Patent ID: 11892090
Assignee: nan
Field: Other special machines (Mechanical engineering)
Classification: CPC B  F  E | IPC B  E  F

Claim 4:
5. The die according to claim 4, wherein the fixed mold is provided with a crank action cavity, and the left crank and the right crank are hinged in the crank action cavity; wherein the left water inlet channel core-pulling mechanism comprises a left sliding block arranged in a guide rail of the fixed mold, and the left sliding block is fixedly connected with a left connecting rod; wherein one end of the left connecting rod is provided with a left protrusion, which moves in a small chute of the left crank; wherein the right water inlet channel core-pulling mechanism comprises a right sliding block arranged in a guide rail of the fixed mold and the right sliding block is fixedly connected with a right connecting rod; and wherein one end of the right connecting rod is provided with a right protrusion, which moves in a small chute of the right crank.