EP2789406B1 - Cintreuse - Google Patents

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Publication number
EP2789406B1
EP2789406B1 EP14001045.5A EP14001045A EP2789406B1 EP 2789406 B1 EP2789406 B1 EP 2789406B1 EP 14001045 A EP14001045 A EP 14001045A EP 2789406 B1 EP2789406 B1 EP 2789406B1
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EP
European Patent Office
Prior art keywords
bending
bending machine
machine according
push rod
mounting mechanism
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.)
Active
Application number
EP14001045.5A
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German (de)
English (en)
Other versions
EP2789406B2 (fr
EP2789406A1 (fr
Inventor
Erich Nussbaumer
Helmut Stofner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Progress Holding AG
Original Assignee
Progress Holding AG
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Filing date
Publication date
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Application filed by Progress Holding AG filed Critical Progress Holding AG
Priority to PL14001045T priority Critical patent/PL2789406T5/pl
Publication of EP2789406A1 publication Critical patent/EP2789406A1/fr
Application granted granted Critical
Publication of EP2789406B1 publication Critical patent/EP2789406B1/fr
Publication of EP2789406B2 publication Critical patent/EP2789406B2/fr
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Classifications

    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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, for example, bring steel wire into a "zig-zag" shape with the aid of a bending ram, wherein the ram can be moved by two linear drives.
  • a free end of the bending ram are bending surfaces which exert pressure against the wire, the wire itself being held by two clamping mechanisms.
  • There is also a feeding device provided so that the work rhythm of the steps advancing the wire, fixation of the wire by two clamping mechanisms, bending the wire through the bending ram, releasing the clamping mechanisms, feed the wire and again following clamping of the wire. It is of course necessary that one of the clamping mechanisms is arranged movable on the machine frame, otherwise the wire would be stretched during bending.
  • a disadvantage of bending machines of the prior art is that the use of two linear drives of the Beigest maneuverel itself is heavily stressed to bending, which is why this must be relatively large dimensions.
  • Another disadvantage that arises from two linear drives, is that with a structure only certain bending angle are possible. To produce, for example, lattice girders with different geometries, such bending machines of the prior art had to be extensively converted.
  • 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 of this is relatively stressed to bending.
  • the object of the invention is to provide a bending machine that is designed to save material.
  • the plunger is mounted translationally and rotationally movable by a first bearing means and by a second bearing means, wherein the plunger during the bending operation by the first bearing means and by the second bearing means in the direction of a force to be exerted on the wire can be aligned.
  • the translational and rotational bearing of the bending ram is always aligned in the direction of the force that he is to exercise on the wire. As a result, it is less subject to bending and can therefore be made smaller.
  • Another advantage is the extended applicability. Because the additional rotational movement significantly more bending angle can be realized without having to rebuild the Beigemaschine itself before. As a result, it is then possible that a device for the production of lattice girders, the road machine is designed according to the invention, lattice girders of any geometry, as described for example in the Austrian patent application A 174/2013 have been disclosed.
  • the described improvement which eliminates conversions for various lattice girder geometries, makes it possible to manufacture lattice girders in a just-in-time process. In other words, these lattice girders can be quickly produced to order and in small economic quantities. Also lot sizes with the quantity 1 are possible.
  • the machine can thus be integrated, for example, in a precast concrete factory and provide the respective required lattice girders immediately before the concreting process. In devices for the production of lattice girders, as they are known in the art, this is not possible due to the required conversion work and it always had for a profitable operations always larger quantities the same lattice girder are produced, since the conversion costs so time and thus productivity.
  • the plunger has a fixed, invariable in operation length.
  • the design can be simplified as a result, since, for example, complex hydraulic cylinders are avoided in the ram itself.
  • the first bearing device articulates the ram at an end region of the ram and / or that the second bearing device articulates the ram at an end region of the ram.
  • the end regions should not be more than 20% of a total length of the plunger and of course be counted from one end of the plunger so as not to lose the technical effect.
  • the simultaneous translational and rotational bearing of the plunger can be achieved in a particularly simple manner by the first bearing device comprising a crank drive and / or in which the second bearing device comprises a push rod.
  • a first preferably rotary drive for moving the crank mechanism and / or a second, preferably linear, drive for moving the push rod can then be provided.
  • Protection is further desired for a device for lattice girder manufacture with a bending machine according to one of claims 1 to 7 and a welding device for welding diagonal belts with bottom straps and a top flange produced by means of the bending machine.
  • steel Due to its material properties, steel is the preferred material for lattice girder production.
  • the bending ram 2 is mounted on the machine frame 10 via a first bearing device 11 and a second bearing device 12.
  • the first storage device 11 has a crank mechanism 3.
  • the second storage device 12 has a push rod 7.
  • FIG. 3 Finally, it is shown how the bending is completed by the plunger 2.
  • the plunger 2 can be moved down again by the first drive 13 and the second drive 14, the clamping on the clamping mechanisms 4, 5 can be released and the feed of the wire 1 can be done by the feed device 9.
  • the bending machine 20 is then ready for a new bending operation.
  • 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 straps 22, being required in pairs in a lattice girder.
  • both the crank 3 and the push rod 7 is executed in a forked construction.
  • the bending surfaces lie on a bolt which is guided both by the ends of the fork-shaped push rod 7 and by a fork-shaped end of the plunger 2.
  • FIG. 5 shows schematically a device for lattice girder production. Supplied are coils 15, on which suitable wire is wound. By unwinding 16 this is unwound and supplied in the case of the upper straps 23 and lower straps 21 of a leveler 17. The wire intended for the diagonal belts 22 is fed to the bending machine 20.
  • the lower chords, the upper chord and the diagonal straps produced in the bending machine 20 are fed together to the welding device 25, in which they are welded to a lattice girder 24.
  • the lattice girders are then stored in a reservoir 18.
  • FIG. 6 shows a side view of a lattice girder.
  • the most important dimensions of a lattice girder can be seen here. These are, on the one hand, the pitch T and the height H of the lattice girder. Also important are the angles ⁇ and ⁇ between the diagonal 22 and the bottom flange 21.
  • the bending machine according to the invention allows - unlike in the prior art - a completely free choice of parameters T, H, ⁇ and ⁇ . In fact, even obtuse angles for one of the angles ⁇ or ⁇ technically pose no problem.
  • Typical values for the height H are 60 mm to 450 mm.
  • Typical values for the pitches T are 150 mm to 250 mm.
  • the plunger does not have to be rod-shaped. Any other geometries, especially one bent into a sickle shape, are conceivable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Claims (12)

  1. Machine de cintrage avec un coulisseau (2) de préférence en forme de tige, lequel dispose de tout au moins une surface de cintrage (6) en vue du cintrage de tout au moins un fil (1), et lequel coulisseau (2) est logé au niveau d'un bâti de machine (10), au moyen d'un premier mécanisme à palier (11) et d'un deuxième mécanisme à palier (12) ;
    selon laquelle le coulisseau (2) est logé de manière à pouvoir être déplacé en translation et en rotation par l'intermédiaire du premier mécanisme à palier (11) et du deuxième mécanisme à palier (12) ;
    caractérisée en ce que le coulisseau (2) peut être aligné dans le sens d'une force devant être exercée sur le fil (2) pendant le processus de cintrage par le premier mécanisme à palier (11) et par le deuxième mécanisme à palier (12).
  2. Machine de cintrage selon la revendication 1, caractérisée en ce que le coulisseau (2) présente une longueur fixe, invariable pendant le fonctionnement.
  3. Machine de cintrage selon la revendication 1 ou 2, caractérisée en ce que le coulisseau (2) est articulé par le premier mécanisme à palier (11) au niveau d'une zone d'extrémité du coulisseau (2).
  4. Machine de cintrage selon l'une des revendications 1 à 3, caractérisée en ce que le coulisseau (2) est articulé par le deuxième mécanisme à palier (12) au niveau d'une zone d'extrémité du coulisseau (2).
  5. Machine de cintrage selon l'une des revendications 1 à 4, caractérisée en ce que le premier mécanisme à palier (11) comprend un mécanisme à manivelle (3).
  6. Machine de cintrage selon l'une des revendications 1 à 5, caractérisée en ce que le deuxième mécanisme à palier (12) comprend une bielle de poussée (7).
  7. Machine de cintrage selon la revendication 5 ou 6, caractérisée en ce qu'un premier entraînement (13), de préférence en rotation, est prévu en vue du déplacement du mécanisme à manivelle (3) et/ou un deuxième entraînement (14), de préférence linéaire, est prévu en vue du déplacement de la bielle de poussée (7).
  8. Machine de cintrage selon l'une des revendications 1 à 7, caractérisée en ce qu'un mécanisme de serrage (4) est fixé au bâti de machine (10) ; et
    caractérisée en ce qu'un autre mécanisme de serrage (5) est prévu, lequel peut, de préférence, être déplacé de manière linéaire par rapport au bâti de machine (10).
  9. Machine de cintrage selon la revendication 8, caractérisée en ce qu'une section du tout au moins un fil (1) peut être fixée de manière amovible, respectivement au niveau du mécanisme de serrage (4) et de l'autre mécanisme de serrage (5).
  10. Machine de cintrage selon l'une des revendications 1 à 9, caractérisée en ce qu'un mécanisme d'avance (9) est prévu en vue de l'avance du tout au moins un fil (1).
  11. Machine de cintrage selon l'une des revendications 1 à 10, caractérisée en ce que, exactement, deux surfaces de cintrage (6) sont prévues en vue du cintrage de deux fils (1), exactement.
  12. Mécanisme destiné à la fabrication de poutres en treillis avec une machine de cintrage (20) selon l'une des revendications 1 à 11 et avec un mécanisme de soudage (25) destiné au soudage de sangles diagonales (22), avec des sangles inférieures (21) et des sangles supérieures (23), lesquelles sont fabriquées au moyen de la machine de cintrage (20).
EP14001045.5A 2013-04-12 2014-03-21 Cintreuse Active EP2789406B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14001045T PL2789406T5 (pl) 2013-04-12 2014-03-21 Maszyna do gięcia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA297/2013A AT514109B1 (de) 2013-04-12 2013-04-12 Biegemaschine

Publications (3)

Publication Number Publication Date
EP2789406A1 EP2789406A1 (fr) 2014-10-15
EP2789406B1 true EP2789406B1 (fr) 2018-07-04
EP2789406B2 EP2789406B2 (fr) 2022-01-19

Family

ID=50433898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14001045.5A Active EP2789406B2 (fr) 2013-04-12 2014-03-21 Cintreuse

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EP (1) EP2789406B2 (fr)
AT (1) AT514109B1 (fr)
PL (1) PL2789406T5 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT514109B1 (de) 2013-04-12 2015-02-15 Progress Maschinen & Automation Ag Biegemaschine
EP3141314A1 (fr) * 2015-09-09 2017-03-15 EVG Entwicklungs- u. Verwertungs- Gesellschaft m.b.H. Procédé et dispositif de fabrication d'une poutre à treillis continue
DE102016113036A1 (de) * 2016-07-15 2018-01-18 Mbk Maschinenbau Gmbh Biegevorrichtung zum Biegen eines Drahts für eine Gitterträgerschweißmaschine
IT201700064059A1 (it) * 2017-06-09 2018-12-09 A L F A Costr Metalmeccaniche S R L Macchina piegatrice

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014282A1 (de) 1980-04-15 1981-10-22 Stahlwerke Peine-Salzgitter Ag, 3150 Peine Vorrichtung zur kontinuierlichen herstellung von zickzackfoermigen strebenschlangenbeliebiger hoehen fuer fachwerktraeger
DE4442929A1 (de) 1993-12-27 1995-06-29 Filzmoser Maschinenbau Ges M B Biegemaschine zum Biegen von Diagonalstäben für Gitterträger o. dgl.
EP2789406A1 (fr) 2013-04-12 2014-10-15 Progress Maschinen & Automation AG Cintreuse

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394339A1 (fr) * 1977-06-14 1979-01-12 Davum Dispositif de pliage en zigzag de fils metalliques
DE3312764A1 (de) * 1983-04-09 1984-10-18 Fr. Xaver Bayer Isolierglasfabrik Kg, 7807 Elzach Verfahren und vorrichtung zum biegen von abstandhalter-profilen fuer isolierglasscheiben
DE8616377U1 (de) * 1986-06-19 1987-10-22 Lenhardt, Karl, 7531 Neuhausen Vorrichtung zum Herstellen eines Abstandhalterrahmens für Isolierglas
DE19839444C1 (de) * 1998-08-29 2000-01-05 Bayer Isolierglasfab Kg Verfahren und Vorrichtung zum Biegen eines Hohlprofiles zur Herstellung eines Abstandhalter-Rahmens für Isolierglasscheiben
AT410909B (de) * 2000-05-09 2003-08-25 Lisec Peter Verfahren und vorrichtung zum biegen von hohlprofilleisten zu abstandhalterrahmen für isolierglasscheiben
WO2002003887A2 (fr) * 2000-07-12 2002-01-17 Edwards Lifesciences Corporation Procede et dispositif permettant de former une armature de valvule cardiaque
AT511656B1 (de) * 2011-06-30 2015-01-15 Progress Maschinen & Automation Ag Verfahren und einrichtung zur kontinuierlichen herstellung eines gitterträgers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014282A1 (de) 1980-04-15 1981-10-22 Stahlwerke Peine-Salzgitter Ag, 3150 Peine Vorrichtung zur kontinuierlichen herstellung von zickzackfoermigen strebenschlangenbeliebiger hoehen fuer fachwerktraeger
DE4442929A1 (de) 1993-12-27 1995-06-29 Filzmoser Maschinenbau Ges M B Biegemaschine zum Biegen von Diagonalstäben für Gitterträger o. dgl.
EP2789406A1 (fr) 2013-04-12 2014-10-15 Progress Maschinen & Automation AG Cintreuse

Also Published As

Publication number Publication date
EP2789406B2 (fr) 2022-01-19
PL2789406T3 (pl) 2018-11-30
AT514109A1 (de) 2014-10-15
EP2789406A1 (fr) 2014-10-15
PL2789406T5 (pl) 2022-04-19
AT514109B1 (de) 2015-02-15

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