Automatic feeding and discharging device for metal plates

The utility model discloses an automatic metal plate feeding and discharging device which comprises a mechanical arm, a suction cup frame, a bearing table and a positioning table, the suction cup frame is connected to the mechanical arm, the bearing table is located on one side of the suction cup frame and used for containing a metal plate, and the positioning table is located between the mechanical arm and the bearing table; the suction cup frame is connected with an installation rod, the installation rod is connected with a vacuum suction cup, and the top of the positioning table is fixedly connected with two positioning plates which are arranged in a right-angle mode. Through numerical control setting of the mechanical arm, the suction cup frame connected to the mechanical arm and the vacuum suction cup are driven to adsorb a metal plate, the metal plate is transferred to the grooving machine to be machined after adsorption, the metal plate is discharged after machining is completed, automatic feeding and