Overflow prevention structure for aluminum die-casting die of street lamp shell

The utility model discloses an overflow prevention structure of a street lamp shell aluminum die-casting die, and relates to the technical field of dies. Comprising an upper mold body and a lower mold body, the upper mold body is arranged on the lower mold body, an upper mold core is arranged at the bottom of the upper mold body, a circle of jaw boss is arranged in the upper mold core, an upper mold core is arranged at the top of the lower mold body, a circle of anti-overflow jaw is formed in the upper mold core, and the bottom of the jaw boss is embedded into the anti-overflow jaw. And the interior of the jaw boss and the interior of the anti-overflow jaw are combined to form a mold cavity. The upper die body, the lower die body, the jaw boss and the anti-overflow jaw are arranged, the jaw boss is inserted into the anti-overflow jaw, positioning of the upper die core and the lower die core is more reliable, the anti-overflow jaw can prevent rubber materials from being splashed out of the die in the productio