| 摘要 |
PURPOSE:To move a dog at metal die set position and to seat a truck with rocking of a lever member by providing a rotary body in the intermedium of the lever member having the fulcrum shaft at the metal die set position and by providing the downward projecting dog to regulate the rocking of the lever member on the ceiling of the bolster bearing truck. CONSTITUTION:A dog 53 is made in the state of the left half by driving a fluid pressure device 55 in case of the metal die change. The dog 53 then performs the action of wedge between backing plate 57 and lever member 29 and the moving bolster 13 placing the metal die on board gets on the rail 9 of the above of table 9 via wheel 13 and becomes movable in before and behind directions. The moving bolster 13 is then moved upto the above of the front part auxiliary table 15 by turning the wheel 31 with the driving of reversible motor 33 with brake. The dog 53 is moved at this position of form the state of the right half and the moving bolster 13 is descended to seat on the auxiliary table 15.
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