Contact type aluminum wire continuous annealing method and apparatus

Abstract

The invention discloses a contact aluminium wire continuous annealing method, comprising the following steps of wire drawing, continuous annealing and dual wire collecting. A contact aluminium wire continuous annealing device comprises an aluminium wire large drawing machine, a contact aluminium wire continuous annealer and a dual automatic disc exchanging wire collecting device; the wire feeding end of the contact aluminium wire continuous annealer is connected with the wire output end of the aluminium wire large drawing machine; and the wire output end of the contact aluminium wire continuous annealer is connected with the wire feeding end of the wire collecting device. The contact aluminium wire continuous annealer comprises a power module, a machine shell, at least one wire guiding wheel, at least one drawing wheel, at least one preheating copper contact wheel and at least one annealing copper contact wheel. The aluminium wire produced by adopting the device and the method has the advantages that aluminium wire adhering does not happen after annealing, the softness and hardness of the aluminium wires of the outer layer and the inner layer of the wire coil are consistent, the resistance is consistent, the quality is high, the length is large and the like; the invention can realize assembly line work, save energy, reduce the consumption, and can be widely applied to manufacture electrical wires, electrical cables and large-span overhead aluminium wires which use carbon fiber as a strengthening core.

Description

technical field [0001] The invention belongs to the technical field of wire and cable manufacturing, and in particular relates to a contact type aluminum wire continuous annealing method and equipment. Background technique [0002] In the production process of aluminum wire, the conductor material of electric wire and cable, for some specifications of products, the aluminum single wire drawn into aluminum Φ1.35-6mm must be recrystallized and annealed to rearrange the crystal lattice of the metallographic structure of the aluminum wire , to eliminate internal stress, improve toughness and improve electrical conductivity. However, the traditional aluminum wire annealing in the past is to transfer the Φ1.35-5mm aluminum single wire produced by the aluminum drawing machine into coils or bundles into a separate resistance annealing furnace process for annealing, and then transfer to the next process for application. Its resistance annealing furnace can generally anneal 1 ton of ...

AI Technical Summary

Problems solved by technology

Especially if the aluminum wire of the surface layer is too soft to be used when producing a large aluminum wire with a diameter of Φ800mm, the aluminum wire of the inner layer may not meet the requirements of annealing and softening

Even if a series of measures such as lowering the temperature and extending the heating and holding time are taken, it is not easy to achieve consistency, so the quality of the annealing of the resistance furnace aluminum wire is very difficult to guarantee and control

Images