Copper foil blank plate cutting device and cutting method thereof

The invention belongs to the technical field of copper foil blank plate processing, and provides a copper foil blank plate cutting device and a cutting method.The copper foil blank plate cutting device comprises a feeding part used for being connected with a blank plate winding drum, the feeding part comprises two limiting mechanisms, the two limiting mechanisms are fixedly connected to the two sides of the top of a frame respectively, and the blank plate winding drum is rotationally connected between the two limiting mechanisms; the material guiding part comprises a material guiding mechanism, the material guiding mechanism is arranged at the bottom of an inner cavity of the frame, and the end of a copper foil blank plate on the blank plate winding drum sequentially penetrates through a transmission mechanism and the material guiding mechanism; a cutting mechanism is arranged on the side, close to the transmission mechanism, of the top face of the material guiding mechanism, and a material taking mechanism i