Straightening device for eliminating bending defects of high frequency longitudinal seam welded pipe
A straight seam welded pipe bending technology, which is applied in the field of straightening devices for eliminating the bending defects of high-frequency straight seam welded pipes, can solve problems such as unsatisfactory straightening effects, affecting the surface processing quality and appearance of welded pipes, and solve roll mark defects , Eliminate bending defects and improve quality
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[0026] Such as figure 1 , figure 2 As shown, a straightening device for eliminating bending defects of high-frequency longitudinal welded pipes, including:
[0027] A pressing device with an inverted V-shaped block, a lower V-shaped seat 7, a support trolley 6 and a lower support plate 5;
[0028] The pressing device includes an upper support plate 3, a hydraulic cylinder 1 installed on the frame 2 and an inverted V-shaped block 4, the upper support plate 3 is provided with a through hole, and the threaded shaft head below the hydraulic cylinder 1 passes through the upper The through hole on the support plate 3 matches the built-in thread at the bottom of the inverted V-shaped block 4, and the matching end is fixed by a lock nut I9. The upper support plate 3 is fixed on the frame 2, and the upper support plate 3 is fixed on the frame 8 The lower support plate 5, the middle part of the lower support plate 5 is provided with a lower V-shaped seat 7, and the end of the lower s...
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