Intelligent copper pipe online annealing equipment and control method thereof

Abstract

The invention relates to intelligent copper pipe online annealing equipment. The intelligent copper pipe online annealing equipment comprises a machine body and further comprises a heating device, a cooling device and a conveying device which are connected with the machine body, wherein the heating device comprises an eddy current coil and a power supply device electrically connected with the eddy current coil, and a heating channel for materials to pass through is formed in the eddy current coil; the conveying device is used for driving the materials to pass through the heating channel; a preheating tube and a preheating assembly are arranged on the portion, located on the feeding side of the eddy current coil, of the machine body, the preheating assembly is used for heating materials passing through the preheating tube, a temperature measuring sensor used for measuring the temperature of the materials is arranged on the side, away from the eddy current coil, of the preheating tube, and a controller used for receiving temperature signals of the temperature measuring sensor is connected to the temperature measuring sensor; and the controller is connected with the preheating assembly so as to respond to the temperature signal to control the preheating temperature of the preheating assembly. The intelligent copper pipe online annealing equipment has the effects of reducing the influences of the external temperature on the quality of an annealing material.

Description

technical field [0001] The present application relates to the field of copper tube annealing, in particular to an intelligent copper tube online annealing device and a control method thereof. Background technique [0002] Annealing is a metal heat treatment process, which refers to heating the metal to a certain temperature, keeping it for a sufficient time, and then cooling it at an appropriate speed. The purpose is to reduce hardness to improve machinability; reduce residual stress to stabilize dimensions, reduce deformation and crack tendency; refine grains, adjust organization, and eliminate organizational defects. [0003] At present, the annealing treatment is generally completed by an annealing furnace, and the general annealing furnace adopts the method of eddy current heating for online annealing. During online annealing, metal materials such as copper tubes pass through the channel formed by the energized coil and move at a set speed. At the same time, an alternat...

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Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that when the external environment temperature changes greatly, the initial temperature difference before metal materials such as copper pipes enter the channel formed by the coil is relatively large, which will easily cause the quality of the material to decline after annealing, and there is a problem of material annealing. Defects of declining quality

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