| 摘要 |
PURPOSE:To easily replace components by reducing in size particularly a moving part, expediting an operation, and simplifying rail means for guiding the movement of molds and guide shafts in structures. CONSTITUTION:A pair of actuators 2 and side plates 4 are oppositely disposed on the upper surface of a base 1, and rail means 5 having two parallel rails are provided on opposed surfaces of the plates 4. A main shaft 6c for supporting a frame and transmitting powers of the actuators 2 and a plurality of guide shafts 6d, 6e engaged with inner surfaces of the rails to be brought into contact with the inner surfaces of the frame externally protrude from both side surfaces of the frame fixed at one mold to the lower surface. The motions of the actuators 2 are transmitted to the shaft 6c, and the frame 6 is moved along the rails of the means 5 to switch the molds. |
