EP2616199B1 - Méthode et procédé d'expansion d'éléments métalliques - Google Patents

Méthode et procédé d'expansion d'éléments métalliques Download PDF

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Publication number
EP2616199B1
EP2616199B1 EP11761011.3A EP11761011A EP2616199B1 EP 2616199 B1 EP2616199 B1 EP 2616199B1 EP 11761011 A EP11761011 A EP 11761011A EP 2616199 B1 EP2616199 B1 EP 2616199B1
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EP
European Patent Office
Prior art keywords
station
longitudinal
metal element
meandering
positioning
Prior art date
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Application number
EP11761011.3A
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German (de)
English (en)
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EP2616199A1 (fr
Inventor
Christof Maisch
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Protektorwerk Florenz Maisch GmbH and Co KG
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Protektorwerk Florenz Maisch GmbH and Co KG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
    • B21D47/04—Making rigid structural elements or units, e.g. honeycomb structures composite sheet metal profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/083—Honeycomb girders; Girders with apertured solid web
    • E04C3/086—Honeycomb girders; Girders with apertured solid web of the castellated type
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0473—U- or C-shaped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5116—Plural diverse manufacturing apparatus including means for metal shaping or assembling forging and bending, cutting or punching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5122—Plural diverse manufacturing apparatus including means for metal shaping or assembling with means to feed work during tool contact

Definitions

  • the present invention relates to an apparatus and method for expanding elongated, longitudinally-moving, strip-shaped metal elements suitable for forming open profile elements, such as upright or plaster profiles, or closed profile elements, such as channels or pipes. Furthermore, the invention is directed to a corresponding method for expanding such metal elements.
  • Such metal elements are, for example, in the non-prepublished German patent application DE 10 2010 026 320 described. These metal elements have two longitudinal sections with meandering longitudinal edges, which are connected in sections with each other to produce without additional cost of materials compared to the original band-shaped metal element widened metal element.
  • the problem is to connect the separate longitudinal sections of the metal element with high feed rate in inline operation with economically justifiable effort.
  • the to be joined, preferably to be welded sections of the longitudinal edges must be placed exactly together to ensure the desired quality of the compounds can. In order to achieve a sufficiently high throughput, this must be ensured even at the usually high speeds, as they occur in inline production (for example, 40 m / min to over 100 m / min).
  • this object is achieved by a device of the type mentioned above with a feed station, a cutting station, a positioning station and a connection station, wherein the feed station is designed for at least substantially continuous feeding at least one metal element to the cutting station, the cutting station for generating at least one continuous is formed in the longitudinal direction of the at least one metal element extending, meandering section through which at least two longitudinal sections of the at least one metal element are generated with meandering longitudinal edges, the positioning station comprises at least one particular circumferential positioning device with a plurality of positioning elements, wherein the positioning elements for engaging in formed in the at least one metal element openings and for positioning of portions of the meandering Lijnssk are formed to each other in predefined positions, and wherein the connection station is designed to connect the mutually positioned sections of the meandering longitudinal edges.
  • the at least one metal element is fed from a feed station at least substantially continuously to a cutting station, in the cutting station at least one continuous, in the longitudinal direction of the at least one metal element extending, meandering cut generated by the at least two longitudinal sections of the at least one metal element Meander-shaped longitudinal edges are produced, the longitudinal sections are guided through a positioning station that engage on a particular rotating positioning positioning provided in the at least one metal element formed openings, so that portions of the meandering longitudinal edges are positioned to each other in predefined positions, and the mutually positioned portions of the meandering longitudinal edges in a connection station connected to each other.
  • the invention thus provides an automatic and exact alignment of the subsections of the meandering longitudinal edges to be joined to one another, so that the longitudinal sections of the metal element can be connected to one another at high speed. This allows the profile elements with high throughput can be produced in an economical manner inline process.
  • an offset station for forming a particular sagging loop of at least one of the longitudinal sections of the metal element is provided between the cutting station and the positioning station, so that the separate longitudinal sections of the at least one metal element in Longitudinal direction and / or in the transverse direction are mutually displaceable. Since the guided metal elements have a relatively high stiffness in the longitudinal and transverse directions, advantageously offset from each other in the longitudinal or transverse direction is carried out with a corresponding offset station.
  • the loop may comprise only one or more longitudinal sections of the metal element or all longitudinal sections, ie the entire metal element.
  • a limp area of the at least one metal element or of the longitudinal section or sections within the production line is produced, which ensures that the longitudinal sections of the at least one metal element can be displaced in the longitudinal direction as well as alternatively in the transverse direction.
  • the respective offset transversely or longitudinally to the transport direction is defined by the desired type of connection of the two longitudinal sections, as will be explained in more detail in the context of this application.
  • the positioning device in each case two adjacent rows of positioning elements are provided in the transport direction.
  • the positioning device it is also possible for the positioning device to comprise only one row of positioning elements lying one behind the other.
  • the positioning elements of the two rows can not be offset from each other in the transport direction or arranged offset from one another be. It is also dependent on the arrangement of the openings, whether a number of successive positioning elements or two juxtaposed in the transport direction rows of positioning elements are provided.
  • the positioning device is designed as a toothed wheel, toothed belt or toothed rack or as a chain or belt conveyor with positioning elements.
  • Other elements suitable for feeding with corresponding positioning elements can also form a positioning device according to the invention.
  • the positioning elements in particular in their base area, have a cross-sectional shape substantially complementary to the openings of the at least one metal element.
  • the positioning elements are designed to engage in openings formed by the meandering longitudinal edges. Such openings can be created by the longitudinal sections are shifted against each other after introduction of the meandering cut in the transverse direction or in the transverse and longitudinal direction.
  • the positioning elements for engaging in independently of the meandering longitudinal edges in the at least one metal element, in particular in its edge regions, provided openings are formed.
  • the positioning device can be designed in this case in the manner of a traction device, for example as a chain conveyor with needle grippers. Due to the fixed distances between the openings provided in the edge regions and the sections of the meandering longitudinal edges intended for welding, an exact positioning of the subsections to be joined together is ensured in this case as well.
  • the feed station comprises a reel on which the at least one metal element is wound up.
  • the feed station may comprise a device for welding together successive metal elements. Thereby, upon complete unwinding of the at least one metal element from the reel, the continuous operation can be maintained by welding a respective further metal element to the end of the preceding metal element.
  • a straightening station for the at least one metal element and the longitudinal sections produced therefrom is provided between the feed station and the cutting station and / or between the cutting station and the positioning station.
  • the positioning device is actively driven. This means that the positioning device acts as a feed device for the at least one metal element.
  • the positioning device is only passively driven and a separate feed device is provided. In this case, only the positioning of the two longitudinal sections to each other is effected by the positioning means, while the actual forward movement of the at least one metal element is achieved by a separate feed device.
  • the positioning station in front of the connection station, in particular in the inlet region of the connection station, i. arranged close to the connection station.
  • the positioning station it is also possible for the positioning station to reach the connection station, in particular in the exit area of the connection station, i. is arranged near the output of the connection station.
  • the connecting station comprises a lateral band guide, by means of which the longitudinal sections of the at least one metal element are positioned against one another and held together in particular, that the subsections of the meandering longitudinal edges to be welded together abut one another, in particular under pressure.
  • a lateral band guide by means of which the longitudinal sections of the at least one metal element are positioned against one another and held together in particular, that the subsections of the meandering longitudinal edges to be welded together abut one another, in particular under pressure.
  • connection station can comprise a vertical band guide, through which the longitudinal sections of the at least one metal element are guided substantially in the same plane or lying flat on one another. This also high quality of the connection and in particular an optimal surface of the metal strip produced can be achieved.
  • the cutting station may comprise a rotary cutting device or a laser cutting device.
  • a Hubschneidmaschine is conceivable if this is designed so that a substantially continuous manufacturing process is made possible.
  • connection station is designed as a welding station, which in particular comprises a laser welding device.
  • a laser welding device very accurate and clean welds can be generated, so that the quality of the profile element produced is very high.
  • a very small area of high heat is generated by a laser welding process directly at the two contacting edges of the longitudinal sections.
  • the molten zone produced in this region by the laser welding process has a significantly smaller transverse extent than a correspondingly melted zone in other fusion welded joints, so that exactly in the middle between the two longitudinal sections an increased strength of the final metal profile is achieved.
  • a feed unit may be provided for the at least one metal element, in particular in the form of a roller guide.
  • an embossing station and / or a forming station for the at least one metal element may also preferably be provided after the connection station, by means of which desired impressions in the form of stiffening beads or deeply drawn regions, in particular in the region of the openings, can be produced and, secondly Cross section of the at least one metal element can be brought into an intermediate shape or in its final shape.
  • the at least one metal element can be formed into a C or U profile or another suitable open or even closed profile.
  • the laser beam is preferably moved during the welding process with the moving at least one metal element, wherein the forward movement of the laser beam is slower than the transport speed of the at least one metal element.
  • the forward movement of the laser beam and hence the welding speed can be substantially half as fast as the transport speed of the at least one metal element.
  • each case after welding of two mutually positioned portions of the meandering longitudinal edges of the laser beam can be positioned in opposite to the transport direction lying portions of the meandering longitudinal edges and these are then welded together.
  • the welding speed is limited during laser welding, this can be compared to the maximum welding speed higher transport speed of the at least one metal element can be achieved.
  • the maximum welding speed is defined only by the relative speed between the laser beam and the at least one metal element.
  • the absolute transport speed of the at least one metal element can thereby be higher than the maximum possible welding speed. Since due to the meandering longitudinal edges no continuous, but only an interrupted welded joint is required, the laser beam can be positioned after generating a partial weld at high speed on the opposite to the direction of transport next to be welded portion. The connection of these next sections can in turn be generated by carrying the laser beam at a reduced speed relative to the transport speed.
  • the cutting station can be supplied with at least two metal elements lying flat against each other, in the cutting station the contiguous metal elements are divided by the meandering cut together into two longitudinal sections each, which lie on the same side of the meandering section Longitudinal portions of the metal elements lie flat against each other and each form longitudinally extending portions of the meandering longitudinal edges of the juxtaposed longitudinal sections directly adjoining connecting edges which are separated by a juxtaposed longitudinal sections of the other juxtaposed longitudinal sections, the connecting edges of a longitudinal section with the connecting edges of him adjacent longitudinal portion connected, in particular welded, and one of the two longitudinal sections relative to the associated with him other longitudinal portion is pivoted about the connecting edges, that the longitudinal sections along bent abutting edges are interconnected and between sections of the meandering longitudinal edges, the openings are formed.
  • a single metal element with the meandering cut is separated into two longitudinal sections, which are then shifted from each other and ultimately connected to each other, but at least two metal elements lying flat against each other are used as the starting material. These are provided lying against each other with a common meander-shaped section, so that each of the metal elements is divided into two longitudinal sections.
  • the at least two adjoining longitudinal sections, ie one longitudinal section each of the one and one longitudinal section of the other metal element (s) along the connecting edges are then joined together and ultimately unfolded into the desired profile element with openings ,
  • the individual processing steps of the two halves separated by the meandering slot can be carried out in parallel in the respective same stations or in separate stations. Basically, several meandering Slots are introduced so that several longitudinal sections are generated.
  • Fig. 1 shows a profile element 1, which is designed as a C-profile.
  • the profile 1 comprises a profile body 2, which has a profile web 3, and two laterally adjoining profile leg 4, which are each angled at right angles to the profile web 3.
  • the free longitudinal edges of the profile legs 4 are each angled in turn by 90 ° to form the C-profile.
  • the profile element 1 can also be designed, for example, as a U-profile, L-profile, T-profile, H-profile, top-hat profile or Z-profile.
  • a plurality of openings 5 is formed, which can serve for example as through holes for cables or other elements to be laid.
  • the openings 5 of the profile element are produced according to the invention without loss of material, as described below with reference to FIG Fig. 2 to 4 is explained in more detail.
  • Fig. 2 shows a metal element 54 in the form of a strip of material 6, for example a sheet metal strip, which serves as a starting material for the profile body 2. While in the Fig. 2 to 4 in each case only a relatively narrow region of the material strip 6 is shown, which ultimately leads to the formation of the profile web 3 is used, at the outer edges 7, 8 each further material areas adjoin, are formed by the corresponding bending example, the profile leg 4.
  • a meandering slot 9 extending in the longitudinal extent of the material strip 6 is formed, through which the material strip 6 and thus the profile body 2 is divided into two separate longitudinal sections 10, 11.
  • the longitudinal sections 10, 11 each receive a meandering longitudinal edge 12, 13, which in the illustration in accordance with Fig. 2 fit seamlessly together.
  • the meandering longitudinal edges 12, 13 each comprise longitudinally extending and perpendicularly extending edge portions.
  • the two longitudinal sections 10, 11 are pulled apart transversely to the longitudinal extent of the strip of material 6 until they are in Fig. 3 occupy the position shown. In this position are in the longitudinal direction of the longitudinal sections 10, 11 extending connecting edges 20, 21 of the connecting portions 14, 15 on a dashed line shown straight line 22, which also extends in the longitudinal direction of the longitudinal sections 10, 11.
  • Fig. 4 are in a next step, the two longitudinal sections 10, 11 according to arrows 25, 26 in the longitudinal direction of the longitudinal sections 10, 11 against each other, until each connecting section 14 a connecting portion 15 is opposite. Accordingly, in each case a connecting edge 20 abuts against a connecting edge 21 in this position, as shown in FIG Fig. 4 is shown.
  • the longitudinal sections 10, 11 along the abutting joint edges 20, 21 are welded together, for example, laser welded, whereby the final shape of the profile web 3 is achieved with the openings 5.
  • stiffening beads 30, 31 which extend on the one hand in the longitudinal direction of the strip of material 6 and the other transverse thereto. By stiffening beads 30, 31 an increased rigidity of the profile element produced is achieved.
  • the embodiment according to Fig. 5 differs from the embodiment according to the Fig. 2 to 4 in that the two longitudinal sections 10, 11 are pulled apart from one another transversely to the longitudinal extension of the strip of material 6 only to the extent that the connecting sections 14, 15 still engage in one another like a comb, as shown in FIG Fig. 5 is shown. In this position, the butting abutting edges of the connecting portions 14, 15 form the connecting edges 20, 21, which are butt welded together.
  • the connecting portions are formed as hexagonal connecting portions 37, 38.
  • the hexagonal connecting portions 37, 38 each include a hexagonal Region 39 and an adjoining trapezoidal region 40, which is respectively connected to the elongated portion 16 and 17, respectively.
  • the connecting edges 20, 21 are formed as obliquely extending edges of the hexagonal regions 39 and extend in particular at a 45 ° angle to the longitudinal extent of the material strip 6.
  • the connecting edges 20, 21 and adjoining edges 41 of the hexagonal regions 39 each close an angle of 90 °, so that corresponding angles ⁇ , ⁇ of the openings 5 are formed as 90 ° angle.
  • the connecting edges 20, 21 abut each other abutting each other and are, analogous to the embodiment according to Fig. 5 , butt welded together, especially laser welded.
  • the two longitudinal sections 10, 11 are welded together abutting portions 50, 51 of the meandering longitudinal edges 12, 13, so that an exact alignment of the two longitudinal sections 10, 11 to each other is required.
  • a device is used for this purpose, as used for example in Fig. 7 schematically illustrated by an embodiment.
  • the device On the input side, the device comprises a feed station 52, which comprises a roll of the elongated band-shaped metal element 54 wound onto a reel 53.
  • the reel 53 is rotatably mounted about an axis of rotation 56 according to an arrow 55, so that the metal element 54 can be unwound from the reel 53 according to an arrow 57.
  • the metal element 54 is fed via guide rollers 58 to a cutting station 59, which is designed as a rotary cutting device 60 with a rotary cutting roller 61 and a counter roller 62.
  • a meander-shaped section 9 is introduced into the elongated metal element 54, as it is for example in the Fig. 2 is shown.
  • the invention is not on the in the Fig. 2 to 6 shown pattern limited, but it can be used any meandering cuts.
  • the DE 10 2010 026 320 referenced in which a variety of suitable patterns are shown.
  • the shape of these patterns and the way in which the longitudinal sections of the metal element formed by the pattern are moved apart and ultimately welded together reference is explicitly made to this document whose contents are explicitly included in the disclosure of the present application.
  • the metal element 54 provided with the meander-shaped section 9 is then guided through a straightening station 63, which comprises a plurality of straightening rollers 64.
  • the straightening station can also comprise other straightening units, such as a press.
  • high-level areas of the metal element 54 which have been bent up, for example during the cutting process in the cutting station 59, are smoothly rolled again, so that the metal element 54 follows Leaving the straightening station 63 has substantially a smooth surface.
  • the metal element 54 After passing through the straightening station 63, the metal element 54 is fed to an offset station 65 in which a sagging loop 66 of the metal element 54 is formed.
  • the sagging loop 66 is formed so long that both a movement apart of the longitudinal sections 10, 11 of the metal element 54 transversely to the transport direction and a mutually sliding in the transport direction is possible without significant stresses on the metal element 54 act.
  • Fig. 7 a corresponding offset in the longitudinal direction by an offset of the two longitudinal sections 10, 11 is shown.
  • the offset station 65 is adjoined by a positioning station 67, which comprises a positioning device 69 embodied as a gear 68.
  • the positioning device 69 comprises positioning elements 71 formed as teeth 70 of the toothed wheel 68, which engage in the openings 5 of the metal element 54, so that the subsections 50, 51 of the meandering longitudinal edges 12, 13 to be welded together are exactly aligned with each other in predefined positions, as shown will be explained in more detail below.
  • a welding station 72 which is designed in particular as a laser welding station.
  • a laser welding head 73 is arranged, which is pivotable according to an arrow 74, so that a laser beam 75 can be pivoted accordingly.
  • the pivoting of the laser beam for example, by a pivoting mirror or a rotating Mirror wheel done, the laser welding head can be arranged fixed.
  • the welding station 72 comprises a vertical band guide 76, through which the longitudinal sections 10, 11 of the metal element 54 are guided in substantially the same plane.
  • the vertical tape guide 76 can accordingly Fig. 4
  • upper and lower tape guides 77, 78 include.
  • any type of guide can be used with which the two flat longitudinal sections 10, 11 of the metal element 54 are held parallel to each other in the same plane.
  • spring-loaded, hydraulic, pneumatic or mechanical guides in the form of rollers, plates, belts or caterpillars can be used.
  • the guides can also serve as a means of transport for the metal element 54 and be formed, for example, as a clamping, magnetic, hydraulic, mechanical, pneumatic transport guide.
  • a feed unit 79 is provided, which may be formed for example by two rollers 80 or other suitable elements.
  • an embossing station and / or a forming station 81 is provided, in which the metal element 54 can receive an intermediate shape or its final cross-sectional shape, for example a C-shape or a U-shape or any other suitable open or closed profile shape.
  • the metal element can also be provided with stiffening beads.
  • positioning elements 71 formed as teeth 70 may extend either over the entire width of the formed as a gear 68 positioning means 69 or only over a part thereof.
  • the positioning elements 71 are formed so that they according to Fig. 11 engage in the openings 5 of the metal element 54, that a clear positional fixation of the longitudinal sections 10, 11 takes place in the longitudinal direction and / or in the transverse direction.
  • Fig. 11 illustrated how the two longitudinal sections 10, 11 opposite to in Fig. 3 shown starting position are arranged offset in the longitudinal direction by half a period of the meandering section 9 and are held in this position by a hatched positioning element 71 of the positioning device 69 in the longitudinal direction immovably against each other.
  • corresponding circumferential shoulders 83 are formed on the positioning device 69 itself, by which a corresponding guidance of the outer edges of the metal element 54 is ensured.
  • Fig. 13 is shown schematically that the positioning device can also be designed as a particular endless belt or chain-shaped positioning device 84.
  • the positioning device can also be designed as a particular endless belt or chain-shaped positioning device 84.
  • FIGS. 14 and 15 show how a profile element according to Fig. 5 can be performed with a positioning device according to the invention.
  • the two longitudinal sections 10, 11 are moved against each other only in the transverse direction, whereby the openings 5 are formed.
  • the openings 5 are arranged alternately offset from each other in this case, as it Fig. 14 can be seen.
  • roller-shaped positioning means 85 In a similar way are in the in Fig. 15 shown roller-shaped positioning means 85, the positioning elements 86 also arranged alternately.
  • the positioning means 85 comprises two longitudinally juxtaposed rows of positioning elements 86, wherein the positioning elements 86 of the two rows are arranged offset in the transport direction against each other.
  • FIGS. 16 and 17 show that the openings used for the alignment of the longitudinal sections 10, 11 need not necessarily be formed by the meandering longitudinal edges 12, 13, but may also be formed as separate openings 87. These openings 87 are formed in particular in the edge regions of the longitudinal sections 10, 11 and can, for example, according to the traction principle, an alignment of the two longitudinal sections 10, 11 against each other. So can the in Fig. 17 Positioning device 88 shown corresponding corresponding arranged in the edge region pins 89 or needles, which are designed to engage in the openings 87.
  • the pins 89 or needles can, as in Fig. 17 represented, be arranged on a cylindrical base body or, for example, accordingly Fig. 13 be provided on a belt or chain conveyor.
  • these two lateral tape guides 90 includes, which in turn are only exemplified as tape guides. Also, the lateral tape guides 90 may be formed again in any other suitable manner, for example by roller guides, plate guides, chain guides or other suitable guide elements.
  • the tape guides can also serve as a means of transport for the metal element 54 and be designed, for example, as a clamping, magnetic, hydraulic, mechanical or pneumatic transport guides in particular with correction possibility.
  • the welding by means of the laser welding head 73 is based on the FIGS. 19 and 20 described in more detail below.
  • Fig. 19 shows first in a schematic perspective view, the two longitudinal sections 10, 11, which are arranged in the welding station 72 so that the to be welded together sections 50, 51 of the meandering longitudinal edges 12, 13 abut each other.
  • the laser welding head 73 is designed such that the laser beam 75 is directed onto the two contiguous partial sections 50, 51 and can be pivoted in accordance with the arrow 74 such that the laser beam 75 is ultimately guided along the abutting partial sections 50, 51.
  • the leadership of the laser beam 75 is carried out as in the Fig. 20a ) to d).
  • Fig. 20 each three successive, to be welded sections 50, 51 by lines 92, 93, 94, which corresponds to the movement of the metal element 54 in the Fig. 20a ) to c) move from left to right.
  • the laser beam 75 impinges on the right end of the sections 50, 51 represented by the line 92.
  • the metal element 54 is moved according to an arrow 95 in the transport direction, at the same time the laser beam 75 is guided according to the arrow 74 in the same direction, but at half speed.
  • the metal element 54 has already covered the path 0.5x, while the laser beam 75 has merely been pivoted such that the spot of weld impinging on the metal element 54 has covered the path 0.25x.
  • the sections 50, 51 welded together along the line 92 in half.
  • the laser beam is rapidly pivoted or positioned directly opposite to the previous tracking direction toward the right end of the next weld to be produced by the line 93, whereupon this weld is produced in the same way.
  • the transport speed of the metal element 54 can be set twice as high as the maximum possible welding speed, so that the throughput for the production of the welded profile element can be significantly increased.
  • Fig. 21 two substantially equal thickness, flat strips of material 6, 6 'are arranged so that they lie flat on each other.
  • a uniform meander-shaped slot 9 was introduced, through which the strips of material 6, 6' in two longitudinal sections 10, 11 and 10 ', 11' are shared.
  • the profile element 1 is not formed by the originally contiguous longitudinal sections 10, 11 and 10 ', 11', but there are two profile elements formed, one of the longitudinal sections 10, 10 'and the other from the longitudinal sections 11th '11' exists.
  • the superimposed longitudinal sections 10, 10 ' are separated from the respective other longitudinal sections 11, 11' in order to form together mutually independent profile elements.
  • FIGS. 22 and 23 is an example of the production of the profile element 1 with the longitudinal sections 11, 11 'shown.
  • the longitudinal sections 11, 11 'are unfolded, as in Fig. 22 is indicated by an arrow 100.
  • the longitudinal portion 11 is pivoted about the connecting edges 97 according to the arrow 100 by approximately 180 ° until it the in Fig. 23 shown position occupies. In this position, the longitudinal sections 11, 11 'lie substantially in a common plane.
  • connection between the bent abutting edges 96 can also be achieved by other types of connection, e.g. Overlap welding, folding, gluing, clinching, riveting or stapling are produced.
  • This also applies to the connection of the sections of the meandering longitudinal edges for all other embodiments described in this application.
  • the pivoting of the longitudinal sections can also take place at a different angle of 180 °, in particular smaller or larger, depending on which shape is to receive the final profile element.
  • the production of the profile element by unfolding was explicitly described only in conjunction with the web-shaped connecting portions 14, 15, however, this production is also possible with the other in the context of this application connection sections as long as the connecting edges to be joined extend in the longitudinal direction of the strip of material.
  • individual elements of the device according to the invention can be synchronized with each other.
  • the positioning device and the respective feed devices, the guide device and the tracking of the laser beam can be synchronized with each other.
  • a detection of the movement of the metal element for example, in an optical, mechanical or electronic manner is provided to implement a corresponding feed control, for example by means of a control loop.
  • profile element testing centers can be provided for checking the quality of the manufactured profile element.
  • These can, for example, by optical or electronic means, the aligned portions of the meandering Check longitudinal edges for minimal misalignment or the generated weld for cleanliness.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Wire Processing (AREA)

Claims (18)

  1. Dispositif réalisé pour l'expansion d'éléments métalliques étirés en longueur (54) en forme de bande, qui se déplacent en direction longitudinale et qui sont appropriés pour former des éléments profilés (1) ouverts, comme par exemple des profilés de montant ou des profilés de ravalement ou pour former des éléments profilés fermés, comme par exemple des canalisations ou des tubes,
    comprenant une station d'amenée (52), une station de coupe (59), une station de positionnement (67), et une station de liaison (72), dans lequel
    la station d'amenée (52) est réalisée pour l'amenée, au moins sensiblement en continu, d'au moins un élément métallique (54) à la station de coupe (59),
    la station de coupe (59) est réalisée pour engendrer au moins une coupe continue (9) en forme de méandre qui s'étend en direction longitudinale dudit au moins un élément métallique (54), coupe au moyen de laquelle au moins deux portions longitudinales (10, 11) dudit au moins un élément métallique (52) sont produites avec des arêtes longitudinales (12, 13) en forme de méandres,
    et dans lequel la station de liaison (72) est réalisée pour la liaison des portions partielles (50, 51), positionnées l'une par rapport à l'autre, des arêtes longitudinales (12, 13) en forme de méandres,
    caractérisé en ce que
    la station de positionnement (67) inclut au moins un moyen de positionnement (69, 84, 85, 88) en particulier en circulation, avec une pluralité d'éléments de positionnement (71, 86), dans lequel les éléments de positionnement (71, 86) sont réalisés pour s'engager dans des ouvertures (5, 87) ménagées dans ledit au moins un élément métallique (54) et pour positionner des portions partielles (50, 51) des arêtes longitudinales (12, 13) en forme de méandres l'une par rapport à l'autre dans des positions prédéfinies.
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    entre la station de coupe (59) et la station de positionnement (67) il est prévu une station de décalage (65) pour réaliser une boucle, en particulier pendante (66), de l'une au moins des portions longitudinales (10, 11) de l'élément métallique (54), de sorte que les portions longitudinales (10, 11), séparées l'une de l'autre, dudit au moins un élément métallique (54) sont susceptibles d'être décalées l'une par rapport à l'autre en direction longitudinale et/ou en direction transversale.
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce qu'il est prévu respectivement deux rangées d'éléments de positionnement (71, 86), disposées les unes à côté des autres en direction de transport.
  4. Dispositif selon la revendication 3,
    caractérisé en ce que
    les éléments de positionnement (71, 86) des deux rangées sont agencés sans décalage mutuel en direction de transport,
    ou en ce que les éléments de positionnement (71, 86) des deux rangées sont agencés en décalage mutuel en direction de transport.
  5. Dispositif selon l'une au moins des revendications précédentes, caractérisé en ce que le moyen de positionnement (69, 84, 85, 88) est réalisé à la manière d'une roue dentée (68), d'une courroie dentée ou d'une crémaillère, ou encore d'un convoyeur à chaîne ou à bande avec des éléments de positionnement (71, 86).
  6. Dispositif selon l'une au moins des revendications précédentes, caractérisé en ce que
    les éléments de positionnement (71, 86) sont réalisés pour s'engager dans des ouvertures (5) ménagées dans les arêtes longitudinales (12, 13) en forme de méandres,
    et/ou en ce que les éléments de positionnement (71, 86) sont réalisés pour s'engager dans des ouvertures (87) prévues indépendamment des arêtes longitudinales (12, 13) en forme de méandres dans ledit au moins un élément métallique (54), en particulier dans ses zones de bordure.
  7. Dispositif selon l'une au moins des revendications précédentes, caractérisé en ce que
    la station d'amenée (52) inclut une bobineuse (53) sur laquelle ledit au moins un élément métallique (54) est embobiné,
    et/ou en ce que la station d'amenée (52) inclut un dispositif pour souder ensemble des éléments métalliques (54) qui se suivent les uns les autres.
  8. Dispositif selon l'une au moins des revendications précédentes, caractérisé en ce qu'il est prévu, entre la station d'amenée (52) et la station de coupe (59) et/ou entre la station de coupe (59) et la station de positionnement (67), une station de dressage (63) pour ledit au moins un élément métallique (54).
  9. Dispositif selon l'une au moins des revendications précédentes, caractérisé en ce que
    la station de positionnement (67) est agencée avant la station de liaison (72), en particulier dans la zone d'entrée de la station de liaison (72), ou en ce que la station de positionnement (67) est agencée après la station de liaison (72), en particulier dans la zone de sortie de la station de liaison (72).
  10. Dispositif selon l'une au moins des revendications précédentes, caractérisé en ce que
    la station de liaison (72) inclut un guidage à bande (90) latéral, au moyen duquel les portions longitudinales (10, 11) dudit au moins un élément métallique (54) sont positionnées et en particulier maintenues ensemble de façon réciproque de telle façon que les portions partielles (50, 51) à souder ensemble des arêtes longitudinales (12, 13) en forme de méandres sont appliquées les unes contre les autres en particulier sous pression,
    et/ou en ce que la station de liaison (72) inclut un guidage à bande (76) vertical, au moyen duquel les portions longitudinales (10, 11) dudit au moins un élément métallique (54) sont guidées sensiblement dans le même plan ou couchées à plat les unes sur les autres.
  11. Dispositif selon l'une au moins des revendications précédentes,
    caractérisé en ce que la station de coupe (59) inclut un dispositif de coupe en rotation (60) ou un dispositif de coupe à laser.
  12. Dispositif selon l'une au moins des revendications précédentes,
    caractérisé en ce qu'une unité d'avance (79) pour l'élément métallique (54), en particulier sous la forme d'un guidage à rouleaux, est prévue à l'intérieur de et/ou avant et/ou après la station de liaison (72).
  13. Procédé pour l'expansion d'éléments métalliques étirés en longueur (54) en forme de bande, qui se déplacent en direction longitudinale et qui sont appropriés pour former des éléments profilés (1) ouverts, comme par exemple des profilés de montant ou des profilés de ravalement ou pour former des éléments profilés fermés, comme par exemple des canalisations ou des tubes, dans lequel au moins un élément métallique (54) est amené par une station d'amenée (52) au moins sensiblement en continu à une station de coupe (59), dans la station de coupe (59) on engendre au moins une coupe continue en forme de méandres (9) qui s'étend en direction longitudinale dudit au moins un élément métallique (54), coupe par laquelle on engendre au moins deux portions longitudinales (10, 11) dudit au moins un élément métallique (54) avec des arêtes longitudinales (12, 13) en forme de méandres,
    et les portions partielles (50, 51), positionnées les unes par rapport aux autres, des arêtes longitudinales (12, 13) en forme de méandres, sont reliées ensemble dans une station de liaison (72),
    caractérisé en ce que
    les portions longitudinales (10, 11) sont guidées par une station de positionnement (67) de telle façon que des éléments de positionnement (71, 86) prévus sur un moyen de positionnement (69, 84, 85, 88), en particulier en circulation, s'engagent dans des ouvertures (5, 87) ménagées dans ledit au moins un élément métallique (54), de telle façon que des portions partielles (50, 51) des arêtes longitudinales (12, 13) en forme de méandres sont positionnées dans des positions prédéfinies les unes par rapport aux autres.
  14. Procédé selon la revendication 13,
    caractérisé en ce que ledit au moins un élément métallique (54) est amené à une station de décalage (65) dans laquelle on forme une boucle (66), en particulier pendante, de l'une au moins des portions longitudinales (10, 11) dudit au moins un élément métallique (54), de sorte que les portions longitudinales (10, 11), séparées les unes des autres, dudit au moins un élément métallique (54) peuvent être décalées les unes par rapport aux autres en direction longitudinale et/ou en direction transversale.
  15. Procédé selon la revendication 13 ou 14,
    caractérisé en ce que les portions partielles (50, 51), positionnées les unes par rapport aux autres, des arêtes longitudinales (12, 13) en forme de méandres, sont soudées ensemble et en particulier soudées ensemble au moyen d'un faisceau laser (75).
  16. Procédé selon la revendication 15,
    caractérisé en ce que, pendant le processus de soudage, le faisceau laser (75) est déplacé conjointement avec ledit au moins un élément métallique (54) en déplacement, de sorte que le mouvement d'avance du faisceau laser (75) est plus lent que la vitesse de transport dudit au moins un élément métallique (54), en particulier en ce que le mouvement d'avance du faisceau laser (75), et avec celui-ci la vitesse de soudage, est sensiblement moitié aussi rapide que la vitesse de transport dudit au moins un élément métallique (54).
  17. Procédé selon la revendication 16,
    caractérisé en ce que, après le soudage de deux portions partielles (50, 51), positionnées l'une par rapport à l'autre, des arêtes longitudinales (12, 13) en forme de méandres, le faisceau laser (75) est respectivement positionné sur des portions partielles (50, 51) situées en sens contraire à la direction de transport, des arêtes longitudinales (12, 13) en forme de méandres et ces dernières sont ensuite soudées les unes aux autres.
  18. Procédé selon l'une au moins des revendications 13 à 17,
    caractérisé en ce que
    au moins deux éléments métallique (54) posés à plat l'un sur l'autre sont amenés à la station de coupe (59),
    en ce que dans la station de coupe (59) les éléments métalliques posés les uns sur les autres sont divisés par la coupe (9) en forme de méandres conjointement respectivement en deux portions longitudinales (10, 10', 11, 11'), de sorte que les portions longitudinales (10, 10', 11, 11'), disposées respectivement sur le même côté de la coupe (9) en forme de méandres, des éléments métalliques (54) sont posées à plat les unes sur les autres, et des portions partielles (50, 51), qui s'étendent respectivement en direction longitudinale, des arêtes longitudinales (12, 13) en forme de méandres des portions longitudinales (10, 10', 11, 11') posées les unes sur les autres forment des arêtes de liaison (97) directement en contact les unes contre les autres,
    en ce que des premières portions longitudinales (10, 10') posées les unes sur les autres sont séparées des secondes portions longitudinales (11, 11') posées les unes sur les autres,
    en ce que les arêtes de liaison (97) d'une première portion longitudinale (10, 11) sont reliées, en particulier soudées, avec les arêtes de liaison (97) de la portion longitudinale (10', 11') en contact avec celle-ci, et
    en ce que l'une des deux portions longitudinales (10, 10', 11, 11') est pivotée par rapport à l'autre portion longitudinale (10, 10', 11, 11') reliée à elle-même autour des arêtes de liaison (97), de telle façon que les portions longitudinales (10, 10', 11, 11') sont reliées les unes aux autres le long d'arêtes de butée (96) cintrées, et les ouvertures (5) sont formées entre des portions des arêtes longitudinales (12, 13) en forme de méandres.
EP11761011.3A 2010-10-01 2011-09-20 Méthode et procédé d'expansion d'éléments métalliques Active EP2616199B1 (fr)

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DE102010047310A DE102010047310A1 (de) 2010-10-01 2010-10-01 Vorrichtung und Verfahren zum Aufweiten von Metallelementen
PCT/EP2011/004685 WO2012041453A1 (fr) 2010-10-01 2011-09-20 Dispositif et procédé permettant d'élargir des éléments métalliques

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JP6483128B2 (ja) * 2013-08-27 2019-03-13 アンドリッツ スーテック アクチエンゲゼルシャフトＡｎｄｒｉｔｚ Ｓｏｕｔｅｃ Ａｇ 金属薄板部材を連続的に搬送しかつ突合わせ溶接する方法および該方法の使用
US20150314348A1 (en) * 2014-05-02 2015-11-05 Cte Sistemi S.R.L. Apparatus for Working Tubes, Bars, Sections and Similar Blanks, Comprising a Plurality of Machines Arranged in Line
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JP2013544649A (ja) 2013-12-19
PL2616199T3 (pl) 2017-01-31
EP2616199A1 (fr) 2013-07-24
DK2616199T3 (en) 2016-11-21
CN103260787A (zh) 2013-08-21
DE102010047310A1 (de) 2012-04-05
CA2813074A1 (fr) 2012-04-05
AU2011307238A1 (en) 2013-04-18
RU2013120021A (ru) 2014-11-20
US9132468B2 (en) 2015-09-15
WO2012041453A1 (fr) 2012-04-05
AR083222A1 (es) 2013-02-06
US20130283592A1 (en) 2013-10-31
TW201221242A (en) 2012-06-01
ES2589002T3 (es) 2016-11-08

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