Glass plate conveying apparatus

A glass plate conveying apparatus for separating glass plates from a stack of glass plates having one guard sheets and spacers inserted between the glass plates, comprising:

• a movable robot arm;
• first suction means for attracting glass plates, the first suction means being detachably mounted on the robot arm;
• electromagnetic means for attracting spacers made of magnetic material inserted between the glass plates, the electromagnetic means being adapted to be selectively detachably mounted on the robot arm;
• and
• means for making a vertical position of said electromagnetic means be adjustable,
• wherein the means for making the vertical position of the electromagnetic means be adjustable has a sliding block which is mounted on the robot arm slidably in the vertical direction and provided with a pair of vertical through holes;
• and
• wherein the electromagnetic means is provided with a pair of vertical rods adapted to be inserted downwardly into the vertical through holes of the sliding block and a toggle clamp by which the electromagnetic means is detachably mounted on the sliding block.