The application relates to the field of plastic particle preparation and discloses a preparation device and a preparation method for ABS modified plastic particles, which comprise a frame body, a fusion
extrusion cylinder and a material mixing cylinder arranged at the upper end of the frame body, one end of the fusion
extrusion cylinder is fixedly connected with an
extrusion head, the inside of the extrusion head is movably connected with an extrusion disc, a plurality of extrusion holes are arranged on the surface of the extrusion disc, and one end of the extrusion head is provided with a
cutting assembly; the
cutting assembly comprises a movable disc movably connected to the outside of the extrusion head through a first hydraulic oil cylinder, a material taking cylinder and a motor are fixedly connected to one side of the movable disc, the output shaft of the motor penetrates to one side of the extrusion disc and is fixedly connected with a cutter, and the material taking cylinder can penetrate into the inside of the extrusion hole; equal amounts of materials are taken through the material taking cylinder, and the materials are
cut by the rotation of the cutter, so that the materials are
cut off in the inside of the material taking cylinder; since the materials are wrapped by the material taking cylinder when being
cut off, the materials are not prone to deformation when being cut, and the cut edges of the materials
cut off in the inside of the material taking cylinder are smooth.