Scraper self-cleaning device

The invention discloses a scraping plate self-cleaning device which comprises a positioning assembly, a scraping plate, translation assemblies arranged at the two ends of the positioning assembly and comprising a first lead screw, a second lead screw and a third lead screw, and a switching assembly arranged at the top of the center of the positioning assembly and comprising a first scraping block and a second scraping block. The device can automatically clean the device, and when the scraper cleans the discharge hopper, the scraper cannot be blocked when parts of the device are cleaned, and the application range of the scraper cannot be reduced. 本发明公开了一种刮板自清洁装置，其中有定位组件，包括刮板，还有平移组件，设置于定位组件两端，包括一号丝杆、二号丝杆和三号丝杆，还有切换组件，设置于定位组件中心顶部，包括一号刮块和二号刮块。本发明装置能自动清洁自己，并且在刮板清洁卸料斗时，清洁自己的零件不会阻挡刮板、不会降低刮板使用范围。