Automatic feeding and discharging assembly of full-automatic sheet polishing machine

The utility model provides an automatic feeding and discharging assembly of a full-automatic sheet polishing machine. The automatic feeding and discharging assembly comprises a first sliding rail, a first sliding block is arranged on the first sliding rail, a translation support is arranged on the first sliding block, and a first driving device is arranged between a feeding and discharging support and the translation support. A second sliding block is arranged on the translation support, a second sliding rail is arranged on the second sliding block, a second driving device is arranged between the translation support and the second sliding rail, a material taking frame is arranged at the bottom end of the second sliding rail, a material taking rotating shaft is arranged on the material taking frame, and a material suction assembly is arranged on the material taking rotating shaft. According to the scheme, horizontal reciprocating motion in the X-axis direction, lifting motion in the Z-axis direction and rotati