Horizontal centrifugal pump with cutting function

A horizontal centrifugal pump with a cutting function comprises a base, a motor and a pump body are installed on the base, the motor and the pump body are connected into a whole through a connecting support, the motor is a lengthened shaft extension motor, a shaft extension of the motor penetrates through the connecting support and extends into the pump body to be provided with an impeller, and one side of the impeller is locked through an impeller nut. A cutting disc is arranged in the pump body, a mounting hole matched with the impeller is machined in the middle of the cutting disc, a gap is kept between the mounting hole and the periphery of the impeller, a cutting edge is arranged in the mounting hole, the blades and the cutting edge are matched to cut long fiber substances in the rotating process of the impeller, and a chip cutting groove is machined in the periphery of the cutting disc to discharge the chopped long fiber substances. The spiral cutting device is simple in structure and convenient to main