Aluminum alloy die-casting die with pressure balance structure

By introducing a pressure balance structure and preheating system into the aluminum alloy die-casting mold, the problems of scalding, bubbles and demolding damage during the die-casting process are solved, and a safer and more uniform die-casting effect and faster cooling process are achieved.

CN119681230AInactive Publication Date: 2025-03-25DONGGUAN DINGHUA PRECISION HARDWARE CO LTD
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Patent Information

Application Number
CN202411802933.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-08
Publication Date
2025-03-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

There are problems such as burning hazards, uneven pressure pressure, and easy damage to castings during the die casting process.

Method used

An aluminum alloy die-casting mold with a pressure balance structure is designed, using a support structure and a pressure balance assembly, preheating the mold through a protective shell, a thermal plate and an electric heating plate, vacuuming is used to improve pressure equalization, and air circulation is controlled through solenoid valves and air pumps to facilitate mold release.

Benefits of technology

It effectively prevents scalding on the mold surface, improves the die-casting effect, reduces the risk of damage of castings during the demolding process, and promotes rapid cooling of castings.

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Abstract

The aluminum alloy die-casting die with the pressure balance structure comprises a supporting structure and a pressure balance assembly, a lower die-casting die is installed in the supporting structure in an embedded mode, and an upper die-casting die is installed in the position, located above the lower die-casting die, in the supporting structure in an embedded mode; the supporting structure comprises a protective shell, a water inlet pipe, four groups of supporting rods, a bottom plate, a water outlet pipe, a heat conducting plate and an electric heating plate, the supporting rods are fixedly mounted at four corners of the upper surface of the bottom plate, the protective shell is fixedly connected to the upper surfaces of the supporting rods, and the electric heating plate is mounted on the inner surface of the protective shell in an embedded manner. A heat conduction plate is embedded in the inner surface of the electric heating plate, and a water inlet pipe is embedded in one side of the lower surface of the protective shell. According to the aluminum alloy die-casting die with the pressure balance structure, protection can be conducted during die-casting, the pressure in the die-casting groove can be kept balanced, and demolding is facilitated.
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