A rolling finishing method for hot-rolled steel

Abstract

The invention relates to a rolling finish machining method for hot rolled ribbed bar hot rolling manufacturing. The method is characterized in that a base, a feeding unit, finish machining units and awater cooling device are involved, the feeding unit is mounted at the upper end of the base, the finish machining units are mounted on the inner walls of the left end and the right end of the base, and the water cooling device is mounted at the left end of the base. According to the provided rolling finish machining method for hot rolled ribbed bar hot rolling manufacturing, finish machining treatment of surface lines is carried out on a hot rolled ribbed bar subjected to hot rolling, so that impurities and burrs are removed, the problems that the burrs affect attractiveness, and meanwhile, workers are prone to being scratched and hurt in the using process are solved, a finish machining mechanism is cleaned while the hot rolled ribbed bar is water cooled through the water cooling device,so that the situation that due to the fact that the impurities such as the burrs scratch the surface of the hot rolled ribbed bar, the attractiveness is affected is prevented.

Description

technical field [0001] The invention relates to the technical field of sheet material processing, in particular to a method for hot-rolling, manufacturing, and rolling finishing of rebar. Background technique [0002] Rebar is a common name for hot-rolled ribbed steel bar. The grade of ordinary hot-rolled steel bar is composed of HRB and the minimum yield point of the grade. H, R, and B are the English initials of the three words Hotrolled, Ribbed, and Bars, respectively. Rebar is an important building material, which is widely used in the construction of houses, bridges, roads and other civil engineering. my country is a big producer of rebar, with an output of 131 million tons in 2010, accounting for more than 70% of the global output. At present, our country is at the peak of modernization construction, housing and infrastructure construction is booming, which strongly supports the pace of social modernization. [0003] However, there are following problems in the exist...

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Problems solved by technology

[0003] However, there are following problems in the existing threaded steel processing process: one, after the threaded steel is water-cooled, there are often protrusions such as impurities and burrs between the rib lines, which affect the appearance, and are easy to scratch the workers during use. 2. It is often difficult to clean the inner wall of the finishing equipment for rebar, which makes it difficult to remove impurities and burrs, which makes the surface of rebar scratches

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