EP2265397B1 - Stützvorrichtung für stangen in maschinen zur herstellung von metallkäfigen; verwendung der vorrichtung - Google Patents

Stützvorrichtung für stangen in maschinen zur herstellung von metallkäfigen; verwendung der vorrichtung Download PDF

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Publication number
EP2265397B1
EP2265397B1 EP09711680A EP09711680A EP2265397B1 EP 2265397 B1 EP2265397 B1 EP 2265397B1 EP 09711680 A EP09711680 A EP 09711680A EP 09711680 A EP09711680 A EP 09711680A EP 2265397 B1 EP2265397 B1 EP 2265397B1
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EP
European Patent Office
Prior art keywords
support
cage
formation
bars
axis
Prior art date
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Not-in-force
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EP09711680A
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English (en)
French (fr)
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EP2265397A1 (de
Inventor
Emilio Corsini
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.)
Schnell Impianti SRL
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Schnell Impianti SRL
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Publication of EP2265397A1 publication Critical patent/EP2265397A1/de
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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
    • B21F27/122—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 attaching a continuous stirrup to longitudinal wires
    • B21F27/124—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 attaching a continuous stirrup to longitudinal wires applied by rotation

Definitions

  • the present invention relates to a support device for the longitudinal bars in machines for manufacturing metal cages, in particular of reinforced concrete (see e.g. WO 02/070 169 on which the preamble of claim 1 is based).
  • metal cages are used, especially of cylindrical shape, consisting of a series of longitudinal iron bars, on whose outer part is placed a rod spiral wound onto the same bars, according to a suitably preset pitch.
  • the longitudinal bars are distributed according to a suitable geometrical profile, usually cylindrical; there are also examples of piles and pillars with different geometry, for instance asymmetrical, elliptical, prismatic and similar.
  • Patent EP 00035477 illustrates a machine to realize cages with spiral winding, comprising an operating flange and a flange freely swivelling borne by a carriage that can move frontally to the operating head, both flanges being prearranged to support the longitudinal bars in preset positions.
  • the bars are rotated by the above-mentioned flanges, while the metal wire, unwound by a lateral reel and borne in longitudinal motion, gradually spiral winds around the same bars.
  • Patent IT 1216960 illustrates the use of swivelling members consisting of disks equipped with holes arranged at different radial distances from the longitudinal axis of formation of the cage, coinciding with the rotation axis of the machine, to insert the longitudinal bars.
  • the longitudinal bars are associated with the above-mentioned holes of the swivelling members through suitable sleeve couplings.
  • Patent US 3,579,259 illustrates a similar support system of the bars, in which the swivelling members consist of disks having a series of radial slots, regularly spaced, suitable to be engaged by the longitudinal bars.
  • the bars are fixed in the desired position through suitable blocking members.
  • the support system of the bars illustrated in the Italian patent ITUD20040095 belongs to the same typology.
  • the Italian patent ITPS20010012 illustrates a different support mode of the longitudinal bars in which the swivelling members are equipped with an interchangeable ring on which the insertion sleeves of the bars can be applied, in various positions.
  • the described devices for the support in rotation of the longitudinal bars have the limit not to allow a complete freedom in choosing the shape of the cage.
  • the arrangement of the longitudinal bars onto the swivelling members is, in fact, variable only within a predetermined number of positions, depending on the mounting positions of the insertion sleeve couplings of the bars. In other words, it is possible to vary the diametric dimensions of the cage and the number and distribution of bars engaged only for finite intervals and, often, not with the needed freedom.
  • the known support devices often do not allow easily realizing metal cages having geometry different from the cylindrical one.
  • the aim of the present invention is to overcome the cited drawbacks by devising a device that allows to operate optimally the support of the longitudinal bars in machines for manufacturing metal cages of various dimensions.
  • a further aim of the present invention is to devise a support device of the bars of simple conception, equipped with a certainly reliable functioning and of versatile use, and also relatively economic cost-wise.
  • Fig. 1 illustrates a front view of the device for the swivelling support of the bars according to the claimed invention
  • Fig. 2 illustrates an exploded perspective view of the claimed device
  • Fig. 3 illustrates a view of a detail of the claimed invention
  • Fig. 4 illustrates a perspective view of a different embodiment of the device for the swivelling support of the bars according to the present invention
  • Fig. 5 illustrates its corresponding view according to an axial plane
  • Fig. 6 and 7 respectively illustrate a perspective view and an axial section view of the same device in assembling position on a rotating member of the machine for manufacturing metal cages.
  • 1 refers to the device for supporting metal bars in a machine for manufacturing metal cages, in particular for the framework of foundation piles, reinforced-concrete columns and similar.
  • the metal cage to realize consists of a series of longitudinal bars arranged parallel and made integral, according to a given geometry, through a metal wire, spiral wound onto the same bars, according to an adequately preset pitch.
  • the bars suitable to form the metal cage to be arranged according to a circular transversal profile, in order to determine the realization of a cylindrical pile. It is clearly possible to provide for realizing cages having a different transversal profile, for instance elliptical, polygonal, with asymmetrical distribution of the bars or similar.
  • the support device 1 has a swivelling member suitable to support the longitudinal bars in the fixing positions to form the cage.
  • a swivelling member suitable to be put in rotation by a suitable mover, according to the axis of the cage in formation, to bring the longitudinal bars in rotation during the forming of the cage.
  • the swivelling member comprises a cross support 2 basically consisting of one or more crossbars 3, which are arranged on a plane orthogonal to the cited axis of the cage in formation. More specifically, as illustrated, the cross support 2 consists of a pair of crossbars 3 arranged perpendicular one to the other and reciprocally coupled, in central position, through a suitable junction member 4.
  • the orthogonal arms defined by the crossbars 3 have respective areas of anchorage consisting of longitudinal slots 5. Therefore, the slots 5 are, in working configuration, radial to the axis of the cage in formation.
  • the circular supports 6 are concentrically fixed to the cross support 2, at said radial slots 5, through suitable screw members 7.
  • the circular supports 6 are respectively equipped with a basically circumferential slot 8.
  • the circumferential slot 8 preferably consists of a series of circular sectors, interposed by small solid portions suitable to carry the screw members 7 for fixing to the cross support 2.
  • the circular support 6 fixed to the cross support is suitable to bear a plurality of sleeve couplings 9 suitable to receive, in known way, the longitudinal bars.
  • the couplings 9 are suitable to be fixed in adjustable positions in correspondence with the circumferential slot 8 of the circular support 6, through respective fixing members 10.
  • the couplings 9 are also suitable to be fixed, as better explained below, in correspondence with the radial slots 5 of the cross support 2.
  • the fixing members 10 consist of a plate with elongated shape having a hole 11 for the insertion of the coupling 9 and equipped with a slot 12, in use arranged radial to the axis of the cage in formation, suitable to allow the adjustment of the radial positioning of the longitudinal bars on the rotating member.
  • the coupling 9 is inserted in the hole 11 through a bushing 19.
  • the fixing members 10 are fixed to the circular support 6 through suitable screw members 13, which cross the respective slots 12.
  • the screw members 13 have a prismatic portion 14 through which they are suitable to engage the slots 12 in order to prevent an undesired rotation of the whole fixing member 10 due to the stresses deriving from the manufacturing.
  • the screw members 13 are shaped so that they can be mounted either towards the outside and towards the inside of the swivelling support 6, thus increasing the flexibility of use since it is possible to cover two ranges of diameters, using the adjustment along the slots 12 both towards the inside and towards the outside of the swivelling support 6.
  • the most suitable circular support 6 within the series of available supports is selected.
  • Such support 6 is fixed concentric to the cross support 2, through the suitable screw members 7 which engage the crossbars 3 of the cross support 2.
  • the support 6 can have any geometry according to the typology of handwork to realize, not only circular.
  • the couplings 9 are fastened to the circular support 6 through the respective fixing members 10.
  • the fixing members 10 of the couplings 9 are fastened in preset positions spaced along the circumferential slot 8 of the circular support 6, through the corresponding screw members 13.
  • the fixing members 10 of the couplings 9 can be manually mounted by the operator in the preset positions for the longitudinal bars along the preset geometric profile. This could, though, lead to an inaccurate result, especially in the case of metal cages equipped with a high number of bars or with a particular geometric profile. In fact, each bar could have an inaccurate circumferential position, so that the bars would result placed at irregular distances, and also an inaccurate radial position, so that the cage would result completely or partly decentralized.
  • the positions of the longitudinal bars to be arranged according to the preset geometric profile, according to the number of the same longitudinal bars, and to mount in ordered sequence along the circumferential slot 8 of the supports 6, in the above-mentioned positions determined by the electronic control means, the fixing members 10 of the couplings 9.
  • This allows to obtain an optimum precision for the circumferential positioning of the couplings 9, which are placed respectively in the radial slot 12 of the fixing members 10.
  • the radial position of the sleeves 9 is optimally adjusted with respect to the axis of the cage in formation, with reference to a simple stop or to a metrical reference.
  • the described device reaches the aim to realize in optimum way the support of longitudinal bars in the machines to manufacture metal cages for reinforced concrete and similar of different sizes, in particular allowing the formation of metal cages of any shape.
  • the couplings 9 are suitable to be fixed onto the support device 1 in position adjustable both circumferentially and radially.
  • a prerogative of the claimed device consists, furthermore, of the fact that it also allows the formation of cages having geometry different from the cylindrical one, for instance elliptical, prismatic and similar.
  • the couplings 9 can, in fact, be arranged at different radial distances from the axis of the cage in formation and basically in any suitable position, thanks to the wide range of adjustment allowed by the above-mentioned slots 5, 8 and 12 of the support members.
  • the claimed device has a very simple and of smooth use structure, advantageously to the productivity of the machine.
  • the cross support element 2 consists of a plurality of arms 30 stiffly fixed to each circular support 6 and protruding outwardly from the same circular support 6. It is preferably provided the use of four arms 30 arranged according to two perpendicular axis passing through the geometry centre of the circular support 6.
  • the arms 30 consist of prismatic battens equipped at an end with a connection head 31 to the circular support 6 and suitable to be removably fastened, for instance through suitable screw means, to the inner surface of the swivelling member 20 to the machine for manufacturing metal cages.
  • the battens are hardened by longitudinal ribs 32.
  • the arms 30 have different lengths according to the diametric dimension of the circular support 6, in order to have, in mounting position onto the circular support 6, a predetermined diametric extension, according to the dimensions of the swivelling member 20 of the machine. Practically, when the diametric dimensions of the circular support 6 increase, the length of the arms 30 proportionally decreases, so that the circumferential distribution of the bars perfectly corresponds to the project requirements. Therefore, it is not necessary to arrange the fixing members 10 in the position which is most similar to the theoretic position, due to the obstruction which could result with the crossbars 3 of the cross support 2.
  • the connection head 31 of the arms 30 is adequately bridge-shaped, in order to define a channel in correspondence with the above-mentioned uninterrupted slot 8.
  • the head of the screw members 13 for blocking the fixing members 10 of the couplings 9 can, in fact, be housed inside the above-mentioned channel of the bridge-shaped head 31 (see in particular fig. 7 ).
  • the metal cage According to the diametric dimensions of the metal cage to realize, also in this case, it is provided for selecting the most suitable circular support 6 in the series of available supports.
  • Such support 6 is fixed concentrically to the swivelling member 20 of the machine, through the arms 30 of the cross member 2 externally protruding from the same support 6. It is then provided for fastening the couplings 9 to the circular support 6 through respective fixing members 10, as previously described.
  • Such different embodiment of the claimed support device has the advantage of releasing the central area of the swivelling member of the machine from the encumbrance of the intersection of the arms 3 of the cross member 2 previously described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Turning (AREA)
  • Feeding Of Workpieces (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Claims (15)

  1. Vorrichtung zur Halterung von Längsstangen in Befestigungspositionen, die dazu geeignet ist, in Maschinen eingesetzt zu werden, um Metallkörbe ausgehend von Längsstangen herzustellen, die entsprechend einem zuvor festgelegten, geometrischen Profil angeordnet und mithilfe von mindestens einem Metalldraht einteilig gemacht werden, der durch die Kombination aus einer Drehbewegung um eine mit der Achse des entstehenden Korbes zusammenfallenden Achse und einer Verschiebungsbewegung spiralförmig um die Stangen gewickelt wird, wobei die Vorrichtung Folgendes umfasst:
    - ein Kreuzelement (2), das dazu geeignet ist, abnehmbar an einem drehbaren Organ (20) der Maschine befestigt zu werden;
    - eine Halterung (6), die ein im Wesentlichen kreisbogenförmiges Profil (8) aufweist, wobei die Halterung (6) dem Kreuzelement (2) zugeordnet ist;
    dadurch gekennzeichnet, dass
    - das kreisbogenförmige Profil (8) der Halterung (6) im Wesentlichen ein Kreisbogenschlitz (8) ist;
    - die Vorrichtung außerdem mehrere Muffen (9) umfasst, die dazu geeignet sind, die Längsstangen aufzunehmen und in einstellbaren Positionen in Übereinstimmung mit dem Kreisbogenschlitz (8) der Halterungen (6) befestigt zu werden.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Halterung (6) eine runde Form besitzt.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die runde Halterung (6) aus einem Paar konzentrischer Ringe (61) gebildet wird, die dazu dienen, einen ununterbrochenen Kreisbogenschlitz (8) zu definieren.
  4. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sie eine Reihe von Halterungen (6) mit unterschiedlichen Diametralabmessungen umfasst, die dazu geeignet sind, wahlweise konzentrisch an dem drehbaren Organ (20) der Maschine durch das Kreuzelement (2) befestigt zu werden.
  5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Kreuzelement (2) aus mindestens einem Querträger (3, 30) besteht, um die Halterung (6) auf einer Ebene rechtwinklig zur Achse des entstehenden Korbes zu verbinden.
  6. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das Kreuzelement (2) aus mehreren Armen (30) besteht, die starr an jeder runden Halterung (6) auf einer Ebene rechtwinklig zur Achse des entstehenden Korbes befestigt sind und aus der runden Halterung (6) nach außen überstehen.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Arme (30) je nach den Diametralabmessungen der runden Halterung (6) unterschiedlich lang sind, damit der Außendurchmesser der Halterungsvorrichtung (1) gleich bleibt.
  8. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Arme (30) an einem Ende mit einem brückenförmigen Kopf (31) für die Verbindung mit der runden Halterung (6) versehen sind, um einen Kanal in Übereinstimmung mit dem Kreisbogenschlitz (8) der runden Halterung (6) zu definieren, um die Anbringung der Organe zur Befestigung (10) der Muffen (9) ebenfalls in Übereinstimmung mit den Verbindungsbereichen der Arme (30) des Kreuzelementes (2) zu ermöglichen.
  9. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Muffen (9) dazu geeignet sind, in einer sowohl auf dem Kreisbogen, als auch auf dem Radius einstellbaren Position hieran befestigt zu werden.
  10. Vorrichtung nach den Ansprüchen 1 oder 2, dadurch gekennzeichnet, dass die Muffen (9) dazu geeignet sind, an dem Kreisbogenschlitz (8) der Halterungen (6) mittels entsprechender Organe (10) mit Radialschlitz (12) zur Befestigung an der Achse des entstehenden Korbes während des Gebrauchs befestigt zu werden, um die Einstellung der radialen Position der Längsstangen auf der Halterungsvorrichtung (1) zu ermöglichen.
  11. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die Befestigungsorgane (10) dazu geeignet sind, an den Halterungen (6) mittels Schraubenorganen (13) befestigt zu werden, die einen prismenförmigen Anteil (14) besitzen, mit dem sie in die Schlitze (12) eingreifen, um eine Drehung der Befestigungsorgane (10) zu verhindern.
  12. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass die Befestigungsorgane (10) dazu geeignet sind, radial sowohl zum Äußeren, als auch zum Inneren der Halterungen (6) hin angebracht zu werden.
  13. Verfahren zur Anwendung der Halterungsvorrichtung (1) nach Anspruch 1, gekennzeichnet durch das
    a. Festlegen der Kreisbogenspositionen der Längsstangen mithilfe von elektronischen Steuermitteln, die je nach der Anzahl der Längsstangen entsprechend dem zuvor festgelegten geometrischen Profil anzuordnen sind;
    b. Anbringen einer Reihe von Organen zur Befestigung (10) der Muffen (9) mit einem Radialschlitz (12) während des Gebrauchs an der Achse des entstehenden Korbes, und zwar eines nach dem anderen, in geordneter Reihenfolge entlang des Kreisbogenschlitzes (8), wobei die Schablone jeweils in die von den elektronischen Steuermitteln bezogen auf einen fixen Bezugspunkt festgelegten Positionen gebracht wird;
    c. jeweiliges Positionieren der Muffen (9) im Radialschlitz (12) der Befestigungsorgane (10);
  14. Verfahren nach Anspruch 13, gekennzeichnet durch die weitere Phase des d. Einstellens der radialen Position der Muffen (9) bezüglich der Achse des entstehenden Korbes mithilfe eines Anschlags oder eines metrischen Bezugs.
  15. Verfahren nach Anspruch 13, gekennzeichnet durch die weitere Phase des d. Einstellens der radialen Position der Muffen (9) bezüglich der Achse des entstehenden Korbes mithilfe eines Anschlags oder eines metrischen Bezugs, der an dem fixen Bezugspunkt angebracht ist.
EP09711680A 2008-02-21 2009-02-19 Stützvorrichtung für stangen in maschinen zur herstellung von metallkäfigen; verwendung der vorrichtung Not-in-force EP2265397B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000118A ITBO20080118A1 (it) 2008-02-21 2008-02-21 Dispositivo di supporto delle barre in macchine per realizzare gabbie metalliche
PCT/IB2009/050692 WO2009104157A1 (en) 2008-02-21 2009-02-19 Support device for bars in machines for manufacturing metal cages

Publications (2)

Publication Number Publication Date
EP2265397A1 EP2265397A1 (de) 2010-12-29
EP2265397B1 true EP2265397B1 (de) 2011-08-31

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EP09711680A Not-in-force EP2265397B1 (de) 2008-02-21 2009-02-19 Stützvorrichtung für stangen in maschinen zur herstellung von metallkäfigen; verwendung der vorrichtung

Country Status (4)

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EP (1) EP2265397B1 (de)
AT (1) ATE522298T1 (de)
IT (1) ITBO20080118A1 (de)
WO (1) WO2009104157A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10237205B4 (de) * 2002-04-18 2009-02-12 Koenig & Bauer Aktiengesellschaft Aufzug auf einer Walze, Anordnungen der Walze zu einer zweiten Walze sowie Druckwerke einer Druckmaschine mit der Walze
IT1395571B1 (it) * 2009-09-11 2012-10-16 Gricor Impianti S R L Ora Schnell Impianti S R L Dispositivo di supporto delle barre in macchine per realizzare gabbie metalliche
AU2010336028B2 (en) * 2009-12-23 2017-04-13 Wayne Barden A multi-shape cage making apparatus
CN101982250B (zh) * 2010-09-20 2012-07-04 建科机械（天津）股份有限公司 数控方型钢筋笼成型机的主筋位置自动调整机构
CN104259349B (zh) * 2014-08-13 2016-06-15 武汉三江航天远方科技有限公司 金属减振器毛坯缠绕装置
CN105414411B (zh) * 2015-12-17 2017-10-03 中铁十六局集团第三工程有限公司 一种桩基础辅笼加工胎架及桩基础辅笼加工方法
CN108637571A (zh) * 2018-06-01 2018-10-12 建科机械（天津）股份有限公司 一种动力配筋装置及钢筋笼成型机器人

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Publication number Priority date Publication date Assignee Title
US3579259A (en) * 1969-06-23 1971-05-18 Nippon Rocla Pipes Co Ltd Apparatus for making a double-layer reinforcing cage for concrete pipes
IT1141782B (it) * 1980-03-05 1986-10-08 Rema Macchine Utensili Spa Macchina formatrice di gabbie
IT1216960B (it) * 1987-03-11 1990-03-14 Grilli Mario Corsini Emilio Pa Procedimento per la fabbricazione di gabbie cilindriche per cemento armanto
AUPR300301A0 (en) * 2001-02-09 2001-03-08 Cagemaker Equipment Pty Ltd A former associated with an apparatus for making cages
WO2002070169A1 (en) * 2001-03-07 2002-09-12 Ngr Limited Cage making apparatus

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Publication number Publication date
EP2265397A1 (de) 2010-12-29
ATE522298T1 (de) 2011-09-15
ITBO20080118A1 (it) 2009-08-22
WO2009104157A1 (en) 2009-08-27

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