The present invention relates to the technical field of injection blow molding machines, and specifically relates to a movable bottom plug device for an injection blow molding mold, comprising a cross beam, a mold and a bottom plug. A side beam is fixed on the side surface of the cross beam, a first sliding connector is assembled at the bottom of the side beam, the first sliding connector comprises a connecting seat, one end of the connecting seat is slidably connected with the side beam through the cooperation of a first sliding block and a first linear slide rail, a connecting block is fixed at the other end of the connecting seat, an oil cylinder is fixed on one side of the connecting block, a flip connector for connecting the bottom plug is assembled on the other side of the connecting block, one end of the flip connector is connected with the output end of the oil cylinder, the other end of the flip connector is connected with the bottom plug, and a secondary displacement mechanism for driving the first sliding connector is assembled on the flip connector. The present invention has the advantages of small footprint, low use cost, large translation range, and is beneficial to dust removal operation.

Country Code: CN

Application Number: CN202111569348.9