Crankcase pressing machine

The utility model discloses a press-fitting machine for a crankcase. The press-fitting machine comprises a base, a bearing feeding mechanism and an oil seal feeding mechanism are arranged on the base, two press-fitting mechanisms are further arranged on the base side by side, each press-fitting mechanism comprises a press-fitting platform, an oil seal conveying mechanism, a bearing conveying mechanism and a press-fit mechanism, each press-fitting platform comprises a supporting plate and a plurality of guide columns, the guide columns are vertically arranged on the base, and the oil seal conveying mechanisms are arranged on the supporting plates. Guide holes are formed in the positions, corresponding to the guide columns, of the supporting plate, the guide columns penetrate through the corresponding guide holes, check blocks are arranged at the top ends of the guide columns, the guide columns are sleeved with reset springs, the reset springs are located between the supporting plate and the base, a positioning