Semi-automatic press for mechanical assembly

The invention belongs to machinery production technological devices and particularly relates to a semi-automatic press for mechanical assembly. A pneumatic control system (26) and an electrical control system (27) are fixedly mounted on a lower framework (25), a work panel (11) is fixedly mounted at the upper end of the lower framework (25), an optoelectronic switch (8) a safety limited post (30), an upper framework (12) and four guide optical axes (4) are respectively and fixedly mounted on the work panel (11), a gas-liquid pressurized cylinder (13) is fixed on an upper fixed plate (2), a pressure head (7) used for mounting a workpiece in a pressing mode is fixed below a movable guide plate (6), a press block (20) used for triggering a sensor is fixed on one side face of the movable guide plate (6), and a fixture (9) is fixedly mounted at a place, corresponding to the pressure head (7), in the middle of the upper face of a lower fixed plate (10). The semi-automatic press for the mechanical assembly is reason