Squeeze casting punch cooling device

Abstract

The present invention discloses a squeeze casting punch cooling device. The squeeze casting punch cooling device comprises an upper punch, a lower punch, a heat pipe and a push rod. The upper punch and the lower punch are coaxially installed, a water storage area is formed between the upper punch and the lower punch, the push rod is installed on the lower portion of the lower punch, the evaporation end of the heat pipe is installed in the upper punch, and the condensation end of the heat pipe is located in the lower punch. According to the invention, the extremely strong heat dissipation performance of the heat pipe is utilized, the heat of the upper punch is quickly transferred to the outside of the heat pipe through the heat pipe, the heat conduction capacity of the heat pipe exceeds theheat conduction capacity of any known metal, cooling water is introduced into the upper punch to accelerate cooling of the upper punch, and a water outlet and a water inlet are formed, by controllingthe hole diameter, cold water leakage is effectively avoided, the cooling time is saved, uniform heat dissipation is facilitated, the temperature of the punch is effectively controlled, and the stability of squeeze casting is greatly improved.

Description

technical field [0001] The invention relates to the technical field of squeeze casting equipment, in particular to a cooling device for squeeze casting punches. Background technique [0002] Squeeze casting equipment is the key equipment to realize the squeeze casting process and ensure the forming quality of parts. Among them, the injection mechanism is the core component of the squeeze casting equipment. It is an important device for pushing the molten metal into the mold cavity and maintaining the pressure for molding. The injection mechanism directly affects the forming quality of the casting. It is mainly composed of the pressure chamber, punch and Composition of putters. In the continuous production process, in order to ensure the quality of the product and the stability of the casting process, the gap between the pressure chamber and the punch must be controlled within a reasonable range. The key is to control the expansion of the punch parts in the mechanism due to ...

AI Technical Summary

Problems solved by technology

[0004] 1. The temperature at the center of the punch axis is low, while the surrounding temperature is high, which can easily cause the punch to be unevenly cooled and heat, and the service life will be reduced;

[0005] 2. In the squeeze casting process, personnel are required to control the water flow process in real time, and there is only one water channel. After the water flow, the water flow can only be stopped and the next water flow can only be performed after the cold water flows out completely, which reduces the efficiency and has Certain risks also have a certain impact on the stability of the injection process

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