The utility model discloses a fixing device is used in copper pipe processing production, the on -line screen storage device comprises a base, the equal fixedly connected with fixed block in both sides of base, the positive fixedly connected with motor of fixed block, motor shaft's rear end through fixed piece extends to the inside fixedly connected with turning block of fixed block, and the inside swing joint of turning block has a movable block, and there is a movable rod at the back of movable block through a round pin axle swing joint, the front of movable rod all through the round pin axle respectively swing joint have one side fixedly connected with backup pad of fixed plate and connecting rod, fixed plate. The utility model discloses a cooperation that sets up motor, turning block,movable block, movable rod, fixed plate, connecting rod, guide block, fly leaf, connecting plate and clamp splice is used, makes fixing device is used in copper pipe processing production convenient to use, and the processing of copper pipe is produced does not need artifical manual pressing, labour saving and time saving, and can not influence the accuracy that the processing of copper pipe was produced, be favorable to people's use.