Abstract: Machine for bending metal products (B) includes a drawing unit (11) configured to feed at least one metal product (B) along an axis of feed (D) and toward a bending unit (12) and a shearing unit (14) configured to shear the metal product (B). The bending unit (12) is mounted on a translating platform (13) able to be translated in a direction of translation (T) transverse to the axis of feed (D), and at least one part of the shearing unit (14) is mounted on the translating platform.

Abstract: Perfected curving machine comprising a support bench configured to simultaneously support one or more bars, wherein said support bench has an oblong development in relation to the length of the bars, and comprises at least one bending unit controllably mobile along the support bench in order to bend said bars, and clamping means configured to constrain the position of the bars on the support bench.

Abstract: Machine for bending metal products, wherein the machine includes a drawing unit configured to feed at least one metal product along an axis of feed and toward a bending unit and a shearing unit configured to shear the metal product. The bending unit is mounted on a translating platform able to be translated in a direction of translation transverse to the axis of feed, and at least one part of the shearing unit is mounted on the translating platform.

Abstract: Apparatus for drawing and straightening at least a metal wire, comprising a drawing unit of the metal wire along a direction of advance which comprises a first motorized main roll, on part of the periphery of which first idle contrast rolls are disposed, with a smaller diameter than the first main roll. The apparatus also comprises a straightening only unit of the metal wire, independent from the drawing unit, disposed along the direction of advance and upstream of the drawing unit, the straightening only unit comprising a second idle main roll, on part of the periphery of which second idle contrast rolls are disposed, with a diameter smaller than the second main roll.

Abstract: The present invention relates to an apparatus and method for bending elongated metal elements. The apparatus includes a bending station provided with a first contrasting pin, a bending support defining a first bending plane on which the elongated metal elements are positioned and advance, and a first bending pin mounted mobile around the first contrasting pin, in order to bend the elongated metal elements on the first bending plane in cooperation with the first contrasting pin. The bending station further includes a second contrasting pin mounted on the first bending pin, and a second bending pin disposed mobile with respect to a bending support in a slanting direction with respect to the first bending plane, in order to bend the elongated metal elements in cooperation with the second contrasting pin on a second bending plane, angled with respect to the first bending plane.

Abstract: A drawing and/or straightening unit for feeding one or more oblong metal products to a machine for working the metal products is included that has a first roller on which at least one metal product being fed is positioned longitudinally. Also included is a second contrasting roller, opposite the first roller. This keeps the metal product correctly positioned during feed. The drawing and/or straightening unit has actuators operationally associated with the second roller to initially move and position the second roller with respect to the first roller and to vary the distance between the rollers. The actuators have actuators for initial movement of the second roller to the first roller, and for selective and controlled movement of the second roller.

Abstract: An apparatus to feed metal products to a work machine comprising a plurality of feed heads disposed upstream of the work machine, each of which supporting the metal products, and at least one of which being configured to retain at least two metal products and render them selectively available to the work machine. The apparatus comprises a drawing unit interposed between the feed heads and the work machine, the drawing unit being configured to assume at least a first operating condition not interfering with the metal products, and a second operating condition in which it is positioned during use in axis with the work axis of the work machine and is configured to pick up from the feed head at least one of the metal products chosen from among the at least two metal products retained by the specific feed head and to feed it to the work machine in a direction of feed.

Abstract: Apparatus for drawing and straightening at least a metal wire, comprising a drawing unit of the metal wire along a direction of advance which comprises a first motorized main roll, on part of the periphery of which first idle contrast rolls are disposed, with a smaller diameter than the first main roll. The apparatus also comprises a straightening only unit of the metal wire, independent from the drawing unit, disposed along the direction of advance and upstream of the drawing unit, the straightening only unit comprising a second idle main roll, on part of the periphery of which second idle contrast rolls are disposed, with a diameter smaller than the second main roll.

Abstract: An apparatus and method for bending elongated metal elements comprising a bending station provided with a first contrasting pin, a bending support defining a first bending plane on which the elongated metal elements are positioned and advance, and a first bending pin mounted mobile around the first contrasting pin, in order to bend the elongated metal elements on the first bending plane in cooperation with the first contrasting pin. The bending station comprises a second contrasting pin mounted on the first bending pin, and a second bending pin disposed mobile with respect to a bending support in a slanting direction with respect to the bending plane, in order to bend the elongated metal elements in cooperation with the second contrasting pin on a second bending plane, angled with respect to the first bending plane.

Abstract: A machine for forming at least a metal mesh comprising longitudinal wires and transverse wires, comprising at least a welding unit provided with a plurality of welders by means of which the longitudinal wires are welded to corresponding transverse wires, each of the welders comprising at least two electrodes, respectively upper and lower, selectively movable between a first feed position, in which at least a first electrode is distant from the transverse and longitudinal wires, and a second welding position, in which both the electrodes contact and weld the wires by means of a passage of current. The welding unit is electrically fed by a three-phase type system.

Abstract: A drawing and/or straightening unit for feeding one or more oblong metal products to a machine for working the metal products. The drawing and/or straightening unit comprises a first driven roller on which at least one metal product to be fed is positioned longitudinally, and at least a second contrasting roller, opposite the first roller with respect to an axis of feed of the metal product, to keep the metal product correctly positioned with respect to the first roller during feed. The drawing and/or straightening unit comprises actuators operationally associated with the second roller, in order to move, at least in the initial positioning step, the second roller with respect to the first roller, in order to vary the distance between the second roller and the first roller.

Abstract: An apparatus and method to feed and shear metal bars, comprising a shearing unit that shears the metal bars sequentially into segments of desired length, and an alignment and translation unit, which feeds the metal bars to the shearing unit, provided with butting member suitable to cooperate with the tail ends of the metal bars in order to align them longitudinally with respect to each other. The butting member comprises a magnetic portion facing toward the tail ends of the metal bars, and conformed so as to generate a magnetic or electromagnetic attraction force on the tail ends, so as to attract the metal bars to itself and to keep the relative tail ends substantially aligned and in contact with the butting member.

Abstract: A device and method to feed bars which picks-up and removes selectively from a bundle one bar in order to dispose the bar for use in an operating machine. The device including first magnetic members, which separate from the bundle an end segment of a plurality of bars and dispose the end segments of the plurality of bars on a plane distanced with respect to the bundle, and second magnetic members, which cooperate with the first magnetic members so as to pick-up at least one bar at a time from the plurality of bars and to prepare the bar for sending to the operating machine. The device also includes third magnetic members, which temporarily hold the bar or bars picked-up by the first magnetic members, forming substantially a pick-up plane, in an intermediate step, from which the second magnetic members selectively pick-up the bars to be sent to the machine.

Abstract: Device and method to pick up and remove from a bundle one or more bars in order to arrange them for use in an operating machine. The device comprises first magnetic means to separate from the bundle an end segment of a plurality of bars and to arrange at least the end segments of plurality bars on a plane distanced with respect to the bundle. The device comprises second magnetic means to pick up, from the first magnetic means, at least one bar at a time from the plurality of bars and to unload the at least one bar in a desired release position.

Abstract: Bending machine for profiles in the form of bars sheared to size, including at least a drawing assembly, shearing apparatus and bending apparatus. At least part of the drawing assembly is movable between a first loading position, wherein it is upstream of and remote from the bending apparatus to take at least one of the bars sheared to size from an accumulation site, and a second drawing position, wherein it is upstream of and in proximity with the bending apparatus to draw/feed at least one bar towards the shearing apparatus and the bending apparatus and to cooperate with the shearing apparatus and the bending apparatus in performing the bending cycle.

Abstract: Bending machine (10) to obtain shaped elements from pre-cut profiles (11), equipped with a drawing assembly (14) which draws the profiles (11), first shearing means (13) arranged downstream of the drawing assembly (14) and bending means (12) arranged downstream of the first shearing means (13). Downstream of the bending means (12) are arranged second shearing means (15) to eliminate the terminal segments of the profiles (11) corresponding to the difference between the linear development of the shaped element to be produced and the length of the pre-cut profiles (11).

Abstract: Bending machine for profiles comprising at least a drawing assembly able to draw the profiles, a first shearing device arranged downstream of the drawing assembly and bending means arranged downstream of the first shearing means. A second shearing device is arranged upstream of at least part of the drawing assembly and is able to shear the profiles to eliminate excess parts thereof.

Abstract: Device (10) to produce reinforcement metal cages comprising a plurality of longitudinal round pieces (13) associated with a plurality of stirrups (12) arranged at intervals along them, said device (10) comprising at least a supporting plane (20) on which said cage is progressively formed able to support rods (30) which complete the cage (11), lifting means (31, 32, 33a, 33b) being provided along said supporting plane (20) to keep said rods (30) raised at least during the advance of the cage (11) which is progressively formed and to allow said rods (30) to be inserted inside the perimeter of the stirrups (12).

Abstract: Perfected bending system for bending machines including a working plane (19) cooperating with at least a drawing device (12) including one or more pairs of rolls (15), the rolls (15) having at least a working position ("I") wherein they are closed on the round piece (11) in order to feed it forward, the drawing device (12) cooperating with at least one bending assembly (13b) arranged downstream thereof and with at least one shearing assembly (14), the system providing that, at the end of the feeding and positioning step of the round piece (11) in correspondence with the relative bending assembly and before the bend is made, the rolls (15) of the drawing device (12) are temporally arranged in an open position ("II") where they do not interfere laterally and are not in contact with the round piece (11) so as to allow the already bent portion located beyond the bending assembly to fall onto the working plane (19), returning subsequently to the closed working position ("I") before the bending is carried out.

Abstract: Device to compensate the elongation of two or more wire rods or round bars on machines fed with two metallic wire rods or round bars of iron or alloys thereof of a type for building work, the machines being, for instance, bending/shaping machines, the device comprising a pair of opposed rolls (12), namely an upper roll (12a) and a lower roll (12b) respectively, the rolls (12) defining between them respective inner (17a) and outer (17b) passes (17), with which the wire rods passing through cooperate, at least one (12a) of those rolls (12) being able to move substantially parallel to itself on a plane containing the axes of the rolls (12), the rolls (12a-12b) having respective shafts (15a-15b) each of which is fitted to a relative support (13), namely to respective upper (13a) and lower (13b) supports, the other roll (12b) being able to move in a controlled rocking manner on the plane containing the axes of the rolls (12) and being adjusted by a bottom positioning screw and a return spring (22).