| 摘要 |
PROBLEM TO BE SOLVED: To provide a press machine in which the simplification of constitution can be achieved.SOLUTION: The press machine includes: a crankshaft provided with an eccentric part; a first horizontal lever as the first horizontal lever having a slot receiving the eccentric part and movable to the longitudinal direction, in which the slot elongates so as to guide the eccentric part to the width direction of the horizontal lever, and to which reciprocating movement to the longitudinal direction is given in accordance with the rotation of the crankshaft; second horizontal levers; a pair of rocking levers as a pair of rocking levers respectively connecting the corresponding edge parts of both the horizontal levers, in which the respective central parts are provided with rocking shafts, and reciprocating both the horizontal levers in respective reverse phases; and a balance weight and a slide connected to both the edge parts of the pair of rocking levers via a pair of link members, respectively and moving to a direction close or separated in accordance with the rocking of the pair of rocking levers. |
