Slitting device for self-adhesive labels

The slitting device comprises a table top, supporting rods arranged on the front side and the rear side of the table top and a top plate connected to the tops of the supporting rods, a vertical rod is connected to the left end of the upper surface of the table top, supporting legs are connected to the left end of the lower surface of the table top, and a connecting block is connected to the outer surface of the top of the vertical rod in a sleeved mode. A mounting plate is connected to the surface of the inner end of the connecting block through a bolt, roller bodies are arranged on the inner side of the mounting plate at equal intervals, mounting rods are inserted into the roller bodies in a penetrating mode, first driving motors are connected to the rear ends of the mounting rods, electric telescopic rods are connected to the surfaces of the front end and the rear end of the connecting plate, and a vertical plate is connected to the lower surface of the connecting plate; a transmission block is installed on