• 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:
    In order to be able to provide a heating channel unit (1) of a folding system (2) structurally and procedurally simple, but nevertheless extremely precisely in terms of complicated geometries, the invention proposes a heating channel unit (1) of a folding system (2) for folding over a decorative layer edge around a carrier part, with a channel (3) and with a plurality of outlets (10) from this channel (3), wherein at least a part (7) of the heating channel unit (1) is produced by means of an additive manufacturing process.
    公开号:AT517050A2
    申请号:T161/2016
    申请日:2016-03-29
    公开日:2016-10-15
    发明作者:
    申请人:Kiefel Gmbh；
    IPC主号:
    专利说明:

    The invention relates to a Heizkanaleinheit a Umbuganlage for umbugen a Dekorlagenrandes to a support member, with a channel and a plurality of outlets from this channel.
    The invention further relates to a method for producing a heating channel unit for heating a decorative layer edge, in which a channel of the heating channel unit is provided with a plurality of outlets for the escape of hot air. The invention also relates to a Umbuganlage for umbugen a decorative layer edge to a support member with a Heizkanaleinheit for heating the Dekorlagenrandes.
    Generic Umbuganlagen with a Heizkanaleinheit for heating at least one edge region of a decorative layer are known from the prior art, such as from the automotive industry, for a long time.
    In a Klebumbugverfahren, for example, to wrap around an edge of a decorative layer for a motor vehicle interior trim part, such as a film edge in door side panels of vehicles, either a thermoakti-vierbarer adhesive or the plastic body with itself
    Hot air heated and then bent with mechanical slides.
    Such Umbuganlagen are thus used approximately in the manufacture of components, which in particular composed of a support member and a decor layer arranged thereon, wherein the component is laminated by the decorative layer and thus refined to optically beautiful and sizable surfaces, for example on a functional component in a passenger compartment of a motor vehicle or the like. Thus, such functional components relate in particular to trim parts on door areas, dashboards, glove boxes or center consoles.
    For example, from the document DE 295 07 067 Ul a device for adhesive-free Umbugen of trim parts, such as interior trim of motor vehicles or the like, known. This device is characterized by a heating device with a heating channel unit, by means of which the surface of an inner contour of a carrier part is heated in the Umbugbereich and thereby melted, so that this heated or melted surface is made liable for decorative layer. In this case, the heating channel unit has a channel provided with outlets, such as holes and / or slots, by means of which hot air is conducted to the surface to be heated.
    In addition, there are other Umbuganlagen, in which the inside of an edge region of a decorative layer is heated and thus made adhesive, so that this edge region of the decorative layer can be glued following a support member and thereby permanently attached to the support member. These further Umbuganlagen are characterized for heating the Dekorlagenrandes by a Heizkanaleinheit, which has a channel with a plurality of outlets through which hot air can flow out of the channel and up to the decorative layer, in particular to be bent and glued decor layer edge warm up.
    In the known folding plants, in particular, the channel carrying the hot air has a course which is adapted to the contour of the carrier part or to the decorative layer in order to be able to reliably reach all the areas to be melted with hot air.
    In this case, parts of the heating channel unit, in particular also the channel having the outlets, often consist of a metal tube which is correspondingly heat-resistant for guiding the hot air.
    The channel is either elaborately milled according to the prior art or it will be bent round or rectangular tubes of the carrier part contour following by hand, and then welded in segments with each other to the channel or soldered. In these tubes must still be drilled holes or the like, through which the hot air flows out.
    For simple contours, this channel can still bend and adjust relatively easily according to the course of each contour. However, it will be readily apparent that the manufacture of such a heating channel unit, particularly a related channel, is relatively difficult, especially with more sophisticated contours. In this respect, it is often necessary that the heating channel unit or the channel of several channel segments must be assembled in order to realize a desired shape can. In particular, always new and elaborate functional components in interiors of vehicles complicate the production of suitably shaped Heizkanaleinheiten or channels considerably, so that the production of related Heizkanaleinheiten designed increasingly complex. This leads to significant additional costs in the provision of Umbuganlagen.
    The invention is therefore the object of further developing generic Umbuganlagen and in particular their Heizkanaleinheiten, so that they are even for more complicated functional components with reasonable effort and thus inexpensive to manufacture.
    The object of the invention is achieved by a Heizkanaleinheit a Umbuganlage for umbugen a Dekorlagenrandes to a support member with a channel and a plurality of outlets from this channel, wherein the Heizkanaleinheit characterized in that at least a part of the Heizkanaleinheit is made by means of an additive manufacturing process ,
    In contrast to conventional subtractive production methods, such as milling, drilling, turning or the like, such additive manufacturing methods are characterized in that materials for producing a component are added essentially in layers. In the present case, manufacturing processes which are based on joining methods, such as welding, soldering or the like, can preferably be completely eliminated by means of these additive manufacturing methods.
    Advantageously, by means of additive manufacturing processes especially parts associated with a heating channel unit with complicated geometries can be produced comparatively easily and inexpensively.
    This is due, in particular, to the fact that the heating channel unit can be produced at least partially essentially with a single production method and preferably in a single production step.
    In this respect, the object of the invention is also achieved by a method for producing a heating channel unit for heating a Dekorlagenrandes, wherein a channel of the Heizkanaleinheit is provided with a plurality of outlets for the escape of hot air, wherein the channel is generated generatively.
    As a result, in particular, the channel of the heating channel unit can be produced in one piece. For this purpose, an additive manufacturing process, we already explained above.
    The manufacture of the heating channel unit can be further simplified if the channel and the outlets are generated generatively together.
    It is understood, however, that the outlets provided in the channel could also be made differently.
    If the heating channel unit is made at least partially from a single data record, the heating channel unit can be produced even more easily.
    This single data set preferably contains all data required for additive production.
    It goes without saying that a wide variety of additive manufacturing processes can be used to manufacture the heating channel unit or parts thereof.
    It has been found that it is particularly advantageous if at least a part of the heating channel unit is produced in the 3D printing method, in particular in the 3D laser sintering method.
    In particular, such methods are particularly well suited to creating complicated geometries on the heating channel unit.
    Another particular advantage of the present invention can be seen in that, in particular, areas of the heating channel unit can be advantageously produced, through which a fluid, such as hot air, is guided, since such areas can be produced with continuous and particularly smooth inner surfaces.
    One of the reasons for this is that parts of the heating channel unit produced in the sense of the invention can be configured without interruption or without weld seams or the like.
    With regard to the required hot air less friction losses occur, so that the Umbuganlage not only can be operated more effectively, but the hot air can also be brought more evenly to be heated areas of the decorative layer, which in turn can be heated more evenly the Dekorlagenrand.
    This alone can significantly improve the quality of the connection between the decorative layer edge and the carrier part.
    Thus, a preferred embodiment also provides that at least part of the channel is produced by means of an additive manufacturing process, in particular in the 3D printing process.
    In particular, the channel, which runs essentially parallel to a decor layer edge, can be excellently produced in the 3D printing process.
    Thus, an individual shaping, but also an uninterrupted and particularly smooth inside of such a channel can be realized extremely easily.
    Furthermore, it is particularly expedient if at least a part of an outlet is produced by means of an additive manufacturing method, in particular in the 3D printing method. As a result, the channel and even in high numbers existing outlets together can preferably be generated in a single generative manufacturing step.
    By means of the additive manufacturing process proposed in the sense of the invention, even the shape of an outlet can thus be produced constructively and, in particular, in terms of production technology, individually.
    For example, the outlets are designed as holes or slots, but they can be formed almost arbitrarily.
    In any case, the outlets formed on the heating channel unit can have shapes which can not or only with great difficulty be realized with production or manufacturing methods provided to date.
    However, more individual shapes at outlets of a channel of a heating channel unit of a folding plant are advantageous and have also been desired for a long time, since in this way a more targeted or more effective heating of a decorative layer edge can be achieved.
    Furthermore, it is advantageous if hot air guide elements for conducting hot air are at least partially produced by means of an additive manufacturing process, in particular in the 3D printing process. As a result, the channel and hot air guide elements can be produced together preferably in a single generative manufacturing step.
    Hot-air directing elements produced in this way can assume almost any shape and can be formed or arranged without problems within the duct. Thus, such Heißluftleitelemente can be generated even within the channel of the Heizkanaleinheit without much effort.
    By means of such additional Heißluftleitelementen the hot air can be directed to the Heizkanaleinheit targeted.
    The production of the heating channel unit can be further facilitated and improved in general, when the channel outwardly projecting shoulder elements for limiting a heating space between the channel and the Dekorlagenrand at least partially by means of an additive manufacturing process, in particular in the 3D printing process, manufactured, as the Channel and shoulder elements together preferably can be generated in a single generative manufacturing step.
    Such shoulder elements previously had to be welded, soldered or glued to the outside of the channel, for which hitherto at least one additional manufacturing step was required.
    Advantageously, such shoulder elements can now be generated directly in the production of the channel, whereby the production of the heating channel unit can be further simplified as a whole.
    It is also advantageous if connecting pipe elements for introducing hot air into the channel are at least partially produced by means of an additive manufacturing process, in particular in the 3D printing process. As a result, the channel and connecting pipe elements can preferably be jointly produced in a single generative production step.
    Such connecting pipe elements, which produce a fluidic connection between an air heater and the duct, can be produced directly together with the duct when the present heating duct unit is at least partially produced by means of an additive manufacturing process.
    Even transitions between the duct and the connecting pipe elements can be made more diverse using an additive manufacturing process, so that they can be adapted to individual requirements.
    In this context, it is particularly advantageous if opening transitions between the connecting pipe elements and the channel are configured funnel-shaped, since this advantageous flow conditions for hot air can be created.
    An individualization of the flow conditions in parts of the heating channel unit can be further developed if the
    Channel, the outlets and / or connecting pipe elements each have different cross-sections.
    If the channel has a changing cross section in its course, a hot air flowing through it can be guided more individually and precisely. Similarly, when outlets have a changing cross-section in their course.
    The same applies to connection pipe elements, if at least some of them have a changing cross-section in their course.
    Such different cross sections can be easily generated at the present heating channel unit according to the invention by means of an additive manufacturing process.
    Moreover, it is advantageous if the channel, the outlets, Heißluftleitelemente, connecting pipe elements and / or laterally projecting shoulder elements are at least partially made in one piece.
    The term "integral" in the context of the invention describes a component which is characterized by a homogeneous or monolithic material structure.
    In this respect, this component is produced in one piece, and this component is characterized in particular by the fact that it is free of joints, such as welding, soldering and / or splices.
    If the duct with its outlets, hot-air guide elements, connecting pipe elements and / or laterally projecting shoulder elements-if present-is produced entirely in one piece, the production of the heating duct unit can generally be significantly simplified.
    Such integrally manufactured areas or parts of the heating channel unit are particularly advantageous in that it comes to them with respect to a hot air leading to less flow irritation, so that the Heizkanaleinheit flowing hot air more effectively, ie with less turbulence and thus with lower flow losses led can be.
    The heating channel unit can be structurally further improved if the heating unit is composed of parts. In particular, with regard to assembly work, it may be advantageous if the heating channel unit is composed of at least two parts, which are preferably produced by means of an additive manufacturing process.
    In addition, individual parts of a first heating channel unit can also be used for further heating channel units, so that heating channel units can be modularly assembled according to a component box system. As a result, further cost advantages can be achieved.
    It goes without saying that all parts or functional areas of the heating channel unit described here, such as the channel, outlets, hot air guide elements, shoulder elements and / or connecting pipe elements, can be produced with a high degree of individualization when they are produced in the laser sintering process.
    The object of the invention is also achieved by a Umbuganlage for umbugen a Dekorlagenrandes to a support member, wherein the Umbuganlage is characterized by a Heizkanaleinheit for heating the Dekorlagenrandes according to one of the features described herein.
    If the fold-over unit is equipped with the existing heating channel unit, the entire fold-over unit can be manufactured more easily and cost-effectively.
    In addition, laminated functional components can be produced much more precisely with a decorative layer.
    Depending on the specific embodiment of the invention thus a variety of advantages can be achieved, either individually, in group or all.
    For example, the aerodynamic design and design freedom of the present method are advantageous.
    In particular, the mentioned 3D methods allow radii or cross-sectional changes, which can not or only partially be realized by conventional or subtractive methods, such as milling, turning, drilling or the like.
    Furthermore, in comparison to manual production, in particular higher accuracies can be achieved, since a precise and uniform distance between the channel of the heating channel unit and a carrier component can be ensured. In the prior art, this accuracy is only in the millimeter range.
    Specially used in the context of the invention 3D method also allow a stress-free production of the present channel. In the case of conventional channels made of pipes, stresses in the material are "frozen" as a result of the production, which are released, in particular in conjunction with hot air (eg> 200 ° C.), as a result of which the channel of the heating channel unit can become warped, resulting in an exact distance from the carrier component or the decorative layer usually no longer exist.
    A presently preferably used 3D printer is essentially a machine (called "printer" in an analogy), which builds three-dimensional workpieces in layers.
    The structure is computer-controlled from one or more liquid or solid materials according to predetermined dimensions and shapes (CAD).
    During construction, physical or chemical hardening or melting processes take place. Typical materials for 3D printing are plastics, resins, ceramics and metals.
    In addition, further features, effects and advantages of the present invention are explained with reference to the appended drawing and the following description, in which an example of a heating channel unit produced in the additive manufacturing process is shown and described with regard to its channel.
    In the drawing show:
    FIG. 1 shows schematically a perspective view of a channel of a heating channel unit, which is produced in the additive manufacturing method, of a folding-over installation; and
    FIG. 2 schematically shows a detailed bottom view of a portion of the channel of the heating channel unit shown in FIG.
    The Heizkanaleinheit 1 shown in Figure 1 of a Umbuganlage 2 not shown here for Umbugen an edge of a decorative layer to a support member is according to the illustrations of Figures 1 and 2 with respect to their channel 3 for guiding to an air heater (not shown) heated air or hot air (not explicitly stated here).
    The channel 3 is designed substantially U-shaped and in this case has a shape which is three times bent several times spatially three-dimensionally from a first end 4 of the channel 3 to a second end 5 of the channel 3 in the longitudinal extension 6 of the channel 3, as particularly well according to Representation according to the figure 2 can be seen.
    In this respect, the channel 3 of the heating channel unit 1 already has a somewhat elaborate channel shape.
    This channel 3 thus represents an essential part 7 of the heating channel unit 1.
    As can also be seen well according to the illustration of Figure 2, the heating channel unit 1 at its channel 3 a plurality of outlets 10 (here only exemplarily bezif fert), through which guided in the channel 3 hot air to the outside in the Can flow environment 11 to heat a not shown in detail edge region of a decorative layer, so that this decorative layer on the one hand easier with its edge region on the one hand bent around an edge of a support member and there can cling to the support part accordingly. On the other hand, the inner side of the decorative layer, which is brought into operative contact with the carrier part, melted by the hot air and thus made adhesive, so that the edge region of the decorative layer pressed under a pressure not shown here stamping pressure on the support member and thus permanently and permanently attached become.
    In this respect, introduced into the channel 3 outlets 10 flow holes (not explicitly extra quantified here) of the heating channel unit 1, through which the hot air introduced in the channel 3 can flow accordingly targeted.
    The outlets 10 are arranged with their outlet openings 12 on an outwardly directed broad side 13 of the channel 3.
    The heated to the hot air of the air heater of Umbuganlage 2 is the channel 3 through a plurality of connecting pipe elements 15 (here only exemplified) fed.
    The connecting pipe elements 15 are arranged in this embodiment on a narrow side 16 of the channel 3, wherein the connecting pipe elements 15 merge at opening transitions 17 in the channel 3.
    Here, the air inlet openings, not shown, between the connecting pipe elements 15 and the channel 3 are arranged substantially perpendicular to the outlet openings 12 of the outlets 10.
    Furthermore, the heating channel unit 1 comprises a shoulder element 20, which extends on the outer broad side 13 of the channel 3 in the longitudinal extent 6 of the channel 3 from the first end 4 of the channel 3 to the second end 5 of the channel 3. This shoulder element 20 is designed as a thin elevation 21, and the shoulder element 20 rises - with respect to the longitudinal extension 6 of the channel 3 - radially outwardly beyond the outer side 22 of the channel third
    The shoulder element 20 in this case forms a conclusion of a hot air working area 23 or a stop for the edge of the decorative layer to be bent, an edge area of the decorative layer and the outlet openings 12 of the channel 3 being brought into coincidence for heating this edge area.
    The outlet openings 12 are in this case below the radially projecting shoulder element 20, while the
    Connecting pipe elements 15 are arranged above the radially projecting shoulder element 20.
    The thus constructed channel 3 with its multiply curved course along its longitudinal extension 6, with the plurality of outlets 10, with the connecting pipe elements 15 and with the radially projecting shoulder element 20 are hereby advantageously integrally formed and configured, this complex channel 3 of the heating channel unit 1 means an additive manufacturing process is manufactured or produced.
    More specifically, in this embodiment, the heating channel unit 1 is manufactured by means of a 3D laser sintering method.
    For the purposes of the invention, the term in one piece means that the material structure of at least the components of the heating channel unit 1 described here has a completely homogeneous structure.
    In other words, this means that the heating channel unit 1 shown in Figures 1 and 2 has no joints, which is produced by a welding, soldering and / or adhesive connection.
    Thus, the heating channel unit 1 shown here can be produced in a single manufacturing step, whereby the
    Production of the Umbuganlage 2 overall significantly simplified.
    It goes without saying that the exemplary embodiment explained above is only a first embodiment of the heating channel unit according to the invention. In this respect, the embodiment of the invention is not limited to this first embodiment as a whole. All disclosed in the documents features are claimed as essential to the invention, provided they are new individually or in combination over the prior art.
    权利要求:
    Claims (15)
    [1]
    Claims:
    1. heating channel unit (1) of a Umbuganlage (2) for folding over a Dekorlagenrandes to a support member, with a channel (3) and with a plurality of outlets (10) from this channel (3), characterized in that at least a part (7 ) of the heating channel unit (1) is produced by means of an additive manufacturing process.
    [2]
    Second heating channel unit (1) according to claim 1, characterized in that at least a part (7) of the heating channel unit (1) in the 3D printing process, in particular in the 3D laser sintering method, is made.
    [3]
    3. heating channel unit (1) according to claim 1 or 2, characterized in that at least a part of the channel (3) by means of an additive manufacturing process, in particular in the 3D printing process, is produced.
    [4]
    4. heating channel unit (1) according to one of claims 1 to 3, characterized in that at least part of an outlet (10) by means of an additive manufacturing process, in particular in the 3D printing process, is produced.
    [5]
    5. heating channel unit (1) according to any one of the preceding claims, characterized in that Heißluftleitele-mente for directing hot air at least partially by means of an additive manufacturing process, in particular in the 3D printing process, are prepared.
    [6]
    6. heating channel unit (1) according to any one of the preceding claims, characterized in that of the channel (3) outwardly projecting shoulder elements (20) for limiting a heating space between the channel (3) and the Dekorlagenrand at least partially by means of an additive manufacturing process, in particular in the 3D printing process, are manufactured.
    [7]
    7. heating channel unit (1) according to one of the preceding claims, characterized in that connecting pipe elements (15) for introducing hot air into the channel (2) at least partially by means of an additive manufacturing process, in particular in the 3D printing process, are prepared.
    [8]
    8. heating channel unit (1) according to one of the preceding claims, characterized in that Öffnungsübergän ge (17) between the connecting pipe elements (15) and the channel (3) are funnel-shaped.
    [9]
    9. Heizkanaleinheit (1) according to any one of the preceding claims, characterized in that the channel (3), the outlets (10) and / or connecting pipe elements (15) each have different cross sections, wel che by means of an additive manufacturing process, in particular in the 3D Printing process, are made.
    [10]
    10. Heizkanaleinheit (1) according to any one of the preceding claims, characterized in that the channel (3), the outlets (10), Heißluftleitelemente, connecting pipe elements (15) and / or laterally projecting shoulder elements (20) are at least partially made in one piece.
    [11]
    11. heating channel unit (1) according to one of the preceding claims, characterized in that the heating channel unit (1) is composed of parts.
    [12]
    12. A method for producing a heating channel unit (1) for heating a decor layer edge, in which a channel (3) of the Heizkanaleinheit (1) is adapted to a contour of a provided with a decorative layer support member, characterized in that the channel (2) generative is generated to adjust the channel (2) to the profile of the contour of the support member.
    [13]
    13. The method according to claim 12, characterized in that the channel (2) and arranged therein outlets (10) are generated generatively for the outflow of hot air together.
    [14]
    14. The method according to claim 12 or 13, characterized in that the Heizkanaleinheit is at least partially made from a single record out.
    [15]
    15. Umbuganlage (2) for Umbugen a Dekorlagenrandes to a support member, with a Heizkanaleinheit for heating the Dekorlagenrandes, characterized by a Heizkanaleinheit (1) for heating the Dekorlagenrandes according to one of claims 1 to 11.
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102015004195|2015-04-04|
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