Cooling controllable heat treatment production equipment

Abstract

The invention relates to cooling controllable heat treatment production equipment, which comprises a solid melting furnace (1) and a quenching chamber, and also comprises a CO2 circulation supply system and an intelligent control system, wherein the quenching chamber is a high-pressure container and is connected with the CO2 circulation supply system to form circulation through a high-pressure pipeline; the intelligent control system is respectively separately connected with a valve of the high-pressure pipeline, a thermocouple of the quenching chamber and the a pressure sensor, and is used for controlling the cooling speed of a workpiece in the quenching chamber. Compared with the prior art, the equipment has the advantages that through the connection of the intelligent control system, the CO2 circulation supply system and the quenching chamber, the flow rate of CO2 high pressure gas or supercritical fluid gas is controlled; some problems of the existing cooling stage after the aluminum alloy solid melting treatment, including such as the problems of partial decomposition of solid solutions due to insufficient air cooling speed, the problems of deformation scattering differences due to air cooling air flow direction, flow rate and workpiece placement position changes, and the problems of deformation or even cracking due to stress generated by of complicated structurestructurecomplication elements caused by stress due to too high water cooling speed can be solved.

Description

technical field [0001] The invention relates to heat treatment production equipment, in particular to heat treatment production equipment with controllable cooling. Background technique [0002] Aluminum alloy is widely used in various industries due to its low density and high specific strength. Now passenger car engines are mostly cast from aluminum alloys. With the improvement of automobile energy saving, emission reduction and environmental protection requirements, when automobile companies design complete vehicles, on the one hand, they use a large number of aluminum alloy structural parts for lightweight design, and on the other hand, they reduce the size of key components such as engines. For example, many engine factories integrate exhaust pipes or timing covers on the engine cylinder head. In this way, the size of the cylinder head can be reduced, and the efficiency of the engine can be improved by means of supercharging, which makes the service conditions of the ...

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Problems solved by technology

However, because the structural design of this cylinder head is relatively complicated, if water is used as the quenching cooling medium after solution treatment, the cylinder head will generate a large internal stress due to the fast water cooling speed, resulting in def...

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