Copper alloy continuous extrusion method and special apparatus

Abstract

The present invention relates to a continuous extrusion method of rod material and its equipment. In particular, it relates to a rod material preheating continuous extrusion method. Firstly, said blank material is heated, then is fed into a continuous extrusion equipment, extruded and formed. The equipment described by said invention includes rod material pretreatment device, heating device, oxidation proof protection device and continuous extrusion device which are successively dynamically connected together.

Description

Technical field: [0001] The present invention relates to extrusion methods, especially continuous extrusion methods, and also to extrusion equipment. technical background: [0002] The traditional continuous extrusion method is to send the cold rod blank directly into the continuous extrusion machine. The advantage is that the rod does not need to be heated, which can save energy consumption. The disadvantage is that for some materials with poor plasticity and high deformation resistance, Using cold rod material, due to the low plasticity index of the material, will cause internal cracks in the billet during the extrusion process. At the same time, due to the high deformation resistance of the material, it is difficult for the continuous extrusion tool to withstand excessive extrusion load, resulting in tool damage. Therefore, it is difficult to produce these materials with high deformation resistance and poor low temperature plasticity index by continuous extrusion technolo...

AI Technical Summary

Problems solved by technology

[0002] The traditional continuous extrusion method is to send the cold rod blank directly into the continuous extrusion machine. The advantage is that the rod does not need to be heated, which can save energy consumption. The disadvantage is that for some materials with poor plasticity and high deformation resistance, Using cold rod material, due to the low plasticity index of the material, will cause internal cracks in the billet during the extrusion process. At the same time, due to the high deformation resistance of the material, it is difficult for the continuous extrusion tool to withstand excessive extrusion load, resulting in tool damage

Therefore, it is difficult to produce these materials with high deformation resistance and poor low temperature plasticity index by continuous extrusion technology

Traditional copper alloy copper wire is generally produced by copper rod rolling—annealing—rolling—annealing—drawing—annealing—drawing. Due to the poor plasticity of brass, during the entire production process Multiple annealings are required, thus resulting in a large waste of energy and increased labor intensity

The entire production equipment is backward, the process is complicated, the workshop area is large, and the production cycle is long

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