Pouring device of big power motor casing

• Main Authors: DAI YUNGANG, LIU CHENGLIN, ZHAI ZHAOWU, CHANG YUNQING
• Format: Patent
• Language: Chinese; English
• Published: 12.04.2017
• Subjects: CASTING; FOUNDRY MOULDING; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The utility model discloses a pouring device of big power motor casing, it includes that the sprue waters and the under casing in, interior watering along the setting of under casing circumference, sprue upper portion is provided with waters the cup, and the intercommunication is watered in with to the bottom, interior watering along the circumference equipartition has a plurality of subchannels, and the shape of cross section upper portion of subchannel is the segment of a circle, and the lower part is isosceles trapezoid, has effectively slowed down the impact, and no closed angle has also been avoided receiving loose the droing of impact to lead to the phenomenon of sand inclusion because of watering the closed angle, subchannel entry end and exit end highly than being 2: 1 produce certain static pressure during the pouring, improved pouring efficiency. 本实用新型公开了种大功率电机机壳的浇注装置，它包括直浇道、内浇道和底箱，所述内浇道沿底箱圆周设置，所述直浇道上部设置有浇杯，底部与内浇道连通，所述内浇道沿圆周均布有若干分流道，分流道的横截面形状上部呈弓形，下部呈等腰梯形，有效减缓了冲击，无尖角，也避免了因浇道尖角受冲击松散脱落导致夹砂的现象，分流道入口端与出