EP0565129B1 - Fabrication of a door panel - Google Patents
Fabrication of a door panel Download PDFInfo
- Publication number
- EP0565129B1 EP0565129B1 EP93105959A EP93105959A EP0565129B1 EP 0565129 B1 EP0565129 B1 EP 0565129B1 EP 93105959 A EP93105959 A EP 93105959A EP 93105959 A EP93105959 A EP 93105959A EP 0565129 B1 EP0565129 B1 EP 0565129B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- metal
- width
- metal strips
- longitudinal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7003—Door leaves consisting of several adjacent similar elements, e.g. planks, without outer covering panels
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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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/28—Associations of cutting devices therewith
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7044—Garage doors
Definitions
- the document DE-A-1 953 746 which contains the features of the preamble of independent claim I, discloses the production of sheet metal walls of variable dimension, such as door leaves, in particular one-piece door leaves (tilting gates), container walls or the like, which are guided over head a plurality of sheet metal webs that are continuous in terms of their length and that are composed in terms of their width by folding along the longitudinal edges, two of which are formed in the central width region of the sheet metal walls with the formation of a groove-shaped bead - within which a door leaf lock may be arranged - or three, one of which is centrally located in the central width area of the sheet metal walls , are butt-jointed and, on their long sides facing away from the center of the width, have connections arranged in regions of further groove-shaped beads to each further sheet metal sheet which follows in the width direction in an optically symmetrical manner, so that - usually with the formation of further, at least similarly designed and longitudinal, groove-shaped beads equally spaced within the sheet metal surface itself - there is a
- the invention has for its object to enable the production of sheet metal walls, in particular one-piece overhead door leaves, different width dimensions in the most economical manner possible.
- door leaves are, above all, so-called tilting door leaves, i.e. one-piece door leaves that can be moved overhead, as sheet metal walls, which is basically done by rebated connections and / or spot welding. This also applies to the outer edge connection of such a sheet metal wall to a frame, which in turn is deformed from a sheet metal strip into a hollow profile and can be connected to the door leaf wall with a folded edge region.
- this object is achieved according to the invention in that on both sides of the sheet metal sheets arranged broadly symmetrically and, if appropriate, further sheet sheet sheets which are subsequently provided, such reduced width dimensions are connected, which adjust the totality of the sheet metal sheets in their width composition to the desired Supplement the width dimension of the sheet metal wall to be produced in each case, all sheet metal sheets being removed from a sheet metal coil coil of a predetermined width and the sheet metal sheets on the wide edge being optionally trimmed to the respectively required reduced width dimension parallel to their longitudinal direction.
- the door leaf or sheet metal wall which is of practically any height and above all wide, can be produced in general from a single sheet of sheet metal which has a certain, in particular commercially available or other width which is particularly predestined for the use in question.
- the sheet metal walls or door leaves are first connected in a conventional manner parallel to their longitudinal edges with fold connections known in this connection, whereupon to compensate for the missing remaining width in a play-symmetrical arrangement to the longitudinal center of the sheet metal wall or the door leaf, two each provided on the broad edge and adapted to size narrower sheet widths are connected, which are obtained from the sheet web of the same width or subtracted from the same sheet web coil.
- the wide-edge webs which are generally narrower than the other sheet metal webs located between them, are preferably designed in terms of connection technology in such a way that they are formed by clip-like folds by a type of hooking process, at least with the subsequent, correspondingly shaped longitudinal edges of the adjacent metal webs of customary width and preferably also have it connected to a frame surrounding the sheet metal wall or the door leaf.
- the symmetrical division of the width of the door leaf or the sheet metal wall can be such that a sheet metal sheet forms the central longitudinal region, but in a preferred embodiment, the longitudinal center of the door sheet or the sheet metal wall can be centered through the groove base of a sheet metal sheet connected between two by folds or the like run.
- these are preferably embossed in themselves with longitudinal groove-shaped beads which correspond to those in the transition area between two adjacent sheet metal sheets.
- a particularly material-saving and easy-to-handle production is achieved in that the sheet metal sheets - at least those sheet sheets of uniform size located outside the wide-edge sheet and generally narrow sheet sheets - are limited in at least one of their longitudinal edge areas in the middle of the groove base of the bead transition to the adjacent sheet sheet.
- the sheet metal strip unwound from the coil is fed to a feed straightening machine 3 with a subsequent cross-cutting shear 4, if necessary via a spacing section which allows the formation of a band loop.
- the band loop formation at 2 is necessary when the shears 4 are not running, if one wants to avoid intermittent rotation of the reel 1.
- sheet metal webs - are fed to a transport roller table 5 which has three removal directions, one of which is used for the removal of rejects and the second of which leads to a profile forming machine 6, in which the width of the sheet metal from the Sheet metal strip unchanged normal sheet metal strips are profiled (formation of beads).
- profiled sheet metal webs pass through a transport table 7 to an angle table 8, from which they are fed at a right angle and thus perpendicular to their longitudinal direction to a bending press 10 and then to a separating and folding machine 11 and a punching station 12 by means of feed buttons 9.
- the sheet metal webs which are cut to the desired door leaf height by the cross-cutting shears 4 and are determined in the profile forming machine 6 according to the desired profile, are bent, folded and punched at 12 with regard to any material breakthroughs - e.g. lock receptacle - and punched and passed on to a transport and transfer table 13 and then to an assembly station 14 as far as prefabricated sheet metal wall except for the lateral edge sheet webs.
- a front stop 15 and guillotine shears 16 with scrap disposal 17 are connected to a third exit of the transport roller table 5.
- the desired width of the normal width delivered by the cross-cut shears 4 is branched off and cut in adaptation to the desired sheet metal wall width.
- Relatively narrow side sheet metal strips for example 10 cm wide, may be required to create a 2.10 m wide door leaf (sheet metal wall). Therefore, a corresponding amount of side sheet webs of smaller width can be obtained from a branched sheet metal sheet. In doing so, and also in the sense of a batch-wise creation of side sheet webs, it can be useful to provide a store, for example a paternoster store, behind the guillotine shear 16.
- the side sheet webs obtained in this way which are generally significantly narrower than the normal width sheet metal webs (filler sheets), are moved laterally with the aid of feed tongs, i.e. transported in their longitudinal direction and fed to a notching, separating and feed station 19, from where they are fed to a special profile forming machine 20 for profiling the side sheet webs.
- a corrugation - 26 in FIG. 2 - which fits into the grid dimension of the desired finished sheet metal wall can be made here, but in particular the profiling is provided for connection to the partial sheet metal wall supplied preparatively in the assembly station, as is the case in connection with the following figures will be explained later.
- the side sheet webs preparing for the connection are produced and can now be fed to the assembly station 14 in different ways; In the exemplary embodiment according to FIG. 1, this is done in such a way that the side sheet webs are advanced perpendicularly to their longitudinal direction via a transverse transport table 21 and rotated 180 ° over the other by means of a turning station 22. Accordingly, side sheet conveyors arrive in the assembly station 14 via feed roller conveyors 23 in a suitable connection assignment and are there connected to the sheet metal wall prefabricated from the normally wide sheet metal sheets, so that the complete desired sheet metal wall is present.
- the above work processes are controlled automatically after entering the desired sheet wall height and sheet wall width with regard to the cut and the delivery rhythm.
- FIG. 2 shows a partial cross section which shows two adjacent sheet metal webs with their connection point in the area of a groove simulation 27; the sheets themselves are provided with groove-shaped beads 26, the cross-sectional shape of which corresponds approximately to the groove simulation 27.
- the solid line guide represents a fold connection, as is preferably provided between two normal width middle sheet webs (filler sheets) 24.
- the sheet metal sheet shown on the left is cut approximately in the central groove area and folded over with respect to its folded edge area forming half the groove bottom, as shown in dashed lines and the associated arrow.
- the edge region of the left sheet-metal web 24, which serves for the folding, is, on the other hand, wider, so that the fold shown in FIG. 2 can be produced.
- FIGS. 3 and 4 show other connections which enable two adjacent sheet metal webs to be “hooked in”.
- a suspension loop is formed on a side sheet web 25, the insertion direction of which runs approximately parallel to the sheet metal wall plane, as shown in FIGS. 3 and 4.
- hooking edges 30 are pushed, which are either formed by bent folding edges 28 of the sheet metal webs or by an intermediate sheet metal strip 31, which is integrated in the area of an edge in a fold formation similar to that according to FIG. 2 and with its other edge area the hanging edge 30 for the insertion into the suspension loop 29 forms.
- a bent fold edge area 28 is also shown in dashed lines. This is to indicate that the fold formation is possible both in the right and in the left area of the replica 27.
- Figures 3 and 4 are also mirror-symmetrical depending on the side edge area considered.
- the hanging in, in particular of the side sheet metal webs makes it unnecessary to fold in this area and makes assembly easier, especially in the event that the sheet metal wall is inserted into a frame, as is the case with a door leaf of a tilting door.
- the sheet metal wall, in particular in the area of the side sheet webs can also be fixed by a kind of hanging process on the folded edges of the hollow sheet metal frame projecting towards the sheet metal wall, stabilized if necessary by a spot welding process or similar locking aid.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Punching Or Piercing (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Description
Das Dokument DE-A-1 953 746, das die Merkmale des Oberbegriffs des unabhängigen Patentanspruchs I enthält, offenbart die Herstellung von großflächigeren Blechwandungen variabler Abmessung, wie Torblätter, insbesondere über Kopf bewegbar geführte einstückige Torblätter (Kipptore), Containerwandungen oder dergleichen, die aus mehreren hinsichtlich ihrer Länge durchgehenden und hinsichtlich ihrer Breite durch längsrandseitiges Falzen zusammengesetzten Blechbahnen gebildet werden, von denen zwei im Breitenmittelbereich der Blechwandungen unter Bildung einer nutenförmigen Sicke - innerhalb derer gegebenenfalls ein Torblattschloß angeordnet ist - oder drei, von denen eine mittig im Breitenmittelbereich der Blechwandungen liegt, zusammenstoßend verbunden sind und an ihren der Breitenmitte abgewandten Längsseiten in Bereichen weiterer nutförmiger Sicken angeordnete Verbindungen zu jeweils in Breitenrichtung optisch symmetrisch folgenden weiteren Blechbahnen aufweisen, so daß - in der Regel unter Ausbildung weiterer, zumindest ähnlich ausgestalteter und längsverlaufender, nutenförmiger Sicken gleichbeabstandet innerhalb der Blechbahnenfläche selbst - ein über die Breite der Blechwandung gleichmäßiges Raster längsverlaufend paralleler Sicken gegeben ist, wobei die derart zusammengefügten Blechbahnen regelmäßig von einem Rahmen entsprechend der jeweils verlangten Abmessung der Blechwandung umgeben und mit diesem verbunden sind.The document DE-A-1 953 746, which contains the features of the preamble of independent claim I, discloses the production of sheet metal walls of variable dimension, such as door leaves, in particular one-piece door leaves (tilting gates), container walls or the like, which are guided over head a plurality of sheet metal webs that are continuous in terms of their length and that are composed in terms of their width by folding along the longitudinal edges, two of which are formed in the central width region of the sheet metal walls with the formation of a groove-shaped bead - within which a door leaf lock may be arranged - or three, one of which is centrally located in the central width area of the sheet metal walls , are butt-jointed and, on their long sides facing away from the center of the width, have connections arranged in regions of further groove-shaped beads to each further sheet metal sheet which follows in the width direction in an optically symmetrical manner, so that - usually with the formation of further, at least similarly designed and longitudinal, groove-shaped beads equally spaced within the sheet metal surface itself - there is a uniform grid of longitudinal beads parallel to the width of the sheet metal wall, the sheet metal sheets joined in this way being regularly spaced by a frame corresponding to the required dimension Surround the sheet metal wall and are connected to it.
Es ist grundsätzlich bekannt, Blechbahnen der hier in Rede stehenden Art zu Aus der Druckschrift "Machinery and Production Engineering", Vol. 145, 20. Mai 1987, Seiten 28 bis 32, die die Merkmale des Oberbegriffs des unabhängigen Patentanspruchs II enthält, ist beispielsweise eine Anlage zur Serienherstellung von großflächigeren Blechwandungen variabler Abmessung vorbekannt, die eine Haspel zur Aufnahme und Abwicklung des Blechcoils aufweist. Das von der Haspel abgezogene Blechcoil wird einer der Haspel nachgeordneten Vorschub-Richtmaschine zugeführt, von wo aus es eine Querteilschere erreicht, mit der das Blechcoil in vorbestimmte Abschnitte unterteilt wird. Diese Abschnitte werden mittels eines Transporttisches transportiert, welcher mehrere Transportrichtungen aufweist. Hierdurch können die Abschnitte entweder direkt nach dem Schneiden mit einer Querteilschere einem Stapel oder einer weiteren Schere zugeführt werden, die rechtwinklig zur ersten Querteilschere angeordnet ist.It is generally known to sheet metal webs of the type in question here From the publication "Machinery and Production Engineering", Vol. 145, May 20, 1987,
Der Erfindung liegt die Aufgabe zugrunde, die Herstellung von Blechwandungen, insbesondere einstückigen über Kopf bewegbaren Torblättern ,unterschiedlicher Breitenabmessung in möglichst wirtschaftlicher Weise zu ermöglichen.The invention has for its object to enable the production of sheet metal walls, in particular one-piece overhead door leaves, different width dimensions in the most economical manner possible.
Die Erfindung ist in den unabhängigen Patenansprüchen I und II angegeben. Besondere Ausführungsarten der Erfindung sind in den abhängigen Patentansprüchen angegeben.The invention is specified in independent patent claims I and II. Particular embodiments of the invention are specified in the dependent claims.
Torblättern, das sind hier vor allem sogenannte Kipptorblätter, also über Kopf bewegbare einstückige Torblätter, als Blechwandungen, zusammenzusetzen, was grundsätzlich durch Falzverbindungen und/oder auch Punktschweißen geschieht. Dies betrifft auch die außenrandseitige Verbindung einer solchen Blechwandung mit einem Rahmen, der für sich selbst wiederum aus einem Blechstreifen zu einem Hohlprofil verformt und mit einem gefalzten Randbereich der Torblattwandung zu gerichtet mit dieser verbindbar ist.Here, door leaves are, above all, so-called tilting door leaves, i.e. one-piece door leaves that can be moved overhead, as sheet metal walls, which is basically done by rebated connections and / or spot welding. This also applies to the outer edge connection of such a sheet metal wall to a frame, which in turn is deformed from a sheet metal strip into a hollow profile and can be connected to the door leaf wall with a folded edge region.
Da Blechwandungen der hier in Rede stehenden Art, insbesondere Torblätter, an den jeweiligen Verwendungszweck, bei Torblättern der Verschluß einer entsprechenden Toröffnung im Mauerwerk oder dergleichen, hinsichtlich ihrer Größenabmessung anpassbar sein müssen, ergibt sich das Problem, einerseits möglichst mit vorgegebenen und aus ökonomischer Sicht für eine Vielzahl von Abmessungen geeigneten Blechbahnen zu arbeiten und andererseits je nach individuellem Verwendungszweck Blechwandungen unterschiedlicher Größenordnung annähernd rasterfrei herstellen zu können. Dies betrifft vom Problem her weniger die Blechwandungsabmessung in Längsrichtung der zusammenzusetzenden Blechbahnen gesehen, weil diese annähernd beliebig nach Abzug von einem "Endlos"-Coil auf einfache Weise in unterschiedlicher Länge gewonnen werden können, als vielmehr die Blechwandungsabmessung in ihrer Breitenrichtung gesehen, d.h.. senkrecht zur Längsrichtung der zu der Wandung zusammenzusetzenden Blechbahnen. Dieser Schwierigkeit wurde bislang ausgehend von der Vorstellung von Blechbahnen unterschiedlicher Breite begegnet, die insoweit spezifisch bemessen jeweils in verschiedenen Coils zur Verfügung gestellt und entsprechend gezielt zu der Gesamtbreite des jeweils gewünschten Torblattes bzw. der gewünschten Blechwandung zusammengesetzt werden.Since sheet metal walls of the type in question, in particular door leaves, have to be adaptable to the respective intended use, in the case of door leaves the closure of a corresponding door opening in the masonry or the like with regard to their size dimensions, the problem arises, on the one hand, if possible, with a given and from an economic point of view for to work a variety of dimensions of suitable sheet metal sheets and, on the other hand, to be able to produce sheet metal walls of different sizes almost grid-free, depending on the individual application. This affects the problem less of the sheet metal wall dimension in the longitudinal direction of the sheet metal webs to be assembled, because these can be obtained in almost any length after deduction from an "endless" coil, but rather the sheet metal wall dimension in its width direction, ie. perpendicular to the longitudinal direction of the sheet metal webs to be assembled into the wall. This difficulty has so far been met on the basis of the idea of sheet metal webs of different widths, which, in this respect, are made available in different coils in a specifically dimensioned manner and are accordingly put together to form the total width of the desired door leaf or sheet metal wall.
Ausgehend von einer eingangs genannten Herstellung solcher Blechwandungen bzw. Torblätter wird dieser Aufgabe erfindungsgemäß dadurch gelöst, daß beidseitig der breitmittensymmetrisch angeordneten Blechbahnen und gegebenenfalls weiterer, daran anschließend vorgesehener Blechbahnen solche demgegenüber verminderter Breitenabmessung angeschlossen werden, die die Gesamtheit der Blechbahnen in ihrer Breitenzusammensetzung auf das gewünschte Breitenmaß der jeweils herzustellenden Blechwandung ergänzen, wobei sämtliche Blechbahnen aus einem Blechbahn-Coil vorgegebener Breite entnommen und die breitenrandseitigen Blechbahnen gegebenenfalls auf die jeweils erforderliche verminderte Breitenabmessung parallel zu ihrer Längsrichtung entsprechend beschnitten werden.Starting from a production of such sheet metal walls or door leaves mentioned at the outset, this object is achieved according to the invention in that on both sides of the sheet metal sheets arranged broadly symmetrically and, if appropriate, further sheet sheet sheets which are subsequently provided, such reduced width dimensions are connected, which adjust the totality of the sheet metal sheets in their width composition to the desired Supplement the width dimension of the sheet metal wall to be produced in each case, all sheet metal sheets being removed from a sheet metal coil coil of a predetermined width and the sheet metal sheets on the wide edge being optionally trimmed to the respectively required reduced width dimension parallel to their longitudinal direction.
Aufgrund dieser Anweisung kann die Herstellung eines praktisch beliebig hoch und vor allen Dingen breit bemessenen Torblattes bzw. einer Blechwandung ganz allgemein aus einer einzigen Blechbahn erfolgen, die eine bestimmte, insbesondere handelsübliche oder sonstige für die hier in Rede stehende Verwendung besonders prädistinierte Breite aufweist. Zu diesem Zwecke werden die Blechwandungen bzw. Torblätter zunächst in üblicher Weise parallel angeordnet an ihren Längsrändern mit in diesem Zusammenhang bekannten Falzverbindungen verbunden, worauf zum Ausgleich der fehlenden Restbreite in spielgelsymmetrischer Anordnung zur Längsmitte der Blechwandung bzw. des Torblattes zwei jeweils breitrandseitig vorgesehene und angepasst zugeschnittene schmalere Blechbreiten angeschlossen werden, die aus der Blechbahn gleicher Breite bzw. abgezogen von demselben Blechbahncoil gewonnen sind.On the basis of this instruction, the door leaf or sheet metal wall, which is of practically any height and above all wide, can be produced in general from a single sheet of sheet metal which has a certain, in particular commercially available or other width which is particularly predestined for the use in question. For this purpose, the sheet metal walls or door leaves are first connected in a conventional manner parallel to their longitudinal edges with fold connections known in this connection, whereupon to compensate for the missing remaining width in a play-symmetrical arrangement to the longitudinal center of the sheet metal wall or the door leaf, two each provided on the broad edge and adapted to size narrower sheet widths are connected, which are obtained from the sheet web of the same width or subtracted from the same sheet web coil.
Dabei werden vorzugsweise die breitrandseitigen Bahnen, die in der Regel schmaler als die übrigen zwischen ihnen gelegenen Blechbahnen zugeschnitten sind, verbindungstechnisch derart ausgestaltet, daß sie sich durch klammerartige Falze durch eine Art Einhängvorgang zumindest mit den jeweils anschließenden, entsprechend ausgeformten Längskanten der benachbarten Blechbahnen üblicher Breite und vorzugsweise auch mit einem die Blechwandung bzw. das Torblatt umgebenden Rahmen verbinden lassen.The wide-edge webs, which are generally narrower than the other sheet metal webs located between them, are preferably designed in terms of connection technology in such a way that they are formed by clip-like folds by a type of hooking process, at least with the subsequent, correspondingly shaped longitudinal edges of the adjacent metal webs of customary width and preferably also have it connected to a frame surrounding the sheet metal wall or the door leaf.
Die symmetrische Breitenunterteilung des Torblattes bzw. der Blechwandung kann derart getroffen sein, daß eine Blechbahn den Längsmittelbereich bildet, es kann aber auch in bevorzugter Ausbildung die Längsmitte des Torblattes bzw. der Blechwandung mittig durch den Nutgrund einer zwischen zwei miteinander durch Falzen oder dergleichen verbundenen Blechbahnen verlaufen.The symmetrical division of the width of the door leaf or the sheet metal wall can be such that a sheet metal sheet forms the central longitudinal region, but in a preferred embodiment, the longitudinal center of the door sheet or the sheet metal wall can be centered through the groove base of a sheet metal sheet connected between two by folds or the like run.
Im Sinne eines gefälligen Erscheinungsbildes und insbesondere auch zur Versteifung der einzelnen Blechbahnen sind diese vorzugsweise in sich selbst mit in Längsrichtung verlaufenden nutförmigen Sicken geprägt, die denjenigen im Übergangsbereich zwischen zwei benachbart verlaufenden Blechbahnen entsprechen.In the sense of a pleasing appearance and in particular also for stiffening the individual sheet metal sheets, these are preferably embossed in themselves with longitudinal groove-shaped beads which correspond to those in the transition area between two adjacent sheet metal sheets.
Eine besonders materialsparende und handhabungsgünstige Herstellung wird dadurch erzielt, daß die Blechbahnen - zumindest diejenigen außerhalb der breitrandseitigen und in der Regel schmaler geschnittenen Blechbahnen befindlichen Blechbahnen einheitlicher Abmessung - in wenigstens einem ihrer Längskantenbereiche in der Mitte des Nutgrundes des Sickenüberganges zur Nachbarblechbahn begrenzt sind.A particularly material-saving and easy-to-handle production is achieved in that the sheet metal sheets - at least those sheet sheets of uniform size located outside the wide-edge sheet and generally narrow sheet sheets - are limited in at least one of their longitudinal edge areas in the middle of the groove base of the bead transition to the adjacent sheet sheet.
Weiterbildungen des erfindungsgemäßen Verfahrens und eine Anlage zu dessen Durchführung ergeben sich aus nachgeordneten Ansprüchen, insbesondere in bezug auf die aus der beiliegenden Zeichnung ersichtlichen Ausführungsbeispiele, deren nachfolgende Beschreibung die Erfindung näher erläutert. Es zeigen:
- Figur 1
- eine blockbildartig wiedergegebene Anlage zur Herstellung einer Blechwandung aus Blechbahnen ein und derselben Ausgangsbreite eines Blechbandcoils;
- Figur 2
- einen skizzenhaften Querschnitt durch die Falzverbindung zwischen zwei benachbarten Blechbahnen im Bereich einer nutförmigen Sickennachbildung;
Figuren 3 und 4- Teildarstellungen von Querschnitten ähnlich Figur 2 anderer Verbindungen zwischen Blechbahnen einer Blechwandung, insbesondere zum Anschluß einer Seitenblechbahn an eine normal breite Blechbahn (Füllblech).
- Figure 1
- a system shown in block diagram form for the production of a sheet metal wall from sheet metal sheets of one and the same starting width of a sheet metal coil;
- Figure 2
- a sketchy cross section through the fold connection between two adjacent sheet metal sheets in the region of a groove-shaped bead replica;
- Figures 3 and 4
- Partial representations of cross sections similar to Figure 2 of other connections between sheet metal sheets of a sheet metal wall, in particular for connecting a side sheet sheet to a normal width sheet sheet (filler sheet).
Die beispielhafte Anlage gemäß Figur 1 geht in Richtung des Materialflusses gesehen von einer Haspel 1 aus, auf die drehbar ein Coil einer Blechbahn von bspw. 1 m Breite drehbar aufgebracht ist. Das von dem Coil abgewickelte Blechband wird - ggfs. über eine eine Bandschlaufenbildung zulassende Abstandsstrecke einer Vorschub-Richtmaschine 3 mit anschließender Querteilschere 4 zugeführt. Die Bandschlaufenbildung bei 2 ist erforderlich bei nicht mitlaufender Schere 4, wenn man eine intermetierende Drehung der Haspel 1 vermeiden will.The exemplary system according to FIG. 1, viewed in the direction of the material flow, starts from a reel 1, to which a coil of a sheet metal web, for example 1 m wide, is rotatably mounted. The sheet metal strip unwound from the coil is fed to a
Die von der Querteilschere 4 herrührenden Abschnitte des Blechbandes - im folgenden Blechbahnen genannt - werden einem Transportrollentisch 5 zugeführt, der drei Abtransportrichtungen aufweist, deren eine der Abführung von Ausschuß dient und deren zweite zu einer Profilformmaschine 6 führt, in der die hinsichtlich ihrer Breite aus dem Blechband unveränderten normalen Blechbahnen profiliert werden (Sickenbildung). Diese profilierten Blechbahnen gelangen über einen Transporttisch 7 auf einen Winkeltisch 8, von dem aus sie mittels Vorschubtastern 9 rechtwinklig und damit senkrecht zu ihrer Längsrichtung einer Biegepresse 10 und daran anschließend einer Trenn- und Falzmaschine 11 sowie einer Stanzstation 12 zugeführt werden. In diesen Stationen werden die Blechbahnen, die durch die Querteilschere 4 auf die gewünschte Torblatthöhe abgestimmt zugeschnitten und in der Profilformmaschine 6 nach der gewünschten Profilierung bestimmt sind, hinsichtlich ihrer Verfalzung gebogen, gefalzt und bei 12 hinsichtlich evtl. Materialdurchbrüche - bspw. Schloßaufnahme - gestanzt und an einen Transport- und Übergabetisch 13 und anschließend eine Montagestation 14 als insoweit bis auf die seitlichen Randblechbahnen vorgefertigte Blechwandung weitergegeben.The sections of the sheet metal strip originating from the cross-cutting shears 4 - hereinafter referred to as sheet metal webs - are fed to a transport roller table 5 which has three removal directions, one of which is used for the removal of rejects and the second of which leads to a
An einen dritten Ausgang des Transportrollentisches 5 ist ein Vorderanschlag 15 und eine Tafelschere 16 mit Schrottentsorgung 17 angeschlossen. Hier werden in Anpassung an den Fertigungsablauf der Blechwandungen jeweils gewünschter Breite von der Querteilschere 4 angelieferte Blechbahnen normaler Breite abgezweigt und in Anpassung an die gewünschte Blechwandungsbreite geschnitten. Dabei können verhältnismäßig schmale Seitenblechbänder von bspw. 10 cm Breite erforderlich sein, um ein 2,10 m breites Torblatt (Blechwandung) zu schaffen. Deshalb können aus einer abgezweigten Blechbahn eine entsprechende Menge von Seitenblechbahnen geringerer Breite gewonnen werden. Dabei und auch im Sinne einer chargenmäßigen Erstellung von Seitenblechbahnen kann es sinnvoll sein, hinter der Tafelschere 16 einen Speicher, bspw. Paternosterspeicher, vorzusehen.A
Von der Blechschere 16 aus werden die derart gewonnenen - in der Regel deutlich schmaler als die normal breiten Blechbahnen (Füllbleche) bemessenen Seitenblechbahnen mit Hilfe einer Vorschubzange seitlich, d.h. in ihrer Längsrichtung abtransportiert und einer Ausklink-, Trenn- und Vorschubstation 19 zugeführt, von wo aus sie einer speziellen Profilformmaschine 20 für die Profilierung der Seitenblechbahnen zugeführt werden. Je nach Breite kann hier eine in das Rastermaß der gewünschten fertigen Blechwandung passende Sickung - 26 in Figur 2 - vorgenommen werden, insbesondere aber wird die Profilierung für den Anschluß an die in der Montagestation vorbereitend angelieferte Teilblechwandung vorgesehen, wie dies im Zusammenhang mit den nachfolgenden Figuren noch erläutert wird.From the
Am Ausgang der speziellen Profilformmaschine 20 fallen die für die Verbindung vorbereitenden Seitenblechbahnen an und können nun der Montagestation 14 auf unterschiedliche Weise zugeführt werden; im Ausführungsbeispiel nach Figur 1 geschieht dies derart, daß über einen Quertransporttisch 21 die Seitenblechbahnen senkrecht zu ihrer Längsrichtung vorgeschoben und ein über das andere mal mit Hilfe einer Wendestation 22 um 180° gedreht werden. Es gelangen demnach über Zuführrollengänge 23 jeweils in passender Anschluß-Zuordnung Seitenblechbahnen in die Montagestation 14 und werden dort an die aus den normal breiten Blechbahnen vorgefertigte Blechwandung angeschlossen, so daß die vollständige gewünschte Blechwandung vorliegt.At the exit of the special
Die vorstehenden Arbeitsabläufe werden nach Eingabe der gewünschten Blechwandhöhe und Blechwandbreite hinsichtlich der Schnittführung und des Anlieferungsrhythmus selbsttätig gesteuert.The above work processes are controlled automatically after entering the desired sheet wall height and sheet wall width with regard to the cut and the delivery rhythm.
In Figur 2 ist ein Teilquerschnitt wiedergegeben, der zwei benachbarte Blechbahnen mit ihrer Verbindungsstelle im Bereich einer Nutnachbildung 27 wiedergibt; die Bleche selbst sind mit nutförmigen Sicken 26 versehen, deren Querschnittsverlauf etwa der Nutnachbildung 27 entspricht. Die durchgezogene Strichführung gibt eine Falzverbindung wieder, wie sie vorzugsweise zwischen zwei normal breiten Mittelblechbahnen (Füllbleche) 24 vorgesehen ist. Zur Herstellung dieser Verbindung ist die links wiedergegebene Blechbahn etwa im Nutmittelbereich geschnitten und hinsichtlich ihres den halben Nutboden bildenden Falzrandbereiches umgeklappt, wie dies in gestrichelten Linien und dem zugehörigen Pfeil wiedergegeben ist. Der der Falzung dienende Randbereich der linken Blechbahn 24 ist demgegenüber breiter ausgebildet, so daß sich der aus Figur 2 ersichtliche Falz herstellen läßt.FIG. 2 shows a partial cross section which shows two adjacent sheet metal webs with their connection point in the area of a
Ein solcher Falz ist grundsätzlich zwischen allen Blechbahnen, auch den Seitenblechbahnen mit der jeweils benachbarten normal breiten Blechbahn möglich.Such a fold is fundamentally possible between all sheet metal sheets, including the side sheet metal sheets, with the adjacent, normal-wide sheet metal sheet.
In den Figuren 3 und 4 sind andere Verbindungen aufgezeigt, die ein "Einhängen" zweier benachbarter Blechbahnen ermöglichen. Vorzugsweise wird dabei an einer Seitenblechbahn 25 eine Einhängeschlaufe gebildet, deren Einschiebrichtung etwa parallel zur Blechwandebene verläuft, wie dies die Figuren 3 und 4 darstellen. In die Einhängeschlaufen 29 werden Einhängeränder 30 geschoben, die entweder durch abgebogene Falzränder 28 der Blechbahnen oder aber durch einen Zwischenblechstreifen 31 gebildet sind, der im Bereich eines Randes in einer Falzbildung ähnlich derjenigen gemäß Figur 2 eingebunden ist und mit seinem anderen Randbereich den Einhängerand 30 für das Einschieben in die Einhängeschlaufe 29 bildet.FIGS. 3 and 4 show other connections which enable two adjacent sheet metal webs to be “hooked in”. Preferably, a suspension loop is formed on a
Im rechten Bereich der Nutnachbildung 27 in Figur 2 ist ebenfalls ein abgebogener Falzrandbereich 28 gestrichelt wiedergegeben. Dies soll andeuten, daß die Falzbildung sowohl im rechten als auch im linken Bereich der Nachbildung 27 möglich ist. Auch die Figuren 3 und 4 sind je nach betrachtetem Seitenrandbereich spiegelsymmetrisch ausführbar.In the right area of the
Auf die vorgeschilderte Weise ist es möglich, eine Blechwandung wählbarer Höhe und wählbarer Breite aus ein und demselben Blechbandcoil bestimmter Breite herzustellen, und zwar mit Hilfe der Anlage gemäß Figur 1 in einer zumindest weitgehenden automatischen Anpassung an die jeweils vorgegebenen Maße und Stückzahlen.In the manner described, it is possible to produce a sheet metal wall of a selectable height and width from one and the same sheet metal coil coil of a certain width, with the aid of the system according to FIG. 1 in an at least largely automatic adaptation to the respectively specified dimensions and quantities.
Das Einhängen insbesondere der Seitenblechbahnen erübrigt eine Verfalzung in diesem Bereich und erleichtert die Montage, zumal für den Fall, daß die Blechwandung in einen Rahmen eingesetzt wird, wie dies bei einem Torblatt eines Kipptores der Fall ist. Dabei kann die Blechwandung, insbesondere im Bereich der Seitenblechbahnen, ebenfalls durch eine Art Einhängevorgang an den zur Blechwandung hin vorstehenden Falzrändern des Hohlblech-Rahmens festgelegt werden, ggfs. stabilisiert durch einen Punktschweißvorgang oder dergleichen Arretierungshilfe.The hanging in, in particular of the side sheet metal webs, makes it unnecessary to fold in this area and makes assembly easier, especially in the event that the sheet metal wall is inserted into a frame, as is the case with a door leaf of a tilting door. The sheet metal wall, in particular in the area of the side sheet webs, can also be fixed by a kind of hanging process on the folded edges of the hollow sheet metal frame projecting towards the sheet metal wall, stabilized if necessary by a spot welding process or similar locking aid.
Claims (13)
- A process for the serial manufacture of large metal-sheet walls of variable dimensions such as doorleafs, more particularly single-piece doorleafs (tilting doors) guided so as to be movable overhead, container walls or the like, which are formed from a plurality of sheet-metal strips continuous with regard to their length and assembled, with regard to their width, by their longitudinal edges being folded, two of which sheet-metal strips are abuttingly connected in the centre region of the width of the sheet-metal walls, while forming a groove-like crease within which a doorleaf lock may be arranged, or three of which sheet-metal strips, one of which is positioned centrally in the width centre region (24) of the sheet-metal walls, are abuttingly connected, while forming groove-like creases (27), and have on their longitudinal faces remote from the width centre, within regions of further groove-like creases (26), connections with further sheet-metal strips (24, 25) provided visually symmetrically in succession in the direction of the width, so that, while forming further longitudinally extending, groove-like creases (27) of an at least similar construction and equal spacing within the sheet-metal strips, themselves, a uniform pattern of longitudinally extending parallel creases (26) is produced over the width of the sheet-metal wall, the sheet-metal walls (24, 25) thus joined being surrounded by a frame adapted to the correspondingly required dimensions of the sheet-metal wall and being connected thereto, characterised in that to either side of the sheet-metal strips (24) arranged symmetrically in the width centre and to further successive sheet-metal strips (25), strips smaller in width than the above are connected in mirror symmetry, relative to the longitudinal centre of the sheet-metal wall, which, together with the combined width of all the sheet-metal strips (24, 25), make up the desired horizontal dimension of the sheet-metal wall to be produced, all the strips (24, 25) being taken from a sheet-metal coil of a specified width and the lateral edge of the sheet-metal strips (24, 25) being cut to the correspondingly required reduced width parallel to the longitudinal direction of said strips.
- A process according to claim 1, characterised in that the sheet-metal strips (24, 25) forming the wall between the lateral edge of the strips (24, 25) are of an at least largely uniform construction and, while uniformly adjoining one another in the direction of the width and being folded into one another, form the larger part of the sheet-metal wall, longitudinal edge regions being formed on the sheet-metal wall, in mirror symmetry to the width centre line of the wall, for connecting, on either side, the lateral edges of the sheet-metal strips (24, 25), to which longitudinal edge regions the two correspondingly formed lateral edges of the sheet-metal strips (24, 25) are connected in an arrangement which is in mirror symmetry to the width centre line of the sheet-metal walls.
- A process according to claim 1 or 2, characterised in that one of the two longitudinal edges of the sheet-metal strips is constructed so as to terminate in the longitudinal centre region of a groove-like crease (26).
- A process according to one of claims 1 to 3, characterised in that one of the two longitudinal edges of the sheet-metal strip is constructed so as to project laterally from the longitudinal centre region of a groove-like crease (26), beyond the groove bottom thereof.
- A process according to one of claims 1 to 4, characterised in that one longitudinal edge of the sheet-metal strip constructed so as to end in the longitudinal centre region of a groove-like crease (27) is bent in the direction of the back of the adjacent groove side wall of said crease (27) and, while forming a fold, is embraced by a marginal region of the longitudinal edge of an adjacent strip (24), which projects laterally beyond the groove bottom, said marginal region being correspondingly bent and folded.
- A process according to one of claims 1 to 4, characterised in that a longitudinal edge of a sheet-metal strip constructed so as to end in the longitudinal centre region of a groove-like crease (27) is formed so as to be bent over through about 180° parallel to the wall of the associated lateral face of the sheet-metal strip, and, while forming a clip connection (single fold), which may be slid in the lateral direction, is embraced by a correspondingly turned up and over marginal region of the longitudinal edge of an the adjacent sheet-metal strip (24), said longitudinal edge projecting laterally beyond the groove bottom.
- A process according to one of claims 1 to 6, characterised in that, for connecting the lateral edge of a sheet-metal strip to an adjacent strip (25), when viewed in the direction of the centre of the width of the sheet-metal wall, an intermediate strip (31) is arranged which provides, on the one hand, a part of the interlocking connection (especially two-fold) produced between the sheet-metal strips (24, 25) forming the largest part of the sheet-metal wall, and provides, on the other hand, a connection with the lateral edge of the sheet-metal strip, more particularly a part of the clip.
- A process according to one of claims 1 to 7, characterised in that clip-like deflections are formed on the longitudinal edges of the lateral boundary of the sheet-metal strips (25), facing the frame side transoms, so that the deflections may be slid onto crosspieces, more particularly in the form of single folds, provided on the frame transoms, and projecting in the doorleaf frame.
- A process according to one of claims 1 to 8, characterised in that each of the lateral edges of the sheet-metal strip (24, 25) have, on both of their longitudinal edges, edge regions bent up and over which, by being slid onto longitudinal edges, correspondingly provided on these lateral edges of the sheet-metal strips (24, 25) so as to be associated with the sheet-metal strips (24, 25) and project from the frame, are connected with said longitudinal edges.
- A process according to one of claims 1 to 9, characterised in that the transoms are in the form of hollow sections made of sheet-metal strips whose longitudinal edges are joined in the direction of the sheet-metal strips (24, 25) and are interconnected through a single fold.
- A plant for carrying out the process according to one of claims 1 to 10,comprising a reel (1) for receiving and unwinding the sheet-metal coil, a feed-directing machine (3) connected downstream to said reel, adjoining transverse shears (4) and a successive transport table characterised byat least three transport directions for the transport table (5),a profiling machine (6) for sheet-metal strips (24) of normal width, connected to one of the outputs of the transport table (5),an angle transport table (8) with feed device (9),an adjoining bending press (10),a successive separating and folding machine (11),a downstream stamping station (12),a downstream transport and transfer table (13) and an assembly station (14),a front stop (15) connected to another output of the transport table (5), including downstream sheet shears (16) for the boundary edge of sheet-metal strips (25),adjoining feed tongs (18) and a successive separating or stamping station (19),a downstream special profiling machine (20) for the boundary edges of the sheet-metal strips (25) anda transport device (21 to 23) for the delivery of the sheet-metal strips (25) with boundary edges to the assembly station (14).
- A plant according to claim 11, characterised in that a storage device is associated with the table shears (16) and/or the special profiling machine (20) for the boundary edges of the sheet-metal strips (25).
- A plant according to claim 11 or 12, characterised in that the transport device for the sheet-metal strips (25) with boundary edges comprises a turning station (22).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4212128 | 1992-04-10 | ||
| DE4212128 | 1992-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0565129A1 EP0565129A1 (en) | 1993-10-13 |
| EP0565129B1 true EP0565129B1 (en) | 1996-09-25 |
Family
ID=6456581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93105959A Expired - Lifetime EP0565129B1 (en) | 1992-04-10 | 1993-04-13 | Fabrication of a door panel |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0565129B1 (en) |
| AT (1) | ATE143297T1 (en) |
| DE (1) | DE59303923D1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526050B (en) * | 2014-11-25 | 2016-12-14 | 珠海格力电器股份有限公司 | cutting system and application method thereof |
| CN113828688B (en) * | 2021-08-13 | 2024-06-21 | 四川和乐门业有限公司 | Sheet metal conveying line suitable for door leaf production and door leaf production process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1953746A1 (en) * | 1969-10-24 | 1971-04-29 | Waldner Fa Felix | Sealing and lubricating air hardened mastic cartridges - with silicone oil |
| DE3925963C1 (en) * | 1989-08-05 | 1990-12-13 | Reinhardt Maschinenbau Gmbh, 7032 Sindelfingen, De | Galvanised sheet panels for thin wall ducting - are formed from identical lengths cut from strip and then joined into new strip from which panels are cut |
-
1993
- 1993-04-13 EP EP93105959A patent/EP0565129B1/en not_active Expired - Lifetime
- 1993-04-13 DE DE59303923T patent/DE59303923D1/en not_active Expired - Lifetime
- 1993-04-13 AT AT93105959T patent/ATE143297T1/en active
Non-Patent Citations (1)
| Title |
|---|
| FERTIGUNGSTECHNIK UND BETRIEB : BERLIN ; VOL.39 (1989) ; Seiten 604-606. * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0565129A1 (en) | 1993-10-13 |
| ATE143297T1 (en) | 1996-10-15 |
| DE59303923D1 (en) | 1996-10-31 |
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