| 摘要 |
<p>PURPOSE:To provide a simple and economical mold forming device by providing a hopper device and a gushing device respectively to the forward end of a rotary arm and enabling the turning of the part right above a match plate capable of going in and out alternately. CONSTITUTION:A hopper device 9 provided with a blow plate 10 having plural blow holes 10a for molding sand on the bottom surface and a gushing device attached with opening/closing pawls 17 for holding a casting flask to a vertically movable gushing cover 13 provided which is opened on the bottom surface and is provided therein with a hollow part 13a communicated and connected with a device for generating a curing gas are provided freely and alternately movable in and out in the part right above a suction box 3 which is opened on the top surface and is provided therein with a hollow part 3b communicated and connected with a evacuating device. More specifically, an L shaped rotary arm 6 is turned to move the hopper device and the gushing device alternately into and out of the part right above the match plate 4.</p> |
