fiber-based material (2) conveyed to the unit for laying fibers (5), the control unit (8) being configured to control the fiber guiding unit (7) to adjust the feed position (Pm) to the fiber-laying unit (5). ), as a function of the raised width of the fiber-based material (2).
    [0005]
    Fiber laying head (1) according to one of the preceding claims, characterized in that a sensor (10) is provided which is designed to detect an actual instantaneous guiding position of the fiber-based material (2) transversely. to the feeding direction of the fiber material (2), the control unit (8) being configured to control the fiber guiding unit (7) to adjust the feeding position (Pm) to the fiber-laying unit (5), as a function of the instantaneous actual guiding position and a prescribed set-point guiding position.
    [0006]
    Fiber laying head (1) according to one of the preceding claims, characterized in that a sensor (9) is provided for detecting fiber material already laid, with respect to the laying of fibers (5), the control unit (8) being configured to control the fiber guiding unit (7) to adjust with respect to the fiber-laying unit the feeding position (Pm) to the fiber-laying unit (5), as a function of the already laid fiber material detected.
    [0007]
    Fiber laying head (1) according to one of the preceding claims 4 to 6, characterized in that the sensor (9, 10) is an optical cutting sensor.
    [0008]
    Fiber laying head (1) according to claim 4 or 5, characterized in that as a sensor (10) there is provided a deflection roller (6) comprising a pressure-sensitive material which converts the mechanical pressing force of the water-based material (2) into an electric signal for the purpose of raising the width and / or the instantaneous actual guiding position.
    [0009]
    9. Fiber laying head (1) according to one of the preceding claims, characterized in that the fiber laying unit (5) is a pressure roller.
    [0010]
    10. Fiber laying device comprising a robot, a tool (3) and a fiber laying head (1) according to one of the preceding claims.
    类似技术:
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    同族专利:
    公开号 | 公开日
    DE102015106517A1|2015-11-05|
    FR3020590B1|2019-05-10|
    DE202014102032U1|2015-08-03|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO1984000351A1|1982-07-19|1984-02-02|Boeing Co|Method and apparatus for fiber lamination|
    WO2011116191A1|2010-03-17|2011-09-22|Zoltek Companies, Inc.|Band width control for band forming apparatus|
    GB2492594A|2011-07-08|2013-01-09|Univ Bristol|Tow placement apparatus and method|FR3047435A1|2016-02-04|2017-08-11|Deutsches Zentrum Fur Luft- Und Raumfahrt E V|DEVICE FOR DETECTING DEFECTS OF MATERIALS AND METHOD RELATING THERETO|
    WO2018046980A1|2016-09-06|2018-03-15|Fibre Reinforced Thermoplastics B.V.|Fiber-reinforced composites, laminates including the same, and systems and methods for making such laminates|DE3226290C2|1982-07-14|1985-09-12|Messerschmitt-Bölkow-Blohm GmbH, 8000 München|Arrangement for the controlled depositing of fibers on a mold|
    NO871433L|1986-04-07|1987-10-08|Hercules Inc|TRAADVIKLESYSTEM.|
    DE4130269C2|1990-09-13|1996-05-23|Toshiba Machine Co Ltd|Method and device for manufacturing laminated prepreg parts|
    JP4309339B2|2002-05-29|2009-08-05|ソシエテドテクノロジーミシュラン|Apparatus and method for attaching a strip to a rotating surface|DE102015114003B4|2015-08-24|2018-06-21|Deutsches Zentrum für Luft- und Raumfahrt e.V.|Fiber laying head for depositing fiber material and method for this purpose|
    法律状态:
    2016-03-31| PLFP| Fee payment|Year of fee payment: 2 |
    2017-03-22| PLFP| Fee payment|Year of fee payment: 3 |
    2017-12-29| PLSC| Search report ready|Effective date: 20171229 |
    2018-03-20| PLFP| Fee payment|Year of fee payment: 4 |
    2020-03-20| PLFP| Fee payment|Year of fee payment: 6 |
    2021-03-24| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE202014102032.2|2014-04-30|
    DE202014102032.2U|DE202014102032U1|2014-04-30|2014-04-30|Fiber laying head|
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