Modified master batch preparation device for polyethylene protective film

The utility model discloses a modified master batch preparation device for a polyethylene protective film, and relates to the technical field of plastic processing. The device comprises a fixing mechanism, a collecting mechanism and a cutting mechanism, the fixing mechanism comprises a fixing frame, a fixing plate is fixedly connected to the interior of the bottom end of the fixing frame along the vertical center line of the fixing frame, sliding grooves are formed in the middles of the inner walls of the two long sides of the fixing frame along the vertical center line of the fixing frame, the collecting mechanism comprises a hydraulic cylinder, a collecting box and a U-shaped plate, and the cutting mechanism comprises a cutting net plate and a handle. One end of the handle is fixedly connected with a cutter. A handle is pushed to drive a cutting knife to transversely cut master batches, finally, a cutting net plate is pressed downwards to drive the cutting net plate to vertically cut the modified master bat