Machine set for shaping a longitudinally welded pipe with an extra large diameter

摘要

Machine set for shaping a longitudinally welded pipe with an extra large diameter, the machine set for shaping the longitudinally welded pipe having an edge and recess bending device (1), a shaping machine with support rollers (2) and a plate frame-like shaping machine (3), which according to a Shaping process for the longitudinally welded pipe with an extra large diameter are arranged in sequence, the edge and recess bending device (1) comprising a machine seat (1.1), a drive roller centering device (1.2) and a plurality of edge bending devices (1.3), the electrical drive roller centering device (1.2) is arranged on the machine seat (1.1) and the plurality of edge bending devices (1.3) is arranged distributed behind the drive roller centering device (1.2) in order to correspond to different cross-sections of a strip-shaped workpiece (1.18) in an edge bending process, the workpiece (1 .18) after forming by edge bending with the edge and recess bending device (1) is placed in the open forming machine with support rollers (2), which links an outer roller device (2.1) and an inner roller (2.4), with multiple sets of support roller devices which make up the outer roller device (2.1), each set is symmetrically divided into a left support roller device and a right support roller device, which are connected to a base (2.7) via inclined support beams (2.9), each of the support roller devices having an inclined support beam ( 2.9), an adjusting screw (2.10), a groove (2.11), a support roller cross member (2.12) and a small roller (2.13), the adjusting screw (2.10) connected to the groove (2.11) being arranged on the inclined support beam (2.9) and wherein the groove (2.11) is connected to the support roll cross member (2.12), to which a plurality of the small rolls (2.13) is articulated, so there ss the small rollers (2.13) of each set of the backup roller devices touch a correspondingly curved edge surface of the workpiece (1.18), the plate frame-like forming machine (3) with three or more plate-like, rigid frames and with gear devices for the on a base (3.1) located drive rollers is equipped, each of the plate-like rigid frame a machine frame body (3.2), an upper horizontal roller device (3.4), an upper horizontal roller adjusting device (3.5), a sliding seat (3.10), a support plate (3.11), a hydraulic cylinder (3.12 ), a lower horizontal roller device (3.6), a lower horizontal roller adjusting device (3.7), a lateral vertical roller device (3.8) and a lateral vertical roller adjusting device (3.9), the machine frame body (3.2) being an integrated structure which is formed by two plate bodies is formed, which verbu with each other The upper horizontal roller device (3.4), which comprises a receiving shaft (3.13), a bearing receptacle (3.14) and a horizontal roller (3.15), is mounted in an upper running rail of the machine frame body (3.2), which is connected to an upper one Part of the workpiece (1.18) covers, the upper horizontal roller setting devices (3.5), which are driven by electric twin screw shafts, are mounted on both sides of an upper part of the central axis of the upper horizontal roller device (3.4), the lower horizontal roller setting device (3.7) , which is driven by an electric double worm shaft and comprises a take-up shaft (3.13), a bearing receptacle (3.14) and a horizontal roller (3.15), is mounted in a lower running rail of the machine frame body (3.2), which is connected to the upper horizontal roller device (3.4 ) covers, with upper ends of two threaded spindles in the lower horizontal n roller setting device (3.7) are connected to the support plate (3.11) and, one surface of the support plate (3.11) is provided with the sliding receptacle (3.10), a rear end of the support plate (3.11) with the hydraulic cylinder (3.12) for driving the Sliding receptacle (3.10) is provided in order to move it along the support plate (3.11), the lower horizontal roller device (3.6) being mounted symmetrically to the upper horizontal roller device (3.4) on the surface of the sliding receptacle (3.10), with both lateral vertical roller devices (3.8) are mounted symmetrically to each other on the machine frame body (3.2) correspondingly on both sides of the workpiece (1.18) and, both lateral vertical roller devices (3.8) symmetrically to each other are equipped with the two lateral vertical roller adjusting devices (3.9), which are powered by electric double screw shafts are driven.