Make things convenient for motor casing disappearance mould of drawing of patterns

• Main Authors: LIU HUIHUANG, YU RUIMAO
• Format: Patent
• Language: Chinese; English
• Published: 19.02.2019
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; FOUNDRY MOULDING; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The utility model discloses a make things convenient for motor casing disappearance mould of drawing of patterns, including movable mould and cover half, the movable mould is provided with first die cavity, and the cover half is provided with the second die cavity, be provided with on the cover half with the communicating feed inlet of second die cavity, gas vent and steam inlet, gas vent and steam inlet are connected with discharge valve and steam valve respectively, the inside of movable mould is provided with the air chamber, and the diapire of first die cavity is provided with the recess,and the bottom of recess is provided with a plurality of air vents that feed through recesses and air chamber, and the drill way department that the air vent lies in recess one end is provided with sealed head, is provided with extension spring in the air vent, and extension spring's one end and sealed head link to each other, and the other end runs through air vent and air chamber and continuouswith the inner wall of air