Press machine for assembling mechanical spacer bush

The invention provides a press machine for assembling a mechanical spacer bush, which comprises a base, a cavity is arranged in the base, a hydraulic pump is arranged in the center of the upper end of the base, the hydraulic pump is connected with a driving rod, the driving rod penetrates through the base and extends into the cavity, the bottom end of the driving rod is movably connected with an upper pressing plate, side grooves are arranged on two sides in the cavity, and sliding mechanisms are arranged in the side grooves. According to the press machine, the upper pressing plate is movably connected with the driving rod and the auxiliary rod, the two sides of the upper pressing plate are movably connected with the sliding blocks in the side grooves through the supporting rods, in addition, the supporting rods are arranged on the two sides of the upper pressing plate so that the supporting rods can be connected with the sliding blocks in the side grooves; the upper pressing plate is movably connected with t