Low-pressure casting sprue heating device

• Main Authors: YE JINRUI, WU JIANBIAO, XIE BIAO, YE JUELEI, LIU ZHIHONG
• Format: Patent
• Language: Chinese; English
• Published: 06.06.2023
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The utility model discloses a low-pressure casting pouring gate heating device which is characterized in that a base is arranged on a mold, a groove is formed in the top of the base, a circular groove is formed in the groove, a pouring gate is arranged in the circular groove, and the pouring gate is arranged in the circular groove. The heating assembly comprises a heating pipe which is arranged in the circular groove and surrounds the periphery of the pouring gate, a flow dividing pipe communicated with the heating pipe, a fuel gas ring pipe and an air ring pipe, the fuel gas ring pipe and the air ring pipe are communicated with the flow dividing pipe, and fire-jet heads communicated with the heating pipe are evenly arranged on the inner ring of the heating pipe; compared with a traditional low-pressure casting sprue heating device, the low-pressure casting sprue heating device ignites the fire-jet head through the igniter, the heater assembly continuously heats the sprue in the liquid lifting process, a soli