Loosening device for trough of asphalt paver

The invention relates to an asphalt paver trough loosening device, and belongs to the technical field of road construction, the asphalt paver trough loosening device comprises a trough arranged beside an ironing plate, a distribution screw, a scraping assembly and a swing assembly, the trough is provided with a discharge port, and the top surface height of the discharge port is flush with the bottom surface height of the ironing plate; the material distributing spiral is rotatably arranged in the material groove, the central axis of the material distributing spiral is parallel to the axis of the discharging port, the material scraping assembly comprises a scraper, and the scraper is arranged on the surface of the side wall of the discharging port end of the material groove in a sliding mode and used for eliminating coagulated blocks on the surface of the side wall of the discharging port end of the material groove. The swinging assembly is used for controlling the scraper to abut against the side wall of the