Production line for continuous-extrusion, continuous-rolling and temperature-control production of magnesium alloy products

Abstract

The invention discloses a production line for continuous-extrusion, continuous-rolling and temperature-control production of magnesium alloy products. The production line comprises an extruder, an alignment pinch roll arranged at the outlet position of the extruder, an alignment pinch roll face heating device heating the roll face of the alignment pinch roll, a tension pinch roll arranged at the downstream position of the alignment pinch roll, a tension pinch roll face heating device heating the roll face of the tension pinch roll, a multi-rack temperature control continuous rolling mill, roller face heating devices, heat conveying rollers, plate strip heating devices and a control unit, wherein the multi-rack temperature control continuous rolling mill is provided with multiple racks, andthe racks are correspondingly provided with rollers; the roller face heating devices correspond to the rollers so as to heat the rollers; the heat conveying rollers correspond to the racks and are arranged at the upstream positions of the racks; the plate strip heating devices correspond to the racks and are arranged at the upstream positions of the racks; and the control unit is connected with the alignment pinch roll face heating device, the tension pinch roll face heating device, the roller face heating devices, the heat conveying rollers and the plate strip heating devices so as to control the heating process of the alignment pinch roll face heating device, the tension pinch roll face heating device, the roller face heating devices, the heat conveying rollers and the plate strip heating devices.

Description

technical field [0001] The invention relates to a production line, in particular to a production line for producing magnesium alloy products. Background technique [0002] With the development of global urbanization and industrialization, the number of vehicles and aircrafts has increased rapidly. However, this brings great challenges of energy consumption and low-carbon development. Lightweight is an effective means to reduce vehicle energy consumption and reduce carbon emissions. Magnesium alloy is a light metal structural material, and the density of pure magnesium is 1.74g / cm 3 , which is only 1 / 4 of steel and 2 / 3 of aluminum, so the use of magnesium alloy to make parts has a significant weight reduction effect and can significantly reduce energy consumption. [0003] In recent years, the demand for magnesium alloy sheets has been increasing in the fields of aerospace, automobiles and rail transit. Magnesium alloys have good hot extrusion plasticity, and extrusion is...

AI Technical Summary

Problems solved by technology

In the technical solution disclosed in this patent document, the reciprocating tension-free rolling method of single-stand multi-pass repeated biting has the following disadvantages: ① The repeated biting method will inevitably lead to low dimensional accuracy in the thickness direction, and the plate ② The result of tension-free rolling is poor plate shape, uneven, easy warping, and waves; The required production line is very long; ④ Repeated biting, frequent start and stop of the rolling mill leads to low production efficiency

However, how to generate metal coils, especially magnesium coils that need to be coiled within a certain temperature range, is not involved in the technical solution disclosed in this patent document.

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