The invention discloses an automatic balancing and locking mold device for a lithium battery industry. The device comprises an upper mold plate, each end of the upper side surface plate of the upper mold plate is connected with a locking piece through two fixing bolts, an upper mold mounting plate is arranged between the locking pieces, a plurality of screw holes are formed in the upper mold plate, plungers are arranged in the screw holes in a one-to-one correspondence mode, springs are arranged in the plungers, and steel balls are connected to the positions, close to the upper mold mounting plate, of one ends of the springs. According to the device, the plurality of screw holes are formed in the upper mold plate, the plungers are arranged in the screw holes, the steel balls in the plungers are arranged to protrude out of the upper surface of the upper mold plate, so that surface contact between the upper mold mounting plate and the upper mold plate is changed into point contact, perpendicularity of the upper mold plate and a lower mold plate is guided and corrected through a guide column between the upper mold plate and the lower mold plate, the influence from equipment is avoided, the situation that the mold is jammed is avoided, the noise generated during mold closing is also reduced, and the service life of the mold is prolonged.