Piston casting mold shaft pin and cooling method for casting piston pin hole

• Main Authors: ZHU YIPENG, YI LYULIN, XIA ZHITAO, WANG YUEFENG, LIAO CONGLAI, ZHENG PENG
• Format: Patent
• Language: Chinese; English
• Published: 26.01.2021
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; FOUNDRY MOULDING; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The invention discloses a piston casting mold shaft pin and a cooling method for casting a piston pin hole. The piston casting mold shaft pin comprises a shaft pin body, wherein a cooling hole, and awater inlet and a water outlet which communicate with the cooling hole are formed in the shaft pin body; one end of the shaft pin body is an open end communicating with the cooling hole, and the otherend of the shaft pin body is a forming end used for casting the piston pin hole; a riser is inserted into the inner wall of the cooling hole, and notches are formed in the upper part and the lower part, located at the forming end, of the riser so that an arc-shaped side plate can be formed on the side part of the riser; the arc-shaped side plate is used for blocking the inner wall of the side part of the cooling hole at the forming end; a water distributor is inserted into the open end, and a water distribution hole communicating with the water inlet is formed in the water distributor; and the water outlet end of the