Integral oil nozzle core of diesel engine cylinder cover and core manufacturing mold thereof

• Main Authors: LIU ZHAOPENG, DONG YANGANG, HOU GUILIN, SHI JUNJIE, XUE SHAOHUA, SI XIAOLONG, CUI JINGXU
• Format: Patent
• Language: Chinese; English
• Published: 02.06.2023
• Subjects: CASTING; FOUNDRY MOULDING; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The invention belongs to the technical field of engines, and discloses an integral oil nozzle core of a diesel engine cylinder cover and a core making mould thereof, the integral oil nozzle core comprises a large oil nozzle core and an oil nozzle small hole core, the large oil nozzle core and the oil nozzle small hole core are integrally formed, the oil nozzle small hole core is of a circular truncated cone structure, and the large oil nozzle core and the oil nozzle small hole core are integrally formed. The included angle between the side face of the oil nozzle small hole core and the length direction of the large oil nozzle core is 80 degrees. A mold cavity of the core-making mold is arranged in a 10-degree inclined mode, and an included angle between the length direction of an integral oil nozzle core and a parting surface is 10 degrees, wherein the integral oil nozzle core and the large oil nozzle core are formed in the mold cavity. The small hole core of the oil nozzle is designed to be of the circular t