Modified asphalt mixture device

The modified asphalt mixture device comprises a supporting vehicle body and a stirring barrel, universal wheels are fixedly connected to the four corners of the bottom of the supporting vehicle body, a controller is fixedly connected to one corner of the upper portion of the supporting vehicle body, and rotary supporting plates are fixedly connected to the two sides of one end of the upper portion of the supporting vehicle body; an angle adjusting hydraulic cylinder is arranged on the side, opposite to the rotary supporting plate, of the supporting vehicle body, and a stirring barrel is arranged between the upper portion of the angle adjusting hydraulic cylinder and the rotary supporting plate. The stirring barrel can be driven by the angle adjusting hydraulic cylinder to rotate along the pin shaft above the rotary supporting plate, so that the angle of the stirring barrel can be adjusted, on one hand, feeding and discharging operation during asphalt mixture modification can be facilitated, and on the other h