Metal rolling device

Abstract

The invention relates to a metal rolling device. The metal rolling device comprises a rolling workbench, a cooling mechanism and a protective cover in a closed state; a metal workpiece is rolled on the rolling workbench, a cooling chamber is formed in the protective cover, the cooling mechanism comprises a refrigerator, a refrigerating chamber, an output pipeline, a cold air blowing nozzle, an airblower, moisture absorbers and a backflow pipeline, and the refrigerator is fixedly assembled in the refrigerating chamber; and the refrigerating chamber, the output pipeline, the cold air blowing nozzle, the cooling chamber and the backflow pipeline sequentially communicate end to end to form a closed circulation loop, the moisture absorbers are fixedly assembled on the inner wall of the outputpipeline and the inner wall of the backflow pipeline correspondingly, and the air blower drives heat absorption air to continuously and circularly flow in the circulation loop in a one-way mode. According to the rolling device, gas serves as a heat exchange medium, the flow speed is high, the impact on a workpiece is small, the gas can make direct contact with all the outer surfaces inside and outside the workpiece to conduct timely and rapid heat exchange, the temperature difference of all parts of the workpiece is reduced, stress formed by the temperature difference inside a product can be eliminated to the maximum extent, and the product performance and quality are guaranteed.

Description

technical field [0001] The invention relates to the field of steel rolling equipment, in particular to a metal rolling device with low-humidity cooling. Background technique [0002] Steel rolling is a pressure processing process that changes the shape of steel ingots and billets between rotating rolls. The purpose of steel rolling is the same as other pressure processing. On the one hand, it is to obtain the required shape, such as steel plate, strip steel, wire rod and various types of steel; On the one hand, in order to improve the internal quality of steel, our common automobile plates, bridge steel, boiler steel, pipeline steel, rebar, steel bar, electrical silicon steel, galvanized sheet, tinned sheet, including train wheels are all processed by steel rolling process from. [0003] In steel rolling processing, it is often necessary to cool down the surface temperature of the workpiece. The existing cooling devices mostly use water as the heat-absorbing medium of spray...

AI Technical Summary

Problems solved by technology

[0004] The invention provides a metal rolling device to overcome the problems that the surface of the rolled workpiece is easy to rust, corrode and adhere to residues, which affects the product quality of the workpiece and the cooling effect is not ideal in most existing steel rolling devices.

Images