Material unloading device for mines

The invention discloses a material unloading device for mines. The device comprises a driving mechanism, a device tail, a conveying belt and a tensioning device for adjusting the tension degree of theconveying belt. The tensioning device is fixedly connected to one side of the driving mechanism, one side of the tensioning device is provided with a tensioning winch, the driving mechanism and the device tail are distributed on the two sides of the conveying belt respectively, and multiple steel wire rope racks are arranged between the driving mechanism and the device tail at equal intervals. The front and rear sides of the top ends of the steel wire rope racks are fixedly connected with steel wire ropes, lower flat idler racks are arranged between the two adjacent steel wire rope racks at equal intervals, a flat idler and a sweeping plate are fixedly connected to the lower end of each lower flat idler rack, and the sweeping plates are located on the upper sides of the flat idlers. According to the material unlo