Irregular part and thin plate sharing type vertical recessing machine

The invention relates to a vertical recessing machine, in particular to an irregular part and thin plate sharing type vertical recessing machine. The irregular part and thin plate sharing type vertical recessing machine comprises a lathe bed, a beam arranged on the lathe bed, a feeding assembly mounted on the lathe bed, a tool rest assembly capable of sliding left and right along the beam, and a plurality of pressure feet which are arranged on the lathe bed, wherein the feeding assembly comprises a movable frame, a linear drive device and a plurality of clamping mechanisms; each clamping mechanism comprises a lower clamp body, an upper clamp body and a clamping oil cylinder, wherein a circular-arc slot is formed in the front end of the upper clamp body, a rotary column can be rotatably arranged in the circular-arc slot, the lower end of the upper clamp body is equipped with a limiting plate, a limiting through slot is formed in the limiting plate, three or more engaged strips are transversely arranged on the