| 摘要 |
<p>A pattern carrier type die molding machine formed of a molding foundation bed, a frame set cylinder, a lifting support frame, and a segment squeeze type sand compressing hopper, characterized by comprising a pattern changing device and a liftably disposed auxiliary flask with vent hole, wherein the auxiliary flask (62) of a small pattern plate transfer device with auxiliary flask is disposed so as to be lifted by a plurality of upward hydraulic cylinders (63, 63) telescoped through special hydraulic cylinders (64, 65) retracted by external cylinders (68, 69), whereby foundry sand charged into a die molding space formed of a pattern plate and a frame member in die molding is compressed in double steps under the conditions that a lower auxiliary frame is fixed and the lower auxiliary frame and frame member are moved.</p> |
