Square punching device for metal pipe machining

Abstract

The invention provides a square punching device for metal pipe machining, and relates to the field of metal pipes. The square punching device for metal pipe machining comprises a discharging plate, a bent frame is arranged above the discharging plate, a hydraulic cylinder is fixedly connected to the upper surface of the discharging plate, the upper end of the hydraulic cylinder is fixedly connected with the rear end of the bent frame, a concentric sleeve is fixedly connected to the bottom face of the front end of the bent frame, and a drill rod is arranged in the concentric sleeve; and the front end of the bent frame rotationally sleeves the upper end of the drill rod, the outer surface of the concentric sleeve is rotationally sleeved with a telescopic plate, a hollow disc is arranged below the telescopic plate and located on the right side of the drill rod, and the outer surface of the hollow disc is rotationally sleeved with two outer rings. According to the square punching device for metal pipe machining, by arranging the telescopic plate, the upper pipe, the lower pipe, the bottom pipe and the suction cup, after a drill rod forms a square loop on the surface of a metal pipe to be reset, the hollow suction cup ensures that a cut square metal plate cannot fall into the metal pipe, and the interior of the metal pipe cannot be scratched and damaged.

Description

technical field [0001] The invention relates to the field of metal pipes, in particular to a square punching device for metal pipe processing. Background technique [0002] Metal pipe is an indispensable material in petroleum, chemical, medical, food, light industry, mechanical instrumentation and other industries and all walks of life, including iron pipe, steel pipe, stainless steel pipe and aluminum pipe, etc. , so various processing equipment for metal pipes have emerged as the times require. [0003] Drilling is the main step in metal pipe processing. When drilling a square hole on a metal pipe, the drilling device controls the metal pipe to move under the drill rod, so that the short rod drills a square hole above the metal pipe, but the drill hole falls off. The metal plate falling into the metal pipe will easily scratch the inner wall of the metal pipe during cleaning. Contents of the invention [0004] Aiming at the deficiencies of the prior art, the present inv...

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Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a square punching device for metal tube processing, which solves the problem that the metal plate falling off from the drilling will fall into the inside of the metal tube, and the metal plate falling inside is easy to be damaged when cleaning. The problem of scratches forming on the inner wall of metal pipes

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