Porcelain blank automatic forming machine

The utility model discloses an automatic porcelain blank forming machine which comprises a fixing support and an adjusting assembly, a motor is installed at the bottom of the fixing support, the motor is in transmission connection with a mold through a transmission assembly, and through the mutual matching relation among an adjusting screw rod, a sliding block and a sliding rod, the sliding block drives a blade to move through a clamping sleeve. The blade is attached to the top of the mold, so that the height of the blade is adjusted, and the redundant parts of the ceramic blanks with different heights are cut; one end of the hand screw is clamped into the groove of the fixed shaft, so that the rotation angle of the blade is adjusted, and the blade is more labor-saving and longer in service life in the cutting process; the clamping sleeve is in threaded fit with the nut, the nut is rotationally fixed to the outer wall of the clamping sleeve, the clamping sleeve of the nut is pressed, the clamping groove is cl