Die-casting die and die-casting method for large-size die casting

• Main Author: FU YONGMING
• Format: Patent
• Language: Chinese; English
• Published: 11.04.2023
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The die-casting die structurally comprises a multi-section temperature control melting cup structure with double liquid feeding ports, a soup ladle with double material pouring ports and a secondary pressurizing punch, and the die is provided with a temperature control balance system and a die core splicing structure of a large die. According to the improved far-end isolated column vertical cinder ladle structure and the tail-adjustable cinder ladle structure, a die-casting method comprises the steps of hot die die-casting die heating, die closing, cinder ladle forming insert block retreating, soup feeding, slow injection, fast injection and die opening and part taking. Normal production die casting comprises the steps of die heating, die closing, cinder ladle forming and quick insert-in, soup feeding, slow injection, quick injection, first punch pressurization, second punch pressurization, die cooling and die opening and piece taking, and the method has the beneficial effects that in the production process,