Quick change device for robot tooling

An electric permanent magnet on a main disc is inserted into an insertion hole in a tool disc until the lower end face of the main disc makes contact with the upper end face of the tool disc, the electric permanent magnet is inserted into the insertion hole, a pin shaft is inserted into the corresponding insertion hole, and the lower end face of the electric permanent magnet is attracted to the bottom plane of the insertion hole in the tool disc; and the tool plate is fixedly connected with the main plate. And the electric permanent magnet is electrified and demagnetized, so that after the electric permanent magnet is electrified, the magnetic force disappears, the electric permanent magnet can be pulled out from the jack at the moment, and the separation of the main disc and the tool disc is realized. The main disc and the tool disc are combined or separated through the electric permanent magnet, no locking device needs to be additionally arranged, safety and reliability are achieved, the structure is simple