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

Claim 5:
6. The die according to claim 4, wherein the fixed mold is provided with a core-pulling mechanism action cavity and the left crank and the right crank are hinged in the core-pulling mechanism action cavity; wherein teeth are arranged on the outer edges of the left water inlet channel mold core and the right water inlet channel mold core; herein the left and right water inlet channel core-pulling mechanisms comprise, wherein the fixed mold is provided with a left rack chamber and a right rack chamber, the left rack chamber is internally provided with a left rack and the right rack chamber is provided with a right rack, wherein the fixed mold is provided with a left pinion chamber and a right pinion chamber the left pinion chamber is provided with a left pinion shaft having a left pinion, and the right pinion chamber is provided with a right pinion shaft having a right pinion, wherein the left pinion is meshed with the left crank and the right pinion is meshed with the right crank, and wherein the left rack chamber is communicated with the left pinion chamber and the left rack is meshed with the left pinion, while the right rack chamber is communicated with the right pinion chamber and the right rack is meshed with the right pinion.