Gas cap exchanges insert structure fast

Gas cap exchanges insert structure fast, it relates to mould technical field, it contains formwork plate, air flue, the exchange mold insert body, supporting shoe, stopper, spring, stopper draw -in groove, marble, spacing screw, spacing turnbuckle, formwork plate's upper portion be provided with the air flue, formwork plate's bottom is inlayed and is had the mold insert of the exchange body, the last end rotation that exchanges the mold insert body is equipped with spacing screw, the marble card is passed through in the marble draw -in groove of one side of stopper in the upper portion of spacing screw, the upper end of the exchange mold insert body be provided with the supporting shoe, be provided with the stopper in the supporting shoe, the bottom of stopper is passed through the spring and is connected with the supporting shoe, the inboard of stopper is provided with spacing turnbuckle, is provided with the marble draw -in groove on the spacing turnbuckle, the air flue be connected with the upper end of su