A high reliability mechanical automatic ceramic plate dry press device is provided, comprising: a frame, a lower pressure mould, an upper pressure mould, a mould sleeve, a lower pressure closure band, a return closure band and a discharging push plate; a lower pressure slot is provided inside of the lower pressure closure band; an end of the cross bar is provided with a lower pressure fixture block corresponding to the lower pressure slot; the lower pressure closure band is provided with teeth outside of a position of the lower pressure fixture block; the frame is provided with a slow pressure gear and a quick pressure gear corresponding to the teeth; the discharging push plate is located below the lower pressure closure band, and a toothed bar matched with teeth is provided at a top of the discharging push plate. The device can realize automatic continuous processing and high pressing efficiency.