Fully automatic exposure machine

The invention relates to a fully automatic exposure machine comprising a frame provided with an upper frame module, a CCD device and a light source device in cooperation, wherein the upper frame module can be lifted and lowered; a lower frame module is disposed under the upper frame module; the lower frame module is provided with a lower frame moving device movable in the front-rear direction; theframe is further provided with a discharging device matching the lower frame module; the left and right ends of the discharging device matches a feeding conveying device and a discharging conveying device respectively; the discharging device comprises a discharging mounting frame arranged on the frame; the discharging mounting frame is provided with two central clamping blocks capable of synchronously moving close to or away from each other; the moving direction of the central clamping blocks is perpendicular to the conveying direction of the discharging conveying device; the inner sides of the two central clamping b