Reverse side positioning structure for mobile power supply shell mold

The utility model is applicable to the technical field of mold positioning, and provides a reverse positioning structure for a mobile power supply shell mold, which comprises a lower mold with a mounting groove, a mold core is mounted in the lower mold, and a butt joint unit for guiding and positioning the mold core and the lower mold is arranged below the mold core in the lower mold. By arranging the butt joint unit and the fixing unit, under the guiding action of the conical structure at the top end of the positioning block and the horn-shaped structure in the positioning sleeve, the mold core is accurately positioned in the mounting groove, the rack moves to drive the gear to rotate by 90 degrees, and the screw drives the locking block to rotate by 90 degrees and move downwards; by means of mutual cooperation of the parts, rapid reverse positioning and locking and fixing of the mold core and the lower mold are achieved, and the precise installation efficiency of the mold core is greatly improved. 本实用新型适用于模