Upper Mold of Bucket Tooth Precoated Sand Mould

Upper Mold of Bucket Tooth Precoated Sand Mould

A kind of upper mold of bucket tooth precoated sand mould, belongs to engineering machinery production field, including cope plate, upper levorotation chamber, left sand inlet, mounting hole, upper middle cavity, middle sand inlet, upper right cavity, right sand inlet, location hole, venthole；The cope plate is located at the periphery of upper impression；The upper levorotation chamber is located at the inside left of cope plate；The left sand inlet is arranged on the cope plate on levorotation chamber top；The mounting hole is arranged on cope plate；The upper middle cavity is located in the middle part of the inside of cope plate；The shape of the upper middle cavity is identical with the shaped upper part of arenaceous shell left-half；The middle sand inlet is arranged on the cope plate on middle cavity top；The upper right cavity is located at the inner right side of cope plate；With the production that can efficiently realize bucket tooth blank, material and artificial, reduction machining amount are saved, the characteristics of reducing casting flaw, improve yield rate, easily realize automated production.

Upper Mold of Bucket Tooth Precoated Sand Mould

A kind of 1. upper mold of bucket tooth precoated sand mould, it is characterised in that：Including cope plate, upper levorotation chamber, left sand inlet, installation Hole, upper middle cavity, middle sand inlet, upper right cavity, right sand inlet, location hole, venthole；The cope plate is located at upper impression Periphery, is made of steel material；The upper levorotation chamber is located at the inside left of cope plate；The shape of the upper levorotation chamber with Partial shape is identical on the die joint of sand core；The size of the upper levorotation chamber is equal to the outer of the part on the die joint top of sand core Shape size adds the design thickness of sand core；The left sand inlet is arranged on the cope plate on levorotation chamber top, with upper levorotation Intracavitary portion connects；The mounting hole is arranged on cope plate, is matched with the installing plate of automatic arenaceous shell forming machine；It is described it is upper in Cavity is located in the middle part of the inside of cope plate；The shape of the upper middle cavity is identical with the shaped upper part of arenaceous shell left-half；Institute The size for the upper middle cavity stated is equal to the design thickness of the appearance and size plus arenaceous shell on the top of arenaceous shell left-half；In described Sand inlet is arranged on the cope plate on middle cavity top, is connected with upper medium-sized intracavitary portion；The upper right cavity is located at upper mold The inner right side of plate；The shape of the upper right cavity is identical with the shaped upper part of arenaceous shell right half part；The upper right cavity Size be equal to arenaceous shell right half part top appearance and size add arenaceous shell design thickness；The right sand inlet is arranged on On the cope plate on upper right cavity top, with being connected inside upper right cavity；The location hole is located on cope plate, with bucket tooth overlay film After location hole alignment in the lower template of the lower die of sand mo(u)ld tool, its interior chamber size forms arenaceous shell and sand core size adds arenaceous shell and sand Core thickness；The venthole is arranged on cope plate, and the overflow ducts between upper middle cavity and upper right cavity connect.

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