Limiting stop iron device for extension of segmented mold of mechanical vulcanizing machine

The utility model relates to a segmented mold extension limiting stop iron device of a mechanical vulcanizing machine, and belongs to the field of tire vulcanizing devices. A segmented mold is installed below the upper hot plate and connected with the lower end of a segmented mold connecting rod of a segmented mold lifting water cylinder through a segmented block, a segmented block connecting rod is installed on the segmented mold connecting rod, and stop iron with a boss in the circumferential direction is installed above the segmented block connecting rod. An adjustable proximity switch support with a lifting guide groove is installed on one side of the movable block connecting rod, and an extension limiting proximity switch is installed in the lifting guide groove. According to the utility model, the condition that the segmented block does not stretch out in place can be automatically detected when the segmented mold acts abnormally, and a vulcanizing machine does not execute mold closing action, so that t