Unpowered material automatic transfer device

The utility model discloses an unpowered material automatic transfer device which comprises a transfer frame body, a buffer material conveying device arranged in a downward inclined mode is installedon the transfer frame body, and a material receiving transfer device is arranged behind the buffer material conveying device. A lifting discharging device which vertically slides to stack the materials onto the material receiving and transferring device in a layered manner is correspondingly mounted at the discharging end of the buffer material transferring device; a bar is placed at the top end of the buffer material conveying device, can roll downwards in an inclined mode under the action of gravity and roll to the lifting discharging device from the discharging end of the buffer material conveying device, the lifting discharging device can be downwards slid by being loaded with the bar, and when the bar slides to the material receiving end of the material receiving transferring device,the bar falls onto the mat