EP1925377A1 - Machine à cintrer pour réaliser des cages d'armature pour béton armé - Google Patents

Machine à cintrer pour réaliser des cages d'armature pour béton armé Download PDF

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Publication number
EP1925377A1
EP1925377A1 EP06124521A EP06124521A EP1925377A1 EP 1925377 A1 EP1925377 A1 EP 1925377A1 EP 06124521 A EP06124521 A EP 06124521A EP 06124521 A EP06124521 A EP 06124521A EP 1925377 A1 EP1925377 A1 EP 1925377A1
Authority
EP
European Patent Office
Prior art keywords
bending
bars
reticulated
cages
machine
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.)
Granted
Application number
EP06124521A
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German (de)
English (en)
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EP1925377B1 (fr
Inventor
Claudio Bernardinis
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.)
AWM SpA
Original Assignee
AWM SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AWM SpA filed Critical AWM SpA
Priority to AT06124521T priority Critical patent/ATE451981T1/de
Priority to DE502006005682T priority patent/DE502006005682D1/de
Priority to EP06124521A priority patent/EP1925377B1/fr
Priority to ES06124521T priority patent/ES2336594T3/es
Publication of EP1925377A1 publication Critical patent/EP1925377A1/fr
Application granted granted Critical
Publication of EP1925377B1 publication Critical patent/EP1925377B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B21F27/121—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars
    • B21F27/127—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by bending preformed mesh
    • 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

Definitions

  • the present invention relates to an automatic bending machine or machine for self-arching complex cages obtained from electro-welded wire meshes which alternately have a slightly inclined line of curvature on the orthogonal line with respect to the feed axis of the mesh itself, as well as equivalent technical solutions ,
  • the invention finds in the automatic series production of the so-called cylindrical, prismatic or frustoconical cages, which are used in the field of civil engineering as reinforcement for reinforcing the concrete structures, and / or the elements of various three-dimensional geometric shapes, by successive bent on itself bends prefabricated electro-welded wire mesh to be produced, application.
  • the invention is applicable to the various technical solutions set forth in the present specification for the automated equipment for the manufacture of complex cages and / or three-dimensional structures produced by programmed bends of electro-welded wire meshes to the desired dimensions.
  • electro-welded wire mesh is used for the production of reticulated metal cages and / or structures, which are applicable in the field of civil engineering. They produce many elements with the most diverse geometric three-dimensional designs such as cylinders, prisms, truncated cone, truncated pyramid. Furthermore, the prefabricated electro-welded wire meshes are known, which are flat and have a rectangular shape or wound on a roll or endless type, especially as they are produced in such a way and apply directly to the production of cages on suitable automated line systems application.
  • the cages are formed with multiple inner layers or consecutive and curved bends if they require further reinforcement to withstand the required mechanical strength of the concrete beds.
  • Disadvantages accompanied, in particular when the inner layers touch the successive and further outward layer of the cage due to their extent. These are not properly closed as planned especially since the longitudinal bars of the electro-welded wire mesh (with respect to the feed direction of the same during the bending phase) mutually disturbing.
  • the objects of the invention are according to the features of the main claim and / or solves any other claim contained in this patent by providing an automatic bending group or bending machine of a two-pronged type which is capable of producing complex cages or three-dimensional reticular structures consisting of successively continuous multilayers, avoiding the superposition of the longitudinal bars by: they are strung together during the bending phases.
  • These construction products ensure compliance with the required measures, especially since automatic production makes it possible to provide perfectly closed and finished products, without deformations, even of a partial nature, or tensions of some of the cage forming parts.
  • the applicant of the present invention has advantageously eliminated the disadvantages, at least with four possible technically equivalent modifications.
  • a first solution of the present invention is to intervene on the two-pronged bending group or machine which operates in lines for the manufacture of complex cages for construction, starting from electro-welded wire mesh and which is transverse to the flow of the wire mesh.
  • the disadvantage of overlapping the longitudinal bars is eliminated by pivotally anchoring the transverse bending machine in the center line and automatically controlling it at the time of critical bending so as to be slightly inclined with respect to its basic orthogonality, thereby bending and stacking the longitudinal bars promoted two superimposed layers.
  • the bending machine is tilted slightly, it makes a bend that is not parallel to the previous one, so the longitudinal bars can not be superimposed, but are strung together.
  • the successive bend alternately takes place with an inclination opposite to the previous one, compensating for the inclined bends so that manufactured cages are made in the form of straight prisms in consideration of the planned goals.
  • This technical solution provides a hinged attachment of the machine to the ground or on another support surface and the use of one or two attached at the ends automatically controlled actuators, which set the entire bending machine only at the necessary time in motion or in the phase of bending and the non-occurring superposition of the round bars.
  • the inclination movement of the machine with respect to the feed direction of the electro-welded wire mesh is of alternating and automatic type and the extent of the angular deflection is in relation to the diameter of the longitudinal round bars which form the wire mesh.
  • a second concept of the present invention is the stable and stable mounting of the bending machine, being arranged orthogonal to the feed direction of the electro-welded wire mesh.
  • the fixed, central, C-shaped pin carrying box of the bending machine is mounted movably along the bending machine, the displacements being controlled automatically by suitable means located at the two ends.
  • This box which carries the plurality of fixed central bending pins, is displaced by control and force at the time of rotation of the outer bending pins, or shifts during this bending phase, bending the longitudinal bars of the mesh laterally. In this way, these bar irons are deflected, for which reason they are lined up with the previous and the corresponding outer bar irons instead of being superimposed on successive multilayers in successive bends.
  • a third concept of the present invention is to provide a two-axis machine for bending electro-welded wire mesh, which assumes a fixed and orthogonal position with respect to the feed direction of the braid.
  • the modification to the bending bars is articulated on a vertical surface (orthogonal to the axis of the central main pegs) located upstream and downstream of the central main bending pegs.
  • the rods, which are set in motion by suitable bending arms, are not cylindrical in nature, but have conical seats in the passage positions of the longitudinal bars which, during the bending phase, have the function of laterally deflecting the bar iron slightly so that the curved side is the possible one previous page does not exceed, but next to it.
  • the taper is responsible for distracting the round iron; in fact, if there is a bending force is exposed, it seeks - due to its own mechanical strength - to a position of lesser tension, which corresponds to that of the higher radius of curvature (with a diameter which is smaller than the portion of the conical seat of the bending rod).
  • a fourth technical solution which is equivalent to those described above, is similar to the third, i. H. It is intended to use the bending bars, which consist of a plurality of seats or successive continuous cuts with a semicircular longitudinally hollowed-out cross-section which extend in a circle over the entire surface. These cuts can have the same or different dimensions.
  • Each rod is actuated by two actuators mounted at the ends, which function to displace the longitudinal bars transversely (to the direction of advance of the braid) during the bending phase: thereby shifting the sides of the rods during the bending phases in a successive manner. Consequently, the rods move not only in an articulated manner parallel to the braid advance, but also orthogonally during the flexing phase.
  • the present invention solves the underlying objects and overcomes the known disadvantages that arise in the phases of successive multi-layer bending in complex cages used in construction, by automatically, without manual work of the operators, even sporadic nature, and perfectly in relation be made on the molds and the planned dimensions.
  • the first technical solution to overcoming the above drawbacks is to articulate the two-sided bending machine (3) at a point on the ground possibly located in the center line (2) and to make a slight angular displacement of the machine with respect to their orthogonality in the feed direction of the braid to be bent by means of a suitable automatic hydraulic actuator (8).
  • This angular displacement of the axis (7) of the machine takes place alternately in both directions, so that the production of a product in a spiral manner is prevented.
  • the second technical solution which is equivalent to the first one, consists in the special manufacture of the central main bending pins (10) which are automatically actuated on a suitable carriage box (4) which is movable and by suitable control means (9) or other appropriate means is appropriate.
  • These actuators are located at the ends and act on the entire plurality of main pins (10), which are set in motion by control, if it is necessary to deflect the longitudinal bars (1.1) during the bending phase of an overlapping side. This shift must be made during the actual initial bending phase so that the slight lateral shift of the affected bends is favored. A displacement corresponding to the diameter of the above round iron is sufficient.
  • the bending pins (10) have a C-shaped profile, the upper portion is externally shaped and rounded and has a circular arc incision (11) according to the direction of the longitudinal iron on the inside of the coupling of the longitudinal track, while the remaining portion
  • This pin has three small grooves with semicircular profile (12) in the orthogonal direction to the previous incision on the bottom.
  • the third technical solution which is also equivalent to those mentioned above, consists in equipping the upstream (5) and downstream (6) bending rods automatically set in motion by suitable arms which are symmetrical to the central main pins (10). lie, with special socket elements (13) having the conical processing (14) near the passage region of the longitudinal round bars to be bent.
  • the round bars (1.1) exposed to the radial bending force with respect to the central pins are deflected onto the larger radius tapered surfaces (14) with respect to the main bending point (10). In this way, a bending of the braid with slight lateral displacement of the longitudinal bars is generated, so that it to those of previous layer can be queued.
  • the fourth technical solution which is equivalent to those mentioned above, is similar to the third solution, the modification being that the bending rods have semi-circular cuts (15) or circular-arc cuts (suitable for receiving the longitudinal rods to be bent). have, which are distributed annularly over the entire length.
  • both the rods (5) and (6) and the central pins (10) provide the use of actuators (9) which are responsible for transversely controlling them during the bending phases of the wire mesh.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
EP06124521A 2006-11-21 2006-11-21 Machine à cintrer pour réaliser des cages d'armature pour béton armé Not-in-force EP1925377B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT06124521T ATE451981T1 (de) 2006-11-21 2006-11-21 Biegemaschine zur herstellung von käfigen für betonbauten
DE502006005682T DE502006005682D1 (de) 2006-11-21 2006-11-21 Biegemaschine zur Herstellung von Käfigen für Betonbauten
EP06124521A EP1925377B1 (fr) 2006-11-21 2006-11-21 Machine à cintrer pour réaliser des cages d'armature pour béton armé
ES06124521T ES2336594T3 (es) 2006-11-21 2006-11-21 Maquina de doblado para la fabricacion de jaulas para construcciones de hormigon.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06124521A EP1925377B1 (fr) 2006-11-21 2006-11-21 Machine à cintrer pour réaliser des cages d'armature pour béton armé

Publications (2)

Publication Number Publication Date
EP1925377A1 true EP1925377A1 (fr) 2008-05-28
EP1925377B1 EP1925377B1 (fr) 2009-12-16

Family

ID=37682888

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06124521A Not-in-force EP1925377B1 (fr) 2006-11-21 2006-11-21 Machine à cintrer pour réaliser des cages d'armature pour béton armé

Country Status (4)

Country Link
EP (1) EP1925377B1 (fr)
AT (1) ATE451981T1 (fr)
DE (1) DE502006005682D1 (fr)
ES (1) ES2336594T3 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20090040A1 (it) * 2009-02-20 2010-08-21 A W M Spa Macchina e relativo procedimento per la movimentazione angolare sul piano di reti metalliche elettrosaldate piane e/o piegate tridimensionalmente
ITUD20100027A1 (it) * 2010-02-15 2011-08-16 Awm Spa Gruppo caricatore automatico di barre porta perni piegatori adatto per impianti per la produzione di strutture reticolari o di gabbie derivate da reti metalliche elettrosaldate.
WO2014015349A1 (fr) * 2012-07-25 2014-01-30 EVG Entwicklungs- u. Verwetungs-Gesellschaft m.b.H. Plieuse pour nattes en treillis métallique
CN104148465A (zh) * 2014-08-12 2014-11-19 天津市北方高效填料厂 一种新型填料压弯机
CN110225800A (zh) * 2017-01-30 2019-09-10 集奥布鲁克有限公司 用于生产丝网用的卷材的弯曲装置
WO2019183947A1 (fr) * 2018-03-30 2019-10-03 深圳市君盈建筑科技有限公司 Procédé de pliage et de mise en forme de maillage de cadre de barre d'acier
CN110576092A (zh) * 2019-10-21 2019-12-17 北京建筑机械化研究院有限公司 一种钢筋网片弯折设备
IT201900004707A1 (it) * 2019-03-29 2020-09-29 Awm Spa Unità di piegatura automatica di elementi metallici filiformi di reti elettrosaldate e relativo procedimento di piegatura
CN112371797A (zh) * 2020-10-27 2021-02-19 云南腾启机械模具制造有限公司 混凝土预埋钢筋成型机
CN113695494A (zh) * 2021-07-27 2021-11-26 宁波交通工程建设集团有限公司 一种封闭形状的多边形钢筋笼一体弯折机及钢筋笼折弯工艺
CN115401101A (zh) * 2021-05-26 2022-11-29 广东博智林机器人有限公司 弯网机
EP4292726A1 (fr) * 2022-06-15 2023-12-20 Progress Maschinen & Automation AG Unité de changement de matrice pour machines à cambrer les poutres
CN117718417A (zh) * 2024-02-07 2024-03-19 中铁四局集团有限公司 一种桥面板钢筋网片整体弯折的加工方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2110010A5 (fr) * 1970-10-14 1972-05-26 Bouwstaal Roermond Nv
FR2152967A1 (fr) * 1971-09-14 1973-04-27 Bock Rudolf
DE2252411A1 (de) * 1972-10-25 1974-05-02 Av Betonopzetters Nv Verfahren und vorrichtung zur herstellung von aufsaetzen aus stahlbeton oder von aehnlichen runden betonelementen, sowie betonaufsaetze bzw. armierungen dafuer, hergestellt mit diesen verfahren und/oder mit dieser vorrichtung
FR2721640A1 (fr) 1994-06-28 1995-12-29 Bokobza Galdys Procédé de fabrication d'armatures pour béton armé.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2110010A5 (fr) * 1970-10-14 1972-05-26 Bouwstaal Roermond Nv
FR2152967A1 (fr) * 1971-09-14 1973-04-27 Bock Rudolf
DE2252411A1 (de) * 1972-10-25 1974-05-02 Av Betonopzetters Nv Verfahren und vorrichtung zur herstellung von aufsaetzen aus stahlbeton oder von aehnlichen runden betonelementen, sowie betonaufsaetze bzw. armierungen dafuer, hergestellt mit diesen verfahren und/oder mit dieser vorrichtung
FR2721640A1 (fr) 1994-06-28 1995-12-29 Bokobza Galdys Procédé de fabrication d'armatures pour béton armé.

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20090040A1 (it) * 2009-02-20 2010-08-21 A W M Spa Macchina e relativo procedimento per la movimentazione angolare sul piano di reti metalliche elettrosaldate piane e/o piegate tridimensionalmente
WO2010094503A1 (fr) * 2009-02-20 2010-08-26 A.W.M. S.P.A. Machine et procédé associé pour le mouvement angulaire sur une surface de réseaux métalliques électriquement soudés plats et/ou pliés en trois dimensions
ITUD20100027A1 (it) * 2010-02-15 2011-08-16 Awm Spa Gruppo caricatore automatico di barre porta perni piegatori adatto per impianti per la produzione di strutture reticolari o di gabbie derivate da reti metalliche elettrosaldate.
WO2011098316A1 (fr) * 2010-02-15 2011-08-18 A.W.M. S.P.A. Unité de chargement automatique pour barres supportant des axes de pliage
WO2014015349A1 (fr) * 2012-07-25 2014-01-30 EVG Entwicklungs- u. Verwetungs-Gesellschaft m.b.H. Plieuse pour nattes en treillis métallique
CN104148465A (zh) * 2014-08-12 2014-11-19 天津市北方高效填料厂 一种新型填料压弯机
CN104148465B (zh) * 2014-08-12 2016-01-13 天津市北方高效填料厂 一种新型填料压弯机
CN110225800B (zh) * 2017-01-30 2020-03-03 集奥布鲁克有限公司 用于生产丝网用的卷材的弯曲装置
CN110225800A (zh) * 2017-01-30 2019-09-10 集奥布鲁克有限公司 用于生产丝网用的卷材的弯曲装置
JP2020506806A (ja) * 2017-01-30 2020-03-05 ジェオブルッグ・アーゲー ワイヤメッシュのための螺旋体を作製する曲げ装置
WO2019183947A1 (fr) * 2018-03-30 2019-10-03 深圳市君盈建筑科技有限公司 Procédé de pliage et de mise en forme de maillage de cadre de barre d'acier
IT201900004707A1 (it) * 2019-03-29 2020-09-29 Awm Spa Unità di piegatura automatica di elementi metallici filiformi di reti elettrosaldate e relativo procedimento di piegatura
EP3715007A1 (fr) * 2019-03-29 2020-09-30 A.W.M. S.p.A. Unité de pliage automatique d'éléments de fil métallique de treillis électro-soudées et procédé de pliage associés
CN110576092A (zh) * 2019-10-21 2019-12-17 北京建筑机械化研究院有限公司 一种钢筋网片弯折设备
CN112371797A (zh) * 2020-10-27 2021-02-19 云南腾启机械模具制造有限公司 混凝土预埋钢筋成型机
CN112371797B (zh) * 2020-10-27 2022-06-10 云南腾启机械模具制造有限公司 混凝土预埋钢筋成型机
CN115401101A (zh) * 2021-05-26 2022-11-29 广东博智林机器人有限公司 弯网机
CN113695494A (zh) * 2021-07-27 2021-11-26 宁波交通工程建设集团有限公司 一种封闭形状的多边形钢筋笼一体弯折机及钢筋笼折弯工艺
CN113695494B (zh) * 2021-07-27 2024-11-19 宁波交通工程建设集团有限公司 一种封闭形状的多边形钢筋笼一体弯折机及钢筋笼折弯工艺
EP4292726A1 (fr) * 2022-06-15 2023-12-20 Progress Maschinen & Automation AG Unité de changement de matrice pour machines à cambrer les poutres
CN117718417A (zh) * 2024-02-07 2024-03-19 中铁四局集团有限公司 一种桥面板钢筋网片整体弯折的加工方法
CN117718417B (zh) * 2024-02-07 2024-05-10 中铁四局集团有限公司 一种桥面板钢筋网片整体弯折的加工方法

Also Published As

Publication number Publication date
DE502006005682D1 (de) 2010-01-28
ES2336594T3 (es) 2010-04-14
ATE451981T1 (de) 2010-01-15
EP1925377B1 (fr) 2009-12-16

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