Closed automatic collecting and feeding device for filter cake materials

The utility model relates to the technical field of chemical feeding equipment, in particular to a closed automatic collecting and feeding device for filter cake materials, which comprises a floor and a collecting and feeding component. The collecting and feeding assembly comprises a filter press, a collecting bin, an automatic turning plate, an arch breaking device, a buried scraper, a material conveying pipe, a manual valve and a reaction kettle; during use, the automatic turning plate and the manual valve are opened, materials are discharged into the collecting bin after being subjected to filter pressing by the filter press and enter the buried scraper after being crushed by the arch breaking device, the materials in the buried scraper enter the reaction kettle through the material conveying pipe for subsequent treatment, and the automatic turning plate and the manual valve are closed after the filter press finishes discharging. The negative pressure state in the reaction kettle is ensured, unorganized wa