Cutting machine convenient to adjust

The cutting machine convenient to adjust comprises a clamping plate, a bottom plate and a connecting block, the clamping plate is clamped to the top of a limiting block, the limiting block is in lap joint with the tops of auxiliary blocks, the auxiliary blocks are clamped to the top of the bottom plate and are in sliding connection with the bottom plate, and the number of the auxiliary blocks is two; the connecting block is clamped at the bottom of the transverse plate and is rotationally connected with the transverse plate, a mounting frame is fixedly connected to the bottom of the connecting block, a cutting wheel is sleeved with the mounting frame, and the cutting wheel is rotationally connected with the mounting frame. A clamping plate and a limiting block can improve the limiting effect on the sectional material, an adjusting wheel and a rack can adjust the height of the sectional material, the sectional material makes contact with a cutting wheel conveniently to achieve cutting, the sectional material m