Lost-foam casting device
A technology of lost foam and foam model, applied in the field of casting modeling, can solve the problems of low compliance rate and insufficient compactness of castings, and achieve the effect of improving compliance rate and ensuring integrity
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[0014] The present invention will be described in further detail below by means of specific embodiments:
[0015] The reference signs in the drawings of the description include: box body 1 , molding sand 2 , body 3 , rope groove 4 , rubber bag 5 , expansion block 6 , and hanging ring 7 .
[0016] The embodiment is basically as attached figure 1 , figure 2 Shown: a lost foam casting device, including a box 1, molding sand 2 and an elevator sheave-like foam model, the molding sand 2 fills the box 1, the foam model is placed inside the molding sand 2, and the foam model includes a body 3 and Rope groove 4, box body 1 is connected with a filling layer matching rope groove 4 through iron chains, the filling layer includes sand layer and rubber bag 5 from inside to outside, rubber bag 5 is filled with molding sand, and molding sand 2 is filled with rubber bag 5 forms a whole for extruding the sand layer, and the sand layer fills the rope groove 4 to improve the compactness betwee...
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