Casting method of titanium-copper alloy explosion-proof material

The invention discloses a casting method of a titanium-copper alloy explosion-proof material, and relates to the technical field of casting. The alloy explosion-proof material comprises the following components in percentage by mass: 45-50% of titanium, 25-30% of copper, 10-15% of zinc, 5-10% of nickel, 0.05% of beryllium, 0.01% of indium, 0.3% of niobium and 0.01% of silicon, the casting method of the titanium-copper alloy explosion-proof material is based on a vacuum consumable electrode arc melting technology and comprises a preparation period, an arc striking period, a melting period, an arc stopping pouring period and a casting cooling step, and the preparation of an arc consumable electrode comprises the following steps: S101, mixing the materials; the preparation method comprises the following steps: weighing high-purity metal powder with the purity of more than 99.95% according to a formula proportion, and mixing in a mixer for 2-5 hours; and S102, pressing is conducted, specifically, the treated mixe