EP2789406B2 - Bending machine - Google Patents
Bending machine Download PDFInfo
- Publication number
- EP2789406B2 EP2789406B2 EP14001045.5A EP14001045A EP2789406B2 EP 2789406 B2 EP2789406 B2 EP 2789406B2 EP 14001045 A EP14001045 A EP 14001045A EP 2789406 B2 EP2789406 B2 EP 2789406B2
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- EP
- European Patent Office
- Prior art keywords
- bending
- bending machine
- machine according
- mounting mechanism
- push rod
- 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.)
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Classifications
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
- B21D11/12—Bending specially adapted to produce specific articles, e.g. leaf springs the articles being reinforcements for concrete
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
- B21D11/07—Making serpentine-shaped articles by bending essentially in one plane
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
-
- 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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
- B21D11/12—Bending specially adapted to produce specific articles, e.g. leaf springs the articles being reinforcements for concrete
- B21D11/125—Bending wire nets
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/04—Bending rods, profiles, or tubes over a movably-arranged forming menber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/04—Undulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
Definitions
- the present invention relates to a bending machine according to the preamble of claim 1.
- Bending machines which bring steel wire, for example, into a "zigzag" shape with the aid of a bending ram, the ram being movable by two linear drives. At a free end of the bending ram there are bending surfaces which exert pressure against the wire, the wire itself being held by two clamping mechanisms.
- a feed device is also provided so that the working rhythm consists of the steps of feeding the wire, fixing the wire by two clamping mechanisms, bending the wire by the bending ram, releasing the clamping mechanisms, feeding the wire and then clamping the wire again.
- a disadvantage of the prior art bending machines is that the use of two linear drives means that the additional ram itself is subject to high bending loads, which is why it has to be dimensioned relatively large.
- Another disadvantage that arises from two linear drives is that only certain bending angles are possible with one structure. In order, for example, to produce lattice girders with different geometries, such prior art bending machines had to be converted at great expense.
- the DE 44 42 929 A1 discloses a bending machine for bending diagonal bars for lattice girders.
- the bending punch is designed as a hydraulic cylinder. Due to the construction, this is subjected to relatively high bending loads.
- the DE 30 14 282 A1 represents another state of the art.
- the object of the invention is to provide a bending machine that is designed to save on material.
- the ram being supported in a translational and rotational manner by a first bearing device and by a second bearing device, with the first bearing device and the second bearing device being designed to align the ram during the bending process in the direction of a force to be exerted on the wire.
- the bending ram is always aligned in the direction of the force that it is intended to exert on the wire. As a result, it is subjected to less bending stress and can therefore be made smaller.
- Another advantage is the extended applicability. Because of the additional rotational movement, significantly more bending angles can be realized without having to convert the bending machine itself beforehand. As a result, it is then possible that a device for the production of lattice girders, the path machine of which is designed according to the invention, lattice girders of any geometry, as for example in the Austrian patent application A 174/2013 were disclosed can be produced.
- the improvement described which eliminates conversions for different lattice girder geometries, makes it possible to produce lattice girders in a just-in-time process. That said, these lattice girders can be made to order and in small quickly economical quantities are produced. Batch sizes with a quantity of 1 are also possible.
- the machine can thus be integrated into a precast concrete plant, for example, and provide the required lattice girders immediately before the concreting process. With devices for the production of lattice girders, as they are known in the prior art, this is not possible due to the necessary conversion work and larger quantities of the same lattice girders always had to be produced for profitable management, since the conversion costs time and thus productivity.
- the plunger has a fixed length that cannot be changed during operation.
- the design can be simplified as a result, since complex hydraulic cylinders in the ram itself are avoided, for example.
- the first bearing device articulates the ram on an end area of the ram and/or that the second bearing device articulates the ram on an end area of the ram.
- the end areas should not be longer than 20% based on the total length of the ram and of course counted away from one end of the ram so as not to lose the technical effect.
- the simultaneous translational and rotational mounting of the ram can be solved in a particularly simple manner in that the first mounting device comprises a crank mechanism and/or in that the second mounting device comprises a connecting rod.
- a first, preferably rotary, drive for moving the crank mechanism and/or a second, preferably linear, drive for moving the connecting rod can then be provided.
- Protection is also sought for a device for producing lattice girders with a bending machine according to one of claims 1 to 7 and a welding device for welding diagonal chords produced by means of the bending machine with lower chords and an upper chord.
- steel Due to its material properties, steel is the preferred material for the manufacture of lattice girders.
- the bending ram 2 is mounted on the machine frame 10 via a first mounting device 11 and a second mounting device 12 .
- the first bearing device 11 has a crank mechanism 3.
- the second bearing device 12 has a connecting rod 7.
- the wire 1 is fixed by the clamping device 4 and the further clamping device 5 .
- the further clamping mechanism must also be moved by a linear drive, since otherwise the wire would be stretched. It is important here that the clamping mechanism is also moved at exactly the right speed, since compression of the wire 1 is also undesirable.
- FIG 3 is finally shown how the bending is completed by the ram 2.
- the ram 2 can be moved downwards again by the first drive 13 and the second drive 14 , the clamping on the clamping mechanisms 4 , 5 can be released and the wire 1 can be fed by the feed device 9 .
- the bending machine 20 is then ready for a new bending process.
- FIG 4 A perspective view of the bending machine 20 is shown.
- two wires 1 are bent at the same time. This is particularly advantageous in the manufacture of lattice girders, since the bent wires 1 can then be used as diagonal chords 22, and they are required in pairs for a lattice girder.
- both the crank 3 and the connecting rod 7 are designed in a fork design.
- the bending surfaces lie on a bolt that is guided both through the ends of the fork-shaped push rod 7 and through a fork-shaped end of the ram 2 .
- figure 5 shows schematically a device for the production of lattice girders.
- Spools 15 on which suitable wire is wound are delivered. This is unwound by unwinding devices 16 and, in the case of the upper chords 23 and lower chords 21 , fed to a straightening machine 17 .
- the wire that is intended for the diagonal belts 22 is fed to the bending machine 20 .
- the lower chords, the upper chord and the diagonal chords produced in the bending machine 20 are fed together to the welding device 25 in which they are welded to form a lattice girder 24 .
- the lattice girders are then expediently deposited in a storage site 18 .
- figure 6 shows a side view of a lattice girder.
- the most important dimensions of a lattice girder can be seen here.
- the angles ⁇ and ⁇ between the diagonal chord 22 and the lower chord 21 are also important.
- the bending machine according to the invention permits a completely free choice of the parameters T, H, ⁇ and ⁇ . In fact, even obtuse angles for one of the angles ⁇ or ⁇ pose no technical problem.
- Typical values for the height H are 60 mm to 450 mm.
- Typical values for the pitch distances T are 150 mm to 250 mm.
- the ram does not have to be rod-shaped. Any other geometries, in particular one bent into a sickle shape, are conceivable.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
Description
Die vorliegende Erfindung betrifft eine Biegemaschine gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a bending machine according to the preamble of claim 1.
Bekannt sind Biegemaschinen, die mit Hilfe eines Biegestößels beispielsweise Stahldraht in eine "Zick-Zack" Form bringen, wobei der Stößel durch zwei Linearantriebe bewegbar ist. An einem freien Ende des Biegestößels befinden sich Biegeflächen, die gegen den Draht Druck ausüben, wobei der Draht selbst durch zwei Klemmmechanismen gehalten wird. Es ist außerdem eine Vorschubeinrichtung vorgesehen, sodass der Arbeitsrhythmus aus den Schritten Vorschieben des Drahtes, Fixierung des Drahtes durch zwei Klemmmechanismen, Biegen des Drahtes durch den Biegestößel, Lösen der Klemmmechanismen, Vorschub des Drahtes und erneut folgender Klemmung des Drahtes besteht. Dabei ist es natürlich notwendig, dass einer der Klemmmechanismen verfahrbar am Maschinenrahmen angeordnet ist, da sonst der Draht beim Biegen gedehnt würde.Bending machines are known which bring steel wire, for example, into a "zigzag" shape with the aid of a bending ram, the ram being movable by two linear drives. At a free end of the bending ram there are bending surfaces which exert pressure against the wire, the wire itself being held by two clamping mechanisms. A feed device is also provided so that the working rhythm consists of the steps of feeding the wire, fixing the wire by two clamping mechanisms, bending the wire by the bending ram, releasing the clamping mechanisms, feeding the wire and then clamping the wire again. Of course, it is necessary for one of the clamping mechanisms to be movably arranged on the machine frame, since otherwise the wire would be stretched during bending.
Nachteilig an Biegemaschinen des Standes der Technik ist, dass durch die Verwendung von zwei Linearantrieben der Beigestößel selbst stark auf Biegung beansprucht wird, weshalb dieser relativ groß dimensioniert werden muss. Ein weiterer Nachteil, der durch zwei Linearantriebe entsteht, ist, dass mit einem Aufbau nur bestimmte Biegungswinkel möglich sind. Um beispielsweise Gitterträger mit verschiedenen Geometrien zu fertigen, mussten solche Biegemaschinen des Standes der Technik aufwendig umgerüstet werden.A disadvantage of the prior art bending machines is that the use of two linear drives means that the additional ram itself is subject to high bending loads, which is why it has to be dimensioned relatively large. Another disadvantage that arises from two linear drives is that only certain bending angles are possible with one structure. In order, for example, to produce lattice girders with different geometries, such prior art bending machines had to be converted at great expense.
Die
Aufgabe der Erfindung ist es eine Biegemaschine bereitzustellen, die materialsparender konstruiert ist.The object of the invention is to provide a bending machine that is designed to save on material.
Diese Aufgabe wird durch eine Biegemaschine mit den Merkmalen des Anspruchs 1 gelöst.This problem is solved by a bending machine with the features of claim 1.
Dies geschieht indem der Stößel durch eine erste Lagereinrichtung und durch eine zweite Lagereinrichtung translatorisch und rotatorisch bewegbar gelagert ist, wobei die erste Lagerungseinrichtung und die zweite Lagerungseinrichtung dazu ausgebildet sind, den Stößel während des Biegevorgangs in Richtung einer auf den Draht auszuübenden Kraft auszurichten. Mit anderen Worten wird durch die translatorische und rotatorische Lagerung der Biegestößel immer in der Richtung der Kraft, die er auf den Draht ausüben soll, ausgerichtet. Dadurch wird er weniger auf Biegung beansprucht und kann deshalb kleiner dimensioniert werden.This is done by the ram being supported in a translational and rotational manner by a first bearing device and by a second bearing device, with the first bearing device and the second bearing device being designed to align the ram during the bending process in the direction of a force to be exerted on the wire. In other words, due to the translational and rotational mounting, the bending ram is always aligned in the direction of the force that it is intended to exert on the wire. As a result, it is subjected to less bending stress and can therefore be made smaller.
Ein weiterer Vorteil besteht in der erweiterten Anwendbarkeit. Denn durch die zusätzliche rotatorische Bewegung können erheblich mehr Biegungswinkel realisiert werden, ohne die Beigemaschine selbst vorher umbauen zu müssen. Als Resultat ist es dann möglich, dass eine Vorrichtung zur Herstellung von Gitterträgern, deren Wegemaschine erfindungsgemäß ausgeführt ist, Gitterträger beliebiger Geometrie, wie sie beispielsweise in der österreichischen Patentanmeldung
Durch die beschriebene Verbesserung, die Umbauten für verschiedene Gitterträgergeometrien eliminiert, ist es möglich, Gitterträger im Just-in-time-Verfahren herzustellen. Das heißt, diese Gitterträger können schnell auf Bestellung und in kleinen wirtschaftlichen Mengen produziert werden. Auch Losgrößen mit der Stückzahl 1 sind möglich. Die Maschine kann somit beispielsweise in ein Betonfertigteilwerk integriert werden und die jeweiligen erforderlichen Gitterträger unmittelbar vor dem Betoniervorgang bereitstellen. Bei Vorrichtungen zur Herstellung von Gitterträgern, wie sie im Stand der Technik bekannt sind, ist dies aufgrund der erforderlichen Umbauarbeiten nicht möglich und es mussten für ein rentables Wirtschaften stets größere Mengen der gleichen Gitterträger hergestellt werden, da das Umbauen ja Zeit und damit Produktivität kostet.The improvement described, which eliminates conversions for different lattice girder geometries, makes it possible to produce lattice girders in a just-in-time process. That said, these lattice girders can be made to order and in small quickly economical quantities are produced. Batch sizes with a quantity of 1 are also possible. The machine can thus be integrated into a precast concrete plant, for example, and provide the required lattice girders immediately before the concreting process. With devices for the production of lattice girders, as they are known in the prior art, this is not possible due to the necessary conversion work and larger quantities of the same lattice girders always had to be produced for profitable management, since the conversion costs time and thus productivity.
Vorteilhafte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen definiert.Advantageous embodiments of the invention are defined in the dependent claims.
Bevorzugt ist vorgesehen, dass der Stößel eine fixe, im Betrieb unveränderliche Länge aufweist. Die Bauweise kann hierdurch vereinfacht werden, da beispielsweise aufwändige Hydraulikzylinder im Stößel selbst vermieden werden.It is preferably provided that the plunger has a fixed length that cannot be changed during operation. The design can be simplified as a result, since complex hydraulic cylinders in the ram itself are avoided, for example.
Um gleichzeitig Hebelverhältnisse optimal auszunützen und eine Beanspruchung auf Biegung des Stößels zu vermeiden, kann es vorgesehen sein, dass die erste Lagerungseinrichtung den Stößel an einem Endbereich des Stößels anlenkt und/oder dass die zweite Lagerungseinrichtung den Stößel an einem Endbereich des Stößels anlenkt. Die Endbereiche sollten dabei nicht länger als 20 % bezogen auf eine Gesamtlänge des Stößels sein und natürlich von einem Ende des Stößels weggezählt sein, um den technischen Effekt nicht zu verlieren.In order to make optimum use of lever ratios and avoid bending stress on the ram, it can be provided that the first bearing device articulates the ram on an end area of the ram and/or that the second bearing device articulates the ram on an end area of the ram. The end areas should not be longer than 20% based on the total length of the ram and of course counted away from one end of the ram so as not to lose the technical effect.
Besonders einfach kann die gleichzeitige translatorische und rotatorische Lagerung des Stößels gelöst werden, indem die erste Lagerungseinrichtung einen Kurbeltrieb umfasst und/oder in dem die zweite Lagerungseinrichtung eine Schubstange umfasst.The simultaneous translational and rotational mounting of the ram can be solved in a particularly simple manner in that the first mounting device comprises a crank mechanism and/or in that the second mounting device comprises a connecting rod.
Auf diese beiden Bewegungsformen angepasst können dann ein erster vorzugsweise rotatorischer Antrieb zur Bewegung des Kurbeltriebs und/oder ein zweiter vorzugsweise linearer Antrieb zur Bewegung der Schubstange vorgesehen sein.Adapted to these two forms of movement, a first, preferably rotary, drive for moving the crank mechanism and/or a second, preferably linear, drive for moving the connecting rod can then be provided.
Insbesondere bei der Gitterträgerherstellung ist es vorteilhaft, dass genau zwei Biegeflächen zum Biegen genau zweier Drähte vorgesehen sind, da pro Gitterträger ja genau zwei gebogene Drähte, die dann als Diagonalgurte verwendet werden, benötigt werden.Particularly in the case of lattice girder production, it is advantageous that exactly two bending surfaces are provided for bending exactly two wires, since exactly two bent wires, which are then used as diagonal chords, are required per lattice girder.
Schutz wird des weiteren für eine Einrichtung zur Gitterträgerherstellung begehrt mit einer erfindungsgemäßen Biegemaschine nach einem der Ansprüche 1 bis 7 und einer Schweißeinrichtung zum Verschweißen von mittels der Biegemaschine hergestellten Diagonalgurten mit Untergurten und einem Obergurt.Protection is also sought for a device for producing lattice girders with a bending machine according to one of claims 1 to 7 and a welding device for welding diagonal chords produced by means of the bending machine with lower chords and an upper chord.
Aufgrund seiner Materialeigenschaften ist Stahl der bevorzugte Werkstoff für die Gitterträgerherstellung.Due to its material properties, steel is the preferred material for the manufacture of lattice girders.
Weitere Vorteile und Einzelheiten der Erfindung sind anhand der Figuren sowie der dazugehörigen Figurenbeschreibung ersichtlich. Dabei zeigen:
- Fig. 1 bis Fig. 3
- eine Seitenansicht einer vorteilhaften Ausführungsform der erfindungsgemäßen Biegemaschine, wobei die drei Figuren den Ablauf bei einem Biegevorgang verdeutlichen,
- Fig. 4
- eine perspektivische Darstellung einer vorteilhaften Ausführungsform der erfindungsgemäßen Biegemaschine,
- Fig. 5
- eine schematische Darstellung einer vorteilhaften Ausführungsform der erfindungsgemäßen Einrichtung zur Gitterträgerherstellung,
- Fig. 6
- eine Seitenansicht eines Gitterträgers zur Verdeutlichung der verschiedenen Winkel und Maße.
- Figures 1 to 3
- a side view of an advantageous embodiment of the bending machine according to the invention, the three figures illustrating the sequence during a bending process,
- 4
- a perspective view of an advantageous embodiment of the bending machine according to the invention,
- figure 5
- a schematic representation of an advantageous embodiment of the device according to the invention for the production of lattice girders,
- 6
- a side view of a lattice girder to illustrate the different angles and dimensions.
Im Folgenden wird Bezug auf die
Nach dem Vorschub des Drahtes 1 durch die Vorschubeinrichtung 9 wird der Draht 1 durch die Klemmvorrichtung 4 und die weitere Klemmvorrichtung 5 fixiert. Dies ist in
In
In
Die Untergurte, der Obergurt sowie die in der Biegemaschine 20 hergestellten Diagonalgurte werden zusammen der Schweißeinrichtung 25 zugeführt, in der sie zu einem Gitterträger 24 verschweißt werden. Zweckmäßiger Weise werden die Gitterträger dann in einer Lagerstätte 18 abgelegt.The lower chords, the upper chord and the diagonal chords produced in the bending
Claims (12)
- Bending machine having a preferably bar-shaped push rod (2), which has at least one bending surface (6) for bending at least one wire (1) and which is mounted on a machine frame (10) by means of a first mounting mechanism (11) and a second mounting mechanism (12), wherein the push rod (2) is mounted moveable in a translational and a rotational manner through the first mounting mechanism (11) and the second mounting mechanism (12), characterized in that, the first mounting mechanism (11) and the second mounting mechanism (12) are adapted to align the push rod (2) in the direction of a force to be exerted on the wire (2) during the bending process.
- Bending machine according to claim 1, characterized in that the push rod (2) has a fixed length that does not change during operation.
- Bending machine according to claim 1 or 2, characterized in that the first mounting mechanism (11) is hinged to the push rod (2) at an end region of the push rod (2).
- Bending machine according to one of claims 1 to 3, characterized in that the second mounting mechanism (12) is hinged to the push rod (2) at an end region of the push rod (2).
- Bending machine according to one of claims 1 to 4, characterized in that the first mounting mechanism (11) comprises a crank mechanism (3).
- Bending machine according to one of claims 1 to 5, characterized in that the second mounting mechanism (12) comprises a connecting rod (7).
- Bending machine according to claim 5 or 6, characterized in that there is provided a first, preferably rotatory drive (13) for moving the crank mechanism (3) and/or a second, preferably linear drive (14) for moving the connecting rod (7).
- Bending machine according to one of claims 1 to 7, characterized in that a clamping mechanism (4) is secured to the machine frame (10) and in that a further clamping mechanism (5) is provided, which is preferably linearly displaceable relative to the machine frame (10).
- Bending machine according to claim 8, characterized in that a portion of the at least one wire (1) can be releasably secured to each of the clamping mechanism (4) and the further clamping mechanism (5).
- Bending machine according to one of claims 1 to 9, characterized in that a feed device (9) is provided for feeding the at least one wire (1).
- Bending machine according to one of claims 1 to 10, characterized in that precisely two bending surfaces (6) are provided for bending precisely two wires (1).
- Apparatus for producing lattice girders having a bending machine (20) according to one of claims 1 to 11 and a welding machine (25) for welding diagonal wires (22) produced by means of the bending machine (20) to bottom wires (21) and top wires (23).
Priority Applications (1)
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PL14001045T PL2789406T5 (en) | 2013-04-12 | 2014-03-21 | Bending machine |
Applications Claiming Priority (1)
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ATA297/2013A AT514109B1 (en) | 2013-04-12 | 2013-04-12 | bending machine |
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EP2789406A1 EP2789406A1 (en) | 2014-10-15 |
EP2789406B1 EP2789406B1 (en) | 2018-07-04 |
EP2789406B2 true EP2789406B2 (en) | 2022-01-19 |
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EP14001045.5A Active EP2789406B2 (en) | 2013-04-12 | 2014-03-21 | Bending machine |
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AT (1) | AT514109B1 (en) |
PL (1) | PL2789406T5 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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AT514109B1 (en) | 2013-04-12 | 2015-02-15 | Progress Maschinen & Automation Ag | bending machine |
EP3141314A1 (en) * | 2015-09-09 | 2017-03-15 | EVG Entwicklungs- u. Verwertungs- Gesellschaft m.b.H. | Method and device for producing a continuous lattice girder |
DE102016113036A1 (en) * | 2016-07-15 | 2018-01-18 | Mbk Maschinenbau Gmbh | Bending device for bending a wire for a lattice girder welding machine |
IT201700064059A1 (en) * | 2017-06-09 | 2018-12-09 | A L F A Costr Metalmeccaniche S R L | BENDING MACHINE |
CN113231566B (en) * | 2021-04-29 | 2025-03-14 | 北京建筑机械化研究院有限公司 | Clamping mechanism and steel bar bending equipment |
CN113510202B (en) * | 2021-05-11 | 2025-03-14 | 北京建筑机械化研究院有限公司 | Clamping mechanism and steel bar bending equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3014282A1 (en) † | 1980-04-15 | 1981-10-22 | Stahlwerke Peine-Salzgitter Ag, 3150 Peine | Continuous strut loop mfg. equipment - has transversely moving bending tool, radially guided in sectors, working on intermittently fed profiles |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2394339A1 (en) * | 1977-06-14 | 1979-01-12 | Davum | Concrete reinforcing wire bending machine - has wire held by fixed and sliding vices with piston slide related to latter |
DE3312764A1 (en) * | 1983-04-09 | 1984-10-18 | Fr. Xaver Bayer Isolierglasfabrik Kg, 7807 Elzach | METHOD AND DEVICE FOR BENDING SPACER PROFILES FOR INSULATING GLASS PANELS |
DE8616377U1 (en) * | 1986-06-19 | 1987-10-22 | Lenhardt, Karl, 7531 Neuhausen | Device for producing a spacer frame for insulating glass |
AT405031B (en) * | 1993-12-27 | 1999-04-26 | Filzmoser Maschinenbau Ges M B | BENDING MACHINE FOR BENDING DIAGONAL RODS FOR GRID SUPPORT OD. DGL. |
DE19839444C1 (en) * | 1998-08-29 | 2000-01-05 | Bayer Isolierglasfab Kg | Bending metal-coated plastic hollow profile containing drying agent, forming double-glazing spacer frame |
AT410909B (en) * | 2000-05-09 | 2003-08-25 | Lisec Peter | Hollow strip bending process involves supporting hollow strip both internally and externally during bending |
CA2415942C (en) * | 2000-07-12 | 2009-10-06 | Edwards Lifesciences Corporation | Method and apparatus for forming a heart valve wireform |
AT511656B1 (en) * | 2011-06-30 | 2015-01-15 | Progress Maschinen & Automation Ag | METHOD AND DEVICE FOR CONTINUOUS PRODUCTION OF A GRID CARRIER |
AT514109B1 (en) | 2013-04-12 | 2015-02-15 | Progress Maschinen & Automation Ag | bending machine |
-
2013
- 2013-04-12 AT ATA297/2013A patent/AT514109B1/en active
-
2014
- 2014-03-21 EP EP14001045.5A patent/EP2789406B2/en active Active
- 2014-03-21 PL PL14001045T patent/PL2789406T5/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3014282A1 (en) † | 1980-04-15 | 1981-10-22 | Stahlwerke Peine-Salzgitter Ag, 3150 Peine | Continuous strut loop mfg. equipment - has transversely moving bending tool, radially guided in sectors, working on intermittently fed profiles |
Also Published As
Publication number | Publication date |
---|---|
AT514109B1 (en) | 2015-02-15 |
PL2789406T5 (en) | 2022-04-19 |
PL2789406T3 (en) | 2018-11-30 |
EP2789406A1 (en) | 2014-10-15 |
AT514109A1 (en) | 2014-10-15 |
EP2789406B1 (en) | 2018-07-04 |
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