Resistance weld pipe profile modeling two-sided cutting on-line outer-bur automatic breaking device

Abstract

The invention discloses a resistance weld pipe profile modeling two-sided cutting on-line outer-bur automatic breaking device. The device comprises a support, two arms, a front cross beam, a back cross beam, a knife carriage cross beam and a cutter structure, wherein the support comprises a back support and a bottom support; the two arms are symmetrically arranged on the two sides of the bottom support; the two ends of the front cross beam are arranged on the front side of the arms in a up and down sliding manner, the two ends of the back cross beam are arranged on the back side of the arms in a up and down sliding manner, the back cross beam is also connected with the back support through an oil cylinder; the knife carriage cross beam is fixed between the front cross beam and the back cross beam; and the cutter structure is arranged on the lower end of the knife carriage cross beam. The height of the automatic breaking device of the invention can be flexibly adjusted along with the production pipe diameter to adapt to the change of cutting points; the profile modeling is performed along the surface of the steel pipe in a set radian to ensure that the surface of the cut steel pipe is similar to that of the original steel pipe; cutting is carried out on the two sides of the outer-burs back and forth; the cutting time is controlled to adjust the length of the cut burs; and when the cutter is worn, the cutting depth can be adjusted at any time without stopping machine and changing cutter so as to reach the aim of breaking chips normally and avoid the waste of materials.

Description

technical field [0001] The invention relates to a device for breaking the outer burr of a steel pipe. In particular, it relates to an electric resistance welded pipe profiling double-sided shearing online external burr automatic breaking device with full specification automatic adjustment, double-sided profiling cutting, online uninterrupted work, safe and reliable operation. Background technique [0002] The outer burrs of ERW (resistance welded) steel pipes are formed by the molten metal flowing to the outer surface after being extruded during the welding process, and must be removed before entering the next process after welding. The quality of the removal of external burrs directly affects the final surface quality of the steel pipe. At the same time, due to the characteristics of the process, if the removal is not clean before entering the next process, it will cause irreparable losses. Therefore, if the removal tool is damaged, it must be stopped and replaced, resultin...

AI Technical Summary

Problems solved by technology

This kind of equipment cannot be automatically adjusted when the specification is changed or the tool is worn out. At the same time, the pressing knife is a flat blade, and the radian after cutting cannot be adjusted according to the change of the pipe diameter, which cannot meet the profiling requirements.

There is also a fatal flaw in the knife-pressing method, that is, the adjustment of the indentation depth cannot be adjusted in real time, and can only be adjusted by parking. Every adjustment will waste a lot of time and materials (coils)

If the adjustment is not done properly, the chip will not be broken, and even the surface of the steel pipe will be indented, resulting in the degradation of the steel pipe.

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