Adjustable and movable screw conveyor

The utility model belongs to the technical field of conveyors, and particularly relates to an adjustable and movable spiral conveyor which solves the problems that in the prior art, movement can not be adjusted, and the fixing effect is poor, the adjustable and movable spiral conveyor comprises a feeder body and a bottom plate, and the two sides of the bottom plate are each rotationally provided with two symmetrically-arranged rotary discs; a fixing rod is fixedly connected to one side of the rotating disc through a screw, a gear is fixedly connected to the other end of the fixing rod through a screw, four symmetrically-arranged sliding rails are fixedly connected to the interior of the bottom plate through screws, and through arrangement of the rotating disc, a clamping block and other structures, the rotating disc is rotated to drive the gear to rotate; through meshing of a gear and a rack, the rack moves in a sliding rail, meanwhile, a moving plate and a moving wheel are driven to move downwards, when the